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Fixed opportunistic key caching (OKC)

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wpa_sm_set_config() can be called even if the network block does not
change. However, the previous version ended up calling
pmksa_cache_notify_reconfig() every time and this cleared the network
context from PMKSA cache entries. This prevented OKC from ever being used.

Do not call pmksa_cache_notify_reconfig() if the network context remains
unchanged to allow OKC to be used.
This commit is contained in:
Jouni Malinen 2008-08-03 20:16:59 +03:00
parent 3fbda8f943
commit 3ff77e070d
2 changed files with 3 additions and 1 deletions
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1
src/rsn_supp/wpa.c
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@ -2014,6 +2014,7 @@ void wpa_sm_set_config(struct wpa_sm *sm, struct rsn_supp_config *config)
sm->eap_conf_ctx = NULL; sm->eap_conf_ctx = NULL;
sm->ssid_len = 0; sm->ssid_len = 0;
} }
if (config == NULL || config->network_ctx != sm->network_ctx)
pmksa_cache_notify_reconfig(sm->pmksa); pmksa_cache_notify_reconfig(sm->pmksa);
} }

1
wpa_supplicant/ChangeLog
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@ -16,6 +16,7 @@ ChangeLog for wpa_supplicant
calculations (CONFIG_INTERNAL_LIBTOMMATH_FAST=y) calculations (CONFIG_INTERNAL_LIBTOMMATH_FAST=y)
* fixed race condition between disassociation event and group key * fixed race condition between disassociation event and group key
handshake to avoid getting stuck in incorrect state [Bug 261] handshake to avoid getting stuck in incorrect state [Bug 261]
* fixed opportunistic key caching (proactive_key_caching)
2008-02-22 - v0.6.3 2008-02-22 - v0.6.3
* removed 'nai' and 'eappsk' network configuration variables that were * removed 'nai' and 'eappsk' network configuration variables that were