/*
- Unix SMB/Netbios implementation.
- Version 1.9.
+ 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
#include "includes.h"
-
-extern int DEBUGLEVEL;
-DOM_SID global_sam_sid;
extern pstring global_myname;
extern fstring global_myworkgroup;
* Some useful sids
*/
-DOM_SID global_sid_Builtin; /* local well-known domain */
-DOM_SID global_sid_World_Domain; /* everyone */
-DOM_SID global_sid_World; /* everyone */
-DOM_SID global_sid_Creator_Owner_Domain; /* Creator Owner */
-DOM_SID global_sid_Creator_Owner; /* Creator Owner */
-DOM_SID global_sid_NT_Authority; /* NT Authority */
-DOM_SID global_sid_NULL; /* NULL sid */
-DOM_SID global_sid_Builtin_Guests;
+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 struct sid_name_map_info
-{
- DOM_SID *sid;
- char *name;
- known_sid_users *known_users;
-}
-sid_name_map[] =
-{
- { &global_sam_sid, global_myname, NULL},
- { &global_sam_sid, global_myworkgroup, NULL},
- { &global_sid_Builtin, "BUILTIN", NULL},
- { &global_sid_World_Domain, "", &everyone_users[0] },
- { &global_sid_Creator_Owner_Domain, "", &creator_owner_users[0] },
- { &global_sid_NT_Authority, "NT Authority", &nt_authority_users[0] },
- { NULL, NULL, NULL}
+/*
+ * An NT compatible anonymous token.
+ */
+
+static DOM_SID anon_sid_array[3];
+
+NT_USER_TOKEN anonymous_token = {
+ 3,
+ anon_sid_array
};
/****************************************************************************
string_to_sid(&global_sid_World, "S-1-1-0");
string_to_sid(&global_sid_Creator_Owner_Domain, "S-1-3");
string_to_sid(&global_sid_Creator_Owner, "S-1-3-0");
+ string_to_sid(&global_sid_Creator_Group, "S-1-3-1");
string_to_sid(&global_sid_NT_Authority, "S-1-5");
string_to_sid(&global_sid_NULL, "S-1-0-0");
-}
-
-/**************************************************************************
- 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);
-
- 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;
-
- 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));
-
- 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;
+ string_to_sid(&global_sid_Authenticated_Users, "S-1-5-11");
+ string_to_sid(&global_sid_Network, "S-1-5-2");
+ string_to_sid(&global_sid_Anonymous, "S-1-5-7");
+
+ /* Create the anon token. */
+ sid_copy( &anonymous_token.user_sids[0], &global_sid_World);
+ sid_copy( &anonymous_token.user_sids[1], &global_sid_Network);
+ sid_copy( &anonymous_token.user_sids[2], &global_sid_Anonymous);
}
/**************************************************************************
void split_domain_name(const char *fullname, char *domain, char *name)
{
pstring full_name;
- char *p;
+ char *p, *sep;
+
+ sep = lp_winbind_separator();
*domain = *name = '\0';
- if (fullname[0] == '\\')
+ if (fullname[0] == sep[0] || fullname[0] == '\\')
fullname++;
pstrcpy(full_name, fullname);
- p = strchr(full_name+1, '\\');
+ p = strchr_m(full_name+1, '\\');
+ if (!p) p = strchr_m(full_name+1, sep[0]);
if (p != NULL) {
*p = 0;
{
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);
return sidstr_out;
}
+/*
+ useful function for debug lines
+*/
+const char *sid_string_static(DOM_SID *sid)
+{
+ static fstring sid_str;
+ sid_to_string(sid_str, sid);
+ return sid_str;
+}
+
/*****************************************************************
Convert a string to a SID. Returns True on success, False on fail.
*****************************************************************/
-BOOL string_to_sid(DOM_SID *sidout, char *sidstr)
+BOOL string_to_sid(DOM_SID *sidout, const char *sidstr)
{
pstring tok;
- char *p = sidstr;
+ char *p, *q;
/* BIG NOTE: this function only does SIDS where the identauth is not >= 2^32 */
uint32 ia;
+
+ if (StrnCaseCmp( sidstr, "S-", 2)) {
+ DEBUG(0,("string_to_sid: Sid %s does not start with 'S-'.\n", sidstr));
+ return False;
+ }
memset((char *)sidout, '\0', sizeof(DOM_SID));
- if (StrnCaseCmp( sidstr, "S-", 2)) {
- DEBUG(0,("string_to_sid: Sid %s does not start with 'S-'.\n", sidstr));
+ q = p = strdup(sidstr + 2);
+ if (p == NULL) {
+ DEBUG(0, ("string_to_sid: out of memory!\n"));
return False;
}
- p += 2;
if (!next_token(&p, tok, "-", sizeof(tok))) {
DEBUG(0,("string_to_sid: Sid %s is not in a valid format.\n", sidstr));
+ SAFE_FREE(q);
return False;
}
if (!next_token(&p, tok, "-", sizeof(tok))) {
DEBUG(0,("string_to_sid: Sid %s is not in a valid format.\n", sidstr));
+ SAFE_FREE(q);
return False;
}
sid_append_rid(sidout, (uint32)strtoul(tok, NULL, 10));
}
- DEBUG(7,("string_to_sid: converted SID %s ok\n", sidstr));
-
+ SAFE_FREE(q);
return True;
}
return False;
}
+/*****************************************************************
+ Return the last rid from the end of a sid
+*****************************************************************/
+
+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;
+ }
+ return False;
+}
+
+/*****************************************************************
+ 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
*****************************************************************/
/*****************************************************************
Write a sid out into on-the-wire format.
