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| author | Michael Kerrisk <mtk.manpages@gmail.com> | 2018-12-23 18:55:33 +0100 |
|---|---|---|
| committer | Michael Kerrisk <mtk.manpages@gmail.com> | 2018-12-23 19:09:33 +0100 |
| commit | 421d34c63217b119c61364843956e4b437e36c5b (patch) | |
| tree | 1533429bcf22963e3e28ad03ab10dcca69640d4f /man7/unix.7 | |
| parent | 3d3cddde9418e9d1c45122a41fb29d0e69db8dc8 (diff) | |
| download | man-pages-421d34c63217b119c61364843956e4b437e36c5b.tar.gz | |
unix.7: Clarify that SO_PASSCRED behavior
Clarify that SO_PASSCRED results in SCM_CREDENTIALS data in each
subsequently received message.
See https://bugzilla.kernel.org/show_bug.cgi?id=201805
Reported-by: Felipe Gasper <felipe@felipegasper.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
Diffstat (limited to 'man7/unix.7')
| -rw-r--r-- | man7/unix.7 | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/man7/unix.7 b/man7/unix.7 index 1bc7804f0a..d9341a119f 100644 --- a/man7/unix.7 +++ b/man7/unix.7 @@ -280,10 +280,16 @@ by specifying as the socket family. .TP .B SO_PASSCRED -This socket option enables receipt -of the credentials of the sending process in an -.BR SCM_CREDENTIALS -ancillary message. +This socket option enables receipt of the credentials of +the sending process in an +.B SCM_CREDENTIALS ancillary +message in each subsequently message. +The returned credentials are those specified by the sender using +.BR SCM_CREDENTIALS , +or a default that includes the sender's PID, real user ID, and real group ID, +if the sender did not specify +.B SCM_CREDENTIALS +ancillary data. .IP When this option is set and the socket is not yet connected, a unique name in the abstract namespace will be generated automatically. |