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The github.com/moby/sys/capability package is a fork of the original one, which apparently is no longer maintained. Note that "workaround for RHEL6" is removed for a number of reasons. Feel free to choose the one you like the most, either is sufficient: 1. /proc/sys/kernel/cap_last_cap is available since RHEL 6.7 (kernel 2.6.32-573.el6), released 9 years ago (2015-07-22). 2. It incorrectly returns CAP_BLOCK_SUSPEND (36), which was only added in kernel v3.5 and was never backported to RHEL6 kernels. The correct value for RHEL6 would be CAP_MAC_ADMIN (33). 3. As far as upstream kernels go, /proc/sys/kernel/cap_last_cap was added in kernel v3.2, and a correct value depends on the kernel version. It could be CAP_WAKE_ALARM (35), added to kernel v3.0, or CAP_SYSLOG (34), added to kernel v2.6.38, or possibly a lesser value for even older kernels. Bump go to 1.21 in go.mod since this is the minimally required version for moby/sys/capability. Signed-off-by: Kir Kolyshkin <[email protected]>
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package capabilities | ||
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import ( | ||
"github.com/moby/sys/capability" | ||
) | ||
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// LastCap returns last cap of system. | ||
// | ||
// Deprecated: use github.com/moby/sys/capability.LastCap instead. | ||
func LastCap() capability.Cap { | ||
last, err := capability.LastCap() | ||
if err != nil { | ||
return -1 | ||
} | ||
return last | ||
} |
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