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pkcs15-sc-hsm: Avoid potential memory leaks

This commit is contained in:
Jakub Jelen 2019-08-26 14:02:47 +02:00 committed by Frank Morgner
parent fb67ffdca6
commit cc9020f56a
1 changed files with 11 additions and 2 deletions
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13
src/libopensc/pkcs15-sc-hsm.c
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@ -501,14 +501,23 @@ static int sc_pkcs15emu_sc_hsm_get_ec_public_key(struct sc_context *ctx, sc_cvc_
pubkey->alg_id->params = ecp;
pubkey->u.ec.ecpointQ.value = malloc(cvc->publicPointlen);
if (!pubkey->u.ec.ecpointQ.value)
if (!pubkey->u.ec.ecpointQ.value) {
free(pubkey->alg_id);
free(ecp->der.value);
free(ecp);
return SC_ERROR_OUT_OF_MEMORY;
}
memcpy(pubkey->u.ec.ecpointQ.value, cvc->publicPoint, cvc->publicPointlen);
pubkey->u.ec.ecpointQ.len = cvc->publicPointlen;
pubkey->u.ec.params.der.value = malloc(ecp->der.len);
if (!pubkey->u.ec.params.der.value)
if (!pubkey->u.ec.params.der.value) {
free(pubkey->u.ec.ecpointQ.value);
free(pubkey->alg_id);
free(ecp->der.value);
free(ecp);
return SC_ERROR_OUT_OF_MEMORY;
}
memcpy(pubkey->u.ec.params.der.value, ecp->der.value, ecp->der.len);
pubkey->u.ec.params.der.len = ecp->der.len;