2487 lines
84 KiB
C
2487 lines
84 KiB
C
/* SPDX-License-Identifier: LGPL-2.1+ */
|
|
/***
|
|
This file is part of systemd.
|
|
|
|
Copyright 2016 Lennart Poettering
|
|
***/
|
|
|
|
#include "alloc-util.h"
|
|
#include "bus-internal.h"
|
|
#include "bus-unit-util.h"
|
|
#include "bus-util.h"
|
|
#include "cap-list.h"
|
|
#include "cgroup-util.h"
|
|
#include "condition.h"
|
|
#include "cpu-set-util.h"
|
|
#include "env-util.h"
|
|
#include "errno-list.h"
|
|
#include "escape.h"
|
|
#include "hashmap.h"
|
|
#include "hexdecoct.h"
|
|
#include "hostname-util.h"
|
|
#include "in-addr-util.h"
|
|
#include "list.h"
|
|
#include "locale-util.h"
|
|
#include "mount-util.h"
|
|
#include "nsflags.h"
|
|
#include "parse-util.h"
|
|
#include "path-util.h"
|
|
#include "process-util.h"
|
|
#include "rlimit-util.h"
|
|
#include "securebits-util.h"
|
|
#include "signal-util.h"
|
|
#include "socket-protocol-list.h"
|
|
#include "string-util.h"
|
|
#include "syslog-util.h"
|
|
#include "terminal-util.h"
|
|
#include "unit-def.h"
|
|
#include "user-util.h"
|
|
#include "utf8.h"
|
|
#include "util.h"
|
|
|
|
int bus_parse_unit_info(sd_bus_message *message, UnitInfo *u) {
|
|
assert(message);
|
|
assert(u);
|
|
|
|
u->machine = NULL;
|
|
|
|
return sd_bus_message_read(
|
|
message,
|
|
"(ssssssouso)",
|
|
&u->id,
|
|
&u->description,
|
|
&u->load_state,
|
|
&u->active_state,
|
|
&u->sub_state,
|
|
&u->following,
|
|
&u->unit_path,
|
|
&u->job_id,
|
|
&u->job_type,
|
|
&u->job_path);
|
|
}
|
|
|
|
#define DEFINE_BUS_APPEND_PARSE_PTR(bus_type, cast_type, type, parse_func) \
|
|
static int bus_append_##parse_func( \
|
|
sd_bus_message *m, \
|
|
const char *field, \
|
|
const char *eq) { \
|
|
type val; \
|
|
int r; \
|
|
\
|
|
r = parse_func(eq, &val); \
|
|
if (r < 0) \
|
|
return log_error_errno(r, "Failed to parse %s=%s: %m", field, eq); \
|
|
\
|
|
r = sd_bus_message_append(m, "(sv)", field, \
|
|
bus_type, (cast_type) val); \
|
|
if (r < 0) \
|
|
return bus_log_create_error(r); \
|
|
\
|
|
return 1; \
|
|
}
|
|
|
|
#define DEFINE_BUS_APPEND_PARSE(bus_type, parse_func) \
|
|
static int bus_append_##parse_func( \
|
|
sd_bus_message *m, \
|
|
const char *field, \
|
|
const char *eq) { \
|
|
int r; \
|
|
\
|
|
r = parse_func(eq); \
|
|
if (r < 0) { \
|
|
log_error("Failed to parse %s: %s", field, eq); \
|
|
return -EINVAL; \
|
|
} \
|
|
\
|
|
r = sd_bus_message_append(m, "(sv)", field, \
|
|
bus_type, (int32_t) r); \
|
|
if (r < 0) \
|
|
return bus_log_create_error(r); \
|
|
\
|
|
return 1; \
|
|
}
|
|
|
|
DEFINE_BUS_APPEND_PARSE("b", parse_boolean);
|
|
DEFINE_BUS_APPEND_PARSE("i", ioprio_class_from_string);
|
|
DEFINE_BUS_APPEND_PARSE("i", ip_tos_from_string);
|
|
DEFINE_BUS_APPEND_PARSE("i", log_facility_unshifted_from_string);
|
|
DEFINE_BUS_APPEND_PARSE("i", log_level_from_string);
|
|
DEFINE_BUS_APPEND_PARSE("i", parse_errno);
|
|
DEFINE_BUS_APPEND_PARSE("i", sched_policy_from_string);
|
|
DEFINE_BUS_APPEND_PARSE("i", secure_bits_from_string);
|
|
DEFINE_BUS_APPEND_PARSE("i", signal_from_string);
|
|
DEFINE_BUS_APPEND_PARSE("i", socket_protocol_from_name);
|
|
DEFINE_BUS_APPEND_PARSE_PTR("i", int32_t, int, ioprio_parse_priority);
|
|
DEFINE_BUS_APPEND_PARSE_PTR("i", int32_t, int, parse_nice);
|
|
DEFINE_BUS_APPEND_PARSE_PTR("i", int32_t, int, safe_atoi);
|
|
DEFINE_BUS_APPEND_PARSE_PTR("t", uint64_t, nsec_t, parse_nsec);
|
|
DEFINE_BUS_APPEND_PARSE_PTR("t", uint64_t, uint64_t, cg_blkio_weight_parse);
|
|
DEFINE_BUS_APPEND_PARSE_PTR("t", uint64_t, uint64_t, cg_cpu_shares_parse);
|
|
DEFINE_BUS_APPEND_PARSE_PTR("t", uint64_t, uint64_t, cg_weight_parse);
|
|
DEFINE_BUS_APPEND_PARSE_PTR("t", uint64_t, unsigned long, mount_propagation_flags_from_string);
|
|
DEFINE_BUS_APPEND_PARSE_PTR("t", uint64_t, uint64_t, safe_atou64);
|
|
DEFINE_BUS_APPEND_PARSE_PTR("u", uint32_t, mode_t, parse_mode);
|
|
DEFINE_BUS_APPEND_PARSE_PTR("u", uint32_t, unsigned, safe_atou);
|
|
DEFINE_BUS_APPEND_PARSE_PTR("x", int64_t, int64_t, safe_atoi64);
|
|
|
|
static inline int bus_append_string(sd_bus_message *m, const char *field, const char *eq) {
|
|
int r;
|
|
|
|
r = sd_bus_message_append(m, "(sv)", field, "s", eq);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int bus_append_strv(sd_bus_message *m, const char *field, const char *eq, ExtractFlags flags) {
|
|
const char *p;
|
|
int r;
|
|
|
|
r = sd_bus_message_open_container(m, 'r', "sv");
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_append_basic(m, 's', field);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_open_container(m, 'v', "as");
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_open_container(m, 'a', "s");
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
for (p = eq;;) {
|
|
_cleanup_free_ char *word = NULL;
|
|
|
|
r = extract_first_word(&p, &word, NULL, flags);
|
|
if (r == 0)
|
|
break;
|
|
if (r == -ENOMEM)
|
|
return log_oom();
|
|
if (r < 0)
|
|
return log_error_errno(r, "Invalid syntax: %s", eq);
|
|
|
|
r = sd_bus_message_append_basic(m, 's', word);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
}
|
|
|
|
r = sd_bus_message_close_container(m);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_close_container(m);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_close_container(m);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int bus_append_byte_array(sd_bus_message *m, const char *field, const void *buf, size_t n) {
|
|
int r;
|
|
|
|
r = sd_bus_message_open_container(m, SD_BUS_TYPE_STRUCT, "sv");
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_append_basic(m, SD_BUS_TYPE_STRING, field);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_open_container(m, 'v', "ay");
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_append_array(m, 'y', buf, n);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_close_container(m);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_close_container(m);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int bus_append_parse_sec_rename(sd_bus_message *m, const char *field, const char *eq) {
|
|
char *n;
|
|
usec_t t;
|
|
size_t l;
|
|
int r;
|
|
|
|
r = parse_sec(eq, &t);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to parse %s=%s: %m", field, eq);
|
|
|
|
l = strlen(field);
|
|
n = newa(char, l + 2);
|
|
/* Change suffix Sec → USec */
|
|
strcpy(mempcpy(n, field, l - 3), "USec");
|
|
|
|
r = sd_bus_message_append(m, "(sv)", n, "t", t);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int bus_append_parse_size(sd_bus_message *m, const char *field, const char *eq, uint64_t base) {
|
|
uint64_t v;
|
|
int r;
|
|
|
|
r = parse_size(eq, base, &v);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to parse %s=%s: %m", field, eq);
|
|
|
|
r = sd_bus_message_append(m, "(sv)", field, "t", v);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int bus_append_exec_command(sd_bus_message *m, const char *field, const char *eq) {
|
|
bool ignore_failure = false, explicit_path = false, done = false;
|
|
_cleanup_strv_free_ char **l = NULL;
|
|
_cleanup_free_ char *path = NULL;
|
|
int r;
|
|
|
|
do {
|
|
switch (*eq) {
|
|
|
|
case '-':
|
|
if (ignore_failure)
|
|
done = true;
|
|
else {
|
|
ignore_failure = true;
|
|
eq++;
|
|
}
|
|
break;
|
|
|
|
case '@':
|
|
if (explicit_path)
|
|
done = true;
|
|
else {
|
|
explicit_path = true;
|
|
eq++;
|
|
}
|
|
break;
|
|
|
|
case '+':
|
|
case '!':
|
|
/* The bus API doesn't support +, ! and !! currently, unfortunately. :-( */
|
|
log_error("Sorry, but +, ! and !! are currently not supported for transient services.");
|
|
return -EOPNOTSUPP;
|
|
|
|
default:
|
|
done = true;
|
|
break;
|
|
}
|
|
} while (!done);
|
|
|
|
if (explicit_path) {
|
|
r = extract_first_word(&eq, &path, NULL, EXTRACT_QUOTES|EXTRACT_CUNESCAPE);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to parse path: %m");
|
|
}
|
|
|
|
