/*
- Unix SMB/Netbios implementation.
+ Unix SMB/CIFS implementation.
Winbind rpc backend functions
- Copyright (C) Tim Potter 2000-2001
+ Copyright (C) Tim Potter 2000-2001,2003
Copyright (C) Andrew Tridgell 2001
This program is free software; you can redistribute it and/or modify
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
+#include "includes.h"
#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 winbindd_query_dispinfo(struct winbindd_domain *domain,
- TALLOC_CTX *mem_ctx,
- uint32 *start_ndx, uint32 *num_entries,
- WINBIND_DISPINFO **info)
+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;
- SAM_DISPINFO_CTR ctr;
- SAM_DISPINFO_1 info1;
- int i;
+ unsigned int i, start_idx, retry;
+ uint32 loop_count;
- /* Get sam handle */
+ DEBUG(3,("rpc: query_user_list\n"));
- if (!(hnd = cm_get_sam_handle(domain->name)))
- goto done;
+ *num_entries = 0;
+ *info = NULL;
+
+ retry = 0;
+ do {
+ /* Get sam handle */
- /* Get domain handle */
+ if ( !NT_STATUS_IS_OK(result = cm_get_sam_handle(domain, &hnd)) )
+ return result;
- result = cli_samr_open_domain(hnd->cli, mem_ctx, &hnd->pol,
- des_access, &domain->sid, &dom_pol);
+ /* 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;
- ctr.sam.info1 = &info1;
+ i = start_idx = 0;
+ loop_count = 0;
- /* Query display info level 1 */
- result = cli_samr_query_dispinfo(hnd->cli, mem_ctx,
- &dom_pol, start_ndx, 1,
- num_entries, 0xffff, &ctr);
+ do {
+ TALLOC_CTX *ctx2;
+ uint32 num_dom_users, j;
+ uint32 max_entries, max_size;
+ SAM_DISPINFO_CTR ctr;
+ SAM_DISPINFO_1 info1;
- /* now map the result into the WINBIND_DISPINFO structure */
- (*info) = (WINBIND_DISPINFO *)talloc(mem_ctx, (*num_entries)*sizeof(WINBIND_DISPINFO));
- if (!(*info)) {
- return NT_STATUS_NO_MEMORY;
- }
+ ZERO_STRUCT( ctr );
+ ZERO_STRUCT( info1 );
+ ctr.sam.info1 = &info1;
+
+ if (!(ctx2 = talloc_init("winbindd enum_users"))) {
+ result = NT_STATUS_NO_MEMORY;
+ goto done;
+ }
- for (i=0;i<*num_entries;i++) {
- (*info)[i].acct_name = unistr2_tdup(mem_ctx, &info1.str[i].uni_acct_name);
- (*info)[i].full_name = unistr2_tdup(mem_ctx, &info1.str[i].uni_full_name);
- (*info)[i].user_rid = info1.sam[i].rid_user;
- /* 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_rid = DOMAIN_GROUP_RID_USERS;
- }
+ /* this next bit is copied from net_user_list_internal() */
+
+ get_query_dispinfo_params( loop_count, &max_entries, &max_size );
+
+ result = cli_samr_query_dispinfo(hnd->cli, mem_ctx, &dom_pol,
+ &start_idx, 1, &num_dom_users, max_entries, max_size, &ctr);
+
+ loop_count++;
+
+ *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++) {
+ fstring username, fullname;
+ uint32 rid = ctr.sam.info1->sam[j].rid_user;
+
+ unistr2_to_ascii( username, &(&ctr.sam.info1->str[j])->uni_acct_name, sizeof(username)-1);
+ unistr2_to_ascii( fullname, &(&ctr.sam.info1->str[j])->uni_full_name, sizeof(fullname)-1);
+
+ (*info)[i].acct_name = talloc_strdup(mem_ctx, username );
+ (*info)[i].full_name = talloc_strdup(mem_ctx, fullname );
+ (*info)[i].user_sid = rid_to_talloced_sid(domain, mem_ctx, rid );
+
+ /* 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:
}
/* list all domain groups */
-static NTSTATUS winbindd_enum_dom_groups(struct winbindd_domain *domain,
- TALLOC_CTX *mem_ctx,
- uint32 *start_ndx, uint32 *num_entries,
- struct acct_info **info)
+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;
+ NTSTATUS result;
*num_entries = 0;
