Merge pull request #1112 from oliverschmidt/master

Various improvements of the HTTP client and web browser.

apps/webbrowser/html-strings

@@ -9,7 +9,6 @@ html_a "a\0"
 html_body "body\0"
 html_br "br\0"
 html_form "form\0"
-html_frame "frame\0"
 html_h1 "h1\0"
 html_h2 "h2\0"
 html_h3 "h3\0"

apps/webbrowser/html-strings.c

@@ -31,9 +31,6 @@ const char html_br[4] =
 const char html_form[6] = 
 /* "form\0" */
 {0x66, 0x6f, 0x72, 0x6d, 00, };
-const char html_frame[7] = 
-/* "frame\0" */
-{0x66, 0x72, 0x61, 0x6d, 0x65, 00, };
 const char html_h1[4] = 
 /* "h1\0" */
 {0x68, 0x31, 00, };

apps/webbrowser/html-strings.h

@@ -9,7 +9,6 @@ extern const char html_a[3];
 extern const char html_body[6];
 extern const char html_br[4];
 extern const char html_form[6];
-extern const char html_frame[7];
 extern const char html_h1[4];
 extern const char html_h2[4];
 extern const char html_h3[4];

apps/webbrowser/htmlparser.c

@@ -119,9 +119,6 @@ G * (<br>, <p>, <h>), the <li> tag (but does not even try to
 #define ISO_eq    0x3d
 #define ISO_gt    0x3e
 
-#define ISO_rbrack 0x5b
-#define ISO_lbrack 0x5d
-
 #define MINORSTATE_NONE           0
 #define MINORSTATE_TEXT           1 /* Parse normal text */
 #define MINORSTATE_EXTCHAR        2 /* Check for semi-colon */
@@ -140,7 +137,7 @@ G * (<br>, <p>, <h>), the <li> tag (but does not even try to
 #define MAJORSTATE_LINK       2
 #define MAJORSTATE_FORM       3
 #define MAJORSTATE_DISCARD    4
-
+#define MAJORSTATE_SCRIPT     5
 
 struct htmlparser_state {
 
@@ -151,7 +148,7 @@ struct htmlparser_state {
   unsigned char tagattrptr;
   char tagattrparam[WWW_CONF_MAX_URLLEN + 1];
   unsigned char tagattrparamptr;
-  unsigned char lastchar, quotechar;
+  unsigned char quotechar;
   unsigned char majorstate, lastmajorstate;
   char linkurl[WWW_CONF_MAX_URLLEN + 1];
 
@@ -196,33 +193,31 @@ static const char *tags[] = {
   html_br,
 #define TAG_FORM       10
   html_form,
-#define TAG_FRAME      11
+#define TAG_H1         11
-  html_frame,
-#define TAG_H1         12
   html_h1,
-#define TAG_H2         13
+#define TAG_H2         12
   html_h2,
-#define TAG_H3         14
+#define TAG_H3         13
   html_h3,
-#define TAG_H4         15
+#define TAG_H4         14
   html_h4,
-#define TAG_IMG        16
+#define TAG_IMG        15
   html_img,
-#define TAG_INPUT      17
+#define TAG_INPUT      16
   html_input,
-#define TAG_LI         18
+#define TAG_LI         17
   html_li,
-#define TAG_P          19
+#define TAG_P          18
   html_p,
-#define TAG_SCRIPT     20
+#define TAG_SCRIPT     19
   html_script, 
-#define TAG_SELECT     21
+#define TAG_SELECT     20
   html_select,
-#define TAG_STYLE      22
+#define TAG_STYLE      21
   html_style,
-#define TAG_TR         23
+#define TAG_TR         22
   html_tr,
-#define TAG_LAST       24
+#define TAG_LAST       23
   last,
 };
 
@@ -254,7 +249,7 @@ htmlparser_init(void)
 {
   s.majorstate = s.lastmajorstate = MAJORSTATE_DISCARD;
   s.minorstate = MINORSTATE_TEXT;
-  s.lastchar = 0;
+  s.wordlen = 0;
 #if WWW_CONF_FORMS
   s.formaction[0] = 0;
 #endif /* WWW_CONF_FORMS */
@@ -305,10 +300,10 @@ do_word(void)
 {
   if(s.wordlen > 0) {
     if(s.majorstate == MAJORSTATE_LINK) {
-      if(s.word[s.wordlen] != ISO_space) {
+      if(s.word[s.wordlen - 1] != ISO_space) {
 	add_char(ISO_space);
       }
-    } else if(s.majorstate == MAJORSTATE_DISCARD) {
+    } else if(s.majorstate >= MAJORSTATE_DISCARD) {
       s.wordlen = 0;
     } else {
       s.word[s.wordlen] = '\0';
@@ -368,13 +363,19 @@ static void
 parse_tag(void)
 {
   static char *tagattrparam;
+  static unsigned char tag;
   static unsigned char size;
 
