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// Copyright 2019 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "cast/common/certificate/test_helpers.h"
#include <openssl/pem.h>
#include <stdio.h>
#include <string.h>
namespace cast {
namespace certificate {
namespace testing {
std::vector<std::string> ReadCertificatesFromPemFile(
const std::string& filename) {
FILE* fp = fopen(filename.c_str(), "r");
if (!fp) {
return {};
}
std::vector<std::string> certs;
#define STRCMP_LITERAL(s, l) strncmp(s, l, sizeof(l))
for (;;) {
char* name;
char* header;
unsigned char* data;
long length;
if (PEM_read(fp, &name, &header, &data, &length) == 1) {
if (STRCMP_LITERAL(name, "CERTIFICATE") == 0) {
certs.emplace_back((char*)data, length);
}
OPENSSL_free(name);
OPENSSL_free(header);
OPENSSL_free(data);
} else {
break;
}
}
fclose(fp);
return certs;
}
} // namespace testing
} // namespace certificate
} // namespace cast
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