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root/svn/ircd-hybrid/trunk/src/conf_lexer.l
Revision: 56
Committed: Mon Oct 3 11:33:30 2005 UTC (20 years, 9 months ago) by michael
Original Path: ircd-hybrid-7.2/src/ircd_lexer.l
File size: 16475 byte(s)
Log Message: 
- Re-added an equivalent of H6's sixth O-line field (Modes to get on operup).
- Updated efnet's example.conf to reflect the new
  opers_bypass_callerid directive
- Misc style corrections to s_user.c while on it

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 "tools.h"
33     #include "irc_string.h"
34     #include "common.h"
35     #include "s_conf.h"
36     #include "memory.h"
37     #include "hostmask.h"
38     #include "s_log.h"
39    
40     #include "y.tab.h"
41    
42     #undef YY_INPUT
43     #define YY_FATAL_ERROR(msg) conf_yy_fatal_error(msg)
44     #define YY_INPUT(buf,result,max_size) \
45     if (!(result = conf_fbgets(buf, max_size, conf_fbfile_in))) \
46     YY_FATAL_ERROR("input in flex scanner failed");
47     #define MAX_INCLUDE_DEPTH 10
48    
49    
50     unsigned int lineno = 1;
51     char linebuf[IRCD_BUFSIZE];
52     char conffilebuf[IRCD_BUFSIZE];
53    
54     static int include_stack_ptr = 0;
55     static YY_BUFFER_STATE include_stack[MAX_INCLUDE_DEPTH];
56     static unsigned int lineno_stack[MAX_INCLUDE_DEPTH];
57     static FBFILE *inc_fbfile_in[MAX_INCLUDE_DEPTH];
58     static char conffile_stack[MAX_INCLUDE_DEPTH][IRCD_BUFSIZE];
59     static void ccomment(void);
60     static void cinclude(void);
61     static int ieof(void);
62     %}
63    
64     WS [[:blank:]]*
65     DIGIT [[:digit:]]+
66     COMMENT ("//"|"#").*
67     qstring \"[^\"\n]*[\"\n]
68     include \.include{WS}(\<.*\>|\".*\")
69    
70     %%
71     {include} { cinclude(); }
72     "/*" { ccomment(); }
73    
74     \n.* { strcpy(linebuf, yytext+1); ++lineno; yyless(1); }
75    
76     {WS} ;
77     {COMMENT} ;
78    
79     {DIGIT} { yylval.number = atoi(yytext); return NUMBER; }
80    
81     {qstring} { if (yytext[yyleng-2] == '\\')
82     {
83     yyless(yyleng-1); /* return last quote */
84     yymore(); /* append next string */
85     }
86     else
87     {
88     yylval.string = yytext+1;
89     if(yylval.string[yyleng-2] != '"')
90     ilog(L_ERROR, "Unterminated character string");
91     else
92     {
93     int i,j;
94    
95     yylval.string[yyleng-2] = '\0'; /* remove close
96     * quote
97     */
98    
99     for (j=i=0 ;yylval.string[i] != '\0'; i++,j++)
100     {
101     if (yylval.string[i] != '\\')
102     {
103     yylval.string[j] = yylval.string[i];
104     }
105     else
106     {
107     i++;
108     if (yylval.string[i] == '\0') /* XXX
109     * should not
110     * happen
111     */
112     {
113     ilog(L_ERROR,
114     "Unterminated character string");
115     break;
116     }
117     yylval.string[j] = yylval.string[i];
118     }
119     }
120     yylval.string[j] = '\0';
121     return QSTRING;
122     }
123     }
124     }
125    
126     ~ { return NOT; }
127     accept_password { return ACCEPT_PASSWORD; }
128     action { return ACTION; }
129     admin { return ADMIN; }
130     administrator { return ADMIN; }
131     aftype { return AFTYPE; }
132     all { return T_ALL; }
133     allow { return T_ALLOW; }
134     auth { return IRCD_AUTH; }
135     autoconn { return AUTOCONN; }
136     block { return T_BLOCK; }
137     burst_away { return BURST_AWAY; }
138     burst_topicwho { return BURST_TOPICWHO; }
139     can_flood { return CAN_FLOOD; }
140     can_idle { return CAN_IDLE; }
141     caller_id_wait { return CALLER_ID_WAIT; }
142     opers_bypass_callerid { return OPERS_BYPASS_CALLERID; }
