642 lines
17 KiB
PHP
642 lines
17 KiB
PHP
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<?php
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namespace Safe;
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use Safe\Exceptions\Ssh2Exception;
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/**
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* Authenticate over SSH using the ssh agent
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*
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* @param resource $session An SSH connection link identifier, obtained from a call to
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* ssh2_connect.
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* @param string $username Remote user name.
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* @throws Ssh2Exception
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*
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*/
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function ssh2_auth_agent($session, string $username): void
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{
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error_clear_last();
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$result = \ssh2_auth_agent($session, $username);
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if ($result === false) {
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throw Ssh2Exception::createFromPhpError();
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}
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}
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/**
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* Authenticate using a public hostkey read from a file.
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*
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* @param resource $session An SSH connection link identifier, obtained from a call to
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* ssh2_connect.
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* @param string $username
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* @param string $hostname
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* @param string $pubkeyfile
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* @param string $privkeyfile
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* @param string $passphrase If privkeyfile is encrypted (which it should
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* be), the passphrase must be provided.
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* @param string $local_username If local_username is omitted, then the value
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* for username will be used for it.
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* @throws Ssh2Exception
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*
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*/
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function ssh2_auth_hostbased_file($session, string $username, string $hostname, string $pubkeyfile, string $privkeyfile, string $passphrase = null, string $local_username = null): void
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{
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error_clear_last();
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if ($local_username !== null) {
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$result = \ssh2_auth_hostbased_file($session, $username, $hostname, $pubkeyfile, $privkeyfile, $passphrase, $local_username);
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} elseif ($passphrase !== null) {
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$result = \ssh2_auth_hostbased_file($session, $username, $hostname, $pubkeyfile, $privkeyfile, $passphrase);
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} else {
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$result = \ssh2_auth_hostbased_file($session, $username, $hostname, $pubkeyfile, $privkeyfile);
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}
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if ($result === false) {
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throw Ssh2Exception::createFromPhpError();
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}
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}
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/**
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* Authenticate over SSH using a plain password. Since version 0.12 this function
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* also supports keyboard_interactive method.
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*
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* @param resource $session An SSH connection link identifier, obtained from a call to
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* ssh2_connect.
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* @param string $username Remote user name.
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* @param string $password Password for username
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* @throws Ssh2Exception
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*
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*/
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function ssh2_auth_password($session, string $username, string $password): void
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{
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error_clear_last();
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$result = \ssh2_auth_password($session, $username, $password);
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if ($result === false) {
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throw Ssh2Exception::createFromPhpError();
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}
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}
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/**
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* Authenticate using a public key read from a file.
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*
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* @param resource $session An SSH connection link identifier, obtained from a call to
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* ssh2_connect.
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* @param string $username
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* @param string $pubkeyfile The public key file needs to be in OpenSSH's format. It should look something like:
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*
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* ssh-rsa AAAAB3NzaC1yc2EAAA....NX6sqSnHA8= rsa-key-20121110
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* @param string $privkeyfile
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* @param string $passphrase If privkeyfile is encrypted (which it should
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* be), the passphrase must be provided.
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* @throws Ssh2Exception
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*
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*/
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function ssh2_auth_pubkey_file($session, string $username, string $pubkeyfile, string $privkeyfile, string $passphrase = null): void
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{
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error_clear_last();
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if ($passphrase !== null) {
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$result = \ssh2_auth_pubkey_file($session, $username, $pubkeyfile, $privkeyfile, $passphrase);
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} else {
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$result = \ssh2_auth_pubkey_file($session, $username, $pubkeyfile, $privkeyfile);
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}
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if ($result === false) {
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throw Ssh2Exception::createFromPhpError();
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}
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}
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/**
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* Establish a connection to a remote SSH server.
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*
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* Once connected, the client should verify the server's hostkey using
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* ssh2_fingerprint, then authenticate using either
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* password or public key.
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*
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* @param string $host
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* @param int $port
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* @param array $methods methods may be an associative array with up to four parameters
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* as described below.
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*
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*
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* methods may be an associative array
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* with any or all of the following parameters.
