5852 lines
195 KiB
C
5852 lines
195 KiB
C
/* SPDX-License-Identifier: LGPL-2.1-or-later */
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/***
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Copyright © 2012 Holger Hans Peter Freyther
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***/
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#include <errno.h>
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#include <fcntl.h>
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#include <linux/fs.h>
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#include <linux/oom.h>
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#if HAVE_SECCOMP
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#include <seccomp.h>
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#endif
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#include <sched.h>
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#include <sys/resource.h>
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#include "sd-messages.h"
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#include "af-list.h"
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#include "alloc-util.h"
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#include "all-units.h"
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#include "bpf-firewall.h"
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#include "bus-error.h"
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#include "bus-internal.h"
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#include "bus-util.h"
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#include "cap-list.h"
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#include "capability-util.h"
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#include "cgroup-setup.h"
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#include "conf-parser.h"
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#include "core-varlink.h"
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#include "cpu-set-util.h"
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#include "env-util.h"
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#include "errno-list.h"
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#include "escape.h"
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#include "fd-util.h"
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#include "fileio.h"
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#include "fs-util.h"
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#include "hexdecoct.h"
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#include "io-util.h"
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#include "ioprio.h"
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#include "ip-protocol-list.h"
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#include "journal-file.h"
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#include "limits-util.h"
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#include "load-fragment.h"
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#include "log.h"
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#include "mountpoint-util.h"
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#include "nulstr-util.h"
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#include "parse-util.h"
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#include "path-util.h"
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#include "process-util.h"
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#if HAVE_SECCOMP
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#include "seccomp-util.h"
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#endif
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#include "securebits-util.h"
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#include "signal-util.h"
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#include "socket-netlink.h"
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#include "stat-util.h"
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#include "string-util.h"
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#include "strv.h"
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#include "syslog-util.h"
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#include "time-util.h"
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#include "unit-name.h"
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#include "unit-printf.h"
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#include "user-util.h"
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#include "utf8.h"
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#include "web-util.h"
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static int parse_socket_protocol(const char *s) {
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int r;
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r = parse_ip_protocol(s);
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if (r < 0)
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return r;
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if (!IN_SET(r, IPPROTO_UDPLITE, IPPROTO_SCTP))
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return -EPROTONOSUPPORT;
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return r;
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}
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int parse_crash_chvt(const char *value, int *data) {
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int b;
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if (safe_atoi(value, data) >= 0)
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return 0;
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b = parse_boolean(value);
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if (b < 0)
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return b;
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if (b > 0)
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*data = 0; /* switch to where kmsg goes */
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else
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*data = -1; /* turn off switching */
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return 0;
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}
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int parse_confirm_spawn(const char *value, char **console) {
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char *s;
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int r;
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r = value ? parse_boolean(value) : 1;
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if (r == 0) {
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*console = NULL;
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return 0;
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} else if (r > 0) /* on with default tty */
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s = strdup("/dev/console");
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else if (is_path(value)) /* on with fully qualified path */
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s = strdup(value);
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else /* on with only a tty file name, not a fully qualified path */
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s = path_join("/dev/", value);
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if (!s)
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return -ENOMEM;
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*console = s;
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return 0;
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}
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DEFINE_CONFIG_PARSE(config_parse_socket_protocol, parse_socket_protocol, "Failed to parse socket protocol");
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DEFINE_CONFIG_PARSE(config_parse_exec_secure_bits, secure_bits_from_string, "Failed to parse secure bits");
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DEFINE_CONFIG_PARSE_ENUM(config_parse_collect_mode, collect_mode, CollectMode, "Failed to parse garbage collection mode");
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DEFINE_CONFIG_PARSE_ENUM(config_parse_device_policy, cgroup_device_policy, CGroupDevicePolicy, "Failed to parse device policy");
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DEFINE_CONFIG_PARSE_ENUM(config_parse_exec_keyring_mode, exec_keyring_mode, ExecKeyringMode, "Failed to parse keyring mode");
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DEFINE_CONFIG_PARSE_ENUM(config_parse_protect_proc, protect_proc, ProtectProc, "Failed to parse /proc/ protection mode");
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DEFINE_CONFIG_PARSE_ENUM(config_parse_proc_subset, proc_subset, ProcSubset, "Failed to parse /proc/ subset mode");
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DEFINE_CONFIG_PARSE_ENUM(config_parse_exec_utmp_mode, exec_utmp_mode, ExecUtmpMode, "Failed to parse utmp mode");
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DEFINE_CONFIG_PARSE_ENUM(config_parse_job_mode, job_mode, JobMode, "Failed to parse job mode");
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DEFINE_CONFIG_PARSE_ENUM(config_parse_notify_access, notify_access, NotifyAccess, "Failed to parse notify access specifier");
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DEFINE_CONFIG_PARSE_ENUM(config_parse_protect_home, protect_home, ProtectHome, "Failed to parse protect home value");
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DEFINE_CONFIG_PARSE_ENUM(config_parse_protect_system, protect_system, ProtectSystem, "Failed to parse protect system value");
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DEFINE_CONFIG_PARSE_ENUM(config_parse_runtime_preserve_mode, exec_preserve_mode, ExecPreserveMode, "Failed to parse runtime directory preserve mode");
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DEFINE_CONFIG_PARSE_ENUM(config_parse_service_type, service_type, ServiceType, "Failed to parse service type");
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DEFINE_CONFIG_PARSE_ENUM(config_parse_service_restart, service_restart, ServiceRestart, "Failed to parse service restart specifier");
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DEFINE_CONFIG_PARSE_ENUM(config_parse_service_timeout_failure_mode, service_timeout_failure_mode, ServiceTimeoutFailureMode, "Failed to parse timeout failure mode");
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DEFINE_CONFIG_PARSE_ENUM(config_parse_socket_bind, socket_address_bind_ipv6_only_or_bool, SocketAddressBindIPv6Only, "Failed to parse bind IPv6 only value");
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DEFINE_CONFIG_PARSE_ENUM(config_parse_oom_policy, oom_policy, OOMPolicy, "Failed to parse OOM policy");
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DEFINE_CONFIG_PARSE_ENUM_WITH_DEFAULT(config_parse_ip_tos, ip_tos, int, -1, "Failed to parse IP TOS value");
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DEFINE_CONFIG_PARSE_PTR(config_parse_blockio_weight, cg_blkio_weight_parse, uint64_t, "Invalid block IO weight");
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DEFINE_CONFIG_PARSE_PTR(config_parse_cg_weight, cg_weight_parse, uint64_t, "Invalid weight");
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DEFINE_CONFIG_PARSE_PTR(config_parse_cpu_shares, cg_cpu_shares_parse, uint64_t, "Invalid CPU shares");
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DEFINE_CONFIG_PARSE_PTR(config_parse_exec_mount_flags, mount_propagation_flags_from_string, unsigned long, "Failed to parse mount flag");
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DEFINE_CONFIG_PARSE_ENUM_WITH_DEFAULT(config_parse_numa_policy, mpol, int, -1, "Invalid NUMA policy type");
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DEFINE_CONFIG_PARSE_ENUM(config_parse_status_unit_format, status_unit_format, StatusUnitFormat, "Failed to parse status unit format");
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DEFINE_CONFIG_PARSE_ENUM_FULL(config_parse_socket_timestamping, socket_timestamping_from_string_harder, SocketTimestamping, "Failed to parse timestamping precision");
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int config_parse_unit_deps(
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const char *unit,
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const char *filename,
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unsigned line,
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const char *section,
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unsigned section_line,
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const char *lvalue,
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int ltype,
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const char *rvalue,
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void *data,
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void *userdata) {
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UnitDependency d = ltype;
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Unit *u = userdata;
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assert(filename);
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assert(lvalue);
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assert(rvalue);
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for (const char *p = rvalue;;) {
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_cleanup_free_ char *word = NULL, *k = NULL;
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int r;
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r = extract_first_word(&p, &word, NULL, EXTRACT_RETAIN_ESCAPE);
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if (r == 0)
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return 0;
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if (r == -ENOMEM)
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return log_oom();
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if (r < 0) {
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log_syntax(unit, LOG_WARNING, filename, line, r, "Invalid syntax, ignoring: %s", rvalue);
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return 0;
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}
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r = unit_name_printf(u, word, &k);
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if (r < 0) {
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log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to resolve unit specifiers in '%s', ignoring: %m", word);
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continue;
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}
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r = unit_add_dependency_by_name(u, d, k, true, UNIT_DEPENDENCY_FILE);
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if (r < 0)
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log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to add dependency on %s, ignoring: %m", k);
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}
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}
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int config_parse_obsolete_unit_deps(
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const char *unit,
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const char *filename,
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unsigned line,
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const char *section,
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unsigned section_line,
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const char *lvalue,
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int ltype,
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const char *rvalue,
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void *data,
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void *userdata) {
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log_syntax(unit, LOG_WARNING, filename, line, 0,
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"Unit dependency type %s= is obsolete, replacing by %s=, please update your unit file", lvalue, unit_dependency_to_string(ltype));
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return config_parse_unit_deps(unit, filename, line, section, section_line, lvalue, ltype, rvalue, data, userdata);
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}
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int config_parse_unit_string_printf(
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const char *unit,
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const char *filename,
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unsigned line,
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const char *section,
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unsigned section_line,
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const char *lvalue,
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int ltype,
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const char *rvalue,
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void *data,
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void *userdata) {
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_cleanup_free_ char *k = NULL;
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const Unit *u = userdata;
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int r;
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assert(filename);
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assert(lvalue);
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assert(rvalue);
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assert(u);
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r = unit_full_printf(u, rvalue, &k);
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if (r < 0) {
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log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to resolve unit specifiers in '%s', ignoring: %m", rvalue);
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return 0;
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}
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return config_parse_string(unit, filename, line, section, section_line, lvalue, ltype, k, data, userdata);
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}
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int config_parse_unit_strv_printf(
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const char *unit,
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const char *filename,
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unsigned line,
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const char *section,
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unsigned section_line,
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const char *lvalue,
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int ltype,
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const char *rvalue,
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void *data,
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void *userdata) {
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const Unit *u = userdata;
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_cleanup_free_ char *k = NULL;
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int r;
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assert(filename);
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assert(lvalue);
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assert(rvalue);
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assert(u);
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r = unit_full_printf(u, rvalue, &k);
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if (r < 0) {
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log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to resolve unit specifiers in '%s', ignoring: %m", rvalue);
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return 0;
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}
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return config_parse_strv(unit, filename, line, section, section_line, lvalue, ltype, k, data, userdata);
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}
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int config_parse_unit_path_printf(
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const char *unit,
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const char *filename,
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unsigned line,
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const char *section,
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unsigned section_line,
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const char *lvalue,
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int ltype,
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const char *rvalue,
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void *data,
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void *userdata) {
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_cleanup_free_ char *k = NULL;
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const Unit *u = userdata;
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int r;
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bool fatal = ltype;
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assert(filename);
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assert(lvalue);
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assert(rvalue);
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assert(u);
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/* Let's not bother with anything that is too long */
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if (strlen(rvalue) >= PATH_MAX) {
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log_syntax(unit, fatal ? LOG_ERR : LOG_WARNING, filename, line, 0,
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"%s value too long%s.",
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lvalue, fatal ? "" : ", ignoring");
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return fatal ? -ENAMETOOLONG : 0;
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}
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r = unit_full_printf(u, rvalue, &k);
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if (r < 0) {
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log_syntax(unit, fatal ? LOG_ERR : LOG_WARNING, filename, line, r,
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"Failed to resolve unit specifiers in '%s'%s: %m",
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rvalue, fatal ? "" : ", ignoring");
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return fatal ? -ENOEXEC : 0;
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}
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return config_parse_path(unit, filename, line, section, section_line, lvalue, ltype, k, data, userdata);
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}
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int config_parse_unit_path_strv_printf(
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const char *unit,
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const char *filename,
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unsigned line,
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const char *section,
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unsigned section_line,
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const char *lvalue,
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int ltype,
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const char *rvalue,
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void *data,
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void *userdata) {
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char ***x = data;
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const Unit *u = userdata;
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int r;
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assert(filename);
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assert(lvalue);
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assert(rvalue);
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assert(u);
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if (isempty(rvalue)) {
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*x = strv_free(*x);
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return 0;
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}
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for (const char *p = rvalue;;) {
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_cleanup_free_ char *word = NULL, *k = NULL;
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r = extract_first_word(&p, &word, NULL, EXTRACT_UNQUOTE);
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if (r == 0)
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return 0;
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if (r == -ENOMEM)
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return log_oom();
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if (r < 0) {
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log_syntax(unit, LOG_WARNING, filename, line, r,
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"Invalid syntax, ignoring: %s", rvalue);
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return 0;
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}
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r = unit_full_printf(u, word, &k);
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if (r < 0) {
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log_syntax(unit, LOG_WARNING, filename, line, r,
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"Failed to resolve unit specifiers in '%s', ignoring: %m", word);
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return 0;
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}
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r = path_simplify_and_warn(k, PATH_CHECK_ABSOLUTE, unit, filename, line, lvalue);
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if (r < 0)
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return 0;
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r = strv_consume(x, TAKE_PTR(k));
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if (r < 0)
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return log_oom();
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}
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}
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static int patch_var_run(
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const char *unit,
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const char *filename,
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unsigned line,
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const char *lvalue,
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char **path) {
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const char *e;
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char *z;
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e = path_startswith(*path, "/var/run/");
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if (!e)
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return 0;
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z = path_join("/run/", e);
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if (!z)
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return log_oom();
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log_syntax(unit, LOG_NOTICE, filename, line, 0,
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"%s= references a path below legacy directory /var/run/, updating %s → %s; "
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"please update the unit file accordingly.", lvalue, *path, z);
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free_and_replace(*path, z);
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return 1;
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}
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int config_parse_socket_listen(
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const char *unit,
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const char *filename,
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unsigned line,
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const char *section,
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unsigned section_line,
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const char *lvalue,
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int ltype,
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const char *rvalue,
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void *data,
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void *userdata) {
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_cleanup_free_ SocketPort *p = NULL;
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SocketPort *tail;
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Socket *s;
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int r;
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assert(filename);
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assert(lvalue);
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assert(rvalue);
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assert(data);
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s = SOCKET(data);
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if (isempty(rvalue)) {
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/* An empty assignment removes all ports */
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socket_free_ports(s);
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return 0;
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}
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p = new0(SocketPort, 1);
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if (!p)
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return log_oom();
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if (ltype != SOCKET_SOCKET) {
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_cleanup_free_ char *k = NULL;
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r = unit_full_printf(UNIT(s), rvalue, &k);
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if (r < 0) {
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log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to resolve unit specifiers in '%s', ignoring: %m", rvalue);
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return 0;
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}
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r = path_simplify_and_warn(k, PATH_CHECK_ABSOLUTE, unit, filename, line, lvalue);
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if (r < 0)
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return 0;
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if (ltype == SOCKET_FIFO) {
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r = patch_var_run(unit, filename, line, lvalue, &k);
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if (r < 0)
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return r;
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}
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free_and_replace(p->path, k);
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p->type = ltype;
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} else if (streq(lvalue, "ListenNetlink")) {
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_cleanup_free_ char *k = NULL;
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r = unit_full_printf(UNIT(s), rvalue, &k);
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if (r < 0) {
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log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to resolve unit specifiers in '%s', ignoring: %m", rvalue);
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return 0;
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}
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r = socket_address_parse_netlink(&p->address, k);
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if (r < 0) {
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log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to parse address value in '%s', ignoring: %m", k);
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return 0;
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}
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p->type = SOCKET_SOCKET;
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} else {
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_cleanup_free_ char *k = NULL;
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r = unit_full_printf(UNIT(s), rvalue, &k);
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if (r < 0) {
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log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to resolve unit specifiers in '%s', ignoring: %m", rvalue);
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return 0;
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}
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if (k[0] == '/') { /* Only for AF_UNIX file system sockets… */
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r = patch_var_run(unit, filename, line, lvalue, &k);
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if (r < 0)
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return r;
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}
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r = socket_address_parse_and_warn(&p->address, k);
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if (r < 0) {
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if (r != -EAFNOSUPPORT)
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log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to parse address value in '%s', ignoring: %m", k);
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return 0;
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}
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if (streq(lvalue, "ListenStream"))
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p->address.type = SOCK_STREAM;
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else if (streq(lvalue, "ListenDatagram"))
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p->address.type = SOCK_DGRAM;
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else {
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assert(streq(lvalue, "ListenSequentialPacket"));
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p->address.type = SOCK_SEQPACKET;
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}
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if (socket_address_family(&p->address) != AF_LOCAL && p->address.type == SOCK_SEQPACKET) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, 0, "Address family not supported, ignoring: %s", rvalue);
|
|
return 0;
|
|
}
|
|
|
|
p->type = SOCKET_SOCKET;
|
|
}
|
|
|
|
p->fd = -1;
|
|
p->auxiliary_fds = NULL;
|
|
p->n_auxiliary_fds = 0;
|
|
p->socket = s;
|
|
|
|
LIST_FIND_TAIL(port, s->ports, tail);
|
|
LIST_INSERT_AFTER(port, s->ports, tail, p);
|
|
|
|
p = NULL;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int config_parse_exec_nice(
|
|
const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
ExecContext *c = data;
|
|
int priority, r;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
assert(data);
|
|
|
|
if (isempty(rvalue)) {
|
|
c->nice_set = false;
|
|
return 0;
|
|
}
|
|
|
|
r = parse_nice(rvalue, &priority);
|
|
if (r < 0) {
|
|
if (r == -ERANGE)
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Nice priority out of range, ignoring: %s", rvalue);
|
|
else
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to parse nice priority '%s', ignoring: %m", rvalue);
|
|
return 0;
|
|
}
|
|
|
|
c->nice = priority;
|
|
c->nice_set = true;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int config_parse_exec_oom_score_adjust(
|
|
const char* unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
ExecContext *c = data;
|
|
int oa, r;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
assert(data);
|
|
|
|
if (isempty(rvalue)) {
|
|
c->oom_score_adjust_set = false;
|
|
return 0;
|
|
}
|
|
|
|
r = parse_oom_score_adjust(rvalue, &oa);
|
|
if (r < 0) {
|
|
if (r == -ERANGE)
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "OOM score adjust value out of range, ignoring: %s", rvalue);
|
|
else
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to parse the OOM score adjust value '%s', ignoring: %m", rvalue);
|
|
return 0;
|
|
}
|
|
|
|
c->oom_score_adjust = oa;
|
|
c->oom_score_adjust_set = true;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int config_parse_exec_coredump_filter(
|
|
const char* unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
ExecContext *c = data;
|
|
int r;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
assert(data);
|
|
|
|
if (isempty(rvalue)) {
|
|
c->coredump_filter = 0;
|
|
c->coredump_filter_set = false;
|
|
return 0;
|
|
}
|
|
|
|
uint64_t f;
|
|
r = coredump_filter_mask_from_string(rvalue, &f);
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r,
|
|
"Failed to parse the CoredumpFilter=%s, ignoring: %m", rvalue);
|
|
return 0;
|
|
}
|
|
|
|
c->coredump_filter |= f;
|
|
c->oom_score_adjust_set = true;
|
|
return 0;
|
|
}
|
|
|
|
int config_parse_kill_mode(
|
|
const char* unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
KillMode *k = data, m;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
assert(data);
|
|
|
|
if (isempty(rvalue)) {
|
|
*k = KILL_CONTROL_GROUP;
|
|
return 0;
|
|
}
|
|
|
|
m = kill_mode_from_string(rvalue);
|
|
if (m < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, 0,
|
|
"Failed to parse kill mode specification, ignoring: %s", rvalue);
|
|
return 0;
|
|
}
|
|
|
|
if (m == KILL_NONE)
|
|
log_syntax(unit, LOG_WARNING, filename, line, 0,
|
|
"Unit configured to use KillMode=none. "
|
|
"This is unsafe, as it disables systemd's process lifecycle management for the service. "
|
|
"Please update your service to use a safer KillMode=, such as 'mixed' or 'control-group'. "
|
|
"Support for KillMode=none is deprecated and will eventually be removed.");
|
|
|
|
*k = m;
|
|
return 0;
|
|
}
|
|
|
|
int config_parse_exec(
|
|
const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
ExecCommand **e = data;
|
|
const Unit *u = userdata;
|
|
const char *p;
|
|
bool semicolon;
|
|
int r;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
assert(e);
|
|
|
|
e += ltype;
|
|
|
|
if (isempty(rvalue)) {
|
|
/* An empty assignment resets the list */
|
|
*e = exec_command_free_list(*e);
|
|
return 0;
|
|
}
|
|
|
|
p = rvalue;
|
|
do {
|
|
_cleanup_free_ char *path = NULL, *firstword = NULL;
|
|
ExecCommandFlags flags = 0;
|
|
bool ignore = false, separate_argv0 = false;
|
|
_cleanup_free_ ExecCommand *nce = NULL;
|
|
_cleanup_strv_free_ char **n = NULL;
|
|
size_t nlen = 0, nbufsize = 0;
|
|
const char *f;
|
|
|
|
semicolon = false;
|
|
|
|
r = extract_first_word_and_warn(&p, &firstword, NULL, EXTRACT_UNQUOTE|EXTRACT_CUNESCAPE, unit, filename, line, rvalue);
|
|
if (r <= 0)
|
|
return 0;
|
|
|
|
/* A lone ";" is a separator. Let's make sure we don't treat it as an executable name. */
|
|
if (streq(firstword, ";")) {
|
|
semicolon = true;
|
|
continue;
|
|
}
|
|
|
|
f = firstword;
|
|
for (;;) {
|
|
/* We accept an absolute path as first argument. If it's prefixed with - and the path doesn't
|
|
* exist, we ignore it instead of erroring out; if it's prefixed with @, we allow overriding of
|
|
* argv[0]; if it's prefixed with :, we will not do environment variable substitution;
|
|
* if it's prefixed with +, it will be run with full privileges and no sandboxing; if
|
|
* it's prefixed with '!' we apply sandboxing, but do not change user/group credentials; if
|
|
* it's prefixed with '!!', then we apply user/group credentials if the kernel supports ambient
|
|
* capabilities -- if it doesn't we don't apply the credentials themselves, but do apply most
|
|
* other sandboxing, with some special exceptions for changing UID.