r = strv_split_extract(&l, eq, NULL, EXTRACT_QUOTES|EXTRACT_CUNESCAPE);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to parse command line: %m");
|
|
|
|
r = sd_bus_message_open_container(m, SD_BUS_TYPE_STRUCT, "sv");
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_append_basic(m, SD_BUS_TYPE_STRING, field);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_open_container(m, 'v', "a(sasb)");
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_open_container(m, 'a', "(sasb)");
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
if (!strv_isempty(l)) {
|
|
|
|
r = sd_bus_message_open_container(m, 'r', "sasb");
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_append(m, "s", path ?: l[0]);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_append_strv(m, l);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_append(m, "b", ignore_failure);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_close_container(m);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
}
|
|
|
|
r = sd_bus_message_close_container(m);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_close_container(m);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_close_container(m);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int bus_append_ip_address_access(sd_bus_message *m, int family, const union in_addr_union *prefix, unsigned char prefixlen) {
|
|
int r;
|
|
|
|
assert(m);
|
|
assert(prefix);
|
|
|
|
r = sd_bus_message_open_container(m, 'r', "iayu");
|
|
if (r < 0)
|
|
return r;
|
|
|
|
r = sd_bus_message_append(m, "i", family);
|
|
if (r < 0)
|
|
return r;
|
|
|
|
r = sd_bus_message_append_array(m, 'y', prefix, FAMILY_ADDRESS_SIZE(family));
|
|
if (r < 0)
|
|
return r;
|
|
|
|
r = sd_bus_message_append(m, "u", prefixlen);
|
|
if (r < 0)
|
|
return r;
|
|
|
|
return sd_bus_message_close_container(m);
|
|
}
|
|
|
|
static int bus_append_cgroup_property(sd_bus_message *m, const char *field, const char *eq) {
|
|
int r;
|
|
|
|
if (STR_IN_SET(field, "DevicePolicy", "Slice"))
|
|
|
|
return bus_append_string(m, field, eq);
|
|
|
|
if (STR_IN_SET(field,
|
|
"CPUAccounting", "MemoryAccounting", "IOAccounting", "BlockIOAccounting",
|
|
"TasksAccounting", "IPAccounting"))
|
|
|
|
return bus_append_parse_boolean(m, field, eq);
|
|
|
|
if (STR_IN_SET(field, "CPUWeight", "StartupCPUWeight", "IOWeight", "StartupIOWeight"))
|
|
|
|
return bus_append_cg_weight_parse(m, field, eq);
|
|
|
|
if (STR_IN_SET(field, "CPUShares", "StartupCPUShares"))
|
|
|
|
return bus_append_cg_cpu_shares_parse(m, field, eq);
|
|
|
|
if (STR_IN_SET(field, "BlockIOWeight", "StartupBlockIOWeight"))
|
|
|
|
return bus_append_cg_blkio_weight_parse(m, field, eq);
|
|
|
|
if (streq(field, "Delegate")) {
|
|
|
|
r = parse_boolean(eq);
|
|
if (r < 0)
|
|
return bus_append_strv(m, "DelegateControllers", eq, EXTRACT_QUOTES);
|
|
|
|
r = sd_bus_message_append(m, "(sv)", "Delegate", "b", r);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
return 1;
|
|
}
|
|
|
|
if (STR_IN_SET(field, "MemoryLow", "MemoryHigh", "MemoryMax", "MemorySwapMax", "MemoryLimit", "TasksMax")) {
|
|
|
|
if (isempty(eq) || streq(eq, "infinity")) {
|
|
r = sd_bus_message_append(m, "(sv)", field, "t", CGROUP_LIMIT_MAX);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
return 1;
|
|
}
|
|
|
|
r = parse_percent(eq);
|
|
if (r >= 0) {
|
|
char *n;
|
|
|
|
/* When this is a percentage we'll convert this into a relative value in the range
|
|
* 0…UINT32_MAX and pass it in the MemoryLowScale property (and related
|
|
* ones). This way the physical memory size can be determined server-side */
|
|
|
|
n = strjoina(field, "Scale");
|
|
r = sd_bus_message_append(m, "(sv)", n, "u", (uint32_t) (((uint64_t) UINT32_MAX * r) / 100U));
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
return 1;
|
|
}
|
|
|
|
if (streq(field, "TasksMax"))
|
|
return bus_append_safe_atou64(m, field, eq);
|
|
|
|
return bus_append_parse_size(m, field, eq, 1024);
|
|
}
|
|
|
|
if (streq(field, "CPUQuota")) {
|
|
|
|
if (isempty(eq))
|
|
r = sd_bus_message_append(m, "(sv)", "CPUQuotaPerSecUSec", "t", USEC_INFINITY);
|
|
else {
|
|
r = parse_percent_unbounded(eq);
|
|
if (r <= 0) {
|
|
log_error_errno(r, "CPU quota '%s' invalid.", eq);
|
|
return -EINVAL;
|
|
}
|
|
|
|
r = sd_bus_message_append(m, "(sv)", "CPUQuotaPerSecUSec", "t", (usec_t) r * USEC_PER_SEC / 100U);
|
|
}
|
|
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
return 1;
|
|
}
|
|
|
|
if (streq(field, "DeviceAllow")) {
|
|
|
|
if (isempty(eq))
|
|
r = sd_bus_message_append(m, "(sv)", field, "a(ss)", 0);
|
|
else {
|
|
const char *path = eq, *rwm = NULL, *e;
|
|
|
|
e = strchr(eq, ' ');
|
|
if (e) {
|
|
path = strndupa(eq, e - eq);
|
|
rwm = e+1;
|
|
}
|
|
|
|
r = sd_bus_message_append(m, "(sv)", field, "a(ss)", 1, path, strempty(rwm));
|
|
}
|
|
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
return 1;
|
|
}
|
|
|
|
if (cgroup_io_limit_type_from_string(field) >= 0 || STR_IN_SET(field, "BlockIOReadBandwidth", "BlockIOWriteBandwidth")) {
|
|
|
|
if (isempty(eq))
|
|
r = sd_bus_message_append(m, "(sv)", field, "a(st)", 0);
|
|
else {
|
|
const char *path, *bandwidth, *e;
|
|
uint64_t bytes;
|
|
|
|
e = strchr(eq, ' ');
|
|
if (!e) {
|
|
log_error("Failed to parse %s value %s.", field, eq);
|
|
return -EINVAL;
|
|
}
|
|
|
|
path = strndupa(eq, e - eq);
|
|
bandwidth = e+1;
|
|
|
|
if (streq(bandwidth, "infinity")) {
|
|
bytes = CGROUP_LIMIT_MAX;
|
|
} else {
|
|
r = parse_size(bandwidth, 1000, &bytes);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to parse byte value %s: %m", bandwidth);
|
|
}
|
|
|
|
r = sd_bus_message_append(m, "(sv)", field, "a(st)", 1, path, bytes);
|
|
}
|
|
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
return 1;
|
|
}
|
|
|
|
if (STR_IN_SET(field, "IODeviceWeight", "BlockIODeviceWeight")) {
|
|
|
|
if (isempty(eq))
|
|
r = sd_bus_message_append(m, "(sv)", field, "a(st)", 0);
|
|
else {
|
|
const char *path, *weight, *e;
|
|
uint64_t u;
|
|
|
|
e = strchr(eq, ' ');
|
|
if (!e) {
|
|
log_error("Failed to parse %s value %s.", field, eq);
|
|
return -EINVAL;
|
|
}
|
|
|
|
path = strndupa(eq, e - eq);
|
|
weight = e+1;
|
|
|
|
r = safe_atou64(weight, &u);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to parse %s value %s: %m", field, weight);
|
|
|
|
r = sd_bus_message_append(m, "(sv)", field, "a(st)", 1, path, u);
|
|
}
|
|
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
return 1;
|
|
}
|
|
|
|
if (STR_IN_SET(field, "IPAddressAllow", "IPAddressDeny")) {
|
|
unsigned char prefixlen;
|
|
union in_addr_union prefix = {};
|
|
int family;
|
|
|
|
if (isempty(eq)) {
|
|
r = sd_bus_message_append(m, "(sv)", field, "a(iayu)", 0);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
return 1;
|
|
}
|
|
|
|
r = sd_bus_message_open_container(m, SD_BUS_TYPE_STRUCT, "sv");
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_append_basic(m, SD_BUS_TYPE_STRING, field);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_open_container(m, 'v', "a(iayu)");
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_open_container(m, 'a', "(iayu)");
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
if (streq(eq, "any")) {
|
|
/* "any" is a shortcut for 0.0.0.0/0 and ::/0 */
|
|
|
|
r = bus_append_ip_address_access(m, AF_INET, &prefix, 0);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = bus_append_ip_address_access(m, AF_INET6, &prefix, 0);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
} else if (is_localhost(eq)) {
|
|
/* "localhost" is a shortcut for 127.0.0.0/8 and ::1/128 */
|
|
|
|
prefix.in.s_addr = htobe32(0x7f000000);
|
|
r = bus_append_ip_address_access(m, AF_INET, &prefix, 8);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
prefix.in6 = (struct in6_addr) IN6ADDR_LOOPBACK_INIT;
|
|
r = bus_append_ip_address_access(m, AF_INET6, &prefix, 128);
|
|
if (r < 0)
|
