bool sid_check_is_in_our_domain(const struct dom_sid *sid)
{
struct dom_sid dom_sid;
sid_copy(&dom_sid, sid);
sid_split_rid(&dom_sid, NULL);
return sid_check_is_domain(&dom_sid);
}
bool sid_check_is_in_our_domain(const DOM_SID *sid)
{
DOM_SID dom_sid;
uint32 rid;
sid_copy(&dom_sid, sid);
sid_split_rid(&dom_sid, &rid);
return sid_check_is_domain(&dom_sid);
}
BOOL sid_check_is_in_our_domain(const DOM_SID *sid)
{
DOM_SID dom_sid;
uint32 rid;
sid_copy(&dom_sid, sid);
sid_split_rid(&dom_sid, &rid);
return sid_equal(&dom_sid, get_global_sam_sid());
}
bool sid_check_is_in_unix_groups(const DOM_SID *sid)
{
DOM_SID dom_sid;
uint32 rid;
sid_copy(&dom_sid, sid);
sid_split_rid(&dom_sid, &rid);
return sid_check_is_unix_groups(&dom_sid);
}
BOOL sid_check_is_in_builtin(const DOM_SID *sid)
{
DOM_SID dom_sid;
uint32 rid;
sid_copy(&dom_sid, sid);
sid_split_rid(&dom_sid, &rid);
return sid_equal(&dom_sid, &global_sid_Builtin);
}
BOOL lookup_sid(DOM_SID *sid, fstring dom_name, fstring name, enum SID_NAME_USE *name_type)
{
if (!name_type)
return False;
*name_type = SID_NAME_UNKNOWN;
/* Check if this is our own sid. This should perhaps be done by
winbind? For the moment handle it here. */
if (sid->num_auths == 5) {
DOM_SID tmp_sid;
uint32 rid;
sid_copy(&tmp_sid, sid);
sid_split_rid(&tmp_sid, &rid);
if (sid_equal(&global_sam_sid, &tmp_sid)) {
return map_domain_sid_to_name(&tmp_sid, dom_name) &&
local_lookup_rid(rid, name, name_type);
}
}
if (!winbind_lookup_sid(sid, dom_name, name, name_type)) {
fstring sid_str;
DOM_SID tmp_sid;
uint32 rid;
DEBUG(10,("lookup_sid: winbind lookup for SID %s failed - trying local.\n", sid_to_string(sid_str, sid) ));
sid_copy(&tmp_sid, sid);
sid_split_rid(&tmp_sid, &rid);
return map_domain_sid_to_name(&tmp_sid, dom_name) &&
lookup_known_rid(&tmp_sid, rid, name, name_type);
}
return True;
}
bool non_mappable_sid(struct dom_sid *sid)
{
struct dom_sid dom;
sid_copy(&dom, sid);
sid_split_rid(&dom, NULL);
if (dom_sid_equal(&dom, &global_sid_Builtin))
return True;
if (dom_sid_equal(&dom, &global_sid_NT_Authority))
return True;
return False;
}
bool non_mappable_sid(DOM_SID *sid)
{
DOM_SID dom;
uint32 rid;
sid_copy(&dom, sid);
sid_split_rid(&dom, &rid);
if (sid_equal(&dom, &global_sid_Builtin))
return True;
if (sid_equal(&dom, &global_sid_NT_Authority))
return True;
return False;
}
/*
form the DN for a mapping entry from a SID
*/
static struct ldb_dn *mapping_dn(TALLOC_CTX *mem_ctx, const DOM_SID *sid)
{
fstring string_sid;
uint32_t rid;
DOM_SID domsid;
sid_copy(&domsid, sid);
if (!sid_split_rid(&domsid, &rid)) {
return NULL;
}
if (!sid_to_fstring(string_sid, &domsid)) {
return NULL;
}
/* we split by domain and rid so we can do a subtree search
when we only want one domain */
return ldb_dn_string_compose(mem_ctx, NULL, "rid=%u,domain=%s",
rid, string_sid);
}
enum winbindd_result winbindd_lookupsid(struct winbindd_cli_state *state)
{
extern DOM_SID global_sid_Builtin;
enum SID_NAME_USE type;
DOM_SID sid, tmp_sid;
uint32 rid;
fstring name;
fstring dom_name;
/* Ensure null termination */
state->request.data.sid[sizeof(state->request.data.sid)-1]='\0';
DEBUG(3, ("[%5lu]: lookupsid %s\n", (unsigned long)state->pid,
state->request.data.sid));
/* Lookup sid from PDC using lsa_lookup_sids() */
if (!string_to_sid(&sid, state->request.data.sid)) {
DEBUG(5, ("%s not a SID\n", state->request.data.sid));
return WINBINDD_ERROR;
}
/* Don't look up BUILTIN sids */
sid_copy(&tmp_sid, &sid);
sid_split_rid(&tmp_sid, &rid);
if (sid_equal(&tmp_sid, &global_sid_Builtin)) {
return WINBINDD_ERROR;
}
/* Lookup the sid */
if (!winbindd_lookup_name_by_sid(&sid, dom_name, name, &type)) {
return WINBINDD_ERROR;
}
fstrcpy(state->response.data.name.dom_name, dom_name);
fstrcpy(state->response.data.name.name, name);
state->response.data.name.type = type;
return WINBINDD_OK;
}
bool lookup_wellknown_sid(TALLOC_CTX *mem_ctx, const struct dom_sid *sid,
const char **domain, const char **name)
{
int i;
struct dom_sid dom_sid;
uint32_t rid;
const struct rid_name_map *users = NULL;
sid_copy(&dom_sid, sid);
if (!sid_split_rid(&dom_sid, &rid)) {
DEBUG(2, ("Could not split rid from SID\n"));
return False;
}
for (i=0; special_domains[i].sid != NULL; i++) {
if (dom_sid_equal(&dom_sid, special_domains[i].sid)) {
*domain = talloc_strdup(mem_ctx,
special_domains[i].name);
users = special_domains[i].known_users;
break;
}
}
if (users == NULL) {
DEBUG(10, ("SID %s is no special sid\n", sid_string_dbg(sid)));
return False;
}
for (i=0; users[i].name != NULL; i++) {
if (rid == users[i].rid) {
*name = talloc_strdup(mem_ctx, users[i].name);
return True;
}
}
DEBUG(10, ("RID of special SID %s not found\n", sid_string_dbg(sid)));
return False;
}
NTSTATUS samu_to_SamInfo3(TALLOC_CTX *mem_ctx,
struct samu *samu,
const char *login_server,
struct netr_SamInfo3 **_info3,
struct extra_auth_info *extra)
{
struct netr_SamInfo3 *info3;
const struct dom_sid *user_sid;
const struct dom_sid *group_sid;
struct dom_sid domain_sid;
struct dom_sid *group_sids;
uint32_t num_group_sids = 0;
const char *tmp;
gid_t *gids;
NTSTATUS status;
bool ok;
user_sid = pdb_get_user_sid(samu);
group_sid = pdb_get_group_sid(samu);
if (!user_sid || !group_sid) {
DEBUG(1, ("Sam account is missing sids!\n"));
return NT_STATUS_UNSUCCESSFUL;
}
info3 = talloc_zero(mem_ctx, struct netr_SamInfo3);
if (!info3) {
return NT_STATUS_NO_MEMORY;
}
ZERO_STRUCT(domain_sid);
/* check if this is a "Unix Users" domain user,
* we need to handle it in a special way if that's the case */
if (sid_check_is_in_unix_users(user_sid)) {
/* in info3 you can only set rids for the user and the
* primary group, and the domain sid must be that of
* the sam domain.
