71 lines
1.8 KiB
Go
71 lines
1.8 KiB
Go
//go:build openbsd
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// +build openbsd
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//
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// Copyright (c) 2019 Ted Unangst <tedu@tedunangst.com>
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//
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// Permission to use, copy, modify, and distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice appear in all copies.
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//
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// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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package main
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/*
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#include <stdlib.h>
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#include <unistd.h>
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*/
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import "C"
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import (
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"fmt"
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"unsafe"
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)
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func Unveil(path string, perms string) error {
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cpath := C.CString(path)
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defer C.free(unsafe.Pointer(cpath))
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cperms := C.CString(perms)
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defer C.free(unsafe.Pointer(cperms))
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rv, err := C.unveil(cpath, cperms)
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if rv != 0 {
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return fmt.Errorf("unveil(%s, %s) failure (%d)", path, perms, err)
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}
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return nil
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}
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func Pledge(promises string) error {
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cpromises := C.CString(promises)
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defer C.free(unsafe.Pointer(cpromises))
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rv, err := C.pledge(cpromises, nil)
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if rv != 0 {
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return fmt.Errorf("pledge(%s) failure (%d)", promises, err)
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}
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return nil
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}
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func init() {
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preservehooks = append(preservehooks, func() {
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Unveil("/etc/ssl", "r")
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if viewDir != dataDir {
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Unveil(viewDir, "r")
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}
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Unveil(dataDir, "rwc")
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C.unveil(nil, nil)
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Pledge("stdio rpath wpath cpath flock dns inet unix")
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})
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backendhooks = append(backendhooks, func() {
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C.unveil(nil, nil)
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Pledge("stdio unix")
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})
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}
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