CK Sin / Mbed 2 deprecated Ethernetwebsocket

Ethernetwebsoc

Dependencies:   C12832_lcd LM75B WebSocketClient mbed-rtos mbed Socket lwip-eth lwip-sys lwip

EthernetInterface/lwip/netif/ppp/pap.c@0:0ed2a7c7190c, 2013-05-31 (annotated)

Committer:
GordonSin
Date:
Fri May 31 04:09:54 2013 +0000
Revision:
0:0ed2a7c7190c
31/5/2013;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
GordonSin 0:0ed2a7c7190c 1 /*****************************************************************************
GordonSin 0:0ed2a7c7190c 2 * pap.c - Network Password Authentication Protocol program file.
GordonSin 0:0ed2a7c7190c 3 *
GordonSin 0:0ed2a7c7190c 4 * Copyright (c) 2003 by Marc Boucher, Services Informatiques (MBSI) inc.
GordonSin 0:0ed2a7c7190c 5 * portions Copyright (c) 1997 by Global Election Systems Inc.
GordonSin 0:0ed2a7c7190c 6 *
GordonSin 0:0ed2a7c7190c 7 * The authors hereby grant permission to use, copy, modify, distribute,
GordonSin 0:0ed2a7c7190c 8 * and license this software and its documentation for any purpose, provided
GordonSin 0:0ed2a7c7190c 9 * that existing copyright notices are retained in all copies and that this
GordonSin 0:0ed2a7c7190c 10 * notice and the following disclaimer are included verbatim in any
GordonSin 0:0ed2a7c7190c 11 * distributions. No written agreement, license, or royalty fee is required
GordonSin 0:0ed2a7c7190c 12 * for any of the authorized uses.
GordonSin 0:0ed2a7c7190c 13 *
GordonSin 0:0ed2a7c7190c 14 * THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS *AS IS* AND ANY EXPRESS OR
GordonSin 0:0ed2a7c7190c 15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
GordonSin 0:0ed2a7c7190c 16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
GordonSin 0:0ed2a7c7190c 17 * IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
GordonSin 0:0ed2a7c7190c 18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
GordonSin 0:0ed2a7c7190c 19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
GordonSin 0:0ed2a7c7190c 20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
GordonSin 0:0ed2a7c7190c 21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
GordonSin 0:0ed2a7c7190c 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
GordonSin 0:0ed2a7c7190c 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
GordonSin 0:0ed2a7c7190c 24 *
GordonSin 0:0ed2a7c7190c 25 ******************************************************************************
GordonSin 0:0ed2a7c7190c 26 * REVISION HISTORY
GordonSin 0:0ed2a7c7190c 27 *
GordonSin 0:0ed2a7c7190c 28 * 03-01-01 Marc Boucher <marc@mbsi.ca>
GordonSin 0:0ed2a7c7190c 29 * Ported to lwIP.
GordonSin 0:0ed2a7c7190c 30 * 97-12-12 Guy Lancaster <lancasterg@acm.org>, Global Election Systems Inc.
GordonSin 0:0ed2a7c7190c 31 * Original.
GordonSin 0:0ed2a7c7190c 32 *****************************************************************************/
GordonSin 0:0ed2a7c7190c 33 /*
GordonSin 0:0ed2a7c7190c 34 * upap.c - User/Password Authentication Protocol.
GordonSin 0:0ed2a7c7190c 35 *
GordonSin 0:0ed2a7c7190c 36 * Copyright (c) 1989 Carnegie Mellon University.
GordonSin 0:0ed2a7c7190c 37 * All rights reserved.
GordonSin 0:0ed2a7c7190c 38 *
GordonSin 0:0ed2a7c7190c 39 * Redistribution and use in source and binary forms are permitted
GordonSin 0:0ed2a7c7190c 40 * provided that the above copyright notice and this paragraph are
GordonSin 0:0ed2a7c7190c 41 * duplicated in all such forms and that any documentation,
GordonSin 0:0ed2a7c7190c 42 * advertising materials, and other materials related to such
GordonSin 0:0ed2a7c7190c 43 * distribution and use acknowledge that the software was developed
GordonSin 0:0ed2a7c7190c 44 * by Carnegie Mellon University. The name of the
GordonSin 0:0ed2a7c7190c 45 * University may not be used to endorse or promote products derived
GordonSin 0:0ed2a7c7190c 46 * from this software without specific prior written permission.
GordonSin 0:0ed2a7c7190c 47 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
GordonSin 0:0ed2a7c7190c 48 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
GordonSin 0:0ed2a7c7190c 49 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
GordonSin 0:0ed2a7c7190c 50 */
GordonSin 0:0ed2a7c7190c 51
GordonSin 0:0ed2a7c7190c 52 #include "lwip/opt.h"
GordonSin 0:0ed2a7c7190c 53
GordonSin 0:0ed2a7c7190c 54 #if PPP_SUPPORT /* don't build if not configured for use in lwipopts.h */
GordonSin 0:0ed2a7c7190c 55
GordonSin 0:0ed2a7c7190c 56 #if PAP_SUPPORT /* don't build if not configured for use in lwipopts.h */
GordonSin 0:0ed2a7c7190c 57
GordonSin 0:0ed2a7c7190c 58 #include "ppp.h"
GordonSin 0:0ed2a7c7190c 59 #include "pppdebug.h"
GordonSin 0:0ed2a7c7190c 60
GordonSin 0:0ed2a7c7190c 61 #include "auth.h"
GordonSin 0:0ed2a7c7190c 62 #include "pap.h"
GordonSin 0:0ed2a7c7190c 63
GordonSin 0:0ed2a7c7190c 64 #include <string.h>
GordonSin 0:0ed2a7c7190c 65
GordonSin 0:0ed2a7c7190c 66 #if 0 /* UNUSED */
GordonSin 0:0ed2a7c7190c 67 static bool hide_password = 1;
GordonSin 0:0ed2a7c7190c 68
GordonSin 0:0ed2a7c7190c 69 /*
GordonSin 0:0ed2a7c7190c 70 * Command-line options.
