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Reorganised PPP source code from ucip structure to pppd structure to easily compare our code against the pppd code (around v2.3.1)

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goldsimon 2009-12-31 17:08:08 +00:00
parent a7bcdf4398
commit 1d45aa8d45
11 changed files with 629 additions and 781 deletions
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4
CHANGELOG
View File

@ -33,6 +33,10 @@ HISTORY
++ Bugfixes: ++ Bugfixes:
2009-12-31: Simon Goldschmidt
* many ppp files: Reorganised PPP source code from ucip structure to pppd
structure to easily compare our code against the pppd code (around v2.3.1)
2009-12-27: Simon Goldschmidt 2009-12-27: Simon Goldschmidt
* tcp_in.c: Another fix for bug #28241 (ooseq processing) and adapted * tcp_in.c: Another fix for bug #28241 (ooseq processing) and adapted
unit test unit test

311
src/netif/ppp/auth.c
View File

@ -320,6 +320,51 @@ link_established(int unit)
} }
} }
/*
* Proceed to the network phase.
*/
static void
network_phase(int unit)
{
int i;
struct protent *protp;
lcp_options *go = &lcp_gotoptions[unit];
/*
* If the peer had to authenticate, run the auth-up script now.
*/
if ((go->neg_chap || go->neg_upap) && !did_authup) {
/* XXX Do setup for peer authentication. */
did_authup = 1;
}
#if CBCP_SUPPORT
/*
* If we negotiated callback, do it now.
*/
if (go->neg_cbcp) {
lcp_phase[unit] = PHASE_CALLBACK;
(*cbcp_protent.open)(unit);
return;
}
#endif /* CBCP_SUPPORT */
lcp_phase[unit] = PHASE_NETWORK;
for (i = 0; (protp = ppp_protocols[i]) != NULL; ++i) {
if (protp->protocol < 0xC000 && protp->enabled_flag && protp->open != NULL) {
(*protp->open)(unit);
if (protp->protocol != PPP_CCP) {
++num_np_open;
}
}
}
if (num_np_open == 0) {
/* nothing to do */
lcp_close(0, "No network protocols running");
}
}
/* /*
* The peer has failed to authenticate himself using `protocol'. * The peer has failed to authenticate himself using `protocol'.
*/ */
@ -395,6 +440,8 @@ auth_withpeer_fail(int unit, u16_t protocol)
* not necessarily the PPP connection. It works here as long * not necessarily the PPP connection. It works here as long
* as we are only supporting PPP interfaces. * as we are only supporting PPP interfaces.
*/ */
/* @todo: Remove pppIOCtl, it is not used anywhere else.
Instead, directly set errCode. */
pppIOCtl(unit, PPPCTLS_ERRCODE, &errCode); pppIOCtl(unit, PPPCTLS_ERRCODE, &errCode);
/* /*
@ -500,6 +547,85 @@ np_finished(int unit, u16_t proto)
} }
} }
/*
* check_idle - check whether the link has been idle for long
* enough that we can shut it down.
*/
static void
check_idle(void *arg)
{
struct ppp_idle idle;
u_short itime;
LWIP_UNUSED_ARG(arg);
if (!get_idle_time(0, &idle)) {
return;
}
itime = LWIP_MIN(idle.xmit_idle, idle.recv_idle);
if (itime >= ppp_settings.idle_time_limit) {
/* link is idle: shut it down. */
AUTHDEBUG((LOG_INFO, "Terminating connection due to lack of activity.\n"));
lcp_close(0, "Link inactive");
} else {
TIMEOUT(check_idle, NULL, ppp_settings.idle_time_limit - itime);
}
}
/*
* connect_time_expired - log a message and close the connection.
*/
static void
connect_time_expired(void *arg)
{
LWIP_UNUSED_ARG(arg);
AUTHDEBUG((LOG_INFO, "Connect time expired\n"));
lcp_close(0, "Connect time expired"); /* Close connection */
}
#if 0 /* UNUSED */
/*
* auth_check_options - called to check authentication options.
*/
void
auth_check_options(void)
{
lcp_options *wo = &lcp_wantoptions[0];
int can_auth;
ipcp_options *ipwo = &ipcp_wantoptions[0];
u32_t remote;
/* Default our_name to hostname, and user to our_name */
if (ppp_settings.our_name[0] == 0 || ppp_settings.usehostname) {
strcpy(ppp_settings.our_name, ppp_settings.hostname);
}
if (ppp_settings.user[0] == 0) {
strcpy(ppp_settings.user, ppp_settings.our_name);
}
/* If authentication is required, ask peer for CHAP or PAP. */
if (ppp_settings.auth_required && !wo->neg_chap && !wo->neg_upap) {
wo->neg_chap = 1;
wo->neg_upap = 1;
}
/*
* Check whether we have appropriate secrets to use
* to authenticate the peer.
*/
can_auth = wo->neg_upap && have_pap_secret();
if (!can_auth && wo->neg_chap) {
remote = ipwo->accept_remote? 0: ipwo->hisaddr;
can_auth = have_chap_secret(ppp_settings.remote_name, ppp_settings.our_name, remote);
}
if (ppp_settings.auth_required && !can_auth) {
ppp_panic("No auth secret");
}
}
#endif
/* /*
* auth_reset - called when LCP is starting negotiations to recheck * auth_reset - called when LCP is starting negotiations to recheck
* authentication options, i.e. whether we have appropriate secrets * authentication options, i.e. whether we have appropriate secrets
@ -542,7 +668,7 @@ auth_reset(int unit)
int int
check_passwd( int unit, char *auser, int userlen, char *apasswd, int passwdlen, char **msg, int *msglen) check_passwd( int unit, char *auser, int userlen, char *apasswd, int passwdlen, char **msg, int *msglen)
{ {
#if 1 #if 1 /* XXX Assume all entries OK. */
LWIP_UNUSED_ARG(unit); LWIP_UNUSED_ARG(unit);
LWIP_UNUSED_ARG(auser); LWIP_UNUSED_ARG(auser);
LWIP_UNUSED_ARG(userlen); LWIP_UNUSED_ARG(userlen);
@ -585,7 +711,10 @@ check_passwd( int unit, char *auser, int userlen, char *apasswd, int passwdlen,
/*ppp_panic("Excess Bad Logins");*/ /*ppp_panic("Excess Bad Logins");*/
} }
if (attempts > 3) { if (attempts > 3) {
sys_msleep((attempts - 3) * 5); /* @todo: this was sleep(), i.e. seconds, not milliseconds
* I don't think we really need this in lwIP - we would block tcpip_thread!
*/
/*sys_msleep((attempts - 3) * 5);*/
} }
if (addrs != NULL) { if (addrs != NULL) {
free_wordlist(addrs); free_wordlist(addrs);
@ -608,30 +737,6 @@ check_passwd( int unit, char *auser, int userlen, char *apasswd, int passwdlen,
#endif /* PAP_SUPPORT */ #endif /* PAP_SUPPORT */
/*
* auth_ip_addr - check whether the peer is authorized to use
* a given IP address. Returns 1 if authorized, 0 otherwise.
*/
int
auth_ip_addr(int unit, u32_t addr)
{
return ip_addr_check(addr, addresses[unit]);
}
/*
* bad_ip_adrs - return 1 if the IP address is one we don't want
* to use, such as an address in the loopback net or a multicast address.
* addr is in network byte order.
*/
int
bad_ip_adrs(u32_t addr)
{
addr = ntohl(addr);
return (addr >> IN_CLASSA_NSHIFT) == IN_LOOPBACKNET
|| IN_MULTICAST(addr) || IN_BADCLASS(addr);
}
#if CHAP_SUPPORT #if CHAP_SUPPORT
/* /*
* get_secret - open the CHAP secret file and return the secret * get_secret - open the CHAP secret file and return the secret
@ -696,135 +801,6 @@ int get_secret( int unit, char *client, char *server, char *secret, int *secret_
} }
#endif /* CHAP_SUPPORT */ #endif /* CHAP_SUPPORT */
#if 0 /* UNUSED */
/*
* auth_check_options - called to check authentication options.
*/
void
auth_check_options(void)
{
lcp_options *wo = &lcp_wantoptions[0];
int can_auth;
ipcp_options *ipwo = &ipcp_wantoptions[0];
u32_t remote;
/* Default our_name to hostname, and user to our_name */
if (ppp_settings.our_name[0] == 0 || ppp_settings.usehostname) {
strcpy(ppp_settings.our_name, ppp_settings.hostname);
}
if (ppp_settings.user[0] == 0) {
strcpy(ppp_settings.user, ppp_settings.our_name);
}
/* If authentication is required, ask peer for CHAP or PAP. */
if (ppp_settings.auth_required && !wo->neg_chap && !wo->neg_upap) {
wo->neg_chap = 1;
wo->neg_upap = 1;
}
/*
* Check whether we have appropriate secrets to use
* to authenticate the peer.
*/
can_auth = wo->neg_upap && have_pap_secret();
if (!can_auth && wo->neg_chap) {
remote = ipwo->accept_remote? 0: ipwo->hisaddr;
can_auth = have_chap_secret(ppp_settings.remote_name, ppp_settings.our_name, remote);
}
if (ppp_settings.auth_required && !can_auth) {
ppp_panic("No auth secret");
}
}
#endif
/**********************************/
/*** LOCAL FUNCTION DEFINITIONS ***/
/**********************************/
/*
* Proceed to the network phase.
*/
static void
network_phase(int unit)
{
int i;
struct protent *protp;
lcp_options *go = &lcp_gotoptions[unit];
/*
* If the peer had to authenticate, run the auth-up script now.
*/
if ((go->neg_chap || go->neg_upap) && !did_authup) {
/* XXX Do setup for peer authentication. */
did_authup = 1;
}
#if CBCP_SUPPORT
/*
* If we negotiated callback, do it now.
*/
if (go->neg_cbcp) {
lcp_phase[unit] = PHASE_CALLBACK;
(*cbcp_protent.open)(unit);
return;
}
#endif /* CBCP_SUPPORT */
lcp_phase[unit] = PHASE_NETWORK;
for (i = 0; (protp = ppp_protocols[i]) != NULL; ++i) {
if (protp->protocol < 0xC000 && protp->enabled_flag && protp->open != NULL) {
(*protp->open)(unit);
if (protp->protocol != PPP_CCP) {
++num_np_open;
}
}
}
if (num_np_open == 0) {
/* nothing to do */
lcp_close(0, "No network protocols running");
}
}
/*
* check_idle - check whether the link has been idle for long
* enough that we can shut it down.
*/
static void
check_idle(void *arg)
{
struct ppp_idle idle;
u_short itime;
LWIP_UNUSED_ARG(arg);
if (!get_idle_time(0, &idle)) {
return;
}
itime = LWIP_MIN(idle.xmit_idle, idle.recv_idle);
if (itime >= ppp_settings.idle_time_limit) {
/* link is idle: shut it down. */
AUTHDEBUG((LOG_INFO, "Terminating connection due to lack of activity.\n"));
lcp_close(0, "Link inactive");
} else {
TIMEOUT(check_idle, NULL, ppp_settings.idle_time_limit - itime);
}
}
/*
* connect_time_expired - log a message and close the connection.
*/
static void
connect_time_expired(void *arg)
{
LWIP_UNUSED_ARG(arg);
AUTHDEBUG((LOG_INFO, "Connect time expired\n"));
lcp_close(0, "Connect time expired"); /* Close connection */
}
#if 0 #if 0
/* /*
* login - Check the user name and password against the system * login - Check the user name and password against the system
@ -878,6 +854,8 @@ get_pap_passwd(int unit, char *user, char *passwd)
but this causes problems with some providers (like CHT in Taiwan) but this causes problems with some providers (like CHT in Taiwan)
who incorrectly request PAP and expect a bogus/empty password, so who incorrectly request PAP and expect a bogus/empty password, so
always provide a default user/passwd of "none"/"none" always provide a default user/passwd of "none"/"none"
@todo: This should be configured by the user, instead of being hardcoded here!
*/ */
if(user) { if(user) {
strcpy(user, "none"); strcpy(user, "none");
@ -954,6 +932,16 @@ set_allowed_addrs(int unit, struct wordlist *addrs)
} }
#endif /* 0 */ /* PAP_SUPPORT || CHAP_SUPPORT */ #endif /* 0 */ /* PAP_SUPPORT || CHAP_SUPPORT */
/*
* auth_ip_addr - check whether the peer is authorized to use
* a given IP address. Returns 1 if authorized, 0 otherwise.
*/
int
auth_ip_addr(int unit, u32_t addr)
{
return ip_addr_check(addr, addresses[unit]);
}
static int static int
ip_addr_check(u32_t addr, struct wordlist *addrs) ip_addr_check(u32_t addr, struct wordlist *addrs)
{ {
@ -970,6 +958,19 @@ ip_addr_check(u32_t addr, struct wordlist *addrs)
return 1; return 1;
} }
/*
* bad_ip_adrs - return 1 if the IP address is one we don't want
* to use, such as an address in the loopback net or a multicast address.
* addr is in network byte order.
*/
int
bad_ip_adrs(u32_t addr)
{
addr = ntohl(addr);
return (addr >> IN_CLASSA_NSHIFT) == IN_LOOPBACKNET
|| IN_MULTICAST(addr) || IN_BADCLASS(addr);
}
#if 0 /* PAP_SUPPORT || CHAP_SUPPORT */ #if 0 /* PAP_SUPPORT || CHAP_SUPPORT */
/* /*
* free_wordlist - release memory allocated for a wordlist. * free_wordlist - release memory allocated for a wordlist.

