| Commit message (Collapse) | Author | Age | Files | Lines |
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We have all the pieces in place, so update sm_notify_1_svc() to handle
SM_NOTIFY requests sent from IPv6 remotes.
This also eliminates a memory leak: the strdup'd memory containing the
callers' presentation address was never freed.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
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For the near future, statd will support IPv6 but exportfs will not.
Thus statd will need a version of matchhostname() that can deal
properly with IPv6 remotes. To reduce the risk of breaking exportfs,
introduce a separate version of matchhostname() for statd to use while
exportfs continues to use the existing AF_INET-only implementation.
Note that statd will never send matchhostname() a hostname string
containing export wildcards, so is_hostame() is not needed in the
statd version of matchhostname(). This saves some computational
expense when comparing hostnames.
A separate statd-specific implementation of matchhostname() allows
some flexibility in the long term, as well. We might want to enrich
the matching heuristics of our SM_NOTIFY, for example, or replace
them entirely with a heuristic that is not dependent upon DNS.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
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To facilitate code sharing between statd and sm-notify (and with other
components of nfs-utils), replace sm-notify's nsm_log() with xlog().
Since opt_quiet is used in only a handful of insignificant cases, it
is removed.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Steve Dickson <steved@redhat.com>
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TI-RPC's version of the svc_getcaller() macro points to a sockaddr_in6,
not a sockaddr_in, though for AF_INET callers, an AF_INET address
resides there. To squelch compiler warnings when the TI-RPC version of
the svc_req structure is used, add inline helpers with appropriate
type casting.
Note that tcp_wrappers support only AF_INET addresses for now.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Steve Dickson <steved@redhat.com>
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Static code checkers flag this kind of thing because it's easy to
confuse with "if (!(foo == rtnl))". In one of these cases, the
combination of evaluation and assignment isn't even necessary.
While we are in the neighborhood, remove an extra argument to note() that is
not called for in the passed-in format string.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Steve Dickson <steved@redhat.com>
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When lockd asks to monitor a host, we find the FQDN from the DNS
and remember that, both internally and in the /var/lib/nfs/sm/*
file.
When we receive an SM_NOTIFY request, we compare both the
mon_name and the source IP address against that DNS name to find
a match.
If a DNS name is not available, we fall back to the name provided by
lockd, which at least is known to map to an IP address via
gethostbyname.
Signed-off-by: Neil Brown <neilb@suse.de>
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statd now execs sm-notify to notify peers and only listens to
monitor requests and remote notifications itself.
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