Mercurial > hg > nginx
annotate src/mail/ngx_mail_handler.c @ 2798:268d8d3faa34
axe imap module artifacts
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Mon, 04 May 2009 19:34:59 +0000 |
| parents | a59b26eee816 |
| children | a96a8c916b0c |
| 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; |
| 2798 | 29 ngx_mail_in_port_t *mip; |
| 30 ngx_mail_in_addr_t *mia; | |
| 1136 | 31 ngx_mail_session_t *s; |
| 641 | 32 |
| 33 /* find the server configuration for the address:port */ | |
| 34 | |
| 35 /* AF_INET only */ | |
| 36 | |
| 2798 | 37 mip = c->listening->servers; |
| 38 mia = mip->addrs; | |
| 641 | 39 |
| 40 i = 0; | |
| 41 | |
| 2798 | 42 if (mip->naddrs > 1) { |
| 641 | 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 | |
| 2798 | 73 for ( /* void */ ; i < mip->naddrs - 1; i++) { |
| 74 if (in_addr == mia[i].addr) { | |
| 641 | 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 |
| 2798 | 87 s->main_conf = mia[i].ctx->main_conf; |
| 88 s->srv_conf = mia[i].ctx->srv_conf; | |
| 641 | 89 |
| 2798 | 90 s->addr_text = &mia[i].addr_text; |
| 641 | 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) { | |
| 2224 | 121 c->log->action = "SSL handshaking"; |
| 122 | |
| 1136 | 123 ngx_mail_ssl_init_connection(&sslcf->ssl, c); |
| 547 | 124 return; |
| 543 | 125 } |
| 2224 | 126 |
| 2798 | 127 if (mia[i].ssl) { |
| 2224 | 128 |
| 129 c->log->action = "SSL handshaking"; | |
| 130 | |
| 131 if (sslcf->ssl.ctx == NULL) { | |
| 132 ngx_log_error(NGX_LOG_ERR, c->log, 0, | |
| 133 "no \"ssl_certificate\" is defined " | |
| 134 "in server listening on SSL port"); | |
| 135 ngx_mail_close_connection(c); | |
| 136 return; | |
| 137 } | |
| 138 | |
| 139 ngx_mail_ssl_init_connection(&sslcf->ssl, c); | |
| 140 return; | |
| 141 } | |
| 142 | |
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143 } |
| 543 | 144 #endif |
| 145 | |
| 1136 | 146 ngx_mail_init_session(c); |
| 541 | 147 } |
| 148 | |
| 149 | |
| 1136 | 150 #if (NGX_MAIL_SSL) |
| 547 | 151 |
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152 void |
| 1136 | 153 ngx_mail_starttls_handler(ngx_event_t *rev) |
| 583 | 154 { |
| 155 ngx_connection_t *c; | |
| 1136 | 156 ngx_mail_session_t *s; |
| 157 ngx_mail_ssl_conf_t *sslcf; | |
| 583 | 158 |
| 159 c = rev->data; | |
| 160 s = c->data; | |
| 641 | 161 s->starttls = 1; |
| 583 | 162 |
| 163 c->log->action = "in starttls state"; | |
| 164 | |
| 1136 | 165 sslcf = ngx_mail_get_module_srv_conf(s, ngx_mail_ssl_module); |
| 583 | 166 |
| 1136 | 167 ngx_mail_ssl_init_connection(&sslcf->ssl, c); |
| 583 | 168 } |
| 169 | |
| 170 | |
| 171 static void | |
| 1136 | 172 ngx_mail_ssl_init_connection(ngx_ssl_t *ssl, ngx_connection_t *c) |
| 583 | 173 { |
| 1136 | 174 ngx_mail_session_t *s; |
| 175 ngx_mail_core_srv_conf_t *cscf; | |
| 583 | 176 |
| 177 if (ngx_ssl_create_connection(ssl, c, 0) == NGX_ERROR) { | |
| 1136 | 178 ngx_mail_close_connection(c); |
| 583 | 179 return; |
| 180 } | |
| 181 | |
| 182 if (ngx_ssl_handshake(c) == NGX_AGAIN) { | |
| 183 | |
| 641 | 184 s = c->data; |
| 185 | |
| 1136 | 186 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
| 583 | 187 |
| 188 ngx_add_timer(c->read, cscf->timeout); | |
| 189 | |
| 1136 | 190 c->ssl->handler = ngx_mail_ssl_handshake_handler; |
| 583 | 191 |
| 192 return; | |
| 193 } | |
| 194 | |
| 1136 | 195 ngx_mail_ssl_handshake_handler(c); |
| 583 | 196 } |
| 197 | |
| 198 | |
| 199 static void | |
| 1136 | 200 ngx_mail_ssl_handshake_handler(ngx_connection_t *c) |
| 577 | 201 { |
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202 ngx_mail_session_t *s; |
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203 ngx_mail_core_srv_conf_t *cscf; |
| 641 | 204 |
| 547 | 205 if (c->ssl->handshaked) { |
| 583 | 206 |
| 641 | 207 s = c->data; |
| 208 | |
| 209 if (s->starttls) { | |
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210 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
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211 |
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212 c->read->handler = cscf->protocol->init_protocol; |
| 1136 | 213 c->write->handler = ngx_mail_send; |
| 583 | 214 |
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215 cscf->protocol->init_protocol(c->read); |
| 583 | 216 |
| 217 return; | |
| 218 } | |
| 219 | |
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220 c->read->ready = 0; |
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221 |
| 1136 | 222 ngx_mail_init_session(c); |
| 547 | 223 return; |
| 224 } | |
| 225 | |
| 1136 | 226 ngx_mail_close_connection(c); |
| 547 | 227 } |
| 228 | |
| 229 #endif | |
| 230 | |
| 231 | |
| 232 static void | |
| 1136 | 233 ngx_mail_init_session(ngx_connection_t *c) |
| 541 | 234 { |
| 1136 | 235 ngx_mail_session_t *s; |
| 236 ngx_mail_core_srv_conf_t *cscf; | |
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237 |
| 641 | 238 s = c->data; |
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239 |
| 1136 | 240 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
| 539 | 241 |
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242 s->protocol = cscf->protocol->type; |
| 539 | 243 |
| 1136 | 244 s->ctx = ngx_pcalloc(c->pool, sizeof(void *) * ngx_mail_max_module); |
| 539 | 245 if (s->ctx == NULL) { |
| 1136 | 246 ngx_mail_session_internal_server_error(s); |
| 539 | 247 return; |
| 248 } | |
| 249 | |
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250 c->write->handler = ngx_mail_send; |
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251 |
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252 cscf->protocol->init_session(s, c); |
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253 } |
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254 |
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255 |
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256 ngx_int_t |
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257 ngx_mail_salt(ngx_mail_session_t *s, ngx_connection_t *c, |
