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root/svn/ircd-hybrid/trunk/src/conf_lexer.l
Revision: 1516
Committed: Thu Aug 30 15:08:36 2012 UTC (14 years, 1 month ago) by michael
Original Path: ircd-hybrid-8/src/conf_lexer.l
File size: 16168 byte(s)
Error occurred while calculating annotation data.
Log Message:
- Removed general::client_flood configuration option and added the
  new 'recvq' configuration directive to class{} blocks.
  The max size of a receive queue can be seen in "STATS Y" for each class
- Update NEWS

File Contents

# Content
1 /*
2 * ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
3 * conf_lexer.l: Scans the ircd configuration file for tokens.
4 *
5 * Copyright (C) 2002 by the past and present ircd coders, and others.
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
20 * USA
21 *
22 * $Id$
23 */
24
25 %option case-insensitive
26 %option noyywrap
27 %option nounput
28 %option never-interactive
29
30 %{
31 #include "stdinc.h"
32 #include "irc_string.h"
33 #include "conf.h"
34 #include "conf_parser.h" /* autogenerated header file */
35 #include "memory.h"
36 #include "hostmask.h"
37 #include "log.h"
38
39 #undef YY_INPUT
40 #define YY_FATAL_ERROR(msg) conf_yy_fatal_error(msg)
41 #define YY_INPUT(buf,result,max_size) \
42 if (!(result = conf_yy_input(buf, max_size))) \
43 YY_FATAL_ERROR("input in flex scanner failed");
44 #define MAX_INCLUDE_DEPTH 10
45
46
47 unsigned int lineno = 1;
48 char linebuf[IRCD_BUFSIZE];
49 char conffilebuf[IRCD_BUFSIZE];
50
51 static int include_stack_ptr = 0;
52 static YY_BUFFER_STATE include_stack[MAX_INCLUDE_DEPTH];
53 static unsigned int lineno_stack[MAX_INCLUDE_DEPTH];
54 static FILE *inc_fbfile_in[MAX_INCLUDE_DEPTH];
55 static char conffile_stack[MAX_INCLUDE_DEPTH][IRCD_BUFSIZE];
56 static void ccomment(void);
57 static void cinclude(void);
58 static int ieof(void);
59
60 static int
61 conf_yy_input(char *lbuf, unsigned int max_size)
62 {
63 return !fgets(lbuf, max_size, conf_parser_ctx.conf_file) ? 0 : strlen(lbuf);
64 }
65
66 static int
67 conf_yy_fatal_error(const char *msg)
68 {
69 return 0;
70 }
71
72 %}
73
74 WS [[:blank:]]*
75 DIGIT [[:digit:]]+
76 COMMENT ("//"|"#").*
77 qstring \"[^\"\n]*[\"\n]
78 include \.include{WS}(\<.*\>|\".*\")
79
80 %%
81 {include} { cinclude(); }
82 "/*" { ccomment(); }
83
84 \n.* { strlcpy(linebuf, yytext+1, sizeof(linebuf)); ++lineno; yyless(1); }
85
86 {WS} ;
87 {COMMENT} ;
88
89 {DIGIT} { yylval.number = atoi(yytext); return NUMBER; }
90
91 {qstring} { if (yytext[yyleng-2] == '\\')
92 {
93 yyless(yyleng-1); /* return last quote */
94 yymore(); /* append next string */
95 }
96 else
97 {
98 yylval.string = yytext+1;
99 if(yylval.string[yyleng-2] != '"')
100 ilog(LOG_TYPE_IRCD, "Unterminated character string");
101 else
102 {
103 int i,j;
104
105 yylval.string[yyleng-2] = '\0'; /* remove close
106 * quote
107 */
108
109 for (j=i=0 ;yylval.string[i] != '\0'; i++,j++)
110 {
111 if (yylval.string[i] != '\\')
112 {
113 yylval.string[j] = yylval.string[i];
114 }
115 else
116 {
117 i++;
118 if (yylval.string[i] == '\0') /* XXX
119 * should not
120 * happen
121 */
122 {
123 ilog(LOG_TYPE_IRCD,
124 "Unterminated character string");
125 break;
126 }
127 yylval.string[j] = yylval.string[i];
128 }
129 }
