📄 chmod.c
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/* Chmod command -- for the Midnight Commander
Copyright (C) 1994 Radek Doulik
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <config.h>
#include <string.h>
#include <stdio.h>
#include <errno.h> /* For errno on SunOS systems */
/* Needed for the extern declarations of integer parameters */
#include <sys/types.h>
#include <sys/param.h>
#include <sys/stat.h>
#include <grp.h>
#include <pwd.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#include "tty.h"
#include "mad.h"
#include "util.h"
#include "win.h"
#include "color.h"
#include "dlg.h"
#include "widget.h"
#include "dialog.h" /* For do_refresh() */
#include "dir.h"
#include "panel.h" /* Needed for the externs */
#include "file.h"
#include "main.h"
#include "chmod.h"
#include "achown.h"
#include "chown.h"
#include "../vfs/vfs.h"
#ifdef HAVE_TK
# include "tkmain.h"
#endif
static int single_set;
struct Dlg_head *ch_dlg;
#define PX 5
#define PY 2
#define FX 40
#define FY 2
#define BX 6
#define BY 17
#define TX 40
#define TY 12
#define PERMISSIONS 12
#define BUTTONS 6
#define B_MARKED B_USER
#define B_ALL B_USER+1
#define B_SETMRK B_USER+2
#define B_CLRMRK B_USER+3
int mode_change, need_update;
int c_file, end_chmod;
umode_t and_mask, or_mask, c_stat;
char *c_fname, *c_fown, *c_fgrp, *c_fperm;
int c_fsize;
static WLabel *statl;
static int normal_color;
static int title_color;
static int selection_color;
struct {
mode_t mode;
char *text;
int selected;
WCheck *check;
} check_perm[PERMISSIONS] =
{
{ S_IXOTH, N_("execute/search by others"), 0, 0, },
{ S_IWOTH, N_("write by others"), 0, 0, },
{ S_IROTH, N_("read by others"), 0, 0, },
{ S_IXGRP, N_("execute/search by group"), 0, 0, },
{ S_IWGRP, N_("write by group"), 0, 0, },
{ S_IRGRP, N_("read by group"), 0, 0, },
{ S_IXUSR, N_("execute/search by owner"), 0, 0, },
{ S_IWUSR, N_("write by owner"), 0, 0, },
{ S_IRUSR, N_("read by owner"), 0, 0, },
{ S_ISVTX, N_("sticky bit"), 0, 0, },
{ S_ISGID, N_("set group ID on execution"), 0, 0, },
{ S_ISUID, N_("set user ID on execution"), 0, 0, },
};
struct {
int ret_cmd, flags, y, x;
char *text;
} chmod_but[BUTTONS] =
{
{ B_CANCEL, NORMAL_BUTTON, 2, 33, N_("&Cancel") },
{ B_ENTER, DEFPUSH_BUTTON, 2, 17, N_("&Set") },
{ B_CLRMRK, NORMAL_BUTTON, 0, 42, N_("C&lear marked") },
{ B_SETMRK, NORMAL_BUTTON, 0, 27, N_("S&et marked") },
{ B_MARKED, NORMAL_BUTTON, 0, 12, N_("&Marked all") },
{ B_ALL, NORMAL_BUTTON, 0, 0, N_("Set &all") },
};
#ifdef HAVE_X
static void chmod_toggle_select (void)
{
#ifdef HAVE_TK
char *wn = (char *) ch_dlg->current->widget->wdata;
int id = ch_dlg->current->dlg_id -BUTTONS + single_set * 2;
check_perm [id].selected ^= 1;
tk_evalf ("%s configure -color $setup(%s)",
wn+1, check_perm [id].selected ? "marked":"black");
#endif
}
#else
static void chmod_toggle_select (void)
{
int Id = ch_dlg->current->dlg_id - BUTTONS + single_set * 2;
attrset (normal_color);
check_perm[Id].selected ^= 1;
dlg_move (ch_dlg, PY + PERMISSIONS - Id, PX + 1);
addch ((check_perm[Id].selected) ? '*' : ' ');
dlg_move (ch_dlg, PY + PERMISSIONS - Id, PX + 3);
}
static void chmod_refresh (void)
{
