]> andersk Git - gssapi-openssh.git/blobdiff - openssh/monitor_wrap.c
merged OpenSSH 5.2p1 to trunk
[gssapi-openssh.git] / openssh / monitor_wrap.c
index c16f789a73348465c722ac8bba4f556f829f2fc9..368738f63be05cc9cdd85ee12a97430fac01acd2 100644 (file)
@@ -1,4 +1,4 @@
-/* $OpenBSD: monitor_wrap.c,v 1.60 2007/10/29 04:08:08 dtucker Exp $ */
+/* $OpenBSD: monitor_wrap.c,v 1.64 2008/11/04 08:22:13 djm Exp $ */
 /*
  * Copyright 2002 Niels Provos <provos@citi.umich.edu>
  * Copyright 2002 Markus Friedl <markus@openbsd.org>
@@ -40,7 +40,9 @@
 
 #include <openssl/bn.h>
 #include <openssl/dh.h>
+#include <openssl/evp.h>
 
+#include "openbsd-compat/sys-queue.h"
 #include "xmalloc.h"
 #include "ssh.h"
 #include "dh.h"
@@ -69,7 +71,7 @@
 #include "atomicio.h"
 #include "monitor_fdpass.h"
 #include "misc.h"
-#include "servconf.h"
+#include "jpake.h"
 
 #include "channels.h"
 #include "session.h"
@@ -572,7 +574,7 @@ mm_send_keystate(struct monitor *monitor)
        u_char *blob, *p;
        u_int bloblen, plen;
        u_int32_t seqnr, packets;
-       u_int64_t blocks;
+       u_int64_t blocks, bytes;
 
        buffer_init(&m);
 
@@ -621,14 +623,16 @@ mm_send_keystate(struct monitor *monitor)
        buffer_put_string(&m, blob, bloblen);
        xfree(blob);
 
-       packet_get_state(MODE_OUT, &seqnr, &blocks, &packets);
+       packet_get_state(MODE_OUT, &seqnr, &blocks, &packets, &bytes);
        buffer_put_int(&m, seqnr);
        buffer_put_int64(&m, blocks);
        buffer_put_int(&m, packets);
-       packet_get_state(MODE_IN, &seqnr, &blocks, &packets);
+       buffer_put_int64(&m, bytes);
+       packet_get_state(MODE_IN, &seqnr, &blocks, &packets, &bytes);
        buffer_put_int(&m, seqnr);
        buffer_put_int64(&m, blocks);
        buffer_put_int(&m, packets);
+       buffer_put_int64(&m, bytes);
 
        debug3("%s: New keys have been sent", __func__);
  skip:
@@ -665,7 +669,20 @@ mm_pty_allocate(int *ptyfd, int *ttyfd, char *namebuf, size_t namebuflen)
 {
        Buffer m;
        char *p, *msg;
-       int success = 0;
+       int success = 0, tmp1 = -1, tmp2 = -1;
+
+       /* Kludge: ensure there are fds free to receive the pty/tty */
+       if ((tmp1 = dup(pmonitor->m_recvfd)) == -1 ||
+           (tmp2 = dup(pmonitor->m_recvfd)) == -1) {
+               error("%s: cannot allocate fds for pty", __func__);
+               if (tmp1 > 0)
+                       close(tmp1);
+               if (tmp2 > 0)
+                       close(tmp2);
+               return 0;
+       }
+       close(tmp1);
+       close(tmp2);
 
        buffer_init(&m);
        mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_PTY, &m);
@@ -710,8 +727,9 @@ mm_session_pty_cleanup2(Session *s)
        buffer_free(&m);
 
        /* closed dup'ed master */
-       if (close(s->ptymaster) < 0)
-               error("close(s->ptymaster): %s", strerror(errno));
+       if (s->ptymaster != -1 && close(s->ptymaster) < 0)
+               error("close(s->ptymaster/%d): %s",
+                   s->ptymaster, strerror(errno));
 
        /* unlink pty from session */
        s->ttyfd = -1;
@@ -1339,3 +1357,165 @@ mm_ssh_gssapi_localname(char **lname)
 }      
 
