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/* |
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* Copyright (c) 2002 Erik Fears |
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* Copyright (c) 2014-2020 ircd-hybrid development team |
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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 |
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* USA |
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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 noinput |
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%option nounput |
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%option never-interactive |
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|
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%x IN_COMMENT |
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|
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%{ |
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#include <stdio.h> |
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#include <string.h> |
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|
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#include "compat.h" |
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#include "config.h" |
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#include "config-parser.h" /* autogenerated header file */ |
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#include "log.h" |
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|
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/* libopm includes */ |
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#include "libopm/src/opm_types.h" |
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|
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#undef YY_FATAL_ERROR |
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#define YY_FATAL_ERROR(msg) conf_yy_fatal_error(msg) |
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|
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#undef YY_INPUT |
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#define YY_INPUT(buf,result,max_size) \ |
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if (!(result = conf_yy_input(buf, max_size))) \ |
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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[512]; |
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char conffilebuf[512]; |
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|
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static struct included_file |
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{ |
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YY_BUFFER_STATE state; |
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unsigned int lineno; |
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FILE *file; |
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char conffile[512]; |
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} include_stack[MAX_INCLUDE_DEPTH]; |
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|
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static unsigned int include_stack_ptr; |
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|
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|
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static void conf_include(void); |
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static int conf_eof(void); |
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|
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static int |
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conf_yy_input(char *lbuf, unsigned int max_size) |
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{ |
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return fgets(lbuf, max_size, conf_file) == NULL ? 0 : strlen(lbuf); |
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} |
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|
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static int |
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conf_yy_fatal_error(const char *msg) |
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{ |
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return 0; |
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} |
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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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|
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"/*" { BEGIN IN_COMMENT; } |
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<IN_COMMENT>"*/" { BEGIN INITIAL; } |
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<IN_COMMENT>. ; /* Eat everything but a newline */ |
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<IN_COMMENT>\n { ++lineno; } |
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<IN_COMMENT><<EOF>> { BEGIN INITIAL; if (conf_eof()) yyterminate(); } |
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|
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{include} { conf_include(); } |
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\n.* { strlcpy(linebuf, yytext + 1, sizeof(linebuf)); ++lineno; yyless(1); } |
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{WS} ; |
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{COMMENT} ; |
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{DIGIT} { yylval.number = atoi(yytext); return NUMBER; } |
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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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|
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if (yylval.string[yyleng - 2] != '"') |
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log_printf("CONFIG ->Unterminated character string"); |
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else |
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{ |
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unsigned int i = 0, j = 0; |
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|
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yylval.string[yyleng - 2] = '\0'; /* Remove close quote */ |
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|
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for (; yylval.string[i] != '\0'; ++i, ++j) |
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{ |
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if (yylval.string[i] != '\\') |
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yylval.string[j] = yylval.string[i]; |
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else |
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{ |
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++i; |
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|
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if (yylval.string[i] == '\0') /* XXX: should not happen */ |
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{ |
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log_printf("CONFIG -> Unterminated character string"); |
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break; |
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} |
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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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|
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yylval.string[j] = '\0'; |
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return STRING; |
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} |
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} |
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} |
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|
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ADDRESS_FAMILY { return ADDRESS_FAMILY; } |
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AWAY { return AWAY; } |
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BAN_UNKNOWN { return BAN_UNKNOWN; } |
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BLACKLIST { return BLACKLIST; } |
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CHANNEL { return CHANNEL; } |
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COMMAND_INTERVAL { return COMMAND_INTERVAL; } |
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COMMAND_QUEUE_SIZE { return COMMAND_QUEUE_SIZE; } |
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COMMAND_TIMEOUT { return COMMAND_TIMEOUT; } |
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CONNREGEX { return CONNREGEX; } |
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DNS_FDLIMIT { return DNS_FDLIMIT; } |
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DNS_TIMEOUT { return DNS_TIMEOUT; } |
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DNSBL_FROM { return DNSBL_FROM; } |
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DNSBL_TO { return DNSBL_TO; } |
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EXEMPT { return EXEMPT; } |
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FD { return FD; } |
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INVITE { return INVITE; } |
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IPV4 { return IPV4; } |
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IPV6 { return IPV6; } |
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IRC { return IRC; } |
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KLINE { return KLINE; } |
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KEY { return KEY; } |
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MASK { return MASK; } |
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MAX_READ { return MAX_READ; } |
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MODE { return MODE; } |
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NAME { return NAME; } |
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NEGCACHE { return NEGCACHE; } |
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NEGCACHE_REBUILD { return NEGCACHE_REBUILD; } |
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NICK { return NICK; } |
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NICKSERV { return NICKSERV; } |
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NOTICE { return NOTICE; } |
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OPER { return OPER; } |
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OPM { return OPM; } |
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OPTIONS { return OPTIONS; } |
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PASSWORD { return PASSWORD; } |
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PERFORM { return PERFORM; } |
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PIDFILE { return PIDFILE; } |
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PORT { return PORT; } |
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PROTOCOL { return PROTOCOL; } |
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READTIMEOUT { return READTIMEOUT; } |
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REALNAME { return REALNAME; } |
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RECONNECTINTERVAL { return RECONNECTINTERVAL; } |
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REPLY { return REPLY; } |
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SCANLOG { return SCANLOG; } |
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SCANNER { return SCANNER; } |
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SENDMAIL { return SENDMAIL; } |
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SERVER { return SERVER; } |
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TARGET_IP { return TARGET_IP; } |
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TARGET_PORT { return TARGET_PORT; } |
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TARGET_STRING { return TARGET_STRING;} |
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TIMEOUT { return TIMEOUT; } |
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TLS { return TLS; } |
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TYPE { return TYPE; } |
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USER { return USER; } |
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USERNAME { return USERNAME; } |
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VHOST { return VHOST; } |
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|
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years { return YEARS; } |
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year { return YEARS; } |
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months { return MONTHS; } |
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month { return MONTHS; } |
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weeks { return WEEKS; } |
