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Diffstat (limited to 'source4/nsswitch/winbindd_rpc.c')
-rw-r--r--source4/nsswitch/winbindd_rpc.c776
1 files changed, 776 insertions, 0 deletions
diff --git a/source4/nsswitch/winbindd_rpc.c b/source4/nsswitch/winbindd_rpc.c
new file mode 100644
index 0000000000..9989f27109
--- /dev/null
+++ b/source4/nsswitch/winbindd_rpc.c
@@ -0,0 +1,776 @@
+/*
+ Unix SMB/CIFS implementation.
+
+ Winbind rpc backend functions
+
+ Copyright (C) Tim Potter 2000-2001,2003
+ Copyright (C) Andrew Tridgell 2001
+
+ 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 "winbindd.h"
+
+#undef DBGC_CLASS
+#define DBGC_CLASS DBGC_WINBIND
+
+
+/* Query display info for a domain. This returns enough information plus a
+ bit extra to give an overview of domain users for the User Manager
+ application. */
+static NTSTATUS query_user_list(struct winbindd_domain *domain,
+ TALLOC_CTX *mem_ctx,
+ uint32 *num_entries,
+ WINBIND_USERINFO **info)
+{
+ CLI_POLICY_HND *hnd;
+ NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
+ POLICY_HND dom_pol;
+ BOOL got_dom_pol = False;
+ uint32 des_access = SEC_RIGHTS_MAXIMUM_ALLOWED;
+ unsigned int i, start_idx, retry;
+
+ DEBUG(3,("rpc: query_user_list\n"));
+
+ *num_entries = 0;
+ *info = NULL;
+
+ retry = 0;
+ do {
+ /* Get sam handle */
+
+ if (!(hnd = cm_get_sam_handle(domain->name)))
+ goto done;
+
+ /* Get domain handle */
+
+ result = cli_samr_open_domain(hnd->cli, mem_ctx, &hnd->pol,
+ des_access, &domain->sid, &dom_pol);
+
+ } while (!NT_STATUS_IS_OK(result) && (retry++ < 1) && hnd && hnd->cli && hnd->cli->fd == -1);
+
+ if (!NT_STATUS_IS_OK(result))
+ goto done;
+
+ got_dom_pol = True;
+
+ i = start_idx = 0;
+ do {
+ TALLOC_CTX *ctx2;
+ char **dom_users;
+ uint32 num_dom_users, *dom_rids, j, size = 0xffff;
+ uint16 acb_mask = ACB_NORMAL;
+
+ if (!(ctx2 = talloc_init("winbindd enum_users"))) {
+ result = NT_STATUS_NO_MEMORY;
+ goto done;
+ }
+
+ result = cli_samr_enum_dom_users(
+ hnd->cli, ctx2, &dom_pol, &start_idx, acb_mask,
+ size, &dom_users, &dom_rids, &num_dom_users);
+
+ *num_entries += num_dom_users;
+
+ *info = talloc_realloc(
+ mem_ctx, *info,
+ (*num_entries) * sizeof(WINBIND_USERINFO));
+
+ if (!(*info)) {
+ result = NT_STATUS_NO_MEMORY;
+ talloc_destroy(ctx2);
+ goto done;
+ }
+
+ for (j = 0; j < num_dom_users; i++, j++) {
+ (*info)[i].acct_name =
+ talloc_strdup(mem_ctx, dom_users[j]);
+ (*info)[i].full_name = talloc_strdup(mem_ctx, "");
+ (*info)[i].user_sid = rid_to_talloced_sid(domain, mem_ctx, dom_rids[j]);
+ /* For the moment we set the primary group for
+ every user to be the Domain Users group.
+ There are serious problems with determining
+ the actual primary group for large domains.
