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
- the Free Software Foundation; either version 2 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
#include "auth/ntlmssp/ntlmssp.h"
-#include "auth/ntlmssp/msrpc_parse.h"
+#include "../libcli/auth/libcli_auth.h"
#include "librpc/gen_ndr/ndr_dcerpc.h"
-#include "auth/credentials/credentials.h"
#include "auth/gensec/gensec.h"
-#include "auth/auth.h"
+#include "auth/gensec/gensec_proto.h"
/**
* Callbacks for NTLMSSP - for both client and server operating modes
},{
.role = NTLMSSP_SERVER,
.command = NTLMSSP_NEGOTIATE,
- .sync_fn = ntlmssp_server_negotiate,
+ .sync_fn = gensec_ntlmssp_server_negotiate,
},{
.role = NTLMSSP_CLIENT,
.command = NTLMSSP_CHALLENGE,
},{
.role = NTLMSSP_SERVER,
.command = NTLMSSP_AUTH,
- .sync_fn = ntlmssp_server_auth,
+ .sync_fn = gensec_ntlmssp_server_auth,
}
};
-/**
- * Print out the NTLMSSP flags for debugging
- * @param neg_flags The flags from the packet
- */
-
-void debug_ntlmssp_flags(uint32_t neg_flags)
-{
- DEBUG(3,("Got NTLMSSP neg_flags=0x%08x\n", neg_flags));
-
- if (neg_flags & NTLMSSP_NEGOTIATE_UNICODE)
- DEBUGADD(4, (" NTLMSSP_NEGOTIATE_UNICODE\n"));
- if (neg_flags & NTLMSSP_NEGOTIATE_OEM)
- DEBUGADD(4, (" NTLMSSP_NEGOTIATE_OEM\n"));
- if (neg_flags & NTLMSSP_REQUEST_TARGET)
- DEBUGADD(4, (" NTLMSSP_REQUEST_TARGET\n"));
- if (neg_flags & NTLMSSP_NEGOTIATE_SIGN)
- DEBUGADD(4, (" NTLMSSP_NEGOTIATE_SIGN\n"));
- if (neg_flags & NTLMSSP_NEGOTIATE_SEAL)
- DEBUGADD(4, (" NTLMSSP_NEGOTIATE_SEAL\n"));
- if (neg_flags & NTLMSSP_NEGOTIATE_DATAGRAM_STYLE)
- DEBUGADD(4, (" NTLMSSP_NEGOTIATE_DATAGRAM_STYLE\n"));
- if (neg_flags & NTLMSSP_NEGOTIATE_LM_KEY)
- DEBUGADD(4, (" NTLMSSP_NEGOTIATE_LM_KEY\n"));
- if (neg_flags & NTLMSSP_NEGOTIATE_NETWARE)
- DEBUGADD(4, (" NTLMSSP_NEGOTIATE_NETWARE\n"));
- if (neg_flags & NTLMSSP_NEGOTIATE_NTLM)
- DEBUGADD(4, (" NTLMSSP_NEGOTIATE_NTLM\n"));
- if (neg_flags & NTLMSSP_NEGOTIATE_DOMAIN_SUPPLIED)
- DEBUGADD(4, (" NTLMSSP_NEGOTIATE_DOMAIN_SUPPLIED\n"));
- if (neg_flags & NTLMSSP_NEGOTIATE_WORKSTATION_SUPPLIED)
- DEBUGADD(4, (" NTLMSSP_NEGOTIATE_WORKSTATION_SUPPLIED\n"));
- if (neg_flags & NTLMSSP_NEGOTIATE_THIS_IS_LOCAL_CALL)
- DEBUGADD(4, (" NTLMSSP_NEGOTIATE_THIS_IS_LOCAL_CALL\n"));
- if (neg_flags & NTLMSSP_NEGOTIATE_ALWAYS_SIGN)
- DEBUGADD(4, (" NTLMSSP_NEGOTIATE_ALWAYS_SIGN\n"));
- if (neg_flags & NTLMSSP_CHAL_ACCEPT_RESPONSE)
- DEBUGADD(4, (" NTLMSSP_CHAL_ACCEPT_RESPONSE\n"));
- if (neg_flags & NTLMSSP_CHAL_NON_NT_SESSION_KEY)
- DEBUGADD(4, (" NTLMSSP_CHAL_NON_NT_SESSION_KEY\n"));
- if (neg_flags & NTLMSSP_NEGOTIATE_NTLM2)
- DEBUGADD(4, (" NTLMSSP_NEGOTIATE_NTLM2\n"));
- if (neg_flags & NTLMSSP_CHAL_TARGET_INFO)
- DEBUGADD(4, (" NTLMSSP_CHAL_TARGET_INFO\n"));
- if (neg_flags & NTLMSSP_NEGOTIATE_128)
- DEBUGADD(4, (" NTLMSSP_NEGOTIATE_128\n"));
- if (neg_flags & NTLMSSP_NEGOTIATE_KEY_EXCH)
