Copyright (C) Luke Kenneth Caseson Leighton 1998-1999
Copyright (C) Jeremy Allison 1999
Copyright (C) Stefan (metze) Metzmacher 2002
+ Copyright (C) Simo Sorce 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
#include "includes.h"
-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 domain */
DOM_SID global_sid_World; /* Everyone */
DOM_SID global_sid_Creator_Owner_Domain; /* Creator Owner domain */
DOM_SID global_sid_NT_Authority; /* NT Authority */
+DOM_SID global_sid_System; /* System */
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 */
-
-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 */
+DOM_SID global_sid_Network; /* Network rids */
+
+DOM_SID global_sid_Creator_Owner; /* Creator Owner */
+DOM_SID global_sid_Creator_Group; /* Creator Group */
+DOM_SID global_sid_Anonymous; /* Anonymous login */
+
+DOM_SID global_sid_Builtin; /* Local well-known domain */
+DOM_SID global_sid_Builtin_Administrators; /* Builtin administrators */
+DOM_SID global_sid_Builtin_Users; /* Builtin users */
+DOM_SID global_sid_Builtin_Guests; /* Builtin guest users */
+DOM_SID global_sid_Builtin_Power_Users; /* Builtin power users */
+DOM_SID global_sid_Builtin_Account_Operators; /* Builtin account operators */
+DOM_SID global_sid_Builtin_Server_Operators; /* Builtin server operators */
+DOM_SID global_sid_Builtin_Print_Operators; /* Builtin print operators */
+DOM_SID global_sid_Builtin_Backup_Operators; /* Builtin backup operators */
+DOM_SID global_sid_Builtin_Replicator; /* Builtin replicator */
+
+#define SECURITY_NULL_SID_AUTHORITY 0
+#define SECURITY_WORLD_SID_AUTHORITY 1
+#define SECURITY_LOCAL_SID_AUTHORITY 2
+#define SECURITY_CREATOR_SID_AUTHORITY 3
+#define SECURITY_NT_AUTHORITY 5
/*
* An NT compatible anonymous token.
static DOM_SID anon_sid_array[3];
NT_USER_TOKEN anonymous_token = {
- 3,
- anon_sid_array
+ 3,
+ anon_sid_array
+};
+
+static DOM_SID system_sid_array[4];
+NT_USER_TOKEN system_token = {
+ 1,
+ system_sid_array
};
/****************************************************************************
Lookup string names for SID types.
****************************************************************************/
-const static struct {
+static const struct {
enum SID_NAME_USE sid_type;
- char *string;
+ const 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_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_COMPUTER, "Computer"},
- {SID_NAME_USE_NONE, NULL}
+ {(enum SID_NAME_USE)0, NULL}
};
const char *sid_type_lookup(uint32 sid_type)
/* Default return */
return "SID *TYPE* is INVALID";
-
}
-
/****************************************************************************
Creates some useful well known sids
****************************************************************************/
void generate_wellknown_sids(void)
{
- string_to_sid(&global_sid_Builtin, "S-1-5-32");
- string_to_sid(&global_sid_Builtin_Guests, "S-1-5-32-546");
+ static BOOL initialised = False;
+
+ if (initialised)
+ return;
+
+ /* SECURITY_NULL_SID_AUTHORITY */
+ string_to_sid(&global_sid_NULL, "S-1-0-0");
+
+ /* SECURITY_WORLD_SID_AUTHORITY */
string_to_sid(&global_sid_World_Domain, "S-1-1");
string_to_sid(&global_sid_World, "S-1-1-0");
+
+ /* SECURITY_CREATOR_SID_AUTHORITY */
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");
+
+ /* SECURITY_NT_AUTHORITY */
string_to_sid(&global_sid_NT_Authority, "S-1-5");
- string_to_sid(&global_sid_NULL, "S-1-0-0");
- 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");
+ string_to_sid(&global_sid_Authenticated_Users, "S-1-5-11");
+ string_to_sid(&global_sid_System, "S-1-5-18");
+
+ /* SECURITY_BUILTIN_DOMAIN_RID */
+ string_to_sid(&global_sid_Builtin, "S-1-5-32");
+ string_to_sid(&global_sid_Builtin_Administrators, "S-1-5-32-544");
+ string_to_sid(&global_sid_Builtin_Users, "S-1-5-32-545");
+ string_to_sid(&global_sid_Builtin_Guests, "S-1-5-32-546");
+ string_to_sid(&global_sid_Builtin_Power_Users, "S-1-5-32-547");
+ string_to_sid(&global_sid_Builtin_Account_Operators, "S-1-5-32-548");
+ string_to_sid(&global_sid_Builtin_Server_Operators, "S-1-5-32-549");
+ string_to_sid(&global_sid_Builtin_Print_Operators, "S-1-5-32-550");
+ string_to_sid(&global_sid_Builtin_Backup_Operators, "S-1-5-32-551");
+ string_to_sid(&global_sid_Builtin_Replicator, "S-1-5-32-552");
/* 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);
+
+ /* Create the system token. */
+ sid_copy( &system_token.user_sids[0], &global_sid_System);
+
+ initialised = True;
+}
+
+/**************************************************************************
+ Create the SYSTEM token.
