THTTPD progress

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@2020 42af7a65-404d-4744-a932-0658087f49c3

configs/eagle100/thttpd/defconfig

@@ -543,7 +543,7 @@ CONFIG_THTTPD_CGI_STACKSIZE=1024
 CONFIG_THTTPD_CGI_BYTECOUNT=20000
 CONFIG_THTTPD_CGI_TIMELIMIT=0
 CONFIG_THTTPD_CHARSET="iso-8859-1"
-CONFIG_THTTPD_IOBUFFERSIZE=256
+CONFIG_THTTPD_IOBUFFERSIZE=1024
 #CONFIG_THTTPD_INDEX_NAMES
 CONFIG_AUTH_FILE=n
 CONFIG_THTTPD_LISTEN_BACKLOG=8

lib/lib_strcasecmp.c

@@ -54,10 +54,10 @@
 #ifndef CONFIG_ARCH_STRCMP
 int strcasecmp(const char *cs, const char *ct)
 {
-  register signed char result;
+  register int result;
   for (;;)
     {
-      if ((result = toupper(*cs) - toupper(*ct)) != 0 || !*cs)
+      if ((result = (int)toupper(*cs) - (int)toupper(*ct)) != 0 || !*cs)
         {
           break;
         }

lib/lib_strncasecmp.c

@@ -54,10 +54,10 @@
 #ifndef CONFIG_ARCH_STRNCASECMP
 int strncasecmp(const char *cs, const char *ct, size_t nb)
 {
-  register signed char result = 0;
+  register int result = 0;
   for (; nb > 0; nb--)
     {
-      if ((result = toupper(*cs) - toupper(*ct)) != 0 || !*cs)
+      if ((result = (int)toupper(*cs) - (int)toupper(*ct)) != 0 || !*cs)
         {
           break;
         }

netutils/thttpd/libhttpd.h

@@ -68,7 +68,58 @@
 #define NEW(t,n) ((t*) malloc( sizeof(t) * (n) ))
 #define RENEW(o,t,n) ((t*) realloc( (void*) o, sizeof(t) * (n) ))
 
-/* Methods. */
+/* Enable special instrumentation to track down "400 Bad Request" problems */
+
+#undef CONFIG_THTTPD_BADREQUEST /* Define to enable "Bad Request" instrumentation */
+
+#ifdef CONFIG_THTTPD_BADREQUEST
+#  if !defined(CONFIG_DEBUG_VERBOSE) || !defined(CONFIG_DEBUG_NET)
+#    undef CONFIG_THTTPD_BADREQUEST
+#  else
+#    define BADREQUEST(s) nvdbg("Bad Request: \"%s\"\n", s)
+#  endif
+#endif
+
+#ifndef CONFIG_THTTPD_BADREQUEST
+#  undef  BADREQUEST
+#  define BADREQUEST(s)
+#endif
+
+/* Enable special instrumentation to track down "501 Not Implemented" problems */
+
+#undef CONFIG_THTTPD_NOTIMPLEMENTED /* Define to enable "Not Implemented" instrumentation */
+
+#ifdef CONFIG_THTTPD_NOTIMPLEMENTED
+#  if !defined(CONFIG_DEBUG_VERBOSE) || !defined(CONFIG_DEBUG_NET)
+#    undef CONFIG_THTTPD_NOTIMPLEMENTED
+#  else
+#    define NOTIMPLEMENTED(s) nvdbg("Not Implemented: \"%s\"\n", s)
+#  endif
+#endif
+
+#ifndef CONFIG_THTTPD_NOTIMPLEMENTED
+#  undef  NOTIMPLEMENTED
+#  define NOTIMPLEMENTED(s)
+#endif
+
+/* Enable special instrumentation to track down "500 Internal Error" problems */
+
+#undef CONFIG_THTTPD_INTERNALERROR /* Define to enable "Internal Error" instrumentation */
+
+#ifdef CONFIG_THTTPD_INTERNALERROR
+#  if !defined(CONFIG_DEBUG_VERBOSE) || !defined(CONFIG_DEBUG_NET)
+#    undef CONFIG_THTTPD_INTERNALERROR
+#  else
+#    define INTERNALERROR(s) nvdbg("Internal Error: \"%s\"\n", s)
+#  endif
+#endif
+
+#ifndef CONFIG_THTTPD_INTERNALERROR
+#  undef  INTERNALERROR
+#  define INTERNALERROR(s)
+#endif
+
+/* Methods */
 