-  static char dummy;
+  tag = find_tag(s.tag);
+  /* If we are inside a <script> we mustn't interpret any tags
+     (inside JavaScript strings) but wait for the </script>. */
+  if(s.majorstate == MAJORSTATE_SCRIPT && tag != TAG_SLASHSCRIPT) {
+    return;
+  }
 
   PRINTF(("Parsing tag '%s' '%s' '%s'\n", s.tag, s.tagattr, s.tagattrparam));
 
-  switch(find_tag(s.tag)) {
+  switch(tag) {
   case TAG_P:
   case TAG_H1:
   case TAG_H2:
@@ -386,15 +387,18 @@ parse_tag(void)
   case TAG_TR:
   case TAG_SLASHDIV:
   case TAG_SLASHH:
-    dummy = 0;
     newline();
     break;
   case TAG_LI:
+    if(s.tagattr[0] == 0) {
       newline();
       add_char(ISO_asterisk);
       add_char(ISO_space);
+    }
     break;
   case TAG_SCRIPT:
+    switch_majorstate(MAJORSTATE_SCRIPT);
+    break;
   case TAG_STYLE:
   case TAG_SELECT:
     switch_majorstate(MAJORSTATE_DISCARD);
@@ -408,18 +412,6 @@ parse_tag(void)
   case TAG_BODY:
     s.majorstate = s.lastmajorstate = MAJORSTATE_BODY;
     break;
-  case TAG_FRAME:
-    if(strncmp(s.tagattr, html_src, sizeof(html_src)) == 0 && s.tagattrparam[0] != 0) {
-      switch_majorstate(MAJORSTATE_BODY);
-      newline();
-      add_char(ISO_rbrack);
-      do_word();
-      htmlparser_link((char *)html_frame, (unsigned char)strlen(html_frame), s.tagattrparam);
-      PRINTF(("Frame [%s]\n", s.tagattrparam));
-      add_char(ISO_lbrack);
-      newline();
-    }
-    break;
   case TAG_IMG:
     if(strncmp(s.tagattr, html_alt, sizeof(html_alt)) == 0 && s.tagattrparam[0] != 0) {
       add_char(ISO_lt);
@@ -572,6 +564,15 @@ parse_word(char *data, uint8_t dlen)
     }
     break;
   case MINORSTATE_TAG:
+    /* If we are inside a <srcipt> we mustn't mistake a JavaScript
+       equation with a '<' as a tag. So we check for the very next
+       character to be a '/' as we're only interested in parsing
+       the </script>. */
+    if(s.majorstate == MAJORSTATE_SCRIPT && data[0] != ISO_slash) {
+      s.minorstate = MINORSTATE_TEXT;
+      break;
+    }
+
     /* We are currently parsing within the name of a tag. We check
        for the end of a tag (the '>' character) or whitespace (which
        indicates that we should parse a tag attr argument

apps/webbrowser/http-strings

@@ -1,4 +1,5 @@
 http_http "http://"
+http_https "https://"
 http_200 "200 "
 http_301 "301 "
 http_302 "302 "
@@ -10,3 +11,4 @@ http_location "location: "
 http_host "Host: "
 http_crnl "\r\n"
 http_html ".html"
+http_redirect "<body>Redirect to "

apps/webbrowser/http-strings.c

@@ -1,6 +1,9 @@
 const char http_http[8] = 
 /* "http://" */
 {0x68, 0x74, 0x74, 0x70, 0x3a, 0x2f, 0x2f, };
+const char http_https[9] = 
+/* "https://" */
+{0x68, 0x74, 0x74, 0x70, 0x73, 0x3a, 0x2f, 0x2f, };
 const char http_200[5] = 
 /* "200 " */
 {0x32, 0x30, 0x30, 0x20, };
@@ -34,3 +37,6 @@ const char http_crnl[3] =
 const char http_html[6] = 
 /* ".html" */
 {0x2e, 0x68, 0x74, 0x6d, 0x6c, };
+const char http_redirect[19] = 
+/* "<body>Redirect to " */
+{0x3c, 0x62, 0x6f, 0x64, 0x79, 0x3e, 0x52, 0x65, 0x64, 0x69, 0x72, 0x65, 0x63, 0x74, 0x20, 0x74, 0x6f, 0x20, };

