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-rw-r--r--src/listen.c23
1 files changed, 22 insertions, 1 deletions
diff --git a/src/listen.c b/src/listen.c
index 063540428..1a52202ac 100644
--- a/src/listen.c
+++ b/src/listen.c
@@ -74,6 +74,7 @@ static int establishListen(int pf, const struct sockaddr *addrp,
{
int sock;
int allowReuse = ALLOW_REUSE;
+ int passcred = 1;
if ((sock = socket(pf, SOCK_STREAM, 0)) < 0)
FATAL("socket < 0\n");
@@ -96,6 +97,10 @@ static int establishListen(int pf, const struct sockaddr *addrp,
if (listen(sock, 5) < 0)
FATAL("problems listen'ing: %s\n", strerror(errno));
+#if defined(HAVE_UN) && defined(SO_PASSCRED)
+ setsockopt(sock, SOL_SOCKET, SO_PASSCRED, &passcred, sizeof(passcred));
+#endif
+
numberOfListenSockets++;
listenSockets =
xrealloc(listenSockets, sizeof(int) * numberOfListenSockets);
@@ -258,6 +263,22 @@ void freeAllListenSockets(void)
listenSockets = NULL;
}
+static int get_remote_uid(int fd)
+{
+#if defined(HAVE_UN) && defined(SO_PEERCRED)
+ struct ucred cred;
+ socklen_t len = sizeof (cred);
+
+ if (getsockopt(fd, SOL_SOCKET, SO_PEERCRED, &cred, &len) < 0)
+ return 0;
+
+ return cred.uid;
+#else
+ (void)fd;
+ return -1;
+#endif
+}
+
void getConnections(fd_set * fds)
{
int i;
@@ -269,7 +290,7 @@ void getConnections(fd_set * fds)
if (FD_ISSET(listenSockets[i], fds)) {
if ((fd = accept(listenSockets[i], &sockAddr, &socklen))
>= 0) {
- client_new(fd, &sockAddr);
+ client_new(fd, &sockAddr, get_remote_uid(fd));
} else if (fd < 0
&& (errno != EAGAIN && errno != EINTR)) {
ERROR("Problems accept()'ing\n");