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mc/src/achown.c

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/* Chown-advanced command -- for the Midnight Commander
Copyright (C) 1994, 1995 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <config.h>
/* Needed for the extern declarations of integer parameters */
#include <sys/types.h>
#include <sys/stat.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#include <string.h>
#include <stdio.h>
#include <errno.h> /* For errno on SunOS systems */
#include "global.h"
#include "tty.h"
#include "win.h"
#include "color.h"
#include "dlg.h"
#include "widget.h"
#include "dialog.h" /* For do_refresh() */
#include "wtools.h" /* For init_box_colors() */
#include "key.h" /* XCTRL and ALT macros */
#include "dir.h"
#include "panel.h" /* Needed for the externs */
#include "chmod.h"
#include "main.h"
#include "achown.h"
#define BX 5
#define BY 6
#define TX 50
#define TY 2
#define BUTTONS 9
#define B_SETALL B_USER
#define B_SKIP B_USER + 1
#define B_OWN B_USER + 3
#define B_GRP B_USER + 4
#define B_OTH B_USER + 5
#define B_OUSER B_USER + 6
#define B_OGROUP B_USER + 7
static struct Dlg_head *ch_dlg;
static struct {
int ret_cmd, flags, y, x;
char *text;
} chown_advanced_but [BUTTONS] = {
{ B_CANCEL, NORMAL_BUTTON, 4, 53, N_("&Cancel") },
{ B_ENTER, DEFPUSH_BUTTON,4, 40, N_("&Set") },
{ B_SKIP, NORMAL_BUTTON, 4, 23, N_("S&kip") },
{ B_SETALL, NORMAL_BUTTON, 4, 0, N_("Set &all")},
{ B_ENTER, NARROW_BUTTON, 0, 47, " "},
{ B_ENTER, NARROW_BUTTON, 0, 29, " "},
{ B_ENTER, NARROW_BUTTON, 0, 19, " "},
{ B_ENTER, NARROW_BUTTON, 0, 11, " "},
{ B_ENTER, NARROW_BUTTON, 0, 3, " "},
};
static WButton *b_att[3]; /* permission */
static WButton *b_user, *b_group; /* owner */
static int files_on_begin; /* Number of files at startup */
static int flag_pos;
static int x_toggle;
static char ch_flags[11];
static const char ch_perm[] = "rwx";
static umode_t ch_cmode;
static struct stat *sf_stat;
static int need_update;
static int end_chown;
static int current_file;
static int single_set;
static char *fname;
static void get_ownership (void)
{ /* set buttons - ownership */
char *name_t;
name_t = name_trunc (get_owner (sf_stat->st_uid), 15);
memset (b_user->text, ' ', 15);
strncpy (b_user->text, name_t, strlen (name_t));
name_t = name_trunc (get_group (sf_stat->st_gid), 15);
memset (b_group->text, ' ', 15);
strncpy (b_group->text, name_t, strlen (name_t));
}
static int inc_flag_pos (int f_pos)
{
if (flag_pos == 10) {
flag_pos = 0;
return 0;
}
flag_pos++;
if (!(flag_pos % 3) || f_pos > 2)
return 0;
return 1;
}
static int dec_flag_pos (int f_pos)
{
if (!flag_pos) {
flag_pos = 10;
return 0;
}
flag_pos--;
if (!((flag_pos + 1) % 3) || f_pos > 2)
return 0;
return 1;
}
static void set_perm_by_flags (char *s, int f_p)
{
int i;
for (i = 0; i < 3; i++) {
if (ch_flags[f_p + i] == '+')
s[i] = ch_perm[i];
else if (ch_flags[f_p + i] == '-')
s[i] = '-';
else
s[i] = (ch_cmode & (1 << (8 - f_p - i))) ? ch_perm[i] : '-';
}
}
static umode_t get_perm (char *s, int base)
{
umode_t m;
m = 0;
m |= (s [0] == '-') ? 0 :
((s[0] == '+') ? (1 << (base + 2)) : (1 << (base + 2)) & ch_cmode);
m |= (s [1] == '-') ? 0 :
((s[1] == '+') ? (1 << (base + 1)) : (1 << (base + 1)) & ch_cmode);
m |= (s [2] == '-') ? 0 :
((s[2] == '+') ? (1 << base) : (1 << base) & ch_cmode);