+ This should really be made into a 'winbind
+ force group' smb.conf parameter or
+ something like that. */
+ (*info)[i].group_sid
+ = rid_to_talloced_sid(domain,
+ mem_ctx,
+ DOMAIN_GROUP_RID_USERS);
+ }
+
+ talloc_destroy(ctx2);
+
+ } while (NT_STATUS_EQUAL(result, STATUS_MORE_ENTRIES));
+
+ done:
+
+ if (got_dom_pol)
+ cli_samr_close(hnd->cli, mem_ctx, &dom_pol);
+
+ return result;
+}
+
+/* list all domain groups */
+static NTSTATUS enum_dom_groups(struct winbindd_domain *domain,
+ TALLOC_CTX *mem_ctx,
+ uint32 *num_entries,
+ struct acct_info **info)
+{
+ uint32 des_access = SEC_RIGHTS_MAXIMUM_ALLOWED;
+ CLI_POLICY_HND *hnd;
+ POLICY_HND dom_pol;
+ NTSTATUS status;
+ uint32 start = 0;
+ int retry;
+
+ *num_entries = 0;
+ *info = NULL;
+
+ DEBUG(3,("rpc: enum_dom_groups\n"));
+
+ retry = 0;
+ do {
+ if (!(hnd = cm_get_sam_handle(domain->name)))
+ return NT_STATUS_UNSUCCESSFUL;
+
+ status = cli_samr_open_domain(hnd->cli, mem_ctx,
+ &hnd->pol, des_access, &domain->sid, &dom_pol);
+ } while (!NT_STATUS_IS_OK(status) && (retry++ < 1) && hnd && hnd->cli && hnd->cli->fd == -1);
+
+ if (!NT_STATUS_IS_OK(status))
+ return status;
+
+ do {
+ struct acct_info *info2 = NULL;
+ uint32 count = 0;
+ TALLOC_CTX *mem_ctx2;
+
+ mem_ctx2 = talloc_init("enum_dom_groups[rpc]");
+
+ /* start is updated by this call. */
+ status = cli_samr_enum_dom_groups(hnd->cli, mem_ctx2, &dom_pol,
+ &start,
+ 0xFFFF, /* buffer size? */
+ &info2, &count);
+
+ if (!NT_STATUS_IS_OK(status) &&
+ !NT_STATUS_EQUAL(status, STATUS_MORE_ENTRIES)) {
+ talloc_destroy(mem_ctx2);
+ break;
+ }
+
+ (*info) = talloc_realloc(mem_ctx, *info,
+ sizeof(**info) * ((*num_entries) + count));
+ if (! *info) {
+ talloc_destroy(mem_ctx2);
+ cli_samr_close(hnd->cli, mem_ctx, &dom_pol);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ memcpy(&(*info)[*num_entries], info2, count*sizeof(*info2));
+ (*num_entries) += count;
+ talloc_destroy(mem_ctx2);
+ } while (NT_STATUS_EQUAL(status, STATUS_MORE_ENTRIES));
+
+ cli_samr_close(hnd->cli, mem_ctx, &dom_pol);
+
+ return status;
+}
+
+/* List all domain groups */
+
+static NTSTATUS enum_local_groups(struct winbindd_domain *domain,
+ TALLOC_CTX *mem_ctx,
+ uint32 *num_entries,
+ struct acct_info **info)
+{
+ uint32 des_access = SEC_RIGHTS_MAXIMUM_ALLOWED;
+ CLI_POLICY_HND *hnd;
+ POLICY_HND dom_pol;
+ NTSTATUS result;
+ int retry;
+
+ *num_entries = 0;
+ *info = NULL;
+
+ retry = 0;
+ do {
+ if ( !(hnd = cm_get_sam_handle(domain->name)) )
+ return NT_STATUS_UNSUCCESSFUL;
+
+ result = cli_samr_open_domain( hnd->cli, mem_ctx, &hnd->pol,
+ des_access, &domain->sid, &dom_pol);
+ } while (!NT_STATUS_IS_OK(result) && (retry++ < 1) && hnd && hnd->cli && hnd->cli->fd == -1);
+
+ if ( !NT_STATUS_IS_OK(result))
+ return result;
+
+ do {
