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root/svn/ircd-hybrid/branches/8.2.x/src/conf_lexer.l
Revision: 2129
Committed: Wed May 29 13:12:15 2013 UTC (13 years, 1 month ago) by michael
Original Path: ircd-hybrid/trunk/src/conf_lexer.l
File size: 18814 byte(s)
Log Message:
- conf_parser.l, conf_parser.y: style corrections

File Contents

# User Rev Content
1 adx 30 /*
2     * ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
3 michael 1309 * conf_lexer.l: Scans the ircd configuration file for tokens.
4 adx 30 *
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 michael 1309 #include "conf.h"
34     #include "conf_parser.h" /* autogenerated header file */
35     #include "log.h"
36 adx 30
37     #undef YY_INPUT
38     #define YY_FATAL_ERROR(msg) conf_yy_fatal_error(msg)
39     #define YY_INPUT(buf,result,max_size) \
40 michael 1353 if (!(result = conf_yy_input(buf, max_size))) \
41 adx 30 YY_FATAL_ERROR("input in flex scanner failed");
42     #define MAX_INCLUDE_DEPTH 10
43    
44    
45     unsigned int lineno = 1;
46     char linebuf[IRCD_BUFSIZE];
47     char conffilebuf[IRCD_BUFSIZE];
48    
49     static int include_stack_ptr = 0;
50     static YY_BUFFER_STATE include_stack[MAX_INCLUDE_DEPTH];
51     static unsigned int lineno_stack[MAX_INCLUDE_DEPTH];
52 michael 1325 static FILE *inc_fbfile_in[MAX_INCLUDE_DEPTH];
53 adx 30 static char conffile_stack[MAX_INCLUDE_DEPTH][IRCD_BUFSIZE];
54     static void ccomment(void);
55     static void cinclude(void);
56     static int ieof(void);
57 michael 1353
58     static int
59     conf_yy_input(char *lbuf, unsigned int max_size)
60     {
61     return !fgets(lbuf, max_size, conf_parser_ctx.conf_file) ? 0 : strlen(lbuf);
62     }
63    
64     static int
65     conf_yy_fatal_error(const char *msg)
66     {
67     return 0;
68     }
69    
70 adx 30 %}
71    
72     WS [[:blank:]]*
73     DIGIT [[:digit:]]+
74     COMMENT ("//"|"#").*
75     qstring \"[^\"\n]*[\"\n]
76     include \.include{WS}(\<.*\>|\".*\")
77    
78     %%
79     {include} { cinclude(); }
80     "/*" { ccomment(); }
81    
82 michael 1353 \n.* { strlcpy(linebuf, yytext+1, sizeof(linebuf)); ++lineno; yyless(1); }
83 adx 30
84     {WS} ;
85     {COMMENT} ;
86    
87     {DIGIT} { yylval.number = atoi(yytext); return NUMBER; }
88    
89     {qstring} { if (yytext[yyleng-2] == '\\')
90     {
91     yyless(yyleng-1); /* return last quote */
92     yymore(); /* append next string */
93     }
94     else
95     {
96     yylval.string = yytext+1;
97     if(yylval.string[yyleng-2] != '"')
98 michael 1247 ilog(LOG_TYPE_IRCD, "Unterminated character string");
99 adx 30 else
100     {
101     int i,j;
102    
103     yylval.string[yyleng-2] = '\0'; /* remove close
104     * quote
105     */
106    
107     for (j=i=0 ;yylval.string[i] != '\0'; i++,j++)
108     {
109     if (yylval.string[i] != '\\')
110     {
111     yylval.string[j] = yylval.string[i];
112     }
113     else
114     {
115     i++;
116     if (yylval.string[i] == '\0') /* XXX
117     * should not
118     * happen
119     */
120     {
121 michael 1247 ilog(LOG_TYPE_IRCD,
122 adx 30 "Unterminated character string");
123     break;
124     }
125     yylval.string[j] = yylval.string[i];
126     }
127     }
128     yylval.string[j] = '\0';
129     return QSTRING;
130     }
131     }
132     }
133    
134 michael 2129 accept_password { return ACCEPT_PASSWORD; }
135     admin { return ADMIN; }
136     administrator { return ADMIN; }
137     aftype { return AFTYPE; }
138     all { return T_ALL; }
139     anti_nick_flood { return ANTI_NICK_FLOOD; }
140     anti_spam_exit_message_time { return ANTI_SPAM_EXIT_MESSAGE_TIME; }
141     auth { return IRCD_AUTH; }
142     autoconn { return AUTOCONN; }
143     bots { return T_BOTS; }
144     caller_id_wait { return CALLER_ID_WAIT; }
145     callerid { return T_CALLERID; }
146     can_flood { return CAN_FLOOD; }
147     cconn { return T_CCONN; }
148     cconn_full { return T_CCONN_FULL; }
149     channel { return CHANNEL; }
150     cidr_bitlen_ipv4 { return CIDR_BITLEN_IPV4; }
151     cidr_bitlen_ipv6 { return CIDR_BITLEN_IPV6; }
152     class { return CLASS; }
