r17998: start working on syntaxes

(This used to be commit b49b8f5cb5ffa29a3b63f70a1f437c9720d2228c)

4 files changed, 441 insertions, 29 deletions

diff --git a/source4/dsdb/samdb/ldb_modules/config.mk b/source4/dsdb/samdb/ldb_modules/config.mk
index a24703c5b6..1e3b793629 100644
--- a/source4/dsdb/samdb/ldb_modules/config.mk
+++ b/source4/dsdb/samdb/ldb_modules/config.mk
@@ -130,7 +130,7 @@ OBJ_FILES = \
 SUBSYSTEM = ldb
 INIT_FUNCTION = ldb_schema_init
 OBJ_FILES = \
-		schema.o
+		schema.o schema_syntax.o
 #
 # End MODULE ldb_schema
 ################################################
diff --git a/source4/dsdb/samdb/ldb_modules/schema.c b/source4/dsdb/samdb/ldb_modules/schema.c
index e498fa987e..36b7916e95 100644
--- a/source4/dsdb/samdb/ldb_modules/schema.c
+++ b/source4/dsdb/samdb/ldb_modules/schema.c
@@ -35,38 +35,13 @@
 #include "ldb/include/ldb_errors.h"
 #include "ldb/include/ldb_private.h"
 #include "lib/util/dlinklist.h"
+#include "schema_syntax.h"
 
 /* Syntax-Table
 
    see ldap_server/devdocs/AD-syntaxes.txt
 */
 
-enum schema_internal_syntax {
-	SCHEMA_AS_BOOLEAN,
-	SCHEMA_AS_INTEGER,
-	SCHEMA_AS_OCTET_STRING,
-	SCHEMA_AS_SID,
-	SCHEMA_AS_OID,
-	SCHEMA_AS_ENUMERATION,
-	SCHEMA_AS_NUMERIC_STRING,
-	SCHEMA_AS_PRINTABLE_STRING,
-	SCHEMA_AS_CASE_IGNORE_STRING,
-	SCHEMA_AS_IA5_STRING,
-	SCHEMA_AS_UTC_TIME,
-	SCHEMA_AS_GENERALIZED_TIME,
-	SCHEMA_AS_CASE_SENSITIVE_STRING,
-	SCHEMA_AS_DIRECTORY_STRING,
-	SCHEMA_AS_LARGE_INTEGER,
-	SCHEMA_AS_OBJECT_SECURITY_DESCRIPTOR,
-	SCHEMA_AS_DN,
-	SCHEMA_AS_DN_BINARY,
-	SCHEMA_AS_OR_NAME,
-	SCHEMA_AS_REPLICA_LINK,
-	SCHEMA_AS_PRESENTATION_ADDRESS,
-	SCHEMA_AS_ACCESS_POINT,
-	SCHEMA_AS_DN_STRING
-};
-
 enum schema_class_type {
 	SCHEMA_CT_88		= 0,
 	SCHEMA_CT_STRUCTURAL	= 1,
@@ -443,8 +418,8 @@ static int schema_init_attrs(struct ldb_module *module, struct schema_private_da
 		}
 
 		/* the following are optional */
-		data->attrs[i]->min = ldb_msg_find_attr_as_int(res->msgs[i], "rangeLower", -1);
-		data->attrs[i]->max = ldb_msg_find_attr_as_int(res->msgs[i], "rangeUpper", -1);
+		data->attrs[i]->min = ldb_msg_find_attr_as_int(res->msgs[i], "rangeLower", INT_MIN);
+		data->attrs[i]->max = ldb_msg_find_attr_as_int(res->msgs[i], "rangeUpper", INT_MAX);
 		data->attrs[i]->systemflag = ldb_msg_find_attr_as_int(res->msgs[i], "systemFlag", 0);
 		data->attrs[i]->searchflag = ldb_msg_find_attr_as_int(res->msgs[i], "searchFlag", 0);
 		data->attrs[i]->isdefunct = ldb_msg_find_attr_as_bool(res->msgs[i], "isDefunct", False);
diff --git a/source4/dsdb/samdb/ldb_modules/schema_syntax.c b/source4/dsdb/samdb/ldb_modules/schema_syntax.c
new file mode 100644
index 0000000000..02c42bbf8f
--- /dev/null
+++ b/source4/dsdb/samdb/ldb_modules/schema_syntax.c
@@ -0,0 +1,373 @@
+/* 
+   ldb database library
+
+   Copyright (C) Simo Sorce  2004-2006
+
+   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.
