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authorEelco Dolstra <eelco.dolstra@logicblox.com>2014-04-16 18:39:07 +0200
committerZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>2014-04-16 22:24:28 -0400
commit9754d56e9b21bfe89fc18f47987d6bef491b8521 (patch)
tree52e39e7fff1072ac25a23e8628a80c4d20d8c84d /src/shared/xml.c
parent5d2abc04fc95f5c5f6d0eaf2f9b06c70d504019f (diff)
Handle Unix domain socket connections from outside our namespace
NixOS uses Unix domain sockets for certain host <-> container interaction; i.e. the host connects to a socket visible in the container's directory tree, where the container uses a .socket unit to spawn the handler program on demand. This worked in systemd 203, but in 212 fails with "foo.socket failed to queue service startup job (Maybe the service file is missing or not a template unit?): No data available". The reason is that getpeercred() now returns ENODATA if it can't get the PID of the client, which happens in this case because the client is not in the same PID namespace. Since getpeercred() is only used to generate the instance name, this patch simply handles ENODATA by creating an instance name "<nr>-unknown". [zj: reorder clauses and remove (unsigned long) casts.]
Diffstat (limited to 'src/shared/xml.c')
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