![Gilbert Ramirez](/assets/img/avatar_default.png)
field's name, if possible. (If the selected field is not a registered field, then of course, we still have to use the frame[x:y] syntax). tree_selected_start and tree_selected_len are on longer globals variables; finfo_selected has replaced them. svn path=/trunk/; revision=1070
1810 lines
50 KiB
C
1810 lines
50 KiB
C
/* file.c
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* File I/O routines
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*
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* $Id: file.c,v 1.121 1999/11/19 22:31:48 gram Exp $
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*
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* Ethereal - Network traffic analyzer
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* By Gerald Combs <gerald@zing.org>
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* Copyright 1998 Gerald Combs
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*
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <gtk/gtk.h>
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#include <stdio.h>
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#include <time.h>
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#ifdef HAVE_IO_H
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#include <io.h>
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#endif
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#include <stdlib.h>
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#include <string.h>
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#include <sys/stat.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <signal.h>
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#ifdef NEED_SNPRINTF_H
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# ifdef HAVE_STDARG_H
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# include <stdarg.h>
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# else
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# include <varargs.h>
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# endif
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# include "snprintf.h"
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#endif
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#ifdef NEED_STRERROR_H
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#include "strerror.h"
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#endif
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#ifdef HAVE_SYS_TYPES_H
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# include <sys/types.h>
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#endif
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#ifdef HAVE_NETINET_IN_H
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# include <netinet/in.h>
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#endif
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#ifdef HAVE_SYS_WAIT_H
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# include <sys/wait.h>
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#endif
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#include "gtk/main.h"
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#include "column.h"
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#include "gtk/menu.h"
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#include "packet.h"
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#include "print.h"
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#include "file.h"
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#include "util.h"
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#include "gtk/proto_draw.h"
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#include "dfilter.h"
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#include "timestamp.h"
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#include "conversation.h"
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#include "globals.h"
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#ifndef __RESOLV_H__
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#include "resolv.h"
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#endif
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#include "packet-atalk.h"
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#include "packet-ipv6.h"
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#include "packet-sna.h"
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#include "packet-vines.h"
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extern GtkWidget *packet_list, *prog_bar, *info_bar, *byte_view, *tree_view;
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extern guint file_ctx;
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extern int sync_pipe[];
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guint cap_input_id;
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gboolean auto_scroll_live = FALSE;
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static guint32 firstsec, firstusec;
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static guint32 prevsec, prevusec;
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static void wtap_dispatch_cb(u_char *, const struct wtap_pkthdr *, int,
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const u_char *);
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static void freeze_clist(capture_file *cf);
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static void thaw_clist(capture_file *cf);
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/* Update the progress bar this many times when reading a file. */
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#define N_PROGBAR_UPDATES 100
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int
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open_cap_file(char *fname, capture_file *cf) {
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wtap *wth;
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int err;
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FILE_T fh;
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int fd;
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struct stat cf_stat;
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wth = wtap_open_offline(fname, &err);
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if (wth == NULL)
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goto fail;
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/* Find the size of the file. */
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fh = wtap_file(wth);
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fd = wtap_fd(wth);
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if (fstat(fd, &cf_stat) < 0) {
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err = errno;
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wtap_close(wth);
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goto fail;
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}
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/* The open succeeded. Close whatever capture file we had open,
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and fill in the information for this file. */
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close_cap_file(cf, info_bar, file_ctx);
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/* Initialize the table of conversations. */
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conversation_init();
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/* Initialize protocol-specific variables */
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init_all_protocols();
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cf->wth = wth;
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cf->fh = fh;
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cf->filed = fd;
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cf->f_len = cf_stat.st_size;
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/* set the file name because we need it to set the follow stream filter */
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cf->filename = g_strdup(fname);
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cf->cd_t = wtap_file_type(cf->wth);
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cf->cd_t_desc = wtap_file_type_string(cf->wth);
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cf->count = 0;
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cf->drops = 0;
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cf->esec = 0;
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cf->eusec = 0;
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cf->snap = wtap_snapshot_length(cf->wth);
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cf->update_progbar = FALSE;
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cf->progbar_quantum = 0;
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cf->progbar_nextstep = 0;
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firstsec = 0, firstusec = 0;
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prevsec = 0, prevusec = 0;
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return (0);
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fail:
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simple_dialog(ESD_TYPE_WARN, NULL,
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file_open_error_message(err, FALSE), fname);
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return (err);
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}
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/* Reset everything to a pristine state */
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void
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close_cap_file(capture_file *cf, void *w, guint context) {
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frame_data *fd, *fd_next;
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if (cf->fh) {
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file_close(cf->fh);
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cf->fh = NULL;
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}
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if (cf->wth) {
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wtap_close(cf->wth);
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cf->wth = NULL;
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}
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for (fd = cf->plist; fd != NULL; fd = fd_next) {
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fd_next = fd->next;
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g_free(fd);
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}