|
return r;
|
|
|
|
} else if (streq(eq, "link-local")) {
|
|
/* "link-local" is a shortcut for 169.254.0.0/16 and fe80::/64 */
|
|
|
|
prefix.in.s_addr = htobe32((UINT32_C(169) << 24 | UINT32_C(254) << 16));
|
|
r = bus_append_ip_address_access(m, AF_INET, &prefix, 16);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
prefix.in6 = (struct in6_addr) {
|
|
.s6_addr32[0] = htobe32(0xfe800000)
|
|
};
|
|
r = bus_append_ip_address_access(m, AF_INET6, &prefix, 64);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
} else if (streq(eq, "multicast")) {
|
|
/* "multicast" is a shortcut for 224.0.0.0/4 and ff00::/8 */
|
|
|
|
prefix.in.s_addr = htobe32((UINT32_C(224) << 24));
|
|
r = bus_append_ip_address_access(m, AF_INET, &prefix, 4);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
prefix.in6 = (struct in6_addr) {
|
|
.s6_addr32[0] = htobe32(0xff000000)
|
|
};
|
|
r = bus_append_ip_address_access(m, AF_INET6, &prefix, 8);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
} else {
|
|
r = in_addr_prefix_from_string_auto(eq, &family, &prefix, &prefixlen);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to parse IP address prefix: %s", eq);
|
|
|
|
r = bus_append_ip_address_access(m, family, &prefix, prefixlen);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
}
|
|
|
|
r = sd_bus_message_close_container(m);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_close_container(m);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_close_container(m);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int bus_append_automount_property(sd_bus_message *m, const char *field, const char *eq) {
|
|
|
|
if (streq(field, "Where"))
|
|
|
|
return bus_append_string(m, field, eq);
|
|
|
|
if (streq(field, "DirectoryMode"))
|
|
|
|
return bus_append_parse_mode(m, field, eq);
|
|
|
|
if (streq(field, "TimeoutIdleSec"))
|
|
|
|
return bus_append_parse_sec_rename(m, field, eq);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int bus_append_execute_property(sd_bus_message *m, const char *field, const char *eq) {
|
|
const char *suffix;
|
|
int r;
|
|
|
|
if (STR_IN_SET(field,
|
|
"User", "Group",
|
|
"UtmpIdentifier", "UtmpMode", "PAMName", "TTYPath",
|
|
"WorkingDirectory", "RootDirectory", "SyslogIdentifier",
|
|
"ProtectSystem", "ProtectHome", "SELinuxContext", "RootImage",
|
|
"RuntimeDirectoryPreserve", "Personality", "KeyringMode"))
|
|
|
|
return bus_append_string(m, field, eq);
|
|
|
|
if (STR_IN_SET(field,
|
|
"IgnoreSIGPIPE", "TTYVHangup", "TTYReset", "TTYVTDisallocate",
|
|
"PrivateTmp", "PrivateDevices", "PrivateNetwork", "PrivateUsers",
|
|
"NoNewPrivileges", "SyslogLevelPrefix",
|
|
"MemoryDenyWriteExecute", "RestrictRealtime", "DynamicUser", "RemoveIPC",
|
|
"ProtectKernelTunables", "ProtectKernelModules", "ProtectControlGroups",
|
|
"MountAPIVFS", "CPUSchedulingResetOnFork", "LockPersonality"))
|
|
|
|
return bus_append_parse_boolean(m, field, eq);
|
|
|
|
if (STR_IN_SET(field,
|
|
"ReadWriteDirectories", "ReadOnlyDirectories", "InaccessibleDirectories",
|
|
"ReadWritePaths", "ReadOnlyPaths", "InaccessiblePaths",
|
|
"RuntimeDirectory", "StateDirectory", "CacheDirectory", "LogsDirectory", "ConfigurationDirectory",
|
|
"SupplementaryGroups", "SystemCallArchitectures"))
|
|
|
|
return bus_append_strv(m, field, eq, EXTRACT_QUOTES);
|
|
|
|
if (STR_IN_SET(field, "SyslogLevel", "LogLevelMax"))
|
|
|
|
return bus_append_log_level_from_string(m, field, eq);
|
|
|
|
if (streq(field, "SyslogFacility"))
|
|
|
|
return bus_append_log_facility_unshifted_from_string(m, field, eq);
|
|
|
|
if (streq(field, "SecureBits"))
|
|
|
|
return bus_append_secure_bits_from_string(m, field, eq);
|
|
|
|
if (streq(field, "CPUSchedulingPolicy"))
|
|
|
|
return bus_append_sched_policy_from_string(m, field, eq);
|
|
|
|
if (STR_IN_SET(field, "CPUSchedulingPriority", "OOMScoreAdjust"))
|
|
|
|
return bus_append_safe_atoi(m, field, eq);
|
|
|
|
if (streq(field, "Nice"))
|
|
|
|
return bus_append_parse_nice(m, field, eq);
|
|
|
|
if (streq(field, "SystemCallErrorNumber"))
|
|
|
|
return bus_append_parse_errno(m, field, eq);
|
|
|
|
if (streq(field, "IOSchedulingClass"))
|
|
|
|
return bus_append_ioprio_class_from_string(m, field, eq);
|
|
|
|
if (streq(field, "IOSchedulingPriority"))
|
|
|
|
return bus_append_ioprio_parse_priority(m, field, eq);
|
|
|
|
if (STR_IN_SET(field,
|
|
"RuntimeDirectoryMode", "StateDirectoryMode", "CacheDirectoryMode",
|
|
"LogsDirectoryMode", "ConfigurationDirectoryMode", "UMask"))
|
|
|
|
return bus_append_parse_mode(m, field, eq);
|
|
|
|
if (streq(field, "TimerSlackNSec"))
|
|
|
|
return bus_append_parse_nsec(m, field, eq);
|
|
|
|
if (streq(field, "MountFlags"))
|
|
|
|
return bus_append_mount_propagation_flags_from_string(m, field, eq);
|
|
|
|
if (STR_IN_SET(field, "Environment", "UnsetEnvironment", "PassEnvironment"))
|
|
|
|
return bus_append_strv(m, field, eq, EXTRACT_QUOTES|EXTRACT_CUNESCAPE);
|
|
|
|
if (streq(field, "EnvironmentFile")) {
|
|
|
|
if (isempty(eq))
|
|
r = sd_bus_message_append(m, "(sv)", "EnvironmentFiles", "a(sb)", 0);
|
|
else
|
|
r = sd_bus_message_append(m, "(sv)", "EnvironmentFiles", "a(sb)", 1,
|
|
eq[0] == '-' ? eq + 1 : eq,
|
|
eq[0] == '-');
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
return 1;
|
|
}
|
|
|
|
if (streq(field, "LogExtraFields")) {
|
|
|
|
r = sd_bus_message_open_container(m, 'r', "sv");
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_append_basic(m, 's', "LogExtraFields");
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_open_container(m, 'v', "aay");
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_open_container(m, 'a', "ay");
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_append_array(m, 'y', eq, strlen(eq));
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_close_container(m);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_close_container(m);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_close_container(m);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
return 1;
|
|
}
|
|
|
|
if (STR_IN_SET(field, "StandardInput", "StandardOutput", "StandardError")) {
|
|
const char *n, *appended;
|
|
|
|
if ((n = startswith(eq, "fd:"))) {
|
|
appended = strjoina(field, "FileDescriptorName");
|
|
r = sd_bus_message_append(m, "(sv)", appended, "s", n);
|
|
} else if ((n = startswith(eq, "file:"))) {
|
|
appended = strjoina(field, "File");
|
|
r = sd_bus_message_append(m, "(sv)", appended, "s", n);
|
|
} else
|
|
r = sd_bus_message_append(m, "(sv)", field, "s", eq);
|
|
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
return 1;
|
|
}
|
|
|
|
if (streq(field, "StandardInputText")) {
|
|
_cleanup_free_ char *unescaped = NULL;
|
|
|
|
r = cunescape(eq, 0, &unescaped);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to unescape text '%s': %m", eq);
|
|
|
|
if (!strextend(&unescaped, "\n", NULL))
|
|
return log_oom();
|
|
|
|
/* Note that we don't expand specifiers here, but that should be OK, as this is a programmatic
|
|
* interface anyway */
|
|
|
|
return bus_append_byte_array(m, field, unescaped, strlen(unescaped));
|
|
}
|
|
|
|
if (streq(field, "StandardInputData")) {
|
|
_cleanup_free_ void *decoded = NULL;
|
|
size_t sz;
|
|
|
|
r = unbase64mem(eq, (size_t) -1, &decoded, &sz);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to decode base64 data '%s': %m", eq);
|
|
|
|
return bus_append_byte_array(m, field, decoded, sz);
|
|
}
|
|
|
|
if ((suffix = startswith(field, "Limit"))) {
|
|
int rl;
|
|
|
|
rl = rlimit_from_string(suffix);
|
|
if (rl >= 0) {
|
|
const char *sn;
|
|
struct rlimit l;
|
|
|
|
r = rlimit_parse(rl, eq, &l);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to parse resource limit: %s", eq);
|
|
|
|
r = sd_bus_message_append(m, "(sv)", field, "t", l.rlim_max);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
sn = strjoina(field, "Soft");
