Mercurial > hg > nginx
annotate src/mail/ngx_mail_handler.c @ 1491:93ff27726d2e
log starttls
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Thu, 20 Sep 2007 11:08:14 +0000 |
| parents | f69493e8faab |
| children | 6535fb51976a |
| 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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20 |
| 521 | 21 void |
| 1136 | 22 ngx_mail_init_connection(ngx_connection_t *c) |
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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; | |
| 32 #if (NGX_MAIL_SSL) | |
| 33 ngx_mail_ssl_conf_t *sslcf; | |
| 543 | 34 #endif |
| 541 | 35 |
| 641 | 36 |
| 37 /* find the server configuration for the address:port */ | |
| 38 | |
| 39 /* AF_INET only */ | |
| 40 | |
| 41 imip = c->listening->servers; | |
| 42 imia = imip->addrs; | |
| 43 | |
| 44 i = 0; | |
| 45 | |
| 46 if (imip->naddrs > 1) { | |
| 47 | |
| 48 /* | |
| 49 * There are several addresses on this port and one of them | |
| 50 * is the "*:port" wildcard so getsockname() is needed to determine | |
| 51 * the server address. | |
| 52 * | |
| 53 * AcceptEx() already gave this address. | |
| 54 */ | |
| 55 | |
| 56 #if (NGX_WIN32) | |
| 57 if (c->local_sockaddr) { | |
| 58 in_addr = | |
| 59 ((struct sockaddr_in *) c->local_sockaddr)->sin_addr.s_addr; | |
| 541 | 60 |
| 641 | 61 } else |
| 62 #endif | |
| 63 { | |
| 64 len = sizeof(struct sockaddr_in); | |
| 65 if (getsockname(c->fd, (struct sockaddr *) &sin, &len) == -1) { | |
| 66 ngx_connection_error(c, ngx_socket_errno, | |
| 67 "getsockname() failed"); | |
| 1136 | 68 ngx_mail_close_connection(c); |
| 641 | 69 return; |
| 70 } | |
| 71 | |
| 72 in_addr = sin.sin_addr.s_addr; | |
| 73 } | |
| 74 | |
| 75 /* the last address is "*" */ | |
| 76 | |
| 77 for ( /* void */ ; i < imip->naddrs - 1; i++) { | |
| 78 if (in_addr == imia[i].addr) { | |
| 79 break; | |
| 80 } | |
| 81 } | |
| 82 } | |
| 83 | |
| 84 | |
| 1136 | 85 s = ngx_pcalloc(c->pool, sizeof(ngx_mail_session_t)); |
| 641 | 86 if (s == NULL) { |
| 1136 | 87 ngx_mail_close_connection(c); |
| 541 | 88 return; |
| 577 | 89 } |
| 541 | 90 |
| 641 | 91 s->main_conf = imia[i].ctx->main_conf; |
| 92 s->srv_conf = imia[i].ctx->srv_conf; | |
| 93 | |
| 94 s->addr_text = &imia[i].addr_text; | |
| 95 | |
| 96 c->data = s; | |
| 97 s->connection = c; | |
| 98 | |
| 99 ngx_log_error(NGX_LOG_INFO, c->log, 0, "*%ui client %V connected to %V", | |
| 100 c->number, &c->addr_text, s->addr_text); | |
| 101 | |
| 1136 | 102 ctx = ngx_palloc(c->pool, sizeof(ngx_mail_log_ctx_t)); |
| 641 | 103 if (ctx == NULL) { |
| 1136 | 104 ngx_mail_close_connection(c); |
| 641 | 105 return; |
| 106 } | |
| 107 | |
| 108 ctx->client = &c->addr_text; | |
| 109 ctx->session = s; | |
| 541 | 110 |
| 111 c->log->connection = c->number; | |
| 1136 | 112 c->log->handler = ngx_mail_log_error; |
| 641 | 113 c->log->data = ctx; |
| 541 | 114 c->log->action = "sending client greeting line"; |
| 115 | |
| 116 c->log_error = NGX_ERROR_INFO; | |
| 117 | |
| 1136 | 118 #if (NGX_MAIL_SSL) |
| 543 | 119 |
| 1136 | 120 sslcf = ngx_mail_get_module_srv_conf(s, ngx_mail_ssl_module); |
| 543 | 121 |
| 122 if (sslcf->enable) { | |
| 1136 | 123 ngx_mail_ssl_init_connection(&sslcf->ssl, c); |
| 547 | 124 return; |
| 543 | 125 } |
| 126 | |
| 127 #endif | |
| 128 | |
| 1136 | 129 ngx_mail_init_session(c); |
| 541 | 130 } |
| 131 | |
| 132 | |
| 1136 | 133 #if (NGX_MAIL_SSL) |
| 547 | 134 |
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135 void |
| 1136 | 136 ngx_mail_starttls_handler(ngx_event_t *rev) |
| 583 | 137 { |
| 138 ngx_connection_t *c; | |
| 1136 | 139 ngx_mail_session_t *s; |
| 140 ngx_mail_ssl_conf_t *sslcf; | |
| 583 | 141 |
| 142 c = rev->data; | |
| 143 s = c->data; | |
| 641 | 144 s->starttls = 1; |
| 583 | 145 |
| 146 c->log->action = "in starttls state"; | |
| 147 | |
| 1136 | 148 sslcf = ngx_mail_get_module_srv_conf(s, ngx_mail_ssl_module); |
| 583 | 149 |
| 1136 | 150 ngx_mail_ssl_init_connection(&sslcf->ssl, c); |
| 583 | 151 } |
| 152 | |
| 153 | |
| 154 static void | |
| 1136 | 155 ngx_mail_ssl_init_connection(ngx_ssl_t *ssl, ngx_connection_t *c) |
| 583 | 156 { |
| 1136 | 157 ngx_mail_session_t *s; |
| 158 ngx_mail_core_srv_conf_t *cscf; | |
| 583 | 159 |
| 160 if (ngx_ssl_create_connection(ssl, c, 0) == NGX_ERROR) { | |
| 1136 | 161 ngx_mail_close_connection(c); |
| 583 | 162 return; |
| 163 } | |
| 164 | |
| 165 if (ngx_ssl_handshake(c) == NGX_AGAIN) { | |
| 166 | |
| 641 | 167 s = c->data; |
| 168 | |
| 1136 | 169 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
| 583 | 170 |
| 171 ngx_add_timer(c->read, cscf->timeout); | |
| 172 | |
| 1136 | 173 c->ssl->handler = ngx_mail_ssl_handshake_handler; |
| 583 | 174 |
| 175 return; | |
| 176 } | |
| 177 | |
| 1136 | 178 ngx_mail_ssl_handshake_handler(c); |
| 583 | 179 } |
| 180 | |
| 181 | |
| 182 static void | |
| 1136 | 183 ngx_mail_ssl_handshake_handler(ngx_connection_t *c) |
| 577 | 184 { |
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185 ngx_mail_session_t *s; |
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186 ngx_mail_core_srv_conf_t *cscf; |
| 641 | 187 |
| 547 | 188 if (c->ssl->handshaked) { |
| 583 | 189 |
| 641 | 190 s = c->data; |
| 191 | |
| 192 if (s->starttls) { | |
