*
* $Id$
*
- * Ethereal - Network traffic analyzer
- * By Gerald Combs <gerald@ethereal.com>
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* This program is free software; you can redistribute it and/or
#include <string.h>
#include <epan/filesystem.h>
+#include "file_util.h"
#include <epan/packet.h>
#include "color.h"
#include "file.h"
#include <epan/dfilter/dfilter.h>
#include "simple_dialog.h"
+#include "ui_util.h"
-static gboolean read_filters(void);
-static gboolean read_global_filters(void);
+static gboolean read_users_filters(GSList **cfl);
-/* Variables and routines defined in color.h */
+/* the currently active filters */
+static GSList *color_filter_list = NULL;
-GSList *color_filter_list = NULL;
-GSList *removed_filter_list = NULL;
+/* keep "old" deleted filters in this list until
+ * the dissection no longer needs them (e.g. file is closed) */
+static GSList *color_filter_deleted_list = NULL;
-/* Remove the specified filter from the list of existing color filters,
- * and add it to the list of removed color filters.
- * This way, unmarking and marking a packet which matches a now removed
- * color filter will still be colored correctly as the color filter is
- * still reachable. */
-void color_filter_remove(color_filter_t *colorf)
+/* Color Filters can en-/disabled. */
+gboolean filters_enabled = TRUE;
+
+
+/* Create a new filter */
+color_filter_t *
+color_filter_new(const gchar *name, /* The name of the filter to create */
+ const gchar *filter_string, /* The string representing the filter */
+ color_t *bg_color, /* The background color */
+ color_t *fg_color) /* The foreground color */
{
- /* Remove colorf from the list of color filters */
- color_filter_list = g_slist_remove(color_filter_list, colorf);
- /* Add colorf to the list of removed color filters */
- removed_filter_list = g_slist_prepend(removed_filter_list, colorf);
+ color_filter_t *colorf;
+
+ colorf = g_malloc(sizeof (color_filter_t));
+ colorf->filter_name = g_strdup(name);
+ colorf->filter_text = g_strdup(filter_string);
+ colorf->bg_color = *bg_color;
+ colorf->fg_color = *fg_color;
+ colorf->c_colorfilter = NULL;
+ colorf->edit_dialog = NULL;
+ colorf->selected = FALSE;
+ return colorf;
}
/* delete the specified filter */
-static void
-delete_color_filter(color_filter_t *colorf)
+void
+color_filter_delete(color_filter_t *colorf)
{
if (colorf->filter_name != NULL)
g_free(colorf->filter_name);
g_free(colorf);
}
-/* delete the specified filter as an iterator */
+/* delete the specified filter (called from g_slist_foreach) */
static void
-delete_color_filter_it(gpointer filter_arg, gpointer unused _U_)
+color_filter_delete_cb(gpointer filter_arg, gpointer unused _U_)
{
color_filter_t *colorf = filter_arg;
- delete_color_filter(colorf);
+
+ color_filter_delete(colorf);
+}
+
+/* delete the specified list */
+void
+color_filter_list_delete(GSList **cfl)
+{
+ g_slist_foreach(*cfl, color_filter_delete_cb, NULL);
+ g_slist_free(*cfl);
+ *cfl = NULL;
+}
+
+/* clone a single list entries from normal to edit list */
+static color_filter_t *
+color_filter_clone(color_filter_t *colorf)
+{
+ color_filter_t *new_colorf;
+
+ new_colorf = g_malloc(sizeof (color_filter_t));
+ new_colorf->filter_name = g_strdup(colorf->filter_name);
+ new_colorf->filter_text = g_strdup(colorf->filter_text);
+ new_colorf->bg_color = colorf->bg_color;
+ new_colorf->fg_color = colorf->fg_color;
+ new_colorf->c_colorfilter = NULL;
+ new_colorf->edit_dialog = NULL;
+ new_colorf->selected = FALSE;
+
+ return new_colorf;
}
-/* delete all the filters */
static void
-delete_all_color_filters (void)
+color_filter_list_clone_cb(gpointer filter_arg, gpointer cfl_arg)
{
- g_slist_foreach(color_filter_list, delete_color_filter_it, NULL);
- g_slist_free(color_filter_list);
- color_filter_list = NULL;
- g_slist_foreach(removed_filter_list, delete_color_filter_it, NULL);
- g_slist_free(removed_filter_list);
- removed_filter_list = NULL;
+ gpointer *cfl = cfl_arg;
+ color_filter_t *new_colorf;
+
+ new_colorf = color_filter_clone(filter_arg);
+ *cfl = g_slist_append(*cfl, new_colorf);
+}
+
+/* clone the specified list */
+static GSList *
+color_filter_list_clone(GSList *cfl)
+{
+ GSList *new_list = NULL;
+
+ g_slist_foreach(cfl, color_filter_list_clone_cb, &new_list);
+
+ return new_list;
}
