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This patch corrects some errors in the NTLMSSP implementation, that

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would incorrectly return INVALID_PARAMETER, instead of allowing a
login.

Andrew Bartlett
This commit is contained in:
Andrew Bartlett 0001-01-01 00:00:00 +00:00
parent f5afaafd61
commit 76c59469a3
1 changed files with 18 additions and 9 deletions
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15
source/libsmb/ntlmssp.c
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@ -577,6 +577,9 @@ static NTSTATUS ntlmssp_server_auth(struct ntlmssp_state *ntlmssp_state,
}
}
if (auth_flags)
ntlmssp_handle_neg_flags(ntlmssp_state, auth_flags, lp_lanman_auth());
if (!NT_STATUS_IS_OK(nt_status = ntlmssp_set_domain(ntlmssp_state, domain))) {
SAFE_FREE(domain);
SAFE_FREE(user);
@ -671,19 +674,25 @@ static NTSTATUS ntlmssp_server_auth(struct ntlmssp_state *ntlmssp_state,
DEBUG(10,("ntlmssp_server_auth: Created NTLM2 session key.\n"));
dump_data_pw("NTLM2 session key:\n", session_key.data, session_key.length);
}else {
} else {
data_blob_free(&encrypted_session_key);
DEBUG(10,("ntlmssp_server_auth: Failed to create NTLM2 session key.\n"));
return NT_STATUS_INVALID_PARAMETER;
}
} else if (ntlmssp_state->neg_flags & NTLMSSP_NEGOTIATE_LM_KEY) {
if (lm_session_key.data && lm_session_key.length >= 8 &&
ntlmssp_state->lm_resp.data && ntlmssp_state->lm_resp.length == 24) {
if (lm_session_key.data && lm_session_key.length >= 8) {
if (ntlmssp_state->lm_resp.data && ntlmssp_state->lm_resp.length == 24) {
session_key = data_blob_talloc(ntlmssp_state->mem_ctx, NULL, 16);
SMBsesskeygen_lm_sess_key(lm_session_key.data, ntlmssp_state->lm_resp.data,
session_key.data);
DEBUG(10,("ntlmssp_server_auth: Created NTLM session key.\n"));
dump_data_pw("LM session key:\n", session_key.data, session_key.length);
} else {
/* use the key unmodified - it's
* probably a NULL key from the guest
* login */
session_key = lm_session_key;
}
} else {
data_blob_free(&encrypted_session_key);
DEBUG(10,("ntlmssp_server_auth: Failed to create NTLM session key.\n"));