/* file.c
* File I/O routines
*
- * $Id: file.c,v 1.246 2001/10/26 18:28:15 gram Exp $
+ * $Id: file.c,v 1.286 2002/08/28 10:07:26 guy Exp $
*
* Ethereal - Network traffic analyzer
* By Gerald Combs <gerald@ethereal.com>
#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 <epan.h>
-#include <filesystem.h>
+#include <epan/epan.h>
+#include <epan/filesystem.h>
#include "gtk/main.h"
#include "color.h"
#include "gtk/color_utils.h"
#include "column.h"
-#include "packet.h"
+#include <epan/packet.h>
#include "print.h"
#include "file.h"
#include "menu.h"
#include "prefs.h"
#include "gtk/proto_draw.h"
#include "gtk/packet_win.h"
-#include "dfilter/dfilter.h"
-#include "conversation.h"
-#include "reassemble.h"
+#include <epan/dfilter/dfilter.h>
+#include <epan/conversation.h>
#include "globals.h"
#include "gtk/colors.h"
+#include <epan/epan_dissect.h>
extern GtkWidget *packet_list, *byte_nb_ptr, *tree_view;
+#ifdef HAVE_LIBPCAP
+gboolean auto_scroll_live;
+#endif
+
static guint32 firstsec, firstusec;
static guint32 prevsec, prevusec;
static void read_packet(capture_file *cf, long offset);
-static void rescan_packets(capture_file *cf, const char *action,
+static void rescan_packets(capture_file *cf, const char *action, const char *action_item,
gboolean refilter, gboolean redissect);
static void set_selected_row(int row);
and fill in the information for this file. */
close_cap_file(cf);
- /* Initialize the table of conversations. */
- epan_conversation_init();
-
- /* Initialize protocol-specific variables */
- init_all_protocols();
-
- /* Initialize the common data structures for fragment reassembly.
- Must be done *after* "init_all_protocols()", as "init_all_protocols()"
- may free up space for fragments, which it finds by using the
- data structures that "reassemble_init()" frees. */
- reassemble_init();
+ /* Initialize all data structures used for dissection. */
+ init_dissection();
/* We're about to start reading the file. */
cf->state = FILE_READ_IN_PROGRESS;
cf->cd_t = wtap_file_type(cf->wth);
cf->count = 0;
+ cf->marked_count = 0;
cf->drops_known = FALSE;
cf->drops = 0;
cf->esec = 0;
cf->eusec = 0;
cf->snap = wtap_snapshot_length(cf->wth);
+ if (cf->snap == 0) {
+ /* Snapshot length not known. */
+ cf->has_snap = FALSE;
+ cf->snap = WTAP_MAX_PACKET_SIZE;
+ } else
+ cf->has_snap = TRUE;
cf->progbar_quantum = 0;
cf->progbar_nextstep = 0;
firstsec = 0, firstusec = 0;
fail:
simple_dialog(ESD_TYPE_CRIT, NULL,
- file_open_error_message(err, FALSE), fname);
+ file_open_error_message(err, FALSE, 0), fname);
return (err);
}
read_status_t
read_cap_file(capture_file *cf, int *err)
{
- gchar *name_ptr, *load_msg, *load_fmt = " Loading: %s...";
- size_t msg_len;
- char *errmsg;
- char errmsg_errno[1024+1];
- gchar err_str[2048+1];
- long data_offset;
- progdlg_t *progbar;
- gboolean stop_flag;
- int file_pos;
- float prog_val;
+ gchar *name_ptr, *load_msg, *load_fmt = "%s";
+ size_t msg_len;
+ char *errmsg;
+ char errmsg_errno[1024+1];
+ gchar err_str[2048+1];
+ long data_offset;
+ progdlg_t *progbar = NULL;
+ gboolean stop_flag;
+ /*
+ * XXX - should be "off_t", but Wiretap would need more work to handle
+ * the full size of "off_t" on platforms where it's more than a "long"
+ * as well.
+ */
+ long file_pos;
+ float prog_val;
+ int fd;
+ struct stat cf_stat;
+ GTimeVal start_time;
+ gchar status_str[100];
name_ptr = get_basename(cf->filename);
freeze_clist(cf);
stop_flag = FALSE;
- progbar = create_progress_dlg(load_msg, "Stop", &stop_flag);
- g_free(load_msg);
+ g_get_current_time(&start_time);
while ((wtap_read(cf->wth, err, &data_offset))) {
/* Update the progress bar, but do it only N_PROGBAR_UPDATES times;
if (data_offset >= cf->progbar_nextstep) {
file_pos = lseek(cf->filed, 0, SEEK_CUR);
prog_val = (gfloat) file_pos / (gfloat) cf->f_len;
- update_progress_dlg(progbar, prog_val);
+ if (prog_val > 1.0) {
+ /* The file probably grew while we were reading it.
