📄 chown.c
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/* Chown 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 <stdlib.h> /* For malloc() */
#include <errno.h> /* For errno on SunOS systems */
#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" /* Needed for the externs */
#include "win.h"
#include "color.h"
#include "dlg.h"
#include "widget.h"
#include "dialog.h" /* For do_refresh() */
/* Needed for the extern declarations of integer parameters */
#include "dir.h"
#include "panel.h" /* Needed for the externs */
#include "file.h"
#include "chmod.h"
#include "main.h"
#include "chown.h"
#include "wtools.h" /* For init_box_colors */
#include "../vfs/vfs.h"
#define UX 5
#define UY 2
#define GX 27
#define GY 2
#define BX 5
#define BY 15
#define TX 50
#define TY 2
#define BUTTONS 5
#define B_SETALL B_USER
#define B_SETUSR B_USER + 1
#define B_SETGRP B_USER + 2
/* struct stat *sf_stat; */
static int need_update, end_chown;
static int current_file;
static int single_set;
static WListbox *l_user, *l_group;
static struct {
int ret_cmd, flags, y, x;
char *text;
} chown_but[BUTTONS] = {
{ B_CANCEL, NORMAL_BUTTON, 0, 54, N_("&Cancel") },
{ B_ENTER, DEFPUSH_BUTTON, 0, 44, N_("&Set") },
{ B_SETUSR, NORMAL_BUTTON, 0, 30, N_("Set &users") },
{ B_SETGRP, NORMAL_BUTTON, 0, 15, N_("Set &groups") },
{ B_SETALL, NORMAL_BUTTON, 0, 3, N_("Set &all") },
};
#define LABELS 5
static struct {
int y, x;
WLabel *l;
} chown_label [LABELS] = {
{ TY+2, TX+2 },
{ TY+4, TX+2 },
{ TY+6, TX+2 },
{ TY+8, TX+2 },
{ TY+10,TX+2 }
};
#ifndef HAVE_X
static void chown_refresh (void)
{
attrset (COLOR_NORMAL);
dlg_erase (ch_dlg);
draw_box (ch_dlg, 1, 2, 16, 70);
draw_box (ch_dlg, UY, UX, 12, 21);
draw_box (ch_dlg, GY, GX, 12, 21);
draw_box (ch_dlg, TY, TX, 12, 19);
attrset (COLOR_NORMAL);
dlg_move (ch_dlg, TY + 1, TX + 1);
addstr (N_(" Name "));
dlg_move (ch_dlg, TY + 3, TX + 1);
addstr (N_(" Owner name "));
dlg_move (ch_dlg, TY + 5, TX + 1);
addstr (N_(" Group name "));
dlg_move (ch_dlg, TY + 7, TX + 1);
addstr (N_(" Size "));
dlg_move (ch_dlg, TY + 9, TX + 1);
addstr (N_(" Permission "));
attrset (COLOR_HOT_NORMAL);
dlg_move (ch_dlg, 1, 28);
addstr (N_(" Chown command "));
dlg_move (ch_dlg, UY, UX + 1);
addstr (N_(" User name "));
dlg_move (ch_dlg, GY, GX + 1);
addstr (N_(" Group name "));
dlg_move (ch_dlg, TY, TX + 1);
addstr (N_(" File "));
}
#endif
static char *next_file (void)
{
while (!cpanel->dir.list[current_file].f.marked)
current_file++;
return cpanel->dir.list[current_file].fname;
}
static int chown_callback (Dlg_head * h, int Par, int Msg)
{
switch (Msg) {
#ifndef HAVE_X
case DLG_DRAW:
chown_refresh ();
break;
#endif
}
return 0;
}
static int l_call (void *data)
{
return 1;
}
static void init_chown (void)
{
int i;
struct passwd *l_pass;
struct group *l_grp;
do_refresh ();
end_chown = need_update = current_file = 0;
single_set = (cpanel->marked < 2) ? 3 : 0;
ch_dlg = create_dlg (0, 0, 18, 74, dialog_colors, chown_callback,
"[Chown]", "chown", DLG_CENTER);
#define XTRACT(i) BY+chown_but[i].y, BX+chown_but[i].x, chown_but[i].ret_cmd, chown_but[i].flags, _(chown_but[i].text), 0, 0, NULL
tk_new_frame (ch_dlg, "b.");
for (i = 0; i < BUTTONS-single_set; i++)
add_widget (ch_dlg, button_new (XTRACT (i)));
/* Add the widgets for the file information */
#define LX(i) chown_label [i].y, chown_label [i].x, "", NULL
tk_new_frame (ch_dlg, "l.");
for (i = 0; i < LABELS; i++){
chown_label [i].l = label_new (LX (i));
add_widget (ch_dlg, chown_label [i].l);
}
/* get new listboxes */
l_user = listbox_new (UY + 1, UX + 1, 19, 10, 0, l_call, NULL);
