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Annotation of coherent/g/usr/lib/uucp/tay104/uuconf/callin.c, revision 1.1

1.1     ! root        1: /* callin.c
        !             2:    Check a login name and password against the UUCP password file.
        !             3: 
        !             4:    Copyright (C) 1992 Ian Lance Taylor
        !             5: 
        !             6:    This file is part of the Taylor UUCP uuconf library.
        !             7: 
        !             8:    This library is free software; you can redistribute it and/or
        !             9:    modify it under the terms of the GNU Library General Public License
        !            10:    as published by the Free Software Foundation; either version 2 of
        !            11:    the License, or (at your option) any later version.
        !            12: 
        !            13:    This library is distributed in the hope that it will be useful, but
        !            14:    WITHOUT ANY WARRANTY; without even the implied warranty of
        !            15:    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
        !            16:    Library General Public License for more details.
        !            17: 
        !            18:    You should have received a copy of the GNU Library General Public
        !            19:    License along with this library; if not, write to the Free Software
        !            20:    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
        !            21: 
        !            22:    The author of the program may be contacted at [email protected] or
        !            23:    c/o Infinity Development Systems, P.O. Box 520, Waltham, MA 02254.
        !            24:    */
        !            25: 
        !            26: #include "uucnfi.h"
        !            27: 
        !            28: #if USE_RCS_ID
        !            29: const char _uuconf_callin_rcsid[] = "$Id: callin.c,v 1.1 93/07/30 08:07:02 bin Exp Locker: bin $";
        !            30: #endif
        !            31: 
        !            32: #include <errno.h>
        !            33: 
        !            34: static int iplogin P((pointer pglobal, int argc, char **argv,
        !            35:                      pointer pvar, pointer pinfo));
        !            36: 
        !            37: /* Check a login name and password against the UUCP password file.
        !            38:    This looks at the Taylor UUCP password file, but will work even if
        !            39:    uuconf_taylor_init was not called.  */
        !            40: 
        !            41: int
        !            42: uuconf_callin (pglobal, zlogin, zpassword)
        !            43:      pointer pglobal;
        !            44:      const char *zlogin;
        !            45:      const char *zpassword;
        !            46: {
        !            47:   struct sglobal *qglobal = (struct sglobal *) pglobal;
        !            48:   int iret;
        !            49:   char **pz;
        !            50:   struct uuconf_cmdtab as[2];
        !            51:   char *zfilepass;
        !            52: 
        !            53:   /* If we have no password file names, fill in the default name.  */
        !            54:   if (qglobal->qprocess->pzpwdfiles == NULL)
        !            55:     {
        !            56:       char ab[sizeof NEWCONFIGLIB + sizeof PASSWDFILE - 1];
        !            57: 
        !            58:       memcpy ((pointer) ab, (pointer) NEWCONFIGLIB,
        !            59:              sizeof NEWCONFIGLIB - 1);
        !            60:       memcpy ((pointer) (ab + sizeof NEWCONFIGLIB - 1), (pointer) PASSWDFILE,
        !            61:              sizeof PASSWDFILE);
        !            62:       iret = _uuconf_iadd_string (qglobal, ab, TRUE, FALSE,
        !            63:                                  &qglobal->qprocess->pzpwdfiles,
        !            64:                                  qglobal->pblock);
        !            65:       if (iret != UUCONF_SUCCESS)
        !            66:        return iret;
        !            67:     }
        !            68: 
        !            69:   as[0].uuconf_zcmd = zlogin;
        !            70:   as[0].uuconf_itype = UUCONF_CMDTABTYPE_FN | 2;
        !            71:   as[0].uuconf_pvar = (pointer) &zfilepass;
        !            72:   as[0].uuconf_pifn = iplogin;
        !            73: 
        !            74:   as[1].uuconf_zcmd = NULL;
        !            75: 
        !            76:   zfilepass = NULL;
        !            77: 
        !            78:   iret = UUCONF_SUCCESS;
        !            79: 
        !            80:   for (pz = qglobal->qprocess->pzpwdfiles; *pz != NULL; pz++)
        !            81:     {
        !            82:       FILE *e;
        !            83: 
        !            84:       e = fopen (*pz, "r");
        !            85:       if (e == NULL)
        !            86:        {
        !            87:          if (FNO_SUCH_FILE ())
        !            88:            continue;
        !            89:          qglobal->ierrno = errno;
        !            90:          iret = UUCONF_FOPEN_FAILED | UUCONF_ERROR_ERRNO;
        !            91:          break;
        !            92:        }
        !            93: 
        !            94:       iret = uuconf_cmd_file (pglobal, e, as, (pointer) NULL,
        !            95:                              (uuconf_cmdtabfn) NULL,
        !            96:                              UUCONF_CMDTABFLAG_CASE, (pointer) NULL);
        !            97:       (void) fclose (e);
        !            98: 
        !            99:       if (iret != UUCONF_SUCCESS || zfilepass != NULL)
        !           100:        break;
        !           101:     }
        !           102: 
        !           103:   if (iret != UUCONF_SUCCESS)
        !           104:     {
        !           105:       qglobal->zfilename = *pz;
        !           106:       iret |= UUCONF_ERROR_FILENAME;
        !           107:     }
        !           108:   else if (zfilepass == NULL
        !           109:           || strcmp (zfilepass, zpassword) != 0)
        !           110:     iret = UUCONF_NOT_FOUND;
        !           111: 
        !           112:   if (zfilepass != NULL)
        !           113:     free ((pointer) zfilepass);
        !           114: 
        !           115:   return iret;
        !           116: }
        !           117: 
        !           118: /* This is called if it is the name we are looking for.  The pvar
        !           119:    argument points to zfilepass, and we set it to the password.  */
        !           120: 
        !           121: static int
        !           122: iplogin (pglobal, argc, argv, pvar, pinfo)
        !           123:      pointer pglobal;
        !           124:      int argc;
        !           125:      char **argv;
        !           126:      pointer pvar;
        !           127:      pointer pinfo;
        !           128: {
        !           129:   struct sglobal *qglobal = (struct sglobal *) pglobal;
        !           130:   char **pzpass = (char **) pvar;
        !           131: 
        !           132:   *pzpass = strdup (argv[1]);
        !           133:   if (*pzpass == NULL)
        !           134:     {
        !           135:       qglobal->ierrno = errno;
        !           136:       return (UUCONF_MALLOC_FAILED
        !           137:              | UUCONF_ERROR_ERRNO
        !           138:              | UUCONF_CMDTABRET_EXIT);
        !           139:     }
        !           140: 
        !           141:   return UUCONF_CMDTABRET_EXIT;
        !           142: }

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