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Cleanup of the PKCS7 stream long rc and braces.

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This commit is contained in:
David Garske
2019-01-31 14:37:25 -08:00
parent 3a0afc3506
commit c82d11f47d
1 changed files with 169 additions and 206 deletions
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375
wolfcrypt/src/pkcs7.c
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@ -3387,6 +3387,7 @@ static int PKCS7_VerifySignedData(PKCS7* pkcs7, const byte* hashBuf,
word32 pkiMsgSz = inSz;
#ifndef NO_PKCS7_STREAM
word32 stateIdx = 0;
long rc;
#endif
byte* pkiMsg2 = in2;
@ -3429,12 +3430,10 @@ static int PKCS7_VerifySignedData(PKCS7* pkcs7, const byte* hashBuf,
break;
}
{
long rc = wc_PKCS7_GetMaxStream(pkcs7, PKCS7_SEQ_PEEK, in, inSz);
if (rc < 0) {
ret = (int)rc;
break;
}
rc = wc_PKCS7_GetMaxStream(pkcs7, PKCS7_SEQ_PEEK, in, inSz);
if (rc < 0) {
ret = (int)rc;
break;
}
pkiMsgSz = (pkcs7->stream->length > 0)? pkcs7->stream->length :inSz;
#endif
@ -3472,13 +3471,11 @@ static int PKCS7_VerifySignedData(PKCS7* pkcs7, const byte* hashBuf,
return ASN_PARSE_E;
#ifndef NO_PKCS7_STREAM
{
long rc = wc_PKCS7_GetMaxStream(pkcs7, PKCS7_SEQ_PEEK,
pkiMsg, pkiMsgSz);
if (rc < 0) {
ret = (int)rc;
break;
}
rc = wc_PKCS7_GetMaxStream(pkcs7, PKCS7_SEQ_PEEK,
pkiMsg, pkiMsgSz);
if (rc < 0) {
ret = (int)rc;
break;
}
#endif
#else
@ -3700,15 +3697,14 @@ static int PKCS7_VerifySignedData(PKCS7* pkcs7, const byte* hashBuf,
break;
}
{
long rc = wc_PKCS7_GetMaxStream(pkcs7, PKCS7_DEFAULT_PEEK,
pkiMsg, pkiMsgSz);
if (rc < 0) {
ret = (int)rc;
break;
}
pkiMsgSz = (word32)rc;
rc = wc_PKCS7_GetMaxStream(pkcs7, PKCS7_DEFAULT_PEEK,
pkiMsg, pkiMsgSz);
if (rc < 0) {
ret = (int)rc;
break;
}
if (pkcs7->stream->length > 0)
pkiMsgSz = (word32)rc;
wc_PKCS7_StreamGetVar(pkcs7, &pkiMsg2Sz, (int*)&localIdx, &length);
if (pkcs7->stream->length > 0) {
@ -7160,6 +7156,7 @@ static int wc_PKCS7_DecryptKtri(PKCS7* pkcs7, byte* in, word32 inSz,
#ifndef NO_PKCS7_STREAM
word32 tmpIdx = *idx;
long rc;
#endif
#ifdef WC_RSA_BLINDING
WC_RNG rng;
@ -7183,15 +7180,13 @@ static int wc_PKCS7_DecryptKtri(PKCS7* pkcs7, byte* in, word32 inSz,
return ret;
}
{
long rc = wc_PKCS7_GetMaxStream(pkcs7, PKCS7_DEFAULT_PEEK,
in, inSz);
if (rc < 0) {
ret = (int)rc;
break;
}
pkiMsgSz = (word32)rc;
rc = wc_PKCS7_GetMaxStream(pkcs7, PKCS7_DEFAULT_PEEK,
in, inSz);
if (rc < 0) {
ret = (int)rc;
