mirror of
https://github.com/MariaDB/server.git
synced 2025-01-16 12:02:42 +01:00
303 lines
7.6 KiB
C++
303 lines
7.6 KiB
C++
/* Copyright (C) 2010 Sergei Golubchik and Monty Program Ab
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This program 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; version 2 of the License.
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This program 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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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
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#include "feedback.h"
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#ifdef HAVE_NETDB_H
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#include <netdb.h>
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#endif
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#ifdef _WIN32
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#undef VOID
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#define VOID void
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#include <ws2tcpip.h>
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#define addrinfo ADDRINFOA
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#endif
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namespace feedback {
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static const uint FOR_READING= 0;
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static const uint FOR_WRITING= 1;
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#ifdef MARIADB_BASE_VERSION
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#define ssl_connect(A,B,C,D) sslconnect(A,B,C,D)
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#else
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#define ssl_connect(A,B,C,D) sslconnect(A,B,C)
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#endif
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/**
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implementation of the Url class that sends the data via HTTP POST request.
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Both http:// and https:// protocols are supported.
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*/
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class Url_http: public Url {
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protected:
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const LEX_STRING host, port, path;
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bool ssl;
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Url_http(LEX_STRING &url_arg, LEX_STRING &host_arg,
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LEX_STRING &port_arg, LEX_STRING &path_arg, bool ssl_arg) :
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Url(url_arg), host(host_arg), port(port_arg), path(path_arg), ssl(ssl_arg)
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{}
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~Url_http()
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{
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my_free(host.str, MYF(0));
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my_free(port.str, MYF(0));
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my_free(path.str, MYF(0));
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}
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public:
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int send(const char* data, size_t data_length);
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friend Url* http_create(const char *url, size_t url_length);
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};
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/**
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create a Url_http object out of the url, if possible.
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@note
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Arbitrary limitations here.
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The url must be http[s]://hostname[:port]/path
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No username:password@ or ?script=parameters are supported.
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But it's ok. This is not a generic purpose www browser - it only needs to be
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good enough to POST the data to mariadb.org.
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*/
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Url* http_create(const char *url, size_t url_length)
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{
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const char *s;
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LEX_STRING full_url= {const_cast<char*>(url), url_length};
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LEX_STRING host, port, path;
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bool ssl= false;
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if (is_prefix(url, "http://"))
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s= url + 7;
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#ifdef HAVE_OPENSSL
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else if (is_prefix(url, "https://"))
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{
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ssl= true;
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s= url + 8;
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}
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#endif
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else
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return NULL;
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for (url= s; *s && *s != ':' && *s != '/'; s++) /* no-op */;
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host.str= const_cast<char*>(url);
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host.length= s-url;
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if (*s == ':')
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{
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for (url= ++s; *s && *s >= '0' && *s <= '9'; s++) /* no-op */;
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port.str= const_cast<char*>(url);
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port.length= s-url;
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}
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else
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{
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if (ssl)
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{
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port.str= const_cast<char*>("443");
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port.length=3;
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}
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else
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{
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port.str= const_cast<char*>("80");
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port.length=2;
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}
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}
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if (*s == 0)
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{
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path.str= const_cast<char*>("/");
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path.length= 1;
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}
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else
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{
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path.str= const_cast<char*>(s);
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path.length= strlen(s);
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}
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if (!host.length || !port.length || path.str[0] != '/')
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return NULL;
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host.str= my_strndup(host.str, host.length, MYF(MY_WME));
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port.str= my_strndup(port.str, port.length, MYF(MY_WME));
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path.str= my_strndup(path.str, path.length, MYF(MY_WME));
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if (!host.str || !port.str || !path.str)
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{
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my_free(host.str, MYF(MY_ALLOW_ZERO_PTR));
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my_free(port.str, MYF(MY_ALLOW_ZERO_PTR));
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my_free(path.str, MYF(MY_ALLOW_ZERO_PTR));
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return NULL;
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}
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return new Url_http(full_url, host, port, path, ssl);
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}
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/* do the vio_write and check that all data were sent ok */
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#define write_check(VIO, DATA, LEN) \
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(vio_write((VIO), (uchar*)(DATA), (LEN)) != (LEN))
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int Url_http::send(const char* data, size_t data_length)
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{
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my_socket fd= INVALID_SOCKET;
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char buf[1024];
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uint len;
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addrinfo *addrs, *addr, filter= {0, AF_UNSPEC, SOCK_STREAM, 6, 0, 0, 0, 0};
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int res= getaddrinfo(host.str, port.str, &filter, &addrs);
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if (res)
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{
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sql_print_error("feedback plugin: getaddrinfo() failed for url '%s': %s",
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full_url.str, gai_strerror(res));
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return 1;
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}
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for (addr= addrs; addr != NULL; addr= addr->ai_next)
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{
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fd= socket(addr->ai_family, addr->ai_socktype, addr->ai_protocol);
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if (fd == INVALID_SOCKET)
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continue;
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if (connect(fd, addr->ai_addr, addr->ai_addrlen) == 0)
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break;
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closesocket(fd);
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}
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freeaddrinfo(addrs);
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if (fd == INVALID_SOCKET)
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{
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sql_print_error("feedback plugin: could not connect for url '%s'",
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full_url.str);
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return 1;
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}
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Vio *vio= vio_new(fd, VIO_TYPE_TCPIP, 0);
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if (!vio)
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{
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sql_print_error("feedback plugin: vio_new failed for url '%s'",
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full_url.str);
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closesocket(fd);
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return 1;
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}
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#ifdef HAVE_OPENSSL
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struct st_VioSSLFd *UNINIT_VAR(ssl_fd);
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if (ssl)
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{
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buf[0]= 0;
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if (!(ssl_fd= new_VioSSLConnectorFd(0, 0, 0, 0, 0)) ||
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ssl_connect(ssl_fd, vio, send_timeout, buf))
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{
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sql_print_error("feedback plugin: ssl failed for url '%s' %s",
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full_url.str, buf);
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if (ssl_fd)
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free_vio_ssl_acceptor_fd(ssl_fd);
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closesocket(fd);
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vio_delete(vio);
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return 1;
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}
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}
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#endif
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static const LEX_STRING boundary=
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{ C_STRING_WITH_LEN("----------------------------ba4f3696b39f") };
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static const LEX_STRING header=
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{ C_STRING_WITH_LEN("\r\n"
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"Content-Disposition: form-data; name=\"data\"; filename=\"-\"\r\n"
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"Content-Type: application/octet-stream\r\n\r\n")
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};
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len= my_snprintf(buf, sizeof(buf),
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"POST %s HTTP/1.0\r\n"
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"User-Agent: MariaDB User Feedback Plugin\r\n"
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"Host: %s:%s\r\n"
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"Accept: */*\r\n"
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"Content-Length: %u\r\n"
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"Content-Type: multipart/form-data; boundary=%s\r\n"
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"\r\n",
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path.str, host.str, port.str,
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(uint)(2*boundary.length + header.length + data_length + 4),
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boundary.str + 2);
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vio_timeout(vio, FOR_READING, send_timeout);
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vio_timeout(vio, FOR_WRITING, send_timeout);
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res = write_check(vio, buf, len)
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|| write_check(vio, boundary.str, boundary.length)
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|| write_check(vio, header.str, header.length)
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|| write_check(vio, data, data_length)
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|| write_check(vio, boundary.str, boundary.length)
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|| write_check(vio, "--\r\n", 4);
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if (res)
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sql_print_error("feedback plugin: failed to send report to '%s'",
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full_url.str);
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else
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{
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sql_print_information("feedback plugin: report to '%s' was sent",
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full_url.str);
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/*
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if the data were send successfully, read the reply.
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Extract the first string between <h1>...</h1> tags
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and put it as a server reply into the error log.
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*/
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len= vio_read(vio, (uchar*)buf, sizeof(buf)-1);
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if (len && len < sizeof(buf))
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{
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char *from;
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buf[len+1]= 0; // safety
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if ((from= strstr(buf, "<h1>")))
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{
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from+= 4;
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char *to= strstr(from, "</h1>");
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if (to)
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*to= 0;
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else
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from= NULL;
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}
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if (from)
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sql_print_information("feedback plugin: server replied '%s'", from);
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else
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sql_print_warning("feedback plugin: failed to parse server reply");
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}
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else
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{
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res= 1;
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sql_print_error("feedback plugin: failed to read server reply");
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}
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}
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vio_delete(vio);
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#ifdef HAVE_OPENSSL
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if (ssl)
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{
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SSL_CTX_free(ssl_fd->ssl_context);
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my_free(ssl_fd, MYF(0));
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}
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#endif
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return res;
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}
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} // namespace feedback
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