r20221: - move the dsdb_schema, dsdb_attribute, dsdb_class structs into

  a generic location
- this struct should be also used by the dsdb/samdb/ldb_modules/schema.c
  module later
- add functions to map from LDAP OID values to uint32_t values
- add torture test for the OID => uint32 mapping code

metze
(This used to be commit 58ba6ec195ce3a5e2352866809f6cb57f8d8260a)

2 files changed, 403 insertions, 0 deletions

diff --git a/source4/dsdb/schema/schema.h b/source4/dsdb/schema/schema.h
new file mode 100644
index 0000000000..e872a6088e
--- /dev/null
+++ b/source4/dsdb/schema/schema.h
@@ -0,0 +1,109 @@
+/* 
+   Unix SMB/CIFS mplementation.
+   DSDB schema header
+   
+   Copyright (C) Stefan Metzmacher 2006
+    
+   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 2 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, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+   
+*/
+
+#ifndef _DSDB_SCHEMA_H
+#define _DSDB_SCHEMA_H
+
+struct dsdb_attribute {
+	struct dsdb_attribute *prev, *next;
+
+	const char *cn;
+	const char *lDAPDisplayName;
+	const char *attributeID_oid;
+	uint32_t attributeID_id;
+	struct GUID schemaIDGUID;
+	uint32_t mAPIID;
+
+	struct GUID attributeSecurityGUID;
+
+	uint32_t searchFlags;
+	uint32_t systemFlags;
+	BOOL isMemberOfPartialAttributeSet;
+	uint32_t linkID;
+
+	const char *attributeSyntax_oid;
+	uint32_t attributeSyntax_id;
+	uint32_t oMSyntax;
+	struct ldb_val oMObjectClass;
+
+	BOOL isSingleValued;
+	uint32_t rangeLower;
+	uint32_t rangeUpper;
+	BOOL extendedCharsAllowed;
+
+	uint32_t schemaFlagsEx;
+	struct ldb_val msDs_Schema_Extensions;
+
+	BOOL showInAdvancedViewOnly;
+	const char *adminDisplayName;
+	const char *adminDescription;
+	const char *classDisplayName;
+	BOOL isEphemeral;
+	BOOL isDefunct;
+	BOOL systemOnly;
+};
+
+struct dsdb_class {
+	struct dsdb_class *prev, *next;
+
+	const char *cn;
+	const char *lDAPDisplayName;
+	const char *governsID_oid;
+	uint32_t governsID_id;
+	struct GUID schemaIDGUID;
+
+	uint32_t objectClassCategory;
+	const char *rDNAttID;
+	const char *defaultObjectCategory;
+
+	const char *subClassOf;
+
+	const char *systemAuxiliaryClass;
+	const char **systemPossSuperiors;
+	const char **systemMustContain;
+	const char **systemMayContain;
+
+	const char *auxiliaryClass;
+	const char **possSuperiors;
+	const char **mustContain;
+	const char **mayContain;
+
+	const char *defaultSecurityDescriptor;
+
+	uint32_t schemaFlagsEx;
+	struct ldb_val msDs_Schema_Extensions;
+
+	BOOL showInAdvancedViewOnly;
+	const char *adminDisplayName;
+	const char *adminDescription;
+	const char *classDisplayName;
+	BOOL defaultHidingValue;
+	BOOL isDefunct;
+	BOOL systemOnly;
+};
+
+struct dsdb_schema {
+	struct dsdb_attribute *attributes;
+	struct dsdb_class *classes;
+};
+
+#endif /* _DSDB_SCHEMA_H */
diff --git a/source4/dsdb/schema/schema_init.c b/source4/dsdb/schema/schema_init.c
new file mode 100644
index 0000000000..ab7d5b1706
--- /dev/null
+++ b/source4/dsdb/schema/schema_init.c
@@ -0,0 +1,294 @@
+/* 
+   Unix SMB/CIFS mplementation.