 #endif /* GSSAPI */
+
+#ifdef JPAKE
+void
+mm_auth2_jpake_get_pwdata(Authctxt *authctxt, BIGNUM **s,
+    char **hash_scheme, char **salt)
+{
+       Buffer m;
+
+       debug3("%s entering", __func__);
+
+       buffer_init(&m);
+       mm_request_send(pmonitor->m_recvfd,
+           MONITOR_REQ_JPAKE_GET_PWDATA, &m);
+
+       debug3("%s: waiting for MONITOR_ANS_JPAKE_GET_PWDATA", __func__);
+       mm_request_receive_expect(pmonitor->m_recvfd,
+           MONITOR_ANS_JPAKE_GET_PWDATA, &m);
+
+       *hash_scheme = buffer_get_string(&m, NULL);
+       *salt = buffer_get_string(&m, NULL);
+
+       buffer_free(&m);
+}
+
+void
+mm_jpake_step1(struct jpake_group *grp,
+    u_char **id, u_int *id_len,
+    BIGNUM **priv1, BIGNUM **priv2, BIGNUM **g_priv1, BIGNUM **g_priv2,
+    u_char **priv1_proof, u_int *priv1_proof_len,
+    u_char **priv2_proof, u_int *priv2_proof_len)
+{
+       Buffer m;
+
+       debug3("%s entering", __func__);
+
+       buffer_init(&m);
+       mm_request_send(pmonitor->m_recvfd,
+           MONITOR_REQ_JPAKE_STEP1, &m);
+
+       debug3("%s: waiting for MONITOR_ANS_JPAKE_STEP1", __func__);
+       mm_request_receive_expect(pmonitor->m_recvfd,
+           MONITOR_ANS_JPAKE_STEP1, &m);
+
+       if ((*priv1 = BN_new()) == NULL ||
+           (*priv2 = BN_new()) == NULL ||
+           (*g_priv1 = BN_new()) == NULL ||
+           (*g_priv2 = BN_new()) == NULL)
+               fatal("%s: BN_new", __func__);
+
+       *id = buffer_get_string(&m, id_len);
+       /* priv1 and priv2 are, well, private */
+       buffer_get_bignum2(&m, *g_priv1);
+       buffer_get_bignum2(&m, *g_priv2);
+       *priv1_proof = buffer_get_string(&m, priv1_proof_len);
+       *priv2_proof = buffer_get_string(&m, priv2_proof_len);
+
+       buffer_free(&m);
+}
+
+void
+mm_jpake_step2(struct jpake_group *grp, BIGNUM *s,
+    BIGNUM *mypub1, BIGNUM *theirpub1, BIGNUM *theirpub2, BIGNUM *mypriv2,
+    const u_char *theirid, u_int theirid_len,
+    const u_char *myid, u_int myid_len,
+    const u_char *theirpub1_proof, u_int theirpub1_proof_len,
+    const u_char *theirpub2_proof, u_int theirpub2_proof_len,
+    BIGNUM **newpub,
+    u_char **newpub_exponent_proof, u_int *newpub_exponent_proof_len)
+{
+       Buffer m;
+
+       debug3("%s entering", __func__);
+
+       buffer_init(&m);
+       /* monitor already has all bignums except theirpub1, theirpub2 */
+       buffer_put_bignum2(&m, theirpub1);
+       buffer_put_bignum2(&m, theirpub2);
+       /* monitor already knows our id */
+       buffer_put_string(&m, theirid, theirid_len);
+       buffer_put_string(&m, theirpub1_proof, theirpub1_proof_len);
+       buffer_put_string(&m, theirpub2_proof, theirpub2_proof_len);
+
+       mm_request_send(pmonitor->m_recvfd,
+           MONITOR_REQ_JPAKE_STEP2, &m);
+
+       debug3("%s: waiting for MONITOR_ANS_JPAKE_STEP2", __func__);
+       mm_request_receive_expect(pmonitor->m_recvfd,
+           MONITOR_ANS_JPAKE_STEP2, &m);
+
+       if ((*newpub = BN_new()) == NULL)
+               fatal("%s: BN_new", __func__);
+
+       buffer_get_bignum2(&m, *newpub);
+       *newpub_exponent_proof = buffer_get_string(&m,
+           newpub_exponent_proof_len);
+
+       buffer_free(&m);
+}
+
+void
+mm_jpake_key_confirm(struct jpake_group *grp, BIGNUM *s, BIGNUM *step2_val,
+    BIGNUM *mypriv2, BIGNUM *mypub1, BIGNUM *mypub2,
+    BIGNUM *theirpub1, BIGNUM *theirpub2,
+    const u_char *my_id, u_int my_id_len,
+    const u_char *their_id, u_int their_id_len,
+    const u_char *sess_id, u_int sess_id_len,
+    const u_char *theirpriv2_s_proof, u_int theirpriv2_s_proof_len,
+    BIGNUM **k,
+    u_char **confirm_hash, u_int *confirm_hash_len)
+{
+       Buffer m;
+
+       debug3("%s entering", __func__);
+
+       buffer_init(&m);
+       /* monitor already has all bignums except step2_val */
+       buffer_put_bignum2(&m, step2_val);
+       /* monitor already knows all the ids */
+       buffer_put_string(&m, theirpriv2_s_proof, theirpriv2_s_proof_len);
+
+       mm_request_send(pmonitor->m_recvfd,
+           MONITOR_REQ_JPAKE_KEY_CONFIRM, &m);
+
+       debug3("%s: waiting for MONITOR_ANS_JPAKE_KEY_CONFIRM", __func__);
+       mm_request_receive_expect(pmonitor->m_recvfd,
+           MONITOR_ANS_JPAKE_KEY_CONFIRM, &m);
+
+       /* 'k' is sensitive and stays in the monitor */
+       *confirm_hash = buffer_get_string(&m, confirm_hash_len);
+
+       buffer_free(&m);
+}
+
+int
+mm_jpake_check_confirm(const BIGNUM *k,
+    const u_char *peer_id, u_int peer_id_len,
+    const u_char *sess_id, u_int sess_id_len,
+    const u_char *peer_confirm_hash, u_int peer_confirm_hash_len)
+{
+       Buffer m;
+       int success = 0;
+
+       debug3("%s entering", __func__);
+
+       buffer_init(&m);
+       /* k is dummy in slave, ignored */
+       /* monitor knows all the ids */
+       buffer_put_string(&m, peer_confirm_hash, peer_confirm_hash_len);
+       mm_request_send(pmonitor->m_recvfd,
+           MONITOR_REQ_JPAKE_CHECK_CONFIRM, &m);
+
+       debug3("%s: waiting for MONITOR_ANS_JPAKE_CHECK_CONFIRM", __func__);
+       mm_request_receive_expect(pmonitor->m_recvfd,
+           MONITOR_ANS_JPAKE_CHECK_CONFIRM, &m);
+
+       success = buffer_get_int(&m);
+       buffer_free(&m);
+
+       debug3("%s: success = %d", __func__, success);
+       return success;
+}
+#endif /* JPAKE */
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