+***************************************************************************/
+
+NT_USER_TOKEN *get_system_token(void)
+{
+ generate_wellknown_sids(); /* The token is initialised here */
+ return &system_token;
+}
+
+/******************************************************************
+ get the default domain/netbios name to be used when dealing
+ with our passdb list of accounts
+******************************************************************/
+
+const char *get_global_sam_name(void)
+{
+ if ((lp_server_role() == ROLE_DOMAIN_PDC) || (lp_server_role() == ROLE_DOMAIN_BDC)) {
+ return lp_workgroup();
+ }
+ return global_myname();
}
/**************************************************************************
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.
+ Sets the DOMAIN name to global_myname() if it has not been specified.
***************************************************************************/
void split_domain_name(const char *fullname, char *domain, char *name)
{
pstring full_name;
- char *p, *sep;
+ const char *sep;
+ char *p;
sep = lp_winbind_separator();
fstrcpy(domain, full_name);
fstrcpy(name, p+1);
} else {
- fstrcpy(domain, global_myname);
+ fstrcpy(domain, get_global_sam_name());
fstrcpy(name, full_name);
}
fullname, domain, name));
}
+/****************************************************************************
+ Test if a SID is wellknown and resolvable.
+****************************************************************************/
+
+BOOL resolvable_wellknown_sid(DOM_SID *sid)
+{
+ uint32 ia = (sid->id_auth[5]) +
+ (sid->id_auth[4] << 8 ) +
+ (sid->id_auth[3] << 16) +
+ (sid->id_auth[2] << 24);
+
+ if (sid->sid_rev_num != SEC_DESC_REVISION || sid->num_auths < 1)
+ return False;
+
+ return (ia == SECURITY_WORLD_SID_AUTHORITY ||
+ ia == SECURITY_CREATOR_SID_AUTHORITY);
+}
+
/*****************************************************************
Convert a SID to an ascii string.
*****************************************************************/
char *sid_to_string(fstring sidstr_out, const DOM_SID *sid)
{
- char subauth[16];
- int i;
- uint32 ia;
+ char subauth[16];
+ int i;
+ uint32 ia;
- if (!sid) {
- fstrcpy(sidstr_out, "(NULL SID)");
- return sidstr_out;
- }
+ if (!sid) {
+ fstrcpy(sidstr_out, "(NULL SID)");
+ return sidstr_out;
+ }
- /* BIG NOTE: this function only does SIDS where the identauth is not >= 2^32 */
- ia = (sid->id_auth[5]) +
- (sid->id_auth[4] << 8 ) +
- (sid->id_auth[3] << 16) +
- (sid->id_auth[2] << 24);
+ /*
+ * BIG NOTE: this function only does SIDS where the identauth is not >= 2^32
+ * in a range of 2^48.
+ */
+ 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);
+ slprintf(sidstr_out, sizeof(fstring) - 1, "S-%u-%lu", (unsigned int)sid->sid_rev_num, (unsigned long)ia);
- for (i = 0; i < sid->num_auths; i++) {
- slprintf(subauth, sizeof(subauth)-1, "-%lu", (unsigned long)sid->sub_auths[i]);
- fstrcat(sidstr_out, subauth);
- }
+ for (i = 0; i < sid->num_auths; i++) {
+ slprintf(subauth, sizeof(subauth)-1, "-%lu", (unsigned long)sid->sub_auths[i]);
+ fstrcat(sidstr_out, subauth);
+ }
- return sidstr_out;
+ return sidstr_out;
}
-/*
- useful function for debug lines
-*/
+/*****************************************************************
+ Useful function for debug lines.
+*****************************************************************/
+
const char *sid_string_static(const DOM_SID *sid)
{
static fstring sid_str;
BOOL string_to_sid(DOM_SID *sidout, const char *sidstr)
{
- pstring tok;
- char *p, *q;
- /* BIG NOTE: this function only does SIDS where the identauth is not >= 2^32 */
- uint32 ia;
+ pstring tok;
+ char *q;
+ const char *p;
+ /* 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));
-
- q = p = strdup(sidstr + 2);
- if (p == NULL) {
- DEBUG(0, ("string_to_sid: out of memory!\n"));
- 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;
- }
-
- /* Get the revision number. */
- sidout->sid_rev_num = (uint8)strtoul(tok, NULL, 10);
-
- 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;
- }
-
- /* identauth in decimal should be < 2^32 */
- ia = (uint32)strtoul(tok, NULL, 10);
-
- /* NOTE - the ia value is in big-endian format. */
- sidout->id_auth[0] = 0;
- sidout->id_auth[1] = 0;
- sidout->id_auth[2] = (ia & 0xff000000) >> 24;
- sidout->id_auth[3] = (ia & 0x00ff0000) >> 16;
- sidout->id_auth[4] = (ia & 0x0000ff00) >> 8;
- sidout->id_auth[5] = (ia & 0x000000ff);
-
- sidout->num_auths = 0;
-
- while(next_token(&p, tok, "-", sizeof(tok)) &&
- sidout->num_auths < MAXSUBAUTHS) {
- /*
- * NOTE - the subauths are in native machine-endian format. They
- * are converted to little-endian when linearized onto the wire.
