524 lines
16 KiB
C
524 lines
16 KiB
C
/* syssub.c
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System information subroutines.
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Copyright (C) 1992, 1993 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 Cygnus Support, Building 200, 1 Kendall Square, Cambridge, MA 02139.
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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_syssub_rcsid[] = "$Id: syssub.c,v 1.2 1994/10/24 22:24:45 jtc Exp $";
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#endif
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#include <errno.h>
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/* This macro operates on every string (char *) field in struct
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uuconf_system. */
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#define SYSTEM_STRINGS(OP) \
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do \
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{ \
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OP (uuconf_zname); \
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OP (uuconf_zalternate); \
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OP (uuconf_zdebug); \
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OP (uuconf_zmax_remote_debug); \
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OP (uuconf_zphone); \
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OP (uuconf_zcall_login); \
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OP (uuconf_zcall_password); \
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OP (uuconf_zcalled_login); \
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OP (uuconf_zprotocols); \
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OP (uuconf_zpubdir); \
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OP (uuconf_zlocalname); \
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} \
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while (0)
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/* This macro operates on every string array (char **) field in struct
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uuconf_system. */
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#define SYSTEM_STRING_ARRAYS(OP) \
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do \
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{ \
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OP (uuconf_pzalias); \
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OP (uuconf_pzlocal_send); \
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OP (uuconf_pzremote_send); \
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OP (uuconf_pzlocal_receive); \
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OP (uuconf_pzremote_receive); \
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OP (uuconf_pzpath); \
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OP (uuconf_pzcmds); \
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OP (uuconf_pzforward_from); \
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OP (uuconf_pzforward_to); \
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OP (uuconf_schat.uuconf_pzchat); \
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OP (uuconf_schat.uuconf_pzprogram); \
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OP (uuconf_schat.uuconf_pzfail); \
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OP (uuconf_scalled_chat.uuconf_pzchat); \
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OP (uuconf_scalled_chat.uuconf_pzprogram); \
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OP (uuconf_scalled_chat.uuconf_pzfail); \
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} \
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while (0)
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/* This macro operations on every timespan pointer (struct
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uuconf_timespan *) in struct uuconf_system. */
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#define SYSTEM_TIMESPANS(OP) \
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do \
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{ \
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OP (uuconf_qtimegrade); \
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OP (uuconf_qcalltimegrade); \
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OP (uuconf_qcall_local_size); \
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OP (uuconf_qcall_remote_size); \
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OP (uuconf_qcalled_local_size); \
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OP (uuconf_qcalled_remote_size); \
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} \
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while (0)
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/* This macro operates on every boolean value (of type int, although
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some type int are not boolean) field in uuconf_system. */
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#define SYSTEM_BOOLEANS(OP) \
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do \
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{ \
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OP (uuconf_fcall); \
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OP (uuconf_fcalled); \
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OP (uuconf_fcallback); \
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OP (uuconf_fsequence); \
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OP (uuconf_fsend_request); \
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OP (uuconf_frec_request); \
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OP (uuconf_fcall_transfer); \
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OP (uuconf_fcalled_transfer); \
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OP (uuconf_schat.uuconf_fstrip); \
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OP (uuconf_scalled_chat.uuconf_fstrip); \
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} \
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while (0)
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/* This macro operates on every generic integer (type int or long) in
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uuconf_system. */
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#define SYSTEM_INTEGERS(OP) \
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do \
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{ \
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OP (uuconf_cmax_retries); \
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OP (uuconf_csuccess_wait); \
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OP (uuconf_ibaud); \
