X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/3b2b53456759d614a92f178fa43f9c9ec1332f8e..740819ef7b3b96451e16b2fa3891d46cfc73ec64:/clientserver.c

diff --git a/clientserver.c b/clientserver.c
index 64e4d896..aefdb54a 100644
--- a/clientserver.c
+++ b/clientserver.c
@@ -42,9 +42,10 @@ int start_socket_client(char *host, char *path, int argc, char *argv[])
 	char *p, *user=NULL;
 	extern int remote_version;
 	extern int am_sender;
-	extern struct in_addr socket_address;
 	extern char *shell_cmd;
-
+	extern int kludge_around_eof;
+	extern char *bind_address;
+       
 	if (argc == 0 && !am_sender) {
 		extern int list_only;
 		list_only = 1;
@@ -63,7 +64,7 @@ int start_socket_client(char *host, char *path, int argc, char *argv[])
         }
         
 	if (*path == '/') {
-		rprintf(FERROR,"ERROR: The remote path must start with a module name\n");
+		rprintf(FERROR,"ERROR: The remote path must start with a module name not a /\n");
 		return -1;
 	}
 
@@ -77,7 +78,8 @@ int start_socket_client(char *host, char *path, int argc, char *argv[])
 	if (!user) user = getenv("USER");
 	if (!user) user = getenv("LOGNAME");
 
-	fd = open_socket_out(host, rsync_port, &socket_address);
+	fd = open_socket_out_wrapped (host, rsync_port, bind_address,
+				      global_opts.af_hint);
 	if (fd == -1) {
 		exit_cleanup(RERR_SOCKETIO);
 	}
@@ -106,6 +108,10 @@ int start_socket_client(char *host, char *path, int argc, char *argv[])
 	io_printf(fd,"%s\n",path);
 	if (p) *p = '/';
 
+	/* Old servers may just drop the connection here,
+	 rather than sending a proper EXIT command.  Yuck. */
+	kludge_around_eof = remote_version < 25;
+
 	while (1) {
 		if (!read_line(fd, line, sizeof(line)-1)) {
 			return -1;
@@ -117,8 +123,12 @@ int start_socket_client(char *host, char *path, int argc, char *argv[])
 		}
 
 		if (strcmp(line,"@RSYNCD: OK") == 0) break;
+
+		if (strcmp(line,"@RSYNCD: EXIT") == 0) exit(0);
+
 		rprintf(FINFO,"%s\n", line);
 	}
+	kludge_around_eof = False;
 
 	for (i=0;i<sargc;i++) {
 		io_printf(fd,"%s\n", sargs[i]);
@@ -141,7 +151,7 @@ static int rsync_module(int fd, int i)
 	char *argv[MAX_ARGS];
 	char **argp;
 	char line[MAXPATHLEN];
-	uid_t uid = (uid_t)-2;
+	uid_t uid = (uid_t)-2;  /* canonically "nobody" */
 	gid_t gid = (gid_t)-2;
 	char *p;
 	char *addr = client_addr(fd);
@@ -196,7 +206,7 @@ static int rsync_module(int fd, int i)
 		if (!name_to_uid(p, &uid)) {
 			if (!isdigit(*p)) {
 				rprintf(FERROR,"Invalid uid %s\n", p);
-				io_printf(fd,"@ERROR: invalid uid\n");
+				io_printf(fd,"@ERROR: invalid uid %s\n", p);
 				return -1;
 			} 
 			uid = atoi(p);
@@ -206,7 +216,7 @@ static int rsync_module(int fd, int i)
 		if (!name_to_gid(p, &gid)) {
 			if (!isdigit(*p)) {
 				rprintf(FERROR,"Invalid gid %s\n", p);
-				io_printf(fd,"@ERROR: invalid gid\n");
+				io_printf(fd,"@ERROR: invalid gid %s\n", p);
 				return -1;
 			} 
 			gid = atoi(p);
@@ -235,6 +245,18 @@ static int rsync_module(int fd, int i)
 	log_init();
 
 	if (use_chroot) {
+		/*
+		 * XXX: The 'use chroot' flag is a fairly reliable
+		 * source of confusion, because it fails under two
+		 * important circumstances: running as non-root,
+		 * running on Win32 (or possibly others).  On the
+		 * other hand, if you are running as root, then it
+		 * might be better to always use chroot.
+		 *
+		 * So, perhaps if we can't chroot we should just issue
+		 * a warning, unless a "require chroot" flag is set,
+		 * in which case we fail.
+		 */
 		if (chroot(lp_path(i))) {
 			rsyserr(FERROR, errno, "chroot %s failed", lp_path(i));
 			io_printf(fd,"@ERROR: chroot failed\n");
@@ -258,13 +280,13 @@ static int rsync_module(int fd, int i)
 
 	if (am_root) {
 		if (setgid(gid)) {
-			rsyserr(FERROR, errno, "setgid %d failed", gid);
+			rsyserr(FERROR, errno, "setgid %d failed", (int) gid);
 			io_printf(fd,"@ERROR: setgid failed\n");
 			return -1;
 		}
 
 		if (setuid(uid)) {
-			rsyserr(FERROR, errno, "setuid %d failed", uid);
+			rsyserr(FERROR, errno, "setuid %d failed", (int) uid);
 			io_printf(fd,"@ERROR: setuid failed\n");
 			return -1;
 		}
@@ -377,10 +399,14 @@ static void send_listing(int fd)
 {
 	int n = lp_numservices();
 	int i;
-	
+	extern int remote_version;
+
 	for (i=0;i<n;i++)
 		if (lp_list(i))
 		    io_printf(fd, "%-15s\t%s\n", lp_name(i), lp_comment(i));
+
+	if (remote_version >= 25)
+		io_printf(fd,"@RSYNCD: EXIT\n");
 }
 
 /* this is called when a socket connection is established to a client
@@ -483,7 +509,8 @@ int daemon_main(void)
 
 	log_init();
 
-	rprintf(FINFO, "rsyncd version %s starting, listening on port %d\n", VERSION,
+	rprintf(FINFO, "rsyncd version %s starting, listening on port %d\n",
+		RSYNC_VERSION,
                 rsync_port);
         /* TODO: If listening on a particular address, then show that
          * address too. */
@@ -499,7 +526,7 @@ int daemon_main(void)
 		    rsyserr(FLOG, errno, "failed to create pid file %s", pid_file);
 		    exit_cleanup(RERR_FILEIO);
 		}
-		slprintf(pidbuf, sizeof(pidbuf), "%d\n", pid);
+		snprintf(pidbuf, sizeof(pidbuf), "%d\n", pid);
 		write(fd, pidbuf, strlen(pidbuf));
 		close(fd);
 	}