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authorKay Sievers <kay@vrfy.org>2014-11-13 20:35:06 +0100
committerKay Sievers <kay@vrfy.org>2014-11-13 20:35:06 +0100
commitadeba5008eac3105ae59256dedd087ebe006a9e6 (patch)
tree5b8dd3f0e7c6e47b560e89fd48f3039e1201a78e /src/udev
parent41b848b0ea674dba135d5d5f82b87d126d967fcf (diff)
udev: support ENV{}=="" global property matches
Diffstat (limited to 'src/udev')
-rw-r--r--src/udev/udev-event.c17
-rw-r--r--src/udev/udev-rules.c14
-rw-r--r--src/udev/udev.h11
-rw-r--r--src/udev/udevadm-test.c6
-rw-r--r--src/udev/udevd.c14
5 files changed, 48 insertions, 14 deletions
diff --git a/src/udev/udev-event.c b/src/udev/udev-event.c
index 5585b78cc3..34f5348a2c 100644
--- a/src/udev/udev-event.c
+++ b/src/udev/udev-event.c
@@ -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") &&
diff --git a/src/udev/udev-rules.c b/src/udev/udev-rules.c
index c02295fbe2..093d68cf0c 100644
--- a/src/udev/udev-rules.c
+++ b/src/udev/udev-rules.c
@@ -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;
diff --git a/src/udev/udev.h b/src/udev/udev.h
index 7668a27ae8..dece6eccab 100644
--- a/src/udev/udev.h
+++ b/src/udev/udev.h
@@ -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[]);
diff --git a/src/udev/udevadm-test.c b/src/udev/udevadm-test.c
index 4738b611c3..d9d61b42d5 100644
--- a/src/udev/udevadm-test.c
+++ b/src/udev/udevadm-test.c
@@ -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));
diff --git a/src/udev/udevd.c b/src/udev/udevd.c
index 6335b6c75a..3c3de76f34 100644
--- a/src/udev/udevd.c
+++ b/src/udev/udevd.c
@@ -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_run(udev_event, arg_event_timeout_usec, arg_event_timeout_warn_usec, &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);
/* in case rtnl was initialized */
rtnl = sd_rtnl_ref(udev_event->rtnl);