GordonSin 0:0ed2a7c7190c 71 */
GordonSin 0:0ed2a7c7190c 72 static option_t pap_option_list[] = {
GordonSin 0:0ed2a7c7190c 73 { "hide-password", o_bool, &hide_password,
GordonSin 0:0ed2a7c7190c 74 "Don't output passwords to log", 1 },
GordonSin 0:0ed2a7c7190c 75 { "show-password", o_bool, &hide_password,
GordonSin 0:0ed2a7c7190c 76 "Show password string in debug log messages", 0 },
GordonSin 0:0ed2a7c7190c 77 { "pap-restart", o_int, &upap[0].us_timeouttime,
GordonSin 0:0ed2a7c7190c 78 "Set retransmit timeout for PAP" },
GordonSin 0:0ed2a7c7190c 79 { "pap-max-authreq", o_int, &upap[0].us_maxtransmits,
GordonSin 0:0ed2a7c7190c 80 "Set max number of transmissions for auth-reqs" },
GordonSin 0:0ed2a7c7190c 81 { "pap-timeout", o_int, &upap[0].us_reqtimeout,
GordonSin 0:0ed2a7c7190c 82 "Set time limit for peer PAP authentication" },
GordonSin 0:0ed2a7c7190c 83 { NULL }
GordonSin 0:0ed2a7c7190c 84 };
GordonSin 0:0ed2a7c7190c 85 #endif
GordonSin 0:0ed2a7c7190c 86
GordonSin 0:0ed2a7c7190c 87 /*
GordonSin 0:0ed2a7c7190c 88 * Protocol entry points.
GordonSin 0:0ed2a7c7190c 89 */
GordonSin 0:0ed2a7c7190c 90 static void upap_init (int);
GordonSin 0:0ed2a7c7190c 91 static void upap_lowerup (int);
GordonSin 0:0ed2a7c7190c 92 static void upap_lowerdown (int);
GordonSin 0:0ed2a7c7190c 93 static void upap_input (int, u_char *, int);
GordonSin 0:0ed2a7c7190c 94 static void upap_protrej (int);
GordonSin 0:0ed2a7c7190c 95 #if PPP_ADDITIONAL_CALLBACKS
GordonSin 0:0ed2a7c7190c 96 static int upap_printpkt (u_char *, int, void (*)(void *, char *, ...), void *);
GordonSin 0:0ed2a7c7190c 97 #endif /* PPP_ADDITIONAL_CALLBACKS */
GordonSin 0:0ed2a7c7190c 98
GordonSin 0:0ed2a7c7190c 99 struct protent pap_protent = {
GordonSin 0:0ed2a7c7190c 100 PPP_PAP,
GordonSin 0:0ed2a7c7190c 101 upap_init,
GordonSin 0:0ed2a7c7190c 102 upap_input,
GordonSin 0:0ed2a7c7190c 103 upap_protrej,
GordonSin 0:0ed2a7c7190c 104 upap_lowerup,
GordonSin 0:0ed2a7c7190c 105 upap_lowerdown,
GordonSin 0:0ed2a7c7190c 106 NULL,
GordonSin 0:0ed2a7c7190c 107 NULL,
GordonSin 0:0ed2a7c7190c 108 #if PPP_ADDITIONAL_CALLBACKS
GordonSin 0:0ed2a7c7190c 109 upap_printpkt,
GordonSin 0:0ed2a7c7190c 110 NULL,
GordonSin 0:0ed2a7c7190c 111 #endif /* PPP_ADDITIONAL_CALLBACKS */
GordonSin 0:0ed2a7c7190c 112 1,
GordonSin 0:0ed2a7c7190c 113 "PAP",
GordonSin 0:0ed2a7c7190c 114 #if PPP_ADDITIONAL_CALLBACKS
GordonSin 0:0ed2a7c7190c 115 NULL,
GordonSin 0:0ed2a7c7190c 116 NULL,
GordonSin 0:0ed2a7c7190c 117 NULL
GordonSin 0:0ed2a7c7190c 118 #endif /* PPP_ADDITIONAL_CALLBACKS */
GordonSin 0:0ed2a7c7190c 119 };
GordonSin 0:0ed2a7c7190c 120
GordonSin 0:0ed2a7c7190c 121 upap_state upap[NUM_PPP]; /* UPAP state; one for each unit */
GordonSin 0:0ed2a7c7190c 122
GordonSin 0:0ed2a7c7190c 123 static void upap_timeout (void *);
GordonSin 0:0ed2a7c7190c 124 static void upap_reqtimeout(void *);
GordonSin 0:0ed2a7c7190c 125 static void upap_rauthreq (upap_state *, u_char *, u_char, int);
GordonSin 0:0ed2a7c7190c 126 static void upap_rauthack (upap_state *, u_char *, int, int);
GordonSin 0:0ed2a7c7190c 127 static void upap_rauthnak (upap_state *, u_char *, int, int);
GordonSin 0:0ed2a7c7190c 128 static void upap_sauthreq (upap_state *);
GordonSin 0:0ed2a7c7190c 129 static void upap_sresp (upap_state *, u_char, u_char, char *, int);
GordonSin 0:0ed2a7c7190c 130
GordonSin 0:0ed2a7c7190c 131
GordonSin 0:0ed2a7c7190c 132 /*
GordonSin 0:0ed2a7c7190c 133 * upap_init - Initialize a UPAP unit.
GordonSin 0:0ed2a7c7190c 134 */
GordonSin 0:0ed2a7c7190c 135 static void
GordonSin 0:0ed2a7c7190c 136 upap_init(int unit)
GordonSin 0:0ed2a7c7190c 137 {
GordonSin 0:0ed2a7c7190c 138 upap_state *u = &upap[unit];
GordonSin 0:0ed2a7c7190c 139
GordonSin 0:0ed2a7c7190c 140 UPAPDEBUG(LOG_INFO, ("upap_init: %d\n", unit));
GordonSin 0:0ed2a7c7190c 141 u->us_unit = unit;
GordonSin 0:0ed2a7c7190c 142 u->us_user = NULL;
GordonSin 0:0ed2a7c7190c 143 u->us_userlen = 0;
GordonSin 0:0ed2a7c7190c 144 u->us_passwd = NULL;
GordonSin 0:0ed2a7c7190c 145 u->us_passwdlen = 0;
GordonSin 0:0ed2a7c7190c 146 u->us_clientstate = UPAPCS_INITIAL;
GordonSin 0:0ed2a7c7190c 147 u->us_serverstate = UPAPSS_INITIAL;
GordonSin 0:0ed2a7c7190c 148 u->us_id = 0;
GordonSin 0:0ed2a7c7190c 149 u->us_timeouttime = UPAP_DEFTIMEOUT;
GordonSin 0:0ed2a7c7190c 150 u->us_maxtransmits = 10;
GordonSin 0:0ed2a7c7190c 151 u->us_reqtimeout = UPAP_DEFREQTIME;
GordonSin 0:0ed2a7c7190c 152 }
GordonSin 0:0ed2a7c7190c 153
GordonSin 0:0ed2a7c7190c 154 /*
GordonSin 0:0ed2a7c7190c 155 * upap_authwithpeer - Authenticate us with our peer (start client).
