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mc/src/chown.c

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/* Chown command -- for the Midnight Commander
Copyright (C) 1994, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
2007 Free Software Foundation, Inc.
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
/** \file chown.c
* \brief Source: chown command
*/
#include <config.h>
#include <errno.h>
#include <stdio.h>
#include <string.h>
#include <pwd.h>
#include <grp.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include "lib/global.h"
#include "lib/tty/tty.h"
#include "lib/skin.h"
#include "lib/vfs/mc-vfs/vfs.h"
#include "lib/strutil.h"
#include "dialog.h"
#include "widget.h"
/* Needed for the extern declarations of integer parameters */
#include "chmod.h"
#include "main.h" /* update_panels() */
#include "layout.h" /* repaint_screen() */
#include "chown.h"
#include "wtools.h" /* init_box_colors() */
#include "setup.h" /* panels_options */
#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)
static int need_update, end_chown;
static int current_file;
static int single_set;
static WListbox *l_user, *l_group;
/* *INDENT-OFF* */
static struct
{
int ret_cmd, flags, y, x;
const char *text;
} chown_but[BUTTONS] = {
{ B_CANCEL, NORMAL_BUTTON, 0, 53, N_("&Cancel") },
{ B_ENTER, DEFPUSH_BUTTON, 0, 40, N_("&Set") },
{ B_SETUSR, NORMAL_BUTTON, 0, 25, N_("Set &users") },
{ B_SETGRP, NORMAL_BUTTON, 0, 11, N_("Set &groups") },
{ B_SETALL, NORMAL_BUTTON, 0, 0, N_("Set &all") },
};
#define LABELS 5
static struct {
int y, x;
WLabel *l;
} chown_label [LABELS] = {
{ TY + 2, TX + 2, NULL },
{ TY + 4, TX + 2, NULL },
{ TY + 6, TX + 2, NULL },
{ TY + 8, TX + 2, NULL },
{ TY + 10, TX + 2, NULL }
};
/* *INDENT-ON* */
static void
chown_refresh (Dlg_head * h)
{
common_dialog_repaint (h);
tty_setcolor (COLOR_NORMAL);
dlg_move (h, TY + 1, TX + 2);
tty_print_string (_("Name"));
dlg_move (h, TY + 3, TX + 2);
tty_print_string (_("Owner name"));
dlg_move (h, TY + 5, TX + 2);
tty_print_string (_("Group name"));
dlg_move (h, TY + 7, TX + 2);
tty_print_string (_("Size"));
dlg_move (h, TY + 9, TX + 2);
tty_print_string (_("Permission"));
}
static char *
next_file (void)
{
while (!current_panel->dir.list[current_file].f.marked)
current_file++;
return current_panel->dir.list[current_file].fname;
}
static cb_ret_t
chown_callback (Dlg_head * h, Widget * sender, dlg_msg_t msg, int parm, void *data)
{
switch (msg)
{
case DLG_DRAW:
chown_refresh (h);
return MSG_HANDLED;
default:
return default_dlg_callback (h, sender, msg, parm, data);
}
}
static Dlg_head *
init_chown (void)
{
int i;
struct passwd *l_pass;
struct group *l_grp;
Dlg_head *ch_dlg;
do_refresh ();
end_chown = need_update = current_file = 0;
single_set = (current_panel->marked < 2) ? 3 : 0;
ch_dlg =
create_dlg (TRUE, 0, 0, 18, 74, dialog_colors, chown_callback, "[Chown]",
_("Chown command"), DLG_CENTER | DLG_REVERSE);
for (i = 0; i < BUTTONS - single_set; i++)
add_widget (ch_dlg,
button_new (BY + chown_but[i].y, BX + chown_but[i].x,
chown_but[i].ret_cmd, chown_but[i].flags, _(chown_but[i].text), 0));
/* Add the widgets for the file information */
for (i = 0; i < LABELS; i++)
{
chown_label[i].l = label_new (chown_label[i].y, chown_label[i].x, "");
add_widget (ch_dlg, chown_label[i].l);
}
/* get new listboxes */
l_user = listbox_new (UY + 1, UX + 1, 10, 19, FALSE, NULL);
l_group = listbox_new (GY + 1, GX + 1, 10, 19, FALSE, NULL);
