Mirror of BoringSSL (grpc依赖)
https://boringssl.googlesource.com/boringssl
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45 lines
1.4 KiB
45 lines
1.4 KiB
// Copyright (c) 2022, Google Inc. |
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// |
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// Permission to use, copy, modify, and/or 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 ANY |
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// 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 ACTION |
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// OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN |
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// CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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// check_stack.go checks that each of its arguments has a non-executable stack. |
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// See https://www.airs.com/blog/archives/518 for details. |
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package main |
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import ( |
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"debug/elf" |
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"fmt" |
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"os" |
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) |
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func checkStack(path string) { |
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file, err := elf.Open(path) |
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if err != nil { |
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fmt.Fprintf(os.Stderr, "Error opening %s: %s\n", path, err) |
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os.Exit(1) |
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} |
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defer file.Close() |
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for _, prog := range file.Progs { |
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if prog.Type == elf.PT_GNU_STACK && prog.Flags&elf.PF_X != 0 { |
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fmt.Fprintf(os.Stderr, "%s has an executable stack.\n", path) |
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os.Exit(1) |
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} |
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} |
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} |
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func main() { |
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for _, path := range os.Args[1:] { |
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checkStack(path) |
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} |
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}
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