search for: packet_put_int

...uint32 initial window size uint32 maximum packet size string socket path However, the implementation tacks some additional data to the end: packet_start(SSH2_MSG_CHANNEL_OPEN); packet_put_cstring(rtype); packet_put_int(c->self); packet_put_int(c->local_window_max); packet_put_int(c->local_maxpacket); if (strcmp(rtype, "direct-tcpip") == 0) { /* target host, port */ packet_put_cstring(c->path);...

...2_MSG_GLOBAL_REQUEST); packet_put_cstring("tcpip-forward"); - packet_put_char(0); /* boolean: want reply */ + /* Ask for reply so we know to expect 'forwarded-tcpip' messages */ + packet_put_char(1); /* Boolean 1 asks for reply */ packet_put_cstring(address_to_bind); packet_put_int(listen_port); - } else { + packet_send(); + packet_write_wait(); + + type = packet_read(&payload_len); /* Expect reply from server */ + switch (type) { + case SSH2_MSG_REQUEST_SUCCESS: + success = 1; + break; + case SSH2_MSG_REQUEST_FAILURE: + log("Warning: Server doesn't d...

...0, xstrdup(buf)); if (compat20) { packet_start(SSH2_MSG_CHANNEL_OPEN); - packet_put_cstring("direct-tcpip"); + if (c->type == SSH2_CHANNEL_PORT_LISTENER) + packet_put_cstring("forwarded-tcpip"); + else + packet_put_cstring("direct-tcpip"); packet_put_int(newch); packet_put_int(c->local_window_max); packet_put_int(c->local_maxpacket); @@ -786,10 +799,12 @@ channel_pre[SSH_CHANNEL_OPEN] = &channel_pre_open_20; channel_pre[SSH_CHANNEL_X11_OPEN] = &channel_pre_x11_open; channel_pre[SSH_CHANNEL_PORT_LISTENER] = &channe...

...ussion going :). Please see the two attached files for the patch. Due to their size, I?ve not posted them in-line. The way it currently (!) works: 1) Use ?AuthenticationMethods publickey,u2f? in sshd_config (or <whatever>,u2f) 2) Recompile SSH with the patch and change userauth_u2f() to use packet_put_int(0) (== registration) instead of packet_put_int(1) (== authentication). Sorry about that. See my question below. 3) You need to do this step only once: ssh into your server, touch your security key when prompted, and you?ll see a ssh-u2f key line, which you should copy&paste into the server?s ~/...

...ot;, rbits, bits); log("Warning: This may be due to an old implementation of ssh."); --- sshd.c.O Thu Jul 5 10:49:10 2001 +++ sshd.c Thu Jul 5 10:49:27 2001 @@ -1217,7 +1217,12 @@ packet_put_bignum(sensitive_data.server_key->rsa->n); /* Store our public host RSA key. */ - packet_put_int(BN_num_bits(sensitive_data.ssh1_host_key->rsa->n)); + len = BN_num_bits(sensitive_data.ssh1_host_key->rsa->n); + if ((datafellows & SSH_BUG_SERVERLIESSIZE) && (len & 1)) { + /* old ssh client expects even number for host key */ + len += 1; + } + packet_put_int(le...

...0, xstrdup(buf), 1); if (compat20) { packet_start(SSH2_MSG_CHANNEL_OPEN); - packet_put_cstring("direct-tcpip"); + if (c->type == SSH2_CHANNEL_PORT_LISTENER) + packet_put_cstring("forwarded-tcpip"); + else + packet_put_cstring("direct-tcpip"); packet_put_int(newch); packet_put_int(c->local_window_max); packet_put_int(c->local_maxpacket); @@ -820,10 +826,12 @@ channel_pre[SSH_CHANNEL_OPEN] = &channel_pre_open_20; channel_pre[SSH_CHANNEL_X11_OPEN] = &channel_pre_x11_open; channel_pre[SSH_CHANNEL_PORT_LISTENER] = &channe...

hello short description: ssh client sends a wrong all-zero terminal info when requesting forced pseudo-terminal allocation while stdin is not a terminal. sshd then sets the terminals ospeed to 0 because it receives this information from the client. on solaris this means that the pseudo-terminal is closed and output of any remote command is dropped. longer description: what we're doing is

...) + tcpwinsz = MAXBUFSZ/2; + } + if (c->dynamic_window && (ret == 0) && + (2*tcpwinsz > c->local_window_max)) { + addition = 2 * tcpwinsz - c->local_window_max; + c->local_window_max += addition; + } packet_start(SSH2_MSG_CHANNEL_WINDOW_ADJUST); packet_put_int(c->remote_id); - packet_put_int(c->local_consumed); + packet_put_int(c->local_consumed + addition); packet_send(); debug2("channel %d: window %d sent adjust %d", c->self, c->local_window, c->local_consumed); - c->local_window += c->local_cons...

