Mercurial > hg > nginx
annotate src/mail/ngx_mail_handler.c @ 1704:e584e946e198
move condition declarations inside blocks where they are used
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Mon, 10 Dec 2007 12:09:51 +0000 |
| parents | 6535fb51976a |
| children | 2a92804f4109 62c95a6b143b |
| 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 | |
| 1136 | 201 ngx_mail_init_session(c); |
| 547 | 202 return; |
| 203 } | |
| 204 | |
| 1136 | 205 ngx_mail_close_connection(c); |
| 547 | 206 } |
| 207 | |
| 208 #endif | |
| 209 | |
| 210 | |
| 211 static void | |
| 1136 | 212 ngx_mail_init_session(ngx_connection_t *c) |
| 541 | 213 { |
| 1136 | 214 ngx_mail_session_t *s; |
| 215 ngx_mail_core_srv_conf_t *cscf; | |
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216 |
| 641 | 217 s = c->data; |
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218 |
| 1136 | 219 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
| 539 | 220 |
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221 s->protocol = cscf->protocol->type; |
| 539 | 222 |
| 1136 | 223 s->ctx = ngx_pcalloc(c->pool, sizeof(void *) * ngx_mail_max_module); |
| 539 | 224 if (s->ctx == NULL) { |
| 1136 | 225 ngx_mail_session_internal_server_error(s); |
| 539 | 226 return; |
| 227 } | |
| 228 | |
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229 c->write->handler = ngx_mail_send; |
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230 |
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231 cscf->protocol->init_session(s, c); |
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232 } |
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233 |
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234 |
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235 ngx_int_t |
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236 ngx_mail_salt(ngx_mail_session_t *s, ngx_connection_t *c, |
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237 ngx_mail_core_srv_conf_t *cscf) |
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238 { |
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239 s->salt.data = ngx_palloc(c->pool, |
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240 sizeof(" <18446744073709551616.@>" CRLF) - 1 |
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241 + NGX_TIME_T_LEN |
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242 + cscf->server_name.len); |
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243 if (s->salt.data == NULL) { |
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244 return NGX_ERROR; |
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245 } |
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246 |
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247 s->salt.len = ngx_sprintf(s->salt.data, "<%ul.%T@%V>" CRLF, |
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248 ngx_random(), ngx_time(), &cscf->server_name) |
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249 - s->salt.data; |
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250 |
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251 return NGX_OK; |
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252 } |
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253 |
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254 |
| 1479 | 255 #if (NGX_MAIL_SSL) |
| 256 | |
| 257 ngx_int_t | |
| 258 ngx_mail_starttls_only(ngx_mail_session_t *s, ngx_connection_t *c) | |
| 259 { | |
| 260 ngx_mail_ssl_conf_t *sslcf; | |
| 261 | |
| 262 if (c->ssl) { | |
| 263 return 0; | |
| 264 } | |
| 265 | |
| 266 sslcf = ngx_mail_get_module_srv_conf(s, ngx_mail_ssl_module); | |
| 267 | |
| 268 if (sslcf->starttls == NGX_MAIL_STARTTLS_ONLY) { | |
| 269 return 1; | |
| 270 } | |
| 271 | |
| 272 return 0; | |
| 273 } | |
| 274 | |
| 275 #endif | |
| 276 | |
| 277 | |
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278 ngx_int_t |
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279 ngx_mail_auth_plain(ngx_mail_session_t *s, ngx_connection_t *c, ngx_uint_t n) |
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280 { |
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281 u_char *p, *last; |
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282 ngx_str_t *arg, plain; |
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283 |
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284 arg = s->args.elts; |
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285 |
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286 #if (NGX_DEBUG_MAIL_PASSWD) |
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287 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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288 "mail auth plain: \"%V\"", &arg[n]); |
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289 #endif |
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290 |
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291 plain.data = ngx_palloc(c->pool, ngx_base64_decoded_length(arg[n].len)); |
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292 if (plain.data == NULL){ |
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293 return NGX_ERROR; |
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294 } |
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295 |
|
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296 if (ngx_decode_base64(&plain, &arg[n]) != NGX_OK) { |
|
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297 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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298 "client sent invalid base64 encoding in AUTH PLAIN command"); |
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299 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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300 } |
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301 |
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302 p = plain.data; |
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303 last = p + plain.len; |
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304 |
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305 while (p < last && *p++) { /* void */ } |
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306 |
