spnego: share spnego_parse.

Guenther

4 files changed, 2 insertions, 475 deletions

diff --git a/source4/auth/gensec/config.mk b/source4/auth/gensec/config.mk
index 84314f54e2..105a58b4ae 100644
--- a/source4/auth/gensec/config.mk
+++ b/source4/auth/gensec/config.mk
@@ -58,7 +58,7 @@ PRIVATE_DEPENDENCIES = ASN1_UTIL CREDENTIALS
 # End MODULE gensec_spnego
 ################################################
 
-gensec_spnego_OBJ_FILES = $(addprefix $(gensecsrcdir)/, spnego.o spnego_parse.o)
+gensec_spnego_OBJ_FILES = $(addprefix $(gensecsrcdir)/, spnego.o) ../libcli/auth/spnego_parse.o
 
 $(eval $(call proto_header_template,$(gensecsrcdir)/spnego_proto.h,$(gensec_spnego_OBJ_FILES:.o=.c)))
 
diff --git a/source4/auth/gensec/spnego.c b/source4/auth/gensec/spnego.c
index b3567202c1..8f06eab8bb 100644
--- a/source4/auth/gensec/spnego.c
+++ b/source4/auth/gensec/spnego.c
@@ -23,7 +23,7 @@
 */
 
 #include "includes.h"
-#include "auth/gensec/spnego.h"
+#include "../libcli/auth/spnego.h"
 #include "librpc/gen_ndr/ndr_dcerpc.h"
 #include "auth/credentials/credentials.h"
 #include "auth/gensec/gensec.h"
diff --git a/source4/auth/gensec/spnego.h b/source4/auth/gensec/spnego.h
deleted file mode 100644
index 24e80ecb0b..0000000000
--- a/source4/auth/gensec/spnego.h
+++ /dev/null
@@ -1,65 +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/>.
-*/
-
-#define SPNEGO_DELEG_FLAG    0x01
-#define SPNEGO_MUTUAL_FLAG   0x02
-#define SPNEGO_REPLAY_FLAG   0x04
-#define SPNEGO_SEQUENCE_FLAG 0x08
-#define SPNEGO_ANON_FLAG     0x10
-#define SPNEGO_CONF_FLAG     0x20
-#define SPNEGO_INTEG_FLAG    0x40
-#define SPNEGO_REQ_FLAG      0x80
-
-enum spnego_negResult {
-	SPNEGO_ACCEPT_COMPLETED = 0,
-	SPNEGO_ACCEPT_INCOMPLETE = 1,
-	SPNEGO_REJECT = 2,
-	SPNEGO_NONE_RESULT = 3
-};
-
-struct spnego_negTokenInit {
-	const char **mechTypes;
-	int reqFlags;
-	DATA_BLOB mechToken;
-	DATA_BLOB mechListMIC;
-	char *targetPrincipal;
-};
-
-struct spnego_negTokenTarg {
-	uint8_t negResult;
-	const char *supportedMech;
-	DATA_BLOB responseToken;
-	DATA_BLOB mechListMIC;
-};
-
-struct spnego_data {
-	int type;
-	struct spnego_negTokenInit negTokenInit;
-	struct spnego_negTokenTarg negTokenTarg;
-};
-
-enum spnego_message_type {
-	SPNEGO_NEG_TOKEN_INIT = 0, 
-	SPNEGO_NEG_TOKEN_TARG = 1,
-};
-
-#include "auth/gensec/spnego_proto.h"
diff --git a/source4/auth/gensec/spnego_parse.c b/source4/auth/gensec/spnego_parse.c
deleted file mode 100644
index a79f15b8ee..0000000000
--- a/source4/auth/gensec/spnego_parse.c
+++ /dev/null
@@ -1,408 +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"
-#include "auth/gensec/spnego.h"
-#include "auth/gensec/gensec.h"
-#include "../lib/util/asn1.h"
-
-static bool read_negTokenInit(struct asn1_data *asn1, TALLOC_CTX *mem_ctx,
-			      struct spnego_negTokenInit *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;
-		uint8_t context;
-		if (!asn1_peek_uint8(asn1, &context)) {
-			asn1->has_error = true;
-			break;
-		}
-
-		switch (context) {
-		/* Read mechTypes */
-		case ASN1_CONTEXT(0):
-			asn1_start_tag(asn1, ASN1_CONTEXT(0));
-			asn1_start_tag(asn1, ASN1_SEQUENCE(0));
-
-			token->mechTypes = talloc(NULL, const char *);
-			for (i = 0; !asn1->has_error &&
-				     0 < asn1_tag_remaining(asn1); i++) {
-				token->mechTypes = talloc_realloc(NULL, 
-								  token->mechTypes, 
-								  const char *, i+2);
-				asn1_read_OID(asn1, token->mechTypes, token->mechTypes + i);
-			}
-			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, mem_ctx, &token->mechToken);
-			asn1_end_tag(asn1);
-			break;
-		/* Read mecListMIC */
-		case ASN1_CONTEXT(3):
-		{
-			uint8_t type_peek;
-			asn1_start_tag(asn1, ASN1_CONTEXT(3));
-			if (!asn1_peek_uint8(asn1, &type_peek)) {
-				asn1->has_error = true;
-				break;
-			}
-			if (type_peek == ASN1_OCTET_STRING) {
-				asn1_read_OctetString(asn1, mem_ctx, 
-						      &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, mem_ctx, &mechListMIC);
-				asn1_pop_tag(asn1);
-				asn1_pop_tag(asn1);
-
-				token->targetPrincipal = 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(struct asn1_data *asn1, struct spnego_negTokenInit *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(struct asn1_data *asn1, TALLOC_CTX *mem_ctx, 
-			      struct spnego_negTokenTarg *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)) {
-		uint8_t context;
-		if (!asn1_peek_uint8(asn1, &context)) {
-			asn1->has_error = true;
-			break;
-		}
-
-		switch (context) {
-		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):
-			asn1_start_tag(asn1, ASN1_CONTEXT(1));
-			asn1_read_OID(asn1, mem_ctx, &token->supportedMech);
-			asn1_end_tag(asn1);
-			break;
-		case ASN1_CONTEXT(2):
-			asn1_start_tag(asn1, ASN1_CONTEXT(2));
-			asn1_read_OctetString(asn1, mem_ctx, &token->responseToken);
-			asn1_end_tag(asn1);
-			break;
-		case ASN1_CONTEXT(3):
-			asn1_start_tag(asn1, ASN1_CONTEXT(3));
-			asn1_read_OctetString(asn1, mem_ctx, &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(struct asn1_data *asn1, struct spnego_negTokenTarg *token)
-{
-	asn1_push_tag(asn1, ASN1_CONTEXT(1));
-	asn1_push_tag(asn1, ASN1_SEQUENCE(0));
-
-	if (token->negResult != SPNEGO_NONE_RESULT) {
-		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 spnego_read_data(TALLOC_CTX *mem_ctx, DATA_BLOB data, struct spnego_data *token)
-{
-	struct asn1_data *asn1;
-	ssize_t ret = -1;
-	uint8_t context;
-
-	ZERO_STRUCTP(token);
-
-	if (data.length == 0) {
-		return ret;
-	}
-
-	asn1 = asn1_init(mem_ctx);
-	if (asn1 == NULL) {
-		return -1;
-	}
-
-	asn1_load(asn1, data);
-
-	if (!asn1_peek_uint8(asn1, &context)) {
-		asn1->has_error = true;
-	} else {
-		switch (context) {
-		case ASN1_APPLICATION(0):
-			asn1_start_tag(asn1, ASN1_APPLICATION(0));
-			asn1_check_OID(asn1, GENSEC_OID_SPNEGO);
-			if (read_negTokenInit(asn1, mem_ctx, &token->negTokenInit)) {
-				token->type = SPNEGO_NEG_TOKEN_INIT;
-			}
-			asn1_end_tag(asn1);
-			break;
-		case ASN1_CONTEXT(1):
-			if (read_negTokenTarg(asn1, mem_ctx, &token->negTokenTarg)) {
-				token->type = SPNEGO_NEG_TOKEN_TARG;
-			}
-			break;
-		default:
-			asn1->has_error = true;
-			break;
-		}
-	}
-
-	if (!asn1->has_error) ret = asn1->ofs;
-	asn1_free(asn1);
-
-	return ret;
-}
-
-ssize_t spnego_write_data(TALLOC_CTX *mem_ctx, DATA_BLOB *blob, struct spnego_data *spnego)
-{
-	struct asn1_data *asn1 = asn1_init(mem_ctx);
-	ssize_t ret = -1;
-
-	if (asn1 == NULL) {
-		return -1;
-	}
-
-	switch (spnego->type) {
-	case SPNEGO_NEG_TOKEN_INIT:
-		asn1_push_tag(asn1, ASN1_APPLICATION(0));
-		asn1_write_OID(asn1, GENSEC_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_talloc(mem_ctx, asn1->data, asn1->length);
-		ret = asn1->ofs;
-	}
-	asn1_free(asn1);
-
-	return ret;
-}
-
-bool spnego_free_data(struct spnego_data *spnego)
-{
-	bool ret = true;
-
-	if (!spnego) goto out;
-
-	switch(spnego->type) {
-	case SPNEGO_NEG_TOKEN_INIT:
-		if (spnego->negTokenInit.mechTypes) {
-			talloc_free(spnego->negTokenInit.mechTypes);
-		}
-		data_blob_free(&spnego->negTokenInit.mechToken);
-		data_blob_free(&spnego->negTokenInit.mechListMIC);
-		talloc_free(spnego->negTokenInit.targetPrincipal);
-		break;
-	case SPNEGO_NEG_TOKEN_TARG:
-		if (spnego->negTokenTarg.supportedMech) {
-			talloc_free(discard_const(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;
-}
-
-bool spnego_write_mech_types(TALLOC_CTX *mem_ctx,
-			     const char **mech_types,
-			     DATA_BLOB *blob)
-{
-	struct asn1_data *asn1 = asn1_init(mem_ctx);
-
-	/* Write mechTypes */
-	if (mech_types && *mech_types) {
-		int i;
-
-		asn1_push_tag(asn1, ASN1_SEQUENCE(0));
-		for (i = 0; mech_types[i]; i++) {
-			asn1_write_OID(asn1, mech_types[i]);
-		}
-		asn1_pop_tag(asn1);
-	}
-
-	if (asn1->has_error) {
-		asn1_free(asn1);
-		return false;
-	}
-
-	*blob = data_blob_talloc(mem_ctx, asn1->data, asn1->length);
-	if (blob->length != asn1->length) {
-		asn1_free(asn1);
-		return false;
-	}
-
-	asn1_free(asn1);
-
-	return true;
-}