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Diffstat (limited to 'source3/librpc/rpc/dcerpc_spnego.c')
-rw-r--r--source3/librpc/rpc/dcerpc_spnego.c370
1 files changed, 0 insertions, 370 deletions
diff --git a/source3/librpc/rpc/dcerpc_spnego.c b/source3/librpc/rpc/dcerpc_spnego.c
deleted file mode 100644
index 89baa03cf3..0000000000
--- a/source3/librpc/rpc/dcerpc_spnego.c
+++ /dev/null
@@ -1,370 +0,0 @@
-/*
- * SPNEGO Encapsulation
- * RPC Pipe client routines
- * Copyright (C) Simo Sorce 2010.
- *
- * 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 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * 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, see <http://www.gnu.org/licenses/>.
- */
-
-#include "includes.h"
-#include "../libcli/auth/spnego.h"
-#include "include/ntlmssp_wrap.h"
-#include "librpc/gen_ndr/ntlmssp.h"
-#include "librpc/crypto/gse.h"
-#include "dcerpc_spnego.h"
-
-struct spnego_context {
- enum spnego_mech mech;
-
- bool do_sign;
- bool do_seal;
-
- union {
- struct auth_ntlmssp_state *ntlmssp_state;
- struct gse_context *gssapi_state;
- } mech_ctx;
-
- enum {
- SPNEGO_CONV_INIT = 0,
- SPNEGO_CONV_AUTH_MORE,
- SPNEGO_CONV_AUTH_CONFIRM,
- SPNEGO_CONV_AUTH_DONE
- } state;
-};
-
-static NTSTATUS spnego_context_init(TALLOC_CTX *mem_ctx,
- bool do_sign, bool do_seal,
- struct spnego_context **spnego_ctx)
-{
- struct spnego_context *sp_ctx;
-
- sp_ctx = talloc_zero(mem_ctx, struct spnego_context);
- if (!sp_ctx) {
- return NT_STATUS_NO_MEMORY;
- }
-
- sp_ctx->do_sign = do_sign;
- sp_ctx->do_seal = do_seal;
- sp_ctx->state = SPNEGO_CONV_INIT;
-
- *spnego_ctx = sp_ctx;
- return NT_STATUS_OK;
-}
-
-NTSTATUS spnego_gssapi_init_client(TALLOC_CTX *mem_ctx,
- bool do_sign, bool do_seal,
- bool is_dcerpc,
- const char *ccache_name,
- const char *server,
- const char *service,
- const char *username,
- const char *password,
- struct spnego_context **spnego_ctx)
-{
- struct spnego_context *sp_ctx = NULL;
- uint32_t add_gss_c_flags = 0;
- NTSTATUS status;
-
- status = spnego_context_init(mem_ctx, do_sign, do_seal, &sp_ctx);
- if (!NT_STATUS_IS_OK(status)) {
- return status;
- }
- sp_ctx->mech = SPNEGO_KRB5;
-
- if (is_dcerpc) {
- add_gss_c_flags = GSS_C_DCE_STYLE;
- }
-
- status = gse_init_client(sp_ctx,
- do_sign, do_seal,
- ccache_name, server, service,
- username, password, add_gss_c_flags,
- &sp_ctx->mech_ctx.gssapi_state);
- if (!NT_STATUS_IS_OK(status)) {
- TALLOC_FREE(sp_ctx);
- return status;
- }
-
- *spnego_ctx = sp_ctx;
- return NT_STATUS_OK;
-}
-
-NTSTATUS spnego_ntlmssp_init_client(TALLOC_CTX *mem_ctx,
- bool do_sign, bool do_seal,
- bool is_dcerpc,
- const char *domain,
- const char *username,
- const char *password,
- struct spnego_context **spnego_ctx)
-{
- struct spnego_context *sp_ctx = NULL;
- NTSTATUS status;
-
- status = spnego_context_init(mem_ctx, do_sign, do_seal, &sp_ctx);
- if (!NT_STATUS_IS_OK(status)) {
- return status;
- }
- sp_ctx->mech = SPNEGO_NTLMSSP;
-
- status = auth_ntlmssp_client_start(sp_ctx,
- global_myname(),
- lp_workgroup(),
- lp_client_ntlmv2_auth(),
- &sp_ctx->mech_ctx.ntlmssp_state);
- if (!NT_STATUS_IS_OK(status)) {
- TALLOC_FREE(sp_ctx);
- return status;
- }
-
- status = auth_ntlmssp_set_username(sp_ctx->mech_ctx.ntlmssp_state,
- username);
- if (!NT_STATUS_IS_OK(status)) {
- TALLOC_FREE(sp_ctx);
- return status;
- }
-
- status = auth_ntlmssp_set_domain(sp_ctx->mech_ctx.ntlmssp_state,
- domain);
- if (!NT_STATUS_IS_OK(status)) {
- TALLOC_FREE(sp_ctx);
- return status;
- }
-
- status = auth_ntlmssp_set_password(sp_ctx->mech_ctx.ntlmssp_state,
- password);
- if (!NT_STATUS_IS_OK(status)) {
- TALLOC_FREE(sp_ctx);
- return status;
- }
-
- /*
- * Turn off sign+seal to allow selected auth level to turn it back on.
