00b67f09dd
Also known as ISC bind. This import adds utilities such as host(1), dig(1), and nslookup(1), as well as many other tools and libraries. Change-Id: I035ca46e64f1965d57019e773f4ff0ef035e4aa3
320 lines
9.8 KiB
C++
320 lines
9.8 KiB
C++
//
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// Automated Testing Framework (atf)
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//
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// Copyright (c) 2007 The NetBSD Foundation, Inc.
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions
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// are met:
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// 1. Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// 2. Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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//
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// THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND
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// CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
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// INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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// IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY
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// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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// GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
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// IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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// OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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// IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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extern "C" {
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#include <sys/param.h>
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#include <sys/sysctl.h>
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}
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#include <cerrno>
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#include <cstring>
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#include <stdexcept>
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extern "C" {
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#include "atf-c/defs.h"
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}
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#include "atf-c++/config.hpp"
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#include "atf-c++/detail/fs.hpp"
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#include "atf-c++/detail/env.hpp"
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#include "atf-c++/detail/sanity.hpp"
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#include "atf-c++/detail/text.hpp"
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#include "requirements.hpp"
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#include "user.hpp"
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namespace impl = atf::atf_run;
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namespace {
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static
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bool
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has_program(const atf::fs::path& program)
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{
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bool found = false;
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if (program.is_absolute()) {
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found = atf::fs::is_executable(program);
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} else {
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if (program.str().find('/') != std::string::npos)
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throw std::runtime_error("Relative paths are not allowed "
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"when searching for a program (" +
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program.str() + ")");
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const std::vector< std::string > dirs = atf::text::split(
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atf::env::get("PATH"), ":");
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for (std::vector< std::string >::const_iterator iter = dirs.begin();
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!found && iter != dirs.end(); iter++) {
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const atf::fs::path& p = atf::fs::path(*iter) / program;
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if (atf::fs::is_executable(p))
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found = true;
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}
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}
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return found;
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}
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static
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std::string
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check_arch(const std::string& arches)
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{
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const std::vector< std::string > v = atf::text::split(arches, " ");
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for (std::vector< std::string >::const_iterator iter = v.begin();
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iter != v.end(); iter++) {
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if ((*iter) == atf::config::get("atf_arch"))
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return "";
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}
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if (v.size() == 1)
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return "Requires the '" + arches + "' architecture";
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else
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return "Requires one of the '" + arches + "' architectures";
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}
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static
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std::string
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check_config(const std::string& variables, const atf::tests::vars_map& config)
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{
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const std::vector< std::string > v = atf::text::split(variables, " ");
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for (std::vector< std::string >::const_iterator iter = v.begin();
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iter != v.end(); iter++) {
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if (config.find((*iter)) == config.end())
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return "Required configuration variable '" + (*iter) + "' not "
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"defined";
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}
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return "";
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}
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static
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std::string
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check_files(const std::string& progs)
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{
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const std::vector< std::string > v = atf::text::split(progs, " ");
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for (std::vector< std::string >::const_iterator iter = v.begin();
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iter != v.end(); iter++) {
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const atf::fs::path file(*iter);
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if (!file.is_absolute())
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throw std::runtime_error("Relative paths are not allowed when "
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"checking for a required file (" + file.str() + ")");
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if (!atf::fs::exists(file))
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return "Required file '" + file.str() + "' not found";
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}
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return "";
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}
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static
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std::string
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check_machine(const std::string& machines)
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{
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const std::vector< std::string > v = atf::text::split(machines, " ");
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for (std::vector< std::string >::const_iterator iter = v.begin();
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iter != v.end(); iter++) {
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if ((*iter) == atf::config::get("atf_machine"))
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return "";
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}
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if (v.size() == 1)
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return "Requires the '" + machines + "' machine type";
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else
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return "Requires one of the '" + machines + "' machine types";
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}
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#if defined(__APPLE__) || defined(__NetBSD__)
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static
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std::string
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check_memory_sysctl(const int64_t needed, const char* sysctl_variable)
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{
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int64_t available;
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std::size_t available_length = sizeof(available);
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if (::sysctlbyname(sysctl_variable, &available, &available_length,
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NULL, 0) == -1) {
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const char* e = std::strerror(errno);
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return "Failed to get sysctl(hw.usermem64) value: " + std::string(e);
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}
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if (available < needed) {
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return "Not enough memory; needed " + atf::text::to_string(needed) +
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", available " + atf::text::to_string(available);
