fsockopen() and telnet

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  • Tom Lynn
    #1

    fsockopen() and telnet


    I'm considering using a PHP command line script to retrieve reports from a
    Linux system. My only source for the report is via telnet.

    Has anybody here used fsockopen() to interactively script a telnet session
    in PHP?

    If so, what problems did you have to overcome. If not, does this sound
    do-able?



    Tom Lynn
    --------
    http://www.tomlynn.com

    Tags: telnet fsockopen
    • Michael Fuhr
      #2
      Re: fsockopen() and telnet

      Tom Lynn <tomlynn97@hotm ail.com> writes:
      [color=blue]
      > I'm considering using a PHP command line script to retrieve reports from a
      > Linux system. My only source for the report is via telnet.[/color]

      Do you mean that you telnet to the system, get a shell, and generate
      the report by executing a command or sequence of commands? Or do
      you mean that you use the telnet client to connect to a certain
      port and the report is generated automatically?
      [color=blue]
      > Has anybody here used fsockopen() to interactively script a telnet session
      > in PHP?
      >
      > If so, what problems did you have to overcome. If not, does this sound
      > do-able?[/color]

      Depending on what you're doing, you might need to implement the
      TELNET protocol, which might involve more than you care to do.

      Is there a reason for using PHP? If you need to mimic an interactive
      shell session, then consider using expect, which was designed for
      exactly that sort of thing.

      --
      Michael Fuhr
      Three Corners
      http://www.fuhr.org/~mfuhr/

        Comment

        • Tom Lynn
          #3
          Re: fsockopen() and telnet

          On 30 Nov 2003 13:14:33 -0700, mfuhr@fuhr.org (Michael Fuhr) wrote:
          [color=blue]
          >Tom Lynn <tomlynn97@hotm ail.com> writes:
          >[color=green]
          >> I'm considering using a PHP command line script to retrieve reports from a
          >> Linux system. My only source for the report is via telnet.[/color]
          >
          >Do you mean that you telnet to the system, get a shell, and generate
          >the report by executing a command or sequence of commands? Or do
          >you mean that you use the telnet client to connect to a certain
          >port and the report is generated automatically?[/color]

          I get the report using the 1st method you mention. I telnet, login and
          then issue a request for the report which is echoed back to the screen.
          [color=blue]
          >[color=green]
          >> Has anybody here used fsockopen() to interactively script a telnet session
          >> in PHP?
          >>
          >> If so, what problems did you have to overcome. If not, does this sound
          >> do-able?[/color]
          >
          >Depending on what you're doing, you might need to implement the
          >TELNET protocol, which might involve more than you care to do.
          >
          >Is there a reason for using PHP? If you need to mimic an interactive
          >shell session, then consider using expect, which was designed for
          >exactly that sort of thing.[/color]

          Expect sounds like a decent way to go. I'm not prepared to implement any
          protocols. Are there any expect like pear packages?

          Tom

            Comment

            • Michael Fuhr
              #4
              Re: fsockopen() and telnet

              Tom Lynn <tomlynn97@hotm ail.com> writes:
              [color=blue]
              > On 30 Nov 2003 13:14:33 -0700, mfuhr@fuhr.org (Michael Fuhr) wrote:
              >[color=green]
              > >Is there a reason for using PHP? If you need to mimic an interactive
              > >shell session, then consider using expect, which was designed for
              > >exactly that sort of thing.[/color]
              >
              > Expect sounds like a decent way to go. I'm not prepared to implement any
              > protocols. Are there any expect like pear packages?[/color]

              I did a few quick searches on pear.php.net and www.google.com and
              didn't find anything.

              --
              Michael Fuhr
              Three Corners
              http://www.fuhr.org/~mfuhr/

                Comment

                • Tom Lynn
                  #5
                  Re: fsockopen() and telnet

                  On 30 Nov 2003 23:44:13 -0700, mfuhr@fuhr.org (Michael Fuhr) wrote:
                  [color=blue]
                  >Tom Lynn <tomlynn97@hotm ail.com> writes:
                  >[color=green]
                  >> On 30 Nov 2003 13:14:33 -0700, mfuhr@fuhr.org (Michael Fuhr) wrote:
                  >>[color=darkred]
                  >> >Is there a reason for using PHP? If you need to mimic an interactive
                  >> >shell session, then consider using expect, which was designed for
                  >> >exactly that sort of thing.[/color]
                  >>
                  >> Expect sounds like a decent way to go. I'm not prepared to implement any
                  >> protocols. Are there any expect like pear packages?[/color]
                  >
                  >I did a few quick searches on pear.php.net and www.google.com and
                  >didn't find anything.[/color]

                  I have come across a PHP application framework that implements telnet.

                  It's called Plankton and can be found at
                  http://www.sea-incorporated.com/plankton/index.php


                  Tom Lynn
                  --------
                  http://www.tomlynn.com

                    Comment

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