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Add unexported unlinkat, openat, and fstatat calls, so that
the internal/syscall/unix package can use them.
Change-Id: I1df81ecae6427211dd392ec68c9f020fe131a526
Reviewed-on: https://go-review.googlesource.com/c/148457
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
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Follow CL 146020 and enable RemoveAll based on Unlinkat and Openat on
freebsd.
Since the layout of syscall.Stat_t changes in FreeBSD 12, Fstatat needs
a compatibility wrapper akin to Fstatat in x/sys/unix. See CL 138595 and
CL 136816 for details.
Updates #27029
Change-Id: I8851a5b7fa658eaa6e69a1693150b16d9a68f36a
Reviewed-on: https://go-review.googlesource.com/c/146597
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Yuval Pavel Zholkover <paulzhol@gmail.com>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
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On unix systems, long enough path names will fail when performing syscalls
like `Lstat`. The current RemoveAll uses several of these syscalls, and so
will fail for long paths. This can be risky, as it can let users "hide"
files from the system or otherwise make long enough paths for programs
to fail. By using `Unlinkat` and `Openat` syscalls instead, RemoveAll is
safer on unix systems. Initially implemented for linux, darwin, dragonfly,
netbsd and openbsd. Not yet implemented on freebsd due to fstatat 64-bit
inode compatibility issues.
Fixes #27029
Co-authored-by: Giuseppe Capizzi <gcapizzi@pivotal.io>
Co-authored-by: Julia Nedialkova <yulia.nedyalkova@sap.com>
Change-Id: I978a6a4986878fe076d3c7af86e7927675624a96
GitHub-Last-Rev: 9235489c81b90c228210144b7c25b28a46bb80b7
GitHub-Pull-Request: golang/go#28494
Reviewed-on: https://go-review.googlesource.com/c/146020
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
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This reverts commit 85143d355493c6bba994d49ed154b4df8b78874b.
Reason for revert: Breaking all Darwin and FreeBSD builds. Trybots did not pass for this.
Change-Id: I5494e14ad5ab9cf6e1e225a25b2e8b38f3359d13
Reviewed-on: https://go-review.googlesource.com/c/145897
Reviewed-by: Katie Hockman <katie@golang.org>
Run-TryBot: Katie Hockman <katie@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
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On unix systems, long enough path names will fail when performing syscalls
like `Lstat`. The current RemoveAll uses several of these syscalls, and so
will fail for long paths. This can be risky, as it can let users "hide"
files from the system or otherwise make long enough paths for programs
to fail. By using `Unlinkat` and `Openat` syscalls instead, RemoveAll is
safer on unix systems. Initially implemented for linux, darwin, and several bsds.
Fixes #27029
Co-authored-by: Giuseppe Capizzi <gcapizzi@pivotal.io>
Co-authored-by: Julia Nedialkova <yulia.nedyalkova@sap.com>
Change-Id: Id9fcdf4775962b021b7ff438dc51ee6d16bb5f56
GitHub-Last-Rev: b30a621fe359fa2acbb055445b54202b0c508167
GitHub-Pull-Request: golang/go#27871
Reviewed-on: https://go-review.googlesource.com/c/137442
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
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