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https://issues.apache.org/jira/browse/SERF-177?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15076106#comment-15076106
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The Written Word, Inc. commented on SERF-177:
---------------------------------------------
I added PR177.patch to fix this issue. I have no idea why this fixes it but it
does. neon-0.30.0 calls gss_init_sec_context() as follows:
major = gss_init_sec_context(&minor, GSS_C_NO_CREDENTIAL, &sess->gssctx,
sess->gssname, sess->gssmech,
GSS_C_MUTUAL_FLAG, GSS_C_INDEFINITE,
GSS_C_NO_CHANNEL_BINDINGS,
&input, &sess->gssmech, &output, NULL, NULL);
serf invokes it as follows:
gss_maj_stat = gss_init_sec_context
(&gss_min_stat, /* minor_status */
GSS_C_NO_CREDENTIAL, /* XXXXX claimant_cred_handle */
&ctx->gss_ctx, /* gssapi context handle */
host_gss_name, /* HTTP@server name */
ctx->gss_mech, /* mech_type (SPNEGO) */
GSS_C_MUTUAL_FLAG, /* ensure the peer authenticates itself */
0, /* default validity period */
GSS_C_NO_CHANNEL_BINDINGS, /* do not use channel bindings */
&gss_input_buf, /* server token, initially empty */
NULL, /* actual mech type */
gss_output_buf_p, /* output_token */
NULL, /* ret_flags */
NULL /* not interested in remaining validity */
);
I just replaced &dummy with NULL. According to the Solaris man page for
gss_init_sec_context, "Specify NULL if the parameter is not required." I
also tried using &ctx->gss_mech and that worked. But, I think NULL is closer to
the original intent of &dummy.
> svn 1.8.15 + serf on Solaris 9/10 + httpd 2.2.27 + kerberos
> -----------------------------------------------------------
>
> Key: SERF-177
> URL: https://issues.apache.org/jira/browse/SERF-177
> Project: serf
> Issue Type: Bug
> Affects Versions: serf-1.3.8
> Environment: Solaris 9/SPARC, 10/SPARC
> Reporter: The Written Word, Inc.
> Labels: kerberos
> Attachments: PR177.patch
>
>
> I have Apache httpd 2.2.27 + mod_auth_kerb-5.4 on a RHEL 6 host and
> subversion 1.8.15 + serf-1.3.8 built on a Solaris 9/10 host. I would
> like to use subversion on the Solaris hosts to authenticate against
> the Kerberos server on the RHEL 6 host. I built serf to link against
> GSSAPI on Solaris (so -DSERF_HAVE_GSSAPI was defined when building
> serf and serf is linked against -ssl). Subversion appears to be
> hanging:
> $ svn info http://shu.il.thewrittenword.com
> [hang]
> On the server, access_log shows the following ad infinitum:
> 10.191.57.54 - - [31/Dec/2015:08:50:11 +0000] "OPTIONS / HTTP/1.1" 401 -
> 10.191.57.54 - - [31/Dec/2015:08:50:11 +0000] "OPTIONS / HTTP/1.1" 401 -
> 10.191.57.54 - - [31/Dec/2015:08:50:11 +0000] "OPTIONS / HTTP/1.1" 401 -
> 10.191.57.54 - - [31/Dec/2015:08:50:11 +0000] "OPTIONS / HTTP/1.1" 401 -
> ...
> I also built subversion 1.8.15 on a Solaris 11 host and it behaves
> correctly. serf was built the same way on this platform. So, maybe
> some hiccup with serf+GSSAPI on Solaris 9/10?
> With verbose logging enabled in serf-1.3.8 (CONN_VERBOSE=1
> AUTH_VERBOSE=1 in serf_private.h), I see the following:
> (Solaris 11/SPARC, working)
> [2015-12-31T09:54:58.607054+00] outgoing.c: created connection 0xd9f38
> [2015-12-31T09:54:58.615186+00] [l:10.191.57.128:36956 r:10.191.57.117:80]
> auth/auth.c: Server authz required. Response header(s): Negotiate,Negotiate
> [2015-12-31T09:54:58.615282+00] [l:10.191.57.128:36956 r:10.191.57.117:80]
> auth/auth.c: Client supports: Negotiate
> [2015-12-31T09:54:58.615330+00] [l:10.191.57.128:36956 r:10.191.57.117:80]
> auth/auth.c: ... matched: Negotiate
> [2015-12-31T09:54:58.615384+00] [l:10.191.57.128:36956 r:10.191.57.117:80]
> outgoing.c: Limit max. nr. of outstanding requests for this connection to 1.
