diff options
| author |   Aurélien Charbon <aurelien.charbon@ext.bull.net> | 2008-01-18 15:50:56 +0100 |
|---|---|---|
| committer |   J. Bruce Fields <bfields@citi.umich.edu> | 2008-04-23 16:13:36 -0400 |
| commit | f15364bd4cf8799a7677b6daeed7b67d9139d974 (patch) | |
| tree | bef48016533d184ea171d4b64336a5ad65ebc18e /fs/nfsd | |
| parent | NLM: Convert lockd to use kthreads (diff) | |
| download | linux-dev-f15364bd4cf8799a7677b6daeed7b67d9139d974.tar.xz linux-dev-f15364bd4cf8799a7677b6daeed7b67d9139d974.zip | |
IPv6 support for NFS server export caches
This adds IPv6 support to the interfaces that are used to express nfsd
exports. All addressed are stored internally as IPv6; backwards
compatibility is maintained using mapped addresses.
Thanks to Bruce Fields, Brian Haley, Neil Brown and Hideaki Joshifuji
for comments
Signed-off-by: Aurelien Charbon <aurelien.charbon@bull.net>
Cc: Neil Brown <neilb@suse.de>
Cc: Brian Haley <brian.haley@hp.com>
Cc: YOSHIFUJI Hideaki / 吉藤英明 <yoshfuji@linux-ipv6.org>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Diffstat (limited to 'fs/nfsd')
| -rw-r--r-- | fs/nfsd/export.c | 9 | ||||
| -rw-r--r-- | fs/nfsd/nfsctl.c | 15 |
2 files changed, 19 insertions, 5 deletions
diff --git a/fs/nfsd/export.c b/fs/nfsd/export.c index 8a6f7c924c75..33bfcf09db46 100644 --- a/fs/nfsd/export.c +++ b/fs/nfsd/export.c @@ -35,6 +35,7 @@ #include <linux/lockd/bind.h> #include <linux/sunrpc/msg_prot.h> #include <linux/sunrpc/gss_api.h> +#include <net/ipv6.h> #define NFSDDBG_FACILITY NFSDDBG_EXPORT @@ -1548,6 +1549,7 @@ exp_addclient(struct nfsctl_client *ncp) { struct auth_domain *dom; int i, err; + struct in6_addr addr6; /* First, consistency check. */ err = -EINVAL; @@ -1566,9 +1568,10 @@ exp_addclient(struct nfsctl_client *ncp) goto out_unlock; /* Insert client into hashtable. */ - for (i = 0; i < ncp->cl_naddr; i++) - auth_unix_add_addr(ncp->cl_addrlist[i], dom); - + for (i = 0; i < ncp->cl_naddr; i++) { + ipv6_addr_set_v4mapped(ncp->cl_addrlist[i].s_addr, &addr6); + auth_unix_add_addr(&addr6, dom); + } auth_unix_forget_old(dom); auth_domain_put(dom); diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c index 8516137cdbb0..9f038a4a148e 100644 --- a/fs/nfsd/nfsctl.c +++ b/fs/nfsd/nfsctl.c @@ -37,6 +37,7 @@ #include <linux/nfsd/syscall.h> #include <asm/uaccess.h> +#include <net/ipv6.h> /* * We have a single directory with 9 nodes in it. @@ -222,6 +223,7 @@ static ssize_t write_getfs(struct file *file, char *buf, size_t size) struct auth_domain *clp; int err = 0; struct knfsd_fh *res; + struct in6_addr in6; if (size < sizeof(*data)) return -EINVAL; @@ -236,7 +238,11 @@ static ssize_t write_getfs(struct file *file, char *buf, size_t size) res = (struct knfsd_fh*)buf; exp_readlock(); - if (!(clp = auth_unix_lookup(sin->sin_addr))) + + ipv6_addr_set_v4mapped(sin->sin_addr.s_addr, &in6); + + clp = auth_unix_lookup(&in6); + if (!clp) err = -EPERM; else { err = exp_rootfh(clp, data->gd_path, res, data->gd_maxlen); @@ -257,6 +263,7 @@ static ssize_t write_getfd(struct file *file, char *buf, size_t size) int err = 0; struct knfsd_fh fh; char *res; + struct in6_addr in6; if (size < sizeof(*data)) return -EINVAL; @@ -271,7 +278,11 @@ static ssize_t write_getfd(struct file *file, char *buf, size_t size) res = buf; sin = (struct sockaddr_in *)&data->gd_addr; exp_readlock(); - if (!(clp = auth_unix_lookup(sin->sin_addr))) + + ipv6_addr_set_v4mapped(sin->sin_addr.s_addr, &in6); + + clp = auth_unix_lookup(&in6); + if (!clp) err = -EPERM; else { err = exp_rootfh(clp, data->gd_path, &fh, NFS_FHSIZE); |