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root/svn/ircd-hybrid/trunk/src/conf_lexer.l
Revision: 4298
Committed: Sun Jul 20 13:51:16 2014 UTC (9 years, 8 months ago) by michael
File size: 19707 byte(s)
Log Message:
- Fixed typos all over the place

File Contents

# User Rev Content
1 adx 30 /*
2 michael 2916 * ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
3 adx 30 *
4 michael 2916 * Copyright (c) 2000-2014 ircd-hybrid development team
5 adx 30 *
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 michael 2916 /*! \file ircd_lexer.l
23     * \brief Scans the ircd configuration file for tokens.
24     * \version $Id$
25     */
26    
27 adx 30 %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 michael 1309 #include "conf.h"
36     #include "conf_parser.h" /* autogenerated header file */
37     #include "log.h"
38 adx 30
39     #undef YY_INPUT
40     #define YY_FATAL_ERROR(msg) conf_yy_fatal_error(msg)
41     #define YY_INPUT(buf,result,max_size) \
42 michael 1353 if (!(result = conf_yy_input(buf, max_size))) \
43 michael 2916 YY_FATAL_ERROR("input in flex scanner failed");
44 adx 30 #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 michael 1325 static FILE *inc_fbfile_in[MAX_INCLUDE_DEPTH];
55 adx 30 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 michael 1353
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 adx 30 %}
73    
74     WS [[:blank:]]*
75     DIGIT [[:digit:]]+
76     COMMENT ("//"|"#").*
77     qstring \"[^\"\n]*[\"\n]
78     include \.include{WS}(\<.*\>|\".*\")
79    
80     %%
81     {include} { cinclude(); }
82 michael 2916 "/*" { ccomment(); }
83 michael 4298 \n.* { strlcpy(linebuf, yytext + 1, sizeof(linebuf)); ++lineno; yyless(1); }
84 adx 30 {WS} ;
85     {COMMENT} ;
86     {DIGIT} { yylval.number = atoi(yytext); return NUMBER; }
87 michael 4298 {qstring} { if (yytext[yyleng - 2] == '\\')
88     {
89     yyless(yyleng - 1); /* Return last quote */
90     yymore(); /* Append next string */
91     }
92     else
93     {
94     yylval.string = yytext + 1;
95 adx 30
96 michael 4298 if (yylval.string[yyleng - 2] != '"')
97     ilog(LOG_TYPE_IRCD, "Unterminated character string");
98     else
99     {
100     unsigned int i = 0, j = 0;
101 adx 30
102 michael 4298 yylval.string[yyleng - 2] = '\0'; /* Remove close quote */
103 michael 2916
104 michael 4298 for (; yylval.string[i] != '\0'; ++i, ++j)
105     {
106     if (yylval.string[i] != '\\')
107     yylval.string[j] = yylval.string[i];
108     else
109     {
110     ++i;
111 adx 30
112 michael 4298 if (yylval.string[i] == '\0') /* XXX: should not happen */
113     {
114     ilog(LOG_TYPE_IRCD, "Unterminated character string");
115     break;
116     }
117    
118     yylval.string[j] = yylval.string[i];
119     }
120     }
121    
122     yylval.string[j] = '\0';
123     return QSTRING;
124     }
125     }
126     }
127    
128 michael 2129 accept_password { return ACCEPT_PASSWORD; }
129     admin { return ADMIN; }
130     administrator { return ADMIN; }
131     aftype { return AFTYPE; }
132     all { return T_ALL; }
133     anti_nick_flood { return ANTI_NICK_FLOOD; }
134     anti_spam_exit_message_time { return ANTI_SPAM_EXIT_MESSAGE_TIME; }
135     auth { return IRCD_AUTH; }
136     autoconn { return AUTOCONN; }
137     bots { return T_BOTS; }
