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Add string to mode_t parser added new function string_to_mode(char *m_string, mode_t base) which parses a given string and converts it to a mode_t. If either + or - are part of m_string the permissions are either added or removed from base. Currently support for permision copy is missing (e.g. g=u), but all other flags should work. Format for m_string: either symbolic modes or octal representation. symbolic modes: [auog][[+-=][rwxst]*] examples: string_to_mode("u=rwx,g=rw,o=r", 0); string_to_mode("a-x", 0777); string_to_mode("0744", 0);
author Daniel Walter <d.walter@0x90.at>
date Mon, 19 Mar 2012 19:57:56 -0500
parents 064fc1b8b7b1
children
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/* vi: set sw=4 ts=4:
 *
 * chroot.c - Run command in new root directory.
 *
 * Copyright 2007 Rob Landley <rob@landley.net>
 *
 * Not in SUSv3.

USE_CHROOT(NEWTOY(chroot, "^<1", TOYFLAG_USR|TOYFLAG_SBIN))

config CHROOT
	bool "chroot"
	default y
	help
	  usage: chroot NEWPATH [commandline...]

	  Run command within a new root directory.  If no command, run /bin/sh.
*/

#include "toys.h"

void chroot_main(void)
{
	char *binsh[] = {"/bin/sh", "-i", 0};
	if (chdir(*toys.optargs) || chroot("."))
		perror_exit("%s", *toys.optargs);
	xexec(toys.optargs[1] ? toys.optargs+1 : binsh);
}