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/* vi: set sw=4 ts=4: */
/*
* Mini su implementation for busybox-w32
*
* Licensed under GPLv2 or later, see file LICENSE in this source tree.
*/
//config:config SUW32
//config: bool "su for Microsoft Windows"
//config: default y
//config: depends on PLATFORM_MINGW32 && ASH
//config: help
//config: su runs a shell with elevated privileges.
//applet:IF_SUW32(APPLET_ODDNAME(su, suw32, BB_DIR_BIN, BB_SUID_DROP, suw32))
//kbuild:lib-$(CONFIG_SUW32) += suw32.o
//usage:#define suw32_trivial_usage
//usage: "[-c \"CMD\"]"
//usage:#define suw32_full_usage "\n\n"
//usage: "Run shell with elevated privileges\n"
//usage: "\n -c CMD Command to pass to 'sh -c'"
#include "libbb.h"
int suw32_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int suw32_main(int argc UNUSED_PARAM, char **argv)
{
char *opt_command = NULL;
SHELLEXECUTEINFO info;
char *bb_path, *cwd;
getopt32(argv, "c:", &opt_command);
if (argv[optind])
bb_show_usage();
/* ShellExecuteEx() needs backslash as separator in UNC paths. */
bb_path = xstrdup(bb_busybox_exec_path);
slash_to_bs(bb_path);
memset(&info, 0, sizeof(SHELLEXECUTEINFO));
info.cbSize = sizeof(SHELLEXECUTEINFO);
/* info.fMask = SEE_MASK_DEFAULT; */
/* info.hwnd = NULL; */
info.lpVerb = "runas";
info.lpFile = bb_path;
/*
* It seems that when ShellExecuteEx() runs binaries residing in
* certain 'system' directories it sets the current directory of
* the process to %SYSTEMROOT%\System32. Override this by passing
* the directory we want to the shell.
*
* Canonicalise the directory now: if it's in a drive mapped to
* a network share it may not be available once we have elevated
* privileges.
*/
cwd = xmalloc_realpath(getcwd(NULL, 0));
info.lpParameters =
xasprintf("--busybox ash -d \"%s\" -t \"BusyBox ash (Admin)\" ", cwd);
if (opt_command)
info.lpParameters =
xasprintf("%s -s -c \"%s\"", info.lpParameters, opt_command);
/* info.lpDirectory = NULL; */
info.nShow = SW_SHOWNORMAL;
return !ShellExecuteEx(&info);
}
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