X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=odr%2Fber_any.c;h=5328dee1561034394b487b9c3047b31d2407c3a2;hb=c620a713f1418315efcd4e6fab225e036775d365;hp=1280040c3a40b027d5c93e269a49315388719272;hpb=06670a04cc9789bc938174a5e99ddaff97386867;p=yaz-moved-to-github.git diff --git a/odr/ber_any.c b/odr/ber_any.c index 1280040..5328dee 100644 --- a/odr/ber_any.c +++ b/odr/ber_any.c @@ -2,7 +2,7 @@ * Copyright (c) 1995-2003, Index Data * See the file LICENSE for details. * - * $Id: ber_any.c,v 1.20 2003-01-06 08:20:27 adam Exp $ + * $Id: ber_any.c,v 1.21 2003-02-12 15:06:43 adam Exp $ */ #if HAVE_CONFIG_H #include @@ -47,6 +47,47 @@ 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)