Mercurial > dropbear

comparison packet.c @ 448:9c61e7af0156

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Rearrange the channel buffer sizes into three neat use-editable values in options.h. Increasing RECV_MAX_WINDOW gives big network performance increases - even with the present buffers (which haven't changed) it performs a lot better. Next step is to make the window size a cmdline option.
author Matt Johnston <matt@ucc.asn.au>
date Tue, 24 Jul 2007 15:40:23 +0000
parents 695413c59b6a
children 4cab61369879
comparison
equal deleted inserted replaced
447:278805938dcf 448:9c61e7af0156
210 len = buf_getint(ses.decryptreadbuf) + 4 + macsize; 210 len = buf_getint(ses.decryptreadbuf) + 4 + macsize;
211 211
212 buf_setpos(ses.readbuf, blocksize); 212 buf_setpos(ses.readbuf, blocksize);
213 213
214 /* check packet length */ 214 /* check packet length */
215 if ((len > MAX_PACKET_LEN) || 215 if ((len > RECV_MAX_PACKET_LEN) ||
216 (len < MIN_PACKET_LEN + macsize) || 216 (len < MIN_PACKET_LEN + macsize) ||
217 ((len - macsize) % blocksize != 0)) { 217 ((len - macsize) % blocksize != 0)) {
218 dropbear_exit("bad packet size %d", len); 218 dropbear_exit("bad packet size %d", len);
219 } 219 }
220 220
279 padlen = buf_getbyte(ses.decryptreadbuf); 279 padlen = buf_getbyte(ses.decryptreadbuf);
280 280
281 /* payload length */ 281 /* payload length */
282 /* - 4 - 1 is for LEN and PADLEN values */ 282 /* - 4 - 1 is for LEN and PADLEN values */
283 len = ses.decryptreadbuf->len - padlen - 4 - 1; 283 len = ses.decryptreadbuf->len - padlen - 4 - 1;
284 if ((len > MAX_PAYLOAD_LEN) || (len < 1)) { 284 if ((len > RECV_MAX_PAYLOAD_LEN) || (len < 1)) {
285 dropbear_exit("bad packet size"); 285 dropbear_exit("bad packet size");
286 } 286 }
287 287
288 buf_setpos(ses.decryptreadbuf, PACKET_PAYLOAD_OFF); 288 buf_setpos(ses.decryptreadbuf, PACKET_PAYLOAD_OFF);
289 289