source: branches/monitor-improvement/module-monitor.c@ 1195

Last change on this file since 1195 was 1195, checked in by alno, 12 years ago

WebIf:

  • fix compilerwarnings (Ticket #348)
  • whitespace
File size: 17.4 KB
Line 
1#include "globals.h"
2#ifdef CS_WITH_GBOX
3# include "csgbox/gbox.h"
4# define CS_VERSION_X CS_VERSION "-gbx-" GBXVERSION
5#else
6# define CS_VERSION_X CS_VERSION
7#endif
8
9static int auth = 0;
10
11static void monitor_check_ip()
12{
13 int ok=0;
14 struct s_ip *p_ip;
15
16 if (auth) return;
17 for (p_ip=cfg->mon_allowed; (p_ip) && (!ok); p_ip=p_ip->next)
18 ok=((client[cs_idx].ip>=p_ip->ip[0]) && (client[cs_idx].ip<=p_ip->ip[1]));
19 if (!ok)
20 {
21 cs_auth_client((struct s_auth *)0, "invalid ip");
22 cs_exit(0);
23 }
24}
25
26static void monitor_auth_client(char *usr, char *pwd)
27{
28 struct s_auth *account;
29
30 if (auth) return;
31 if ((!usr) || (!pwd))
32 {
33 cs_auth_client((struct s_auth *)0, NULL);
34 cs_exit(0);
35 }
36 for (account=cfg->account, auth=0; (account) && (!auth);)
37 {
38 if (account->monlvl)
39 auth=!(strcmp(usr, account->usr) | strcmp(pwd, account->pwd));
40 if (!auth)
41 account=account->next;
42 }
43 if (!auth)
44 {
45 cs_auth_client((struct s_auth *)0, "invalid account");
46 cs_exit(0);
47 }
48 if (cs_auth_client(account, NULL))
49 cs_exit(0);
50}
51
52static int secmon_auth_client(uchar *ucrc)
53{
54 ulong crc;
55 struct s_auth *account;
56
57 if (auth)
58 {
59 int s=memcmp(client[cs_idx].ucrc, ucrc, 4);
60 if (s)
61 cs_log("wrong user-crc or garbage !?");
62 return(!s);
63 }
64 client[cs_idx].crypted=1;
65 crc=(ucrc[0]<<24) | (ucrc[1]<<16) | (ucrc[2]<<8) | ucrc[3];
66 for (account=cfg->account; (account) && (!auth); account=account->next)
67 if ((account->monlvl) &&
68 (crc==crc32(0L, MD5((unsigned char *)account->usr, strlen(account->usr), NULL), 16)))
69 {
70 memcpy(client[cs_idx].ucrc, ucrc, 4);
71 aes_set_key((char *)MD5((unsigned char *)account->pwd, strlen(account->pwd), NULL));
72 if (cs_auth_client(account, NULL))
73 cs_exit(0);
74 auth=1;
75 }
76 if (!auth)
77 {
78 cs_auth_client((struct s_auth *)0, "invalid user");
79 cs_exit(0);
80 }
81 return(auth);
82}
83
84int monitor_send_idx(int idx, char *txt)
85{
86 int l;
87 unsigned char buf[256+32];
88 if (!client[idx].udp_fd)
89 return(-1);
90 usleep(500L); // avoid lost udp-pakets ..
