ldb database library
Copyright (C) Derrell Lipman 2005
+ Copyright (C) Simo Sorce 2005
** NOTE! The following LGPL license applies to the ldb
** library. This does NOT imply that all of Samba is released
* Author: Derrell Lipman (based on Andrew Tridgell's LDAP backend)
*/
-#include <stdarg.h>
#include "includes.h"
-#include "ldb/include/ldb.h"
-#include "ldb/include/ldb_private.h"
+#include "ldb/include/includes.h"
+
#include "ldb/ldb_sqlite3/ldb_sqlite3.h"
/*
char *wild_card_string;
char *child, *tmp;
char *ret = NULL;
+ char *attr;
int i;
child = parsetree_to_sql(module, mem_ctx, t->u.list.elements[i]);
if (child == NULL) return NULL;
- tmp = talloc_asprintf_append(tmp, "INTERSECT %s ", child);
+ tmp = talloc_asprintf_append(tmp, " INTERSECT %s ", child);
if (tmp == NULL) return NULL;
}
child = parsetree_to_sql(module, mem_ctx, t->u.list.elements[i]);
if (child == NULL) return NULL;
- tmp = talloc_asprintf_append(tmp, "UNION %s ", child);
+ tmp = talloc_asprintf_append(tmp, " UNION %s ", child);
if (tmp == NULL) return NULL;
}
- return talloc_asprintf(mem_ctx, "SELECT * FROM ( %s )", tmp);
+ return talloc_asprintf(mem_ctx, "SELECT * FROM ( %s ) ", tmp);
case LDB_OP_NOT:
return talloc_asprintf(mem_ctx,
"SELECT eid FROM ldb_entry "
- "WHERE eid NOT IN ( %s )", child);
+ "WHERE eid NOT IN ( %s ) ", child);
case LDB_OP_EQUALITY:
/*
* For simple searches, we want to retrieve the list of EIDs that
* match the criteria.
*/
- h = ldb_attrib_handler(module->ldb, t->u.equality.attr);
+ attr = ldb_attr_casefold(module->ldb, mem_ctx, t->u.equality.attr);
+ if (attr == NULL) return NULL;
+ h = ldb_attrib_handler(module->ldb, attr);
/* Get a canonicalised copy of the data */
h->canonicalise_fn(module->ldb, mem_ctx, &(t->u.equality.value), &value);
/* A normal query. */
return lsqlite3_tprintf(mem_ctx,
"SELECT eid FROM ldb_attribute_values "
- "WHERE norm_attr_name = upper('%q') "
+ "WHERE norm_attr_name = '%q' "
"AND norm_attr_value = '%q'",
- t->u.equality.attr,
+ attr,
value.data);
}
for (i = 0; t->u.substring.chunks[i]; i++) {
wild_card_string = talloc_asprintf_append(wild_card_string, "%s*",
- t->u.substring.chunks[i]);
+ t->u.substring.chunks[i]->data);
if (wild_card_string == NULL) return NULL;
}
wild_card_string[strlen(wild_card_string) - 1] = '\0';
}
- h = ldb_attrib_handler(module->ldb, t->u.substring.attr);
+ attr = ldb_attr_casefold(module->ldb, mem_ctx, t->u.substring.attr);
+ if (attr == NULL) return NULL;
+ h = ldb_attrib_handler(module->ldb, attr);
subval.data = wild_card_string;
subval.length = strlen(wild_card_string) + 1;
return lsqlite3_tprintf(mem_ctx,
"SELECT eid FROM ldb_attribute_values "
- "WHERE norm_attr_name = upper('%q') "
+ "WHERE norm_attr_name = '%q' "
"AND norm_attr_value GLOB '%q'",
- t->u.substring.attr,
+ attr,
value.data);
case LDB_OP_GREATER:
- h = ldb_attrib_handler(module->ldb, t->u.equality.attr);
+ attr = ldb_attr_casefold(module->ldb, mem_ctx, t->u.equality.attr);
+ if (attr == NULL) return NULL;
+ h = ldb_attrib_handler(module->ldb, attr);
/* Get a canonicalised copy of the data */
h->canonicalise_fn(module->ldb, mem_ctx, &(t->u.equality.value), &value);
return lsqlite3_tprintf(mem_ctx,
"SELECT eid FROM ldb_attribute_values "
- "WHERE norm_attr_name = upper('%q') "
- "AND norm_attr_value >= '%q'",
- t->u.equality.attr,
- value.data);
+ "WHERE norm_attr_name = '%q' "
+ "AND ldap_compare(norm_attr_value, '>=', '%q', '%q') ",
+ attr,
+ value.data,
+ attr);
case LDB_OP_LESS:
- h = ldb_attrib_handler(module->ldb, t->u.equality.attr);
+ attr = ldb_attr_casefold(module->ldb, mem_ctx, t->u.equality.attr);
+ if (attr == NULL) return NULL;
+ h = ldb_attrib_handler(module->ldb, attr);
/* Get a canonicalised copy of the data */
h->canonicalise_fn(module->ldb, mem_ctx, &(t->u.equality.value), &value);
return lsqlite3_tprintf(mem_ctx,
"SELECT eid FROM ldb_attribute_values "
- "WHERE norm_attr_name = upper('%q') "
- "AND norm_attr_value <= '%q'",
- t->u.equality.attr,
- value.data);
+ "WHERE norm_attr_name = '%q' "
+ "AND ldap_compare(norm_attr_value, '<=', '%q', '%q') ",
+ attr,
+ value.data,
+ attr);
case LDB_OP_PRESENT:
- if (strcasecmp(t->u.present.attr, "dn")) {
+ if (strcasecmp(t->u.present.attr, "dn") == 0) {
return talloc_strdup(mem_ctx, "SELECT eid FROM ldb_entry");
}
+ attr = ldb_attr_casefold(module->ldb, mem_ctx, t->u.present.attr);
+ if (attr == NULL) return NULL;
+
return lsqlite3_tprintf(mem_ctx,
"SELECT eid FROM ldb_attribute_values "
- "WHERE norm_attr_name = upper('%q')",
- t->u.present.attr);
+ "WHERE norm_attr_name = '%q' ",
+ attr);
case LDB_OP_APPROX:
- h = ldb_attrib_handler(module->ldb, t->u.equality.attr);
+ attr = ldb_attr_casefold(module->ldb, mem_ctx, t->u.equality.attr);
+ if (attr == NULL) return NULL;
+ h = ldb_attrib_handler(module->ldb, attr);
/* Get a canonicalised copy of the data */
h->canonicalise_fn(module->ldb, mem_ctx, &(t->u.equality.value), &value);
return lsqlite3_tprintf(mem_ctx,
"SELECT eid FROM ldb_attribute_values "
- "WHERE norm_attr_name = upper('%q') "
- "AND norm_attr_value LIKE '%q'",
- t->u.equality.attr,
- value.data);
+ "WHERE norm_attr_name = '%q' "
+ "AND ldap_compare(norm_attr_value, '~%', 'q', '%q') ",
+ attr,
+ value.data,
+ attr);
case LDB_OP_EXTENDED:
#warning "work out how to handle bitops"
return NULL;
}
-
-/*
- * query_norows()
- *
- * This function is used for queries that are not expected to return any rows,
- * e.g. BEGIN, COMMIT, ROLLBACK, CREATE TABLE, INSERT, UPDATE, DELETE, etc.
- * There are no provisions here for returning data from rows in a table, so do
- * not pass SELECT queries to this function.
- */
-static int
-query_norows(const struct lsqlite3_private *lsqlite3,
- const char *pSql,
- ...)
-{
- int ret;
- int bLoop;
- char * p;
- sqlite3_stmt * pStmt;
- va_list args;
-
- /* Begin access to variable argument list */
- va_start(args, pSql);
-
- /* Format the query */
- if ((p = sqlite3_vmprintf(pSql, args)) == NULL) {
- return -1;
- }
-
- /*
- * Prepare and execute the SQL statement. Loop allows retrying on
- * certain errors, e.g. SQLITE_SCHEMA occurs if the schema changes,
- * requiring retrying the operation.
- */
- for (bLoop = TRUE; bLoop; ) {
-
- /* Compile the SQL statement into sqlite virtual machine */
- if ((ret = sqlite3_prepare(lsqlite3->sqlite,
- p,
- -1,
- &pStmt,
- NULL)) == SQLITE_SCHEMA) {
- if (stmtGetEID != NULL) {
- sqlite3_finalize(stmtGetEID);
- stmtGetEID = NULL;
- }
- continue;
- } else if (ret != SQLITE_OK) {
- ret = -1;
- break;
- }
-
- /* No rows expected, so just step through machine code once */
- if ((ret = sqlite3_step(pStmt)) == SQLITE_SCHEMA) {
- if (stmtGetEID != NULL) {
- sqlite3_finalize(stmtGetEID);
- stmtGetEID = NULL;
- }
- (void) sqlite3_finalize(pStmt);
- continue;
- } else if (ret != SQLITE_DONE) {
- (void) sqlite3_finalize(pStmt);
- ret = -1;
- break;
- }
-
- /* Free the virtual machine */
- if ((ret = sqlite3_finalize(pStmt)) == SQLITE_SCHEMA) {
- if (stmtGetEID != NULL) {
- sqlite3_finalize(stmtGetEID);
- stmtGetEID = NULL;
- }
- continue;
- } else if (ret != SQLITE_OK) {
- (void) sqlite3_finalize(pStmt);
- ret = -1;
- break;
- }
-
- /*
- * Normal condition is only one time through loop. Loop is
- * rerun in error conditions, via "continue", above.
- */
- ret = 0;
- bLoop = FALSE;
- }
-
- /* All done with variable argument list */
- va_end(args);
-
- /* Free the memory we allocated for our query string */
- sqlite3_free(p);
-
- return ret;
-}
-
-
-/* obtain a named lock */
-static int
-lsqlite3_lock(struct ldb_module * module,
- const char * lockname)
-{
- struct lsqlite3_private * lsqlite3 = module->private_data;
-
-/* FIXME
- if (lockname == NULL) {
- return -1;
- }
-
- if (strcmp(lockname, "transaction") == 0) {
- if (lsqlite3->lock_count == 0) {
- if (query_norows(lsqlite3, "BEGIN EXCLUSIVE;") != 0) {
- return -1;
- }
- }
- ++lsqlite3->lock_count;
- }
-*/
- return 0;
-}
-
-/* release a named lock */
-static int
-lsqlite3_unlock(struct ldb_module *module,
- const char *lockname)
-{
- struct lsqlite3_private * lsqlite3 = module->private_data;
-
-/* FIXME
- if (lockname == NULL) {
- return -1;
- }
-
- if (strcmp(lockname, "transaction") == 0) {
- if (lsqlite3->lock_count == 1) {
- if (query_norows(lsqlite3, "COMMIT;") != 0) {
- query_norows(lsqlite3, "ROLLBACK;");
- }
- } else if (lsqlite3->lock_count > 0) {
- --lsqlite3->lock_count;
- }
- } else if (strcmp(lockname, "rollback") == 0) {
- query_norows(lsqlite3, "ROLLBACK;");
- }
-*/
- return 0;
-}
-
/*
* query_int()
*
return ret;
}
+/*
+ * This is a bad hack to support ldap style comparisons whithin sqlite.
