| 1 |
/* |
| 2 |
* ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd). |
| 3 |
* csvlib.c - set of functions to deal with csv type of conf files |
| 4 |
* |
| 5 |
* Copyright (C) 2003 by Diane Bruce, Stuart Walsh |
| 6 |
* Use it anywhere you like, if you like it buy us a beer. |
| 7 |
* If it's broken, don't bother us with the lawyers. |
| 8 |
* |
| 9 |
* $Id$ |
| 10 |
*/ |
| 11 |
|
| 12 |
#include "config.h" |
| 13 |
#ifdef HAVE_LIBPCRE |
| 14 |
#include <pcre.h> |
| 15 |
#endif |
| 16 |
#include "stdinc.h" |
| 17 |
#include "list.h" |
| 18 |
#include "log.h" |
| 19 |
#include "conf.h" |
| 20 |
#include "hostmask.h" |
| 21 |
#include "client.h" |
| 22 |
#include "irc_string.h" |
| 23 |
#include "sprintf_irc.h" |
| 24 |
#include "memory.h" |
| 25 |
#include "send.h" |
| 26 |
#include "resv.h" |
| 27 |
#include "s_serv.h" |
| 28 |
|
| 29 |
/* Fix "statement not reached" warnings on Sun WorkShop C */ |
| 30 |
#ifdef __SUNPRO_C |
| 31 |
# pragma error_messages(off, E_STATEMENT_NOT_REACHED) |
| 32 |
#endif |
| 33 |
|
| 34 |
|
| 35 |
static void parse_csv_line(char *, ...); |
| 36 |
static int write_csv_line(FILE *, const char *, ...); |
| 37 |
static int flush_write(struct Client *, FILE *, FILE *, |
| 38 |
const char *, const char *); |
| 39 |
static char *getfield(char *); |
| 40 |
|
| 41 |
int |
| 42 |
find_and_delete_temporary(const char *user, const char *host, int type) |
| 43 |
{ |
| 44 |
struct irc_ssaddr iphost, *piphost; |
| 45 |
struct AccessItem *aconf; |
| 46 |
int t; |
| 47 |
|
| 48 |
if ((t = parse_netmask(host, &iphost, NULL)) != HM_HOST) |
| 49 |
{ |
| 50 |
#ifdef IPV6 |
| 51 |
if (t == HM_IPV6) |
| 52 |
t = AF_INET6; |
| 53 |
else |
| 54 |
#endif |
| 55 |
t = AF_INET; |
| 56 |
piphost = &iphost; |
| 57 |
} |
| 58 |
else |
| 59 |
{ |
| 60 |
t = 0; |
| 61 |
piphost = NULL; |
| 62 |
} |
| 63 |
|
| 64 |
if ((aconf = find_conf_by_address(host, piphost, type, t, user, NULL, 0))) |
| 65 |
{ |
| 66 |
if (IsConfTemporary(aconf)) |
| 67 |
{ |
| 68 |
delete_one_address_conf(host, aconf); |
| 69 |
return 1; |
| 70 |
} |
| 71 |
} |
| 72 |
|
| 73 |
return 0; |
| 74 |
} |
| 75 |
|
| 76 |
/* parse_csv_file() |
| 77 |
* |
| 78 |
* inputs - FILE pointer |
| 79 |
* - type of conf to parse |
| 80 |
* output - none |
| 81 |
* side effects - |
| 82 |
*/ |
| 83 |
void |
| 84 |
parse_csv_file(FILE *file, ConfType conf_type) |
| 85 |
{ |
| 86 |
struct ConfItem *conf; |
| 87 |
struct AccessItem *aconf; |
| 88 |
struct MatchItem *match_item; |
| 89 |
char *name_field=NULL; |
| 90 |
char *user_field=NULL; |
| 91 |
char *reason_field=NULL; |
| 92 |
char *oper_reason=NULL; |
| 93 |
char *host_field=NULL; |
| 94 |
char line[IRCD_BUFSIZE]; |
| 95 |
char *p; |
| 96 |
|
| 97 |
while (fgets(line, sizeof(line), file) != NULL) |
| 98 |
{ |
| 99 |
if ((p = strchr(line, '\n')) != NULL) |
| 100 |
*p = '\0'; |
| 101 |
|
| 102 |
if ((line[0] == '\0') || (line[0] == '#')) |
