diff options
Diffstat (limited to 'source3/passdb/util_sam_sid.c')
-rw-r--r-- | source3/passdb/util_sam_sid.c | 191 |
1 files changed, 53 insertions, 138 deletions
diff --git a/source3/passdb/util_sam_sid.c b/source3/passdb/util_sam_sid.c index a9e1921e0d..42e4b6df96 100644 --- a/source3/passdb/util_sam_sid.c +++ b/source3/passdb/util_sam_sid.c @@ -30,15 +30,12 @@ typedef struct _known_sid_users { const char *known_user_name; } known_sid_users; -static struct sid_name_map_info +struct sid_name_map_info { const DOM_SID *sid; const char *name; const known_sid_users *known_users; -} sid_name_map[MAX_SID_NAMES]; - -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" }, @@ -83,64 +80,12 @@ static const known_sid_users builtin_groups[] = { { BUILTIN_ALIAS_RID_PRE_2K_ACCESS, SID_NAME_ALIAS, "Pre-Windows 2000 Compatible Access" }, { 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; - - 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 = SMB_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 = SMB_STRDUP(global_myname()); - sid_name_map[i].known_users = NULL; - i++; - } else { - sid_name_map[i].sid = get_global_sam_sid(); - sid_name_map[i].name = SMB_STRDUP(global_myname()); - 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; -} +static struct sid_name_map_info special_domains[] = { + { &global_sid_Builtin, "BUILTIN", builtin_groups }, + { &global_sid_World_Domain, "", everyone_users }, + { &global_sid_Creator_Owner_Domain, "", creator_owner_users }, + { &global_sid_NT_Authority, "NT Authority", nt_authority_users }, + { NULL, NULL, NULL }}; /************************************************************************** Turns a domain SID into a name, returned in the nt_domain argument. @@ -153,101 +98,74 @@ BOOL map_domain_sid_to_name(DOM_SID *sid, fstring nt_domain) 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; + if (sid_check_is_domain(sid)) { + fstrcpy(nt_domain, get_global_sam_name()); + return True; + } - 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)); + while (special_domains[i].sid != NULL) { + DEBUG(5,("map_domain_sid_to_name: compare: %s\n", + sid_string_static(special_domains[i].sid))); + if (sid_equal(special_domains[i].sid, sid)) { + fstrcpy(nt_domain, special_domains[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; - } - } - } - } + DEBUG(5,("map_domain_sid_to_name: mapping for %s not found\n", + sid_string_static(sid))); return False; } /************************************************************************** - Turns a domain name into a SID. - *** side-effect: if the domain name is NULL, it is set to our domain *** + Looks up a known username from one of the known domains. ***************************************************************************/ -BOOL map_domain_name_to_sid(DOM_SID *sid, char *nt_domain) +BOOL lookup_special_sid(const DOM_SID *sid, const char **domain, + const char **name, enum SID_NAME_USE *type) { - int i = 0; + int i; + DOM_SID dom_sid; + uint32 rid; + const known_sid_users *users = NULL; - 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; + sid_copy(&dom_sid, sid); + if (!sid_split_rid(&dom_sid, &rid)) { + DEBUG(2, ("Could not split rid from SID\n")); + return False; } - 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, get_global_sam_sid()); - return True; + for (i=0; special_domains[i].sid != NULL; i++) { + if (sid_equal(&dom_sid, special_domains[i].sid)) { + *domain = special_domains[i].name; + users = special_domains[i].known_users; + break; + } } - DEBUG(5,("map_domain_name_to_sid: %s\n", nt_domain)); - - if (!sid_name_map_initialized) - init_sid_name_map(); + if (users == NULL) { + DEBUG(10, ("SID %s is no special sid\n", + sid_string_static(sid))); + return False; + } - 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)); + for (i=0; users[i].known_user_name != NULL; i++) { + if (rid == users[i].rid) { + *name = users[i].known_user_name; + *type = users[i].sid_name_use; return True; } - i++; } - DEBUG(0,("map_domain_name_to_sid: mapping to %s not found.\n", nt_domain)); + DEBUG(10, ("RID of special SID %s not found\n", + sid_string_static(sid))); + return False; } @@ -283,20 +201,17 @@ BOOL map_name_to_wellknown_sid(DOM_SID *sid, enum SID_NAME_USE *use, const char { int i, j; - if (!sid_name_map_initialized) - init_sid_name_map(); - DEBUG(10,("map_name_to_wellknown_sid: looking up %s\n", name)); - for (i=0; sid_name_map[i].sid != NULL; i++) { - const known_sid_users *users = sid_name_map[i].known_users; + for (i=0; special_domains[i].sid != NULL; i++) { + const known_sid_users *users = special_domains[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) ) { - sid_copy(sid, sid_name_map[i].sid); + sid_copy(sid, special_domains[i].sid); sid_append_rid(sid, users[j].rid); *use = users[j].sid_name_use; return True; |