diff options
Diffstat (limited to 'source3/lib/util_sid.c')
| -rw-r--r-- | source3/lib/util_sid.c | 344 |
1 files changed, 74 insertions, 270 deletions
diff --git a/source3/lib/util_sid.c b/source3/lib/util_sid.c index cd7b64bb70..5dd1d75c70 100644 --- a/source3/lib/util_sid.c +++ b/source3/lib/util_sid.c @@ -1,10 +1,11 @@ /* 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 - + Copyright (C) Andrew Tridgell 1992-1998 + Copyright (C) Luke Kenneth Caseson Leighton 1998-1999 + Copyright (C) Jeremy Allison 1999 + Copyright (C) Stefan (metze) Metzmacher 2002 + 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 @@ -22,10 +23,6 @@ #include "includes.h" -/* NOTE! the global_sam_sid is the SID of our local SAM. This is only - equal to the domain SID when we are a DC, otherwise its our - workstation SID */ -DOM_SID global_sam_sid; extern pstring global_myname; extern fstring global_myworkgroup; @@ -37,66 +34,15 @@ DOM_SID global_sid_Builtin; /* Local well-known domain */ DOM_SID global_sid_World_Domain; /* Everyone domain */ DOM_SID global_sid_World; /* Everyone */ DOM_SID global_sid_Creator_Owner_Domain; /* Creator Owner domain */ -DOM_SID global_sid_Creator_Owner; /* Creator Owner */ -DOM_SID global_sid_Creator_Group; /* Creator Group */ DOM_SID global_sid_NT_Authority; /* NT Authority */ DOM_SID global_sid_NULL; /* NULL sid */ DOM_SID global_sid_Builtin_Guests; /* Builtin guest users */ DOM_SID global_sid_Authenticated_Users; /* All authenticated rids */ DOM_SID global_sid_Network; /* Network rids */ -DOM_SID global_sid_Anonymous; /* Anonymous login */ - -const DOM_SID *global_sid_everyone = &global_sid_World; -typedef struct _known_sid_users { - uint32 rid; - enum SID_NAME_USE sid_name_use; - char *known_user_name; -} known_sid_users; - -/* static known_sid_users no_users[] = {{0, 0, NULL}}; */ - -static known_sid_users everyone_users[] = { - { 0, SID_NAME_WKN_GRP, "Everyone" }, - {0, (enum SID_NAME_USE)0, NULL}}; - -static known_sid_users creator_owner_users[] = { - { 0, SID_NAME_ALIAS, "Creator Owner" }, - {0, (enum SID_NAME_USE)0, NULL}}; - -static 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 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}}; - -#define MAX_SID_NAMES 7 - -static struct sid_name_map_info -{ - DOM_SID *sid; - char *name; - known_sid_users *known_users; -} sid_name_map[MAX_SID_NAMES]; - -static BOOL sid_name_map_initialized = False; +static DOM_SID global_sid_Creator_Owner; /* Creator Owner */ +static DOM_SID global_sid_Creator_Group; /* Creator Group */ +static DOM_SID global_sid_Anonymous; /* Anonymous login */ /* * An NT compatible anonymous token. @@ -109,65 +55,43 @@ NT_USER_TOKEN anonymous_token = { anon_sid_array }; -/************************************************************************** - quick init function - *************************************************************************/ -static void init_sid_name_map (void) +/**************************************************************************** + Lookup string names for SID types. +****************************************************************************/ + +const static struct { + enum SID_NAME_USE sid_type; + char *string; +} sid_name_type[] = { + {SID_NAME_USER, "user"}, + {SID_NAME_DOM_GRP, "domain group"}, + {SID_NAME_DOMAIN, "domain"}, + {SID_NAME_ALIAS, "local group"}, + {SID_NAME_WKN_GRP, "well-known group"}, + {SID_NAME_DELETED, "deleted account"}, + {SID_NAME_INVALID, "invalid account"}, + {SID_NAME_UNKNOWN, "UNKNOWN"}, + + {SID_NAME_USE_NONE, NULL} +}; + +const char *sid_type_lookup(uint32 sid_type) { int i = 0; - - if (sid_name_map_initialized) return; - - if ((lp_security() == SEC_USER) && lp_domain_logons()) { - sid_name_map[i].sid = &global_sam_sid; - sid_name_map[i].name = global_myworkgroup; - sid_name_map[i].known_users = NULL; - i++; - sid_name_map[i].sid = &global_sam_sid; - sid_name_map[i].name = global_myname; - sid_name_map[i].known_users = NULL; - i++; - } - else { - sid_name_map[i].sid = &global_sam_sid; - sid_name_map[i].name = global_myname; - sid_name_map[i].known_users = NULL; + /* Look through list */ + while(sid_name_type[i].sid_type != 0) { + if (sid_name_type[i].sid_type == sid_type) + return sid_name_type[i].string; 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++; + /* Default return */ + return "SID *TYPE* is INVALID"; - 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; - } + /**************************************************************************** Creates some useful well known sids ****************************************************************************/ @@ -194,115 +118,6 @@ void generate_wellknown_sids(void) } /************************************************************************** - Turns a domain SID into a name, returned in the nt_domain argument. -***************************************************************************/ - -BOOL map_domain_sid_to_name(DOM_SID *sid, char *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, &global_sam_sid); - return True; - } - - if (nt_domain[0] == 0) { - fstrcpy(nt_domain, global_myname); - DEBUG(5,("map_domain_name_to_sid: overriding blank name to %s\n", nt_domain)); - sid_copy(sid, &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; -} - -/************************************************************************** Splits a name of format \DOMAIN\name or name into its two components. Sets the DOMAIN name to global_myname if it has not been specified. ***************************************************************************/ @@ -340,15 +155,22 @@ void split_domain_name(const char *fullname, char *domain, char *name) Convert a SID to an ascii string. *****************************************************************/ -char *sid_to_string(fstring sidstr_out, DOM_SID *sid) +char *sid_to_string(fstring sidstr_out, const DOM_SID *sid) { char subauth[16]; int i; + uint32 ia; + + if (!sid) { + fstrcpy(sidstr_out, "(NULL SID)"); + return sidstr_out; + } + /* BIG NOTE: this function only does SIDS where the identauth is not >= 2^32 */ - uint32 ia = (sid->id_auth[5]) + - (sid->id_auth[4] << 8 ) + - (sid->id_auth[3] << 16) + - (sid->id_auth[2] << 24); + ia = (sid->id_auth[5]) + + (sid->id_auth[4] << 8 ) + + (sid->id_auth[3] << 16) + + (sid->id_auth[2] << 24); slprintf(sidstr_out, sizeof(fstring) - 1, "S-%u-%lu", (unsigned int)sid->sid_rev_num, (unsigned long)ia); @@ -363,7 +185,7 @@ char *sid_to_string(fstring sidstr_out, DOM_SID *sid) /* useful function for debug lines */ -const char *sid_string_static(DOM_SID *sid) +const char *sid_string_static(const DOM_SID *sid) { static fstring sid_str; sid_to_string(sid_str, sid); @@ -466,8 +288,11 @@ BOOL sid_split_rid(DOM_SID *sid, uint32 *rid) Return the last rid from the end of a sid *****************************************************************/ -BOOL sid_peek_rid(DOM_SID *sid, uint32 *rid) +BOOL sid_peek_rid(const DOM_SID *sid, uint32 *rid) { + if (!sid || !rid) + return False; + if (sid->num_auths > 0) { *rid = sid->sub_auths[sid->num_auths - 1]; return True; @@ -476,6 +301,25 @@ BOOL sid_peek_rid(DOM_SID *sid, uint32 *rid) } /***************************************************************** + Return the last rid from the end of a sid + and check the sid against the exp_dom_sid +*****************************************************************/ + +BOOL sid_peek_check_rid(const DOM_SID *exp_dom_sid, const DOM_SID *sid, uint32 *rid) +{ + if (!exp_dom_sid || !sid || !rid) + return False; + + + if (sid_compare_domain(exp_dom_sid, sid)!=0){ + *rid=(-1); + return False; + } + + return sid_peek_rid(sid, rid); +} + +/***************************************************************** Copies a sid *****************************************************************/ @@ -483,7 +327,7 @@ void sid_copy(DOM_SID *dst, const DOM_SID *src) { int i; - memset((char *)dst, '\0', sizeof(DOM_SID)); + ZERO_STRUCTP(dst); dst->sid_rev_num = src->sid_rev_num; dst->num_auths = src->num_auths; @@ -494,24 +338,6 @@ void sid_copy(DOM_SID *dst, const DOM_SID *src) dst->sub_auths[i] = src->sub_auths[i]; } -/***************************************************************** - Duplicates a sid - mallocs the target. -*****************************************************************/ - -DOM_SID *sid_dup(DOM_SID *src) -{ - DOM_SID *dst; - - if(!src) - return NULL; - - if((dst = malloc(sizeof(DOM_SID))) != NULL) { - memset(dst, '\0', sizeof(DOM_SID)); - sid_copy( dst, src); - } - - return dst; -} /***************************************************************** Write a sid out into on-the-wire format. @@ -553,7 +379,7 @@ BOOL sid_parse(char *inbuf, size_t len, DOM_SID *sid) /***************************************************************** Compare the auth portion of two sids. *****************************************************************/ -int sid_compare_auth(const DOM_SID *sid1, const DOM_SID *sid2) +static int sid_compare_auth(const DOM_SID *sid1, const DOM_SID *sid2) { int i; @@ -619,14 +445,6 @@ BOOL sid_equal(const DOM_SID *sid1, const DOM_SID *sid2) } -/***************************************************************** - 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, &global_sam_sid); -} - /***************************************************************** Check if the SID is the builtin SID (S-1-5-32). @@ -640,20 +458,6 @@ BOOL sid_check_is_builtin(const DOM_SID *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, &global_sam_sid); -} - -/***************************************************************** - Check if the SID is our domain SID (S-1-5-21-x-y-z). -*****************************************************************/ BOOL sid_check_is_in_builtin(const DOM_SID *sid) { DOM_SID dom_sid; |