143     channel { return CHANNEL; }
144     cidr_bitlen_ipv4 { return CIDR_BITLEN_IPV4; }
145     cidr_bitlen_ipv6 { return CIDR_BITLEN_IPV6; }
146     cipher_preference { return CIPHER_PREFERENCE; }
147     class { return CLASS; }
148     client_flood { return T_CLIENT_FLOOD; }
149     cluster { return T_CLUSTER; }
150     compressed { return COMPRESSED; }
151     compression_level { return COMPRESSION_LEVEL; }
152     connect { return CONNECT; }
153     connectfreq { return CONNECTFREQ; }
154     cryptlink { return CRYPTLINK; }
155     default_cipher_preference { return DEFAULT_CIPHER_PREFERENCE; }
156     default_floodcount { return DEFAULT_FLOODCOUNT; }
157     default_split_server_count { return DEFAULT_SPLIT_SERVER_COUNT; }
158     default_split_user_count { return DEFAULT_SPLIT_USER_COUNT; }
159     deny { return DENY; }
160     description { return DESCRIPTION; }
161     die { return DIE; }
162     disable_auth { return DISABLE_AUTH; }
163     disable_hidden { return DISABLE_HIDDEN; }
164     disable_local_channels { return DISABLE_LOCAL_CHANNELS; }
165     disable_remote_commands { return DISABLE_REMOTE_COMMANDS; }
166     dot_in_ip6_addr { return DOT_IN_IP6_ADDR; }
167     dots_in_ident { return DOTS_IN_IDENT; }
168     duration { return DURATION; }
169     egdpool_path { return EGDPOOL_PATH; }
170     email { return EMAIL; }
171     enable { return ENABLE; }
172     encrypted { return ENCRYPTED; }
173     exceed_limit { return EXCEED_LIMIT; }
174     exempt { return EXEMPT; }
175     fakename { return FAKENAME; }
176     flags { return IRCD_FLAGS; }
177     flatten_links { return FLATTEN_LINKS; }
178     fglinelog { return FGLINELOG; }
179     fname_glinelog { return FGLINELOG; }
180     fkilllog { return FKILLLOG; }
181     fioerrlog { return FIOERRLOG; }
182     fname_ioerrlog { return FIOERRLOG; }
183     fname_killlog { return FKILLLOG; }
184     fklinelog { return FKLINELOG; }
185     fname_klinelog { return FKLINELOG; }
186     ffailed_operlog { return FFAILED_OPERLOG; }
187     fname_operlog { return FOPERLOG; }
188     foperlog { return FOPERLOG; }
189     fname_userlog { return FUSERLOG; }
190     fuserlog { return FUSERLOG; }
191     gecos { return GECOS; }
192     general { return GENERAL; }
193     gline { return GLINE; }
194     glines { return GLINES; }
195     gline_exempt { return GLINE_EXEMPT; }
196     gline_min_cidr { return GLINE_MIN_CIDR; }
197     gline_min_cidr6 { return GLINE_MIN_CIDR6; }
198     global_kill { return GLOBAL_KILL; }
199     have_ident { return NEED_IDENT; }
200     need_ident { return NEED_IDENT; }
201     havent_read_conf { return HAVENT_READ_CONF; }
202     hidden { return HIDDEN; }
203     hidden_admin { return HIDDEN_ADMIN; }
204     hidden_name { return HIDDEN_NAME; }
205     hidden_oper { return HIDDEN_OPER; }
206     hide_server_ips { return HIDE_SERVER_IPS; }
207     hide_servers { return HIDE_SERVERS; }
208     hide_spoof_ips { return HIDE_SPOOF_IPS; }
209     host { return HOST; }
210     hub { return HUB; }
211     hub_mask { return HUB_MASK; }
212     idletime { return IDLETIME; }
213     ignore_bogus_ts { return IGNORE_BOGUS_TS; }
214     invite_ops_only { return INVITE_OPS_ONLY; }
215     invisible_on_connect { return INVISIBLE_ON_CONNECT; }
216     ip { return IP; }
217     ipv4 { return T_IPV4; }
218     ipv6 { return T_IPV6; }
219     join_flood_count { return JOIN_FLOOD_COUNT; }
220     join_flood_time { return JOIN_FLOOD_TIME; }
221     kill { return KILL; }
222     kill_chase_time_limit { return KILL_CHASE_TIME_LIMIT; }
223     kline { return KLINE; }
224     kline_exempt { return KLINE_EXEMPT; }
