Adding upstream version 3:4.8.30.upstream/3%4.8.30

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

1 files changed, 664 insertions, 0 deletions

diff --git a/src/filemanager/chmod.c b/src/filemanager/chmod.c
new file mode 100644
index 0000000..c93bcbc
--- /dev/null
+++ b/src/filemanager/chmod.c
@@ -0,0 +1,664 @@
+/*
+   Chmod command -- for the Midnight Commander
+
+   Copyright (C) 1994-2023
+   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 chmod.c
+ *  \brief Source: chmod command
+ */
+
+#include <config.h>
+
+#include <errno.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 "cmd.h"                /* chmod_cmd() */
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+#define PX 3
+#define PY 2
+
+#define B_MARKED B_USER
+#define B_SETALL (B_USER + 1)
+#define B_SETMRK (B_USER + 2)
+#define B_CLRMRK (B_USER + 3)
+
+#define BUTTONS      6
+#define BUTTONS_PERM 12
+#define LABELS       4
+
+/*** file scope type declarations ****************************************************************/
+
+/*** forward declarations (file scope functions) *************************************************/
+
+/*** file scope variables ************************************************************************/
+
+static struct
+{
+    mode_t mode;
+    const char *text;
+    gboolean selected;
+    WCheck *check;
+} check_perm[BUTTONS_PERM] =
+{
+    /* *INDENT-OFF* */
+    { S_ISUID, N_("set &user ID on execution"),  FALSE, NULL },
+    { S_ISGID, N_("set &group ID on execution"), FALSE, NULL },
+    { S_ISVTX, N_("stick&y bit"),                FALSE, NULL },
+    { S_IRUSR, N_("&read by owner"),             FALSE, NULL },
+    { S_IWUSR, N_("&write by owner"),            FALSE, NULL },
+    { S_IXUSR, N_("e&xecute/search by owner"),   FALSE, NULL },
+    { S_IRGRP, N_("rea&d by group"),             FALSE, NULL },
+    { S_IWGRP, N_("write by grou&p"),            FALSE, NULL },
+    { S_IXGRP, N_("execu&te/search by group"),   FALSE, NULL },
+    { S_IROTH, N_("read &by others"),            FALSE, NULL },
+    { S_IWOTH, N_("wr&ite by others"),           FALSE, NULL },
+    { S_IXOTH, N_("execute/searc&h by others"),  FALSE, NULL }
+    /* *INDENT-ON* */
+};
+
+static int check_perm_len = 0;
+
+static const char *file_info_labels[LABELS] = {
+    N_("Name:"),
+    N_("Permissions (octal):"),
+    N_("Owner name:"),
+    N_("Group name:")
+};
+
+static int file_info_labels_len = 0;
+
+static struct
+{
+    int ret_cmd;
+    button_flags_t flags;
+    int y;                      /* vertical position relatively to dialog bottom boundary */
+    int len;
+    const char *text;
+} chmod_but[BUTTONS] =
+{
+    /* *INDENT-OFF* */
+    { B_SETALL, NORMAL_BUTTON, 6, 0, N_("Set &all")      },
+    { B_MARKED, NORMAL_BUTTON, 6, 0, N_("&Marked all")   },
+    { B_SETMRK, NORMAL_BUTTON, 5, 0, N_("S&et marked")   },
+    { B_CLRMRK, NORMAL_BUTTON, 5, 0, N_("C&lear marked") },
+    { B_ENTER, DEFPUSH_BUTTON, 3, 0, N_("&Set")          },
+    { B_CANCEL, NORMAL_BUTTON, 3, 0, N_("&Cancel")       }
+    /* *INDENT-ON* */
+};
+
+static gboolean mode_change;
+static int current_file;
+static gboolean ignore_all;
+
+static mode_t and_mask, or_mask, ch_mode;
+
+static WLabel *statl;
+static WGroupbox *file_gb;
+
+/* --------------------------------------------------------------------------------------------- */
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+chmod_init (void)
+{
+    static gboolean i18n = FALSE;
+    int i, len;
+
+    for (i = 0; i < BUTTONS_PERM; i++)
+        check_perm[i].selected = FALSE;
+
+    if (i18n)
+        return;
+
+    i18n = TRUE;
+
+#ifdef ENABLE_NLS
+    for (i = 0; i < BUTTONS_PERM; i++)
+        check_perm[i].text = _(check_perm[i].text);
+
+    for (i = 0; i < LABELS; i++)
+        file_info_labels[i] = _(file_info_labels[i]);
+
+    for (i = 0; i < BUTTONS; i++)
+        chmod_but[i].text = _(chmod_but[i].text);