+ * val is the attribute in the row currently under test
+ * func is the desired test "<=" ">=" "~" ":"
+ * cmp is the value to compare against (eg: "test")
+ * attr is the attribute name the value of which we want to test
+ */
+
+static void lsqlite3_compare(sqlite3_context *ctx, int argc,
+ sqlite3_value **argv)
+{
+ struct ldb_context *ldb = (struct ldb_context *)sqlite3_user_data(ctx);
+ const unsigned char *val = sqlite3_value_text(argv[0]);
+ const unsigned char *func = sqlite3_value_text(argv[1]);
+ const unsigned char *cmp = sqlite3_value_text(argv[2]);
+ const unsigned char *attr = sqlite3_value_text(argv[3]);
+ const struct ldb_attrib_handler *h;
+ struct ldb_val valX;
+ struct ldb_val valY;
+ int ret;
+
+ switch (func[0]) {
+ /* greater */
+ case '>': /* >= */
+ h = ldb_attrib_handler(ldb, attr);
+ valX.data = cmp;
+ valX.length = strlen(cmp);
+ valY.data = val;
+ valY.length = strlen(val);
+ ret = h->comparison_fn(ldb, ldb, &valY, &valX);
+ if (ret >= 0)
+ sqlite3_result_int(ctx, 1);
+ else
+ sqlite3_result_int(ctx, 0);
+ return;
+
+ /* lesser */
+ case '<': /* <= */
+ h = ldb_attrib_handler(ldb, attr);
+ valX.data = cmp;
+ valX.length = strlen(cmp);
+ valY.data = val;
+ valY.length = strlen(val);
+ ret = h->comparison_fn(ldb, ldb, &valY, &valX);
+ if (ret <= 0)
+ sqlite3_result_int(ctx, 1);
+ else
+ sqlite3_result_int(ctx, 0);
+ return;
+
+ /* approx */
+ case '~':
+ /* TODO */
+ sqlite3_result_int(ctx, 0);
+ return;
+
+ /* bitops */
+ case ':':
+ /* TODO */
+ sqlite3_result_int(ctx, 0);
+ return;
+
+ default:
+ break;
+ }
+
+ sqlite3_result_error(ctx, "Value must start with a special operation char (<>~:)!", -1);
+ return;
+}
+
/* rename a record */
static int lsqlite3_safe_rollback(sqlite3 *sqlite)
ret = sqlite3_exec(sqlite, "ROLLBACK;", NULL, NULL, &errmsg);
if (ret != SQLITE_OK) {
if (errmsg) {
- printf("lsqlite3_safe_rollback: Serious Error: %s\n", errmsg);
+ printf("lsqlite3_safe_rollback: Error: %s\n", errmsg);
free(errmsg);
}
return -1;
int count;
struct ldb_message **msgs;
long long current_eid;
+ const char * const * attrs;
TALLOC_CTX *mem_ctx;
};
struct lsqlite3_msgs *msgs = (struct lsqlite3_msgs *)result;
struct ldb_message *msg;
long long eid;
+ int i;
/* eid, dn, attr_name, attr_value */
if (col_num != 4) return SQLITE_ABORT;
if (msg->dn == NULL) return SQLITE_ABORT;
}
- msg->elements = talloc_realloc(msg,
- msg->elements,
- struct ldb_message_element,
- msg->num_elements + 1);
- if (msg->elements == NULL) return SQLITE_ABORT;
-
- msg->elements[msg->num_elements].flags = 0;
- msg->elements[msg->num_elements].name = talloc_strdup(msg->elements, cols[2]);
- if (msg->elements[msg->num_elements].name == NULL) return SQLITE_ABORT;
-
- msg->elements[msg->num_elements].num_values = 1;
- msg->elements[msg->num_elements].values = talloc_array(msg->elements,
- struct ldb_val, 1);
- if (msg->elements[msg->num_elements].values == NULL) return SQLITE_ABORT;
-
- msg->elements[msg->num_elements].values[0].length = strlen(cols[3]);
- msg->elements[msg->num_elements].values[0].data = talloc_strdup(msg->elements, cols[3]);
- if (msg->elements[msg->num_elements].values[0].data == NULL) return SQLITE_ABORT;
+ if (msgs->attrs) {
+ int found = 0;
+ for (i = 0; msgs->attrs[i]; i++) {
+ if (strcasecmp(cols[2], msgs->attrs[i]) == 0) {
+ found = 1;
+ break;
+ }
+ }
+ if (!found) return 0;
+ }
- msg->num_elements++;
+ if (ldb_msg_add_string(msg, cols[2], cols[3]) != 0)
+ return SQLITE_ABORT;
return SQLITE_OK;
}
/* search for matching records, by tree */
static int lsqlite3_search_bytree(struct ldb_module * module, const struct ldb_dn* basedn,
enum ldb_scope scope, struct ldb_parse_tree * tree,
- const char * const * attrs, struct ldb_message *** res)
+ const char * const * attrs, struct ldb_result ** res)
{
TALLOC_CTX *local_ctx;
struct lsqlite3_private *lsqlite3 = module->private_data;
struct lsqlite3_msgs msgs;
char *norm_basedn;
- char *attr_list;
char *sqlfilter;
char *errmsg;
- char *query;
+ char *query = NULL;
int ret, i;
/* create a local ctx */
- local_ctx = talloc_named(lsqlite3, 0, "lsqlite3_search_by_tree local context");
+ local_ctx = talloc_named(lsqlite3, 0, "lsqlite3_search_bytree local context");
if (local_ctx == NULL) {
return -1;
}
if (basedn) {
norm_basedn = ldb_dn_linearize(local_ctx, ldb_dn_casefold(module->ldb, basedn));
- if (norm_basedn == NULL) goto failed;
+ if (norm_basedn == NULL) {
+ ret = LDB_ERR_INVALID_DN_SYNTAX;
+ goto failed;
+ }
} else norm_basedn = talloc_strdup(local_ctx, "");
if (*norm_basedn == '\0' &&
- (scope == LDB_SCOPE_BASE || scope == LDB_SCOPE_ONELEVEL))
