[PATCH 8/8] net: Implement socketat.
From: Eric W. Biederman <hidden>
Date: 2010-09-23 08:51:59
Also in:
linux-fsdevel, lkml, netfilter-devel
Subsystem:
networking [general], networking [sockets], the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Kuniyuki Iwashima, Willem de Bruijn, Linus Torvalds
Possibly related (same subject, not in this thread)
- 2010-10-04 · Re: [PATCH 8/8] net: Implement socketat. · Eric W. Biederman <hidden>
- 2010-10-04 · Re: [PATCH 8/8] net: Implement socketat. · Daniel Lezcano <hidden>
- 2010-10-03 · Re: [PATCH 8/8] net: Implement socketat. · jamal <hidden>
- 2010-10-02 · Re: [PATCH 8/8] net: Implement socketat. · Daniel Lezcano <hidden>
- 2010-09-23 · Re: [PATCH 8/8] net: Implement socketat. · Eric W. Biederman <hidden>
Add a system call for creating sockets in a specified network namespace. Signed-off-by: Eric W. Biederman <ebiederm-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org> --- net/socket.c | 26 ++++++++++++++++++++++++-- 1 files changed, 24 insertions(+), 2 deletions(-)
diff --git a/net/socket.c b/net/socket.c
index 2270b94..1116f3c 100644
--- a/net/socket.c
+++ b/net/socket.c@@ -1269,7 +1269,7 @@ int sock_create_kern(int family, int type, int protocol, struct socket **res) } EXPORT_SYMBOL(sock_create_kern); -SYSCALL_DEFINE3(socket, int, family, int, type, int, protocol) +static int do_socket(struct net *net, int family, int type, int protocol) { int retval; struct socket *sock;
@@ -1289,7 +1289,7 @@ SYSCALL_DEFINE3(socket, int, family, int, type, int, protocol) if (SOCK_NONBLOCK != O_NONBLOCK && (flags & SOCK_NONBLOCK)) flags = (flags & ~SOCK_NONBLOCK) | O_NONBLOCK; - retval = sock_create(family, type, protocol, &sock); + retval = __sock_create(net, family, type, protocol, &sock, 0); if (retval < 0) goto out;
@@ -1306,6 +1306,28 @@ out_release: return retval; } +SYSCALL_DEFINE3(socket, int, family, int, type, int, protocol) +{ + return do_socket(current->nsproxy->net_ns, family, type, protocol); +} + +SYSCALL_DEFINE4(socketat, int, fd, int, family, int, type, int, protocol) +{ + struct net *net; + int retval; + + if (fd == -1) { + net = get_net(current->nsproxy->net_ns); + } else { + net = get_net_ns_by_fd(fd); + if (IS_ERR(net)) + return PTR_ERR(net); + } + retval = do_socket(net, family, type, protocol); + put_net(net); + return retval; +} + /* * Create a pair of connected sockets. */
--
1.6.5.2.143.g8cc62