 #define METHOD_UNKNOWN 0
 #define METHOD_GET 1
@@ -263,21 +314,19 @@ extern void httpd_destroy_conn(httpd_conn *hc);
 
 /* Send an error message back to the client. */
 
-extern void httpd_send_err(httpd_conn *hc, int status, char *title,
-                           char *extraheads, char *form, char *arg);
+extern void httpd_send_err(httpd_conn *hc, int status, const char *title,
+                           const char *extraheads, const char *form, const char *arg);
 
 /* Some error messages. */
 
-extern char *httpd_err400title;
-extern char *httpd_err400form;
-extern char *httpd_err408title;
-extern char *httpd_err408form;
-extern char *httpd_err503title;
-extern char *httpd_err503form;
+extern const char httpd_err400title[];
+extern const char httpd_err400form[];
+extern const char httpd_err408title[];
+extern const char httpd_err408form[];
 
 /* Generate a string representation of a method number. */
 
-extern char *httpd_method_str(int method);
+extern const char *httpd_method_str(int method);
 
 /* Reallocate a string. */
 

netutils/thttpd/thttpd.c

@@ -307,6 +307,7 @@ static void handle_read(struct connect_s *conn, struct timeval *tv)
     {
       if (hc->read_size > CONFIG_THTTPD_MAXREALLOC)
         {
+          BADREQUEST("MAXREALLOC");
           goto errout_with_400;
         }
       httpd_realloc_str(&hc->read_buf, &hc->read_size, hc->read_size + CONFIG_THTTPD_REALLOCINCR);
@@ -317,12 +318,13 @@ static void handle_read(struct connect_s *conn, struct timeval *tv)
   sz = read(hc->conn_fd, &(hc->read_buf[hc->read_idx]), hc->read_size - hc->read_idx);
   if (sz == 0)
     {
+      BADREQUEST("EOF");
       goto errout_with_400;
     }
 
   if (sz < 0)
     {
-      /* Ignore EINTR and EAGAIN.  Also ignore EWOULDBLOCK.  At first glanc
+      /* Ignore EINTR and EAGAIN.  Also ignore EWOULDBLOCK.  At first glance
        * you would think that connections returned by fdwatch as readable
        * should never give an EWOULDBLOCK; however, this apparently can
        * happen if a packet gets garbled.
@@ -332,6 +334,9 @@ static void handle_read(struct connect_s *conn, struct timeval *tv)
         {
           return;
         }
+ 
+      ndbg("read(fd=%d) failed: %d\n", hc->conn_fd, errno);
+      BADREQUEST("read");
       goto errout_with_400;
     }
 
@@ -345,7 +350,8 @@ static void handle_read(struct connect_s *conn, struct timeval *tv)
     case GR_NO_REQUEST:
       return;
     case GR_BAD_REQUEST:
-      goto errout_with_400;
+     BADREQUEST("httpd_got_request");
+     goto errout_with_400;
     }
 
   /* Yes.  Try parsing and resolving it */
@@ -408,6 +414,7 @@ static void handle_read(struct connect_s *conn, struct timeval *tv)
   if (actual != conn->offset)
     {
        ndbg("fseek to %d failed: offset=%d errno=%d\n", conn->offset, actual, errno);
+       BADREQUEST("lseek");
        goto errout_with_400;
     }
 
@@ -421,6 +428,7 @@ static void handle_read(struct connect_s *conn, struct timeval *tv)
   return;
 
 errout_with_400:
+  BADREQUEST("errout");
   httpd_send_err(hc, 400, httpd_err400title, "", httpd_err400form, "");
 
 errout_with_connection: