Fix compilation when YAJL is not present

.travis.yml

@@ -1,25 +1,27 @@
 dist: trusty
-sudo: required
+sudo: false
+
+addons:
+  apt:
+    packages:
+    - libyajl-dev
+    - libgeoip-dev
+    - liblmdb-dev
 
 language: cpp
 
 compiler:
-#  - clang
+  - clang
   - gcc
 
-#before_script:
-#  - wget http://ftp.gnu.org/gnu/bison/bison-3.0.4.tar.gz
-#  - tar -xvzf bison-3.0.4.tar.gz
-#  - cd bison-3.0.4
-# - ./configure
-#  - make
-#  - make install
+env:
+  - OPTS="--enable-parser-generation"
+  - OPTS="--without-curl"
 
 
-# Build steps
 script:
   - ./build.sh
-  - ./configure --enable-parser-generation
+  - ./configure $OPTS
   - make
   - make check
 

src/request_body_processor/json.cc

@@ -13,6 +13,9 @@
  *
  */
 
+
+#ifdef WITH_YAJL
+
 #include "src/request_body_processor/json.h"
 
 #include <list>
@@ -273,3 +276,7 @@ JSON::~JSON() {
 
 }  // namespace RequestBodyProcessor
 }  // namespace modsecurity
+
+
+#endif  // WITH_YAJL
+

src/request_body_processor/json.h

@@ -14,6 +14,8 @@
  */
 
 
+#ifdef WITH_YAJL
+
 #include <yajl/yajl_parse.h>
 
 #include <string>
@@ -82,3 +84,5 @@ class JSON {
 
 
 #endif  // SRC_REQUEST_BODY_PROCESSOR_JSON_H_
+
+#endif  // WITH_YAJL

src/transaction.cc

@@ -38,7 +38,9 @@
 #include "modsecurity/modsecurity.h"
 #include "src/request_body_processor/multipart.h"
 #include "src/request_body_processor/xml.h"
+#ifdef WITH_YAJL
 #include "src/request_body_processor/json.h"
+#endif
 #include "modsecurity/audit_log.h"
 #include "src/unique_id.h"
 #include "src/utils/string.h"
@@ -122,7 +124,11 @@ Transaction::Transaction(ModSecurity *ms, Rules *rules, void *logCbData)
     m_collections(ms->m_global_collection, ms->m_ip_collection,
         ms->m_session_collection, ms->m_user_collection,
         ms->m_resource_collection),
+#ifdef WITH_YAJL
     m_json(new RequestBodyProcessor::JSON(this)),
+#else
+    m_json(NULL),
+#endif
     m_xml(new RequestBodyProcessor::XML(this)),
     TransactionAnchoredVariables(this) {
     m_id = std::to_string(this->m_timeStamp) + \
@@ -153,7 +159,9 @@ Transaction::~Transaction() {
     intervention::free(&m_it);
     intervention::clean(&m_it);
 
+#ifdef WITH_YAJL
     delete m_json;
+#endif
     delete m_xml;
 }
 
@@ -648,6 +656,7 @@ int Transaction::processRequestBody() {
             m_variableReqbodyError.set("1", m_variableOffset);
             m_variableReqbodyProcessorError.set("0", m_variableOffset);
         }
+#if WITH_YAJL
     } else if (m_requestBodyProcessor == JSONRequestBody) {
         std::string error;
         if (m_json->init() == true) {
@@ -667,6 +676,7 @@ int Transaction::processRequestBody() {
             m_variableReqbodyError.set("0", m_variableOffset);
             m_variableReqbodyProcessorError.set("0", m_variableOffset);
         }
+#endif
     } else if (m_requestBodyType == MultiPartRequestBody) {
         std::string error;
         if (a != NULL) {