130 yylval.string[j] = '\0';
131 return QSTRING;
132 }
133 }
134 }
135
136 accept_password { return ACCEPT_PASSWORD; }
137 action { return ACTION; }
138 admin { return ADMIN; }
139 administrator { return ADMIN; }
140 aftype { return AFTYPE; }
141 all { return T_ALL; }
142 allow { return T_ALLOW; }
143 auth { return IRCD_AUTH; }
144 autoconn { return AUTOCONN; }
145 block { return T_BLOCK; }
146 burst_away { return BURST_AWAY; }
147 can_flood { return CAN_FLOOD; }
148 caller_id_wait { return CALLER_ID_WAIT; }
149 opers_bypass_callerid { return OPERS_BYPASS_CALLERID; }
150 channel { return CHANNEL; }
151 cidr_bitlen_ipv4 { return CIDR_BITLEN_IPV4; }
152 cidr_bitlen_ipv6 { return CIDR_BITLEN_IPV6; }
153 class { return CLASS; }
154 cluster { return T_CLUSTER; }
155 connect { return CONNECT; }
156 connectfreq { return CONNECTFREQ; }
157 default_floodcount { return DEFAULT_FLOODCOUNT; }
158 default_split_server_count { return DEFAULT_SPLIT_SERVER_COUNT; }
159 default_split_user_count { return DEFAULT_SPLIT_USER_COUNT; }
160 deny { return DENY; }
161 description { return DESCRIPTION; }
162 die { return DIE; }
163 disable_auth { return DISABLE_AUTH; }
164 disable_fake_channels { return DISABLE_FAKE_CHANNELS; }
165 disable_remote_commands { return DISABLE_REMOTE_COMMANDS; }
166 dline { return T_DLINE; }
167 dots_in_ident { return DOTS_IN_IDENT; }
168 duration { return DURATION; }
169 egdpool_path { return EGDPOOL_PATH; }
170 email { return EMAIL; }
171 enable { return ENABLE; }
172 encrypted { return ENCRYPTED; }
173 exceed_limit { return EXCEED_LIMIT; }
174 exempt { return EXEMPT; }
175 file { return T_FILE; }
176 flags { return IRCD_FLAGS; }
177 flatten_links { return FLATTEN_LINKS; }
178 gecos { return GECOS; }
179 general { return GENERAL; }
180 gline { return GLINE; }
181 gline_enable { return GLINE_ENABLE; }
182 gline_exempt { return GLINE_EXEMPT; }
183 gline_duration { return GLINE_DURATION; }
184 gline_request_duration { return GLINE_REQUEST_DURATION; }
185 gline_min_cidr { return GLINE_MIN_CIDR; }
186 gline_min_cidr6 { return GLINE_MIN_CIDR6; }
187 globops { return T_GLOBOPS; }
188 global_kill { return GLOBAL_KILL; }
189 have_ident { return NEED_IDENT; }
190 need_ident { return NEED_IDENT; }
191 havent_read_conf { return HAVENT_READ_CONF; }
192 hidden { return HIDDEN; }
193 hidden_name { return HIDDEN_NAME; }
194 hide_server_ips { return HIDE_SERVER_IPS; }
195 hide_servers { return HIDE_SERVERS; }
196 hide_spoof_ips { return HIDE_SPOOF_IPS; }
197 host { return HOST; }
198 hub { return HUB; }
199 hub_mask { return HUB_MASK; }
200 ignore_bogus_ts { return IGNORE_BOGUS_TS; }
201 invisible_on_connect { return INVISIBLE_ON_CONNECT; }
202 ip { return IP; }
203 ipv4 { return T_IPV4; }
204 ipv6 { return T_IPV6; }
205 join_flood_count { return JOIN_FLOOD_COUNT; }
206 join_flood_time { return JOIN_FLOOD_TIME; }
207 kill { return KILL; }
208 kill_chase_time_limit { return KILL_CHASE_TIME_LIMIT; }
209 kline { return KLINE; }
210 kline_exempt { return KLINE_EXEMPT; }
211 leaf_mask { return LEAF_MASK; }
212 listen { return LISTEN; }
213 log { return T_LOG; }
214 masked { return TMASKED; }
215 max_clients { return T_MAX_CLIENTS; }
216 max_ident { return MAX_IDENT; }
217 max_local { return MAX_LOCAL; }
