1290 lines
36 KiB
C
1290 lines
36 KiB
C
/* file.c
|
|
* File I/O routines
|
|
*
|
|
* $Id: file.c,v 1.94 1999/09/22 01:26:23 ashokn Exp $
|
|
*
|
|
* Ethereal - Network traffic analyzer
|
|
* By Gerald Combs <gerald@zing.org>
|
|
* Copyright 1998 Gerald Combs
|
|
*
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation; either version 2
|
|
* of the License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
*/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
# include "config.h"
|
|
#endif
|
|
|
|
#include <gtk/gtk.h>
|
|
|
|
#include <stdio.h>
|
|
|
|
#ifdef HAVE_UNISTD_H
|
|
#include <unistd.h>
|
|
#endif
|
|
|
|
#include <time.h>
|
|
|
|
#ifdef HAVE_IO_H
|
|
#include <io.h>
|
|
#endif
|
|
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <sys/stat.h>
|
|
#include <errno.h>
|
|
#include <fcntl.h>
|
|
|
|
#ifdef NEED_SNPRINTF_H
|
|
# ifdef HAVE_STDARG_H
|
|
# include <stdarg.h>
|
|
# else
|
|
# include <varargs.h>
|
|
# endif
|
|
# include "snprintf.h"
|
|
#endif
|
|
|
|
#ifdef NEED_STRERROR_H
|
|
#include "strerror.h"
|
|
#endif
|
|
|
|
#ifdef HAVE_SYS_TYPES_H
|
|
# include <sys/types.h>
|
|
#endif
|
|
|
|
#ifdef HAVE_NETINET_IN_H
|
|
# include <netinet/in.h>
|
|
#endif
|
|
|
|
#include "gtk/main.h"
|
|
#include "column.h"
|
|
#include "gtk/menu.h"
|
|
#include "packet.h"
|
|
#include "print.h"
|
|
#include "file.h"
|
|
#include "util.h"
|
|
#include "gtk/proto_draw.h"
|
|
#include "dfilter.h"
|
|
#include "timestamp.h"
|
|
|
|
#include "packet-ncp.h"
|
|
|
|
extern GtkWidget *packet_list, *prog_bar, *info_bar, *byte_view, *tree_view;
|
|
extern guint file_ctx;
|
|
extern int sync_mode;
|
|
extern int sync_pipe[];
|
|
|
|
guint cap_input_id;
|
|
gboolean auto_scroll_live = FALSE;
|
|
|
|
static guint32 firstsec, firstusec;
|
|
static guint32 prevsec, prevusec;
|
|
|
|
static void wtap_dispatch_cb(u_char *, const struct wtap_pkthdr *, int,
|
|
const u_char *);
|
|
|
|
static void freeze_clist(capture_file *cf);
|
|
static void thaw_clist(capture_file *cf);
|
|
|
|
/* Update the progress bar this many times when reading a file. */
|
|
#define N_PROGBAR_UPDATES 100
|
|
|
|
/* Bounce bar constants */
|
|
#define BOUNCEBAR_BLOCK 250
|
|
#define BOUNCEBAR_STEP 0.04
|
|
#define BOUNCEBAR_MAX 1.0
|
|
#define BOUNCEBAR_MIN 0.0
|
|
|
|
int
|
|
open_cap_file(char *fname, capture_file *cf) {
|
|
wtap *wth;
|
|
int err;
|
|
FILE_T fh;
|
|
|
|
wth = wtap_open_offline(fname, &err);
|
|
if (wth == NULL)
|
|
goto fail;
|
|
|
|
/* Find the size of the file. */
|
|
fh = wtap_file(wth);
|
|
|
|
/* The open succeeded. Close whatever capture file we had open,
|
|
and fill in the information for this file. */
|
|
close_cap_file(cf, info_bar, file_ctx);
|
|
|
|
/* Initialize protocol-specific variables */
|
|
ncp_init_protocol();
|
|
|
|
cf->wth = wth;
|
|
cf->fh = fh;
|
|
|
|
/* set the file name because we need it to set the follow stream filter */
|
|
cf->filename = g_strdup(fname);
|
|
|
|
cf->cd_t = wtap_file_type(cf->wth);
|
|
cf->cd_t_desc = wtap_file_type_string(cf->wth);
|
|
cf->count = 0;
|
|
cf->drops = 0;
|
|
cf->esec = 0;
|
|
cf->eusec = 0;
|
|
cf->snap = wtap_snapshot_length(cf->wth);
|
|
cf->update_progbar = FALSE;
|
|
cf->progbar_quantum = 0;
|
|
cf->progbar_nextstep = 0;
|
|
firstsec = 0, firstusec = 0;
|
|
prevsec = 0, prevusec = 0;
|
|
|
|
return (0);
|
|
|
|
fail:
|
|
simple_dialog(ESD_TYPE_WARN, NULL,
|
|
file_open_error_message(err, FALSE), fname);
|
|
return (err);
|
|
}
|
|
|
|
/* Reset everything to a pristine state */
