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/*
* Unix SMB/Netbios implementation. Version 1.9. SMB parameters and setup
* Copyright (C) Andrew Tridgell 1992-1998 Modified by Jeremy Allison 1995.
*
* 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"
#ifdef USE_SMBPASS_DB
static int grp_file_lock_depth = 0;
extern int DEBUGLEVEL;
/***************************************************************
Start to enumerate the smbpasswd list. Returns a void pointer
to ensure no modification outside this module.
****************************************************************/
static void *startsmbfilegrpent(BOOL update)
{
static char s_readbuf[1024];
return startfilepwent(lp_smb_passgrp_file(), s_readbuf, sizeof(s_readbuf),
&grp_file_lock_depth, update);
}
/***************************************************************
End enumeration of the smbpasswd list.
****************************************************************/
static void endsmbfilegrpent(void *vp)
{
endfilepwent(vp, &grp_file_lock_depth);
}
/*************************************************************************
Return the current position in the smbpasswd list as an SMB_BIG_UINT.
This must be treated as an opaque token.
*************************************************************************/
static SMB_BIG_UINT getsmbfilegrppos(void *vp)
{
return getfilepwpos(vp);
}
/*************************************************************************
Set the current position in the smbpasswd list from an SMB_BIG_UINT.
This must be treated as an opaque token.
*************************************************************************/
static BOOL setsmbfilegrppos(void *vp, SMB_BIG_UINT tok)
{
return setfilepwpos(vp, tok);
}
/*************************************************************************
Routine to return the next entry in the smbpasswd list.
*************************************************************************/
static struct smb_passwd *getsmbfilegrpent(void *vp,
uint32 **grp_rids, int *num_grps,
uint32 **als_rids, int *num_alss)
{
/* Static buffers we will return. */
static struct smb_passwd pw_buf;
static pstring user_name;
struct passwd *pwfile;
pstring linebuf;
unsigned char *p;
int uidval;
size_t linebuf_len;
if (vp == NULL)
{
DEBUG(0,("getsmbfilegrpent: Bad password file pointer.\n"));
return NULL;
}
pwdb_init_smb(&pw_buf);
/*
* Scan the file, a line at a time.
*/
while ((linebuf_len = getfileline(vp, linebuf, sizeof(linebuf))) > 0)
{
/*
* The line we have should be of the form :-
*
* username:uid:domainrid1,domainrid2..:aliasrid1,aliasrid2..:
*/
/*
* As 256 is shorter than a pstring we don't need to check
* length here - if this ever changes....
*/
p = strncpyn(user_name, linebuf, sizeof(user_name), ':');
/* Go past ':' */
p++;
/* Get smb uid. */
p = Atoic((char *) p, &uidval, ":");
pw_buf.smb_name = user_name;
pw_buf.smb_userid = uidval;
/*
* Now get the password value - this should be 32 hex digits
* which are the ascii representations of a 16 byte string.
* Get two at a time and put them into the password.
*/
/* Skip the ':' */
p++;
if (grp_rids != NULL && num_grps != NULL)
{
int i;
p = get_numlist(p, grp_rids, num_grps);
if (p == NULL)
{
DEBUG(0,("getsmbfilegrpent: invalid line\n"));
return NULL;
}
for (i = 0; i < (*num_grps); i++)
{
(*grp_rids)[i] = pwdb_gid_to_group_rid((*grp_rids)[i]);
}
}
/* Skip the ':' */
p++;
if (als_rids != NULL && num_alss != NULL)
{
int i;
p = get_numlist(p, als_rids, num_alss);
if (p == NULL)
{
DEBUG(0,("getsmbfilegrpent: invalid line\n"));
return NULL;
}
for (i = 0; i < (*num_alss); i++)
{
(*als_rids)[i] = pwdb_gid_to_alias_rid((*als_rids)[i]);
}
}
pwfile = Get_Pwnam(pw_buf.smb_name, False);
if (pwfile == NULL)
{
DEBUG(0,("getsmbfilegrpent: smbpasswd database is corrupt!\n"));
DEBUG(0,("getsmbfilegrpent: username %s not in unix passwd database!\n", pw_buf.smb_name));
return NULL;
}
return &pw_buf;
}
DEBUG(5,("getsmbfilegrpent: end of file reached.\n"));
return NULL;
}
static struct passgrp_ops file_ops =
{
startsmbfilegrpent,
endsmbfilegrpent,
getsmbfilegrppos,
setsmbfilegrppos,
iterate_getsmbgrpnam, /* In passgrp.c */
iterate_getsmbgrpuid, /* In passgrp.c */
iterate_getsmbgrprid, /* In passgrp.c */
getsmbfilegrpent,
};
struct passgrp_ops *file_initialise_password_grp(void)
{
return &file_ops;
}
#else
/* Do *NOT* make this function static. It breaks the compile on gcc. JRA */
void smbpass_dummy_function(void) { } /* stop some compilers complaining */
#endif /* USE_SMBPASS_DB */
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