4 Copyright (C) Derrell Lipman 2005
5 Copyright (C) Simo Sorce 2005
7 ** NOTE! The following LGPL license applies to the ldb
8 ** library. This does NOT imply that all of Samba is released
11 This library is free software; you can redistribute it and/or
12 modify it under the terms of the GNU Lesser General Public
13 License as published by the Free Software Foundation; either
14 version 2 of the License, or (at your option) any later version.
16 This library is distributed in the hope that it will be useful,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 Lesser General Public License for more details.
21 You should have received a copy of the GNU Lesser General Public
22 License along with this library; if not, write to the Free Software
23 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
29 * Component: ldb sqlite3 backend
31 * Description: core files for SQLITE3 backend
33 * Author: Derrell Lipman (based on Andrew Tridgell's LDAP backend)
37 #include "ldb/include/includes.h"
41 struct lsqlite3_private {
48 struct ldb_module *module;
51 long long current_eid;
52 const char * const * attrs;
53 struct ldb_reply *ares;
57 int (*callback)(struct ldb_context *, void *, struct ldb_reply *);
60 static struct ldb_handle *init_handle(struct lsqlite3_private *lsqlite3, struct ldb_module *module,
62 int (*callback)(struct ldb_context *, void *, struct ldb_reply *))
64 struct lsql_context *ac;
67 h = talloc_zero(lsqlite3, struct ldb_handle);
69 ldb_set_errstring(module->ldb, "Out of Memory");
75 ac = talloc(h, struct lsql_context);
77 ldb_set_errstring(module->ldb, "Out of Memory");
82 h->private_data = (void *)ac;
84 h->state = LDB_ASYNC_INIT;
85 h->status = LDB_SUCCESS;
88 ac->context = context;
89 ac->callback = callback;
95 * Macros used throughout
100 # define TRUE (! FALSE)
103 #define RESULT_ATTR_TABLE "temp_result_attrs"
105 //#define TEMPTAB /* for testing, create non-temporary table */
106 #define TEMPTAB "TEMPORARY"
111 sqlite3_stmt * stmtGetEID = NULL;
113 static char *lsqlite3_tprintf(TALLOC_CTX *mem_ctx, const char *fmt, ...)
119 str = sqlite3_vmprintf(fmt, ap);
122 if (str == NULL) return NULL;
124 ret = talloc_strdup(mem_ctx, str);
134 static char base160tab[161] = {
135 48 ,49 ,50 ,51 ,52 ,53 ,54 ,55 ,56 ,57 , /* 0-9 */
136 58 ,59 ,65 ,66 ,67 ,68 ,69 ,70 ,71 ,72 , /* : ; A-H */
137 73 ,74 ,75 ,76 ,77 ,78 ,79 ,80 ,81 ,82 , /* I-R */
138 83 ,84 ,85 ,86 ,87 ,88 ,89 ,90 ,97 ,98 , /* S-Z , a-b */
139 99 ,100,101,102,103,104,105,106,107,108, /* c-l */
140 109,110,111,112,113,114,115,116,117,118, /* m-v */
141 119,120,121,122,160,161,162,163,164,165, /* w-z, latin1 */
142 166,167,168,169,170,171,172,173,174,175, /* latin1 */
143 176,177,178,179,180,181,182,183,184,185, /* latin1 */
144 186,187,188,189,190,191,192,193,194,195, /* latin1 */
145 196,197,198,199,200,201,202,203,204,205, /* latin1 */
146 206,207,208,209,210,211,212,213,214,215, /* latin1 */
147 216,217,218,219,220,221,222,223,224,225, /* latin1 */
148 226,227,228,229,230,231,232,233,234,235, /* latin1 */
149 236,237,238,239,240,241,242,243,244,245, /* latin1 */
150 246,247,248,249,250,251,252,253,254,255, /* latin1 */
158 * Convert an unsigned long integer into a base160 representation of the
163 * value to be converted
166 * character array, 5 bytes long, into which the base160 representation
167 * will be placed. The result will be a four-digit representation of the
168 * number (with leading zeros prepended as necessary), and null
175 base160_sql(sqlite3_context * hContext,
177 sqlite3_value ** argv)
183 val = sqlite3_value_int64(argv[0]);
185 for (i = 3; i >= 0; i--) {
187 result[i] = base160tab[val % 160];
193 sqlite3_result_text(hContext, result, -1, SQLITE_TRANSIENT);
200 * This function enhances sqlite by adding a "base160_next()" function which is
201 * accessible via queries.
203 * Retrieve the next-greater number in the base160 sequence for the terminal
204 * tree node (the last four digits). Only one tree level (four digits) is
208 * A character string: either an empty string (in which case no operation is
209 * performed), or a string of base160 digits with a length of a multiple of
213 * Upon return, the trailing four digits (one tree level) will have been
217 base160next_sql(sqlite3_context * hContext,
219 sqlite3_value ** argv)
224 char * pBase160 = strdup((const char *)sqlite3_value_text(argv[0]));
225 char * pStart = pBase160;
228 * We need a minimum of four digits, and we will always get a multiple
231 if (pBase160 != NULL &&
232 (len = strlen(pBase160)) >= 4 &&
235 if (pBase160 == NULL) {
237 sqlite3_result_null(hContext);
241 pBase160 += strlen(pBase160) - 1;
243 /* We only carry through four digits: one level in the tree */
244 for (i = 0; i < 4; i++) {
246 /* What base160 value does this digit have? */
247 pTab = strchr(base160tab, *pBase160);
249 /* Is there a carry? */
250 if (pTab < base160tab + sizeof(base160tab) - 1) {
253 * Nope. Just increment this value and we're
261 * There's a carry. This value gets
262 * base160tab[0], we decrement the buffer
263 * pointer to get the next higher-order digit,
264 * and continue in the loop.
266 *pBase160-- = base160tab[0];
270 sqlite3_result_text(hContext,
275 sqlite3_result_value(hContext, argv[0]);
276 if (pBase160 != NULL) {
282 static char *parsetree_to_sql(struct ldb_module *module,
284 const struct ldb_parse_tree *t)
286 const struct ldb_attrib_handler *h;
287 struct ldb_val value, subval;
288 char *wild_card_string;
295 switch(t->operation) {
298 tmp = parsetree_to_sql(module, mem_ctx, t->u.list.elements[0]);
299 if (tmp == NULL) return NULL;
301 for (i = 1; i < t->u.list.num_elements; i++) {
303 child = parsetree_to_sql(module, mem_ctx, t->u.list.elements[i]);
304 if (child == NULL) return NULL;
306 tmp = talloc_asprintf_append(tmp, " INTERSECT %s ", child);
307 if (tmp == NULL) return NULL;
310 ret = talloc_asprintf(mem_ctx, "SELECT * FROM ( %s )\n", tmp);
316 tmp = parsetree_to_sql(module, mem_ctx, t->u.list.elements[0]);
317 if (tmp == NULL) return NULL;
319 for (i = 1; i < t->u.list.num_elements; i++) {
321 child = parsetree_to_sql(module, mem_ctx, t->u.list.elements[i]);
322 if (child == NULL) return NULL;
324 tmp = talloc_asprintf_append(tmp, " UNION %s ", child);
325 if (tmp == NULL) return NULL;
328 return talloc_asprintf(mem_ctx, "SELECT * FROM ( %s ) ", tmp);
332 child = parsetree_to_sql(module, mem_ctx, t->u.isnot.child);
333 if (child == NULL) return NULL;
335 return talloc_asprintf(mem_ctx,
336 "SELECT eid FROM ldb_entry "
337 "WHERE eid NOT IN ( %s ) ", child);
339 case LDB_OP_EQUALITY:
341 * For simple searches, we want to retrieve the list of EIDs that
342 * match the criteria.