+ Update "cf->f_len", and try again. */
+ fd = wtap_fd(cf->wth);
+ if (fstat(fd, &cf_stat) >= 0) {
+ cf->f_len = cf_stat.st_size;
+ prog_val = (gfloat) file_pos / (gfloat) cf->f_len;
+ }
+ /* If it's still > 1, either the "fstat()" failed (in which
+ case there's not much we can do about it), or the file
+ *shrank* (in which case there's not much we can do about
+ it); just clip the progress value at 1.0. */
+ if (prog_val > 1.0)
+ prog_val = 1.0;
+ }
+ if (progbar == NULL) {
+ /* Create the progress bar if necessary */
+ progbar = delayed_create_progress_dlg("Loading", load_msg, "Stop",
+ &stop_flag, &start_time, prog_val);
+ if (progbar != NULL)
+ g_free(load_msg);
+ }
+ if (progbar != NULL) {
+ g_snprintf(status_str, sizeof(status_str),
+ "%luKB of %luKB", file_pos / 1024, cf->f_len / 1024);
+ update_progress_dlg(progbar, prog_val, status_str);
+ }
cf->progbar_nextstep += cf->progbar_quantum;
}
read_packet(cf, data_offset);
}
- /* We're done reading the file; destroy the progress bar. */
- destroy_progress_dlg(progbar);
+ /* We're done reading the file; destroy the progress bar if it was created. */
+ if (progbar == NULL)
+ g_free(load_msg);
+ else
+ destroy_progress_dlg(progbar);
/* We're done reading sequentially through the file. */
cf->state = FILE_READ_DONE;
/* Close the sequential I/O side, to free up memory it requires. */
wtap_sequential_close(cf->wth);
+ /* Allow the protocol dissectors to free up memory that they
+ * don't need after the sequential run-through of the packets. */
+ postseq_cleanup_all_protocols();
+
/* Set the file encapsulation type now; we don't know what it is until
we've looked at all the packets, as we don't know until then whether
there's more than one type (and thus whether it's
/* XXX - this cheats and looks inside the packet list to find the final
row number. */
- if (prefs.capture_auto_scroll && cf->plist_end != NULL)
+ if (auto_scroll_live && cf->plist_end != NULL)
gtk_clist_moveto(GTK_CLIST(packet_list),
GTK_CLIST(packet_list)->rows - 1, -1, 1.0, 1.0);
}
thaw_clist(cf);
- if (prefs.capture_auto_scroll && cf->plist_end != NULL)
+ if (auto_scroll_live && cf->plist_end != NULL)
/* XXX - this cheats and looks inside the packet list to find the final
row number. */
gtk_clist_moveto(GTK_CLIST(packet_list),
sequential I/O side, to free up memory it requires. */
wtap_sequential_close(cf->wth);
+ /* Allow the protocol dissectors to free up memory that they
+ * don't need after the sequential run-through of the packets. */
+ postseq_cleanup_all_protocols();
+
/* Set the file encapsulation type now; we don't know what it is until
we've looked at all the packets, as we don't know until then whether
there's more than one type (and thus whether it's
static int
add_packet_to_packet_list(frame_data *fdata, capture_file *cf,
- union wtap_pseudo_header *pseudo_header, const u_char *buf,
+ union wtap_pseudo_header *pseudo_header, const guchar *buf,
gboolean refilter)
{
apply_color_filter_args args;
- gint i, row;
- proto_tree *protocol_tree = NULL;
+ gint row;
+ gboolean create_proto_tree = FALSE;
epan_dissect_t *edt;
GdkColor fg, bg;
firstusec = fdata->abs_usecs;
}
- fdata->cinfo = &cf->cinfo;
- for (i = 0; i < fdata->cinfo->num_cols; i++) {
- fdata->cinfo->col_buf[i][0] = '\0';
- fdata->cinfo->col_data[i] = fdata->cinfo->col_buf[i];
- }
-
/* If either
we have a display filter and are re-applying it;
a protocol tree against which a filter expression can be
evaluated. */
if ((cf->dfcode != NULL && refilter) || filter_list != NULL)
- protocol_tree = proto_tree_create_root();
+ create_proto_tree = TRUE;
/* Dissect the frame. */
- edt = epan_dissect_new(pseudo_header, buf, fdata, protocol_tree);
+ edt = epan_dissect_new(create_proto_tree, FALSE);
+
+ if (cf->dfcode != NULL && refilter) {
+ epan_dissect_prime_dfilter(edt, cf->dfcode);
+ }
+ if (filter_list) {
+ filter_list_prime_edt(edt);
+ }
+ epan_dissect_run(edt, pseudo_header, buf, fdata, &cf->cinfo);
+
/* If we have a display filter, apply it if we're refiltering, otherwise
leave the "passed_dfilter" flag alone.
}
}
- /* There are no more filters to apply, so we don't need any protocol
- tree; free it if we created it. */
- if (protocol_tree != NULL)
- proto_tree_free(protocol_tree);
-
- epan_dissect_free(edt);
if (fdata->flags.passed_dfilter) {
/* This frame passed the display filter, so add it to the clist. */
prevsec = fdata->abs_secs;
prevusec = fdata->abs_usecs;
- fill_in_columns(fdata);
+ epan_dissect_fill_in_columns(edt);
/* If we haven't yet seen the first frame, this is it.
