/*
Unix SMB/CIFS implementation.
Privileges handling functions
- Copyright (C) Jean François Micouleau 1998-2001
+ Copyright (C) Jean François Micouleau 1998-2001
Copyright (C) Simo Sorce 2002-2003
- Copyright (C) Gerald (Jerry) Carter 2004
-
+ Copyright (C) Gerald (Jerry) Carter 2005
+ Copyright (C) Michael Adam 2007
+
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,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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 "lib/privileges.h"
+#include "dbwrap/dbwrap.h"
+#include "libcli/security/privileges_private.h"
+#include "../libcli/security/security.h"
+#include "passdb.h"
#define PRIVPREFIX "PRIV_"
-#define GENERATE_LUID_LOW(x) (x)+1;
-
-static SE_PRIV se_priv_all = SE_ALL_PRIVS;
-static SE_PRIV se_priv_end = SE_END;
-static SE_PRIV se_priv_none = SE_NONE;
-
-
-#define ALLOC_CHECK(ptr, err, label, str) do { if ((ptr) == NULL) \
- { DEBUG(0, ("%s: out of memory!\n", str)); err = NT_STATUS_NO_MEMORY; goto label; } } while(0)
-
-PRIVS privs[] = {
- {SE_NETWORK_LOGON, "SeNetworkLogonRight", "Access this computer from the network"},
- {SE_INTERACTIVE_LOGON, "SeInteractiveLogonRight", "Log on locally"},
- {SE_BATCH_LOGON, "SeBatchLogonRight", "Log on as a batch job"},
- {SE_SERVICE_LOGON, "SeServiceLogonRight", "Log on as a service"},
-
- {SE_MACHINE_ACCOUNT, "SeMachineAccountPrivilege", "Add machines to domain"},
- {SE_PRINT_OPERATOR, "SePrintOperatorPrivilege", "Printer Admin"},
- {SE_ADD_USERS, "SeAddUsersPrivilege", "Add users and groups to the domain"},
-
- {SE_END, "", ""}
-};
-
-
-#if 0 /* not needed currently */
-PRIVS privs[] = {
- {SE_ASSIGN_PRIMARY_TOKEN, "SeAssignPrimaryTokenPrivilege", "Assign Primary Token"},
- {SE_CREATE_TOKEN, "SeCreateTokenPrivilege", "Create Token"},
- {SE_LOCK_MEMORY, "SeLockMemoryPrivilege", "Lock Memory"},
- {SE_INCREASE_QUOTA, "SeIncreaseQuotaPrivilege", "Increase Quota"},
- {SE_UNSOLICITED_INPUT, "SeUnsolicitedInputPrivilege", "Unsolicited Input"},
- {SE_MACHINE_ACCOUNT, "SeMachineAccountPrivilege", "Can add Machine Accounts to the Domain"},
- {SE_TCB, "SeTcbPrivilege", "Act as part of the operating system"},
- {SE_SECURITY, "SeSecurityPrivilege", "Security Privilege"},
- {SE_TAKE_OWNERSHIP, "SeTakeOwnershipPrivilege", "Take Ownership Privilege"},
- {SE_LOAD_DRIVER, "SeLocalDriverPrivilege", "Local Driver Privilege"},
- {SE_SYSTEM_PROFILE, "SeSystemProfilePrivilege", "System Profile Privilege"},
- {SE_SYSTEM_TIME, "SeSystemtimePrivilege", "System Time"},
- {SE_PROF_SINGLE_PROCESS, "SeProfileSingleProcessPrivilege", "Profile Single Process Privilege"},
- {SE_INC_BASE_PRIORITY, "SeIncreaseBasePriorityPrivilege", "Increase Base Priority Privilege"},
- {SE_CREATE_PAGEFILE, "SeCreatePagefilePrivilege", "Create Pagefile Privilege"},
- {SE_CREATE_PERMANENT, "SeCreatePermanentPrivilege", "Create Permanent"},
- {SE_BACKUP, "SeBackupPrivilege", "Backup Privilege"},
- {SE_RESTORE, "SeRestorePrivilege", "Restore Privilege"},
- {SE_SHUTDOWN, "SeShutdownPrivilege", "Shutdown Privilege"},
- {SE_DEBUG, "SeDebugPrivilege", "Debug Privilege"},
- {SE_AUDIT, "SeAuditPrivilege", "Audit"},
- {SE_SYSTEM_ENVIRONMENT, "SeSystemEnvironmentPrivilege", "System Environment Privilege"},
- {SE_CHANGE_NOTIFY, "SeChangeNotifyPrivilege", "Change Notify"},
- {SE_REMOTE_SHUTDOWN, "SeRemoteShutdownPrivilege", "Remote Shutdown Privilege"},
- {SE_UNDOCK, "SeUndockPrivilege", "Undock"},
- {SE_SYNC_AGENT, "SeSynchronizationAgentPrivilege", "Synchronization Agent"},
- {SE_ENABLE_DELEGATION, "SeEnableDelegationPrivilege", "Enable Delegation"},
- {SE_PRINT_OPERATOR, "SePrintOperatorPrivilege", "Printer Operator"},
- {SE_ADD_USERS, "SeAddUsersPrivilege", "Add Users"},
- {SE_ALL_PRIVS, "SeAllPrivileges", "All Privileges"}
- {SE_END, "", ""}
-};
-#endif
-
