Adding upstream version 3:4.8.29.upstream/3%4.8.29upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 549 insertions, 0 deletions

diff --git a/src/filemanager/chown.c b/src/filemanager/chown.c
new file mode 100644
index 0000000..9f6c206
--- /dev/null
+++ b/src/filemanager/chown.c
@@ -0,0 +1,549 @@
+/*
+   Chown command -- for the Midnight Commander
+
+   Copyright (C) 1994-2022
+   Free Software Foundation, Inc.
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander 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 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander 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, see <http://www.gnu.org/licenses/>.
+ */
+
+/** \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/vfs.h"
+#include "lib/strutil.h"
+#include "lib/util.h"
+#include "lib/widget.h"
+
+#include "src/setup.h"          /* panels_options */
+
+#include "cmd.h"                /* chown_cmd() */
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+#define GH 12
+#define GW 21
+
+#define BUTTONS 5
+
+#define B_SETALL        B_USER
+#define B_SETUSR        (B_USER + 1)
+#define B_SETGRP        (B_USER + 2)
+
+#define LABELS 5
+
+#define chown_label(n,txt) label_set_text (chown_label [n].l, txt)
+
+/*** file scope type declarations ****************************************************************/
+
+/*** file scope variables ************************************************************************/
+
+
+static struct
+{
+    int ret_cmd;
+    button_flags_t flags;
+    int y;
+    int len;
+    const char *text;
+} chown_but[BUTTONS] =
+{
+    /* *INDENT-OFF* */
+    { B_SETALL,  NORMAL_BUTTON, 5, 0, N_("Set &all")    },
+    { B_SETGRP,  NORMAL_BUTTON, 5, 0, N_("Set &groups") },
+    { B_SETUSR,  NORMAL_BUTTON, 5, 0, N_("Set &users")  },
+    { B_ENTER,  DEFPUSH_BUTTON, 3, 0, N_("&Set")        },
+    { B_CANCEL,  NORMAL_BUTTON, 3, 0, N_("&Cancel")     }
+    /* *INDENT-ON* */
+};
+
+/* summary length of three buttons */
+static int blen = 0;
+
+static struct
+{
+    int y;
+    WLabel *l;
+} chown_label[LABELS] =
+{
+    /* *INDENT-OFF* */
+    {  4, NULL },
+    {  6, NULL },
+    {  8, NULL },
+    { 10, NULL },
+    { 12, NULL }
+    /* *INDENT-ON* */
+};
+
+static int current_file;
+static gboolean ignore_all;
+
+static WListbox *l_user, *l_group;
+
+/* --------------------------------------------------------------------------------------------- */
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+chown_init (void)
+{
+    static gboolean i18n = FALSE;
+    int i;
+
+    if (i18n)
+        return;
+
+    i18n = TRUE;
+
+#ifdef ENABLE_NLS
+    for (i = 0; i < BUTTONS; i++)
+        chown_but[i].text = _(chown_but[i].text);
+#endif /* ENABLE_NLS */
+
+    for (i = 0; i < BUTTONS; i++)
+    {
+        chown_but[i].len = str_term_width1 (chown_but[i].text) + 3;     /* [], spaces and w/o & */
+        if (chown_but[i].flags == DEFPUSH_BUTTON)
+            chown_but[i].len += 2;      /* <> */
+
+        if (i < BUTTONS - 2)
+            blen += chown_but[i].len;
+    }
+
+    blen += 2;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+chown_refresh (const Widget * h)
+{
+    int y = 3;
+    int x = 7 + GW * 2;
+
+    tty_setcolor (COLOR_NORMAL);
+
+    widget_gotoyx (h, y + 0, x);
+    tty_print_string (_("Name"));
+    widget_gotoyx (h, y + 2, x);
+    tty_print_string (_("Owner name"));
+    widget_gotoyx (h, y + 4, x);
+    tty_print_string (_("Group name"));
+    widget_gotoyx (h, y + 6, x);
+    tty_print_string (_("Size"));
+    widget_gotoyx (h, y + 8, x);
+    tty_print_string (_("Permission"));
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static cb_ret_t
+chown_bg_callback (Widget * w, Widget * sender, widget_msg_t msg, int parm, void *data)
+{
+    switch (msg)
+    {
+    case MSG_DRAW:
+        frame_callback (w, NULL, MSG_DRAW, 0, NULL);
+        chown_refresh (WIDGET (w->owner));
+        return MSG_HANDLED;
+
+    default:
+        return frame_callback (w, sender, msg, parm, data);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static WDialog *
+chown_dlg_create (WPanel * panel)
+{
+    int single_set;
+    WDialog *ch_dlg;
+    WGroup *g;
+    int lines, cols;
+    int i, y;
+    struct passwd *l_pass;
+    struct group *l_grp;
+
+    single_set = (panel->marked < 2) ? 3 : 0;
+    lines = GH + 4 + (single_set != 0 ? 2 : 4);
+    cols = GW * 3 + 2 + 6;
+
+    ch_dlg =
+        dlg_create (TRUE, 0, 0, lines, cols, WPOS_CENTER, FALSE, dialog_colors, NULL, NULL,
+                    "[Chown]", _("Chown command"));
+    g = GROUP (ch_dlg);
+
+    /* draw background */
+    ch_dlg->bg->callback = chown_bg_callback;
+
+    group_add_widget (g, groupbox_new (2, 3, GH, GW, _("User name")));