+ (scope == LDB_SCOPE_BASE || scope == LDB_SCOPE_ONELEVEL)) {
+ ret = LDB_ERR_UNWILLING_TO_PERFORM;
goto failed;
+ }
/* Convert filter into a series of SQL conditions (constraints) */
sqlfilter = parsetree_to_sql(module, local_ctx, tree);
- /* Initially, we don't know what the requested attributes are */
- if (attrs != NULL) {
- attr_list = talloc_strdup(local_ctx, "AND norm_attr_name IN (");
- if (attr_list == NULL) goto failed;
-
- for (i = 0; attrs[i]; i++) {
- char *norm_attr_name;
-
- /* If any attribute in the list is "*" then... */
- if (strcmp(attrs[i], "*") == 0) {
- /* we want all attribute types */
- attr_list = talloc_strdup(local_ctx, "");
- if (attr_list == NULL) goto failed;
- break;
- }
-
- norm_attr_name = ldb_casefold(local_ctx, attrs[i]);
- if (norm_attr_name == NULL) goto failed;
-
- attr_list = talloc_asprintf_append(attr_list, "'%q', ",
- norm_attr_name);
- if (attr_list == NULL) goto failed;
-
- }
-
- /* substitute the last ',' with ')' */
- attr_list[strlen(attr_list)-2] = ')';
-
- } else {
- attr_list = talloc_strdup(local_ctx, "");
- if (attr_list == NULL) goto failed;
- }
-
switch(scope) {
case LDB_SCOPE_DEFAULT:
case LDB_SCOPE_SUBTREE:
" (%s)\n"
" )\n"
- " %s\n"
-
" ORDER BY entry.eid ASC;",
norm_basedn,
norm_basedn,
- sqlfilter,
- attr_list);
+ sqlfilter);
} else {
query = lsqlite3_tprintf(local_ctx,
"SELECT entry.eid,\n"
" (%s)\n"
" )\n"
- " %s\n"
-
" ORDER BY entry.eid ASC;",
- sqlfilter,
- attr_list);
+ sqlfilter);
}
break;
" (%s)\n"
" )\n"
- " %s\n"
-
" ORDER BY entry.eid ASC;",
norm_basedn,
- sqlfilter,
- attr_list);
+ sqlfilter);
break;
case LDB_SCOPE_ONELEVEL:
" AND ldb_entry.eid IN\n(%s)\n"
" )\n"
- " %s\n"
-
" ORDER BY entry.eid ASC;",
norm_basedn,
norm_basedn,
- sqlfilter,
- attr_list);
+ sqlfilter);
break;
}
if (query == NULL) {
- ret = -1;
+ ret = LDB_ERR_OTHER;
goto failed;
}
- /* printf ("%s\n", query); */
+ /* * /
+ printf ("%s\n", query);
+ / * */
msgs.msgs = NULL;
msgs.count = 0;
msgs.current_eid = 0;
msgs.mem_ctx = local_ctx;
+ msgs.attrs = attrs;
ret = sqlite3_exec(lsqlite3->sqlite, query, lsqlite3_search_callback, &msgs, &errmsg);
if (ret != SQLITE_OK) {
if (errmsg) {
- printf("lsqlite3_search_bytree: Fatal Error: %s\n", errmsg);
+ ldb_set_errstring(module, talloc_strdup(module, errmsg));
free(errmsg);
}
+ ret = LDB_ERR_OTHER;
goto failed;
}
for (i = 0; i < msgs.count; i++) {
msgs.msgs[i] = ldb_msg_canonicalize(module->ldb, msgs.msgs[i]);
- if (msgs.msgs[i] == NULL) goto failed;
+ if (msgs.msgs[i] == NULL) {
+ goto failed;
+ }
}
- *res = talloc_steal(module, msgs.msgs);
- ret = msgs.count;
+ *res = talloc(module, struct ldb_result);
+ if (! *res) {
+ goto failed;
+ }
+
+ (*res)->msgs = talloc_steal(*res, msgs.msgs);
+ (*res)->count = msgs.count;
+ (*res)->refs = NULL;
+ (*res)->controls = NULL;
talloc_free(local_ctx);
- return ret;
+ return LDB_SUCCESS;
/* If error, return error code; otherwise return number of results */
failed:
talloc_free(local_ctx);
- return -1;
-}
-
-/* search for matching records, by expression */
-static int lsqlite3_search(struct ldb_module * module, const struct ldb_dn *basedn,
- enum ldb_scope scope, const char * expression,
- const char * const *attrs, struct ldb_message *** res)
-{
- struct ldb_parse_tree * tree;
- int ret;
-
- /* Handle tdb specials */
- if (ldb_dn_is_special(basedn)) {
-#warning "handle tdb specials"
- return 0;
- }
-
-#if 0
-/* (|(objectclass=*)(dn=*)) is passed by the command line tool now instead */
- /* Handle the special case of requesting all */
- if (pExpression != NULL && *pExpression == '\0') {
- pExpression = "dn=*";
- }
-#endif
-
- /* Parse the filter expression into a tree we can work with */
- if ((tree = ldb_parse_tree(module->ldb, expression)) == NULL) {
- return -1;
- }
-
- /* Now use the bytree function for the remainder of processing */
- ret = lsqlite3_search_bytree(module, basedn, scope, tree, attrs, res);
-
- /* Free the parse tree */
- talloc_free(tree);
-
- /* All done. */
- return ret;
+ return LDB_ERR_OTHER;
}
char *dn, *ndn;
char *errmsg;
char *query;
- int rollback = 0;
int ret;
int i;
/* create a local ctx */
local_ctx = talloc_named(lsqlite3, 0, "lsqlite3_add local context");
if (local_ctx == NULL) {
- return -1;
+ return LDB_ERR_OTHER;
}
/* See if this is an ltdb special */
c = ldb_dn_explode(local_ctx, "@SUBCLASSES");
if (ldb_dn_compare(module->ldb, msg->dn, c) == 0) {
#warning "insert subclasses into object class tree"
+ ret = LDB_ERR_UNWILLING_TO_PERFORM;
goto failed;
}
+/*
c = ldb_dn_explode(local_ctx, "@INDEXLIST");
if (ldb_dn_compare(module->ldb, msg->dn, c) == 0) {
#warning "should we handle indexes somehow ?"