140
src/netif/ppp/chap.c
View File

@ -84,19 +84,6 @@
#include <string.h> #include <string.h>
/*************************/
/*** LOCAL DEFINITIONS ***/
/*************************/
/************************/
/*** LOCAL DATA TYPES ***/
/************************/
/***********************************/
/*** LOCAL FUNCTION DECLARATIONS ***/
/***********************************/
/* /*
* Protocol entry points. * Protocol entry points.
*/ */
@ -105,10 +92,34 @@ static void ChapLowerUp (int);
static void ChapLowerDown (int); static void ChapLowerDown (int);
static void ChapInput (int, u_char *, int); static void ChapInput (int, u_char *, int);
static void ChapProtocolReject (int); static void ChapProtocolReject (int);
#if 0 #if PPP_ADDITIONAL_CALLBACKS
static int ChapPrintPkt (u_char *, int, void (*) (void *, char *, ...), void *); static int ChapPrintPkt (u_char *, int, void (*) (void *, char *, ...), void *);
#endif #endif
struct protent chap_protent = {
PPP_CHAP,
ChapInit,
ChapInput,
ChapProtocolReject,
ChapLowerUp,
ChapLowerDown,
NULL,
NULL,
#if PPP_ADDITIONAL_CALLBACKS
ChapPrintPkt,
NULL,
#endif /* PPP_ADDITIONAL_CALLBACKS */
1,
"CHAP",
#if PPP_ADDITIONAL_CALLBACKS
NULL,
NULL,
NULL
#endif /* PPP_ADDITIONAL_CALLBACKS */
};
chap_state chap[NUM_PPP]; /* CHAP state; one for each unit */
static void ChapChallengeTimeout (void *); static void ChapChallengeTimeout (void *);
static void ChapResponseTimeout (void *); static void ChapResponseTimeout (void *);
static void ChapReceiveChallenge (chap_state *, u_char *, int, int); static void ChapReceiveChallenge (chap_state *, u_char *, int, int);
@ -121,38 +132,24 @@ static void ChapSendChallenge (chap_state *);
static void ChapSendResponse (chap_state *); static void ChapSendResponse (chap_state *);
static void ChapGenChallenge (chap_state *); static void ChapGenChallenge (chap_state *);
/*
* ChapInit - Initialize a CHAP unit.
*/
static void
ChapInit(int unit)
{
chap_state *cstate = &chap[unit];
/******************************/ BZERO(cstate, sizeof(*cstate));
/*** PUBLIC DATA STRUCTURES ***/ cstate->unit = unit;
/******************************/ cstate->clientstate = CHAPCS_INITIAL;
chap_state chap[NUM_PPP]; /* CHAP state; one for each unit */ cstate->serverstate = CHAPSS_INITIAL;
cstate->timeouttime = CHAP_DEFTIMEOUT;
struct protent chap_protent = { cstate->max_transmits = CHAP_DEFTRANSMITS;
PPP_CHAP, /* random number generator is initialized in magic_init */
ChapInit, }
ChapInput,
ChapProtocolReject,
ChapLowerUp,
ChapLowerDown,
NULL,
NULL,
#if 0
ChapPrintPkt,
NULL,
#endif
1,
"CHAP",
#if 0
NULL,
NULL,
NULL
#endif
};
/***********************************/
/*** PUBLIC FUNCTION DEFINITIONS ***/
/***********************************/
/* /*
* ChapAuthWithPeer - Authenticate us with our peer (start client). * ChapAuthWithPeer - Authenticate us with our peer (start client).
* *
@ -205,27 +202,6 @@ ChapAuthPeer(int unit, char *our_name, int digest)
} }
/**********************************/
/*** LOCAL FUNCTION DEFINITIONS ***/
/**********************************/
/*
* ChapInit - Initialize a CHAP unit.
*/
static void
ChapInit(int unit)
{
chap_state *cstate = &chap[unit];
BZERO(cstate, sizeof(*cstate));
cstate->unit = unit;
cstate->clientstate = CHAPCS_INITIAL;
cstate->serverstate = CHAPSS_INITIAL;
cstate->timeouttime = CHAP_DEFTIMEOUT;
cstate->max_transmits = CHAP_DEFTRANSMITS;
/* random number generator is initialized in magic_init */
}
/* /*
* ChapChallengeTimeout - Timeout expired on sending challenge. * ChapChallengeTimeout - Timeout expired on sending challenge.
*/ */
@ -463,19 +439,23 @@ ChapReceiveChallenge(chap_state *cstate, u_char *inp, int id, int len)
BCOPY(inp, rhostname, len); BCOPY(inp, rhostname, len);
rhostname[len] = '\000'; rhostname[len] = '\000';
CHAPDEBUG((LOG_INFO, "ChapReceiveChallenge: received name field '%s'\n", rhostname)); CHAPDEBUG((LOG_INFO, "ChapReceiveChallenge: received name field '%s'\n",
rhostname));
/* Microsoft doesn't send their name back in the PPP packet */ /* Microsoft doesn't send their name back in the PPP packet */
if (ppp_settings.remote_name[0] != 0 && (ppp_settings.explicit_remote || rhostname[0] == 0)) { if (ppp_settings.remote_name[0] != 0 && (ppp_settings.explicit_remote || rhostname[0] == 0)) {
strncpy(rhostname, ppp_settings.remote_name, sizeof(rhostname)); strncpy(rhostname, ppp_settings.remote_name, sizeof(rhostname));
rhostname[sizeof(rhostname) - 1] = 0; rhostname[sizeof(rhostname) - 1] = 0;
CHAPDEBUG((LOG_INFO, "ChapReceiveChallenge: using '%s' as remote name\n", rhostname)); CHAPDEBUG((LOG_INFO, "ChapReceiveChallenge: using '%s' as remote name\n",
rhostname));
} }
/* get secret for authenticating ourselves with the specified host */ /* get secret for authenticating ourselves with the specified host */
if (!get_secret(cstate->unit, cstate->resp_name, rhostname, secret, &secret_len, 0)) { if (!get_secret(cstate->unit, cstate->resp_name, rhostname,
secret, &secret_len, 0)) {
secret_len = 0; /* assume null secret if can't find one */ secret_len = 0; /* assume null secret if can't find one */
CHAPDEBUG((LOG_WARNING, "No CHAP secret found for authenticating us to %s\n", rhostname)); CHAPDEBUG((LOG_WARNING, "No CHAP secret found for authenticating us to %s\n",
rhostname));
} }
/* cancel response send timeout if necessary */ /* cancel response send timeout if necessary */
@ -499,7 +479,7 @@ ChapReceiveChallenge(chap_state *cstate, u_char *inp, int id, int len)
cstate->resp_length = MD5_SIGNATURE_SIZE; cstate->resp_length = MD5_SIGNATURE_SIZE;
break; break;
#ifdef CHAPMS #if MSCHAP_SUPPORT
case CHAP_MICROSOFT: case CHAP_MICROSOFT:
ChapMS(cstate, rchallenge, rchallenge_len, secret, secret_len); ChapMS(cstate, rchallenge, rchallenge_len, secret, secret_len);
break; break;
@ -578,15 +558,16 @@ ChapReceiveResponse(chap_state *cstate, u_char *inp, int id, int len)
BCOPY(inp, rhostname, len); BCOPY(inp, rhostname, len);
rhostname[len] = '\000'; rhostname[len] = '\000';
CHAPDEBUG((LOG_INFO, "ChapReceiveResponse: received name field: %s\n", rhostname)); CHAPDEBUG((LOG_INFO, "ChapReceiveResponse: received name field: %s\n",
rhostname));
/* /*
* Get secret for authenticating them with us, * Get secret for authenticating them with us,
* do the hash ourselves, and compare the result. * do the hash ourselves, and compare the result.
*/ */
code = CHAP_FAILURE; code = CHAP_FAILURE;
if (!get_secret(cstate->unit, rhostname, cstate->chal_name, secret, &secret_len, 1)) { if (!get_secret(cstate->unit, rhostname, cstate->chal_name,
/* CHAPDEBUG((LOG_WARNING, TL_CHAP, "No CHAP secret found for authenticating %s\n", rhostname)); */ secret, &secret_len, 1)) {
CHAPDEBUG((LOG_WARNING, "No CHAP secret found for authenticating %s\n", CHAPDEBUG((LOG_WARNING, "No CHAP secret found for authenticating %s\n",
rhostname)); rhostname));
} else { } else {
@ -651,7 +632,8 @@ ChapReceiveSuccess(chap_state *cstate, u_char *inp, u_char id, int len)
if (cstate->clientstate != CHAPCS_RESPONSE) { if (cstate->clientstate != CHAPCS_RESPONSE) {
/* don't know what this is */ /* don't know what this is */
CHAPDEBUG((LOG_INFO, "ChapReceiveSuccess: in state %d\n", cstate->clientstate)); CHAPDEBUG((LOG_INFO, "ChapReceiveSuccess: in state %d\n",
cstate->clientstate));
return; return;
} }
@ -683,7 +665,8 @@ ChapReceiveFailure(chap_state *cstate, u_char *inp, u_char id, int len)
if (cstate->clientstate != CHAPCS_RESPONSE) { if (cstate->clientstate != CHAPCS_RESPONSE) {
/* don't know what this is */ /* don't know what this is */
CHAPDEBUG((LOG_INFO, "ChapReceiveFailure: in state %d\n", cstate->clientstate)); CHAPDEBUG((LOG_INFO, "ChapReceiveFailure: in state %d\n",
cstate->clientstate));
return; return;
} }
@ -745,7 +728,7 @@ ChapSendStatus(chap_state *cstate, int code)
{ {
u_char *outp; u_char *outp;
int outlen, msglen; int outlen, msglen;
char msg[256]; char msg[256]; /* @todo: this can be a char*, no strcpy needed */
if (code == CHAP_SUCCESS) { if (code == CHAP_SUCCESS) {
strcpy(msg, "Welcome!"); strcpy(msg, "Welcome!");
@ -765,7 +748,8 @@ ChapSendStatus(chap_state *cstate, int code)
BCOPY(msg, outp, msglen); BCOPY(msg, outp, msglen);
pppWrite(cstate->unit, outpacket_buf[cstate->unit], outlen + PPP_HDRLEN); pppWrite(cstate->unit, outpacket_buf[cstate->unit], outlen + PPP_HDRLEN);
CHAPDEBUG((LOG_INFO, "ChapSendStatus: Sent code %d, id %d.\n", code, cstate->chal_id)); CHAPDEBUG((LOG_INFO, "ChapSendStatus: Sent code %d, id %d.\n", code,
cstate->chal_id));
} }
/* /*
@ -834,7 +818,7 @@ ChapSendResponse(chap_state *cstate)
++cstate->resp_transmits; ++cstate->resp_transmits;
} }
#if 0 #if PPP_ADDITIONAL_CALLBACKS
static char *ChapCodenames[] = { static char *ChapCodenames[] = {
"Challenge", "Response", "Success", "Failure" "Challenge", "Response", "Success", "Failure"
}; };
@ -896,7 +880,7 @@ ChapPrintPkt( u_char *p, int plen, void (*printer) (void *, char *, ...), void *
return len + CHAP_HEADERLEN; return len + CHAP_HEADERLEN;
} }
#endif #endif /* PPP_ADDITIONAL_CALLBACKS */
#endif /* CHAP_SUPPORT */ #endif /* CHAP_SUPPORT */

64
src/netif/ppp/chap.h
View File

@ -62,16 +62,12 @@
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
* *
* $Id: chap.h,v 1.4 2007/12/19 20:47:22 fbernon Exp $ * $Id: chap.h,v 1.5 2009/12/31 17:08:08 goldsimon Exp $
*/ */
#ifndef CHAP_H #ifndef CHAP_H
#define CHAP_H #define CHAP_H
/*************************
*** PUBLIC DEFINITIONS ***
*************************/
/* Code + ID + length */ /* Code + ID + length */
#define CHAP_HEADERLEN 4 #define CHAP_HEADERLEN 4
@ -96,31 +92,6 @@
#define MAX_CHALLENGE_LENGTH 64 #define MAX_CHALLENGE_LENGTH 64
#define MAX_RESPONSE_LENGTH 64 /* sufficient for MD5 or MS-CHAP */ #define MAX_RESPONSE_LENGTH 64 /* sufficient for MD5 or MS-CHAP */
/*
* Client (peer) states.
*/
#define CHAPCS_INITIAL 0 /* Lower layer down, not opened */
#define CHAPCS_CLOSED 1 /* Lower layer up, not opened */
#define CHAPCS_PENDING 2 /* Auth us to peer when lower up */
#define CHAPCS_LISTEN 3 /* Listening for a challenge */
#define CHAPCS_RESPONSE 4 /* Sent response, waiting for status */
#define CHAPCS_OPEN 5 /* We've received Success */
/*
* Server (authenticator) states.
*/
#define CHAPSS_INITIAL 0 /* Lower layer down, not opened */
#define CHAPSS_CLOSED 1 /* Lower layer up, not opened */
#define CHAPSS_PENDING 2 /* Auth peer when lower up */
#define CHAPSS_INITIAL_CHAL 3 /* We've sent the first challenge */
#define CHAPSS_OPEN 4 /* We've sent a Success msg */
#define CHAPSS_RECHALLENGE 5 /* We've sent another challenge */
#define CHAPSS_BADAUTH 6 /* We've sent a Failure msg */
/************************
*** PUBLIC DATA TYPES ***
************************/
/* /*
* Each interface is described by a chap structure. * Each interface is described by a chap structure.
*/ */
@ -148,19 +119,32 @@ typedef struct chap_state {
} chap_state; } chap_state;
/****************** /*
*** PUBLIC DATA *** * Client (peer) states.
******************/ */
#define CHAPCS_INITIAL 0 /* Lower layer down, not opened */
#define CHAPCS_CLOSED 1 /* Lower layer up, not opened */
#define CHAPCS_PENDING 2 /* Auth us to peer when lower up */
#define CHAPCS_LISTEN 3 /* Listening for a challenge */
#define CHAPCS_RESPONSE 4 /* Sent response, waiting for status */
#define CHAPCS_OPEN 5 /* We've received Success */
/*
* Server (authenticator) states.
*/
#define CHAPSS_INITIAL 0 /* Lower layer down, not opened */
#define CHAPSS_CLOSED 1 /* Lower layer up, not opened */
#define CHAPSS_PENDING 2 /* Auth peer when lower up */
#define CHAPSS_INITIAL_CHAL 3 /* We've sent the first challenge */
#define CHAPSS_OPEN 4 /* We've sent a Success msg */
#define CHAPSS_RECHALLENGE 5 /* We've sent another challenge */
#define CHAPSS_BADAUTH 6 /* We've sent a Failure msg */
extern chap_state chap[]; extern chap_state chap[];
extern struct protent chap_protent;
/***********************
*** PUBLIC FUNCTIONS ***
***********************/
void ChapAuthWithPeer (int, char *, int); void ChapAuthWithPeer (int, char *, int);
void ChapAuthPeer (int, char *, int); void ChapAuthPeer (int, char *, int);
extern struct protent chap_protent;
#endif /* CHAP_H */ #endif /* CHAP_H */

