diff options
Diffstat (limited to 'crypto/openssh/channels.c')
| -rw-r--r-- | crypto/openssh/channels.c | 34 |
1 files changed, 25 insertions, 9 deletions
diff --git a/crypto/openssh/channels.c b/crypto/openssh/channels.c index 29eaee7c4d60..6ff9e2583012 100644 --- a/crypto/openssh/channels.c +++ b/crypto/openssh/channels.c @@ -39,7 +39,7 @@ */ #include "includes.h" -RCSID("$OpenBSD: channels.c,v 1.179 2002/06/26 08:55:02 markus Exp $"); +RCSID("$OpenBSD: channels.c,v 1.183 2002/09/17 07:47:02 itojun Exp $"); #include "ssh.h" #include "ssh1.h" @@ -186,6 +186,7 @@ channel_register_fds(Channel *c, int rfd, int wfd, int efd, } else { c->isatty = 0; } + c->wfd_isatty = isatty(c->wfd); /* enable nonblocking mode */ if (nonblock) { @@ -572,6 +573,7 @@ void channel_send_open(int id) { Channel *c = channel_lookup(id); + if (c == NULL) { log("channel_send_open: %d: bad id", id); return; @@ -589,6 +591,7 @@ void channel_request_start(int local_id, char *service, int wantconfirm) { Channel *c = channel_lookup(local_id); + if (c == NULL) { log("channel_request_start: %d: unknown channel id", local_id); return; @@ -603,6 +606,7 @@ void channel_register_confirm(int id, channel_callback_fn *fn) { Channel *c = channel_lookup(id); + if (c == NULL) { log("channel_register_comfirm: %d: bad id", id); return; @@ -613,6 +617,7 @@ void channel_register_cleanup(int id, channel_callback_fn *fn) { Channel *c = channel_lookup(id); + if (c == NULL) { log("channel_register_cleanup: %d: bad id", id); return; @@ -623,6 +628,7 @@ void channel_cancel_cleanup(int id) { Channel *c = channel_lookup(id); + if (c == NULL) { log("channel_cancel_cleanup: %d: bad id", id); return; @@ -633,6 +639,7 @@ void channel_register_filter(int id, channel_filter_fn *fn) { Channel *c = channel_lookup(id); + if (c == NULL) { log("channel_register_filter: %d: bad id", id); return; @@ -645,6 +652,7 @@ channel_set_fds(int id, int rfd, int wfd, int efd, int extusage, int nonblock, u_int window_max) { Channel *c = channel_lookup(id); + if (c == NULL || c->type != SSH_CHANNEL_LARVAL) fatal("channel_activate for non-larval channel %d.", id); channel_register_fds(c, rfd, wfd, efd, extusage, nonblock); @@ -815,6 +823,7 @@ static void channel_pre_x11_open_13(Channel *c, fd_set * readset, fd_set * writeset) { int ret = x11_open_helper(&c->output); + if (ret == 1) { /* Start normal processing for the channel. */ c->type = SSH_CHANNEL_OPEN; @@ -866,7 +875,7 @@ channel_pre_x11_open(Channel *c, fd_set * readset, fd_set * writeset) static int channel_decode_socks4(Channel *c, fd_set * readset, fd_set * writeset) { - u_char *p, *host; + char *p, *host; int len, have, i, found; char username[256]; struct { @@ -1278,6 +1287,11 @@ channel_handle_wfd(Channel *c, fd_set * readset, fd_set * writeset) buffer_len(&c->output) > 0) { data = buffer_ptr(&c->output); dlen = buffer_len(&c->output); +#ifdef _AIX + /* XXX: Later AIX versions can't push as much data to tty */ + if (compat20 && c->wfd_isatty && dlen > 8*1024) + dlen = 8*1024; +#endif len = write(c->wfd, data, dlen); if (len < 0 && (errno == EINTR || errno == EAGAIN)) return 1; @@ -1395,6 +1409,7 @@ static void channel_post_output_drain_13(Channel *c, fd_set * readset, fd_set * writeset) { int len; + /* Send buffered output data to the socket. */ if (FD_ISSET(c->sock, writeset) && buffer_len(&c->output) > 0) { len = write(c->sock, buffer_ptr(&c->output), @@ -1472,6 +1487,7 @@ static void channel_handler_init(void) { int i; + for (i = 0; i < SSH_CHANNEL_MAX_TYPE; i++) { channel_pre[i] = NULL; channel_post[i] = NULL; @@ -2006,7 +2022,6 @@ channel_setup_fwd_listener(int type, const char *listen_addr, u_short listen_por struct addrinfo hints, *ai, *aitop; const char *host; char ntop[NI_MAXHOST], strport[NI_MAXSERV]; - struct linger linger; success = 0; host = (type == SSH_CHANNEL_RPORT_LISTENER) ? @@ -2049,13 +2064,13 @@ channel_setup_fwd_listener(int type, const char *listen_addr, u_short listen_por continue; } /* - * Set socket options. We would like the socket to disappear - * as soon as it has been closed for whatever reason. + * Set socket options. + * Allow local port reuse in TIME_WAIT. */ - setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on)); - linger.l_onoff = 1; - linger.l_linger = 5; - setsockopt(sock, SOL_SOCKET, SO_LINGER, &linger, sizeof(linger)); + if (setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, &on, + sizeof(on)) == -1) + error("setsockopt SO_REUSEADDR: %s", strerror(errno)); + debug("Local forwarding listening on %s port %s.", ntop, strport); /* Bind the socket to the address. */ @@ -2605,6 +2620,7 @@ void deny_input_open(int type, u_int32_t seq, void *ctxt) { int rchan = packet_get_int(); + switch (type) { case SSH_SMSG_AGENT_OPEN: error("Warning: ssh server tried agent forwarding."); |