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691744836f
deb-mbse/mbtask/taskcomm.c
Michiel Broek 517cc6944f Fixed compiler warnings
2011-05-22 17:43:12 +02:00

887 lines
19 KiB
C
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/*****************************************************************************
*
* Purpose ...............: MBSE BBS Daemon
*
*****************************************************************************
* Copyright (C) 1997-2011
*
* 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.
*
* MB 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 MB BBS; see the file COPYING. If not, write to the Free
* Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
*****************************************************************************/
#include "../config.h"
#include "../lib/mbselib.h"
#include "taskstat.h"
#include "taskregs.h"
#include "taskdisk.h"
#include "taskinfo.h"
#include "taskutil.h"
#include "taskchat.h"
#include "taskcomm.h"
#include "taskibc.h"
extern int oserr; /* Copy of Unix error */
extern int sock; /* Server socket */
extern struct sockaddr_un from; /* From socket address */
extern int fromlen; /* From address length */
extern int logtrans; /* Log transactions */
/************************************************************************
*
* Logging procedures.
*/
int userlog(char *);
int userlog(char *param)
{
char *prname, *prpid, *grade, *msg;
static char lfn[PATH_MAX], token[14];
int rc;
lfn[0] = '\0';
strncpy(token, strtok(param, ","), 14);
strncpy(token, strtok(NULL, ","), 14);
snprintf(lfn, PATH_MAX, "%s/log/%s", getenv("MBSE_ROOT"), token);
prname = strtok(NULL, ",");
prpid = strtok(NULL, ",");
grade = strtok(NULL, ",");
msg = xstrcpy(cldecode(strtok(NULL, ";")));
rc = ulog(lfn, grade, prname, prpid, msg);
free(msg);
return rc;
}
/*
* Process command received from the client.
*/
char *exe_cmd(char *);
char *exe_cmd(char *in)
{
static char obuf[SS_BUFSIZE];
static char ibuf[SS_BUFSIZE];
static char cmd[4];
static char token[SS_BUFSIZE];
static char ebuf[19];
static char var1[16];
int result;
char *buf;
strncpy(ibuf, in, SS_BUFSIZE);
strncpy(cmd, ibuf, 4);
strncpy(ebuf, "200:1,Syntax error;", 19);
/*
* Split the commandline after the colon so we can give the
* options directly to the actual functions. Also set a default
* and most used answer.
*/
strncpy(token, &ibuf[5], SS_BUFSIZE);
strncpy(obuf, "100:0;", SS_BUFSIZE);
/*
* The A(counting) commands.
*
* AINI:5,pid,tty,user,program,city;
* 100:1,linenr;
* 200:1,Syntax Error;
*/
if (strncmp(cmd, "AINI", 4) == 0) {
if ((result = reg_newcon(token)) != -1) {
snprintf(obuf, SS_BUFSIZE, "100:1,%d;", result);
return obuf;
} else {
stat_inc_serr();
return ebuf;
}
}
/*
* ACLO:1,pid;
* 107:0;
* 200:1,Syntax Error;
*/
if (strncmp(cmd ,"ACLO", 4) == 0) {
if (reg_closecon(token) == 0) {
strcpy(obuf, "107:0;");
return obuf;
} else {
stat_inc_serr();
return ebuf;
}
}
/*
* ADOI:2,pid,doing;
* 100:0;
* 200:1,Syntax Error;
*/
if (strncmp(cmd, "ADOI", 4) == 0) {
if (reg_doing(token) == 0)
return obuf;
else {
stat_inc_serr();
return ebuf;
}
}
/*
* ATCP:1,pid;
* 100:0;
* 200:1,Syntax Error;
*/
if (strncmp(cmd, "ATCP", 4) == 0) {
if (reg_ip(token) == 0)
return obuf;
else {
stat_inc_serr();
return ebuf;
}
}
/*
* ATTY:2,pid,tty;
* 100:0;
* 200:1,Syntax Error;
*/
if (strncmp(cmd, "ATTY", 4) == 0) {
if (reg_tty(token) == 0)
return obuf;
else {
stat_inc_serr();
return ebuf;
}
}
/*
* ALOG:5,file,program,pid,grade,text;
* 100:0;
* 201:1,errno;
*/
if (strncmp(cmd, "ALOG", 4) == 0) {
if (userlog(token) != 0)
snprintf(obuf, SS_BUFSIZE, "201:1,%d;", oserr);
return obuf;
}
/*
* AUSR:3,pid,user,city;
* 100:0;
* 200:1,Syntax Error;
*/
if (strncmp(cmd, "AUSR", 4) == 0) {
if (reg_user(token) == 0)
return obuf;
else {
stat_inc_serr();
return ebuf;
}
}
/*
* ADIS:2,pid,flag; (set Do Not Disturb).
