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FT: Merge similar error paths to use common steps

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Signed-off-by: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2017-02-19 12:23:21 +02:00
parent c89422864f
commit a8e25deeb8
1 changed files with 16 additions and 24 deletions
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40
src/ap/wpa_auth_ft.c
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@ -1011,41 +1011,35 @@ static int wpa_ft_process_auth_req(struct wpa_state_machine *sm,
buflen = 2 + sizeof(struct rsn_mdie) + 2 + sizeof(struct rsn_ftie) +
2 + FT_R1KH_ID_LEN + 200;
*resp_ies = os_zalloc(buflen);
if (*resp_ies == NULL) {
return WLAN_STATUS_UNSPECIFIED_FAILURE;
}
if (*resp_ies == NULL)
goto fail;
pos = *resp_ies;
end = *resp_ies + buflen;
ret = wpa_write_rsn_ie(conf, pos, end - pos, parse.rsn_pmkid);
if (ret < 0) {
os_free(*resp_ies);
*resp_ies = NULL;
return WLAN_STATUS_UNSPECIFIED_FAILURE;
}
if (ret < 0)
goto fail;
pos += ret;
ret = wpa_write_mdie(conf, pos, end - pos);
if (ret < 0) {
os_free(*resp_ies);
*resp_ies = NULL;
return WLAN_STATUS_UNSPECIFIED_FAILURE;
}
if (ret < 0)
goto fail;
pos += ret;
ret = wpa_write_ftie(conf, parse.r0kh_id, parse.r0kh_id_len,
sm->ANonce, sm->SNonce, pos, end - pos, NULL, 0);
if (ret < 0) {
os_free(*resp_ies);
*resp_ies = NULL;
return WLAN_STATUS_UNSPECIFIED_FAILURE;
}
if (ret < 0)
goto fail;
pos += ret;
*resp_ies_len = pos - *resp_ies;
return WLAN_STATUS_SUCCESS;
fail:
os_free(*resp_ies);
*resp_ies = NULL;
return WLAN_STATUS_UNSPECIFIED_FAILURE;
}
@ -1543,12 +1537,10 @@ static int ft_pull_resp_cb(struct wpa_state_machine *sm, void *ctx)
{
struct ft_r0kh_r1kh_resp_frame *frame = ctx;
if (os_memcmp(frame->s1kh_id, sm->addr, ETH_ALEN) != 0)
return 0;
if (os_memcmp(frame->nonce, sm->ft_pending_pull_nonce,
FT_R0KH_R1KH_PULL_NONCE_LEN) != 0)
return 0;
if (sm->ft_pending_cb == NULL || sm->ft_pending_req_ies == NULL)
if (os_memcmp(frame->s1kh_id, sm->addr, ETH_ALEN) != 0 ||
os_memcmp(frame->nonce, sm->ft_pending_pull_nonce,
FT_R0KH_R1KH_PULL_NONCE_LEN) != 0 ||
sm->ft_pending_cb == NULL || sm->ft_pending_req_ies == NULL)
return 0;
wpa_printf(MSG_DEBUG, "FT: Response to a pending pull request for "