#include "pppd.h"
#include "pathnames.h"
-#include "md5.h"
+#include "ppp-crypto.h"
#include "eap.h"
-#ifdef USE_PEAP
+#ifdef PPP_WITH_PEAP
#include "peap.h"
-#endif /* USE_PEAP */
+#endif /* PPP_WITH_PEAP */
-#ifdef USE_SRP
+#ifdef PPP_WITH_SRP
#ifdef HAVE_TIME_H
#include <time.h>
#endif
#include <t_pwd.h>
#include <t_server.h>
#include <t_client.h>
-#include "pppcrypt.h"
-#endif /* USE_SRP */
+#endif /* PPP_WITH_SRP */
#ifndef SHA_DIGESTSIZE
#define SHA_DIGESTSIZE 20
#endif
-#ifdef USE_EAPTLS
+#ifdef PPP_WITH_EAPTLS
#include "eap-tls.h"
-#endif /* USE_EAPTLS */
+#endif /* PPP_WITH_EAPTLS */
-#ifdef CHAPMS
+#ifdef PPP_WITH_CHAPMS
#include "chap_ms.h"
#include "chap-new.h"
extern int chapms_strip_domain;
-#endif /* CHAPMS */
+#endif /* PPP_WITH_CHAPMS */
eap_state eap_states[NUM_PPP]; /* EAP state; one for each unit */
-#ifdef USE_SRP
+#ifdef PPP_WITH_SRP
static char *pn_secret = NULL; /* Pseudonym generating secret */
#endif
"Set max number of EAP Requests allows (client)" },
{ "eap-interval", o_int, &eap_states[0].es_rechallenge,
"Set interval for EAP rechallenge" },
-#ifdef USE_SRP
+#ifdef PPP_WITH_SRP
{ "srp-interval", o_int, &eap_states[0].es_lwrechallenge,
"Set interval for SRP lightweight rechallenge" },
{ "srp-pn-secret", o_string, &pn_secret,
NULL /* say whether to bring up link for this pkt */
};
-#ifdef USE_SRP
+#ifdef PPP_WITH_SRP
/*
* A well-known 2048 bit modulus.
*/
0x9B, 0x65, 0xE3, 0x72, 0xFC, 0xD6, 0x8E, 0xF2,
0x0F, 0xA7, 0x11, 0x1F, 0x9E, 0x4A, 0xFF, 0x73
};
-#endif /* USE_SRP */
+#endif /* PPP_WITH_SRP */
/* Local forward declarations. */
static void eap_server_timeout (void *arg);
esp->es_server.ea_id = (u_char)(drand48() * 0x100);
esp->es_client.ea_timeout = EAP_DEFREQTIME;
esp->es_client.ea_maxrequests = EAP_DEFALLOWREQ;
-#ifdef USE_EAPTLS
+#ifdef PPP_WITH_EAPTLS
esp->es_client.ea_using_eaptls = 0;
-#endif /* USE_EAPTLS */
-#ifdef CHAPMS
+#endif /* PPP_WITH_EAPTLS */
+#ifdef PPP_WITH_CHAPMS
esp->es_client.digest = chap_find_digest(CHAP_MICROSOFT_V2);
esp->es_server.digest = chap_find_digest(CHAP_MICROSOFT_V2);
#endif
esp->es_server.ea_peer, esp->es_server.ea_peerlen);
}
-#ifdef USE_SRP
+#ifdef PPP_WITH_SRP
/*
* Set DES key according to pseudonym-generating secret and current
* date.
