diff options
| author | Jonas Maebe <jonas.maebe@elis.ugent.be> | 2013-12-08 17:24:18 +0100 |
|---|---|---|
| committer | Matt Caswell <matt@openssl.org> | 2016-06-03 20:31:24 +0100 |
| commit | f3cab0b11ffd1e1816f34a2880493ff1a3313f49 (patch) | |
| tree | d2ebdae5dc76056ad52ec2511cabb88f9d7ac713 /crypto/engine | |
| parent | 782a2be2ed5f4781d6c90d56ccf4a608b875f325 (diff) | |
cryptodev_asym, zapparams: use OPENSSL_* allocation routines, handle errors
zapparams modification based on tip from Matt Caswell
RT#3198
Reviewed-by: Rich Salz <rsalz@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
Diffstat (limited to 'crypto/engine')
| -rw-r--r-- | crypto/engine/eng_cryptodev.c | 23 |
1 files changed, 16 insertions, 7 deletions
diff --git a/crypto/engine/eng_cryptodev.c b/crypto/engine/eng_cryptodev.c index 8fb9c3373d..5a2ca6d72e 100644 --- a/crypto/engine/eng_cryptodev.c +++ b/crypto/engine/eng_cryptodev.c @@ -26,6 +26,7 @@ * */ +#include <string.h> #include <openssl/objects.h> #include <openssl/engine.h> #include <openssl/evp.h> @@ -1064,8 +1065,7 @@ static void zapparams(struct crypt_kop *kop) int i; for (i = 0; i < kop->crk_iparams + kop->crk_oparams; i++) { - if (kop->crk_param[i].crp_p) - free(kop->crk_param[i].crp_p); + OPENSSL_free(kop->crk_param[i].crp_p); kop->crk_param[i].crp_p = NULL; kop->crk_param[i].crp_nbits = 0; } @@ -1078,16 +1078,25 @@ cryptodev_asym(struct crypt_kop *kop, int rlen, BIGNUM *r, int slen, int fd, ret = -1; if ((fd = get_asym_dev_crypto()) < 0) - return (ret); + return ret; if (r) { - kop->crk_param[kop->crk_iparams].crp_p = calloc(rlen, sizeof(char)); + kop->crk_param[kop->crk_iparams].crp_p = OPENSSL_malloc(rlen); + if (kop->crk_param[kop->crk_iparams].crp_p == NULL) + return ret; + memset(kop->crk_param[kop->crk_iparams].crp_p, 0, (size_t)rlen); kop->crk_param[kop->crk_iparams].crp_nbits = rlen * 8; kop->crk_oparams++; } if (s) { - kop->crk_param[kop->crk_iparams + 1].crp_p = - calloc(slen, sizeof(char)); + kop->crk_param[kop->crk_iparams + 1].crp_p = OPENSSL_malloc(slen); + /* No need to free the kop->crk_iparams parameter if it was allocated, + * callers of this routine have to free allocated parameters through + * zapparams both in case of success and failure + */ + if (kop->crk_param[kop->crk_iparams+1].crp_p == NULL) + return ret; + memset(kop->crk_param[kop->crk_iparams + 1].crp_p, 0, (size_t)slen); kop->crk_param[kop->crk_iparams + 1].crp_nbits = slen * 8; kop->crk_oparams++; } @@ -1100,7 +1109,7 @@ cryptodev_asym(struct crypt_kop *kop, int rlen, BIGNUM *r, int slen, ret = 0; } - return (ret); + return ret; } static int |