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if (cf->rfcode != NULL) {
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dfilter_destroy(cf->rfcode);
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cf->rfcode = NULL;
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}
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cf->plist = NULL;
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cf->plist_end = NULL;
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unselect_packet(cf); /* nothing to select */
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gtk_clist_freeze(GTK_CLIST(packet_list));
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gtk_clist_clear(GTK_CLIST(packet_list));
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gtk_clist_thaw(GTK_CLIST(packet_list));
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gtk_statusbar_pop(GTK_STATUSBAR(w), context);
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/* Disable all menu items that make sense only if you have a capture. */
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set_menu_sensitivity("/File/Save", FALSE);
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set_menu_sensitivity("/File/Save As...", FALSE);
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set_menu_sensitivity("/File/Close", FALSE);
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set_menu_sensitivity("/File/Reload", FALSE);
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set_menu_sensitivity("/File/Print...", FALSE);
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set_menu_sensitivity("/Display/Options...", FALSE);
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set_menu_sensitivity("/Display/Match Selected", FALSE);
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set_menu_sensitivity("/Display/Colorize Display...", FALSE);
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set_menu_sensitivity("/Display/Find Frame...", FALSE);
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set_menu_sensitivity("/Display/Go To Frame...", FALSE);
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set_menu_sensitivity("/Display/Collapse All", FALSE);
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set_menu_sensitivity("/Display/Expand All", FALSE);
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set_menu_sensitivity("/Tools/Follow TCP Stream", FALSE);
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set_menu_sensitivity("/Tools/Graph", FALSE);
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set_menu_sensitivity("/Tools/Summary", FALSE);
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}
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int
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read_cap_file(capture_file *cf) {
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gchar *name_ptr, *load_msg, *load_fmt = " Loading: %s...";
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gchar *done_fmt = " File: %s Drops: %d";
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int success;
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int err;
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size_t msg_len;
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char *errmsg;
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char errmsg_errno[1024+1];
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gchar err_str[2048+1];
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if ((name_ptr = (gchar *) strrchr(cf->filename, '/')) == NULL)
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name_ptr = cf->filename;
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else
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name_ptr++;
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load_msg = g_malloc(strlen(name_ptr) + strlen(load_fmt) + 2);
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sprintf(load_msg, load_fmt, name_ptr);
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gtk_statusbar_push(GTK_STATUSBAR(info_bar), file_ctx, load_msg);
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cf->update_progbar = TRUE;
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/* Update the progress bar when it gets to this value. */
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cf->progbar_nextstep = 0;
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/* When we reach the value that triggers a progress bar update,
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bump that value by this amount. */
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cf->progbar_quantum = cf->f_len/N_PROGBAR_UPDATES;
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freeze_clist(cf);
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proto_tree_is_visible = FALSE;
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success = wtap_loop(cf->wth, 0, wtap_dispatch_cb, (u_char *) cf, &err);
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wtap_close(cf->wth);
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cf->wth = NULL;
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cf->filed = open(cf->filename, O_RDONLY);
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cf->fh = filed_open(cf->filed, "r");
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cf->unfiltered_count = cf->count;
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cf->current_frame = cf->first_displayed;
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/* Make the first row the selected row. */
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gtk_clist_select_row(GTK_CLIST(packet_list), 0, -1);
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thaw_clist(cf);
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gtk_progress_set_activity_mode(GTK_PROGRESS(prog_bar), FALSE);
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gtk_progress_set_value(GTK_PROGRESS(prog_bar), 0);
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gtk_statusbar_pop(GTK_STATUSBAR(info_bar), file_ctx);
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msg_len = strlen(name_ptr) + strlen(done_fmt) + 64;
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load_msg = g_realloc(load_msg, msg_len);
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if (cf->user_saved || !cf->save_file)
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snprintf(load_msg, msg_len, done_fmt, name_ptr, cf->drops);
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else
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snprintf(load_msg, msg_len, done_fmt, "<none>", cf->drops);
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gtk_statusbar_push(GTK_STATUSBAR(info_bar), file_ctx, load_msg);
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g_free(load_msg);
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/* Enable menu items that make sense if you have a capture. */
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set_menu_sensitivity("/File/Close", TRUE);
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set_menu_sensitivity("/File/Reload", TRUE);
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set_menu_sensitivity("/File/Print...", TRUE);
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set_menu_sensitivity("/Display/Options...", TRUE);
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set_menu_sensitivity("/Display/Match Selected", TRUE);
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set_menu_sensitivity("/Display/Colorize Display...", TRUE);
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set_menu_sensitivity("/Display/Find Frame...", TRUE);
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set_menu_sensitivity("/Display/Go To Frame...", TRUE);
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set_menu_sensitivity("/Tools/Follow TCP Stream", TRUE);
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set_menu_sensitivity("/Tools/Graph", TRUE);
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set_menu_sensitivity("/Tools/Summary", TRUE);
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if (!success) {
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/* Put up a message box noting that the read failed somewhere along
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the line. Don't throw out the stuff we managed to read, though,
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if any. */
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switch (err) {
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case WTAP_ERR_CANT_READ:
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errmsg = "An attempt to read from the file failed for"
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" some unknown reason.";
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break;
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case WTAP_ERR_SHORT_READ:
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errmsg = "The capture file appears to have been cut short"
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" in the middle of a packet.";
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break;
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case WTAP_ERR_BAD_RECORD:
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errmsg = "The capture file appears to be damaged or corrupt.";
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break;
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default:
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sprintf(errmsg_errno, "An error occurred while reading the"
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" capture file: %s.", wtap_strerror(err));
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errmsg = errmsg_errno;
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break;
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}
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snprintf(err_str, sizeof err_str, errmsg);
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simple_dialog(ESD_TYPE_WARN, NULL, err_str);
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return (err);
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} else
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return (0);
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}
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#ifdef HAVE_LIBPCAP
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void
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cap_file_input_cb (gpointer data, gint source, GdkInputCondition condition) {
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capture_file *cf = (capture_file *)data;