- */
- auth_ntlmssp_and_flags(sp_ctx->mech_ctx.ntlmssp_state,
- ~(NTLMSSP_NEGOTIATE_SIGN |
- NTLMSSP_NEGOTIATE_SEAL));
-
- if (do_sign) {
- auth_ntlmssp_or_flags(sp_ctx->mech_ctx.ntlmssp_state,
- NTLMSSP_NEGOTIATE_SIGN);
- } else if (do_seal) {
- auth_ntlmssp_or_flags(sp_ctx->mech_ctx.ntlmssp_state,
- NTLMSSP_NEGOTIATE_SEAL |
- NTLMSSP_NEGOTIATE_SIGN);
- }
-
- *spnego_ctx = sp_ctx;
- return NT_STATUS_OK;
-}
-
-NTSTATUS spnego_get_client_auth_token(TALLOC_CTX *mem_ctx,
- struct spnego_context *sp_ctx,
- DATA_BLOB *spnego_in,
- DATA_BLOB *spnego_out)
-{
- struct gse_context *gse_ctx;
- struct auth_ntlmssp_state *ntlmssp_ctx;
- struct spnego_data sp_in, sp_out;
- DATA_BLOB token_in = data_blob_null;
- DATA_BLOB token_out = data_blob_null;
- const char *mech_oids[2] = { NULL, NULL };
- char *principal = NULL;
- ssize_t len_in = 0;
- ssize_t len_out = 0;
- bool mech_wants_more = false;
- NTSTATUS status;
-
- if (!spnego_in->length) {
- /* server didn't send anything, is init ? */
- if (sp_ctx->state != SPNEGO_CONV_INIT) {
- return NT_STATUS_INVALID_PARAMETER;
- }
- } else {
- len_in = spnego_read_data(mem_ctx, *spnego_in, &sp_in);
- if (len_in == -1) {
- status = NT_STATUS_INVALID_PARAMETER;
- goto done;
- }
- if (sp_in.type != SPNEGO_NEG_TOKEN_TARG) {
- status = NT_STATUS_INVALID_PARAMETER;
- goto done;
- }
- if (sp_in.negTokenTarg.negResult == SPNEGO_REJECT) {
- status = NT_STATUS_ACCESS_DENIED;
- goto done;
- }
- token_in = sp_in.negTokenTarg.responseToken;
- }
-
- if (sp_ctx->state == SPNEGO_CONV_AUTH_CONFIRM) {
- if (sp_in.negTokenTarg.negResult == SPNEGO_ACCEPT_COMPLETED) {
- sp_ctx->state = SPNEGO_CONV_AUTH_DONE;
- *spnego_out = data_blob_null;
- status = NT_STATUS_OK;
- } else {
- status = NT_STATUS_ACCESS_DENIED;
- }
- goto done;
- }
-
- switch (sp_ctx->mech) {
- case SPNEGO_KRB5:
-
- gse_ctx = sp_ctx->mech_ctx.gssapi_state;
- status = gse_get_client_auth_token(mem_ctx, gse_ctx,
- &token_in, &token_out);
- if (!NT_STATUS_IS_OK(status)) {
- goto done;
- }
-
- mech_oids[0] = OID_KERBEROS5;
- mech_wants_more = gse_require_more_processing(gse_ctx);
-
- break;
-
- case SPNEGO_NTLMSSP:
-
- ntlmssp_ctx = sp_ctx->mech_ctx.ntlmssp_state;
- status = auth_ntlmssp_update(ntlmssp_ctx,
- token_in, &token_out);
- if (NT_STATUS_EQUAL(status,
- NT_STATUS_MORE_PROCESSING_REQUIRED)) {
- mech_wants_more = true;
- } else if (!NT_STATUS_IS_OK(status)) {
- goto done;
- }
-
- mech_oids[0] = OID_NTLMSSP;
-
- break;
-
- default:
- status = NT_STATUS_INTERNAL_ERROR;
- goto done;
- }
-
- switch (sp_ctx->state) {
- case SPNEGO_CONV_INIT:
- *spnego_out = spnego_gen_negTokenInit(mem_ctx, mech_oids,
