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Adds support to severity action and HIGHEST_SEVERITY variable

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This commit is contained in:
Felipe Zimmerle
2015-07-21 01:09:13 -03:00
parent e189055ec3
commit 95c2fed89c
11 changed files with 337 additions and 2 deletions
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7
src/parser/seclang-scanner.ll
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@@ -17,8 +17,8 @@
static yy::location loc;
%}
%option noyywrap nounput batch debug noinput
ACTION (?i:accuracy|allow|append|auditlog|block|capture|chain|ctl|deny|deprecatevar|drop|exec|expirevar|id:[0-9]+|initcol|log|logdata|maturity|msg|multiMatch|noauditlog|nolog|pass|pause|phase:[0-9]+|prepend|proxy|redirect:[A-z0-9_\|\&\:\/\/\.]+|rev|sanitiseArg|sanitiseMatched|sanitiseMatchedBytes|sanitiseRequestHeader|sanitiseResponseHeader|severity|setuid|setrsc|setsid|setenv|setvar|skip|skipAfter|status:[0-9]+|tag|ver|xmlns|t)
ACTION (?i:accuracy|allow|append|auditlog|block|capture|chain|ctl|deny|deprecatevar|drop|exec|expirevar|id:[0-9]+|initcol|log|logdata|maturity|msg|multiMatch|noauditlog|nolog|pass|pause|phase:[0-9]+|prepend|proxy|redirect:[A-z0-9_\|\&\:\/\/\.]+|rev|sanitiseArg|sanitiseMatched|sanitiseMatchedBytes|sanitiseRequestHeader|sanitiseResponseHeader|setuid|setrsc|setsid|setenv|setvar|skip|skipAfter|status:[0-9]+|tag|ver|xmlns|t)
ACTION_SEVERITY (?i:severity:[0-9]+|severity:'[0-9]+'|severity:(EMERGENCY|ALERT|CRITICAL|ERROR|WARNING|NOTICE|INFO|DEBUG)|severity:'(EMERGENCY|ALERT|CRITICAL|ERROR|WARNING|NOTICE|INFO|DEBUG)')
DIRECTIVE SecRule
CONFIG_DIRECTIVE SecRequestBodyLimitAction|SecRequestBodyNoFilesLimit|SecRequestBodyInMemoryLimit|SecRequestBodyLimit|SecPcreMatchLimitRecursion|SecPcreMatchLimit|SecResponseBodyMimeType|SecResponseBodyLimitAction|SecResponseBodyLimit|SecTmpDir|SecDataDir|SecArgumentSeparator|SecCookieFormat|SecStatusEngine
@@ -61,6 +61,7 @@ VARIABLE (?i:FULL_REQUEST|FILES|AUTH_TYPE|ARGS_NAMES|ARGS|QUERY_STRING|
RUN_TIME_VAR_DUR (?i:DURATION)
RUN_TIME_VAR_ENV (?i:ENV)
RUN_TIME_VAR_BLD (?i:MODSEC_BUILD)
RUN_TIME_VAR_HSV (?i:HIGHEST_SEVERITY)
VARIABLENOCOLON (?i:REQBODY_ERROR|MULTIPART_STRICT_ERROR|MULTIPART_UNMATCHED_BOUNDARY|REMOTE_ADDR|REQUEST_LINE)
@@ -116,6 +117,7 @@ FREE_TEXT_NEW_LINE [^\"|\n]+
{RUN_TIME_VAR_DUR} { return yy::seclang_parser::make_RUN_TIME_VAR_DUR(yytext, loc); }
{RUN_TIME_VAR_ENV}:?{DICT_ELEMENT}? { return yy::seclang_parser::make_RUN_TIME_VAR_ENV(yytext, loc); }
{RUN_TIME_VAR_BLD} { return yy::seclang_parser::make_RUN_TIME_VAR_BLD(yytext, loc); }
{RUN_TIME_VAR_HSV} { return yy::seclang_parser::make_RUN_TIME_VAR_HSV(yytext, loc); }
%{ /* Geo DB loopkup */ %}
{CONFIG_DIR_GEO_DB}[ ]{FREE_TEXT_NEW_LINE} { return yy::seclang_parser::make_CONFIG_DIR_GEO_DB(strchr(yytext, ' ') + 1, loc); }
@@ -131,6 +133,7 @@ FREE_TEXT_NEW_LINE [^\"|\n]+
["]{OPERATOR}[ ]{FREE_TEXT}["] { return yy::seclang_parser::make_OPERATOR(yytext, loc); }
["]{OPERATORNOARG}["] { return yy::seclang_parser::make_OPERATOR(yytext, loc); }
{ACTION} { return yy::seclang_parser::make_ACTION(yytext, loc); }
{ACTION_SEVERITY} { return yy::seclang_parser::make_ACTION_SEVERITY(yytext, loc); }
["] { return yy::seclang_parser::make_QUOTATION_MARK(loc); }
[,] { return yy::seclang_parser::make_COMMA(loc); }
[|] { return yy::seclang_parser::make_PIPE(loc); }