| 103 |
continue; |
| 104 |
|
| 105 |
switch(conf_type) |
| 106 |
{ |
| 107 |
case KLINE_TYPE: |
| 108 |
parse_csv_line(line, &user_field, &host_field, &reason_field, NULL); |
| 109 |
|
| 110 |
find_and_delete_temporary(user_field, host_field, CONF_KLINE); |
| 111 |
|
| 112 |
conf = make_conf_item(KLINE_TYPE); |
| 113 |
aconf = map_to_conf(conf); |
| 114 |
|
| 115 |
if (host_field != NULL) |
| 116 |
DupString(aconf->host, host_field); |
| 117 |
if (reason_field != NULL) |
| 118 |
DupString(aconf->reason, reason_field); |
| 119 |
if (user_field != NULL) |
| 120 |
DupString(aconf->user, user_field); |
| 121 |
if (aconf->host != NULL) |
| 122 |
add_conf_by_address(CONF_KLINE, aconf); |
| 123 |
break; |
| 124 |
#ifdef HAVE_LIBPCRE |
| 125 |
case RKLINE_TYPE: |
| 126 |
{ |
| 127 |
const char *errptr = NULL; |
| 128 |
pcre *exp_user = NULL, *exp_host = NULL; |
| 129 |
|
| 130 |
parse_csv_line(line, &user_field, &host_field, &reason_field, NULL); |
| 131 |
|
| 132 |
if (host_field == NULL || user_field == NULL) |
| 133 |
break; |
| 134 |
|
| 135 |
if (!(exp_user = ircd_pcre_compile(user_field, &errptr)) || |
| 136 |
!(exp_host = ircd_pcre_compile(host_field, &errptr))) |
| 137 |
{ |
| 138 |
sendto_realops_flags(UMODE_ALL, L_ALL, |
| 139 |
"Failed to add regular expression based K-Line: %s", errptr); |
| 140 |
break; |
| 141 |
} |
| 142 |
|
| 143 |
aconf = map_to_conf(make_conf_item(RKLINE_TYPE)); |
| 144 |
|
| 145 |
aconf->regexuser = exp_user; |
| 146 |
aconf->regexhost = exp_host; |
| 147 |
|
| 148 |
DupString(aconf->user, user_field); |
| 149 |
DupString(aconf->host, host_field); |
| 150 |
|
| 151 |
if (reason_field != NULL) |
| 152 |
DupString(aconf->reason, reason_field); |
| 153 |
else |
| 154 |
DupString(aconf->reason, "No reason"); |
| 155 |
|
| 156 |
} |
| 157 |
break; |
| 158 |
#endif |
| 159 |
case DLINE_TYPE: |
| 160 |
parse_csv_line(line, &host_field, &reason_field, NULL); |
| 161 |
|
| 162 |
if (host_field && parse_netmask(host_field, NULL, NULL) != HM_HOST) |
| 163 |
{ |
| 164 |
find_and_delete_temporary(NULL, host_field, CONF_DLINE); |
| 165 |
|
| 166 |
aconf = map_to_conf(make_conf_item(DLINE_TYPE)); |
| 167 |
DupString(aconf->host, host_field); |
| 168 |
|
| 169 |
if (reason_field != NULL) |
| 170 |
DupString(aconf->reason, reason_field); |
| 171 |
else |
| 172 |
DupString(aconf->reason, "No reason"); |
| 173 |
add_conf_by_address(CONF_DLINE, aconf); |
| 174 |
} |
| 175 |
|
| 176 |
break; |
| 177 |
|
| 178 |
case XLINE_TYPE: |
| 179 |
parse_csv_line(line, &name_field, &reason_field, &oper_reason, NULL); |
| 180 |
conf = make_conf_item(XLINE_TYPE); |
| 181 |
match_item = (struct MatchItem *)map_to_conf(conf); |
| 182 |
if (name_field != NULL) |
| 183 |
DupString(conf->name, name_field); |
| 184 |
if (reason_field != NULL) |
| 185 |
DupString(match_item->reason, reason_field); |
| 186 |
break; |
| 187 |
#ifdef HAVE_LIBPCRE |