attrset (COLOR_NORMAL);
dlg_erase (ch_dlg);
draw_box (ch_dlg, 1, 2, 20 - single_set, 66);
draw_box (ch_dlg, PY, PX, PERMISSIONS + 2, 33);
draw_box (ch_dlg, FY, FX, 10, 25);
dlg_move (ch_dlg, FY + 1, FX + 2);
addstr (_("Name"));
dlg_move (ch_dlg, FY + 3, FX + 2);
addstr (_("Permissions (Octal)"));
dlg_move (ch_dlg, FY + 5, FX + 2);
addstr (_("Owner name"));
dlg_move (ch_dlg, FY + 7, FX + 2);
addstr (_("Group name"));
attrset (title_color);
dlg_move (ch_dlg, 1, 28);
addstr (_(" Chmod command "));
dlg_move (ch_dlg, PY, PX + 1);
addstr (_(" Permission "));
dlg_move (ch_dlg, FY, FX + 1);
addstr (_(" File "));
attrset (selection_color);
dlg_move (ch_dlg, TY, TX);
addstr (_("Use SPACE to change"));
dlg_move (ch_dlg, TY + 1, TX);
addstr (_("an option, ARROW KEYS"));
dlg_move (ch_dlg, TY + 2, TX);
addstr (_("to move between options"));
dlg_move (ch_dlg, TY + 3, TX);
addstr (_("and T or INS to mark"));
}
#endif
static int chmod_callback (Dlg_head *h, int Par, int Msg)
{
char buffer [10];
switch (Msg) {
case DLG_ACTION:
if (Par >= BUTTONS - single_set * 2){
c_stat ^= check_perm[Par - BUTTONS + single_set * 2].mode;
sprintf (buffer, "%o", c_stat);
label_set_text (statl, buffer);
chmod_toggle_select ();
mode_change = 1;
}
break;
case DLG_KEY:
if ((Par == 'T' || Par == 't' || Par == KEY_IC) &&
ch_dlg->current->dlg_id >= BUTTONS - single_set * 2) {
chmod_toggle_select ();
if (Par == KEY_IC)
dlg_one_down (ch_dlg);
return 1;
}
break;
#ifndef HAVE_X
case DLG_DRAW:
chmod_refresh ();
break;
#endif
}
return 0;
}
static void init_chmod (void)
{
int i;
do_refresh ();
end_chmod = c_file = need_update = 0;
single_set = (cpanel->marked < 2) ? 2 : 0;
if (use_colors){
normal_color = COLOR_NORMAL;
title_color = COLOR_HOT_NORMAL;
selection_color = COLOR_NORMAL;
} else {
normal_color = NORMAL_COLOR;
title_color = SELECTED_COLOR;
selection_color = SELECTED_COLOR;
}
ch_dlg = create_dlg (0, 0, 22 - single_set, 70, dialog_colors,
chmod_callback, "[Chmod]", "chmod", DLG_CENTER);
x_set_dialog_title (ch_dlg, _("Chmod command"));
#define XTRACT(i) BY+chmod_but[i].y-single_set, BX+chmod_but[i].x, \
chmod_but[i].ret_cmd, chmod_but[i].flags, _(chmod_but[i].text), 0, 0, NULL
tk_new_frame (ch_dlg, "b.");
for (i = 0; i < BUTTONS; i++) {
if (i == 2 && single_set)
break;
else
add_widgetl (ch_dlg, button_new (XTRACT (i)), XV_WLAY_RIGHTOF);
}
#define XTRACT2(i) 0, _(check_perm [i].text), NULL
tk_new_frame (ch_dlg, "c.");
for (i = 0; i < PERMISSIONS; i++) {
check_perm[i].check = check_new (PY + (PERMISSIONS - i), PX + 2,
XTRACT2 (i));
add_widget (ch_dlg, check_perm[i].check);
}
}
int stat_file (char *filename, struct stat *st)
{
if (mc_stat (filename, st))
return 0;
if (!(S_ISREG(st->st_mode) || S_ISDIR(st->st_mode) ||
S_ISLNK(st->st_mode)))
return 0;
return 1;
}
static void chmod_done (void)
{
if (need_update)
update_panels (UP_OPTIMIZE, UP_KEEPSEL);
repaint_screen ();
}
static char *next_file (void)
{
while (!cpanel->dir.list[c_file].f.marked)
c_file++;
return cpanel->dir.list[c_file].fname;
}
static void do_chmod (struct stat *sf)
{
sf->st_mode &= and_mask;
sf->st_mode |= or_mask;
if (mc_chmod (cpanel->dir.list [c_file].fname, sf->st_mode) == -1)
