371 lines
10 KiB
C
371 lines
10 KiB
C
/* tinit.c
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Initialize for reading Taylor UUCP configuration files.
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Copyright (C) 1992 Ian Lance Taylor
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This file is part of the Taylor UUCP uuconf library.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License
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as published by the Free Software Foundation; either version 2 of
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the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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The author of the program may be contacted at ian@airs.com or
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c/o Infinity Development Systems, P.O. Box 520, Waltham, MA 02254.
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*/
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#include "uucnfi.h"
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#if USE_RCS_ID
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const char _uuconf_tinit_rcsid[] = "$Id: tinit.c,v 1.1 1993/08/04 19:35:14 jtc Exp $";
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#endif
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#include <errno.h>
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/* Local functions. */
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static int itset_default P((struct sglobal *qglobal, char ***ppzvar,
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const char *zfile));
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static int itadd P((pointer pglobal, int argc, char **argv, pointer pvar,
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pointer pinfo));
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static int itunknown P((pointer pglobal, int argc, char **argv, pointer pvar,
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pointer pinfo));
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static int itprogram P((pointer pglobal, int argc, char **argv, pointer pvar,
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pointer pinfo));
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static const struct cmdtab_offset asCmds[] =
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{
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{ "nodename", UUCONF_CMDTABTYPE_STRING,
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offsetof (struct sprocess, zlocalname), NULL },
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{ "hostname", UUCONF_CMDTABTYPE_STRING,
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offsetof (struct sprocess, zlocalname), NULL },
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{ "uuname", UUCONF_CMDTABTYPE_STRING,
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offsetof (struct sprocess, zlocalname), NULL },
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{ "spool", UUCONF_CMDTABTYPE_STRING,
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offsetof (struct sprocess, zspooldir), NULL },
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{ "pubdir", UUCONF_CMDTABTYPE_STRING,
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offsetof (struct sprocess, zpubdir), NULL },
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{ "lockdir", UUCONF_CMDTABTYPE_STRING,
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offsetof (struct sprocess, zlockdir), NULL },
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{ "logfile", UUCONF_CMDTABTYPE_STRING,
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offsetof (struct sprocess, zlogfile), NULL },
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{ "statfile", UUCONF_CMDTABTYPE_STRING,
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offsetof (struct sprocess, zstatsfile), NULL },
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{ "debugfile", UUCONF_CMDTABTYPE_STRING,
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offsetof (struct sprocess, zdebugfile), NULL },
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{ "debug", UUCONF_CMDTABTYPE_STRING,
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offsetof (struct sprocess, zdebug), NULL },
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{ "max-uuxqts", UUCONF_CMDTABTYPE_INT,
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offsetof (struct sprocess, cmaxuuxqts), NULL },
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{ "sysfile", UUCONF_CMDTABTYPE_FN | 0,
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offsetof (struct sprocess, pzsysfiles), itadd },
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{ "portfile", UUCONF_CMDTABTYPE_FN | 0,
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offsetof (struct sprocess, pzportfiles), itadd },
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{ "dialfile", UUCONF_CMDTABTYPE_FN | 0,
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offsetof (struct sprocess, pzdialfiles), itadd },
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{ "dialcodefile", UUCONF_CMDTABTYPE_FN | 0,
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offsetof (struct sprocess, pzdialcodefiles), itadd },
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{ "callfile", UUCONF_CMDTABTYPE_FN | 0,
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offsetof (struct sprocess, pzcallfiles), itadd },
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{ "passwdfile", UUCONF_CMDTABTYPE_FN | 0,
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offsetof (struct sprocess, pzpwdfiles), itadd },
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{ "unknown", UUCONF_CMDTABTYPE_FN, offsetof (struct sprocess, qunknown),
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itunknown },
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{ "v2-files", UUCONF_CMDTABTYPE_BOOLEAN,
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offsetof (struct sprocess, fv2), NULL },
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{ "hdb-files", UUCONF_CMDTABTYPE_BOOLEAN,
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offsetof (struct sprocess, fhdb), NULL },
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{ "bnu-files", UUCONF_CMDTABTYPE_BOOLEAN,
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offsetof (struct sprocess, fhdb), NULL },
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{ "timetable", UUCONF_CMDTABTYPE_FN | 3,
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offsetof (struct sprocess, pztimetables), _uuconf_itimetable },
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{ NULL, 0, 0, NULL }
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};
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#define CCMDS (sizeof asCmds / sizeof asCmds[0])
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/* This structure is used to pass information into the command table
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functions. */
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struct sinfo
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{
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/* The program name. */
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const char *zname;
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/* A pointer to the command table being used, passed to isystem so
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it can call uuconf_cmd_args. */
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struct uuconf_cmdtab *qcmds;
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};
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/* Initialize the routines which read the Taylor UUCP configuration
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files. */
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int
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uuconf_taylor_init (ppglobal, zprogram, zname)
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pointer *ppglobal;
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const char *zprogram;
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const char *zname;
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{
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struct sglobal **pqglobal = (struct sglobal **) ppglobal;
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int iret;
