#include "system/network.h"
#include "lib/tsocket/tsocket.h"
#include "auth/ntlmssp/ntlmssp.h"
+#include "../librpc/gen_ndr/ndr_ntlmssp.h"
+#include "../libcli/auth/ntlmssp_ndr.h"
+#include "../libcli/auth/ntlmssp_private.h"
#include "../libcli/auth/libcli_auth.h"
#include "../lib/crypto/crypto.h"
#include "auth/gensec/gensec.h"
+#include "auth/gensec/gensec_proto.h"
#include "auth/auth.h"
#include "param/param.h"
-/**
- * Set a username on an NTLMSSP context - ensures it is talloc()ed
- *
- */
-
-static NTSTATUS ntlmssp_set_username(struct gensec_ntlmssp_state *gensec_ntlmssp_state, const char *user)
-{
- if (!user) {
- /* it should be at least "" */
- DEBUG(1, ("NTLMSSP failed to set username - cannot accept NULL username\n"));
- return NT_STATUS_INVALID_PARAMETER;
- }
- gensec_ntlmssp_state->user = talloc_strdup(gensec_ntlmssp_state, user);
- if (!gensec_ntlmssp_state->user) {
- return NT_STATUS_NO_MEMORY;
- }
- return NT_STATUS_OK;
-}
-
-/**
- * Set a domain on an NTLMSSP context - ensures it is talloc()ed
- *
- */
-static NTSTATUS ntlmssp_set_domain(struct gensec_ntlmssp_state *gensec_ntlmssp_state, const char *domain)
-{
- gensec_ntlmssp_state->domain = talloc_strdup(gensec_ntlmssp_state, domain);
- if (!gensec_ntlmssp_state->domain) {
- return NT_STATUS_NO_MEMORY;
- }
- return NT_STATUS_OK;
-}
-
-/**
- * Set a workstation on an NTLMSSP context - ensures it is talloc()ed
- *
- */
-static NTSTATUS ntlmssp_set_workstation(struct gensec_ntlmssp_state *gensec_ntlmssp_state, const char *workstation)
-{
- gensec_ntlmssp_state->workstation = talloc_strdup(gensec_ntlmssp_state, workstation);
- if (!gensec_ntlmssp_state->workstation) {
- return NT_STATUS_NO_MEMORY;
- }
- return NT_STATUS_OK;
-}
-
-/**
- * Determine correct target name flags for reply, given server role
- * and negotiated flags
- *
- * @param gensec_ntlmssp_state NTLMSSP State
- * @param neg_flags The flags from the packet
- * @param chal_flags The flags to be set in the reply packet
- * @return The 'target name' string.
- */
-
-static const char *ntlmssp_target_name(struct gensec_ntlmssp_state *gensec_ntlmssp_state,
- uint32_t neg_flags, uint32_t *chal_flags)
-{
- if (neg_flags & NTLMSSP_REQUEST_TARGET) {
- *chal_flags |= NTLMSSP_NEGOTIATE_TARGET_INFO;
- *chal_flags |= NTLMSSP_REQUEST_TARGET;
- if (gensec_ntlmssp_state->server_role == ROLE_STANDALONE) {
- *chal_flags |= NTLMSSP_TARGET_TYPE_SERVER;
- return gensec_ntlmssp_state->server_name;
- } else {
- *chal_flags |= NTLMSSP_TARGET_TYPE_DOMAIN;
- return gensec_ntlmssp_state->domain;
- };
- } else {
- return "";
- }
-}
-
-
-
/**
- * Next state function for the Negotiate packet
- *
+ * Next state function for the Negotiate packet (GENSEC wrapper)
+ *
* @param gensec_security GENSEC state
* @param out_mem_ctx Memory context for *out
* @param in The request, as a DATA_BLOB. reply.data must be NULL
* @param out The reply, as an allocated DATA_BLOB, caller to free.
- * @return Errors or MORE_PROCESSING_REQUIRED if (normal) a reply is required.