-typedef struct priv_sid_list {
- SE_PRIV privilege;
+typedef struct {
+ uint32_t count;
+ struct dom_sid *list;
+} SID_LIST;
+
+typedef struct {
+ TALLOC_CTX *mem_ctx;
+ uint64_t privilege;
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;
+ }
-/***************************************************************************
- copy an SE_PRIV structure
-****************************************************************************/
+ /* 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);
+ }
-BOOL se_priv_copy( SE_PRIV *dst, SE_PRIV *src )
-{
- if ( !dst || !src )
- return False;
-
- memcpy( dst, src, sizeof(SE_PRIV) );
-
- return True;
+ /* it was either zero or big-endian */
+ return RIVAL(dptr, 0);
}
-/***************************************************************************
- combine 2 SE_PRIV structures and store the resulting set in mew_mask
-****************************************************************************/
-static void se_priv_add( SE_PRIV *mask, SE_PRIV *addpriv )
+static bool get_privileges( const struct dom_sid *sid, uint64_t *mask )
{
- int i;
-
- for ( i=0; i<SE_PRIV_MASKSIZE; i++ ) {
- mask->mask[i] |= addpriv->mask[i];
- }
-}
-
-/***************************************************************************
- remove one SE_PRIV sytucture from another and store the resulting set
- in mew_mask
-****************************************************************************/
+ struct db_context *db = get_account_pol_db();
+ fstring tmp, keystr;
+ TDB_DATA data;
+ NTSTATUS status;
-static void se_priv_remove( SE_PRIV *mask, SE_PRIV *removepriv )
-{
- int i;
+ /* Fail if the admin has not enable privileges */
- for ( i=0; i<SE_PRIV_MASKSIZE; i++ ) {
- mask->mask[i] &= ~removepriv->mask[i];
+ if ( !lp_enable_privileges() ) {
+ return False;
}
-}
-/***************************************************************************
- invert a given SE_PRIV and store the set in new_mask
-****************************************************************************/
+ if ( db == NULL )
+ return False;
-static void se_priv_invert( SE_PRIV *new_mask, SE_PRIV *mask )
-{
- SE_PRIV allprivs;
-
- se_priv_copy( &allprivs, &se_priv_all );
- se_priv_remove( &allprivs, mask );
- se_priv_copy( new_mask, &allprivs );
-}
+ /* PRIV_<SID> (NULL terminated) as the key */
-/***************************************************************************
- check if 2 SE_PRIV structure are equal
-****************************************************************************/
+ fstr_sprintf(keystr, "%s%s", PRIVPREFIX, sid_to_fstring(tmp, sid));
-static BOOL se_priv_equal( SE_PRIV *mask1, SE_PRIV *mask2 )
-{
- return ( memcmp(mask1, mask2, sizeof(SE_PRIV)) == 0 );
-}
+ status = dbwrap_fetch_bystring(db, talloc_tos(), keystr, &data);
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(4, ("get_privileges: No privileges assigned to SID "
+ "[%s]\n", sid_string_dbg(sid)));
+ return False;
+ }
-/***************************************************************************
- dump an SE_PRIV structure to the log files
-****************************************************************************/
+ if (data.dsize == 4*4) {
+ /* 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;
+ }
-void dump_se_priv( int dbg_cl, int dbg_lvl, SE_PRIV *mask )
-{
- int i;
-
- DEBUGADDC( dbg_cl, dbg_lvl,("SE_PRIV "));
-
- for ( i=0; i<SE_PRIV_MASKSIZE; i++ ) {
- DEBUGADDC( dbg_cl, dbg_lvl,(" 0x%x", mask->mask[i] ));
+ *mask = BVAL(data.dptr, 0);
}
-
- DEBUGADDC( dbg_cl, dbg_lvl, ("\n"));
-}
-/***************************************************************************
- Retrieve the privilege mask (set) for a given SID
-****************************************************************************/
+ TALLOC_FREE(data.dptr);
-static BOOL get_privileges( const DOM_SID *sid, SE_PRIV *mask )
