moved protos here from ccp.h; log details of compression in use

[ppp.git] / pppd / chap.c

diff --git a/pppd/chap.c b/pppd/chap.c
index 72870c52af404fbdd0dc409db90a976e12ee0478..1dad8f649b3d4b91c491352cdf4231399aa52950 100644 (file)
--- a/pppd/chap.c
+++ b/pppd/chap.c
@@ -1,5 +1,20 @@
 /*
- * chap.c - Crytographic Handshake Authentication Protocol.
+ * chap.c - Challenge Handshake Authentication Protocol.
+ *
+ * Copyright (c) 1993 The Australian National University.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that the above copyright notice and this paragraph are
+ * duplicated in all such forms and that any documentation,
+ * advertising materials, and other materials related to such
+ * distribution and use acknowledge that the software was developed
+ * by the Australian National University.  The name of the University
+ * may not be used to endorse or promote products derived from this
+ * software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  *
  * Copyright (c) 1991 Gregory M. Christy.
  * All rights reserved.
@@ -19,7 +34,7 @@
  */
 
 #ifndef lint
-static char rcsid[] = "$Id: chap.c,v 1.7 1995/04/24 05:59:12 paulus Exp $";
+static char rcsid[] = "$Id: chap.c,v 1.12 1996/05/28 00:42:27 paulus Exp $";
 #endif
 
 /*
@@ -35,6 +50,15 @@ static char rcsid[] = "$Id: chap.c,v 1.7 1995/04/24 05:59:12 paulus Exp $";
 #include "pppd.h"
 #include "chap.h"
 #include "md5.h"
+#ifdef CHAPMS
+#include "chap_ms.h"
+#endif
+
+struct protent chap_protent = {
+    PPP_CHAP, ChapInit, ChapInput, ChapProtocolReject,
+    ChapLowerUp, ChapLowerDown, NULL, NULL,
+    ChapPrintPkt, NULL, 1, "CHAP", NULL, NULL
+};
 
 chap_state chap[NUM_PPP];              /* CHAP state; one for each unit */
 
@@ -189,9 +213,6 @@ ChapRechallenge(arg)
     ChapGenChallenge(cstate);
     ChapSendChallenge(cstate);
     cstate->serverstate = CHAPSS_RECHALLENGE;
-
-    if (cstate->chal_interval != 0)
-       TIMEOUT(ChapRechallenge, (caddr_t) cstate, cstate->chal_interval);
 }
 
 
@@ -373,9 +394,16 @@ ChapReceiveChallenge(cstate, inp, id, len)
     BCOPY(inp, rhostname, len);
     rhostname[len] = '\000';
 
-    CHAPDEBUG((LOG_INFO, "ChapReceiveChallenge: received name field: %s",
+    CHAPDEBUG((LOG_INFO, "ChapReceiveChallenge: received name field '%s'",
               rhostname));
 
+    /* Microsoft doesn't send their name back in the PPP packet */
+    if (rhostname[0] == 0 && cstate->resp_type == CHAP_MICROSOFT) {
+       strcpy(rhostname, remote_name);
+       CHAPDEBUG((LOG_INFO, "ChapReceiveChallenge: using '%s' as remote name",
+                  rhostname));
+    }
+
     /* get secret for authenticating ourselves with the specified host */
     if (!get_secret(cstate->unit, cstate->resp_name, rhostname,
                    secret, &secret_len, 0)) {
@@ -394,7 +422,7 @@ ChapReceiveChallenge(cstate, inp, id, len)
     /*  generate MD based on negotiated type */
     switch (cstate->resp_type) { 
 
-    case CHAP_DIGEST_MD5:              /* only MD5 is defined for now */
+    case CHAP_DIGEST_MD5:
        MD5Init(&mdContext);
        MD5Update(&mdContext, &cstate->resp_id, 1);
        MD5Update(&mdContext, secret, secret_len);
@@ -404,6 +432,12 @@ ChapReceiveChallenge(cstate, inp, id, len)
        cstate->resp_length = MD5_SIGNATURE_SIZE;
        break;
 
+#ifdef CHAPMS
+    case CHAP_MICROSOFT:
+       ChapMS(cstate, rchallenge, rchallenge_len, secret, secret_len);
+       break;
+#endif
+
     default:
        CHAPDEBUG((LOG_INFO, "unknown digest type %d", cstate->resp_type));
        return;
@@ -427,9 +461,7 @@ ChapReceiveResponse(cstate, inp, id, len)
     int secret_len, old_state;
     int code;
     char rhostname[256];
-    u_char buf[256];
     MD5_CTX mdContext;
-    u_char msg[256];
     char secret[MAXSECRETLEN];
 
     CHAPDEBUG((LOG_INFO, "ChapReceiveResponse: Rcvd id %d.", id));
@@ -581,9 +613,6 @@ ChapReceiveFailure(cstate, inp, id, len)
     u_char id;
     int len;
 {
-    u_char msglen;
-    u_char *msg;
-  
     CHAPDEBUG((LOG_INFO, "ChapReceiveFailure: Rcvd id %d.", id));
 
     if (cstate->clientstate != CHAPCS_RESPONSE) {