*
* Store a completely bogus value here.
* The real SID is stored in the extra sids.
* Other code will know to look there if (-1) is found
*/
info3->base.rid = (uint32_t)(-1);
sid_copy(&extra->user_sid, user_sid);
DEBUG(10, ("Unix User found in struct samu. Rid marked as "
"special and sid (%s) saved as extra sid\n",
sid_string_dbg(user_sid)));
} else {
sid_copy(&domain_sid, user_sid);
sid_split_rid(&domain_sid, &info3->base.rid);
}
if (is_null_sid(&domain_sid)) {
sid_copy(&domain_sid, get_global_sam_sid());
}
/* check if this is a "Unix Groups" domain group,
* if so we need special handling */
if (sid_check_is_in_unix_groups(group_sid)) {
/* in info3 you can only set rids for the user and the
* primary group, and the domain sid must be that of
* the sam domain.
*
* Store a completely bogus value here.
* The real SID is stored in the extra sids.
* Other code will know to look there if (-1) is found
*/
info3->base.primary_gid = (uint32_t)(-1);
sid_copy(&extra->pgid_sid, group_sid);
DEBUG(10, ("Unix Group found in struct samu. Rid marked as "
"special and sid (%s) saved as extra sid\n",
sid_string_dbg(group_sid)));
} else {
ok = sid_peek_check_rid(&domain_sid, group_sid,
&info3->base.primary_gid);
if (!ok) {
DEBUG(1, ("The primary group domain sid(%s) does not "
"match the domain sid(%s) for %s(%s)\n",
sid_string_dbg(group_sid),
sid_string_dbg(&domain_sid),
pdb_get_username(samu),
sid_string_dbg(user_sid)));
TALLOC_FREE(info3);
return NT_STATUS_UNSUCCESSFUL;
}
}
unix_to_nt_time(&info3->base.last_logon, pdb_get_logon_time(samu));
unix_to_nt_time(&info3->base.last_logoff, get_time_t_max());
unix_to_nt_time(&info3->base.acct_expiry, get_time_t_max());
unix_to_nt_time(&info3->base.last_password_change,
pdb_get_pass_last_set_time(samu));
unix_to_nt_time(&info3->base.allow_password_change,
pdb_get_pass_can_change_time(samu));
unix_to_nt_time(&info3->base.force_password_change,
pdb_get_pass_must_change_time(samu));
tmp = pdb_get_username(samu);
if (tmp) {
info3->base.account_name.string = talloc_strdup(info3, tmp);
RET_NOMEM(info3->base.account_name.string);
}
tmp = pdb_get_fullname(samu);
if (tmp) {
info3->base.full_name.string = talloc_strdup(info3, tmp);
RET_NOMEM(info3->base.full_name.string);
}
tmp = pdb_get_logon_script(samu);
if (tmp) {
info3->base.logon_script.string = talloc_strdup(info3, tmp);
RET_NOMEM(info3->base.logon_script.string);
}
tmp = pdb_get_profile_path(samu);
if (tmp) {
info3->base.profile_path.string = talloc_strdup(info3, tmp);
RET_NOMEM(info3->base.profile_path.string);
}
tmp = pdb_get_homedir(samu);
if (tmp) {
info3->base.home_directory.string = talloc_strdup(info3, tmp);
RET_NOMEM(info3->base.home_directory.string);
}
tmp = pdb_get_dir_drive(samu);
if (tmp) {
info3->base.home_drive.string = talloc_strdup(info3, tmp);
RET_NOMEM(info3->base.home_drive.string);
}
info3->base.logon_count = pdb_get_logon_count(samu);
info3->base.bad_password_count = pdb_get_bad_password_count(samu);
info3->base.domain.string = talloc_strdup(info3,
pdb_get_domain(samu));
RET_NOMEM(info3->base.domain.string);
info3->base.domain_sid = dom_sid_dup(info3, &domain_sid);
RET_NOMEM(info3->base.domain_sid);
status = pdb_enum_group_memberships(mem_ctx, samu,
&group_sids, &gids,
&num_group_sids);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(1, ("Failed to get groups from sam account.\n"));
TALLOC_FREE(info3);
return status;
}
if (num_group_sids) {
status = group_sids_to_info3(info3, group_sids, num_group_sids);
if (!NT_STATUS_IS_OK(status)) {
TALLOC_FREE(info3);
return status;
}
}
/* We don't need sids and gids after the conversion */
TALLOC_FREE(group_sids);
TALLOC_FREE(gids);
num_group_sids = 0;
/* FIXME: should we add other flags ? */
info3->base.user_flags = NETLOGON_EXTRA_SIDS;
if (login_server) {
info3->base.logon_server.string = talloc_strdup(info3, login_server);
RET_NOMEM(info3->base.logon_server.string);
}
info3->base.acct_flags = pdb_get_acct_ctrl(samu);
*_info3 = info3;
return NT_STATUS_OK;
}
static NTSTATUS SamInfo3_handle_sids(const char *username,
const struct dom_sid *user_sid,
const struct dom_sid *group_sid,
struct netr_SamInfo3 *info3,
struct dom_sid *domain_sid,
struct extra_auth_info *extra)
{
if (sid_check_is_in_unix_users(user_sid)) {
/* in info3 you can only set rids for the user and the
* primary group, and the domain sid must be that of
* the sam domain.
*
* Store a completely bogus value here.
* The real SID is stored in the extra sids.
* Other code will know to look there if (-1) is found
*/
info3->base.rid = (uint32_t)(-1);
sid_copy(&extra->user_sid, user_sid);
DEBUG(10, ("Unix User found. Rid marked as "
"special and sid (%s) saved as extra sid\n",
sid_string_dbg(user_sid)));
} else {
sid_copy(domain_sid, user_sid);
sid_split_rid(domain_sid, &info3->base.rid);
}
if (is_null_sid(domain_sid)) {
sid_copy(domain_sid, get_global_sam_sid());
}
/* check if this is a "Unix Groups" domain group,
* if so we need special handling */
if (sid_check_is_in_unix_groups(group_sid)) {
/* in info3 you can only set rids for the user and the
* primary group, and the domain sid must be that of
* the sam domain.
*
* Store a completely bogus value here.
* The real SID is stored in the extra sids.