+    l_user = listbox_new (3, 4, GH - 2, GW - 2, FALSE, NULL);
+    group_add_widget (g, l_user);
+    /* add field for unknown names (numbers) */
+    listbox_add_item (l_user, LISTBOX_APPEND_AT_END, 0, _("<Unknown user>"), NULL, FALSE);
+    /* 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, FALSE);
+    endpwent ();
+
+    group_add_widget (g, groupbox_new (2, 4 + GW, GH, GW, _("Group name")));
+    l_group = listbox_new (3, 5 + GW, GH - 2, GW - 2, FALSE, NULL);
+    group_add_widget (g, l_group);
+    /* add field for unknown names (numbers) */
+    listbox_add_item (l_group, LISTBOX_APPEND_AT_END, 0, _("<Unknown group>"), NULL, FALSE);
+    /* 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, FALSE);
+    endgrent ();
+
+    group_add_widget (g, groupbox_new (2, 5 + GW * 2, GH, GW, _("File")));
+    /* add widgets for the file information */
+    for (i = 0; i < LABELS; i++)
+    {
+        chown_label[i].l = label_new (chown_label[i].y, 7 + GW * 2, "");
+        group_add_widget (g, chown_label[i].l);
+    }
+
+    if (single_set == 0)
+    {
+        int x;
+
+        group_add_widget (g, hline_new (lines - chown_but[0].y - 1, -1, -1));
+
+        y = lines - chown_but[0].y;
+        x = (cols - blen) / 2;
+
+        for (i = 0; i < BUTTONS - 2; i++)
+        {
+            group_add_widget (g, button_new (y, x, chown_but[i].ret_cmd, chown_but[i].flags,
+                                             chown_but[i].text, NULL));
+            x += chown_but[i].len + 1;
+        }
+    }
+
+    i = BUTTONS - 2;
+    y = lines - chown_but[i].y;
+    group_add_widget (g, hline_new (y - 1, -1, -1));
+    group_add_widget (g, button_new (y, WIDGET (ch_dlg)->rect.cols / 2 - chown_but[i].len,
+                                     chown_but[i].ret_cmd, chown_but[i].flags, chown_but[i].text,
+                                     NULL));
+    i++;
+    group_add_widget (g, button_new (y, WIDGET (ch_dlg)->rect.cols / 2 + 1, chown_but[i].ret_cmd,
+                                     chown_but[i].flags, chown_but[i].text, NULL));
+
+    /* select first listbox */
+    widget_select (WIDGET (l_user));
+
+    return ch_dlg;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+chown_done (gboolean need_update)
+{
+    if (need_update)
+        update_panels (UP_OPTIMIZE, UP_KEEPSEL);
+    repaint_screen ();
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static const GString *
+next_file (const WPanel * panel)
+{
+    while (!panel->dir.list[current_file].f.marked)
+        current_file++;
+
+    return panel->dir.list[current_file].fname;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static gboolean
+try_chown (const vfs_path_t * p, uid_t u, gid_t g)
+{
+    while (mc_chown (p, u, g) == -1 && !ignore_all)
+    {
+        int my_errno = errno;
+        int result;
+        char *msg;
+
+        msg =
+            g_strdup_printf (_("Cannot chown \"%s\"\n%s"), x_basename (vfs_path_as_str (p)),
+                             unix_error_string (my_errno));
+        result =
+            query_dialog (MSG_ERROR, msg, D_ERROR, 4, _("&Ignore"), _("Ignore &all"), _("&Retry"),
+                          _("&Cancel"));
+        g_free (msg);
+
+        switch (result)
+        {
+        case 0:
+            /* try next file */
+            return TRUE;
+
+        case 1:
+            ignore_all = TRUE;
+            /* try next file */
+            return TRUE;
+
+        case 2:
+            /* retry this file */
+            break;
+
+        case 3:
+        default:
+            /* stop remain files processing */
+            return FALSE;
+        }
+    }
+
+    return TRUE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static gboolean
+do_chown (WPanel * panel, const vfs_path_t * p, uid_t u, gid_t g)
+{
+    gboolean ret;
+
+    ret = try_chown (p, u, g);
+
+    do_file_mark (panel, current_file, 0);
+
+    return ret;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+apply_chowns (WPanel * panel, vfs_path_t * vpath, uid_t u, gid_t g)
+{
+    gboolean ok;
+
+    if (!do_chown (panel, vpath, u, g))
+        return;
+
+    do
+    {
+        const GString *fname;
+        struct stat sf;
+
+        fname = next_file (panel);
+        vpath = vfs_path_from_str (fname->str);
+        ok = (mc_stat (vpath, &sf) == 0);
+
+        if (!ok)
+        {
+            /* if current file was deleted outside mc -- try next file */
+            /* decrease panel->marked */
+            do_file_mark (panel, current_file, 0);
+
+            /* try next file */
+            ok = TRUE;
+        }
+        else
+            ok = do_chown (panel, vpath, u, g);
+
+        vfs_path_free (vpath, TRUE);
+    }
