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Don't forget to process the Ident field on the front of

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RAD_MICROSOFT_MS_CHAP_ERROR and RAD_MICROSOFT_MS_CHAP2_SUCCESS
messages, and remove the hack in chap.c to ignore that ident field
on the client side.

This anomoly was hacked around during development, and I forgot to
go back and fix it properly.

Spotted by: Sergey Korolew <ds@rt.balakovo.ru>
This commit is contained in:
Brian Somers 2002-06-12 21:36:07 +00:00
parent 5fb49f9fd6
commit a95b23a6b2
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=98149
2 changed files with 26 additions and 16 deletions
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3
usr.sbin/ppp/chap.c
View File

@ -926,8 +926,7 @@ chap_Input(struct bundle *bundle, struct link *l, struct mbuf *bp)
if (p->link.lcp.auth_ineed == 0) {
#ifndef NODES
if (p->link.lcp.his_authtype == 0x81) {
if (strncmp(ans, chap->authresponse, 42) &&
(*ans != 1 || strncmp(ans + 1, chap->authresponse, 41))) {
if (strncmp(ans, chap->authresponse, 42)) {
datalink_AuthNotOk(p->dl);
log_Printf(LogWARN, "CHAP81: AuthenticatorResponse: (%.42s)"
" != ans: (%.42s)\n", chap->authresponse, ans);

39
usr.sbin/ppp/radius.c
View File

@ -417,26 +417,37 @@ radius_Process(struct radius *r, int got)
#ifndef NODES
case RAD_MICROSOFT_MS_CHAP_ERROR:
free(r->errstr);
if ((r->errstr = rad_cvt_string(data, len)) == NULL) {
log_Printf(LogERROR, "rad_cvt_string: %s\n",
rad_strerror(r->cx.rad));
auth_Failure(r->cx.auth);
rad_close(r->cx.rad);
return;
if (len == 0)
r->errstr = NULL;
else {
if ((r->errstr = rad_cvt_string((const char *)data + 1,
len - 1)) == NULL) {
log_Printf(LogERROR, "rad_cvt_string: %s\n",
rad_strerror(r->cx.rad));
auth_Failure(r->cx.auth);
rad_close(r->cx.rad);
return;
}
log_Printf(LogPHASE, " MS-CHAP-Error \"%s\"\n", r->errstr);
}
log_Printf(LogPHASE, " MS-CHAP-Error \"%s\"\n", r->errstr);
break;
case RAD_MICROSOFT_MS_CHAP2_SUCCESS:
free(r->msrepstr);
if ((r->msrepstr = rad_cvt_string(data, len)) == NULL) {
log_Printf(LogERROR, "rad_cvt_string: %s\n",
rad_strerror(r->cx.rad));
auth_Failure(r->cx.auth);
rad_close(r->cx.rad);
return;
if (len == 0)
r->msrepstr = NULL;
else {
if ((r->msrepstr = rad_cvt_string((const char *)data + 1,
len - 1)) == NULL) {
log_Printf(LogERROR, "rad_cvt_string: %s\n",
rad_strerror(r->cx.rad));
auth_Failure(r->cx.auth);
rad_close(r->cx.rad);
return;
}
log_Printf(LogPHASE, " MS-CHAP2-Success \"%s\"\n",
r->msrepstr);
}
log_Printf(LogPHASE, " MS-CHAP2-Success \"%s\"\n", r->msrepstr);
break;
case RAD_MICROSOFT_MS_MPPE_ENCRYPTION_POLICY: