X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/1bbd10fe070d8b07a8c4991e17d1fc04295fe42e..e3bdb76326a4a06023bc1f24e5e0dd271df87825:/clientserver.c

diff --git a/clientserver.c b/clientserver.c
index 87e79908..50203350 100644
--- a/clientserver.c
+++ b/clientserver.c
@@ -80,6 +80,8 @@ int start_socket_client(char *host, char *path, int argc, char *argv[])
 	if (!user) user = getenv("LOGNAME");
 
 	if (verbose >= 2) {
+		rprintf(FINFO, "opening tcp connection to %s port %d\n",
+			host, rsync_port);
 	}
 	fd = open_socket_out_wrapped (host, rsync_port, bind_address,
 				      default_af_hint);
@@ -129,7 +131,10 @@ int start_socket_client(char *host, char *path, int argc, char *argv[])
 
 		if (strcmp(line,"@RSYNCD: EXIT") == 0) exit(0);
 
-		rprintf(FINFO,"%s\n", line);
+		if (strncmp(line, "@ERROR", 6) == 0)
+			rprintf(FERROR,"%s\n", line);
+		else
+			rprintf(FINFO,"%s\n", line);
 	}
 	kludge_around_eof = False;
 
@@ -282,6 +287,26 @@ static int rsync_module(int fd, int i)
 	}
 
 	if (am_root) {
+#ifdef HAVE_SETGROUPS
+		/* Get rid of any supplementary groups this process
+		 * might have inheristed. */
+		if (setgroups(0, NULL)) {
+			rsyserr(FERROR, errno, "setgroups failed");
+			io_printf(fd, "@ERROR: setgroups failed\n");
+			return -1;
+		}
+#endif
+
+		/* XXXX: You could argue that if the daemon is started
+		 * by a non-root user and they explicitly specify a
+		 * gid, then we should try to change to that gid --
+		 * this could be possible if it's already in their
+		 * supplementary groups. */
+
+		/* TODO: Perhaps we need to document that if rsyncd is
+		 * started by somebody other than root it will inherit
+		 * all their supplementary groups. */
+
 		if (setgid(gid)) {
 			rsyserr(FERROR, errno, "setgid %d failed", (int) gid);
 			io_printf(fd,"@ERROR: setgid failed\n");