+   DSDB schema header
+   
+   Copyright (C) Stefan Metzmacher 2006
+    
+   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 2 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, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+   
+*/
+
+#include "includes.h"
+#include "dsdb/samdb/samdb.h"
+#include "lib/util/dlinklist.h"
+
+#define _PREFIX(uint32, oid) {uint32,oid,sizeof(oid)}
+static const struct {
+	uint32_t uint32;
+	const char *oid;
+	size_t oid_len;
+} prefix_mappings[] = {
+	_PREFIX(0x00000000, "2.5.4."),
+	_PREFIX(0x00010000, "2.5.6."),
+	_PREFIX(0x00020000, "1.2.840.113556.1.2."),
+	_PREFIX(0x00030000, "1.2.840.113556.1.3."),
+	_PREFIX(0x00080000, "2.5.5."),
+	_PREFIX(0x00090000, "1.2.840.113556.1.4."),
+	_PREFIX(0x000A0000, "1.2.840.113556.1.5."),
+	_PREFIX(0x00140000, "2.16.840.1.113730.3."),
+	_PREFIX(0x00150000, "0.9.2342.19200300.100.1."),
+	_PREFIX(0x00160000, "2.16.840.1.113730.3.1."),
+	_PREFIX(0x00170000, "1.2.840.113556.1.5.7000."),
+	_PREFIX(0x001A0000, "2.5.20."),
+	_PREFIX(0x001C0000, "2.16.840.1.113730.3.2."),
+	_PREFIX(0x001D0000, "1.3.6.1.4.1.250.1."),
+	_PREFIX(0x001F0000, "0.9.2342.19200300.100.4."),
+};
+
+WERROR dsdb_map_oid2int(const char *in, uint32_t *out)
+{
+	uint32_t i;
+
+	for (i=0; i < ARRAY_SIZE(prefix_mappings); i++) {
+		const char *val_str;
+		char *end_str;
+		unsigned val;
+
+		if (strncmp(prefix_mappings[i].oid, in, prefix_mappings[i].oid_len - 1) != 0) {
+			continue;
+		}
+
+		val_str = in + prefix_mappings[i].oid_len - 1;
+		end_str = NULL;
+		errno = 0;
+
+		if (val_str[0] == '\0') {
+			return WERR_INVALID_PARAM;
+		}
+
+		val = strtoul(val_str, &end_str, 10);
+		if (end_str[0] != '\0') {
+			return WERR_INVALID_PARAM;
+		} else if (val > 0xFFFF) {
+			return WERR_INVALID_PARAM;
+		}
+
+		*out = prefix_mappings[i].uint32 | val;
+		return WERR_OK;
+	}
+
+	return WERR_DS_NO_MSDS_INTID;
+}
+
+WERROR dsdb_map_int2oid(uint32_t in, TALLOC_CTX *mem_ctx, const char **out)
+{
+	uint32_t i;
+
+	for (i=0; i < ARRAY_SIZE(prefix_mappings); i++) {
+		const char *val;
+		if (prefix_mappings[i].uint32 != (in & 0xFFFF0000)) {
+			continue;
+		}
+
+		val = talloc_asprintf(mem_ctx, "%s%u",
+				      prefix_mappings[i].oid,
+				      in & 0xFFFF);
+		W_ERROR_HAVE_NO_MEMORY(val);
+
+		*out = val;
+		return WERR_OK;
+	}
+
+	return WERR_DS_NO_MSDS_INTID;
+}
+
+bool dsdb_map_test(void)
+{
+	bool ret = true;
+	WERROR status;
+	const char *oid;
+	uint32_t id;
+
+	oid = "1.2.840.113556.1.4.1716";
+	status = dsdb_map_oid2int(oid, &id);
+	if (!W_ERROR_IS_OK(status)) {
+		DEBUG(0,("%s => %s\n", oid, win_errstr(status)));
+		ret = false;
+	} else {
+		DEBUG(0,("%s => 0x%08X\n", oid, id));
+	}
+
+	status = dsdb_map_int2oid(id, NULL, &oid);
+	if (!W_ERROR_IS_OK(status)) {
+		DEBUG(0,("0x%08X => %s\n", id, win_errstr(status)));
+		ret = false;
+	} else {
+		DEBUG(0,("0x%08X => %s\n", id, oid));
+	}
+
+	oid = "1.2.840.113556.1.4.1716.";
+	status = dsdb_map_oid2int(oid, &id);
+	if (!W_ERROR_IS_OK(status)) {
+		DEBUG(0,("%s => %s\n", oid, win_errstr(status)));
+		ret = false;
+	} else {
+		DEBUG(0,("%s => 0x%08X\n", oid, id));
+	}
+
+	oid = "5435.1.2.840.113556.1.4.1716.";
+	status = dsdb_map_oid2int(oid, &id);
+	if (!W_ERROR_IS_OK(status)) {
+		DEBUG(0,("%s => %s\n", oid, win_errstr(status)));
+		ret = false;
+	} else {
+		DEBUG(0,("%s => 0x%08X\n", oid, id));
+	}
+
+	id = 0xEF001234;
+	status = dsdb_map_int2oid(id, NULL, &oid);
+	if (!W_ERROR_IS_OK(status)) {
+		DEBUG(0,("0x%08X => %s\n", id, win_errstr(status)));
+		ret = false;
+	} else {
+		DEBUG(0,("0x%08X => %s\n", id, oid));
+	}
+
+	return ret;
+}
+
+#define GET_STRING(p, elem, strict) do { \
+	(p)->elem = samdb_result_string(msg, #elem, NULL);\
+	if (strict && (p)->elem == NULL) { \