|
|
r = sd_bus_message_append(m, "(sv)", sn, "t", l.rlim_cur);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
if (STR_IN_SET(field, "AppArmorProfile", "SmackProcessLabel")) {
|
|
int ignore = 0;
|
|
const char *s = eq;
|
|
|
|
if (eq[0] == '-') {
|
|
ignore = 1;
|
|
s = eq + 1;
|
|
}
|
|
|
|
r = sd_bus_message_append(m, "(sv)", field, "(bs)", ignore, s);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
return 1;
|
|
}
|
|
|
|
if (STR_IN_SET(field, "CapabilityBoundingSet", "AmbientCapabilities")) {
|
|
uint64_t sum = 0;
|
|
bool invert = false;
|
|
const char *p = eq;
|
|
|
|
if (*p == '~') {
|
|
invert = true;
|
|
p++;
|
|
}
|
|
|
|
r = capability_set_from_string(p, &sum);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to parse %s value %s: %m", field, eq);
|
|
|
|
sum = invert ? ~sum : sum;
|
|
|
|
r = sd_bus_message_append(m, "(sv)", field, "t", sum);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
return 1;
|
|
}
|
|
|
|
if (streq(field, "CPUAffinity")) {
|
|
_cleanup_cpu_free_ cpu_set_t *cpuset = NULL;
|
|
|
|
r = parse_cpu_set(eq, &cpuset);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to parse %s value: %s", field, eq);
|
|
|
|
return bus_append_byte_array(m, field, cpuset, CPU_ALLOC_SIZE(r));
|
|
}
|
|
|
|
if (STR_IN_SET(field, "RestrictAddressFamilies", "SystemCallFilter")) {
|
|
int whitelist = 1;
|
|
const char *p = eq;
|
|
|
|
if (*p == '~') {
|
|
whitelist = 0;
|
|
p++;
|
|
}
|
|
|
|
r = sd_bus_message_open_container(m, SD_BUS_TYPE_STRUCT, "sv");
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_append_basic(m, SD_BUS_TYPE_STRING, field);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_open_container(m, 'v', "(bas)");
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_open_container(m, 'r', "bas");
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_append_basic(m, 'b', &whitelist);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_open_container(m, 'a', "s");
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
for (p = eq;;) {
|
|
_cleanup_free_ char *word = NULL;
|
|
|
|
r = extract_first_word(&p, &word, NULL, EXTRACT_QUOTES);
|
|
if (r == 0)
|
|
break;
|
|
if (r == -ENOMEM)
|
|
return log_oom();
|
|
if (r < 0)
|
|
return log_error_errno(r, "Invalid syntax: %s", eq);
|
|
|
|
r = sd_bus_message_append_basic(m, 's', word);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
}
|
|
|
|
r = sd_bus_message_close_container(m);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_close_container(m);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_close_container(m);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_close_container(m);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
return 1;
|
|
}
|
|
|
|
if (streq(field, "RestrictNamespaces")) {
|
|
bool invert = false;
|
|
unsigned long flags;
|
|
|
|
r = parse_boolean(eq);
|
|
if (r > 0)
|
|
flags = 0;
|
|
else if (r == 0)
|
|
flags = NAMESPACE_FLAGS_ALL;
|
|
else {
|
|
if (eq[0] == '~') {
|
|
invert = true;
|
|
eq++;
|
|
}
|
|
|
|
r = namespace_flags_from_string(eq, &flags);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to parse %s value %s.", field, eq);
|
|
}
|
|
|
|
if (invert)
|
|
flags = (~flags) & NAMESPACE_FLAGS_ALL;
|
|
|
|
r = sd_bus_message_append(m, "(sv)", field, "t", (uint64_t) flags);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
return 1;
|
|
}
|
|
|
|
if (STR_IN_SET(field, "BindPaths", "BindReadOnlyPaths")) {
|
|
const char *p = eq;
|
|
|
|
r = sd_bus_message_open_container(m, SD_BUS_TYPE_STRUCT, "sv");
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_append_basic(m, SD_BUS_TYPE_STRING, field);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_open_container(m, 'v', "a(ssbt)");
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_open_container(m, 'a', "(ssbt)");
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
for (;;) {
|
|
_cleanup_free_ char *source = NULL, *destination = NULL;
|
|
char *s = NULL, *d = NULL;
|
|
bool ignore_enoent = false;
|
|
uint64_t flags = MS_REC;
|
|
|
|
r = extract_first_word(&p, &source, ":" WHITESPACE, EXTRACT_QUOTES|EXTRACT_DONT_COALESCE_SEPARATORS);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to parse argument: %m");
|
|
if (r == 0)
|
|
break;
|
|
|
|
s = source;
|
|
if (s[0] == '-') {
|
|
ignore_enoent = true;
|
|
s++;
|
|
}
|
|
|
|
if (p && p[-1] == ':') {
|
|
r = extract_first_word(&p, &destination, ":" WHITESPACE, EXTRACT_QUOTES|EXTRACT_DONT_COALESCE_SEPARATORS);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to parse argument: %m");
|
|
if (r == 0) {
|
|
log_error("Missing argument after ':': %s", eq);
|
|
return -EINVAL;
|
|
}
|
|
|
|
d = destination;
|
|
|
|
if (p && p[-1] == ':') {
|
|
_cleanup_free_ char *options = NULL;
|
|
|
|
r = extract_first_word(&p, &options, NULL, EXTRACT_QUOTES);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to parse argument: %m");
|
|
|
|
if (isempty(options) || streq(options, "rbind"))
|
|
flags = MS_REC;
|
|
else if (streq(options, "norbind"))
|
|
flags = 0;
|
|
else {
|
|
log_error("Unknown options: %s", eq);
|
|
return -EINVAL;
|
|
}
|
|
}
|
|
} else
|
|
d = s;
|
|
|
|
r = sd_bus_message_append(m, "(ssbt)", s, d, ignore_enoent, flags);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
}
|
|
|
|
r = sd_bus_message_close_container(m);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_close_container(m);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_close_container(m);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
return 1;
|
|
}
|
|
|
|
if (streq(field, "TemporaryFileSystem")) {
|
|
const char *p = eq;
|
|
|
|
r = sd_bus_message_open_container(m, SD_BUS_TYPE_STRUCT, "sv");
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_append_basic(m, SD_BUS_TYPE_STRING, field);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_open_container(m, 'v', "a(ss)");
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_open_container(m, 'a', "(ss)");
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
for (;;) {
|
|
_cleanup_free_ char *word = NULL, *path = NULL;
|
|
const char *w;
|
|
|
|
r = extract_first_word(&p, &word, NULL, EXTRACT_QUOTES);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to parse argument: %m");
|
|
if (r == 0)
|
|
break;
|
|
|
|
w = word;
|
|
r = extract_first_word(&w, &path, ":", EXTRACT_DONT_COALESCE_SEPARATORS);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to parse argument: %m");
|
|
if (r == 0) {
|
|
log_error("Failed to parse argument: %s", p);
|
|
return -EINVAL;
|
|
}
|
|
|
|
r = sd_bus_message_append(m, "(ss)", path, w);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
}
|
|
|
|
r = sd_bus_message_close_container(m);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_close_container(m);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_close_container(m);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int bus_append_kill_property(sd_bus_message *m, const char *field, const char *eq) {
|
|
|
|
if (streq(field, "KillMode"))
|
|
|
|
return bus_append_string(m, field, eq);
|
|
|
|
if (STR_IN_SET(field, "SendSIGHUP", "SendSIGKILL"))
|
|
|
|
return bus_append_parse_boolean(m, field, eq);
|
|
|
|
if (streq(field, "KillSignal"))
|
|
|
|
return bus_append_signal_from_string(m, field, eq);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int bus_append_mount_property(sd_bus_message *m, const char *field, const char *eq) {
|
|
|
|
if (STR_IN_SET(field, "What", "Where", "Options", "Type"))
|
|
|
|
return bus_append_string(m, field, eq);
|
|
|
|
if (streq(field, "TimeoutSec"))
|
|
|
|
return bus_append_parse_sec_rename(m, field, eq);
|
|
|
|
if (streq(field, "DirectoryMode"))
|
|
|
|
return bus_append_parse_mode(m, field, eq);
|
|
|
|
if (STR_IN_SET(field, "SloppyOptions", "LazyUnmount", "ForceUnmount"))
|
|
|
|
