X-Git-Url: http://git.ozlabs.org/?a=blobdiff_plain;f=pppd%2Fchap.c;h=1dad8f649b3d4b91c491352cdf4231399aa52950;hb=5ec0e4da8c82337d8feea8c29b117271128e774d;hp=d192fe618d39d856ae026b33c8439326f851c567;hpb=e971fbd059bf01603bfd63ea0b32e3745cf95a82;p=ppp.git

diff --git a/pppd/chap.c b/pppd/chap.c
index d192fe6..1dad8f6 100644
--- 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 1.9 1995/12/18 03:46:19 paulus Exp $";
+static char rcsid[] = "$Id: chap.c,v 1.12 1996/05/28 00:42:27 paulus Exp $";
 #endif
 
 /*
@@ -35,11 +50,14 @@ static char rcsid[] = "$Id: chap.c,v 1.9 1995/12/18 03:46:19 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"
+    ChapPrintPkt, NULL, 1, "CHAP", NULL, NULL
 };
 
 chap_state chap[NUM_PPP];		/* CHAP state; one for each unit */
@@ -376,9 +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)) {
@@ -397,7 +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);
@@ -407,6 +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;
@@ -430,9 +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));
@@ -584,9 +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) {