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63 lines
2.4 KiB
Groff
63 lines
2.4 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_publickey_frommemory 3 "1 Sep 2014" "libssh2" "libssh2"
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.SH NAME
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libssh2_userauth_publickey_frommemory - authenticate a session with a public key, read from memory
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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_publickey_frommemory(LIBSSH2_SESSION *session,
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const char *username,
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size_t username_len,
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const char *publickeydata,
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size_t publickeydata_len,
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const char *privatekeydata,
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size_t privatekeydata_len,
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const char *passphrase);
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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 - Remote user name to authenticate as.
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\fIusername_len\fP - Length of username.
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\fIpublickeydata\fP - Buffer containing the contents of a public key file.
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\fIpublickeydata_len\fP - Length of public key data.
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\fIprivatekeydata\fP - Buffer containing the contents of a private key file.
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\fIprivatekeydata_len\fP - Length of private key data.
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\fIpassphrase\fP - Passphrase to use when decoding private key file.
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Attempt public key authentication using either a public key file or a PEM
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encoded private key file stored in memory. When providing a private key, the
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public key is automatically extracted from it. When providing both, the
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passed public key takes precedence.
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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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\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_SOCKET_TIMEOUT\fP -
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\fILIBSSH2_ERROR_PUBLICKEY_UNVERIFIED\fP - The username/public key
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combination was invalid.
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\fILIBSSH2_ERROR_AUTHENTICATION_FAILED\fP - Authentication using the supplied
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public key was not accepted.
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.SH AVAILABILITY
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libssh2_userauth_publickey_frommemory was added in libssh2 1.6.0
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Supported with OpenSSL, WinCNG, mbedTLS, OS/400 crypto backends.
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.SH SEE ALSO
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.BR libssh2_session_init_ex(3)
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