+#endif /* ENABLE_NLS */
+
+    for (i = 0; i < BUTTONS_PERM; i++)
+    {
+        len = str_term_width1 (check_perm[i].text);
+        check_perm_len = MAX (check_perm_len, len);
+    }
+
+    check_perm_len += 1 + 3 + 1;        /* mark, [x] and space */
+
+    for (i = 0; i < LABELS; i++)
+    {
+        len = str_term_width1 (file_info_labels[i]) + 2;        /* spaces around */
+        file_info_labels_len = MAX (file_info_labels_len, len);
+    }
+
+    for (i = 0; i < BUTTONS; i++)
+    {
+        chmod_but[i].len = str_term_width1 (chmod_but[i].text) + 3;     /* [], spaces and w/o & */
+        if (chmod_but[i].flags == DEFPUSH_BUTTON)
+            chmod_but[i].len += 2;      /* <> */
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+chmod_draw_select (const WDialog * h, int Id)
+{
+    widget_gotoyx (h, PY + Id + 1, PX + 1);
+    tty_print_char (check_perm[Id].selected ? '*' : ' ');
+    widget_gotoyx (h, PY + Id + 1, PX + 3);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+chmod_toggle_select (const WDialog * h, int Id)
+{
+    check_perm[Id].selected = !check_perm[Id].selected;
+    tty_setcolor (COLOR_NORMAL);
+    chmod_draw_select (h, Id);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+chmod_refresh (const WDialog * h)
+{
+    int i;
+    int y, x;
+
+    tty_setcolor (COLOR_NORMAL);
+
+    for (i = 0; i < BUTTONS_PERM; i++)
+        chmod_draw_select (h, i);
+
+    y = WIDGET (file_gb)->rect.y + 1;
+    x = WIDGET (file_gb)->rect.x + 2;
+
+    tty_gotoyx (y, x);
+    tty_print_string (file_info_labels[0]);
+    tty_gotoyx (y + 2, x);
+    tty_print_string (file_info_labels[1]);
+    tty_gotoyx (y + 4, x);
+    tty_print_string (file_info_labels[2]);
+    tty_gotoyx (y + 6, x);
+    tty_print_string (file_info_labels[3]);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static cb_ret_t
+chmod_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);
+        chmod_refresh (CONST_DIALOG (w->owner));
+        return MSG_HANDLED;
+
+    default:
+        return frame_callback (w, sender, msg, parm, data);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static cb_ret_t
+chmod_callback (Widget * w, Widget * sender, widget_msg_t msg, int parm, void *data)
+{
+    WGroup *g = GROUP (w);
+    WDialog *h = DIALOG (w);
+
+    switch (msg)
+    {
+    case MSG_NOTIFY:
+        {
+            /* handle checkboxes */
+            int i;
+
+            /* whether notification was sent by checkbox? */
+            for (i = 0; i < BUTTONS_PERM; i++)
+                if (sender == WIDGET (check_perm[i].check))
+                    break;
+
+            if (i < BUTTONS_PERM)
+            {
+                ch_mode ^= check_perm[i].mode;
+                label_set_textv (statl, "%o", (unsigned int) ch_mode);
+                chmod_toggle_select (h, i);
+                mode_change = TRUE;
+                return MSG_HANDLED;
+            }
+        }
+
+        return MSG_NOT_HANDLED;
+
+    case MSG_KEY:
+        if (parm == 'T' || parm == 't' || parm == KEY_IC)
+        {
+            int i;
+            unsigned long id;
+
+            id = group_get_current_widget_id (g);
+            for (i = 0; i < BUTTONS_PERM; i++)
+                if (id == WIDGET (check_perm[i].check)->id)
+                    break;
+
+            if (i < BUTTONS_PERM)
+            {
+                chmod_toggle_select (h, i);
+                if (parm == KEY_IC)
+                    group_select_next_widget (g);
+                return MSG_HANDLED;
+            }
+        }
+        return MSG_NOT_HANDLED;
+
+    default:
+        return dlg_default_callback (w, sender, msg, parm, data);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static WDialog *
+chmod_dlg_create (WPanel * panel, const char *fname, const struct stat *sf_stat)
+{
+    gboolean single_set;
+    WDialog *ch_dlg;
+    WGroup *g;
+    int lines, cols;
+    int i, y;