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char buffer[256+1], *p = buffer, *q = buffer;
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int nread;
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int to_read = 0;
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gboolean exit_loop = FALSE;
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int err;
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int wstatus;
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int wsignal;
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char *msg;
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char *sigmsg;
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char sigmsg_buf[6+1+3+1];
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char *coredumped;
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/* avoid reentrancy problems and stack overflow */
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gtk_input_remove(cap_input_id);
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if ((nread = read(sync_pipe[0], buffer, 256)) <= 0) {
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/* The child has closed the sync pipe, meaning it's not going to be
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capturing any more packets. Pick up its exit status, and
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complain if it died of a signal. */
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if (wait(&wstatus) != -1) {
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/* XXX - are there any platforms on which we can run that *don't*
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support POSIX.1's <sys/wait.h> and macros therein? */
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wsignal = wstatus & 0177;
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coredumped = "";
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if (wstatus == 0177) {
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/* It stopped, rather than exiting. "Should not happen." */
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msg = "stopped";
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wsignal = (wstatus >> 8) & 0xFF;
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} else {
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msg = "terminated";
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if (wstatus & 0200)
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coredumped = " - core dumped";
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}
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if (wsignal != 0) {
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switch (wsignal) {
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case SIGHUP:
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sigmsg = "Hangup";
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break;
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case SIGINT:
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sigmsg = "Interrupted";
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break;
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case SIGQUIT:
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sigmsg = "Quit";
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break;
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case SIGILL:
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sigmsg = "Illegal instruction";
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break;
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case SIGTRAP:
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sigmsg = "Trace trap";
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break;
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case SIGABRT:
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sigmsg = "Abort";
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break;
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case SIGFPE:
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sigmsg = "Arithmetic exception";
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break;
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case SIGKILL:
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sigmsg = "Killed";
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break;
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|
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case SIGBUS:
|
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sigmsg = "Bus error";
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break;
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|
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case SIGSEGV:
|
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sigmsg = "Segmentation violation";
|
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break;
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|
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/* http://metalab.unc.edu/pub/Linux/docs/HOWTO/GCC-HOWTO
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Linux is POSIX compliant. These are not POSIX-defined signals ---
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ISO/IEC 9945-1:1990 (IEEE Std 1003.1-1990), paragraph B.3.3.1.1 sez:
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|
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``The signals SIGBUS, SIGEMT, SIGIOT, SIGTRAP, and SIGSYS
|
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were omitted from POSIX.1 because their behavior is
|
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implementation dependent and could not be adequately catego-
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rized. Conforming implementations may deliver these sig-
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nals, but must document the circumstances under which they
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are delivered and note any restrictions concerning their
|
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delivery.''
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*/
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|
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#ifdef SIGSYS
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case SIGSYS:
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sigmsg = "Bad system call";
|
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break;
|
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#endif
|
|
|
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case SIGPIPE:
|
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sigmsg = "Broken pipe";
|
|
break;
|
|
|
|
case SIGALRM:
|
|
sigmsg = "Alarm clock";
|
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break;
|
|
|
|
case SIGTERM:
|
|
sigmsg = "Terminated";
|
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break;
|
|
|
|
default:
|
|
sprintf(sigmsg_buf, "Signal %d", wsignal);
|
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sigmsg = sigmsg_buf;
|
|
break;
|
|
}
|
|
simple_dialog(ESD_TYPE_WARN, NULL,
|
|
"Child capture process %s: %s%s", msg, sigmsg, coredumped);
|
|
}
|
|
}
|
|
|
|
/* Read what remains of the capture file, and stop capture (restore
|
|
menu items) */
|
|
gtk_clist_freeze(GTK_CLIST(packet_list));
|
|
|
|
/* XXX - do something if this fails? */
|
|
wtap_loop(cf->wth, 0, wtap_dispatch_cb, (u_char *) cf, &err);
|
|
|
|
thaw_clist(cf);
|
|
if (auto_scroll_live)
|
|
gtk_clist_moveto(GTK_CLIST(packet_list),
|
|
cf->plist_end->row, -1, 1.0, 1.0);
|
|
|
|
wtap_close(cf->wth);
|
|
cf->wth = NULL;
|
|
set_menu_sensitivity("/File/Open...", TRUE);
|
|
set_menu_sensitivity("/File/Close", TRUE);
|
|
set_menu_sensitivity("/File/Save As...", TRUE);
|
|
set_menu_sensitivity("/File/Print...", TRUE);
|
|
set_menu_sensitivity("/File/Reload", TRUE);
|
|
set_menu_sensitivity("/Capture/Start...", TRUE);
|
|
set_menu_sensitivity("/Tools/Summary", TRUE);
|
|
gtk_statusbar_push(GTK_STATUSBAR(info_bar), file_ctx, " File: <none>");
|
|
return;
|
|
}
|
|
|
|
buffer[nread] = '\0';
|
|
|
|
while(!exit_loop) {
|
|
/* look for (possibly multiple) '*' */
|
|
switch (*q) {
|
|
case '*' :
|
|
to_read += atoi(p);
|
|
p = q + 1;
|
|
q++;
|
|
break;
|
|
case '\0' :
|
|
/* XXX should handle the case of a pipe full (i.e. no star found) */
|
|
exit_loop = TRUE;
|
|
break;
|
|
default :
|
|
q++;
|
|
break;
|
|
}
|
|
}
|
|
|
|
gtk_clist_freeze(GTK_CLIST(packet_list));
|
|
/* XXX - do something if this fails? */
|
|
wtap_loop(cf->wth, to_read, wtap_dispatch_cb, (u_char *) cf, &err);
|
|
gtk_clist_thaw(GTK_CLIST(packet_list));
|
|
if (auto_scroll_live)
|
|
gtk_clist_moveto(GTK_CLIST(packet_list), cf->plist_end->row, -1, 1.0, 1.0);
|
|
|
|
/* restore pipe handler */
|
|
cap_input_id = gtk_input_add_full (sync_pipe[0],
|
|
GDK_INPUT_READ,
|
|
cap_file_input_cb,
|
|
NULL,
|
|
(gpointer) cf,
|
|
NULL);
|
|
}
|
|
|
|
int
|
|
tail_cap_file(char *fname, capture_file *cf) {
|
|
int err;
|
|
int i;
|
|
|
|
err = open_cap_file(fname, cf);
|
|
if ((err == 0) && (cf->cd_t != WTAP_FILE_UNKNOWN)) {
|
|
|
|
set_menu_sensitivity("/File/Open...", FALSE);
|
|
set_menu_sensitivity("/Display/Options...", TRUE);
|
|
set_menu_sensitivity("/Display/Match Selected", TRUE);
|
|
set_menu_sensitivity("/Display/Colorize Display...", TRUE);
|
|
set_menu_sensitivity("/Display/Find Frame...", TRUE);
|
|
set_menu_sensitivity("/Display/Go To Frame...", TRUE);
|
|
set_menu_sensitivity("/Tools/Follow TCP Stream", TRUE);
|
|
set_menu_sensitivity("/Tools/Graph", TRUE);
|
|
set_menu_sensitivity("/Tools/Summary", TRUE);
|
|
set_menu_sensitivity("/Capture/Start...", FALSE);
|
|
|
|
for (i = 0; i < cf->cinfo.num_cols; i++) {
|
|
if (get_column_resize_type(cf->cinfo.col_fmt[i]) == RESIZE_LIVE)
|
|
gtk_clist_set_column_auto_resize(GTK_CLIST(packet_list), i, TRUE);
|
|
else {
|
|
gtk_clist_set_column_auto_resize(GTK_CLIST(packet_list), i, FALSE);
|
|
gtk_clist_set_column_width(GTK_CLIST(packet_list), i,
|
|
cf->cinfo.col_width[i]);
|
|
gtk_clist_set_column_resizeable(GTK_CLIST(packet_list), i, TRUE);
|
|
}
|
|
}
|
|
|
|
cf->fh = file_open(fname, "r");
|
|
|
|
cap_input_id = gtk_input_add_full (sync_pipe[0],
|
|
GDK_INPUT_READ,
|
|
cap_file_input_cb,
|
|
NULL,
|
|
(gpointer) cf,
|
|
NULL);
|
|
gtk_statusbar_push(GTK_STATUSBAR(info_bar), file_ctx,
|
|
" <live capture in progress>");
|
|
}
|
|
else {
|
|
close(sync_pipe[0]);
|
|
}
|
|
return err;
|
|
}
|
|
#endif /* HAVE_LIBPCAP */
|
|
|
|
/* To do: Add check_col checks to the col_add* routines */
|
|
|
|
static void
|
|
col_set_abs_time(frame_data *fd, int col)
|
|
{
|
|
struct tm *tmp;
|
|
time_t then;
|
|
|
|
then = fd->abs_secs;
|
|
tmp = localtime(&then);
|
|
