--- /dev/null
+/*
+ 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) 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
+ (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.
+*/
+
+#include "includes.h"
+
+/*
+ * Some useful sids
+ */
+
+
+const 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 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 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 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 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 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 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}};
+const 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 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 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 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 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 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 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 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 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 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 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 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 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 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}};
+
+#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] =
+{ { 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 };
+
+static 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;
+ 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_UNKNOWN, "UNKNOWN"},
+ {SID_NAME_COMPUTER, "Computer"},
+
+ {(enum SID_NAME_USE)0, NULL}
+};
+
+const char *sid_type_lookup(uint32 sid_type)
+{
+ int i = 0;
+
+ /* 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++;
+ }
+
+ /* Default return */
+ return "SID *TYPE* is INVALID";
+}
+
+/**************************************************************************
+ Create the SYSTEM token.
+***************************************************************************/
+
+NT_USER_TOKEN *get_system_token(void)
+{
+ 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.
+***************************************************************************/
+
+void split_domain_name(const char *fullname, char *domain, char *name)
+{
+ 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, get_global_sam_name());
+ fstrcpy(name, full_name);
+ }
+
+ DEBUG(10,("split_domain_name:name '%s' split into domain :'%s' and user :'%s'\n",
+ 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;
+
+ 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;
+}
+
+/*****************************************************************
+ Useful function for debug lines.
+*****************************************************************/
+
+const char *sid_string_static(const 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, const char *sidstr)
+{
+ const char *p;
+ char *q;
+ /* BIG NOTE: this function only does SIDS where the identauth is not >= 2^32 */
+ uint32 conv;
+
+ if ((sidstr[0] != 'S' && sidstr[0] != 's') || sidstr[1] != '-') {
+ DEBUG(3,("string_to_sid: Sid %s does not start with 'S-'.\n", sidstr));
+ return False;
+ }
+
+ ZERO_STRUCTP(sidout);
+
+ /* Get the revision number. */
+ p = sidstr + 2;
+ conv = (uint32) strtoul(p, &q, 10);
+ if (!q || (*q != '-')) {
+ DEBUG(3,("string_to_sid: Sid %s is not in a valid format.\n", sidstr));
+ return False;
+ }
+ sidout->sid_rev_num = (uint8) conv;
+ q++;
+
+ /* get identauth */
+ conv = (uint32) strtoul(q, &q, 10);
+ if (!q || (*q != '-')) {
+ DEBUG(0,("string_to_sid: Sid %s is not in a valid format.\n", sidstr));
+ return False;
+ }
+ /* identauth in decimal should be < 2^32 */
+ /* NOTE - the conv value is in big-endian format. */
+ sidout->id_auth[0] = 0;
+ sidout->id_auth[1] = 0;
+ 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;
+
+ for(conv = (uint32) strtoul(q, &q, 10);
+ q && (*q =='-' || *q =='\0') && (sidout->num_auths < MAXSUBAUTHS);
+ conv = (uint32) strtoul(q, &q, 10)) {
+ sid_append_rid(sidout, conv);
+ if (*q == '\0')
+ break;
+ q++;
+ }
+
+ return True;
+}
+
+DOM_SID *string_sid_talloc(TALLOC_CTX *mem_ctx, const char *sidstr)
+{
+ DOM_SID *result = TALLOC_P(mem_ctx, DOM_SID);
+
+ if (result == NULL)