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258 ngx_mail_core_srv_conf_t *cscf) |
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259 { |
| 2049 | 260 s->salt.data = ngx_pnalloc(c->pool, |
| 261 sizeof(" <18446744073709551616.@>" CRLF) - 1 | |
| 262 + NGX_TIME_T_LEN | |
| 263 + cscf->server_name.len); | |
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264 if (s->salt.data == NULL) { |
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265 return NGX_ERROR; |
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266 } |
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267 |
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268 s->salt.len = ngx_sprintf(s->salt.data, "<%ul.%T@%V>" CRLF, |
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269 ngx_random(), ngx_time(), &cscf->server_name) |
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270 - s->salt.data; |
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271 |
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272 return NGX_OK; |
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273 } |
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274 |
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275 |
| 1479 | 276 #if (NGX_MAIL_SSL) |
| 277 | |
| 278 ngx_int_t | |
| 279 ngx_mail_starttls_only(ngx_mail_session_t *s, ngx_connection_t *c) | |
| 280 { | |
| 281 ngx_mail_ssl_conf_t *sslcf; | |
| 282 | |
| 283 if (c->ssl) { | |
| 284 return 0; | |
| 285 } | |
| 286 | |
| 287 sslcf = ngx_mail_get_module_srv_conf(s, ngx_mail_ssl_module); | |
| 288 | |
| 289 if (sslcf->starttls == NGX_MAIL_STARTTLS_ONLY) { | |
| 290 return 1; | |
| 291 } | |
| 292 | |
| 293 return 0; | |
| 294 } | |
| 295 | |
| 296 #endif | |
| 297 | |
| 298 | |
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299 ngx_int_t |
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300 ngx_mail_auth_plain(ngx_mail_session_t *s, ngx_connection_t *c, ngx_uint_t n) |
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301 { |
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302 u_char *p, *last; |
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303 ngx_str_t *arg, plain; |
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304 |
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305 arg = s->args.elts; |
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306 |
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307 #if (NGX_DEBUG_MAIL_PASSWD) |
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308 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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309 "mail auth plain: \"%V\"", &arg[n]); |
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310 #endif |
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311 |
| 2049 | 312 plain.data = ngx_pnalloc(c->pool, ngx_base64_decoded_length(arg[n].len)); |
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313 if (plain.data == NULL){ |
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314 return NGX_ERROR; |
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315 } |
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316 |
|
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317 if (ngx_decode_base64(&plain, &arg[n]) != NGX_OK) { |
|
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318 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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319 "client sent invalid base64 encoding 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 p = plain.data; |
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324 last = p + plain.len; |
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325 |
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326 while (p < last && *p++) { /* void */ } |
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327 |
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328 if (p == last) { |
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329 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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330 "client sent invalid login in AUTH PLAIN command"); |
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331 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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332 } |
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333 |
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334 s->login.data = p; |
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335 |
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336 while (p < last && *p) { p++; } |
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337 |
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338 if (p == last) { |
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339 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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340 "client sent invalid password in AUTH PLAIN command"); |
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341 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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342 } |
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343 |
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344 s->login.len = p++ - s->login.data; |
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345 |
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346 s->passwd.len = last - p; |
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347 s->passwd.data = p; |
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348 |
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349 #if (NGX_DEBUG_MAIL_PASSWD) |
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350 ngx_log_debug2(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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351 "mail auth plain: \"%V\" \"%V\"", &s->login, &s->passwd); |
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352 #endif |
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353 |
