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ssl_cert_dup: Fix memory leak 

Always use goto err on failure and call ssl_cert_free() on the error path so all
fields and "ret" itself are freed

Signed-off-by: Kurt Roeckx <kurt@roeckx.be>
Reviewed-by: Richard Levitte <levitte@openssl.org>
This commit is contained in:
Jonas Maebe 2013-12-02 21:46:46 +01:00 committed by Kurt Roeckx
parent 6c42b39c95
commit b3b966fb87
1 changed files with 2 additions and 22 deletions
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24
ssl/ssl_cert.c
View File

@ -315,7 +315,7 @@ CERT *ssl_cert_dup(CERT *cert)
if (ret->pkeys[i].serverinfo == NULL) if (ret->pkeys[i].serverinfo == NULL)
{ {
SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_MALLOC_FAILURE); SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_MALLOC_FAILURE);
return NULL; goto err;
} }
ret->pkeys[i].serverinfo_length = ret->pkeys[i].serverinfo_length =
cert->pkeys[i].serverinfo_length; cert->pkeys[i].serverinfo_length;
@ -403,28 +403,8 @@ CERT *ssl_cert_dup(CERT *cert)
return(ret); return(ret);
#if !defined(OPENSSL_NO_DH) || !defined(OPENSSL_NO_ECDH)
err: err:
#endif ssl_cert_free(ret);
#ifndef OPENSSL_NO_RSA
if (ret->rsa_tmp != NULL)
RSA_free(ret->rsa_tmp);
#endif
#ifndef OPENSSL_NO_DH
if (ret->dh_tmp != NULL)
DH_free(ret->dh_tmp);
#endif
#ifndef OPENSSL_NO_ECDH
if (ret->ecdh_tmp != NULL)
EC_KEY_free(ret->ecdh_tmp);
#endif
#ifndef OPENSSL_NO_TLSEXT
custom_exts_free(&ret->cli_ext);
custom_exts_free(&ret->srv_ext);
#endif
ssl_cert_clear_certs(ret);
return NULL; return NULL;
} }