зеркало из https://github.com/Azure/sonic-openssh.git
- markus@cvs.openbsd.org 2002/01/09 17:16:00
[channels.c]
merge channel_pre_open_15/channel_pre_open_20; ok provos@
This commit is contained in:
Damien Miller
Родитель
a1db12bac4
Коммит
de6987c2b9
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@ -103,6 +103,9 @@
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- markus@cvs.openbsd.org 2002/01/09 13:49:27
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[ssh-keygen.c]
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append \n only for public keys
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- markus@cvs.openbsd.org 2002/01/09 17:16:00
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[channels.c]
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merge channel_pre_open_15/channel_pre_open_20; ok provos@
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20020121
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@ -7251,4 +7254,4 @@
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- Wrote replacements for strlcpy and mkdtemp
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- Released 1.0pre1
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$Id: ChangeLog,v 1.1752 2002/01/22 12:20:15 djm Exp $
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$Id: ChangeLog,v 1.1753 2002/01/22 12:20:40 djm Exp $
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60
channels.c
60
channels.c
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@ -39,7 +39,7 @@
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*/
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#include "includes.h"
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RCSID("$OpenBSD: channels.c,v 1.156 2002/01/05 10:43:40 markus Exp $");
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RCSID("$OpenBSD: channels.c,v 1.157 2002/01/09 17:16:00 markus Exp $");
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#include "ssh.h"
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#include "ssh1.h"
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@ -703,28 +703,13 @@ channel_pre_open_13(Channel *c, fd_set * readset, fd_set * writeset)
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}
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static void
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channel_pre_open_15(Channel *c, fd_set * readset, fd_set * writeset)
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channel_pre_open(Channel *c, fd_set * readset, fd_set * writeset)
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{
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/* test whether sockets are 'alive' for read/write */
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if (c->istate == CHAN_INPUT_OPEN)
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if (buffer_len(&c->input) < packet_get_maxsize())
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FD_SET(c->sock, readset);
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if (c->ostate == CHAN_OUTPUT_OPEN ||
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c->ostate == CHAN_OUTPUT_WAIT_DRAIN) {
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if (buffer_len(&c->output) > 0) {
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FD_SET(c->sock, writeset);
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} else if (c->ostate == CHAN_OUTPUT_WAIT_DRAIN) {
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chan_obuf_empty(c);
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}
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}
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}
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u_int limit = compat20 ? c->remote_window : packet_get_maxsize();
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static void
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channel_pre_open_20(Channel *c, fd_set * readset, fd_set * writeset)
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{
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if (c->istate == CHAN_INPUT_OPEN &&
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c->remote_window > 0 &&
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buffer_len(&c->input) < c->remote_window)
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limit > 0 &&
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buffer_len(&c->input) < limit)
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FD_SET(c->rfd, readset);
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if (c->ostate == CHAN_OUTPUT_OPEN ||
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c->ostate == CHAN_OUTPUT_WAIT_DRAIN) {
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@ -735,7 +720,7 @@ channel_pre_open_20(Channel *c, fd_set * readset, fd_set * writeset)
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}
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}
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/** XXX check close conditions, too */
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if (c->efd != -1) {
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if (compat20 && c->efd != -1) {
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if (c->extended_usage == CHAN_EXTENDED_WRITE &&
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buffer_len(&c->extended) > 0)
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FD_SET(c->efd, writeset);
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@ -867,10 +852,7 @@ channel_pre_x11_open(Channel *c, fd_set * readset, fd_set * writeset)
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if (ret == 1) {
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c->type = SSH_CHANNEL_OPEN;
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if (compat20)
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channel_pre_open_20(c, readset, writeset);
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else
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channel_pre_open_15(c, readset, writeset);
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channel_pre_open(c, readset, writeset);
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} else if (ret == -1) {
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log("X11 connection rejected because of wrong authentication.");
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debug("X11 rejected %d i%d/o%d", c->self, c->istate, c->ostate);
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@ -1422,23 +1404,15 @@ channel_check_window(Channel *c)
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}
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static void
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channel_post_open_1(Channel *c, fd_set * readset, fd_set * writeset)
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channel_post_open(Channel *c, fd_set * readset, fd_set * writeset)
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{
