diff options
| -rw-r--r-- | tap.c | 10 |
1 files changed, 10 insertions, 0 deletions
@@ -856,12 +856,19 @@ static void tap_sock_unix_new(struct ctx *c) { struct epoll_event ev = { 0 }; int v = INT_MAX / 2; + struct ucred ucred; + socklen_t len; + + len = sizeof(ucred); /* Another client is already connected: accept and close right away. */ if (c->fd_tap != -1) { int discard = accept4(c->fd_tap_listen, NULL, NULL, SOCK_NONBLOCK); + if (!getsockopt(discard, SOL_SOCKET, SO_PEERCRED, &ucred, &len)) + info("discarding connection from PID %i", ucred.pid); + if (discard != -1) close(discard); @@ -870,6 +877,9 @@ static void tap_sock_unix_new(struct ctx *c) c->fd_tap = accept4(c->fd_tap_listen, NULL, NULL, 0); + if (!getsockopt(c->fd_tap, SOL_SOCKET, SO_PEERCRED, &ucred, &len)) + info("accepted connection from PID %i", ucred.pid); + if (!c->low_rmem && setsockopt(c->fd_tap, SOL_SOCKET, SO_RCVBUF, &v, sizeof(v))) trace("tap: failed to set SO_RCVBUF to %i", v); |