|
|
void
|
|
close_cap_file(capture_file *cf, void *w, guint context) {
|
|
frame_data *fd, *fd_next;
|
|
|
|
if (cf->fh) {
|
|
file_close(cf->fh);
|
|
cf->fh = NULL;
|
|
}
|
|
if (cf->wth) {
|
|
wtap_close(cf->wth);
|
|
cf->wth = NULL;
|
|
}
|
|
for (fd = cf->plist; fd != NULL; fd = fd_next) {
|
|
fd_next = fd->next;
|
|
g_free(fd);
|
|
}
|
|
if (cf->rfcode != NULL) {
|
|
dfilter_destroy(cf->rfcode);
|
|
cf->rfcode = NULL;
|
|
}
|
|
cf->plist = NULL;
|
|
cf->plist_end = NULL;
|
|
unselect_packet(cf); /* nothing to select */
|
|
|
|
gtk_clist_freeze(GTK_CLIST(packet_list));
|
|
gtk_clist_clear(GTK_CLIST(packet_list));
|
|
gtk_clist_thaw(GTK_CLIST(packet_list));
|
|
gtk_statusbar_pop(GTK_STATUSBAR(w), context);
|
|
|
|
/* Disable all menu items that make sense only if you have a capture. */
|
|
set_menu_sensitivity("/File/Save", FALSE);
|
|
set_menu_sensitivity("/File/Save As...", FALSE);
|
|
set_menu_sensitivity("/File/Close", FALSE);
|
|
set_menu_sensitivity("/File/Reload", FALSE);
|
|
set_menu_sensitivity("/File/Print...", FALSE);
|
|
set_menu_sensitivity("/Display/Options...", FALSE);
|
|
set_menu_sensitivity("/Tools/Summary", FALSE);
|
|
}
|
|
|
|
int
|
|
read_cap_file(capture_file *cf) {
|
|
gchar *name_ptr, *load_msg, *load_fmt = " Loading: %s...";
|
|
gchar *done_fmt = " File: %s Drops: %d";
|
|
int success;
|
|
int err;
|
|
size_t msg_len;
|
|
char *errmsg;
|
|
char errmsg_errno[1024+1];
|
|
gchar err_str[2048+1];
|
|
|
|
if ((name_ptr = (gchar *) strrchr(cf->filename, '/')) == NULL)
|
|
name_ptr = cf->filename;
|
|
else
|
|
name_ptr++;
|
|
|
|
load_msg = g_malloc(strlen(name_ptr) + strlen(load_fmt) + 2);
|
|
sprintf(load_msg, load_fmt, name_ptr);
|
|
gtk_statusbar_push(GTK_STATUSBAR(info_bar), file_ctx, load_msg);
|
|
|
|
cf->update_progbar = TRUE;
|
|
/* Update the progress bar when it gets to this value. */
|
|
cf->progbar_nextstep = 0;
|
|
/* When we reach the value that triggers a progress bar update,
|
|
bump that value by this amount. */
|
|
cf->progbar_quantum = 0;
|
|
cf->bouncebar_pos = 0.01;
|
|
cf->bouncebar_step = BOUNCEBAR_STEP;
|
|
cf->bouncebar_reversed = 0;
|
|
gtk_progress_set_activity_mode(GTK_PROGRESS(prog_bar), TRUE);
|
|
|
|
freeze_clist(cf);
|
|
proto_tree_is_visible = FALSE;
|
|
success = wtap_loop(cf->wth, 0, wtap_dispatch_cb, (u_char *) cf, &err);
|
|
wtap_close(cf->wth);
|
|
cf->wth = NULL;
|
|
cf->fh = file_open(cf->filename, "r");
|
|
cf->unfiltered_count = cf->count;
|
|
thaw_clist(cf);
|
|
|
|
gtk_progress_set_activity_mode(GTK_PROGRESS(prog_bar), FALSE);
|
|
gtk_progress_set_value(GTK_PROGRESS(prog_bar), 0);
|
|
|
|
gtk_statusbar_pop(GTK_STATUSBAR(info_bar), file_ctx);
|
|
|
|
msg_len = strlen(name_ptr) + strlen(done_fmt) + 64;
|
|
load_msg = g_realloc(load_msg, msg_len);
|
|
|
|
if (cf->user_saved || !cf->save_file)
|
|
snprintf(load_msg, msg_len, done_fmt, name_ptr, cf->drops);
|
|
else
|
|
snprintf(load_msg, msg_len, done_fmt, "<none>", cf->drops);
|
|
|
|
gtk_statusbar_push(GTK_STATUSBAR(info_bar), file_ctx, load_msg);
|
|
g_free(load_msg);
|
|
|
|
/* Enable menu items that make sense if you have a capture. */
|
|
set_menu_sensitivity("/File/Close", TRUE);
|
|
set_menu_sensitivity("/File/Reload", TRUE);
|
|
set_menu_sensitivity("/File/Print...", TRUE);
|
|
set_menu_sensitivity("/Display/Options...", TRUE);
|
|
set_menu_sensitivity("/Tools/Summary", TRUE);
|
|
|
|
if (!success) {
|
|
/* Put up a message box noting that the read failed somewhere along
|
|
