On Sat, 16 Mar 2013, Elias Mårtenson wrote:
Is there a problem with the GSSAPI implementation in FreeBSD?
There might be; I can't remember if I had trouble with it in my current
application even before I started using the gss_pseudo_random feature
which it does not support (which caused me to switch to the MIT krb5
implementation).
I'm trying to compile a minimal application that does nothing more than
including the file gssapi/gssapi_krb5.h:
#include <gssapi/gssapi_krb5.h>
int main(void)
{
return 0;
}
You do not mention which version of FreeBSD you are using.
When compiling this with "gcc foo.c" I get the following error:
In file included from foo.c:1:
/usr/include/gssapi/gssapi_krb5.h:139: error: expected declaration
specifiers or '...' before 'time_t'
I find that clang's warning/error messages are frequently more helpful
than gcc's. Running the same experiment on my 10-current (r247267) setup
I get a somewhat different error:
/usr/include/gssapi/gssapi_krb5.h:56: error: expected '=', ',', ';', 'asm'
or '__attribute__' before 'extern'
It seems that GSSAPI_CPP_START is never defined, for one.
I have to admit that I'm a bit stumped as to why I get the error message in
the first place. The line in question looks like this:
OM_uint32
gsskrb5_extract_authtime_from_sec_context(OM_uint32 *, gss_ctx_id_t,
time_t *);
I checked the preprocessor output and there are indeed correct typedefs for
OM_uint32, gss_ctx_id_t and time_t, so I can't really see why this error
would occur.
The previous line may also be relevant. You do not have any
GSSAPI_LIB_FUNCTION or GSSAPI_LIB_CALL macros in the type specification of
the function, though? (I do.)
In any case, given the import program, this behaviour isn't really correct
as far as I can tell.
Any input on this?
The provided gssapi_krb5 support is certainly suboptimal -- including the
header at all gives a warning that it uses the deprecated path "gssapi.h"
to get the generic gssapi declarations. Might be, it needs further love.
-Ben Kaduk
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