Mercurial > hg > nginx
annotate src/mail/ngx_mail_handler.c @ 1479:2647950e047f
optimizations
author | Igor Sysoev <igor@sysoev.ru> |
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date | Thu, 13 Sep 2007 21:24:27 +0000 |
parents | 59e1caf2be94 |
children | a231e37a19ab |
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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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; |
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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 | |
547 | 256 ngx_add_timer(c->read, cscf->timeout); |
419
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257 |
547 | 258 if (ngx_handle_read_event(c->read, 0) == NGX_ERROR) { |
1136 | 259 ngx_mail_close_connection(c); |
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260 } |
539 | 261 |
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262 c->write->handler = ngx_mail_send; |
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263 |
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264 ngx_mail_init_sessions[s->protocol](s, c); |
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265 } |
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266 |
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267 |
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268 ngx_int_t |
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269 ngx_mail_salt(ngx_mail_session_t *s, ngx_connection_t *c, |
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270 ngx_mail_core_srv_conf_t *cscf) |
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271 { |
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272 s->salt.data = ngx_palloc(c->pool, |
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273 sizeof(" <18446744073709551616.@>" CRLF) - 1 |
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274 + NGX_TIME_T_LEN |
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275 + cscf->server_name.len); |
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276 if (s->salt.data == NULL) { |
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277 return NGX_ERROR; |
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278 } |
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279 |
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280 s->salt.len = ngx_sprintf(s->salt.data, "<%ul.%T@%V>" CRLF, |
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281 ngx_random(), ngx_time(), &cscf->server_name) |
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282 - s->salt.data; |
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283 |
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284 return NGX_OK; |
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285 } |
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286 |
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287 |
1479 | 288 #if (NGX_MAIL_SSL) |
289 | |
290 ngx_int_t | |
291 ngx_mail_starttls_only(ngx_mail_session_t *s, ngx_connection_t *c) | |
292 { | |
293 ngx_mail_ssl_conf_t *sslcf; | |
294 | |
295 if (c->ssl) { | |
296 return 0; | |
297 } | |
298 | |
299 sslcf = ngx_mail_get_module_srv_conf(s, ngx_mail_ssl_module); | |
300 | |
301 if (sslcf->starttls == NGX_MAIL_STARTTLS_ONLY) { | |
302 return 1; | |
303 } | |
304 | |
305 return 0; | |
306 } | |
307 | |
308 #endif | |
309 | |
310 | |
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311 ngx_int_t |
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312 ngx_mail_auth_plain(ngx_mail_session_t *s, ngx_connection_t *c, ngx_uint_t n) |
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313 { |
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314 u_char *p, *last; |
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315 ngx_str_t *arg, plain; |
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316 |
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317 arg = s->args.elts; |
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318 |
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319 #if (NGX_DEBUG_MAIL_PASSWD) |
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320 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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321 "mail auth plain: \"%V\"", &arg[n]); |
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322 #endif |
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323 |
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324 plain.data = ngx_palloc(c->pool, ngx_base64_decoded_length(arg[n].len)); |
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325 if (plain.data == NULL){ |
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326 return NGX_ERROR; |
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327 } |
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328 |
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329 if (ngx_decode_base64(&plain, &arg[0]) != NGX_OK) { |
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330 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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331 "client sent invalid base64 encoding in AUTH PLAIN command"); |
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332 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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333 } |
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334 |
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335 p = plain.data; |
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336 last = p + plain.len; |
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337 |
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338 while (p < last && *p++) { /* void */ } |
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339 |
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340 if (p == last) { |
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341 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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342 "client sent invalid login in AUTH PLAIN command"); |
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343 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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344 } |
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345 |
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346 s->login.data = p; |
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347 |
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348 while (p < last && *p) { p++; } |
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349 |
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350 if (p == last) { |
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351 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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352 "client sent invalid password in AUTH PLAIN command"); |
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353 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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354 } |
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355 |
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356 s->login.len = p++ - s->login.data; |
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357 |