80
src/netif/ppp/chpms.c
View File

@ -85,6 +85,8 @@
#include "chap.h" #include "chap.h"
#include "chpms.h" #include "chpms.h"
#include <string.h>
/*************************/ /*************************/
/*** LOCAL DEFINITIONS ***/ /*** LOCAL DEFINITIONS ***/
@ -137,49 +139,12 @@ static u_char Get7Bits(
int startBit int startBit
); );
/***********************************/
/*** PUBLIC FUNCTION DEFINITIONS ***/
/***********************************/
void
ChapMS( chap_state *cstate, char *rchallenge, int rchallenge_len, char *secret, int secret_len)
{
MS_ChapResponse response;
#ifdef MSLANMAN
extern int ms_lanman;
#endif
#if 0
CHAPDEBUG((LOG_INFO, "ChapMS: secret is '%.*s'\n", secret_len, secret));
#endif
BZERO(&response, sizeof(response));
/* Calculate both always */
ChapMS_NT(rchallenge, rchallenge_len, secret, secret_len, &response);
#ifdef MSLANMAN
ChapMS_LANMan(rchallenge, rchallenge_len, secret, secret_len, &response);
/* prefered method is set by option */
response.UseNT = !ms_lanman;
#else
response.UseNT = 1;
#endif
BCOPY(&response, cstate->response, MS_CHAP_RESPONSE_LEN);
cstate->resp_length = MS_CHAP_RESPONSE_LEN;
}
/**********************************/
/*** LOCAL FUNCTION DEFINITIONS ***/
/**********************************/
static void static void
ChallengeResponse( u_char *challenge, /* IN 8 octets */ ChallengeResponse( u_char *challenge, /* IN 8 octets */
u_char *pwHash, /* IN 16 octets */ u_char *pwHash, /* IN 16 octets */
u_char *response /* OUT 24 octets */) u_char *response /* OUT 24 octets */)
{ {
char ZPasswordHash[21]; u_char ZPasswordHash[21];
BZERO(ZPasswordHash, sizeof(ZPasswordHash)); BZERO(ZPasswordHash, sizeof(ZPasswordHash));
BCOPY(pwHash, ZPasswordHash, 16); BCOPY(pwHash, ZPasswordHash, 16);
@ -211,7 +176,7 @@ DesEncrypt( u_char *clear, /* IN 8 octets */
MakeKey(key, des_key); MakeKey(key, des_key);
Expand(des_key, crypt_key); Expand(des_key, crypt_key);
setkey(crypt_key); setkey((char*)crypt_key);
#if 0 #if 0
CHAPDEBUG((LOG_INFO, "DesEncrypt: 8 octet input : %02X%02X%02X%02X%02X%02X%02X%02X\n", CHAPDEBUG((LOG_INFO, "DesEncrypt: 8 octet input : %02X%02X%02X%02X%02X%02X%02X%02X\n",
@ -219,7 +184,7 @@ DesEncrypt( u_char *clear, /* IN 8 octets */
#endif #endif
Expand(clear, des_input); Expand(clear, des_input);
encrypt(des_input, 0); encrypt((char*)des_input, 0);
Collapse(des_input, cipher); Collapse(des_input, cipher);
#if 0 #if 0
@ -348,6 +313,8 @@ ChapMS_NT( char *rchallenge,
u_char unicodePassword[MAX_NT_PASSWORD * 2]; u_char unicodePassword[MAX_NT_PASSWORD * 2];
static int low_byte_first = -1; static int low_byte_first = -1;
LWIP_UNUSED_ARG(rchallenge_len);
/* Initialize the Unicode version of the secret (== password). */ /* Initialize the Unicode version of the secret (== password). */
/* This implicitly supports 8-bit ISO8859/1 characters. */ /* This implicitly supports 8-bit ISO8859/1 characters. */
BZERO(unicodePassword, sizeof(unicodePassword)); BZERO(unicodePassword, sizeof(unicodePassword));
@ -361,12 +328,12 @@ ChapMS_NT( char *rchallenge,
low_byte_first = (htons((unsigned short int)1) != 1); low_byte_first = (htons((unsigned short int)1) != 1);
} }
if (low_byte_first == 0) { if (low_byte_first == 0) {
MDreverse((u_long *)&md4Context); /* sfb 961105 */ MDreverse((unsigned int*)&md4Context); /* sfb 961105 */
} }
MDupdate(&md4Context, NULL, 0); /* Tell MD4 we're done */ MDupdate(&md4Context, NULL, 0); /* Tell MD4 we're done */
ChallengeResponse(rchallenge, (char *)md4Context.buffer, response->NTResp); ChallengeResponse((u_char*)rchallenge, (u_char*)md4Context.buffer, response->NTResp);
} }
#ifdef MSLANMAN #ifdef MSLANMAN
@ -394,6 +361,35 @@ ChapMS_LANMan( char *rchallenge,
} }
#endif #endif
void
ChapMS( chap_state *cstate, char *rchallenge, int rchallenge_len, char *secret, int secret_len)
{
MS_ChapResponse response;
#ifdef MSLANMAN
extern int ms_lanman;
#endif
#if 0
CHAPDEBUG((LOG_INFO, "ChapMS: secret is '%.*s'\n", secret_len, secret));
#endif
BZERO(&response, sizeof(response));
/* Calculate both always */
ChapMS_NT(rchallenge, rchallenge_len, secret, secret_len, &response);
#ifdef MSLANMAN
ChapMS_LANMan(rchallenge, rchallenge_len, secret, secret_len, &response);
/* prefered method is set by option */
response.UseNT = !ms_lanman;
#else
response.UseNT = 1;
#endif
BCOPY(&response, cstate->response, MS_CHAP_RESPONSE_LEN);
cstate->resp_length = MS_CHAP_RESPONSE_LEN;
}
#endif /* MSCHAP_SUPPORT */ #endif /* MSCHAP_SUPPORT */
#endif /* PPP_SUPPORT */ #endif /* PPP_SUPPORT */

