mirror of
https://github.com/samba-team/samba.git
synced 2024-12-27 03:21:53 +03:00
05cdd9ccaf
exposed.
Unfortunately this generates a large number of type punning
warnings. We'll have to find some magic to hide those.
(This used to be commit 254cbf09de
)
2146 lines
57 KiB
C
2146 lines
57 KiB
C
/*
|
|
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
|
|
** 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 2 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, write to the Free Software
|
|
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
|
|
/*
|
|
* Name: ldb
|
|
*
|
|
* Component: ldb sqlite3 backend
|
|
*
|
|
* Description: core files for SQLITE3 backend
|
|
*
|
|
* Author: Derrell Lipman (based on Andrew Tridgell's LDAP backend)
|
|
*/
|
|
|
|
#include "includes.h"
|
|
#include "ldb/include/includes.h"
|
|
|
|
#include <sqlite3.h>
|
|
|
|
struct lsqlite3_private {
|
|
int trans_count;
|
|
char **options;
|
|
sqlite3 *sqlite;
|
|
};
|
|
|
|
struct lsql_context {
|
|
struct ldb_module *module;
|
|
|
|
/* search stuff */
|
|
long long current_eid;
|
|
const char * const * attrs;
|
|
struct ldb_reply *ares;
|
|
|
|
/* async stuff */
|
|
void *context;
|
|
int (*callback)(struct ldb_context *, void *, struct ldb_reply *);
|
|
};
|
|
|
|
static struct ldb_handle *init_handle(struct lsqlite3_private *lsqlite3, struct ldb_module *module,
|
|
void *context,
|
|
int (*callback)(struct ldb_context *, void *, struct ldb_reply *))
|
|
{
|
|
struct lsql_context *ac;
|
|
struct ldb_handle *h;
|
|
|
|
h = talloc_zero(lsqlite3, struct ldb_handle);
|
|
if (h == NULL) {
|
|
ldb_set_errstring(module->ldb, "Out of Memory");
|
|
return NULL;
|
|
}
|
|
|
|
h->module = module;
|
|
|
|
ac = talloc(h, struct lsql_context);
|
|
if (ac == NULL) {
|
|
ldb_set_errstring(module->ldb, "Out of Memory");
|
|
talloc_free(h);
|
|
return NULL;
|
|
}
|
|
|
|
h->private_data = (void *)ac;
|
|
|
|
h->state = LDB_ASYNC_INIT;
|
|
h->status = LDB_SUCCESS;
|
|
|
|
ac->module = module;
|
|
ac->context = context;
|
|
ac->callback = callback;
|
|
|
|
return h;
|
|
}
|
|
|
|
/*
|
|
* Macros used throughout
|
|
*/
|
|
|
|
#ifndef FALSE
|
|
# define FALSE (0)
|
|
# define TRUE (! FALSE)
|
|
#endif
|
|
|
|
#define RESULT_ATTR_TABLE "temp_result_attrs"
|
|
|
|
//#define TEMPTAB /* for testing, 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)
|
|
{
|
|
const struct ldb_attrib_handler *h;
|
|
struct ldb_val value, subval;
|
|
char *wild_card_string;
|
|
char *child, *tmp;
|
|
char *ret = NULL;
|
|
char *attr;
|
|
int i;
|
|
|
|
|
|
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;
|
|
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);
|
|
if (value.data == NULL) {
|
|
return NULL;
|
|
}
|
|
|
|
if (strcasecmp(t->u.equality.attr, "objectclass") == 0) {
|
|
/*
|
|
* For object classes, we want to search for all objectclasses
|
|
* that are subclasses as well.
