From 18515c513c3a2ee62fccc81fd08f4a65ec208eb9 Mon Sep 17 00:00:00 2001
From: simon <simon@cda61777-01e9-0310-a592-d414129be87e>
Date: Tue, 12 Sep 2000 08:44:30 +0000
Subject: [PATCH] Add CryptoCard authentication

git-svn-id: svn://svn.tartarus.org/sgt/putty@587 cda61777-01e9-0310-a592-d414129be87e
---
 ssh.c      | 30 ++++++++++++++++++++++++++++--
 win_res.rc |  2 +-
 2 files changed, 29 insertions(+), 3 deletions(-)

diff --git a/ssh.c b/ssh.c
index e8d8230a..41d0cf02 100644
--- a/ssh.c
+++ b/ssh.c
@@ -44,8 +44,12 @@
 #define SSH1_CMSG_AUTH_TIS	39
 #define SSH1_SMSG_AUTH_TIS_CHALLENGE	40
 #define SSH1_CMSG_AUTH_TIS_RESPONSE	41
+#define SSH1_CMSG_AUTH_CCARD	70
+#define SSH1_SMSG_AUTH_CCARD_CHALLENGE	71
+#define SSH1_CMSG_AUTH_CCARD_RESPONSE	72
 
 #define SSH1_AUTH_TIS		5
+#define SSH1_AUTH_CCARD		16
 
 #define SSH2_MSG_DISCONNECT             1
 #define SSH2_MSG_IGNORE                 2
@@ -308,7 +312,8 @@ next_packet:
     if (pktin.type == SSH1_SMSG_STDOUT_DATA ||
         pktin.type == SSH1_SMSG_STDERR_DATA ||
         pktin.type == SSH1_MSG_DEBUG ||
-        pktin.type == SSH1_SMSG_AUTH_TIS_CHALLENGE) {
+        pktin.type == SSH1_SMSG_AUTH_TIS_CHALLENGE ||
+        pktin.type == SSH1_SMSG_AUTH_CCARD_CHALLENGE) {
 	long strlen = GET_32BIT(pktin.body);
 	if (strlen + 4 != pktin.length)
 	    fatalbox("Received data packet with bogus string length");
@@ -1199,7 +1204,8 @@ static int do_ssh1_login(unsigned char *in, int inlen, int ispkt)
         static int pwpkt_type;
         /*
          * Show password prompt, having first obtained it via a TIS
-         * exchange if we're doing TIS authentication.
+         * or CryptoCard exchange if we're doing TIS or CryptoCard
+         * authentication.
          */
         pwpkt_type = SSH1_CMSG_AUTH_PASSWORD;
         if (*cfg.keyfile && !tried_publickey)
@@ -1240,6 +1246,26 @@ static int do_ssh1_login(unsigned char *in, int inlen, int ispkt)
                     c_write(pktin.body+4, challengelen);
                 }
             }
+            if (pktin.type == SSH1_SMSG_FAILURE &&
+                cfg.try_tis_auth &&
+                (supported_auths_mask & (1<<SSH1_AUTH_CCARD))) {
+                pwpkt_type = SSH1_CMSG_AUTH_CCARD_RESPONSE;
+                logevent("Requested CryptoCard authentication");
+                send_packet(SSH1_CMSG_AUTH_CCARD, PKT_END);
+                crWaitUntil(ispkt);
+                if (pktin.type != SSH1_SMSG_AUTH_CCARD_CHALLENGE) {
+                    logevent("CryptoCard authentication declined");
+                    c_write("CryptoCard authentication refused.\r\n", 29);
+                } else {
+                    int challengelen = ((pktin.body[0] << 24) |
+                                        (pktin.body[1] << 16) |
+                                        (pktin.body[2] << 8) |
+                                        (pktin.body[3]));
+                    logevent("Received CryptoCard challenge");
+                    c_write(pktin.body+4, challengelen);
+                    c_write("\r\nResponse : ", 13);
+                }
+            }
             if (pwpkt_type == SSH1_CMSG_AUTH_PASSWORD)
                 c_write("password: ", 10);
             if (pwpkt_type == SSH1_CMSG_AUTH_RSA) {
diff --git a/win_res.rc b/win_res.rc
index fb5f3b8b..d9daa337 100644
--- a/win_res.rc
+++ b/win_res.rc
@@ -235,7 +235,7 @@ BEGIN
     AUTORADIOBUTTON "&DES", IDC3_CIPHERDES, 125, 45, 38, 8
     
     
-    AUTOCHECKBOX "Attempt TIS authentication", IDC3_AUTHTIS, 3, 55, 162, 8
+    AUTOCHECKBOX "Attempt TIS or CryptoCard authentication", IDC3_AUTHTIS, 3, 55, 162, 8
     
     
     LTEXT "Prefer protocol version:", IDC3_SSHPROTSTATIC, 3, 75, 105, 8
-- 
2.11.0