Browser
/* $Id$ */
/* Copyright (c) 2007-2020 Pierre Pronchery <khorben@defora.org> */
/* This file is part of DeforaOS Desktop Browser */
/* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY ITS AUTHORS AND CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
#include <sys/stat.h>
#include <sys/time.h>
#include <fcntl.h>
#include <dirent.h>
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <libgen.h>
#include <limits.h>
#include <errno.h>
#include <locale.h>
#include <libintl.h>
#include <gtk/gtk.h>
#include "Browser/vfs.h"
#include "../config.h"
#define _(string) gettext(string)
/* constants */
#ifndef PROGNAME_MOVE
# define PROGNAME_MOVE "move"
#endif
#ifndef PREFIX
# define PREFIX "/usr/local"
#endif
#ifndef DATADIR
# define DATADIR PREFIX "/share"
#endif
#ifndef LOCALEDIR
# define LOCALEDIR DATADIR "/locale"
#endif
/* Move */
/* private */
/* types */
typedef int Prefs;
#define PREFS_f 0x1
#define PREFS_i 0x2
typedef struct _Move
{
Prefs * prefs;
unsigned int filec;
char ** filev;
unsigned int cur;
GtkWidget * window;
GtkWidget * label;
GtkWidget * progress;
} Move;
/* prototypes */
static int _move_error(Move * move, char const * message, int ret);
static int _move_filename_confirm(Move * move, char const * filename);
static int _move_filename_error(Move * move, char const * filename, int ret);
/* functions */
/* move */
static void _move_refresh(Move * move);
/* callbacks */
static void _move_on_closex(void);
static void _move_on_cancel(void);
static gboolean _move_idle_first(gpointer data);
static int _move(Prefs * prefs, unsigned int filec, char * filev[])
{
static Move move;
GtkWidget * vbox;
GtkWidget * hbox;
GtkSizeGroup * left;
GtkSizeGroup * right;
GtkWidget * widget;
PangoFontDescription * bold;
if(filec < 2 || filev == NULL)
return 1; /* FIXME report error */
move.prefs = prefs;
move.filec = filec;
move.filev = filev;
move.cur = 0;
/* graphical interface */
move.window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
gtk_window_set_icon_name(GTK_WINDOW(move.window), "stock_cut");
gtk_window_set_resizable(GTK_WINDOW(move.window), FALSE);
gtk_window_set_title(GTK_WINDOW(move.window), _("Move file(s)"));
g_signal_connect(G_OBJECT(move.window), "delete-event", G_CALLBACK(
_move_on_closex), NULL);
vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 4);
left = gtk_size_group_new(GTK_SIZE_GROUP_HORIZONTAL);
right = gtk_size_group_new(GTK_SIZE_GROUP_HORIZONTAL);
/* current argument */
hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 4);
widget = gtk_label_new(_("Moving: "));
bold = pango_font_description_new();
pango_font_description_set_weight(bold, PANGO_WEIGHT_BOLD);
#if GTK_CHECK_VERSION(3, 0, 0)
gtk_widget_override_font(widget, bold);
g_object_set(widget, "halign", GTK_ALIGN_START, NULL);
#else
gtk_widget_modify_font(widget, bold);
gtk_misc_set_alignment(GTK_MISC(widget), 0, 0);
#endif
gtk_size_group_add_widget(left, widget);
gtk_box_pack_start(GTK_BOX(hbox), widget, FALSE, TRUE, 0);
move.label = gtk_label_new("");
#if GTK_CHECK_VERSION(2, 6, 0)
gtk_label_set_ellipsize(GTK_LABEL(move.label), PANGO_ELLIPSIZE_END);
gtk_label_set_width_chars(GTK_LABEL(move.label), 25);
#endif
#if GTK_CHECK_VERSION(3, 0, 0)
g_object_set(move.label, "halign", GTK_ALIGN_START, NULL);
#else
gtk_misc_set_alignment(GTK_MISC(move.label), 0.0, 0.5);
#endif
gtk_size_group_add_widget(right, move.label);
gtk_box_pack_start(GTK_BOX(hbox), move.label, TRUE, TRUE, 0);
gtk_box_pack_start(GTK_BOX(vbox), hbox, TRUE, TRUE, 0);
/* progress bar */
move.progress = gtk_progress_bar_new();
#if GTK_CHECK_VERSION(3, 0, 0)
gtk_progress_bar_set_show_text(GTK_PROGRESS_BAR(move.progress), TRUE);
#endif
gtk_progress_bar_set_text(GTK_PROGRESS_BAR(move.progress), "");
gtk_box_pack_start(GTK_BOX(vbox), move.progress, TRUE, TRUE, 0);
hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 4);
widget = gtk_button_new_from_stock(GTK_STOCK_CANCEL);
g_signal_connect_swapped(G_OBJECT(widget), "clicked", G_CALLBACK(
_move_on_cancel), NULL);
gtk_box_pack_end(GTK_BOX(hbox), widget, FALSE, FALSE, 0);
gtk_box_pack_start(GTK_BOX(vbox), hbox, TRUE, TRUE, 0);
gtk_container_set_border_width(GTK_CONTAINER(move.window), 4);
gtk_container_add(GTK_CONTAINER(move.window), vbox);