> [2015-12-31T09:54:58.615430+00] [l:10.191.57.128:36956 r:10.191.57.117:80]
> auth/auth_spnego.c: Initialized Kerberos context for this connection.
> [2015-12-31T09:54:58.615486+00] [l:10.191.57.128:36956 r:10.191.57.117:80]
> auth/auth_spnego_gss.c: Get principal for h...@shu.il.thewrittenword.com
> [2015-12-31T09:54:58.645588+00] [l:10.191.57.128:36956 r:10.191.57.117:80]
> auth/auth_spnego.c: Set Negotiate authn header on retried request.
> [2015-12-31T09:54:58.663860+00] [l:10.191.57.128:36956 r:10.191.57.117:80]
> auth/auth_spnego.c: Validate Negotiate response header.
> [2015-12-31T09:54:58.663907+00] [l:10.191.57.128:36956 r:10.191.57.117:80]
> auth/auth_spnego.c: SPNEGO handshake completed.
> [2015-12-31T09:54:58.664483+00] [l:10.191.57.128:36956 r:10.191.57.117:80]
> auth/auth_spnego.c: Assume for now that the server supports persistent SPNEGO
> authentication.
> [2015-12-31T09:54:58.665046+00] [l:10.191.57.128:36956 r:10.191.57.117:80]
> auth/auth.c: Server authz required. Response header(s): Negotiate,Negotiate
> [2015-12-31T09:54:58.665101+00] [l:10.191.57.128:36956 r:10.191.57.117:80]
> auth/auth.c: Client supports: Negotiate
> [2015-12-31T09:54:58.665148+00] [l:10.191.57.128:36956 r:10.191.57.117:80]
> auth/auth.c: ... matched: Negotiate
> [2015-12-31T09:54:58.665195+00] [l:10.191.57.128:36956 r:10.191.57.117:80]
> auth/auth_spnego.c: Server requires per-request SPNEGO authn, switching to
> stateless mode.
> [2015-12-31T09:54:58.665239+00] [l:10.191.57.128:36956 r:10.191.57.117:80]
> outgoing.c: Limit max. nr. of outstanding requests for this connection to 1.
> [2015-12-31T09:54:58.665305+00] [l:10.191.57.128:36956 r:10.191.57.117:80]
> auth/auth_spnego_gss.c: Get principal for h...@shu.il.thewrittenword.com
> [2015-12-31T09:54:58.666779+00] [l:10.191.57.128:36956 r:10.191.57.117:80]
> auth/auth_spnego.c: Set Negotiate authn header on retried request.
> [2015-12-31T09:54:58.685354+00] [l:10.191.57.128:36956 r:10.191.57.117:80]
> auth/auth_spnego.c: Validate Negotiate response header.
> [2015-12-31T09:54:58.685401+00] [l:10.191.57.128:36956 r:10.191.57.117:80]
> auth/auth_spnego.c: SPNEGO handshake completed.
> [2015-12-31T09:54:58.685521+00] [l:10.191.57.128:36956 r:10.191.57.117:80]
> auth/auth_spnego.c: Add initial Negotiate header to request.
> [2015-12-31T09:54:58.685569+00] [l:10.191.57.128:36956 r:10.191.57.117:80]
> auth/auth_spnego_gss.c: Get principal for h...@shu.il.thewrittenword.com
> [2015-12-31T09:54:58.705019+00] [l:10.191.57.128:36956 r:10.191.57.117:80]
> auth/auth_spnego.c: Validate Negotiate response header.
> [2015-12-31T09:54:58.705067+00] [l:10.191.57.128:36956 r:10.191.57.117:80]
> auth/auth_spnego.c: SPNEGO handshake completed.
> [2015-12-31T09:54:58.705354+00] [l:10.191.57.128:36956 r:10.191.57.117:80]
> auth/auth_spnego.c: Add initial Negotiate header to request.
> [2015-12-31T09:54:58.705403+00] [l:10.191.57.128:36956 r:10.191.57.117:80]
> auth/auth_spnego_gss.c: Get principal for h...@shu.il.thewrittenword.com
> [2015-12-31T09:54:58.724719+00] [l:10.191.57.128:36956 r:10.191.57.117:80]
> auth/auth_spnego.c: Validate Negotiate response header.