+ struct acct_info *info2 = NULL;
+ uint32 count = 0, start = *num_entries;
+ TALLOC_CTX *mem_ctx2;
+
+ mem_ctx2 = talloc_init("enum_dom_local_groups[rpc]");
+
+ result = cli_samr_enum_als_groups( hnd->cli, mem_ctx2, &dom_pol,
+ &start, 0xFFFF, &info2, &count);
+
+ if ( !NT_STATUS_IS_OK(result)
+ && !NT_STATUS_EQUAL(result, STATUS_MORE_ENTRIES) )
+ {
+ talloc_destroy(mem_ctx2);
+ break;
+ }
+
+ (*info) = talloc_realloc(mem_ctx, *info,
+ sizeof(**info) * ((*num_entries) + count));
+ if (! *info) {
+ talloc_destroy(mem_ctx2);
+ cli_samr_close(hnd->cli, mem_ctx, &dom_pol);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ memcpy(&(*info)[*num_entries], info2, count*sizeof(*info2));
+ (*num_entries) += count;
+ talloc_destroy(mem_ctx2);
+ } while (NT_STATUS_EQUAL(result, STATUS_MORE_ENTRIES));
+
+ cli_samr_close(hnd->cli, mem_ctx, &dom_pol);
+
+ return result;
+}
+
+/* convert a single name to a sid in a domain */
+static NTSTATUS name_to_sid(struct winbindd_domain *domain,
+ TALLOC_CTX *mem_ctx,
+ const char *name,
+ DOM_SID *sid,
+ enum SID_NAME_USE *type)
+{
+ CLI_POLICY_HND *hnd;
+ NTSTATUS status;
+ DOM_SID *sids = NULL;
+ uint32 *types = NULL;
+ const char *full_name;
+ int retry;
+
+ DEBUG(3,("rpc: name_to_sid name=%s\n", name));
+
+ full_name = talloc_asprintf(mem_ctx, "%s\\%s", domain->name, name);
+
+ if (!full_name) {
+ DEBUG(0, ("talloc_asprintf failed!\n"));
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ retry = 0;
+ do {
+ if (!(hnd = cm_get_lsa_handle(domain->name))) {
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+
+ status = cli_lsa_lookup_names(hnd->cli, mem_ctx, &hnd->pol, 1,
+ &full_name, &sids, &types);
+ } while (!NT_STATUS_IS_OK(status) && (retry++ < 1) && hnd && hnd->cli && hnd->cli->fd == -1);
+
+ /* Return rid and type if lookup successful */
+
+ if (NT_STATUS_IS_OK(status)) {
+ sid_copy(sid, &sids[0]);
+ *type = types[0];
+ }
+
+ return status;
+}
+
+/*
+ convert a domain SID to a user or group name
+*/
+static NTSTATUS sid_to_name(struct winbindd_domain *domain,
+ TALLOC_CTX *mem_ctx,
+ DOM_SID *sid,
+ char **name,
+ enum SID_NAME_USE *type)
+{
+ CLI_POLICY_HND *hnd;
+ char **domains;
+ char **names;
+ uint32 *types;
+ NTSTATUS status;
+ int retry;
+
+ DEBUG(3,("rpc: sid_to_name\n"));
+
+ retry = 0;
+ do {
+ if (!(hnd = cm_get_lsa_handle(domain->name)))
+ return NT_STATUS_UNSUCCESSFUL;
+
+ status = cli_lsa_lookup_sids(hnd->cli, mem_ctx, &hnd->pol,
+ 1, sid, &domains, &names, &types);
+ } while (!NT_STATUS_IS_OK(status) && (retry++ < 1) && hnd && hnd->cli && hnd->cli->fd == -1);
+
+ if (NT_STATUS_IS_OK(status)) {
+ *type = types[0];
+ *name = names[0];
+ DEBUG(5,("Mapped sid to [%s]\\[%s]\n", domains[0], *name));
+
+ /* Paranoia */
+ if (strcasecmp(domain->name, domains[0]) != 0) {