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358 s->passwd.len = last - p; |
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359 s->passwd.data = p; |
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360 |
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361 #if (NGX_DEBUG_MAIL_PASSWD) |
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362 ngx_log_debug2(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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363 "mail auth plain: \"%V\" \"%V\"", &s->login, &s->passwd); |
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364 #endif |
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365 |
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366 return NGX_DONE; |
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367 } |
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368 |
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369 |
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370 ngx_int_t |
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371 ngx_mail_auth_login_username(ngx_mail_session_t *s, ngx_connection_t *c) |
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372 { |
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373 ngx_str_t *arg; |
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374 |
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375 arg = s->args.elts; |
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376 |
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377 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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378 "mail auth login username: \"%V\"", &arg[0]); |
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379 |
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380 s->login.data = ngx_palloc(c->pool, ngx_base64_decoded_length(arg[0].len)); |
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381 if (s->login.data == NULL){ |
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382 return NGX_ERROR; |
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383 } |
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384 |
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385 if (ngx_decode_base64(&s->login, &arg[0]) != NGX_OK) { |
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386 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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387 "client sent invalid base64 encoding in AUTH LOGIN command"); |
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388 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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389 } |
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390 |
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391 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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392 "mail auth login username: \"%V\"", &s->login); |
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393 |
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394 return NGX_OK; |
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395 } |
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396 |
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397 |
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398 ngx_int_t |
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399 ngx_mail_auth_login_password(ngx_mail_session_t *s, ngx_connection_t *c) |
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400 { |
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401 ngx_str_t *arg; |
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402 |
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403 arg = s->args.elts; |
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404 |
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405 #if (NGX_DEBUG_MAIL_PASSWD) |
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406 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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407 "mail auth login password: \"%V\"", &arg[0]); |
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408 #endif |
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409 |
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410 s->passwd.data = ngx_palloc(c->pool, ngx_base64_decoded_length(arg[0].len)); |
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411 if (s->passwd.data == NULL){ |
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412 return NGX_ERROR; |
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413 } |
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414 |
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415 if (ngx_decode_base64(&s->passwd, &arg[0]) != NGX_OK) { |
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416 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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417 "client sent invalid base64 encoding in AUTH LOGIN command"); |
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418 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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419 } |
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420 |
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421 #if (NGX_DEBUG_MAIL_PASSWD) |
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422 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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423 "mail auth login password: \"%V\"", &s->passwd); |
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424 #endif |
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425 |
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426 return NGX_DONE; |
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427 } |
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428 |
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429 |
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430 ngx_int_t |
1479 | 431 ngx_mail_auth_cram_md5_salt(ngx_mail_session_t *s, ngx_connection_t *c, |
432 char *prefix, size_t len) | |
433 { | |
434 u_char *p; | |
435 ngx_str_t salt; | |
436 ngx_uint_t n; | |
437 | |
438 p = ngx_palloc(c->pool, len + ngx_base64_encoded_length(s->salt.len) + 2); | |
439 if (p == NULL) { | |
440 return NGX_ERROR; | |
441 } | |
442 | |
443 salt.data = ngx_cpymem(p, prefix, len); | |
444 s->salt.len -= 2; | |
445 | |
446 ngx_encode_base64(&salt, &s->salt); | |
447 | |
448 s->salt.len += 2; | |
449 n = len + salt.len; | |
450 p[n++] = CR; p[n++] = LF; | |
451 | |
452 s->out.len = n; | |
453 s->out.data = p; | |
454 | |
455 return NGX_OK; | |
456 } | |
457 | |
458 | |
459 ngx_int_t | |
1476
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460 ngx_mail_auth_cram_md5(ngx_mail_session_t *s, ngx_connection_t *c) |
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|
461 { |
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|
462 u_char *p, *last; |
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|
463 ngx_str_t *arg; |
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|
464 |
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|
465 arg = s->args.elts; |
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changeset
|
466 |
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|
