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Diffstat (limited to 'source4/lib/ldb/ldb_sqlite3/ldb_sqlite3.c')
-rw-r--r--source4/lib/ldb/ldb_sqlite3/ldb_sqlite3.c1940
1 files changed, 0 insertions, 1940 deletions
diff --git a/source4/lib/ldb/ldb_sqlite3/ldb_sqlite3.c b/source4/lib/ldb/ldb_sqlite3/ldb_sqlite3.c
deleted file mode 100644
index 223868a6c0..0000000000
--- a/source4/lib/ldb/ldb_sqlite3/ldb_sqlite3.c
+++ /dev/null
@@ -1,1940 +0,0 @@
-/*
- ldb database library
-
- Copyright (C) Derrell Lipman 2005
- Copyright (C) Simo Sorce 2005-2009
-
- ** NOTE! The following LGPL license applies to the ldb
- ** library. This does NOT imply that all of Samba is released
- ** under the LGPL
-
- This library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 3 of the License, or (at your option) any later version.
-
- This library 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
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with this library; if not, see <http://www.gnu.org/licenses/>.
-*/
-
-/*
- * Name: ldb
- *
- * Component: ldb sqlite3 backend
- *
- * Description: core files for SQLITE3 backend
- *
- * Author: Derrell Lipman (based on Andrew Tridgell's LDAP backend)
- */
-
-#include "ldb_module.h"
-
-#include <sqlite3.h>
-
-struct lsqlite3_private {
- int trans_count;
- char **options;
- sqlite3 *sqlite;
-};
-
-struct lsql_context {
- struct ldb_module *module;
- struct ldb_request *req;
-
- /* search stuff */
- long long current_eid;
- const char * const * attrs;
- struct ldb_reply *ares;
-
- bool callback_failed;
- struct tevent_timer *timeout_event;
-};
-
-/*
- * Macros used throughout
- */
-
-#ifndef FALSE
-# define FALSE (0)
-# define TRUE (! FALSE)
-#endif
-
-#define RESULT_ATTR_TABLE "temp_result_attrs"
-
-
-/* for testing, define to nothing, (create non-temporary table) */
-#define TEMPTAB "TEMPORARY"
-
-/*
- * Static variables
- */
-sqlite3_stmt * stmtGetEID = NULL;
-
-static char *lsqlite3_tprintf(TALLOC_CTX *mem_ctx, const char *fmt, ...)
-{
- char *str, *ret;
- va_list ap;
-
- va_start(ap, fmt);
- str = sqlite3_vmprintf(fmt, ap);
- va_end(ap);
-
- if (str == NULL) return NULL;
-
- ret = talloc_strdup(mem_ctx, str);
- if (ret == NULL) {
- sqlite3_free(str);
- return NULL;
- }
-
- sqlite3_free(str);
- return ret;
-}
-
-static char base160tab[161] = {
- 48 ,49 ,50 ,51 ,52 ,53 ,54 ,55 ,56 ,57 , /* 0-9 */
- 58 ,59 ,65 ,66 ,67 ,68 ,69 ,70 ,71 ,72 , /* : ; A-H */
- 73 ,74 ,75 ,76 ,77 ,78 ,79 ,80 ,81 ,82 , /* I-R */
- 83 ,84 ,85 ,86 ,87 ,88 ,89 ,90 ,97 ,98 , /* S-Z , a-b */
- 99 ,100,101,102,103,104,105,106,107,108, /* c-l */
- 109,110,111,112,113,114,115,116,117,118, /* m-v */
- 119,120,121,122,160,161,162,163,164,165, /* w-z, latin1 */
- 166,167,168,169,170,171,172,173,174,175, /* latin1 */
- 176,177,178,179,180,181,182,183,184,185, /* latin1 */
- 186,187,188,189,190,191,192,193,194,195, /* latin1 */
- 196,197,198,199,200,201,202,203,204,205, /* latin1 */
- 206,207,208,209,210,211,212,213,214,215, /* latin1 */
- 216,217,218,219,220,221,222,223,224,225, /* latin1 */
- 226,227,228,229,230,231,232,233,234,235, /* latin1 */
- 236,237,238,239,240,241,242,243,244,245, /* latin1 */
- 246,247,248,249,250,251,252,253,254,255, /* latin1 */
- '\0'
-};
-
-
-/*
- * base160()
- *
- * Convert an unsigned long integer into a base160 representation of the
- * number.
- *
- * Parameters:
- * val --
- * value to be converted
- *
- * result --
- * character array, 5 bytes long, into which the base160 representation
- * will be placed. The result will be a four-digit representation of the
- * number (with leading zeros prepended as necessary), and null
- * terminated.
- *
- * Returns:
- * Nothing
- */
-static void
-base160_sql(sqlite3_context * hContext,
- int argc,
- sqlite3_value ** argv)
-{
- int i;
- long long val;
- char result[5];
-
- val = sqlite3_value_int64(argv[0]);
-
- for (i = 3; i >= 0; i--) {
-
- result[i] = base160tab[val % 160];
- val /= 160;
- }
-
- result[4] = '\0';
-
- sqlite3_result_text(hContext, result, -1, SQLITE_TRANSIENT);
-}
-
-
-/*
- * base160next_sql()
- *
- * This function enhances sqlite by adding a "base160_next()" function which is
- * accessible via queries.
- *
- * Retrieve the next-greater number in the base160 sequence for the terminal
- * tree node (the last four digits). Only one tree level (four digits) is
- * operated on.
- *
- * Input:
- * A character string: either an empty string (in which case no operation is
- * performed), or a string of base160 digits with a length of a multiple of
- * four digits.
- *
- * Output:
- * Upon return, the trailing four digits (one tree level) will have been
- * incremented by 1.
- */
-static void
-base160next_sql(sqlite3_context * hContext,
- int argc,
- sqlite3_value ** argv)
-{
- int i;
- int len;
- char * pTab;
- char * pBase160 = strdup((const char *)sqlite3_value_text(argv[0]));
- char * pStart = pBase160;
-
- /*
- * We need a minimum of four digits, and we will always get a multiple
- * of four digits.
- */
- if (pBase160 != NULL &&
- (len = strlen(pBase160)) >= 4 &&
- len % 4 == 0) {
-
- if (pBase160 == NULL) {
-
- sqlite3_result_null(hContext);
- return;
- }
-
- pBase160 += strlen(pBase160) - 1;
-
- /* We only carry through four digits: one level in the tree */
- for (i = 0; i < 4; i++) {
-
- /* What base160 value does this digit have? */
- pTab = strchr(base160tab, *pBase160);
-
- /* Is there a carry? */
- if (pTab < base160tab + sizeof(base160tab) - 1) {
-
- /*
- * Nope. Just increment this value and we're
- * done.