return bus_append_parse_boolean(m, field, eq);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int bus_append_path_property(sd_bus_message *m, const char *field, const char *eq) {
|
|
int r;
|
|
|
|
if (streq(field, "MakeDirectory"))
|
|
|
|
return bus_append_parse_boolean(m, field, eq);
|
|
|
|
if (streq(field, "DirectoryMode"))
|
|
|
|
return bus_append_parse_mode(m, field, eq);
|
|
|
|
if (STR_IN_SET(field,
|
|
"PathExists", "PathExistsGlob", "PathChanged",
|
|
"PathModified", "DirectoryNotEmpty")) {
|
|
|
|
if (isempty(eq))
|
|
r = sd_bus_message_append(m, "(sv)", "Paths", "a(ss)", 0);
|
|
else
|
|
r = sd_bus_message_append(m, "(sv)", "Paths", "a(ss)", 1, field, eq);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int bus_append_service_property(sd_bus_message *m, const char *field, const char *eq) {
|
|
int r;
|
|
|
|
if (STR_IN_SET(field,
|
|
"PIDFile", "Type", "Restart", "BusName", "NotifyAccess",
|
|
"USBFunctionDescriptors", "USBFunctionStrings"))
|
|
|
|
return bus_append_string(m, field, eq);
|
|
|
|
if (STR_IN_SET(field, "PermissionsStartOnly", "RootDirectoryStartOnly", "RemainAfterExit", "GuessMainPID"))
|
|
|
|
return bus_append_parse_boolean(m, field, eq);
|
|
|
|
if (STR_IN_SET(field, "RestartSec", "TimeoutStartSec", "TimeoutStopSec", "RuntimeMaxSec", "WatchdogSec"))
|
|
|
|
return bus_append_parse_sec_rename(m, field, eq);
|
|
|
|
if (streq(field, "TimeoutSec")) {
|
|
|
|
r = bus_append_parse_sec_rename(m, "TimeoutStartSec", eq);
|
|
if (r < 0)
|
|
return r;
|
|
|
|
return bus_append_parse_sec_rename(m, "TimeoutStopSec", eq);
|
|
}
|
|
|
|
if (streq(field, "FileDescriptorStoreMax"))
|
|
|
|
return bus_append_safe_atou(m, field, eq);
|
|
|
|
if (STR_IN_SET(field,
|
|
"ExecStartPre", "ExecStart", "ExecStartPost",
|
|
"ExecReload", "ExecStop", "ExecStopPost"))
|
|
|
|
return bus_append_exec_command(m, field, eq);
|
|
|
|
if (STR_IN_SET(field, "RestartPreventExitStatus", "RestartForceExitStatus", "SuccessExitStatus")) {
|
|
_cleanup_free_ int *status = NULL, *signal = NULL;
|
|
size_t sz_status = 0, sz_signal = 0;
|
|
const char *p;
|
|
|
|
for (p = eq;;) {
|
|
_cleanup_free_ char *word = NULL;
|
|
int val;
|
|
|
|
r = extract_first_word(&p, &word, NULL, EXTRACT_QUOTES);
|
|
if (r == 0)
|
|
break;
|
|
if (r == -ENOMEM)
|
|
return log_oom();
|
|
if (r < 0)
|
|
return log_error_errno(r, "Invalid syntax in %s: %s", field, eq);
|
|
|
|
r = safe_atoi(word, &val);
|
|
if (r < 0) {
|
|
val = signal_from_string(word);
|
|
if (val < 0)
|
|
return log_error_errno(r, "Invalid status or signal %s in %s: %m", word, field);
|
|
|
|
signal = reallocarray(signal, sz_signal + 1, sizeof(int));
|
|
if (!signal)
|
|
return log_oom();
|
|
|
|
signal[sz_signal++] = val;
|
|
} else {
|
|
status = reallocarray(status, sz_status + 1, sizeof(int));
|
|
if (!status)
|
|
return log_oom();
|
|
|
|
status[sz_status++] = val;
|
|
}
|
|
}
|
|
|
|
r = sd_bus_message_open_container(m, SD_BUS_TYPE_STRUCT, "sv");
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_append_basic(m, SD_BUS_TYPE_STRING, field);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_open_container(m, 'v', "(aiai)");
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_open_container(m, 'r', "aiai");
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_append_array(m, 'i', status, sz_status);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_append_array(m, 'i', signal, sz_signal);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_close_container(m);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_close_container(m);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_close_container(m);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int bus_append_socket_property(sd_bus_message *m, const char *field, const char *eq) {
|
|
int r;
|
|
|
|
if (STR_IN_SET(field,
|
|
"Accept", "Writable", "KeepAlive", "NoDelay", "FreeBind", "Transparent", "Broadcast",
|
|
"PassCredentials", "PassSecurity", "ReusePort", "RemoveOnStop", "SELinuxContextFromNet"))
|
|
|
|
return bus_append_parse_boolean(m, field, eq);
|
|
|
|
if (STR_IN_SET(field, "Priority", "IPTTL", "Mark"))
|
|
|
|
return bus_append_safe_atoi(m, field, eq);
|
|
|
|
if (streq(field, "IPTOS"))
|
|
|
|
return bus_append_ip_tos_from_string(m, field, eq);
|
|
|
|
if (STR_IN_SET(field, "Backlog", "MaxConnections", "MaxConnectionsPerSource", "KeepAliveProbes", "TriggerLimitBurst"))
|
|
|
|
return bus_append_safe_atou(m, field, eq);
|
|
|
|
if (STR_IN_SET(field, "SocketMode", "DirectoryMode"))
|
|
|
|
return bus_append_parse_mode(m, field, eq);
|
|
|
|
if (STR_IN_SET(field, "MessageQueueMaxMessages", "MessageQueueMessageSize"))
|
|
|
|
return bus_append_safe_atoi64(m, field, eq);
|
|
|
|
if (STR_IN_SET(field, "TimeoutSec", "KeepAliveTimeSec", "KeepAliveIntervalSec", "DeferAcceptSec", "TriggerLimitIntervalSec"))
|
|
|
|
return bus_append_parse_sec_rename(m, field, eq);
|
|
|
|
if (STR_IN_SET(field, "ReceiveBuffer", "SendBuffer", "PipeSize"))
|
|
|
|
return bus_append_parse_size(m, field, eq, 1024);
|
|
|
|
if (STR_IN_SET(field, "ExecStartPre", "ExecStartPost", "ExecReload", "ExecStopPost"))
|
|
|
|
return bus_append_exec_command(m, field, eq);
|
|
|
|
if (STR_IN_SET(field,
|
|
"SmackLabel", "SmackLabelIPIn", "SmackLabelIPOut", "TCPCongestion",
|
|
"BindToDevice", "BindIPv6Only", "FileDescriptorName",
|
|
"SocketUser", "SocketGroup"))
|
|
|
|
return bus_append_string(m, field, eq);
|
|
|
|
if (streq(field, "Symlinks"))
|
|
|
|
return bus_append_strv(m, field, eq, EXTRACT_QUOTES);
|
|
|
|
if (streq(field, "SocketProtocol"))
|
|
|
|
return bus_append_socket_protocol_from_name(m, field, eq);
|
|
|
|
if (STR_IN_SET(field,
|
|
"ListenStream", "ListenDatagram", "ListenSequentialPacket", "ListenNetlink",
|
|
"ListenSpecial", "ListenMessageQueue", "ListenFIFO", "ListenUSBFunction")) {
|
|
|
|
if (isempty(eq))
|
|
r = sd_bus_message_append(m, "(sv)", "Listen", "a(ss)", 0);
|
|
else
|
|
r = sd_bus_message_append(m, "(sv)", "Listen", "a(ss)", 1, field + STRLEN("Listen"), eq);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
static int bus_append_timer_property(sd_bus_message *m, const char *field, const char *eq) {
|
|
int r;
|
|
|
|
if (STR_IN_SET(field, "WakeSystem", "RemainAfterElapse", "Persistent"))
|
|
|
|
return bus_append_parse_boolean(m, field, eq);
|
|
|
|
if (STR_IN_SET(field, "AccuracySec", "RandomizedDelaySec"))
|
|
|
|
return bus_append_parse_sec_rename(m, field, eq);
|
|
|
|
if (STR_IN_SET(field,
|
|
"OnActiveSec", "OnBootSec", "OnStartupSec",
|
|
"OnUnitActiveSec","OnUnitInactiveSec")) {
|
|
|
|
if (isempty(eq))
|
|
r = sd_bus_message_append(m, "(sv)", "TimersMonotonic", "a(st)", 0);
|
|
else {
|
|
usec_t t;
|
|
r = parse_sec(eq, &t);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to parse %s=%s: %m", field, eq);
|
|
|
|
r = sd_bus_message_append(m, "(sv)", "TimersMonotonic", "a(st)", 1, field, t);
|
|
}
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
return 1;
|
|
}
|
|
|
|
if (streq(field, "OnCalendar")) {
|
|
|
|
if (isempty(eq))
|
|
r = sd_bus_message_append(m, "(sv)", "TimersCalendar", "a(ss)", 0);
|
|
else
|
|
r = sd_bus_message_append(m, "(sv)", "TimersCalendar", "a(ss)", 1, field, eq);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int bus_append_unit_property(sd_bus_message *m, const char *field, const char *eq) {
|
|
ConditionType t = _CONDITION_TYPE_INVALID;
|
|
bool is_condition = false;
|
|
int r;
|
|
|
|
if (STR_IN_SET(field,
|
|
"Description", "SourcePath", "OnFailureJobMode",
|
|
"JobTimeoutAction", "JobTimeoutRebootArgument",
|
|
"StartLimitAction", "FailureAction", "SuccessAction",
|
|
"RebootArgument", "CollectMode"))
|
|
|
|
return bus_append_string(m, field, eq);
|
|
|
|
if (STR_IN_SET(field,
|
|
"StopWhenUnneeded", "RefuseManualStart", "RefuseManualStop",
|
|
"AllowIsolate", "IgnoreOnIsolate", "DefaultDependencies"))
|
|
|
|
return bus_append_parse_boolean(m, field, eq);
|
|
|
