Register all RPC programs with portmapper by default
Subsystems (3)
PATCH 20/22 Register all RPC programs with portmapper by default
From: Olaf Kirch <[email protected]>
Subject: [sunrpc] Register all RPC programs with portmapper by default
The NFSACL patches introduced support for multiple RPC services listening on the same transport. However, only the first of these services was registered with portmapper. This was perfectly fine for nfsacl, as you traditionally do not want these to show up in a portmapper listing.
The patch below changes the default behavior to always register all services listening on a given transport, but retains the old behavior for nfsacl services.
fs/nfsd/nfs2acl.c | 1 + fs/nfsd/nfs3acl.c | 1 + include/linux/sunrpc/svc.h | 3 +++ net/sunrpc/svc.c | 37 +++++++++++++++++++++++-------------- 4 files changed, 28 insertions(+), 14 deletions(-)
fs/nfsd/nfs2acl.c +1 -0
@@ -333,4 +333,5 @@ struct svc_version nfsd_acl_version2 = { .vs_proc = nfsd_acl_procedures2, .vs_dispatch = nfsd_dispatch, .vs_xdrsize = NFS3_SVC_XDRSIZE, + .vs_hidden = 1, };
fs/nfsd/nfs3acl.c +1 -0
@@ -263,5 +263,6 @@ struct svc_version nfsd_acl_version3 = { .vs_proc = nfsd_acl_procedures3, .vs_dispatch = nfsd_dispatch, .vs_xdrsize = NFS3_SVC_XDRSIZE, + .vs_hidden = 1, };
include/linux/sunrpc/svc.h +3 -0
@@ -280,6 +280,9 @@ struct svc_version {struct svc_procedure * vs_proc;/* per-procedure info */ u32 vs_xdrsize;/* xdrsize needed for this version */ + unsigned int vs_hidden : 1; /* Don't register with portmapper. +* Only used for nfsacl so far. */ +/* Override dispatch function (e.g. when caching replies). * A return value of 0 means drop the request. * vs_dispatch == NULL means use default dispatcher.
net/sunrpc/svc.c +23 -14
@@ -215,23 +215,32 @@ svc_register(struct svc_serv *serv, intunsigned long flags;int i, error =0 , dummy; - progp = serv->sv_program; - -dprintk ("RPC: svc_register(%s, %s, %d)\n" , - progp->pg_name, proto ==IPPROTO_UDP ?"udp" :"tcp" , port); -if (!port)clear_thread_flag (TIF_SIGPENDING ); -for (i =0 ; i < progp->pg_nvers; i++) { -if (progp->pg_vers[i] ==NULL ) -continue ; - error =rpc_register (progp->pg_prog, i, proto, port, &dummy); -if (error <0 ) -break ; -if (port && !dummy) { - error = -EACCES ; -break ; +for (progp = serv->sv_program; progp; progp = progp->pg_next) { +for (i =0 ; i < progp->pg_nvers; i++) { +if (progp->pg_vers[i] ==NULL ) +continue ; + +dprintk ("RPC: svc_register(%s, %s, %d, %d)%s\n" , + progp->pg_name, + proto ==IPPROTO_UDP ?"udp" :"tcp" , + port, + i, + progp->pg_vers[i]->vs_hidden? +" (but not telling portmap)" :"" ); + +if (progp->pg_vers[i]->vs_hidden) +continue ; + + error =rpc_register (progp->pg_prog, i, proto, port, &dummy); +if (error <0 ) +break ; +if (port && !dummy) { + error = -EACCES ; +break ; + } } }
-------------------------------------------------------------------------
Take Surveys. Earn Cash. Influence the Future of IT
Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys -- and earn cash
http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV
_______________________________________________
NFS maillist - [email protected]
https://lists.sourceforge.net/lists/listinfo/nfs