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udev: support ENV{}=="" global property matches

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This commit is contained in:
Kay Sievers 2014-11-13 20:35:06 +01:00
parent 41b848b0ea
commit adeba5008e
6 changed files with 55 additions and 15 deletions
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10
src/test/test-udev.c
View File

@ -149,8 +149,14 @@ int main(int argc, char *argv[]) {
}
}
udev_event_execute_rules(event, 3 * USEC_PER_SEC, USEC_PER_SEC, rules, &sigmask_orig);
udev_event_execute_run(event, 3 * USEC_PER_SEC, USEC_PER_SEC, NULL);
udev_event_execute_rules(event,
3 * USEC_PER_SEC, USEC_PER_SEC,
NULL,
rules,
&sigmask_orig);
udev_event_execute_run(event,
3 * USEC_PER_SEC, USEC_PER_SEC,
NULL);
out:
if (event != NULL && event->fd_signal >= 0)
close(event->fd_signal);

17
src/udev/udev-event.c
View File

@ -787,9 +787,10 @@ static int rename_netif(struct udev_event *event) {
}
void udev_event_execute_rules(struct udev_event *event,
usec_t timeout_usec,
usec_t timeout_warn_usec,
struct udev_rules *rules, const sigset_t *sigmask) {
usec_t timeout_usec, usec_t timeout_warn_usec,
struct udev_list *properties_list,
struct udev_rules *rules,
const sigset_t *sigmask) {
struct udev_device *dev = event->dev;
if (udev_device_get_subsystem(dev) == NULL)
@ -803,7 +804,10 @@ void udev_event_execute_rules(struct udev_event *event,
if (major(udev_device_get_devnum(dev)) != 0)
udev_watch_end(event->udev, dev);
udev_rules_apply_to_event(rules, event, timeout_usec, timeout_warn_usec, sigmask);
udev_rules_apply_to_event(rules, event,
timeout_usec, timeout_warn_usec,
properties_list,
sigmask);
if (major(udev_device_get_devnum(dev)) != 0)
udev_node_remove(dev);
@ -837,7 +841,10 @@ void udev_event_execute_rules(struct udev_event *event,
}
}
udev_rules_apply_to_event(rules, event, timeout_usec, timeout_warn_usec, sigmask);
udev_rules_apply_to_event(rules, event,
timeout_usec, timeout_warn_usec,
properties_list,
sigmask);
/* rename a new network interface, if needed */
if (udev_device_get_ifindex(dev) > 0 && streq(udev_device_get_action(dev), "add") &&

14
src/udev/udev-rules.c
View File

@ -1876,6 +1876,7 @@ 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,
const sigset_t *sigmask) {
struct token *cur;
struct token *rule;
@ -1941,7 +1942,18 @@ int udev_rules_apply_to_event(struct udev_rules *rules,
const char *value;
value = udev_device_get_property_value(event->dev, key_name);
if (value == NULL)
/* check global properties */
if (!value && properties_list) {
struct udev_list_entry *list_entry;
list_entry = udev_list_get_entry(properties_list);
list_entry = udev_list_entry_get_by_name(list_entry, key_name);
if (list_entry != NULL)
value = udev_list_entry_get_value(list_entry);
}
if (!value)
value = "";
if (match_key(rules, cur, value))
goto nomatch;

11
src/udev/udev.h
View File

@ -73,7 +73,9 @@ struct udev_rules;
struct udev_rules *udev_rules_new(struct udev *udev, int resolve_names);
struct udev_rules *udev_rules_unref(struct udev_rules *rules);
bool udev_rules_check_timestamp(struct udev_rules *rules);
int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event, usec_t timeout_usec, usec_t timeout_warn_usec,
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,
const sigset_t *sigmask);
int udev_rules_apply_static_dev_perms(struct udev_rules *rules);
@ -88,8 +90,11 @@ int udev_event_spawn(struct udev_event *event,
usec_t timeout_warn_usec,
const char *cmd, char **envp, const sigset_t *sigmask,
char *result, size_t ressize);
void udev_event_execute_rules(struct udev_event *event, usec_t timeout_usec, usec_t timeout_warn_usec,
struct udev_rules *rules, const sigset_t *sigset);
void udev_event_execute_rules(struct udev_event *event,
usec_t timeout_usec, usec_t timeout_warn_usec,
struct udev_list *properties_list,
struct udev_rules *rules,
const sigset_t *sigset);
void udev_event_execute_run(struct udev_event *event, usec_t timeout_usec, usec_t timeout_warn_usec, const sigset_t *sigset);
int udev_build_argv(struct udev *udev, char *cmd, int *argc, char *argv[]);

6
src/udev/udevadm-test.c
View File

@ -136,7 +136,11 @@ static int adm_test(struct udev *udev, int argc, char *argv[]) {
goto out;
}
udev_event_execute_rules(event, 60 * USEC_PER_SEC, 20 * USEC_PER_SEC, rules, &sigmask_orig);
udev_event_execute_rules(event,
60 * USEC_PER_SEC, 20 * USEC_PER_SEC,
NULL,
rules,
&sigmask_orig);
udev_list_entry_foreach(entry, udev_device_get_properties_list_entry(dev))
printf("%s=%s\n", udev_list_entry_get_name(entry), udev_list_entry_get_value(entry));

12
src/udev/udevd.c
View File

@ -75,8 +75,8 @@ static sigset_t sigmask_orig;
static UDEV_LIST(event_list);
static UDEV_LIST(worker_list);
static char *udev_cgroup;
static bool udev_exit;
static struct udev_list properties_list;
static bool udev_exit;
enum event_state {
EVENT_UNDEF,
@ -305,9 +305,15 @@ static void worker_new(struct event *event) {
udev_event->rtnl = rtnl;
/* apply rules, create node, symlinks */
udev_event_execute_rules(udev_event, arg_event_timeout_usec, arg_event_timeout_warn_usec, rules, &sigmask_orig);
udev_event_execute_rules(udev_event,
arg_event_timeout_usec, arg_event_timeout_warn_usec,
&properties_list,
rules,
&sigmask_orig);
udev_event_execute_run(udev_event, arg_event_timeout_usec, arg_event_timeout_warn_usec, &sigmask_orig);
udev_event_execute_run(udev_event,
arg_event_timeout_usec, arg_event_timeout_warn_usec,
&sigmask_orig);
/* in case rtnl was initialized */
rtnl = sd_rtnl_ref(udev_event->rtnl);