- */
-
-NTSTATUS ntlmssp_server_negotiate(struct gensec_security *gensec_security,
- TALLOC_CTX *out_mem_ctx,
- const DATA_BLOB in, DATA_BLOB *out)
-{
- struct gensec_ntlmssp_context *gensec_ntlmssp =
- talloc_get_type_abort(gensec_security->private_data,
- struct gensec_ntlmssp_context);
- struct gensec_ntlmssp_state *gensec_ntlmssp_state = gensec_ntlmssp->ntlmssp_state;
- DATA_BLOB struct_blob;
- uint32_t neg_flags = 0;
- uint32_t ntlmssp_command, chal_flags;
- uint8_t cryptkey[8];
- const char *target_name;
- NTSTATUS status;
-
- /* parse the NTLMSSP packet */
-#if 0
- file_save("ntlmssp_negotiate.dat", request.data, request.length);
-#endif
-
- if (in.length) {
- if ((in.length < 16) || !msrpc_parse(out_mem_ctx,
- &in, "Cdd",
- "NTLMSSP",
- &ntlmssp_command,
- &neg_flags)) {
- DEBUG(1, ("ntlmssp_server_negotiate: failed to parse "
- "NTLMSSP Negotiate of length %u:\n",
- (unsigned int)in.length ));
- dump_data(2, in.data, in.length);
- return NT_STATUS_INVALID_PARAMETER;
- }
- debug_ntlmssp_flags(neg_flags);
- }
-
- ntlmssp_handle_neg_flags(gensec_ntlmssp_state, neg_flags, gensec_ntlmssp_state->allow_lm_key);
-
- /* Ask our caller what challenge they would like in the packet */
- status = gensec_ntlmssp_state->get_challenge(gensec_ntlmssp_state, cryptkey);
- if (!NT_STATUS_IS_OK(status)) {
- DEBUG(1, ("ntlmssp_server_negotiate: backend doesn't give a challenge: %s\n",
- nt_errstr(status)));
- return status;
- }
-
- /* Check if we may set the challenge */
- if (!gensec_ntlmssp_state->may_set_challenge(gensec_ntlmssp_state)) {
- gensec_ntlmssp_state->neg_flags &= ~NTLMSSP_NEGOTIATE_NTLM2;
- }
-
- /* The flags we send back are not just the negotiated flags,
- * they are also 'what is in this packet'. Therfore, we
- * operate on 'chal_flags' from here on
- */
-
- chal_flags = gensec_ntlmssp_state->neg_flags;
-
- /* get the right name to fill in as 'target' */
- target_name = ntlmssp_target_name(gensec_ntlmssp_state,
- neg_flags, &chal_flags);
- if (target_name == NULL)
- return NT_STATUS_INVALID_PARAMETER;
-
- gensec_ntlmssp_state->chal = data_blob_talloc(gensec_ntlmssp_state, cryptkey, 8);
- gensec_ntlmssp_state->internal_chal = data_blob_talloc(gensec_ntlmssp_state, cryptkey, 8);
-
- /* This creates the 'blob' of names that appears at the end of the packet */
- if (chal_flags & NTLMSSP_NEGOTIATE_TARGET_INFO) {
- char dnsdomname[MAXHOSTNAMELEN], dnsname[MAXHOSTNAMELEN];
-
- /* Find out the DNS domain name */
- dnsdomname[0] = '\0';
- safe_strcpy(dnsdomname, lp_dnsdomain(gensec_security->settings->lp_ctx), sizeof(dnsdomname) - 1);
-
- /* Find out the DNS host name */
- safe_strcpy(dnsname, gensec_ntlmssp_state->server_name, sizeof(dnsname) - 1);
- if (dnsdomname[0] != '\0') {
- safe_strcat(dnsname, ".", sizeof(dnsname) - 1);
- safe_strcat(dnsname, dnsdomname, sizeof(dnsname) - 1);
- }
- strlower_m(dnsname);
-
- msrpc_gen(out_mem_ctx,
- &struct_blob, "aaaaa",
- MsvAvNbDomainName, target_name,
- MsvAvNbComputerName, gensec_ntlmssp_state->server_name,
- MsvAvDnsDomainName, dnsdomname,
- MsvAvDnsComputerName, dnsname,
- MsvAvEOL, "");
- } else {
- struct_blob = data_blob(NULL, 0);
- }
-
- {
- /* Marshal the packet in the right format, be it unicode or ASCII */
- const char *gen_string;
- if (gensec_ntlmssp_state->unicode) {
- gen_string = "CdUdbddB";
- } else {
- gen_string = "CdAdbddB";
- }
-
- msrpc_gen(out_mem_ctx,
- out, gen_string,
- "NTLMSSP",
- NTLMSSP_CHALLENGE,
- target_name,
- chal_flags,
- cryptkey, 8,
- 0, 0,
- struct_blob.data, struct_blob.length);
- }
-
- gensec_ntlmssp_state->expected_state = NTLMSSP_AUTH;
-
- return NT_STATUS_MORE_PROCESSING_REQUIRED;
-}
-
-/**
- * Next state function for the Authenticate packet
- *
- * @param gensec_ntlmssp_state NTLMSSP State
- * @param request The request, as a DATA_BLOB
- * @return Errors or NT_STATUS_OK.
