/
curl.c
1073 lines (894 loc) · 28 KB
/
curl.c
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/***
* Copyright 2018-2020 HAProxy Technologies
*
* This file is part of spoa-mirror.
*
* spoa-mirror is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* spoa-mirror is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "include.h"
#ifdef DEBUG
/***
* NAME
* mir_curl_debug_cb - CURLOPT_DEBUGFUNCTION callback function
*
* ARGUMENTS
* handle -
* type -
* data -
* size -
* userptr -
*
* DESCRIPTION
* -
*
* RETURN VALUE
* -
*/
static int mir_curl_debug_cb(CURL *handle, curl_infotype type, char *data, size_t size, void *userptr)
{
DBG_FUNC(NULL, "%p, %u, %p, %zu, %p", handle, type, data, size, userptr);
CURL_DBG("[%p]: %u <%s>", handle, type, str_ctrl(data, size));
DBG_RETURN_INT(CURLE_OK);
}
#endif /* DEBUG */
/***
* NAME
* mir_curl_handle_close -
*
* ARGUMENTS
* con -
*
* DESCRIPTION
* -
*
* RETURN VALUE
* This function does not return a value.
*/
static void mir_curl_handle_close(struct curl_con *con)
{
DBG_FUNC(NULL, "%p", con);
if (_NULL(con))
DBG_RETURN();
CURL_DBG("Closing handle { %p %p \"%s\" %p }", con->easy, con->hdrs, con->error, con->curl);
if (_nNULL(con->curl) && _nNULL(con->curl->multi))
(void)curl_multi_remove_handle(con->curl->multi, con->easy);
if (_nNULL(con->hdrs))
curl_slist_free_all(con->hdrs);
if (_nNULL(con->easy))
curl_easy_cleanup(con->easy);
mir_ptr_free(&(con->mir));
PTR_FREE(con);
DBG_RETURN();
}
/***
* NAME
* mir_curl_get_http_version -
*
* ARGUMENTS
* version -
*
* DESCRIPTION
* -
*
* RETURN VALUE
* -
*/
static const char *mir_curl_get_http_version(long version)
{
static struct {
const char *str;
long value;
} http_version[] = {
{ "HTTP/???", CURL_HTTP_VERSION_NONE },
{ "HTTP/1.0", CURL_HTTP_VERSION_1_0 },
{ "HTTP/1.1", CURL_HTTP_VERSION_1_1 },
#if CURL_AT_LEAST_VERSION(7, 33, 0)
{ "HTTP/2.0", CURL_HTTP_VERSION_2_0 },
#endif
/* This has to be the last element. */
{ "?", -1 }
};
int i;
for (i = 0; i < TABLESIZE_1(http_version); i++)
if (http_version[i].value == version)
break;
return http_version[i].str;
}
/***
* NAME
* mir_curl_check_multi_info -
*
* ARGUMENTS
* curl -
*
* DESCRIPTION
* Check for completed transfers, and remove their easy handles.
*
* RETURN VALUE
* This function does not return a value.