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*
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*
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*
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* Index
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* Meaning
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* Supported Values*
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*
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*
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*
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*
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* kex
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*
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* List of key exchange methods to advertise, comma separated
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* in order of preference.
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*
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*
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* diffie-hellman-group1-sha1,
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* diffie-hellman-group14-sha1, and
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* diffie-hellman-group-exchange-sha1
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*
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*
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*
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* hostkey
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*
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* List of hostkey methods to advertise, comma separated
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* in order of preference.
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*
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*
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* ssh-rsa and
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* ssh-dss
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*
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*
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*
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* client_to_server
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*
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* Associative array containing crypt, compression, and
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* message authentication code (MAC) method preferences
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* for messages sent from client to server.
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*
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*
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*
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*
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* server_to_client
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*
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* Associative array containing crypt, compression, and
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* message authentication code (MAC) method preferences
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* for messages sent from server to client.
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*
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*
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*
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*
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*
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*
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*
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* * - Supported Values are dependent on methods supported by underlying library.
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* See libssh2 documentation for additional
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* information.
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*
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*
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*
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* client_to_server and
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* server_to_client may be an associative array
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* with any or all of the following parameters.
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*
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*
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*
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*
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* Index
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* Meaning
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* Supported Values*
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*
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*
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*
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*
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* crypt
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* List of crypto methods to advertise, comma separated
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* in order of preference.
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*
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* rijndael-cbc@lysator.liu.se,
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* aes256-cbc,
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* aes192-cbc,
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* aes128-cbc,
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* 3des-cbc,
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* blowfish-cbc,
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* cast128-cbc,
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* arcfour, and
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* none**
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*
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*
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*
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* comp
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* List of compression methods to advertise, comma separated
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* in order of preference.
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*
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* zlib and
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* none
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*
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*
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*
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* mac
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* List of MAC methods to advertise, comma separated
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* in order of preference.
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*
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* hmac-sha1,
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* hmac-sha1-96,
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* hmac-ripemd160,
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* hmac-ripemd160@openssh.com, and
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* none**
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*
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*
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*
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*
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*
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*
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*
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* Crypt and MAC method "none"
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*
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* For security reasons, none is disabled by the underlying
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* libssh2 library unless explicitly enabled
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* during build time by using the appropriate ./configure options. See documentation
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* for the underlying library for more information.
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*
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*
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*
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* For security reasons, none is disabled by the underlying
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* libssh2 library unless explicitly enabled
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* during build time by using the appropriate ./configure options. See documentation
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* for the underlying library for more information.
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* @param array $callbacks callbacks may be an associative array with any
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* or all of the following parameters.
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*
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*
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* Callbacks parameters
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*
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*
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*
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*
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* Index
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* Meaning
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* Prototype
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*
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*
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*
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*
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* ignore
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*
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* Name of function to call when an
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* SSH2_MSG_IGNORE packet is received
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*
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* void ignore_cb($message)
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*
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*
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* debug
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*
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* Name of function to call when an
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* SSH2_MSG_DEBUG packet is received
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*
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* void debug_cb($message, $language, $always_display)
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*
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*
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* macerror
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*
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* Name of function to call when a packet is received but the
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* message authentication code failed. If the callback returns
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* TRUE, the mismatch will be ignored, otherwise the connection
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* will be terminated.
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*
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* bool macerror_cb($packet)
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*
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*
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* disconnect
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*
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* Name of function to call when an
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* SSH2_MSG_DISCONNECT packet is received
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*
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* void disconnect_cb($reason, $message, $language)
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*
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*
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*
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*
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* @return resource Returns a resource on success.
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* @throws Ssh2Exception
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*
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*/
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function ssh2_connect(string $host, int $port = 22, array $methods = null, array $callbacks = null)
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{
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error_clear_last();
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if ($callbacks !== null) {
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$result = \ssh2_connect($host, $port, $methods, $callbacks);
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} elseif ($methods !== null) {
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$result = \ssh2_connect($host, $port, $methods);
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} else {
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$result = \ssh2_connect($host, $port);
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}
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if ($result === false) {
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throw Ssh2Exception::createFromPhpError();
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}
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return $result;
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}
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/**
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* Close a connection to a remote SSH server.
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*
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* @param resource $session An SSH connection link identifier, obtained from a call to
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* ssh2_connect.
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* @throws Ssh2Exception
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*
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*/
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function ssh2_disconnect($session): void
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{
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error_clear_last();
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$result = \ssh2_disconnect($session);
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if ($result === false) {
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throw Ssh2Exception::createFromPhpError();
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}
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}
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/**
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* Execute a command at the remote end and allocate a channel for it.
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*
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* @param resource $session An SSH connection link identifier, obtained from a call to
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* ssh2_connect.
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* @param string $command
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* @param string $pty
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* @param array $env env may be passed as an associative array of
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* name/value pairs to set in the target environment.
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* @param int $width Width of the virtual terminal.
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* @param int $height Height of the virtual terminal.
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* @param int $width_height_type width_height_type should be one of
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* SSH2_TERM_UNIT_CHARS or
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* SSH2_TERM_UNIT_PIXELS.
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* @return resource Returns a stream on success.
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* @throws Ssh2Exception
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*
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*/
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function ssh2_exec($session, string $command, string $pty = null, array $env = null, int $width = 80, int $height = 25, int $width_height_type = SSH2_TERM_UNIT_CHARS)
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{
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error_clear_last();
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if ($width_height_type !== SSH2_TERM_UNIT_CHARS) {
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$result = \ssh2_exec($session, $command, $pty, $env, $width, $height, $width_height_type);
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} elseif ($height !== 25) {
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$result = \ssh2_exec($session, $command, $pty, $env, $width, $height);
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} elseif ($width !== 80) {
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$result = \ssh2_exec($session, $command, $pty, $env, $width);
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} elseif ($env !== null) {
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$result = \ssh2_exec($session, $command, $pty, $env);
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} elseif ($pty !== null) {
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$result = \ssh2_exec($session, $command, $pty);
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} else {
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$result = \ssh2_exec($session, $command);
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}
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if ($result === false) {
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throw Ssh2Exception::createFromPhpError();
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}
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return $result;
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}
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/**
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*
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*
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* @param resource $pkey Publickey Subsystem resource created by ssh2_publickey_init.
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* @param string $algoname Publickey algorithm (e.g.): ssh-dss, ssh-rsa
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* @param string $blob Publickey blob as raw binary data
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* @param bool $overwrite If the specified key already exists, should it be overwritten?
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* @param array $attributes Associative array of attributes to assign to this public key.
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* Refer to ietf-secsh-publickey-subsystem for a list of supported attributes.
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* To mark an attribute as mandatory, precede its name with an asterisk.
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* If the server is unable to support an attribute marked mandatory,
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* it will abort the add process.
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* @throws Ssh2Exception
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*
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*/
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function ssh2_publickey_add($pkey, string $algoname, string $blob, bool $overwrite = false, array $attributes = null): void
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{
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error_clear_last();
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if ($attributes !== null) {
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$result = \ssh2_publickey_add($pkey, $algoname, $blob, $overwrite, $attributes);
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} else {
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$result = \ssh2_publickey_add($pkey, $algoname, $blob, $overwrite);
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}
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if ($result === false) {
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throw Ssh2Exception::createFromPhpError();
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}
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}
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/**
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* Request the Publickey subsystem from an already connected SSH2 server.
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*
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* The publickey subsystem allows an already connected and authenticated
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* client to manage the list of authorized public keys stored on the
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* target server in an implementation agnostic manner.
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* If the remote server does not support the publickey subsystem,
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* the ssh2_publickey_init function will return FALSE.
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*
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* @param resource $session
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* @return resource Returns an SSH2 Publickey Subsystem resource for use
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* with all other ssh2_publickey_*() methods.
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* @throws Ssh2Exception
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*
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*/
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function ssh2_publickey_init($session)
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{
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error_clear_last();
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$result = \ssh2_publickey_init($session);
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if ($result === false) {
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throw Ssh2Exception::createFromPhpError();
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}
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return $result;
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}
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/**
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* Removes an authorized publickey.
