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Diffstat (limited to 'source4/passdb/util_sam_sid.c')
| -rw-r--r-- | source4/passdb/util_sam_sid.c | 303 |
1 files changed, 303 insertions, 0 deletions
diff --git a/source4/passdb/util_sam_sid.c b/source4/passdb/util_sam_sid.c new file mode 100644 index 0000000000..e18386801c --- /dev/null +++ b/source4/passdb/util_sam_sid.c @@ -0,0 +1,303 @@ +/* + Unix SMB/CIFS implementation. + Samba utility functions + Copyright (C) Andrew Tridgell 1992-1998 + Copyright (C) Luke Kenneth Caseson Leighton 1998-1999 + Copyright (C) Jeremy Allison 1999 + + 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 + (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. +*/ + +#include "includes.h" + +#define MAX_SID_NAMES 7 + +typedef struct _known_sid_users { + uint32 rid; + enum SID_NAME_USE sid_name_use; + const char *known_user_name; +} known_sid_users; + +static struct sid_name_map_info +{ + DOM_SID *sid; + const char *name; + const known_sid_users *known_users; +} sid_name_map[MAX_SID_NAMES]; + +extern DOM_SID global_sid_Builtin; /* Local well-known domain */ +extern DOM_SID global_sid_World_Domain; /* Everyone domain */ +extern DOM_SID global_sid_Creator_Owner_Domain; /* Creator Owner domain */ +extern DOM_SID global_sid_NT_Authority; /* NT Authority */ + + +static BOOL sid_name_map_initialized = False; +/* static known_sid_users no_users[] = {{0, 0, NULL}}; */ + +static const known_sid_users everyone_users[] = { + { 0, SID_NAME_WKN_GRP, "Everyone" }, + {0, (enum SID_NAME_USE)0, NULL}}; + +static const known_sid_users creator_owner_users[] = { + { 0, SID_NAME_WKN_GRP, "Creator Owner" }, + { 1, SID_NAME_WKN_GRP, "Creator Group" }, + {0, (enum SID_NAME_USE)0, NULL}}; + +static const known_sid_users nt_authority_users[] = { + { 1, SID_NAME_ALIAS, "Dialup" }, + { 2, SID_NAME_ALIAS, "Network"}, + { 3, SID_NAME_ALIAS, "Batch"}, + { 4, SID_NAME_ALIAS, "Interactive"}, + { 6, SID_NAME_ALIAS, "Service"}, + { 7, SID_NAME_ALIAS, "AnonymousLogon"}, + { 8, SID_NAME_ALIAS, "Proxy"}, + { 9, SID_NAME_ALIAS, "ServerLogon"}, + { 11, SID_NAME_ALIAS, "Authenticated Users"}, + { 18, SID_NAME_ALIAS, "SYSTEM"}, + { 0, (enum SID_NAME_USE)0, NULL}}; + +static const known_sid_users builtin_groups[] = { + { BUILTIN_ALIAS_RID_ADMINS, SID_NAME_ALIAS, "Administrators" }, + { BUILTIN_ALIAS_RID_USERS, SID_NAME_ALIAS, "Users" }, + { BUILTIN_ALIAS_RID_GUESTS, SID_NAME_ALIAS, "Guests" }, + { BUILTIN_ALIAS_RID_ACCOUNT_OPS, SID_NAME_ALIAS, "Account Operators" }, + { BUILTIN_ALIAS_RID_SYSTEM_OPS, SID_NAME_ALIAS, "Server Operators" }, + { BUILTIN_ALIAS_RID_PRINT_OPS, SID_NAME_ALIAS, "Print Operators" }, + { BUILTIN_ALIAS_RID_BACKUP_OPS, SID_NAME_ALIAS, "Backup Operators" }, + { 0, (enum SID_NAME_USE)0, NULL}}; + +/************************************************************************** + Quick init function. +*************************************************************************/ + +static void init_sid_name_map (void) +{ + int i = 0; + + if (sid_name_map_initialized) return; + + generate_wellknown_sids(); + + if ((lp_security() == SEC_USER) && lp_domain_logons()) { + sid_name_map[i].sid = get_global_sam_sid(); + /* This is not lp_workgroup() for good reason: + it must stay around longer than the lp_*() + strings do */ + sid_name_map[i].name = strdup(lp_workgroup()); + sid_name_map[i].known_users = NULL; + i++; + sid_name_map[i].sid = get_global_sam_sid(); + sid_name_map[i].name = strdup(lp_netbios_name()); + sid_name_map[i].known_users = NULL; + i++; + } else { + sid_name_map[i].sid = get_global_sam_sid(); + sid_name_map[i].name = strdup(lp_netbios_name()); + sid_name_map[i].known_users = NULL; + i++; + } + + sid_name_map[i].sid = &global_sid_Builtin; + sid_name_map[i].name = "BUILTIN"; + sid_name_map[i].known_users = &builtin_groups[0]; + i++; + + sid_name_map[i].sid = &global_sid_World_Domain; + sid_name_map[i].name = ""; + sid_name_map[i].known_users = &everyone_users[0]; + i++; + + sid_name_map[i].sid = &global_sid_Creator_Owner_Domain; + sid_name_map[i].name = ""; + sid_name_map[i].known_users = &creator_owner_users[0]; + i++; + + sid_name_map[i].sid = &global_sid_NT_Authority; + sid_name_map[i].name = "NT Authority"; + sid_name_map[i].known_users = &nt_authority_users[0]; + i++; + + /* End of array. */ + sid_name_map[i].sid = NULL; + sid_name_map[i].name = NULL; + sid_name_map[i].known_users = NULL; + + sid_name_map_initialized = True; + + return; +} + +/************************************************************************** + Turns a domain SID into a name, returned in the