goto failed;
}
-
+*/
/* Others are implicitly ignored */
- return 0;
+ return LDB_SUCCESS;
}
/* create linearized and normalized dns */
dn = ldb_dn_linearize(local_ctx, msg->dn);
ndn = ldb_dn_linearize(local_ctx, ldb_dn_casefold(module->ldb, msg->dn));
- if (dn == NULL || ndn == NULL) goto failed;
+ if (dn == NULL || ndn == NULL) {
+ ret = LDB_ERR_OTHER;
+ goto failed;
+ }
query = lsqlite3_tprintf(local_ctx,
- /* Begin the transaction */
- "BEGIN EXCLUSIVE; "
/* Add new entry */
"INSERT OR ABORT INTO ldb_entry "
"('dn', 'norm_dn') "
"VALUES ('%q', '%q');",
dn, ndn);
- if (query == NULL) goto failed;
+ if (query == NULL) {
+ ret = LDB_ERR_OTHER;
+ goto failed;
+ }
ret = sqlite3_exec(lsqlite3->sqlite, query, NULL, NULL, &errmsg);
if (ret != SQLITE_OK) {
if (errmsg) {
- printf("lsqlite3_add: exec error: %s\n", errmsg);
+ ldb_set_errstring(module, talloc_strdup(module, errmsg));
free(errmsg);
}
- lsqlite3_safe_rollback(lsqlite3->sqlite);
+ ret = LDB_ERR_OTHER;
goto failed;
}
- rollback = 1;
eid = lsqlite3_get_eid_ndn(lsqlite3->sqlite, local_ctx, ndn);
- if (eid == -1) goto failed;
+ if (eid == -1) {
+ ret = LDB_ERR_OTHER;
+ goto failed;
+ }
for (i = 0; i < msg->num_elements; i++) {
const struct ldb_message_element *el = &msg->elements[i];
int j;
/* Get a case-folded copy of the attribute name */
- attr = ldb_casefold(local_ctx, el->name);
- if (attr == NULL) goto failed;
+ attr = ldb_attr_casefold(module->ldb, local_ctx, el->name);
+ if (attr == NULL) {
+ ret = LDB_ERR_OTHER;
+ goto failed;
+ }
h = ldb_attrib_handler(module->ldb, el->name);
/* Get a canonicalised copy of the data */
h->canonicalise_fn(module->ldb, local_ctx, &(el->values[j]), &value);
- if (value.data == NULL) goto failed;
+ if (value.data == NULL) {
+ ret = LDB_ERR_OTHER;
+ goto failed;
+ }
insert = lsqlite3_tprintf(local_ctx,
"INSERT OR ROLLBACK INTO ldb_attribute_values "
"VALUES ('%lld', '%q', '%q', '%q', '%q');",
eid, el->name, attr,
el->values[j].data, value.data);
- if (insert == NULL) goto failed;
+ if (insert == NULL) {
+ ret = LDB_ERR_OTHER;
+ goto failed;
+ }
ret = sqlite3_exec(lsqlite3->sqlite, insert, NULL, NULL, &errmsg);
if (ret != SQLITE_OK) {
if (errmsg) {
- printf("lsqlite3_add: insert error: %s\n", errmsg);
+ ldb_set_errstring(module, talloc_strdup(module, errmsg));
free(errmsg);
}
+ ret = LDB_ERR_OTHER;
goto failed;
}
}
}
- ret = sqlite3_exec(lsqlite3->sqlite, "COMMIT;", NULL, NULL, &errmsg);
- if (ret != SQLITE_OK) {
- if (errmsg) {
- printf("lsqlite3_add: commit error: %s\n", errmsg);
- free(errmsg);
- }
- goto failed;
- }
-
talloc_free(local_ctx);
- return 0;
+ return LDB_SUCCESS;
failed:
- if (rollback) lsqlite3_safe_rollback(lsqlite3->sqlite);
talloc_free(local_ctx);
- return -1;
+ return ret;
}
struct lsqlite3_private *lsqlite3 = module->private_data;
long long eid;
char *errmsg;
- int rollback = 0;
int ret;
int i;
/* create a local ctx */
local_ctx = talloc_named(lsqlite3, 0, "lsqlite3_modify local context");
if (local_ctx == NULL) {
- return -1;
+ return LDB_ERR_OTHER;
}
/* See if this is an ltdb special */
c = ldb_dn_explode(local_ctx, "@SUBCLASSES");
if (ldb_dn_compare(module->ldb, msg->dn, c) == 0) {
#warning "modify subclasses into object class tree"
- goto failed;
- }
-
- c = ldb_dn_explode(local_ctx, "@INDEXLIST");
- if (ldb_dn_compare(module->ldb, msg->dn, c) == 0) {
-#warning "should we handle indexes somehow ?"