225     l_crit { return T_L_CRIT; }
226     l_debug { return T_L_DEBUG; }
227     l_error { return T_L_ERROR; }
228     l_info { return T_L_INFO; }
229     l_notice { return T_L_NOTICE; }
230     l_trace { return T_L_TRACE; }
231     l_warn { return T_L_WARN; }
232     lazylink { return LAZYLINK; }
233     leaf_mask { return LEAF_MASK; }
234     listen { return LISTEN; }
235     log_level { return LOG_LEVEL; }
236     log { return LOGGING; }
237     logging { return LOGGING; }
238     logpath { return T_LOGPATH; }
239     masked { return TMASKED; }
240     max_clients { return T_MAX_CLIENTS; }
241     max_ident { return MAX_IDENT; }
242     max_local { return MAX_LOCAL; }
243     max_global { return MAX_GLOBAL; }
244     max_number { return MAX_NUMBER; }
245     message_locale { return MESSAGE_LOCALE; }
246     min_nonwildcard { return MIN_NONWILDCARD; }
247     min_nonwildcard_simple { return MIN_NONWILDCARD_SIMPLE; }
248     name { return NAME; }
249     need_password { return NEED_PASSWORD; }
250     network_desc { return NETWORK_DESC; }
251     network_name { return NETWORK_NAME; }
252     nick { return NICK; }
253     nick_changes { return NICK_CHANGES; }
254     no { yylval.number = NO; return TBOOL; }
255     no_create_on_split { return NO_CREATE_ON_SPLIT; }
256     no_join_on_split { return NO_JOIN_ON_SPLIT; }
257     no_oper_flood { return NO_OPER_FLOOD; }
258     no_tilde { return NO_TILDE; }
259     number_per_cidr { return NUMBER_PER_CIDR; }
260     number_per_ip { return NUMBER_PER_IP; }
261     oper { return OPERATOR; }
262     oper_log { return OPER_LOG; }
263     oper_pass_resv { return OPER_PASS_RESV; }
264     operator { return OPERATOR; }
265     passwd { return PASSWORD; }
266     password { return PASSWORD; }
267     ping_cookie { return PING_COOKIE; }
268     ping_time { return PING_TIME; }
269     ping_warning { return PING_WARNING; }
270     port { return PORT; }
271     quarantine { return RESV; }
272     quiet_on_ban { return QUIET_ON_BAN; }
273     reason { return REASON; }
274     redirport { return REDIRPORT; }
275     redirserv { return REDIRSERV; }
276     regex { return REGEX_T; }
277     rehash { return REHASH; }
278     reject { return T_REJECT; }
279     reject_hold_time { return TREJECT_HOLD_TIME; }
280     remote { return REMOTE; }
281     remoteban { return REMOTEBAN; }
282     restrict_channels { return RESTRICT_CHANNELS; }
283     resv { return RESV; }
284     resv_exempt { return RESV_EXEMPT; }
285     rsa_private_key_file { return RSA_PRIVATE_KEY_FILE; }
286     rsa_public_key_file { return RSA_PUBLIC_KEY_FILE; }
287     ssl { return T_SSL; }
288     ssl_certificate_file { return SSL_CERTIFICATE_FILE; }
289     send_password { return SEND_PASSWORD; }
290     sendq { return SENDQ; }
291     serverhide { return SERVERHIDE; }
292     serverinfo { return SERVERINFO; }
293     servlink_path { return SERVLINK_PATH; }
294     shared { return T_SHARED; }
295     short_motd { return SHORT_MOTD; }
296     sid { return IRCD_SID; }
297     silent { return SILENT; }
298     spoof { return SPOOF; }
299     spoof_notice { return SPOOF_NOTICE; }
300     tkline_expire_notices { return TKLINE_EXPIRE_NOTICES; }
301     type { return TYPE; }
302     true_no_oper_flood { return TRUE_NO_OPER_FLOOD; }
303 michael 56 umodes { return T_UMODES; }
304 adx 30 unkline { return UNKLINE; }
305     use_egd { return USE_EGD; }
306     use_except { return USE_EXCEPT; }
307     use_invex { return USE_INVEX; }
308     use_knock { return USE_KNOCK; }
309     use_logging { return USE_LOGGING; }
310     use_whois_actually { return USE_WHOIS_ACTUALLY; }
311     throttle_time { return THROTTLE_TIME; }