| 188 |
case RXLINE_TYPE: |
| 189 |
{ |
| 190 |
const char *errptr = NULL; |
| 191 |
pcre *exp_p = NULL; |
| 192 |
|
| 193 |
parse_csv_line(line, &name_field, &reason_field, &oper_reason, NULL); |
| 194 |
|
| 195 |
if (name_field == NULL) |
| 196 |
break; |
| 197 |
|
| 198 |
if (!(exp_p = ircd_pcre_compile(name_field, &errptr))) |
| 199 |
{ |
| 200 |
sendto_realops_flags(UMODE_ALL, L_ALL, |
| 201 |
"Failed to add regular expression based X-Line: %s", errptr); |
| 202 |
break; |
| 203 |
} |
| 204 |
|
| 205 |
conf = make_conf_item(RXLINE_TYPE); |
| 206 |
conf->regexpname = exp_p; |
| 207 |
match_item = map_to_conf(conf); |
| 208 |
DupString(conf->name, name_field); |
| 209 |
|
| 210 |
if (reason_field != NULL) |
| 211 |
DupString(match_item->reason, reason_field); |
| 212 |
else |
| 213 |
DupString(match_item->reason, "No reason"); |
| 214 |
} |
| 215 |
break; |
| 216 |
#endif |
| 217 |
case CRESV_TYPE: |
| 218 |
parse_csv_line(line, &name_field, &reason_field, NULL); |
| 219 |
(void)create_channel_resv(name_field, reason_field, 0); |
| 220 |
break; |
| 221 |
|
| 222 |
case NRESV_TYPE: |
| 223 |
parse_csv_line(line, &name_field, &reason_field, NULL); |
| 224 |
(void)create_nick_resv(name_field, reason_field, 0); |
| 225 |
break; |
| 226 |
|
| 227 |
case GLINE_TYPE: |
| 228 |
case CONF_TYPE: |
| 229 |
case OPER_TYPE: |
| 230 |
case CLIENT_TYPE: |
| 231 |
case SERVER_TYPE: |
| 232 |
case CLUSTER_TYPE: |
| 233 |
case HUB_TYPE: |
| 234 |
case LEAF_TYPE: |
| 235 |
case ULINE_TYPE: |
| 236 |
case EXEMPTDLINE_TYPE: |
| 237 |
case CLASS_TYPE: |
| 238 |
default: |
| 239 |
break; |
| 240 |
} |
| 241 |
} |
| 242 |
} |
| 243 |
|
| 244 |
/* |
| 245 |
* parse_csv_line() |
| 246 |
* |
| 247 |
* inputs - pointer to line to parse |
| 248 |
* output - |
| 249 |
* side effects - |
| 250 |
*/ |
| 251 |
|
| 252 |
static void |
| 253 |
parse_csv_line(char *line, ...) |
| 254 |
{ |
| 255 |
va_list args; |
| 256 |
char **dest; |
| 257 |
char *field = NULL; |
| 258 |
|
| 259 |
va_start(args, line); |
| 260 |
|
| 261 |
for (; ;) |
| 262 |
{ |
| 263 |
dest = va_arg(args, char **); |
| 264 |
if ((dest == NULL) || ((field = getfield(field ? NULL : line)) == NULL)) |
| 265 |
{ |
| 266 |
va_end(args); |
| 267 |
return; |
| 268 |
} |
| 269 |
*dest = field; |
| 270 |
} |
| 271 |
} |
| 272 |
|
| 273 |
/* write_conf_line() |
| 274 |
* |
| 275 |
* inputs - pointer to struct AccessItem |
| 276 |
* - string current_date (small date) |
| 277 |
* - time_t cur_time |
| 278 |
* output - NONE |
| 279 |
* side effects - This function takes care of |
| 280 |
* finding right conf file, writing |
| 281 |
* the right lines to this file, |
| 282 |
* notifying the oper that their kline/dline etc. is in place |
| 283 |
* notifying the opers on the server about the k/d etc. line |
| 284 |
* |
| 285 |
* - Dianora |
| 286 |
*/ |
| 287 |
void |
| 288 |
write_conf_line(struct Client *source_p, struct ConfItem *conf, |