308
src/netif/ppp/fsm.c
View File

@ -66,13 +66,7 @@
#include <string.h> #include <string.h>
/*************************/
/*** LOCAL DEFINITIONS ***/
/*************************/
#if PPP_DEBUG #if PPP_DEBUG
static const char *ppperr_strerr[] = { static const char *ppperr_strerr[] = {
"LS_INITIAL", /* LS_INITIAL 0 */ "LS_INITIAL", /* LS_INITIAL 0 */
"LS_STARTING", /* LS_STARTING 1 */ "LS_STARTING", /* LS_STARTING 1 */
@ -85,17 +79,8 @@ static const char *ppperr_strerr[] = {
"LS_ACKSENT", /* LS_ACKSENT 8 */ "LS_ACKSENT", /* LS_ACKSENT 8 */
"LS_OPENED" /* LS_OPENED 9 */ "LS_OPENED" /* LS_OPENED 9 */
}; };
#endif /* PPP_DEBUG */ #endif /* PPP_DEBUG */
/************************/
/*** LOCAL DATA TYPES ***/
/************************/
/***********************************/
/*** LOCAL FUNCTION DECLARATIONS ***/
/***********************************/
static void fsm_timeout (void *); static void fsm_timeout (void *);
static void fsm_rconfreq (fsm *, u_char, u_char *, int); static void fsm_rconfreq (fsm *, u_char, u_char *, int);
static void fsm_rconfack (fsm *, int, u_char *, int); static void fsm_rconfack (fsm *, int, u_char *, int);
@ -107,22 +92,9 @@ static void fsm_sconfreq (fsm *, int);
#define PROTO_NAME(f) ((f)->callbacks->proto_name) #define PROTO_NAME(f) ((f)->callbacks->proto_name)
/******************************/
/*** PUBLIC DATA STRUCTURES ***/
/******************************/
/*****************************/
/*** LOCAL DATA STRUCTURES ***/
/*****************************/
int peer_mru[NUM_PPP]; int peer_mru[NUM_PPP];
/***********************************/
/*** PUBLIC FUNCTION DEFINITIONS ***/
/***********************************/
/* /*
* fsm_init - Initialize fsm. * fsm_init - Initialize fsm.
* *
@ -328,32 +300,65 @@ fsm_close(fsm *f, char *reason)
/* /*
* fsm_sdata - Send some data. * fsm_timeout - Timeout expired.
*
* Used for all packets sent to our peer by this module.
*/ */
void static void
fsm_sdata( fsm *f, u_char code, u_char id, u_char *data, int datalen) fsm_timeout(void *arg)
{ {
u_char *outp; fsm *f = (fsm *) arg;
int outlen;
/* Adjust length to be smaller than MTU */ switch (f->state) {
outp = outpacket_buf[f->unit]; case LS_CLOSING:
if (datalen > peer_mru[f->unit] - (int)HEADERLEN) { case LS_STOPPING:
datalen = peer_mru[f->unit] - HEADERLEN; if( f->retransmits <= 0 ) {
FSMDEBUG((LOG_WARNING, "%s: timeout sending Terminate-Request state=%d (%s)\n",
PROTO_NAME(f), f->state, ppperr_strerr[f->state]));
/*
* We've waited for an ack long enough. Peer probably heard us.
*/
f->state = (f->state == LS_CLOSING)? LS_CLOSED: LS_STOPPED;
if( f->callbacks->finished ) {
(*f->callbacks->finished)(f);
} }
if (datalen && data != outp + PPP_HDRLEN + HEADERLEN) { } else {
BCOPY(data, outp + PPP_HDRLEN + HEADERLEN, datalen); FSMDEBUG((LOG_WARNING, "%s: timeout resending Terminate-Requests state=%d (%s)\n",
PROTO_NAME(f), f->state, ppperr_strerr[f->state]));
/* Send Terminate-Request */
fsm_sdata(f, TERMREQ, f->reqid = ++f->id,
(u_char *) f->term_reason, f->term_reason_len);
TIMEOUT(fsm_timeout, f, f->timeouttime);
--f->retransmits;
}
break;
case LS_REQSENT:
case LS_ACKRCVD:
case LS_ACKSENT:
if (f->retransmits <= 0) {
FSMDEBUG((LOG_WARNING, "%s: timeout sending Config-Requests state=%d (%s)\n",
PROTO_NAME(f), f->state, ppperr_strerr[f->state]));
f->state = LS_STOPPED;
if( (f->flags & OPT_PASSIVE) == 0 && f->callbacks->finished ) {
(*f->callbacks->finished)(f);
}
} else {
FSMDEBUG((LOG_WARNING, "%s: timeout resending Config-Request state=%d (%s)\n",
PROTO_NAME(f), f->state, ppperr_strerr[f->state]));
/* Retransmit the configure-request */
if (f->callbacks->retransmit) {
(*f->callbacks->retransmit)(f);
}
fsm_sconfreq(f, 1); /* Re-send Configure-Request */
if( f->state == LS_ACKRCVD ) {
f->state = LS_REQSENT;
}
}
break;
default:
FSMDEBUG((LOG_INFO, "%s: UNHANDLED timeout event in state %d (%s)!\n",
PROTO_NAME(f), f->state, ppperr_strerr[f->state]));
} }
outlen = datalen + HEADERLEN;
MAKEHEADER(outp, f->protocol);
PUTCHAR(code, outp);
PUTCHAR(id, outp);
PUTSHORT(outlen, outp);
pppWrite(f->unit, outpacket_buf[f->unit], outlen + PPP_HDRLEN);
FSMDEBUG((LOG_INFO, "fsm_sdata(%s): Sent code %d,%d,%d.\n",
PROTO_NAME(f), code, id, outlen));
} }
@ -436,129 +441,6 @@ fsm_input(fsm *f, u_char *inpacket, int l)
} }
/*
* fsm_protreject - Peer doesn't speak this protocol.
*
* Treat this as a catastrophic error (RXJ-).
*/
void
fsm_protreject(fsm *f)
{
switch( f->state ) {
case LS_CLOSING:
UNTIMEOUT(fsm_timeout, f); /* Cancel timeout */
/* fall through */
case LS_CLOSED:
f->state = LS_CLOSED;
if( f->callbacks->finished ) {
(*f->callbacks->finished)(f);
}
break;
case LS_STOPPING:
case LS_REQSENT:
case LS_ACKRCVD:
case LS_ACKSENT:
UNTIMEOUT(fsm_timeout, f); /* Cancel timeout */
/* fall through */
case LS_STOPPED:
f->state = LS_STOPPED;
if( f->callbacks->finished ) {
(*f->callbacks->finished)(f);
}
break;
case LS_OPENED:
if( f->callbacks->down ) {
(*f->callbacks->down)(f);
}
/* Init restart counter, send Terminate-Request */
f->retransmits = f->maxtermtransmits;
fsm_sdata(f, TERMREQ, f->reqid = ++f->id,
(u_char *) f->term_reason, f->term_reason_len);
TIMEOUT(fsm_timeout, f, f->timeouttime);
--f->retransmits;
f->state = LS_STOPPING;
break;
default:
FSMDEBUG((LOG_INFO, "%s: Protocol-reject event in state %d (%s)!\n",
PROTO_NAME(f), f->state, ppperr_strerr[f->state]));
}
}
/**********************************/
/*** LOCAL FUNCTION DEFINITIONS ***/
/**********************************/
/*
* fsm_timeout - Timeout expired.
*/
static void
fsm_timeout(void *arg)
{
fsm *f = (fsm *) arg;
switch (f->state) {
case LS_CLOSING:
case LS_STOPPING:
if( f->retransmits <= 0 ) {
FSMDEBUG((LOG_WARNING, "%s: timeout sending Terminate-Request state=%d (%s)\n",
PROTO_NAME(f), f->state, ppperr_strerr[f->state]));
/*
* We've waited for an ack long enough. Peer probably heard us.
*/
f->state = (f->state == LS_CLOSING)? LS_CLOSED: LS_STOPPED;
if( f->callbacks->finished ) {
(*f->callbacks->finished)(f);
}
} else {
FSMDEBUG((LOG_WARNING, "%s: timeout resending Terminate-Requests state=%d (%s)\n",
PROTO_NAME(f), f->state, ppperr_strerr[f->state]));
/* Send Terminate-Request */
fsm_sdata(f, TERMREQ, f->reqid = ++f->id,
(u_char *) f->term_reason, f->term_reason_len);
TIMEOUT(fsm_timeout, f, f->timeouttime);
--f->retransmits;
}
break;
case LS_REQSENT:
case LS_ACKRCVD:
case LS_ACKSENT:
if (f->retransmits <= 0) {
FSMDEBUG((LOG_WARNING, "%s: timeout sending Config-Requests state=%d (%s)\n",
PROTO_NAME(f), f->state, ppperr_strerr[f->state]));
f->state = LS_STOPPED;
if( (f->flags & OPT_PASSIVE) == 0 && f->callbacks->finished ) {
(*f->callbacks->finished)(f);
}
} else {
FSMDEBUG((LOG_WARNING, "%s: timeout resending Config-Request state=%d (%s)\n",
PROTO_NAME(f), f->state, ppperr_strerr[f->state]));
/* Retransmit the configure-request */
if (f->callbacks->retransmit) {
(*f->callbacks->retransmit)(f);
}
fsm_sconfreq(f, 1); /* Re-send Configure-Request */
if( f->state == LS_ACKRCVD ) {
f->state = LS_REQSENT;
}
}
break;
default:
FSMDEBUG((LOG_INFO, "%s: UNHANDLED timeout event in state %d (%s)!\n",
PROTO_NAME(f), f->state, ppperr_strerr[f->state]));
}
}
/* /*
* fsm_rconfreq - Receive Configure-Request. * fsm_rconfreq - Receive Configure-Request.
*/ */
@ -853,6 +735,59 @@ fsm_rcoderej(fsm *f, u_char *inp, int len)
} }
/*
* fsm_protreject - Peer doesn't speak this protocol.
*
* Treat this as a catastrophic error (RXJ-).
*/
void
fsm_protreject(fsm *f)
{
switch( f->state ) {
case LS_CLOSING:
UNTIMEOUT(fsm_timeout, f); /* Cancel timeout */
/* fall through */
case LS_CLOSED:
f->state = LS_CLOSED;
if( f->callbacks->finished ) {
(*f->callbacks->finished)(f);
}
break;
case LS_STOPPING:
case LS_REQSENT:
case LS_ACKRCVD:
case LS_ACKSENT:
UNTIMEOUT(fsm_timeout, f); /* Cancel timeout */
/* fall through */
case LS_STOPPED:
f->state = LS_STOPPED;
if( f->callbacks->finished ) {
(*f->callbacks->finished)(f);
}
break;
case LS_OPENED:
if( f->callbacks->down ) {
(*f->callbacks->down)(f);
}
/* Init restart counter, send Terminate-Request */
f->retransmits = f->maxtermtransmits;
fsm_sdata(f, TERMREQ, f->reqid = ++f->id,
(u_char *) f->term_reason, f->term_reason_len);
TIMEOUT(fsm_timeout, f, f->timeouttime);
--f->retransmits;
f->state = LS_STOPPING;
break;
default:
FSMDEBUG((LOG_INFO, "%s: Protocol-reject event in state %d (%s)!\n",
PROTO_NAME(f), f->state, ppperr_strerr[f->state]));
}
}
/* /*
* fsm_sconfreq - Send a Configure-Request. * fsm_sconfreq - Send a Configure-Request.
*/ */
@ -905,4 +840,33 @@ fsm_sconfreq(fsm *f, int retransmit)
PROTO_NAME(f), f->reqid)); PROTO_NAME(f), f->reqid));
} }
/*
* fsm_sdata - Send some data.
*
* Used for all packets sent to our peer by this module.
*/
void
fsm_sdata( fsm *f, u_char code, u_char id, u_char *data, int datalen)
{
u_char *outp;
int outlen;
/* Adjust length to be smaller than MTU */
outp = outpacket_buf[f->unit];
if (datalen > peer_mru[f->unit] - (int)HEADERLEN) {
datalen = peer_mru[f->unit] - HEADERLEN;
}
if (datalen && data != outp + PPP_HDRLEN + HEADERLEN) {
BCOPY(data, outp + PPP_HDRLEN + HEADERLEN, datalen);
}
outlen = datalen + HEADERLEN;
MAKEHEADER(outp, f->protocol);
PUTCHAR(code, outp);
PUTCHAR(id, outp);
PUTSHORT(outlen, outp);
pppWrite(f->unit, outpacket_buf[f->unit], outlen + PPP_HDRLEN);
FSMDEBUG((LOG_INFO, "fsm_sdata(%s): Sent code %d,%d,%d.\n",
PROTO_NAME(f), code, id, outlen));
}
#endif /* PPP_SUPPORT */ #endif /* PPP_SUPPORT */

