mirror of
https://github.com/samba-team/samba.git
synced 2024-12-23 17:34:34 +03:00
684edc9fcd
store passwords in ascii format
- dealt with lots of signed/unsigned char thingies spotted by Tim Winders.
(This used to be commit bd825f1ef1
)
1072 lines
31 KiB
C
1072 lines
31 KiB
C
/*
|
|
Unix SMB/Netbios implementation.
|
|
Version 1.9.
|
|
Password and authentication handling
|
|
Copyright (C) Jeremy Allison 1996-1998
|
|
Copyright (C) Luke Kenneth Casson Leighton 1996-1998
|
|
|
|
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"
|
|
#include "nterr.h"
|
|
|
|
extern int DEBUGLEVEL;
|
|
|
|
/*
|
|
* This is set on startup - it defines the SID for this
|
|
* machine.
|
|
*/
|
|
|
|
DOM_SID global_machine_sid;
|
|
|
|
/*
|
|
* NOTE. All these functions are abstracted into a structure
|
|
* that points to the correct function for the selected database. JRA.
|
|
*
|
|
* NOTE. for the get/mod/add functions, there are two sets of functions.
|
|
* one supports struct sam_passwd, the other supports struct smb_passwd.
|
|
* for speed optimisation it is best to support both these sets.
|
|
*
|
|
* it is, however, optional to support one set but not the other: there
|
|
* is conversion-capability built in to passdb.c, and run-time error
|
|
* detection for when neither are supported.
|
|
*
|
|
* password database writers are recommended to implement the sam_passwd
|
|
* functions in a first pass, as struct sam_passwd contains more
|
|
* information, needed by the NT Domain support.
|
|
*
|
|
* a full example set of derivative functions are listed below. an API
|
|
* writer is expected to cut/paste these into their module, replace
|
|
* either one set (struct smb_passwd) or the other (struct sam_passwd)
|
|
* OR both, and optionally also to write display info routines
|
|
* (struct sam_disp_info). lkcl
|
|
*
|
|
*/
|
|
|
|
#if 0
|
|
static struct smb_passwd *getPDBpwent (void *vp) { return pdb_sam_to_smb(getPDB21pwent(vp)); }
|
|
static BOOL add_PDBpwd_entry (struct smb_passwd *newpwd) { return add_PDB21pwd_entry(pdb_smb_to_sam(newpwd)); }
|
|
static BOOL mod_PDBpwd_entry (struct smb_passwd* pwd, BOOL override) { return mod_PDB21pwd_entry(pdb_smb_to_sam(pwd), override); }
|
|
static struct smb_passwd *getPDBpwnam (char *name) { return pdb_sam_to_smb(getPDB21pwnam(name)); }
|
|
static struct smb_passwd *getPDBpwuid (uid_t smb_userid) { return pdb_sam_to_smb(getPDB21pwuid(pdb_uid_to_user_rid(smb_userid))); }
|
|
|
|
static struct sam_passwd *getPDB21pwent (void *vp) { return pdb_smb_to_sam(getPDBpwent(vp)); }
|
|
static BOOL add_PDB21pwd_entry (struct sam_passwd *newpwd) { return add_PDBpwd_entry(pdb_sam_to_smb(newpwd)); }
|
|
static BOOL mod_PDB21pwd_entry (struct sam_passwd* pwd, BOOL override) { return mod_PDBpwd_entry(pdb_sam_to_smb(pwd), override); }
|
|
static struct sam_passwd *getPDB21pwnam (char *name) { return pdb_smb_to_sam(getPDBpwnam(name)); }
|
|
static struct sam_passwd *getPDB21pwrid (uint32 rid) { return pdb_smb_to_sam(getPDBpwuid(pdb_user_rid_to_uid(rid))); }
|
|
static struct sam_passwd *getPDB21pwuid (uid_t uid) { return pdb_smb_to_sam(getPDBpwuid(uid)); }
|
|
|
|
static struct sam_disp_info *getPDBdispnam (char *name) { return pdb_sam_to_dispinfo(getPDB21pwnam(name)); }
|
|
static struct sam_disp_info *getPDBdisprid (uint32 rid) { return pdb_sam_to_dispinfo(getPDB21pwrid(rid)); }
|
|
static struct sam_disp_info *getPDBdispent (void *vp) { return pdb_sam_to_dispinfo(getPDB21pwent(vp)); }
|
|
#endif /* 0 */
|
|
|
|
static struct passdb_ops *pdb_ops;
|
|
|
|
/***************************************************************
|
|
Initialize the password db operations.
|
|
***************************************************************/
|
|
|
|
BOOL initialize_password_db(void)
|
|
{
|
|
if (pdb_ops)
|
|
{
|
|
return True;
|
|
}
|
|
|
|
#ifdef USE_NISPLUS_DB
|
|
pdb_ops = nisplus_initialize_password_db();
|
|
#endif /* USE_NISPLUS_DB */
|
|
|
|
#ifdef USE_LDAP_DB
|
|
pdb_ops = ldap_initialize_password_db();
|
|
#endif /* USE_LDAP_DB */
|
|
|
|
#ifdef USE_SMBPASS_DB
|
|
pdb_ops = file_initialize_password_db();
|
|
#endif /* USE_SMBPASS_DB */
|
|
|
|
return (pdb_ops != NULL);
|
|
}
|
|
|
|
/*
|
|
* Functions that return/manipulate a struct smb_passwd.
|
|
*/
|
|
|
|
/************************************************************************
|
|
Utility function to search smb passwd by uid. use this if your database
|
|
does not have search facilities.
|
|
*************************************************************************/
|
|
|
|
struct smb_passwd *iterate_getsmbpwuid(uid_t smb_userid)
|
|
{
|
|
struct smb_passwd *pwd = NULL;
|
|
void *fp = NULL;
|
|
|
|
DEBUG(10, ("iterate_getsmbpwuid: search by smb_userid: %x\n", smb_userid));
|
|
|
|
/* Open the smb password database - not for update. */
|
|
fp = startsmbpwent(False);
|
|
|
|
if (fp == NULL)
|
|
{
|
|
DEBUG(0, ("iterate_getsmbpwuid: unable to open smb password database.\n"));
|
|
return NULL;
|
|
}
|
|
|
|
while ((pwd = getsmbpwent(fp)) != NULL && pwd->smb_userid != smb_userid)
|
|
;
|
|
|
|
if (pwd != NULL)
|
|
{
|
|
DEBUG(10, ("iterate_getsmbpwuid: found by smb_userid: %x\n", smb_userid));
|
|
}
|
|
|
|
endsmbpwent(fp);
|
|
return pwd;
|
|
}
|
|
|
|
/************************************************************************
|
|
Utility function to search smb passwd by name. use this if your database
|
|
does not have search facilities.
|
|
*************************************************************************/
|
|
|
|
struct smb_passwd *iterate_getsmbpwnam(char *name)
|
|
{
|
|
struct smb_passwd *pwd = NULL;
|
|
void *fp = NULL;
|
|
|
|
DEBUG(10, ("iterate_getsmbpwnam: search by name: %s\n", name));
|
|
|
|
/* Open the sam password file - not for update. */
|
|
fp = startsmbpwent(False);
|
|
|
|
if (fp == NULL)
|
|
{
|
|
DEBUG(0, ("iterate_getsmbpwnam: unable to open smb password database.\n"));
|
|
return NULL;
|
|
}
|
|
|
|
while ((pwd = getsmbpwent(fp)) != NULL && !strequal(pwd->smb_name, name))
|
|
;
|
|
|
|
if (pwd != NULL)
|
|
{
|
|
DEBUG(10, ("iterate_getsmbpwnam: found by name: %s\n", name));
|
|
}
|
|
|
|
endsmbpwent(fp);
|
|
return pwd;
|
|
}
|
|
|
|
/***************************************************************
|
|
Start to enumerate the smb or sam passwd list. Returns a void pointer
|
|
to ensure no modification outside this module.
|
|
|
|
Note that currently it is being assumed that a pointer returned
|
|
from this function may be used to enumerate struct sam_passwd
|
|
entries as well as struct smb_passwd entries. This may need
|
|
to change. JRA.
|
|
|
|
****************************************************************/
|
|
|
|
void *startsmbpwent(BOOL update)
|
|
{
|
|
return pdb_ops->startsmbpwent(update);
|
|
}
|
|
|
|
/***************************************************************
|
|
End enumeration of the smb or sam passwd list.
|
|
|
|
Note that currently it is being assumed that a pointer returned
|
|
from this function may be used to enumerate struct sam_passwd
|
|
entries as well as struct smb_passwd entries. This may need
|
|
to change. JRA.
|
|
|
|
****************************************************************/
|
|
|
|
void endsmbpwent(void *vp)
|
|
{
|
|
pdb_ops->endsmbpwent(vp);
|
|
}
|
|
|
|
/*************************************************************************
|
|
Routine to return the next entry in the smb passwd list.
|
|
*************************************************************************/
|
|
|
|
struct smb_passwd *getsmbpwent(void *vp)
|
|
{
|
|
return pdb_ops->getsmbpwent(vp);
|
|
}
|
|
|
|
/*************************************************************************
|
|
Return the current position in the smb passwd list as an unsigned long.
|
|
This must be treated as an opaque token.
|
|
|
|
Note that currently it is being assumed that a pointer returned
|
|
from this function may be used to enumerate struct sam_passwd
|
|
entries as well as struct smb_passwd entries. This may need
|
|
to change. JRA.