|
|
*
|
|
* The idea is that '!!' may be used to write services that can take benefit of systemd's
|
|
* UID/GID dropping if the kernel supports ambient creds, but provide an automatic fallback to
|
|
* privilege dropping within the daemon if the kernel does not offer that. */
|
|
|
|
if (*f == '-' && !(flags & EXEC_COMMAND_IGNORE_FAILURE)) {
|
|
flags |= EXEC_COMMAND_IGNORE_FAILURE;
|
|
ignore = true;
|
|
} else if (*f == '@' && !separate_argv0)
|
|
separate_argv0 = true;
|
|
else if (*f == ':' && !(flags & EXEC_COMMAND_NO_ENV_EXPAND))
|
|
flags |= EXEC_COMMAND_NO_ENV_EXPAND;
|
|
else if (*f == '+' && !(flags & (EXEC_COMMAND_FULLY_PRIVILEGED|EXEC_COMMAND_NO_SETUID|EXEC_COMMAND_AMBIENT_MAGIC)))
|
|
flags |= EXEC_COMMAND_FULLY_PRIVILEGED;
|
|
else if (*f == '!' && !(flags & (EXEC_COMMAND_FULLY_PRIVILEGED|EXEC_COMMAND_NO_SETUID|EXEC_COMMAND_AMBIENT_MAGIC)))
|
|
flags |= EXEC_COMMAND_NO_SETUID;
|
|
else if (*f == '!' && !(flags & (EXEC_COMMAND_FULLY_PRIVILEGED|EXEC_COMMAND_AMBIENT_MAGIC))) {
|
|
flags &= ~EXEC_COMMAND_NO_SETUID;
|
|
flags |= EXEC_COMMAND_AMBIENT_MAGIC;
|
|
} else
|
|
break;
|
|
f++;
|
|
}
|
|
|
|
r = unit_full_printf(u, f, &path);
|
|
if (r < 0) {
|
|
log_syntax(unit, ignore ? LOG_WARNING : LOG_ERR, filename, line, r,
|
|
"Failed to resolve unit specifiers in '%s'%s: %m",
|
|
f, ignore ? ", ignoring" : "");
|
|
return ignore ? 0 : -ENOEXEC;
|
|
}
|
|
|
|
if (isempty(path)) {
|
|
/* First word is either "-" or "@" with no command. */
|
|
log_syntax(unit, ignore ? LOG_WARNING : LOG_ERR, filename, line, 0,
|
|
"Empty path in command line%s: '%s'",
|
|
ignore ? ", ignoring" : "", rvalue);
|
|
return ignore ? 0 : -ENOEXEC;
|
|
}
|
|
if (!string_is_safe(path)) {
|
|
log_syntax(unit, ignore ? LOG_WARNING : LOG_ERR, filename, line, 0,
|
|
"Executable name contains special characters%s: %s",
|
|
ignore ? ", ignoring" : "", path);
|
|
return ignore ? 0 : -ENOEXEC;
|
|
}
|
|
if (endswith(path, "/")) {
|
|
log_syntax(unit, ignore ? LOG_WARNING : LOG_ERR, filename, line, 0,
|
|
"Executable path specifies a directory%s: %s",
|
|
ignore ? ", ignoring" : "", path);
|
|
return ignore ? 0 : -ENOEXEC;
|
|
}
|
|
|
|
if (!path_is_absolute(path) && !filename_is_valid(path)) {
|
|
log_syntax(unit, ignore ? LOG_WARNING : LOG_ERR, filename, line, 0,
|
|
"Neither a valid executable name nor an absolute path%s: %s",
|
|
ignore ? ", ignoring" : "", path);
|
|
return ignore ? 0 : -ENOEXEC;
|
|
}
|
|
|
|
if (!separate_argv0) {
|
|
char *w = NULL;
|
|
|
|
if (!GREEDY_REALLOC(n, nbufsize, nlen + 2))
|
|
return log_oom();
|
|
|
|
w = strdup(path);
|
|
if (!w)
|
|
return log_oom();
|
|
n[nlen++] = w;
|
|
n[nlen] = NULL;
|
|
}
|
|
|
|
path_simplify(path, false);
|
|
|
|
while (!isempty(p)) {
|
|
_cleanup_free_ char *word = NULL, *resolved = NULL;
|
|
|
|
/* Check explicitly for an unquoted semicolon as
|
|
* command separator token. */
|
|
if (p[0] == ';' && (!p[1] || strchr(WHITESPACE, p[1]))) {
|
|
p++;
|
|
p += strspn(p, WHITESPACE);
|
|
semicolon = true;
|
|
break;
|
|
}
|
|
|
|
/* Check for \; explicitly, to not confuse it with \\; or "\;" or "\\;" etc.
|
|
* extract_first_word() would return the same for all of those. */
|
|
if (p[0] == '\\' && p[1] == ';' && (!p[2] || strchr(WHITESPACE, p[2]))) {
|
|
char *w;
|
|
|
|
p += 2;
|
|
p += strspn(p, WHITESPACE);
|
|
|
|
if (!GREEDY_REALLOC(n, nbufsize, nlen + 2))
|
|
return log_oom();
|
|
|
|
w = strdup(";");
|
|
if (!w)
|
|
return log_oom();
|
|
n[nlen++] = w;
|
|
n[nlen] = NULL;
|
|
continue;
|
|
}
|
|
|
|
r = extract_first_word_and_warn(&p, &word, NULL, EXTRACT_UNQUOTE|EXTRACT_CUNESCAPE, unit, filename, line, rvalue);
|
|
if (r == 0)
|
|
break;
|
|
if (r < 0)
|
|
return ignore ? 0 : -ENOEXEC;
|
|
|
|
r = unit_full_printf(u, word, &resolved);
|
|
if (r < 0) {
|
|
log_syntax(unit, ignore ? LOG_WARNING : LOG_ERR, filename, line, r,
|
|
"Failed to resolve unit specifiers in %s%s: %m",
|
|
word, ignore ? ", ignoring" : "");
|
|
return ignore ? 0 : -ENOEXEC;
|
|
}
|
|
|
|
if (!GREEDY_REALLOC(n, nbufsize, nlen + 2))
|
|
return log_oom();
|
|
|
|
n[nlen++] = TAKE_PTR(resolved);
|
|
n[nlen] = NULL;
|
|
}
|
|
|
|
if (!n || !n[0]) {
|
|
log_syntax(unit, ignore ? LOG_WARNING : LOG_ERR, filename, line, 0,
|
|
"Empty executable name or zeroeth argument%s: %s",
|
|
ignore ? ", ignoring" : "", rvalue);
|
|
return ignore ? 0 : -ENOEXEC;
|
|
}
|
|
|
|
nce = new0(ExecCommand, 1);
|
|
if (!nce)
|
|
return log_oom();
|
|
|
|
nce->argv = TAKE_PTR(n);
|
|
nce->path = TAKE_PTR(path);
|
|
nce->flags = flags;
|
|
|
|
exec_command_append_list(e, nce);
|
|
|
|
/* Do not _cleanup_free_ these. */
|
|
nce = NULL;
|
|
|
|
rvalue = p;
|
|
} while (semicolon);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int config_parse_socket_bindtodevice(
|
|
const char* unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
Socket *s = data;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
assert(data);
|
|
|
|
if (isempty(rvalue) || streq(rvalue, "*")) {
|
|
s->bind_to_device = mfree(s->bind_to_device);
|
|
return 0;
|
|
}
|
|
|
|
if (!ifname_valid(rvalue)) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, 0, "Invalid interface name, ignoring: %s", rvalue);
|
|
return 0;
|
|
}
|
|
|
|
if (free_and_strdup(&s->bind_to_device, rvalue) < 0)
|
|
return log_oom();
|
|
|
|
return 0;
|
|
}
|
|
|
|
int config_parse_exec_input(
|
|
const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
ExecContext *c = data;
|
|
const Unit *u = userdata;
|
|
const char *n;
|
|
ExecInput ei;
|
|
int r;
|
|
|
|
assert(data);
|
|
assert(filename);
|
|
assert(line);
|
|
assert(rvalue);
|
|
|
|
n = startswith(rvalue, "fd:");
|
|
if (n) {
|
|
_cleanup_free_ char *resolved = NULL;
|
|
|
|
r = unit_full_printf(u, n, &resolved);
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to resolve unit specifiers in '%s', ignoring: %m", n);
|
|
return 0;
|
|
}
|
|
|
|
if (isempty(resolved))
|
|
resolved = mfree(resolved);
|
|
else if (!fdname_is_valid(resolved)) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, 0, "Invalid file descriptor name, ignoring: %s", resolved);
|
|
return 0;
|
|
}
|
|
|
|
free_and_replace(c->stdio_fdname[STDIN_FILENO], resolved);
|
|
|
|
ei = EXEC_INPUT_NAMED_FD;
|
|
|
|
} else if ((n = startswith(rvalue, "file:"))) {
|
|
_cleanup_free_ char *resolved = NULL;
|
|
|
|
r = unit_full_printf(u, n, &resolved);
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to resolve unit specifiers in '%s', ignoring: %m", n);
|
|
return 0;
|
|
}
|
|
|
|
r = path_simplify_and_warn(resolved, PATH_CHECK_ABSOLUTE | PATH_CHECK_FATAL, unit, filename, line, lvalue);
|
|
if (r < 0)
|
|
return 0;
|
|
|
|
free_and_replace(c->stdio_file[STDIN_FILENO], resolved);
|
|
|
|
ei = EXEC_INPUT_FILE;
|
|
|
|
} else {
|
|
ei = exec_input_from_string(rvalue);
|
|
if (ei < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, 0, "Failed to parse input specifier, ignoring: %s", rvalue);
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
c->std_input = ei;
|
|
return 0;
|
|
}
|
|
|
|
int config_parse_exec_input_text(
|
|
const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
_cleanup_free_ char *unescaped = NULL, *resolved = NULL;
|
|
ExecContext *c = data;
|
|
const Unit *u = userdata;
|
|
size_t sz;
|
|
void *p;
|
|
int r;
|
|
|
|
assert(data);
|
|
assert(filename);
|
|
assert(line);
|
|
assert(rvalue);
|
|
|
|
if (isempty(rvalue)) {
|
|
/* Reset if the empty string is assigned */
|
|
c->stdin_data = mfree(c->stdin_data);
|
|
c->stdin_data_size = 0;
|
|
return 0;
|
|
}
|
|
|
|
r = cunescape(rvalue, 0, &unescaped);
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r,
|
|
"Failed to decode C escaped text '%s', ignoring: %m", rvalue);
|
|
return 0;
|
|
}
|
|
|
|
r = unit_full_printf(u, unescaped, &resolved);
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r,
|
|
"Failed to resolve unit specifiers in '%s', ignoring: %m", unescaped);
|
|
return 0;
|
|
}
|
|
|
|
sz = strlen(resolved);
|
|
if (c->stdin_data_size + sz + 1 < c->stdin_data_size || /* check for overflow */
|
|
c->stdin_data_size + sz + 1 > EXEC_STDIN_DATA_MAX) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, 0,
|
|
"Standard input data too large (%zu), maximum of %zu permitted, ignoring.",
|
|
c->stdin_data_size + sz, (size_t) EXEC_STDIN_DATA_MAX);
|
|
return 0;
|
|
}
|
|
|
|
p = realloc(c->stdin_data, c->stdin_data_size + sz + 1);
|
|
if (!p)
|
|
return log_oom();
|
|
|
|
*((char*) mempcpy((char*) p + c->stdin_data_size, resolved, sz)) = '\n';
|
|
|
|
c->stdin_data = p;
|
|
c->stdin_data_size += sz + 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int config_parse_exec_input_data(
|
|
const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
_cleanup_free_ void *p = NULL;
|
|
ExecContext *c = data;
|
|
size_t sz;
|
|
void *q;
|
|
int r;
|
|
|
|
assert(data);
|
|
assert(filename);
|
|
assert(line);
|
|
assert(rvalue);
|
|
|
|
if (isempty(rvalue)) {
|
|
/* Reset if the empty string is assigned */
|
|
c->stdin_data = mfree(c->stdin_data);
|
|
c->stdin_data_size = 0;
|
|
return 0;
|
|
}
|
|
|
|
r = unbase64mem(rvalue, (size_t) -1, &p, &sz);
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r,
|
|
"Failed to decode base64 data, ignoring: %s", rvalue);
|
|
return 0;
|
|
}
|
|
|
|
assert(sz > 0);
|
|
|
|
if (c->stdin_data_size + sz < c->stdin_data_size || /* check for overflow */
|
|
c->stdin_data_size + sz > EXEC_STDIN_DATA_MAX) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, 0,
|
|
"Standard input data too large (%zu), maximum of %zu permitted, ignoring.",
|
|
c->stdin_data_size + sz, (size_t) EXEC_STDIN_DATA_MAX);
|
|
return 0;
|
|
}
|
|
|
|
q = realloc(c->stdin_data, c->stdin_data_size + sz);
|
|
if (!q)
|
|
return log_oom();
|
|
|
|
memcpy((uint8_t*) q + c->stdin_data_size, p, sz);
|
|
|
|
c->stdin_data = q;
|
|
c->stdin_data_size += sz;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int config_parse_exec_output(
|
|
const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
_cleanup_free_ char *resolved = NULL;
|
|
const char *n;
|
|
ExecContext *c = data;
|
|
const Unit *u = userdata;
|
|
bool obsolete = false;
|
|
ExecOutput eo;
|
|
int r;
|
|
|
|
assert(data);
|
|
assert(filename);
|
|
assert(line);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
|
|
n = startswith(rvalue, "fd:");
|
|
if (n) {
|
|
r = unit_full_printf(u, n, &resolved);
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to resolve unit specifiers in %s: %m", n);
|
|
return 0;
|
|
}
|
|
|
|
if (isempty(resolved))
|
|
resolved = mfree(resolved);
|
|
else if (!fdname_is_valid(resolved)) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, 0, "Invalid file descriptor name, ignoring: %s", resolved);
|
|
return 0;
|
|
}
|
|
|
|
eo = EXEC_OUTPUT_NAMED_FD;
|
|
|
|
} else if (streq(rvalue, "syslog")) {
|
|
eo = EXEC_OUTPUT_JOURNAL;
|
|
obsolete = true;
|
|
|
|
} else if (streq(rvalue, "syslog+console")) {
|
|
eo = EXEC_OUTPUT_JOURNAL_AND_CONSOLE;
|
|
obsolete = true;
|
|
|
|
} else if ((n = startswith(rvalue, "file:"))) {
|
|
|
|
r = unit_full_printf(u, n, &resolved);
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to resolve unit specifiers in %s, ignoring: %m", n);
|
|
return 0;
|
|
}
|
|
|
|
r = path_simplify_and_warn(resolved, PATH_CHECK_ABSOLUTE | PATH_CHECK_FATAL, unit, filename, line, lvalue);
|
|
if (r < 0)
|
|
return 0;
|
|
|
|
eo = EXEC_OUTPUT_FILE;
|
|
|
|
} else if ((n = startswith(rvalue, "append:"))) {
|
|
|
|
r = unit_full_printf(u, n, &resolved);
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to resolve unit specifiers in %s, ignoring: %m", n);
|
|
return 0;
|
|
}
|
|
|
|
r = path_simplify_and_warn(resolved, PATH_CHECK_ABSOLUTE | PATH_CHECK_FATAL, unit, filename, line, lvalue);
|
|
if (r < 0)
|
|
return 0;
|
|
|
|
eo = EXEC_OUTPUT_FILE_APPEND;
|
|
} else {
|
|
eo = exec_output_from_string(rvalue);
|
|
if (eo < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, 0, "Failed to parse output specifier, ignoring: %s", rvalue);
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
if (obsolete)
|
|
log_syntax(unit, LOG_NOTICE, filename, line, 0,
|
|
"Standard output type %s is obsolete, automatically updating to %s. Please update your unit file, and consider removing the setting altogether.",
|
|
rvalue, exec_output_to_string(eo));
|
|
|
|
if (streq(lvalue, "StandardOutput")) {
|
|
if (eo == EXEC_OUTPUT_NAMED_FD)
|
|
free_and_replace(c->stdio_fdname[STDOUT_FILENO], resolved);
|
|
else
|
|
free_and_replace(c->stdio_file[STDOUT_FILENO], resolved);
|
|
|
|
c->std_output = eo;
|
|
|
|
} else {
|
|
assert(streq(lvalue, "StandardError"));
|
|
|
|
if (eo == EXEC_OUTPUT_NAMED_FD)
|
|
free_and_replace(c->stdio_fdname[STDERR_FILENO], resolved);
|
|
else
|
|
free_and_replace(c->stdio_file[STDERR_FILENO], resolved);
|
|
|
|
c->std_error = eo;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int config_parse_exec_io_class(const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
ExecContext *c = data;
|
|
int x;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
assert(data);
|
|
|
|
if (isempty(rvalue)) {
|
|
c->ioprio_set = false;
|
|
c->ioprio = IOPRIO_PRIO_VALUE(IOPRIO_CLASS_BE, 0);
|
|
return 0;
|
|
}
|
|
|
|
x = ioprio_class_from_string(rvalue);
|
|
if (x < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, 0, "Failed to parse IO scheduling class, ignoring: %s", rvalue);
|
|
return 0;
|
|
}
|
|
|
|
c->ioprio = IOPRIO_PRIO_VALUE(x, IOPRIO_PRIO_DATA(c->ioprio));
|
|
c->ioprio_set = true;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int config_parse_exec_io_priority(const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
ExecContext *c = data;
|
|
int i, r;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
assert(data);
|
|
|
|
if (isempty(rvalue)) {
|
|
c->ioprio_set = false;
|
|
c->ioprio = IOPRIO_PRIO_VALUE(IOPRIO_CLASS_BE, 0);
|
|
return 0;
|
|
}
|
|
|
|
r = ioprio_parse_priority(rvalue, &i);
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to parse IO priority, ignoring: %s", rvalue);
|
|
return 0;
|
|
}
|
|
|
|
c->ioprio = IOPRIO_PRIO_VALUE(IOPRIO_PRIO_CLASS(c->ioprio), i);
|
|
c->ioprio_set = true;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int config_parse_exec_cpu_sched_policy(const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
ExecContext *c = data;
|
|
int x;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
assert(data);
|
|
|
|
if (isempty(rvalue)) {
|
|
c->cpu_sched_set = false;
|
|
c->cpu_sched_policy = SCHED_OTHER;
|
|
c->cpu_sched_priority = 0;
|
|
return 0;
|
|
}
|
|
|
|
x = sched_policy_from_string(rvalue);
|
|
if (x < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, 0, "Failed to parse CPU scheduling policy, ignoring: %s", rvalue);
|
|
return 0;
|
|
}
|
|
|
|
c->cpu_sched_policy = x;
|
|
/* Moving to or from real-time policy? We need to adjust the priority */
|
|
c->cpu_sched_priority = CLAMP(c->cpu_sched_priority, sched_get_priority_min(x), sched_get_priority_max(x));
|
|
c->cpu_sched_set = true;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int config_parse_exec_mount_apivfs(const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
ExecContext *c = data;
|
|
int k;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
assert(data);
|
|
|
|
if (isempty(rvalue)) {
|
|
c->mount_apivfs_set = false;
|
|
c->mount_apivfs = false;
|
|
return 0;
|
|
}
|
|
|
|
k = parse_boolean(rvalue);
|
|
if (k < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, k,
|
|
"Failed to parse boolean value, ignoring: %s",
|
|
rvalue);
|
|
return 0;
|
|
}
|
|
|
|
c->mount_apivfs_set = true;
|
|
c->mount_apivfs = k;
|
|
return 0;
|
|
}
|
|
|
|
int config_parse_numa_mask(const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
int r;
|
|
NUMAPolicy *p = data;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
assert(data);
|
|
|
|
if (streq(rvalue, "all")) {
|
|
r = numa_mask_add_all(&p->nodes);
|
|
if (r < 0)
|
|
log_syntax(unit, LOG_WARNING, filename, line, r,
|
|
"Failed to create NUMA mask representing \"all\" NUMA nodes, ignoring: %m");
|
|
} else {
|
|
r = parse_cpu_set_extend(rvalue, &p->nodes, true, unit, filename, line, lvalue);
|
|
if (r < 0)
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to parse NUMA node mask, ignoring: %s", rvalue);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int config_parse_exec_cpu_sched_prio(const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
ExecContext *c = data;
|
|
int i, min, max, r;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
assert(data);
|
|
|
|
r = safe_atoi(rvalue, &i);
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to parse CPU scheduling priority, ignoring: %s", rvalue);
|
|
return 0;
|
|
}
|
|
|
|
/* On Linux RR/FIFO range from 1 to 99 and OTHER/BATCH may only be 0 */
