10-06-2010
Yes, you need to google around for the steps, so you create the right .ssh/.ssh2 subtree, a personal public-private key set, and then in first test (I use: ssh/ssh2 localhost pwd) it will ask if you want to save host keys, yes. When generating the keys, ask for as much length as is allowed, and give no password or you are back up the creek! Once you get localhost/127.0.0.1 working, 'scp -pr' the whole .ssh/.ssh2 subtree to a second host using your password and see if, without a password, you can ssh/ssh2 that_host pwd. My .ssh dir is not even .ssh, it is /etc/ssh2/auth/$LOGNAME because my $HOME is the same mount everywhere, so $HOME/.ssh2 will not work. If you cannot run ssh2 for some petty and short sighted reason, the directory and commands lose the 2.
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LEARN ABOUT PHP
ssh2_publickey_list
SSH2_PUBLICKEY_LIST(3) 1 SSH2_PUBLICKEY_LIST(3)
ssh2_publickey_list - List currently authorized publickeys
SYNOPSIS
array ssh2_publickey_list (resource $pkey)
DESCRIPTION
List currently authorized publickeys.
PARAMETERS
o $pkey
- Publickey Subsystem resource
RETURN VALUES
Returns a numerically indexed array of keys, each of which is an associative array containing: name, blob, and attrs elements.
Publickey elements
+----------+---------------------------------------------------+
|Array Key | |
| | |
| | Meaning |
| | |
+----------+---------------------------------------------------+
| name | |
| | |
| | Name of algorithm used by this publickey, for |
| | example: ssh-dss or ssh-rsa. |
| | |
| blob | |
| | |
| | Publickey blob as raw binary data. |
| | |
| attrs | |
| | |
| | Attributes assigned to this publickey. The most |
| | common attribute, and the only one supported by |
| | publickey version 1 servers, is comment, which |
| | may be any freeform string. |
| | |
+----------+---------------------------------------------------+
EXAMPLES
Example #1
Listing authorized keys with ssh2_publickey_list(3)
<?php
$ssh2 = ssh2_connect('shell.example.com', 22);
ssh2_auth_password($ssh2, 'jdoe', 'secret');
$pkey = ssh2_publickey_init($ssh2);
$list = ssh2_publickey_list($pkey);
foreach($list as $key) {
echo "Key: {$key['name']}
";
echo "Blob: " . chunk_split(base64_encode($key['blob']), 40, "
") . "
";
echo "Comment: {$key['attrs']['comment']}
";
}
?>
The above example will output:
Key: ssh-rsa
Blob: AAAAB3NzaC1yc2EAAAABIwAAAIEA5HVt6VqSGd5P
TrLRdjNONxXH1tVFGn0Bd26BF0aCP9qyJRlvdJ3j
4WBeX4ZmrveGrjMgkseSYc4xZ26sDHwfL351xjza
LpipuBGRrw17mWVBhuCExo476ri5tQFzbTc54VE
HYckxQ16CjSTibI5X69GmnYC9PNqEYq/1TP+HF10
Comment: John's Key
Key: ssh-rsa
Blob: AAAAB3NzaHVt6VqSGd5C1yc2EAAAABIwA232dnJA
AIEA5HVt6VqSGd5PTrLRdjNONxX/1TP+HF1HVt6V
qSGd50H1tVFGn0BB3NzaC1yc2EAd26BF0aCP9qyJ
RlvdJ3j4WBeX4ZmrveGrjMgkseSYc4xZ26HVt6Vq
SGd5sDHwfL351xjzaLpipuBGB3NzaC1yc2EA/1T
Comment: Alice's Key
NOTES
Note
The public key subsystem is used for managing public keys on a server to which the client is already authenticated. To authenticate
to a remote system using public key authentication, use the ssh2_auth_pubkey_file(3) function instead.
SEE ALSO
ssh2_publickey_init(3), ssh2_publickey_add(3), ssh2_publickey_remove(3).
PHP Documentation Group SSH2_PUBLICKEY_LIST(3)