Mercurial > hg > nginx
annotate src/mail/ngx_mail_handler.c @ 1477:59e1caf2be94
style fix and optimizations
| author | Igor Sysoev <igor@sysoev.ru> |
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| date | Thu, 13 Sep 2007 20:27:28 +0000 |
| parents | 67578e966dcc |
| children | 2647950e047f |
| 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); |
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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 | |
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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); |
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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 |
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288 ngx_int_t |
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289 ngx_mail_auth_plain(ngx_mail_session_t *s, ngx_connection_t *c, ngx_uint_t n) |
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290 { |
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291 u_char *p, *last; |
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292 ngx_str_t *arg, plain; |
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293 |
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294 arg = s->args.elts; |
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295 |
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296 #if (NGX_DEBUG_MAIL_PASSWD) |
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297 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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298 "mail auth plain: \"%V\"", &arg[n]); |
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299 #endif |
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300 |
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301 plain.data = ngx_palloc(c->pool, ngx_base64_decoded_length(arg[n].len)); |
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302 if (plain.data == NULL){ |
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303 return NGX_ERROR; |
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304 } |
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305 |
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306 if (ngx_decode_base64(&plain, &arg[0]) != NGX_OK) { |
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307 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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308 "client sent invalid base64 encoding in AUTH PLAIN command"); |
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309 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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310 } |
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311 |
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312 p = plain.data; |
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313 last = p + plain.len; |
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314 |
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315 while (p < last && *p++) { /* void */ } |
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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 login 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.data = p; |
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324 |
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325 while (p < last && *p) { p++; } |
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326 |
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327 if (p == last) { |
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328 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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329 "client sent invalid password in AUTH PLAIN command"); |
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330 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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331 } |
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332 |
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333 s->login.len = p++ - s->login.data; |
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334 |
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335 s->passwd.len = last - p; |
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336 s->passwd.data = p; |
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337 |
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338 #if (NGX_DEBUG_MAIL_PASSWD) |
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339 ngx_log_debug2(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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340 "mail auth plain: \"%V\" \"%V\"", &s->login, &s->passwd); |
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341 #endif |
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342 |
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343 return NGX_DONE; |
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344 } |
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345 |
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346 |
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347 ngx_int_t |
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348 ngx_mail_auth_login_username(ngx_mail_session_t *s, ngx_connection_t *c) |
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349 { |
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350 ngx_str_t *arg; |
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351 |
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352 arg = s->args.elts; |
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353 |
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354 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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355 "mail auth login username: \"%V\"", &arg[0]); |
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356 |
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357 s->login.data = ngx_palloc(c->pool, ngx_base64_decoded_length(arg[0].len)); |
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358 if (s->login.data == NULL){ |
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359 return NGX_ERROR; |
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360 } |
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361 |
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362 if (ngx_decode_base64(&s->login, &arg[0]) != NGX_OK) { |
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363 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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364 "client sent invalid base64 encoding in AUTH LOGIN command"); |
