/*
- Unix SMB/Netbios implementation.
- Version 1.9.
+ Unix SMB/CIFS implementation.
Samba utility functions
- Copyright (C) Andrew Tridgell 1992-1998
-
+ 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
+
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"
+/*
+ * Some useful sids
+ */
+
+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 */
+
+#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
+};
+
+static DOM_SID system_sid_array[4];
+NT_USER_TOKEN system_token = {
+ 1,
+ system_sid_array
+};
-extern int DEBUGLEVEL;
+/****************************************************************************
+ 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"},
+
+ {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";
+}
+
+/****************************************************************************
+ 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.
+***************************************************************************/
+
+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, global_myname());
+ 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(pstring sidstr_out, const DOM_SID *sid)
+char *sid_to_string(fstring sidstr_out, const DOM_SID *sid)
{
- char subauth[16];
- int i;
- /* 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);
-
- slprintf(sidstr_out, sizeof(pstring) - 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]);
- pstrcat(sidstr_out, subauth);
- }
+ 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);
- DEBUG(7,("sid_to_string returning %s\n", sidstr_out));
- return sidstr_out;
+ 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;
}
/*****************************************************************
BOOL string_to_sid(DOM_SID *sidout, const char *sidstr)
{
- const char *p = sidstr;
+ 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));
- if (StrnCaseCmp( sidstr, "S-", 2))
- {
- DEBUG(0,("string_to_sid: Sid %s does not start with 'S-'.\n", sidstr));
+ p = q = strdup(sidstr + 2);
+ if (p == NULL) {
+ DEBUG(0, ("string_to_sid: out of memory!\n"));
return False;
}
- if ((p = strchr(p, '-')) == NULL)
- {
+ 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;
}
- p++;
-
/* Get the revision number. */
- sidout->sid_rev_num = (uint8)strtoul(p,NULL,10);
+ sidout->sid_rev_num = (uint8)strtoul(tok, NULL, 10);
- if ((p = strchr(p, '-')) == NULL)
- {
+ 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;
}
- p++;
-
/* identauth in decimal should be < 2^32 */
- ia = (uint32)strtoul(p,NULL,10);
+ ia = (uint32)strtoul(tok, NULL, 10);
/* NOTE - the ia value is in big-endian format. */
sidout->id_auth[0] = 0;
sidout->num_auths = 0;
- while (((p = strchr(p, '-')) != NULL) && sidout->num_auths < MAXSUBAUTHS)
- {
- p++;
- /*
+ 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(p, NULL, 10));
+ sid_append_rid(sidout, (uint32)strtoul(tok, NULL, 10));
}
+ SAFE_FREE(q);
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)
-{
- int i;
- for (i = 0; i < 6; i++)
- {
- sid1->id_auth[i] = sid2->id_auth[i];
+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;
+}
- for (i = 0; i < sid2->num_auths; i++)
- {
- sid1->sub_auths[i] = sid2->sub_auths[i];
- }
+/*****************************************************************
+ 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;
+
- sid1->num_auths = sid2->num_auths;
- sid1->sid_rev_num = sid2->sid_rev_num;
+ if (sid_compare_domain(exp_dom_sid, sid)!=0){
+ *rid=(-1);
+ return False;
+ }
+
+ return sid_peek_rid(sid, rid);
}
/*****************************************************************
- compare two sids up to the auths of the first sid
+ Copies a sid
*****************************************************************/
-BOOL sid_front_equal(const DOM_SID *sid1, const DOM_SID *sid2)
+
+void sid_copy(DOM_SID *dst, const DOM_SID *src)
{
int 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;
- }
+ ZERO_STRUCTP(dst);
- if (sid1->num_auths > sid2->num_auths ) return False;
- if (sid1->sid_rev_num != sid2->sid_rev_num) return False;
+ dst->sid_rev_num = src->sid_rev_num;
+ dst->num_auths = src->num_auths;
- for (i = 0; i < 6; i++)
- {
- if (sid1->id_auth[i] != sid2->id_auth[i]) return False;
- }
+ memcpy(&dst->id_auth[0], &src->id_auth[0], sizeof(src->id_auth));
- return True;
+ for (i = 0; i < src->num_auths; i++)
+ dst->sub_auths[i] = src->sub_auths[i];
}
/*****************************************************************
- compare two sids
+ Write a sid out into on-the-wire format.
