388 lines
8.9 KiB
C
388 lines
8.9 KiB
C
/*****************************************************************************
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*
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* $Id$
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* Purpose: Fidonet mailer
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*
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*****************************************************************************
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* Copyright (C) 1997-2001
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*
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* Michiel Broek FIDO: 2:280/2802
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* Beekmansbos 10
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* 1971 BV IJmuiden
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* the Netherlands
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*
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* This file is part of MBSE BBS.
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*
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* This BBS is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2, or (at your option) any
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* later version.
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*
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* MBSE BBS 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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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with MBSE BBS; see the file COPYING. If not, write to the Free
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* Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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*****************************************************************************/
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#include "../lib/libs.h"
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#include "../lib/structs.h"
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#include "../lib/records.h"
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#include "../lib/common.h"
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#include "../lib/clcomm.h"
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#include "../lib/dbcfg.h"
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#include "../lib/dbnode.h"
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#include "../lib/dbftn.h"
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#include "config.h"
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#include "answer.h"
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#include "portsel.h"
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#include "call.h"
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#include "callall.h"
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#include "lutil.h"
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#include "mbcico.h"
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#include "session.h"
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int master = 0;
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int forcedcalls = 0;
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int immediatecall = FALSE;
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char *forcedphone = NULL;
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char *forcedline = NULL;
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char *inetaddr = NULL;
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char *envptr = NULL;
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time_t t_start;
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time_t t_end;
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time_t c_start;
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time_t c_end;
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int online = 0;
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unsigned long sentbytes = 0;
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unsigned long rcvdbytes = 0;
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int tcp_mode = TCPMODE_NONE;
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int Loaded = FALSE;
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extern char *myname;
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char *inbound;
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char *uxoutbound;
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char *name;
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char *phone;
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char *flags;
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extern int gotfiles;
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extern int mypid;
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void usage(void)
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{
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fprintf(stderr,"ifcico; (c) Eugene G. Crosser, 1993-1997\n");
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fprintf(stderr,"mbcico ver. %s; (c) %s\n\n", VERSION, SHORTRIGHT);
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fprintf(stderr,"-r<role> -a<inetaddr> <node> ...\n");
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fprintf(stderr,"-r 0|1 1 - master, 0 - slave [0]\n");
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fprintf(stderr,"-n<phone> forced phone number\n");
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fprintf(stderr,"-l<ttydevice> forced tty device\n");
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fprintf(stderr,"-t<tcpmode> must be one of ifc|itn|ibn, forces TCP/IP\n");
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fprintf(stderr,"-a<inetaddr> supply internet hostname if not in nodelist\n");
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fprintf(stderr," <node> should be in domain form, e.g. f11.n22.z3\n");
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fprintf(stderr," (this implies master mode)\n");
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fprintf(stderr,"\n or: %s tsync|yoohoo|**EMSI_INQC816|-t ibn|-t ifc|-t itn\n",myname);
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fprintf(stderr," (this implies slave mode)\n");
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}
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void free_mem(void)
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{
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free(inbound);
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if (name)
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free(name);
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if (phone)
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free(phone);
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if (flags)
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free(flags);
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if (uxoutbound)
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free(uxoutbound);
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}
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void die(int onsig)
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{
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int total = 0;
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signal(onsig, SIG_IGN);
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if (onsig) {
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if (onsig <= NSIG)
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WriteError("$Terminated on signal %d (%s)", onsig, SigName[onsig]);
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else
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Syslog('+', "Terminated with error %d", onsig);
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}
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if (sentbytes || rcvdbytes) {
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total = (int)(c_end - c_start);
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if (!total)
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total = 1;
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Syslog('+', "Sent %lu bytes, received %lu bytes, avg %d cps",
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sentbytes, rcvdbytes, (sentbytes + rcvdbytes) / total);
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}
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if (online)
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Syslog('+', "Connected %s", str_time(online));
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if (gotfiles)
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CreateSema((char *)"mailin");
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time(&t_end);
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Syslog(' ', "MBCICO finished in %s", t_elapsed(t_start, t_end));
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free_mem();
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if (envptr)
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free(envptr);
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ExitClient(onsig);
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}
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int main(int argc, char *argv[])
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{
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int i, c, uid;
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fa_list *callist = NULL, **tmpl;
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faddr *tmp;
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int rc, maxrc, callno = 0, succno = 0;
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char *answermode = NULL, *p = NULL, *cmd = NULL;
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struct passwd *pw;
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FILE *fp;
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#ifdef MEMWATCH
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mwInit();
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#endif
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/*
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* The next trick is to supply a fake environment variable
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* MBSE_ROOT in case we are started from inetd or mgetty,
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* this will setup the variable so InitConfig() will work.
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* The /etc/passwd must point to the correct homedirectory.
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*/
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pw = getpwuid(getuid());
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if (getenv("MBSE_ROOT") == NULL) {
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envptr = xstrcpy((char *)"MBSE_ROOT=");
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envptr = xstrcat(envptr, pw->pw_dir);
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putenv(envptr);
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}
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if (argc < 2) {
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usage();
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if (envptr)
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free(envptr);
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#ifdef MEMWATCH
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mwTerm();
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#endif
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exit(101);
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}
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InitConfig();
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InitNode();
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InitFidonet();
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TermInit(1);
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time(&t_start);
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time(&c_start);
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time(&c_end);
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InitClient(pw->pw_name, (char *)"mbcico", CFG.location, CFG.logfile, CFG.cico_loglevel, CFG.error_log);
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Syslog(' ', " ");
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Syslog(' ', "MBCICO v%s", VERSION);
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/*
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* Catch all signals we can, and handle the rest.