- */
-
-static NTSTATUS ntlmssp_server_preauth(struct gensec_ntlmssp_state *gensec_ntlmssp_state,
- const DATA_BLOB request)
-{
- uint32_t ntlmssp_command, auth_flags;
- NTSTATUS nt_status;
-
- uint8_t session_nonce_hash[16];
-
- const char *parse_string;
- char *domain = NULL;
- char *user = NULL;
- char *workstation = NULL;
-
-#if 0
- file_save("ntlmssp_auth.dat", request.data, request.length);
-#endif
-
- if (gensec_ntlmssp_state->unicode) {
- parse_string = "CdBBUUUBd";
- } else {
- parse_string = "CdBBAAABd";
- }
-
- /* zero these out */
- data_blob_free(&gensec_ntlmssp_state->session_key);
- data_blob_free(&gensec_ntlmssp_state->lm_resp);
- data_blob_free(&gensec_ntlmssp_state->nt_resp);
- data_blob_free(&gensec_ntlmssp_state->encrypted_session_key);
-
- gensec_ntlmssp_state->user = NULL;
- gensec_ntlmssp_state->domain = NULL;
- gensec_ntlmssp_state->workstation = NULL;
-
- /* now the NTLMSSP encoded auth hashes */
- if (!msrpc_parse(gensec_ntlmssp_state,
- &request, parse_string,
- "NTLMSSP",
- &ntlmssp_command,
- &gensec_ntlmssp_state->lm_resp,
- &gensec_ntlmssp_state->nt_resp,
- &domain,
- &user,
- &workstation,
- &gensec_ntlmssp_state->encrypted_session_key,
- &auth_flags)) {
- DEBUG(10, ("ntlmssp_server_auth: failed to parse NTLMSSP (nonfatal):\n"));
- dump_data(10, request.data, request.length);
-
- /* zero this out */
- data_blob_free(&gensec_ntlmssp_state->encrypted_session_key);
- auth_flags = 0;
-
- /* Try again with a shorter string (Win9X truncates this packet) */
- if (gensec_ntlmssp_state->unicode) {
- parse_string = "CdBBUUU";
- } else {
- parse_string = "CdBBAAA";
- }
-
- /* now the NTLMSSP encoded auth hashes */
- if (!msrpc_parse(gensec_ntlmssp_state,
- &request, parse_string,
- "NTLMSSP",
- &ntlmssp_command,
- &gensec_ntlmssp_state->lm_resp,
- &gensec_ntlmssp_state->nt_resp,
- &domain,
- &user,
- &workstation)) {
- DEBUG(1, ("ntlmssp_server_auth: failed to parse NTLMSSP:\n"));
- dump_data(2, request.data, request.length);
-
- return NT_STATUS_INVALID_PARAMETER;
- }
- }
-
- if (auth_flags)
- ntlmssp_handle_neg_flags(gensec_ntlmssp_state, auth_flags, gensec_ntlmssp_state->allow_lm_key);
-
- if (!NT_STATUS_IS_OK(nt_status = ntlmssp_set_domain(gensec_ntlmssp_state, domain))) {
- /* zero this out */
- data_blob_free(&gensec_ntlmssp_state->encrypted_session_key);
- return nt_status;
- }
-
- if (!NT_STATUS_IS_OK(nt_status = ntlmssp_set_username(gensec_ntlmssp_state, user))) {
- /* zero this out */
- data_blob_free(&gensec_ntlmssp_state->encrypted_session_key);
- return nt_status;
- }
-
- if (!NT_STATUS_IS_OK(nt_status = ntlmssp_set_workstation(gensec_ntlmssp_state, workstation))) {
- /* zero this out */
- data_blob_free(&gensec_ntlmssp_state->encrypted_session_key);
- return nt_status;
- }
-
- DEBUG(3,("Got user=[%s] domain=[%s] workstation=[%s] len1=%lu len2=%lu\n",
- gensec_ntlmssp_state->user, gensec_ntlmssp_state->domain, gensec_ntlmssp_state->workstation, (unsigned long)gensec_ntlmssp_state->lm_resp.length, (unsigned long)gensec_ntlmssp_state->nt_resp.length));
-
-#if 0
- file_save("nthash1.dat", &gensec_ntlmssp_state->nt_resp.data, &gensec_ntlmssp_state->nt_resp.length);
- file_save("lmhash1.dat", &gensec_ntlmssp_state->lm_resp.data, &gensec_ntlmssp_state->lm_resp.length);
-#endif
-
- /* NTLM2 uses a 'challenge' that is made of up both the server challenge, and a
- client challenge
-
- However, the NTLM2 flag may still be set for the real NTLMv2 logins, be careful.
