* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
-#ifndef lint
-static char rcsid[] = "$Id: upap.c,v 1.10 1996/07/01 01:21:35 paulus Exp $";
-#endif
+#define RCSID "$Id: upap.c,v 1.23 1999/11/20 05:11:47 paulus Exp $"
/*
* TODO:
#include <stdio.h>
#include <string.h>
-#include <sys/types.h>
-#include <sys/time.h>
-#include <syslog.h>
#include "pppd.h"
#include "upap.h"
+static const char rcsid[] = RCSID;
+
+static bool hide_password = 1;
+
+/*
+ * Command-line options.
+ */
+static option_t pap_option_list[] = {
+ { "hide-password", o_bool, &hide_password,
+ "Don't output passwords to log", 1 },
+ { "show-password", o_bool, &hide_password,
+ "Show password string in debug log messages", 0 },
+ { "pap-restart", o_int, &upap[0].us_timeouttime,
+ "Set retransmit timeout for PAP" },
+ { "pap-max-authreq", o_int, &upap[0].us_maxtransmits,
+ "Set max number of transmissions for auth-reqs" },
+ { "pap-timeout", o_int, &upap[0].us_reqtimeout,
+ "Set time limit for peer PAP authentication" },
+ { NULL }
+};
+
/*
* Protocol entry points.
*/
1,
"PAP",
NULL,
+ pap_option_list,
+ NULL,
NULL,
NULL
};
upap_state upap[NUM_PPP]; /* UPAP state; one for each unit */
-static void upap_timeout __P((caddr_t));
-static void upap_reqtimeout __P((caddr_t));
+static void upap_timeout __P((void *));
+static void upap_reqtimeout __P((void *));
static void upap_rauthreq __P((upap_state *, u_char *, int, int));
static void upap_rauthack __P((upap_state *, u_char *, int, int));
static void upap_rauthnak __P((upap_state *, u_char *, int, int));
u->us_serverstate = UPAPSS_LISTEN;
if (u->us_reqtimeout > 0)
- TIMEOUT(upap_reqtimeout, (caddr_t) u, u->us_reqtimeout);
+ TIMEOUT(upap_reqtimeout, u, u->us_reqtimeout);
}
*/
static void
upap_timeout(arg)
- caddr_t arg;
+ void *arg;
{
upap_state *u = (upap_state *) arg;
if (u->us_transmits >= u->us_maxtransmits) {
/* give up in disgust */
- syslog(LOG_ERR, "No response to PAP authenticate-requests");
+ error("No response to PAP authenticate-requests");
u->us_clientstate = UPAPCS_BADAUTH;
auth_withpeer_fail(u->us_unit, PPP_PAP);
return;
*/
static void
upap_reqtimeout(arg)
- caddr_t arg;
+ void *arg;
{
upap_state *u = (upap_state *) arg;
else if (u->us_serverstate == UPAPSS_PENDING) {
u->us_serverstate = UPAPSS_LISTEN;
if (u->us_reqtimeout > 0)
- TIMEOUT(upap_reqtimeout, (caddr_t) u, u->us_reqtimeout);
+ TIMEOUT(upap_reqtimeout, u, u->us_reqtimeout);
}
}
upap_state *u = &upap[unit];
if (u->us_clientstate == UPAPCS_AUTHREQ) /* Timeout pending? */
- UNTIMEOUT(upap_timeout, (caddr_t) u); /* Cancel timeout */
+ UNTIMEOUT(upap_timeout, u); /* Cancel timeout */
if (u->us_serverstate == UPAPSS_LISTEN && u->us_reqtimeout > 0)
- UNTIMEOUT(upap_reqtimeout, (caddr_t) u);
+ UNTIMEOUT(upap_reqtimeout, u);
u->us_clientstate = UPAPCS_INITIAL;
u->us_serverstate = UPAPSS_INITIAL;
upap_state *u = &upap[unit];
if (u->us_clientstate == UPAPCS_AUTHREQ) {
- syslog(LOG_ERR, "PAP authentication failed due to protocol-reject");
+ error("PAP authentication failed due to protocol-reject");
auth_withpeer_fail(unit, PPP_PAP);
}
if (u->us_serverstate == UPAPSS_LISTEN) {
- syslog(LOG_ERR, "PAP authentication of peer failed (protocol-reject)");
+ error("PAP authentication of peer failed (protocol-reject)");
auth_peer_fail(unit, PPP_PAP);
}
upap_lowerdown(unit);
*/
inp = inpacket;
if (l < UPAP_HEADERLEN) {
- UPAPDEBUG((LOG_INFO, "pap_input: rcvd short header."));
+ UPAPDEBUG(("pap_input: rcvd short header."));
return;
}
GETCHAR(code, inp);
GETCHAR(id, inp);
GETSHORT(len, inp);
if (len < UPAP_HEADERLEN) {
- UPAPDEBUG((LOG_INFO, "pap_input: rcvd illegal length."));
+ UPAPDEBUG(("pap_input: rcvd illegal length."));
return;
}
if (len > l) {
- UPAPDEBUG((LOG_INFO, "pap_input: rcvd short packet."));
+ UPAPDEBUG(("pap_input: rcvd short packet."));
return;
}
len -= UPAP_HEADERLEN;
char *msg;
int msglen;
- UPAPDEBUG((LOG_INFO, "pap_rauth: Rcvd id %d.", id));
-
if (u->us_serverstate < UPAPSS_LISTEN)
return;
/*
* Parse user/passwd.
*/
- if (len < sizeof (u_char)) {
- UPAPDEBUG((LOG_INFO, "pap_rauth: rcvd short packet."));
+ if (len < 1) {
+ UPAPDEBUG(("pap_rauth: rcvd short packet."));
return;
}
GETCHAR(ruserlen, inp);
len -= sizeof (u_char) + ruserlen + sizeof (u_char);
if (len < 0) {
- UPAPDEBUG((LOG_INFO, "pap_rauth: rcvd short packet."));
+ UPAPDEBUG(("pap_rauth: rcvd short packet."));
return;
}
ruser = (char *) inp;
INCPTR(ruserlen, inp);
GETCHAR(rpasswdlen, inp);
if (len < rpasswdlen) {
- UPAPDEBUG((LOG_INFO, "pap_rauth: rcvd short packet."));
+ UPAPDEBUG(("pap_rauth: rcvd short packet."));
return;
}
rpasswd = (char *) inp;
* Check the username and password given.
*/
retcode = check_passwd(u->us_unit, ruser, ruserlen, rpasswd,
- rpasswdlen, &msg, &msglen);
+ rpasswdlen, &msg);
BZERO(rpasswd, rpasswdlen);
+ msglen = strlen(msg);
+ if (msglen > 255)
+ msglen = 255;
upap_sresp(u, retcode, id, msg, msglen);
}
if (u->us_reqtimeout > 0)
- UNTIMEOUT(upap_reqtimeout, (caddr_t) u);
+ UNTIMEOUT(upap_reqtimeout, u);
}
u_char msglen;
char *msg;
- UPAPDEBUG((LOG_INFO, "pap_rauthack: Rcvd id %d.", id));
if (u->us_clientstate != UPAPCS_AUTHREQ) /* XXX */
return;
/*
* Parse message.
*/
- if (len < sizeof (u_char)) {
- UPAPDEBUG((LOG_INFO, "pap_rauthack: rcvd short packet."));
- return;
- }
- GETCHAR(msglen, inp);
- len -= sizeof (u_char);
- if (len < msglen) {
- UPAPDEBUG((LOG_INFO, "pap_rauthack: rcvd short packet."));
- return;
+ if (len < 1) {
+ UPAPDEBUG(("pap_rauthack: ignoring missing msg-length."));
+ } else {
+ GETCHAR(msglen, inp);
+ if (msglen > 0) {
+ len -= sizeof (u_char);
+ if (len < msglen) {
+ UPAPDEBUG(("pap_rauthack: rcvd short packet."));
+ return;
+ }
+ msg = (char *) inp;
+ PRINTMSG(msg, msglen);
+ }
}
- msg = (char *) inp;
- PRINTMSG(msg, msglen);
u->us_clientstate = UPAPCS_OPEN;
u_char msglen;
char *msg;
- UPAPDEBUG((LOG_INFO, "pap_rauthnak: Rcvd id %d.", id));
if (u->us_clientstate != UPAPCS_AUTHREQ) /* XXX */
return;
/*
* Parse message.
*/
- if (len < sizeof (u_char)) {
- UPAPDEBUG((LOG_INFO, "pap_rauthnak: rcvd short packet."));
- return;
- }
- GETCHAR(msglen, inp);
- len -= sizeof (u_char);
- if (len < msglen) {
- UPAPDEBUG((LOG_INFO, "pap_rauthnak: rcvd short packet."));
- return;
+ if (len < 1) {
+ UPAPDEBUG(("pap_rauthnak: ignoring missing msg-length."));
+ } else {
+ GETCHAR(msglen, inp);
+ if (msglen > 0) {
+ len -= sizeof (u_char);
+ if (len < msglen) {
+ UPAPDEBUG(("pap_rauthnak: rcvd short packet."));
+ return;
+ }
+ msg = (char *) inp;
+ PRINTMSG(msg, msglen);
+ }
}
- msg = (char *) inp;
- PRINTMSG(msg, msglen);
u->us_clientstate = UPAPCS_BADAUTH;
- syslog(LOG_ERR, "PAP authentication failed");
+ error("PAP authentication failed");
auth_withpeer_fail(u->us_unit, PPP_PAP);
}
output(u->us_unit, outpacket_buf, outlen + PPP_HDRLEN);
- UPAPDEBUG((LOG_INFO, "pap_sauth: Sent id %d.", u->us_id));
-
- TIMEOUT(upap_timeout, (caddr_t) u, u->us_timeouttime);
+ TIMEOUT(upap_timeout, u, u->us_timeouttime);
++u->us_transmits;
u->us_clientstate = UPAPCS_AUTHREQ;
}
PUTCHAR(msglen, outp);
BCOPY(msg, outp, msglen);
output(u->us_unit, outpacket_buf, outlen + PPP_HDRLEN);
-
- UPAPDEBUG((LOG_INFO, "pap_sresp: Sent code %d, id %d.", code, id));
}
/*
printer(arg, " user=");
print_string(user, ulen, printer, arg);
printer(arg, " password=");
- print_string(pwd, wlen, printer, arg);
+ if (!hide_password)
+ print_string(pwd, wlen, printer, arg);
+ else
+ printer(arg, "<hidden>");
break;
case UPAP_AUTHACK:
case UPAP_AUTHNAK: