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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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@@ -8,6 +8,7 @@ set( | |
| rdbuf.c | ||
| rdcrc32.c | ||
| rdfnv1a.c | ||
| rdbase64.c | ||
| rdkafka.c | ||
| rdkafka_assignor.c | ||
| rdkafka_broker.c | ||
|
|
||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,127 @@ | ||
| /* | ||
| * librdkafka - The Apache Kafka C/C++ library | ||
| * | ||
| * Copyright (c) 2023 Confluent Inc. | ||
| * All rights reserved. | ||
| * | ||
| * Redistribution and use in source and binary forms, with or without | ||
| * modification, are permitted provided that the following conditions are met: | ||
| * | ||
| * 1. Redistributions of source code must retain the above copyright notice, | ||
| * this list of conditions and the following disclaimer. | ||
| * 2. Redistributions in binary form must reproduce the above copyright notice, | ||
| * this list of conditions and the following disclaimer in the documentation | ||
| * and/or other materials provided with the distribution. | ||
| * | ||
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | ||
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | ||
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE | ||
| * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | ||
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | ||
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | ||
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | ||
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | ||
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | ||
| * POSSIBILITY OF SUCH DAMAGE. | ||
| */ | ||
|
|
||
| #include "rdbase64.h" | ||
|
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||
| #if WITH_SSL | ||
| #include <openssl/ssl.h> | ||
| #endif | ||
|
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||
| /** | ||
| * @brief Base64 encode binary input \p in, and write base64-encoded string | ||
| * and it's size to \p out. out->ptr will be NULL in case of some issue | ||
| * with the conversion or the conversion is not supported. | ||
| * | ||
| * @remark out->ptr must be freed after use. | ||
| */ | ||
| void rd_base64_encode(const rd_chariov_t *in, rd_chariov_t *out) { | ||
|
|
||
| #if WITH_SSL | ||
| size_t max_len; | ||
|
|
||
| /* OpenSSL takes an |int| argument so the input cannot exceed that. */ | ||
| if (in->size > INT_MAX) { | ||
| out->ptr = NULL; | ||
| return; | ||
| } | ||
|
|
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| max_len = (((in->size + 2) / 3) * 4) + 1; | ||
| out->ptr = rd_malloc(max_len); | ||
|
|
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| out->size = EVP_EncodeBlock((unsigned char *)out->ptr, | ||
| (unsigned char *)in->ptr, (int)in->size); | ||
|
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| rd_assert(out->size < max_len); | ||
| out->ptr[out->size] = 0; | ||
| #else | ||
| out->ptr = NULL; | ||
| #endif | ||
| } | ||
|
|
||
|
|
||
| /** | ||
| * @brief Base64 encode binary input \p in. | ||
| * @returns a newly allocated, base64-encoded string or NULL in case of some | ||
| * issue with the conversion or the conversion is not supported. | ||
| * | ||
| * @remark Returned string must be freed after use. | ||
| */ | ||
| char *rd_base64_encode_str(const rd_chariov_t *in) { | ||
| rd_chariov_t out; | ||
| rd_base64_encode(in, &out); | ||
| return out.ptr; | ||
| } | ||
|
|
||
|
|
||
| /** | ||
| * @brief Base64 decode input string \p in. Ignores leading and trailing | ||
| * whitespace. | ||
| * @returns * 0 on successes in which case a newly allocated binary string is | ||
| * set in \p out (and size). | ||
| * * -1 on invalid Base64. | ||
| * * -2 on conversion not supported. | ||
| */ | ||
| int rd_base64_decode(const rd_chariov_t *in, rd_chariov_t *out) { | ||
|
|
||
| #if WITH_SSL | ||
| size_t ret_len; | ||
|
|
||
| /* OpenSSL takes an |int| argument, so |in->size| must not exceed | ||
| * that. */ | ||
| if (in->size % 4 != 0 || in->size > INT_MAX) { | ||
| return -1; | ||
| } | ||
|
|
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| ret_len = ((in->size / 4) * 3); | ||
| out->ptr = rd_malloc(ret_len + 1); | ||
|
|
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| if (EVP_DecodeBlock((unsigned char *)out->ptr, (unsigned char *)in->ptr, | ||
| (int)in->size) == -1) { | ||
| rd_free(out->ptr); | ||
| out->ptr = NULL; | ||
| return -1; | ||
| } | ||
|
|
||
| /* EVP_DecodeBlock will pad the output with trailing NULs and count | ||
| * them in the return value. */ | ||
| if (in->size > 1 && in->ptr[in->size - 1] == '=') { | ||
| if (in->size > 2 && in->ptr[in->size - 2] == '=') { | ||
| ret_len -= 2; | ||
| } else { | ||
| ret_len -= 1; | ||
| } | ||
| } | ||
|
|
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| out->ptr[ret_len] = 0; | ||
| out->size = ret_len; | ||
|
|
||
| return 0; | ||
| #else | ||
| return -2; | ||
| #endif | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,41 @@ | ||
| /* | ||
| * librdkafka - The Apache Kafka C/C++ library | ||
| * | ||
| * Copyright (c) 2023 Confluent Inc. | ||
| * All rights reserved. | ||
| * | ||
| * Redistribution and use in source and binary forms, with or without | ||
| * modification, are permitted provided that the following conditions are met: | ||
| * | ||
| * 1. Redistributions of source code must retain the above copyright notice, | ||
| * this list of conditions and the following disclaimer. | ||
| * 2. Redistributions in binary form must reproduce the above copyright notice, | ||
| * this list of conditions and the following disclaimer in the documentation | ||
| * and/or other materials provided with the distribution. | ||
| * | ||
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | ||
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | ||
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE | ||
| * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | ||
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | ||
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | ||
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | ||
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | ||
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | ||
| * POSSIBILITY OF SUCH DAMAGE. | ||
| */ | ||
|
|
||
|
|
||
| #ifndef _RDBASE64_H_ | ||
| #define _RDBASE64_H_ | ||
|
|
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| #include "rd.h" | ||
|
|
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| void rd_base64_encode(const rd_chariov_t *in, rd_chariov_t *out); | ||
|
|
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| char *rd_base64_encode_str(const rd_chariov_t *in); | ||
|
|
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| int rd_base64_decode(const rd_chariov_t *in, rd_chariov_t *out); | ||
|
|
||
| #endif /* _RDBASE64_H_ */ |
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