/*
- * Unix SMB/Netbios implementation.
- * Version 1.9.
+ * Unix SMB/CIFS implementation.
* RPC Pipe client / server routines
* Copyright (C) Andrew Tridgell 1992-2000,
* Copyright (C) Jean François Micouleau 1998-2001.
#include "includes.h"
-extern DOM_SID global_sam_sid;
-
static TDB_CONTEXT *tdb; /* used for driver files */
-#define DATABASE_VERSION 1
+#define DATABASE_VERSION_V1 1 /* native byte format. */
+#define DATABASE_VERSION_V2 2 /* le format. */
+
#define GROUP_PREFIX "UNIXGROUP/"
PRIVS privs[] = {
}
/****************************************************************************
-open the group mapping tdb
+initialise first time the mapping list - called from init_group_mapping()
****************************************************************************/
-BOOL init_group_mapping(void)
+static BOOL default_group_mapping(void)
+{
+ DOM_SID sid_admins;
+ DOM_SID sid_users;
+ DOM_SID sid_guests;
+ fstring str_admins;
+ fstring str_users;
+ fstring str_guests;
+ LUID_ATTR set;
+
+ PRIVILEGE_SET privilege_none;
+ PRIVILEGE_SET privilege_all;
+ PRIVILEGE_SET privilege_print_op;
+
+ init_privilege(&privilege_none);
+ init_privilege(&privilege_all);
+ init_privilege(&privilege_print_op);
+
+ set.attr=0;
+ set.luid.high=0;
+ set.luid.low=SE_PRIV_PRINT_OPERATOR;
+ add_privilege(&privilege_print_op, set);
+
+ add_all_privilege(&privilege_all);
+
+ /* Add the Wellknown groups */
+
+ add_initial_entry(-1, "S-1-5-32-544", SID_NAME_ALIAS, "Administrators", "", privilege_all, PR_ACCESS_FROM_NETWORK|PR_LOG_ON_LOCALLY);
+ add_initial_entry(-1, "S-1-5-32-545", SID_NAME_ALIAS, "Users", "", privilege_none, PR_ACCESS_FROM_NETWORK|PR_LOG_ON_LOCALLY);
+ add_initial_entry(-1, "S-1-5-32-546", SID_NAME_ALIAS, "Guests", "", privilege_none, PR_ACCESS_FROM_NETWORK);
+ add_initial_entry(-1, "S-1-5-32-547", SID_NAME_ALIAS, "Power Users", "", privilege_none, PR_ACCESS_FROM_NETWORK|PR_LOG_ON_LOCALLY);
+
+ add_initial_entry(-1, "S-1-5-32-548", SID_NAME_ALIAS, "Account Operators", "", privilege_none, PR_ACCESS_FROM_NETWORK|PR_LOG_ON_LOCALLY);
+ add_initial_entry(-1, "S-1-5-32-549", SID_NAME_ALIAS, "System Operators", "", privilege_none, PR_ACCESS_FROM_NETWORK|PR_LOG_ON_LOCALLY);
+ add_initial_entry(-1, "S-1-5-32-550", SID_NAME_ALIAS, "Print Operators", "", privilege_print_op, PR_ACCESS_FROM_NETWORK|PR_LOG_ON_LOCALLY);
+ add_initial_entry(-1, "S-1-5-32-551", SID_NAME_ALIAS, "Backup Operators", "", privilege_none, PR_ACCESS_FROM_NETWORK|PR_LOG_ON_LOCALLY);
+
+ add_initial_entry(-1, "S-1-5-32-552", SID_NAME_ALIAS, "Replicators", "", privilege_none, PR_ACCESS_FROM_NETWORK);
+
+ /* Add the defaults domain groups */
+
+ sid_copy(&sid_admins, get_global_sam_sid());
+ sid_append_rid(&sid_admins, DOMAIN_GROUP_RID_ADMINS);
+ sid_to_string(str_admins, &sid_admins);
+ add_initial_entry(-1, str_admins, SID_NAME_DOM_GRP, "Domain Admins", "", privilege_all, PR_ACCESS_FROM_NETWORK|PR_LOG_ON_LOCALLY);
+
+ sid_copy(&sid_users, get_global_sam_sid());
+ sid_append_rid(&sid_users, DOMAIN_GROUP_RID_USERS);
+ sid_to_string(str_users, &sid_users);
+ add_initial_entry(-1, str_users, SID_NAME_DOM_GRP, "Domain Users", "", privilege_none, PR_ACCESS_FROM_NETWORK|PR_LOG_ON_LOCALLY);
+
+ sid_copy(&sid_guests, get_global_sam_sid());
+ sid_append_rid(&sid_guests, DOMAIN_GROUP_RID_GUESTS);
+ sid_to_string(str_guests, &sid_guests);
+ add_initial_entry(-1, str_guests, SID_NAME_DOM_GRP, "Domain Guests", "", privilege_none, PR_ACCESS_FROM_NETWORK);
+
+ return True;
+}
+
+/****************************************************************************
+ Open the group mapping tdb.
