/*
* crypt.c --
*
* This file contains a simple Tcl package "crypt" that is a
* thin layer over the crypt C library.
*
* Copyright (c) 1997 Sun Microsystems, Inc.
*
* See the file "license.terms" for information on usage and redistribution
* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
*/
#include "tcl.h"
#include "unistd.h"
/*
* Prototypes for procedures defined later in this file:
*/
static int Crypt_Cmd _ANSI_ARGS_((ClientData clientData,
Tcl_Interp *interp, int argc, char **argv));
/*
*----------------------------------------------------------------------
*
* Crypt_Cmd --
*
* This procedure is invoked to process the "crypt" Tcl command.
* It expects two arguments, the password and a two character "salt".
* It returns the encrypted password.
*
* Results:
* A standard Tcl result.
*
* Side effects:
* See the user documentation.
*
*----------------------------------------------------------------------
*/
static int
Crypt_Cmd(dummy, interp, argc, argv)
ClientData dummy; /* Not used. */
Tcl_Interp *interp; /* Current interpreter. */
int argc; /* Number of arguments. */
char **argv; /* Argument strings. */
{
char *result;
if (argc != 3) {
Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
" password salt\"", (char *) NULL);
return TCL_ERROR;
}
result = crypt(argv[1], argv[2]);
Tcl_SetResult(interp, result, TCL_STATIC);
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* Crypt_Init --
*
* This is a package initialization procedure, which is called
* by Tcl when this package is to be added to an interpreter.
*
* Results:
* None.
*
* Side effects:
* None.
*
*----------------------------------------------------------------------
*/
int
Crypt_Init(interp)
Tcl_Interp *interp; /* Interpreter in which the package is
* to be made available. */
{
int code;
code = Tcl_PkgProvide(interp, "crypt", "1.0");
if (code != TCL_OK) {
return code;
}
Tcl_CreateCommand(interp, "crypt", Crypt_Cmd, (ClientData) 0,
(Tcl_CmdDeleteProc *) NULL);
return TCL_OK;
}