snprintf(fd->cinfo->col_data[col], COL_MAX_LEN, "%02d:%02d:%02d.%04ld",
|
|
tmp->tm_hour,
|
|
tmp->tm_min,
|
|
tmp->tm_sec,
|
|
(long)fd->abs_usecs/100);
|
|
}
|
|
|
|
static void
|
|
col_set_rel_time(frame_data *fd, int col)
|
|
{
|
|
snprintf(fd->cinfo->col_data[col], COL_MAX_LEN, "%d.%06d", fd->rel_secs,
|
|
fd->rel_usecs);
|
|
}
|
|
|
|
static void
|
|
col_set_delta_time(frame_data *fd, int col)
|
|
{
|
|
snprintf(fd->cinfo->col_data[col], COL_MAX_LEN, "%d.%06d", fd->del_secs,
|
|
fd->del_usecs);
|
|
}
|
|
|
|
/* Add "command-line-specified" time. */
|
|
static void
|
|
col_set_cls_time(frame_data *fd, int col)
|
|
{
|
|
switch (timestamp_type) {
|
|
case ABSOLUTE:
|
|
col_set_abs_time(fd, col);
|
|
break;
|
|
|
|
case RELATIVE:
|
|
col_set_rel_time(fd, col);
|
|
break;
|
|
|
|
case DELTA:
|
|
col_set_delta_time(fd, col);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
col_set_addr(frame_data *fd, int col, address *addr, gboolean is_res)
|
|
{
|
|
u_int ipv4_addr;
|
|
struct e_in6_addr ipv6_addr;
|
|
struct atalk_ddp_addr ddp_addr;
|
|
struct sna_fid_type_4_addr sna_fid_type_4_addr;
|
|
|
|
switch (addr->type) {
|
|
|
|
case AT_ETHER:
|
|
if (is_res)
|
|
strncpy(fd->cinfo->col_data[col], get_ether_name(addr->data), COL_MAX_LEN);
|
|
else
|
|
strncpy(fd->cinfo->col_data[col], ether_to_str(addr->data), COL_MAX_LEN);
|
|
break;
|
|
|
|
case AT_IPv4:
|
|
memcpy(&ipv4_addr, addr->data, sizeof ipv4_addr);
|
|
if (is_res)
|
|
strncpy(fd->cinfo->col_data[col], get_hostname(ipv4_addr), COL_MAX_LEN);
|
|
else
|
|
strncpy(fd->cinfo->col_data[col], ip_to_str(addr->data), COL_MAX_LEN);
|
|
break;
|
|
|
|
case AT_IPv6:
|
|
memcpy(&ipv6_addr.s6_addr, addr->data, sizeof ipv6_addr.s6_addr);
|
|
if (is_res)
|
|
strncpy(fd->cinfo->col_data[col], get_hostname6(&ipv6_addr), COL_MAX_LEN);
|
|
else
|
|
strncpy(fd->cinfo->col_data[col], ip6_to_str(&ipv6_addr), COL_MAX_LEN);
|
|
break;
|
|
|
|
case AT_IPX:
|
|
strncpy(fd->cinfo->col_data[col],
|
|
ipx_addr_to_str(pntohl(&addr->data[0]), &addr->data[4]), COL_MAX_LEN);
|
|
break;
|
|
|
|
case AT_SNA:
|
|
switch (addr->len) {
|
|
|
|
case 1:
|
|
snprintf(fd->cinfo->col_data[col], COL_MAX_LEN, "%04X", addr->data[0]);
|
|
break;
|
|
|
|
case 2:
|
|
snprintf(fd->cinfo->col_data[col], COL_MAX_LEN, "%04X",
|
|
pntohs(&addr->data[0]));
|
|
break;
|
|
|
|
case SNA_FID_TYPE_4_ADDR_LEN:
|
|
memcpy(&sna_fid_type_4_addr, addr->data, SNA_FID_TYPE_4_ADDR_LEN);
|
|
strncpy(fd->cinfo->col_data[col],
|
|
sna_fid_type_4_addr_to_str(&sna_fid_type_4_addr), COL_MAX_LEN);
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case AT_ATALK:
|
|
memcpy(&ddp_addr, addr->data, sizeof ddp_addr);
|
|
strncpy(fd->cinfo->col_data[col], atalk_addr_to_str(&ddp_addr),
|
|
COL_MAX_LEN);
|
|
break;
|
|
|
|
case AT_VINES:
|
|
strncpy(fd->cinfo->col_data[col], vines_addr_to_str(&addr->data[0]),
|
|
COL_MAX_LEN);
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
fd->cinfo->col_data[col][COL_MAX_LEN - 1] = '\0';
|
|
}
|
|
|
|
static void
|
|
col_set_port(frame_data *fd, int col, port_type ptype, guint32 port,
|
|
gboolean is_res)
|
|
{
|
|
switch (ptype) {
|
|
|
|
case PT_TCP:
|
|
if (is_res)
|
|
strncpy(fd->cinfo->col_data[col], get_tcp_port(port), COL_MAX_LEN);
|
|
else
|
|
snprintf(fd->cinfo->col_data[col], COL_MAX_LEN, "%u", port);
|
|
break;
|
|
|
|
case PT_UDP:
|
|
if (is_res)
|
|
strncpy(fd->cinfo->col_data[col], get_udp_port(port), COL_MAX_LEN);
|
|
else
|
|
snprintf(fd->cinfo->col_data[col], COL_MAX_LEN, "%u", port);
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
fd->cinfo->col_data[col][COL_MAX_LEN - 1] = '\0';
|
|
}
|
|
|
|
static void
|
|
fill_in_columns(frame_data *fd)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < fd->cinfo->num_cols; i++) {
|
|
switch (fd->cinfo->col_fmt[i]) {
|
|
|
|
case COL_NUMBER:
|
|
snprintf(fd->cinfo->col_data[i], COL_MAX_LEN, "%u", fd->num);
|
|
break;
|
|
|
|
case COL_CLS_TIME:
|
|
col_set_cls_time(fd, i);
|
|
break;
|
|
|
|
case COL_ABS_TIME:
|
|
col_set_abs_time(fd, i);
|
|
break;
|
|
|
|
case COL_REL_TIME:
|
|
col_set_rel_time(fd, i);
|
|
break;
|
|
|
|
case COL_DELTA_TIME:
|
|
col_set_delta_time(fd, i);
|
|
break;
|
|
|
|
case COL_DEF_SRC:
|
|
case COL_RES_SRC: /* COL_DEF_SRC is currently just like COL_RES_SRC */
|
|
col_set_addr(fd, i, &pi.src, TRUE);
|
|
break;
|
|
|
|
case COL_UNRES_SRC:
|
|
col_set_addr(fd, i, &pi.src, FALSE);
|
|
break;
|
|
|
|
case COL_DEF_DL_SRC:
|
|
case COL_RES_DL_SRC:
|
|
col_set_addr(fd, i, &pi.dl_src, TRUE);
|
|
break;
|
|
|
|
case COL_UNRES_DL_SRC:
|
|
col_set_addr(fd, i, &pi.dl_src, FALSE);
|
|
break;
|
|
|
|
case COL_DEF_NET_SRC:
|
|
case COL_RES_NET_SRC:
|
|
col_set_addr(fd, i, &pi.net_src, TRUE);
|
|
break;
|
|
|
|
case COL_UNRES_NET_SRC:
|
|
col_set_addr(fd, i, &pi.net_src, FALSE);
|
|
break;
|
|
|
|
case COL_DEF_DST:
|
|
case COL_RES_DST: /* COL_DEF_DST is currently just like COL_RES_DST */
|
|
col_set_addr(fd, i, &pi.dst, TRUE);
|
|
break;
|
|
|
|
case COL_UNRES_DST:
|
|
col_set_addr(fd, i, &pi.dst, FALSE);
|
|
break;
|
|
|
|
case COL_DEF_DL_DST:
|
|
case COL_RES_DL_DST:
|
|
col_set_addr(fd, i, &pi.dl_dst, TRUE);
|
|
break;
|
|
|
|
case COL_UNRES_DL_DST:
|
|
col_set_addr(fd, i, &pi.dl_dst, FALSE);
|
|
break;
|
|
|
|
case COL_DEF_NET_DST:
|
|
case COL_RES_NET_DST:
|
|
col_set_addr(fd, i, &pi.net_dst, TRUE);
|
|
break;
|
|
|
|
case COL_UNRES_NET_DST:
|
|
col_set_addr(fd, i, &pi.net_dst, FALSE);
|
|
break;
|
|
|
|
case COL_DEF_SRC_PORT:
|
|
case COL_RES_SRC_PORT: /* COL_DEF_SRC_PORT is currently just like COL_RES_SRC_PORT */
|
|
col_set_port(fd, i, pi.ptype, pi.srcport, TRUE);
|
|
break;
|
|
|
|
case COL_UNRES_SRC_PORT:
|
|
col_set_port(fd, i, pi.ptype, pi.srcport, FALSE);
|
|
break;
|
|
|
|
case COL_DEF_DST_PORT:
|
|
case COL_RES_DST_PORT: /* COL_DEF_DST_PORT is currently just like COL_RES_DST_PORT */
|
|
col_set_port(fd, i, pi.ptype, pi.destport, TRUE);
|
|
break;
|
|
|
|
case COL_UNRES_DST_PORT:
|
|
col_set_port(fd, i, pi.ptype, pi.destport, FALSE);
|
|
break;
|
|
|
|
case COL_PROTOCOL: /* currently done by dissectors */
|
|
case COL_INFO: /* currently done by dissectors */
|
|
break;
|
|
|
|
case COL_PACKET_LENGTH:
|
|
snprintf(fd->cinfo->col_data[i], COL_MAX_LEN, "%d", fd->pkt_len);
|
|
break;
|
|
|
|
case NUM_COL_FMTS: /* keep compiler happy - shouldn't get here */
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
add_packet_to_packet_list(frame_data *fdata, capture_file *cf, const u_char *buf)
|
|
{
|
|
gint i, row;
|
|
gint crow;
|
|
gint color;
|
|
proto_tree *protocol_tree;
|
|
|
|
fdata->num = cf->count;
|
|
|
|
/* If we don't have the time stamp of the first packet in the
|
|
capture, it's because this is the first packet. Save the time
|
|
stamp of this packet as the time stamp of the first packet. */
|
|
if (!firstsec && !firstusec) {
|
|
firstsec = fdata->abs_secs;
|
|
firstusec = fdata->abs_usecs;
|
|
}
|
|
|
|
/* Get the time elapsed between the first packet and this packet. */
|
|
cf->esec = fdata->abs_secs - firstsec;
|
|
if (firstusec <= fdata->abs_usecs) {
|
|
cf->eusec = fdata->abs_usecs - firstusec;
|
|
} else {
|
|
cf->eusec = (fdata->abs_usecs + 1000000) - firstusec;
|
|
cf->esec--;
|
|
}
|
|
|
|
fdata->cinfo = &cf->cinfo;
|
|
for (i = 0; i < fdata->cinfo->num_cols; i++) {
|
|
fdata->cinfo->col_data[i][0] = '\0';
|
|
}
|
|
|
|
/* Apply the filters */
|
|
if (cf->dfcode != NULL || CFILTERS_CONTAINS_FILTER(cf)) {
|
|
protocol_tree = proto_tree_create_root();
|
|
dissect_packet(buf, fdata, protocol_tree);
|
|
if (cf->dfcode != NULL)
|
|
fdata->passed_dfilter = dfilter_apply(cf->dfcode, protocol_tree, cf->pd);
|
|
else
|
|
fdata->passed_dfilter = TRUE;
|
|
/* Apply color filters. */
|
|
color = -1;
|
|
for(crow = 0; cf->colors->num_of_filters &&
|
|
crow < cf->colors->num_of_filters; crow++) {
|
|
|
|
if(color_filter(cf,crow)->c_colorfilter == NULL) {
|
|
continue;
|
|
}
|
|
if(dfilter_apply(color_filter(cf,crow)->c_colorfilter, protocol_tree,
|
|
cf->pd)){
|
|
color = crow;
|
|
break;
|
|
}
|
|
}
|
|
|
|
proto_tree_free(protocol_tree);
|
|
}
|
|
else {
|
|
dissect_packet(buf, fdata, NULL);
|
|
fdata->passed_dfilter = TRUE;
|
|
color = -1;
|
|
}
|
|
if (fdata->passed_dfilter) {
|
|
/* If we don't have the time stamp of the previous displayed packet,
|
|
it's because this is the first displayed packet. Save the time
|
|
stamp of this packet as the time stamp of the previous displayed
|
|
packet. */
|
|
if (!prevsec && !prevusec) {
|
|
prevsec = fdata->abs_secs;
|
|
prevusec = fdata->abs_usecs;
|
|
}
|
|
|
|
/* Get the time elapsed between the first packet and this packet. */
|
|
fdata->rel_secs = cf->esec;
|
|
fdata->rel_usecs = cf->eusec;
|
|
|
|
/* Get the time elapsed between the previous displayed packet and
|
|
this packet. */
|
|
fdata->del_secs = fdata->abs_secs - prevsec;
|
|
if (prevusec <= fdata->abs_usecs) {
|
|
fdata->del_usecs = fdata->abs_usecs - prevusec;
|
|
} else {
|
|
fdata->del_usecs = (fdata->abs_usecs + 1000000) - prevusec;
|
|
fdata->del_secs--;
|
|
}
|
|
prevsec = fdata->abs_secs;
|
|
prevusec = fdata->abs_usecs;
|
|
|
|
fill_in_columns(fdata);
|
|
|
|
row = gtk_clist_append(GTK_CLIST(packet_list), fdata->cinfo->col_data);
|
|
fdata->row = row;
|
|
|
|
if (cf->colors->color_filters && (color != -1)){
|
|
gtk_clist_set_background(GTK_CLIST(packet_list), row,
|
|
&(color_filter(cf,color)->bg_color));
|
|
gtk_clist_set_foreground(GTK_CLIST(packet_list), row,
|
|
&(color_filter(cf,color)->fg_color));
|
|
} else {
|
|
gtk_clist_set_background(GTK_CLIST(packet_list), row, &WHITE);
|
|
gtk_clist_set_foreground(GTK_CLIST(packet_list), row, &BLACK);
|
|
}
|
|
|
|
/* If we haven't yet seen the first frame, this is it. */
|
|
if (cf->first_displayed == NULL)
|
|
cf->first_displayed = fdata;
|
|
|
|
/* This is the last frame we've seen so far. */
|
|
cf->last_displayed = fdata;
|
|
|
|
/* If this was the current frame, remember the row it's in, so
|
|
we can arrange that it's on the screen when we're done. */
|
|
if (cf->current_frame == fdata)
|
|
cf->current_row = row;
|
|
} else
|
|
fdata->row = -1; /* not in the display */
|
|
fdata->cinfo = NULL;
|
|
}
|
|
|
|
static void
|
|
wtap_dispatch_cb(u_char *user, const struct wtap_pkthdr *phdr, int offset,
|
|
const u_char *buf) {
|
|
frame_data *fdata;
|
|
capture_file *cf = (capture_file *) user;
|
|
int passed;
|
|
proto_tree *protocol_tree;
|
|
frame_data *plist_end;
|
|
int file_pos;
|
|
float prog_val;
|
|
|
|
/* Update the progress bar, but do it only N_PROGBAR_UPDATES times;
|
|
when we update it, we have to run the GTK+ main loop to get it
|
|
to repaint what's pending, and doing so may involve an "ioctl()"
|
|
to see if there's any pending input from an X server, and doing
|
|
that for every packet can be costly, especially on a big file.