- */
- *pBase160 = *++pTab;
- break;
- } else {
-
- /*
- * There's a carry. This value gets
- * base160tab[0], we decrement the buffer
- * pointer to get the next higher-order digit,
- * and continue in the loop.
- */
- *pBase160-- = base160tab[0];
- }
- }
-
- sqlite3_result_text(hContext,
- pStart,
- strlen(pStart),
- free);
- } else {
- sqlite3_result_value(hContext, argv[0]);
- if (pBase160 != NULL) {
- free(pBase160);
- }
- }
-}
-
-static char *parsetree_to_sql(struct ldb_module *module,
- void *mem_ctx,
- const struct ldb_parse_tree *t)
-{
- struct ldb_context *ldb;
- const struct ldb_schema_attribute *a;
- struct ldb_val value, subval;
- char *wild_card_string;
- char *child, *tmp;
- char *ret = NULL;
- char *attr;
- unsigned int i;
-
- ldb = ldb_module_get_ctx(module);
-
- switch(t->operation) {
- case LDB_OP_AND:
-
- tmp = parsetree_to_sql(module, mem_ctx, t->u.list.elements[0]);
- if (tmp == NULL) return NULL;
-
- for (i = 1; i < t->u.list.num_elements; 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);
- if (tmp == NULL) return NULL;
- }
-
- ret = talloc_asprintf(mem_ctx, "SELECT * FROM ( %s )\n", tmp);
-
- return ret;
-
- case LDB_OP_OR:
-
- tmp = parsetree_to_sql(module, mem_ctx, t->u.list.elements[0]);
- if (tmp == NULL) return NULL;
-
- for (i = 1; i < t->u.list.num_elements; i++) {
-
- 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);
- if (tmp == NULL) return NULL;
- }
-
- return talloc_asprintf(mem_ctx, "SELECT * FROM ( %s ) ", tmp);
-
- case LDB_OP_NOT:
-
- child = parsetree_to_sql(module, mem_ctx, t->u.isnot.child);
- if (child == NULL) return NULL;
-
- return talloc_asprintf(mem_ctx,
- "SELECT eid FROM ldb_entry "
- "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.
- */
- attr = ldb_attr_casefold(mem_ctx, t->u.equality.attr);
- if (attr == NULL) return NULL;
- a = ldb_schema_attribute_by_name(ldb, attr);
-
- /* Get a canonicalised copy of the data */
- a->syntax->canonicalise_fn(ldb, mem_ctx, &(t->u.equality.value), &value);
- if (value.data == NULL) {
- return NULL;
- }
-
- if (strcasecmp(t->u.equality.attr, "dn") == 0) {
- /* DN query is a special ldb case */
- const char *cdn = ldb_dn_get_casefold(
- ldb_dn_new(mem_ctx, ldb,
- (const char *)value.data));
-
- return lsqlite3_tprintf(mem_ctx,
- "SELECT eid FROM ldb_entry "
- "WHERE norm_dn = '%q'", cdn);
-
- } else {
- /* A normal query. */
- return lsqlite3_tprintf(mem_ctx,
- "SELECT eid FROM ldb_attribute_values "
- "WHERE norm_attr_name = '%q' "
- "AND norm_attr_value = '%q'",
- attr,
- value.data);
-
- }
-
- case LDB_OP_SUBSTRING:
-
- wild_card_string = talloc_strdup(mem_ctx,
- (t->u.substring.start_with_wildcard)?"*":"");
- if (wild_card_string == NULL) return NULL;
-
- for (i = 0; t->u.substring.chunks[i]; i++) {
- wild_card_string = talloc_asprintf_append(wild_card_string, "%s*",
- t->u.substring.chunks[i]->data);
- if (wild_card_string == NULL) return NULL;
- }
-
- if ( ! t->u.substring.end_with_wildcard ) {
- /* remove last wildcard */
- wild_card_string[strlen(wild_card_string) - 1] = '\0';
- }
-
- attr = ldb_attr_casefold(mem_ctx, t->u.substring.attr);
- if (attr == NULL) return NULL;
- a = ldb_schema_attribute_by_name(ldb, attr);
-
- subval.data = (void *)wild_card_string;
- subval.length = strlen(wild_card_string) + 1;
-
- /* Get a canonicalised copy of the data */
- a->syntax->canonicalise_fn(ldb, mem_ctx, &(subval), &value);
- if (value.data == NULL) {
- return NULL;
- }
-
- return lsqlite3_tprintf(mem_ctx,
- "SELECT eid FROM ldb_attribute_values "
- "WHERE norm_attr_name = '%q' "
- "AND norm_attr_value GLOB '%q'",
- attr,
- value.data);
-
- case LDB_OP_GREATER:
- attr = ldb_attr_casefold(mem_ctx, t->u.equality.attr);
- if (attr == NULL) return NULL;
- a = ldb_schema_attribute_by_name(ldb, attr);
-
- /* Get a canonicalised copy of the data */
- a->syntax->canonicalise_fn(ldb, mem_ctx, &(t->u.equality.value), &value);
- if (value.data == NULL) {
- return NULL;
- }
-
- return lsqlite3_tprintf(mem_ctx,
- "SELECT eid FROM ldb_attribute_values "
- "WHERE norm_attr_name = '%q' "
- "AND ldap_compare(norm_attr_value, '>=', '%q', '%q') ",
- attr,
- value.data,
- attr);
-
- case LDB_OP_LESS:
- attr = ldb_attr_casefold(mem_ctx, t->u.equality.attr);
- if (attr == NULL) return NULL;
- a = ldb_schema_attribute_by_name(ldb, attr);
-
- /* Get a canonicalised copy of the data */
- a->syntax->canonicalise_fn(ldb, mem_ctx, &(t->u.equality.value), &value);
- if (value.data == NULL) {
- return NULL;
- }
-
- return lsqlite3_tprintf(mem_ctx,
- "SELECT eid FROM ldb_attribute_values "
- "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") == 0) {
- return talloc_strdup(mem_ctx, "SELECT eid FROM ldb_entry");
- }
-
- attr = ldb_attr_casefold(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 = '%q' ",
- attr);
-
- case LDB_OP_APPROX:
- attr = ldb_attr_casefold(mem_ctx, t->u.equality.attr);
- if (attr == NULL) return NULL;
- a = ldb_schema_attribute_by_name(ldb, attr);
-
- /* Get a canonicalised copy of the data */
- a->syntax->canonicalise_fn(ldb, mem_ctx, &(t->u.equality.value), &value);
- if (value.data == NULL) {
- return NULL;
- }
-
- return lsqlite3_tprintf(mem_ctx,
- "SELECT eid FROM ldb_attribute_values "
- "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;
-
- default:
- break;
- };
-
- /* should never occur */
- abort();
- return NULL;
-}
-
-/*
- * query_int()
- *
- * This function is used for the common case of queries that return a single
- * integer value.