*/
static void mir_curl_check_multi_info(struct curl_data *curl)
{
struct curl_con *con;
const CURLMsg *msg;
int msgs_in_queue;
CURLcode rc;
DBG_FUNC(NULL, "%p", curl);
CURL_DBG("Remaining: %d", curl->running_handles);
while (_nNULL(msg = curl_multi_info_read(curl->multi, &msgs_in_queue))) {
CURL_DBG("msg = { %d %p { %d } }, queue = %d", msg->msg, msg->easy_handle, msg->data.result, msgs_in_queue);
if (msg->msg != CURLMSG_DONE)
/* Do nothing. */;
else if ((rc = curl_easy_getinfo(msg->easy_handle, CURLINFO_PRIVATE, &con)) != CURLE_OK)
CURL_ERR_EASY("Failed to get private data", rc);
else {
CURL_v076100(curl_off_t, double) total_time = -1;
CURL_v075500(curl_off_t, double) size_upload = -1;
CURL_v075500(curl_off_t, double) size_download = -1;
const char *url = NULL;
long response_code = -1, version = CURL_HTTP_VERSION_NONE;
if ((rc = curl_easy_getinfo(msg->easy_handle, CURLINFO_EFFECTIVE_URL, &url)) != CURLE_OK)
CURL_ERR_EASY("Failed to get effective URL", rc);
#if CURL_AT_LEAST_VERSION(7, 50, 0)
if ((rc = curl_easy_getinfo(msg->easy_handle, CURLINFO_HTTP_VERSION, &version)) != CURLE_OK)
CURL_ERR_EASY("Failed to get HTTP version", rc);
#endif
if ((rc = curl_easy_getinfo(msg->easy_handle, CURLINFO_RESPONSE_CODE, &response_code)) != CURLE_OK)
CURL_ERR_EASY("Failed to get response code", rc);
if ((rc = curl_easy_getinfo(msg->easy_handle, CURL_v076100(CURLINFO_TOTAL_TIME_T, CURLINFO_TOTAL_TIME), &total_time)) != CURLE_OK)
CURL_ERR_EASY("Failed to get transfer total time", rc);
if ((rc = curl_easy_getinfo(msg->easy_handle, CURL_v075500(CURLINFO_SIZE_UPLOAD_T, CURLINFO_SIZE_UPLOAD), &size_upload)) != CURLE_OK)
CURL_ERR_EASY("Failed to get number of uploaded bytes", rc);
if ((rc = curl_easy_getinfo(msg->easy_handle, CURL_v075500(CURLINFO_SIZE_DOWNLOAD_T, CURLINFO_SIZE_DOWNLOAD), &size_download)) != CURLE_OK)
CURL_ERR_EASY("Failed to get number of downloaded bytes", rc);
w_log(NULL, "\"%s %s %s\" %ld " CURL_v075500("%ld/%ld", "%.0f/%.0f") " %.3f %s",
con->mir->method, url, mir_curl_get_http_version(version),
response_code, size_upload, size_download,
CURL_v076100(total_time / 1000.0, total_time * 1000.0),
(msg->data.result != CURLE_OK) ? con->error : "ok");
CURL_DBG("Done: %s => (%d) %s", url, msg->data.result, con->error);
mir_curl_handle_close(con);
}
}
DBG_RETURN();
}
/***
* NAME
* mir_curl_ev_socket_cb - libev socket action callback function
*
* ARGUMENTS
* loop -
* ev -
* revents -
*
* DESCRIPTION
* Called by libev when we get action on a multi socket.
*
* RETURN VALUE
* This function does not return a value.
*/
static void mir_curl_ev_socket_cb(struct ev_loop *loop __maybe_unused, struct ev_io *ev, int revents)
{
struct curl_data *curl = (typeof(curl))(ev->data);
CURLMcode rcm;
int ev_bitmask;
DBG_FUNC(NULL, "%p, %p, 0x%08x", loop, ev, revents);
ev_bitmask = (revents & EV_READ) ? CURL_POLL_IN : 0;
ev_bitmask |= (revents & EV_WRITE) ? CURL_POLL_OUT : 0;
if ((rcm = curl_multi_socket_action(curl->multi, ev->fd, ev_bitmask, &(curl->running_handles))) != CURLM_OK) {
CURL_ERR_MULTI("Failed data transfer", rcm);
} else {
mir_curl_check_multi_info(curl);
if(curl->running_handles <= 0) {
CURL_DBG("last transfer done, kill timeout");
ev_timer_stop(curl->ev_base, &(curl->ev_timer));
ev_async_send(curl->ev_base, curl->ev_async);
}
}
DBG_RETURN();
}
/***
* NAME
* mir_curl_socket_set -
*
* ARGUMENTS
* socket -
* easy -
* s -
* what -
* curl -
*
* DESCRIPTION
* Assign information to a curl_sock structure.
*
* RETURN VALUE
* -
*/
static int mir_curl_socket_set(struct curl_sock *socket, CURL *easy, curl_socket_t s, int what, struct curl_data *curl)
{
int events;
DBG_FUNC(NULL, "%p, %p, %d, %d, %p", socket, easy, s, what, curl);
events = (what & CURL_POLL_IN) ? EV_READ : 0;
events |= (what & CURL_POLL_OUT) ? EV_WRITE : 0;
socket->fd = s;
socket->easy = easy;
socket->action = what;
socket->curl = curl;
if (ev_is_active(&(socket->ev_io)) || ev_is_pending(&(socket->ev_io)))
ev_io_stop(curl->ev_base, &(socket->ev_io));
ev_io_init(&(socket->ev_io), mir_curl_ev_socket_cb, socket->fd, events);
socket->ev_io.data = curl;
ev_io_start(curl->ev_base, &(socket->ev_io));
ev_async_send(curl->ev_base, curl->ev_async);
DBG_RETURN_INT(0);
}
/***
* NAME
* mir_curl_socket_add -
*
* ARGUMENTS
* easy -
* s -
* what -
* curl -
*
* DESCRIPTION
* Initialize a new curl_sock structure.
*
* RETURN VALUE
* -
*/
static struct curl_sock *mir_curl_socket_add(CURL *easy, curl_socket_t s, int what, struct curl_data *curl)
{
struct curl_sock *retptr;
int rc;
CURLMcode rcm;
DBG_FUNC(NULL, "%p, %d, %d, %p", easy, s, what, curl);
if (_NULL(retptr = calloc(1, sizeof(*retptr)))) {
w_log(NULL, CURL_STR _E("Failed to allocate memory"));
} else {
if ((rc = mir_curl_socket_set(retptr, easy, s, what, curl)) != 0)
/* Do nothing. */;
else if ((rcm = curl_multi_assign(curl->multi, s, retptr)) != CURLM_OK)
CURL_ERR_MULTI("Failed to set socket data", rcm);
if ((rc != 0) || (rcm != CURLM_OK))
PTR_FREE(retptr);
}
DBG_RETURN_PTR(retptr);
}
/***
* NAME
* mir_curl_socket_remove -
*
* ARGUMENTS
* socket -
* curl -
*
* DESCRIPTION
* Clean up the curl_sock structure.
*
* RETURN VALUE
* -
*/
static int mir_curl_socket_remove(struct curl_sock *socket, struct curl_data *curl)
{
DBG_FUNC(NULL, "%p, %p", socket, curl);
if (_NULL(socket))
DBG_RETURN_INT(0);
if (ev_is_active(&(socket->ev_io)) || ev_is_pending(&(socket->ev_io)))
ev_io_stop(curl->ev_base, &(socket->ev_io));
ev_async_send(curl->ev_base, curl->ev_async);
PTR_FREE(socket);
DBG_RETURN_INT(0);
}
/***
* NAME
* mir_curl_socket_cb - CURLMOPT_SOCKETFUNCTION callback function
*
* ARGUMENTS
* easy -
* s -
* what -
* userp -
* socketp -
*
* DESCRIPTION
* -
*
* RETURN VALUE
* -
*/
static int mir_curl_socket_cb(CURL *easy, curl_socket_t s, int what, void *userp, void *socketp)
{
struct curl_data *curl = (typeof(curl))userp;
struct curl_sock *socket = (typeof(socket)) socketp;
int retval = 0;
DBG_FUNC(NULL, "%p, %d, %d, %p, %p", easy, s, what, userp, socketp);
if (what == CURL_POLL_REMOVE)
retval = mir_curl_socket_remove(socket, curl);
else if (_nNULL(socket))
retval = mir_curl_socket_set(socket, easy, s, what, curl);
else if (_NULL(socket = mir_curl_socket_add(easy, s, what, curl)))
retval = -1;
DBG_RETURN_INT(retval);
}
/***
* NAME
* mir_curl_ev_timer_cb - libev socket timer callback function
*
* ARGUMENTS
* loop -
* ev -
* revents -
*
* DESCRIPTION
* Called by libev when our timeout expires.
*
* RETURN VALUE
* This function does not return a value.
