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Adds support to the SERVER_NAME variable

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This commit is contained in:
Felipe Zimmerle 2016-06-21 10:51:34 -03:00
parent df1f7c5e08
commit 60be385ebe
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GPG Key ID: E6DFB08CE8B11277
4 changed files with 96 additions and 1 deletions
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1
Makefile.am
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@ -220,3 +220,4 @@ TESTS+=test/test-cases/regression/variable-URLENCODED_ERROR.json
TESTS+=test/test-cases/regression/variable-RULE.json TESTS+=test/test-cases/regression/variable-RULE.json
TESTS+=test/test-cases/regression/variable-STATUS.json TESTS+=test/test-cases/regression/variable-STATUS.json
TESTS+=test/test-cases/regression/variable-RESPONSE_PROTOCOL.json TESTS+=test/test-cases/regression/variable-RESPONSE_PROTOCOL.json
TESTS+=test/test-cases/regression/variable-SERVER_NAME.json

2
src/parser/seclang-scanner.ll
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@ -126,7 +126,7 @@ OPERATOR_GEOIP (?i:@geoLookup)
TRANSFORMATION t:(?i:(parityZero7bit|parityOdd7bit|parityEven7bit|sqlHexDecode|cmdLine|sha1|md5|hexEncode|lowercase|urlDecodeUni|urlDecode|none|compressWhitespace|removeWhitespace|replaceNulls|removeNulls|htmlEntityDecode|jsDecode|cssDecode|trim|normalizePathWin|normalisePathWin|normalisePath|length|utf8toUnicode|urldecode|removeCommentsChar|removeComments|replaceComments)) TRANSFORMATION t:(?i:(parityZero7bit|parityOdd7bit|parityEven7bit|sqlHexDecode|cmdLine|sha1|md5|hexEncode|lowercase|urlDecodeUni|urlDecode|none|compressWhitespace|removeWhitespace|replaceNulls|removeNulls|htmlEntityDecode|jsDecode|cssDecode|trim|normalizePathWin|normalisePathWin|normalisePath|length|utf8toUnicode|urldecode|removeCommentsChar|removeComments|replaceComments))
VARIABLE (?i:(MULTIPART_DATA_AFTER|RESOURCE|ARGS_COMBINED_SIZE|ARGS_GET_NAMES|ARGS_POST_NAMES|FILES_TMPNAMES|FILES_COMBINED_SIZE|FULL_REQUEST_LENGTH|REQUEST_BODY_LENGTH|REQUEST_URI_RAW|UNIQUE_ID|SERVER_PORT|SERVER_ADDR|REMOTE_PORT|REMOTE_HOST|PATH_INFO|MULTIPART_CRLF_LF_LINES|MATCHED_VAR_NAME|MATCHED_VAR|INBOUND_DATA_ERROR|OUTBOUND_DATA_ERROR|FULL_REQUEST|AUTH_TYPE|ARGS_NAMES|REMOTE_ADDR|REQUEST_BASENAME|REQUEST_BODY|REQUEST_FILENAME|REQUEST_HEADERS_NAMES|REQUEST_METHOD|REQUEST_PROTOCOL|REQUEST_URI|RESPONSE_BODY|RESPONSE_CONTENT_LENGTH|RESPONSE_CONTENT_TYPE|RESPONSE_HEADERS_NAMES|RESPONSE_PROTOCOL|RESPONSE_STATUS|USERID|SESSIONID)) VARIABLE (?i:(SERVER_NAME|MULTIPART_DATA_AFTER|RESOURCE|ARGS_COMBINED_SIZE|ARGS_GET_NAMES|ARGS_POST_NAMES|FILES_TMPNAMES|FILES_COMBINED_SIZE|FULL_REQUEST_LENGTH|REQUEST_BODY_LENGTH|REQUEST_URI_RAW|UNIQUE_ID|SERVER_PORT|SERVER_ADDR|REMOTE_PORT|REMOTE_HOST|PATH_INFO|MULTIPART_CRLF_LF_LINES|MATCHED_VAR_NAME|MATCHED_VAR|INBOUND_DATA_ERROR|OUTBOUND_DATA_ERROR|FULL_REQUEST|AUTH_TYPE|ARGS_NAMES|REMOTE_ADDR|REQUEST_BASENAME|REQUEST_BODY|REQUEST_FILENAME|REQUEST_HEADERS_NAMES|REQUEST_METHOD|REQUEST_PROTOCOL|REQUEST_URI|RESPONSE_BODY|RESPONSE_CONTENT_LENGTH|RESPONSE_CONTENT_TYPE|RESPONSE_HEADERS_NAMES|RESPONSE_PROTOCOL|RESPONSE_STATUS|USERID|SESSIONID))
VARIABLE_COL (?i:(SESSION|GLOBAL|ARGS_POST|ARGS_GET|ARGS|FILES_SIZES|FILES_NAMES|FILES_TMP_CONTENT|MULTIPART_FILENAME|MULTIPART_NAME|MATCHED_VARS_NAMES|MATCHED_VARS|FILES|QUERY_STRING|REQUEST_COOKIES|REQUEST_HEADERS|RESPONSE_HEADERS|GEO|IP|REQUEST_COOKIES_NAMES)) VARIABLE_COL (?i:(SESSION|GLOBAL|ARGS_POST|ARGS_GET|ARGS|FILES_SIZES|FILES_NAMES|FILES_TMP_CONTENT|MULTIPART_FILENAME|MULTIPART_NAME|MATCHED_VARS_NAMES|MATCHED_VARS|FILES|QUERY_STRING|REQUEST_COOKIES|REQUEST_HEADERS|RESPONSE_HEADERS|GEO|IP|REQUEST_COOKIES_NAMES))
VARIABLE_STATUS (?i:(STATUS[^:])) VARIABLE_STATUS (?i:(STATUS[^:]))