the line. Don't throw out the stuff we managed to read, though,
|
|
if any. */
|
|
switch (err) {
|
|
|
|
case WTAP_ERR_CANT_READ:
|
|
errmsg = "An attempt to read from the file failed for"
|
|
" some unknown reason.";
|
|
break;
|
|
|
|
case WTAP_ERR_SHORT_READ:
|
|
errmsg = "The capture file appears to have been cut short"
|
|
" in the middle of a packet.";
|
|
break;
|
|
|
|
case WTAP_ERR_BAD_RECORD:
|
|
errmsg = "The capture file appears to be damaged or corrupt.";
|
|
break;
|
|
|
|
default:
|
|
sprintf(errmsg_errno, "An error occurred while reading the"
|
|
" capture file: %s.", wtap_strerror(err));
|
|
errmsg = errmsg_errno;
|
|
break;
|
|
}
|
|
snprintf(err_str, sizeof err_str, errmsg);
|
|
simple_dialog(ESD_TYPE_WARN, NULL, err_str);
|
|
return (err);
|
|
} else
|
|
return (0);
|
|
}
|
|
|
|
#ifdef HAVE_LIBPCAP
|
|
void
|
|
cap_file_input_cb (gpointer data, gint source, GdkInputCondition condition) {
|
|
|
|
capture_file *cf = (capture_file *)data;
|
|
char buffer[256], *p = buffer, *q = buffer;
|
|
int nread;
|
|
int to_read = 0;
|
|
gboolean exit_loop = FALSE;
|
|
int err;
|
|
|
|
/* avoid reentrancy problems and stack overflow */
|
|
gtk_input_remove(cap_input_id);
|
|
|
|
if ((nread = read(sync_pipe[0], buffer, 256)) <= 0) {
|
|
|
|
/* The child has closed the sync pipe, meaning it's not going to be
|
|
capturing any more packets. 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("/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_add_abs_time(frame_data *fd, gint el)
|
|
{
|
|
struct tm *tmp;
|
|
time_t then;
|
|
|
|
then = fd->abs_secs;
|
|
tmp = localtime(&then);
|
|
col_add_fstr(fd, el, "%02d:%02d:%02d.%04ld",
|
|
tmp->tm_hour,
|
|
tmp->tm_min,
|
|
tmp->tm_sec,
|
|
(long)fd->abs_usecs/100);
|
|
}
|
|
|
|
static void
|
|
col_add_rel_time(frame_data *fd, gint el)
|
|
{
|
|
col_add_fstr(fd, el, "%d.%06d", fd->rel_secs, fd->rel_usecs);
|
|
}
|
|
|
|
static void
|
|
col_add_delta_time(frame_data *fd, gint el)
|
|
{
|
|
col_add_fstr(fd, el, "%d.%06d", fd->del_secs, fd->del_usecs);
|
|
}
|
|
|
|
/* Add "command-line-specified" time. */
|
|
static void
|
|
col_add_cls_time(frame_data *fd)
|
|
{
|
|
switch (timestamp_type) {
|
|
case ABSOLUTE:
|
|
col_add_abs_time(fd, COL_CLS_TIME);
|
|
break;
|
|
|
|
case RELATIVE:
|
|
col_add_rel_time(fd, COL_CLS_TIME);
|
|
break;
|
|
|
|
case DELTA:
|
|
col_add_delta_time(fd, COL_CLS_TIME);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
fill_in_columns(frame_data *fd)
|
|
{
|
|
if (check_col(fd, COL_NUMBER))
|
|
col_add_fstr(fd, COL_NUMBER, "%u", fd->num);
|
|
|
|
/* Set any time stamp columns. */
|
|
if (check_col(fd, COL_CLS_TIME))
|
|
col_add_cls_time(fd);
|
|
if (check_col(fd, COL_ABS_TIME))
|
|
col_add_abs_time(fd, COL_ABS_TIME);
|
|
if (check_col(fd, COL_REL_TIME))
|
|
col_add_rel_time(fd, COL_REL_TIME);
|
|
if (check_col(fd, COL_DELTA_TIME))
|
|
col_add_delta_time(fd, COL_DELTA_TIME);
|
|
|
|
if (check_col(fd, COL_PACKET_LENGTH))
|
|
col_add_fstr(fd, COL_PACKET_LENGTH, "%d", fd->pkt_len);
|
|
}
|
|
|
|
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 (DFILTER_CONTAINS_FILTER(cf->dfcode) ||
|
|
CFILTERS_CONTAINS_FILTER(cf)) {
|
|
protocol_tree = proto_tree_create_root();
|
|
dissect_packet(buf, fdata, protocol_tree);
|
|
if( DFILTER_CONTAINS_FILTER(cf->dfcode) )
|
|
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(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 this was the selected packet, remember the row it's in, so
|
|
we can re-select it. ("selected_packet" is 0-origin, as it's
