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"
52 #include "gtk/capture_globals.h"
55 enum { DND_TARGET_STRING, DND_TARGET_ROOTWIN, DND_TARGET_URL };
57 /* convert drag and drop URI to a local filename */
59 dnd_uri2filename(gchar *cf_name)
68 * we have to remove the prefix to get a valid filename. */
71 * On win32 (at least WinXP), this prefix looks like (UNC):
72 * file:////servername/sharename/dir1/dir2/capture-file.cap
73 * or (local filename):
74 * file:///d:/dir1/dir2/capture-file.cap
76 if (strncmp("file:////", cf_name, 9) == 0) {
77 /* win32 UNC: now becoming: //servername/sharename/dir1/dir2/capture-file.cap */
79 } else if (strncmp("file:///", cf_name, 8) == 0) {
80 /* win32 local: now becoming: d:/dir1/dir2/capture-file.cap */
85 * On UNIX (at least KDE 3.0 Konqueror), this prefix looks like:
86 * file:/dir1/dir2/capture-file.cap
88 * On UNIX (at least GNOME Nautilus 2.8.2), this prefix looks like:
89 * file:///dir1/dir2/capture-file.cap
91 if (strncmp("file:", cf_name, 5) == 0) {
92 /* now becoming: /dir1/dir2/capture-file.cap or ///dir1/dir2/capture-file.cap */
94 /* shorten //////thing to /thing */
95 for(; cf_name[1] == '/'; ++cf_name);
100 * unescape the escaped URI characters (spaces, ...)
102 * we have to replace escaped chars to their equivalents,
103 * e.g. %20 (always a two digit hexstring) -> ' '
104 * the percent character '%' is escaped be a double one "%%"
106 * we do this conversation "in place" as the result is always
107 * equal or smaller in size.
115 /* this is an escaped '%' char (was: "%%") */
120 /* convert escaped hexnumber to unscaped character */
124 ret = sscanf(esc, "%x", &i);
130 /* somethings wrong, just jump over that char
131 * this will result in a wrong string, but we might get
132 * user feedback and can fix it later ;-) */
148 dnd_merge_files(int in_file_count, char **in_filenames)
151 cf_status_t merge_status;
154 /* merge the files in chonological order */
156 merge_status = cf_merge_files(&tmpname, in_file_count, in_filenames,
157 WTAP_FILE_PCAP, FALSE);
159 if (merge_status != CF_OK) {
167 /* Try to open the merged capture file. */
168 if (cf_open(&cfile, tmpname, TRUE /* temporary file */, &err) != CF_OK) {
169 /* We couldn't open it; don't dismiss the open dialog box,
170 just leave it around so that the user can, after they
171 dismiss the alert box popped up for the open error,
178 switch (cf_read(&cfile)) {
182 /* Just because we got an error, that doesn't mean we were unable
183 to read any of the file; we handle what we could get from the
187 case CF_READ_ABORTED:
188 /* The user bailed out of re-reading the capture file; the
189 capture file has been closed - just free the capture file name
190 string and return (without changing the last containing
195 gtk_widget_grab_focus(packet_list);
198 /* open/merge the dnd file */
200 dnd_open_file_cmd(gchar *cf_names_freeme)
206 GString *dialog_text;
211 /* DND_TARGET_URL on Win32:
212 * The cf_name_freeme is a single string, containing one or more URI's,
213 * seperated by CR/NL chars. The length of the whole field can be found
214 * in the selection_data->length field. If it contains one file, simply open it,
215 * If it contains more than one file, ask to merge these files. */
217 /* count the number of input files */
218 cf_name = cf_names_freeme;
219 for(in_files = 0; (cf_name = strstr(cf_name, "\r\n")) != NULL; ) {
224 in_filenames = g_malloc(sizeof(char*) * in_files);
226 /* store the starts of the file entries in a gchar array */
227 cf_name = cf_names_freeme;
228 in_filenames[0] = cf_name;
229 for(files_work = 1; (cf_name = strstr(cf_name, "\r\n")) != NULL && files_work < in_files; ) {
231 in_filenames[files_work] = cf_name;
235 /* replace trailing CR NL simply with zeroes (in place), so we get valid terminated strings */
236 cf_name = cf_names_freeme;
237 g_strdelimit(cf_name, "\r\n", '\0');
239 /* convert all filenames from URI to local filename (in place) */
240 for(files_work = 0; files_work < in_files; files_work++) {
241 in_filenames[files_work] = dnd_uri2filename(in_filenames[files_work]);
246 /* shouldn't happen */
249 /* open and read the capture file (this will close an existing file) */
250 if (cf_open(&cfile, in_filenames[0], FALSE, &err) == CF_OK) {
251 /* XXX - add this to the menu if the read fails? */
253 add_menu_recent_capture_file(in_filenames[0]);
255 /* the capture file couldn't be read (doesn't exist, file format unknown, ...) */
259 /* build and show the info dialog */
260 dialog_text = g_string_sized_new(200);
261 g_string_printf(dialog_text,
262 "%sMerging the following files:%s\n\n",
263 simple_dialog_primary_start(), simple_dialog_primary_end());
264 for(files_work = 0; files_work < in_files; files_work++) {
265 g_string_append(dialog_text, in_filenames[files_work]);
266 g_string_append(dialog_text, "\n");
268 g_string_append(dialog_text, "\nThe packets in these files will be merged chronologically into a new temporary file.");
269 dialog = simple_dialog(ESD_TYPE_CONFIRMATION,
272 g_string_free(dialog_text, TRUE);
274 /* actually merge the files now */
275 dnd_merge_files(in_files, in_filenames);
278 g_free(in_filenames);
279 g_free(cf_names_freeme);
282 /* ask the user to save current unsaved file, before opening the dnd file */
284 dnd_save_file_answered_cb(gpointer dialog _U_, gint btn, gpointer data)
288 /* save file first */
289 file_save_as_cmd(after_save_open_dnd_file, data);
291 case(ESD_BTN_DONT_SAVE):
293 dnd_open_file_cmd(data);
295 case(ESD_BTN_CANCEL):
298 g_assert_not_reached();
303 /* we have received some drag and drop data */
304 /* (as we only registered to "text/uri-list", we will only get a file list here) */
306 dnd_data_received(GtkWidget *widget _U_, GdkDragContext *dc _U_, gint x _U_, gint y _U_,
307 GtkSelectionData *selection_data, guint info, guint t _U_, gpointer data _U_)
310 gchar *cf_names_freeme;
312 if (info == DND_TARGET_URL) {
313 /* Usually we block incoming events by disabling the corresponding menu/toolbar items.
314 * This is the only place where an incoming event won't be blocked in such a way,
315 * so we have to take care of NOT loading a new file while a different process
316 * (e.g. capture/load/...) is still in progress. */
319 /* if a capture is running, do nothing but warn the user */
320 if((global_capture_opts.state != CAPTURE_STOPPED)) {
321 dialog = simple_dialog(ESD_TYPE_CONFIRMATION,
323 "%sDrag and Drop currently not possible!%s\n\n"
324 "Dropping a file isn't possible while a capture is in progress.",
325 simple_dialog_primary_start(), simple_dialog_primary_end());
330 /* if another file read is still in progress, do nothing but warn the user */
331 if((cfile.state == FILE_READ_IN_PROGRESS)) {
332 dialog = simple_dialog(ESD_TYPE_CONFIRMATION,
334 "%sDrag and Drop currently not possible!%s\n\n"
335 "Dropping a file isn't possible while loading another capture file.",
336 simple_dialog_primary_start(), simple_dialog_primary_end());
340 /* the selection_data will soon be gone, make a copy first */
341 /* the data string is not zero terminated -> make a zero terminated "copy" of it */
342 cf_names_freeme = g_malloc(selection_data->length + 1);
343 memcpy(cf_names_freeme, selection_data->data, selection_data->length);
344 cf_names_freeme[selection_data->length] = '\0';
346 /* ask the user to save it's current capture file first */
347 if((cfile.state != FILE_CLOSED) && !cfile.user_saved && prefs.gui_ask_unsaved) {
348 /* user didn't saved his current file, ask him */
349 dialog = simple_dialog(ESD_TYPE_CONFIRMATION,
350 ESD_BTNS_SAVE_DONTSAVE_CANCEL,
351 "%sSave capture file before opening a new one?%s\n\n"
352 "If you open a new capture file without saving, your current capture data will be discarded.",
353 simple_dialog_primary_start(), simple_dialog_primary_end());
354 simple_dialog_set_cb(dialog, dnd_save_file_answered_cb, cf_names_freeme );
357 dnd_open_file_cmd( cf_names_freeme );
362 /* init the drag and drop functionality */
364 dnd_init(GtkWidget *w)
366 /* we are only interested in the URI list containing filenames */
367 static GtkTargetEntry target_entry[] = {
368 /*{"STRING", 0, DND_TARGET_STRING},*/
369 /*{"text/plain", 0, DND_TARGET_STRING},*/
370 {"text/uri-list", 0, DND_TARGET_URL}
373 /* set this window as a dnd destination */
375 w, GTK_DEST_DEFAULT_ALL, target_entry,
376 sizeof(target_entry) / sizeof(GtkTargetEntry),
377 (GdkDragAction)(GDK_ACTION_MOVE | GDK_ACTION_COPY) );
379 /* get notified, if some dnd coming in */
380 gtk_signal_connect(GTK_OBJECT(w), "drag_data_received",
381 GTK_SIGNAL_FUNC(dnd_data_received), NULL);