*/
static void mir_curl_ev_timer_cb(struct ev_loop *loop __maybe_unused, struct ev_timer *ev, int revents __maybe_unused)
{
struct curl_data *curl = (typeof(curl))(ev->data);
CURLMcode rcm;
DBG_FUNC(NULL, "%p, %p, 0x%08x", loop, ev, revents);
if ((rcm = curl_multi_socket_action(curl->multi, CURL_SOCKET_TIMEOUT, 0, &(curl->running_handles))) != CURLM_OK)
CURL_ERR_MULTI("Failed data transfer", rcm);
mir_curl_check_multi_info(curl);
DBG_RETURN();
}
/***
* NAME
* mir_curl_timer_cb - CURLMOPT_TIMERFUNCTION callback function
*
* ARGUMENTS
* multi -
* timeout_ms -
* userp -
*
* DESCRIPTION
* Update the event timer after curl_multi library calls.
*
* RETURN VALUE
* -
*/
static int mir_curl_timer_cb(CURLM *multi __maybe_unused, long timeout_ms, void *userp)
{
struct curl_data *curl = (typeof(curl))userp;
DBG_FUNC(NULL, "%p, %ld, %p", multi, timeout_ms, userp);
ev_timer_stop(curl->ev_base, &(curl->ev_timer));
/***
* If the value of argument timeout_ms is less than 0, then the timer
* should only be stopped; otherwise a timeout is set.
*/
if (timeout_ms >= 0) {
/***
* If timeout is set to 0, we will delay calling the callback
* function mir_curl_ev_timer_cb() by 1 millisecond.
*/
if (timeout_ms == 0)
timeout_ms = 1;
ev_timer_init(&(curl->ev_timer), mir_curl_ev_timer_cb, timeout_ms / 1000.0, 0.0);
ev_timer_start(curl->ev_base, &(curl->ev_timer));
}
ev_async_send(curl->ev_base, curl->ev_async);
DBG_RETURN_INT(CURLM_OK);
}
/***
* NAME
* mir_curl_set_headers -
*
* ARGUMENTS
* con -
* mir -
*
* DESCRIPTION
* -
*
* RETURN VALUE
* -
*/
static CURLcode mir_curl_set_headers(struct curl_con *con, const struct mirror *mir)
{
struct buffer *hdr, *hdr_back;
struct curl_slist *slist;
CURLcode retval = CURLE_OK;
DBG_FUNC(NULL, "%p, %p", con, mir);
if (_NULL(con) || _NULL(mir))
DBG_RETURN_INT(retval);
list_for_each_entry_safe(hdr, hdr_back, &(mir->hdrs), list) {
slist = curl_slist_append(con->hdrs, (const char *)hdr->ptr);
if (_NULL(slist)) {
DBG_RETURN_INT(CURLE_OUT_OF_MEMORY);
break;
}
con->hdrs = slist;
}
if ((retval == CURLE_OK) && _nNULL(mir->method))
if ((retval = curl_easy_setopt(con->easy, CURLOPT_CUSTOMREQUEST, mir->method)) != CURLE_OK)
CURL_ERR_EASY("Failed to set HTTP request method", retval);
if ((retval == CURLE_OK) && _nNULL(con->hdrs))
if ((retval = curl_easy_setopt(con->easy, CURLOPT_HTTPHEADER, con->hdrs)) != CURLE_OK)
CURL_ERR_EASY("Failed to set HTTP headers", retval);
DBG_RETURN_INT(retval);
}
/***
* NAME
* mir_curl_init -
*
* ARGUMENTS
* loop -
* ev -
* curl -
*
* DESCRIPTION
* -
*
* RETURN VALUE
* -
*/
int mir_curl_init(struct ev_loop *loop, struct ev_async *ev, struct curl_data *curl)
{
#ifndef USE_THREADS
CURLcode rc;
#endif
CURLMcode rcm;
int retval = FUNC_RET_ERROR;
DBG_FUNC(NULL, "%p, %p", loop, curl);
if (_NULL(loop) || _NULL(curl))
DBG_RETURN_INT(retval);
(void)memset(curl, 0, sizeof(*curl));
curl->ev_base = loop;
curl->ev_async = ev;
ev_timer_init(&(curl->ev_timer), mir_curl_ev_timer_cb, 0.0, 0.0);
curl->ev_timer.data = curl;
#ifndef USE_THREADS
if ((rc = curl_global_init(CURL_GLOBAL_DEFAULT)) != CURLE_OK)
w_log(NULL, CURL_STR _E("Failed to initialize library"));
else
#endif
if (_NULL(curl->multi = curl_multi_init()))
w_log(NULL, CURL_STR _E("Failed to initialize multi handle"));
else if ((rcm = curl_multi_setopt(curl->multi, CURLMOPT_SOCKETFUNCTION, mir_curl_socket_cb)) != CURLM_OK)
CURL_ERR_MULTI("Failed to add socket callback function", rcm);
else if ((rcm = curl_multi_setopt(curl->multi, CURLMOPT_SOCKETDATA, curl)) != CURLM_OK)
CURL_ERR_MULTI("Failed to set socket callback function data", rcm);
else if ((rcm = curl_multi_setopt(curl->multi, CURLMOPT_TIMERFUNCTION, mir_curl_timer_cb)) != CURLM_OK)
CURL_ERR_MULTI("Failed to add timer callback function", rcm);
else if ((rcm = curl_multi_setopt(curl->multi, CURLMOPT_TIMERDATA, curl)) != CURLM_OK)
CURL_ERR_MULTI("Failed to set timer callback function data", rcm);
else
DBG_RETURN_INT(FUNC_RET_OK);
if (_ERROR(retval))
mir_curl_close(curl);
DBG_RETURN_INT(retval);
}
/***
* NAME
* mir_curl_close -
*
* ARGUMENTS
* curl -
*
* DESCRIPTION
* -
*
* RETURN VALUE
* This function does not return a value.
*/
void mir_curl_close(struct curl_data *curl)
{
DBG_FUNC(NULL, "%p", curl);
if (_NULL(curl))
DBG_RETURN();
if (_nNULL(curl->multi))
(void)curl_multi_cleanup(curl->multi);
if (ev_is_active(&(curl->ev_timer)) || ev_is_pending(&(curl->ev_timer)))
ev_timer_stop(curl->ev_base, &(curl->ev_timer));
ev_async_send(curl->ev_base, curl->ev_async);
#ifndef USE_THREADS
curl_global_cleanup();
#endif
(void)memset(curl, 0, sizeof(*curl));
DBG_RETURN();
}
/***
* NAME
* mir_curl_read_cb - CURLOPT_READFUNCTION callback function
*
* ARGUMENTS
* buffer -
* size -
* nitems -
* instream -
*
* DESCRIPTION
* -
*
* RETURN VALUE
* -
*/
static size_t mir_curl_read_cb(void *buffer __maybe_unused, size_t size, size_t nitems, void *instream)
{
size_t retval = 0;
struct curl_con *con = (typeof(con))instream;
DBG_FUNC(NULL, "%p, %zu, %zu, %p", buffer, size, nitems, instream);
if (_NULL(con) || _NULL(con->mir) || _NULL(con->mir->body)) {
DBG_RETURN_SIZE(retval);
}
else if (con->mir->body_head < con->mir->body_size) {
retval = MIN(size * nitems, con->mir->body_size - con->mir->body_head);
(void)memcpy(buffer, con->mir->body + con->mir->body_head, retval);
CURL_DBG("%zu+%zu/%zu byte(s) sent", retval, con->mir->body_head, con->mir->body_size);
con->mir->body_head += retval;
}
DBG_RETURN_SIZE(retval);
}
/***
* NAME
* mir_curl_write_cb - CURLOPT_WRITEFUNCTION callback function
*
* ARGUMENTS
* buffer -
* size -
* nitems -
* outstream -
*
* DESCRIPTION
* -
*
* RETURN VALUE
* -
*/
static size_t mir_curl_write_cb(void *buffer __maybe_unused, size_t size, size_t nitems, void *outstream __maybe_unused)
{
size_t retval = size * nitems;
