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Make libgssglue configurable still but disabled by default.
There is no reason to use libgssglue anymore, and modern gssapi
supports all needed features for nfs-utils.
Signed-off-by: Simo Sorce <simo@redhat.com>
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SNAFU. This came to my attention minutes after 1.2.4 was
released...
Changes in commit d6c1b35c require that gss_acquire_cred()
is now called when the "-n" option is used. This requires an
updated libgssglue which properly handles name GSS_C_NO_NAME
as input to gss_import_name()/gss_acquire_cred().
Add a requirement for the newer version.
Without the newer libgssglue, when svcgssd is started with "-n"
you will see the error message, "ERROR: GSS-API: error in
gss_acquire_cred(): GSS_S_BAD_NAME (An invalid name was supplied)
- Unknown error"
Signed-off-by: Steve Dickson <steved@redhat.com>
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The check that validates the version of librpcsecgss also needs to
have libgssglue installed. Without libgssglue, ./configure complains
that it can't find rpcsecgss, even though it's installed.
It also turns out that the error message generated by pkg-config is
more complete than the one we have in aclocal/rpcsec_vers.m4, so just
let those PKG_CHECK_MODULES m4 macros use the default error message.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Steve Dickson <steved@redhat.com>
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From: Jeff Layton <jlayton@redhat.com>
Make the pkgconfig check for libgssglue conditional on tirpc being
enabled. When it's disabled, the pkgconfig check for librpcsecgss will
pull in the gssglue lib and include dir automatically.
Also, make sure we include GSSGLUE_CFLAGS and the GSSGLUE_LIBS to the
appropriate places in utils/gssd/Makefile.am so that we pick up
the gssglue libs when tirpc is enabled.
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Steve Dickson <steved@redhat.com>
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Data type incompatibilities between the legacy RPC headers and the
TI-RPC headers mean we can't use libtirpc with code that was compiled
against the legacy RPC headers. The definition of rpcprog_t for
example is "unsigned long" in the legacy library, but it's "uint32_t"
for TI-RPC. On 32-bit systems, these types happen to have the same
width, but on 64-bit systems they don't, making more complex data
structures that use these types in fields ABI incompatible.
Adopt a new strategy to deal with this issue. When --enable-tirpc is
set, append "-I/usr/include/tirpc" to the compilation steps. This
should cause the compiler to grab the tirpc/ headers instead of the
legacy headers. Now, for TI-RPC builds, the TI-RPC legacy functions
and the TI-RPC headers will be used. On legacy systems, the legacy
headers and legacy glibc RPC implementation will be used.
A new ./configure option is introduced to allow system integrators to
use TI-RPC headers in some other location than /usr/include/tirpc.
/usr/include/tirpc remains the default setting for this new option.
The gssd implementation presents a few challenges, but it turns out
the gssglue library is similar to the auth_gss pieces of TI-RPC. To
avoid similar header incompatibility issues, gssd now uses libtirpc
instead of libgssglue if --enable-tirpc is specified. There may be
other issues to tackle with gssd, but for now, we just make sure it
builds with --enable-tirpc.
Note also: svc_getcaller() is a macro in both cases that points to
a sockaddr field in the svc_req structure. The legacy version points
to a sockaddr_in type field, but the TI-RPC version points to a
sockaddr_in6 type field.
rpc.mountd unconditionally casts the result of svc_getcaller() to a
sockaddr_in *. This should be OK for TI-RPC as well, since rpc.mountd
still uses legacy RPC calls (provided by glibc, or emulated by TI-RPC)
to set up its listeners, and therefore rpc.mountd callers will always
be from 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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Clean up: Introduce two more aclocal scripts for handling rpcsecgss
dependency checking.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Steve Dickson <steved@redhat.com>
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