138     caller_id_wait { return CALLER_ID_WAIT; }
139     callerid { return T_CALLERID; }
140     can_flood { return CAN_FLOOD; }
141     cconn { return T_CCONN; }
142     channel { return CHANNEL; }
143     cidr_bitlen_ipv4 { return CIDR_BITLEN_IPV4; }
144     cidr_bitlen_ipv6 { return CIDR_BITLEN_IPV6; }
145     class { return CLASS; }
146     cluster { return T_CLUSTER; }
147     connect { return CONNECT; }
148     connectfreq { return CONNECTFREQ; }
149 michael 2283 cycle_on_host_change { return CYCLE_ON_HOST_CHANGE; }
150 michael 2129 deaf { return T_DEAF; }
151     debug { return T_DEBUG; }
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_remote_commands { return DISABLE_REMOTE_COMMANDS; }
161     dline { return T_DLINE; }
162     dots_in_ident { return DOTS_IN_IDENT; }
163     egdpool_path { return EGDPOOL_PATH; }
164     email { return EMAIL; }
165     encrypted { return ENCRYPTED; }
166     exceed_limit { return EXCEED_LIMIT; }
167     exempt { return EXEMPT; }
168     external { return T_EXTERNAL; }
169     failed_oper_notice { return FAILED_OPER_NOTICE; }
170     farconnect { return T_FARCONNECT; }
171     file { return T_FILE; }
172     flags { return IRCD_FLAGS; }
173     flatten_links { return FLATTEN_LINKS; }
174     full { return T_FULL; }
175     gecos { return GECOS; }
176     general { return GENERAL; }
177     gline { return GLINE; }
178     gline_duration { return GLINE_DURATION; }
179     gline_enable { return GLINE_ENABLE; }
180     gline_exempt { return GLINE_EXEMPT; }
181     gline_min_cidr { return GLINE_MIN_CIDR; }
182     gline_min_cidr6 { return GLINE_MIN_CIDR6; }
183     gline_request_duration { return GLINE_REQUEST_DURATION; }
184     global_kill { return GLOBAL_KILL; }
185     globops { return T_GLOBOPS; }
186     have_ident { return NEED_IDENT; }
187     havent_read_conf { return HAVENT_READ_CONF; }
188     hidden { return HIDDEN; }
189     hidden_name { return HIDDEN_NAME; }
190 michael 3513 hidechans { return HIDE_CHANS; }
191 michael 3506 hideidle { return HIDE_IDLE; }
192 michael 2129 hide_idle_from_opers { return HIDE_IDLE_FROM_OPERS; }
193     hide_server_ips { return HIDE_SERVER_IPS; }
194     hide_servers { return HIDE_SERVERS; }
195     hide_services { return HIDE_SERVICES; }
196     hide_spoof_ips { return HIDE_SPOOF_IPS; }
197     host { return HOST; }
198     hub { return HUB; }
199     hub_mask { return HUB_MASK; }
200     ignore_bogus_ts { return IGNORE_BOGUS_TS; }
201     invisible { return T_INVISIBLE; }
202     invisible_on_connect { return INVISIBLE_ON_CONNECT; }
203 michael 3860 invite_client_count { return INVITE_CLIENT_COUNT; }
204     invite_client_time { return INVITE_CLIENT_TIME; }
205 michael 2129 ip { return IP; }
206     ipv4 { return T_IPV4; }
207     ipv6 { return T_IPV6; }
208     join_flood_count { return JOIN_FLOOD_COUNT; }
209     join_flood_time { return JOIN_FLOOD_TIME; }
210     kill { return KILL; }
211     kill_chase_time_limit { return KILL_CHASE_TIME_LIMIT; }
212     kline { return KLINE; }
213     kline_exempt { return KLINE_EXEMPT; }
214 michael 3860 knock_client_count { return KNOCK_CLIENT_COUNT; }
215     knock_client_time { return KNOCK_CLIENT_TIME; }
216 michael 2129 knock_delay_channel { return KNOCK_DELAY_CHANNEL; }
217     leaf_mask { return LEAF_MASK; }
