Removed Lua dependencies and made sure PHP can be run.

git-svn-id: svn://svn.code.sf.net/p/axtls/code/trunk@217 9a5d90b5-6617-0410-8a86-bb477d3ed2e3

httpd/Config.in

@@ -65,7 +65,7 @@ config CONFIG_HTTP_HAS_CGI
 
 config CONFIG_HTTP_CGI_EXTENSIONS
     string "CGI File Extension(s)"
-    default ".lua,.lp"
+    default ".lua,.lp,.php"
     depends on CONFIG_HTTP_HAS_CGI
     help
         Tell axhhtpd what file extension(s) are used for CGI.
@@ -83,29 +83,26 @@ config CONFIG_HTTP_ENABLE_LUA
 
 config CONFIG_HTTP_LUA_PREFIX
     string "Lua's Installation Prefix"
-    default "/usr/local"
+    default "/usr"
     depends on CONFIG_HTTP_ENABLE_LUA
 
     help
-        The location of Lua's installation prefix. This is also necessary for
+        The location of Lua's installation prefix.
-        Lua's cgi launcher application.
-
-config CONFIG_HTTP_LUA_CGI_LAUNCHER
-    string "CGI launcher location"
-    default "/bin/cgi.exe" if CONFIG_PLATFORM_CYGWIN
-    default "/bin/cgi" if !CONFIG_PLATFORM_CYGWIN
-    depends on CONFIG_HTTP_ENABLE_LUA
-    help
-        The location of LUA's CGI launcher application (after
-        the CONFIG_HTTP_LUA_PREFIX)
 
 config CONFIG_HTTP_BUILD_LUA
     bool "Build Lua"
     default n
     depends on CONFIG_HTTP_ENABLE_LUA
     help
-        Build Lua and install in /usr/local/bin
+        Build Lua and install in /usr/bin by default.
 
+config CONFIG_HTTP_CGI_LAUNCHER
+    string "CGI launcher location"
+    default "/usr/bin/cgi.exe"
+    depends on CONFIG_HTTP_HAS_CGI
+    help
+        The location of the CGI launcher application (could be /usr/bin/php5).
+        The default is to use Lua's CGI launcher.
 endmenu
 
 config CONFIG_HTTP_DIRECTORIES

httpd/axhttp.h

@@ -92,9 +92,6 @@ struct connstruct
 #if defined(CONFIG_HTTP_HAS_CGI)
     uint8_t is_cgi;
     char cgicontenttype[MAXREQUESTLENGTH];
-#ifdef CONFIG_HTTP_ENABLE_LUA
-    uint8_t is_lua;
-#endif
     int content_length;
     char remote_addr[MAXREQUESTLENGTH];
     char uri_request[MAXREQUESTLENGTH];

httpd/proc.c

@@ -405,14 +405,7 @@ void procsendhead(struct connstruct *cn)
 #if defined(CONFIG_HTTP_HAS_CGI)
     if (file_exists != -1 && cn->is_cgi)
     {
-        if ((stbuf.st_mode & S_IEXEC) == 0 || isdir(cn->actualfile))
+        proccgi(cn);
-        {
-            /* A non-executable file, or directory? */
-            send_error(cn, 403);
-        }
-        else
-            proccgi(cn);
-
         return;
     }
 #endif
@@ -578,7 +571,7 @@ void procsendfile(struct connstruct *cn)
 static void proccgi(struct connstruct *cn) 
 {
     int tpipe[2], spipe[2];
-    char *myargs[2];
+    char *myargs[3];
     char cgienv[CGI_ARG_SIZE][MAXREQUESTLENGTH];
     char * cgiptr[CGI_ARG_SIZE+4];
     const char *type = "HEAD";
@@ -668,8 +661,9 @@ static void proccgi(struct connstruct *cn)
     } else    /* Otherwise we can shutdown the read side of the sock */
         shutdown(cn->networkdesc, 0);
 
-    myargs[0] = cn->actualfile;
+    myargs[0] = CONFIG_HTTP_CGI_LAUNCHER;
-    myargs[1] = NULL;
+    myargs[1] = cn->actualfile;
+    myargs[2] = NULL;
 
     /* 
      * set the cgi args. A url is defined by:
@@ -721,11 +715,6 @@ static void proccgi(struct connstruct *cn)
     if (cn->is_ssl)
         strcpy(cgienv[cgi_index++], "HTTPS=on");
 
-#ifdef CONFIG_PLATFORM_CYGWIN
-    /* TODO: find out why Lua needs this */
-    strcpy(cgienv[cgi_index++], "PATH=/usr/bin");
-#endif
-
     if (cgi_index >= CGI_ARG_SIZE)
     {
         printf("Content-type: text/plain\n\nToo many CGI args (%d, %d)\n",
@@ -761,14 +750,7 @@ static char * cgi_filetype_match(struct connstruct *cn, const char *fn)
             t += strlen(tp->ext);
 
             if (*t == '/' || *t == '\0')
-            {
-#ifdef CONFIG_HTTP_ENABLE_LUA
-                if (strcmp(tp->ext, ".lua") == 0 || strcmp(tp->ext, ".lp") == 0)
-                    cn->is_lua = 1;
-#endif
-
                 return t;
-            }
             else
                 return NULL;
 
@@ -786,9 +768,6 @@ static void decode_path_info(struct connstruct *cn, char *path_info)
 
 #if defined(CONFIG_HTTP_HAS_CGI)
     cn->is_cgi = 0;
-#endif
-#ifdef CONFIG_HTTP_ENABLE_LUA
-    cn->is_lua = 0;
 #endif
     *cn->uri_request = '\0';
     *cn->uri_path_info = '\0';
@@ -1005,16 +984,6 @@ static void buildactualfile(struct connstruct *cn)
             *cp = 0;
     }
 #endif
-
-#if defined(CONFIG_HTTP_ENABLE_LUA)
-    /* 
-     * Use the lua launcher if this file has a lua extension. Put this at the
-     * end as we need the directory name.
-     */
-    if (cn->is_lua)
-        sprintf(cn->actualfile, "%s%s", CONFIG_HTTP_LUA_PREFIX, 
-                CONFIG_HTTP_LUA_CGI_LAUNCHER);
-#endif
 }
 
 static int sanitizefile(const char *buf)