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Andrew Bartlett patch to cope with Exchange 5.5 cleartext pop password auth.

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Jeremy.
(This used to be commit 2d09d8c9d9)
This commit is contained in:
Jeremy Allison 2003-10-24 01:19:23 +00:00
parent a36be30e08
commit 7967eeb659
1 changed files with 16 additions and 0 deletions
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16
source3/auth/auth_sam.c
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@ -172,6 +172,22 @@ static NTSTATUS sam_password_ok(const struct auth_context *auth_context,
pdb_get_username(sampass)));
/* No return, we want to check the LM hash below in this case */
auth_flags &= (~(AUTH_FLAG_NTLMv2_RESP | AUTH_FLAG_NTLM_RESP));
} else {
/* Check for cleartext netlogon. Used by Exchange 5.5. */
unsigned char zeros[8];
memset(zeros,'\0',sizeof(zeros));
if (auth_context->challenge.length == sizeof(zeros) &&
(memcmp(auth_context->challenge.data, zeros, auth_context->challenge.length) == 0 ) &&
user_info->nt_resp.length) {
if ((nt_pw = pdb_get_nt_passwd(sampass)) != NULL) {
unsigned char pwhash[16];
mdfour(pwhash, user_info->nt_resp.data, user_info->nt_resp.length);
if (memcmp(pwhash, nt_pw, sizeof(pwhash)) == 0) {
return NT_STATUS_OK;
}
}
}
}
if (auth_flags & AUTH_FLAG_NTLMv2_RESP) {