+*/
+
+/*
+ *  Name: ldb
+ *
+ *  Component: ldb schema module
+ *
+ *  Description: add schema syntax functionality
+ *
+ *  Author: Simo Sorce
+ *
+ *  License: GNU GPL v2 or Later
+ */
+
+#include "includes.h"
+#include "ldb/include/ldb.h"
+#include "ldb/include/ldb_errors.h"
+#include "schema_syntax.h"
+
+static int schema_validate_boolean(struct ldb_val *val, int min, int max)
+{
+
+	if ((strncmp("TRUE", (const char *)val->data, val->length) != 0) &&
+	    (strncmp("FALSE", (const char *)val->data, val->length) != 0)) {
+		return LDB_ERR_INVALID_ATTRIBUTE_SYNTAX;
+	}
+
+	return LDB_SUCCESS;
+}
+
+static int schema_validate_integer(struct ldb_val *val, int min, int max)
+{
+	int value;
+	char *endptr;
+
+	errno = 0;
+	value = strtol((const char *)val->data, &endptr, 0);
+	if (errno) return LDB_ERR_INVALID_ATTRIBUTE_SYNTAX;
+	if (endptr[0] != '\0') return LDB_ERR_INVALID_ATTRIBUTE_SYNTAX;
+	if ((min > INT_MIN) && (value < min)) return LDB_ERR_INVALID_ATTRIBUTE_SYNTAX;
+	if ((max < INT_MAX) && (value > max)) return LDB_ERR_INVALID_ATTRIBUTE_SYNTAX;
+
+	return LDB_SUCCESS;
+}
+
+static int schema_validate_binary_blob(struct ldb_val *val, int min, int max)
+{
+	/* is there anythign we should check in a binary blob ? */
+	return LDB_SUCCESS;
+}
+
+static int schema_validate_sid(struct ldb_val *val, int min, int max)
+{
+	/* TODO: validate binary form of objectSid */
+	return LDB_SUCCESS;	
+}
+
+static int schema_validate_oid(struct ldb_val *val, int min, int max)
+{
+	if (strspn((const char *)val->data, "0123456789.") != val->length)
+		return LDB_ERR_INVALID_ATTRIBUTE_SYNTAX;
+
+	return LDB_SUCCESS;
+}
+
+static int schema_validate_numeric_string(struct ldb_val *val, int min, int max)
+{
+	if (strspn((const char *)val->data, "0123456789") != val->length)
+		return LDB_ERR_INVALID_ATTRIBUTE_SYNTAX;
+
+	return LDB_SUCCESS;
+}
+
+static int schema_validate_printable_string(struct ldb_val *val, int min, int max)
+{
+	/* TODO: find out what constitutes the printable character set */
+	return LDB_SUCCESS;
+}
+
+static int schema_validate_teletext_string(struct ldb_val *val, int min, int max)
+{
+	/* TODO: find out what constitutes the teletext character set */
+	return LDB_SUCCESS;
+}
+
+static int schema_validate_ia5_string(struct ldb_val *val, int min, int max)
+{
+	/* TODO: find out what constitutes the IA5 character set */
+	return LDB_SUCCESS;
+}
+
+static int schema_validate_utc_time(struct ldb_val *val, int min, int max)
+{
+	/* TODO: validate syntax of UTC Time string */
+	return LDB_SUCCESS;
+}
+
+static int schema_validate_generalized_time(struct ldb_val *val, int min, int max)
+{
+	/* TODO: validate syntax of Generalized Time string */
