* GNU General Public License for more details.
*/
+#include <sys/types.h>
+#include <pwd.h>
#include <stdio.h>
#include <unistd.h>
#include <syslog.h>
#include <libubox/blobmsg.h>
#include <libubox/list.h>
#include <libubox/ustream.h>
+#include <libubox/utils.h>
#include <libubus.h>
#include "syslog.h"
int debug = 0;
static struct blob_buf b;
static struct ubus_auto_conn conn;
+static struct udebug_ubus udebug;
static LIST_HEAD(clients);
enum {
l = log_list(count, NULL);
if (stream) {
if (pipe(fds) == -1) {
- fprintf(stderr, "logd: failed to create pipe: %s\n", strerror(errno));
+ fprintf(stderr, "logd: failed to create pipe: %m\n");
return -1;
}
char *event;
if (msg) {
+ int len;
+
blobmsg_parse(&write_policy, 1, &tb, blob_data(msg), blob_len(msg));
if (tb) {
event = blobmsg_get_string(tb);
- log_add(event, strlen(event) + 1, SOURCE_SYSLOG);
+ len = strlen(event) + 1;
+ if (len > LOG_LINE_SIZE) {
+ len = LOG_LINE_SIZE;
+ event[len - 1] = 0;
+ }
+
+ log_add(event, len, SOURCE_SYSLOG);
}
}
{
struct client *c;
- if (list_empty(&clients))
+ if (list_empty(&clients) && !log_object.has_subscribers)
return;
blob_buf_init(&b, 0);
blobmsg_add_u32(&b, "source", l->source);
blobmsg_add_u64(&b, "time", (((__u64) l->ts.tv_sec) * 1000) + (l->ts.tv_nsec / 1000000));
+ if (log_object.has_subscribers)
+ ubus_notify(&conn.ctx, &log_object, "message", b.head, -1);
+
list_for_each_entry(c, &clients, list)
ustream_write(&c->s.stream, (void *) b.head, blob_len(b.head) + sizeof(struct blob_attr), false);
main(int argc, char **argv)
{
int ch, log_size = 16;
+ struct passwd *p = NULL;
signal(SIGPIPE, SIG_IGN);
while ((ch = getopt(argc, argv, "S:")) != -1) {
log_init(log_size);
conn.cb = ubus_connect_handler;
ubus_auto_connect(&conn);
+ udebug_ubus_init(&udebug, &conn.ctx, "log", log_udebug_config);
+ p = getpwnam("logd");
+ if (p) {
+ if (setgid(p->pw_gid) < 0) {
+ fprintf(stderr, "setgid() failed: %s\n", strerror(errno));
+ exit(1);
+ }
+
+ if (setuid(p->pw_uid) < 0) {
+ fprintf(stderr, "setuid() failed: %s\n", strerror(errno));
+ exit(1);
+ }
+ }
uloop_run();
+ udebug_ubus_free(&udebug);
log_shutdown();
uloop_done();
ubus_auto_shutdown(&conn);