[v18] MWI: Fix missing O_CLOEXEC in botfs.openSecure() and other issues#55502
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timothyb89 merged 4 commits intobranch/v18from Jun 26, 2025
Merged
[v18] MWI: Fix missing O_CLOEXEC in botfs.openSecure() and other issues#55502timothyb89 merged 4 commits intobranch/v18from
botfs.openSecure() and other issues#55502timothyb89 merged 4 commits intobranch/v18from
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This fixes various issues in botfs's `openSecure` implementation for Linux, particularly: - Added missing `O_CLOEXEC` flag to `openat2()` flags - Added EINTR retry loop to follow the stdlib's `OpenFile()` implementation. - Remove `O_CREATE` from `ReadFlags`, and convert it to a pseudo-enum so we can accurately predict intent (see next item) - Pass `0` mode to `openat2()` when reading (see above) - Renamed confusingly named `OpenMode` to `OpenFlags`, because it corresponds to flags, not file modes. - Fixed coincidentally correct misuse of `unix.O_RDONLY` Note that while removing `O_CREATE` from read flags is technically a breaking change, we still automatically files downstream as needed. This results in a "new" debug-level log, but not any actual behavior change.
espadolini
approved these changes
Jun 6, 2025
strideynet
approved these changes
Jun 6, 2025
tigrato
approved these changes
Jun 6, 2025
zmb3
approved these changes
Jun 26, 2025
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Backport #55411 to branch/v18
changelog: The
tbotclient now ensures theO_CLOEXECflag is used when opening files on Linux hosts