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*/
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for (i = 0; i < NSIG; i++) {
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if ((i == SIGINT) || (i == SIGBUS) ||
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(i == SIGFPE) || (i == SIGSEGV)) {
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signal(i, (void (*))die);
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} else
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signal(i, SIG_DFL);
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}
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/*
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* Check if history file exists, if not create a new one.
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*/
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cmd = calloc(128, sizeof(char));
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sprintf(cmd, "%s/var/mailer.hist", getenv("MBSE_ROOT"));
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if ((fp = fopen(cmd, "r")) == NULL) {
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if ((fp = fopen(cmd, "a")) == NULL) {
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WriteError("$Can't create %s", cmd);
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} else {
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memset(&history, 0, sizeof(history));
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history.online = time(NULL);
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history.offline = time(NULL);
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fwrite(&history, sizeof(history), 1, fp);
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fclose(fp);
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Syslog('+', "Created new %s", cmd);
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}
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} else {
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fclose(fp);
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}
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free(cmd);
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memset(&history, 0, sizeof(history));
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cmd = xstrcpy((char *)"Cmd: mbcico");
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for (i = 1; i < argc; i++) {
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cmd = xstrcat(cmd, (char *)" ");
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cmd = xstrcat(cmd, argv[i]);
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}
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Syslog(' ', cmd);
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free(cmd);
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setmyname(argv[0]);
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while ((c=getopt(argc,argv,"r:n:l:t:a:I:h")) != -1)
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switch (c) {
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case 'r': master = atoi(optarg);
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if ((master != 0) && (master != 1)) {
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usage();
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die(101);
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}
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break;
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case 'l': forcedline = optarg;
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break;
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case 't': p = xstrcpy(optarg);
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if (strncmp(p, "ifc", 3) == 0)
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tcp_mode = TCPMODE_IFC;
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else if (strncmp(p, "itn", 3) == 0)
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tcp_mode = TCPMODE_ITN;
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else if (strncmp(p, "ibn", 3) == 0)
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tcp_mode = TCPMODE_IBN;
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else {
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usage();
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die(101);
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}
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free(p);
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break;
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case 'a': inetaddr = optarg;
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break;
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case 'n': forcedphone = optarg;
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break;
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default: usage();
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die(101);
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}
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/*
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* Load rest of the configuration
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*/
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inbound = xstrcpy(CFG.inbound);
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uxoutbound = xstrcpy(CFG.uxpath);
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name = xstrcpy(CFG.bbs_name);
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phone = xstrcpy(CFG.Phone);
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flags = xstrcpy(CFG.Flags);
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tmpl = &callist;
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while (argv[optind]) {
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for (p = argv[optind]; (*p) && (*p == '*'); p++);
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if ((strcasecmp(argv[optind],"tsync") == 0) ||
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(strcasecmp(argv[optind],"yoohoo") == 0) ||
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(strcasecmp(argv[optind],"ibn") == 0) ||
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(strncasecmp(p,"EMSI_",5) == 0)) {
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master = 0;
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answermode = argv[optind];
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Syslog('S', "Inbound \"%s\" mode", MBSE_SS(answermode));
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} else {
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Syslog('-', "Callist entry \"%s\"", argv[optind]);
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if ((tmp = parsefaddr(argv[optind]))) {
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*tmpl = (fa_list *)malloc(sizeof(fa_list));
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(*tmpl)->next = NULL;
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(*tmpl)->addr = tmp;
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tmpl = &((*tmpl)->next);
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immediatecall = TRUE;
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} else
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WriteError("Unrecognizable address \"%s\"", argv[optind]);
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}
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optind++;
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}
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if (callist) {
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master = 1;
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forcedcalls = 1;
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}
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/*
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The following witchkraft about uid-s is necessary to make
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access() work right. Unforunately, access() checks the real
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uid, if mbcico is invoked with supervisor real uid (as when
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called by uugetty) it returns X_OK for the magic files that
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even do not have `x' bit set. Therefore, `reference' magic
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file requests are taken for `execute' requests (and the
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actual execution natually fails). Here we set real uid equal
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to effective. If real uid is not zero, all these fails, but
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in this case it is not necessary anyway.
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*/
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uid=geteuid();
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seteuid(0);
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setuid(uid);
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seteuid(uid);
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umask(066); /* packets may contain confidential information */
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p = xstrcpy(inbound);
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p = xstrcat(p,(char *)"/tmp/fooinb");
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mkdirs(p);
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free(p);
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maxrc=0;
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if (master) {
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/*
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* Don't do outbound calls if low diskspace
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*/
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if (!diskfree(CFG.freespace))
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die(101);
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if (callist == NULL)
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callist = callall();
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for (tmpl = &callist; *tmpl; tmpl = &((*tmpl)->next)) {
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callno++;
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forcedcalls = (*tmpl)->force;
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rc = call((*tmpl)->addr);
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Syslog('+', "Call to %s %s (rc=%d)", ascfnode((*tmpl)->addr,0x1f), rc?"failed":"successful",rc);
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if (rc > maxrc)
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maxrc=rc;
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if (rc == 0) {
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succno++;
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break;
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}
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}
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if (callist == NULL)
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if (IsSema((char *)"scanout"))
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RemoveSema((char *)"scanout");
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} else {
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/* slave */
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if (!answermode && tcp_mode == TCPMODE_IBN)
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answermode = xstrcpy((char *)"ibn");
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maxrc = answer(answermode);
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callno = 1;
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succno = (maxrc == 0);
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}
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if (callno)
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Syslog('+', "%d of %d calls, maxrc=%d",succno,callno,maxrc);
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tidy_falist(&callist);
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if (maxrc)
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die(maxrc+100);
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else
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die(0);
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return 0;
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}
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