]>
Commit | Line | Data |
---|---|---|
1 | /** | |
2 | * ircd-ratbox: A slightly useful ircd. | |
3 | * bantool.c: The ircd-ratbox database managment tool. | |
4 | * | |
5 | * Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center | |
6 | * Copyright (C) 1996-2002 Hybrid Development Team | |
7 | * Copyright (C) 2002-2008 ircd-ratbox development team | |
8 | * Copyright (C) 2008 Daniel J Reidy <dubkat@gmail.com> | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of the GNU General Public License as published by | |
12 | * the Free Software Foundation; either version 2 of the License, or | |
13 | * (at your option) any later version. | |
14 | * | |
15 | * This program is distributed in the hope that it will be useful, | |
16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | * GNU General Public License for more details. | |
19 | * | |
20 | * You should have received a copy of the GNU General Public License | |
21 | * along with this program; if not, write to the Free Software | |
22 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 | |
23 | * USA | |
24 | * | |
25 | * The following server admins have either contributed various configs to test against, | |
26 | * or helped with debugging and feature requests. Many thanks to them. | |
27 | * stevoo / efnet.port80.se | |
28 | * AndroSyn / irc2.choopa.net, irc.igs.ca | |
29 | * Salvation / irc.blessed.net | |
30 | * JamesOff / efnet.demon.co.uk | |
31 | * | |
32 | * Thanks to AndroSyn for challenging me to learn C on the fly :) | |
33 | * BUGS Direct Question, Bug Reports, and Feature Requests to #ratbox on EFnet. | |
34 | * BUGS Complaints >/dev/null | |
35 | * | |
36 | */ | |
37 | ||
38 | #include <stdio.h> | |
39 | #include <stdlib.h> | |
40 | #include <time.h> | |
41 | ||
42 | #include "stdinc.h" | |
43 | #include "rsdb.h" | |
44 | ||
45 | #define EmptyString(x) ((x == NULL) || (*(x) == '\0')) | |
46 | #define CheckEmpty(x) EmptyString(x) ? "" : x | |
47 | ||
48 | #define BT_VERSION "0.4.1" | |
49 | ||
50 | typedef enum | |
51 | { | |
52 | BANDB_KLINE, | |
53 | BANDB_KLINE_PERM, | |
54 | BANDB_DLINE, | |
55 | BANDB_DLINE_PERM, | |
56 | BANDB_XLINE, | |
57 | BANDB_XLINE_PERM, | |
58 | BANDB_RESV, | |
59 | BANDB_RESV_PERM, | |
60 | LAST_BANDB_TYPE | |
61 | } bandb_type; | |
62 | ||
63 | ||
64 | static char bandb_letter[LAST_BANDB_TYPE] = { | |
65 | 'K', 'K', 'D', 'D', 'X', 'X', 'R', 'R' | |
66 | }; | |
67 | ||
68 | static const char *bandb_table[LAST_BANDB_TYPE] = { | |
69 | "kline", "kline", "dline", "dline", "xline", "xline", "resv", "resv" | |
70 | }; | |
71 | ||
72 | static const char *bandb_suffix[LAST_BANDB_TYPE] = { | |
73 | "", ".perm", | |
74 | "", ".perm", | |
75 | "", ".perm", | |
76 | "", ".perm" | |
77 | }; | |
78 | ||
79 | static char me[PATH_MAX]; | |
80 | ||
81 | /* *INDENT-OFF* */ | |
82 | /* report counters */ | |
83 | struct counter | |
84 | { | |
85 | unsigned int klines; | |
86 | unsigned int dlines; | |
87 | unsigned int xlines; | |
88 | unsigned int resvs; | |
89 | unsigned int error; | |
90 | } count = {0, 0, 0, 0, 0}; | |
91 | ||
92 | /* flags set by command line options */ | |
93 | struct flags | |
94 | { | |
95 | bool none; | |
96 | bool export; | |
97 | bool import; | |
98 | bool verify; | |
99 | bool vacuum; | |
100 | bool pretend; | |
101 | bool verbose; | |
102 | bool wipe; | |