Hi All, I am trying to decode the message received from openssh client 3.1.0 Following is the third message which I received. length = 0000 008c padding length = 06 messagetype = 1e (SSH2_MSG_KEX_DH_GEX_REQUEST_OLD) padding = b8 218e c680 and the next four byte should have the n which is 0000 0080 which is less than 1024. 0000 008c 061e 0000 0080 2a19 a9e4 05fb aee2 b107 4fa9 f0c1 83d3 3bf0

Setup :: PC (cygwin) <-> Terminal Server (InReach) <-> Sun Server (Solaris 8) Scenarios : Using Tera Term Pro with ssh extension, I connect to the Terminal Server via ssh and I can use 'Control -> Send Break' to send the break sequence to drop the Sun Server into its 'ok prompt'. Using ssh via cygwin, I tried to do '~ ctrl-B', but it will not

...O_RCVBUF, &tcpwinsz, &optsz); + if (c->dynamic_window && (ret == 0) && + (tcpwinsz > c->local_window_max)) { + addition = 2 * tcpwinsz - c->local_window_max; + c->local_window_max += addition; + } packet_start(SSH2_MSG_CHANNEL_WINDOW_ADJUST); packet_put_int(c->remote_id); - packet_put_int(c->local_consumed); + packet_put_int(c->local_consumed + addition); packet_send(); debug2("channel %d: window %d sent adjust %d", c->self, c->local_window, c->local_consumed); - c->local_window += c->local_cons...

...the problem: --- openssh-7.3p1.orig/channels.c +++ openssh-7.3p1/channels.c @@ -1458,7 +1458,7 @@ port_open_helper(Channel *c, char *rtype } else { /* listen address, port */ packet_put_cstring(c->path); - packet_put_int(local_port); + packet_put_int(c->listening_port); } if (strcmp(rtype, "forwarded-streamlocal at openssh.com") == 0) { /* reserved for future owner/mode info */ This is also Debian bug #846379 (https://...

...Looking closer at the sshd log: debug1: client_input_channel_req: channel 0 rtype exit-signal reply 0 The code for this is in session_exit_message() and looks like: if (WIFEXITED(status)) { channel_request_start(s->chanid, "exit-status", 0); packet_put_int(WEXITSTATUS(status)); packet_send(); } else if (WIFSIGNALED(status)) { channel_request_start(s->chanid, "exit-signal", 0); so your printf is probably dying with a signal rather than exiting. Which signal? dunno, but my guess would be SIGPIPE....

Hello I have ported OpenSSH 3.8p1 to a LynxOS platform. Recently I heard a report from the field that v2 is perceived to be significantly slower than v1. Is this a known issue? Are there any configuration parameters that can be modified to make v2 faster? Thanks in advance for your response Amba

Greetings, I've been doing a little testing with the stdio forwarding support added in recent snapshots and have encountered one possible issue. First, I should say that this feature generally seems to work. However, I haven't been able to get it to work when connecting to a server running SSH.COM's product. The config file I am using is fairly simple: Host sfe1 LogLevel debug3

.../* Name */ - packet_put_cstring(""); /* Instructions */ + + if (text) { + packet_put_cstring(text); + xfree(text); + text = NULL; + } else + packet_put_cstring(""); /* Instructions */ + packet_put_cstring(""); /* Language */ packet_put_int(context_pam2.num_expected); @@ -96,12 +103,7 @@ continue; context_pam2.prompts[j++] = i; - if (text) { - message_cat(&text, PAM_MSG_MEMBER(msg, i, msg)); - packet_put_cstring(text); - text = NULL; - } els...

I am testing with a 5.4p1 client and have noticed, on the server side, that sometimes an SSH_MSG_DISCONNECT message is received with the following 28-byte long payload: 0x00 0x00 0x00 0x0b Reason: SSH_DISCONNECT_BY_APPLICATION 0x00 0x00 0x00 0x14 Description string length: 20 bytes 0x64 0x69 0x73 0x63 0x6f 0x6e 0x6e 0x65

..._kex->done = 0; kex_send_kexinit(xxx_kex); need_rekeying = 0; + } + if (send_signal == 2) { + send_signal = 0; + signame = sig2name(received_signal); + debug("Sending SIG%s to the remote host.", + signame); + packet_start(SSH2_MSG_CHANNEL_REQUEST); + packet_put_int(session_ident); + packet_put_cstring("signal"); + packet_put_char(0); + packet_put_cstring(signame); + packet_send(); } } Index: session.c =================================================================== RCS file: /cvs/src/usr.bin/ssh/session.c,v retrieving revisio...

...ode for this in server_input_global_request() in server loop.c is: if (want_reply) { packet_start(success ? SSH2_MSG_REQUEST_SUCCESS : SSH2_MSG_REQUEST_FAILURE); if (success && allocated_listen_port > 0) packet_put_int(allocated_listen_port); packet_send(); packet_write_wait(); } Note the test for "allocated_listen_port > 0". However, the new code in OpenSSH 6.8 does the following: if ((r = sshbuf_put_u32(resp, allocated_listen_port)) != 0)...

https://bugzilla.mindrot.org/show_bug.cgi?id=2147 Bug ID: 2147 Summary: OpenSSH remote forwarding of dynamic ports doesn't work when you create more than one Product: Portable OpenSSH Version: -current Hardware: All OS: All Status: NEW Severity: normal Priority: P5