{
struct tm *tp;
char tbuf[9];
- SHA1_CTX ctxt;
+ PPP_MD_CTX *ctxt;
u_char dig[SHA_DIGESTSIZE];
+ int diglen = sizeof(dig);
time_t reftime;
if (pn_secret == NULL)
return (0);
reftime = time(NULL) + timeoffs;
tp = localtime(&reftime);
- SHA1Init(&ctxt);
- SHA1Update(&ctxt, pn_secret, strlen(pn_secret));
- strftime(tbuf, sizeof (tbuf), "%Y%m%d", tp);
- SHA1Update(&ctxt, tbuf, strlen(tbuf));
- SHA1Final(dig, &ctxt);
- return (DesSetkey(dig));
+ ctxt = PPP_MD_CTX_new();
+ if (ctxt) {
+
+ strftime(tbuf, sizeof (tbuf), "%Y%m%d", tp);
+
+ PPP_DigestInit(ctxt, PPP_sha1());
+ PPP_DigestUpdate(ctxt, pn_secret, strlen(pn_secret));
+ PPP_DigestUpdate(ctxt, tbuf, strlen(tbuf));
+ PPP_DigestFinal(ctxt, dig, &diglen);
+
+ PPP_MD_CTX_free(ctxt);
+ return (DesSetkey(dig));
+ }
+
+ return (0);
}
static char base64[] =
}
return (outlen);
}
-#endif /* USE_SRP */
+#endif /* PPP_WITH_SRP */
/*
* Assume that current waiting server state is complete and figure
static void
eap_figure_next_state(eap_state *esp, int status)
{
-#ifdef USE_SRP
+#ifdef PPP_WITH_SRP
unsigned char secbuf[MAXWORDLEN], clear[8], *sp, *dp;
struct t_pw tpw;
struct t_confent *tce, mytce;
int id, i, plen, toffs;
u_char vals[2];
struct b64state bs;
-#endif /* USE_SRP */
-#ifdef USE_EAPTLS
+#endif /* PPP_WITH_SRP */
+#ifdef PPP_WITH_EAPTLS
struct eaptls_session *ets;
int secret_len;
char secret[MAXWORDLEN];
-#endif /* USE_EAPTLS */
+#endif /* PPP_WITH_EAPTLS */
esp->es_server.ea_timeout = esp->es_savedtime;
-#ifdef USE_EAPTLS
+#ifdef PPP_WITH_EAPTLS
esp->es_server.ea_prev_state = esp->es_server.ea_state;
-#endif /* USE_EAPTLS */
+#endif /* PPP_WITH_EAPTLS */
switch (esp->es_server.ea_state) {
case eapBadAuth:
return;
case eapIdentify:
-#ifdef USE_SRP
+#ifdef PPP_WITH_SRP
/* Discard any previous session. */
ts = (struct t_server *)esp->es_server.ea_session;
if (ts != NULL) {
esp->es_server.ea_session = NULL;
esp->es_server.ea_skey = NULL;
}
-#endif /* USE_SRP */
+#endif /* PPP_WITH_SRP */
if (status != 0) {
esp->es_server.ea_state = eapBadAuth;
break;
}
-#ifdef USE_SRP
+#ifdef PPP_WITH_SRP
/* If we've got a pseudonym, try to decode to real name. */
if (esp->es_server.ea_peerlen > SRP_PSEUDO_LEN &&
strncmp(esp->es_server.ea_peer, SRP_PSEUDO_ID,
t_servergenexp(ts);
break;
}
-#endif /* USE_SRP */
-#ifdef USE_EAPTLS
+#endif /* PPP_WITH_SRP */
+#ifdef PPP_WITH_EAPTLS
if (!get_secret(esp->es_unit, esp->es_server.ea_peer,
esp->es_server.ea_name, secret, &secret_len, 1)) {
esp->es_server.ea_state = eapTlsStart;
break;
}
-#endif /* USE_EAPTLS */
+#endif /* PPP_WITH_EAPTLS */
esp->es_server.ea_state = eapMD5Chall;
break;
-#ifdef USE_EAPTLS
+#ifdef PPP_WITH_EAPTLS
case eapTlsStart:
/* Initialize ssl session */
if(!eaptls_init_ssl_server(esp)) {
case eapTlsSendAlert:
esp->es_server.ea_state = eapTlsRecvAlertAck;
break;
-#endif /* USE_EAPTLS */
+#endif /* PPP_WITH_EAPTLS */
case eapSRP1:
-#ifdef USE_SRP
+#ifdef PPP_WITH_SRP
ts = (struct t_server *)esp->es_server.ea_session;
if (ts != NULL && status != 0) {
t_serverclose(ts);
esp->es_server.ea_session = NULL;
esp->es_server.ea_skey = NULL;
}
-#endif /* USE_SRP */
+#endif /* PPP_WITH_SRP */
if (status == 1) {
esp->es_server.ea_state = eapMD5Chall;
} else if (status != 0 || esp->es_server.ea_session == NULL) {
break;
case eapSRP2:
-#ifdef USE_SRP
+#ifdef PPP_WITH_SRP
ts = (struct t_server *)esp->es_server.ea_session;
