summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorJohn Crispin <blogic@openwrt.org>2013-09-03 20:04:49 +0200
committerJohn Crispin <blogic@openwrt.org>2013-09-03 20:26:51 +0200
commit03aab02afbfe00f4ee767d3fbc234ea348a34179 (patch)
tree36558f10985fe3ab6ca1ad78e3f4c7a2182b2038
parent64f8c21e5a670053ab9e4719cedbb2d963634c0c (diff)
downloadunitd-03aab02afbfe00f4ee767d3fbc234ea348a34179.tar
unitd-03aab02afbfe00f4ee767d3fbc234ea348a34179.zip
add a ubus handler that allows sending signals to processes
Signed-off-by: John Crispin <blogic@openwrt.org>
-rw-r--r--system.c32
1 files changed, 31 insertions, 1 deletions
diff --git a/system.c b/system.c
index 7ca4360..0b3c466 100644
--- a/system.c
+++ b/system.c
@@ -18,7 +18,7 @@
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
-
+#include <signal.h>
#include <unistd.h>
#include <libubox/uloop.h>
@@ -257,11 +257,41 @@ static int watchdog_set(struct ubus_context *ctx, struct ubus_object *obj,
return 0;
}
+enum {
+ SIGNAL_PID,
+ SIGNAL_NUM,
+ __SIGNAL_MAX
+};
+
+static const struct blobmsg_policy signal_policy[__WDT_MAX] = {
+ [SIGNAL_PID] = { .name = "pid", .type = BLOBMSG_TYPE_INT32 },
+ [SIGNAL_NUM] = { .name = "signum", .type = BLOBMSG_TYPE_INT32 },
+};
+
+static int proc_signal(struct ubus_context *ctx, struct ubus_object *obj,
+ struct ubus_request_data *req, const char *method,
+ struct blob_attr *msg)
+{
+ struct blob_attr *tb[__SIGNAL_MAX];
+
+ if (!msg)
+ return UBUS_STATUS_INVALID_ARGUMENT;
+
+ blobmsg_parse(signal_policy, __SIGNAL_MAX, tb, blob_data(msg), blob_len(msg));
+ if (!tb[SIGNAL_PID || !tb[SIGNAL_NUM]])
+ return UBUS_STATUS_INVALID_ARGUMENT;
+
+ kill(blobmsg_get_u32(tb[SIGNAL_PID]), blobmsg_get_u32(tb[SIGNAL_NUM]));
+
+ return 0;
+}
+
static const struct ubus_method system_methods[] = {
UBUS_METHOD_NOARG("board", system_board),
UBUS_METHOD_NOARG("info", system_info),
UBUS_METHOD_NOARG("upgrade", system_upgrade),
UBUS_METHOD("watchdog", watchdog_set, watchdog_policy),
+ UBUS_METHOD("signal", proc_signal, signal_policy),
};
static struct ubus_object_type system_object_type =