X-Git-Url: https://git.distorted.org.uk/~mdw/sgt/putty/blobdiff_plain/f668fdf37d5b25f354c8541c1c6dda7c74cb6444..f8c9f9df8c6d537b3db60823b5920d78705b929b:/mac/mac.c

diff --git a/mac/mac.c b/mac/mac.c
index a2e89f91..f663deea 100644
--- a/mac/mac.c
+++ b/mac/mac.c
@@ -694,8 +694,15 @@ int agent_query(void *in, int inlen, void **out, int *outlen,
 void verify_ssh_host_key(void *frontend, char *host, int port, char *keytype,
 			 char *keystr, char *fingerprint)
 {
-    Str255 stuff;
+    Str255 pappname;
+    Str255 pfingerprint;
+    Str255 pkeytype;
     Session *s = frontend;
+    int ret, alertret;
+    
+    c2pstrcpy(pappname, appname);
+    c2pstrcpy(pkeytype, keytype);
+    c2pstrcpy(pfingerprint, fingerprint);
 
     /*
      * This function is horribly wrong.  For one thing, the alert
@@ -703,24 +710,54 @@ void verify_ssh_host_key(void *frontend, char *host, int port, char *keytype,
      * Aqua.  Also, PuTTY might be in the background, in which case we
      * should use the Notification Manager to wake up the user.  In
      * any case, we shouldn't hold up processing of other connections'
-     * data just because this one's waiting for the user.  It should
-     * also handle a host key cache, of course, and see the note below
-     * about closing the connection.  All in all, a bit of a mess
-     * really.
+     * data just because this one's waiting for the user. Also see the
+     * note below about closing the connection.  All in all, a bit of
+     * a mess really.
      */
 
-    stuff[0] = sprintf((char *)(&stuff[1]),
-		       "The server's key fingerprint is: %s\n"
-		       "Continue connecting?", fingerprint);
-    ParamText(stuff, NULL, NULL, NULL);
-    if (CautionAlert(wQuestion, NULL) == 2) {
-	/*
-	 * User chose "Cancel".  Unfortunately, if I tear the
-	 * connection down here, Bad Things happen when I return.  I
-	 * think this function should actually return something
-	 * telling the SSH code to abandon the connection.
-	 */
+    /* Verify the key against the cache */
+
+    ret = verify_host_key(host, port, keytype, keystr);
+
+    if (ret == 0)		       /* success - key matched OK */
+	return;
+    if (ret == 2) {		       /* key was different */
+	ParamText(pappname, pkeytype, pfingerprint, NULL);
+	alertret=CautionAlert(wWrong, NULL);
+	if (alertret == 8) {
+	    /* Cancel */
+	    goto cancel;
+	} else if (alertret == 9) {
+	    /* Connect Just Once */
+	} else {
+	    /* Update Key */
+	    store_host_key(host, port, keytype, keystr);
+	}
+    }
+    if (ret == 1) {                     /* key was absent */
+	ParamText(pkeytype, pfingerprint, pappname, NULL);
+	alertret=CautionAlert(wAbsent, NULL);
+	if (alertret == 7) {
+	    /* Cancel */
+	    goto cancel;
+	} else if (alertret == 8) {
+	    /* Connect Just Once */
+	} else {
+	    /* Update Key */
+	    store_host_key(host, port, keytype, keystr);
+	}
     }
+
+    return;
+
+  cancel:
+    /*
+     * User chose "Cancel".  Unfortunately, if I tear the
+     * connection down here, Bad Things happen when I return.  I
+     * think this function should actually return something
+     * telling the SSH code to abandon the connection.
+     */	
+    return;
 }
 
 void askalg(void *frontend, const char *algtype, const char *algname)