Mercurial > hg > nginx
annotate src/mail/ngx_mail_handler.c @ 2165:cbf6f2eb57ad
backout both r2162 and r2128 and implement a new fix
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Tue, 12 Aug 2008 12:04:49 +0000 |
| parents | 2a92804f4109 |
| children | 109849282793 |
| 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; | |
| 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 | |
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201 c->read->ready = 0; |
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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 { |
| 2049 | 241 s->salt.data = ngx_pnalloc(c->pool, |
| 242 sizeof(" <18446744073709551616.@>" CRLF) - 1 | |
| 243 + NGX_TIME_T_LEN | |
| 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 |
| 2049 | 293 plain.data = ngx_pnalloc(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[n]) != 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 |
| 2049 | 349 s->login.data = ngx_pnalloc(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 |
| 2049 | 379 s->passwd.data = ngx_pnalloc(c->pool, |
| 380 ngx_base64_decoded_length(arg[0].len)); | |
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381 if (s->passwd.data == NULL){ |
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382 return NGX_ERROR; |
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383 } |
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384 |
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385 if (ngx_decode_base64(&s->passwd, &arg[0]) != NGX_OK) { |
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386 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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387 "client sent invalid base64 encoding in AUTH LOGIN command"); |
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388 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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389 } |
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390 |
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391 #if (NGX_DEBUG_MAIL_PASSWD) |
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392 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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393 "mail auth login password: \"%V\"", &s->passwd); |
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394 #endif |
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395 |
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396 return NGX_DONE; |
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397 } |
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398 |
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399 |
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400 ngx_int_t |
| 1479 | 401 ngx_mail_auth_cram_md5_salt(ngx_mail_session_t *s, ngx_connection_t *c, |
| 402 char *prefix, size_t len) | |
| 403 { | |
| 404 u_char *p; | |
| 405 ngx_str_t salt; | |
| 406 ngx_uint_t n; | |
| 407 | |
| 2049 | 408 p = ngx_pnalloc(c->pool, len + ngx_base64_encoded_length(s->salt.len) + 2); |
| 1479 | 409 if (p == NULL) { |
| 410 return NGX_ERROR; | |
| 411 } | |
| 412 | |
| 413 salt.data = ngx_cpymem(p, prefix, len); | |
| 414 s->salt.len -= 2; | |
| 415 | |
| 416 ngx_encode_base64(&salt, &s->salt); | |
| 417 | |
| 418 s->salt.len += 2; | |
| 419 n = len + salt.len; | |
| 420 p[n++] = CR; p[n++] = LF; | |
| 421 | |
| 422 s->out.len = n; | |
| 423 s->out.data = p; | |
| 424 | |
| 425 return NGX_OK; | |
| 426 } | |
| 427 | |
| 428 | |
| 429 ngx_int_t | |
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changeset
|
430 ngx_mail_auth_cram_md5(ngx_mail_session_t *s, ngx_connection_t *c) |
|
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|
431 { |
|
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|
432 u_char *p, *last; |
|
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|
433 ngx_str_t *arg; |
|
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changeset
|
434 |
|
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parents:
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changeset
|
435 arg = s->args.elts; |
|
67578e966dcc
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parents:
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diff
changeset
|
436 |
|
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parents:
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changeset
|
437 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
|
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changeset
|
438 "mail auth cram-md5: \"%V\"", &arg[0]); |
|
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parents:
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diff
changeset
|
439 |
| 2049 | 440 s->login.data = ngx_pnalloc(c->pool, ngx_base64_decoded_length(arg[0].len)); |
|
1476
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changeset
|
441 if (s->login.data == NULL){ |
|
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parents:
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|
442 return NGX_ERROR; |
|
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parents:
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changeset
|
443 } |
|
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parents:
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diff
changeset
|
444 |
|
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parents:
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diff
changeset
|
445 if (ngx_decode_base64(&s->login, &arg[0]) != NGX_OK) { |
|
67578e966dcc
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parents:
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diff
changeset
|
446 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
|
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parents:
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diff
changeset
|
447 "client sent invalid base64 encoding in AUTH CRAM-MD5 command"); |
|
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parents:
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changeset
|
448 return NGX_MAIL_PARSE_INVALID_COMMAND; |
|
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parents:
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diff
changeset
|
449 } |
|
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parents:
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changeset
|
450 |
|
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parents:
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changeset
|
451 p = s->login.data; |
|
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parents:
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changeset
|
452 last = p + s->login.len; |
|
67578e966dcc
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parents:
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changeset
|
453 |
|
67578e966dcc
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parents:
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diff
changeset
|
454 while (p < last) { |
|
67578e966dcc
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parents:
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diff
changeset
|
455 if (*p++ == ' ') { |
|
67578e966dcc
split pop3, imap, and smtp handlers
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parents:
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diff
changeset
|
456 s->login.len = p - s->login.data - 1; |
|
67578e966dcc
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parents:
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diff
changeset
|
457 s->passwd.len = last - p; |
|
67578e966dcc
split pop3, imap, and smtp handlers
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parents:
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diff
changeset
|
458 s->passwd.data = p; |
|
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parents:
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changeset
|
459 break; |
|
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parents:
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diff
changeset
|
460 } |
|
67578e966dcc
split pop3, imap, and smtp handlers
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parents:
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diff
changeset
|
461 } |
|
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parents:
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diff
changeset
|
462 |
|
67578e966dcc
split pop3, imap, and smtp handlers
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parents:
1472
diff
changeset
|
463 if (s->passwd.len != 32) { |
|
67578e966dcc
split pop3, imap, and smtp handlers
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parents:
1472
diff
changeset
|
464 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
|
67578e966dcc
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parents:
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diff
changeset
|
465 "client sent invalid CRAM-MD5 hash in AUTH CRAM-MD5 command"); |
|
67578e966dcc
split pop3, imap, and smtp handlers
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parents:
1472
diff
changeset
|
466 return NGX_MAIL_PARSE_INVALID_COMMAND; |
|
67578e966dcc
split pop3, imap, and smtp handlers
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parents:
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diff
changeset
|
467 } |
|
67578e966dcc
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parents:
1472
diff
changeset
|
468 |
|
67578e966dcc
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parents:
1472
diff
changeset
|
469 ngx_log_debug2(NGX_LOG_DEBUG_MAIL, c->log, 0, |
|
67578e966dcc
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parents:
1472
diff
changeset
|
470 "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
|
471 |
|
67578e966dcc
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Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
472 s->auth_method = NGX_MAIL_AUTH_CRAM_MD5; |
|
67578e966dcc
split pop3, imap, and smtp handlers
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parents:
1472
diff
changeset
|
473 |
|
67578e966dcc
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Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
474 return NGX_DONE; |
| 539 | 475 } |
| 476 | |
| 477 | |
| 478 void | |
| 1136 | 479 ngx_mail_send(ngx_event_t *wev) |
| 539 | 480 { |
| 541 | 481 ngx_int_t n; |
| 482 ngx_connection_t *c; | |
| 1136 | 483 ngx_mail_session_t *s; |
| 484 ngx_mail_core_srv_conf_t *cscf; | |
| 539 | 485 |
| 486 c = wev->data; | |
| 487 s = c->data; | |
| 488 | |
| 489 if (wev->timedout) { | |
| 490 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out"); | |
| 577 | 491 c->timedout = 1; |
| 1136 | 492 ngx_mail_close_connection(c); |
| 539 | 493 return; |
| 494 } | |
| 495 | |
| 496 if (s->out.len == 0) { | |
