71 lines
2.6 KiB
Groff
71 lines
2.6 KiB
Groff
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.\" Copyright (C) Daniel Stenberg
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.\" SPDX-License-Identifier: BSD-3-Clause
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.TH libssh2_knownhost_addc 3 "28 May 2009" "libssh2 1.2" "libssh2"
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.SH NAME
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libssh2_knownhost_addc - add a known host
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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_knownhost_addc(LIBSSH2_KNOWNHOSTS *hosts,
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char *host, char *salt,
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char *key, size_t keylen,
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const char *comment, size_t commentlen,
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int typemask,
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struct libssh2_knownhost **store);
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.fi
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.SH DESCRIPTION
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Adds a known host to the collection of known hosts identified by the 'hosts'
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handle.
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\fIhost\fP is a pointer the host name in plain text or hashed. If hashed, it
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must be provided base64 encoded. The host name can be the IP numerical address
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of the host or the full name.
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If you want to add a key for a specific port number for the given host, you
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must provide the host name like '[host]:port' with the actual characters '['
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and ']' enclosing the host name and a colon separating the host part from the
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port number. For example: \&"[host.example.com]:222".
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\fIsalt\fP is a pointer to the salt used for the host hashing, if the host is
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provided hashed. If the host is provided in plain text, salt has no meaning.
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The salt has to be provided base64 encoded with a trailing zero byte.
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\fIkey\fP is a pointer to the key for the given host.
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\fIkeylen\fP is the total size in bytes of the key pointed to by the \fIkey\fP
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argument
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\fIcomment\fP is a pointer to a comment for the key.
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\fIcommentlen\fP is the total size in bytes of the comment pointed to by the \fIcomment\fP argument
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\fItypemask\fP is a bitmask that specifies format and info about the data
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passed to this function. Specifically, it details what format the host name is,
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what format the key is and what key type it is.
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The host name is given as one of the following types:
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LIBSSH2_KNOWNHOST_TYPE_PLAIN, LIBSSH2_KNOWNHOST_TYPE_SHA1 or
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LIBSSH2_KNOWNHOST_TYPE_CUSTOM.
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The key is encoded using one of the following encodings:
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LIBSSH2_KNOWNHOST_KEYENC_RAW or LIBSSH2_KNOWNHOST_KEYENC_BASE64.
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The key is using one of these algorithms:
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LIBSSH2_KNOWNHOST_KEY_RSA1, LIBSSH2_KNOWNHOST_KEY_SSHRSA or
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LIBSSH2_KNOWNHOST_KEY_SSHDSS (deprecated).
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\fIstore\fP should point to a pointer that gets filled in to point to the
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known host data after the addition. NULL can be passed if you do not care about
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this pointer.
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.SH RETURN VALUE
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Returns a regular libssh2 error code, where negative values are error codes
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and 0 indicates success.
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.SH AVAILABILITY
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Added in libssh2 1.2.5
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.SH SEE ALSO
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.BR libssh2_knownhost_init(3)
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.BR libssh2_knownhost_free(3)
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.BR libssh2_knownhost_check(3)
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