* Other code will know to look there if (-1) is found
*/
info3->base.primary_gid = (uint32_t)(-1);
sid_copy(&extra->pgid_sid, group_sid);
DEBUG(10, ("Unix Group found. Rid marked as "
"special and sid (%s) saved as extra sid\n",
sid_string_dbg(group_sid)));
} else {
bool ok = sid_peek_check_rid(domain_sid, group_sid,
&info3->base.primary_gid);
if (!ok) {
DEBUG(1, ("The primary group domain sid(%s) does not "
"match the domain sid(%s) for %s(%s)\n",
sid_string_dbg(group_sid),
sid_string_dbg(domain_sid),
username,
sid_string_dbg(user_sid)));
return NT_STATUS_INVALID_SID;
}
}
return NT_STATUS_OK;
}
bool lookup_name(TALLOC_CTX *mem_ctx,
const char *full_name, int flags,
const char **ret_domain, const char **ret_name,
DOM_SID *ret_sid, enum lsa_SidType *ret_type)
{
char *p;
const char *tmp;
const char *domain = NULL;
const char *name = NULL;
uint32 rid;
DOM_SID sid;
enum lsa_SidType type;
TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
if (tmp_ctx == NULL) {
DEBUG(0, ("talloc_new failed\n"));
return false;
}
p = strchr_m(full_name, '\\');
if (p != NULL) {
domain = talloc_strndup(tmp_ctx, full_name,
PTR_DIFF(p, full_name));
name = talloc_strdup(tmp_ctx, p+1);
} else {
domain = talloc_strdup(tmp_ctx, "");
name = talloc_strdup(tmp_ctx, full_name);
}
if ((domain == NULL) || (name == NULL)) {
DEBUG(0, ("talloc failed\n"));
TALLOC_FREE(tmp_ctx);
return false;
}
DEBUG(10,("lookup_name: %s => %s (domain), %s (name)\n",
full_name, domain, name));
DEBUG(10, ("lookup_name: flags = 0x0%x\n", flags));
if ((flags & LOOKUP_NAME_DOMAIN) &&
strequal(domain, get_global_sam_name()))
{
/* It's our own domain, lookup the name in passdb */
if (lookup_global_sam_name(name, flags, &rid, &type)) {
sid_copy(&sid, get_global_sam_sid());
sid_append_rid(&sid, rid);
goto ok;
}
TALLOC_FREE(tmp_ctx);
return false;
}
if ((flags & LOOKUP_NAME_BUILTIN) &&
strequal(domain, builtin_domain_name()))
{
/* Explicit request for a name in BUILTIN */
if (lookup_builtin_name(name, &rid)) {
sid_copy(&sid, &global_sid_Builtin);
sid_append_rid(&sid, rid);
type = SID_NAME_ALIAS;
goto ok;
}
TALLOC_FREE(tmp_ctx);
return false;
}
/* Try the explicit winbind lookup first, don't let it guess the
* domain yet at this point yet. This comes later. */
if ((domain[0] != '\0') &&
(flags & ~(LOOKUP_NAME_DOMAIN|LOOKUP_NAME_ISOLATED)) &&
(winbind_lookup_name(domain, name, &sid, &type))) {
goto ok;
}
if (!(flags & LOOKUP_NAME_EXPLICIT) && strequal(domain, unix_users_domain_name())) {
if (lookup_unix_user_name(name, &sid)) {
type = SID_NAME_USER;
goto ok;
}
TALLOC_FREE(tmp_ctx);
return false;
}
if (!(flags & LOOKUP_NAME_EXPLICIT) && strequal(domain, unix_groups_domain_name())) {
if (lookup_unix_group_name(name, &sid)) {
type = SID_NAME_DOM_GRP;
goto ok;
}
TALLOC_FREE(tmp_ctx);
return false;
}
if ((domain[0] == '\0') && (!(flags & LOOKUP_NAME_ISOLATED))) {
TALLOC_FREE(tmp_ctx);
return false;
}
/* Now the guesswork begins, we haven't been given an explicit
* domain. Try the sequence as documented on
* http://msdn.microsoft.com/library/en-us/secmgmt/security/lsalookupnames.asp
* November 27, 2005 */
/* 1. well-known names */
if ((flags & LOOKUP_NAME_WKN) &&
lookup_wellknown_name(tmp_ctx, name, &sid, &domain))
{
type = SID_NAME_WKN_GRP;
goto ok;
}
/* 2. Builtin domain as such */
if ((flags & (LOOKUP_NAME_BUILTIN|LOOKUP_NAME_REMOTE)) &&
strequal(name, builtin_domain_name()))
{
/* Swap domain and name */
tmp = name; name = domain; domain = tmp;
sid_copy(&sid, &global_sid_Builtin);
type = SID_NAME_DOMAIN;
goto ok;
}
/* 3. Account domain */
if ((flags & LOOKUP_NAME_DOMAIN) &&
strequal(name, get_global_sam_name()))
{
if (!secrets_fetch_domain_sid(name, &sid)) {
DEBUG(3, ("Could not fetch my SID\n"));
TALLOC_FREE(tmp_ctx);
return false;
}
/* Swap domain and name */
tmp = name; name = domain; domain = tmp;
type = SID_NAME_DOMAIN;
goto ok;
}
/* 4. Primary domain */
if ((flags & LOOKUP_NAME_DOMAIN) && !IS_DC &&
strequal(name, lp_workgroup()))
{
if (!secrets_fetch_domain_sid(name, &sid)) {
DEBUG(3, ("Could not fetch the domain SID\n"));
TALLOC_FREE(tmp_ctx);
return false;
}
/* Swap domain and name */
tmp = name; name = domain; domain = tmp;
type = SID_NAME_DOMAIN;
goto ok;
}
/* 5. Trusted domains as such, to me it looks as if members don't do
this, tested an XP workstation in a NT domain -- vl */
if ((flags & LOOKUP_NAME_REMOTE) && IS_DC &&
(pdb_get_trusteddom_pw(name, NULL, &sid, NULL)))
{
/* Swap domain and name */
tmp = name; name = domain; domain = tmp;
type = SID_NAME_DOMAIN;
goto ok;
}
/* 6. Builtin aliases */
if ((flags & LOOKUP_NAME_BUILTIN) &&
lookup_builtin_name(name, &rid))
{
domain = talloc_strdup(tmp_ctx, builtin_domain_name());
sid_copy(&sid, &global_sid_Builtin);
sid_append_rid(&sid, rid);
type = SID_NAME_ALIAS;
goto ok;
}
/* 7. Local systems' SAM (DCs don't have a local SAM) */
/* 8. Primary SAM (On members, this is the domain) */
/* Both cases are done by looking at our passdb */
if ((flags & LOOKUP_NAME_DOMAIN) &&
lookup_global_sam_name(name, flags, &rid, &type))
{
domain = talloc_strdup(tmp_ctx, get_global_sam_name());
sid_copy(&sid, get_global_sam_sid());
sid_append_rid(&sid, rid);
goto ok;
}
/* Now our local possibilities are exhausted. */
if (!(flags & LOOKUP_NAME_REMOTE)) {
TALLOC_FREE(tmp_ctx);
return false;
}
/* If we are not a DC, we have to ask in our primary domain. Let
* winbind do that. */
if (!IS_DC &&
(winbind_lookup_name(lp_workgroup(), name, &sid, &type))) {
domain = talloc_strdup(tmp_ctx, lp_workgroup());
goto ok;
}
/* 9. Trusted domains */
/* If we're a DC we have to ask all trusted DC's. Winbind does not do
* that (yet), but give it a chance. */
if (IS_DC && winbind_lookup_name("", name, &sid, &type)) {
DOM_SID dom_sid;
uint32 tmp_rid;
enum lsa_SidType domain_type;
if (type == SID_NAME_DOMAIN) {
/* Swap name and type */
tmp = name; name = domain; domain = tmp;
goto ok;
}
/* Here we have to cope with a little deficiency in the
* winbind API: We have to ask it again for the name of the
* domain it figured out itself. Maybe fix that later... */
sid_copy(&dom_sid, &sid);
sid_split_rid(&dom_sid, &tmp_rid);
if (!winbind_lookup_sid(tmp_ctx, &dom_sid, &domain, NULL,
&domain_type) ||
(domain_type != SID_NAME_DOMAIN)) {
DEBUG(2, ("winbind could not find the domain's name "
"it just looked up for us\n"));
TALLOC_FREE(tmp_ctx);
return false;
}
goto ok;
}
/* 10. Don't translate */
/* 11. Ok, windows would end here. Samba has two more options:
Unmapped users and unmapped groups */
if (!(flags & LOOKUP_NAME_EXPLICIT) && lookup_unix_user_name(name, &sid)) {
domain = talloc_strdup(tmp_ctx, unix_users_domain_name());
type = SID_NAME_USER;
goto ok;
}
if (!(flags & LOOKUP_NAME_EXPLICIT) && lookup_unix_group_name(name, &sid)) {
domain = talloc_strdup(tmp_ctx, unix_groups_domain_name());
type = SID_NAME_DOM_GRP;
goto ok;
}
/*
* Ok, all possibilities tried. Fail.
