#include <sys/stat.h>
#include <unistd.h>
-#define LDB_MODULE_PREFIX "modules"
-#define LDB_MODULE_PREFIX_LEN 7
-#define LDB_MODULE_SEP ':'
+#ifdef HAVE_DLOPEN_DISABLED
+#include <dlfcn.h>
+#endif
+
+#define LDB_MODULE_PREFIX "modules:"
+#define LDB_MODULE_PREFIX_LEN 8
+
+static char *talloc_strdup_no_spaces(struct ldb_context *ldb, const char *string)
+{
+ int i, len;
+ char *trimmed;
+
+ trimmed = talloc_strdup(ldb, string);
+ if (!trimmed) {
+ ldb_debug(ldb, LDB_DEBUG_FATAL, "Out of Memory in talloc_strdup_trim_spaces()\n");
+ return NULL;
+ }
+
+ len = strlen(trimmed);
+ for (i = 0; trimmed[i] != '\0'; i++) {
+ switch (trimmed[i]) {
+ case ' ':
+ case '\t':
+ case '\n':
+ memmove(&trimmed[i], &trimmed[i + 1], len -i -1);
+ break;
+ }
+ }
+
+ return trimmed;
+}
+
+
+/* modules are called in inverse order on the stack.
+ Lets place them as an admin would think the right order is.
+ Modules order is imprtant */
+static char **ldb_modules_list_from_string(struct ldb_context *ldb, const char *string)
+{
+ char **modules = NULL;
+ char *modstr, *p;
+ int i;
+
+ /* spaces not admitted */
+ modstr = talloc_strdup_no_spaces(ldb, string);
+ if ( ! modstr) {
+ return NULL;
+ }
+
+ modules = talloc_realloc(ldb, modules, char *, 2);
+ if ( ! modules ) {
+ ldb_debug(ldb, LDB_DEBUG_FATAL, "Out of Memory in ldb_modules_list_from_string()\n");
+ talloc_free(modstr);
+ return NULL;
+ }
+ talloc_steal(modules, modstr);
+
+ i = 0;
+ while ((p = strrchr(modstr, ',')) != NULL) {
+ *p = '\0';
+ p++;
+ modules[i] = p;
+
+ i++;
+ modules = talloc_realloc(ldb, modules, char *, i + 2);
+ if ( ! modules ) {
+ ldb_debug(ldb, LDB_DEBUG_FATAL, "Out of Memory in ldb_modules_list_from_string()\n");
+ return NULL;
+ }
+
+ }
+ modules[i] = modstr;
+
+ modules[i + 1] = NULL;
+
+ return modules;
+}
int ldb_load_modules(struct ldb_context *ldb, const char *options[])
{
- struct ldb_module *current;
- char **modules;
- char *p, *q;
- int pn, i;
+ char **modules = NULL;
+ int i;
/* find out which modules we are requested to activate */
- modules = NULL;
- pn = 0;
+ /* check if we have a custom module list passd as ldb option */
if (options) {
for (i = 0; options[i] != NULL; i++) {
- if (strncmp(options[i], LDB_MODULE_PREFIX,
- LDB_MODULE_PREFIX_LEN) == 0) {
- p = q = talloc_strdup(ldb, &options[i][LDB_MODULE_PREFIX_LEN]);
- if (*q != ':') {
- talloc_free(q);
- return -1;
- }
- do {
- *p = '\0';
- q = p + 1;
- pn++;
- modules = talloc_realloc_p(ldb, modules, char *, pn);
- if (!modules) {
- ldb_debug(ldb, LDB_DEBUG_FATAL, "Out of Memory in register_modules()\n");
- return -1;
- }
- modules[pn - 1] = q;
- } while ((p = strchr(q, LDB_MODULE_SEP)));
+ if (strncmp(options[i], LDB_MODULE_PREFIX, LDB_MODULE_PREFIX_LEN) == 0) {
+ modules = ldb_modules_list_from_string(ldb, &options[i][LDB_MODULE_PREFIX_LEN]);
}
}
}
- if (!modules && strcmp("ldap", ldb->modules->ops->name)) {
- /* no modules in the options, look for @MODULES in the
- db (not for ldap) */
- int ret, j, k;
- const char * const attrs[] = { "@MODULE" , NULL};
+ /* if not overloaded by options and the backend is not ldap try to load the modules list form ldb */