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193 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
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194 |
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195 c->read->handler = cscf->protocol->init_protocol; |
| 1136 | 196 c->write->handler = ngx_mail_send; |
| 583 | 197 |
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198 cscf->protocol->init_protocol(c->read); |
| 583 | 199 |
| 200 return; | |
| 201 } | |
| 202 | |
| 1136 | 203 ngx_mail_init_session(c); |
| 547 | 204 return; |
| 205 } | |
| 206 | |
| 1136 | 207 ngx_mail_close_connection(c); |
| 547 | 208 } |
| 209 | |
| 210 #endif | |
| 211 | |
| 212 | |
| 213 static void | |
| 1136 | 214 ngx_mail_init_session(ngx_connection_t *c) |
| 541 | 215 { |
| 1136 | 216 ngx_mail_session_t *s; |
| 217 ngx_mail_core_srv_conf_t *cscf; | |
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218 |
| 641 | 219 s = c->data; |
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220 |
| 1136 | 221 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
| 539 | 222 |
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223 s->protocol = cscf->protocol->type; |
| 539 | 224 |
| 1136 | 225 s->ctx = ngx_pcalloc(c->pool, sizeof(void *) * ngx_mail_max_module); |
| 539 | 226 if (s->ctx == NULL) { |
| 1136 | 227 ngx_mail_session_internal_server_error(s); |
| 539 | 228 return; |
| 229 } | |
| 230 | |
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231 c->write->handler = ngx_mail_send; |
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232 |
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233 cscf->protocol->init_session(s, c); |
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234 } |
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235 |
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236 |
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237 ngx_int_t |
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238 ngx_mail_salt(ngx_mail_session_t *s, ngx_connection_t *c, |
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239 ngx_mail_core_srv_conf_t *cscf) |
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240 { |
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241 s->salt.data = ngx_palloc(c->pool, |
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242 sizeof(" <18446744073709551616.@>" CRLF) - 1 |
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243 + NGX_TIME_T_LEN |
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244 + cscf->server_name.len); |
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245 if (s->salt.data == NULL) { |
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246 return NGX_ERROR; |
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247 } |
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248 |
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249 s->salt.len = ngx_sprintf(s->salt.data, "<%ul.%T@%V>" CRLF, |
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250 ngx_random(), ngx_time(), &cscf->server_name) |
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251 - s->salt.data; |
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252 |
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253 return NGX_OK; |
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254 } |
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255 |
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256 |
| 1479 | 257 #if (NGX_MAIL_SSL) |
| 258 | |
| 259 ngx_int_t | |
| 260 ngx_mail_starttls_only(ngx_mail_session_t *s, ngx_connection_t *c) | |
| 261 { | |
| 262 ngx_mail_ssl_conf_t *sslcf; | |
| 263 | |
| 264 if (c->ssl) { | |
| 265 return 0; | |
| 266 } | |
| 267 | |
| 268 sslcf = ngx_mail_get_module_srv_conf(s, ngx_mail_ssl_module); | |
| 269 | |
| 270 if (sslcf->starttls == NGX_MAIL_STARTTLS_ONLY) { | |
| 271 return 1; | |
| 272 } | |
| 273 | |
| 274 return 0; | |
| 275 } | |
| 276 | |
| 277 #endif | |
| 278 | |
| 279 | |
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280 ngx_int_t |
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281 ngx_mail_auth_plain(ngx_mail_session_t *s, ngx_connection_t *c, ngx_uint_t n) |
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282 { |
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283 u_char *p, *last; |
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284 ngx_str_t *arg, plain; |
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285 |
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286 arg = s->args.elts; |
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287 |
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288 #if (NGX_DEBUG_MAIL_PASSWD) |
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289 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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290 "mail auth plain: \"%V\"", &arg[n]); |
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291 #endif |
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292 |
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293 plain.data = ngx_palloc(c->pool, ngx_base64_decoded_length(arg[n].len)); |
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294 if (plain.data == NULL){ |
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295 return NGX_ERROR; |
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296 } |
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297 |
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298 if (ngx_decode_base64(&plain, &arg[0]) != NGX_OK) { |
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299 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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300 "client sent invalid base64 encoding in AUTH PLAIN command"); |
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301 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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302 } |
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303 |
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304 p = plain.data; |
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305 last = p + plain.len; |
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306 |
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307 while (p < last && *p++) { /* void */ } |
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308 |
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309 if (p == last) { |
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310 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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311 "client sent invalid login in AUTH PLAIN command"); |
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312 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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313 } |
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314 |
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315 s->login.data = p; |
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316 |
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317 while (p < last && *p) { p++; } |
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318 |
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319 if (p == last) { |
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320 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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321 "client sent invalid password in AUTH PLAIN command"); |
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322 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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323 } |
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324 |
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325 s->login.len = p++ - s->login.data; |
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326 |
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327 s->passwd.len = last - p; |
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328 s->passwd.data = p; |
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329 |
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330 #if (NGX_DEBUG_MAIL_PASSWD) |
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331 ngx_log_debug2(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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332 "mail auth plain: \"%V\" \"%V\"", &s->login, &s->passwd); |
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333 #endif |
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334 |
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335 return NGX_DONE; |
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336 } |
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337 |
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338 |
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339 ngx_int_t |
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340 ngx_mail_auth_login_username(ngx_mail_session_t *s, ngx_connection_t *c) |
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341 { |
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342 ngx_str_t *arg; |
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343 |
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344 arg = s->args.elts; |
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345 |
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346 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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347 "mail auth login username: \"%V\"", &arg[0]); |
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348 |
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349 s->login.data = ngx_palloc(c->pool, ngx_base64_decoded_length(arg[0].len)); |
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350 if (s->login.data == NULL){ |
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351 return NGX_ERROR; |
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352 } |
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353 |
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354 if (ngx_decode_base64(&s->login, &arg[0]) != NGX_OK) { |
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355 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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356 "client sent invalid base64 encoding in AUTH LOGIN command"); |
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357 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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358 } |
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359 |