+ DEBUG(1, ("domain name from domain param and PDC lookup return differ! (%s vs %s)\n", domain->name, domains[0]));
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+ }
+ return status;
+}
+
+/* Lookup user information from a rid or username. */
+static NTSTATUS query_user(struct winbindd_domain *domain,
+ TALLOC_CTX *mem_ctx,
+ DOM_SID *user_sid,
+ WINBIND_USERINFO *user_info)
+{
+ CLI_POLICY_HND *hnd;
+ NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
+ POLICY_HND dom_pol, user_pol;
+ BOOL got_dom_pol = False, got_user_pol = False;
+ SAM_USERINFO_CTR *ctr;
+ int retry;
+ fstring sid_string;
+ uint32 user_rid;
+
+ DEBUG(3,("rpc: query_user rid=%s\n", sid_to_string(sid_string, user_sid)));
+ if (!sid_peek_check_rid(&domain->sid, user_sid, &user_rid)) {
+ goto done;
+ }
+
+ retry = 0;
+ do {
+ /* Get sam handle */
+ if (!(hnd = cm_get_sam_handle(domain->name)))
+ goto done;
+
+ /* Get domain handle */
+
+ result = cli_samr_open_domain(hnd->cli, mem_ctx, &hnd->pol,
+ SEC_RIGHTS_MAXIMUM_ALLOWED,
+ &domain->sid, &dom_pol);
+ } while (!NT_STATUS_IS_OK(result) && (retry++ < 1) && hnd && hnd->cli && hnd->cli->fd == -1);
+
+ if (!NT_STATUS_IS_OK(result))
+ goto done;
+
+ got_dom_pol = True;
+
+ /* Get user handle */
+ result = cli_samr_open_user(hnd->cli, mem_ctx, &dom_pol,
+ SEC_RIGHTS_MAXIMUM_ALLOWED, user_rid, &user_pol);
+
+ if (!NT_STATUS_IS_OK(result))
+ goto done;
+
+ got_user_pol = True;
+
+ /* Get user info */
+ result = cli_samr_query_userinfo(hnd->cli, mem_ctx, &user_pol,
+ 0x15, &ctr);
+
+ if (!NT_STATUS_IS_OK(result))
+ goto done;
+
+ cli_samr_close(hnd->cli, mem_ctx, &user_pol);
+ got_user_pol = False;
+
+ user_info->user_sid = rid_to_talloced_sid(domain, mem_ctx, user_rid);
+ user_info->group_sid = rid_to_talloced_sid(domain, mem_ctx, ctr->info.id21->group_rid);
+ user_info->acct_name = unistr2_tdup(mem_ctx,
+ &ctr->info.id21->uni_user_name);
+ user_info->full_name = unistr2_tdup(mem_ctx,
+ &ctr->info.id21->uni_full_name);
+
+ done:
+ /* Clean up policy handles */
+ if (got_user_pol)
+ cli_samr_close(hnd->cli, mem_ctx, &user_pol);
+
+ if (got_dom_pol)
+ cli_samr_close(hnd->cli, mem_ctx, &dom_pol);
+
+ return result;
+}
+
+/* Lookup groups a user is a member of. I wish Unix had a call like this! */
+static NTSTATUS lookup_usergroups(struct winbindd_domain *domain,
+ TALLOC_CTX *mem_ctx,
+ DOM_SID *user_sid,
+ uint32 *num_groups, DOM_SID ***user_gids)
+{
+ CLI_POLICY_HND *hnd;
+ NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
+ POLICY_HND dom_pol, user_pol;
+ uint32 des_access = SEC_RIGHTS_MAXIMUM_ALLOWED;
+ BOOL got_dom_pol = False, got_user_pol = False;
+ DOM_GID *user_groups;
+ unsigned int i;
+ unsigned int retry;
+ fstring sid_string;
+ uint32 user_rid;
+
+ DEBUG(3,("rpc: lookup_usergroups sid=%s\n", sid_to_string(sid_string, user_sid)));