|
if (STR_IN_SET(field, "JobTimeoutSec", "JobRunningTimeoutSec", "StartLimitIntervalSec"))
|
|
|
|
return bus_append_parse_sec_rename(m, field, eq);
|
|
|
|
if (streq(field, "StartLimitBurst"))
|
|
|
|
return bus_append_safe_atou(m, field, eq);
|
|
|
|
if (unit_dependency_from_string(field) >= 0 ||
|
|
STR_IN_SET(field, "Documentation", "RequiresMountsFor"))
|
|
|
|
return bus_append_strv(m, field, eq, EXTRACT_QUOTES);
|
|
|
|
t = condition_type_from_string(field);
|
|
if (t >= 0)
|
|
is_condition = true;
|
|
else
|
|
t = assert_type_from_string(field);
|
|
if (t >= 0) {
|
|
if (isempty(eq))
|
|
r = sd_bus_message_append(m, "(sv)", is_condition ? "Conditions" : "Asserts", "a(sbbs)", 0);
|
|
else {
|
|
const char *p = eq;
|
|
int trigger, negate;
|
|
|
|
trigger = *p == '|';
|
|
if (trigger)
|
|
p++;
|
|
|
|
negate = *p == '!';
|
|
if (negate)
|
|
p++;
|
|
|
|
r = sd_bus_message_append(m, "(sv)", is_condition ? "Conditions" : "Asserts", "a(sbbs)", 1,
|
|
field, trigger, negate, p);
|
|
}
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int bus_append_unit_property_assignment(sd_bus_message *m, UnitType t, const char *assignment) {
|
|
const char *eq, *field;
|
|
int r;
|
|
|
|
assert(m);
|
|
assert(assignment);
|
|
|
|
eq = strchr(assignment, '=');
|
|
if (!eq) {
|
|
log_error("Not an assignment: %s", assignment);
|
|
return -EINVAL;
|
|
}
|
|
|
|
field = strndupa(assignment, eq - assignment);
|
|
eq++;
|
|
|
|
switch (t) {
|
|
case UNIT_SERVICE:
|
|
r = bus_append_cgroup_property(m, field, eq);
|
|
if (r != 0)
|
|
return r;
|
|
|
|
r = bus_append_execute_property(m, field, eq);
|
|
if (r != 0)
|
|
return r;
|
|
|
|
r = bus_append_kill_property(m, field, eq);
|
|
if (r != 0)
|
|
return r;
|
|
|
|
r = bus_append_service_property(m, field, eq);
|
|
if (r != 0)
|
|
return r;
|
|
break;
|
|
|
|
case UNIT_SOCKET:
|
|
r = bus_append_cgroup_property(m, field, eq);
|
|
if (r != 0)
|
|
return r;
|
|
|
|
r = bus_append_execute_property(m, field, eq);
|
|
if (r != 0)
|
|
return r;
|
|
|
|
r = bus_append_kill_property(m, field, eq);
|
|
if (r != 0)
|
|
return r;
|
|
|
|
r = bus_append_socket_property(m, field, eq);
|
|
if (r != 0)
|
|
return r;
|
|
break;
|
|
|
|
case UNIT_TIMER:
|
|
r = bus_append_timer_property(m, field, eq);
|
|
if (r != 0)
|
|
return r;
|
|
break;
|
|
|
|
case UNIT_PATH:
|
|
r = bus_append_path_property(m, field, eq);
|
|
if (r != 0)
|
|
return r;
|
|
break;
|
|
|
|
case UNIT_SLICE:
|
|
r = bus_append_cgroup_property(m, field, eq);
|
|
if (r != 0)
|
|
return r;
|
|
break;
|
|
|
|
case UNIT_SCOPE:
|
|
|
|
if (streq(field, "TimeoutStopSec"))
|
|
return bus_append_parse_sec_rename(m, field, eq);
|
|
|
|
r = bus_append_cgroup_property(m, field, eq);
|
|
if (r != 0)
|
|
return r;
|
|
|
|
r = bus_append_kill_property(m, field, eq);
|
|
if (r != 0)
|
|
return r;
|
|
break;
|
|
|
|
case UNIT_MOUNT:
|
|
r = bus_append_cgroup_property(m, field, eq);
|
|
if (r != 0)
|
|
return r;
|
|
|
|
r = bus_append_execute_property(m, field, eq);
|
|
if (r != 0)
|
|
return r;
|
|
|
|
r = bus_append_kill_property(m, field, eq);
|
|
if (r != 0)
|
|
return r;
|
|
|
|
r = bus_append_mount_property(m, field, eq);
|
|
if (r != 0)
|
|
return r;
|
|
|
|
break;
|
|
|
|
case UNIT_AUTOMOUNT:
|
|
r = bus_append_automount_property(m, field, eq);
|
|
if (r != 0)
|
|
return r;
|
|
|
|
break;
|
|
|
|
case UNIT_TARGET:
|
|
case UNIT_DEVICE:
|
|
case UNIT_SWAP:
|
|
log_error("Not supported unit type");
|
|
return -EINVAL;
|
|
|
|
default:
|
|
log_error("Invalid unit type");
|
|
return -EINVAL;
|
|
}
|
|
|
|
r = bus_append_unit_property(m, field, eq);
|
|
if (r != 0)
|
|
return r;
|
|
|
|
log_error("Unknown assignment: %s", assignment);
|
|
return -EINVAL;
|
|
}
|
|
|
|
int bus_append_unit_property_assignment_many(sd_bus_message *m, UnitType t, char **l) {
|
|
char **i;
|
|
int r;
|
|
|
|
assert(m);
|
|
|
|
STRV_FOREACH(i, l) {
|
|
r = bus_append_unit_property_assignment(m, t, *i);
|
|
if (r < 0)
|
|
return r;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
typedef struct BusWaitForJobs {
|
|
sd_bus *bus;
|
|
Set *jobs;
|
|
|
|
char *name;
|
|
char *result;
|
|
|
|
sd_bus_slot *slot_job_removed;
|
|
sd_bus_slot *slot_disconnected;
|
|
} BusWaitForJobs;
|
|
|
|
static int match_disconnected(sd_bus_message *m, void *userdata, sd_bus_error *error) {
|
|
assert(m);
|
|
|
|
log_error("Warning! D-Bus connection terminated.");
|
|
sd_bus_close(sd_bus_message_get_bus(m));
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int match_job_removed(sd_bus_message *m, void *userdata, sd_bus_error *error) {
|
|
const char *path, *unit, *result;
|
|
BusWaitForJobs *d = userdata;
|
|
uint32_t id;
|
|
char *found;
|
|
int r;
|
|
|
|
assert(m);
|
|
assert(d);
|
|
|
|
r = sd_bus_message_read(m, "uoss", &id, &path, &unit, &result);
|
|
if (r < 0) {
|
|
bus_log_parse_error(r);
|
|
return 0;
|
|
}
|
|
|
|
found = set_remove(d->jobs, (char*) path);
|
|
if (!found)
|
|
return 0;
|
|
|
|
free(found);
|
|
|
|
if (!isempty(result))
|
|
d->result = strdup(result);
|
|
|
|
if (!isempty(unit))
|
|
d->name = strdup(unit);
|
|
|
|
return 0;
|
|
}
|
|
|
|
void bus_wait_for_jobs_free(BusWaitForJobs *d) {
|
|
if (!d)
|
|
return;
|
|
|
|
set_free_free(d->jobs);
|
|
|
|
sd_bus_slot_unref(d->slot_disconnected);
|
|
sd_bus_slot_unref(d->slot_job_removed);
|
|
|
|
sd_bus_unref(d->bus);
|
|
|
|
free(d->name);
|
|
free(d->result);
|
|
|
|
free(d);
|
|
}
|
|
|
|
int bus_wait_for_jobs_new(sd_bus *bus, BusWaitForJobs **ret) {
|
|
_cleanup_(bus_wait_for_jobs_freep) BusWaitForJobs *d = NULL;
|
|
int r;
|
|
|
|
assert(bus);
|
|
assert(ret);
|
|
|
|
d = new0(BusWaitForJobs, 1);
|
|
if (!d)
|
|
return -ENOMEM;
|
|
|
|
d->bus = sd_bus_ref(bus);
|
|
|
|
/* When we are a bus client we match by sender. Direct
|
|
* connections OTOH have no initialized sender field, and
|
|
* hence we ignore the sender then */
|
|
r = sd_bus_match_signal_async(
|
|
bus,
|
|
&d->slot_job_removed,
|
|
bus->bus_client ? "org.freedesktop.systemd1" : NULL,
|
|
"/org/freedesktop/systemd1",
|
|
"org.freedesktop.systemd1.Manager",
|
|
"JobRemoved",
|
|
match_job_removed, NULL, d);
|
|
if (r < 0)
|
|
return r;
|
|
|
|
r = sd_bus_match_signal_async(
|
|
bus,
|
|
&d->slot_disconnected,
|
|
"org.freedesktop.DBus.Local",
|
|
NULL,
|
|
"org.freedesktop.DBus.Local",
|
|
"Disconnected",
|
|
match_disconnected, NULL, d);
|
|
if (r < 0)
|
|
return r;
|
|
|
|
*ret = TAKE_PTR(d);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int bus_process_wait(sd_bus *bus) {
|
|
int r;
|
|
|
|
for (;;) {
|
|
r = sd_bus_process(bus, NULL);
|
|
if (r < 0)
|
|
return r;
|
|
if (r > 0)
|
|
return 0;
|
|
|
|
r = sd_bus_wait(bus, (uint64_t) -1);
|
|
if (r < 0)
|
|
return r;
|
|
}
|
|
}
|
|
|
|
static int bus_job_get_service_result(BusWaitForJobs *d, char **result) {
|
|
_cleanup_free_ char *dbus_path = NULL;
|
|
|
|
assert(d);
|
|
assert(d->name);
|
|
assert(result);
|
|
|
|
if (!endswith(d->name, ".service"))
|
|
return -EINVAL;
|
|
|
|
dbus_path = unit_dbus_path_from_name(d->name);
|
|
if (!dbus_path)
|
|
return -ENOMEM;
|
|
|
|
return sd_bus_get_property_string(d->bus,
|
|
"org.freedesktop.systemd1",
|
|
dbus_path,
|
|
"org.freedesktop.systemd1.Service",
|
|
"Result",
|
|
NULL,
|
|
result);
|
|
}
|
|
|
|
static const struct {
|
|
const char *result, *explanation;
|
|
} explanations [] = {
|
|
{ "resources", "of unavailable resources or another system error" },
|
|
{ "protocol", "the service did not take the steps required by its unit configuration" },
|
|
{ "timeout", "a timeout was exceeded" },
|
|
{ "exit-code", "the control process exited with error code" },
|
|
{ "signal", "a fatal signal was delivered to the control process" },
|
|
{ "core-dump", "a fatal signal was delivered causing the control process to dump core" },
|
|
{ "watchdog", "the service failed to send watchdog ping" },
|
|