* 100:0;
* 200:1,Syntax Error;
*/
if (strncmp(cmd, "ADIS", 4) == 0) {
if (reg_silent(token) == 0)
return obuf;
else {
stat_inc_serr();
return ebuf;
}
}
/*
* ATIM:2,pid,seconds;
* 100:0;
* 200:1,Syntax Error;
*/
if (strncmp(cmd, "ATIM", 4) == 0) {
if (reg_timer(TRUE, token) == 0)
return obuf;
else {
stat_inc_serr();
return ebuf;
}
}
/*
* ADEF:1,pid;
* 100:0;
*/
if (strncmp(cmd, "ADEF", 4) == 0) {
if (reg_timer(FALSE, token) == 0)
return obuf;
else {
stat_inc_serr();
return ebuf;
}
}
/*
* Check for personal message
*
* CIPM:1,pid; (Is personal message present)
* 100:2,fromname,message;
* 100:0;
*/
if (strncmp(cmd, "CIPM", 4) == 0) {
buf = calloc(SS_BUFSIZE, sizeof(char));
reg_ipm_r(token, buf);
snprintf(obuf, SS_BUFSIZE, "%s", buf);
free(buf);
return obuf;
}
/*
* CSPM:3,fromuser,touser,text; (Send personal message).
* 100:1,n; n: 1=donotdisturb 2=buffer full 3=error
* 100:0;
*/
if (strncmp(cmd, "CSPM", 4) == 0) {
if ((result = reg_spm(token)))
snprintf(obuf, SS_BUFSIZE, "100:1,%d;", result);
return obuf;
}
/*
* CSYS:2,pid,1; Sysop available for chat (from mbmon)
* CSYS:2,pid,0; Sysop goes away (from mbmon)
* 100:0; Allways Ok.
*/
if (strncmp(cmd, "CSYS", 4) == 0) {
reg_sysop(token);
return obuf;
}
/*
* CPAG:2,pid,reason; Page sysop for a chat
* 100:1,n; 1=busy, 2=sysop not available, 3=error
* 100:0; Ok
*/
if (strncmp(cmd, "CPAG", 4) == 0) {
if ((result = reg_page(token))) {
snprintf(obuf, SS_BUFSIZE, "100:1,%d;", result);
}
return obuf;
}
/*
* CCAN:1,pid; Cancel sysop page
* 100:0; Always Ok
*/
if (strncmp(cmd, "CCAN", 4) == 0) {
reg_cancel(token);
return obuf;
}
/*
* Check for sysop page (from mbmon)
*
* CCKP:0;
* 100:3,pid,1,reason; Page is active
* 100:3,pid,0,reason; Page is canceled, but user still online
* 100:0; No page active
*/
if (strncmp(cmd, "CCKP", 4) == 0) {
buf = calloc(SS_BUFSIZE, sizeof(char));
reg_checkpage_r(token, buf);
snprintf(obuf, SS_BUFSIZE, "%s", buf);
free(buf);
return obuf;
}
/*
* Check for sysop in chatmode for forced sysop chat
*
* CISC:1,pid;
* 100:1,1; Yes (and drop into chatmode)
* 100:1,0; No
*/
if (strncmp(cmd, "CISC", 4) == 0) {