467 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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|
468 "mail auth cram-md5: \"%V\"", &arg[0]); |
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|
469 |
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|
470 s->login.data = ngx_palloc(c->pool, ngx_base64_decoded_length(arg[0].len)); |
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changeset
|
471 if (s->login.data == NULL){ |
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|
472 return NGX_ERROR; |
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changeset
|
473 } |
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diff
changeset
|
474 |
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changeset
|
475 if (ngx_decode_base64(&s->login, &arg[0]) != NGX_OK) { |
67578e966dcc
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changeset
|
476 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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parents:
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diff
changeset
|
477 "client sent invalid base64 encoding in AUTH CRAM-MD5 command"); |
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parents:
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changeset
|
478 return NGX_MAIL_PARSE_INVALID_COMMAND; |
67578e966dcc
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parents:
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changeset
|
479 } |
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parents:
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diff
changeset
|
480 |
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diff
changeset
|
481 p = s->login.data; |
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diff
changeset
|
482 last = p + s->login.len; |
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diff
changeset
|
483 |
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parents:
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changeset
|
484 while (p < last) { |
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parents:
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diff
changeset
|
485 if (*p++ == ' ') { |
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parents:
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diff
changeset
|
486 s->login.len = p - s->login.data - 1; |
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parents:
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diff
changeset
|
487 s->passwd.len = last - p; |
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parents:
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diff
changeset
|
488 s->passwd.data = p; |
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parents:
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diff
changeset
|
489 break; |
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parents:
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diff
changeset
|
490 } |
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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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parents:
1472
diff
changeset
|
493 if (s->passwd.len != 32) { |
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parents:
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diff
changeset
|
494 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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parents:
1472
diff
changeset
|
495 "client sent invalid CRAM-MD5 hash in AUTH CRAM-MD5 command"); |
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parents:
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diff
changeset
|
496 return NGX_MAIL_PARSE_INVALID_COMMAND; |
67578e966dcc
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parents:
1472
diff
changeset
|
497 } |
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parents:
1472
diff
changeset
|
498 |
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parents:
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diff
changeset
|
499 ngx_log_debug2(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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parents:
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diff
changeset
|
500 "mail auth cram-md5: \"%V\" \"%V\"", &s->login, &s->passwd); |
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parents:
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diff
changeset
|
501 |
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parents:
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diff
changeset
|
502 s->auth_method = NGX_MAIL_AUTH_CRAM_MD5; |
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parents:
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diff
changeset
|
503 |
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parents:
1472
diff
changeset
|
504 return NGX_DONE; |
539 | 505 } |
506 | |
507 | |
508 void | |
1136 | 509 ngx_mail_send(ngx_event_t *wev) |
539 | 510 { |
541 | 511 ngx_int_t n; |
512 ngx_connection_t *c; | |
1136 | 513 ngx_mail_session_t *s; |
514 ngx_mail_core_srv_conf_t *cscf; | |
539 | 515 |
516 c = wev->data; | |
517 s = c->data; | |
518 | |
519 if (wev->timedout) { | |
520 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out"); | |
577 | 521 c->timedout = 1; |
1136 | 522 ngx_mail_close_connection(c); |
539 | 523 return; |
524 } | |
525 | |
526 if (s->out.len == 0) { | |
527 if (ngx_handle_write_event(c->write, 0) == NGX_ERROR) { | |
1136 | 528 ngx_mail_close_connection(c); |
539 | 529 } |
530 | |
531 return; | |
532 } | |
533 | |
534 n = c->send(c, s->out.data, s->out.len); | |
535 | |
536 if (n > 0) { | |
537 s->out.len -= n; | |
538 | |
541 | 539 if (wev->timer_set) { |
540 ngx_del_timer(wev); | |
541 } | |
542 | |
539 | 543 if (s->quit) { |
1136 | 544 ngx_mail_close_connection(c); |
539 | 545 return; |
546 } | |
547 | |
548 if (s->blocked) { | |
549 c->read->handler(c->read); | |
550 } | |
551 | |
552 return; | |
553 } | |
554 | |
555 if (n == NGX_ERROR) { | |
1136 | 556 ngx_mail_close_connection(c); |
539 | 557 return; |
558 } | |
559 | |
560 /* n == NGX_AGAIN */ | |
561 | |
1136 | 562 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
541 | 563 |
564 ngx_add_timer(c->write, cscf->timeout); | |
565 | |
539 | 566 if (ngx_handle_write_event(c->write, 0) == NGX_ERROR) { |
1136 | 567 ngx_mail_close_connection(c); |
539 | 568 return; |
569 } | |
413
de9d4726e28a
nginx-0.0.10-2004-08-31-23:05:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
570 } |
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
571 |
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
572 |
1476
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parents:
1472
diff
changeset
|
573 ngx_int_t |
1136 | 574 ngx_mail_read_command(ngx_mail_session_t *s) |
420
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
575 { |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
576 ssize_t n; |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
577 ngx_int_t rc; |
1108
109e8c7d7cc1
return error for too long commands
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parents:
1107
diff
changeset
|
578 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
|
579 |
539 | 580 n = s->connection->recv(s->connection, s->buffer->last, |