|
|
|
|
Do so only if we were told to do so; when reading a capture file
|
|
being updated by a live capture, we don't do so (as we're not
|
|
"done" until the capture stops, so we don't know how close to
|
|
"done" we are. */
|
|
|
|
if (cf->update_progbar && offset >= cf->progbar_nextstep) {
|
|
file_pos = lseek(cf->filed, 0, SEEK_CUR);
|
|
prog_val = (gfloat) file_pos / (gfloat) cf->f_len;
|
|
gtk_progress_bar_update(GTK_PROGRESS_BAR(prog_bar), prog_val);
|
|
cf->progbar_nextstep += cf->progbar_quantum;
|
|
while (gtk_events_pending())
|
|
gtk_main_iteration();
|
|
}
|
|
|
|
/* Allocate the next list entry, and add it to the list. */
|
|
fdata = (frame_data *) g_malloc(sizeof(frame_data));
|
|
|
|
fdata->next = NULL;
|
|
fdata->prev = NULL;
|
|
fdata->pkt_len = phdr->len;
|
|
fdata->cap_len = phdr->caplen;
|
|
fdata->file_off = offset;
|
|
fdata->lnk_t = phdr->pkt_encap;
|
|
fdata->abs_secs = phdr->ts.tv_sec;
|
|
fdata->abs_usecs = phdr->ts.tv_usec;
|
|
fdata->pseudo_header = phdr->pseudo_header;
|
|
fdata->cinfo = NULL;
|
|
|
|
passed = TRUE;
|
|
if (cf->rfcode) {
|
|
protocol_tree = proto_tree_create_root();
|
|
dissect_packet(buf, fdata, protocol_tree);
|
|
passed = dfilter_apply(cf->rfcode, protocol_tree, cf->pd);
|
|
proto_tree_free(protocol_tree);
|
|
}
|
|
if (passed) {
|
|
plist_end = cf->plist_end;
|
|
fdata->prev = plist_end;
|
|
if (plist_end != NULL)
|
|
plist_end->next = fdata;
|
|
else
|
|
cf->plist = fdata;
|
|
cf->plist_end = fdata;
|
|
|
|
cf->count++;
|
|
add_packet_to_packet_list(fdata, cf, buf);
|
|
} else
|
|
g_free(fdata);
|
|
}
|
|
|
|
void
|
|
filter_packets(capture_file *cf, gchar *dftext)
|
|
{
|
|
dfilter *dfcode;
|
|
|
|
if (dftext == NULL) {
|
|
/* The new filter is an empty filter (i.e., display all packets). */
|
|
dfcode = NULL;
|
|
} else {
|
|
/*
|
|
* We have a filter; try to compile it.
|
|
*/
|
|
if (dfilter_compile(dftext, &dfcode) != 0) {
|
|
/* The attempt failed; report an error. */
|
|
simple_dialog(ESD_TYPE_WARN, NULL, dfilter_error_msg);
|
|
return;
|
|
}
|
|
|
|
/* Was it empty? */
|
|
if (dfcode == NULL) {
|
|
/* Yes - free the filter text, and set it to null. */
|
|
g_free(dftext);
|
|
dftext = NULL;
|
|
}
|
|
}
|
|
|
|
/* We have a valid filter. Replace the current filter. */
|
|
if (cf->dfilter != NULL)
|
|
g_free(cf->dfilter);
|
|
cf->dfilter = dftext;
|
|
if (cf->dfcode != NULL)
|
|
dfilter_destroy(cf->dfcode);
|
|
cf->dfcode = dfcode;
|
|
|
|
/* Now go through the list of packets we've read from the capture file,
|
|
applying the current display filter, and, if the packet passes the
|
|
display filter, add it to the summary display, appropriately
|
|
colored. (That's how we colorize the display - it's like filtering
|
|
the display, only we don't install a new filter.) */
|
|
colorize_packets(cf);
|
|
}
|
|
|
|
void
|
|
colorize_packets(capture_file *cf)
|
|
{
|
|
frame_data *fd;
|
|
guint32 progbar_quantum;
|
|
guint32 progbar_nextstep;
|
|
|
|
/* We need to re-initialize all the state information that protocols
|
|
keep, because we're making a fresh pass through all the packets. */
|
|
|
|
/* Initialize the table of conversations. */
|
|
conversation_init();
|
|
|
|
/* Initialize protocol-specific variables */
|
|
init_all_protocols();
|
|
|
|
gtk_progress_set_activity_mode(GTK_PROGRESS(prog_bar), FALSE);
|
|
|
|
/* Freeze the packet list while we redo it, so we don't get any
|
|
screen updates while it happens. */
|
|
gtk_clist_freeze(GTK_CLIST(packet_list));
|
|
|
|
/* Clear it out. */
|
|
gtk_clist_clear(GTK_CLIST(packet_list));
|
|
|
|
/* We don't yet know which will be the first and last frames displayed. */
|
|
cf->first_displayed = NULL;
|
|
cf->last_displayed = NULL;
|
|
|
|
/* If a packet was selected, we don't know yet what row, if any, it'll
|
|
get. */
|
|
cf->current_row = -1;
|
|
|
|
/* Iterate through the list of packets, calling a routine
|
|
to run the filter on the packet, see if it matches, and
|
|
put it in the display list if so. */
|
|
firstsec = 0;
|
|
firstusec = 0;
|
|
prevsec = 0;
|
|
prevusec = 0;
|
|
cf->unfiltered_count = cf->count;
|
|
cf->count = 0;
|
|
|
|
proto_tree_is_visible = FALSE;
|
|
|
|
/* Update the progress bar when it gets to this value. */
|
|
progbar_nextstep = 0;
|
|
/* When we reach the value that triggers a progress bar update,
|
|
bump that value by this amount. */
|
|
progbar_quantum = cf->unfiltered_count/N_PROGBAR_UPDATES;
|
|
gtk_progress_bar_set_orientation(GTK_PROGRESS_BAR(prog_bar), GTK_PROGRESS_LEFT_TO_RIGHT);
|
|
|
|
for (fd = cf->plist; fd != NULL; fd = fd->next) {
|
|
/* Update the progress bar, but do it only N_PROGBAR_UPDATES times;
|
|
when we update it, we have to run the GTK+ main loop to get it
|
|
to repaint what's pending, and doing so may involve an "ioctl()"
|
|
to see if there's any pending input from an X server, and doing
|
|
that for every packet can be costly, especially on a big file. */
|
|
if (cf->count >= progbar_nextstep) {
|
|
/* let's not divide by zero. I should never be started
|
|
* with unfiltered_count == 0, so let's assert that
|
|
*/
|
|
g_assert(cf->unfiltered_count > 0);
|
|
|
|
gtk_progress_bar_update(GTK_PROGRESS_BAR(prog_bar),
|
|
(gfloat) cf->count / cf->unfiltered_count);
|
|
|
|
progbar_nextstep += progbar_quantum;
|
|
while (gtk_events_pending())
|
|
gtk_main_iteration();
|
|
}
|
|
|
|
cf->count++;
|
|
|
|
wtap_seek_read (cf->cd_t, cf->fh, fd->file_off, cf->pd, fd->cap_len);
|
|
|
|
add_packet_to_packet_list(fd, cf, cf->pd);
|
|
}
|
|
|
|
gtk_progress_bar_update(GTK_PROGRESS_BAR(prog_bar), 0);
|
|
|
|
if (cf->current_row != -1) {
|
|
/* The current frame passed the filter; make sure it's visible. */
|
|
if (!gtk_clist_row_is_visible(GTK_CLIST(packet_list), cf->current_row))
|
|
gtk_clist_moveto(GTK_CLIST(packet_list), cf->current_row, -1, 0.0, 0.0);
|
|
if (cf->current_frame_is_selected) {
|
|
/* It was selected, so re-select it. */
|
|
gtk_clist_select_row(GTK_CLIST(packet_list), cf->current_row, -1);
|
|
}
|
|
finfo_selected = NULL;
|
|
} else {
|
|
/* The current frame didn't pass the filter; make the first frame
|
|
the current frame, and leave it unselected. */
|
|
unselect_packet(cf);
|
|
cf->current_frame = cf->first_displayed;
|
|
}
|
|
|
|
/* Unfreeze the packet list. */
|
|
gtk_clist_thaw(GTK_CLIST(packet_list));
|
|
}
|
|
|
|
int
|
|
print_packets(capture_file *cf, print_args_t *print_args)
|
|
{
|
|
int i;
|
|
frame_data *fd;
|
|
guint32 progbar_quantum;
|
|
guint32 progbar_nextstep;
|
|
guint32 count;
|
|
proto_tree *protocol_tree;
|
|
gint *col_widths = NULL;
|
|
gint data_width;
|
|
gboolean print_separator;
|
|
|
|
cf->print_fh = open_print_dest(print_args->to_file, print_args->dest);
|
|
if (cf->print_fh == NULL)
|
|
return FALSE; /* attempt to open destination failed */
|
|
|
|
/* XXX - printing multiple frames in PostScript looks as if it's
|
|
tricky - you have to deal with page boundaries, I think -
|
|
and I'll have to spend some time learning enough about
|
|
PostScript to figure it out, so, for now, we only print
|
|
multiple frames as text. */
|
|
#if 0
|
|
print_preamble(cf->print_fh);
|
|
#endif
|
|
|
|
if (print_args->print_summary) {
|
|
/* We're printing packet summaries.
