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61 lines
2.3 KiB
Groff
61 lines
2.3 KiB
Groff
.\" Copyright (C) The libssh2 project and its contributors.
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.\" SPDX-License-Identifier: BSD-3-Clause
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.TH libssh2_userauth_password_ex 3 "1 Jun 2007" "libssh2 0.15" "libssh2"
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.SH NAME
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libssh2_userauth_password_ex - authenticate a session with username and password
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.SH SYNOPSIS
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.nf
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#include <libssh2.h>
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int
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libssh2_userauth_password_ex(LIBSSH2_SESSION *session,
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const char *username,
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unsigned int username_len,
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const char *password,
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unsigned int password_len,
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LIBSSH2_PASSWD_CHANGEREQ_FUNC((*passwd_change_cb)));
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#define libssh2_userauth_password(session, username, password) \\
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libssh2_userauth_password_ex((session), (username), \\
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strlen(username), \\
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(password), strlen(password), NULL)
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.fi
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.SH DESCRIPTION
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\fIsession\fP - Session instance as returned by
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.BR libssh2_session_init_ex(3)
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\fIusername\fP - Name of user to attempt plain password authentication for.
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\fIusername_len\fP - Length of username parameter.
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\fIpassword\fP - Password to use for authenticating username.
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\fIpassword_len\fP - Length of password parameter.
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\fIpasswd_change_cb\fP - If the host accepts authentication but
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requests that the password be changed, this callback will be issued.
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If no callback is defined, but server required password change,
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authentication will fail.
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Attempt basic password authentication. Note that many SSH servers
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which appear to support ordinary password authentication actually have
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it disabled and use Keyboard Interactive authentication (routed via
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PAM or another authentication backed) instead.
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.SH RETURN VALUE
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Return 0 on success or negative on failure. It returns
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LIBSSH2_ERROR_EAGAIN when it would otherwise block. While
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LIBSSH2_ERROR_EAGAIN is a negative number, it is not really a failure per se.
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.SH ERRORS
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Some of the errors this function may return include:
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\fILIBSSH2_ERROR_ALLOC\fP - An internal memory allocation call failed.
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\fILIBSSH2_ERROR_SOCKET_SEND\fP - Unable to send data on socket.
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\fILIBSSH2_ERROR_PASSWORD_EXPIRED\fP -
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\fILIBSSH2_ERROR_AUTHENTICATION_FAILED\fP - failed, invalid username/password
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or public/private key.
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.SH SEE ALSO
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.BR libssh2_session_init_ex(3)
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