-{
- TDB_CONTEXT *tdb = get_account_pol_tdb();
- fstring keystr;
- TDB_DATA key, data;
-
- if ( !tdb )
- return False;
-
- /* PRIV_<SID> (NULL terminated) as the key */
-
- fstr_sprintf( keystr, "%s%s", PRIVPREFIX, sid_string_static(sid) );
- key.dptr = keystr;
- key.dsize = strlen(keystr) + 1;
-
- data = tdb_fetch( tdb, key );
-
- if ( !data.dptr ) {
- DEBUG(3,("get_privileges: No privileges assigned to SID [%s]\n",
- sid_string_static(sid)));
- return False;
- }
-
- SMB_ASSERT( data.dsize == sizeof( SE_PRIV ) );
-
- se_priv_copy( mask, (SE_PRIV*)data.dptr );
-
return True;
}
Store the privilege mask (set) for a given SID
****************************************************************************/
-static BOOL set_privileges( const DOM_SID *sid, SE_PRIV *mask )
-{
- TDB_CONTEXT *tdb = get_account_pol_tdb();
- fstring keystr;
- TDB_DATA key, data;
-
- if ( !tdb )
- return False;
-
- /* PRIV_<SID> (NULL terminated) as the key */
-
- fstr_sprintf( keystr, "%s%s", PRIVPREFIX, sid_string_static(sid) );
- key.dptr = keystr;
- key.dsize = strlen(keystr) + 1;
-
- /* no packing. static size structure, just write it out */
-
- data.dptr = (char*)mask;
- data.dsize = sizeof(SE_PRIV);
-
- return ( tdb_store(tdb, key, data, TDB_REPLACE) != -1 );
-}
-
-/****************************************************************************
- check if the privilege is in the privilege list
-****************************************************************************/
-
-static BOOL is_privilege_assigned( SE_PRIV *privileges, SE_PRIV *check )
+static bool set_privileges( const struct dom_sid *sid, uint64_t mask )
{
- SE_PRIV p1, p2;
+ struct db_context *db = get_account_pol_db();
+ uint8_t privbuf[8];
+ fstring tmp, keystr;
+ TDB_DATA data;
- if ( !privileges || !check )
+ if ( !lp_enable_privileges() )
return False;
-
- se_priv_copy( &p1, check );
-
- /* invert the SE_PRIV we want to check for and remove that from the
- original set. If we are left with the SE_PRIV we are checking
- for then return True */
-
- se_priv_invert( &p1, check );
- se_priv_copy( &p2, privileges );
- se_priv_remove( &p2, &p1 );
-
- return se_priv_equal( &p2, check );
-}
-
-/****************************************************************************
- add a privilege to a privilege array
- ****************************************************************************/
-static BOOL privilege_set_add(PRIVILEGE_SET *priv_set, LUID_ATTR set)
-{
- LUID_ATTR *new_set;
-
- /* we can allocate memory to add the new privilege */
-
- new_set = TALLOC_REALLOC_ARRAY(priv_set->mem_ctx, priv_set->set, LUID_ATTR, priv_set->count + 1);
- if ( !new_set ) {
- DEBUG(0,("privilege_set_add: failed to allocate memory!\n"));
+ if ( db == NULL )
return False;
- }
-
- new_set[priv_set->count].luid.high = set.luid.high;
- new_set[priv_set->count].luid.low = set.luid.low;
- new_set[priv_set->count].attr = set.attr;
-
- priv_set->count++;
- priv_set->set = new_set;
-
- return True;
-}
-
-/*********************************************************************
- Generate the LUID_ATTR structure based on a bitmask
-*********************************************************************/
-LUID_ATTR get_privilege_luid( SE_PRIV *mask )
-{
- LUID_ATTR priv_luid;
- int i;
-
- priv_luid.attr = 0;
- priv_luid.luid.high = 0;
-
- for ( i=0; !se_priv_equal(&privs[i].se_priv, &se_priv_end); i++ ) {
-
- /* just use the index+1 (so its non-zero) into the
- array as the lower portion of the LUID */
-
- if ( se_priv_equal( &privs[i].se_priv, mask ) ) {
- priv_luid.luid.low = GENERATE_LUID_LOW(i);
- }
+ if ( !sid || (sid->num_auths == 0) ) {
+ DEBUG(0,("set_privileges: Refusing to store empty SID!\n"));
+ return False;
}
- return priv_luid;
-}
+ /* PRIV_<SID> (NULL terminated) as the key */
