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Fix curl deprecation warnings, and set minimum curl version to 7.56.0

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This commit is contained in:
Desour 2023-06-05 17:37:18 +02:00 committed by DS
parent f947e2afec
commit dade95e142
2 changed files with 22 additions and 26 deletions
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1
doc/compiling/linux.md
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@ -13,6 +13,7 @@
| LuaJIT | 2.0+ | Bundled Lua 5.1 is used if not present |
| GMP | 5.0.0+ | Bundled mini-GMP is used if not present |
| JsonCPP | 1.0.0+ | Bundled JsonCPP is used if not present |
| Curl | 7.56.0+ | Optional |
For Debian/Ubuntu users:

47
src/httpfetch.cpp
View File

@ -213,26 +213,22 @@ public:
private:
CurlHandlePool *pool;
CURL *curl;
CURLM *multi;
CURL *curl = nullptr;
CURLM *multi = nullptr;
HTTPFetchRequest request;
HTTPFetchResult result;
std::ostringstream oss;
struct curl_slist *http_header;
curl_httppost *post;
struct curl_slist *http_header = nullptr;
curl_mime *multipart_mime = nullptr;
};
HTTPFetchOngoing::HTTPFetchOngoing(const HTTPFetchRequest &request_,
CurlHandlePool *pool_):
pool(pool_),
curl(NULL),
multi(NULL),
request(request_),
result(request_),
oss(std::ios::binary),
http_header(NULL),
post(NULL)
oss(std::ios::binary)
{
curl = pool->alloc();
if (curl == NULL) {
@ -254,10 +250,15 @@ HTTPFetchOngoing::HTTPFetchOngoing(const HTTPFetchRequest &request_,
curl_easy_setopt(curl, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V4);
}
#if LIBCURL_VERSION_NUM >= 0x071304
// Restrict protocols so that curl vulnerabilities in
// other protocols don't affect us.
// These settings were introduced in curl 7.19.4.
#if LIBCURL_VERSION_NUM >= 0x075500
// These settings were introduced in curl 7.85.0.
const char *protocols = "HTTP,HTTPS,FTP,FTPS";
curl_easy_setopt(curl, CURLOPT_PROTOCOLS_STR, protocols);
curl_easy_setopt(curl, CURLOPT_REDIR_PROTOCOLS_STR, protocols);
#elif LIBCURL_VERSION_NUM >= 0x071304
// These settings were introduced in curl 7.19.4, and later deprecated.
long protocols =
CURLPROTO_HTTP |
CURLPROTO_HTTPS |
@ -293,19 +294,13 @@ HTTPFetchOngoing::HTTPFetchOngoing(const HTTPFetchRequest &request_,
// Set data from fields or raw_data
if (request.multipart) {
curl_httppost *last = NULL;
for (StringMap::iterator it = request.fields.begin();
it != request.fields.end(); ++it) {
curl_formadd(&post, &last,
CURLFORM_NAMELENGTH, it->first.size(),
CURLFORM_PTRNAME, it->first.c_str(),
CURLFORM_CONTENTSLENGTH, it->second.size(),
CURLFORM_PTRCONTENTS, it->second.c_str(),
CURLFORM_END);
multipart_mime = curl_mime_init(curl);
for (auto &it : request.fields) {
curl_mimepart *part = curl_mime_addpart(multipart_mime);
curl_mime_name(part, it.first.c_str());
curl_mime_data(part, it.second.c_str(), it.second.size());
}
curl_easy_setopt(curl, CURLOPT_HTTPPOST, post);
// request.post_fields must now *never* be
// modified until CURLOPT_HTTPPOST is cleared
curl_easy_setopt(curl, CURLOPT_MIMEPOST, multipart_mime);
} else {
switch (request.method) {
case HTTP_GET:
@ -427,9 +422,9 @@ HTTPFetchOngoing::~HTTPFetchOngoing()
curl_easy_setopt(curl, CURLOPT_HTTPHEADER, NULL);
curl_slist_free_all(http_header);
}
if (post) {
curl_easy_setopt(curl, CURLOPT_HTTPPOST, NULL);
curl_formfree(post);
if (multipart_mime) {
curl_easy_setopt(curl, CURLOPT_MIMEPOST, nullptr);
curl_mime_free(multipart_mime);
}
// Store the cURL handle for reuse