Fixed bug in inetd code. The server listened on tcp:@:9999 even

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

diff --git a/odr/ber_any.c b/odr/ber_any.c
index 71846df..7b56f0f 100644 (file)
--- a/odr/ber_any.c
+++ b/odr/ber_any.c
@@ -1,10 +1,41 @@
 /*
- * Copyright (C) 1994, Index Data I/S 
- * All rights reserved.
+ * Copyright (c) 1995, Index Data
+ * See the file LICENSE for details.
  * Sebastian Hammer, Adam Dickmeiss
  *
  * $Log: ber_any.c,v $
- * Revision 1.3  1995-02-10 18:57:24  quinn
+ * Revision 1.13  1997-05-14 06:53:56  adam
+ * C++ support.
+ *
+ * Revision 1.12  1995/09/29 17:12:15  quinn
+ * Smallish
+ *
+ * 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
@@ -24,36 +55,38 @@ int ber_any(ODR o, Odr_any **p)
     switch (o->direction)
     {
        case ODR_DECODE:
-           if ((res = completeBER(o->bp, 1000)) <= 0)        /* FIX THIS */
+           if ((res = completeBER(o->bp, o->left)) <= 0)        /* FIX THIS */
+           {
+               o->error = OPROTO;
                return 0;
-           (*p)->buf = nalloc(o, res);
+           }
+           (*p)->buf = 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 ((*p)->len > o->left)
+           if (odr_write(o, (*p)->buf, (*p)->len) < 0)
                return 0;
-           memcpy(o->bp , (*p)->buf, (*p)->len);
-           o->bp += (*p)->len;
-           o->left -= (*p)->len;
            return 1;
-       default: return 0;
+       default: o->error = OOTHER; return 0;
     }
 }
 
 /*
- * Return length of BER-package or -1.
+ * Return length of BER-package or 0.
  */
 int completeBER(unsigned char *buf, int len)
 {
-    int res, ll, class, tag, cons;
+    int res, ll, zclass, tag, cons;
     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 ((res = ber_dectag(b, &zclass, &tag, &cons)) <= 0)
        return 0;
     if (res > len)
        return 0;
@@ -66,18 +99,20 @@ int completeBER(unsigned char *buf, int len)
     b += res;
     len -= res;
     if (ll >= 0)
-       return (len >= ll ? ll + (b-buf) : -1);
+       return (len >= ll ? ll + (b-buf) : 0);
     if (!cons)
        return 0;    
-    while (1)
+    /* constructed - cycle through children */
+    while (len >= 2)
     {
-       if ((res = completeBER(b, len)) < 0)
+       if (*b == 0 && *(b + 1) == 0)
+           break;
+       if (!(res = completeBER(b, len)))
            return 0;
        b += res;
        len -= res;
-       if (len < 2)
-           return 0;
-       if (*b == 0 && *(b + 1) == 0)
-           return (b - buf) + 2;
     }
+    if (len < 2)
+       return 0;
+    return (b - buf) + 2;
 }