message (1, MSG_ERROR, _(" Couldn't chmod \"%s\" \n %s "),
cpanel->dir.list [c_file].fname, unix_error_string (errno));
do_file_mark (cpanel, c_file, 0);
}
static void apply_mask (struct stat *sf)
{
char *fname;
need_update = end_chmod = 1;
do_chmod (sf);
do {
fname = next_file ();
if (!stat_file (fname, sf))
return;
c_stat = sf->st_mode;
do_chmod (sf);
} while (cpanel->marked);
}
void chmod_cmd (void)
{
char buffer [10];
char *fname;
int i;
struct stat sf_stat;
if (!vfs_current_is_local ()) {
if (vfs_current_is_extfs ()) {
message (1, _(" Oops... "),
_(" I can't run the Chmod command on an extfs "));
return;
} else if (vfs_current_is_tarfs ()) {
message (1, _(" Oops... "),
(" I can't run the Chmod command on a tarfs "));
return;
}
}
do { /* do while any files remaining */
init_chmod ();
if (cpanel->marked)
fname = next_file (); /* next marked file */
else
fname = selection (cpanel)->fname; /* single file */
if (!stat_file (fname, &sf_stat)){ /* get status of file */
destroy_dlg (ch_dlg);
break;
}
c_stat = sf_stat.st_mode;
mode_change = 0; /* clear changes flag */
/* set check buttons */
for (i = 0; i < PERMISSIONS; i++){
check_perm[i].check->state = (c_stat & check_perm[i].mode) ? 1 : 0;
check_perm[i].selected = 0;
}
tk_new_frame (ch_dlg, "l.");
/* Set the labels */
c_fname = name_trunc (fname, 21);
add_widget (ch_dlg, label_new (FY+2, FX+2, c_fname, NULL));
c_fown = name_trunc (get_owner (sf_stat.st_uid), 21);
add_widget (ch_dlg, label_new (FY+6, FX+2, c_fown, NULL));
c_fgrp = name_trunc (get_group (sf_stat.st_gid), 21);
add_widget (ch_dlg, label_new (FY+8, FX+2, c_fgrp, NULL));
sprintf (buffer, "%o", c_stat);
statl = label_new (FY+4, FX+2, buffer, NULL);
add_widget (ch_dlg, statl);
tk_end_frame ();
run_dlg (ch_dlg); /* retrieve an action */
/* do action */
switch (ch_dlg->ret_value){
case B_ENTER:
if (mode_change)
if (mc_chmod (fname, c_stat) == -1)
message (1, MSG_ERROR, _(" Couldn't chmod \"%s\" \n %s "),
fname, unix_error_string (errno));
need_update = 1;
break;
case B_CANCEL:
end_chmod = 1;
break;
case B_ALL:
case B_MARKED:
and_mask = or_mask = 0;
and_mask = ~and_mask;
for (i = 0; i < PERMISSIONS; i++) {
if (check_perm[i].selected || ch_dlg->ret_value == B_ALL)
if (check_perm[i].check->state & C_BOOL)
or_mask |= check_perm[i].mode;
else
and_mask &= ~check_perm[i].mode;
}
apply_mask (&sf_stat);
break;
case B_SETMRK:
and_mask = or_mask = 0;
and_mask = ~and_mask;
for (i = 0; i < PERMISSIONS; i++) {
if (check_perm[i].selected)
or_mask |= check_perm[i].mode;
}
apply_mask (&sf_stat);
break;
case B_CLRMRK:
and_mask = or_mask = 0;
and_mask = ~and_mask;
for (i = 0; i < PERMISSIONS; i++) {
if (check_perm[i].selected)
and_mask &= ~check_perm[i].mode;
}
apply_mask (&sf_stat);
break;
}
if (cpanel->marked && ch_dlg->ret_value!=B_CANCEL) {
do_file_mark (cpanel, c_file, 0);
need_update = 1;
}
destroy_dlg (ch_dlg);
} while (cpanel->marked && !end_chmod);
chmod_done ();
}
void ch1_cmd (int id)
{
if (advanced_chfns)
chown_advanced_cmd ();
else
chmod_cmd ();
}
void ch2_cmd (int id)
{
if (advanced_chfns)
chown_advanced_cmd ();
else
chown_cmd ();
}
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