| 289 |
const char *current_date, time_t cur_time) |
| 290 |
{ |
| 291 |
FILE *out; |
| 292 |
const char *filename, *from, *to; |
| 293 |
struct AccessItem *aconf; |
| 294 |
struct MatchItem *xconf; |
| 295 |
struct ResvChannel *cresv_p=NULL; |
| 296 |
struct MatchItem *nresv_p=NULL; |
| 297 |
ConfType type; |
| 298 |
|
| 299 |
type = conf->type; |
| 300 |
filename = get_conf_name(type); |
| 301 |
|
| 302 |
if (!MyConnect(source_p) && IsCapable(source_p->from, CAP_TS6) && HasID(source_p)) |
| 303 |
{ |
| 304 |
from = me.id; |
| 305 |
to = source_p->id; |
| 306 |
} |
| 307 |
else |
| 308 |
{ |
| 309 |
from = me.name; |
| 310 |
to = source_p->name; |
| 311 |
} |
| 312 |
|
| 313 |
if ((out = fopen(filename, "a")) == NULL) |
| 314 |
{ |
| 315 |
sendto_realops_flags(UMODE_ALL, L_ALL, |
| 316 |
"*** Problem opening %s ", filename); |
| 317 |
return; |
| 318 |
} |
| 319 |
|
| 320 |
switch(type) |
| 321 |
{ |
| 322 |
case KLINE_TYPE: |
| 323 |
aconf = (struct AccessItem *)map_to_conf(conf); |
| 324 |
sendto_realops_flags(UMODE_ALL, L_ALL, |
| 325 |
"%s added K-Line for [%s@%s] [%s]", |
| 326 |
get_oper_name(source_p), |
| 327 |
aconf->user, aconf->host, aconf->reason); |
| 328 |
sendto_one(source_p, ":%s NOTICE %s :Added K-Line [%s@%s]", |
| 329 |
from, to, aconf->user, aconf->host); |
| 330 |
ilog(LOG_TYPE_KLINE, "%s added K-Line for [%s@%s] [%s]", |
| 331 |
source_p->name, aconf->user, aconf->host, aconf->reason); |
| 332 |
write_csv_line(out, "%s%s%s%s%s%s%d", |
| 333 |
aconf->user, aconf->host, |
| 334 |
aconf->reason, aconf->oper_reason, current_date, |
| 335 |
get_oper_name(source_p), cur_time); |
| 336 |
break; |
| 337 |
#ifdef HAVE_LIBPCRE |
| 338 |
case RKLINE_TYPE: |
| 339 |
aconf = map_to_conf(conf); |
| 340 |
sendto_realops_flags(UMODE_ALL, L_ALL, |
| 341 |
"%s added RK-Line for [%s@%s] [%s]", |
| 342 |
get_oper_name(source_p), |
| 343 |
aconf->user, aconf->host, aconf->reason); |
| 344 |
sendto_one(source_p, ":%s NOTICE %s :Added RK-Line [%s@%s]", |
| 345 |
from, to, aconf->user, aconf->host); |
| 346 |
ilog(LOG_TYPE_IRCD, "%s added K-Line for [%s@%s] [%s]", |
| 347 |
source_p->name, aconf->user, aconf->host, aconf->reason); |
| 348 |
|
| 349 |
write_csv_line(out, "%s%s%s%s%s%s%d", |
| 350 |
aconf->user, aconf->host, |
| 351 |
aconf->reason, aconf->oper_reason, current_date, |
| 352 |
get_oper_name(source_p), cur_time); |
| 353 |
break; |
| 354 |
#endif |
| 355 |
case DLINE_TYPE: |
| 356 |
aconf = (struct AccessItem *)map_to_conf(conf); |
| 357 |
sendto_realops_flags(UMODE_ALL, L_ALL, |
| 358 |
"%s added D-Line for [%s] [%s]", |
| 359 |
get_oper_name(source_p), aconf->host, aconf->reason); |
| 360 |
sendto_one(source_p, ":%s NOTICE %s :Added D-Line [%s] to %s", |
| 361 |
from, to, aconf->host, filename); |
| 362 |
ilog(LOG_TYPE_DLINE, "%s added D-Line for [%s] [%s]", |
| 363 |
get_oper_name(source_p), aconf->host, aconf->reason); |
| 364 |
write_csv_line(out, "%s%s%s%s%s%d", |
| 365 |
aconf->host, aconf->reason, aconf->oper_reason, |
| 366 |
current_date, |
| 367 |
get_oper_name(source_p), cur_time); |
| 368 |
break; |
| 369 |
|
| 370 |
case XLINE_TYPE: |
| 371 |
xconf = (struct MatchItem *)map_to_conf(conf); |
| 372 |
sendto_realops_flags(UMODE_ALL, L_ALL, |
| 373 |
"%s added X-Line for [%s] [%s]", |
| 374 |
get_oper_name(source_p), conf->name, |
| 375 |
xconf->reason); |
| 376 |
sendto_one(source_p, |
| 377 |
":%s NOTICE %s :Added X-Line [%s] [%d] [%s] to %s", |
| 378 |
from, to, conf->name, |
| 379 |
xconf->action, xconf->reason, filename); |
| 380 |
ilog(LOG_TYPE_IRCD, "%s added X-Line for [%s] [%s]", |
| 381 |
get_oper_name(source_p), conf->name, xconf->reason); |
| 382 |
write_csv_line(out, "%s%s%s%s%s%d", |
| 383 |
conf->name, xconf->reason, xconf->oper_reason, |
| 384 |
current_date, get_oper_name(source_p), cur_time); |
| 385 |
break; |
| 386 |
#ifdef HAVE_LIBPCRE |
| 387 |
case RXLINE_TYPE: |
| 388 |
xconf = (struct MatchItem *)map_to_conf(conf); |
| 389 |
sendto_realops_flags(UMODE_ALL, L_ALL, |
| 390 |
"%s added RX-Line for [%s] [%s]", |
| 391 |
get_oper_name(source_p), conf->name, |
| 392 |
xconf->reason); |
| 393 |
sendto_one(source_p, |
| 394 |
":%s NOTICE %s :Added RX-Line [%s] [%s] to %s", |
| 395 |
from, to, conf->name, |
| 396 |
xconf->reason, filename); |
| 397 |
ilog(LOG_TYPE_IRCD, "%s added X-Line for [%s] [%s]", |
| 398 |
get_oper_name(source_p), conf->name, xconf->reason); |
| 399 |
write_csv_line(out, "%s%s%s%s%s%d", |
| 400 |
conf->name, xconf->reason, xconf->oper_reason, |
| 401 |
current_date, get_oper_name(source_p), cur_time); |
| 402 |
break; |
| 403 |
#endif |
| 404 |
case CRESV_TYPE: |
| 405 |
cresv_p = (struct ResvChannel *)map_to_conf(conf); |
| 406 |
|
| 407 |
write_csv_line(out, "%s%s", |
| 408 |
cresv_p->name, cresv_p->reason); |
| 409 |
break; |
| 410 |
|
| 411 |
case NRESV_TYPE: |
| 412 |
nresv_p = (struct MatchItem *)map_to_conf(conf); |
| 413 |
|
| 414 |
write_csv_line(out, "%s%s", |
| 415 |
conf->name, nresv_p->reason); |
| 416 |
break; |
| 417 |
|
| 418 |
default: |
| 419 |
fclose(out); |
| 420 |
return; |
| 421 |
} |
| 422 |
|
| 423 |
fclose(out); |
| 424 |
} |
| 425 |
|
| 426 |
/* |
| 427 |
* write_csv_line() |
| 428 |
* |
| 429 |
* inputs - pointer to FILE * |
| 430 |
* - formatted string |
| 431 |
* output - |
| 432 |
* side effects - single line is written to csv conf file |
| 433 |
*/ |
| 434 |
static int |
| 435 |
write_csv_line(FILE *out, const char *format, ...) |
| 436 |
{ |
| 437 |
char c; |
| 438 |
size_t bytes = 0; |
| 439 |
va_list args; |
| 440 |
char tmp[1024]; |
| 441 |
char *str = tmp; |
| 442 |
const char *null_string = ""; |
| 443 |
|
| 444 |
if (out == NULL) |
| 445 |
return(0); |
| 446 |
|
| 447 |
va_start(args, format); |
| 448 |
|
| 449 |
while ((c = *format++)) |
| 450 |
{ |
| 451 |
if (c == '%') |
| 452 |
{ |
| 453 |
c = *format++; |
| 454 |
if (c == 's') |
| 455 |
{ |
| 456 |
const char *p1 = va_arg(args, const char *); |
| 457 |
if (p1 == NULL) |
| 458 |
p1 = null_string; |
| 459 |
*str++ = '\"'; |
| 460 |
++bytes; |
| 461 |
while (*p1 != '\0') |
| 462 |
{ |
| 463 |
*str++ = *p1++; |
| 464 |
++bytes; |
| 465 |
} |
| 466 |
*str++ = '\"'; |
| 467 |
*str++ = ','; |
| 468 |
|
| 469 |
bytes += 2; |
| 470 |
continue; |
| 471 |
} |
| 472 |
if (c == 'c') |
| 473 |
{ |
| 474 |
*str++ = '\"'; |
| 475 |
++bytes; |
| 476 |
*str++ = (char) va_arg(args, int); |
| 477 |
++bytes; |
| 478 |
*str++ = '\"'; |
| 479 |
*str++ = ','; |
| 480 |
|
| 481 |
bytes += 2; |
| 482 |
continue; |
| 483 |
} |
| 484 |
|
| 485 |
if (c == 'd') |
| 486 |
{ |
| 487 |
int v = va_arg(args, int); |
| 488 |
char t[40]; |
| 489 |
char *p=t; |
| 490 |
|
| 491 |
while (v > 10) |
| 492 |
{ |
| 493 |
*p++ = (v % 10) + '0'; |
| 494 |
v = v/10; |
| 495 |
} |
| 496 |
*p++ = (v % 10) + '0'; |
| 497 |
|
| 498 |
*str++ = '\"'; |
| 499 |
++bytes; |
| 500 |
while (p != t) |
| 501 |
{ |
| 502 |
*str++ = *--p; |
| 503 |
++bytes; |
| 504 |
} |
| 505 |
|
| 506 |
*str++ = '\"'; |
| 507 |
*str++ = ','; |
| 508 |
bytes += 2; |
| 509 |
continue; |
| 510 |
} |
| 511 |
if (c != '%') |
| 512 |
{ |
| 513 |
int ret; |
| 514 |
|
| 515 |
format -= 2; |
| 516 |
ret = vsprintf(str, format, args); |
| 517 |
str += ret; |
| 518 |
bytes += ret; |
| 519 |
*str++ = ','; |
| 520 |
|
| 521 |
++bytes; |
| 522 |
break; |
| 523 |
} |
| 524 |
} |
| 525 |
*str++ = c; |
| 526 |
++bytes; |
| 527 |
} |
| 528 |
|
| 529 |
if (*(str-1) == ',') |
| 530 |
{ |
| 531 |
*(str-1) = '\n'; |
| 532 |
*str = '\0'; |
| 533 |
} |
| 534 |
else |
| 535 |
{ |
| 536 |
*str++ = '\n'; |
| 537 |
++bytes; |
| 538 |
*str = '\0'; |
| 539 |
} |
| 540 |
|
| 541 |
va_end(args); |
| 542 |
str = tmp; |
| 543 |
fputs(str, out); |
| 544 |
|
| 545 |
return(bytes); |
| 546 |
} |
| 547 |
|
| 548 |
/* |
| 549 |
* getfield |
| 550 |
* |
| 551 |
* inputs - input buffer |
| 552 |
* output - next field |
| 553 |
* side effects - field breakup for ircd.conf file. |
| 554 |
*/ |
| 555 |
static char * |
| 556 |
getfield(char *newline) |
| 557 |
{ |
| 558 |
static char *line = NULL; |
| 559 |
char *end, *field; |
| 560 |
|
| 561 |
if (newline != NULL) |
| 562 |
line = newline; |
| 563 |
|
| 564 |
if (line == NULL) |
| 565 |
return(NULL); |
| 566 |
|
| 567 |
field = line; |
| 568 |
|
| 569 |
/* skip everything that's not a starting quote */ |
| 570 |
for(;;) |
| 571 |
{ |
| 572 |
if (*field == '\0') |
| 573 |
return(NULL); |
| 574 |
else if (*field == '"') |
| 575 |
break; |
| 576 |
++field; |
| 577 |
} |
| 578 |
|
| 579 |
/* skip over the beginning " */ |
| 580 |
end = ++field; |
| 581 |
|
| 582 |
for (;;) |
| 583 |
{ |
| 584 |
/* At end of string, mark it as end and return */ |
| 585 |
if ((*end == '\0') || (*end == '\n')) |
| 586 |
{ |
| 587 |
line = NULL; |
| 588 |
return(NULL); |
| 589 |
} |
| 590 |
else if (*end == '\\') /* found escape character ? */ |
| 591 |
{ |
| 592 |
end++; |
| 593 |
} |
| 594 |
else if (*end == '"') /* found terminating " */ |
| 595 |
{ |
| 596 |
*end++ = '\0'; |
| 597 |
line = end; |
| 598 |
return(field); |
| 599 |
} |
| 600 |
|
| 601 |
end++; |
| 602 |
} |
| 603 |
|
| 604 |
return (NULL); |
| 605 |
} |
| 606 |
|
| 607 |
/* remove_conf_line() |
| 608 |
* |
| 609 |
* inputs - type of kline to remove |
| 610 |
* - pointer to oper removing |
| 611 |
* - pat1 pat2 patterns to match |
| 612 |
* output - -1 if unsuccessful 0 if no change 1 if change |
| 613 |
* side effects - |
| 614 |
*/ |
| 615 |
int |
| 616 |
remove_conf_line(ConfType type, struct Client *source_p, const char *pat1, const char *pat2) |
| 617 |
{ |
| 618 |
const char *filename; |
| 619 |
FILE *in, *out; |
| 620 |
int pairme=0; |
| 621 |
char buf[IRCD_BUFSIZE], buff[IRCD_BUFSIZE], temppath[IRCD_BUFSIZE]; |
| 622 |
char *found1; |
| 623 |
char *found2; |
| 624 |
int oldumask; |
| 625 |
int (*cmpfunc)(const char *, const char *) = irccmp; |
| 626 |
|
| 627 |
if (type == RXLINE_TYPE || type == RKLINE_TYPE) |
| 628 |
cmpfunc = strcmp; |
| 629 |
|
| 630 |
filename = get_conf_name(type); |
| 631 |
|
| 632 |
if ((in = fopen(filename, "r")) == NULL) |
| 633 |
{ |
| 634 |
sendto_one(source_p, ":%s NOTICE %s :Cannot open %s", me.name, |
| 635 |
source_p->name, filename); |
| 636 |
return -1; |
| 637 |
} |
| 638 |
|
| 639 |
ircsprintf(temppath, "%s.tmp", filename); |
| 640 |
oldumask = umask(0); |
| 641 |
|
| 642 |
if ((out = fopen(temppath, "w")) == NULL) |
| 643 |
{ |
| 644 |
sendto_one(source_p, ":%s NOTICE %s :Cannot open %s", me.name, |
| 645 |
source_p->name, temppath); |
| 646 |
fclose(in); |
| 647 |
umask(oldumask); |
| 648 |
return -1; |
| 649 |
} |
| 650 |
|
| 651 |
umask(oldumask); |
| 652 |
oldumask = umask(0); |
| 653 |
|
| 654 |
while (fgets(buf, sizeof(buf), in) != NULL) |
| 655 |
{ |
| 656 |
if ((*buf == '\0') || (*buf == '#')) |
| 657 |
{ |
| 658 |
if (flush_write(source_p, in, out, buf, temppath) < 0) |
| 659 |
return -1; |
| 660 |
} |
| 661 |
|
| 662 |
/* Keep copy of original line, getfield trashes line as it goes */ |
| 663 |
strlcpy(buff, buf, sizeof(buff)); |
| 664 |
|
| 665 |
if ((found1 = getfield(buff)) == NULL) |
| 666 |
{ |
| 667 |
if (flush_write(source_p, in, out, buf, temppath) < 0) |
| 668 |
return -1; |
| 669 |
continue; |
| 670 |
} |
| 671 |
|
| 672 |
if (pat2 != NULL) |
| 673 |
{ |
| 674 |
if ((found2 = getfield(NULL)) == NULL) |
| 675 |
{ |
| 676 |
if (flush_write(source_p, in, out, buf, temppath) < 0) |
| 677 |
return -1; |
| 678 |
continue; |
| 679 |
} |
| 680 |
|
| 681 |
if (!cmpfunc(pat1, found1) && !cmpfunc(pat2, found2)) |
| 682 |
{ |
| 683 |
pairme = 1; |
| 684 |
continue; |
| 685 |
} |
| 686 |
else |
| 687 |
{ |
| 688 |
if(flush_write(source_p, in, out, buf, temppath) < 0) |
| 689 |
return -1; |
| 690 |
continue; |
| 691 |
} |
| 692 |
} |
| 693 |
else |
| 694 |
{ |
| 695 |
if (!cmpfunc(pat1, found1)) |
| 696 |
{ |
| 697 |
pairme = 1; |
| 698 |
continue; |
| 699 |
} |
| 700 |
else |
| 701 |
{ |
| 702 |
if(flush_write(source_p, in, out, buf, temppath) < 0) |
| 703 |
return -1; |
| 704 |
continue; |
| 705 |
} |
| 706 |
} |
| 707 |
} |
| 708 |
|
| 709 |
fclose(in); |
| 710 |
fclose(out); |
| 711 |
|
| 712 |
/* The result of the rename should be checked too... oh well */ |
| 713 |
/* If there was an error on a write above, then its been reported |
| 714 |
* and I am not going to trash the original kline /conf file |
| 715 |
*/ |
| 716 |
|
| 717 |
if (pairme == 0) |
| 718 |
{ |
| 719 |
if(temppath != NULL) |
| 720 |
(void)unlink(temppath); |
| 721 |
return 0; |
| 722 |
} |
| 723 |
else |
| 724 |
{ |
| 725 |
(void)rename(temppath, filename); |
| 726 |
|
| 727 |
/* XXX |
| 728 |
* This is a very inefficient way of removing a kline/xline etc. |
| 729 |
* This next function call forces a complete re-read of all conf |
| 730 |
* files, instead of a re-read of the kline/dline etc. files modified |
| 731 |
* But, consider how often an /quote unkline etc. is done compared |
| 732 |
* to how often a /quote kline is done. Its not a biggie in |
| 733 |
* the grand scheme of things. If it does become a biggie, |
| 734 |
* we will rewrite it - Dianora |
| 735 |
*/ |
| 736 |
|
| 737 |
rehash(0); |
| 738 |
return 1; |
| 739 |
} |
| 740 |
} |
| 741 |
|
| 742 |
/* |
| 743 |
* flush_write() |
| 744 |
* |
| 745 |
* inputs - pointer to client structure of oper requesting unkline |
| 746 |
* - in is the input file descriptor |
| 747 |
* - out is the output file descriptor |
| 748 |
* - buf is the buffer to write |
| 749 |
* - ntowrite is the expected number of character to be written |
| 750 |
* - temppath is the temporary file name to be written |
| 751 |
* output - -1 for error on write |
| 752 |
* - 0 for ok |
| 753 |
* side effects - if successful, the buf is written to output file |
| 754 |
* if a write failure happesn, and the file pointed to |
| 755 |
* by temppath, if its non NULL, is removed. |
| 756 |
* |
| 757 |
* The idea here is, to be as robust as possible when writing to the |
| 758 |
* kline file. |
| 759 |
* |
| 760 |
* -Dianora |
| 761 |
*/ |
| 762 |
static int |
| 763 |
flush_write(struct Client *source_p, FILE *in, FILE* out, |
| 764 |
const char *buf, const char *temppath) |
| 765 |
{ |
| 766 |
int error_on_write = fputs(buf, out) < 0 ? (-1) : (0); |
| 767 |
|
| 768 |
if (error_on_write) |
| 769 |
{ |
| 770 |
sendto_one(source_p,":%s NOTICE %s :Unable to write to %s aborting", |
| 771 |
me.name, source_p->name, temppath); |
| 772 |
if(temppath != NULL) |
| 773 |
(void)unlink(temppath); |
| 774 |
fclose(in); |
| 775 |
fclose(out); |
| 776 |
} |
| 777 |
|
| 778 |
return (error_on_write); |
| 779 |
} |
