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75 lines
1.9 KiB
C
75 lines
1.9 KiB
C
/*
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Copyright 2020 Raphael Beck
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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#include "include/version.h"
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#include <stdlib.h>
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#include <string.h>
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#if defined(_WIN32)
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#include <windows.h>
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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void l8w8jwt_free(void* mem)
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{
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free(mem);
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}
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void l8w8jwt_zero(void* buf, size_t len)
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{
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if (len > 0)
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{
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#if defined(MBEDTLS_PLATFORM_HAS_EXPLICIT_BZERO)
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explicit_bzero(buf, len);
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#if defined(HAVE_MEMORY_SANITIZER)
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/* You'd think that Msan would recognize explicit_bzero() as
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* equivalent to bzero(), but it actually doesn't on several
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* platforms, including Linux (Ubuntu 20.04).
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* https://github.com/google/sanitizers/issues/1507
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* https://github.com/openssh/openssh-portable/commit/74433a19bb6f4cef607680fa4d1d7d81ca3826aa
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*/
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__msan_unpoison(buf, len);
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#endif
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#elif defined(__STDC_LIB_EXT1__)
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memset_s(buf, len, 0, len);
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#elif defined(_WIN32)
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RtlSecureZeroMemory(buf, len);
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#else
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memset_func(buf, 0, len);
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#endif
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}
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}
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int l8w8jwt_get_version_number()
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{
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return (int)L8W8JWT_VERSION;
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}
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void l8w8jwt_get_version_string(char out[32])
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{
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const char version_string[] = L8W8JWT_VERSION_STR;
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const size_t version_string_length = sizeof(version_string) - 1;
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memcpy(out, version_string, version_string_length);
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out[version_string_length] = '\0';
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}
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#ifdef __cplusplus
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} // extern "C"
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#endif |