X-Git-Url: https://www.tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fconf.c;h=8af2c6a230c8969936415bdf11c5bfa445e66ddb;hb=0e6856b1379e278aa5ed116d0911851339a6064c;hp=a61a3591b8ba592c74bc63a22a6d3e92ff99a0b3;hpb=0966cca8ab6dcde2747c717f21d73fd332e04242;p=tinc

diff --git a/src/conf.c b/src/conf.c
index a61a3591..8af2c6a2 100644
--- a/src/conf.c
+++ b/src/conf.c
@@ -2,7 +2,7 @@
     conf.c -- configuration code
     Copyright (C) 1998 Robert van der Meulen
                   1998-2005 Ivo Timmermans
-                  2000-2008 Guus Sliepen <guus@tinc-vpn.org>
+                  2000-2009 Guus Sliepen <guus@tinc-vpn.org>
 		  2000 Cris van Pelt
 
     This program is free software; you can redistribute it and/or modify
@@ -18,8 +18,6 @@
     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.
-
-    $Id$
 */
 
 #include "system.h"
@@ -417,7 +415,7 @@ bool read_server_config()
 
 	cp();
 
-	asprintf(&fname, "%s/tinc.conf", confbase);
+	xasprintf(&fname, "%s/tinc.conf", confbase);
 	x = read_config_file(config_tree, fname);
 
 	if(x == -1) {				/* System error: complain */
@@ -429,7 +427,7 @@ bool read_server_config()
 	return x == 0;
 }
 
-FILE *ask_and_open(const char *filename, const char *what, const char *mode)
+FILE *ask_and_open(const char *filename, const char *what)
 {
 	FILE *r;
 	char *directory;
@@ -469,7 +467,7 @@ FILE *ask_and_open(const char *filename, const char *what, const char *mode)
 		char *p;
 
 		directory = get_current_dir_name();
-		asprintf(&p, "%s/%s", directory, fn);
+		xasprintf(&p, "%s/%s", directory, fn);
 		free(fn);
 		free(directory);
 		fn = p;
@@ -479,7 +477,7 @@ FILE *ask_and_open(const char *filename, const char *what, const char *mode)
 
 	/* Open it first to keep the inode busy */
 
-	r = fopen(fn, mode);
+	r = fopen(fn, "r+") ?: fopen(fn, "w+");
 
 	if(!r) {
 		fprintf(stderr, _("Error opening file `%s': %s\n"),
@@ -492,3 +490,34 @@ FILE *ask_and_open(const char *filename, const char *what, const char *mode)
 
 	return r;
 }
+
+bool disable_old_keys(FILE *f) {
+	char buf[100];
+	long pos;
+	bool disabled = false;
+
+	rewind(f);
+	pos = ftell(f);
+
+	while(fgets(buf, sizeof buf, f)) {
+		if(!strncmp(buf, "-----BEGIN RSA", 14)) {	
+			buf[11] = 'O';
+			buf[12] = 'L';
+			buf[13] = 'D';
+			fseek(f, pos, SEEK_SET);
+			fputs(buf, f);
+			disabled = true;
+		}
+		else if(!strncmp(buf, "-----END RSA", 12)) {	
+			buf[ 9] = 'O';
+			buf[10] = 'L';
+			buf[11] = 'D';
+			fseek(f, pos, SEEK_SET);
+			fputs(buf, f);
+			disabled = true;
+		}
+		pos = ftell(f);
+	}
+
+	return disabled;
+}