60
src/netif/ppp/fsm.h
View File

@ -48,15 +48,12 @@
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
* *
* $Id: fsm.h,v 1.4 2007/12/19 20:47:23 fbernon Exp $ * $Id: fsm.h,v 1.5 2009/12/31 17:08:08 goldsimon Exp $
*/ */
#ifndef FSM_H #ifndef FSM_H
#define FSM_H #define FSM_H
/*****************************************************************************
************************* PUBLIC DEFINITIONS *********************************
*****************************************************************************/
/* /*
* LCP Packet header = Code, id, length. * LCP Packet header = Code, id, length.
*/ */
@ -74,31 +71,7 @@
#define TERMACK 6 /* Termination Ack */ #define TERMACK 6 /* Termination Ack */
#define CODEREJ 7 /* Code Reject */ #define CODEREJ 7 /* Code Reject */
/*
* Link states.
*/
#define LS_INITIAL 0 /* Down, hasn't been opened */
#define LS_STARTING 1 /* Down, been opened */
#define LS_CLOSED 2 /* Up, hasn't been opened */
#define LS_STOPPED 3 /* Open, waiting for down event */
#define LS_CLOSING 4 /* Terminating the connection, not open */
#define LS_STOPPING 5 /* Terminating, but open */
#define LS_REQSENT 6 /* We've sent a Config Request */
#define LS_ACKRCVD 7 /* We've received a Config Ack */
#define LS_ACKSENT 8 /* We've sent a Config Ack */
#define LS_OPENED 9 /* Connection available */
/*
* Flags - indicate options controlling FSM operation
*/
#define OPT_PASSIVE 1 /* Don't die if we don't get a response */
#define OPT_RESTART 2 /* Treat 2nd OPEN as DOWN, UP */
#define OPT_SILENT 4 /* Wait for peer to speak first */
/*****************************************************************************
************************* PUBLIC DATA TYPES **********************************
*****************************************************************************/
/* /*
* Each FSM is described by an fsm structure and fsm callbacks. * Each FSM is described by an fsm structure and fsm callbacks.
*/ */
@ -141,18 +114,27 @@ typedef struct fsm_callbacks {
} fsm_callbacks; } fsm_callbacks;
/*****************************************************************************
*********************** PUBLIC DATA STRUCTURES *******************************
*****************************************************************************/
/* /*
* Variables * Link states.
*/ */
extern int peer_mru[]; /* currently negotiated peer MRU (per unit) */ #define LS_INITIAL 0 /* Down, hasn't been opened */
#define LS_STARTING 1 /* Down, been opened */
#define LS_CLOSED 2 /* Up, hasn't been opened */
#define LS_STOPPED 3 /* Open, waiting for down event */
#define LS_CLOSING 4 /* Terminating the connection, not open */
#define LS_STOPPING 5 /* Terminating, but open */
#define LS_REQSENT 6 /* We've sent a Config Request */
#define LS_ACKRCVD 7 /* We've received a Config Ack */
#define LS_ACKSENT 8 /* We've sent a Config Ack */
#define LS_OPENED 9 /* Connection available */
/*
* Flags - indicate options controlling FSM operation
*/
#define OPT_PASSIVE 1 /* Don't die if we don't get a response */
#define OPT_RESTART 2 /* Treat 2nd OPEN as DOWN, UP */
#define OPT_SILENT 4 /* Wait for peer to speak first */
/*****************************************************************************
************************** PUBLIC FUNCTIONS **********************************
*****************************************************************************/
/* /*
* Prototypes * Prototypes
@ -166,4 +148,10 @@ void fsm_input (fsm*, u_char*, int);
void fsm_protreject (fsm*); void fsm_protreject (fsm*);
void fsm_sdata (fsm*, u_char, u_char, u_char*, int); void fsm_sdata (fsm*, u_char, u_char, u_char*, int);
/*
* Variables
*/
extern int peer_mru[]; /* currently negotiated peer MRU (per unit) */
#endif /* FSM_H */ #endif /* FSM_H */

137
src/netif/ppp/ipcp.c
View File

@ -1,3 +1,5 @@
/** In contrast to pppd 2.3.1, DNS support has been added, proxy-ARP and
dial-on-demand has been stripped. */
/***************************************************************************** /*****************************************************************************
* ipcp.c - Network PPP IP Control Protocol program file. * ipcp.c - Network PPP IP Control Protocol program file.
* *
@ -63,25 +65,18 @@
#include <string.h> #include <string.h>
/*************************/
/*** LOCAL DEFINITIONS ***/
/*************************/
/* #define OLD_CI_ADDRS 1 */ /* Support deprecated address negotiation. */ /* #define OLD_CI_ADDRS 1 */ /* Support deprecated address negotiation. */
/* /* global vars */
* Lengths of configuration options. ipcp_options ipcp_wantoptions[NUM_PPP]; /* Options that we want to request */
*/ ipcp_options ipcp_gotoptions[NUM_PPP]; /* Options that peer ack'd */
#define CILEN_VOID 2 ipcp_options ipcp_allowoptions[NUM_PPP]; /* Options we allow peer to request */
#define CILEN_COMPRESS 4 /* min length for compression protocol opt. */ ipcp_options ipcp_hisoptions[NUM_PPP]; /* Options that we ack'd */
#define CILEN_VJ 6 /* length for RFC1332 Van-Jacobson opt. */
#define CILEN_ADDR 6 /* new-style single address option */
#define CILEN_ADDRS 10 /* old-style dual address option */
/* local vars */
static int cis_received[NUM_PPP]; /* # Conf-Reqs received */
static int default_route_set[NUM_PPP]; /* Have set up a default route */
/***********************************/
/*** LOCAL FUNCTION DECLARATIONS ***/
/***********************************/
/* /*
* Callbacks for fsm code. (CI = Configuration Information) * Callbacks for fsm code. (CI = Configuration Information)
*/ */
@ -94,70 +89,14 @@ static int ipcp_rejci (fsm *, u_char *, int); /* Peer rej'd our CI */
static int ipcp_reqci (fsm *, u_char *, int *, int); /* Rcv CI */ static int ipcp_reqci (fsm *, u_char *, int *, int); /* Rcv CI */
static void ipcp_up (fsm *); /* We're UP */ static void ipcp_up (fsm *); /* We're UP */
static void ipcp_down (fsm *); /* We're DOWN */ static void ipcp_down (fsm *); /* We're DOWN */
#if 0 #if PPP_ADDITIONAL_CALLBACKS
static void ipcp_script (fsm *, char *); /* Run an up/down script */ static void ipcp_script (fsm *, char *); /* Run an up/down script */
#endif #endif
static void ipcp_finished (fsm *); /* Don't need lower layer */ static void ipcp_finished (fsm *); /* Don't need lower layer */
/*
* Protocol entry points from main code.
*/
static void ipcp_init (int);
static void ipcp_open (int);
static void ipcp_close (int, char *);
static void ipcp_lowerup (int);
static void ipcp_lowerdown (int);
static void ipcp_input (int, u_char *, int);
static void ipcp_protrej (int);
static void ipcp_clear_addrs (int);
#define CODENAME(x) ((x) == CONFACK ? "ACK" : \
(x) == CONFNAK ? "NAK" : "REJ")
/******************************/
/*** PUBLIC DATA STRUCTURES ***/
/******************************/
/* global vars */
ipcp_options ipcp_wantoptions[NUM_PPP]; /* Options that we want to request */
ipcp_options ipcp_gotoptions[NUM_PPP]; /* Options that peer ack'd */
ipcp_options ipcp_allowoptions[NUM_PPP]; /* Options we allow peer to request */
ipcp_options ipcp_hisoptions[NUM_PPP]; /* Options that we ack'd */
fsm ipcp_fsm[NUM_PPP]; /* IPCP fsm structure */ fsm ipcp_fsm[NUM_PPP]; /* IPCP fsm structure */
struct protent ipcp_protent = {
PPP_IPCP,
ipcp_init,
ipcp_input,
ipcp_protrej,
ipcp_lowerup,
ipcp_lowerdown,
ipcp_open,
ipcp_close,
#if 0
ipcp_printpkt,
NULL,
#endif
1,
"IPCP",
#if 0
ip_check_options,
NULL,
ip_active_pkt
#endif
};
/*****************************/
/*** LOCAL DATA STRUCTURES ***/
/*****************************/
/* local vars */
static int cis_received[NUM_PPP]; /* # Conf-Reqs received */
static int default_route_set[NUM_PPP]; /* Have set up a default route */
static fsm_callbacks ipcp_callbacks = { /* IPCP callback routines */ static fsm_callbacks ipcp_callbacks = { /* IPCP callback routines */
ipcp_resetci, /* Reset our Configuration Information */ ipcp_resetci, /* Reset our Configuration Information */
@ -177,11 +116,55 @@ static fsm_callbacks ipcp_callbacks = { /* IPCP callback routines */
"IPCP" /* String name of protocol */ "IPCP" /* String name of protocol */
}; };
/*
* Protocol entry points from main code.
*/
static void ipcp_init (int);
static void ipcp_open (int);
static void ipcp_close (int, char *);
static void ipcp_lowerup (int);
static void ipcp_lowerdown (int);
static void ipcp_input (int, u_char *, int);
static void ipcp_protrej (int);
/**********************************/ struct protent ipcp_protent = {
/*** LOCAL FUNCTION DEFINITIONS ***/ PPP_IPCP,
/**********************************/ ipcp_init,
ipcp_input,
ipcp_protrej,
ipcp_lowerup,
ipcp_lowerdown,
ipcp_open,
ipcp_close,
#if PPP_ADDITIONAL_CALLBACKS
ipcp_printpkt,
NULL,
#endif /* PPP_ADDITIONAL_CALLBACKS */
1,
"IPCP",
#if PPP_ADDITIONAL_CALLBACKS
ip_check_options,
NULL,
ip_active_pkt
#endif /* PPP_ADDITIONAL_CALLBACKS */
};
static void ipcp_clear_addrs (int);
/*
* Lengths of configuration options.
*/
#define CILEN_VOID 2
#define CILEN_COMPRESS 4 /* min length for compression protocol opt. */
#define CILEN_VJ 6 /* length for RFC1332 Van-Jacobson opt. */
#define CILEN_ADDR 6 /* new-style single address option */
#define CILEN_ADDRS 10 /* old-style dual address option */
#define CODENAME(x) ((x) == CONFACK ? "ACK" : \
(x) == CONFNAK ? "NAK" : "REJ")
#define inet_ntoa(addr) ip_ntoa(((struct ip_addr*)&(addr))) #define inet_ntoa(addr) ip_ntoa(((struct ip_addr*)&(addr)))
@ -1361,7 +1344,7 @@ ipcp_finished(fsm *f)
np_finished(f->unit, PPP_IP); np_finished(f->unit, PPP_IP);
} }
#if 0 #if PPP_ADDITIONAL_CALLBACKS
static int static int
ipcp_printpkt(u_char *p, int plen, void (*printer) (void *, char *, ...), void *arg) ipcp_printpkt(u_char *p, int plen, void (*printer) (void *, char *, ...), void *arg)
{ {
@ -1422,6 +1405,6 @@ ip_active_pkt(u_char *pkt, int len)
} }
return 1; return 1;
} }
#endif #endif /* PPP_ADDITIONAL_CALLBACKS */
#endif /* PPP_SUPPORT */ #endif /* PPP_SUPPORT */

