Amazing-Mirror/fragattacks
1
0
Fork 0
mirror of https://github.com/vanhoefm/fragattacks.git synced 2024-11-28 18:28:23 -05:00
Code Issues Projects Releases Wiki Activity

DPP: Remove C-sign-key expiry

Browse Source 
This was removed in DPP tech spec v0.2.3.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
This commit is contained in:
Jouni Malinen 2017-10-10 01:17:33 +03:00 committed by Jouni Malinen
parent 6254045a51
commit c77e2ff096
9 changed files with 6 additions and 95 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
hostapd/config_file.c
View File

@ -3770,8 +3770,6 @@ static int hostapd_config_fill(struct hostapd_config *conf,
} else if (os_strcmp(buf, "dpp_csign") == 0) { } else if (os_strcmp(buf, "dpp_csign") == 0) {
if (parse_wpabuf_hex(line, buf, &bss->dpp_csign, pos)) if (parse_wpabuf_hex(line, buf, &bss->dpp_csign, pos))
return 1; return 1;
} else if (os_strcmp(buf, "dpp_csign_expiry") == 0) {
bss->dpp_csign_expiry = strtol(pos, NULL, 0);
#endif /* CONFIG_DPP */ #endif /* CONFIG_DPP */
#ifdef CONFIG_OWE #ifdef CONFIG_OWE
} else if (os_strcmp(buf, "owe_transition_bssid") == 0) { } else if (os_strcmp(buf, "owe_transition_bssid") == 0) {

1
src/ap/ap_config.h
View File

@ -642,7 +642,6 @@ struct hostapd_bss_config {
struct wpabuf *dpp_netaccesskey; struct wpabuf *dpp_netaccesskey;
unsigned int dpp_netaccesskey_expiry; unsigned int dpp_netaccesskey_expiry;
struct wpabuf *dpp_csign; struct wpabuf *dpp_csign;
unsigned int dpp_csign_expiry;
#endif /* CONFIG_DPP */ #endif /* CONFIG_DPP */
#ifdef CONFIG_OWE #ifdef CONFIG_OWE

