175 lines
3.6 KiB
C
175 lines
3.6 KiB
C
/*
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* Copyright (C) 2017 Andreas Steffen
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* HSR Hochschule fuer Technik Rapperswil
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*/
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#define _GNU_SOURCE
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#include <stdio.h>
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#include "swid_gen_info.h"
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#include <library.h>
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#include <utils/lexparser.h>
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typedef struct private_swid_gen_info_t private_swid_gen_info_t;
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/**
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* Private data of an swid_gen_info_t object.
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*/
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struct private_swid_gen_info_t {
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/**
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* Public members of swid_gen_info_state_t
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*/
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swid_gen_info_t public;
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/**
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* tagCreator
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*/
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char *tag_creator;
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/**
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* OS string 'Name_Version-Arch'
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*/
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char *os;
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/**
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* Product string 'Name Version Arch'
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*/
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char *product;
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/**
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* OS info about endpoint
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*/
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imc_os_info_t *os_info;
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};
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/**
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* Replaces invalid character by a valid one
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*/
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static void sanitize_uri(char *uri, char a, char b)
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{
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char *pos = uri;
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while (TRUE)
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{
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pos = strchr(pos, a);
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if (!pos)
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{
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break;
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}
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*pos = b;
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pos++;
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}
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}
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METHOD(swid_gen_info_t, get_os_type, os_type_t,
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private_swid_gen_info_t *this)
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{
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return this->os_info->get_type(this->os_info);
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}
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METHOD(swid_gen_info_t, get_os, char*,
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private_swid_gen_info_t *this, char **product)
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{
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if (product)
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{
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*product = this->product;
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}
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return this->os;
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}
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METHOD(swid_gen_info_t, create_sw_id, char*,
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private_swid_gen_info_t *this, char *package, char *version)
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{
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char *sw_id;
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if (asprintf(&sw_id, "%s__%s-%s%s%s", this->tag_creator, this->os,
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package, strlen(version) ? "-" : "", version) == -1)
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{
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return NULL;
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}
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sanitize_uri(sw_id, ':', '~');
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sanitize_uri(sw_id, '+', '~');
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return sw_id;
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}
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METHOD(swid_gen_info_t, destroy, void,
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private_swid_gen_info_t *this)
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{
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this->os_info->destroy(this->os_info);
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free(this->os);
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free(this->product);
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free(this->tag_creator);
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free(this);
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}
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/**
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* Described in header.
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*/
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swid_gen_info_t *swid_gen_info_create(void)
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{
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private_swid_gen_info_t *this;
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chunk_t os_name, os_version, os_arch;
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char *tag_creator;
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tag_creator = lib->settings->get_str(lib->settings,
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"libimcv.swid_gen.tag_creator.regid", "strongswan.org");
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INIT(this,
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.public = {
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.get_os_type = _get_os_type,
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.get_os = _get_os,
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.create_sw_id = _create_sw_id,
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.destroy = _destroy,
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},
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.os_info = imc_os_info_create(),
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.tag_creator = strdup(tag_creator),
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);
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os_name = this->os_info->get_name(this->os_info);
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os_arch = this->os_info->get_version(this->os_info);
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/* get_version() returns version followed by arch */
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if (!extract_token(&os_version, ' ', &os_arch))
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{
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DBG1(DBG_IMC, "separation of OS version from arch failed");
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destroy(this);
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return NULL;
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}
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/* construct OS string */
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if (asprintf(&this->os, "%.*s_%.*s-%.*s", (int)os_name.len, os_name.ptr,
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(int)os_version.len, os_version.ptr, (int)os_arch.len,
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os_arch.ptr) == -1)
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{
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DBG1(DBG_IMC, "constructon of OS string failed");
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destroy(this);
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return NULL;
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}
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/* construct product string */
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if (asprintf(&this->product, "%.*s %.*s %.*s", (int)os_name.len,
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os_name.ptr, (int)os_version.len, os_version.ptr,
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(int)os_arch.len, os_arch.ptr) == -1)
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{
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DBG1(DBG_IMC, "constructon of product string failed");
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destroy(this);
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return NULL;
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}
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return &this->public;
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}
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