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Handle failing cases of DH allocation

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This commit is contained in:
Nick Mathewson 2011-01-25 18:09:38 -05:00
parent c939c953ae
commit 76582442a8
2 changed files with 5 additions and 0 deletions
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1
src/common/tortls.c
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@ -808,6 +808,7 @@ tor_tls_context_new(crypto_pk_env_t *identity, unsigned int key_lifetime)
goto error; goto error;
{ {
crypto_dh_env_t *dh = crypto_dh_new(DH_TYPE_TLS); crypto_dh_env_t *dh = crypto_dh_new(DH_TYPE_TLS);
tor_assert(dh);
SSL_CTX_set_tmp_dh(result->ctx, _crypto_dh_env_get_dh(dh)); SSL_CTX_set_tmp_dh(result->ctx, _crypto_dh_env_get_dh(dh));
crypto_dh_free(dh); crypto_dh_free(dh);
} }

4
src/or/onion.c
View File

@ -259,6 +259,10 @@ onion_skin_server_handshake(const char *onion_skin, /*ONIONSKIN_CHALLENGE_LEN*/
} }
dh = crypto_dh_new(DH_TYPE_CIRCUIT); dh = crypto_dh_new(DH_TYPE_CIRCUIT);
if (!dh) {
log_warn(LD_BUG, "Couldn't allocate DH key");
goto err;
}
if (crypto_dh_get_public(dh, handshake_reply_out, DH_KEY_LEN)) { if (crypto_dh_get_public(dh, handshake_reply_out, DH_KEY_LEN)) {
log_info(LD_GENERAL, "crypto_dh_get_public failed."); log_info(LD_GENERAL, "crypto_dh_get_public failed.");
goto err; goto err;