+****************************************************************************/
+
+static BOOL init_group_mapping(void)
{
static pid_t local_pid;
char *vstring = "INFO/version";
-
- if (tdb && local_pid == sys_getpid()) return True;
+ int32 vers_id;
+
+ if (tdb && local_pid == sys_getpid())
+ return True;
tdb = tdb_open_log(lock_path("group_mapping.tdb"), 0, TDB_DEFAULT, O_RDWR|O_CREAT, 0600);
if (!tdb) {
DEBUG(0,("Failed to open group mapping database\n"));
/* handle a Samba upgrade */
tdb_lock_bystring(tdb, vstring);
- if (tdb_fetch_int(tdb, vstring) != DATABASE_VERSION) {
- tdb_traverse(tdb, (tdb_traverse_func)tdb_delete, NULL);
- tdb_store_int(tdb, vstring, DATABASE_VERSION);
+
+ /* Cope with byte-reversed older versions of the db. */
+ vers_id = tdb_fetch_int32(tdb, vstring);
+ if ((vers_id == DATABASE_VERSION_V1) || (IREV(vers_id) == DATABASE_VERSION_V1)) {
+ /* Written on a bigendian machine with old fetch_int code. Save as le. */
+ tdb_store_int32(tdb, vstring, DATABASE_VERSION_V2);
+ vers_id = DATABASE_VERSION_V2;
+ }
+
+ if (vers_id != DATABASE_VERSION_V2) {
+ tdb_traverse(tdb, tdb_traverse_delete_fn, NULL);
+ tdb_store_int32(tdb, vstring, DATABASE_VERSION_V2);
}
+
tdb_unlock_bystring(tdb, vstring);
/* write a list of default groups */
int i;
PRIVILEGE_SET *set;
- init_group_mapping();
+ if(!init_group_mapping()) {
+ DEBUG(0,("failed to initialize group mapping"));
+ return(False);
+ }
sid_to_string(string_sid, &map->sid);
{
GROUP_MAP map;
+ if(!init_group_mapping()) {
+ DEBUG(0,("failed to initialize group mapping"));
+ return(False);
+ }
+
map.gid=gid;
string_to_sid(&map.sid, sid);
map.sid_name_use=sid_name_use;
BOOL free_privilege(PRIVILEGE_SET *priv_set)
{
if (priv_set->count==0) {
- DEBUG(10,("free_privilege: count=0, nothing to clear ?\n"));
+ DEBUG(100,("free_privilege: count=0, nothing to clear ?\n"));
return False;
}
****************************************************************************/
BOOL check_empty_privilege(PRIVILEGE_SET *priv_set)
{
-
- if (priv_set->count!=0)
- return False;
-
- return True;
+ return (priv_set->count == 0);
}
/****************************************************************************
return True;
}
-/****************************************************************************
-initialise first time the mapping list
-****************************************************************************/
-BOOL default_group_mapping(void)
-{
- DOM_SID sid_admins;
- DOM_SID sid_users;
- DOM_SID sid_guests;
- fstring str_admins;
- fstring str_users;
- fstring str_guests;
- LUID_ATTR set;
-
- PRIVILEGE_SET privilege_none;
- PRIVILEGE_SET privilege_all;
- PRIVILEGE_SET privilege_print_op;
-
- init_privilege(&privilege_none);
- init_privilege(&privilege_all);
- init_privilege(&privilege_print_op);
-
- set.attr=0;
- set.luid.high=0;
- set.luid.low=SE_PRIV_PRINT_OPERATOR;
- add_privilege(&privilege_print_op, set);
-
- add_all_privilege(&privilege_all);
-
- /* Add the Wellknown groups */
-
- add_initial_entry(-1, "S-1-5-32-544", SID_NAME_ALIAS, "Administrators", "", privilege_all, PR_ACCESS_FROM_NETWORK|PR_LOG_ON_LOCALLY);
- add_initial_entry(-1, "S-1-5-32-545", SID_NAME_ALIAS, "Users", "", privilege_none, PR_ACCESS_FROM_NETWORK|PR_LOG_ON_LOCALLY);
- add_initial_entry(-1, "S-1-5-32-546", SID_NAME_ALIAS, "Guests", "", privilege_none, PR_ACCESS_FROM_NETWORK);
- add_initial_entry(-1, "S-1-5-32-547", SID_NAME_ALIAS, "Power Users", "", privilege_none, PR_ACCESS_FROM_NETWORK|PR_LOG_ON_LOCALLY);
-
- add_initial_entry(-1, "S-1-5-32-548", SID_NAME_ALIAS, "Account Operators", "", privilege_none, PR_ACCESS_FROM_NETWORK|PR_LOG_ON_LOCALLY);
- add_initial_entry(-1, "S-1-5-32-549", SID_NAME_ALIAS, "System Operators", "", privilege_none, PR_ACCESS_FROM_NETWORK|PR_LOG_ON_LOCALLY);
- add_initial_entry(-1, "S-1-5-32-550", SID_NAME_ALIAS, "Print Operators", "", privilege_print_op, PR_ACCESS_FROM_NETWORK|PR_LOG_ON_LOCALLY);
- add_initial_entry(-1, "S-1-5-32-551", SID_NAME_ALIAS, "Backup Operators", "", privilege_none, PR_ACCESS_FROM_NETWORK|PR_LOG_ON_LOCALLY);
-
- add_initial_entry(-1, "S-1-5-32-552", SID_NAME_ALIAS, "Replicators", "", privilege_none, PR_ACCESS_FROM_NETWORK);
-
- /* Add the defaults domain groups */
-
- sid_copy(&sid_admins, &global_sam_sid);
- sid_append_rid(&sid_admins, DOMAIN_GROUP_RID_ADMINS);
- sid_to_string(str_admins, &sid_admins);
- add_initial_entry(-1, str_admins, SID_NAME_DOM_GRP, "Domain Admins", "", privilege_all, PR_ACCESS_FROM_NETWORK|PR_LOG_ON_LOCALLY);
-
- sid_copy(&sid_users, &global_sam_sid);
- sid_append_rid(&sid_users, DOMAIN_GROUP_RID_USERS);
- sid_to_string(str_users, &sid_users);
- add_initial_entry(-1, str_users, SID_NAME_DOM_GRP, "Domain Users", "", privilege_none, PR_ACCESS_FROM_NETWORK|PR_LOG_ON_LOCALLY);
-
- sid_copy(&sid_guests, &global_sam_sid);
- sid_append_rid(&sid_guests, DOMAIN_GROUP_RID_GUESTS);
- sid_to_string(str_guests, &sid_guests);
- add_initial_entry(-1, str_guests, SID_NAME_DOM_GRP, "Domain Guests", "", privilege_none, PR_ACCESS_FROM_NETWORK);
-
- return True;
-}
-
-
/****************************************************************************
return the sid and the type of the unix group
****************************************************************************/
-BOOL get_group_map_from_sid(DOM_SID sid, GROUP_MAP *map)
+BOOL get_group_map_from_sid(DOM_SID sid, GROUP_MAP *map, BOOL with_priv)
{
TDB_DATA kbuf, dbuf;
pstring key;
int i;
PRIVILEGE_SET *set;
- init_group_mapping();
+ if(!init_group_mapping()) {
+ DEBUG(0,("failed to initialize group mapping"));
+ return(False);
+ }
/* the key is the SID, retrieving is direct */
ret += tdb_unpack(dbuf.dptr+ret, dbuf.dsize-ret, "d", &set->count);
DEBUG(10,("get_group_map_from_sid: %d privileges\n", map->priv_set.count));
-
- set->set=(LUID_ATTR *)malloc(set->count*sizeof(LUID_ATTR));
- if (set->set==NULL) {
- DEBUG(0,("get_group_map_from_sid: could not allocate memory for privileges\n"));
- return False;
+
+ set->set = NULL;
+ if (set->count) {
+ set->set=(LUID_ATTR *)smb_xmalloc(set->count*sizeof(LUID_ATTR));
}
for (i=0; i<set->count; i++)
return False;
}
+ /* we don't want the privileges */
+ if (with_priv==MAPPING_WITHOUT_PRIV)