- DEBUGADD(4, (" NTLMSSP_NEGOTIATE_KEY_EXCH\n"));
- if (neg_flags & NTLMSSP_NEGOTIATE_56)
- DEBUGADD(4, (" NTLMSSP_NEGOTIATE_56\n"));
-}
-
static NTSTATUS gensec_ntlmssp_magic(struct gensec_security *gensec_security,
const DATA_BLOB *first_packet)
{
- if (first_packet->length > 8 && memcmp("NTLMSSP\0", first_packet->data, 8) == 0) {
+ if (ntlmssp_blob_matches_magic(first_packet)) {
return NT_STATUS_OK;
} else {
return NT_STATUS_INVALID_PARAMETER;
}
}
-static NTSTATUS gensec_ntlmssp_update_find(struct gensec_ntlmssp_state *gensec_ntlmssp_state,
+static NTSTATUS gensec_ntlmssp_update_find(struct ntlmssp_state *ntlmssp_state,
const DATA_BLOB input, uint32_t *idx)
{
- struct gensec_security *gensec_security = gensec_ntlmssp_state->gensec_security;
+ struct gensec_ntlmssp_context *gensec_ntlmssp =
+ talloc_get_type_abort(ntlmssp_state->callback_private,
+ struct gensec_ntlmssp_context);
+ struct gensec_security *gensec_security = gensec_ntlmssp->gensec_security;
uint32_t ntlmssp_command;
uint32_t i;
- if (gensec_ntlmssp_state->expected_state == NTLMSSP_DONE) {
+ if (ntlmssp_state->expected_state == NTLMSSP_DONE) {
/* We are strict here because other modules, which we
* don't fully control (such as GSSAPI) are also
* strict, but are tested less often */
}
if (!input.length) {
- switch (gensec_ntlmssp_state->role) {
+ switch (ntlmssp_state->role) {
case NTLMSSP_CLIENT:
ntlmssp_command = NTLMSSP_INITIAL;
break;
break;
}
} else {
- if (!msrpc_parse(gensec_ntlmssp_state,
+ if (!msrpc_parse(ntlmssp_state,
&input, "Cd",
"NTLMSSP",
&ntlmssp_command)) {
}
}
- if (ntlmssp_command != gensec_ntlmssp_state->expected_state) {
- DEBUG(2, ("got NTLMSSP command %u, expected %u\n", ntlmssp_command, gensec_ntlmssp_state->expected_state));
+ if (ntlmssp_command != ntlmssp_state->expected_state) {
+ DEBUG(2, ("got NTLMSSP command %u, expected %u\n", ntlmssp_command, ntlmssp_state->expected_state));
return NT_STATUS_INVALID_PARAMETER;
}
for (i=0; i < ARRAY_SIZE(ntlmssp_callbacks); i++) {
- if (ntlmssp_callbacks[i].role == gensec_ntlmssp_state->role &&
+ if (ntlmssp_callbacks[i].role == ntlmssp_state->role &&
ntlmssp_callbacks[i].command == ntlmssp_command) {
*idx = i;
return NT_STATUS_OK;
}
DEBUG(1, ("failed to find NTLMSSP callback for NTLMSSP mode %u, command %u\n",
- gensec_ntlmssp_state->role, ntlmssp_command));
+ ntlmssp_state->role, ntlmssp_command));
return NT_STATUS_INVALID_PARAMETER;
}
TALLOC_CTX *out_mem_ctx,
const DATA_BLOB input, DATA_BLOB *out)
{
- struct gensec_ntlmssp_state *gensec_ntlmssp_state = gensec_security->private_data;
+ struct gensec_ntlmssp_context *gensec_ntlmssp =
+ talloc_get_type_abort(gensec_security->private_data,
+ struct gensec_ntlmssp_context);
+ struct ntlmssp_state *ntlmssp_state = gensec_ntlmssp->ntlmssp_state;
NTSTATUS status;
uint32_t i;
if (!out_mem_ctx) {
/* if the caller doesn't want to manage/own the memory,
we can put it on our context */
