trivial patch to post overridden command into env

[Markus Friedl]

On Mon, Sep 04, 2000 at 12:14:53PM -0400, Bennett Todd wrote:
> command="whatever" to force a specific command, and also (b) the
> invoker specified some command on their ssh cmdline, then the
> invoked command will be posted into the $command environment
> variable.

thanks, i forgot about this. in ssh-1.2.27 and friends the
command is stored in $SSH_ORIGINAL_COMMAND. this behaviour
will be in the next release (2.3.0)

-markus

> diff -ruN openssh-2.2.0p1.orig/session.c openssh-2.2.0p1/session.c
> --- openssh-2.2.0p1.orig/session.c	Tue Aug 29 18:21:22 2000
> +++ openssh-2.2.0p1/session.c	Mon Sep  4 11:47:10 2000
> @@ -125,6 +125,8 @@
>  static login_cap_t *lc;
>  #endif
>  
> +static char *saved_command = 0;
> +
>  /*
>   * Remove local Xauthority file.
>   */
> @@ -377,8 +379,11 @@
>  				packet_integrity_check(plen, 0, type);
>  			}
>  			if (forced_command != NULL) {
> +				saved_command = command;
>  				command = forced_command;
>  				debug("Forced command '%.500s'", forced_command);
> +			} else {
> +				saved_command  = NULL;
>  			}
>  			if (have_pty)
>  				do_exec_pty(s, command, pw);
> @@ -1042,6 +1047,9 @@
>  	env = xmalloc(envsize * sizeof(char *));
>  	env[0] = NULL;
>  
> +	if (saved_command) {
> +		child_set_env(&env, &envsize, "command", saved_command);
> +	}
>  	if (!options.use_login) {
>  		/* Set basic environment. */
>  		child_set_env(&env, &envsize, "USER", pw->pw_name);