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session: session table holding free appns index

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session table may be shared among multiple appns's.
  app ns add id blue secret 1 if tap0
  app ns add id red secret 1 if tap0

session table holds the last added app_ns's appns_index.
If the last app_ns is deleted, session table is not free
since there is still an appns which uses the same session
table. In that case, session table is holding the free
app_ns's appns_index and it can cause problem.

The fix is to modify appns_index in session table to hold
a vector of appns_index's instead of just the appns_index
that was last added. When the app ns is deleted, remove the
deleted appns_index from the session table's vector of
appns_index's.

Type: fix

Change-Id: Ied8bc97f185071dc89b9b56656e18efbd2995131
Signed-off-by: Steven Luong <sluong@cisco.com>
This commit is contained in:
Steven Luong
2024-10-22 10:44:07 -07:00
committed by Florin Coras
parent afd05739d6
commit e0c4e6e32d
11 changed files with 503 additions and 27 deletions
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4
src/plugins/unittest/session_test.c
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@ -825,6 +825,8 @@ session_test_rule_table (vlib_main_t * vm, unformat_input_t * input)
session_test_enable_rule_table_engine (vm);
session_table_init (st, FIB_PROTOCOL_MAX);
vec_add1 (st->appns_index,
app_namespace_index (app_namespace_get_default ()));
session_rules_table_init (st, FIB_PROTOCOL_MAX);
ip4_address_t lcl_ip = {
@ -2238,6 +2240,8 @@ session_test_sdl (vlib_main_t *vm, unformat_input_t *input)
session_test_enable_sdl_engine (vm);
session_table_init (st, FIB_PROTOCOL_MAX);
vec_add1 (st->appns_index,
app_namespace_index (app_namespace_get_default ()));
session_rules_table_init (st, FIB_PROTOCOL_MAX);
/* Add 1.2.0.0/16 */