- */
- if (gensec_ntlmssp_state->neg_flags & NTLMSSP_NEGOTIATE_NTLM2) {
- if (gensec_ntlmssp_state->nt_resp.length == 24 && gensec_ntlmssp_state->lm_resp.length == 24) {
- struct MD5Context md5_session_nonce_ctx;
- SMB_ASSERT(gensec_ntlmssp_state->internal_chal.data
- && gensec_ntlmssp_state->internal_chal.length == 8);
-
- gensec_ntlmssp_state->doing_ntlm2 = true;
-
- memcpy(gensec_ntlmssp_state->crypt.ntlm2.session_nonce, gensec_ntlmssp_state->internal_chal.data, 8);
- memcpy(&gensec_ntlmssp_state->crypt.ntlm2.session_nonce[8], gensec_ntlmssp_state->lm_resp.data, 8);
-
- MD5Init(&md5_session_nonce_ctx);
- MD5Update(&md5_session_nonce_ctx, gensec_ntlmssp_state->crypt.ntlm2.session_nonce, 16);
- MD5Final(session_nonce_hash, &md5_session_nonce_ctx);
-
- gensec_ntlmssp_state->chal = data_blob_talloc(gensec_ntlmssp_state,
- session_nonce_hash, 8);
-
- /* LM response is no longer useful, zero it out */
- data_blob_free(&gensec_ntlmssp_state->lm_resp);
-
- /* We changed the effective challenge - set it */
- if (!NT_STATUS_IS_OK(nt_status =
- gensec_ntlmssp_state->set_challenge(gensec_ntlmssp_state,
- &gensec_ntlmssp_state->chal))) {
- /* zero this out */
- data_blob_free(&gensec_ntlmssp_state->encrypted_session_key);
- return nt_status;
- }
-
- /* LM Key is incompatible... */
- gensec_ntlmssp_state->neg_flags &= ~NTLMSSP_NEGOTIATE_LM_KEY;
- }
- }
- return NT_STATUS_OK;
-}
-
-/**
- * Next state function for the Authenticate packet
- * (after authentication - figures out the session keys etc)
- *
- * @param gensec_ntlmssp_state NTLMSSP State
- * @return Errors or NT_STATUS_OK.
+ * @return Errors or MORE_PROCESSING_REQUIRED if (normal) a reply is required.
*/
-static NTSTATUS ntlmssp_server_postauth(struct gensec_security *gensec_security,
- DATA_BLOB *user_session_key,
- DATA_BLOB *lm_session_key)
+NTSTATUS gensec_ntlmssp_server_negotiate(struct gensec_security *gensec_security,
+ TALLOC_CTX *out_mem_ctx,
+ const DATA_BLOB request, DATA_BLOB *reply)
{
struct gensec_ntlmssp_context *gensec_ntlmssp =
talloc_get_type_abort(gensec_security->private_data,
struct gensec_ntlmssp_context);
- struct gensec_ntlmssp_state *gensec_ntlmssp_state = gensec_ntlmssp->ntlmssp_state;
- NTSTATUS nt_status;
- DATA_BLOB session_key = data_blob(NULL, 0);
-
- if (!(gensec_security->want_features
- & (GENSEC_FEATURE_SIGN|GENSEC_FEATURE_SEAL|GENSEC_FEATURE_SESSION_KEY))) {
- return NT_STATUS_OK;
- }
-
- if (user_session_key)
- dump_data_pw("USER session key:\n", user_session_key->data, user_session_key->length);
-
- if (lm_session_key)
- dump_data_pw("LM first-8:\n", lm_session_key->data, lm_session_key->length);
-
- /* Handle the different session key derivation for NTLM2 */
- if (gensec_ntlmssp_state->doing_ntlm2) {
- if (user_session_key && user_session_key->data && user_session_key->length == 16) {
- session_key = data_blob_talloc(gensec_ntlmssp_state, NULL, 16);
- hmac_md5(user_session_key->data, gensec_ntlmssp_state->crypt.ntlm2.session_nonce,
- sizeof(gensec_ntlmssp_state->crypt.ntlm2.session_nonce), session_key.data);
- DEBUG(10,("ntlmssp_server_auth: Created NTLM2 session key.\n"));
- dump_data_pw("NTLM2 session key:\n", session_key.data, session_key.length);
-
- } else {
- DEBUG(10,("ntlmssp_server_auth: Failed to create NTLM2 session key.\n"));
- session_key = data_blob(NULL, 0);
- }
- } else if ((gensec_ntlmssp_state->neg_flags & NTLMSSP_NEGOTIATE_LM_KEY)
- /* Ensure we can never get here on NTLMv2 */
- && (gensec_ntlmssp_state->nt_resp.length == 0 || gensec_ntlmssp_state->nt_resp.length == 24)) {
-
- if (lm_session_key && lm_session_key->data && lm_session_key->length >= 8) {
- if (gensec_ntlmssp_state->lm_resp.data && gensec_ntlmssp_state->lm_resp.length == 24) {
- session_key = data_blob_talloc(gensec_ntlmssp_state, NULL, 16);
- SMBsesskeygen_lm_sess_key(lm_session_key->data, gensec_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 {
-
- /* When there is no LM response, just use zeros */
- static const uint8_t zeros[24];
- session_key = data_blob_talloc(gensec_ntlmssp_state, NULL, 16);
- SMBsesskeygen_lm_sess_key(zeros, zeros,
- 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 {
- /* LM Key not selected */
- gensec_ntlmssp_state->neg_flags &= ~NTLMSSP_NEGOTIATE_LM_KEY;
-
- DEBUG(10,("ntlmssp_server_auth: Failed to create NTLM session key.\n"));
- session_key = data_blob(NULL, 0);
- }
-
- } else if (user_session_key && user_session_key->data) {
- session_key = data_blob_talloc(gensec_ntlmssp_state, user_session_key->data, user_session_key->length);
- DEBUG(10,("ntlmssp_server_auth: Using unmodified nt session key.\n"));
