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do not release uninitialized spec entries

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This commit is contained in:
Christian Grothoff 2015-07-06 13:58:12 +02:00
parent 523917276f
commit 9ba5635e0a
1 changed files with 84 additions and 65 deletions
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149
src/mint/taler-mint-httpd_parsing.c
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@ -140,6 +140,86 @@ buffer_append (struct Buffer *buf,
}
/**
* Release all memory allocated for the variable-size fields in
* the parser specification.
*
* @param spec specification to free
* @param spec_len number of items in @a spec to look at
*/
static void
release_data (struct TMH_PARSE_FieldSpecification *spec,
unsigned int spec_len)
{
unsigned int i;
void *ptr;
for (i=0; i < spec_len; i++)
{
switch (spec[i].command)
{
case TMH_PARSE_JNC_FIELD:
GNUNET_break (0);
return;
case TMH_PARSE_JNC_INDEX:
GNUNET_break (0);
return;
case TMH_PARSE_JNC_RET_DATA:
break;
case TMH_PARSE_JNC_RET_DATA_VAR:
if (0 != spec[i].destination_size_out)
{
GNUNET_free (spec[i].destination);
spec[i].destination = NULL;
spec[i].destination_size_out = 0;
}
break;
case TMH_PARSE_JNC_RET_TYPED_JSON:
ptr = *(void **) spec[i].destination;
if (NULL != ptr)
{
json_decref (ptr);
*(void**) spec[i].destination = NULL;
}
break;
case TMH_PARSE_JNC_RET_RSA_PUBLIC_KEY:
{
struct TALER_DenominationPublicKey *pk;
pk = spec[i].destination;
if (NULL != pk->rsa_public_key)
{
GNUNET_CRYPTO_rsa_public_key_free (pk->rsa_public_key);
pk->rsa_public_key = NULL;
}
}
break;
case TMH_PARSE_JNC_RET_RSA_SIGNATURE:
{
struct TALER_DenominationSignature *sig;
sig = spec[i].destination;
if (NULL != sig->rsa_signature)
{
GNUNET_CRYPTO_rsa_signature_free (sig->rsa_signature);
sig->rsa_signature = NULL;
}
}
break;
case TMH_PARSE_JNC_RET_AMOUNT:
memset (spec[i].destination,
0,
sizeof (struct TALER_Amount));
break;
case TMH_PARSE_JNC_RET_TIME_ABSOLUTE:
break;
case TMH_PARSE_JNC_RET_UINT64:
break;
}
}
}
/**
* Process a POST request containing a JSON object. This function
* realizes an MHD POST processor that will (incrementally) process
@ -838,7 +918,8 @@ TMH_PARSE_json_data (struct MHD_Connection *connection,
}
}
if (GNUNET_YES != ret)
TMH_PARSE_release_data (spec);
release_data (spec,
i);
return ret;
}
@ -853,71 +934,9 @@ void
TMH_PARSE_release_data (struct TMH_PARSE_FieldSpecification *spec)
{
unsigned int i;
void *ptr;
for (i=0; NULL != spec[i].field_name; i++)
{
switch (spec[i].command)
{
case TMH_PARSE_JNC_FIELD:
GNUNET_break (0);
return;
case TMH_PARSE_JNC_INDEX:
GNUNET_break (0);
return;
case TMH_PARSE_JNC_RET_DATA:
break;
case TMH_PARSE_JNC_RET_DATA_VAR:
if (0 != spec[i].destination_size_out)
{
GNUNET_free (spec[i].destination);
spec[i].destination = NULL;
spec[i].destination_size_out = 0;
}
break;
case TMH_PARSE_JNC_RET_TYPED_JSON:
ptr = *(void **) spec[i].destination;
if (NULL != ptr)
{
json_decref (ptr);
*(void**) spec[i].destination = NULL;
}
break;
case TMH_PARSE_JNC_RET_RSA_PUBLIC_KEY:
{
struct TALER_DenominationPublicKey *pk;
pk = spec[i].destination;
if (NULL != pk->rsa_public_key)
{
GNUNET_CRYPTO_rsa_public_key_free (pk->rsa_public_key);
pk->rsa_public_key = NULL;
}
}
break;
case TMH_PARSE_JNC_RET_RSA_SIGNATURE:
{
struct TALER_DenominationSignature *sig;
sig = spec[i].destination;
if (NULL != sig->rsa_signature)
{
GNUNET_CRYPTO_rsa_signature_free (sig->rsa_signature);
sig->rsa_signature = NULL;
}
}
break;
case TMH_PARSE_JNC_RET_AMOUNT:
memset (spec[i].destination,
0,
sizeof (struct TALER_Amount));
break;
case TMH_PARSE_JNC_RET_TIME_ABSOLUTE:
break;
case TMH_PARSE_JNC_RET_UINT64:
break;
}
}
for (i=0; NULL != spec[i].field_name; i++) ;
release_data (spec, i);
}