ViewVC Help
View File | Revision Log | Show Annotations | View Changeset | Root Listing
root/svn/ircd-hybrid/branches/8.1.x/src/conf_lexer.l
Revision: 2917
Committed: Sat Jan 25 21:09:56 2014 UTC (10 years, 2 months ago) by michael
File size: 19070 byte(s)
Log Message:
- Clean up all files in src/ (fixed indentation, removed whitespaces/tabs)
- Fixed copyright years

File Contents

# Content
1 /*
2 * ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
3 *
4 * Copyright (c) 2000-2014 ircd-hybrid development team
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
19 * USA
20 */
21
22 /*! \file ircd_lexer.l
23 * \brief Scans the ircd configuration file for tokens.
24 * \version $Id$
25 */
26
27 %option case-insensitive
28 %option noyywrap
29 %option nounput
30 %option never-interactive
31
32 %{
33 #include "stdinc.h"
34 #include "irc_string.h"
35 #include "conf.h"
36 #include "conf_parser.h" /* autogenerated header file */
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 anti_nick_flood { return ANTI_NICK_FLOOD; }
142 anti_spam_exit_message_time { return ANTI_SPAM_EXIT_MESSAGE_TIME; }
143 auth { return IRCD_AUTH; }
144 autoconn { return AUTOCONN; }
145 bots { return T_BOTS; }
146 caller_id_wait { return CALLER_ID_WAIT; }
147 callerid { return T_CALLERID; }
148 can_flood { return CAN_FLOOD; }
149 cconn { return T_CCONN; }
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 cycle_on_host_change { return CYCLE_ON_HOST_CHANGE; }
158 deaf { return T_DEAF; }
159 debug { return T_DEBUG; }
160 default_floodcount { return DEFAULT_FLOODCOUNT; }
161 default_split_server_count { return DEFAULT_SPLIT_SERVER_COUNT; }
162 default_split_user_count { return DEFAULT_SPLIT_USER_COUNT; }
163 deny { return DENY; }
164 description { return DESCRIPTION; }
165 die { return DIE; }
166 disable_auth { return DISABLE_AUTH; }
167 disable_fake_channels { return DISABLE_FAKE_CHANNELS; }
168 disable_remote_commands { return DISABLE_REMOTE_COMMANDS; }
169 dline { return T_DLINE; }
170 dots_in_ident { return DOTS_IN_IDENT; }
171 egdpool_path { return EGDPOOL_PATH; }
172 email { return EMAIL; }
173 encrypted { return ENCRYPTED; }
174 exceed_limit { return EXCEED_LIMIT; }
175 exempt { return EXEMPT; }
176 external { return T_EXTERNAL; }
177 failed_oper_notice { return FAILED_OPER_NOTICE; }
178 farconnect { return T_FARCONNECT; }
179 file { return T_FILE; }
180 flags { return IRCD_FLAGS; }
181 flatten_links { return FLATTEN_LINKS; }
182 full { return T_FULL; }
183 gecos { return GECOS; }
184 general { return GENERAL; }
185 gline { return GLINE; }
186 gline_duration { return GLINE_DURATION; }
187 gline_enable { return GLINE_ENABLE; }
188 gline_exempt { return GLINE_EXEMPT; }
189 gline_min_cidr { return GLINE_MIN_CIDR; }
190 gline_min_cidr6 { return GLINE_MIN_CIDR6; }
191 gline_request_duration { return GLINE_REQUEST_DURATION; }
192 global_kill { return GLOBAL_KILL; }
193 globops { return T_GLOBOPS; }
194 have_ident { return NEED_IDENT; }
195 havent_read_conf { return HAVENT_READ_CONF; }
196 hidden { return HIDDEN; }
197 hidden_name { return HIDDEN_NAME; }
198 hide_idle_from_opers { return HIDE_IDLE_FROM_OPERS; }
