TK_M_PARENTS_MAX,
TK_M_TEST, /* val, mode_t */
+ TK_M_EVENT_TIMEOUT, /* int */
TK_M_PROGRAM, /* val */
TK_M_IMPORT_FILE, /* val */
TK_M_IMPORT_PROG, /* val */
TK_M_IMPORT_DB, /* val */
+ TK_M_IMPORT_CMDLINE, /* val */
TK_M_IMPORT_PARENT, /* val */
TK_M_RESULT, /* val */
TK_M_MAX,
TK_A_STRING_ESCAPE_NONE,
TK_A_STRING_ESCAPE_REPLACE,
+ TK_A_DB_PERSIST,
TK_A_INOTIFY_WATCH, /* int */
TK_A_DEVLINK_PRIO, /* int */
TK_A_OWNER, /* val */
TK_A_OWNER_ID, /* uid_t */
TK_A_GROUP_ID, /* gid_t */
TK_A_MODE_ID, /* mode_t */
+ TK_A_STATIC_NODE, /* val */
TK_A_ENV, /* val, attr */
TK_A_TAG, /* val */
TK_A_NAME, /* val */
TK_A_DEVLINK, /* val */
- TK_A_EVENT_TIMEOUT, /* int */
TK_A_ATTR, /* val, attr */
TK_A_RUN, /* val, bool */
TK_A_GOTO, /* size_t */
/* we try to pack stuff in a way that we take only 12 bytes per token */
struct token {
union {
- unsigned char type; /* same as in rule and key */
+ unsigned char type; /* same in rule and key */
struct {
enum token_type type:8;
- unsigned int flags:8;
+ bool can_set_name:1;
+ bool has_static_node:1;
+ unsigned int unused:6;
unsigned short token_count;
unsigned int label_off;
unsigned short filename_off;
[TK_M_PARENTS_MAX] = "M PARENTS_MAX",
[TK_M_TEST] = "M TEST",
+ [TK_M_EVENT_TIMEOUT] = "M EVENT_TIMEOUT",
[TK_M_PROGRAM] = "M PROGRAM",
[TK_M_IMPORT_FILE] = "M IMPORT_FILE",
[TK_M_IMPORT_PROG] = "M IMPORT_PROG",
[TK_M_IMPORT_DB] = "M IMPORT_DB",
+ [TK_M_IMPORT_CMDLINE] = "M IMPORT_CMDLINE",
[TK_M_IMPORT_PARENT] = "M IMPORT_PARENT",
[TK_M_RESULT] = "M RESULT",
[TK_M_MAX] = "M MAX",
[TK_A_STRING_ESCAPE_NONE] = "A STRING_ESCAPE_NONE",
[TK_A_STRING_ESCAPE_REPLACE] = "A STRING_ESCAPE_REPLACE",
+ [TK_A_DB_PERSIST] = "A DB_PERSIST",
[TK_A_INOTIFY_WATCH] = "A INOTIFY_WATCH",
[TK_A_DEVLINK_PRIO] = "A DEVLINK_PRIO",
[TK_A_OWNER] = "A OWNER",
[TK_A_MODE] = "A MODE",
[TK_A_OWNER_ID] = "A OWNER_ID",
[TK_A_GROUP_ID] = "A GROUP_ID",
+ [TK_A_STATIC_NODE] = "A STATIC_NODE",
[TK_A_MODE_ID] = "A MODE_ID",
[TK_A_ENV] = "A ENV",
[TK_A_TAG] = "A ENV",
[TK_A_NAME] = "A NAME",
[TK_A_DEVLINK] = "A DEVLINK",
- [TK_A_EVENT_TIMEOUT] = "A EVENT_TIMEOUT",
[TK_A_ATTR] = "A ATTR",
[TK_A_RUN] = "A RUN",
[TK_A_GOTO] = "A GOTO",
const char *tk_ptr = (char *)token;
unsigned int idx = (tk_ptr - tks_ptr) / sizeof(struct token);
- dbg(rules->udev, "* RULE %s:%u, token: %u, count: %u, label: '%s', flags: 0x%02x\n",
+ dbg(rules->udev, "* RULE %s:%u, token: %u, count: %u, label: '%s'\n",
&rules->buf[token->rule.filename_off], token->rule.filename_line,
idx, token->rule.token_count,
- &rules->buf[token->rule.label_off],
- token->rule.flags);
+ &rules->buf[token->rule.label_off]);
break;
}
case TK_M_ACTION:
case TK_M_IMPORT_FILE:
case TK_M_IMPORT_PROG:
case TK_M_IMPORT_DB:
+ case TK_M_IMPORT_CMDLINE:
case TK_M_IMPORT_PARENT:
case TK_M_RESULT:
case TK_A_NAME:
break;
case TK_A_STRING_ESCAPE_NONE:
