Mercurial > hg > nginx
annotate src/mail/ngx_mail_handler.c @ 3128:c4659427a6cc stable-0.6
release-0.6.39 tag
author | Igor Sysoev <igor@sysoev.ru> |
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date | Mon, 14 Sep 2009 13:13:22 +0000 |
parents | 62c95a6b143b |
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rev | line source |
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
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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 |
521 | 21 void |
1136 | 22 ngx_mail_init_connection(ngx_connection_t *c) |
413
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23 { |
641 | 24 in_addr_t in_addr; |
25 socklen_t len; | |
26 ngx_uint_t i; | |
27 struct sockaddr_in sin; | |
1136 | 28 ngx_mail_log_ctx_t *ctx; |
29 ngx_mail_in_port_t *imip; | |
30 ngx_mail_in_addr_t *imia; | |
31 ngx_mail_session_t *s; | |
641 | 32 |
33 /* find the server configuration for the address:port */ | |
34 | |
35 /* AF_INET only */ | |
36 | |
37 imip = c->listening->servers; | |
38 imia = imip->addrs; | |
39 | |
40 i = 0; | |
41 | |
42 if (imip->naddrs > 1) { | |
43 | |
44 /* | |
45 * There are several addresses on this port and one of them | |
46 * is the "*:port" wildcard so getsockname() is needed to determine | |
47 * the server address. | |
48 * | |
49 * AcceptEx() already gave this address. | |
50 */ | |
51 | |
52 #if (NGX_WIN32) | |
53 if (c->local_sockaddr) { | |
54 in_addr = | |
55 ((struct sockaddr_in *) c->local_sockaddr)->sin_addr.s_addr; | |
541 | 56 |
641 | 57 } else |
58 #endif | |
59 { | |
60 len = sizeof(struct sockaddr_in); | |
61 if (getsockname(c->fd, (struct sockaddr *) &sin, &len) == -1) { | |
62 ngx_connection_error(c, ngx_socket_errno, | |
63 "getsockname() failed"); | |
1136 | 64 ngx_mail_close_connection(c); |
641 | 65 return; |
66 } | |
67 | |
68 in_addr = sin.sin_addr.s_addr; | |
69 } | |
70 | |
71 /* the last address is "*" */ | |
72 | |
73 for ( /* void */ ; i < imip->naddrs - 1; i++) { | |
74 if (in_addr == imia[i].addr) { | |
75 break; | |
76 } | |
77 } | |
78 } | |
79 | |
80 | |
1136 | 81 s = ngx_pcalloc(c->pool, sizeof(ngx_mail_session_t)); |
641 | 82 if (s == NULL) { |
1136 | 83 ngx_mail_close_connection(c); |
541 | 84 return; |
577 | 85 } |
541 | 86 |
641 | 87 s->main_conf = imia[i].ctx->main_conf; |
88 s->srv_conf = imia[i].ctx->srv_conf; | |
89 | |
90 s->addr_text = &imia[i].addr_text; | |
91 | |
92 c->data = s; | |
93 s->connection = c; | |
94 | |
95 ngx_log_error(NGX_LOG_INFO, c->log, 0, "*%ui client %V connected to %V", | |
96 c->number, &c->addr_text, s->addr_text); | |
97 | |
1136 | 98 ctx = ngx_palloc(c->pool, sizeof(ngx_mail_log_ctx_t)); |
641 | 99 if (ctx == NULL) { |
1136 | 100 ngx_mail_close_connection(c); |
641 | 101 return; |
102 } | |
103 | |
104 ctx->client = &c->addr_text; | |
105 ctx->session = s; | |
541 | 106 |
107 c->log->connection = c->number; | |
1136 | 108 c->log->handler = ngx_mail_log_error; |
641 | 109 c->log->data = ctx; |
541 | 110 c->log->action = "sending client greeting line"; |
111 | |
112 c->log_error = NGX_ERROR_INFO; | |
113 | |
1136 | 114 #if (NGX_MAIL_SSL) |
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115 { |
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116 ngx_mail_ssl_conf_t *sslcf; |
543 | 117 |
1136 | 118 sslcf = ngx_mail_get_module_srv_conf(s, ngx_mail_ssl_module); |
543 | 119 |
120 if (sslcf->enable) { | |
1136 | 121 ngx_mail_ssl_init_connection(&sslcf->ssl, c); |
547 | 122 return; |
543 | 123 } |
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124 } |
543 | 125 #endif |
126 | |
1136 | 127 ngx_mail_init_session(c); |
541 | 128 } |
129 | |
130 | |
1136 | 131 #if (NGX_MAIL_SSL) |
547 | 132 |
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133 void |
1136 | 134 ngx_mail_starttls_handler(ngx_event_t *rev) |
583 | 135 { |
136 ngx_connection_t *c; | |
1136 | 137 ngx_mail_session_t *s; |
138 ngx_mail_ssl_conf_t *sslcf; | |
583 | 139 |
140 c = rev->data; | |
141 s = c->data; | |
641 | 142 s->starttls = 1; |
583 | 143 |
144 c->log->action = "in starttls state"; | |
145 | |
1136 | 146 sslcf = ngx_mail_get_module_srv_conf(s, ngx_mail_ssl_module); |
583 | 147 |
1136 | 148 ngx_mail_ssl_init_connection(&sslcf->ssl, c); |
583 | 149 } |
150 | |
151 | |
152 static void | |
1136 | 153 ngx_mail_ssl_init_connection(ngx_ssl_t *ssl, ngx_connection_t *c) |
583 | 154 { |
1136 | 155 ngx_mail_session_t *s; |
156 ngx_mail_core_srv_conf_t *cscf; | |
583 | 157 |
158 if (ngx_ssl_create_connection(ssl, c, 0) == NGX_ERROR) { | |
1136 | 159 ngx_mail_close_connection(c); |
583 | 160 return; |
161 } | |
162 | |
163 if (ngx_ssl_handshake(c) == NGX_AGAIN) { | |
164 | |
641 | 165 s = c->data; |
166 | |
1136 | 167 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
583 | 168 |
169 ngx_add_timer(c->read, cscf->timeout); | |
170 | |
1136 | 171 c->ssl->handler = ngx_mail_ssl_handshake_handler; |
583 | 172 |
173 return; | |
174 } | |
175 | |
1136 | 176 ngx_mail_ssl_handshake_handler(c); |
583 | 177 } |
178 | |
179 | |
180 static void | |
1136 | 181 ngx_mail_ssl_handshake_handler(ngx_connection_t *c) |
577 | 182 { |
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183 ngx_mail_session_t *s; |
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184 ngx_mail_core_srv_conf_t *cscf; |
