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-rw-r--r--source3/libsmb/spnego.c362
1 files changed, 0 insertions, 362 deletions
diff --git a/source3/libsmb/spnego.c b/source3/libsmb/spnego.c
deleted file mode 100644
index 528c7f4009..0000000000
--- a/source3/libsmb/spnego.c
+++ /dev/null
@@ -1,362 +0,0 @@
-/*
- Unix SMB/CIFS implementation.
-
- RFC2478 Compliant SPNEGO implementation
-
- Copyright (C) Jim McDonough <jmcd@us.ibm.com> 2003
-
- 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"
-
-#undef DBGC_CLASS
-#define DBGC_CLASS DBGC_AUTH
-
-static bool read_negTokenInit(ASN1_DATA *asn1, negTokenInit_t *token)
-{
- ZERO_STRUCTP(token);
-
- asn1_start_tag(asn1, ASN1_CONTEXT(0));
- asn1_start_tag(asn1, ASN1_SEQUENCE(0));
-
- while (!asn1->has_error && 0 < asn1_tag_remaining(asn1)) {
- int i;
-
- switch (asn1->data[asn1->ofs]) {
- /* Read mechTypes */
- case ASN1_CONTEXT(0):
- asn1_start_tag(asn1, ASN1_CONTEXT(0));
- asn1_start_tag(asn1, ASN1_SEQUENCE(0));
-
- token->mechTypes = TALLOC_P(talloc_autofree_context(), const char *);
- for (i = 0; !asn1->has_error &&
- 0 < asn1_tag_remaining(asn1); i++) {
- const char *p_oid = NULL;
- token->mechTypes =
- TALLOC_REALLOC_ARRAY(talloc_autofree_context(),
- token->mechTypes, const char *, i + 2);
- if (!token->mechTypes) {
- asn1->has_error = True;
- return False;
- }
- asn1_read_OID(asn1, talloc_autofree_context(), &p_oid);
- token->mechTypes[i] = p_oid;
- }
- token->mechTypes[i] = NULL;
-
- asn1_end_tag(asn1);
- asn1_end_tag(asn1);
- break;
- /* Read reqFlags */
- case ASN1_CONTEXT(1):
- asn1_start_tag(asn1, ASN1_CONTEXT(1));
- asn1_read_Integer(asn1, &token->reqFlags);
- token->reqFlags |= SPNEGO_REQ_FLAG;
- asn1_end_tag(asn1);
- break;
- /* Read mechToken */
- case ASN1_CONTEXT(2):
- asn1_start_tag(asn1, ASN1_CONTEXT(2));
- asn1_read_OctetString(asn1,
- talloc_autofree_context(), &token->mechToken);
- asn1_end_tag(asn1);
- break;
- /* Read mecListMIC */
- case ASN1_CONTEXT(3):
- asn1_start_tag(asn1, ASN1_CONTEXT(3));
- if (asn1->data[asn1->ofs] == ASN1_OCTET_STRING) {
- asn1_read_OctetString(asn1, talloc_autofree_context(),
- &token->mechListMIC);
- } else {
- /* RFC 2478 says we have an Octet String here,
- but W2k sends something different... */
- char *mechListMIC;
- asn1_push_tag(asn1, ASN1_SEQUENCE(0));
- asn1_push_tag(asn1, ASN1_CONTEXT(0));
- asn1_read_GeneralString(asn1,
- talloc_autofree_context(), &mechListMIC);
- asn1_pop_tag(asn1);
- asn1_pop_tag(asn1);
-
- token->mechListMIC =
- data_blob(mechListMIC, strlen(mechListMIC));
- TALLOC_FREE(mechListMIC);
- }
- asn1_end_tag(asn1);
- break;
- default:
- asn1->has_error = True;
- break;
- }
- }
-
- asn1_end_tag(asn1);
- asn1_end_tag(asn1);
-
- return !asn1->has_error;
-}
-
-static bool write_negTokenInit(ASN1_DATA *asn1, negTokenInit_t *token)
-{
- asn1_push_tag(asn1, ASN1_CONTEXT(0));
- asn1_push_tag(asn1, ASN1_SEQUENCE(0));
-
