-diff -uNr vtun-2.5-orig/ChangeLog vtun-2.5/ChangeLog
---- vtun-2.5-orig/ChangeLog Mon Jan 14 23:42:42 2002
-+++ vtun-2.5/ChangeLog Sun Feb 17 23:12:57 2002
-@@ -1,3 +1,9 @@
-+ver 2.5arc:
-+ Add sslauth option - possible to connect ssl and non-ssl
-+ clients/servers.
-+ If possible use /dev/random in non-ssl gen_chal for random generator
-+ seed.
-+
- ver 2.5:
- New config option to keep tun device always open
- iproute support
-diff -uNr vtun-2.5-orig/auth.c vtun-2.5/auth.c
---- vtun-2.5-orig/auth.c Thu Sep 6 21:43:41 2001
-+++ vtun-2.5/auth.c Mon Feb 18 00:46:52 2002
-@@ -26,6 +26,10 @@
- *
- * Jim Yonan, 05/24/2001
- * gen_chal rewrite to use better random number generator
+diff -Nur vtun-3.0.2-orig/auth.c vtun-3.0.2/auth.c
+--- vtun-3.0.2-orig/auth.c 2008-01-07 22:35:18.000000000 +0000
++++ vtun-3.0.2/auth.c 2008-09-01 14:20:13.000000000 +0000
+@@ -23,6 +23,10 @@
+ /*
+ * Challenge based authentication.
+ * Thanx to Chris Todd<christ@insynq.com> for the good idea.
+ *
+ * Artur R. Czechowski <arturcz@hell.pl>, 02/17/2002
+ * Add support for connectin ssl to non-ssl vtuns (sslauth option)
*/
#include "config.h"
-@@ -58,34 +62,53 @@
+@@ -55,34 +59,57 @@
#include "lock.h"
#include "auth.h"
-/* Encryption and Decryption of the challenge key */
#ifdef HAVE_SSL
--
- #include <md5.h>
- #include <blowfish.h>
- #include <rand.h>
-+#endif
+
+ #include <openssl/md5.h>
+ #include <openssl/blowfish.h>
+ #include <openssl/rand.h>
+
++#endif /* HAVE_SSL */
+
++/* Okay, start the "blue-wire" non-ssl auth patch stuff */
+void nonssl_encrypt_chal(char *chal, char *pwd)
-+{
-+ char * xor_msk = pwd;
++{
++ char *xor_msk = pwd;
+ register int i, xor_len = strlen(xor_msk);
+
-+ syslog(LOG_INFO,"Use nonSSL-aware challenge/response");
++ syslog(LOG_INFO, "Use nonSSL-aware challenge/response");
+ for(i=0; i < VTUN_CHAL_SIZE; i++)
+ chal[i] ^= xor_msk[i%xor_len];
+}
+
-+void inline nonssl_decrypt_chal(char *chal, char *pwd)
-+{
++inline void nonssl_decrypt_chal(char *chal, char *pwd)
++{
+ nonssl_encrypt_chal(chal, pwd);
+}
-
++/* Mostly ended here, other than a couple replaced #ifdefs */
+
-+/* Encryption and Decryption of the challenge key */
++/* Encryption and Decryption of the challenge-key */
+#ifdef HAVE_SSL
++
void gen_chal(char *buf)
{
RAND_bytes(buf, VTUN_CHAL_SIZE);
register int i;
BF_KEY key;
-+ syslog(LOG_INFO,"Use SSL-aware challenge/response");
++ syslog(LOG_INFO, "Use SSL-aware challenge/response");
BF_set_key(&key, 16, MD5(pwd,strlen(pwd),NULL));
for(i=0; i < VTUN_CHAL_SIZE; i += 8 )
register int i;
BF_KEY key;
-+ syslog(LOG_INFO,"Use SSL-aware challenge/response");
++ syslog(LOG_INFO, "Use SSL-aware challenge/response");
BF_set_key(&key, 16, MD5(pwd,strlen(pwd),NULL));
for(i=0; i < VTUN_CHAL_SIZE; i += 8 )
-@@ -94,30 +117,43 @@
+@@ -91,30 +118,43 @@
#else /* HAVE_SSL */
#endif /* HAVE_SSL */
/*
-@@ -336,7 +372,11 @@
+@@ -353,7 +393,11 @@
if( !(h = find_host(host)) )
break;
if( !memcmp(chal_req, chal_res, VTUN_CHAL_SIZE) ){
/* Auth successeful. */
-@@ -388,7 +428,11 @@
+@@ -405,7 +449,11 @@
if( !strncmp(buf,"OK",2) && cs2cl(buf,chal)){
stage = ST_CHAL;
print_p(fd,"CHAL: %s\n", cl2cs(chal));