*/
TALLOC_FREE(tmp_ctx);
return false;
ok:
if ((domain == NULL) || (name == NULL)) {
DEBUG(0, ("talloc failed\n"));
TALLOC_FREE(tmp_ctx);
return false;
}
/*
* Hand over the results to the talloc context we've been given.
*/
if ((ret_name != NULL) &&
!(*ret_name = talloc_strdup(mem_ctx, name))) {
DEBUG(0, ("talloc failed\n"));
TALLOC_FREE(tmp_ctx);
return false;
}
if (ret_domain != NULL) {
char *tmp_dom;
if (!(tmp_dom = talloc_strdup(mem_ctx, domain))) {
DEBUG(0, ("talloc failed\n"));
TALLOC_FREE(tmp_ctx);
return false;
}
strupper_m(tmp_dom);
*ret_domain = tmp_dom;
}
if (ret_sid != NULL) {
sid_copy(ret_sid, &sid);
}
if (ret_type != NULL) {
*ret_type = type;
}
TALLOC_FREE(tmp_ctx);
return true;
}
enum winbindd_result winbindd_sid_to_gid(struct winbindd_cli_state *state)
{
DOM_SID sid;
uint32 flags = 0x0;
/* Ensure null termination */
state->request.data.sid[sizeof(state->request.data.sid)-1]='\0';
DEBUG(3, ("[%5lu]: sid to gid %s\n", (unsigned long)state->pid,
state->request.data.sid));
if (!string_to_sid(&sid, state->request.data.sid)) {
DEBUG(1, ("Could not cvt string to sid %s\n", state->request.data.sid));
return WINBINDD_ERROR;
}
/* This gets a little tricky. If we assume that usernames are syncd between
/etc/passwd and the windows domain (such as a member of a Samba domain),
the we need to get the uid from the OS and not alocate one ourselves */
if ( lp_winbind_trusted_domains_only() ) {
struct winbindd_domain *domain = NULL;
DOM_SID sid2;
uint32 rid;
unid_t id;
domain = find_our_domain();
if ( !domain ) {
DEBUG(0,("winbindd_sid_to_uid: can't find my own domain!\n"));
return WINBINDD_ERROR;
}
sid_copy( &sid2, &sid );
sid_split_rid( &sid2, &rid );
if ( sid_equal( &sid2, &domain->sid ) ) {
fstring domain_name;
fstring group;
enum SID_NAME_USE type;
struct group *grp = NULL;
/* ok...here's we know that we are dealing with our
own domain (the one to which we are joined). And
we know that there must be a UNIX account for this group.
So we lookup the sid and the call getpwnam().*/
/* But first check and see if we don't already have a mapping */
flags = ID_QUERY_ONLY;
if ( NT_STATUS_IS_OK(idmap_sid_to_gid(&sid, &(state->response.data.gid), flags)) )
return WINBINDD_OK;
/* now fall back to the hard way */
if ( !winbindd_lookup_name_by_sid(&sid, domain_name, group, &type) )
return WINBINDD_ERROR;
if ( !(grp = sys_getgrnam(group)) ) {
DEBUG(0,("winbindd_sid_to_uid: 'winbind trusted domains only' is "
"set but this group [%s] doesn't exist!\n", group));
return WINBINDD_ERROR;
}
state->response.data.gid = grp->gr_gid;
id.gid = grp->gr_gid;
idmap_set_mapping( &sid, id, ID_GROUPID );
return WINBINDD_OK;
}
}
if ( state->request.flags & WBFLAG_QUERY_ONLY )
flags = ID_QUERY_ONLY;
/* Find gid for this sid and return it */
if ( !NT_STATUS_IS_OK(idmap_sid_to_gid(&sid, &(state->response.data.gid), flags)) ) {
DEBUG(1, ("Could not get gid for sid %s\n", state->request.data.sid));
return WINBINDD_ERROR;
}
return WINBINDD_OK;
}
NTSTATUS passwd_to_SamInfo3(TALLOC_CTX *mem_ctx,
const char *unix_username,
const struct passwd *pwd,
struct netr_SamInfo3 **pinfo3,
struct extra_auth_info *extra)
{
struct netr_SamInfo3 *info3;
NTSTATUS status;
TALLOC_CTX *tmp_ctx;
const char *domain_name = NULL;
const char *user_name = NULL;
struct dom_sid domain_sid;
struct dom_sid user_sid;
struct dom_sid group_sid;
enum lsa_SidType type;
uint32_t num_sids = 0;
struct dom_sid *user_sids = NULL;
bool is_null;
bool ok;
tmp_ctx = talloc_stackframe();
ok = lookup_name_smbconf(tmp_ctx,
unix_username,
LOOKUP_NAME_ALL,
&domain_name,
&user_name,
&user_sid,
&type);
if (!ok) {
status = NT_STATUS_NO_SUCH_USER;
goto done;
}
if (type != SID_NAME_USER) {
status = NT_STATUS_NO_SUCH_USER;
goto done;
}
ok = winbind_lookup_usersids(tmp_ctx,
&user_sid,
&num_sids,
&user_sids);
/* Check if winbind is running */
if (ok) {
/*
* Winbind is running and the first element of the user_sids
* is the primary group.
*/
if (num_sids > 0) {
group_sid = user_sids[0];
}
} else {
/*
* Winbind is not running, try to create the group_sid from the
* passwd group id.
*/
/*
* This can lead to a primary group of S-1-22-2-XX which
* will be rejected by other Samba code.
*/
gid_to_sid(&group_sid, pwd->pw_gid);
}
/*
* If we are a unix group, or a wellknown/builtin alias,
* set the group_sid to the
* 'Domain Users' RID of 513 which will always resolve to a
* name.
