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- /* tinit.c
- Initialize for reading Taylor UUCP configuration files.
-
- Copyright (C) 1992, 1993, 1994, 1995 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-
- The author of the program may be contacted at ian@airs.com or
- c/o Cygnus Support, 48 Grove Street, Somerville, MA 02144.
- */
-
- #include "uucnfi.h"
-
- #if USE_RCS_ID
- const char _uuconf_tinit_rcsid[] = "$Id: tinit.c,v 1.13 1995/06/28 14:38:51 ian Rel $";
- #endif
-
- #include <errno.h>
-
- /* Local functions. */
-
- static int itset_default P((struct sglobal *qglobal, char ***ppzvar,
- const char *zfile));
- static int itdebug P((pointer pglobal, int argc, char **argv, pointer pvar,
- pointer pinfo));
- static int itaddfile P((pointer pglobal, int argc, char **argv, pointer pvar,
- pointer pinfo));
- static int itunknown P((pointer pglobal, int argc, char **argv, pointer pvar,
- pointer pinfo));
- static int itprogram P((pointer pglobal, int argc, char **argv, pointer pvar,
- pointer pinfo));
-
- static const struct cmdtab_offset asCmds[] =
- {
- { "nodename", UUCONF_CMDTABTYPE_STRING,
- offsetof (struct sprocess, zlocalname), NULL },
- { "hostname", UUCONF_CMDTABTYPE_STRING,
- offsetof (struct sprocess, zlocalname), NULL },
- { "uuname", UUCONF_CMDTABTYPE_STRING,
- offsetof (struct sprocess, zlocalname), NULL },
- { "spool", UUCONF_CMDTABTYPE_STRING,
- offsetof (struct sprocess, zspooldir), NULL },
- { "pubdir", UUCONF_CMDTABTYPE_STRING,
- offsetof (struct sprocess, zpubdir), NULL },
- { "lockdir", UUCONF_CMDTABTYPE_STRING,
- offsetof (struct sprocess, zlockdir), NULL },
- { "logfile", UUCONF_CMDTABTYPE_STRING,
- offsetof (struct sprocess, zlogfile), NULL },
- { "statfile", UUCONF_CMDTABTYPE_STRING,
- offsetof (struct sprocess, zstatsfile), NULL },
- { "debugfile", UUCONF_CMDTABTYPE_STRING,
- offsetof (struct sprocess, zdebugfile), NULL },
- { "debug", UUCONF_CMDTABTYPE_FN | 0,
- offsetof (struct sprocess, zdebug), itdebug },
- { "strip-login", UUCONF_CMDTABTYPE_BOOLEAN,
- offsetof (struct sprocess, fstrip_login), NULL },
- { "strip-proto", UUCONF_CMDTABTYPE_BOOLEAN,
- offsetof (struct sprocess, fstrip_proto), NULL },
- { "max-uuxqts", UUCONF_CMDTABTYPE_INT,
- offsetof (struct sprocess, cmaxuuxqts), NULL },
- { "run-uuxqt", UUCONF_CMDTABTYPE_STRING,
- offsetof (struct sprocess, zrunuuxqt), NULL },
- { "sysfile", UUCONF_CMDTABTYPE_FN | 0,
- offsetof (struct sprocess, pzsysfiles), itaddfile },
- { "portfile", UUCONF_CMDTABTYPE_FN | 0,
- offsetof (struct sprocess, pzportfiles), itaddfile },
- { "dialfile", UUCONF_CMDTABTYPE_FN | 0,
- offsetof (struct sprocess, pzdialfiles), itaddfile },
- { "dialcodefile", UUCONF_CMDTABTYPE_FN | 0,
- offsetof (struct sprocess, pzdialcodefiles), itaddfile },
- { "callfile", UUCONF_CMDTABTYPE_FN | 0,
- offsetof (struct sprocess, pzcallfiles), itaddfile },
- { "passwdfile", UUCONF_CMDTABTYPE_FN | 0,
- offsetof (struct sprocess, pzpwdfiles), itaddfile },
