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root/svn/ircd-hybrid/trunk/src/conf_lexer.l
Revision: 1243
Committed: Fri Sep 30 10:47:53 2011 UTC (15 years ago) by michael
Original Path: ircd-hybrid-8/src/ircd_lexer.l
File size: 16772 byte(s)
Log Message:
- move content of msg.h, ircd_handler.h and handlers.h into parse.h and
  remove headers accordingly
- killed common.h
- remove m_killhost.c and m_flags.c from contrib/
- sort out unused header includes here and there

File Contents

# User Rev Content
1 adx 30 /*
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 knight 31 * $Id$
23 adx 30 */
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 stu 908 #include "ircd_parser.h"
39 adx 30
40     #undef YY_INPUT
41     #define YY_FATAL_ERROR(msg) conf_yy_fatal_error(msg)
42     #define YY_INPUT(buf,result,max_size) \
43 michael 967 if (!(result = conf_fbgets(buf, max_size, conf_parser_ctx.conf_file))) \
44 adx 30 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(L_ERROR, "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(L_ERROR,
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 michael 632 disable_fake_channels { return DISABLE_FAKE_CHANNELS; }
160 adx 30 disable_hidden { return DISABLE_HIDDEN; }
161     disable_local_channels { return DISABLE_LOCAL_CHANNELS; }
162     disable_remote_commands { return DISABLE_REMOTE_COMMANDS; }
163     dots_in_ident { return DOTS_IN_IDENT; }
164     duration { return DURATION; }
165     egdpool_path { return EGDPOOL_PATH; }
166     email { return EMAIL; }
167     enable { return ENABLE; }
168     encrypted { return ENCRYPTED; }
169     exceed_limit { return EXCEED_LIMIT; }
170     exempt { return EXEMPT; }
171     flags { return IRCD_FLAGS; }
172     flatten_links { return FLATTEN_LINKS; }
173     fglinelog { return FGLINELOG; }
174     fname_glinelog { return FGLINELOG; }
175     fkilllog { return FKILLLOG; }
176     fioerrlog { return FIOERRLOG; }
177     fname_ioerrlog { return FIOERRLOG; }
178     fname_killlog { return FKILLLOG; }
179     fklinelog { return FKLINELOG; }
180     fname_klinelog { return FKLINELOG; }
181     ffailed_operlog { return FFAILED_OPERLOG; }
182     fname_operlog { return FOPERLOG; }
183     foperlog { return FOPERLOG; }
184     fname_userlog { return FUSERLOG; }
185     fuserlog { return FUSERLOG; }
186     gecos { return GECOS; }
187     general { return GENERAL; }
188     gline { return GLINE; }
189     glines { return GLINES; }
190     gline_exempt { return GLINE_EXEMPT; }
191     gline_min_cidr { return GLINE_MIN_CIDR; }
192     gline_min_cidr6 { return GLINE_MIN_CIDR6; }
193 michael 1216 globops { return T_GLOBOPS; }
194 adx 30 global_kill { return GLOBAL_KILL; }
195     have_ident { return NEED_IDENT; }
196     need_ident { return NEED_IDENT; }
197     havent_read_conf { return HAVENT_READ_CONF; }
198     hidden { return HIDDEN; }
199     hidden_admin { return HIDDEN_ADMIN; }
200     hidden_name { return HIDDEN_NAME; }
201     hidden_oper { return HIDDEN_OPER; }
202     hide_server_ips { return HIDE_SERVER_IPS; }
203     hide_servers { return HIDE_SERVERS; }
204     hide_spoof_ips { return HIDE_SPOOF_IPS; }
205     host { return HOST; }
206     hub { return HUB; }
207     hub_mask { return HUB_MASK; }
208     ignore_bogus_ts { return IGNORE_BOGUS_TS; }
209     invisible_on_connect { return INVISIBLE_ON_CONNECT; }
210     ip { return IP; }
211     ipv4 { return T_IPV4; }
212     ipv6 { return T_IPV6; }
213     join_flood_count { return JOIN_FLOOD_COUNT; }
214     join_flood_time { return JOIN_FLOOD_TIME; }
215     kill { return KILL; }
216     kill_chase_time_limit { return KILL_CHASE_TIME_LIMIT; }
217     kline { return KLINE; }
218     kline_exempt { return KLINE_EXEMPT; }
219     l_crit { return T_L_CRIT; }
220     l_debug { return T_L_DEBUG; }
221     l_error { return T_L_ERROR; }