+    int perm_gb_len;
+    int file_gb_len;
+    const char *c_fname, *c_fown, *c_fgrp;
+    char buffer[BUF_TINY];
+
+    mode_change = FALSE;
+
+    single_set = (panel->marked < 2);
+    perm_gb_len = check_perm_len + 2;
+    file_gb_len = file_info_labels_len + 2;
+    cols = str_term_width1 (fname) + 2 + 1;
+    file_gb_len = MAX (file_gb_len, cols);
+
+    lines = single_set ? 20 : 23;
+    cols = perm_gb_len + file_gb_len + 1 + 6;
+
+    if (cols > COLS)
+    {
+        /* shrink the right groupbox */
+        cols = COLS;
+        file_gb_len = cols - (perm_gb_len + 1 + 6);
+    }
+
+    ch_dlg =
+        dlg_create (TRUE, 0, 0, lines, cols, WPOS_CENTER, FALSE, dialog_colors,
+                    chmod_callback, NULL, "[Chmod]", _("Chmod command"));
+    g = GROUP (ch_dlg);
+
+    /* draw background */
+    ch_dlg->bg->callback = chmod_bg_callback;
+
+    group_add_widget (g, groupbox_new (PY, PX, BUTTONS_PERM + 2, perm_gb_len, _("Permission")));
+
+    for (i = 0; i < BUTTONS_PERM; i++)
+    {
+        check_perm[i].check = check_new (PY + i + 1, PX + 2, (ch_mode & check_perm[i].mode) != 0,
+                                         check_perm[i].text);
+        group_add_widget (g, check_perm[i].check);
+    }
+
+    file_gb = groupbox_new (PY, PX + perm_gb_len + 1, BUTTONS_PERM + 2, file_gb_len, _("File"));
+    group_add_widget (g, file_gb);
+
+    /* Set the labels */
+    y = PY + 2;
+    cols = PX + perm_gb_len + 3;
+    c_fname = str_trunc (fname, file_gb_len - 3);
+    group_add_widget (g, label_new (y, cols, c_fname));
+    g_snprintf (buffer, sizeof (buffer), "%o", (unsigned int) ch_mode);
+    statl = label_new (y + 2, cols, buffer);
+    group_add_widget (g, statl);
+    c_fown = str_trunc (get_owner (sf_stat->st_uid), file_gb_len - 3);
+    group_add_widget (g, label_new (y + 4, cols, c_fown));
+    c_fgrp = str_trunc (get_group (sf_stat->st_gid), file_gb_len - 3);
+    group_add_widget (g, label_new (y + 6, cols, c_fgrp));
+
+    if (!single_set)
+    {
+        i = 0;
+
+        group_add_widget (g, hline_new (lines - chmod_but[i].y - 1, -1, -1));
+
+        for (; i < BUTTONS - 2; i++)
+        {
+            y = lines - chmod_but[i].y;
+            group_add_widget (g, button_new (y, WIDGET (ch_dlg)->rect.cols / 2 - chmod_but[i].len,
+                                             chmod_but[i].ret_cmd, chmod_but[i].flags,
+                                             chmod_but[i].text, NULL));
+            i++;
+            group_add_widget (g, button_new (y, WIDGET (ch_dlg)->rect.cols / 2 + 1,
+                                             chmod_but[i].ret_cmd, chmod_but[i].flags,
+                                             chmod_but[i].text, NULL));
+        }
+    }
+
+    i = BUTTONS - 2;
+    y = lines - chmod_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 - chmod_but[i].len,
+                                     chmod_but[i].ret_cmd, chmod_but[i].flags, chmod_but[i].text,
+                                     NULL));
+    i++;
+    group_add_widget (g, button_new (y, WIDGET (ch_dlg)->rect.cols / 2 + 1, chmod_but[i].ret_cmd,
+                                     chmod_but[i].flags, chmod_but[i].text, NULL));
+
+    /* select first checkbox */
+    widget_select (WIDGET (check_perm[0].check));
+
+    return ch_dlg;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+chmod_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 == 0)
+        current_file++;
+
+    return panel->dir.list[current_file].fname;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static gboolean
+try_chmod (const vfs_path_t * p, mode_t m)
+{
+    const char *fname = NULL;
+
+    while (mc_chmod (p, m) == -1 && !ignore_all)
+    {
+        int my_errno = errno;
+        int result;
+        char *msg;
+
+        if (fname == NULL)
+            fname = x_basename (vfs_path_as_str (p));