+ return NULL;
+
+ if (!string_to_sid(result, sidstr))
+ return NULL;
+
+ return result;
+}
+
+/*****************************************************************
+ Add a rid to the end of a sid
+*****************************************************************/
+
+BOOL sid_append_rid(DOM_SID *sid, uint32 rid)
+{
+ if (sid->num_auths < MAXSUBAUTHS) {
+ sid->sub_auths[sid->num_auths++] = rid;
+ return True;
+ }
+ return False;
+}
+
+BOOL sid_compose(DOM_SID *dst, const 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)
+{
+ if (sid->num_auths > 0) {
+ sid->num_auths--;
+ *rid = sid->sub_auths[sid->num_auths];
+ 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->num_auths != (exp_dom_sid->num_auths+1)) {
+ return False;
+ }
+
+ if (sid_compare_domain(exp_dom_sid, sid)!=0){
+ *rid=(-1);
+ return False;
+ }
+
+ return sid_peek_rid(sid, rid);
+}
+
+/*****************************************************************
+ Copies a sid
+*****************************************************************/
+
+void sid_copy(DOM_SID *dst, const DOM_SID *src)
+{
+ int i;
+
+ ZERO_STRUCTP(dst);
+
+ dst->sid_rev_num = src->sid_rev_num;
+ dst->num_auths = src->num_auths;
+
+ memcpy(&dst->id_auth[0], &src->id_auth[0], sizeof(src->id_auth));
+
+ for (i = 0; i < src->num_auths; i++)
+ 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, const DOM_SID *sid)
+{
+ size_t i;
+
+ if (len < sid_size(sid))
+ return False;
+
+ SCVAL(outbuf,0,sid->sid_rev_num);
+ SCVAL(outbuf,1,sid->num_auths);
+ memcpy(&outbuf[2], sid->id_auth, 6);
+ for(i = 0; i < sid->num_auths; i++)
+ SIVAL(outbuf, 8 + (i*4), sid->sub_auths[i]);
+
+ return True;
+}
+
+/*****************************************************************
+ Parse a on-the-wire SID to a DOM_SID.
+*****************************************************************/
+
+BOOL sid_parse(const char *inbuf, size_t len, DOM_SID *sid)
+{
+ int i;
+ 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++)
+ 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->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 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 sid1->sub_auths[i] - sid2->sub_auths[i];
+
+ return sid_compare_auth(sid1, sid2);
+}
+
+/*****************************************************************
+ 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;
+
+ 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 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)
+{
+ 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_NT_Authority))
+ return True;
+
+ return False;
+}
+
+/*****************************************************************
+ 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 = 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, const DOM_SID *src)
+{
+ DOM_SID *dst;
+
+ if(!src)
+ return NULL;
+
+ if((dst = TALLOC_ZERO_P(ctx, DOM_SID)) != NULL) {
+ sid_copy( dst, src);
+ }
+
+ return dst;
+}
+
+/********************************************************************
+ Add SID to an array SIDs
+********************************************************************/
+
+void add_sid_to_array(TALLOC_CTX *mem_ctx, const DOM_SID *sid,
+ DOM_SID **sids, size_t *num)
+{
+ if (mem_ctx != NULL)
+ *sids = TALLOC_REALLOC_ARRAY(mem_ctx, *sids, DOM_SID,
+ (*num)+1);
+ else
+ *sids = SMB_REALLOC_ARRAY(*sids, DOM_SID, (*num)+1);
+
+ if (*sids == NULL)
+ return;
+
+ sid_copy(&((*sids)[*num]), sid);
+ *num += 1;
+
+ return;
+}
+
+
+/********************************************************************
+ Add SID to an array SIDs ensuring that it is not already there
+********************************************************************/
+
+void add_sid_to_array_unique(TALLOC_CTX *mem_ctx, const DOM_SID *sid,
+ DOM_SID **sids, size_t *num_sids)
+{
+ size_t i;
+
+ for (i=0; i<(*num_sids); i++) {
+ if (sid_compare(sid, &(*sids)[i]) == 0)
+ return;
+ }
+
+ add_sid_to_array(mem_ctx, sid, sids, num_sids);
+}
+
+/********************************************************************
+ Remove SID from an array
+********************************************************************/
+
+void del_sid_from_array(const DOM_SID *sid, DOM_SID **sids, size_t *num)
+{
+ 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 is_null_sid(const DOM_SID *sid)
+{
+ static const DOM_SID null_sid = {0};
+ return sid_equal(sid, &null_sid);
+}
projects / samba / blobdiff