#include "includes.h"
#include "winbindd.h"
#undef DBGC_CLASS
#define DBGC_CLASS DBGC_IDMAP
static NTSTATUS idmap_nss_int_init(struct idmap_domain *dom)
{
dom->initialized = True;
return NT_STATUS_OK;
}
static NTSTATUS idmap_nss_unixids_to_sids(struct idmap_domain *dom, struct id_map **ids)
{
TALLOC_CTX *ctx;
int i;
if (! dom->initialized) {
return NT_STATUS_UNSUCCESSFUL;
}
ctx = talloc_new(dom);
if ( ! ctx) {
DEBUG(0, ("Out of memory!\n"));
return NT_STATUS_NO_MEMORY;
}
for (i = 0; ids[i]; i++) {
struct passwd *pw;
struct group *gr;
const char *name;
enum lsa_SidType type;
BOOL ret;
switch (ids[i]->xid.type) {
case ID_TYPE_UID:
pw = getpwuid((uid_t)ids[i]->xid.id);
if (!pw) {
ids[i]->status = ID_UNMAPPED;
continue;
}
name = pw->pw_name;
break;
case ID_TYPE_GID:
gr = getgrgid((gid_t)ids[i]->xid.id);
if (!gr) {
ids[i]->status = ID_UNMAPPED;
continue;
}
name = gr->gr_name;
break;
default:
ids[i]->status = ID_UNKNOWN;
continue;
}
winbind_on();
ret = winbind_lookup_name(dom->name, name, ids[i]->sid, &type);
winbind_off();
if (!ret) {
ids[i]->status = ID_UNMAPPED;
continue;
}
switch (type) {
case SID_NAME_USER:
if (ids[i]->xid.type == ID_TYPE_UID) {
ids[i]->status = ID_MAPPED;
}
break;
case SID_NAME_DOM_GRP:
case SID_NAME_ALIAS:
case SID_NAME_WKN_GRP:
if (ids[i]->xid.type == ID_TYPE_GID) {
ids[i]->status = ID_MAPPED;
}
break;
default:
ids[i]->status = ID_UNKNOWN;
break;
}
}
talloc_free(ctx);
return NT_STATUS_OK;
}
static NTSTATUS idmap_nss_sids_to_unixids(struct idmap_domain *dom, struct id_map **ids)
{
TALLOC_CTX *ctx;
int i;
if (! dom->initialized) {
return NT_STATUS_UNSUCCESSFUL;
}
ctx = talloc_new(dom);
if ( ! ctx) {
DEBUG(0, ("Out of memory!\n"));
return NT_STATUS_NO_MEMORY;
}
for (i = 0; ids[i]; i++) {
struct passwd *pw;
struct group *gr;
enum lsa_SidType type;
const char *dom_name = NULL;
const char *name = NULL;
BOOL ret;
winbind_on();
ret = winbind_lookup_sid(ctx, ids[i]->sid, &dom_name, &name, &type);
winbind_off();
if (!ret) {
ids[i]->status = ID_UNMAPPED;
continue;
}
switch (type) {
case SID_NAME_USER:
pw = Get_Pwnam(name);
if (pw) {
ids[i]->xid.id = pw->pw_uid;
ids[i]->xid.type = ID_TYPE_UID;
ids[i]->status = ID_MAPPED;
}
break;
case SID_NAME_DOM_GRP:
case SID_NAME_ALIAS:
case SID_NAME_WKN_GRP:
gr = getgrnam(name);
if (gr) {
ids[i]->xid.id = gr->gr_gid;
ids[i]->xid.type = ID_TYPE_GID;
ids[i]->status = ID_MAPPED;
}
break;
default:
ids[i]->status = ID_UNKNOWN;
break;
}
}
talloc_free(ctx);
return NT_STATUS_OK;
}
static NTSTATUS idmap_nss_close(struct idmap_domain *dom)
{
return NT_STATUS_OK;
}
static struct idmap_methods nss_methods = {
.init = idmap_nss_int_init,
.unixids_to_sids = idmap_nss_unixids_to_sids,
.sids_to_unixids = idmap_nss_sids_to_unixids,
.close_fn = idmap_nss_close
};
NTSTATUS idmap_nss_init(void)
{
return smb_register_idmap(SMB_IDMAP_INTERFACE_VERSION, "nss", &nss_methods);
}