+
+ *num_groups = 0;
+
+ /* First try cached universal groups from logon */
+ *user_gids = uni_group_cache_fetch(&domain->sid, user_sid, mem_ctx, num_groups);
+ if((*num_groups > 0) && *user_gids) {
+ return NT_STATUS_OK;
+ } else {
+ *user_gids = NULL;
+ *num_groups = 0;
+ }
+
+ retry = 0;
+ do {
+ /* Get sam handle */
+ if (!(hnd = cm_get_sam_handle(domain->name)))
+ goto done;
+
+ /* Get domain handle */
+ result = cli_samr_open_domain(hnd->cli, mem_ctx, &hnd->pol,
+ des_access, &domain->sid, &dom_pol);
+ } while (!NT_STATUS_IS_OK(result) && (retry++ < 1) && hnd && hnd->cli && hnd->cli->fd == -1);
+
+ if (!NT_STATUS_IS_OK(result))
+ goto done;
+
+ got_dom_pol = True;
+
+
+ if (!sid_peek_check_rid(&domain->sid, user_sid, &user_rid)) {
+ goto done;
+ }
+
+ /* Get user handle */
+ result = cli_samr_open_user(hnd->cli, mem_ctx, &dom_pol,
+ des_access, user_rid, &user_pol);
+
+ if (!NT_STATUS_IS_OK(result))
+ goto done;
+
+ got_user_pol = True;
+
+ /* Query user rids */
+ result = cli_samr_query_usergroups(hnd->cli, mem_ctx, &user_pol,
+ num_groups, &user_groups);
+
+ if (!NT_STATUS_IS_OK(result) || (*num_groups) == 0)
+ goto done;
+
+ (*user_gids) = talloc(mem_ctx, sizeof(uint32) * (*num_groups));
+ if (!(*user_gids)) {
+ result = NT_STATUS_NO_MEMORY;
+ goto done;
+ }
+
+ for (i=0;i<(*num_groups);i++) {
+ (*user_gids)[i] = rid_to_talloced_sid(domain, mem_ctx, user_groups[i].g_rid);
+ }
+
+ done:
+ /* Clean up policy handles */
+ if (got_user_pol)
+ cli_samr_close(hnd->cli, mem_ctx, &user_pol);
+
+ if (got_dom_pol)
+ cli_samr_close(hnd->cli, mem_ctx, &dom_pol);
+
+ return result;
+}
+
+
+/* Lookup group membership given a rid. */
+static NTSTATUS lookup_groupmem(struct winbindd_domain *domain,
+ TALLOC_CTX *mem_ctx,
+ DOM_SID *group_sid, uint32 *num_names,
+ DOM_SID ***sid_mem, char ***names,
+ uint32 **name_types)
+{
+ CLI_POLICY_HND *hnd;
+ NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
+ uint32 i, total_names = 0;
+ POLICY_HND dom_pol, group_pol;
+ uint32 des_access = SEC_RIGHTS_MAXIMUM_ALLOWED;
+ BOOL got_dom_pol = False, got_group_pol = False;
+ uint32 *rid_mem = NULL;
+ uint32 group_rid;
+ int retry;
+ unsigned int j;
+ fstring sid_string;
+
+ DEBUG(10,("rpc: lookup_groupmem %s sid=%s\n", domain->name, sid_to_string(sid_string, group_sid)));
+
+ if (!sid_peek_check_rid(&domain->sid, group_sid, &group_rid)) {
+ goto done;
+ }
+
+ *num_names = 0;
+
+ retry = 0;
+ do {
+ /* Get sam handle */
+ if (!(hnd = cm_get_sam_handle(domain->name)))
+ goto done;
+
+ /* Get domain handle */
+
+ result = cli_samr_open_domain(hnd->cli, mem_ctx, &hnd->pol,
+ des_access, &domain->sid, &dom_pol);
+ } while (!NT_STATUS_IS_OK(result) && (retry++ < 1) && hnd && hnd->cli && hnd->cli->fd == -1);
+
+ if (!NT_STATUS_IS_OK(result))