continue;
-diff -uNr vtun-2.5-orig/cfg_file.y vtun-2.5/cfg_file.y
---- vtun-2.5-orig/cfg_file.y Sat Feb 16 15:49:22 2002
-+++ vtun-2.5/cfg_file.y Sat Feb 16 18:47:56 2002
-@@ -73,7 +73,7 @@
- %token K_OPTIONS K_DEFAULT K_PORT K_PERSIST K_TIMEOUT
+diff -Nur vtun-3.0.2-orig/cfg_file.y vtun-3.0.2/cfg_file.y
+--- vtun-3.0.2-orig/cfg_file.y 2008-01-07 22:35:22.000000000 +0000
++++ vtun-3.0.2/cfg_file.y 2008-09-01 14:17:39.000000000 +0000
+@@ -74,7 +74,7 @@
+ %token K_OPTIONS K_DEFAULT K_PORT K_BINDADDR K_PERSIST K_TIMEOUT
%token K_PASSWD K_PROG K_PPP K_SPEED K_IFCFG K_FWALL K_ROUTE K_DEVICE
%token K_MULTI K_SRCADDR K_IFACE K_ADDR
-%token K_TYPE K_PROT K_COMPRESS K_ENCRYPT K_KALIVE K_STAT
%token K_UP K_DOWN K_SYSLOG K_IPROUTE
%token <str> K_HOST K_ERROR
-@@ -253,6 +253,13 @@
- parse_host->flags &= ~(VTUN_ZLIB | VTUN_LZO);
+@@ -284,6 +284,13 @@
}
compress
-+
+
+ | K_SSLAUTH NUM {
+ parse_host->sslauth = $2;
+
+ if(vtun.sslauth == -1)
+ vtun.sslauth = $2;
+ }
-
++
| K_ENCRYPT NUM {
- if( $2 )
-diff -uNr vtun-2.5-orig/cfg_kwords.h vtun-2.5/cfg_kwords.h
---- vtun-2.5-orig/cfg_kwords.h Sat Dec 29 18:01:01 2001
-+++ vtun-2.5/cfg_kwords.h Sat Feb 16 18:31:30 2002
-@@ -36,6 +36,7 @@
- { "srcaddr", K_SRCADDR },
+ if( $2 ){
+ parse_host->flags |= VTUN_ENCRYPT;
+diff -Nur vtun-3.0.2-orig/cfg_kwords.h vtun-3.0.2/cfg_kwords.h
+--- vtun-3.0.2-orig/cfg_kwords.h 2008-01-07 22:35:26.000000000 +0000
++++ vtun-3.0.2/cfg_kwords.h 2008-09-01 14:17:39.000000000 +0000
+@@ -37,6 +37,7 @@
{ "addr", K_ADDR },
{ "iface", K_IFACE },
+ { "bindaddr", K_BINDADDR },
+ { "sslauth", K_SSLAUTH },
{ "persist", K_PERSIST },
{ "multi", K_MULTI },
{ "iface", K_IFACE },
-diff -uNr vtun-2.5-orig/main.c vtun-2.5/main.c
---- vtun-2.5-orig/main.c Sat Dec 29 18:01:01 2001
-+++ vtun-2.5/main.c Mon Feb 18 00:31:31 2002
-@@ -61,6 +61,7 @@
+diff -Nur vtun-3.0.2-orig/main.c vtun-3.0.2/main.c
+--- vtun-3.0.2-orig/main.c 2008-01-07 22:35:53.000000000 +0000
++++ vtun-3.0.2/main.c 2008-09-01 14:17:39.000000000 +0000
+@@ -63,6 +63,7 @@
vtun.cfg_file = VTUN_CONFIG_FILE;
vtun.persist = -1;
vtun.timeout = -1;
/* Dup strings because parser will try to free them */
vtun.ppp = strdup("/usr/sbin/pppd");
-@@ -82,6 +83,11 @@
+@@ -85,6 +86,11 @@
default_host.ka_interval = 30;
default_host.ka_failure = 4;
default_host.loc_fd = default_host.rmt_fd = -1;
/* Start logging to syslog and stderr */
openlog("vtund", LOG_PID | LOG_NDELAY | LOG_PERROR, LOG_DAEMON);
-@@ -146,6 +152,16 @@
+@@ -158,6 +164,16 @@
vtun.persist = 0;
if(vtun.timeout == -1)
vtun.timeout = VTUN_TIMEOUT;
switch( vtun.svr_type ){
case -1:
-diff -uNr vtun-2.5-orig/vtun.h vtun-2.5/vtun.h
---- vtun-2.5-orig/vtun.h Sat Dec 29 18:01:01 2001
-+++ vtun-2.5/vtun.h Sat Feb 16 18:31:30 2002
-@@ -97,6 +97,9 @@
+diff -Nur vtun-3.0.2-orig/vtun.h vtun-3.0.2/vtun.h
+--- vtun-3.0.2-orig/vtun.h 2008-01-07 22:36:07.000000000 +0000
++++ vtun-3.0.2/vtun.h 2008-09-01 14:17:39.000000000 +0000
+@@ -99,6 +99,9 @@
int rmt_fd;
int loc_fd;
/* Persist mode */
int persist;
-@@ -170,6 +173,7 @@
+@@ -193,6 +196,7 @@
struct vtun_opts {
int timeout;
int persist;
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