+ if ((modules == NULL) && (strcmp("ldap", ldb->modules->ops->name) != 0)) {
+ int ret;
+ const char * const attrs[] = { "@LIST" , NULL};
struct ldb_message **msg = NULL;
+ struct ldb_dn *mods;
+
+ mods = ldb_dn_explode(ldb, "@MODULES");
+ if (mods == NULL) {
+ return -1;
+ }
- ret = ldb_search(ldb, "", LDB_SCOPE_BASE, "dn=@MODULES", attrs, &msg);
- if (ret == 0) {
+ ret = ldb_search(ldb, mods, LDB_SCOPE_BASE, "", attrs, &msg);
+ talloc_free(mods);
+ if (ret == 0 || (ret == 1 && msg[0]->num_elements == 0)) {
ldb_debug(ldb, LDB_DEBUG_TRACE, "no modules required by the db\n");
} else {
if (ret < 0) {
}
if (ret > 1) {
ldb_debug(ldb, LDB_DEBUG_FATAL, "Too many records found, bailing out\n");
+ talloc_free(msg);
return -1;
}
- for (j = 0; j < msg[0]->num_elements; j++) {
- for (k = 0; k < msg[0]->elements[j].num_values; k++) {
- pn++;
- modules = talloc_realloc_p(ldb, modules, char *, pn);
- if (!modules) {
- ldb_debug(ldb, LDB_DEBUG_FATAL, "Out of Memory in register_modules()\n");
- return -1;
- }
- modules[pn - 1] = talloc_strndup(modules, msg[0]->elements[j].values[k].data, msg[0]->elements[j].values[k].length);
- if (!modules[pn - 1]) {
- ldb_debug(ldb, LDB_DEBUG_FATAL, "Out of Memory in register_modules()\n");
- return -1;
- }
- }
- }
+ modules = ldb_modules_list_from_string(ldb, msg[0]->elements[0].values[0].data);
+
}
+
talloc_free(msg);
}
- if (modules) {
- for (i = 0; i < pn; i++) {
- if (strcmp(modules[i], "timestamps") == 0) {
- current = timestamps_module_init(ldb, options);
- if (!current) {
- ldb_debug(ldb, LDB_DEBUG_FATAL, "function 'init_module' in %s fails\n", modules[i]);
- return -1;
- }
- DLIST_ADD(ldb->modules, current);
- continue;
- }
+ if (modules == NULL) {
+ ldb_debug(ldb, LDB_DEBUG_TRACE, "No modules specified for this database\n");
+ return 0;
+ }
- if (strcmp(modules[i], "schema") == 0) {
- current = schema_module_init(ldb, options);
- if (!current) {
- ldb_debug(ldb, LDB_DEBUG_FATAL, "function 'init_module' in %s fails\n", modules[i]);
- return -1;
- }
- DLIST_ADD(ldb->modules, current);
- continue;
- }
+ for (i = 0; modules[i] != NULL; i++) {
+ struct ldb_module *current;
-#ifdef HAVE_DLOPEN_DISABLED
- {
- void *handle;
- ldb_module_init_function init;
- struct stat st;
- const char *errstr;
-
- if (stat(modules[i], &st) < 0) {
- ldb_debug(ldb, LDB_DEBUG_FATAL, "Required module [%s] not found, bailing out!\n", modules[i]);
+ if (strcmp(modules[i], "schema") == 0) {
+ current = schema_module_init(ldb, options);
+ if (!current) {
+ ldb_debug(ldb, LDB_DEBUG_FATAL, "function 'init_module' in %s fails\n", modules[i]);
return -1;
}
+ DLIST_ADD(ldb->modules, current);
+ continue;
+ }
- handle = dlopen(modules[i], RTLD_LAZY);
+ if (strcmp(modules[i], "timestamps") == 0) {
+ current = timestamps_module_init(ldb, options);
+ if (!current) {
+ ldb_debug(ldb, LDB_DEBUG_FATAL, "function 'init_module' in %s fails\n", modules[i]);
+ return -1;
+ }
+ DLIST_ADD(ldb->modules, current);
+ continue;
+ }
- if (!handle) {
- ldb_debug(ldb, LDB_DEBUG_FATAL, "Error loading module %s [%s]\n", modules[i], dlerror());
+ if (strcmp(modules[i], "rdn_name") == 0) {
+ current = rdn_name_module_init(ldb, options);
