diff options
Diffstat (limited to 'net/sunrpc/auth_gss/svcauth_gss.c')
-rw-r--r-- | net/sunrpc/auth_gss/svcauth_gss.c | 93 |
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 73940df..481f984 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); } |