From: Jelmer Vernooij Date: Wed, 24 Aug 2005 22:06:26 +0000 (+0000) Subject: r9595: Add ldb map module X-Git-Tag: samba-misc-tags/initial-v4-0-unstable~7503 X-Git-Url: http://git.samba.org/?p=samba.git;a=commitdiff_plain;h=e0a0d3f092d601a22b7549a0278735e66239b301;hp=b8c52900636515d1215ae79a70416db93ce4531c r9595: Add ldb map module --- diff --git a/source/include/structs.h b/source/include/structs.h index cac46c030f7..047e32e739c 100644 --- a/source/include/structs.h +++ b/source/include/structs.h @@ -280,3 +280,5 @@ struct samba3_policy; struct samba3_regdb; struct samba3_secrets; struct samba3; + +struct ldb_map_mappings; diff --git a/source/lib/ldb/config.mk b/source/lib/ldb/config.mk index d3f60b74cae..76059b3b608 100644 --- a/source/lib/ldb/config.mk +++ b/source/lib/ldb/config.mk @@ -37,6 +37,14 @@ NOPROTO = YES # End MODULE libldb_ildap ################################################ +################################################ +# Start MODULE libldb_map +[MODULE::libldb_map] +SUBSYSTEM = LIBLDB +INIT_OBJ_FILES = lib/ldb/ldb_map/ldb_map.o +# End MODULE libldb_map +################################################ + ################################################ # Start MODULE libldb_sqlite3 [MODULE::libldb_sqlite3] diff --git a/source/lib/ldb/ldb_map/ldb_map.c b/source/lib/ldb/ldb_map/ldb_map.c new file mode 100644 index 00000000000..39bab2c4c62 --- /dev/null +++ b/source/lib/ldb/ldb_map/ldb_map.c @@ -0,0 +1,238 @@ +/* + ldb database library - map backend + + Copyright (C) Jelmer Vernooij 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 +*/ + +#include "includes.h" +#include "lib/ldb/include/ldb.h" +#include "lib/ldb/include/ldb_private.h" +#include "lib/ldb/ldb_map/ldb_map.h" + +struct map_private { + struct ldb_map_mappings *mappings; +}; + +static struct ldb_dn *ldb_map_dn(struct ldb_module *module, const struct ldb_dn *dn) +{ + /* FIXME */ + return NULL; +} + +static char *ldb_map_expression(struct ldb_module *module, const char *expr) +{ + /* FIXME */ + return NULL; +} + +static const char **ldb_map_attrs(struct ldb_module *module, const char *const attrs[]) +{ + /* FIXME */ + return NULL; +} + +static struct ldb_message *ldb_map_message_incoming(struct ldb_module *module, const struct ldb_message *mi) +{ + /* FIXME */ + return NULL; +} + +static struct ldb_message *ldb_map_message_outgoing(struct ldb_module *module, const struct ldb_message *mi) +{ + /* FIXME */ + return NULL; +} + +/* + rename a record +*/ +static int map_rename(struct ldb_module *module, const struct ldb_dn *olddn, const struct ldb_dn *newdn) +{ + struct ldb_dn *n_olddn, *n_newdn; + int ret; + + n_olddn = ldb_map_dn(module, olddn); + n_newdn = ldb_map_dn(module, newdn); + + ret = ldb_next_rename_record(module, n_olddn, n_newdn); + + talloc_free(n_olddn); + talloc_free(n_newdn); + + return ret; +} + +/* + delete a record +*/ +static int map_delete(struct ldb_module *module, const struct ldb_dn *dn) +{ + struct ldb_dn *newdn; + int ret; + + newdn = ldb_map_dn(module, dn); + + ret = ldb_next_delete_record(module, newdn); + + talloc_free(newdn); + + return ret; +} + + +/* + search for matching records +*/ +static int map_search(struct ldb_module *module, const struct ldb_dn *base, + enum ldb_scope scope, const char *expression, + const char * const *attrs, struct ldb_message ***res) +{ + char *newexpr; + int ret; + const char **newattrs; + struct ldb_dn *new_base; + struct ldb_message **newres; + int i; + + newexpr = ldb_map_expression(module, expression); + newattrs = ldb_map_attrs(module, attrs); + new_base = ldb_map_dn(module, base); + + ret = ldb_next_search(module, new_base, scope, newexpr, newattrs, &newres); + + talloc_free(new_base); + talloc_free(newexpr); + talloc_free(newattrs); + + for (i = 0; i < ret; i++) { + *res[i] = ldb_map_message_incoming(module, newres[i]); + talloc_free(newres[i]); + } + + return ret; +} + +/* + add a record +*/ +static int map_add(struct ldb_module *module, const struct ldb_message *msg) +{ + struct ldb_message *nmsg = ldb_map_message_outgoing(module, msg); + int ret; + + ret = ldb_next_add_record(module, nmsg); + + talloc_free(nmsg); + + return ret; +} + + +/* + search for matching records using a ldb_parse_tree +*/ +static int map_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) +{ + struct map_private *privdat = module->private_data; + char *expression; + int ret; + + expression = ldb_filter_from_tree(privdat, tree); + if (expression == NULL) { + return -1; + } + ret = map_search(module, base, scope, expression, attrs, res); + talloc_free(expression); + return ret; +} + +/* + modify a record +*/ +static int map_modify(struct ldb_module *module, const struct ldb_message *msg) +{ + struct ldb_message *nmsg = ldb_map_message_outgoing(module, msg); + int ret; + + ret = ldb_next_modify_record(module, nmsg); + + talloc_free(nmsg); + + return ret; +} + +static int map_lock(struct ldb_module *module, const char *lockname) +{ + return ldb_next_named_lock(module, lockname); +} + +static int map_unlock(struct ldb_module *module, const char *lockname) +{ + return ldb_next_named_unlock(module, lockname); +} + +/* + return extended error information +*/ +static const char *map_errstring(struct ldb_module *module) +{ + return ldb_next_errstring(module); +} + +static const struct ldb_module_ops map_ops = { + .name = "map", + .search = map_search, + .search_bytree = map_search_bytree, + .add_record = map_add, + .modify_record = map_modify, + .delete_record = map_delete, + .rename_record = map_rename, + .named_lock = map_lock, + .named_unlock = map_unlock, + .errstring = map_errstring +}; + +/* the init function */ +struct ldb_module *ldb_map_init(struct ldb_context *ldb, struct ldb_map_mappings *mappings, const char *options[]) +{ + struct ldb_module *ctx; + struct map_private *data; + + ctx = talloc(ldb, struct ldb_module); + if (!ctx) + return NULL; + + data = talloc(ctx, struct map_private); + if (!data) { + talloc_free(ctx); + return NULL; + } + + data->mappings = mappings; + ctx->private_data = data; + ctx->ldb = ldb; + ctx->prev = ctx->next = NULL; + ctx->ops = &map_ops; + + return ctx; +} diff --git a/source/lib/ldb/ldb_map/ldb_map.h b/source/lib/ldb/ldb_map/ldb_map.h index 6d6e47873c1..3ebf2fa9d12 100644 --- a/source/lib/ldb/ldb_map/ldb_map.h +++ b/source/lib/ldb/ldb_map/ldb_map.h @@ -1,29 +1,33 @@ -struct objectclass_mapping { - char *local_name; - char *remote_name; +/* + ldb database library - map backend - char *key; /* Name of attribute used in rdn */ + Copyright (C) Jelmer Vernooij 2005 - /* For mapping attributes used in searches */ - struct local_attribute_mapping { - char *local_name; + ** 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. - /* Attributes to request from the server for this attribute, - * needed by generate */ - char *required_attributes[]; + 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. - /* If not set, the value for the first element of - * required_attributes will simply be used here */ - struct ldb_message_element *(*generate) (LDAPMessage *msg); - } *local_attribute_mappings; + 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 +*/ - /* Generate LDAPMod for adds and modifies */ - LDAPMod *(*generate_mod)(struct ldb_message *); -} +#ifndef __LDB_MAP_H__ +#define __LDB_MAP_H__ + +struct ldb_map_mappings +{ -struct ldb_map_backend { - struct objectclass_mapping *objectclass_mappings; }; -const char *ldb_map_dn(const char *old); -const char *ldb_map_rdn(const char *old); +#endif /* __LDB_MAP_H__ */ diff --git a/source/lib/samba3/config.mk b/source/lib/samba3/config.mk index 75073048d0a..b5bf3fadb92 100644 --- a/source/lib/samba3/config.mk +++ b/source/lib/samba3/config.mk @@ -10,7 +10,8 @@ ADD_OBJ_FILES = \ lib/samba3/samba3.o \ lib/samba3/group.o \ lib/samba3/registry.o \ - lib/samba3/secrets.o + lib/samba3/secrets.o \ + lib/samba3/ldb_samba3.o # End SUBSYSTEM LIBSAMBA3 ################################################ diff --git a/source/lib/ldb/samba/ldb_samba3.c b/source/lib/samba3/ldb_samba3.c similarity index 67% rename from source/lib/ldb/samba/ldb_samba3.c rename to source/lib/samba3/ldb_samba3.c index 6a7bfc62988..fa13daa6116 100644 --- a/source/lib/ldb/samba/ldb_samba3.c +++ b/source/lib/samba3/ldb_samba3.c @@ -27,3 +27,24 @@ #include "ldb/include/ldb.h" #include "ldb/include/ldb_private.h" +/* + * sambaGroupMapping -> group + * gidNumber -> ??? + * sambaSID -> member + * sambaGroupType -> groupType + * displayName -> name + * description -> description + * sambaSIDList -> member + */ + +struct ldb_map_mappings samba3_mappings; + +/* the init function */ +#ifdef HAVE_DLOPEN_DISABLED + struct ldb_module *init_module(struct ldb_context *ldb, const char *options[]) +#else +struct ldb_module *ldb_samba3_module_init(struct ldb_context *ldb, const char *options[]) +#endif +{ + return ldb_map_init(ldb, &samba3_mappings, options); +}