Mercurial > hg > nginx
annotate src/mail/ngx_mail_handler.c @ 1480:a231e37a19ab
move event handling to protocol specific code,
it is required to support SMTP greeting delay
author | Igor Sysoev <igor@sysoev.ru> |
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date | Fri, 14 Sep 2007 10:42:19 +0000 |
parents | 2647950e047f |
children | 4606dce4f416 |
rev | line source |
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
441
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4 */ |
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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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9 #include <ngx_event.h> |
1136 | 10 #include <ngx_mail.h> |
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11 |
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12 |
1136 | 13 static void ngx_mail_init_session(ngx_connection_t *c); |
413
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14 |
1136 | 15 #if (NGX_MAIL_SSL) |
16 static void ngx_mail_ssl_init_connection(ngx_ssl_t *ssl, ngx_connection_t *c); | |
17 static void ngx_mail_ssl_handshake_handler(ngx_connection_t *c); | |
539 | 18 #endif |
19 | |
413
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20 |
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21 static ngx_mail_init_session_pt ngx_mail_init_sessions[] = { |
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22 ngx_mail_pop3_init_session, |
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23 ngx_mail_imap_init_session, |
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24 ngx_mail_smtp_init_session |
521 | 25 }; |
26 | |
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27 |
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28 static ngx_mail_init_protocol_pt ngx_mail_init_protocols[] = { |
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29 ngx_mail_pop3_init_protocol, |
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30 ngx_mail_imap_init_protocol, |
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31 ngx_mail_smtp_init_protocol |
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32 }; |
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33 |
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34 |
1477 | 35 static ngx_mail_parse_command_pt ngx_mail_parse_commands[] = { |
36 ngx_mail_pop3_parse_command, | |
37 ngx_mail_imap_parse_command, | |
38 ngx_mail_smtp_parse_command | |
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39 }; |
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40 |
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41 |
525 | 42 static ngx_str_t internal_server_errors[] = { |
43 ngx_string("-ERR internal server error" CRLF), | |
44 ngx_string("* BAD internal server error" CRLF), | |
1136 | 45 ngx_string("451 4.3.2 Internal server error" CRLF), |
525 | 46 }; |
47 | |
521 | 48 |
49 void | |
1136 | 50 ngx_mail_init_connection(ngx_connection_t *c) |
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51 { |
641 | 52 in_addr_t in_addr; |
53 socklen_t len; | |
54 ngx_uint_t i; | |
55 struct sockaddr_in sin; | |
1136 | 56 ngx_mail_log_ctx_t *ctx; |
57 ngx_mail_in_port_t *imip; | |
58 ngx_mail_in_addr_t *imia; | |
59 ngx_mail_session_t *s; | |
60 #if (NGX_MAIL_SSL) | |
61 ngx_mail_ssl_conf_t *sslcf; | |
543 | 62 #endif |
541 | 63 |
641 | 64 |
65 /* find the server configuration for the address:port */ | |
66 | |
67 /* AF_INET only */ | |
68 | |
69 imip = c->listening->servers; | |
70 imia = imip->addrs; | |
71 | |
72 i = 0; | |
73 | |
74 if (imip->naddrs > 1) { | |
75 | |
76 /* | |
77 * There are several addresses on this port and one of them | |
78 * is the "*:port" wildcard so getsockname() is needed to determine | |
79 * the server address. | |
80 * | |
81 * AcceptEx() already gave this address. | |
82 */ | |
83 | |
84 #if (NGX_WIN32) | |
85 if (c->local_sockaddr) { | |
86 in_addr = | |
87 ((struct sockaddr_in *) c->local_sockaddr)->sin_addr.s_addr; | |
541 | 88 |
641 | 89 } else |
90 #endif | |
91 { | |
92 len = sizeof(struct sockaddr_in); | |
93 if (getsockname(c->fd, (struct sockaddr *) &sin, &len) == -1) { | |
94 ngx_connection_error(c, ngx_socket_errno, | |
95 "getsockname() failed"); | |
1136 | 96 ngx_mail_close_connection(c); |
641 | 97 return; |
98 } | |
99 | |
100 in_addr = sin.sin_addr.s_addr; | |
101 } | |
102 | |
103 /* the last address is "*" */ | |
104 | |
105 for ( /* void */ ; i < imip->naddrs - 1; i++) { | |
106 if (in_addr == imia[i].addr) { | |
107 break; | |
108 } | |
109 } | |
110 } | |
111 | |
112 | |
1136 | 113 s = ngx_pcalloc(c->pool, sizeof(ngx_mail_session_t)); |
641 | 114 if (s == NULL) { |
1136 | 115 ngx_mail_close_connection(c); |
541 | 116 return; |
577 | 117 } |
541 | 118 |
641 | 119 s->main_conf = imia[i].ctx->main_conf; |
120 s->srv_conf = imia[i].ctx->srv_conf; | |
121 | |
122 s->addr_text = &imia[i].addr_text; | |
123 | |
124 c->data = s; | |
125 s->connection = c; | |
126 | |
127 ngx_log_error(NGX_LOG_INFO, c->log, 0, "*%ui client %V connected to %V", | |
128 c->number, &c->addr_text, s->addr_text); | |
129 | |
1136 | 130 ctx = ngx_palloc(c->pool, sizeof(ngx_mail_log_ctx_t)); |
641 | 131 if (ctx == NULL) { |
1136 | 132 ngx_mail_close_connection(c); |
641 | 133 return; |
134 } | |
135 | |
136 ctx->client = &c->addr_text; | |
137 ctx->session = s; | |
541 | 138 |
139 c->log->connection = c->number; | |
1136 | 140 c->log->handler = ngx_mail_log_error; |
641 | 141 c->log->data = ctx; |
541 | 142 c->log->action = "sending client greeting line"; |
143 | |
144 c->log_error = NGX_ERROR_INFO; | |
145 | |
1136 | 146 #if (NGX_MAIL_SSL) |
543 | 147 |
1136 | 148 sslcf = ngx_mail_get_module_srv_conf(s, ngx_mail_ssl_module); |
543 | 149 |
150 if (sslcf->enable) { | |
1136 | 151 ngx_mail_ssl_init_connection(&sslcf->ssl, c); |
547 | 152 return; |
543 | 153 } |
154 | |
155 #endif | |
156 | |
1136 | 157 ngx_mail_init_session(c); |
541 | 158 } |
159 | |
160 | |
1136 | 161 #if (NGX_MAIL_SSL) |
547 | 162 |
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163 void |
1136 | 164 ngx_mail_starttls_handler(ngx_event_t *rev) |
583 | 165 { |
166 ngx_connection_t *c; | |
1136 | 167 ngx_mail_session_t *s; |
168 ngx_mail_ssl_conf_t *sslcf; | |
583 | 169 |
170 c = rev->data; | |
171 s = c->data; | |
641 | 172 s->starttls = 1; |
583 | 173 |
174 c->log->action = "in starttls state"; | |
175 | |
1136 | 176 sslcf = ngx_mail_get_module_srv_conf(s, ngx_mail_ssl_module); |
583 | 177 |
1136 | 178 ngx_mail_ssl_init_connection(&sslcf->ssl, c); |
583 | 179 } |
180 | |
181 | |
182 static void | |
1136 | 183 ngx_mail_ssl_init_connection(ngx_ssl_t *ssl, ngx_connection_t *c) |
583 | 184 { |
1136 | 185 ngx_mail_session_t *s; |
186 ngx_mail_core_srv_conf_t *cscf; | |
583 | 187 |
188 if (ngx_ssl_create_connection(ssl, c, 0) == NGX_ERROR) { | |
1136 | 189 ngx_mail_close_connection(c); |
583 | 190 return; |
191 } | |
192 | |
193 if (ngx_ssl_handshake(c) == NGX_AGAIN) { | |
194 | |
641 | 195 s = c->data; |
196 | |
1136 | 197 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
583 | 198 |
199 ngx_add_timer(c->read, cscf->timeout); | |
200 | |
1136 | 201 c->ssl->handler = ngx_mail_ssl_handshake_handler; |
583 | 202 |
203 return; | |
204 } | |
205 | |
1136 | 206 ngx_mail_ssl_handshake_handler(c); |
583 | 207 } |
208 | |
209 | |
210 static void | |
1136 | 211 ngx_mail_ssl_handshake_handler(ngx_connection_t *c) |
577 | 212 { |
1136 | 213 ngx_mail_session_t *s; |
641 | 214 |
547 | 215 if (c->ssl->handshaked) { |
583 | 216 |
641 | 217 s = c->data; |
218 | |
219 if (s->starttls) { | |
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220 c->read->handler = ngx_mail_init_protocols[s->protocol]; |
1136 | 221 c->write->handler = ngx_mail_send; |
583 | 222 |
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223 ngx_mail_init_protocols[s->protocol](c->read); |
583 | 224 |
225 return; | |
226 } | |
227 | |
1136 | 228 ngx_mail_init_session(c); |
547 | 229 return; |
230 } | |
231 | |
1136 | 232 ngx_mail_close_connection(c); |
547 | 233 } |
234 | |
235 #endif | |
236 | |
237 | |
238 static void | |
1136 | 239 ngx_mail_init_session(ngx_connection_t *c) |
541 | 240 { |
1136 | 241 ngx_mail_session_t *s; |
242 ngx_mail_core_srv_conf_t *cscf; | |
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243 |
641 | 244 s = c->data; |
413
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245 |
1136 | 246 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
539 | 247 |
248 s->protocol = cscf->protocol; | |
249 | |
1136 | 250 s->ctx = ngx_pcalloc(c->pool, sizeof(void *) * ngx_mail_max_module); |
539 | 251 if (s->ctx == NULL) { |
1136 | 252 ngx_mail_session_internal_server_error(s); |
539 | 253 return; |
254 } | |
255 | |
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256 c->write->handler = ngx_mail_send; |
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257 |
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258 ngx_mail_init_sessions[s->protocol](s, c); |
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259 } |
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260 |
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261 |
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262 ngx_int_t |
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263 ngx_mail_salt(ngx_mail_session_t *s, ngx_connection_t *c, |
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264 ngx_mail_core_srv_conf_t *cscf) |
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265 { |
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266 s->salt.data = ngx_palloc(c->pool, |
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267 sizeof(" <18446744073709551616.@>" CRLF) - 1 |
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268 + NGX_TIME_T_LEN |
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269 + cscf->server_name.len); |
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270 if (s->salt.data == NULL) { |
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271 return NGX_ERROR; |
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272 } |
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273 |
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274 s->salt.len = ngx_sprintf(s->salt.data, "<%ul.%T@%V>" CRLF, |
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275 ngx_random(), ngx_time(), &cscf->server_name) |
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276 - s->salt.data; |
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277 |
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278 return NGX_OK; |
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279 } |