103 | bool dupes_ok; | |
104 | } flag = {true, false, false, false, false, false, false, false, false}; | |
105 | /* *INDENT-ON* */ | |
106 | ||
107 | static int table_has_rows(const char *table); | |
108 | static int table_exists(const char *table); | |
109 | ||
110 | static const char *clean_gecos_field(const char *gecos); | |
111 | static char *bt_smalldate(const char *string); | |
112 | static char *getfield(char *newline); | |
113 | static char *strip_quotes(const char *string); | |
114 | static char *mangle_reason(const char *string); | |
115 | static char *escape_quotes(const char *string); | |
116 | ||
117 | static void db_error_cb(const char *errstr); | |
118 | static void db_reclaim_slack(void); | |
119 | static void export_config(const char *conf, int id); | |
120 | static void import_config(const char *conf, int id); | |
121 | static void check_schema(void); | |
122 | static void print_help(int i_exit); | |
123 | static void wipe_schema(void); | |
124 | static void drop_dupes(const char *user, const char *host, const char *t); | |
125 | ||
126 | /** | |
127 | * swing your pants | |
128 | */ | |
129 | int | |
130 | main(int argc, char *argv[]) | |
131 | { | |
132 | char etc[PATH_MAX]; | |
133 | char conf[PATH_MAX]; | |
134 | int opt; | |
135 | int i; | |
136 | ||
137 | rb_strlcpy(me, argv[0], sizeof(me)); | |
138 | ||
139 | while((opt = getopt(argc, argv, "hieuspvwd")) != -1) | |
140 | { | |
141 | switch (opt) | |
142 | { | |
143 | case 'h': | |
144 | print_help(EXIT_SUCCESS); | |
145 | break; | |
146 | case 'i': | |
147 | flag.none = false; | |
148 | flag.import = true; | |
149 | break; | |
150 | case 'e': | |
151 | flag.none = false; | |
152 | flag.export = true; | |
153 | break; | |
154 | case 'u': | |
155 | flag.none = false; | |
156 | flag.verify = true; | |
157 | break; | |
158 | case 's': | |
159 | flag.none = false; | |
160 | flag.vacuum = true; | |
161 | break; | |
162 | case 'p': | |
163 | flag.pretend = true; | |
164 | break; | |
165 | case 'v': | |
166 | flag.verbose = true; | |
167 | break; | |
168 | case 'w': | |
169 | flag.wipe = true; | |
170 | break; | |
171 | case 'd': | |
172 | flag.dupes_ok = true; | |
173 | break; | |
174 | default: /* '?' */ | |
175 | print_help(EXIT_FAILURE); | |
176 | } | |
177 | } | |
178 | ||
179 | /* they should really read the help. */ | |
180 | if(flag.none) | |
181 | print_help(EXIT_FAILURE); | |
182 | ||
183 | if((flag.import && flag.export) || (flag.export && flag.wipe) | |
184 | || (flag.verify && flag.pretend) || (flag.export && flag.pretend)) | |
185 | { | |
186 | fprintf(stderr, "* Error: Conflicting flags.\n"); | |
187 | if(flag.export && flag.pretend) | |
188 | fprintf(stderr, "* There is nothing to 'pretend' when exporting.\n"); | |
189 | ||
190 | fprintf(stderr, "* For an explination of commands, run: %s -h\n", me); | |
191 | exit(EXIT_FAILURE); | |
192 | } | |
193 | ||
194 | if(argv[optind] != NULL) | |
195 | rb_strlcpy(etc, argv[optind], sizeof(etc)); | |
196 | else | |
197 | rb_strlcpy(etc, ETCPATH, sizeof(ETCPATH)); | |
198 | ||
199 | fprintf(stdout, | |
200 | "* charybdis bantool v.%s\n", BT_VERSION); | |
201 | ||
202 | if(flag.pretend == false) | |
203 | { | |
204 | if(rsdb_init(db_error_cb) == -1) | |
205 | { | |
206 | fprintf(stderr, "* Error: Unable to open database\n"); | |
207 | exit(EXIT_FAILURE); | |
208 | } | |
209 | check_schema(); | |
210 | ||
211 | if(flag.vacuum) | |
212 | db_reclaim_slack(); | |
213 | ||
214 | if(flag.import && flag.wipe) | |
215 | { | |
216 | flag.dupes_ok = true; /* dont check for dupes if we are wiping the db clean */ | |
217 | for(i = 0; i < 3; i++) | |
218 | fprintf(stdout, | |
219 | "* WARNING: YOU ARE ABOUT TO WIPE YOUR DATABASE!\n"); | |
220 | ||
221 | fprintf(stdout, "* Press ^C to abort! "); | |
222 | fflush(stdout); | |
223 | rb_sleep(10, 0); | |
224 | fprintf(stdout, "Carrying on...\n"); | |
225 | wipe_schema(); | |
226 | } | |
227 | } | |
228 | if(flag.verbose && flag.dupes_ok == true) | |
229 | fprintf(stdout, "* Allowing duplicate bans...\n"); | |
230 | ||
231 | /* checking for our files to import or export */ | |
232 | for(i = 0; i < LAST_BANDB_TYPE; i++) | |
233 | { | |
234 | snprintf(conf, sizeof(conf), "%s/%s.conf%s", | |
235 | etc, bandb_table[i], bandb_suffix[i]); | |
236 | ||
237 | if(flag.import && flag.pretend == false) | |
238 | rsdb_transaction(RSDB_TRANS_START); | |
239 | ||
240 | if(flag.import) | |
241 | import_config(conf, i); | |
242 | ||
243 | if(flag.export) | |
244 | export_config(conf, i); | |
245 | ||
246 | if(flag.import && flag.pretend == false) | |
247 | rsdb_transaction(RSDB_TRANS_END); | |
248 | } | |
249 | ||
250 | if(flag.import) | |
251 | { | |
252 | if(count.error && flag.verbose) | |
253 | fprintf(stderr, "* I was unable to locate %u config files to import.\n", | |
254 | count.error); | |
255 | ||
256 | fprintf(stdout, "* Import Stats: Klines: %u, Dlines: %u, Xlines: %u, Resvs: %u \n", | |
257 | count.klines, count.dlines, count.xlines, count.resvs); | |
258 | ||
259 | fprintf(stdout, | |
260 | "*\n* If your IRC server is currently running, newly imported bans \n* will not take effect until you issue the command: /quote rehash bans\n"); | |
261 | ||
262 | if(flag.pretend) | |
263 | fprintf(stdout, | |
264 | "* Pretend mode engaged. Nothing was actually entered into the database.\n"); | |
265 | } | |
266 | ||
267 | return 0; | |
268 | } | |
269 | ||
270 | ||
271 | /** | |
272 | * export the database to old-style flat files | |
273 | */ | |
274 | static void | |
275 | export_config(const char *conf, int id) | |
276 | { | |
277 | struct rsdb_table table; | |
278 | static char sql[BUFSIZE * 2]; | |
279 | static char buf[512]; | |
280 | FILE *fd = NULL; | |
281 | int j; | |
282 | ||
283 | /* for sanity sake */ | |
284 | const int mask1 = 0; | |
285 | const int mask2 = 1; | |
286 | const int reason = 2; | |
287 | const int oper = 3; | |
288 | const int ts = 4; | |
289 | /* const int perm = 5; */ | |
290 | ||
291 | if(!table_has_rows(bandb_table[id])) | |
292 | return; | |
293 | ||
294 | if(strstr(conf, ".perm") != 0) | |
295 | snprintf(sql, sizeof(sql), | |
296 | "SELECT DISTINCT mask1,mask2,reason,oper,time FROM %s WHERE perm = 1 ORDER BY time", | |
297 | bandb_table[id]); | |
298 | else | |
299 | snprintf(sql, sizeof(sql), | |
300 | "SELECT DISTINCT mask1,mask2,reason,oper,time FROM %s WHERE perm = 0 ORDER BY time", | |
301 | bandb_table[id]); | |
302 | ||
303 | rsdb_exec_fetch(&table, sql); | |
304 | if(table.row_count <= 0) | |
305 | { | |
306 | rsdb_exec_fetch_end(&table); | |
307 | return; | |
308 | } | |
309 | ||
310 | if(flag.verbose) | |
311 | fprintf(stdout, "* checking for %s: ", conf); /* debug */ | |
312 | ||