222     l_info { return T_L_INFO; }
223     l_notice { return T_L_NOTICE; }
224     l_trace { return T_L_TRACE; }
225     l_warn { return T_L_WARN; }
226     leaf_mask { return LEAF_MASK; }
227     listen { return LISTEN; }
228     log_level { return LOG_LEVEL; }
229     log { return LOGGING; }
230     logging { return LOGGING; }
231     logpath { return T_LOGPATH; }
232     masked { return TMASKED; }
233     max_clients { return T_MAX_CLIENTS; }
234     max_ident { return MAX_IDENT; }
235     max_local { return MAX_LOCAL; }
236     max_global { return MAX_GLOBAL; }
237     max_number { return MAX_NUMBER; }
238 michael 876 max_watch { return MAX_WATCH; }
239 adx 30 message_locale { return MESSAGE_LOCALE; }
240     min_nonwildcard { return MIN_NONWILDCARD; }
241     min_nonwildcard_simple { return MIN_NONWILDCARD_SIMPLE; }
242     name { return NAME; }
243     need_password { return NEED_PASSWORD; }
244     network_desc { return NETWORK_DESC; }
245     network_name { return NETWORK_NAME; }
246     nick { return NICK; }
247     nick_changes { return NICK_CHANGES; }
248 michael 1243 no { yylval.number = 0; return TBOOL; }
249 adx 30 no_create_on_split { return NO_CREATE_ON_SPLIT; }
250     no_join_on_split { return NO_JOIN_ON_SPLIT; }
251     no_oper_flood { return NO_OPER_FLOOD; }
252     no_tilde { return NO_TILDE; }
253     number_per_cidr { return NUMBER_PER_CIDR; }
254     number_per_ip { return NUMBER_PER_IP; }
255     oper { return OPERATOR; }
256     oper_log { return OPER_LOG; }
257     oper_pass_resv { return OPER_PASS_RESV; }
258     operator { return OPERATOR; }
259     passwd { return PASSWORD; }
260     password { return PASSWORD; }
261     ping_cookie { return PING_COOKIE; }
262     ping_time { return PING_TIME; }
263     ping_warning { return PING_WARNING; }
264     port { return PORT; }
265     quarantine { return RESV; }
266     quiet_on_ban { return QUIET_ON_BAN; }
267     reason { return REASON; }
268     redirport { return REDIRPORT; }
269     redirserv { return REDIRSERV; }
270     regex { return REGEX_T; }
271     rehash { return REHASH; }
272     reject { return T_REJECT; }
273     reject_hold_time { return TREJECT_HOLD_TIME; }
274     remote { return REMOTE; }
275     remoteban { return REMOTEBAN; }
276 michael 1228 restart { return T_RESTART; }
277 adx 30 restrict_channels { return RESTRICT_CHANNELS; }
278     resv { return RESV; }
279     resv_exempt { return RESV_EXEMPT; }
280     rsa_private_key_file { return RSA_PRIVATE_KEY_FILE; }
281     rsa_public_key_file { return RSA_PUBLIC_KEY_FILE; }
282     ssl { return T_SSL; }
283     ssl_certificate_file { return SSL_CERTIFICATE_FILE; }
284 michael 967 ssl_server_protocol { return T_SSL_CONNECTION_METHOD; }
285     sslv3 { return T_SSLV3; }
286     tlsv1 { return T_TLSV1; }
287 adx 30 send_password { return SEND_PASSWORD; }
288     sendq { return SENDQ; }
289 michael 900 server { return T_SERVER; }
290 adx 30 serverhide { return SERVERHIDE; }
291     serverinfo { return SERVERINFO; }
292 michael 1175 service { return T_SERVICE; }
293 michael 1176 services_name { return T_SERVICES_NAME; }
294 adx 30 servlink_path { return SERVLINK_PATH; }
295     shared { return T_SHARED; }
296     short_motd { return SHORT_MOTD; }
297     sid { return IRCD_SID; }
298     silent { return SILENT; }
299     spoof { return SPOOF; }
300     spoof_notice { return SPOOF_NOTICE; }
301     tkline_expire_notices { return TKLINE_EXPIRE_NOTICES; }
302     type { return TYPE; }
303     true_no_oper_flood { return TRUE_NO_OPER_FLOOD; }
304 michael 56 umodes { return T_UMODES; }
305 adx 30 unkline { return UNKLINE; }
306     use_egd { return USE_EGD; }
307     use_except { return USE_EXCEPT; }
308     use_invex { return USE_INVEX; }
309     use_knock { return USE_KNOCK; }
310     use_logging { return USE_LOGGING; }
