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Support configurable limit on number of arguments processed

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This commit is contained in:
martinhsv
2020-01-08 15:48:19 -08:00
committed by Felipe Zimmerle
parent 4e9ba44d03
commit f57265a3e2
10 changed files with 6757 additions and 6605 deletions
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4650
src/parser/seclang-parser.cc
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855
src/parser/seclang-parser.hh
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6
src/parser/seclang-parser.yy
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@@ -601,6 +601,7 @@ using namespace modsecurity::operators;
CONFIG_SEC_CONN_R_STATE_LIMIT "CONFIG_SEC_CONN_R_STATE_LIMIT"
CONFIG_SEC_CONN_W_STATE_LIMIT "CONFIG_SEC_CONN_W_STATE_LIMIT"
CONFIG_SEC_SENSOR_ID "CONFIG_SEC_SENSOR_ID"
CONFIG_DIR_ARGS_LIMIT "CONFIG_DIR_ARGS_LIMIT"
CONFIG_DIR_REQ_BODY "CONFIG_DIR_REQ_BODY"
CONFIG_DIR_REQ_BODY_IN_MEMORY_LIMIT "CONFIG_DIR_REQ_BODY_IN_MEMORY_LIMIT"
CONFIG_DIR_REQ_BODY_LIMIT "CONFIG_DIR_REQ_BODY_LIMIT"
@@ -1553,6 +1554,11 @@ expression:
YYERROR;
#endif // WITH_GEOIP
}
| CONFIG_DIR_ARGS_LIMIT
{
driver.m_argumentsLimit.m_set = true;
driver.m_argumentsLimit.m_value = atoi($1.c_str());
}
/* Body limits */
| CONFIG_DIR_REQ_BODY_LIMIT
{

7745
src/parser/seclang-scanner.cc
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5
src/parser/seclang-scanner.ll
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@@ -359,6 +359,7 @@ CONFIG_SEC_STREAM_IN_BODY_INSPECTION (?i:SecStreamInBodyInspection)
CONFIG_SEC_STREAM_OUT_BODY_INSPECTION (?i:SecStreamOutBodyInspection)
CONFIG_DIR_PCRE_MATCH_LIMIT (?i:SecPcreMatchLimit)
CONFIG_DIR_PCRE_MATCH_LIMIT_RECURSION (?i:SecPcreMatchLimitRecursion)
CONFIG_DIR_ARGS_LIMIT (?i:SecArgumentsLimit)
CONFIG_DIR_REQ_BODY (?i:SecRequestBodyAccess)
CONFIG_DIR_REQ_BODY_IN_MEMORY_LIMIT (?i:SecRequestBodyInMemoryLimit)
CONFIG_DIR_REQ_BODY_LIMIT (?i:SecRequestBodyLimit)
@@ -758,13 +759,17 @@ EQUALS_MINUS (?i:=\-)
{CONFIG_DIR_AUDIT_STS}[ \t]+{FREE_TEXT_NEW_LINE} { return p::make_CONFIG_DIR_AUDIT_STS(parserSanitizer(strchr(yytext, ' ') + 1), *driver.loc.back()); }
{CONFIG_DIR_AUDIT_STS}[ \t]+["]{NEW_LINE_FREE_TEXT}["] { return p::make_CONFIG_DIR_AUDIT_STS(parserSanitizer(strchr(yytext, ' ') + 1), *driver.loc.back()); }
{CONFIG_DIR_AUDIT_TPE} { return p::make_CONFIG_DIR_AUDIT_TPE(yytext, *driver.loc.back()); }
{CONFIG_DIR_DEBUG_LOG}[ \t]+{CONFIG_VALUE_PATH} { return p::make_CONFIG_DIR_DEBUG_LOG(strchr(yytext, ' ') + 1, *driver.loc.back()); }
{CONFIG_DIR_DEBUG_LOG}[ \t]+["]{CONFIG_VALUE_PATH}["] { return p::make_CONFIG_DIR_DEBUG_LOG(parserSanitizer(strchr(yytext, ' ') + 1), *driver.loc.back()); }
{CONFIG_DIR_DEBUG_LVL}[ \t]+{CONFIG_VALUE_NUMBER} { return p::make_CONFIG_DIR_DEBUG_LVL(strchr(yytext, ' ') + 1, *driver.loc.back()); }
{CONFIG_DIR_GEO_DB}[ \t]+{FREE_TEXT_NEW_LINE} { return p::make_CONFIG_DIR_GEO_DB(strchr(yytext, ' ') + 1, *driver.loc.back()); }
{CONFIG_DIR_PCRE_MATCH_LIMIT_RECURSION}[ \t]+{CONFIG_VALUE_NUMBER} { return p::make_CONFIG_DIR_PCRE_MATCH_LIMIT_RECURSION(strchr(yytext, ' ') + 1, *driver.loc.back()); }
{CONFIG_DIR_PCRE_MATCH_LIMIT}[ \t]+{CONFIG_VALUE_NUMBER} { return p::make_CONFIG_DIR_PCRE_MATCH_LIMIT(strchr(yytext, ' ') + 1, *driver.loc.back()); }
{CONFIG_DIR_ARGS_LIMIT}[ \t]+{CONFIG_VALUE_NUMBER} { return p::make_CONFIG_DIR_ARGS_LIMIT(strchr(yytext, ' ') + 1, *driver.loc.back()); }
{CONFIG_DIR_REQ_BODY_IN_MEMORY_LIMIT}[ \t]+{CONFIG_VALUE_NUMBER} { return p::make_CONFIG_DIR_REQ_BODY_IN_MEMORY_LIMIT(strchr(yytext, ' ') + 1, *driver.loc.back()); }
{CONFIG_DIR_REQ_BODY_LIMIT_ACTION} { return p::make_CONFIG_DIR_REQ_BODY_LIMIT_ACTION(yytext, *driver.loc.back()); }
{CONFIG_DIR_REQ_BODY_LIMIT}[ \t]+{CONFIG_VALUE_NUMBER} { return p::make_CONFIG_DIR_REQ_BODY_LIMIT(strchr(yytext, ' ') + 1, *driver.loc.back()); }
{CONFIG_DIR_REQ_BODY_NO_FILES_LIMIT}[ \t]+{CONFIG_VALUE_NUMBER} { return p::make_CONFIG_DIR_REQ_BODY_NO_FILES_LIMIT(strchr(yytext, ' ') + 1, *driver.loc.back()); }