X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=odr%2Fber_any.c;h=6094f9a7f524a7ca04dd9300e2d4d3942210c65c;hb=29a22396d7d7b1219f5b83c35983c8fb1cd79e8f;hp=84d07a6727af00a6c9ee1babd0eaef5d87bc83e8;hpb=fb2db0abc51ed82583dc4600fd4ff035c96f7d79;p=yaz-moved-to-github.git diff --git a/odr/ber_any.c b/odr/ber_any.c index 84d07a6..6094f9a 100644 --- a/odr/ber_any.c +++ b/odr/ber_any.c @@ -1,68 +1,59 @@ /* - * Copyright (C) 1994, Index Data I/S - * All rights reserved. - * Sebastian Hammer, Adam Dickmeiss - * - * $Log: ber_any.c,v $ - * 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. + * Copyright (c) 1995-2003, Index Data + * See the file LICENSE for details. * + * $Id: ber_any.c,v 1.25 2003-05-20 17:22:54 adam Exp $ */ +#if HAVE_CONFIG_H +#include +#endif -#include +#include "odr-priv.h" int ber_any(ODR o, Odr_any **p) { int res; - + switch (o->direction) { - case ODR_DECODE: - if ((res = completeBER(o->bp, 1000)) <= 0) /* FIX THIS */ - return 0; - (*p)->buf = nalloc(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) - return 0; - memcpy(o->bp , (*p)->buf, (*p)->len); - o->bp += (*p)->len; - o->left -= (*p)->len; - return 1; - default: return 0; + case ODR_DECODE: + if ((res = completeBER(o->bp, odr_max(o))) <= 0) /* FIX THIS */ + { + odr_seterror(o, OPROTO, 2); + return 0; + } + (*p)->buf = (unsigned char *)odr_malloc(o, res); + memcpy((*p)->buf, o->bp, res); + (*p)->len = (*p)->size = res; + o->bp += res; + return 1; + case ODR_ENCODE: + if (odr_write(o, (*p)->buf, (*p)->len) < 0) + return 0; + return 1; + default: odr_seterror(o, OOTHER, 3); 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, len)) <= 0) return 0; if (res > len) return 0; b += res; len -= res; - if ((res = ber_declen(b, &ll)) <= 0) + if ((res = ber_declen(b, &ll, len)) <= 0) return 0; if (res > len) return 0; @@ -72,15 +63,17 @@ 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; }