344 attr = ldb_attr_casefold(mem_ctx, t->u.equality.attr);
345 if (attr == NULL) return NULL;
346 h = ldb_attrib_handler(module->ldb, attr);
348 /* Get a canonicalised copy of the data */
349 h->canonicalise_fn(module->ldb, mem_ctx, &(t->u.equality.value), &value);
350 if (value.data == NULL) {
354 if (strcasecmp(t->u.equality.attr, "objectclass") == 0) {
356 * For object classes, we want to search for all objectclasses
357 * that are subclasses as well.
359 return lsqlite3_tprintf(mem_ctx,
360 "SELECT eid FROM ldb_attribute_values\n"
361 "WHERE norm_attr_name = 'OBJECTCLASS' "
362 "AND norm_attr_value IN\n"
363 " (SELECT class_name FROM ldb_object_classes\n"
364 " WHERE tree_key GLOB\n"
365 " (SELECT tree_key FROM ldb_object_classes\n"
366 " WHERE class_name = '%q'\n"
370 } else if (strcasecmp(t->u.equality.attr, "dn") == 0) {
371 /* DN query is a special ldb case */
372 char *cdn = ldb_dn_linearize_casefold(module->ldb,
373 ldb_dn_explode(module->ldb,
374 (const char *)value.data));
376 return lsqlite3_tprintf(mem_ctx,
377 "SELECT eid FROM ldb_entry "
378 "WHERE norm_dn = '%q'", cdn);
381 /* A normal query. */
382 return lsqlite3_tprintf(mem_ctx,
383 "SELECT eid FROM ldb_attribute_values "
384 "WHERE norm_attr_name = '%q' "
385 "AND norm_attr_value = '%q'",
391 case LDB_OP_SUBSTRING:
393 wild_card_string = talloc_strdup(mem_ctx,
394 (t->u.substring.start_with_wildcard)?"*":"");
395 if (wild_card_string == NULL) return NULL;
397 for (i = 0; t->u.substring.chunks[i]; i++) {
398 wild_card_string = talloc_asprintf_append(wild_card_string, "%s*",
399 t->u.substring.chunks[i]->data);
400 if (wild_card_string == NULL) return NULL;
403 if ( ! t->u.substring.end_with_wildcard ) {
404 /* remove last wildcard */
405 wild_card_string[strlen(wild_card_string) - 1] = '\0';
408 attr = ldb_attr_casefold(mem_ctx, t->u.substring.attr);
409 if (attr == NULL) return NULL;
410 h = ldb_attrib_handler(module->ldb, attr);
412 subval.data = (void *)wild_card_string;
413 subval.length = strlen(wild_card_string) + 1;
415 /* Get a canonicalised copy of the data */
416 h->canonicalise_fn(module->ldb, mem_ctx, &(subval), &value);
417 if (value.data == NULL) {
421 return lsqlite3_tprintf(mem_ctx,
422 "SELECT eid FROM ldb_attribute_values "
423 "WHERE norm_attr_name = '%q' "
424 "AND norm_attr_value GLOB '%q'",
429 attr = ldb_attr_casefold(mem_ctx, t->u.equality.attr);
430 if (attr == NULL) return NULL;
431 h = ldb_attrib_handler(module->ldb, attr);
433 /* Get a canonicalised copy of the data */
434 h->canonicalise_fn(module->ldb, mem_ctx, &(t->u.equality.value), &value);
435 if (value.data == NULL) {
439 return lsqlite3_tprintf(mem_ctx,
440 "SELECT eid FROM ldb_attribute_values "
441 "WHERE norm_attr_name = '%q' "
442 "AND ldap_compare(norm_attr_value, '>=', '%q', '%q') ",
448 attr = ldb_attr_casefold(mem_ctx, t->u.equality.attr);
449 if (attr == NULL) return NULL;
450 h = ldb_attrib_handler(module->ldb, attr);
452 /* Get a canonicalised copy of the data */
453 h->canonicalise_fn(module->ldb, mem_ctx, &(t->u.equality.value), &value);
454 if (value.data == NULL) {
458 return lsqlite3_tprintf(mem_ctx,
459 "SELECT eid FROM ldb_attribute_values "
460 "WHERE norm_attr_name = '%q' "
461 "AND ldap_compare(norm_attr_value, '<=', '%q', '%q') ",
467 if (strcasecmp(t->u.present.attr, "dn") == 0) {
468 return talloc_strdup(mem_ctx, "SELECT eid FROM ldb_entry");
471 attr = ldb_attr_casefold(mem_ctx, t->u.present.attr);
472 if (attr == NULL) return NULL;
474 return lsqlite3_tprintf(mem_ctx,
475 "SELECT eid FROM ldb_attribute_values "
476 "WHERE norm_attr_name = '%q' ",
480 attr = ldb_attr_casefold(mem_ctx, t->u.equality.attr);
481 if (attr == NULL) return NULL;
482 h = ldb_attrib_handler(module->ldb, attr);
484 /* Get a canonicalised copy of the data */
485 h->canonicalise_fn(module->ldb, mem_ctx, &(t->u.equality.value), &value);
486 if (value.data == NULL) {
490 return lsqlite3_tprintf(mem_ctx,
491 "SELECT eid FROM ldb_attribute_values "
492 "WHERE norm_attr_name = '%q' "
493 "AND ldap_compare(norm_attr_value, '~%', 'q', '%q') ",
498 case LDB_OP_EXTENDED:
499 #warning "work out how to handle bitops"
506 /* should never occur */
514 * This function is used for the common case of queries that return a single
517 * NOTE: If more than one value is returned by the query, all but the first
518 * one will be ignored.
521 query_int(const struct lsqlite3_private * lsqlite3,
529 sqlite3_stmt * pStmt;
532 /* Begin access to variable argument list */
533 va_start(args, pSql);
535 /* Format the query */
536 if ((p = sqlite3_vmprintf(pSql, args)) == NULL) {
541 * Prepare and execute the SQL statement. Loop allows retrying on
542 * certain errors, e.g. SQLITE_SCHEMA occurs if the schema changes,
543 * requiring retrying the operation.