apps/webbrowser/http-strings.h

@@ -1,4 +1,5 @@
 extern const char http_http[8];
+extern const char http_https[9];
 extern const char http_200[5];
 extern const char http_301[5];
 extern const char http_302[5];
@@ -10,3 +11,4 @@ extern const char http_location[11];
 extern const char http_host[7];
 extern const char http_crnl[3];
 extern const char http_html[6];
+extern const char http_redirect[19];

apps/webbrowser/webclient.c

@@ -49,7 +49,7 @@
 #define HTTPFLAG_NONE   0
 #define HTTPFLAG_OK     1
 #define HTTPFLAG_MOVED  2
-#define HTTPFLAG_ERROR  3
+#define HTTPFLAG_HTTPS  3
 
 
 #define ISO_nl       0x0a
@@ -63,11 +63,11 @@ struct webclient_state {
 
   uint16_t port;
   char host[40];
-  char file[WWW_CONF_MAX_URLLEN];
+  char file[WWW_CONF_MAX_URLLEN - 10]; // URL - "http://<host>/"
   uint16_t getrequestptr;
   uint16_t getrequestleft;
   
-  char httpheaderline[200];
+  char httpheaderline[WWW_CONF_MAX_URLLEN + 10]; // URL + "Location: "
   uint16_t httpheaderlineptr;
 
   char mimetype[32];
@@ -327,13 +327,12 @@ parse_headers(uint16_t len)
   char *cptr;
   static unsigned char i;
   
-  while(len > 0 && s.httpheaderlineptr < sizeof(s.httpheaderline)) {
+  while(len > 0) {
     s.httpheaderline[s.httpheaderlineptr] = *(char *)uip_appdata;
     uip_appdata = (char *)uip_appdata + 1;
     --len;
     if(s.httpheaderline[s.httpheaderlineptr] == ISO_nl) {
-      /* We have an entire HTTP header line in s.httpheaderline, so
+      /* We reached the end of an HTTP header line. */
-	 we parse it. */
       if(s.httpheaderline[0] == ISO_cr) {
 	/* This was the last header line (i.e., and empty "\r\n"), so
 	   we are done with the headers and proceed with the actual
@@ -342,6 +341,9 @@ parse_headers(uint16_t len)
 	return len;
       }
 
+      if(s.httpheaderlineptr < sizeof(s.httpheaderline) - 1) {
+        /* We have an entire HTTP header line in s.httpheaderline, so
+	   we parse it. */
 	s.httpheaderline[s.httpheaderlineptr - 1] = 0;
 	/* Check for specific HTTP header fields. */
 	if(casecmp(s.httpheaderline, http_content_type,
@@ -358,7 +360,9 @@ parse_headers(uint16_t len)
 	  cptr = s.httpheaderline +
 	    sizeof(http_location) - 1;
 
-	if(strncmp(cptr, http_http, 7) == 0) {
+	  if(strncmp(cptr, http_https, sizeof(http_https) - 1) == 0) {
+	    s.httpflag = HTTPFLAG_HTTPS;
+	  } else if(strncmp(cptr, http_http, 7) == 0) {
 	    cptr += 7;
 	    for(i = 0; i < s.httpheaderlineptr - 7; ++i) {
 	      if(*cptr == 0 ||
@@ -375,15 +379,17 @@ parse_headers(uint16_t len)
 	  strncpy(s.file, cptr, sizeof(s.file));
 	  /*	s.file[s.httpheaderlineptr - i] = 0;*/
 	}
-
+      }
 
       /* We're done parsing, so we reset the pointer and start the
 	 next line. */
       s.httpheaderlineptr = 0;
     } else {
+      if(s.httpheaderlineptr < sizeof(s.httpheaderline) - 1) {
         ++s.httpheaderlineptr;
       }
     }
+  }
   return len;
 }
 /*-----------------------------------------------------------------------------------*/
@@ -403,7 +409,7 @@ newdata(void)
   }
 
   if(len > 0 && s.state == WEBCLIENT_STATE_DATA &&
-     s.httpflag != HTTPFLAG_MOVED) {
+     s.httpflag == HTTPFLAG_OK) {
     webclient_datahandler((char *)uip_appdata, len);
   }
 }
@@ -441,7 +447,6 @@ webclient_appcall(void *state)
     return;
   }
 