*****************************************************************/
-BOOL sid_equal(const DOM_SID *sid1, const DOM_SID *sid2)
-{
- int 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;
- }
+BOOL sid_linearize(char *outbuf, size_t len, const DOM_SID *sid)
+{
+ size_t i;
- if (sid1->num_auths != sid2->num_auths ) return False;
- if (sid1->sid_rev_num != sid2->sid_rev_num) return False;
+ if (len < sid_size(sid))
+ return False;
- for (i = 0; i < 6; i++)
- {
- if (sid1->id_auth[i] != sid2->id_auth[i]) 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;
+}
/*****************************************************************
- calculates size of a sid
+ Compare the auth portion of two sids.
*****************************************************************/
-int sid_size(const DOM_SID *sid)
+
+static int sid_compare_auth(const DOM_SID *sid1, const DOM_SID *sid2)
{
- if (sid == NULL)
- {
+ int i;
+
+ if (sid1 == sid2)
return 0;
- }
- return sid->num_auths * sizeof(uint32) + 8;
-}
+ 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;
+}
/*****************************************************************
- Duplicates a sid - mallocs the target.
-*****************************************************************/
+ Compare two sids.
+*****************************************************************/
-DOM_SID *sid_dup(const DOM_SID *src)
+int sid_compare(const DOM_SID *sid1, const DOM_SID *sid2)
{
- DOM_SID *dst;
+ int i;
- if(!src)
- return NULL;
+ if (sid1 == sid2)
+ return 0;
+ if (!sid1)
+ return -1;
+ if (!sid2)
+ return 1;
- if((dst = (DOM_SID*)malloc(sizeof(DOM_SID))) != NULL) {
- memset(dst, '\0', sizeof(DOM_SID));
- sid_copy( dst, src);
- }
+ /* 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;
- return dst;
+ 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
+*****************************************************************/
-/****************************************************************************
- Read a SID from a file.
-****************************************************************************/
+int sid_compare_domain(const DOM_SID *sid1, const DOM_SID *sid2)
+{
+ int n, i;
-static BOOL read_sid_from_file(int fd, char *sid_file, DOM_SID *sid)
-{
- fstring fline;
- fstring sid_str;
-
- memset(fline, '\0', sizeof(fline));
-
- if (read(fd, fline, sizeof(fline) -1 ) < 0) {
- DEBUG(0,("unable to read file %s. Error was %s\n",
- sid_file, strerror(errno) ));
- return False;
- }
+ n = MIN(sid1->num_auths, sid2->num_auths);
- /*
- * Convert to the machine SID.
- */
+ 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];
- fline[sizeof(fline)-1] = '\0';
- if (!string_to_sid(sid, fline)) {
- DEBUG(0,("unable to generate machine SID.\n"));
- return False;
- }
+ return sid_compare_auth(sid1, sid2);
+}
- sid_to_string(sid_str, sid);
- DEBUG(5,("read_sid_from_file: sid %s\n", sid_str));
+/*****************************************************************
+ Compare two sids.
+*****************************************************************/
- return True;
+BOOL sid_equal(const DOM_SID *sid1, const DOM_SID *sid2)
+{
+ return sid_compare(sid1, sid2) == 0;
}
-/****************************************************************************
- Generate the global machine sid. Look for the DOMAINNAME.SID file first, if
- not found then look in smb.conf and use it to create the DOMAINNAME.SID file.
-****************************************************************************/
-BOOL read_sid(char *domain_name, DOM_SID *sid)
+/*****************************************************************
+ Check if the SID is the builtin SID (S-1-5-32).
+*****************************************************************/
+
+BOOL sid_check_is_builtin(const DOM_SID *sid)
{
- int fd;
- char *p;
- pstring sid_file;
- fstring sid_string;
- fstring file_name;
- SMB_STRUCT_STAT st;
+ return sid_equal(sid, &global_sid_Builtin);
+}
- pstrcpy(sid_file, lp_smb_passwd_file());
- sid_to_string(sid_string, sid);
+/*****************************************************************
+ Check if the SID is one of the builtin SIDs (S-1-5-32-a).