break;
}
pkiMsgSz = (word32)rc;
#endif
if (GetMyVersion(pkiMsg, idx, &version, pkiMsgSz) < 0)
@ -7227,15 +7222,14 @@ static int wc_PKCS7_DecryptKtri(PKCS7* pkcs7, byte* in, word32 inSz,
return ret;
}
{
long rc = wc_PKCS7_GetMaxStream(pkcs7, PKCS7_DEFAULT_PEEK,
in, inSz);
if (rc < 0) {
ret = (int)rc;
break;
}
pkiMsgSz = (word32)rc;
rc = wc_PKCS7_GetMaxStream(pkcs7, PKCS7_DEFAULT_PEEK,
in, inSz);
if (rc < 0) {
ret = (int)rc;
break;
}
pkiMsgSz = (word32)rc;
wc_PKCS7_StreamGetVar(pkcs7, NULL, &sidType, &version);
/* @TODO get expected size for next part, does not account for
@ -7264,7 +7258,7 @@ static int wc_PKCS7_DecryptKtri(PKCS7* pkcs7, byte* in, word32 inSz,
return WC_PKCS7_WANT_READ_E;
}
}
#endif
#endif /* !NO_PKCS7_STREAM */
if (sidType == CMS_ISSUER_AND_SERIAL_NUMBER) {
@ -7861,6 +7855,7 @@ static int wc_PKCS7_DecryptOri(PKCS7* pkcs7, byte* in, word32 inSz,
word32 pkiMsgSz = inSz;
#ifndef NO_PKCS7_STREAM
word32 stateIdx = *idx;
long rc;
#endif
if (pkcs7->oriDecryptCb == NULL) {
@ -7879,15 +7874,13 @@ static int wc_PKCS7_DecryptOri(PKCS7* pkcs7, byte* in, word32 inSz,
return ret;
}
{
long rc = wc_PKCS7_GetMaxStream(pkcs7, PKCS7_DEFAULT_PEEK, in,
inSz);
if (rc < 0) {
ret = (int)rc;
break;
}
pkiMsgSz = (word32)rc;
rc = wc_PKCS7_GetMaxStream(pkcs7, PKCS7_DEFAULT_PEEK, in,
inSz);
if (rc < 0) {
ret = (int)rc;
break;
}
pkiMsgSz = (word32)rc;
#endif
/* get OtherRecipientInfo sequence length */
if (GetLength(pkiMsg, idx, &seqSz, pkiMsgSz) < 0)
@ -7960,6 +7953,7 @@ static int wc_PKCS7_DecryptPwri(PKCS7* pkcs7, byte* in, word32 inSz,
word32 pkiMsgSz = inSz;
#ifndef NO_PKCS7_STREAM
word32 tmpIdx = *idx;
long rc;
#endif
switch (pkcs7->state) {
@ -7972,15 +7966,13 @@ static int wc_PKCS7_DecryptPwri(PKCS7* pkcs7, byte* in, word32 inSz,
return ret;
}
{
long rc = wc_PKCS7_GetMaxStream(pkcs7, PKCS7_DEFAULT_PEEK, in,
inSz);
if (rc < 0) {
ret = (int)rc;
break;
}
pkiMsgSz = (word32)rc;
rc = wc_PKCS7_GetMaxStream(pkcs7, PKCS7_DEFAULT_PEEK, in,
inSz);
if (rc < 0) {
ret = (int)rc;
break;
}
pkiMsgSz = (word32)rc;
#endif
/* remove KeyDerivationAlgorithmIdentifier */
if (pkiMsg[(*idx)++] != (ASN_CONSTRUCTED | ASN_CONTEXT_SPECIFIC | 0))
@ -8175,6 +8167,7 @@ static int wc_PKCS7_DecryptKekri(PKCS7* pkcs7, byte* in, word32 inSz,
word32 pkiMsgSz = inSz;
#ifndef NO_PKCS7_STREAM
word32 tmpIdx = *idx;
long rc;
#endif
switch (pkcs7->state) {
@ -8187,15 +8180,13 @@ static int wc_PKCS7_DecryptKekri(PKCS7* pkcs7, byte* in, word32 inSz,