|
|
|
|
Find the widths for each of the columns - maximum of the
|
|
width of the title and the width of the data - and print
|
|
the column titles. */
|
|
col_widths = (gint *) g_malloc(sizeof(gint) * cf->cinfo.num_cols);
|
|
for (i = 0; i < cf->cinfo.num_cols; i++) {
|
|
/* Don't pad the last column. */
|
|
if (i == cf->cinfo.num_cols - 1)
|
|
col_widths[i] = 0;
|
|
else {
|
|
col_widths[i] = strlen(cf->cinfo.col_title[i]);
|
|
data_width = get_column_char_width(get_column_format(i));
|
|
if (data_width > col_widths[i])
|
|
col_widths[i] = data_width;
|
|
}
|
|
|
|
/* Right-justify the packet number column. */
|
|
if (cf->cinfo.col_fmt[i] == COL_NUMBER)
|
|
fprintf(cf->print_fh, "%*s", col_widths[i], cf->cinfo.col_title[i]);
|
|
else
|
|
fprintf(cf->print_fh, "%-*s", col_widths[i], cf->cinfo.col_title[i]);
|
|
if (i == cf->cinfo.num_cols - 1)
|
|
fputc('\n', cf->print_fh);
|
|
else
|
|
fputc(' ', cf->print_fh);
|
|
}
|
|
}
|
|
|
|
print_separator = FALSE;
|
|
proto_tree_is_visible = TRUE;
|
|
|
|
/* Update the progress bar when it gets to this value. */
|
|
progbar_nextstep = 0;
|
|
/* When we reach the value that triggers a progress bar update,
|
|
bump that value by this amount. */
|
|
progbar_quantum = cf->unfiltered_count/N_PROGBAR_UPDATES;
|
|
/* Count of packets we've looked at. */
|
|
count = 0;
|
|
|
|
/* Iterate through the list of packets, printing the packets that
|
|
were selected by the current display filter. */
|
|
for (fd = cf->plist; fd != NULL; fd = fd->next) {
|
|
/* Update the progress bar, but do it only N_PROGBAR_UPDATES times;
|
|
when we update it, we have to run the GTK+ main loop to get it
|
|
to repaint what's pending, and doing so may involve an "ioctl()"
|
|
to see if there's any pending input from an X server, and doing
|
|
that for every packet can be costly, especially on a big file. */
|
|
if (count >= progbar_nextstep) {
|
|
/* let's not divide by zero. I should never be started
|
|
* with unfiltered_count == 0, so let's assert that
|
|
*/
|
|
g_assert(cf->unfiltered_count > 0);
|
|
|
|
gtk_progress_bar_update(GTK_PROGRESS_BAR(prog_bar),
|
|
(gfloat) count / cf->unfiltered_count);
|
|
progbar_nextstep += progbar_quantum;
|
|
while (gtk_events_pending())
|
|
gtk_main_iteration();
|
|
}
|
|
count++;
|
|
|
|
if (fd->passed_dfilter) {
|
|
wtap_seek_read (cf->cd_t, cf->fh, fd->file_off, cf->pd, fd->cap_len);
|
|
if (print_args->print_summary) {
|
|
/* Fill in the column information, but don't bother creating
|
|
the logical protocol tree. */
|
|
fd->cinfo = &cf->cinfo;
|
|
for (i = 0; i < fd->cinfo->num_cols; i++) {
|
|
fd->cinfo->col_data[i][0] = '\0';
|
|
}
|
|
dissect_packet(cf->pd, fd, NULL);
|
|
fill_in_columns(fd);
|
|
for (i = 0; i < cf->cinfo.num_cols; i++) {
|
|
/* Right-justify the packet number column. */
|
|
if (cf->cinfo.col_fmt[i] == COL_NUMBER)
|
|
fprintf(cf->print_fh, "%*s", col_widths[i], cf->cinfo.col_data[i]);
|
|
else
|
|
fprintf(cf->print_fh, "%-*s", col_widths[i], cf->cinfo.col_data[i]);
|
|
if (i == cf->cinfo.num_cols - 1)
|
|
fputc('\n', cf->print_fh);
|
|
else
|
|
fputc(' ', cf->print_fh);
|
|
}
|
|
} else {
|
|
if (print_separator)
|
|
fputc('\n', cf->print_fh);
|
|
|
|
/* Create the logical protocol tree. */
|
|
protocol_tree = proto_tree_create_root();
|
|
dissect_packet(cf->pd, fd, protocol_tree);
|
|
|
|
/* Print the information in that tree. */
|
|
proto_tree_print(FALSE, print_args, (GNode *)protocol_tree,
|
|
cf->pd, fd, cf->print_fh);
|
|
|
|
proto_tree_free(protocol_tree);
|
|
|
|
if (print_args->print_hex) {
|
|
/* Print the full packet data as hex. */
|
|
print_hex_data(cf->print_fh, cf->pd, fd->cap_len);
|
|
}
|
|
|
|
/* Print a blank line if we print anything after this. */
|
|
print_separator = TRUE;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (col_widths != NULL)
|
|
g_free(col_widths);
|
|
|
|
#if 0
|
|
print_finale(cf->print_fh);
|
|
#endif
|
|
|
|
close_print_dest(print_args->to_file, cf->print_fh);
|
|
|
|
gtk_progress_bar_update(GTK_PROGRESS_BAR(prog_bar), 0);
|
|
|
|
cf->print_fh = NULL;
|
|
return TRUE;
|
|
}
|
|
|
|
/* Scan through the packet list and change all columns that use the
|
|
"command-line-specified" time stamp format to use the current
|
|
value of that format. */
|
|
void
|
|
change_time_formats(capture_file *cf)
|
|
{
|
|
frame_data *fd;
|
|
int i;
|
|
GtkStyle *pl_style;
|
|
|
|
/* Freeze the packet list while we redo it, so we don't get any
|
|
screen updates while it happens. */
|
|
freeze_clist(cf);
|
|
|
|
/* Iterate through the list of packets, checking whether the packet
|
|
is in a row of the summary list and, if so, whether there are
|
|
any columns that show the time in the "command-line-specified"
|
|
format and, if so, update that row. */
|
|
for (fd = cf->plist; fd != NULL; fd = fd->next) {
|
|
if (fd->row != -1) {
|
|
/* This packet is in the summary list, on row "fd->row". */
|
|
|
|
/* XXX - there really should be a way of checking "cf->cinfo" for this;
|
|
the answer isn't going to change from packet to packet, so we should
|
|
simply skip all the "change_time_formats()" work if we're not
|
|
changing anything. */
|
|
fd->cinfo = &cf->cinfo;
|
|
if (check_col(fd, COL_CLS_TIME)) {
|
|
/* There are columns that show the time in the "command-line-specified"
|
|
format; update them. */
|
|
for (i = 0; i < cf->cinfo.num_cols; i++) {
|
|
if (cf->cinfo.fmt_matx[i][COL_CLS_TIME]) {
|
|
/* This is one of the columns that shows the time in
|
|
"command-line-specified" format; update it. */
|
|
cf->cinfo.col_data[i][0] = '\0';
|
|
col_set_cls_time(fd, i);
|
|
gtk_clist_set_text(GTK_CLIST(packet_list), fd->row, i,
|
|
cf->cinfo.col_data[i]);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Set the column widths of those columns that show the time in
|
|
"command-line-specified" format. */
|
|
pl_style = gtk_widget_get_style(packet_list);
|
|
for (i = 0; i < cf->cinfo.num_cols; i++) {
|
|
if (cf->cinfo.fmt_matx[i][COL_CLS_TIME]) {
|
|
gtk_clist_set_column_width(GTK_CLIST(packet_list), i,
|
|
get_column_width(COL_CLS_TIME, pl_style->font));
|
|
}
|
|
}
|
|
|
|
/* Unfreeze the packet list. */
|
|
thaw_clist(cf);
|
|
}
|
|
|
|
static void
|
|
clear_tree_and_hex_views(void)
|
|
{
|
|
GList *selection;
|
|
GtkWidget *tmp_item;
|
|
|
|
/* Clear the hex dump. */
|
|
gtk_text_freeze(GTK_TEXT(byte_view));
|
|
gtk_text_set_point(GTK_TEXT(byte_view), 0);
|
|
gtk_text_forward_delete(GTK_TEXT(byte_view),
|
|
gtk_text_get_length(GTK_TEXT(byte_view)));
|
|
gtk_text_thaw(GTK_TEXT(byte_view));
|
|
|
|
/* Deselect any selected tree item. gtktree.c should
|
|
* do this when we clear_items, but it doesn't. I copied
|
|
* this while() loop from gtktree.c, gtk_real_tree_select_child()
|
|
*/
|
|
if (GTK_TREE(tree_view)->root_tree) {
|
|
selection = GTK_TREE(tree_view)->root_tree->selection;
|
|
while (selection) {
|
|
tmp_item = selection->data;
|
|
gtk_tree_item_deselect(GTK_TREE_ITEM(tmp_item));
|
|
gtk_widget_unref(tmp_item);
|
|
selection = selection->next;
|
|
}
|
|
g_list_free(GTK_TREE(tree_view)->root_tree->selection);
|
|
GTK_TREE(tree_view)->root_tree->selection = NULL;
|
|
}
|
|
|
|
/* Clear the protocol tree view. The length arg of -1
|
|
* means to clear all items up to the end. */
|
|
gtk_tree_clear_items(GTK_TREE(tree_view), 0, -1);
|
|
}
|
|
|
|
gboolean
|
|
find_packet(capture_file *cf, dfilter *sfcode)
|
|
{
|
|
frame_data *start_fd;
|
|
frame_data *fd;
|
|
frame_data *new_fd = NULL;
|
|
guint32 progbar_quantum;
|
|
guint32 progbar_nextstep;
|
|
int count;
|
|
proto_tree *protocol_tree;
|
|
|
|
start_fd = cf->current_frame;
|
|
if (start_fd != NULL) {
|
|
gtk_progress_set_activity_mode(GTK_PROGRESS(prog_bar), FALSE);
|
|
|
|
/* Iterate through the list of packets, starting at the packet we've
|
|
picked, calling a routine to run the filter on the packet, see if
|
|
it matches, and stop if so. */
|
|
count = 0;
|
|
fd = start_fd;
|
|
|
|
proto_tree_is_visible = FALSE;
|
|
|
|
/* Update the progress bar when it gets to this value. */
|
|
progbar_nextstep = 0;
|
|
/* When we reach the value that triggers a progress bar update,
|
|
bump that value by this amount.