*****************************************************************/
-
BOOL sid_linearize(char *outbuf, size_t len, DOM_SID *sid)
{
size_t i;
- if(len < sid_size(sid))
+ if (len < sid_size(sid))
return False;
SCVAL(outbuf,0,sid->sid_rev_num);
}
/*****************************************************************
- Compare two sids.
+ parse a on-the-wire SID to a DOM_SID
*****************************************************************/
+BOOL sid_parse(char *inbuf, size_t len, DOM_SID *sid)
+{
+ int i;
+ if (len < 8) return False;
+ sid->sid_rev_num = CVAL(inbuf, 0);
+ sid->num_auths = CVAL(inbuf, 1);
+ memcpy(sid->id_auth, inbuf+2, 6);
+ if (len < 8 + sid->num_auths*4) return False;
+ for (i=0;i<sid->num_auths;i++) {
+ sid->sub_auths[i] = IVAL(inbuf, 8+i*4);
+ }
+ return True;
+}
-BOOL sid_equal(const DOM_SID *sid1, const DOM_SID *sid2)
+
+/*****************************************************************
+ Compare the auth portion of two sids.
+*****************************************************************/
+int sid_compare_auth(const DOM_SID *sid1, const DOM_SID *sid2)
+{
+ int i;
+
+ if (sid1 == sid2) return 0;
+ if (!sid1) return -1;
+ if (!sid2) return 1;
+
+ if (sid1->sid_rev_num != sid2->sid_rev_num)
+ return sid1->sid_rev_num - sid2->sid_rev_num;
+
+ for (i = 0; i < 6; i++)
+ if (sid1->id_auth[i] != sid2->id_auth[i])
+ return sid1->id_auth[i] - sid2->id_auth[i];
+
+ return 0;
+}
+
+/*****************************************************************
+ Compare two sids.
+*****************************************************************/
+int sid_compare(const DOM_SID *sid1, const DOM_SID *sid2)
{
int i;
- if (sid1 == sid2) return True;
- if (!sid1 || !sid2) return False;
+ if (sid1 == sid2) return 0;
+ if (!sid1) return -1;
+ if (!sid2) return 1;
/* compare most likely different rids, first: i.e start at end */
+ if (sid1->num_auths != sid2->num_auths)
+ return sid1->num_auths - sid2->num_auths;
+
for (i = sid1->num_auths-1; i >= 0; --i)
if (sid1->sub_auths[i] != sid2->sub_auths[i])
- return False;
+ return sid1->sub_auths[i] - sid2->sub_auths[i];
- if (sid1->num_auths != sid2->num_auths)
- return False;
- if (sid1->sid_rev_num != sid2->sid_rev_num)
- return False;
+ return sid_compare_auth(sid1, sid2);
+}
- for (i = 0; i < 6; i++)
- if (sid1->id_auth[i] != sid2->id_auth[i])
- return False;
+/*****************************************************************
+see if 2 SIDs are in the same domain
+this just compares the leading sub-auths
+*****************************************************************/
+int sid_compare_domain(const DOM_SID *sid1, const DOM_SID *sid2)
+{
+ int n, i;
- return True;
+ n = MIN(sid1->num_auths, sid2->num_auths);
+
+ for (i = n-1; i >= 0; --i)
+ if (sid1->sub_auths[i] != sid2->sub_auths[i])
+ return sid1->sub_auths[i] - sid2->sub_auths[i];
+
+ return sid_compare_auth(sid1, sid2);
+}
+
+/*****************************************************************
+ Compare two sids.
+*****************************************************************/
+BOOL sid_equal(const DOM_SID *sid1, const DOM_SID *sid2)
+{
+ return sid_compare(sid1, sid2) == 0;
+}
+
+
+
+/*****************************************************************
+ Check if the SID is the builtin SID (S-1-5-32).
+*****************************************************************/
+BOOL sid_check_is_builtin(const DOM_SID *sid)
+{
+ return sid_equal(sid, &global_sid_Builtin);
+}
+
+
+/*****************************************************************
+ 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;
+ uint32 rid;
+
+ sid_copy(&dom_sid, sid);
+ sid_split_rid(&dom_sid, &rid);
+
+ return sid_equal(&dom_sid, &global_sid_Builtin);
}
return sid->num_auths * sizeof(uint32) + 8;
}
+
+/*****************************************************************
+ Returns true if SID is internal (and non-mappable).
+*****************************************************************/
+
+BOOL non_mappable_sid(DOM_SID *sid)
+{
+ DOM_SID dom;
+ uint32 rid;
+
+ sid_copy(&dom, sid);
+ sid_split_rid(&dom, &rid);
+
+ if (sid_equal(&dom, &global_sid_Builtin))
+ return True;
+
+ if (sid_equal(&dom, &global_sid_Creator_Owner_Domain))
+ return True;
+
+ if (sid_equal(&dom, &global_sid_NT_Authority))
+ return True;
+
+ return False;
+}
+
+/*
+ return the binary string representation of a DOM_SID
+ caller must free
+*/
+char *sid_binstring(DOM_SID *sid)
+{
+ char *buf, *s;
+ int len = sid_size(sid);
+ buf = malloc(len);
+ if (!buf) return NULL;
+ sid_linearize(buf, len, sid);
+ s = binary_string(buf, len);
+ free(buf);
+ return s;
+}
+
git.samba.org / kai / samba.git / blobdiff