- /* Write mechTypes */
- if (token->mechTypes && *token->mechTypes) {
- int i;
-
- asn1_push_tag(asn1, ASN1_CONTEXT(0));
- asn1_push_tag(asn1, ASN1_SEQUENCE(0));
- for (i = 0; token->mechTypes[i]; i++) {
- asn1_write_OID(asn1, token->mechTypes[i]);
- }
- asn1_pop_tag(asn1);
- asn1_pop_tag(asn1);
- }
-
- /* write reqFlags */
- if (token->reqFlags & SPNEGO_REQ_FLAG) {
- int flags = token->reqFlags & ~SPNEGO_REQ_FLAG;
-
- asn1_push_tag(asn1, ASN1_CONTEXT(1));
- asn1_write_Integer(asn1, flags);
- asn1_pop_tag(asn1);
- }
-
- /* write mechToken */
- if (token->mechToken.data) {
- asn1_push_tag(asn1, ASN1_CONTEXT(2));
- asn1_write_OctetString(asn1, token->mechToken.data,
- token->mechToken.length);
- asn1_pop_tag(asn1);
- }
-
- /* write mechListMIC */
- if (token->mechListMIC.data) {
- asn1_push_tag(asn1, ASN1_CONTEXT(3));
-#if 0
- /* This is what RFC 2478 says ... */
- asn1_write_OctetString(asn1, token->mechListMIC.data,
- token->mechListMIC.length);
-#else
- /* ... but unfortunately this is what Windows
- sends/expects */
- asn1_push_tag(asn1, ASN1_SEQUENCE(0));
- asn1_push_tag(asn1, ASN1_CONTEXT(0));
- asn1_push_tag(asn1, ASN1_GENERAL_STRING);
- asn1_write(asn1, token->mechListMIC.data,
- token->mechListMIC.length);
- asn1_pop_tag(asn1);
- asn1_pop_tag(asn1);
- asn1_pop_tag(asn1);
-#endif
- asn1_pop_tag(asn1);
- }
-
- asn1_pop_tag(asn1);
- asn1_pop_tag(asn1);
-
- return !asn1->has_error;
-}
-
-static bool read_negTokenTarg(ASN1_DATA *asn1, negTokenTarg_t *token)
-{
- ZERO_STRUCTP(token);
-
- asn1_start_tag(asn1, ASN1_CONTEXT(1));
- asn1_start_tag(asn1, ASN1_SEQUENCE(0));
-
- while (!asn1->has_error && 0 < asn1_tag_remaining(asn1)) {
- switch (asn1->data[asn1->ofs]) {
- case ASN1_CONTEXT(0):
- asn1_start_tag(asn1, ASN1_CONTEXT(0));
- asn1_start_tag(asn1, ASN1_ENUMERATED);
- asn1_read_uint8(asn1, &token->negResult);
- asn1_end_tag(asn1);
- asn1_end_tag(asn1);
- break;
- case ASN1_CONTEXT(1): {
- const char *mech = NULL;
- asn1_start_tag(asn1, ASN1_CONTEXT(1));
- asn1_read_OID(asn1, talloc_autofree_context(), &mech);
- asn1_end_tag(asn1);
- token->supportedMech = CONST_DISCARD(char *, mech);
- }
- break;
- case ASN1_CONTEXT(2):
- asn1_start_tag(asn1, ASN1_CONTEXT(2));
- asn1_read_OctetString(asn1,
- talloc_autofree_context(), &token->responseToken);
- asn1_end_tag(asn1);
- break;
- case ASN1_CONTEXT(3):
- asn1_start_tag(asn1, ASN1_CONTEXT(3));
- asn1_read_OctetString(asn1,
- talloc_autofree_context(), &token->mechListMIC);
- asn1_end_tag(asn1);
- break;
- default:
- asn1->has_error = True;
- break;
- }
- }
-
- asn1_end_tag(asn1);
- asn1_end_tag(asn1);
-
- return !asn1->has_error;
-}
-
-static bool write_negTokenTarg(ASN1_DATA *asn1, negTokenTarg_t *token)
-{
- asn1_push_tag(asn1, ASN1_CONTEXT(1));
- asn1_push_tag(asn1, ASN1_SEQUENCE(0));
-
- asn1_push_tag(asn1, ASN1_CONTEXT(0));
- asn1_write_enumerated(asn1, token->negResult);
- asn1_pop_tag(asn1);
-