|
|
|
|
We base the progress bar on the extent to which we've gone through
|
|
the displayed packets, as those are the only ones for which we
|
|
have to do a significant amount of work. */
|
|
progbar_quantum = cf->count/N_PROGBAR_UPDATES;
|
|
gtk_progress_bar_set_orientation(GTK_PROGRESS_BAR(prog_bar), GTK_PROGRESS_LEFT_TO_RIGHT);
|
|
|
|
fd = start_fd;
|
|
for (;;) {
|
|
/* Update the progress bar, but do it only N_PROGBAR_UPDATES times;
|
|
when we update it, we have to run the GTK+ main loop to get it
|
|
to repaint what's pending, and doing so may involve an "ioctl()"
|
|
to see if there's any pending input from an X server, and doing
|
|
that for every packet can be costly, especially on a big file. */
|
|
if (count >= progbar_nextstep) {
|
|
/* let's not divide by zero. I should never be started
|
|
* with count == 0, so let's assert that
|
|
*/
|
|
g_assert(cf->count > 0);
|
|
|
|
gtk_progress_bar_update(GTK_PROGRESS_BAR(prog_bar),
|
|
(gfloat) count / cf->count);
|
|
|
|
progbar_nextstep += progbar_quantum;
|
|
while (gtk_events_pending())
|
|
gtk_main_iteration();
|
|
}
|
|
|
|
/* Go past the current frame. */
|
|
if (cf->sbackward) {
|
|
/* Go on to the previous frame. */
|
|
fd = fd->prev;
|
|
if (fd == NULL)
|
|
fd = cf->plist_end; /* wrap around */
|
|
} else {
|
|
/* Go on to the next frame. */
|
|
fd = fd->next;
|
|
if (fd == NULL)
|
|
fd = cf->plist; /* wrap around */
|
|
}
|
|
|
|
if (fd == start_fd) {
|
|
/* We're back to the frame we were on originally. The search
|
|
failed. */
|
|
break;
|
|
}
|
|
|
|
/* Is this packet in the display? */
|
|
if (fd->passed_dfilter) {
|
|
count++;
|
|
|
|
/* Yes. Does it match the search filter? */
|
|
protocol_tree = proto_tree_create_root();
|
|
wtap_seek_read(cf->cd_t, cf->fh, fd->file_off, cf->pd, fd->cap_len);
|
|
dissect_packet(cf->pd, fd, protocol_tree);
|
|
if (dfilter_apply(sfcode, protocol_tree, cf->pd)) {
|
|
new_fd = fd;
|
|
break; /* found it! */
|
|
}
|
|
}
|
|
}
|
|
|
|
gtk_progress_bar_update(GTK_PROGRESS_BAR(prog_bar), 0);
|
|
}
|
|
|
|
if (new_fd != NULL) {
|
|
/* We found a frame. Make it visible, and select it. */
|
|
if (!gtk_clist_row_is_visible(GTK_CLIST(packet_list), new_fd->row))
|
|
gtk_clist_moveto(GTK_CLIST(packet_list), new_fd->row, -1, 0.0, 0.0);
|
|
gtk_clist_select_row(GTK_CLIST(packet_list), new_fd->row, -1);
|
|
return TRUE; /* success */
|
|
} else
|
|
return FALSE; /* failure */
|
|
}
|
|
|
|
gboolean
|
|
goto_frame(capture_file *cf, guint fnumber)
|
|
{
|
|
frame_data *fd;
|
|
|
|
for (fd = cf->plist; fd != NULL && fd->num < fnumber; fd = fd->next)
|
|
;
|
|
|
|
if (fd != NULL && fd->passed_dfilter) {
|
|
/* We found that frame, and it's currently being displayed.
|
|
Make it visible, and select it. */
|
|
if (!gtk_clist_row_is_visible(GTK_CLIST(packet_list), fd->row))
|
|
gtk_clist_moveto(GTK_CLIST(packet_list), fd->row, -1, 0.0, 0.0);
|
|
gtk_clist_select_row(GTK_CLIST(packet_list), fd->row, -1);
|
|
return TRUE; /* success */
|
|
} else
|
|
return FALSE; /* failure */
|
|
}
|
|
|
|
/* Select the packet on a given row. */
|
|
void
|
|
select_packet(capture_file *cf, int row)
|
|
{
|
|
frame_data *fd;
|
|
int i;
|
|
|
|
/* Clear out whatever's currently in the hex dump. */
|
|
gtk_text_freeze(GTK_TEXT(byte_view));
|
|
gtk_text_set_point(GTK_TEXT(byte_view), 0);
|
|
gtk_text_forward_delete(GTK_TEXT(byte_view),
|
|
gtk_text_get_length(GTK_TEXT(byte_view)));
|
|
|
|
/* Search through the list of frames to see which one is in
|
|
this row. */
|
|
for (fd = cf->plist, i = 0; fd != NULL; fd = fd->next, i++) {
|
|
if (fd->row == row)
|
|
break;
|
|
}
|
|
|
|
g_assert(fd != NULL);
|
|
|
|
/* Record that this frame is the current frame, and that it's selected. */
|
|
cf->current_frame = fd;
|
|
cf->current_frame_is_selected = TRUE;
|
|
|
|
/* Get the data in that frame. */
|
|
wtap_seek_read (cf->cd_t, cf->fh, fd->file_off, cf->pd, fd->cap_len);
|
|
|
|
/* Create the logical protocol tree. */
|
|
if (cf->protocol_tree)
|
|
proto_tree_free(cf->protocol_tree);
|
|
cf->protocol_tree = proto_tree_create_root();
|
|
proto_tree_is_visible = TRUE;
|
|
dissect_packet(cf->pd, cf->current_frame, cf->protocol_tree);
|
|
|
|
/* Display the GUI protocol tree and hex dump. */
|
|
clear_tree_and_hex_views();
|
|
proto_tree_draw(cf->protocol_tree, tree_view);
|
|
packet_hex_print(GTK_TEXT(byte_view), cf->pd, cf->current_frame->cap_len,
|
|
-1, -1);
|
|
gtk_text_thaw(GTK_TEXT(byte_view));
|
|
|
|
/* A packet is selected, so "File/Print Packet" has something to print. */
|
|
set_menu_sensitivity("/File/Print Packet", TRUE);
|
|
set_menu_sensitivity("/Display/Collapse All", TRUE);
|
|
set_menu_sensitivity("/Display/Expand All", TRUE);
|
|
}
|
|
|
|
/* Unselect the selected packet, if any. */
|
|
void
|
|
unselect_packet(capture_file *cf)
|
|
{
|
|
cf->current_frame_is_selected = FALSE;
|
|
|
|
/* Destroy the protocol tree for that packet. */
|
|
if (cf->protocol_tree != NULL) {
|
|
proto_tree_free(cf->protocol_tree);
|
|
cf->protocol_tree = NULL;
|
|
}
|
|
|
|
finfo_selected = NULL;
|
|
|
|
/* Clear out the display of that packet. */
|
|
clear_tree_and_hex_views();
|
|
|
|
/* No packet is selected, so "File/Print Packet" has nothing to print. */
|
|
set_menu_sensitivity("/File/Print Packet", FALSE);
|
|
set_menu_sensitivity("/Display/Collapse All", FALSE);
|
|
set_menu_sensitivity("/Display/Expand All", FALSE);
|
|
}
|
|
|
|
static void
|
|
freeze_clist(capture_file *cf)
|
|
{