312     user { return USER; }
313     tkline { return TKLINE; }
314     txline { return TXLINE; }
315     tresv { return TRESV; }
316     vhost { return VHOST; }
317     vhost6 { return VHOST6; }
318     warn { return WARN; }
319     xline { return XLINE; }
320     yes { yylval.number = YES; return TBOOL; }
321    
322     failed_oper_notice { return FAILED_OPER_NOTICE; }
323     max_accept { return MAX_ACCEPT; }
324     max_nick_changes { return MAX_NICK_CHANGES; }
325     max_chans_per_user { return MAX_CHANS_PER_USER; }
326     max_nick_time { return MAX_NICK_TIME; }
327     anti_nick_flood { return ANTI_NICK_FLOOD; }
328     anti_spam_exit_message_time { return ANTI_SPAM_EXIT_MESSAGE_TIME; }
329     ts_max_delta { return TS_MAX_DELTA; }
330     ts_warn_delta { return TS_WARN_DELTA; }
331     links_delay { return LINKS_DELAY; }
332     kline_reason { return KLINE_REASON; }
333     kline_with_reason { return KLINE_WITH_REASON; }
334     warn_no_nline { return WARN_NO_NLINE; }
335    
336     stats_o_oper_only { return STATS_O_OPER_ONLY; }
337     stats_k_oper_only { return STATS_K_OPER_ONLY; }
338     stats_i_oper_only { return STATS_I_OPER_ONLY; }
339     stats_P_oper_only { return STATS_P_OPER_ONLY; }
340     pace_wait { return PACE_WAIT; }
341     pace_wait_simple { return PACE_WAIT_SIMPLE; }
342     knock_delay { return KNOCK_DELAY; }
343     knock_delay_channel { return KNOCK_DELAY_CHANNEL; }
344     max_bans { return MAX_BANS; }
345     modules { return MODULES; }
346     module { return MODULE; }
347     path { return PATH; }
348     max_targets { return MAX_TARGETS; }
349    
350     unxline { return T_UNXLINE; }
351     unresv { return T_UNRESV; }
352    
353     oper_only_umodes { return OPER_ONLY_UMODES; }
354     oper_umodes { return OPER_UMODES; }
355     bots { return T_BOTS; }
356     cconn { return T_CCONN; }
357     deaf { return T_DEAF; }
358     debug { return T_DEBUG; }
359     full { return T_FULL; }
360     skill { return T_SKILL; }
361     nchange { return T_NCHANGE; }
362     rej { return T_REJ; }
363     unauth { return T_UNAUTH; }
364     spy { return T_SPY; }
365     external { return T_EXTERNAL; }
366     operwall { return T_OPERWALL; }
367     servnotice { return T_SERVNOTICE; }
368     invisible { return T_INVISIBLE; }
369     wallop { return T_WALLOP; }
370     callerid { return T_CALLERID; }
371     softcallerid { return T_SOFTCALLERID; }
372     drone { return T_DRONE; }
373     locops { return T_LOCOPS; }
374     topicburst { return TOPICBURST; }
375    
376     weeks { return WEEKS; }
377     week { return WEEKS; }
378     days { return DAYS; }
379     day { return DAYS; }
380     hours { return HOURS; }
381     hour { return HOURS; }
382     minutes { return MINUTES; }
383     minute { return MINUTES; }
384     seconds { return SECONDS; }
385     second { return SECONDS; }
386    
387     bytes { return BYTES; }
388     byte { return BYTES; }
389     kilobytes { return KBYTES; }
390     kilobyte { return KBYTES; }
391     kbytes { return KBYTES; }
392     kbyte { return KBYTES; }
393     kb { return KBYTES; }
394     megabytes { return MBYTES; }
395     megabyte { return MBYTES; }
396     mbytes { return MBYTES; }
397     mbyte { return MBYTES; }
398     mb { return MBYTES; }
399     gigabytes { return GBYTES; }
400     gigabyte { return GBYTES; }
401     gbytes { return GBYTES; }
402     gbyte { return GBYTES; }
403     gb { return GBYTES; }
404     terabytes { return TBYTES; }
405     terabyte { return TBYTES; }
406     tbytes { return TBYTES; }
407     tbyte { return TBYTES; }
408     tb { return TBYTES; }
409     \.\. { return TWODOTS; }
410    