545 for (bLoop = TRUE; bLoop; ) {
547 /* Compile the SQL statement into sqlite virtual machine */
548 if ((ret = sqlite3_prepare(lsqlite3->sqlite,
552 NULL)) == SQLITE_SCHEMA) {
553 if (stmtGetEID != NULL) {
554 sqlite3_finalize(stmtGetEID);
558 } else if (ret != SQLITE_OK) {
562 /* One row expected */
563 if ((ret = sqlite3_step(pStmt)) == SQLITE_SCHEMA) {
564 if (stmtGetEID != NULL) {
565 sqlite3_finalize(stmtGetEID);
568 (void) sqlite3_finalize(pStmt);
570 } else if (ret != SQLITE_ROW) {
571 (void) sqlite3_finalize(pStmt);
575 /* Get the value to be returned */
576 *pRet = sqlite3_column_int64(pStmt, 0);
578 /* Free the virtual machine */
579 if ((ret = sqlite3_finalize(pStmt)) == SQLITE_SCHEMA) {
580 if (stmtGetEID != NULL) {
581 sqlite3_finalize(stmtGetEID);
585 } else if (ret != SQLITE_OK) {
586 (void) sqlite3_finalize(pStmt);
591 * Normal condition is only one time through loop. Loop is
592 * rerun in error conditions, via "continue", above.
597 /* All done with variable argument list */
601 /* Free the memory we allocated for our query string */
608 * This is a bad hack to support ldap style comparisons whithin sqlite.
609 * val is the attribute in the row currently under test
610 * func is the desired test "<=" ">=" "~" ":"
611 * cmp is the value to compare against (eg: "test")
612 * attr is the attribute name the value of which we want to test
615 static void lsqlite3_compare(sqlite3_context *ctx, int argc,
616 sqlite3_value **argv)
618 struct ldb_context *ldb = (struct ldb_context *)sqlite3_user_data(ctx);
619 const char *val = (const char *)sqlite3_value_text(argv[0]);
620 const char *func = (const char *)sqlite3_value_text(argv[1]);
621 const char *cmp = (const char *)sqlite3_value_text(argv[2]);
622 const char *attr = (const char *)sqlite3_value_text(argv[3]);
623 const struct ldb_attrib_handler *h;
631 h = ldb_attrib_handler(ldb, attr);
632 valX.data = (void *)cmp;
633 valX.length = strlen(cmp);
634 valY.data = (void *)val;
635 valY.length = strlen(val);
636 ret = h->comparison_fn(ldb, ldb, &valY, &valX);
638 sqlite3_result_int(ctx, 1);
640 sqlite3_result_int(ctx, 0);
645 h = ldb_attrib_handler(ldb, attr);
646 valX.data = (void *)cmp;
647 valX.length = strlen(cmp);
648 valY.data = (void *)val;
649 valY.length = strlen(val);
650 ret = h->comparison_fn(ldb, ldb, &valY, &valX);
652 sqlite3_result_int(ctx, 1);
654 sqlite3_result_int(ctx, 0);
660 sqlite3_result_int(ctx, 0);
666 sqlite3_result_int(ctx, 0);
673 sqlite3_result_error(ctx, "Value must start with a special operation char (<>~:)!", -1);
678 /* rename a record */
679 static int lsqlite3_safe_rollback(sqlite3 *sqlite)
685 ret = sqlite3_exec(sqlite, "ROLLBACK;", NULL, NULL, &errmsg);
686 if (ret != SQLITE_OK) {
688 printf("lsqlite3_safe_rollback: Error: %s\n", errmsg);
697 /* return an eid as result */
698 static int lsqlite3_eid_callback(void *result, int col_num, char **cols, char **names)
700 long long *eid = (long long *)result;
702 if (col_num != 1) return SQLITE_ABORT;
703 if (strcasecmp(names[0], "eid") != 0) return SQLITE_ABORT;
705 *eid = atoll(cols[0]);
710 * add a single set of ldap message values to a ldb_message
712 static int lsqlite3_search_callback(void *result, int col_num, char **cols, char **names)
714 struct ldb_handle *handle = talloc_get_type(result, struct ldb_handle);
715 struct lsql_context *ac = talloc_get_type(handle->private_data, struct lsql_context);
716 struct ldb_message *msg;
720 /* eid, dn, attr_name, attr_value */
724 eid = atoll(cols[0]);
726 if (eid != ac->current_eid) { /* here begin a new entry */
728 /* call the async callback for the last entry
729 * except the first time */
730 if (ac->current_eid != 0) {
731 ac->ares->message = ldb_msg_canonicalize(ac->module->ldb, ac->ares->message);
732 if (ac->ares->message == NULL)
735 handle->status = ac->callback(ac->module->ldb, ac->context, ac->ares);
736 if (handle->status != LDB_SUCCESS)
741 ac->ares = talloc_zero(ac, struct ldb_reply);
745 ac->ares->message = ldb_msg_new(ac->ares);
746 if (!ac->ares->message)
749 ac->ares->type = LDB_REPLY_ENTRY;
750 ac->current_eid = eid;
753 msg = ac->ares->message;
755 if (msg->dn == NULL) {
756 msg->dn = ldb_dn_explode(msg, cols[1]);
763 for (i = 0; ac->attrs[i]; i++) {
764 if (strcasecmp(cols[2], ac->attrs[i]) == 0) {
769 if (!found) return SQLITE_OK;
772 if (ldb_msg_add_string(msg, cols[2], cols[3]) != 0) {
782 * lsqlite3_get_eid_ndn()
784 * These functions are used for the very common case of retrieving an EID value
785 * given a (normalized) DN.
