// Copyright 2022 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// res_search, for cgo systems where that is thread-safe.

//go:build cgo && !netgo && (linux || openbsd)

package net

/*
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
#include <unistd.h>
#include <string.h>

	}
	defer _C_res_nclose(state)

	// Some res_nsearch implementations (like macOS) do not set errno.
	// They set h_errno, which is not per-thread and useless to us.
	// res_nsearch returns the size of the DNS response packet.
	// But if the DNS response packet contains failure-like response codes,
	// res_search returns -1 even though it has copied the packet into buf,

// Copyright 2022 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// res_nsearch, for cgo systems where that's available.

//go:build cgo && !netgo && unix && !(darwin || linux || openbsd)

package net

/*
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
#include <unistd.h>
#include <string.h>

func _C_res_ninit(state *_C_struct___res_state) error {
	unix.ResNinit(state)
	return nil
}

func _C_res_nsearch(state *_C_struct___res_state, dname *_C_char, class, typ int, ans *_C_char, anslen int) int {
	x, _ := unix.ResNsearch(state, dname, class, typ, ans, anslen)
	return x
}

func _C_res_nclose(state *_C_struct___res_state) {
	unix.ResNclose(state)
}

func cgoNameinfoPTR(b []byte, sa *syscall.RawSockaddr, salen int) (int, error) {

		uintptr(unsafe.Pointer(state)),
		0, 0)
}

//go:cgo_import_dynamic libresolv_res_9_nsearch res_9_nsearch "/usr/lib/libresolv.9.dylib"
func libresolv_res_9_nsearch_trampoline()

func ResNsearch(state *ResState, dname *byte, class, typ int, ans *byte, anslen int) (int, error) {
	r1, _, errno := syscall_syscall6(abi.FuncPCABI0(libresolv_res_9_nsearch_trampoline),
		uintptr(unsafe.Pointer(state)),

// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package ssa

// from https://research.swtch.com/sparse
// in turn, from Briggs and Torczon

type sparseSet struct {
	dense  []ID
	sparse []int32
}

// newSparseSet returns a sparseSet that can represent
// integers between 0 and n-1.
func newSparseSet(n int) *sparseSet {

     *
     * This code is used for path traversal, ZipSlip and TarSlip detection.
     *
     * <b>IMPLEMENTATION NOTE</b>
     * We do it this way instead of the way recommended in <a href="https://snyk.io/research/zip-slip-vulnerability"></a>
     * for performance reasons, calling {@link File#getCanonicalPath()} is too expensive.
     *
     * @throws IllegalArgumentException if the entry contains vulnerable sequences
     */

// Copyright 2022 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package ssa

import "cmd/internal/src"

// from https://research.swtch.com/sparse
// in turn, from Briggs and Torczon

type sparseEntryPos struct {
	key ID
	val int32
	pos src.XPos
}

type sparseMapPos struct {
	dense  []sparseEntryPos
	sparse []int32
}

// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package ssa

// from https://research.swtch.com/sparse
// in turn, from Briggs and Torczon

type sparseEntry struct {
	key ID
	val int32
}

type sparseMap struct {
	dense  []sparseEntry
	sparse []int32
}

// newSparseMap returns a sparseMap that can map

import java.util.zip.ZipEntry
import java.util.zip.ZipFile
import java.util.zip.ZipOutputStream

/**
 * Ensures Gradle core tasks and types are not subject to the
 * <a href="https://snyk.io/research/zip-slip-vulnerability">Zip Slip Vulnerability</a>.
 */
class PathTraversalCheckerIntegrationTest extends AbstractIntegrationSpec {

    private TestFile getEvilZip() {
        file("evil.zip")
    }