SOAP, SRW codecs and HTTP transport for YAZ using libxml2.

[yaz-moved-to-github.git] / odr / ber_any.c

diff --git a/odr/ber_any.c b/odr/ber_any.c
index 1280040..5328dee 100644 (file)
--- a/odr/ber_any.c
+++ b/odr/ber_any.c
@@ -2,7 +2,7 @@
  * Copyright (c) 1995-2003, Index Data
  * See the file LICENSE for details.
  *
- * $Id: ber_any.c,v 1.20 2003-01-06 08:20:27 adam Exp $
+ * $Id: ber_any.c,v 1.21 2003-02-12 15:06:43 adam Exp $
  */
 #if HAVE_CONFIG_H
 #include <config.h>
@@ -47,6 +47,47 @@ int completeBER(const unsigned char *buf, int len)
        return 0;
     if (!buf[0] && !buf[1])
        return 0;
+    if (len > 5 && buf[0] >= 0x20 && buf[0] < 0x7f
+               && buf[1] >= 0x20 && buf[1] < 0x7f
+               && buf[2] >= 0x20 && buf[2] < 0x7f)
+    {
+        /* deal with HTTP request/response */
+       int i = 2, content_len = 0;
+
+        while (i <= len-4)
+        {
+            if (buf[i] == '\r' && buf[i+1] == '\n')
+            {
+                i += 2;
+                if (buf[i] == '\r' && buf[i+1] == '\n')
+                {
+                    /* i += 2 seems not to work with GCC -O2 .. 
+                       so i+2 is used instead .. */
+                    if (len >= (i+2)+ content_len)
+                        return (i+2)+ content_len;
+                    break;
+                }
+                if (i < len-18)
+                {
+                    if (!memcmp(buf+i, "Content-Length:", 15))
+                    {
+                        i+= 15;
+                        if (buf[i] == ' ')
+                            i++;
+                        content_len = 0;
+                        while (i <= len-4 && isdigit(buf[i]))
+                            content_len = content_len*10 + (buf[i++] - '0');
+                        if (content_len < 0) /* prevent negative offsets */
+                            content_len = 0;
+                    }
+                }
+            }
+            else
+                i++;
+        }
+        return 0;
+    }
+    /* BER from now on .. */
     if ((res = ber_dectag(b, &zclass, &tag, &cons)) <= 0)
        return 0;
     if (res > len)