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/* |
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* ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd). |
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* ircd_lexer.l: Scans the ircd configuration file for tokens. |
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* |
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* Copyright (C) 2002 by the past and present ircd coders, and others. |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
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* USA |
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* |
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* $Id$ |
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*/ |
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|
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%option case-insensitive |
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%option noyywrap |
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%option nounput |
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%option never-interactive |
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|
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%{ |
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#include "stdinc.h" |
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#include "irc_string.h" |
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#include "common.h" |
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#include "s_conf.h" |
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#include "memory.h" |
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#include "hostmask.h" |
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#include "s_log.h" |
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|
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#include "ircd_parser.h" |
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|
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#undef YY_INPUT |
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#define YY_FATAL_ERROR(msg) conf_yy_fatal_error(msg) |
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#define YY_INPUT(buf,result,max_size) \ |
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if (!(result = conf_fbgets(buf, max_size, conf_parser_ctx.conf_file))) \ |
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YY_FATAL_ERROR("input in flex scanner failed"); |
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#define MAX_INCLUDE_DEPTH 10 |
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|
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|
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unsigned int lineno = 1; |
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char linebuf[IRCD_BUFSIZE]; |
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char conffilebuf[IRCD_BUFSIZE]; |
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|
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static int include_stack_ptr = 0; |
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static YY_BUFFER_STATE include_stack[MAX_INCLUDE_DEPTH]; |
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static unsigned int lineno_stack[MAX_INCLUDE_DEPTH]; |
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static FBFILE *inc_fbfile_in[MAX_INCLUDE_DEPTH]; |
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static char conffile_stack[MAX_INCLUDE_DEPTH][IRCD_BUFSIZE]; |
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static void ccomment(void); |
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static void cinclude(void); |
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static int ieof(void); |
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%} |
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|
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WS [[:blank:]]* |
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DIGIT [[:digit:]]+ |
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COMMENT ("//"|"#").* |
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qstring \"[^\"\n]*[\"\n] |
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include \.include{WS}(\<.*\>|\".*\") |
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|
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%% |
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{include} { cinclude(); } |
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"/*" { ccomment(); } |
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|
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\n.* { strcpy(linebuf, yytext+1); ++lineno; yyless(1); } |
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|
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{WS} ; |
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{COMMENT} ; |
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|
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{DIGIT} { yylval.number = atoi(yytext); return NUMBER; } |
79 |
|
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{qstring} { if (yytext[yyleng-2] == '\\') |
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{ |
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yyless(yyleng-1); /* return last quote */ |
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yymore(); /* append next string */ |
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} |
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else |
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{ |
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yylval.string = yytext+1; |
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if(yylval.string[yyleng-2] != '"') |
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ilog(L_ERROR, "Unterminated character string"); |
90 |
else |
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{ |
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int i,j; |
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|
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yylval.string[yyleng-2] = '\0'; /* remove close |
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* quote |
96 |
*/ |
97 |
|
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for (j=i=0 ;yylval.string[i] != '\0'; i++,j++) |
99 |
{ |
100 |
if (yylval.string[i] != '\\') |
101 |
{ |
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yylval.string[j] = yylval.string[i]; |
103 |
} |
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else |
105 |
{ |
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i++; |
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if (yylval.string[i] == '\0') /* XXX |
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* should not |
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* happen |
110 |
*/ |
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{ |
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ilog(L_ERROR, |
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"Unterminated character string"); |