|
|
min = sched_get_priority_min(c->cpu_sched_policy);
|
|
max = sched_get_priority_max(c->cpu_sched_policy);
|
|
|
|
if (i < min || i > max) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, 0, "CPU scheduling priority is out of range, ignoring: %s", rvalue);
|
|
return 0;
|
|
}
|
|
|
|
c->cpu_sched_priority = i;
|
|
c->cpu_sched_set = true;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int config_parse_root_image_options(
|
|
const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
_cleanup_(mount_options_free_allp) MountOptions *options = NULL;
|
|
_cleanup_strv_free_ char **l = NULL;
|
|
char **first = NULL, **second = NULL;
|
|
ExecContext *c = data;
|
|
const Unit *u = userdata;
|
|
int r;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
assert(data);
|
|
|
|
if (isempty(rvalue)) {
|
|
c->root_image_options = mount_options_free_all(c->root_image_options);
|
|
return 0;
|
|
}
|
|
|
|
r = strv_split_colon_pairs(&l, rvalue);
|
|
if (r == -ENOMEM)
|
|
return log_oom();
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to parse %s, ignoring: %s", lvalue, rvalue);
|
|
return 0;
|
|
}
|
|
|
|
STRV_FOREACH_PAIR(first, second, l) {
|
|
MountOptions *o = NULL;
|
|
_cleanup_free_ char *mount_options_resolved = NULL;
|
|
const char *mount_options = NULL, *partition = "root";
|
|
PartitionDesignator partition_designator;
|
|
|
|
/* Format is either 'root:foo' or 'foo' (root is implied) */
|
|
if (!isempty(*second)) {
|
|
partition = *first;
|
|
mount_options = *second;
|
|
} else
|
|
mount_options = *first;
|
|
|
|
partition_designator = partition_designator_from_string(partition);
|
|
if (partition_designator < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, 0, "Invalid partition name %s, ignoring", partition);
|
|
continue;
|
|
}
|
|
r = unit_full_printf(u, mount_options, &mount_options_resolved);
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to resolve unit specifiers in %s, ignoring: %m", mount_options);
|
|
continue;
|
|
}
|
|
|
|
o = new(MountOptions, 1);
|
|
if (!o)
|
|
return log_oom();
|
|
*o = (MountOptions) {
|
|
.partition_designator = partition_designator,
|
|
.options = TAKE_PTR(mount_options_resolved),
|
|
};
|
|
LIST_APPEND(mount_options, options, TAKE_PTR(o));
|
|
}
|
|
|
|
/* empty spaces/separators only */
|
|
if (LIST_IS_EMPTY(options))
|
|
c->root_image_options = mount_options_free_all(c->root_image_options);
|
|
else
|
|
LIST_JOIN(mount_options, c->root_image_options, options);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int config_parse_exec_root_hash(
|
|
const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
_cleanup_free_ void *roothash_decoded = NULL;
|
|
ExecContext *c = data;
|
|
size_t roothash_decoded_size = 0;
|
|
int r;
|
|
|
|
assert(data);
|
|
assert(filename);
|
|
assert(line);
|
|
assert(rvalue);
|
|
|
|
if (isempty(rvalue)) {
|
|
/* Reset if the empty string is assigned */
|
|
c->root_hash_path = mfree(c->root_hash_path);
|
|
c->root_hash = mfree(c->root_hash);
|
|
c->root_hash_size = 0;
|
|
return 0;
|
|
}
|
|
|
|
if (path_is_absolute(rvalue)) {
|
|
/* We have the path to a roothash to load and decode, eg: RootHash=/foo/bar.roothash */
|
|
_cleanup_free_ char *p = NULL;
|
|
|
|
p = strdup(rvalue);
|
|
if (!p)
|
|
return -ENOMEM;
|
|
|
|
free_and_replace(c->root_hash_path, p);
|
|
c->root_hash = mfree(c->root_hash);
|
|
c->root_hash_size = 0;
|
|
return 0;
|
|
}
|
|
|
|
/* We have a roothash to decode, eg: RootHash=012345789abcdef */
|
|
r = unhexmem(rvalue, strlen(rvalue), &roothash_decoded, &roothash_decoded_size);
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to decode RootHash=, ignoring: %s", rvalue);
|
|
return 0;
|
|
}
|
|
if (roothash_decoded_size < sizeof(sd_id128_t)) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, 0, "RootHash= is too short, ignoring: %s", rvalue);
|
|
return 0;
|
|
}
|
|
|
|
free_and_replace(c->root_hash, roothash_decoded);
|
|
c->root_hash_size = roothash_decoded_size;
|
|
c->root_hash_path = mfree(c->root_hash_path);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int config_parse_exec_root_hash_sig(
|
|
const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
_cleanup_free_ void *roothash_sig_decoded = NULL;
|
|
char *value;
|
|
ExecContext *c = data;
|
|
size_t roothash_sig_decoded_size = 0;
|
|
int r;
|
|
|
|
assert(data);
|
|
assert(filename);
|
|
assert(line);
|
|
assert(rvalue);
|
|
|
|
if (isempty(rvalue)) {
|
|
/* Reset if the empty string is assigned */
|
|
c->root_hash_sig_path = mfree(c->root_hash_sig_path);
|
|
c->root_hash_sig = mfree(c->root_hash_sig);
|
|
c->root_hash_sig_size = 0;
|
|
return 0;
|
|
}
|
|
|
|
if (path_is_absolute(rvalue)) {
|
|
/* We have the path to a roothash signature to load and decode, eg: RootHashSignature=/foo/bar.roothash.p7s */
|
|
_cleanup_free_ char *p = NULL;
|
|
|
|
p = strdup(rvalue);
|
|
if (!p)
|
|
return log_oom();
|
|
|
|
free_and_replace(c->root_hash_sig_path, p);
|
|
c->root_hash_sig = mfree(c->root_hash_sig);
|
|
c->root_hash_sig_size = 0;
|
|
return 0;
|
|
}
|
|
|
|
if (!(value = startswith(rvalue, "base64:"))) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, 0,
|
|
"Failed to decode RootHashSignature=, not a path but doesn't start with 'base64:', ignoring: %s", rvalue);
|
|
return 0;
|
|
}
|
|
|
|
/* We have a roothash signature to decode, eg: RootHashSignature=base64:012345789abcdef */
|
|
r = unbase64mem(value, strlen(value), &roothash_sig_decoded, &roothash_sig_decoded_size);
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to decode RootHashSignature=, ignoring: %s", rvalue);
|
|
return 0;
|
|
}
|
|
|
|
free_and_replace(c->root_hash_sig, roothash_sig_decoded);
|
|
c->root_hash_sig_size = roothash_sig_decoded_size;
|
|
c->root_hash_sig_path = mfree(c->root_hash_sig_path);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int config_parse_exec_cpu_affinity(const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
ExecContext *c = data;
|
|
int r;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
assert(data);
|
|
|
|
if (streq(rvalue, "numa")) {
|
|
c->cpu_affinity_from_numa = true;
|
|
cpu_set_reset(&c->cpu_set);
|
|
|
|
return 0;
|
|
}
|
|
|
|
r = parse_cpu_set_extend(rvalue, &c->cpu_set, true, unit, filename, line, lvalue);
|
|
if (r >= 0)
|
|
c->cpu_affinity_from_numa = false;
|
|
|
|
return r;
|
|
}
|
|
|
|
int config_parse_capability_set(
|
|
const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
uint64_t *capability_set = data;
|
|
uint64_t sum = 0, initial = 0;
|
|
bool invert = false;
|
|
int r;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
assert(data);
|
|
|
|
if (rvalue[0] == '~') {
|
|
invert = true;
|
|
rvalue++;
|
|
}
|
|
|
|
if (streq(lvalue, "CapabilityBoundingSet"))
|
|
initial = CAP_ALL; /* initialized to all bits on */
|
|
/* else "AmbientCapabilities" initialized to all bits off */
|
|
|
|
r = capability_set_from_string(rvalue, &sum);
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to parse %s= specifier '%s', ignoring: %m", lvalue, rvalue);
|
|
return 0;
|
|
}
|
|
|
|
if (sum == 0 || *capability_set == initial)
|
|
/* "", "~" or uninitialized data -> replace */
|
|
*capability_set = invert ? ~sum : sum;
|
|
else {
|
|
/* previous data -> merge */
|
|
if (invert)
|
|
*capability_set &= ~sum;
|
|
else
|
|
*capability_set |= sum;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int config_parse_exec_selinux_context(
|
|
const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
ExecContext *c = data;
|
|
const Unit *u = userdata;
|
|
bool ignore;
|
|
char *k;
|
|
int r;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
assert(data);
|
|
|
|
if (isempty(rvalue)) {
|
|
c->selinux_context = mfree(c->selinux_context);
|
|
c->selinux_context_ignore = false;
|
|
return 0;
|
|
}
|
|
|
|
if (rvalue[0] == '-') {
|
|
ignore = true;
|
|
rvalue++;
|
|
} else
|
|
ignore = false;
|
|
|
|
r = unit_full_printf(u, rvalue, &k);
|
|
if (r < 0) {
|
|
log_syntax(unit, ignore ? LOG_WARNING : LOG_ERR, filename, line, r,
|
|
"Failed to resolve unit specifiers in '%s'%s: %m",
|
|
rvalue, ignore ? ", ignoring" : "");
|
|
return ignore ? 0 : -ENOEXEC;
|
|
}
|
|
|
|
free_and_replace(c->selinux_context, k);
|
|
c->selinux_context_ignore = ignore;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int config_parse_exec_apparmor_profile(
|
|
const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
ExecContext *c = data;
|
|
const Unit *u = userdata;
|
|
bool ignore;
|
|
char *k;
|
|
int r;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
assert(data);
|
|
|
|
if (isempty(rvalue)) {
|
|
c->apparmor_profile = mfree(c->apparmor_profile);
|
|
c->apparmor_profile_ignore = false;
|
|
return 0;
|
|
}
|
|
|
|
if (rvalue[0] == '-') {
|
|
ignore = true;
|
|
rvalue++;
|
|
} else
|
|
ignore = false;
|
|
|
|
r = unit_full_printf(u, rvalue, &k);
|
|
if (r < 0) {
|
|
log_syntax(unit, ignore ? LOG_WARNING : LOG_ERR, filename, line, r,
|
|
"Failed to resolve unit specifiers in '%s'%s: %m",
|
|
rvalue, ignore ? ", ignoring" : "");
|
|
return ignore ? 0 : -ENOEXEC;
|
|
}
|
|
|
|
free_and_replace(c->apparmor_profile, k);
|
|
c->apparmor_profile_ignore = ignore;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int config_parse_exec_smack_process_label(
|
|
const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
ExecContext *c = data;
|
|
const Unit *u = userdata;
|
|
bool ignore;
|
|
char *k;
|
|
int r;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
assert(data);
|
|
|
|
if (isempty(rvalue)) {
|
|
c->smack_process_label = mfree(c->smack_process_label);
|
|
c->smack_process_label_ignore = false;
|
|
return 0;
|
|
}
|
|
|
|
if (rvalue[0] == '-') {
|
|
ignore = true;
|
|
rvalue++;
|
|
} else
|
|
ignore = false;
|
|
|
|
r = unit_full_printf(u, rvalue, &k);
|
|
if (r < 0) {
|
|
log_syntax(unit, ignore ? LOG_WARNING : LOG_ERR, filename, line, r,
|
|
"Failed to resolve unit specifiers in '%s'%s: %m",
|
|
rvalue, ignore ? ", ignoring" : "");
|
|
return ignore ? 0 : -ENOEXEC;
|
|
}
|
|
|
|
free_and_replace(c->smack_process_label, k);
|
|
c->smack_process_label_ignore = ignore;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int config_parse_timer(
|
|
const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
_cleanup_(calendar_spec_freep) CalendarSpec *c = NULL;
|
|
_cleanup_free_ char *k = NULL;
|
|
const Unit *u = userdata;
|
|
Timer *t = data;
|
|
usec_t usec = 0;
|
|
TimerValue *v;
|
|
int r;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
assert(data);
|
|
|
|
if (isempty(rvalue)) {
|
|
/* Empty assignment resets list */
|
|
timer_free_values(t);
|
|
return 0;
|
|
}
|
|
|
|
r = unit_full_printf(u, rvalue, &k);
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to resolve unit specifiers in '%s', ignoring: %m", rvalue);
|
|
return 0;
|
|
}
|
|
|
|
if (ltype == TIMER_CALENDAR) {
|
|
r = calendar_spec_from_string(k, &c);
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to parse calendar specification, ignoring: %s", k);
|
|
return 0;
|
|
}
|
|
} else {
|
|
r = parse_sec(k, &usec);
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to parse timer value, ignoring: %s", k);
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
v = new(TimerValue, 1);
|
|
if (!v)
|
|
return log_oom();
|
|
|
|
*v = (TimerValue) {
|
|
.base = ltype,
|
|
.value = usec,
|
|
.calendar_spec = TAKE_PTR(c),
|
|
};
|
|
|
|
LIST_PREPEND(value, t->values, v);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int config_parse_trigger_unit(
|
|
const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
_cleanup_free_ char *p = NULL;
|
|
Unit *u = data;
|
|
UnitType type;
|
|
int r;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
assert(data);
|
|
|
|
if (!hashmap_isempty(u->dependencies[UNIT_TRIGGERS])) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, 0, "Multiple units to trigger specified, ignoring: %s", rvalue);
|
|
return 0;
|
|
}
|
|
|
|
r = unit_name_printf(u, rvalue, &p);
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to resolve unit specifiers in %s, ignoring: %m", rvalue);
|
|
return 0;
|
|
}
|
|
|
|
type = unit_name_to_type(p);
|
|
if (type < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, 0, "Unit type not valid, ignoring: %s", rvalue);
|
|
return 0;
|
|
}
|
|
if (unit_has_name(u, p)) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, 0, "Units cannot trigger themselves, ignoring: %s", rvalue);
|
|
return 0;
|
|
}
|
|
|
|
r = unit_add_two_dependencies_by_name(u, UNIT_BEFORE, UNIT_TRIGGERS, p, true, UNIT_DEPENDENCY_FILE);
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to add trigger on %s, ignoring: %m", p);
|
|
return 0;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int config_parse_path_spec(const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
Path *p = data;
|
|
PathSpec *s;
|
|
PathType b;
|
|
_cleanup_free_ char *k = NULL;
|
|
int r;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
assert(data);
|
|
|
|
if (isempty(rvalue)) {
|
|
/* Empty assignment clears list */
|
|
path_free_specs(p);
|
|
return 0;
|
|
}
|
|
|
|
b = path_type_from_string(lvalue);
|
|
if (b < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, 0, "Failed to parse path type, ignoring: %s", lvalue);
|
|
return 0;
|
|
}
|
|
|
|
r = unit_full_printf(UNIT(p), rvalue, &k);
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to resolve unit specifiers in %s, ignoring: %m", rvalue);
|
|
return 0;
|
|
}
|
|
|
|
r = path_simplify_and_warn(k, PATH_CHECK_ABSOLUTE, unit, filename, line, lvalue);
|
|
if (r < 0)
|
|
return 0;
|
|
|
|
s = new0(PathSpec, 1);
|
|
if (!s)
|
|
return log_oom();
|
|
|
|
s->unit = UNIT(p);
|
|
s->path = TAKE_PTR(k);
|
|
s->type = b;
|
|
s->inotify_fd = -1;
|
|
|
|
LIST_PREPEND(spec, p->specs, s);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int config_parse_socket_service(
|
|
const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
|
|
_cleanup_free_ char *p = NULL;
|
|
Socket *s = data;
|
|
Unit *x;
|
|
int r;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
assert(data);
|
|
|
|
r = unit_name_printf(UNIT(s), rvalue, &p);
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to resolve unit specifiers in %s, ignoring: %m", rvalue);
|
|
return 0;
|
|
}
|
|
|
|
if (!endswith(p, ".service")) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, 0, "Unit must be of type service, ignoring: %s", rvalue);
|
|
return 0;
|
|
}
|
|
|
|
r = manager_load_unit(UNIT(s)->manager, p, NULL, &error, &x);
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to load unit %s, ignoring: %s", rvalue, bus_error_message(&error, r));
|
|
return 0;
|
|
}
|
|
|
|
unit_ref_set(&s->service, UNIT(s), x);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int config_parse_fdname(
|
|
const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
_cleanup_free_ char *p = NULL;
|
|
Socket *s = data;
|
|
int r;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
assert(data);
|
|
|
|
if (isempty(rvalue)) {
|
|
s->fdname = mfree(s->fdname);
|
|
return 0;
|
|
}
|
|
|
|
r = unit_full_printf(UNIT(s), rvalue, &p);
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to resolve unit specifiers in '%s', ignoring: %m", rvalue);
|
|
return 0;
|
|
}
|
|
|
|
if (!fdname_is_valid(p)) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, 0, "Invalid file descriptor name, ignoring: %s", p);
|
|
return 0;
|
|
}
|
|
|
|
return free_and_replace(s->fdname, p);
|
|
}
|
|
|
|
int config_parse_service_sockets(
|
|
const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
Service *s = data;
|
|
int r;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
assert(data);
|
|
|
|
for (const char *p = rvalue;;) {
|
|
_cleanup_free_ char *word = NULL, *k = NULL;
|
|
|
|
r = extract_first_word(&p, &word, NULL, 0);
|
|
if (r == 0)
|
|
return 0;
|
|
if (r == -ENOMEM)
|
|
return log_oom();
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Trailing garbage in sockets, ignoring: %s", rvalue);
|
|
return 0;
|
|
}
|
|
|
|
r = unit_name_printf(UNIT(s), word, &k);
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to resolve unit specifiers in '%s', ignoring: %m", word);
|
|
continue;
|
|
}
|
|
|
|
if (!endswith(k, ".socket")) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, 0, "Unit must be of type socket, ignoring: %s", k);
|
|
continue;
|
|
}
|
|
|
|
r = unit_add_two_dependencies_by_name(UNIT(s), UNIT_WANTS, UNIT_AFTER, k, true, UNIT_DEPENDENCY_FILE);
|
|
if (r < 0)
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to add dependency on %s, ignoring: %m", k);
|
|
|
|
r = unit_add_dependency_by_name(UNIT(s), UNIT_TRIGGERED_BY, k, true, UNIT_DEPENDENCY_FILE);
|
|
if (r < 0)
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to add dependency on %s, ignoring: %m", k);
