Copyright (C) Jeremy Allison 1999
Copyright (C) Stefan (metze) Metzmacher 2002
Copyright (C) Simo Sorce 2002
-
+ Copyright (C) Jim McDonough <jmcd@us.ibm.com> 2005
+
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
+ the Free Software Foundation; either version 3 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.
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
+#include "../librpc/gen_ndr/ndr_security.h"
+#include "../librpc/gen_ndr/netlogon.h"
+#include "../libcli/security/dom_sid.h"
/*
- * Some useful sids
+ * Some useful sids, more well known sids can be found at
+ * http://support.microsoft.com/kb/243330/EN-US/
*/
-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_Authenticated_Users; /* All authenticated rids */
-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 */
+const struct dom_sid global_sid_World_Domain = /* Everyone domain */
+{ 1, 0, {0,0,0,0,0,1}, {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}};
+const struct dom_sid global_sid_World = /* Everyone */
+{ 1, 1, {0,0,0,0,0,1}, {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}};
+const struct dom_sid global_sid_Creator_Owner_Domain = /* Creator Owner domain */
+{ 1, 0, {0,0,0,0,0,3}, {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}};
+const struct dom_sid global_sid_NT_Authority = /* NT Authority */
+{ 1, 0, {0,0,0,0,0,5}, {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}};
+const struct dom_sid global_sid_System = /* System */
+{ 1, 1, {0,0,0,0,0,5}, {18,0,0,0,0,0,0,0,0,0,0,0,0,0,0}};
+const struct dom_sid global_sid_NULL = /* NULL sid */
+{ 1, 1, {0,0,0,0,0,0}, {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}};
+const struct dom_sid global_sid_Authenticated_Users = /* All authenticated rids */
+{ 1, 1, {0,0,0,0,0,5}, {11,0,0,0,0,0,0,0,0,0,0,0,0,0,0}};
+#if 0
+/* for documentation */
+const struct dom_sid global_sid_Restriced = /* Restriced Code */
+{ 1, 1, {0,0,0,0,0,5}, {12,0,0,0,0,0,0,0,0,0,0,0,0,0,0}};
+#endif
+const struct dom_sid global_sid_Network = /* Network rids */
+{ 1, 1, {0,0,0,0,0,5}, {2,0,0,0,0,0,0,0,0,0,0,0,0,0,0}};
+
+const struct dom_sid global_sid_Creator_Owner = /* Creator Owner */
+{ 1, 1, {0,0,0,0,0,3}, {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}};
+const struct dom_sid global_sid_Creator_Group = /* Creator Group */
+{ 1, 1, {0,0,0,0,0,3}, {1,0,0,0,0,0,0,0,0,0,0,0,0,0,0}};
+const struct dom_sid global_sid_Anonymous = /* Anonymous login */
+{ 1, 1, {0,0,0,0,0,5}, {7,0,0,0,0,0,0,0,0,0,0,0,0,0,0}};
+
+const struct dom_sid global_sid_Builtin = /* Local well-known domain */
+{ 1, 1, {0,0,0,0,0,5}, {32,0,0,0,0,0,0,0,0,0,0,0,0,0,0}};
+const struct dom_sid global_sid_Builtin_Administrators = /* Builtin administrators */
+{ 1, 2, {0,0,0,0,0,5}, {32,544,0,0,0,0,0,0,0,0,0,0,0,0,0}};
+const struct dom_sid global_sid_Builtin_Users = /* Builtin users */
+{ 1, 2, {0,0,0,0,0,5}, {32,545,0,0,0,0,0,0,0,0,0,0,0,0,0}};
+const struct dom_sid global_sid_Builtin_Guests = /* Builtin guest users */
+{ 1, 2, {0,0,0,0,0,5}, {32,546,0,0,0,0,0,0,0,0,0,0,0,0,0}};
+const struct dom_sid global_sid_Builtin_Power_Users = /* Builtin power users */
+{ 1, 2, {0,0,0,0,0,5}, {32,547,0,0,0,0,0,0,0,0,0,0,0,0,0}};
+const struct dom_sid global_sid_Builtin_Account_Operators = /* Builtin account operators */
+{ 1, 2, {0,0,0,0,0,5}, {32,548,0,0,0,0,0,0,0,0,0,0,0,0,0}};
+const struct dom_sid global_sid_Builtin_Server_Operators = /* Builtin server operators */
+{ 1, 2, {0,0,0,0,0,5}, {32,549,0,0,0,0,0,0,0,0,0,0,0,0,0}};
+const struct dom_sid global_sid_Builtin_Print_Operators = /* Builtin print operators */
+{ 1, 2, {0,0,0,0,0,5}, {32,550,0,0,0,0,0,0,0,0,0,0,0,0,0}};
+const struct dom_sid global_sid_Builtin_Backup_Operators = /* Builtin backup operators */
+{ 1, 2, {0,0,0,0,0,5}, {32,551,0,0,0,0,0,0,0,0,0,0,0,0,0}};
+const struct dom_sid global_sid_Builtin_Replicator = /* Builtin replicator */
+{ 1, 2, {0,0,0,0,0,5}, {32,552,0,0,0,0,0,0,0,0,0,0,0,0,0}};
+const struct dom_sid global_sid_Builtin_PreWin2kAccess = /* Builtin pre win2k access */
+{ 1, 2, {0,0,0,0,0,5}, {32,554,0,0,0,0,0,0,0,0,0,0,0,0,0}};
+
+const struct dom_sid global_sid_Unix_Users = /* Unmapped Unix users */
+{ 1, 1, {0,0,0,0,0,22}, {1,0,0,0,0,0,0,0,0,0,0,0,0,0,0}};
+const struct dom_sid global_sid_Unix_Groups = /* Unmapped Unix groups */
+{ 1, 1, {0,0,0,0,0,22}, {2,0,0,0,0,0,0,0,0,0,0,0,0,0,0}};
+
+/* Unused, left here for documentary purposes */
+#if 0
#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
+#endif
/*
* An NT compatible anonymous token.
*/
-static DOM_SID anon_sid_array[3];
+static struct dom_sid anon_sid_array[3] =
+{ { 1, 1, {0,0,0,0,0,1}, {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}},
+ { 1, 1, {0,0,0,0,0,5}, {2,0,0,0,0,0,0,0,0,0,0,0,0,0,0}},
+ { 1, 1, {0,0,0,0,0,5}, {7,0,0,0,0,0,0,0,0,0,0,0,0,0,0}} };
+NT_USER_TOKEN anonymous_token = { 3, anon_sid_array, SE_NONE };
-NT_USER_TOKEN anonymous_token = {
- 3,
- anon_sid_array
-};
-
-static DOM_SID system_sid_array[4];
-NT_USER_TOKEN system_token = {
- 1,
- system_sid_array
-};
+static struct dom_sid system_sid_array[1] =
+{ { 1, 1, {0,0,0,0,0,5}, {18,0,0,0,0,0,0,0,0,0,0,0,0,0,0}} };
+NT_USER_TOKEN system_token = { 1, system_sid_array, SE_ALL_PRIVS };
/****************************************************************************
Lookup string names for SID types.
****************************************************************************/
static const struct {
- enum SID_NAME_USE sid_type;
+ enum lsa_SidType sid_type;
const char *string;
} sid_name_type[] = {
{SID_NAME_USER, "User"},
{SID_NAME_UNKNOWN, "UNKNOWN"},
{SID_NAME_COMPUTER, "Computer"},
- {0, NULL}
+ {(enum lsa_SidType)0, NULL}
};
const char *sid_type_lookup(uint32 sid_type)
return "SID *TYPE* is INVALID";
}
-/****************************************************************************
- Creates some useful well known sids
-****************************************************************************/
-
-void generate_wellknown_sids(void)
-{
- 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_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;
}
-/**************************************************************************
- 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.
-***************************************************************************/
+/*****************************************************************
+ Convert a SID to an ascii string.
