6 * Wireshark - Network traffic analyzer
7 * By Gerald Combs <gerald@wireshark.org>
8 * Copyright 1998 Gerald Combs
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License
12 * as published by the Free Software Foundation; either version 2
13 * of the License, or (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
29 #ifdef HAVE_SYS_TYPES_H
30 #include <sys/types.h>
37 #include <epan/prefs.h>
39 #include "../globals.h"
42 #include "../simple_dialog.h"
44 #include "../capture.h"
47 #include "gtk/gtkglobals.h"
48 #include "gtk/capture_file_dlg.h"
49 #include "gtk/drag_and_drop.h"
51 #include "gtk/main_menu.h"
53 #include "gtk/capture_globals.h"
57 enum { DND_TARGET_STRING, DND_TARGET_ROOTWIN, DND_TARGET_URL };
59 /* convert drag and drop URI to a local filename */
61 dnd_uri2filename(gchar *cf_name)
70 * we have to remove the prefix to get a valid filename. */
73 * On win32 (at least WinXP), this prefix looks like (UNC):
74 * file:////servername/sharename/dir1/dir2/capture-file.cap
75 * or (local filename):
76 * file:///d:/dir1/dir2/capture-file.cap
78 if (strncmp("file:////", cf_name, 9) == 0) {
79 /* win32 UNC: now becoming: //servername/sharename/dir1/dir2/capture-file.cap */
81 } else if (strncmp("file:///", cf_name, 8) == 0) {
82 /* win32 local: now becoming: d:/dir1/dir2/capture-file.cap */
87 * On UNIX (at least KDE 3.0 Konqueror), this prefix looks like:
88 * file:/dir1/dir2/capture-file.cap
90 * On UNIX (at least GNOME Nautilus 2.8.2), this prefix looks like:
91 * file:///dir1/dir2/capture-file.cap
93 if (strncmp("file:", cf_name, 5) == 0) {
94 /* now becoming: /dir1/dir2/capture-file.cap or ///dir1/dir2/capture-file.cap */
96 /* shorten //////thing to /thing */
97 for(; cf_name[1] == '/'; ++cf_name);
102 * unescape the escaped URI characters (spaces, ...)
104 * we have to replace escaped chars to their equivalents,
105 * e.g. %20 (always a two digit hexstring) -> ' '
106 * the percent character '%' is escaped be a double one "%%"
108 * we do this conversation "in place" as the result is always
109 * equal or smaller in size.
117 /* this is an escaped '%' char (was: "%%") */
122 /* convert escaped hexnumber to unscaped character */
126 ret = sscanf(esc, "%x", &i);
132 /* somethings wrong, just jump over that char
133 * this will result in a wrong string, but we might get
134 * user feedback and can fix it later ;-) */
150 dnd_merge_files(int in_file_count, char **in_filenames)
153 cf_status_t merge_status;
156 /* merge the files in chonological order */
158 merge_status = cf_merge_files(&tmpname, in_file_count, in_filenames,
159 WTAP_FILE_PCAP, FALSE);
161 if (merge_status != CF_OK) {
169 /* Try to open the merged capture file. */
170 if (cf_open(&cfile, tmpname, TRUE /* temporary file */, &err) != CF_OK) {
171 /* We couldn't open it; don't dismiss the open dialog box,
172 just leave it around so that the user can, after they
173 dismiss the alert box popped up for the open error,
180 switch (cf_read(&cfile)) {
184 /* Just because we got an error, that doesn't mean we were unable
185 to read any of the file; we handle what we could get from the
189 case CF_READ_ABORTED:
190 /* The user bailed out of re-reading the capture file; the
191 capture file has been closed - just free the capture file name
192 string and return (without changing the last containing
197 gtk_widget_grab_focus(packet_list);
200 /* open/merge the dnd file */
202 dnd_open_file_cmd(gchar *cf_names_freeme)
208 GString *dialog_text;
213 /* DND_TARGET_URL on Win32:
214 * The cf_name_freeme is a single string, containing one or more URI's,
215 * seperated by CR/NL chars. The length of the whole field can be found
216 * in the selection_data->length field. If it contains one file, simply open it,
217 * If it contains more than one file, ask to merge these files. */
219 /* count the number of input files */
220 cf_name = cf_names_freeme;
221 for(in_files = 0; (cf_name = strstr(cf_name, "\r\n")) != NULL; ) {
226 in_filenames = g_malloc(sizeof(char*) * in_files);
228 /* store the starts of the file entries in a gchar array */
229 cf_name = cf_names_freeme;
230 in_filenames[0] = cf_name;
231 for(files_work = 1; (cf_name = strstr(cf_name, "\r\n")) != NULL && files_work < in_files; ) {
233 in_filenames[files_work] = cf_name;
237 /* replace trailing CR NL simply with zeroes (in place), so we get valid terminated strings */
238 cf_name = cf_names_freeme;
239 g_strdelimit(cf_name, "\r\n", '\0');
241 /* convert all filenames from URI to local filename (in place) */
242 for(files_work = 0; files_work < in_files; files_work++) {
243 in_filenames[files_work] = dnd_uri2filename(in_filenames[files_work]);
248 /* shouldn't happen */
251 /* open and read the capture file (this will close an existing file) */
252 if (cf_open(&cfile, in_filenames[0], FALSE, &err) == CF_OK) {
253 /* XXX - add this to the menu if the read fails? */
255 add_menu_recent_capture_file(in_filenames[0]);
257 /* the capture file couldn't be read (doesn't exist, file format unknown, ...) */
261 /* build and show the info dialog */
262 dialog_text = g_string_sized_new(200);
263 g_string_printf(dialog_text,
264 "%sMerging the following files:%s\n\n",
265 simple_dialog_primary_start(), simple_dialog_primary_end());
266 for(files_work = 0; files_work < in_files; files_work++) {
267 g_string_append(dialog_text, in_filenames[files_work]);
268 g_string_append(dialog_text, "\n");
270 g_string_append(dialog_text, "\nThe packets in these files will be merged chronologically into a new temporary file.");
271 dialog = simple_dialog(ESD_TYPE_CONFIRMATION,
274 g_string_free(dialog_text, TRUE);
276 /* actually merge the files now */
277 dnd_merge_files(in_files, in_filenames);
280 g_free(in_filenames);
281 g_free(cf_names_freeme);
284 /* ask the user to save current unsaved file, before opening the dnd file */
286 dnd_save_file_answered_cb(gpointer dialog _U_, gint btn, gpointer data)
290 /* save file first */
291 file_save_as_cmd(after_save_open_dnd_file, data);
293 case(ESD_BTN_DONT_SAVE):
295 dnd_open_file_cmd(data);
297 case(ESD_BTN_CANCEL):
300 g_assert_not_reached();
305 /* we have received some drag and drop data */
306 /* (as we only registered to "text/uri-list", we will only get a file list here) */
308 dnd_data_received(GtkWidget *widget _U_, GdkDragContext *dc _U_, gint x _U_, gint y _U_,
309 GtkSelectionData *selection_data, guint info, guint t _U_, gpointer data _U_)
312 gchar *cf_names_freeme;
314 if (info == DND_TARGET_URL) {
315 /* Usually we block incoming events by disabling the corresponding menu/toolbar items.
316 * This is the only place where an incoming event won't be blocked in such a way,
317 * so we have to take care of NOT loading a new file while a different process
318 * (e.g. capture/load/...) is still in progress. */
321 /* if a capture is running, do nothing but warn the user */
322 if((global_capture_opts.state != CAPTURE_STOPPED)) {
323 dialog = simple_dialog(ESD_TYPE_CONFIRMATION,
325 "%sDrag and Drop currently not possible!%s\n\n"
326 "Dropping a file isn't possible while a capture is in progress.",
327 simple_dialog_primary_start(), simple_dialog_primary_end());
332 /* if another file read is still in progress, do nothing but warn the user */
333 if((cfile.state == FILE_READ_IN_PROGRESS)) {
334 dialog = simple_dialog(ESD_TYPE_CONFIRMATION,
336 "%sDrag and Drop currently not possible!%s\n\n"
337 "Dropping a file isn't possible while loading another capture file.",
338 simple_dialog_primary_start(), simple_dialog_primary_end());
342 /* the selection_data will soon be gone, make a copy first */
343 /* the data string is not zero terminated -> make a zero terminated "copy" of it */
344 cf_names_freeme = g_malloc(selection_data->length + 1);
345 memcpy(cf_names_freeme, selection_data->data, selection_data->length);
346 cf_names_freeme[selection_data->length] = '\0';
348 /* ask the user to save it's current capture file first */
349 if((cfile.state != FILE_CLOSED) && !cfile.user_saved && prefs.gui_ask_unsaved) {
350 /* user didn't saved his current file, ask him */
351 dialog = simple_dialog(ESD_TYPE_CONFIRMATION,
352 ESD_BTNS_SAVE_DONTSAVE_CANCEL,
353 "%sSave capture file before opening a new one?%s\n\n"
354 "If you open a new capture file without saving, your current capture data will be discarded.",
355 simple_dialog_primary_start(), simple_dialog_primary_end());
356 simple_dialog_set_cb(dialog, dnd_save_file_answered_cb, cf_names_freeme );
359 dnd_open_file_cmd( cf_names_freeme );
364 /* init the drag and drop functionality */
366 dnd_init(GtkWidget *w)
368 /* we are only interested in the URI list containing filenames */
369 static GtkTargetEntry target_entry[] = {
370 /*{"STRING", 0, DND_TARGET_STRING},*/
371 /*{"text/plain", 0, DND_TARGET_STRING},*/
372 {"text/uri-list", 0, DND_TARGET_URL}
375 /* set this window as a dnd destination */
377 w, GTK_DEST_DEFAULT_ALL, target_entry,
378 sizeof(target_entry) / sizeof(GtkTargetEntry),
379 (GdkDragAction)(GDK_ACTION_MOVE | GDK_ACTION_COPY) );
381 /* get notified, if some dnd coming in */
382 gtk_signal_connect(GTK_OBJECT(w), "drag_data_received",
383 GTK_SIGNAL_FUNC(dnd_data_received), NULL);