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Always prefer our headers to system headers
[elogind.git]
/
src
/
udev
/
udev-rules.c
diff --git
a/src/udev/udev-rules.c
b/src/udev/udev-rules.c
index 85f78bcdefcd19bf9effbdf2eb28926a766d6470..cc562156fa693f693983cbdc01f9932619030512 100644
(file)
--- a/
src/udev/udev-rules.c
+++ b/
src/udev/udev-rules.c
@@
-137,7
+137,6
@@
enum token_type {
TK_M_PARENTS_MAX,
TK_M_TEST, /* val, mode_t */
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_PROGRAM, /* val */
TK_M_IMPORT_FILE, /* val */
TK_M_IMPORT_PROG, /* val */
@@
-201,7
+200,6
@@
struct token {
uid_t uid;
gid_t gid;
int devlink_prio;
uid_t uid;
gid_t gid;
int devlink_prio;
- int event_timeout;
int watch;
enum udev_builtin_cmd builtin_cmd;
};
int watch;
enum udev_builtin_cmd builtin_cmd;
};
@@
-218,8
+216,7
@@
struct rule_tmp {
};
#ifdef DEBUG
};
#ifdef DEBUG
-static const char *operation_str(enum operation_type type)
-{
+static const char *operation_str(enum operation_type type) {
static const char *operation_strs[] = {
[OP_UNSET] = "UNSET",
[OP_MATCH] = "match",
static const char *operation_strs[] = {
[OP_UNSET] = "UNSET",
[OP_MATCH] = "match",
@@
-234,8
+231,7
@@
static const char *operation_str(enum operation_type type)
return operation_strs[type];
}
return operation_strs[type];
}
-static const char *string_glob_str(enum string_glob_type type)
-{
+static const char *string_glob_str(enum string_glob_type type) {
static const char *string_glob_strs[] = {
[GL_UNSET] = "UNSET",
[GL_PLAIN] = "plain",
static const char *string_glob_strs[] = {
[GL_UNSET] = "UNSET",
[GL_PLAIN] = "plain",
@@
-248,8
+244,7
@@
static const char *string_glob_str(enum string_glob_type type)
return string_glob_strs[type];
}
return string_glob_strs[type];
}
-static const char *token_str(enum token_type type)
-{
+static const char *token_str(enum token_type type) {
static const char *token_strs[] = {
[TK_UNSET] = "UNSET",
[TK_RULE] = "RULE",
static const char *token_strs[] = {
[TK_UNSET] = "UNSET",
[TK_RULE] = "RULE",
@@
-275,7
+270,6
@@
static const char *token_str(enum token_type type)
[TK_M_PARENTS_MAX] = "M PARENTS_MAX",
[TK_M_TEST] = "M TEST",
[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_PROGRAM] = "M PROGRAM",
[TK_M_IMPORT_FILE] = "M IMPORT_FILE",
[TK_M_IMPORT_PROG] = "M IMPORT_PROG",
@@
-314,8
+308,7
@@
static const char *token_str(enum token_type type)
return token_strs[type];
}
return token_strs[type];
}
-static void dump_token(struct udev_rules *rules, struct token *token)
-{
+static void dump_token(struct udev_rules *rules, struct token *token) {
enum token_type type = token->type;
enum operation_type op = token->key.op;
enum string_glob_type glob = token->key.glob;
enum token_type type = token->type;
enum operation_type op = token->key.op;
enum string_glob_type glob = token->key.glob;
@@
-409,9
+402,6
@@
static void dump_token(struct udev_rules *rules, struct token *token)
case TK_A_SECLABEL:
log_debug("%s %s '%s' '%s'", token_str(type), operation_str(op), attr, value);
break;
case TK_A_SECLABEL:
log_debug("%s %s '%s' '%s'", token_str(type), operation_str(op), attr, value);
break;
- case TK_M_EVENT_TIMEOUT:
- log_debug("%s %u", token_str(type), token->key.event_timeout);
- break;
case TK_A_GOTO:
log_debug("%s '%s' %u", token_str(type), value, token->key.rule_goto);
break;
case TK_A_GOTO:
log_debug("%s '%s' %u", token_str(type), value, token->key.rule_goto);
break;
@@
-427,8
+417,7
@@
static void dump_token(struct udev_rules *rules, struct token *token)
}
}
}
}
-static void dump_rules(struct udev_rules *rules)
-{
+static void dump_rules(struct udev_rules *rules) {
unsigned int i;
log_debug("dumping %u (%zu bytes) tokens, %u (%zu bytes) strings",
unsigned int i;
log_debug("dumping %u (%zu bytes) tokens, %u (%zu bytes) strings",
@@
-444,8
+433,7
@@
static inline void dump_token(struct udev_rules *rules, struct token *token) {}
static inline void dump_rules(struct udev_rules *rules) {}
#endif /* DEBUG */
static inline void dump_rules(struct udev_rules *rules) {}
#endif /* DEBUG */
-static int add_token(struct udev_rules *rules, struct token *token)
-{
+static int add_token(struct udev_rules *rules, struct token *token) {
/* grow buffer if needed */
if (rules->token_cur+1 >= rules->token_max) {
struct token *tokens;
/* grow buffer if needed */
if (rules->token_cur+1 >= rules->token_max) {
struct token *tokens;
@@
-467,8
+455,7
@@
static int add_token(struct udev_rules *rules, struct token *token)
return 0;
}
return 0;
}
-static uid_t add_uid(struct udev_rules *rules, const char *owner)
-{
+static uid_t add_uid(struct udev_rules *rules, const char *owner) {
unsigned int i;
uid_t uid;
unsigned int off;
unsigned int i;
uid_t uid;
unsigned int off;
@@
-508,8
+495,7
@@
static uid_t add_uid(struct udev_rules *rules, const char *owner)
return uid;
}
return uid;
}
-static gid_t add_gid(struct udev_rules *rules, const char *group)
-{
+static gid_t add_gid(struct udev_rules *rules, const char *group) {
unsigned int i;
gid_t gid;
unsigned int off;
unsigned int i;
gid_t gid;
unsigned int off;
@@
-549,8
+535,7
@@
static gid_t add_gid(struct udev_rules *rules, const char *group)
return gid;
}
return gid;
}
-static int import_property_from_string(struct udev_device *dev, char *line)
-{
+static int import_property_from_string(struct udev_device *dev, char *line) {
char *key;
char *val;
size_t len;
char *key;
char *val;
size_t len;
@@
-613,8
+598,7
@@
static int import_property_from_string(struct udev_device *dev, char *line)
return 0;
}
return 0;
}
-static int import_file_into_properties(struct udev_device *dev, const char *filename)
-{
+static int import_file_into_properties(struct udev_device *dev, const char *filename) {
FILE *f;
char line[UTIL_LINE_SIZE];
FILE *f;
char line[UTIL_LINE_SIZE];
@@
-627,8
+611,9
@@
static int import_file_into_properties(struct udev_device *dev, const char *file
return 0;
}
return 0;
}
-static int import_program_into_properties(struct udev_event *event, const char *program, const sigset_t *sigmask)
-{
+static int import_program_into_properties(struct udev_event *event,
+ usec_t timeout_usec,
+ const char *program, const sigset_t *sigmask) {
struct udev_device *dev = event->dev;
char **envp;
char result[UTIL_LINE_SIZE];
struct udev_device *dev = event->dev;
char **envp;
char result[UTIL_LINE_SIZE];
@@
-636,7
+621,7
@@
static int import_program_into_properties(struct udev_event *event, const char *
int err;
envp = udev_device_get_properties_envp(dev);
int err;
envp = udev_device_get_properties_envp(dev);
- err = udev_event_spawn(event, program, envp, sigmask, result, sizeof(result));