return ret;
}
{
long rc = wc_PKCS7_GetMaxStream(pkcs7, PKCS7_DEFAULT_PEEK, in,
inSz);
if (rc < 0) {
ret = (int)rc;
break;
}
pkiMsgSz = (word32)rc;
rc = wc_PKCS7_GetMaxStream(pkcs7, PKCS7_DEFAULT_PEEK, in,
inSz);
if (rc < 0) {
ret = (int)rc;
break;
}
pkiMsgSz = (word32)rc;
#endif
/* remove KEKIdentifier */
if (GetSequence(pkiMsg, idx, &length, pkiMsgSz) < 0)
@ -8304,7 +8295,8 @@ static int wc_PKCS7_DecryptKari(PKCS7* pkcs7, byte* in, word32 inSz,
byte* pkiMsg = in;
word32 pkiMsgSz = inSz;
#ifndef NO_PKCS7_STREAM
word32 tmpIdx = (idx)? *idx : 0;
word32 tmpIdx = (idx) ? *idx : 0;
long rc;
#endif
if (pkcs7 == NULL || pkcs7->singleCert == NULL ||
@ -8323,15 +8315,13 @@ static int wc_PKCS7_DecryptKari(PKCS7* pkcs7, byte* in, word32 inSz,
return ret;
}
{
long rc = wc_PKCS7_GetMaxStream(pkcs7, PKCS7_DEFAULT_PEEK, in,
inSz);
if (rc < 0) {
ret = (int)rc;
break;
}
pkiMsgSz = (word32)rc;
rc = wc_PKCS7_GetMaxStream(pkcs7, PKCS7_DEFAULT_PEEK, in,
inSz);
if (rc < 0) {
ret = (int)rc;
break;
}
pkiMsgSz = (word32)rc;
#endif
WC_PKCS7_KARI* kari;
@ -8503,6 +8493,7 @@ static int wc_PKCS7_DecryptRecipientInfos(PKCS7* pkcs7, byte* in,
word32 pkiMsgSz = inSz;
#ifndef NO_PKCS7_STREAM
word32 tmpIdx = *idx;
long rc;
#endif
if (pkcs7 == NULL || pkiMsg == NULL || idx == NULL ||
@ -8559,14 +8550,13 @@ static int wc_PKCS7_DecryptRecipientInfos(PKCS7* pkcs7, byte* in,
savedIdx = *idx;
#ifndef NO_PKCS7_STREAM
{
long rc = wc_PKCS7_GetMaxStream(pkcs7, PKCS7_DEFAULT_PEEK, in, inSz);
if (rc < 0) {
return (int)rc;
}
pkiMsgSz = (word32)rc;
rc = wc_PKCS7_GetMaxStream(pkcs7, PKCS7_DEFAULT_PEEK, in, inSz);
if (rc < 0) {
return (int)rc;
}
if (pkcs7->stream->length > 0) pkiMsg = pkcs7->stream->buffer;
pkiMsgSz = (word32)rc;
if (pkcs7->stream->length > 0)
pkiMsg = pkcs7->stream->buffer;
#endif
/* when looking for next recipient, use first sequence and version to
@ -8733,6 +8723,7 @@ static int wc_PKCS7_ParseToRecipientInfoSet(PKCS7* pkcs7, byte* in,
word32 pkiMsgSz = inSz;
#ifndef NO_PKCS7_STREAM
word32 tmpIdx = 0;
long rc;
#endif
if (pkcs7 == NULL || pkiMsg == NULL || pkiMsgSz == 0 || idx == NULL)
@ -8770,15 +8761,12 @@ static int wc_PKCS7_ParseToRecipientInfoSet(PKCS7* pkcs7, byte* in,
return ret;
}
{
long rc;
rc = wc_PKCS7_GetMaxStream(pkcs7, PKCS7_SEQ_PEEK, in, inSz);
if (rc < 0) {
ret = (int)rc;
break;
}
pkiMsgSz = (word32)rc;
rc = wc_PKCS7_GetMaxStream(pkcs7, PKCS7_SEQ_PEEK, in, inSz);
