SID_LIST sids;
} PRIV_SID_LIST;
+/*
+ interpret an old style SE_PRIV structure
+ */
+static uint64_t map_old_SE_PRIV(unsigned char *dptr)
+{
+ uint32_t *old_masks = (uint32_t *)dptr;
+ /*
+ * the old privileges code only ever used up to 0x800, except
+ * for a special case of 'SE_ALL_PRIVS' which was 0xFFFFFFFF
+ */
+ if (old_masks[0] == 0xFFFFFFFF) {
+ /* they set all privileges */
+ return SE_ALL_PRIVS;
+ }
+
+ /* the old code used the machine byte order, but we don't know
+ * the byte order of the machine that wrote it. However we can
+ * tell what byte order it was by taking advantage of the fact
+ * that it only ever use up to 0x800
+ */
+ if (dptr[0] || dptr[1]) {
+ /* it was little endian */
+ return IVAL(dptr, 0);
+ }
+
+ /* it was either zero or big-endian */
+ return RIVAL(dptr, 0);
+}
+
static bool get_privileges( const struct dom_sid *sid, uint64_t *mask )
{
}
if (data.dsize == 4*4) {
- DEBUG(3, ("get_privileges: Should not have obtained old-style privileges record for SID "
- "[%s]\n", sid_string_dbg(sid)));
- return False;
- }
+ /* it's an old style SE_PRIV structure. */
+ *mask = map_old_SE_PRIV(data.dptr);
+ } else {
+ if (data.dsize != sizeof( uint64_t ) ) {
+ DEBUG(3, ("get_privileges: Invalid privileges record assigned to SID "
+ "[%s]\n", sid_string_dbg(sid)));
+ return False;
+ }
- if (data.dsize != sizeof( uint64_t ) ) {
- DEBUG(3, ("get_privileges: Invalid privileges record assigned to SID "
- "[%s]\n", sid_string_dbg(sid)));
- return False;
+ *mask = BVAL(data.dptr, 0);
}
- *mask = BVAL(data.dptr, 0);
-
TALLOC_FREE(data.dptr);
return True;
Store the privilege mask (set) for a given SID
****************************************************************************/
-static bool set_privileges( const struct dom_sid *sid, uint64_t *mask )
+static bool set_privileges( const struct dom_sid *sid, uint64_t mask )
{
struct db_context *db = get_account_pol_db();
uint8_t privbuf[8];
fstr_sprintf(keystr, "%s%s", PRIVPREFIX, sid_to_fstring(tmp, sid));
/* This writes the 64 bit bitmask out in little endian format */
- SBVAL(privbuf,0,*mask);
+ SBVAL(privbuf,0,mask);
- data.dptr = (uint8 *)mask;
- data.dsize = sizeof(uint64_t);
+ data.dptr = privbuf;
+ data.dsize = sizeof(privbuf);
return NT_STATUS_IS_OK(dbwrap_store_bystring(db, keystr, data,
TDB_REPLACE));
return found;
}
+NTSTATUS get_privileges_for_sid_as_set(TALLOC_CTX *mem_ctx, PRIVILEGE_SET **privileges, struct dom_sid *sid)
+{
+ uint64_t mask;
+ if (!get_privileges(sid, &mask)) {
+ return NT_STATUS_OBJECT_NAME_NOT_FOUND;
+ }
+
+ *privileges = talloc_zero(mem_ctx, PRIVILEGE_SET);
+ if (!*privileges) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ if (!se_priv_to_privilege_set(*privileges, mask)) {
+ return NT_STATUS_NO_MEMORY;
+ }
+ return NT_STATUS_OK;
+}
/*********************************************************************
traversal functions for privilege_enumerate_accounts
struct dom_sid sid;
fstring sid_string;
- /* easy check first */
-
- if (rec->value.dsize != sizeof(uint64_t) )
- return 0;
-
/* check we have a PRIV_+SID entry */
if ( strncmp((char *)rec->key.dptr, PRIVPREFIX, prefixlen) != 0)
uint64_t mask;
if (rec->value.dsize == 4*4) {
- DEBUG(3, ("get_privileges: Should not have obtained old-style privileges record for SID "
- "[%s]\n", sid_string));
- return 0;
- }
-
- if (rec->value.dsize != sizeof( uint64_t ) ) {
- DEBUG(3, ("get_privileges: Invalid privileges record assigned to SID "
- "[%s]\n", sid_string));
- return 0;
+ mask = map_old_SE_PRIV(rec->value.dptr);
+ } else {
+ if (rec->value.dsize != sizeof( uint64_t ) ) {
+ DEBUG(3, ("get_privileges: Invalid privileges record assigned to SID "
+ "[%s]\n", sid_string));
+ return 0;
+ }
+ mask = BVAL(rec->value.dptr, 0);
}
- mask = BVAL(rec->value.dptr, 0);
-
/* if the SID does not have the specified privilege
then just return */
DEBUGADD( 10, ("new privilege mask: 0x%llx\n", (unsigned long long)new_mask));
- return set_privileges( sid, &new_mask );
+ return set_privileges( sid, new_mask );
}
/*********************************************************************
Add a privilege based on its name
*********************************************************************/
-bool grant_privilege_by_name(struct dom_sid *sid, const char *name)
+bool grant_privilege_by_name(const struct dom_sid *sid, const char *name)
{
uint64_t mask;
DEBUGADD( 10, ("new privilege mask: 0x%llx\n", (unsigned long long)mask));
- return set_privileges( sid, &mask );
+ return set_privileges( sid, mask );
}
/***************************************************************************
Revoke all privileges
*********************************************************************/
-bool revoke_all_privileges( struct dom_sid *sid )
+bool revoke_all_privileges( const struct dom_sid *sid )
{
return revoke_privilege_bitmap( sid, SE_ALL_PRIVS);
}
Add a privilege based on its name
*********************************************************************/
-bool revoke_privilege_by_name(struct dom_sid *sid, const char *name)
+bool revoke_privilege_by_name(const struct dom_sid *sid, const char *name)
{
uint64_t mask;
return dbwrap_delete_bystring(db, keystr);
}
-/****************************************************************************
- initialise a privilege list and set the talloc context
- ****************************************************************************/
-
-NTSTATUS privilege_set_init(PRIVILEGE_SET *priv_set)
-{
- TALLOC_CTX *mem_ctx;
-
- ZERO_STRUCTP( priv_set );
-
- mem_ctx = talloc_init("privilege set");
- if ( !mem_ctx ) {
- DEBUG(0,("privilege_set_init: failed to initialize talloc ctx!\n"));
- return NT_STATUS_NO_MEMORY;
- }
-
- priv_set->mem_ctx = mem_ctx;
-
- return NT_STATUS_OK;
-}
-
-/****************************************************************************
- initialise a privilege list and with someone else's talloc context
-****************************************************************************/
-
-NTSTATUS privilege_set_init_by_ctx(TALLOC_CTX *mem_ctx, PRIVILEGE_SET *priv_set)
-{
- ZERO_STRUCTP( priv_set );
-
- priv_set->mem_ctx = mem_ctx;
- priv_set->ext_ctx = True;
-
- return NT_STATUS_OK;
-}
-
-/****************************************************************************
- Free all memory used by a PRIVILEGE_SET
-****************************************************************************/
-
-void privilege_set_free(PRIVILEGE_SET *priv_set)
-{
- if ( !priv_set )
- return;
-
- if ( !( priv_set->ext_ctx ) )
- talloc_destroy( priv_set->mem_ctx );
-
- ZERO_STRUCTP( priv_set );
-}
-
-/****************************************************************************
- duplicate alloc luid_attr
- ****************************************************************************/
-
-NTSTATUS dup_luid_attr(TALLOC_CTX *mem_ctx, struct lsa_LUIDAttribute **new_la, struct lsa_LUIDAttribute *old_la, int count)
-{
- int i;
-
- if ( !old_la )
- return NT_STATUS_OK;
-
- if (count) {
- *new_la = TALLOC_ARRAY(mem_ctx, struct lsa_LUIDAttribute, count);
- if ( !*new_la ) {
- DEBUG(0,("dup_luid_attr: failed to alloc new struct lsa_LUIDAttribute array [%d]\n", count));
- return NT_STATUS_NO_MEMORY;
- }
- } else {
- *new_la = NULL;
- }
-
- for (i=0; i<count; i++) {
- (*new_la)[i].luid.high = old_la[i].luid.high;
- (*new_la)[i].luid.low = old_la[i].luid.low;
- (*new_la)[i].attribute = old_la[i].attribute;
- }
-
- return NT_STATUS_OK;
-}
-
/*******************************************************************
*******************************************************************/
{
uint64_t mask;
- if (!se_priv_put_all_privileges(&mask)) {
- return False;
- }
+ se_priv_put_all_privileges(&mask);
return grant_privilege_bitmap( sid, mask );
}
git.samba.org / abartlet / samba.git / .git / blobdiff