788 static long long lsqlite3_get_eid_ndn(sqlite3 *sqlite, void *mem_ctx, const char *norm_dn)
796 query = lsqlite3_tprintf(mem_ctx, "SELECT eid "
798 "WHERE norm_dn = '%q';", norm_dn);
799 if (query == NULL) return -1;
801 ret = sqlite3_exec(sqlite, query, lsqlite3_eid_callback, &eid, &errmsg);
802 if (ret != SQLITE_OK) {
804 printf("lsqlite3_get_eid: Fatal Error: %s\n", errmsg);
813 static long long lsqlite3_get_eid(struct ldb_module *module, const struct ldb_dn *dn)
815 TALLOC_CTX *local_ctx;
816 struct lsqlite3_private *lsqlite3 = module->private_data;
820 /* ignore ltdb specials */
821 if (ldb_dn_is_special(dn)) {
825 /* create a local ctx */
826 local_ctx = talloc_named(lsqlite3, 0, "lsqlite3_get_eid local context");
827 if (local_ctx == NULL) {
831 cdn = ldb_dn_linearize(local_ctx, ldb_dn_casefold(module->ldb, dn));
834 eid = lsqlite3_get_eid_ndn(lsqlite3->sqlite, local_ctx, cdn);
837 talloc_free(local_ctx);
842 * Interface functions referenced by lsqlite3_ops
845 static int lsql_search_sync_callback(struct ldb_context *ldb, void *context, struct ldb_reply *ares)
847 struct ldb_result *res = NULL;
850 ldb_set_errstring(ldb, "NULL Context in callback");
854 res = *((struct ldb_result **)context);
860 if (ares->type == LDB_REPLY_ENTRY) {
861 res->msgs = talloc_realloc(res, res->msgs, struct ldb_message *, res->count + 2);
866 res->msgs[res->count + 1] = NULL;
868 res->msgs[res->count] = talloc_steal(res->msgs, ares->message);
869 if (! res->msgs[res->count]) {
875 ldb_debug(ldb, LDB_DEBUG_ERROR, "unrecognized async reply in ltdb_search_sync_callback!\n");
883 if (ares) talloc_free(ares);
884 if (res) talloc_free(res);
885 if (context) *((struct ldb_result **)context) = NULL;
886 return LDB_ERR_OPERATIONS_ERROR;
889 /* search for matching records, by tree */
890 int lsql_search_async(struct ldb_module *module, const struct ldb_dn *base,
891 enum ldb_scope scope, struct ldb_parse_tree *tree,
892 const char * const *attrs,
894 int (*callback)(struct ldb_context *, void *, struct ldb_reply *),
895 struct ldb_handle **handle)
897 struct lsqlite3_private *lsqlite3 = talloc_get_type(module->private_data, struct lsqlite3_private);
898 struct lsql_context *lsql_ac;
905 *handle = init_handle(lsqlite3, module, context, callback);
906 if (*handle == NULL) {
907 talloc_free(*handle);
908 return LDB_ERR_OPERATIONS_ERROR;
911 lsql_ac = talloc_get_type((*handle)->private_data, struct lsql_context);
914 norm_basedn = ldb_dn_linearize(lsql_ac, ldb_dn_casefold(module->ldb, base));
915 if (norm_basedn == NULL) {
916 ret = LDB_ERR_INVALID_DN_SYNTAX;
919 } else norm_basedn = talloc_strdup(lsql_ac, "");
921 if (*norm_basedn == '\0' &&
922 (scope == LDB_SCOPE_BASE || scope == LDB_SCOPE_ONELEVEL)) {
923 ret = LDB_ERR_UNWILLING_TO_PERFORM;
927 /* Convert filter into a series of SQL conditions (constraints) */
928 sqlfilter = parsetree_to_sql(module, lsql_ac, tree);
931 case LDB_SCOPE_DEFAULT:
932 case LDB_SCOPE_SUBTREE:
933 if (*norm_basedn != '\0') {
934 query = lsqlite3_tprintf(lsql_ac,
935 "SELECT entry.eid,\n"
939 " FROM ldb_entry AS entry\n"
941 " LEFT OUTER JOIN ldb_attribute_values AS av\n"
942 " ON av.eid = entry.eid\n"
944 " WHERE entry.eid IN\n"
945 " (SELECT DISTINCT ldb_entry.eid\n"
947 " WHERE (ldb_entry.norm_dn GLOB('*,%q')\n"
948 " OR ldb_entry.norm_dn = '%q')\n"
949 " AND ldb_entry.eid IN\n"
953 " ORDER BY entry.eid ASC;",
958 query = lsqlite3_tprintf(lsql_ac,
959 "SELECT entry.eid,\n"
963 " FROM ldb_entry AS entry\n"
965 " LEFT OUTER JOIN ldb_attribute_values AS av\n"
966 " ON av.eid = entry.eid\n"
968 " WHERE entry.eid IN\n"
969 " (SELECT DISTINCT ldb_entry.eid\n"
971 " WHERE ldb_entry.eid IN\n"
975 " ORDER BY entry.eid ASC;",
982 query = lsqlite3_tprintf(lsql_ac,
983 "SELECT entry.eid,\n"
987 " FROM ldb_entry AS entry\n"
989 " LEFT OUTER JOIN ldb_attribute_values AS av\n"
990 " ON av.eid = entry.eid\n"
992 " WHERE entry.eid IN\n"
993 " (SELECT DISTINCT ldb_entry.eid\n"
995 " WHERE ldb_entry.norm_dn = '%q'\n"
996 " AND ldb_entry.eid IN\n"
1000 " ORDER BY entry.eid ASC;",
1005 case LDB_SCOPE_ONELEVEL:
1006 query = lsqlite3_tprintf(lsql_ac,
1007 "SELECT entry.eid,\n"
1011 " FROM ldb_entry AS entry\n"
1013 " LEFT OUTER JOIN ldb_attribute_values AS av\n"
1014 " ON av.eid = entry.eid\n"
1016 " WHERE entry.eid IN\n"
1017 " (SELECT DISTINCT ldb_entry.eid\n"
1019 " WHERE norm_dn GLOB('*,%q')\n"
1020 " AND NOT norm_dn GLOB('*,*,%q')\n"
1021 " AND ldb_entry.eid IN\n(%s)\n"
1024 " ORDER BY entry.eid ASC;",
1031 if (query == NULL) {
1036 printf ("%s\n", query);
1039 lsql_ac->current_eid = 0;
1040 lsql_ac->attrs = attrs;
1041 lsql_ac->ares = NULL;
1043 (*handle)->state = LDB_ASYNC_PENDING;
1045 ret = sqlite3_exec(lsqlite3->sqlite, query, lsqlite3_search_callback, *handle, &errmsg);
1046 if (ret != SQLITE_OK) {
1048 ldb_set_errstring(module->ldb, errmsg);
1054 /* complete the last message if any */
1055 if (lsql_ac->ares) {
1056 lsql_ac->ares->message = ldb_msg_canonicalize(module->ldb, lsql_ac->ares->message);
1057 if (lsql_ac->ares->message == NULL)
1060 (*handle)->status = lsql_ac->callback(module->ldb, lsql_ac->context, lsql_ac->ares);
1061 if ((*handle)->status != LDB_SUCCESS)
1065 (*handle)->state = LDB_ASYNC_DONE;
1070 talloc_free(*handle);
1071 return LDB_ERR_OPERATIONS_ERROR;
1074 static int lsql_search_bytree(struct ldb_module * module, const struct ldb_dn* base,
1075 enum ldb_scope scope, struct ldb_parse_tree * tree,
1076 const char * const * attrs, struct ldb_result ** res)
1078 struct ldb_handle *handle;
1081 *res = talloc_zero(module, struct ldb_result);
1083 return LDB_ERR_OPERATIONS_ERROR;
1086 ret = lsql_search_async(module, base, scope, tree, attrs,
1087 res, &lsql_search_sync_callback,
1090 if (ret == LDB_SUCCESS) {
1091 ret = ldb_wait(handle, LDB_WAIT_ALL);
1092 talloc_free(handle);
1095 if (ret != LDB_SUCCESS) {
1103 static int lsql_add_async(struct ldb_module *module, struct ldb_message *msg,
1105 int (*callback)(struct ldb_context *, void *, struct ldb_reply *),
1106 struct ldb_handle **handle)
1108 struct lsqlite3_private *lsqlite3 = talloc_get_type(module->private_data, struct lsqlite3_private);
1109 struct lsql_context *lsql_ac;
1115 int ret = LDB_ERR_OPERATIONS_ERROR;
1117 *handle = init_handle(lsqlite3, module, context, callback);
1118 if (*handle == NULL) {
1121 lsql_ac = talloc_get_type((*handle)->private_data, struct lsql_context);
1122 (*handle)->state = LDB_ASYNC_DONE;
1123 (*handle)->status = LDB_SUCCESS;
1125 /* See if this is an ltdb special */
1126 if (ldb_dn_is_special(msg->dn)) {
1129 c = ldb_dn_explode(lsql_ac, "@SUBCLASSES");
1130 if (ldb_dn_compare(module->ldb, msg->dn, c) == 0) {
1131 #warning "insert subclasses into object class tree"
1132 ret = LDB_ERR_UNWILLING_TO_PERFORM;
1137 c = ldb_dn_explode(local_ctx, "@INDEXLIST");
1138 if (ldb_dn_compare(module->ldb, msg->dn, c) == 0) {
1139 #warning "should we handle indexes somehow ?"