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280 |
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281 |
1479 | 282 #if (NGX_MAIL_SSL) |
283 | |
284 ngx_int_t | |
285 ngx_mail_starttls_only(ngx_mail_session_t *s, ngx_connection_t *c) | |
286 { | |
287 ngx_mail_ssl_conf_t *sslcf; | |
288 | |
289 if (c->ssl) { | |
290 return 0; | |
291 } | |
292 | |
293 sslcf = ngx_mail_get_module_srv_conf(s, ngx_mail_ssl_module); | |
294 | |
295 if (sslcf->starttls == NGX_MAIL_STARTTLS_ONLY) { | |
296 return 1; | |
297 } | |
298 | |
299 return 0; | |
300 } | |
301 | |
302 #endif | |
303 | |
304 | |
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305 ngx_int_t |
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306 ngx_mail_auth_plain(ngx_mail_session_t *s, ngx_connection_t *c, ngx_uint_t n) |
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307 { |
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308 u_char *p, *last; |
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309 ngx_str_t *arg, plain; |
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310 |
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311 arg = s->args.elts; |
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312 |
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313 #if (NGX_DEBUG_MAIL_PASSWD) |
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314 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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315 "mail auth plain: \"%V\"", &arg[n]); |
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316 #endif |
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317 |
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318 plain.data = ngx_palloc(c->pool, ngx_base64_decoded_length(arg[n].len)); |
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319 if (plain.data == NULL){ |
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320 return NGX_ERROR; |
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321 } |
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322 |
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323 if (ngx_decode_base64(&plain, &arg[0]) != NGX_OK) { |
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324 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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325 "client sent invalid base64 encoding in AUTH PLAIN command"); |
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326 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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327 } |
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328 |
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329 p = plain.data; |
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330 last = p + plain.len; |
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331 |
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332 while (p < last && *p++) { /* void */ } |
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333 |
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334 if (p == last) { |
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335 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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336 "client sent invalid login in AUTH PLAIN command"); |
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337 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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338 } |
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339 |
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340 s->login.data = p; |
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341 |
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342 while (p < last && *p) { p++; } |
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343 |
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344 if (p == last) { |
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345 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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346 "client sent invalid password in AUTH PLAIN command"); |
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347 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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348 } |
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349 |
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350 s->login.len = p++ - s->login.data; |
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351 |
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352 s->passwd.len = last - p; |
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353 s->passwd.data = p; |
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354 |
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355 #if (NGX_DEBUG_MAIL_PASSWD) |
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356 ngx_log_debug2(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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357 "mail auth plain: \"%V\" \"%V\"", &s->login, &s->passwd); |
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358 #endif |
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359 |
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360 return NGX_DONE; |
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361 } |