581 s->buffer->end - s->buffer->last); | |
420
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
582 |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
583 if (n == NGX_ERROR || n == 0) { |
1136 | 584 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
|
585 return NGX_ERROR; |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
586 } |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
587 |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
588 if (n > 0) { |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
589 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
|
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 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
|
593 if (ngx_handle_read_event(s->connection->read, 0) == NGX_ERROR) { |
1136 | 594 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
|
595 return NGX_ERROR; |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
596 } |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
597 |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
598 return NGX_AGAIN; |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
599 } |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
600 |
1477 | 601 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
|
602 |
1108
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
603 if (rc == NGX_AGAIN) { |
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
604 |
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
605 if (s->buffer->last < s->buffer->end) { |
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
606 return rc; |
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
607 } |
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
608 |
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
609 l.len = s->buffer->last - s->buffer->start; |
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
610 l.data = s->buffer->start; |
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
611 |
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
612 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
|
613 "client sent too long command \"%V\"", &l); |
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
614 |
1111
b0fc4af1f196
close connection for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1108
diff
changeset
|
615 s->quit = 1; |
b0fc4af1f196
close connection for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1108
diff
changeset
|
616 |
1136 | 617 return NGX_MAIL_PARSE_INVALID_COMMAND; |
1108
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
618 } |
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
619 |
1136 | 620 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
|
621 return rc; |
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 |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
624 if (rc == NGX_ERROR) { |
1136 | 625 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
|
626 return NGX_ERROR; |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
627 } |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
628 |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
629 return NGX_OK; |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
630 } |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
631 |
33a8253115b4
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632 |
521 | 633 void |
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634 ngx_mail_auth(ngx_mail_session_t *s) |
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635 { |
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636 s->args.nelts = 0; |
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637 s->buffer->pos = s->buffer->start; |
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638 s->buffer->last = s->buffer->start; |
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639 s->state = 0; |
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640 |
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641 if (s->connection->read->timer_set) { |
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642 ngx_del_timer(s->connection->read); |
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643 } |
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644 |
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645 s->login_attempt++; |
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646 |
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647 ngx_mail_auth_http_init(s); |
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648 } |
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649 |
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650 |
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651 void |
1136 | 652 ngx_mail_session_internal_server_error(ngx_mail_session_t *s) |
525 | 653 { |
539 | 654 s->out = internal_server_errors[s->protocol]; |
655 s->quit = 1; | |
525 | 656 |
1136 | 657 ngx_mail_send(s->connection->write); |
525 | 658 } |
659 | |
660 | |
661 void | |
1136 | 662 ngx_mail_close_connection(ngx_connection_t *c) |
417
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663 { |
479 | 664 ngx_pool_t *pool; |
665 | |
1136 | 666 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
667 "close mail connection: %d", c->fd); | |
417
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668 |
1136 | 669 #if (NGX_MAIL_SSL) |
539 | 670 |
671 if (c->ssl) { | |
672 if (ngx_ssl_shutdown(c) == NGX_AGAIN) { | |
1136 | 673 c->ssl->handler = ngx_mail_close_connection; |
539 | 674 return; |
675 } | |
676 } | |
677 | |
678 #endif | |
679 | |
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680 #if (NGX_STAT_STUB) |
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681 ngx_atomic_fetch_add(ngx_stat_active, -1); |
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682 #endif |
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683 |
583 | 684 c->destroyed = 1; |
543 | 685 |
479 | 686 pool = c->pool; |
687 | |
417
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688 ngx_close_connection(c); |
479 | 689 |
501 | 690 ngx_destroy_pool(pool); |
417
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691 } |
539 | 692 |
693 | |
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694 u_char * |
1136 | 695 ngx_mail_log_error(ngx_log_t *log, u_char *buf, size_t len) |
541 | 696 { |
567 | 697 u_char *p; |
1136 | 698 ngx_mail_session_t *s; |
699 ngx_mail_log_ctx_t *ctx; | |
541 | 700 |
701 if (log->action) { | |
702 p = ngx_snprintf(buf, len, " while %s", log->action); | |
703 len -= p - buf; | |
704 buf = p; | |
705 } | |
577 | 706 |
541 | 707 ctx = log->data; |
708 | |
709 p = ngx_snprintf(buf, len, ", client: %V", ctx->client); | |
710 len -= p - buf; | |
711 buf = p; | |
712 | |
713 s = ctx->session; | |
714 | |
715 if (s == NULL) { | |
716 return p; | |
717 } | |
718 | |
641 | 719 p = ngx_snprintf(buf, len, ", server: %V", s->addr_text); |
541 | 720 len -= p - buf; |
721 buf = p; | |
722 | |
723 if (s->login.len == 0) { | |
724 return p; | |
725 } | |
726 | |
727 p = ngx_snprintf(buf, len, ", login: \"%V\"", &s->login); | |
728 len -= p - buf; | |
729 buf = p; | |
730 | |
731 if (s->proxy == NULL) { | |
732 return p; | |
733 } | |
734 | |
884 | 735 p = ngx_snprintf(buf, len, ", upstream: %V", s->proxy->upstream.name); |
541 | 736 |
737 return p; | |
738 } |