313 | /* open config for reading, or skip to the next */ | |
314 | if(!(fd = fopen(conf, "w"))) | |
315 | { | |
316 | if(flag.verbose) | |
317 | fprintf(stdout, "\tmissing.\n"); | |
318 | count.error++; | |
319 | return; | |
320 | } | |
321 | ||
322 | for(j = 0; j < table.row_count; j++) | |
323 | { | |
324 | switch (id) | |
325 | { | |
326 | case BANDB_DLINE: | |
327 | case BANDB_DLINE_PERM: | |
328 | snprintf(buf, sizeof(buf), | |
329 | "\"%s\",\"%s\",\"\",\"%s\",\"%s\",%s\n", | |
330 | table.row[j][mask1], | |
331 | mangle_reason(table.row[j][reason]), | |
332 | bt_smalldate(table.row[j][ts]), | |
333 | table.row[j][oper], table.row[j][ts]); | |
334 | break; | |
335 | ||
336 | case BANDB_XLINE: | |
337 | case BANDB_XLINE_PERM: | |
338 | snprintf(buf, sizeof(buf), | |
339 | "\"%s\",\"0\",\"%s\",\"%s\",%s\n", | |
340 | escape_quotes(table.row[j][mask1]), | |
341 | mangle_reason(table.row[j][reason]), | |
342 | table.row[j][oper], table.row[j][ts]); | |
343 | break; | |
344 | ||
345 | case BANDB_RESV: | |
346 | case BANDB_RESV_PERM: | |
347 | snprintf(buf, sizeof(buf), | |
348 | "\"%s\",\"%s\",\"%s\",%s\n", | |
349 | table.row[j][mask1], | |
350 | mangle_reason(table.row[j][reason]), | |
351 | table.row[j][oper], table.row[j][ts]); | |
352 | break; | |
353 | ||
354 | ||
355 | default: /* Klines */ | |
356 | snprintf(buf, sizeof(buf), | |
357 | "\"%s\",\"%s\",\"%s\",\"\",\"%s\",\"%s\",%s\n", | |
358 | table.row[j][mask1], table.row[j][mask2], | |
359 | mangle_reason(table.row[j][reason]), | |
360 | bt_smalldate(table.row[j][ts]), table.row[j][oper], | |
361 | table.row[j][ts]); | |
362 | break; | |
363 | } | |
364 | ||
365 | fprintf(fd, "%s", buf); | |
366 | } | |
367 | ||
368 | rsdb_exec_fetch_end(&table); | |
369 | if(flag.verbose) | |
370 | fprintf(stdout, "\twritten.\n"); | |
371 | fclose(fd); | |
372 | } | |
373 | ||
374 | /** | |
375 | * attempt to condense the individual conf functions into one | |
376 | */ | |
377 | static void | |
378 | import_config(const char *conf, int id) | |
379 | { | |
380 | FILE *fd; | |
381 | ||
382 | char line[BUFSIZE]; | |
383 | char *p; | |
384 | int i = 0; | |
385 | ||
386 | char f_perm = 0; | |
387 | const char *f_mask1 = NULL; | |
388 | const char *f_mask2 = NULL; | |
389 | const char *f_oper = NULL; | |
390 | const char *f_time = NULL; | |
391 | const char *f_reason = NULL; | |
392 | const char *f_oreason = NULL; | |
393 | char newreason[REASONLEN]; | |
394 | ||
395 | if(flag.verbose) | |
396 | fprintf(stdout, "* checking for %s: ", conf); /* debug */ | |
397 | ||
398 | /* open config for reading, or skip to the next */ | |
399 | if(!(fd = fopen(conf, "r"))) | |
400 | { | |
401 | if(flag.verbose) | |
402 | fprintf(stdout, "%*s", strlen(bandb_suffix[id]) > 0 ? 10 : 15, | |
403 | "missing.\n"); | |
404 | count.error++; | |
405 | return; | |
406 | } | |
407 | ||
408 | if(strstr(conf, ".perm") != 0) | |
409 | f_perm = 1; | |
410 | ||
411 | ||
412 | /* xline | |
413 | * "SYSTEM","0","banned","stevoo!stevoo@efnet.port80.se{stevoo}",1111080437 | |
414 | * resv | |
415 | * "OseK","banned nickname","stevoo!stevoo@efnet.port80.se{stevoo}",1111031619 | |
416 | * dline | |
417 | * "194.158.192.0/19","laptop scammers","","2005/3/17 05.33","stevoo!stevoo@efnet.port80.se{stevoo}",1111033988 | |
418 | */ | |
419 | while(fgets(line, sizeof(line), fd)) | |