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362 |
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363 |
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364 ngx_int_t |
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365 ngx_mail_auth_login_username(ngx_mail_session_t *s, ngx_connection_t *c) |
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366 { |
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367 ngx_str_t *arg; |
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368 |
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369 arg = s->args.elts; |
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370 |
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371 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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372 "mail auth login username: \"%V\"", &arg[0]); |
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373 |
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374 s->login.data = ngx_palloc(c->pool, ngx_base64_decoded_length(arg[0].len)); |
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375 if (s->login.data == NULL){ |
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376 return NGX_ERROR; |
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377 } |
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378 |
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379 if (ngx_decode_base64(&s->login, &arg[0]) != NGX_OK) { |
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380 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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381 "client sent invalid base64 encoding in AUTH LOGIN command"); |
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382 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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383 } |
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384 |
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385 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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386 "mail auth login username: \"%V\"", &s->login); |
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387 |
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388 return NGX_OK; |
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389 } |
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390 |
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391 |
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392 ngx_int_t |
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393 ngx_mail_auth_login_password(ngx_mail_session_t *s, ngx_connection_t *c) |
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394 { |
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395 ngx_str_t *arg; |
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396 |
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397 arg = s->args.elts; |
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398 |
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399 #if (NGX_DEBUG_MAIL_PASSWD) |
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400 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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401 "mail auth login password: \"%V\"", &arg[0]); |
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402 #endif |
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403 |
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404 s->passwd.data = ngx_palloc(c->pool, ngx_base64_decoded_length(arg[0].len)); |
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405 if (s->passwd.data == NULL){ |
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406 return NGX_ERROR; |
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407 } |
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408 |
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409 if (ngx_decode_base64(&s->passwd, &arg[0]) != NGX_OK) { |
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410 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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411 "client sent invalid base64 encoding in AUTH LOGIN command"); |
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412 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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413 } |
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414 |
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415 #if (NGX_DEBUG_MAIL_PASSWD) |
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416 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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417 "mail auth login password: \"%V\"", &s->passwd); |
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418 #endif |
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419 |
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420 return NGX_DONE; |
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421 } |
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422 |
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423 |
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424 ngx_int_t |
1479 | 425 ngx_mail_auth_cram_md5_salt(ngx_mail_session_t *s, ngx_connection_t *c, |
426 char *prefix, size_t len) | |
