=================================================================== RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/ssh/kexgexs.c,v retrieving revision 1.2 retrieving revision 1.2.2.2 diff -u -r1.2 -r1.2.2.2 --- src/usr.bin/ssh/kexgexs.c 2005/11/04 05:15:59 1.2 +++ src/usr.bin/ssh/kexgexs.c 2006/11/08 00:17:14 1.2.2.2 @@ -1,3 +1,4 @@ +/* $OpenBSD: kexgexs.c,v 1.2.2.2 2006/11/08 00:17:14 brad Exp $ */ /* * Copyright (c) 2000 Niels Provos. All rights reserved. * Copyright (c) 2001 Markus Friedl. All rights reserved. @@ -23,17 +24,25 @@ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ -#include "includes.h" -RCSID("$OpenBSD: kexgexs.c,v 1.2 2005/11/04 05:15:59 djm Exp $"); +#include +#include +#include +#include + #include "xmalloc.h" +#include "buffer.h" #include "key.h" +#include "cipher.h" #include "kex.h" #include "log.h" #include "packet.h" #include "dh.h" #include "ssh2.h" #include "compat.h" +#ifdef GSSAPI +#include "ssh-gss.h" +#endif #include "monitor_wrap.h" void @@ -43,8 +52,8 @@ Key *server_host_key; DH *dh; u_char *kbuf, *hash, *signature = NULL, *server_host_key_blob = NULL; - u_int sbloblen, klen, kout, slen, hashlen; - int min = -1, max = -1, nbits = -1, type; + u_int sbloblen, klen, slen, hashlen; + int min = -1, max = -1, nbits = -1, type, kout; if (kex->load_host_key == NULL) fatal("Cannot load hostkey"); @@ -122,13 +131,15 @@ klen = DH_size(dh); kbuf = xmalloc(klen); - kout = DH_compute_key(kbuf, dh_client_pub, dh); + if ((kout = DH_compute_key(kbuf, dh_client_pub, dh)) < 0) + fatal("DH_compute_key: failed"); #ifdef DEBUG_KEXDH dump_digest("shared secret", kbuf, kout); #endif if ((shared_secret = BN_new()) == NULL) fatal("kexgex_server: BN_new failed"); - BN_bin2bn(kbuf, kout, shared_secret); + if (BN_bin2bn(kbuf, kout, shared_secret) == NULL) + fatal("kexgex_server: BN_bin2bn failed"); memset(kbuf, 0, klen); xfree(kbuf);