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Date:      Tue, 27 Feb 2018 15:22:36 +1000
From:      Da Rock <freebsd-apache@herveybayaustralia.com.au>
To:        freebsd-apache@freebsd.org
Subject:   Re: mod_auth_kerb2 causes apache to fail to start
Message-ID:  <2a435e14-d91c-8e80-79d1-e29df9a9ea93@herveybayaustralia.com.au>
In-Reply-To: <13686e25-b647-75a3-2f98-fda363b10b8e@herveybayaustralia.com.au>
References:  <3fd7ffd1-c098-f8a2-47fb-9e26128fc68c@herveybayaustralia.com.au> <13686e25-b647-75a3-2f98-fda363b10b8e@herveybayaustralia.com.au>

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On 27/02/18 13:16, Da Rock wrote:
> On 27/02/18 12:43, Da Rock wrote:
>> In theory I could submit this as a bug, but given the bug reports 
>> already and that have been closed without specific resolution I think 
>> that might not be a good idea.
>>
>> AFAICT most kerberos stuff has been geared toward using heimdal, and 
>> little testing has been done for mit krb5. What I have is an error:
>>
>> httpd: Syntax error on line 169 of 
>> /usr/local/etc/apache24/httpd.conf: Cannot load 
>> libexec/apache24/mod_auth_kerb.so into server: 
>> /usr/local/libexec/apache24/mod_auth_kerb.so: Undefined symbol 
>> "krb5_rc_dfl_init"
>>
>> This is a new install (entire base as well) with 11.1-Release and 
>> using krb5 from ports.
>>
>> ldd reveals:
>>
>> ldd /usr/local/libexec/apache24/mod_auth_kerb.so
>> /usr/local/libexec/apache24/mod_auth_kerb.so:
>>     libgssapi_krb5.so.10 => /usr/lib/libgssapi_krb5.so.10 (0x801208000)
>>     libkrb5.so.11 => /usr/lib/libkrb5.so.11 (0x801427000)
>>     libk5crypto.so.3.1 => /usr/local/lib/libk5crypto.so.3.1 
>> (0x8016a5000)
>>     libcom_err.so.5 => /usr/lib/libcom_err.so.5 (0x8018d9000)
>>     libc.so.7 => /lib/libc.so.7 (0x800824000)
>>     libgssapi.so.10 => /usr/lib/libgssapi.so.10 (0x801adb000)
>>     libcrypto.so.8 => /lib/libcrypto.so.8 (0x801e00000)
>>     libroken.so.11 => /usr/lib/libroken.so.11 (0x802269000)
>>     libasn1.so.11 => /usr/lib/libasn1.so.11 (0x80247c000)
>>     libcrypt.so.5 => /lib/libcrypt.so.5 (0x80271e000)
>>     libhx509.so.11 => /usr/lib/libhx509.so.11 (0x80293d000)
>>     libwind.so.11 => /usr/lib/libwind.so.11 (0x802b8a000)
>>     libheimbase.so.11 => /usr/lib/libheimbase.so.11 (0x802db2000)
>>     libprivateheimipcc.so.11 => /usr/lib/libprivateheimipcc.so.11 
>> (0x802fb6000)
>>     libkrb5support.so.0.1 => /usr/local/lib/libkrb5support.so.0.1 
>> (0x8031b8000)
>>     libintl.so.8 => /usr/local/lib/libintl.so.8 (0x8033c6000)
>>     libthr.so.3 => /lib/libthr.so.3 (0x8035d1000)
>>
>> And here we can see that the module is looking in the wrong place for 
>> the gssapi and krb5 libs - /usr/lib rather than /usr/local/lib.
> Output from make debug-krb:
>
> cc -O2 -pipe  -fstack-protector -fno-strict-aliasing -o 
> /tmp/debug-krb.x -I"/usr/local/include"  -lkrb5 -lgssapi_krb5 
> -L"/usr/local/lib" -Wl,-rpath,/usr/local/lib  /tmp/debug-krb.c &&  ldd 
> /tmp/debug-krb.x;  /bin/rm -f /tmp/debug-krb.x
> /tmp/debug-krb.x:
>     libkrb5.so.3.3 => /usr/local/lib/libkrb5.so.3.3 (0x800822000)
>     libgssapi_krb5.so.2.2 => /usr/local/lib/libgssapi_krb5.so.2.2 
> (0x800b08000)
>     libc.so.7 => /lib/libc.so.7 (0x800d50000)
>     libk5crypto.so.3.1 => /usr/local/lib/libk5crypto.so.3.1 (0x801108000)
>     libcom_err.so.3.0 => /usr/local/lib/libcom_err.so.3.0 (0x80133c000)
>     libkrb5support.so.0.1 => /usr/local/lib/libkrb5support.so.0.1 
> (0x80153f000)
>     libintl.so.8 => /usr/local/lib/libintl.so.8 (0x80174d000)
> PREFIX: /usr/local
> GSSAPIBASEDIR: /usr/local
> GSSAPIINCDIR: /usr/local/include
> GSSAPILIBDIR: /usr/local/lib
> GSSAPILIBS: -lkrb5 -lgssapi_krb5
> GSSAPICPPFLAGS: -I/usr/local/include
> GSSAPILDFLAGS: -L/usr/local/lib
> GSSAPI_CONFIGURE_ARGS: CFLAGS=-I/usr/local/include -O2 -pipe 
> -fstack-protector -fno-strict-aliasing  LDFLAGS=-L/usr/local/lib 
> -Wl,-rpath,/usr/local/lib:/usr/lib -fstack-protector  LIBS=-lkrb5 
> -lgssapi_krb5   KRB5CONFIG=/usr/local/bin/krb5-config
> KRB5CONFIG: /usr/local/bin/krb5-config
> CFLAGS: -O2 -pipe  -fstack-protector -fno-strict-aliasing
> LDFLAGS:  -Wl,-rpath,/usr/local/lib:/usr/lib -fstack-protector
> LDADD:
>>
>> Somewhere this is getting screwed up, and I have yet to figure out 
>> where - when I do I'll pass it on, but meanwhile I figured a heads up 
>> is in order.
> I'd forgotten to mention that I'm still rather newb for this kind of 
> diagnosis, so help here would very much be appreciated :-)
Building with heimdal-base (can't do ports):

httpd: Syntax error on line 169 of /usr/local/etc/apache24/httpd.conf: 
Cannot load libexec/apache24/mod_auth_kerb.so into server: 
/usr/local/libexec/apache24/mod_auth_kerb.so: Undefined symbol 
"krb5_gss_register_acceptor_identity"



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