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"
54 enum { DND_TARGET_STRING, DND_TARGET_ROOTWIN, DND_TARGET_URL };
56 /* convert drag and drop URI to a local filename */
58 dnd_uri2filename(gchar *cf_name)
67 * we have to remove the prefix to get a valid filename. */
70 * On win32 (at least WinXP), this prefix looks like (UNC):
71 * file:////servername/sharename/dir1/dir2/capture-file.cap
72 * or (local filename):
73 * file:///d:/dir1/dir2/capture-file.cap
75 if (strncmp("file:////", cf_name, 9) == 0) {
76 /* win32 UNC: now becoming: //servername/sharename/dir1/dir2/capture-file.cap */
78 } else if (strncmp("file:///", cf_name, 8) == 0) {
79 /* win32 local: now becoming: d:/dir1/dir2/capture-file.cap */
84 * On UNIX (at least KDE 3.0 Konqueror), this prefix looks like:
85 * file:/dir1/dir2/capture-file.cap
87 * On UNIX (at least GNOME Nautilus 2.8.2), this prefix looks like:
88 * file:///dir1/dir2/capture-file.cap
90 if (strncmp("file:", cf_name, 5) == 0) {
91 /* now becoming: /dir1/dir2/capture-file.cap or ///dir1/dir2/capture-file.cap */
93 /* shorten //////thing to /thing */
94 for(; cf_name[1] == '/'; ++cf_name);
99 * unescape the escaped URI characters (spaces, ...)
101 * we have to replace escaped chars to their equivalents,
102 * e.g. %20 (always a two digit hexstring) -> ' '
103 * the percent character '%' is escaped be a double one "%%"
105 * we do this conversation "in place" as the result is always
106 * equal or smaller in size.
114 /* this is an escaped '%' char (was: "%%") */
119 /* convert escaped hexnumber to unscaped character */
123 ret = sscanf(esc, "%x", &i);
129 /* somethings wrong, just jump over that char
130 * this will result in a wrong string, but we might get
131 * user feedback and can fix it later ;-) */
147 dnd_merge_files(int in_file_count, char **in_filenames)
150 cf_status_t merge_status;
153 /* merge the files in chonological order */
155 merge_status = cf_merge_files(&tmpname, in_file_count, in_filenames,
156 WTAP_FILE_PCAP, FALSE);
158 if (merge_status != CF_OK) {
166 /* Try to open the merged capture file. */
167 if (cf_open(&cfile, tmpname, TRUE /* temporary file */, &err) != CF_OK) {
168 /* We couldn't open it; don't dismiss the open dialog box,
169 just leave it around so that the user can, after they
170 dismiss the alert box popped up for the open error,
177 switch (cf_read(&cfile)) {
181 /* Just because we got an error, that doesn't mean we were unable
182 to read any of the file; we handle what we could get from the
186 case CF_READ_ABORTED:
187 /* The user bailed out of re-reading the capture file; the
188 capture file has been closed - just free the capture file name
189 string and return (without changing the last containing
194 gtk_widget_grab_focus(packet_list);
197 /* open/merge the dnd file */
199 dnd_open_file_cmd(gchar *cf_names_freeme)
205 GString *dialog_text;
210 /* DND_TARGET_URL on Win32:
211 * The cf_name_freeme is a single string, containing one or more URI's,
212 * seperated by CR/NL chars. The length of the whole field can be found
213 * in the selection_data->length field. If it contains one file, simply open it,
214 * If it contains more than one file, ask to merge these files. */
216 /* count the number of input files */
217 cf_name = cf_names_freeme;
218 for(in_files = 0; (cf_name = strstr(cf_name, "\r\n")) != NULL; ) {
223 in_filenames = g_malloc(sizeof(char*) * in_files);
225 /* store the starts of the file entries in a gchar array */
226 cf_name = cf_names_freeme;
227 in_filenames[0] = cf_name;
228 for(files_work = 1; (cf_name = strstr(cf_name, "\r\n")) != NULL && files_work < in_files; ) {
230 in_filenames[files_work] = cf_name;
234 /* replace trailing CR NL simply with zeroes (in place), so we get valid terminated strings */
235 cf_name = cf_names_freeme;
236 g_strdelimit(cf_name, "\r\n", '\0');
238 /* convert all filenames from URI to local filename (in place) */
239 for(files_work = 0; files_work < in_files; files_work++) {
240 in_filenames[files_work] = dnd_uri2filename(in_filenames[files_work]);
245 /* shouldn't happen */
248 /* open and read the capture file (this will close an existing file) */
249 if (cf_open(&cfile, in_filenames[0], FALSE, &err) == CF_OK) {
250 /* XXX - add this to the menu if the read fails? */