+*****************************************************************/
-void split_domain_name(const char *fullname, char *domain, char *name)
+char *sid_to_fstring(fstring sidstr_out, const struct dom_sid *sid)
{
- pstring full_name;
- const char *sep;
- char *p;
-
- sep = lp_winbind_separator();
-
- *domain = *name = '\0';
-
- if (fullname[0] == sep[0] || fullname[0] == '\\')
- fullname++;
-
- pstrcpy(full_name, fullname);
- p = strchr_m(full_name+1, '\\');
- if (!p) p = strchr_m(full_name+1, sep[0]);
-
- if (p != NULL) {
- *p = 0;
- fstrcpy(domain, full_name);
- fstrcpy(name, p+1);
- } else {
- fstrcpy(domain, global_myname());
- fstrcpy(name, full_name);
- }
-
- DEBUG(10,("split_domain_name:name '%s' split into domain :'%s' and user :'%s'\n",
- fullname, domain, name));
+ char *str = sid_string_talloc(talloc_tos(), sid);
+ fstrcpy(sidstr_out, str);
+ TALLOC_FREE(str);
+ return sidstr_out;
}
-/****************************************************************************
- Test if a SID is wellknown and resolvable.
-****************************************************************************/
+/*****************************************************************
+ Essentially a renamed dom_sid_string from
+ ../libcli/security/dom_sid.c with a panic if it didn't work.
+*****************************************************************/
-BOOL resolvable_wellknown_sid(DOM_SID *sid)
+char *sid_string_talloc(TALLOC_CTX *mem_ctx, const struct 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);
+ char *result = dom_sid_string(mem_ctx, sid);
+ SMB_ASSERT(result != NULL);
+ return result;
}
/*****************************************************************
- Convert a SID to an ascii string.
+ Useful function for debug lines.
*****************************************************************/
-char *sid_to_string(fstring sidstr_out, const DOM_SID *sid)
+char *sid_string_dbg(const struct 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
- * 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);
-
- 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 sid_string_talloc(talloc_tos(), sid);
}
/*****************************************************************
- Useful function for debug lines.
-*****************************************************************/
+ Use with care!
+*****************************************************************/
-const char *sid_string_static(const DOM_SID *sid)
+char *sid_string_tos(const struct dom_sid *sid)
{
- static fstring sid_str;
- sid_to_string(sid_str, sid);
- return sid_str;
+ return sid_string_talloc(talloc_tos(), sid);
}
/*****************************************************************
Convert a string to a SID. Returns True on success, False on fail.
*****************************************************************/
-
-BOOL string_to_sid(DOM_SID *sidout, const char *sidstr)
+
+bool string_to_sid(struct dom_sid *sidout, const char *sidstr)
{
- pstring tok;
- char *q;
const char *p;
+ char *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;
+ uint32 conv;
+
+ if ((sidstr[0] != 'S' && sidstr[0] != 's') || sidstr[1] != '-') {
+ goto format_error;
}
- memset((char *)sidout, '\0', sizeof(DOM_SID));
+ ZERO_STRUCTP(sidout);
- p = q = strdup(sidstr + 2);
- if (p == NULL) {
- DEBUG(0, ("string_to_sid: out of memory!\n"));
- return False;
- }
+ /* Get the revision number. */
+ p = sidstr + 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 (!isdigit(*p)) {
+ goto format_error;
}
- /* Get the revision number. */
- sidout->sid_rev_num = (uint8)strtoul(tok, NULL, 10);
+ conv = (uint32) strtoul(p, &q, 10);
+ if (!q || (*q != '-')) {
+ goto format_error;
+ }
+ sidout->sid_rev_num = (uint8) conv;
+ q++;
- 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 (!isdigit(*q)) {
+ goto format_error;
}
+ /* get identauth */
+ conv = (uint32) strtoul(q, &q, 10);
+ if (!q || (*q != '-')) {
+ goto format_error;
+ }
/* identauth in decimal should be < 2^32 */
- ia = (uint32)strtoul(tok, NULL, 10);
-
- /* NOTE - the ia value is in big-endian format. */
+ /* NOTE - the conv 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->id_auth[2] = (conv & 0xff000000) >> 24;
+ sidout->id_auth[3] = (conv & 0x00ff0000) >> 16;
+ sidout->id_auth[4] = (conv & 0x0000ff00) >> 8;
+ sidout->id_auth[5] = (conv & 0x000000ff);
+ q++;
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));
+ while (true) {
+ char *end;
+
+ if (!isdigit(*q)) {
