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</o:shapelayout></xml><![endif]--></head><body lang=KO link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span lang=EN-US>From 3bdb494aa2be26ed2b8ba9115994fd5f4939d5fa Mon Sep 17 00:00:00 2001<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>From: Sung-Jin Park <input.hacker@gmail.com><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Date: Mon, 11 Jan 2016 18:51:21 +0900<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Subject: [PATCH] server: Add an API to get the socket fd for a client<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>This adds an API to get the socket fd for a client.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>The client socket fd can be used for a wayland compositor to validate a request<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>from a client.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>For instance, this will be helpful in some linux distributions, in which SELinux<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>or SMACK is enabled. In those environments, each file (including socket) will have<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>each security context in its inode as xattr member variable. A wayland compositor<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>can validate a client request by getting socket fd of the client and by checking<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>the security context associated with the socket fd.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Signed-off-by: Sung-Jin Park <input.hacker@gmail.com><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>---<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> src/wayland-server-core.h | 3 +++<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> src/wayland-server.c | 15 +++++++++++++++<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> 2 files changed, 18 insertions(+)<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>diff --git a/src/wayland-server-core.h b/src/wayland-server-core.h<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>index 1700cd3..0d5fbc1 100644<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>--- a/src/wayland-server-core.h<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>+++ b/src/wayland-server-core.h<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>@@ -182,6 +182,9 @@ void<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> wl_client_get_credentials(struct wl_client *client,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> pid_t *pid, uid_t *uid, gid_t *gid);<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>+int<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>+wl_client_get_socket_fd(struct wl_client *client);<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>+<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> void<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> wl_client_add_destroy_listener(struct wl_client *client,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> struct wl_listener *listener);<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>diff --git a/src/wayland-server.c b/src/wayland-server.c<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>index 55c0cf9..973a71c 100644<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>--- a/src/wayland-server.c<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>+++ b/src/wayland-server.c<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>@@ -491,6 +491,21 @@ wl_client_get_credentials(struct wl_client *client,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> *gid = client->ucred.gid;<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> }<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>+/** Get the socket fd for the client<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>+ *<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>+ * \param client The display object<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>+ * \return fd The fd to use for the connection<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>+ *<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>+ * This function returns the client socket fd for the given client.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>+ *<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>+ * \memberof wl_client<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>+ */<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>+WL_EXPORT int<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>+wl_client_get_socket_fd(struct wl_client *client)<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>+{<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>+ return client->connection->fd;<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>+}<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>+<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> /** Look up an object in the client name space<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> *<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> * \param client The client object<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>-- <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>1.9.1<o:p></o:p></span></p></div></body></html>