/* Initialize the filter structures (reading from file) for general running, including app startup */
void
color_filters_init(void)
{
- delete_all_color_filters();
- if (!read_filters())
- read_global_filters();
+ /* delete all currently existing filters */
+ color_filter_list_delete(&color_filter_list);
+
+ /* try to read the users filters */
+ if (!read_users_filters(&color_filter_list))
+ /* if that failed, try to read the global filters */
+ color_filters_read_globals(&color_filter_list);
}
-/* Create a new filter */
-color_filter_t *
-color_filter_new(gchar *name, /* The name of the filter to create */
- gchar *filter_string, /* The string representing the filter */
- color_t *bg_color, /* The background color */
- color_t *fg_color) /* The foreground color */
+void
+color_filters_cleanup(void)
{
- color_filter_t *colorf;
+ /* delete the previously deleted filters */
+ color_filter_list_delete(&color_filter_deleted_list);
+}
- colorf = g_malloc(sizeof (color_filter_t));
- colorf->filter_name = g_strdup(name);
- colorf->filter_text = g_strdup(filter_string);
- colorf->bg_color = *bg_color;
- colorf->fg_color = *fg_color;
- colorf->c_colorfilter = NULL;
- colorf->edit_dialog = NULL;
- colorf->marked = FALSE;
- color_filter_list = g_slist_append(color_filter_list, colorf);
- return colorf;
+static void
+color_filters_clone_cb(gpointer filter_arg, gpointer user_data)
+{
+ color_filter_t * new_colorf = color_filter_clone(filter_arg);
+
+ color_filter_add_cb (new_colorf, user_data);
+}
+
+void
+color_filters_clone(gpointer user_data)
+{
+ g_slist_foreach(color_filter_list, color_filters_clone_cb, user_data);
+}
+
+
+static void
+color_filter_compile_cb(gpointer filter_arg, gpointer unused _U_)
+{
+ color_filter_t *colorf = filter_arg;
+
+ g_assert(colorf->c_colorfilter == NULL);
+ if (!dfilter_compile(colorf->filter_text, &colorf->c_colorfilter)) {
+ simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
+ "Could not compile color filter name: \"%s\" text: \"%s\".\n%s",
+ colorf->filter_name, colorf->filter_text, dfilter_error_msg);
+ /* this filter was compilable before, so this should never happen */
+ g_assert_not_reached();
+ }
+}
+
+/* apply changes from the edit list */
+void
+color_filters_apply(GSList *cfl)
+{
+ /* "move" old entries to the deleted list
+ * we must keep them until the dissection no longer needs them */
+ color_filter_deleted_list = g_slist_concat(color_filter_deleted_list, color_filter_list);
+ color_filter_list = NULL;
+
+ /* clone all list entries from edit to normal list */
+ color_filter_list = color_filter_list_clone(cfl);
+
+ /* compile all filter */
+ g_slist_foreach(color_filter_list, color_filter_compile_cb, NULL);
}
+gboolean
+color_filters_used(void)
+{
+ return color_filter_list != NULL && filters_enabled;
+}
+
+void
+color_filters_enable(gboolean enable)
+{
+ filters_enabled = enable;
+}
+
+
+/* prepare the epan_dissect_t for the filter */
static void
prime_edt(gpointer data, gpointer user_data)
{
g_slist_foreach(color_filter_list, prime_edt, edt);
}
-/* read filters from the given file */
+/* Colorize a single packet of the packet list */
+color_filter_t *
+color_filters_colorize_packet(gint row, epan_dissect_t *edt)
+{
+ GSList *curr;
+ color_filter_t *colorf;
+
+ /* If we have color filters, "search" for the matching one. */
+ if (color_filters_used()) {
+ curr = color_filter_list;
+
+ while( (curr = g_slist_next(curr)) != NULL) {
+ colorf = curr->data;
+ if ((colorf->c_colorfilter != NULL) &&
+ dfilter_apply_edt(colorf->c_colorfilter, edt)) {
+ /* this is the filter to use, apply it to the packet list */
+ packet_list_set_colors(row, &(colorf->fg_color), &(colorf->bg_color));
+ return colorf;
+ }
+ }
+ }
+
+ return NULL;
+}
+/* read filters from the given file */
/* XXX - Would it make more sense to use GStrings here instead of reallocing
our buffers? */
static gboolean
-read_filters_file(FILE *f, gpointer arg)
+read_filters_file(FILE *f, gpointer user_data)
{
#define INIT_BUF_SIZE 128
gchar *name = NULL;
colorf = color_filter_new(name, filter_exp, &bg_color,
&fg_color);
- colorf->c_colorfilter = temp_dfilter;
-
- if (arg != NULL)
- color_filter_add_cb (colorf, arg);
+ if(user_data == &color_filter_list) {
+ GSList **cfl = (GSList **)user_data;
+
+ /* internal call */
+ colorf->c_colorfilter = temp_dfilter;
+ *cfl = g_slist_append(*cfl, colorf);
+ } else {
+ /* external call */
+ /* just editing, don't need the compiled filter */
+ dfilter_free(temp_dfilter);
+ color_filter_add_cb (colorf, user_data);
+ }
} /* if sscanf */
skip_end_of_line = TRUE;
/* read filters from the user's filter file */
static gboolean
-read_filters(void)
+read_users_filters(GSList **cfl)
{
gchar *path;
FILE *f;
/* decide what file to open (from dfilter code) */
path = get_persconffile_path("colorfilters", FALSE);
- if ((f = fopen(path, "r")) == NULL) {
+ if ((f = eth_fopen(path, "r")) == NULL) {
if (errno != ENOENT) {
simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
"Could not open filter file\n\"%s\": %s.", path,
g_free(path);
path = NULL;
- ret = read_filters_file(f, NULL);
+ ret = read_filters_file(f, cfl);
fclose(f);
return ret;
}
/* read filters from the filter file */
-static gboolean
-read_global_filters(void)
+gboolean
+color_filters_read_globals(gpointer user_data)
{
gchar *path;
FILE *f;
/* decide what file to open (from dfilter code) */
path = get_datafile_path("colorfilters");
- if ((f = fopen(path, "r")) == NULL) {
+ if ((f = eth_fopen(path, "r")) == NULL) {
if (errno != ENOENT) {
simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
"Could not open global filter file\n\"%s\": %s.", path,
g_free(path);
path = NULL;
- ret = read_filters_file(f, NULL);
+ ret = read_filters_file(f, user_data);
fclose(f);
return ret;
}
/* read filters from some other filter file (import) */
gboolean
-color_filters_import(gchar *path, gpointer arg)
+color_filters_import(gchar *path, gpointer user_data)
{
FILE *f;
gboolean ret;
- if ((f = fopen(path, "r")) == NULL) {
+ if ((f = eth_fopen(path, "r")) == NULL) {
simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
"Could not open\n%s\nfor reading: %s.",
path, strerror(errno));
return FALSE;
}
- ret = read_filters_file(f, arg);
+ ret = read_filters_file(f, user_data);
fclose(f);
return ret;
}
struct write_filter_data
{
FILE * f;
- gboolean only_marked;
+ gboolean only_selected;
};
/* save a single filter */
color_filter_t *colorf = filter_arg;
FILE *f = data->f;
- if (colorf->marked || !data->only_marked) {
+ if (colorf->selected || !data->only_selected) {
fprintf(f,"@%s@%s@[%d,%d,%d][%d,%d,%d]\n",
colorf->filter_name,
colorf->filter_text,
}
/* save filters in a filter file */
-gboolean
-write_filters_file(FILE *f, gboolean only_marked)
+static gboolean
+write_filters_file(GSList *cfl, FILE *f, gboolean only_selected)
{
struct write_filter_data data;
data.f = f;
- data.only_marked = only_marked;
+ data.only_selected = only_selected;
- fprintf(f,"# DO NOT EDIT THIS FILE! It was created by Ethereal\n");
- g_slist_foreach(color_filter_list, write_filter, &data);
+ fprintf(f,"# DO NOT EDIT THIS FILE! It was created by Wireshark\n");
+ g_slist_foreach(cfl, write_filter, &data);
return TRUE;
}
/* save filters in users filter file */
gboolean
-color_filters_write(void)
+color_filters_write(GSList *cfl)
{
gchar *pf_dir_path;
const gchar *path;
}
path = get_persconffile_path("colorfilters", TRUE);
- if ((f = fopen(path, "w+")) == NULL) {
+ if ((f = eth_fopen(path, "w+")) == NULL) {
simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
"Could not open\n%s\nfor writing: %s.",
path, strerror(errno));
return FALSE;
}
- write_filters_file(f, FALSE);
+ write_filters_file(cfl, f, FALSE);
fclose(f);
return TRUE;
}
-/* delete users filter file and reload global filters */
-gboolean
-color_filters_revert(void)
-{
- gchar *path;
-
- path = get_persconffile_path("colorfilters", TRUE);
- if (!deletefile(path)) {
- g_free(path);
- return FALSE;
- }
-
- g_free(path);
-
- /* Reload the (global) filters - Note: this does not update the dialog. */
- color_filters_init();
- return TRUE;
-}
-
-
/* save filters in some other filter file (export) */
gboolean
-color_filters_export(gchar *path, gboolean only_marked)
+color_filters_export(gchar *path, GSList *cfl, gboolean only_marked)
{
FILE *f;
- if ((f = fopen(path, "w+")) == NULL) {
+ if ((f = eth_fopen(path, "w+")) == NULL) {
simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
"Could not open\n%s\nfor writing: %s.",
path, strerror(errno));
return FALSE;
}
- write_filters_file(f, only_marked);
+ write_filters_file(cfl, f, only_marked);
fclose(f);
return TRUE;
}
+
git.samba.org / obnox / wireshark / wip.git / blobdiff