GordonSin 0:0ed2a7c7190c 156 *
GordonSin 0:0ed2a7c7190c 157 * Set new state and send authenticate's.
GordonSin 0:0ed2a7c7190c 158 */
GordonSin 0:0ed2a7c7190c 159 void
GordonSin 0:0ed2a7c7190c 160 upap_authwithpeer(int unit, char *user, char *password)
GordonSin 0:0ed2a7c7190c 161 {
GordonSin 0:0ed2a7c7190c 162 upap_state *u = &upap[unit];
GordonSin 0:0ed2a7c7190c 163
GordonSin 0:0ed2a7c7190c 164 UPAPDEBUG(LOG_INFO, ("upap_authwithpeer: %d user=%s password=%s s=%d\n",
GordonSin 0:0ed2a7c7190c 165 unit, user, password, u->us_clientstate));
GordonSin 0:0ed2a7c7190c 166
GordonSin 0:0ed2a7c7190c 167 /* Save the username and password we're given */
GordonSin 0:0ed2a7c7190c 168 u->us_user = user;
GordonSin 0:0ed2a7c7190c 169 u->us_userlen = (int)strlen(user);
GordonSin 0:0ed2a7c7190c 170 u->us_passwd = password;
GordonSin 0:0ed2a7c7190c 171 u->us_passwdlen = (int)strlen(password);
GordonSin 0:0ed2a7c7190c 172
GordonSin 0:0ed2a7c7190c 173 u->us_transmits = 0;
GordonSin 0:0ed2a7c7190c 174
GordonSin 0:0ed2a7c7190c 175 /* Lower layer up yet? */
GordonSin 0:0ed2a7c7190c 176 if (u->us_clientstate == UPAPCS_INITIAL ||
GordonSin 0:0ed2a7c7190c 177 u->us_clientstate == UPAPCS_PENDING) {
GordonSin 0:0ed2a7c7190c 178 u->us_clientstate = UPAPCS_PENDING;
GordonSin 0:0ed2a7c7190c 179 return;
GordonSin 0:0ed2a7c7190c 180 }
GordonSin 0:0ed2a7c7190c 181
GordonSin 0:0ed2a7c7190c 182 upap_sauthreq(u); /* Start protocol */
GordonSin 0:0ed2a7c7190c 183 }
GordonSin 0:0ed2a7c7190c 184
GordonSin 0:0ed2a7c7190c 185
GordonSin 0:0ed2a7c7190c 186 /*
GordonSin 0:0ed2a7c7190c 187 * upap_authpeer - Authenticate our peer (start server).
GordonSin 0:0ed2a7c7190c 188 *
GordonSin 0:0ed2a7c7190c 189 * Set new state.
GordonSin 0:0ed2a7c7190c 190 */
GordonSin 0:0ed2a7c7190c 191 void
GordonSin 0:0ed2a7c7190c 192 upap_authpeer(int unit)
GordonSin 0:0ed2a7c7190c 193 {
GordonSin 0:0ed2a7c7190c 194 upap_state *u = &upap[unit];
GordonSin 0:0ed2a7c7190c 195
GordonSin 0:0ed2a7c7190c 196 /* Lower layer up yet? */
GordonSin 0:0ed2a7c7190c 197 if (u->us_serverstate == UPAPSS_INITIAL ||
GordonSin 0:0ed2a7c7190c 198 u->us_serverstate == UPAPSS_PENDING) {
GordonSin 0:0ed2a7c7190c 199 u->us_serverstate = UPAPSS_PENDING;
GordonSin 0:0ed2a7c7190c 200 return;
GordonSin 0:0ed2a7c7190c 201 }
GordonSin 0:0ed2a7c7190c 202
GordonSin 0:0ed2a7c7190c 203 u->us_serverstate = UPAPSS_LISTEN;
GordonSin 0:0ed2a7c7190c 204 if (u->us_reqtimeout > 0) {
GordonSin 0:0ed2a7c7190c 205 TIMEOUT(upap_reqtimeout, u, u->us_reqtimeout);
GordonSin 0:0ed2a7c7190c 206 }
GordonSin 0:0ed2a7c7190c 207 }
GordonSin 0:0ed2a7c7190c 208
GordonSin 0:0ed2a7c7190c 209 /*
GordonSin 0:0ed2a7c7190c 210 * upap_timeout - Retransmission timer for sending auth-reqs expired.
GordonSin 0:0ed2a7c7190c 211 */
GordonSin 0:0ed2a7c7190c 212 static void
GordonSin 0:0ed2a7c7190c 213 upap_timeout(void *arg)
GordonSin 0:0ed2a7c7190c 214 {
GordonSin 0:0ed2a7c7190c 215 upap_state *u = (upap_state *) arg;
GordonSin 0:0ed2a7c7190c 216
GordonSin 0:0ed2a7c7190c 217 UPAPDEBUG(LOG_INFO, ("upap_timeout: %d timeout %d expired s=%d\n",
GordonSin 0:0ed2a7c7190c 218 u->us_unit, u->us_timeouttime, u->us_clientstate));
GordonSin 0:0ed2a7c7190c 219
GordonSin 0:0ed2a7c7190c 220 if (u->us_clientstate != UPAPCS_AUTHREQ) {
GordonSin 0:0ed2a7c7190c 221 UPAPDEBUG(LOG_INFO, ("upap_timeout: not in AUTHREQ state!\n"));
GordonSin 0:0ed2a7c7190c 222 return;
GordonSin 0:0ed2a7c7190c 223 }
GordonSin 0:0ed2a7c7190c 224
GordonSin 0:0ed2a7c7190c 225 if (u->us_transmits >= u->us_maxtransmits) {
GordonSin 0:0ed2a7c7190c 226 /* give up in disgust */
GordonSin 0:0ed2a7c7190c 227 UPAPDEBUG(LOG_ERR, ("No response to PAP authenticate-requests\n"));
GordonSin 0:0ed2a7c7190c 228 u->us_clientstate = UPAPCS_BADAUTH;
GordonSin 0:0ed2a7c7190c 229 auth_withpeer_fail(u->us_unit, PPP_PAP);
GordonSin 0:0ed2a7c7190c 230 return;
GordonSin 0:0ed2a7c7190c 231 }
GordonSin 0:0ed2a7c7190c 232
GordonSin 0:0ed2a7c7190c 233 upap_sauthreq(u); /* Send Authenticate-Request and set upap timeout*/
GordonSin 0:0ed2a7c7190c 234 }
GordonSin 0:0ed2a7c7190c 235
GordonSin 0:0ed2a7c7190c 236
GordonSin 0:0ed2a7c7190c 237 /*
GordonSin 0:0ed2a7c7190c 238 * upap_reqtimeout - Give up waiting for the peer to send an auth-req.