+	return LDB_SUCCESS;
+}
+
+/* NOTE: not a single attribute has this syntax in the basic w2k3 schema */
+static int schema_validate_sensitive_string(struct ldb_val *val, int min, int max)
+{
+	/* TODO: find out what constitutes a "case sensitive string" */
+	return LDB_SUCCESS;
+}
+
+static int schema_validate_unicode_string(struct ldb_val *val, int min, int max)
+{
+	/* TODO: validate utf8 string */
+	return LDB_SUCCESS;
+}
+
+static int schema_validate_large_integer(struct ldb_val *val, int min, int max)
+{
+	/* TODO: validate large integer/interval */
+	return LDB_SUCCESS;
+}
+
+static int schema_validate_object_sd(struct ldb_val *val, int min, int max)
+{
+	/* TODO: validate object Security Descriptor */
+	return LDB_SUCCESS;
+}
+
+static int schema_validate_dn(struct ldb_val *val, int min, int max)
+{
+	TALLOC_CTX *memctx;
+	struct ldb_dn *dn;
+	int ret = LDB_SUCCESS;
+
+	memctx = talloc_new(NULL);
+	if (!memctx) return LDB_ERR_OPERATIONS_ERROR;
+
+	dn = ldb_dn_explode(memctx, (const char *)val->data);
+	if (!dn) {
+		ret = LDB_ERR_INVALID_ATTRIBUTE_SYNTAX;
+	}
+
+	talloc_free(memctx);
+	return ret;
+}
+
+static int schema_validate_binary_plus_dn(struct ldb_val *val, int min, int max)
+{
+	int ret = LDB_ERR_INVALID_ATTRIBUTE_SYNTAX;
+	TALLOC_CTX *memctx;
+	struct ldb_dn *dn;
+	char *str, *p;
+	char *endptr;
+	int num;
+       
+	memctx = talloc_new(NULL);
+	if (!memctx) return LDB_ERR_OPERATIONS_ERROR;
+
+	str = talloc_strdup(memctx, (const char *)val->data);
+	if (!str) {
+		ret = LDB_ERR_OPERATIONS_ERROR;
+		goto done;
+	}
+	if (strncasecmp(str, "B:", 2) != 0) {
+		goto done;
+	}
+
+	/* point at the number of chars in the string */
+	str = strchr(&str[2], ':');
+	if (!str) {
+		goto done;
+	}
+	str++;
+
+	errno = 0;
+	num = strtol(str, &endptr, 0);
+	if (errno) return LDB_ERR_INVALID_ATTRIBUTE_SYNTAX;
+	if (endptr[0] != ':') return LDB_ERR_INVALID_ATTRIBUTE_SYNTAX;
+	if ((min > INT_MIN) && (num < min)) return LDB_ERR_INVALID_ATTRIBUTE_SYNTAX;
+	if ((max < INT_MAX) && (num > max)) return LDB_ERR_INVALID_ATTRIBUTE_SYNTAX;
+
+	/* point at the string */
+	str = strchr(str, ':');
+	if (!str) {
+		goto done;
+	}
+	str++;
+
+	/* terminate the string */
+	p = strchr(str, ':');
+	if (!p) {
+		goto done;
+	}
+	*p = '\0';
+
+	if (strlen(str) != 2*num) {
+		goto done;
+	}
+
+	str = p + 1;
+
+	dn = ldb_dn_explode(memctx, str);
+	if (dn) {
+		ret = LDB_SUCCESS;
+	}
+
+done:
+	talloc_free(memctx);
+	return ret;
+}
+
+static int schema_validate_x400_or_name(struct ldb_val *val, int min, int max)
+{
+	/* TODO: find out what is the syntax of an X400 OR NAME */
+	return LDB_SUCCESS;
+}
+
+static int schema_validate_presentation_address(struct ldb_val *val, int min, int max)
+{
+	/* TODO: find out what is the syntax of a presentation address */
+	return LDB_SUCCESS;
+}
+
+static int schema_validate_x400_access_point(struct ldb_val *val, int min, int max)
+{
+	/* TODO: find out what is the syntax of an X400 Access Point */
+	return LDB_SUCCESS;
+}
+
+/* NOTE: seem there isn't a single attribute defined like this in the base w2k3 schema */
+static int schema_validate_string_plus_dn(struct ldb_val *val, int min, int max)
+{
+	int ret = LDB_ERR_INVALID_ATTRIBUTE_SYNTAX;
+	TALLOC_CTX *memctx;
+	struct ldb_dn *dn;
+	char *str, *p;
+	char *endptr;
+	int num;
+       
+	memctx = talloc_new(NULL);
+	if (!memctx) return LDB_ERR_OPERATIONS_ERROR;
+
+	str = talloc_strdup(memctx, (const char *)val->data);
+	if (!str) {
+		ret = LDB_ERR_OPERATIONS_ERROR;
+		goto done;
+	}
+	if (strncasecmp(str, "S:", 2) != 0) {
+		goto done;
+	}
+
+	/* point at the number of chars in the string */
+	str = strchr(&str[2], ':');
+	if (!str) {
+		goto done;
+	}
+	str++;
+
+	errno = 0;
+	num = strtol(str, &endptr, 0);
+	if (errno) return LDB_ERR_INVALID_ATTRIBUTE_SYNTAX;
+	if (endptr[0] != ':') return LDB_ERR_INVALID_ATTRIBUTE_SYNTAX;
+	if ((min > INT_MIN) && (num < min)) return LDB_ERR_INVALID_ATTRIBUTE_SYNTAX;
+	if ((max < INT_MAX) && (num > max)) return LDB_ERR_INVALID_ATTRIBUTE_SYNTAX;
+
+	/* point at the string */
+	str = strchr(str, ':');
+	if (!str) {
+		goto done;
+	}
+	str++;
+
+	/* terminate the string */
+	p = strchr(str, ':');
+	if (!p) {
+		goto done;
+	}
+	*p = '\0';
+
+	if (strlen(str) != num) {
+		goto done;
+	}
+
+	str = p + 1;
+
+	dn = ldb_dn_explode(memctx, str);
+	if (dn) {
+		ret = LDB_SUCCESS;
+	}
+
+done:
+	talloc_free(memctx);
+	return ret;
+}
+
+struct schema_syntax_validator {
+	enum schema_internal_syntax type;
+	int (*validate)(struct ldb_val *, int, int);
+};
+
+struct schema_syntax_validator schema_syntax_validators[] = {
+	{ SCHEMA_AS_BOOLEAN, schema_validate_boolean },
+	{ SCHEMA_AS_INTEGER, schema_validate_integer },
+	{ SCHEMA_AS_OCTET_STRING, schema_validate_binary_blob },
+	{ SCHEMA_AS_SID, schema_validate_sid },
+	{ SCHEMA_AS_OID, schema_validate_oid },
+	{ SCHEMA_AS_ENUMERATION, schema_validate_integer },
+	{ SCHEMA_AS_NUMERIC_STRING, schema_validate_numeric_string },
+	{ SCHEMA_AS_PRINTABLE_STRING, schema_validate_printable_string },
+	{ SCHEMA_AS_CASE_IGNORE_STRING, schema_validate_teletext_string },
+	{ SCHEMA_AS_IA5_STRING, schema_validate_ia5_string },
+	{ SCHEMA_AS_UTC_TIME, schema_validate_utc_time },
+	{ SCHEMA_AS_GENERALIZED_TIME, schema_validate_generalized_time },
+	{ SCHEMA_AS_CASE_SENSITIVE_STRING, schema_validate_sensitive_string },