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*
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* @param resource $pkey Publickey Subsystem Resource
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* @param string $algoname Publickey algorithm (e.g.): ssh-dss, ssh-rsa
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* @param string $blob Publickey blob as raw binary data
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* @throws Ssh2Exception
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*
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*/
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function ssh2_publickey_remove($pkey, string $algoname, string $blob): void
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{
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error_clear_last();
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$result = \ssh2_publickey_remove($pkey, $algoname, $blob);
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if ($result === false) {
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throw Ssh2Exception::createFromPhpError();
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}
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}
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/**
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* Copy a file from the remote server to the local filesystem using the SCP protocol.
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*
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* @param resource $session An SSH connection link identifier, obtained from a call to
|
||
|
* ssh2_connect.
|
||
|
* @param string $remote_file Path to the remote file.
|
||
|
* @param string $local_file Path to the local file.
|
||
|
* @throws Ssh2Exception
|
||
|
*
|
||
|
*/
|
||
|
function ssh2_scp_recv($session, string $remote_file, string $local_file): void
|
||
|
{
|
||
|
error_clear_last();
|
||
|
$result = \ssh2_scp_recv($session, $remote_file, $local_file);
|
||
|
if ($result === false) {
|
||
|
throw Ssh2Exception::createFromPhpError();
|
||
|
}
|
||
|
}
|
||
|
|
||
|
|
||
|
/**
|
||
|
* Copy a file from the local filesystem to the remote server using the SCP protocol.
|
||
|
*
|
||
|
* @param resource $session An SSH connection link identifier, obtained from a call to
|
||
|
* ssh2_connect.
|
||
|
* @param string $local_file Path to the local file.
|
||
|
* @param string $remote_file Path to the remote file.
|
||
|
* @param int $create_mode The file will be created with the mode specified by
|
||
|
* create_mode.
|
||
|
* @throws Ssh2Exception
|
||
|
*
|
||
|
*/
|
||
|
function ssh2_scp_send($session, string $local_file, string $remote_file, int $create_mode = 0644): void
|
||
|
{
|
||
|
error_clear_last();
|
||
|
$result = \ssh2_scp_send($session, $local_file, $remote_file, $create_mode);
|
||
|
if ($result === false) {
|
||
|
throw Ssh2Exception::createFromPhpError();
|
||
|
}
|
||
|
}
|
||
|
|
||
|
|
||
|
/**
|
||
|
* Attempts to change the mode of the specified file to that given in
|
||
|
* mode.
|
||
|
*
|
||
|
* @param resource $sftp An SSH2 SFTP resource opened by ssh2_sftp.
|
||
|
* @param string $filename Path to the file.
|
||
|
* @param int $mode Permissions on the file. See the chmod for more details on this parameter.
|
||
|
* @throws Ssh2Exception
|
||
|
*
|
||
|
*/
|
||
|
function ssh2_sftp_chmod($sftp, string $filename, int $mode): void
|
||
|
{
|
||
|
error_clear_last();
|
||
|
$result = \ssh2_sftp_chmod($sftp, $filename, $mode);
|
||
|
if ($result === false) {
|
||
|
throw Ssh2Exception::createFromPhpError();
|
||
|
}
|
||
|
}
|
||
|
|
||
|
|
||
|
/**
|
||
|
* Creates a directory on the remote file server with permissions set to
|
||
|
* mode.
|
||
|
*
|
||
|
* This function is similar to using mkdir with the
|
||
|
* ssh2.sftp:// wrapper.
|
||
|
*
|
||
|
* @param resource $sftp An SSH2 SFTP resource opened by ssh2_sftp.
|
||
|
* @param string $dirname Path of the new directory.
|
||
|
* @param int $mode Permissions on the new directory.
|
||
|
* @param bool $recursive If recursive is TRUE any parent directories
|
||
|
* required for dirname will be automatically created as well.
|
||
|
* @throws Ssh2Exception
|
||
|
*
|
||
|
*/
|
||
|
function ssh2_sftp_mkdir($sftp, string $dirname, int $mode = 0777, bool $recursive = false): void
|
||
|
{
|
||
|
error_clear_last();
|
||
|
$result = \ssh2_sftp_mkdir($sftp, $dirname, $mode, $recursive);
|
||
|
if ($result === false) {
|
||
|
throw Ssh2Exception::createFromPhpError();
|
||
|
}
|
||
|
}
|
||
|
|
||
|
|
||
|
/**
|
||
|
* Renames a file on the remote filesystem.