5
src/transaction.cc
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@ -522,6 +522,11 @@ int Transaction::addRequestHeader(const std::string& key,
m_collections.store("REQBODY_PROCESSOR", "URLENCODED"); m_collections.store("REQBODY_PROCESSOR", "URLENCODED");
} }
} }
if (keyl == "host") {
std::vector<std::string> host = split(value, ':');
m_collections.store("SERVER_NAME", host[0]);
}
return 1; return 1;
} }

89
test/test-cases/regression/variable-SERVER_NAME.json Normal file
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@ -0,0 +1,89 @@
[
{
"enabled":1,
"version_min":300000,
"title":"Testing Variables :: SERVER_NAME (1/2)",
"client":{
"ip":"200.249.12.31",
"port":123
},
"server":{
"ip":"200.249.12.31",
"port":80
},
"request":{
"headers":{
"Host":"localhost",
"User-Agent":"curl/7.38.0",
"Accept":"*/*"
},
"uri":"/?key=value&key=other_value",
"method":"GET",
"http_version":1.1
},
"response":{
"protocol": "HTTP/1.1",
"headers":{
"Date":"Mon, 13 Jul 2015 20:02:41 GMT",
"Last-Modified":"Sun, 26 Oct 2014 22:33:37 GMT",
"Content-Type":"text/html"
},
"body":[
"no need."
]
},
"expected":{
"debug_log":"Target value: \"localhost\" \\(Variable: SERVER_NAME\\)"
},
"rules":[
"SecRuleEngine On",
"SecDebugLog \/tmp\/modsec_debug.log",
"SecDebugLogLevel 9",
"SecRule SERVER_NAME \"^HTTP\" \"id:1,phase:5,pass,t:trim\""
]
},
{
"enabled":1,
"version_min":300000,
"title":"Testing Variables :: SERVER_NAME (2/2)",
"client":{
"ip":"200.249.12.31",
"port":123
},
"server":{
"ip":"200.249.12.31",
"port":80
},
"request":{
"headers":{
"Host":"www.zimmerle.org:4443",
"User-Agent":"curl/7.38.0",
"Accept":"*/*"
},
"uri":"/?key=value&key=other_value",
"method":"GET",
"http_version":1.1
},
"response":{
"protocol": "HTTP/1.1",
"headers":{
"Date":"Mon, 13 Jul 2015 20:02:41 GMT",
"Last-Modified":"Sun, 26 Oct 2014 22:33:37 GMT",
"Content-Type":"text/html"
},
"body":[
"no need."
]
},
"expected":{
"debug_log":"Target value: \"www.zimmerle.org\" \\(Variable: SERVER_NAME\\)"
},
"rules":[
"SecRuleEngine On",
"SecDebugLog \/tmp\/modsec_debug.log",
"SecDebugLogLevel 9",
"SecRule SERVER_NAME \"^HTTP\" \"id:1,phase:5,pass,t:trim\""
]
}
]