|
|
|
|
*************************************************************************/
|
|
|
|
unsigned long getsmbpwpos(void *vp)
|
|
{
|
|
return pdb_ops->getsmbpwpos(vp);
|
|
}
|
|
|
|
/*************************************************************************
|
|
Set the current position in the smb passwd list from unsigned long.
|
|
This must be treated as an opaque token.
|
|
|
|
Note that currently it is being assumed that a pointer returned
|
|
from this function may be used to enumerate struct sam_passwd
|
|
entries as well as struct smb_passwd entries. This may need
|
|
to change. JRA.
|
|
|
|
*************************************************************************/
|
|
|
|
BOOL setsmbpwpos(void *vp, unsigned long tok)
|
|
{
|
|
return pdb_ops->setsmbpwpos(vp, tok);
|
|
}
|
|
|
|
/************************************************************************
|
|
Routine to add an entry to the smb passwd file.
|
|
*************************************************************************/
|
|
|
|
BOOL add_smbpwd_entry(struct smb_passwd *newpwd)
|
|
{
|
|
return pdb_ops->add_smbpwd_entry(newpwd);
|
|
}
|
|
|
|
/************************************************************************
|
|
Routine to search the smb passwd file for an entry matching the username.
|
|
and then modify its password entry. We can't use the startsampwent()/
|
|
getsampwent()/endsampwent() interfaces here as we depend on looking
|
|
in the actual file to decide how much room we have to write data.
|
|
override = False, normal
|
|
override = True, override XXXXXXXX'd out password or NO PASS
|
|
************************************************************************/
|
|
|
|
BOOL mod_smbpwd_entry(struct smb_passwd* pwd, BOOL override)
|
|
{
|
|
return pdb_ops->mod_smbpwd_entry(pwd, override);
|
|
}
|
|
|
|
/************************************************************************
|
|
Routine to search smb passwd by name.
|
|
*************************************************************************/
|
|
|
|
struct smb_passwd *getsmbpwnam(char *name)
|
|
{
|
|
return pdb_ops->getsmbpwnam(name);
|
|
}
|
|
|
|
/************************************************************************
|
|
Routine to search smb passwd by uid.
|
|
*************************************************************************/
|
|
|
|
struct smb_passwd *getsmbpwuid(uid_t smb_userid)
|
|
{
|
|
return pdb_ops->getsmbpwuid(smb_userid);
|
|
}
|
|
|
|
/*
|
|
* Functions that manupulate a struct sam_passwd.
|
|
*/
|
|
|
|
/************************************************************************
|
|
Utility function to search sam passwd by name. use this if your database
|
|
does not have search facilities.
|
|
*************************************************************************/
|
|
|
|
struct sam_passwd *iterate_getsam21pwnam(char *name)
|
|
{
|
|
struct sam_passwd *pwd = NULL;
|
|
void *fp = NULL;
|
|
|
|
DEBUG(10, ("iterate_getsam21pwnam: search by name: %s\n", name));
|
|
|
|
/* Open the smb password database - not for update. */
|
|
fp = startsmbpwent(False);
|
|
|
|
if (fp == NULL)
|
|
{
|
|
DEBUG(0, ("iterate_getsam21pwnam: unable to open sam password database.\n"));
|
|
return NULL;
|
|
}
|
|
|
|
while ((pwd = getsam21pwent(fp)) != NULL && !strequal(pwd->smb_name, name))
|
|
;
|
|
|
|
if (pwd != NULL)
|
|
{
|
|
DEBUG(10, ("iterate_getsam21pwnam: found by name: %s\n", name));
|
|
}
|
|
|
|
endsmbpwent(fp);
|
|
return pwd;
|
|
}
|
|
|
|
/************************************************************************
|
|
Utility function to search sam passwd by rid. use this if your database
|
|
does not have search facilities.
|
|
|
|
search capability by both rid and uid are needed as the rid <-> uid
|
|
mapping may be non-monotonic.
|
|
|
|
*************************************************************************/
|
|
|
|
struct sam_passwd *iterate_getsam21pwrid(uint32 rid)
|
|
{
|
|
struct sam_passwd *pwd = NULL;
|
|
void *fp = NULL;
|
|
|
|
DEBUG(10, ("iterate_getsam21pwrid: search by rid: %x\n", rid));
|
|
|
|
/* Open the smb password file - not for update. */
|
|
fp = startsmbpwent(False);
|
|
|
|
if (fp == NULL)
|
|
{
|
|
DEBUG(0, ("iterate_getsam21pwrid: unable to open sam password database.\n"));
|
|
return NULL;
|
|
}
|
|
|
|
while ((pwd = getsam21pwent(fp)) != NULL && pwd->user_rid != rid)
|
|
;
|
|
|
|
if (pwd != NULL)
|
|
{
|
|
DEBUG(10, ("iterate_getsam21pwrid: found by user_rid: %x\n", rid));
|
|
}
|
|
|
|
endsmbpwent(fp);
|
|
return pwd;
|
|
}
|
|
|
|
/************************************************************************
|
|
Utility function to search sam passwd by uid. use this if your database
|
|
does not have search facilities.
|
|
|
|
search capability by both rid and uid are needed as the rid <-> uid
|
|
mapping may be non-monotonic.
|
|
|
|
*************************************************************************/
|
|
|
|
struct sam_passwd *iterate_getsam21pwuid(uid_t uid)
|
|
{
|
|
struct sam_passwd *pwd = NULL;
|
|
void *fp = NULL;
|
|
|
|
DEBUG(10, ("iterate_getsam21pwuid: search by uid: %x\n", uid));
|
|
|
|
/* Open the smb password file - not for update. */
|
|
fp = startsmbpwent(False);
|
|
|
|
if (fp == NULL)
|
|
{
|
|
DEBUG(0, ("iterate_getsam21pwuid: unable to open sam password database.\n"));
|
|
return NULL;
|
|
}
|
|
|
|
while ((pwd = getsam21pwent(fp)) != NULL && pwd->smb_userid != uid)
|
|
;
|
|
|
|
if (pwd != NULL)
|
|
{
|
|
DEBUG(10, ("iterate_getsam21pwuid: found by smb_userid: %x\n", uid));
|
|
}
|
|
|
|
endsmbpwent(fp);
|
|
return pwd;
|
|
}
|
|
|
|
/*************************************************************************
|
|
Routine to return a display info structure, by name
|
|
*************************************************************************/
|
|
struct sam_disp_info *getsamdispnam(char *name)
|
|
{
|
|
return pdb_ops->getsamdispnam(name);
|
|
}
|
|
|
|
/*************************************************************************
|
|
Routine to return a display info structure, by rid
|
|
*************************************************************************/
|
|
struct sam_disp_info *getsamdisprid(uint32 rid)
|
|
{
|
|
return pdb_ops->getsamdisprid(rid);
|
|
}
|
|
|
|
/*************************************************************************
|
|
Routine to return the next entry in the sam passwd list.
|
|
*************************************************************************/
|
|
struct sam_disp_info *getsamdispent(void *vp)
|
|
{
|
|
return pdb_ops->getsamdispent(vp);
|
|
}
|
|
|
|
/*************************************************************************
|
|
Routine to return the next entry in the sam passwd list.
|
|
*************************************************************************/
|
|
|
|
struct sam_passwd *getsam21pwent(void *vp)
|
|
{
|
|
return pdb_ops->getsam21pwent(vp);
|
|
}
|
|
|
|
/************************************************************************
|
|
Routine to add an entry to the sam passwd file.
|
|
*************************************************************************/
|
|
|
|
BOOL add_sam21pwd_entry(struct sam_passwd *newpwd)
|
|
{
|
|
return pdb_ops->add_sam21pwd_entry(newpwd);
|
|
}
|
|
|
|
/************************************************************************
|
|
Routine to search the sam passwd database for an entry matching the username.
|
|
and then modify its password entry. We can't use the startsampwent()/
|
|
getsampwent()/endsampwent() interfaces here as we depend on looking
|
|
in the actual file to decide how much room we have to write data.
|
|
override = False, normal
|
|
override = True, override XXXXXXXX'd out password or NO PASS
|
|
************************************************************************/
|
|
|
|
BOOL mod_sam21pwd_entry(struct sam_passwd* pwd, BOOL override)
|
|
{
|
|
return pdb_ops->mod_sam21pwd_entry(pwd, override);
|
|
}
|
|
|
|
|
|
/************************************************************************
|
|
Routine to search sam passwd by name.
|
|
*************************************************************************/
|
|
|
|
struct sam_passwd *getsam21pwnam(char *name)
|
|
{
|
|
return pdb_ops->getsam21pwnam(name);
|
|
}
|
|
|
|
/************************************************************************
|
|
Routine to search sam passwd by rid.
|
|
*************************************************************************/
|
|
|
|
struct sam_passwd *getsam21pwrid(uint32 rid)
|
|
{
|
|
return pdb_ops->getsam21pwrid(rid);
|
|
}
|
|
|
|
/************************************************************************
|
|
Routine to search sam passwd by uid.
