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SUNRPC: conditionally return endtime from import_sec_context

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We expose this parameter for a future caller.
It will be used to extract the endtime from the gss-proxy upcall mechanism,
in order to set the rsc cache expiration time.

Signed-off-by: Simo Sorce <simo@redhat.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
This commit is contained in:
Simo Sorce 2012-05-25 18:09:53 -04:00 committed by J. Bruce Fields
parent 33d90ac058
commit 400f26b542
5 changed files with 13 additions and 6 deletions
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2
include/linux/sunrpc/gss_api.h
View file

@ -37,6 +37,7 @@ int gss_import_sec_context(
size_t bufsize,
struct gss_api_mech *mech,
struct gss_ctx **ctx_id,
time_t *endtime,
gfp_t gfp_mask);
u32 gss_get_mic(
struct gss_ctx *ctx_id,
@ -92,6 +93,7 @@ struct gss_api_ops {
const void *input_token,
size_t bufsize,
struct gss_ctx *ctx_id,
time_t *endtime,
gfp_t gfp_mask);
u32 (*gss_get_mic)(
struct gss_ctx *ctx_id,

2
net/sunrpc/auth_gss/auth_gss.c
View file

@ -238,7 +238,7 @@ gss_fill_context(const void *p, const void *end, struct gss_cl_ctx *ctx, struct
p = ERR_PTR(-EFAULT);
goto err;
}
ret = gss_import_sec_context(p, seclen, gm, &ctx->gc_gss_ctx, GFP_NOFS);
ret = gss_import_sec_context(p, seclen, gm, &ctx->gc_gss_ctx, NULL, GFP_NOFS);
if (ret < 0) {
p = ERR_PTR(ret);
goto err;

7
net/sunrpc/auth_gss/gss_krb5_mech.c
View file

@ -679,6 +679,7 @@ gss_import_v2_context(const void *p, const void *end, struct krb5_ctx *ctx,
static int
gss_import_sec_context_kerberos(const void *p, size_t len,
struct gss_ctx *ctx_id,
time_t *endtime,
gfp_t gfp_mask)
{
const void *end = (const void *)((const char *)p + len);
@ -694,9 +695,11 @@ gss_import_sec_context_kerberos(const void *p, size_t len,
else
ret = gss_import_v2_context(p, end, ctx, gfp_mask);
if (ret == 0)
if (ret == 0) {
ctx_id->internal_ctx_id = ctx;
else
if (endtime)
*endtime = ctx->endtime;
} else
kfree(ctx);
dprintk("RPC: %s: returning %d\n", __func__, ret);

5
net/sunrpc/auth_gss/gss_mech_switch.c
View file

@ -325,14 +325,15 @@ int
gss_import_sec_context(const void *input_token, size_t bufsize,
struct gss_api_mech *mech,
struct gss_ctx **ctx_id,
time_t *endtime,
gfp_t gfp_mask)
{
if (!(*ctx_id = kzalloc(sizeof(**ctx_id), gfp_mask)))
return -ENOMEM;
(*ctx_id)->mech_type = gss_mech_get(mech);
return mech->gm_ops
->gss_import_sec_context(input_token, bufsize, *ctx_id, gfp_mask);
return mech->gm_ops->gss_import_sec_context(input_token, bufsize,
*ctx_id, endtime, gfp_mask);
}
/* gss_get_mic: compute a mic over message and return mic_token. */

3
net/sunrpc/auth_gss/svcauth_gss.c
View file

@ -497,7 +497,8 @@ static int rsc_parse(struct cache_detail *cd,
len = qword_get(&mesg, buf, mlen);
if (len < 0)
goto out;
status = gss_import_sec_context(buf, len, gm, &rsci.mechctx, GFP_KERNEL);
status = gss_import_sec_context(buf, len, gm, &rsci.mechctx,
NULL, GFP_KERNEL);
if (status)
goto out;