91 if (!client[idx].crypted)
92 return(sendto(client[idx].udp_fd, txt, strlen(txt), 0,
93 (struct sockaddr *)&client[idx].udp_sa,
94 sizeof(client[idx].udp_sa)));
95 buf[0]='&';
96 buf[9]=l=strlen(txt);
97 l=boundary(4, l+5)+5;
98 memcpy(buf+1, client[idx].ucrc, 4);
99 strcpy((char *)buf+10, txt);
100 memcpy(buf+5, i2b(4, crc32(0L, buf+10, l-10)), 4);
101 aes_encrypt_idx(idx, buf+5, l-5);
102 return(sendto(client[idx].udp_fd, buf, l, 0,
103 (struct sockaddr *)&client[idx].udp_sa,
104 sizeof(client[idx].udp_sa)));
105}
106
107#define monitor_send(t) monitor_send_idx(cs_idx, t)
108
109static int monitor_recv(uchar *buf, int l)
110{
111 int n;
112 uchar nbuf[3] = { 'U', 0, 0 };
113 static int bpos=0;
114 static uchar *bbuf=NULL;
115 if (!bbuf)
116 {
117 bbuf=(uchar *)malloc(l);
118 if (!bbuf)
119 {
120 cs_log("Cannot allocate memory (errno=%d)", errno);
121 cs_exit(1);
122 }
123 }
124 if (bpos)
125 memcpy(buf, bbuf, n=bpos);
126 else
127 n=recv_from_udpipe(buf);
128 bpos=0;
129 if (!n) return(buf[0]=0);
130 if (buf[0]=='&')
131 {
132 int bsize;
133 if (n<21) // 5+16 is minimum
134 {
135 cs_log("packet to short !");
136 return(buf[0]=0);
137 }
138 if (!secmon_auth_client(buf+1))
139 return(buf[0]=0);
140 aes_decrypt(buf+5, 16);
141 bsize=boundary(4, buf[9]+5)+5;
142// cs_log("n=%d bsize=%d", n, bsize);
143 if (n>bsize)
144 {
145// cs_log("DO >>>> copy-back");
146 memcpy(bbuf, buf+bsize, bpos=n-bsize);
147 n=bsize;
148 if (!write(client[cs_idx].ufd, nbuf, sizeof(nbuf))) cs_exit(1); // trigger new event
149 }
150 else if (n<bsize)
151 {
152 cs_log("packet-size mismatch !");
153 return(buf[0]=0);
154 }
155 aes_decrypt(buf+21, n-21);
156 if (memcmp(buf+5, i2b(4, crc32(0L, buf+10, n-10)), 4))
157 {
158 cs_log("CRC error ! wrong password ?");
159 return(buf[0]=0);
160 }
161 n=buf[9];
162 memmove(buf, buf+10, n);
163 }
164 else
165 {
166 uchar *p;
167 monitor_check_ip();
168 buf[n]='\0';
169 if ((p=(uchar *)strchr((char *)buf, 10)) && (bpos=n-(p-buf)-1))
170 {
171 memcpy(bbuf, p+1, bpos);
172 n=p-buf;
173 if (!write(client[cs_idx].ufd, nbuf, sizeof(nbuf))) cs_exit(1); // trigger new event
174 }
175 }
176 buf[n]='\0';
177 n=strlen(trim((char *)buf));
178 if (n) client[cs_idx].last=time((time_t *) 0);
179 return(n);
180}
181
182static void monitor_send_info(char *txt, int last)
183{
184 static int seq=0, counter=0;
185 static char btxt[256] = {0};
186 char buf[8];
187 if (txt)
188 {
189 if (!btxt[0])
190 {
191 counter=0;
192 txt[2]='B';
193 }
194 else
195 counter++;
196 sprintf(buf, "%03d", counter);
197 memcpy(txt+4, buf, 3);
198 txt[3]='0'+seq;
199 }
200 else
201 if (!last)
202 return;
203
204 if (!last)
205 {
206 if (btxt[0]) monitor_send(btxt);
207 strncpy(btxt, txt, sizeof(btxt));
208 return;
209 }
210
211 if (txt && btxt[0])
212 {
213 monitor_send(btxt);
214 txt[2]='E';
215 strncpy(btxt, txt, sizeof(btxt));
216 }
217 else
218 {
219 if (txt)
220 strncpy(btxt, txt, sizeof(btxt));
221 btxt[2]=(btxt[2]=='B') ? 'S' : 'E';
222 }
223
224 if (btxt[0])
225 {
226 monitor_send(btxt);
227 seq=(seq+1)%10;
228 }
229 btxt[0]=0;
230}
231
232int cs_idx2ridx(int idx){
233 int i;
234 for (i = 0; i < CS_MAXREADER; i++)
235 if (reader[i].cs_idx==idx)
236 return(i);
237 return(-1);
238}
239
240char *monitor_get_srvname(int id){
