94 lines
3.4 KiB
C
94 lines
3.4 KiB
C
/* SPDX-License-Identifier: LGPL-2.1+ */
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#include <errno.h>
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#include <string.h>
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#include "alloc-util.h"
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#include "env-file.h"
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#include "log.h"
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#include "parse-util.h"
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#include "string-table.h"
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#include "string-util.h"
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#include "udev-util.h"
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#include "udev.h"
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static const char* const resolve_name_timing_table[_RESOLVE_NAME_TIMING_MAX] = {
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[RESOLVE_NAME_NEVER] = "never",
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[RESOLVE_NAME_LATE] = "late",
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[RESOLVE_NAME_EARLY] = "early",
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};
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DEFINE_STRING_TABLE_LOOKUP(resolve_name_timing, ResolveNameTiming);
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int udev_parse_config_full(
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unsigned *ret_children_max,
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usec_t *ret_exec_delay_usec,
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usec_t *ret_event_timeout_usec,
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ResolveNameTiming *ret_resolve_name_timing) {
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_cleanup_free_ char *log_val = NULL, *children_max = NULL, *exec_delay = NULL, *event_timeout = NULL, *resolve_names = NULL;
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int r;
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r = parse_env_file(NULL, "/etc/udev/udev.conf",
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"udev_log", &log_val,
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"children_max", &children_max,
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"exec_delay", &exec_delay,
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"event_timeout", &event_timeout,
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"resolve_names", &resolve_names);
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if (r == -ENOENT)
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return 0;
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if (r < 0)
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return r;
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if (log_val) {
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const char *log;
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size_t n;
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/* unquote */
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n = strlen(log_val);
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if (n >= 2 &&
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((log_val[0] == '"' && log_val[n-1] == '"') ||
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(log_val[0] == '\'' && log_val[n-1] == '\''))) {
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log_val[n - 1] = '\0';
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log = log_val + 1;
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} else
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log = log_val;
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/* we set the udev log level here explicitly, this is supposed
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* to regulate the code in libudev/ and udev/. */
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r = log_set_max_level_from_string_realm(LOG_REALM_UDEV, log);
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if (r < 0)
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log_debug_errno(r, "/etc/udev/udev.conf: failed to set udev log level '%s', ignoring: %m", log);
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}
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if (ret_children_max && children_max) {
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r = safe_atou(children_max, ret_children_max);
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if (r < 0)
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log_notice_errno(r, "/etc/udev/udev.conf: failed to set parse children_max=%s, ignoring: %m", children_max);
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}
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if (ret_exec_delay_usec && exec_delay) {
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r = parse_sec(exec_delay, ret_exec_delay_usec);
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if (r < 0)
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log_notice_errno(r, "/etc/udev/udev.conf: failed to set parse exec_delay=%s, ignoring: %m", exec_delay);
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}
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if (ret_event_timeout_usec && event_timeout) {
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r = parse_sec(event_timeout, ret_event_timeout_usec);
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if (r < 0)
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log_notice_errno(r, "/etc/udev/udev.conf: failed to set parse event_timeout=%s, ignoring: %m", event_timeout);
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}
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if (ret_resolve_name_timing && resolve_names) {
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ResolveNameTiming t;
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t = resolve_name_timing_from_string(resolve_names);
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if (t < 0)
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log_notice("/etc/udev/udev.conf: failed to set parse resolve_names=%s, ignoring.", resolve_names);
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else
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*ret_resolve_name_timing = t;
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}
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return 0;
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}
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