X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=odr%2Fber_any.c;h=c3e094716ec8fd6262ad6d8c7befb6f1cec51497;hb=a6d84a7dae6b0dc41228c301069bb14fb26bd38e;hp=bebfbb3fb3e5ef7fe9d25d6b9cc6637746fac448;hpb=21ea17f766bb492a93154ec7b242653fa37dec91;p=yaz-moved-to-github.git diff --git a/odr/ber_any.c b/odr/ber_any.c index bebfbb3..c3e0947 100644 --- a/odr/ber_any.c +++ b/odr/ber_any.c @@ -1,67 +1,25 @@ /* - * Copyright (c) 1995-1999, Index Data + * Copyright (c) 1995-2003, Index Data * See the file LICENSE for details. - * Sebastian Hammer, Adam Dickmeiss - * - * $Log: ber_any.c,v $ - * Revision 1.15 1999-01-08 11:23:20 adam - * Added const modifier to some of the BER/ODR encoding routines. - * - * Revision 1.14 1998/02/11 11:53:34 adam - * Changed code so that it compiles as C++. - * - * 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 - * Bug fixes, mostly. - * - * Revision 1.1 1995/02/09 15:51:45 quinn - * Works better now. * + * $Id: ber_any.c,v 1.22 2003-02-14 18:49:23 adam Exp $ */ +#if HAVE_CONFIG_H +#include +#endif +#include -#include +#include "odr-priv.h" 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; @@ -70,7 +28,6 @@ int ber_any(ODR o, Odr_any **p) 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) @@ -92,6 +49,47 @@ 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)