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root/svn/ircd-hybrid/trunk/src/conf_lexer.l
Revision: 1302
Committed: Wed Mar 21 17:48:54 2012 UTC (14 years, 6 months ago) by michael
Original Path: ircd-hybrid-8/src/ircd_lexer.l
File size: 15866 byte(s)
Log Message:
- remove servlink in preparation for tls links/compression

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

Properties

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