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OP (uuconf_ihighbaud); \
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OP (uuconf_cfree_space); \
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OP (uuconf_schat.uuconf_ctimeout); \
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OP (uuconf_scalled_chat.uuconf_ctimeout); \
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} \
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while (0)
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/* There is no macro for uuconf_qalternate, uuconf_zport,
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uuconf_qport, uuconf_qproto_params, or uuconf_palloc. */
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/* Clear the contents of a struct uuconf_system. */
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void
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_uuconf_uclear_system (q)
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struct uuconf_system *q;
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{
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#define CLEAR(x) q->x = (char *) &_uuconf_unset
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SYSTEM_STRINGS (CLEAR);
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#undef CLEAR
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#define CLEAR(x) q->x = (char **) &_uuconf_unset
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SYSTEM_STRING_ARRAYS (CLEAR);
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#undef CLEAR
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#define CLEAR(x) q->x = (struct uuconf_timespan *) &_uuconf_unset
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SYSTEM_TIMESPANS (CLEAR);
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#undef CLEAR
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#define CLEAR(x) q->x = -1
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SYSTEM_BOOLEANS (CLEAR);
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SYSTEM_INTEGERS (CLEAR);
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#undef CLEAR
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q->uuconf_qalternate = NULL;
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q->uuconf_zport = (char *) &_uuconf_unset;
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q->uuconf_qport = (struct uuconf_port *) &_uuconf_unset;
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q->uuconf_qproto_params = (struct uuconf_proto_param *) &_uuconf_unset;
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q->uuconf_palloc = NULL;
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}
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/* Default the contents of one struct uuconf_system to the contents of
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another. This default alternate by alternate. Any additional
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alternates in q default to the last alternate of qdefault. If the
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faddalternates arguments is TRUE, additional alternates or qdefault
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are added to q; these alternates are copies of the first alternate
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of q, and defaults are set from the additional alternates of
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qdefault. */
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int
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_uuconf_isystem_default (qglobal, qset, qdefault, faddalternates)
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struct sglobal *qglobal;
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struct uuconf_system *qset;
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struct uuconf_system *qdefault;
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boolean faddalternates;
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{
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struct uuconf_system *qalt;
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if (qset->uuconf_palloc != qdefault->uuconf_palloc)
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qset->uuconf_palloc =
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_uuconf_pmalloc_block_merge (qset->uuconf_palloc,
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qdefault->uuconf_palloc);
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/* If we are adding alternates from the default, make sure we have
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at least as many alternates in qset as we do in qdefault. Each
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new alternate we create gets initialized to the first alternate
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of the system. */
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if (faddalternates)
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{
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struct uuconf_system **pq, *qdef;
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for (qdef = qdefault, pq = &qset;
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qdef != NULL;
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qdef = qdef->uuconf_qalternate, pq = &(*pq)->uuconf_qalternate)
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{
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if (*pq == NULL)
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{
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*pq = ((struct uuconf_system *)
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uuconf_malloc (qset->uuconf_palloc,
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sizeof (struct uuconf_system)));
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if (*pq == 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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**pq = *qset;
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(*pq)->uuconf_qalternate = NULL;
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}
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}
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}
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for (qalt = qset; qalt != NULL; qalt = qalt->uuconf_qalternate)
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{
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#define DEFAULT(x) \
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if (qalt->x == (char *) &_uuconf_unset) qalt->x = qdefault->x
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SYSTEM_STRINGS (DEFAULT);
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#undef DEFAULT
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#define DEFAULT(x) \