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360 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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361 "mail auth login username: \"%V\"", &s->login); |
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362 |
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363 return NGX_OK; |
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364 } |
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365 |
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366 |
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367 ngx_int_t |
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368 ngx_mail_auth_login_password(ngx_mail_session_t *s, ngx_connection_t *c) |
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369 { |
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370 ngx_str_t *arg; |
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371 |
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372 arg = s->args.elts; |
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373 |
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374 #if (NGX_DEBUG_MAIL_PASSWD) |
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375 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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376 "mail auth login password: \"%V\"", &arg[0]); |
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377 #endif |
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378 |
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379 s->passwd.data = ngx_palloc(c->pool, ngx_base64_decoded_length(arg[0].len)); |
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380 if (s->passwd.data == NULL){ |
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381 return NGX_ERROR; |
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382 } |
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383 |
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384 if (ngx_decode_base64(&s->passwd, &arg[0]) != NGX_OK) { |
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385 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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386 "client sent invalid base64 encoding in AUTH LOGIN command"); |
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387 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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388 } |
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389 |
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390 #if (NGX_DEBUG_MAIL_PASSWD) |
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391 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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392 "mail auth login password: \"%V\"", &s->passwd); |
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393 #endif |
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394 |
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395 return NGX_DONE; |
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396 } |
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397 |
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398 |
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399 ngx_int_t |
| 1479 | 400 ngx_mail_auth_cram_md5_salt(ngx_mail_session_t *s, ngx_connection_t *c, |
| 401 char *prefix, size_t len) | |
| 402 { | |
| 403 u_char *p; | |
| 404 ngx_str_t salt; | |
| 405 ngx_uint_t n; | |
| 406 | |
| 407 p = ngx_palloc(c->pool, len + ngx_base64_encoded_length(s->salt.len) + 2); | |
| 408 if (p == NULL) { | |
| 409 return NGX_ERROR; | |
| 410 } | |
| 411 | |
| 412 salt.data = ngx_cpymem(p, prefix, len); | |
| 413 s->salt.len -= 2; | |
| 414 | |
| 415 ngx_encode_base64(&salt, &s->salt); | |
| 416 | |
| 417 s->salt.len += 2; | |
| 418 n = len + salt.len; | |
| 419 p[n++] = CR; p[n++] = LF; | |
| 420 | |
| 421 s->out.len = n; | |
| 422 s->out.data = p; | |
| 423 | |
| 424 return NGX_OK; | |
| 425 } | |
| 426 | |
| 427 | |
| 428 ngx_int_t | |
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diff
changeset
|
429 ngx_mail_auth_cram_md5(ngx_mail_session_t *s, ngx_connection_t *c) |
|
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diff
changeset
|
430 { |
|
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diff
changeset
|
431 u_char *p, *last; |
|
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changeset
|
432 ngx_str_t *arg; |
|
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diff
changeset
|
433 |
|
67578e966dcc
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parents:
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diff
changeset
|
434 arg = s->args.elts; |
|
67578e966dcc
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parents:
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diff
changeset
|
435 |
|
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parents:
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diff
changeset
|
436 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
|
67578e966dcc
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parents:
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diff
changeset
|
437 "mail auth cram-md5: \"%V\"", &arg[0]); |
|
67578e966dcc
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parents:
