[Rpm-maint] [rpm-software-management/rpm] rpm --setcaps sets empty security.capability when there is no caps (#585)

Markus Linnala notifications at github.com
Sun Oct 28 12:59:28 UTC 2018


$ sudo strace -o '|grep xattr' -f setcap "" /usr/bin/ul
2542  setxattr("/usr/bin/ul", "security.capability", "\0\0\0\2\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0", 20, 0) = 0
$ sudo strace -o '|grep xattr' -f setcap -r /usr/bin/ul
2647  removexattr("/usr/bin/ul", "security.capability") = 0
$ sudo rpm --setcaps util-linux
$ sudo strace -o '|grep xattr' -f getcap /usr/bin/ul
3394  getxattr("/usr/bin/ul", "security.capability", "\0\0\0\2\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0", 20) = 20
/usr/bin/ul =
$ ls --color=auto /usr/bin/ul
/usr/bin/ul
$ grep -i cap /etc/DIR_COLORS
CAPABILITY 30;41	# file with capability
$ ls -l $(rpm -ql util-linux)
every file is using red background

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