|
|
*/
|
|
return lsqlite3_tprintf(mem_ctx,
|
|
"SELECT eid FROM ldb_attribute_values\n"
|
|
"WHERE norm_attr_name = 'OBJECTCLASS' "
|
|
"AND norm_attr_value IN\n"
|
|
" (SELECT class_name FROM ldb_object_classes\n"
|
|
" WHERE tree_key GLOB\n"
|
|
" (SELECT tree_key FROM ldb_object_classes\n"
|
|
" WHERE class_name = '%q'\n"
|
|
" ) || '*'\n"
|
|
" )\n", value.data);
|
|
|
|
} else if (strcasecmp(t->u.equality.attr, "dn") == 0) {
|
|
/* DN query is a special ldb case */
|
|
char *cdn = ldb_dn_linearize_casefold(module->ldb,
|
|
ldb_dn_explode(module->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;
|
|
h = ldb_attrib_handler(module->ldb, attr);
|
|
|
|
subval.data = (void *)wild_card_string;
|
|
subval.length = strlen(wild_card_string) + 1;
|
|
|
|
/* Get a canonicalised copy of the data */
|
|
h->canonicalise_fn(module->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;
|
|
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);
|
|
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;
|
|
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);
|
|
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;
|
|
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);
|
|
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) {
|
|
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 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 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_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 = (void *)cmp;
|
|
valX.length = strlen(cmp);
|
|
valY.data = (void *)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 = (void *)cmp;
|
|
valX.length = strlen(cmp);
|
|
valY.data = (void *)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)
|
|
{
|
|
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_handle *handle = talloc_get_type(result, struct ldb_handle);
|
|
struct lsql_context *ac = talloc_get_type(handle->private_data, struct lsql_context);
|
|
struct ldb_message *msg;
|
|
long long eid;
|
|
int i;
|
|
|
|
/* eid, dn, attr_name, attr_value */
|
|
if (col_num != 4)
|
|
return SQLITE_ABORT;
|
|
|
|
eid = atoll(cols[0]);
|
|
|
|
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) {
|
|
ac->ares->message = ldb_msg_canonicalize(ac->module->ldb, ac->ares->message);
|
|
if (ac->ares->message == NULL)
|
|
return SQLITE_ABORT;
|
|
|
|
handle->status = ac->callback(ac->module->ldb, ac->context, ac->ares);
|
|
if (handle->status != LDB_SUCCESS)
|
|
return SQLITE_ABORT;
|
|
}
|
|
|
|
/* start over */
|
|
ac->ares = talloc_zero(ac, struct ldb_reply);
|
|
if (!ac->ares)
|
|
return SQLITE_ABORT;
|
|
|
|
ac->ares->message = ldb_msg_new(ac->ares);
|
|
if (!ac->ares->message)
|
|
return SQLITE_ABORT;
|
|
|
|
ac->ares->type = LDB_REPLY_ENTRY;
|
|
ac->current_eid = eid;
|
|
}
|
|
|
|
msg = ac->ares->message;
|
|
|
|
if (msg->dn == NULL) {
|
|
msg->dn = ldb_dn_explode(msg, 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) return SQLITE_OK;
|
|
}
|
|
|
|
if (ldb_msg_add_string(msg, cols[2], cols[3]) != 0) {
|
|
return SQLITE_ABORT;
|
|
}
|
|
|
|
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 ldb_module *module, const struct ldb_dn *dn)
|
|
{
|
|
TALLOC_CTX *local_ctx;
|
|
struct lsqlite3_private *lsqlite3 = module->private_data;
|
|
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_linearize(local_ctx, ldb_dn_casefold(module->ldb, 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