-/*********************************************************************
- Generate the LUID_ATTR structure based on a bitmask
-*********************************************************************/
+ fstr_sprintf(keystr, "%s%s", PRIVPREFIX, sid_to_fstring(tmp, sid));
-const char* get_privilege_dispname( const char *name )
-{
- int i;
+ /* This writes the 64 bit bitmask out in little endian format */
+ SBVAL(privbuf,0,mask);
- for ( i=0; !se_priv_equal(&privs[i].se_priv, &se_priv_end); i++ ) {
-
- if ( strequal( privs[i].name, name ) ) {
- return privs[i].description;
- }
- }
+ data.dptr = privbuf;
+ data.dsize = sizeof(privbuf);
- return NULL;
+ return NT_STATUS_IS_OK(dbwrap_store_bystring(db, keystr, data,
+ TDB_REPLACE));
}
/*********************************************************************
- get a list of all privleges for all sids the in list
+ get a list of all privileges for all sids in the list
*********************************************************************/
-BOOL get_privileges_for_sids(SE_PRIV *privileges, DOM_SID *slist, int scount)
+bool get_privileges_for_sids(uint64_t *privileges, struct dom_sid *slist, int scount)
{
- SE_PRIV mask;
+ uint64_t mask;
int i;
- BOOL found = False;
+ bool found = False;
+
+ *privileges = 0;
- se_priv_copy( privileges, &se_priv_none );
-
for ( i=0; i<scount; i++ ) {
/* don't add unless we actually have a privilege assigned */
if ( !get_privileges( &slist[i], &mask ) )
continue;
- DEBUG(5,("get_privileges_for_sids: sid = %s\nPrivilege set:\n",
- sid_string_static(&slist[i])));
- dump_se_priv( DBGC_ALL, 5, &mask );
-
- se_priv_add( privileges, &mask );
+ DEBUG(5,("get_privileges_for_sids: sid = %s\nPrivilege "
+ "set: 0x%llx\n", sid_string_dbg(&slist[i]),
+ (unsigned long long)mask));
+
+ *privileges |= mask;
found = True;
}
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;
+}
/*********************************************************************
- travseral functions for privilege_enumerate_accounts
+ traversal functions for privilege_enumerate_accounts
*********************************************************************/
-static int priv_traverse_fn(TDB_CONTEXT *t, TDB_DATA key, TDB_DATA data, void *state)
+static int priv_traverse_fn(struct db_record *rec, void *state)
{
- PRIV_SID_LIST *priv = state;
+ PRIV_SID_LIST *priv = (PRIV_SID_LIST *)state;
int prefixlen = strlen(PRIVPREFIX);
- DOM_SID sid;
+ struct dom_sid sid;
fstring sid_string;
-
- /* easy check first */
-
- if ( data.dsize != sizeof(SE_PRIV) )
- return 0;
+ TDB_DATA key;
+
+ key = dbwrap_record_get_key(rec);
/* check we have a PRIV_+SID entry */
- if ( strncmp(key.dptr, PRIVPREFIX, prefixlen) != 0)
+ if (strncmp((char *)key.dptr, PRIVPREFIX, prefixlen) != 0)
return 0;
-
+
/* check to see if we are looking for a particular privilege */
- if ( !se_priv_equal(&priv->privilege, &se_priv_none) ) {
- SE_PRIV mask;
-
- se_priv_copy( &mask, (SE_PRIV*)data.dptr );
-
- /* if the SID does not have the specified privilege
+ fstrcpy( sid_string, (char *)&(key.dptr[strlen(PRIVPREFIX)]) );
+
+ if (priv->privilege != 0) {
+ uint64_t mask;
+ TDB_DATA value;
+
+ value = dbwrap_record_get_value(rec);
+
+ if (value.dsize == 4*4) {
+ mask = map_old_SE_PRIV(value.dptr);
+ } else {
+ if (value.dsize != sizeof( uint64_t ) ) {
+ DEBUG(3, ("get_privileges: Invalid privileges record assigned to SID "
+ "[%s]\n", sid_string));
+ return 0;
+ }
+ mask = BVAL(value.dptr, 0);
+ }
+
+ /* if the SID does not have the specified privilege
then just return */
-
- if ( !is_privilege_assigned( &mask, &priv->privilege) )
+
+ if ((mask & priv->privilege) == 0) {
return 0;
+ }
}
-
- fstrcpy( sid_string, &key.dptr[strlen(PRIVPREFIX)] );
+
+ /* this is a last ditch safety check to preventing returning
+ and invalid SID (i've somehow run into this on development branches) */
