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/*
* SPDX license identifier: MPL-2.0
*
* Copyright (C) 2011-2015, BMW AG
*
* This file is part of GENIVI Project DLT - Diagnostic Log and Trace.
*
* This Source Code Form is subject to the terms of the
* Mozilla Public License (MPL), v. 2.0.
* If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/.
*
* For further information see http://www.genivi.org/.
*/
/*!
* \author Alexander Wenzel <alexander.aw.wenzel@bmw.de>
*
* \copyright Copyright © 2011-2015 BMW AG. \n
* License MPL-2.0: Mozilla Public License version 2.0 http://mozilla.org/MPL/2.0/.
*
* \file dlt-dbus-options.c
*/
#include "dlt-dbus.h"
#include <stdlib.h>
#include <string.h>
/**
* Print information how to use this program.
*/
void usage(char *prog_name)
{
char version[255];
dlt_get_version(version, 255);
printf("Usage: %s [options]\n", prog_name);
printf("Application to forward dbus messages to DLT.\n");
printf("%s\n", version);
printf("Options:\n");
printf(" -d Daemonize. Detach from terminal and run in background.\n");
printf(" -c filename Use configuration file. \n");
printf(" -a apid Used application id. \n");
printf(" Default: %s\n", DEFAULT_CONF_FILE);
printf(" -b type Used bus type. \n");
printf(" Session = 0, System = 1.\n");
printf(" -h This help message.\n");
}
/**
* Initialize command line options with default values.
*/
void init_cli_options(DltDBusCliOptions *options)
{
options->ConfigurationFileName = DEFAULT_CONF_FILE;
options->ApplicationId = 0;
options->BusType = 0;
options->Daemonize = 0;
}
/**
* Read command line options and set the values in provided structure
*/
int read_command_line(DltDBusCliOptions *options, int argc, char *argv[])
{
init_cli_options(options);
int opt;
while ((opt = getopt(argc, argv, "c:b:a:hd")) != -1)
switch (opt) {
case 'd':
{
options->Daemonize = 1;
break;
}
case 'b':
{
options->BusType = malloc(strlen(optarg) + 1);
MALLOC_ASSERT(options->BusType);
strcpy(options->BusType, optarg); /* strcpy uncritical here, because size matches exactly the size to be copied */
break;
}
case 'a':
{
options->ApplicationId = malloc(strlen(optarg) + 1);
MALLOC_ASSERT(options->ApplicationId);
strcpy(options->ApplicationId, optarg); /* strcpy uncritical here, because size matches exactly the size to be copied */
break;
}
case 'c':
{
options->ConfigurationFileName = malloc(strlen(optarg) + 1);
MALLOC_ASSERT(options->ConfigurationFileName);
strcpy(options->ConfigurationFileName, optarg); /* strcpy uncritical here, because size matches exactly the size to be copied */
break;
}
case 'h':
{
usage(argv[0]);
exit(0);
return -1; /*for parasoft */
}
default:
{
fprintf(stderr, "Unknown option '%c'\n", optopt);
usage(argv[0]);
return -1;
}
}
return 0;
}
/**
* Initialize configuration to default values.
*/
void init_configuration(DltDBusConfiguration *config)
{
/* Common */
config->ApplicationId = "IPC0";
/* DBus */
config->DBus.ContextId = "ALL";
config->DBus.BusType = 0;
config->DBus.FilterCount = 0;
}
/**
* Read options from the configuration file
*/
int read_configuration_file(DltDBusConfiguration *config, char *file_name)
{
FILE *file;
char *line, *token, *value, *filter, *pch;
int ret = 0;
char *filterBegin, *filterEnd;
init_configuration(config);
file = fopen(file_name, "r");
if (file == NULL) {
fprintf(stderr, "dlt-dbus-options, could not open configuration file.\n");
return -1;
}
line = malloc(MAX_LINE);
token = malloc(MAX_LINE);
value = malloc(MAX_LINE);
filter = malloc(MAX_LINE);
MALLOC_ASSERT(line);
MALLOC_ASSERT(token);
MALLOC_ASSERT(value);
MALLOC_ASSERT(filter);
while (fgets(line, MAX_LINE, file) != NULL) {
token[0] = 0;
value[0] = 0;
filter[0] = 0;
filterBegin = strchr(line, '=');
filterEnd = strpbrk (line, "\r\n");
if (filterBegin) {
if (filterEnd && (filterEnd > filterBegin)) {
strncpy(filter, filterBegin + 1, filterEnd - filterBegin - 1);
filter[filterEnd - filterBegin - 1] = 0;
}
else {
strcpy(filter, filterBegin + 1);
}
}
pch = strtok (line, " =\r\n");
while (pch != NULL) {
if (pch[0] == '#')
break;
if (token[0] == 0) {
strncpy(token, pch, MAX_LINE - 1);
token[MAX_LINE - 1] = 0;
}
else {
strncpy(value, pch, MAX_LINE);
value[MAX_LINE - 1] = 0;
break;
}
pch = strtok (NULL, " =\r\n");
}
if (token[0] && value[0]) {
/* Common */
if (strcmp(token, "ApplicationId") == 0) {
config->ApplicationId = malloc(strlen(value) + 1);
MALLOC_ASSERT(config->ApplicationId);
strcpy(config->ApplicationId, value); /* strcpy unritical here, because size matches exactly the size to be copied */
}
/* ContextId */
else if (strcmp(token, "ContextId") == 0)
{
config->DBus.ContextId = malloc(strlen(value) + 1);
MALLOC_ASSERT(config->DBus.ContextId);
strcpy(config->DBus.ContextId, value); /* strcpy unritical here, because size matches exactly the size to be copied */
}
/* BusType */
else if (strcmp(token, "BusType") == 0)
{
config->DBus.BusType = malloc(strlen(value) + 1);
MALLOC_ASSERT(config->DBus.BusType);
strcpy(config->DBus.BusType, value); /* strcpy unritical here, because size matches exactly the size to be copied */
}
/* BusType */
else if (strcmp(token, "FilterMatch") == 0)
{
if (config->DBus.FilterCount < DLT_DBUS_FILTER_MAX) {
config->DBus.FilterMatch[config->DBus.FilterCount] = malloc(strlen(filter) + 1);
MALLOC_ASSERT(config->DBus.FilterMatch[config->DBus.FilterCount]);
strcpy(config->DBus.FilterMatch[config->DBus.FilterCount], filter);
config->DBus.FilterCount++;
}
}
}
}
fclose(file);
free(value);
free(token);
free(filter);
free(line);
return ret;
}
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