return m;
}
static umode_t get_mode (void)
{
umode_t m;
m = ch_cmode ^ (ch_cmode & 0777);
m |= get_perm (ch_flags, 6);
m |= get_perm (ch_flags + 3, 3);
m |= get_perm (ch_flags + 6, 0);
return m;
}
static void print_flags (void)
{
int i;
attrset (COLOR_NORMAL);
for (i = 0; i < 3; i++){
dlg_move (ch_dlg, BY+1, 9+i);
addch (ch_flags [i]);
}
for (i = 0; i < 3; i++){
dlg_move (ch_dlg, BY + 1, 17 + i);
addch (ch_flags [i+3]);
}
for (i = 0; i < 3; i++){
dlg_move (ch_dlg, BY + 1, 25 + i);
addch (ch_flags [i+6]);
}
set_perm_by_flags (b_att[0]->text, 0);
set_perm_by_flags (b_att[1]->text, 3);
set_perm_by_flags (b_att[2]->text, 6);
for (i = 0; i < 15; i++){
dlg_move (ch_dlg, BY+1, 35+i);
addch (ch_flags[9]);
}
for (i = 0; i < 15; i++){
dlg_move (ch_dlg, BY + 1, 53 + i);
addch (ch_flags[10]);
}
}
static void update_mode (Dlg_head * h)
{
print_flags ();
attrset (COLOR_NORMAL);
dlg_move (h, BY + 2, 9);
printw ("%12o", get_mode ());
send_message (h->current->widget, WIDGET_FOCUS, 0);
}
static int l_call (void *data)
{
return 1;
}
static int chl_callback (Dlg_head * h, int Par, int Msg)
{
switch (Msg) {
case DLG_DRAW:
common_dialog_repaint (h);
break;
case DLG_KEY:
switch (Par) {
case KEY_LEFT:
case KEY_RIGHT:
h->ret_value = Par;
dlg_stop (h);
}
}
return 0;
}
static void
do_enter_key (Dlg_head * h, int f_pos)
{
Dlg_head *chl_dlg;
WListbox *chl_list;
struct passwd *chl_pass;
struct group *chl_grp;
WLEntry *fe;
int lxx, lyy, chl_end, b_pos;
int is_owner;
char *title;
do {
is_owner = (f_pos == 3);
title = is_owner ? _("owner") : _("group");
lxx = (COLS - 74) / 2 + (is_owner ? 35 : 53);
lyy = (LINES - 13) / 2;
chl_end = 0;
chl_dlg =
create_dlg (lyy, lxx, 13, 17, dialog_colors, chl_callback,
"[Advanced Chown]", title, DLG_COMPACT);
/* get new listboxes */
chl_list = listbox_new (1, 1, 15, 11, 0, l_call, NULL);
listbox_add_item (chl_list, 0, 0, "<Unknown>", NULL);
if (is_owner) {
/* get and put user names in the listbox */
setpwent ();
while ((chl_pass = getpwent ()))
listbox_add_item (chl_list, 0, 0, chl_pass->pw_name, NULL);
endpwent ();
fe = listbox_search_text (chl_list,
get_owner (sf_stat->st_uid));
} else {
/* get and put group names in the listbox */
setgrent ();
while ((chl_grp = getgrent ())) {
listbox_add_item (chl_list, 0, 0, chl_grp->gr_name, NULL);
}
endgrent ();
fe = listbox_search_text (chl_list,
get_group (sf_stat->st_gid));
}
if (fe)
listbox_select_entry (chl_list, fe);
b_pos = chl_list->pos;
add_widget (chl_dlg, chl_list);
run_dlg (chl_dlg);
if (b_pos != chl_list->pos) {
int ok = 0;
if (is_owner) {
chl_pass = getpwnam (chl_list->current->text);
if (chl_pass) {
ok = 1;
sf_stat->st_uid = chl_pass->pw_uid;
}
} else {
chl_grp = getgrnam (chl_list->current->text);
if (chl_grp) {
sf_stat->st_gid = chl_grp->gr_gid;
ok = 1;
}
}
if (ok) {
ch_flags[f_pos + 6] = '+';
get_ownership ();
}
dlg_focus (h);
if (ok)
print_flags ();
}
if (chl_dlg->ret_value == KEY_LEFT) {
if (!is_owner)
chl_end = 1;
dlg_one_up (ch_dlg);
f_pos--;
} else if (chl_dlg->ret_value == KEY_RIGHT) {
if (is_owner)
chl_end = 1;
dlg_one_down (ch_dlg);
f_pos++;
}
/* Here we used to redraw the window */
destroy_dlg (chl_dlg);
} while (chl_end);
}
static void chown_refresh (void)
{
common_dialog_repaint (ch_dlg);
attrset (COLOR_NORMAL);
dlg_move (ch_dlg, BY - 1, 8);
addstr (_("owner"));
dlg_move (ch_dlg, BY - 1, 16);
addstr (_("group"));
dlg_move (ch_dlg, BY - 1, 24);
addstr (_("other"));
dlg_move (ch_dlg, BY - 1, 35);
addstr (_("owner"));
dlg_move (ch_dlg, BY - 1, 53);
addstr (_("group"));
dlg_move (ch_dlg, 3, 4);
addstr (_("On"));
dlg_move (ch_dlg, BY + 1, 4);
addstr (_("Flag"));
dlg_move (ch_dlg, BY + 2, 4);
addstr (_("Mode"));
if (!single_set){
dlg_move (ch_dlg, 3, 54);
printw (_("%6d of %d"), files_on_begin - (cpanel->marked) + 1,
files_on_begin);
}
print_flags ();
}
static void chown_info_update (void)
{
/* display file info */
attrset (COLOR_NORMAL);
/* name && mode */
dlg_move (ch_dlg, 3, 8);
printw ("%s", name_trunc (fname, 45));
dlg_move (ch_dlg, BY + 2, 9);
printw ("%12o", get_mode ());
/* permissions */
set_perm_by_flags (b_att[0]->text, 0);
set_perm_by_flags (b_att[1]->text, 3);
set_perm_by_flags (b_att[2]->text, 6);
}
static void b_setpos (int f_pos) {
b_att[0]->hotpos=-1;
b_att[1]->hotpos=-1;
b_att[2]->hotpos=-1;
b_att[f_pos]->hotpos = (flag_pos % 3);
}
static int advanced_chown_callback (Dlg_head * h, int Par, int Msg)
{
int i = 0, f_pos = BUTTONS - h->current->dlg_id - single_set - 1;
switch (Msg) {
case DLG_DRAW:
chown_refresh ();
chown_info_update ();
return 1;
case DLG_POST_KEY:
if (f_pos < 3)
b_setpos (f_pos);
break;
case DLG_FOCUS:
if (f_pos < 3) {
if ((flag_pos / 3) != f_pos)
flag_pos = f_pos * 3;
b_setpos (f_pos);
} else if (f_pos < 5)
flag_pos = f_pos + 6;
break;
case DLG_KEY:
switch (Par) {
case XCTRL('b'):
case KEY_LEFT:
if (f_pos < 5)
return (dec_flag_pos (f_pos));
break;
case XCTRL('f'):
case KEY_RIGHT:
if (f_pos < 5)
return (inc_flag_pos (f_pos));
break;
case ' ':
if (f_pos < 3)
return 1;
break;
case '\n':
case KEY_ENTER:
if (f_pos <= 2 || f_pos >= 5)
break;
do_enter_key (h, f_pos);
return 1;
case ALT ('x'):
i++;
case ALT ('w'):
i++;
case ALT ('r'):
Par = i + 3;
for (i = 0; i < 3; i++)
ch_flags[i * 3 + Par - 3] = (x_toggle & (1 << Par)) ? '-' : '+';
x_toggle ^= (1 << Par);
update_mode (h);
dlg_broadcast_msg (h, WIDGET_DRAW, 0);
send_message (h->current->widget, WIDGET_FOCUS, 0);
break;
case XCTRL ('x'):
i++;
case XCTRL ('w'):
i++;
case XCTRL ('r'):
Par = i;
for (i = 0; i < 3; i++)
ch_flags[i * 3 + Par] = (x_toggle & (1 << Par)) ? '-' : '+';
x_toggle ^= (1 << Par);
update_mode (h);
dlg_broadcast_msg (h, WIDGET_DRAW, 0);
send_message (h->current->widget, WIDGET_FOCUS, 0);
break;
case 'x':
i++;
case 'w':
i++;
case 'r':
if (f_pos > 2)
break;
flag_pos = f_pos * 3 + i; /* (strchr(ch_perm,Par)-ch_perm); */
if (((WButton *) h->current->widget)->text[(flag_pos % 3)] == '-')
ch_flags[flag_pos] = '+';
else
ch_flags[flag_pos] = '-';
update_mode (h);
break;
case '4':
i++;
case '2':
i++;
case '1':
if (f_pos > 2)
break;
flag_pos = i + f_pos * 3;
ch_flags[flag_pos] = '=';
update_mode (h);
break;
case '-':
if (f_pos > 2)
break;
case '*':
if (Par == '*')
Par = '=';
case '=':
case '+':
if (f_pos > 4)
break;
ch_flags[flag_pos] = Par;
update_mode (h);
advanced_chown_callback (h, KEY_RIGHT, DLG_KEY);
if (flag_pos>8 || !(flag_pos%3)) dlg_one_down (h);
break;
}
return 0;
}
return 0;
}
static void
init_chown_advanced (void)
{
int i;
sf_stat = g_new (struct stat, 1);
do_refresh ();
end_chown = need_update = current_file = 0;
single_set = (cpanel->marked < 2) ? 2 : 0;
memset (ch_flags, '=', 11);
flag_pos = 0;
x_toggle = 070;
ch_dlg =