641 | 185 |
547 | 186 if (c->ssl->handshaked) { |
583 | 187 |
641 | 188 s = c->data; |
189 | |
190 if (s->starttls) { | |
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191 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
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192 |
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193 c->read->handler = cscf->protocol->init_protocol; |
1136 | 194 c->write->handler = ngx_mail_send; |
583 | 195 |
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196 cscf->protocol->init_protocol(c->read); |
583 | 197 |
198 return; | |
199 } | |
200 | |
1136 | 201 ngx_mail_init_session(c); |
547 | 202 return; |
203 } | |
204 | |
1136 | 205 ngx_mail_close_connection(c); |
547 | 206 } |
207 | |
208 #endif | |
209 | |
210 | |
211 static void | |
1136 | 212 ngx_mail_init_session(ngx_connection_t *c) |
541 | 213 { |
1136 | 214 ngx_mail_session_t *s; |
215 ngx_mail_core_srv_conf_t *cscf; | |
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216 |
641 | 217 s = c->data; |
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218 |
1136 | 219 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
539 | 220 |
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221 s->protocol = cscf->protocol->type; |
539 | 222 |
1136 | 223 s->ctx = ngx_pcalloc(c->pool, sizeof(void *) * ngx_mail_max_module); |
539 | 224 if (s->ctx == NULL) { |
1136 | 225 ngx_mail_session_internal_server_error(s); |
539 | 226 return; |
227 } | |
228 | |
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229 c->write->handler = ngx_mail_send; |
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230 |
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231 cscf->protocol->init_session(s, c); |
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232 } |
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233 |
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234 |
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235 ngx_int_t |
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236 ngx_mail_salt(ngx_mail_session_t *s, ngx_connection_t *c, |
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237 ngx_mail_core_srv_conf_t *cscf) |
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238 { |
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239 s->salt.data = ngx_palloc(c->pool, |
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240 sizeof(" <18446744073709551616.@>" CRLF) - 1 |
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241 + NGX_TIME_T_LEN |
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242 + cscf->server_name.len); |
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243 if (s->salt.data == NULL) { |
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244 return NGX_ERROR; |
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245 } |
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246 |
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247 s->salt.len = ngx_sprintf(s->salt.data, "<%ul.%T@%V>" CRLF, |
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248 ngx_random(), ngx_time(), &cscf->server_name) |
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249 - s->salt.data; |
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250 |
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251 return NGX_OK; |
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252 } |
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253 |
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254 |
1479 | 255 #if (NGX_MAIL_SSL) |
256 | |
257 ngx_int_t | |
258 ngx_mail_starttls_only(ngx_mail_session_t *s, ngx_connection_t *c) | |
259 { | |
260 ngx_mail_ssl_conf_t *sslcf; | |
261 | |
262 if (c->ssl) { | |
263 return 0; | |
264 } | |
265 | |
266 sslcf = ngx_mail_get_module_srv_conf(s, ngx_mail_ssl_module); | |
267 | |
268 if (sslcf->starttls == NGX_MAIL_STARTTLS_ONLY) { | |
269 return 1; | |
270 } | |
271 | |
272 return 0; | |
273 } | |
274 | |
275 #endif | |
276 | |
277 | |
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278 ngx_int_t |
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279 ngx_mail_auth_plain(ngx_mail_session_t *s, ngx_connection_t *c, ngx_uint_t n) |
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280 { |
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281 u_char *p, *last; |
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282 ngx_str_t *arg, plain; |
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283 |
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284 arg = s->args.elts; |
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285 |
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286 #if (NGX_DEBUG_MAIL_PASSWD) |
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287 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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288 "mail auth plain: \"%V\"", &arg[n]); |
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289 #endif |
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290 |
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291 plain.data = ngx_palloc(c->pool, ngx_base64_decoded_length(arg[n].len)); |
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292 if (plain.data == NULL){ |
