Add /apps/webserver-nano

2011-07-24 12:04:41 -04:00 · 2011-07-24 12:04:41 -04:00 · 67ac9f3c3e
commit 67ac9f3c3e
parent 031c45994b
54 changed files with 3024 additions and 1 deletions
--- a/apps/webserver-nano/urlconv.c
+++ b/apps/webserver-nano/urlconv.c
@ -0,0 +1,149 @@
+/*
+ * Copyright (c) 2010, Kajtar Zsolt <soci@c64.rulez.org>.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the Institute nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * This file is part of the Contiki operating system.
+ *
+ * Author: Kajtar Zsolt <soci@c64.rulez.org>
+ *
+ * $Id: urlconv.c,v 1.4 2010/09/29 09:35:56 oliverschmidt Exp $
+ */
+
+#include <string.h>
+
+#include "cfs/cfs.h"
+#include "http-strings.h"
+
+#define ISO_number   0x23
+#define ISO_percent  0x25
+#define ISO_period   0x2e
+#define ISO_slash    0x2f
+#define ISO_question 0x3f
+
+static char wwwroot[40];
+static unsigned char wwwrootlen;
+
+void
+urlconv_init(void)
+{
+  int fd = cfs_open("wwwroot.cfg", CFS_READ);
+  int rd = cfs_read(fd, wwwroot, sizeof(wwwroot));
+  cfs_close(fd);
+  if(rd != -1) wwwrootlen = rd;
+}
+
+/*---------------------------------------------------------------------------*/
+/* URL to filename conversion
+ *
+ * prepends wwwroot prefix
+ * normalizes path by removing "/./"
+ * interprets "/../" and calculates path accordingly
+ * resulting path is always absolute
+ * replaces "%AB" notation with characters
+ * strips "#fragment" and "?query" from end
+ * replaces multiple slashes with a single one
+ * rejects non-ASCII characters
+ *
+ * MAXLEN is including trailing zero!
+ * input and output is ASCII
+ */
+void
+urlconv_tofilename(char *dest, char *source, unsigned char maxlen)
+{
+  static unsigned char len;
+  static unsigned char c, hex1;
+  static unsigned char *from, *to;
+
+  *dest = ISO_slash;
+  strncpy(dest + 1, wwwroot, wwwrootlen);
+  len = 0;
+  from = source; to = dest + wwwrootlen;
+  maxlen -= 2 + wwwrootlen;
+  do {
+    c = *(from++);
+    switch(c) {
+    case ISO_number:
+    case ISO_question:
+      c = 0;
+      break;
+    case ISO_percent:
+      c = 0;
+      hex1 = (*(from++) | 0x20) ^ 0x30;  // ascii only!
+      if(hex1 > 0x50 && hex1 < 0x57)
+        hex1 -= 0x47;
+      else
+        if(hex1 > 9)
+          break;  // invalid hex
+      c = (*(from++) | 0x20) ^ 0x30;  // ascii only!
+      if(c > 0x50 && c < 0x57)
+        c -= 0x47;
+      else
+        if(c > 9)
+          break;  // invalid hex
+      c |= hex1 << 4;
+    }
+
+    if(c < 0x20 || c > 0x7e)
+      c = 0;  // non ascii?!
+    if(len >= maxlen)
+      c = 0;  // too long?
+
+    if(c == ISO_slash || !c) {
+      switch(*to) {
+      case ISO_slash:
+        continue;  // no repeated slash
+      case ISO_period:
+        switch(to[-1]) {
+        case ISO_slash:  // handle "./" 
+           --to; --len;
+           continue;
+        case ISO_period:
+          if(to[-2] == ISO_slash) {
+            to -= 2; len -= 2;
+            if(len) {
+              do {
+                --to; --len;
+              } while(*to != ISO_slash);
+            }
+            continue;
+          }
+        }
+      }
+    }
+    if(c) {
+      ++to; ++len; 
+      *to = c;
+    }
+  } while(c);
+  if(*to == ISO_slash && (len + sizeof(http_index_htm) - 3) < maxlen) {
+    strcpy(to, http_index_htm);  // add index.htm
+  } else {
+    ++to;
+    *to = 0;
+  }
+}
+/*---------------------------------------------------------------------------*/