311     use_whois_actually { return USE_WHOIS_ACTUALLY; }
312     throttle_time { return THROTTLE_TIME; }
313     user { return USER; }
314     tkline { return TKLINE; }
315     txline { return TXLINE; }
316     tresv { return TRESV; }
317     vhost { return VHOST; }
318     vhost6 { return VHOST6; }
319     warn { return WARN; }
320     xline { return XLINE; }
321 michael 1243 yes { yylval.number = 1; return TBOOL; }
322 adx 30
323     failed_oper_notice { return FAILED_OPER_NOTICE; }
324     max_accept { return MAX_ACCEPT; }
325     max_nick_changes { return MAX_NICK_CHANGES; }
326     max_chans_per_user { return MAX_CHANS_PER_USER; }
327     max_nick_time { return MAX_NICK_TIME; }
328     anti_nick_flood { return ANTI_NICK_FLOOD; }
329     anti_spam_exit_message_time { return ANTI_SPAM_EXIT_MESSAGE_TIME; }
330     ts_max_delta { return TS_MAX_DELTA; }
331     ts_warn_delta { return TS_WARN_DELTA; }
332     links_delay { return LINKS_DELAY; }
333     kline_reason { return KLINE_REASON; }
334     kline_with_reason { return KLINE_WITH_REASON; }
335     warn_no_nline { return WARN_NO_NLINE; }
336    
337 michael 584 stats_e_disabled { return STATS_E_DISABLED; }
338 adx 30 stats_o_oper_only { return STATS_O_OPER_ONLY; }
339     stats_k_oper_only { return STATS_K_OPER_ONLY; }
340     stats_i_oper_only { return STATS_I_OPER_ONLY; }
341     stats_P_oper_only { return STATS_P_OPER_ONLY; }
342     pace_wait { return PACE_WAIT; }
343     pace_wait_simple { return PACE_WAIT_SIMPLE; }
344     knock_delay { return KNOCK_DELAY; }
345     knock_delay_channel { return KNOCK_DELAY_CHANNEL; }
346     max_bans { return MAX_BANS; }
347     modules { return MODULES; }
348     module { return MODULE; }
349     path { return PATH; }
350     max_targets { return MAX_TARGETS; }
351    
352     unxline { return T_UNXLINE; }
353     unresv { return T_UNRESV; }
354    
355     oper_only_umodes { return OPER_ONLY_UMODES; }
356     oper_umodes { return OPER_UMODES; }
357     bots { return T_BOTS; }
358     cconn { return T_CCONN; }
359 db 849 cconn_full { return T_CCONN_FULL; }
360 adx 30 deaf { return T_DEAF; }
361     debug { return T_DEBUG; }
362     full { return T_FULL; }
363     skill { return T_SKILL; }
364     nchange { return T_NCHANGE; }
365     rej { return T_REJ; }
366     unauth { return T_UNAUTH; }
367     spy { return T_SPY; }
368     external { return T_EXTERNAL; }
369     operwall { return T_OPERWALL; }
370     servnotice { return T_SERVNOTICE; }
371     invisible { return T_INVISIBLE; }
372     wallop { return T_WALLOP; }
373     callerid { return T_CALLERID; }
374     softcallerid { return T_SOFTCALLERID; }
375     drone { return T_DRONE; }
376     locops { return T_LOCOPS; }
377     topicburst { return TOPICBURST; }
378    
379     weeks { return WEEKS; }
380     week { return WEEKS; }
381     days { return DAYS; }
382     day { return DAYS; }
383     hours { return HOURS; }
384     hour { return HOURS; }
385     minutes { return MINUTES; }
386     minute { return MINUTES; }
387     seconds { return SECONDS; }
388     second { return SECONDS; }
389    
390     bytes { return BYTES; }
391     byte { return BYTES; }
392     kilobytes { return KBYTES; }
393     kilobyte { return KBYTES; }
394     kbytes { return KBYTES; }
395     kbyte { return KBYTES; }
396     kb { return KBYTES; }
397     megabytes { return MBYTES; }
398     megabyte { return MBYTES; }
399     mbytes { return MBYTES; }
400     mbyte { return MBYTES; }
401     mb { return MBYTES; }
402     gigabytes { return GBYTES; }
403     gigabyte { return GBYTES; }
404     gbytes { return GBYTES; }
405     gbyte { return GBYTES; }
406     gb { return GBYTES; }
407     terabytes { return TBYTES; }
408     terabyte { return TBYTES; }
409     tbytes { return TBYTES; }
410     tbyte { return TBYTES; }