+ ret = LDB_ERR_UNWILLING_TO_PERFORM;
goto failed;
}
/* Others are implicitly ignored */
- return 0;
- }
-
- ret = sqlite3_exec(lsqlite3->sqlite, "BEGIN EXCLUSIVE;", NULL, NULL, &errmsg);
- if (ret != SQLITE_OK) {
- if (errmsg) {
- printf("lsqlite3_modify: error: %s\n", errmsg);
- free(errmsg);
- }
- goto failed;
+ return LDB_SUCCESS;
}
- rollback = 1;
eid = lsqlite3_get_eid(module, msg->dn);
if (eid == -1) {
+ ret = LDB_ERR_OTHER;
goto failed;
}
int j;
/* Get a case-folded copy of the attribute name */
- attr = ldb_casefold(local_ctx, el->name);
+ attr = ldb_attr_casefold(module->ldb, local_ctx, el->name);
if (attr == NULL) {
+ ret = LDB_ERR_OTHER;
goto failed;
}
"WHERE eid = '%lld' "
"AND norm_attr_name = '%q';",
eid, attr);
- if (mod == NULL) goto failed;
+ if (mod == NULL) {
+ ret = LDB_ERR_OTHER;
+ goto failed;
+ }
ret = sqlite3_exec(lsqlite3->sqlite, mod, NULL, NULL, &errmsg);
if (ret != SQLITE_OK) {
if (errmsg) {
- printf("lsqlite3_modify: error: %s\n", errmsg);
+ ldb_set_errstring(module, talloc_strdup(module, errmsg));
free(errmsg);
}
+ ret = LDB_ERR_OTHER;
goto failed;
}
/* Get a canonicalised copy of the data */
h->canonicalise_fn(module->ldb, local_ctx, &(el->values[j]), &value);
if (value.data == NULL) {
+ ret = LDB_ERR_OTHER;
goto failed;
}
eid, el->name, attr,
el->values[j].data, value.data);
- if (mod == NULL) goto failed;
+ if (mod == NULL) {
+ ret = LDB_ERR_OTHER;
+ goto failed;
+ }
ret = sqlite3_exec(lsqlite3->sqlite, mod, NULL, NULL, &errmsg);
if (ret != SQLITE_OK) {
if (errmsg) {
- printf("lsqlite3_modify: error: %s\n", errmsg);
+ ldb_set_errstring(module, talloc_strdup(module, errmsg));
free(errmsg);
}
+ ret = LDB_ERR_OTHER;
goto failed;
}
}
"WHERE eid = '%lld' "
"AND norm_attr_name = '%q';",
eid, attr);
- if (mod == NULL) goto failed;
+ if (mod == NULL) {
+ ret = LDB_ERR_OTHER;
+ goto failed;
+ }
ret = sqlite3_exec(lsqlite3->sqlite, mod, NULL, NULL, &errmsg);
if (ret != SQLITE_OK) {
if (errmsg) {
- printf("lsqlite3_modify: error: %s\n", errmsg);
+ ldb_set_errstring(module, talloc_strdup(module, errmsg));
free(errmsg);
}
+ ret = LDB_ERR_OTHER;
goto failed;
}
}
/* Get a canonicalised copy of the data */
h->canonicalise_fn(module->ldb, local_ctx, &(el->values[j]), &value);
if (value.data == NULL) {
+ ret = LDB_ERR_OTHER;
goto failed;
}
"AND norm_attr_value = '%q';",
eid, attr, value.data);
- if (mod == NULL) goto failed;
+ if (mod == NULL) {
+ ret = LDB_ERR_OTHER;
+ goto failed;
+ }
ret = sqlite3_exec(lsqlite3->sqlite, mod, NULL, NULL, &errmsg);
if (ret != SQLITE_OK) {
if (errmsg) {
- printf("lsqlite3_modify: error: %s\n", errmsg);
+ ldb_set_errstring(module, talloc_strdup(module, errmsg));
free(errmsg);
}
+ ret = LDB_ERR_OTHER;
goto failed;
}
}
}
}
- ret = sqlite3_exec(lsqlite3->sqlite, "COMMIT;", NULL, NULL, &errmsg);
- if (ret != SQLITE_OK) {
- if (errmsg) {
- printf("lsqlite3_modify: error: %s\n", errmsg);
- free(errmsg);
- }
- goto failed;
- }
-
talloc_free(local_ctx);
- return 0;
+ return LDB_SUCCESS;
failed:
- if (rollback) lsqlite3_safe_rollback(lsqlite3->sqlite);
talloc_free(local_ctx);
- return -1;
+ return ret;
}
/* delete a record */
/* ignore ltdb specials */
if (ldb_dn_is_special(dn)) {
- return 0;
+ return LDB_SUCCESS;
}
/* create a local ctx */
local_ctx = talloc_named(lsqlite3, 0, "lsqlite3_delete local context");
if (local_ctx == NULL) {
- return -1;
+ return LDB_ERR_OTHER;
}
eid = lsqlite3_get_eid(module, dn);
- if (eid == -1) goto failed;
+ if (eid == -1) {
+ ret = LDB_ERR_OTHER;
+ goto failed;
+ }
query = lsqlite3_tprintf(local_ctx,
- /* Begin the transaction */
- "BEGIN EXCLUSIVE; "
/* Delete entry */
"DELETE FROM ldb_entry WHERE eid = %lld; "
/* Delete attributes */
- "DELETE FROM ldb_attribute_values WHERE eid = %lld; "
- /* Commit */
- "COMMIT;",
+ "DELETE FROM ldb_attribute_values WHERE eid = %lld; ",
eid, eid);
- if (query == NULL) goto failed;
+ if (query == NULL) {
+ ret = LDB_ERR_OTHER;
+ goto failed;
+ }
ret = sqlite3_exec(lsqlite3->sqlite, query, NULL, NULL, &errmsg);
if (ret != SQLITE_OK) {
if (errmsg) {
- printf("lsqlite3_delete: error getting eid: %s\n", errmsg);
+ ldb_set_errstring(module, talloc_strdup(module, errmsg));
free(errmsg);
}
- lsqlite3_safe_rollback(lsqlite3->sqlite);
+ ret = LDB_ERR_OTHER;
goto failed;
}
talloc_free(local_ctx);
- return 0;
+ return LDB_SUCCESS;
failed:
talloc_free(local_ctx);
- return -1;
+ return ret;
}
/* rename a record */
/* ignore ltdb specials */
if (ldb_dn_is_special(olddn) || ldb_dn_is_special(newdn)) {
- return 0;
+ return LDB_SUCCESS;
}
/* create a local ctx */
