143 lines
3.8 KiB
C
143 lines
3.8 KiB
C
/* callin.c
|
||
Check a login name and password against the UUCP password file.
|
||
|
||
Copyright (C) 1992 Ian Lance Taylor
|
||
|
||
This file is part of the Taylor UUCP uuconf library.
|
||
|
||
This library is free software; you can redistribute it and/or
|
||
modify it under the terms of the GNU Library General Public License
|
||
as published by the Free Software Foundation; either version 2 of
|
||
the License, or (at your option) any later version.
|
||
|
||
This library 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
|
||
Library General Public License for more details.
|
||
|
||
You should have received a copy of the GNU Library General Public
|
||
License along with this library; if not, write to the Free Software
|
||
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
||
|
||
The author of the program may be contacted at ian@airs.com or
|
||
c/o Infinity Development Systems, P.O. Box 520, Waltham, MA 02254.
|
||
*/
|
||
|
||
#include "uucnfi.h"
|
||
|
||
#if USE_RCS_ID
|
||
const char _uuconf_callin_rcsid[] = "$Id: callin.c,v 1.1 1993/08/04 19:33:42 jtc Exp $";
|
||
#endif
|
||
|
||
#include <errno.h>
|
||
|
||
static int iplogin P((pointer pglobal, int argc, char **argv,
|
||
pointer pvar, pointer pinfo));
|
||
|
||
/* Check a login name and password against the UUCP password file.
|
||
This looks at the Taylor UUCP password file, but will work even if
|
||
uuconf_taylor_init was not called. */
|
||
|
||
int
|
||
uuconf_callin (pglobal, zlogin, zpassword)
|
||
pointer pglobal;
|
||
const char *zlogin;
|
||
const char *zpassword;
|
||
{
|
||
struct sglobal *qglobal = (struct sglobal *) pglobal;
|
||
int iret;
|
||
char **pz;
|
||
struct uuconf_cmdtab as[2];
|
||
char *zfilepass;
|
||
|
||
/* If we have no password file names, fill in the default name. */
|
||
if (qglobal->qprocess->pzpwdfiles == NULL)
|
||
{
|
||
char ab[sizeof NEWCONFIGLIB + sizeof PASSWDFILE - 1];
|
||
|
||
memcpy ((pointer) ab, (pointer) NEWCONFIGLIB,
|
||
sizeof NEWCONFIGLIB - 1);
|
||
memcpy ((pointer) (ab + sizeof NEWCONFIGLIB - 1), (pointer) PASSWDFILE,
|
||
sizeof PASSWDFILE);
|
||
iret = _uuconf_iadd_string (qglobal, ab, TRUE, FALSE,
|
||
&qglobal->qprocess->pzpwdfiles,
|
||
qglobal->pblock);
|
||
if (iret != UUCONF_SUCCESS)
|
||
return iret;
|
||
}
|
||
|
||
as[0].uuconf_zcmd = zlogin;
|
||
as[0].uuconf_itype = UUCONF_CMDTABTYPE_FN | 2;
|
||
as[0].uuconf_pvar = (pointer) &zfilepass;
|
||
as[0].uuconf_pifn = iplogin;
|
||
|
||
as[1].uuconf_zcmd = NULL;
|
||
|
||
zfilepass = NULL;
|
||
|
||
iret = UUCONF_SUCCESS;
|
||
|
||
for (pz = qglobal->qprocess->pzpwdfiles; *pz != NULL; pz++)
|
||
{
|
||
FILE *e;
|
||
|
||
e = fopen (*pz, "r");
|
||
if (e == NULL)
|
||
{
|
||
if (FNO_SUCH_FILE ())
|
||
continue;
|
||
qglobal->ierrno = errno;
|
||
iret = UUCONF_FOPEN_FAILED | UUCONF_ERROR_ERRNO;
|
||
break;
|
||
}
|
||
|
||
iret = uuconf_cmd_file (pglobal, e, as, (pointer) NULL,
|
||
(uuconf_cmdtabfn) NULL,
|
||
UUCONF_CMDTABFLAG_CASE, (pointer) NULL);
|
||
(void) fclose (e);
|
||
|
||
if (iret != UUCONF_SUCCESS || zfilepass != NULL)
|
||
break;
|
||
}
|
||
|
||
if (iret != UUCONF_SUCCESS)
|
||
{
|
||
qglobal->zfilename = *pz;
|
||
iret |= UUCONF_ERROR_FILENAME;
|
||
}
|
||
else if (zfilepass == NULL
|
||
|| strcmp (zfilepass, zpassword) != 0)
|
||
iret = UUCONF_NOT_FOUND;
|
||
|
||
if (zfilepass != NULL)
|
||
free ((pointer) zfilepass);
|
||
|
||
return iret;
|
||
}
|
||
|
||
/* This is called if it is the name we are looking for. The pvar
|
||
argument points to zfilepass, and we set it to the password. */
|
||
|
||
static int
|
||
iplogin (pglobal, argc, argv, pvar, pinfo)
|
||
pointer pglobal;
|
||
int argc;
|
||
char **argv;
|
||
pointer pvar;
|
||
pointer pinfo;
|
||
{
|
||
struct sglobal *qglobal = (struct sglobal *) pglobal;
|
||
char **pzpass = (char **) pvar;
|
||
|
||
*pzpass = strdup (argv[1]);
|
||
if (*pzpass == NULL)
|
||
{
|
||
qglobal->ierrno = errno;
|
||
return (UUCONF_MALLOC_FAILED
|
||
| UUCONF_ERROR_ERRNO
|
||
| UUCONF_CMDTABRET_EXIT);
|
||
}
|
||
|
||
return UUCONF_CMDTABRET_EXIT;
|
||
}
|