199 hide_server_ips { return HIDE_SERVER_IPS; }
200 hide_servers { return HIDE_SERVERS; }
201 hide_services { return HIDE_SERVICES; }
202 hide_spoof_ips { return HIDE_SPOOF_IPS; }
203 host { return HOST; }
204 hub { return HUB; }
205 hub_mask { return HUB_MASK; }
206 ignore_bogus_ts { return IGNORE_BOGUS_TS; }
207 invisible { return T_INVISIBLE; }
208 invisible_on_connect { return INVISIBLE_ON_CONNECT; }
209 ip { return IP; }
210 ipv4 { return T_IPV4; }
211 ipv6 { return T_IPV6; }
212 join_flood_count { return JOIN_FLOOD_COUNT; }
213 join_flood_time { return JOIN_FLOOD_TIME; }
214 kill { return KILL; }
215 kill_chase_time_limit { return KILL_CHASE_TIME_LIMIT; }
216 kline { return KLINE; }
217 kline_exempt { return KLINE_EXEMPT; }
218 knock_delay { return KNOCK_DELAY; }
219 knock_delay_channel { return KNOCK_DELAY_CHANNEL; }
220 leaf_mask { return LEAF_MASK; }
221 links_delay { return LINKS_DELAY; }
222 listen { return LISTEN; }
223 locops { return T_LOCOPS; }
224 log { return T_LOG; }
225 mask { return MASK; }
226 masked { return TMASKED; }
227 max_accept { return MAX_ACCEPT; }
228 max_bans { return MAX_BANS; }
229 max_chans_per_oper { return MAX_CHANS_PER_OPER; }
230 max_chans_per_user { return MAX_CHANS_PER_USER; }
231 max_clients { return T_MAX_CLIENTS; }
232 max_global { return MAX_GLOBAL; }
233 max_ident { return MAX_IDENT; }
234 max_idle { return MAX_IDLE; }
235 max_local { return MAX_LOCAL; }
236 max_nick_changes { return MAX_NICK_CHANGES; }
237 max_nick_length { return MAX_NICK_LENGTH; }
238 max_nick_time { return MAX_NICK_TIME; }
239 max_number { return MAX_NUMBER; }
240 max_targets { return MAX_TARGETS; }
241 max_topic_length { return MAX_TOPIC_LENGTH; }
242 max_watch { return MAX_WATCH; }
243 min_idle { return MIN_IDLE; }
244 min_nonwildcard { return MIN_NONWILDCARD; }
245 min_nonwildcard_simple { return MIN_NONWILDCARD_SIMPLE; }
246 module { return MODULE; }
247 modules { return MODULES; }
248 motd { return MOTD; }
249 name { return NAME; }
250 nchange { return T_NCHANGE; }
251 need_ident { return NEED_IDENT; }
252 need_password { return NEED_PASSWORD; }
253 network_desc { return NETWORK_DESC; }
254 network_name { return NETWORK_NAME; }
255 nick { return NICK; }
256 no_create_on_split { return NO_CREATE_ON_SPLIT; }
257 no_join_on_split { return NO_JOIN_ON_SPLIT; }
258 no_oper_flood { return NO_OPER_FLOOD; }
259 no_tilde { return NO_TILDE; }
260 nononreg { return T_NONONREG; }
261 number_per_cidr { return NUMBER_PER_CIDR; }
262 number_per_ip { return NUMBER_PER_IP; }
263 oper { return OPERATOR; }
264 oper_only_umodes { return OPER_ONLY_UMODES; }
265 oper_pass_resv { return OPER_PASS_RESV; }
266 oper_umodes { return OPER_UMODES; }
267 operator { return OPERATOR; }
268 opers_bypass_callerid { return OPERS_BYPASS_CALLERID; }
269 operwall { return T_OPERWALL; }
270 pace_wait { return PACE_WAIT; }
271 pace_wait_simple { return PACE_WAIT_SIMPLE; }
272 passwd { return PASSWORD; }
273 password { return PASSWORD; }
274 path { return PATH; }
275 ping_cookie { return PING_COOKIE; }
276 ping_time { return PING_TIME; }
277 port { return PORT; }
278 quarantine { return RESV; }
279 random_idle { return RANDOM_IDLE; }
280 reason { return REASON; }
281 recvq { return T_RECVQ; }
282 redirport { return REDIRPORT; }
283 redirserv { return REDIRSERV; }
284 rehash { return REHASH; }
285 rej { return T_REJ; }
286 remote { return REMOTE; }
287 remoteban { return REMOTEBAN; }
288 restart { return T_RESTART; }
289 resv { return RESV; }
290 resv_exempt { return RESV_EXEMPT; }
291 rsa_private_key_file { return RSA_PRIVATE_KEY_FILE; }
292 rsa_public_key_file { return RSA_PUBLIC_KEY_FILE; }
293 send_password { return SEND_PASSWORD; }
294 sendq { return SENDQ; }
295 server { return T_SERVER; }
296 serverhide { return SERVERHIDE; }
297 serverinfo { return SERVERINFO; }
298 service { return T_SERVICE; }
299 services_name { return T_SERVICES_NAME; }
300 servnotice { return T_SERVNOTICE; }
301 set { return T_SET; }
302 shared { return T_SHARED; }
303 short_motd { return SHORT_MOTD; }
304 sid { return IRCD_SID; }
305 size { return T_SIZE; }
306 skill { return T_SKILL; }
307 softcallerid { return T_SOFTCALLERID; }
308 spoof { return SPOOF; }
309 spoof_notice { return SPOOF_NOTICE; }
310 spy { return T_SPY; }
311 squit { return SQUIT; }
312 ssl { return T_SSL; }
313 ssl_certificate_file { return SSL_CERTIFICATE_FILE; }
314 ssl_certificate_fingerprint { return SSL_CERTIFICATE_FINGERPRINT; }
315 ssl_cipher_list { return T_SSL_CIPHER_LIST; }
316 ssl_client_method { return T_SSL_CLIENT_METHOD; }
317 ssl_connection_required { return SSL_CONNECTION_REQUIRED; }
318 ssl_dh_param_file { return SSL_DH_PARAM_FILE; }
319 ssl_server_method { return T_SSL_SERVER_METHOD; }
320 sslv3 { return T_SSLV3; }
321 stats_e_disabled { return STATS_E_DISABLED; }
322 stats_i_oper_only { return STATS_I_OPER_ONLY; }
323 stats_k_oper_only { return STATS_K_OPER_ONLY; }
324 stats_o_oper_only { return STATS_O_OPER_ONLY; }
325 stats_P_oper_only { return STATS_P_OPER_ONLY; }
326 stats_u_oper_only { return STATS_U_OPER_ONLY; }
327 throttle_time { return THROTTLE_TIME; }
328 tkline_expire_notices { return TKLINE_EXPIRE_NOTICES; }
329 tlsv1 { return T_TLSV1; }
330 true_no_oper_flood { return TRUE_NO_OPER_FLOOD; }
331 ts_max_delta { return TS_MAX_DELTA; }
332 ts_warn_delta { return TS_WARN_DELTA; }
333 type { return TYPE; }
334 umodes { return T_UMODES; }
335 unauth { return T_UNAUTH; }
336 undline { return T_UNDLINE; }
337 unkline { return UNKLINE; }
338 unlimited { return T_UNLIMITED; }
339 unresv { return T_UNRESV; }
340 unxline { return T_UNXLINE; }
341 use_egd { return USE_EGD; }
342 use_logging { return USE_LOGGING; }
343 user { return USER; }
344 vhost { return VHOST; }
345 vhost6 { return VHOST6; }
346 wallop { return T_WALLOP; }
347 wallops { return T_WALLOPS; }
348 warn_no_nline { return WARN_NO_NLINE; }
349 webirc { return T_WEBIRC; }
350 xline { return XLINE; }
351
352 yes { yylval.number = 1; return TBOOL; }
353 no { yylval.number = 0; return TBOOL; }
354
355 years { return YEARS; }
356 year { return YEARS; }
357 months { return MONTHS; }
358 month { return MONTHS; }
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 \.\. { return TWODOTS; }
383
384 . { return yytext[0]; }
385 <<EOF>> { if (ieof()) yyterminate(); }
386
387 %%
388
