Import of OpenSSH 3.6.1p1

[gssapi-openssh.git] / openssh / monitor.c

diff --git a/openssh/monitor.c b/openssh/monitor.c
index 4ad3f3d21534d4bb02c59df252290e20e1eb47fb..bcd007e607bf9eb23ab53fe68221390d24a14f50 100644 (file)
--- a/openssh/monitor.c
+++ b/openssh/monitor.c
@@ -25,7 +25,7 @@
  */
 
 #include "includes.h"
-RCSID("$OpenBSD: monitor.c,v 1.29 2002/09/26 11:38:43 markus Exp $");
+RCSID("$OpenBSD: monitor.c,v 1.36 2003/04/01 10:22:21 markus Exp $");
 
 #include <openssl/dh.h>
 
@@ -634,20 +634,20 @@ mm_answer_bsdauthquery(int socket, Buffer *m)
        u_int numprompts;
        u_int *echo_on;
        char **prompts;
-       int res;
+       u_int success;
 
-       res = bsdauth_query(authctxt, &name, &infotxt, &numprompts,
-           &prompts, &echo_on);
+       success = bsdauth_query(authctxt, &name, &infotxt, &numprompts,
+           &prompts, &echo_on) < 0 ? 0 : 1;
 
        buffer_clear(m);
-       buffer_put_int(m, res);
-       if (res != -1)
+       buffer_put_int(m, success);
+       if (success)
                buffer_put_cstring(m, prompts[0]);
 
-       debug3("%s: sending challenge res: %d", __func__, res);
+       debug3("%s: sending challenge success: %u", __func__, success);
        mm_request_send(socket, MONITOR_ANS_BSDAUTHQUERY, m);
 
-       if (res != -1) {
+       if (success) {
                xfree(name);
                xfree(infotxt);
                xfree(prompts);
@@ -691,16 +691,16 @@ mm_answer_skeyquery(int socket, Buffer *m)
 {
        struct skey skey;
        char challenge[1024];
-       int res;
+       u_int success;
 
-       res = skeychallenge(&skey, authctxt->user, challenge);
+       success = skeychallenge(&skey, authctxt->user, challenge) < 0 ? 0 : 1;
 
        buffer_clear(m);
-       buffer_put_int(m, res);
-       if (res != -1)
+       buffer_put_int(m, success);
+       if (success)
                buffer_put_cstring(m, challenge);
 
-       debug3("%s: sending challenge res: %d", __func__, res);
+       debug3("%s: sending challenge success: %u", __func__, success);
        mm_request_send(socket, MONITOR_ANS_SKEYQUERY, m);
 
        return (0);
@@ -806,8 +806,9 @@ mm_answer_keyallowed(int socket, Buffer *m)
                        fatal("%s: unknown key type %d", __func__, type);
                        break;
                }
-               key_free(key);
        }
+       if (key != NULL)
+               key_free(key);
 
        /* clear temporarily storage (used by verify) */
        monitor_reset_key_state();
@@ -826,6 +827,7 @@ mm_answer_keyallowed(int socket, Buffer *m)
 
        buffer_clear(m);
        buffer_put_int(m, allowed);
+       buffer_put_int(m, forced_command != NULL);
 
        mm_append_debug(m);
 
@@ -1188,6 +1190,7 @@ mm_answer_rsa_keyallowed(int socket, Buffer *m)
        }
        buffer_clear(m);
        buffer_put_int(m, allowed);
+       buffer_put_int(m, forced_command != NULL);
 
        /* clear temporarily storage (used by generate challenge) */
        monitor_reset_key_state();
@@ -1202,8 +1205,9 @@ mm_answer_rsa_keyallowed(int socket, Buffer *m)
                key_blob = blob;
                key_bloblen = blen;
                key_blobtype = MM_RSAUSERKEY;
-               key_free(key);
        }
+       if (key != NULL)
+               key_free(key);
 
        mm_append_debug(m);
 
@@ -1244,6 +1248,9 @@ mm_answer_rsa_challenge(int socket, Buffer *m)
        mm_request_send(socket, MONITOR_ANS_RSACHALLENGE, m);
 
        monitor_permit(mon_dispatch, MONITOR_REQ_RSARESPONSE, 1);
+
+       xfree(blob);
+       key_free(key);
        return (0);
 }
 
@@ -1274,6 +1281,7 @@ mm_answer_rsa_response(int socket, Buffer *m)
                fatal("%s: received bad response to challenge", __func__);
        success = auth_rsa_verify_response(key, ssh1_challenge, response);
 
+       xfree(blob);
        key_free(key);
        xfree(response);
 
@@ -1458,6 +1466,8 @@ mm_get_kex(Buffer *m)
            (memcmp(kex->session_id, session_id2, session_id2_len) != 0))
                fatal("mm_get_get: internal error: bad session id");
        kex->we_need = buffer_get_int(m);
+       kex->kex[KEX_DH_GRP1_SHA1] = kexdh_server;
+       kex->kex[KEX_DH_GEX_SHA1] = kexgex_server;
        kex->server = 1;
        kex->hostkey_type = buffer_get_int(m);
        kex->kex_type = buffer_get_int(m);
@@ -1551,7 +1561,7 @@ mm_get_keystate(struct monitor *pmonitor)
 void *
 mm_zalloc(struct mm_master *mm, u_int ncount, u_int size)
 {
-       size_t len = size * ncount;
+       size_t len = (size_t) size * ncount;
        void *address;
 
        if (len == 0 || ncount > SIZE_T_MAX / size)