+ if (!current) {
+ ldb_debug(ldb, LDB_DEBUG_FATAL, "function 'init_module' in %s fails\n", modules[i]);
return -1;
}
+ DLIST_ADD(ldb->modules, current);
+ continue;
+ }
- init = (ldb_module_init_function)dlsym(handle, "init_module");
+#ifdef _SAMBA_BUILD_
+ if (strcmp(modules[i], "objectguid") == 0) {
+ current = objectguid_module_init(ldb, options);
+ if (!current) {
+ ldb_debug(ldb, LDB_DEBUG_FATAL, "function 'init_module' in %s fails\n", modules[i]);
+ return -1;
+ }
+ DLIST_ADD(ldb->modules, current);
+ continue;
+ }
- errstr = dlerror();
- if (errstr) {
- ldb_debug(ldb, LDB_DEBUG_FATAL, "Error trying to resolve symbol 'init_module' in %s [%s]\n", modules[i], errstr);
+ if (strcmp(modules[i], "samldb") == 0) {
+ current = samldb_module_init(ldb, options);
+ if (!current) {
+ ldb_debug(ldb, LDB_DEBUG_FATAL, "function 'init_module' in %s fails\n", modules[i]);
return -1;
}
+ DLIST_ADD(ldb->modules, current);
+ continue;
+ }
- current = init(ldb, options);
+ if (strcmp(modules[i], "samba3sam") == 0) {
+ current = ldb_samba3sam_module_init(ldb, options);
if (!current) {
ldb_debug(ldb, LDB_DEBUG_FATAL, "function 'init_module' in %s fails\n", modules[i]);
return -1;
}
DLIST_ADD(ldb->modules, current);
+ continue;
}
-#else
- ldb_debug(ldb, LDB_DEBUG_FATAL, "Required module [%s] not found, bailing out!\n", modules[i]);
- return -1;
+
#endif
- }
+
+ ldb_debug(ldb, LDB_DEBUG_WARNING, "WARNING: Module [%s] not found\n", modules[i]);
}
+ talloc_free(modules);
return 0;
}
/*
helper functions to call the next module in chain
*/
-int ldb_next_close(struct ldb_module *module)
-{
- if (!module->next) {
- return -1;
- }
- return module->next->ops->close(module->next);
-}
int ldb_next_search(struct ldb_module *module,
- const char *base,
- enum ldb_scope scope,
- const char *expression,
- const char * const *attrs, struct ldb_message ***res)
+ const struct ldb_dn *base,
+ enum ldb_scope scope,
+ const char *expression,
+ const char * const *attrs, struct ldb_message ***res)
{
if (!module->next) {
return -1;
return module->next->ops->search(module->next, base, scope, expression, attrs, res);
}
-int ldb_next_search_free(struct ldb_module *module, struct ldb_message **msg)
+int ldb_next_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_message ***res)
{
if (!module->next) {
return -1;
}
- return module->next->ops->search_free(module->next, msg);
+ return module->next->ops->search_bytree(module->next, base, scope, tree, attrs, res);
}
int ldb_next_add_record(struct ldb_module *module, const struct ldb_message *message)
return module->next->ops->modify_record(module->next, message);
}
-int ldb_next_delete_record(struct ldb_module *module, const char *dn)
+int ldb_next_delete_record(struct ldb_module *module, const struct ldb_dn *dn)
{
if (!module->next) {
return -1;
return module->next->ops->delete_record(module->next, dn);
}
-int ldb_next_rename_record(struct ldb_module *module, const char *olddn, const char *newdn)
+int ldb_next_rename_record(struct ldb_module *module, const struct ldb_dn *olddn, const struct ldb_dn *newdn)
{
if (!module->next) {
return -1;
git.samba.org / sfrench / samba-autobuild / .git / blobdiff