- &token_out, principal);
- if (!spnego_out->data) {
- status = NT_STATUS_INTERNAL_ERROR;
- goto done;
- }
- sp_ctx->state = SPNEGO_CONV_AUTH_MORE;
- break;
-
- case SPNEGO_CONV_AUTH_MORE:
- /* server says it's done and we do not seem to agree */
- if (sp_in.negTokenTarg.negResult ==
- SPNEGO_ACCEPT_COMPLETED) {
- status = NT_STATUS_INVALID_PARAMETER;
- goto done;
- }
-
- sp_out.type = SPNEGO_NEG_TOKEN_TARG;
- sp_out.negTokenTarg.negResult = SPNEGO_NONE_RESULT;
- sp_out.negTokenTarg.supportedMech = NULL;
- sp_out.negTokenTarg.responseToken = token_out;
- sp_out.negTokenTarg.mechListMIC = data_blob_null;
-
- len_out = spnego_write_data(mem_ctx, spnego_out, &sp_out);
- if (len_out == -1) {
- status = NT_STATUS_INTERNAL_ERROR;
- goto done;
- }
-
- if (!mech_wants_more) {
- /* we still need to get an ack from the server */
- sp_ctx->state = SPNEGO_CONV_AUTH_CONFIRM;
- }
-
- break;
-
- default:
- status = NT_STATUS_INTERNAL_ERROR;
- goto done;
- }
-
- status = NT_STATUS_OK;
-
-done:
- if (len_in > 0) {
- spnego_free_data(&sp_in);
- }
- data_blob_free(&token_out);
- return status;
-}
-
-bool spnego_require_more_processing(struct spnego_context *sp_ctx)
-{
- struct gse_context *gse_ctx;
-
- /* see if spnego processing itself requires more */
- if (sp_ctx->state == SPNEGO_CONV_AUTH_MORE ||
- sp_ctx->state == SPNEGO_CONV_AUTH_CONFIRM) {
- return true;
- }
-
- /* otherwise see if underlying mechnism does */
- switch (sp_ctx->mech) {
- case SPNEGO_KRB5:
- gse_ctx = sp_ctx->mech_ctx.gssapi_state;
- return gse_require_more_processing(gse_ctx);
- case SPNEGO_NTLMSSP:
- return false;
- default:
- DEBUG(0, ("Unsupported type in request!\n"));
- return false;
- }
-}
-
-NTSTATUS spnego_get_negotiated_mech(struct spnego_context *sp_ctx,
- enum spnego_mech *type,
- void **auth_context)
-{
- switch (sp_ctx->mech) {
- case SPNEGO_KRB5:
- *auth_context = sp_ctx->mech_ctx.gssapi_state;
- break;
- case SPNEGO_NTLMSSP:
- *auth_context = sp_ctx->mech_ctx.ntlmssp_state;
- break;
- default:
- return NT_STATUS_INTERNAL_ERROR;
- }
-
- *type = sp_ctx->mech;
- return NT_STATUS_OK;
-}
-
-DATA_BLOB spnego_get_session_key(TALLOC_CTX *mem_ctx,
- struct spnego_context *sp_ctx)
-{
- DATA_BLOB sk;
-
- switch (sp_ctx->mech) {
- case SPNEGO_KRB5:
- return gse_get_session_key(mem_ctx,
- sp_ctx->mech_ctx.gssapi_state);
- case SPNEGO_NTLMSSP:
- sk = auth_ntlmssp_get_session_key(
- sp_ctx->mech_ctx.ntlmssp_state);
- return data_blob_dup_talloc(mem_ctx, &sk);
- default:
- DEBUG(0, ("Unsupported type in request!\n"));
- return data_blob_null;
- }
-}
-
generated by cgit (git 2.34.1) at 2024-11-27 02:51:01 +0000