diff options
Diffstat (limited to 'src/filemanager/chmod.c')
| -rw-r--r-- | src/filemanager/chmod.c | 664 |
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); +} + +/* --------------------------------------------------------------------------------------------- */ |