+        msg = g_strdup_printf (_("Cannot chmod \"%s\"\n%s"), fname, 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_chmod (WPanel * panel, const vfs_path_t * p, struct stat *sf)
+{
+    gboolean ret;
+
+    sf->st_mode &= and_mask;
+    sf->st_mode |= or_mask;
+
+    ret = try_chmod (p, sf->st_mode);
+
+    do_file_mark (panel, current_file, 0);
+
+    return ret;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+apply_mask (WPanel * panel, vfs_path_t * vpath, struct stat *sf)
+{
+    gboolean ok;
+
+    if (!do_chmod (panel, vpath, sf))
+        return;
+
+    do
+    {
+        const GString *fname;
+
+        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
+        {
+            ch_mode = sf->st_mode;
+
+            ok = do_chmod (panel, vpath, sf);
+        }
+
+        vfs_path_free (vpath, TRUE);
+    }
+    while (ok && panel->marked != 0);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+void
+chmod_cmd (WPanel * panel)
+{
+    gboolean need_update;
+    gboolean end_chmod;
+
+    chmod_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 i, result;
+
+        do_refresh ();
+
+        need_update = FALSE;
+        end_chmod = FALSE;
+
+        if (panel->marked != 0)
+            fname = next_file (panel);  /* next marked file */
+        else
+            fname = panel_current_entry (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_mode = sf_stat.st_mode;
+
+        ch_dlg = chmod_dlg_create (panel, fname->str, &sf_stat);
+        result = dlg_run (ch_dlg);
+
+        switch (result)
+        {
+        case B_CANCEL:
+            end_chmod = TRUE;
+            break;
+
+        case B_ENTER:
+            if (mode_change)
+            {
+                if (panel->marked <= 1)
+                {
+                    /* single or last file */
+                    if (mc_chmod (vpath, ch_mode) == -1 && !ignore_all)
+                        message (D_ERROR, MSG_ERROR, _("Cannot chmod \"%s\"\n%s"), fname->str,
+                                 unix_error_string (errno));
+                    end_chmod = TRUE;
+                }
+                else if (!try_chmod (vpath, ch_mode))
+                {
+                    /* stop multiple files processing */
+                    result = B_CANCEL;
+                    end_chmod = TRUE;
+                }
+            }
+
+            need_update = TRUE;
+            break;
+
+        case B_SETALL:
+        case B_MARKED:
+            and_mask = or_mask = 0;
+            and_mask = ~and_mask;
+
+            for (i = 0; i < BUTTONS_PERM; i++)
+                if (check_perm[i].selected || result == B_SETALL)
+                {
+                    if (check_perm[i].check->state)
+                        or_mask |= check_perm[i].mode;
+                    else
+                        and_mask &= ~check_perm[i].mode;
+                }
+
+            apply_mask (panel, vpath, &sf_stat);
+            need_update = TRUE;
+            end_chmod = TRUE;
+            break;
+
+        case B_SETMRK:
+            and_mask = or_mask = 0;
+            and_mask = ~and_mask;
+
+            for (i = 0; i < BUTTONS_PERM; i++)
+                if (check_perm[i].selected)
+                    or_mask |= check_perm[i].mode;
+
+            apply_mask (panel, vpath, &sf_stat);
+            need_update = TRUE;
+            end_chmod = TRUE;
+            break;
+
+        case B_CLRMRK:
+            and_mask = or_mask = 0;
+            and_mask = ~and_mask;
+
+            for (i = 0; i < BUTTONS_PERM; i++)
+                if (check_perm[i].selected)
+                    and_mask &= ~check_perm[i].mode;
+
+            apply_mask (panel, vpath, &sf_stat);
+            need_update = TRUE;
+            end_chmod = 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_chmod);
+
+    chmod_done (need_update);
+}
+
+/* --------------------------------------------------------------------------------------------- */