diff options
Diffstat (limited to 'gnu/libexec/uucp/libuuconf/callin.c')
| -rw-r--r-- | gnu/libexec/uucp/libuuconf/callin.c | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/gnu/libexec/uucp/libuuconf/callin.c b/gnu/libexec/uucp/libuuconf/callin.c new file mode 100644 index 000000000000..94c6130d4972 --- /dev/null +++ b/gnu/libexec/uucp/libuuconf/callin.c @@ -0,0 +1,142 @@ +/* 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 1993/08/05 18:25:04 conklin 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; +} |