420 | { | |
421 | if((p = strpbrk(line, "\r\n")) != NULL) | |
422 | *p = '\0'; | |
423 | ||
424 | if((*line == '\0') || (*line == '#')) | |
425 | continue; | |
426 | ||
427 | /* mask1 */ | |
428 | f_mask1 = getfield(line); | |
429 | ||
430 | if(EmptyString(f_mask1)) | |
431 | continue; | |
432 | ||
433 | /* mask2 */ | |
434 | switch (id) | |
435 | { | |
436 | case BANDB_XLINE: | |
437 | case BANDB_XLINE_PERM: | |
438 | f_mask1 = escape_quotes(clean_gecos_field(f_mask1)); | |
439 | getfield(NULL); /* empty field */ | |
440 | break; | |
441 | ||
442 | case BANDB_RESV: | |
443 | case BANDB_RESV_PERM: | |
444 | case BANDB_DLINE: | |
445 | case BANDB_DLINE_PERM: | |
446 | break; | |
447 | ||
448 | default: | |
449 | f_mask2 = getfield(NULL); | |
450 | if(EmptyString(f_mask2)) | |
451 | continue; | |
452 | break; | |
453 | } | |
454 | ||
455 | /* reason */ | |
456 | f_reason = getfield(NULL); | |
457 | if(EmptyString(f_reason)) | |
458 | continue; | |
459 | ||
460 | /* oper comment */ | |
461 | switch (id) | |
462 | { | |
463 | case BANDB_KLINE: | |
464 | case BANDB_KLINE_PERM: | |
465 | case BANDB_DLINE: | |
466 | case BANDB_DLINE_PERM: | |
467 | f_oreason = getfield(NULL); | |
468 | getfield(NULL); | |
469 | break; | |
470 | ||
471 | default: | |
472 | break; | |
473 | } | |
474 | ||
475 | f_oper = getfield(NULL); | |
476 | f_time = strip_quotes(f_oper + strlen(f_oper) + 2); | |
477 | if(EmptyString(f_oper)) | |
478 | f_oper = "unknown"; | |
479 | ||
480 | /* meh */ | |
481 | if(id == BANDB_KLINE || id == BANDB_KLINE_PERM) | |
482 | { | |
483 | if(strstr(f_mask1, "!") != NULL) | |
484 | { | |
485 | fprintf(stderr, | |
486 | "* SKIPPING INVALID KLINE %s@%s set by %s\n", | |
487 | f_mask1, f_mask2, f_oper); | |
488 | fprintf(stderr, " You may wish to re-apply it correctly.\n"); | |
489 | continue; | |
490 | } | |
491 | } | |
492 | ||
493 | /* append operreason_field to reason_field */ | |
494 | if(!EmptyString(f_oreason)) | |
495 | snprintf(newreason, sizeof(newreason), "%s | %s", f_reason, f_oreason); | |
496 | else | |
497 | snprintf(newreason, sizeof(newreason), "%s", f_reason); | |
498 | ||
499 | if(flag.pretend == false) | |
500 | { | |
501 | if(flag.dupes_ok == false) | |
502 | drop_dupes(f_mask1, f_mask2, bandb_table[id]); | |
503 | ||
504 | rsdb_exec(NULL, | |
505 | "INSERT INTO %s (mask1, mask2, oper, time, perm, reason) VALUES('%Q','%Q','%Q','%Q','%d','%Q')", | |
506 | bandb_table[id], f_mask1, f_mask2, f_oper, f_time, f_perm, | |
507 | newreason); | |
508 | } | |
509 | ||
510 | if(flag.pretend && flag.verbose) | |
511 | fprintf(stdout, | |
512 | "%s: perm(%d) mask1(%s) mask2(%s) oper(%s) reason(%s) time(%s)\n", | |
513 | bandb_table[id], f_perm, f_mask1, f_mask2, f_oper, newreason, | |
514 | f_time); | |
515 | ||
516 | i++; | |
517 | } | |
518 | ||
519 | switch (bandb_letter[id]) | |
520 | { | |
521 | case 'K': | |
522 | count.klines += i; | |
523 | break; | |
524 | case 'D': | |
525 | count.dlines += i; | |
526 | break; | |
527 | case 'X': | |
528 | count.xlines += i; | |
529 | break; | |
530 | case 'R': | |
531 | count.resvs += i; | |
532 | break; | |
533 | default: | |
534 | break; | |
535 | } | |
536 | ||
537 | if(flag.verbose) | |
538 | fprintf(stdout, "%*s\n", strlen(bandb_suffix[id]) > 0 ? 10 : 15, "imported."); | |
539 | ||
540 | fclose(fd); | |
541 | ||
542 | return; | |
