/src/curl_fuzzer/proto_fuzzer/curl_raii.h
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1 | | /* |
2 | | * Copyright (C) Max Dymond, <cmeister2@gmail.com>, et al. |
3 | | * |
4 | | * SPDX-License-Identifier: curl |
5 | | */ |
6 | | |
7 | | /// @file |
8 | | /// @brief Common ownership types for independently cleaned-up curl handles. |
9 | | |
10 | | #ifndef PROTO_FUZZER_CURL_RAII_H_ |
11 | | #define PROTO_FUZZER_CURL_RAII_H_ |
12 | | |
13 | | #include <curl/curl.h> |
14 | | |
15 | | #include <memory> |
16 | | |
17 | | namespace proto_fuzzer { |
18 | | |
19 | | /// @brief Destroy an independently owned easy handle. |
20 | | struct CurlEasyDeleter { |
21 | | /// Release an easy handle through libcurl's matching cleanup API. |
22 | | /// @param easy Handle owned by the invoking smart pointer. |
23 | 393k | void operator()(CURL* easy) const noexcept { |
24 | 393k | if (easy != nullptr) { |
25 | 393k | curl_easy_cleanup(easy); |
26 | 393k | } |
27 | 393k | } |
28 | | }; |
29 | | |
30 | | /// @brief Destroy an independently owned multi handle. |
31 | | struct CurlMultiDeleter { |
32 | | /// Release a multi handle through libcurl's matching cleanup API. |
33 | | /// @param multi Handle owned by the invoking smart pointer. |
34 | 344k | void operator()(CURLM* multi) const noexcept { |
35 | 344k | if (multi != nullptr) { |
36 | 344k | (void)curl_multi_cleanup(multi); |
37 | 344k | } |
38 | 344k | } |
39 | | }; |
40 | | |
41 | | /// @brief Destroy a caller-owned curl_slist. |
42 | | struct CurlSlistDeleter { |
43 | | /// Release a complete caller-owned linked list. |
44 | | /// @param list List owned by the invoking smart pointer. |
45 | 454k | void operator()(curl_slist* list) const noexcept { curl_slist_free_all(list); } |
46 | | }; |
47 | | |
48 | | /// @brief Destroy a caller-owned MIME tree, including transferred children. |
49 | | struct CurlMimeDeleter { |
50 | | /// Release a complete MIME tree through libcurl's matching cleanup API. |
51 | | /// @param mime MIME root owned by the invoking smart pointer. |
52 | 47.8k | void operator()(curl_mime* mime) const noexcept { curl_mime_free(mime); } |
53 | | }; |
54 | | |
55 | | /// Unique ownership of a CURL easy handle. |
56 | | using CurlEasyPtr = std::unique_ptr<CURL, CurlEasyDeleter>; |
57 | | /// Unique ownership of a CURL multi handle. |
58 | | using CurlMultiPtr = std::unique_ptr<CURLM, CurlMultiDeleter>; |
59 | | /// Unique ownership of a caller-owned curl_slist. |
60 | | using CurlSlistPtr = std::unique_ptr<curl_slist, CurlSlistDeleter>; |
61 | | /// Unique ownership of a caller-owned curl_mime tree. |
62 | | using CurlMimePtr = std::unique_ptr<curl_mime, CurlMimeDeleter>; |
63 | | |
64 | | } // namespace proto_fuzzer |
65 | | |
66 | | #endif // PROTO_FUZZER_CURL_RAII_H_ |