6feba7ac65
(scripts were executed with system() so e.g. IFS and PATH could be used to work around any attempt of security...). Now check that it is not installed setuid root (unless the user insists, details in manpage), and recommend to put user in group `dialout' or similar and also make the isdn devices group `dialout'; the scripts can then use isdnctrl to stop/start stuff.
119 lines
3.2 KiB
C
119 lines
3.2 KiB
C
#include <unistd.h>
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#include <stdio.h>
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#include <X11/Xatom.h>
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#include <X11/Intrinsic.h>
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#include <X11/StringDefs.h>
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#include "Net.h"
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#include <X11/Xaw/Cardinals.h>
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extern void exit();
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static void quit();
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/* Only allow calling scripts when setuid root if the -r option is given */
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int allow_setuid = 0;
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char *ProgramName;
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static XrmOptionDescRec options[] = {
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{ "-update", "*netstat.update", XrmoptionSepArg, (caddr_t) NULL },
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{ "-file", "*netstat.file", XrmoptionSepArg, (caddr_t) NULL },
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{ "-shape", "*netstat.shapeWindow", XrmoptionNoArg, (caddr_t) "on" },
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{ "-volume", "*netstat.volume", XrmoptionSepArg, (caddr_t) NULL },
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};
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static XtActionsRec xmonisdn_actions[] = {
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{ "quit", quit },
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};
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static Atom wm_delete_window;
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static void Usage ()
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{
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static char *help_message[] = {
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"where options include:",
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" -display host:dpy X server to contact",
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" -geometry geom size of Netstat",
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" -file file isdninfo-file to watch",
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" -update 1/10 of a second how often to check",
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" -bg color background color",
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" -fg color foreground color",
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" -rv reverse video",
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" -volume percentage how loud to ring the bell",
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" -shape shape the window",
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NULL};
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char **cpp;
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fprintf (stderr, "usage: %s [-options ...]\n", ProgramName);
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for (cpp = help_message; *cpp; cpp++) {
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fprintf (stderr, "%s\n", *cpp);
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}
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fprintf (stderr, "\n");
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exit (1);
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}
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int main (argc, argv)
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int argc;
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char **argv;
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{
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XtAppContext xtcontext;
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Widget toplevel, w;
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ProgramName = argv[0];
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/* check for first arg `-r'. Must be first! */
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if (argc > 1 && !strcmp(argv[1], "-r")) {
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int i;
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allow_setuid = 1;
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argc--;
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for (i = 1; i < argc; i++)
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argv[i] = argv[i+1];
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argv[i] = 0;
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}
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else {
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if (geteuid() == 0 && getuid() != 0) {
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fprintf(stderr,
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"`%s' setuid root not allowed! Read the manpage to find out why.\n",
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ProgramName);
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exit(1);
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}
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}
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toplevel = XtAppInitialize(&xtcontext, "xmonisdn", options, XtNumber (options),
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&argc, argv, NULL, NULL, 0);
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if (argc != 1) Usage ();
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/*
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* This is a hack so that f.delete will do something useful in this
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* single-window application.
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*/
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XtAppAddActions (xtcontext, xmonisdn_actions, XtNumber(xmonisdn_actions));
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XtOverrideTranslations(toplevel,
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XtParseTranslationTable ("<Message>WM_PROTOCOLS: quit()"));
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w = XtCreateManagedWidget ("netstat", netstatWidgetClass, toplevel,
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NULL, 0);
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XtRealizeWidget (toplevel);
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wm_delete_window = XInternAtom (XtDisplay(toplevel), "WM_DELETE_WINDOW",
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False);
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(void) XSetWMProtocols (XtDisplay(toplevel), XtWindow(toplevel),
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&wm_delete_window, 1);
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XtAppMainLoop (xtcontext);
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return 0;
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}
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static void quit (w, event, params, num_params)
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Widget w;
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XEvent *event;
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String *params;
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Cardinal *num_params;
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{
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if (event->type == ClientMessage &&
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event->xclient.data.l[0] != wm_delete_window) {
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XBell (XtDisplay(w), 0);
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return;
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}
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XCloseDisplay (XtDisplay(w));
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exit (0);
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}
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