- *
- * NOTE: If more than one value is returned by the query, all but the first
- * one will be ignored.
- */
-static int
-query_int(const struct lsqlite3_private * lsqlite3,
- long long * pRet,
- 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) {
- va_end(args);
- return SQLITE_NOMEM;
- }
-
- /*
- * 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) {
- break;
- }
-
- /* One row expected */
- if ((ret = sqlite3_step(pStmt)) == SQLITE_SCHEMA) {
- if (stmtGetEID != NULL) {
- sqlite3_finalize(stmtGetEID);
- stmtGetEID = NULL;
- }
- (void) sqlite3_finalize(pStmt);
- continue;
- } else if (ret != SQLITE_ROW) {
- (void) sqlite3_finalize(pStmt);
- break;
- }
-
- /* Get the value to be returned */
- *pRet = sqlite3_column_int64(pStmt, 0);
-
- /* 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);
- break;
- }
-
- /*
- * Normal condition is only one time through loop. Loop is
- * rerun in error conditions, via "continue", above.
- */
- 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;
-}
-
-/*
- * This is a bad hack to support ldap style comparisons within 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 char *val = (const char *)sqlite3_value_text(argv[0]);
- const char *func = (const char *)sqlite3_value_text(argv[1]);
- const char *cmp = (const char *)sqlite3_value_text(argv[2]);
- const char *attr = (const char *)sqlite3_value_text(argv[3]);
- const struct ldb_schema_attribute *a;
- struct ldb_val valX;
- struct ldb_val valY;
- int ret;
-
- switch (func[0]) {
- /* greater */
- case '>': /* >= */
- a = ldb_schema_attribute_by_name(ldb, attr);
- valX.data = (uint8_t *)cmp;
- valX.length = strlen(cmp);
- valY.data = (uint8_t *)val;
- valY.length = strlen(val);
- ret = a->syntax->comparison_fn(ldb, ldb, &valY, &valX);
- if (ret >= 0)
- sqlite3_result_int(ctx, 1);
- else
- sqlite3_result_int(ctx, 0);
- return;
-
- /* lesser */
- case '<': /* <= */
- a = ldb_schema_attribute_by_name(ldb, attr);
- valX.data = (uint8_t *)cmp;
- valX.length = strlen(cmp);
- valY.data = (uint8_t *)val;
- valY.length = strlen(val);
- ret = a->syntax->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)
-{
- char *errmsg;
- int ret;
-
- /* execute */
- ret = sqlite3_exec(sqlite, "ROLLBACK;", NULL, NULL, &errmsg);
- if (ret != SQLITE_OK) {
- if (errmsg) {
- printf("lsqlite3_safe_rollback: Error: %s\n", errmsg);
- free(errmsg);
- }
- return -1;
- }
-
- return 0;
-}
-
-/* return an eid as result */
-static int lsqlite3_eid_callback(void *result, int col_num, char **cols, char **names)
-{
- long long *eid = (long long *)result;
-
- if (col_num != 1) return SQLITE_ABORT;
- if (strcasecmp(names[0], "eid") != 0) return SQLITE_ABORT;
-
- *eid = atoll(cols[0]);
- return SQLITE_OK;
-}
-
-/*
- * add a single set of ldap message values to a ldb_message
- */
-static int lsqlite3_search_callback(void *result, int col_num, char **cols, char **names)
-{
- struct ldb_context *ldb;
- struct lsql_context *ac;
- struct ldb_message *msg;
- long long eid;
- unsigned int i;
- int ret;
-
- ac = talloc_get_type(result, struct lsql_context);
- ldb = ldb_module_get_ctx(ac->module);
-
- /* eid, dn, attr_name, attr_value */
- if (col_num != 4) return SQLITE_ABORT;
-
- eid = atoll(cols[0]);
-
- if (ac->ares) {
- msg = ac->ares->message;
- }
-
- if (eid != ac->current_eid) { /* here begin a new entry */
-
- /* call the async callback for the last entry
- * except the first time */
- if (ac->current_eid != 0) {
- ret = ldb_msg_normalize(ldb, ac->req, msg, &msg);
- if (ret != LDB_SUCCESS) {
- return SQLITE_ABORT;
- }
-
- ret = ldb_module_send_entry(ac->req, msg, NULL);
- if (ret != LDB_SUCCESS) {
- ac->callback_failed = true;
- /* free msg object */
- TALLOC_FREE(msg);
- return SQLITE_ABORT;
- }
-
- /* free msg object */
- TALLOC_FREE(msg);
- }
-
- /* start over */
- ac->ares = talloc_zero(ac, struct ldb_reply);
- if (!ac->ares) return SQLITE_ABORT;
-
- msg = ldb_msg_new(ac->ares);
- if (!msg) return SQLITE_ABORT;
-
- ac->ares->type = LDB_REPLY_ENTRY;
- ac->current_eid = eid;
- }
-
- if (msg->dn == NULL) {
- msg->dn = ldb_dn_new(msg, ldb, cols[1]);
- if (msg->dn == NULL)
- return SQLITE_ABORT;
- }
-
- if (ac->attrs) {
- int found = 0;
- for (i = 0; ac->attrs[i]; i++) {
- if (strcasecmp(cols[2], ac->attrs[i]) == 0) {
- found = 1;
- break;
- }
- }
- if (!found) goto done;
- }
-
- if (ldb_msg_add_string(msg, cols[2], cols[3]) != 0) {
- return SQLITE_ABORT;
- }
-
-done:
- ac->ares->message = msg;
- return SQLITE_OK;
-}
-
-
-/*
- * lsqlite3_get_eid()
- * lsqlite3_get_eid_ndn()
- *
- * These functions are used for the very common case of retrieving an EID value
- * given a (normalized) DN.