218 max_global { return MAX_GLOBAL; }
219 max_number { return MAX_NUMBER; }
220 max_watch { return MAX_WATCH; }
221 message_locale { return MESSAGE_LOCALE; }
222 min_nonwildcard { return MIN_NONWILDCARD; }
223 min_nonwildcard_simple { return MIN_NONWILDCARD_SIMPLE; }
224 name { return NAME; }
225 need_password { return NEED_PASSWORD; }
226 network_desc { return NETWORK_DESC; }
227 network_name { return NETWORK_NAME; }
228 nick { return NICK; }
229 nick_changes { return NICK_CHANGES; }
230 no { yylval.number = 0; return TBOOL; }
231 no_create_on_split { return NO_CREATE_ON_SPLIT; }
232 no_join_on_split { return NO_JOIN_ON_SPLIT; }
233 no_oper_flood { return NO_OPER_FLOOD; }
234 no_tilde { return NO_TILDE; }
235 number_per_cidr { return NUMBER_PER_CIDR; }
236 number_per_ip { return NUMBER_PER_IP; }
237 oper { return OPERATOR; }
238 oper_pass_resv { return OPER_PASS_RESV; }
239 operator { return OPERATOR; }
240 passwd { return PASSWORD; }
241 password { return PASSWORD; }
242 ping_cookie { return PING_COOKIE; }
243 ping_time { return PING_TIME; }
244 ping_warning { return PING_WARNING; }
245 port { return PORT; }
246 quarantine { return RESV; }
247 quiet_on_ban { return QUIET_ON_BAN; }
248 reason { return REASON; }
249 recvq { return T_RECVQ; }
250 redirport { return REDIRPORT; }
251 redirserv { return REDIRSERV; }
252 regex { return REGEX_T; }
253 rehash { return REHASH; }
254 reject { return T_REJECT; }
255 reject_hold_time { return TREJECT_HOLD_TIME; }
256 remote { return REMOTE; }
257 remoteban { return REMOTEBAN; }
258 restart { return T_RESTART; }
259 restrict_channels { return RESTRICT_CHANNELS; }
260 resv { return RESV; }
261 resv_exempt { return RESV_EXEMPT; }
262 rsa_private_key_file { return RSA_PRIVATE_KEY_FILE; }
263 rsa_public_key_file { return RSA_PUBLIC_KEY_FILE; }
264 ssl { return T_SSL; }
265 ssl_certificate_file { return SSL_CERTIFICATE_FILE; }
266 ssl_client_method { return T_SSL_CLIENT_METHOD; }
267 ssl_server_method { return T_SSL_SERVER_METHOD; }
268 ssl_dh_param_file { return SSL_DH_PARAM_FILE; }
269 ssl_cipher_list { return T_SSL_CIPHER_LIST; }
270 sslv3 { return T_SSLV3; }
271 tlsv1 { return T_TLSV1; }
272 send_password { return SEND_PASSWORD; }
273 sendq { return SENDQ; }
274 server { return T_SERVER; }
275 serverhide { return SERVERHIDE; }
276 serverinfo { return SERVERINFO; }
277 service { return T_SERVICE; }
278 services_name { return T_SERVICES_NAME; }
279 set { return T_SET; }
280 shared { return T_SHARED; }
281 short_motd { return SHORT_MOTD; }
282 sid { return IRCD_SID; }
283 silent { return SILENT; }
284 size { return T_SIZE; }
285 spoof { return SPOOF; }
286 spoof_notice { return SPOOF_NOTICE; }
287 tkline_expire_notices { return TKLINE_EXPIRE_NOTICES; }
288 type { return TYPE; }
289 true_no_oper_flood { return TRUE_NO_OPER_FLOOD; }
290 umodes { return T_UMODES; }
291 unkline { return UNKLINE; }
292 undline { return T_UNDLINE; }
293 unlimited { return T_UNLIMITED; }
294 use_egd { return USE_EGD; }
295 use_logging { return USE_LOGGING; }
296 use_whois_actually { return USE_WHOIS_ACTUALLY; }
297 throttle_time { return THROTTLE_TIME; }
298 user { return USER; }
299 tkline { return TKLINE; }
300 txline { return TXLINE; }
301 tresv { return TRESV; }
302 vhost { return VHOST; }
303 vhost6 { return VHOST6; }
304 warn { return WARN; }
305 xline { return XLINE; }
306 yes { yylval.number = 1; return TBOOL; }
307
308 failed_oper_notice { return FAILED_OPER_NOTICE; }
309 max_accept { return MAX_ACCEPT; }
310 max_nick_changes { return MAX_NICK_CHANGES; }
311 max_chans_per_oper { return MAX_CHANS_PER_OPER; }
312 max_chans_per_user { return MAX_CHANS_PER_USER; }
313 max_nick_time { return MAX_NICK_TIME; }
314 anti_nick_flood { return ANTI_NICK_FLOOD; }
315 anti_spam_exit_message_time { return ANTI_SPAM_EXIT_MESSAGE_TIME; }
316 ts_max_delta { return TS_MAX_DELTA; }
317 ts_warn_delta { return TS_WARN_DELTA; }
318 links_delay { return LINKS_DELAY; }
319 kline_reason { return KLINE_REASON; }
320 kline_with_reason { return KLINE_WITH_REASON; }
321 warn_no_nline { return WARN_NO_NLINE; }
322
323 stats_e_disabled { return STATS_E_DISABLED; }
324 stats_o_oper_only { return STATS_O_OPER_ONLY; }
325 stats_k_oper_only { return STATS_K_OPER_ONLY; }
326 stats_i_oper_only { return STATS_I_OPER_ONLY; }
327 stats_P_oper_only { return STATS_P_OPER_ONLY; }
328 pace_wait { return PACE_WAIT; }
329 pace_wait_simple { return PACE_WAIT_SIMPLE; }
330 knock_delay { return KNOCK_DELAY; }
331 knock_delay_channel { return KNOCK_DELAY_CHANNEL; }
332 max_bans { return MAX_BANS; }
333 modules { return MODULES; }
334 module { return MODULE; }
335 path { return PATH; }
336 max_targets { return MAX_TARGETS; }
337
338 unxline { return T_UNXLINE; }
339 unresv { return T_UNRESV; }
340
341 oper_only_umodes { return OPER_ONLY_UMODES; }
342 oper_umodes { return OPER_UMODES; }
343 bots { return T_BOTS; }
344 cconn { return T_CCONN; }
345 cconn_full { return T_CCONN_FULL; }
346 deaf { return T_DEAF; }
347 debug { return T_DEBUG; }
348 full { return T_FULL; }
349 skill { return T_SKILL; }
350 nchange { return T_NCHANGE; }
351 rej { return T_REJ; }
352 unauth { return T_UNAUTH; }
353 spy { return T_SPY; }
354 external { return T_EXTERNAL; }
355 operwall { return T_OPERWALL; }
356 servnotice { return T_SERVNOTICE; }
357 invisible { return T_INVISIBLE; }
358 wallop { return T_WALLOP; }
359 callerid { return T_CALLERID; }
360 softcallerid { return T_SOFTCALLERID; }
361 drone { return T_DRONE; }
362 locops { return T_LOCOPS; }
363 topicburst { return TOPICBURST; }
364
365 weeks { return WEEKS; }
366 week { return WEEKS; }
367 days { return DAYS; }
368 day { return DAYS; }
369 hours { return HOURS; }
370 hour { return HOURS; }
371 minutes { return MINUTES; }
372 minute { return MINUTES; }
373 seconds { return SECONDS; }
374 second { return SECONDS; }
375
376 bytes { return BYTES; }
377 byte { return BYTES; }
378 kilobytes { return KBYTES; }
379 kilobyte { return KBYTES; }
380 kbytes { return KBYTES; }
381 kbyte { return KBYTES; }
382 kb { return KBYTES; }
383 megabytes { return MBYTES; }
384 megabyte { return MBYTES; }
385 mbytes { return MBYTES; }
386 mbyte { return MBYTES; }
387 mb { return MBYTES; }
388 gigabytes { return GBYTES; }
389 gigabyte { return GBYTES; }
390 gbytes { return GBYTES; }
391 gbyte { return GBYTES; }
392 gb { return GBYTES; }
393 terabytes { return TBYTES; }
394 terabyte { return TBYTES; }
395 tbytes { return TBYTES; }
396 tbyte { return TBYTES; }
397 tb { return TBYTES; }
398 \.\. { return TWODOTS; }
