* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-#include <stddef.h>
-#include <limits.h>
-#include <stdlib.h>
-#include <stdbool.h>
-#include <string.h>
-#include <stdio.h>
-#include <fcntl.h>
#include <ctype.h>
-#include <unistd.h>
-#include <errno.h>
#include <dirent.h>
+#include <errno.h>
+#include <fcntl.h>
#include <fnmatch.h>
+#include <limits.h>
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
#include <time.h>
+#include <unistd.h>
-#include "udev.h"
-#include "path-util.h"
+#include "alloc-util.h"
#include "conf-files.h"
+#include "escape.h"
+#include "fd-util.h"
+#include "glob-util.h"
+#include "path-util.h"
+#include "stat-util.h"
#include "strbuf.h"
+#include "string-util.h"
#include "strv.h"
-#include "util.h"
#include "sysctl-util.h"
+#include "udev.h"
+#include "user-util.h"
+#include "util.h"
#define PREALLOC_TOKEN 2048
"/etc/udev/rules.d",
"/run/udev/rules.d",
UDEVLIBEXECDIR "/rules.d",
- NULL};
+ NULL
+};
struct udev_rules {
struct udev *udev;
usec_t timeout_usec,
usec_t timeout_warn_usec,
const char *program) {
- struct udev_device *dev = event->dev;
- char **envp;
char result[UTIL_LINE_SIZE];
char *line;
int err;
- envp = udev_device_get_properties_envp(dev);
- err = udev_event_spawn(event, timeout_usec, timeout_warn_usec, true, program, envp, result, sizeof(result));
+ err = udev_event_spawn(event, timeout_usec, timeout_warn_usec, true, program, result, sizeof(result));
if (err < 0)
return err;
pos[0] = '\0';
pos = &pos[1];
}
- import_property_from_string(dev, line);
+ import_property_from_string(event->dev, line);
line = pos;
}
return 0;
const char *key = udev_list_entry_get_name(list_entry);
const char *val = udev_list_entry_get_value(list_entry);
- if (fnmatch(filter, key, 0) == 0) {
+ if (fnmatch(filter, key, 0) == 0)
udev_device_add_property(dev, key, val);
- }
}
return 0;
}
-#define WAIT_LOOP_PER_SECOND 50
-static int wait_for_file(struct udev_device *dev, const char *file, int timeout) {
- char filepath[UTIL_PATH_SIZE];
- char devicepath[UTIL_PATH_SIZE];
- struct stat stats;
- int loop = timeout * WAIT_LOOP_PER_SECOND;
-
- /* a relative path is a device attribute */
- devicepath[0] = '\0';
- if (file[0] != '/') {
- strscpyl(devicepath, sizeof(devicepath), udev_device_get_syspath(dev), NULL);
- strscpyl(filepath, sizeof(filepath), devicepath, "/", file, NULL);
- file = filepath;
- }
-
- while (--loop) {
- const struct timespec duration = { 0, 1000 * 1000 * 1000 / WAIT_LOOP_PER_SECOND };
-
- /* lookup file */
- if (stat(file, &stats) == 0) {
- log_debug("file '%s' appeared after %i loops", file, (timeout * WAIT_LOOP_PER_SECOND) - loop-1);
- return 0;
- }
- /* make sure, the device did not disappear in the meantime */
- if (devicepath[0] != '\0' && stat(devicepath, &stats) != 0) {
- log_debug("device disappeared while waiting for '%s'", file);
- return -2;
- }
- log_debug("wait for '%s' for %i mseconds", file, 1000 / WAIT_LOOP_PER_SECOND);
- nanosleep(&duration, NULL);
- }
- log_debug("waiting for '%s' failed", file);
- return -1;
-}
-
static int attr_subst_subdir(char *attr, size_t len) {
bool found = false;
return 0;
}
-static int add_rule(struct udev_rules *rules, char *line,
- const char *filename, unsigned int filename_off, unsigned int lineno) {
+static void add_rule(struct udev_rules *rules, char *line,
+ const char *filename, unsigned int filename_off, unsigned int lineno) {
char *linepos;
const char *attr;
struct rule_tmp rule_tmp = {
continue;
}
- if (streq(key, "WAIT_FOR") || streq(key, "WAIT_FOR_SYSFS")) {
- if (op == OP_REMOVE) {
- log_error("invalid WAIT_FOR/WAIT_FOR_SYSFS operation");
- goto invalid;
- }
- rule_add_key(&rule_tmp, TK_M_WAITFOR, 0, value, NULL);
- continue;
- }
-
if (streq(key, "LABEL")) {
if (op == OP_REMOVE) {
log_error("invalid LABEL operation");
} else if ((rules->resolve_names > 0) && strchr("$%", value[0]) == NULL) {
uid = add_uid(rules, value);
rule_add_key(&rule_tmp, TK_A_OWNER_ID, op, NULL, &uid);
- } else if (rules->resolve_names >= 0) {
+ } else if (rules->resolve_names >= 0)
rule_add_key(&rule_tmp, TK_A_OWNER, op, value, NULL);
- }
+
