David Benjamin
ece1f86968
This reverts commit bab2f96e26. This
clears the sea of red in my editor.
Change-Id: I600ef6c36556fb526da729f0f0d8bc69db5c5a08
Reviewed-on: https://boringssl-review.googlesource.com/c/boringssl/+/59186
Reviewed-by: Adam Langley <agl@google.com>
Commit-Queue: David Benjamin <davidben@google.com>
48 lines
1.4 KiB
Go
48 lines
1.4 KiB
Go
// Copyright (c) 2022, Google Inc.
|
|
//
|
|
// Permission to use, copy, modify, and/or distribute this software for any
|
|
// purpose with or without fee is hereby granted, provided that the above
|
|
// copyright notice and this permission notice appear in all copies.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
|
// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
|
// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
|
|
// SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
|
// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
|
|
// OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
|
|
// CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
|
|
//go:build ignore
|
|
|
|
// check_stack.go checks that each of its arguments has a non-executable stack.
|
|
// See https://www.airs.com/blog/archives/518 for details.
|
|
package main
|
|
|
|
import (
|
|
"debug/elf"
|
|
"fmt"
|
|
"os"
|
|
)
|
|
|
|
func checkStack(path string) {
|
|
file, err := elf.Open(path)
|
|
if err != nil {
|
|
fmt.Fprintf(os.Stderr, "Error opening %s: %s\n", path, err)
|
|
os.Exit(1)
|
|
}
|
|
defer file.Close()
|
|
|
|
for _, prog := range file.Progs {
|
|
if prog.Type == elf.PT_GNU_STACK && prog.Flags&elf.PF_X != 0 {
|
|
fmt.Fprintf(os.Stderr, "%s has an executable stack.\n", path)
|
|
os.Exit(1)
|
|
}
|
|
}
|
|
}
|
|
|
|
func main() {
|
|
for _, path := range os.Args[1:] {
|
|
checkStack(path)
|
|
}
|
|
}
|