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crypt32: Abstract function used to read from reading a serialized store.

This commit is contained in:
Juan Lang 2009-11-02 12:31:15 -08:00 committed by Alexandre Julliard
parent ceddc0ae1b
commit 51a1f5a642
1 changed files with 19 additions and 4 deletions
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23
dlls/crypt32/serialize.c
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@ -425,14 +425,18 @@ const void *CRYPT_ReadSerializedElement(const BYTE *pbElement, DWORD cbElement,
static const BYTE fileHeader[] = { 0, 0, 0, 0, 'C','E','R','T' }; static const BYTE fileHeader[] = { 0, 0, 0, 0, 'C','E','R','T' };
BOOL CRYPT_ReadSerializedStoreFromFile(HANDLE file, HCERTSTORE store) typedef BOOL (*read_serialized_func)(void *handle, void *buffer,
DWORD bytesToRead, DWORD *bytesRead);
static BOOL CRYPT_ReadSerializedStore(void *handle,
read_serialized_func read_func, HCERTSTORE store)
{ {
BYTE fileHeaderBuf[sizeof(fileHeader)]; BYTE fileHeaderBuf[sizeof(fileHeader)];
DWORD read; DWORD read;
BOOL ret; BOOL ret;
/* Failure reading is non-critical, we'll leave the store empty */ /* Failure reading is non-critical, we'll leave the store empty */
ret = ReadFile(file, fileHeaderBuf, sizeof(fileHeaderBuf), &read, NULL); ret = read_func(handle, fileHeaderBuf, sizeof(fileHeaderBuf), &read);
if (ret) if (ret)
{ {
if (!read) if (!read)
@ -448,7 +452,7 @@ BOOL CRYPT_ReadSerializedStoreFromFile(HANDLE file, HCERTSTORE store)
DWORD bufSize = 0; DWORD bufSize = 0;
do { do {
ret = ReadFile(file, &propHdr, sizeof(propHdr), &read, NULL); ret = read_func(handle, &propHdr, sizeof(propHdr), &read);
if (ret && read == sizeof(propHdr)) if (ret && read == sizeof(propHdr))
{ {
if (contextInterface && context && if (contextInterface && context &&
@ -470,7 +474,7 @@ BOOL CRYPT_ReadSerializedStoreFromFile(HANDLE file, HCERTSTORE store)
} }
if (buf) if (buf)
{ {
ret = ReadFile(file, buf, propHdr.cb, &read, NULL); ret = read_func(handle, buf, propHdr.cb, &read);
if (ret && read == propHdr.cb) if (ret && read == propHdr.cb)
{ {
if (propHdr.propID == CERT_CERT_PROP_ID) if (propHdr.propID == CERT_CERT_PROP_ID)
@ -519,6 +523,17 @@ BOOL CRYPT_ReadSerializedStoreFromFile(HANDLE file, HCERTSTORE store)
return ret; return ret;
} }
static BOOL read_file_wrapper(void *handle, void *buffer, DWORD bytesToRead,
DWORD *bytesRead)
{
return ReadFile(handle, buffer, bytesToRead, bytesRead, NULL);
}
BOOL CRYPT_ReadSerializedStoreFromFile(HANDLE file, HCERTSTORE store)
{
return CRYPT_ReadSerializedStore(file, read_file_wrapper, store);
}
static BOOL WINAPI CRYPT_SerializeCertNoHash(PCCERT_CONTEXT pCertContext, static BOOL WINAPI CRYPT_SerializeCertNoHash(PCCERT_CONTEXT pCertContext,
DWORD dwFlags, BYTE *pbElement, DWORD *pcbElement) DWORD dwFlags, BYTE *pbElement, DWORD *pcbElement)
{ {