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Diffstat (limited to 'usr.sbin/pppd/chap.c')
-rw-r--r--usr.sbin/pppd/chap.c74
1 files changed, 59 insertions, 15 deletions
diff --git a/usr.sbin/pppd/chap.c b/usr.sbin/pppd/chap.c
index fa081cc7ae4..a91bf2c38fe 100644
--- a/usr.sbin/pppd/chap.c
+++ b/usr.sbin/pppd/chap.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: chap.c,v 1.2 1996/03/25 15:55:35 niklas Exp $ */
+/* $OpenBSD: chap.c,v 1.3 1996/07/20 12:02:06 joshd Exp $ */
/*
* chap.c - Crytographic Handshake Authentication Protocol.
@@ -21,7 +21,7 @@
*/
#ifndef lint
-static char rcsid[] = "$OpenBSD: chap.c,v 1.2 1996/03/25 15:55:35 niklas Exp $";
+static char rcsid[] = "$OpenBSD: chap.c,v 1.3 1996/07/20 12:02:06 joshd Exp $";
#endif
/*
@@ -38,12 +38,41 @@ static char rcsid[] = "$OpenBSD: chap.c,v 1.2 1996/03/25 15:55:35 niklas Exp $";
#include "chap.h"
#include "md5.h"
+#ifdef CHAPMS
+#include "chap_ms.h"
+#endif
+
+/*
+ * Protocol entry points.
+ */
+static void ChapInit __P((int));
+static void ChapLowerUp __P((int));
+static void ChapLowerDown __P((int));
+static void ChapInput __P((int, u_char *, int));
+static void ChapProtocolReject __P((int));
+static int ChapPrintPkt __P((u_char *, int,
+ void (*) __P((void *, char *, ...)), void
+*));
+
struct protent chap_protent = {
- PPP_CHAP, ChapInit, ChapInput, ChapProtocolReject,
- ChapLowerUp, ChapLowerDown, NULL, NULL,
- ChapPrintPkt, NULL, 1, "CHAP", NULL, NULL
+ PPP_CHAP,
+ ChapInit,
+ ChapInput,
+ ChapProtocolReject,
+ ChapLowerUp,
+ ChapLowerDown,
+ NULL,
+ NULL,
+ ChapPrintPkt,
+ NULL,
+ 1,
+ "CHAP",
+ NULL,
+ NULL,
+ NULL
};
+
chap_state chap[NUM_PPP]; /* CHAP state; one for each unit */
static void ChapChallengeTimeout __P((caddr_t));
@@ -63,7 +92,7 @@ extern void srand48 __P((long));
/*
* ChapInit - Initialize a CHAP unit.
*/
-void
+static void
ChapInit(unit)
int unit;
{
@@ -205,7 +234,7 @@ ChapRechallenge(arg)
*
* Start up if we have pending requests.
*/
-void
+static void
ChapLowerUp(unit)
int unit;
{
@@ -231,7 +260,7 @@ ChapLowerUp(unit)
*
* Cancel all timeouts.
*/
-void
+static void
ChapLowerDown(unit)
int unit;
{
@@ -255,7 +284,7 @@ ChapLowerDown(unit)
/*
* ChapProtocolReject - Peer doesn't grok CHAP.
*/
-void
+static void
ChapProtocolReject(unit)
int unit;
{
@@ -274,7 +303,7 @@ ChapProtocolReject(unit)
/*
* ChapInput - Input CHAP packet.
*/
-void
+static void
ChapInput(unit, inpacket, packet_len)
int unit;
u_char *inpacket;
@@ -378,8 +407,15 @@ ChapReceiveChallenge(cstate, inp, id, len)
BCOPY(inp, rhostname, len);
rhostname[len] = '\000';
- CHAPDEBUG((LOG_INFO, "ChapReceiveChallenge: received name field: %s",
- rhostname));
+ 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,
@@ -409,11 +445,18 @@ 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;
}
+ BZERO(secret, sizeof(secret));
ChapSendResponse(cstate);
}
@@ -518,13 +561,14 @@ ChapReceiveResponse(cstate, inp, id, len)
}
}
+ BZERO(secret, sizeof(secret));
ChapSendStatus(cstate, code);
if (code == CHAP_SUCCESS) {
old_state = cstate->serverstate;
cstate->serverstate = CHAPSS_OPEN;
if (old_state == CHAPSS_INITIAL_CHAL) {
- auth_peer_success(cstate->unit, PPP_CHAP);
+ auth_peer_success(cstate->unit, PPP_CHAP, rhostname, len);
}
if (cstate->chal_interval != 0)
TIMEOUT(ChapRechallenge, (caddr_t) cstate, cstate->chal_interval);
@@ -745,11 +789,11 @@ ChapSendResponse(cstate)
/*
* ChapPrintPkt - print the contents of a CHAP packet.
*/
-char *ChapCodenames[] = {
+static char *ChapCodenames[] = {
"Challenge", "Response", "Success", "Failure"
};
-int
+static int
ChapPrintPkt(p, plen, printer, arg)
u_char *p;
int plen;