+ free_privilege(set);
+
sid_copy(&map->sid, &sid);
return True;
/****************************************************************************
return the sid and the type of the unix group
****************************************************************************/
-BOOL get_group_map_from_gid(gid_t gid, GROUP_MAP *map)
+BOOL get_group_map_from_gid(gid_t gid, GROUP_MAP *map, BOOL with_priv)
{
TDB_DATA kbuf, dbuf, newkey;
fstring string_sid;
int i;
PRIVILEGE_SET *set;
- init_group_mapping();
+ if(!init_group_mapping()) {
+ DEBUG(0,("failed to initialize group mapping"));
+ return(False);
+ }
/* we need to enumerate the TDB to find the GID */
set=&map->priv_set;
ret += tdb_unpack(dbuf.dptr+ret, dbuf.dsize-ret, "d", &set->count);
-
- set->set=(LUID_ATTR *)malloc(set->count*sizeof(LUID_ATTR));
- if (set->set==NULL) {
- DEBUG(0,("get_group_map_from_sid: could not allocate memory for privileges\n"));
- return False;
+ set->set = NULL;
+ if (set->count) {
+ set->set=(LUID_ATTR *)smb_xmalloc(set->count*sizeof(LUID_ATTR));
}
for (i=0; i<set->count; i++)
continue;
}
- if (gid==map->gid)
+ if (gid==map->gid) {
+ if (!with_priv)
+ free_privilege(&map->priv_set);
return True;
-
+ }
+
free_privilege(set);
}
/****************************************************************************
return the sid and the type of the unix group
****************************************************************************/
-BOOL get_group_map_from_ntname(char *name, GROUP_MAP *map)
+BOOL get_group_map_from_ntname(char *name, GROUP_MAP *map, BOOL with_priv)
{
TDB_DATA kbuf, dbuf, newkey;
fstring string_sid;
int i;
PRIVILEGE_SET *set;
- init_group_mapping();
+ if(!init_group_mapping()) {
+ DEBUG(0,("get_group_map_from_ntname:failed to initialize group mapping"));
+ return(False);
+ }
/* we need to enumerate the TDB to find the name */
set->set=(LUID_ATTR *)malloc(set->count*sizeof(LUID_ATTR));
if (set->set==NULL) {
- DEBUG(0,("get_group_map_from_sid: could not allocate memory for privileges\n"));
+ DEBUG(0,("get_group_map_from_ntname: could not allocate memory for privileges\n"));
return False;
}
continue;
}
- if (StrCaseCmp(name, map->nt_name)==0)
+ if (StrCaseCmp(name, map->nt_name)==0) {
+ if (!with_priv)
+ free_privilege(&map->priv_set);
return True;
+ }
free_privilege(set);
}
pstring key;
fstring string_sid;
- init_group_mapping();
+ if(!init_group_mapping()) {
+ DEBUG(0,("failed to initialize group mapping"));
+ return(False);
+ }
/* the key is the SID, retrieving is direct */
enumerate the group mapping
****************************************************************************/
BOOL enum_group_mapping(enum SID_NAME_USE sid_name_use, GROUP_MAP **rmap,
- int *num_entries, BOOL unix_only)
+ int *num_entries, BOOL unix_only, BOOL with_priv)
{
TDB_DATA kbuf, dbuf, newkey;
fstring string_sid;
int i;
PRIVILEGE_SET *set;
- init_group_mapping();
+ if(!init_group_mapping()) {
+ DEBUG(0,("failed to initialize group mapping"));
+ return(False);
+ }
*num_entries=0;
*rmap=NULL;
SAFE_FREE(dbuf.dptr);
if (ret != dbuf.dsize) {
+ DEBUG(11,("enum_group_mapping: error in memory size\n"));
free_privilege(set);
continue;
}
/* list only the type or everything if UNKNOWN */
if (sid_name_use!=SID_NAME_UNKNOWN && sid_name_use!=map.sid_name_use) {
+ DEBUG(11,("enum_group_mapping: group %s is not of the requested type\n", map.nt_name));
free_privilege(set);
continue;
}
if (unix_only==ENUM_ONLY_MAPPED && map.gid==-1) {
+ DEBUG(11,("enum_group_mapping: group %s is non mapped\n", map.nt_name));
free_privilege(set);
continue;
}
string_to_sid(&map.sid, string_sid);
decode_sid_name_use(group_type, map.sid_name_use);
+ DEBUG(11,("enum_group_mapping: returning group %s of type %s\n", map.nt_name ,group_type));
mapt=(GROUP_MAP *)Realloc((*rmap), (entries+1)*sizeof(GROUP_MAP));
if (!mapt) {
mapt[entries].priv_set.count=set->count;
mapt[entries].priv_set.control=set->control;
mapt[entries].priv_set.set=set->set;
+ if (!with_priv)
+ free_privilege(&(mapt[entries].priv_set));
entries++;
}
/* get a domain group from it's SID */
-BOOL get_domain_group_from_sid(DOM_SID sid, GROUP_MAP *map)
+BOOL get_domain_group_from_sid(DOM_SID sid, GROUP_MAP *map, BOOL with_priv)
{
struct group *grp;
+ if(!init_group_mapping()) {
+ DEBUG(0,("failed to initialize group mapping"));
+ return(False);
+ }
+
DEBUG(10, ("get_domain_group_from_sid\n"));
/* if the group is NOT in the database, it CAN NOT be a domain group */
- if(!get_group_map_from_sid(sid, map))
+ if(!get_group_map_from_sid(sid, map, with_priv))
return False;
DEBUG(10, ("get_domain_group_from_sid: SID found in the TDB\n"));
/* if it's not a domain group, continue */
- if (map->sid_name_use!=SID_NAME_DOM_GRP)
+ if (map->sid_name_use!=SID_NAME_DOM_GRP) {
+ if (with_priv)
+ free_privilege(&map->priv_set);
return False;
+ }
DEBUG(10, ("get_domain_group_from_sid: SID is a domain group\n"));
- if (map->gid==-1)
+ if (map->gid==-1) {
+ if (with_priv)
+ free_privilege(&map->priv_set);
return False;
+ }
DEBUG(10, ("get_domain_group_from_sid: SID is mapped to gid:%d\n",map->gid));
if ( (grp=getgrgid(map->gid)) == NULL) {
DEBUG(10, ("get_domain_group_from_sid: gid DOESN'T exist in UNIX security\n"));
+ if (with_priv)
+ free_privilege(&map->priv_set);
return False;
}
/* get a local (alias) group from it's SID */
-BOOL get_local_group_from_sid(DOM_SID sid, GROUP_MAP *map)
+BOOL get_local_group_from_sid(DOM_SID sid, GROUP_MAP *map, BOOL with_priv)
{
struct group *grp;
+ if(!init_group_mapping()) {
+ DEBUG(0,("failed to initialize group mapping"));
+ return(False);
+ }
+
/* The group is in the mapping table */
- if(get_group_map_from_sid(sid, map)) {
- if (map->sid_name_use!=SID_NAME_ALIAS)
+ if(get_group_map_from_sid(sid, map, with_priv)) {
+ if (map->sid_name_use!=SID_NAME_ALIAS) {
+ if (with_priv)
+ free_privilege(&map->priv_set);
return False;
-
- if (map->gid==-1)
+ }
+
+ if (map->gid==-1) {
+ if (with_priv)
+ free_privilege(&map->priv_set);
return False;
+ }
- if ( (grp=getgrgid(map->gid)) == NULL)
+ if ( (grp=getgrgid(map->gid)) == NULL) {
+ if (with_priv)
+ free_privilege(&map->priv_set);
return False;
+ }
} else {
/* the group isn't in the mapping table.