+		d_printf("%s: %s == NULL\n", __location__, #elem); \
+		return WERR_INVALID_PARAM; \
+	} \
+	(void)talloc_steal(p, (p)->elem); \
+} while (0)
+
+#define GET_BOOL(p, elem, strict) do { \
+	const char *str; \
+	str = samdb_result_string(msg, #elem, NULL);\
+	if (str == NULL) { \
+		if (strict) { \
+			d_printf("%s: %s == NULL\n", __location__, #elem); \
+			return WERR_INVALID_PARAM; \
+		} else { \
+			(p)->elem = False; \
+		} \
+	} else if (strcasecmp("TRUE", str) == 0) { \
+		(p)->elem = True; \
+	} else if (strcasecmp("FALSE", str) == 0) { \
+		(p)->elem = False; \
+	} else { \
+		d_printf("%s: %s == %s\n", __location__, #elem, str); \
+		return WERR_INVALID_PARAM; \
+	} \
+} while (0)
+
+#define GET_UINT32(p, elem) do { \
+	(p)->elem = samdb_result_uint(msg, #elem, 0);\
+} while (0)
+
+#define GET_GUID(p, elem) do { \
+	(p)->elem = samdb_result_guid(msg, #elem);\
+} while (0)
+
+#define GET_BLOB(p, elem) do { \
+	const struct ldb_val *_val;\
+	_val = ldb_msg_find_ldb_val(msg, #elem);\
+	if (_val) {\
+		(p)->elem = *_val;\
+		(void)talloc_steal(p, (p)->elem.data);\
+	} else {\
+		ZERO_STRUCT((p)->elem);\
+	}\
+} while (0)
+
+WERROR dsdb_attribute_from_ldb(struct ldb_message *msg, TALLOC_CTX *mem_ctx, struct dsdb_attribute *attr)
+{
+	WERROR status;
+
+	GET_STRING(attr, cn, True);
+	GET_STRING(attr, lDAPDisplayName, True);
+	GET_STRING(attr, attributeID_oid, True);
+	status = dsdb_map_oid2int(attr->attributeID_oid, &attr->attributeID_id);
+	W_ERROR_NOT_OK_RETURN(status);
+	GET_GUID(attr, schemaIDGUID);
+	GET_UINT32(attr, mAPIID);
+
+	GET_GUID(attr, attributeSecurityGUID);
+
+	GET_UINT32(attr, searchFlags);
+	GET_UINT32(attr, systemFlags);
+	GET_BOOL(attr, isMemberOfPartialAttributeSet, False);
+	GET_UINT32(attr, linkID);
+
+	GET_STRING(attr, attributeSyntax_oid, True);
+	status = dsdb_map_oid2int(attr->attributeSyntax_oid, &attr->attributeSyntax_id);
+	W_ERROR_NOT_OK_RETURN(status);
+	GET_UINT32(attr, oMSyntax);
+	GET_BLOB(attr, oMObjectClass);
+
+	GET_BOOL(attr, isSingleValued, True);
+	GET_UINT32(attr, rangeLower);
+	GET_UINT32(attr, rangeUpper);
+	GET_BOOL(attr, extendedCharsAllowed, False);
+
+	GET_UINT32(attr, schemaFlagsEx);
+	GET_BLOB(attr, msDs_Schema_Extensions);
+
+	GET_BOOL(attr, showInAdvancedViewOnly, False);
+	GET_STRING(attr, adminDisplayName, True);
+	GET_STRING(attr, adminDescription, True);
+	GET_STRING(attr, classDisplayName, True);
+	GET_BOOL(attr, isEphemeral, False);
+	GET_BOOL(attr, isDefunct, False);
+	GET_BOOL(attr, systemOnly, False);
+
+	return WERR_OK;
+}
+
+WERROR dsdb_class_from_ldb(struct ldb_message *msg, TALLOC_CTX *mem_ctx, struct dsdb_class *obj)
+{
+	WERROR status;
+
+	GET_STRING(obj, cn, True);
+	GET_STRING(obj, lDAPDisplayName, True);
+	GET_STRING(obj, governsID_oid, True);
+	status = dsdb_map_oid2int(obj->governsID_oid, &obj->governsID_id);
+	W_ERROR_NOT_OK_RETURN(status);
+	GET_GUID(obj, schemaIDGUID);
+
+	GET_UINT32(obj, objectClassCategory);
+	GET_STRING(obj, rDNAttID, True);
+	GET_STRING(obj, defaultObjectCategory, True);
+
+	GET_STRING(obj, subClassOf, True);
+
+	GET_STRING(obj, systemAuxiliaryClass, False);
+	obj->systemPossSuperiors= NULL;
+	obj->systemMustContain	= NULL;
+	obj->systemMayContain	= NULL;
+
+	GET_STRING(obj, auxiliaryClass, False);
+	obj->possSuperiors	= NULL;
+	obj->mustContain	= NULL;
+	obj->mayContain		= NULL;
+
+	GET_STRING(obj, defaultSecurityDescriptor, False);
+
+	GET_UINT32(obj, schemaFlagsEx);
+	GET_BLOB(obj, msDs_Schema_Extensions);
+
+	GET_BOOL(obj, showInAdvancedViewOnly, False);
+	GET_STRING(obj, adminDisplayName, True);
+	GET_STRING(obj, adminDescription, True);
+	GET_STRING(obj, classDisplayName, True);
+	GET_BOOL(obj, defaultHidingValue, True);
+	GET_BOOL(obj, isDefunct, False);
+	GET_BOOL(obj, systemOnly, False);
+
+	return WERR_OK;
+}