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authorSrikanth Akula <srakula@cisco.com>2019-11-18 11:49:58 -0800
committerFlorin Coras <florin.coras@gmail.com>2019-11-18 23:48:00 +0000
commite140d5d0255b80f8dda945daf7202b5698d81d9b (patch)
treea49fd80aee3b5d844712f89f04cdf6a5ed9a853c /src/vnet/session/session.c
parentc17fc44735b509b22476e8663e33be62678837a2 (diff)
session: extra checks in session validation
Type: fix Adding few extra checks while doign session validationwq! Signed-off-by: Srikanth Akula <srakula@cisco.com> Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: I4d18b5ad97d1802ce38a07aeb56b5f35939c1187
Diffstat (limited to 'src/vnet/session/session.c')
-rw-r--r--src/vnet/session/session.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/src/vnet/session/session.c b/src/vnet/session/session.c
index 163f4d2a6a6..0751739732f 100644
--- a/src/vnet/session/session.c
+++ b/src/vnet/session/session.c
@@ -205,6 +205,32 @@ session_free (session_t * s)
pool_put (session_main.wrk[s->thread_index].sessions, s);
}
+u8
+session_is_valid (u32 si, u8 thread_index)
+{
+ session_t *s;
+ transport_connection_t *tc;
+
+ s = pool_elt_at_index (session_main.wrk[thread_index].sessions, si);
+
+ if (!s)
+ return 1;
+
+ if (s->thread_index != thread_index || s->session_index != si)
+ return 0;
+
+ if (s->session_state == SESSION_STATE_TRANSPORT_DELETED
+ || s->session_state <= SESSION_STATE_LISTENING)
+ return 1;
+
+ tc = session_get_transport (s);
+ if (s->connection_index != tc->c_index
+ || s->thread_index != tc->thread_index || tc->s_index != si)
+ return 0;
+
+ return 1;
+}
+
static void
session_cleanup_notify (session_t * s, session_cleanup_ntf_t ntf)
{