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path: root/net/sunrpc/auth_gss/svcauth_gss.c
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Diffstat (limited to 'net/sunrpc/auth_gss/svcauth_gss.c')
-rw-r--r--net/sunrpc/auth_gss/svcauth_gss.c93
1 files changed, 51 insertions, 42 deletions
diff --git a/net/sunrpc/auth_gss/svcauth_gss.c b/net/sunrpc/auth_gss/svcauth_gss.c
index 73940df6c46..481f984e9a2 100644
--- a/net/sunrpc/auth_gss/svcauth_gss.c
+++ b/net/sunrpc/auth_gss/svcauth_gss.c
@@ -224,38 +224,34 @@ static int rsi_parse(struct cache_detail *cd,
/* major/minor */
len = qword_get(&mesg, buf, mlen);
- if (len < 0)
+ if (len <= 0)
goto out;
- if (len == 0) {
+ rsii.major_status = simple_strtoul(buf, &ep, 10);
+ if (*ep)
+ goto out;
+ len = qword_get(&mesg, buf, mlen);
+ if (len <= 0)
+ goto out;
+ rsii.minor_status = simple_strtoul(buf, &ep, 10);
+ if (*ep)
goto out;
- } else {
- rsii.major_status = simple_strtoul(buf, &ep, 10);
- if (*ep)
- goto out;
- len = qword_get(&mesg, buf, mlen);
- if (len <= 0)
- goto out;
- rsii.minor_status = simple_strtoul(buf, &ep, 10);
- if (*ep)
- goto out;
- /* out_handle */
- len = qword_get(&mesg, buf, mlen);
- if (len < 0)
- goto out;
- status = -ENOMEM;
- if (dup_to_netobj(&rsii.out_handle, buf, len))
- goto out;
+ /* out_handle */
+ len = qword_get(&mesg, buf, mlen);
+ if (len < 0)
+ goto out;
+ status = -ENOMEM;
+ if (dup_to_netobj(&rsii.out_handle, buf, len))
+ goto out;
- /* out_token */
- len = qword_get(&mesg, buf, mlen);
- status = -EINVAL;
- if (len < 0)
- goto out;
- status = -ENOMEM;
- if (dup_to_netobj(&rsii.out_token, buf, len))
- goto out;
- }
+ /* out_token */
+ len = qword_get(&mesg, buf, mlen);
+ status = -EINVAL;
+ if (len < 0)
+ goto out;
+ status = -ENOMEM;
+ if (dup_to_netobj(&rsii.out_token, buf, len))
+ goto out;
rsii.h.expiry_time = expiry;
rsip = rsi_update(&rsii, rsip);
status = 0;
@@ -975,6 +971,7 @@ static int svcauth_gss_handle_init(struct svc_rqst *rqstp,
struct kvec *resv = &rqstp->rq_res.head[0];
struct xdr_netobj tmpobj;
struct rsi *rsip, rsikey;
+ int ret;
/* Read the verifier; should be NULL: */
*authp = rpc_autherr_badverf;
@@ -1014,23 +1011,27 @@ static int svcauth_gss_handle_init(struct svc_rqst *rqstp,
/* No upcall result: */
return SVC_DROP;
case 0:
+ ret = SVC_DROP;
/* Got an answer to the upcall; use it: */
if (gss_write_init_verf(rqstp, rsip))
- return SVC_DROP;
+ goto out;
if (resv->iov_len + 4 > PAGE_SIZE)
- return SVC_DROP;
+ goto out;
svc_putnl(resv, RPC_SUCCESS);
if (svc_safe_putnetobj(resv, &rsip->out_handle))
- return SVC_DROP;
+ goto out;
if (resv->iov_len + 3 * 4 > PAGE_SIZE)
- return SVC_DROP;
+ goto out;
svc_putnl(resv, rsip->major_status);
svc_putnl(resv, rsip->minor_status);
svc_putnl(resv, GSS_SEQ_WIN);
if (svc_safe_putnetobj(resv, &rsip->out_token))
- return SVC_DROP;
+ goto out;
}
- return SVC_COMPLETE;
+ ret = SVC_COMPLETE;
+out:
+ cache_put(&rsip->h, &rsi_cache);
+ return ret;
}
/*
@@ -1125,6 +1126,7 @@ svcauth_gss_accept(struct svc_rqst *rqstp, __be32 *authp)
case RPC_GSS_PROC_DESTROY:
if (gss_write_verf(rqstp, rsci->mechctx, gc->gc_seq))
goto auth_err;
+ rsci->h.expiry_time = get_seconds();
set_bit(CACHE_NEGATIVE, &rsci->h.flags);
if (resv->iov_len + 4 > PAGE_SIZE)
goto drop;
@@ -1386,19 +1388,26 @@ int
gss_svc_init(void)
{
int rv = svc_auth_register(RPC_AUTH_GSS, &svcauthops_gss);
- if (rv == 0) {
- cache_register(&rsc_cache);
- cache_register(&rsi_cache);
- }
+ if (rv)
+ return rv;
+ rv = cache_register(&rsc_cache);
+ if (rv)
+ goto out1;
+ rv = cache_register(&rsi_cache);
+ if (rv)
+ goto out2;
+ return 0;
+out2:
+ cache_unregister(&rsc_cache);
+out1:
+ svc_auth_unregister(RPC_AUTH_GSS);
return rv;
}
void
gss_svc_shutdown(void)
{
- if (cache_unregister(&rsc_cache))
- printk(KERN_ERR "auth_rpcgss: failed to unregister rsc cache\n");
- if (cache_unregister(&rsi_cache))
- printk(KERN_ERR "auth_rpcgss: failed to unregister rsi cache\n");
+ cache_unregister(&rsc_cache);
+ cache_unregister(&rsi_cache);
svc_auth_unregister(RPC_AUTH_GSS);
}