if (ts != NULL && status != 0) {
t_serverclose(ts);
esp->es_server.ea_session = NULL;
esp->es_server.ea_skey = NULL;
}
-#endif /* USE_SRP */
+#endif /* PPP_WITH_SRP */
if (status != 0 || esp->es_server.ea_session == NULL) {
esp->es_server.ea_state = eapBadAuth;
} else {
case eapSRP3:
case eapSRP4:
-#ifdef USE_SRP
+#ifdef PPP_WITH_SRP
ts = (struct t_server *)esp->es_server.ea_session;
if (ts != NULL && status != 0) {
t_serverclose(ts);
esp->es_server.ea_session = NULL;
esp->es_server.ea_skey = NULL;
}
-#endif /* USE_SRP */
+#endif /* PPP_WITH_SRP */
if (status != 0 || esp->es_server.ea_session == NULL) {
esp->es_server.ea_state = eapBadAuth;
} else {
}
break;
-#ifdef CHAPMS
+#ifdef PPP_WITH_CHAPMS
case eapMSCHAPv2Chall:
#endif
case eapMD5Chall:
if (esp->es_server.ea_state == eapBadAuth)
eap_send_failure(esp);
-#ifdef USE_EAPTLS
+#ifdef PPP_WITH_EAPTLS
dbglog("EAP id=0x%2x '%s' -> '%s'", esp->es_server.ea_id, eap_state_name(esp->es_server.ea_prev_state), eap_state_name(esp->es_server.ea_state));
-#endif /* USE_EAPTLS */
+#endif /* PPP_WITH_EAPTLS */
}
-#if CHAPMS
+#if PPP_WITH_CHAPMS
/*
* eap_chap_verify_response - check whether the peer's response matches
* what we think it should be. Returns 1 if it does (authentication
auth_peer_fail(esp->es_unit, PPP_EAP);
}
}
-#endif /* CHAPMS */
+#endif /* PPP_WITH_CHAPMS */
/*
* Format an EAP Request message and send it to the peer. Message
int outlen;
int challen;
char *str;
-#ifdef USE_SRP
+#ifdef PPP_WITH_SRP
struct t_server *ts;
u_char clear[8], cipher[8], dig[SHA_DIGESTSIZE], *optr, *cp;
- int i, j;
+ int i, j, diglen;
struct b64state b64;
- SHA1_CTX ctxt;
-#endif /* USE_SRP */
+ PPP_MD_CTX *ctxt;
+#endif /* PPP_WITH_SRP */
/* Handle both initial auth and restart */
if (esp->es_server.ea_state < eapIdentify &&
INCPTR(esp->es_server.ea_namelen, outp);
break;
-#ifdef CHAPMS
+#ifdef PPP_WITH_CHAPMS
case eapMSCHAPv2Chall:
esp->es_server.digest->generate_challenge(esp->es_challenge);
challen = esp->es_challenge[0];
esp->es_server.ea_namelen);
INCPTR(esp->es_server.ea_namelen, outp);
break;
-#endif /* CHAPMS */
+#endif /* PPP_WITH_CHAPMS */
-#ifdef USE_EAPTLS
+#ifdef PPP_WITH_EAPTLS
case eapTlsStart:
PUTCHAR(EAPT_TLS, outp);
PUTCHAR(EAP_TLS_FLAGS_START, outp);
eaptls_send(esp->es_server.ea_session, &outp);
eap_figure_next_state(esp, 0);
break;
-#endif /* USE_EAPTLS */
+#endif /* PPP_WITH_EAPTLS */
-#ifdef USE_SRP
+#ifdef PPP_WITH_SRP
case eapSRP1:
PUTCHAR(EAPT_SRP, outp);
PUTCHAR(EAPSRP_CHALLENGE, outp);
}
/* Obscure the pseudonym with SHA1 hash */
- SHA1Init(&ctxt);
- SHA1Update(&ctxt, &esp->es_server.ea_id, 1);
- SHA1Update(&ctxt, esp->es_server.ea_skey,
- SESSION_KEY_LEN);
- SHA1Update(&ctxt, esp->es_server.ea_peer,
- esp->es_server.ea_peerlen);
- while (optr < outp) {
- SHA1Final(dig, &ctxt);
- cp = dig;
- while (cp < dig + SHA_DIGESTSIZE)
- *optr++ ^= *cp++;
- SHA1Init(&ctxt);
- SHA1Update(&ctxt, &esp->es_server.ea_id, 1);
- SHA1Update(&ctxt, esp->es_server.ea_skey,
- SESSION_KEY_LEN);
- SHA1Update(&ctxt, optr - SHA_DIGESTSIZE,
- SHA_DIGESTSIZE);
- }
+ ctxt = PPP_MD_CTX_new();
+ if (ctxt) {
+
+ PPP_DigestInit(ctxt, PPP_sha1());
+ PPP_DigestUpdate(ctxt, &esp->es_server.ea_id, 1);
+ PPP_DigestUpdate(ctxt, &esp->es_server.ea_skey,
+ SESSION_KEY_LEN);
+ PPP_DigestUpdate(ctxt, esp->es_server.ea_peer,
+ esp->es_server.ea_peerlen);
+
+ while (optr < outp) {
+ diglen = SHA_DIGEST_LENGTH;
+ PPP_DigestFinal(ctxt, dig, &diglen);
+ cp = dig;
+ while (cp < dig + SHA_DIGEST_LENGTH)
+ *optr++ ^= *cp++;
+
+ PPP_DigestInit(ctxt, PPP_sha1());
+ PPP_DigestUpdate(ctxt, &esp->es_server.ea_id, 1);
+ PPP_DigestUpdate(ctxt, esp->es_server.ea_skey,
+ SESSION_KEY_LEN);
+ PPP_DigestUpdate(ctxt, optr - SHA_DIGEST_LENGTH,
+ SHA_DIGEST_LENGTH);
+ }
+
+ PPP_MD_CTX_free(ctxt);
+ }
}
break;
BCOPY(esp->es_challenge, outp, esp->es_challen);
INCPTR(esp->es_challen, outp);
break;
-#endif /* USE_SRP */
+#endif /* PPP_WITH_SRP */
default:
return;
static void
eap_server_timeout(void *arg)
{
-#ifdef USE_EAPTLS
+#ifdef PPP_WITH_EAPTLS
u_char *outp;
u_char *lenloc;
int outlen;
-#endif /* USE_EAPTLS */
+#endif /* PPP_WITH_EAPTLS */
eap_state *esp = (eap_state *) arg;
if (!eap_server_active(esp))
return;
-#ifdef USE_EAPTLS
+#ifdef PPP_WITH_EAPTLS
switch(esp->es_server.ea_prev_state) {
/*
default:
break;
}
-#endif /* USE_EAPTLS */
+#endif /* PPP_WITH_EAPTLS */
/* EAP ID number must not change on timeout. */
eap_send_request(esp);
int msglen;
outp = outpacket_buf;
-
+
MAKEHEADER(outp, PPP_EAP);
PUTCHAR(EAP_RESPONSE, outp);
output(esp->es_unit, outpacket_buf, PPP_HDRLEN + msglen);
}
-#ifdef USE_SRP
+#ifdef PPP_WITH_SRP
/*
* Format and send a SRP EAP Response message.
*/
output(esp->es_unit, outpacket_buf, PPP_HDRLEN + msglen);
}
-#endif /* USE_SRP */
+#endif /* PPP_WITH_SRP */
-#ifdef USE_EAPTLS
+#ifdef PPP_WITH_EAPTLS
/*
* Send an EAP-TLS response message with tls data
*/
output(esp->es_unit, outpacket_buf, PPP_HDRLEN + outlen);
}
-#endif /* USE_EAPTLS */
+#endif /* PPP_WITH_EAPTLS */
static void
eap_send_nak(eap_state *esp, u_char id, u_char type)
output(esp->es_unit, outpacket_buf, PPP_HDRLEN + msglen);
}
-#ifdef USE_SRP
+#ifdef PPP_WITH_SRP
static char *
name_of_pn_file(void)
{
errno = EINVAL;
return (NULL);
}
- file = _PATH_PSEUDONYM;
+ file = PPP_PATH_PSEUDONYM;
pl = strlen(user) + strlen(file) + 2;
path = malloc(pl);
if (path == NULL)
{
u_char val;
u_char *datp, *digp;
- SHA1_CTX ctxt;
+ PPP_MD_CTX *ctxt;
u_char dig[SHA_DIGESTSIZE];
- int dsize, fd, olen = len;
+ int dsize, fd, olen = len, diglen = sizeof(dig);
/*
* Do the decoding by working backwards. This eliminates the need
dsize = SHA_DIGESTSIZE;
len -= dsize;
datp = inp + len;
- SHA1Init(&ctxt);
- SHA1Update(&ctxt, &val, 1);
- SHA1Update(&ctxt, esp->es_client.ea_skey, SESSION_KEY_LEN);
- if (len > 0) {
- SHA1Update(&ctxt, datp, SHA_DIGESTSIZE);
- } else {
- SHA1Update(&ctxt, esp->es_client.ea_name,
- esp->es_client.ea_namelen);
- }
- SHA1Final(dig, &ctxt);
- for (digp = dig; digp < dig + SHA_DIGESTSIZE; digp++)
- *datp++ ^= *digp;
+ ctxt = PPP_MD_CTX_new();
+ if (ctxt) {
+
+ PPP_DigestInit(ctxt, PPP_sha1());
+ PPP_DigestUpdate(ctxt, &val, 1);
+ PPP_DigestUpdate(ctxt, esp->es_client.ea_skey,
+ SESSION_KEY_LEN);
+ if (len > 0) {
+ PPP_DigestUpdate(ctxt, datp, SHA_DIGESTSIZE);
+ } else {
+ PPP_DigestUpdate(ctxt, esp->es_client.ea_name,
+ esp->es_client.ea_namelen);
+ }
+ PPP_DigestFinal(ctxt, dig, &diglen);
+
+ for (digp = dig; digp < dig + SHA_DIGEST_LENGTH; digp++)
+ *datp++ ^= *digp;
+
+ PPP_MD_CTX_free(ctxt);
+ }
}
/* Now check that the result is sane */
remove_pn_file();
}
}
-#endif /* USE_SRP */
+#endif /* PPP_WITH_SRP */
-#if CHAPMS
+#if PPP_WITH_CHAPMS
/*
* Format and send an CHAPV2-Challenge EAP Response message.
*/
int secret_len;
char secret[MAXWORDLEN];
char rhostname[256];
- MD5_CTX mdContext;
+ PPP_MD_CTX *mdctx;
u_char hash[MD5_SIGNATURE_SIZE];
-#ifdef USE_EAPTLS
+ int hashlen = MD5_SIGNATURE_SIZE;
+#ifdef PPP_WITH_EAPTLS
u_char flags;
struct eaptls_session *ets = esp->es_client.ea_session;
-#endif /* USE_EAPTLS */
+#endif /* PPP_WITH_EAPTLS */
-#ifdef USE_SRP
+#ifdef PPP_WITH_SRP
struct t_client *tc;
struct t_num sval, gval, Nval, *Ap, Bval;
u_char vals[2];
- SHA1_CTX ctxt;
+ PPP_MD_CTX *ctxt;
u_char dig[SHA_DIGESTSIZE];
+ int diglen = sizeof(dig);
int fd;
-#endif /* USE_SRP */
+#endif /* PPP_WITH_SRP */
/*
* Ignore requests if we're not open
case EAPT_IDENTITY:
if (len > 0)
info("EAP: Identity prompt \"%.*q\"", len, inp);
-#ifdef USE_SRP
+#ifdef PPP_WITH_SRP
if (esp->es_usepseudo &&
(esp->es_usedpseudo == 0 ||
(esp->es_usedpseudo == 1 &&
remove_pn_file();
esp->es_usedpseudo = 2;
}
-#endif /* USE_SRP */
+#endif /* PPP_WITH_SRP */
eap_send_response(esp, id, typenum, (u_char *)esp->es_client.ea_name,
esp->es_client.ea_namelen);
break;
eap_send_nak(esp, id, EAPT_SRP);
break;
}
- MD5_Init(&mdContext);
- typenum = id;
- MD5_Update(&mdContext, &typenum, 1);
- MD5_Update(&mdContext, (u_char *)secret, secret_len);
- BZERO(secret, sizeof (secret));
- MD5_Update(&mdContext, inp, vallen);
- MD5_Final(hash, &mdContext);
- eap_chap_response(esp, id, hash, esp->es_client.ea_name,
- esp->es_client.ea_namelen);
+
+ mdctx = PPP_MD_CTX_new();
+ if (mdctx != NULL) {
+ if (PPP_DigestInit(mdctx, PPP_md5())) {
+ typenum = id;
+ if (PPP_DigestUpdate(mdctx, &typenum, 1)) {
+ if (PPP_DigestUpdate(mdctx, secret, secret_len)) {
+ BZERO(secret, sizeof(secret));
+ if (PPP_DigestUpdate(mdctx, inp, vallen)) {
+ if (PPP_DigestFinal(mdctx, hash, &hashlen)) {
+ eap_chap_response(esp, id, hash, esp->es_client.ea_name,
+ esp->es_client.ea_namelen);
+ PPP_MD_CTX_free(mdctx);
+ break;
+ }
+ }
+ }
+ }
+ }
+ PPP_MD_CTX_free(mdctx);
+ }
+ dbglog("EAP: Invalid MD5 checksum");
+ eap_send_nak(esp, id, EAPT_SRP);
break;
-#ifdef USE_EAPTLS
+#ifdef PPP_WITH_EAPTLS
case EAPT_TLS:
switch(esp->es_client.ea_state) {
/* Check if TLS handshake is finished */
if(eaptls_is_init_finished(ets)) {
-#ifdef MPPE
+#ifdef PPP_WITH_MPPE
eaptls_gen_mppe_keys(ets, 1);
#endif
eaptls_free_session(ets);
}
break;
-#endif /* USE_EAPTLS */
+#endif /* PPP_WITH_EAPTLS */
-#ifdef USE_SRP
+#ifdef PPP_WITH_SRP
case EAPT_SRP:
if (len < 1) {
error("EAP: received empty SRP Request");
warn("EAP: malformed Lightweight rechallenge");
return;
}
- SHA1Init(&ctxt);
- vals[0] = id;
- SHA1Update(&ctxt, vals, 1);
- SHA1Update(&ctxt, esp->es_client.ea_skey,
- SESSION_KEY_LEN);
- SHA1Update(&ctxt, inp, len);
- SHA1Update(&ctxt, esp->es_client.ea_name,
- esp->es_client.ea_namelen);
- SHA1Final(dig, &ctxt);
- eap_srp_response(esp, id, EAPSRP_LWRECHALLENGE, dig,
- SHA_DIGESTSIZE);
- break;
+ ctxt = PPP_MD_CTX_new();
+ if (ctxt) {
+
+ vals[0] = id;
+ PPP_DigestInit(ctxt, PPP_sha1());
+ PPP_DigestUpdate(ctxt, vals, 1);
+ PPP_DigestUpdate(ctxt, esp->es_client.ea_skey,
+ SESSION_KEY_LEN);
+ PPP_DigestUpdate(ctxt, inp, len);
+ PPP_DigestUpdate(ctxt, esp->es_client.ea_name,
+ esp->es_client.ea_namelen);
+ PPP_DigestFinal(ctxt, dig, &diglen);
+
+ PPP_MD_CTX_free(ctxt);
+
+ eap_srp_response(esp, id, EAPSRP_LWRECHALLENGE, dig,
+ SHA_DIGESTSIZE);
+ }
+ break;
default:
error("EAP: unknown SRP Subtype %d", vallen);
break;
}
break;
-#endif /* USE_SRP */
-
-#ifdef CHAPMS
+#endif /* PPP_WITH_SRP */
+
+#ifdef PPP_WITH_CHAPMS
case EAPT_MSCHAPV2:
if (len < 4) {
error("EAP: received invalid MSCHAPv2 packet, too short");
eap_send_nak(esp, id, EAPT_SRP);
break;
}
+ esp->es_client.ea_namelen = strlen(esp->es_client.ea_name);
/* Create the MSCHAPv2 response (and add to cache) */
unsigned char response[MS_CHAP2_RESPONSE_LEN+1]; // VLEN + VALUE
}
break;
-#endif /* CHAPMS */
-#ifdef USE_PEAP
+#endif /* PPP_WITH_CHAPMS */
+#ifdef PPP_WITH_PEAP
case EAPT_PEAP:
/* Initialize the PEAP context (if not already initialized) */
}
break;
-#endif /* USE_PEAP */
+#endif // PPP_WITH_PEAP
default:
info("EAP: unknown authentication type %d; Naking", typenum);
UNTIMEOUT(eap_client_timeout, (void *)esp);
}
esp->es_client.ea_session = NULL;
-#ifdef USE_SRP
+#ifdef PPP_WITH_SRP
t_clientclose(tc);
auth_withpeer_fail(esp->es_unit, PPP_EAP);
-#endif /* USE_SRP */
+#endif /* PPP_WITH_SRP */
}
/*
int secret_len;
char secret[MAXSECRETLEN];
char rhostname[256];
- MD5_CTX mdContext;
+ PPP_MD_CTX *mdctx;
u_char hash[MD5_SIGNATURE_SIZE];
-#ifdef USE_SRP
+ int hashlen = MD5_SIGNATURE_SIZE;
+#ifdef PPP_WITH_SRP
struct t_server *ts;
struct t_num A;
- SHA1_CTX ctxt;
+ PPP_MD_CTX *ctxt;
u_char dig[SHA_DIGESTSIZE];
-#endif /* USE_SRP */
+ int diglen = sizeof(dig);
+#endif /* PPP_WITH_SRP */
-#ifdef USE_EAPTLS
+#ifdef PPP_WITH_EAPTLS
struct eaptls_session *ets;
u_char flags;
-#endif /* USE_EAPTLS */
-#ifdef CHAPMS
+#endif /* PPP_WITH_EAPTLS */
+#ifdef PPP_WITH_CHAPMS
u_char opcode;
int (*chap_verifier)(char *, char *, int, struct chap_digest_type *,
unsigned char *, unsigned char *, char *, int);
char response_message[256];
-#endif /* CHAPMS */
+#endif /* PPP_WITH_CHAPMS */
/*
* Ignore responses if we're not open
eap_figure_next_state(esp, 0);
break;
-#ifdef USE_EAPTLS
+#ifdef PPP_WITH_EAPTLS
case EAPT_TLS:
switch(esp->es_server.ea_state) {
GETCHAR(flags, inp);
if(len == 1 && !flags) { /* Ack = ok */
-#ifdef MPPE
+#ifdef PPP_WITH_MPPE
eaptls_gen_mppe_keys( esp->es_server.ea_session, 0 );
#endif
eap_send_success(esp);
break;
}
break;
-#endif /* USE_EAPTLS */
+#endif /* PPP_WITH_EAPTLS */
case EAPT_NOTIFICATION:
dbglog("EAP unexpected Notification; response discarded");
esp->es_server.ea_state = eapMD5Chall;
break;
-#ifdef USE_EAPTLS
+#ifdef PPP_WITH_EAPTLS
/* Send EAP-TLS start packet */
case EAPT_TLS:
esp->es_server.ea_state = eapTlsStart;
break;
-#endif /* USE_EAPTLS */
+#endif /* PPP_WITH_EAPTLS */
-#ifdef CHAPMS
+#ifdef PPP_WITH_CHAPMS
case EAPT_MSCHAPV2:
info("EAP: peer proposes MSCHAPv2");
/* If MSCHAPv2 digest was not found, NAK the packet */
}
esp->es_server.ea_state = eapMSCHAPv2Chall;
break;
-#endif /* CHAPMS */
+#endif /* PPP_WITH_CHAPMS */
default:
dbglog("EAP: peer requesting unknown Type %d", vallen);
eap_send_failure(esp);
break;
}
- MD5_Init(&mdContext);
- MD5_Update(&mdContext, &esp->es_server.ea_id, 1);
- MD5_Update(&mdContext, (u_char *)secret, secret_len);
- BZERO(secret, sizeof (secret));
- MD5_Update(&mdContext, esp->es_challenge, esp->es_challen);
- MD5_Final(hash, &mdContext);
- if (BCMP(hash, inp, MD5_SIGNATURE_SIZE) != 0) {
- eap_send_failure(esp);
- break;
- }
- esp->es_server.ea_type = EAPT_MD5CHAP;
- eap_send_success(esp);
- eap_figure_next_state(esp, 0);
- if (esp->es_rechallenge != 0)
- TIMEOUT(eap_rechallenge, esp, esp->es_rechallenge);
+
+ mdctx = PPP_MD_CTX_new();
+ if (mdctx != NULL) {
+
+ if (PPP_DigestInit(mdctx, PPP_md5())) {
+
+ if (PPP_DigestUpdate(mdctx, &esp->es_server.ea_id, 1)) {
+
+ if (PPP_DigestUpdate(mdctx, &secret, secret_len)) {
+
+ BZERO(secret, sizeof(secret));
+ if (PPP_DigestUpdate(mdctx, esp->es_challenge, esp->es_challen)) {
+
+ if (PPP_DigestFinal(mdctx, hash, &hashlen)) {
+
+ if (BCMP(hash, inp, MD5_SIGNATURE_SIZE) == 0) {
+
+ esp->es_server.ea_type = EAPT_MD5CHAP;
+ eap_send_success(esp);
+ eap_figure_next_state(esp, 0);
+
+ if (esp->es_rechallenge != 0) {
+ TIMEOUT(eap_rechallenge, esp, esp->es_rechallenge);
+ }
+ PPP_MD_CTX_free(mdctx);
+ break;
+ }
+ }
+ }
+ }
+ }
+ }
+
+ PPP_MD_CTX_free(mdctx);
+ }
+
+ eap_send_failure(esp);
break;
-#ifdef CHAPMS
+#ifdef PPP_WITH_CHAPMS
case EAPT_MSCHAPV2:
if (len < 1) {
error("EAP: received MSCHAPv2 with no data");
}
break;
-#endif /* CHAPMS */
+#endif /* PPP_WITH_CHAPMS */
-#ifdef USE_SRP
+#ifdef PPP_WITH_SRP
case EAPT_SRP:
if (len < 1) {
error("EAP: empty SRP Response");
"response");
return;
}
- SHA1Init(&ctxt);
- vallen = id;
- SHA1Update(&ctxt, &vallen, 1);
- SHA1Update(&ctxt, esp->es_server.ea_skey,
- SESSION_KEY_LEN);
- SHA1Update(&ctxt, esp->es_challenge, esp->es_challen);
- SHA1Update(&ctxt, esp->es_server.ea_peer,
- esp->es_server.ea_peerlen);
- SHA1Final(dig, &ctxt);
- if (BCMP(dig, inp, SHA_DIGESTSIZE) != 0) {
- error("EAP: failed Lightweight rechallenge");
- eap_send_failure(esp);
- break;
- }
- esp->es_server.ea_state = eapOpen;
- if (esp->es_lwrechallenge != 0)
- TIMEOUT(srp_lwrechallenge, esp,
- esp->es_lwrechallenge);
+ ctxt = PPP_MD_CTX_new();
+ if (ctxt) {
+ vallen = id;
+
+ PPP_DigestInit(ctxt, PPP_sha1());
+ PPP_DigestUpdate(ctxt, &vallen, 1);
+ PPP_DigestUpdate(ctxt, esp->es_server.ea_skey,
+ SESSION_KEY_LEN);
+ PPP_DigestUpdate(ctxt, esp->es_challenge, esp->es_challen);
+ PPP_DigestUpdate(ctxt, esp->es_server.ea_peer,