|
|
*************************************************************************/
|
|
|
|
struct sam_passwd *getsam21pwuid(uid_t uid)
|
|
{
|
|
return pdb_ops->getsam21pwuid(uid);
|
|
}
|
|
|
|
|
|
|
|
|
|
/**********************************************************
|
|
**********************************************************
|
|
|
|
utility routines which are likely to be useful to all password
|
|
databases
|
|
|
|
**********************************************************
|
|
**********************************************************/
|
|
|
|
/*************************************************************
|
|
initialises a struct sam_disp_info.
|
|
**************************************************************/
|
|
|
|
void pdb_init_dispinfo(struct sam_disp_info *user)
|
|
{
|
|
if (user == NULL) return;
|
|
bzero(user, sizeof(*user));
|
|
}
|
|
|
|
/*************************************************************
|
|
initialises a struct smb_passwd.
|
|
**************************************************************/
|
|
|
|
void pdb_init_smb(struct smb_passwd *user)
|
|
{
|
|
if (user == NULL) return;
|
|
bzero(user, sizeof(*user));
|
|
user->pass_last_set_time = (time_t)-1;
|
|
}
|
|
|
|
/*************************************************************
|
|
initialises a struct sam_passwd.
|
|
**************************************************************/
|
|
void pdb_init_sam(struct sam_passwd *user)
|
|
{
|
|
if (user == NULL) return;
|
|
bzero(user, sizeof(*user));
|
|
user->logon_time = (time_t)-1;
|
|
user->logoff_time = (time_t)-1;
|
|
user->kickoff_time = (time_t)-1;
|
|
user->pass_last_set_time = (time_t)-1;
|
|
user->pass_can_change_time = (time_t)-1;
|
|
user->pass_must_change_time = (time_t)-1;
|
|
}
|
|
|
|
/*************************************************************************
|
|
Routine to return the next entry in the sam passwd list.
|
|
*************************************************************************/
|
|
|
|
struct sam_disp_info *pdb_sam_to_dispinfo(struct sam_passwd *user)
|
|
{
|
|
static struct sam_disp_info disp_info;
|
|
|
|
if (user == NULL) return NULL;
|
|
|
|
pdb_init_dispinfo(&disp_info);
|
|
|
|
disp_info.smb_name = user->smb_name;
|
|
disp_info.full_name = user->full_name;
|
|
disp_info.user_rid = user->user_rid;
|
|
|
|
return &disp_info;
|
|
}
|
|
|
|
/*************************************************************
|
|
converts a sam_passwd structure to a smb_passwd structure.
|
|
**************************************************************/
|
|
|
|
struct smb_passwd *pdb_sam_to_smb(struct sam_passwd *user)
|
|
{
|
|
static struct smb_passwd pw_buf;
|
|
|
|
if (user == NULL) return NULL;
|
|
|
|
pdb_init_smb(&pw_buf);
|
|
|
|
pw_buf.smb_userid = user->smb_userid;
|
|
pw_buf.smb_name = user->smb_name;
|
|
pw_buf.smb_passwd = user->smb_passwd;
|
|
pw_buf.smb_nt_passwd = user->smb_nt_passwd;
|
|
pw_buf.acct_ctrl = user->acct_ctrl;
|
|
pw_buf.pass_last_set_time = user->pass_last_set_time;
|
|
|
|
return &pw_buf;
|
|
}
|
|
|
|
/*************************************************************
|
|
converts a smb_passwd structure to a sam_passwd structure.
|
|
**************************************************************/
|
|
|
|
struct sam_passwd *pdb_smb_to_sam(struct smb_passwd *user)
|
|
{
|
|
static struct sam_passwd pw_buf;
|
|
|
|
if (user == NULL) return NULL;
|
|
|
|
pdb_init_sam(&pw_buf);
|
|
|
|
pw_buf.smb_userid = user->smb_userid;
|
|
pw_buf.smb_name = user->smb_name;
|
|
pw_buf.smb_passwd = user->smb_passwd;
|
|
pw_buf.smb_nt_passwd = user->smb_nt_passwd;
|
|
pw_buf.acct_ctrl = user->acct_ctrl;
|
|
pw_buf.pass_last_set_time = user->pass_last_set_time;
|
|
|
|
return &pw_buf;
|
|
}
|
|
|
|
#if 0
|
|
|
|
COMMENTED OUT UNTIL SOMETHING ACTUALLY USES THEM. JRA.
|
|
|
|
/*******************************************************************
|
|
gets password-database-format time from a string.
|
|
********************************************************************/
|
|
|
|
static time_t get_time_from_string(char *p)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < 8; i++)
|
|
{
|
|
if (p[i] == '\0' || !isxdigit(p[i]))
|
|
break;
|
|
}
|
|
if (i == 8)
|
|
{
|
|
/*
|
|
* p points at 8 characters of hex digits -
|
|
* read into a time_t as the seconds since
|
|
* 1970 that the password was last changed.
