Secure Shell2 Functions

简介

Bindings to the » libssh2 library which provide access to resources (shell, remote exec, tunneling, file transfer) on a remote machine using a secure cryptographic transport.

安装

Windows binaries may be found at » http://snaps.php.net/. To install, download php_ssh2.dll to the folder specified by your php.ini file's extension_dir directive. Enable it by adding extension=php_ssh2.dll to your php.ini and restarting your web server.

extension_dir=c:/php5/exts/
extension=php_ssh2.dll

Linux, BSD, and other *nix variants can be compiled using the following steps:

  • Download and install » OpenSSL. If you install OpenSSL via your distribution's packaging system be sure to install the development libraries as well. This will typically be a package named openssl-dev, openssl_devel, or some variation thereof.
  • Download and install » libssh2. Typically this means executing the following command from the libssh2 source tree. ./configure && make all install.
  • Run the pear installer for PECL/ssh2: pear install ssh2
  • Copy ssh2.so from the directory indicated by the build process to the location specified in your php.ini file under extension_dir.
  • Add extension=ssh2.so to your php.ini
  • Restart your web server to reload your php.ini settings.

Note: Development Versions There are currently no stable versions of PECL/ssh2, to force installation of the beta version of PECL/ssh2 execute: pear install ssh2-beta

Tip

Compiling PECL/ssh2 without using the PEAR command

Rather than using pear install ssh2 to automatically download and install PECL/ssh2, you may download the tarball from » PECL. From the root of the unpacked tarball, run: phpize && ./configure --with-ssh2 && make to generate ssh2.so. Once built, continue the installation from step 4 above.

安装此 PECL 扩展库的信息可在手册中标题为 PECL 扩展库安装的一章中找到。 更多信息如新版本,下载,源文件,维护者信息以及更新日志等可以在这里找到: » http://pecl.php.net/package/ssh2.

Note: You will need version 0.4 or greater of the libssh2 library (possibly higher, see release notes).

预定义常量

以下常量由本扩展模块定义,因此只有在本扩展模块被编译到 PHP 中,或者在运行时被动态加载后才有效。

SSH2_FINGERPRINT_MD5 (integer)
Flag to ssh2_fingerprint() requesting hostkey fingerprint as an MD5 hash.
SSH2_FINGERPRINT_SHA1 (integer)
Flag to ssh2_fingerprint() requesting hostkey fingerprint as an SHA1 hash.
SSH2_FINGERPRINT_HEX (integer)
Flag to ssh2_fingerprint() requesting hostkey fingerprint as a string of hexits.
SSH2_FINGERPRINT_RAW (integer)
Flag to ssh2_fingerprint() requesting hostkey fingerprint as a raw string of 8-bit characters.
SSH2_TERM_UNIT_CHARS (integer)
Flag to ssh2_shell() specifying that width and height are provided as character sizes.
SSH2_TERM_UNIT_PIXELS (integer)
Flag to ssh2_shell() specifying that width and height are provided in pixel units.
SSH2_DEFAULT_TERM_WIDTH (integer)
Default terminal width requested by ssh2_shell().
SSH2_DEFAULT_TERM_HEIGHT (integer)
Default terminal height requested by ssh2_shell().
SSH2_DEFAULT_TERM_UNIT (integer)
Default terminal units requested by ssh2_shell().
SSH2_STREAM_STDIO (integer)
Flag to ssh2_fetch_stream() requesting STDIO subchannel.
SSH2_STREAM_STDERR (integer)
Flag to ssh2_fetch_stream() requesting STDERR subchannel.
SSH2_DEFAULT_TERMINAL (string)
Default terminal type (e.g. vt102, ansi, xterm, vanilla) requested by ssh2_shell().

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