[Bug nscd/23757] New: services number stored in wrong endianness

["dj at redhat dot com" <sourceware-bugzilla at sourceware dot org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=23757

            Bug ID: 23757
           Summary: services number stored in wrong endianness
           Product: glibc
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: nscd
          Assignee: unassigned at sourceware dot org
          Reporter: dj at redhat dot com
                CC: drepper.fsp at gmail dot com
  Target Milestone: ---

If you look up a service number of, say, 10000, the correct entry in
/etc/services is used by nscd, but the key in the database is, in this example,
4135:

$ grep 10000 /etc/services 
service-example 10000/tcp

$ getent services 10000/tcp
service-example       10000/tcp

$ getent services 10000/udp

$ /usr/sbin/nscd -d
Wed 10 Oct 2018 05:21:34 PM EDT - 5833:         GETSERVBYPORT (4135/udp)

$ strings /var/db/nscd/services 
service-example
4135/tcp
4135/udp

Note that 10000 is 0x2710 and 4135 is 0x1027 so it looks like there's a missing
ntohs() call somewhere.

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