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365 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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366 } |
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367 |
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368 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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369 "mail auth login username: \"%V\"", &s->login); |
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370 |
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371 return NGX_OK; |
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372 } |
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373 |
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374 |
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375 ngx_int_t |
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376 ngx_mail_auth_login_password(ngx_mail_session_t *s, ngx_connection_t *c) |
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377 { |
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378 ngx_str_t *arg; |
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379 |
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380 arg = s->args.elts; |
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381 |
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382 #if (NGX_DEBUG_MAIL_PASSWD) |
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383 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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384 "mail auth login password: \"%V\"", &arg[0]); |
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385 #endif |
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386 |
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387 s->passwd.data = ngx_palloc(c->pool, ngx_base64_decoded_length(arg[0].len)); |
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388 if (s->passwd.data == NULL){ |
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389 return NGX_ERROR; |
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390 } |
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391 |
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392 if (ngx_decode_base64(&s->passwd, &arg[0]) != NGX_OK) { |
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393 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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394 "client sent invalid base64 encoding in AUTH LOGIN command"); |
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395 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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396 } |
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397 |
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398 #if (NGX_DEBUG_MAIL_PASSWD) |
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399 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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400 "mail auth login password: \"%V\"", &s->passwd); |
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401 #endif |
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|
402 |
|
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|
403 return NGX_DONE; |
|
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diff
changeset
|
404 } |
|
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parents:
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diff
changeset
|
405 |
|
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parents:
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diff
changeset
|
406 |
|
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changeset
|
407 ngx_int_t |
|
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|
408 ngx_mail_auth_cram_md5(ngx_mail_session_t *s, ngx_connection_t *c) |
|
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|
409 { |
|
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|
410 u_char *p, *last; |
|
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|
411 ngx_str_t *arg; |
|
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|
412 |
|
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|
413 arg = s->args.elts; |
|
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changeset
|
414 |
|
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|
415 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
|
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|
416 "mail auth cram-md5: \"%V\"", &arg[0]); |
|
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|
417 |
|
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changeset
|
418 s->login.data = ngx_palloc(c->pool, ngx_base64_decoded_length(arg[0].len)); |
|
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|
419 if (s->login.data == NULL){ |
|
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|
420 return NGX_ERROR; |
|
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parents:
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|
421 } |
|
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parents:
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|
422 |
|
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parents:
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changeset
|
423 if (ngx_decode_base64(&s->login, &arg[0]) != NGX_OK) { |
|
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diff
changeset
|
424 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
|
67578e966dcc
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changeset
|
425 "client sent invalid base64 encoding in AUTH CRAM-MD5 command"); |
|
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changeset
|
426 return NGX_MAIL_PARSE_INVALID_COMMAND; |
|
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parents:
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diff
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|
427 } |
|
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parents:
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changeset
|
428 |
|
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changeset
|
429 p = s->login.data; |
|
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|
430 last = p + s->login.len; |
|
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|
431 |
|
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changeset
|
432 while (p < last) { |
|
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changeset
|
433 if (*p++ == ' ') { |
|
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parents:
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diff