+ err = udev_event_spawn(event,
timeout_usec,
program, envp, sigmask, result, sizeof(result));
if (err < 0)
return err;
if (err < 0)
return err;
@@
-655,8
+640,7
@@
static int import_program_into_properties(struct udev_event *event, const char *
return 0;
}
return 0;
}
-static int import_parent_into_properties(struct udev_device *dev, const char *filter)
-{
+static int import_parent_into_properties(struct udev_device *dev, const char *filter) {
struct udev_device *dev_parent;
struct udev_list_entry *list_entry;
struct udev_device *dev_parent;
struct udev_list_entry *list_entry;
@@
-681,8
+665,7
@@
static int import_parent_into_properties(struct udev_device *dev, const char *fi
}
#define WAIT_LOOP_PER_SECOND 50
}
#define WAIT_LOOP_PER_SECOND 50
-static int wait_for_file(struct udev_device *dev, const char *file, int timeout)
-{
+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;
char filepath[UTIL_PATH_SIZE];
char devicepath[UTIL_PATH_SIZE];
struct stat stats;
@@
-716,8
+699,7
@@
static int wait_for_file(struct udev_device *dev, const char *file, int timeout)
return -1;
}
return -1;
}
-static int attr_subst_subdir(char *attr, size_t len)
-{
+static int attr_subst_subdir(char *attr, size_t len) {
bool found = false;
if (strstr(attr, "/*/")) {
bool found = false;
if (strstr(attr, "/*/")) {
@@
-754,8
+736,7
@@
static int attr_subst_subdir(char *attr, size_t len)
return found;
}
return found;
}
-static int get_key(struct udev *udev, char **line, char **key, enum operation_type *op, char **value)
-{
+static int get_key(struct udev *udev, char **line, char **key, enum operation_type *op, char **value) {
char *linepos;
char *temp;
char *linepos;
char *temp;
@@
-842,8
+823,7
@@
static int get_key(struct udev *udev, char **line, char **key, enum operation_ty
}
/* extract possible KEY{attr} */
}
/* extract possible KEY{attr} */
-static const char *get_key_attribute(struct udev *udev, char *str)
-{
+static const char *get_key_attribute(struct udev *udev, char *str) {
char *pos;
char *attr;
char *pos;
char *attr;
@@
-863,8
+843,7
@@
static const char *get_key_attribute(struct udev *udev, char *str)
static int rule_add_key(struct rule_tmp *rule_tmp, enum token_type type,
enum operation_type op,
static int rule_add_key(struct rule_tmp *rule_tmp, enum token_type type,
enum operation_type op,
- const char *value, const void *data)
-{
+ const char *value, const void *data) {
struct token *token = &rule_tmp->token[rule_tmp->token_cur];
const char *attr = NULL;
struct token *token = &rule_tmp->token[rule_tmp->token_cur];
const char *attr = NULL;
@@
-942,9
+921,6
@@
static int rule_add_key(struct rule_tmp *rule_tmp, enum token_type type,
case TK_A_MODE_ID:
token->key.mode = *(mode_t *)data;
break;
case TK_A_MODE_ID:
token->key.mode = *(mode_t *)data;
break;
- case TK_M_EVENT_TIMEOUT:
- token->key.event_timeout = *(int *)data;
- break;
case TK_RULE:
case TK_M_PARENTS_MIN:
case TK_M_PARENTS_MAX:
case TK_RULE:
case TK_M_PARENTS_MIN:
case TK_M_PARENTS_MAX:
@@
-1008,8
+984,7
@@
static int rule_add_key(struct rule_tmp *rule_tmp, enum token_type type,
return 0;
}
return 0;
}
-static int sort_token(struct udev_rules *rules, struct rule_tmp *rule_tmp)
-{
+static int sort_token(struct udev_rules *rules, struct rule_tmp *rule_tmp) {
unsigned int i;
