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ubusd: log ACL init errors

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This makes it easier to notice ubusd (and so often a system) failing to
start properly. Some users reported procd failing to initialize fully
without a clear error in case of faulty /etc/passwd.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Acked-by: John Crispin <john@phrozen.org>
This commit is contained in:
Rafał Miłecki 2021-08-20 18:39:46 +02:00
parent 4fc532c8a5
commit b743a33142
2 changed files with 13 additions and 3 deletions
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13
ubusd_acl.c
View file

@ -26,6 +26,7 @@
#include <libubox/vlist.h>
#include <libubox/blobmsg_json.h>
#include <libubox/avl-cmp.h>
#include <libubox/ulog.h>
#include "ubusd.h"
@ -175,19 +176,25 @@ ubusd_acl_init_client(struct ubus_client *cl, int fd)
#ifdef SO_PEERCRED
unsigned int len = sizeof(struct ucred);
if (getsockopt(fd, SOL_SOCKET, SO_PEERCRED, &cred, &len) == -1)
if (getsockopt(fd, SOL_SOCKET, SO_PEERCRED, &cred, &len) == -1) {
ULOG_ERR("Failed getsockopt(): %m\n");
return -1;
}
#else
memset(&cred, 0, sizeof(cred));
#endif
pwd = getpwuid(cred.uid);
if (!pwd)
if (!pwd) {
ULOG_ERR("Failed getpwuid(): %m\n");
return -1;
}
group = getgrgid(cred.gid);
if (!group)
if (!group) {
ULOG_ERR("Failed getgrgid(): %m\n");
return -1;
}
cl->uid = cred.uid;
cl->gid = cred.gid;

3
ubusd_main.c
View file

@ -233,6 +233,8 @@ static void mkdir_sockdir()
free(ubus_sock_dir);
}
#include <libubox/ulog.h>
int main(int argc, char **argv)
{
const char *ubus_socket = UBUS_UNIX_SOCKET;
@ -242,6 +244,7 @@ int main(int argc, char **argv)
signal(SIGPIPE, SIG_IGN);
signal(SIGHUP, sighup_handler);
ulog_open(ULOG_KMSG | ULOG_SYSLOG, LOG_DAEMON, "ubusd");
openlog("ubusd", LOG_PID, LOG_DAEMON);
uloop_init();