changeset
|
434 s->login.len = p - s->login.data - 1; |
|
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parents:
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changeset
|
435 s->passwd.len = last - p; |
|
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parents:
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diff
changeset
|
436 s->passwd.data = p; |
|
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diff
changeset
|
437 break; |
|
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diff
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|
438 } |
|
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parents:
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changeset
|
439 } |
|
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parents:
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diff
changeset
|
440 |
|
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parents:
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diff
changeset
|
441 if (s->passwd.len != 32) { |
|
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split pop3, imap, and smtp handlers
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parents:
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diff
changeset
|
442 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
|
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parents:
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diff
changeset
|
443 "client sent invalid CRAM-MD5 hash in AUTH CRAM-MD5 command"); |
|
67578e966dcc
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parents:
1472
diff
changeset
|
444 return NGX_MAIL_PARSE_INVALID_COMMAND; |
|
67578e966dcc
split pop3, imap, and smtp handlers
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parents:
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diff
changeset
|
445 } |
|
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parents:
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diff
changeset
|
446 |
|
67578e966dcc
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parents:
1472
diff
changeset
|
447 ngx_log_debug2(NGX_LOG_DEBUG_MAIL, c->log, 0, |
|
67578e966dcc
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parents:
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diff
changeset
|
448 "mail auth cram-md5: \"%V\" \"%V\"", &s->login, &s->passwd); |
|
67578e966dcc
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diff
changeset
|
449 |
|
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parents:
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diff
changeset
|
450 s->auth_method = NGX_MAIL_AUTH_CRAM_MD5; |
|
67578e966dcc
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diff
changeset
|
451 |
|
67578e966dcc
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parents:
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diff
changeset
|
452 return NGX_DONE; |
| 539 | 453 } |
| 454 | |
| 455 | |
| 456 void | |
| 1136 | 457 ngx_mail_send(ngx_event_t *wev) |
| 539 | 458 { |
| 541 | 459 ngx_int_t n; |
| 460 ngx_connection_t *c; | |
| 1136 | 461 ngx_mail_session_t *s; |
| 462 ngx_mail_core_srv_conf_t *cscf; | |
| 539 | 463 |
| 464 c = wev->data; | |
| 465 s = c->data; | |
| 466 | |
| 467 if (wev->timedout) { | |
| 468 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out"); | |
| 577 | 469 c->timedout = 1; |
| 1136 | 470 ngx_mail_close_connection(c); |
| 539 | 471 return; |
| 472 } | |
| 473 | |
| 474 if (s->out.len == 0) { | |
| 475 if (ngx_handle_write_event(c->write, 0) == NGX_ERROR) { | |
| 1136 | 476 ngx_mail_close_connection(c); |
| 539 | 477 } |
| 478 | |
| 479 return; | |
| 480 } | |
| 481 | |
| 482 n = c->send(c, s->out.data, s->out.len); | |
| 483 | |
| 484 if (n > 0) { | |
| 485 s->out.len -= n; | |
| 486 | |
| 541 | 487 if (wev->timer_set) { |
| 488 ngx_del_timer(wev); | |
| 489 } | |
| 490 | |
| 539 | 491 if (s->quit) { |
| 1136 | 492 ngx_mail_close_connection(c); |
| 539 | 493 return; |
| 494 } | |
| 495 | |
| 496 if (s->blocked) { | |
| 497 c->read->handler(c->read); | |
| 498 } | |
| 499 | |
| 500 return; | |
| 501 } | |
| 502 | |
| 503 if (n == NGX_ERROR) { | |
| 1136 | 504 ngx_mail_close_connection(c); |
| 539 | 505 return; |
| 506 } | |
| 507 | |
| 508 /* n == NGX_AGAIN */ | |
| 509 | |
| 1136 | 510 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
| 541 | 511 |
| 512 ngx_add_timer(c->write, cscf->timeout); | |
| 513 | |
| 539 | 514 if (ngx_handle_write_event(c->write, 0) == NGX_ERROR) { |
| 1136 | 515 ngx_mail_close_connection(c); |
| 539 | 516 return; |
| 517 } | |
|
413
de9d4726e28a
nginx-0.0.10-2004-08-31-23:05:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
518 } |
|
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
519 |
|
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
520 |
|
1476
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diff
changeset
|
521 ngx_int_t |
| 1136 | 522 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
|
523 { |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
524 ssize_t n; |
|
33a8253115b4
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Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
525 ngx_int_t rc; |
|
1108
109e8c7d7cc1
return error for too long commands
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parents:
1107
diff
changeset
|
526 ngx_str_t l; |
|
420
33a8253115b4
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Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
527 |
| 539 | 528 n = s->connection->recv(s->connection, s->buffer->last, |
| 529 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
|
530 |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
531 if (n == NGX_ERROR || n == 0) { |
| 1136 | 532 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
|
533 return NGX_ERROR; |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
534 } |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
535 |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
536 if (n > 0) { |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
537 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
|
538 } |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
539 |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
540 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
|
541 if (ngx_handle_read_event(s->connection->read, 0) == NGX_ERROR) { |
| 1136 | 542 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
|
543 return NGX_ERROR; |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
544 } |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