rule_tmp.rule.rule.can_set_name = true;
continue;
}
} else if ((rules->resolve_names > 0) && strchr("$%", value[0]) == NULL) {
gid = add_gid(rules, value);
rule_add_key(&rule_tmp, TK_A_GROUP_ID, op, NULL, &gid);
- } else if (rules->resolve_names >= 0) {
+ } else if (rules->resolve_names >= 0)
rule_add_key(&rule_tmp, TK_A_GROUP, op, value, NULL);
- }
+
rule_tmp.rule.rule.can_set_name = true;
continue;
}
if (sort_token(rules, &rule_tmp) != 0)
goto invalid;
- return 0;
+ return;
invalid:
log_error("invalid rule '%s:%u'", filename, lineno);
- return -1;
}
static int parse_file(struct udev_rules *rules, const char *filename) {
strbuf_complete(rules->strbuf);
/* cleanup uid/gid cache */
- free(rules->uids);
- rules->uids = NULL;
+ rules->uids = mfree(rules->uids);
rules->uids_cur = 0;
rules->uids_max = 0;
- free(rules->gids);
- rules->gids = NULL;
+ rules->gids = mfree(rules->gids);
rules->gids_cur = 0;
rules->gids_max = 0;
ESCAPE_REPLACE,
};
-int udev_rules_apply_to_event(struct udev_rules *rules,
- struct udev_event *event,
- usec_t timeout_usec,
- usec_t timeout_warn_usec,
- struct udev_list *properties_list) {
+void udev_rules_apply_to_event(struct udev_rules *rules,
+ struct udev_event *event,
+ usec_t timeout_usec,
+ usec_t timeout_warn_usec,
+ struct udev_list *properties_list) {
struct token *cur;
struct token *rule;
enum escape_type esc = ESCAPE_UNSET;
bool can_set_name;
if (rules->tokens == NULL)
- return -1;
+ return;
can_set_name = ((!streq(udev_device_get_action(event->dev), "remove")) &&
(major(udev_device_get_devnum(event->dev)) > 0 ||
break;
}
}
- if (!match && (cur->key.op != OP_NOMATCH))
+ if ((!match && (cur->key.op != OP_NOMATCH)) ||
+ (match && (cur->key.op == OP_NOMATCH)))
goto nomatch;
break;
}
if (match_key(rules, cur, udev_device_get_driver(event->dev)) != 0)
goto nomatch;
break;
- case TK_M_WAITFOR: {
- char filename[UTIL_PATH_SIZE];
- int found;
-
- udev_event_apply_format(event, rules_str(rules, cur->key.value_off), filename, sizeof(filename));
- found = (wait_for_file(event->dev, filename, 10) == 0);
- if (!found && (cur->key.op != OP_NOMATCH))
- goto nomatch;
- break;
- }
case TK_M_ATTR:
if (match_attr(rules, event->dev, event, cur) != 0)
goto nomatch;
}
case TK_M_PROGRAM: {
char program[UTIL_PATH_SIZE];
- char **envp;
char result[UTIL_LINE_SIZE];
- free(event->program_result);
- event->program_result = NULL;
+ event->program_result = mfree(event->program_result);
udev_event_apply_format(event, rules_str(rules, cur->key.value_off), program, sizeof(program));
- envp = udev_device_get_properties_envp(event->dev);
log_debug("PROGRAM '%s' %s:%u",
program,
rules_str(rules, rule->rule.filename_off),
rule->rule.filename_line);
- if (udev_event_spawn(event, timeout_usec, timeout_warn_usec, true, program, envp, result, sizeof(result)) < 0) {
+ if (udev_event_spawn(event, timeout_usec, timeout_warn_usec, true, program, result, sizeof(result)) < 0) {
if (cur->key.op != OP_NOMATCH)
goto nomatch;
} else {
rule->rule.filename_line);
/* return the result from earlier run */
if (event->builtin_ret & (1 << cur->key.builtin_cmd))
- if (cur->key.op != OP_NOMATCH)
+ if (cur->key.op != OP_NOMATCH)
goto nomatch;
break;
}
rules_str(rules, rule->rule.filename_off), rule->rule.filename_line);
break;
}
- free(event->name);
- event->name = strdup(name_str);
+ if (free_and_strdup(&event->name, name_str) < 0) {
+ log_oom();
+ return;
+ }
log_debug("NAME '%s' %s:%u",
event->name,
rules_str(rules, rule->rule.filename_off),
rules_str(rules, rule->rule.filename_off), rule->rule.filename_line);
r = sysctl_write(filename, value);
if (r < 0)
- log_error("error writing SYSCTL{%s}='%s': %s", filename, value, strerror(-r));
+ log_error_errno(r, "error writing SYSCTL{%s}='%s': %m", filename, value);
break;
}
case TK_A_RUN_BUILTIN:
cur = &rules->tokens[cur->key.rule_goto];
continue;
case TK_END:
- return 0;
+ return;
case TK_M_PARENTS_MIN:
case TK_M_PARENTS_MAX:
uid = 0;
gid = 0;
mode = 0;
- strv_free(tags);
- tags = NULL;
+ tags = strv_free(tags);
break;
case TK_A_OWNER_ID:
uid = cur->key.uid;
projects / thirdparty / systemd.git / blobdiff