1143 /* Others are implicitly ignored */
1147 /* create linearized and normalized dns */
1148 dn = ldb_dn_linearize(lsql_ac, msg->dn);
1149 ndn = ldb_dn_linearize(lsql_ac, ldb_dn_casefold(module->ldb, msg->dn));
1150 if (dn == NULL || ndn == NULL) {
1151 ret = LDB_ERR_OTHER;
1155 query = lsqlite3_tprintf(lsql_ac,
1157 "INSERT OR ABORT INTO ldb_entry "
1158 "('dn', 'norm_dn') "
1159 "VALUES ('%q', '%q');",
1161 if (query == NULL) {
1162 ret = LDB_ERR_OTHER;
1166 ret = sqlite3_exec(lsqlite3->sqlite, query, NULL, NULL, &errmsg);
1167 if (ret != SQLITE_OK) {
1169 ldb_set_errstring(module->ldb, errmsg);
1172 ret = LDB_ERR_OTHER;
1176 eid = lsqlite3_get_eid_ndn(lsqlite3->sqlite, lsql_ac, ndn);
1178 ret = LDB_ERR_OTHER;
1182 for (i = 0; i < msg->num_elements; i++) {
1183 const struct ldb_message_element *el = &msg->elements[i];
1184 const struct ldb_attrib_handler *h;
1188 /* Get a case-folded copy of the attribute name */
1189 attr = ldb_attr_casefold(lsql_ac, el->name);
1191 ret = LDB_ERR_OTHER;
1195 h = ldb_attrib_handler(module->ldb, el->name);
1197 /* For each value of the specified attribute name... */
1198 for (j = 0; j < el->num_values; j++) {
1199 struct ldb_val value;
1202 /* Get a canonicalised copy of the data */
1203 h->canonicalise_fn(module->ldb, lsql_ac, &(el->values[j]), &value);
1204 if (value.data == NULL) {
1205 ret = LDB_ERR_OTHER;
1209 insert = lsqlite3_tprintf(lsql_ac,
1210 "INSERT OR ROLLBACK INTO ldb_attribute_values "
1211 "('eid', 'attr_name', 'norm_attr_name',"
1212 " 'attr_value', 'norm_attr_value') "
1213 "VALUES ('%lld', '%q', '%q', '%q', '%q');",
1214 eid, el->name, attr,
1215 el->values[j].data, value.data);
1216 if (insert == NULL) {
1217 ret = LDB_ERR_OTHER;
1221 ret = sqlite3_exec(lsqlite3->sqlite, insert, NULL, NULL, &errmsg);
1222 if (ret != SQLITE_OK) {
1224 ldb_set_errstring(module->ldb, errmsg);
1227 ret = LDB_ERR_OTHER;
1233 if (lsql_ac->callback)
1234 (*handle)->status = lsql_ac->callback(module->ldb, lsql_ac->context, NULL);
1239 talloc_free(*handle);
1243 static int lsql_add(struct ldb_module *module, const struct ldb_message *msg)
1245 struct ldb_handle *handle;
1248 ret = lsql_add_async(module, msg, NULL, NULL, &handle);
1250 if (ret != LDB_SUCCESS)
1253 ret = ldb_wait(handle, LDB_WAIT_ALL);
1255 talloc_free(handle);
1260 /* modify a record */
1261 static int lsql_modify_async(struct ldb_module *module, const struct ldb_message *msg,
1263 int (*callback)(struct ldb_context *, void *, struct ldb_reply *),
1264 struct ldb_handle **handle)
1266 struct lsqlite3_private *lsqlite3 = talloc_get_type(module->private_data, struct lsqlite3_private);
1267 struct lsql_context *lsql_ac;
1271 int ret = LDB_ERR_OPERATIONS_ERROR;
1273 *handle = init_handle(lsqlite3, module, context, callback);
1274 if (*handle == NULL) {
1277 lsql_ac = talloc_get_type((*handle)->private_data, struct lsql_context);
1278 (*handle)->state = LDB_ASYNC_DONE;
1279 (*handle)->status = LDB_SUCCESS;
1281 /* See if this is an ltdb special */
1282 if (ldb_dn_is_special(msg->dn)) {
1285 c = ldb_dn_explode(lsql_ac, "@SUBCLASSES");
1286 if (ldb_dn_compare(module->ldb, msg->dn, c) == 0) {
1287 #warning "modify subclasses into object class tree"
1288 ret = LDB_ERR_UNWILLING_TO_PERFORM;
1292 /* Others are implicitly ignored */
1296 eid = lsqlite3_get_eid(module, msg->dn);
1298 ret = LDB_ERR_OTHER;
1302 for (i = 0; i < msg->num_elements; i++) {
1303 const struct ldb_message_element *el = &msg->elements[i];
1304 const struct ldb_attrib_handler *h;
1305 int flags = el->flags & LDB_FLAG_MOD_MASK;
1310 /* Get a case-folded copy of the attribute name */
1311 attr = ldb_attr_casefold(lsql_ac, el->name);
1313 ret = LDB_ERR_OTHER;
1317 h = ldb_attrib_handler(module->ldb, el->name);
1321 case LDB_FLAG_MOD_REPLACE:
1323 /* remove all attributes before adding the replacements */
1324 mod = lsqlite3_tprintf(lsql_ac,
1325 "DELETE FROM ldb_attribute_values "
1326 "WHERE eid = '%lld' "
1327 "AND norm_attr_name = '%q';",
1330 ret = LDB_ERR_OTHER;
1334 ret = sqlite3_exec(lsqlite3->sqlite, mod, NULL, NULL, &errmsg);
1335 if (ret != SQLITE_OK) {
1337 ldb_set_errstring(module->ldb, errmsg);
1340 ret = LDB_ERR_OTHER;
1344 /* MISSING break is INTENTIONAL */
1346 case LDB_FLAG_MOD_ADD:
1347 #warning "We should throw an error if no value is provided!"
