51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
-#include "socket.h" // for select()
-#include "porting.h" // for sleep_ms(), get_sysinfo(), secure_rand_fill_buf()
#include "httpfetch.h"
+#include "porting.h" // for sleep_ms(), get_sysinfo(), secure_rand_fill_buf()
#include <iostream>
#include <sstream>
#include <list>
-#include <map>
-#include <errno.h>
+#include <unordered_map>
+#include <cerrno>
+#include <mutex>
+#include "network/socket.h" // for select()
#include "threading/event.h"
#include "config.h"
#include "exceptions.h"
#include "settings.h"
#include "noise.h"
-Mutex g_httpfetch_mutex;
-std::map<unsigned long, std::queue<HTTPFetchResult> > g_httpfetch_results;
-PcgRandom g_callerid_randomness;
+static std::mutex g_httpfetch_mutex;
+static std::unordered_map<u64, std::queue<HTTPFetchResult>>
+ g_httpfetch_results;
+static PcgRandom g_callerid_randomness;
HTTPFetchRequest::HTTPFetchRequest() :
- url(""),
- caller(HTTPFETCH_DISCARD),
- request_id(0),
timeout(g_settings->getS32("curl_timeout")),
- connect_timeout(timeout),
- multipart(false),
+ connect_timeout(10 * 1000),
useragent(std::string(PROJECT_NAME_C "/") + g_version_hash + " (" + porting::get_sysinfo() + ")")
{
}
static void httpfetch_deliver_result(const HTTPFetchResult &fetch_result)
{
- unsigned long caller = fetch_result.caller;
+ u64 caller = fetch_result.caller;
if (caller != HTTPFETCH_DISCARD) {
MutexAutoLock lock(g_httpfetch_mutex);
- g_httpfetch_results[caller].push(fetch_result);
+ g_httpfetch_results[caller].emplace(fetch_result);
}
}
-static void httpfetch_request_clear(unsigned long caller);
+static void httpfetch_request_clear(u64 caller);
-unsigned long httpfetch_caller_alloc()
+u64 httpfetch_caller_alloc()
{
MutexAutoLock lock(g_httpfetch_mutex);
- // Check each caller ID except HTTPFETCH_DISCARD
- const unsigned long discard = HTTPFETCH_DISCARD;
- for (unsigned long caller = discard + 1; caller != discard; ++caller) {
- std::map<unsigned long, std::queue<HTTPFetchResult> >::iterator
- it = g_httpfetch_results.find(caller);
+ // Check each caller ID except reserved ones
+ for (u64 caller = HTTPFETCH_CID_START; caller != 0; ++caller) {
+ auto it = g_httpfetch_results.find(caller);
if (it == g_httpfetch_results.end()) {
verbosestream << "httpfetch_caller_alloc: allocating "
<< caller << std::endl;
}
FATAL_ERROR("httpfetch_caller_alloc: ran out of caller IDs");
- return discard;
}
-unsigned long httpfetch_caller_alloc_secure()
+u64 httpfetch_caller_alloc_secure()
{
MutexAutoLock lock(g_httpfetch_mutex);
// Generate random caller IDs and make sure they're not
- // already used or equal to HTTPFETCH_DISCARD
+ // already used or reserved.