427 { | |
428 u_char *p; | |
429 ngx_str_t salt; | |
430 ngx_uint_t n; | |
431 | |
432 p = ngx_palloc(c->pool, len + ngx_base64_encoded_length(s->salt.len) + 2); | |
433 if (p == NULL) { | |
434 return NGX_ERROR; | |
435 } | |
436 | |
437 salt.data = ngx_cpymem(p, prefix, len); | |
438 s->salt.len -= 2; | |
439 | |
440 ngx_encode_base64(&salt, &s->salt); | |
441 | |
442 s->salt.len += 2; | |
443 n = len + salt.len; | |
444 p[n++] = CR; p[n++] = LF; | |
445 | |
446 s->out.len = n; | |
447 s->out.data = p; | |
448 | |
449 return NGX_OK; | |
450 } | |
451 | |
452 | |
453 ngx_int_t | |
1476
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|
454 ngx_mail_auth_cram_md5(ngx_mail_session_t *s, ngx_connection_t *c) |
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|
455 { |
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|
456 u_char *p, *last; |
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457 ngx_str_t *arg; |
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|
458 |
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|
459 arg = s->args.elts; |
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|
460 |
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|
461 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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|
462 "mail auth cram-md5: \"%V\"", &arg[0]); |
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|
463 |
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|
464 s->login.data = ngx_palloc(c->pool, ngx_base64_decoded_length(arg[0].len)); |
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|
465 if (s->login.data == NULL){ |
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|
466 return NGX_ERROR; |
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|
467 } |
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|
468 |
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|
469 if (ngx_decode_base64(&s->login, &arg[0]) != NGX_OK) { |
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|
470 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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changeset
|
471 "client sent invalid base64 encoding in AUTH CRAM-MD5 command"); |
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472 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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|
473 } |
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changeset
|
474 |
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|
475 p = s->login.data; |
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changeset
|
476 last = p + s->login.len; |
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changeset
|
477 |
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changeset
|
478 while (p < last) { |
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changeset
|
479 if (*p++ == ' ') { |
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changeset
|
480 s->login.len = p - s->login.data - 1; |
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diff
changeset
|
481 s->passwd.len = last - p; |
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changeset
|
482 s->passwd.data = p; |
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changeset
|
483 break; |
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parents:
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diff
changeset
|
484 } |
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parents:
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diff
changeset
|
485 } |
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parents:
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diff
changeset
|
486 |
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parents:
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diff
changeset
|
487 if (s->passwd.len != 32) { |
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parents:
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diff
changeset
|
488 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
67578e966dcc
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parents:
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diff
changeset
|
489 "client sent invalid CRAM-MD5 hash in AUTH CRAM-MD5 command"); |
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parents:
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diff
changeset
|
490 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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parents:
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diff
changeset
|
491 } |
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parents:
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diff
changeset
|
492 |
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diff
changeset
|
493 ngx_log_debug2(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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parents:
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diff
changeset
|
494 "mail auth cram-md5: \"%V\" \"%V\"", &s->login, &s->passwd); |
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parents:
1472
diff
changeset
|
495 |
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parents:
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diff
changeset
|