+ goto done;
+
+ got_dom_pol = True;
+
+ /* Get group handle */
+
+ result = cli_samr_open_group(hnd->cli, mem_ctx, &dom_pol,
+ des_access, group_rid, &group_pol);
+
+ if (!NT_STATUS_IS_OK(result))
+ goto done;
+
+ got_group_pol = True;
+
+ /* Step #1: Get a list of user rids that are the members of the
+ group. */
+
+ result = cli_samr_query_groupmem(hnd->cli, mem_ctx,
+ &group_pol, num_names, &rid_mem,
+ name_types);
+
+ if (!NT_STATUS_IS_OK(result))
+ goto done;
+
+ /* Step #2: Convert list of rids into list of usernames. Do this
+ in bunches of ~1000 to avoid crashing NT4. It looks like there
+ is a buffer overflow or something like that lurking around
+ somewhere. */
+
+#define MAX_LOOKUP_RIDS 900
+
+ *names = talloc_zero(mem_ctx, *num_names * sizeof(char *));
+ *name_types = talloc_zero(mem_ctx, *num_names * sizeof(uint32));
+ *sid_mem = talloc_zero(mem_ctx, *num_names * sizeof(DOM_SID *));
+
+ for (j=0;j<(*num_names);j++) {
+ (*sid_mem)[j] = rid_to_talloced_sid(domain, mem_ctx, (rid_mem)[j]);
+ }
+
+ if (!*names || !*name_types) {
+ result = NT_STATUS_NO_MEMORY;
+ goto done;
+ }
+
+ for (i = 0; i < *num_names; i += MAX_LOOKUP_RIDS) {
+ int num_lookup_rids = MIN(*num_names - i, MAX_LOOKUP_RIDS);
+ uint32 tmp_num_names = 0;
+ char **tmp_names = NULL;
+ uint32 *tmp_types = NULL;
+
+ /* Lookup a chunk of rids */
+
+ result = cli_samr_lookup_rids(hnd->cli, mem_ctx,
+ &dom_pol, 1000, /* flags */
+ num_lookup_rids,
+ &rid_mem[i],
+ &tmp_num_names,
+ &tmp_names, &tmp_types);
+
+ if (!NT_STATUS_IS_OK(result))
+ goto done;
+
+ /* Copy result into array. The talloc system will take
+ care of freeing the temporary arrays later on. */
+
+ memcpy(&(*names)[i], tmp_names, sizeof(char *) *
+ tmp_num_names);
+
+ memcpy(&(*name_types)[i], tmp_types, sizeof(uint32) *
+ tmp_num_names);
+
+ total_names += tmp_num_names;
+ }
+
+ *num_names = total_names;
+
+ done:
+ if (got_group_pol)
+ cli_samr_close(hnd->cli, mem_ctx, &group_pol);
+
+ if (got_dom_pol)
+ cli_samr_close(hnd->cli, mem_ctx, &dom_pol);
+
+ return result;
+}
+
+/* find the sequence number for a domain */
+static NTSTATUS sequence_number(struct winbindd_domain *domain, uint32 *seq)
+{
+ TALLOC_CTX *mem_ctx;
+ CLI_POLICY_HND *hnd;
+ SAM_UNK_CTR ctr;
+ uint16 switch_value = 2;
+ NTSTATUS result;
+ uint32 seqnum = DOM_SEQUENCE_NONE;
+ POLICY_HND dom_pol;
+ BOOL got_dom_pol = False;
+ uint32 des_access = SEC_RIGHTS_MAXIMUM_ALLOWED;
+ int retry;
+
+ DEBUG(10,("rpc: fetch sequence_number for %s\n", domain->name));
+
+ *seq = DOM_SEQUENCE_NONE;
+
+ if (!(mem_ctx = talloc_init("sequence_number[rpc]")))
+ return NT_STATUS_NO_MEMORY;
+
+ retry = 0;
+ do {
+ /* Get sam handle */
+ if (!(hnd = cm_get_sam_handle(domain->name)))
+ goto done;
+
+ /* Get domain handle */