+ esp->es_server.ea_peerlen);
+ PPP_DigestFinal(ctxt, dig, &diglen);
+
+ PPP_MD_CTX_free(ctxt);
+
+ if (BCMP(dig, inp, SHA_DIGEST_LENGTH) != 0) {
+ error("EAP: failed Lightweight rechallenge");
+ eap_send_failure(esp);
+ break;
+ }
+
+ esp->es_server.ea_state = eapOpen;
+ if (esp->es_lwrechallenge != 0)
+ TIMEOUT(srp_lwrechallenge, esp,
+ esp->es_lwrechallenge);
+ }
break;
}
break;
-#endif /* USE_SRP */
+#endif /* PPP_WITH_SRP */
default:
/* This can't happen. */
eap_success(eap_state *esp, u_char *inp, int id, int len)
{
if (esp->es_client.ea_state != eapOpen && !eap_client_active(esp)
-#ifdef USE_EAPTLS
+#ifdef PPP_WITH_EAPTLS
&& esp->es_client.ea_state != eapTlsRecvSuccess
-#endif /* USE_EAPTLS */
+#endif /* PPP_WITH_EAPTLS */
) {
dbglog("EAP unexpected success message in state %s (%d)",
eap_state_name(esp->es_client.ea_state),
return;
}
-#ifdef USE_EAPTLS
+#ifdef PPP_WITH_EAPTLS
if(esp->es_client.ea_using_eaptls && esp->es_client.ea_state !=
eapTlsRecvSuccess) {
dbglog("EAP-TLS unexpected success message in state %s (%d)",
esp->es_client.ea_state);
return;
}
-#endif /* USE_EAPTLS */
+#endif /* PPP_WITH_EAPTLS */
if (esp->es_client.ea_timeout > 0) {
UNTIMEOUT(eap_client_timeout, (void *)esp);
PRINTMSG(inp, len);
}
-#ifdef USE_PEAP
+#ifdef PPP_WITH_PEAP
peap_finish(&esp->ea_peap);
#endif
error("EAP: peer reports authentication failure");
-#ifdef USE_PEAP
+#ifdef PPP_WITH_PEAP
peap_finish(&esp->ea_peap);
#endif
int code, id, len, rtype, vallen;
u_char *pstart;
u_int32_t uval;
-#ifdef USE_EAPTLS
+#ifdef PPP_WITH_EAPTLS
u_char flags;
-#endif /* USE_EAPTLS */
-#ifdef CHAPMS
+#endif /* PPP_WITH_EAPTLS */
+#ifdef PPP_WITH_CHAPMS
u_char opcode;
-#endif /* CHAPMS */
+#endif /* PPP_WITH_CHAPMS */
if (inlen < EAP_HEADERLEN)
return (0);
}
break;
-#ifdef CHAPMS
+#ifdef PPP_WITH_CHAPMS
case EAPT_MSCHAPV2:
if (len <= 0)
break;
break;
}
break;
-#endif /* CHAPMS */
+#endif /* PPP_WITH_CHAPMS */
-#ifdef USE_EAPTLS
+#ifdef PPP_WITH_EAPTLS
case EAPT_TLS:
if (len < 1)
break;
printer(arg, flags & EAP_TLS_FLAGS_MF ? "M":"-");
printer(arg, flags & EAP_TLS_FLAGS_START ? "S":"- ");
break;
-#endif /* USE_EAPTLS */
+#endif /* PPP_WITH_EAPTLS */
-#ifdef USE_SRP
+#ifdef PPP_WITH_SRP
case EAPT_SRP:
if (len < 3)
goto truncated;
break;
}
break;
-#endif /* USE_SRP */
+#endif /* PPP_WITH_SRP */
}
break;
}
break;
-#ifdef USE_EAPTLS
+#ifdef PPP_WITH_EAPTLS
case EAPT_TLS:
if (len < 1)
break;
printer(arg, flags & EAP_TLS_FLAGS_START ? "S":"- ");
break;
-#endif /* USE_EAPTLS */
+#endif /* PPP_WITH_EAPTLS */
case EAPT_NAK:
if (len <= 0) {
}
break;
-#ifdef CHAPMS
+#ifdef PPP_WITH_CHAPMS
case EAPT_MSCHAPV2:
if (len <= 0)
break;
break;
}
break;
-#endif /* CHAPMS */
+#endif /* PPP_WITH_CHAPMS */
-#ifdef USE_SRP
+#ifdef PPP_WITH_SRP
case EAPT_SRP:
if (len < 1)
goto truncated;
break;
}
break;
-#endif /* USE_SRP */
+#endif /* PPP_WITH_SRP */
}
break;
projects / ppp.git / blobdiff