- */
- sid_append_rid(sidout, (uint32)strtoul(tok, NULL, 10));
- }
-
- SAFE_FREE(q);
- return True;
+ 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));
+
+ p = q = strdup(sidstr + 2);
+ if (p == NULL) {
+ DEBUG(0, ("string_to_sid: out of memory!\n"));
+ 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;
+ }
+
+ /* Get the revision number. */
+ sidout->sid_rev_num = (uint8)strtoul(tok, NULL, 10);
+
+ 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;
+ }
+
+ /* identauth in decimal should be < 2^32 */
+ ia = (uint32)strtoul(tok, NULL, 10);
+
+ /* NOTE - the ia value is in big-endian format. */
+ sidout->id_auth[0] = 0;
+ sidout->id_auth[1] = 0;
+ sidout->id_auth[2] = (ia & 0xff000000) >> 24;
+ sidout->id_auth[3] = (ia & 0x00ff0000) >> 16;
+ sidout->id_auth[4] = (ia & 0x0000ff00) >> 8;
+ sidout->id_auth[5] = (ia & 0x000000ff);
+
+ sidout->num_auths = 0;
+
+ while(next_token(&p, tok, "-", sizeof(tok)) &&
+ sidout->num_auths < MAXSUBAUTHS) {
+ /*
+ * NOTE - the subauths are in native machine-endian format. They
+ * are converted to little-endian when linearized onto the wire.
+ */
+ sid_append_rid(sidout, (uint32)strtoul(tok, NULL, 10));
+ }
+
+ SAFE_FREE(q);
+ return True;
}
/*****************************************************************
if (!exp_dom_sid || !sid || !rid)
return False;
+ if (sid->num_auths != (exp_dom_sid->num_auths+1)) {
+ return False;
+ }
if (sid_compare_domain(exp_dom_sid, sid)!=0){
*rid=(-1);
dst->sub_auths[i] = src->sub_auths[i];
}
-
/*****************************************************************
Write a sid out into on-the-wire format.
*****************************************************************/
-BOOL sid_linearize(char *outbuf, size_t len, DOM_SID *sid)
+
+BOOL sid_linearize(char *outbuf, size_t len, const DOM_SID *sid)
{
size_t i;
}
/*****************************************************************
- parse a on-the-wire SID to a DOM_SID
+ Parse a on-the-wire SID to a DOM_SID.
*****************************************************************/
-BOOL sid_parse(char *inbuf, size_t len, DOM_SID *sid)
+
+BOOL sid_parse(const char *inbuf, size_t len, DOM_SID *sid)
{
int i;
- if (len < 8) return False;
+ if (len < 8)
+ return False;
+
+ ZERO_STRUCTP(sid);
+
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++) {
+ 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;
}
-
/*****************************************************************
Compare the auth portion of two sids.
*****************************************************************/
+
static 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 == 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;
/*****************************************************************
Compare two sids.
*****************************************************************/
+
int sid_compare(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 == sid2)
+ return 0;
+ if (!sid1)
+ return -1;
+ if (!sid2)
+ return 1;
- /* compare most likely different rids, first: i.e start at end */
+ /* 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;
}
/*****************************************************************
-see if 2 SIDs are in the same domain
-this just compares the leading sub-auths
+ 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;
/*****************************************************************
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).
+ Check if the SID is one of the builtin SIDs (S-1-5-32-a).
*****************************************************************/
+
BOOL sid_check_is_in_builtin(const DOM_SID *sid)
{
DOM_SID dom_sid;
return sid_equal(&dom_sid, &global_sid_Builtin);
}
-
/*****************************************************************
Calculates size of a sid.
*****************************************************************/
-size_t sid_size(DOM_SID *sid)
+size_t sid_size(const DOM_SID *sid)
{
if (sid == NULL)
return 0;
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)
+/*****************************************************************
+ Return the binary string representation of a DOM_SID.
+ Caller must free.
+*****************************************************************/
+
+char *sid_binstring(const DOM_SID *sid)
{
char *buf, *s;
int len = sid_size(sid);
buf = malloc(len);
- if (!buf) return NULL;
+ if (!buf)
+ return NULL;
sid_linearize(buf, len, sid);
s = binary_string(buf, len);
free(buf);
return s;
}
+/*******************************************************************
+ Tallocs a duplicate SID.
+********************************************************************/
+
+DOM_SID *sid_dup_talloc(TALLOC_CTX *ctx, const DOM_SID *src)
+{
+ DOM_SID *dst;
+
+ if(!src)
+ return NULL;
+
+ if((dst = talloc_zero(ctx, sizeof(DOM_SID))) != NULL) {
+ sid_copy( dst, src);
+ }
+
+ return dst;
+}
git.samba.org / tprouty / samba.git / blobdiff