|
|
}
|
|
}
|
|
|
|
int config_parse_bus_name(
|
|
const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
_cleanup_free_ char *k = NULL;
|
|
const Unit *u = userdata;
|
|
int r;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
assert(u);
|
|
|
|
r = unit_full_printf(u, rvalue, &k);
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to resolve unit specifiers in %s, ignoring: %m", rvalue);
|
|
return 0;
|
|
}
|
|
|
|
if (!sd_bus_service_name_is_valid(k)) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, 0, "Invalid bus name, ignoring: %s", k);
|
|
return 0;
|
|
}
|
|
|
|
return config_parse_string(unit, filename, line, section, section_line, lvalue, ltype, k, data, userdata);
|
|
}
|
|
|
|
int config_parse_service_timeout(
|
|
const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
Service *s = userdata;
|
|
usec_t usec;
|
|
int r;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
assert(s);
|
|
|
|
/* This is called for two cases: TimeoutSec= and TimeoutStartSec=. */
|
|
|
|
/* Traditionally, these options accepted 0 to disable the timeouts. However, a timeout of 0 suggests it happens
|
|
* immediately, hence fix this to become USEC_INFINITY instead. This is in-line with how we internally handle
|
|
* all other timeouts. */
|
|
r = parse_sec_fix_0(rvalue, &usec);
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to parse %s= parameter, ignoring: %s", lvalue, rvalue);
|
|
return 0;
|
|
}
|
|
|
|
s->start_timeout_defined = true;
|
|
s->timeout_start_usec = usec;
|
|
|
|
if (streq(lvalue, "TimeoutSec"))
|
|
s->timeout_stop_usec = usec;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int config_parse_timeout_abort(
|
|
const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
usec_t *ret = data;
|
|
int r;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
assert(ret);
|
|
|
|
/* Note: apart from setting the arg, this returns an extra bit of information in the return value. */
|
|
|
|
if (isempty(rvalue)) {
|
|
*ret = 0;
|
|
return 0; /* "not set" */
|
|
}
|
|
|
|
r = parse_sec(rvalue, ret);
|
|
if (r < 0)
|
|
return log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to parse %s= setting, ignoring: %s", lvalue, rvalue);
|
|
|
|
return 1; /* "set" */
|
|
}
|
|
|
|
int config_parse_service_timeout_abort(
|
|
const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
Service *s = userdata;
|
|
int r;
|
|
|
|
assert(s);
|
|
|
|
r = config_parse_timeout_abort(unit, filename, line, section, section_line, lvalue, ltype, rvalue,
|
|
&s->timeout_abort_usec, s);
|
|
if (r >= 0)
|
|
s->timeout_abort_set = r;
|
|
return 0;
|
|
}
|
|
|
|
int config_parse_sec_fix_0(
|
|
const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
usec_t *usec = data;
|
|
int r;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
assert(usec);
|
|
|
|
/* This is pretty much like config_parse_sec(), except that this treats a time of 0 as infinity, for
|
|
* compatibility with older versions of systemd where 0 instead of infinity was used as indicator to turn off a
|
|
* timeout. */
|
|
|
|
r = parse_sec_fix_0(rvalue, usec);
|
|
if (r < 0)
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to parse %s= parameter, ignoring: %s", lvalue, rvalue);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int config_parse_user_group_compat(
|
|
const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
_cleanup_free_ char *k = NULL;
|
|
char **user = data;
|
|
const Unit *u = userdata;
|
|
int r;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
assert(u);
|
|
|
|
if (isempty(rvalue)) {
|
|
*user = mfree(*user);
|
|
return 0;
|
|
}
|
|
|
|
r = unit_full_printf(u, rvalue, &k);
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_ERR, filename, line, r, "Failed to resolve unit specifiers in %s: %m", rvalue);
|
|
return -ENOEXEC;
|
|
}
|
|
|
|
if (!valid_user_group_name(k, VALID_USER_ALLOW_NUMERIC|VALID_USER_RELAX|VALID_USER_WARN)) {
|
|
log_syntax(unit, LOG_ERR, filename, line, 0, "Invalid user/group name or numeric ID: %s", k);
|
|
return -ENOEXEC;
|
|
}
|
|
|
|
if (strstr(lvalue, "User") && streq(k, NOBODY_USER_NAME))
|
|
log_struct(LOG_NOTICE,
|
|
"MESSAGE=%s:%u: Special user %s configured, this is not safe!", filename, line, k,
|
|
"UNIT=%s", unit,
|
|
"MESSAGE_ID=" SD_MESSAGE_NOBODY_USER_UNSUITABLE_STR,
|
|
"OFFENDING_USER=%s", k,
|
|
"CONFIG_FILE=%s", filename,
|
|
"CONFIG_LINE=%u", line);
|
|
|
|
return free_and_replace(*user, k);
|
|
}
|
|
|
|
int config_parse_user_group_strv_compat(
|
|
const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
char ***users = data;
|
|
const Unit *u = userdata;
|
|
int r;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
assert(u);
|
|
|
|
if (isempty(rvalue)) {
|
|
*users = strv_free(*users);
|
|
return 0;
|
|
}
|
|
|
|
for (const char *p = rvalue;;) {
|
|
_cleanup_free_ char *word = NULL, *k = NULL;
|
|
|
|
r = extract_first_word(&p, &word, NULL, 0);
|
|
if (r == 0)
|
|
return 0;
|
|
if (r == -ENOMEM)
|
|
return log_oom();
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_ERR, filename, line, r, "Invalid syntax: %s", rvalue);
|
|
return -ENOEXEC;
|
|
}
|
|
|
|
r = unit_full_printf(u, word, &k);
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_ERR, filename, line, r, "Failed to resolve unit specifiers in %s: %m", word);
|
|
return -ENOEXEC;
|
|
}
|
|
|
|
if (!valid_user_group_name(k, VALID_USER_ALLOW_NUMERIC|VALID_USER_RELAX|VALID_USER_WARN)) {
|
|
log_syntax(unit, LOG_ERR, filename, line, 0, "Invalid user/group name or numeric ID: %s", k);
|
|
return -ENOEXEC;
|
|
}
|
|
|
|
r = strv_push(users, k);
|
|
if (r < 0)
|
|
return log_oom();
|
|
|
|
k = NULL;
|
|
}
|
|
}
|
|
|
|
int config_parse_working_directory(
|
|
const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
ExecContext *c = data;
|
|
const Unit *u = userdata;
|
|
bool missing_ok;
|
|
int r;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
assert(c);
|
|
assert(u);
|
|
|
|
if (isempty(rvalue)) {
|
|
c->working_directory_home = false;
|
|
c->working_directory = mfree(c->working_directory);
|
|
return 0;
|
|
}
|
|
|
|
if (rvalue[0] == '-') {
|
|
missing_ok = true;
|
|
rvalue++;
|
|
} else
|
|
missing_ok = false;
|
|
|
|
if (streq(rvalue, "~")) {
|
|
c->working_directory_home = true;
|
|
c->working_directory = mfree(c->working_directory);
|
|
} else {
|
|
_cleanup_free_ char *k = NULL;
|
|
|
|
r = unit_full_printf(u, rvalue, &k);
|
|
if (r < 0) {
|
|
log_syntax(unit, missing_ok ? LOG_WARNING : LOG_ERR, filename, line, r,
|
|
"Failed to resolve unit specifiers in working directory path '%s'%s: %m",
|
|
rvalue, missing_ok ? ", ignoring" : "");
|
|
return missing_ok ? 0 : -ENOEXEC;
|
|
}
|
|
|
|
r = path_simplify_and_warn(k, PATH_CHECK_ABSOLUTE | (missing_ok ? 0 : PATH_CHECK_FATAL), unit, filename, line, lvalue);
|
|
if (r < 0)
|
|
return missing_ok ? 0 : -ENOEXEC;
|
|
|
|
c->working_directory_home = false;
|
|
free_and_replace(c->working_directory, k);
|
|
}
|
|
|
|
c->working_directory_missing_ok = missing_ok;
|
|
return 0;
|
|
}
|
|
|
|
int config_parse_unit_env_file(const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
char ***env = data;
|
|
const Unit *u = userdata;
|
|
_cleanup_free_ char *n = NULL;
|
|
int r;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
assert(data);
|
|
|
|
if (isempty(rvalue)) {
|
|
/* Empty assignment frees the list */
|
|
*env = strv_free(*env);
|
|
return 0;
|
|
}
|
|
|
|
r = unit_full_printf(u, rvalue, &n);
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to resolve unit specifiers in '%s', ignoring: %m", rvalue);
|
|
return 0;
|
|
}
|
|
|
|
r = path_simplify_and_warn(n[0] == '-' ? n + 1 : n, PATH_CHECK_ABSOLUTE, unit, filename, line, lvalue);
|
|
if (r < 0)
|
|
return 0;
|
|
|
|
r = strv_push(env, n);
|
|
if (r < 0)
|
|
return log_oom();
|
|
|
|
n = NULL;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int config_parse_environ(
|
|
const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
const Unit *u = userdata;
|
|
char ***env = data;
|
|
int r;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
assert(data);
|
|
|
|
if (isempty(rvalue)) {
|
|
/* Empty assignment resets the list */
|
|
*env = strv_free(*env);
|
|
return 0;
|
|
}
|
|
|
|
for (const char *p = rvalue;; ) {
|
|
_cleanup_free_ char *word = NULL, *k = NULL;
|
|
|
|
r = extract_first_word(&p, &word, NULL, EXTRACT_CUNESCAPE|EXTRACT_UNQUOTE);
|
|
if (r == 0)
|
|
return 0;
|
|
if (r == -ENOMEM)
|
|
return log_oom();
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r,
|
|
"Invalid syntax, ignoring: %s", rvalue);
|
|
return 0;
|
|
}
|
|
|
|
if (u) {
|
|
r = unit_full_printf(u, word, &k);
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r,
|
|
"Failed to resolve unit specifiers in %s, ignoring: %m", word);
|
|
continue;
|
|
}
|
|
} else
|
|
k = TAKE_PTR(word);
|
|
|
|
if (!env_assignment_is_valid(k)) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, 0,
|
|
"Invalid environment assignment, ignoring: %s", k);
|
|
continue;
|
|
}
|
|
|
|
r = strv_env_replace(env, k);
|
|
if (r < 0)
|
|
return log_oom();
|
|
|
|
k = NULL;
|
|
}
|
|
}
|
|
|
|
int config_parse_pass_environ(
|
|
const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
_cleanup_strv_free_ char **n = NULL;
|
|
size_t nlen = 0, nbufsize = 0;
|
|
char*** passenv = data;
|
|
const Unit *u = userdata;
|
|
int r;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
assert(data);
|
|
|
|
if (isempty(rvalue)) {
|
|
/* Empty assignment resets the list */
|
|
*passenv = strv_free(*passenv);
|
|
return 0;
|
|
}
|
|
|
|
for (const char *p = rvalue;;) {
|
|
_cleanup_free_ char *word = NULL, *k = NULL;
|
|
|
|
r = extract_first_word(&p, &word, NULL, EXTRACT_UNQUOTE);
|
|
if (r == 0)
|
|
break;
|
|
if (r == -ENOMEM)
|
|
return log_oom();
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r,
|
|
"Trailing garbage in %s, ignoring: %s", lvalue, rvalue);
|
|
break;
|
|
}
|
|
|
|
if (u) {
|
|
r = unit_full_printf(u, word, &k);
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r,
|
|
"Failed to resolve specifiers in %s, ignoring: %m", word);
|
|
continue;
|
|
}
|
|
} else
|
|
k = TAKE_PTR(word);
|
|
|
|
if (!env_name_is_valid(k)) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, 0,
|
|
"Invalid environment name for %s, ignoring: %s", lvalue, k);
|
|
continue;
|
|
}
|
|
|
|
if (!GREEDY_REALLOC(n, nbufsize, nlen + 2))
|
|
return log_oom();
|
|
|
|
n[nlen++] = TAKE_PTR(k);
|
|
n[nlen] = NULL;
|
|
}
|
|
|
|
if (n) {
|
|
r = strv_extend_strv(passenv, n, true);
|
|
if (r < 0)
|
|
return r;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int config_parse_unset_environ(
|
|
const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
_cleanup_strv_free_ char **n = NULL;
|
|
size_t nlen = 0, nbufsize = 0;
|
|
char*** unsetenv = data;
|
|
const Unit *u = userdata;
|
|
int r;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
assert(data);
|
|
|
|
if (isempty(rvalue)) {
|
|
/* Empty assignment resets the list */
|
|
*unsetenv = strv_free(*unsetenv);
|
|
return 0;
|
|
}
|
|
|
|
for (const char *p = rvalue;;) {
|
|
_cleanup_free_ char *word = NULL, *k = NULL;
|
|
|
|
r = extract_first_word(&p, &word, NULL, EXTRACT_CUNESCAPE|EXTRACT_UNQUOTE);
|
|
if (r == 0)
|
|
break;
|
|
if (r == -ENOMEM)
|
|
return log_oom();
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r,
|
|
"Trailing garbage in %s, ignoring: %s", lvalue, rvalue);
|
|
break;
|
|
}
|
|
|
|
if (u) {
|
|
r = unit_full_printf(u, word, &k);
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r,
|
|
"Failed to resolve unit specifiers in %s, ignoring: %m", word);
|
|
continue;
|
|
}
|
|
} else
|
|
k = TAKE_PTR(word);
|
|
|
|
if (!env_assignment_is_valid(k) && !env_name_is_valid(k)) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, 0,
|
|
"Invalid environment name or assignment %s, ignoring: %s", lvalue, k);
|
|
continue;
|
|
}
|
|
|
|
if (!GREEDY_REALLOC(n, nbufsize, nlen + 2))
|
|
return log_oom();
|
|
|
|
n[nlen++] = TAKE_PTR(k);
|
|
n[nlen] = NULL;
|
|
}
|
|
|
|
if (n) {
|
|
r = strv_extend_strv(unsetenv, n, true);
|
|
if (r < 0)
|
|
return r;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int config_parse_log_extra_fields(
|
|
const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
ExecContext *c = data;
|
|
const Unit *u = userdata;
|
|
int r;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
assert(c);
|
|
|
|
if (isempty(rvalue)) {
|
|
exec_context_free_log_extra_fields(c);
|
|
return 0;
|
|
}
|
|
|
|
for (const char *p = rvalue;;) {
|
|
_cleanup_free_ char *word = NULL, *k = NULL;
|
|
struct iovec *t;
|
|
const char *eq;
|
|
|
|
r = extract_first_word(&p, &word, NULL, EXTRACT_CUNESCAPE|EXTRACT_UNQUOTE);
|
|
if (r == 0)
|
|
return 0;
|
|
if (r == -ENOMEM)
|
|
return log_oom();
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Invalid syntax, ignoring: %s", rvalue);
|
|
return 0;
|
|
}
|
|
|
|
r = unit_full_printf(u, word, &k);
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to resolve unit specifiers in %s, ignoring: %m", word);
|
|
continue;
|
|
}
|
|
|
|
eq = strchr(k, '=');
|
|
if (!eq) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, 0, "Log field lacks '=' character, ignoring: %s", k);
|
|
continue;
|
|
}
|
|
|
|
if (!journal_field_valid(k, eq-k, false)) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, 0, "Log field name is invalid, ignoring: %s", k);
|
|
continue;
|
|
}
|
|
|
|
t = reallocarray(c->log_extra_fields, c->n_log_extra_fields+1, sizeof(struct iovec));
|
|
if (!t)
|
|
return log_oom();
|
|
|
|
c->log_extra_fields = t;
|
|
c->log_extra_fields[c->n_log_extra_fields++] = IOVEC_MAKE_STRING(k);
|
|
|
|
k = NULL;
|
|
}
|
|
}
|
|
|
|
int config_parse_log_namespace(
|
|
const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
_cleanup_free_ char *k = NULL;
|
|
ExecContext *c = data;
|
|
const Unit *u = userdata;
|
|
int r;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
assert(c);
|
|
|
|
if (isempty(rvalue)) {
|
|
c->log_namespace = mfree(c->log_namespace);
|
|
return 0;
|
|
}
|
|
|
|
r = unit_full_printf(u, rvalue, &k);
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to resolve unit specifiers in %s, ignoring: %m", rvalue);
|
|
return 0;
|
|
}
|
|
|
|
if (!log_namespace_name_valid(k)) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, 0, "Specified log namespace name is not valid, ignoring: %s", k);
|
|
return 0;
|
|
}
|
|
|
|
free_and_replace(c->log_namespace, k);
|
|
return 0;
|
|
}
|
|
|
|
int config_parse_unit_condition_path(
|
|
const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
_cleanup_free_ char *p = NULL;
|
|
Condition **list = data, *c;
|
|
ConditionType t = ltype;
|
|
bool trigger, negate;
|
|
const Unit *u = userdata;
|
|
int r;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
assert(data);
|
|
|
|
if (isempty(rvalue)) {
|
|
/* Empty assignment resets the list */
|
|
*list = condition_free_list(*list);
|
|
return 0;
|
|
}
|
|
|
|
trigger = rvalue[0] == '|';
|
|
if (trigger)
|
|
rvalue++;
|
|
|
|
negate = rvalue[0] == '!';
|
|
if (negate)
|
|
rvalue++;
|
|
|
|
r = unit_full_printf(u, rvalue, &p);
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to resolve unit specifiers in %s, ignoring: %m", rvalue);
|
|
return 0;
|
|
}
|
|
|
|
r = path_simplify_and_warn(p, PATH_CHECK_ABSOLUTE, unit, filename, line, lvalue);
|
|
if (r < 0)
|
|
return 0;
|
|
|
|
c = condition_new(t, p, trigger, negate);
|
|
if (!c)
|
|
return log_oom();
|
|
|
|
LIST_PREPEND(conditions, *list, c);
|
|
return 0;
|
|
}
|
|
|
|
int config_parse_unit_condition_string(
|
|
const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
_cleanup_free_ char *s = NULL;
|
|
Condition **list = data, *c;
|
|
ConditionType t = ltype;
|
|
bool trigger, negate;
|
|
const Unit *u = userdata;
|
|
int r;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
assert(data);
|
|
|
|
if (isempty(rvalue)) {
|
|
/* Empty assignment resets the list */
|
|
*list = condition_free_list(*list);
|
|
return 0;
|
|
}
|
|
|
|
trigger = *rvalue == '|';
|
|
if (trigger)
|
|
rvalue += 1 + strspn(rvalue + 1, WHITESPACE);
|
|
|
|
negate = *rvalue == '!';
|
|
if (negate)
|
|
rvalue += 1 + strspn(rvalue + 1, WHITESPACE);
|
|
|
|
r = unit_full_printf(u, rvalue, &s);
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r,
|
|
"Failed to resolve unit specifiers in '%s', ignoring: %m", rvalue);
|
|
return 0;
|
|
}
|
|
|
|
c = condition_new(t, s, trigger, negate);
|
|
if (!c)
|
|
return log_oom();
|
|
|
|
LIST_PREPEND(conditions, *list, c);
|
|
return 0;
|
|
}
|
|
|
|
int config_parse_unit_requires_mounts_for(
|
|
const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
Unit *u = userdata;
|
|
int r;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
assert(data);
|
|
|
|