if (rc < 0) {
ret = (int)rc;
break;
}
pkiMsgSz = (word32)rc;
#endif
/* read past ContentInfo, verify type is envelopedData */
if (ret == 0 && GetSequence(pkiMsg, idx, &length, pkiMsgSz) < 0)
@ -8802,15 +8790,13 @@ static int wc_PKCS7_ParseToRecipientInfoSet(PKCS7* pkcs7, byte* in,
return ret;
}
{
long rc = wc_PKCS7_GetMaxStream(pkcs7, PKCS7_DEFAULT_PEEK,
in, inSz);
if (rc < 0) {
ret = (int)rc;
break;
}
pkiMsgSz = (word32)rc;
rc = wc_PKCS7_GetMaxStream(pkcs7, PKCS7_DEFAULT_PEEK,
in, inSz);
if (rc < 0) {
ret = (int)rc;
break;
}
pkiMsgSz = (word32)rc;
#endif
len = 0;
@ -8891,15 +8877,13 @@ static int wc_PKCS7_ParseToRecipientInfoSet(PKCS7* pkcs7, byte* in,
return ret;
}
{
long rc = wc_PKCS7_GetMaxStream(pkcs7, PKCS7_DEFAULT_PEEK, in,
inSz);
if (rc < 0) {
ret = (int)rc;
break;
}
pkiMsgSz = (word32)rc;
rc = wc_PKCS7_GetMaxStream(pkcs7, PKCS7_DEFAULT_PEEK, in,
inSz);
if (rc < 0) {
ret = (int)rc;
break;
}
pkiMsgSz = (word32)rc;
#endif
/* remove EnvelopedData and version */
if (ret == 0 && GetSequence(pkiMsg, idx, &length, pkiMsgSz) < 0)
@ -8928,15 +8912,13 @@ static int wc_PKCS7_ParseToRecipientInfoSet(PKCS7* pkcs7, byte* in,
return ret;
}
{
long rc = wc_PKCS7_GetMaxStream(pkcs7, PKCS7_DEFAULT_PEEK, in,
inSz);
if (rc < 0) {
ret = (int)rc;
break;
}
pkiMsgSz = (word32)rc;
rc = wc_PKCS7_GetMaxStream(pkcs7, PKCS7_DEFAULT_PEEK, in,
inSz);
if (rc < 0) {
ret = (int)rc;
break;
}
pkiMsgSz = (word32)rc;
version = pkcs7->stream->varOne;
#endif
@ -9014,6 +8996,7 @@ WOLFSSL_API int wc_PKCS7_DecodeEnvelopedData(PKCS7* pkcs7, byte* in,
word32 idx = 0;
#ifndef NO_PKCS7_STREAM
word32 tmpIdx = 0;
long rc;
#endif
word32 contentType, encOID = 0;
word32 decryptedKeySz = MAX_ENCRYPTED_KEY_SZ;
@ -9119,15 +9102,13 @@ WOLFSSL_API int wc_PKCS7_DecodeEnvelopedData(PKCS7* pkcs7, byte* in,
return ret;
}
{
long rc = wc_PKCS7_GetMaxStream(pkcs7, PKCS7_DEFAULT_PEEK, in,
inSz);
if (rc < 0) {
ret = (int)rc;
break;
}
pkiMsgSz = (word32)rc;
rc = wc_PKCS7_GetMaxStream(pkcs7, PKCS7_DEFAULT_PEEK, in,
inSz);
if (rc < 0) {
ret = (int)rc;
break;
}
pkiMsgSz = (word32)rc;
#else
ret = 0;
#endif
@ -9193,15 +9174,14 @@ WOLFSSL_API int wc_PKCS7_DecodeEnvelopedData(PKCS7* pkcs7, byte* in,
return ret;
}
{
long rc = wc_PKCS7_GetMaxStream(pkcs7, PKCS7_DEFAULT_PEEK, in,
inSz);
if (rc < 0) {
ret = (int)rc;
break;
}
pkiMsgSz = (word32)rc;
rc = wc_PKCS7_GetMaxStream(pkcs7, PKCS7_DEFAULT_PEEK, in,
inSz);
if (rc < 0) {
ret = (int)rc;
break;
}