-
   /* The acked() and newdata() functions may alter the uip_appdata
      ptr, so we need to store it in the "dataptr" variable so that we
      can restore it before the senddata() function is called. */  
@@ -474,10 +479,18 @@ webclient_appcall(void *state)
 
   if(uip_closed()) {
     tcp_markconn(uip_conn, NULL);
-    if(s.httpflag != HTTPFLAG_MOVED) {
+    switch(s.httpflag) {
+    case HTTPFLAG_HTTPS:
+      /* Send some info to the user. */
+      webclient_datahandler((char *)http_redirect, sizeof(http_redirect) - 1);
+      webclient_datahandler(s.file, strlen(s.file));
+      webclient_datahandler((char *)http_crnl, sizeof(http_crnl) - 1);
+      /* FALLTHROUGH */
+    case HTTPFLAG_OK:
       /* Send NULL data to signal EOF. */
       webclient_datahandler(NULL, 0);
-    } else {
+      break;
+    case HTTPFLAG_MOVED:
       /*      conn = uip_connect(uip_conn->ripaddr, s.port);
       if(conn != NULL) {
 	dispatcher_markconn(conn, NULL);
@@ -489,6 +502,7 @@ webclient_appcall(void *state)
       }
 #endif /* UIP_UDP */
       webclient_get(s.host, s.port, s.file);
+      break;
     }
   }
 }

apps/webbrowser/www.c

@@ -125,7 +125,7 @@ static struct ctk_button wgetyesbutton =
 #if WWW_CONF_HISTORY_SIZE > 0
 /* The char arrays that hold the history of visited URLs. */
 static char history[WWW_CONF_HISTORY_SIZE][WWW_CONF_MAX_URLLEN];
-static char history_last;
+static unsigned char history_last;
 #endif /* WWW_CONF_HISTORY_SIZE > 0 */
 
 struct linkattrib {
@@ -170,6 +170,7 @@ static struct inputattrib *currptr;
 
 #define ISO_nl    0x0a
 #define ISO_space 0x20
+#define ISO_hash  0x23
 #define ISO_ampersand 0x26
 #define ISO_plus  0x2b
 #define ISO_slash 0x2f
@@ -181,6 +182,7 @@ static char *webpageptr;
 static unsigned char x, y;
 static unsigned char loading;
 static unsigned short firsty, pagey;
+static unsigned char newlines;
 
 static unsigned char count;
 static char receivingmsgs[4][23] = {
@@ -194,7 +196,7 @@ PROCESS(www_process, "Web browser");
 
 AUTOSTART_PROCESSES(&www_process);
 
-static void CC_FASTCALL formsubmit(struct formattrib *form);
+static void CC_FASTCALL formsubmit(struct inputattrib *trigger);
 
 /*-----------------------------------------------------------------------------------*/
 /* make_window()
@@ -277,6 +279,7 @@ start_loading(void)
   loading = 1;
   x = y = 0;
   pagey = 0;
+  newlines = 0;
   webpageptr = webpage;
 
   clear_page();
@@ -305,10 +308,13 @@ open_url(void)
   static uip_ipaddr_t addr;
 
   /* Trim off any spaces in the end of the url. */
-  urlptr = url + strlen(url) - 1;
+  urlptr = url + strlen(url);
-  while(*urlptr == ' ' && urlptr > url) {
+  while(urlptr > url) {
-    *urlptr = 0;
+    if(*(urlptr - 1) == ' ') {
-    --urlptr;
+      *--urlptr = 0;
+    } else {
+      break;
+    }
   }
 
