X-Git-Url: http://git.ozlabs.org/?a=blobdiff_plain;f=pppd%2Fupap.c;h=d3d9d9f41d47635066bbbddf1d0069a4f082a308;hb=c2134507ca4699d192d79337a8fd2e947803dad9;hp=b59d13031ad9e6c7f0d5f224bfae23f6c586afb2;hpb=7a4dc0ff500aaa176a41965d8d4ad15a97a70904;p=ppp.git diff --git a/pppd/upap.c b/pppd/upap.c index b59d130..d3d9d9f 100644 --- a/pppd/upap.c +++ b/pppd/upap.c @@ -17,9 +17,7 @@ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. */ -#ifndef lint -static char rcsid[] = "$Id: upap.c,v 1.14 1999/03/16 03:15:15 paulus Exp $"; -#endif +#define RCSID "$Id: upap.c,v 1.25 2002/04/02 13:54:59 dfs Exp $" /* * TODO: @@ -31,20 +29,26 @@ static char rcsid[] = "$Id: upap.c,v 1.14 1999/03/16 03:15:15 paulus Exp $"; #include "pppd.h" #include "upap.h" -static bool hide_password; +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" }, + "Don't output passwords to log", OPT_PRIO | 1 }, + { "show-password", o_bool, &hide_password, + "Show password string in debug log messages", OPT_PRIOSUB | 0 }, + { "pap-restart", o_int, &upap[0].us_timeouttime, - "Set retransmit timeout for PAP" }, + "Set retransmit timeout for PAP", OPT_PRIO }, { "pap-max-authreq", o_int, &upap[0].us_maxtransmits, - "Set max number of transmissions for auth-reqs" }, + "Set max number of transmissions for auth-reqs", OPT_PRIO }, { "pap-timeout", o_int, &upap[0].us_reqtimeout, - "Set time limit for peer PAP authentication" }, + "Set time limit for peer PAP authentication", OPT_PRIO }, + { NULL } }; @@ -72,6 +76,7 @@ struct protent pap_protent = { NULL, 1, "PAP", + NULL, pap_option_list, NULL, NULL, @@ -371,7 +376,7 @@ upap_rauthreq(u, inp, id, len) /* * Parse user/passwd. */ - if (len < sizeof (u_char)) { + if (len < 1) { UPAPDEBUG(("pap_rauth: rcvd short packet.")); return; } @@ -394,14 +399,17 @@ upap_rauthreq(u, inp, id, len) * 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 (retcode == UPAP_AUTHACK) { u->us_serverstate = UPAPSS_OPEN; - auth_peer_success(u->us_unit, PPP_PAP, ruser, ruserlen); + auth_peer_success(u->us_unit, PPP_PAP, 0, ruser, ruserlen); } else { u->us_serverstate = UPAPSS_BADAUTH; auth_peer_fail(u->us_unit, PPP_PAP); @@ -431,22 +439,24 @@ upap_rauthack(u, inp, id, len) /* * Parse message. */ - if (len < sizeof (u_char)) { - UPAPDEBUG(("pap_rauthack: rcvd short packet.")); - return; - } - GETCHAR(msglen, inp); - len -= sizeof (u_char); - if (len < msglen) { - UPAPDEBUG(("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; - auth_withpeer_success(u->us_unit, PPP_PAP); + auth_withpeer_success(u->us_unit, PPP_PAP, 0); } @@ -469,18 +479,20 @@ upap_rauthnak(u, inp, id, len) /* * Parse message. */ - if (len < sizeof (u_char)) { - UPAPDEBUG(("pap_rauthnak: rcvd short packet.")); - return; - } - GETCHAR(msglen, inp); - len -= sizeof (u_char); - if (len < msglen) { - UPAPDEBUG(("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;