+
+ if ( strcmp( "S-0-0", sid_string ) == 0 )
+ return 0;
if ( !string_to_sid(&sid, sid_string) ) {
DEBUG(0,("travsersal_fn_enum__acct: Could not convert SID [%s]\n",
return 0;
}
- add_sid_to_array( &sid, &priv->sids.list, &priv->sids.count );
-
+ if (!NT_STATUS_IS_OK(add_sid_to_array(priv->mem_ctx, &sid,
+ &priv->sids.list,
+ &priv->sids.count)))
+ {
+ return 0;
+ }
+
return 0;
}
Retreive list of privileged SIDs (for _lsa_enumerate_accounts()
*********************************************************************/
-NTSTATUS privilege_enumerate_accounts(DOM_SID **sids, int *num_sids)
+NTSTATUS privilege_enumerate_accounts(struct dom_sid **sids, int *num_sids)
{
- TDB_CONTEXT *tdb = get_account_pol_tdb();
+ struct db_context *db = get_account_pol_db();
PRIV_SID_LIST priv;
-
- ZERO_STRUCT(priv);
+ NTSTATUS status;
- se_priv_copy( &priv.privilege, &se_priv_none );
+ if (db == NULL) {
+ return NT_STATUS_ACCESS_DENIED;
+ }
- tdb_traverse( tdb, priv_traverse_fn, &priv);
+ ZERO_STRUCT(priv);
+
+ status = dbwrap_traverse_read(db, priv_traverse_fn, &priv, NULL);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
/* give the memory away; caller will free */
-
+
*sids = priv.sids.list;
*num_sids = priv.sids.count;
return NT_STATUS_OK;
}
-#if 0 /* JERRY - not used */
-/***************************************************************************
- Retrieve the SIDs assigned to a given privilege
-****************************************************************************/
+/*********************************************************************
+ Retrieve list of SIDs granted a particular privilege
+*********************************************************************/
- NTSTATUS priv_get_sids(const char *privname, DOM_SID **sids, int *num_sids)
+NTSTATUS privilege_enum_sids(enum sec_privilege privilege, TALLOC_CTX *mem_ctx,
+ struct dom_sid **sids, int *num_sids)
{
- TDB_CONTEXT *tdb = get_account_pol_tdb();
+ struct db_context *db = get_account_pol_db();
PRIV_SID_LIST priv;
-
- ZERO_STRUCT(priv);
+ NTSTATUS status;
- tdb_traverse( tdb, priv_traverse_fn, &priv);
+ if (db == NULL) {
+ return NT_STATUS_ACCESS_DENIED;
+ }
+
+ ZERO_STRUCT(priv);
+
+ priv.privilege = sec_privilege_mask(privilege);
+ priv.mem_ctx = mem_ctx;
+
+ status = dbwrap_traverse_read(db, priv_traverse_fn, &priv, NULL);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
/* give the memory away; caller will free */
-
+
*sids = priv.sids.list;
*num_sids = priv.sids.count;
return NT_STATUS_OK;
}
-#endif
/***************************************************************************
Add privilege to sid
****************************************************************************/
-BOOL grant_privilege(const DOM_SID *sid, SE_PRIV *priv_mask)
+static bool grant_privilege_bitmap(const struct dom_sid *sid, const uint64_t priv_mask)
{
- SE_PRIV old_mask, new_mask;
-
- if ( get_privileges( sid, &old_mask ) )
- se_priv_copy( &new_mask, &old_mask );
- else
- se_priv_copy( &new_mask, &se_priv_none );
-
- se_priv_add( &new_mask, priv_mask );
-
- DEBUG(10,("grant_privilege: %s\n", sid_string_static(sid)));
-
- DEBUGADD( 10, ("original privilege mask:\n"));
- dump_se_priv( DBGC_ALL, 10, &old_mask );
-
- DEBUGADD( 10, ("new privilege mask:\n"));
- dump_se_priv( DBGC_ALL, 10, &new_mask );
-
- return set_privileges( sid, &new_mask );
-}
-
-/*********************************************************************
- Add a privilege based on its name
-*********************************************************************/
-
-BOOL grant_privilege_by_name(DOM_SID *sid, const char *name)
-{
- int i;
+ uint64_t old_mask, new_mask;
- for ( i=0; !se_priv_equal(&privs[i].se_priv, &se_priv_end); i++ ) {
- if ( strequal(privs[i].name, name) ) {
- return grant_privilege( sid, &privs[i].se_priv );
- }
- }
+ ZERO_STRUCT( old_mask );
+ ZERO_STRUCT( new_mask );
- DEBUG(3, ("grant_privilege_by_name: No Such Privilege Found (%s)\n", name));
+ if ( get_privileges( sid, &old_mask ) )
+ new_mask = old_mask;
+ else
+ new_mask = 0;
- return False;
-}
+ new_mask |= priv_mask;
-/***************************************************************************
- Remove privilege from sid
-****************************************************************************/
+ DEBUG(10,("grant_privilege: %s\n", sid_string_dbg(sid)));
-BOOL revoke_privilege(const DOM_SID *sid, SE_PRIV *priv_mask)
-{
- SE_PRIV mask;
-
- /* if the user has no privileges, then we can't revoke any */
-
- if ( !get_privileges( sid, &mask ) )
- return True;
-
- DEBUG(10,("revoke_privilege: %s\n", sid_string_static(sid)));
-
- DEBUGADD( 10, ("original privilege mask:\n"));
- dump_se_priv( DBGC_ALL, 10, &mask );
-
- se_priv_remove( &mask, priv_mask );
-
- DEBUGADD( 10, ("new privilege mask:\n"));
- dump_se_priv( DBGC_ALL, 10, &mask );
-
- return set_privileges( sid, &mask );
-}
+ DEBUGADD( 10, ("original privilege mask: 0x%llx\n", (unsigned long long)new_mask));
-/*********************************************************************
- Revoke all privileges
-*********************************************************************/
+ DEBUGADD( 10, ("new privilege mask: 0x%llx\n", (unsigned long long)new_mask));
-BOOL revoke_all_privileges( DOM_SID *sid )
-{
- return revoke_privilege( sid, &se_priv_all );
+ return set_privileges( sid, new_mask );
}
/*********************************************************************
Add a privilege based on its name
*********************************************************************/
-BOOL revoke_privilege_by_name(DOM_SID *sid, const char *name)
+bool grant_privilege_by_name(const struct dom_sid *sid, const char *name)
{
- int i;
-
- for ( i=0; !se_priv_equal(&privs[i].se_priv, &se_priv_end); i++ ) {
- if ( strequal(privs[i].name, name) ) {
- return revoke_privilege( sid, &privs[i].se_priv );
- }
- }
+ uint64_t mask;
- DEBUG(3, ("revoke_privilege_by_name: No Such Privilege Found (%s)\n", name));
+ if (! se_priv_from_name(name, &mask)) {
+ DEBUG(3, ("grant_privilege_by_name: "
+ "No Such Privilege Found (%s)\n", name));
+ return False;
+ }
- return False;
+ return grant_privilege_bitmap( sid, mask );
}
/***************************************************************************
- Retrieve the SIDs assigned to a given privilege
+ Grant a privilege set (list of LUID values) from a sid
****************************************************************************/
-NTSTATUS privilege_create_account(const DOM_SID *sid )
+bool grant_privilege_set(const struct dom_sid *sid, struct lsa_PrivilegeSet *set)
{
- return ( grant_privilege(sid, &se_priv_none) ? NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL);
+ uint64_t privilege_mask;
+ if (!privilege_set_to_se_priv(&privilege_mask, set)) {
+ return false;
+ }
+ return grant_privilege_bitmap(sid, privilege_mask);
}
-/****************************************************************************
- initialise a privilege list and set the talloc context
- ****************************************************************************/
-NTSTATUS privilege_set_init(PRIVILEGE_SET *priv_set)
+/***************************************************************************
+ Remove privilege from sid
+****************************************************************************/
+
+static bool revoke_privilege_bitmap(const struct dom_sid *sid, const uint64_t priv_mask)
{
- NTSTATUS ret;
- TALLOC_CTX *mem_ctx;
-
- ZERO_STRUCTP( priv_set );
+ uint64_t mask;
- mem_ctx = talloc_init("privilege set");
- ALLOC_CHECK(mem_ctx, ret, done, "init_privilege");
+ /* if the user has no privileges, then we can't revoke any */