{ "start-limit", "start of the service was attempted too often" }
|
|
};
|
|
|
|
static void log_job_error_with_service_result(const char* service, const char *result, const char* const* extra_args) {
|
|
_cleanup_free_ char *service_shell_quoted = NULL;
|
|
const char *systemctl = "systemctl", *journalctl = "journalctl";
|
|
|
|
assert(service);
|
|
|
|
service_shell_quoted = shell_maybe_quote(service, ESCAPE_BACKSLASH);
|
|
|
|
if (!strv_isempty((char**) extra_args)) {
|
|
_cleanup_free_ char *t;
|
|
|
|
t = strv_join((char**) extra_args, " ");
|
|
systemctl = strjoina("systemctl ", t ? : "<args>");
|
|
journalctl = strjoina("journalctl ", t ? : "<args>");
|
|
}
|
|
|
|
if (!isempty(result)) {
|
|
unsigned i;
|
|
|
|
for (i = 0; i < ELEMENTSOF(explanations); ++i)
|
|
if (streq(result, explanations[i].result))
|
|
break;
|
|
|
|
if (i < ELEMENTSOF(explanations)) {
|
|
log_error("Job for %s failed because %s.\n"
|
|
"See \"%s status %s\" and \"%s -xe\" for details.\n",
|
|
service,
|
|
explanations[i].explanation,
|
|
systemctl,
|
|
service_shell_quoted ?: "<service>",
|
|
journalctl);
|
|
goto finish;
|
|
}
|
|
}
|
|
|
|
log_error("Job for %s failed.\n"
|
|
"See \"%s status %s\" and \"%s -xe\" for details.\n",
|
|
service,
|
|
systemctl,
|
|
service_shell_quoted ?: "<service>",
|
|
journalctl);
|
|
|
|
finish:
|
|
/* For some results maybe additional explanation is required */
|
|
if (streq_ptr(result, "start-limit"))
|
|
log_info("To force a start use \"%1$s reset-failed %2$s\"\n"
|
|
"followed by \"%1$s start %2$s\" again.",
|
|
systemctl,
|
|
service_shell_quoted ?: "<service>");
|
|
}
|
|
|
|
static int check_wait_response(BusWaitForJobs *d, bool quiet, const char* const* extra_args) {
|
|
assert(d->result);
|
|
|
|
if (!quiet) {
|
|
if (streq(d->result, "canceled"))
|
|
log_error("Job for %s canceled.", strna(d->name));
|
|
else if (streq(d->result, "timeout"))
|
|
log_error("Job for %s timed out.", strna(d->name));
|
|
else if (streq(d->result, "dependency"))
|
|
log_error("A dependency job for %s failed. See 'journalctl -xe' for details.", strna(d->name));
|
|
else if (streq(d->result, "invalid"))
|
|
log_error("%s is not active, cannot reload.", strna(d->name));
|
|
else if (streq(d->result, "assert"))
|
|
log_error("Assertion failed on job for %s.", strna(d->name));
|
|
else if (streq(d->result, "unsupported"))
|
|
log_error("Operation on or unit type of %s not supported on this system.", strna(d->name));
|
|
else if (streq(d->result, "collected"))
|
|
log_error("Queued job for %s was garbage collected.", strna(d->name));
|
|
else if (streq(d->result, "once"))
|
|
log_error("Unit %s was started already once and can't be started again.", strna(d->name));
|
|
else if (!STR_IN_SET(d->result, "done", "skipped")) {
|
|
if (d->name) {
|
|
_cleanup_free_ char *result = NULL;
|
|
int q;
|
|
|
|
q = bus_job_get_service_result(d, &result);
|
|
if (q < 0)
|
|
log_debug_errno(q, "Failed to get Result property of unit %s: %m", d->name);
|
|
|
|
log_job_error_with_service_result(d->name, result, extra_args);
|
|
} else
|
|
log_error("Job failed. See \"journalctl -xe\" for details.");
|
|
}
|
|
}
|
|
|
|
if (STR_IN_SET(d->result, "canceled", "collected"))
|
|
return -ECANCELED;
|
|
else if (streq(d->result, "timeout"))
|
|
return -ETIME;
|
|
else if (streq(d->result, "dependency"))
|
|
return -EIO;
|
|
else if (streq(d->result, "invalid"))
|
|
return -ENOEXEC;
|
|
else if (streq(d->result, "assert"))
|
|
return -EPROTO;
|
|
else if (streq(d->result, "unsupported"))
|
|
return -EOPNOTSUPP;
|
|
else if (streq(d->result, "once"))
|
|
return -ESTALE;
|
|
else if (STR_IN_SET(d->result, "done", "skipped"))
|
|
return 0;
|
|
|
|
log_debug("Unexpected job result, assuming server side newer than us: %s", d->result);
|
|
return -EIO;
|
|
}
|
|
|
|
int bus_wait_for_jobs(BusWaitForJobs *d, bool quiet, const char* const* extra_args) {
|
|
int r = 0;
|
|
|
|
assert(d);
|
|
|
|
while (!set_isempty(d->jobs)) {
|
|
int q;
|
|
|
|
q = bus_process_wait(d->bus);
|
|
if (q < 0)
|
|
return log_error_errno(q, "Failed to wait for response: %m");
|
|
|
|
if (d->result) {
|
|
q = check_wait_response(d, quiet, extra_args);
|
|
/* Return the first error as it is most likely to be
|
|
* meaningful. */
|
|
if (q < 0 && r == 0)
|
|
r = q;
|
|
|
|
log_debug_errno(q, "Got result %s/%m for job %s", strna(d->result), strna(d->name));
|
|
}
|
|
|
|
d->name = mfree(d->name);
|
|
d->result = mfree(d->result);
|
|
}
|
|
|
|
return r;
|
|
}
|
|
|
|
int bus_wait_for_jobs_add(BusWaitForJobs *d, const char *path) {
|
|
int r;
|
|
|
|
assert(d);
|
|
|
|
r = set_ensure_allocated(&d->jobs, &string_hash_ops);
|
|
if (r < 0)
|
|
return r;
|
|
|
|
return set_put_strdup(d->jobs, path);
|
|
}
|
|
|
|
int bus_wait_for_jobs_one(BusWaitForJobs *d, const char *path, bool quiet) {
|
|
int r;
|
|
|
|
r = bus_wait_for_jobs_add(d, path);
|
|
if (r < 0)
|
|
return log_oom();
|
|
|
|
return bus_wait_for_jobs(d, quiet, NULL);
|
|
}
|
|
|
|
int bus_deserialize_and_dump_unit_file_changes(sd_bus_message *m, bool quiet, UnitFileChange **changes, size_t *n_changes) {
|
|
const char *type, *path, *source;
|
|
int r;
|
|
|
|
/* changes is dereferenced when calling unit_file_dump_changes() later,
|
|
* so we have to make sure this is not NULL. */
|
|
assert(changes);
|
|
assert(n_changes);
|
|
|
|
r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sss)");
|
|
if (r < 0)
|
|
return bus_log_parse_error(r);
|
|
|
|
while ((r = sd_bus_message_read(m, "(sss)", &type, &path, &source)) > 0) {
|
|
/* We expect only "success" changes to be sent over the bus.
|
|
Hence, reject anything negative. */
|
|
UnitFileChangeType ch = unit_file_change_type_from_string(type);
|
|
|
|
if (ch < 0) {
|
|
log_notice("Manager reported unknown change type \"%s\" for path \"%s\", ignoring.", type, path);
|
|
continue;
|
|
}
|
|
|
|
r = unit_file_changes_add(changes, n_changes, ch, path, source);
|
|
if (r < 0)
|
|
return r;
|
|
}
|
|
if (r < 0)
|
|
return bus_log_parse_error(r);
|
|
|
|
r = sd_bus_message_exit_container(m);
|
|
if (r < 0)
|
|
return bus_log_parse_error(r);
|
|
|
|
unit_file_dump_changes(0, NULL, *changes, *n_changes, quiet);
|
|
return 0;
|
|
}
|
|
|
|
struct CGroupInfo {
|
|
char *cgroup_path;
|
|
bool is_const; /* If false, cgroup_path should be free()'d */
|
|
|
|
Hashmap *pids; /* PID → process name */
|
|
bool done;
|
|
|
|
struct CGroupInfo *parent;
|
|
LIST_FIELDS(struct CGroupInfo, siblings);
|
|
LIST_HEAD(struct CGroupInfo, children);
|
|
size_t n_children;
|
|
};
|
|
|
|
static bool IS_ROOT(const char *p) {
|
|
return isempty(p) || streq(p, "/");
|
|
}
|
|
|
|
static int add_cgroup(Hashmap *cgroups, const char *path, bool is_const, struct CGroupInfo **ret) {
|
|
struct CGroupInfo *parent = NULL, *cg;
|
|
int r;
|
|
|
|
assert(cgroups);
|
|
assert(ret);
|
|
|
|
if (IS_ROOT(path))
|
|
path = "/";
|
|
|
|
cg = hashmap_get(cgroups, path);
|
|
if (cg) {
|
|
*ret = cg;
|
|
return 0;
|
|
}
|
|
|
|
if (!IS_ROOT(path)) {
|
|
const char *e, *pp;
|
|
|
|
e = strrchr(path, '/');
|
|
if (!e)
|
|
return -EINVAL;
|
|
|
|
pp = strndupa(path, e - path);
|
|
if (!pp)
|
|
return -ENOMEM;
|
|
|
|
r = add_cgroup(cgroups, pp, false, &parent);
|
|
if (r < 0)
|
|
return r;
|
|
}
|
|
|
|
cg = new0(struct CGroupInfo, 1);
|
|
if (!cg)
|
|
return -ENOMEM;
|
|
|
|
if (is_const)
|
|
cg->cgroup_path = (char*) path;
|
|
else {
|
|
cg->cgroup_path = strdup(path);
|
|
if (!cg->cgroup_path) {
|
|
free(cg);
|
|
return -ENOMEM;
|
|
}
|
|
}
|
|
|
|
cg->is_const = is_const;
|
|
cg->parent = parent;
|
|
|
|
r = hashmap_put(cgroups, cg->cgroup_path, cg);
|
|
if (r < 0) {
|
|
if (!is_const)
|
|
free(cg->cgroup_path);
|
|
free(cg);
|
|
return r;
|
|
}
|
|
|
|
if (parent) {
|
|
LIST_PREPEND(siblings, parent->children, cg);
|
|
parent->n_children++;
|
|
}
|
|
|
|
*ret = cg;
|
|
return 1;
|
|
}
|
|
|
|
static int add_process(
|
|
Hashmap *cgroups,
|
|
const char *path,
|
|
pid_t pid,
|
|
const char *name) {
|
|
|
|
struct CGroupInfo *cg;
|
|
int r;
|
|
|
|
assert(cgroups);
|
|
assert(name);
|
|
assert(pid > 0);
|
|
|
|
r = add_cgroup(cgroups, path, true, &cg);
|
|
if (r < 0)
|
|
return r;
|
|
|
|
r = hashmap_ensure_allocated(&cg->pids, &trivial_hash_ops);
|
|
if (r < 0)
|
|
return r;
|
|
|
|
return hashmap_put(cg->pids, PID_TO_PTR(pid), (void*) name);
|
|
}
|
|
|
|
static void remove_cgroup(Hashmap *cgroups, struct CGroupInfo *cg) {
|
|
assert(cgroups);
|
|
assert(cg);
|
|
|
|
while (cg->children)
|
|
remove_cgroup(cgroups, cg->children);
|
|
|
|
hashmap_remove(cgroups, cg->cgroup_path);
|
|
|
|
if (!cg->is_const)
|
|
free(cg->cgroup_path);
|
|
|
|
hashmap_free(cg->pids);
|
|
|
|
if (cg->parent)
|
|
LIST_REMOVE(siblings, cg->parent->children, cg);
|
|
|
|
free(cg);
|
|
}
|
|
|
|
static int cgroup_info_compare_func(const void *a, const void *b) {
|
|
const struct CGroupInfo *x = *(const struct CGroupInfo* const*) a, *y = *(const struct CGroupInfo* const*) b;
|
|
|
|
assert(x);
|
|
assert(y);
|
|
|
|
return strcmp(x->cgroup_path, y->cgroup_path);
|
|
}
|
|
|
|
static int dump_processes(
|
|
Hashmap *cgroups,
|
|
const char *cgroup_path,
|
|
const char *prefix,
|
|
unsigned n_columns,
|
|
OutputFlags flags) {
|
|
|
|
struct CGroupInfo *cg;
|
|
int r;
|
|
|
|
assert(prefix);
|
|
|
|
if (IS_ROOT(cgroup_path))
|
|
cgroup_path = "/";
|
|
|
|
cg = hashmap_get(cgroups, cgroup_path);
|
|
if (!cg)
|
|
return 0;
|
|
|
|
if (!hashmap_isempty(cg->pids)) {
|
|
const char *name;
|
|
size_t n = 0, i;
|
|
pid_t *pids;
|
|
void *pidp;
|
|
Iterator j;
|
|
int width;
|
|
|
|
/* Order processes by their PID */
|
|
pids = newa(pid_t, hashmap_size(cg->pids));
|
|
|
|
HASHMAP_FOREACH_KEY(name, pidp, cg->pids, j)
|
|
pids[n++] = PTR_TO_PID(pidp);
|
|
|
|
assert(n == hashmap_size(cg->pids));
|
|
qsort_safe(pids, n, sizeof(pid_t), pid_compare_func);
|
|
|
|
width = DECIMAL_STR_WIDTH(pids[n-1]);
|
|
|
|
for (i = 0; i < n; i++) {
|
|
_cleanup_free_ char *e = NULL;
|
|
const char *special;
|
|
bool more;
|
|
|
|
name = hashmap_get(cg->pids, PID_TO_PTR(pids[i]));
|
|
assert(name);
|
|
|
|
if (n_columns != 0) {
|
|
unsigned k;
|
|
|
|
k = MAX(LESS_BY(n_columns, 2U + width + 1U), 20U);
|
|
|
|
e = ellipsize(name, k, 100);
|
|
if (e)
|
|
name = e;
|
|
}
|
|
|
|
more = i+1 < n || cg->children;
|
|
special = special_glyph(more ? TREE_BRANCH : TREE_RIGHT);
|
|
|
|
fprintf(stdout, "%s%s%*"PID_PRI" %s\n",
|
|
prefix,
|
|
special,
|
|
width, pids[i],
|
|
name);
|
|
}
|
|
}
|
|
|
|
if (cg->children) {
|
|
struct CGroupInfo **children, *child;
|
|
size_t n = 0, i;
|
|
|
|
/* Order subcgroups by their name */
|
|
children = newa(struct CGroupInfo*, cg->n_children);
|
|
LIST_FOREACH(siblings, child, cg->children)
|
|
children[n++] = child;
|
|
assert(n == cg->n_children);
|
|
qsort_safe(children, n, sizeof(struct CGroupInfo*), cgroup_info_compare_func);
|
|
|
|
if (n_columns != 0)
|
|
n_columns = MAX(LESS_BY(n_columns, 2U), 20U);
|
|
|
|
for (i = 0; i < n; i++) {
|
|
_cleanup_free_ char *pp = NULL;
|
|
const char *name, *special;
|
|
bool more;
|
|
|
|
child = children[i];
|
|
|
|
name = strrchr(child->cgroup_path, '/');
|
|
if (!name)
|
|
return -EINVAL;
|
|
name++;
|
|
|
|
more = i+1 < n;
|
|
special = special_glyph(more ? TREE_BRANCH : TREE_RIGHT);
|
|
|
|
fputs(prefix, stdout);
|
|
fputs(special, stdout);
|
|
fputs(name, stdout);
|
|
fputc('\n', stdout);
|
|
|
|
special = special_glyph(more ? TREE_VERTICAL : TREE_SPACE);
|
|
|
|
pp = strappend(prefix, special);
|
|
if (!pp)
|
|
return -ENOMEM;
|
|
|
|
r = dump_processes(cgroups, child->cgroup_path, pp, n_columns, flags);
|
|
if (r < 0)
|
|
return r;
|
|
}
|
|
}
|
|
|
|
cg->done = true;
|
|
return 0;
|
|
}
|
|
|
|
static int dump_extra_processes(
|
|
Hashmap *cgroups,
|
|
const char *prefix,
|
|
unsigned n_columns,
|
|
OutputFlags flags) {
|
|
|
|
_cleanup_free_ pid_t *pids = NULL;
|
|
_cleanup_hashmap_free_ Hashmap *names = NULL;
|
|
struct CGroupInfo *cg;
|
|
size_t n_allocated = 0, n = 0, k;
|
|
Iterator i;
|
|
int width, r;
|
|
|
|
/* Prints the extra processes, i.e. those that are in cgroups we haven't displayed yet. We show them as
|
|
* combined, sorted, linear list. */
|
|
|
|
HASHMAP_FOREACH(cg, cgroups, i) {
|
|
const char *name;
|
|
void *pidp;
|
|
Iterator j;
|
|
|
|
if (cg->done)
|
|
continue;
|
|
|
|
if (hashmap_isempty(cg->pids))
|
|
continue;
|
|
|
|
r = hashmap_ensure_allocated(&names, &trivial_hash_ops);
|
|
if (r < 0)
|
|
return r;
|
|
|
|
if (!GREEDY_REALLOC(pids, n_allocated, n + hashmap_size(cg->pids)))
|
|
return -ENOMEM;
|
|
|
|
HASHMAP_FOREACH_KEY(name, pidp, cg->pids, j) {
|
|
pids[n++] = PTR_TO_PID(pidp);
|
|
|
|
r = hashmap_put(names, pidp, (void*) name);
|
|
if (r < 0)
|
|
return r;
|
|
}
|
|
}
|
|
|
|
if (n == 0)
|
|
return 0;
|
|
|
|
qsort_safe(pids, n, sizeof(pid_t), pid_compare_func);
|
|
width = DECIMAL_STR_WIDTH(pids[n-1]);
|
|
|
|
for (k = 0; k < n; k++) {
|
|
_cleanup_free_ char *e = NULL;
|
|
const char *name;
|
|
|
|
name = hashmap_get(names, PID_TO_PTR(pids[k]));
|
|
assert(name);
|
|
|
|
if (n_columns != 0) {
|
|
unsigned z;
|
|
|
|
z = MAX(LESS_BY(n_columns, 2U + width + 1U), 20U);
|
|
|
|
e = ellipsize(name, z, 100);
|
|
if (e)
|
|
name = e;
|
|
}
|
|
|
|
fprintf(stdout, "%s%s %*" PID_PRI " %s\n",
|
|
prefix,
|
|
special_glyph(TRIANGULAR_BULLET),
|
|
width, pids[k],
|
|
name);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int unit_show_processes(
|
|
sd_bus *bus,
|
|
const char *unit,
|
|
const char *cgroup_path,
|
|
const char *prefix,
|
|
unsigned n_columns,
|
|
OutputFlags flags,
|
|
sd_bus_error *error) {
|
|
|
|
_cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
|
|
Hashmap *cgroups = NULL;
|
|
struct CGroupInfo *cg;
|
|
int r;
|
|
|
|
assert(bus);
|
|
assert(unit);
|
|
|
|
if (flags & OUTPUT_FULL_WIDTH)
|
|
n_columns = 0;
|
|
else if (n_columns <= 0)
|
|
n_columns = columns();
|
|
|
|
prefix = strempty(prefix);
|
|
|
|
r = sd_bus_call_method(
|
|
bus,
|
|
"org.freedesktop.systemd1",
|
|
"/org/freedesktop/systemd1",
|
|
"org.freedesktop.systemd1.Manager",
|
|
"GetUnitProcesses",
|
|
error,
|
|
&reply,
|
|
"s",
|
|
unit);
|
|
if (r < 0)
|
|
return r;
|
|
|
|
cgroups = hashmap_new(&path_hash_ops);
|
|
if (!cgroups)
|
|
return -ENOMEM;
|
|
|
|
r = sd_bus_message_enter_container(reply, 'a', "(sus)");
|
|
if (r < 0)
|
|
goto finish;
|
|
|
|
for (;;) {
|
|
const char *path = NULL, *name = NULL;
|
|
uint32_t pid;
|
|
|
|
r = sd_bus_message_read(reply, "(sus)", &path, &pid, &name);
|
|
if (r < 0)
|
|
goto finish;
|
|
if (r == 0)
|
|
break;
|
|
|
|
r = add_process(cgroups, path, pid, name);
|
|
if (r < 0)
|
|
goto finish;
|
|
}
|
|
|
|
r = sd_bus_message_exit_container(reply);
|
|
if (r < 0)
|
|
goto finish;
|
|
|
|
r = dump_processes(cgroups, cgroup_path, prefix, n_columns, flags);
|
|
if (r < 0)
|
|
goto finish;
|
|
|
|
r = dump_extra_processes(cgroups, prefix, n_columns, flags);
|
|
|
|
finish:
|
|
while ((cg = hashmap_first(cgroups)))
|
|
remove_cgroup(cgroups, cg);
|
|
|
|
hashmap_free(cgroups);
|
|
|
|
return r;
|
|
}
|
|
|
|
int unit_load_state(sd_bus *bus, const char *name, char **load_state) {
|
|
_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
|
|
_cleanup_free_ char *path = NULL;
|
|
int r;
|
|
|
|
path = unit_dbus_path_from_name(name);
|
|
if (!path)
|
|
return log_oom();
|
|
|
|
/* This function warns on it's own, because otherwise it'd be awkward to pass
|
|
* the dbus error message around. */
|
|
|
|
r = sd_bus_get_property_string(
|
|
bus,
|
|
"org.freedesktop.systemd1",
|
|
path,
|
|
"org.freedesktop.systemd1.Unit",
|
|
"LoadState",
|
|
&error,
|
|
load_state);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to get load state of %s: %s", name, bus_error_message(&error, r));
|
|
|
|
return 0;
|
|
}
|