389 /* C-comment ignoring routine -kre*/
390 static void
391 ccomment(void)
392 {
393 int c = 0;
394
395 /* log(L_NOTICE, "got comment"); */
396 while (1)
397 {
398 while ((c = input()) != '*' && c != EOF)
399 if (c == '\n')
400 ++lineno;
401
402 if (c == '*')
403 {
404 while ((c = input()) == '*')
405 /* Nothing */ ;
406 if (c == '/')
407 break;
408 else if (c == '\n')
409 ++lineno;
410 }
411
412 if (c == EOF)
413 {
414 YY_FATAL_ERROR("EOF in comment");
415 /* XXX hack alert this disables
416 * the stupid unused function warning
417 * gcc generates
418 */
419 if (1 == 0)
420 yy_fatal_error("EOF in comment");
421 break;
422 }
423 }
424 }
425
426 /* C-style .includes. This function will properly swap input conf buffers,
427 * and lineno -kre */
428 static void
429 cinclude(void)
430 {
431 char *p = NULL;
432
433 if ((p = strchr(yytext, '<')) == NULL)
434 *strchr(p = strchr(yytext, '"') + 1, '"') = '\0';
435 else
436 *strchr(++p, '>') = '\0';
437
438 /* log(L_NOTICE, "got include %s!", c); */
439
440 /* do stacking and co. */
441 if (include_stack_ptr >= MAX_INCLUDE_DEPTH)
442 ilog(LOG_TYPE_IRCD, "Includes nested too deep in %s", p);
443 else
444 {
445 FILE *tmp_fbfile_in = NULL;
446 char filenamebuf[IRCD_BUFSIZE];
447
448 if (*p == '/') /* if it is an absolute path */
449 snprintf(filenamebuf, sizeof(filenamebuf), "%s", p);
450 else
451 snprintf(filenamebuf, sizeof(filenamebuf), "%s/%s", ETCPATH, p);
452
453 tmp_fbfile_in = fopen(filenamebuf, "r");
454
455 if (tmp_fbfile_in == NULL)
456 {
457 ilog(LOG_TYPE_IRCD, "Unable to read configuration file '%s': %s",
458 filenamebuf, strerror(errno));
459 return;
460 }
461
462 lineno_stack[include_stack_ptr] = lineno;
463 lineno = 1;
464 inc_fbfile_in[include_stack_ptr] = conf_parser_ctx.conf_file;
465 strlcpy(conffile_stack[include_stack_ptr], conffilebuf, IRCD_BUFSIZE);
466 include_stack[include_stack_ptr++] = YY_CURRENT_BUFFER;
467 conf_parser_ctx.conf_file = tmp_fbfile_in;
468 snprintf(conffilebuf, sizeof(conffilebuf), "%s", filenamebuf);
469 yy_switch_to_buffer(yy_create_buffer(yyin, YY_BUF_SIZE));
470 }
471 }
472
473 /* This is function that will be called on EOF in conf file. It will
474 * apropriately close conf if it not main conf and swap input buffers -kre
475 * */
476 static int
477 ieof(void)
478 {
479 /* log(L_NOTICE, "return from include stack!"); */
480 if (include_stack_ptr)
481 fclose(conf_parser_ctx.conf_file);
482 if (--include_stack_ptr < 0)
483 {
484 /* log(L_NOTICE, "terminating lexer"); */
485 /* We will now exit the lexer - restore init values if we get /rehash
486 * later and reenter lexer -kre */
487 include_stack_ptr = 0;
488 lineno = 1;
489 return 1;
490 }
491
492 /* switch buffer */
493 /* log(L_NOTICE, "deleting include_stack_ptr=%d", include_stack_ptr); */
494 yy_delete_buffer(YY_CURRENT_BUFFER);
495 lineno = lineno_stack[include_stack_ptr];
496 conf_parser_ctx.conf_file = inc_fbfile_in[include_stack_ptr];
497 strlcpy(conffilebuf, conffile_stack[include_stack_ptr], sizeof(conffilebuf));
498 yy_switch_to_buffer(include_stack[include_stack_ptr]);
499
500 return 0;
501 }

Properties

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