- priv_set->mem_ctx = mem_ctx;
+ if ( !get_privileges( sid, &mask ) )
+ return True;
- ret = NT_STATUS_OK;
+ DEBUG(10,("revoke_privilege: %s\n", sid_string_dbg(sid)));
-done:
- return ret;
-}
+ DEBUGADD( 10, ("original privilege mask: 0x%llx\n", (unsigned long long)mask));
-/****************************************************************************
- initialise a privilege list and with someone else's talloc context
-****************************************************************************/
+ mask &= ~priv_mask;
-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;
+ DEBUGADD( 10, ("new privilege mask: 0x%llx\n", (unsigned long long)mask));
- return NT_STATUS_OK;
+ return set_privileges( sid, mask );
}
-/****************************************************************************
- Free all memory used by a PRIVILEGE_SET
+/***************************************************************************
+ Remove a privilege set (list of LUID values) from a sid
****************************************************************************/
-void privilege_set_free(PRIVILEGE_SET *priv_set)
+bool revoke_privilege_set(const struct dom_sid *sid, struct lsa_PrivilegeSet *set)
{
- if ( !priv_set )
- return;
-
- if ( !( priv_set->ext_ctx ) )
- talloc_destroy( priv_set->mem_ctx );
-
- ZERO_STRUCTP( priv_set );
+ uint64_t privilege_mask;
+ if (!privilege_set_to_se_priv(&privilege_mask, set)) {
+ return false;
+ }
+ return revoke_privilege_bitmap(sid, privilege_mask);
}
-/****************************************************************************
- duplicate alloc luid_attr
- ****************************************************************************/
+/*********************************************************************
+ Revoke all privileges
+*********************************************************************/
-NTSTATUS dup_luid_attr(TALLOC_CTX *mem_ctx, LUID_ATTR **new_la, LUID_ATTR *old_la, int count)
+bool revoke_all_privileges( const struct dom_sid *sid )
{
- NTSTATUS ret;
- int i;
-
- /* don't crash if the source pointer is NULL (since we don't
- do priviledges now anyways) */
-
- if ( !old_la )
- return NT_STATUS_OK;
-
- *new_la = TALLOC_ARRAY(mem_ctx, LUID_ATTR, count);
- ALLOC_CHECK(new_la, ret, done, "dupalloc_luid_attr");
-
- 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].attr = old_la[i].attr;
- }
-
- ret = NT_STATUS_OK;
-
-done:
- return ret;
+ return revoke_privilege_bitmap( sid, SE_ALL_PRIVS);
}
-#if 0 /* not used */
-/****************************************************************************
- Performa deep copy of a PRIVILEGE_SET structure. Assumes an initialized
- destination structure.
-*****************************************************************************/
+/*********************************************************************
+ Add a privilege based on its name
+*********************************************************************/
- BOOL dup_privilege_set( PRIVILEGE_SET *dest, PRIVILEGE_SET *src )
+bool revoke_privilege_by_name(const struct dom_sid *sid, const char *name)
{
- NTSTATUS result;
-
- if ( !dest || !src )
- return False;
+ uint64_t mask;
- result = dup_luid_attr( dest->mem_ctx, &dest->set, src->set, src->count );
- if ( !NT_STATUS_IS_OK(result) ) {
- DEBUG(0,("dup_privilege_set: Failed to dup LUID_ATTR array [%s]\n",
- nt_errstr(result) ));
- return False;
+ if (! se_priv_from_name(name, &mask)) {
+ DEBUG(3, ("revoke_privilege_by_name: "
+ "No Such Privilege Found (%s)\n", name));
+ return False;
}
-
- dest->control = src->control;
- dest->count = src->count;
-
- return True;
-}
-#endif
-/****************************************************************************
- Does the user have the specified privilege ? We only deal with one privilege
- at a time here.