- */
-
-static long long lsqlite3_get_eid_ndn(sqlite3 *sqlite, void *mem_ctx, const char *norm_dn)
-{
- char *errmsg;
- char *query;
- long long eid = -1;
- long long ret;
-
- /* get object eid */
- query = lsqlite3_tprintf(mem_ctx, "SELECT eid "
- "FROM ldb_entry "
- "WHERE norm_dn = '%q';", norm_dn);
- if (query == NULL) return -1;
-
- ret = sqlite3_exec(sqlite, query, lsqlite3_eid_callback, &eid, &errmsg);
- if (ret != SQLITE_OK) {
- if (errmsg) {
- printf("lsqlite3_get_eid: Fatal Error: %s\n", errmsg);
- free(errmsg);
- }
- return -1;
- }
-
- return eid;
-}
-
-static long long lsqlite3_get_eid(struct lsqlite3_private *lsqlite3,
- struct ldb_dn *dn)
-{
- TALLOC_CTX *local_ctx;
- long long eid = -1;
- char *cdn;
-
- /* ignore ltdb specials */
- if (ldb_dn_is_special(dn)) {
- return -1;
- }
-
- /* create a local ctx */
- local_ctx = talloc_named(lsqlite3, 0, "lsqlite3_get_eid local context");
- if (local_ctx == NULL) {
- return -1;
- }
-
- cdn = ldb_dn_alloc_casefold(local_ctx, dn);
- if (!cdn) goto done;
-
- eid = lsqlite3_get_eid_ndn(lsqlite3->sqlite, local_ctx, cdn);
-
-done:
- talloc_free(local_ctx);
- return eid;
-}
-
-/*
- * Interface functions referenced by lsqlite3_ops
- */
-
-/* search for matching records, by tree */
-int lsql_search(struct lsql_context *ctx)
-{
- struct ldb_module *module = ctx->module;
- struct ldb_request *req = ctx->req;
- struct lsqlite3_private *lsqlite3;
- struct ldb_context *ldb;
- char *norm_basedn;
- char *sqlfilter;
- char *errmsg;
- char *query = NULL;
- int ret;
-
- ldb = ldb_module_get_ctx(module);
- lsqlite3 = talloc_get_type(ldb_module_get_private(module),
- struct lsqlite3_private);
-
- if ((( ! ldb_dn_is_valid(req->op.search.base)) ||
- ldb_dn_is_null(req->op.search.base)) &&
- (req->op.search.scope == LDB_SCOPE_BASE ||
- req->op.search.scope == LDB_SCOPE_ONELEVEL)) {
- return LDB_ERR_OPERATIONS_ERROR;
- }
-
- if (req->op.search.base) {
- norm_basedn = ldb_dn_alloc_casefold(ctx, req->op.search.base);
- if (norm_basedn == NULL) {
- return LDB_ERR_OPERATIONS_ERROR;
- }
- } else norm_basedn = talloc_strdup(ctx, "");
-
- /* Convert filter into a series of SQL conditions (constraints) */
- sqlfilter = parsetree_to_sql(module, ctx, req->op.search.tree);
-
- switch(req->op.search.scope) {
- case LDB_SCOPE_DEFAULT:
- case LDB_SCOPE_SUBTREE:
- if (*norm_basedn != '\0') {
- query = lsqlite3_tprintf(ctx,
- "SELECT entry.eid,\n"
- " entry.dn,\n"
- " av.attr_name,\n"
- " av.attr_value\n"
- " FROM ldb_entry AS entry\n"
-
- " LEFT OUTER JOIN ldb_attribute_values AS av\n"
- " ON av.eid = entry.eid\n"
-
- " WHERE entry.eid IN\n"
- " (SELECT DISTINCT ldb_entry.eid\n"
- " FROM ldb_entry\n"
- " WHERE (ldb_entry.norm_dn GLOB('*,%q')\n"
- " OR ldb_entry.norm_dn = '%q')\n"
- " AND ldb_entry.eid IN\n"
- " (%s)\n"
- " )\n"
-
- " ORDER BY entry.eid ASC;",
- norm_basedn,
- norm_basedn,
- sqlfilter);
- } else {
- query = lsqlite3_tprintf(ctx,
- "SELECT entry.eid,\n"
- " entry.dn,\n"
- " av.attr_name,\n"
- " av.attr_value\n"
- " FROM ldb_entry AS entry\n"
-
- " LEFT OUTER JOIN ldb_attribute_values AS av\n"
- " ON av.eid = entry.eid\n"
-
- " WHERE entry.eid IN\n"
- " (SELECT DISTINCT ldb_entry.eid\n"
- " FROM ldb_entry\n"
- " WHERE ldb_entry.eid IN\n"
- " (%s)\n"
- " )\n"
-
- " ORDER BY entry.eid ASC;",
- sqlfilter);
- }
-
- break;
-
- case LDB_SCOPE_BASE:
- query = lsqlite3_tprintf(ctx,
- "SELECT entry.eid,\n"
- " entry.dn,\n"
- " av.attr_name,\n"
- " av.attr_value\n"
- " FROM ldb_entry AS entry\n"
-
- " LEFT OUTER JOIN ldb_attribute_values AS av\n"
- " ON av.eid = entry.eid\n"
-
- " WHERE entry.eid IN\n"
- " (SELECT DISTINCT ldb_entry.eid\n"
- " FROM ldb_entry\n"
- " WHERE ldb_entry.norm_dn = '%q'\n"
- " AND ldb_entry.eid IN\n"
- " (%s)\n"
- " )\n"
-
- " ORDER BY entry.eid ASC;",
- norm_basedn,
- sqlfilter);
- break;
-
- case LDB_SCOPE_ONELEVEL:
- query = lsqlite3_tprintf(ctx,
- "SELECT entry.eid,\n"
- " entry.dn,\n"
- " av.attr_name,\n"
- " av.attr_value\n"
- " FROM ldb_entry AS entry\n"
-
- " LEFT OUTER JOIN ldb_attribute_values AS av\n"
- " ON av.eid = entry.eid\n"
-
- " WHERE entry.eid IN\n"
- " (SELECT DISTINCT ldb_entry.eid\n"
- " FROM ldb_entry\n"
- " WHERE norm_dn GLOB('*,%q')\n"
- " AND NOT norm_dn GLOB('*,*,%q')\n"
- " AND ldb_entry.eid IN\n(%s)\n"
- " )\n"
-
- " ORDER BY entry.eid ASC;",
- norm_basedn,
- norm_basedn,
- sqlfilter);
- break;
- }
-
- if (query == NULL) {
- return LDB_ERR_OPERATIONS_ERROR;
- }
-
- /* * /
- printf ("%s\n", query);
- / * */
-
- ctx->current_eid = 0;
- ctx->attrs = req->op.search.attrs;
- ctx->ares = NULL;
-
- ldb_request_set_state(req, LDB_ASYNC_PENDING);
-
- ret = sqlite3_exec(lsqlite3->sqlite, query, lsqlite3_search_callback, ctx, &errmsg);
- if (ret != SQLITE_OK) {
- if (errmsg) {
- ldb_set_errstring(ldb, errmsg);
- free(errmsg);
- }
- return LDB_ERR_OPERATIONS_ERROR;
- }
-
- /* complete the last message if any */
- if (ctx->ares) {
- ret = ldb_msg_normalize(ldb, ctx->ares,
- ctx->ares->message,
- &ctx->ares->message);
- if (ret != LDB_SUCCESS) {
- return LDB_ERR_OPERATIONS_ERROR;
- }
-
- ret = ldb_module_send_entry(req, ctx->ares->message, NULL);
- if (ret != LDB_SUCCESS) {
- return ret;
- }
- }
-
-
- return LDB_SUCCESS;
-}
-
-/* add a record */
-static int lsql_add(struct lsql_context *ctx)
-{
- struct ldb_module *module = ctx->module;
- struct ldb_request *req = ctx->req;
- struct lsqlite3_private *lsqlite3;
- struct ldb_context *ldb;
- struct ldb_message *msg = req->op.add.message;
- long long eid;
- char *dn, *ndn;
- char *errmsg;
- char *query;
- unsigned int i;
- int ret;
-
- ldb = ldb_module_get_ctx(module);
- lsqlite3 = talloc_get_type(ldb_module_get_private(module),
- struct lsqlite3_private);
-
- /* See if this is an ltdb special */
- if (ldb_dn_is_special(msg->dn)) {
-/*
- struct ldb_dn *c;
- c = ldb_dn_new(local_ctx, ldb, "@INDEXLIST");
- if (ldb_dn_compare(ldb, msg->dn, c) == 0) {
-#warning "should we handle indexes somehow ?"