for (const char *p = rvalue;;) {
|
|
_cleanup_free_ char *word = NULL, *resolved = NULL;
|
|
|
|
r = extract_first_word(&p, &word, NULL, EXTRACT_UNQUOTE);
|
|
if (r == 0)
|
|
return 0;
|
|
if (r == -ENOMEM)
|
|
return log_oom();
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r,
|
|
"Invalid syntax, ignoring: %s", rvalue);
|
|
return 0;
|
|
}
|
|
|
|
r = unit_full_printf(u, word, &resolved);
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to resolve unit specifiers in '%s', ignoring: %m", word);
|
|
continue;
|
|
}
|
|
|
|
r = path_simplify_and_warn(resolved, PATH_CHECK_ABSOLUTE, unit, filename, line, lvalue);
|
|
if (r < 0)
|
|
continue;
|
|
|
|
r = unit_require_mounts_for(u, resolved, UNIT_DEPENDENCY_FILE);
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to add required mount '%s', ignoring: %m", resolved);
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
|
|
int config_parse_documentation(const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
Unit *u = userdata;
|
|
int r;
|
|
char **a, **b;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
assert(u);
|
|
|
|
if (isempty(rvalue)) {
|
|
/* Empty assignment resets the list */
|
|
u->documentation = strv_free(u->documentation);
|
|
return 0;
|
|
}
|
|
|
|
r = config_parse_unit_strv_printf(unit, filename, line, section, section_line, lvalue, ltype,
|
|
rvalue, data, userdata);
|
|
if (r < 0)
|
|
return r;
|
|
|
|
for (a = b = u->documentation; a && *a; a++) {
|
|
|
|
if (documentation_url_is_valid(*a))
|
|
*(b++) = *a;
|
|
else {
|
|
log_syntax(unit, LOG_WARNING, filename, line, 0, "Invalid URL, ignoring: %s", *a);
|
|
free(*a);
|
|
}
|
|
}
|
|
if (b)
|
|
*b = NULL;
|
|
|
|
return r;
|
|
}
|
|
|
|
#if HAVE_SECCOMP
|
|
int config_parse_syscall_filter(
|
|
const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
ExecContext *c = data;
|
|
_unused_ const Unit *u = userdata;
|
|
bool invert = false;
|
|
int r;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
assert(u);
|
|
|
|
if (isempty(rvalue)) {
|
|
/* Empty assignment resets the list */
|
|
c->syscall_filter = hashmap_free(c->syscall_filter);
|
|
c->syscall_allow_list = false;
|
|
return 0;
|
|
}
|
|
|
|
if (rvalue[0] == '~') {
|
|
invert = true;
|
|
rvalue++;
|
|
}
|
|
|
|
if (!c->syscall_filter) {
|
|
c->syscall_filter = hashmap_new(NULL);
|
|
if (!c->syscall_filter)
|
|
return log_oom();
|
|
|
|
if (invert)
|
|
/* Allow everything but the ones listed */
|
|
c->syscall_allow_list = false;
|
|
else {
|
|
/* Allow nothing but the ones listed */
|
|
c->syscall_allow_list = true;
|
|
|
|
/* Accept default syscalls if we are on a allow_list */
|
|
r = seccomp_parse_syscall_filter(
|
|
"@default", -1, c->syscall_filter,
|
|
SECCOMP_PARSE_PERMISSIVE|SECCOMP_PARSE_ALLOW_LIST,
|
|
unit,
|
|
NULL, 0);
|
|
if (r < 0)
|
|
return r;
|
|
}
|
|
}
|
|
|
|
for (const char *p = rvalue;;) {
|
|
_cleanup_free_ char *word = NULL, *name = NULL;
|
|
int num;
|
|
|
|
r = extract_first_word(&p, &word, NULL, 0);
|
|
if (r == 0)
|
|
return 0;
|
|
if (r == -ENOMEM)
|
|
return log_oom();
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Invalid syntax, ignoring: %s", rvalue);
|
|
return 0;
|
|
}
|
|
|
|
r = parse_syscall_and_errno(word, &name, &num);
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to parse syscall:errno, ignoring: %s", word);
|
|
continue;
|
|
}
|
|
|
|
r = seccomp_parse_syscall_filter(
|
|
name, num, c->syscall_filter,
|
|
SECCOMP_PARSE_LOG|SECCOMP_PARSE_PERMISSIVE|
|
|
(invert ? SECCOMP_PARSE_INVERT : 0)|
|
|
(c->syscall_allow_list ? SECCOMP_PARSE_ALLOW_LIST : 0),
|
|
unit, filename, line);
|
|
if (r < 0)
|
|
return r;
|
|
}
|
|
}
|
|
|
|
int config_parse_syscall_log(
|
|
const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
ExecContext *c = data;
|
|
_unused_ const Unit *u = userdata;
|
|
bool invert = false;
|
|
const char *p;
|
|
int r;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
assert(u);
|
|
|
|
if (isempty(rvalue)) {
|
|
/* Empty assignment resets the list */
|
|
c->syscall_log = hashmap_free(c->syscall_log);
|
|
c->syscall_log_allow_list = false;
|
|
return 0;
|
|
}
|
|
|
|
if (rvalue[0] == '~') {
|
|
invert = true;
|
|
rvalue++;
|
|
}
|
|
|
|
if (!c->syscall_log) {
|
|
c->syscall_log = hashmap_new(NULL);
|
|
if (!c->syscall_log)
|
|
return log_oom();
|
|
|
|
if (invert)
|
|
/* Log everything but the ones listed */
|
|
c->syscall_log_allow_list = false;
|
|
else
|
|
/* Log nothing but the ones listed */
|
|
c->syscall_log_allow_list = true;
|
|
}
|
|
|
|
p = rvalue;
|
|
for (;;) {
|
|
_cleanup_free_ char *word = NULL, *name = NULL;
|
|
int num;
|
|
|
|
r = extract_first_word(&p, &word, NULL, 0);
|
|
if (r == 0)
|
|
return 0;
|
|
if (r == -ENOMEM)
|
|
return log_oom();
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Invalid syntax, ignoring: %s", rvalue);
|
|
return 0;
|
|
}
|
|
|
|
r = parse_syscall_and_errno(word, &name, &num);
|
|
if (r < 0 || num >= 0) { /* errno code not allowed */
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to parse syscall, ignoring: %s", word);
|
|
continue;
|
|
}
|
|
|
|
r = seccomp_parse_syscall_filter(
|
|
name, 0, c->syscall_log,
|
|
SECCOMP_PARSE_LOG|SECCOMP_PARSE_PERMISSIVE|
|
|
(invert ? SECCOMP_PARSE_INVERT : 0)|
|
|
(c->syscall_log_allow_list ? SECCOMP_PARSE_ALLOW_LIST : 0),
|
|
unit, filename, line);
|
|
if (r < 0)
|
|
return r;
|
|
}
|
|
}
|
|
|
|
int config_parse_syscall_archs(
|
|
const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
Set **archs = data;
|
|
int r;
|
|
|
|
if (isempty(rvalue)) {
|
|
*archs = set_free(*archs);
|
|
return 0;
|
|
}
|
|
|
|
for (const char *p = rvalue;;) {
|
|
_cleanup_free_ char *word = NULL;
|
|
uint32_t a;
|
|
|
|
r = extract_first_word(&p, &word, NULL, EXTRACT_UNQUOTE);
|
|
if (r == 0)
|
|
return 0;
|
|
if (r == -ENOMEM)
|
|
return log_oom();
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r,
|
|
"Invalid syntax, ignoring: %s", rvalue);
|
|
return 0;
|
|
}
|
|
|
|
r = seccomp_arch_from_string(word, &a);
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r,
|
|
"Failed to parse system call architecture \"%s\", ignoring: %m", word);
|
|
continue;
|
|
}
|
|
|
|
r = set_ensure_put(archs, NULL, UINT32_TO_PTR(a + 1));
|
|
if (r < 0)
|
|
return log_oom();
|
|
}
|
|
}
|
|
|
|
int config_parse_syscall_errno(
|
|
const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
ExecContext *c = data;
|
|
int e;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
|
|
if (isempty(rvalue) || streq(rvalue, "kill")) {
|
|
/* Empty assignment resets to KILL */
|
|
c->syscall_errno = SECCOMP_ERROR_NUMBER_KILL;
|
|
return 0;
|
|
}
|
|
|
|
e = parse_errno(rvalue);
|
|
if (e <= 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, 0, "Failed to parse error number, ignoring: %s", rvalue);
|
|
return 0;
|
|
}
|
|
|
|
c->syscall_errno = e;
|
|
return 0;
|
|
}
|
|
|
|
int config_parse_address_families(
|
|
const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
ExecContext *c = data;
|
|
bool invert = false;
|
|
int r;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
|
|
if (isempty(rvalue)) {
|
|
/* Empty assignment resets the list */
|
|
c->address_families = set_free(c->address_families);
|
|
c->address_families_allow_list = false;
|
|
return 0;
|
|
}
|
|
|
|
if (rvalue[0] == '~') {
|
|
invert = true;
|
|
rvalue++;
|
|
}
|
|
|
|
if (!c->address_families) {
|
|
c->address_families = set_new(NULL);
|
|
if (!c->address_families)
|
|
return log_oom();
|
|
|
|
c->address_families_allow_list = !invert;
|
|
}
|
|
|
|
for (const char *p = rvalue;;) {
|
|
_cleanup_free_ char *word = NULL;
|
|
int af;
|
|
|
|
r = extract_first_word(&p, &word, NULL, EXTRACT_UNQUOTE);
|
|
if (r == 0)
|
|
return 0;
|
|
if (r == -ENOMEM)
|
|
return log_oom();
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r,
|
|
"Invalid syntax, ignoring: %s", rvalue);
|
|
return 0;
|
|
}
|
|
|
|
af = af_from_name(word);
|
|
if (af < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, af,
|
|
"Failed to parse address family, ignoring: %s", word);
|
|
continue;
|
|
}
|
|
|
|
/* If we previously wanted to forbid an address family and now
|
|
* we want to allow it, then just remove it from the list.
|
|
*/
|
|
if (!invert == c->address_families_allow_list) {
|
|
r = set_put(c->address_families, INT_TO_PTR(af));
|
|
if (r < 0)
|
|
return log_oom();
|
|
} else
|
|
set_remove(c->address_families, INT_TO_PTR(af));
|
|
}
|
|
}
|
|
|
|
int config_parse_restrict_namespaces(
|
|
const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
ExecContext *c = data;
|
|
unsigned long flags;
|
|
bool invert = false;
|
|
int r;
|
|
|
|
if (isempty(rvalue)) {
|
|
/* Reset to the default. */
|
|
c->restrict_namespaces = NAMESPACE_FLAGS_INITIAL;
|
|
return 0;
|
|
}
|
|
|
|
/* Boolean parameter ignores the previous settings */
|
|
r = parse_boolean(rvalue);
|
|
if (r > 0) {
|
|
c->restrict_namespaces = 0;
|
|
return 0;
|
|
} else if (r == 0) {
|
|
c->restrict_namespaces = NAMESPACE_FLAGS_ALL;
|
|
return 0;
|
|
}
|
|
|
|
if (rvalue[0] == '~') {
|
|
invert = true;
|
|
rvalue++;
|
|
}
|
|
|
|
/* Not a boolean argument, in this case it's a list of namespace types. */
|
|
r = namespace_flags_from_string(rvalue, &flags);
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to parse namespace type string, ignoring: %s", rvalue);
|
|
return 0;
|
|
}
|
|
|
|
if (c->restrict_namespaces == NAMESPACE_FLAGS_INITIAL)
|
|
/* Initial assignment. Just set the value. */
|
|
c->restrict_namespaces = invert ? (~flags) & NAMESPACE_FLAGS_ALL : flags;
|
|
else
|
|
/* Merge the value with the previous one. */
|
|
SET_FLAG(c->restrict_namespaces, flags, !invert);
|
|
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
int config_parse_unit_slice(
|
|
const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
|
|
_cleanup_free_ char *k = NULL;
|
|
Unit *u = userdata, *slice;
|
|
int r;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
assert(u);
|
|
|
|
r = unit_name_printf(u, rvalue, &k);
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to resolve unit specifiers in %s, ignoring: %m", rvalue);
|
|
return 0;
|
|
}
|
|
|
|
r = manager_load_unit(u->manager, k, NULL, &error, &slice);
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to load slice unit %s, ignoring: %s", k, bus_error_message(&error, r));
|
|
return 0;
|
|
}
|
|
|
|
r = unit_set_slice(u, slice);
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to assign slice %s to unit %s, ignoring: %m", slice->id, u->id);
|
|
return 0;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int config_parse_cpu_quota(
|
|
const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
CGroupContext *c = data;
|
|
int r;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
|
|
if (isempty(rvalue)) {
|
|
c->cpu_quota_per_sec_usec = USEC_INFINITY;
|
|
return 0;
|
|
}
|
|
|
|
r = parse_permille_unbounded(rvalue);
|
|
if (r <= 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Invalid CPU quota '%s', ignoring.", rvalue);
|
|
return 0;
|
|
}
|
|
|
|
c->cpu_quota_per_sec_usec = ((usec_t) r * USEC_PER_SEC) / 1000U;
|
|
return 0;
|
|
}
|
|
|
|
int config_parse_allowed_cpus(
|
|
const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
CGroupContext *c = data;
|
|
|
|
(void) parse_cpu_set_extend(rvalue, &c->cpuset_cpus, true, unit, filename, line, lvalue);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int config_parse_allowed_mems(
|
|
const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
CGroupContext *c = data;
|
|
|
|
(void) parse_cpu_set_extend(rvalue, &c->cpuset_mems, true, unit, filename, line, lvalue);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int config_parse_memory_limit(
|
|
const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
CGroupContext *c = data;
|
|
uint64_t bytes = CGROUP_LIMIT_MAX;
|
|
int r;
|
|
|
|
if (isempty(rvalue) && STR_IN_SET(lvalue, "DefaultMemoryLow",
|
|
"DefaultMemoryMin",
|
|
"MemoryLow",
|
|
"MemoryMin"))
|
|
bytes = CGROUP_LIMIT_MIN;
|
|
else if (!isempty(rvalue) && !streq(rvalue, "infinity")) {
|
|
|
|
r = parse_permille(rvalue);
|
|
if (r < 0) {
|
|
r = parse_size(rvalue, 1024, &bytes);
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Invalid memory limit '%s', ignoring: %m", rvalue);
|
|
return 0;
|
|
}
|
|
} else
|
|
bytes = physical_memory_scale(r, 1000U);
|
|
|
|
if (bytes >= UINT64_MAX ||
|
|
(bytes <= 0 && !STR_IN_SET(lvalue, "MemorySwapMax", "MemoryLow", "MemoryMin", "DefaultMemoryLow", "DefaultMemoryMin"))) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, 0, "Memory limit '%s' out of range, ignoring.", rvalue);
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
if (streq(lvalue, "DefaultMemoryLow")) {
|
|
c->default_memory_low = bytes;
|
|
c->default_memory_low_set = true;
|
|
} else if (streq(lvalue, "DefaultMemoryMin")) {
|
|
c->default_memory_min = bytes;
|
|
c->default_memory_min_set = true;
|
|
} else if (streq(lvalue, "MemoryMin")) {
|
|
c->memory_min = bytes;
|
|
c->memory_min_set = true;
|
|
} else if (streq(lvalue, "MemoryLow")) {
|
|
c->memory_low = bytes;
|
|
c->memory_low_set = true;
|
|
} else if (streq(lvalue, "MemoryHigh"))
|
|
c->memory_high = bytes;
|
|
else if (streq(lvalue, "MemoryMax"))
|
|
c->memory_max = bytes;
|
|
else if (streq(lvalue, "MemorySwapMax"))
|
|
c->memory_swap_max = bytes;
|
|
else if (streq(lvalue, "MemoryLimit"))
|
|
c->memory_limit = bytes;
|
|
else
|
|
return -EINVAL;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int config_parse_tasks_max(
|
|
const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
const Unit *u = userdata;
|
|
TasksMax *tasks_max = data;
|
|
uint64_t v;
|
|
int r;
|
|
|
|
if (isempty(rvalue)) {
|
|
*tasks_max = u ? u->manager->default_tasks_max : TASKS_MAX_UNSET;
|
|
return 0;
|
|
}
|
|
|
|
if (streq(rvalue, "infinity")) {
|
|
*tasks_max = TASKS_MAX_UNSET;
|
|
return 0;
|
|
}
|
|
|
|
r = parse_permille(rvalue);
|
|
if (r >= 0)
|
|
*tasks_max = (TasksMax) { r, 1000U }; /* r‰ */
|
|
else {
|
|
r = safe_atou64(rvalue, &v);
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Invalid maximum tasks value '%s', ignoring: %m", rvalue);
|
|
return 0;
|
|
}
|
|
|
|
if (v <= 0 || v >= UINT64_MAX) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, 0, "Maximum tasks value '%s' out of range, ignoring.", rvalue);
|
|
return 0;
|
|
}
|
|
|
|
*tasks_max = (TasksMax) { v };
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int config_parse_delegate(
|
|
const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
CGroupContext *c = data;
|
|
UnitType t;
|
|
int r;
|
|
|
|
t = unit_name_to_type(unit);
|
|
assert(t != _UNIT_TYPE_INVALID);
|
|
|
|
if (!unit_vtable[t]->can_delegate) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, 0, "Delegate= setting not supported for this unit type, ignoring.");
|
|
return 0;
|
|
}
|
|
|
|
/* We either accept a boolean value, which may be used to turn on delegation for all controllers, or turn it
|
|
* off for all. Or it takes a list of controller names, in which case we add the specified controllers to the
|
|
* mask to delegate. */
|
|
|
|
if (isempty(rvalue)) {
|
|
/* An empty string resets controllers and set Delegate=yes. */
|
|
c->delegate = true;
|
|
c->delegate_controllers = 0;
|
|
return 0;
|
|
}
|
|
|
|
r = parse_boolean(rvalue);
|
|
if (r < 0) {
|
|
CGroupMask mask = 0;
|
|
|
|
for (const char *p = rvalue;;) {
|
|
_cleanup_free_ char *word = NULL;
|
|
CGroupController cc;
|
|
|
|
r = extract_first_word(&p, &word, NULL, EXTRACT_UNQUOTE);
|
|
if (r == 0)
|
|
break;
|
|
if (r == -ENOMEM)
|
|
return log_oom();
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Invalid syntax, ignoring: %s", rvalue);
|
|
return 0;
|
|
}
|
|
|
|
cc = cgroup_controller_from_string(word);
|
|
if (cc < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Invalid controller name '%s', ignoring", word);
|
|
continue;
|
|
}
|
|
|
|
mask |= CGROUP_CONTROLLER_TO_MASK(cc);
|
|
}
|
|
|
|
c->delegate = true;
|
|
c->delegate_controllers |= mask;
|
|
|
|
} else if (r > 0) {
|
|
c->delegate = true;
|
|
c->delegate_controllers = _CGROUP_MASK_ALL;
|
|
} else {
|
|
c->delegate = false;
|
|
c->delegate_controllers = 0;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int config_parse_managed_oom_mode(
|
|
const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
ManagedOOMMode *mode = data, m;
|
|
UnitType t;
|
|
|
|
t = unit_name_to_type(unit);
|
|
assert(t != _UNIT_TYPE_INVALID);
|
|
|
|
if (!unit_vtable[t]->can_set_managed_oom)
|
|
return log_syntax(unit, LOG_WARNING, filename, line, 0, "%s= is not supported for this unit type, ignoring.", lvalue);
|
|
|
|
if (isempty(rvalue)) {
|
|
*mode = MANAGED_OOM_AUTO;
|
|
return 0;
|
|
}
|
|
|
|
m = managed_oom_mode_from_string(rvalue);
|
|
