From: Frediano Ziglio <[email protected]>
Signed-off-by: Frediano Ziglio <[email protected]>
Acked-by: Uri Lublin <[email protected]>
---
src/vdagentd/vdagentd.c | 24 ++++++++++++++++++++++++
1 file changed, 24 insertions(+)
diff --git a/src/vdagentd/vdagentd.c b/src/vdagentd/vdagentd.c
index 59aa523..92885b5 100644
--- a/src/vdagentd/vdagentd.c
+++ b/src/vdagentd/vdagentd.c
@@ -952,6 +952,20 @@ static gboolean remove_active_xfers(gpointer key, gpointer
value, gpointer conn)
return 0;
}
+/* Check if this connection matches the passed session */
+static int connection_matches_session(UdscsConnection *conn, void *priv)
+{
+ const char *session = priv;
+ const struct agent_data *agent_data = g_object_get_data(G_OBJECT(conn),
"agent_data");
+
+ if (!agent_data || !agent_data->session ||
+ strcmp(agent_data->session, session) != 0) {
+ return 0;
+ }
+
+ return 1;
+}
+
/* Check a given process has a given UID */
static bool check_uid_of_pid(pid_t pid, uid_t uid)
{
@@ -1006,6 +1020,16 @@ static void agent_connect(UdscsConnection *conn)
udscs_server_destroy_connection(server, conn);
return;
}
+
+ // Check there are no other connection for this session
+ // Note that "conn" is not counted as "agent_data" is still not
attached to it
+ if (udscs_server_for_all_clients(server, connection_matches_session,
+ agent_data->session) > 0) {
+ syslog(LOG_ERR, "An agent is already connected for this session");
+ agent_data_destroy(agent_data);
+ udscs_server_destroy_connection(server, conn);
+ return;
+ }
}
g_object_set_data_full(G_OBJECT(conn), "agent_data", agent_data,
--
2.26.2
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