545 |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
546 return NGX_AGAIN; |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
547 } |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
548 |
| 1477 | 549 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
|
550 |
|
1108
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
551 if (rc == NGX_AGAIN) { |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
552 |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
553 if (s->buffer->last < s->buffer->end) { |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
554 return rc; |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
555 } |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
556 |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
557 l.len = s->buffer->last - s->buffer->start; |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
558 l.data = s->buffer->start; |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
559 |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
560 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
|
561 "client sent too long command \"%V\"", &l); |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
562 |
|
1111
b0fc4af1f196
close connection for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1108
diff
changeset
|
563 s->quit = 1; |
|
b0fc4af1f196
close connection for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1108
diff
changeset
|
564 |
| 1136 | 565 return NGX_MAIL_PARSE_INVALID_COMMAND; |
|
1108
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
566 } |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
567 |
| 1136 | 568 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
|
569 return rc; |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
570 } |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
571 |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
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572 if (rc == NGX_ERROR) { |
| 1136 | 573 ngx_mail_close_connection(s->connection); |
|
420
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574 return NGX_ERROR; |
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575 } |
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576 |
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577 return NGX_OK; |
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578 } |
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579 |
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580 |
| 521 | 581 void |
|
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582 ngx_mail_auth(ngx_mail_session_t *s) |
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583 { |
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584 s->args.nelts = 0; |
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585 s->buffer->pos = s->buffer->start; |
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586 s->buffer->last = s->buffer->start; |
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587 s->state = 0; |
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588 |
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589 if (s->connection->read->timer_set) { |
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590 ngx_del_timer(s->connection->read); |
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591 } |
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592 |
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593 s->login_attempt++; |
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594 |
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595 ngx_mail_auth_http_init(s); |
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596 } |
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597 |
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598 |
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599 void |
| 1136 | 600 ngx_mail_session_internal_server_error(ngx_mail_session_t *s) |
| 525 | 601 { |
| 539 | 602 s->out = internal_server_errors[s->protocol]; |
| 603 s->quit = 1; | |
| 525 | 604 |
| 1136 | 605 ngx_mail_send(s->connection->write); |
| 525 | 606 } |
| 607 | |
| 608 | |
| 609 void | |
| 1136 | 610 ngx_mail_close_connection(ngx_connection_t *c) |
|
417
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611 { |
| 479 | 612 ngx_pool_t *pool; |
| 613 | |
| 1136 | 614 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
| 615 "close mail connection: %d", c->fd); | |
|
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616 |
| 1136 | 617 #if (NGX_MAIL_SSL) |
| 539 | 618 |
| 619 if (c->ssl) { | |
| 620 if (ngx_ssl_shutdown(c) == NGX_AGAIN) { | |
| 1136 | 621 c->ssl->handler = ngx_mail_close_connection; |
| 539 | 622 return; |
| 623 } | |
| 624 } | |
| 625 | |
| 626 #endif | |
| 627 | |
|
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628 #if (NGX_STAT_STUB) |
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629 ngx_atomic_fetch_add(ngx_stat_active, -1); |
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630 #endif |
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631 |
| 583 | 632 c->destroyed = 1; |
| 543 | 633 |
| 479 | 634 pool = c->pool; |
| 635 | |
|
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636 ngx_close_connection(c); |
| 479 | 637 |
| 501 | 638 ngx_destroy_pool(pool); |
|
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639 } |
| 539 | 640 |
| 641 | |
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642 u_char * |
| 1136 | 643 ngx_mail_log_error(ngx_log_t *log, u_char *buf, size_t len) |
| 541 | 644 { |
| 567 | 645 u_char *p; |
| 1136 | 646 ngx_mail_session_t *s; |
| 647 ngx_mail_log_ctx_t *ctx; | |
| 541 | 648 |
| 649 if (log->action) { | |
| 650 p = ngx_snprintf(buf, len, " while %s", log->action); | |
| 651 len -= p - buf; | |
| 652 buf = p; | |
| 653 } | |
| 577 | 654 |
| 541 | 655 ctx = log->data; |
| 656 | |
| 657 p = ngx_snprintf(buf, len, ", client: %V", ctx->client); | |
| 658 len -= p - buf; | |
| 659 buf = p; | |
| 660 | |
| 661 s = ctx->session; | |
| 662 | |
| 663 if (s == NULL) { | |
| 664 return p; | |
| 665 } | |
| 666 | |
| 641 | 667 p = ngx_snprintf(buf, len, ", server: %V", s->addr_text); |
| 541 | 668 len -= p - buf; |
| 669 buf = p; | |
| 670 | |
| 671 if (s->login.len == 0) { | |
| 672 return p; | |
| 673 } | |
| 674 | |
| 675 p = ngx_snprintf(buf, len, ", login: \"%V\"", &s->login); | |
| 676 len -= p - buf; | |
| 677 buf = p; | |
| 678 | |
| 679 if (s->proxy == NULL) { | |
| 680 return p; | |
| 681 } | |
| 682 | |
| 884 | 683 p = ngx_snprintf(buf, len, ", upstream: %V", s->proxy->upstream.name); |
| 541 | 684 |
| 685 return p; | |
| 686 } |