153     cluster { return T_CLUSTER; }
154     connect { return CONNECT; }
155     connectfreq { return CONNECTFREQ; }
156     deaf { return T_DEAF; }
157     debug { return T_DEBUG; }
158     default_floodcount { return DEFAULT_FLOODCOUNT; }
159     default_split_server_count { return DEFAULT_SPLIT_SERVER_COUNT; }
160     default_split_user_count { return DEFAULT_SPLIT_USER_COUNT; }
161     deny { return DENY; }
162     description { return DESCRIPTION; }
163     die { return DIE; }
164     disable_auth { return DISABLE_AUTH; }
165     disable_fake_channels { return DISABLE_FAKE_CHANNELS; }
166     disable_remote_commands { return DISABLE_REMOTE_COMMANDS; }
167     dline { return T_DLINE; }
168     dots_in_ident { return DOTS_IN_IDENT; }
169     egdpool_path { return EGDPOOL_PATH; }
170     email { return EMAIL; }
171     encrypted { return ENCRYPTED; }
172     exceed_limit { return EXCEED_LIMIT; }
173     exempt { return EXEMPT; }
174     external { return T_EXTERNAL; }
175     failed_oper_notice { return FAILED_OPER_NOTICE; }
176     farconnect { return T_FARCONNECT; }
177     file { return T_FILE; }
178     flags { return IRCD_FLAGS; }
179     flatten_links { return FLATTEN_LINKS; }
180     full { return T_FULL; }
181     gecos { return GECOS; }
182     general { return GENERAL; }
183     gline { return GLINE; }
184     gline_duration { return GLINE_DURATION; }
185     gline_enable { return GLINE_ENABLE; }
186     gline_exempt { return GLINE_EXEMPT; }
187     gline_min_cidr { return GLINE_MIN_CIDR; }
188     gline_min_cidr6 { return GLINE_MIN_CIDR6; }
189     gline_request_duration { return GLINE_REQUEST_DURATION; }
190     global_kill { return GLOBAL_KILL; }
191     globops { return T_GLOBOPS; }
192     have_ident { return NEED_IDENT; }
193     havent_read_conf { return HAVENT_READ_CONF; }
194     hidden { return HIDDEN; }
195     hidden_name { return HIDDEN_NAME; }
196     hide_idle_from_opers { return HIDE_IDLE_FROM_OPERS; }
197     hide_server_ips { return HIDE_SERVER_IPS; }
198     hide_servers { return HIDE_SERVERS; }
199     hide_services { return HIDE_SERVICES; }
200     hide_spoof_ips { return HIDE_SPOOF_IPS; }
201     host { return HOST; }
202     hub { return HUB; }
203     hub_mask { return HUB_MASK; }
204     ignore_bogus_ts { return IGNORE_BOGUS_TS; }
205     invisible { return T_INVISIBLE; }
206     invisible_on_connect { return INVISIBLE_ON_CONNECT; }
207     ip { return IP; }
208     ipv4 { return T_IPV4; }
209     ipv6 { return T_IPV6; }
210     join_flood_count { return JOIN_FLOOD_COUNT; }
211     join_flood_time { return JOIN_FLOOD_TIME; }
212     kill { return KILL; }
213     kill_chase_time_limit { return KILL_CHASE_TIME_LIMIT; }
214     kline { return KLINE; }
215     kline_exempt { return KLINE_EXEMPT; }
216     knock_delay { return KNOCK_DELAY; }
217     knock_delay_channel { return KNOCK_DELAY_CHANNEL; }
218     leaf_mask { return LEAF_MASK; }
219     links_delay { return LINKS_DELAY; }
220     listen { return LISTEN; }
221     locops { return T_LOCOPS; }
222     log { return T_LOG; }
223     mask { return MASK; }
224     masked { return TMASKED; }
225     max_accept { return MAX_ACCEPT; }
226     max_bans { return MAX_BANS; }
227     max_chans_per_oper { return MAX_CHANS_PER_OPER; }
228     max_chans_per_user { return MAX_CHANS_PER_USER; }
229     max_clients { return T_MAX_CLIENTS; }
230     max_global { return MAX_GLOBAL; }
231     max_ident { return MAX_IDENT; }
232     max_idle { return MAX_IDLE; }
233     max_local { return MAX_LOCAL; }
234     max_nick_changes { return MAX_NICK_CHANGES; }
235     max_nick_length { return MAX_NICK_LENGTH; }
236     max_nick_time { return MAX_NICK_TIME; }
237     max_number { return MAX_NUMBER; }
238     max_targets { return MAX_TARGETS; }
239     max_topic_length { return MAX_TOPIC_LENGTH; }
240     max_watch { return MAX_WATCH; }
241     min_idle { return MIN_IDLE; }
242     min_nonwildcard { return MIN_NONWILDCARD; }
243     min_nonwildcard_simple { return MIN_NONWILDCARD_SIMPLE; }
244     module { return MODULE; }
245     modules { return MODULES; }
246     name { return NAME; }
247     nchange { return T_NCHANGE; }