135
src/netif/ppp/lcp.c
View File

@ -72,25 +72,25 @@
#define PPPOE_MAXMTU PPP_MAXMRU #define PPPOE_MAXMTU PPP_MAXMRU
#endif #endif
/* options */
LinkPhase lcp_phase[NUM_PPP]; /* Phase of link session (RFC 1661) */
static u_int lcp_echo_interval = LCP_ECHOINTERVAL; /* Interval between LCP echo-requests */
static u_int lcp_echo_fails = LCP_MAXECHOFAILS; /* Tolerance to unanswered echo-requests */
/*************************/ /* global vars */
/*** LOCAL DEFINITIONS ***/ static fsm lcp_fsm[NUM_PPP]; /* LCP fsm structure (global)*/
/*************************/ lcp_options lcp_wantoptions[NUM_PPP]; /* Options that we want to request */
/* lcp_options lcp_gotoptions[NUM_PPP]; /* Options that peer ack'd */
* Length of each type of configuration option (in octets) lcp_options lcp_allowoptions[NUM_PPP]; /* Options we allow peer to request */
*/ lcp_options lcp_hisoptions[NUM_PPP]; /* Options that we ack'd */
#define CILEN_VOID 2 ext_accm xmit_accm[NUM_PPP]; /* extended transmit ACCM */
#define CILEN_CHAR 3
#define CILEN_SHORT 4 /* CILEN_VOID + sizeof(short) */
#define CILEN_CHAP 5 /* CILEN_VOID + sizeof(short) + 1 */
#define CILEN_LONG 6 /* CILEN_VOID + sizeof(long) */
#define CILEN_LQR 8 /* CILEN_VOID + sizeof(short) + sizeof(long) */
#define CILEN_CBCP 3
static u32_t lcp_echos_pending = 0; /* Number of outstanding echo msgs */
static u32_t lcp_echo_number = 0; /* ID number of next echo frame */
static u32_t lcp_echo_timer_running = 0; /* TRUE if a timer is running */
static u_char nak_buffer[PPP_MRU]; /* where we construct a nak packet */
/***********************************/
/*** LOCAL FUNCTION DECLARATIONS ***/
/***********************************/
/* /*
* Callbacks for fsm code. (CI = Configuration Information) * Callbacks for fsm code. (CI = Configuration Information)
*/ */
@ -106,12 +106,12 @@ static void lcp_down (fsm*); /* We're DOWN */
static void lcp_starting (fsm*); /* We need lower layer up */ static void lcp_starting (fsm*); /* We need lower layer up */
static void lcp_finished (fsm*); /* We need lower layer down */ static void lcp_finished (fsm*); /* We need lower layer down */
static int lcp_extcode (fsm*, int, u_char, u_char*, int); static int lcp_extcode (fsm*, int, u_char, u_char*, int);
static void lcp_rprotrej (fsm*, u_char*, int); static void lcp_rprotrej (fsm*, u_char*, int);
/* /*
* routines to send LCP echos to peer * routines to send LCP echos to peer
*/ */
static void lcp_echo_lowerup (int); static void lcp_echo_lowerup (int);
static void lcp_echo_lowerdown (int); static void lcp_echo_lowerdown (int);
static void LcpEchoTimeout (void*); static void LcpEchoTimeout (void*);
@ -120,41 +120,6 @@ static void LcpSendEchoRequest (fsm*);
static void LcpLinkFailure (fsm*); static void LcpLinkFailure (fsm*);
static void LcpEchoCheck (fsm*); static void LcpEchoCheck (fsm*);
/*
* Protocol entry points.
* Some of these are called directly.
*/
static void lcp_input (int, u_char *, int);
static void lcp_protrej (int);
#define CODENAME(x) ((x) == CONFACK ? "ACK" : (x) == CONFNAK ? "NAK" : "REJ")
/******************************/
/*** PUBLIC DATA STRUCTURES ***/
/******************************/
/* global vars */
LinkPhase lcp_phase[NUM_PPP]; /* Phase of link session (RFC 1661) */
lcp_options lcp_wantoptions[NUM_PPP]; /* Options that we want to request */
lcp_options lcp_gotoptions[NUM_PPP]; /* Options that peer ack'd */
lcp_options lcp_allowoptions[NUM_PPP]; /* Options we allow peer to request */
lcp_options lcp_hisoptions[NUM_PPP]; /* Options that we ack'd */
ext_accm xmit_accm[NUM_PPP]; /* extended transmit ACCM */
/*****************************/
/*** LOCAL DATA STRUCTURES ***/
/*****************************/
static fsm lcp_fsm[NUM_PPP]; /* LCP fsm structure (global)*/
static u_int lcp_echo_interval = LCP_ECHOINTERVAL; /* Interval between LCP echo-requests */
static u_int lcp_echo_fails = LCP_MAXECHOFAILS; /* Tolerance to unanswered echo-requests */
static u32_t lcp_echos_pending = 0; /* Number of outstanding echo msgs */
static u32_t lcp_echo_number = 0; /* ID number of next echo frame */
static u32_t lcp_echo_timer_running = 0; /* TRUE if a timer is running */
static u_char nak_buffer[PPP_MRU]; /* where we construct a nak packet */
static fsm_callbacks lcp_callbacks = { /* LCP callback routines */ static fsm_callbacks lcp_callbacks = { /* LCP callback routines */
lcp_resetci, /* Reset our Configuration Information */ lcp_resetci, /* Reset our Configuration Information */
lcp_cilen, /* Length of our Configuration Information */ lcp_cilen, /* Length of our Configuration Information */
@ -173,6 +138,13 @@ static fsm_callbacks lcp_callbacks = { /* LCP callback routines */
"LCP" /* String name of protocol */ "LCP" /* String name of protocol */
}; };
/*
* Protocol entry points.
* Some of these are called directly.
*/
static void lcp_input (int, u_char *, int);
static void lcp_protrej (int);
struct protent lcp_protent = { struct protent lcp_protent = {
PPP_LCP, PPP_LCP,
lcp_init, lcp_init,
@ -182,26 +154,35 @@ struct protent lcp_protent = {
lcp_lowerdown, lcp_lowerdown,
lcp_open, lcp_open,
lcp_close, lcp_close,
#if 0 #if PPP_ADDITIONAL_CALLBACKS
lcp_printpkt, lcp_printpkt,
NULL, NULL,
#endif #endif /* PPP_ADDITIONAL_CALLBACKS */
1, 1,
"LCP", "LCP",
#if 0 #if PPP_ADDITIONAL_CALLBACKS
NULL, NULL,
NULL, NULL,
NULL NULL
#endif #endif /* PPP_ADDITIONAL_CALLBACKS */
}; };
int lcp_loopbackfail = DEFLOOPBACKFAIL; int lcp_loopbackfail = DEFLOOPBACKFAIL;
/*
* Length of each type of configuration option (in octets)
*/
#define CILEN_VOID 2
#define CILEN_CHAR 3
#define CILEN_SHORT 4 /* CILEN_VOID + sizeof(short) */
#define CILEN_CHAP 5 /* CILEN_VOID + sizeof(short) + 1 */
#define CILEN_LONG 6 /* CILEN_VOID + sizeof(long) */
#define CILEN_LQR 8 /* CILEN_VOID + sizeof(short) + sizeof(long) */
#define CILEN_CBCP 3
#define CODENAME(x) ((x) == CONFACK ? "ACK" : (x) == CONFNAK ? "NAK" : "REJ")
/***********************************/
/*** PUBLIC FUNCTION DEFINITIONS ***/
/***********************************/
/* /*
* lcp_init - Initialize LCP. * lcp_init - Initialize LCP.
*/ */
@ -356,21 +337,6 @@ lcp_lowerdown(int unit)
fsm_lowerdown(&lcp_fsm[unit]); fsm_lowerdown(&lcp_fsm[unit]);
} }
/*
* lcp_sprotrej - Send a Protocol-Reject for some protocol.
*/
void
lcp_sprotrej(int unit, u_char *p, int len)
{
/*
* Send back the protocol and the information field of the
* rejected packet. We only get here if LCP is in the LS_OPENED state.
*/
fsm_sdata(&lcp_fsm[unit], PROTREJ, ++lcp_fsm[unit].id, p, len);
}
/**********************************/ /**********************************/
/*** LOCAL FUNCTION DEFINITIONS ***/ /*** LOCAL FUNCTION DEFINITIONS ***/
@ -483,6 +449,21 @@ lcp_protrej(int unit)
} }
/*
* lcp_sprotrej - Send a Protocol-Reject for some protocol.
*/
void
lcp_sprotrej(int unit, u_char *p, int len)
{
/*
* Send back the protocol and the information field of the
* rejected packet. We only get here if LCP is in the LS_OPENED state.
*/
fsm_sdata(&lcp_fsm[unit], PROTREJ, ++lcp_fsm[unit].id, p, len);
}
/* /*
* lcp_resetci - Reset our CI. * lcp_resetci - Reset our CI.
*/ */
@ -1382,7 +1363,7 @@ lcp_reqci(fsm *f,
} }
GETCHAR(cichar, p); /* get digest type*/ GETCHAR(cichar, p); /* get digest type*/
if (cichar != CHAP_DIGEST_MD5 if (cichar != CHAP_DIGEST_MD5
#ifdef CHAPMS #if MSCHAP_SUPPORT
&& cichar != CHAP_MICROSOFT && cichar != CHAP_MICROSOFT
#endif #endif
) { ) {
@ -1691,7 +1672,7 @@ lcp_finished(fsm *f)
} }
#if 0 #if PPP_ADDITIONAL_CALLBACKS
/* /*
* print_string - print a readable representation of a string using * print_string - print a readable representation of a string using
* printer. * printer.
@ -1898,7 +1879,7 @@ lcp_printpkt( u_char *p, int plen, void (*printer) (void *, char *, ...), void *
return (int)(p - pstart); return (int)(p - pstart);
} }
#endif #endif /* PPP_ADDITIONAL_CALLBACKS */
/* /*
* Time to shut down the link because there is nothing out there. * Time to shut down the link because there is nothing out there.