buf = calloc(SS_BUFSIZE, sizeof(char));
chat_checksysop_r(token, buf);
snprintf(obuf, SS_BUFSIZE, "%s", buf);
free(buf);
return obuf;
}
/*
* Connect to chatserver
*
* CCON:4,pid,username,unixname,n; Connect to chatserver with username, n=1 user is the sysop
* 100:1,error; If error
* 100:0; Ok
*/
if (strncmp(cmd, "CCON", 4) == 0) {
buf = calloc(SS_BUFSIZE, sizeof(char));
chat_connect_r(token, buf);
snprintf(obuf, SS_BUFSIZE, "%s", buf);
free(buf);
return obuf;
}
/*
* Close chat session
*
* CCLO:1,pid; Leave chatserver
* 100:1,error; Error
* 100:0; Ok
*/
if (strncmp(cmd, "CCLO", 4) == 0) {
buf = calloc(SS_BUFSIZE, sizeof(char));
chat_close_r(token, buf);
snprintf(obuf, SS_BUFSIZE, "%s", buf);
free(buf);
return obuf;
}
/*
* Put message on server
*
* CPUT:2,pid,message; Put message on server
* 100:2,0,error; Error, not fatal and continue chat
* 100:2,1,error; Error, fatal and disconnect
* 100:0; Ok
*/
if (strncmp(cmd, "CPUT", 4) == 0) {
buf = calloc(SS_BUFSIZE, sizeof(char));
chat_put_r(token, buf);
strncpy(obuf, buf, SS_BUFSIZE);
free(buf);
return obuf;
}
/*
* Get message from server
*
* CGET:1,pid; Get message from server
* 100:2,0,message; If message present
* 100:2,1,error; Error and disconnect
* 100:0; No message
*/
if (strncmp(cmd, "CGET", 4) == 0) {
buf = calloc(SS_BUFSIZE, sizeof(char));
chat_get_r(token, buf);
strncpy(obuf, buf, SS_BUFSIZE);
free(buf);
return obuf;
}
/*
* The D(isk) commands.
*/
/*
* DRES:0; Reset and reread disk tables.
* 100:0; Always Ok.
*/
if (strncmp(cmd, "DRES", 4) == 0) {
return disk_reset();
}
/*
* DSPC:1,n; Check free space in MBytes
* 100:2,0,n; No, n = lowest size in MBytes
* 100:2,1,n; Yes, n = lowest size in MBytes
* 100:1,2; Unknown
* 100:1,3; Error
*/
if (strncmp(cmd, "DSPC", 4) == 0) {
buf = calloc(SS_BUFSIZE, sizeof(char));
disk_check_r(token, buf);
snprintf(obuf, SS_BUFSIZE, "%s", buf);
free(buf);
return obuf;
}
/*
* DGFS:0; Get filesystem status.
* 100:n,data1,..,data10;
*/
if (strncmp(cmd, "DGFS", 4) == 0) {
buf = calloc(SS_BUFSIZE, sizeof(char));
disk_getfs_r(buf);
snprintf(obuf, SS_BUFSIZE, "%s", buf);
free(buf);
return obuf;
}
/*
* The G(lobal) commands.
