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| author | Steve Dickson <steved@redhat.com> | 2016-05-25 10:36:50 -0400 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@primarydata.com> | 2016-07-19 16:23:23 -0400 |
| commit | e68fd7c8071d541d3f2f7eed5814b63e865dd277 (patch) | |
| tree | 5ea2974538ef751b559f3c54c43d684057dff728 /fs/nfs/super.c | |
| parent | f7db0b283868411dc6bc8a223fd032b211d2d91f (diff) | |
| download | linux-e68fd7c8071d541d3f2f7eed5814b63e865dd277.tar.gz | |
mount: use sec= that was specified on the command line
When older servers return RPC_AUTH_NULL, it means the rpc creds will be ignored. In that case use the sec= that was specified instead of setting sec=null Fixes Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1112983 Signed-off-by: Steve Dickson <steved@redhat.com> Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Diffstat (limited to 'fs/nfs/super.c')
| -rw-r--r-- | fs/nfs/super.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/fs/nfs/super.c b/fs/nfs/super.c index 2137e0202f25..18d446e1a82b 100644 --- a/fs/nfs/super.c +++ b/fs/nfs/super.c @@ -1684,6 +1684,7 @@ static int nfs_verify_authflavors(struct nfs_parsed_mount_data *args, { rpc_authflavor_t flavor = RPC_AUTH_MAXFLAVOR; unsigned int i; + int use_auth_null = false; /* * If the sec= mount option is used, the specified flavor or AUTH_NULL @@ -1691,14 +1692,21 @@ static int nfs_verify_authflavors(struct nfs_parsed_mount_data *args, * * AUTH_NULL has a special meaning when it's in the server list - it * means that the server will ignore the rpc creds, so any flavor - * can be used. + * can be used but still use the sec= that was specified. */ for (i = 0; i < count; i++) { flavor = server_authlist[i]; - if (nfs_auth_info_match(&args->auth_info, flavor) || - flavor == RPC_AUTH_NULL) + if (nfs_auth_info_match(&args->auth_info, flavor)) goto out; + + if (flavor == RPC_AUTH_NULL) + use_auth_null = true; + } + + if (use_auth_null) { + flavor = RPC_AUTH_NULL; + goto out; } dfprintk(MOUNT, |