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307 if (p == last) { |
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308 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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309 "client sent invalid login in AUTH PLAIN command"); |
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310 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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311 } |
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312 |
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313 s->login.data = p; |
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314 |
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315 while (p < last && *p) { p++; } |
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316 |
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317 if (p == last) { |
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318 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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319 "client sent invalid password in AUTH PLAIN command"); |
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320 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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321 } |
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322 |
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323 s->login.len = p++ - s->login.data; |
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324 |
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325 s->passwd.len = last - p; |
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326 s->passwd.data = p; |
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327 |
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328 #if (NGX_DEBUG_MAIL_PASSWD) |
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329 ngx_log_debug2(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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330 "mail auth plain: \"%V\" \"%V\"", &s->login, &s->passwd); |
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331 #endif |
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332 |
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333 return NGX_DONE; |
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334 } |
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335 |
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336 |
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337 ngx_int_t |
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338 ngx_mail_auth_login_username(ngx_mail_session_t *s, ngx_connection_t *c) |
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339 { |
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340 ngx_str_t *arg; |
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341 |
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342 arg = s->args.elts; |
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343 |
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344 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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345 "mail auth login username: \"%V\"", &arg[0]); |
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346 |
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347 s->login.data = ngx_palloc(c->pool, ngx_base64_decoded_length(arg[0].len)); |
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348 if (s->login.data == NULL){ |
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349 return NGX_ERROR; |
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350 } |
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351 |
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352 if (ngx_decode_base64(&s->login, &arg[0]) != NGX_OK) { |
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353 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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354 "client sent invalid base64 encoding in AUTH LOGIN command"); |
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355 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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356 } |
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357 |
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358 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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359 "mail auth login username: \"%V\"", &s->login); |
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360 |
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361 return NGX_OK; |
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362 } |
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363 |
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364 |
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365 ngx_int_t |
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366 ngx_mail_auth_login_password(ngx_mail_session_t *s, ngx_connection_t *c) |
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367 { |
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368 ngx_str_t *arg; |
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369 |
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370 arg = s->args.elts; |
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371 |
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372 #if (NGX_DEBUG_MAIL_PASSWD) |
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373 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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374 "mail auth login password: \"%V\"", &arg[0]); |
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375 #endif |
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376 |
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377 s->passwd.data = ngx_palloc(c->pool, ngx_base64_decoded_length(arg[0].len)); |
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378 if (s->passwd.data == NULL){ |
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379 return NGX_ERROR; |
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380 } |
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381 |
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382 if (ngx_decode_base64(&s->passwd, &arg[0]) != NGX_OK) { |
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383 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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384 "client sent invalid base64 encoding in AUTH LOGIN command"); |
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385 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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386 } |
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387 |
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388 #if (NGX_DEBUG_MAIL_PASSWD) |
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389 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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390 "mail auth login password: \"%V\"", &s->passwd); |
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391 #endif |
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392 |
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393 return NGX_DONE; |
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394 } |
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395 |
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396 |
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397 ngx_int_t |
| 1479 | 398 ngx_mail_auth_cram_md5_salt(ngx_mail_session_t *s, ngx_connection_t *c, |
| 399 char *prefix, size_t len) | |
| 400 { | |
| 401 u_char *p; | |
| 402 ngx_str_t salt; | |
| 403 ngx_uint_t n; | |
| 404 | |
| 405 p = ngx_palloc(c->pool, len + ngx_base64_encoded_length(s->salt.len) + 2); | |
| 406 if (p == NULL) { | |
| 407 return NGX_ERROR; | |
| 408 } | |
| 409 | |
| 410 salt.data = ngx_cpymem(p, prefix, len); | |
| 411 s->salt.len -= 2; | |
| 412 | |
| 413 ngx_encode_base64(&salt, &s->salt); | |
| 414 | |
| 415 s->salt.len += 2; | |
| 416 n = len + salt.len; | |
| 417 p[n++] = CR; p[n++] = LF; | |
| 418 | |
| 419 s->out.len = n; | |
| 420 s->out.data = p; | |
| 421 | |
| 422 return NGX_OK; | |
| 423 } | |
| 424 | |
| 425 | |
| 426 ngx_int_t | |
|
1476
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diff
changeset
|
427 ngx_mail_auth_cram_md5(ngx_mail_session_t *s, ngx_connection_t *c) |
|
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diff
changeset
|
428 { |
|
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diff
changeset
|
429 u_char *p, *last; |
|
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|
430 ngx_str_t *arg; |
|
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diff
changeset
|
431 |
|
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parents:
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changeset
|
432 arg = s->args.elts; |
|
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diff
changeset
|
433 |
|
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diff
changeset
|
434 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
|
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diff
changeset
|
435 "mail auth cram-md5: \"%V\"", &arg[0]); |
|
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parents:
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diff
changeset
|
436 |
|
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parents:
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diff
changeset
|
437 s->login.data = ngx_palloc(c->pool, ngx_base64_decoded_length(arg[0].len)); |
|
67578e966dcc
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diff
changeset
|
438 if (s->login.data == NULL){ |
|
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parents:
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diff
changeset
|
439 return NGX_ERROR; |
|
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parents:
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diff
changeset
|
440 } |
|
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parents:
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changeset
|
441 |
|
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parents:
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diff
changeset
|
442 if (ngx_decode_base64(&s->login, &arg[0]) != NGX_OK) { |
|
67578e966dcc
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parents:
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diff
changeset
|
443 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
|
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parents:
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diff
changeset
|
444 "client sent invalid base64 encoding in AUTH CRAM-MD5 command"); |
|
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parents:
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diff
changeset
|
445 return NGX_MAIL_PARSE_INVALID_COMMAND; |
|
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parents:
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diff
changeset
|
446 } |
|
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parents:
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diff
changeset
|
447 |
|
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parents:
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changeset
|
448 p = s->login.data; |
|
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changeset
|
449 last = p + s->login.len; |
|
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changeset
|
450 |
|
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parents:
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diff
changeset
|
451 while (p < last) { |
|
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parents:
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changeset
|
452 if (*p++ == ' ') { |
|
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parents:
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diff
changeset
|
453 s->login.len = p - s->login.data - 1; |
|
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parents:
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diff
changeset
|
454 s->passwd.len = last - p; |
|
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parents:
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changeset
|
455 s->passwd.data = p; |
|
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parents:
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changeset
|
456 break; |
|
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parents:
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diff