+*****************************************************************/
- DEBUG(10,("read_sid: Domain: %s SID: %s\n", domain_name, sid_string));
- fstrcat(sid_string, "\n");
+BOOL sid_check_is_in_builtin(const DOM_SID *sid)
+{
+ DOM_SID dom_sid;
+ uint32 rid;
- if (sid_file[0] == 0)
- {
- DEBUG(0,("cannot find smb passwd file\n"));
- return False;
- }
+ sid_copy(&dom_sid, sid);
+ sid_split_rid(&dom_sid, &rid);
+
+ return sid_equal(&dom_sid, &global_sid_Builtin);
+}
- p = strrchr(sid_file, '/');
- if (p != NULL)
- {
- *++p = '\0';
- }
+/*****************************************************************
+ Calculates size of a sid.
+*****************************************************************/
- if (!directory_exist(sid_file, NULL))
- {
- if (mkdir(sid_file, 0700) != 0)
- {
- DEBUG(0,("can't create private directory %s : %s\n",
- sid_file, strerror(errno)));
- return False;
- }
- }
+size_t sid_size(const DOM_SID *sid)
+{
+ if (sid == NULL)
+ return 0;
- slprintf(file_name, sizeof(file_name)-1, "%s.SID", domain_name);
- strupper(file_name);
- pstrcat(sid_file, file_name);
-
- if ((fd = sys_open(sid_file, O_RDWR | O_CREAT, 0644)) == -1) {
- DEBUG(0,("unable to open or create file %s. Error was %s\n",
- sid_file, strerror(errno) ));
- return False;
- }
-
- /*
- * Check if the file contains data.
- */
-
- if (sys_fstat(fd, &st) < 0) {
- DEBUG(0,("unable to stat file %s. Error was %s\n",
- sid_file, strerror(errno) ));
- close(fd);
- return False;
- }
-
- if (st.st_size == 0)
- {
- close(fd);
- return False;
- }
+ return sid->num_auths * sizeof(uint32) + 8;
+}
- /*
- * We have a valid SID - read it.
- */
+/*****************************************************************
+ Returns true if SID is internal (and non-mappable).
+*****************************************************************/
- if (!read_sid_from_file(fd, sid_file, sid))
- {
- DEBUG(0,("unable to read file %s. Error was %s\n",
- sid_file, strerror(errno) ));
- close(fd);
- return False;
- }
- close(fd);
- return True;
-}
+BOOL non_mappable_sid(DOM_SID *sid)
+{
+ DOM_SID dom;
+ uint32 rid;
+ sid_copy(&dom, sid);
+ sid_split_rid(&dom, &rid);
-/****************************************************************************
- Generate the global machine sid. Look for the DOMAINNAME.SID file first, if
- not found then look in smb.conf and use it to create the DOMAINNAME.SID file.
-****************************************************************************/
-BOOL write_sid(char *domain_name, DOM_SID *sid)
-{
- int fd;
- char *p;
- pstring sid_file;
- fstring sid_string;
- fstring file_name;
- SMB_STRUCT_STAT st;
+ if (sid_equal(&dom, &global_sid_Builtin))
+ return True;
- pstrcpy(sid_file, lp_smb_passwd_file());
- sid_to_string(sid_string, sid);
+ if (sid_equal(&dom, &global_sid_NT_Authority))
+ return True;
- DEBUG(10,("write_sid: Domain: %s SID: %s\n", domain_name, sid_string));
- fstrcat(sid_string, "\n");
+ return False;
+}
- if (sid_file[0] == 0)
- {
- DEBUG(0,("cannot find smb passwd file\n"));
- return False;
- }
+/*****************************************************************
+ Return the binary string representation of a DOM_SID.
+ Caller must free.
