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rpc: fix getsockopt for LOCAL_PEERCRED on Mac OS X

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This fixes the following error:
  error : virGetUserEnt:703 : Failed to find user record for uid '32654'

'32654' (it's random and varies) comes from getsockopt with
LOCAL_PEERCRED option. getsockopt returns w/o error but seems
to not set any value to the buffer for uid.

For Mac OS X, LOCAL_PEERCRED has to be used with SOL_LOCAL level.
With SOL_LOCAL, getsockopt returns a correct uid.

Note that SOL_LOCAL can be found in
/System/Library/Frameworks/Kernel.framework/Versions/A/Headers/sys/un.h.

Signed-off-by: Ryota Ozaki <ozaki.ryota@gmail.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
(cherry picked from commit 5a468b38b6)
This commit is contained in:
Ryota Ozaki 2013-10-05 14:56:36 +09:00 committed by Cole Robinson
parent 5395f0b5ad
commit e3fb8465ec
1 changed files with 4 additions and 0 deletions
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4
src/rpc/virnetsocket.c
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@ -1159,7 +1159,11 @@ int virNetSocketGetUNIXIdentity(virNetSocketPtr sock,
socklen_t cr_len = sizeof(cr);
virObjectLock(sock);
# if defined(__APPLE__)
if (getsockopt(sock->fd, SOL_LOCAL, LOCAL_PEERCRED, &cr, &cr_len) < 0) {
# else
if (getsockopt(sock->fd, SOL_SOCKET, LOCAL_PEERCRED, &cr, &cr_len) < 0) {
# endif
virReportSystemError(errno, "%s",
_("Failed to get client socket identity"));
virObjectUnlock(sock);