changeset
|
457 } |
|
67578e966dcc
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parents:
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diff
changeset
|
458 } |
|
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parents:
1472
diff
changeset
|
459 |
|
67578e966dcc
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parents:
1472
diff
changeset
|
460 if (s->passwd.len != 32) { |
|
67578e966dcc
split pop3, imap, and smtp handlers
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parents:
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diff
changeset
|
461 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
|
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parents:
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diff
changeset
|
462 "client sent invalid CRAM-MD5 hash in AUTH CRAM-MD5 command"); |
|
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parents:
1472
diff
changeset
|
463 return NGX_MAIL_PARSE_INVALID_COMMAND; |
|
67578e966dcc
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parents:
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diff
changeset
|
464 } |
|
67578e966dcc
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parents:
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diff
changeset
|
465 |
|
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parents:
1472
diff
changeset
|
466 ngx_log_debug2(NGX_LOG_DEBUG_MAIL, c->log, 0, |
|
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parents:
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diff
changeset
|
467 "mail auth cram-md5: \"%V\" \"%V\"", &s->login, &s->passwd); |
|
67578e966dcc
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parents:
1472
diff
changeset
|
468 |
|
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parents:
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diff
changeset
|
469 s->auth_method = NGX_MAIL_AUTH_CRAM_MD5; |
|
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parents:
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diff
changeset
|
470 |
|
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parents:
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diff
changeset
|
471 return NGX_DONE; |
| 539 | 472 } |
| 473 | |
| 474 | |
| 475 void | |
| 1136 | 476 ngx_mail_send(ngx_event_t *wev) |
| 539 | 477 { |
| 541 | 478 ngx_int_t n; |
| 479 ngx_connection_t *c; | |
| 1136 | 480 ngx_mail_session_t *s; |
| 481 ngx_mail_core_srv_conf_t *cscf; | |
| 539 | 482 |
| 483 c = wev->data; | |
| 484 s = c->data; | |
| 485 | |
| 486 if (wev->timedout) { | |
| 487 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out"); | |
| 577 | 488 c->timedout = 1; |
| 1136 | 489 ngx_mail_close_connection(c); |
| 539 | 490 return; |
| 491 } | |
| 492 | |
| 493 if (s->out.len == 0) { | |
| 494 if (ngx_handle_write_event(c->write, 0) == NGX_ERROR) { | |
| 1136 | 495 ngx_mail_close_connection(c); |
| 539 | 496 } |
| 497 | |
| 498 return; | |
| 499 } | |
| 500 | |
| 501 n = c->send(c, s->out.data, s->out.len); | |
| 502 | |
| 503 if (n > 0) { | |
| 504 s->out.len -= n; | |
| 505 | |
| 541 | 506 if (wev->timer_set) { |
| 507 ngx_del_timer(wev); | |
| 508 } | |
| 509 | |
| 539 | 510 if (s->quit) { |
| 1136 | 511 ngx_mail_close_connection(c); |
| 539 | 512 return; |
| 513 } | |
| 514 | |
| 515 if (s->blocked) { | |
| 516 c->read->handler(c->read); | |
| 517 } | |
| 518 | |
| 519 return; | |
| 520 } | |
| 521 | |
| 522 if (n == NGX_ERROR) { | |
| 1136 | 523 ngx_mail_close_connection(c); |
| 539 | 524 return; |
| 525 } | |
| 526 | |
| 527 /* n == NGX_AGAIN */ | |
| 528 | |
| 1136 | 529 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
| 541 | 530 |
| 531 ngx_add_timer(c->write, cscf->timeout); | |
| 532 | |
| 539 | 533 if (ngx_handle_write_event(c->write, 0) == NGX_ERROR) { |
| 1136 | 534 ngx_mail_close_connection(c); |
| 539 | 535 return; |
| 536 } | |
|
413
de9d4726e28a
nginx-0.0.10-2004-08-31-23:05:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
537 } |
|
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
538 |
|
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
539 |
|
1476
67578e966dcc
split pop3, imap, and smtp handlers
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parents:
1472
diff
changeset
|
540 ngx_int_t |
| 1482 | 541 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
|
542 { |
|
1487
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
543 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
|
544 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
|
545 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
|
546 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
|
547 |
| 1482 | 548 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
|
549 |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
550 if (n == NGX_ERROR || n == 0) { |
| 1482 | 551 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
|
552 return NGX_ERROR; |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
553 } |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
554 |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
555 if (n > 0) { |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
556 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
|
557 } |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
558 |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
559 if (n == NGX_AGAIN) { |
| 1482 | 560 if (ngx_handle_read_event(c->read, 0) == NGX_ERROR) { |
| 1136 | 561 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
|
562 return NGX_ERROR; |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
563 } |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
564 |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
565 return NGX_AGAIN; |
|
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 |
|
1487
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
568 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
|
569 |
|
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
570 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
|
571 |
|
1108
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
572 if (rc == NGX_AGAIN) { |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
573 |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