+	{ SCHEMA_AS_DIRECTORY_STRING, schema_validate_unicode_string },
+	{ SCHEMA_AS_LARGE_INTEGER, schema_validate_large_integer },
+	{ SCHEMA_AS_OBJECT_SECURITY_DESCRIPTOR, schema_validate_object_sd },
+	{ SCHEMA_AS_DN, schema_validate_dn },
+	{ SCHEMA_AS_DN_BINARY, schema_validate_binary_plus_dn },
+	{ SCHEMA_AS_OR_NAME, schema_validate_x400_or_name },
+	{ SCHEMA_AS_REPLICA_LINK, schema_validate_binary_blob },
+	{ SCHEMA_AS_PRESENTATION_ADDRESS, schema_validate_presentation_address }, /* see rfc1278 ? */
+	{ SCHEMA_AS_ACCESS_POINT, schema_validate_x400_access_point },
+	{ SCHEMA_AS_DN_STRING, schema_validate_string_plus_dn },
+	{ -1, NULL }
+};
+
+int schema_validate(struct ldb_message_element *el,
+		    enum schema_internal_syntax type,
+		    bool single, int min, int max)
+{
+	struct schema_syntax_validator *v;
+	int i, ret;
+
+	if (single && (el->num_values > 1)) {
+		return LDB_ERR_INVALID_ATTRIBUTE_SYNTAX;
+	}
+
+	for (i = 0; schema_syntax_validators[i].type != 0; i++) {
+		if (schema_syntax_validators[i].type == type)
+			break;
+	}
+	if (schema_syntax_validators[i].type == 0) {
+		return LDB_ERR_OPERATIONS_ERROR;
+	}
+	v = &schema_syntax_validators[i];
+	
+	for (i = 0; i < el->num_values; i++) {
+		ret = v->validate(&el->values[i], min, max);
+	}
+
+	return LDB_SUCCESS;
+}
+
+
diff --git a/source4/dsdb/samdb/ldb_modules/schema_syntax.h b/source4/dsdb/samdb/ldb_modules/schema_syntax.h
new file mode 100644
index 0000000000..1974c10b99
--- /dev/null
+++ b/source4/dsdb/samdb/ldb_modules/schema_syntax.h
@@ -0,0 +1,64 @@
+/* 
+   ldb database library
+
+   Copyright (C) Simo Sorce  2004-2006
+
+   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.
+*/
+
+/*
+ *  Name: ldb
+ *
+ *  Component: ldb schema module
+ *
+ *  Description: add schema syntax functionality
+ *
+ *  Author: Simo Sorce
+ *
+ *  License: GNU GPL v2 or Later
+ */
+
+
+/* Syntax-Table
+
+   see ldap_server/devdocs/AD-syntaxes.txt
+*/
+
+enum schema_internal_syntax {
+	SCHEMA_AS_BOOLEAN = 1,
+	SCHEMA_AS_INTEGER = 2,
+	SCHEMA_AS_OCTET_STRING = 3,
+	SCHEMA_AS_SID = 4,
+	SCHEMA_AS_OID = 5,
+	SCHEMA_AS_ENUMERATION = 6,
+	SCHEMA_AS_NUMERIC_STRING = 7,
+	SCHEMA_AS_PRINTABLE_STRING = 8,
+	SCHEMA_AS_CASE_IGNORE_STRING = 9,
+	SCHEMA_AS_IA5_STRING = 10,
+	SCHEMA_AS_UTC_TIME = 11,
+	SCHEMA_AS_GENERALIZED_TIME = 12,
+	SCHEMA_AS_CASE_SENSITIVE_STRING = 13,
+	SCHEMA_AS_DIRECTORY_STRING = 14,
+	SCHEMA_AS_LARGE_INTEGER = 15,
+	SCHEMA_AS_OBJECT_SECURITY_DESCRIPTOR = 16,
+	SCHEMA_AS_DN = 17,
+	SCHEMA_AS_DN_BINARY = 18,
+	SCHEMA_AS_OR_NAME = 19,
+	SCHEMA_AS_REPLICA_LINK = 20,
+	SCHEMA_AS_PRESENTATION_ADDRESS = 21,
+	SCHEMA_AS_ACCESS_POINT = 22,
+	SCHEMA_AS_DN_STRING = 23
+};
+