knfsd: nfsd4: store pseudoflavor in request

Add a new field to the svc_rqst structure to record the pseudoflavor that the
request was made with.  For now we record the pseudoflavor but don't use it
for anything.

Signed-off-by: Andy Adamson <andros@citi.umich.edu>
Signed-off-by: "J. Bruce Fields" <bfields@citi.umich.edu>
Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/include/linux/sunrpc/gss_api.h b/include/linux/sunrpc/gss_api.h
index bbac101..459c5fc 100644 (file)
--- a/include/linux/sunrpc/gss_api.h
+++ b/include/linux/sunrpc/gss_api.h
@@ -58,6 +58,7 @@ u32 gss_unwrap(
 u32 gss_delete_sec_context(
                struct gss_ctx          **ctx_id);
 
+u32 gss_svc_to_pseudoflavor(struct gss_api_mech *, u32 service);
 u32 gss_pseudoflavor_to_service(struct gss_api_mech *, u32 pseudoflavor);
 char *gss_service_to_auth_domain_name(struct gss_api_mech *, u32 service);
 

diff --git a/include/linux/sunrpc/svc.h b/include/linux/sunrpc/svc.h
index 129d50f..705a90a 100644 (file)
--- a/include/linux/sunrpc/svc.h
+++ b/include/linux/sunrpc/svc.h
@@ -212,6 +212,7 @@ struct svc_rqst {
        struct svc_pool *       rq_pool;        /* thread pool */
        struct svc_procedure *  rq_procinfo;    /* procedure info */
        struct auth_ops *       rq_authop;      /* authentication flavour */
+       u32                     rq_flavor;      /* pseudoflavor */
        struct svc_cred         rq_cred;        /* auth info */
        struct sk_buff *        rq_skbuff;      /* fast recv inet buffer */
        struct svc_deferred_req*rq_deferred;    /* deferred request we are replaying */

diff --git a/net/sunrpc/auth_gss/gss_mech_switch.c b/net/sunrpc/auth_gss/gss_mech_switch.c
index 2687251..61801a0 100644 (file)
--- a/net/sunrpc/auth_gss/gss_mech_switch.c
+++ b/net/sunrpc/auth_gss/gss_mech_switch.c
@@ -193,6 +193,20 @@ gss_mech_get_by_pseudoflavor(u32 pseudoflavor)
 
 EXPORT_SYMBOL(gss_mech_get_by_pseudoflavor);
 
+u32
+gss_svc_to_pseudoflavor(struct gss_api_mech *gm, u32 service)
+{
+       int i;
+
+       for (i = 0; i < gm->gm_pf_num; i++) {
+               if (gm->gm_pfs[i].service == service) {
+                       return gm->gm_pfs[i].pseudoflavor;
+               }
+       }
+       return RPC_AUTH_MAXFLAVOR; /* illegal value */
+}
+EXPORT_SYMBOL(gss_svc_to_pseudoflavor);
+
 u32
 gss_pseudoflavor_to_service(struct gss_api_mech *gm, u32 pseudoflavor)
 {

diff --git a/net/sunrpc/auth_gss/svcauth_gss.c b/net/sunrpc/auth_gss/svcauth_gss.c
index c094583..7a3e175 100644 (file)
--- a/net/sunrpc/auth_gss/svcauth_gss.c
+++ b/net/sunrpc/auth_gss/svcauth_gss.c
@@ -1131,6 +1131,8 @@ svcauth_gss_accept(struct svc_rqst *rqstp, __be32 *authp)
                }
                svcdata->rsci = rsci;
                cache_get(&rsci->h);
+               rqstp->rq_flavor = gss_svc_to_pseudoflavor(
+                                       rsci->mechctx->mech_type, gc->gc_svc);
                ret = SVC_OK;
                goto out;
        }

diff --git a/net/sunrpc/svcauth_unix.c b/net/sunrpc/svcauth_unix.c
index 07dcd20..d9fdf2e 100644 (file)
--- a/net/sunrpc/svcauth_unix.c
+++ b/net/sunrpc/svcauth_unix.c
@@ -5,6 +5,7 @@
 #include <linux/sunrpc/xdr.h>
 #include <linux/sunrpc/svcsock.h>
 #include <linux/sunrpc/svcauth.h>
+#include <linux/sunrpc/gss_api.h>
 #include <linux/err.h>
 #include <linux/seq_file.h>
 #include <linux/hash.h>
@@ -707,6 +708,7 @@ svcauth_null_accept(struct svc_rqst *rqstp, __be32 *authp)
        svc_putnl(resv, RPC_AUTH_NULL);
        svc_putnl(resv, 0);
 
+       rqstp->rq_flavor = RPC_AUTH_NULL;
        return SVC_OK;
 }
 
@@ -784,6 +786,7 @@ svcauth_unix_accept(struct svc_rqst *rqstp, __be32 *authp)
        svc_putnl(resv, RPC_AUTH_NULL);
        svc_putnl(resv, 0);
 
+       rqstp->rq_flavor = RPC_AUTH_UNIX;
        return SVC_OK;
 
 badcred: