rights.4: various corrections on capability rights #1207
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- A file descriptor obtained from accept(2), accept4(2) and openat(2) is not always assigned all capability rights. Instead, it inherits capability rights from the "parent" socket/dir file descriptor. - getdents(2) and getdirentries(2) requires CAP_READ. - openat(2) with O_WRONLY|O_TRUNC does not require CAP_SEEK.
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Quick checks of the kernel match the manual, as well as common sense... |
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- A file descriptor obtained from accept(2), accept4(2) and openat(2) is not always assigned all capability rights. Instead, it inherits capability rights from the "parent" socket/dir file descriptor. - getdents(2) and getdirentries(2) requires CAP_READ. - openat(2) with O_WRONLY|O_TRUNC does not require CAP_SEEK. Reviewed by: imp Pull Request: #1207
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accept(2),accept4(2)andopenat(2)is not always assigned all capability rights. Instead, it inherits capability rights from the "parent" socket/dir file descriptor.getdents(2)andgetdirentries(2)requiresCAP_READ.openat(2)withO_WRONLY|O_TRUNCdoes not requireCAP_SEEK. See 943c3bb.