- dump_data_pw("unmodified session key:\n", session_key.data, session_key.length);
-
- /* LM Key not selected */
- gensec_ntlmssp_state->neg_flags &= ~NTLMSSP_NEGOTIATE_LM_KEY;
-
- } else if (lm_session_key && lm_session_key->data) {
- /* Very weird to have LM key, but no user session key, but anyway.. */
- session_key = data_blob_talloc(gensec_ntlmssp_state, lm_session_key->data, lm_session_key->length);
- DEBUG(10,("ntlmssp_server_auth: Using unmodified lm session key.\n"));
- dump_data_pw("unmodified session key:\n", session_key.data, session_key.length);
-
- /* LM Key not selected */
- gensec_ntlmssp_state->neg_flags &= ~NTLMSSP_NEGOTIATE_LM_KEY;
-
- } else {
- DEBUG(10,("ntlmssp_server_auth: Failed to create unmodified session key.\n"));
- session_key = data_blob(NULL, 0);
-
- /* LM Key not selected */
- gensec_ntlmssp_state->neg_flags &= ~NTLMSSP_NEGOTIATE_LM_KEY;
- }
-
- /* With KEY_EXCH, the client supplies the proposed session key,
- but encrypts it with the long-term key */
- if (gensec_ntlmssp_state->neg_flags & NTLMSSP_NEGOTIATE_KEY_EXCH) {
- if (!gensec_ntlmssp_state->encrypted_session_key.data
- || gensec_ntlmssp_state->encrypted_session_key.length != 16) {
- data_blob_free(&gensec_ntlmssp_state->encrypted_session_key);
- DEBUG(1, ("Client-supplied KEY_EXCH session key was of invalid length (%u)!\n",
- (unsigned)gensec_ntlmssp_state->encrypted_session_key.length));
- return NT_STATUS_INVALID_PARAMETER;
- } else if (!session_key.data || session_key.length != 16) {
- DEBUG(5, ("server session key is invalid (len == %u), cannot do KEY_EXCH!\n",
- (unsigned)session_key.length));
- gensec_ntlmssp_state->session_key = session_key;
- } else {
- dump_data_pw("KEY_EXCH session key (enc):\n",
- gensec_ntlmssp_state->encrypted_session_key.data,
- gensec_ntlmssp_state->encrypted_session_key.length);
- arcfour_crypt(gensec_ntlmssp_state->encrypted_session_key.data,
- session_key.data,
- gensec_ntlmssp_state->encrypted_session_key.length);
- gensec_ntlmssp_state->session_key = data_blob_talloc(gensec_ntlmssp_state,
- gensec_ntlmssp_state->encrypted_session_key.data,
- gensec_ntlmssp_state->encrypted_session_key.length);
- dump_data_pw("KEY_EXCH session key:\n", gensec_ntlmssp_state->encrypted_session_key.data,
- gensec_ntlmssp_state->encrypted_session_key.length);
- talloc_free(session_key.data);
- }
- } else {
- gensec_ntlmssp_state->session_key = session_key;
- }
-
- if ((gensec_security->want_features & GENSEC_FEATURE_SIGN)
- || (gensec_security->want_features & GENSEC_FEATURE_SEAL)) {
- nt_status = ntlmssp_sign_init(gensec_ntlmssp_state);
- } else {
- nt_status = NT_STATUS_OK;
- }
-
- data_blob_free(&gensec_ntlmssp_state->encrypted_session_key);
-
- /* allow arbitarily many authentications, but watch that this will cause a
- memory leak, until the gensec_ntlmssp_state is shutdown
- */
-
- if (gensec_ntlmssp_state->server_multiple_authentications) {
- gensec_ntlmssp_state->expected_state = NTLMSSP_AUTH;
- } else {
- gensec_ntlmssp_state->expected_state = NTLMSSP_DONE;
- }
-
- return nt_status;
+ struct ntlmssp_state *ntlmssp_state = gensec_ntlmssp->ntlmssp_state;
+ return ntlmssp_server_negotiate(ntlmssp_state, out_mem_ctx, request, reply);
}
-
/**
- * Next state function for the Authenticate packet
- *
+ * Next state function for the Authenticate packet (GENSEC wrapper)
+ *
* @param gensec_security GENSEC state
* @param out_mem_ctx Memory context for *out
* @param in The request, as a DATA_BLOB. reply.data must be NULL
* @return Errors or NT_STATUS_OK if authentication sucessful
*/
-NTSTATUS ntlmssp_server_auth(struct gensec_security *gensec_security,
- TALLOC_CTX *out_mem_ctx,
- const DATA_BLOB in, DATA_BLOB *out)
-{
+NTSTATUS gensec_ntlmssp_server_auth(struct gensec_security *gensec_security,
+ TALLOC_CTX *out_mem_ctx,
+ const DATA_BLOB in, DATA_BLOB *out)
+{
struct gensec_ntlmssp_context *gensec_ntlmssp =
talloc_get_type_abort(gensec_security->private_data,
struct gensec_ntlmssp_context);
- struct gensec_ntlmssp_state *gensec_ntlmssp_state = gensec_ntlmssp->ntlmssp_state;
- DATA_BLOB user_session_key = data_blob_null;
- DATA_BLOB lm_session_key = data_blob_null;
- NTSTATUS nt_status;
-
- /* zero the outbound NTLMSSP packet */
- *out = data_blob_null;
-
- nt_status = ntlmssp_server_preauth(gensec_ntlmssp_state, in);
- if (!NT_STATUS_IS_OK(nt_status)) {
- return nt_status;
- }
-
- /*
- * Note we don't check here for NTLMv2 auth settings. If NTLMv2 auth
- * is required (by "ntlm auth = no" and "lm auth = no" being set in the
- * smb.conf file) and no NTLMv2 response was sent then the password check
- * will fail here. JRA.
