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Include peer certificate always in EAP events

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This makes it easier for upper layer applications to get information
regarding the server certificate without having to use a special
certificate probing connection. This provides both the SHA256 hash of
the certificate (to be used with ca_cert="hash://server/sha256/<hash>",
if desired) and the full DER encoded X.509 certificate so that upper
layer applications can parse and display the certificate easily or
extract fields from it for purposes like configuring an altsubject_match
or domain_suffix_match.

The old behavior can be configured by adding cert_in_cb=0 to
wpa_supplicant configuration file.

Signed-off-by: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2015-01-14 12:14:31 +02:00
parent dd5f902584
commit 483dd6a5e0
5 changed files with 20 additions and 0 deletions
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1
wpa_supplicant/config.c
View file

@ -3490,6 +3490,7 @@ struct wpa_config * wpa_config_alloc_empty(const char *ctrl_interface,
config->p2p_search_delay = DEFAULT_P2P_SEARCH_DELAY;
config->rand_addr_lifetime = DEFAULT_RAND_ADDR_LIFETIME;
config->key_mgmt_offload = DEFAULT_KEY_MGMT_OFFLOAD;
config->cert_in_cb = DEFAULT_CERT_IN_CB;
if (ctrl_interface)
config->ctrl_interface = os_strdup(ctrl_interface);

9
wpa_supplicant/config.h
View file

@ -31,6 +31,7 @@
#define DEFAULT_P2P_SEARCH_DELAY 500
#define DEFAULT_RAND_ADDR_LIFETIME 60
#define DEFAULT_KEY_MGMT_OFFLOAD 1
#define DEFAULT_CERT_IN_CB 1
#include "config_ssid.h"
#include "wps/wps.h"
@ -1119,6 +1120,14 @@ struct wpa_config {
* Maximum number of mesh peering currently maintained by the STA.
*/
int max_peer_links;
/**
* cert_in_cb - Whether to include a peer certificate dump in events
*
* This controls whether peer certificates for authentication server and
* its certificate chain are included in EAP peer certificate events.
*/
int cert_in_cb;
};

3
wpa_supplicant/config_file.c
View file

@ -1218,6 +1218,9 @@ static void wpa_config_write_global(FILE *f, struct wpa_config *config)
if (config->max_peer_links != DEFAULT_MAX_PEER_LINKS)
fprintf(f, "max_peer_links=%d\n", config->max_peer_links);
if (config->cert_in_cb != DEFAULT_CERT_IN_CB)
fprintf(f, "cert_in_cb=%d\n", config->cert_in_cb);
}
#endif /* CONFIG_NO_CONFIG_WRITE */

6
wpa_supplicant/wpa_supplicant.conf
View file

@ -127,6 +127,12 @@ ap_scan=1
# Maximum number of mesh peering currently maintained by the STA.
#max_peer_links=99
# cert_in_cb - Whether to include a peer certificate dump in events
# This controls whether peer certificates for authentication server and
# its certificate chain are included in EAP peer certificate events. This is
# enabled by default.
#cert_in_cb=1
# EAP fast re-authentication
# By default, fast re-authentication is enabled for all EAP methods that
# support it. This variable can be used to disable fast re-authentication.

1
wpa_supplicant/wpas_glue.c
View file

@ -948,6 +948,7 @@ int wpa_supplicant_init_eapol(struct wpa_supplicant *wpa_s)
ctx->port_cb = wpa_supplicant_port_cb;
ctx->cb = wpa_supplicant_eapol_cb;
ctx->cert_cb = wpa_supplicant_cert_cb;
ctx->cert_in_cb = wpa_s->conf->cert_in_cb;
ctx->status_cb = wpa_supplicant_status_cb;
ctx->set_anon_id = wpa_supplicant_set_anon_id;
ctx->cb_ctx = wpa_s;