| 497 if (ngx_handle_write_event(c->write, 0) == NGX_ERROR) { | |
| 1136 | 498 ngx_mail_close_connection(c); |
| 539 | 499 } |
| 500 | |
| 501 return; | |
| 502 } | |
| 503 | |
| 504 n = c->send(c, s->out.data, s->out.len); | |
| 505 | |
| 506 if (n > 0) { | |
| 507 s->out.len -= n; | |
| 508 | |
| 541 | 509 if (wev->timer_set) { |
| 510 ngx_del_timer(wev); | |
| 511 } | |
| 512 | |
| 539 | 513 if (s->quit) { |
| 1136 | 514 ngx_mail_close_connection(c); |
| 539 | 515 return; |
| 516 } | |
| 517 | |
| 518 if (s->blocked) { | |
| 519 c->read->handler(c->read); | |
| 520 } | |
| 521 | |
| 522 return; | |
| 523 } | |
| 524 | |
| 525 if (n == NGX_ERROR) { | |
| 1136 | 526 ngx_mail_close_connection(c); |
| 539 | 527 return; |
| 528 } | |
| 529 | |
| 530 /* n == NGX_AGAIN */ | |
| 531 | |
| 1136 | 532 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
| 541 | 533 |
| 534 ngx_add_timer(c->write, cscf->timeout); | |
| 535 | |
| 539 | 536 if (ngx_handle_write_event(c->write, 0) == NGX_ERROR) { |
| 1136 | 537 ngx_mail_close_connection(c); |
| 539 | 538 return; |
| 539 } | |
|
413
de9d4726e28a
nginx-0.0.10-2004-08-31-23:05:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
540 } |
|
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
541 |
|
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
542 |
|
1476
67578e966dcc
split pop3, imap, and smtp handlers
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parents:
1472
diff
changeset
|
543 ngx_int_t |
| 1482 | 544 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
|
545 { |
|
1487
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
546 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
|
547 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
|
548 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
|
549 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
|
550 |
| 1482 | 551 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
|
552 |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
553 if (n == NGX_ERROR || n == 0) { |
| 1482 | 554 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
|
555 return NGX_ERROR; |
|
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 |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
558 if (n > 0) { |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
559 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
|
560 } |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
561 |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
562 if (n == NGX_AGAIN) { |
| 1482 | 563 if (ngx_handle_read_event(c->read, 0) == NGX_ERROR) { |
| 1136 | 564 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
|
565 return NGX_ERROR; |
|
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 |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
568 return NGX_AGAIN; |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
569 } |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
570 |
|
1487
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
571 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
|
572 |
|
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
573 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
|
574 |
|
1108
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
575 if (rc == NGX_AGAIN) { |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
576 |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
577 if (s->buffer->last < s->buffer->end) { |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
578 return rc; |
|
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 |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
581 l.len = s->buffer->last - s->buffer->start; |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
582 l.data = s->buffer->start; |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
583 |
| 1482 | 584 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
|
585 "client sent too long command \"%V\"", &l); |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
586 |
|
1111
b0fc4af1f196
close connection for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1108
diff
changeset
|
587 s->quit = 1; |
|
b0fc4af1f196
close connection for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1108
diff
changeset
|
588 |
| 1136 | 589 return NGX_MAIL_PARSE_INVALID_COMMAND; |
|
1108
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
590 } |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
591 |
| 1136 | 592 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
|
593 return rc; |
|
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 |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
596 if (rc == NGX_ERROR) { |
| 1482 | 597 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
|
598 return NGX_ERROR; |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
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599 } |
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419
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changeset
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600 |
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33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
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419
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601 return NGX_OK; |
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33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
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419