|
|
*/
|
|
return (time_t)strtol((char *)p, NULL, 16);
|
|
}
|
|
return (time_t)-1;
|
|
}
|
|
|
|
/*******************************************************************
|
|
gets password last set time
|
|
********************************************************************/
|
|
|
|
time_t pdb_get_last_set_time(char *p)
|
|
{
|
|
if (*p && StrnCaseCmp((char *)p, "LCT-", 4))
|
|
{
|
|
return get_time_from_string(p + 4);
|
|
}
|
|
return (time_t)-1;
|
|
}
|
|
|
|
|
|
/*******************************************************************
|
|
sets password-database-format time in a string.
|
|
********************************************************************/
|
|
|
|
static void set_time_in_string(char *p, int max_len, char *type, time_t t)
|
|
{
|
|
slprintf(p, max_len, ":%s-%08X:", type, (uint32)t);
|
|
}
|
|
|
|
/*******************************************************************
|
|
sets password last set time
|
|
********************************************************************/
|
|
|
|
void pdb_set_last_set_time(char *p, int max_len, time_t t)
|
|
{
|
|
set_time_in_string(p, max_len, "LCT", t);
|
|
}
|
|
|
|
#endif /* 0 */
|
|
|
|
/**********************************************************
|
|
Encode the account control bits into a string.
|
|
**********************************************************/
|
|
|
|
char *pdb_encode_acct_ctrl(uint16 acct_ctrl)
|
|
{
|
|
static fstring acct_str;
|
|
char *p = acct_str;
|
|
|
|
*p++ = '[';
|
|
|
|
if (acct_ctrl & ACB_HOMDIRREQ) *p++ = 'H';
|
|
if (acct_ctrl & ACB_TEMPDUP ) *p++ = 'T';
|
|
if (acct_ctrl & ACB_NORMAL ) *p++ = 'U';
|
|
if (acct_ctrl & ACB_MNS ) *p++ = 'M';
|
|
if (acct_ctrl & ACB_WSTRUST ) *p++ = 'W';
|
|
if (acct_ctrl & ACB_SVRTRUST ) *p++ = 'S';
|
|
if (acct_ctrl & ACB_AUTOLOCK ) *p++ = 'L';
|
|
if (acct_ctrl & ACB_PWNOEXP ) *p++ = 'X';
|
|
if (acct_ctrl & ACB_DOMTRUST ) *p++ = 'I';
|
|
|
|
*p++ = ']';
|
|
*p = '\0';
|
|
return acct_str;
|
|
}
|
|
|
|
/**********************************************************
|
|
Decode the account control bits from a string.
|
|
|
|
this function breaks coding standards minimum line width of 80 chars.
|
|
reason: vertical line-up code clarity - all case statements fit into
|
|
15 lines, which is more important.
|
|
**********************************************************/
|
|
|
|
uint16 pdb_decode_acct_ctrl(char *p)
|
|
{
|
|
uint16 acct_ctrl = 0;
|
|
BOOL finished = False;
|
|
|
|
/*
|
|
* Check if the account type bits have been encoded after the
|
|
* NT password (in the form [NDHTUWSLXI]).
|
|
*/
|
|
|
|
if (*p != '[') return 0;
|
|
|
|
for (p++; *p && !finished; p++)
|
|
{
|
|
switch (*p)
|
|
{
|
|
#if 0
|
|
/*
|
|
* Hmmm. Don't allow these to be set/read independently
|
|
* of the actual password fields. We don't want a mismatch.
|
|
* JRA.
|
|
*/
|
|
case 'N': { acct_ctrl |= ACB_PWNOTREQ ; break; /* 'N'o password. */ }
|
|
case 'D': { acct_ctrl |= ACB_DISABLED ; break; /* 'D'isabled. */ }
|
|
#endif
|
|
case 'H': { acct_ctrl |= ACB_HOMDIRREQ; break; /* 'H'omedir required. */ }
|
|
case 'T': { acct_ctrl |= ACB_TEMPDUP ; break; /* 'T'emp account. */ }
|
|
case 'U': { acct_ctrl |= ACB_NORMAL ; break; /* 'U'ser account (normal). */ }
|
|
case 'M': { acct_ctrl |= ACB_MNS ; break; /* 'M'NS logon user account. What is this ? */ }
|
|
case 'W': { acct_ctrl |= ACB_WSTRUST ; break; /* 'W'orkstation account. */ }
|
|
case 'S': { acct_ctrl |= ACB_SVRTRUST ; break; /* 'S'erver account. */ }
|
|
case 'L': { acct_ctrl |= ACB_AUTOLOCK ; break; /* 'L'ocked account. */ }
|
|
case 'X': { acct_ctrl |= ACB_PWNOEXP ; break; /* No 'X'piry on password */ }
|
|
case 'I': { acct_ctrl |= ACB_DOMTRUST ; break; /* 'I'nterdomain trust account. */ }
|
|
|
|
case ':':
|
|
case '\n':
|
|
case '\0':
|
|
case ']':
|
|
default: { finished = True; }
|
|
}
|
|
}
|
|
|
|
return acct_ctrl;
|
|
}
|
|
|
|
/*************************************************************
|
|
Routine to get the 32 hex characters and turn them
|
|
into a 16 byte array.