*/
if (sid_check_is_in_unix_groups(&group_sid) ||
sid_check_is_in_builtin(&group_sid) ||
sid_check_is_in_wellknown_domain(&group_sid)) {
if (sid_check_is_in_unix_users(&user_sid)) {
sid_compose(&group_sid,
get_global_sam_sid(),
DOMAIN_RID_USERS);
} else {
sid_copy(&domain_sid, &user_sid);
sid_split_rid(&domain_sid, NULL);
sid_compose(&group_sid,
&domain_sid,
DOMAIN_RID_USERS);
}
}
/* Make sure we have a valid group sid */
is_null = is_null_sid(&group_sid);
if (is_null) {
status = NT_STATUS_NO_SUCH_USER;
goto done;
}
/* Construct a netr_SamInfo3 from the information we have */
info3 = talloc_zero(tmp_ctx, struct netr_SamInfo3);
if (!info3) {
status = NT_STATUS_NO_MEMORY;
goto done;
}
info3->base.account_name.string = talloc_strdup(info3, unix_username);
if (info3->base.account_name.string == NULL) {
status = NT_STATUS_NO_MEMORY;
goto done;
}
ZERO_STRUCT(domain_sid);
status = SamInfo3_handle_sids(unix_username,
&user_sid,
&group_sid,
info3,
&domain_sid,
extra);
if (!NT_STATUS_IS_OK(status)) {
goto done;
}
info3->base.domain_sid = dom_sid_dup(info3, &domain_sid);
if (info3->base.domain_sid == NULL) {
status = NT_STATUS_NO_MEMORY;
goto done;
}
ok = sid_peek_check_rid(&domain_sid, &group_sid,
&info3->base.primary_gid);
if (!ok) {
DEBUG(1, ("The primary group domain sid(%s) does not "
"match the domain sid(%s) for %s(%s)\n",
sid_string_dbg(&group_sid),
sid_string_dbg(&domain_sid),
unix_username,
sid_string_dbg(&user_sid)));
status = NT_STATUS_INVALID_SID;
goto done;
}
info3->base.acct_flags = ACB_NORMAL;
if (num_sids) {
status = group_sids_to_info3(info3, user_sids, num_sids);
if (!NT_STATUS_IS_OK(status)) {
goto done;
}
}
*pinfo3 = talloc_steal(mem_ctx, info3);
status = NT_STATUS_OK;
done:
talloc_free(tmp_ctx);
return status;
}
/* Query display info for a realm. This is the basic user list fn */
static NTSTATUS query_user_list(struct winbindd_domain *domain,
TALLOC_CTX *mem_ctx,
uint32_t **prids)
{
ADS_STRUCT *ads = NULL;
const char *attrs[] = { "sAMAccountType", "objectSid", NULL };
int count;
uint32_t *rids = NULL;
ADS_STATUS rc;
LDAPMessage *res = NULL;
LDAPMessage *msg = NULL;
NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
DEBUG(3,("ads: query_user_list\n"));
if ( !winbindd_can_contact_domain( domain ) ) {
DEBUG(10,("query_user_list: No incoming trust for domain %s\n",
domain->name));
return NT_STATUS_OK;
}
ads = ads_cached_connection(domain);
if (!ads) {
domain->last_status = NT_STATUS_SERVER_DISABLED;
goto done;
}
rc = ads_search_retry(ads, &res, "(objectCategory=user)", attrs);
if (!ADS_ERR_OK(rc)) {
DEBUG(1,("query_user_list ads_search: %s\n", ads_errstr(rc)));
status = ads_ntstatus(rc);
goto done;
} else if (!res) {
DEBUG(1,("query_user_list ads_search returned NULL res\n"));
goto done;
}
count = ads_count_replies(ads, res);
if (count == 0) {
DEBUG(1,("query_user_list: No users found\n"));
goto done;
}
rids = talloc_zero_array(mem_ctx, uint32_t, count);
if (rids == NULL) {
status = NT_STATUS_NO_MEMORY;
goto done;
}
count = 0;
for (msg = ads_first_entry(ads, res); msg; msg = ads_next_entry(ads, msg)) {
struct dom_sid user_sid;
uint32_t atype;
bool ok;
ok = ads_pull_uint32(ads, msg, "sAMAccountType", &atype);
if (!ok) {
DBG_INFO("Object lacks sAMAccountType attribute\n");
continue;
}
if (ds_atype_map(atype) != SID_NAME_USER) {
DBG_INFO("Not a user account? atype=0x%x\n", atype);
continue;
}
if (!ads_pull_sid(ads, msg, "objectSid", &user_sid)) {
char *dn = ads_get_dn(ads, talloc_tos(), msg);
DBG_INFO("No sid for %s !?\n", dn);
TALLOC_FREE(dn);
continue;
}
if (!dom_sid_in_domain(&domain->sid, &user_sid)) {
fstring sidstr, domstr;
DBG_WARNING("Got sid %s in domain %s\n",
sid_to_fstring(sidstr, &user_sid),
sid_to_fstring(domstr, &domain->sid));
continue;
}
sid_split_rid(&user_sid, &rids[count]);
count += 1;
}
rids = talloc_realloc(mem_ctx, rids, uint32_t, count);
if (prids != NULL) {
*prids = rids;
}
status = NT_STATUS_OK;
DBG_NOTICE("ads query_user_list gave %d entries\n", count);
done:
return status;
}
NTSTATUS serverinfo_to_SamInfo3(struct auth_serversupplied_info *server_info,
uint8_t pipe_session_key[16],
struct netr_SamInfo3 *sam3)
{
struct samu *sampw;
DOM_GID *gids = NULL;
const DOM_SID *user_sid = NULL;
const DOM_SID *group_sid = NULL;
DOM_SID domain_sid;
uint32 user_rid, group_rid;
NTSTATUS status;
int num_gids = 0;
const char *my_name;
struct netr_UserSessionKey user_session_key;
struct netr_LMSessionKey lm_session_key;
NTTIME last_logon, last_logoff, acct_expiry, last_password_change;
NTTIME allow_password_change, force_password_change;
struct samr_RidWithAttributeArray groups;
int i;
struct dom_sid2 *sid = NULL;
ZERO_STRUCT(user_session_key);
ZERO_STRUCT(lm_session_key);
sampw = server_info->sam_account;
user_sid = pdb_get_user_sid(sampw);
group_sid = pdb_get_group_sid(sampw);
if ((user_sid == NULL) || (group_sid == NULL)) {
DEBUG(1, ("_netr_LogonSamLogon: User without group or user SID\n"));
return NT_STATUS_UNSUCCESSFUL;
}
sid_copy(&domain_sid, user_sid);
sid_split_rid(&domain_sid, &user_rid);
sid = sid_dup_talloc(sam3, &domain_sid);
if (!sid) {
return NT_STATUS_NO_MEMORY;
}
if (!sid_peek_check_rid(&domain_sid, group_sid, &group_rid)) {
DEBUG(1, ("_netr_LogonSamLogon: user %s\\%s has user sid "
"%s\n but group sid %s.\n"
"The conflicting domain portions are not "
"supported for NETLOGON calls\n",
pdb_get_domain(sampw),
pdb_get_username(sampw),
sid_string_dbg(user_sid),
sid_string_dbg(group_sid)));
return NT_STATUS_UNSUCCESSFUL;
}
if(server_info->login_server) {
my_name = server_info->login_server;
} else {
my_name = global_myname();
}
status = nt_token_to_group_list(sam3, &domain_sid,
server_info->num_sids,
server_info->sids,
&num_gids, &gids);
if (!NT_STATUS_IS_OK(status)) {
return status;
}
if (server_info->user_session_key.length) {
memcpy(user_session_key.key,
server_info->user_session_key.data,
MIN(sizeof(user_session_key.key),
server_info->user_session_key.length));
SamOEMhash(user_session_key.key, pipe_session_key, 16);
}
if (server_info->lm_session_key.length) {
memcpy(lm_session_key.key,
server_info->lm_session_key.data,
MIN(sizeof(lm_session_key.key),
server_info->lm_session_key.length));
SamOEMhash(lm_session_key.key, pipe_session_key, 8);
}
groups.count = num_gids;
groups.rids = TALLOC_ARRAY(sam3, struct samr_RidWithAttribute, groups.count);
if (!groups.rids) {
return NT_STATUS_NO_MEMORY;
}
for (i=0; i < groups.count; i++) {
groups.rids[i].rid = gids[i].g_rid;
groups.rids[i].attributes = gids[i].attr;
}
unix_to_nt_time(&last_logon, pdb_get_logon_time(sampw));
unix_to_nt_time(&last_logoff, get_time_t_max());
unix_to_nt_time(&acct_expiry, get_time_t_max());
unix_to_nt_time(&last_password_change, pdb_get_pass_last_set_time(sampw));
unix_to_nt_time(&allow_password_change, pdb_get_pass_can_change_time(sampw));
unix_to_nt_time(&force_password_change, pdb_get_pass_must_change_time(sampw));
init_netr_SamInfo3(sam3,
last_logon,
last_logoff,
acct_expiry,
last_password_change,
allow_password_change,
force_password_change,
talloc_strdup(sam3, pdb_get_username(sampw)),
talloc_strdup(sam3, pdb_get_fullname(sampw)),
talloc_strdup(sam3, pdb_get_logon_script(sampw)),
talloc_strdup(sam3, pdb_get_profile_path(sampw)),
talloc_strdup(sam3, pdb_get_homedir(sampw)),
talloc_strdup(sam3, pdb_get_dir_drive(sampw)),
0, /* logon_count */
0, /* bad_password_count */
user_rid,
group_rid,
groups,
NETLOGON_EXTRA_SIDS,
user_session_key,
my_name,
talloc_strdup(sam3, pdb_get_domain(sampw)),
sid,
lm_session_key,
pdb_get_acct_ctrl(sampw),
0, /* sidcount */
NULL); /* struct netr_SidAttr *sids */
ZERO_STRUCT(user_session_key);
ZERO_STRUCT(lm_session_key);
return NT_STATUS_OK;
}
struct netr_SamInfo3 *wbcAuthUserInfo_to_netr_SamInfo3(TALLOC_CTX *mem_ctx,
const struct wbcAuthUserInfo *info)
{
struct netr_SamInfo3 *info3;
struct dom_sid user_sid;
struct dom_sid group_sid;
struct dom_sid domain_sid;
NTSTATUS status;
bool ok;
memcpy(&user_sid, &info->sids[0].sid, sizeof(user_sid));
memcpy(&group_sid, &info->sids[1].sid, sizeof(group_sid));
info3 = talloc_zero(mem_ctx, struct netr_SamInfo3);
if (!info3) return NULL;
unix_to_nt_time(&info3->base.logon_time, info->logon_time);
unix_to_nt_time(&info3->base.logoff_time, info->logoff_time);
unix_to_nt_time(&info3->base.kickoff_time, info->kickoff_time);
unix_to_nt_time(&info3->base.last_password_change, info->pass_last_set_time);
unix_to_nt_time(&info3->base.allow_password_change,
info->pass_can_change_time);
unix_to_nt_time(&info3->base.force_password_change,
info->pass_must_change_time);
if (info->account_name) {
info3->base.account_name.string =
talloc_strdup(info3, info->account_name);
RET_NOMEM(info3->base.account_name.string);
}
if (info->full_name) {
info3->base.full_name.string =
talloc_strdup(info3, info->full_name);
RET_NOMEM(info3->base.full_name.string);
}
if (info->logon_script) {
info3->base.logon_script.string =
talloc_strdup(info3, info->logon_script);
RET_NOMEM(info3->base.logon_script.string);
}
if (info->profile_path) {
info3->base.profile_path.string =
talloc_strdup(info3, info->profile_path);
RET_NOMEM(info3->base.profile_path.string);
}
if (info->home_directory) {
info3->base.home_directory.string =
talloc_strdup(info3, info->home_directory);
RET_NOMEM(info3->base.home_directory.string);
}
if (info->home_drive) {
info3->base.home_drive.string =
talloc_strdup(info3, info->home_drive);
RET_NOMEM(info3->base.home_drive.string);
}
info3->base.logon_count = info->logon_count;
info3->base.bad_password_count = info->bad_password_count;
sid_copy(&domain_sid, &user_sid);
sid_split_rid(&domain_sid, &info3->base.rid);
ok = sid_peek_check_rid(&domain_sid, &group_sid,
&info3->base.primary_gid);
if (!ok) {
DEBUG(1, ("The primary group sid domain does not"
"match user sid domain for user: %s\n",
info->account_name));
TALLOC_FREE(info3);
return NULL;
}
status = wbcsids_to_samr_RidWithAttributeArray(info3,
&info3->base.groups,
&domain_sid,
&info->sids[1],
info->num_sids - 1);
if (!NT_STATUS_IS_OK(status)) {
TALLOC_FREE(info3);
return NULL;
}
status = wbcsids_to_netr_SidAttrArray(&domain_sid,
&info->sids[1],
info->num_sids - 1,
info3,
&info3->sids,
&info3->sidcount);
if (!NT_STATUS_IS_OK(status)) {
TALLOC_FREE(info3);
return NULL;
}
info3->base.user_flags = info->user_flags;
memcpy(info3->base.key.key, info->user_session_key, 16);
if (info->logon_server) {
info3->base.logon_server.string =
talloc_strdup(info3, info->logon_server);
RET_NOMEM(info3->base.logon_server.string);
}
if (info->domain_name) {
info3->base.logon_domain.string =
talloc_strdup(info3, info->domain_name);
RET_NOMEM(info3->base.logon_domain.string);
}
info3->base.domain_sid = dom_sid_dup(info3, &domain_sid);
RET_NOMEM(info3->base.domain_sid);
memcpy(info3->base.LMSessKey.key, info->lm_session_key, 8);
info3->base.acct_flags = info->acct_flags;
return info3;
}
NTSTATUS _net_sam_logon(pipes_struct *p, NET_Q_SAM_LOGON *q_u, NET_R_SAM_LOGON *r_u)
{
NTSTATUS status = NT_STATUS_OK;
NET_USER_INFO_3 *usr_info = NULL;
NET_ID_INFO_CTR *ctr = q_u->sam_id.ctr;
DOM_CRED srv_cred;
UNISTR2 *uni_samlogon_user = NULL;
UNISTR2 *uni_samlogon_domain = NULL;
UNISTR2 *uni_samlogon_workstation = NULL;
fstring nt_username, nt_domain, nt_workstation;
auth_usersupplied_info *user_info = NULL;
auth_serversupplied_info *server_info = NULL;
extern userdom_struct current_user_info;
SAM_ACCOUNT *sampw;
struct auth_context *auth_context = NULL;
usr_info = (NET_USER_INFO_3 *)talloc(p->mem_ctx, sizeof(NET_USER_INFO_3));
if (!usr_info)
return NT_STATUS_NO_MEMORY;
ZERO_STRUCTP(usr_info);
/* store the user information, if there is any. */
r_u->user = usr_info;
r_u->switch_value = 0; /* indicates no info */
r_u->auth_resp = 1; /* authoritative response */
r_u->switch_value = 3; /* indicates type of validation user info */
if (!get_valid_user_struct(p->vuid))
return NT_STATUS_NO_SUCH_USER;
if ( (lp_server_schannel() == True) && (!p->netsec_auth_validated) ) {
/* 'server schannel = yes' should enforce use of
schannel, the client did offer it in auth2, but
obviously did not use it. */
return NT_STATUS_ACCESS_DENIED;
}
/* checks and updates credentials. creates reply credentials */
if (!(p->dc.authenticated && deal_with_creds(p->dc.sess_key, &p->dc.clnt_cred, &q_u->sam_id.client.cred, &srv_cred)))
return NT_STATUS_INVALID_HANDLE;
memcpy(&p->dc.srv_cred, &p->dc.clnt_cred, sizeof(p->dc.clnt_cred));
r_u->buffer_creds = 1; /* yes, we have valid server credentials */
memcpy(&r_u->srv_creds, &srv_cred, sizeof(r_u->srv_creds));
/* find the username */
switch (q_u->sam_id.logon_level) {
case INTERACTIVE_LOGON_TYPE:
uni_samlogon_user = &ctr->auth.id1.uni_user_name;
uni_samlogon_domain = &ctr->auth.id1.uni_domain_name;
uni_samlogon_workstation = &ctr->auth.id1.uni_wksta_name;
DEBUG(3,("SAM Logon (Interactive). Domain:[%s]. ", lp_workgroup()));
break;
case NET_LOGON_TYPE:
uni_samlogon_user = &ctr->auth.id2.uni_user_name;
uni_samlogon_domain = &ctr->auth.id2.uni_domain_name;
uni_samlogon_workstation = &ctr->auth.id2.uni_wksta_name;
DEBUG(3,("SAM Logon (Network). Domain:[%s]. ", lp_workgroup()));
break;
default:
DEBUG(2,("SAM Logon: unsupported switch value\n"));
return NT_STATUS_INVALID_INFO_CLASS;
} /* end switch */
rpcstr_pull(nt_username,uni_samlogon_user->buffer,sizeof(nt_username),uni_samlogon_user->uni_str_len*2,0);
rpcstr_pull(nt_domain,uni_samlogon_domain->buffer,sizeof(nt_domain),uni_samlogon_domain->uni_str_len*2,0);
rpcstr_pull(nt_workstation,uni_samlogon_workstation->buffer,sizeof(nt_workstation),uni_samlogon_workstation->uni_str_len*2,0);
DEBUG(3,("User:[%s@%s] Requested Domain:[%s]\n", nt_username,
nt_workstation, nt_domain));
fstrcpy(current_user_info.smb_name, nt_username);
sub_set_smb_name(nt_username);
DEBUG(5,("Attempting validation level %d for unmapped username %s.\n", q_u->sam_id.ctr->switch_value, nt_username));
status = NT_STATUS_OK;
switch (ctr->switch_value) {
case NET_LOGON_TYPE:
{
const char *wksname = nt_workstation;
if (!NT_STATUS_IS_OK(status = make_auth_context_fixed(&auth_context, ctr->auth.id2.lm_chal))) {
return status;
}
/* For a network logon, the workstation name comes in with two
* backslashes in the front. Strip them if they are there. */
if (*wksname == '\\') wksname++;
if (*wksname == '\\') wksname++;
/* Standard challenge/response authenticaion */
if (!make_user_info_netlogon_network(&user_info,
nt_username, nt_domain,
wksname,
ctr->auth.id2.lm_chal_resp.buffer,
ctr->auth.id2.lm_chal_resp.str_str_len,
ctr->auth.id2.nt_chal_resp.buffer,
ctr->auth.id2.nt_chal_resp.str_str_len)) {
status = NT_STATUS_NO_MEMORY;
}
break;
}
case INTERACTIVE_LOGON_TYPE:
/* 'Interactive' autheticaion, supplies the password in its
MD4 form, encrypted with the session key. We will
convert this to chellange/responce for the auth
subsystem to chew on */
{
const uint8 *chal;
if (!NT_STATUS_IS_OK(status = make_auth_context_subsystem(&auth_context))) {
return status;
}
chal = auth_context->get_ntlm_challenge(auth_context);
if (!make_user_info_netlogon_interactive(&user_info,
nt_username, nt_domain,
nt_workstation, chal,
ctr->auth.id1.lm_owf.data,
ctr->auth.id1.nt_owf.data,
p->dc.sess_key)) {
status = NT_STATUS_NO_MEMORY;
}
break;
}
default:
DEBUG(2,("SAM Logon: unsupported switch value\n"));
return NT_STATUS_INVALID_INFO_CLASS;
} /* end switch */
if ( NT_STATUS_IS_OK(status) ) {
status = auth_context->check_ntlm_password(auth_context,
user_info, &server_info);
}
(auth_context->free)(&auth_context);
free_user_info(&user_info);
DEBUG(5, ("_net_sam_logon: check_password returned status %s\n",
nt_errstr(status)));
/* Check account and password */
if (!NT_STATUS_IS_OK(status)) {
free_server_info(&server_info);
return status;
}
if (server_info->guest) {
/* We don't like guest domain logons... */
DEBUG(5,("_net_sam_logon: Attempted domain logon as GUEST denied.\n"));
free_server_info(&server_info);
return NT_STATUS_LOGON_FAILURE;
}
/* This is the point at which, if the login was successful, that
the SAM Local Security Authority should record that the user is
logged in to the domain. */
{
DOM_GID *gids = NULL;
const DOM_SID *user_sid = NULL;
const DOM_SID *group_sid = NULL;
DOM_SID domain_sid;
uint32 user_rid, group_rid;
int num_gids = 0;
pstring my_name;
fstring user_sid_string;
fstring group_sid_string;
uchar user_session_key[16];
uchar lm_session_key[16];
uchar netlogon_sess_key[16];
sampw = server_info->sam_account;
/* set up pointer indicating user/password failed to be found */
usr_info->ptr_user_info = 0;
user_sid = pdb_get_user_sid(sampw);
group_sid = pdb_get_group_sid(sampw);
sid_copy(&domain_sid, user_sid);
sid_split_rid(&domain_sid, &user_rid);
if (!sid_peek_check_rid(&domain_sid, group_sid, &group_rid)) {
DEBUG(1, ("_net_sam_logon: user %s\\%s has user sid %s\n but group sid %s.\nThe conflicting domain portions are not supported for NETLOGON calls\n",
pdb_get_domain(sampw), pdb_get_username(sampw),
sid_to_string(user_sid_string, user_sid),
sid_to_string(group_sid_string, group_sid)));
return NT_STATUS_UNSUCCESSFUL;
}
pstrcpy(my_name, global_myname());
if (!NT_STATUS_IS_OK(status
= nt_token_to_group_list(p->mem_ctx,
&domain_sid,
server_info->ptok,
&num_gids,
&gids))) {
return status;
}
ZERO_STRUCT(netlogon_sess_key);
memcpy(netlogon_sess_key, p->dc.sess_key, 8);
if (server_info->user_session_key.length) {
memcpy(user_session_key, server_info->user_session_key.data,
MIN(sizeof(user_session_key), server_info->user_session_key.length));
SamOEMhash(user_session_key, netlogon_sess_key, 16);
}
if (server_info->lm_session_key.length) {
memcpy(lm_session_key, server_info->lm_session_key.data,
MIN(sizeof(lm_session_key), server_info->lm_session_key.length));
SamOEMhash(lm_session_key, netlogon_sess_key, 16);
}
ZERO_STRUCT(netlogon_sess_key);
init_net_user_info3(p->mem_ctx, usr_info,
user_rid,
group_rid,
pdb_get_username(sampw),
pdb_get_fullname(sampw),
pdb_get_homedir(sampw),
pdb_get_dir_drive(sampw),
pdb_get_logon_script(sampw),
pdb_get_profile_path(sampw),
pdb_get_logon_time(sampw),
get_time_t_max(),
get_time_t_max(),
pdb_get_pass_last_set_time(sampw),
pdb_get_pass_can_change_time(sampw),
pdb_get_pass_must_change_time(sampw),
0, /* logon_count */
0, /* bad_pw_count */
num_gids, /* uint32 num_groups */
gids , /* DOM_GID *gids */
0x20 , /* uint32 user_flgs (?) */
server_info->user_session_key.length ? user_session_key : NULL,
server_info->lm_session_key.length ? lm_session_key : NULL,
my_name , /* char *logon_srv */
pdb_get_domain(sampw),
&domain_sid, /* DOM_SID *dom_sid */
/* Should be users domain sid, not servers - for trusted domains */
NULL); /* char *other_sids */
ZERO_STRUCT(user_session_key);
ZERO_STRUCT(lm_session_key);
}
free_server_info(&server_info);
return status;
}
/*******************************************************************
gets a domain user's groups
********************************************************************/
NTSTATUS get_alias_user_groups(TALLOC_CTX *ctx, DOM_SID *sid, int *numgroups, uint32 **prids, DOM_SID *q_sid)
{
SAM_ACCOUNT *sam_pass=NULL;
int i, cur_rid=0;
gid_t gid;
gid_t *groups = NULL;
int num_groups;
GROUP_MAP map;
DOM_SID tmp_sid;
fstring user_name;
fstring str_domsid, str_qsid;
uint32 rid,grid;
uint32 *rids=NULL, *new_rids=NULL;
gid_t winbind_gid_low, winbind_gid_high;
BOOL ret;
BOOL winbind_groups_exist;
/*
* this code is far from perfect.
* first it enumerates the full /etc/group and that can be slow.
* second, it works only with users' SIDs
* whereas the day we support nested groups, it will have to
* support both users's SIDs and domain groups' SIDs
*
* having our own ldap backend would be so much faster !
* we're far from that, but hope one day ;-) JFM.
*/
*prids=NULL;
*numgroups=0;
winbind_groups_exist = lp_idmap_gid(&winbind_gid_low, &winbind_gid_high);
DEBUG(10,("get_alias_user_groups: looking if SID %s is a member of groups in the SID domain %s\n",
sid_to_string(str_qsid, q_sid), sid_to_string(str_domsid, sid)));
pdb_init_sam(&sam_pass);
become_root();
ret = pdb_getsampwsid(sam_pass, q_sid);
unbecome_root();
if (ret == False) {
pdb_free_sam(&sam_pass);
return NT_STATUS_NO_SUCH_USER;
}
fstrcpy(user_name, pdb_get_username(sam_pass));
grid=pdb_get_group_rid(sam_pass);
if (!NT_STATUS_IS_OK(sid_to_gid(pdb_get_group_sid(sam_pass), &gid))) {
/* this should never happen */
DEBUG(2,("get_alias_user_groups: sid_to_gid failed!\n"));
pdb_free_sam(&sam_pass);
return NT_STATUS_UNSUCCESSFUL;
}
become_root();
/* on some systems this must run as root */
num_groups = getgroups_user(user_name, &groups);
unbecome_root();
if (num_groups == -1) {
/* this should never happen */
DEBUG(2,("get_alias_user_groups: getgroups_user failed\n"));
pdb_free_sam(&sam_pass);
return NT_STATUS_UNSUCCESSFUL;
}
for (i=0;i<num_groups;i++) {
if (!get_group_from_gid(groups[i], &map)) {
DEBUG(10,("get_alias_user_groups: gid %d. not found\n", (int)groups[i]));
continue;
}
/* if it's not an alias, continue */
if (map.sid_name_use != SID_NAME_ALIAS) {
DEBUG(10,("get_alias_user_groups: not returing %s, not an ALIAS group.\n", map.nt_name));
continue;
}
sid_copy(&tmp_sid, &map.sid);
sid_split_rid(&tmp_sid, &rid);
/* if the sid is not in the correct domain, continue */
if (!sid_equal(&tmp_sid, sid)) {
DEBUG(10,("get_alias_user_groups: not returing %s, not in the domain SID.\n", map.nt_name));
continue;
}
/* Don't return winbind groups as they are not local! */
if (winbind_groups_exist && (groups[i] >= winbind_gid_low) && (groups[i] <= winbind_gid_high)) {
DEBUG(10,("get_alias_user_groups: not returing %s, not local.\n", map.nt_name));
continue;
}
/* Don't return user private groups... */
if (Get_Pwnam(map.nt_name) != 0) {
DEBUG(10,("get_alias_user_groups: not returing %s, clashes with user.\n", map.nt_name));
continue;
}
new_rids=(uint32 *)Realloc(rids, sizeof(uint32)*(cur_rid+1));
if (new_rids==NULL) {
DEBUG(10,("get_alias_user_groups: could not realloc memory\n"));
pdb_free_sam(&sam_pass);
free(groups);
return NT_STATUS_NO_MEMORY;
}
rids=new_rids;
sid_peek_rid(&map.sid, &(rids[cur_rid]));
cur_rid++;
break;
}
if(num_groups)
free(groups);
/* now check for the user's gid (the primary group rid) */
for (i=0; i<cur_rid && grid!=rids[i]; i++)
;
/* the user's gid is already there */
if (i!=cur_rid) {
DEBUG(10,("get_alias_user_groups: user is already in the list. good.\n"));
goto done;
}
DEBUG(10,("get_alias_user_groups: looking for gid %d of user %s\n", (int)gid, user_name));
if(!get_group_from_gid(gid, &map)) {
DEBUG(0,("get_alias_user_groups: gid of user %s doesn't exist. Check your "
"/etc/passwd and /etc/group files\n", user_name));
goto done;
}
/* the primary group isn't an alias */
if (map.sid_name_use!=SID_NAME_ALIAS) {
DEBUG(10,("get_alias_user_groups: not returing %s, not an ALIAS group.\n", map.nt_name));
goto done;
}
sid_copy(&tmp_sid, &map.sid);
sid_split_rid(&tmp_sid, &rid);
/* if the sid is not in the correct domain, continue */
if (!sid_equal(&tmp_sid, sid)) {
DEBUG(10,("get_alias_user_groups: not returing %s, not in the domain SID.\n", map.nt_name));
goto done;
}
/* Don't return winbind groups as they are not local! */
if (winbind_groups_exist && (gid >= winbind_gid_low) && (gid <= winbind_gid_high)) {
DEBUG(10,("get_alias_user_groups: not returing %s, not local.\n", map.nt_name ));
goto done;
}
/* Don't return user private groups... */
if (Get_Pwnam(map.nt_name) != 0) {
DEBUG(10,("get_alias_user_groups: not returing %s, clashes with user.\n", map.nt_name ));
goto done;
}
new_rids=(uint32 *)Realloc(rids, sizeof(uint32)*(cur_rid+1));
if (new_rids==NULL) {
DEBUG(10,("get_alias_user_groups: could not realloc memory\n"));
pdb_free_sam(&sam_pass);
return NT_STATUS_NO_MEMORY;
}
rids=new_rids;
sid_peek_rid(&map.sid, &(rids[cur_rid]));
cur_rid++;
done:
*prids=rids;
*numgroups=cur_rid;
pdb_free_sam(&sam_pass);
return NT_STATUS_OK;
}