- { "unknown", UUCONF_CMDTABTYPE_FN, offsetof (struct sprocess, qunknown),
- itunknown },
- { "v2-files", UUCONF_CMDTABTYPE_BOOLEAN,
- offsetof (struct sprocess, fv2), NULL },
- { "hdb-files", UUCONF_CMDTABTYPE_BOOLEAN,
- offsetof (struct sprocess, fhdb), NULL },
- { "bnu-files", UUCONF_CMDTABTYPE_BOOLEAN,
- offsetof (struct sprocess, fhdb), NULL },
- { "timetable", UUCONF_CMDTABTYPE_FN | 3,
- offsetof (struct sprocess, pztimetables), _uuconf_itimetable },
- { NULL, 0, 0, NULL }
- };
-
- #define CCMDS (sizeof asCmds / sizeof asCmds[0])
-
- /* This structure is used to pass information into the command table
- functions. */
-
- struct sinfo
- {
- /* The program name. */
- const char *zname;
- /* A pointer to the command table being used, passed to isystem so
- it can call uuconf_cmd_args. */
- struct uuconf_cmdtab *qcmds;
- };
-
- /* Initialize the routines which read the Taylor UUCP configuration
- files. */
-
- int
- uuconf_taylor_init (ppglobal, zprogram, zname)
- pointer *ppglobal;
- const char *zprogram;
- const char *zname;
- {
- struct sglobal **pqglobal = (struct sglobal **) ppglobal;
- int iret;
- char *zcopy;
- struct sglobal *qglobal;
- boolean fdefault;
- FILE *e;
- struct sinfo si;
-
- if (*pqglobal == NULL)
- {
- iret = _uuconf_iinit_global (pqglobal);
- if (iret != UUCONF_SUCCESS)
- return iret;
- }
-
- qglobal = *pqglobal;
-
- if (zname != NULL)
- {
- size_t csize;
-
- csize = strlen (zname) + 1;
- zcopy = uuconf_malloc (qglobal->pblock, csize);
- if (zcopy == NULL)
- {
- qglobal->ierrno = errno;
- return UUCONF_MALLOC_FAILED | UUCONF_ERROR_ERRNO;
- }
- memcpy ((pointer) zcopy, (pointer) zname, csize);
- fdefault = FALSE;
- }
- else
- {
- zcopy = uuconf_malloc (qglobal->pblock,
- sizeof NEWCONFIGLIB + sizeof CONFIGFILE - 1);
- if (zcopy == NULL)
- {
- qglobal->ierrno = errno;
- return UUCONF_MALLOC_FAILED | UUCONF_ERROR_ERRNO;
- }
- memcpy ((pointer) zcopy, (pointer) NEWCONFIGLIB,
- sizeof NEWCONFIGLIB - 1);
- memcpy ((pointer) (zcopy + sizeof NEWCONFIGLIB - 1),
- (pointer) CONFIGFILE, sizeof CONFIGFILE);
- fdefault = TRUE;
- }
-
- qglobal->qprocess->zconfigfile = zcopy;
-
- e = fopen (zcopy, "r");
- if (e == NULL)
- {
- if (! fdefault)
- {
- qglobal->ierrno = errno;
- qglobal->zfilename = zcopy;
- return (UUCONF_FOPEN_FAILED
- | UUCONF_ERROR_ERRNO
- | UUCONF_ERROR_FILENAME);
- }
-
- /* There is no config file, so just use the default values. */
- }
- else
- {
- struct uuconf_cmdtab as[CCMDS];
-
- _uuconf_ucmdtab_base (asCmds, CCMDS, (char *) qglobal->qprocess,
- as);
-
- if (zprogram == NULL)
- zprogram = "uucp";
-
- si.zname = zprogram;
- si.qcmds = as;
- iret = uuconf_cmd_file (qglobal, e, as, (pointer) &si, itprogram,
- UUCONF_CMDTABFLAG_BACKSLASH,
- qglobal->pblock);
-
- (void) fclose (e);
-
- if (iret != UUCONF_SUCCESS)
- {
- qglobal->zfilename = zcopy;
- return iret | UUCONF_ERROR_FILENAME;
- }
- }
-
- /* Get the defaults for the file names. */
-
- iret = itset_default (qglobal, &qglobal->qprocess->pzsysfiles, SYSFILE);