411     . { return yytext[0]; }
412     <<EOF>> { if (ieof()) yyterminate(); }
413    
414     %%
415    
416     /* C-comment ignoring routine -kre*/
417     static void
418     ccomment(void)
419     {
420     int c = 0;
421    
422     /* log(L_NOTICE, "got comment"); */
423     while (1)
424     {
425     while ((c = input()) != '*' && c != EOF)
426     if (c == '\n')
427     ++lineno;
428    
429     if (c == '*')
430     {
431     while ((c = input()) == '*')
432     /* Nothing */ ;
433     if (c == '/')
434     break;
435     else if (c == '\n')
436     ++lineno;
437     }
438    
439     if (c == EOF)
440     {
441     YY_FATAL_ERROR("EOF in comment");
442     /* XXX hack alert this disables
443     * the stupid unused function warning
444     * gcc generates
445     */
446     if (1 == 0)
447     yy_fatal_error("EOF in comment");
448     break;
449     }
450     }
451     }
452    
453     /* C-style .includes. This function will properly swap input conf buffers,
454     * and lineno -kre */
455     static void
456     cinclude(void)
457     {
458     char *p = NULL;
459    
460     if ((p = strchr(yytext, '<')) == NULL)
461     *strchr(p = strchr(yytext, '"') + 1, '"') = '\0';
462     else
463     *strchr(++p, '>') = '\0';
464    
465     /* log(L_NOTICE, "got include %s!", c); */
466    
467     /* do stacking and co. */
468     if (include_stack_ptr >= MAX_INCLUDE_DEPTH)
469     ilog(L_ERROR, "Includes nested too deep in %s", p);
470     else
471     {
472     FBFILE *tmp_fbfile_in = NULL;
473     char filenamebuf[IRCD_BUFSIZE];
474    
475     if (*p == '/') /* if it is an absolute path */
476     snprintf(filenamebuf, sizeof(filenamebuf), "%s", p);
477     else
478     snprintf(filenamebuf, sizeof(filenamebuf), "%s/%s", ETCPATH, p);
479    
480     tmp_fbfile_in = fbopen(filenamebuf, "r");
481    
482     if (tmp_fbfile_in == NULL)
483     {
484     ilog(L_ERROR, "Unable to read configuration file '%s': %s",
485     filenamebuf, strerror(errno));
486     return;
487     }
488    
489     lineno_stack[include_stack_ptr] = lineno;
490     lineno = 1;
491     inc_fbfile_in[include_stack_ptr] = conf_fbfile_in;
492     strlcpy(conffile_stack[include_stack_ptr], conffilebuf, IRCD_BUFSIZE);
493     include_stack[include_stack_ptr++] = YY_CURRENT_BUFFER;
494     conf_fbfile_in = tmp_fbfile_in;
495     snprintf(conffilebuf, sizeof(conffilebuf), "%s", p);
496     yy_switch_to_buffer(yy_create_buffer(yyin, YY_BUF_SIZE));
497     }
498     }
499    
500     /* This is function that will be called on EOF in conf file. It will
501     * apropriately close conf if it not main conf and swap input buffers -kre
502     * */
503     static int
504     ieof(void)
505     {
506     /* log(L_NOTICE, "return from include stack!"); */
507     if (include_stack_ptr)
508     fbclose(conf_fbfile_in);
509     if (--include_stack_ptr < 0)
510     {
511     /* log(L_NOTICE, "terminating lexer"); */
512     /* We will now exit the lexer - restore init values if we get /rehash
513     * later and reenter lexer -kre */
514     include_stack_ptr = 0;
515     lineno = 1;
516     return 1;
517     }
518    
519     /* switch buffer */
520     /* log(L_NOTICE, "deleting include_stack_ptr=%d", include_stack_ptr); */
521     yy_delete_buffer(YY_CURRENT_BUFFER);
522     lineno = lineno_stack[include_stack_ptr];
523     conf_fbfile_in = inc_fbfile_in[include_stack_ptr];
524     strlcpy(conffilebuf, conffile_stack[include_stack_ptr], sizeof(conffilebuf));
525     yy_switch_to_buffer(include_stack[include_stack_ptr]);
526    
527     return 0;
528     }

Properties

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