|
|
*/
|
|
|
|
static int lsql_search_sync_callback(struct ldb_context *ldb, void *context, struct ldb_reply *ares)
|
|
{
|
|
struct ldb_result *res = NULL;
|
|
|
|
if (!context) {
|
|
ldb_set_errstring(ldb, "NULL Context in callback");
|
|
goto error;
|
|
}
|
|
|
|
res = *((struct ldb_result **)context);
|
|
|
|
if (!res || !ares) {
|
|
goto error;
|
|
}
|
|
|
|
if (ares->type == LDB_REPLY_ENTRY) {
|
|
res->msgs = talloc_realloc(res, res->msgs, struct ldb_message *, res->count + 2);
|
|
if (! res->msgs) {
|
|
goto error;
|
|
}
|
|
|
|
res->msgs[res->count + 1] = NULL;
|
|
|
|
res->msgs[res->count] = talloc_move(res->msgs, &ares->message);
|
|
res->count++;
|
|
} else {
|
|
ldb_debug(ldb, LDB_DEBUG_ERROR, "unrecognized async reply in ltdb_search_sync_callback!\n");
|
|
goto error;
|
|
}
|
|
|
|
talloc_free(ares);
|
|
return LDB_SUCCESS;
|
|
|
|
error:
|
|
if (ares) talloc_free(ares);
|
|
if (res) talloc_free(res);
|
|
if (context) *((struct ldb_result **)context) = NULL;
|
|
return LDB_ERR_OPERATIONS_ERROR;
|
|
}
|
|
|
|
/* search for matching records, by tree */
|
|
int lsql_search_async(struct ldb_module *module, const struct ldb_dn *base,
|
|
enum ldb_scope scope, struct ldb_parse_tree *tree,
|
|
const char * const *attrs,
|
|
void *context,
|
|
int (*callback)(struct ldb_context *, void *, struct ldb_reply *),
|
|
struct ldb_handle **handle)
|
|
{
|
|
struct lsqlite3_private *lsqlite3 = talloc_get_type(module->private_data, struct lsqlite3_private);
|
|
struct lsql_context *lsql_ac;
|
|
char *norm_basedn;
|
|
char *sqlfilter;
|
|
char *errmsg;
|
|
char *query = NULL;
|
|
int ret;
|
|
|
|
*handle = init_handle(lsqlite3, module, context, callback);
|
|
if (*handle == NULL) {
|
|
talloc_free(*handle);
|
|
return LDB_ERR_OPERATIONS_ERROR;
|
|
}
|
|
|
|
lsql_ac = talloc_get_type((*handle)->private_data, struct lsql_context);
|
|
|
|
if (base) {
|
|
norm_basedn = ldb_dn_linearize(lsql_ac, ldb_dn_casefold(module->ldb, base));
|
|
if (norm_basedn == NULL) {
|
|
ret = LDB_ERR_INVALID_DN_SYNTAX;
|
|
goto failed;
|
|
}
|
|
} else norm_basedn = talloc_strdup(lsql_ac, "");
|
|
|
|
if (*norm_basedn == '\0' &&
|
|
(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, lsql_ac, tree);
|
|
|
|
switch(scope) {
|
|
case LDB_SCOPE_DEFAULT:
|
|
case LDB_SCOPE_SUBTREE:
|
|
if (*norm_basedn != '\0') {
|
|
query = lsqlite3_tprintf(lsql_ac,
|
|
"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(lsql_ac,
|
|
"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(lsql_ac,
|
|
"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(lsql_ac,
|
|
"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) {
|
|
goto failed;
|
|
}
|
|
|
|
/* * /
|
|
printf ("%s\n", query);
|
|
/ * */
|
|
|
|
lsql_ac->current_eid = 0;
|
|
lsql_ac->attrs = attrs;
|
|
lsql_ac->ares = NULL;
|
|
|
|
(*handle)->state = LDB_ASYNC_PENDING;
|
|
|
|
ret = sqlite3_exec(lsqlite3->sqlite, query, lsqlite3_search_callback, *handle, &errmsg);
|
|
if (ret != SQLITE_OK) {
|
|
if (errmsg) {
|
|
ldb_set_errstring(module->ldb, errmsg);
|
|
free(errmsg);
|
|
}
|
|
goto failed;
|
|
}
|
|
|
|
/* complete the last message if any */
|
|
if (lsql_ac->ares) {
|
|
lsql_ac->ares->message = ldb_msg_canonicalize(module->ldb, lsql_ac->ares->message);
|
|
if (lsql_ac->ares->message == NULL)
|
|
goto failed;
|
|
|