pkiMsgSz = (word32)rc;
wc_PKCS7_StreamGetVar(pkcs7, 0, 0, &length);
tmpIv = pkcs7->stream->tmpIv;
if (tmpIv == NULL) {
@ -9854,6 +9834,7 @@ WOLFSSL_API int wc_PKCS7_DecodeAuthEnvelopedData(PKCS7* pkcs7, byte* in,
word32 idx = 0;
#ifndef NO_PKCS7_STREAM
word32 tmpIdx = 0;
long rc;
#endif
word32 contentType, encOID = 0;
word32 decryptedKeySz = 0;
@ -9973,15 +9954,13 @@ WOLFSSL_API int wc_PKCS7_DecodeAuthEnvelopedData(PKCS7* pkcs7, byte* in,
break;
}
{
long rc = wc_PKCS7_GetMaxStream(pkcs7, PKCS7_DEFAULT_PEEK,
in, inSz);
if (rc < 0) {
ret = (int)rc;
break;
}
pkiMsgSz = (word32)rc;
rc = wc_PKCS7_GetMaxStream(pkcs7, PKCS7_DEFAULT_PEEK,
in, inSz);
if (rc < 0) {
ret = (int)rc;
break;
}
pkiMsgSz = (word32)rc;
#endif
/* remove EncryptedContentInfo */
@ -10035,15 +10014,13 @@ WOLFSSL_API int wc_PKCS7_DecodeAuthEnvelopedData(PKCS7* pkcs7, byte* in,
break;
}
{
long rc = wc_PKCS7_GetMaxStream(pkcs7, PKCS7_DEFAULT_PEEK, in,
inSz);
if (rc < 0) {
ret = (int)rc;
break;
}
pkiMsgSz = (word32)rc;
rc = wc_PKCS7_GetMaxStream(pkcs7, PKCS7_DEFAULT_PEEK, in,
inSz);
if (rc < 0) {
ret = (int)rc;
break;
}
pkiMsgSz = (word32)rc;
#endif
if (ret == 0 && GetLength(pkiMsg, &idx, &nonceSz, pkiMsgSz) < 0) {
ret = ASN_PARSE_E;
@ -10130,15 +10107,14 @@ WOLFSSL_API int wc_PKCS7_DecodeAuthEnvelopedData(PKCS7* pkcs7, byte* in,
break;
}
{
long rc = wc_PKCS7_GetMaxStream(pkcs7, PKCS7_DEFAULT_PEEK, in,
inSz);
if (rc < 0) {
ret = (int)rc;
break;
}
pkiMsgSz = (word32)rc;
rc = wc_PKCS7_GetMaxStream(pkcs7, PKCS7_DEFAULT_PEEK, in,
inSz);
if (rc < 0) {
ret = (int)rc;
break;
}
pkiMsgSz = (word32)rc;
encryptedContentSz = pkcs7->stream->expected;
#endif
@ -10250,15 +10226,14 @@ authenv_atrbend:
return ret;
}
{
long rc = wc_PKCS7_GetMaxStream(pkcs7, PKCS7_DEFAULT_PEEK,
in, inSz);
if (rc < 0) {
ret = (int)rc;
break;
}
pkiMsgSz = (word32)rc;
rc = wc_PKCS7_GetMaxStream(pkcs7, PKCS7_DEFAULT_PEEK,
in, inSz);
if (rc < 0) {
ret = (int)rc;
break;
}
pkiMsgSz = (word32)rc;
if (pkcs7->stream->aadSz > 0) {
encodedAttribSz = pkcs7->stream->aadSz;
encodedAttribs = pkcs7->stream->aad;
@ -10722,6 +10697,7 @@ int wc_PKCS7_DecodeEncryptedData(PKCS7* pkcs7, byte* in, word32 inSz,
#ifndef NO_PKCS7_STREAM
word32 tmpIdx = 0;
long rc;
#endif
word32 contentType, encOID;
@ -10761,15 +10737,12 @@ int wc_PKCS7_DecodeEncryptedData(PKCS7* pkcs7, byte* in, word32 inSz,
return ret;
}
{
long rc;
rc = wc_PKCS7_GetMaxStream(pkcs7, PKCS7_SEQ_PEEK, in, inSz);
if (rc < 0) {