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if (qalt->x == (char **) &_uuconf_unset) qalt->x = qdefault->x
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SYSTEM_STRING_ARRAYS (DEFAULT);
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#undef DEFAULT
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#define DEFAULT(x) \
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if (qalt->x == (struct uuconf_timespan *) &_uuconf_unset) \
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qalt->x = qdefault->x
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SYSTEM_TIMESPANS (DEFAULT);
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#undef DEFAULT
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#define DEFAULT(x) if (qalt->x < 0) qalt->x = qdefault->x
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SYSTEM_BOOLEANS (DEFAULT);
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SYSTEM_INTEGERS (DEFAULT);
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#undef DEFAULT
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/* We only copy over zport if both zport and qport are NULL,
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because otherwise a default zport would override a specific
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qport. */
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if (qalt->uuconf_zport == (char *) &_uuconf_unset
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&& qalt->uuconf_qport == (struct uuconf_port *) &_uuconf_unset)
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qalt->uuconf_zport = qdefault->uuconf_zport;
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if (qalt->uuconf_qport == (struct uuconf_port *) &_uuconf_unset)
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qalt->uuconf_qport = qdefault->uuconf_qport;
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if (qalt->uuconf_qproto_params
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== (struct uuconf_proto_param *) &_uuconf_unset)
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qalt->uuconf_qproto_params = qdefault->uuconf_qproto_params;
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else if (qdefault->uuconf_qproto_params != NULL)
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{
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int cnew, ca;
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struct uuconf_proto_param *qd, *qa;
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/* Merge in the default protocol parameters, so that a
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system with 'g' protocol parameters won't lose the
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default 'i' protocol parameters. */
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ca = 0;
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cnew = 0;
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for (qd = qdefault->uuconf_qproto_params;
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qd->uuconf_bproto != '\0';
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qd++)
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{
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int c;
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c = 0;
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for (qa = qalt->uuconf_qproto_params;
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(qa->uuconf_bproto != '\0'
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&& qa->uuconf_bproto != qd->uuconf_bproto);
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qa++)
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++c;
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if (qa->uuconf_bproto == '\0')
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{
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++cnew;
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ca = c;
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}
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}
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if (cnew > 0)
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{
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struct uuconf_proto_param *qnew;
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qnew = ((struct uuconf_proto_param *)
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uuconf_malloc (qset->uuconf_palloc,
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((ca + cnew + 1)
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* sizeof (struct uuconf_proto_param))));
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if (qnew == 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) qnew, (pointer) qalt->uuconf_qproto_params,
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ca * sizeof (struct uuconf_proto_param));
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cnew = 0;
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for (qd = qdefault->uuconf_qproto_params;
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qd->uuconf_bproto != '\0';
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qd++)
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{
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for (qa = qalt->uuconf_qproto_params;
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(qa->uuconf_bproto != '\0'
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&& qa->uuconf_bproto != qd->uuconf_bproto);
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qa++)
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;
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if (qa->uuconf_bproto == '\0')
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{
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qnew[ca + cnew] = *qd;
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++cnew;
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}
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}
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qnew[ca + cnew].uuconf_bproto = '\0';
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uuconf_free (qset->uuconf_palloc, qalt->uuconf_qproto_params);
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qalt->uuconf_qproto_params = qnew;
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}
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}
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if (qdefault->uuconf_qalternate != NULL)
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qdefault = qdefault->uuconf_qalternate;
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}
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return UUCONF_SUCCESS;
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}
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/* Put in the basic defaults. This ensures that the fields are valid