if (m < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, 0, "Invalid syntax, ignoring: %s", rvalue);
|
|
return 0;
|
|
}
|
|
*mode = m;
|
|
return 0;
|
|
}
|
|
|
|
int config_parse_managed_oom_mem_pressure_limit(
|
|
const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
int *limit = data;
|
|
UnitType t;
|
|
int r;
|
|
|
|
t = unit_name_to_type(unit);
|
|
assert(t != _UNIT_TYPE_INVALID);
|
|
|
|
if (!unit_vtable[t]->can_set_managed_oom)
|
|
return log_syntax(unit, LOG_WARNING, filename, line, 0, "%s= is not supported for this unit type, ignoring.", lvalue);
|
|
|
|
if (isempty(rvalue)) {
|
|
*limit = 0;
|
|
return 0;
|
|
}
|
|
|
|
r = parse_percent(rvalue);
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to parse limit percent value, ignoring: %s", rvalue);
|
|
return 0;
|
|
}
|
|
|
|
*limit = r;
|
|
return 0;
|
|
}
|
|
|
|
int config_parse_device_allow(
|
|
const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
_cleanup_free_ char *path = NULL, *resolved = NULL;
|
|
CGroupContext *c = data;
|
|
const char *p = rvalue;
|
|
int r;
|
|
|
|
if (isempty(rvalue)) {
|
|
while (c->device_allow)
|
|
cgroup_context_free_device_allow(c, c->device_allow);
|
|
|
|
return 0;
|
|
}
|
|
|
|
r = extract_first_word(&p, &path, NULL, EXTRACT_UNQUOTE);
|
|
if (r == -ENOMEM)
|
|
return log_oom();
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r,
|
|
"Invalid syntax, ignoring: %s", rvalue);
|
|
return 0;
|
|
}
|
|
if (r == 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, 0,
|
|
"Failed to extract device path and rights from '%s', ignoring.", rvalue);
|
|
return 0;
|
|
}
|
|
|
|
r = unit_full_printf(userdata, path, &resolved);
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r,
|
|
"Failed to resolve unit specifiers in '%s', ignoring: %m", path);
|
|
return 0;
|
|
}
|
|
|
|
if (!STARTSWITH_SET(resolved, "block-", "char-")) {
|
|
|
|
r = path_simplify_and_warn(resolved, 0, unit, filename, line, lvalue);
|
|
if (r < 0)
|
|
return 0;
|
|
|
|
if (!valid_device_node_path(resolved)) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, 0, "Invalid device node path '%s', ignoring.", resolved);
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
if (!isempty(p) && !in_charset(p, "rwm")) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, 0, "Invalid device rights '%s', ignoring.", p);
|
|
return 0;
|
|
}
|
|
|
|
return cgroup_add_device_allow(c, resolved, p);
|
|
}
|
|
|
|
int config_parse_io_device_weight(
|
|
const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
_cleanup_free_ char *path = NULL, *resolved = NULL;
|
|
CGroupIODeviceWeight *w;
|
|
CGroupContext *c = data;
|
|
const char *p = rvalue;
|
|
uint64_t u;
|
|
int r;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
|
|
if (isempty(rvalue)) {
|
|
while (c->io_device_weights)
|
|
cgroup_context_free_io_device_weight(c, c->io_device_weights);
|
|
|
|
return 0;
|
|
}
|
|
|
|
r = extract_first_word(&p, &path, NULL, EXTRACT_UNQUOTE);
|
|
if (r == -ENOMEM)
|
|
return log_oom();
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r,
|
|
"Invalid syntax, ignoring: %s", rvalue);
|
|
return 0;
|
|
}
|
|
if (r == 0 || isempty(p)) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, 0,
|
|
"Failed to extract device path and weight from '%s', ignoring.", rvalue);
|
|
return 0;
|
|
}
|
|
|
|
r = unit_full_printf(userdata, path, &resolved);
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r,
|
|
"Failed to resolve unit specifiers in '%s', ignoring: %m", path);
|
|
return 0;
|
|
}
|
|
|
|
r = path_simplify_and_warn(resolved, 0, unit, filename, line, lvalue);
|
|
if (r < 0)
|
|
return 0;
|
|
|
|
r = cg_weight_parse(p, &u);
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "IO weight '%s' invalid, ignoring: %m", p);
|
|
return 0;
|
|
}
|
|
|
|
assert(u != CGROUP_WEIGHT_INVALID);
|
|
|
|
w = new0(CGroupIODeviceWeight, 1);
|
|
if (!w)
|
|
return log_oom();
|
|
|
|
w->path = TAKE_PTR(resolved);
|
|
w->weight = u;
|
|
|
|
LIST_PREPEND(device_weights, c->io_device_weights, w);
|
|
return 0;
|
|
}
|
|
|
|
int config_parse_io_device_latency(
|
|
const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
_cleanup_free_ char *path = NULL, *resolved = NULL;
|
|
CGroupIODeviceLatency *l;
|
|
CGroupContext *c = data;
|
|
const char *p = rvalue;
|
|
usec_t usec;
|
|
int r;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
|
|
if (isempty(rvalue)) {
|
|
while (c->io_device_latencies)
|
|
cgroup_context_free_io_device_latency(c, c->io_device_latencies);
|
|
|
|
return 0;
|
|
}
|
|
|
|
r = extract_first_word(&p, &path, NULL, EXTRACT_UNQUOTE);
|
|
if (r == -ENOMEM)
|
|
return log_oom();
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r,
|
|
"Invalid syntax, ignoring: %s", rvalue);
|
|
return 0;
|
|
}
|
|
if (r == 0 || isempty(p)) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, 0,
|
|
"Failed to extract device path and latency from '%s', ignoring.", rvalue);
|
|
return 0;
|
|
}
|
|
|
|
r = unit_full_printf(userdata, path, &resolved);
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r,
|
|
"Failed to resolve unit specifiers in '%s', ignoring: %m", path);
|
|
return 0;
|
|
}
|
|
|
|
r = path_simplify_and_warn(resolved, 0, unit, filename, line, lvalue);
|
|
if (r < 0)
|
|
return 0;
|
|
|
|
r = parse_sec(p, &usec);
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to parse timer value, ignoring: %s", p);
|
|
return 0;
|
|
}
|
|
|
|
l = new0(CGroupIODeviceLatency, 1);
|
|
if (!l)
|
|
return log_oom();
|
|
|
|
l->path = TAKE_PTR(resolved);
|
|
l->target_usec = usec;
|
|
|
|
LIST_PREPEND(device_latencies, c->io_device_latencies, l);
|
|
return 0;
|
|
}
|
|
|
|
int config_parse_io_limit(
|
|
const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
_cleanup_free_ char *path = NULL, *resolved = NULL;
|
|
CGroupIODeviceLimit *l = NULL, *t;
|
|
CGroupContext *c = data;
|
|
CGroupIOLimitType type;
|
|
const char *p = rvalue;
|
|
uint64_t num;
|
|
int r;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
|
|
type = cgroup_io_limit_type_from_string(lvalue);
|
|
assert(type >= 0);
|
|
|
|
if (isempty(rvalue)) {
|
|
LIST_FOREACH(device_limits, l, c->io_device_limits)
|
|
l->limits[type] = cgroup_io_limit_defaults[type];
|
|
return 0;
|
|
}
|
|
|
|
r = extract_first_word(&p, &path, NULL, EXTRACT_UNQUOTE);
|
|
if (r == -ENOMEM)
|
|
return log_oom();
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r,
|
|
"Invalid syntax, ignoring: %s", rvalue);
|
|
return 0;
|
|
}
|
|
if (r == 0 || isempty(p)) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, 0,
|
|
"Failed to extract device node and bandwidth from '%s', ignoring.", rvalue);
|
|
return 0;
|
|
}
|
|
|
|
r = unit_full_printf(userdata, path, &resolved);
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r,
|
|
"Failed to resolve unit specifiers in '%s', ignoring: %m", path);
|
|
return 0;
|
|
}
|
|
|
|
r = path_simplify_and_warn(resolved, 0, unit, filename, line, lvalue);
|
|
if (r < 0)
|
|
return 0;
|
|
|
|
if (streq("infinity", p))
|
|
num = CGROUP_LIMIT_MAX;
|
|
else {
|
|
r = parse_size(p, 1000, &num);
|
|
if (r < 0 || num <= 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, 0, "Invalid IO limit '%s', ignoring.", p);
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
LIST_FOREACH(device_limits, t, c->io_device_limits) {
|
|
if (path_equal(resolved, t->path)) {
|
|
l = t;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!l) {
|
|
CGroupIOLimitType ttype;
|
|
|
|
l = new0(CGroupIODeviceLimit, 1);
|
|
if (!l)
|
|
return log_oom();
|
|
|
|
l->path = TAKE_PTR(resolved);
|
|
for (ttype = 0; ttype < _CGROUP_IO_LIMIT_TYPE_MAX; ttype++)
|
|
l->limits[ttype] = cgroup_io_limit_defaults[ttype];
|
|
|
|
LIST_PREPEND(device_limits, c->io_device_limits, l);
|
|
}
|
|
|
|
l->limits[type] = num;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int config_parse_blockio_device_weight(
|
|
const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
_cleanup_free_ char *path = NULL, *resolved = NULL;
|
|
CGroupBlockIODeviceWeight *w;
|
|
CGroupContext *c = data;
|
|
const char *p = rvalue;
|
|
uint64_t u;
|
|
int r;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
|
|
if (isempty(rvalue)) {
|
|
while (c->blockio_device_weights)
|
|
cgroup_context_free_blockio_device_weight(c, c->blockio_device_weights);
|
|
|
|
return 0;
|
|
}
|
|
|
|
r = extract_first_word(&p, &path, NULL, EXTRACT_UNQUOTE);
|
|
if (r == -ENOMEM)
|
|
return log_oom();
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r,
|
|
"Invalid syntax, ignoring: %s", rvalue);
|
|
return 0;
|
|
}
|
|
if (r == 0 || isempty(p)) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, 0,
|
|
"Failed to extract device node and weight from '%s', ignoring.", rvalue);
|
|
return 0;
|
|
}
|
|
|
|
r = unit_full_printf(userdata, path, &resolved);
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r,
|
|
"Failed to resolve unit specifiers in '%s', ignoring: %m", path);
|
|
return 0;
|
|
}
|
|
|
|
r = path_simplify_and_warn(resolved, 0, unit, filename, line, lvalue);
|
|
if (r < 0)
|
|
return 0;
|
|
|
|
r = cg_blkio_weight_parse(p, &u);
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Invalid block IO weight '%s', ignoring: %m", p);
|
|
return 0;
|
|
}
|
|
|
|
assert(u != CGROUP_BLKIO_WEIGHT_INVALID);
|
|
|
|
w = new0(CGroupBlockIODeviceWeight, 1);
|
|
if (!w)
|
|
return log_oom();
|
|
|
|
w->path = TAKE_PTR(resolved);
|
|
w->weight = u;
|
|
|
|
LIST_PREPEND(device_weights, c->blockio_device_weights, w);
|
|
return 0;
|
|
}
|
|
|
|
int config_parse_blockio_bandwidth(
|
|
const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
_cleanup_free_ char *path = NULL, *resolved = NULL;
|
|
CGroupBlockIODeviceBandwidth *b = NULL, *t;
|
|
CGroupContext *c = data;
|
|
const char *p = rvalue;
|
|
uint64_t bytes;
|
|
bool read;
|
|
int r;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
|
|
read = streq("BlockIOReadBandwidth", lvalue);
|
|
|
|
if (isempty(rvalue)) {
|
|
LIST_FOREACH(device_bandwidths, b, c->blockio_device_bandwidths) {
|
|
b->rbps = CGROUP_LIMIT_MAX;
|
|
b->wbps = CGROUP_LIMIT_MAX;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
r = extract_first_word(&p, &path, NULL, EXTRACT_UNQUOTE);
|
|
if (r == -ENOMEM)
|
|
return log_oom();
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r,
|
|
"Invalid syntax, ignoring: %s", rvalue);
|
|
return 0;
|
|
}
|
|
if (r == 0 || isempty(p)) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, 0,
|
|
"Failed to extract device node and bandwidth from '%s', ignoring.", rvalue);
|
|
return 0;
|
|
}
|
|
|
|
r = unit_full_printf(userdata, path, &resolved);
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r,
|
|
"Failed to resolve unit specifiers in '%s', ignoring: %m", path);
|
|
return 0;
|
|
}
|
|
|
|
r = path_simplify_and_warn(resolved, 0, unit, filename, line, lvalue);
|
|
if (r < 0)
|
|
return 0;
|
|
|
|
r = parse_size(p, 1000, &bytes);
|
|
if (r < 0 || bytes <= 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Invalid Block IO Bandwidth '%s', ignoring.", p);
|
|
return 0;
|
|
}
|
|
|
|
LIST_FOREACH(device_bandwidths, t, c->blockio_device_bandwidths) {
|
|
if (path_equal(resolved, t->path)) {
|
|
b = t;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!t) {
|
|
b = new0(CGroupBlockIODeviceBandwidth, 1);
|
|
if (!b)
|
|
return log_oom();
|
|
|
|
b->path = TAKE_PTR(resolved);
|
|
b->rbps = CGROUP_LIMIT_MAX;
|
|
b->wbps = CGROUP_LIMIT_MAX;
|
|
|
|
LIST_PREPEND(device_bandwidths, c->blockio_device_bandwidths, b);
|
|
}
|
|
|
|
if (read)
|
|
b->rbps = bytes;
|
|
else
|
|
b->wbps = bytes;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int config_parse_job_mode_isolate(
|
|
const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
JobMode *m = data;
|
|
int r;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
|
|
r = parse_boolean(rvalue);
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to parse boolean, ignoring: %s", rvalue);
|
|
return 0;
|
|
}
|
|
|
|
log_notice("%s is deprecated. Please use OnFailureJobMode= instead", lvalue);
|
|
|
|
*m = r ? JOB_ISOLATE : JOB_REPLACE;
|
|
return 0;
|
|
}
|
|
|
|
int config_parse_exec_directories(
|
|
const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
char***rt = data;
|
|
const Unit *u = userdata;
|
|
int r;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
assert(data);
|
|
|
|
if (isempty(rvalue)) {
|
|
/* Empty assignment resets the list */
|
|
*rt = strv_free(*rt);
|
|
return 0;
|
|
}
|
|
|
|
for (const char *p = rvalue;;) {
|
|
_cleanup_free_ char *word = NULL, *k = NULL;
|
|
|
|
r = extract_first_word(&p, &word, NULL, EXTRACT_UNQUOTE);
|
|
if (r == -ENOMEM)
|
|
return log_oom();
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r,
|
|
"Invalid syntax, ignoring: %s", rvalue);
|
|
return 0;
|
|
}
|
|
if (r == 0)
|
|
return 0;
|
|
|
|
r = unit_full_printf(u, word, &k);
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r,
|
|
"Failed to resolve unit specifiers in \"%s\", ignoring: %m", word);
|
|
continue;
|
|
}
|
|
|
|
r = path_simplify_and_warn(k, PATH_CHECK_RELATIVE, unit, filename, line, lvalue);
|
|
if (r < 0)
|
|
continue;
|
|
|
|
if (path_startswith(k, "private")) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, 0,
|
|
"%s= path can't be 'private', ignoring assignment: %s", lvalue, word);
|
|
continue;
|
|
}
|
|
|
|
r = strv_push(rt, k);
|
|
if (r < 0)
|
|
return log_oom();
|
|
k = NULL;
|
|
}
|
|
}
|
|
|
|
int config_parse_set_credential(
|
|
const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
_cleanup_free_ char *word = NULL, *k = NULL, *unescaped = NULL;
|
|
ExecContext *context = data;
|
|
ExecSetCredential *old;
|
|
Unit *u = userdata;
|
|
const char *p;
|
|
int r, l;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
assert(context);
|
|
|
|
if (isempty(rvalue)) {
|
|
/* Empty assignment resets the list */
|
|
context->set_credentials = hashmap_free(context->set_credentials);
|
|
return 0;
|
|
}
|
|
|
|
p = rvalue;
|
|
r = extract_first_word(&p, &word, ":", EXTRACT_DONT_COALESCE_SEPARATORS);
|
|
if (r == -ENOMEM)
|
|
return log_oom();
|
|
if (r <= 0 || !p) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Invalid syntax, ignoring: %s", rvalue);
|
|
return 0;
|
|
}
|
|
|
|
r = unit_full_printf(u, word, &k);
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to resolve unit specifiers in \"%s\", ignoring: %m", word);
|
|
return 0;
|
|
}
|
|
if (!credential_name_valid(k)) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, 0, "Credential name \"%s\" not valid, ignoring.", k);
|
|
return 0;
|
|
}
|
|
|
|
/* We support escape codes here, so that users can insert trailing \n if they like */
|
|
l = cunescape(p, UNESCAPE_ACCEPT_NUL, &unescaped);
|
|
if (l < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, l, "Can't unescape \"%s\", ignoring: %m", p);
|
|
return 0;
|
|
}
|
|
|
|
old = hashmap_get(context->set_credentials, k);
|
|
if (old) {
|
|
free_and_replace(old->data, unescaped);
|
|
old->size = l;
|
|
} else {
|
|
_cleanup_(exec_set_credential_freep) ExecSetCredential *sc = NULL;
|
|
|
|
sc = new0(ExecSetCredential, 1);
|
|
if (!sc)
|
|
return log_oom();
|
|
|
|
sc->id = TAKE_PTR(k);
|
|
sc->data = TAKE_PTR(unescaped);
|
|
sc->size = l;
|
|
|
|
r = hashmap_ensure_allocated(&context->set_credentials, &exec_set_credential_hash_ops);
|
|
if (r < 0)
|
|
return r;
|
|
|
|
r = hashmap_put(context->set_credentials, sc->id, sc);
|
|
if (r < 0)
|
|
return log_oom();
|
|
|
|
TAKE_PTR(sc);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int config_parse_load_credential(
|
|
const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
_cleanup_free_ char *word = NULL, *k = NULL, *q = NULL;
|
|
ExecContext *context = data;
|
|
Unit *u = userdata;
|
|
const char *p;
|
|
int r;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
assert(context);
|
|
|
|
if (isempty(rvalue)) {
|
|
/* Empty assignment resets the list */
|
|
context->load_credentials = strv_free(context->load_credentials);
|
|
return 0;
|
|
}
|
|
|
|
p = rvalue;
|
|
r = extract_first_word(&p, &word, ":", EXTRACT_DONT_COALESCE_SEPARATORS);
|
|
if (r == -ENOMEM)
|
|
return log_oom();
|
|
if (r <= 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Invalid syntax, ignoring: %s", rvalue);
|
|
return 0;
|
|
}
|
|
|
|
r = unit_full_printf(u, word, &k);
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to resolve unit specifiers in \"%s\", ignoring: %m", word);
|
|
return 0;
|
|
}
|
|
if (!credential_name_valid(k)) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, 0, "Credential name \"%s\" not valid, ignoring.", k);
|
|
return 0;
|
|
}
|
|
r = unit_full_printf(u, p, &q);
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to resolve unit specifiers in \"%s\", ignoring: %m", p);
|
|