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diff
changeset
|
438 |
|
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parents:
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diff
changeset
|
439 s->login.data = ngx_palloc(c->pool, ngx_base64_decoded_length(arg[0].len)); |
|
67578e966dcc
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parents:
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changeset
|
440 if (s->login.data == NULL){ |
|
67578e966dcc
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parents:
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diff
changeset
|
441 return NGX_ERROR; |
|
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parents:
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changeset
|
442 } |
|
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parents:
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diff
changeset
|
443 |
|
67578e966dcc
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parents:
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diff
changeset
|
444 if (ngx_decode_base64(&s->login, &arg[0]) != NGX_OK) { |
|
67578e966dcc
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parents:
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diff
changeset
|
445 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
|
67578e966dcc
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parents:
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diff
changeset
|
446 "client sent invalid base64 encoding in AUTH CRAM-MD5 command"); |
|
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parents:
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diff
changeset
|
447 return NGX_MAIL_PARSE_INVALID_COMMAND; |
|
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parents:
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diff
changeset
|
448 } |
|
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parents:
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diff
changeset
|
449 |
|
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parents:
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diff
changeset
|
450 p = s->login.data; |
|
67578e966dcc
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parents:
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diff
changeset
|
451 last = p + s->login.len; |
|
67578e966dcc
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parents:
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diff
changeset
|
452 |
|
67578e966dcc
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parents:
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diff
changeset
|
453 while (p < last) { |
|
67578e966dcc
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parents:
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diff
changeset
|
454 if (*p++ == ' ') { |
|
67578e966dcc
split pop3, imap, and smtp handlers
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parents:
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diff
changeset
|
455 s->login.len = p - s->login.data - 1; |
|
67578e966dcc
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parents:
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diff
changeset
|
456 s->passwd.len = last - p; |
|
67578e966dcc
split pop3, imap, and smtp handlers
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parents:
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diff
changeset
|
457 s->passwd.data = p; |
|
67578e966dcc
split pop3, imap, and smtp handlers
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parents:
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diff
changeset
|
458 break; |
|
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parents:
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diff
changeset
|
459 } |
|
67578e966dcc
split pop3, imap, and smtp handlers
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parents:
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diff
changeset
|
460 } |
|
67578e966dcc
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parents:
1472
diff
changeset
|
461 |
|
67578e966dcc
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Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
462 if (s->passwd.len != 32) { |
|
67578e966dcc
split pop3, imap, and smtp handlers
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parents:
1472
diff
changeset
|
463 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
|
67578e966dcc
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parents:
1472
diff
changeset
|
464 "client sent invalid CRAM-MD5 hash in AUTH CRAM-MD5 command"); |
|
67578e966dcc
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parents:
1472
diff
changeset
|
465 return NGX_MAIL_PARSE_INVALID_COMMAND; |
|
67578e966dcc
split pop3, imap, and smtp handlers
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parents:
1472
diff
changeset
|
466 } |
|
67578e966dcc
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parents:
1472
diff
changeset
|
467 |
|
67578e966dcc
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Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
468 ngx_log_debug2(NGX_LOG_DEBUG_MAIL, c->log, 0, |
|
67578e966dcc
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Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