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293 return NGX_ERROR; |
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294 } |
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295 |
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296 if (ngx_decode_base64(&plain, &arg[n]) != NGX_OK) { |
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297 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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298 "client sent invalid base64 encoding in AUTH PLAIN command"); |
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299 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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300 } |
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301 |
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302 p = plain.data; |
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303 last = p + plain.len; |
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304 |
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305 while (p < last && *p++) { /* void */ } |
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306 |
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307 if (p == last) { |
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308 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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309 "client sent invalid login in AUTH PLAIN command"); |
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310 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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311 } |
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312 |
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313 s->login.data = p; |
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314 |
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315 while (p < last && *p) { p++; } |
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316 |
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317 if (p == last) { |
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318 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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319 "client sent invalid password in AUTH PLAIN command"); |
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320 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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321 } |
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322 |
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323 s->login.len = p++ - s->login.data; |
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324 |
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325 s->passwd.len = last - p; |
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326 s->passwd.data = p; |
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327 |
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328 #if (NGX_DEBUG_MAIL_PASSWD) |
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329 ngx_log_debug2(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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330 "mail auth plain: \"%V\" \"%V\"", &s->login, &s->passwd); |
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331 #endif |
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332 |
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333 return NGX_DONE; |
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334 } |
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335 |
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336 |
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337 ngx_int_t |
2862 | 338 ngx_mail_auth_login_username(ngx_mail_session_t *s, ngx_connection_t *c, |
339 ngx_uint_t n) | |
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340 { |
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341 ngx_str_t *arg; |
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342 |
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343 arg = s->args.elts; |
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344 |
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345 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
2862 | 346 "mail auth login username: \"%V\"", &arg[n]); |
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347 |
2862 | 348 s->login.data = ngx_palloc(c->pool, ngx_base64_decoded_length(arg[n].len)); |
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349 if (s->login.data == NULL){ |
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350 return NGX_ERROR; |
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351 } |
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352 |
2862 | 353 if (ngx_decode_base64(&s->login, &arg[n]) != NGX_OK) { |
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354 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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355 "client sent invalid base64 encoding in AUTH LOGIN command"); |
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356 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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357 } |
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358 |
