ctdb-common: Move ctdb_get_peer_pid() to system.[ch]

[vlendec/samba-autobuild/.git] / ctdb / common / system.c

diff --git a/ctdb/common/system.c b/ctdb/common/system.c
index 50054f0abc65879ea0e27673fbad436a8799f6bd..a95f314e66fc3606ffe6b71a0b07de31634df9e2 100644 (file)
--- a/ctdb/common/system.c
+++ b/ctdb/common/system.c
@@ -198,3 +198,52 @@ bool ctdb_sys_check_iface_exists(const char *iface)
 }
 
 #endif /* HAVE_AF_PACKET */
+
+#ifdef HAVE_PEERCRED
+
+int ctdb_get_peer_pid(const int fd, pid_t *peer_pid)
+{
+       struct ucred cr;
+       socklen_t crl = sizeof(struct ucred);
+       int ret;
+
+       ret = getsockopt(fd, SOL_SOCKET, SO_PEERCRED, &cr, &crl);
+       if (ret == 0) {
+               *peer_pid = cr.pid;
+       } else {
+               *peer_pid = -1;
+       }
+       return ret;
+}
+
+#else /* HAVE_PEERCRED */
+
+#ifdef _AIX_
+
+int ctdb_get_peer_pid(const int fd, pid_t *peer_pid)
+{
+       struct peercred_struct cr;
+       socklen_t crl = sizeof(struct peercred_struct);
+       int ret;
+
+       ret = getsockopt(fd, SOL_SOCKET, SO_PEERID, &cr, &crl);
+       if (ret == 0) {
+               *peer_pid = cr.pid;
+       } else {
+               *peer_pid = -1;
+       }
+       return ret;
+}
+
+#else /* _AIX_ */
+
+int ctdb_get_peer_pid(const int fd, pid_t *peer_pid)
+{
+       /* Not implemented */
+       *peer_pid = -1;
+       return ENOSYS;
+}
+
+#endif /* _AIX_ */
+
+#endif /* HAVE_PEERCRED */