469 "mail auth cram-md5: \"%V\" \"%V\"", &s->login, &s->passwd); |
|
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
470 |
|
67578e966dcc
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Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
471 s->auth_method = NGX_MAIL_AUTH_CRAM_MD5; |
|
67578e966dcc
split pop3, imap, and smtp handlers
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parents:
1472
diff
changeset
|
472 |
|
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
473 return NGX_DONE; |
| 539 | 474 } |
| 475 | |
| 476 | |
| 477 void | |
| 1136 | 478 ngx_mail_send(ngx_event_t *wev) |
| 539 | 479 { |
| 541 | 480 ngx_int_t n; |
| 481 ngx_connection_t *c; | |
| 1136 | 482 ngx_mail_session_t *s; |
| 483 ngx_mail_core_srv_conf_t *cscf; | |
| 539 | 484 |
| 485 c = wev->data; | |
| 486 s = c->data; | |
| 487 | |
| 488 if (wev->timedout) { | |
| 489 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out"); | |
| 577 | 490 c->timedout = 1; |
| 1136 | 491 ngx_mail_close_connection(c); |
| 539 | 492 return; |
| 493 } | |
| 494 | |
| 495 if (s->out.len == 0) { | |
| 496 if (ngx_handle_write_event(c->write, 0) == NGX_ERROR) { | |
| 1136 | 497 ngx_mail_close_connection(c); |
| 539 | 498 } |
| 499 | |
| 500 return; | |
| 501 } | |
| 502 | |
| 503 n = c->send(c, s->out.data, s->out.len); | |
| 504 | |
| 505 if (n > 0) { | |
| 506 s->out.len -= n; | |
| 507 | |
| 541 | 508 if (wev->timer_set) { |
| 509 ngx_del_timer(wev); | |
| 510 } | |
| 511 | |
| 539 | 512 if (s->quit) { |
| 1136 | 513 ngx_mail_close_connection(c); |
| 539 | 514 return; |
| 515 } | |
| 516 | |
| 517 if (s->blocked) { | |
| 518 c->read->handler(c->read); | |
| 519 } | |
| 520 | |
| 521 return; | |
| 522 } | |
| 523 | |
| 524 if (n == NGX_ERROR) { | |
| 1136 | 525 ngx_mail_close_connection(c); |
| 539 | 526 return; |
| 527 } | |
| 528 | |
| 529 /* n == NGX_AGAIN */ | |
| 530 | |
| 1136 | 531 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
| 541 | 532 |
| 533 ngx_add_timer(c->write, cscf->timeout); | |
| 534 | |
| 539 | 535 if (ngx_handle_write_event(c->write, 0) == NGX_ERROR) { |
| 1136 | 536 ngx_mail_close_connection(c); |
| 539 | 537 return; |
| 538 } | |
|
413
de9d4726e28a
nginx-0.0.10-2004-08-31-23:05:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
539 } |
|
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
540 |
|
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
541 |
|
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
542 ngx_int_t |
| 1482 | 543 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
|
544 { |
|
1487
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
545 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
|
546 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
|
547 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
|
548 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
|
549 |
| 1482 | 550 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
|
551 |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
552 if (n == NGX_ERROR || n == 0) { |
| 1482 | 553 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
|
554 return NGX_ERROR; |
|
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 |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
557 if (n > 0) { |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
558 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
|
559 } |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
560 |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
561 if (n == NGX_AGAIN) { |
| 1482 | 562 if (ngx_handle_read_event(c->read, 0) == NGX_ERROR) { |
| 1136 | 563 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
|
564 return NGX_ERROR; |
|
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 |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
567 return NGX_AGAIN; |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
568 } |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
569 |
|
1487
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
570 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
|
571 |
|
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
572 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
|
573 |
|
1108
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
574 if (rc == NGX_AGAIN) { |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
575 |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
576 if (s->buffer->last < s->buffer->end) { |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
577 return rc; |
|
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 |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
580 l.len = s->buffer->last - s->buffer->start; |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
581 l.data = s->buffer->start; |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
582 |
| 1482 | 583 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
|
584 "client sent too long command \"%V\"", &l); |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
585 |
|
1111
b0fc4af1f196
close connection for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1108
diff
changeset
|
586 s->quit = 1; |
|
b0fc4af1f196
close connection for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1108
diff
changeset
|
587 |
| 1136 | 588 return NGX_MAIL_PARSE_INVALID_COMMAND; |
|
