https://github.com/msantos/libnoexec

Prevent dynamically linked executables from calling exec(3)
https://github.com/msantos/libnoexec

exec ldpreload seccomp

Last synced: about 2 months ago
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Prevent dynamically linked executables from calling exec(3)

• Host: GitHub
• URL: https://github.com/msantos/libnoexec
• Owner: msantos
• License: isc
• Created: 2022-04-25T12:58:28.000Z (about 3 years ago)
• Default Branch: main
• Last Pushed: 2023-05-17T10:44:17.000Z (about 2 years ago)
• Last Synced: 2025-02-13T05:30:10.632Z (4 months ago)
• Topics: exec, ldpreload, seccomp
• Language: C
• Size: 4.88 KB
• Stars: 2
• Watchers: 2
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# libnoexec

libnoexec: disable exec(3) for dynamically linked executables

# DESCRIPTION

libnoexec prevents dynamically linked executables from calling exec(3).

# EXAMPLES

```

$ LD_PRELOAD=libnoexec.so sh -c "ls"

sh: 1: ls: Permission denied

# echo is a shell builtin

$ LD_PRELOAD=libnoexec.so sh -c "echo test"

test

```

# ENVIRONMENT VARIABLES

None.