241 struct s_srvid *this = cfg->srvid;
242 static char name[83];
243 for (name[0] = 0; this && (!name[0]); this = this->next)
244 if (this->srvid == id)
245 strncpy(name, this->name, 32);
246 if (!name[0]) sprintf(name, "[%04X]", id);
247 if (!id) name[0] = '\0';
248 return(name);
249}
250
251char *monitor_get_proto(int idx)
252{
253 int i;
254 char *ctyp;
255 switch(client[idx].typ)
256 {
257 case 's': ctyp="server" ; break;
258 case 'n': ctyp="resolver" ; break;
259 case 'l': ctyp="logger" ; break;
260 case 'p':
261 case 'r': if ((i=cs_idx2ridx(idx))<0) // should never happen
262 ctyp=(client[idx].typ=='p') ? "proxy" : "reader";
263 else
264 {
265 switch(reader[i].typ) // TODO like ph
266 {
267 case R_MOUSE : ctyp="mouse"; break;
268 case R_INTERNAL: ctyp="intern"; break;
269 case R_SMART : ctyp="smartreader"; break;
270 case R_CAMD35 : ctyp="camd 3.5x";break;
271 case R_CAMD33 : ctyp="camd 3.3x";break;
272 case R_NEWCAMD : ctyp="newcamd"; break;
273 case R_RADEGAST: ctyp="radegast"; break;
274 case R_SERIAL : ctyp="serial"; break;
275 case R_GBOX : ctyp="gbox"; break;
276#ifdef HAVE_PCSC
277 case R_PCSC : ctyp="pcsc"; break;
278#endif
279 case R_CCCAM : ctyp="cccam"; break;
280 case R_CS378X : ctyp="cs378x"; break;
281 default : ctyp="unknown"; break;
282 }
283 }
284 break;
285 default : ctyp=ph[client[idx].ctyp].desc;
286 }
287 return(ctyp);
288}
289
290static char *monitor_client_info(char id, int i){
291 static char sbuf[256];
292 sbuf[0] = '\0';
293
294 if (client[i].pid){
295 char ldate[16], ltime[16], *usr;
296 int lsec, isec, cnr, con, cau;
297 time_t now;
298 struct tm *lt;
299 now=time((time_t)0);
300
301 if ((cfg->mon_hideclient_to <= 0) ||
302 (now-client[i].lastecm < cfg->mon_hideclient_to) ||
303 (now-client[i].lastemm < cfg->mon_hideclient_to) ||
304 (client[i].typ != 'c'))
305 {
306 lsec=now-client[i].login;
307 isec=now-client[i].last;
308 usr=client[i].usr;
309 if (((client[i].typ == 'r') || (client[i].typ == 'p')) && (con=cs_idx2ridx(i)) >= 0)
310 usr=reader[con].label;
311 if (client[i].dup)
312 con=2;
313 else
314 if ((client[i].tosleep) && (now-client[i].lastswitch>client[i].tosleep))
315 con = 1;
316 else
317 con = 0;
318 if (i - cdiff > 0)
319 cnr = i - cdiff;
320 else
321 cnr=(i > 1) ? i - 1 : 0;
322 if( (cau = client[i].au + 1) )
323 if ((now-client[i].lastemm) /60 > cfg->mon_aulow)
324 cau=-cau;
325 lt = localtime(&client[i].login);
326 sprintf(ldate, "%2d.%02d.%02d", lt->tm_mday, lt->tm_mon+1, lt->tm_year % 100);
327 sprintf(ltime, "%2d:%02d:%02d", lt->tm_hour, lt->tm_min, lt->tm_sec);
328 sprintf(sbuf, "[%c--CCC]%d|%c|%d|%s|%d|%d|%s|%d|%s|%s|%s|%d|%04X:%04X|%s|%d|%d\n",
329 id, client[i].pid, client[i].typ, cnr, usr, cau, client[i].crypted,
330 cs_inet_ntoa(client[i].ip), client[i].port, monitor_get_proto(i),
331 ldate, ltime, lsec, client[i].last_caid, client[i].last_srvid,
332 monitor_get_srvname(client[i].last_srvid), isec, con);
333 }
334 }
335 return(sbuf);
336}
337
338static void monitor_process_info(){
339 int i;
340 time_t now = time((time_t)0);
341
342 for (i = 0; i < CS_MAXPID; i++){
343 if ((cfg->mon_hideclient_to <= 0) ||
344 ( now-client[i].lastecm < cfg->mon_hideclient_to) ||
345 ( now-client[i].lastemm < cfg->mon_hideclient_to) ||
346 ( client[i].typ != 'c')){
347 if (client[i].pid) {
348 if ((client[cs_idx].monlvl < 2) && (client[i].typ != 's')) {
349 if ((strcmp(client[cs_idx].usr, client[i].usr)) ||
350 ((client[i].typ != 'c') && (client[i].typ != 'm')))
351 continue;
352 }
353 monitor_send_info(monitor_client_info('I', i), 0);
354 }
355 }
356 }
357 monitor_send_info(NULL, 1);
358}
359
360static void monitor_send_details(char *txt, int pid){
361 char buf[256];
362 snprintf(buf, 255, "[D-----]%d|%s\n", pid, txt);
363 monitor_send_info(buf, 0);
364}
365
366static void monitor_send_details_version(){
367 char buf[256];
368 sprintf(buf, "[V-0000]version=%s, build=%s, system=%s%s\n", CS_VERSION_X, CS_SVN_VERSION, cs_platform(buf + 100), buf + 200);
369 monitor_send_info(buf, 1);
370}
371
372static void monitor_process_details_master(char *buf, int pid){
373 if (cfg->nice != 99)
374 sprintf(buf + 200, ", nice=%d", cfg->nice);
375 else
376 buf[200] = '\0';
377 sprintf(buf, "version=%s#%s, system=%s%s", CS_VERSION_X, CS_SVN_VERSION, cs_platform(buf + 100), buf + 200);
378 monitor_send_details(buf, pid);
379
380 sprintf(buf, "max. clients=%d, client max. idle=%ld sec", CS_MAXPID - 2, cfg->cmaxidle);
381 monitor_send_details(buf, pid);
382
383 if( cfg->max_log_size )
384 sprintf(buf + 200, "%d Kb", cfg->max_log_size);
385 else
386 strcpy(buf + 200, "unlimited");
387 sprintf(buf, "max. logsize=%s", buf + 200);
388 monitor_send_details(buf, pid);
389
390 sprintf(buf, "client timeout=%lu ms, cache delay=%ld ms", cfg->ctimeout, cfg->delay);
391 monitor_send_details(buf, pid);
392
393//#ifdef CS_NOSHM
394// sprintf(buf, "shared memory initialized (size=%d, fd=%d)", shmsize, shmid);
395//#else
396// sprintf(buf, "shared memory initialized (size=%d, id=%d)", shmsize, shmid);
397//#endif
398// monitor_send_details(buf, pid);
399}
400
401#ifdef CS_RDR_INIT_HIST
402static void monitor_process_details_reader(int pid, int idx){
403 int r_idx;
404 char *p;
405 if ((r_idx=cs_idx2ridx(idx))>=0)
406 for (p=(char *)reader[r_idx].init_history; *p; p+=strlen(p)+1)
407 monitor_send_details(p, pid);
408 else
409 monitor_send_details("Missing reader index !", pid);
410}
411#endif
412
413static void monitor_process_details(char *arg){
414 int pid, idx;
415 char sbuf[256];
416 if (!arg) return;
417 if ((idx = idx_from_pid(pid = atoi(arg))) < 0)
418 monitor_send_details("Invalid PID", pid);
419 else
420 {
421 monitor_send_info(monitor_client_info('D', idx), 0);
422 switch(client[idx].typ)
423 {
424 case 's':
425 monitor_process_details_master(sbuf, pid);
426 break;
427 case 'c': case 'm':
428 break;
429 case 'r':
430#ifdef CS_RDR_INIT_HIST
431 monitor_process_details_reader(pid, idx);
432#endif
433 break;
434 case 'p':
435 break;
436 }
437 }
438 monitor_send_info(NULL, 1);
439}
440
441static void monitor_send_login(void){
442 char buf[64];
443 if (auth)
444 sprintf(buf, "[A-0000]1|%s logged in\n", client[cs_idx].usr);
445 else
446 strcpy(buf, "[A-0000]0|not logged in\n");
447 monitor_send_info(buf, 1);
448}
449
450static void monitor_login(char *usr){
451 char *pwd=NULL;
452 if ((usr) && (pwd=strchr(usr, ' ')))
453 *pwd++=0;
454 if (pwd)
455 monitor_auth_client(trim(usr), trim(pwd));
456 else
457 monitor_auth_client(NULL, NULL);
458 monitor_send_login();
459}
460
461static void monitor_logsend(char *flag){
462#ifdef CS_LOGHISTORY
463 int i;
464#endif
465 if (strcmp(flag, "on")) {
466 if (strcmp(flag, "onwohist")) {
467 client[cs_idx].log=0;
468 return;
469 }
470 }
471
472 if (client[cs_idx].log) // already on
473 return;
474#ifdef CS_LOGHISTORY
475 if (!strcmp(flag, "on")){
476 for (i = (*loghistidx + 3) % CS_MAXLOGHIST; i != *loghistidx; i = (i + 1) % CS_MAXLOGHIST){
477 char *p_usr, *p_txt;
478 p_usr=(char *)(loghist+(i*CS_LOGHISTSIZE));
479 p_txt = p_usr + 32;
480 if ((p_txt[0]) && ((client[cs_idx].monlvl > 1) || (!strcmp(p_usr, client[cs_idx].usr)))) {
481 char sbuf[8];
482 sprintf(sbuf, "%03d", client[cs_idx].logcounter);
483 client[cs_idx].logcounter=(client[cs_idx].logcounter + 1) % 1000;
484 memcpy(p_txt + 4, sbuf, 3);
485 monitor_send(p_txt);
486 }
487 }
488 }
489#endif
490 client[cs_idx].log=1;
491}
492
493static void monitor_set_debuglevel(char *flag){
494 cs_dblevel^=atoi(flag);
495 kill(client[0].pid, SIGUSR1);
496}
497
498static void monitor_set_account(char *args){
499 struct s_auth *account;
500 char delimiter[] = " =";
501 char *ptr;
502 int argidx, i, found;
503 char *argarray[3];
504 char *token[]={"au", "sleep", "uniq", "monlevel", "group", "services", "betatunnel", "ident", "caid", "chid", "class", "hostname"};
505 char buf[256];
506
507 argidx=0;
508 found=0;
509
510 ptr = strtok(args, delimiter);
511
512 // resolve arguments
513 while(ptr != NULL) {
514 argarray[argidx]=trim(ptr);
515 ptr = strtok(NULL, delimiter);
516 argidx++;
517 }
518
519 if(argidx != 3) {
520 sprintf(buf, "[S-0000]setuser failed - wrong number of parameters (%d)\n", argidx);
521 monitor_send_info(buf, 1);
522 return;
523 }
524
525 //search account
526 for (account=cfg->account; (account) ; account=account->next){
527 if (!strcmp(argarray[0], account->usr)){
528 found=1;
529 break;
530 }
531 }
532
533 if (found != 1){
534 sprintf(buf, "[S-0000]setuser failed - user %s not found\n", argarray[0]);
535 monitor_send_info(buf, 1);
536 return;
537 }
538
539 found=0;
540 for (i=0; i<12; i++){
541 if (!strcmp(argarray[1], token[i])){
542 chk_account(token[i],argarray[2],account);
543 found = 1;
544 }
545 }
546
547 if (found != 1){
548 sprintf(buf, "[S-0000]setuser failed - parameter %s not exist", argarray[1]);
549 monitor_send_info(buf, 1);
550 return;
551 }
552
553 cs_reinit_clients();
554
555 sprintf(buf, "[S-0000]setuser %s done - param %s set to %s\n", argarray[0], argarray[1], argarray[2]);
556 monitor_send_info(buf, 1);
557}
558
559static void monitor_set_server(char *args){
560 char delimiter[] = "=";
561 char *ptr;
562 int argidx, i, found;
563 char *argarray[3];
564 char *token[]={"clienttimeout", "fallbacktimeout", "clientmaxidle", "cachedelay", "bindwait", "netprio", "resolvedelay", "sleep", "unlockparental", "serialreadertimeout", "maxlogsize", "showecmdw", "waitforcards", "preferlocalcards"};
565 char buf[256];
566
567 argidx=0; found=0;
568 ptr = strtok(args, delimiter);
569
570 // resolve arguments
571 while(ptr != NULL) {
572 argarray[argidx]=trim(ptr);
573 ptr = strtok(NULL, delimiter);
574 argidx++;
575 }
576
577 if(argidx != 2) {
578 sprintf(buf, "[S-0000]setserver failed - wrong number of parameters (%d)\n", argidx);
579 monitor_send_info(buf, 1);
580 return;
581 }
582
583 trim(argarray[0]);
584 trim(argarray[1]);
585 strtolower(argarray[0]);
586
587 found = 0;
588 for (i = 0; i < 14; i++)
589 if (!strcmp(argarray[0], token[i])) found = 1;
590
591 if (found != 1){
592 chk_t_global(token[i],argarray[1]);
593 sprintf(buf, "[S-0000]setserver done - param %s set to %s\n", argarray[0], argarray[1]);
594 monitor_send_info(buf, 1);
595 } else {
596 sprintf(buf, "[S-0000]setserver failed - parameter %s not exist", argarray[0]);
597 monitor_send_info(buf, 1);
598 return;
599 }
600
601 if (cfg->ftimeout>=cfg->ctimeout) {
602 cfg->ftimeout = cfg->ctimeout - 100;
603 sprintf(buf, "[S-0000]setserver WARNING: fallbacktimeout adjusted to %lu ms", cfg->ftimeout);
604 monitor_send_info(buf, 1);
605 }
606 if(cfg->ftimeout < cfg->srtimeout) {
607 cfg->ftimeout = cfg->srtimeout + 100;
608 sprintf(buf, "[S-0000]setserver WARNING: fallbacktimeout adjusted to %lu ms", cfg->ftimeout);
609 monitor_send_info(buf, 1);
610 }
611 if(cfg->ctimeout < cfg->srtimeout) {
612 cfg->ctimeout = cfg->srtimeout + 100;
613 sprintf(buf, "[S-0000]setserver WARNING: clienttimeout adjusted to %lu ms", cfg->ctimeout);
614 monitor_send_info(buf, 1);
615 }
616 //kill(client[0].pid, SIGUSR1);
617}
618
619static int monitor_process_request(char *req)
620{
621 int i, rc;
622 char *cmd[] = {"login", "exit", "log", "status", "shutdown", "reload", "details", "version", "debug", "setuser", "setserver"};
623 int cmdcnt = sizeof(cmd)/sizeof(char *); // Calculate the amount of items in array
624 char *arg;
625
626 if( (arg = strchr(req, ' ')) ) { *arg++ = 0; trim(arg); }
627 //trim(req);
628 if ((!auth) && (strcmp(req, cmd[0]))) monitor_login(NULL);
629
630 for (rc=1, i = 0; i < cmdcnt; i++)
631 if (!strcmp(req, cmd[i])) {
632 switch(i) {
633 case 0: monitor_login(arg); break; // login
634 case 1: rc=0; break; // exit
635 case 2: monitor_logsend(arg); break; // log
636 case 3: monitor_process_info(); break; // status
637 case 4: if (client[cs_idx].monlvl > 3) kill(client[0].pid, SIGQUIT); break; // shutdown
638 case 5: if (client[cs_idx].monlvl > 2) kill(client[0].pid, SIGHUP); break; // reload
639 case 6: monitor_process_details(arg); break; // details
640 case 7: monitor_send_details_version(); break; // version
641 case 8: if (client[cs_idx].monlvl > 3) monitor_set_debuglevel(arg); break; // debuglevel
642 case 9: if (client[cs_idx].monlvl > 3) monitor_set_account(arg); break; // setuser
643 case 10: if (client[cs_idx].monlvl > 3) monitor_set_server(arg); break; // setserver
644 default: continue;
645 }
646 break;
647 }
648 return(rc);
649}
650
651static void monitor_server(){
652 int n;
653 client[cs_idx].typ='m';
654 while (((n = process_input(mbuf, sizeof(mbuf), cfg->cmaxidle)) >= 0) && monitor_process_request((char *)mbuf));
655 cs_disconnect_client();
656}
657
658void module_monitor(struct s_module *ph){
659 static PTAB ptab;
660 ptab.ports[0].s_port = cfg->mon_port;
661 ph->ptab = &ptab;
662 ph->ptab->nports = 1;
663
664 if (cfg->mon_aulow < 1)
665 cfg->mon_aulow = 30;
666 strcpy(ph->desc, "monitor");
667 ph->type=MOD_CONN_UDP;
668 ph->multi = 0;
669 ph->watchdog = 1;
670 ph->s_ip = cfg->mon_srvip;
671 ph->s_handler = monitor_server;
672 ph->recv = monitor_recv;
673// ph->send_dcw=NULL;
674}
675
676
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