+ *info = NULL;
- if (!(hnd = cm_get_sam_handle(domain->name))) {
- return NT_STATUS_UNSUCCESSFUL;
- }
+ DEBUG(3,("rpc: enum_dom_groups\n"));
+
+ retry = 0;
+ do {
+ if (!NT_STATUS_IS_OK(result = cm_get_sam_handle(domain, &hnd)))
+ return result;
+
+ 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);
- status = cli_samr_open_domain(hnd->cli, mem_ctx,
- &hnd->pol, des_access, &domain->sid, &dom_pol);
- if (!NT_STATUS_IS_OK(status)) {
+ if (!NT_STATUS_IS_OK(status))
return status;
- }
- status = cli_samr_enum_dom_groups(hnd->cli, mem_ctx, &dom_pol,
- start_ndx,
- 0x8000, /* buffer size? */
- info, num_entries);
+ 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 ( !NT_STATUS_IS_OK(result = cm_get_sam_handle(domain, &hnd)) )
+ return result;
+
+ 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 result;
+ 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;
+ }
+
+ DEBUG(3,("name_to_sid [rpc] %s for domain %s\n", name, domain->name ));
+
+ retry = 0;
+ do {
+ if (!NT_STATUS_IS_OK(result = cm_get_lsa_handle(domain, &hnd))) {
+ return result;
+ }
+
+ result = cli_lsa_lookup_names(hnd->cli, mem_ctx, &hnd->pol, 1,
+ &full_name, &sids, &types);
+ } while (!NT_STATUS_IS_OK(result) && (retry++ < 1) &&
+ hnd && hnd->cli && hnd->cli->fd == -1);
+
+ /* Return rid and type if lookup successful */
+
+ if (NT_STATUS_IS_OK(result)) {
+ sid_copy(sid, &sids[0]);
+ *type = (enum SID_NAME_USE)types[0];
+ }
+
+ return result;
+}
+
+/*
+ convert a domain SID to a user or group name
+*/
+static NTSTATUS sid_to_name(struct winbindd_domain *domain,
+ TALLOC_CTX *mem_ctx,
+ const DOM_SID *sid,
+ char **name,
+ enum SID_NAME_USE *type)
+{
+ CLI_POLICY_HND *hnd;
+ char **domains;
+ char **names;
+ uint32 *types;
+ NTSTATUS result;
+ int retry;
+
+ DEBUG(3,("sid_to_name [rpc] %s for domain %s\n", sid_string_static(sid),
+ domain->name ));
+
+ retry = 0;
+ do {
+ if (!NT_STATUS_IS_OK(result = cm_get_lsa_handle(domain, &hnd)))
+ return result;
+
+ result = cli_lsa_lookup_sids(hnd->cli, mem_ctx, &hnd->pol,
+ 1, sid, &domains, &names, &types);
+ } while (!NT_STATUS_IS_OK(result) && (retry++ < 1) &&
+ hnd && hnd->cli && hnd->cli->fd == -1);
+
+ if (NT_STATUS_IS_OK(result)) {
+ *type = (enum SID_NAME_USE)types[0];
+ *name = names[0];
+ DEBUG(5,("Mapped sid to [%s]\\[%s]\n", domains[0], *name));
+
+ /* Paranoia */
+ if (!strequal(domain->name, domains[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 result;
+}
+
+/* Lookup user information from a rid or username. */
+static NTSTATUS query_user(struct winbindd_domain *domain,
+ TALLOC_CTX *mem_ctx,
+ const DOM_SID *user_sid,
+ WINBIND_USERINFO *user_info)
+{
+ CLI_POLICY_HND *hnd = NULL;
+ 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;
+ NET_USER_INFO_3 *user;
+
+ 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;
+ }
+
+ /* try netsamlogon cache first */
+
+ if ( (user = netsamlogon_cache_get( mem_ctx, user_sid )) != NULL )
+ {
+
+ DEBUG(5,("query_user: Cache lookup succeeded for %s\n",
+ sid_string_static(user_sid)));
+
+ user_info->user_sid = rid_to_talloced_sid( domain, mem_ctx, user_rid );
+ user_info->group_sid = rid_to_talloced_sid( domain, mem_ctx, user->group_rid );
+
+ user_info->acct_name = unistr2_tdup(mem_ctx, &user->uni_user_name);
+ user_info->full_name = unistr2_tdup(mem_ctx, &user->uni_full_name);
+
+ SAFE_FREE(user);
+
+ return NT_STATUS_OK;
+ }
+
+ /* no cache; hit the wire */
+
+ retry = 0;
+ do {
+ /* Get sam handle; if we fail here there is no hope */
+
+ if (!NT_STATUS_IS_OK(result = cm_get_sam_handle(domain, &hnd)))
+ 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,
+ const DOM_SID *user_sid,
+ uint32 *num_groups, DOM_SID ***user_grpsids)
+{
+ 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;
+ NET_USER_INFO_3 *user;
+
+ DEBUG(3,("rpc: lookup_usergroups sid=%s\n", sid_to_string(sid_string, user_sid)));
+
+ *num_groups = 0;
+ *user_grpsids = NULL;
+
+ /* so lets see if we have a cached user_info_3 */
+
+ if ( (user = netsamlogon_cache_get( mem_ctx, user_sid )) != NULL )
+ {
+ DEBUG(5,("query_user: Cache lookup succeeded for %s\n",
+ sid_string_static(user_sid)));
+
+ *num_groups = user->num_groups;
+
+ (*user_grpsids) = talloc(mem_ctx, sizeof(DOM_SID*) * (*num_groups));
+ for (i=0;i<(*num_groups);i++) {
+ (*user_grpsids)[i] = rid_to_talloced_sid(domain, mem_ctx, user->gids[i].g_rid);
+ }
+
+ SAFE_FREE(user);
+
+ return NT_STATUS_OK;
+ }
+
+ /* no cache; hit the wire */
+
+ retry = 0;
+ do {
+ /* Get sam handle; if we fail here there is no hope */
+
+ if (!NT_STATUS_IS_OK(result = cm_get_sam_handle(domain, &hnd)))
+ 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_grpsids) = talloc(mem_ctx, sizeof(DOM_SID*) * (*num_groups));
+ if (!(*user_grpsids)) {
+ result = NT_STATUS_NO_MEMORY;
+ goto done;
+ }
+
+ for (i=0;i<(*num_groups);i++) {
+ (*user_grpsids)[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,
+ const DOM_SID *group_sid, uint32 *num_names,
+ DOM_SID ***sid_mem, char ***names,
+ uint32 **name_types)
+{
+ CLI_POLICY_HND *hnd = NULL;
+ 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 (!NT_STATUS_IS_OK(result = cm_get_sam_handle(domain, &hnd)))
+ 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;
+
+ if (!*num_names) {
+ names = NULL;
+ name_types = NULL;
+ sid_mem = NULL;
+ 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 (*num_names>0 && (!*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);
+
+ /* see if we have a real error (and yes the STATUS_SOME_UNMAPPED is
+ the one returned from 2k) */
+
+ if (!NT_STATUS_IS_OK(result) && NT_STATUS_V(result) != NT_STATUS_V(STATUS_SOME_UNMAPPED))
+ 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;
+
+ result = NT_STATUS_OK;
+
+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;
+}
+
+#ifdef HAVE_LDAP
+
+#include <ldap.h>
+
+static SIG_ATOMIC_T gotalarm;
+
+/***************************************************************
+ Signal function to tell us we timed out.
+****************************************************************/
+
+static void gotalarm_sig(void)
+{
+ gotalarm = 1;
+}
+
+static LDAP *ldap_open_with_timeout(const char *server, int port, unsigned int to)
+{
+ LDAP *ldp = NULL;
+
+ /* Setup timeout */
+ gotalarm = 0;
+ CatchSignal(SIGALRM, SIGNAL_CAST gotalarm_sig);
+ alarm(to);
+ /* End setup timeout. */
+
+ ldp = ldap_open(server, port);
+
+ /* Teardown timeout. */
+ CatchSignal(SIGALRM, SIGNAL_CAST SIG_IGN);
+ alarm(0);
+
+ return ldp;
+}
+
+static int get_ldap_seq(const char *server, int port, uint32 *seq)
+{
+ int ret = -1;
+ struct timeval to;
+ char *attrs[] = {"highestCommittedUSN", NULL};
+ LDAPMessage *res = NULL;
+ char **values = NULL;
+ LDAP *ldp = NULL;
+
+ *seq = DOM_SEQUENCE_NONE;
+
+ /*
+ * 10 second timeout on open. This is needed as the search timeout
+ * doesn't seem to apply to doing an open as well. JRA.