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break; |
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} |
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yylval.string[j] = yylval.string[i]; |
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} |
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} |
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yylval.string[j] = '\0'; |
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return QSTRING; |
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} |
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} |
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} |
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|
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~ { return NOT; } |
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accept_password { return ACCEPT_PASSWORD; } |
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action { return ACTION; } |
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admin { return ADMIN; } |
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administrator { return ADMIN; } |
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aftype { return AFTYPE; } |
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all { return T_ALL; } |
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allow { return T_ALLOW; } |
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auth { return IRCD_AUTH; } |
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autoconn { return AUTOCONN; } |
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block { return T_BLOCK; } |
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burst_away { return BURST_AWAY; } |
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burst_topicwho { return BURST_TOPICWHO; } |
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can_flood { return CAN_FLOOD; } |
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can_idle { return CAN_IDLE; } |
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caller_id_wait { return CALLER_ID_WAIT; } |
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opers_bypass_callerid { return OPERS_BYPASS_CALLERID; } |
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channel { return CHANNEL; } |
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cidr_bitlen_ipv4 { return CIDR_BITLEN_IPV4; } |
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cidr_bitlen_ipv6 { return CIDR_BITLEN_IPV6; } |
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cipher_preference { return CIPHER_PREFERENCE; } |
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class { return CLASS; } |
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client_flood { return T_CLIENT_FLOOD; } |
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cluster { return T_CLUSTER; } |
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compressed { return COMPRESSED; } |
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compression_level { return COMPRESSION_LEVEL; } |
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connect { return CONNECT; } |
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connectfreq { return CONNECTFREQ; } |
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cryptlink { return CRYPTLINK; } |
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default_cipher_preference { return DEFAULT_CIPHER_PREFERENCE; } |
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default_floodcount { return DEFAULT_FLOODCOUNT; } |
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default_split_server_count { return DEFAULT_SPLIT_SERVER_COUNT; } |
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default_split_user_count { return DEFAULT_SPLIT_USER_COUNT; } |
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deny { return DENY; } |
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description { return DESCRIPTION; } |
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die { return DIE; } |
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disable_auth { return DISABLE_AUTH; } |
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disable_fake_channels { return DISABLE_FAKE_CHANNELS; } |
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disable_hidden { return DISABLE_HIDDEN; } |
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disable_local_channels { return DISABLE_LOCAL_CHANNELS; } |
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disable_remote_commands { return DISABLE_REMOTE_COMMANDS; } |
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dots_in_ident { return DOTS_IN_IDENT; } |
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duration { return DURATION; } |
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egdpool_path { return EGDPOOL_PATH; } |
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email { return EMAIL; } |
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enable { return ENABLE; } |
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encrypted { return ENCRYPTED; } |
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exceed_limit { return EXCEED_LIMIT; } |
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exempt { return EXEMPT; } |
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flags { return IRCD_FLAGS; } |
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flatten_links { return FLATTEN_LINKS; } |
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fglinelog { return FGLINELOG; } |
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fname_glinelog { return FGLINELOG; } |
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fkilllog { return FKILLLOG; } |
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fioerrlog { return FIOERRLOG; } |
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fname_ioerrlog { return FIOERRLOG; } |
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fname_killlog { return FKILLLOG; } |
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fklinelog { return FKLINELOG; } |
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fname_klinelog { return FKLINELOG; } |
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ffailed_operlog { return FFAILED_OPERLOG; } |
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fname_operlog { return FOPERLOG; } |
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foperlog { return FOPERLOG; } |
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fname_userlog { return FUSERLOG; } |
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fuserlog { return FUSERLOG; } |
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gecos { return GECOS; } |
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general { return GENERAL; } |
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gline { return GLINE; } |
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glines { return GLINES; } |
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gline_exempt { return GLINE_EXEMPT; } |