local_ctx = talloc_named(lsqlite3, 0, "lsqlite3_rename local context");
if (local_ctx == NULL) {
- return -1;
+ return LDB_ERR_OTHER;
}
/* create linearized and normalized dns */
old_cdn = ldb_dn_linearize(local_ctx, ldb_dn_casefold(module->ldb, olddn));
new_cdn = ldb_dn_linearize(local_ctx, ldb_dn_casefold(module->ldb, newdn));
new_dn = ldb_dn_linearize(local_ctx, newdn);
- if (old_cdn == NULL || new_cdn == NULL || new_dn == NULL) goto failed;
+ if (old_cdn == NULL || new_cdn == NULL || new_dn == NULL) {
+ ret = LDB_ERR_OTHER;
+ goto failed;
+ }
/* build the SQL query */
query = lsqlite3_tprintf(local_ctx,
"UPDATE ldb_entry SET dn = '%q', norm_dn = '%q' "
"WHERE norm_dn = '%q';",
new_dn, new_cdn, old_cdn);
- if (query == NULL) goto failed;
+ if (query == NULL) {
+ ret = LDB_ERR_OTHER;
+ goto failed;
+ }
/* execute */
ret = sqlite3_exec(lsqlite3->sqlite, query, NULL, NULL, &errmsg);
if (ret != SQLITE_OK) {
if (errmsg) {
- printf("lsqlite3_rename: sqlite3_exec error: %s\n", errmsg);
+ ldb_set_errstring(module, talloc_strdup(module, errmsg));
free(errmsg);
}
+ ret = LDB_ERR_OTHER;
goto failed;
}
/* clean up and exit */
talloc_free(local_ctx);
- return 0;
+ return LDB_SUCCESS;
failed:
talloc_free(local_ctx);
- return -1;
+ return ret;
}
-/* return extended error information */
-static const char *
-lsqlite3_errstring(struct ldb_module *module)
+
+static int lsqlite3_start_trans(struct ldb_module * module)
{
+ int ret;
+ char *errmsg;
struct lsqlite3_private * lsqlite3 = module->private_data;
-
- return sqlite3_errmsg(lsqlite3->sqlite);
+
+ if (lsqlite3->trans_count == 0) {
+ ret = sqlite3_exec(lsqlite3->sqlite, "BEGIN IMMEDIATE;", NULL, NULL, &errmsg);
+ if (ret != SQLITE_OK) {
+ if (errmsg) {
+ printf("lsqlite3_start_trans: error: %s\n", errmsg);
+ free(errmsg);
+ }
+ return -1;
+ }
+ };
+
+ lsqlite3->trans_count++;
+
+ return 0;
}
+static int lsqlite3_end_trans(struct ldb_module *module)
+{
+ int ret;
+ char *errmsg;
+ struct lsqlite3_private *lsqlite3 = module->private_data;
+
+ if (lsqlite3->trans_count > 0) {
+ lsqlite3->trans_count--;
+ } else return -1;
+
+ if (lsqlite3->trans_count == 0) {
+ ret = sqlite3_exec(lsqlite3->sqlite, "COMMIT;", NULL, NULL, &errmsg);
+ if (ret != SQLITE_OK) {
+ if (errmsg) {
+ printf("lsqlite3_end_trans: error: %s\n", errmsg);
+ free(errmsg);
+ }
+ return -1;
+ }
+ }
+
+ return 0;
+}
+static int lsqlite3_del_trans(struct ldb_module *module)
+{
+ struct lsqlite3_private *lsqlite3 = module->private_data;
+ if (lsqlite3->trans_count > 0) {
+ lsqlite3->trans_count--;
+ } else return -1;
+
+ if (lsqlite3->trans_count == 0) {
+ return lsqlite3_safe_rollback(lsqlite3->sqlite);
+ }
+
+ return -1;
+}
/*
* Static functions
*/
-static int initialize(struct lsqlite3_private *lsqlite3, const char *url)
+static int initialize(struct lsqlite3_private *lsqlite3,
+ struct ldb_context *ldb, const char *url, int flags)
{
- int ret;
+ TALLOC_CTX *local_ctx;
long long queryInt;
- const char *pTail;
- sqlite3_stmt *stmt;
- const char *schema =
+ int rollback = 0;
+ char *errmsg;
+ char *schema;
+ int ret;
+
+ /* create a local ctx */
+ local_ctx = talloc_named(lsqlite3, 0, "lsqlite3_rename local context");
+ if (local_ctx == NULL) {
+ return -1;
+ }
+
+ schema = lsqlite3_tprintf(local_ctx,
"CREATE TABLE ldb_info AS "
/*
* Triggers
*/
-
+
"CREATE TRIGGER ldb_object_classes_insert_tr"
" AFTER INSERT"
" ON ldb_object_classes"
" SET max_child_num = max_child_num + 1"
" WHERE class_name = new.parent_class_name;"
" END;"
-
+
/*
* Table initialization
*/
"INSERT INTO ldb_object_classes "
" (class_name, tree_key) "
" VALUES "
- " ('TOP', '0001');"
-
- ;
+ " ('TOP', '0001');");
/* Skip protocol indicator of url */
if (strncmp(url, "sqlite://", 9) != 0) {
}
/* In case this is a new database, enable auto_vacuum */
- if (query_norows(lsqlite3, "PRAGMA auto_vacuum=1;") != 0) {
- return -1;
- }
+ ret = sqlite3_exec(lsqlite3->sqlite, "PRAGMA auto_vacuum = 1;", NULL, NULL, &errmsg);
+ if (ret != SQLITE_OK) {
+ if (errmsg) {
+ printf("lsqlite3 initializaion error: %s\n", errmsg);
+ free(errmsg);
+ }
+ goto failed;
+ }
+
+ if (flags & LDB_FLG_NOSYNC) {
+ /* DANGEROUS */
+ ret = sqlite3_exec(lsqlite3->sqlite, "PRAGMA synchronous = OFF;", NULL, NULL, &errmsg);
+ if (ret != SQLITE_OK) {
+ if (errmsg) {
+ printf("lsqlite3 initializaion error: %s\n", errmsg);
+ free(errmsg);
+ }
+ goto failed;
+ }
+ }
+
+ /* */
/* Establish a busy timeout of 30 seconds */
if ((ret = sqlite3_busy_timeout(lsqlite3->sqlite,
return ret;
}
- /* Begin a transaction */
- if ((ret = query_norows(lsqlite3, "BEGIN EXCLUSIVE;")) != 0) {
- return ret;
