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53 lines
1.8 KiB
Groff
53 lines
1.8 KiB
Groff
.TH libssh2_userauth_publickey_fromfile 3 "1 Jun 2007" "libssh2 0.15" "libssh2 manual"
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.SH NAME
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libssh2_userauth_publickey_fromfile - authenticate a session with a public key, read from a file
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.SH SYNOPSIS
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#include <libssh2.h>
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.nf
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int libssh2_userauth_publickey_fromfile_ex(LIBSSH2_SESSION *session,
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const char *username,
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unsigned int ousername_len,
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const char *publickey,
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const char *privatekey,
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const char *passphrase);
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.SH DESCRIPTION
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\fIsession\fP - Session instance as returned by
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\fBlibssh2_session_init_ex(3)\fP
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\fIusername\fP - Pointer to user name to authenticate as.
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\fIusername_len\fP - Length of \fIusername\fP.
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\fIpublickey\fP - Path name of the public key file.
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(e.g. /etc/ssh/hostkey.pub). If libssh2 is built against OpenSSL, this option
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can be set to NULL.
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\fIprivatekey\fP - Path name of the private key file. (e.g. /etc/ssh/hostkey)
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\fIpassphrase\fP - Passphrase to use when decoding \fIprivatekey\fP.
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Attempt public key authentication using a PEM encoded private key file stored
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on disk
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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 isn't 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 SEE ALSO
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.BR libssh2_session_init_ex(3)
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