NLTMSSP wrappers
Copyright (C) Andrew Tridgell 2001
- Copyright (C) Andrew Bartlett 2001-2003
+ Copyright (C) Andrew Bartlett 2001-2003,2011
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
*/
#include "includes.h"
-#include "libcli/auth/ntlmssp.h"
+#include "auth/ntlmssp/ntlmssp.h"
#include "ntlmssp_wrap.h"
#include "auth/gensec/gensec.h"
+#include "auth/credentials/credentials.h"
+#include "librpc/rpc/dcerpc.h"
+#include "lib/param/param.h"
NTSTATUS auth_ntlmssp_sign_packet(struct auth_ntlmssp_state *ans,
TALLOC_CTX *sig_mem_ctx,
size_t pdu_length,
DATA_BLOB *sig)
{
- if (ans->gensec_security) {
- return gensec_sign_packet(ans->gensec_security,
- sig_mem_ctx, data, length, whole_pdu, pdu_length, sig);
- }
- return ntlmssp_sign_packet(ans->ntlmssp_state,
- sig_mem_ctx,
- data, length,
- whole_pdu, pdu_length,
- sig);
+ return gensec_sign_packet(ans->gensec_security,
+ sig_mem_ctx, data, length, whole_pdu, pdu_length, sig);
}
NTSTATUS auth_ntlmssp_check_packet(struct auth_ntlmssp_state *ans,
size_t pdu_length,
const DATA_BLOB *sig)
{
- if (ans->gensec_security) {
- return gensec_check_packet(ans->gensec_security,
- data, length, whole_pdu, pdu_length, sig);
- }
- return ntlmssp_check_packet(ans->ntlmssp_state,
- data, length,
- whole_pdu, pdu_length,
- sig);
+ return gensec_check_packet(ans->gensec_security,
+ data, length, whole_pdu, pdu_length, sig);
}
NTSTATUS auth_ntlmssp_seal_packet(struct auth_ntlmssp_state *ans,
size_t pdu_length,
DATA_BLOB *sig)
{
- if (ans->gensec_security) {
- return gensec_seal_packet(ans->gensec_security,
- sig_mem_ctx, data, length, whole_pdu, pdu_length, sig);
- }
- return ntlmssp_seal_packet(ans->ntlmssp_state,
- sig_mem_ctx,
- data, length,
- whole_pdu, pdu_length,
- sig);
+ return gensec_seal_packet(ans->gensec_security,
+ sig_mem_ctx, data, length, whole_pdu, pdu_length, sig);
}
NTSTATUS auth_ntlmssp_unseal_packet(struct auth_ntlmssp_state *ans,
size_t pdu_length,
const DATA_BLOB *sig)
{
- if (ans->gensec_security) {
- return gensec_unseal_packet(ans->gensec_security,
- data, length, whole_pdu, pdu_length, sig);
- }
- return ntlmssp_unseal_packet(ans->ntlmssp_state,
- data, length,
- whole_pdu, pdu_length,
- sig);
-}
-
-bool auth_ntlmssp_negotiated_sign(struct auth_ntlmssp_state *ans)
-{
- if (ans->gensec_security) {
- return gensec_have_feature(ans->gensec_security, GENSEC_FEATURE_SIGN);
- }
- return ans->ntlmssp_state->neg_flags & NTLMSSP_NEGOTIATE_SIGN;
-}
-
-bool auth_ntlmssp_negotiated_seal(struct auth_ntlmssp_state *ans)
-{
- if (ans->gensec_security) {
- return gensec_have_feature(ans->gensec_security, GENSEC_FEATURE_SEAL);
- }
- return ans->ntlmssp_state->neg_flags & NTLMSSP_NEGOTIATE_SEAL;
-}
-
-/* Needed for 'smb username' processing */
-const char *auth_ntlmssp_get_username(struct auth_ntlmssp_state *ans)
-{
- if (ans->gensec_security) {
- return ""; /* We can't get at this value, and it's just for the %U macros */
- }
- return ans->ntlmssp_state->user;
-}
-