case TK_A_STRING_ESCAPE_REPLACE:
+ case TK_A_DB_PERSIST:
dbg(rules->udev, "%s\n", token_str(type));
break;
case TK_M_TEST:
dbg(rules->udev, "%s %u\n", token_str(type), token->key.watch);
break;
case TK_A_DEVLINK_PRIO:
- dbg(rules->udev, "%s %s %u\n", token_str(type), operation_str(op), token->key.devlink_prio);
+ dbg(rules->udev, "%s %u\n", token_str(type), token->key.devlink_prio);
break;
case TK_A_OWNER_ID:
dbg(rules->udev, "%s %s %u\n", token_str(type), operation_str(op), token->key.uid);
case TK_A_MODE_ID:
dbg(rules->udev, "%s %s %#o\n", token_str(type), operation_str(op), token->key.mode);
break;
- case TK_A_EVENT_TIMEOUT:
- dbg(rules->udev, "%s %s %u\n", token_str(type), operation_str(op), token->key.event_timeout);
+ case TK_A_STATIC_NODE:
+ dbg(rules->udev, "%s '%s'\n", token_str(type), value);
+ break;
+ case TK_M_EVENT_TIMEOUT:
+ dbg(rules->udev, "%s %u\n", token_str(type), token->key.event_timeout);
break;
case TK_A_GOTO:
dbg(rules->udev, "%s '%s' %u\n", token_str(type), value, token->key.rule_goto);
return 0;
}
-static int import_program_into_properties(struct udev_device *dev, const char *program)
+static int import_program_into_properties(struct udev_event *event, const char *program, const sigset_t *sigmask)
{
- struct udev *udev = udev_device_get_udev(dev);
+ struct udev_device *dev = event->dev;
char **envp;
- char result[4096];
- size_t reslen;
+ char result[UTIL_LINE_SIZE];
char *line;
+ int err;
envp = udev_device_get_properties_envp(dev);
- if (util_run_program(udev, program, envp, result, sizeof(result), &reslen, NULL) != 0)
- return -1;
+ err = udev_event_spawn(event, program, envp, sigmask, result, sizeof(result));
+ if (err < 0)
+ return err;
line = result;
while (line != NULL) {
static int attr_subst_subdir(char *attr, size_t len)
{
- int found = 0;
+ bool found = false;
if (strstr(attr, "/*/")) {
char *pos;
continue;
util_strscpyl(attr, len, dirname, "/", dent->d_name, tail, NULL);
if (stat(attr, &stats) == 0) {
- found = 1;
+ found = true;
break;
}
}
return -1;
*key = linepos;
- while (1) {
+ for (;;) {
linepos++;
if (linepos[0] == '\0')
return -1;
case TK_M_IMPORT_FILE:
case TK_M_IMPORT_PROG:
case TK_M_IMPORT_DB:
+ case TK_M_IMPORT_CMDLINE:
case TK_M_IMPORT_PARENT:
case TK_M_RESULT:
case TK_A_OWNER:
break;
case TK_A_STRING_ESCAPE_NONE:
case TK_A_STRING_ESCAPE_REPLACE:
+ case TK_A_DB_PERSIST:
break;
case TK_A_RUN:
token->key.value_off = add_string(rule_tmp->rules, value);
case TK_A_MODE_ID:
token->key.mode = *(mode_t *)data;
break;
- case TK_A_EVENT_TIMEOUT:
+ case TK_A_STATIC_NODE:
+ token->key.value_off = add_string(rule_tmp->rules, value);
+ break;
+ case TK_M_EVENT_TIMEOUT:
token->key.event_timeout = *(int *)data;
break;
case TK_RULE:
rule_tmp.rule.rule.filename_line = lineno;
linepos = line;
- while (1) {
+ for (;;) {
char *key;
char *value;
enum operation_type op;
} else if (attr != NULL && strstr(attr, "db")) {
dbg(rules->udev, "IMPORT will include db values\n");
rule_add_key(&rule_tmp, TK_M_IMPORT_DB, op, value, NULL);
+ } else if (attr != NULL && strstr(attr, "cmdline")) {
+ dbg(rules->udev, "IMPORT will include db values\n");
+ rule_add_key(&rule_tmp, TK_M_IMPORT_CMDLINE, op, value, NULL);
} else if (attr != NULL && strstr(attr, "parent")) {
dbg(rules->udev, "IMPORT will include the parent values\n");
rule_add_key(&rule_tmp, TK_M_IMPORT_PARENT, op, value, NULL);
}
rule_add_key(&rule_tmp, TK_A_NAME, op, value, NULL);
}
- rule_tmp.rule.rule.flags = 1;
+ rule_tmp.rule.rule.can_set_name = true;
continue;
}
flag = 1;
rule_add_key(&rule_tmp, TK_A_DEVLINK, op, value, &flag);
}
- rule_tmp.rule.rule.flags = 1;
+ rule_tmp.rule.rule.can_set_name = true;
continue;
}
} else if (rules->resolve_names >= 0) {
rule_add_key(&rule_tmp, TK_A_OWNER, op, value, NULL);
}
- rule_tmp.rule.rule.flags = 1;
+ rule_tmp.rule.rule.can_set_name = true;
continue;
}
} else if (rules->resolve_names >= 0) {
rule_add_key(&rule_tmp, TK_A_GROUP, op, value, NULL);
}
- rule_tmp.rule.rule.flags = 1;
+ rule_tmp.rule.rule.can_set_name = true;
continue;
}
rule_add_key(&rule_tmp, TK_A_MODE_ID, op, NULL, &mode);
else
rule_add_key(&rule_tmp, TK_A_MODE, op, value, NULL);
- rule_tmp.rule.rule.flags = 1;
+ rule_tmp.rule.rule.can_set_name = true;
continue;
}
if (pos != NULL) {
int prio = atoi(&pos[strlen("link_priority=")]);
- rule_add_key(&rule_tmp, TK_A_DEVLINK_PRIO, 0, NULL, &prio);
+ rule_add_key(&rule_tmp, TK_A_DEVLINK_PRIO, op, NULL, &prio);
dbg(rules->udev, "link priority=%i\n", prio);
}
+
pos = strstr(value, "event_timeout=");
if (pos != NULL) {
int tout = atoi(&pos[strlen("event_timeout=")]);
- rule_add_key(&rule_tmp, TK_A_EVENT_TIMEOUT, 0, NULL, &tout);
+ rule_add_key(&rule_tmp, TK_M_EVENT_TIMEOUT, op, NULL, &tout);
dbg(rules->udev, "event timeout=%i\n", tout);
}
+
pos = strstr(value, "string_escape=");
if (pos != NULL) {
pos = &pos[strlen("string_escape=")];
if (strncmp(pos, "none", strlen("none")) == 0)
- rule_add_key(&rule_tmp, TK_A_STRING_ESCAPE_NONE, 0, NULL, NULL);
+ rule_add_key(&rule_tmp, TK_A_STRING_ESCAPE_NONE, op, NULL, NULL);
else if (strncmp(pos, "replace", strlen("replace")) == 0)
- rule_add_key(&rule_tmp, TK_A_STRING_ESCAPE_REPLACE, 0, NULL, NULL);
+ rule_add_key(&rule_tmp, TK_A_STRING_ESCAPE_REPLACE, op, NULL, NULL);
}
+
+ pos = strstr(value, "db_persist");
+ if (pos != NULL)
+ rule_add_key(&rule_tmp, TK_A_DB_PERSIST, op, NULL, NULL);
+
pos = strstr(value, "nowatch");
if (pos != NULL) {
const int off = 0;
- rule_add_key(&rule_tmp, TK_A_INOTIFY_WATCH, 0, NULL, &off);
+ rule_add_key(&rule_tmp, TK_A_INOTIFY_WATCH, op, NULL, &off);
dbg(rules->udev, "inotify watch of device disabled\n");
} else {
pos = strstr(value, "watch");
if (pos != NULL) {
const int on = 1;
- rule_add_key(&rule_tmp, TK_A_INOTIFY_WATCH, 0, NULL, &on);
+ rule_add_key(&rule_tmp, TK_A_INOTIFY_WATCH, op, NULL, &on);
dbg(rules->udev, "inotify watch of device requested\n");
}
}
+
+ pos = strstr(value, "static_node=");
+ if (pos != NULL) {
+ rule_add_key(&rule_tmp, TK_A_STATIC_NODE, op, &pos[strlen("static_node=")], NULL);
+ rule_tmp.rule.rule.has_static_node = true;
+ }
+
continue;
}
err(rules->udev, "unknown key '%s' in %s:%u\n", key, filename, lineno);
return -1;
}
- while (1) {
+ for (;;) {
struct dirent *dent;
dent = readdir(dir);
struct udev_rules *udev_rules_new(struct udev *udev, int resolve_names)
{
struct udev_rules *rules;
- struct stat statbuf;
struct udev_list_node file_list;
struct udev_list_entry *file_loop, *file_tmp;
struct token end_token;
- rules = malloc(sizeof(struct udev_rules));
+ rules = calloc(1, sizeof(struct udev_rules));
if (rules == NULL)
return NULL;
- memset(rules, 0x00, sizeof(struct udev_rules));
rules->udev = udev;
rules->resolve_names = resolve_names;
udev_list_init(&file_list);
/* init token array and string buffer */
rules->tokens = malloc(PREALLOC_TOKEN * sizeof(struct token));
- if (rules->tokens == NULL)
+ if (rules->tokens == NULL) {
+ free(rules);
return NULL;
+ }
rules->token_max = PREALLOC_TOKEN;
rules->buf = malloc(PREALLOC_STRBUF);
- if (rules->buf == NULL)
+ if (rules->buf == NULL) {
+ free(rules->tokens);
+ free(rules);
return NULL;
+ }
rules->buf_max = PREALLOC_STRBUF;
/* offset 0 is always '\0' */
rules->buf[0] = '\0';
rules->token_max * sizeof(struct token), rules->token_max, sizeof(struct token), rules->buf_max);
rules->trie_nodes = malloc(PREALLOC_TRIE * sizeof(struct trie_node));
- if (rules->trie_nodes == NULL)
+ if (rules->trie_nodes == NULL) {
+ free(rules->buf);
+ free(rules->tokens);
+ free(rules);
return NULL;
+ }
rules->trie_nodes_max = PREALLOC_TRIE;
/* offset 0 is the trie root, with an empty string */
memset(rules->trie_nodes, 0x00, sizeof(struct trie_node));
add_matching_files(udev, &file_list, SYSCONFDIR "/udev/rules.d", ".rules");
/* read dynamic/temporary rules */
- util_strscpyl(filename, sizeof(filename), udev_get_dev_path(udev), "/.udev/rules.d", NULL);
+ util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/rules.d", NULL);
udev_list_init(&sort_list);
add_matching_files(udev, &sort_list, filename, ".rules");
udev_list_entry_foreach_safe(file_loop, file_tmp, udev_list_get_entry(&file_list)) {
const char *filename = udev_list_entry_get_name(file_loop);
unsigned int filename_off = udev_list_entry_get_flags(file_loop);
+ struct stat st;
- if (stat(filename, &statbuf) == 0 && statbuf.st_size > 0)
- parse_file(rules, filename, filename_off);
- else
- err(udev, "can not read '%s'\n", filename);
+ if (stat(filename, &st) != 0) {
+ err(udev, "can not find '%s': %m\n", filename);
+ continue;
+ }