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on every uuconf_system structure. */
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int
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_uuconf_isystem_basic_default (qglobal, q)
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struct sglobal *qglobal;
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register struct uuconf_system *q;
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{
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int iret;
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iret = UUCONF_SUCCESS;
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for (; q != NULL && iret == UUCONF_SUCCESS; q = q->uuconf_qalternate)
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{
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/* The default of 26 allowable retries is traditional. */
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if (q->uuconf_cmax_retries < 0)
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q->uuconf_cmax_retries = 26;
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if (q->uuconf_schat.uuconf_pzchat == (char **) &_uuconf_unset)
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{
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q->uuconf_schat.uuconf_pzchat = NULL;
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iret = _uuconf_iadd_string (qglobal, (char *) "\"\"", FALSE,
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FALSE,
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&q->uuconf_schat.uuconf_pzchat,
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q->uuconf_palloc);
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if (iret != UUCONF_SUCCESS)
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return iret;
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iret = _uuconf_iadd_string (qglobal, (char *) "\\r\\c", FALSE,
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FALSE,
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&q->uuconf_schat.uuconf_pzchat,
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q->uuconf_palloc);
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if (iret != UUCONF_SUCCESS)
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return iret;
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iret = _uuconf_iadd_string (qglobal, (char *) "ogin:", FALSE,
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FALSE,
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&q->uuconf_schat.uuconf_pzchat,
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q->uuconf_palloc);
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if (iret != UUCONF_SUCCESS)
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return iret;
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iret = _uuconf_iadd_string (qglobal, (char *) "-BREAK", FALSE,
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FALSE,
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&q->uuconf_schat.uuconf_pzchat,
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q->uuconf_palloc);
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if (iret != UUCONF_SUCCESS)
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return iret;
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iret = _uuconf_iadd_string (qglobal, (char *) "-ogin:", FALSE,
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FALSE,
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&q->uuconf_schat.uuconf_pzchat,
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q->uuconf_palloc);
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if (iret != UUCONF_SUCCESS)
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return iret;
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iret = _uuconf_iadd_string (qglobal, (char *) "-BREAK", FALSE,
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FALSE,
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&q->uuconf_schat.uuconf_pzchat,
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q->uuconf_palloc);
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if (iret != UUCONF_SUCCESS)
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return iret;
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iret = _uuconf_iadd_string (qglobal, (char *) "-ogin:", FALSE,
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FALSE,
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&q->uuconf_schat.uuconf_pzchat,
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q->uuconf_palloc);
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if (iret != UUCONF_SUCCESS)
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return iret;
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iret = _uuconf_iadd_string (qglobal, (char *) "\\L", FALSE,
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FALSE,
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&q->uuconf_schat.uuconf_pzchat,
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q->uuconf_palloc);
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if (iret != UUCONF_SUCCESS)
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return iret;
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iret = _uuconf_iadd_string (qglobal, (char *) "word:", FALSE,
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FALSE,
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&q->uuconf_schat.uuconf_pzchat,
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q->uuconf_palloc);
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if (iret != UUCONF_SUCCESS)
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return iret;
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iret = _uuconf_iadd_string (qglobal, (char *) "\\P", FALSE,
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FALSE,
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&q->uuconf_schat.uuconf_pzchat,
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q->uuconf_palloc);
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if (iret != UUCONF_SUCCESS)
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return iret;
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}
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if (q->uuconf_schat.uuconf_ctimeout < 0)
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q->uuconf_schat.uuconf_ctimeout = 10;
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if (q->uuconf_schat.uuconf_fstrip < 0)
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q->uuconf_schat.uuconf_fstrip = TRUE;
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if (q->uuconf_scalled_chat.uuconf_ctimeout < 0)
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q->uuconf_scalled_chat.uuconf_ctimeout = 60;
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if (q->uuconf_scalled_chat.uuconf_fstrip < 0)