-const uint8_t *auth_ntlmssp_get_nt_hash(struct auth_ntlmssp_state *ans)
-{
- return ans->ntlmssp_state->nt_hash;
+ return gensec_unseal_packet(ans->gensec_security,
+ data, length, whole_pdu, pdu_length, sig);
}
NTSTATUS auth_ntlmssp_set_username(struct auth_ntlmssp_state *ans,
const char *user)
{
- return ntlmssp_set_username(ans->ntlmssp_state, user);
+ cli_credentials_set_username(ans->credentials, user, CRED_SPECIFIED);
+ return NT_STATUS_OK;
}
NTSTATUS auth_ntlmssp_set_domain(struct auth_ntlmssp_state *ans,
const char *domain)
{
- return ntlmssp_set_domain(ans->ntlmssp_state, domain);
+ cli_credentials_set_domain(ans->credentials, domain, CRED_SPECIFIED);
+ return NT_STATUS_OK;
}
NTSTATUS auth_ntlmssp_set_password(struct auth_ntlmssp_state *ans,
const char *password)
{
- return ntlmssp_set_password(ans->ntlmssp_state, password);
+ cli_credentials_set_password(ans->credentials, password, CRED_SPECIFIED);
+ return NT_STATUS_OK;
}
-void auth_ntlmssp_and_flags(struct auth_ntlmssp_state *ans, uint32_t flags)
+void auth_ntlmssp_want_feature(struct auth_ntlmssp_state *ans, uint32_t feature)
{
- ans->ntlmssp_state->neg_flags &= flags;
+ if (feature & NTLMSSP_FEATURE_SESSION_KEY) {
+ gensec_want_feature(ans->gensec_security, GENSEC_FEATURE_SESSION_KEY);
+ }
+ if (feature & NTLMSSP_FEATURE_SIGN) {
+ gensec_want_feature(ans->gensec_security, GENSEC_FEATURE_SIGN);
+ }
+ if (feature & NTLMSSP_FEATURE_SEAL) {
+ gensec_want_feature(ans->gensec_security, GENSEC_FEATURE_SEAL);
+ }
}
-void auth_ntlmssp_or_flags(struct auth_ntlmssp_state *ans, uint32_t flags)
+DATA_BLOB auth_ntlmssp_get_session_key(struct auth_ntlmssp_state *ans, TALLOC_CTX *mem_ctx)
{
- ans->ntlmssp_state->neg_flags |= flags;
+ DATA_BLOB session_key;
+ NTSTATUS status = gensec_session_key(ans->gensec_security, mem_ctx, &session_key);
+ if (NT_STATUS_IS_OK(status)) {
+ return session_key;
+ } else {
+ return data_blob_null;
+ }
}
-void auth_ntlmssp_want_feature(struct auth_ntlmssp_state *ans, uint32_t feature)
+static NTSTATUS gensec_ntlmssp3_client_update(struct gensec_security *gensec_security,
+ TALLOC_CTX *out_mem_ctx,
+ struct tevent_context *ev,
+ const DATA_BLOB request,
+ DATA_BLOB *reply)
{
- if (ans->gensec_security) {
- /* You need to negotiate signing to get a windows server to calculate a session key */
- if (feature & NTLMSSP_FEATURE_SESSION_KEY) {
- return gensec_want_feature(ans->gensec_security, GENSEC_FEATURE_SESSION_KEY);
- }
- if (feature & NTLMSSP_FEATURE_SIGN) {
- return gensec_want_feature(ans->gensec_security, GENSEC_FEATURE_SIGN);
- }
- if (feature & NTLMSSP_FEATURE_SEAL) {
- return gensec_want_feature(ans->gensec_security, GENSEC_FEATURE_SEAL);
- }
- } else {
- ntlmssp_want_feature(ans->ntlmssp_state, feature);
+ NTSTATUS status;
+ struct gensec_ntlmssp_context *gensec_ntlmssp =
+ talloc_get_type_abort(gensec_security->private_data,
+ struct gensec_ntlmssp_context);
+
+ status = ntlmssp_update(gensec_ntlmssp->ntlmssp_state, request, reply);
+ if (NT_STATUS_IS_OK(status) ||
+ NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
+ talloc_steal(out_mem_ctx, reply->data);
}
+
+ return status;
}
-DATA_BLOB auth_ntlmssp_get_session_key(struct auth_ntlmssp_state *ans, TALLOC_CTX *mem_ctx)
+static NTSTATUS gensec_ntlmssp3_client_start(struct gensec_security *gensec_security)
{
- if (ans->gensec_security) {
- DATA_BLOB session_key;
- NTSTATUS status = gensec_session_key(ans->gensec_security, mem_ctx, &session_key);
- if (NT_STATUS_IS_OK(status)) {
- return session_key;
- } else {
- return data_blob_null;
- }
- }
- return data_blob_talloc(mem_ctx, ans->ntlmssp_state->session_key.data, ans->ntlmssp_state->session_key.length);
+ NTSTATUS nt_status;
+ struct gensec_ntlmssp_context *gensec_ntlmssp;
+ const char *user, *domain;
+ const char *password;
+
+ nt_status = gensec_ntlmssp_start(gensec_security);
+ NT_STATUS_NOT_OK_RETURN(nt_status);
+
+ gensec_ntlmssp =
+ talloc_get_type_abort(gensec_security->private_data,
+ struct gensec_ntlmssp_context);
+
+ nt_status = ntlmssp_client_start(gensec_ntlmssp,
+ lp_netbios_name(), lp_workgroup(),
+ lp_client_ntlmv2_auth(), &gensec_ntlmssp->ntlmssp_state);
+ if (!NT_STATUS_IS_OK(nt_status)) {
+ return nt_status;
+ }
+
+ cli_credentials_get_ntlm_username_domain(gensec_security->credentials, gensec_ntlmssp, &user, &domain);
+ if (!user || !domain) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ nt_status = ntlmssp_set_username(gensec_ntlmssp->ntlmssp_state, user);
+ if (!NT_STATUS_IS_OK(nt_status)) {
+ return nt_status;
+ }
+
+ nt_status = ntlmssp_set_domain(gensec_ntlmssp->ntlmssp_state, domain);
+ if (!NT_STATUS_IS_OK(nt_status)) {
+ return nt_status;
+ }
+
+ password = cli_credentials_get_password(gensec_security->credentials);
+ if (!password) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ nt_status = ntlmssp_set_password(gensec_ntlmssp->ntlmssp_state, password);
+ if (!NT_STATUS_IS_OK(nt_status)) {
+ return nt_status;
+ }
+
+ if (gensec_ntlmssp->gensec_security->want_features & GENSEC_FEATURE_SESSION_KEY) {
+ gensec_ntlmssp->ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_SIGN;
+ }
+ if (gensec_ntlmssp->gensec_security->want_features & GENSEC_FEATURE_SIGN) {
+ gensec_ntlmssp->ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_SIGN;
+ }
+ if (gensec_ntlmssp->gensec_security->want_features & GENSEC_FEATURE_SEAL) {
+ gensec_ntlmssp->ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_SIGN;
+ gensec_ntlmssp->ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_SEAL;
+ }
+
+ return NT_STATUS_OK;
}
-NTSTATUS auth_ntlmssp_update(struct auth_ntlmssp_state *ans,
- const DATA_BLOB request, DATA_BLOB *reply)
+static const char *gensec_ntlmssp3_client_oids[] = {
+ GENSEC_OID_NTLMSSP,
+ NULL
+};
+
+static const struct gensec_security_ops gensec_ntlmssp3_client_ops = {
+ .name = "ntlmssp3_client",
+ .sasl_name = GENSEC_SASL_NAME_NTLMSSP, /* "NTLM" */
+ .auth_type = DCERPC_AUTH_TYPE_NTLMSSP,
+ .oid = gensec_ntlmssp3_client_oids,
+ .client_start = gensec_ntlmssp3_client_start,
+ .magic = gensec_ntlmssp_magic,
+ .update = gensec_ntlmssp3_client_update,
+ .sig_size = gensec_ntlmssp_sig_size,
+ .sign_packet = gensec_ntlmssp_sign_packet,
+ .check_packet = gensec_ntlmssp_check_packet,
+ .seal_packet = gensec_ntlmssp_seal_packet,
+ .unseal_packet = gensec_ntlmssp_unseal_packet,
+ .wrap = gensec_ntlmssp_wrap,
+ .unwrap = gensec_ntlmssp_unwrap,
+ .session_key = gensec_ntlmssp_session_key,
+ .have_feature = gensec_ntlmssp_have_feature,
+ .enabled = true,
+ .priority = GENSEC_NTLMSSP
+};
+
+NTSTATUS auth_ntlmssp_client_prepare(TALLOC_CTX *mem_ctx, struct auth_ntlmssp_state **auth_ntlmssp_state)
{
- if (ans->gensec_security) {
- return gensec_update(ans->gensec_security, ans, request, reply);
+ struct auth_ntlmssp_state *ans;
+ NTSTATUS nt_status;
+
+ struct gensec_settings *gensec_settings;
+ struct loadparm_context *lp_ctx;
+
+ ans = talloc_zero(mem_ctx, struct auth_ntlmssp_state);
+ if (!ans) {
+ DEBUG(0,("auth_ntlmssp_start: talloc failed!\n"));
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ lp_ctx = loadparm_init_s3(ans, loadparm_s3_context());
+ if (lp_ctx == NULL) {
+ DEBUG(10, ("loadparm_init_s3 failed\n"));
+ TALLOC_FREE(ans);
+ return NT_STATUS_INVALID_SERVER_STATE;
+ }
+
+ gensec_settings = lpcfg_gensec_settings(ans, lp_ctx);
+ if (lp_ctx == NULL) {
+ DEBUG(10, ("lpcfg_gensec_settings failed\n"));
+ TALLOC_FREE(ans);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ nt_status = gensec_client_start(ans, &ans->gensec_security, gensec_settings);
+
+ if (!NT_STATUS_IS_OK(nt_status)) {
+ TALLOC_FREE(ans);
+ return nt_status;
+ }
+
+ ans->credentials = cli_credentials_init(ans);
+ if (!ans->credentials) {
+ TALLOC_FREE(ans);
+ return NT_STATUS_NO_MEMORY;
}
- return ntlmssp_update(ans->ntlmssp_state, request, reply);
+
+ cli_credentials_guess(ans->credentials, lp_ctx);
+
+ talloc_unlink(ans, lp_ctx);
+ talloc_unlink(ans, gensec_settings);
+
+ *auth_ntlmssp_state = ans;
+ return NT_STATUS_OK;
}
-NTSTATUS auth_ntlmssp_client_start(TALLOC_CTX *mem_ctx,
- const char *netbios_name,
- const char *netbios_domain,
- bool use_ntlmv2,
- struct auth_ntlmssp_state **_ans)
+NTSTATUS auth_ntlmssp_client_start(struct auth_ntlmssp_state *ans)
{
- struct auth_ntlmssp_state *ans;
NTSTATUS status;
- ans = talloc_zero(mem_ctx, struct auth_ntlmssp_state);
+ /* Transfer the credentials to gensec */
+ status = gensec_set_credentials(ans->gensec_security, ans->credentials);
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(1, ("Failed to set GENSEC credentials: %s\n",
+ nt_errstr(status)));
+ return status;
+ }
+ talloc_unlink(ans, ans->credentials);
+ ans->credentials = NULL;
- status = ntlmssp_client_start(ans,
- netbios_name, netbios_domain,
- use_ntlmv2, &ans->ntlmssp_state);
+ status = gensec_start_mech_by_ops(ans->gensec_security,
+ &gensec_ntlmssp3_client_ops);
if (!NT_STATUS_IS_OK(status)) {
return status;
}
- *_ans = ans;
return NT_STATUS_OK;
}
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