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4d96d6a753
Reducing the buffer size of HTTPS responses broke DHT nodelist fetching. This change puts the old buffer size back and converts all stack allocations of the read buffer to heap allocations.
56 lines
2.5 KiB
C
56 lines
2.5 KiB
C
/* curl_util.h
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*
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*
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* Copyright (C) 2016 Toxic All Rights Reserved.
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*
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* This file is part of Toxic.
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*
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* Toxic is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Toxic is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Toxic. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef CURL_UTIL_H
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#define CURL_UTIL_H
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/* List based on Mozilla's recommended configurations for modern browsers */
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#define TLS_CIPHER_SUITE_LIST "ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:DHE-DSS-AES128-GCM-SHA256:kEDH+AESGCM:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA:ECDHE-ECDSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA:DHE-DSS-AES128-SHA256:DHE-RSA-AES256-SHA256:DHE-DSS-AES256-SHA:DHE-RSA-AES256-SHA:!aNULL:!eNULL:!EXPORT:!DES:!RC4:!3DES:!MD5:!PSK"
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/* Max size of an http response that we can store in Recv_Data */
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#define MAX_RECV_CURL_DATA_SIZE 32767
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/* Holds data received from curl lookup */
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struct Recv_Curl_Data {
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char data[MAX_RECV_CURL_DATA_SIZE + 1]; /* Data received from curl write data callback */
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size_t length; /* Total number of bytes written to data buffer (doesn't include null) */
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};
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/* Sets proxy info for given CURL handler.
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*
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* Returns 0 on success or if no proxy is set by the client.
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* Returns -1 if proxy info is invalid.
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* Returns an int > 0 on curl error (see: https://curl.haxx.se/libcurl/c/libcurl-errors.html)
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*/
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int set_curl_proxy(CURL *c_handle, const char *proxy_address, uint16_t port, uint8_t proxy_type);
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/* Callback function for CURL to write received data.
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*
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* This function will append data from an http request to the data buffer
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* until the request is complete or the buffer is full. Buffer will be null terminated.
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*
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* Returns size of bytes written to the data buffer.
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*/
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size_t curl_cb_write_data(void *data, size_t size, size_t nmemb, void *user_pointer);
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#endif /* CURL_UTIL_H */
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