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authorJeff Layton <jlayton@redhat.com>2009-08-14 12:57:56 -0400
committerJ. Bruce Fields <bfields@citi.umich.edu>2009-08-21 11:27:43 -0400
commit363168b4ea8ec26aeb982ac6024a09f907ecd27e (patch)
tree95e626b67a238047caad3ce445b27eef98330780
parentbe3ad6b0b675fd1d6b48362ca30bdee75fbef6b4 (diff)
downloadop-kernel-dev-363168b4ea8ec26aeb982ac6024a09f907ecd27e.zip
op-kernel-dev-363168b4ea8ec26aeb982ac6024a09f907ecd27e.tar.gz
nfsd: make nfs4_client->cl_addr a struct sockaddr_storage
It's currently a __be32, which isn't big enough to hold an IPv6 address. Signed-off-by: Jeff Layton <jlayton@redhat.com> Acked-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
-rw-r--r--fs/nfsd/nfs4state.c32
-rw-r--r--include/linux/nfsd/state.h2
2 files changed, 20 insertions, 14 deletions
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 9295c4b..bfc14d8 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -55,6 +55,7 @@
#include <linux/lockd/bind.h>
#include <linux/module.h>
#include <linux/sunrpc/svcauth_gss.h>
+#include <linux/sunrpc/clnt.h>
#define NFSDDBG_FACILITY NFSDDBG_PROC
@@ -1220,13 +1221,15 @@ nfsd4_exchange_id(struct svc_rqst *rqstp,
int status;
unsigned int strhashval;
char dname[HEXDIR_LEN];
+ char addr_str[INET6_ADDRSTRLEN];
nfs4_verifier verf = exid->verifier;
- u32 ip_addr = svc_addr_in(rqstp)->sin_addr.s_addr;
+ struct sockaddr *sa = svc_addr(rqstp);
+ rpc_ntop(sa, addr_str, sizeof(addr_str));
dprintk("%s rqstp=%p exid=%p clname.len=%u clname.data=%p "
- " ip_addr=%u flags %x, spa_how %d\n",
+ "ip_addr=%s flags %x, spa_how %d\n",
__func__, rqstp, exid, exid->clname.len, exid->clname.data,
- ip_addr, exid->flags, exid->spa_how);
+ addr_str, exid->flags, exid->spa_how);
if (!check_name(exid->clname) || (exid->flags & ~EXCHGID4_FLAG_MASK_A))
return nfserr_inval;
@@ -1315,7 +1318,7 @@ out_new:
copy_verf(new, &verf);
copy_cred(&new->cl_cred, &rqstp->rq_cred);
- new->cl_addr = ip_addr;
+ rpc_copy_addr((struct sockaddr *) &new->cl_addr, sa);
gen_clid(new);
gen_confirm(new);
add_to_unconfirmed(new, strhashval);
@@ -1389,7 +1392,7 @@ nfsd4_create_session(struct svc_rqst *rqstp,
struct nfsd4_compound_state *cstate,
struct nfsd4_create_session *cr_ses)
{
- u32 ip_addr = svc_addr_in(rqstp)->sin_addr.s_addr;
+ struct sockaddr *sa = svc_addr(rqstp);
struct nfs4_client *conf, *unconf;
struct nfsd4_clid_slot *cs_slot = NULL;
int status = 0;
@@ -1417,7 +1420,7 @@ nfsd4_create_session(struct svc_rqst *rqstp,
cs_slot->sl_seqid++;
} else if (unconf) {
if (!same_creds(&unconf->cl_cred, &rqstp->rq_cred) ||
- (ip_addr != unconf->cl_addr)) {
+ !rpc_cmp_addr(sa, (struct sockaddr *) &unconf->cl_addr)) {
status = nfserr_clid_inuse;
goto out;
}
@@ -1564,7 +1567,7 @@ __be32
nfsd4_setclientid(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
struct nfsd4_setclientid *setclid)
{
- struct sockaddr_in *sin = svc_addr_in(rqstp);
+ struct sockaddr *sa = svc_addr(rqstp);
struct xdr_netobj clname = {
.len = setclid->se_namelen,
.data = setclid->se_name,
@@ -1596,8 +1599,11 @@ nfsd4_setclientid(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
/* RFC 3530 14.2.33 CASE 0: */
status = nfserr_clid_inuse;
if (!same_creds(&conf->cl_cred, &rqstp->rq_cred)) {
- dprintk("NFSD: setclientid: string in use by client"
- " at %pI4\n", &conf->cl_addr);
+ char addr_str[INET6_ADDRSTRLEN];
+ rpc_ntop((struct sockaddr *) &conf->cl_addr, addr_str,
+ sizeof(addr_str));
+ dprintk("NFSD: setclientid: string in use by client "
+ "at %s\n", addr_str);
goto out;
}
}
@@ -1659,7 +1665,7 @@ nfsd4_setclientid(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
gen_clid(new);
}
copy_verf(new, &clverifier);
- new->cl_addr = sin->sin_addr.s_addr;
+ rpc_copy_addr((struct sockaddr *) &new->cl_addr, sa);
new->cl_flavor = rqstp->rq_flavor;
princ = svc_gss_principal(rqstp);
if (princ) {
@@ -1693,7 +1699,7 @@ nfsd4_setclientid_confirm(struct svc_rqst *rqstp,
struct nfsd4_compound_state *cstate,
struct nfsd4_setclientid_confirm *setclientid_confirm)
{
- struct sockaddr_in *sin = svc_addr_in(rqstp);
+ struct sockaddr *sa = svc_addr(rqstp);
struct nfs4_client *conf, *unconf;
nfs4_verifier confirm = setclientid_confirm->sc_confirm;
clientid_t * clid = &setclientid_confirm->sc_clientid;
@@ -1712,9 +1718,9 @@ nfsd4_setclientid_confirm(struct svc_rqst *rqstp,
unconf = find_unconfirmed_client(clid);
status = nfserr_clid_inuse;
- if (conf && conf->cl_addr != sin->sin_addr.s_addr)
+ if (conf && !rpc_cmp_addr((struct sockaddr *) &conf->cl_addr, sa))
goto out;
- if (unconf && unconf->cl_addr != sin->sin_addr.s_addr)
+ if (unconf && !rpc_cmp_addr((struct sockaddr *) &unconf->cl_addr, sa))
goto out;
/*
diff --git a/include/linux/nfsd/state.h b/include/linux/nfsd/state.h
index 58bb197..3510ddd 100644
--- a/include/linux/nfsd/state.h
+++ b/include/linux/nfsd/state.h
@@ -200,7 +200,7 @@ struct nfs4_client {
char cl_recdir[HEXDIR_LEN]; /* recovery dir */
nfs4_verifier cl_verifier; /* generated by client */
time_t cl_time; /* time of last lease renewal */
- __be32 cl_addr; /* client ipaddress */
+ struct sockaddr_storage cl_addr; /* client ipaddress */
u32 cl_flavor; /* setclientid pseudoflavor */
char *cl_principal; /* setclientid principal name */
struct svc_cred cl_cred; /* setclientid principal */
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