fix(config): fix config script to make it work with newer libinjection

config

@@ -24,11 +24,7 @@ srcs="$ngx_addon_dir/src/ngx_http_waf_module_core.c \
     $ngx_addon_dir/src/ngx_http_waf_module_util.c \
     $ngx_addon_dir/src/ngx_http_waf_module_vm.c \
     $ngx_addon_dir/src/ngx_http_waf_module_lexer.c \
-    $ngx_addon_dir/src/ngx_http_waf_module_parser.tab.c \
-    $ngx_addon_dir/inc/libinjection/src/libinjection_html5.c \
-    $ngx_addon_dir/inc/libinjection/src/libinjection_sqli.c \
-    $ngx_addon_dir/inc/libinjection/src/libinjection_xss.c"
-
+    $ngx_addon_dir/src/ngx_http_waf_module_parser.tab.c"
 
 ngx_http_waf_module_libs=""
 
@@ -45,7 +41,7 @@ if [ $? -ne 0 ] ; then
 $0: error: the $ngx_addon_name module requires the flex.
 
 Please run:
-    On Ubuntu or Debian: 
+    On Ubuntu or Debian:
         apt-get update && apt-get install --yes flex
     On CentOS 7:
         yum -y install flex
@@ -73,7 +69,7 @@ if [ $? -ne 0 ] ; then
 $0: error: the $ngx_addon_name module requires the bison.
 
 Please run:
-    On Ubuntu or Debian: 
+    On Ubuntu or Debian:
         apt-get update && apt-get install --yes bison
     On CentOS 7:
         yum -y install bison
@@ -129,7 +125,7 @@ ngx_feature_incs="#include <utstack.h>"
 ngx_feature_libs=$ngx_http_waf_module_libs
 ngx_feature_test=
 . auto/feature
-if [ $ngx_found = no  ] ; then 
+if [ $ngx_found = no  ] ; then
     PWD=$(pwd)
     cat << END
 $0: error: the $ngx_addon_name module requires the $ngx_feature.
@@ -173,7 +169,7 @@ if (j == 1) { return 1; }
 END
 )
 . auto/feature
-if [ $ngx_found = no  ] ; then 
+if [ $ngx_found = no  ] ; then
     cat << END
 $0: error: the $ngx_addon_name module requires the $ngx_feature, make sure your C compiler supports and enables the C99 standard.
 
@@ -183,8 +179,12 @@ END
     exit 1
 fi
 
-
-ngx_http_waf_module_inc_path="${ngx_http_waf_module_inc_path} ${ngx_addon_dir}/inc/libinjection/src"
+if [ -n "$LIB_INJECTION" ] ; then
+    ngx_http_waf_module_inc_path="${ngx_http_waf_module_inc_path} ${LIB_INJECTION}/include"
+    ngx_http_waf_module_libs=" ${ngx_http_waf_module_libs} -L ${LIB_INJECTION}/lib -Wl,-Bstatic -l injection -Wl,-Bdynamic "
+else
+    ngx_http_waf_module_libs=" ${ngx_http_waf_module_libs}  -l injection "
+fi
 
 
 # Check if libinjection exists.
@@ -197,20 +197,28 @@ ngx_feature_incs=$(cat << END
 #include <libinjection.h>
 #include <libinjection_sqli.h>
 #include <libinjection_xss.h>
+#include <libinjection_html5.h>
 
 END
 )
 
 ngx_feature_libs=$ngx_http_waf_module_libs
 ngx_feature_test=
 . auto/feature
-if [ $ngx_found = no  ] ; then 
+if [ $ngx_found = no  ] ; then
     PWD=$(pwd)
     cat << END
 $0: error: the $ngx_addon_name module requires the $ngx_feature.
 
-Please run cd $ngx_addon_dir && git clone https://github.com/libinjection/libinjection.git inc/libinjection && cd $PWD
-
+Please run
+        # You can remove directories libinjection-src and libinjection after installing the ngx_http_waf_module.
+        git clone https://github.com/libinjection/libinjection.git libinjection-src \\
+    &&  cd libinjection-src \\
+    &&  ./autogen.sh \\
+    &&  ./configure --prefix=$PWD/libinjection \\
+    &&  make -j\$(nproc) && make install \\
+    &&  export LIB_INJECTION=$PWD/libinjection \\
+    &&  cd $PWD
 END
     PWD=''
     exit 1
@@ -232,15 +240,15 @@ ngx_feature_incs='#include <sodium.h>'
 ngx_feature_libs=$ngx_http_waf_module_libs
 ngx_feature_test=
 . auto/feature
-if [ $ngx_found = no  ] ; then 
+if [ $ngx_found = no  ] ; then
     PWD=$(pwd)
     cat << END
 $0: error: the $ngx_addon_name module requires the $ngx_feature.
 
 Please run:
-    On Ubuntu or Debian: 
+    On Ubuntu or Debian:
             apt-get update && apt-get install --yes libsodium23 libsodium-dev
-    On Alpine: 
+    On Alpine:
             apk update && apk add libsodium libsodium-dev
     On other OS:
             # You can remove directories libsodium-src and libsodium after installing the ngx_http_waf_module.
@@ -275,7 +283,7 @@ if test -n "$ngx_module_link"; then
     ngx_module_incs=$ngx_http_waf_module_inc_path
     ngx_module_srcs=$srcs
     ngx_module_libs=$ngx_http_waf_module_libs
-    
+
     # Let ngx_http_access_module initialize before this module,
     # so that this module can take effect after ngx_http_access_module,
     # because the initialization order and the effective order are reversed.