/* This is the last frame we've seen so far. */
cf->last_displayed = fdata;
- row = gtk_clist_append(GTK_CLIST(packet_list), fdata->cinfo->col_data);
+ row = gtk_clist_append(GTK_CLIST(packet_list), cf->cinfo.col_data);
gtk_clist_set_row_data(GTK_CLIST(packet_list), row, fdata);
if (fdata->flags.marked) {
to the clist, and thus has no row. */
row = -1;
}
- fdata->cinfo = NULL;
+ epan_dissect_free(edt);
return row;
}
{
const struct wtap_pkthdr *phdr = wtap_phdr(cf->wth);
union wtap_pseudo_header *pseudo_header = wtap_pseudoheader(cf->wth);
- const u_char *buf = wtap_buf_ptr(cf->wth);
+ const guchar *buf = wtap_buf_ptr(cf->wth);
frame_data *fdata;
int passed;
- proto_tree *protocol_tree;
frame_data *plist_end;
epan_dissect_t *edt;
fdata->next = NULL;
fdata->prev = NULL;
fdata->pfd = NULL;
- fdata->data_src = NULL;
fdata->pkt_len = phdr->len;
fdata->cap_len = phdr->caplen;
fdata->file_off = offset;
fdata->flags.encoding = CHAR_ASCII;
fdata->flags.visited = 0;
fdata->flags.marked = 0;
- fdata->cinfo = NULL;
passed = TRUE;
if (cf->rfcode) {
- protocol_tree = proto_tree_create_root();
- edt = epan_dissect_new(pseudo_header, buf, fdata, protocol_tree);
+ edt = epan_dissect_new(TRUE, FALSE);
+ epan_dissect_prime_dfilter(edt, cf->rfcode);
+ epan_dissect_run(edt, pseudo_header, buf, fdata, NULL);
passed = dfilter_apply_edt(cf->rfcode, edt);
- proto_tree_free(protocol_tree);
epan_dissect_free(edt);
}
if (passed) {
dfcode = NULL;
} else {
/*
- * We have a filter; try to compile it.
+ * We have a filter; make a copy of it (as we'll be saving it),
+ * and try to compile it.
*/
+ dftext = g_strdup(dftext);
if (!dfilter_compile(dftext, &dfcode)) {
/* The attempt failed; report an error. */
simple_dialog(ESD_TYPE_CRIT, NULL, dfilter_error_msg);
/* Now rescan the packet list, applying the new filter, but not
throwing away information constructed on a previous pass. */
- rescan_packets(cf, "Filtering", TRUE, FALSE);
+ if (dftext == NULL) {
+ rescan_packets(cf, "Resetting", "Filter", TRUE, FALSE);
+ } else {
+ rescan_packets(cf, "Filtering", dftext, TRUE, FALSE);
+ }
return 1;
}
void
colorize_packets(capture_file *cf)
{
- rescan_packets(cf, "Colorizing", FALSE, FALSE);
+ rescan_packets(cf, "Colorizing", "all frames", FALSE, FALSE);
}
void
redissect_packets(capture_file *cf)
{
- rescan_packets(cf, "Reprocessing", TRUE, TRUE);
+ rescan_packets(cf, "Reprocessing", "all frames", TRUE, TRUE);
}
/* Rescan the list of packets, reconstructing the CList.
"action" describes why we're doing this; it's used in the progress
dialog box.
+ "action_item" describes what we're doing; it's used in the progress
+ dialog box.
+
"refilter" is TRUE if we need to re-evaluate the filter expression.
"redissect" is TRUE if we need to make the dissectors reconstruct
some dissector has changed, meaning some dissector might construct
its state differently from the way it was constructed the last time). */
static void
-rescan_packets(capture_file *cf, const char *action, gboolean refilter,
- gboolean redissect)
+rescan_packets(capture_file *cf, const char *action, const char *action_item,
+ gboolean refilter, gboolean redissect)
{
frame_data *fdata;
- progdlg_t *progbar;
- gboolean stop_flag;
- guint32 progbar_quantum;
- guint32 progbar_nextstep;
- unsigned int count;
+ progdlg_t *progbar = NULL;
+ gboolean stop_flag;
+ int count;
+ int err;
frame_data *selected_frame;
- int selected_row;
- int row;
+ int selected_row;
+ int row;
+ float prog_val;
+ GTimeVal start_time;
+ gchar status_str[100];
/* Which frame, if any, is the currently selected frame?
XXX - should the selected frame or the focus frame be the "current"
which might cause the state information to be constructed differently
by that dissector. */
- /* Initialize the table of conversations. */
- epan_conversation_init();
-
- /* Initialize protocol-specific variables */
- init_all_protocols();
-
- /* Initialize the common data structures for fragment reassembly.
- Must be done *after* "init_all_protocols()", as "init_all_protocols()"
- may free up space for fragments, which it finds by using the
- data structures that "reassemble_init()" frees. */
- reassemble_init();
+ /* Initialize all data structures used for dissection. */
+ init_dissection();
}
/* Freeze the packet list while we redo it, so we don't get any
prevusec = 0;
/* Update the progress bar when it gets to this value. */
- progbar_nextstep = 0;
+ cf->progbar_nextstep = 0;
/* When we reach the value that triggers a progress bar update,
bump that value by this amount. */
- progbar_quantum = cf->count/N_PROGBAR_UPDATES;
+ cf->progbar_quantum = cf->count/N_PROGBAR_UPDATES;
/* Count of packets at which we've looked. */
count = 0;
stop_flag = FALSE;
- progbar = create_progress_dlg(action, "Stop", &stop_flag);
+ g_get_current_time(&start_time);