496 s->auth_method = NGX_MAIL_AUTH_CRAM_MD5; |
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diff
changeset
|
497 |
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diff
changeset
|
498 return NGX_DONE; |
539 | 499 } |
500 | |
501 | |
502 void | |
1136 | 503 ngx_mail_send(ngx_event_t *wev) |
539 | 504 { |
541 | 505 ngx_int_t n; |
506 ngx_connection_t *c; | |
1136 | 507 ngx_mail_session_t *s; |
508 ngx_mail_core_srv_conf_t *cscf; | |
539 | 509 |
510 c = wev->data; | |
511 s = c->data; | |
512 | |
513 if (wev->timedout) { | |
514 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out"); | |
577 | 515 c->timedout = 1; |
1136 | 516 ngx_mail_close_connection(c); |
539 | 517 return; |
518 } | |
519 | |
520 if (s->out.len == 0) { | |
521 if (ngx_handle_write_event(c->write, 0) == NGX_ERROR) { | |
1136 | 522 ngx_mail_close_connection(c); |
539 | 523 } |
524 | |
525 return; | |
526 } | |
527 | |
528 n = c->send(c, s->out.data, s->out.len); | |
529 | |
530 if (n > 0) { | |
531 s->out.len -= n; | |
532 | |
541 | 533 if (wev->timer_set) { |
534 ngx_del_timer(wev); | |
535 } | |
536 | |
539 | 537 if (s->quit) { |
1136 | 538 ngx_mail_close_connection(c); |
539 | 539 return; |
540 } | |
541 | |
542 if (s->blocked) { | |
543 c->read->handler(c->read); | |
544 } | |
545 | |
546 return; | |
547 } | |
548 | |
549 if (n == NGX_ERROR) { | |
1136 | 550 ngx_mail_close_connection(c); |
539 | 551 return; |
552 } | |
553 | |
554 /* n == NGX_AGAIN */ | |
555 | |
1136 | 556 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
541 | 557 |
558 ngx_add_timer(c->write, cscf->timeout); | |
559 | |
539 | 560 if (ngx_handle_write_event(c->write, 0) == NGX_ERROR) { |
1136 | 561 ngx_mail_close_connection(c); |
539 | 562 return; |
563 } | |
413
de9d4726e28a
nginx-0.0.10-2004-08-31-23:05:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
564 } |
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
565 |
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
566 |
1476
67578e966dcc
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Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
567 ngx_int_t |
1136 | 568 ngx_mail_read_command(ngx_mail_session_t *s) |
420
33a8253115b4
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Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
569 { |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
570 ssize_t n; |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
571 ngx_int_t rc; |
1108
109e8c7d7cc1
return error for too long commands
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parents:
1107
diff
changeset
|
572 ngx_str_t l; |
420
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
573 |
539 | 574 n = s->connection->recv(s->connection, s->buffer->last, |
575 s->buffer->end - s->buffer->last); | |
420
33a8253115b4
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Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
576 |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
577 if (n == NGX_ERROR || n == 0) { |
1136 | 578 ngx_mail_close_connection(s->connection); |
420
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
579 return NGX_ERROR; |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
580 } |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
581 |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
582 if (n > 0) { |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
583 s->buffer->last += n; |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
584 } |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
585 |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
586 if (n == NGX_AGAIN) { |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
587 if (ngx_handle_read_event(s->connection->read, 0) == NGX_ERROR) { |
1136 | 588 ngx_mail_session_internal_server_error(s); |
420
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
589 return NGX_ERROR; |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
590 } |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
591 |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
592 return NGX_AGAIN; |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
593 } |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
594 |
1477 | 595 rc = ngx_mail_parse_commands[s->protocol](s); |
420
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
596 |
1108
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
597 if (rc == NGX_AGAIN) { |
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
598 |
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
599 if (s->buffer->last < s->buffer->end) { |
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
600 return rc; |
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
601 } |
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
602 |
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
603 l.len = s->buffer->last - s->buffer->start; |
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
604 l.data = s->buffer->start; |
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
605 |
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
606 ngx_log_error(NGX_LOG_INFO, s->connection->log, 0, |
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
607 "client sent too long command \"%V\"", &l); |
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
608 |
1111
b0fc4af1f196