l_group = listbox_new (GY + 1, GX + 1, 19, 10, 0, l_call, NULL);
listbox_add_item (l_user, 0, 0, _("<Unknown user>"), NULL); /* add fields for unknown names (numbers) */
listbox_add_item (l_group, 0, 0, _("<Unknown group>"), NULL);
setpwent (); /* get and put user names in the listbox */
while ((l_pass = getpwent ())) {
listbox_add_item (l_user, 0, 0, l_pass->pw_name, NULL);
}
endpwent ();
setgrent (); /* get and put group names in the listbox */
while ((l_grp = getgrent ())) {
listbox_add_item (l_group, 0, 0, l_grp->gr_name, NULL);
}
endgrent ();
tk_new_frame (ch_dlg, "f.");
add_widget (ch_dlg, l_group);
tk_new_frame (ch_dlg, "g.");
add_widget (ch_dlg, l_user); /* add listboxes to the dialogs */
tk_end_frame ();
}
void chown_done (void)
{
if (need_update)
update_panels (UP_OPTIMIZE, UP_KEEPSEL);
repaint_screen ();
}
static inline void do_chown (uid_t u, gid_t g)
{
if (mc_chown (cpanel->dir.list [current_file].fname, u, g) == -1)
message (1, MSG_ERROR, _(" Couldn't chown \"%s\" \n %s "),
cpanel->dir.list [current_file].fname, unix_error_string (errno));
do_file_mark (cpanel, current_file, 0);
}
static void apply_chowns (uid_t u, gid_t g)
{
char *fname;
need_update = end_chown = 1;
do_chown (u,g);
do {
fname = next_file ();
do_chown (u,g);
} while (cpanel->marked);
}
#define chown_label(n,txt) label_set_text (chown_label [n].l, txt)
void chown_cmd (void)
{
char *fname;
struct stat sf_stat;
WLEntry *fe;
uid_t new_user;
gid_t new_group;
char buffer [15];
if (!vfs_current_is_local ()) {
if (vfs_current_is_extfs ()) {
message (1, _(" Oops... "),
_(" I can't run the Chown command on an extfs "));
return;
} else if (vfs_current_is_tarfs ()) {
message (1, _(" Oops... "),
_(" I can't run the Chown command on a tarfs "));
return;
}
}
do { /* do while any files remaining */
init_chown ();
new_user = new_group = -1;
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;
}
/* select in listboxes */
fe = listbox_search_text (l_user, get_owner(sf_stat.st_uid));
if (fe)
listbox_select_entry (l_user, fe);
fe = listbox_search_text (l_group, get_group(sf_stat.st_gid));
if (fe)
listbox_select_entry (l_group, fe);
chown_label (0, name_trunc (fname, 15));
chown_label (1, name_trunc (get_owner (sf_stat.st_uid), 15));
chown_label (2, name_trunc (get_group (sf_stat.st_gid), 15));
sprintf (buffer, "%d", c_fsize);
chown_label (3, buffer);
chown_label (4, string_perm (sf_stat.st_mode));
run_dlg (ch_dlg);
switch (ch_dlg->ret_value) {
case B_CANCEL:
end_chown = 1;
break;
case B_SETUSR:
{
struct passwd *user;
user = getpwnam (l_user->current->text);
if (user){
new_user = user->pw_uid;
apply_chowns (new_user, new_group);
}
break;
}
case B_SETGRP:
{
struct group *grp;
grp = getgrnam (l_group->current->text);
if (grp){
new_group = grp->gr_gid;
apply_chowns (new_user, new_group);
}
break;
}
case B_SETALL:
case B_ENTER:
{
struct group *grp;
struct passwd *user;
grp = getgrnam (l_group->current->text);
if (grp)
new_group = grp->gr_gid;
user = getpwnam (l_user->current->text);
if (user)
new_user = user->pw_uid;
if (ch_dlg->ret_value==B_ENTER) {
need_update = 1;
if (mc_chown (fname, new_user, new_group) == -1)
message (1, MSG_ERROR, _(" Couldn't chown \"%s\" \n %s "),
fname, unix_error_string (errno));
} else
apply_chowns (new_user, new_group);
break;
}
}
if (cpanel->marked && ch_dlg->ret_value != B_CANCEL){
do_file_mark (cpanel, current_file, 0);
need_update = 1;
}
destroy_dlg (ch_dlg);
} while (cpanel->marked && !end_chown);
chown_done ();
}
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