1348 /* For each value of the specified attribute name... */
1349 for (j = 0; j < el->num_values; j++) {
1350 struct ldb_val value;
1352 /* Get a canonicalised copy of the data */
1353 h->canonicalise_fn(module->ldb, lsql_ac, &(el->values[j]), &value);
1354 if (value.data == NULL) {
1355 ret = LDB_ERR_OTHER;
1359 mod = lsqlite3_tprintf(lsql_ac,
1360 "INSERT OR ROLLBACK INTO ldb_attribute_values "
1361 "('eid', 'attr_name', 'norm_attr_name',"
1362 " 'attr_value', 'norm_attr_value') "
1363 "VALUES ('%lld', '%q', '%q', '%q', '%q');",
1364 eid, el->name, attr,
1365 el->values[j].data, value.data);
1368 ret = LDB_ERR_OTHER;
1372 ret = sqlite3_exec(lsqlite3->sqlite, mod, NULL, NULL, &errmsg);
1373 if (ret != SQLITE_OK) {
1375 ldb_set_errstring(module->ldb, errmsg);
1378 ret = LDB_ERR_OTHER;
1385 case LDB_FLAG_MOD_DELETE:
1386 #warning "We should throw an error if the attribute we are trying to delete does not exist!"
1387 if (el->num_values == 0) {
1388 mod = lsqlite3_tprintf(lsql_ac,
1389 "DELETE FROM ldb_attribute_values "
1390 "WHERE eid = '%lld' "
1391 "AND norm_attr_name = '%q';",
1394 ret = LDB_ERR_OTHER;
1398 ret = sqlite3_exec(lsqlite3->sqlite, mod, NULL, NULL, &errmsg);
1399 if (ret != SQLITE_OK) {
1401 ldb_set_errstring(module->ldb, errmsg);
1404 ret = LDB_ERR_OTHER;
1409 /* For each value of the specified attribute name... */
1410 for (j = 0; j < el->num_values; j++) {
1411 struct ldb_val value;
1413 /* Get a canonicalised copy of the data */
1414 h->canonicalise_fn(module->ldb, lsql_ac, &(el->values[j]), &value);
1415 if (value.data == NULL) {
1416 ret = LDB_ERR_OTHER;
1420 mod = lsqlite3_tprintf(lsql_ac,
1421 "DELETE FROM ldb_attribute_values "
1422 "WHERE eid = '%lld' "
1423 "AND norm_attr_name = '%q' "
1424 "AND norm_attr_value = '%q';",
1425 eid, attr, value.data);
1428 ret = LDB_ERR_OTHER;
1432 ret = sqlite3_exec(lsqlite3->sqlite, mod, NULL, NULL, &errmsg);
1433 if (ret != SQLITE_OK) {
1435 ldb_set_errstring(module->ldb, errmsg);
1438 ret = LDB_ERR_OTHER;
1447 if (lsql_ac->callback)
1448 (*handle)->status = lsql_ac->callback(module->ldb, lsql_ac->context, NULL);
1453 talloc_free(*handle);
1457 static int lsql_modify(struct ldb_module *module, const struct ldb_message *msg)
1459 struct ldb_handle *handle;
1462 ret = lsql_modify_async(module, msg, NULL, NULL, &handle);
1464 if (ret != LDB_SUCCESS)
1467 ret = ldb_wait(handle, LDB_WAIT_ALL);
1469 talloc_free(handle);
1473 /* delete a record */
1474 static int lsql_delete_async(struct ldb_module *module, const struct ldb_dn *dn,
1476 int (*callback)(struct ldb_context *, void *, struct ldb_reply *),
1477 struct ldb_handle **handle)
1479 struct lsqlite3_private *lsqlite3 = talloc_get_type(module->private_data, struct lsqlite3_private);
1480 struct lsql_context *lsql_ac;
1484 int ret = LDB_ERR_OPERATIONS_ERROR;
1487 *handle = init_handle(lsqlite3, module, context, callback);
1488 if (*handle == NULL) {
1491 lsql_ac = talloc_get_type((*handle)->private_data, struct lsql_context);
1492 (*handle)->state = LDB_ASYNC_DONE;
1493 (*handle)->status = LDB_SUCCESS;
1495 eid = lsqlite3_get_eid(module, dn);
1500 query = lsqlite3_tprintf(lsql_ac,
1502 "DELETE FROM ldb_entry WHERE eid = %lld; "
1503 /* Delete attributes */
1504 "DELETE FROM ldb_attribute_values WHERE eid = %lld; ",
1506 if (query == NULL) {
1507 ret = LDB_ERR_OTHER;
1511 ret = sqlite3_exec(lsqlite3->sqlite, query, NULL, NULL, &errmsg);
1512 if (ret != SQLITE_OK) {
1514 ldb_set_errstring(module->ldb, errmsg);
1517 ret = LDB_ERR_OPERATIONS_ERROR;
1521 if (lsql_ac->callback)
1522 (*handle)->status = lsql_ac->callback(module->ldb, lsql_ac->context, NULL);
1527 talloc_free(*handle);
1531 static int lsql_delete(struct ldb_module *module, const struct ldb_dn *dn)
1533 struct ldb_handle *handle;
1536 /* ignore ltdb specials */
1537 if (ldb_dn_is_special(dn)) {
1541 ret = lsql_delete_async(module, dn, NULL, NULL, &handle);
1543 if (ret != LDB_SUCCESS)
1546 ret = ldb_wait(handle, LDB_WAIT_ALL);
1548 talloc_free(handle);
1552 /* rename a record */
1553 static int lsql_rename_async(struct ldb_module *module, const struct ldb_dn *olddn, const struct ldb_dn *newdn,
1555 int (*callback)(struct ldb_context *, void *, struct ldb_reply *),
1556 struct ldb_handle **handle)
1558 struct lsqlite3_private *lsqlite3 = talloc_get_type(module->private_data, struct lsqlite3_private);
1559 struct lsql_context *lsql_ac;
1560 char *new_dn, *new_cdn, *old_cdn;
1563 int ret = LDB_ERR_OPERATIONS_ERROR;
1565 *handle = init_handle(lsqlite3, module, context, callback);
1566 if (*handle == NULL) {
1569 lsql_ac = talloc_get_type((*handle)->private_data, struct lsql_context);
1570 (*handle)->state = LDB_ASYNC_DONE;
1571 (*handle)->status = LDB_SUCCESS;
1573 /* create linearized and normalized dns */
1574 old_cdn = ldb_dn_linearize(lsql_ac, ldb_dn_casefold(module->ldb, olddn));
1575 new_cdn = ldb_dn_linearize(lsql_ac, ldb_dn_casefold(module->ldb, newdn));
1576 new_dn = ldb_dn_linearize(lsql_ac, newdn);
1577 if (old_cdn == NULL || new_cdn == NULL || new_dn == NULL) {
1581 /* build the SQL query */
1582 query = lsqlite3_tprintf(lsql_ac,
1583 "UPDATE ldb_entry SET dn = '%q', norm_dn = '%q' "