> [2015-12-31T09:54:58.724767+00] [l:10.191.57.128:36956 r:10.191.57.117:80]
> auth/auth_spnego.c: SPNEGO handshake completed.
> [2015-12-31T09:54:58.725049+00] [l:10.191.57.128:36956 r:10.191.57.117:80]
> auth/auth_spnego.c: Add initial Negotiate header to request.
> [2015-12-31T09:54:58.725099+00] [l:10.191.57.128:36956 r:10.191.57.117:80]
> auth/auth_spnego_gss.c: Get principal for h...@shu.il.thewrittenword.com
> [2015-12-31T09:54:58.744328+00] [l:10.191.57.128:36956 r:10.191.57.117:80]
> auth/auth_spnego.c: Validate Negotiate response header.
> [2015-12-31T09:54:58.744377+00] [l:10.191.57.128:36956 r:10.191.57.117:80]
> auth/auth_spnego.c: SPNEGO handshake completed.
> (Solaris 10/SPARC, not working)
> [2015-12-31T09:40:43.940512+00] outgoing.c: created connection 0x84398
> [2015-12-31T09:40:43.942857+00] [l:10.191.57.54:44663 r:10.191.57.117:80]
> auth/auth.c: Server authz required. Response header(s): Negotiate,Negotiate
> [2015-12-31T09:40:43.942985+00] [l:10.191.57.54:44663 r:10.191.57.117:80]
> auth/auth.c: Client supports: Negotiate
> [2015-12-31T09:40:43.943060+00] [l:10.191.57.54:44663 r:10.191.57.117:80]
> auth/auth.c: ... matched: Negotiate
> [2015-12-31T09:40:43.943140+00] [l:10.191.57.54:44663 r:10.191.57.117:80]
> outgoing.c: Limit max. nr. of outstanding requests for this connection to 1.
> [2015-12-31T09:40:43.943211+00] [l:10.191.57.54:44663 r:10.191.57.117:80]
> auth/auth_spnego.c: Initialized Kerberos context for this connection.
> [2015-12-31T09:40:43.943294+00] [l:10.191.57.54:44663 r:10.191.57.117:80]
> auth/auth_spnego_gss.c: Get principal for h...@shu.il.thewrittenword.com
> [2015-12-31T09:40:43.981619+00] [l:10.191.57.54:44663 r:10.191.57.117:80]
> auth/auth.c: Server authz required. Response header(s): Negotiate,Negotiate
> [2015-12-31T09:40:43.981723+00] [l:10.191.57.54:44663 r:10.191.57.117:80]
> auth/auth.c: Client supports: Negotiate
> [2015-12-31T09:40:43.981799+00] [l:10.191.57.54:44663 r:10.191.57.117:80]
> auth/auth.c: ... matched: Negotiate
> [2015-12-31T09:40:43.981884+00] [l:10.191.57.54:44663 r:10.191.57.117:80]
> auth/auth_spnego_gss.c: Get principal for h...@shu.il.thewrittenword.com
> [2015-12-31T09:40:43.982837+00] [l:10.191.57.54:44663 r:10.191.57.117:80]
> auth/auth.c: Server authz required. Response header(s): Negotiate,Negotiate
> [2015-12-31T09:40:43.982920+00] [l:10.191.57.54:44663 r:10.191.57.117:80]
> auth/auth.c: Client supports: Negotiate
> [2015-12-31T09:40:43.982995+00] [l:10.191.57.54:44663 r:10.191.57.117:80]
> auth/auth.c: ... matched: Negotiate
> [2015-12-31T09:40:43.983071+00] [l:10.191.57.54:44663 r:10.191.57.117:80]
> auth/auth_spnego_gss.c: Get principal for h...@shu.il.thewrittenword.com
> [2015-12-31T09:40:43.984166+00] [l:10.191.57.54:44663 r:10.191.57.117:80]
> auth/auth.c: Server authz required. Response header(s): Negotiate,Negotiate
> [2015-12-31T09:40:43.984248+00] [l:10.191.57.54:44663 r:10.191.57.117:80]
> auth/auth.c: Client supports: Negotiate
> [2015-12-31T09:40:43.984322+00] [l:10.191.57.54:44663 r:10.191.57.117:80]
> auth/auth.c: ... matched: Negotiate
> [2015-12-31T09:40:43.984398+00] [l:10.191.57.54:44663 r:10.191.57.117:80]
> auth/auth_spnego_gss.c: Get principal for h...@shu.il.thewrittenword.com
> [2015-12-31T09:40:43.985637+00] [l:10.191.57.54:44663 r:10.191.57.117:80]
