/[cvs]/eggdrop1.8/src/tcl.c
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Revision 1.9.2.6 - (hide annotations) (download) (as text)
Wed Jul 31 01:14:54 2013 UTC (5 years, 9 months ago) by thommey
Branch: gettext
Changes since 1.9.2.5: +4 -146 lines
File MIME type: text/x-chdr
apply two patches of guppy that were missing

1 simple 1.1 /*
2     * tcl.c -- handles:
3     * the code for every command eggdrop adds to Tcl
4     * Tcl initialization
5     * getting and setting Tcl/eggdrop variables
6     *
7 thommey 1.9.2.6 * $Id: tcl.c,v 1.9.2.5 2012/06/19 14:27:06 thommey Exp $
8 simple 1.1 */
9     /*
10     * Copyright (C) 1997 Robey Pointer
11     * Copyright (C) 1999 - 2010 Eggheads Development Team
12     *
13     * This program is free software; you can redistribute it and/or
14     * modify it under the terms of the GNU General Public License
15     * as published by the Free Software Foundation; either version 2
16     * of the License, or (at your option) any later version.
17     *
18     * This program is distributed in the hope that it will be useful,
19     * but WITHOUT ANY WARRANTY; without even the implied warranty of
20     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21     * GNU General Public License for more details.
22     *
23     * You should have received a copy of the GNU General Public License
24     * along with this program; if not, write to the Free Software
25     * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
26     */
27    
28     #include <stdlib.h> /* getenv() */
29     #include <locale.h> /* setlocale() */
30     #include "main.h"
31    
32     /* Used for read/write to internal strings */
33     typedef struct {
34     char *str; /* Pointer to actual string in eggdrop */
35     int max; /* max length (negative: read-only var
36     * when protect is on) (0: read-only ALWAYS) */
37     int flags; /* 1 = directory */
38     } strinfo;
39    
40     typedef struct {
41     int *var;
42     int ro;
43     } intinfo;
44    
45    
46     extern time_t online_since;
47    
48     extern char origbotname[], botuser[], motdfile[], admin[], userfile[],
49 pseudo 1.2 firewall[], helpdir[], notify_new[], vhost[], moddir[],
50 simple 1.1 tempdir[], owner[], network[], botnetnick[], bannerfile[],
51     egg_version[], natip[], configfile[], logfile_suffix[], log_ts[],
52 pseudo 1.2 textdir[], pid_file[], listen_ip[];
53    
54 simple 1.1
55     extern int flood_telnet_thr, flood_telnet_time, shtime, share_greet,
56     require_p, keep_all_logs, allow_new_telnets, stealth_telnets,
57     use_telnet_banner, default_flags, conmask, switch_logfiles_at,
58     connect_timeout, firewallport, notify_users_at, flood_thr, tands,
59 pseudo 1.5 ignore_time, reserved_port_min, reserved_port_max, max_logs,
60     max_logsize, dcc_total, raw_log, identtimeout, dcc_sanitycheck,
61     dupwait_timeout, egg_numver, share_unlinks, protect_telnet,
62 pseudo 1.6 strict_host, resolve_timeout, default_uflags, userfile_perm,
63     cidr_support;
64 simple 1.1
65 pseudo 1.2 #ifdef IPV6
66     extern char vhost6[];
67     extern int pref_af;
68     #endif
69    
70 pseudo 1.4 #ifdef TLS
71     extern int tls_maxdepth, tls_vfybots, tls_vfyclients, tls_vfydcc, tls_auth;
72     extern char tls_capath[], tls_cafile[], tls_certfile[], tls_keyfile[],
73     tls_ciphers[];
74     #endif
75    
76 simple 1.1 extern struct dcc_t *dcc;
77     extern tcl_timer_t *timer, *utimer;
78    
79     Tcl_Interp *interp;
80    
81     int protect_readonly = 0; /* Enable read-only protection? */
82     char whois_fields[1025] = "";
83    
84     int dcc_flood_thr = 3;
85     int use_invites = 0;
86     int use_exempts = 0;
87     int force_expire = 0;
88     int remote_boots = 2;
89     int allow_dk_cmds = 1;
90     int must_be_owner = 1;
91     int quiet_reject = 1;
92     int copy_to_tmp = 1;
93     int max_socks = 100;
94     int quick_logs = 0;
95     int par_telnet_flood = 1;
96     int quiet_save = 0;
97     int strtot = 0;
98     int handlen = HANDLEN;
99     int utftot = 0;
100     int clientdata_stuff = 0;
101    
102     /* Prototypes for Tcl */
103     Tcl_Interp *Tcl_CreateInterp();
104    
105     int expmem_tcl()
106     {
107     return strtot + utftot + clientdata_stuff;
108     }
109    
110     static void botnet_change(char *new)
111     {
112     if (egg_strcasecmp(botnetnick, new)) {
113     /* Trying to change bot's nickname */
114     if (tands > 0) {
115 pseudo 1.9.2.1 putlog(LOG_MISC, "*", _("* Tried to change my botnet nick, but I'm still "
116     "linked to a botnet."));
117     putlog(LOG_MISC, "*", _("* (Unlink and try again.)"));
118 simple 1.1 return;
119     } else {
120     if (botnetnick[0])
121 pseudo 1.9.2.1 putlog(LOG_MISC, "*", _("* IDENTITY CHANGE: %s -> %s"), botnetnick, new);
122 simple 1.1 strcpy(botnetnick, new);
123     }
124     }
125     }
126    
127    
128     /*
129     * Vars, traces, misc
130     */
131    
132     int init_misc();
133    
134     /* Used for read/write to integer couplets */
135     typedef struct {
136     int *left; /* left side of couplet */
137     int *right; /* right side */
138     } coupletinfo;
139    
140     /* FIXME: tcl_eggcouplet() should be redesigned so we can use
141     * TCL_TRACE_WRITES | TCL_TRACE_READS as the bit mask instead
142     * of 2 calls as is done in add_tcl_coups().
143     */
144     /* Read/write integer couplets (int1:int2) */
145     static char *tcl_eggcouplet(ClientData cdata, Tcl_Interp *irp,
146     EGG_CONST char *name1,
147     EGG_CONST char *name2, int flags)
148     {
149     char *s, s1[41];
150     coupletinfo *cp = (coupletinfo *) cdata;
151    
152     if (flags & (TCL_TRACE_READS | TCL_TRACE_UNSETS)) {
153     egg_snprintf(s1, sizeof s1, "%d:%d", *(cp->left), *(cp->right));
154     Tcl_SetVar2(interp, name1, name2, s1, TCL_GLOBAL_ONLY);
155     if (flags & TCL_TRACE_UNSETS)
156     Tcl_TraceVar(interp, name1,
157     TCL_TRACE_READS | TCL_TRACE_WRITES | TCL_TRACE_UNSETS,
158     tcl_eggcouplet, cdata);
159     } else { /* writes */
160     s = (char *) Tcl_GetVar2(interp, name1, name2, 0);
161     if (s != NULL) {
162     int nr1, nr2;
163    
164     nr1 = nr2 = 0;
165    
166     if (strlen(s) > 40)
167     s[40] = 0;
168    
169     sscanf(s, "%d%*c%d", &nr1, &nr2);
170     *(cp->left) = nr1;
171     *(cp->right) = nr2;
172     }
173     }
174     return NULL;
175     }
176    
177     /* Read or write normal integer.
178     */
179     static char *tcl_eggint(ClientData cdata, Tcl_Interp *irp,
180     EGG_CONST char *name1,
181     EGG_CONST char *name2, int flags)
182     {
183     char *s, s1[40];
184     long l;
185     intinfo *ii = (intinfo *) cdata;
186    
187     if (flags & (TCL_TRACE_READS | TCL_TRACE_UNSETS)) {
188     /* Special cases */
189     if ((int *) ii->var == &conmask)
190     strcpy(s1, masktype(conmask));
191     else if ((int *) ii->var == &default_flags) {
192     struct flag_record fr = { FR_GLOBAL, 0, 0, 0, 0, 0 };
193     fr.global = default_flags;
194    
195     fr.udef_global = default_uflags;
196     build_flags(s1, &fr, 0);
197     } else if ((int *) ii->var == &userfile_perm) {
198     egg_snprintf(s1, sizeof s1, "0%o", userfile_perm);
199     } else
200     egg_snprintf(s1, sizeof s1, "%d", *(int *) ii->var);
201     Tcl_SetVar2(interp, name1, name2, s1, TCL_GLOBAL_ONLY);
202     if (flags & TCL_TRACE_UNSETS)
203     Tcl_TraceVar(interp, name1,
204     TCL_TRACE_READS | TCL_TRACE_WRITES | TCL_TRACE_UNSETS,
205     tcl_eggint, cdata);
206     return NULL;
207     } else { /* Writes */
208     s = (char *) Tcl_GetVar2(interp, name1, name2, TCL_GLOBAL_ONLY);
209     if (s != NULL) {
210     if ((int *) ii->var == &conmask) {
211     if (s[0])
212     conmask = logmodes(s);
213     else
214     conmask = LOG_MODES | LOG_MISC | LOG_CMDS;
215     } else if ((int *) ii->var == &default_flags) {
216     struct flag_record fr = { FR_GLOBAL, 0, 0, 0, 0, 0 };
217    
218     break_down_flags(s, &fr, 0);
219     default_flags = sanity_check(fr.global); /* drummer */
220    
221     default_uflags = fr.udef_global;
222     } else if ((int *) ii->var == &userfile_perm) {
223     int p = oatoi(s);
224    
225     if (p <= 0)
226     return "invalid userfile permissions";
227     userfile_perm = p;
228     } else if ((ii->ro == 2) || ((ii->ro == 1) && protect_readonly))
229     return "read-only variable";
230     else {
231     if (Tcl_ExprLong(interp, s, &l) == TCL_ERROR)
232     return "variable must have integer value";
233     if ((int *) ii->var == &max_socks) {
234     if (l < threaddata()->MAXSOCKS)
235     return "you can't DECREASE max-socks below current usage";
236     max_socks = l;
237     } else if ((int *) ii->var == &max_logs) {
238     if (l < max_logs)
239     return "you can't DECREASE max-logs";
240     max_logs = l;
241     init_misc();
242     } else
243     *(ii->var) = (int) l;
244     }
245     }
246     return NULL;
247     }
248     }
249    
250     /* Read/write normal string variable
251     */
252     static char *tcl_eggstr(ClientData cdata, Tcl_Interp *irp,
253     EGG_CONST char *name1,
254     EGG_CONST char *name2, int flags)
255     {
256     char *s;
257     strinfo *st = (strinfo *) cdata;
258    
259     if (flags & (TCL_TRACE_READS | TCL_TRACE_UNSETS)) {
260     if ((st->str == firewall) && (firewall[0])) {
261     char s1[127];
262    
263     egg_snprintf(s1, sizeof s1, "%s:%d", firewall, firewallport);
264     Tcl_SetVar2(interp, name1, name2, s1, TCL_GLOBAL_ONLY);
265     } else
266     Tcl_SetVar2(interp, name1, name2, st->str, TCL_GLOBAL_ONLY);
267     if (flags & TCL_TRACE_UNSETS) {
268     Tcl_TraceVar(interp, name1, TCL_TRACE_READS | TCL_TRACE_WRITES |
269     TCL_TRACE_UNSETS, tcl_eggstr, cdata);
270     if ((st->max <= 0) && (protect_readonly || (st->max == 0)))
271     return "read-only variable"; /* it won't return the error... */
272     }
273     return NULL;
274     } else { /* writes */
275     if ((st->max <= 0) && (protect_readonly || (st->max == 0))) {
276     Tcl_SetVar2(interp, name1, name2, st->str, TCL_GLOBAL_ONLY);
277     return "read-only variable";
278     }
279 thommey 1.9.2.6
280 simple 1.1 s = (char *) Tcl_GetVar2(interp, name1, name2, 0);
281     if (s != NULL) {
282     if (strlen(s) > abs(st->max))
283     s[abs(st->max)] = 0;
284     if (st->str == botnetnick)
285     botnet_change(s);
286     else if (st->str == logfile_suffix)
287     logsuffix_change(s);
288     else if (st->str == firewall) {
289     splitc(firewall, s, ':');
290     if (!firewall[0])
291     strcpy(firewall, s);
292     else
293     firewallport = atoi(s);
294     } else
295     strcpy(st->str, s);
296     if ((st->flags) && (s[0])) {
297     if (st->str[strlen(st->str) - 1] != '/')
298     strcat(st->str, "/");
299     }
300     }
301     return NULL;
302     }
303     }
304    
305     /* Add/remove tcl commands
306     */
307    
308     void add_tcl_commands(tcl_cmds *table)
309     {
310     int i;
311    
312     for (i = 0; table[i].name; i++)
313     Tcl_CreateCommand(interp, table[i].name, table[i].func, NULL, NULL);
314     }
315    
316     void add_cd_tcl_cmds(cd_tcl_cmd *table)
317     {
318     while (table->name) {
319     Tcl_CreateCommand(interp, table->name, table->callback,
320     (ClientData) table->cdata, NULL);
321     table++;
322     }
323     }
324    
325     void rem_tcl_commands(tcl_cmds *table)
326     {
327     int i;
328    
329     for (i = 0; table[i].name; i++)
330     Tcl_DeleteCommand(interp, table[i].name);
331     }
332    
333     void rem_cd_tcl_cmds(cd_tcl_cmd *table)
334     {
335     while (table->name) {
336     Tcl_DeleteCommand(interp, table->name);
337     table++;
338     }
339     }
340    
341     void add_tcl_objcommands(tcl_cmds *table)
342     {
343     int i;
344    
345     for (i = 0; table[i].name; i++)
346     Tcl_CreateObjCommand(interp, table[i].name, table[i].func, (ClientData) 0,
347     NULL);
348     }
349    
350     /* Get the current tcl result string. */
351     const char *tcl_resultstring()
352     {
353     const char *result;
354     result = Tcl_GetStringResult(interp);
355     return result;
356     }
357    
358     int tcl_resultempty() {
359     const char *result;
360     result = tcl_resultstring();
361     return (result && result[0]) ? 0 : 1;
362     }
363    
364     /* Get the current tcl result as int. replaces atoi(interp->result) */
365     int tcl_resultint()
366     {
367     int result;
368     if (Tcl_GetIntFromObj(NULL, Tcl_GetObjResult(interp), &result) != TCL_OK)
369     result = 0;
370     return result;
371     }
372    
373     static tcl_strings def_tcl_strings[] = {
374     {"botnet-nick", botnetnick, HANDLEN, 0},
375     {"userfile", userfile, 120, STR_PROTECT},
376     {"motd", motdfile, 120, STR_PROTECT},
377     {"admin", admin, 120, 0},
378     {"help-path", helpdir, 120, STR_DIR | STR_PROTECT},
379     {"temp-path", tempdir, 120, STR_DIR | STR_PROTECT},
380     {"text-path", textdir, 120, STR_DIR | STR_PROTECT},
381 pseudo 1.4 #ifdef TLS
382     {"ssl-capath", tls_capath, 120, STR_DIR | STR_PROTECT},
383     {"ssl-cafile", tls_cafile, 120, STR_PROTECT},
384     {"ssl-ciphers", tls_ciphers, 120, STR_PROTECT},
385     {"ssl-privatekey", tls_keyfile, 120, STR_PROTECT},
386     {"ssl-certificate", tls_certfile, 120, STR_PROTECT},
387     #endif
388 simple 1.1 #ifndef STATIC
389     {"mod-path", moddir, 120, STR_DIR | STR_PROTECT},
390     #endif
391     {"notify-newusers", notify_new, 120, 0},
392     {"owner", owner, 120, STR_PROTECT},
393 pseudo 1.9 {"vhost4", vhost, 120, 0},
394 pseudo 1.2 #ifdef IPV6
395     {"vhost6", vhost6, 120, 0},
396     #endif
397     {"listen-addr", listen_ip, 120, 0},
398 simple 1.1 {"network", network, 40, 0},
399     {"whois-fields", whois_fields, 1024, 0},
400     {"nat-ip", natip, 120, 0},
401     {"username", botuser, 10, 0},
402     {"version", egg_version, 0, 0},
403     {"firewall", firewall, 120, 0},
404     {"config", configfile, 0, 0},
405     {"telnet-banner", bannerfile, 120, STR_PROTECT},
406     {"logfile-suffix", logfile_suffix, 20, 0},
407     {"timestamp-format",log_ts, 32, 0},
408     {"pidfile", pid_file, 120, STR_PROTECT},
409     {NULL, NULL, 0, 0}
410     };
411    
412     static tcl_ints def_tcl_ints[] = {
413     {"ignore-time", &ignore_time, 0},
414     {"handlen", &handlen, 2},
415 pseudo 1.4 #ifdef TLS
416     {"ssl-chain-depth", &tls_maxdepth, 0},
417     {"ssl-verify-dcc", &tls_vfydcc, 0},
418     {"ssl-verify-clients", &tls_vfyclients, 0},
419     {"ssl-verify-bots", &tls_vfybots, 0},
420     {"ssl-cert-auth", &tls_auth, 0},
421     #endif
422 simple 1.1 {"dcc-flood-thr", &dcc_flood_thr, 0},
423     {"hourly-updates", &notify_users_at, 0},
424     {"switch-logfiles-at", &switch_logfiles_at, 0},
425     {"connect-timeout", &connect_timeout, 0},
426     {"reserved-port", &reserved_port_min, 0},
427     {"require-p", &require_p, 0},
428     {"keep-all-logs", &keep_all_logs, 0},
429     {"open-telnets", &allow_new_telnets, 0},
430     {"stealth-telnets", &stealth_telnets, 0},
431     {"use-telnet-banner", &use_telnet_banner, 0},
432     {"uptime", (int *) &online_since, 2},
433     {"console", &conmask, 0},
434     {"default-flags", &default_flags, 0},
435     {"numversion", &egg_numver, 2},
436     {"remote-boots", &remote_boots, 1},
437     {"max-socks", &max_socks, 0},
438     {"max-logs", &max_logs, 0},
439     {"max-logsize", &max_logsize, 0},
440     {"quick-logs", &quick_logs, 0},
441     {"raw-log", &raw_log, 1},
442     {"protect-telnet", &protect_telnet, 0},
443     {"dcc-sanitycheck", &dcc_sanitycheck, 0},
444     {"ident-timeout", &identtimeout, 0},
445     {"share-unlinks", &share_unlinks, 0},
446     {"log-time", &shtime, 0},
447     {"allow-dk-cmds", &allow_dk_cmds, 0},
448     {"resolve-timeout", &resolve_timeout, 0},
449     {"must-be-owner", &must_be_owner, 1},
450     {"paranoid-telnet-flood", &par_telnet_flood, 0},
451     {"use-exempts", &use_exempts, 0},
452     {"use-invites", &use_invites, 0},
453     {"quiet-save", &quiet_save, 0},
454     {"force-expire", &force_expire, 0},
455     {"dupwait-timeout", &dupwait_timeout, 0},
456     {"strict-host", &strict_host, 0},
457     {"userfile-perm", &userfile_perm, 0},
458     {"copy-to-tmp", &copy_to_tmp, 0},
459     {"quiet-reject", &quiet_reject, 0},
460     {"cidr-support", &cidr_support, 0},
461 pseudo 1.2 #ifdef IPV6
462 pseudo 1.3 {"prefer-ipv6", &pref_af, 0},
463 pseudo 1.2 #endif
464 simple 1.1 {NULL, NULL, 0}
465     };
466    
467     static tcl_coups def_tcl_coups[] = {
468     {"telnet-flood", &flood_telnet_thr, &flood_telnet_time},
469     {"reserved-portrange", &reserved_port_min, &reserved_port_max},
470     {NULL, NULL, NULL}
471     };
472    
473     /* Set up Tcl variables that will hook into eggdrop internal vars via
474     * trace callbacks.
475     */
476     static void init_traces()
477     {
478     add_tcl_coups(def_tcl_coups);
479     add_tcl_strings(def_tcl_strings);
480     add_tcl_ints(def_tcl_ints);
481     }
482    
483     void kill_tcl()
484     {
485     rem_tcl_coups(def_tcl_coups);
486     rem_tcl_strings(def_tcl_strings);
487     rem_tcl_ints(def_tcl_ints);
488     kill_bind();
489     Tcl_DeleteInterp(interp);
490     }
491    
492     extern tcl_cmds tcluser_cmds[], tcldcc_cmds[], tclmisc_cmds[],
493     tclmisc_objcmds[], tcldns_cmds[];
494 pseudo 1.4 #ifdef TLS
495     extern tcl_cmds tcltls_cmds[];
496     #endif
497 simple 1.1
498     #ifdef REPLACE_NOTIFIER
499     /* The tickle_*() functions replace the Tcl Notifier
500     * The tickle_*() functions can be called by Tcl threads
501     */
502     void tickle_SetTimer (TCL_CONST86 Tcl_Time *timePtr)
503     {
504     struct threaddata *td = threaddata();
505     /* we can block 1 second maximum, because we have SECONDLY events */
506     if (!timePtr || timePtr->sec > 1 || (timePtr->sec == 1 && timePtr->usec > 0)) {
507     td->blocktime.tv_sec = 1;
508     td->blocktime.tv_usec = 0;
509     } else {
510     td->blocktime.tv_sec = timePtr->sec;
511     td->blocktime.tv_usec = timePtr->usec;
512     }
513     }
514    
515     int tickle_WaitForEvent (TCL_CONST86 Tcl_Time *timePtr)
516     {
517     struct threaddata *td = threaddata();
518    
519     tickle_SetTimer(timePtr);
520     return (*td->mainloopfunc)(0);
521     }
522    
523     void tickle_CreateFileHandler(int fd, int mask, Tcl_FileProc *proc, ClientData cd)
524     {
525     alloctclsock(fd, mask, proc, cd);
526     }
527    
528     void tickle_DeleteFileHandler(int fd)
529     {
530     killtclsock(fd);
531     }
532    
533     void tickle_FinalizeNotifier(ClientData cd)
534     {
535     struct threaddata *td = threaddata();
536     if (td->socklist)
537     nfree(td->socklist);
538     }
539    
540     ClientData tickle_InitNotifier()
541     {
542     static int ismainthread = 1;
543     init_threaddata(ismainthread);
544     if (ismainthread)
545     ismainthread = 0;
546     return NULL;
547     }
548    
549     int tclthreadmainloop(int zero)
550     {
551     int i;
552     i = sockread(NULL, NULL, threaddata()->socklist, threaddata()->MAXSOCKS, 1);
553 thommey 1.9.2.3 return (i == -5);
554 simple 1.1 }
555    
556     struct threaddata *threaddata()
557     {
558     static Tcl_ThreadDataKey tdkey;
559     struct threaddata *td = Tcl_GetThreadData(&tdkey, sizeof(struct threaddata));
560     return td;
561     }
562    
563     #else /* REPLACE_NOTIFIER */
564    
565     int tclthreadmainloop() { return 0; }
566    
567     struct threaddata *threaddata()
568     {
569     static struct threaddata tsd;
570     return &tsd;
571     }
572    
573     #endif /* REPLACE_NOTIFIER */
574    
575     int init_threaddata(int mainthread)
576     {
577     struct threaddata *td = threaddata();
578 thommey 1.9.2.5 /* Nested evaluation (vwait/update) of the event loop only
579     * processes Tcl events (after/fileevent) for now. Using
580     * eggdrops mainloop() requires caution regarding reentrance.
581     * (check_tcl_* -> Tcl_Eval() -> mainloop() -> check_tcl_* etc.)
582     */
583     /* td->mainloopfunc = mainthread ? mainloop : tclthreadmainloop; */
584     td->mainloopfunc = tclthreadmainloop;
585 simple 1.1 td->socklist = NULL;
586     td->mainthread = mainthread;
587     td->blocktime.tv_sec = 1;
588     td->blocktime.tv_usec = 0;
589     td->MAXSOCKS = 0;
590     increase_socks_max();
591     return 0;
592     }
593    
594     /* Not going through Tcl's crazy main() system (what on earth was he
595     * smoking?!) so we gotta initialize the Tcl interpreter
596     */
597     void init_tcl(int argc, char **argv)
598     {
599     #ifdef REPLACE_NOTIFIER
600     Tcl_NotifierProcs notifierprocs;
601     #endif /* REPLACE_NOTIFIER */
602    
603     const char *encoding;
604 thommey 1.9.2.6 int i, j;
605     char *langEnv, pver[1024] = "";
606 simple 1.1
607     #ifdef REPLACE_NOTIFIER
608     egg_bzero(&notifierprocs, sizeof(notifierprocs));
609     notifierprocs.initNotifierProc = tickle_InitNotifier;
610     notifierprocs.createFileHandlerProc = tickle_CreateFileHandler;
611     notifierprocs.deleteFileHandlerProc = tickle_DeleteFileHandler;
612     notifierprocs.setTimerProc = tickle_SetTimer;
613     notifierprocs.waitForEventProc = tickle_WaitForEvent;
614     notifierprocs.finalizeNotifierProc = tickle_FinalizeNotifier;
615    
616     Tcl_SetNotifier(&notifierprocs);
617     #endif /* REPLACE_NOTIFIER */
618    
619     /* This must be done *BEFORE* Tcl_SetSystemEncoding(),
620     * or Tcl_SetSystemEncoding() will cause a segfault.
621     */
622     /* This is used for 'info nameofexecutable'.
623     * The filename in argv[0] must exist in a directory listed in
624     * the environment variable PATH for it to register anything.
625     */
626     Tcl_FindExecutable(argv[0]);
627    
628     /* Initialize the interpreter */
629     interp = Tcl_CreateInterp();
630    
631     #ifdef DEBUG_MEM
632     /* Initialize Tcl's memory debugging if we want it */
633     Tcl_InitMemory(interp);
634     #endif
635    
636     /* Set Tcl variable tcl_interactive to 0 */
637     Tcl_SetVar(interp, "tcl_interactive", "0", TCL_GLOBAL_ONLY);
638    
639     /* Setup script library facility */
640     Tcl_Init(interp);
641     Tcl_SetServiceMode(TCL_SERVICE_ALL);
642    
643     /* Code based on Tcl's TclpSetInitialEncodings() */
644     /* Determine the current encoding from the LC_* or LANG environment
645     * variables.
646     */
647     langEnv = getenv("LC_ALL");
648     if (langEnv == NULL || langEnv[0] == '\0') {
649     langEnv = getenv("LC_CTYPE");
650     }
651     if (langEnv == NULL || langEnv[0] == '\0') {
652     langEnv = getenv("LANG");
653     }
654     if (langEnv == NULL || langEnv[0] == '\0') {
655     langEnv = NULL;
656     }
657    
658     encoding = NULL;
659     if (langEnv != NULL) {
660     for (i = 0; localeTable[i].lang != NULL; i++)
661     if (strcmp(localeTable[i].lang, langEnv) == 0) {
662     encoding = localeTable[i].encoding;
663     break;
664     }
665    
666     /* There was no mapping in the locale table. If there is an
667     * encoding subfield, we can try to guess from that.
668     */
669     if (encoding == NULL) {
670     char *p;
671    
672     for (p = langEnv; *p != '\0'; p++) {
673     if (*p == '.') {
674     p++;
675     break;
676     }
677     }
678     if (*p != '\0') {
679     Tcl_DString ds;
680    
681     Tcl_DStringInit(&ds);
682     Tcl_DStringAppend(&ds, p, -1);
683    
684     encoding = Tcl_DStringValue(&ds);
685     Tcl_UtfToLower(Tcl_DStringValue(&ds));
686     if (Tcl_SetSystemEncoding(NULL, encoding) == TCL_OK) {
687     Tcl_DStringFree(&ds);
688     goto resetPath;
689     }
690     Tcl_DStringFree(&ds);
691     encoding = NULL;
692     }
693     }
694     }
695    
696     if (encoding == NULL) {
697     encoding = "iso8859-1";
698     }
699    
700     Tcl_SetSystemEncoding(NULL, encoding);
701    
702     resetPath:
703    
704     /* Initialize the C library's locale subsystem. */
705     setlocale(LC_CTYPE, "");
706    
707     /* In case the initial locale is not "C", ensure that the numeric
708     * processing is done in "C" locale regardless. */
709     setlocale(LC_NUMERIC, "C");
710    
711     /* Keep the iso8859-1 encoding preloaded. The IO package uses it for
712     * gets on a binary channel. */
713     Tcl_GetEncoding(NULL, "iso8859-1");
714    
715     /* Add eggdrop to Tcl's package list */
716     for (j = 0; j <= strlen(egg_version); j++) {
717     if ((egg_version[j] == ' ') || (egg_version[j] == '+'))
718     break;
719     pver[strlen(pver)] = egg_version[j];
720     }
721     Tcl_PkgProvide(interp, "eggdrop", pver);
722    
723     /* Initialize binds and traces */
724     init_bind();
725     init_traces();
726    
727     /* Add new commands */
728     add_tcl_commands(tcluser_cmds);
729     add_tcl_commands(tcldcc_cmds);
730     add_tcl_commands(tclmisc_cmds);
731     add_tcl_objcommands(tclmisc_objcmds);
732     add_tcl_commands(tcldns_cmds);
733 pseudo 1.4 #ifdef TLS
734     add_tcl_commands(tcltls_cmds);
735     #endif
736 simple 1.1 }
737    
738     void do_tcl(char *whatzit, char *script)
739     {
740     int code;
741     char *result;
742     Tcl_DString dstr;
743    
744     code = Tcl_Eval(interp, script);
745    
746     /* properly convert string to system encoding. */
747     Tcl_DStringInit(&dstr);
748     Tcl_UtfToExternalDString(NULL, tcl_resultstring(), -1, &dstr);
749     result = Tcl_DStringValue(&dstr);
750    
751     if (code != TCL_OK) {
752 pseudo 1.9.2.1 putlog(LOG_MISC, "*", _("Tcl error in script for '%s':"), whatzit);
753 simple 1.1 putlog(LOG_MISC, "*", "%s", result);
754 thommey 1.9.2.4 Tcl_BackgroundError(interp);
755 simple 1.1 }
756    
757     Tcl_DStringFree(&dstr);
758     }
759    
760     /* Interpret tcl file fname.
761     *
762     * returns: 1 - if everything was okay
763     */
764     int readtclprog(char *fname)
765     {
766     int code;
767     EGG_CONST char *result;
768     Tcl_DString dstr;
769    
770     if (!file_readable(fname))
771     return 0;
772    
773     code = Tcl_EvalFile(interp, fname);
774     result = Tcl_GetVar(interp, "errorInfo", TCL_GLOBAL_ONLY);
775    
776     /* properly convert string to system encoding. */
777     Tcl_DStringInit(&dstr);
778     Tcl_UtfToExternalDString(NULL, result, -1, &dstr);
779     result = Tcl_DStringValue(&dstr);
780    
781     if (code != TCL_OK) {
782 pseudo 1.9.2.1 putlog(LOG_MISC, "*", _("Tcl error in file '%s':"), fname);
783 simple 1.1 putlog(LOG_MISC, "*", "%s", result);
784 thommey 1.9.2.4 Tcl_BackgroundError(interp);
785 simple 1.1 code = 0; /* JJM: refactored to remove premature return */
786     } else {
787     /* Refresh internal variables */
788     code = 1;
789     }
790    
791     Tcl_DStringFree(&dstr);
792    
793     return code;
794     }
795    
796     void add_tcl_strings(tcl_strings *list)
797     {
798     int i;
799     strinfo *st;
800     int tmp;
801    
802     for (i = 0; list[i].name; i++) {
803     st = nmalloc(sizeof *st);
804     strtot += sizeof(strinfo);
805     st->max = list[i].length - (list[i].flags & STR_DIR);
806     if (list[i].flags & STR_PROTECT)
807     st->max = -st->max;
808     st->str = list[i].buf;
809     st->flags = (list[i].flags & STR_DIR);
810     tmp = protect_readonly;
811     protect_readonly = 0;
812     tcl_eggstr((ClientData) st, interp, list[i].name, NULL, TCL_TRACE_WRITES);
813     protect_readonly = tmp;
814     tcl_eggstr((ClientData) st, interp, list[i].name, NULL, TCL_TRACE_READS);
815     Tcl_TraceVar(interp, list[i].name, TCL_TRACE_READS | TCL_TRACE_WRITES |
816     TCL_TRACE_UNSETS, tcl_eggstr, (ClientData) st);
817     }
818     }
819    
820     void rem_tcl_strings(tcl_strings *list)
821     {
822     int i, f;
823     strinfo *st;
824    
825     f = TCL_GLOBAL_ONLY | TCL_TRACE_READS | TCL_TRACE_WRITES | TCL_TRACE_UNSETS;
826     for (i = 0; list[i].name; i++) {
827     st = (strinfo *) Tcl_VarTraceInfo(interp, list[i].name, f, tcl_eggstr,
828     NULL);
829     Tcl_UntraceVar(interp, list[i].name, f, tcl_eggstr, st);
830     if (st != NULL) {
831     strtot -= sizeof(strinfo);
832     nfree(st);
833     }
834     }
835     }
836    
837     void add_tcl_ints(tcl_ints *list)
838     {
839     int i, tmp;
840     intinfo *ii;
841    
842     for (i = 0; list[i].name; i++) {
843     ii = nmalloc(sizeof *ii);
844     strtot += sizeof(intinfo);
845     ii->var = list[i].val;
846     ii->ro = list[i].readonly;
847     tmp = protect_readonly;
848     protect_readonly = 0;
849     tcl_eggint((ClientData) ii, interp, list[i].name, NULL, TCL_TRACE_WRITES);
850     protect_readonly = tmp;
851     tcl_eggint((ClientData) ii, interp, list[i].name, NULL, TCL_TRACE_READS);
852     Tcl_TraceVar(interp, list[i].name,
853     TCL_TRACE_READS | TCL_TRACE_WRITES | TCL_TRACE_UNSETS,
854     tcl_eggint, (ClientData) ii);
855     }
856    
857     }
858    
859     void rem_tcl_ints(tcl_ints *list)
860     {
861     int i, f;
862     intinfo *ii;
863    
864     f = TCL_GLOBAL_ONLY | TCL_TRACE_READS | TCL_TRACE_WRITES | TCL_TRACE_UNSETS;
865     for (i = 0; list[i].name; i++) {
866     ii = (intinfo *) Tcl_VarTraceInfo(interp, list[i].name, f, tcl_eggint,
867     NULL);
868     Tcl_UntraceVar(interp, list[i].name, f, tcl_eggint, (ClientData) ii);
869     if (ii) {
870     strtot -= sizeof(intinfo);
871     nfree(ii);
872     }
873     }
874     }
875    
876     /* Allocate couplet space for tracing couplets
877     */
878     void add_tcl_coups(tcl_coups *list)
879     {
880     coupletinfo *cp;
881     int i;
882    
883     for (i = 0; list[i].name; i++) {
884     cp = nmalloc(sizeof *cp);
885     strtot += sizeof(coupletinfo);
886     cp->left = list[i].lptr;
887     cp->right = list[i].rptr;
888     tcl_eggcouplet((ClientData) cp, interp, list[i].name, NULL,
889     TCL_TRACE_WRITES);
890     tcl_eggcouplet((ClientData) cp, interp, list[i].name, NULL,
891     TCL_TRACE_READS);
892     Tcl_TraceVar(interp, list[i].name,
893     TCL_TRACE_READS | TCL_TRACE_WRITES | TCL_TRACE_UNSETS,
894     tcl_eggcouplet, (ClientData) cp);
895     }
896     }
897    
898     void rem_tcl_coups(tcl_coups *list)
899     {
900     int i, f;
901     coupletinfo *cp;
902    
903     f = TCL_GLOBAL_ONLY | TCL_TRACE_READS | TCL_TRACE_WRITES | TCL_TRACE_UNSETS;
904     for (i = 0; list[i].name; i++) {
905     cp = (coupletinfo *) Tcl_VarTraceInfo(interp, list[i].name, f,
906     tcl_eggcouplet, NULL);
907     strtot -= sizeof(coupletinfo);
908     Tcl_UntraceVar(interp, list[i].name, f, tcl_eggcouplet, (ClientData) cp);
909     nfree(cp);
910     }
911     }
912    
913     /* Check if the Tcl library supports threads
914     */
915     int tcl_threaded()
916     {
917     #ifdef HAVE_TCL_GETCURRENTTHREAD
918     if (Tcl_GetCurrentThread() != (Tcl_ThreadId)0)
919     return 1;
920     #endif
921    
922     return 0;
923     }
924    
925     /* Check if we need to fork before initializing Tcl
926     */
927     int fork_before_tcl()
928     {
929     #ifndef REPLACE_NOTIFIER
930     return tcl_threaded();
931     #endif
932     return 0;
933     }

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