30
src/ap/dpp_hostapd.c
View File

@ -732,14 +732,8 @@ static void hostapd_dpp_gas_resp_cb(void *ctx, const u8 *addr, u8 dialog_token,
wpa_snprintf_hex(hex, hexlen, wpa_snprintf_hex(hex, hexlen,
wpabuf_head(auth->c_sign_key), wpabuf_head(auth->c_sign_key),
wpabuf_len(auth->c_sign_key)); wpabuf_len(auth->c_sign_key));
if (auth->c_sign_key_expiry) wpa_msg(hapd->msg_ctx, MSG_INFO,
wpa_msg(hapd->msg_ctx, MSG_INFO, DPP_EVENT_C_SIGN_KEY "%s", hex);
DPP_EVENT_C_SIGN_KEY "%s %lu", hex,
(unsigned long)
auth->c_sign_key_expiry);
else
wpa_msg(hapd->msg_ctx, MSG_INFO,
DPP_EVENT_C_SIGN_KEY "%s", hex);
os_free(hex); os_free(hex);
} }
} }
@ -951,11 +945,6 @@ static void hostapd_dpp_rx_peer_disc_req(struct hostapd_data *hapd,
} }
os_get_time(&now); os_get_time(&now);
if (hapd->conf->dpp_csign_expiry &&
hapd->conf->dpp_csign_expiry < now.sec) {
wpa_printf(MSG_DEBUG, "DPP: C-sign-key expired");
return;
}
if (hapd->conf->dpp_netaccesskey_expiry && if (hapd->conf->dpp_netaccesskey_expiry &&
hapd->conf->dpp_netaccesskey_expiry < now.sec) { hapd->conf->dpp_netaccesskey_expiry < now.sec) {
@ -991,8 +980,6 @@ static void hostapd_dpp_rx_peer_disc_req(struct hostapd_data *hapd,
if (!expire || hapd->conf->dpp_netaccesskey_expiry < expire) if (!expire || hapd->conf->dpp_netaccesskey_expiry < expire)
expire = hapd->conf->dpp_netaccesskey_expiry; expire = hapd->conf->dpp_netaccesskey_expiry;
if (!expire || hapd->conf->dpp_csign_expiry < expire)
expire = hapd->conf->dpp_csign_expiry;
if (expire) if (expire)
expiration = expire - now.sec; expiration = expire - now.sec;
else else
@ -1306,14 +1293,13 @@ static unsigned int hostapd_dpp_next_configurator_id(struct hostapd_data *hapd)
int hostapd_dpp_configurator_add(struct hostapd_data *hapd, const char *cmd) int hostapd_dpp_configurator_add(struct hostapd_data *hapd, const char *cmd)
{ {
char *expiry = NULL, *curve = NULL; char *curve = NULL;
char *key = NULL; char *key = NULL;
u8 *privkey = NULL; u8 *privkey = NULL;
size_t privkey_len = 0; size_t privkey_len = 0;
int ret = -1; int ret = -1;
struct dpp_configurator *conf = NULL; struct dpp_configurator *conf = NULL;
expiry = get_param(cmd, " expiry=");
curve = get_param(cmd, " curve="); curve = get_param(cmd, " curve=");
key = get_param(cmd, " key="); key = get_param(cmd, " key=");
@ -1329,22 +1315,12 @@ int hostapd_dpp_configurator_add(struct hostapd_data *hapd, const char *cmd)
if (!conf) if (!conf)
goto fail; goto fail;
if (expiry) {
long int val;
val = strtol(expiry, NULL, 0);
if (val <= 0)
goto fail;
conf->csign_expiry = val;
}
conf->id = hostapd_dpp_next_configurator_id(hapd); conf->id = hostapd_dpp_next_configurator_id(hapd);
dl_list_add(&hapd->dpp_configurator, &conf->list); dl_list_add(&hapd->dpp_configurator, &conf->list);
ret = conf->id; ret = conf->id;
conf = NULL; conf = NULL;
fail: fail:
os_free(curve); os_free(curve);
os_free(expiry);
str_clear_free(key); str_clear_free(key);
bin_clear_free(privkey, privkey_len); bin_clear_free(privkey, privkey_len);
dpp_configurator_free(conf); dpp_configurator_free(conf);

25
src/common/dpp.c
View File

@ -3156,19 +3156,6 @@ skip_groups:
wpa_printf(MSG_DEBUG, "DPP: Failed to build csign JWK"); wpa_printf(MSG_DEBUG, "DPP: Failed to build csign JWK");
goto fail; goto fail;
} }
if (auth->conf->csign_expiry) {
struct os_tm tm;
if (os_gmtime(auth->conf->csign_expiry, &tm) < 0) {
wpa_printf(MSG_DEBUG,
"DPP: Failed to generate expiry string");
goto fail;
}
wpabuf_printf(buf,
",\"expiry\":\"%04u-%02u-%02uT%02u:%02u:%02uZ\"",
tm.year, tm.month, tm.day,
tm.hour, tm.min, tm.sec);
}
wpabuf_put_str(buf, "}}"); wpabuf_put_str(buf, "}}");
@ -4078,18 +4065,6 @@ static int dpp_parse_cred_dpp(struct dpp_authentication *auth,
} }
dpp_debug_print_key("DPP: Received C-sign-key", csign_pub); dpp_debug_print_key("DPP: Received C-sign-key", csign_pub);
token = json_get_member(cred, "expiry");
if (!token || token->type != JSON_STRING) {
wpa_printf(MSG_DEBUG,
"DPP: No expiry string found - C-sign-key does not expire");
} else {
wpa_printf(MSG_DEBUG, "DPP: expiry = %s", token->string);
if (dpp_key_expired(token->string, &auth->c_sign_key_expiry)) {
wpa_printf(MSG_DEBUG, "DPP: C-sign-key has expired");
goto fail;
}
}
token = json_get_member(cred, "signedConnector"); token = json_get_member(cred, "signedConnector");
if (!token || token->type != JSON_STRING) { if (!token || token->type != JSON_STRING) {
wpa_printf(MSG_DEBUG, "DPP: No signedConnector string found"); wpa_printf(MSG_DEBUG, "DPP: No signedConnector string found");

