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b889b39945
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- 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
57 lines
1.6 KiB
Markdown
57 lines
1.6 KiB
Markdown
---
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c: Copyright (C) The libssh2 project and its contributors.
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SPDX-License-Identifier: BSD-3-Clause
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Title: libssh2_userauth_list
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Section: 3
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Source: libssh2
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See-also:
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- libssh2_session_init_ex(3)
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---
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# NAME
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libssh2_userauth_list - list supported authentication methods
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# SYNOPSIS
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~~~c
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#include <libssh2.h>
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char *
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libssh2_userauth_list(LIBSSH2_SESSION *session,
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const char *username,
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unsigned int username_len);
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~~~
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# DESCRIPTION
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*session* - Session instance as returned by libssh2_session_init_ex(3)
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*username* - Username which will be used while authenticating. Note that
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most server implementations do not permit attempting authentication with
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different usernames between requests. Therefore this must be the same username
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you will use on later userauth calls.
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*username_len* - Length of username parameter.
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Send a **SSH_USERAUTH_NONE** request to the remote host. Unless the remote
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host is configured to accept none as a viable authentication scheme
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(unlikely), it will return **SSH_USERAUTH_FAILURE** along with a listing of
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what authentication schemes it does support. In the unlikely event that none
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authentication succeeds, this method with return NULL. This case may be
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distinguished from a failing case by examining
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*libssh2_userauth_authenticated(3)*.
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# RETURN VALUE
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On success a comma delimited list of supported authentication schemes. This
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list is internally managed by libssh2. On failure returns NULL.
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# ERRORS
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*LIBSSH2_ERROR_ALLOC* - An internal memory allocation call failed.
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*LIBSSH2_ERROR_SOCKET_SEND* - Unable to send data on socket.
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*LIBSSH2_ERROR_EAGAIN* - Marked for non-blocking I/O but the call
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