for (fdata = cf->plist; fdata != NULL; fdata = fdata->next) {
/* Update the progress bar, but do it only N_PROGBAR_UPDATES times;
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) {
+ if (count >= cf->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);
+ prog_val = (gfloat) count / cf->count;
- update_progress_dlg(progbar, (gfloat) count / cf->count);
+ if (progbar == NULL)
+ /* Create the progress bar if necessary */
+ progbar = delayed_create_progress_dlg(action, action_item, "Stop", &stop_flag,
+ &start_time, prog_val);
- progbar_nextstep += progbar_quantum;
+ if (progbar != NULL) {
+ g_snprintf(status_str, sizeof(status_str),
+ "%4u of %u frames", count, cf->count);
+ update_progress_dlg(progbar, prog_val, status_str);
+ }
+
+ cf->progbar_nextstep += cf->progbar_quantum;
}
if (stop_flag) {
/* Since all state for the frame was destroyed, mark the frame
* as not visited, free the GSList referring to the state
* data (the per-frame data itself was freed by
- * "init_all_protocols()"), and null out the GSList pointer. */
+ * "init_dissection()"), and null out the GSList pointer. */
fdata->flags.visited = 0;
if (fdata->pfd) {
g_slist_free(fdata->pfd);
+ fdata->pfd = NULL;
}
- fdata->pfd = NULL;
- if (fdata->data_src) { /* release data source list */
- g_slist_free(fdata->data_src);
- }
- fdata->data_src = NULL;
}
+ /* XXX - do something with "err" */
wtap_seek_read (cf->wth, fdata->file_off, &cf->pseudo_header,
- cf->pd, fdata->cap_len);
+ cf->pd, fdata->cap_len, &err);
row = add_packet_to_packet_list(fdata, cf, &cf->pseudo_header, cf->pd,
refilter);
fdata->flags.visited = 0;
if (fdata->pfd) {
g_slist_free(fdata->pfd);
+ fdata->pfd = NULL;
}
- fdata->pfd = NULL;
- if (fdata->data_src) {
- g_slist_free(fdata->data_src);
- }
- fdata->data_src = NULL;
}
}
- /* We're done filtering the packets; destroy the progress bar. */
- destroy_progress_dlg(progbar);
+ /* We're done filtering the packets; destroy the progress bar if it
+ was created. */
+ if (progbar != NULL)
+ destroy_progress_dlg(progbar);
/* Unfreeze the packet list. */
gtk_clist_thaw(GTK_CLIST(packet_list));
{
int i;
frame_data *fdata;
- progdlg_t *progbar;
+ progdlg_t *progbar = NULL;
gboolean stop_flag;
- guint32 progbar_quantum;
- guint32 progbar_nextstep;
- guint32 count;
- proto_tree *protocol_tree;
+ int count;
+ int err;
gint *col_widths = NULL;
gint data_width;
gboolean print_separator;
int column_len;
int line_len;
epan_dissect_t *edt = NULL;
+ float prog_val;
+ GTimeVal start_time;
+ gchar status_str[100];
cf->print_fh = open_print_dest(print_args->to_file, print_args->dest);
if (cf->print_fh == NULL)
/* Make sure there's room in the line buffer for the column; if not,
double its length. */
- line_len += column_len + 1; /* "+1" for space or \n */
+ line_len += column_len + 1; /* "+1" for space */
if (line_len > line_buf_len) {
line_buf_len *= 2;
line_buf = g_realloc(line_buf, line_buf_len + 1);
else
sprintf(cp, "%-*s", col_widths[i], cf->cinfo.col_title[i]);
cp += column_len;
- if (i == cf->cinfo.num_cols - 1)
- *cp++ = '\n';
- else
+ if (i != cf->cinfo.num_cols - 1)
*cp++ = ' ';
}
*cp = '\0';
- print_line(cf->print_fh, print_args->format, line_buf);
+ print_line(cf->print_fh, 0, print_args->format, line_buf);
}
print_separator = FALSE;
- /* The protocol tree will be "visible", i.e., printed, only if we're
- not printing a summary. */
- proto_tree_is_visible = !print_args->print_summary;
-
/* Update the progress bar when it gets to this value. */
- progbar_nextstep = 0;
+ cf->progbar_nextstep = 0;
/* When we reach the value that triggers a progress bar update,
bump that value by this amount. */
- progbar_quantum = cf->count/N_PROGBAR_UPDATES;
+ cf->progbar_quantum = cf->count/N_PROGBAR_UPDATES;
/* Count of packets at which we've looked. */
count = 0;
stop_flag = FALSE;
- progbar = create_progress_dlg("Printing", "Stop", &stop_flag);
+ g_get_current_time(&start_time);
/* Iterate through the list of packets, printing the packets that
were selected by the current display filter. */
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) {
+ if (count >= cf->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);
+ prog_val = (gfloat) count / cf->count;
- update_progress_dlg(progbar, (gfloat) count / cf->count);
+ if (progbar == NULL)
+ /* Create the progress bar if necessary */
+ progbar = delayed_create_progress_dlg("Printing", "selected frames", "Stop", &stop_flag,
+ &start_time, prog_val);
+
+ if (progbar != NULL) {
+ g_snprintf(status_str, sizeof(status_str),
+ "%4u of %u frames", count, cf->count);
+ update_progress_dlg(progbar, prog_val, status_str);
+ }
- progbar_nextstep += progbar_quantum;
+ cf->progbar_nextstep += cf->progbar_quantum;
}
if (stop_flag) {
/* Check to see if we are suppressing unmarked packets, if so,
* suppress them and then proceed to check for visibility.