- if (token->supportedMech) {
- asn1_push_tag(asn1, ASN1_CONTEXT(1));
- asn1_write_OID(asn1, token->supportedMech);
- asn1_pop_tag(asn1);
- }
-
- if (token->responseToken.data) {
- asn1_push_tag(asn1, ASN1_CONTEXT(2));
- asn1_write_OctetString(asn1, token->responseToken.data,
- token->responseToken.length);
- asn1_pop_tag(asn1);
- }
-
- if (token->mechListMIC.data) {
- asn1_push_tag(asn1, ASN1_CONTEXT(3));
- asn1_write_OctetString(asn1, token->mechListMIC.data,
- token->mechListMIC.length);
- asn1_pop_tag(asn1);
- }
-
- asn1_pop_tag(asn1);
- asn1_pop_tag(asn1);
-
- return !asn1->has_error;
-}
-
-ssize_t read_spnego_data(DATA_BLOB data, SPNEGO_DATA *token)
-{
- ASN1_DATA *asn1;
- ssize_t ret = -1;
-
- ZERO_STRUCTP(token);
-
- asn1 = asn1_init(talloc_tos());
- if (asn1 == NULL) {
- return -1;
- }
-
- asn1_load(asn1, data);
-
- switch (asn1->data[asn1->ofs]) {
- case ASN1_APPLICATION(0):
- asn1_start_tag(asn1, ASN1_APPLICATION(0));
- asn1_check_OID(asn1, OID_SPNEGO);
- if (read_negTokenInit(asn1, &token->negTokenInit)) {
- token->type = SPNEGO_NEG_TOKEN_INIT;
- }
- asn1_end_tag(asn1);
- break;
- case ASN1_CONTEXT(1):
- if (read_negTokenTarg(asn1, &token->negTokenTarg)) {
- token->type = SPNEGO_NEG_TOKEN_TARG;
- }
- break;
- default:
- break;
- }
-
- if (!asn1->has_error) ret = asn1->ofs;
- asn1_free(asn1);
-
- return ret;
-}
-
-ssize_t write_spnego_data(DATA_BLOB *blob, SPNEGO_DATA *spnego)
-{
- ASN1_DATA *asn1;
- ssize_t ret = -1;
-
- asn1 = asn1_init(talloc_tos());
- if (asn1 == NULL) {
- return -1;
- }
-
- switch (spnego->type) {
- case SPNEGO_NEG_TOKEN_INIT:
- asn1_push_tag(asn1, ASN1_APPLICATION(0));
- asn1_write_OID(asn1, OID_SPNEGO);
- write_negTokenInit(asn1, &spnego->negTokenInit);
- asn1_pop_tag(asn1);
- break;
- case SPNEGO_NEG_TOKEN_TARG:
- write_negTokenTarg(asn1, &spnego->negTokenTarg);
- break;
- default:
- asn1->has_error = True;
- break;
- }
-
- if (!asn1->has_error) {
- *blob = data_blob(asn1->data, asn1->length);
- ret = asn1->ofs;
- }
- asn1_free(asn1);
-
- return ret;
-}
-
-bool free_spnego_data(SPNEGO_DATA *spnego)
-{
- bool ret = True;
-
- if (!spnego) goto out;
-
- switch(spnego->type) {
- case SPNEGO_NEG_TOKEN_INIT:
- if (spnego->negTokenInit.mechTypes) {
- int i;
- for (i = 0; spnego->negTokenInit.mechTypes[i]; i++) {
- talloc_free(CONST_DISCARD(char *,spnego->negTokenInit.mechTypes[i]));
- }
- talloc_free(spnego->negTokenInit.mechTypes);
- }
- data_blob_free(&spnego->negTokenInit.mechToken);
- data_blob_free(&spnego->negTokenInit.mechListMIC);
- break;
- case SPNEGO_NEG_TOKEN_TARG:
- if (spnego->negTokenTarg.supportedMech) {
- talloc_free(spnego->negTokenTarg.supportedMech);
- }
- data_blob_free(&spnego->negTokenTarg.responseToken);
- data_blob_free(&spnego->negTokenTarg.mechListMIC);
- break;
- default:
- ret = False;
- break;
- }
- ZERO_STRUCTP(spnego);
-out:
- return ret;
-}
generated by cgit (git 2.34.1) at 2024-07-02 04:13:03 +0000