return 0;
|
|
}
|
|
if (path_is_absolute(q) ? !path_is_normalized(q) : !credential_name_valid(q)) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Credential source \"%s\" not valid, ignoring.", q);
|
|
return 0;
|
|
}
|
|
|
|
r = strv_consume_pair(&context->load_credentials, TAKE_PTR(k), TAKE_PTR(q));
|
|
if (r < 0)
|
|
return log_oom();
|
|
|
|
return 0;
|
|
}
|
|
|
|
int config_parse_set_status(
|
|
const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
ExitStatusSet *status_set = data;
|
|
int r;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
assert(status_set);
|
|
|
|
/* Empty assignment resets the list */
|
|
if (isempty(rvalue)) {
|
|
exit_status_set_free(status_set);
|
|
return 0;
|
|
}
|
|
|
|
for (const char *p = rvalue;;) {
|
|
_cleanup_free_ char *word = NULL;
|
|
Bitmap *bitmap;
|
|
|
|
r = extract_first_word(&p, &word, NULL, 0);
|
|
if (r == -ENOMEM)
|
|
return log_oom();
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r,
|
|
"Failed to parse %s=%s, ignoring: %m", lvalue, rvalue);
|
|
return 0;
|
|
}
|
|
if (r == 0)
|
|
return 0;
|
|
|
|
/* We need to call exit_status_from_string() first, because we want
|
|
* to parse numbers as exit statuses, not signals. */
|
|
|
|
r = exit_status_from_string(word);
|
|
if (r >= 0) {
|
|
assert(r >= 0 && r < 256);
|
|
bitmap = &status_set->status;
|
|
} else {
|
|
r = signal_from_string(word);
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, 0,
|
|
"Failed to parse value, ignoring: %s", word);
|
|
continue;
|
|
}
|
|
bitmap = &status_set->signal;
|
|
}
|
|
|
|
r = bitmap_set(bitmap, r);
|
|
if (r < 0)
|
|
log_syntax(unit, LOG_WARNING, filename, line, r,
|
|
"Failed to set signal or status %s, ignoring: %m", word);
|
|
}
|
|
}
|
|
|
|
int config_parse_namespace_path_strv(
|
|
const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
const Unit *u = userdata;
|
|
char*** sv = data;
|
|
int r;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
assert(data);
|
|
|
|
if (isempty(rvalue)) {
|
|
/* Empty assignment resets the list */
|
|
*sv = strv_free(*sv);
|
|
return 0;
|
|
}
|
|
|
|
for (const char *p = rvalue;;) {
|
|
_cleanup_free_ char *word = NULL, *resolved = NULL, *joined = NULL;
|
|
const char *w;
|
|
bool ignore_enoent = false, shall_prefix = false;
|
|
|
|
r = extract_first_word(&p, &word, NULL, EXTRACT_UNQUOTE);
|
|
if (r == 0)
|
|
break;
|
|
if (r == -ENOMEM)
|
|
return log_oom();
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to extract first word, ignoring: %s", rvalue);
|
|
return 0;
|
|
}
|
|
|
|
w = word;
|
|
if (startswith(w, "-")) {
|
|
ignore_enoent = true;
|
|
w++;
|
|
}
|
|
if (startswith(w, "+")) {
|
|
shall_prefix = true;
|
|
w++;
|
|
}
|
|
|
|
r = unit_full_printf(u, w, &resolved);
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to resolve unit specifiers in %s: %m", w);
|
|
continue;
|
|
}
|
|
|
|
r = path_simplify_and_warn(resolved, PATH_CHECK_ABSOLUTE, unit, filename, line, lvalue);
|
|
if (r < 0)
|
|
continue;
|
|
|
|
joined = strjoin(ignore_enoent ? "-" : "",
|
|
shall_prefix ? "+" : "",
|
|
resolved);
|
|
|
|
r = strv_push(sv, joined);
|
|
if (r < 0)
|
|
return log_oom();
|
|
|
|
joined = NULL;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int config_parse_temporary_filesystems(
|
|
const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
const Unit *u = userdata;
|
|
ExecContext *c = data;
|
|
int r;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
assert(data);
|
|
|
|
if (isempty(rvalue)) {
|
|
/* Empty assignment resets the list */
|
|
temporary_filesystem_free_many(c->temporary_filesystems, c->n_temporary_filesystems);
|
|
c->temporary_filesystems = NULL;
|
|
c->n_temporary_filesystems = 0;
|
|
return 0;
|
|
}
|
|
|
|
for (const char *p = rvalue;;) {
|
|
_cleanup_free_ char *word = NULL, *path = NULL, *resolved = NULL;
|
|
const char *w;
|
|
|
|
r = extract_first_word(&p, &word, NULL, EXTRACT_UNQUOTE);
|
|
if (r == 0)
|
|
return 0;
|
|
if (r == -ENOMEM)
|
|
return log_oom();
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to extract first word, ignoring: %s", rvalue);
|
|
return 0;
|
|
}
|
|
|
|
w = word;
|
|
r = extract_first_word(&w, &path, ":", EXTRACT_DONT_COALESCE_SEPARATORS);
|
|
if (r == -ENOMEM)
|
|
return log_oom();
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to extract first word, ignoring: %s", word);
|
|
continue;
|
|
}
|
|
if (r == 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, 0, "Invalid syntax, ignoring: %s", word);
|
|
continue;
|
|
}
|
|
|
|
r = unit_full_printf(u, path, &resolved);
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to resolve unit specifiers in %s, ignoring: %m", path);
|
|
continue;
|
|
}
|
|
|
|
r = path_simplify_and_warn(resolved, PATH_CHECK_ABSOLUTE, unit, filename, line, lvalue);
|
|
if (r < 0)
|
|
continue;
|
|
|
|
r = temporary_filesystem_add(&c->temporary_filesystems, &c->n_temporary_filesystems, resolved, w);
|
|
if (r < 0)
|
|
return log_oom();
|
|
}
|
|
}
|
|
|
|
int config_parse_bind_paths(
|
|
const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
ExecContext *c = data;
|
|
const Unit *u = userdata;
|
|
int r;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
assert(data);
|
|
|
|
if (isempty(rvalue)) {
|
|
/* Empty assignment resets the list */
|
|
bind_mount_free_many(c->bind_mounts, c->n_bind_mounts);
|
|
c->bind_mounts = NULL;
|
|
c->n_bind_mounts = 0;
|
|
return 0;
|
|
}
|
|
|
|
for (const char *p = rvalue;;) {
|
|
_cleanup_free_ char *source = NULL, *destination = NULL;
|
|
_cleanup_free_ char *sresolved = NULL, *dresolved = NULL;
|
|
char *s = NULL, *d = NULL;
|
|
bool rbind = true, ignore_enoent = false;
|
|
|
|
r = extract_first_word(&p, &source, ":" WHITESPACE, EXTRACT_UNQUOTE|EXTRACT_DONT_COALESCE_SEPARATORS);
|
|
if (r == 0)
|
|
break;
|
|
if (r == -ENOMEM)
|
|
return log_oom();
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to parse %s, ignoring: %s", lvalue, rvalue);
|
|
return 0;
|
|
}
|
|
|
|
r = unit_full_printf(u, source, &sresolved);
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r,
|
|
"Failed to resolve unit specifiers in \"%s\", ignoring: %m", source);
|
|
continue;
|
|
}
|
|
|
|
s = sresolved;
|
|
if (s[0] == '-') {
|
|
ignore_enoent = true;
|
|
s++;
|
|
}
|
|
|
|
r = path_simplify_and_warn(s, PATH_CHECK_ABSOLUTE, unit, filename, line, lvalue);
|
|
if (r < 0)
|
|
continue;
|
|
|
|
/* Optionally, the destination is specified. */
|
|
if (p && p[-1] == ':') {
|
|
r = extract_first_word(&p, &destination, ":" WHITESPACE, EXTRACT_UNQUOTE|EXTRACT_DONT_COALESCE_SEPARATORS);
|
|
if (r == -ENOMEM)
|
|
return log_oom();
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to parse %s, ignoring: %s", lvalue, rvalue);
|
|
return 0;
|
|
}
|
|
if (r == 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, 0, "Missing argument after ':', ignoring: %s", s);
|
|
continue;
|
|
}
|
|
|
|
r = unit_full_printf(u, destination, &dresolved);
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r,
|
|
"Failed to resolve specifiers in \"%s\", ignoring: %m", destination);
|
|
continue;
|
|
}
|
|
|
|
r = path_simplify_and_warn(dresolved, PATH_CHECK_ABSOLUTE, unit, filename, line, lvalue);
|
|
if (r < 0)
|
|
continue;
|
|
|
|
d = dresolved;
|
|
|
|
/* Optionally, there's also a short option string specified */
|
|
if (p && p[-1] == ':') {
|
|
_cleanup_free_ char *options = NULL;
|
|
|
|
r = extract_first_word(&p, &options, NULL, EXTRACT_UNQUOTE);
|
|
if (r == -ENOMEM)
|
|
return log_oom();
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to parse %s: %s", lvalue, rvalue);
|
|
return 0;
|
|
}
|
|
|
|
if (isempty(options) || streq(options, "rbind"))
|
|
rbind = true;
|
|
else if (streq(options, "norbind"))
|
|
rbind = false;
|
|
else {
|
|
log_syntax(unit, LOG_WARNING, filename, line, 0, "Invalid option string, ignoring setting: %s", options);
|
|
continue;
|
|
}
|
|
}
|
|
} else
|
|
d = s;
|
|
|
|
r = bind_mount_add(&c->bind_mounts, &c->n_bind_mounts,
|
|
&(BindMount) {
|
|
.source = s,
|
|
.destination = d,
|
|
.read_only = !!strstr(lvalue, "ReadOnly"),
|
|
.recursive = rbind,
|
|
.ignore_enoent = ignore_enoent,
|
|
});
|
|
if (r < 0)
|
|
return log_oom();
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int config_parse_mount_images(
|
|
const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
ExecContext *c = data;
|
|
const Unit *u = userdata;
|
|
int r;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
assert(data);
|
|
|
|
if (isempty(rvalue)) {
|
|
/* Empty assignment resets the list */
|
|
c->mount_images = mount_image_free_many(c->mount_images, &c->n_mount_images);
|
|
return 0;
|
|
}
|
|
|
|
for (const char *p = rvalue;;) {
|
|
_cleanup_(mount_options_free_allp) MountOptions *options = NULL;
|
|
_cleanup_free_ char *first = NULL, *second = NULL, *tuple = NULL;
|
|
_cleanup_free_ char *sresolved = NULL, *dresolved = NULL;
|
|
const char *q = NULL;
|
|
char *s = NULL;
|
|
bool permissive = false;
|
|
|
|
r = extract_first_word(&p, &tuple, NULL, EXTRACT_UNQUOTE|EXTRACT_RETAIN_ESCAPE);
|
|
if (r == -ENOMEM)
|
|
return log_oom();
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r,
|
|
"Invalid syntax %s=%s, ignoring: %m", lvalue, rvalue);
|
|
return 0;
|
|
}
|
|
if (r == 0)
|
|
return 0;
|
|
|
|
q = tuple;
|
|
r = extract_many_words(&q, ":", EXTRACT_CUNESCAPE|EXTRACT_UNESCAPE_SEPARATORS, &first, &second, NULL);
|
|
if (r == -ENOMEM)
|
|
return log_oom();
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r,
|
|
"Invalid syntax in %s=, ignoring: %s", lvalue, tuple);
|
|
return 0;
|
|
}
|
|
if (r == 0)
|
|
continue;
|
|
|
|
r = unit_full_printf(u, first, &sresolved);
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r,
|
|
"Failed to resolve unit specifiers in \"%s\", ignoring: %m", first);
|
|
continue;
|
|
}
|
|
|
|
s = sresolved;
|
|
if (s[0] == '-') {
|
|
permissive = true;
|
|
s++;
|
|
}
|
|
|
|
r = path_simplify_and_warn(s, PATH_CHECK_ABSOLUTE, unit, filename, line, lvalue);
|
|
if (r < 0)
|
|
continue;
|
|
|
|
if (isempty(second)) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, 0, "Missing destination in %s, ignoring: %s", lvalue, rvalue);
|
|
continue;
|
|
}
|
|
|
|
r = unit_full_printf(u, second, &dresolved);
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r,
|
|
"Failed to resolve specifiers in \"%s\", ignoring: %m", second);
|
|
continue;
|
|
}
|
|
|
|
r = path_simplify_and_warn(dresolved, PATH_CHECK_ABSOLUTE, unit, filename, line, lvalue);
|
|
if (r < 0)
|
|
continue;
|
|
|
|
for (;;) {
|
|
_cleanup_free_ char *partition = NULL, *mount_options = NULL, *mount_options_resolved = NULL;
|
|
MountOptions *o = NULL;
|
|
PartitionDesignator partition_designator;
|
|
|
|
r = extract_many_words(&q, ":", EXTRACT_CUNESCAPE|EXTRACT_UNESCAPE_SEPARATORS, &partition, &mount_options, NULL);
|
|
if (r == -ENOMEM)
|
|
return log_oom();
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Invalid syntax, ignoring: %s", q);
|
|
return 0;
|
|
}
|
|
if (r == 0)
|
|
break;
|
|
/* Single set of options, applying to the root partition/single filesystem */
|
|
if (r == 1) {
|
|
r = unit_full_printf(u, partition, &mount_options_resolved);
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to resolve unit specifiers in %s, ignoring: %m", first);
|
|
continue;
|
|
}
|
|
|
|
o = new(MountOptions, 1);
|
|
if (!o)
|
|
return log_oom();
|
|
*o = (MountOptions) {
|
|
.partition_designator = PARTITION_ROOT,
|
|
.options = TAKE_PTR(mount_options_resolved),
|
|
};
|
|
LIST_APPEND(mount_options, options, o);
|
|
|
|
break;
|
|
}
|
|
|
|
partition_designator = partition_designator_from_string(partition);
|
|
if (partition_designator < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, 0, "Invalid partition name %s, ignoring", partition);
|
|
continue;
|
|
}
|
|
r = unit_full_printf(u, mount_options, &mount_options_resolved);
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to resolve unit specifiers in %s, ignoring: %m", mount_options);
|
|
continue;
|
|
}
|
|
|
|
o = new(MountOptions, 1);
|
|
if (!o)
|
|
return log_oom();
|
|
*o = (MountOptions) {
|
|
.partition_designator = partition_designator,
|
|
.options = TAKE_PTR(mount_options_resolved),
|
|
};
|
|
LIST_APPEND(mount_options, options, o);
|
|
}
|
|
|
|
r = mount_image_add(&c->mount_images, &c->n_mount_images,
|
|
&(MountImage) {
|
|
.source = s,
|
|
.destination = dresolved,
|
|
.mount_options = options,
|
|
.ignore_enoent = permissive,
|
|
});
|
|
if (r < 0)
|
|
return log_oom();
|
|
}
|
|
}
|
|
|
|
int config_parse_job_timeout_sec(
|
|
const char* unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
Unit *u = data;
|
|
usec_t usec;
|
|
int r;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
assert(u);
|
|
|
|
r = parse_sec_fix_0(rvalue, &usec);
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to parse JobTimeoutSec= parameter, ignoring: %s", rvalue);
|
|
return 0;
|
|
}
|
|
|
|
/* If the user explicitly changed JobTimeoutSec= also change JobRunningTimeoutSec=, for compatibility with old
|
|
* versions. If JobRunningTimeoutSec= was explicitly set, avoid this however as whatever the user picked should
|
|
* count. */
|
|
|
|
if (!u->job_running_timeout_set)
|
|
u->job_running_timeout = usec;
|
|
|
|
u->job_timeout = usec;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int config_parse_job_running_timeout_sec(
|
|
const char* unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
Unit *u = data;
|
|
usec_t usec;
|
|
int r;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
assert(u);
|
|
|
|
r = parse_sec_fix_0(rvalue, &usec);
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to parse JobRunningTimeoutSec= parameter, ignoring: %s", rvalue);
|
|
return 0;
|
|
}
|
|
|
|
u->job_running_timeout = usec;
|
|
u->job_running_timeout_set = true;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int config_parse_emergency_action(
|
|
const char* unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
Manager *m = NULL;
|
|
EmergencyAction *x = data;
|
|
int r;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
assert(data);
|
|
|
|
if (unit)
|
|
m = ((Unit*) userdata)->manager;
|
|
else
|
|
m = data;
|
|
|
|
r = parse_emergency_action(rvalue, MANAGER_IS_SYSTEM(m), x);
|
|
if (r < 0) {
|
|
if (r == -EOPNOTSUPP && MANAGER_IS_USER(m)) {
|
|
/* Compat mode: remove for systemd 241. */
|
|
|
|
log_syntax(unit, LOG_INFO, filename, line, r,
|
|
"%s= in user mode specified as \"%s\", using \"exit-force\" instead.",
|
|
lvalue, rvalue);
|
|
*x = EMERGENCY_ACTION_EXIT_FORCE;
|
|
return 0;
|
|
}
|
|
|
|
if (r == -EOPNOTSUPP)
|
|
log_syntax(unit, LOG_WARNING, filename, line, r,
|
|
"%s= specified as %s mode action, ignoring: %s",
|
|
lvalue, MANAGER_IS_SYSTEM(m) ? "user" : "system", rvalue);
|
|
else
|
|
log_syntax(unit, LOG_WARNING, filename, line, r,
|
|
"Failed to parse %s=, ignoring: %s", lvalue, rvalue);
|
|
return 0;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int config_parse_pid_file(
|
|
const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
_cleanup_free_ char *k = NULL, *n = NULL;
|
|
const Unit *u = userdata;
|
|
char **s = data;
|
|
int r;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
assert(u);
|
|
|
|
if (isempty(rvalue)) {
|
|
/* An empty assignment removes already set value. */
|
|
*s = mfree(*s);
|
|
return 0;
|
|
}
|
|
|
|
r = unit_full_printf(u, rvalue, &k);
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to resolve unit specifiers in '%s', ignoring: %m", rvalue);
|
|
return 0;
|
|
}
|
|
|
|
/* If this is a relative path make it absolute by prefixing the /run */
|
|
n = path_make_absolute(k, u->manager->prefix[EXEC_DIRECTORY_RUNTIME]);
|
|
if (!n)
|
|
return log_oom();
|
|
|
|
/* Check that the result is a sensible path */
|
|
r = path_simplify_and_warn(n, PATH_CHECK_ABSOLUTE, unit, filename, line, lvalue);
|
|
if (r < 0)
|
|
return r;
|
|
|
|
r = patch_var_run(unit, filename, line, lvalue, &n);
|
|
if (r < 0)
|
|
return r;
|
|
|
|
free_and_replace(*s, n);
|
|
return 0;
|
|
}
|
|
|
|
int config_parse_exit_status(
|
|
const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
int *exit_status = data, r;
|
|
uint8_t u;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
assert(exit_status);
|
|
|
|
if (isempty(rvalue)) {
|
|
*exit_status = -1;
|
|
return 0;
|
|
}
|
|
|
|
r = safe_atou8(rvalue, &u);
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to parse exit status '%s', ignoring: %m", rvalue);
|
|
return 0;
|
|
}
|
|
|
|
*exit_status = u;
|
|
return 0;
|
|
}
|
|
|
|
int config_parse_disable_controllers(
|
|
const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
int r;
|
|
CGroupContext *c = data;
|
|
CGroupMask disabled_mask;
|
|
|
|
/* 1. If empty, make all controllers eligible for use again.
