Copyright (C) Tim Potter 2000
Copyright (C) Jeremy Allison 2001.
+ Copyright (C) Gerald (Jerry) Carter 2003.
+ Copyright (C) Volker Lendecke 2005
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
+ 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,
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.
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
+#include "includes.h"
#include "winbindd.h"
+extern BOOL opt_nocache;
+
#undef DBGC_CLASS
#define DBGC_CLASS DBGC_WINBIND
-/***************************************************************
- Empty static struct for negative caching.
-****************************************************************/
+static void add_member(const char *domain, const char *user,
+ char **pp_members, size_t *p_num_members)
+{
+ fstring name;
+
+ fill_domain_username(name, domain, user, True);
+ safe_strcat(name, ",", sizeof(name)-1);
+ string_append(pp_members, name);
+ *p_num_members += 1;
+}
+
+/**********************************************************************
+ Add member users resulting from sid. Expand if it is a domain group.
+**********************************************************************/
+
+static void add_expanded_sid(const DOM_SID *sid, char **pp_members, size_t *p_num_members)
+{
+ DOM_SID dom_sid;
+ uint32 rid;
+ struct winbindd_domain *domain;
+ size_t i;
+
+ char *domain_name = NULL;
+ char *name = NULL;
+ enum lsa_SidType type;
+
+ uint32 num_names;
+ DOM_SID *sid_mem;
+ char **names;
+ uint32 *types;
+
+ NTSTATUS result;
+
+ TALLOC_CTX *mem_ctx = talloc_init("add_expanded_sid");
+
+ if (mem_ctx == NULL) {
+ DEBUG(1, ("talloc_init failed\n"));
+ return;
+ }
+
+ sid_copy(&dom_sid, sid);
+ sid_split_rid(&dom_sid, &rid);
+
+ domain = find_lookup_domain_from_sid(sid);
+
+ if (domain == NULL) {
+ DEBUG(3, ("Could not find domain for sid %s\n",
+ sid_string_static(sid)));
+ goto done;
+ }
+
+ result = domain->methods->sid_to_name(domain, mem_ctx, sid,
+ &domain_name, &name, &type);
+
+ if (!NT_STATUS_IS_OK(result)) {
+ DEBUG(3, ("sid_to_name failed for sid %s\n",
+ sid_string_static(sid)));
+ goto done;
+ }
+
+ DEBUG(10, ("Found name %s, type %d\n", name, type));
+
+ if (type == SID_NAME_USER) {
+ add_member(domain_name, name, pp_members, p_num_members);
+ goto done;
+ }
+
+ if (type != SID_NAME_DOM_GRP) {
+ DEBUG(10, ("Alias member %s neither user nor group, ignore\n",
+ name));
+ goto done;
+ }
+
+ /* Expand the domain group, this must be done via the target domain */
+
+ domain = find_domain_from_sid(sid);
+
+ if (domain == NULL) {
+ DEBUG(3, ("Could not find domain from SID %s\n",
+ sid_string_static(sid)));
+ goto done;
+ }
+
+ result = domain->methods->lookup_groupmem(domain, mem_ctx,
+ sid, &num_names,
+ &sid_mem, &names,
+ &types);
+
+ if (!NT_STATUS_IS_OK(result)) {
+ DEBUG(10, ("Could not lookup group members for %s: %s\n",
+ name, nt_errstr(result)));
+ goto done;
+ }
+
+ for (i=0; i<num_names; i++) {
+ DEBUG(10, ("Adding group member SID %s\n",
+ sid_string_static(&sid_mem[i])));
+
+ if (types[i] != SID_NAME_USER) {
+ DEBUG(1, ("Hmmm. Member %s of group %s is no user. "
+ "Ignoring.\n", names[i], name));
+ continue;
+ }
+
+ add_member(domain->name, names[i], pp_members, p_num_members);
+ }
+
+ done:
+ talloc_destroy(mem_ctx);
+ return;
+}
+
+static BOOL fill_passdb_alias_grmem(struct winbindd_domain *domain,
+ DOM_SID *group_sid,
+ size_t *num_gr_mem, char **gr_mem, size_t *gr_mem_len)
+{
+ DOM_SID *members;
+ size_t i, num_members;
+
+ *num_gr_mem = 0;
+ *gr_mem = NULL;
+ *gr_mem_len = 0;
+
+ if (!NT_STATUS_IS_OK(pdb_enum_aliasmem(group_sid, &members,
+ &num_members)))
+ return True;
+
+ for (i=0; i<num_members; i++) {
+ add_expanded_sid(&members[i], gr_mem, num_gr_mem);
+ }
+
+ TALLOC_FREE(members);
+
+ if (*gr_mem != NULL) {
+ size_t len;
+
+ /* We have at least one member, strip off the last "," */
+ len = strlen(*gr_mem);
+ (*gr_mem)[len-1] = '\0';
+ *gr_mem_len = len;
+ }
+
+ return True;
+}
/* Fill a grent structure from various other information */
const char *gr_name, gid_t unix_gid)
{
fstring full_group_name;
- /* Fill in uid/gid */
- fill_domain_username(full_group_name, dom_name, gr_name);
+
+ fill_domain_username( full_group_name, dom_name, gr_name, True );
gr->gr_gid = unix_gid;
return True;
}
-/* Fill in the group membership field of a NT group given by group_sid */
+/***********************************************************************
+ If "enum users" is set to false, and the group being looked
+ up is the Domain Users SID: S-1-5-domain-513, then for the
+ list of members check if the querying user is in that group,
+ and if so only return that user as the gr_mem array.
+ We can change this to a different parameter than "enum users"
+ if neccessaey, or parameterize the group list we do this for.
+***********************************************************************/
+
+static BOOL fill_grent_mem_domusers( TALLOC_CTX *mem_ctx,
+ struct winbindd_domain *domain,
+ struct winbindd_cli_state *state,
+ DOM_SID *group_sid,
+ enum lsa_SidType group_name_type,
+ size_t *num_gr_mem, char **gr_mem,
+ size_t *gr_mem_len)
+{
+ DOM_SID querying_user_sid;
+ DOM_SID *pquerying_user_sid = NULL;
+ uint32 num_groups = 0;
+ DOM_SID *user_sids = NULL;
+ BOOL u_in_group = False;
+ NTSTATUS status;
+ int i;
+ unsigned int buf_len = 0;
+ char *buf = NULL;
+
+ DEBUG(10,("fill_grent_mem_domain_users: domain %s\n",
+ domain->name ));
+
+ if (state) {
+ uid_t ret_uid = (uid_t)-1;
+ if (sys_getpeereid(state->sock, &ret_uid)==0) {
+ /* We know who's asking - look up their SID if
+ it's one we've mapped before. */
+ status = idmap_uid_to_sid(&querying_user_sid, ret_uid);
+ if (NT_STATUS_IS_OK(status)) {
+ pquerying_user_sid = &querying_user_sid;
+ DEBUG(10,("fill_grent_mem_domain_users: querying uid %u -> %s\n",
+ (unsigned int)ret_uid,
+ sid_string_static(pquerying_user_sid) ));
+ }
+ }
+ }
+
+ /* Only look up if it was a winbindd user in this domain. */
+ if (pquerying_user_sid &&
+ (sid_compare_domain(pquerying_user_sid, &domain->sid) == 0)) {
+
+ DEBUG(10,("fill_grent_mem_domain_users: querying user = %s\n",
+ sid_string_static(pquerying_user_sid) ));
+
+ status = domain->methods->lookup_usergroups(domain,
+ mem_ctx,
+ pquerying_user_sid,
+ &num_groups,
+ &user_sids);
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(1, ("fill_grent_mem_domain_users: lookup_usergroups failed "
+ "for sid %s in domain %s (error: %s)\n",
+ sid_string_static(pquerying_user_sid),
+ domain->name,
+ nt_errstr(status)));
+ return False;
+ }
+
+ for (i = 0; i < num_groups; i++) {
+ if (sid_equal(group_sid, &user_sids[i])) {
+ /* User is in Domain Users, add their name
+ as the only group member. */
+ u_in_group = True;
+ break;
+ }
+ }
+ }
+
+ if (u_in_group) {
+ size_t len = 0;
+ char *domainname = NULL;
+ char *username = NULL;
+ fstring name;
+ enum lsa_SidType type;
+
+ DEBUG(10,("fill_grent_mem_domain_users: sid %s in 'Domain Users' in domain %s\n",
+ sid_string_static(pquerying_user_sid), domain->name ));
+
+ status = domain->methods->sid_to_name(domain, mem_ctx,
+ pquerying_user_sid,
+ &domainname,
+ &username,
+ &type);
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(1, ("could not lookup username for user "
+ "sid %s in domain %s (error: %s)\n",
+ sid_string_static(pquerying_user_sid),
+ domain->name,
+ nt_errstr(status)));
+ return False;
+ }
+ fill_domain_username(name, domain->name, username, True);
+ len = strlen(name);
+ buf_len = len + 1;
+ if (!(buf = (char *)SMB_MALLOC(buf_len))) {
+ DEBUG(1, ("out of memory\n"));
+ return False;
+ }
+ memcpy(buf, name, buf_len);
+
+ DEBUG(10,("fill_grent_mem_domain_users: user %s in "
+ "'Domain Users' in domain %s\n",
+ name, domain->name ));
+
+ /* user is the only member */
+ *num_gr_mem = 1;
+ }
+
+ *gr_mem = buf;
+ *gr_mem_len = buf_len;
+
+ DEBUG(10, ("fill_grent_mem_domain_users: num_mem = %u, len = %u, mem = %s\n",
+ (unsigned int)*num_gr_mem,
+ (unsigned int)buf_len, *num_gr_mem ? buf : "NULL"));
+
+ return True;
+}
+
+/***********************************************************************
+ Add names to a list. Assumes a canonical version of the string
+ in DOMAIN\user
+***********************************************************************/
+
+static int namecmp( const void *a, const void *b )
+{
+ return StrCaseCmp( * (char * const *) a, * (char * const *) b);
+}
+
+static NTSTATUS add_names_to_list( TALLOC_CTX *ctx,
+ char ***list, uint32 *n_list,
+ char **names, uint32 n_names )
+{
+ char **new_list = NULL;
+ uint32 n_new_list = 0;
+ int i, j;
+
+ if ( !names || (n_names == 0) )
+ return NT_STATUS_OK;
+
+ /* Alloc the maximum size we'll need */
+
+ if ( *list == NULL ) {
+ if ( (new_list = TALLOC_ARRAY( ctx, char *, n_names )) == NULL )
+ return NT_STATUS_NO_MEMORY;
+ n_new_list = n_names;
+ } else {
+ new_list = TALLOC_REALLOC_ARRAY( ctx, *list, char *,
+ (*n_list) + n_names );
+ if ( !new_list )
+ return NT_STATUS_NO_MEMORY;
+ n_new_list = (*n_list) + n_names;
+ }
+
+ /* Add all names */
+
+ for ( i=*n_list, j=0; i<n_new_list; i++, j++ ) {
+ new_list[i] = talloc_strdup( new_list, names[j] );
+ }
+
+ /* search for duplicates for sorting and looking for matching
+ neighbors */
+
+ qsort( new_list, n_new_list, sizeof(char*), QSORT_CAST namecmp );
+
+ for ( i=1; i<n_new_list; i++ ) {
+ if ( strcmp( new_list[i-1], new_list[i] ) == 0 ) {
+ memmove( &new_list[i-1], &new_list[i],
+ sizeof(char*)*(n_new_list-i) );
+ n_new_list--;
+ }
+ }
+
+ *list = new_list;
+ *n_list = n_new_list;
+
+ return NT_STATUS_OK;
+}
+
+/***********************************************************************
+***********************************************************************/
+
+static NTSTATUS expand_groups( TALLOC_CTX *ctx,
+ struct winbindd_domain *d,
+ DOM_SID *glist, uint32 n_glist,
+ DOM_SID **new_glist, uint32 *n_new_glist,
+ char ***members, uint32 *n_members )
+{
+ int i, j;
+ NTSTATUS status = NT_STATUS_OK;
+ uint32 num_names = 0;
+ uint32 *name_types = NULL;
+ char **names = NULL;
+ DOM_SID *sid_mem = NULL;
+ TALLOC_CTX *tmp_ctx = NULL;
+ DOM_SID *new_groups = NULL;
+ size_t new_groups_size = 0;
+
+ *members = NULL;
+ *n_members = 0;
+ *new_glist = NULL;
+ *n_new_glist = 0;
+
+ for ( i=0; i<n_glist; i++ ) {
+ tmp_ctx = talloc_new( ctx );
+
+ /* Lookup the group membership */
+
+ status = d->methods->lookup_groupmem(d, tmp_ctx,
+ &glist[i], &num_names,
+ &sid_mem, &names,
+ &name_types);
+ if ( !NT_STATUS_IS_OK(status) )
+ goto out;
+
+ /* Separate users and groups into two lists */
+
+ for ( j=0; j<num_names; j++ ) {
+
+ /* Users */
+ if ( name_types[j] == SID_NAME_USER ||
+ name_types[j] == SID_NAME_COMPUTER )
+ {
+ status = add_names_to_list( ctx, members,
+ n_members,
+ names+j, 1 );
+ if ( !NT_STATUS_IS_OK(status) )
+ goto out;
+
+ continue;
+ }
+
+ /* Groups */
+ if ( name_types[j] == SID_NAME_DOM_GRP ||
+ name_types[j] == SID_NAME_ALIAS )
+ {
+ BOOL ret;
+
+ ret = add_sid_to_array_unique( ctx,
+ &sid_mem[j],
+ &new_groups,
+ &new_groups_size );
+ if ( !ret ) {
+ status = NT_STATUS_NO_MEMORY;
+ goto out;
+ }
+
+ continue;
+ }
+ }
+
+ TALLOC_FREE( tmp_ctx );
+ }
+
+ *new_glist = new_groups;
+ *n_new_glist = (uint32)new_groups_size;
+
+ out:
+ TALLOC_FREE( tmp_ctx );
+
+ return status;
+}
+
+/***********************************************************************
+ Fill in the group membership field of a NT group given by group_sid
+***********************************************************************/
static BOOL fill_grent_mem(struct winbindd_domain *domain,
+ struct winbindd_cli_state *state,
DOM_SID *group_sid,
- enum SID_NAME_USE group_name_type,
- int *num_gr_mem, char **gr_mem, int *gr_mem_len)
+ enum lsa_SidType group_name_type,
+ size_t *num_gr_mem, char **gr_mem, size_t *gr_mem_len)
{
- DOM_SID **sid_mem = NULL;
uint32 num_names = 0;
- uint32 *name_types = NULL;
- unsigned int buf_len, buf_ndx, i;
- char **names = NULL, *buf;
+ unsigned int buf_len = 0, buf_ndx = 0, i;
+ char **names = NULL, *buf = NULL;
BOOL result = False;
TALLOC_CTX *mem_ctx;
- NTSTATUS status;
- fstring sid_string;
+ uint32 group_rid;
+ DOM_SID *glist = NULL;
+ DOM_SID *new_glist = NULL;
+ uint32 n_glist, n_new_glist;
+ int max_depth = lp_winbind_expand_groups();
if (!(mem_ctx = talloc_init("fill_grent_mem(%s)", domain->name)))
return False;
- /* Initialise group membership information */
-
- DEBUG(10, ("group SID %s\n", sid_to_string(sid_string, group_sid)));
+ DEBUG(10, ("group SID %s\n", sid_string_static(group_sid)));
+
+ /* Initialize with no members */
*num_gr_mem = 0;
-
- if (group_name_type != SID_NAME_DOM_GRP) {
- DEBUG(1, ("SID %s in domain %s isn't a domain group\n",
- sid_to_string(sid_string, group_sid), domain->name));
- goto done;
- }
- /* Lookup group members */
- status = domain->methods->lookup_groupmem(domain, mem_ctx, group_sid, &num_names,
- &sid_mem, &names, &name_types);
- if (!NT_STATUS_IS_OK(status)) {
- DEBUG(1, ("could not lookup membership for group rid %s in domain %s (error: %s)\n",
- sid_to_string(sid_string, group_sid), domain->name, nt_errstr(status)));
+ /* HACK ALERT!! This whole routine does not cope with group members
+ * from more than one domain, ie aliases. Thus we have to work it out
+ * ourselves in a special routine. */
+ if (domain->internal) {
+ result = fill_passdb_alias_grmem(domain, group_sid,
+ num_gr_mem,
+ gr_mem, gr_mem_len);
goto done;
}
- DEBUG(10, ("looked up %d names\n", num_names));
+ /* Verify name type */
- if (DEBUGLEVEL >= 10) {
- for (i = 0; i < num_names; i++)
- DEBUG(10, ("\t%20s %s %d\n", names[i], sid_to_string(sid_string, sid_mem[i]),
- name_types[i]));
+ if ( !((group_name_type==SID_NAME_DOM_GRP) ||
+ ((group_name_type==SID_NAME_ALIAS) && domain->primary)) )
+ {
+ DEBUG(1, ("SID %s in domain %s isn't a domain group (%d)\n",
+ sid_string_static(group_sid), domain->name,
+ group_name_type));
+ goto done;
}
- /* Add members to list */
+ /* OPTIMIZATION / HACK. See comment in
+ fill_grent_mem_domusers() */
- buf = NULL;
- buf_len = buf_ndx = 0;
+ sid_peek_rid( group_sid, &group_rid );
+ if (!lp_winbind_enum_users() && group_rid == DOMAIN_GROUP_RID_USERS) {
+ result = fill_grent_mem_domusers( mem_ctx, domain, state,
+ group_sid, group_name_type,
+ num_gr_mem, gr_mem,
+ gr_mem_len );
+ goto done;
+ }
- again:
+ /* Real work goes here. Create a list of group names to
+ expand startign with the initial one. Pass that to
+ expand_groups() which returns a list of more group names
+ to expand. Do this up to the max search depth. */
- for (i = 0; i < num_names; i++) {
- char *the_name;
- fstring name;
- int len;
-
- the_name = names[i];
+ if ( (glist = TALLOC_ARRAY(mem_ctx, DOM_SID, 1 )) == NULL ) {
+ result = False;
+ DEBUG(0,("fill_grent_mem: talloc failure!\n"));
+ goto done;
+ }
+ sid_copy( &glist[0], group_sid );
+ n_glist = 1;
+
+ for ( i=0; i<max_depth && glist; i++ ) {
+ uint32 n_members = 0;
+ char **members = NULL;
+ NTSTATUS nt_status;
+
+ nt_status = expand_groups( mem_ctx, domain,
+ glist, n_glist,
+ &new_glist, &n_new_glist,
+ &members, &n_members);
+ if ( !NT_STATUS_IS_OK(nt_status) ) {
+ result = False;
+ goto done;
+ }
+
+ /* Add new group members to list */
- DEBUG(10, ("processing name %s\n", the_name));
+ nt_status = add_names_to_list( mem_ctx, &names, &num_names,
+ members, n_members );
+ if ( !NT_STATUS_IS_OK(nt_status) ) {
+ result = False;
+ goto done;
+ }
+
+ TALLOC_FREE( members );
- /* FIXME: need to cope with groups within groups. These
- occur in Universal groups on a Windows 2000 native mode
- server. */
+ /* If we have no more groups to expand, break out
+ early */
- if (name_types[i] != SID_NAME_USER) {
- DEBUG(3, ("name %s isn't a domain user\n", the_name));
- continue;
- }
+ if ( !&new_glist )
+ break;
- /* Don't bother with machine accounts */
-
- if (the_name[strlen(the_name) - 1] == '$') {
- DEBUG(10, ("%s is machine account\n", the_name));
- continue;
- }
+ /* One more round */
+ TALLOC_FREE(glist);
+ glist = new_glist;
+ n_glist = n_new_glist;
+ }
+ TALLOC_FREE( glist );
+
+ DEBUG(10, ("looked up %d names\n", num_names));
- /* Append domain name */
+ again:
+ /* Add members to list */
- fill_domain_username(name, domain->name, the_name);
+ for (i = 0; i < num_names; i++) {
+ int len;
+
+ DEBUG(10, ("processing name %s\n", names[i]));
- len = strlen(name);
+ len = strlen(names[i]);
/* Add to list or calculate buffer length */
(*num_gr_mem)++;
DEBUG(10, ("buf_len + %d = %d\n", len + 1, buf_len));
} else {
- DEBUG(10, ("appending %s at ndx %d\n", name, len));
- safe_strcpy(&buf[buf_ndx], name, len);
+ DEBUG(10, ("appending %s at ndx %d\n", names[i], buf_ndx));
+ safe_strcpy(&buf[buf_ndx], names[i], len);
buf_ndx += len;
buf[buf_ndx] = ',';
buf_ndx++;
/* Allocate buffer */
if (!buf && buf_len != 0) {
- if (!(buf = malloc(buf_len))) {
+ if (!(buf = (char *)SMB_MALLOC(buf_len))) {
DEBUG(1, ("out of memory\n"));
result = False;
goto done;
goto again;
}
+ /* Now we're done */
+
if (buf && buf_ndx > 0) {
buf[buf_ndx - 1] = '\0';
}
*gr_mem = buf;
*gr_mem_len = buf_len;
- DEBUG(10, ("num_mem = %d, len = %d, mem = %s\n", *num_gr_mem,
- buf_len, *num_gr_mem ? buf : "NULL"));
+ DEBUG(10, ("num_mem = %u, len = %u, mem = %s\n", (unsigned int)*num_gr_mem,
+ (unsigned int)buf_len, *num_gr_mem ? buf : "NULL"));
result = True;
done:
return result;
}
+static void winbindd_getgrsid( struct winbindd_cli_state *state, DOM_SID group_sid );
+
+static void getgrnam_recv( void *private_data, BOOL success, const DOM_SID *sid,
+ enum lsa_SidType type )
+{
+ struct winbindd_cli_state *state = (struct winbindd_cli_state*)private_data;
+
+ if (!success) {
+ DEBUG(5,("getgrnam_recv: lookupname failed!\n"));
+ request_error(state);
+ return;
+ }
+
+ if ( (type != SID_NAME_DOM_GRP) && (type != SID_NAME_ALIAS) ) {
+ DEBUG(5,("getgrnam_recv: not a group!\n"));
+ request_error(state);
+ return;
+ }
+
+ winbindd_getgrsid( state, *sid );
+}
+
+
/* Return a group structure from a group name */
-enum winbindd_result winbindd_getgrnam(struct winbindd_cli_state *state)
+void winbindd_getgrnam(struct winbindd_cli_state *state)
{
- DOM_SID group_sid;
struct winbindd_domain *domain;
- enum SID_NAME_USE name_type;
fstring name_domain, name_group;
- char *tmp, *gr_mem;
- int gr_mem_len;
- gid_t gid;
+ char *tmp;
/* Ensure null termination */
state->request.data.groupname[sizeof(state->request.data.groupname)-1]='\0';
- DEBUG(3, ("[%5d]: getgrnam %s\n", state->pid,
+ DEBUG(3, ("[%5lu]: getgrnam %s\n", (unsigned long)state->pid,
state->request.data.groupname));
/* Parse domain and groupname */
memset(name_group, 0, sizeof(fstring));
tmp = state->request.data.groupname;
- if (!parse_domain_user(tmp, name_domain, name_group))
- return WINBINDD_ERROR;
+
+ name_domain[0] = '\0';
+ name_group[0] = '\0';
+
+ parse_domain_user(tmp, name_domain, name_group);
+
+ /* if no domain or our local domain and no local tdb group, default to
+ * our local domain for aliases */
+
+ if ( !*name_domain || strequal(name_domain, get_global_sam_name()) ) {
+ fstrcpy(name_domain, get_global_sam_name());
+ }
/* Get info for the domain */
if ((domain = find_domain_from_name(name_domain)) == NULL) {
- DEBUG(0, ("could not get domain sid for domain %s\n",
+ DEBUG(3, ("could not get domain sid for domain %s\n",
name_domain));
- return WINBINDD_ERROR;
+ request_error(state);
+ return;
+ }
+ /* should we deal with users for our domain? */
+
+ if ( lp_winbind_trusted_domains_only() && domain->primary) {
+ DEBUG(7,("winbindd_getgrnam: My domain -- rejecting "
+ "getgrnam() for %s\\%s.\n", name_domain, name_group));
+ request_error(state);
+ return;
}
/* Get rid and name type from name */
+
+ ws_name_replace( name_group, WB_REPLACE_CHAR );
- if (!winbindd_lookup_sid_by_name(domain, name_group, &group_sid,
- &name_type)) {
- DEBUG(1, ("group %s in domain %s does not exist\n",
- name_group, name_domain));
- return WINBINDD_ERROR;
+ winbindd_lookupname_async( state->mem_ctx, domain->name, name_group,
+ getgrnam_recv, WINBINDD_GETGRNAM, state );
+}
+
+struct getgrsid_state {
+ struct winbindd_cli_state *state;
+ struct winbindd_domain *domain;
+ char *group_name;
+ enum lsa_SidType group_type;
+ uid_t gid;
+ DOM_SID group_sid;
+};
+
+static void getgrsid_sid2gid_recv(void *private_data, BOOL success, gid_t gid)
+ {
+ struct getgrsid_state *s =
+ (struct getgrsid_state *)private_data;
+ struct winbindd_domain *domain;
+ size_t gr_mem_len;
+ size_t num_gr_mem;
+ char *gr_mem;
+ fstring dom_name, group_name;
+
+ if (!success) {
+ DEBUG(5,("getgrsid_sid2gid_recv: sid2gid failed!\n"));
+ request_error(s->state);
+ return;
}
- if ((name_type != SID_NAME_ALIAS) && (name_type != SID_NAME_DOM_GRP)) {
- DEBUG(1, ("name '%s' is not a local or domain group: %d\n",
- name_group, name_type));
- return WINBINDD_ERROR;
+ s->gid = gid;
+
+ if ( !parse_domain_user( s->group_name, dom_name, group_name ) ) {
+ DEBUG(5,("getgrsid_sid2gid_recv: parse_domain_user() failed!\n"));
+ request_error(s->state);
+ return;
}
- if (NT_STATUS_IS_ERR(sid_to_gid(&group_sid, &gid))) {
- DEBUG(1, ("error converting unix gid to sid\n"));
- return WINBINDD_ERROR;
+
+ /* Fill in group structure */
+
+ if ( (domain = find_domain_from_name_noinit(dom_name)) == NULL ) {
+ DEBUG(1,("Can't find domain from name (%s)\n", dom_name));
+ request_error(s->state);
+ return;
}
- if (!fill_grent(&state->response.data.gr, name_domain,
- name_group, gid) ||
- !fill_grent_mem(domain, &group_sid, name_type,
- &state->response.data.gr.num_gr_mem,
- &gr_mem, &gr_mem_len)) {
- return WINBINDD_ERROR;
+ if (!fill_grent(&s->state->response.data.gr, dom_name, group_name, gid) ||
+ !fill_grent_mem(domain, s->state, &s->group_sid, s->group_type,
+ &num_gr_mem, &gr_mem, &gr_mem_len))
+ {
+ request_error(s->state);
+ return;
}
- /* Group membership lives at start of extra data */
+ s->state->response.data.gr.num_gr_mem = (uint32)num_gr_mem;
- state->response.data.gr.gr_mem_ofs = 0;
+ /* Group membership lives at start of extra data */
- state->response.length += gr_mem_len;
- state->response.extra_data = gr_mem;
+ s->state->response.data.gr.gr_mem_ofs = 0;
- return WINBINDD_OK;
-}
+ s->state->response.length += gr_mem_len;
+ s->state->response.extra_data.data = gr_mem;
-/* Return a group structure from a gid number */
+ request_ok(s->state);
+ }
-enum winbindd_result winbindd_getgrgid(struct winbindd_cli_state *state)
+static void getgrsid_lookupsid_recv( void *private_data, BOOL success,
+ const char *dom_name, const char *name,
+ enum lsa_SidType name_type )
{
- struct winbindd_domain *domain;
- DOM_SID group_sid;
- enum SID_NAME_USE name_type;
- fstring dom_name;
- fstring group_name;
- int gr_mem_len;
- char *gr_mem;
+ struct getgrsid_state *s = (struct getgrsid_state *)private_data;
- DEBUG(3, ("[%5d]: getgrgid %d\n", state->pid,
- state->request.data.gid));
+ if (!success) {
+ DEBUG(5,("getgrsid_lookupsid_recv: lookupsid failed!\n"));
+ request_error(s->state);
+ return;
+ }
- /* Bug out if the gid isn't in the winbind range */
+ /* either it's a domain group, a domain local group, or a
+ local group in an internal domain */
- if ((state->request.data.gid < server_state.gid_low) ||
- (state->request.data.gid > server_state.gid_high))
- return WINBINDD_ERROR;
+ if ( !( (name_type==SID_NAME_DOM_GRP) ||
+ ((name_type==SID_NAME_ALIAS) &&
+ (s->domain->primary || s->domain->internal)) ) )
+ {
+ DEBUG(1, ("name '%s\\%s' is not a local or domain group: %d\n",
+ dom_name, name, name_type));
+ request_error(s->state);
+ return;
+}
- /* Get rid from gid */
- if (NT_STATUS_IS_ERR(uid_to_sid(&group_sid, state->request.data.gid))) {
- DEBUG(1, ("could not convert gid %d to rid\n",
- state->request.data.gid));
- return WINBINDD_ERROR;
+ if ( (s->group_name = talloc_asprintf( s->state->mem_ctx,
+ "%s\\%s",
+ dom_name, name )) == NULL )
+{
+ DEBUG(1, ("getgrsid_lookupsid_recv: talloc_asprintf() Failed!\n"));
+ request_error(s->state);
+ return;
}
- /* Get name from sid */
+ s->group_type = name_type;
- if (!winbindd_lookup_name_by_sid(&group_sid, dom_name, group_name, &name_type)) {
- DEBUG(1, ("could not lookup sid\n"));
- return WINBINDD_ERROR;
+ winbindd_sid2gid_async(s->state->mem_ctx, &s->group_sid,
+ getgrsid_sid2gid_recv, s);
}
- if (!((name_type == SID_NAME_ALIAS) ||
- (name_type == SID_NAME_DOM_GRP))) {
- DEBUG(1, ("name '%s' is not a local or domain group: %d\n",
- group_name, name_type));
- return WINBINDD_ERROR;
- }
+static void winbindd_getgrsid( struct winbindd_cli_state *state, const DOM_SID group_sid )
+ {
+ struct getgrsid_state *s;
- /* Fill in group structure */
+ if ( (s = TALLOC_ZERO_P(state->mem_ctx, struct getgrsid_state)) == NULL ) {
+ DEBUG(0, ("talloc failed\n"));
+ request_error(state);
+ return;
+ }
- domain = find_domain_from_sid(&group_sid);
+ s->state = state;
- if (!domain) {
- DEBUG(1,("Can't find domain from sid\n"));
- return WINBINDD_ERROR;
+ if ( (s->domain = find_domain_from_sid_noinit(&group_sid)) == NULL ) {
+ DEBUG(3, ("Could not find domain for sid %s\n",
+ sid_string_static(&group_sid)));
+ request_error(state);
+ return;
}
- if (!fill_grent(&state->response.data.gr, dom_name, group_name,
- state->request.data.gid) ||
- !fill_grent_mem(domain, &group_sid, name_type,
- &state->response.data.gr.num_gr_mem,
- &gr_mem, &gr_mem_len))
- return WINBINDD_ERROR;
+ sid_copy(&s->group_sid, &group_sid);
+
+ winbindd_lookupsid_async( s->state->mem_ctx, &group_sid,
+ getgrsid_lookupsid_recv, s );
+}
- /* Group membership lives at start of extra data */
- state->response.data.gr.gr_mem_ofs = 0;
+static void getgrgid_recv(void *private_data, BOOL success, const char *sid)
+{
+ struct winbindd_cli_state *state = talloc_get_type_abort(private_data, struct winbindd_cli_state);
+ enum lsa_SidType name_type;
+ DOM_SID group_sid;
- state->response.length += gr_mem_len;
- state->response.extra_data = gr_mem;
+ if (success) {
+ DEBUG(10,("getgrgid_recv: gid %lu has sid %s\n",
+ (unsigned long)(state->request.data.gid), sid));
- return WINBINDD_OK;
+ string_to_sid(&group_sid, sid);
+ winbindd_getgrsid(state, group_sid);
+ return;
+ }
+
+ /* Ok, this might be "ours", i.e. an alias */
+ if (pdb_gid_to_sid(state->request.data.gid, &group_sid) &&
+ lookup_sid(state->mem_ctx, &group_sid, NULL, NULL, &name_type) &&
+ (name_type == SID_NAME_ALIAS)) {
+ /* Hey, got an alias */
+ DEBUG(10,("getgrgid_recv: we have an alias with gid %lu and sid %s\n",
+ (unsigned long)(state->request.data.gid), sid));
+ winbindd_getgrsid(state, group_sid);
+ return;
+ }
+
+ DEBUG(1, ("could not convert gid %lu to sid\n",
+ (unsigned long)state->request.data.gid));
+ request_error(state);
+}
+
+/* Return a group structure from a gid number */
+void winbindd_getgrgid(struct winbindd_cli_state *state)
+{
+ DEBUG(3, ("[%5lu]: getgrgid %lu\n", (unsigned long)state->pid,
+ (unsigned long)state->request.data.gid));
+
+ /* always use the async interface */
+ winbindd_gid2sid_async(state->mem_ctx, state->request.data.gid, getgrgid_recv, state);
}
/*
/* "Rewind" file pointer for group database enumeration */
-enum winbindd_result winbindd_setgrent(struct winbindd_cli_state *state)
+static BOOL winbindd_setgrent_internal(struct winbindd_cli_state *state)
{
struct winbindd_domain *domain;
- DEBUG(3, ("[%5d]: setgrent\n", state->pid));
+ DEBUG(3, ("[%5lu]: setgrent\n", (unsigned long)state->pid));
/* Check user has enabled this */
- if (!lp_winbind_enum_groups())
- return WINBINDD_ERROR;
+ if (!lp_winbind_enum_groups()) {
+ return False;
+ }
/* Free old static data if it exists */
struct getent_state *domain_state;
/* Create a state record for this domain */
+
+ /* don't add our domaina if we are a PDC or if we
+ are a member of a Samba domain */
+
+ if ( lp_winbind_trusted_domains_only() && domain->primary )
+ {
+ continue;
+ }
+
- if ((domain_state = (struct getent_state *)
- malloc(sizeof(struct getent_state))) == NULL) {
+ if ((domain_state = SMB_MALLOC_P(struct getent_state)) == NULL) {
DEBUG(1, ("winbindd_setgrent: malloc failed for domain_state!\n"));
- return WINBINDD_ERROR;
+ return False;
}
ZERO_STRUCTP(domain_state);
DLIST_ADD(state->getgrent_state, domain_state);
}
- return WINBINDD_OK;
+ state->getgrent_initialized = True;
+ return True;
+}
+
+void winbindd_setgrent(struct winbindd_cli_state *state)
+{
+ if (winbindd_setgrent_internal(state)) {
+ request_ok(state);
+ } else {
+ request_error(state);
+ }
}
/* Close file pointer to ntdom group database */
-enum winbindd_result winbindd_endgrent(struct winbindd_cli_state *state)
+void winbindd_endgrent(struct winbindd_cli_state *state)
{
- DEBUG(3, ("[%5d]: endgrent\n", state->pid));
+ DEBUG(3, ("[%5lu]: endgrent\n", (unsigned long)state->pid));
free_getent_state(state->getgrent_state);
+ state->getgrent_initialized = False;
state->getgrent_state = NULL;
-
- return WINBINDD_OK;
+ request_ok(state);
}
/* Get the list of domain groups and domain aliases for a domain. We fill in
The dispinfo_ndx field is incremented to the index of the next group to
fetch. Return True if some groups were returned, False otherwise. */
-#define MAX_FETCH_SAM_ENTRIES 100
-
static BOOL get_sam_group_entries(struct getent_state *ent)
{
NTSTATUS status;
uint32 num_entries;
- struct acct_info *name_list = NULL, *tmp_name_list = NULL;
+ struct acct_info *name_list = NULL;
TALLOC_CTX *mem_ctx;
BOOL result = False;
struct acct_info *sam_grp_entries = NULL;
/* Copy entries into return buffer */
if (num_entries) {
- if ( !(name_list = malloc(sizeof(struct acct_info) * num_entries)) ) {
+ if ( !(name_list = SMB_MALLOC_ARRAY(struct acct_info, num_entries)) ) {
DEBUG(0,("get_sam_group_entries: Failed to malloc memory for %d domain groups!\n",
num_entries));
result = False;
ent->num_sam_entries = num_entries;
- /* get the domain local groups if we are a member of
- a native win2k domain */
+ /* get the domain local groups if we are a member of a native win2k domain
+ and are not using LDAP to get the groups */
- if ( domain->native_mode && domain->methods->enum_local_groups )
+ if ( ( lp_security() != SEC_ADS && domain->native_mode
+ && domain->primary) || domain->internal )
{
- DEBUG(4,("get_sam_group_entries: Native Mode 2k domain; enumerating local groups as well\n"));
+ DEBUG(4,("get_sam_group_entries: %s domain; enumerating local groups as well\n",
+ domain->native_mode ? "Native Mode 2k":"BUILTIN or local"));
status = domain->methods->enum_local_groups(domain, mem_ctx, &num_entries, &sam_grp_entries);
/* Copy entries into return buffer */
if ( num_entries ) {
- if ( !(tmp_name_list = Realloc( name_list, sizeof(struct acct_info) * (ent->num_sam_entries+num_entries))) )
+ if ( !(name_list = SMB_REALLOC_ARRAY( name_list, struct acct_info, ent->num_sam_entries+num_entries)) )
{
DEBUG(0,("get_sam_group_entries: Failed to realloc more memory for %d local groups!\n",
num_entries));
result = False;
- SAFE_FREE( name_list );
goto done;
}
- name_list = tmp_name_list;
-
memcpy( &name_list[ent->num_sam_entries], sam_grp_entries,
num_entries * sizeof(struct acct_info) );
}
#define MAX_GETGRENT_GROUPS 500
-enum winbindd_result winbindd_getgrent(struct winbindd_cli_state *state)
+void winbindd_getgrent(struct winbindd_cli_state *state)
{
struct getent_state *ent;
struct winbindd_gr *group_list = NULL;
- int num_groups, group_list_ndx = 0, i, gr_mem_list_len = 0;
- char *new_extra_data, *gr_mem_list = NULL;
+ int num_groups, group_list_ndx, gr_mem_list_len = 0;
+ char *gr_mem_list = NULL;
- DEBUG(3, ("[%5d]: getgrent\n", state->pid));
+ DEBUG(3, ("[%5lu]: getgrent\n", (unsigned long)state->pid));
/* Check user has enabled this */
- if (!lp_winbind_enum_groups())
- return WINBINDD_ERROR;
+ if (!lp_winbind_enum_groups()) {
+ request_error(state);
+ return;
+ }
num_groups = MIN(MAX_GETGRENT_GROUPS, state->request.data.num_entries);
- if ((state->response.extra_data =
- malloc(num_groups * sizeof(struct winbindd_gr))) == NULL)
- return WINBINDD_ERROR;
+ if (num_groups == 0) {
+ request_error(state);
+ return;
+ }
+
+ if ((state->response.extra_data.data = SMB_MALLOC_ARRAY(struct winbindd_gr, num_groups)) == NULL) {
+ request_error(state);
+ return;
+ }
+
+ memset(state->response.extra_data.data, '\0',
+ num_groups * sizeof(struct winbindd_gr) );
state->response.data.num_entries = 0;
- group_list = (struct winbindd_gr *)state->response.extra_data;
+ group_list = (struct winbindd_gr *)state->response.extra_data.data;
- if (!(ent = state->getgrent_state))
- return WINBINDD_ERROR;
+ if (!state->getgrent_initialized)
+ winbindd_setgrent_internal(state);
+
+ if (!(ent = state->getgrent_state)) {
+ request_error(state);
+ return;
+ }
/* Start sending back groups */
- for (i = 0; i < num_groups; i++) {
+ for (group_list_ndx = 0; group_list_ndx < num_groups; ) {
struct acct_info *name_list = NULL;
fstring domain_group_name;
uint32 result;
gid_t group_gid;
- int gr_mem_len;
- char *gr_mem, *new_gr_mem_list;
+ size_t gr_mem_len;
+ char *gr_mem;
DOM_SID group_sid;
struct winbindd_domain *domain;
break;
}
- name_list = ent->sam_entries;
+ name_list = (struct acct_info *)ent->sam_entries;
if (!(domain =
find_domain_from_name(ent->domain_name))) {
sid_copy(&group_sid, &domain->sid);
sid_append_rid(&group_sid, name_list[ent->sam_entry_index].rid);
- if (NT_STATUS_IS_ERR(sid_to_gid(&group_sid, &group_gid))) {
-
- DEBUG(1, ("could not look up gid for group %s\n",
- name_list[ent->sam_entry_index].acct_name));
-
- ent->sam_entry_index++;
- goto tryagain;
+ if (!NT_STATUS_IS_OK(idmap_sid_to_gid(&group_sid, &group_gid))) {
+ union unid_t id;
+ enum lsa_SidType type;
+
+ DEBUG(10, ("SID %s not in idmap\n",
+ sid_string_static(&group_sid)));
+
+ if (!pdb_sid_to_id(&group_sid, &id, &type)) {
+ DEBUG(1, ("could not look up gid for group "
+ "%s\n",
+ name_list[ent->sam_entry_index].acct_name));
+ ent->sam_entry_index++;
+ goto tryagain;
+ }
+
+ if ((type != SID_NAME_DOM_GRP) &&
+ (type != SID_NAME_ALIAS) &&
+ (type != SID_NAME_WKN_GRP)) {
+ DEBUG(1, ("Group %s is a %s, not a group\n",
+ sid_type_lookup(type),
+ name_list[ent->sam_entry_index].acct_name));
+ ent->sam_entry_index++;
+ goto tryagain;
+ }
+ group_gid = id.gid;
}
- DEBUG(10, ("got gid %d for group %x\n", group_gid,
- name_list[ent->sam_entry_index].rid));
+ DEBUG(10, ("got gid %lu for group %lu\n", (unsigned long)group_gid,
+ (unsigned long)name_list[ent->sam_entry_index].rid));
/* Fill in group entry */
fill_domain_username(domain_group_name, ent->domain_name,
- name_list[ent->sam_entry_index].acct_name);
+ name_list[ent->sam_entry_index].acct_name, True);
result = fill_grent(&group_list[group_list_ndx],
ent->domain_name,
/* Fill in group membership entry */
if (result) {
+ size_t num_gr_mem = 0;
DOM_SID member_sid;
group_list[group_list_ndx].num_gr_mem = 0;
gr_mem = NULL;
sid_append_rid(&member_sid, name_list[ent->sam_entry_index].rid);
result = fill_grent_mem(
domain,
+ NULL,
&member_sid,
SID_NAME_DOM_GRP,
- &group_list[group_list_ndx].num_gr_mem,
+ &num_gr_mem,
&gr_mem, &gr_mem_len);
+
+ group_list[group_list_ndx].num_gr_mem = (uint32)num_gr_mem;
}
}
if (result) {
/* Append to group membership list */
- new_gr_mem_list = Realloc(
- gr_mem_list,
- gr_mem_list_len + gr_mem_len);
+ gr_mem_list = (char *)SMB_REALLOC(
+ gr_mem_list, gr_mem_list_len + gr_mem_len);
- if (!new_gr_mem_list && (group_list[group_list_ndx].num_gr_mem != 0)) {
+ if (!gr_mem_list && (group_list[group_list_ndx].num_gr_mem != 0)) {
DEBUG(0, ("out of memory\n"));
- SAFE_FREE(gr_mem_list);
gr_mem_list_len = 0;
break;
}
- DEBUG(10, ("list_len = %d, mem_len = %d\n",
- gr_mem_list_len, gr_mem_len));
-
- gr_mem_list = new_gr_mem_list;
+ DEBUG(10, ("list_len = %d, mem_len = %u\n",
+ gr_mem_list_len, (unsigned int)gr_mem_len));
memcpy(&gr_mem_list[gr_mem_list_len], gr_mem,
gr_mem_len);
if (group_list_ndx == 0)
goto done;
- new_extra_data = Realloc(
- state->response.extra_data,
+ state->response.extra_data.data = SMB_REALLOC(
+ state->response.extra_data.data,
group_list_ndx * sizeof(struct winbindd_gr) + gr_mem_list_len);
- if (!new_extra_data) {
+ if (!state->response.extra_data.data) {
DEBUG(0, ("out of memory\n"));
group_list_ndx = 0;
- SAFE_FREE(state->response.extra_data);
SAFE_FREE(gr_mem_list);
-
- return WINBINDD_ERROR;
+ request_error(state);
+ return;
}
- state->response.extra_data = new_extra_data;
-
- memcpy(&((char *)state->response.extra_data)
+ memcpy(&((char *)state->response.extra_data.data)
[group_list_ndx * sizeof(struct winbindd_gr)],
gr_mem_list, gr_mem_list_len);
- SAFE_FREE(gr_mem_list);
-
state->response.length += gr_mem_list_len;
DEBUG(10, ("returning %d groups, length = %d\n",
done:
- return (group_list_ndx > 0) ? WINBINDD_OK : WINBINDD_ERROR;
+ SAFE_FREE(gr_mem_list);
+
+ if (group_list_ndx > 0)
+ request_ok(state);
+ else
+ request_error(state);
}
/* List domain groups without mapping to unix ids */
-enum winbindd_result winbindd_list_groups(struct winbindd_cli_state *state)
+void winbindd_list_groups(struct winbindd_cli_state *state)
{
uint32 total_entries = 0;
struct winbindd_domain *domain;
+ const char *which_domain;
char *extra_data = NULL;
- char *ted = NULL;
unsigned int extra_data_len = 0, i;
- DEBUG(3, ("[%5d]: list groups\n", state->pid));
+ DEBUG(3, ("[%5lu]: list groups\n", (unsigned long)state->pid));
+ /* Ensure null termination */
+ state->request.domain_name[sizeof(state->request.domain_name)-1]='\0';
+ which_domain = state->request.domain_name;
+
/* Enumerate over trusted domains */
for (domain = domain_list(); domain; domain = domain->next) {
struct getent_state groups;
+ /* if we have a domain name restricting the request and this
+ one in the list doesn't match, then just bypass the remainder
+ of the loop */
+
+ if ( *which_domain && !strequal(which_domain, domain->name) )
+ continue;
+
ZERO_STRUCT(groups);
/* Get list of sam groups */
- ZERO_STRUCT(groups);
+
fstrcpy(groups.domain_name, domain->name);
get_sam_group_entries(&groups);
/* Allocate some memory for extra data. Note that we limit
account names to sizeof(fstring) = 128 characters. */
- ted = Realloc(extra_data, sizeof(fstring) * total_entries);
+ extra_data = (char *)SMB_REALLOC(
+ extra_data, sizeof(fstring) * total_entries);
- if (!ted) {
+ if (!extra_data) {
DEBUG(0,("failed to enlarge buffer!\n"));
- SAFE_FREE(extra_data);
- return WINBINDD_ERROR;
- } else
- extra_data = ted;
+ request_error(state);
+ return;
+ }
/* Pack group list into extra data fields */
for (i = 0; i < groups.num_sam_entries; i++) {
groups.sam_entries)[i].acct_name;
fstring name;
- fill_domain_username(name, domain->name, group_name);
+ fill_domain_username(name, domain->name, group_name, True);
/* Append to extra data */
memcpy(&extra_data[extra_data_len], name,
strlen(name));
extra_data[extra_data_len++] = ',';
}
- free(groups.sam_entries);
+ SAFE_FREE(groups.sam_entries);
}
/* Assign extra_data fields in response structure */
if (extra_data) {
extra_data[extra_data_len - 1] = '\0';
- state->response.extra_data = extra_data;
+ state->response.extra_data.data = extra_data;
state->response.length += extra_data_len;
}
/* No domains may have responded but that's still OK so don't
return an error. */
- return WINBINDD_OK;
+ request_ok(state);
}
/* Get user supplementary groups. This is much quicker than trying to
- invert the groups database. */
+ invert the groups database. We merge the groups from the gids and
+ other_sids info3 fields as trusted domain, universal group
+ memberships, and nested groups (win2k native mode only) are not
+ returned by the getgroups RPC call but are present in the info3. */
-enum winbindd_result winbindd_getgroups(struct winbindd_cli_state *state)
-{
- fstring name_domain, name_user;
- DOM_SID user_sid;
- enum SID_NAME_USE name_type;
- uint32 num_groups, num_gids;
- NTSTATUS status;
- DOM_SID **user_gids;
+struct getgroups_state {
+ struct winbindd_cli_state *state;
struct winbindd_domain *domain;
- enum winbindd_result result = WINBINDD_ERROR;
- gid_t *gid_list;
- unsigned int i;
- TALLOC_CTX *mem_ctx;
-
+ char *domname;
+ char *username;
+ DOM_SID user_sid;
+
+ const DOM_SID *token_sids;
+ size_t i, num_token_sids;
+
+ gid_t *token_gids;
+ size_t num_token_gids;
+};
+
+static void getgroups_usersid_recv(void *private_data, BOOL success,
+ const DOM_SID *sid, enum lsa_SidType type);
+static void getgroups_tokensids_recv(void *private_data, BOOL success,
+ DOM_SID *token_sids, size_t num_token_sids);
+static void getgroups_sid2gid_recv(void *private_data, BOOL success, gid_t gid);
+
+void winbindd_getgroups(struct winbindd_cli_state *state)
+{
+ struct getgroups_state *s;
+
/* Ensure null termination */
- state->request.data.username[sizeof(state->request.data.username)-1]='\0';
+ state->request.data.username
+ [sizeof(state->request.data.username)-1]='\0';
- DEBUG(3, ("[%5d]: getgroups %s\n", state->pid,
+ DEBUG(3, ("[%5lu]: getgroups %s\n", (unsigned long)state->pid,
state->request.data.username));
- if (!(mem_ctx = talloc_init("winbindd_getgroups(%s)",
- state->request.data.username)))
- return WINBINDD_ERROR;
-
/* Parse domain and username */
- if (!parse_domain_user(state->request.data.username, name_domain,
- name_user))
- goto done;
+ s = TALLOC_P(state->mem_ctx, struct getgroups_state);
+ if (s == NULL) {
+ DEBUG(0, ("talloc failed\n"));
+ request_error(state);
+ return;
+ }
- /* Get info for the domain */
+ s->state = state;
+
+ ws_name_return( state->request.data.username, WB_REPLACE_CHAR );
+
+ if (!parse_domain_user_talloc(state->mem_ctx,
+ state->request.data.username,
+ &s->domname, &s->username)) {
+ DEBUG(5, ("Could not parse domain user: %s\n",
+ state->request.data.username));
+
+ /* error out if we do not have nested group support */
+
+ if ( !lp_winbind_nested_groups() ) {
+ request_error(state);
+ return;
+ }
+
+ s->domname = talloc_strdup( state->mem_ctx, get_global_sam_name() );
+ s->username = talloc_strdup( state->mem_ctx, state->request.data.username );
+ }
- if ((domain = find_domain_from_name(name_domain)) == NULL) {
- DEBUG(0, ("could not find domain entry for domain %s\n",
- name_domain));
- goto done;
+ /* Get info for the domain */
+
+ s->domain = find_domain_from_name_noinit(s->domname);
+
+ if (s->domain == NULL) {
+ DEBUG(7, ("could not find domain entry for domain %s\n",
+ s->domname));
+ request_error(state);
+ return;
}
+ if ( s->domain->primary && lp_winbind_trusted_domains_only()) {
+ DEBUG(7,("winbindd_getgroups: My domain -- rejecting "
+ "getgroups() for %s\\%s.\n", s->domname,
+ s->username));
+ request_error(state);
+ return;
+ }
+
/* Get rid and name type from name. The following costs 1 packet */
- if (!winbindd_lookup_sid_by_name(domain, name_user, &user_sid,
- &name_type)) {
- DEBUG(1, ("user '%s' does not exist\n", name_user));
- goto done;
+ winbindd_lookupname_async(state->mem_ctx, s->domname, s->username,
+ getgroups_usersid_recv, WINBINDD_GETGROUPS, s);
+}
+
+static void getgroups_usersid_recv(void *private_data, BOOL success,
+ const DOM_SID *sid, enum lsa_SidType type)
+{
+ struct getgroups_state *s =
+ (struct getgroups_state *)private_data;
+
+ if ((!success) ||
+ ((type != SID_NAME_USER) && (type != SID_NAME_COMPUTER))) {
+ request_error(s->state);
+ return;
}
- if (name_type != SID_NAME_USER) {
- DEBUG(1, ("name '%s' is not a user name: %d\n",
- name_user, name_type));
- goto done;
+ sid_copy(&s->user_sid, sid);
+
+ winbindd_gettoken_async(s->state->mem_ctx, &s->user_sid,
+ getgroups_tokensids_recv, s);
+}
+
+static void getgroups_tokensids_recv(void *private_data, BOOL success,
+ DOM_SID *token_sids, size_t num_token_sids)
+{
+ struct getgroups_state *s =
+ (struct getgroups_state *)private_data;
+
+ /* We need at least the user sid and the primary group in the token,
+ * otherwise it's an error */
+
+ if ((!success) || (num_token_sids < 2)) {
+ request_error(s->state);
+ return;
}
- status = domain->methods->lookup_usergroups(domain, mem_ctx,
- &user_sid, &num_groups,
- &user_gids);
- if (!NT_STATUS_IS_OK(status)) goto done;
+ s->token_sids = token_sids;
+ s->num_token_sids = num_token_sids;
+ s->i = 0;
- /* Copy data back to client */
+ s->token_gids = NULL;
+ s->num_token_gids = 0;
- num_gids = 0;
- gid_list = malloc(sizeof(gid_t) * num_groups);
+ getgroups_sid2gid_recv(s, False, 0);
+}
- if (state->response.extra_data)
- goto done;
+static void getgroups_sid2gid_recv(void *private_data, BOOL success, gid_t gid)
+{
+ struct getgroups_state *s =
+ (struct getgroups_state *)private_data;
+
+ if (success) {
+ if (!add_gid_to_array_unique(s->state->mem_ctx, gid,
+ &s->token_gids,
+ &s->num_token_gids)) {
+ return;
+ }
+ }
- for (i = 0; i < num_groups; i++) {
- gid_t gid;
-
- if (NT_STATUS_IS_ERR(sid_to_gid(user_gids[i], &gid))) {
- fstring sid_string;
+ if (s->i < s->num_token_sids) {
+ const DOM_SID *sid = &s->token_sids[s->i];
+ s->i += 1;
- DEBUG(1, ("unable to convert group sid %s to gid\n",
- sid_to_string(sid_string, user_gids[i])));
- continue;
+ if (sid_equal(sid, &s->user_sid)) {
+ getgroups_sid2gid_recv(s, False, 0);
+ return;
}
- gid_list[num_gids] = gid;
- num_gids++;
+
+ winbindd_sid2gid_async(s->state->mem_ctx, sid,
+ getgroups_sid2gid_recv, s);
+ return;
}
- state->response.data.num_entries = num_gids;
- state->response.extra_data = gid_list;
- state->response.length += num_gids * sizeof(gid_t);
+ s->state->response.data.num_entries = s->num_token_gids;
+ /* s->token_gids are talloced */
+ s->state->response.extra_data.data = smb_xmemdup(s->token_gids, s->num_token_gids * sizeof(gid_t));
+ s->state->response.length += s->num_token_gids * sizeof(gid_t);
+ request_ok(s->state);
+}
- result = WINBINDD_OK;
+/* Get user supplementary sids. This is equivalent to the
+ winbindd_getgroups() function but it involves a SID->SIDs mapping
+ rather than a NAME->SID->SIDS->GIDS mapping, which means we avoid
+ idmap. This call is designed to be used with applications that need
+ to do ACL evaluation themselves. Note that the cached info3 data is
+ not used
- done:
+ this function assumes that the SID that comes in is a user SID. If
+ you pass in another type of SID then you may get unpredictable
+ results.
+*/
- talloc_destroy(mem_ctx);
+static void getusersids_recv(void *private_data, BOOL success, DOM_SID *sids,
+ size_t num_sids);
- return result;
+void winbindd_getusersids(struct winbindd_cli_state *state)
+{
+ DOM_SID *user_sid;
+
+ /* Ensure null termination */
+ state->request.data.sid[sizeof(state->request.data.sid)-1]='\0';
+
+ user_sid = TALLOC_P(state->mem_ctx, DOM_SID);
+ if (user_sid == NULL) {
+ DEBUG(1, ("talloc failed\n"));
+ request_error(state);
+ return;
+ }
+
+ if (!string_to_sid(user_sid, state->request.data.sid)) {
+ DEBUG(1, ("Could not get convert sid %s from string\n",
+ state->request.data.sid));
+ request_error(state);
+ return;
+ }
+
+ winbindd_gettoken_async(state->mem_ctx, user_sid, getusersids_recv,
+ state);
+}
+
+static void getusersids_recv(void *private_data, BOOL success, DOM_SID *sids,
+ size_t num_sids)
+{
+ struct winbindd_cli_state *state =
+ (struct winbindd_cli_state *)private_data;
+ char *ret = NULL;
+ unsigned ofs, ret_size = 0;
+ size_t i;
+
+ if (!success) {
+ request_error(state);
+ return;
+ }
+
+ /* work out the response size */
+ for (i = 0; i < num_sids; i++) {
+ const char *s = sid_string_static(&sids[i]);
+ ret_size += strlen(s) + 1;
+ }
+
+ /* build the reply */
+ ret = (char *)SMB_MALLOC(ret_size);
+ if (!ret) {
+ DEBUG(0, ("malloc failed\n"));
+ request_error(state);
+ return;
+ }
+ ofs = 0;
+ for (i = 0; i < num_sids; i++) {
+ const char *s = sid_string_static(&sids[i]);
+ safe_strcpy(ret + ofs, s, ret_size - ofs - 1);
+ ofs += strlen(ret+ofs) + 1;
+ }
+
+ /* Send data back to client */
+ state->response.data.num_entries = num_sids;
+ state->response.extra_data.data = ret;
+ state->response.length += ret_size;
+ request_ok(state);
+}
+
+void winbindd_getuserdomgroups(struct winbindd_cli_state *state)
+{
+ DOM_SID user_sid;
+ struct winbindd_domain *domain;
+
+ /* Ensure null termination */
+ state->request.data.sid[sizeof(state->request.data.sid)-1]='\0';
+
+ if (!string_to_sid(&user_sid, state->request.data.sid)) {
+ DEBUG(1, ("Could not get convert sid %s from string\n",
+ state->request.data.sid));
+ request_error(state);
+ return;
+ }
+
+ /* Get info for the domain */
+ if ((domain = find_domain_from_sid_noinit(&user_sid)) == NULL) {
+ DEBUG(0,("could not find domain entry for sid %s\n",
+ sid_string_static(&user_sid)));
+ request_error(state);
+ return;
+ }
+
+ sendto_domain(state, domain);
+}
+
+enum winbindd_result winbindd_dual_getuserdomgroups(struct winbindd_domain *domain,
+ struct winbindd_cli_state *state)
+{
+ DOM_SID user_sid;
+ NTSTATUS status;
+
+ char *sidstring;
+ ssize_t len;
+ DOM_SID *groups;
+ uint32 num_groups;
+
+ /* Ensure null termination */
+ state->request.data.sid[sizeof(state->request.data.sid)-1]='\0';
+
+ if (!string_to_sid(&user_sid, state->request.data.sid)) {
+ DEBUG(1, ("Could not get convert sid %s from string\n",
+ state->request.data.sid));
+ return WINBINDD_ERROR;
+ }
+
+ status = domain->methods->lookup_usergroups(domain, state->mem_ctx,
+ &user_sid, &num_groups,
+ &groups);
+ if (!NT_STATUS_IS_OK(status))
+ return WINBINDD_ERROR;
+
+ if (num_groups == 0) {
+ state->response.data.num_entries = 0;
+ state->response.extra_data.data = NULL;
+ return WINBINDD_OK;
+ }
+
+ if (!print_sidlist(state->mem_ctx, groups, num_groups, &sidstring, &len)) {
+ DEBUG(0, ("talloc failed\n"));
+ return WINBINDD_ERROR;
+ }
+
+ state->response.extra_data.data = SMB_STRDUP(sidstring);
+ if (!state->response.extra_data.data) {
+ return WINBINDD_ERROR;
+ }
+ state->response.length += len+1;
+ state->response.data.num_entries = num_groups;
+
+ return WINBINDD_OK;
}
git.samba.org / ira / wip.git / blobdiff