diff options
Diffstat (limited to 'net/sunrpc/rpcb_clnt.c')
| -rw-r--r-- | net/sunrpc/rpcb_clnt.c | 39 |
1 files changed, 31 insertions, 8 deletions
diff --git a/net/sunrpc/rpcb_clnt.c b/net/sunrpc/rpcb_clnt.c index 5a8e6d46809a..5988a5c5ff3f 100644 --- a/net/sunrpc/rpcb_clnt.c +++ b/net/sunrpc/rpcb_clnt.c @@ -36,6 +36,7 @@ #include "netns.h" #define RPCBIND_SOCK_PATHNAME "/var/run/rpcbind.sock" +#define RPCBIND_SOCK_ABSTRACT_NAME "\0/run/rpcbind.sock" #define RPCBIND_PROGRAM (100000u) #define RPCBIND_PORT (111u) @@ -216,21 +217,22 @@ static void rpcb_set_local(struct net *net, struct rpc_clnt *clnt, sn->rpcb_users = 1; } +/* Evaluate to actual length of the `sockaddr_un' structure. */ +# define SUN_LEN(ptr) (offsetof(struct sockaddr_un, sun_path) \ + + 1 + strlen((ptr)->sun_path + 1)) + /* * Returns zero on success, otherwise a negative errno value * is returned. */ -static int rpcb_create_local_unix(struct net *net) +static int rpcb_create_af_local(struct net *net, + const struct sockaddr_un *addr) { - static const struct sockaddr_un rpcb_localaddr_rpcbind = { - .sun_family = AF_LOCAL, - .sun_path = RPCBIND_SOCK_PATHNAME, - }; struct rpc_create_args args = { .net = net, .protocol = XPRT_TRANSPORT_LOCAL, - .address = (struct sockaddr *)&rpcb_localaddr_rpcbind, - .addrsize = sizeof(rpcb_localaddr_rpcbind), + .address = (struct sockaddr *)addr, + .addrsize = SUN_LEN(addr), .servername = "localhost", .program = &rpcb_program, .version = RPCBVERS_2, @@ -269,6 +271,26 @@ out: return result; } +static int rpcb_create_local_abstract(struct net *net) +{ + static const struct sockaddr_un rpcb_localaddr_abstract = { + .sun_family = AF_LOCAL, + .sun_path = RPCBIND_SOCK_ABSTRACT_NAME, + }; + + return rpcb_create_af_local(net, &rpcb_localaddr_abstract); +} + +static int rpcb_create_local_unix(struct net *net) +{ + static const struct sockaddr_un rpcb_localaddr_unix = { + .sun_family = AF_LOCAL, + .sun_path = RPCBIND_SOCK_PATHNAME, + }; + + return rpcb_create_af_local(net, &rpcb_localaddr_unix); +} + /* * Returns zero on success, otherwise a negative errno value * is returned. @@ -332,7 +354,8 @@ int rpcb_create_local(struct net *net) if (rpcb_get_local(net)) goto out; - if (rpcb_create_local_unix(net) != 0) + if (rpcb_create_local_abstract(net) != 0 && + rpcb_create_local_unix(net) != 0) result = rpcb_create_local_net(net); out: |