2
src/common/dpp.h
View File

@ -178,7 +178,6 @@ struct dpp_authentication {
struct wpabuf *net_access_key; struct wpabuf *net_access_key;
os_time_t net_access_key_expiry; os_time_t net_access_key_expiry;
struct wpabuf *c_sign_key; struct wpabuf *c_sign_key;
os_time_t c_sign_key_expiry;
#ifdef CONFIG_TESTING_OPTIONS #ifdef CONFIG_TESTING_OPTIONS
char *config_obj_override; char *config_obj_override;
char *discovery_override; char *discovery_override;
@ -194,7 +193,6 @@ struct dpp_configurator {
EVP_PKEY *csign; EVP_PKEY *csign;
char *kid; char *kid;
const struct dpp_curve_params *curve; const struct dpp_curve_params *curve;
os_time_t csign_expiry;
}; };
struct dpp_introduction { struct dpp_introduction {

1
wpa_supplicant/config.c
View File

@ -2279,7 +2279,6 @@ static const struct parse_data ssid_fields[] = {
{ STR_LEN(dpp_netaccesskey) }, { STR_LEN(dpp_netaccesskey) },
{ INT(dpp_netaccesskey_expiry) }, { INT(dpp_netaccesskey_expiry) },
{ STR_LEN(dpp_csign) }, { STR_LEN(dpp_csign) },
{ INT(dpp_csign_expiry) },
#endif /* CONFIG_DPP */ #endif /* CONFIG_DPP */
{ INT_RANGE(owe_group, 0, 65535) }, { INT_RANGE(owe_group, 0, 65535) },
}; };

1
wpa_supplicant/config_file.c
View File

@ -871,7 +871,6 @@ static void wpa_config_write_network(FILE *f, struct wpa_ssid *ssid)
STR(dpp_netaccesskey); STR(dpp_netaccesskey);
INT(dpp_netaccesskey_expiry); INT(dpp_netaccesskey_expiry);
STR(dpp_csign); STR(dpp_csign);
INT(dpp_csign_expiry);
#endif /* CONFIG_DPP */ #endif /* CONFIG_DPP */
INT(owe_group); INT(owe_group);
#ifdef CONFIG_HT_OVERRIDES #ifdef CONFIG_HT_OVERRIDES

7
wpa_supplicant/config_ssid.h
View File

@ -887,13 +887,6 @@ struct wpa_ssid {
*/ */
size_t dpp_csign_len; size_t dpp_csign_len;
/**
* dpp_csign_expiry - C-sign-key expiry in UNIX time stamp
*
* 0 indicates no expiration.
*/
unsigned int dpp_csign_expiry;
/** /**
* owe_group - OWE DH Group * owe_group - OWE DH Group
* *