- out_mem_ctx = gensec_ntlmssp_state;
+ out_mem_ctx = ntlmssp_state;
}
- status = gensec_ntlmssp_update_find(gensec_ntlmssp_state, input, &i);
+ status = gensec_ntlmssp_update_find(ntlmssp_state, input, &i);
NT_STATUS_NOT_OK_RETURN(status);
status = ntlmssp_callbacks[i].sync_fn(gensec_security, out_mem_ctx, input, out);
/**
* Return the NTLMSSP master session key
*
- * @param gensec_ntlmssp_state NTLMSSP State
+ * @param ntlmssp_state NTLMSSP State
*/
NTSTATUS gensec_ntlmssp_session_key(struct gensec_security *gensec_security,
+ TALLOC_CTX *mem_ctx,
DATA_BLOB *session_key)
{
- struct gensec_ntlmssp_state *gensec_ntlmssp_state = gensec_security->private_data;
+ struct gensec_ntlmssp_context *gensec_ntlmssp =
+ talloc_get_type_abort(gensec_security->private_data,
+ struct gensec_ntlmssp_context);
+ struct ntlmssp_state *ntlmssp_state = gensec_ntlmssp->ntlmssp_state;
- if (!gensec_ntlmssp_state->session_key.data) {
+ if (ntlmssp_state->expected_state != NTLMSSP_DONE) {
return NT_STATUS_NO_USER_SESSION_KEY;
}
- *session_key = gensec_ntlmssp_state->session_key;
-
- return NT_STATUS_OK;
-}
-
-void ntlmssp_handle_neg_flags(struct gensec_ntlmssp_state *gensec_ntlmssp_state,
- uint32_t neg_flags, BOOL allow_lm)
-{
- if (neg_flags & NTLMSSP_NEGOTIATE_UNICODE) {
- gensec_ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_UNICODE;
- gensec_ntlmssp_state->neg_flags &= ~NTLMSSP_NEGOTIATE_OEM;
- gensec_ntlmssp_state->unicode = True;
- } else {
- gensec_ntlmssp_state->neg_flags &= ~NTLMSSP_NEGOTIATE_UNICODE;
- gensec_ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_OEM;
- gensec_ntlmssp_state->unicode = False;
- }
- if ((neg_flags & NTLMSSP_NEGOTIATE_LM_KEY) && allow_lm && !gensec_ntlmssp_state->use_ntlmv2) {
- /* other end forcing us to use LM */
- gensec_ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_LM_KEY;
- gensec_ntlmssp_state->neg_flags &= ~NTLMSSP_NEGOTIATE_NTLM2;
- } else {
- gensec_ntlmssp_state->neg_flags &= ~NTLMSSP_NEGOTIATE_LM_KEY;
- }
-
- if (neg_flags & NTLMSSP_NEGOTIATE_ALWAYS_SIGN) {
- gensec_ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_ALWAYS_SIGN;
- }
-
- if (!(neg_flags & NTLMSSP_NEGOTIATE_SIGN)) {
- gensec_ntlmssp_state->neg_flags &= ~NTLMSSP_NEGOTIATE_SIGN;
- }
-
- if (!(neg_flags & NTLMSSP_NEGOTIATE_SEAL)) {
- gensec_ntlmssp_state->neg_flags &= ~NTLMSSP_NEGOTIATE_SEAL;
- }
-
- if (!(neg_flags & NTLMSSP_NEGOTIATE_NTLM2)) {
- gensec_ntlmssp_state->neg_flags &= ~NTLMSSP_NEGOTIATE_NTLM2;
- }
-
- if (!(neg_flags & NTLMSSP_NEGOTIATE_128)) {
- gensec_ntlmssp_state->neg_flags &= ~NTLMSSP_NEGOTIATE_128;
- }
-
- if (!(neg_flags & NTLMSSP_NEGOTIATE_56)) {
- gensec_ntlmssp_state->neg_flags &= ~NTLMSSP_NEGOTIATE_56;
- }
-
- if (!(neg_flags & NTLMSSP_NEGOTIATE_KEY_EXCH)) {
- gensec_ntlmssp_state->neg_flags &= ~NTLMSSP_NEGOTIATE_KEY_EXCH;
- }
-
- /* Woop Woop - unknown flag for Windows compatibility...
