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/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2011, Daniel Stenberg, <daniel@haxx.se>, et al.
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*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at http://curl.haxx.se/docs/copyright.html.
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the COPYING file.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
* RFC1939 POP3 protocol
* RFC2384 POP URL Scheme
* RFC2595 Using TLS with IMAP, POP3 and ACAP
*
***************************************************************************/
#include "setup.h"
#ifndef CURL_DISABLE_POP3
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <stdarg.h>
#include <ctype.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif
#ifdef HAVE_ARPA_INET_H
#include <arpa/inet.h>
#endif
#ifdef HAVE_UTSNAME_H
#include <sys/utsname.h>
#endif
#ifdef HAVE_NETDB_H
#include <netdb.h>
#endif
#include <in.h>
#include <inet.h>
#endif
#if (defined(NETWARE) && defined(__NOVELL_LIBC__))
#undef in_addr_t
#define in_addr_t unsigned long
#endif
#include <curl/curl.h>
#include "urldata.h"
#include "sendf.h"
#include "if2ip.h"
#include "hostip.h"
#include "progress.h"
#include "transfer.h"
#include "escape.h"
#include "http.h" /* for HTTP proxy tunnel stuff */
#include "socks.h"
#include "pop3.h"
#include "strtoofft.h"
#include "strequal.h"
#include "sslgen.h"
#include "connect.h"
#include "strerror.h"
#include "select.h"
#include "multiif.h"
#include "url.h"
#include "rawstr.h"
#include "strtoofft.h"
#define _MPRINTF_REPLACE /* use our functions only */
#include <curl/mprintf.h>
#include "curl_memory.h"
/* The last #include file should be: */
#include "memdebug.h"
/* Local API functions */
static CURLcode pop3_parse_url_path(struct connectdata *conn);
static CURLcode pop3_regular_transfer(struct connectdata *conn, bool *done);
static CURLcode pop3_do(struct connectdata *conn, bool *done);
static CURLcode pop3_done(struct connectdata *conn,
CURLcode, bool premature);
static CURLcode pop3_connect(struct connectdata *conn, bool *done);
static CURLcode pop3_disconnect(struct connectdata *conn, bool dead);
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static CURLcode pop3_multi_statemach(struct connectdata *conn, bool *done);
static int pop3_getsock(struct connectdata *conn,
curl_socket_t *socks,
int numsocks);
static CURLcode pop3_doing(struct connectdata *conn,
bool *dophase_done);
static CURLcode pop3_setup_connection(struct connectdata * conn);
/*
* POP3 protocol handler.
*/
const struct Curl_handler Curl_handler_pop3 = {
"POP3", /* scheme */
pop3_setup_connection, /* setup_connection */
pop3_do, /* do_it */
pop3_done, /* done */
ZERO_NULL, /* do_more */
pop3_connect, /* connect_it */
pop3_multi_statemach, /* connecting */
pop3_doing, /* doing */
pop3_getsock, /* proto_getsock */
pop3_getsock, /* doing_getsock */
ZERO_NULL, /* perform_getsock */
pop3_disconnect, /* disconnect */
PORT_POP3, /* defport */
};
#ifdef USE_SSL
/*
* POP3S protocol handler.
*/
const struct Curl_handler Curl_handler_pop3s = {
"POP3S", /* scheme */
pop3_setup_connection, /* setup_connection */
pop3_do, /* do_it */
pop3_done, /* done */
ZERO_NULL, /* do_more */
pop3_connect, /* connect_it */
pop3_multi_statemach, /* connecting */
pop3_doing, /* doing */
pop3_getsock, /* proto_getsock */
pop3_getsock, /* doing_getsock */
ZERO_NULL, /* perform_getsock */
pop3_disconnect, /* disconnect */
PORT_POP3S, /* defport */
CURLPROTO_POP3 | CURLPROTO_POP3S, /* protocol */
PROTOPT_CLOSEACTION | PROTOPT_SSL /* flags */
};
#endif
#ifndef CURL_DISABLE_HTTP
/*
* HTTP-proxyed POP3 protocol handler.
*/
static const struct Curl_handler Curl_handler_pop3_proxy = {
"POP3", /* scheme */
ZERO_NULL, /* setup_connection */
Curl_http, /* do_it */
Curl_http_done, /* done */
ZERO_NULL, /* do_more */
ZERO_NULL, /* connect_it */
ZERO_NULL, /* connecting */
ZERO_NULL, /* doing */
ZERO_NULL, /* proto_getsock */
ZERO_NULL, /* doing_getsock */
ZERO_NULL, /* perform_getsock */
ZERO_NULL, /* disconnect */
PORT_POP3, /* defport */
};
#ifdef USE_SSL
/*
* HTTP-proxyed POP3S protocol handler.
*/
static const struct Curl_handler Curl_handler_pop3s_proxy = {
"POP3S", /* scheme */
ZERO_NULL, /* setup_connection */
Curl_http, /* do_it */
Curl_http_done, /* done */
ZERO_NULL, /* do_more */
ZERO_NULL, /* connect_it */
ZERO_NULL, /* connecting */
ZERO_NULL, /* doing */
ZERO_NULL, /* proto_getsock */
ZERO_NULL, /* doing_getsock */
ZERO_NULL, /* perform_getsock */
ZERO_NULL, /* disconnect */
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