upstream commit

print host certificate contents at debug level

Upstream-ID: 39354cdd8a2b32b308fd03f98645f877f540f00d

1 files changed, 28 insertions, 4 deletions

diff --git a/sshconnect.c b/sshconnect.c
index 19d393f7b..1507934d8 100644
--- a/sshconnect.c
+++ b/sshconnect.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: sshconnect.c,v 1.266 2015/11/15 22:26:49 jcs Exp $ */
+/* $OpenBSD: sshconnect.c,v 1.267 2015/11/19 01:09:38 djm Exp $ */
 /*
  * Author: Tatu Ylonen <ylo@cs.hut.fi>
  * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -1237,8 +1237,9 @@ fail:
 int
 verify_host_key(char *host, struct sockaddr *hostaddr, Key *host_key)
 {
+        u_int i;
         int r = -1, flags = 0;
-        char *fp = NULL;
+        char valid[64], *fp = NULL, *cafp = NULL;
         struct sshkey *plain = NULL;
 
         if ((fp = sshkey_fingerprint(host_key,
@@ -1248,8 +1249,30 @@ verify_host_key(char *host, struct sockaddr *hostaddr, Key *host_key)
                 goto out;
         }
 
-        debug("Server host key: %s %s",
-            compat20 ? sshkey_ssh_name(host_key) : sshkey_type(host_key), fp);
+        if (sshkey_is_cert(host_key)) {
+                if ((cafp = sshkey_fingerprint(host_key->cert->signature_key,
+                    options.fingerprint_hash, SSH_FP_DEFAULT)) == NULL) {
+                        error("%s: fingerprint CA key: %s",
+                            __func__, ssh_err(r));
+                        r = -1;
+                        goto out;
+                }
+                sshkey_format_cert_validity(host_key->cert,
+                    valid, sizeof(valid));
+                debug("Server host certificate: %s %s, serial %llu "
+                    "ID \"%s\" CA %s %s valid %s",
+                    sshkey_ssh_name(host_key), fp,
+                    host_key->cert->serial, host_key->cert->key_id,
+                    sshkey_ssh_name(host_key->cert->signature_key), cafp,
+                    valid);
+                for (i = 0; i < host_key->cert->nprincipals; i++) {
+                        debug2("Server host certificate hostname: %s",
+                            host_key->cert->principals[i]);
+                }
+        } else {
+                debug("Server host key: %s %s", compat20 ?
+                    sshkey_ssh_name(host_key) : sshkey_type(host_key), fp);
+        }
 
         if (sshkey_equal(previous_host_key, host_key)) {
                 debug2("%s: server host key %s %s matches cached key",
@@ -1314,6 +1337,7 @@ verify_host_key(char *host, struct sockaddr *hostaddr, Key *host_key)
 out:
         sshkey_free(plain);
         free(fp);
+        free(cafp);
         if (r == 0 && host_key != NULL) {
                 key_free(previous_host_key);
                 previous_host_key = key_from_private(host_key);