create_dlg (0, 0, 13, 74, dialog_colors, advanced_chown_callback,
"[Advanced Chown]", _(" Chown advanced command "),
DLG_CENTER);
#define XTRACT(i) BY+chown_advanced_but[i].y, BX+chown_advanced_but[i].x, \
chown_advanced_but[i].ret_cmd, chown_advanced_but[i].flags, _(chown_advanced_but[i].text), \
0, 0, NULL
for (i = 0; i < BUTTONS - 5; i++)
if (!single_set || i < 2)
add_widget (ch_dlg, button_new (XTRACT (i)));
b_att[0] = button_new (XTRACT (8));
b_att[1] = button_new (XTRACT (7));
b_att[2] = button_new (XTRACT (6));
b_user = button_new (XTRACT (5));
b_group = button_new (XTRACT (4));
add_widget (ch_dlg, b_group);
add_widget (ch_dlg, b_user);
add_widget (ch_dlg, b_att[2]);
add_widget (ch_dlg, b_att[1]);
add_widget (ch_dlg, b_att[0]);
}
static void
chown_advanced_done (void)
{
g_free (sf_stat);
if (need_update)
update_panels (UP_OPTIMIZE, UP_KEEPSEL);
repaint_screen ();
}
#if 0
static inline void do_chown (uid_t u, gid_t g)
{
chown (cpanel->dir.list[current_file].fname, u, g);
file_mark (cpanel, current_file, 0);
}
#endif
static char *next_file (void)
{
while (!cpanel->dir.list[current_file].f.marked)
current_file++;
return cpanel->dir.list[current_file].fname;
}
static void apply_advanced_chowns (struct stat *sf)
{
char *fname;
gid_t a_gid = sf->st_gid;
uid_t a_uid = sf->st_uid;
fname = cpanel->dir.list[current_file].fname;
need_update = end_chown = 1;
if (mc_chmod (fname, get_mode ()) == -1)
message (1, MSG_ERROR, _(" Cannot chmod \"%s\" \n %s "),
fname, unix_error_string (errno));
/* call mc_chown only, if mc_chmod didn't fail */
else if (mc_chown (fname, (ch_flags[9] == '+') ? sf->st_uid : -1,
(ch_flags[10] == '+') ? sf->st_gid : -1) == -1)
message (1, MSG_ERROR, _(" Cannot chown \"%s\" \n %s "),
fname, unix_error_string (errno));
do_file_mark (cpanel, current_file, 0);
do {
fname = next_file ();
if (!stat_file (fname, sf))
break;
ch_cmode = sf->st_mode;
if (mc_chmod (fname, get_mode ()) == -1)
message (1, MSG_ERROR, _(" Cannot chmod \"%s\" \n %s "),
fname, unix_error_string (errno));
/* call mc_chown only, if mc_chmod didn't fail */
else if (mc_chown (fname, (ch_flags[9] == '+') ? a_uid : -1, (ch_flags[10] == '+') ? a_gid : -1) == -1)
message (1, MSG_ERROR, _(" Cannot chown \"%s\" \n %s "),
fname, unix_error_string (errno));
do_file_mark (cpanel, current_file, 0);
} while (cpanel->marked);
}
void
chown_advanced_cmd (void)
{
files_on_begin = cpanel->marked;
do { /* do while any files remaining */
init_chown_advanced ();
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;
}
ch_cmode = sf_stat->st_mode;
chown_refresh ();
get_ownership ();
/* game can begin */
run_dlg (ch_dlg);
switch (ch_dlg->ret_value) {
case B_CANCEL:
end_chown = 1;
break;
case B_ENTER:
need_update = 1;
if (mc_chmod (fname, get_mode ()) == -1)
message (1, MSG_ERROR, _(" Cannot chmod \"%s\" \n %s "),
fname, unix_error_string (errno));
/* call mc_chown only, if mc_chmod didn't fail */
else if (mc_chown (fname, (ch_flags[9] == '+') ? sf_stat->st_uid : -1, (ch_flags[10] == '+') ? sf_stat->st_gid : -1) == -1)
message (1, MSG_ERROR, _(" Cannot chown \"%s\" \n %s "),
fname, unix_error_string (errno));
break;
case B_SETALL:
apply_advanced_chowns (sf_stat);
break;
case B_SKIP:
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_advanced_done ();
}
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