// Give up after 100 tries to prevent infinite loop
- u8 tries = 100;
- unsigned long caller;
+ size_t tries = 100;
+ u64 caller;
do {
caller = (((u64) g_callerid_randomness.next()) << 32) |
FATAL_ERROR("httpfetch_caller_alloc_secure: ran out of caller IDs");
return HTTPFETCH_DISCARD;
}
- } while (g_httpfetch_results.find(caller) != g_httpfetch_results.end());
+ } while (caller >= HTTPFETCH_CID_START &&
+ g_httpfetch_results.find(caller) != g_httpfetch_results.end());
verbosestream << "httpfetch_caller_alloc_secure: allocating "
<< caller << std::endl;
return caller;
}
-void httpfetch_caller_free(unsigned long caller)
+void httpfetch_caller_free(u64 caller)
{
verbosestream<<"httpfetch_caller_free: freeing "
<<caller<<std::endl;
}
}
-bool httpfetch_async_get(unsigned long caller, HTTPFetchResult &fetch_result)
+bool httpfetch_async_get(u64 caller, HTTPFetchResult &fetch_result)
{
MutexAutoLock lock(g_httpfetch_mutex);
// Check that caller exists
- std::map<unsigned long, std::queue<HTTPFetchResult> >::iterator
- it = g_httpfetch_results.find(caller);
+ auto it = g_httpfetch_results.find(caller);
if (it == g_httpfetch_results.end())
return false;
return false;
// Pop first result
- fetch_result = caller_results.front();
+ fetch_result = std::move(caller_results.front());
caller_results.pop();
return true;
}
std::list<CURL*> handles;
public:
- CurlHandlePool() {}
+ CurlHandlePool() = default;
+
~CurlHandlePool()
{
for (std::list<CURL*>::iterator it = handles.begin();
// Set static cURL options
curl_easy_setopt(curl, CURLOPT_NOSIGNAL, 1);
- curl_easy_setopt(curl, CURLOPT_FAILONERROR, 1);
curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1);
- curl_easy_setopt(curl, CURLOPT_MAXREDIRS, 1);
+ curl_easy_setopt(curl, CURLOPT_MAXREDIRS, 3);
+ curl_easy_setopt(curl, CURLOPT_ENCODING, "gzip");
std::string bind_address = g_settings->get("bind_address");
if (!bind_address.empty()) {
curl_easy_setopt(curl, CURLOPT_INTERFACE, bind_address.c_str());
}
+ if (!g_settings->getBool("enable_ipv6")) {
+ 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.
curl_easy_setopt(curl, CURLOPT_CONNECTTIMEOUT_MS,
request.connect_timeout);
- if (request.useragent != "")
+ if (!request.useragent.empty())
curl_easy_setopt(curl, CURLOPT_USERAGENT, request.useragent.c_str());
// Set up a write callback that writes to the
curl_easy_setopt(curl, CURLOPT_WRITEDATA, &oss);
}
- // Set POST (or GET) data
- if (request.post_fields.empty() && request.post_data.empty()) {
- curl_easy_setopt(curl, CURLOPT_HTTPGET, 1);
- } else if (request.multipart) {
+ // Set data from fields or raw_data
+ if (request.multipart) {
curl_httppost *last = NULL;
- for (StringMap::iterator it = request.post_fields.begin();
- it != request.post_fields.end(); ++it) {
+ 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(),
curl_easy_setopt(curl, CURLOPT_HTTPPOST, post);
// request.post_fields must now *never* be
// modified until CURLOPT_HTTPPOST is cleared
- } else if (request.post_data.empty()) {
- curl_easy_setopt(curl, CURLOPT_POST, 1);
- std::string str;
- for (StringMap::iterator it = request.post_fields.begin();
- it != request.post_fields.end(); ++it) {
- if (str != "")
- str += "&";
- str += urlencode(it->first);
- str += "=";
- str += urlencode(it->second);
- }
- curl_easy_setopt(curl, CURLOPT_POSTFIELDSIZE,
- str.size());
- curl_easy_setopt(curl, CURLOPT_COPYPOSTFIELDS,
- str.c_str());
} else {
- curl_easy_setopt(curl, CURLOPT_POST, 1);
- curl_easy_setopt(curl, CURLOPT_POSTFIELDSIZE,
- request.post_data.size());
- curl_easy_setopt(curl, CURLOPT_POSTFIELDS,