ret = (int)rc;
break;
}
pkiMsgSz = (word32)rc;
rc = wc_PKCS7_GetMaxStream(pkcs7, PKCS7_SEQ_PEEK, in, inSz);
if (rc < 0) {
ret = (int)rc;
break;
}
pkiMsgSz = (word32)rc;
#endif
/* read past ContentInfo, verify type is encrypted-data */
@ -10803,15 +10776,13 @@ int wc_PKCS7_DecodeEncryptedData(PKCS7* pkcs7, byte* in, word32 inSz,
return ret;
}
{
long rc = wc_PKCS7_GetMaxStream(pkcs7, PKCS7_DEFAULT_PEEK, in,
inSz);
if (rc < 0) {
ret = (int)rc;
break;
}
pkiMsgSz = (word32)rc;
rc = wc_PKCS7_GetMaxStream(pkcs7, PKCS7_DEFAULT_PEEK, in,
inSz);
if (rc < 0) {
ret = (int)rc;
break;
}
pkiMsgSz = (word32)rc;
#endif
if (ret == 0 && pkiMsg[idx++] != (ASN_CONSTRUCTED |
ASN_CONTEXT_SPECIFIC | 0))
@ -10842,15 +10813,13 @@ int wc_PKCS7_DecodeEncryptedData(PKCS7* pkcs7, byte* in, word32 inSz,
return ret;
}
{
long rc = wc_PKCS7_GetMaxStream(pkcs7, PKCS7_DEFAULT_PEEK, in,
inSz);
if (rc < 0) {
ret = (int)rc;
break;
}
pkiMsgSz = (word32)rc;
rc = wc_PKCS7_GetMaxStream(pkcs7, PKCS7_DEFAULT_PEEK, in,
inSz);
if (rc < 0) {
ret = (int)rc;
break;
}
pkiMsgSz = (word32)rc;
#endif
/* get version, check later */
haveAttribs = 0;
@ -10896,15 +10865,13 @@ int wc_PKCS7_DecodeEncryptedData(PKCS7* pkcs7, byte* in, word32 inSz,
return ret;
}
{
long rc = wc_PKCS7_GetMaxStream(pkcs7, PKCS7_DEFAULT_PEEK, in,
inSz);
if (rc < 0) {
ret = (int)rc;
break;
}
pkiMsgSz = (word32)rc;
rc = wc_PKCS7_GetMaxStream(pkcs7, PKCS7_DEFAULT_PEEK, in,
inSz);
if (rc < 0) {
ret = (int)rc;
break;
}
pkiMsgSz = (word32)rc;
/* restore saved variables */
expBlockSz = pkcs7->stream->varOne;
@ -10941,15 +10908,13 @@ int wc_PKCS7_DecodeEncryptedData(PKCS7* pkcs7, byte* in, word32 inSz,
return ret;
}
{
long rc = wc_PKCS7_GetMaxStream(pkcs7, PKCS7_DEFAULT_PEEK, in,
inSz);
if (rc < 0) {
ret = (int)rc;
break;
}
pkiMsgSz = (word32)rc;
rc = wc_PKCS7_GetMaxStream(pkcs7, PKCS7_DEFAULT_PEEK, in,
inSz);
if (rc < 0) {
ret = (int)rc;
break;
}
pkiMsgSz = (word32)rc;
/* use IV buffer from stream structure */
tmpIv = pkcs7->stream->tmpIv;
@ -10993,15 +10958,13 @@ int wc_PKCS7_DecodeEncryptedData(PKCS7* pkcs7, byte* in, word32 inSz,
return ret;
}
{
long rc = wc_PKCS7_GetMaxStream(pkcs7, PKCS7_DEFAULT_PEEK, in,
inSz);
if (rc < 0) {
ret = (int)rc;
break;
}
pkiMsgSz = (word32)rc;
rc = wc_PKCS7_GetMaxStream(pkcs7, PKCS7_DEFAULT_PEEK, in,
inSz);
if (rc < 0) {
ret = (int)rc;
break;
}
pkiMsgSz = (word32)rc;
/* restore saved variables */
expBlockSz = pkcs7->stream->varOne;