1584 "WHERE norm_dn = '%q';",
1585 new_dn, new_cdn, old_cdn);
1586 if (query == NULL) {
1591 ret = sqlite3_exec(lsqlite3->sqlite, query, NULL, NULL, &errmsg);
1592 if (ret != SQLITE_OK) {
1594 ldb_set_errstring(module->ldb, errmsg);
1597 ret = LDB_ERR_OPERATIONS_ERROR;
1601 if (lsql_ac->callback)
1602 (*handle)->status = lsql_ac->callback(module->ldb, lsql_ac->context, NULL);
1607 talloc_free(*handle);
1611 static int lsql_rename(struct ldb_module *module, const struct ldb_dn *olddn, const struct ldb_dn *newdn)
1613 struct ldb_handle *handle;
1616 /* ignore ltdb specials */
1617 if (ldb_dn_is_special(olddn) || ldb_dn_is_special(newdn)) {
1622 ret = lsql_rename_async(module, olddn, newdn, NULL, NULL, &handle);
1624 if (ret != LDB_SUCCESS)
1627 ret = ldb_wait(handle, LDB_WAIT_ALL);
1629 talloc_free(handle);
1633 static int lsql_start_trans(struct ldb_module * module)
1637 struct lsqlite3_private * lsqlite3 = module->private_data;
1639 if (lsqlite3->trans_count == 0) {
1640 ret = sqlite3_exec(lsqlite3->sqlite, "BEGIN IMMEDIATE;", NULL, NULL, &errmsg);
1641 if (ret != SQLITE_OK) {
1643 printf("lsqlite3_start_trans: error: %s\n", errmsg);
1650 lsqlite3->trans_count++;
1655 static int lsql_end_trans(struct ldb_module *module)
1659 struct lsqlite3_private *lsqlite3 = module->private_data;
1661 if (lsqlite3->trans_count > 0) {
1662 lsqlite3->trans_count--;
1665 if (lsqlite3->trans_count == 0) {
1666 ret = sqlite3_exec(lsqlite3->sqlite, "COMMIT;", NULL, NULL, &errmsg);
1667 if (ret != SQLITE_OK) {
1669 printf("lsqlite3_end_trans: error: %s\n", errmsg);
1679 static int lsql_del_trans(struct ldb_module *module)
1681 struct lsqlite3_private *lsqlite3 = module->private_data;
1683 if (lsqlite3->trans_count > 0) {
1684 lsqlite3->trans_count--;
1687 if (lsqlite3->trans_count == 0) {
1688 return lsqlite3_safe_rollback(lsqlite3->sqlite);
1698 static int initialize(struct lsqlite3_private *lsqlite3,
1699 struct ldb_context *ldb, const char *url, int flags)
1701 TALLOC_CTX *local_ctx;
1708 /* create a local ctx */
1709 local_ctx = talloc_named(lsqlite3, 0, "lsqlite3_rename local context");
1710 if (local_ctx == NULL) {
1714 schema = lsqlite3_tprintf(local_ctx,
1717 "CREATE TABLE ldb_info AS "
1718 " SELECT 'LDB' AS database_type,"
1719 " '1.0' AS version;"
1722 * The entry table holds the information about an entry.
1723 * This table is used to obtain the EID of the entry and to
1724 * support scope=one and scope=base. The parent and child
1725 * table is included in the entry table since all the other
1726 * attributes are dependent on EID.
1728 "CREATE TABLE ldb_entry "
1730 " eid INTEGER PRIMARY KEY AUTOINCREMENT,"
1731 " dn TEXT UNIQUE NOT NULL,"
1732 " norm_dn TEXT UNIQUE NOT NULL"
1736 "CREATE TABLE ldb_object_classes"
1738 " class_name TEXT PRIMARY KEY,"
1739 " parent_class_name TEXT,"
1740 " tree_key TEXT UNIQUE,"
1741 " max_child_num INTEGER DEFAULT 0"
1745 * We keep a full listing of attribute/value pairs here
1747 "CREATE TABLE ldb_attribute_values"
1749 " eid INTEGER REFERENCES ldb_entry,"
1751 " norm_attr_name TEXT,"
1753 " norm_attr_value TEXT "
1760 "CREATE INDEX ldb_attribute_values_eid_idx "
1761 " ON ldb_attribute_values (eid);"
1763 "CREATE INDEX ldb_attribute_values_name_value_idx "
1764 " ON ldb_attribute_values (attr_name, norm_attr_value);"
1772 "CREATE TRIGGER ldb_object_classes_insert_tr"
1774 " ON ldb_object_classes"
1777 " UPDATE ldb_object_classes"
1778 " SET tree_key = COALESCE(tree_key, "
1780 " SELECT tree_key || "
1781 " (SELECT base160(max_child_num + 1)"
1782 " FROM ldb_object_classes"
1783 " WHERE class_name = "
1784 " new.parent_class_name)"
1785 " FROM ldb_object_classes "
1786 " WHERE class_name = new.parent_class_name "
1788 " UPDATE ldb_object_classes "
1789 " SET max_child_num = max_child_num + 1"
1790 " WHERE class_name = new.parent_class_name;"
1794 * Table initialization
1797 "INSERT INTO ldb_object_classes "
1798 " (class_name, tree_key) "
1800 " ('TOP', '0001');");
1802 /* Skip protocol indicator of url */
1803 if (strncmp(url, "sqlite://", 9) != 0) {
1804 return SQLITE_MISUSE;
1807 /* Update pointer to just after the protocol indicator */
1810 /* Try to open the (possibly empty/non-existent) database */
1811 if ((ret = sqlite3_open(url, &lsqlite3->sqlite)) != SQLITE_OK) {
1815 /* In case this is a new database, enable auto_vacuum */
1816 ret = sqlite3_exec(lsqlite3->sqlite, "PRAGMA auto_vacuum = 1;", NULL, NULL, &errmsg);
1817 if (ret != SQLITE_OK) {
1819 printf("lsqlite3 initializaion error: %s\n", errmsg);
1825 if (flags & LDB_FLG_NOSYNC) {
1827 ret = sqlite3_exec(lsqlite3->sqlite, "PRAGMA synchronous = OFF;", NULL, NULL, &errmsg);
1828 if (ret != SQLITE_OK) {
1830 printf("lsqlite3 initializaion error: %s\n", errmsg);
1839 /* Establish a busy timeout of 30 seconds */
1840 if ((ret = sqlite3_busy_timeout(lsqlite3->sqlite,
1841 30000)) != SQLITE_OK) {
1845 /* Create a function, callable from sql, to increment a tree_key */
1847 sqlite3_create_function(lsqlite3->sqlite,/* handle */
1848 "base160_next", /* function name */
1849 1, /* number of args */
1850 SQLITE_ANY, /* preferred text type */
