crypto/openssh/channels.c

10  * As far as I am concerned, the code I have written for this software
148 	 * case on the server on which we have to trust the client anyway,
179 	 * channels which have c->io_ready events pending.
1453 	u_int len, have, i, found, need;
1465 	have = sshbuf_len(input);
1467 	if (have < len)
1479 	for (found = 0, i = len; i < have; i++) {
1501 	have = sshbuf_len(input);
1503 	if (memchr(p, '\0', have) == NULL) {
1519 		have = sshbuf_len(input);
1521 		if (memchr(p, '\0', have) == NULL) {
1580 	u_int have, need, i, found, nmethods, addrlen, af;
1587 	have = sshbuf_len(input);
1590 		if (have < 2)
1593 		if (have < nmethods + 2)
1618 	if (have < sizeof(s5_req)+1)
1647 	if (have < need)
1724 	u_int have;
1728 	have = sshbuf_len(c->input);
1729 	debug2("channel %d: pre_dynamic: have %d", c->self, have);
1732 	if (have < 3) {
1779 	u_int have, len;
1782 	have = sshbuf_len(c->output);
1783 	debug2("channel %d: pre_rdynamic: have %d", c->self, have);
1787 		if ((r = sshbuf_consume(c->output, have)) != 0)
1793 	if (have < 3)
2115 	size_t nr = 0, have, avail, maxlen = CHANNEL_MAX_READ;
2135 		/* Only OPEN channels have valid rwin */
2137 			if ((have = sshbuf_len(c->input)) >= c->remote_window)
2139 			if (maxlen > c->remote_window - have)
2140 				maxlen = c->remote_window - have;
2589 		/* if we still have a callback */
2864  * After poll, perform any appropriate operations for channels which have
2987 		 * usually suboptimal compared to head-drop. Better to have
3076 		 * We are only interested in channels that can have buffered
3103  * When multiplexing channel messages for mux clients we have to deal
3110  *      downstream client, we have to replace the channel IDs used by the
3129  * 6) Agent and X11-Forwarding have a similar problem and are currently
3148 	size_t have;
3153 	if ((r = sshbuf_get_string_direct(downstream->input, &cp, &have))
3158 	if (have < 2) {
3165 	have -= 2;
3172 		if ((original = sshbuf_from(cp, have)) == NULL ||
3199 		if ((original = sshbuf_from(cp, have)) == NULL ||
3224 		if ((original = sshbuf_from(cp, have)) == NULL) {
3252 		if (have < 4)
3272 		    (r = sshpkt_put(ssh, cp, have)) != 0 ||
4954 	 * We need to open the channel before we have a FD,
5206 			/* OK, we now have a connection to the display. */
5229 		/* OK, we now have a connection to the display. */