> auth/auth.c: Server authz required. Response header(s): Negotiate,Negotiate
> [2015-12-31T09:40:43.985719+00] [l:10.191.57.54:44663 r:10.191.57.117:80]
> auth/auth.c: Client supports: Negotiate
> [2015-12-31T09:40:43.985793+00] [l:10.191.57.54:44663 r:10.191.57.117:80]
> auth/auth.c: ... matched: Negotiate
> [2015-12-31T09:40:43.985870+00] [l:10.191.57.54:44663 r:10.191.57.117:80]
> auth/auth_spnego_gss.c: Get principal for h...@shu.il.thewrittenword.com
> [2015-12-31T09:40:43.986967+00] [l:10.191.57.54:44663 r:10.191.57.117:80]
> auth/auth.c: Server authz required. Response header(s): Negotiate,Negotiate
> [2015-12-31T09:40:43.987049+00] [l:10.191.57.54:44663 r:10.191.57.117:80]
> auth/auth.c: Client supports: Negotiate
> [2015-12-31T09:40:43.987123+00] [l:10.191.57.54:44663 r:10.191.57.117:80]
> auth/auth.c: ... matched: Negotiate
> [2015-12-31T09:40:43.987199+00] [l:10.191.57.54:44663 r:10.191.57.117:80]
> auth/auth_spnego_gss.c: Get principal for h...@shu.il.thewrittenword.com
> [2015-12-31T09:40:43.988302+00] [l:10.191.57.54:44663 r:10.191.57.117:80]
> auth/auth.c: Server authz required. Response header(s): Negotiate,Negotiate
> [2015-12-31T09:40:43.988384+00] [l:10.191.57.54:44663 r:10.191.57.117:80]
> auth/auth.c: Client supports: Negotiate
> [2015-12-31T09:40:43.988458+00] [l:10.191.57.54:44663 r:10.191.57.117:80]
> auth/auth.c: ... matched: Negotiate
> [2015-12-31T09:40:43.988535+00] [l:10.191.57.54:44663 r:10.191.57.117:80]
> auth/auth_spnego_gss.c: Get principal for h...@shu.il.thewrittenword.com
> [2015-12-31T09:40:43.989632+00] [l:10.191.57.54:44663 r:10.191.57.117:80]
> auth/auth.c: Server authz required. Response header(s): Negotiate,Negotiate
> [2015-12-31T09:40:43.989714+00] [l:10.191.57.54:44663 r:10.191.57.117:80]
> auth/auth.c: Client supports: Negotiate
> [2015-12-31T09:40:43.989788+00] [l:10.191.57.54:44663 r:10.191.57.117:80]
> auth/auth.c: ... matched: Negotiate
> [2015-12-31T09:40:43.989864+00] [l:10.191.57.54:44663 r:10.191.57.117:80]
> auth/auth_spnego_gss.c: Get principal for h...@shu.il.thewrittenword.com
> [2015-12-31T09:40:43.990836+00] [l:10.191.57.54:44663 r:10.191.57.117:80]
> auth/auth.c: Server authz required. Response header(s): Negotiate,Negotiate
> [2015-12-31T09:40:43.990918+00] [l:10.191.57.54:44663 r:10.191.57.117:80]
> auth/auth.c: Client supports: Negotiate
> [2015-12-31T09:40:43.990992+00] [l:10.191.57.54:44663 r:10.191.57.117:80]
> auth/auth.c: ... matched: Negotiate
> [2015-12-31T09:40:43.991069+00] [l:10.191.57.54:44663 r:10.191.57.117:80]
> auth/auth_spnego_gss.c: Get principal for h...@shu.il.thewrittenword.com
> [2015-12-31T09:40:43.992167+00] [l:10.191.57.54:44663 r:10.191.57.117:80]
> auth/auth.c: Server authz required. Response header(s): Negotiate,Negotiate
> Older versions of subversion built against neon with GSSAPI support on
> Solaris 9/10 worked fine. I am only seeing a problem now where serf
> has replaced neon in the build.
> gss_init_sec_context() on Solaris 11 and RHEL 6 returns 1 whereas on
> Solaris 9/10 it returns 0. However, gss_init_sec_context() in
> subversion+neon on Solaris 10 returns 1. No idea why the behavior is
> different but I think this is the cause.
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