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week { return WEEKS; } |
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days { return DAYS; } |
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day { return DAYS; } |
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hours { return HOURS; } |
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hour { return HOURS; } |
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minutes { return MINUTES; } |
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minute { return MINUTES; } |
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seconds { return SECONDS; } |
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second { return SECONDS; } |
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|
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bytes { return BYTES; } |
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byte { return BYTES; } |
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kilobytes { return KBYTES; } |
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kilobyte { return KBYTES; } |
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kbytes { return KBYTES; } |
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kbyte { return KBYTES; } |
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kb { return KBYTES; } |
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megabytes { return MBYTES; } |
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megabyte { return MBYTES; } |
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mbytes { return MBYTES; } |
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mbyte { return MBYTES; } |
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mb { return MBYTES; } |
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|
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HTTP { |
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yylval.number = OPM_TYPE_HTTP; |
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return PROTOCOLTYPE; |
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} |
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|
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HTTPPOST { |
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yylval.number = OPM_TYPE_HTTPPOST; |
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return PROTOCOLTYPE; |
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} |
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|
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HTTPS { |
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yylval.number = OPM_TYPE_HTTPS; |
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return PROTOCOLTYPE; |
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} |
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|
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HTTPSPOST { |
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yylval.number = OPM_TYPE_HTTPSPOST; |
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return PROTOCOLTYPE; |
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} |
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|
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SOCKS4 { |
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yylval.number = OPM_TYPE_SOCKS4; |
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return PROTOCOLTYPE; |
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} |
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|
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SOCKS5 { |
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yylval.number = OPM_TYPE_SOCKS5; |
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return PROTOCOLTYPE; |
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} |
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|
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WINGATE { |
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yylval.number = OPM_TYPE_WINGATE; |
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return PROTOCOLTYPE; |
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} |
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|
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ROUTER { |
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yylval.number = OPM_TYPE_ROUTER; |
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return PROTOCOLTYPE; |
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} |
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|
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DREAMBOX { |
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yylval.number = OPM_TYPE_DREAMBOX; |
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return PROTOCOLTYPE; |
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} |
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|
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|
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SSH { |
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yylval.number = OPM_TYPE_SSH; |
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return PROTOCOLTYPE; |
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} |
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|
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TRUE { |
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yylval.number=1; |
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return NUMBER; |
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} |
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YES { |
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yylval.number=1; |
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return NUMBER; |
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} |
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ON { |
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yylval.number=1; |
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return NUMBER; |
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} |
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|
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|
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|
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FALSE { |
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yylval.number=0; |
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return NUMBER; |
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} |
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|
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NO { |
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yylval.number=0; |
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return NUMBER; |
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} |
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|
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OFF { |
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yylval.number=0; |
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return NUMBER; |
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} |
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|
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. { return yytext[0]; } |
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<<EOF>> { if (conf_eof()) yyterminate(); } |
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|
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%% |
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|
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static void |
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conf_include(void) |
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{ |
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char *p = NULL; |
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char filenamebuf[512]; |
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|
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if ((p = strchr(yytext, '<')) == NULL) |
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*strchr(p = strchr(yytext, '"') + 1, '"') = '\0'; |
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else |
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*strchr(++p, '>') = '\0'; |
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|
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/* do stacking and co. */ |
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if (include_stack_ptr >= MAX_INCLUDE_DEPTH) |
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{ |
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log_printf("CONFIG -> Includes nested too deep in %s", p); |
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return; |
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} |
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|
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if (*p == '/') /* if it is an absolute path */ |
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snprintf(filenamebuf, sizeof(filenamebuf), "%s", p); |
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else |
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snprintf(filenamebuf, sizeof(filenamebuf), "%s/%s", HOPM_ETCDIR, p); |
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|
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FILE *tmp_fbfile_in = fopen(filenamebuf, "r"); |
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if (!tmp_fbfile_in) |
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{ |
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log_printf("CONFIG -> Unable to read configuration file '%s': %s", |
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filenamebuf, strerror(errno)); |
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return; |
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} |
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|
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struct included_file *file = &include_stack[include_stack_ptr++]; |
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file->lineno = lineno; |
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file->file = conf_file; |
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file->state = YY_CURRENT_BUFFER; |
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strlcpy(file->conffile, conffilebuf, sizeof(file->conffile)); |
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|
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lineno = 1; |
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conf_file = tmp_fbfile_in; |
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strlcpy(conffilebuf, filenamebuf, sizeof(conffilebuf)); |
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|
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yy_switch_to_buffer(yy_create_buffer(NULL, YY_BUF_SIZE)); |
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} |
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|
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static int |
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conf_eof(void) |
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{ |
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if (include_stack_ptr == 0) |
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return 1; |
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|
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/* switch buffer */ |
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struct included_file *file = &include_stack[--include_stack_ptr]; |
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|
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/* close current file */ |
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fclose(conf_file); |
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|
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/* switch buffers */ |
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yy_delete_buffer(YY_CURRENT_BUFFER); |
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yy_switch_to_buffer(file->state); |
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|
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/* switch lineno */ |
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lineno = file->lineno; |
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|
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/* switch file */ |
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conf_file = file->file; |
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|
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strlcpy(conffilebuf, file->conffile, sizeof(conffilebuf)); |
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return 0; |
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} |