g_idle_add(_move_idle_first, &move);
_move_refresh(&move);
gtk_widget_show_all(move.window);
pango_font_description_free(bold);
return 0;
}
static void _move_refresh(Move * move)
{
char const * filename = move->filev[move->cur];
char * p;
char buf[64];
double fraction;
if((p = g_filename_to_utf8(filename, -1, NULL, NULL, NULL)) != NULL)
filename = p;
gtk_label_set_text(GTK_LABEL(move->label), filename);
free(p);
snprintf(buf, sizeof(buf), _("File %u of %u"), move->cur + 1,
move->filec - 1);
fraction = move->cur;
fraction /= move->filec - 1;
gtk_progress_bar_set_text(GTK_PROGRESS_BAR(move->progress), buf);
gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(move->progress),
fraction);
}
static void _move_on_closex(void)
{
gtk_main_quit();
}
static void _move_on_cancel(void)
{
gtk_main_quit();
}
static int _move_single(Move * move, char const * src, char const * dst);
static gboolean _move_idle_multiple(gpointer data);
static gboolean _move_idle_first(gpointer data)
{
Move * move = data;
char const * filename = move->filev[move->filec - 1];
struct stat st;
if(browser_vfs_stat(move->filev[move->filec - 1], &st) != 0)
{
if(errno != ENOENT)
_move_filename_error(move, filename, 0);
else if(move->filec > 2)
{
errno = ENOTDIR;
_move_filename_error(move, filename, 0);
}
else
_move_single(move, move->filev[0], move->filev[1]);
}
else if(S_ISDIR(st.st_mode))
{
g_idle_add(_move_idle_multiple, move);
return FALSE;
}
else if(move->filec > 2)
{
errno = ENOTDIR;
_move_filename_error(move, filename, 0);
}
else
_move_single(move, move->filev[0], move->filev[1]);
gtk_main_quit();
return FALSE;
}
/* move_single */
static int _single_dir(Move * move, char const * src, char const * dst,
mode_t mode);
static int _single_fifo(Move * move, char const * src, char const * dst,
mode_t mode);
static int _single_nod(Move * move, char const * src, char const * dst,
mode_t mode, dev_t rdev);
static int _single_symlink(Move * move, char const * src, char const * dst);
static int _single_regular(Move * move, char const * src, char const * dst,
mode_t mode);
static int _single_p(Move * move, char const * dst, struct stat const * st);
static int _move_single(Move * move, char const * src, char const * dst)
{
int ret;
struct stat st;
if(browser_vfs_lstat(src, &st) != 0 && errno == ENOENT) /* XXX TOCTOU */
return _move_filename_error(move, src, 1);
if(*(move->prefs) & PREFS_i
&& (browser_vfs_lstat(dst, &st) == 0 || errno != ENOENT)
&& _move_filename_confirm(move, dst) != 1)
return 0;
if(rename(src, dst) == 0)
return 0;
if(errno != EXDEV)
return _move_filename_error(move, src, 1);
if(unlink(dst) != 0 && errno != ENOENT)
return _move_filename_error(move, dst, 1);
if(browser_vfs_lstat(src, &st) != 0)
return _move_filename_error(move, dst, 1);
if(S_ISDIR(st.st_mode))
ret = _single_dir(move, src, dst, st.st_mode & 0777);
else if(S_ISFIFO(st.st_mode))
ret = _single_fifo(move, src, dst, st.st_mode & 0666);
else if(S_ISCHR(st.st_mode) || S_ISBLK(st.st_mode))
ret = _single_nod(move, src, dst, st.st_mode, st.st_rdev);
else if(S_ISLNK(st.st_mode))
ret = _single_symlink(move, src, dst);
else if(S_ISREG(st.st_mode))
ret = _single_regular(move, src, dst, st.st_mode & 0777);
else
{
errno = ENOSYS;
return _move_filename_error(move, src, 1);
}
if(ret != 0)
return ret;
_single_p(move, dst, &st);
return 0;
}
/* single_dir */
static int _single_recurse(Move * move, char const * src, char const * dst,
mode_t mode);
static int _single_dir(Move * move, char const * src, char const * dst,
mode_t mode)
{
if(_single_recurse(move, src, dst, mode) != 0)
return 1;
if(rmdir(src) != 0) /* FIXME probably gonna fail, recurse before */
_move_filename_error(move, src, 0);
return 0;
}
static int _single_recurse(Move * move, char const * src, char const * dst,
mode_t mode)
{
int ret = 0;
size_t srclen;
size_t dstlen;
DIR * dir;
struct dirent * de;
char * ssrc = NULL;
char * sdst = NULL;
char * p;
if(browser_vfs_mkdir(dst, mode) != 0)
return _move_filename_error(move, dst, 1);
srclen = strlen(src);
dstlen = strlen(dst);
if((dir = browser_vfs_opendir(src, NULL)) == NULL)
return _move_filename_error(move, src, 1);
while((de = browser_vfs_readdir(dir)) != NULL)
{
if(de->d_name[0] == '.' && (de->d_name[1] == '\0'
|| (de->d_name[1] == '.'
&& de->d_name[2] == '\0')))
continue;
if((p = realloc(ssrc, srclen + strlen(de->d_name) + 2)) == NULL)
{
ret |= _move_filename_error(move, src, 1);
continue;
}
ssrc = p;
if((p = realloc(sdst, dstlen + strlen(de->d_name) + 2)) == NULL)
{
ret |= _move_filename_error(move, src, 1);
continue;
}
sdst = p;
sprintf(ssrc, "%s/%s", src, de->d_name);
sprintf(sdst, "%s/%s", dst, de->d_name);
ret |= _move_single(move, ssrc, sdst);
}
browser_vfs_closedir(dir);
free(ssrc);
free(sdst);
return ret;
}
static int _single_fifo(Move * move, char const * src, char const * dst,
mode_t mode)
{
if(mkfifo(dst, mode) != 0)
return _move_filename_error(move, dst, 1);
if(unlink(src) != 0)
_move_filename_error(move, src, 0);
return 0;
}
static int _single_nod(Move * move, char const * src, char const * dst,
mode_t mode, dev_t rdev)
{
if(mknod(dst, mode, rdev) != 0)
return _move_filename_error(move, dst, 1);
if(unlink(src) != 0)
_move_filename_error(move, src, 0);
return 0;
}
static int _single_symlink(Move * move, char const * src, char const * dst)
{
char buf[PATH_MAX];
ssize_t i;
if((i = readlink(src, buf, sizeof(buf) - 1)) == -1)
return _move_filename_error(move, src, 1);
buf[i] = '\0';
if(symlink(buf, dst) != 0)
return _move_filename_error(move, dst, 1);
if(unlink(src) != 0)
_move_filename_error(move, src, 0);
return 0;
}
static int _single_regular(Move * move, char const * src, char const * dst,
mode_t mode)
{
int ret = 0;
FILE * fsrc;
int fd;
FILE * fdst;
char buf[BUFSIZ];
size_t size;
if((fsrc = fopen(src, "r")) == NULL)
return _move_filename_error(move, dst, 1);
if((fd = open(dst, O_WRONLY | O_CREAT | O_TRUNC, mode)) < 0
|| (fdst = fdopen(fd, "w")) == NULL)
{
ret |= _move_filename_error(move, dst, 1);
if(fd >= 0)
close(fd);
fclose(fsrc);
return ret;
}
while((size = fread(buf, sizeof(char), sizeof(buf), fsrc)) > 0)
if(fwrite(buf, sizeof(char), size, fdst) != size)
break;
if(!feof(fsrc))
ret |= _move_filename_error(move, (size == 0) ? src : dst, 1);
if(fclose(fsrc) != 0)
ret |= _move_filename_error(move, src, 1);
if(fclose(fdst) != 0)
ret |= _move_filename_error(move, dst, 1);
if(unlink(src) != 0)
_move_filename_error(move, src, 0);
return ret;
}
static int _single_p(Move * move, char const * dst, struct stat const * st)
{
struct timeval tv[2];
if(lchown(dst, st->st_uid, st->st_gid) != 0) /* XXX TOCTOU */
{
_move_filename_error(move, dst, 0);
if(lchmod(dst, st->st_mode & ~(S_ISUID | S_ISGID)) != 0)
_move_filename_error(move, dst, 0);
}
else if(lchmod(dst, st->st_mode) != 0)
_move_filename_error(move, dst, 0);
tv[0].tv_sec = st->st_atime;
tv[0].tv_usec = 0;
tv[1].tv_sec = st->st_mtime;
tv[1].tv_usec = 0;
if(lutimes(dst, tv) != 0)
_move_filename_error(move, dst, 0);
return 0;
}
/* move_idle_multiple */
static int _move_multiple(Move * move, char const * src, char const * dst);
static gboolean _move_idle_multiple(gpointer data)
{
Move * move = data;
_move_multiple(move, move->filev[move->cur],
move->filev[move->filec - 1]);
move->cur++;
if(move->cur == move->filec - 1)
{
gtk_main_quit();
return FALSE;
}
_move_refresh(move);
return TRUE;
}
static int _move_multiple(Move * move, char const * src, char const * dst)
{
int ret;
char * to;
size_t len;
char * p;
char * q;
if((p = strdup(src)) == NULL)
return _move_filename_error(move, src, 1);
to = basename(p);
len = strlen(dst) + strlen(to) + 2;
if((q = malloc(len)) == NULL)
{
free(p);
return _move_filename_error(move, src, 1);
}
snprintf(q, len, "%s/%s", dst, to);
ret = _move_single(move, src, q);
free(p);
free(q);
return ret;
}
/* move_error */
static int _error_text(char const * message, int ret);
static int _move_error(Move * move, char const * message, int ret)
{
GtkWidget * dialog;
int error = errno;
if(move == NULL)
return _error_text(message, ret);
dialog = gtk_message_dialog_new(GTK_WINDOW(move->window),
GTK_DIALOG_MODAL, GTK_MESSAGE_ERROR, GTK_BUTTONS_OK,
#if GTK_CHECK_VERSION(2, 6, 0)
"%s", _("Error"));
gtk_message_dialog_format_secondary_text(GTK_MESSAGE_DIALOG(dialog),
#endif
"%s: %s", message, strerror(error));
gtk_window_set_title(GTK_WINDOW(dialog), _("Error"));
gtk_dialog_run(GTK_DIALOG(dialog));
gtk_widget_destroy(dialog);
return ret;
}
static int _error_text(char const * message, int ret)
{
fputs(PROGNAME_MOVE ": ", stderr);
perror(message);
return ret;
}
/* move_filename_confirm */
static int _move_filename_confirm(Move * move, char const * filename)
{
char * p;
GtkWidget * dialog;
int res;
if((p = g_filename_to_utf8(filename, -1, NULL, NULL, NULL)) != NULL)
filename = p;
dialog = gtk_message_dialog_new(GTK_WINDOW(move->window),
GTK_DIALOG_MODAL, GTK_MESSAGE_QUESTION,
GTK_BUTTONS_YES_NO,
#if GTK_CHECK_VERSION(2, 6, 0)
"%s", _("Question"));
gtk_message_dialog_format_secondary_text(GTK_MESSAGE_DIALOG(dialog),
#endif
_("%s will be overwritten\nProceed?"), filename);
gtk_window_set_title(GTK_WINDOW(dialog), _("Question"));
res = gtk_dialog_run(GTK_DIALOG(dialog));
gtk_widget_destroy(dialog);
free(p);
return (res == GTK_RESPONSE_YES) ? 1 : 0;
}
/* move_filename_error */
static int _move_filename_error(Move * move, char const * filename, int ret)
{
char * p;
int error = errno;
if((p = g_filename_to_utf8(filename, -1, NULL, NULL, NULL)) != NULL)
filename = p;
errno = error;
ret = _move_error(move, filename, ret);
free(p);
return ret;
}
/* usage */
static int _usage(void)
{
fprintf(stderr, _("Usage: %s [-fi] source target\n"
" %s [-fi] source... directory\n"
" -f Do not prompt for confirmation if the destination path exists\n"
" -i Prompt for confirmation if the destination path exists\n"),
PROGNAME_MOVE, PROGNAME_MOVE);
return 1;
}
/* public */
/* functions */
/* main */
int main(int argc, char * argv[])
{
Prefs prefs;
int o;
if(setlocale(LC_ALL, "") == NULL)
_move_error(NULL, "setlocale", 1);
bindtextdomain(PACKAGE, LOCALEDIR);
textdomain(PACKAGE);
memset(&prefs, 0, sizeof(prefs));
gtk_init(&argc, &argv);
while((o = getopt(argc, argv, "fi")) != -1)
switch(o)
{
case 'f':
prefs -= prefs & PREFS_i;
prefs |= PREFS_f;
break;
case 'i':
prefs -= prefs & PREFS_f;
prefs |= PREFS_i;
break;
default:
return _usage();
}
if(argc - optind < 2)
return _usage();
_move(&prefs, argc - optind, &argv[optind]);
gtk_main();
return 0;
}