forked from osmocom/wireshark
145 lines
3.5 KiB
C
145 lines
3.5 KiB
C
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/* filters.c
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* Code for reading and writing the filters file.
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*
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* $Id: filters.c,v 1.1 2001/01/28 04:43:24 guy 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 <stdio.h>
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#include <string.h>
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#include <ctype.h>
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#ifdef HAVE_SYS_STAT_H
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#include <sys/stat.h>
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#endif
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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 <glib.h>
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#include <epan.h>
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#include "filters.h"
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#include "util.h"
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#define FILTER_LINE_SIZE 2048
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/*
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* List of filters.
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*/
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GList *fl = NULL;
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void
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get_filter_list(void)
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{
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filter_def *filt;
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FILE *ff;
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gchar *ff_path, *ff_name = PF_DIR "/filters", f_buf[FILTER_LINE_SIZE];
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gchar *name_begin, *name_end, *filt_begin;
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int len, line = 0;
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if (fl) return;
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/* To do: generalize this */
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ff_path = (gchar *) g_malloc(strlen(get_home_dir()) + strlen(ff_name) + 4);
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sprintf(ff_path, "%s/%s", get_home_dir(), ff_name);
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if ((ff = fopen(ff_path, "r")) == NULL) {
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g_free(ff_path);
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return;
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}
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while (fgets(f_buf, FILTER_LINE_SIZE, ff)) {
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line++;
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len = strlen(f_buf);
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if (f_buf[len - 1] == '\n') {
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len--;
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f_buf[len] = '\0';
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}
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name_begin = strchr(f_buf, '"');
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/* Empty line */
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if (name_begin == NULL)
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continue;
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name_end = strchr(name_begin + 1, '"');
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/* No terminating quote */
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if (name_end == NULL) {
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g_warning("Malformed filter in '%s' line %d.", ff_path, line);
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continue;
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}
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name_begin++;
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name_end[0] = '\0';
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filt_begin = name_end + 1;
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while(isspace((guchar)filt_begin[0])) filt_begin++;
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/* No filter string */
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if (filt_begin[0] == '\0') {
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g_warning("Malformed filter in '%s' line %d.", ff_path, line);
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continue;
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}
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filt = (filter_def *) g_malloc(sizeof(filter_def));
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filt->name = g_strdup(name_begin);
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filt->strval = g_strdup(filt_begin);
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fl = g_list_append(fl, filt);
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}
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fclose(ff);
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g_free(ff_path);
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}
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void
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save_filter_list(void)
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{
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GList *flp;
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filter_def *filt;
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gchar *ff_path, *ff_dir = PF_DIR, *ff_name = "filters";
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FILE *ff;
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struct stat s_buf;
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ff_path = (gchar *) g_malloc(strlen(get_home_dir()) + strlen(ff_dir) +
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strlen(ff_name) + 4);
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sprintf(ff_path, "%s/%s", get_home_dir(), ff_dir);
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if (stat(ff_path, &s_buf) != 0)
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#ifdef WIN32
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mkdir(ff_path);
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#else
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mkdir(ff_path, 0755);
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#endif
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sprintf(ff_path, "%s/%s/%s", get_home_dir(), ff_dir, ff_name);
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if ((ff = fopen(ff_path, "w")) != NULL) {
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flp = g_list_first(fl);
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while (flp) {
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filt = (filter_def *) flp->data;
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fprintf(ff, "\"%s\" %s\n", filt->name, filt->strval);
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flp = flp->next;
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}
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fclose(ff);
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}
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g_free(ff_path);
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}
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