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Subject[PATCH 003 of 20] knfsd: nfsd4: store pseudoflavor in request

From: andros@citi.umich.edu <andros@citi.umich.edu>

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>

### Diffstat output
./include/linux/sunrpc/gss_api.h | 1 +
./include/linux/sunrpc/svc.h | 1 +
./net/sunrpc/auth_gss/gss_mech_switch.c | 14 ++++++++++++++
./net/sunrpc/auth_gss/svcauth_gss.c | 2 ++
./net/sunrpc/svcauth_unix.c | 3 +++
5 files changed, 21 insertions(+)
diff .prev/include/linux/sunrpc/gss_api.h ./include/linux/sunrpc/gss_api.h
--- .prev/include/linux/sunrpc/gss_api.h 2007-07-10 11:28:10.000000000 +1000
+++ ./include/linux/sunrpc/gss_api.h 2007-07-10 11:27:13.000000000 +1000
@@ -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 .prev/include/linux/sunrpc/svc.h ./include/linux/sunrpc/svc.h
--- .prev/include/linux/sunrpc/svc.h 2007-07-10 11:28:10.000000000 +1000
+++ ./include/linux/sunrpc/svc.h 2007-07-10 11:27:13.000000000 +1000
@@ -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 .prev/net/sunrpc/auth_gss/gss_mech_switch.c ./net/sunrpc/auth_gss/gss_mech_switch.c
--- .prev/net/sunrpc/auth_gss/gss_mech_switch.c 2007-07-10 11:28:10.000000000 +1000
+++ ./net/sunrpc/auth_gss/gss_mech_switch.c 2007-07-10 11:28:53.000000000 +1000
@@ -200,6 +200,20 @@ gss_mech_get_by_pseudoflavor(u32 pseudof
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)
{
int i;
diff .prev/net/sunrpc/auth_gss/svcauth_gss.c ./net/sunrpc/auth_gss/svcauth_gss.c
--- .prev/net/sunrpc/auth_gss/svcauth_gss.c 2007-07-10 11:28:10.000000000 +1000
+++ ./net/sunrpc/auth_gss/svcauth_gss.c 2007-07-10 11:27:13.000000000 +1000
@@ -1145,6 +1145,8 @@ svcauth_gss_accept(struct svc_rqst *rqst
}
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 .prev/net/sunrpc/svcauth_unix.c ./net/sunrpc/svcauth_unix.c
--- .prev/net/sunrpc/svcauth_unix.c 2007-07-10 11:28:10.000000000 +1000
+++ ./net/sunrpc/svcauth_unix.c 2007-07-10 11:27:13.000000000 +1000
@@ -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 *rqs
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 *rqs
svc_putnl(resv, RPC_AUTH_NULL);
svc_putnl(resv, 0);

+ rqstp->rq_flavor = RPC_AUTH_UNIX;
return SVC_OK;

badcred:
-
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