*
* GNOP:1,pid;
* 100:0;
*/
if (strncmp(cmd ,"GNOP", 4) == 0) {
reg_nop(token);
return obuf;
}
/*
* GPNG:n,data;
* 100:n,data;
*/
if (strncmp(cmd, "GPNG", 4) == 0) {
snprintf(obuf, SS_BUFSIZE, "100:%s", token);
return obuf;
}
/*
* GVER:0;
* 100:1,Version ...;
*/
if (strncmp(cmd, "GVER", 4) == 0) {
snprintf(obuf, SS_BUFSIZE, "100:1,Version %s;", VERSION);
return obuf;
}
/*
* GSTA:0;
* 100:19,start,laststart,daily,startups,clients,tot_clients,tot_peak,tot_syntax,tot_comerr,
* today_clients,today_peak,today_syntax,today_comerr,!BBSopen,ZMH,internet,Processing,Load,sequence;
* 201:1,16;
*/
if (strncmp(cmd, "GSTA", 4) == 0) {
buf = calloc(SS_BUFSIZE, sizeof(char));
stat_status_r(buf);
snprintf(obuf, SS_BUFSIZE, "%s", buf);
free(buf);
return obuf;
}
/*
* GMON:1,n; n=1 First time
* 100:7,pid,tty,user,program,city,isdoing,starttime;
* 100:0;
*/
if (strncmp(cmd, "GMON", 4) == 0) {
strtok(token, ",");
strcpy(var1, strtok(NULL, ";"));
buf = calloc(SS_BUFSIZE, sizeof(char));
get_reginfo_r(atoi(var1), buf);
snprintf(obuf, SS_BUFSIZE, "%s", buf);
free(buf);
return obuf;
}
/*
* GSYS:0;
* 100:7,calls,pots_calls,isdn_calls,network_calls,local_calls,startdate,last_caller;
* 201:1,16;
*/
if (strncmp(cmd, "GSYS", 4) == 0) {
buf = calloc(SS_BUFSIZE, sizeof(char));
get_sysinfo_r(buf);
snprintf(obuf, SS_BUFSIZE, "%s", buf);
free(buf);
return obuf;
}
/*
* GLCC:0;
* 100:1,n;
*/
if (strncmp(cmd, "GLCC", 4) == 0) {
buf = calloc(SS_BUFSIZE, sizeof(char));
get_lastcallercount_r(buf);
snprintf(obuf, SS_BUFSIZE, "%s", buf);
free(buf);
return obuf;
}
/*
* GLCR:1,recno;
* 100:9,user,location,level,device,time,mins,calls,speed,actions;
* 201:1,16;
*/
if (strncmp(cmd, "GLCR", 4) == 0) {
strtok(token, ",");
strcpy(var1, strtok(NULL, ";"));
buf = calloc(SS_BUFSIZE, sizeof(char));
get_lastcallerrec_r(atoi(var1), buf);
snprintf(obuf, SS_BUFSIZE, "%s", buf);
free(buf);
return obuf;
}
/*
* The (M)IB commands, SNMP counters.
*/
/*
* MIB Set Mailer Session
*
* MSMS:6,kbrcvd,kbsent,direction,state,freqs;
* 100:0;
*
* kbrcvd Kbytes received
* kbsent KBytes sent
* direction 0=inbount, 1=outbound
* state 0=secure, 1=unsecure, 2=bad session
* type 0=unknown, 1=ftsc, 2=yoohoo, 3=emsi, 4=binkp
* freqs nr of file requests
*/
if (strncmp(cmd, "MSMS", 4) == 0) {
mib_set_mailer(token);
return obuf;
}
/*
* MIB Get Mailer Session
*
* MGMS:0;
* 100:12,kbrcvd,kbsent,sessin,sessout,sess_sec,sess_unseq,sess_bad,ftsc,yoohoo,emsi,binkp,freqs;
*/
if (strncmp(cmd, "MGMS", 4) == 0) {
buf = calloc(SS_BUFSIZE, sizeof(char));
mib_get_mailer_r(buf);
snprintf(obuf, SS_BUFSIZE, "%s", buf);
free(buf);
return obuf;
}
/*
* MIB Set Tosser Netmail
*
* MSTN:3,in,out,bad;
* 100:0;
*/
if (strncmp(cmd, "MSTN", 4) == 0) {
mib_set_netmail(token);
return obuf;
}
/*
* MIB Get Tosser Netmail
*
* MGTN:0;
* 100:3,in,out,bad;
*/
if (strncmp(cmd, "MGTN", 4) == 0) {
buf = calloc(SS_BUFSIZE, sizeof(char));
mib_get_netmail_r(buf);
snprintf(obuf, SS_BUFSIZE, "%s", buf);
free(buf);
return obuf;
}
/*
* MIB Set Tosser Internet-email
*
* MSTI:3,in,out,bad;
* 100:0;
*/
if (strncmp(cmd, "MSTI", 4) == 0) {
mib_set_email(token);
return obuf;
}
/*
* MIB Get Tosser Internet-email
*
* MGTI:0;
* 100:3,in,out,bad;
*/
if (strncmp(cmd, "MGTI", 4) == 0) {
buf = calloc(SS_BUFSIZE, sizeof(char));
mib_get_email_r(buf);
snprintf(obuf, SS_BUFSIZE, "%s", buf);
free(buf);
return obuf;
}
/*
* MIB Set Tosser Echomail
*
* MSTE:4,in,out,bad,dupe;
* 100:0;
*/
if (strncmp(cmd, "MSTE", 4) == 0) {
mib_set_echo(token);
return obuf;
}
/*
* MIB Get Tosser Echomail
*
* MGTE:0;
* 100:4,in,out,bad,dupe;
*/
if (strncmp(cmd, "MGTE", 4) == 0) {
buf = calloc(SS_BUFSIZE, sizeof(char));
mib_get_echo_r(buf);
snprintf(obuf, SS_BUFSIZE, "%s", buf);
free(buf);
return obuf;
}
/*
* MIB Set Tosser RFC-news
*
* MSTR:4,in,out,bad,dupe;
* 100:0;
*/
if (strncmp(cmd, "MSTR", 4) == 0) {
mib_set_news(token);
return obuf;
}
/*
* MIB Get Tosser RFC-news
*
* MGTR:0;
* 100:4,in,out,bad,dupe;
*/
if (strncmp(cmd, "MGTR", 4) == 0) {
buf = calloc(SS_BUFSIZE, sizeof(char));
mib_get_news_r(buf);
snprintf(obuf, SS_BUFSIZE, "%s", buf);
free(buf);
return obuf;
}
/*
* MIB Get Tosser Totals
*
* MGTT:0;
* 100:4,in,out,bad,dupe;
*/
if (strncmp(cmd, "MGTT", 4) == 0) {
buf = calloc(SS_BUFSIZE, sizeof(char));
mib_get_tosser_r(buf);
snprintf(obuf, SS_BUFSIZE, "%s", buf);
free(buf);
return obuf;
}
/*
* MIB Set Tosser Files
*
* MSFF:6,in,out,bad,dupe,magics,hatched;
* 100:0;
*/
if (strncmp(cmd, "MSTF", 4) == 0) {
mib_set_files(token);
return obuf;
}
/*
* MIB Get Tosser Files
*
* MGFF:0;
* 100:6,in,out,bad,dupe,magics,hatched;
*/
if (strncmp(cmd, "MGTF", 4) == 0) {
buf = calloc(SS_BUFSIZE, sizeof(char));
mib_get_files_r(buf);
snprintf(obuf, SS_BUFSIZE, "%s", buf);
free(buf);
return obuf;
}
/*
* MIB Set BBS
*
* MSBB:9,sessions,minutes,posted,uploads,kbupload,downloads,kbdownload,chats,chatminutes;
* 100:0;
*/
if (strncmp(cmd, "MSBB", 4) == 0) {
mib_set_bbs(token);
return obuf;
}
/*
* MIB Get BBS
*
* MGBB:0;
* 100:9,sessions,minutes,posted,uploads,kbupload,downloads,kbdownload,chats,chatminutes;
*/
if (strncmp(cmd, "MGBB", 4) == 0) {
buf = calloc(SS_BUFSIZE, sizeof(char));
mib_get_bbs_r(buf);
snprintf(obuf, SS_BUFSIZE, "%s", buf);
free(buf);
return obuf;
}
/*
* MIB Get Outbound Size
*
* MGOB:0;
* 100:1,size;
*/
if (strncmp(cmd, "MGOB", 4) == 0) {
buf = calloc(SS_BUFSIZE, sizeof(char));
mib_get_outsize_r(buf);
snprintf(obuf, SS_BUFSIZE, "%s", buf);
free(buf);
return obuf;
}
/*
* The (S)tatus commands.
*
* SBBS:0;
* 100:2,n,status message;
*/
if (strncmp(cmd, "SBBS", 4) == 0) {
switch(stat_bbs_stat()) {
case 0: snprintf(obuf, SS_BUFSIZE, "100:2,0,The system is open for use;");
break;
case 1: snprintf(obuf, SS_BUFSIZE, "100:2,1,The system is closed right now!;");
break;
case 2: snprintf(obuf, SS_BUFSIZE, "100:2,2,The system is closed for Zone Mail Hour!;");
break;
}
return obuf;
}
/*
* SOPE:0;
* 100:0;
*/
if (strncmp(cmd, "SOPE", 4) == 0) {
stat_set_open(1);
return obuf;
}
/*
* SCLO:0;
* 100:0;
*/
if (strncmp(cmd, "SCLO", 4) == 0) {
stat_set_open(0);
return obuf;
}
/*
* SFRE:0;
* 100:1,Running utilities: n Active users: n;
* 100:0;
* 201:1,16;
*/
if (strncmp(cmd, "SFRE", 4) == 0) {
buf = calloc(SS_BUFSIZE, sizeof(char));
reg_fre_r(buf);
snprintf(obuf, SS_BUFSIZE, "%s", buf);
free(buf);
return obuf;
}
/*
* SSEQ:0;
* 100:1,number;
* 200:1,16;
*/
if (strncmp(cmd, "SSEQ", 4) == 0) {
buf = calloc(SS_BUFSIZE, sizeof(char));
getseq_r(buf);
snprintf(obuf, SS_BUFSIZE, "%s", buf);
free(buf);
return obuf;
}
/*
* SEST:1,semafore; Get status of semafore
* 100:1,n; 1 = set, 0 = not set
* 200:1,16;
*/
if (strncmp(cmd, "SEST", 4) == 0) {
buf = calloc(SS_BUFSIZE, sizeof(char));
sem_status_r(token, buf);
snprintf(obuf, SS_BUFSIZE, "%s", buf);
free(buf);
return obuf;
}
/*
* SECR:1,semafore; Set semafore
* 100:0;
* 200:1,16;
*/
if (strncmp(cmd, "SECR", 4) == 0) {
buf = calloc(SS_BUFSIZE, sizeof(char));
sem_create_r(token, buf);
snprintf(obuf, SS_BUFSIZE, "%s", buf);
free(buf);
return obuf;
}
/*
* SERM:1,semafore; Remove semafore
* 100:0;
* 200:1,16;
*/
if (strncmp(cmd, "SERM", 4) == 0) {
buf = calloc(SS_BUFSIZE, sizeof(char));
sem_remove_r(token, buf);
snprintf(obuf, SS_BUFSIZE, "%s", buf);
free(buf);
return obuf;
}
/*
* If we got this far, there must be an error.
*/
stat_inc_serr();
Syslog('!', "Comm systax error: \"%s:%s\"", cmd, printable(token, 0));
return ebuf;
}
void do_cmd(char *cmd)
{
char buf[SS_BUFSIZE];
int slen, tries = 0;
if (logtrans)
Syslog('-', "< %s", cmd);
snprintf(buf, SS_BUFSIZE, "%s", exe_cmd(cmd));
if (logtrans)
Syslog('-', "> %s", buf);
for (;;) {
slen = sendto(sock, buf, strlen(buf), 0, (struct sockaddr *)&from, fromlen);
if (slen == -1)
Syslog('?', "$do_cmd(): sendto error %d %s", tries, from.sun_path);
else if (slen != strlen(buf))
Syslog('?', "do_cmd(): send %d of %d bytes, try=%d", slen, strlen(buf), tries);
else
return;
tries++;
if (tries == 3)
return;
sleep(1);
}
}
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