mirror of https://github.com/libssh2/libssh2.git synced 2025-10-24 14:53:03 +03:00

Files

Viktor Szakats b889b39945 docs: convert man page sources to "curldown" format

To render in Git webviews as-is, to make it easier to edit, verify,
and to sync up with curl.

- add options to not build the `.3` man pages:
  - autotools: `--disable-docs`
  - cmake: `LIBSSH2_BUILD_DOCS=OFF`
- building `.3` man pages requires Perl after this patch.
- drop `mansyntax` and the shell / `grep` / GNU `man` tool requirements with it.
- scripts and most logic were copied from curl.
- add `cd2nroff` from curl, with edits to relax curl-specific checks.
- used `nroff2cd` (from curl) to convert from `.3` to `.md`. Then
  manually fixed copyrights, inline function references and a couple
  of other things.

Credits-to: Daniel Stenberg

Ref: eefcc1bda4
Ref: https://github.com/curl/curl/pull/12730
Ref: https://github.com/libssh2/www/issues/25#issuecomment-3289431671

Closes #1660

2025-10-09 04:05:38 +02:00

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c, SPDX-License-Identifier, Title, Section, Source, See-also

SPDX-License-Identifier

Title

Section

Source

See-also

BSD-3-Clause

libssh2_channel_direct_tcpip_ex

libssh2

libssh2_session_init_ex(3)

NAME

libssh2_channel_direct_tcpip_ex - Tunnel a TCP connection through an SSH session

SYNOPSIS

#include <libssh2.h>

LIBSSH2_CHANNEL *
libssh2_channel_direct_tcpip_ex(LIBSSH2_SESSION *session,
                                const char *host, int port,
                                const char *shost, int sport);

LIBSSH2_CHANNEL *
libssh2_channel_direct_tcpip(LIBSSH2_SESSION *session,
                             const char *host, int port);

DESCRIPTION

session - Session instance as returned by libssh2_session_init_ex(3)

host - Third party host to connect to using the SSH host as a proxy.

port - Port on third party host to connect to.

shost - Host to tell the SSH server the connection originated on.

sport - Port to tell the SSH server the connection originated from.

Tunnel a TCP/IP connection through the SSH transport via the remote host to a third party. Communication from the client to the SSH server remains encrypted, communication from the server to the 3rd party host travels in cleartext.

RETURN VALUE

Pointer to a newly allocated LIBSSH2_CHANNEL instance, or NULL on errors.

ERRORS

LIBSSH2_ERROR_ALLOC - An internal memory allocation call failed.

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