- 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)
+ if ((res = ber_dectag(b, &zclass, &tag, &cons, len)) <= 0)