|
|
**************************************************************/
|
|
BOOL pdb_gethexpwd(char *p, char *pwd)
|
|
{
|
|
int i;
|
|
unsigned char lonybble, hinybble;
|
|
char *hexchars = "0123456789ABCDEF";
|
|
char *p1, *p2;
|
|
|
|
for (i = 0; i < 32; i += 2)
|
|
{
|
|
hinybble = toupper(p[i]);
|
|
lonybble = toupper(p[i + 1]);
|
|
|
|
p1 = strchr(hexchars, hinybble);
|
|
p2 = strchr(hexchars, lonybble);
|
|
|
|
if (!p1 || !p2)
|
|
{
|
|
return (False);
|
|
}
|
|
|
|
hinybble = PTR_DIFF(p1, hexchars);
|
|
lonybble = PTR_DIFF(p2, hexchars);
|
|
|
|
pwd[i / 2] = (hinybble << 4) | lonybble;
|
|
}
|
|
return (True);
|
|
}
|
|
|
|
/*************************************************************
|
|
Routine to set 32 hex password characters from a 16 byte array.
|
|
**************************************************************/
|
|
void pdb_sethexpwd(char *p, char *pwd, uint16 acct_ctrl)
|
|
{
|
|
if (pwd != NULL)
|
|
{
|
|
int i;
|
|
for (i = 0; i < 16; i++)
|
|
{
|
|
slprintf(&p[i*2], 33, "%02X", pwd[i]);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (IS_BITS_SET_ALL(acct_ctrl, ACB_PWNOTREQ))
|
|
{
|
|
safe_strcpy(p, "NO PASSWORDXXXXXXXXXXXXXXXXXXXXX", 33);
|
|
}
|
|
else
|
|
{
|
|
safe_strcpy(p, "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX", 33);
|
|
}
|
|
}
|
|
}
|
|
|
|
/*******************************************************************
|
|
Group and User RID username mapping function
|
|
********************************************************************/
|
|
|
|
BOOL pdb_name_to_rid(char *user_name, uint32 *u_rid, uint32 *g_rid)
|
|
{
|
|
struct passwd *pw = Get_Pwnam(user_name, False);
|
|
|
|
if (u_rid == NULL || g_rid == NULL || user_name == NULL)
|
|
{
|
|
return False;
|
|
}
|
|
|
|
if (!pw)
|
|
{
|
|
DEBUG(1,("Username %s is invalid on this system\n", user_name));
|
|
return False;
|
|
}
|
|
|
|
if (user_in_list(user_name, lp_domain_guest_users()))
|
|
{
|
|
*u_rid = DOMAIN_USER_RID_GUEST;
|
|
}
|
|
else if (user_in_list(user_name, lp_domain_admin_users()))
|
|
{
|
|
*u_rid = DOMAIN_USER_RID_ADMIN;
|
|
}
|
|
else
|
|
{
|
|
/* turn the unix UID into a Domain RID. this is what the posix
|
|
sub-system does (adds 1000 to the uid) */
|
|
*u_rid = pdb_uid_to_user_rid(pw->pw_uid);
|
|
}
|
|
|
|
/* absolutely no idea what to do about the unix GID to Domain RID mapping */
|
|
*g_rid = pdb_gid_to_group_rid(pw->pw_gid);
|
|
|
|
return True;
|
|
}
|
|
|
|
/****************************************************************************
|
|
Read the machine SID from a file.
|
|
****************************************************************************/
|
|
|
|
static BOOL read_sid_from_file(int fd, char *sid_file)
|
|
{
|
|
fstring fline;
|
|
|
|
if(read(fd, fline, sizeof(fline) -1 ) < 0) {
|
|
DEBUG(0,("read_sid_from_file: unable to read file %s. Error was %s\n",
|
|
sid_file, strerror(errno) ));
|
|
return False;
|
|
}
|
|
|
|
/*
|
|
* Convert to the machine SID.
|
|
*/
|
|
|
|
fline[sizeof(fline)-1] = '\0';
|
|
if(!string_to_sid( &global_machine_sid, fline)) {
|
|
DEBUG(0,("read_sid_from_file: unable to generate machine SID.\n"));
|
|
return False;
|
|
}
|
|
|
|
return True;
|
|
}
|
|
|
|
/****************************************************************************
|
|
Generate the global machine sid. Look for the MACHINE.SID file first, if
|
|
not found then look in smb.conf and use it to create the MACHINE.SID file.