- */
-
- /* Finally, actually ask if the password is OK */
- nt_status = gensec_ntlmssp_state->check_password(gensec_ntlmssp_state,
- &user_session_key,
- &lm_session_key);
- if (!NT_STATUS_IS_OK(nt_status)) {
- return nt_status;
- }
-
- nt_status = ntlmssp_server_postauth(gensec_security,
- &user_session_key,
- &lm_session_key);
- if (!NT_STATUS_IS_OK(nt_status)) {
- return nt_status;
- }
-
- return NT_STATUS_OK;
+ struct ntlmssp_state *ntlmssp_state = gensec_ntlmssp->ntlmssp_state;
+ return ntlmssp_server_auth(ntlmssp_state, out_mem_ctx, in, out);
}
/**
* @return an 8 byte random challenge
*/
-static NTSTATUS auth_ntlmssp_get_challenge(const struct gensec_ntlmssp_state *gensec_ntlmssp_state,
+static NTSTATUS auth_ntlmssp_get_challenge(const struct ntlmssp_state *ntlmssp_state,
uint8_t chal[8])
{
struct gensec_ntlmssp_context *gensec_ntlmssp =
- talloc_get_type_abort(gensec_ntlmssp_state->callback_private,
+ talloc_get_type_abort(ntlmssp_state->callback_private,
struct gensec_ntlmssp_context);
struct auth_context *auth_context = gensec_ntlmssp->auth_context;
NTSTATUS status;
*
* @return If the effective challenge used by the auth subsystem may be modified
*/
-static bool auth_ntlmssp_may_set_challenge(const struct gensec_ntlmssp_state *gensec_ntlmssp_state)
+static bool auth_ntlmssp_may_set_challenge(const struct ntlmssp_state *ntlmssp_state)
{
struct gensec_ntlmssp_context *gensec_ntlmssp =
- talloc_get_type_abort(gensec_ntlmssp_state->callback_private,
+ talloc_get_type_abort(ntlmssp_state->callback_private,
struct gensec_ntlmssp_context);
struct auth_context *auth_context = gensec_ntlmssp->auth_context;
* NTLM2 authentication modifies the effective challenge,
* @param challenge The new challenge value
*/
-static NTSTATUS auth_ntlmssp_set_challenge(struct gensec_ntlmssp_state *gensec_ntlmssp_state, DATA_BLOB *challenge)
+static NTSTATUS auth_ntlmssp_set_challenge(struct ntlmssp_state *ntlmssp_state, DATA_BLOB *challenge)
{
struct gensec_ntlmssp_context *gensec_ntlmssp =
- talloc_get_type_abort(gensec_ntlmssp_state->callback_private,
+ talloc_get_type_abort(ntlmssp_state->callback_private,
struct gensec_ntlmssp_context);
struct auth_context *auth_context = gensec_ntlmssp->auth_context;
NTSTATUS nt_status;
* Return the session keys used on the connection.
*/
-static NTSTATUS auth_ntlmssp_check_password(struct gensec_ntlmssp_state *gensec_ntlmssp_state,
+static NTSTATUS auth_ntlmssp_check_password(struct ntlmssp_state *ntlmssp_state,
+ TALLOC_CTX *mem_ctx,
DATA_BLOB *user_session_key, DATA_BLOB *lm_session_key)
{
struct gensec_ntlmssp_context *gensec_ntlmssp =
- talloc_get_type_abort(gensec_ntlmssp_state->callback_private,
+ talloc_get_type_abort(ntlmssp_state->callback_private,
struct gensec_ntlmssp_context);
struct auth_context *auth_context = gensec_ntlmssp->auth_context;
NTSTATUS nt_status;
struct auth_usersupplied_info *user_info;
- user_info = talloc(gensec_ntlmssp_state, struct auth_usersupplied_info);
+ user_info = talloc_zero(ntlmssp_state, struct auth_usersupplied_info);
if (!user_info) {
return NT_STATUS_NO_MEMORY;
}
user_info->logon_parameters = MSV1_0_ALLOW_SERVER_TRUST_ACCOUNT | MSV1_0_ALLOW_WORKSTATION_TRUST_ACCOUNT;
user_info->flags = 0;
user_info->mapped_state = false;
- user_info->client.account_name = gensec_ntlmssp_state->user;
- user_info->client.domain_name = gensec_ntlmssp_state->domain;
- user_info->workstation_name = gensec_ntlmssp_state->workstation;
+ user_info->client.account_name = ntlmssp_state->user;
+ user_info->client.domain_name = ntlmssp_state->domain;
+ user_info->workstation_name = ntlmssp_state->client.netbios_name;
user_info->remote_host = gensec_get_remote_address(gensec_ntlmssp->gensec_security);
user_info->password_state = AUTH_PASSWORD_RESPONSE;
- user_info->password.response.lanman = gensec_ntlmssp_state->lm_resp;
- user_info->password.response.lanman.data = talloc_steal(user_info, gensec_ntlmssp_state->lm_resp.data);
- user_info->password.response.nt = gensec_ntlmssp_state->nt_resp;
- user_info->password.response.nt.data = talloc_steal(user_info, gensec_ntlmssp_state->nt_resp.data);
+ user_info->password.response.lanman = ntlmssp_state->lm_resp;
+ user_info->password.response.lanman.data = talloc_steal(user_info, ntlmssp_state->lm_resp.data);
+ user_info->password.response.nt = ntlmssp_state->nt_resp;
+ user_info->password.response.nt.data = talloc_steal(user_info, ntlmssp_state->nt_resp.data);
nt_status = auth_context->check_password(auth_context,
gensec_ntlmssp,
DEBUG(10, ("Got NT session key of length %u\n",
(unsigned)gensec_ntlmssp->server_info->user_session_key.length));
*user_session_key = gensec_ntlmssp->server_info->user_session_key;
+ talloc_steal(mem_ctx, user_session_key->data);
+ gensec_ntlmssp->server_info->user_session_key = data_blob_null;
}
if (gensec_ntlmssp->server_info->lm_session_key.length) {
DEBUG(10, ("Got LM session key of length %u\n",
(unsigned)gensec_ntlmssp->server_info->lm_session_key.length));
*lm_session_key = gensec_ntlmssp->server_info->lm_session_key;
+ talloc_steal(mem_ctx, lm_session_key->data);
+ gensec_ntlmssp->server_info->lm_session_key = data_blob_null;
}
return nt_status;
}
struct gensec_ntlmssp_context *gensec_ntlmssp =
talloc_get_type_abort(gensec_security->private_data,
struct gensec_ntlmssp_context);
- struct gensec_ntlmssp_state *gensec_ntlmssp_state = gensec_ntlmssp->ntlmssp_state;
+ struct ntlmssp_state *ntlmssp_state = gensec_ntlmssp->ntlmssp_state;
- nt_status = auth_generate_session_info(gensec_ntlmssp_state,
- gensec_security->event_ctx,
- gensec_security->settings->lp_ctx,
- gensec_ntlmssp->server_info,
- session_info);
+ nt_status = gensec_generate_session_info(ntlmssp_state,
+ gensec_security,
+ gensec_ntlmssp->server_info,
+ session_info);
NT_STATUS_NOT_OK_RETURN(nt_status);
(*session_info)->session_key = data_blob_talloc(*session_info,
- gensec_ntlmssp_state->session_key.data,
- gensec_ntlmssp_state->session_key.length);
+ ntlmssp_state->session_key.data,
+ ntlmssp_state->session_key.length);
return NT_STATUS_OK;
}
NTSTATUS gensec_ntlmssp_server_start(struct gensec_security *gensec_security)
{
NTSTATUS nt_status;
- struct gensec_ntlmssp_state *gensec_ntlmssp_state;
+ struct ntlmssp_state *ntlmssp_state;
struct gensec_ntlmssp_context *gensec_ntlmssp;
nt_status = gensec_ntlmssp_start(gensec_security);
gensec_ntlmssp = talloc_get_type_abort(gensec_security->private_data,
struct gensec_ntlmssp_context);
- gensec_ntlmssp_state = gensec_ntlmssp->ntlmssp_state;
+ ntlmssp_state = gensec_ntlmssp->ntlmssp_state;
- gensec_ntlmssp_state->role = NTLMSSP_SERVER;
+ ntlmssp_state->role = NTLMSSP_SERVER;
- gensec_ntlmssp_state->workstation = NULL;
- gensec_ntlmssp_state->server_name = lp_netbios_name(gensec_security->settings->lp_ctx);
