Developers,
Vincent Jaulin gave me a function that isn't in your library. It lets
the open shell session receive resize hints. Would you add it to the
library please? Here's the code and I can verify that it works.
Thanks,
Paul Thomas
code
----------------------------------
LIBSSH2_API int
libssh2_channel_request_pty_size(LIBSSH2_CHANNEL * channel, int width,
int height,
int width_px, int height_px)
{
LIBSSH2_SESSION *session = channel->session;
unsigned char *s, *data;
static const unsigned char reply_codes[3] =
{ SSH_MSG_CHANNEL_SUCCESS, SSH_MSG_CHANNEL_FAILURE, 0 };
unsigned long data_len;
int rc;
if (channel->reqPTY_state == libssh2_NB_state_idle) {
/* 41 = packet_type(1) + channel(4) + pty_req_len(4) +
"window-change"(13) +
* want_reply(1) + width(4) + height(4) + width_px(4) +
* height_px(4) */
channel->reqPTY_packet_len = 39;
/* Zero the whole thing out */
memset(&channel->reqPTY_packet_requirev_state, 0,
sizeof(channel->reqPTY_packet_requirev_state));
_libssh2_debug(session, LIBSSH2_DBG_CONN,
"changing tty size on channel %lu/%lu",
channel->local.id,
channel->remote.id);
s = channel->reqPTY_packet =
LIBSSH2_ALLOC(session, channel->reqPTY_packet_len);
if (!channel->reqPTY_packet) {
libssh2_error(session, LIBSSH2_ERROR_ALLOC,
"Unable to allocate memory for pty-request", 0);
return -1;
}
*(s++) = SSH_MSG_CHANNEL_REQUEST;
libssh2_htonu32(s, channel->remote.id);
s += 4;
libssh2_htonu32(s, sizeof("window-change") - 1);
s += 4;
memcpy(s, "window-change", sizeof("window-change") - 1);
s += sizeof("window-change") - 1;
*(s++) = 0x00; // Don't reply
libssh2_htonu32(s, width);
s += 4;
libssh2_htonu32(s, height);
s += 4;
libssh2_htonu32(s, width_px);
s += 4;
libssh2_htonu32(s, height_px);
s += 4;
channel->reqPTY_state = libssh2_NB_state_created;
}
if (channel->reqPTY_state == libssh2_NB_state_created) {
rc = libssh2_packet_write(session, channel->reqPTY_packet,
channel->reqPTY_packet_len);
if (rc == PACKET_EAGAIN) {
return PACKET_EAGAIN;
} else if (rc) {
libssh2_error(session, LIBSSH2_ERROR_SOCKET_SEND,
"Unable to send window-change packet", 0);
LIBSSH2_FREE(session, channel->reqPTY_packet);
channel->reqPTY_packet = NULL;
channel->reqPTY_state = libssh2_NB_state_idle;
return -1;
}
LIBSSH2_FREE(session, channel->reqPTY_packet);
channel->reqPTY_packet = NULL;
libssh2_htonu32(channel->reqPTY_local_channel, channel->local.id);
channel->reqPTY_state = libssh2_NB_state_sent;
return 0;
}
channel->reqPTY_state = libssh2_NB_state_idle;
return -1;
}
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