DBG_FUNC(NULL, "%p, %zu, %zu, %p", buffer, size, nitems, outstream);
DBG_RETURN_SIZE(retval);
}
/***
* NAME
* mir_curl_xferinfo_cb - CURLOPT_XFERINFOFUNCTION/CURLOPT_PROGRESSFUNCTION callback function
*
* ARGUMENTS
* clientp -
* dltotal -
* dlnow -
* ultotal -
* ulnow -
*
* DESCRIPTION
* -
*
* RETURN VALUE
* -
*/
#if CURL_AT_LEAST_VERSION(7, 32, 0)
static int mir_curl_xferinfo_cb(void *clientp, curl_off_t dltotal __maybe_unused, curl_off_t dlnow __maybe_unused, curl_off_t ultotal __maybe_unused, curl_off_t ulnow __maybe_unused)
{
struct curl_con *con = (typeof(con))clientp;
DBG_FUNC(NULL, "%p, %"PRId64", %"PRId64", %"PRId64", %"PRId64, clientp, dltotal, dlnow, ultotal, ulnow);
CURL_DBG("Progress: %s (%"PRId64"/%"PRId64" %"PRId64"/%"PRId64")", con->mir->url, dlnow, dltotal, ulnow, ultotal);
DBG_RETURN_INT(0);
}
#else
static int mir_curl_xferinfo_cb(void *clientp, double dltotal __maybe_unused, double dlnow __maybe_unused, double ultotal __maybe_unused, double ulnow __maybe_unused)
{
struct curl_con *con = (typeof(con))clientp;
DBG_FUNC(NULL, "%p, %f, %f, %f, %f", clientp, dltotal, dlnow, ultotal, ulnow);
CURL_DBG("Progress: %s (%.0f/%.0f %.0f/%.0f)", con->mir->url, dlnow, dltotal, ulnow, ultotal);
DBG_RETURN_INT(0);
}
#endif /* CURL_AT_LEAST_VERSION(7, 32, 0) */
/***
* NAME
* mir_curl_add_keepalive -
*
* ARGUMENTS
* con -
* flag_alive -
* idle -
* intvl -
*
* DESCRIPTION
* -
*
* RETURN VALUE
* -
*/
static CURLcode mir_curl_add_keepalive(struct curl_con *con, bool_t flag_alive, long idle, long intvl)
{
CURLcode retval = CURLE_BAD_FUNCTION_ARGUMENT;
DBG_FUNC(NULL, "%p, %hhu, %ld, %ld", con, flag_alive, idle, intvl);
if (_NULL(con))
DBG_RETURN_INT(retval);
if ((retval = curl_easy_setopt(con->easy, CURLOPT_TCP_KEEPALIVE, (long)flag_alive)) != CURLE_OK)
CURL_ERR_EASY("Failed to set TCP keepalive", retval);
else if (!flag_alive)
/* Do nothing. */;
else if ((idle >= 0) && (retval = curl_easy_setopt(con->easy, CURLOPT_TCP_KEEPIDLE, idle)) != CURLE_OK)
CURL_ERR_EASY("Failed to set TCP keepidle", retval);
else if ((intvl >= 0) && (retval = curl_easy_setopt(con->easy, CURLOPT_TCP_KEEPINTVL, intvl)) != CURLE_OK)
CURL_ERR_EASY("Failed to set TCP keepintvl", retval);
DBG_RETURN_INT(retval);
}
/***
* NAME
* mir_curl_add_post -
*
* ARGUMENTS
* con -
* mir -
*
* DESCRIPTION
* -
*
* RETURN VALUE
* -
*/
static CURLcode mir_curl_add_post(struct curl_con *con, const struct mirror *mir)
{
CURLcode retval = CURLE_BAD_FUNCTION_ARGUMENT;
DBG_FUNC(NULL, "%p, %p", con, mir);
if (_NULL(con) || _NULL(mir))
DBG_RETURN_INT(retval);
if (mir->request_method != CURL_HTTP_METHOD_POST)
retval = CURLE_OK;
else if ((retval = curl_easy_setopt(con->easy, CURLOPT_HTTP_CONTENT_DECODING, 0L)) != CURLE_OK)
CURL_ERR_EASY("Failed to set HTTP content decoding", retval);
else if ((retval = curl_easy_setopt(con->easy, CURLOPT_HTTP_TRANSFER_DECODING, 0L)) != CURLE_OK)