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q->uuconf_scalled_chat.uuconf_fstrip = TRUE;
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if (q->uuconf_fsend_request < 0)
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q->uuconf_fsend_request = TRUE;
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if (q->uuconf_frec_request < 0)
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q->uuconf_frec_request = TRUE;
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if (q->uuconf_fcall_transfer < 0)
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q->uuconf_fcall_transfer = TRUE;
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if (q->uuconf_fcalled_transfer < 0)
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q->uuconf_fcalled_transfer = TRUE;
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if (q->uuconf_pzlocal_send == (char **) &_uuconf_unset)
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{
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q->uuconf_pzlocal_send = NULL;
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iret = _uuconf_iadd_string (qglobal, (char *) ZROOTDIR, FALSE,
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FALSE, &q->uuconf_pzlocal_send,
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q->uuconf_palloc);
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if (iret != UUCONF_SUCCESS)
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return iret;
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}
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if (q->uuconf_pzremote_send == (char **) &_uuconf_unset)
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{
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q->uuconf_pzremote_send = NULL;
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iret = _uuconf_iadd_string (qglobal, (char *) "~", FALSE, FALSE,
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&q->uuconf_pzremote_send,
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q->uuconf_palloc);
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if (iret != UUCONF_SUCCESS)
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return iret;
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}
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if (q->uuconf_pzlocal_receive == (char **) &_uuconf_unset)
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{
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q->uuconf_pzlocal_receive = NULL;
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iret = _uuconf_iadd_string (qglobal, (char *) "~", FALSE, FALSE,
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&q->uuconf_pzlocal_receive,
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q->uuconf_palloc);
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if (iret != UUCONF_SUCCESS)
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return iret;
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}
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if (q->uuconf_pzremote_receive == (char **) &_uuconf_unset)
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{
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q->uuconf_pzremote_receive = NULL;
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iret = _uuconf_iadd_string (qglobal, (char *) "~", FALSE, FALSE,
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&q->uuconf_pzremote_receive,
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q->uuconf_palloc);
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if (iret != UUCONF_SUCCESS)
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return iret;
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}
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if (q->uuconf_pzpath == (char **) &_uuconf_unset)
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{
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char *zdup;
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char **pz;
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size_t csplit;
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int c;
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zdup = (char *) uuconf_malloc (q->uuconf_palloc, sizeof CMDPATH);
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if (zdup == 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) zdup, (pointer) CMDPATH, sizeof CMDPATH);
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pz = NULL;
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csplit = 0;
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if ((c = _uuconf_istrsplit (zdup, '\0', &pz, &csplit)) < 0)
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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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q->uuconf_pzpath = (char **) uuconf_malloc (q->uuconf_palloc,
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((c + 1)
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* sizeof (char *)));
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if (q->uuconf_pzpath == NULL)
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{
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||
qglobal->ierrno = errno;
|
||
return UUCONF_MALLOC_FAILED | UUCONF_ERROR_ERRNO;
|
||
}
|
||
memcpy ((pointer) q->uuconf_pzpath, (pointer) pz,
|
||
c * sizeof (char *));
|
||
q->uuconf_pzpath[c] = NULL;
|
||
free ((pointer) pz);
|
||
}
|
||
|
||
if (q->uuconf_pzcmds == (char **) &_uuconf_unset)
|
||
{
|
||
q->uuconf_pzcmds = ((char **)
|
||
uuconf_malloc (q->uuconf_palloc,
|
||
3 * sizeof (const char *)));
|
||
if (q->uuconf_pzcmds == NULL)
|
||
{
|
||
qglobal->ierrno = errno;
|
||
return UUCONF_MALLOC_FAILED | UUCONF_ERROR_ERRNO;
|
||
}
|
||
q->uuconf_pzcmds[0] = (char *) "rnews";
|
||
q->uuconf_pzcmds[1] = (char *) "rmail";
|
||
q->uuconf_pzcmds[2] = NULL;
|
||
}
|
||
|
||
if (q->uuconf_cfree_space < 0)
|
||
q->uuconf_cfree_space = DEFAULT_FREE_SPACE;
|
||
|
||
if (q->uuconf_zpubdir == (const char *) &_uuconf_unset)
|
||
q->uuconf_zpubdir = qglobal->qprocess->zpubdir;
|
||
|
||
#define SET(x) if (q->x == (char *) &_uuconf_unset) q->x = NULL
|
||
SYSTEM_STRINGS(SET);
|
||
#undef SET
|
||
#define SET(x) if (q->x == (char **) &_uuconf_unset) q->x = NULL
|
||
SYSTEM_STRING_ARRAYS(SET);
|
||
#undef SET
|
||
#define SET(x) \
|
||
if (q->x == (struct uuconf_timespan *) &_uuconf_unset) q->x = NULL
|
||
SYSTEM_TIMESPANS (SET);
|
||
#undef SET
|
||
#define SET(x) if (q->x < 0) q->x = 0
|
||
SYSTEM_BOOLEANS (SET);
|
||
SYSTEM_INTEGERS (SET);
|
||
#undef SET
|
||
|
||
if (q->uuconf_zport == (char *) &_uuconf_unset)
|
||
q->uuconf_zport = NULL;
|
||
if (q->uuconf_qport == (struct uuconf_port *) &_uuconf_unset)
|
||
q->uuconf_qport = NULL;
|
||
if (q->uuconf_qproto_params
|
||
== (struct uuconf_proto_param *) &_uuconf_unset)
|
||
q->uuconf_qproto_params = NULL;
|
||
}
|
||
|
||
return iret;
|
||
}
|