icwmp/common.c

/*
 *	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.
 *
 *	Copyright (C) 2013-2020 iopsys Software Solutions AB
 *	  Author Omar Kallel <omar.kallel@pivasoftware.com>
 *
 */
#include <getopt.h>
#include <sys/stat.h>
#include "common.h"

char *commandKey = NULL;

struct option cwmp_long_options[] = { { "boot-event", no_argument, NULL, 'b' },
				      { "get-rpc-methods", no_argument, NULL, 'g' },
				      { "command-input", no_argument, NULL, 'c' },
				      { "shell-cli", required_argument, NULL, 'm' },
				      { "alias-based-addressing", no_argument, NULL, 'a' },
				      { "instance-mode-number", no_argument, NULL, 'N' },
				      { "instance-mode-alias", no_argument, NULL, 'A' },
				      { "upnp", no_argument, NULL, 'U' },
				      { "user-acl", required_argument, NULL, 'u' },
				      { "amendment", required_argument, NULL, 'M' },
				      { "time-tracking", no_argument, NULL, 't' },
				      { "evaluating-test", no_argument, NULL, 'E' },
				      { "file", required_argument, NULL, 'f' },
				      { "wep", required_argument, NULL, 'w' },
				      { "help", no_argument, NULL, 'h' },
				      { "version", no_argument, NULL, 'v' },
				      { NULL, 0, NULL, 0 } };

static void show_help(void)
{
	printf("Usage: icwmpd [OPTIONS]\n");
	printf(" -b, --boot-event                                    (CWMP daemon) Start CWMP with BOOT event\n");
	printf(" -g, --get-rpc-methods                               (CWMP daemon) Start CWMP with GetRPCMethods request to ACS\n");
	printf(" -h, --help                                          Display this help text\n");
	printf(" -v, --version                                       Display the version\n");
}

static void show_version()
{
#ifndef CWMP_REVISION
	fprintf(stdout, "\nVersion: %s\n\n", CWMP_VERSION);
#else
	fprintf(stdout, "\nVersion: %s revision %s\n\n", CWMP_VERSION, CWMP_REVISION);
#endif
}

int global_env_init(int argc, char **argv, struct env *env)
{
	int c, option_index = 0;

	while ((c = getopt_long(argc, argv, "bghv", cwmp_long_options, &option_index)) != -1) {
		switch (c) {
		case 'b':
			env->boot = CWMP_START_BOOT;
			break;

		case 'g':
			env->periodic = CWMP_START_PERIODIC;
			break;

		case 'h':
			show_help();
			exit(0);

		case 'v':
			show_version();
			exit(0);
		}
	}
	return CWMP_OK;
}

void add_dm_parameter_tolist(struct list_head *head, char *param_name, char *param_data, char *param_type)
{
	struct cwmp_dm_parameter *dm_parameter;
	struct list_head *ilist;
	int cmp;
	list_for_each (ilist, head) {
		dm_parameter = list_entry(ilist, struct cwmp_dm_parameter, list);
		cmp = strcmp(dm_parameter->name, param_name);
		if (cmp == 0) {
			if (param_data && strcmp(dm_parameter->data, param_data) != 0) {
				free(dm_parameter->data);
				dm_parameter->data = strdup(param_data);
			}
			return;
		} else if (cmp > 0) {
			break;
		}
	}
	dm_parameter = calloc(1, sizeof(struct cwmp_dm_parameter));
	_list_add(&dm_parameter->list, ilist->prev, ilist);
	if (param_name)
		dm_parameter->name = strdup(param_name);
	if (param_data)
		dm_parameter->data = strdup(param_data);
	if (param_type)
		dm_parameter->type = strdup(param_type ? param_type : "xsd:string");
}

void delete_dm_parameter_fromlist(struct cwmp_dm_parameter *dm_parameter)
{
	list_del(&dm_parameter->list);
	free(dm_parameter->name);
	free(dm_parameter->data);
	free(dm_parameter->type);
	free(dm_parameter);
}

void free_dm_parameter_all_fromlist(struct list_head *list)
{
	struct cwmp_dm_parameter *dm_parameter;
	while (list->next != list) {
		dm_parameter = list_entry(list->next, struct cwmp_dm_parameter, list);
		delete_dm_parameter_fromlist(dm_parameter);
	}
}

void cwmp_add_list_fault_param(char *param, int fault, struct list_head *list_set_value_fault)
{
	struct cwmp_param_fault *param_fault;
	if (param == NULL)
		param = "";

	param_fault = calloc(1, sizeof(struct cwmp_param_fault));
	list_add_tail(&param_fault->list, list_set_value_fault);
	param_fault->name = strdup(param);
	param_fault->fault = fault;
}

void cwmp_del_list_fault_param(struct cwmp_param_fault *param_fault)
{
	list_del(&param_fault->list);
	free(param_fault->name);
	free(param_fault);
}

void cwmp_add_list_param_value(char *param, char *value, struct list_head *list_param_value)
{
	struct cwmp_param_value *param_value = NULL;
	if (param == NULL)
		param = "";

	param_value = calloc(1, sizeof(struct cwmp_param_value));
	list_add_tail(&param_value->list, list_param_value);
	param_value->param = strdup(param);
	param_value->value = strdup(value ? value : "");
}

void cwmp_del_list_param_value(struct cwmp_param_value *param_value)
{
	list_del(&param_value->list);
	free(param_value->param);
	free(param_value->value);
	free(param_value);
}

void cwmp_free_all_list_param_value(struct list_head *list_param_value)
{
	struct cwmp_param_value *param_value;
	while (list_param_value->next != list_param_value) {
		param_value = list_entry(list_param_value->next, struct cwmp_param_value, list);
		cwmp_del_list_param_value(param_value);
	}
}

bool file_exists(const char *path)
{
	struct stat buffer;

	return stat(path, &buffer) == 0;
}