1851 NULL, /* user data */
1852 base160next_sql, /* called func */
1853 NULL, /* step func */
1854 NULL /* final func */
1859 /* Create a function, callable from sql, to convert int to base160 */
1861 sqlite3_create_function(lsqlite3->sqlite,/* handle */
1862 "base160", /* function name */
1863 1, /* number of args */
1864 SQLITE_ANY, /* preferred text type */
1865 NULL, /* user data */
1866 base160_sql, /* called func */
1867 NULL, /* step func */
1868 NULL /* final func */
1873 /* Create a function, callable from sql, to perform various comparisons */
1875 sqlite3_create_function(lsqlite3->sqlite, /* handle */
1876 "ldap_compare", /* function name */
1877 4, /* number of args */
1878 SQLITE_ANY, /* preferred text type */
1879 ldb , /* user data */
1880 lsqlite3_compare, /* called func */
1881 NULL, /* step func */
1882 NULL /* final func */
1887 /* Begin a transaction */
1888 ret = sqlite3_exec(lsqlite3->sqlite, "BEGIN EXCLUSIVE;", NULL, NULL, &errmsg);
1889 if (ret != SQLITE_OK) {
1891 printf("lsqlite3: initialization error: %s\n", errmsg);
1898 /* Determine if this is a new database. No tables means it is. */
1899 if (query_int(lsqlite3,
1902 " FROM sqlite_master\n"
1903 " WHERE type = 'table';") != 0) {
1907 if (queryInt == 0) {
1909 * Create the database schema
1911 ret = sqlite3_exec(lsqlite3->sqlite, schema, NULL, NULL, &errmsg);
1912 if (ret != SQLITE_OK) {
1914 printf("lsqlite3 initializaion error: %s\n", errmsg);
1921 * Ensure that the database we opened is one of ours
1923 if (query_int(lsqlite3,
1926 " (SELECT COUNT(*) = 2"
1927 " FROM sqlite_master "
1928 " WHERE type = 'table' "
1932 " 'ldb_object_classes' "
1938 " WHERE database_type = 'LDB' "
1939 " AND version = '1.0'"
1943 /* It's not one that we created. See ya! */
1948 /* Commit the transaction */
1949 ret = sqlite3_exec(lsqlite3->sqlite, "COMMIT;", NULL, NULL, &errmsg);
1950 if (ret != SQLITE_OK) {
1952 printf("lsqlite3: iniialization error: %s\n", errmsg);
1961 if (rollback) lsqlite3_safe_rollback(lsqlite3->sqlite);
1962 sqlite3_close(lsqlite3->sqlite);
1966 static int destructor(struct lsqlite3_private *lsqlite3)
1968 if (lsqlite3->sqlite) {
1969 sqlite3_close(lsqlite3->sqlite);
1974 static int lsql_wait(struct ldb_handle *handle, enum ldb_wait_type type)
1976 return handle->status;
1979 static int lsql_request(struct ldb_module *module, struct ldb_request *req)
1981 /* check for oustanding critical controls and return an error if found */
1983 if (req->controls != NULL) {
1984 ldb_debug(module->ldb, LDB_DEBUG_WARNING, "Controls should not reach the ldb_sqlite3 backend!\n");
1987 if (check_critical_controls(req->controls)) {
1988 return LDB_ERR_UNSUPPORTED_CRITICAL_EXTENSION;
1991 switch (req->operation) {
1994 return lsql_search_bytree(module,
1995 req->op.search.base,
1996 req->op.search.scope,
1997 req->op.search.tree,
1998 req->op.search.attrs,
1999 &req->op.search.res);
2002 return lsql_add(module, req->op.add.message);
2005 return lsql_modify(module, req->op.mod.message);
2008 return lsql_delete(module, req->op.del.dn);
2011 return lsql_rename(module,
2012 req->op.rename.olddn,
2013 req->op.rename.newdn);
2016 return lsql_search_async(module,
2017 req->op.search.base,
2018 req->op.search.scope,
2019 req->op.search.tree,
2020 req->op.search.attrs,
2026 return lsql_add_async(module,
2027 req->op.add.message,
2033 return lsql_modify_async(module,
2034 req->op.mod.message,
2040 return lsql_delete_async(module,
2047 return lsql_rename_async(module,
2048 req->op.rename.olddn,
2049 req->op.rename.newdn,
2055 return LDB_ERR_OPERATIONS_ERROR;
2061 * Table of operations for the sqlite3 backend
2063 static const struct ldb_module_ops lsqlite3_ops = {
2065 .request = lsql_request,
2066 .start_transaction = lsql_start_trans,
2067 .end_transaction = lsql_end_trans,
2068 .del_transaction = lsql_del_trans,
2073 * connect to the database
2075 static int lsqlite3_connect(struct ldb_context *ldb,
2078 const char *options[],
2079 struct ldb_module **module)
2083 struct lsqlite3_private * lsqlite3 = NULL;
2085 lsqlite3 = talloc(ldb, struct lsqlite3_private);
2090 lsqlite3->sqlite = NULL;
2091 lsqlite3->options = NULL;
2092 lsqlite3->trans_count = 0;
2094 ret = initialize(lsqlite3, ldb, url, flags);
2095 if (ret != SQLITE_OK) {
2099 talloc_set_destructor(lsqlite3, destructor);
2103 *module = talloc(ldb, struct ldb_module);
2108 (*module)->ldb = ldb;
2109 (*module)->prev = (*module)->next = NULL;
2110 (*module)->private_data = lsqlite3;
2111 (*module)->ops = &lsqlite3_ops;
2115 * take a copy of the options array, so we don't have to rely
2116 * on the caller keeping it around (it might be dynamic)
2118 for (i=0;options[i];i++) ;
2120 lsqlite3->options = talloc_array(lsqlite3, char *, i+1);
2121 if (!lsqlite3->options) {
2125 for (i=0;options[i];i++) {
2127 lsqlite3->options[i+1] = NULL;
2128 lsqlite3->options[i] =
2129 talloc_strdup(lsqlite3->options, options[i]);
2130 if (!lsqlite3->options[i]) {
2139 if (lsqlite3->sqlite != NULL) {
2140 (void) sqlite3_close(lsqlite3->sqlite);
2142 talloc_free(lsqlite3);
2146 int ldb_sqlite3_init(void)
2148 return ldb_register_backend("sqlite3", lsqlite3_connect);