516 lines
11 KiB
C
516 lines
11 KiB
C
/*****************************************************************************
|
|
*
|
|
* $Id$
|
|
* Purpose ...............: Client/Server communications
|
|
*
|
|
*****************************************************************************
|
|
* Copyright (C) 1997-2002
|
|
*
|
|
* Michiel Broek FIDO: 2:280/2802
|
|
* Beekmansbos 10
|
|
* 1971 BV IJmuiden
|
|
* the Netherlands
|
|
*
|
|
* This file is part of MBSE BBS.
|
|
*
|
|
* This BBS is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License as published by the
|
|
* Free Software Foundation; either version 2, or (at your option) any
|
|
* later version.
|
|
*
|
|
* MBSE BBS 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
|
|
* General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with MBSE BBS; see the file COPYING. If not, write to the Free
|
|
* Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
|
|
*****************************************************************************/
|
|
|
|
#include "../config.h"
|
|
#include "libs.h"
|
|
#include "mberrors.h"
|
|
#include "clcomm.h"
|
|
|
|
|
|
int do_quiet = FALSE; /* Quiet flag */
|
|
int show_log = FALSE; /* Show loglines on screen */
|
|
int most_debug = FALSE; /* Toggle normal/most debugging */
|
|
char progname[21]; /* Program name */
|
|
char logdebug[PATH_MAX]; /* Debug logfile */
|
|
char logfile[PATH_MAX]; /* Normal logfile */
|
|
char errfile[PATH_MAX]; /* Error logfile */
|
|
char mgrfile[PATH_MAX]; /* Area/File- mgr logfile */
|
|
long loggrade; /* Logging grade */
|
|
pid_t mypid; /* Original parent pid if child */
|
|
unsigned long lcrc = 0, tcrc = 1; /* CRC value of logstring */
|
|
int lcnt = 0; /* Same message counter */
|
|
static char *pbuff = NULL;
|
|
extern char cpath[108];
|
|
extern char spath[108];
|
|
|
|
|
|
|
|
char *xmalloc(size_t size)
|
|
{
|
|
char *tmp;
|
|
|
|
tmp = malloc(size);
|
|
if (!tmp)
|
|
abort();
|
|
|
|
return tmp;
|
|
}
|
|
|
|
|
|
|
|
char *xstrcpy(char *src)
|
|
{
|
|
char *tmp;
|
|
|
|
if (src == NULL)
|
|
return(NULL);
|
|
tmp = xmalloc(strlen(src)+1);
|
|
strcpy(tmp, src);
|
|
return tmp;
|
|
}
|
|
|
|
|
|
|
|
char *xstrcat(char *src, char *add)
|
|
{
|
|
char *tmp;
|
|
size_t size = 0;
|
|
|
|
if ((add == NULL) || (strlen(add) == 0))
|
|
return src;
|
|
if (src)
|
|
size = strlen(src);
|
|
size += strlen(add);
|
|
tmp = xmalloc(size + 1);
|
|
*tmp = '\0';
|
|
if (src) {
|
|
strcpy(tmp, src);
|
|
free(src);
|
|
}
|
|
strcat(tmp, add);
|
|
return tmp;
|
|
}
|
|
|
|
|
|
|
|
|
|
void InitClient(char *user, char *myname, char *where, char *log, long loggr, char *err, char *mgr, char *debug)
|
|
{
|
|
if ((getenv("MBSE_ROOT")) == NULL) {
|
|
printf("Could not get the MBSE_ROOT environment variable\n");
|
|
printf("Please set the environment variable ie:\n");
|
|
printf("\"MBSE_ROOT=/opt/mbse; export MBSE_ROOT\"\n\n");
|
|
exit(MBERR_INIT_ERROR);
|
|
}
|
|
|
|
sprintf(progname, "%s", myname);
|
|
sprintf(logfile, "%s", log);
|
|
sprintf(errfile, "%s", err);
|
|
sprintf(mgrfile, "%s", mgr);
|
|
sprintf(logdebug, "%s", debug);
|
|
loggrade = loggr;
|
|
|
|
sprintf(cpath, "%s/tmp/%s%d", getenv("MBSE_ROOT"), progname, getpid());
|
|
sprintf(spath, "%s/tmp/mbtask", getenv("MBSE_ROOT"));
|
|
|
|
/*
|
|
* Store my pid in case a child process is forked and wants to do
|
|
* some communications with the mbsed server.
|
|
*/
|
|
mypid = getpid();
|
|
if (socket_connect(user, myname, where) == -1) {
|
|
printf("PANIC: cannot access socket\n");
|
|
exit(MBERR_INIT_ERROR);
|
|
}
|
|
}
|
|
|
|
|
|
|
|
void ExitClient(int errcode)
|
|
{
|
|
if (socket_shutdown(mypid) == -1)
|
|
printf("PANIC: unable to shutdown socket\n");
|
|
unlink(cpath);
|
|
fflush(stdout);
|
|
fflush(stdin);
|
|
|
|
if (pbuff)
|
|
free(pbuff);
|
|
|
|
exit(errcode);
|
|
}
|
|
|
|
|
|
|
|
void SockS(const char *format, ...)
|
|
{
|
|
char *out;
|
|
va_list va_ptr;
|
|
|
|
out = calloc(SS_BUFSIZE, sizeof(char));
|
|
|
|
va_start(va_ptr, format);
|
|
vsprintf(out, format, va_ptr);
|
|
va_end(va_ptr);
|
|
|
|
if (socket_send(out) == 0)
|
|
socket_receive();
|
|
|
|
free(out);
|
|
}
|
|
|
|
|
|
|
|
char *SockR(const char *format, ...)
|
|
{
|
|
static char buf[SS_BUFSIZE];
|
|
char *out;
|
|
va_list va_ptr;
|
|
|
|
memset(&buf, 0, SS_BUFSIZE);
|
|
out = calloc(SS_BUFSIZE, sizeof(char));
|
|
|
|
va_start(va_ptr, format);
|
|
vsprintf(out, format, va_ptr);
|
|
va_end(va_ptr);
|
|
|
|
if (socket_send(out) == 0)
|
|
sprintf(buf, "%s", socket_receive());
|
|
|
|
free(out);
|
|
return buf;
|
|
}
|
|
|
|
|
|
|
|
void WriteError(const char *format, ...)
|
|
{
|
|
char *outputstr;
|
|
va_list va_ptr;
|
|
int i;
|
|
|
|
outputstr = calloc(10240, sizeof(char));
|
|
|
|
va_start(va_ptr, format);
|
|
vsprintf(outputstr, format, va_ptr);
|
|
va_end(va_ptr);
|
|
|
|
for (i = 0; i < strlen(outputstr); i++)
|
|
if (outputstr[i] == '\r' || outputstr[i] == '\n')
|
|
outputstr[i] = ' ';
|
|
|
|
if (*outputstr == '$')
|
|
sprintf(outputstr+strlen(outputstr), ": %s", strerror(errno));
|
|
|
|
if (strlen(outputstr) > (SS_BUFSIZE - 64)) {
|
|
outputstr[SS_BUFSIZE - 65] = ';';
|
|
outputstr[SS_BUFSIZE - 64] = '\0';
|
|
}
|
|
tcrc = StringCRC32(outputstr);
|
|
if (tcrc == lcrc) {
|
|
lcnt++;
|
|
free(outputstr);
|
|
return;
|
|
} else {
|
|
lcrc = tcrc;
|
|
if (lcnt) {
|
|
lcnt++;
|
|
SockS("ALOG:5,%s,%s,%d,?,Last message repeated %d times;", logdebug, progname, mypid, lcnt);
|
|
SockS("ALOG:5,%s,%s,%d,?,Last message repeated %d times;", logfile, progname, mypid, lcnt);
|
|
SockS("ALOG:5,%s,%s,%d,?,Last message repeated %d times;", errfile, progname, mypid, lcnt);
|
|
}
|
|
lcnt = 0;
|
|
}
|
|
|
|
SockS("ALOG:5,%s,%s,%d,?,%s;", logdebug, progname, mypid, *outputstr == '$' ? outputstr+1 : outputstr);
|
|
SockS("ALOG:5,%s,%s,%d,?,%s;", logfile, progname, mypid, *outputstr == '$' ? outputstr+1 : outputstr);
|
|
SockS("ALOG:5,%s,%s,%d,?,%s;", errfile, progname, mypid, *outputstr == '$' ? outputstr+1 : outputstr);
|
|
free(outputstr);
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
* Standard system logging
|
|
*/
|
|
void Syslog(int level, const char *format, ...)
|
|
{
|
|
char *outstr;
|
|
va_list va_ptr;
|
|
|
|
outstr = calloc(10240, sizeof(char));
|
|
|
|
va_start(va_ptr, format);
|
|
vsprintf(outstr, format, va_ptr);
|
|
va_end(va_ptr);
|
|
Syslogp(level, outstr);
|
|
free(outstr);
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
* System logging without string formatting.