574 if (s->buffer->last < s->buffer->end) { |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
575 return rc; |
|
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 |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
578 l.len = s->buffer->last - s->buffer->start; |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
579 l.data = s->buffer->start; |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
580 |
| 1482 | 581 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
|
582 "client sent too long command \"%V\"", &l); |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
583 |
|
1111
b0fc4af1f196
close connection for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1108
diff
changeset
|
584 s->quit = 1; |
|
b0fc4af1f196
close connection for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1108
diff
changeset
|
585 |
| 1136 | 586 return NGX_MAIL_PARSE_INVALID_COMMAND; |
|
1108
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
587 } |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
588 |
| 1136 | 589 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
|
590 return rc; |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
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591 } |
|
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592 |
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593 if (rc == NGX_ERROR) { |
| 1482 | 594 ngx_mail_close_connection(c); |
|
420
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595 return NGX_ERROR; |
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596 } |
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597 |
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598 return NGX_OK; |
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599 } |
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600 |
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601 |
| 521 | 602 void |
| 1482 | 603 ngx_mail_auth(ngx_mail_session_t *s, ngx_connection_t *c) |
|
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604 { |
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605 s->args.nelts = 0; |
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606 s->buffer->pos = s->buffer->start; |
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607 s->buffer->last = s->buffer->start; |
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608 s->state = 0; |
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609 |
| 1482 | 610 if (c->read->timer_set) { |
| 611 ngx_del_timer(c->read); | |
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612 } |
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613 |
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614 s->login_attempt++; |
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615 |
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616 ngx_mail_auth_http_init(s); |
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617 } |
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618 |
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619 |
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620 void |
| 1136 | 621 ngx_mail_session_internal_server_error(ngx_mail_session_t *s) |
| 525 | 622 { |
|
1487
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623 ngx_mail_core_srv_conf_t *cscf; |
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624 |
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625 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
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626 |
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627 s->out = cscf->protocol->internal_server_error; |
| 539 | 628 s->quit = 1; |
| 525 | 629 |
| 1136 | 630 ngx_mail_send(s->connection->write); |
| 525 | 631 } |
| 632 | |
| 633 | |
| 634 void | |
| 1136 | 635 ngx_mail_close_connection(ngx_connection_t *c) |
|
417
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636 { |
| 479 | 637 ngx_pool_t *pool; |
| 638 | |
| 1136 | 639 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
| 640 "close mail connection: %d", c->fd); | |
|
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641 |
| 1136 | 642 #if (NGX_MAIL_SSL) |
| 539 | 643 |
| 644 if (c->ssl) { | |
| 645 if (ngx_ssl_shutdown(c) == NGX_AGAIN) { | |
| 1136 | 646 c->ssl->handler = ngx_mail_close_connection; |
| 539 | 647 return; |
| 648 } | |
| 649 } | |
| 650 | |
| 651 #endif | |
| 652 | |
|
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653 #if (NGX_STAT_STUB) |
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654 ngx_atomic_fetch_add(ngx_stat_active, -1); |
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655 #endif |
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656 |
| 583 | 657 c->destroyed = 1; |
| 543 | 658 |
| 479 | 659 pool = c->pool; |
| 660 | |
|
417
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661 ngx_close_connection(c); |
| 479 | 662 |
| 501 | 663 ngx_destroy_pool(pool); |
|
417
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664 } |
| 539 | 665 |
| 666 | |
|
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667 u_char * |
| 1136 | 668 ngx_mail_log_error(ngx_log_t *log, u_char *buf, size_t len) |
| 541 | 669 { |
| 567 | 670 u_char *p; |
| 1136 | 671 ngx_mail_session_t *s; |
| 672 ngx_mail_log_ctx_t *ctx; | |
| 541 | 673 |
| 674 if (log->action) { | |
| 675 p = ngx_snprintf(buf, len, " while %s", log->action); | |
| 676 len -= p - buf; | |
| 677 buf = p; | |
| 678 } | |
| 577 | 679 |
| 541 | 680 ctx = log->data; |
| 681 | |
| 682 p = ngx_snprintf(buf, len, ", client: %V", ctx->client); | |
| 683 len -= p - buf; | |
| 684 buf = p; | |
| 685 | |
| 686 s = ctx->session; | |
| 687 | |
| 688 if (s == NULL) { | |
| 689 return p; | |
| 690 } | |
| 691 | |
| 1491 | 692 p = ngx_snprintf(buf, len, "%s, server: %V", |
| 693 s->starttls ? " using starttls" : "", | |
| 694 s->addr_text); | |
| 541 | 695 len -= p - buf; |
| 696 buf = p; | |
| 697 | |
| 698 if (s->login.len == 0) { | |
| 699 return p; | |
| 700 } | |
| 701 | |
| 702 p = ngx_snprintf(buf, len, ", login: \"%V\"", &s->login); | |
| 703 len -= p - buf; | |
| 704 buf = p; | |
| 705 | |
| 706 if (s->proxy == NULL) { | |
| 707 return p; | |
| 708 } | |
| 709 | |
| 884 | 710 p = ngx_snprintf(buf, len, ", upstream: %V", s->proxy->upstream.name); |
| 541 | 711 |
| 712 return p; | |
| 713 } |