Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

capability: add/use ignoreEINVAL #166

Closed
wants to merge 1 commit into from
Closed

capability: add/use ignoreEINVAL #166

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
23 changes: 11 additions & 12 deletions capability/capability_linux.go
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -343,13 +343,9 @@ func (c *capsV3) Apply(kind CapType) (err error) {
if c.Get(BOUNDING, i) {
continue
}
err = prctl(syscall.PR_CAPBSET_DROP, uintptr(i), 0, 0, 0)
// Ignore EINVAL since the capability may not be supported in this system.
err = ignoreEINVAL(prctl(syscall.PR_CAPBSET_DROP, uintptr(i), 0, 0, 0))
if err != nil {
// Ignore EINVAL since the capability may not be supported in this system.
if err == syscall.EINVAL { //nolint:errorlint // Errors from syscall are bare.
err = nil
continue
}
return
}
}
Expand All @@ -369,13 +365,9 @@ func (c *capsV3) Apply(kind CapType) (err error) {
if c.Get(AMBIENT, i) {
action = pr_CAP_AMBIENT_RAISE
}
err = prctl(pr_CAP_AMBIENT, action, uintptr(i), 0, 0)
// Ignore EINVAL as not supported on kernels before 4.3.
err = ignoreEINVAL(prctl(pr_CAP_AMBIENT, action, uintptr(i), 0, 0))
if err != nil {
// Ignore EINVAL as not supported on kernels before 4.3
if err == syscall.EINVAL { //nolint:errorlint // Errors from syscall are bare.
err = nil
continue
}
return
}
}
Expand Down Expand Up @@ -539,3 +531,10 @@ func (c *capsFile) Apply(kind CapType) (err error) {
}
return
}

func ignoreEINVAL(err error) error {
if errors.Is(err, syscall.EINVAL) {
err = nil
}
return err
}
Loading