unsigned int start = 0;
unsigned int end = rule_tmp->token_cur;
unsigned int i;
unsigned int start = 0;
unsigned int end = rule_tmp->token_cur;
@@
-1044,8
+1019,7
@@
static int sort_token(struct udev_rules *rules, struct rule_tmp *rule_tmp)
}
static int add_rule(struct udev_rules *rules, char *line,
}
static int add_rule(struct udev_rules *rules, char *line,
- const char *filename, unsigned int filename_off, unsigned int lineno)
-{
+ const char *filename, unsigned int filename_off, unsigned int lineno) {
char *linepos;
const char *attr;
struct rule_tmp rule_tmp;
char *linepos;
const char *attr;
struct rule_tmp rule_tmp;
@@
-1462,13
+1436,6
@@
static int add_rule(struct udev_rules *rules, char *line,
rule_add_key(&rule_tmp, TK_A_DEVLINK_PRIO, op, NULL, &prio);
}
rule_add_key(&rule_tmp, TK_A_DEVLINK_PRIO, op, NULL, &prio);
}
- pos = strstr(value, "event_timeout=");
- if (pos != NULL) {
- int tout = atoi(&pos[strlen("event_timeout=")]);
-
- rule_add_key(&rule_tmp, TK_M_EVENT_TIMEOUT, op, NULL, &tout);
- }
-
pos = strstr(value, "string_escape=");
if (pos != NULL) {
pos = &pos[strlen("string_escape=")];
pos = strstr(value, "string_escape=");
if (pos != NULL) {
pos = &pos[strlen("string_escape=")];
@@
-1524,8
+1491,7
@@
invalid:
return -1;
}
return -1;
}
-static int parse_file(struct udev_rules *rules, const char *filename)
-{
+static int parse_file(struct udev_rules *rules, const char *filename) {
FILE *f;
unsigned int first_token;
unsigned int filename_off;
FILE *f;
unsigned int first_token;
unsigned int filename_off;
@@
-1533,15
+1499,19
@@
static int parse_file(struct udev_rules *rules, const char *filename)
int line_nr = 0;
unsigned int i;
int line_nr = 0;
unsigned int i;
- if (null_or_empty_path(filename)) {
- log_debug("skip empty file: %s", filename);
- return 0;
+ f = fopen(filename, "re");
+ if (!f) {
+ if (errno == ENOENT)
+ return 0;
+ else
+ return -errno;
}
}
- log_debug("read rules file: %s", filename);
- f = fopen(filename, "re");
- if (f == NULL)
- return -1;
+ if (null_or_empty_fd(fileno(f))) {
+ log_debug("Skipping empty file: %s", filename);
+ return 0;
+ } else
+ log_debug("Reading rules file: %s", filename);
first_token = rules->token_cur;
filename_off = rules_add_string(rules, filename);
first_token = rules->token_cur;
filename_off = rules_add_string(rules, filename);
@@
-1605,8
+1575,7
@@
static int parse_file(struct udev_rules *rules, const char *filename)
return 0;
}
return 0;
}
-struct udev_rules *udev_rules_new(struct udev *udev, int resolve_names)
-{
+struct udev_rules *udev_rules_new(struct udev *udev, int resolve_names) {
struct udev_rules *rules;
struct udev_list file_list;
struct token end_token;
struct udev_rules *rules;
struct udev_list file_list;
struct token end_token;
@@
-1676,8
+1645,7
@@
struct udev_rules *udev_rules_new(struct udev *udev, int resolve_names)
return rules;
}
return rules;
}
-struct udev_rules *udev_rules_unref(struct udev_rules *rules)
-{
+struct udev_rules *udev_rules_unref(struct udev_rules *rules) {
if (rules == NULL)
return NULL;
free(rules->tokens);
if (rules == NULL)
return NULL;
free(rules->tokens);
@@
-1688,16
+1656,14
@@
struct udev_rules *udev_rules_unref(struct udev_rules *rules)
return NULL;
}
return NULL;
}
-bool udev_rules_check_timestamp(struct udev_rules *rules)
-{
