ViewVC Help
View File | Revision Log | Show Annotations | View Changeset | Root Listing
root/svn/ircd-hybrid/trunk/src/conf_lexer.l
Revision: 1301
Committed: Sat Mar 10 21:47:17 2012 UTC (13 years, 5 months ago) by michael
Original Path: ircd-hybrid-8/src/ircd_lexer.l
File size: 16134 byte(s)
Log Message:
- add 'dline' and 'undline' operator flags
- implement remote dlines mainly for services purposes, but can be used
  by operators as well
- update example configuration files; remove invalid shared::flags entries

File Contents

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

Properties

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