adamdunkels | a2f3c42 | 2004-09-12 20:24:53 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2004, Adam Dunkels. |
| 3 | * All rights reserved. |
| 4 | * |
| 5 | * Redistribution and use in source and binary forms, with or without |
| 6 | * modification, are permitted provided that the following conditions |
| 7 | * are met: |
| 8 | * 1. Redistributions of source code must retain the above copyright |
| 9 | * notice, this list of conditions and the following disclaimer. |
| 10 | * 2. Redistributions in binary form must reproduce the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer in the |
| 12 | * documentation and/or other materials provided with the distribution. |
| 13 | * 3. Neither the name of the Institute nor the names of its contributors |
| 14 | * may be used to endorse or promote products derived from this software |
| 15 | * without specific prior written permission. |
| 16 | * |
| 17 | * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND |
| 18 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 19 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 20 | * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE |
| 21 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 22 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 23 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 24 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 25 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 26 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 27 | * SUCH DAMAGE. |
| 28 | * |
| 29 | * This file is part of the Contiki operating system. |
| 30 | * |
| 31 | * Author: Adam Dunkels <adam@sics.se> |
| 32 | * |
adamdunkels | d0791bb | 2005-02-22 22:23:07 +0000 | [diff] [blame^] | 33 | * $Id: smtp-socket.c,v 1.3 2005/02/22 22:23:08 adamdunkels Exp $ |
adamdunkels | a2f3c42 | 2004-09-12 20:24:53 +0000 | [diff] [blame] | 34 | */ |
adamdunkels | 15c3a8b | 2004-09-01 20:42:03 +0000 | [diff] [blame] | 35 | #include "smtp.h" |
| 36 | |
| 37 | #include "smtp-strings.h" |
adamdunkels | d0791bb | 2005-02-22 22:23:07 +0000 | [diff] [blame^] | 38 | #include "psock.h" |
adamdunkels | 15c3a8b | 2004-09-01 20:42:03 +0000 | [diff] [blame] | 39 | |
| 40 | #include <string.h> |
| 41 | |
| 42 | struct smtp_state { |
| 43 | |
| 44 | char connected; |
| 45 | |
adamdunkels | d0791bb | 2005-02-22 22:23:07 +0000 | [diff] [blame^] | 46 | struct psock psock; |
adamdunkels | 15c3a8b | 2004-09-01 20:42:03 +0000 | [diff] [blame] | 47 | |
| 48 | char inputbuffer[4]; |
| 49 | |
| 50 | char *to; |
| 51 | char *from; |
| 52 | char *subject; |
| 53 | char *msg; |
| 54 | u16_t msglen; |
| 55 | }; |
| 56 | |
| 57 | static struct smtp_state s; |
| 58 | |
| 59 | static char *localhostname; |
| 60 | static u16_t smtpserver[2]; |
| 61 | |
| 62 | #define ISO_nl 0x0a |
| 63 | #define ISO_cr 0x0d |
| 64 | |
| 65 | #define ISO_period 0x2e |
| 66 | |
| 67 | #define ISO_2 0x32 |
| 68 | #define ISO_3 0x33 |
| 69 | #define ISO_4 0x34 |
| 70 | #define ISO_5 0x35 |
| 71 | |
| 72 | |
adamdunkels | d0791bb | 2005-02-22 22:23:07 +0000 | [diff] [blame^] | 73 | #define SEND_STRING(s, str) PSOCK_SEND(s, str, strlen(str)) |
adamdunkels | 15c3a8b | 2004-09-01 20:42:03 +0000 | [diff] [blame] | 74 | /*---------------------------------------------------------------------------*/ |
| 75 | static |
| 76 | PT_THREAD(smtp_thread(void)) |
| 77 | { |
adamdunkels | d0791bb | 2005-02-22 22:23:07 +0000 | [diff] [blame^] | 78 | PSOCK_BEGIN(&s.psock); |
adamdunkels | 15c3a8b | 2004-09-01 20:42:03 +0000 | [diff] [blame] | 79 | |
adamdunkels | d0791bb | 2005-02-22 22:23:07 +0000 | [diff] [blame^] | 80 | PSOCK_READTO(&s.psock, ISO_nl); |
adamdunkels | 15c3a8b | 2004-09-01 20:42:03 +0000 | [diff] [blame] | 81 | |
| 82 | if(strncmp(s.inputbuffer, smtp_220, 3) != 0) { |
adamdunkels | d0791bb | 2005-02-22 22:23:07 +0000 | [diff] [blame^] | 83 | PSOCK_CLOSE(&s.psock); |
| 84 | PSOCK_EXIT(&s.psock); |
adamdunkels | 15c3a8b | 2004-09-01 20:42:03 +0000 | [diff] [blame] | 85 | } |
| 86 | |
adamdunkels | d0791bb | 2005-02-22 22:23:07 +0000 | [diff] [blame^] | 87 | SEND_STRING(&s.psock, (char *)smtp_helo); |
| 88 | SEND_STRING(&s.psock, localhostname); |
| 89 | SEND_STRING(&s.psock, (char *)smtp_crnl); |
adamdunkels | 15c3a8b | 2004-09-01 20:42:03 +0000 | [diff] [blame] | 90 | |
adamdunkels | d0791bb | 2005-02-22 22:23:07 +0000 | [diff] [blame^] | 91 | PSOCK_READTO(&s.psock, ISO_nl); |
adamdunkels | 15c3a8b | 2004-09-01 20:42:03 +0000 | [diff] [blame] | 92 | |
| 93 | if(s.inputbuffer[0] != ISO_2) { |
adamdunkels | d0791bb | 2005-02-22 22:23:07 +0000 | [diff] [blame^] | 94 | PSOCK_CLOSE(&s.psock); |
| 95 | PSOCK_EXIT(&s.psock); |
adamdunkels | 15c3a8b | 2004-09-01 20:42:03 +0000 | [diff] [blame] | 96 | } |
| 97 | |
adamdunkels | d0791bb | 2005-02-22 22:23:07 +0000 | [diff] [blame^] | 98 | SEND_STRING(&s.psock, (char *)smtp_mail_from); |
| 99 | SEND_STRING(&s.psock, s.from); |
| 100 | SEND_STRING(&s.psock, (char *)smtp_crnl); |
adamdunkels | 15c3a8b | 2004-09-01 20:42:03 +0000 | [diff] [blame] | 101 | |
adamdunkels | d0791bb | 2005-02-22 22:23:07 +0000 | [diff] [blame^] | 102 | PSOCK_READTO(&s.psock, ISO_nl); |
adamdunkels | 15c3a8b | 2004-09-01 20:42:03 +0000 | [diff] [blame] | 103 | |
| 104 | if(s.inputbuffer[0] != ISO_2) { |
adamdunkels | d0791bb | 2005-02-22 22:23:07 +0000 | [diff] [blame^] | 105 | PSOCK_CLOSE(&s.psock); |
| 106 | PSOCK_EXIT(&s.psock); |
adamdunkels | 15c3a8b | 2004-09-01 20:42:03 +0000 | [diff] [blame] | 107 | } |
| 108 | |
adamdunkels | d0791bb | 2005-02-22 22:23:07 +0000 | [diff] [blame^] | 109 | SEND_STRING(&s.psock, (char *)smtp_rcpt_to); |
| 110 | SEND_STRING(&s.psock, s.from); |
| 111 | SEND_STRING(&s.psock, (char *)smtp_crnl); |
adamdunkels | 15c3a8b | 2004-09-01 20:42:03 +0000 | [diff] [blame] | 112 | |
adamdunkels | d0791bb | 2005-02-22 22:23:07 +0000 | [diff] [blame^] | 113 | PSOCK_READTO(&s.psock, ISO_nl); |
adamdunkels | 15c3a8b | 2004-09-01 20:42:03 +0000 | [diff] [blame] | 114 | |
| 115 | if(s.inputbuffer[0] != ISO_2) { |
adamdunkels | d0791bb | 2005-02-22 22:23:07 +0000 | [diff] [blame^] | 116 | PSOCK_CLOSE(&s.psock); |
| 117 | PSOCK_EXIT(&s.psock); |
adamdunkels | 15c3a8b | 2004-09-01 20:42:03 +0000 | [diff] [blame] | 118 | } |
| 119 | |
adamdunkels | d0791bb | 2005-02-22 22:23:07 +0000 | [diff] [blame^] | 120 | SEND_STRING(&s.psock, (char *)smtp_data); |
adamdunkels | 15c3a8b | 2004-09-01 20:42:03 +0000 | [diff] [blame] | 121 | |
adamdunkels | d0791bb | 2005-02-22 22:23:07 +0000 | [diff] [blame^] | 122 | PSOCK_READTO(&s.psock, ISO_nl); |
adamdunkels | 15c3a8b | 2004-09-01 20:42:03 +0000 | [diff] [blame] | 123 | |
| 124 | if(s.inputbuffer[0] != ISO_3) { |
adamdunkels | d0791bb | 2005-02-22 22:23:07 +0000 | [diff] [blame^] | 125 | PSOCK_CLOSE(&s.psock); |
| 126 | PSOCK_EXIT(&s.psock); |
adamdunkels | 15c3a8b | 2004-09-01 20:42:03 +0000 | [diff] [blame] | 127 | } |
| 128 | |
adamdunkels | d0791bb | 2005-02-22 22:23:07 +0000 | [diff] [blame^] | 129 | SEND_STRING(&s.psock, (char *)smtp_to); |
| 130 | SEND_STRING(&s.psock, s.to); |
| 131 | SEND_STRING(&s.psock, (char *)smtp_crnl); |
adamdunkels | 15c3a8b | 2004-09-01 20:42:03 +0000 | [diff] [blame] | 132 | |
adamdunkels | d0791bb | 2005-02-22 22:23:07 +0000 | [diff] [blame^] | 133 | SEND_STRING(&s.psock, (char *)smtp_from); |
| 134 | SEND_STRING(&s.psock, s.from); |
| 135 | SEND_STRING(&s.psock, (char *)smtp_crnl); |
adamdunkels | 15c3a8b | 2004-09-01 20:42:03 +0000 | [diff] [blame] | 136 | |
adamdunkels | d0791bb | 2005-02-22 22:23:07 +0000 | [diff] [blame^] | 137 | SEND_STRING(&s.psock, (char *)smtp_subject); |
| 138 | SEND_STRING(&s.psock, s.subject); |
| 139 | SEND_STRING(&s.psock, (char *)smtp_crnl); |
adamdunkels | 15c3a8b | 2004-09-01 20:42:03 +0000 | [diff] [blame] | 140 | |
adamdunkels | d0791bb | 2005-02-22 22:23:07 +0000 | [diff] [blame^] | 141 | PSOCK_SEND(&s.psock, s.msg, s.msglen); |
adamdunkels | 15c3a8b | 2004-09-01 20:42:03 +0000 | [diff] [blame] | 142 | |
adamdunkels | d0791bb | 2005-02-22 22:23:07 +0000 | [diff] [blame^] | 143 | SEND_STRING(&s.psock, (char *)smtp_crnlperiodcrnl); |
adamdunkels | 15c3a8b | 2004-09-01 20:42:03 +0000 | [diff] [blame] | 144 | |
adamdunkels | d0791bb | 2005-02-22 22:23:07 +0000 | [diff] [blame^] | 145 | PSOCK_READTO(&s.psock, ISO_nl); |
adamdunkels | 15c3a8b | 2004-09-01 20:42:03 +0000 | [diff] [blame] | 146 | if(s.inputbuffer[0] != ISO_2) { |
adamdunkels | d0791bb | 2005-02-22 22:23:07 +0000 | [diff] [blame^] | 147 | PSOCK_CLOSE(&s.psock); |
| 148 | PSOCK_EXIT(&s.psock); |
adamdunkels | 15c3a8b | 2004-09-01 20:42:03 +0000 | [diff] [blame] | 149 | } |
| 150 | |
adamdunkels | d0791bb | 2005-02-22 22:23:07 +0000 | [diff] [blame^] | 151 | SEND_STRING(&s.psock, (char *)smtp_quit); |
adamdunkels | 15c3a8b | 2004-09-01 20:42:03 +0000 | [diff] [blame] | 152 | |
adamdunkels | d0791bb | 2005-02-22 22:23:07 +0000 | [diff] [blame^] | 153 | PSOCK_END(&s.psock); |
adamdunkels | 15c3a8b | 2004-09-01 20:42:03 +0000 | [diff] [blame] | 154 | } |
| 155 | /*---------------------------------------------------------------------------*/ |
| 156 | void |
| 157 | smtp_appcall(void *state) |
| 158 | { |
| 159 | if(uip_closed() || uip_aborted() || uip_timedout()) { |
| 160 | s.connected = 0; |
| 161 | return; |
| 162 | } else { |
| 163 | smtp_thread(); |
| 164 | } |
| 165 | } |
| 166 | /*---------------------------------------------------------------------------*/ |
| 167 | void |
| 168 | smtp_configure(char *lhostname, u16_t *server) |
| 169 | { |
| 170 | localhostname = lhostname; |
| 171 | smtpserver[0] = server[0]; |
| 172 | smtpserver[1] = server[1]; |
| 173 | } |
| 174 | /*---------------------------------------------------------------------------*/ |
| 175 | unsigned char |
| 176 | smtp_send(char *to, char *from, char *subject, |
| 177 | char *msg, u16_t msglen) |
| 178 | { |
| 179 | struct uip_conn *conn; |
| 180 | |
| 181 | conn = tcp_connect(smtpserver, HTONS(25), NULL); |
| 182 | if(conn == NULL) { |
| 183 | return 0; |
| 184 | } |
| 185 | s.connected = 1; |
| 186 | s.to = to; |
| 187 | s.from = from; |
| 188 | s.subject = subject; |
| 189 | s.msg = msg; |
| 190 | s.msglen = msglen; |
| 191 | |
adamdunkels | d0791bb | 2005-02-22 22:23:07 +0000 | [diff] [blame^] | 192 | PSOCK_INIT(&s.psock, s.inputbuffer, sizeof(s.inputbuffer)); |
adamdunkels | 15c3a8b | 2004-09-01 20:42:03 +0000 | [diff] [blame] | 193 | |
| 194 | return 1; |
| 195 | } |
| 196 | /*---------------------------------------------------------------------------*/ |
| 197 | void |
| 198 | smtp_init(void) |
| 199 | { |
| 200 | s.connected = 0; |
| 201 | } |
| 202 | /*---------------------------------------------------------------------------*/ |
| 203 | |