+bool udev_rules_check_timestamp(struct udev_rules *rules) {
if (!rules)
return false;
return paths_check_timestamp(rules_dirs, &rules->dirs_ts_usec, true);
}
if (!rules)
return false;
return paths_check_timestamp(rules_dirs, &rules->dirs_ts_usec, true);
}
-static int match_key(struct udev_rules *rules, struct token *token, const char *val)
-{
+static int match_key(struct udev_rules *rules, struct token *token, const char *val) {
char *key_value = rules_str(rules, token->key.value_off);
char *pos;
bool match = false;
char *key_value = rules_str(rules, token->key.value_off);
char *pos;
bool match = false;
@@
-1770,8
+1736,7
@@
static int match_key(struct udev_rules *rules, struct token *token, const char *
return -1;
}
return -1;
}
-static int match_attr(struct udev_rules *rules, struct udev_device *dev, struct udev_event *event, struct token *cur)
-{
+static int match_attr(struct udev_rules *rules, struct udev_device *dev, struct udev_event *event, struct token *cur) {
const char *name;
char nbuf[UTIL_NAME_SIZE];
const char *value;
const char *name;
char nbuf[UTIL_NAME_SIZE];
const char *value;
@@
-1825,8
+1790,10
@@
enum escape_type {
ESCAPE_REPLACE,
};
ESCAPE_REPLACE,
};
-int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event, const sigset_t *sigmask)
-{
+int udev_rules_apply_to_event(struct udev_rules *rules,
+ struct udev_event *event,
+ usec_t timeout_usec,
+ const sigset_t *sigmask) {
struct token *cur;
struct token *rule;
enum escape_type esc = ESCAPE_UNSET;
struct token *cur;
struct token *rule;
enum escape_type esc = ESCAPE_UNSET;
@@
-2020,10
+1987,6
@@
int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event
goto nomatch;
break;
}
goto nomatch;
break;
}
- case TK_M_EVENT_TIMEOUT:
- log_debug("OPTIONS event_timeout=%u", cur->key.event_timeout);
- event->timeout_usec = cur->key.event_timeout * 1000 * 1000;
- break;
case TK_M_PROGRAM: {
char program[UTIL_PATH_SIZE];
char **envp;
case TK_M_PROGRAM: {
char program[UTIL_PATH_SIZE];
char **envp;
@@
-2038,7
+2001,7
@@
int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event
rules_str(rules, rule->rule.filename_off),
rule->rule.filename_line);
rules_str(rules, rule->rule.filename_off),
rule->rule.filename_line);
- if (udev_event_spawn(event, program, envp, sigmask, result, sizeof(result)) < 0) {
+ if (udev_event_spawn(event,
timeout_usec,
program, envp, sigmask, result, sizeof(result)) < 0) {
if (cur->key.op != OP_NOMATCH)
goto nomatch;
} else {
if (cur->key.op != OP_NOMATCH)
goto nomatch;
} else {
@@
-2074,7
+2037,7
@@
int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event
rules_str(rules, rule->rule.filename_off),
rule->rule.filename_line);
rules_str(rules, rule->rule.filename_off),
rule->rule.filename_line);
- if (import_program_into_properties(event, import, sigmask) != 0)
+ if (import_program_into_properties(event,
timeout_usec,
import, sigmask) != 0)
if (cur->key.op != OP_NOMATCH)
goto nomatch;
break;
if (cur->key.op != OP_NOMATCH)
goto nomatch;
break;
@@
-2499,8
+2462,7
@@
int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event
}
}
}
}
-int udev_rules_apply_static_dev_perms(struct udev_rules *rules)
-{
+int udev_rules_apply_static_dev_perms(struct udev_rules *rules) {
struct token *cur;
struct token *rule;
uid_t uid = 0;
struct token *cur;
struct token *rule;
uid_t uid = 0;