Fixed all sprintf() spl01ts.

[tinc] / src / encr.c

diff --git a/src/encr.c b/src/encr.c
index cae34c4..81c6e11 100644 (file)
--- a/src/encr.c
+++ b/src/encr.c
@@ -1,6 +1,7 @@
 /*
     encr.c -- everything that deals with encryption
-    Copyright (C) 1998,1999,2000 Ivo Timmermans <zarq@iname.com>
+    Copyright (C) 1998,1999,2000 Ivo Timmermans <itimmermans@bigfoot.com>
+                            2000 Guus Sliepen <guus@sliepen.warande.net>
 
     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
@@ -15,6 +16,8 @@
     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: encr.c,v 1.12.4.3 2000/08/17 16:51:07 guus Exp $
 */
 
 #include "config.h"
@@ -95,18 +98,17 @@ int read_passphrase(char *which, char **out)
 cp
   if((cfg = get_config_val(passphrasesdir)) == NULL)
     {
-      filename = xmalloc(strlen(confbase)+13+strlen(which));
-      sprintf(filename, "%spassphrases/%s", confbase, which);
+      asprintf(&filename, "%spassphrases/%s", confbase, which);
     }
   else
     {
-      filename = xmalloc(strlen(cfg->data.ptr)+2+strlen(which));
-      sprintf(filename, "%s/%s", (char*)cfg->data.ptr, which);
+      asprintf(&filename, "%s/%s", (char*)cfg->data.ptr, which);
     }
 
   if((f = fopen(filename, "rb")) == NULL)
     {
-      syslog(LOG_ERR, _("Could not open %s: %m"), filename);
+      if(debug_lvl > 1)
+        syslog(LOG_ERR, _("Could not open %s: %m"), filename);
       return -1;
     }
 
@@ -147,7 +149,8 @@ cp
   else
     my_key_expiry = (time_t)(time(NULL) + cfg->data.val);
 
-  syslog(LOG_NOTICE, _("Generating %d bits keys."), PRIVATE_KEY_BITS);
+  if(debug_lvl > 1)
+    syslog(LOG_NOTICE, _("Generating %d bits keys"), PRIVATE_KEY_BITS);
 
   if((f = fopen("/dev/urandom", "r")) == NULL)
     {
@@ -263,7 +266,7 @@ int verify_passphrase(conn_list_t *cl, unsigned char *his_pubkey)
   mpz_t pk;
   unsigned char *out;
   BF_KEY bf_key;
-  char which[sizeof("123.123.123.123")+1];
+  char *which;
   char *meuk;
 cp
   mpz_init_set_str(pk, his_pubkey, 36);
@@ -277,7 +280,7 @@ cp
   if(key_inited)
     cipher_set_key(&encryption_key, encryption_keylen, text_key);
 
-  sprintf(which, IP_ADDR_S, IP_ADDR_V(cl->vpn_ip));
+  asprintf(&which, IP_ADDR_S, IP_ADDR_V(cl->vpn_ip));
   if((pplen = read_passphrase(which, &meuk)) < 0)
     return -1;