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char *zcopy;
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struct sglobal *qglobal;
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boolean fdefault;
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FILE *e;
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struct sinfo si;
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if (*pqglobal == NULL)
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{
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iret = _uuconf_iinit_global (pqglobal);
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if (iret != UUCONF_SUCCESS)
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return iret;
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}
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qglobal = *pqglobal;
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if (zname != NULL)
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{
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size_t csize;
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csize = strlen (zname) + 1;
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zcopy = uuconf_malloc (qglobal->pblock, csize);
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if (zcopy == NULL)
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{
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qglobal->ierrno = errno;
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return UUCONF_MALLOC_FAILED | UUCONF_ERROR_ERRNO;
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}
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memcpy ((pointer) zcopy, (pointer) zname, csize);
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fdefault = FALSE;
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}
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else
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{
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zcopy = uuconf_malloc (qglobal->pblock,
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sizeof NEWCONFIGLIB + sizeof CONFIGFILE - 1);
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if (zcopy == NULL)
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{
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qglobal->ierrno = errno;
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return UUCONF_MALLOC_FAILED | UUCONF_ERROR_ERRNO;
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}
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memcpy ((pointer) zcopy, (pointer) NEWCONFIGLIB,
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sizeof NEWCONFIGLIB - 1);
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memcpy ((pointer) (zcopy + sizeof NEWCONFIGLIB - 1),
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(pointer) CONFIGFILE, sizeof CONFIGFILE);
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fdefault = TRUE;
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}
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qglobal->qprocess->zconfigfile = zcopy;
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e = fopen (zcopy, "r");
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if (e == NULL)
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{
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if (! fdefault)
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{
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qglobal->ierrno = errno;
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qglobal->zfilename = zcopy;
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return (UUCONF_FOPEN_FAILED
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| UUCONF_ERROR_ERRNO
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| UUCONF_ERROR_FILENAME);
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}
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/* There is no config file, so just use the default values. */
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}
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else
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{
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struct uuconf_cmdtab as[CCMDS];
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_uuconf_ucmdtab_base (asCmds, CCMDS, (char *) qglobal->qprocess,
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as);
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if (zprogram == NULL)
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zprogram = "uucp";
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si.zname = zprogram;
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si.qcmds = as;
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iret = uuconf_cmd_file (qglobal, e, as, (pointer) &si, itprogram,
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UUCONF_CMDTABFLAG_BACKSLASH,
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qglobal->pblock);
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(void) fclose (e);
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if (iret != UUCONF_SUCCESS)
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{
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qglobal->zfilename = zcopy;
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return iret | UUCONF_ERROR_FILENAME;
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}
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}
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/* Get the defaults for the file names. */
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iret = itset_default (qglobal, &qglobal->qprocess->pzsysfiles, SYSFILE);
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if (iret != UUCONF_SUCCESS)
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return iret;
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iret = itset_default (qglobal, &qglobal->qprocess->pzportfiles, PORTFILE);
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if (iret != UUCONF_SUCCESS)
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return iret;
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iret = itset_default (qglobal, &qglobal->qprocess->pzdialfiles, DIALFILE);
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if (iret != UUCONF_SUCCESS)
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return iret;
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iret = itset_default (qglobal, &qglobal->qprocess->pzdialcodefiles,
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DIALCODEFILE);
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if (iret != UUCONF_SUCCESS)
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return iret;
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iret = itset_default (qglobal, &qglobal->qprocess->pzpwdfiles, PASSWDFILE);
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if (iret != UUCONF_SUCCESS)
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return iret;
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iret = itset_default (qglobal, &qglobal->qprocess->pzcallfiles, CALLFILE);
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if (iret != UUCONF_SUCCESS)
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return iret;
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return UUCONF_SUCCESS;
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}
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/* Add new strings to a variable. */
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/*ARGSUSED*/
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static int
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itadd (pglobal, argc, argv, pvar, pinfo)
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pointer pglobal;
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int argc;
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char **argv;
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pointer pvar;
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pointer pinfo;
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{
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struct sglobal *qglobal = (struct sglobal *) pglobal;
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char ***ppz = (char ***) pvar;
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int i;
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int iret;
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if (argc == 1)
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{
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iret = _uuconf_iadd_string (qglobal, NULL, FALSE, FALSE, ppz,
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qglobal->pblock);
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if (iret != UUCONF_SUCCESS)
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return iret;
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}
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else
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{
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for (i = 1; i < argc; i++)
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{
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iret = _uuconf_iadd_string (qglobal, argv[i], TRUE, FALSE, ppz,
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qglobal->pblock);
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if (iret != UUCONF_SUCCESS)
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return iret;
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}
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}
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return UUCONF_CMDTABRET_CONTINUE;
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}
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/* Handle an "unknown" command. We accumulate this into a linked
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list, and only parse them later in uuconf_unknown_system_info. */
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/*ARGSUSED*/
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static int
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itunknown (pglobal, argc, argv, pvar, pinfo)
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pointer pglobal;
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int argc;
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char **argv;
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pointer pvar;
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pointer pinfo;
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{
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struct sglobal *qglobal = (struct sglobal *) pglobal;
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struct sunknown **pq = (struct sunknown **) pvar;
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struct sunknown *q;
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q = (struct sunknown *) uuconf_malloc (qglobal->pblock,
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sizeof (struct sunknown));
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if (q == NULL)
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{
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qglobal->ierrno = errno;
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return (UUCONF_MALLOC_FAILED
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| UUCONF_ERROR_ERRNO
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| UUCONF_CMDTABRET_EXIT);
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}
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q->qnext = NULL;
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q->ilineno = qglobal->ilineno;
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q->cargs = argc - 1;
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q->pzargs = (char **) uuconf_malloc (qglobal->pblock,
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(argc - 1) * sizeof (char *));
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if (q->pzargs == NULL)
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{
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qglobal->ierrno = errno;
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return (UUCONF_MALLOC_FAILED
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| UUCONF_ERROR_ERRNO
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| UUCONF_CMDTABRET_EXIT);
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}
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memcpy ((pointer) q->pzargs, (pointer) (argv + 1),
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(argc - 1) * sizeof (char *));
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while (*pq != NULL)
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pq = &(*pq)->qnext;
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*pq = q;
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return UUCONF_CMDTABRET_KEEP;
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}
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/* If we encounter an unknown command, see if it is the program with
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which we were invoked. If it was, pass the remaining arguments
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back through the table. */
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/*ARGSUSED*/
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static int
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itprogram (pglobal, argc, argv, pvar, pinfo)
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pointer pglobal;
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int argc;
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char **argv;
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pointer pvar;
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pointer pinfo;
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{
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struct sglobal *qglobal = (struct sglobal *) pglobal;
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struct sinfo *qinfo = (struct sinfo *) pinfo;
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if (argc <= 1
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|| strcasecmp (qinfo->zname, argv[0]) != 0)
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return UUCONF_CMDTABRET_CONTINUE;
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return uuconf_cmd_args (pglobal, argc - 1, argv + 1, qinfo->qcmds,
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(pointer) NULL, (uuconf_cmdtabfn) NULL, 0,
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qglobal->pblock);
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}
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/* If a filename was not set by the configuration file, add in the
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default value. */
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static int
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itset_default (qglobal, ppzvar, zfile)
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struct sglobal *qglobal;
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char ***ppzvar;
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const char *zfile;
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{
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size_t clen;
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char *zadd;
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if (*ppzvar != NULL)
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return UUCONF_SUCCESS;
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clen = strlen (zfile);
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zadd = (char *) uuconf_malloc (qglobal->pblock,
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sizeof NEWCONFIGLIB + clen);
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if (zadd == NULL)
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{
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qglobal->ierrno = errno;
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return UUCONF_MALLOC_FAILED | UUCONF_ERROR_ERRNO;
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}
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memcpy ((pointer) zadd, (pointer) NEWCONFIGLIB, sizeof NEWCONFIGLIB - 1);
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memcpy ((pointer) (zadd + sizeof NEWCONFIGLIB - 1), (pointer) zfile,
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clen + 1);
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return _uuconf_iadd_string (qglobal, zadd, FALSE, FALSE, ppzvar,
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qglobal->pblock);
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}
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