+ if (S_ISREG(st.st_mode) && st.st_size <= 0) {
+ info(udev, "ignore empty '%s'\n", filename);
+ continue;
+ }
+ if (S_ISCHR(st.st_mode)) {
+ info(udev, "ignore masked '%s'\n", filename);
+ continue;
+ }
+ parse_file(rules, filename, filename_off);
udev_list_entry_delete(file_loop);
}
{
char *key_value = &rules->buf[token->key.value_off];
char *pos;
- int match = 0;
+ bool match = false;
if (val == NULL)
val = "";
split = &rules->buf[token->key.value_off];
len = strlen(val);
- while (1) {
+ for (;;) {
const char *next;
next = strchr(split, '|');
ESCAPE_REPLACE,
};
-int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event)
+int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event, const sigset_t *sigmask)
{
struct token *cur;
struct token *rule;
can_set_name = ((strcmp(udev_device_get_action(event->dev), "remove") != 0) &&
(major(udev_device_get_devnum(event->dev)) > 0 ||
- strcmp(udev_device_get_subsystem(event->dev), "net") == 0));
+ udev_device_get_ifindex(event->dev) > 0));
/* loop through token list, match, run actions or forward to next rule */
cur = &rules->tokens[0];
rule = cur;
- while (1) {
+ for (;;) {
dump_token(rules, cur);
switch (cur->type) {
case TK_RULE:
/* current rule */
rule = cur;
/* possibly skip rules which want to set NAME, SYMLINK, OWNER, GROUP, MODE */
- if (!can_set_name && rule->rule.flags)
+ if (!can_set_name && rule->rule.can_set_name)
goto nomatch;
esc = ESCAPE_UNSET;
break;
{
size_t devlen = strlen(udev_get_dev_path(event->udev))+1;
struct udev_list_entry *list_entry;
- int match = 0;
+ bool match = false;
udev_list_entry_foreach(list_entry, udev_device_get_devlinks_list_entry(event->dev)) {
const char *devlink;
devlink = &udev_list_entry_get_name(list_entry)[devlen];
if (match_key(rules, cur, devlink) == 0) {
- match = 1;
+ match = true;
break;
}
}
/* loop over parents */
event->dev_parent = event->dev;
- while (1) {
+ for (;;) {
struct token *key;
dbg(event->udev, "parent: '%s'\n", udev_device_get_syspath(event->dev_parent));
goto nomatch;
break;
}
+ case TK_M_EVENT_TIMEOUT:
+ info(event->udev, "OPTIONS event_timeout=%u\n", cur->key.event_timeout);
+ event->timeout_usec = cur->key.event_timeout * 1000 * 1000;
+ break;
case TK_M_PROGRAM:
{
char program[UTIL_PATH_SIZE];
program,
&rules->buf[rule->rule.filename_off],
rule->rule.filename_line);
- if (util_run_program(event->udev, program, envp, result, sizeof(result), NULL, NULL) != 0) {
+
+ if (udev_event_spawn(event, program, envp, sigmask, result, sizeof(result)) < 0) {
if (cur->key.op != OP_NOMATCH)
goto nomatch;
} else {
import,
&rules->buf[rule->rule.filename_off],
rule->rule.filename_line);
- if (import_program_into_properties(event->dev, import) != 0)
+
+ if (import_program_into_properties(event, import, sigmask) != 0)
if (cur->key.op != OP_NOMATCH)
goto nomatch;
break;
}
break;
}