nt_domain argument. +***************************************************************************/ + +BOOL map_domain_sid_to_name(DOM_SID *sid, fstring nt_domain) +{ + fstring sid_str; + int i = 0; + + sid_to_string(sid_str, sid); + + if (!sid_name_map_initialized) + init_sid_name_map(); + + DEBUG(5,("map_domain_sid_to_name: %s\n", sid_str)); + + if (nt_domain == NULL) + return False; + + while (sid_name_map[i].sid != NULL) { + sid_to_string(sid_str, sid_name_map[i].sid); + DEBUG(5,("map_domain_sid_to_name: compare: %s\n", sid_str)); + if (sid_equal(sid_name_map[i].sid, sid)) { + fstrcpy(nt_domain, sid_name_map[i].name); + DEBUG(5,("map_domain_sid_to_name: found '%s'\n", nt_domain)); + return True; + } + i++; + } + + DEBUG(5,("map_domain_sid_to_name: mapping for %s not found\n", sid_str)); + + return False; +} + +/************************************************************************** + Looks up a known username from one of the known domains. +***************************************************************************/ + +BOOL lookup_known_rid(DOM_SID *sid, uint32 rid, char *name, enum SID_NAME_USE *psid_name_use) +{ + int i = 0; + struct sid_name_map_info *psnm; + + if (!sid_name_map_initialized) + init_sid_name_map(); + + for(i = 0; sid_name_map[i].sid != NULL; i++) { + psnm = &sid_name_map[i]; + if(sid_equal(psnm->sid, sid)) { + int j; + for(j = 0; psnm->known_users && psnm->known_users[j].known_user_name != NULL; j++) { + if(rid == psnm->known_users[j].rid) { + DEBUG(5,("lookup_builtin_rid: rid = %u, domain = '%s', user = '%s'\n", + (unsigned int)rid, psnm->name, psnm->known_users[j].known_user_name )); + fstrcpy( name, psnm->known_users[j].known_user_name); + *psid_name_use = psnm->known_users[j].sid_name_use; + return True; + } + } + } + } + + return False; +} + +/************************************************************************** + Turns a domain name into a SID. + *** side-effect: if the domain name is NULL, it is set to our domain *** +***************************************************************************/ + +BOOL map_domain_name_to_sid(DOM_SID *sid, char *nt_domain) +{ + int i = 0; + + if (nt_domain == NULL) { + DEBUG(5,("map_domain_name_to_sid: mapping NULL domain to our SID.\n")); + sid_copy(sid, get_global_sam_sid()); + return True; + } + + if (nt_domain[0] == 0) { + fstrcpy(nt_domain, lp_netbios_name()); + DEBUG(5,("map_domain_name_to_sid: overriding blank name to %s\n", nt_domain)); + sid_copy(sid, get_global_sam_sid()); + return True; + } + + DEBUG(5,("map_domain_name_to_sid: %s\n", nt_domain)); + + if (!sid_name_map_initialized) + init_sid_name_map(); + + while (sid_name_map[i].name != NULL) { + DEBUG(5,("map_domain_name_to_sid: compare: %s\n", sid_name_map[i].name)); + if (strequal(sid_name_map[i].name, nt_domain)) { + fstring sid_str; + sid_copy(sid, sid_name_map[i].sid); + sid_to_string(sid_str, sid_name_map[i].sid); + DEBUG(5,("map_domain_name_to_sid: found %s\n", sid_str)); + return True; + } + i++; + } + + DEBUG(0,("map_domain_name_to_sid: mapping to %s not found.\n", nt_domain)); + return False; +} + +/***************************************************************** + Check if the SID is our domain SID (S-1-5-21-x-y-z). +*****************************************************************/ + +BOOL sid_check_is_domain(const DOM_SID *sid) +{ + return sid_equal(sid, get_global_sam_sid()); +} + +/***************************************************************** + Check if the SID is our domain SID (S-1-5-21-x-y-z). +*****************************************************************/ + +BOOL sid_check_is_in_our_domain(const DOM_SID *sid) +{ + DOM_SID dom_sid; + uint32 rid; + + sid_copy(&dom_sid, sid); + sid_split_rid(&dom_sid, &rid); + + return sid_equal(&dom_sid, get_global_sam_sid()); +} + +/************************************************************************** + Try and map a name to one of the well known SIDs. +***************************************************************************/ + +BOOL map_name_to_wellknown_sid(DOM_SID *sid, enum SID_NAME_USE *use, const char *name) +{ + int i, j; + + if (!sid_name_map_initialized) + init_sid_name_map(); + + for (i=0; sid_name_map[i].sid != NULL; i++) { + const known_sid_users *users = sid_name_map[i].known_users; + + if (users == NULL) + continue; + + for (j=0; users[j].known_user_name != NULL; j++) { + if (strequal(users[j].known_user_name, name) == 0) { + sid_copy(sid, sid_name_map[i].sid); + sid_append_rid(sid, users[j].rid); + *use = users[j].sid_name_use; + return True; + } + } + } + + return False; +} |