- ret = LDB_ERR_UNWILLING_TO_PERFORM;
- goto done;
- }
-*/
- /* Others return an error */
- return LDB_ERR_UNWILLING_TO_PERFORM;
- }
-
- /* create linearized and normalized dns */
- dn = ldb_dn_alloc_linearized(ctx, msg->dn);
- ndn = ldb_dn_alloc_casefold(ctx, msg->dn);
- if (dn == NULL || ndn == NULL) {
- return LDB_ERR_OPERATIONS_ERROR;
- }
-
- query = lsqlite3_tprintf(ctx,
- /* Add new entry */
- "INSERT OR ABORT INTO ldb_entry "
- "('dn', 'norm_dn') "
- "VALUES ('%q', '%q');",
- dn, ndn);
- if (query == NULL) {
- return LDB_ERR_OPERATIONS_ERROR;
- }
-
- ret = sqlite3_exec(lsqlite3->sqlite, query, NULL, NULL, &errmsg);
- if (ret != SQLITE_OK) {
- if (errmsg) {
- ldb_set_errstring(ldb, errmsg);
- free(errmsg);
- }
- return LDB_ERR_OPERATIONS_ERROR;
- }
-
- eid = lsqlite3_get_eid_ndn(lsqlite3->sqlite, ctx, ndn);
- if (eid == -1) {
- return LDB_ERR_OPERATIONS_ERROR;
- }
-
- for (i = 0; i < msg->num_elements; i++) {
- const struct ldb_message_element *el = &msg->elements[i];
- const struct ldb_schema_attribute *a;
- char *attr;
- unsigned int j;
-
- /* Get a case-folded copy of the attribute name */
- attr = ldb_attr_casefold(ctx, el->name);
- if (attr == NULL) {
- return LDB_ERR_OPERATIONS_ERROR;
- }
-
- a = ldb_schema_attribute_by_name(ldb, el->name);
-
- if (el->num_value == 0) {
- ldb_asprintf_errstring(ldb, "attribute %s on %s specified, but with 0 values (illegal)",
- el->name, ldb_dn_get_linearized(msg->dn));
- return LDB_ERR_CONSTRAINT_VIOLATION;
- }
-
- /* For each value of the specified attribute name... */
- for (j = 0; j < el->num_values; j++) {
- struct ldb_val value;
- char *insert;
-
- /* Get a canonicalised copy of the data */
- a->syntax->canonicalise_fn(ldb, ctx, &(el->values[j]), &value);
- if (value.data == NULL) {
- return LDB_ERR_OPERATIONS_ERROR;
- }
-
- insert = lsqlite3_tprintf(ctx,
- "INSERT OR ROLLBACK INTO ldb_attribute_values "
- "('eid', 'attr_name', 'norm_attr_name',"
- " 'attr_value', 'norm_attr_value') "
- "VALUES ('%lld', '%q', '%q', '%q', '%q');",
- eid, el->name, attr,
- el->values[j].data, value.data);
- if (insert == NULL) {
- return LDB_ERR_OPERATIONS_ERROR;
- }
-
- ret = sqlite3_exec(lsqlite3->sqlite, insert, NULL, NULL, &errmsg);
- if (ret != SQLITE_OK) {
- if (errmsg) {
- ldb_set_errstring(ldb, errmsg);
- free(errmsg);
- }
- return LDB_ERR_OPERATIONS_ERROR;
- }
- }
- }
-
- return LDB_SUCCESS;
-}
-
-/* modify a record */
-static int lsql_modify(struct lsql_context *ctx)
-{
- struct ldb_module *module = ctx->module;
- struct ldb_request *req = ctx->req;
- struct lsqlite3_private *lsqlite3;
- struct ldb_context *ldb;
- struct ldb_message *msg = req->op.mod.message;
- long long eid;
- char *errmsg;
- unsigned int i;
- int ret;
-
- ldb = ldb_module_get_ctx(module);
- lsqlite3 = talloc_get_type(ldb_module_get_private(module),
- struct lsqlite3_private);
-
- /* See if this is an ltdb special */
- if (ldb_dn_is_special(msg->dn)) {
- /* Others return an error */
- return LDB_ERR_UNWILLING_TO_PERFORM;
- }
-
- eid = lsqlite3_get_eid(lsqlite3, msg->dn);
- if (eid == -1) {
- return LDB_ERR_OPERATIONS_ERROR;
- }
-
- for (i = 0; i < msg->num_elements; i++) {
- const struct ldb_message_element *el = &msg->elements[i];
- const struct ldb_schema_attribute *a;
- unsigned int flags = el->flags & LDB_FLAG_MOD_MASK;
- char *attr;
- char *mod;
- unsigned int j;
-
- /* Get a case-folded copy of the attribute name */
- attr = ldb_attr_casefold(ctx, el->name);
- if (attr == NULL) {
- return LDB_ERR_OPERATIONS_ERROR;
- }
-
- a = ldb_schema_attribute_by_name(ldb, el->name);
-
- switch (flags) {
-
- case LDB_FLAG_MOD_REPLACE:
-
- for (j=0; j<el->num_values; j++) {
- if (ldb_msg_find_val(el, &el->values[j]) != &el->values[j]) {
- ldb_asprintf_errstring(ldb, "%s: value #%d provided more than once", el->name, j);
- return LDB_ERR_ATTRIBUTE_OR_VALUE_EXISTS;
- }
- }
-
- /* remove all attributes before adding the replacements */
- mod = lsqlite3_tprintf(ctx,
- "DELETE FROM ldb_attribute_values "
- "WHERE eid = '%lld' "
- "AND norm_attr_name = '%q';",
- eid, attr);
- if (mod == NULL) {
- return LDB_ERR_OPERATIONS_ERROR;
- }
-
- ret = sqlite3_exec(lsqlite3->sqlite, mod, NULL, NULL, &errmsg);
- if (ret != SQLITE_OK) {
- if (errmsg) {
- ldb_set_errstring(ldb, errmsg);
- free(errmsg);
- }
- return LDB_ERR_OPERATIONS_ERROR;
- }
-
- /* MISSING break is INTENTIONAL */
-
- case LDB_FLAG_MOD_ADD:
-
- if (el->num_values == 0) {
- ldb_asprintf_errstring(ldb, "attribute %s on %s specified, but with 0 values (illigal)",
- el->name, ldb_dn_get_linearized(msg->dn));
- return LDB_ERR_CONSTRAINT_VIOLATION;
- }
-
- /* For each value of the specified attribute name... */
- for (j = 0; j < el->num_values; j++) {
- struct ldb_val value;
-
- /* Get a canonicalised copy of the data */
- a->syntax->canonicalise_fn(ldb, ctx, &(el->values[j]), &value);
- if (value.data == NULL) {
- return LDB_ERR_OPERATIONS_ERROR;
- }
-
- mod = lsqlite3_tprintf(ctx,
- "INSERT OR ROLLBACK INTO ldb_attribute_values "
- "('eid', 'attr_name', 'norm_attr_name',"
- " 'attr_value', 'norm_attr_value') "
- "VALUES ('%lld', '%q', '%q', '%q', '%q');",
- eid, el->name, attr,
- el->values[j].data, value.data);
-
- if (mod == NULL) {
- return LDB_ERR_OPERATIONS_ERROR;
- }
-
- ret = sqlite3_exec(lsqlite3->sqlite, mod, NULL, NULL, &errmsg);
- if (ret != SQLITE_OK) {
- if (errmsg) {
- ldb_set_errstring(ldb, errmsg);
- free(errmsg);
- }
- return LDB_ERR_OPERATIONS_ERROR;
- }
- }
-
- break;
-
- case LDB_FLAG_MOD_DELETE:
-#warning "We should throw an error if the attribute we are trying to delete does not exist!"
- if (el->num_values == 0) {
- mod = lsqlite3_tprintf(ctx,
- "DELETE FROM ldb_attribute_values "
- "WHERE eid = '%lld' "
- "AND norm_attr_name = '%q';",
- eid, attr);
- if (mod == NULL) {
- return LDB_ERR_OPERATIONS_ERROR;
- }
-
- ret = sqlite3_exec(lsqlite3->sqlite, mod, NULL, NULL, &errmsg);
- if (ret != SQLITE_OK) {
- if (errmsg) {
- ldb_set_errstring(ldb, errmsg);
- free(errmsg);
- }
- return LDB_ERR_OPERATIONS_ERROR;
- }
- }
-
- /* For each value of the specified attribute name... */
- for (j = 0; j < el->num_values; j++) {
- struct ldb_val value;
-
- /* Get a canonicalised copy of the data */
- a->syntax->canonicalise_fn(ldb, ctx, &(el->values[j]), &value);
- if (value.data == NULL) {
- return LDB_ERR_OPERATIONS_ERROR;
- }
-
- mod = lsqlite3_tprintf(ctx,
- "DELETE FROM ldb_attribute_values "
- "WHERE eid = '%lld' "
- "AND norm_attr_name = '%q' "
- "AND norm_attr_value = '%q';",
- eid, attr, value.data);
-
- if (mod == NULL) {
- return LDB_ERR_OPERATIONS_ERROR;
- }
-
- ret = sqlite3_exec(lsqlite3->sqlite, mod, NULL, NULL, &errmsg);
- if (ret != SQLITE_OK) {
- if (errmsg) {
- ldb_set_errstring(ldb, errmsg);
- free(errmsg);
- }
- return LDB_ERR_OPERATIONS_ERROR;
- }
- }
-
- break;
- }
- }
-
- return LDB_SUCCESS;
-}
-
-/* delete a record */
-static int lsql_delete(struct lsql_context *ctx)
-{
- struct ldb_module *module = ctx->module;
- struct ldb_request *req = ctx->req;
- struct lsqlite3_private *lsqlite3;
- struct ldb_context *ldb;
- long long eid;
- char *errmsg;
- char *query;
- int ret;
-
- ldb = ldb_module_get_ctx(module);
- lsqlite3 = talloc_get_type(ldb_module_get_private(module),
- struct lsqlite3_private);
-
- eid = lsqlite3_get_eid(lsqlite3, req->op.del.dn);
- if (eid == -1) {
- return LDB_ERR_OPERATIONS_ERROR;
- }
-
- query = lsqlite3_tprintf(ctx,
- /* Delete entry */
- "DELETE FROM ldb_entry WHERE eid = %lld; "
- /* Delete attributes */
- "DELETE FROM ldb_attribute_values WHERE eid = %lld; ",
- eid, eid);
- if (query == NULL) {
- return LDB_ERR_OPERATIONS_ERROR;
- }
-
- ret = sqlite3_exec(lsqlite3->sqlite, query, NULL, NULL, &errmsg);
- if (ret != SQLITE_OK) {
- if (errmsg) {
- ldb_set_errstring(ldb, errmsg);
- free(errmsg);
- }
- return LDB_ERR_OPERATIONS_ERROR;
- }
-
- return LDB_SUCCESS;
-}
-
-/* rename a record */
-static int lsql_rename(struct lsql_context *ctx)
-{
- struct ldb_module *module = ctx->module;
- struct ldb_request *req = ctx->req;
- struct lsqlite3_private *lsqlite3;
- struct ldb_context *ldb;
- char *new_dn, *new_cdn, *old_cdn;
- char *errmsg;
- char *query;
- int ret;
-
- ldb = ldb_module_get_ctx(module);
- lsqlite3 = talloc_get_type(ldb_module_get_private(module),
- struct lsqlite3_private);
-
- /* create linearized and normalized dns */
- old_cdn = ldb_dn_alloc_casefold(ctx, req->op.rename.olddn);
- new_cdn = ldb_dn_alloc_casefold(ctx, req->op.rename.newdn);
- new_dn = ldb_dn_alloc_linearized(ctx, req->op.rename.newdn);
- if (old_cdn == NULL || new_cdn == NULL || new_dn == NULL) {
- return LDB_ERR_OPERATIONS_ERROR;
- }
-
- /* build the SQL query */
- query = lsqlite3_tprintf(ctx,
- "UPDATE ldb_entry SET dn = '%q', norm_dn = '%q' "
- "WHERE norm_dn = '%q';",
- new_dn, new_cdn, old_cdn);
- if (query == NULL) {
- return LDB_ERR_OPERATIONS_ERROR;
- }
-
- /* execute */
- ret = sqlite3_exec(lsqlite3->sqlite, query, NULL, NULL, &errmsg);
- if (ret != SQLITE_OK) {
- if (errmsg) {
- ldb_set_errstring(ldb, errmsg);
- free(errmsg);
- }
- return LDB_ERR_OPERATIONS_ERROR;
- }
-
- return LDB_SUCCESS;
-}
-
-static int lsql_start_trans(struct ldb_module * module)
-{
- int ret;
- char *errmsg;
- struct lsqlite3_private *lsqlite3;
-
- lsqlite3 = talloc_get_type(ldb_module_get_private(module),
- struct lsqlite3_private);
-
- 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 lsql_end_trans(struct ldb_module *module)
-{
- int ret;
- char *errmsg;
- struct lsqlite3_private *lsqlite3;
-
- lsqlite3 = talloc_get_type(ldb_module_get_private(module),
- struct lsqlite3_private);
-
- 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 lsql_del_trans(struct ldb_module *module)
-{
- struct lsqlite3_private *lsqlite3;
-
- lsqlite3 = talloc_get_type(ldb_module_get_private(module),
- struct lsqlite3_private);
-
- 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 int destructor(struct lsqlite3_private *lsqlite3)
-{
- if (lsqlite3->sqlite) {
- sqlite3_close(lsqlite3->sqlite);
- }
- return 0;
-}
-
-static void lsql_request_done(struct lsql_context *ctx, int error)
-{
- struct ldb_context *ldb;
- struct ldb_request *req;
- struct ldb_reply *ares;
-
- ldb = ldb_module_get_ctx(ctx->module);
- req = ctx->req;
-
- /* if we already returned an error just return */
- if (ldb_request_get_status(req) != LDB_SUCCESS) {
- return;
- }
-
- ares = talloc_zero(req, struct ldb_reply);
- if (!ares) {
- ldb_oom(ldb);
- req->callback(req, NULL);
- return;
- }
- ares->type = LDB_REPLY_DONE;
- ares->error = error;
-
- req->callback(req, ares);
-}
-
-static void lsql_timeout(struct tevent_context *ev,
- struct tevent_timer *te,
- struct timeval t,
- void *private_data)
-{
- struct lsql_context *ctx;
- ctx = talloc_get_type(private_data, struct lsql_context);
-
- lsql_request_done(ctx, LDB_ERR_TIME_LIMIT_EXCEEDED);
-}
-
-static void lsql_callback(struct tevent_context *ev,
- struct tevent_timer *te,
- struct timeval t,
- void *private_data)
-{
- struct lsql_context *ctx;
- int ret;
-
- ctx = talloc_get_type(private_data, struct lsql_context);
-
- switch (ctx->req->operation) {
- case LDB_SEARCH:
- ret = lsql_search(ctx);
- break;
- case LDB_ADD:
- ret = lsql_add(ctx);
- break;
- case LDB_MODIFY:
- ret = lsql_modify(ctx);
- break;
- case LDB_DELETE:
- ret = lsql_delete(ctx);
- break;
- case LDB_RENAME:
- ret = lsql_rename(ctx);
- break;
-/* TODO:
- case LDB_EXTENDED:
- ret = lsql_extended(ctx);
- break;
- */
- default:
- /* no other op supported */
- ret = LDB_ERR_PROTOCOL_ERROR;
- }
-
- if (!ctx->callback_failed) {
- /* Once we are done, we do not need timeout events */
- talloc_free(ctx->timeout_event);
- lsql_request_done(ctx, ret);
- }
-}
-
-static int lsql_handle_request(struct ldb_module *module, struct ldb_request *req)
-{
- struct ldb_context *ldb;
- struct tevent_context *ev;
- struct lsql_context *ac;
- struct tevent_timer *te;
- struct timeval tv;
-
- if (ldb_check_critical_controls(req->controls)) {
- return LDB_ERR_UNSUPPORTED_CRITICAL_EXTENSION;
- }
-
- if (req->starttime == 0 || req->timeout == 0) {
- ldb_set_errstring(ldb, "Invalid timeout settings");
- return LDB_ERR_TIME_LIMIT_EXCEEDED;
- }
-
- ldb = ldb_module_get_ctx(module);
- ev = ldb_get_event_context(ldb);
-
- ac = talloc_zero(req, struct lsql_context);
- if (ac == NULL) {
- ldb_set_errstring(ldb, "Out of Memory");
- return LDB_ERR_OPERATIONS_ERROR;
- }
-
- ac->module = module;
- ac->req = req;
-
- tv.tv_sec = 0;
- tv.tv_usec = 0;
- te = tevent_add_timer(ev, ac, tv, lsql_callback, ac);
- if (NULL == te) {
- return LDB_ERR_OPERATIONS_ERROR;
- }
-
- tv.tv_sec = req->starttime + req->timeout;
- ac->timeout_event = tevent_add_timer(ev, ac, tv, lsql_timeout, ac);
- if (NULL == ac->timeout_event) {
- return LDB_ERR_OPERATIONS_ERROR;
- }
-
- return LDB_SUCCESS;
-}
-
-/*
- * Table of operations for the sqlite3 backend
- */
-static const struct ldb_module_ops lsqlite3_ops = {
- .name = "sqlite",
- .search = lsql_handle_request,
- .add = lsql_handle_request,
- .modify = lsql_handle_request,
- .del = lsql_handle_request,
- .rename = lsql_handle_request,
- .extended = lsql_handle_request,
- .start_transaction = lsql_start_trans,
- .end_transaction = lsql_end_trans,
- .del_transaction = lsql_del_trans,
-};
-
-/*
- * Static functions
- */
-
-static int initialize(struct lsqlite3_private *lsqlite3,
- struct ldb_context *ldb, const char *url,
- unsigned int flags)
-{
- TALLOC_CTX *local_ctx;
- long long queryInt;
- 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 "
- " SELECT 'LDB' AS database_type,"
- " '1.0' AS version;"
-
- /*
- * The entry table holds the information about an entry.