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359 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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360 "mail auth login username: \"%V\"", &s->login); |
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361 |
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362 return NGX_OK; |
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363 } |
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364 |
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365 |
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366 ngx_int_t |
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367 ngx_mail_auth_login_password(ngx_mail_session_t *s, ngx_connection_t *c) |
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368 { |
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369 ngx_str_t *arg; |
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370 |
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371 arg = s->args.elts; |
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372 |
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373 #if (NGX_DEBUG_MAIL_PASSWD) |
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374 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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375 "mail auth login password: \"%V\"", &arg[0]); |
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376 #endif |
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377 |
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378 s->passwd.data = ngx_palloc(c->pool, ngx_base64_decoded_length(arg[0].len)); |
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379 if (s->passwd.data == NULL){ |
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380 return NGX_ERROR; |
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381 } |
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382 |
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383 if (ngx_decode_base64(&s->passwd, &arg[0]) != NGX_OK) { |
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384 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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385 "client sent invalid base64 encoding in AUTH LOGIN command"); |
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386 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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387 } |
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388 |
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389 #if (NGX_DEBUG_MAIL_PASSWD) |
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390 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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391 "mail auth login password: \"%V\"", &s->passwd); |
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392 #endif |
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393 |
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394 return NGX_DONE; |
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395 } |
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396 |
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397 |
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398 ngx_int_t |
1479 | 399 ngx_mail_auth_cram_md5_salt(ngx_mail_session_t *s, ngx_connection_t *c, |
400 char *prefix, size_t len) | |
401 { | |
402 u_char *p; | |
403 ngx_str_t salt; | |
404 ngx_uint_t n; | |
405 | |
406 p = ngx_palloc(c->pool, len + ngx_base64_encoded_length(s->salt.len) + 2); | |
407 if (p == NULL) { | |
408 return NGX_ERROR; | |
409 } | |
410 | |
411 salt.data = ngx_cpymem(p, prefix, len); | |
412 s->salt.len -= 2; | |
413 | |
414 ngx_encode_base64(&salt, &s->salt); | |
415 | |
416 s->salt.len += 2; | |
417 n = len + salt.len; | |
418 p[n++] = CR; p[n++] = LF; | |
419 | |
420 s->out.len = n; | |
421 s->out.data = p; | |
422 | |
423 return NGX_OK; | |
424 } | |
425 | |
426 | |
427 ngx_int_t | |
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428 ngx_mail_auth_cram_md5(ngx_mail_session_t *s, ngx_connection_t *c) |
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429 { |
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430 u_char *p, *last; |
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431 ngx_str_t *arg; |
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432 |
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433 arg = s->args.elts; |
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434 |
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435 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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436 "mail auth cram-md5: \"%V\"", &arg[0]); |
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437 |
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438 s->login.data = ngx_palloc(c->pool, ngx_base64_decoded_length(arg[0].len)); |
67578e966dcc
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parents:
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diff
changeset
|
439 if (s->login.data == NULL){ |
67578e966dcc
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parents:
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changeset
|
440 return NGX_ERROR; |
67578e966dcc
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parents:
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diff
changeset
|
441 } |
67578e966dcc
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parents:
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diff
changeset
|
442 |
67578e966dcc
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parents:
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diff
changeset
|
443 if (ngx_decode_base64(&s->login, &arg[0]) != NGX_OK) { |
67578e966dcc
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parents:
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diff
changeset
|
444 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
67578e966dcc
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parents:
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diff
changeset
|
445 "client sent invalid base64 encoding in AUTH CRAM-MD5 command"); |
67578e966dcc
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parents:
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diff
changeset
|
446 return NGX_MAIL_PARSE_INVALID_COMMAND; |
67578e966dcc
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parents:
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diff
changeset
|
447 } |
67578e966dcc
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parents:
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diff
changeset
|
448 |
67578e966dcc
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parents:
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diff
changeset
|
449 p = s->login.data; |
67578e966dcc
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parents:
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diff
changeset
|
450 last = p + s->login.len; |
67578e966dcc
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parents:
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diff
changeset
|
451 |
67578e966dcc
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parents:
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diff
changeset
|
452 while (p < last) { |
67578e966dcc
split pop3, imap, and smtp handlers
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parents:
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diff
changeset
|
453 if (*p++ == ' ') { |
67578e966dcc
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parents:
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diff
changeset
|
454 s->login.len = p - s->login.data - 1; |
67578e966dcc
split pop3, imap, and smtp handlers
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parents:
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diff
changeset
|
455 s->passwd.len = last - p; |
67578e966dcc
split pop3, imap, and smtp handlers
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parents:
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diff
changeset
|
456 s->passwd.data = p; |
67578e966dcc
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parents:
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diff
changeset
|
457 break; |
67578e966dcc
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parents:
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diff
changeset
|
458 } |
67578e966dcc
split pop3, imap, and smtp handlers
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parents:
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diff
changeset
|
459 } |
67578e966dcc
split pop3, imap, and smtp handlers
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parents:
1472
diff
changeset
|
460 |
67578e966dcc
split pop3, imap, and smtp handlers
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parents:
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diff
changeset
|
461 if (s->passwd.len != 32) { |
67578e966dcc
split pop3, imap, and smtp handlers
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parents:
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diff
changeset
|
462 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
67578e966dcc
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parents:
1472
diff
changeset
|
463 "client sent invalid CRAM-MD5 hash in AUTH CRAM-MD5 command"); |
67578e966dcc
split pop3, imap, and smtp handlers
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parents:
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diff
changeset
|
464 return NGX_MAIL_PARSE_INVALID_COMMAND; |
67578e966dcc
split pop3, imap, and smtp handlers
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parents:
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diff
changeset
|
465 } |
67578e966dcc
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parents:
1472
diff
changeset
|
466 |
67578e966dcc
split pop3, imap, and smtp handlers
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parents:
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diff
changeset
|
467 ngx_log_debug2(NGX_LOG_DEBUG_MAIL, c->log, 0, |
67578e966dcc
split pop3, imap, and smtp handlers
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parents:
1472
diff
changeset
|
468 "mail auth cram-md5: \"%V\" \"%V\"", &s->login, &s->passwd); |
67578e966dcc
split pop3, imap, and smtp handlers
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parents:
1472
diff
changeset
|
469 |
67578e966dcc
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parents:
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diff
