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Allow arbitrary size AWS secret keys (#1648)

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Previously s3fs limited these to 123 characters.  Fixes #1626.
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Andrew Gaul 2021-05-06 22:24:38 +09:00 committed by GitHub
parent 8ef01d37a9
commit 096a230b70
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1 changed files with 2 additions and 3 deletions
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src/curl.cpp
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@ -2602,12 +2602,11 @@ std::string S3fsCurl::CalcSignature(const std::string& method, const std::string
StringCQ += get_sorted_header_keys(requestHeaders) + "\n";
StringCQ += payload_hash;
char kSecret[128];
std::string kSecret = "AWS4" + S3fsCurl::AWSSecretAccessKey;
unsigned char *kDate, *kRegion, *kService, *kSigning, *sRequest = NULL;
unsigned int kDate_len,kRegion_len, kService_len, kSigning_len, sRequest_len = 0;
int kSecret_len = snprintf(kSecret, sizeof(kSecret), "AWS4%s", S3fsCurl::AWSSecretAccessKey.c_str());
s3fs_HMAC256(kSecret, kSecret_len, reinterpret_cast<const unsigned char*>(strdate.data()), strdate.size(), &kDate, &kDate_len);
s3fs_HMAC256(kSecret.c_str(), kSecret.size(), reinterpret_cast<const unsigned char*>(strdate.data()), strdate.size(), &kDate, &kDate_len);
s3fs_HMAC256(kDate, kDate_len, reinterpret_cast<const unsigned char*>(endpoint.c_str()), endpoint.size(), &kRegion, &kRegion_len);
s3fs_HMAC256(kRegion, kRegion_len, reinterpret_cast<const unsigned char*>("s3"), sizeof("s3") - 1, &kService, &kService_len);
s3fs_HMAC256(kService, kService_len, reinterpret_cast<const unsigned char*>("aws4_request"), sizeof("aws4_request") - 1, &kSigning, &kSigning_len);