+ */
+
+ if ((ldp = ldap_open_with_timeout(server, port, 10)) == NULL)
+ return -1;
+
+ /* Timeout if no response within 20 seconds. */
+ to.tv_sec = 10;
+ to.tv_usec = 0;
+
+ if (ldap_search_st(ldp, "", LDAP_SCOPE_BASE, "(objectclass=*)", &attrs[0], 0, &to, &res))
+ goto done;
+
+ if (ldap_count_entries(ldp, res) != 1)
+ goto done;
+
+ values = ldap_get_values(ldp, res, "highestCommittedUSN");
+ if (!values || !values[0])
+ goto done;
+
+ *seq = atoi(values[0]);
+ ret = 0;
+
+ done:
+
+ if (values)
+ ldap_value_free(values);
+ if (res)
+ ldap_msgfree(res);
+ if (ldp)
+ ldap_unbind(ldp);
+ return ret;
+}
+
+/**********************************************************************
+ Get the sequence number for a Windows AD native mode domain using
+ LDAP queries
+**********************************************************************/
+
+static int get_ldap_sequence_number( const char* domain, uint32 *seq)
+{
+ int ret = -1;
+ int i, port = LDAP_PORT;
+ struct ip_service *ip_list = NULL;
+ int count;
+
+ if ( !get_sorted_dc_list(domain, &ip_list, &count, False) ) {
+ DEBUG(3, ("Could not look up dc's for domain %s\n", domain));
+ return False;
+ }
+
+ /* Finally return first DC that we can contact */
+
+ for (i = 0; i < count; i++) {
+ fstring ipstr;
+
+ /* since the is an LDAP lookup, default to the LDAP_PORT is not set */
+ port = (ip_list[i].port!= PORT_NONE) ? ip_list[i].port : LDAP_PORT;
+
+ fstrcpy( ipstr, inet_ntoa(ip_list[i].ip) );
+
+ if (is_zero_ip(ip_list[i].ip))
+ continue;
+
+ if ( (ret = get_ldap_seq( ipstr, port, seq)) == 0 )
+ goto done;
+
+ /* add to failed connection cache */
+ add_failed_connection_entry( domain, ipstr, NT_STATUS_UNSUCCESSFUL );
+ }
+
+done:
+ if ( ret == 0 ) {
+ DEBUG(3, ("get_ldap_sequence_number: Retrieved sequence number for Domain (%s) from DC (%s:%d)\n",
+ domain, inet_ntoa(ip_list[i].ip), port));
+ }
+
+ SAFE_FREE(ip_list);
+
+ return ret;
+}
+
+#endif /* HAVE_LDAP */
+
+/* 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;
+ 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 {
+#ifdef HAVE_LDAP
+ if ( domain->native_mode )
+ {
+ DEBUG(8,("using get_ldap_seq() to retrieve the sequence number\n"));
+
+ if ( get_ldap_sequence_number( domain->name, seq ) == 0 ) {
+ result = NT_STATUS_OK;
+ DEBUG(10,("domain_sequence_number: LDAP for domain %s is %u\n",
+ domain->name, *seq));
+ goto done;
+ }
+
+ DEBUG(10,("domain_sequence_number: failed to get LDAP sequence number for domain %s\n",
+ domain->name ));
+ }
+#endif /* HAVE_LDAP */
+ /* Get sam handle */
+ if (!NT_STATUS_IS_OK(result = cm_get_sam_handle(domain, &hnd)))
+ 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)) {
+ *seq = ctr.info.inf2.seq_num;
+ DEBUG(10,("domain_sequence_number: for domain %s is %u\n", domain->name, (unsigned)*seq));
+ } else {
+ DEBUG(10,("domain_sequence_number: failed to get sequence number (%u) for domain %s\n",
+ (unsigned)*seq, domain->name ));
+ }
+
+ done:
+
+ if (got_dom_pol)
+ cli_samr_close(hnd->cli, mem_ctx, &dom_pol);
+
+ talloc_destroy(mem_ctx);
+
+ 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 (!NT_STATUS_IS_OK(result = cm_get_lsa_handle(find_our_domain(), &hnd)))
+ 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 result = NT_STATUS_UNSUCCESSFUL;
+ TALLOC_CTX *mem_ctx;
+ CLI_POLICY_HND *hnd;
+ char *level5_dom;
+ DOM_SID *alloc_sid;
+ 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 lsa handle */
+ if (!NT_STATUS_IS_OK(result = cm_get_lsa_handle(domain, &hnd)))
+ goto done;
+
+ result = cli_lsa_query_info_policy(hnd->cli, mem_ctx,
+ &hnd->pol, 0x05, &level5_dom, &alloc_sid);
+ } while (!NT_STATUS_IS_OK(result) && (retry++ < 1) && hnd && hnd->cli && hnd->cli->fd == -1);
+
+ if (NT_STATUS_IS_OK(result)) {
+ if (alloc_sid) {
+ sid_copy(sid, alloc_sid);
+ } else {
+ result = NT_STATUS_NO_MEMORY;
+ }
+ }
+
+done:
+ talloc_destroy(mem_ctx);
+ return result;
+}
+
+/* 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 = {
- winbindd_query_dispinfo,
- winbindd_enum_dom_groups
+ 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
};
-
git.samba.org / samba.git / blobdiff