|
|
* 2. If non-empty, merge all listed controllers, space separated. */
|
|
|
|
if (isempty(rvalue)) {
|
|
c->disable_controllers = 0;
|
|
return 0;
|
|
}
|
|
|
|
r = cg_mask_from_string(rvalue, &disabled_mask);
|
|
if (r < 0 || disabled_mask <= 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Invalid cgroup string: %s, ignoring", rvalue);
|
|
return 0;
|
|
}
|
|
|
|
c->disable_controllers |= disabled_mask;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int config_parse_ip_filter_bpf_progs(
|
|
const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
_cleanup_free_ char *resolved = NULL;
|
|
const Unit *u = userdata;
|
|
char ***paths = data;
|
|
int r;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
assert(paths);
|
|
|
|
if (isempty(rvalue)) {
|
|
*paths = strv_free(*paths);
|
|
return 0;
|
|
}
|
|
|
|
r = unit_full_printf(u, rvalue, &resolved);
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to resolve unit specifiers in '%s', ignoring: %m", rvalue);
|
|
return 0;
|
|
}
|
|
|
|
r = path_simplify_and_warn(resolved, PATH_CHECK_ABSOLUTE, unit, filename, line, lvalue);
|
|
if (r < 0)
|
|
return 0;
|
|
|
|
if (strv_contains(*paths, resolved))
|
|
return 0;
|
|
|
|
r = strv_extend(paths, resolved);
|
|
if (r < 0)
|
|
return log_oom();
|
|
|
|
r = bpf_firewall_supported();
|
|
if (r < 0)
|
|
return r;
|
|
if (r != BPF_FIREWALL_SUPPORTED_WITH_MULTI) {
|
|
static bool warned = false;
|
|
|
|
log_full(warned ? LOG_DEBUG : LOG_WARNING,
|
|
"File %s:%u configures an IP firewall with BPF programs (%s=%s), but the local system does not support BPF/cgroup based firewalling with multiple filters.\n"
|
|
"Starting this unit will fail! (This warning is only shown for the first loaded unit using IP firewalling.)", filename, line, lvalue, rvalue);
|
|
|
|
warned = true;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int merge_by_names(Unit **u, Set *names, const char *id) {
|
|
char *k;
|
|
int r;
|
|
|
|
assert(u);
|
|
assert(*u);
|
|
|
|
/* Let's try to add in all names that are aliases of this unit */
|
|
while ((k = set_steal_first(names))) {
|
|
_cleanup_free_ _unused_ char *free_k = k;
|
|
|
|
/* First try to merge in the other name into our unit */
|
|
r = unit_merge_by_name(*u, k);
|
|
if (r < 0) {
|
|
Unit *other;
|
|
|
|
/* Hmm, we couldn't merge the other unit into ours? Then let's try it the other way
|
|
* round. */
|
|
|
|
other = manager_get_unit((*u)->manager, k);
|
|
if (!other)
|
|
return r; /* return previous failure */
|
|
|
|
r = unit_merge(other, *u);
|
|
if (r < 0)
|
|
return r;
|
|
|
|
*u = other;
|
|
return merge_by_names(u, names, NULL);
|
|
}
|
|
|
|
if (streq_ptr(id, k))
|
|
unit_choose_id(*u, id);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int unit_load_fragment(Unit *u) {
|
|
const char *fragment;
|
|
_cleanup_set_free_free_ Set *names = NULL;
|
|
int r;
|
|
|
|
assert(u);
|
|
assert(u->load_state == UNIT_STUB);
|
|
assert(u->id);
|
|
|
|
if (u->transient) {
|
|
u->load_state = UNIT_LOADED;
|
|
return 0;
|
|
}
|
|
|
|
/* Possibly rebuild the fragment map to catch new units */
|
|
r = unit_file_build_name_map(&u->manager->lookup_paths,
|
|
&u->manager->unit_cache_timestamp_hash,
|
|
&u->manager->unit_id_map,
|
|
&u->manager->unit_name_map,
|
|
&u->manager->unit_path_cache);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to rebuild name map: %m");
|
|
|
|
r = unit_file_find_fragment(u->manager->unit_id_map,
|
|
u->manager->unit_name_map,
|
|
u->id,
|
|
&fragment,
|
|
&names);
|
|
if (r < 0 && r != -ENOENT)
|
|
return r;
|
|
|
|
if (fragment) {
|
|
/* Open the file, check if this is a mask, otherwise read. */
|
|
_cleanup_fclose_ FILE *f = NULL;
|
|
struct stat st;
|
|
|
|
/* Try to open the file name. A symlink is OK, for example for linked files or masks. We
|
|
* expect that all symlinks within the lookup paths have been already resolved, but we don't
|
|
* verify this here. */
|
|
f = fopen(fragment, "re");
|
|
if (!f)
|
|
return log_unit_notice_errno(u, errno, "Failed to open %s: %m", fragment);
|
|
|
|
if (fstat(fileno(f), &st) < 0)
|
|
return -errno;
|
|
|
|
r = free_and_strdup(&u->fragment_path, fragment);
|
|
if (r < 0)
|
|
return r;
|
|
|
|
if (null_or_empty(&st)) {
|
|
/* Unit file is masked */
|
|
|
|
u->load_state = u->perpetual ? UNIT_LOADED : UNIT_MASKED; /* don't allow perpetual units to ever be masked */
|
|
u->fragment_mtime = 0;
|
|
} else {
|
|
u->load_state = UNIT_LOADED;
|
|
u->fragment_mtime = timespec_load(&st.st_mtim);
|
|
|
|
/* Now, parse the file contents */
|
|
r = config_parse(u->id, fragment, f,
|
|
UNIT_VTABLE(u)->sections,
|
|
config_item_perf_lookup, load_fragment_gperf_lookup,
|
|
0,
|
|
u,
|
|
NULL);
|
|
if (r == -ENOEXEC)
|
|
log_unit_notice_errno(u, r, "Unit configuration has fatal error, unit will not be started.");
|
|
if (r < 0)
|
|
return r;
|
|
}
|
|
}
|
|
|
|
/* We do the merge dance here because for some unit types, the unit might have aliases which are not
|
|
* declared in the file system. In particular, this is true (and frequent) for device and swap units.
|
|
*/
|
|
Unit *merged;
|
|
const char *id = u->id;
|
|
_cleanup_free_ char *free_id = NULL;
|
|
|
|
if (fragment) {
|
|
id = basename(fragment);
|
|
if (unit_name_is_valid(id, UNIT_NAME_TEMPLATE)) {
|
|
assert(u->instance); /* If we're not trying to use a template for non-instanced unit,
|
|
* this must be set. */
|
|
|
|
r = unit_name_replace_instance(id, u->instance, &free_id);
|
|
if (r < 0)
|
|
return log_debug_errno(r, "Failed to build id (%s + %s): %m", id, u->instance);
|
|
id = free_id;
|
|
}
|
|
}
|
|
|
|
merged = u;
|
|
r = merge_by_names(&merged, names, id);
|
|
if (r < 0)
|
|
return r;
|
|
|
|
if (merged != u)
|
|
u->load_state = UNIT_MERGED;
|
|
|
|
return 0;
|
|
}
|
|
|
|
void unit_dump_config_items(FILE *f) {
|
|
static const struct {
|
|
const ConfigParserCallback callback;
|
|
const char *rvalue;
|
|
} table[] = {
|
|
{ config_parse_warn_compat, "NOTSUPPORTED" },
|
|
{ config_parse_int, "INTEGER" },
|
|
{ config_parse_unsigned, "UNSIGNED" },
|
|
{ config_parse_iec_size, "SIZE" },
|
|
{ config_parse_iec_uint64, "SIZE" },
|
|
{ config_parse_si_uint64, "SIZE" },
|
|
{ config_parse_bool, "BOOLEAN" },
|
|
{ config_parse_string, "STRING" },
|
|
{ config_parse_path, "PATH" },
|
|
{ config_parse_unit_path_printf, "PATH" },
|
|
{ config_parse_strv, "STRING [...]" },
|
|
{ config_parse_exec_nice, "NICE" },
|
|
{ config_parse_exec_oom_score_adjust, "OOMSCOREADJUST" },
|
|
{ config_parse_exec_io_class, "IOCLASS" },
|
|
{ config_parse_exec_io_priority, "IOPRIORITY" },
|
|
{ config_parse_exec_cpu_sched_policy, "CPUSCHEDPOLICY" },
|
|
{ config_parse_exec_cpu_sched_prio, "CPUSCHEDPRIO" },
|
|
{ config_parse_exec_cpu_affinity, "CPUAFFINITY" },
|
|
{ config_parse_mode, "MODE" },
|
|
{ config_parse_unit_env_file, "FILE" },
|
|
{ config_parse_exec_output, "OUTPUT" },
|
|
{ config_parse_exec_input, "INPUT" },
|
|
{ config_parse_log_facility, "FACILITY" },
|
|
{ config_parse_log_level, "LEVEL" },
|
|
{ config_parse_exec_secure_bits, "SECUREBITS" },
|
|
{ config_parse_capability_set, "BOUNDINGSET" },
|
|
{ config_parse_rlimit, "LIMIT" },
|
|
{ config_parse_unit_deps, "UNIT [...]" },
|
|
{ config_parse_exec, "PATH [ARGUMENT [...]]" },
|
|
{ config_parse_service_type, "SERVICETYPE" },
|
|
{ config_parse_service_restart, "SERVICERESTART" },
|
|
{ config_parse_service_timeout_failure_mode, "TIMEOUTMODE" },
|
|
{ config_parse_kill_mode, "KILLMODE" },
|
|
{ config_parse_signal, "SIGNAL" },
|
|
{ config_parse_socket_listen, "SOCKET [...]" },
|
|
{ config_parse_socket_bind, "SOCKETBIND" },
|
|
{ config_parse_socket_bindtodevice, "NETWORKINTERFACE" },
|
|
{ config_parse_sec, "SECONDS" },
|
|
{ config_parse_nsec, "NANOSECONDS" },
|
|
{ config_parse_namespace_path_strv, "PATH [...]" },
|
|
{ config_parse_bind_paths, "PATH[:PATH[:OPTIONS]] [...]" },
|
|
{ config_parse_unit_requires_mounts_for, "PATH [...]" },
|
|
{ config_parse_exec_mount_flags, "MOUNTFLAG [...]" },
|
|
{ config_parse_unit_string_printf, "STRING" },
|
|
{ config_parse_trigger_unit, "UNIT" },
|
|
{ config_parse_timer, "TIMER" },
|
|
{ config_parse_path_spec, "PATH" },
|
|
{ config_parse_notify_access, "ACCESS" },
|
|
{ config_parse_ip_tos, "TOS" },
|
|
{ config_parse_unit_condition_path, "CONDITION" },
|
|
{ config_parse_unit_condition_string, "CONDITION" },
|
|
{ config_parse_unit_slice, "SLICE" },
|
|
{ config_parse_documentation, "URL" },
|
|
{ config_parse_service_timeout, "SECONDS" },
|
|
{ config_parse_emergency_action, "ACTION" },
|
|
{ config_parse_set_status, "STATUS" },
|
|
{ config_parse_service_sockets, "SOCKETS" },
|
|
{ config_parse_environ, "ENVIRON" },
|
|
#if HAVE_SECCOMP
|
|
{ config_parse_syscall_filter, "SYSCALLS" },
|
|
{ config_parse_syscall_archs, "ARCHS" },
|
|
{ config_parse_syscall_errno, "ERRNO" },
|
|
{ config_parse_syscall_log, "SYSCALLS" },
|
|
{ config_parse_address_families, "FAMILIES" },
|
|
{ config_parse_restrict_namespaces, "NAMESPACES" },
|
|
#endif
|
|
{ config_parse_cpu_shares, "SHARES" },
|
|
{ config_parse_cg_weight, "WEIGHT" },
|
|
{ config_parse_memory_limit, "LIMIT" },
|
|
{ config_parse_device_allow, "DEVICE" },
|
|
{ config_parse_device_policy, "POLICY" },
|
|
{ config_parse_io_limit, "LIMIT" },
|
|
{ config_parse_io_device_weight, "DEVICEWEIGHT" },
|
|
{ config_parse_io_device_latency, "DEVICELATENCY" },
|
|
{ config_parse_blockio_bandwidth, "BANDWIDTH" },
|
|
{ config_parse_blockio_weight, "WEIGHT" },
|
|
{ config_parse_blockio_device_weight, "DEVICEWEIGHT" },
|
|
{ config_parse_long, "LONG" },
|
|
{ config_parse_socket_service, "SERVICE" },
|
|
#if HAVE_SELINUX
|
|
{ config_parse_exec_selinux_context, "LABEL" },
|
|
#endif
|
|
{ config_parse_job_mode, "MODE" },
|
|
{ config_parse_job_mode_isolate, "BOOLEAN" },
|
|
{ config_parse_personality, "PERSONALITY" },
|
|
};
|
|
|
|
const char *prev = NULL;
|
|
const char *i;
|
|
|
|
assert(f);
|
|
|
|
NULSTR_FOREACH(i, load_fragment_gperf_nulstr) {
|
|
const char *rvalue = "OTHER", *lvalue;
|
|
const ConfigPerfItem *p;
|
|
const char *dot;
|
|
|
|
assert_se(p = load_fragment_gperf_lookup(i, strlen(i)));
|
|
|
|
/* Hide legacy settings */
|
|
if (p->parse == config_parse_warn_compat &&
|
|
p->ltype == DISABLED_LEGACY)
|
|
continue;
|
|
|
|
for (size_t j = 0; j < ELEMENTSOF(table); j++)
|
|
if (p->parse == table[j].callback) {
|
|
rvalue = table[j].rvalue;
|
|
break;
|
|
}
|
|
|
|
dot = strchr(i, '.');
|
|
lvalue = dot ? dot + 1 : i;
|
|
|
|
if (dot) {
|
|
size_t prefix_len = dot - i;
|
|
|
|
if (!prev || !strneq(prev, i, prefix_len+1)) {
|
|
if (prev)
|
|
fputc('\n', f);
|
|
|
|
fprintf(f, "[%.*s]\n", (int) prefix_len, i);
|
|
}
|
|
}
|
|
|
|
fprintf(f, "%s=%s\n", lvalue, rvalue);
|
|
prev = i;
|
|
}
|
|
}
|
|
|
|
int config_parse_cpu_affinity2(
|
|
const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
CPUSet *affinity = data;
|
|
|
|
assert(affinity);
|
|
|
|
(void) parse_cpu_set_extend(rvalue, affinity, true, unit, filename, line, lvalue);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int config_parse_show_status(
|
|
const char* unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
int k;
|
|
ShowStatus *b = data;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
assert(data);
|
|
|
|
k = parse_show_status(rvalue, b);
|
|
if (k < 0)
|
|
log_syntax(unit, LOG_WARNING, filename, line, k, "Failed to parse show status setting, ignoring: %s", rvalue);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int config_parse_output_restricted(
|
|
const char* unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
ExecOutput t, *eo = data;
|
|
bool obsolete = false;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
assert(data);
|
|
|
|
if (streq(rvalue, "syslog")) {
|
|
t = EXEC_OUTPUT_JOURNAL;
|
|
obsolete = true;
|
|
} else if (streq(rvalue, "syslog+console")) {
|
|
t = EXEC_OUTPUT_JOURNAL_AND_CONSOLE;
|
|
obsolete = true;
|
|
} else {
|
|
t = exec_output_from_string(rvalue);
|
|
if (t < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, 0, "Failed to parse output type, ignoring: %s", rvalue);
|
|
return 0;
|
|
}
|
|
|
|
if (IN_SET(t, EXEC_OUTPUT_SOCKET, EXEC_OUTPUT_NAMED_FD, EXEC_OUTPUT_FILE, EXEC_OUTPUT_FILE_APPEND)) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, 0, "Standard output types socket, fd:, file:, append: are not supported as defaults, ignoring: %s", rvalue);
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
if (obsolete)
|
|
log_syntax(unit, LOG_NOTICE, filename, line, 0,
|
|
"Standard output type %s is obsolete, automatically updating to %s. Please update your configuration.",
|
|
rvalue, exec_output_to_string(t));
|
|
|
|
*eo = t;
|
|
return 0;
|
|
}
|
|
|
|
int config_parse_crash_chvt(
|
|
const char* unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
int r;
|
|
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
assert(data);
|
|
|
|
r = parse_crash_chvt(rvalue, data);
|
|
if (r < 0)
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to parse CrashChangeVT= setting, ignoring: %s", rvalue);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int config_parse_swap_priority(
|
|
const char *unit,
|
|
const char *filename,
|
|
unsigned line,
|
|
const char *section,
|
|
unsigned section_line,
|
|
const char *lvalue,
|
|
int ltype,
|
|
const char *rvalue,
|
|
void *data,
|
|
void *userdata) {
|
|
|
|
Swap *s = userdata;
|
|
int r, priority;
|
|
|
|
assert(s);
|
|
assert(filename);
|
|
assert(lvalue);
|
|
assert(rvalue);
|
|
assert(data);
|
|
|
|
if (isempty(rvalue)) {
|
|
s->parameters_fragment.priority = -1;
|
|
s->parameters_fragment.priority_set = false;
|
|
return 0;
|
|
}
|
|
|
|
r = safe_atoi(rvalue, &priority);
|
|
if (r < 0) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, r, "Invalid swap priority '%s', ignoring.", rvalue);
|
|
return 0;
|
|
}
|
|
|
|
if (priority < -1) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, 0, "Sorry, swap priorities smaller than -1 may only be assigned by the kernel itself, ignoring: %s", rvalue);
|
|
return 0;
|
|
}
|
|
|
|
if (priority > 32767) {
|
|
log_syntax(unit, LOG_WARNING, filename, line, 0, "Swap priority out of range, ignoring: %s", rvalue);
|
|
return 0;
|
|
}
|
|
|
|
s->parameters_fragment.priority = priority;
|
|
s->parameters_fragment.priority_set = true;
|
|
return 0;
|
|
}
|