- (bal) OpenBSD Resync

- markus@cvs.openbsd.org 2001/01/22 8:15:00
     [auth-krb4.c sshconnect1.c]
     only AFS needs radix.[ch]
   - markus@cvs.openbsd.org 2001/01/22 8:32:53
     [auth2.c]
     no need to include; from mouring@etoh.eviladmin.org
   - stevesk@cvs.openbsd.org 2001/01/22 16:55:21
     [key.c]
     free() -> xfree(); ok markus@
   - stevesk@cvs.openbsd.org 2001/01/22 17:22:28
     [sshconnect2.c sshd.c]
     fix memory leaks in SSH2 key exchange; ok markus@

ChangeLog

@@ -2,6 +2,20 @@
  - (bal) regexp.h typo in configure.in.  Should have been regex.h
  - (bal) SSH_USER_DIR to _PATH_SSH_USER_DIR patch by stevesk@
  - (bal) SSH_ASKPASS_DEFAULT to _PATH_SSH_ASKPASS_DEFAULT 
+ - (bal) OpenBSD Resync
+   - markus@cvs.openbsd.org 2001/01/22 8:15:00
+     [auth-krb4.c sshconnect1.c]
+     only AFS needs radix.[ch]
+   - markus@cvs.openbsd.org 2001/01/22 8:32:53
+     [auth2.c]
+     no need to include; from mouring@etoh.eviladmin.org
+   - stevesk@cvs.openbsd.org 2001/01/22 16:55:21
+     [key.c]
+     free() -> xfree(); ok markus@
+   - stevesk@cvs.openbsd.org 2001/01/22 17:22:28
+     [sshconnect2.c sshd.c]
+     fix memory leaks in SSH2 key exchange; ok markus@
+
 
 20010122
  - (bal) OpenBSD Resync

auth-krb4.c

@@ -23,9 +23,8 @@
  */
 
 #include "includes.h"
-RCSID("$OpenBSD: auth-krb4.c,v 1.22 2001/01/21 19:05:41 markus Exp $");
+RCSID("$OpenBSD: auth-krb4.c,v 1.23 2001/01/22 08:15:00 markus Exp $");
 
-#ifdef KRB4
 #include "ssh.h"
 #include "ssh1.h"
 #include "packet.h"
@@ -33,8 +32,12 @@ RCSID("$OpenBSD: auth-krb4.c,v 1.22 2001/01/21 19:05:41 markus Exp $");
 #include "log.h"
 #include "servconf.h"
 #include "auth.h"
-#include "radix.h"
 
+#ifdef AFS
+#include "radix.h"
+#endif
+
+#ifdef KRB4
 char *ticket = NULL;
 
 extern ServerOptions options;

auth2.c

@@ -23,7 +23,7 @@
  */
 
 #include "includes.h"
-RCSID("$OpenBSD: auth2.c,v 1.32 2001/01/21 19:05:44 markus Exp $");
+RCSID("$OpenBSD: auth2.c,v 1.33 2001/01/22 08:32:53 markus Exp $");
 
 #ifdef HAVE_OSF_SIA
 # include <sia.h>
@@ -51,7 +51,6 @@ RCSID("$OpenBSD: auth2.c,v 1.32 2001/01/21 19:05:44 markus Exp $");
 #include "key.h"
 #include "kex.h"
 #include "pathnames.h"
-
 #include "uidswap.h"
 #include "auth-options.h"
 

key.c

@@ -32,7 +32,7 @@
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 #include "includes.h"
-RCSID("$OpenBSD: key.c,v 1.15 2001/01/21 19:05:50 markus Exp $");
+RCSID("$OpenBSD: key.c,v 1.16 2001/01/22 16:55:21 stevesk Exp $");
 
 #include <openssl/evp.h>
 
@@ -258,7 +258,7 @@ write_bignum(FILE *f, BIGNUM *num)
 		return 0;
 	}
 	fprintf(f, " %s", buf);
-	free(buf);
+	xfree(buf);
 	return 1;
 }
 

sshconnect1.c

@@ -13,17 +13,17 @@
  */
 
 #include "includes.h"
-RCSID("$OpenBSD: sshconnect1.c,v 1.18 2001/01/21 19:06:00 markus Exp $");
+RCSID("$OpenBSD: sshconnect1.c,v 1.19 2001/01/22 08:15:00 markus Exp $");
 
 #include <openssl/bn.h>
 #include <openssl/evp.h>
 
 #ifdef KRB4
 #include <krb.h>
-#include "radix.h"
 #endif
 #ifdef AFS
 #include <kafs.h>
+#include "radix.h"
 #endif
 
 #include "ssh.h"

sshconnect2.c

@@ -23,7 +23,7 @@
  */
 
 #include "includes.h"
-RCSID("$OpenBSD: sshconnect2.c,v 1.37 2001/01/21 19:06:00 markus Exp $");
+RCSID("$OpenBSD: sshconnect2.c,v 1.38 2001/01/22 17:22:28 stevesk Exp $");
 
 #include <openssl/bn.h>
 #include <openssl/md5.h>
@@ -248,6 +248,7 @@ ssh_dh1_client(Kex *kex, char *host, struct sockaddr *hostaddr,
 	);
 	xfree(server_host_key_blob);
 	DH_free(dh);
+	BN_free(dh_server_pub);
 #ifdef DEBUG_KEXDH
 	fprintf(stderr, "hash == ");
 	for (i = 0; i< 20; i++)
@@ -257,8 +258,10 @@ ssh_dh1_client(Kex *kex, char *host, struct sockaddr *hostaddr,
 	if (key_verify(server_host_key, (u_char *)signature, slen, hash, 20) != 1)
 		fatal("key_verify failed for server_host_key");
 	key_free(server_host_key);
+	xfree(signature);
 
 	kex_derive_keys(kex, hash, shared_secret);
+	BN_clear_free(shared_secret);
 	packet_set_kex(kex);
 
 	/* save session id */
@@ -420,6 +423,7 @@ ssh_dhgex_client(Kex *kex, char *host, struct sockaddr *hostaddr,
 	);
 	xfree(server_host_key_blob);
 	DH_free(dh);
+	BN_free(dh_server_pub);
 #ifdef DEBUG_KEXDH
 	fprintf(stderr, "hash == ");
 	for (i = 0; i< 20; i++)
@@ -429,8 +433,10 @@ ssh_dhgex_client(Kex *kex, char *host, struct sockaddr *hostaddr,
 	if (key_verify(server_host_key, (u_char *)signature, slen, hash, 20) != 1)
 		fatal("key_verify failed for server_host_key");
 	key_free(server_host_key);
+	xfree(signature);
 
 	kex_derive_keys(kex, hash, shared_secret);
+	BN_clear_free(shared_secret);
 	packet_set_kex(kex);
 
 	/* save session id */

sshd.c

@@ -40,7 +40,7 @@
  */
 
 #include "includes.h"
-RCSID("$OpenBSD: sshd.c,v 1.155 2001/01/21 19:06:00 markus Exp $");
+RCSID("$OpenBSD: sshd.c,v 1.156 2001/01/22 17:22:28 stevesk Exp $");
 
 #include <openssl/dh.h>
 #include <openssl/bn.h>
@@ -1531,6 +1531,7 @@ ssh_dh1_server(Kex *kex, Buffer *client_kexinit, Buffer *server_kexinit)
 	buffer_free(server_kexinit);
 	xfree(client_kexinit);
 	xfree(server_kexinit);
+	BN_free(dh_client_pub);
 #ifdef DEBUG_KEXDH
 	fprintf(stderr, "hash == ");
 	for (i = 0; i< 20; i++)
@@ -1560,6 +1561,7 @@ ssh_dh1_server(Kex *kex, Buffer *client_kexinit, Buffer *server_kexinit)
 	packet_write_wait();
 
 	kex_derive_keys(kex, hash, shared_secret);
+	BN_clear_free(shared_secret);
 	packet_set_kex(kex);
 
 	/* have keys, free DH */
@@ -1673,6 +1675,7 @@ ssh_dhgex_server(Kex *kex, Buffer *client_kexinit, Buffer *server_kexinit)
 	buffer_free(server_kexinit);
 	xfree(client_kexinit);
 	xfree(server_kexinit);
+	BN_free(dh_client_pub);
 #ifdef DEBUG_KEXDH
 	fprintf(stderr, "hash == ");
 	for (i = 0; i< 20; i++)
@@ -1702,6 +1705,7 @@ ssh_dhgex_server(Kex *kex, Buffer *client_kexinit, Buffer *server_kexinit)
 	packet_write_wait();
 
 	kex_derive_keys(kex, hash, shared_secret);
+	BN_clear_free(shared_secret);
 	packet_set_kex(kex);
 
 	/* have keys, free DH */