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root/svn/ircd-hybrid/trunk/src/conf_lexer.l
Revision: 1547
Committed: Sun Sep 30 17:50:03 2012 UTC (14 years ago) by michael
Original Path: ircd-hybrid-8/src/conf_lexer.l
File size: 15417 byte(s)
Error occurred while calculating annotation data.
Log Message:
- Removed general::use_whois_actually configuration directive. This is
  now enabled by default

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 admin { return ADMIN; }
138 administrator { return ADMIN; }
139 aftype { return AFTYPE; }
140 all { return T_ALL; }
141 auth { return IRCD_AUTH; }
142 autoconn { return AUTOCONN; }
143 can_flood { return CAN_FLOOD; }
144 caller_id_wait { return CALLER_ID_WAIT; }
145 opers_bypass_callerid { return OPERS_BYPASS_CALLERID; }
146 channel { return CHANNEL; }
147 cidr_bitlen_ipv4 { return CIDR_BITLEN_IPV4; }
148 cidr_bitlen_ipv6 { return CIDR_BITLEN_IPV6; }
149 class { return CLASS; }
150 cluster { return T_CLUSTER; }
151 connect { return CONNECT; }
152 connectfreq { return CONNECTFREQ; }
153 default_floodcount { return DEFAULT_FLOODCOUNT; }
154 default_split_server_count { return DEFAULT_SPLIT_SERVER_COUNT; }
155 default_split_user_count { return DEFAULT_SPLIT_USER_COUNT; }
156 deny { return DENY; }
157 description { return DESCRIPTION; }
158 die { return DIE; }
159 disable_auth { return DISABLE_AUTH; }
160 disable_fake_channels { return DISABLE_FAKE_CHANNELS; }
161 disable_remote_commands { return DISABLE_REMOTE_COMMANDS; }
162 dline { return T_DLINE; }
163 dots_in_ident { return DOTS_IN_IDENT; }
164 egdpool_path { return EGDPOOL_PATH; }
165 email { return EMAIL; }
166 encrypted { return ENCRYPTED; }
167 exceed_limit { return EXCEED_LIMIT; }
168 exempt { return EXEMPT; }
169 file { return T_FILE; }
170 flags { return IRCD_FLAGS; }
171 flatten_links { return FLATTEN_LINKS; }
172 gecos { return GECOS; }
173 general { return GENERAL; }
174 gline { return GLINE; }
175 gline_enable { return GLINE_ENABLE; }
176 gline_exempt { return GLINE_EXEMPT; }
177 gline_duration { return GLINE_DURATION; }
178 gline_request_duration { return GLINE_REQUEST_DURATION; }
179 gline_min_cidr { return GLINE_MIN_CIDR; }
180 gline_min_cidr6 { return GLINE_MIN_CIDR6; }
181 globops { return T_GLOBOPS; }
182 global_kill { return GLOBAL_KILL; }
183 have_ident { return NEED_IDENT; }
184 need_ident { return NEED_IDENT; }
185 havent_read_conf { return HAVENT_READ_CONF; }
186 hidden { return HIDDEN; }
187 hidden_name { return HIDDEN_NAME; }
188 hide_server_ips { return HIDE_SERVER_IPS; }
189 hide_servers { return HIDE_SERVERS; }
190 hide_spoof_ips { return HIDE_SPOOF_IPS; }
191 host { return HOST; }
192 hub { return HUB; }
193 hub_mask { return HUB_MASK; }
194 ignore_bogus_ts { return IGNORE_BOGUS_TS; }
195 invisible_on_connect { return INVISIBLE_ON_CONNECT; }
196 ip { return IP; }
197 ipv4 { return T_IPV4; }
198 ipv6 { return T_IPV6; }
199 join_flood_count { return JOIN_FLOOD_COUNT; }
200 join_flood_time { return JOIN_FLOOD_TIME; }
201 kill { return KILL; }
202 kill_chase_time_limit { return KILL_CHASE_TIME_LIMIT; }
203 kline { return KLINE; }
204 kline_exempt { return KLINE_EXEMPT; }
205 leaf_mask { return LEAF_MASK; }
206 listen { return LISTEN; }
207 log { return T_LOG; }
208 masked { return TMASKED; }
209 max_clients { return T_MAX_CLIENTS; }
210 max_ident { return MAX_IDENT; }
211 max_local { return MAX_LOCAL; }
212 max_global { return MAX_GLOBAL; }
213 max_number { return MAX_NUMBER; }
214 max_watch { return MAX_WATCH; }
215 message_locale { return MESSAGE_LOCALE; }
216 min_nonwildcard { return MIN_NONWILDCARD; }
217 min_nonwildcard_simple { return MIN_NONWILDCARD_SIMPLE; }
218 name { return NAME; }
219 need_password { return NEED_PASSWORD; }
220 network_desc { return NETWORK_DESC; }
221 network_name { return NETWORK_NAME; }
222 nick { return NICK; }
223 nick_changes { return NICK_CHANGES; }
224 no { yylval.number = 0; return TBOOL; }
225 no_create_on_split { return NO_CREATE_ON_SPLIT; }
226 no_join_on_split { return NO_JOIN_ON_SPLIT; }
227 no_oper_flood { return NO_OPER_FLOOD; }
228 no_tilde { return NO_TILDE; }
229 number_per_cidr { return NUMBER_PER_CIDR; }
230 number_per_ip { return NUMBER_PER_IP; }
231 oper { return OPERATOR; }
232 oper_pass_resv { return OPER_PASS_RESV; }
233 operator { return OPERATOR; }
234 passwd { return PASSWORD; }
235 password { return PASSWORD; }
236 ping_cookie { return PING_COOKIE; }
237 ping_time { return PING_TIME; }
238 ping_warning { return PING_WARNING; }
239 port { return PORT; }
240 quarantine { return RESV; }
241 quiet_on_ban { return QUIET_ON_BAN; }
242 reason { return REASON; }
243 recvq { return T_RECVQ; }
244 redirport { return REDIRPORT; }
245 redirserv { return REDIRSERV; }
246 regex { return REGEX_T; }
247 rehash { return REHASH; }
248 reject_hold_time { return TREJECT_HOLD_TIME; }
249 remote { return REMOTE; }
250 remoteban { return REMOTEBAN; }
251 restart { return T_RESTART; }
252 restrict_channels { return RESTRICT_CHANNELS; }
253 resv { return RESV; }
254 resv_exempt { return RESV_EXEMPT; }
255 rsa_private_key_file { return RSA_PRIVATE_KEY_FILE; }
256 rsa_public_key_file { return RSA_PUBLIC_KEY_FILE; }
257 ssl { return T_SSL; }
258 ssl_certificate_file { return SSL_CERTIFICATE_FILE; }
259 ssl_client_method { return T_SSL_CLIENT_METHOD; }
260 ssl_server_method { return T_SSL_SERVER_METHOD; }
261 ssl_dh_param_file { return SSL_DH_PARAM_FILE; }
262 ssl_cipher_list { return T_SSL_CIPHER_LIST; }
263 sslv3 { return T_SSLV3; }
264 tlsv1 { return T_TLSV1; }
265 send_password { return SEND_PASSWORD; }
266 sendq { return SENDQ; }
267 server { return T_SERVER; }
268 serverhide { return SERVERHIDE; }
269 serverinfo { return SERVERINFO; }
270 service { return T_SERVICE; }
271 services_name { return T_SERVICES_NAME; }
272 set { return T_SET; }
273 shared { return T_SHARED; }
274 short_motd { return SHORT_MOTD; }
275 sid { return IRCD_SID; }
276 size { return T_SIZE; }
277 spoof { return SPOOF; }
278 spoof_notice { return SPOOF_NOTICE; }
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_logging { return USE_LOGGING; }
288 throttle_time { return THROTTLE_TIME; }
289 user { return USER; }
290 vhost { return VHOST; }
291 vhost6 { return VHOST6; }
292 xline { return XLINE; }
293 yes { yylval.number = 1; return TBOOL; }
294
295 failed_oper_notice { return FAILED_OPER_NOTICE; }
296 max_accept { return MAX_ACCEPT; }
297 max_nick_changes { return MAX_NICK_CHANGES; }
298 max_chans_per_oper { return MAX_CHANS_PER_OPER; }
299 max_chans_per_user { return MAX_CHANS_PER_USER; }
300 max_nick_time { return MAX_NICK_TIME; }
301 anti_nick_flood { return ANTI_NICK_FLOOD; }
302 anti_spam_exit_message_time { return ANTI_SPAM_EXIT_MESSAGE_TIME; }
303 ts_max_delta { return TS_MAX_DELTA; }
304 ts_warn_delta { return TS_WARN_DELTA; }
305 links_delay { return LINKS_DELAY; }
306 kline_reason { return KLINE_REASON; }
307 kline_with_reason { return KLINE_WITH_REASON; }
308 warn_no_nline { return WARN_NO_NLINE; }
309
310 stats_e_disabled { return STATS_E_DISABLED; }
311 stats_o_oper_only { return STATS_O_OPER_ONLY; }
312 stats_k_oper_only { return STATS_K_OPER_ONLY; }
313 stats_i_oper_only { return STATS_I_OPER_ONLY; }
314 stats_P_oper_only { return STATS_P_OPER_ONLY; }
315 pace_wait { return PACE_WAIT; }
316 pace_wait_simple { return PACE_WAIT_SIMPLE; }
317 knock_delay { return KNOCK_DELAY; }
318 knock_delay_channel { return KNOCK_DELAY_CHANNEL; }
319 max_bans { return MAX_BANS; }
320 modules { return MODULES; }
321 module { return MODULE; }
322 path { return PATH; }
323 max_targets { return MAX_TARGETS; }
324
325 unxline { return T_UNXLINE; }
326 unresv { return T_UNRESV; }
327
328 oper_only_umodes { return OPER_ONLY_UMODES; }
329 oper_umodes { return OPER_UMODES; }
330 bots { return T_BOTS; }
331 cconn { return T_CCONN; }
332 cconn_full { return T_CCONN_FULL; }
333 deaf { return T_DEAF; }
334 debug { return T_DEBUG; }
335 full { return T_FULL; }
336 skill { return T_SKILL; }
337 nchange { return T_NCHANGE; }
338 rej { return T_REJ; }
339 unauth { return T_UNAUTH; }
340 spy { return T_SPY; }
341 external { return T_EXTERNAL; }
342 operwall { return T_OPERWALL; }
343 servnotice { return T_SERVNOTICE; }
344 invisible { return T_INVISIBLE; }
345 wallop { return T_WALLOP; }
346 callerid { return T_CALLERID; }
347 softcallerid { return T_SOFTCALLERID; }
348 locops { return T_LOCOPS; }
349
350 weeks { return WEEKS; }
351 week { return WEEKS; }
352 days { return DAYS; }
353 day { return DAYS; }
354 hours { return HOURS; }
355 hour { return HOURS; }
356 minutes { return MINUTES; }
357 minute { return MINUTES; }
358 seconds { return SECONDS; }
359 second { return SECONDS; }
360
361 bytes { return BYTES; }
362 byte { return BYTES; }
363 kilobytes { return KBYTES; }
364 kilobyte { return KBYTES; }
365 kbytes { return KBYTES; }
366 kbyte { return KBYTES; }
367 kb { return KBYTES; }
368 megabytes { return MBYTES; }
369 megabyte { return MBYTES; }
370 mbytes { return MBYTES; }
371 mbyte { return MBYTES; }
372 mb { return MBYTES; }
373 \.\. { return TWODOTS; }
374
375 . { return yytext[0]; }
376 <<EOF>> { if (ieof()) yyterminate(); }
377
378 %%
379
380 /* C-comment ignoring routine -kre*/
381 static void
382 ccomment(void)
383 {
384 int c = 0;
385
386 /* log(L_NOTICE, "got comment"); */
387 while (1)
388 {
389 while ((c = input()) != '*' && c != EOF)
390 if (c == '\n')
391 ++lineno;
392
393 if (c == '*')
394 {
395 while ((c = input()) == '*')
396 /* Nothing */ ;
397 if (c == '/')
398 break;
399 else if (c == '\n')
400 ++lineno;
401 }
402
403 if (c == EOF)
404 {
405 YY_FATAL_ERROR("EOF in comment");
406 /* XXX hack alert this disables
407 * the stupid unused function warning
408 * gcc generates
409 */
410 if (1 == 0)
411 yy_fatal_error("EOF in comment");
412 break;
413 }
414 }
415 }
416
417 /* C-style .includes. This function will properly swap input conf buffers,
418 * and lineno -kre */
419 static void
420 cinclude(void)
421 {
422 char *p = NULL;
423
424 if ((p = strchr(yytext, '<')) == NULL)
425 *strchr(p = strchr(yytext, '"') + 1, '"') = '\0';
426 else
427 *strchr(++p, '>') = '\0';
428
429 /* log(L_NOTICE, "got include %s!", c); */
430
431 /* do stacking and co. */
432 if (include_stack_ptr >= MAX_INCLUDE_DEPTH)
433 ilog(LOG_TYPE_IRCD, "Includes nested too deep in %s", p);
434 else
435 {
436 FILE *tmp_fbfile_in = NULL;
437 char filenamebuf[IRCD_BUFSIZE];
438
439 if (*p == '/') /* if it is an absolute path */
440 snprintf(filenamebuf, sizeof(filenamebuf), "%s", p);
441 else
442 snprintf(filenamebuf, sizeof(filenamebuf), "%s/%s", ETCPATH, p);
443
444 tmp_fbfile_in = fopen(filenamebuf, "r");
445
446 if (tmp_fbfile_in == NULL)
447 {
448 ilog(LOG_TYPE_IRCD, "Unable to read configuration file '%s': %s",
449 filenamebuf, strerror(errno));
450 return;
451 }
452
453 lineno_stack[include_stack_ptr] = lineno;
454 lineno = 1;
455 inc_fbfile_in[include_stack_ptr] = conf_parser_ctx.conf_file;
456 strlcpy(conffile_stack[include_stack_ptr], conffilebuf, IRCD_BUFSIZE);
457 include_stack[include_stack_ptr++] = YY_CURRENT_BUFFER;
458 conf_parser_ctx.conf_file = tmp_fbfile_in;
459 snprintf(conffilebuf, sizeof(conffilebuf), "%s", filenamebuf);
460 yy_switch_to_buffer(yy_create_buffer(yyin, YY_BUF_SIZE));
461 }
462 }
463
464 /* This is function that will be called on EOF in conf file. It will
465 * apropriately close conf if it not main conf and swap input buffers -kre
466 * */
467 static int
468 ieof(void)
469 {
470 /* log(L_NOTICE, "return from include stack!"); */
471 if (include_stack_ptr)
472 fclose(conf_parser_ctx.conf_file);
473 if (--include_stack_ptr < 0)
474 {
475 /* log(L_NOTICE, "terminating lexer"); */
476 /* We will now exit the lexer - restore init values if we get /rehash
477 * later and reenter lexer -kre */
478 include_stack_ptr = 0;
479 lineno = 1;
480 return 1;
481 }
482
483 /* switch buffer */
484 /* log(L_NOTICE, "deleting include_stack_ptr=%d", include_stack_ptr); */
485 yy_delete_buffer(YY_CURRENT_BUFFER);
486 lineno = lineno_stack[include_stack_ptr];
487 conf_parser_ctx.conf_file = inc_fbfile_in[include_stack_ptr];
488 strlcpy(conffilebuf, conffile_stack[include_stack_ptr], sizeof(conffilebuf));
489 yy_switch_to_buffer(include_stack[include_stack_ptr]);
490
491 return 0;
492 }

Properties

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