X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/5c6d46329b2c83ec0bbb8e6344d63517c8d8eec6..1b42f628f495ff0cdaa8a7c219d8ce33192281fe:/socket.c

diff --git a/socket.c b/socket.c
index 9079093c..ca8c5612 100644
--- a/socket.c
+++ b/socket.c
@@ -1,37 +1,34 @@
-/* -*- c-file-style: "linux" -*-
-
-   rsync -- fast file replication program
-
-   Copyright (C) 1992-2001 by Andrew Tridgell <tridge@samba.org>
-   Copyright (C) 2001, 2002 by Martin Pool <mbp@samba.org>
-
-   This program is free software; you can redistribute it and/or modify
-   it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2 of the License, or
-   (at your option) any later version.
-
-   This program is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-   GNU General Public License for more details.
-
-   You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software
-   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
-
-/**
- * @file socket.c
- *
+/*
  * Socket functions used in rsync.
  *
- * This file is now converted to use the new-style getaddrinfo()
+ * Copyright (C) 1992-2001 Andrew Tridgell <tridge@samba.org>
+ * Copyright (C) 2001, 2002 Martin Pool <mbp@samba.org>
+ * Copyright (C) 2003-2007 Wayne Davison
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, visit the http://fsf.org website.
+ */
+
+/* This file is now converted to use the new-style getaddrinfo()
  * interface, which supports IPv6 but is also supported on recent
  * IPv4-only machines.  On systems that don't have that interface, we
- * emulate it using the KAME implementation.
- **/
+ * emulate it using the KAME implementation. */
 
 #include "rsync.h"
+#include "ifuncs.h"
+#include <netinet/in_systm.h>
+#include <netinet/ip.h>
+#include <netinet/tcp.h>
 
 extern char *bind_address;
 extern int default_af_hint;
@@ -98,7 +95,7 @@ static int establish_proxy_connection(int fd, char *host, int port,
 			buffer);
 		return -1;
 	}
-	for (cp = &buffer[5]; isdigit(*(uchar*)cp) || *cp == '.'; cp++) {}
+	for (cp = &buffer[5]; isDigit(cp) || *cp == '.'; cp++) {}
 	while (*cp == ' ')
 		cp++;
 	if (*cp != '2') {
@@ -304,6 +301,42 @@ int open_socket_out_wrapped(char *host, int port, const char *bind_addr,
 {
 	char *prog = getenv("RSYNC_CONNECT_PROG");
 
+	if (prog && strchr(prog, '%')) {
+		int hlen = strlen(host);
+		int len = strlen(prog) + 1;
+		char *f, *t;
+		for (f = prog; *f; f++) {
+			if (*f != '%')
+				continue;
+			/* Compute more than enough room. */
+			if (f[1] == '%')
+				f++;
+			else
+				len += hlen;
+		}
+		f = prog;
+		if (!(prog = new_array(char, len)))
+			out_of_memory("open_socket_out_wrapped");
+		for (t = prog; *f; f++) {
+			if (*f == '%') {
+				switch (*++f) {
+				case '%':
+					/* Just skips the extra '%'. */
+					break;
+				case 'H':
+					memcpy(t, host, hlen);
+					t += hlen;
+					continue;
+				default:
+					f--; /* pass % through */
+					break;
+				}
+			}
+			*t++ = *f;
+		}
+		*t = '\0';
+	}
+
 	if (verbose >= 2) {
 		rprintf(FINFO, "%sopening tcp connection to %s port %d\n",
 			prog ? "Using RSYNC_CONNECT_PROG instead of " : "",
@@ -394,7 +427,8 @@ static int *open_socket_in(int type, int port, const char *bind_addr,
 		if (bind(s, resp->ai_addr, resp->ai_addrlen) < 0) {
 			/* Nope, try another */
 			int r = asprintf(&errmsgs[ecnt++],
-				"bind() failed: %s\n", strerror(errno));
+				"bind() failed: %s (address-family %d)\n",
+				strerror(errno), (int)resp->ai_family);
 			if (r < 0)
 				out_of_memory("open_socket_in");
 			close(s);
@@ -412,7 +446,7 @@ static int *open_socket_in(int type, int port, const char *bind_addr,
 	 * unsuccessful, or if the daemon is being run with -vv. */
 	for (s = 0; s < ecnt; s++) {
 		if (!i || verbose > 1)
-			rwrite(FLOG, errmsgs[s], strlen(errmsgs[s]));
+			rwrite(FLOG, errmsgs[s], strlen(errmsgs[s]), 0);
 		free(errmsgs[s]);
 	}
 	free(errmsgs);