CURL_ERR_EASY("Failed to set HTTP transfer decoding", retval);
else if ((retval = curl_easy_setopt(con->easy, CURLOPT_POST, 1L)) != CURLE_OK)
CURL_ERR_EASY("Failed to init HTTP POST data", retval);
else if ((retval = curl_easy_setopt(con->easy, CURLOPT_POSTFIELDSIZE_LARGE, (curl_off_t)mir->body_size)) != CURLE_OK)
CURL_ERR_EASY("Failed to set HTTP POST data size", retval);
else if ((retval = curl_easy_setopt(con->easy, CURLOPT_READFUNCTION, mir_curl_read_cb)) != CURLE_OK)
CURL_ERR_EASY("Failed to set read callback function", retval);
else if ((retval = curl_easy_setopt(con->easy, CURLOPT_READDATA, con)) != CURLE_OK)
CURL_ERR_EASY("Failed to set read callback function data", retval);
DBG_RETURN_INT(retval);
}
/***
* NAME
* mir_curl_add_put -
*
* ARGUMENTS
* con -
* mir -
*
* DESCRIPTION
* -
*
* RETURN VALUE
* -
*/
static CURLcode mir_curl_add_put(struct curl_con *con, const struct mirror *mir)
{
CURLcode retval = CURLE_BAD_FUNCTION_ARGUMENT;
DBG_FUNC(NULL, "%p, %p", con, mir);
if (_NULL(con) || _NULL(mir))
DBG_RETURN_INT(retval);
if (mir->request_method != CURL_HTTP_METHOD_PUT)
retval = CURLE_OK;
else if ((retval = curl_easy_setopt(con->easy, CURLOPT_HTTP_CONTENT_DECODING, 0L)) != CURLE_OK)
CURL_ERR_EASY("Failed to set HTTP content decoding", retval);
else if ((retval = curl_easy_setopt(con->easy, CURLOPT_HTTP_TRANSFER_DECODING, 0L)) != CURLE_OK)
CURL_ERR_EASY("Failed to set HTTP transfer decoding", retval);
else if ((retval = curl_easy_setopt(con->easy, CURLOPT_READFUNCTION, mir_curl_read_cb)) != CURLE_OK)
CURL_ERR_EASY("Failed to set read callback function", retval);
else if ((retval = curl_easy_setopt(con->easy, CURLOPT_UPLOAD, 1L)) != CURLE_OK)
CURL_ERR_EASY("Failed to enable uploading", retval);
#if !CURL_AT_LEAST_VERSION(7, 12, 1)
else if ((retval = curl_easy_setopt(con->easy, CURLOPT_PUT, 1L)) != CURLE_OK)
CURL_ERR_EASY("Failed to init HTTP PUT data", retval);
#endif
else if ((retval = curl_easy_setopt(con->easy, CURLOPT_READDATA, con)) != CURLE_OK)
CURL_ERR_EASY("Failed to set read callback function data", retval);
else if ((retval = curl_easy_setopt(con->easy, CURLOPT_INFILESIZE_LARGE, (curl_off_t)mir->body_size)) != CURLE_OK)
CURL_ERR_EASY("Failed to set HTTP PUT data size", retval);
DBG_RETURN_INT(retval);
}
/***
* NAME
* mir_curl_add_out -
*
* ARGUMENTS
* con -
* mir -
*
* DESCRIPTION
* -
*
* RETURN VALUE
* -
*/
static CURLcode mir_curl_add_out(struct curl_con *con, const struct mirror *mir)
{
CURLcode retval = CURLE_OK;
DBG_FUNC(NULL, "%p, %p", con, mir);
if (_NULL(con) || _NULL(mir))
DBG_RETURN_INT(retval);
if (_nNULL(mir->out_address))
if ((retval = curl_easy_setopt(con->easy, CURLOPT_INTERFACE, mir->out_address)) != CURLE_OK)
CURL_ERR_EASY("Failed to set outgoing connections interface", retval);
if ((retval != CURLE_OK) || (mir->out_port[0] == 0))
/* Do nothing. */;
else if ((retval = curl_easy_setopt(con->easy, CURLOPT_LOCALPORT, (long)mir->out_port[0])) != CURLE_OK)
CURL_ERR_EASY("Failed to set outgoing connections port", retval);
else if (mir->out_port[1] == 0)
/* Do nothing. */;
else if ((retval = curl_easy_setopt(con->easy, CURLOPT_LOCALPORTRANGE, (long)mir->out_port[1])) != CURLE_OK)
CURL_ERR_EASY("Failed to set outgoing connections port range", retval);
DBG_RETURN_INT(retval);
}
/***
* NAME
* mir_curl_add_cert -
*
* ARGUMENTS
* con -
* mir -
*
* DESCRIPTION
* -
*
* RETURN VALUE
* -
*/
static CURLcode mir_curl_add_cert(struct curl_con *con, const struct mirror *mir)
{
CURLcode retval = CURLE_BAD_FUNCTION_ARGUMENT;
DBG_FUNC(NULL, "%p, %p", con, mir);
if (_NULL(con) || _NULL(mir))
DBG_RETURN_INT(retval);
if (strncasecmp(mir->url, STR_ADDRSIZE(STR_HTTPS_PFX)) != 0) {
retval = CURLE_OK;
} else {
CURL_DBG("disabling SSL peer/host verification");
if ((retval = curl_easy_setopt(con->easy, CURLOPT_SSL_VERIFYPEER, 0L)) != CURLE_OK)
CURL_ERR_EASY("Failed to disable SSL peer verification", retval);
else if ((retval = curl_easy_setopt(con->easy, CURLOPT_SSL_VERIFYHOST, 0L)) != CURLE_OK)
CURL_ERR_EASY("Failed to disable SSL host verification", retval);
}
DBG_RETURN_INT(retval);
}
/***
* NAME
* mir_curl_add_url -
*
* ARGUMENTS
* con -
* mir -
*
* DESCRIPTION
* -
*
* RETURN VALUE
* -
*/
static CURLcode mir_curl_add_url(struct curl_con *con, const struct mirror *mir)
{
CURLcode retval = CURLE_BAD_FUNCTION_ARGUMENT;
DBG_FUNC(NULL, "%p, %p", con, mir);
if (_NULL(con) || _NULL(mir))
DBG_RETURN_INT(retval);
#if CURL_AT_LEAST_VERSION(7, 33, 0)
if (_NULL(mir->version) || (strcasecmp(mir->version, "2.0") != 0))
retval = CURLE_OK;
else if ((retval = curl_easy_setopt(con->easy, CURLOPT_HTTP_VERSION, (long)CURL_HTTP_VERSION_2_0)) != CURLE_OK)
CURL_ERR_EASY("Failed to set HTTP version", retval);
#else
retval = CURLE_OK;
#endif
if (retval != CURLE_OK)
/* Do nothing. */;
else if ((retval = curl_easy_setopt(con->easy, CURLOPT_URL, mir->url)) != CURLE_OK)
CURL_ERR_EASY("Failed to set URL", retval);
DBG_RETURN_INT(retval);
}
/***
* NAME
* mir_curl_add -
*
* ARGUMENTS
* curl -
* mir -
*
* DESCRIPTION
* Create a new easy handle, and add it to the global curl_multi.
*
* RETURN VALUE
* -
*/
int mir_curl_add(struct curl_data *curl, struct mirror *mir)
{
struct curl_con *con;
CURLcode rc;
CURLMcode rcm;
long con_timeout_ms = CURL_CON_TMOUT, timeout_ms = CURL_TMOUT;
int retval = FUNC_RET_ERROR;
DBG_FUNC(NULL, "%p, %p", curl, mir);
if (_NULL(curl) || _NULL(mir))
DBG_RETURN_INT(retval);
CURL_DBG("Adding mirror { \"%s\" \"%s\" \"%s\" %d \"%s\" { %p %p } %p %zu/%zu }", mir->url, mir->path, mir->method, mir->request_method, mir->version, mir->hdrs.p, mir->hdrs.n, mir->body, mir->body_head, mir->body_size);
con_timeout_ms = CLAMP_VALUE(con_timeout_ms, CURL_CON_TMOUT_MIN, CURL_CON_TMOUT_MAX);
timeout_ms = CLAMP_VALUE(timeout_ms, CURL_TMOUT_MIN, CURL_TMOUT_MAX);