- * This table is used to obtain the EID of the entry and to
- * support scope=one and scope=base. The parent and child
- * table is included in the entry table since all the other
- * attributes are dependent on EID.
- */
- "CREATE TABLE ldb_entry "
- "("
- " eid INTEGER PRIMARY KEY AUTOINCREMENT,"
- " dn TEXT UNIQUE NOT NULL,"
- " norm_dn TEXT UNIQUE NOT NULL"
- ");"
-
-
- "CREATE TABLE ldb_object_classes"
- "("
- " class_name TEXT PRIMARY KEY,"
- " parent_class_name TEXT,"
- " tree_key TEXT UNIQUE,"
- " max_child_num INTEGER DEFAULT 0"
- ");"
-
- /*
- * We keep a full listing of attribute/value pairs here
- */
- "CREATE TABLE ldb_attribute_values"
- "("
- " eid INTEGER REFERENCES ldb_entry,"
- " attr_name TEXT,"
- " norm_attr_name TEXT,"
- " attr_value TEXT,"
- " norm_attr_value TEXT "
- ");"
-
-
- /*
- * Indexes
- */
- "CREATE INDEX ldb_attribute_values_eid_idx "
- " ON ldb_attribute_values (eid);"
-
- "CREATE INDEX ldb_attribute_values_name_value_idx "
- " ON ldb_attribute_values (attr_name, norm_attr_value);"
-
-
-
- /*
- * Triggers
- */
-
- "CREATE TRIGGER ldb_object_classes_insert_tr"
- " AFTER INSERT"
- " ON ldb_object_classes"
- " FOR EACH ROW"
- " BEGIN"
- " UPDATE ldb_object_classes"
- " SET tree_key = COALESCE(tree_key, "
- " ("
- " SELECT tree_key || "
- " (SELECT base160(max_child_num + 1)"
- " FROM ldb_object_classes"
- " WHERE class_name = "
- " new.parent_class_name)"
- " FROM ldb_object_classes "
- " WHERE class_name = new.parent_class_name "
- " ));"
- " UPDATE 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');");
-
- /* Skip protocol indicator of url */
- if (strncmp(url, "sqlite3://", 10) != 0) {
- return SQLITE_MISUSE;
- }
-
- /* Update pointer to just after the protocol indicator */
- url += 10;
-
- /* Try to open the (possibly empty/non-existent) database */
- if ((ret = sqlite3_open(url, &lsqlite3->sqlite)) != SQLITE_OK) {
- return ret;
- }
-
- /* In case this is a new database, enable auto_vacuum */
- 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,
- 30000)) != SQLITE_OK) {
- return ret;
- }
-
- /* Create a function, callable from sql, to increment a tree_key */
- if ((ret =
- sqlite3_create_function(lsqlite3->sqlite,/* handle */
- "base160_next", /* function name */
- 1, /* number of args */
- SQLITE_ANY, /* preferred text type */
- NULL, /* user data */
- base160next_sql, /* called func */
- NULL, /* step func */
- NULL /* final func */
- )) != SQLITE_OK) {
- return ret;
- }
-
- /* Create a function, callable from sql, to convert int to base160 */
- if ((ret =
- sqlite3_create_function(lsqlite3->sqlite,/* handle */
- "base160", /* function name */
- 1, /* number of args */
- SQLITE_ANY, /* preferred text type */
- NULL, /* user data */
- base160_sql, /* called func */
- NULL, /* step func */
- NULL /* final func */
- )) != SQLITE_OK) {
- 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) {
- goto failed;
- }
-
- if (queryInt == 0) {
- /*
- * Create the database schema
- */
- 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
- */
- if (query_int(lsqlite3,
- &queryInt,
- "SELECT "
- " (SELECT COUNT(*) = 2"
- " FROM sqlite_master "
- " WHERE type = 'table' "
- " AND name IN "
- " ("
- " 'ldb_entry', "
- " 'ldb_object_classes' "
- " ) "
- " ) "
- " AND "
- " (SELECT 1 "
- " FROM ldb_info "
- " WHERE database_type = 'LDB' "
- " AND version = '1.0'"
- " );") != 0 ||
- queryInt != 1) {
-
- /* It's not one that we created. See ya! */
- goto failed;
- }
- }
-
- /* Commit the transaction */
- 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;
-}
-
-/*
- * connect to the database
- */
-static int lsqlite3_connect(struct ldb_context *ldb,
- const char *url,
- unsigned int flags,
- const char *options[],
- struct ldb_module **_module)
-{
- struct ldb_module *module;
- struct lsqlite3_private *lsqlite3;
- unsigned int i;
- int ret;
-
- module = ldb_module_new(ldb, ldb, "ldb_sqlite3 backend", &lsqlite3_ops);
- if (!module) return LDB_ERR_OPERATIONS_ERROR;
-
- lsqlite3 = talloc(module, struct lsqlite3_private);
- if (!lsqlite3) {
- goto failed;
- }
-
- lsqlite3->sqlite = NULL;
- lsqlite3->options = NULL;
- lsqlite3->trans_count = 0;
-
- ret = initialize(lsqlite3, ldb, url, flags);
- if (ret != SQLITE_OK) {
- goto failed;
- }
-
- talloc_set_destructor(lsqlite3, destructor);
-
- ldb_module_set_private(module, lsqlite3);
-
- if (options) {
- /*
- * take a copy of the options array, so we don't have to rely
- * on the caller keeping it around (it might be dynamic)
- */
- for (i=0;options[i];i++) ;
-
- lsqlite3->options = talloc_array(lsqlite3, char *, i+1);
- if (!lsqlite3->options) {
- goto failed;
- }
-
- for (i=0;options[i];i++) {
-
- lsqlite3->options[i+1] = NULL;
- lsqlite3->options[i] =
- talloc_strdup(lsqlite3->options, options[i]);
- if (!lsqlite3->options[i]) {
- goto failed;
- }
- }
- }
-
- *_module = module;
- return LDB_SUCCESS;
-
-failed:
- if (lsqlite3 && lsqlite3->sqlite != NULL) {
- (void) sqlite3_close(lsqlite3->sqlite);
- }
- talloc_free(lsqlite3);
- return LDB_ERR_OPERATIONS_ERROR;
-}
-
-int ldb_sqlite3_init(const char *version)
-{
- LDB_MODULE_CHECK_VERSION(version);
- return ldb_register_backend("sqlite3", lsqlite3_connect, false);
-}