|
|
****************************************************************************/
|
|
|
|
BOOL pdb_generate_machine_sid(void)
|
|
{
|
|
int fd;
|
|
char *p;
|
|
pstring sid_file;
|
|
fstring sid_string;
|
|
struct stat st;
|
|
uchar raw_sid_data[12];
|
|
|
|
pstrcpy(sid_file, lp_smb_passwd_file());
|
|
p = strrchr(sid_file, '/');
|
|
if(p != NULL)
|
|
*++p = '\0';
|
|
|
|
pstrcat(sid_file, "MACHINE.SID");
|
|
|
|
if((fd = open( sid_file, O_RDWR | O_CREAT, 0644)) < 0 ) {
|
|
DEBUG(0,("generate_machine_sid: unable to open or create file %s. Error was %s\n",
|
|
sid_file, strerror(errno) ));
|
|
return False;
|
|
}
|
|
|
|
/*
|
|
* Check if the file contains data.
|
|
*/
|
|
|
|
if(fstat( fd, &st) < 0) {
|
|
DEBUG(0,("generate_machine_sid: 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 - read it.
|
|
*/
|
|
if(!read_sid_from_file( fd, sid_file)) {
|
|
DEBUG(0,("generate_machine_sid: unable to read file %s. Error was %s\n",
|
|
sid_file, strerror(errno) ));
|
|
close(fd);
|
|
return False;
|
|
}
|
|
close(fd);
|
|
return True;
|
|
}
|
|
|
|
/*
|
|
* The file contains no data - we may need to generate our
|
|
* own sid. Try the lp_domain_sid() first.
|
|
*/
|
|
|
|
if(*lp_domain_sid())
|
|
fstrcpy( sid_string, lp_domain_sid());
|
|
else {
|
|
/*
|
|
* Generate the new sid data & turn it into a string.
|
|
*/
|
|
int i;
|
|
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( &global_machine_sid, sid_string)) {
|
|
DEBUG(0,("generate_machine_sid: unable to generate machine SID.\n"));
|
|
return False;
|
|
}
|
|
|
|
/*
|
|
* Do an exclusive blocking lock on the file.
|
|
*/
|
|
|
|
if(!do_file_lock( fd, 60, F_WRLCK)) {
|
|
DEBUG(0,("generate_machine_sid: 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(fstat( fd, &st) < 0) {
|
|
DEBUG(0,("generate_machine_sid: 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 - read it.
|
|
*/
|
|
|
|
if(!read_sid_from_file( fd, sid_file)) {
|
|
DEBUG(0,("generate_machine_sid: unable to read file %s. Error was %s\n",
|
|
sid_file, strerror(errno) ));
|
|
close(fd);
|
|
return False;
|
|
}
|
|
close(fd);
|
|
return True;
|
|
}
|
|
|
|
/*
|
|
* 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,("generate_machine_sid: 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,("generate_machine_sid: 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;
|
|
}
|
|
|
|
/*******************************************************************
|
|
converts NT User RID to a UNIX uid.
|
|
********************************************************************/
|
|
|
|
uid_t pdb_user_rid_to_uid(uint32 u_rid)
|
|
{
|
|
return (uid_t)(u_rid - 1000);
|
|
}
|
|
|
|
/*******************************************************************
|
|
converts NT Group RID to a UNIX uid.
|
|
********************************************************************/
|
|
|
|
gid_t pdb_group_rid_to_gid(uint32 g_rid)
|
|
{
|
|
return (gid_t)(g_rid - 1000);
|
|
}
|
|
|
|
/*******************************************************************
|
|
converts UNIX uid to an NT User RID.
|
|
********************************************************************/
|
|
|
|
uint32 pdb_uid_to_user_rid(uid_t uid)
|
|
{
|
|
return (uint32)(uid + 1000);
|
|
}
|
|
|
|
/*******************************************************************
|
|
converts NT Group RID to a UNIX uid.
|
|
********************************************************************/
|
|
|
|
uint32 pdb_gid_to_group_rid(gid_t gid)
|
|
{
|
|
return (uint32)(gid + 1000);
|
|
}
|
|
|
|
/*******************************************************************
|
|
Decides if a RID is a user or group RID.
|
|
********************************************************************/
|
|
|
|
BOOL pdb_rid_is_user(uint32 rid)
|
|
{
|
|
/* Punt for now - we need to look at the encoding here. JRA. */
|
|
/* lkcl i understand that NT attaches an enumeration to a RID
|
|
* such that it can be identified as either a user, group etc
|
|
* type. there are 5 such categories, and they are documented.
|
|
*/
|
|
return True;
|
|
}
|
|
|