1108
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
589 } |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
590 |
| 1136 | 591 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
|
592 return rc; |
|
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 |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
595 if (rc == NGX_ERROR) { |
| 1482 | 596 ngx_mail_close_connection(c); |
|
420
33a8253115b4
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597 return NGX_ERROR; |
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598 } |
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599 |
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600 return NGX_OK; |
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601 } |
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602 |
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603 |
| 521 | 604 void |
| 1482 | 605 ngx_mail_auth(ngx_mail_session_t *s, ngx_connection_t *c) |
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606 { |
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607 s->args.nelts = 0; |
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608 s->buffer->pos = s->buffer->start; |
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609 s->buffer->last = s->buffer->start; |
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610 s->state = 0; |
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611 |
| 1482 | 612 if (c->read->timer_set) { |
| 613 ngx_del_timer(c->read); | |
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614 } |
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615 |
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616 s->login_attempt++; |
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617 |
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618 ngx_mail_auth_http_init(s); |
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619 } |
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620 |
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621 |
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622 void |
| 1136 | 623 ngx_mail_session_internal_server_error(ngx_mail_session_t *s) |
| 525 | 624 { |
|
1487
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625 ngx_mail_core_srv_conf_t *cscf; |
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626 |
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627 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
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628 |
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629 s->out = cscf->protocol->internal_server_error; |
| 539 | 630 s->quit = 1; |
| 525 | 631 |
| 1136 | 632 ngx_mail_send(s->connection->write); |
| 525 | 633 } |
| 634 | |
| 635 | |
| 636 void | |
| 1136 | 637 ngx_mail_close_connection(ngx_connection_t *c) |
|
417
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638 { |
| 479 | 639 ngx_pool_t *pool; |
| 640 | |
| 1136 | 641 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
| 642 "close mail connection: %d", c->fd); | |
|
417
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643 |
| 1136 | 644 #if (NGX_MAIL_SSL) |
| 539 | 645 |
| 646 if (c->ssl) { | |
| 647 if (ngx_ssl_shutdown(c) == NGX_AGAIN) { | |
| 1136 | 648 c->ssl->handler = ngx_mail_close_connection; |
| 539 | 649 return; |
| 650 } | |
| 651 } | |
| 652 | |
| 653 #endif | |
| 654 | |
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655 #if (NGX_STAT_STUB) |
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656 ngx_atomic_fetch_add(ngx_stat_active, -1); |
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657 #endif |
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658 |
| 583 | 659 c->destroyed = 1; |
| 543 | 660 |
| 479 | 661 pool = c->pool; |
| 662 | |
|
417
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663 ngx_close_connection(c); |
| 479 | 664 |
| 501 | 665 ngx_destroy_pool(pool); |
|
417
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666 } |
| 539 | 667 |
| 668 | |
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669 u_char * |
| 1136 | 670 ngx_mail_log_error(ngx_log_t *log, u_char *buf, size_t len) |
| 541 | 671 { |
| 567 | 672 u_char *p; |
| 1136 | 673 ngx_mail_session_t *s; |
| 674 ngx_mail_log_ctx_t *ctx; | |
| 541 | 675 |
| 676 if (log->action) { | |
| 677 p = ngx_snprintf(buf, len, " while %s", log->action); | |
| 678 len -= p - buf; | |
| 679 buf = p; | |
| 680 } | |
| 577 | 681 |
| 541 | 682 ctx = log->data; |
| 683 | |
| 684 p = ngx_snprintf(buf, len, ", client: %V", ctx->client); | |
| 685 len -= p - buf; | |
| 686 buf = p; | |
| 687 | |
| 688 s = ctx->session; | |
| 689 | |
| 690 if (s == NULL) { | |
| 691 return p; | |
| 692 } | |
| 693 | |
| 1491 | 694 p = ngx_snprintf(buf, len, "%s, server: %V", |
| 695 s->starttls ? " using starttls" : "", | |
| 696 s->addr_text); | |
| 541 | 697 len -= p - buf; |
| 698 buf = p; | |
| 699 | |
| 700 if (s->login.len == 0) { | |
| 701 return p; | |
| 702 } | |
| 703 | |
| 704 p = ngx_snprintf(buf, len, ", login: \"%V\"", &s->login); | |
| 705 len -= p - buf; | |
| 706 buf = p; | |
| 707 | |
| 708 if (s->proxy == NULL) { | |
| 709 return p; | |
| 710 } | |
| 711 | |
| 884 | 712 p = ngx_snprintf(buf, len, ", upstream: %V", s->proxy->upstream.name); |
| 541 | 713 |
| 714 return p; | |
| 715 } |