+ ntlmssp_state->expected_state = NTLMSSP_NEGOTIATE;
- gensec_ntlmssp_state->domain = lp_workgroup(gensec_security->settings->lp_ctx);
-
- gensec_ntlmssp_state->expected_state = NTLMSSP_NEGOTIATE;
-
- gensec_ntlmssp_state->allow_lm_key = (lp_lanman_auth(gensec_security->settings->lp_ctx)
+ ntlmssp_state->allow_lm_key = (lpcfg_lanman_auth(gensec_security->settings->lp_ctx)
&& gensec_setting_bool(gensec_security->settings, "ntlmssp_server", "allow_lm_key", false));
- gensec_ntlmssp_state->server_multiple_authentications = false;
-
- gensec_ntlmssp_state->neg_flags =
+ ntlmssp_state->neg_flags =
NTLMSSP_NEGOTIATE_NTLM | NTLMSSP_NEGOTIATE_VERSION;
- gensec_ntlmssp_state->lm_resp = data_blob(NULL, 0);
- gensec_ntlmssp_state->nt_resp = data_blob(NULL, 0);
- gensec_ntlmssp_state->encrypted_session_key = data_blob(NULL, 0);
+ ntlmssp_state->lm_resp = data_blob(NULL, 0);
+ ntlmssp_state->nt_resp = data_blob(NULL, 0);
if (gensec_setting_bool(gensec_security->settings, "ntlmssp_server", "128bit", true)) {
- gensec_ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_128;
+ ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_128;
}
if (gensec_setting_bool(gensec_security->settings, "ntlmssp_server", "56bit", true)) {
- gensec_ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_56;
+ ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_56;
}
if (gensec_setting_bool(gensec_security->settings, "ntlmssp_server", "keyexchange", true)) {
- gensec_ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_KEY_EXCH;
+ ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_KEY_EXCH;
}
if (gensec_setting_bool(gensec_security->settings, "ntlmssp_server", "alwayssign", true)) {
- gensec_ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_ALWAYS_SIGN;
+ ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_ALWAYS_SIGN;
}
if (gensec_setting_bool(gensec_security->settings, "ntlmssp_server", "ntlm2", true)) {
- gensec_ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_NTLM2;
+ ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_NTLM2;
}
if (gensec_security->want_features & GENSEC_FEATURE_SIGN) {
- gensec_ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_SIGN;
+ ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_SIGN;
}
if (gensec_security->want_features & GENSEC_FEATURE_SEAL) {
- gensec_ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_SEAL;
+ ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_SEAL;
}
gensec_ntlmssp->auth_context = gensec_security->auth_context;
- gensec_ntlmssp_state->get_challenge = auth_ntlmssp_get_challenge;
- gensec_ntlmssp_state->may_set_challenge = auth_ntlmssp_may_set_challenge;
- gensec_ntlmssp_state->set_challenge = auth_ntlmssp_set_challenge;
- gensec_ntlmssp_state->check_password = auth_ntlmssp_check_password;
- gensec_ntlmssp_state->server_role = lp_server_role(gensec_security->settings->lp_ctx);
+ ntlmssp_state->get_challenge = auth_ntlmssp_get_challenge;
+ ntlmssp_state->may_set_challenge = auth_ntlmssp_may_set_challenge;
+ ntlmssp_state->set_challenge = auth_ntlmssp_set_challenge;
+ ntlmssp_state->check_password = auth_ntlmssp_check_password;
+ if (lpcfg_server_role(gensec_security->settings->lp_ctx) == ROLE_STANDALONE) {
+ ntlmssp_state->server.is_standalone = true;
+ } else {
+ ntlmssp_state->server.is_standalone = false;
+ }
+
+ ntlmssp_state->server.netbios_name = lpcfg_netbios_name(gensec_security->settings->lp_ctx);
+
+ ntlmssp_state->server.netbios_domain = lpcfg_workgroup(gensec_security->settings->lp_ctx);
+
+ {
+ char dnsdomname[MAXHOSTNAMELEN], dnsname[MAXHOSTNAMELEN];
+
+ /* Find out the DNS domain name */
+ dnsdomname[0] = '\0';
+ safe_strcpy(dnsdomname, lpcfg_dnsdomain(gensec_security->settings->lp_ctx), sizeof(dnsdomname) - 1);
+
+ /* Find out the DNS host name */
+ safe_strcpy(dnsname, ntlmssp_state->server.netbios_name, sizeof(dnsname) - 1);
+ if (dnsdomname[0] != '\0') {
+ safe_strcat(dnsname, ".", sizeof(dnsname) - 1);
+ safe_strcat(dnsname, dnsdomname, sizeof(dnsname) - 1);
+ }
+ strlower_m(dnsname);
+
+ ntlmssp_state->server.dns_name = talloc_strdup(ntlmssp_state,
+ dnsname);
+ NT_STATUS_HAVE_NO_MEMORY(ntlmssp_state->server.dns_name);
+
+ ntlmssp_state->server.dns_domain = talloc_strdup(ntlmssp_state,
+ dnsdomname);
+ NT_STATUS_HAVE_NO_MEMORY(ntlmssp_state->server.dns_domain);
+ }
return NT_STATUS_OK;
}
git.samba.org / kai / samba.git / blobdiff