+*****************************************************************/
- p = strrchr(sid_file, '/');
- if (p != NULL)
- {
- *++p = '\0';
- }
+char *sid_binstring(const 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;
+}
- if (!directory_exist(sid_file, NULL)) {
- if (mkdir(sid_file, 0700) != 0) {
- DEBUG(0,("can't create private directory %s : %s\n",
- sid_file, strerror(errno)));
- return False;
- }
- }
- slprintf(file_name, sizeof(file_name)-1, "%s.SID", domain_name);
- strupper(file_name);
- pstrcat(sid_file, file_name);
-
- if ((fd = sys_open(sid_file, O_RDWR | O_CREAT, 0644)) == -1) {
- DEBUG(0,("unable to open or create file %s. Error was %s\n",
- sid_file, strerror(errno) ));
- return False;
- }
-
- /*
- * Check if the file contains data.
- */
-
- if (sys_fstat(fd, &st) < 0) {
- DEBUG(0,("unable to stat file %s. Error was %s\n",
- sid_file, strerror(errno) ));
- close(fd);
- return False;
- }
-
- if (st.st_size > 0)
- {
- /*
- * We have a valid SID already.
- */
- close(fd);
- DEBUG(0,("SID file %s already exists\n", sid_file));
- return False;
- }
-
- if (!do_file_lock(fd, 60, F_WRLCK))
- {
- DEBUG(0,("unable to lock file %s. Error was %s\n",
- sid_file, strerror(errno) ));
- close(fd);
- return False;
- }
-
- /*
- * At this point we have a blocking lock on the SID
- * file - check if in the meantime someone else wrote
- * SID data into the file. If so - they were here first,
- * use their data.
- */
-
- if (sys_fstat(fd, &st) < 0)
- {
- DEBUG(0,("unable to stat file %s. Error was %s\n",
- sid_file, strerror(errno) ));
- close(fd);
- return False;
- }
-
- if (st.st_size > 0)
- {
- /*
- * Unlock as soon as possible to reduce
- * contention on the exclusive lock.
- */
- do_file_lock(fd, 60, F_UNLCK);
-
- /*
- * We have a valid SID already.
- */
-
- DEBUG(0,("SID file %s already exists\n", sid_file));
- close(fd);
- return False;
- }
-
- /*
- * The file is still empty and we have an exlusive lock on it.
- * Write out out SID data into the file.
- */
-
- if (fchmod(fd, 0644) < 0)
- {
- DEBUG(0,("unable to set correct permissions on file %s. \
-Error was %s\n", sid_file, strerror(errno) ));
- close(fd);
- return False;
- }
-
- if (write(fd, sid_string, strlen(sid_string)) != strlen(sid_string))
- {
- DEBUG(0,("unable to write file %s. Error was %s\n",
- sid_file, strerror(errno) ));
- close(fd);
- return False;
- }
-
- /*
- * Unlock & exit.
- */
-
- do_file_lock(fd, 60, F_UNLCK);
- close(fd);
- return True;
-}
+/*****************************************************************
+ Print a GUID structure for debugging.
+*****************************************************************/
-/****************************************************************************
-create a random SID.
-****************************************************************************/
-BOOL create_new_sid(DOM_SID *sid)
+void print_guid(GUID *guid)
{
- uchar raw_sid_data[12];
- fstring sid_string;
int i;
- /*
- * Generate the new sid data & turn it into a string.
- */
- generate_random_buffer(raw_sid_data, 12, True);
-
- fstrcpy(sid_string, "S-1-5-21");
- for(i = 0; i < 3; i++)
- {
- fstring tmp_string;
- slprintf(tmp_string, sizeof(tmp_string) - 1, "-%u", IVAL(raw_sid_data, i*4));
- fstrcat(sid_string, tmp_string);
- }
-
- fstrcat(sid_string, "\n");
-
- /*
- * Ensure our new SID is valid.
- */
-
- if (!string_to_sid(sid, sid_string))
- {
- DEBUG(0,("unable to generate machine SID.\n"));
- return False;
- }
+ 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");
+}
- return True;
+/*******************************************************************
+ Tallocs a duplicate SID.
+********************************************************************/
+
+DOM_SID *sid_dup_talloc(TALLOC_CTX *ctx, 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 / kai / samba.git / blobdiff