*/
- if (((print_args->suppress_unmarked && fdata->flags.marked ) || !(print_args->suppress_unmarked)) && fdata->flags.passed_dfilter) {
+ if (((print_args->suppress_unmarked && fdata->flags.marked ) ||
+ !(print_args->suppress_unmarked)) && fdata->flags.passed_dfilter) {
+ /* XXX - do something with "err" */
wtap_seek_read (cf->wth, fdata->file_off, &cf->pseudo_header,
- cf->pd, fdata->cap_len);
+ cf->pd, fdata->cap_len, &err);
if (print_args->print_summary) {
/* Fill in the column information, but don't bother creating
the logical protocol tree. */
- fdata->cinfo = &cf->cinfo;
- for (i = 0; i < fdata->cinfo->num_cols; i++) {
- fdata->cinfo->col_buf[i][0] = '\0';
- fdata->cinfo->col_data[i] = fdata->cinfo->col_buf[i];
- }
- edt = epan_dissect_new(&cf->pseudo_header, cf->pd, fdata, NULL);
- fill_in_columns(fdata);
+ edt = epan_dissect_new(FALSE, FALSE);
+ epan_dissect_run(edt, &cf->pseudo_header, cf->pd, fdata, &cf->cinfo);
+ epan_dissect_fill_in_columns(edt);
cp = &line_buf[0];
line_len = 0;
for (i = 0; i < cf->cinfo.num_cols; i++) {
/* Make sure there's room in the line buffer for the column; if not,
double its length. */
- line_len += column_len + 1; /* "+1" for space or \n */
+ line_len += column_len + 1; /* "+1" for space */
if (line_len > line_buf_len) {
line_buf_len *= 2;
line_buf = g_realloc(line_buf, line_buf_len + 1);
else
sprintf(cp, "%-*s", col_widths[i], cf->cinfo.col_data[i]);
cp += column_len;
- if (i == cf->cinfo.num_cols - 1)
- *cp++ = '\n';
- else
+ if (i != cf->cinfo.num_cols - 1)
*cp++ = ' ';
}
*cp = '\0';
- print_line(cf->print_fh, print_args->format, line_buf);
+ print_line(cf->print_fh, 0, print_args->format, line_buf);
} else {
if (print_separator)
- print_line(cf->print_fh, print_args->format, "\n");
+ print_line(cf->print_fh, 0, print_args->format, "");
- /* Create the logical protocol tree. */
- protocol_tree = proto_tree_create_root();
- edt = epan_dissect_new(&cf->pseudo_header, cf->pd, fdata, protocol_tree);
+ /* Create the logical protocol tree, complete with the display
+ representation of the items; we don't need the columns here,
+ however. */
+ edt = epan_dissect_new(TRUE, TRUE);
+ epan_dissect_run(edt, &cf->pseudo_header, cf->pd, fdata, NULL);
/* Print the information in that tree. */
- proto_tree_print(FALSE, print_args, (GNode *)protocol_tree,
- fdata, cf->print_fh);
-
- proto_tree_free(protocol_tree);
+ proto_tree_print(print_args, edt, cf->print_fh);
if (print_args->print_hex) {
/* Print the full packet data as hex. */
- print_hex_data(cf->print_fh, print_args->format, fdata);
+ print_hex_data(cf->print_fh, print_args->format, edt);
}
/* Print a blank line if we print anything after this. */
}
}
- /* We're done printing the packets; destroy the progress bar. */
- destroy_progress_dlg(progbar);
+ /* We're done printing the packets; destroy the progress bar if
+ it was created. */
+ if (progbar != NULL)
+ destroy_progress_dlg(progbar);
if (col_widths != NULL)
g_free(col_widths);
cf->print_fh = NULL;
- proto_tree_is_visible = FALSE;
-
return TRUE;
}
change_time_formats(capture_file *cf)
{
frame_data *fdata;
- progdlg_t *progbar;
- gboolean stop_flag;
- guint32 progbar_quantum;
- guint32 progbar_nextstep;
- unsigned int count;
- int row;
- int i;
- GtkStyle *pl_style;
+ progdlg_t *progbar = NULL;
+ gboolean stop_flag;
+ int count;
+ int row;
+ int i;
+ GtkStyle *pl_style;
+ float prog_val;
+ GTimeVal start_time;
+ gchar status_str[100];
+
+ /* Are there any columns with time stamps in the "command-line-specified"
+ format?
+
+ XXX - we have to force the "column is writable" flag on, as it
+ might be off from the last frame that was dissected. */
+ col_set_writable(&cf->cinfo, TRUE);
+ if (!check_col(&cf->cinfo, COL_CLS_TIME)) {
+ /* No, there aren't any columns in that format, so we have no work
+ to do. */
+ return;
+ }
/* Freeze the packet list while we redo it, so we don't get any
screen updates while it happens. */
freeze_clist(cf);
/* Update the progress bar when it gets to this value. */
- progbar_nextstep = 0;
+ cf->progbar_nextstep = 0;
/* When we reach the value that triggers a progress bar update,
bump that value by this amount. */
- progbar_quantum = cf->count/N_PROGBAR_UPDATES;
+ cf->progbar_quantum = cf->count/N_PROGBAR_UPDATES;
/* Count of packets at which we've looked. */
count = 0;
stop_flag = FALSE;
- progbar = create_progress_dlg("Changing time display", "Stop", &stop_flag);
+ g_get_current_time(&start_time);
/* Iterate through the list of packets, checking whether the packet
is in a row of the summary list and, if so, whether there are
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) {
+ if (count >= cf->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);
- update_progress_dlg(progbar, (gfloat) count / cf->count);
+ prog_val = (gfloat) count / cf->count;
- progbar_nextstep += progbar_quantum;
+ if (progbar == NULL)
+ /* Create the progress bar if necessary */
+ progbar = delayed_create_progress_dlg("Changing", "time display", "Stop",
+ &stop_flag, &start_time, prog_val);
+
+ if (progbar != NULL) {
+ g_snprintf(status_str, sizeof(status_str),