close connection for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1108
diff
changeset
|
609 s->quit = 1; |
b0fc4af1f196
close connection for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1108
diff
changeset
|
610 |
1136 | 611 return NGX_MAIL_PARSE_INVALID_COMMAND; |
1108
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
612 } |
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
613 |
1136 | 614 if (rc == NGX_IMAP_NEXT || rc == NGX_MAIL_PARSE_INVALID_COMMAND) { |
420
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
615 return rc; |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
616 } |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
617 |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
618 if (rc == NGX_ERROR) { |
1136 | 619 ngx_mail_close_connection(s->connection); |
420
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
620 return NGX_ERROR; |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
621 } |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
622 |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
623 return NGX_OK; |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
624 } |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
625 |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
626 |
521 | 627 void |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
628 ngx_mail_auth(ngx_mail_session_t *s) |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
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629 { |
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630 s->args.nelts = 0; |
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631 s->buffer->pos = s->buffer->start; |
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632 s->buffer->last = s->buffer->start; |
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633 s->state = 0; |
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634 |
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635 if (s->connection->read->timer_set) { |
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636 ngx_del_timer(s->connection->read); |
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637 } |
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638 |
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639 s->login_attempt++; |
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640 |
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641 ngx_mail_auth_http_init(s); |
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642 } |
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643 |
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644 |
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645 void |
1136 | 646 ngx_mail_session_internal_server_error(ngx_mail_session_t *s) |
525 | 647 { |
539 | 648 s->out = internal_server_errors[s->protocol]; |
649 s->quit = 1; | |
525 | 650 |
1136 | 651 ngx_mail_send(s->connection->write); |
525 | 652 } |
653 | |
654 | |
655 void | |
1136 | 656 ngx_mail_close_connection(ngx_connection_t *c) |
417
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657 { |
479 | 658 ngx_pool_t *pool; |
659 | |
1136 | 660 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
661 "close mail connection: %d", c->fd); | |
417
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662 |
1136 | 663 #if (NGX_MAIL_SSL) |
539 | 664 |
665 if (c->ssl) { | |
666 if (ngx_ssl_shutdown(c) == NGX_AGAIN) { | |
1136 | 667 c->ssl->handler = ngx_mail_close_connection; |
539 | 668 return; |
669 } | |
670 } | |
671 | |
672 #endif | |
673 | |
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674 #if (NGX_STAT_STUB) |
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675 ngx_atomic_fetch_add(ngx_stat_active, -1); |
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676 #endif |
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677 |
583 | 678 c->destroyed = 1; |
543 | 679 |
479 | 680 pool = c->pool; |
681 | |
417
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682 ngx_close_connection(c); |
479 | 683 |
501 | 684 ngx_destroy_pool(pool); |
417
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685 } |
539 | 686 |
687 | |
1476
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688 u_char * |
1136 | 689 ngx_mail_log_error(ngx_log_t *log, u_char *buf, size_t len) |
541 | 690 { |
567 | 691 u_char *p; |
1136 | 692 ngx_mail_session_t *s; |
693 ngx_mail_log_ctx_t *ctx; | |
541 | 694 |
695 if (log->action) { | |
696 p = ngx_snprintf(buf, len, " while %s", log->action); | |
697 len -= p - buf; | |
698 buf = p; | |
699 } | |
577 | 700 |
541 | 701 ctx = log->data; |
702 | |
703 p = ngx_snprintf(buf, len, ", client: %V", ctx->client); | |
704 len -= p - buf; | |
705 buf = p; | |
706 | |
707 s = ctx->session; | |
708 | |
709 if (s == NULL) { | |
710 return p; | |
711 } | |
712 | |
641 | 713 p = ngx_snprintf(buf, len, ", server: %V", s->addr_text); |
541 | 714 len -= p - buf; |
715 buf = p; | |
716 | |
717 if (s->login.len == 0) { | |
718 return p; | |
719 } | |
720 | |
721 p = ngx_snprintf(buf, len, ", login: \"%V\"", &s->login); | |
722 len -= p - buf; | |
723 buf = p; | |
724 | |
725 if (s->proxy == NULL) { | |
726 return p; | |
727 } | |
728 | |
884 | 729 p = ngx_snprintf(buf, len, ", upstream: %V", s->proxy->upstream.name); |
541 | 730 |
731 return p; | |
732 } |