Author: idra Date: 2006-07-23 18:47:56 +0000 (Sun, 23 Jul 2006) New Revision: 17207
WebSVN: http://websvn.samba.org/cgi-bin/viewcvs.cgi?view=rev&root=samba&rev=17207 Log: Add the ldb based shares configuration module Added: branches/SAMBA_4_0/source/param/share_ldb.c Modified: branches/SAMBA_4_0/source/param/config.mk Changeset: Modified: branches/SAMBA_4_0/source/param/config.mk =================================================================== --- branches/SAMBA_4_0/source/param/config.mk 2006-07-23 18:43:07 UTC (rev 17206) +++ branches/SAMBA_4_0/source/param/config.mk 2006-07-23 18:47:56 UTC (rev 17207) @@ -33,3 +33,13 @@ # End MODULE share_classic ################################################ +################################################ +# Start MODULE share_ldb +[MODULE::share_ldb] +SUBSYSTEM = share +INIT_FUNCTION = share_ldb_init +OBJ_FILES = share_ldb.o +PUBLIC_DEPENDENCIES = ldb +# End MODULE share_ldb +################################################ + Added: branches/SAMBA_4_0/source/param/share_ldb.c =================================================================== --- branches/SAMBA_4_0/source/param/share_ldb.c 2006-07-23 18:43:07 UTC (rev 17206) +++ branches/SAMBA_4_0/source/param/share_ldb.c 2006-07-23 18:47:56 UTC (rev 17207) @@ -0,0 +1,281 @@ +/* + Unix SMB/CIFS implementation. + + LDB based services configuration + + Copyright (C) Simo Sorce 2006 + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program 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 General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +*/ + +#include "includes.h" +#include "ldb/include/ldb.h" +#include "ldb/include/ldb_errors.h" +#include "auth/auth.h" +#include "db_wrap.h" +#include "param/share.h" + +static NTSTATUS sldb_init(TALLOC_CTX *mem_ctx, const struct share_ops *ops, struct share_context **ctx) +{ + struct ldb_context *sdb; + + *ctx = talloc(mem_ctx, struct share_context); + if (!*ctx) { + DEBUG(0, ("ERROR: Out of memory!\n")); + return NT_STATUS_NO_MEMORY; + } + + sdb = ldb_wrap_connect( *ctx, + private_path(*ctx, "share.ldb"), + system_session(*ctx), + NULL, 0, NULL); + + if (!sdb) { + talloc_free(*ctx); + return NT_STATUS_UNSUCCESSFUL; + } + + (*ctx)->ops = ops; + (*ctx)->priv_data = (void *)sdb; + + return NT_STATUS_OK; +} + +static const char *sldb_string_option(struct share_config *scfg, const char *opt_name, const char *defval) +{ + struct ldb_message *msg; + struct ldb_message_element *el; + + if (scfg == NULL) return defval; + + msg = talloc_get_type(scfg->opaque, struct ldb_message); + + if (strchr(opt_name, ':')) { + char *name, *p; + + name = talloc_strdup(scfg, opt_name); + if (!name) { + return NULL; + } + p = strchr(name, ':'); + *p = '-'; + + el = ldb_msg_find_element(msg, name); + } else { + el = ldb_msg_find_element(msg, opt_name); + } + + if (el == NULL) { + return defval; + } + + return (const char *)(el->values[0].data); +} + +static int sldb_int_option(struct share_config *scfg, const char *opt_name, int defval) +{ + const char *val; + int ret; + + val = sldb_string_option(scfg, opt_name, NULL); + if (val == NULL) return defval; + + errno = 0; + ret = (int)strtol(val, NULL, 10); + if (errno) return -1; + + return ret; +} + +static BOOL sldb_bool_option(struct share_config *scfg, const char *opt_name, BOOL defval) +{ + const char *val; + + val = sldb_string_option(scfg, opt_name, NULL); + if (val == NULL) return defval; + + if (strcasecmp(val, "true") == 0) return True; + + return False; +} + +static const char **sldb_string_list_option(TALLOC_CTX *mem_ctx, struct share_config *scfg, const char *opt_name) +{ + struct ldb_message *msg; + struct ldb_message_element *el; + const char **list; + int i; + + if (scfg == NULL) return NULL; + + msg = talloc_get_type(scfg->opaque, struct ldb_message); + + if (strchr(opt_name, ':')) { + char *name, *p; + + name = talloc_strdup(scfg, opt_name); + if (!name) { + return NULL; + } + p = strchr(name, ':'); + *p = '-'; + + el = ldb_msg_find_element(msg, name); + } else { + el = ldb_msg_find_element(msg, opt_name); + } + + if (el == NULL) { + return NULL; + } + + list = talloc_array(mem_ctx, const char *, el->num_values + 1); + if (!list) return NULL; + + for (i = 0; i < el->num_values; i++) { + list[i] = (const char *)(el->values[i].data); + } + list[i] = NULL; + + return list; +} + +static NTSTATUS sldb_list_all(TALLOC_CTX *mem_ctx, + struct share_context *ctx, + int *count, + const char ***names) +{ + int ret, i, j; + const char **n; + struct ldb_context *ldb; + struct ldb_result *res; + TALLOC_CTX *tmp_ctx; + + tmp_ctx = talloc_new(mem_ctx); + if (!tmp_ctx) { + DEBUG(0,("ERROR: Out of memory!\n")); + return NT_STATUS_NO_MEMORY; + } + + ldb = talloc_get_type(ctx->priv_data, struct ldb_context); + + ret = ldb_search(ldb, ldb_dn_explode(tmp_ctx, "CN=SHARES"), LDB_SCOPE_SUBTREE, "(name=*)", NULL, &res); + if (ret != LDB_SUCCESS) { + talloc_free(tmp_ctx); + return NT_STATUS_UNSUCCESSFUL; + } + talloc_steal(tmp_ctx, res); + + n = talloc_array(mem_ctx, const char *, res->count); + if (!n) { + DEBUG(0,("ERROR: Out of memory!\n")); + talloc_free(tmp_ctx); + return NT_STATUS_NO_MEMORY; + } + + for (i = 0, j = 0; i < res->count; i++) { + n[j] = talloc_strdup(n, ldb_msg_find_string(res->msgs[i], "name", NULL)); + if (!n[j]) { + DEBUG(0,("WARNING: Malformed share object in share database\n!")); + continue; + } + j++; + } + + *names = n; + *count = j; + talloc_free(tmp_ctx); + + return NT_STATUS_OK; +} + +static NTSTATUS sldb_get_config(TALLOC_CTX *mem_ctx, + struct share_context *ctx, + const char *name, + struct share_config **scfg) +{ + int ret; + struct share_config *s; + struct ldb_context *ldb; + struct ldb_result *res; + TALLOC_CTX *tmp_ctx; + char *filter; + + tmp_ctx = talloc_new(mem_ctx); + if (!tmp_ctx) { + DEBUG(0,("ERROR: Out of memory!\n")); + return NT_STATUS_NO_MEMORY; + } + + ldb = talloc_get_type(ctx->priv_data, struct ldb_context); + + filter = talloc_asprintf(tmp_ctx,"(name=%s)", name); + if (!filter) { + DEBUG(0,("ERROR: Out of memory!\n")); + talloc_free(tmp_ctx); + return NT_STATUS_NO_MEMORY; + } + ret = ldb_search(ldb, ldb_dn_explode(tmp_ctx, "CN=SHARES"), LDB_SCOPE_SUBTREE, filter, NULL, &res); + if (ret != LDB_SUCCESS || res->count != 1) { + talloc_free(tmp_ctx); + return NT_STATUS_OBJECT_NAME_NOT_FOUND; + } + talloc_steal(tmp_ctx, res); + + s = talloc(tmp_ctx, struct share_config); + if (!s) { + DEBUG(0,("ERROR: Out of memory!\n")); + talloc_free(tmp_ctx); + return NT_STATUS_NO_MEMORY; + } + + s->name = talloc_strdup(s, ldb_msg_find_string(res->msgs[0], "name", NULL)); + if (!s->name) { + DEBUG(0,("ERROR: Invalid share object!\n")); + talloc_free(tmp_ctx); + return NT_STATUS_UNSUCCESSFUL; + } + + s->opaque = talloc_steal(s, res->msgs[0]); + if (!s->opaque) { + DEBUG(0,("ERROR: Invalid share object!\n")); + talloc_free(tmp_ctx); + return NT_STATUS_UNSUCCESSFUL; + } + + s->ctx = ctx; + + *scfg = talloc_steal(mem_ctx, s); + + talloc_free(tmp_ctx); + return NT_STATUS_OK; +} + +NTSTATUS share_ldb_init(void *mem_ctx) +{ + struct share_ops ops; + + ops.name = "ldb"; + ops.init = sldb_init; + ops.string_option = sldb_string_option; + ops.int_option = sldb_int_option; + ops.bool_option = sldb_bool_option; + ops.string_list_option = sldb_string_list_option; + ops.list_all = sldb_list_all; + ops.get_config = sldb_get_config; + + return share_register(&ops); +} +