252 add_menu_recent_capture_file(in_filenames[0]);
254 /* the capture file couldn't be read (doesn't exist, file format unknown, ...) */
258 /* build and show the info dialog */
259 dialog_text = g_string_sized_new(200);
260 g_string_printf(dialog_text,
261 "%sMerging the following files:%s\n\n",
262 simple_dialog_primary_start(), simple_dialog_primary_end());
263 for(files_work = 0; files_work < in_files; files_work++) {
264 g_string_append(dialog_text, in_filenames[files_work]);
265 g_string_append(dialog_text, "\n");
267 g_string_append(dialog_text, "\nThe packets in these files will be merged chronologically into a new temporary file.");
268 dialog = simple_dialog(ESD_TYPE_CONFIRMATION,
271 g_string_free(dialog_text, TRUE);
273 /* actually merge the files now */
274 dnd_merge_files(in_files, in_filenames);
277 g_free(in_filenames);
278 g_free(cf_names_freeme);
281 /* ask the user to save current unsaved file, before opening the dnd file */
283 dnd_save_file_answered_cb(gpointer dialog _U_, gint btn, gpointer data)
287 /* save file first */
288 file_save_as_cmd(after_save_open_dnd_file, data);
290 case(ESD_BTN_DONT_SAVE):
292 dnd_open_file_cmd(data);
294 case(ESD_BTN_CANCEL):
297 g_assert_not_reached();
302 /* we have received some drag and drop data */
303 /* (as we only registered to "text/uri-list", we will only get a file list here) */
305 dnd_data_received(GtkWidget *widget _U_, GdkDragContext *dc _U_, gint x _U_, gint y _U_,
306 GtkSelectionData *selection_data, guint info, guint t _U_, gpointer data _U_)
309 gchar *cf_names_freeme;
311 if (info == DND_TARGET_URL) {
312 /* Usually we block incoming events by disabling the corresponding menu/toolbar items.
313 * This is the only place where an incoming event won't be blocked in such a way,
314 * so we have to take care of NOT loading a new file while a different process
315 * (e.g. capture/load/...) is still in progress. */
318 /* if a capture is running, do nothing but warn the user */
319 if((capture_opts->state != CAPTURE_STOPPED)) {
320 dialog = simple_dialog(ESD_TYPE_CONFIRMATION,
322 "%sDrag and Drop currently not possible!%s\n\n"
323 "Dropping a file isn't possible while a capture is in progress.",
324 simple_dialog_primary_start(), simple_dialog_primary_end());
329 /* if another file read is still in progress, do nothing but warn the user */
330 if((cfile.state == FILE_READ_IN_PROGRESS)) {
331 dialog = simple_dialog(ESD_TYPE_CONFIRMATION,
333 "%sDrag and Drop currently not possible!%s\n\n"
334 "Dropping a file isn't possible while loading another capture file.",
335 simple_dialog_primary_start(), simple_dialog_primary_end());
339 /* the selection_data will soon be gone, make a copy first */
340 /* the data string is not zero terminated -> make a zero terminated "copy" of it */
341 cf_names_freeme = g_malloc(selection_data->length + 1);
342 memcpy(cf_names_freeme, selection_data->data, selection_data->length);
343 cf_names_freeme[selection_data->length] = '\0';
345 /* ask the user to save it's current capture file first */
346 if((cfile.state != FILE_CLOSED) && !cfile.user_saved && prefs.gui_ask_unsaved) {
347 /* user didn't saved his current file, ask him */
348 dialog = simple_dialog(ESD_TYPE_CONFIRMATION,
349 ESD_BTNS_SAVE_DONTSAVE_CANCEL,
350 "%sSave capture file before opening a new one?%s\n\n"
351 "If you open a new capture file without saving, your current capture data will be discarded.",
352 simple_dialog_primary_start(), simple_dialog_primary_end());
353 simple_dialog_set_cb(dialog, dnd_save_file_answered_cb, cf_names_freeme );
356 dnd_open_file_cmd( cf_names_freeme );
361 /* init the drag and drop functionality */
363 dnd_init(GtkWidget *w)
365 /* we are only interested in the URI list containing filenames */
366 static GtkTargetEntry target_entry[] = {
367 /*{"STRING", 0, DND_TARGET_STRING},*/
368 /*{"text/plain", 0, DND_TARGET_STRING},*/
369 {"text/uri-list", 0, DND_TARGET_URL}
372 /* set this window as a dnd destination */
374 w, GTK_DEST_DEFAULT_ALL, target_entry,
375 sizeof(target_entry) / sizeof(GtkTargetEntry),
376 (GdkDragAction)(GDK_ACTION_MOVE | GDK_ACTION_COPY) );
378 /* get notified, if some dnd coming in */
379 gtk_signal_connect(GTK_OBJECT(w), "drag_data_received",
380 GTK_SIGNAL_FUNC(dnd_data_received), NULL);