- request.post_data.c_str());
- // request.post_data must now *never* be
- // modified until CURLOPT_POSTFIELDS is cleared
+ switch (request.method) {
+ case HTTP_GET:
+ curl_easy_setopt(curl, CURLOPT_HTTPGET, 1);
+ break;
+ case HTTP_POST:
+ curl_easy_setopt(curl, CURLOPT_POST, 1);
+ break;
+ case HTTP_PUT:
+ curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, "PUT");
+ break;
+ case HTTP_DELETE:
+ curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, "DELETE");
+ break;
+ }
+ if (request.method != HTTP_GET) {
+ if (!request.raw_data.empty()) {
+ curl_easy_setopt(curl, CURLOPT_POSTFIELDSIZE,
+ request.raw_data.size());
+ curl_easy_setopt(curl, CURLOPT_POSTFIELDS,
+ request.raw_data.c_str());
+ } else if (!request.fields.empty()) {
+ std::string str;
+ for (auto &field : request.fields) {
+ if (!str.empty())
+ str += "&";
+ str += urlencode(field.first);
+ str += "=";
+ str += urlencode(field.second);
+ }
+ curl_easy_setopt(curl, CURLOPT_POSTFIELDSIZE,
+ str.size());
+ curl_easy_setopt(curl, CURLOPT_COPYPOSTFIELDS,
+ str.c_str());
+ }
+ }
}
// Set additional HTTP headers
- for (std::vector<std::string>::iterator it = request.extra_headers.begin();
- it != request.extra_headers.end(); ++it) {
- http_header = curl_slist_append(http_header, it->c_str());
+ for (const std::string &extra_header : request.extra_headers) {
+ http_header = curl_slist_append(http_header, extra_header.c_str());
}
curl_easy_setopt(curl, CURLOPT_HTTPHEADER, http_header);
}
if (res != CURLE_OK) {
- errorstream << request.url << " not found ("
- << curl_easy_strerror(res) << ")"
- << " (response code " << result.response_code << ")"
+ errorstream << "HTTPFetch for " << request.url << " failed ("
+ << curl_easy_strerror(res) << ")" << std::endl;
+ } else if (result.response_code >= 400) {
+ errorstream << "HTTPFetch for " << request.url
+ << " returned response code " << result.response_code
<< std::endl;
+ if (result.caller == HTTPFETCH_PRINT_ERR && !result.data.empty()) {
+ errorstream << "Response body:" << std::endl;
+ safe_print_string(errorstream, result.data);
+ errorstream << std::endl;
+ }
}
return &result;
m_requests.push_back(req);
}
- void requestClear(unsigned long caller, Event *event)
+ void requestClear(u64 caller, Event *event)
{
Request req;
req.type = RT_CLEAR;
}
else if (req.type == RT_CLEAR) {
- unsigned long caller = req.fetch_request.caller;
+ u64 caller = req.fetch_request.caller;
// Abort all ongoing fetches for the caller
for (std::vector<HTTPFetchOngoing*>::iterator
void *run()
{
- DSTACK(FUNCTION_NAME);
-
CurlHandlePool pool;
m_multi = curl_multi_init();
}
// Call curl_multi_remove_handle and cleanup easy handles
- for (size_t i = 0; i < m_all_ongoing.size(); ++i) {
- delete m_all_ongoing[i];
+ for (HTTPFetchOngoing *i : m_all_ongoing) {
+ delete i;
}
m_all_ongoing.clear();
{
verbosestream<<"httpfetch_cleanup: cleaning up"<<std::endl;
- g_httpfetch_thread->stop();
- g_httpfetch_thread->requestWakeUp();
- g_httpfetch_thread->wait();
- delete g_httpfetch_thread;
+ if (g_httpfetch_thread) {
+ g_httpfetch_thread->stop();
+ g_httpfetch_thread->requestWakeUp();
+ g_httpfetch_thread->wait();
+ delete g_httpfetch_thread;
+ }
curl_global_cleanup();
}
g_httpfetch_thread->start();
}
-static void httpfetch_request_clear(unsigned long caller)
+static void httpfetch_request_clear(u64 caller)
{
if (g_httpfetch_thread->isRunning()) {
Event event;
httpfetch_deliver_result(fetch_result);
}
-static void httpfetch_request_clear(unsigned long caller)
+static void httpfetch_request_clear(u64 caller)
{
}
projects / dragonfireclient.git / blobdiff