|
|
int i;
|
|
|
|
/* Make the column sizes static, so they don't adjust while
|
|
we're reading the capture file (freezing the clist doesn't
|
|
seem to suffice). */
|
|
for (i = 0; i < cf->cinfo.num_cols; i++)
|
|
gtk_clist_set_column_auto_resize(GTK_CLIST(packet_list), i, FALSE);
|
|
gtk_clist_freeze(GTK_CLIST(packet_list));
|
|
}
|
|
|
|
static void
|
|
thaw_clist(capture_file *cf)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < cf->cinfo.num_cols; i++) {
|
|
if (get_column_resize_type(cf->cinfo.col_fmt[i]) == RESIZE_MANUAL) {
|
|
/* Set this column's width to the appropriate value. */
|
|
gtk_clist_set_column_width(GTK_CLIST(packet_list), i,
|
|
cf->cinfo.col_width[i]);
|
|
} else {
|
|
/* Make this column's size dynamic, so that it adjusts to the
|
|
appropriate size. */
|
|
gtk_clist_set_column_auto_resize(GTK_CLIST(packet_list), i, TRUE);
|
|
}
|
|
}
|
|
gtk_clist_thaw(GTK_CLIST(packet_list));
|
|
|
|
/* Hopefully, the columns have now gotten their appropriate sizes;
|
|
make them resizeable - a column that auto-resizes cannot be
|
|
resized by the user, and *vice versa*. */
|
|
for (i = 0; i < cf->cinfo.num_cols; i++)
|
|
gtk_clist_set_column_resizeable(GTK_CLIST(packet_list), i, TRUE);
|
|
}
|
|
|
|
/* Tries to mv a file. If unsuccessful, tries to cp the file.
|
|
* Returns 0 on failure to do either, 1 on success of either
|
|
*/
|
|
int
|
|
file_mv(char *from, char *to)
|
|
{
|
|
|
|
#define COPY_BUFFER_SIZE 8192
|
|
|
|
int retval;
|
|
|
|
#ifndef WIN32
|
|
/* try a hard link */
|
|
retval = link(from, to);
|
|
|
|
/* or try a copy */
|
|
if (retval < 0) {
|
|
#endif
|
|
retval = file_cp(from, to);
|
|
if (!retval) {
|
|
return 0;
|
|
}
|
|
#ifndef WIN32
|
|
}
|
|
#endif
|
|
|
|
unlink(from);
|
|
return 1;
|
|
}
|
|
|
|
/* Copies a file.
|
|
* Returns 0 on failure to do either, 1 on success of either
|
|
*/
|
|
int
|
|
file_cp(char *from, char *to)
|
|
{
|
|
|
|
#define COPY_BUFFER_SIZE 8192
|
|
|
|
int from_fd, to_fd, nread, nwritten;
|
|
char *buffer;
|
|
|
|
buffer = g_malloc(COPY_BUFFER_SIZE);
|
|
|
|
from_fd = open(from, O_RDONLY);
|
|
if (from_fd < 0) {
|
|
simple_dialog(ESD_TYPE_WARN, NULL,
|
|
file_open_error_message(errno, TRUE), from);
|
|
return 0;
|
|
}
|
|
|
|
to_fd = creat(to, 0644);
|
|
if (to_fd < 0) {
|
|
simple_dialog(ESD_TYPE_WARN, NULL,
|
|
file_open_error_message(errno, TRUE), to);
|
|
close(from_fd);
|
|
return 0;
|
|
}
|
|
|
|
while( (nread = read(from_fd, buffer, COPY_BUFFER_SIZE)) > 0) {
|
|
nwritten = write(to_fd, buffer, nread);
|
|
if (nwritten < nread) {
|
|
if (nwritten < 0) {
|
|
simple_dialog(ESD_TYPE_WARN, NULL,
|
|
file_write_error_message(errno), to);
|
|
} else {
|
|
simple_dialog(ESD_TYPE_WARN, NULL,
|
|
"The file \"%s\" could not be saved: tried writing %d, wrote %d.\n",
|
|
to, nread, nwritten);
|
|
}
|
|
close(from_fd);
|
|
close(to_fd);
|
|
return 0;
|
|
}
|
|
}
|
|
if (nread < 0) {
|
|
simple_dialog(ESD_TYPE_WARN, NULL,
|
|
file_read_error_message(errno), from);
|
|
close(from_fd);
|
|
close(to_fd);
|
|
return 0;
|
|
}
|
|
close(from_fd);
|
|
close(to_fd);
|
|
|
|
return 1;
|
|
}
|
|
|
|
char *
|
|
file_open_error_message(int err, int for_writing)
|
|
{
|
|
char *errmsg;
|
|
static char errmsg_errno[1024+1];
|
|
|
|
switch (err) {
|
|
|
|
case WTAP_ERR_NOT_REGULAR_FILE:
|
|
errmsg = "The file \"%s\" is invalid.";
|
|
break;
|
|
|
|
case WTAP_ERR_FILE_UNKNOWN_FORMAT:
|
|
case WTAP_ERR_UNSUPPORTED:
|
|
errmsg = "The file \"%s\" is not a capture file in a format Ethereal understands.";
|
|
break;
|
|
|
|
case WTAP_ERR_BAD_RECORD:
|
|
errmsg = "The file \"%s\" appears to be damaged or corrupt.";
|
|
break;
|
|
|
|
case WTAP_ERR_CANT_OPEN:
|
|
if (for_writing)
|
|
errmsg = "The file \"%s\" could not be created for some unknown reason.";
|
|
else
|
|
errmsg = "The file \"%s\" could not be opened for some unknown reason.";
|
|
break;
|
|
|
|
case WTAP_ERR_SHORT_READ:
|
|
errmsg = "The file \"%s\" appears to have been cut short"
|
|
" in the middle of a packet.";
|
|
break;
|
|
|
|
case ENOENT:
|
|
if (for_writing)
|
|
errmsg = "The path to the file \"%s\" does not exist.";
|
|
else
|
|
errmsg = "The file \"%s\" does not exist.";
|
|
break;
|
|
|
|
case EACCES:
|
|
if (for_writing)
|
|
errmsg = "You do not have permission to create or write to the file \"%s\".";
|
|
else
|
|
errmsg = "You do not have permission to read the file \"%s\".";
|
|
break;
|
|
|
|
default:
|
|
sprintf(errmsg_errno, "The file \"%%s\" could not be opened: %s.",
|
|
wtap_strerror(err));
|
|
errmsg = errmsg_errno;
|
|
break;
|
|
}
|
|
return errmsg;
|
|
}
|
|
|
|
char *
|
|
file_read_error_message(int err)
|
|
{
|
|
static char errmsg_errno[1024+1];
|
|
|
|
sprintf(errmsg_errno, "An error occurred while reading from the file \"%%s\": %s.",
|
|
wtap_strerror(err));
|
|
return errmsg_errno;
|
|
}
|
|
|
|
char *
|
|
file_write_error_message(int err)
|
|
{
|
|
char *errmsg;
|
|
static char errmsg_errno[1024+1];
|
|
|
|
switch (err) {
|
|
|
|
case ENOSPC:
|
|
errmsg = "The file \"%s\" could not be saved because there is no space left on the file system.";
|
|
break;
|
|
|
|
#ifdef EDQUOT
|
|
case EDQUOT:
|
|
errmsg = "The file \"%s\" could not be saved because you are too close to, or over, your disk quota.";
|
|
break;
|
|
#endif
|
|
|
|
default:
|
|
sprintf(errmsg_errno, "An error occurred while writing to the file \"%%s\": %s.",
|
|
wtap_strerror(err));
|
|
errmsg = errmsg_errno;
|
|
break;
|
|
}
|
|
return errmsg;
|
|
}
|