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fix segfault in -7 mode

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regression since ef4eaffd57d939f49d2b0c02506872278baf039c
found by @binarymaster
This commit is contained in:
rofl0r 2017-12-04 11:53:52 +00:00 committed by wiire-a
parent cb38f8f97c
commit ef28cc6331
1 changed files with 5 additions and 0 deletions
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5
src/pixiewps.c
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@ -729,6 +729,10 @@ usage_err:
wps->e_s2 = malloc(WPS_SECRET_NONCE_LEN); if (!wps->e_s2) goto memory_err; wps->e_s2 = malloc(WPS_SECRET_NONCE_LEN); if (!wps->e_s2) goto memory_err;
wps->psk1 = malloc(WPS_HASH_LEN); if (!wps->psk1) goto memory_err; wps->psk1 = malloc(WPS_HASH_LEN); if (!wps->psk1) goto memory_err;
wps->psk2 = malloc(WPS_HASH_LEN); if (!wps->psk2) goto memory_err; wps->psk2 = malloc(WPS_HASH_LEN); if (!wps->psk2) goto memory_err;
wps->empty_psk = malloc(WPS_HASH_LEN); if (!wps->empty_psk) goto memory_err;
empty_pin_hmac(wps);
if ((vtag = find_vtag(decrypted5, wps->m5_encr_len - 16, WPS_TAG_E_SNONCE_1, WPS_NONCE_LEN))) { if ((vtag = find_vtag(decrypted5, wps->m5_encr_len - 16, WPS_TAG_E_SNONCE_1, WPS_NONCE_LEN))) {
memcpy(wps->e_s1, vtag->data, WPS_NONCE_LEN); memcpy(wps->e_s1, vtag->data, WPS_NONCE_LEN);
} }
@ -814,6 +818,7 @@ usage_err:
free(wps->e_s2); free(wps->e_s2);
free(wps->psk1); free(wps->psk1);
free(wps->psk2); free(wps->psk2);
free(wps->empty_psk);
} }
} }