- What does this really do ? JRA. */
- if (!(neg_flags & NTLMSSP_UNKNOWN_02000000)) {
- gensec_ntlmssp_state->neg_flags &= ~NTLMSSP_UNKNOWN_02000000;
- }
-
- if ((neg_flags & NTLMSSP_REQUEST_TARGET)) {
- gensec_ntlmssp_state->neg_flags |= NTLMSSP_REQUEST_TARGET;
+ if (!ntlmssp_state->session_key.data) {
+ return NT_STATUS_NO_USER_SESSION_KEY;
}
-
-}
-
-/**
- Weaken NTLMSSP keys to cope with down-level clients and servers.
-
- We probably should have some parameters to control this, but as
- it only occours for LM_KEY connections, and this is controlled
- by the client lanman auth/lanman auth parameters, it isn't too bad.
-*/
-
-DATA_BLOB ntlmssp_weakend_key(struct gensec_ntlmssp_state *gensec_ntlmssp_state,
- TALLOC_CTX *mem_ctx)
-{
- DATA_BLOB weakened_key = data_blob_talloc(mem_ctx,
- gensec_ntlmssp_state->session_key.data,
- gensec_ntlmssp_state->session_key.length);
- /* Nothing to weaken. We certainly don't want to 'extend' the length... */
- if (weakened_key.length < 16) {
- /* perhaps there was no key? */
- return weakened_key;
+ *session_key = data_blob_talloc(mem_ctx, ntlmssp_state->session_key.data, ntlmssp_state->session_key.length);
+ if (!session_key->data) {
+ return NT_STATUS_NO_MEMORY;
}
- /* Key weakening not performed on the master key for NTLM2
- and does not occour for NTLM1. Therefore we only need
- to do this for the LM_KEY.
- */
- if (gensec_ntlmssp_state->neg_flags & NTLMSSP_NEGOTIATE_LM_KEY) {
- /* LM key doesn't support 128 bit crypto, so this is
- * the best we can do. If you negotiate 128 bit, but
- * not 56, you end up with 40 bit... */
- if (gensec_ntlmssp_state->neg_flags & NTLMSSP_NEGOTIATE_56) {
- weakened_key.data[7] = 0xa0;
- weakened_key.length = 8;
- } else { /* forty bits */
- weakened_key.data[5] = 0xe5;
- weakened_key.data[6] = 0x38;
- weakened_key.data[7] = 0xb0;
- weakened_key.length = 8;
- }
- }
- return weakened_key;
+ return NT_STATUS_OK;
}
-static BOOL gensec_ntlmssp_have_feature(struct gensec_security *gensec_security,
+static bool gensec_ntlmssp_have_feature(struct gensec_security *gensec_security,
uint32_t feature)
{
- struct gensec_ntlmssp_state *gensec_ntlmssp_state = gensec_security->private_data;
+ struct gensec_ntlmssp_context *gensec_ntlmssp =
+ talloc_get_type_abort(gensec_security->private_data,
+ struct gensec_ntlmssp_context);
+ struct ntlmssp_state *ntlmssp_state = gensec_ntlmssp->ntlmssp_state;
+
if (feature & GENSEC_FEATURE_SIGN) {
- if (!gensec_ntlmssp_state->session_key.length) {
- return False;
+ if (!ntlmssp_state->session_key.length) {
+ return false;
}
- if (gensec_ntlmssp_state->neg_flags & NTLMSSP_NEGOTIATE_SIGN) {
- return True;
+ if (ntlmssp_state->neg_flags & NTLMSSP_NEGOTIATE_SIGN) {
+ return true;
}
}
if (feature & GENSEC_FEATURE_SEAL) {
- if (!gensec_ntlmssp_state->session_key.length) {
- return False;
+ if (!ntlmssp_state->session_key.length) {
+ return false;
}
- if (gensec_ntlmssp_state->neg_flags & NTLMSSP_NEGOTIATE_SEAL) {
- return True;
+ if (ntlmssp_state->neg_flags & NTLMSSP_NEGOTIATE_SEAL) {
+ return true;
}
}
if (feature & GENSEC_FEATURE_SESSION_KEY) {
- if (gensec_ntlmssp_state->session_key.length) {
- return True;
+ if (ntlmssp_state->session_key.length) {
+ return true;
}
}
if (feature & GENSEC_FEATURE_DCE_STYLE) {
- return True;
+ return true;
}
if (feature & GENSEC_FEATURE_ASYNC_REPLIES) {
- if (gensec_ntlmssp_state->neg_flags & NTLMSSP_NEGOTIATE_NTLM2) {
- return True;
+ if (ntlmssp_state->neg_flags & NTLMSSP_NEGOTIATE_NTLM2) {
+ return true;
}
}
- return False;
+ return false;
}
NTSTATUS gensec_ntlmssp_start(struct gensec_security *gensec_security)
{
- struct gensec_ntlmssp_state *gensec_ntlmssp_state;
-
- gensec_ntlmssp_state = talloc_zero(gensec_security, struct gensec_ntlmssp_state);
- if (!gensec_ntlmssp_state) {
+ struct gensec_ntlmssp_context *gensec_ntlmssp;
+ struct ntlmssp_state *ntlmssp_state;
+
+ gensec_ntlmssp = talloc_zero(gensec_security,
+ struct gensec_ntlmssp_context);
+ if (!gensec_ntlmssp) {
return NT_STATUS_NO_MEMORY;
}
- gensec_ntlmssp_state->gensec_security = gensec_security;
- gensec_ntlmssp_state->auth_context = NULL;
- gensec_ntlmssp_state->server_info = NULL;
+ gensec_ntlmssp->gensec_security = gensec_security;
- gensec_security->private_data = gensec_ntlmssp_state;
+ ntlmssp_state = talloc_zero(gensec_ntlmssp,
+ struct ntlmssp_state);
+ if (!ntlmssp_state) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ ntlmssp_state->callback_private = gensec_ntlmssp;
+
+ gensec_ntlmssp->ntlmssp_state = ntlmssp_state;
+
+ gensec_security->private_data = gensec_ntlmssp;
return NT_STATUS_OK;
}
static const struct gensec_security_ops gensec_ntlmssp_security_ops = {
.name = "ntlmssp",
- .sasl_name = "NTLM",
+ .sasl_name = GENSEC_SASL_NAME_NTLMSSP, /* "NTLM" */
.auth_type = DCERPC_AUTH_TYPE_NTLMSSP,
.oid = gensec_ntlmssp_oids,
.client_start = gensec_ntlmssp_client_start,
.session_key = gensec_ntlmssp_session_key,
.session_info = gensec_ntlmssp_session_info,
.have_feature = gensec_ntlmssp_have_feature,
- .enabled = True,
+ .enabled = true,
.priority = GENSEC_NTLMSSP
};
-NTSTATUS gensec_ntlmssp_init(void)
+_PUBLIC_ NTSTATUS gensec_ntlmssp_init(void)
{
NTSTATUS ret;
- auth_init();
-
ret = gensec_register(&gensec_ntlmssp_security_ops);
if (!NT_STATUS_IS_OK(ret)) {
DEBUG(0,("Failed to register '%s' gensec backend!\n",
git.samba.org / amitay / samba.git / blobdiff