/* add fields for unknown names (numbers) */
listbox_add_item (l_user, LISTBOX_APPEND_AT_END, 0, _("<Unknown user>"), NULL);
listbox_add_item (l_group, LISTBOX_APPEND_AT_END, 0, _("<Unknown group>"), NULL);
/* get and put user names in the listbox */
setpwent ();
while ((l_pass = getpwent ()) != NULL)
{
listbox_add_item (l_user, LISTBOX_APPEND_SORTED, 0, l_pass->pw_name, NULL);
}
endpwent ();
/* get and put group names in the listbox */
setgrent ();
while ((l_grp = getgrent ()) != NULL)
{
listbox_add_item (l_group, LISTBOX_APPEND_SORTED, 0, l_grp->gr_name, NULL);
}
endgrent ();
add_widget (ch_dlg, groupbox_new (TY, TX, 12, 19, _("File")));
/* add listboxes to the dialogs */
add_widget (ch_dlg, l_group);
add_widget (ch_dlg, groupbox_new (GY, GX, 12, 21, _("Group name")));
add_widget (ch_dlg, l_user);
add_widget (ch_dlg, groupbox_new (UY, UX, 12, 21, _("User name")));
return ch_dlg;
}
static void
chown_done (void)
{
if (need_update)
update_panels (UP_OPTIMIZE, UP_KEEPSEL);
repaint_screen ();
}
static void
do_chown (uid_t u, gid_t g)
{
if (mc_chown (current_panel->dir.list[current_file].fname, u, g) == -1)
message (D_ERROR, MSG_ERROR, _("Cannot chown \"%s\"\n%s"),
current_panel->dir.list[current_file].fname, unix_error_string (errno));
do_file_mark (current_panel, 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 (current_panel->marked);
}
#define chown_label(n,txt) label_set_text (chown_label [n].l, txt)
void
chown_cmd (void)
{
char *fname;
struct stat sf_stat;
Dlg_head *ch_dlg;
uid_t new_user;
gid_t new_group;
char buffer[BUF_TINY];
do
{ /* do while any files remaining */
ch_dlg = init_chown ();
new_user = new_group = -1;
if (current_panel->marked)
fname = next_file (); /* next marked file */
else
fname = selection (current_panel)->fname; /* single file */
if (mc_stat (fname, &sf_stat) != 0)
{ /* get status of file */
destroy_dlg (ch_dlg);
break;
}
/* select in listboxes */
listbox_select_entry (l_user, listbox_search_text (l_user, get_owner (sf_stat.st_uid)));
listbox_select_entry (l_group, listbox_search_text (l_group, get_group (sf_stat.st_gid)));
chown_label (0, str_trunc (fname, 15));
chown_label (1, str_trunc (get_owner (sf_stat.st_uid), 15));
chown_label (2, str_trunc (get_group (sf_stat.st_gid), 15));
size_trunc_len (buffer, 15, sf_stat.st_size, 0, panels_options.kilobyte_si);
chown_label (3, buffer);
chown_label (4, string_perm (sf_stat.st_mode));
switch (run_dlg (ch_dlg))
{
case B_CANCEL:
end_chown = 1;
break;
case B_SETUSR:
{
struct passwd *user;
char *text;
listbox_get_current (l_user, &text, NULL);
user = getpwnam (text);
if (user)
{
new_user = user->pw_uid;
apply_chowns (new_user, new_group);
}
break;
}
case B_SETGRP:
{
struct group *grp;
char *text;
listbox_get_current (l_group, &text, NULL);
grp = getgrnam (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;
char *text;
listbox_get_current (l_group, &text, NULL);
grp = getgrnam (text);
if (grp)
new_group = grp->gr_gid;
listbox_get_current (l_user, &text, NULL);
user = getpwnam (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 (D_ERROR, MSG_ERROR, _("Cannot chown \"%s\"\n%s"),
fname, unix_error_string (errno));
}
else
apply_chowns (new_user, new_group);
break;
}
} /* switch */
if (current_panel->marked && ch_dlg->ret_value != B_CANCEL)
{
do_file_mark (current_panel, current_file, 0);
need_update = 1;
}
destroy_dlg (ch_dlg);
}
while (current_panel->marked && !end_chown);
chown_done ();
}
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