   /* Don't even try to go further if the URL is empty. */
@@ -376,7 +382,6 @@ open_url(void)
   } else {
     show_statustext("Connecting...");
   }
-  redraw_window();
 }
 /*-----------------------------------------------------------------------------------*/
 /* set_link(link):
@@ -510,15 +515,17 @@ PROCESS_THREAD(www_process, ev, data)
 	firsty = 0;
 	start_loading();
 	--history_last;
+	/* Note: history_last is unsigned ! */
 	if(history_last > WWW_CONF_HISTORY_SIZE) {
 	  history_last = WWW_CONF_HISTORY_SIZE - 1;
 	}
 	memcpy(url, history[(int)history_last], WWW_CONF_MAX_URLLEN);
+	*history[(int)history_last] = 0;
 	open_url();
 	CTK_WIDGET_FOCUS(&mainwindow, &backbutton);
 #endif /* WWW_CONF_HISTORY_SIZE > 0 */
       } else if(w == (struct ctk_widget *)&downbutton) {
-	firsty = pagey + WWW_CONF_WEBPAGE_HEIGHT - 4;
+	firsty = pagey + WWW_CONF_WEBPAGE_HEIGHT - 2;
 	start_loading();
 	open_url();
 	CTK_WIDGET_FOCUS(&mainwindow, &downbutton);
@@ -557,9 +564,8 @@ PROCESS_THREAD(www_process, ev, data)
 #if WWW_CONF_FORMS
       } else {
 	/* Assume form widget. */
-	struct inputattrib *input = (struct inputattrib *)
+	formsubmit((struct inputattrib *)
-				      (((char *)w) - offsetof(struct inputattrib, widget));
+		   (((char *)w) - offsetof(struct inputattrib, widget)));
-	formsubmit(input->formptr);
 #endif /* WWW_CONF_FORMS */
       }
     } else if(ev == ctk_signal_hyperlink_activate) {
@@ -670,8 +676,6 @@ webclient_connected(void)
 {
   start_loading();
 
-  clear_page();
-
   show_statustext("Request sent...");
   set_url(webclient_hostname(), webclient_port(), webclient_filename());
 
@@ -731,6 +735,8 @@ add_pagewidget(char *text, unsigned char size, char *attrib, unsigned char type,
   char *wptr;
   static unsigned char maxwidth;
 
+  newlines = 0;
+
   if(!loading) {
     return;
   }
@@ -837,6 +843,10 @@ htmlparser_newline(void)
 {
   char *wptr;
 
+  if(++newlines > 2) {
+    return;
+  }
+
   if(pagey < firsty) {
     ++pagey;
     x = 0;
@@ -863,6 +873,8 @@ htmlparser_newline(void)
 void
 htmlparser_word(char *word, unsigned char wordlen)
 {
+  newlines = 0;
+
   if(loading) {
     if(wordlen + 1 > WWW_CONF_WEBPAGE_WIDTH - x) {
       htmlparser_newline();
@@ -886,8 +898,13 @@ htmlparser_word(char *word, unsigned char wordlen)
 void
 htmlparser_link(char *text, unsigned char textlen, char *url)
 {
+  /* No link for https or fragment-only as we would't be able to handle it anyway. */
+  if(url[0] == ISO_hash || strncmp(url, http_https, sizeof(http_https) - 1) == 0) {
+    htmlparser_word(text, textlen);
+  } else {
     add_pagewidget(text, textlen, url, CTK_WIDGET_HYPERLINK, 0);
   }
+}
 /*-----------------------------------------------------------------------------------*/
 #if WWW_CONF_FORMS
 void
@@ -946,23 +963,36 @@ add_query(char delimiter, char *string)
 }
 /*-----------------------------------------------------------------------------------*/
 static void CC_FASTCALL
-formsubmit(struct formattrib *form)
+formsubmit(struct inputattrib *trigger)
 {
-  struct inputattrib *inputptr;
+  struct inputattrib *input;
+  struct formattrib *form = trigger->formptr;
   char delimiter = ISO_questionmark;
 
   set_link(form->action);
 
-  for(inputptr = form->nextptr; inputptr != NULL; inputptr = inputptr->nextptr) {
+  /* No button pressed so prepare to look for default button. */
+  if(trigger->widget.type == CTK_WIDGET_TEXTENTRY) {
+    trigger = NULL;
+  }
+
+  for(input = form->nextptr; input != NULL; input = input->nextptr) {
     char *name;
     char *value;
 
