#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/gensec/gensec_proto.h"
-#include "auth/auth.h"
-#include "auth/ntlm/auth_proto.h"
-#include "param/param.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 = (struct 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 = (struct 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->expected_state != NTLMSSP_DONE) {
+ if (ntlmssp_state->expected_state != NTLMSSP_DONE) {
return NT_STATUS_NO_USER_SESSION_KEY;
}
- if (!gensec_ntlmssp_state->session_key.data) {
+ if (!ntlmssp_state->session_key.data) {
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;
- }
-
-}
-
-/**
- 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,
uint32_t feature)
{
- struct gensec_ntlmssp_state *gensec_ntlmssp_state = (struct 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) {
+ if (!ntlmssp_state->session_key.length) {
return false;
}
- if (gensec_ntlmssp_state->neg_flags & NTLMSSP_NEGOTIATE_SIGN) {
+ if (ntlmssp_state->neg_flags & NTLMSSP_NEGOTIATE_SIGN) {
return true;
}
}
if (feature & GENSEC_FEATURE_SEAL) {
- if (!gensec_ntlmssp_state->session_key.length) {
+ if (!ntlmssp_state->session_key.length) {
return false;
}
- if (gensec_ntlmssp_state->neg_flags & NTLMSSP_NEGOTIATE_SEAL) {
+ if (ntlmssp_state->neg_flags & NTLMSSP_NEGOTIATE_SEAL) {
return true;
}
}
if (feature & GENSEC_FEATURE_SESSION_KEY) {
- if (gensec_ntlmssp_state->session_key.length) {
+ if (ntlmssp_state->session_key.length) {
return true;
}
}
return true;
}
if (feature & GENSEC_FEATURE_ASYNC_REPLIES) {
- if (gensec_ntlmssp_state->neg_flags & NTLMSSP_NEGOTIATE_NTLM2) {
+ if (ntlmssp_state->neg_flags & NTLMSSP_NEGOTIATE_NTLM2) {
return true;
}
}
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;
+
+ ntlmssp_state = talloc_zero(gensec_ntlmssp,
+ struct ntlmssp_state);
+ if (!ntlmssp_state) {
+ return NT_STATUS_NO_MEMORY;
+ }
- gensec_security->private_data = gensec_ntlmssp_state;
+ 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,
{
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 / idra / samba.git / blobdiff