+ result = cli_samr_open_domain(hnd->cli, mem_ctx, &hnd->pol,
+ des_access, &domain->sid, &dom_pol);
+ } while (!NT_STATUS_IS_OK(result) && (retry++ < 1) && hnd && hnd->cli && hnd->cli->fd == -1);
+
+ if (!NT_STATUS_IS_OK(result))
+ goto done;
+
+ got_dom_pol = True;
+
+ /* Query domain info */
+
+ result = cli_samr_query_dom_info(hnd->cli, mem_ctx, &dom_pol,
+ switch_value, &ctr);
+
+ if (NT_STATUS_IS_OK(result)) {
+ seqnum = ctr.info.inf2.seq_num;
+ DEBUG(10,("domain_sequence_number: for domain %s is %u\n", domain->name, (unsigned)seqnum ));
+ } else {
+ DEBUG(10,("domain_sequence_number: failed to get sequence number (%u) for domain %s\n",
+ (unsigned)seqnum, domain->name ));
+ }
+
+ done:
+
+ if (got_dom_pol)
+ cli_samr_close(hnd->cli, mem_ctx, &dom_pol);
+
+ talloc_destroy(mem_ctx);
+
+ *seq = seqnum;
+
+ return result;
+}
+
+/* get a list of trusted domains */
+static NTSTATUS trusted_domains(struct winbindd_domain *domain,
+ TALLOC_CTX *mem_ctx,
+ uint32 *num_domains,
+ char ***names,
+ char ***alt_names,
+ DOM_SID **dom_sids)
+{
+ CLI_POLICY_HND *hnd;
+ NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
+ uint32 enum_ctx = 0;
+ int retry;
+
+ DEBUG(3,("rpc: trusted_domains\n"));
+
+ *num_domains = 0;
+ *alt_names = NULL;
+
+ retry = 0;
+ do {
+ if (!(hnd = cm_get_lsa_handle(lp_workgroup())))
+ goto done;
+
+ result = cli_lsa_enum_trust_dom(hnd->cli, mem_ctx,
+ &hnd->pol, &enum_ctx,
+ num_domains, names, dom_sids);
+ } while (!NT_STATUS_IS_OK(result) && (retry++ < 1) && hnd && hnd->cli && hnd->cli->fd == -1);
+
+done:
+ return result;
+}
+
+/* find the domain sid for a domain */
+static NTSTATUS domain_sid(struct winbindd_domain *domain, DOM_SID *sid)
+{
+ NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
+ TALLOC_CTX *mem_ctx;
+ CLI_POLICY_HND *hnd;
+ fstring level5_dom;
+ int retry;
+
+ DEBUG(3,("rpc: domain_sid\n"));
+
+ if (!(mem_ctx = talloc_init("domain_sid[rpc]")))
+ return NT_STATUS_NO_MEMORY;
+
+ retry = 0;
+ do {
+ /* Get sam handle */
+ if (!(hnd = cm_get_lsa_handle(domain->name)))
+ goto done;
+
+ status = cli_lsa_query_info_policy(hnd->cli, mem_ctx,
+ &hnd->pol, 0x05, level5_dom, sid);
+ } while (!NT_STATUS_IS_OK(status) && (retry++ < 1) && hnd && hnd->cli && hnd->cli->fd == -1);
+
+done:
+ talloc_destroy(mem_ctx);
+ return status;
+}
+
+/* find alternate names list for the domain - none for rpc */
+static NTSTATUS alternate_name(struct winbindd_domain *domain)
+{
+ return NT_STATUS_OK;
+}
+
+
+/* the rpc backend methods are exposed via this structure */
+struct winbindd_methods msrpc_methods = {
+ False,
+ query_user_list,
+ enum_dom_groups,
+ enum_local_groups,
+ name_to_sid,
+ sid_to_name,
+ query_user,
+ lookup_usergroups,
+ lookup_groupmem,
+ sequence_number,
+ trusted_domains,
+ domain_sid,
+ alternate_name
+};