- if (iret != UUCONF_SUCCESS)
- return iret;
- iret = itset_default (qglobal, &qglobal->qprocess->pzportfiles, PORTFILE);
- if (iret != UUCONF_SUCCESS)
- return iret;
- iret = itset_default (qglobal, &qglobal->qprocess->pzdialfiles, DIALFILE);
- if (iret != UUCONF_SUCCESS)
- return iret;
- iret = itset_default (qglobal, &qglobal->qprocess->pzdialcodefiles,
- DIALCODEFILE);
- if (iret != UUCONF_SUCCESS)
- return iret;
- iret = itset_default (qglobal, &qglobal->qprocess->pzpwdfiles, PASSWDFILE);
- if (iret != UUCONF_SUCCESS)
- return iret;
- iret = itset_default (qglobal, &qglobal->qprocess->pzcallfiles, CALLFILE);
- if (iret != UUCONF_SUCCESS)
- return iret;
-
- return UUCONF_SUCCESS;
- }
-
- /* Local interface to the _uuconf_idebug_cmd function, which handles
- the "debug" command. */
-
- static int
- itdebug (pglobal, argc, argv, pvar, pinfo)
- pointer pglobal;
- int argc;
- char **argv;
- pointer pvar;
- pointer pinfo;
- {
- struct sglobal *qglobal = (struct sglobal *) pglobal;
- char **pzdebug = (char **) pvar;
-
- return _uuconf_idebug_cmd (qglobal, pzdebug, argc, argv,
- qglobal->pblock);
- }
-
- /* Add new filenames to a list of files. */
-
- /*ARGSUSED*/
- static int
- itaddfile (pglobal, argc, argv, pvar, pinfo)
- pointer pglobal;
- int argc;
- char **argv;
- pointer pvar;
- pointer pinfo;
- {
- struct sglobal *qglobal = (struct sglobal *) pglobal;
- char ***ppz = (char ***) pvar;
- int i;
- int iret;
-
- if (argc == 1)
- {
- iret = _uuconf_iadd_string (qglobal, NULL, FALSE, FALSE, ppz,
- qglobal->pblock);
- if (iret != UUCONF_SUCCESS)
- return iret;
- }
- else
- {
- for (i = 1; i < argc; i++)
- {
- char *z;
- boolean fallocated;
-
- MAKE_ABSOLUTE (z, fallocated, argv[i], NEWCONFIGLIB,
- qglobal->pblock);
- if (z == NULL)
- {
- qglobal->ierrno = errno;
- return (UUCONF_MALLOC_FAILED
- | UUCONF_ERROR_ERRNO
- | UUCONF_CMDTABRET_EXIT);
- }
- iret = _uuconf_iadd_string (qglobal, z, ! fallocated, FALSE, ppz,
- qglobal->pblock);
- if (iret != UUCONF_SUCCESS)
- return iret;
- }
- }
-
- return UUCONF_CMDTABRET_CONTINUE;
- }
-
- /* Handle an "unknown" command. We accumulate this into a linked
- list, and only parse them later in uuconf_unknown_system_info. */
-
- /*ARGSUSED*/
- static int
- itunknown (pglobal, argc, argv, pvar, pinfo)
- pointer pglobal;
- int argc;
- char **argv;
- pointer pvar;
- pointer pinfo;
- {
- struct sglobal *qglobal = (struct sglobal *) pglobal;
- struct sunknown **pq = (struct sunknown **) pvar;
- struct sunknown *q;
-
- q = (struct sunknown *) uuconf_malloc (qglobal->pblock,
- sizeof (struct sunknown));
- if (q == NULL)
- {
- qglobal->ierrno = errno;
- return (UUCONF_MALLOC_FAILED
- | UUCONF_ERROR_ERRNO
- | UUCONF_CMDTABRET_EXIT);
- }
- q->qnext = NULL;
- q->ilineno = qglobal->ilineno;
- q->cargs = argc - 1;
- q->pzargs = (char **) uuconf_malloc (qglobal->pblock,
- (argc - 1) * sizeof (char *));
- if (q->pzargs == NULL)
- {
- qglobal->ierrno = errno;
- return (UUCONF_MALLOC_FAILED