* make one based on the unix information */
/* get a builtin group from it's SID */
-BOOL get_builtin_group_from_sid(DOM_SID sid, GROUP_MAP *map)
+BOOL get_builtin_group_from_sid(DOM_SID sid, GROUP_MAP *map, BOOL with_priv)
{
struct group *grp;
- if(!get_group_map_from_sid(sid, map))
+ if(!init_group_mapping()) {
+ DEBUG(0,("failed to initialize group mapping"));
+ return(False);
+ }
+
+ if(!get_group_map_from_sid(sid, map, with_priv))
return False;
- if (map->sid_name_use!=SID_NAME_WKN_GRP)
+ if (map->sid_name_use!=SID_NAME_WKN_GRP) {
+ if (with_priv)
+ free_privilege(&map->priv_set);
return False;
+ }
- if (map->gid==-1)
+ if (map->gid==-1) {
+ if (with_priv)
+ free_privilege(&map->priv_set);
return False;
+ }
- if ( (grp=getgrgid(map->gid)) == NULL)
+ if ( (grp=getgrgid(map->gid)) == NULL) {
+ if (with_priv)
+ free_privilege(&map->priv_set);
return False;
+ }
return True;
}
/****************************************************************************
Returns a GROUP_MAP struct based on the gid.
****************************************************************************/
-BOOL get_group_from_gid(gid_t gid, GROUP_MAP *map)
+BOOL get_group_from_gid(gid_t gid, GROUP_MAP *map, BOOL with_priv)
{
struct group *grp;
+ if(!init_group_mapping()) {
+ DEBUG(0,("failed to initialize group mapping"));
+ return(False);
+ }
+
if ( (grp=getgrgid(gid)) == NULL)
return False;
/*
* make a group map from scratch if doesn't exist.
*/
- if (!get_group_map_from_gid(gid, map)) {
+ if (!get_group_map_from_gid(gid, map, with_priv)) {
map->gid=gid;
map->sid_name_use=SID_NAME_ALIAS;
map->systemaccount=PR_ACCESS_FROM_NETWORK;
/* interim solution until we have a last RID allocated */
- sid_copy(&map->sid, &global_sam_sid);
+ sid_copy(&map->sid, get_global_sam_sid());
sid_append_rid(&map->sid, pdb_gid_to_group_rid(gid));
fstrcpy(map->nt_name, grp->gr_name);
char *gr;
uid_t *u;
+ if(!init_group_mapping()) {
+ DEBUG(0,("failed to initialize group mapping"));
+ return(False);
+ }
+
*num_uids = 0;
*uid=NULL;
}
else (*uid) = u;
- if( (pwd=getpwnam(gr)) !=NULL) {
+ if( (pwd=getpwnam_alloc(gr)) !=NULL) {
(*uid)[*num_uids]=pwd->pw_uid;
(*num_uids)++;
}
+ passwd_free(&pwd);
gr = grp->gr_mem[++i];
}
DEBUG(10, ("got [%d] members\n", *num_uids));
Delete a UNIX group on demand.
****************************************************************************/
-int smb_delete_user_group(char *unix_group, char *unix_user)
+int smb_delete_user_group(const char *unix_group, const char *unix_user)
{
pstring del_script;
int ret;
DEBUG(3,("smb_delete_user_group: Running the command `%s' gave %d\n",del_script,ret));
return ret;
}
-
-
-
git.samba.org / kai / samba.git / blobdiff