-    if(inputptr->widget.type == CTK_WIDGET_BUTTON) {
+    if(input->widget.type == CTK_WIDGET_TEXTENTRY) {
-      name  = ((struct submitattrib *)inputptr)->name;
+      name  = ((struct textattrib *)input)->name;
-      value = ((struct submitattrib *)inputptr)->button.text;
+      value = ((struct textattrib *)input)->textentry.text;
     } else {
-      name  = ((struct textattrib *)inputptr)->name;
+      /* Consider first button as default button. */
-      value = ((struct textattrib *)inputptr)->textentry.text;
+      if(trigger == NULL) {
+        trigger = input;
+      }
+      if(input != trigger) {
+        continue;
+      }
+      name  = ((struct submitattrib *)input)->name;
+      value = ((struct submitattrib *)input)->button.text;
     }
 
     add_query(delimiter, name);

apps/webbrowser/www.h

@@ -44,7 +44,7 @@
 #define WWW_CONF_HISTORY_SIZE 10
 #endif
 #ifndef WWW_CONF_MAX_URLLEN
-#define WWW_CONF_MAX_URLLEN 300
+#define WWW_CONF_MAX_URLLEN 255
 #endif
 #ifndef WWW_CONF_PAGEATTRIB_SIZE
 #define WWW_CONF_PAGEATTRIB_SIZE 2000

apps/webserver/http-strings

@@ -1,4 +1,5 @@
 http_http "http://"
+http_https "https://"
 http_200 "200 "
 http_301 "301 "
 http_302 "302 "
@@ -32,4 +33,4 @@ http_gif ".gif"
 http_jpg ".jpg"
 http_text ".text"
 http_txt ".txt"
-
+http_redirect "<body>Redirect to "

apps/webserver/http-strings.c

@@ -1,6 +1,9 @@
 const char http_http[8] = 
 /* "http://" */
 {0x68, 0x74, 0x74, 0x70, 0x3a, 0x2f, 0x2f, };
+const char http_https[9] = 
+/* "https://" */
+{0x68, 0x74, 0x74, 0x70, 0x73, 0x3a, 0x2f, 0x2f, };
 const char http_200[5] = 
 /* "200 " */
 {0x32, 0x30, 0x30, 0x20, };
@@ -100,3 +103,6 @@ const char http_text[6] =
 const char http_txt[5] = 
 /* ".txt" */
 {0x2e, 0x74, 0x78, 0x74, };
+const char http_redirect[19] = 
+/* "<body>Redirect to " */
+{0x3c, 0x62, 0x6f, 0x64, 0x79, 0x3e, 0x52, 0x65, 0x64, 0x69, 0x72, 0x65, 0x63, 0x74, 0x20, 0x74, 0x6f, 0x20, };

apps/webserver/http-strings.h

@@ -1,4 +1,5 @@
 extern const char http_http[8];
+extern const char http_https[9];
 extern const char http_200[5];
 extern const char http_301[5];
 extern const char http_302[5];
@@ -32,3 +33,4 @@ extern const char http_gif[5];
 extern const char http_jpg[5];
 extern const char http_text[6];
 extern const char http_txt[5];
+extern const char http_redirect[19];

cpu/6502/6502def.h

@@ -72,7 +72,6 @@ typedef unsigned short uip_stats_t;
 #define UIP_CONF_LLH_LEN                      14
 #define RESOLV_CONF_SUPPORTS_MDNS              0
 #define RESOLV_CONF_SUPPORTS_RECORD_EXPIRATION 0
-#define NETSTACK_CONF_RDC_CHANNEL_CHECK_RATE   1
 
 #define LOADER_CONF_ARCH "lib/unload.h"
 

platform/win32/contiki-conf.h

@@ -56,11 +56,8 @@ typedef          long  s32_t;
 
 typedef unsigned short uip_stats_t;
 
-#define UIP_CONF_MAX_CONNECTIONS     40
-#define UIP_CONF_MAX_LISTENPORTS     40
 #define UIP_CONF_LLH_LEN             14
 #define UIP_CONF_BUFFER_SIZE         1514
-#define UIP_CONF_BYTE_ORDER          UIP_LITTLE_ENDIAN
 #define UIP_CONF_TCP_SPLIT           1
 #define UIP_CONF_LOGGING             1
 #define UIP_CONF_UDP_CHECKSUMS       1
@@ -77,6 +74,8 @@ typedef unsigned short uip_stats_t;
 #define UIP_CONF_IP_FORWARD          1
 #endif
 
+#define RESOLV_CONF_SUPPORTS_MDNS              0
+#define RESOLV_CONF_SUPPORTS_RECORD_EXPIRATION 0
 
 #include <ctype.h>
 #define ctk_arch_isprint isprint