|
||
|
*
|
||
|
* @param resource $sftp An SSH2 SFTP resource opened by ssh2_sftp.
|
||
|
* @param string $from The current file that is being renamed.
|
||
|
* @param string $to The new file name that replaces from.
|
||
|
* @throws Ssh2Exception
|
||
|
*
|
||
|
*/
|
||
|
function ssh2_sftp_rename($sftp, string $from, string $to): void
|
||
|
{
|
||
|
error_clear_last();
|
||
|
$result = \ssh2_sftp_rename($sftp, $from, $to);
|
||
|
if ($result === false) {
|
||
|
throw Ssh2Exception::createFromPhpError();
|
||
|
}
|
||
|
}
|
||
|
|
||
|
|
||
|
/**
|
||
|
* Removes a directory from the remote file server.
|
||
|
*
|
||
|
* This function is similar to using rmdir with the
|
||
|
* ssh2.sftp:// wrapper.
|
||
|
*
|
||
|
* @param resource $sftp An SSH2 SFTP resource opened by ssh2_sftp.
|
||
|
* @param string $dirname
|
||
|
* @throws Ssh2Exception
|
||
|
*
|
||
|
*/
|
||
|
function ssh2_sftp_rmdir($sftp, string $dirname): void
|
||
|
{
|
||
|
error_clear_last();
|
||
|
$result = \ssh2_sftp_rmdir($sftp, $dirname);
|
||
|
if ($result === false) {
|
||
|
throw Ssh2Exception::createFromPhpError();
|
||
|
}
|
||
|
}
|
||
|
|
||
|
|
||
|
/**
|
||
|
* Creates a symbolic link named link on the remote
|
||
|
* filesystem pointing to target.
|
||
|
*
|
||
|
* @param resource $sftp An SSH2 SFTP resource opened by ssh2_sftp.
|
||
|
* @param string $target Target of the symbolic link.
|
||
|
* @param string $link
|
||
|
* @throws Ssh2Exception
|
||
|
*
|
||
|
*/
|
||
|
function ssh2_sftp_symlink($sftp, string $target, string $link): void
|
||
|
{
|
||
|
error_clear_last();
|
||
|
$result = \ssh2_sftp_symlink($sftp, $target, $link);
|
||
|
if ($result === false) {
|
||
|
throw Ssh2Exception::createFromPhpError();
|
||
|
}
|
||
|
}
|
||
|
|
||
|
|
||
|
/**
|
||
|
* Deletes a file on the remote filesystem.
|
||
|
*
|
||
|
* @param resource $sftp An SSH2 SFTP resource opened by ssh2_sftp.
|
||
|
* @param string $filename
|
||
|
* @throws Ssh2Exception
|
||
|
*
|
||
|
*/
|
||
|
function ssh2_sftp_unlink($sftp, string $filename): void
|
||
|
{
|
||
|
error_clear_last();
|
||
|
$result = \ssh2_sftp_unlink($sftp, $filename);
|
||
|
if ($result === false) {
|
||
|
throw Ssh2Exception::createFromPhpError();
|
||
|
}
|
||
|
}
|
||
|
|
||
|
|
||
|
/**
|
||
|
* Request the SFTP subsystem from an already connected SSH2 server.
|
||
|
*
|
||
|
* @param resource $session An SSH connection link identifier, obtained from a call to
|
||
|
* ssh2_connect.
|
||
|
* @return resource This method returns an SSH2 SFTP resource for use with
|
||
|
* all other ssh2_sftp_*() methods and the
|
||
|
* ssh2.sftp:// fopen wrapper.
|
||
|
* @throws Ssh2Exception
|
||
|
*
|
||
|
*/
|
||
|
function ssh2_sftp($session)
|
||
|
{
|
||
|
error_clear_last();
|
||
|
$result = \ssh2_sftp($session);
|
||
|
if ($result === false) {
|
||
|
throw Ssh2Exception::createFromPhpError();
|
||
|
}
|
||
|
return $result;
|
||
|
}
|