399
400 . { return yytext[0]; }
401 <<EOF>> { if (ieof()) yyterminate(); }
402
403 %%
404
405 /* C-comment ignoring routine -kre*/
406 static void
407 ccomment(void)
408 {
409 int c = 0;
410
411 /* log(L_NOTICE, "got comment"); */
412 while (1)
413 {
414 while ((c = input()) != '*' && c != EOF)
415 if (c == '\n')
416 ++lineno;
417
418 if (c == '*')
419 {
420 while ((c = input()) == '*')
421 /* Nothing */ ;
422 if (c == '/')
423 break;
424 else if (c == '\n')
425 ++lineno;
426 }
427
428 if (c == EOF)
429 {
430 YY_FATAL_ERROR("EOF in comment");
431 /* XXX hack alert this disables
432 * the stupid unused function warning
433 * gcc generates
434 */
435 if (1 == 0)
436 yy_fatal_error("EOF in comment");
437 break;
438 }
439 }
440 }
441
442 /* C-style .includes. This function will properly swap input conf buffers,
443 * and lineno -kre */
444 static void
445 cinclude(void)
446 {
447 char *p = NULL;
448
449 if ((p = strchr(yytext, '<')) == NULL)
450 *strchr(p = strchr(yytext, '"') + 1, '"') = '\0';
451 else
452 *strchr(++p, '>') = '\0';
453
454 /* log(L_NOTICE, "got include %s!", c); */
455
456 /* do stacking and co. */
457 if (include_stack_ptr >= MAX_INCLUDE_DEPTH)
458 ilog(LOG_TYPE_IRCD, "Includes nested too deep in %s", p);
459 else
460 {
461 FILE *tmp_fbfile_in = NULL;
462 char filenamebuf[IRCD_BUFSIZE];
463
464 if (*p == '/') /* if it is an absolute path */
465 snprintf(filenamebuf, sizeof(filenamebuf), "%s", p);
466 else
467 snprintf(filenamebuf, sizeof(filenamebuf), "%s/%s", ETCPATH, p);
468
469 tmp_fbfile_in = fopen(filenamebuf, "r");
470
471 if (tmp_fbfile_in == NULL)
472 {
473 ilog(LOG_TYPE_IRCD, "Unable to read configuration file '%s': %s",
474 filenamebuf, strerror(errno));
475 return;
476 }
477
478 lineno_stack[include_stack_ptr] = lineno;
479 lineno = 1;
480 inc_fbfile_in[include_stack_ptr] = conf_parser_ctx.conf_file;
481 strlcpy(conffile_stack[include_stack_ptr], conffilebuf, IRCD_BUFSIZE);
482 include_stack[include_stack_ptr++] = YY_CURRENT_BUFFER;
483 conf_parser_ctx.conf_file = tmp_fbfile_in;
484 snprintf(conffilebuf, sizeof(conffilebuf), "%s", filenamebuf);
485 yy_switch_to_buffer(yy_create_buffer(yyin, YY_BUF_SIZE));
486 }
487 }
488
489 /* This is function that will be called on EOF in conf file. It will
490 * apropriately close conf if it not main conf and swap input buffers -kre
491 * */
492 static int
493 ieof(void)
494 {
495 /* log(L_NOTICE, "return from include stack!"); */
496 if (include_stack_ptr)
497 fclose(conf_parser_ctx.conf_file);
498 if (--include_stack_ptr < 0)
499 {
500 /* log(L_NOTICE, "terminating lexer"); */
501 /* We will now exit the lexer - restore init values if we get /rehash
502 * later and reenter lexer -kre */
503 include_stack_ptr = 0;
504 lineno = 1;
505 return 1;
506 }
507
508 /* switch buffer */
509 /* log(L_NOTICE, "deleting include_stack_ptr=%d", include_stack_ptr); */
510 yy_delete_buffer(YY_CURRENT_BUFFER);
511 lineno = lineno_stack[include_stack_ptr];
512 conf_parser_ctx.conf_file = inc_fbfile_in[include_stack_ptr];
513 strlcpy(conffilebuf, conffile_stack[include_stack_ptr], sizeof(conffilebuf));
514 yy_switch_to_buffer(include_stack[include_stack_ptr]);
515
516 return 0;
517 }

Properties

Name Value
svn:eol-style native
svn:keywords Id Revision