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if (c->delayed)
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return;
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channel_handle_rfd(c, readset, writeset);
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channel_handle_wfd(c, readset, writeset);
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}
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static void
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channel_post_open_2(Channel *c, fd_set * readset, fd_set * writeset)
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{
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if (c->delayed)
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if (!compat20)
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return;
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channel_handle_rfd(c, readset, writeset);
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channel_handle_wfd(c, readset, writeset);
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channel_handle_efd(c, readset, writeset);
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channel_check_window(c);
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}
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@ -1460,7 +1434,7 @@ channel_post_output_drain_13(Channel *c, fd_set * readset, fd_set * writeset)
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static void
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channel_handler_init_20(void)
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{
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channel_pre[SSH_CHANNEL_OPEN] = &channel_pre_open_20;
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channel_pre[SSH_CHANNEL_OPEN] = &channel_pre_open;
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channel_pre[SSH_CHANNEL_X11_OPEN] = &channel_pre_x11_open;
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channel_pre[SSH_CHANNEL_PORT_LISTENER] = &channel_pre_listener;
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channel_pre[SSH_CHANNEL_RPORT_LISTENER] = &channel_pre_listener;
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@ -1469,13 +1443,13 @@ channel_handler_init_20(void)
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channel_pre[SSH_CHANNEL_CONNECTING] = &channel_pre_connecting;
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channel_pre[SSH_CHANNEL_DYNAMIC] = &channel_pre_dynamic;
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channel_post[SSH_CHANNEL_OPEN] = &channel_post_open_2;
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channel_post[SSH_CHANNEL_OPEN] = &channel_post_open;
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channel_post[SSH_CHANNEL_PORT_LISTENER] = &channel_post_port_listener;
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channel_post[SSH_CHANNEL_RPORT_LISTENER] = &channel_post_port_listener;
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channel_post[SSH_CHANNEL_X11_LISTENER] = &channel_post_x11_listener;
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channel_post[SSH_CHANNEL_AUTH_SOCKET] = &channel_post_auth_listener;
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channel_post[SSH_CHANNEL_CONNECTING] = &channel_post_connecting;
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channel_post[SSH_CHANNEL_DYNAMIC] = &channel_post_open_2;
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channel_post[SSH_CHANNEL_DYNAMIC] = &channel_post_open;
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}
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static void
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@ -1491,19 +1465,19 @@ channel_handler_init_13(void)
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channel_pre[SSH_CHANNEL_CONNECTING] = &channel_pre_connecting;
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channel_pre[SSH_CHANNEL_DYNAMIC] = &channel_pre_dynamic;
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channel_post[SSH_CHANNEL_OPEN] = &channel_post_open_1;
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channel_post[SSH_CHANNEL_OPEN] = &channel_post_open;
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channel_post[SSH_CHANNEL_X11_LISTENER] = &channel_post_x11_listener;
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channel_post[SSH_CHANNEL_PORT_LISTENER] = &channel_post_port_listener;
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channel_post[SSH_CHANNEL_AUTH_SOCKET] = &channel_post_auth_listener;
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channel_post[SSH_CHANNEL_OUTPUT_DRAINING] = &channel_post_output_drain_13;
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channel_post[SSH_CHANNEL_CONNECTING] = &channel_post_connecting;
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channel_post[SSH_CHANNEL_DYNAMIC] = &channel_post_open_1;
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channel_post[SSH_CHANNEL_DYNAMIC] = &channel_post_open;
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}
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static void
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channel_handler_init_15(void)
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{
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channel_pre[SSH_CHANNEL_OPEN] = &channel_pre_open_15;
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channel_pre[SSH_CHANNEL_OPEN] = &channel_pre_open;
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channel_pre[SSH_CHANNEL_X11_OPEN] = &channel_pre_x11_open;
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channel_pre[SSH_CHANNEL_X11_LISTENER] = &channel_pre_listener;
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channel_pre[SSH_CHANNEL_PORT_LISTENER] = &channel_pre_listener;
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@ -1514,9 +1488,9 @@ channel_handler_init_15(void)
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channel_post[SSH_CHANNEL_X11_LISTENER] = &channel_post_x11_listener;
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channel_post[SSH_CHANNEL_PORT_LISTENER] = &channel_post_port_listener;
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channel_post[SSH_CHANNEL_AUTH_SOCKET] = &channel_post_auth_listener;
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channel_post[SSH_CHANNEL_OPEN] = &channel_post_open_1;
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channel_post[SSH_CHANNEL_OPEN] = &channel_post_open;
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channel_post[SSH_CHANNEL_CONNECTING] = &channel_post_connecting;
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channel_post[SSH_CHANNEL_DYNAMIC] = &channel_post_open_1;
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channel_post[SSH_CHANNEL_DYNAMIC] = &channel_post_open;
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}
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static void
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