+ goto format_error;
+ }
+
+ conv = strtoul(q, &end, 10);
+ if (end == q) {
+ goto format_error;
+ }
+
+ if (!sid_append_rid(sidout, conv)) {
+ DEBUG(3, ("Too many sid auths in %s\n", sidstr));
+ return false;
+ }
+
+ q = end;
+ if (*q == '\0') {
+ break;
+ }
+ if (*q != '-') {
+ goto format_error;
+ }
+ q += 1;
}
+ return true;
- SAFE_FREE(q);
- return True;
+format_error:
+ DEBUG(3, ("string_to_sid: SID %s is not in a valid format\n", sidstr));
+ return false;
}
/*****************************************************************
Add a rid to the end of a sid
*****************************************************************/
-BOOL sid_append_rid(DOM_SID *sid, uint32 rid)
+bool sid_append_rid(struct dom_sid *sid, uint32 rid)
{
if (sid->num_auths < MAXSUBAUTHS) {
sid->sub_auths[sid->num_auths++] = rid;
return False;
}
+bool sid_compose(struct dom_sid *dst, const struct dom_sid *domain_sid, uint32 rid)
+{
+ sid_copy(dst, domain_sid);
+ return sid_append_rid(dst, rid);
+}
+
/*****************************************************************
Removes the last rid from the end of a sid
*****************************************************************/
-BOOL sid_split_rid(DOM_SID *sid, uint32 *rid)
+bool sid_split_rid(struct dom_sid *sid, uint32 *rid)
{
if (sid->num_auths > 0) {
sid->num_auths--;
Return the last rid from the end of a sid
*****************************************************************/
-BOOL sid_peek_rid(const DOM_SID *sid, uint32 *rid)
+bool sid_peek_rid(const struct 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;
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)
+bool sid_peek_check_rid(const struct dom_sid *exp_dom_sid, const struct dom_sid *sid, uint32 *rid)
{
if (!exp_dom_sid || !sid || !rid)
return False;
-
+
if (sid->num_auths != (exp_dom_sid->num_auths+1)) {
return False;
}
*rid=(-1);
return False;
}
-
+
return sid_peek_rid(sid, rid);
}
Copies a sid
*****************************************************************/
-void sid_copy(DOM_SID *dst, const DOM_SID *src)
+void sid_copy(struct dom_sid *dst, const struct dom_sid *src)
{
int i;
Write a sid out into on-the-wire format.
*****************************************************************/
-BOOL sid_linearize(char *outbuf, size_t len, const DOM_SID *sid)
+bool sid_linearize(char *outbuf, size_t len, const struct dom_sid *sid)
{
size_t i;
- if (len < sid_size(sid))
+ if (len < ndr_size_dom_sid(sid, 0))
return False;
SCVAL(outbuf,0,sid->sid_rev_num);
}
/*****************************************************************
- Parse a on-the-wire SID to a DOM_SID.
+ Parse a on-the-wire SID to a struct dom_sid.
*****************************************************************/
-BOOL sid_parse(const char *inbuf, size_t len, DOM_SID *sid)
+bool sid_parse(const char *inbuf, size_t len, struct dom_sid *sid)
{
int i;
if (len < 8)
Compare the auth portion of two sids.
*****************************************************************/
-static int sid_compare_auth(const DOM_SID *sid1, const DOM_SID *sid2)
+static int sid_compare_auth(const struct dom_sid *sid1, const struct dom_sid *sid2)
{
int i;
Compare two sids.
*****************************************************************/
-int sid_compare(const DOM_SID *sid1, const DOM_SID *sid2)
+int sid_compare(const struct dom_sid *sid1, const struct dom_sid *sid2)
{
int i;
this just compares the leading sub-auths
*****************************************************************/
-int sid_compare_domain(const DOM_SID *sid1, const DOM_SID *sid2)
+int sid_compare_domain(const struct dom_sid *sid1, const struct dom_sid *sid2)
{
int n, i;
Compare two sids.
*****************************************************************/
-BOOL sid_equal(const DOM_SID *sid1, const DOM_SID *sid2)
+bool sid_equal(const struct dom_sid *sid1, const struct 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 one of the builtin SIDs (S-1-5-32-a).
-*****************************************************************/
-
-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);
-}
-
-/*****************************************************************
- Calculates size of a sid.
-*****************************************************************/
-
-size_t sid_size(const DOM_SID *sid)
-{
- if (sid == NULL)
- return 0;
-
- return sid->num_auths * sizeof(uint32) + 8;
-}
-
/*****************************************************************
Returns true if SID is internal (and non-mappable).
