1 files changed, 31 insertions, 25 deletions

diff --git a/monitor_wrap.c b/monitor_wrap.c
index 69212aaf3..9666bda4b 100644
--- a/monitor_wrap.c
+++ b/monitor_wrap.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: monitor_wrap.c,v 1.94 2017/10/02 19:33:20 djm Exp $ */
+/* $OpenBSD: monitor_wrap.c,v 1.99 2018/03/03 03:15:51 djm Exp $ */
 /*
  * Copyright 2002 Niels Provos <provos@citi.umich.edu>
  * Copyright 2002 Markus Friedl <markus@openbsd.org>
@@ -76,7 +76,6 @@
 #include "atomicio.h"
 #include "monitor_fdpass.h"
 #include "misc.h"
-#include "uuencode.h"
 
 #include "channels.h"
 #include "session.h"
@@ -287,19 +286,15 @@ out:
                         newopts->x = buffer_get_string(&m, NULL); \
         } while (0)
 #define M_CP_STRARRAYOPT(x, nx) do { \
-                for (i = 0; i < newopts->nx; i++) \
-                        newopts->x[i] = buffer_get_string(&m, NULL); \
-        } while (0)
-#define M_CP_STRARRAYOPT_ALLOC(x, nx) do { \
                 newopts->x = newopts->nx == 0 ? \
                     NULL : xcalloc(newopts->nx, sizeof(*newopts->x)); \
-                M_CP_STRARRAYOPT(x, nx); \
+                for (i = 0; i < newopts->nx; i++) \
+                        newopts->x[i] = buffer_get_string(&m, NULL); \
         } while (0)
         /* See comment in servconf.h */
         COPY_MATCH_STRING_OPTS();
 #undef M_CP_STROPT
 #undef M_CP_STRARRAYOPT
-#undef M_CP_STRARRAYOPT_ALLOC
 
         copy_set_server_options(&options, newopts, 1);
         log_change_level(options.log_level);
@@ -356,7 +351,7 @@ mm_inform_authserv(char *service, char *style)
 
 /* Do the password authentication */
 int
-mm_auth_password(Authctxt *authctxt, char *password)
+mm_auth_password(struct ssh *ssh, char *password)
 {
         Buffer m;
         int authenticated = 0;
@@ -383,34 +378,38 @@ mm_auth_password(Authctxt *authctxt, char *password)
 }
 
 int
-mm_user_key_allowed(struct passwd *pw, struct sshkey *key,
-    int pubkey_auth_attempt)
+mm_user_key_allowed(struct ssh *ssh, struct passwd *pw, struct sshkey *key,
+    int pubkey_auth_attempt, struct sshauthopt **authoptp)
 {
         return (mm_key_allowed(MM_USERKEY, NULL, NULL, key,
-            pubkey_auth_attempt));
+            pubkey_auth_attempt, authoptp));
 }
 
 int
 mm_hostbased_key_allowed(struct passwd *pw, const char *user, const char *host,
     struct sshkey *key)
 {
-        return (mm_key_allowed(MM_HOSTKEY, user, host, key, 0));
+        return (mm_key_allowed(MM_HOSTKEY, user, host, key, 0, NULL));
 }
 
 int
 mm_key_allowed(enum mm_keytype type, const char *user, const char *host,
-    struct sshkey *key, int pubkey_auth_attempt)
+    struct sshkey *key, int pubkey_auth_attempt, struct sshauthopt **authoptp)
 {
         Buffer m;
         u_char *blob;
         u_int len;
-        int allowed = 0, have_forced = 0;
+        int r, allowed = 0;
+        struct sshauthopt *opts = NULL;
 
         debug3("%s entering", __func__);
 
+        if (authoptp != NULL)
+                *authoptp = NULL;
+
         /* Convert the key to a blob and the pass it over */
         if (!key_to_blob(key, &blob, &len))
-                return (0);
+                return 0;
 
         buffer_init(&m);
         buffer_put_int(&m, type);
@@ -423,18 +422,24 @@ mm_key_allowed(enum mm_keytype type, const char *user, const char *host,
         mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_KEYALLOWED, &m);
 
         debug3("%s: waiting for MONITOR_ANS_KEYALLOWED", __func__);
-        mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_KEYALLOWED, &m);
+        mm_request_receive_expect(pmonitor->m_recvfd,
+            MONITOR_ANS_KEYALLOWED, &m);
 
         allowed = buffer_get_int(&m);
-
-        /* fake forced command */
-        auth_clear_options();
-        have_forced = buffer_get_int(&m);
-        forced_command = have_forced ? xstrdup("true") : NULL;
-
+        if (allowed && type == MM_USERKEY) {
+                if ((r = sshauthopt_deserialise(&m, &opts)) != 0)
+                        fatal("%s: sshauthopt_deserialise: %s",
+                            __func__, ssh_err(r));
+        }
         buffer_free(&m);
 
-        return (allowed);
+        if (authoptp != NULL) {
+                *authoptp = opts;
+                opts = NULL;
+        }
+        sshauthopt_free(opts);
+
+        return allowed;
 }
 
 /*
@@ -445,7 +450,7 @@ mm_key_allowed(enum mm_keytype type, const char *user, const char *host,
 
 int
 mm_sshkey_verify(const struct sshkey *key, const u_char *sig, size_t siglen,
-    const u_char *data, size_t datalen, u_int compat)
+    const u_char *data, size_t datalen, const char *sigalg, u_int compat)
 {
         Buffer m;
         u_char *blob;
@@ -462,6 +467,7 @@ mm_sshkey_verify(const struct sshkey *key, const u_char *sig, size_t siglen,
         buffer_put_string(&m, blob, len);
         buffer_put_string(&m, sig, siglen);
         buffer_put_string(&m, data, datalen);
+        buffer_put_cstring(&m, sigalg == NULL ? "" : sigalg);
         free(blob);
 
         mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_KEYVERIFY, &m);