static int net_groupmap_add(struct net_context *c, int argc, const char **argv)
{
struct dom_sid sid;
fstring ntgroup = "";
fstring unixgrp = "";
fstring string_sid = "";
fstring type = "";
fstring ntcomment = "";
enum lsa_SidType sid_type = SID_NAME_DOM_GRP;
uint32 rid = 0;
gid_t gid;
int i;
GROUP_MAP *map;
const char *name_type;
const char add_usage_str[] = N_("net groupmap add "
"{rid=<int>|sid=<string>}"
" unixgroup=<string> "
"[type=<domain|local|builtin>] "
"[ntgroup=<string>] "
"[comment=<string>]");
name_type = "domain group";
if (c->display_usage) {
d_printf("%s\n%s\n", _("Usage:\n"), add_usage_str);
return 0;
}
/* get the options */
for ( i=0; i<argc; i++ ) {
if ( !strncasecmp_m(argv[i], "rid", strlen("rid")) ) {
rid = get_int_param(argv[i]);
if ( rid < DOMAIN_RID_ADMINS ) {
d_fprintf(stderr,
_("RID must be greater than %d\n"),
(uint32)DOMAIN_RID_ADMINS-1);
return -1;
}
}
else if ( !strncasecmp_m(argv[i], "unixgroup", strlen("unixgroup")) ) {
fstrcpy( unixgrp, get_string_param( argv[i] ) );
if ( !unixgrp[0] ) {
d_fprintf(stderr,_( "must supply a name\n"));
return -1;
}
}
else if ( !strncasecmp_m(argv[i], "ntgroup", strlen("ntgroup")) ) {
fstrcpy( ntgroup, get_string_param( argv[i] ) );
if ( !ntgroup[0] ) {
d_fprintf(stderr, _("must supply a name\n"));
return -1;
}
}
else if ( !strncasecmp_m(argv[i], "sid", strlen("sid")) ) {
fstrcpy( string_sid, get_string_param( argv[i] ) );
if ( !string_sid[0] ) {
d_fprintf(stderr, _("must supply a SID\n"));
return -1;
}
}
else if ( !strncasecmp_m(argv[i], "comment", strlen("comment")) ) {
fstrcpy( ntcomment, get_string_param( argv[i] ) );
if ( !ntcomment[0] ) {
d_fprintf(stderr,
_("must supply a comment string\n"));
return -1;
}
}
else if ( !strncasecmp_m(argv[i], "type", strlen("type")) ) {
fstrcpy( type, get_string_param( argv[i] ) );
switch ( type[0] ) {
case 'b':
case 'B':
sid_type = SID_NAME_WKN_GRP;
name_type = "wellknown group";
break;
case 'd':
case 'D':
sid_type = SID_NAME_DOM_GRP;
name_type = "domain group";
break;
case 'l':
case 'L':
sid_type = SID_NAME_ALIAS;
name_type = "alias (local) group";
break;
default:
d_fprintf(stderr,
_("unknown group type %s\n"),
type);
return -1;
}
}
else {
d_fprintf(stderr, _("Bad option: %s\n"), argv[i]);
return -1;
}
}
if ( !unixgrp[0] ) {
d_printf("%s\n%s\n", _("Usage:\n"), add_usage_str);
return -1;
}
if ( (gid = nametogid(unixgrp)) == (gid_t)-1 ) {
d_fprintf(stderr, _("Can't lookup UNIX group %s\n"), unixgrp);
return -1;
}
map = talloc_zero(NULL, GROUP_MAP);
if (!map) {
return -1;
}
/* Default is domain group. */
map->sid_name_use = SID_NAME_DOM_GRP;
if (pdb_getgrgid(map, gid)) {
d_printf(_("Unix group %s already mapped to SID %s\n"),
unixgrp, sid_string_tos(&map->sid));
TALLOC_FREE(map);
return -1;
}
TALLOC_FREE(map);
if ( (rid == 0) && (string_sid[0] == '\0') ) {
d_printf(_("No rid or sid specified, choosing a RID\n"));
if (pdb_capabilities() & PDB_CAP_STORE_RIDS) {
if (!pdb_new_rid(&rid)) {
d_printf(_("Could not get new RID\n"));
}
} else {
rid = algorithmic_pdb_gid_to_group_rid(gid);
}
d_printf(_("Got RID %d\n"), rid);
}
/* append the rid to our own domain/machine SID if we don't have a full SID */
if ( !string_sid[0] ) {
sid_compose(&sid, get_global_sam_sid(), rid);
sid_to_fstring(string_sid, &sid);
}
if (!ntcomment[0]) {
switch (sid_type) {
case SID_NAME_WKN_GRP:
fstrcpy(ntcomment, "Wellknown Unix group");
break;
case SID_NAME_DOM_GRP:
fstrcpy(ntcomment, "Domain Unix group");
break;
case SID_NAME_ALIAS:
fstrcpy(ntcomment, "Local Unix group");
break;
default:
fstrcpy(ntcomment, "Unix group");
break;
}
}
if (!ntgroup[0] )
strlcpy(ntgroup, unixgrp, sizeof(ntgroup));
if (!NT_STATUS_IS_OK(add_initial_entry(gid, string_sid, sid_type, ntgroup, ntcomment))) {
d_fprintf(stderr, _("adding entry for group %s failed!\n"), ntgroup);
return -1;
}
d_printf(_("Successfully added group %s to the mapping db as a %s\n"),
ntgroup, name_type);
return 0;
}
static int net_groupmap_set(struct net_context *c, int argc, const char **argv)
{
const char *ntgroup = NULL;
struct group *grp = NULL;
GROUP_MAP *map;
bool have_map = false;
if ((argc < 1) || (argc > 2) || c->display_usage) {
d_printf("%s\n%s",
_("Usage:"),
_(" net groupmap set \"NT Group\" "
"[\"unix group\"] [-C \"comment\"] [-L] [-D]\n"));
return -1;
}
if ( c->opt_localgroup && c->opt_domaingroup ) {
d_printf(_("Can only specify -L or -D, not both\n"));
return -1;
}
ntgroup = argv[0];
if (argc == 2) {
grp = getgrnam(argv[1]);
if (grp == NULL) {
d_fprintf(stderr, _("Could not find unix group %s\n"),
argv[1]);
return -1;
}
}
map = talloc_zero(NULL, GROUP_MAP);
if (!map) {
d_printf(_("Out of memory!\n"));
return -1;
}
have_map = pdb_getgrnam(map, ntgroup);
if (!have_map) {
struct dom_sid sid;
have_map = ( (strncmp(ntgroup, "S-", 2) == 0) &&
string_to_sid(&sid, ntgroup) &&
pdb_getgrsid(map, sid) );
}
if (!have_map) {
/* Ok, add it */
if (grp == NULL) {
d_fprintf(stderr,
_("Could not find group mapping for %s\n"),
ntgroup);
TALLOC_FREE(map);
return -1;
}
map->gid = grp->gr_gid;
if (c->opt_rid == 0) {
if ( pdb_capabilities() & PDB_CAP_STORE_RIDS ) {
if ( !pdb_new_rid((uint32*)&c->opt_rid) ) {
d_fprintf( stderr,
_("Could not allocate new RID\n"));
TALLOC_FREE(map);
return -1;
}
} else {
c->opt_rid = algorithmic_pdb_gid_to_group_rid(map->gid);
}
}
sid_compose(&map->sid, get_global_sam_sid(), c->opt_rid);
map->sid_name_use = SID_NAME_DOM_GRP;
map->nt_name = talloc_strdup(map, ntgroup);
map->comment = talloc_strdup(map, "");
if (!map->nt_name || !map->comment) {
d_printf(_("Out of memory!\n"));
TALLOC_FREE(map);
return -1;
}
if (!NT_STATUS_IS_OK(pdb_add_group_mapping_entry(map))) {
d_fprintf(stderr,
_("Could not add mapping entry for %s\n"),
ntgroup);
TALLOC_FREE(map);
return -1;
}
}
/* Now we have a mapping entry, update that stuff */
if ( c->opt_localgroup || c->opt_domaingroup ) {
if (map->sid_name_use == SID_NAME_WKN_GRP) {
d_fprintf(stderr,
_("Can't change type of the BUILTIN "
"group %s\n"),
map->nt_name);
TALLOC_FREE(map);
return -1;
}
}
if (c->opt_localgroup)
map->sid_name_use = SID_NAME_ALIAS;
if (c->opt_domaingroup)
map->sid_name_use = SID_NAME_DOM_GRP;
/* The case (opt_domaingroup && opt_localgroup) was tested for above */
if ((c->opt_comment != NULL) && (strlen(c->opt_comment) > 0)) {
map->comment = talloc_strdup(map, c->opt_comment);
if (!map->comment) {
d_printf(_("Out of memory!\n"));
TALLOC_FREE(map);
return -1;
}
}
if ((c->opt_newntname != NULL) && (strlen(c->opt_newntname) > 0)) {
map->nt_name = talloc_strdup(map, c->opt_newntname);
if (!map->nt_name) {
d_printf(_("Out of memory!\n"));
TALLOC_FREE(map);
return -1;
}
}
if (grp != NULL)
map->gid = grp->gr_gid;
if (!NT_STATUS_IS_OK(pdb_update_group_mapping_entry(map))) {
d_fprintf(stderr, _("Could not update group mapping for %s\n"),
ntgroup);
TALLOC_FREE(map);
return -1;
}
TALLOC_FREE(map);
return 0;
}
NTSTATUS pdb_default_create_alias(struct pdb_methods *methods,
const char *name, uint32 *rid)
{
DOM_SID sid;
enum lsa_SidType type;
uint32 new_rid;
gid_t gid;
bool exists;
GROUP_MAP map;
TALLOC_CTX *mem_ctx;
NTSTATUS status;
DEBUG(10, ("Trying to create alias %s\n", name));
mem_ctx = talloc_new(NULL);
if (mem_ctx == NULL) {
return NT_STATUS_NO_MEMORY;
}
exists = lookup_name(mem_ctx, name, LOOKUP_NAME_LOCAL,
NULL, NULL, &sid, &type);
TALLOC_FREE(mem_ctx);
if (exists) {
return NT_STATUS_ALIAS_EXISTS;
}
if (!winbind_allocate_gid(&gid)) {
DEBUG(3, ("Could not get a gid out of winbind\n"));
return NT_STATUS_ACCESS_DENIED;
}
if (!pdb_new_rid(&new_rid)) {
DEBUG(0, ("Could not allocate a RID -- wasted a gid :-(\n"));
return NT_STATUS_ACCESS_DENIED;
}
DEBUG(10, ("Creating alias %s with gid %d and rid %d\n",
name, gid, new_rid));
sid_copy(&sid, get_global_sam_sid());
sid_append_rid(&sid, new_rid);
map.gid = gid;
sid_copy(&map.sid, &sid);
map.sid_name_use = SID_NAME_ALIAS;
fstrcpy(map.nt_name, name);
fstrcpy(map.comment, "");
status = pdb_add_group_mapping_entry(&map);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(0, ("Could not add group mapping entry for alias %s "
"(%s)\n", name, nt_errstr(status)));
return status;
}
*rid = new_rid;
return NT_STATUS_OK;
}