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Check for potential write error (or not buffer fully consumed)

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This commit is contained in:
Grégory Soutadé
2022-12-23 17:51:51 +01:00
parent e4bd73c03d
commit c41dd46ca7
2 changed files with 21 additions and 4 deletions
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9
src/libgourou.cpp
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@@ -931,14 +931,19 @@ namespace gourou
void DRMProcessor::exportPrivateLicenseKey(std::string path)
{
int fd = open(path.c_str(), O_CREAT|O_TRUNC|O_WRONLY, S_IRWXU);
int ret;
if (fd <= 0)
EXCEPTION(GOUROU_FILE_ERROR, "Unable to open " << path);
ByteArray privateLicenseKey = ByteArray::fromBase64(user->getPrivateLicenseKey());
/* In adobekey.py, we get base64 decoded data [26:] */
write(fd, privateLicenseKey.data()+26, privateLicenseKey.length()-26);
ret = write(fd, privateLicenseKey.data()+26, privateLicenseKey.length()-26);
close(fd);
if (ret != privateLicenseKey.length()-26)
{
EXCEPTION(gourou::GOUROU_FILE_ERROR, "Error writing " << path);
}
}
int DRMProcessor::getLogLevel() {return (int)gourou::logLevel;}