120
src/netif/ppp/pap.c
View File

@ -63,9 +63,6 @@
#include <string.h> #include <string.h>
/***********************************/
/*** LOCAL FUNCTION DECLARATIONS ***/
/***********************************/
/* /*
* Protocol entry points. * Protocol entry points.
*/ */
@ -75,6 +72,30 @@ static void upap_lowerdown (int);
static void upap_input (int, u_char *, int); static void upap_input (int, u_char *, int);
static void upap_protrej (int); static void upap_protrej (int);
struct protent pap_protent = {
PPP_PAP,
upap_init,
upap_input,
upap_protrej,
upap_lowerup,
upap_lowerdown,
NULL,
NULL,
#if PPP_ADDITIONAL_CALLBACKS
upap_printpkt,
NULL,
#endif /* PPP_ADDITIONAL_CALLBACKS */
1,
"PAP",
#if PPP_ADDITIONAL_CALLBACKS
NULL,
NULL,
NULL
#endif /* PPP_ADDITIONAL_CALLBACKS */
};
upap_state upap[NUM_PPP]; /* UPAP state; one for each unit */
static void upap_timeout (void *); static void upap_timeout (void *);
static void upap_reqtimeout(void *); static void upap_reqtimeout(void *);
static void upap_rauthreq (upap_state *, u_char *, int, int); static void upap_rauthreq (upap_state *, u_char *, int, int);
@ -84,54 +105,28 @@ static void upap_sauthreq (upap_state *);
static void upap_sresp (upap_state *, u_char, u_char, char *, int); static void upap_sresp (upap_state *, u_char, u_char, char *, int);
/******************************/
/*** PUBLIC DATA STRUCTURES ***/
/******************************/
struct protent pap_protent = {
PPP_PAP,
upap_init,
upap_input,
upap_protrej,
upap_lowerup,
upap_lowerdown,
NULL,
NULL,
#if 0
upap_printpkt,
NULL,
#endif
1,
"PAP",
#if 0
NULL,
NULL,
NULL
#endif
};
upap_state upap[NUM_PPP]; /* UPAP state; one for each unit */
/***********************************/
/*** PUBLIC FUNCTION DEFINITIONS ***/
/***********************************/
/* /*
* Set the default login name and password for the pap sessions * upap_init - Initialize a UPAP unit.
*/ */
void static void
upap_setloginpasswd(int unit, const char *luser, const char *lpassword) upap_init(int unit)
{ {
upap_state *u = &upap[unit]; upap_state *u = &upap[unit];
/* Save the username and password we're given */ UPAPDEBUG((LOG_INFO, "upap_init: %d\n", unit));
u->us_user = luser; u->us_unit = unit;
u->us_userlen = strlen(luser); u->us_user = NULL;
u->us_passwd = lpassword; u->us_userlen = 0;
u->us_passwdlen = strlen(lpassword); u->us_passwd = NULL;
u->us_passwdlen = 0;
u->us_clientstate = UPAPCS_INITIAL;
u->us_serverstate = UPAPSS_INITIAL;
u->us_id = 0;
u->us_timeouttime = UPAP_DEFTIMEOUT;
u->us_maxtransmits = 10;
u->us_reqtimeout = UPAP_DEFREQTIME;
} }
/* /*
* upap_authwithpeer - Authenticate us with our peer (start client). * upap_authwithpeer - Authenticate us with our peer (start client).
* *
@ -145,7 +140,11 @@ upap_authwithpeer(int unit, char *user, char *password)
UPAPDEBUG((LOG_INFO, "upap_authwithpeer: %d user=%s password=%s s=%d\n", UPAPDEBUG((LOG_INFO, "upap_authwithpeer: %d user=%s password=%s s=%d\n",
unit, user, password, u->us_clientstate)); unit, user, password, u->us_clientstate));
upap_setloginpasswd(unit, user, password); /* Save the username and password we're given */
u->us_user = user;
u->us_userlen = strlen(user);
u->us_passwd = password;
u->us_passwdlen = strlen(password);
u->us_transmits = 0; u->us_transmits = 0;
@ -183,33 +182,6 @@ upap_authpeer(int unit)
} }
} }
/**********************************/
/*** LOCAL FUNCTION DEFINITIONS ***/
/**********************************/
/*
* upap_init - Initialize a UPAP unit.
*/
static void
upap_init(int unit)
{
upap_state *u = &upap[unit];
UPAPDEBUG((LOG_INFO, "upap_init: %d\n", unit));
u->us_unit = unit;
u->us_user = NULL;
u->us_userlen = 0;
u->us_passwd = NULL;
u->us_passwdlen = 0;
u->us_clientstate = UPAPCS_INITIAL;
u->us_serverstate = UPAPSS_INITIAL;
u->us_id = 0;
u->us_timeouttime = UPAP_DEFTIMEOUT;
u->us_maxtransmits = 10;
u->us_reqtimeout = UPAP_DEFREQTIME;
}
/* /*
* upap_timeout - Retransmission timer for sending auth-reqs expired. * upap_timeout - Retransmission timer for sending auth-reqs expired.
*/ */
@ -598,7 +570,7 @@ upap_sresp(upap_state *u, u_char code, u_char id, char *msg, int msglen)
UPAPDEBUG((LOG_INFO, "pap_sresp: Sent code %d, id %d s=%d\n", code, id, u->us_clientstate)); UPAPDEBUG((LOG_INFO, "pap_sresp: Sent code %d, id %d s=%d\n", code, id, u->us_clientstate));
} }
#if 0 #if PPP_ADDITIONAL_CALLBACKS
/* /*
* upap_printpkt - print the contents of a PAP packet. * upap_printpkt - print the contents of a PAP packet.
*/ */
@ -615,7 +587,7 @@ static int upap_printpkt(
LWIP_UNUSED_ARG(arg); LWIP_UNUSED_ARG(arg);
return 0; return 0;
} }
#endif /* 0 */ #endif /* PPP_ADDITIONAL_CALLBACKS */
#endif /* PAP_SUPPORT */ #endif /* PAP_SUPPORT */

45
src/netif/ppp/pap.h
View File

@ -70,6 +70,24 @@
#define UPAP_AUTHACK 2 /* Authenticate-Ack */ #define UPAP_AUTHACK 2 /* Authenticate-Ack */
#define UPAP_AUTHNAK 3 /* Authenticate-Nak */ #define UPAP_AUTHNAK 3 /* Authenticate-Nak */
/*
* Each interface is described by upap structure.
*/
typedef struct upap_state {
int us_unit; /* Interface unit number */
const char *us_user; /* User */
int us_userlen; /* User length */
const char *us_passwd; /* Password */
int us_passwdlen; /* Password length */
int us_clientstate; /* Client state */
int us_serverstate; /* Server state */
u_char us_id; /* Current id */
int us_timeouttime; /* Timeout (seconds) for auth-req retrans. */
int us_transmits; /* Number of auth-reqs sent */
int us_maxtransmits; /* Maximum number of auth-reqs to send */
int us_reqtimeout; /* Time to wait for auth-req from peer */
} upap_state;
/* /*
* Client states. * Client states.
*/ */
@ -91,33 +109,6 @@
#define UPAPSS_BADAUTH 5 /* We've sent a Nak */ #define UPAPSS_BADAUTH 5 /* We've sent a Nak */
/************************
*** PUBLIC DATA TYPES ***
************************/
/*
* Each interface is described by upap structure.
*/
typedef struct upap_state {
int us_unit; /* Interface unit number */
const char *us_user; /* User */
int us_userlen; /* User length */
const char *us_passwd; /* Password */
int us_passwdlen; /* Password length */
int us_clientstate; /* Client state */
int us_serverstate; /* Server state */
u_char us_id; /* Current id */
int us_timeouttime; /* Timeout (seconds) for auth-req retrans. */
int us_transmits; /* Number of auth-reqs sent */
int us_maxtransmits; /* Maximum number of auth-reqs to send */
int us_reqtimeout; /* Time to wait for auth-req from peer */
} upap_state;
/***********************
*** PUBLIC FUNCTIONS ***
***********************/
extern upap_state upap[]; extern upap_state upap[];
void upap_setloginpasswd(int unit, const char *luser, const char *lpassword); void upap_setloginpasswd(int unit, const char *luser, const char *lpassword);