+    while (ok && panel->marked != 0);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+void
+chown_cmd (WPanel * panel)
+{
+    gboolean need_update;
+    gboolean end_chown;
+
+    chown_init ();
+
+    current_file = 0;
+    ignore_all = FALSE;
+
+    do
+    {                           /* do while any files remaining */
+        vfs_path_t *vpath;
+        WDialog *ch_dlg;
+        struct stat sf_stat;
+        const GString *fname;
+        int result;
+        char buffer[BUF_TINY];
+        uid_t new_user = (uid_t) (-1);
+        gid_t new_group = (gid_t) (-1);
+
+        do_refresh ();
+
+        need_update = FALSE;
+        end_chown = FALSE;
+
+        if (panel->marked != 0)
+            fname = next_file (panel);  /* next marked file */
+        else
+            fname = selection (panel)->fname;   /* single file */
+
+        vpath = vfs_path_from_str (fname->str);
+
+        if (mc_stat (vpath, &sf_stat) != 0)
+        {
+            vfs_path_free (vpath, TRUE);
+            break;
+        }
+
+        ch_dlg = chown_dlg_create (panel);
+
+        /* 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->str, GW - 4));
+        chown_label (1, str_trunc (get_owner (sf_stat.st_uid), GW - 4));
+        chown_label (2, str_trunc (get_group (sf_stat.st_gid), GW - 4));
+        size_trunc_len (buffer, GW - 4, sf_stat.st_size, 0, panels_options.kilobyte_si);
+        chown_label (3, buffer);
+        chown_label (4, string_perm (sf_stat.st_mode));
+
+        result = dlg_run (ch_dlg);
+
+        switch (result)
+        {
+        case B_CANCEL:
+            end_chown = TRUE;
+            break;
+
+        case B_ENTER:
+        case B_SETALL:
+            {
+                struct group *grp;
+                struct passwd *user;
+                char *text;
+
+                listbox_get_current (l_group, &text, NULL);
+                grp = getgrnam (text);
+                if (grp != NULL)
+                    new_group = grp->gr_gid;
+                listbox_get_current (l_user, &text, NULL);
+                user = getpwnam (text);
+                if (user != NULL)
+                    new_user = user->pw_uid;
+                if (result == B_ENTER)
+                {
+                    if (panel->marked <= 1)
+                    {
+                        /* single or last file */
+                        if (mc_chown (vpath, new_user, new_group) == -1)
+                            message (D_ERROR, MSG_ERROR, _("Cannot chown \"%s\"\n%s"),
+                                     fname->str, unix_error_string (errno));
+                        end_chown = TRUE;
+                    }
+                    else if (!try_chown (vpath, new_user, new_group))
+                    {
+                        /* stop multiple files processing */
+                        result = B_CANCEL;
+                        end_chown = TRUE;
+                    }
+                }
+                else
+                {
+                    apply_chowns (panel, vpath, new_user, new_group);
+                    end_chown = TRUE;
+                }
+
+                need_update = TRUE;
+                break;
+            }
+
+        case B_SETUSR:
+            {
+                struct passwd *user;
+                char *text;
+
+                listbox_get_current (l_user, &text, NULL);
+                user = getpwnam (text);
+                if (user != NULL)
+                {
+                    new_user = user->pw_uid;
+                    apply_chowns (panel, vpath, new_user, new_group);
+                    need_update = TRUE;
+                    end_chown = TRUE;
+                }
+                break;
+            }
+
+        case B_SETGRP:
+            {
+                struct group *grp;
+                char *text;
+
+                listbox_get_current (l_group, &text, NULL);
+                grp = getgrnam (text);
+                if (grp != NULL)
+                {
+                    new_group = grp->gr_gid;
+                    apply_chowns (panel, vpath, new_user, new_group);
+                    need_update = TRUE;
+                    end_chown = TRUE;
+                }
+                break;
+            }
+
+        default:
+            break;
+        }
+
+        if (panel->marked != 0 && result != B_CANCEL)
+        {
+            do_file_mark (panel, current_file, 0);
+            need_update = TRUE;
+        }
+
+        vfs_path_free (vpath, TRUE);
+
+        widget_destroy (WIDGET (ch_dlg));
+    }
+    while (panel->marked != 0 && !end_chown);
+
+    chown_done (need_update);
+}
+
+/* --------------------------------------------------------------------------------------------- */