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gline_min_cidr { return GLINE_MIN_CIDR; } |
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gline_min_cidr6 { return GLINE_MIN_CIDR6; } |
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global_kill { return GLOBAL_KILL; } |
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have_ident { return NEED_IDENT; } |
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need_ident { return NEED_IDENT; } |
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havent_read_conf { return HAVENT_READ_CONF; } |
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hidden { return HIDDEN; } |
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hidden_admin { return HIDDEN_ADMIN; } |
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hidden_name { return HIDDEN_NAME; } |
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hidden_oper { return HIDDEN_OPER; } |
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hide_server_ips { return HIDE_SERVER_IPS; } |
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hide_servers { return HIDE_SERVERS; } |
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hide_spoof_ips { return HIDE_SPOOF_IPS; } |
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host { return HOST; } |
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hub { return HUB; } |
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hub_mask { return HUB_MASK; } |
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idletime { return IDLETIME; } |
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ignore_bogus_ts { return IGNORE_BOGUS_TS; } |
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invisible_on_connect { return INVISIBLE_ON_CONNECT; } |
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ip { return IP; } |
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ipv4 { return T_IPV4; } |
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ipv6 { return T_IPV6; } |
216 |
join_flood_count { return JOIN_FLOOD_COUNT; } |
217 |
join_flood_time { return JOIN_FLOOD_TIME; } |
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kill { return KILL; } |
219 |
kill_chase_time_limit { return KILL_CHASE_TIME_LIMIT; } |
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kline { return KLINE; } |
221 |
kline_exempt { return KLINE_EXEMPT; } |
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l_crit { return T_L_CRIT; } |
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l_debug { return T_L_DEBUG; } |
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l_error { return T_L_ERROR; } |
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l_info { return T_L_INFO; } |
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l_notice { return T_L_NOTICE; } |
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l_trace { return T_L_TRACE; } |
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l_warn { return T_L_WARN; } |
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leaf_mask { return LEAF_MASK; } |
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listen { return LISTEN; } |
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log_level { return LOG_LEVEL; } |
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log { return LOGGING; } |
233 |
logging { return LOGGING; } |
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logpath { return T_LOGPATH; } |
235 |
masked { return TMASKED; } |
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max_clients { return T_MAX_CLIENTS; } |
237 |
max_ident { return MAX_IDENT; } |
238 |
max_local { return MAX_LOCAL; } |
239 |
max_global { return MAX_GLOBAL; } |
240 |
max_number { return MAX_NUMBER; } |
241 |
max_watch { return MAX_WATCH; } |
242 |
message_locale { return MESSAGE_LOCALE; } |
243 |
min_nonwildcard { return MIN_NONWILDCARD; } |
244 |
min_nonwildcard_simple { return MIN_NONWILDCARD_SIMPLE; } |
245 |
name { return NAME; } |
246 |
need_password { return NEED_PASSWORD; } |
247 |
network_desc { return NETWORK_DESC; } |
248 |
network_name { return NETWORK_NAME; } |
249 |
nick { return NICK; } |
250 |
nick_changes { return NICK_CHANGES; } |
251 |
no { yylval.number = NO; return TBOOL; } |
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 |
number_per_cidr { return NUMBER_PER_CIDR; } |
257 |
number_per_ip { return NUMBER_PER_IP; } |
258 |
oper { return OPERATOR; } |
259 |
oper_log { return OPER_LOG; } |
260 |
oper_pass_resv { return OPER_PASS_RESV; } |
261 |
operator { return OPERATOR; } |
262 |
passwd { return PASSWORD; } |
263 |
password { return PASSWORD; } |
264 |
ping_cookie { return PING_COOKIE; } |
265 |
ping_time { return PING_TIME; } |
266 |
ping_warning { return PING_WARNING; } |
267 |
port { return PORT; } |
268 |
quarantine { return RESV; } |
269 |
quiet_on_ban { return QUIET_ON_BAN; } |
270 |
reason { return REASON; } |
271 |
redirport { return REDIRPORT; } |
272 |
redirserv { return REDIRSERV; } |
273 |
regex { return REGEX_T; } |
274 |
rehash { return REHASH; } |
275 |
reject { return T_REJECT; } |
276 |
reject_hold_time { return TREJECT_HOLD_TIME; } |
277 |
remote { return REMOTE; } |
278 |
remoteban { return REMOTEBAN; } |
279 |
restrict_channels { return RESTRICT_CHANNELS; } |
280 |
resv { return RESV; } |
281 |
resv_exempt { return RESV_EXEMPT; } |
282 |
rsa_private_key_file { return RSA_PRIVATE_KEY_FILE; } |
283 |
rsa_public_key_file { return RSA_PUBLIC_KEY_FILE; } |
284 |
ssl { return T_SSL; } |
285 |
ssl_certificate_file { return SSL_CERTIFICATE_FILE; } |
286 |
ssl_server_protocol { return T_SSL_CONNECTION_METHOD; } |
287 |
sslv3 { return T_SSLV3; } |
288 |
tlsv1 { return T_TLSV1; } |
289 |
send_password { return SEND_PASSWORD; } |
290 |
sendq { return SENDQ; } |
291 |
server { return T_SERVER; } |
292 |
serverhide { return SERVERHIDE; } |
293 |
serverinfo { return SERVERINFO; } |
294 |
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 |
umodes { return T_UMODES; } |
305 |
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 |
yes { yylval.number = YES; return TBOOL; } |
322 |
|
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 |
stats_e_disabled { return STATS_E_DISABLED; } |
338 |
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 |
cconn_full { return T_CCONN_FULL; } |
360 |
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 |
inc_fbfile_in[include_stack_ptr] = conf_parser_ctx.conf_file; |
495 |
strlcpy(conffile_stack[include_stack_ptr], conffilebuf, IRCD_BUFSIZE); |
496 |
include_stack[include_stack_ptr++] = YY_CURRENT_BUFFER; |
497 |
conf_parser_ctx.conf_file = tmp_fbfile_in; |
498 |
snprintf(conffilebuf, sizeof(conffilebuf), "%s", filenamebuf); |
499 |
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 |
fbclose(conf_parser_ctx.conf_file); |
512 |
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 |
conf_parser_ctx.conf_file = inc_fbfile_in[include_stack_ptr]; |
527 |
strlcpy(conffilebuf, conffile_stack[include_stack_ptr], sizeof(conffilebuf)); |
528 |
yy_switch_to_buffer(include_stack[include_stack_ptr]); |
529 |
|
530 |
return 0; |
531 |
} |