X-Git-Url: http://git.indexdata.com/?p=yaz-moved-to-github.git;a=blobdiff_plain;f=odr%2Fber_any.c;h=9ca2cb255bf3973128a068c3c05df4e50665c15b;hp=84d07a6727af00a6c9ee1babd0eaef5d87bc83e8;hb=754b0cc078d975dc04dfb1e58e93780935a53a49;hpb=fb2db0abc51ed82583dc4600fd4ff035c96f7d79 diff --git a/odr/ber_any.c b/odr/ber_any.c index 84d07a6..9ca2cb2 100644 --- a/odr/ber_any.c +++ b/odr/ber_any.c @@ -1,10 +1,54 @@ /* - * Copyright (C) 1994, Index Data I/S - * All rights reserved. - * Sebastian Hammer, Adam Dickmeiss + * Copyright (c) 1995-2000, Index Data + * See the file LICENSE for details. * * $Log: ber_any.c,v $ - * Revision 1.4 1995-02-14 11:54:33 quinn + * Revision 1.18 2000-02-29 13:44:55 adam + * Check for config.h (currently not generated). + * + * Revision 1.17 2000/01/31 13:15:21 adam + * Removed uses of assert(3). Cleanup of ODR. CCL parser update so + * that some characters are not surrounded by spaces in resulting term. + * ILL-code updates. + * + * Revision 1.16 1999/11/30 13:47:11 adam + * Improved installation. Moved header files to include/yaz. + * + * 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 @@ -17,46 +61,50 @@ * Works better now. * */ - -#include +#if HAVE_CONFIG_H +#include +#endif +#include 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, 1000)) <= 0) /* FIX THIS */ + if ((res = completeBER(o->bp, left)) <= 0) /* FIX THIS */ + { + o->error = OPROTO; return 0; - (*p)->buf = nalloc(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 ((*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 0. */ -int 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 ((res = ber_dectag(b, &zclass, &tag, &cons)) <= 0) return 0; if (res > len) return 0; @@ -72,15 +120,17 @@ int completeBER(unsigned char *buf, int len) return (len >= ll ? ll + (b-buf) : 0); if (!cons) return 0; - while (1) + /* constructed - cycle through children */ + while (len >= 2) { + 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; }