|
|
a GList index; "num", however, is 1-origin.) */
|
|
if (cf->selected_packet == fdata->num - 1)
|
|
cf->selected_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;
|
|
|
|
/* 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 && !(cf->progbar_quantum%BOUNCEBAR_BLOCK)) {
|
|
cf->bouncebar_pos += cf->bouncebar_step;
|
|
if (cf->bouncebar_pos >= BOUNCEBAR_MAX) {
|
|
cf->bouncebar_pos = BOUNCEBAR_MAX - BOUNCEBAR_STEP;
|
|
cf->bouncebar_step = - BOUNCEBAR_STEP;
|
|
} else if (cf->bouncebar_pos <= BOUNCEBAR_MIN) {
|
|
cf->bouncebar_pos = BOUNCEBAR_MIN + BOUNCEBAR_STEP;
|
|
cf->bouncebar_step = BOUNCEBAR_STEP;
|
|
if (cf->bouncebar_reversed) {
|
|
cf->bouncebar_reversed = 0;
|
|
gtk_progress_set_value(GTK_PROGRESS(prog_bar), 0);
|
|
|
|
} else {
|
|
cf->bouncebar_reversed = 1;
|
|
gtk_progress_set_value(GTK_PROGRESS(prog_bar), 0);
|
|
}
|
|
}
|
|
gtk_progress_set_value(GTK_PROGRESS(prog_bar), cf->bouncebar_pos);
|
|
while (gtk_events_pending())
|
|
gtk_main_iteration();
|
|
}
|
|
cf->progbar_quantum++;
|
|
/* Allocate the next list entry, and add it to the list. */
|
|
fdata = (frame_data *) g_malloc(sizeof(frame_data));
|
|
|
|
fdata->next = 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) {
|
|
if (DFILTER_CONTAINS_FILTER(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;
|
|
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)
|
|
{
|
|
frame_data *fd;
|
|
guint32 progbar_quantum;
|
|
guint32 progbar_nextstep;
|
|
|
|
if (cf->dfilter == NULL) {
|
|
dfilter_clear_filter(cf->dfcode);
|
|
}
|
|
else {
|
|
/*
|
|
* Compile the filter.
|
|
*/
|
|
if (dfilter_compile(cf->dfcode, cf->dfilter) != 0) {
|
|
simple_dialog(ESD_TYPE_WARN, NULL, dfilter_error_msg);
|
|
return;
|
|
}
|
|
}
|
|
|
|
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));
|
|
|
|
/* If a packet was selected, we don't know yet what row, if any, it'll
|
|
get. */
|
|
cf->selected_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); */
|
|
gtk_progress_set_value(GTK_PROGRESS(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);*/
|
|
gtk_progress_set_value(GTK_PROGRESS(prog_bar), 0);
|
|
|
|
if (cf->selected_row != -1) {
|
|
/* We had a selected packet and it passed the filter. */
|
|
gtk_clist_select_row(GTK_CLIST(packet_list), cf->selected_row, -1);
|
|
} else {
|
|
/* If we had one, it didn't pass the filter. */
|
|
unselect_packet(cf);
|
|
}
|
|
|
|
/* 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->expand_all, (GNode *)protocol_tree,
|
|
cf->pd, fd, cf->print_fh);
|
|
|
|
proto_tree_free(protocol_tree);
|
|
|
|
/* 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++) {
|
|
cf->cinfo.col_data[i][0] = '\0';
|
|
}
|
|
col_add_cls_time(fd);
|
|
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. */
|
|
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);
|
|
}
|
|
|
|
|
|
/* 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;
|
|
}
|
|
cf->fd = fd;
|
|
|
|
/* Remember the ordinal number of that frame. */
|
|
cf->selected_packet = i;
|
|
|
|
/* 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->fd, 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->fd->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->selected_packet = -1; /* nothing there to be selected */
|
|
cf->selected_row = -1;
|
|
|
|
/* Destroy the protocol tree for that packet. */
|
|
if (cf->protocol_tree != NULL) {
|
|
proto_tree_free(cf->protocol_tree);
|
|
cf->protocol_tree = 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;
|
|
}
|