+ case TK_M_IMPORT_CMDLINE:
+ {
+ FILE *f;
+ bool imported = false;
+
+ f = fopen("/proc/cmdline", "r");
+ if (f != NULL) {
+ char cmdline[4096];
+
+ if (fgets(cmdline, sizeof(cmdline), f) != NULL) {
+ const char *key = &rules->buf[cur->key.value_off];
+ char *pos;
+
+ pos = strstr(cmdline, key);
+ if (pos != NULL) {
+ struct udev_list_entry *entry;
+
+ pos += strlen(key);
+ if (pos[0] == '\0' || isspace(pos[0])) {
+ /* we import simple flags as 'FLAG=1' */
+ entry = udev_device_add_property(event->dev, key, "1");
+ udev_list_entry_set_flags(entry, 1);
+ imported = true;
+ } else if (pos[0] == '=') {
+ const char *value;
+
+ pos++;
+ value = pos;
+ while (pos[0] != '\0' && !isspace(pos[0]))
+ pos++;
+ pos[0] = '\0';
+ entry = udev_device_add_property(event->dev, key, value);
+ udev_list_entry_set_flags(entry, 1);
+ imported = true;
+ }
+ }
+ }
+ fclose(f);
+ }
+ if (!imported && cur->key.op != OP_NOMATCH)
+ goto nomatch;
+ break;
+ }
case TK_M_IMPORT_PARENT:
{
char import[UTIL_PATH_SIZE];
case TK_A_STRING_ESCAPE_REPLACE:
esc = ESCAPE_REPLACE;
break;
+ case TK_A_DB_PERSIST:
+ udev_device_set_db_persist(event->dev);
+ break;
case TK_A_INOTIFY_WATCH:
+ if (event->inotify_watch_final)
+ break;
+ if (cur->key.op == OP_ASSIGN_FINAL)
+ event->inotify_watch_final = true;
event->inotify_watch = cur->key.watch;
break;
case TK_A_DEVLINK_PRIO:
if (event->owner_final)
break;
if (cur->key.op == OP_ASSIGN_FINAL)
- event->owner_final = 1;
+ event->owner_final = true;
udev_event_apply_format(event, &rules->buf[cur->key.value_off], owner, sizeof(owner));
event->uid = util_lookup_user(event->udev, owner);
info(event->udev, "OWNER %u %s:%u\n",
if (event->group_final)
break;
if (cur->key.op == OP_ASSIGN_FINAL)
- event->group_final = 1;
+ event->group_final = true;
udev_event_apply_format(event, &rules->buf[cur->key.value_off], group, sizeof(group));
event->gid = util_lookup_group(event->udev, group);
info(event->udev, "GROUP %u %s:%u\n",
if (event->mode_final)
break;
if (cur->key.op == OP_ASSIGN_FINAL)
- event->mode_final = 1;
+ event->mode_final = true;
udev_event_apply_format(event, &rules->buf[cur->key.value_off], mode, sizeof(mode));
event->mode = strtol(mode, &endptr, 8);
if (endptr[0] != '\0') {
- err(event->udev, "invalide mode '%s' set default mode 0660\n", mode);
- event->mode = 0660;
+ err(event->udev, "invalide mode '%s' set default mode 0600\n", mode);
+ event->mode = 0600;
}
info(event->udev, "MODE %#o %s:%u\n",
event->mode,
if (event->owner_final)
break;
if (cur->key.op == OP_ASSIGN_FINAL)
- event->owner_final = 1;
+ event->owner_final = true;
event->uid = cur->key.uid;
info(event->udev, "OWNER %u %s:%u\n",
event->uid,
if (event->group_final)
break;
if (cur->key.op == OP_ASSIGN_FINAL)
- event->group_final = 1;
+ event->group_final = true;
event->gid = cur->key.gid;
info(event->udev, "GROUP %u %s:%u\n",