218     links_delay { return LINKS_DELAY; }
219     listen { return LISTEN; }
220     locops { return T_LOCOPS; }
221     log { return T_LOG; }
222     mask { return MASK; }
223     masked { return TMASKED; }
224     max_accept { return MAX_ACCEPT; }
225     max_bans { return MAX_BANS; }
226 michael 3933 max_channels { return MAX_CHANNELS; }
227 michael 2129 max_clients { return T_MAX_CLIENTS; }
228     max_global { return MAX_GLOBAL; }
229     max_ident { return MAX_IDENT; }
230     max_idle { return MAX_IDLE; }
231     max_local { return MAX_LOCAL; }
232     max_nick_changes { return MAX_NICK_CHANGES; }
233     max_nick_length { return MAX_NICK_LENGTH; }
234     max_nick_time { return MAX_NICK_TIME; }
235     max_number { return MAX_NUMBER; }
236     max_targets { return MAX_TARGETS; }
237     max_topic_length { return MAX_TOPIC_LENGTH; }
238     max_watch { return MAX_WATCH; }
239     min_idle { return MIN_IDLE; }
240     min_nonwildcard { return MIN_NONWILDCARD; }
241     min_nonwildcard_simple { return MIN_NONWILDCARD_SIMPLE; }
242     module { return MODULE; }
243     modules { return MODULES; }
244 michael 2150 motd { return MOTD; }
245 michael 2129 name { return NAME; }
246     nchange { return T_NCHANGE; }
247     need_ident { return NEED_IDENT; }
248     need_password { return NEED_PASSWORD; }
249     network_desc { return NETWORK_DESC; }
250     network_name { return NETWORK_NAME; }
251     nick { return NICK; }
252     no_create_on_split { return NO_CREATE_ON_SPLIT; }
253     no_join_on_split { return NO_JOIN_ON_SPLIT; }
254     no_oper_flood { return NO_OPER_FLOOD; }
255     no_tilde { return NO_TILDE; }
256     nononreg { return T_NONONREG; }
257     number_per_cidr { return NUMBER_PER_CIDR; }
258     number_per_ip { return NUMBER_PER_IP; }
259     oper { return OPERATOR; }
260     oper_only_umodes { return OPER_ONLY_UMODES; }
261     oper_pass_resv { return OPER_PASS_RESV; }
262     oper_umodes { return OPER_UMODES; }
263     operator { return OPERATOR; }
264     opers_bypass_callerid { return OPERS_BYPASS_CALLERID; }
265     pace_wait { return PACE_WAIT; }
266     pace_wait_simple { return PACE_WAIT_SIMPLE; }
267     passwd { return PASSWORD; }
268     password { return PASSWORD; }
269     path { return PATH; }
270     ping_cookie { return PING_COOKIE; }
271     ping_time { return PING_TIME; }
272     port { return PORT; }
273     quarantine { return RESV; }
274     random_idle { return RANDOM_IDLE; }
275     reason { return REASON; }
276     recvq { return T_RECVQ; }
277     redirport { return REDIRPORT; }
278     redirserv { return REDIRSERV; }
279     rehash { return REHASH; }
280     rej { return T_REJ; }
281     remote { return REMOTE; }
282     remoteban { return REMOTEBAN; }
283     restart { return T_RESTART; }
284     resv { return RESV; }
285     resv_exempt { return RESV_EXEMPT; }
286     rsa_private_key_file { return RSA_PRIVATE_KEY_FILE; }
287     rsa_public_key_file { return RSA_PUBLIC_KEY_FILE; }
288     send_password { return SEND_PASSWORD; }
289     sendq { return SENDQ; }
290     server { return T_SERVER; }
291     serverhide { return SERVERHIDE; }
292     serverinfo { return SERVERINFO; }
293     service { return T_SERVICE; }
294     services_name { return T_SERVICES_NAME; }
295     servnotice { return T_SERVNOTICE; }
296     set { return T_SET; }