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602 } |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
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419
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603 |
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33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
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604 |
| 521 | 605 void |
| 1482 | 606 ngx_mail_auth(ngx_mail_session_t *s, ngx_connection_t *c) |
|
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607 { |
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608 s->args.nelts = 0; |
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609 s->buffer->pos = s->buffer->start; |
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610 s->buffer->last = s->buffer->start; |
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611 s->state = 0; |
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612 |
| 1482 | 613 if (c->read->timer_set) { |
| 614 ngx_del_timer(c->read); | |
|
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615 } |
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616 |
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617 s->login_attempt++; |
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618 |
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619 ngx_mail_auth_http_init(s); |
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620 } |
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621 |
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622 |
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623 void |
| 1136 | 624 ngx_mail_session_internal_server_error(ngx_mail_session_t *s) |
| 525 | 625 { |
|
1487
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ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
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626 ngx_mail_core_srv_conf_t *cscf; |
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627 |
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ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
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628 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
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629 |
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ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
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630 s->out = cscf->protocol->internal_server_error; |
| 539 | 631 s->quit = 1; |
| 525 | 632 |
| 1136 | 633 ngx_mail_send(s->connection->write); |
| 525 | 634 } |
| 635 | |
| 636 | |
| 637 void | |
| 1136 | 638 ngx_mail_close_connection(ngx_connection_t *c) |
|
417
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nginx-0.0.10-2004-09-07-19:29:22 import
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415
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639 { |
| 479 | 640 ngx_pool_t *pool; |
| 641 | |
| 1136 | 642 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
| 643 "close mail connection: %d", c->fd); | |
|
417
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|
644 |
| 1136 | 645 #if (NGX_MAIL_SSL) |
| 539 | 646 |
| 647 if (c->ssl) { | |
| 648 if (ngx_ssl_shutdown(c) == NGX_AGAIN) { | |
| 1136 | 649 c->ssl->handler = ngx_mail_close_connection; |
| 539 | 650 return; |
| 651 } | |
| 652 } | |
| 653 | |
| 654 #endif | |
| 655 | |
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656 #if (NGX_STAT_STUB) |
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657 ngx_atomic_fetch_add(ngx_stat_active, -1); |
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658 #endif |
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|
659 |
| 583 | 660 c->destroyed = 1; |
| 543 | 661 |
| 479 | 662 pool = c->pool; |
| 663 | |
|
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
664 ngx_close_connection(c); |
| 479 | 665 |
| 501 | 666 ngx_destroy_pool(pool); |
|
417
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nginx-0.0.10-2004-09-07-19:29:22 import
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parents:
415
diff
changeset
|
667 } |
| 539 | 668 |
| 669 | |
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670 u_char * |
| 1136 | 671 ngx_mail_log_error(ngx_log_t *log, u_char *buf, size_t len) |
| 541 | 672 { |
| 567 | 673 u_char *p; |
| 1136 | 674 ngx_mail_session_t *s; |
| 675 ngx_mail_log_ctx_t *ctx; | |
| 541 | 676 |
| 677 if (log->action) { | |
| 678 p = ngx_snprintf(buf, len, " while %s", log->action); | |
| 679 len -= p - buf; | |
| 680 buf = p; | |
| 681 } | |
| 577 | 682 |
| 541 | 683 ctx = log->data; |
| 684 | |
| 685 p = ngx_snprintf(buf, len, ", client: %V", ctx->client); | |
| 686 len -= p - buf; | |
| 687 buf = p; | |
| 688 | |
| 689 s = ctx->session; | |
| 690 | |
| 691 if (s == NULL) { | |
| 692 return p; | |
| 693 } | |
| 694 | |
| 1491 | 695 p = ngx_snprintf(buf, len, "%s, server: %V", |
| 696 s->starttls ? " using starttls" : "", | |
| 697 s->addr_text); | |
| 541 | 698 len -= p - buf; |
| 699 buf = p; | |
| 700 | |
| 701 if (s->login.len == 0) { | |
| 702 return p; | |
| 703 } | |
| 704 | |
| 705 p = ngx_snprintf(buf, len, ", login: \"%V\"", &s->login); | |
| 706 len -= p - buf; | |
| 707 buf = p; | |
| 708 | |
| 709 if (s->proxy == NULL) { | |
| 710 return p; | |
| 711 } | |
| 712 | |
| 884 | 713 p = ngx_snprintf(buf, len, ", upstream: %V", s->proxy->upstream.name); |
| 541 | 714 |
| 715 return p; | |
| 716 } |