*****************************************************************/
-BOOL non_mappable_sid(DOM_SID *sid)
+bool non_mappable_sid(struct dom_sid *sid)
{
- DOM_SID dom;
+ struct dom_sid dom;
uint32 rid;
sid_copy(&dom, sid);
}
/*****************************************************************
- Return the binary string representation of a DOM_SID.
+ Return the binary string representation of a struct dom_sid.
Caller must free.
*****************************************************************/
-char *sid_binstring(const DOM_SID *sid)
+char *sid_binstring(TALLOC_CTX *mem_ctx, const struct dom_sid *sid)
{
- char *buf, *s;
- int len = sid_size(sid);
- buf = malloc(len);
- if (!buf)
+ uint8_t *buf;
+ char *s;
+ int len = ndr_size_dom_sid(sid, 0);
+ buf = talloc_array(mem_ctx, uint8_t, len);
+ if (!buf) {
return NULL;
- sid_linearize(buf, len, sid);
- s = binary_string(buf, len);
- free(buf);
+ }
+ sid_linearize((char *)buf, len, sid);
+ s = binary_string_rfc2254(mem_ctx, buf, len);
+ TALLOC_FREE(buf);
return s;
}
-
/*****************************************************************
- Print a GUID structure for debugging.
+ Return the binary string representation of a struct dom_sid.
+ Caller must free.
*****************************************************************/
-void print_guid(GUID *guid)
+char *sid_binstring_hex(const struct dom_sid *sid)
{
- int i;
-
- d_printf("%08x-%04x-%04x",
- IVAL(guid->info, 0), SVAL(guid->info, 4), SVAL(guid->info, 6));
- d_printf("-%02x%02x-", guid->info[8], guid->info[9]);
- for (i=10;i<GUID_SIZE;i++)
- d_printf("%02x", guid->info[i]);
- d_printf("\n");
+ char *buf, *s;
+ int len = ndr_size_dom_sid(sid, 0);
+ buf = (char *)SMB_MALLOC(len);
+ 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, DOM_SID *src)
+struct dom_sid *sid_dup_talloc(TALLOC_CTX *ctx, const struct dom_sid *src)
{
- DOM_SID *dst;
-
- if(!src)
+ struct dom_sid *dst;
+
+ if (src == NULL) {
return NULL;
-
- if((dst = talloc_zero(ctx, sizeof(DOM_SID))) != NULL) {
- sid_copy( dst, src);
}
-
+ dst = talloc_zero(ctx, struct dom_sid);
+ if (dst == NULL) {
+ return NULL;
+ }
+ sid_copy(dst, src);
return dst;
}
+
+/********************************************************************
+ Add SID to an array SIDs
+********************************************************************/
+
+NTSTATUS add_sid_to_array(TALLOC_CTX *mem_ctx, const struct dom_sid *sid,
+ struct dom_sid **sids, uint32_t *num)
+{
+ *sids = TALLOC_REALLOC_ARRAY(mem_ctx, *sids, struct dom_sid,
+ (*num)+1);
+ if (*sids == NULL) {
+ *num = 0;
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ sid_copy(&((*sids)[*num]), sid);
+ *num += 1;
+
+ return NT_STATUS_OK;
+}
+
+
+/********************************************************************
+ Add SID to an array SIDs ensuring that it is not already there
+********************************************************************/
+
+NTSTATUS add_sid_to_array_unique(TALLOC_CTX *mem_ctx, const struct dom_sid *sid,
+ struct dom_sid **sids, uint32_t *num_sids)
+{
+ size_t i;
+
+ for (i=0; i<(*num_sids); i++) {
+ if (sid_compare(sid, &(*sids)[i]) == 0)
+ return NT_STATUS_OK;
+ }
+
+ return add_sid_to_array(mem_ctx, sid, sids, num_sids);
+}
+
+/********************************************************************
+ Remove SID from an array
+********************************************************************/
+
+void del_sid_from_array(const struct dom_sid *sid, struct dom_sid **sids, size_t *num)
+{
+ struct dom_sid *sid_list = *sids;
+ size_t i;
+
+ for ( i=0; i<*num; i++ ) {
+
+ /* if we find the SID, then decrement the count
+ and break out of the loop */
+
+ if ( sid_equal(sid, &sid_list[i]) ) {
+ *num -= 1;
+ break;
+ }
+ }
+
+ /* This loop will copy the remainder of the array
+ if i < num of sids ni the array */
+
+ for ( ; i<*num; i++ )
+ sid_copy( &sid_list[i], &sid_list[i+1] );
+
+ return;
+}
+
+bool add_rid_to_array_unique(TALLOC_CTX *mem_ctx,
+ uint32 rid, uint32 **pp_rids, size_t *p_num)
+{
+ size_t i;
+
+ for (i=0; i<*p_num; i++) {
+ if ((*pp_rids)[i] == rid)
+ return True;
+ }
+
+ *pp_rids = TALLOC_REALLOC_ARRAY(mem_ctx, *pp_rids, uint32, *p_num+1);
+
+ if (*pp_rids == NULL) {
+ *p_num = 0;
+ return False;
+ }
+
+ (*pp_rids)[*p_num] = rid;
+ *p_num += 1;
+ return True;
+}
+
+bool is_null_sid(const struct dom_sid *sid)
+{
+ static const struct dom_sid null_sid = {0};
+ return sid_equal(sid, &null_sid);
+}
+
+bool is_sid_in_token(const NT_USER_TOKEN *token, const struct dom_sid *sid)
+{
+ int i;
+
+ for (i=0; i<token->num_sids; i++) {
+ if (sid_compare(sid, &token->sids[i]) == 0)
+ return true;
+ }
+ return false;
+}
+
+NTSTATUS sid_array_from_info3(TALLOC_CTX *mem_ctx,
+ const struct netr_SamInfo3 *info3,
+ struct dom_sid **user_sids,
+ uint32_t *num_user_sids,
+ bool include_user_group_rid,
+ bool skip_ressource_groups)
+{
+ NTSTATUS status;
+ struct dom_sid sid;
+ struct dom_sid *sid_array = NULL;
+ uint32_t num_sids = 0;
+ int i;
+
+ if (include_user_group_rid) {
+ if (!sid_compose(&sid, info3->base.domain_sid, info3->base.rid)) {
+ DEBUG(3, ("could not compose user SID from rid 0x%x\n",
+ info3->base.rid));
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+ status = add_sid_to_array(mem_ctx, &sid, &sid_array, &num_sids);
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(3, ("could not append user SID from rid 0x%x\n",
+ info3->base.rid));
+ return status;
+ }
+ }
+
+ if (!sid_compose(&sid, info3->base.domain_sid, info3->base.primary_gid)) {
+ DEBUG(3, ("could not compose group SID from rid 0x%x\n",
+ info3->base.primary_gid));
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+ status = add_sid_to_array(mem_ctx, &sid, &sid_array, &num_sids);
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(3, ("could not append group SID from rid 0x%x\n",
+ info3->base.rid));
+ return status;
+ }
+
+ for (i = 0; i < info3->base.groups.count; i++) {
+ /* Don't add the primary group sid twice. */
+ if (info3->base.primary_gid == info3->base.groups.rids[i].rid) {
+ continue;
+ }
+ if (!sid_compose(&sid, info3->base.domain_sid,
+ info3->base.groups.rids[i].rid)) {
+ DEBUG(3, ("could not compose SID from additional group "
+ "rid 0x%x\n", info3->base.groups.rids[i].rid));
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+ status = add_sid_to_array(mem_ctx, &sid, &sid_array, &num_sids);
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(3, ("could not append SID from additional group "
+ "rid 0x%x\n", info3->base.groups.rids[i].rid));
+ return status;
+ }
+ }
+
+ /* Copy 'other' sids. We need to do sid filtering here to
+ prevent possible elevation of privileges. See:
+
+ http://www.microsoft.com/windows2000/techinfo/administration/security/sidfilter.asp
+ */
+
+ for (i = 0; i < info3->sidcount; i++) {
+
+ if (skip_ressource_groups &&
+ (info3->sids[i].attributes & SE_GROUP_RESOURCE)) {
+ continue;
+ }
+
+ status = add_sid_to_array(mem_ctx, info3->sids[i].sid,
+ &sid_array, &num_sids);
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(3, ("could not add SID to array: %s\n",
+ sid_string_dbg(info3->sids[i].sid)));
+ return status;
+ }
+ }
+
+ *user_sids = sid_array;
+ *num_user_sids = num_sids;
+
+ return NT_STATUS_OK;
+}
git.samba.org / samba.git / blobdiff