Version 1.9.
Samba utility functions
Copyright (C) Andrew Tridgell 1992-1998
+ Copyright (C) Luke Kenneth Caseson Leighton 1998-1999
+ Copyright (C) Jeremy Allison 1999
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"
+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 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_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 known_sid_users builtin_groups[] = {
+ { BUILTIN_ALIAS_RID_ADMINS, SID_NAME_ALIAS, "Administrators" },
+ { BUILTIN_ALIAS_RID_USERS, SID_NAME_ALIAS, "Users" },
+ { BUILTIN_ALIAS_RID_GUESTS, SID_NAME_ALIAS, "Guests" },
+ { BUILTIN_ALIAS_RID_ACCOUNT_OPS, SID_NAME_ALIAS, "Account Operators" },
+ { BUILTIN_ALIAS_RID_SYSTEM_OPS, SID_NAME_ALIAS, "Server Operators" },
+ { BUILTIN_ALIAS_RID_PRINT_OPS, SID_NAME_ALIAS, "Print Operators" },
+ { BUILTIN_ALIAS_RID_BACKUP_OPS, SID_NAME_ALIAS, "Backup Operators" },
+ { 0, (enum SID_NAME_USE)0, NULL}};
+
+#define MAX_SID_NAMES 7
+
+static struct sid_name_map_info
+{
+ DOM_SID *sid;
+ char *name;
+ known_sid_users *known_users;
+} sid_name_map[MAX_SID_NAMES];
+
+static BOOL sid_name_map_initialized = False;
+
+/*
+ * An NT compatible anonymous token.
+ */
+
+static DOM_SID anon_sid_array[3];
+
+NT_USER_TOKEN anonymous_token = {
+ 3,
+ anon_sid_array
+};
+
+/**************************************************************************
+ 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 = &global_sam_sid;
+ sid_name_map[i].name = global_myworkgroup;
+ sid_name_map[i].known_users = NULL;
+ i++;
+ sid_name_map[i].sid = &global_sam_sid;
+ sid_name_map[i].name = global_myname;
+ sid_name_map[i].known_users = NULL;
+ i++;
+ }
+ else {
+ sid_name_map[i].sid = &global_sam_sid;
+ sid_name_map[i].name = 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;
+
+}
+
+/****************************************************************************
+ 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");
+ string_to_sid(&global_sid_World_Domain, "S-1-1");
+ 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_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");
+
+ /* 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);
+}
+
+/**************************************************************************
+ 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);
+
+ 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;
+
+ 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;
+
+ 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;
+ }
+ }
+ }
+ }
+
+ 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;
+ }
-extern int DEBUGLEVEL;
+ DEBUG(5,("map_domain_name_to_sid: %s\n", nt_domain));
+ if (!sid_name_map_initialized)
+ init_sid_name_map();
+
+ 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;
+}
+
+/**************************************************************************
+ 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;
+ char *p, *sep;
+
+ 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));
+}
/*****************************************************************
Convert a SID to an ascii string.
*****************************************************************/
-char *sid_to_string(pstring sidstr_out, const DOM_SID *sid)
+char *sid_to_string(fstring sidstr_out, DOM_SID *sid)
{
char subauth[16];
int i;
(sid->id_auth[3] << 16) +
(sid->id_auth[2] << 24);
- slprintf(sidstr_out, sizeof(pstring) - 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++)
- {
+ for (i = 0; i < sid->num_auths; i++) {
slprintf(subauth, sizeof(subauth)-1, "-%lu", (unsigned long)sid->sub_auths[i]);
- pstrcat(sidstr_out, subauth);
+ fstrcat(sidstr_out, subauth);
}
- DEBUG(7,("sid_to_string returning %s\n", sidstr_out));
return sidstr_out;
}
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(DOM_SID *sidout, char *sidstr)
{
- const char *p = sidstr;
- /* BIG NOTE: this function only does SIDS where the identauth is not >= 2^32 */
- uint32 ia;
-
- memset((char *)sidout, '\0', sizeof(DOM_SID));
+ pstring tok;
+ char *p = sidstr;
+ /* 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 ((p = strchr(p, '-')) == NULL)
- {
- DEBUG(0,("string_to_sid: Sid %s is not in a valid format.\n", sidstr));
- return False;
- }
+ if (StrnCaseCmp( sidstr, "S-", 2)) {
+ DEBUG(0,("string_to_sid: Sid %s does not start with 'S-'.\n", sidstr));
+ return False;
+ }
- p++;
+ p += 2;
+ if (!next_token(&p, tok, "-", sizeof(tok))) {
+ DEBUG(0,("string_to_sid: Sid %s is not in a valid format.\n", sidstr));
+ return False;
+ }
- /* Get the revision number. */
- sidout->sid_rev_num = (uint8)strtoul(p,NULL,10);
+ /* Get the revision number. */
+ sidout->sid_rev_num = (uint8)strtoul(tok, NULL, 10);
- if ((p = strchr(p, '-')) == NULL)
- {
- DEBUG(0,("string_to_sid: Sid %s is not in a valid format.\n", sidstr));
- return False;
- }
+ if (!next_token(&p, tok, "-", sizeof(tok))) {
+ DEBUG(0,("string_to_sid: Sid %s is not in a valid format.\n", sidstr));
+ return False;
+ }
- p++;
-
- /* identauth in decimal should be < 2^32 */
- ia = (uint32)strtoul(p,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 (((p = strchr(p, '-')) != NULL) && sidout->num_auths < MAXSUBAUTHS)
- {
- p++;
- /*
- * 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(p, NULL, 10));
- }
+ /* 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));
+ }
- return True;
+ return True;
}
/*****************************************************************
- add a rid to the end of a sid
+ Add a rid to the end of a sid
*****************************************************************/
+
BOOL sid_append_rid(DOM_SID *sid, uint32 rid)
{
- if (sid->num_auths < MAXSUBAUTHS)
- {
+ if (sid->num_auths < MAXSUBAUTHS) {
sid->sub_auths[sid->num_auths++] = rid;
return True;
}
}
/*****************************************************************
- removes the last rid from the end of a sid
+ Removes the last rid from the end of a sid
*****************************************************************/
+
BOOL sid_split_rid(DOM_SID *sid, uint32 *rid)
{
- if (sid->num_auths > 0)
- {
+ if (sid->num_auths > 0) {
sid->num_auths--;
- if (rid != NULL)
- {
- (*rid) = sid->sub_auths[sid->num_auths];
- }
+ *rid = sid->sub_auths[sid->num_auths];
return True;
}
return False;
}
/*****************************************************************
- copies a sid
+ Return the last rid from the end of a sid
*****************************************************************/
-void sid_copy(DOM_SID *sid1, const DOM_SID *sid2)
+
+BOOL sid_peek_rid(DOM_SID *sid, uint32 *rid)
+{
+ if (sid->num_auths > 0) {
+ *rid = sid->sub_auths[sid->num_auths - 1];
+ return True;
+ }
+ return False;
+}
+
+/*****************************************************************
+ Copies a sid
+*****************************************************************/
+
+void sid_copy(DOM_SID *dst, const DOM_SID *src)
{
int i;
- for (i = 0; i < 6; i++)
- {
- sid1->id_auth[i] = sid2->id_auth[i];
- }
+ memset((char *)dst, '\0', sizeof(DOM_SID));
- for (i = 0; i < sid2->num_auths; i++)
- {
- sid1->sub_auths[i] = sid2->sub_auths[i];
- }
+ 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];
+}
+
+/*****************************************************************
+ Duplicates a sid - mallocs the target.
+*****************************************************************/
+
+DOM_SID *sid_dup(DOM_SID *src)
+{
+ DOM_SID *dst;
+
+ if(!src)
+ return NULL;
+
+ if((dst = malloc(sizeof(DOM_SID))) != NULL) {
+ memset(dst, '\0', sizeof(DOM_SID));
+ sid_copy( dst, src);
+ }
- sid1->num_auths = sid2->num_auths;
- sid1->sid_rev_num = sid2->sid_rev_num;
+ return dst;
}
/*****************************************************************
- compare two sids up to the auths of the first sid
+ Write a sid out into on-the-wire format.
*****************************************************************/
-BOOL sid_front_equal(const DOM_SID *sid1, const DOM_SID *sid2)
+BOOL sid_linearize(char *outbuf, size_t len, DOM_SID *sid)
{
- int i;
+ size_t i;
- /* compare most likely different rids, first: i.e start at end */
- for (i = sid1->num_auths-1; i >= 0; --i)
- {
- if (sid1->sub_auths[i] != sid2->sub_auths[i]) return False;
+ 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(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;
+}
+
+
+/*****************************************************************
+ Compare the domain portion of two sids.
+*****************************************************************/
+int sid_compare_domain(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->num_auths > sid2->num_auths ) return False;
- if (sid1->sid_rev_num != sid2->sid_rev_num) return False;
+ 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 False;
- }
+ if (sid1->id_auth[i] != sid2->id_auth[i])
+ return sid1->id_auth[i] - sid2->id_auth[i];
- return True;
+ return 0;
}
/*****************************************************************
- compare two sids
+ Compare two sids.
*****************************************************************/
-BOOL sid_equal(const DOM_SID *sid1, const DOM_SID *sid2)
+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 False;
- }
+ if (sid1->sub_auths[i] != sid2->sub_auths[i])
+ 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_domain(sid1, sid2);
+}
- for (i = 0; i < 6; i++)
- {
- if (sid1->id_auth[i] != sid2->id_auth[i]) return False;
- }
- return True;
+/*****************************************************************
+ 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 our domain SID (S-1-5-21-x-y-z).
+*****************************************************************/
+BOOL sid_check_is_domain(const DOM_SID *sid)
+{
+ return sid_equal(sid, &global_sam_sid);
+}
+
+
+/*****************************************************************
+ 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);
}
/*****************************************************************
- calculates size of a sid
+ Check if the SID is our domain SID (S-1-5-21-x-y-z).
+*****************************************************************/
+BOOL sid_check_is_in_our_domain(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_sam_sid);
+}
+
+/*****************************************************************
+ Check if the SID is our domain SID (S-1-5-21-x-y-z).
*****************************************************************/
-int sid_size(const DOM_SID *sid)
+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(DOM_SID *sid)
{
if (sid == NULL)
- {
return 0;
- }
+
return sid->num_auths * sizeof(uint32) + 8;
}
-
/*****************************************************************
- Duplicates a sid - mallocs the target.
+ Returns true if SID is internal (and non-mappable).
*****************************************************************/
-DOM_SID *sid_dup(const DOM_SID *src)
+BOOL non_mappable_sid(DOM_SID *sid)
{
- DOM_SID *dst;
+ DOM_SID dom;
+ uint32 rid;
- if(!src)
- return NULL;
+ sid_copy(&dom, sid);
+ sid_split_rid(&dom, &rid);
- if((dst = (DOM_SID*)malloc(sizeof(DOM_SID))) != NULL) {
- memset(dst, '\0', sizeof(DOM_SID));
- sid_copy( dst, src);
- }
+ if (sid_equal(&dom, &global_sid_Builtin))
+ return True;
- return dst;
+ 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 / ira / wip.git / blobdiff