GordonSin 0:0ed2a7c7190c 239 */
GordonSin 0:0ed2a7c7190c 240 static void
GordonSin 0:0ed2a7c7190c 241 upap_reqtimeout(void *arg)
GordonSin 0:0ed2a7c7190c 242 {
GordonSin 0:0ed2a7c7190c 243 upap_state *u = (upap_state *) arg;
GordonSin 0:0ed2a7c7190c 244
GordonSin 0:0ed2a7c7190c 245 if (u->us_serverstate != UPAPSS_LISTEN) {
GordonSin 0:0ed2a7c7190c 246 return; /* huh?? */
GordonSin 0:0ed2a7c7190c 247 }
GordonSin 0:0ed2a7c7190c 248
GordonSin 0:0ed2a7c7190c 249 auth_peer_fail(u->us_unit, PPP_PAP);
GordonSin 0:0ed2a7c7190c 250 u->us_serverstate = UPAPSS_BADAUTH;
GordonSin 0:0ed2a7c7190c 251 }
GordonSin 0:0ed2a7c7190c 252
GordonSin 0:0ed2a7c7190c 253
GordonSin 0:0ed2a7c7190c 254 /*
GordonSin 0:0ed2a7c7190c 255 * upap_lowerup - The lower layer is up.
GordonSin 0:0ed2a7c7190c 256 *
GordonSin 0:0ed2a7c7190c 257 * Start authenticating if pending.
GordonSin 0:0ed2a7c7190c 258 */
GordonSin 0:0ed2a7c7190c 259 static void
GordonSin 0:0ed2a7c7190c 260 upap_lowerup(int unit)
GordonSin 0:0ed2a7c7190c 261 {
GordonSin 0:0ed2a7c7190c 262 upap_state *u = &upap[unit];
GordonSin 0:0ed2a7c7190c 263
GordonSin 0:0ed2a7c7190c 264 UPAPDEBUG(LOG_INFO, ("upap_lowerup: init %d clientstate s=%d\n", unit, u->us_clientstate));
GordonSin 0:0ed2a7c7190c 265
GordonSin 0:0ed2a7c7190c 266 if (u->us_clientstate == UPAPCS_INITIAL) {
GordonSin 0:0ed2a7c7190c 267 u->us_clientstate = UPAPCS_CLOSED;
GordonSin 0:0ed2a7c7190c 268 } else if (u->us_clientstate == UPAPCS_PENDING) {
GordonSin 0:0ed2a7c7190c 269 upap_sauthreq(u); /* send an auth-request */
GordonSin 0:0ed2a7c7190c 270 /* now client state is UPAPCS__AUTHREQ */
GordonSin 0:0ed2a7c7190c 271 }
GordonSin 0:0ed2a7c7190c 272
GordonSin 0:0ed2a7c7190c 273 if (u->us_serverstate == UPAPSS_INITIAL) {
GordonSin 0:0ed2a7c7190c 274 u->us_serverstate = UPAPSS_CLOSED;
GordonSin 0:0ed2a7c7190c 275 } else if (u->us_serverstate == UPAPSS_PENDING) {
GordonSin 0:0ed2a7c7190c 276 u->us_serverstate = UPAPSS_LISTEN;
GordonSin 0:0ed2a7c7190c 277 if (u->us_reqtimeout > 0) {
GordonSin 0:0ed2a7c7190c 278 TIMEOUT(upap_reqtimeout, u, u->us_reqtimeout);
GordonSin 0:0ed2a7c7190c 279 }
GordonSin 0:0ed2a7c7190c 280 }
GordonSin 0:0ed2a7c7190c 281 }
GordonSin 0:0ed2a7c7190c 282
GordonSin 0:0ed2a7c7190c 283
GordonSin 0:0ed2a7c7190c 284 /*
GordonSin 0:0ed2a7c7190c 285 * upap_lowerdown - The lower layer is down.
GordonSin 0:0ed2a7c7190c 286 *
GordonSin 0:0ed2a7c7190c 287 * Cancel all timeouts.
GordonSin 0:0ed2a7c7190c 288 */
GordonSin 0:0ed2a7c7190c 289 static void
GordonSin 0:0ed2a7c7190c 290 upap_lowerdown(int unit)
GordonSin 0:0ed2a7c7190c 291 {
GordonSin 0:0ed2a7c7190c 292 upap_state *u = &upap[unit];
GordonSin 0:0ed2a7c7190c 293
GordonSin 0:0ed2a7c7190c 294 UPAPDEBUG(LOG_INFO, ("upap_lowerdown: %d s=%d\n", unit, u->us_clientstate));
GordonSin 0:0ed2a7c7190c 295
GordonSin 0:0ed2a7c7190c 296 if (u->us_clientstate == UPAPCS_AUTHREQ) { /* Timeout pending? */
GordonSin 0:0ed2a7c7190c 297 UNTIMEOUT(upap_timeout, u); /* Cancel timeout */
GordonSin 0:0ed2a7c7190c 298 }
GordonSin 0:0ed2a7c7190c 299 if (u->us_serverstate == UPAPSS_LISTEN && u->us_reqtimeout > 0) {
GordonSin 0:0ed2a7c7190c 300 UNTIMEOUT(upap_reqtimeout, u);
GordonSin 0:0ed2a7c7190c 301 }
GordonSin 0:0ed2a7c7190c 302
GordonSin 0:0ed2a7c7190c 303 u->us_clientstate = UPAPCS_INITIAL;
GordonSin 0:0ed2a7c7190c 304 u->us_serverstate = UPAPSS_INITIAL;
GordonSin 0:0ed2a7c7190c 305 }
GordonSin 0:0ed2a7c7190c 306
GordonSin 0:0ed2a7c7190c 307
GordonSin 0:0ed2a7c7190c 308 /*
GordonSin 0:0ed2a7c7190c 309 * upap_protrej - Peer doesn't speak this protocol.
GordonSin 0:0ed2a7c7190c 310 *
GordonSin 0:0ed2a7c7190c 311 * This shouldn't happen. In any case, pretend lower layer went down.