-*****************************************************************************/
+ return revoke_privilege_bitmap(sid, mask);
-BOOL user_has_privileges(NT_USER_TOKEN *token, SE_PRIV *privilege)
-{
- return is_privilege_assigned( &token->privileges, privilege );
}
-/****************************************************************************
- Convert a LUID to a named string
+/***************************************************************************
+ Retrieve the SIDs assigned to a given privilege
****************************************************************************/
-char* luid_to_privilege_name(const LUID *set)
+NTSTATUS privilege_create_account(const struct dom_sid *sid )
{
- static fstring name;
- int max = count_all_privileges();
-
- if (set->high != 0)
- return NULL;
-
- if ( set->low > max )
- return NULL;
-
- fstrcpy( name, privs[set->low - 1].name );
-
- return name;
+ return ( grant_privilege_bitmap(sid, 0) ? NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL);
}
-/****************************************************************************
- Convert an LUID to a 32-bit mask
+/***************************************************************************
+ Delete a privileged account
****************************************************************************/
-SE_PRIV* luid_to_privilege_mask(const LUID *set)
+NTSTATUS privilege_delete_account(const struct dom_sid *sid)
{
- static SE_PRIV mask;
- int max = count_all_privileges();
-
- if (set->high != 0)
- return NULL;
+ struct db_context *db = get_account_pol_db();
+ fstring tmp, keystr;
- if ( set->low > max )
- return NULL;
-
- se_priv_copy( &mask, &privs[set->low - 1].se_priv );
+ if (!lp_enable_privileges()) {
+ return NT_STATUS_OK;
+ }
- return &mask;
-}
+ if (!db) {
+ return NT_STATUS_INVALID_HANDLE;
+ }
-/*******************************************************************
- return the number of elements in the privlege array
-*******************************************************************/
+ if (!sid || (sid->num_auths == 0)) {
+ return NT_STATUS_INVALID_SID;
+ }
-int count_all_privileges( void )
-{
- static int count;
-
- if ( count )
- return count;
+ /* PRIV_<SID> (NULL terminated) as the key */
- /* loop over the array and count it */
- for ( count=0; !se_priv_equal(&privs[count].se_priv, &se_priv_end); count++ ) ;
+ fstr_sprintf(keystr, "%s%s", PRIVPREFIX, sid_to_fstring(tmp, sid));
- return count;
+ return dbwrap_delete_bystring(db, keystr);
}
-#if 0 /* not used */
/*******************************************************************
- return True is the SID has an entry in the account_pol.tdb
*******************************************************************/
- BOOL is_privileged_sid( DOM_SID *sid )
+bool is_privileged_sid( const struct dom_sid *sid )
{
- SE_PRIV mask;
-
- /* check if the lookup succeeds */
+ uint64_t mask;
return get_privileges( sid, &mask );
}
-#endif
/*******************************************************************
*******************************************************************/
-BOOL se_priv_to_privilege_set( PRIVILEGE_SET *set, SE_PRIV *mask )
+bool grant_all_privileges( const struct dom_sid *sid )
{
- int i;
- uint32 num_privs = count_all_privileges();
- LUID_ATTR luid;
-
- luid.attr = 0;
- luid.luid.high = 0;
-
- for ( i=0; i<num_privs; i++ ) {
- if ( !is_privilege_assigned(mask, &privs[i].se_priv) )
- continue;
-
- luid.luid.low = GENERATE_LUID_LOW(i);
-
- if ( !privilege_set_add( set, luid ) )
- return False;
- }
-
- return True;
-}
-
-/*******************************************************************
-*******************************************************************/
+ uint64_t mask;
-BOOL privilege_set_to_se_priv( SE_PRIV *mask, PRIVILEGE_SET *privset )
-{
- int i;
- uint32 num_privs = count_all_privileges();
-
- ZERO_STRUCTP( mask );
-
- for ( i=0; i<privset->count; i++ ) {
- SE_PRIV r;
-
- /* sanity check for invalid privilege. we really
- only care about the low 32 bits */
-
- if ( privset->set[i].luid.high != 0 )
- return False;
-
- /* make sure :LUID.low is in range */
- if ( privset->set[i].luid.low == 0 || privset->set[i].luid.low > num_privs )
- return False;
-
- r = privs[privset->set[i].luid.low - 1].se_priv;
- se_priv_add( mask, &r );
- }
+ se_priv_put_all_privileges(&mask);
- return True;
+ return grant_privilege_bitmap( sid, mask );
}
-
git.samba.org / nivanova / samba-autobuild / .git / blobdiff