X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=odr%2Fber_any.c;h=35c0a83302da5f1526a56a44a5e9e1e235693518;hb=04cde6d037338d3128c77698d4c8a7f03010db1e;hp=8c661f0655b1dec35310c11a6c3d797ebb9010ce;hpb=10981b2f116449523a9f628c20a78212ce91553e;p=yaz-moved-to-github.git diff --git a/odr/ber_any.c b/odr/ber_any.c index 8c661f0..35c0a83 100644 --- a/odr/ber_any.c +++ b/odr/ber_any.c @@ -4,7 +4,19 @@ * Sebastian Hammer, Adam Dickmeiss * * $Log: ber_any.c,v $ - * Revision 1.1 1995-02-09 15:51:45 quinn + * 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. * */ @@ -18,7 +30,7 @@ int ber_any(ODR o, Odr_any **p) switch (o->direction) { case ODR_DECODE: - if ((res = completeBER(o->bp, o->left)) <= 0) + if ((res = completeBER(o->bp, 1000)) <= 0) /* FIX THIS */ return 0; (*p)->buf = nalloc(o, res); memcpy((*p)->buf, o->bp, res); @@ -38,40 +50,42 @@ int ber_any(ODR o, Odr_any **p) } /* - * 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; unsigned char *b = buf; + if (!len) + return 0; if (!buf[0] && !buf[1]) - return -1; + return 0; if ((res = ber_dectag(b, &class, &tag, &cons)) <= 0) return 0; if (res > len) - return -1; + return 0; b += res; len -= res; if ((res = ber_declen(b, &ll)) <= 0) - return -1; + return 0; if (res > len) - return -1; + return 0; b += res; len -= res; if (ll >= 0) - return (len >= ll ? len + (b-buf) : -1); + return (len >= ll ? ll + (b-buf) : 0); if (!cons) - return -1; - while (1) + return 0; + /* constructed - cycle through children */ + while (len >= 2) { - if ((res = completeBER(b, len)) < 0) - return -1; + if (*b == 0 && *(b + 1) == 0) + break; + if (!(res = completeBER(b, len))) + return 0; b += res; len -= res; - if (len < 2) - return -1; - if (*b == 0 && *(b + 1) == 0) - return (b - buf) + 2; } + return (b - buf) + 2; }