32
wpa_supplicant/dpp_supplicant.c
View File

@ -935,7 +935,6 @@ static struct wpa_ssid * wpas_dpp_add_network(struct wpa_supplicant *wpa_s,
os_memcpy(ssid->dpp_csign, wpabuf_head(auth->c_sign_key), os_memcpy(ssid->dpp_csign, wpabuf_head(auth->c_sign_key),
wpabuf_len(auth->c_sign_key)); wpabuf_len(auth->c_sign_key));
ssid->dpp_csign_len = wpabuf_len(auth->c_sign_key); ssid->dpp_csign_len = wpabuf_len(auth->c_sign_key);
ssid->dpp_csign_expiry = auth->c_sign_key_expiry;
} }
if (auth->net_access_key) { if (auth->net_access_key) {
@ -1025,14 +1024,8 @@ static void wpas_dpp_handle_config_obj(struct wpa_supplicant *wpa_s,
wpa_snprintf_hex(hex, hexlen, wpa_snprintf_hex(hex, hexlen,
wpabuf_head(auth->c_sign_key), wpabuf_head(auth->c_sign_key),
wpabuf_len(auth->c_sign_key)); wpabuf_len(auth->c_sign_key));
if (auth->c_sign_key_expiry) wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_C_SIGN_KEY "%s",
wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_C_SIGN_KEY hex);
"%s %lu", hex,
(long unsigned)
auth->c_sign_key_expiry);
else
wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_C_SIGN_KEY
"%s", hex);
os_free(hex); os_free(hex);
} }
} }
@ -1348,8 +1341,6 @@ static void wpas_dpp_rx_peer_disc_resp(struct wpa_supplicant *wpa_s,
os_memcpy(entry->pmk, intro.pmk, intro.pmk_len); os_memcpy(entry->pmk, intro.pmk, intro.pmk_len);
entry->pmk_len = intro.pmk_len; entry->pmk_len = intro.pmk_len;
entry->akmp = WPA_KEY_MGMT_DPP; entry->akmp = WPA_KEY_MGMT_DPP;
if (!expiry || expiry > ssid->dpp_csign_expiry)
expiry = ssid->dpp_csign_expiry;
if (expiry) { if (expiry) {
os_get_time(&now); os_get_time(&now);
seconds = expiry - now.sec; seconds = expiry - now.sec;
@ -1712,14 +1703,13 @@ static unsigned int wpas_dpp_next_configurator_id(struct wpa_supplicant *wpa_s)
int wpas_dpp_configurator_add(struct wpa_supplicant *wpa_s, const char *cmd) int wpas_dpp_configurator_add(struct wpa_supplicant *wpa_s, const char *cmd)
{ {
char *expiry = NULL, *curve = NULL; char *curve = NULL;
char *key = NULL; char *key = NULL;
u8 *privkey = NULL; u8 *privkey = NULL;
size_t privkey_len = 0; size_t privkey_len = 0;
int ret = -1; int ret = -1;
struct dpp_configurator *conf = NULL; struct dpp_configurator *conf = NULL;
expiry = get_param(cmd, " expiry=");
curve = get_param(cmd, " curve="); curve = get_param(cmd, " curve=");
key = get_param(cmd, " key="); key = get_param(cmd, " key=");
@ -1735,22 +1725,12 @@ int wpas_dpp_configurator_add(struct wpa_supplicant *wpa_s, const char *cmd)
if (!conf) if (!conf)
goto fail; goto fail;
if (expiry) {
long int val;
val = strtol(expiry, NULL, 0);
if (val <= 0)
goto fail;
conf->csign_expiry = val;
}
conf->id = wpas_dpp_next_configurator_id(wpa_s); conf->id = wpas_dpp_next_configurator_id(wpa_s);
dl_list_add(&wpa_s->dpp_configurator, &conf->list); dl_list_add(&wpa_s->dpp_configurator, &conf->list);
ret = conf->id; ret = conf->id;
conf = NULL; conf = NULL;
fail: fail:
os_free(curve); os_free(curve);
os_free(expiry);
str_clear_free(key); str_clear_free(key);
bin_clear_free(privkey, privkey_len); bin_clear_free(privkey, privkey_len);
dpp_configurator_free(conf); dpp_configurator_free(conf);
@ -1860,12 +1840,6 @@ int wpas_dpp_check_connect(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
os_get_time(&now); os_get_time(&now);
if (ssid->dpp_csign_expiry && ssid->dpp_csign_expiry < now.sec) {
wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_MISSING_CONNECTOR
"C-sign-key expired");
return -1;
}
if (ssid->dpp_netaccesskey_expiry && if (ssid->dpp_netaccesskey_expiry &&
ssid->dpp_netaccesskey_expiry < now.sec) { ssid->dpp_netaccesskey_expiry < now.sec) {
wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_MISSING_CONNECTOR wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_MISSING_CONNECTOR