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Set FD_CLOEXEC on sockets created by curl

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Curl creates sockets without setting FD_CLOEXEC/SOCK_CLOEXEC, this can
cause connections to remain open forever when using commands like `nix
shell`

This change sets the FD_CLOEXEC flag using a CURLOPT_SOCKOPTFUNCTION
callback.

(cherry picked from commit 12d2527276)
This commit is contained in:
MaxHearnden 2025-02-09 20:53:58 +00:00 • committed by Mergify
parent 029dd96b8b
commit cd149b56c7
2 changed files with 22 additions and 0 deletions
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10
doc/manual/rl-next/curl-cloexec.md Normal file
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---
synopsis: Set FD_CLOEXEC on sockets created by curl
issues: []
prs: [12439]
---
Curl creates sockets without setting FD_CLOEXEC/SOCK_CLOEXEC, this can cause connections to remain open forever when using commands like `nix shell`
This change sets the FD_CLOEXEC flag using a CURLOPT_SOCKOPTFUNCTION callback.