297     shared { return T_SHARED; }
298     short_motd { return SHORT_MOTD; }
299     sid { return IRCD_SID; }
300     size { return T_SIZE; }
301     skill { return T_SKILL; }
302     softcallerid { return T_SOFTCALLERID; }
303     spoof { return SPOOF; }
304     spoof_notice { return SPOOF_NOTICE; }
305     spy { return T_SPY; }
306     squit { return SQUIT; }
307     ssl { return T_SSL; }
308 adx 30 ssl_certificate_file { return SSL_CERTIFICATE_FILE; }
309 michael 2244 ssl_certificate_fingerprint { return SSL_CERTIFICATE_FINGERPRINT; }
310 michael 2129 ssl_cipher_list { return T_SSL_CIPHER_LIST; }
311 michael 2248 ssl_connection_required { return SSL_CONNECTION_REQUIRED; }
312 michael 4070 ssl_dh_elliptic_curve { return SSL_DH_ELLIPTIC_CURVE; }
313 michael 2129 ssl_dh_param_file { return SSL_DH_PARAM_FILE; }
314 michael 4114 ssl_message_digest_algorithm { return SSL_MESSAGE_DIGEST_ALGORITHM; }
315 michael 2129 stats_e_disabled { return STATS_E_DISABLED; }
316     stats_i_oper_only { return STATS_I_OPER_ONLY; }
317     stats_k_oper_only { return STATS_K_OPER_ONLY; }
318     stats_o_oper_only { return STATS_O_OPER_ONLY; }
319     stats_P_oper_only { return STATS_P_OPER_ONLY; }
320 michael 2269 stats_u_oper_only { return STATS_U_OPER_ONLY; }
321 michael 3877 throttle_count { return THROTTLE_COUNT; }
322 michael 2129 throttle_time { return THROTTLE_TIME; }
323     tkline_expire_notices { return TKLINE_EXPIRE_NOTICES; }
324     true_no_oper_flood { return TRUE_NO_OPER_FLOOD; }
325     ts_max_delta { return TS_MAX_DELTA; }
326     ts_warn_delta { return TS_WARN_DELTA; }
327     type { return TYPE; }
328     umodes { return T_UMODES; }
329     unauth { return T_UNAUTH; }
330     undline { return T_UNDLINE; }
331     unkline { return UNKLINE; }
332     unlimited { return T_UNLIMITED; }
333     unresv { return T_UNRESV; }
334     unxline { return T_UNXLINE; }
335     use_egd { return USE_EGD; }
336     use_logging { return USE_LOGGING; }
337 michael 2916 user { return USER; }
338 michael 2129 vhost { return VHOST; }
339     vhost6 { return VHOST6; }
340     wallop { return T_WALLOP; }
341     wallops { return T_WALLOPS; }
342 michael 3473 warn_no_connect_block { return WARN_NO_CONNECT_BLOCK; }
343 michael 2129 webirc { return T_WEBIRC; }
344     xline { return XLINE; }
345 adx 30
346 michael 2129 yes { yylval.number = 1; return TBOOL; }
347     no { yylval.number = 0; return TBOOL; }
348 adx 30
349 michael 2129 years { return YEARS; }
350     year { return YEARS; }
351     months { return MONTHS; }
352     month { return MONTHS; }
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 adx 30
364 michael 2129 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     \.\. { return TWODOTS; }
377 adx 30
378 michael 2129 . { return yytext[0]; }
379     <<EOF>> { if (ieof()) yyterminate(); }
380 adx 30
381     %%
382    
383     /* C-comment ignoring routine -kre*/
384     static void
385     ccomment(void)
386     {
387     int c = 0;
388    
389     /* log(L_NOTICE, "got comment"); */
390     while (1)
391     {
392     while ((c = input()) != '*' && c != EOF)
393     if (c == '\n')
394     ++lineno;
395    
396     if (c == '*')
397     {
398     while ((c = input()) == '*')
399     /* Nothing */ ;
400     if (c == '/')
401     break;
402     else if (c == '\n')
403     ++lineno;
404     }
405    
406     if (c == EOF)
407     {
408     YY_FATAL_ERROR("EOF in comment");
409     /* XXX hack alert this disables
410     * the stupid unused function warning
411 michael 2916 * gcc generates
412 adx 30 */
413     if (1 == 0)
414     yy_fatal_error("EOF in comment");
415     break;
416     }
417     }
418     }
419    
420     /* C-style .includes. This function will properly swap input conf buffers,
421     * and lineno -kre */
422     static void
423     cinclude(void)
424     {
425     char *p = NULL;
426    
427     if ((p = strchr(yytext, '<')) == NULL)
428     *strchr(p = strchr(yytext, '"') + 1, '"') = '\0';
429     else
430     *strchr(++p, '>') = '\0';
431    
432     /* log(L_NOTICE, "got include %s!", c); */
433    
434 michael 2916 /* do stacking and co. */
435 adx 30 if (include_stack_ptr >= MAX_INCLUDE_DEPTH)
436 michael 1247 ilog(LOG_TYPE_IRCD, "Includes nested too deep in %s", p);
437 adx 30 else
438     {
439 michael 1325 FILE *tmp_fbfile_in = NULL;
440 adx 30 char filenamebuf[IRCD_BUFSIZE];
441    
442     if (*p == '/') /* if it is an absolute path */
443     snprintf(filenamebuf, sizeof(filenamebuf), "%s", p);
444     else
445     snprintf(filenamebuf, sizeof(filenamebuf), "%s/%s", ETCPATH, p);
446    
447 michael 1325 tmp_fbfile_in = fopen(filenamebuf, "r");
448 michael 2916
449 adx 30 if (tmp_fbfile_in == NULL)
450     {
451 michael 1247 ilog(LOG_TYPE_IRCD, "Unable to read configuration file '%s': %s",
452 adx 30 filenamebuf, strerror(errno));
453     return;
454     }
455    
456     lineno_stack[include_stack_ptr] = lineno;
457     lineno = 1;
458 michael 967 inc_fbfile_in[include_stack_ptr] = conf_parser_ctx.conf_file;
459 adx 30 strlcpy(conffile_stack[include_stack_ptr], conffilebuf, IRCD_BUFSIZE);
460     include_stack[include_stack_ptr++] = YY_CURRENT_BUFFER;
461 michael 967 conf_parser_ctx.conf_file = tmp_fbfile_in;
462 michael 711 snprintf(conffilebuf, sizeof(conffilebuf), "%s", filenamebuf);
463 adx 30 yy_switch_to_buffer(yy_create_buffer(yyin, YY_BUF_SIZE));
464     }
465     }
466    
467     /* This is function that will be called on EOF in conf file. It will
468     * apropriately close conf if it not main conf and swap input buffers -kre
469     * */
470     static int
471     ieof(void)
472     {
473     /* log(L_NOTICE, "return from include stack!"); */
474     if (include_stack_ptr)
475 michael 1325 fclose(conf_parser_ctx.conf_file);
476 adx 30 if (--include_stack_ptr < 0)
477     {
478     /* log(L_NOTICE, "terminating lexer"); */
479     /* We will now exit the lexer - restore init values if we get /rehash
480     * later and reenter lexer -kre */
481     include_stack_ptr = 0;
482     lineno = 1;
483     return 1;
484     }
485    
486     /* switch buffer */
487     /* log(L_NOTICE, "deleting include_stack_ptr=%d", include_stack_ptr); */
488     yy_delete_buffer(YY_CURRENT_BUFFER);
489     lineno = lineno_stack[include_stack_ptr];
490 michael 967 conf_parser_ctx.conf_file = inc_fbfile_in[include_stack_ptr];
491 michael 2916 strlcpy(conffilebuf, conffile_stack[include_stack_ptr], sizeof(conffilebuf));
492 adx 30 yy_switch_to_buffer(include_stack[include_stack_ptr]);
493    
494     return 0;
495     }

Properties

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