changeset
|
470 s->auth_method = NGX_MAIL_AUTH_CRAM_MD5; |
67578e966dcc
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parents:
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diff
changeset
|
471 |
67578e966dcc
split pop3, imap, and smtp handlers
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parents:
1472
diff
changeset
|
472 return NGX_DONE; |
539 | 473 } |
474 | |
475 | |
476 void | |
1136 | 477 ngx_mail_send(ngx_event_t *wev) |
539 | 478 { |
541 | 479 ngx_int_t n; |
480 ngx_connection_t *c; | |
1136 | 481 ngx_mail_session_t *s; |
482 ngx_mail_core_srv_conf_t *cscf; | |
539 | 483 |
484 c = wev->data; | |
485 s = c->data; | |
486 | |
487 if (wev->timedout) { | |
488 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out"); | |
577 | 489 c->timedout = 1; |
1136 | 490 ngx_mail_close_connection(c); |
539 | 491 return; |
492 } | |
493 | |
494 if (s->out.len == 0) { | |
495 if (ngx_handle_write_event(c->write, 0) == NGX_ERROR) { | |
1136 | 496 ngx_mail_close_connection(c); |
539 | 497 } |
498 | |
499 return; | |
500 } | |
501 | |
502 n = c->send(c, s->out.data, s->out.len); | |
503 | |
504 if (n > 0) { | |
505 s->out.len -= n; | |
506 | |
541 | 507 if (wev->timer_set) { |
508 ngx_del_timer(wev); | |
509 } | |
510 | |
539 | 511 if (s->quit) { |
1136 | 512 ngx_mail_close_connection(c); |
539 | 513 return; |
514 } | |
515 | |
516 if (s->blocked) { | |
517 c->read->handler(c->read); | |
518 } | |
519 | |
520 return; | |
521 } | |
522 | |
523 if (n == NGX_ERROR) { | |
1136 | 524 ngx_mail_close_connection(c); |
539 | 525 return; |
526 } | |
527 | |
528 /* n == NGX_AGAIN */ | |
529 | |
1136 | 530 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
541 | 531 |
532 ngx_add_timer(c->write, cscf->timeout); | |
533 | |
539 | 534 if (ngx_handle_write_event(c->write, 0) == NGX_ERROR) { |
1136 | 535 ngx_mail_close_connection(c); |
539 | 536 return; |
537 } | |
413
de9d4726e28a
nginx-0.0.10-2004-08-31-23:05:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
538 } |
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
539 |
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
540 |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
541 ngx_int_t |
1482 | 542 ngx_mail_read_command(ngx_mail_session_t *s, ngx_connection_t *c) |
420
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
543 { |
1487
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
544 ssize_t n; |
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
545 ngx_int_t rc; |
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
546 ngx_str_t l; |
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
547 ngx_mail_core_srv_conf_t *cscf; |
420
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
548 |
1482 | 549 n = c->recv(c, s->buffer->last, 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
|
550 |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
551 if (n == NGX_ERROR || n == 0) { |
1482 | 552 ngx_mail_close_connection(c); |
420
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
553 return NGX_ERROR; |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
554 } |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
555 |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
556 if (n > 0) { |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
557 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
|
558 } |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
559 |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
560 if (n == NGX_AGAIN) { |
1482 | 561 if (ngx_handle_read_event(c->read, 0) == NGX_ERROR) { |
1136 | 562 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
|
563 return NGX_ERROR; |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
564 } |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
565 |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
566 return NGX_AGAIN; |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
567 } |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
568 |
1487
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
569 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
570 |
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
571 rc = cscf->protocol->parse_command(s); |
420
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
572 |
1108
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
573 if (rc == NGX_AGAIN) { |
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
574 |
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
575 if (s->buffer->last < s->buffer->end) { |
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
576 return rc; |
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
577 } |
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
578 |
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
579 l.len = s->buffer->last - s->buffer->start; |
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
580 l.data = s->buffer->start; |
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
581 |
1482 | 582 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
1108
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
583 "client sent too long command \"%V\"", &l); |
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
584 |
1111
b0fc4af1f196
close connection for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1108