GordonSin 0:0ed2a7c7190c 312 */
GordonSin 0:0ed2a7c7190c 313 static void
GordonSin 0:0ed2a7c7190c 314 upap_protrej(int unit)
GordonSin 0:0ed2a7c7190c 315 {
GordonSin 0:0ed2a7c7190c 316 upap_state *u = &upap[unit];
GordonSin 0:0ed2a7c7190c 317
GordonSin 0:0ed2a7c7190c 318 if (u->us_clientstate == UPAPCS_AUTHREQ) {
GordonSin 0:0ed2a7c7190c 319 UPAPDEBUG(LOG_ERR, ("PAP authentication failed due to protocol-reject\n"));
GordonSin 0:0ed2a7c7190c 320 auth_withpeer_fail(unit, PPP_PAP);
GordonSin 0:0ed2a7c7190c 321 }
GordonSin 0:0ed2a7c7190c 322 if (u->us_serverstate == UPAPSS_LISTEN) {
GordonSin 0:0ed2a7c7190c 323 UPAPDEBUG(LOG_ERR, ("PAP authentication of peer failed (protocol-reject)\n"));
GordonSin 0:0ed2a7c7190c 324 auth_peer_fail(unit, PPP_PAP);
GordonSin 0:0ed2a7c7190c 325 }
GordonSin 0:0ed2a7c7190c 326 upap_lowerdown(unit);
GordonSin 0:0ed2a7c7190c 327 }
GordonSin 0:0ed2a7c7190c 328
GordonSin 0:0ed2a7c7190c 329
GordonSin 0:0ed2a7c7190c 330 /*
GordonSin 0:0ed2a7c7190c 331 * upap_input - Input UPAP packet.
GordonSin 0:0ed2a7c7190c 332 */
GordonSin 0:0ed2a7c7190c 333 static void
GordonSin 0:0ed2a7c7190c 334 upap_input(int unit, u_char *inpacket, int l)
GordonSin 0:0ed2a7c7190c 335 {
GordonSin 0:0ed2a7c7190c 336 upap_state *u = &upap[unit];
GordonSin 0:0ed2a7c7190c 337 u_char *inp;
GordonSin 0:0ed2a7c7190c 338 u_char code, id;
GordonSin 0:0ed2a7c7190c 339 int len;
GordonSin 0:0ed2a7c7190c 340
GordonSin 0:0ed2a7c7190c 341 /*
GordonSin 0:0ed2a7c7190c 342 * Parse header (code, id and length).
GordonSin 0:0ed2a7c7190c 343 * If packet too short, drop it.
GordonSin 0:0ed2a7c7190c 344 */
GordonSin 0:0ed2a7c7190c 345 inp = inpacket;
GordonSin 0:0ed2a7c7190c 346 if (l < (int)UPAP_HEADERLEN) {
GordonSin 0:0ed2a7c7190c 347 UPAPDEBUG(LOG_INFO, ("pap_input: rcvd short header.\n"));
GordonSin 0:0ed2a7c7190c 348 return;
GordonSin 0:0ed2a7c7190c 349 }
GordonSin 0:0ed2a7c7190c 350 GETCHAR(code, inp);
GordonSin 0:0ed2a7c7190c 351 GETCHAR(id, inp);
GordonSin 0:0ed2a7c7190c 352 GETSHORT(len, inp);
GordonSin 0:0ed2a7c7190c 353 if (len < (int)UPAP_HEADERLEN) {
GordonSin 0:0ed2a7c7190c 354 UPAPDEBUG(LOG_INFO, ("pap_input: rcvd illegal length.\n"));
GordonSin 0:0ed2a7c7190c 355 return;
GordonSin 0:0ed2a7c7190c 356 }
GordonSin 0:0ed2a7c7190c 357 if (len > l) {
GordonSin 0:0ed2a7c7190c 358 UPAPDEBUG(LOG_INFO, ("pap_input: rcvd short packet.\n"));
GordonSin 0:0ed2a7c7190c 359 return;
GordonSin 0:0ed2a7c7190c 360 }
GordonSin 0:0ed2a7c7190c 361 len -= UPAP_HEADERLEN;
GordonSin 0:0ed2a7c7190c 362
GordonSin 0:0ed2a7c7190c 363 /*
GordonSin 0:0ed2a7c7190c 364 * Action depends on code.
GordonSin 0:0ed2a7c7190c 365 */
GordonSin 0:0ed2a7c7190c 366 switch (code) {
GordonSin 0:0ed2a7c7190c 367 case UPAP_AUTHREQ:
GordonSin 0:0ed2a7c7190c 368 upap_rauthreq(u, inp, id, len);
GordonSin 0:0ed2a7c7190c 369 break;
GordonSin 0:0ed2a7c7190c 370
GordonSin 0:0ed2a7c7190c 371 case UPAP_AUTHACK:
GordonSin 0:0ed2a7c7190c 372 upap_rauthack(u, inp, id, len);
GordonSin 0:0ed2a7c7190c 373 break;
GordonSin 0:0ed2a7c7190c 374
GordonSin 0:0ed2a7c7190c 375 case UPAP_AUTHNAK:
GordonSin 0:0ed2a7c7190c 376 upap_rauthnak(u, inp, id, len);
GordonSin 0:0ed2a7c7190c 377 break;
GordonSin 0:0ed2a7c7190c 378
GordonSin 0:0ed2a7c7190c 379 default: /* XXX Need code reject */
GordonSin 0:0ed2a7c7190c 380 UPAPDEBUG(LOG_INFO, ("pap_input: UNHANDLED default: code: %d, id: %d, len: %d.\n", code, id, len));
GordonSin 0:0ed2a7c7190c 381 break;
GordonSin 0:0ed2a7c7190c 382 }
GordonSin 0:0ed2a7c7190c 383 }
GordonSin 0:0ed2a7c7190c 384
GordonSin 0:0ed2a7c7190c 385
GordonSin 0:0ed2a7c7190c 386 /*
GordonSin 0:0ed2a7c7190c 387 * upap_rauth - Receive Authenticate.
