X-Git-Url: https://www.tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fconf.c;h=803c96c219d38621e5f449bb89d6e01cde232f91;hp=568103373c9a5a1612c22cfa779143a5a04ce07c;hb=23730375f27c32e0fe1a59c7a761dd85296a7a4a;hpb=de78d79db84c486afcc353884ec1770866beb653

diff --git a/src/conf.c b/src/conf.c
index 56810337..803c96c2 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
-                  2000-2006 Guus Sliepen <guus@tinc-vpn.org>
+                  2000-2008 Guus Sliepen <guus@tinc-vpn.org>
 		  2000 Cris van Pelt
 
     This program is free software; you can redistribute it and/or modify
@@ -301,6 +301,8 @@ static char *readline(FILE * fp, char **buf, size_t *buflen)
 			size = newsize;
 		} else {
 			*newline = '\0';	/* kill newline */
+			if(newline > p && newline[-1] == '\r')	/* and carriage return if necessary */
+				newline[-1] = '\0';
 			break;				/* yay */
 		}
 	}
@@ -343,6 +345,11 @@ int read_config_file(avl_tree_t *config_tree, const char *fname)
 	buffer = xmalloc(bufsize);
 
 	for(;;) {
+		if(feof(fp)) {
+			err = 0;
+			break;
+		}
+
 		line = readline(fp, &buffer, &bufsize);
 
 		if(!line) {
@@ -350,11 +357,6 @@ int read_config_file(avl_tree_t *config_tree, const char *fname)
 			break;
 		}
 
-		if(feof(fp)) {
-			err = 0;
-			break;
-		}
-
 		lineno++;
 
 		if(!*line || *line == '#')
@@ -427,7 +429,7 @@ 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;
@@ -477,7 +479,7 @@ 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"),
@@ -490,3 +492,34 @@ 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;
+}