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Fix search for outdated entries in SSL session cache

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Signed-off-by: Hanno Becker <hanno.becker@arm.com>
This commit is contained in:
Hanno Becker 2021-05-14 14:45:38 +01:00
parent c3f4a97b8f
commit 78196e366f
1 changed files with 4 additions and 9 deletions
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13
library/ssl_cache.c
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@ -137,9 +137,6 @@ static int ssl_cache_pick_writing_slot( mbedtls_ssl_cache_context *cache,
int count = 0;
mbedtls_ssl_cache_entry *cur, *last;
cur = cache->chain;
last = NULL;
/* Check 1: Is there already an entry with the given session ID?
*
* If yes, overwrite it.
@ -148,7 +145,8 @@ static int ssl_cache_pick_writing_slot( mbedtls_ssl_cache_context *cache,
* at the end of this loop, and `last` will point to the last
* entry, both of which will be used later. */
while( cur != NULL )
last = NULL;
for( cur = cache->chain; cur != NULL; cur = cur->next )
{
count++;
if( session_id_len == cur->session_id_len &&
@ -156,7 +154,7 @@ static int ssl_cache_pick_writing_slot( mbedtls_ssl_cache_context *cache,
{
goto found;
}
cur = cur->next;
last = cur;
}
/* Check 2: Is there an outdated entry in the cache?
@ -167,7 +165,7 @@ static int ssl_cache_pick_writing_slot( mbedtls_ssl_cache_context *cache,
*/
#if defined(MBEDTLS_HAVE_TIME)
while( cur != NULL )
for( cur = cache->chain; cur != NULL; cur = cur->next )
{
if( cache->timeout != 0 &&
(int) ( t - cur->timestamp ) > cache->timeout )
@ -180,9 +178,6 @@ static int ssl_cache_pick_writing_slot( mbedtls_ssl_cache_context *cache,
oldest = cur->timestamp;
old = cur;
}
last = cur;
cur = cur->next;
}
#endif /* MBEDTLS_HAVE_TIME */