|
|
*/
|
|
void Syslogp(int level, char *outstr)
|
|
{
|
|
long mask = 0;
|
|
int i, upper, debug;
|
|
|
|
debug = isalpha(level);
|
|
upper = isupper(level);
|
|
|
|
switch(tolower(level)) {
|
|
case ' ' : mask = DLOG_ALLWAYS; break;
|
|
case '?' : mask = DLOG_ERROR; break;
|
|
case '!' : mask = DLOG_ATTENT; break;
|
|
case '+' : mask = DLOG_NORMAL; break;
|
|
case '-' : mask = DLOG_VERBOSE; break;
|
|
case 'a' : mask = DLOG_TCP; break;
|
|
case 'b' : mask = DLOG_BBS; break;
|
|
case 'c' : mask = DLOG_CHAT; break;
|
|
case 'd' : mask = DLOG_DEVIO; break;
|
|
case 'e' : mask = DLOG_EXEC; break;
|
|
case 'f' : mask = DLOG_FILEFWD; break;
|
|
case 'h' : mask = DLOG_HYDRA; break;
|
|
case 'i' : mask = DLOG_IEMSI; break;
|
|
case 'l' : mask = DLOG_LOCK; break;
|
|
case 'm' : mask = DLOG_MAIL; break;
|
|
case 'n' : mask = DLOG_NODELIST; break;
|
|
case 'o' : mask = DLOG_OUTSCAN; break;
|
|
case 'p' : mask = DLOG_PACK; break;
|
|
case 'r' : mask = DLOG_ROUTE; break;
|
|
case 's' : mask = DLOG_SESSION; break;
|
|
case 't' : mask = DLOG_TTY; break;
|
|
case 'x' : mask = DLOG_XMODEM; break;
|
|
case 'z' : mask = DLOG_ZMODEM; break;
|
|
}
|
|
|
|
if (((loggrade | DLOG_ALLWAYS | DLOG_ERROR) & mask) == 0)
|
|
return;
|
|
|
|
/*
|
|
* Don't log uppercase debug levels when most_debug is FALSE
|
|
*/
|
|
if (upper && !most_debug)
|
|
return;
|
|
|
|
for (i = 0; i < strlen(outstr); i++)
|
|
if (outstr[i] == '\r' || outstr[i] == '\n')
|
|
outstr[i] = ' ';
|
|
if (strlen(outstr) > (SS_BUFSIZE - 64))
|
|
outstr[SS_BUFSIZE - 64] = '\0';
|
|
|
|
tcrc = StringCRC32(outstr);
|
|
if (tcrc == lcrc) {
|
|
lcnt++;
|
|
return;
|
|
} else {
|
|
lcrc = tcrc;
|
|
if (lcnt) {
|
|
lcnt++;
|
|
SockS("ALOG:5,%s,%s,%d,%c,Last message repeated %d times;", logdebug, progname, mypid, level, lcnt);
|
|
if (!debug)
|
|
SockS("ALOG:5,%s,%s,%d,%c,Last message repeated %d times;", logfile, progname, mypid, level, lcnt);
|
|
}
|
|
lcnt = 0;
|
|
}
|
|
|
|
if (show_log)
|
|
printf("%c %s\n", level, outstr);
|
|
|
|
if (*outstr == '$') {
|
|
SockS("ALOG:5,%s,%s,%d,%c,%s: %s;", logdebug, progname, mypid, level, outstr+1, strerror(errno));
|
|
if (!debug)
|
|
SockS("ALOG:5,%s,%s,%d,%c,%s: %s;", logfile, progname, mypid, level, outstr+1, strerror(errno));
|
|
} else {
|
|
SockS("ALOG:5,%s,%s,%d,%c,%s;", logdebug, progname, mypid, level, outstr);
|
|
if (!debug)
|
|
SockS("ALOG:5,%s,%s,%d,%c,%s;", logfile, progname, mypid, level, outstr);
|
|
}
|
|
}
|
|
|
|
|
|
|
|
void Mgrlog(const char *format, ...)
|
|
{
|
|
char *outstr;
|
|
va_list va_ptr;
|
|
int i;
|
|
|
|
outstr = calloc(10240, sizeof(char));
|
|
|
|
va_start(va_ptr, format);
|
|
vsprintf(outstr, format, va_ptr);
|
|
va_end(va_ptr);
|
|
|
|
for (i = 0; i < strlen(outstr); i++)
|
|
if (outstr[i] == '\r' || outstr[i] == '\n')
|
|
outstr[i] = ' ';
|
|
if (strlen(outstr) > (SS_BUFSIZE - 64))
|
|
outstr[SS_BUFSIZE - 64] = '\0';
|
|
|
|
SockS("ALOG:5,%s,%s,%d,+,%s;", mgrfile, progname, mypid, outstr);
|
|
Syslogp('+', outstr);
|
|
free(outstr);
|
|
}
|
|
|
|
|
|
|
|
void IsDoing(const char *format, ...)