diff
changeset
|
585 s->quit = 1; |
b0fc4af1f196
close connection for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1108
diff
changeset
|
586 |
1136 | 587 return NGX_MAIL_PARSE_INVALID_COMMAND; |
1108
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
588 } |
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
589 |
1136 | 590 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
|
591 return rc; |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
592 } |
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 if (rc == NGX_ERROR) { |
1482 | 595 ngx_mail_close_connection(c); |
420
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
596 return NGX_ERROR; |
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 |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
599 return NGX_OK; |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
600 } |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
601 |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
602 |
521 | 603 void |
1482 | 604 ngx_mail_auth(ngx_mail_session_t *s, ngx_connection_t *c) |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
605 { |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
606 s->args.nelts = 0; |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
607 s->buffer->pos = s->buffer->start; |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
608 s->buffer->last = s->buffer->start; |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
609 s->state = 0; |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
610 |
1482 | 611 if (c->read->timer_set) { |
612 ngx_del_timer(c->read); | |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
613 } |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
614 |
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615 s->login_attempt++; |
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616 |
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617 ngx_mail_auth_http_init(s); |
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618 } |
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619 |
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620 |
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621 void |
1136 | 622 ngx_mail_session_internal_server_error(ngx_mail_session_t *s) |
525 | 623 { |
1487
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624 ngx_mail_core_srv_conf_t *cscf; |
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625 |
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626 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
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627 |
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628 s->out = cscf->protocol->internal_server_error; |
539 | 629 s->quit = 1; |
525 | 630 |
1136 | 631 ngx_mail_send(s->connection->write); |
525 | 632 } |
633 | |
634 | |
635 void | |
1136 | 636 ngx_mail_close_connection(ngx_connection_t *c) |
417
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637 { |
479 | 638 ngx_pool_t *pool; |
639 | |
1136 | 640 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
641 "close mail connection: %d", c->fd); | |
417
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642 |
1136 | 643 #if (NGX_MAIL_SSL) |
539 | 644 |
645 if (c->ssl) { | |
646 if (ngx_ssl_shutdown(c) == NGX_AGAIN) { | |
1136 | 647 c->ssl->handler = ngx_mail_close_connection; |
539 | 648 return; |
649 } | |
650 } | |
651 | |
652 #endif | |
653 | |
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654 #if (NGX_STAT_STUB) |
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655 ngx_atomic_fetch_add(ngx_stat_active, -1); |
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656 #endif |
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657 |
583 | 658 c->destroyed = 1; |
543 | 659 |
479 | 660 pool = c->pool; |
661 | |
417
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662 ngx_close_connection(c); |
479 | 663 |
501 | 664 ngx_destroy_pool(pool); |
417
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665 } |
539 | 666 |
667 | |
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668 u_char * |
1136 | 669 ngx_mail_log_error(ngx_log_t *log, u_char *buf, size_t len) |
541 | 670 { |
567 | 671 u_char *p; |
1136 | 672 ngx_mail_session_t *s; |
673 ngx_mail_log_ctx_t *ctx; | |
541 | 674 |
675 if (log->action) { | |
676 p = ngx_snprintf(buf, len, " while %s", log->action); | |
677 len -= p - buf; | |
678 buf = p; | |
679 } | |
577 | 680 |
541 | 681 ctx = log->data; |
682 | |
683 p = ngx_snprintf(buf, len, ", client: %V", ctx->client); | |
684 len -= p - buf; | |
685 buf = p; | |
686 | |
687 s = ctx->session; | |
688 | |
689 if (s == NULL) { | |
690 return p; | |
691 } | |
692 | |
1491 | 693 p = ngx_snprintf(buf, len, "%s, server: %V", |
694 s->starttls ? " using starttls" : "", | |
695 s->addr_text); | |
541 | 696 len -= p - buf; |
697 buf = p; | |
698 | |
699 if (s->login.len == 0) { | |
700 return p; | |
701 } | |
702 | |
703 p = ngx_snprintf(buf, len, ", login: \"%V\"", &s->login); | |
704 len -= p - buf; | |
705 buf = p; | |
706 | |
707 if (s->proxy == NULL) { | |
708 return p; | |
709 } | |
710 | |
884 | 711 p = ngx_snprintf(buf, len, ", upstream: %V", s->proxy->upstream.name); |
541 | 712 |
713 return p; | |
714 } |