GordonSin 0:0ed2a7c7190c 388 */
GordonSin 0:0ed2a7c7190c 389 static void
GordonSin 0:0ed2a7c7190c 390 upap_rauthreq(upap_state *u, u_char *inp, u_char id, int len)
GordonSin 0:0ed2a7c7190c 391 {
GordonSin 0:0ed2a7c7190c 392 u_char ruserlen, rpasswdlen;
GordonSin 0:0ed2a7c7190c 393 char *ruser, *rpasswd;
GordonSin 0:0ed2a7c7190c 394 u_char retcode;
GordonSin 0:0ed2a7c7190c 395 char *msg;
GordonSin 0:0ed2a7c7190c 396 int msglen;
GordonSin 0:0ed2a7c7190c 397
GordonSin 0:0ed2a7c7190c 398 UPAPDEBUG(LOG_INFO, ("pap_rauth: Rcvd id %d.\n", id));
GordonSin 0:0ed2a7c7190c 399
GordonSin 0:0ed2a7c7190c 400 if (u->us_serverstate < UPAPSS_LISTEN) {
GordonSin 0:0ed2a7c7190c 401 return;
GordonSin 0:0ed2a7c7190c 402 }
GordonSin 0:0ed2a7c7190c 403
GordonSin 0:0ed2a7c7190c 404 /*
GordonSin 0:0ed2a7c7190c 405 * If we receive a duplicate authenticate-request, we are
GordonSin 0:0ed2a7c7190c 406 * supposed to return the same status as for the first request.
GordonSin 0:0ed2a7c7190c 407 */
GordonSin 0:0ed2a7c7190c 408 if (u->us_serverstate == UPAPSS_OPEN) {
GordonSin 0:0ed2a7c7190c 409 upap_sresp(u, UPAP_AUTHACK, id, "", 0); /* return auth-ack */
GordonSin 0:0ed2a7c7190c 410 return;
GordonSin 0:0ed2a7c7190c 411 }
GordonSin 0:0ed2a7c7190c 412 if (u->us_serverstate == UPAPSS_BADAUTH) {
GordonSin 0:0ed2a7c7190c 413 upap_sresp(u, UPAP_AUTHNAK, id, "", 0); /* return auth-nak */
GordonSin 0:0ed2a7c7190c 414 return;
GordonSin 0:0ed2a7c7190c 415 }
GordonSin 0:0ed2a7c7190c 416
GordonSin 0:0ed2a7c7190c 417 /*
GordonSin 0:0ed2a7c7190c 418 * Parse user/passwd.
GordonSin 0:0ed2a7c7190c 419 */
GordonSin 0:0ed2a7c7190c 420 if (len < (int)sizeof (u_char)) {
GordonSin 0:0ed2a7c7190c 421 UPAPDEBUG(LOG_INFO, ("pap_rauth: rcvd short packet.\n"));
GordonSin 0:0ed2a7c7190c 422 return;
GordonSin 0:0ed2a7c7190c 423 }
GordonSin 0:0ed2a7c7190c 424 GETCHAR(ruserlen, inp);
GordonSin 0:0ed2a7c7190c 425 len -= sizeof (u_char) + ruserlen + sizeof (u_char);
GordonSin 0:0ed2a7c7190c 426 if (len < 0) {
GordonSin 0:0ed2a7c7190c 427 UPAPDEBUG(LOG_INFO, ("pap_rauth: rcvd short packet.\n"));
GordonSin 0:0ed2a7c7190c 428 return;
GordonSin 0:0ed2a7c7190c 429 }
GordonSin 0:0ed2a7c7190c 430 ruser = (char *) inp;
GordonSin 0:0ed2a7c7190c 431 INCPTR(ruserlen, inp);
GordonSin 0:0ed2a7c7190c 432 GETCHAR(rpasswdlen, inp);
GordonSin 0:0ed2a7c7190c 433 if (len < rpasswdlen) {
GordonSin 0:0ed2a7c7190c 434 UPAPDEBUG(LOG_INFO, ("pap_rauth: rcvd short packet.\n"));
GordonSin 0:0ed2a7c7190c 435 return;
GordonSin 0:0ed2a7c7190c 436 }
GordonSin 0:0ed2a7c7190c 437 rpasswd = (char *) inp;
GordonSin 0:0ed2a7c7190c 438
GordonSin 0:0ed2a7c7190c 439 /*
GordonSin 0:0ed2a7c7190c 440 * Check the username and password given.
GordonSin 0:0ed2a7c7190c 441 */
GordonSin 0:0ed2a7c7190c 442 retcode = check_passwd(u->us_unit, ruser, ruserlen, rpasswd, rpasswdlen, &msg, &msglen);
GordonSin 0:0ed2a7c7190c 443 /* lwip: currently retcode is always UPAP_AUTHACK */
GordonSin 0:0ed2a7c7190c 444 BZERO(rpasswd, rpasswdlen);
GordonSin 0:0ed2a7c7190c 445
GordonSin 0:0ed2a7c7190c 446 upap_sresp(u, retcode, id, msg, msglen);
GordonSin 0:0ed2a7c7190c 447
GordonSin 0:0ed2a7c7190c 448 if (retcode == UPAP_AUTHACK) {
GordonSin 0:0ed2a7c7190c 449 u->us_serverstate = UPAPSS_OPEN;
GordonSin 0:0ed2a7c7190c 450 auth_peer_success(u->us_unit, PPP_PAP, ruser, ruserlen);
GordonSin 0:0ed2a7c7190c 451 } else {
GordonSin 0:0ed2a7c7190c 452 u->us_serverstate = UPAPSS_BADAUTH;
GordonSin 0:0ed2a7c7190c 453 auth_peer_fail(u->us_unit, PPP_PAP);
GordonSin 0:0ed2a7c7190c 454 }
GordonSin 0:0ed2a7c7190c 455
GordonSin 0:0ed2a7c7190c 456 if (u->us_reqtimeout > 0) {
GordonSin 0:0ed2a7c7190c 457 UNTIMEOUT(upap_reqtimeout, u);
GordonSin 0:0ed2a7c7190c 458 }
GordonSin 0:0ed2a7c7190c 459 }
GordonSin 0:0ed2a7c7190c 460
GordonSin 0:0ed2a7c7190c 461
GordonSin 0:0ed2a7c7190c 462 /*
GordonSin 0:0ed2a7c7190c 463 * upap_rauthack - Receive Authenticate-Ack.