event->gid,
if (event->mode_final)
break;
if (cur->key.op == OP_ASSIGN_FINAL)
- event->mode_final = 1;
+ event->mode_final = true;
event->mode = cur->key.mode;
info(event->udev, "MODE %#o %s:%u\n",
event->mode,
&rules->buf[rule->rule.filename_off],
rule->rule.filename_line);
break;
+ case TK_A_STATIC_NODE:
+ break;
case TK_A_ENV:
{
const char *name = &rules->buf[cur->key.attr_off];
if (event->name_final)
break;
if (cur->key.op == OP_ASSIGN_FINAL)
- event->name_final = 1;
+ event->name_final = true;
udev_event_apply_format(event, name, name_str, sizeof(name_str));
if (esc == ESCAPE_UNSET || esc == ESCAPE_REPLACE) {
count = udev_util_replace_chars(name_str, "/");
if (major(udev_device_get_devnum(event->dev)) == 0)
break;
if (cur->key.op == OP_ASSIGN_FINAL)
- event->devlink_final = 1;
+ event->devlink_final = true;
if (cur->key.op == OP_ASSIGN || cur->key.op == OP_ASSIGN_FINAL)
udev_device_cleanup_devlinks_list(event->dev);
}
}
break;
- case TK_A_EVENT_TIMEOUT:
- udev_device_set_event_timeout(event->dev, cur->key.event_timeout);
- break;
case TK_A_ATTR:
{
const char *key_name = &rules->buf[cur->key.attr_off];
(unsigned int) (cur - rules->tokens));
}
}
+
+void udev_rules_apply_static_dev_perms(struct udev_rules *rules)
+{
+ struct token *cur;
+ struct token *rule;
+ uid_t uid = 0;
+ gid_t gid = 0;
+ mode_t mode = 0;
+
+ if (rules->tokens == NULL)
+ return;
+
+ cur = &rules->tokens[0];
+ rule = cur;
+ for (;;) {
+ switch (cur->type) {
+ case TK_RULE:
+ /* current rule */
+ rule = cur;
+
+ /* skip rules without a static_node tag */
+ if (!rule->rule.has_static_node)
+ goto next;
+
+ uid = 0;
+ gid = 0;
+ mode = 0;
+ break;
+ case TK_A_OWNER_ID:
+ uid = cur->key.uid;
+ break;
+ case TK_A_GROUP_ID:
+ gid = cur->key.gid;
+ break;
+ case TK_A_MODE_ID:
+ mode = cur->key.mode;
+ break;
+ case TK_A_STATIC_NODE: {
+ char filename[UTIL_PATH_SIZE];
+ struct stat stats;
+ /* we assure, that the permissions tokens are sorted before the static token */
+ if (mode == 0 && uid == 0 && gid == 0)
+ goto next;
+ util_strscpyl(filename, sizeof(filename), udev_get_dev_path(rules->udev), "/",
+ &rules->buf[cur->key.value_off], NULL);
+ if (stat(filename, &stats) != 0)
+ goto next;
+ if (!S_ISBLK(stats.st_mode) && !S_ISCHR(stats.st_mode))
+ goto next;
+ if (mode != 0 && mode != (stats.st_mode & 0777)) {
+ chmod(filename, mode);
+ info(rules->udev, "chmod '%s' %#o\n", filename, mode);
+ }
+ if ((uid != 0 && uid != stats.st_uid) || (gid != 0 && gid != stats.st_gid)) {
+ chown(filename, uid, gid);
+ info(rules->udev, "chown '%s' %u %u\n", filename, uid, gid);
+ }
+ utimensat(AT_FDCWD, filename, NULL, 0);
+ break;
+ }
+ case TK_END:
+ return;
+ }
+
+ cur++;
+ continue;
+next:
+ /* fast-forward to next rule */
+ cur = rule + rule->rule.token_count;
+ continue;
+ }
+}
~ianmdlvl / elogind.git / blobdiff