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} else
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return "";
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}
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# if defined(__APPLE__)
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static
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std::string
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check_memory_darwin(const int64_t needed)
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{
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return check_memory_sysctl(needed, "hw.usermem");
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}
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# elif defined(__NetBSD__)
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static
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std::string
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check_memory_netbsd(const int64_t needed)
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{
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return check_memory_sysctl(needed, "hw.usermem64");
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}
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# else
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# error "Conditional error"
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# endif
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#else
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static
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std::string
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check_memory_unknown(const int64_t needed ATF_DEFS_ATTRIBUTE_UNUSED)
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{
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return "";
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}
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#endif
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static
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std::string
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check_memory(const std::string& raw_memory)
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{
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const int64_t needed = atf::text::to_bytes(raw_memory);
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#if defined(__APPLE__)
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return check_memory_darwin(needed);
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#elif defined(__NetBSD__)
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return check_memory_netbsd(needed);
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#else
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return check_memory_unknown(needed);
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#endif
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}
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static
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std::string
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check_progs(const std::string& progs)
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{
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const std::vector< std::string > v = atf::text::split(progs, " ");
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for (std::vector< std::string >::const_iterator iter = v.begin();
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iter != v.end(); iter++) {
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if (!has_program(atf::fs::path(*iter)))
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return "Required program '" + (*iter) + "' not found in the PATH";
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}
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return "";
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}
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static
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std::string
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check_user(const std::string& user, const atf::tests::vars_map& config)
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{
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if (user == "root") {
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if (!impl::is_root())
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return "Requires root privileges";
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else
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return "";
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} else if (user == "unprivileged") {
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if (impl::is_root()) {
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const atf::tests::vars_map::const_iterator iter = config.find(
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"unprivileged-user");
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if (iter == config.end())
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return "Requires an unprivileged user and the "
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"'unprivileged-user' configuration variable is not set";
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else {
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const std::string& unprivileged_user = (*iter).second;
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try {
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(void)impl::get_user_ids(unprivileged_user);
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return "";
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} catch (const std::runtime_error& e) {
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return "Failed to get information for user " +
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unprivileged_user;
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}
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}
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} else
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return "";
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} else
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throw std::runtime_error("Invalid value '" + user + "' for property "
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"require.user");
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}
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} // anonymous namespace
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std::string
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impl::check_requirements(const atf::tests::vars_map& metadata,
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const atf::tests::vars_map& config)
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{
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std::string failure_reason = "";
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for (atf::tests::vars_map::const_iterator iter = metadata.begin();
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failure_reason.empty() && iter != metadata.end(); iter++) {
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const std::string& name = (*iter).first;
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const std::string& value = (*iter).second;
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INV(!value.empty()); // Enforced by application/X-atf-tp parser.
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if (name == "require.arch")
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failure_reason = check_arch(value);
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else if (name == "require.config")
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failure_reason = check_config(value, config);
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else if (name == "require.files")
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failure_reason = check_files(value);
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else if (name == "require.machine")
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failure_reason = check_machine(value);
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else if (name == "require.memory")
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failure_reason = check_memory(value);
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else if (name == "require.progs")
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failure_reason = check_progs(value);
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else if (name == "require.user")
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failure_reason = check_user(value, config);
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else {
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// Unknown require.* properties are forbidden by the
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// application/X-atf-tp parser.
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INV(failure_reason.find("require.") != 0);
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}
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}
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return failure_reason;
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}
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std::pair< int, int >
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impl::get_required_user(const atf::tests::vars_map& metadata,
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const atf::tests::vars_map& config)
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{
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const atf::tests::vars_map::const_iterator user = metadata.find(
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"require.user");
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if (user == metadata.end())
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return std::make_pair(-1, -1);
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if ((*user).second == "unprivileged") {
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if (impl::is_root()) {
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const atf::tests::vars_map::const_iterator iter = config.find(
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"unprivileged-user");
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try {
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return impl::get_user_ids((*iter).second);
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} catch (const std::exception& e) {
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UNREACHABLE; // This has been validated by check_user.
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throw e;
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}
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} else {
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return std::make_pair(-1, -1);
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}
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} else
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return std::make_pair(-1, -1);
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}
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