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1 | <?php |
5b8fd093 |
2 | /** |
3 | * Deliver_SMTP.class.php |
4 | * |
5 | * Copyright (c) 1999-2002 The SquirrelMail Project Team |
6 | * Licensed under the GNU GPL. For full terms see the file COPYING. |
7 | * |
8 | * Delivery backend for the Deliver class. |
9 | * |
10 | * $Id$ |
11 | */ |
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12 | |
13 | require_once('Deliver.class.php'); |
14 | |
15 | class Deliver_SMTP extends Deliver { |
16 | |
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17 | function preWriteToStream(&$s) { |
18 | if ($s) { |
19 | if ($s{0} == '.') $s = '.' . $s; |
20 | $s = str_replace("\n.","\n..",$s); |
21 | } |
22 | } |
23 | |
24 | function initStream($message, $domain, $length=0, $host='', $port='', $user='', $pass='', $authpop=false) { |
25 | |
26 | if ($authpop) { |
27 | $this->authPop($host, '', $user, $pass); |
28 | } |
29 | |
30 | $rfc822_header = $message->rfc822_header; |
31 | $from = $rfc822_header->from[0]; |
32 | $to = $rfc822_header->to; |
33 | $cc = $rfc822_header->cc; |
34 | $bcc = $rfc822_header->bcc; |
35 | |
36 | $stream = fsockopen($host, $port, $errorNumber, $errorString); |
37 | if (!$stream) { |
38 | $this->dlv_msg = $errorString; |
39 | $this->dlv_ret_nr = $errorNumber; |
40 | return(0); |
41 | } |
42 | $tmp = fgets($stream, 1024); |
43 | if ($this->errorCheck($tmp, $stream)) { |
44 | return(0); |
45 | } |
46 | |
47 | /* Lets introduce ourselves */ |
48 | if (! isset ($use_authenticated_smtp) |
49 | || $use_authenticated_smtp == false) { |
50 | fputs($stream, "HELO $domain\r\n"); |
51 | $tmp = fgets($stream, 1024); |
52 | if ($this->errorCheck($tmp, $stream)) { |
53 | return(0); |
54 | } |
55 | } else { |
56 | fputs($stream, "EHLO $domain\r\n"); |
57 | $tmp = fgets($stream, 1024); |
58 | if ($this->errorCheck($tmp, $stream)) { |
59 | return(0); |
60 | } |
61 | fputs($stream, "AUTH LOGIN\r\n"); |
62 | $tmp = fgets($stream, 1024); |
63 | |
64 | if ($this->errorCheck($tmp, $stream)) { |
65 | return(0); |
66 | } |
67 | fputs($stream, base64_encode ($user) . "\r\n"); |
68 | $tmp = fgets($stream, 1024); |
69 | if ($this->errorCheck($tmp, $stream)) { |
70 | return(0); |
71 | } |
72 | |
73 | fputs($stream, base64_encode($pass) . "\r\n"); |
74 | $tmp = fgets($stream, 1024); |
75 | if ($this->errorCheck($tmp, $stream)) { |
76 | return(0); |
77 | } |
78 | } |
79 | |
80 | /* Ok, who is sending the message? */ |
81 | fputs($stream, 'MAIL FROM: <'.$from->mailbox.'@'.$from->host.">\r\n"); |
82 | $tmp = fgets($stream, 1024); |
83 | if ($this->errorCheck($tmp, $stream)) { |
84 | return(0); |
85 | } |
86 | |
87 | /* send who the recipients are */ |
88 | for ($i = 0, $cnt = count($to); $i < $cnt; $i++) { |
89 | if (!$to[$i]->host) $to[$i]->host = $domain; |
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90 | if ($to[$i]->mailbox) { |
91 | fputs($stream, 'RCPT TO: <'.$to[$i]->mailbox.'@'.$to[$i]->host.">\r\n"); |
92 | $tmp = fgets($stream, 1024); |
93 | if ($this->errorCheck($tmp, $stream)) { |
94 | return(0); |
95 | } |
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96 | } |
97 | } |
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98 | |
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99 | for ($i = 0, $cnt = count($cc); $i < $cnt; $i++) { |
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100 | if (!$cc[$i]->host) $cc[$i]->host = $domain; |
101 | if ($cc[$i]->mailbox) { |
102 | fputs($stream, 'RCPT TO: <'.$cc[$i]->mailbox.'@'.$cc[$i]->host.">\r\n"); |
103 | $tmp = fgets($stream, 1024); |
104 | if ($this->errorCheck($tmp, $stream)) { |
105 | return(0); |
106 | } |
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107 | } |
108 | } |
109 | for ($i = 0, $cnt = count($bcc); $i < $cnt; $i++) { |
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110 | if (!$bcc[$i]->host) $bcc[$i]->host = $domain; |
111 | if ($bcc[$i]->mailbox) { |
112 | fputs($stream, 'RCPT TO: <'.$bcc[$i]->mailbox.'@'.$bcc[$i]->host.">\r\n"); |
113 | $tmp = fgets($stream, 1024); |
114 | if ($this->errorCheck($tmp, $stream)) { |
115 | return(0); |
116 | } |
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117 | } |
118 | } |
119 | /* Lets start sending the actual message */ |
120 | fputs($stream, "DATA\r\n"); |
121 | $tmp = fgets($stream, 1024); |
122 | if ($this->errorCheck($tmp, $stream)) { |
123 | return(0); |
124 | } |
125 | return $stream; |
126 | } |
127 | |
128 | function finalizeStream($stream) { |
129 | fputs($stream, ".\r\n"); /* end the DATA part */ |
130 | $tmp = fgets($stream, 1024); |
131 | $this->errorCheck($tmp, $stream); |
132 | if ($this->dlv_ret_nr != 250) { |
133 | return(0); |
134 | } |
135 | fputs($stream, "QUIT\r\n"); /* log off */ |
136 | fclose($stream); |
137 | return true; |
138 | } |
139 | |
