busybox/chroot.c

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1999-10-05 21:54:54 +05:30
#include "internal.h"
#include <stdio.h>
#include <unistd.h>
const char chroot_usage[] = "chroot directory [command]\n"
"Run a command with special root directory.\n";
extern int
chroot_main (struct FileInfo *i, int argc, char **argv)
{
char *prog;
if (chroot (argv[1]))
{
name_and_error ("cannot chroot to that directory");
return 1;
}
if (argc > 2)
{
execvp (argv[2], argv + 2);
}
else
{
prog = getenv ("SHELL");
if (!prog)
prog = "/bin/sh";
execlp (prog, prog, NULL);
}
name_and_error ("cannot exec");
return 1;
}