From adeba5008eac3105ae59256dedd087ebe006a9e6 Mon Sep 17 00:00:00 2001 From: Kay Sievers Date: Thu, 13 Nov 2014 20:35:06 +0100 Subject: udev: support ENV{}=="" global property matches --- src/udev/udev-event.c | 17 ++++++++++++----- src/udev/udev-rules.c | 14 +++++++++++++- src/udev/udev.h | 11 ++++++++--- src/udev/udevadm-test.c | 6 +++++- src/udev/udevd.c | 14 ++++++++++---- 5 files changed, 48 insertions(+), 14 deletions(-) (limited to 'src/udev') 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); -- cgit v1.2.3-54-g00ecf