140 | function errorCheck($line, $smtpConnection) { |
141 | global $color, $compose_new_win; |
142 | |
143 | /* Read new lines on a multiline response */ |
144 | $lines = $line; |
145 | while(ereg("^[0-9]+-", $line)) { |
146 | $line = fgets($smtpConnection, 1024); |
147 | $lines .= $line; |
148 | } |
149 | /* Status: 0 = fatal |
150 | * 5 = ok |
151 | */ |
152 | $err_num = substr($line, 0, strpos($line, " ")); |
153 | switch ($err_num) { |
154 | case 500: $message = 'Syntax error; command not recognized'; |
155 | $status = 0; |
156 | break; |
157 | case 501: $message = 'Syntax error in parameters or arguments'; |
158 | $status = 0; |
159 | break; |
160 | case 502: $message = 'Command not implemented'; |
161 | $status = 0; |
162 | break; |
163 | case 503: $message = 'Bad sequence of commands'; |
164 | $status = 0; |
165 | break; |
166 | case 504: $message = 'Command parameter not implemented'; |
167 | $status = 0; |
168 | break; |
169 | case 211: $message = 'System status, or system help reply'; |
170 | $status = 5; |
171 | break; |
172 | case 214: $message = 'Help message'; |
173 | $status = 5; |
174 | break; |
175 | case 220: $message = 'Service ready'; |
176 | $status = 5; |
177 | break; |
178 | case 221: $message = 'Service closing transmission channel'; |
179 | $status = 5; |
180 | break; |
181 | case 421: $message = 'Service not available, closing chanel'; |
182 | $status = 0; |
183 | break; |
184 | case 235: return(5); |
185 | break; |
186 | case 250: $message = 'Requested mail action okay, completed'; |
187 | $status = 5; |
188 | break; |
189 | case 251: $message = 'User not local; will forward'; |
190 | $status = 5; |
191 | break; |
192 | case 334: return(5); break; |
193 | case 450: $message = 'Requested mail action not taken: mailbox unavailable'; |
194 | $status = 0; |
195 | break; |
196 | case 550: $message = 'Requested action not taken: mailbox unavailable'; |
197 | $status = 0; |
198 | break; |
199 | case 451: $message = 'Requested action aborted: error in processing'; |
200 | $status = 0; |
201 | break; |
202 | case 551: $message = 'User not local; please try forwarding'; |
203 | $status = 0; |
204 | break; |
205 | case 452: $message = 'Requested action not taken: insufficient system storage'; |
206 | $status = 0; |
207 | break; |
208 | case 552: $message = 'Requested mail action aborted: exceeding storage allocation'; |
209 | $status = 0; |
210 | break; |
211 | case 553: $message = 'Requested action not taken: mailbox name not allowed'; |
212 | $status = 0; |
213 | break; |
214 | case 354: $message = 'Start mail input; end with .'; |
215 | $status = 5; |
216 | break; |
217 | case 554: $message = 'Transaction failed'; |
218 | $status = 0; |
219 | break; |
220 | /* RFC 2554 */ |
221 | case 432: $message = 'A password transition is needed'; |
222 | $status = 0; |
223 | break; |
224 | case 534: $message = 'Authentication mechanism is too weak'; |
225 | $status = 0; |
226 | break; |
227 | case 538: $message = 'Encryption required for requested authentication mechanism'; |
228 | $status = 0; |
229 | break; |
230 | case 454: $message = 'Temmporary authentication failure'; |
231 | $status = 0; |
232 | break; |
233 | case 530: $message = 'Authentication required'; |
234 | $status = 0; |
235 | break; |
236 | /* end RFC2554 */ |
237 | default: $message = 'Unknown response: '. nl2br(htmlspecialchars($lines)); |
238 | $status = 0; |
239 | $err_num = '001'; |
240 | break; |
241 | } |
242 | $this->dlv_ret_nr = $err_num; |
243 | $this->dlv_msg = $message; |
244 | if ($status == 5) { |
245 | return false; |
246 | } |
247 | return true; |
248 | } |
249 | |
250 | function authPop($pop_server='', $pop_port='', $user, $pass) { |
251 | if (!$pop_port) { |
252 | $pop_port = 110; |
253 | } |
254 | if (!$pop_server) { |
255 | $pop_server = 'localhost'; |
256 | } |
257 | $popConnection = fsockopen($pop_server, $pop_port, $err_no, $err_str); |
258 | if (!$popConnection) { |
259 | error_log("Error connecting to POP Server ($pop_server:$pop_port)" |
260 | . " $err_no : $err_str"); |
261 | } else { |
262 | $tmp = fgets($popConnection, 1024); /* banner */ |
263 | if (!eregi("^\+OK", $tmp, $regs)) { |
264 | return(0); |
265 | } |
266 | fputs($popConnection, "USER $user\r\n"); |
267 | $tmp = fgets($popConnection, 1024); |
268 | if (!eregi("^\+OK", $tmp, $regs)) { |
269 | return(0); |
270 | } |
271 | fputs($popConnection, 'PASS ' . $pass . "\r\n"); |
272 | $tmp = fgets($popConnection, 1024); |
273 | if (!eregi("^\+OK", $tmp, $regs)) { |
274 | return(0); |
275 | } |
276 | fputs($popConnection, "QUIT\r\n"); /* log off */ |
277 | fclose($popConnection); |
278 | } |
279 | } |
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280 | } |
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281 | |
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282 | ?> |