|
(*handle)->status = lsql_ac->callback(module->ldb, lsql_ac->context, lsql_ac->ares);
|
|
if ((*handle)->status != LDB_SUCCESS)
|
|
goto failed;
|
|
}
|
|
|
|
(*handle)->state = LDB_ASYNC_DONE;
|
|
|
|
return LDB_SUCCESS;
|
|
|
|
failed:
|
|
talloc_free(*handle);
|
|
return LDB_ERR_OPERATIONS_ERROR;
|
|
}
|
|
|
|
static int lsql_search_bytree(struct ldb_module * module, const struct ldb_dn* base,
|
|
enum ldb_scope scope, struct ldb_parse_tree * tree,
|
|
const char * const * attrs, struct ldb_result ** res)
|
|
{
|
|
struct ldb_handle *handle;
|
|
int ret;
|
|
|
|
*res = talloc_zero(module, struct ldb_result);
|
|
if (! *res) {
|
|
return LDB_ERR_OPERATIONS_ERROR;
|
|
}
|
|
|
|
ret = lsql_search_async(module, base, scope, tree, attrs,
|
|
res, &lsql_search_sync_callback,
|
|
&handle);
|
|
|
|
if (ret == LDB_SUCCESS) {
|
|
ret = ldb_wait(handle, LDB_WAIT_ALL);
|
|
talloc_free(handle);
|
|
}
|
|
|
|
if (ret != LDB_SUCCESS) {
|
|
talloc_free(*res);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
/* add a record */
|
|
static int lsql_add_async(struct ldb_module *module, struct ldb_message *msg,
|
|
void *context,
|
|
int (*callback)(struct ldb_context *, void *, struct ldb_reply *),
|
|
struct ldb_handle **handle)
|
|
{
|
|
struct lsqlite3_private *lsqlite3 = talloc_get_type(module->private_data, struct lsqlite3_private);
|
|
struct lsql_context *lsql_ac;
|
|
long long eid;
|
|
char *dn, *ndn;
|
|
char *errmsg;
|
|
char *query;
|
|
int i;
|
|
int ret = LDB_ERR_OPERATIONS_ERROR;
|
|
|
|
*handle = init_handle(lsqlite3, module, context, callback);
|
|
if (*handle == NULL) {
|
|
goto failed;
|
|
}
|
|
lsql_ac = talloc_get_type((*handle)->private_data, struct lsql_context);
|
|
(*handle)->state = LDB_ASYNC_DONE;
|
|
(*handle)->status = LDB_SUCCESS;
|
|
|
|
/* See if this is an ltdb special */
|
|
if (ldb_dn_is_special(msg->dn)) {
|
|
struct ldb_dn *c;
|
|
|
|
c = ldb_dn_explode(lsql_ac, "@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 LDB_SUCCESS;
|
|
}
|
|
|
|
/* create linearized and normalized dns */
|
|
dn = ldb_dn_linearize(lsql_ac, msg->dn);
|
|
ndn = ldb_dn_linearize(lsql_ac, ldb_dn_casefold(module->ldb, msg->dn));
|
|
if (dn == NULL || ndn == NULL) {
|
|
ret = LDB_ERR_OTHER;
|
|
goto failed;
|
|
}
|
|
|
|
query = lsqlite3_tprintf(lsql_ac,
|
|
/* Add new entry */
|
|
"INSERT OR ABORT INTO ldb_entry "
|
|
"('dn', 'norm_dn') "
|
|
"VALUES ('%q', '%q');",
|
|
dn, ndn);
|
|
if (query == NULL) {
|
|
ret = LDB_ERR_OTHER;
|
|
goto failed;
|
|
}
|
|
|
|
ret = sqlite3_exec(lsqlite3->sqlite, query, NULL, NULL, &errmsg);
|
|
if (ret != SQLITE_OK) {
|
|
if (errmsg) {
|
|
ldb_set_errstring(module->ldb, errmsg);
|
|
free(errmsg);
|
|
}
|
|
ret = LDB_ERR_OTHER;
|
|
goto failed;
|
|
}
|
|
|
|
eid = lsqlite3_get_eid_ndn(lsqlite3->sqlite, lsql_ac, ndn);
|
|
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];
|
|
const struct ldb_attrib_handler *h;
|
|
char *attr;
|
|
int j;
|
|
|
|
/* Get a case-folded copy of the attribute name */
|
|
attr = ldb_attr_casefold(lsql_ac, el->name);
|
|
if (attr == NULL) {
|
|
ret = LDB_ERR_OTHER;
|
|
goto failed;
|
|
}
|
|
|
|
h = ldb_attrib_handler(module->ldb, el->name);
|
|
|
|
/* 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 */
|
|
h->canonicalise_fn(module->ldb, lsql_ac, &(el->values[j]), &value);
|
|
if (value.data == NULL) {
|
|
ret = LDB_ERR_OTHER;
|
|
goto failed;
|
|
}
|
|
|
|
insert = lsqlite3_tprintf(lsql_ac,
|
|
"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) {
|
|
ret = LDB_ERR_OTHER;
|
|
goto failed;
|
|
}
|
|
|
|
ret = sqlite3_exec(lsqlite3->sqlite, insert, NULL, NULL, &errmsg);
|
|
if (ret != SQLITE_OK) {
|
|
if (errmsg) {
|
|
ldb_set_errstring(module->ldb, errmsg);
|
|
free(errmsg);
|
|
}
|
|
ret = LDB_ERR_OTHER;
|
|
goto failed;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (lsql_ac->callback)
|
|
(*handle)->status = lsql_ac->callback(module->ldb, lsql_ac->context, NULL);
|
|
|
|
return LDB_SUCCESS;
|
|
|
|
failed:
|
|
talloc_free(*handle);
|
|
return ret;
|
|
}
|
|
|
|
static int lsql_add(struct ldb_module *module, const struct ldb_message *msg)
|
|
{
|
|
struct ldb_handle *handle;
|
|
int ret;
|
|
|
|
ret = lsql_add_async(module, msg, NULL, NULL, &handle);
|
|
|
|
if (ret != LDB_SUCCESS)
|
|
return ret;
|
|
|
|
ret = ldb_wait(handle, LDB_WAIT_ALL);
|
|
|
|
talloc_free(handle);
|
|
return ret;
|
|
}
|
|
|
|
|
|
/* modify a record */
|
|
static int lsql_modify_async(struct ldb_module *module, const struct ldb_message *msg,
|
|
void *context,
|
|
int (*callback)(struct ldb_context *, void *, struct ldb_reply *),
|
|
struct ldb_handle **handle)
|
|
{
|
|
struct lsqlite3_private *lsqlite3 = talloc_get_type(module->private_data, struct lsqlite3_private);
|
|
struct lsql_context *lsql_ac;
|
|
long long eid;
|
|
char *errmsg;
|
|
int i;
|
|
int ret = LDB_ERR_OPERATIONS_ERROR;
|
|
|
|
*handle = init_handle(lsqlite3, module, context, callback);
|
|
if (*handle == NULL) {
|
|
goto failed;
|
|
}
|
|
lsql_ac = talloc_get_type((*handle)->private_data, struct lsql_context);
|
|
(*handle)->state = LDB_ASYNC_DONE;
|
|
(*handle)->status = LDB_SUCCESS;
|
|
|
|
/* See if this is an ltdb special */
|
|
if (ldb_dn_is_special(msg->dn)) {
|
|
struct ldb_dn *c;
|
|
|
|
c = ldb_dn_explode(lsql_ac, "@SUBCLASSES");
|
|
if (ldb_dn_compare(module->ldb, msg->dn, c) == 0) {
|
|
#warning "modify subclasses into object class tree"
|
|
ret = LDB_ERR_UNWILLING_TO_PERFORM;
|
|
goto failed;
|
|
}
|
|
|
|
/* Others are implicitly ignored */
|
|
return LDB_SUCCESS;
|
|
}
|
|
|
|
eid = lsqlite3_get_eid(module, msg->dn);
|
|
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];
|
|
const struct ldb_attrib_handler *h;
|
|
int flags = el->flags & LDB_FLAG_MOD_MASK;
|
|
char *attr;
|
|
char *mod;
|
|
int j;
|
|
|
|
/* Get a case-folded copy of the attribute name */
|
|
attr = ldb_attr_casefold(lsql_ac, el->name);
|
|
if (attr == NULL) {
|
|
ret = LDB_ERR_OTHER;
|
|
goto failed;
|
|
}
|
|
|
|
h = ldb_attrib_handler(module->ldb, el->name);
|
|
|
|
switch (flags) {
|
|
|
|
case LDB_FLAG_MOD_REPLACE:
|
|
|
|
/* remove all attributes before adding the replacements */
|
|
mod = lsqlite3_tprintf(lsql_ac,
|
|
"DELETE FROM ldb_attribute_values "
|
|
"WHERE eid = '%lld' "
|
|
"AND norm_attr_name = '%q';",
|
|
eid, attr);
|
|
if (mod == NULL) {
|
|
ret = LDB_ERR_OTHER;
|
|
goto failed;
|
|
}
|
|
|
|
ret = sqlite3_exec(lsqlite3->sqlite, mod, NULL, NULL, &errmsg);
|
|
if (ret != SQLITE_OK) {
|
|
if (errmsg) {
|
|
ldb_set_errstring(module->ldb, errmsg);
|
|
free(errmsg);
|
|
}
|
|
ret = LDB_ERR_OTHER;
|
|
goto failed;
|
|
}
|
|
|
|
/* MISSING break is INTENTIONAL */
|
|
|
|
case LDB_FLAG_MOD_ADD:
|
|
#warning "We should throw an error if no value is provided!"
|
|
/* 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 */
|
|
h->canonicalise_fn(module->ldb, lsql_ac, &(el->values[j]), &value);
|
|
if (value.data == NULL) {
|
|
ret = LDB_ERR_OTHER;
|
|
goto failed;
|
|
}
|
|
|
|
mod = lsqlite3_tprintf(lsql_ac,
|
|
"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) {
|
|
ret = LDB_ERR_OTHER;
|
|
goto failed;
|
|
}
|
|
|
|
ret = sqlite3_exec(lsqlite3->sqlite, mod, NULL, NULL, &errmsg);
|
|
if (ret != SQLITE_OK) {
|
|
if (errmsg) {
|
|
ldb_set_errstring(module->ldb, errmsg);
|
|
free(errmsg);
|
|
}
|
|
ret = LDB_ERR_OTHER;
|
|
goto failed;
|
|
}
|
|
}
|
|
|
|
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(lsql_ac,
|
|
"DELETE FROM ldb_attribute_values "
|
|
"WHERE eid = '%lld' "
|
|
"AND norm_attr_name = '%q';",
|
|
eid, attr);
|
|
if (mod == NULL) {
|
|
ret = LDB_ERR_OTHER;
|
|
goto failed;
|
|
}
|
|
|
|
ret = sqlite3_exec(lsqlite3->sqlite, mod, NULL, NULL, &errmsg);
|
|
if (ret != SQLITE_OK) {
|
|
if (errmsg) {
|
|
ldb_set_errstring(module->ldb, errmsg);
|
|
free(errmsg);
|
|
}
|
|
ret = LDB_ERR_OTHER;
|
|
goto failed;
|
|
}
|
|
}
|
|
|
|
/* 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 */
|
|
h->canonicalise_fn(module->ldb, lsql_ac, &(el->values[j]), &value);
|
|
if (value.data == NULL) {
|
|
ret = LDB_ERR_OTHER;
|
|
goto failed;
|
|
}
|
|
|
|
mod = lsqlite3_tprintf(lsql_ac,
|
|
"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) {
|
|
ret = LDB_ERR_OTHER;
|
|
goto failed;
|
|
}
|
|
|
|
ret = sqlite3_exec(lsqlite3->sqlite, mod, NULL, NULL, &errmsg);
|
|
if (ret != SQLITE_OK) {
|
|
if (errmsg) {
|
|
ldb_set_errstring(module->ldb, errmsg);
|
|
free(errmsg);
|
|
}
|
|
ret = LDB_ERR_OTHER;
|
|
goto failed;
|
|
}
|
|
}
|
|
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (lsql_ac->callback)
|
|
(*handle)->status = lsql_ac->callback(module->ldb, lsql_ac->context, NULL);
|
|
|
|
return LDB_SUCCESS;
|
|
|
|
failed:
|
|
talloc_free(*handle);
|
|
return ret;
|
|
}
|
|
|
|
static int lsql_modify(struct ldb_module *module, const struct ldb_message *msg)
|
|
{
|
|
struct ldb_handle *handle;
|
|
int ret;
|
|
|
|
ret = lsql_modify_async(module, msg, NULL, NULL, &handle);
|
|
|
|
if (ret != LDB_SUCCESS)
|
|
return ret;
|
|
|
|
ret = ldb_wait(handle, LDB_WAIT_ALL);
|
|
|
|
talloc_free(handle);
|
|
return ret;
|
|
}
|
|
|
|
/* delete a record */
|
|
static int lsql_delete_async(struct ldb_module *module, const struct ldb_dn *dn,
|
|
void *context,
|
|
int (*callback)(struct ldb_context *, void *, struct ldb_reply *),
|
|
struct ldb_handle **handle)
|
|
{
|
|
struct lsqlite3_private *lsqlite3 = talloc_get_type(module->private_data, struct lsqlite3_private);
|
|
struct lsql_context *lsql_ac;
|
|
long long eid;
|
|
char *errmsg;
|
|
char *query;
|
|
int ret = LDB_ERR_OPERATIONS_ERROR;
|
|
|
|
|
|
*handle = init_handle(lsqlite3, module, context, callback);
|
|
if (*handle == NULL) {
|
|
goto failed;
|
|
}
|
|
lsql_ac = talloc_get_type((*handle)->private_data, struct lsql_context);
|
|
(*handle)->state = LDB_ASYNC_DONE;
|
|
(*handle)->status = LDB_SUCCESS;
|
|
|
|
eid = lsqlite3_get_eid(module, dn);
|
|
if (eid == -1) {
|
|
goto failed;
|
|
}
|
|
|
|
query = lsqlite3_tprintf(lsql_ac,
|
|
/* Delete entry */
|
|
"DELETE FROM ldb_entry WHERE eid = %lld; "
|
|
/* Delete attributes */
|
|
"DELETE FROM ldb_attribute_values WHERE eid = %lld; ",
|
|
eid, eid);
|
|
if (query == NULL) {
|
|
ret = LDB_ERR_OTHER;
|
|
goto failed;
|
|
}
|
|
|
|
ret = sqlite3_exec(lsqlite3->sqlite, query, NULL, NULL, &errmsg);
|
|
if (ret != SQLITE_OK) {
|
|
if (errmsg) {
|
|
ldb_set_errstring(module->ldb, errmsg);
|
|
free(errmsg);
|
|
}
|
|
ret = LDB_ERR_OPERATIONS_ERROR;
|
|
goto failed;
|
|
}
|
|
|
|
if (lsql_ac->callback)
|
|
(*handle)->status = lsql_ac->callback(module->ldb, lsql_ac->context, NULL);
|
|
|
|
return LDB_SUCCESS;
|
|
|
|
failed:
|
|
talloc_free(*handle);
|
|
return ret;
|
|
}
|
|
|
|
static int lsql_delete(struct ldb_module *module, const struct ldb_dn *dn)
|
|
{
|
|
struct ldb_handle *handle;
|
|
int ret;
|
|
|
|
/* ignore ltdb specials */
|
|
if (ldb_dn_is_special(dn)) {
|
|
return LDB_SUCCESS;
|
|
}
|
|
|
|
ret = lsql_delete_async(module, dn, NULL, NULL, &handle);
|
|
|
|
if (ret != LDB_SUCCESS)
|
|
return ret;
|
|
|
|
ret = ldb_wait(handle, LDB_WAIT_ALL);
|
|
|
|
talloc_free(handle);
|
|
return ret;
|
|
}
|
|
|
|
/* rename a record */
|
|
static int lsql_rename_async(struct ldb_module *module, const struct ldb_dn *olddn, const struct ldb_dn *newdn,
|
|
void *context,
|
|
int (*callback)(struct ldb_context *, void *, struct ldb_reply *),
|
|
struct ldb_handle **handle)
|
|
{
|
|
struct lsqlite3_private *lsqlite3 = talloc_get_type(module->private_data, struct lsqlite3_private);
|
|
struct lsql_context *lsql_ac;
|
|
char *new_dn, *new_cdn, *old_cdn;
|
|
char *errmsg;
|
|
char *query;
|
|
int ret = LDB_ERR_OPERATIONS_ERROR;
|
|
|
|
*handle = init_handle(lsqlite3, module, context, callback);
|
|
if (*handle == NULL) {
|
|
goto failed;
|
|
}
|
|
lsql_ac = talloc_get_type((*handle)->private_data, struct lsql_context);
|
|
(*handle)->state = LDB_ASYNC_DONE;
|
|
(*handle)->status = LDB_SUCCESS;
|
|
|
|
/* create linearized and normalized dns */
|
|
old_cdn = ldb_dn_linearize(lsql_ac, ldb_dn_casefold(module->ldb, olddn));
|
|
new_cdn = ldb_dn_linearize(lsql_ac, ldb_dn_casefold(module->ldb, newdn));
|
|
new_dn = ldb_dn_linearize(lsql_ac, newdn);
|
|
if (old_cdn == NULL || new_cdn == NULL || new_dn == NULL) {
|
|
goto failed;
|
|
}
|
|
|
|
/* build the SQL query */
|
|
query = lsqlite3_tprintf(lsql_ac,
|
|
"UPDATE ldb_entry SET dn = '%q', norm_dn = '%q' "
|
|
"WHERE norm_dn = '%q';",
|
|
new_dn, new_cdn, old_cdn);
|
|
if (query == NULL) {
|
|
goto failed;
|
|
}
|
|
|
|
/* execute */
|
|
ret = sqlite3_exec(lsqlite3->sqlite, query, NULL, NULL, &errmsg);
|
|
if (ret != SQLITE_OK) {
|
|
if (errmsg) {
|
|
ldb_set_errstring(module->ldb, errmsg);
|
|
free(errmsg);
|
|
}
|
|
ret = LDB_ERR_OPERATIONS_ERROR;
|
|
goto failed;
|
|
}
|
|
|
|
if (lsql_ac->callback)
|
|
(*handle)->status = lsql_ac->callback(module->ldb, lsql_ac->context, NULL);
|
|
|
|
return LDB_SUCCESS;
|
|
|
|
failed:
|
|
talloc_free(*handle);
|
|
return ret;
|
|
}
|
|
|
|
static int lsql_rename(struct ldb_module *module, const struct ldb_dn *olddn, const struct ldb_dn *newdn)
|
|
{
|
|
struct ldb_handle *handle;
|
|
int ret;
|
|
|
|
/* ignore ltdb specials */
|
|
if (ldb_dn_is_special(olddn) || ldb_dn_is_special(newdn)) {
|
|
return LDB_SUCCESS;
|
|
}
|
|
|
|
|
|
ret = lsql_rename_async(module, olddn, newdn, NULL, NULL, &handle);
|
|
|
|
if (ret != LDB_SUCCESS)
|
|
return ret;
|
|
|
|
ret = ldb_wait(handle, LDB_WAIT_ALL);
|
|
|
|
talloc_free(handle);
|
|
return ret;
|
|
}
|
|
|
|
static int lsql_start_trans(struct ldb_module * module)
|
|
{
|
|
int ret;
|
|
char *errmsg;
|
|
struct lsqlite3_private * lsqlite3 = module->private_data;
|
|
|
|
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 = 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 lsql_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,
|
|
struct ldb_context *ldb, const char *url, 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, "sqlite://", 9) != 0) {
|
|
return SQLITE_MISUSE;
|
|
}
|
|
|
|
/* Update pointer to just after the protocol indicator */
|
|
url += 9;
|
|
|
|
/* 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;
|
|
}
|
|
|
|
static int destructor(struct lsqlite3_private *lsqlite3)
|
|
{
|
|
if (lsqlite3->sqlite) {
|
|
sqlite3_close(lsqlite3->sqlite);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int lsql_wait(struct ldb_handle *handle, enum ldb_wait_type type)
|
|
{
|
|
return handle->status;
|
|
}
|
|
|
|
static int lsql_request(struct ldb_module *module, struct ldb_request *req)
|
|
{
|
|
/* check for oustanding critical controls and return an error if found */
|
|
|
|
if (req->controls != NULL) {
|
|
ldb_debug(module->ldb, LDB_DEBUG_WARNING, "Controls should not reach the ldb_sqlite3 backend!\n");
|
|
}
|
|
|
|
if (check_critical_controls(req->controls)) {
|
|
return LDB_ERR_UNSUPPORTED_CRITICAL_EXTENSION;
|
|
}
|
|
|
|
switch (req->operation) {
|
|
|
|
case LDB_SEARCH:
|
|
return lsql_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_ADD:
|
|
return lsql_add(module, req->op.add.message);
|
|
|
|
case LDB_MODIFY:
|
|
return lsql_modify(module, req->op.mod.message);
|
|
|
|
case LDB_DELETE:
|
|
return lsql_delete(module, req->op.del.dn);
|
|
|
|
case LDB_RENAME:
|
|
return lsql_rename(module,
|
|
req->op.rename.olddn,
|
|
req->op.rename.newdn);
|
|
|
|
case LDB_SEARCH:
|
|
return lsql_search_async(module,
|
|
req->op.search.base,
|
|
req->op.search.scope,
|
|
req->op.search.tree,
|
|
req->op.search.attrs,
|
|
req->context,
|
|
req->callback,
|
|
&req->handle);
|
|
/*
|
|
case LDB_ADD:
|
|
return lsql_add_async(module,
|
|
req->op.add.message,
|
|
req->context,
|
|
req->callback,
|
|
&req->handle);
|
|
|
|
case LDB_MODIFY:
|
|
return lsql_modify_async(module,
|
|
req->op.mod.message,
|
|
req->context,
|
|
req->callback,
|
|
&req->handle);
|
|
*/
|
|
case LDB_DELETE:
|
|
return lsql_delete_async(module,
|
|
req->op.del.dn,
|
|
req->context,
|
|
req->callback,
|
|
&req->handle);
|
|
|
|
case LDB_RENAME:
|
|
return lsql_rename_async(module,
|
|
req->op.rename.olddn,
|
|
req->op.rename.newdn,
|
|
req->context,
|
|
req->callback,
|
|
&req->handle);
|
|
|
|
default:
|
|
return LDB_ERR_OPERATIONS_ERROR;
|
|
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Table of operations for the sqlite3 backend
|
|
*/
|
|
static const struct ldb_module_ops lsqlite3_ops = {
|
|
.name = "sqlite",
|
|
.request = lsql_request,
|
|
.start_transaction = lsql_start_trans,
|
|
.end_transaction = lsql_end_trans,
|
|
.del_transaction = lsql_del_trans,
|
|
.wait = lsql_wait,
|
|
};
|
|
|
|
/*
|
|
* 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)
|
|
{
|
|
int i;
|
|
int ret;
|
|
struct lsqlite3_private * lsqlite3 = NULL;
|
|
|
|
lsqlite3 = talloc(ldb, 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);
|
|
|
|
|
|
|
|
*module = talloc(ldb, struct ldb_module);
|
|
if (!module) {
|
|
ldb_oom(ldb);
|
|
goto failed;
|
|
}
|
|
(*module)->ldb = ldb;
|
|
(*module)->prev = (*module)->next = NULL;
|
|
(*module)->private_data = lsqlite3;
|
|
(*module)->ops = &lsqlite3_ops;
|
|
|
|
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;
|
|
}
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
|
|
failed:
|
|
if (lsqlite3->sqlite != NULL) {
|
|
(void) sqlite3_close(lsqlite3->sqlite);
|
|
}
|
|
talloc_free(lsqlite3);
|
|
return -1;
|
|
}
|
|
|
|
int ldb_sqlite3_init(void)
|
|
{
|
|
return ldb_register_backend("sqlite3", lsqlite3_connect);
|
|
}
|