248     need_ident { return NEED_IDENT; }
249     need_password { return NEED_PASSWORD; }
250     network_desc { return NETWORK_DESC; }
251     network_name { return NETWORK_NAME; }
252     nick { return NICK; }
253     no_create_on_split { return NO_CREATE_ON_SPLIT; }
254     no_join_on_split { return NO_JOIN_ON_SPLIT; }
255     no_oper_flood { return NO_OPER_FLOOD; }
256     no_tilde { return NO_TILDE; }
257     nononreg { return T_NONONREG; }
258     number_per_cidr { return NUMBER_PER_CIDR; }
259     number_per_ip { return NUMBER_PER_IP; }
260     oper { return OPERATOR; }
261     oper_only_umodes { return OPER_ONLY_UMODES; }
262     oper_pass_resv { return OPER_PASS_RESV; }
263     oper_umodes { return OPER_UMODES; }
264     operator { return OPERATOR; }
265     opers_bypass_callerid { return OPERS_BYPASS_CALLERID; }
266     operwall { return T_OPERWALL; }
267     pace_wait { return PACE_WAIT; }
268     pace_wait_simple { return PACE_WAIT_SIMPLE; }
269     passwd { return PASSWORD; }
270     password { return PASSWORD; }
271     path { return PATH; }
272     ping_cookie { return PING_COOKIE; }
273     ping_time { return PING_TIME; }
274     port { return PORT; }
275     quarantine { return RESV; }
276     random_idle { return RANDOM_IDLE; }
277     reason { return REASON; }
278     recvq { return T_RECVQ; }
279     redirport { return REDIRPORT; }
280     redirserv { return REDIRSERV; }
281     rehash { return REHASH; }
282     rej { return T_REJ; }
283     remote { return REMOTE; }
284     remoteban { return REMOTEBAN; }
285     restart { return T_RESTART; }
286     resv { return RESV; }
287     resv_exempt { return RESV_EXEMPT; }
288     rsa_private_key_file { return RSA_PRIVATE_KEY_FILE; }
289     rsa_public_key_file { return RSA_PUBLIC_KEY_FILE; }
290     send_password { return SEND_PASSWORD; }
291     sendq { return SENDQ; }
292     server { return T_SERVER; }
293     serverhide { return SERVERHIDE; }
294     serverinfo { return SERVERINFO; }
295     service { return T_SERVICE; }
296     services_name { return T_SERVICES_NAME; }
297     servnotice { return T_SERVNOTICE; }
298     set { return T_SET; }
299     shared { return T_SHARED; }
300     short_motd { return SHORT_MOTD; }
301     sid { return IRCD_SID; }
302     size { return T_SIZE; }
303     skill { return T_SKILL; }
304     softcallerid { return T_SOFTCALLERID; }
305     spoof { return SPOOF; }
306     spoof_notice { return SPOOF_NOTICE; }
307     spy { return T_SPY; }
308     squit { return SQUIT; }
309     ssl { return T_SSL; }
310 adx 30 ssl_certificate_file { return SSL_CERTIFICATE_FILE; }
311 michael 2129 ssl_cipher_list { return T_SSL_CIPHER_LIST; }
312     ssl_client_method { return T_SSL_CLIENT_METHOD; }
313     ssl_dh_param_file { return SSL_DH_PARAM_FILE; }
314     ssl_server_method { return T_SSL_SERVER_METHOD; }
315     sslv3 { return T_SSLV3; }
316     stats_e_disabled { return STATS_E_DISABLED; }
317     stats_i_oper_only { return STATS_I_OPER_ONLY; }
318     stats_k_oper_only { return STATS_K_OPER_ONLY; }
319     stats_o_oper_only { return STATS_O_OPER_ONLY; }
320     stats_P_oper_only { return STATS_P_OPER_ONLY; }
321     throttle_time { return THROTTLE_TIME; }
322     tkline_expire_notices { return TKLINE_EXPIRE_NOTICES; }
323     tlsv1 { return T_TLSV1; }
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     user { return USER; }
338     vhost { return VHOST; }
339     vhost6 { return VHOST6; }
340     wallop { return T_WALLOP; }
341     wallops { return T_WALLOPS; }
342     warn_no_nline { return WARN_NO_NLINE; }
343     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     * gcc generates
412     */
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     /* do stacking and co. */
435     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 adx 30
449     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 adx 30 strlcpy(conffilebuf, conffile_stack[include_stack_ptr], sizeof(conffilebuf));
492     yy_switch_to_buffer(include_stack[include_stack_ptr]);
493    
494     return 0;
495     }

Properties

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svn:eol-style native
svn:keywords Id Revision