411     tb { return TBYTES; }
412     \.\. { return TWODOTS; }
413    
414     . { return yytext[0]; }
415     <<EOF>> { if (ieof()) yyterminate(); }
416    
417     %%
418    
419     /* C-comment ignoring routine -kre*/
420     static void
421     ccomment(void)
422     {
423     int c = 0;
424    
425     /* log(L_NOTICE, "got comment"); */
426     while (1)
427     {
428     while ((c = input()) != '*' && c != EOF)
429     if (c == '\n')
430     ++lineno;
431    
432     if (c == '*')
433     {
434     while ((c = input()) == '*')
435     /* Nothing */ ;
436     if (c == '/')
437     break;
438     else if (c == '\n')
439     ++lineno;
440     }
441    
442     if (c == EOF)
443     {
444     YY_FATAL_ERROR("EOF in comment");
445     /* XXX hack alert this disables
446     * the stupid unused function warning
447     * gcc generates
448     */
449     if (1 == 0)
450     yy_fatal_error("EOF in comment");
451     break;
452     }
453     }
454     }
455    
456     /* C-style .includes. This function will properly swap input conf buffers,
457     * and lineno -kre */
458     static void
459     cinclude(void)
460     {
461     char *p = NULL;
462    
463     if ((p = strchr(yytext, '<')) == NULL)
464     *strchr(p = strchr(yytext, '"') + 1, '"') = '\0';
465     else
466     *strchr(++p, '>') = '\0';
467    
468     /* log(L_NOTICE, "got include %s!", c); */
469    
470     /* do stacking and co. */
471     if (include_stack_ptr >= MAX_INCLUDE_DEPTH)
472     ilog(L_ERROR, "Includes nested too deep in %s", p);
473     else
474     {
475     FBFILE *tmp_fbfile_in = NULL;
476     char filenamebuf[IRCD_BUFSIZE];
477    
478     if (*p == '/') /* if it is an absolute path */
479     snprintf(filenamebuf, sizeof(filenamebuf), "%s", p);
480     else
481     snprintf(filenamebuf, sizeof(filenamebuf), "%s/%s", ETCPATH, p);
482    
483     tmp_fbfile_in = fbopen(filenamebuf, "r");
484    
485     if (tmp_fbfile_in == NULL)
486     {
487     ilog(L_ERROR, "Unable to read configuration file '%s': %s",
488     filenamebuf, strerror(errno));
489     return;
490     }
491    
492     lineno_stack[include_stack_ptr] = lineno;
493     lineno = 1;
494 michael 967 inc_fbfile_in[include_stack_ptr] = conf_parser_ctx.conf_file;
495 adx 30 strlcpy(conffile_stack[include_stack_ptr], conffilebuf, IRCD_BUFSIZE);
496     include_stack[include_stack_ptr++] = YY_CURRENT_BUFFER;
497 michael 967 conf_parser_ctx.conf_file = tmp_fbfile_in;
498 michael 711 snprintf(conffilebuf, sizeof(conffilebuf), "%s", filenamebuf);
499 adx 30 yy_switch_to_buffer(yy_create_buffer(yyin, YY_BUF_SIZE));
500     }
501     }
502    
503     /* This is function that will be called on EOF in conf file. It will
504     * apropriately close conf if it not main conf and swap input buffers -kre
505     * */
506     static int
507     ieof(void)
508     {
509     /* log(L_NOTICE, "return from include stack!"); */
510     if (include_stack_ptr)
511 michael 967 fbclose(conf_parser_ctx.conf_file);
512 adx 30 if (--include_stack_ptr < 0)
513     {
514     /* log(L_NOTICE, "terminating lexer"); */
515     /* We will now exit the lexer - restore init values if we get /rehash
516     * later and reenter lexer -kre */
517     include_stack_ptr = 0;
518     lineno = 1;
519     return 1;
520     }
521    
522     /* switch buffer */
523     /* log(L_NOTICE, "deleting include_stack_ptr=%d", include_stack_ptr); */
524     yy_delete_buffer(YY_CURRENT_BUFFER);
525     lineno = lineno_stack[include_stack_ptr];
526 michael 967 conf_parser_ctx.conf_file = inc_fbfile_in[include_stack_ptr];
527 adx 30 strlcpy(conffilebuf, conffile_stack[include_stack_ptr], sizeof(conffilebuf));
528     yy_switch_to_buffer(include_stack[include_stack_ptr]);
529    
530     return 0;
531     }

Properties

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