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functions for converting between host and network byte order. These names are the de facto standard names for this functionality because of the original BSD TCP/IP implementation. But they cause problems for uIP/Contiki: some platforms define these names themselves (Mac OS, most notably), causing compilation problems for Contiki on those platforms. This commit changes all htons to uip_htons instead. Same goes for htonl, ntohs, and ntohl. All-caps versions as well.
241 lines
6.1 KiB
C
241 lines
6.1 KiB
C
/*
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* Copyright (c) 2004, Adam Dunkels.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* This file is part of the Contiki operating system.
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*
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* Author: Adam Dunkels <adam@sics.se>
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*
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* $Id: smtp-socket.c,v 1.5 2010/10/19 18:29:03 adamdunkels Exp $
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*/
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#include "smtp.h"
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#include "smtp-strings.h"
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#include "contiki-net.h"
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#include <string.h>
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struct smtp_state {
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char connected;
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struct psock psock;
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char inputbuffer[4];
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char *to;
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char *cc;
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char *from;
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char *subject;
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char *msg;
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u8_t msgwidth;
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u8_t msgheight;
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u8_t line;
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};
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static struct smtp_state s;
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static char *localhostname;
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static uip_ipaddr_t smtpserver;
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#define ISO_nl 0x0a
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#define ISO_cr 0x0d
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#define ISO_period 0x2e
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#define ISO_2 0x32
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#define ISO_3 0x33
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#define ISO_4 0x34
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#define ISO_5 0x35
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#define SEND_STRING(s, str) PSOCK_SEND(s, (uint8_t *)str, (unsigned char)strlen(str))
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/*---------------------------------------------------------------------------*/
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static
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PT_THREAD(smtp_thread(void))
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{
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PSOCK_BEGIN(&s.psock);
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PSOCK_READTO(&s.psock, ISO_nl);
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if(strncmp(s.inputbuffer, smtp_220, 3) != 0) {
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PSOCK_CLOSE(&s.psock);
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smtp_done(2);
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PSOCK_EXIT(&s.psock);
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}
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SEND_STRING(&s.psock, (char *)smtp_helo);
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SEND_STRING(&s.psock, localhostname);
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SEND_STRING(&s.psock, (char *)smtp_crnl);
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PSOCK_READTO(&s.psock, ISO_nl);
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if(s.inputbuffer[0] != ISO_2) {
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PSOCK_CLOSE(&s.psock);
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smtp_done(3);
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PSOCK_EXIT(&s.psock);
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}
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SEND_STRING(&s.psock, (char *)smtp_mail_from);
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SEND_STRING(&s.psock, s.from);
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SEND_STRING(&s.psock, (char *)smtp_crnl);
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PSOCK_READTO(&s.psock, ISO_nl);
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if(s.inputbuffer[0] != ISO_2) {
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PSOCK_CLOSE(&s.psock);
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smtp_done(4);
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PSOCK_EXIT(&s.psock);
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}
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SEND_STRING(&s.psock, (char *)smtp_rcpt_to);
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SEND_STRING(&s.psock, s.to);
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SEND_STRING(&s.psock, (char *)smtp_crnl);
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PSOCK_READTO(&s.psock, ISO_nl);
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if(s.inputbuffer[0] != ISO_2) {
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PSOCK_CLOSE(&s.psock);
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smtp_done(5);
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PSOCK_EXIT(&s.psock);
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}
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if(*s.cc != 0) {
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SEND_STRING(&s.psock, (char *)smtp_rcpt_to);
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SEND_STRING(&s.psock, s.cc);
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SEND_STRING(&s.psock, (char *)smtp_crnl);
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PSOCK_READTO(&s.psock, ISO_nl);
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if(s.inputbuffer[0] != ISO_2) {
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PSOCK_CLOSE(&s.psock);
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smtp_done(6);
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PSOCK_EXIT(&s.psock);
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}
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}
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SEND_STRING(&s.psock, (char *)smtp_data);
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PSOCK_READTO(&s.psock, ISO_nl);
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if(s.inputbuffer[0] != ISO_3) {
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PSOCK_CLOSE(&s.psock);
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smtp_done(7);
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PSOCK_EXIT(&s.psock);
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}
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SEND_STRING(&s.psock, (char *)smtp_to);
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SEND_STRING(&s.psock, s.to);
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SEND_STRING(&s.psock, (char *)smtp_crnl);
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if(*s.cc != 0) {
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SEND_STRING(&s.psock, (char *)smtp_cc);
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SEND_STRING(&s.psock, s.cc);
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SEND_STRING(&s.psock, (char *)smtp_crnl);
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}
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SEND_STRING(&s.psock, (char *)smtp_from);
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SEND_STRING(&s.psock, s.from);
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SEND_STRING(&s.psock, (char *)smtp_crnl);
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SEND_STRING(&s.psock, (char *)smtp_subject);
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SEND_STRING(&s.psock, s.subject);
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SEND_STRING(&s.psock, (char *)smtp_crnl);
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for(s.line = 0; s.line < s.msgheight; ++s.line) {
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SEND_STRING(&s.psock, (char *)smtp_crnl);
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SEND_STRING(&s.psock, &s.msg[s.line * s.msgwidth]);
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}
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SEND_STRING(&s.psock, (char *)smtp_crnlperiodcrnl);
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PSOCK_READTO(&s.psock, ISO_nl);
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if(s.inputbuffer[0] != ISO_2) {
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PSOCK_CLOSE(&s.psock);
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smtp_done(8);
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PSOCK_EXIT(&s.psock);
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}
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SEND_STRING(&s.psock, (char *)smtp_quit);
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smtp_done(SMTP_ERR_OK);
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PSOCK_END(&s.psock);
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}
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/*---------------------------------------------------------------------------*/
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void
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smtp_appcall(void *state)
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{
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if(uip_closed()) {
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s.connected = 0;
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return;
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}
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if(uip_aborted() || uip_timedout()) {
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s.connected = 0;
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smtp_done(1);
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return;
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}
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smtp_thread();
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}
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/*---------------------------------------------------------------------------*/
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void
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smtp_configure(char *lhostname, uip_ipaddr_t *server)
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{
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localhostname = lhostname;
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uip_ipaddr_copy(&smtpserver, server);
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}
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/*---------------------------------------------------------------------------*/
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unsigned char
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smtp_send(char *to, char *cc, char *from, char *subject,
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char *msg, u8_t msgwidth, u8_t msgheight)
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{
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struct uip_conn *conn;
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conn = tcp_connect(&smtpserver, UIP_HTONS(25), NULL);
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if(conn == NULL) {
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return 0;
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}
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s.connected = 1;
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s.to = to;
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s.cc = cc;
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s.from = from;
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s.subject = subject;
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s.msg = msg;
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s.msgwidth = msgwidth;
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s.msgheight = msgheight;
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PSOCK_INIT(&s.psock, (uint8_t *)s.inputbuffer, sizeof(s.inputbuffer));
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return 1;
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}
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/*---------------------------------------------------------------------------*/
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void
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smtp_init(void)
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{
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s.connected = 0;
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}
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/*---------------------------------------------------------------------------*/
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