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/*
* Unix SMB/CIFS implementation.
* Group Policy Object Support
* Copyright (C) Jelmer Vernooij 2008
* Copyright (C) Wilco Baan Hofman 2008-2010
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
#include "param/param.h"
#include "lib/ldb/include/ldb.h"
#include "lib/ldb_wrap.h"
#include "auth/credentials/credentials.h"
#include "../librpc/gen_ndr/nbt.h"
#include "libcli/libcli.h"
#include "libnet/libnet.h"
#include "gpo.h"
NTSTATUS gp_init(TALLOC_CTX *mem_ctx,
struct loadparm_context *lp_ctx,
struct cli_credentials *credentials,
struct tevent_context *ev_ctx,
struct gp_context **gp_ctx)
{
struct libnet_LookupDCs *io;
char *url;
struct libnet_context *net_ctx;
struct ldb_context *ldb_ctx;
NTSTATUS rv;
/* Initialise the libnet context */
net_ctx = libnet_context_init(ev_ctx, lp_ctx);
net_ctx->cred = credentials;
/* Prepare libnet lookup structure for looking a DC (PDC is correct). */
io = talloc_zero(mem_ctx, struct libnet_LookupDCs);
io->in.name_type = NBT_NAME_PDC;
io->in.domain_name = lp_workgroup(lp_ctx);
/* Find Active DC's */
rv = libnet_LookupDCs(net_ctx, mem_ctx, io);
if (!NT_STATUS_IS_OK(rv)) {
DEBUG(0, ("Failed to lookup DCs in domain\n"));
return rv;
}
/* Connect to ldap://DC_NAME with all relevant contexts*/
url = talloc_asprintf(mem_ctx, "ldap://%s", io->out.dcs[0].name);
ldb_ctx = ldb_wrap_connect(mem_ctx, net_ctx->event_ctx, lp_ctx,
url, NULL, net_ctx->cred, 0);
if (ldb_ctx == NULL) {
return NT_STATUS_UNSUCCESSFUL;
}
talloc_free(net_ctx);
*gp_ctx = talloc_zero(mem_ctx, struct gp_context);
(*gp_ctx)->lp_ctx = lp_ctx;
(*gp_ctx)->credentials = credentials;
(*gp_ctx)->ev_ctx = ev_ctx;
(*gp_ctx)->ldb_ctx = ldb_ctx;
return NT_STATUS_OK;
}
NTSTATUS gp_list_all_gpos(struct gp_context *gp_ctx, struct gp_object ***ret)
{
struct ldb_result *result;
int rv;
TALLOC_CTX *mem_ctx;
struct ldb_dn *dn;
struct gp_object **gpo;
unsigned int i, j; /* same as in struct ldb_result */
/* Create a forked memory context, as a base for everything here */
mem_ctx = talloc_new(gp_ctx);
dn = ldb_get_default_basedn(gp_ctx->ldb_ctx);
rv = ldb_dn_add_child(dn, ldb_dn_new(mem_ctx, gp_ctx->ldb_ctx, "CN=Policies,CN=System"));
if (!rv) {
DEBUG(0, ("Can't append subtree to DN\n"));
return NT_STATUS_UNSUCCESSFUL;
}
DEBUG(10, ("Searching for policies in DN: %s\n", ldb_dn_get_linearized(dn)));
rv = ldb_search(gp_ctx->ldb_ctx, mem_ctx, &result, dn, LDB_SCOPE_ONELEVEL, NULL, "(objectClass=groupPolicyContainer)");
if (rv != LDB_SUCCESS) {
DEBUG(0, ("LDB search failed: %s\n%s\n", ldb_strerror(rv),ldb_errstring(gp_ctx->ldb_ctx)));
return NT_STATUS_UNSUCCESSFUL;
}
gpo = talloc_array(gp_ctx, struct gp_object *, result->count+1);
gpo[result->count] = NULL;
for (i = 0; i < result->count; i++) {
gpo[i] = talloc(gp_ctx, struct gp_object);
gpo[i]->dn = ldb_dn_get_linearized(result->msgs[i]->dn);
DEBUG(9, ("Parsing GPO LDAP data for %s\n", gpo[i]->dn));
for (j = 0; j < result->msgs[i]->num_elements; j++) {
struct ldb_message_element *element = &result->msgs[i]->elements[j];
if (strcmp(element->name, "displayName") == 0) {
SMB_ASSERT(element->num_values > 0);
gpo[i]->display_name = talloc_strdup(gp_ctx, (char *)element->values[0].data);
DEBUG(10, ("Found displayname: %s\n", gpo[i]->display_name));
}
if (strcmp(element->name, "name") == 0) {
SMB_ASSERT(element->num_values > 0);
gpo[i]->name = talloc_strdup(gp_ctx, (char *)element->values[0].data);
DEBUG(10, ("Found name: %s\n", gpo[i]->name));
}
if (strcmp(element->name, "flags") == 0) {
char *end;
SMB_ASSERT(element->num_values > 0);
gpo[i]->flags = (uint32_t) strtoll((char *)element->values[0].data, &end, 0);
SMB_ASSERT(*end == 0);
DEBUG(10, ("Found flags: %d\n", gpo[i]->flags));
}
if (strcmp(element->name, "versionNumber") == 0) {
char *end;
SMB_ASSERT(element->num_values > 0);
gpo[i]->version = (uint32_t) strtoll((char *)element->values[0].data, &end, 0);
SMB_ASSERT(*end == 0);
DEBUG(10, ("Found version: %d\n", gpo[i]->version));
}
if (strcmp(element->name, "gPCFileSysPath") == 0) {
SMB_ASSERT(element->num_values > 0);
gpo[i]->file_sys_path = talloc_strdup(gp_ctx, (char *)element->values[0].data);
DEBUG(10, ("Found file system path: %s\n", gpo[i]->file_sys_path));
}
}
}
*ret = gpo;
talloc_free(mem_ctx);
return NT_STATUS_OK;
}
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