X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=odr%2Fber_any.c;h=5328dee1561034394b487b9c3047b31d2407c3a2;hb=c620a713f1418315efcd4e6fab225e036775d365;hp=76f726af7c7119f69b535c8d7c593c2bcf1c5ce1;hpb=657fb99115b87a5244e9a33bbe4ca3d9d18849c4;p=yaz-moved-to-github.git

diff --git a/odr/ber_any.c b/odr/ber_any.c
index 76f726a..5328dee 100644
--- a/odr/ber_any.c
+++ b/odr/ber_any.c
@@ -1,64 +1,31 @@
 /*
- * Copyright (c) 1995, Index Data
+ * Copyright (c) 1995-2003, Index Data
  * See the file LICENSE for details.
- * Sebastian Hammer, Adam Dickmeiss
- *
- * $Log: ber_any.c,v $
- * Revision 1.11  1995-09-27 15:02:54  quinn
- * Modified function heads & prototypes.
- *
- * Revision 1.10  1995/05/16  08:50:42  quinn
- * License, documentation, and memory fixes
- *
- * Revision 1.9  1995/04/18  08:15:12  quinn
- * Added dynamic memory allocation on encoding (whew). Code is now somewhat
- * neater. We'll make the same change for decoding one day.
- *
- * Revision 1.8  1995/04/17  09:37:42  quinn
- * *** empty log message ***
- *
- * Revision 1.7  1995/03/17  10:17:39  quinn
- * Added memory management.
- *
- * Revision 1.6  1995/03/08  12:12:02  quinn
- * Added better error checking.
- *
- * Revision 1.5  1995/02/14  20:39:54  quinn
- * Fixed bugs in completeBER and (serious one in) ber_oid.
- *
- * Revision 1.4  1995/02/14  11:54:33  quinn
- * Adjustments.
- *
- * Revision 1.3  1995/02/10  18:57:24  quinn
- * More in the way of error-checking.
- *
- * Revision 1.2  1995/02/10  15:55:28  quinn
- * Bug fixes, mostly.
- *
- * Revision 1.1  1995/02/09  15:51:45  quinn
- * Works better now.
  *
+ * $Id: ber_any.c,v 1.21 2003-02-12 15:06:43 adam Exp $
  */
+#if HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "odr-priv.h"
 
-#include <odr.h>
-
-int MDF ber_any(ODR o, Odr_any **p)
+int ber_any(ODR o, Odr_any **p)
 {
     int res;
+    int left = o->size - (o->bp - o->buf);
 
     switch (o->direction)
     {
     	case ODR_DECODE:
-	    if ((res = completeBER(o->bp, o->left)) <= 0)        /* FIX THIS */
+	    if ((res = completeBER(o->bp, left)) <= 0)        /* FIX THIS */
 	    {
 	    	o->error = OPROTO;
 	    	return 0;
 	    }
-	    (*p)->buf = odr_malloc(o, res);
+	    (*p)->buf = (unsigned char *)odr_malloc(o, res);
 	    memcpy((*p)->buf, o->bp, res);
 	    (*p)->len = (*p)->size = res;
 	    o->bp += res;
-	    o->left -= res;
 	    return 1;
     	case ODR_ENCODE:
 	    if (odr_write(o, (*p)->buf, (*p)->len) < 0)
@@ -71,16 +38,57 @@ int MDF ber_any(ODR o, Odr_any **p)
 /*
  * Return length of BER-package or 0.
  */
-int MDF completeBER(unsigned char *buf, int len)
+int completeBER(const unsigned char *buf, int len)
 {
-    int res, ll, class, tag, cons;
-    unsigned char *b = buf;
+    int res, ll, zclass, tag, cons;
+    const unsigned char *b = buf;
     
     if (!len)
     	return 0;
     if (!buf[0] && !buf[1])
     	return 0;
-    if ((res = ber_dectag(b, &class, &tag, &cons)) <= 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)
     	return 0;