- | UUCONF_ERROR_ERRNO
- | UUCONF_CMDTABRET_EXIT);
- }
- memcpy ((pointer) q->pzargs, (pointer) (argv + 1),
- (argc - 1) * sizeof (char *));
-
- while (*pq != NULL)
- pq = &(*pq)->qnext;
-
- *pq = q;
-
- return UUCONF_CMDTABRET_KEEP;
- }
-
- /* If we encounter an unknown command, see if it is the program with
- which we were invoked. If it was, pass the remaining arguments
- back through the table. */
-
- /*ARGSUSED*/
- static int
- itprogram (pglobal, argc, argv, pvar, pinfo)
- pointer pglobal;
- int argc;
- char **argv;
- pointer pvar;
- pointer pinfo;
- {
- struct sglobal *qglobal = (struct sglobal *) pglobal;
- struct sinfo *qinfo = (struct sinfo *) pinfo;
-
- if (argc <= 1
- || strcasecmp (qinfo->zname, argv[0]) != 0)
- return UUCONF_CMDTABRET_CONTINUE;
-
- return uuconf_cmd_args (pglobal, argc - 1, argv + 1, qinfo->qcmds,
- (pointer) NULL, (uuconf_cmdtabfn) NULL, 0,
- qglobal->pblock);
- }
-
- /* If a filename was not set by the configuration file, add in the
- default value. */
-
- static int
- itset_default (qglobal, ppzvar, zfile)
- struct sglobal *qglobal;
- char ***ppzvar;
- const char *zfile;
- {
- size_t clen;
- char *zadd;
-
- if (*ppzvar != NULL)
- return UUCONF_SUCCESS;
-
- clen = strlen (zfile);
- zadd = (char *) uuconf_malloc (qglobal->pblock,
- sizeof NEWCONFIGLIB + clen);
- if (zadd == NULL)
- {
- qglobal->ierrno = errno;
- return UUCONF_MALLOC_FAILED | UUCONF_ERROR_ERRNO;
- }
-
- memcpy ((pointer) zadd, (pointer) NEWCONFIGLIB, sizeof NEWCONFIGLIB - 1);
- memcpy ((pointer) (zadd + sizeof NEWCONFIGLIB - 1), (pointer) zfile,
- clen + 1);
-
- return _uuconf_iadd_string (qglobal, zadd, FALSE, FALSE, ppzvar,
- qglobal->pblock);
- }
-
- /* Handle the "debug" command which is documented to take multiple
- arguments. This is also called by the ``debug'' command in a sys
- file. It returns a CMDTABRET code. This should probably be in its
- own file, but the only other place it is called is from tsinfo.c,
- and any user of tsinfo.c it sure to link in this file as well. */
-
- int
- _uuconf_idebug_cmd (qglobal, pzdebug, argc, argv, pblock)
- struct sglobal *qglobal;
- char **pzdebug;
- int argc;
- char **argv;
- pointer pblock;
- {
- if (argc == 1)
- {
- *pzdebug = NULL;
- return UUCONF_CMDTABRET_CONTINUE;
- }
- else if (argc == 2)
- {
- *pzdebug = argv[1];
- return UUCONF_CMDTABRET_KEEP;
- }
- else
- {
- size_t cdebug;
- int i;
- char *zdebug;
-
- cdebug = 0;
- for (i = 1; i < argc; i++)
- cdebug += strlen (argv[i]) + 1;
- zdebug = (char *) uuconf_malloc (pblock, cdebug);
- if (zdebug == NULL)
- {
- qglobal->ierrno = errno;
- return (UUCONF_MALLOC_FAILED
- | UUCONF_ERROR_ERRNO
- | UUCONF_CMDTABRET_EXIT);
- }
- cdebug = 0;
- for (i = 1; i < argc; i++)
- {
- size_t clen;
-
- clen = strlen (argv[i]);
- memcpy (zdebug + cdebug, argv[i], clen);
- zdebug[cdebug + clen] = ' ';
- cdebug += clen + 1;
- }
- zdebug[cdebug - 1] = '\0';
- *pzdebug = zdebug;
- return UUCONF_CMDTABRET_CONTINUE;
- }
- }
-