+ /* Create a function, callable from sql, to perform various comparisons */
+ if ((ret =
+ sqlite3_create_function(lsqlite3->sqlite, /* handle */
+ "ldap_compare", /* function name */
+ 4, /* number of args */
+ SQLITE_ANY, /* preferred text type */
+ ldb , /* user data */
+ lsqlite3_compare, /* called func */
+ NULL, /* step func */
+ NULL /* final func */
+ )) != SQLITE_OK) {
+ return ret;
}
-
+
+ /* Begin a transaction */
+ ret = sqlite3_exec(lsqlite3->sqlite, "BEGIN EXCLUSIVE;", NULL, NULL, &errmsg);
+ if (ret != SQLITE_OK) {
+ if (errmsg) {
+ printf("lsqlite3: initialization error: %s\n", errmsg);
+ free(errmsg);
+ }
+ goto failed;
+ }
+ rollback = 1;
+
/* Determine if this is a new database. No tables means it is. */
if (query_int(lsqlite3,
&queryInt,
"SELECT COUNT(*)\n"
" FROM sqlite_master\n"
" WHERE type = 'table';") != 0) {
- query_norows(lsqlite3, "ROLLBACK;");
- return -1;
+ goto failed;
}
if (queryInt == 0) {
/*
* Create the database schema
*/
- for (pTail = discard_const_p(char, schema);
- pTail != NULL && *pTail != '\0';
- ) {
-
- if ((ret = sqlite3_prepare(
- lsqlite3->sqlite,
- pTail,
- -1,
- &stmt,
- &pTail)) != SQLITE_OK ||
- (ret = sqlite3_step(stmt)) != SQLITE_DONE ||
- (ret = sqlite3_finalize(stmt)) != SQLITE_OK) {
-
- query_norows(lsqlite3, "ROLLBACK;");
- (void) sqlite3_close(lsqlite3->sqlite);
- return ret;
- }
- }
+ ret = sqlite3_exec(lsqlite3->sqlite, schema, NULL, NULL, &errmsg);
+ if (ret != SQLITE_OK) {
+ if (errmsg) {
+ printf("lsqlite3 initializaion error: %s\n", errmsg);
+ free(errmsg);
+ }
+ goto failed;
+ }
} else {
/*
* Ensure that the database we opened is one of ours
queryInt != 1) {
/* It's not one that we created. See ya! */
- query_norows(lsqlite3, "ROLLBACK;");
- (void) sqlite3_close(lsqlite3->sqlite);
- return SQLITE_MISUSE;
+ goto failed;
}
}
- /*
- * Create a temporary table to hold attributes requested in the result
- * set of a search.
- */
- query_norows(lsqlite3, "DROP TABLE " RESULT_ATTR_TABLE ";\n");
- if ((ret =
- query_norows(lsqlite3,
- "CREATE " TEMPTAB " TABLE " RESULT_ATTR_TABLE "\n"
- " (\n"
- " attr_name TEXT PRIMARY KEY\n"
- " );")) != 0) {
- query_norows(lsqlite3, "ROLLBACK;");
- return ret;
- }
-
/* Commit the transaction */
- if ((ret = query_norows(lsqlite3, "COMMIT;")) != 0) {
- query_norows(lsqlite3, "ROLLBACK;");
- return ret;
- }
-
+ ret = sqlite3_exec(lsqlite3->sqlite, "COMMIT;", NULL, NULL, &errmsg);
+ if (ret != SQLITE_OK) {
+ if (errmsg) {
+ printf("lsqlite3: iniialization error: %s\n", errmsg);
+ free(errmsg);
+ }
+ goto failed;
+ }
+
return SQLITE_OK;
+
+failed:
+ if (rollback) lsqlite3_safe_rollback(lsqlite3->sqlite);
+ sqlite3_close(lsqlite3->sqlite);
+ return -1;
}
static int
}
+static int lsqlite3_request(struct ldb_module *module, struct ldb_request *req)
+{
+ /* check for oustanding critical controls and return an error if found */
+ if (check_critical_controls(req->controls)) {
+ return LDB_ERR_UNSUPPORTED_CRITICAL_EXTENSION;
+ }
+
+ switch (req->operation) {
+
+ case LDB_REQ_SEARCH:
+ return lsqlite3_search_bytree(module,
+ req->op.search.base,
+ req->op.search.scope,
+ req->op.search.tree,
+ req->op.search.attrs,
+ &req->op.search.res);
+
+ case LDB_REQ_ADD:
+ return lsqlite3_add(module, req->op.add.message);
+
+ case LDB_REQ_MODIFY:
+ return lsqlite3_modify(module, req->op.mod.message);
+
+ case LDB_REQ_DELETE:
+ return lsqlite3_delete(module, req->op.del.dn);
+
+ case LDB_REQ_RENAME:
+ return lsqlite3_rename(module,
+ req->op.rename.olddn,
+ req->op.rename.newdn);
+
+ default:
+ return LDB_ERR_OPERATIONS_ERROR;
+
+ }
+}
+
+static int lsqlite3_init_2(struct ldb_module *module)
+{
+ return LDB_SUCCESS;
+}
/*
* Table of operations for the sqlite3 backend
*/
static const struct ldb_module_ops lsqlite3_ops = {
- .name = "sqlite",
- .search = lsqlite3_search,
- .search_bytree = lsqlite3_search_bytree,
- .add_record = lsqlite3_add,
- .modify_record = lsqlite3_modify,
- .delete_record = lsqlite3_delete,
- .rename_record = lsqlite3_rename,
- .named_lock = lsqlite3_lock,
- .named_unlock = lsqlite3_unlock,
- .errstring = lsqlite3_errstring
+ .name = "sqlite",
+ .request = lsqlite3_request,
+ .start_transaction = lsqlite3_start_trans,
+ .end_transaction = lsqlite3_end_trans,
+ .del_transaction = lsqlite3_del_trans,
+ .second_stage_init = lsqlite3_init_2
};
/*
lsqlite3->sqlite = NULL;
lsqlite3->options = NULL;
- lsqlite3->lock_count = 0;
+ lsqlite3->trans_count = 0;
- ret = initialize(lsqlite3, url);
+ ret = initialize(lsqlite3, ldb, url, flags);
if (ret != SQLITE_OK) {
goto failed;
}
git.samba.org / kai / samba.git / blobdiff