543 | } | |
544 | ||
545 | /** | |
546 | * getfield | |
547 | * | |
548 | * inputs - input buffer | |
549 | * output - next field | |
550 | * side effects - field breakup for ircd.conf file. | |
551 | */ | |
552 | char * | |
553 | getfield(char *newline) | |
554 | { | |
555 | static char *line = NULL; | |
556 | char *end, *field; | |
557 | ||
558 | if(newline != NULL) | |
559 | line = newline; | |
560 | ||
561 | if(line == NULL) | |
562 | return (NULL); | |
563 | ||
564 | field = line; | |
565 | ||
566 | /* XXX make this skip to first " if present */ | |
567 | if(*field == '"') | |
568 | field++; | |
569 | else | |
570 | return (NULL); /* mal-formed field */ | |
571 | ||
572 | end = strchr(line, ','); | |
573 | ||
574 | while(1) | |
575 | { | |
576 | /* no trailing , - last field */ | |
577 | if(end == NULL) | |
578 | { | |
579 | end = line + strlen(line); | |
580 | line = NULL; | |
581 | ||
582 | if(*end == '"') | |
583 | { | |
584 | *end = '\0'; | |
585 | return field; | |
586 | } | |
587 | else | |
588 | return NULL; | |
589 | } | |
590 | else | |
591 | { | |
592 | /* look for a ", to mark the end of a field.. */ | |
593 | if(*(end - 1) == '"') | |
594 | { | |
595 | line = end + 1; | |
596 | end--; | |
597 | *end = '\0'; | |
598 | return field; | |
599 | } | |
600 | ||
601 | /* search for the next ',' */ | |
602 | end++; | |
603 | end = strchr(end, ','); | |
604 | } | |
605 | } | |
606 | ||
607 | return NULL; | |
608 | } | |
609 | ||
610 | /** | |
611 | * strip away "quotes" from around strings | |
612 | */ | |
613 | static char * | |
614 | strip_quotes(const char *string) | |
615 | { | |
616 | static char buf[14]; /* int(11) + 2 + \0 */ | |
617 | char *str = buf; | |
618 | ||
619 | if(string == NULL) | |
620 | return NULL; | |
621 | ||
622 | while(*string) | |
623 | { | |
624 | if(*string != '"') | |
625 | { | |
626 | *str++ = *string; | |
627 | } | |
628 | string++; | |
629 | } | |
630 | *str = '\0'; | |
631 | return buf; | |
632 | } | |
633 | ||
634 | /** | |
635 | * escape quotes in a string | |
636 | */ | |
637 | static char * | |
638 | escape_quotes(const char *string) | |
639 | { | |
640 | static char buf[BUFSIZE * 2]; | |
641 | char *str = buf; | |
642 | ||
643 | if(string == NULL) | |
644 | return NULL; | |
645 | ||
646 | while(*string) | |
647 | { | |
648 | if(*string == '"') | |
649 | { | |
650 | *str++ = '\\'; | |
651 | *str++ = '"'; | |
652 | } | |
653 | else | |
654 | { | |
655 | *str++ = *string; | |
656 | } | |
657 | string++; | |
658 | } | |
659 | *str = '\0'; | |
660 | return buf; | |
661 | } | |
662 | ||
663 | ||
664 | static char * | |
665 | mangle_reason(const char *string) | |
666 | { | |
667 | static char buf[BUFSIZE * 2]; | |
668 | char *str = buf; | |
669 | ||
670 | if(string == NULL) | |
671 | return NULL; | |
672 | ||
673 | while(*string) | |
674 | { | |
675 | switch (*string) | |
676 | { | |
677 | case '"': | |
678 | *str = '\''; | |
679 | break; | |
680 | case ':': | |
681 | *str = ' '; | |
682 | break; | |
683 | default: | |
684 | *str = *string; | |
685 | } | |
686 | string++; | |
687 | str++; | |
688 | ||
689 | } | |
690 | *str = '\0'; | |
691 | return buf; | |
692 | } | |
693 | ||
694 | ||
695 | /** | |
696 | * change spaces to \s in gecos field | |
697 | */ | |
698 | static const char * | |
699 | clean_gecos_field(const char *gecos) | |
700 | { | |
701 | static char buf[BUFSIZE * 2]; | |
702 | char *str = buf; | |
703 | ||
704 | if(gecos == NULL) | |
705 | return NULL; | |
706 | ||
707 | while(*gecos) | |
708 | { | |
709 | if(*gecos == ' ') | |
710 | { | |
711 | *str++ = '\\'; | |
712 | *str++ = 's'; | |
713 | } | |
714 | else | |
715 | *str++ = *gecos; | |
716 | gecos++; | |
717 | } | |
718 | *str = '\0'; | |
719 | return buf; | |
720 | } | |
721 | ||
722 | /** | |
723 | * verify the database integrity, and if necessary create apropriate tables | |
724 | */ | |
725 | static void | |
726 | check_schema(void) | |
727 | { | |
728 | int i, j; | |
729 | char type[8]; /* longest string is 'INTEGER\0' */ | |
730 | ||
731 | if(flag.verify || flag.verbose) | |
732 | fprintf(stdout, "* Verifying database.\n"); | |
733 | ||
734 | const char *columns[] = { | |
735 | "perm", | |
736 | "mask1", | |
737 | "mask2", | |
738 | "oper", | |
739 | "time", | |
740 | "reason", | |
741 | NULL | |
742 | }; | |
743 | ||
744 | for(i = 0; i < LAST_BANDB_TYPE; i++) | |
745 | { | |
746 | if(!table_exists(bandb_table[i])) | |
747 | { | |
748 | rsdb_exec(NULL, | |
749 | "CREATE TABLE %s (mask1 TEXT, mask2 TEXT, oper TEXT, time INTEGER, perm INTEGER, reason TEXT)", | |
750 | bandb_table[i]); | |
751 | } | |
752 | ||
753 | /* | |
754 | * i can't think of any better way to do this, other then attempt to | |
755 | * force the creation of column that may, or may not already exist. --dubkat | |
756 | */ | |
757 | else | |
758 | { | |
759 | for(j = 0; columns[j] != NULL; j++) | |
760 | { | |
761 | if(!strcmp(columns[j], "time") && !strcmp(columns[j], "perm")) | |
762 | rb_strlcpy(type, "INTEGER", sizeof(type)); | |
763 | else | |
764 | rb_strlcpy(type, "TEXT", sizeof(type)); | |
765 | ||
766 | /* attempt to add a column with extreme prejudice, errors are ignored */ | |
767 | rsdb_exec(NULL, "ALTER TABLE %s ADD COLUMN %s %s", bandb_table[i], | |
768 | columns[j], type); | |
769 | } | |
770 | } | |
771 | ||
772 | i++; /* skip over .perm */ | |
773 | } | |
774 | } | |
775 | ||
776 | static void | |
777 | db_reclaim_slack(void) | |
778 | { | |
779 | fprintf(stdout, "* Reclaiming free space.\n"); | |
780 | rsdb_exec(NULL, "VACUUM"); | |
781 | } | |
782 | ||
783 | ||
784 | /** | |
785 | * check that appropriate tables exist. | |
786 | */ | |
787 | static int | |
788 | table_exists(const char *dbtab) | |
789 | { | |
790 | struct rsdb_table table; | |
791 | rsdb_exec_fetch(&table, "SELECT name FROM sqlite_master WHERE type='table' AND name='%s'", | |
792 | dbtab); | |
793 | rsdb_exec_fetch_end(&table); | |
794 | return table.row_count; | |
795 | } | |
796 | ||
797 | /** | |
798 | * check that there are actual entries in a table | |
799 | */ | |
800 | static int | |
801 | table_has_rows(const char *dbtab) | |
802 | { | |
803 | struct rsdb_table table; | |
804 | rsdb_exec_fetch(&table, "SELECT * FROM %s", dbtab); | |
805 | rsdb_exec_fetch_end(&table); | |
806 | return table.row_count; | |
807 | } | |
808 | ||
809 | /** | |
810 | * completly wipes out an existing ban.db of all entries. | |
811 | */ | |
812 | static void | |
813 | wipe_schema(void) | |
814 | { | |
815 | int i; | |
816 | rsdb_transaction(RSDB_TRANS_START); | |
817 | for(i = 0; i < LAST_BANDB_TYPE; i++) | |
818 | { | |
819 | rsdb_exec(NULL, "DROP TABLE %s", bandb_table[i]); | |
820 | i++; /* double increment to skip over .perm */ | |
821 | } | |
822 | rsdb_transaction(RSDB_TRANS_END); | |
823 | ||
824 | check_schema(); | |
825 | } | |
826 | ||
827 | /** | |
828 | * remove pre-existing duplicate bans from the database. | |
829 | * we favor the new, imported ban over the one in the database | |
830 | */ | |
831 | void | |
832 | drop_dupes(const char *user, const char *host, const char *t) | |
833 | { | |
834 | rsdb_exec(NULL, "DELETE FROM %s WHERE mask1='%Q' AND mask2='%Q'", t, user, host); | |
835 | } | |
836 | ||
837 | static void | |
838 | db_error_cb(const char *errstr) | |
839 | { | |
840 | return; | |
841 | } | |
842 | ||
843 | ||
844 | /** | |
845 | * convert unix timestamp to human readable (small) date | |
846 | */ | |
847 | static char * | |
848 | bt_smalldate(const char *string) | |
849 | { | |
850 | static char buf[MAX_DATE_STRING]; | |
851 | struct tm *lt; | |
852 | time_t t; | |
853 | t = strtol(string, NULL, 10); | |
854 | lt = gmtime(&t); | |
855 | if(lt == NULL) | |
856 | return NULL; | |
857 | snprintf(buf, sizeof(buf), "%d/%d/%d %02d.%02d", | |
858 | lt->tm_year + 1900, lt->tm_mon + 1, lt->tm_mday, lt->tm_hour, lt->tm_min); | |
859 | return buf; | |
860 | } | |
861 | ||
862 | /** | |
863 | * you are here ->. | |
864 | */ | |
865 | void | |
866 | print_help(int i_exit) | |
867 | { | |
868 | fprintf(stderr, "bantool v.%s - the charybdis database tool.\n", BT_VERSION); | |
869 | fprintf(stderr, "Copyright (C) 2008 Daniel J Reidy <dubkat@gmail.com>\n"); | |
870 | fprintf(stderr, "This program is distributed in the hope that it will be useful,\n" | |
871 | "but WITHOUT ANY WARRANTY; without even the implied warranty of\n" | |
872 | "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n" | |
873 | "GNU General Public License for more details.\n\n"); | |
874 | ||
875 | fprintf(stderr, "Usage: %s <-i|-e> [-p] [-v] [-h] [-d] [-w] [path]\n", me); | |
876 | fprintf(stderr, " -h : Display some slightly useful help.\n"); | |
877 | fprintf(stderr, " -i : Actually import configs into your database.\n"); | |
878 | fprintf(stderr, " -e : Export your database to old-style flat files.\n"); | |
879 | fprintf(stderr, | |
880 | " This is suitable for redistrubuting your banlists, or creating backups.\n"); | |
881 | fprintf(stderr, " -s : Reclaim empty slack space the database may be taking up.\n"); | |
882 | fprintf(stderr, " -u : Update the database tables to support any new features.\n"); | |
883 | fprintf(stderr, | |
884 | " This is automaticlly done if you are importing or exporting\n"); | |
885 | fprintf(stderr, " but should be run whenever you upgrade the ircd.\n"); | |
886 | fprintf(stderr, | |
887 | " -p : pretend, checks for the configs, and parses them, then tells you some data...\n"); | |
888 | fprintf(stderr, " but does not touch your database.\n"); | |
889 | fprintf(stderr, | |
890 | " -v : Be verbose... and it *is* very verbose! (intended for debugging)\n"); | |
891 | fprintf(stderr, " -d : Enable checking for redunant entries.\n"); | |
892 | fprintf(stderr, " -w : Completly wipe your database clean. May be used with -i \n"); | |
893 | fprintf(stderr, | |
894 | " path : An optional directory containing old ratbox configs for import, or export.\n"); | |
895 | fprintf(stderr, " If not specified, it looks in PREFIX/etc.\n"); | |
896 | exit(i_exit); | |
897 | } |