GordonSin 0:0ed2a7c7190c 464 */
GordonSin 0:0ed2a7c7190c 465 static void
GordonSin 0:0ed2a7c7190c 466 upap_rauthack(upap_state *u, u_char *inp, int id, int len)
GordonSin 0:0ed2a7c7190c 467 {
GordonSin 0:0ed2a7c7190c 468 u_char msglen;
GordonSin 0:0ed2a7c7190c 469 char *msg;
GordonSin 0:0ed2a7c7190c 470
GordonSin 0:0ed2a7c7190c 471 LWIP_UNUSED_ARG(id);
GordonSin 0:0ed2a7c7190c 472
GordonSin 0:0ed2a7c7190c 473 UPAPDEBUG(LOG_INFO, ("pap_rauthack: Rcvd id %d s=%d\n", id, u->us_clientstate));
GordonSin 0:0ed2a7c7190c 474
GordonSin 0:0ed2a7c7190c 475 if (u->us_clientstate != UPAPCS_AUTHREQ) { /* XXX */
GordonSin 0:0ed2a7c7190c 476 UPAPDEBUG(LOG_INFO, ("pap_rauthack: us_clientstate != UPAPCS_AUTHREQ\n"));
GordonSin 0:0ed2a7c7190c 477 return;
GordonSin 0:0ed2a7c7190c 478 }
GordonSin 0:0ed2a7c7190c 479
GordonSin 0:0ed2a7c7190c 480 /*
GordonSin 0:0ed2a7c7190c 481 * Parse message.
GordonSin 0:0ed2a7c7190c 482 */
GordonSin 0:0ed2a7c7190c 483 if (len < (int)sizeof (u_char)) {
GordonSin 0:0ed2a7c7190c 484 UPAPDEBUG(LOG_INFO, ("pap_rauthack: ignoring missing msg-length.\n"));
GordonSin 0:0ed2a7c7190c 485 } else {
GordonSin 0:0ed2a7c7190c 486 GETCHAR(msglen, inp);
GordonSin 0:0ed2a7c7190c 487 if (msglen > 0) {
GordonSin 0:0ed2a7c7190c 488 len -= sizeof (u_char);
GordonSin 0:0ed2a7c7190c 489 if (len < msglen) {
GordonSin 0:0ed2a7c7190c 490 UPAPDEBUG(LOG_INFO, ("pap_rauthack: rcvd short packet.\n"));
GordonSin 0:0ed2a7c7190c 491 return;
GordonSin 0:0ed2a7c7190c 492 }
GordonSin 0:0ed2a7c7190c 493 msg = (char *) inp;
GordonSin 0:0ed2a7c7190c 494 PRINTMSG(msg, msglen);
GordonSin 0:0ed2a7c7190c 495 }
GordonSin 0:0ed2a7c7190c 496 }
GordonSin 0:0ed2a7c7190c 497 UNTIMEOUT(upap_timeout, u); /* Cancel timeout */
GordonSin 0:0ed2a7c7190c 498 u->us_clientstate = UPAPCS_OPEN;
GordonSin 0:0ed2a7c7190c 499
GordonSin 0:0ed2a7c7190c 500 auth_withpeer_success(u->us_unit, PPP_PAP);
GordonSin 0:0ed2a7c7190c 501 }
GordonSin 0:0ed2a7c7190c 502
GordonSin 0:0ed2a7c7190c 503
GordonSin 0:0ed2a7c7190c 504 /*
GordonSin 0:0ed2a7c7190c 505 * upap_rauthnak - Receive Authenticate-Nak.
GordonSin 0:0ed2a7c7190c 506 */
GordonSin 0:0ed2a7c7190c 507 static void
GordonSin 0:0ed2a7c7190c 508 upap_rauthnak(upap_state *u, u_char *inp, int id, int len)
GordonSin 0:0ed2a7c7190c 509 {
GordonSin 0:0ed2a7c7190c 510 u_char msglen;
GordonSin 0:0ed2a7c7190c 511 char *msg;
GordonSin 0:0ed2a7c7190c 512
GordonSin 0:0ed2a7c7190c 513 LWIP_UNUSED_ARG(id);
GordonSin 0:0ed2a7c7190c 514
GordonSin 0:0ed2a7c7190c 515 UPAPDEBUG(LOG_INFO, ("pap_rauthnak: Rcvd id %d s=%d\n", id, u->us_clientstate));
GordonSin 0:0ed2a7c7190c 516
GordonSin 0:0ed2a7c7190c 517 if (u->us_clientstate != UPAPCS_AUTHREQ) { /* XXX */
GordonSin 0:0ed2a7c7190c 518 return;
GordonSin 0:0ed2a7c7190c 519 }
GordonSin 0:0ed2a7c7190c 520
GordonSin 0:0ed2a7c7190c 521 /*
GordonSin 0:0ed2a7c7190c 522 * Parse message.
GordonSin 0:0ed2a7c7190c 523 */
GordonSin 0:0ed2a7c7190c 524 if (len < sizeof (u_char)) {
GordonSin 0:0ed2a7c7190c 525 UPAPDEBUG(LOG_INFO, ("pap_rauthnak: ignoring missing msg-length.\n"));
GordonSin 0:0ed2a7c7190c 526 } else {
GordonSin 0:0ed2a7c7190c 527 GETCHAR(msglen, inp);
GordonSin 0:0ed2a7c7190c 528 if(msglen > 0) {
GordonSin 0:0ed2a7c7190c 529 len -= sizeof (u_char);
GordonSin 0:0ed2a7c7190c 530 if (len < msglen) {
GordonSin 0:0ed2a7c7190c 531 UPAPDEBUG(LOG_INFO, ("pap_rauthnak: rcvd short packet.\n"));
GordonSin 0:0ed2a7c7190c 532 return;
GordonSin 0:0ed2a7c7190c 533 }
GordonSin 0:0ed2a7c7190c 534 msg = (char *) inp;
GordonSin 0:0ed2a7c7190c 535 PRINTMSG(msg, msglen);
GordonSin 0:0ed2a7c7190c 536 }
GordonSin 0:0ed2a7c7190c 537 }
GordonSin 0:0ed2a7c7190c 538
GordonSin 0:0ed2a7c7190c 539 u->us_clientstate = UPAPCS_BADAUTH;
GordonSin 0:0ed2a7c7190c 540
GordonSin 0:0ed2a7c7190c 541 UPAPDEBUG(LOG_ERR, ("PAP authentication failed\n"));
GordonSin 0:0ed2a7c7190c 542 auth_withpeer_fail(u->us_unit, PPP_PAP);
GordonSin 0:0ed2a7c7190c 543 }
GordonSin 0:0ed2a7c7190c 544
GordonSin 0:0ed2a7c7190c 545
GordonSin 0:0ed2a7c7190c 546 /*
GordonSin 0:0ed2a7c7190c 547 * upap_sauthreq - Send an Authenticate-Request.
GordonSin 0:0ed2a7c7190c 548 */
GordonSin 0:0ed2a7c7190c 549 static void
GordonSin 0:0ed2a7c7190c 550 upap_sauthreq(upap_state *u)
GordonSin 0:0ed2a7c7190c 551 {
GordonSin 0:0ed2a7c7190c 552 u_char *outp;
GordonSin 0:0ed2a7c7190c 553 int outlen;
GordonSin 0:0ed2a7c7190c 554
GordonSin 0:0ed2a7c7190c 555 outlen = UPAP_HEADERLEN + 2 * sizeof (u_char)
GordonSin 0:0ed2a7c7190c 556 + u->us_userlen + u->us_passwdlen;
GordonSin 0:0ed2a7c7190c 557 outp = outpacket_buf[u->us_unit];
GordonSin 0:0ed2a7c7190c 558
GordonSin 0:0ed2a7c7190c 559 MAKEHEADER(outp, PPP_PAP);
GordonSin 0:0ed2a7c7190c 560
GordonSin 0:0ed2a7c7190c 561 PUTCHAR(UPAP_AUTHREQ, outp);
GordonSin 0:0ed2a7c7190c 562 PUTCHAR(++u->us_id, outp);
GordonSin 0:0ed2a7c7190c 563 PUTSHORT(outlen, outp);
GordonSin 0:0ed2a7c7190c 564 PUTCHAR(u->us_userlen, outp);
GordonSin 0:0ed2a7c7190c 565 BCOPY(u->us_user, outp, u->us_userlen);
GordonSin 0:0ed2a7c7190c 566 INCPTR(u->us_userlen, outp);
GordonSin 0:0ed2a7c7190c 567 PUTCHAR(u->us_passwdlen, outp);
GordonSin 0:0ed2a7c7190c 568 BCOPY(u->us_passwd, outp, u->us_passwdlen);
GordonSin 0:0ed2a7c7190c 569
GordonSin 0:0ed2a7c7190c 570 pppWrite(u->us_unit, outpacket_buf[u->us_unit], outlen + PPP_HDRLEN);
GordonSin 0:0ed2a7c7190c 571
GordonSin 0:0ed2a7c7190c 572 UPAPDEBUG(LOG_INFO, ("pap_sauth: Sent id %d\n", u->us_id));
GordonSin 0:0ed2a7c7190c 573
GordonSin 0:0ed2a7c7190c 574 TIMEOUT(upap_timeout, u, u->us_timeouttime);
GordonSin 0:0ed2a7c7190c 575 ++u->us_transmits;
GordonSin 0:0ed2a7c7190c 576 u->us_clientstate = UPAPCS_AUTHREQ;
GordonSin 0:0ed2a7c7190c 577 }
GordonSin 0:0ed2a7c7190c 578
GordonSin 0:0ed2a7c7190c 579
GordonSin 0:0ed2a7c7190c 580 /*
GordonSin 0:0ed2a7c7190c 581 * upap_sresp - Send a response (ack or nak).
GordonSin 0:0ed2a7c7190c 582 */
GordonSin 0:0ed2a7c7190c 583 static void
GordonSin 0:0ed2a7c7190c 584 upap_sresp(upap_state *u, u_char code, u_char id, char *msg, int msglen)
GordonSin 0:0ed2a7c7190c 585 {
GordonSin 0:0ed2a7c7190c 586 u_char *outp;
GordonSin 0:0ed2a7c7190c 587 int outlen;
GordonSin 0:0ed2a7c7190c 588
GordonSin 0:0ed2a7c7190c 589 outlen = UPAP_HEADERLEN + sizeof (u_char) + msglen;
GordonSin 0:0ed2a7c7190c 590 outp = outpacket_buf[u->us_unit];
GordonSin 0:0ed2a7c7190c 591 MAKEHEADER(outp, PPP_PAP);
GordonSin 0:0ed2a7c7190c 592
GordonSin 0:0ed2a7c7190c 593 PUTCHAR(code, outp);
GordonSin 0:0ed2a7c7190c 594 PUTCHAR(id, outp);
GordonSin 0:0ed2a7c7190c 595 PUTSHORT(outlen, outp);
GordonSin 0:0ed2a7c7190c 596 PUTCHAR(msglen, outp);
GordonSin 0:0ed2a7c7190c 597 BCOPY(msg, outp, msglen);
GordonSin 0:0ed2a7c7190c 598 pppWrite(u->us_unit, outpacket_buf[u->us_unit], outlen + PPP_HDRLEN);
GordonSin 0:0ed2a7c7190c 599
GordonSin 0:0ed2a7c7190c 600 UPAPDEBUG(LOG_INFO, ("pap_sresp: Sent code %d, id %d s=%d\n", code, id, u->us_clientstate));
GordonSin 0:0ed2a7c7190c 601 }
GordonSin 0:0ed2a7c7190c 602
GordonSin 0:0ed2a7c7190c 603 #if PPP_ADDITIONAL_CALLBACKS
GordonSin 0:0ed2a7c7190c 604 static char *upap_codenames[] = {
GordonSin 0:0ed2a7c7190c 605 "AuthReq", "AuthAck", "AuthNak"
GordonSin 0:0ed2a7c7190c 606 };
GordonSin 0:0ed2a7c7190c 607
GordonSin 0:0ed2a7c7190c 608 /*
GordonSin 0:0ed2a7c7190c 609 * upap_printpkt - print the contents of a PAP packet.
GordonSin 0:0ed2a7c7190c 610 */
GordonSin 0:0ed2a7c7190c 611 static int upap_printpkt(
GordonSin 0:0ed2a7c7190c 612 u_char *p,
GordonSin 0:0ed2a7c7190c 613 int plen,
GordonSin 0:0ed2a7c7190c 614 void (*printer) (void *, char *, ...),
GordonSin 0:0ed2a7c7190c 615 void *arg
GordonSin 0:0ed2a7c7190c 616 )
GordonSin 0:0ed2a7c7190c 617 {
GordonSin 0:0ed2a7c7190c 618 LWIP_UNUSED_ARG(p);
GordonSin 0:0ed2a7c7190c 619 LWIP_UNUSED_ARG(plen);
GordonSin 0:0ed2a7c7190c 620 LWIP_UNUSED_ARG(printer);
GordonSin 0:0ed2a7c7190c 621 LWIP_UNUSED_ARG(arg);
GordonSin 0:0ed2a7c7190c 622 return 0;
GordonSin 0:0ed2a7c7190c 623 }
GordonSin 0:0ed2a7c7190c 624 #endif /* PPP_ADDITIONAL_CALLBACKS */
GordonSin 0:0ed2a7c7190c 625
GordonSin 0:0ed2a7c7190c 626 #endif /* PAP_SUPPORT */
GordonSin 0:0ed2a7c7190c 627
GordonSin 0:0ed2a7c7190c 628 #endif /* PPP_SUPPORT */