|
|
{
|
|
char *outputstr;
|
|
va_list va_ptr;
|
|
|
|
outputstr = calloc(SS_BUFSIZE, sizeof(char));
|
|
|
|
va_start(va_ptr, format);
|
|
vsprintf(outputstr, format, va_ptr);
|
|
va_end(va_ptr);
|
|
|
|
SockS("ADOI:2,%d,%s;", mypid, outputstr);
|
|
free(outputstr);
|
|
}
|
|
|
|
|
|
|
|
void RegTCP(void)
|
|
{
|
|
SockS("ATCP:1,%d;", mypid);
|
|
}
|
|
|
|
|
|
|
|
void SetTTY(char *tty)
|
|
{
|
|
SockS("ATTY:2,%d,%s;", mypid, tty);
|
|
}
|
|
|
|
|
|
|
|
void UserCity(pid_t pid, char *user, char *city)
|
|
{
|
|
SockS("AUSR:3,%d,%s,%s;", pid, user, city);
|
|
}
|
|
|
|
|
|
|
|
void DoNop()
|
|
{
|
|
SockS("GNOP:1,%d;", mypid);
|
|
}
|
|
|
|
|
|
|
|
static time_t nop = 0;
|
|
|
|
/*
|
|
* This function can be called very often but will only send once a minute
|
|
* a NOP to the server. This is a simple solution to keep server trafic low.
|
|
*/
|
|
void Nopper(void)
|
|
{
|
|
time_t now;
|
|
|
|
now = time(NULL);
|
|
if (((time_t)now - (time_t)nop) > 60) {
|
|
nop = now;
|
|
SockS("GNOP:1,%d;", mypid);
|
|
}
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
* Set new alarmtime for Client/Server connection,
|
|
* if zero set the default time.
|
|
*/
|
|
void Altime(int altime)
|
|
{
|
|
if (altime)
|
|
SockS("ATIM:2,%d,%d;", mypid, altime);
|
|
else
|
|
SockS("ADEF:1,%d;", mypid);
|
|
}
|
|
|
|
|
|
|
|
unsigned long sequencer()
|
|
{
|
|
char *buf, *res;
|
|
unsigned long seq = 0;
|
|
|
|
buf = calloc(SS_BUFSIZE, sizeof(char));
|
|
sprintf(buf, "SSEQ:0;");
|
|
|
|
if (socket_send(buf) == 0) {
|
|
free(buf);
|
|
buf = socket_receive();
|
|
res = strtok(buf, ",");
|
|
res = strtok(NULL, ";");
|
|
seq = atol(res);
|
|
}
|
|
|
|
return seq;
|
|
}
|
|
|
|
|
|
|
|
char *printable(char *s, int l)
|
|
{
|
|
int len;
|
|
char *p;
|
|
|
|
if (pbuff)
|
|
free(pbuff);
|
|
pbuff=NULL;
|
|
|
|
if (s == NULL)
|
|
return (char *)"(null)";
|
|
|
|
if (l > 0)
|
|
len=l;
|
|
else if (l == 0)
|
|
len=strlen(s);
|
|
else {
|
|
len=strlen(s);
|
|
if (len > -l)
|
|
len=-l;
|
|
}
|
|
|
|
pbuff=(char*)xmalloc(len*4+1);
|
|
p=pbuff;
|
|
while (len--) {
|
|
if (isprint(*(unsigned char*)s))
|
|
*p++=*s;
|
|
else
|
|
switch (*s) {
|
|
case '\\': *p++='\\'; *p++='\\'; break;
|
|
case '\r': *p++='\\'; *p++='r'; break;
|
|
case '\n': *p++='\\'; *p++='n'; break;
|
|
case '\t': *p++='\\'; *p++='t'; break;
|
|
case '\b': *p++='\\'; *p++='b'; break;
|
|
default: sprintf(p,"\\%02x", (*s & 0xff)); p+=3; break;
|
|
}
|
|
s++;
|
|
}
|
|
*p='\0';
|
|
return pbuff;
|
|
}
|
|
|
|
|
|
|
|
char *printablec(char c)
|
|
{
|
|
return printable(&c,1);
|
|
}
|
|
|
|
|