+ "%4u of %u frames", count, cf->count);
+ update_progress_dlg(progbar, prog_val, status_str);
+ }
+
+ cf->progbar_nextstep += cf->progbar_quantum;
}
if (stop_flag) {
if (row != -1) {
/* This packet is in the summary list, on row "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. */
- fdata->cinfo = &cf->cinfo;
- if (check_col(fdata, 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_buf[i][0] = '\0';
- col_set_cls_time(fdata, i);
- gtk_clist_set_text(GTK_CLIST(packet_list), row, i,
- cf->cinfo.col_data[i]);
- }
+ 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_buf[i][0] = '\0';
+ col_set_cls_time(fdata, &cf->cinfo, i);
+ gtk_clist_set_text(GTK_CLIST(packet_list), row, i,
+ cf->cinfo.col_data[i]);
}
}
}
}
- /* We're done redisplaying the packets; destroy the progress bar. */
- destroy_progress_dlg(progbar);
+ /* We're done redisplaying the packets; destroy the progress bar if it
+ was created. */
+ if (progbar != NULL)
+ destroy_progress_dlg(progbar);
/* Set the column widths of those columns that show the time in
"command-line-specified" format. */
frame_data *start_fd;
frame_data *fdata;
frame_data *new_fd = NULL;
- progdlg_t *progbar;
- gboolean stop_flag;
- guint32 progbar_quantum;
- guint32 progbar_nextstep;
- unsigned int count;
- proto_tree *protocol_tree;
- gboolean frame_matched;
- int row;
+ progdlg_t *progbar = NULL;
+ gboolean stop_flag;
+ int count;
+ int err;
+ gboolean frame_matched;
+ int row;
epan_dissect_t *edt;
+ float prog_val;
+ GTimeVal start_time;
+ gchar status_str[100];
start_fd = cf->current_frame;
if (start_fd != NULL) {
count = 0;
fdata = start_fd;
- /* Update the progress bar when it gets to this value. */
- progbar_nextstep = 0;
+ cf->progbar_nextstep = 0;
/* When we reach the value that triggers a progress bar update,
bump that value by this amount. */
- progbar_quantum = cf->count/N_PROGBAR_UPDATES;
+ cf->progbar_quantum = cf->count/N_PROGBAR_UPDATES;
stop_flag = FALSE;
- progbar = create_progress_dlg("Searching", "Cancel", &stop_flag);
+ g_get_current_time(&start_time);
fdata = start_fd;
for (;;) {
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) {
+ if (count >= cf->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);
- update_progress_dlg(progbar, (gfloat) count / cf->count);
+ prog_val = (gfloat) count / cf->count;
+
+ /* Create the progress bar if necessary */
+ if (progbar == NULL)
+ progbar = delayed_create_progress_dlg("Searching", cf->sfilter, "Cancel",
+ &stop_flag, &start_time, prog_val);
+
+ if (progbar != NULL) {
+ g_snprintf(status_str, sizeof(status_str),
+ "%4u of %u frames", count, cf->count);
+ update_progress_dlg(progbar, prog_val, status_str);
+ }
- progbar_nextstep += progbar_quantum;
+ cf->progbar_nextstep += cf->progbar_quantum;
}
if (stop_flag) {
/* Is this packet in the display? */
if (fdata->flags.passed_dfilter) {
/* Yes. Does it match the search filter? */
- protocol_tree = proto_tree_create_root();
+ /* XXX - do something with "err" */
wtap_seek_read(cf->wth, fdata->file_off, &cf->pseudo_header,
- cf->pd, fdata->cap_len);
- edt = epan_dissect_new(&cf->pseudo_header, cf->pd, fdata, protocol_tree);
+ cf->pd, fdata->cap_len, &err);
+ edt = epan_dissect_new(TRUE, FALSE);
+ epan_dissect_prime_dfilter(edt, sfcode);
+ epan_dissect_run(edt, &cf->pseudo_header, cf->pd, fdata, NULL);
frame_matched = dfilter_apply_edt(sfcode, edt);
- proto_tree_free(protocol_tree);
- epan_dissect_free(edt);
+ epan_dissect_free(edt);
if (frame_matched) {
new_fd = fdata;
break; /* found it! */
}
}
- /* We're done scanning the packets; destroy the progress bar. */
- destroy_progress_dlg(progbar);
+ /* We're done scanning the packets; destroy the progress bar if it
+ was created. */
+ if (progbar != NULL)
+ destroy_progress_dlg(progbar);
}
if (new_fd != NULL) {
select_packet(capture_file *cf, int row)
{
frame_data *fdata;
- tvbuff_t *bv_tvb;
- int i;
+ int err;
/* Get the frame data struct pointer for this frame */
fdata = (frame_data *) gtk_clist_get_row_data(GTK_CLIST(packet_list), row);
cf->current_frame = fdata;
/* Get the data in that frame. */
+ /* XXX - do something with "err" */
wtap_seek_read (cf->wth, fdata->file_off, &cf->pseudo_header,
- cf->pd, fdata->cap_len);
+ cf->pd, fdata->cap_len, &err);
/* 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;
if (cf->edt != NULL) {
epan_dissect_free(cf->edt);
cf->edt = NULL;
}
- cf->edt = epan_dissect_new(&cf->pseudo_header, cf->pd, cf->current_frame,
- cf->protocol_tree);
- proto_tree_is_visible = FALSE;
-
- /* Display the GUI protocol tree and hex dump. */
- clear_tree_and_hex_views();
+ /* We don't need the columns here. */
+ cf->edt = epan_dissect_new(TRUE, TRUE);
+ epan_dissect_run(cf->edt, &cf->pseudo_header, cf->pd, cf->current_frame,
+ NULL);
- i = 0;
- while((bv_tvb = g_slist_nth_data ( cf->current_frame->data_src, i++))){
- add_byte_view( tvb_get_name( bv_tvb), tvb_get_ptr(bv_tvb, 0, -1), tvb_length(bv_tvb));
- }
-
- proto_tree_draw(cf->protocol_tree, tree_view);
-
- set_notebook_page( byte_nb_ptr, 0);
+ /* Display the GUI protocol tree and hex dump.
+ XXX - why do we dump core if we call "proto_tree_draw()"
+ before calling "add_byte_views()"? */
+ add_byte_views(cf->edt, tree_view, byte_nb_ptr);
+ proto_tree_draw(cf->edt->tree, tree_view);
/* A packet is selected. */
set_menus_for_selected_packet(TRUE);
void
unselect_packet(capture_file *cf)
{
- /* Destroy the protocol tree and epan_dissect_t for that packet. */
- if (cf->protocol_tree != NULL) {
- proto_tree_free(cf->protocol_tree);
- cf->protocol_tree = NULL;
- }
+ /* Destroy the epan_dissect_t for the unselected packet. */
if (cf->edt != NULL) {
epan_dissect_free(cf->edt);
cf->edt = NULL;
set_menus_for_selected_tree_row(FALSE);
}
+/*
+ * Mark a particular frame.
+ */
+void
+mark_frame(capture_file *cf, frame_data *frame)
+{
+ frame->flags.marked = TRUE;
+ cf->marked_count++;
+}
+
+/*
+ * Unmark a particular frame.
+ */
+void
+unmark_frame(capture_file *cf, frame_data *frame)
+{
+ frame->flags.marked = FALSE;
+ cf->marked_count--;
+}
+
static void
freeze_clist(capture_file *cf)
{
gtk_clist_set_column_resizeable(GTK_CLIST(packet_list), i, TRUE);
}
-int
-save_cap_file(char *fname, capture_file *cf, gboolean save_filtered, gboolean save_marked,
- guint save_format)
+/*
+ * Save a capture to a file, in a particular format, saving either
+ * all packets, all currently-displayed packets, or all marked packets.
+ *
+ * Returns TRUE if it succeeds, FALSE otherwise; if it fails, it pops
+ * up a message box for the failure.
+ */
+gboolean
+save_cap_file(char *fname, capture_file *cf, gboolean save_filtered,
+ gboolean save_marked, guint save_format)
{
gchar *from_filename;
gchar *name_ptr, *save_msg, *save_fmt = " Saving: %s...";
struct wtap_pkthdr hdr;
union wtap_pseudo_header pseudo_header;
guint8 pd[65536];
+ struct stat infile, outfile;
name_ptr = get_basename(fname);
msg_len = strlen(name_ptr) + strlen(save_fmt) + 2;
statusbar_push_file_msg(save_msg);
g_free(save_msg);
+ /*
+ * Check that the from file is not the same as to file
+ * We do it here so we catch all cases ...
+ * Unfortunately, the file requester gives us an absolute file
+ * name and the read file name may be relative (if supplied on
+ * the command line). From Joerg Mayer.
+ */
+ infile.st_ino = 1; /* These prevent us from getting equality */
+ outfile.st_ino = 2; /* If one or other of the files is not accessible */
+ stat(cf->filename, &infile);
+ stat(fname, &outfile);
+ if (infile.st_ino == outfile.st_ino) {
+ simple_dialog(ESD_TYPE_CRIT, NULL,
+ "Can't save over current capture file: %s!",
+ cf->filename);
+ goto fail;
+ }
+
if (!save_filtered && !save_marked && save_format == cf->cd_t) {
/* We're not filtering packets, and we're saving it in the format
it's already in, so we can just move or copy the raw data. */
- /* In this branch, we set "err" only if we get an error, so we
- must first clear it. */
- err = 0;
if (cf->is_tempfile) {
/* The file being saved is a temporary file from a live
capture, so it doesn't need to stay around under that name;
be if we didn't have permission to remove the file from
the temporary directory, and that might be fixable - but
is it worth requiring the user to go off and fix it?) */
- err = errno;
simple_dialog(ESD_TYPE_CRIT, NULL,
- file_rename_error_message(err), fname);
- goto done;
+ file_rename_error_message(errno), fname);
+ goto fail;
}
}
#else
do_copy = TRUE;
from_filename = cf->filename;
}
- /* Copy the file, if we haven't moved it. */
+
if (do_copy) {
- if (!copy_binary_file(from_filename, fname)) {
- goto done;
- }
+ /* Copy the file, if we haven't moved it. */
+ if (!copy_binary_file(from_filename, fname))
+ goto fail;
}
} else {
/* Either we're filtering packets, or we're saving in a different
pdh = wtap_dump_open(fname, save_format, cf->lnk_t, cf->snap, &err);
if (pdh == NULL) {
simple_dialog(ESD_TYPE_CRIT, NULL,
- file_open_error_message(err, TRUE), fname);
- goto done;
+ file_open_error_message(err, TRUE, save_format), fname);
+ goto fail;
}
/* XXX - have a way to save only the packets currently selected by
hdr.caplen = fdata->cap_len;
hdr.len = fdata->pkt_len;
hdr.pkt_encap = fdata->lnk_t;
- wtap_seek_read(cf->wth, fdata->file_off, &pseudo_header,
- pd, fdata->cap_len);
+ if (!wtap_seek_read(cf->wth, fdata->file_off, &pseudo_header,
+ pd, fdata->cap_len, &err)) {
+ simple_dialog(ESD_TYPE_CRIT, NULL,
+ file_read_error_message(err), cf->filename);
+ wtap_dump_close(pdh, &err);
+ goto fail;
+ }
if (!wtap_dump(pdh, &hdr, &pseudo_header, pd, &err)) {
- simple_dialog(ESD_TYPE_CRIT, NULL,
+ simple_dialog(ESD_TYPE_CRIT, NULL,
file_write_error_message(err), fname);
- wtap_dump_close(pdh, &err);
- goto done;
+ wtap_dump_close(pdh, &err);
+ goto fail;
}
}
}
if (!wtap_dump_close(pdh, &err)) {
simple_dialog(ESD_TYPE_WARN, NULL,
file_close_error_message(err), fname);
- goto done;
+ goto fail;
}
}
-done:
-
/* Pop the "Saving:" message off the status bar. */
statusbar_pop_file_msg();
- if (err == 0) {
- if (!save_filtered && !save_marked) {
- /* We saved the entire capture, not just some packets from it.
- Open and read the file we saved it to.
-
- XXX - this is somewhat of a waste; we already have the
- packets, all this gets us is updated file type information
- (which we could just stuff into "cf"), and having the new
- file be the one we have opened and from which we're reading
- the data, and it means we have to spend time opening and
- reading the file, which could be a significant amount of
- time if the file is large. */
- cf->user_saved = TRUE;
-
- if ((err = open_cap_file(fname, FALSE, cf)) == 0) {
- /* XXX - report errors if this fails? */
- switch (read_cap_file(cf, &err)) {
-
- case READ_SUCCESS:
- case READ_ERROR:
- /* Just because we got an error, that doesn't mean we were unable
- to read any of the file; we handle what we could get from the
- file. */
- break;
-
- case READ_ABORTED:
- /* The user bailed out of re-reading the capture file; the
- capture file has been closed - just return (without
- changing any menu settings; "close_cap_file()" set them
- correctly for the "no capture file open" state). */
- return 0;
- }
- set_menus_for_unsaved_capture_file(FALSE);
+ if (!save_filtered && !save_marked) {
+ /* We saved the entire capture, not just some packets from it.
+ Open and read the file we saved it to.
+
+ XXX - this is somewhat of a waste; we already have the
+ packets, all this gets us is updated file type information
+ (which we could just stuff into "cf"), and having the new
+ file be the one we have opened and from which we're reading
+ the data, and it means we have to spend time opening and
+ reading the file, which could be a significant amount of
+ time if the file is large. */
+ cf->user_saved = TRUE;
+
+ if ((err = open_cap_file(fname, FALSE, cf)) == 0) {
+ /* XXX - report errors if this fails?
+ What should we return if it fails or is aborted? */
+ switch (read_cap_file(cf, &err)) {
+
+ case READ_SUCCESS:
+ case READ_ERROR:
+ /* Just because we got an error, that doesn't mean we were unable
+ to read any of the file; we handle what we could get from the
+ file. */
+ break;
+
+ case READ_ABORTED:
+ /* The user bailed out of re-reading the capture file; the
+ capture file has been closed - just return (without
+ changing any menu settings; "close_cap_file()" set them
+ correctly for the "no capture file open" state). */
+ break;
}
+ set_menus_for_unsaved_capture_file(FALSE);
}
}
- return err;
+ return TRUE;
+
+fail:
+ /* Pop the "Saving:" message off the status bar. */
+ statusbar_pop_file_msg();
+ return FALSE;
}
char *
-file_open_error_message(int err, gboolean for_writing)
+file_open_error_message(int err, gboolean for_writing, int file_type)
{
char *errmsg;
static char errmsg_errno[1024+1];
errmsg = "The file \"%s\" is a \"special file\" or socket or other non-regular file.";
break;
+ case WTAP_ERR_RANDOM_OPEN_PIPE:
+ /* Seen only when opening a capture file for reading. */
+ errmsg = "The file \"%s\" is a pipe or FIFO; Ethereal cannot read pipe or FIFO files.";
+ break;
+
case WTAP_ERR_FILE_UNKNOWN_FORMAT:
case WTAP_ERR_UNSUPPORTED:
/* Seen only when opening a capture file for reading. */
errmsg = "The file \"%s\" is not a capture file in a format Ethereal understands.";
break;
+ case WTAP_ERR_CANT_WRITE_TO_PIPE:
+ /* Seen only when opening a capture file for writing. */
+ snprintf(errmsg_errno, sizeof(errmsg_errno),
+ "The file \"%%s\" is a pipe, and %s capture files cannot be "
+ "written to a pipe.", wtap_file_type_string(file_type));
+ errmsg = errmsg_errno;
+ break;
+
case WTAP_ERR_UNSUPPORTED_FILE_TYPE:
/* Seen only when opening a capture file for writing. */
errmsg = "Ethereal does not support writing capture files in that format.";
case WTAP_ERR_SHORT_READ:
errmsg = "The file \"%s\" appears to have been cut short"
- " in the middle of a packet.";
+ " in the middle of a packet or other data.";
break;
case WTAP_ERR_SHORT_WRITE:
default:
snprintf(errmsg_errno, sizeof(errmsg_errno),
- "The file \"%%s\" could not be opened: %s.",
+ "The file \"%%s\" could not be %s: %s.",
+ for_writing ? "created" : "opened",
wtap_strerror(err));
errmsg = errmsg_errno;
break;
if (from_fd < 0) {
err = errno;
simple_dialog(ESD_TYPE_CRIT, NULL,
- file_open_error_message(err, TRUE), from_filename);
+ file_open_error_message(err, TRUE, 0), from_filename);
goto done;
}
if (to_fd < 0) {
err = errno;
simple_dialog(ESD_TYPE_CRIT, NULL,
- file_open_error_message(err, TRUE), to_filename);
+ file_open_error_message(err, TRUE, 0), to_filename);
close(from_fd);
goto done;
}