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354 return NGX_DONE; |
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355 } |
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356 |
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357 |
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358 ngx_int_t |
|
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359 ngx_mail_auth_login_username(ngx_mail_session_t *s, ngx_connection_t *c, |
|
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360 ngx_uint_t n) |
|
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361 { |
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362 ngx_str_t *arg; |
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363 |
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364 arg = s->args.elts; |
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365 |
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366 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
|
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367 "mail auth login username: \"%V\"", &arg[n]); |
|
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368 |
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369 s->login.data = ngx_pnalloc(c->pool, ngx_base64_decoded_length(arg[n].len)); |
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370 if (s->login.data == NULL){ |
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371 return NGX_ERROR; |
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372 } |
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373 |
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374 if (ngx_decode_base64(&s->login, &arg[n]) != NGX_OK) { |
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375 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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376 "client sent invalid base64 encoding in AUTH LOGIN command"); |
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377 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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378 } |
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379 |
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380 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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381 "mail auth login username: \"%V\"", &s->login); |
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382 |
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383 return NGX_OK; |
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384 } |
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385 |
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386 |
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387 ngx_int_t |
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388 ngx_mail_auth_login_password(ngx_mail_session_t *s, ngx_connection_t *c) |
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389 { |
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390 ngx_str_t *arg; |
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391 |
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392 arg = s->args.elts; |
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393 |
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394 #if (NGX_DEBUG_MAIL_PASSWD) |
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395 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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396 "mail auth login password: \"%V\"", &arg[0]); |
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397 #endif |
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398 |
| 2049 | 399 s->passwd.data = ngx_pnalloc(c->pool, |
| 400 ngx_base64_decoded_length(arg[0].len)); | |
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401 if (s->passwd.data == NULL){ |
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402 return NGX_ERROR; |
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403 } |
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404 |
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405 if (ngx_decode_base64(&s->passwd, &arg[0]) != NGX_OK) { |
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406 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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407 "client sent invalid base64 encoding in AUTH LOGIN command"); |
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408 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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409 } |
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410 |
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411 #if (NGX_DEBUG_MAIL_PASSWD) |
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412 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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413 "mail auth login password: \"%V\"", &s->passwd); |
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414 #endif |
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415 |
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416 return NGX_DONE; |
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417 } |
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418 |
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419 |
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420 ngx_int_t |
| 1479 | 421 ngx_mail_auth_cram_md5_salt(ngx_mail_session_t *s, ngx_connection_t *c, |
| 422 char *prefix, size_t len) | |
| 423 { | |
| 424 u_char *p; | |
| 425 ngx_str_t salt; | |
| 426 ngx_uint_t n; | |
| 427 | |
| 2049 | 428 p = ngx_pnalloc(c->pool, len + ngx_base64_encoded_length(s->salt.len) + 2); |
| 1479 | 429 if (p == NULL) { |
| 430 return NGX_ERROR; | |
| 431 } | |
| 432 | |
| 433 salt.data = ngx_cpymem(p, prefix, len); | |
| 434 s->salt.len -= 2; | |
| 435 | |
| 436 ngx_encode_base64(&salt, &s->salt); | |
| 437 | |
| 438 s->salt.len += 2; | |
| 439 n = len + salt.len; | |
| 440 p[n++] = CR; p[n++] = LF; | |
| 441 | |
| 442 s->out.len = n; | |
| 443 s->out.data = p; | |
| 444 | |
| 445 return NGX_OK; | |
| 446 } | |
| 447 | |
| 448 | |
| 449 ngx_int_t | |
|
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450 ngx_mail_auth_cram_md5(ngx_mail_session_t *s, ngx_connection_t *c) |
|
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|
451 { |
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|
452 u_char *p, *last; |
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453 ngx_str_t *arg; |
|
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|
454 |
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|
455 arg = s->args.elts; |
|
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|
456 |
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|
457 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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|
458 "mail auth cram-md5: \"%V\"", &arg[0]); |
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|
459 |
| 2049 | 460 s->login.data = ngx_pnalloc(c->pool, ngx_base64_decoded_length(arg[0].len)); |
|
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461 if (s->login.data == NULL){ |
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462 return NGX_ERROR; |
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|
463 } |
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|
464 |
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465 if (ngx_decode_base64(&s->login, &arg[0]) != NGX_OK) { |
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|
466 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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|
467 "client sent invalid base64 encoding in AUTH CRAM-MD5 command"); |
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468 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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|
469 } |
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|
470 |
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|
471 p = s->login.data; |
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472 last = p + s->login.len; |
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|
473 |
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changeset
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474 while (p < last) { |
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475 if (*p++ == ' ') { |
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476 s->login.len = p - s->login.data - 1; |
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|
477 s->passwd.len = last - p; |
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|
478 s->passwd.data = p; |
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479 break; |
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|
480 } |
|
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|
481 } |
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changeset
|
482 |
|
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changeset
|
483 if (s->passwd.len != 32) { |
|
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changeset
|
484 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
|
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changeset
|
485 "client sent invalid CRAM-MD5 hash in AUTH CRAM-MD5 command"); |
|
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changeset
|
486 return NGX_MAIL_PARSE_INVALID_COMMAND; |
|
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changeset
|
487 } |
|
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parents:
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changeset
|
488 |
|
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changeset
|
489 ngx_log_debug2(NGX_LOG_DEBUG_MAIL, c->log, 0, |
|
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changeset
|
490 "mail auth cram-md5: \"%V\" \"%V\"", &s->login, &s->passwd); |
|
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changeset
|
491 |
|
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|
492 s->auth_method = NGX_MAIL_AUTH_CRAM_MD5; |
|
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changeset
|
493 |
|
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changeset
|
494 return NGX_DONE; |
| 539 | 495 } |
| 496 | |
| 497 | |
| 498 void | |
| 1136 | 499 ngx_mail_send(ngx_event_t *wev) |
| 539 | 500 { |
| 541 | 501 ngx_int_t n; |
| 502 ngx_connection_t *c; | |
| 1136 | 503 ngx_mail_session_t *s; |
| 504 ngx_mail_core_srv_conf_t *cscf; | |
| 539 | 505 |
| 506 c = wev->data; | |
| 507 s = c->data; | |
| 508 | |
| 509 if (wev->timedout) { | |
| 510 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out"); | |
| 577 | 511 c->timedout = 1; |
| 1136 | 512 ngx_mail_close_connection(c); |
| 539 | 513 return; |
| 514 } | |
| 515 | |
| 516 if (s->out.len == 0) { | |
|
2388
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diff
changeset
|
517 if (ngx_handle_write_event(c->write, 0) != NGX_OK) { |
| 1136 | 518 ngx_mail_close_connection(c); |
| 539 | 519 } |
| 520 | |
| 521 return; | |
| 522 } | |
| 523 | |
| 524 n = c->send(c, s->out.data, s->out.len); | |
| 525 | |
| 526 if (n > 0) { | |
| 527 s->out.len -= n; | |
| 528 | |
| 541 | 529 if (wev->timer_set) { |
| 530 ngx_del_timer(wev); | |
| 531 } | |
| 532 | |
| 539 | 533 if (s->quit) { |
| 1136 | 534 ngx_mail_close_connection(c); |
| 539 | 535 return; |
| 536 } | |
| 537 | |
| 538 if (s->blocked) { | |
| 539 c->read->handler(c->read); | |
| 540 } | |
| 541 | |
| 542 return; | |
| 543 } | |
| 544 | |
| 545 if (n == NGX_ERROR) { | |
| 1136 | 546 ngx_mail_close_connection(c); |
| 539 | 547 return; |
| 548 } | |
| 549 | |
| 550 /* n == NGX_AGAIN */ | |
| 551 | |
| 1136 | 552 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
| 541 | 553 |
| 554 ngx_add_timer(c->write, cscf->timeout); | |
| 555 | |
|
2388
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diff
changeset
|
556 if (ngx_handle_write_event(c->write, 0) != NGX_OK) { |
| 1136 | 557 ngx_mail_close_connection(c); |
| 539 | 558 return; |
| 559 } | |
|
413
de9d4726e28a
nginx-0.0.10-2004-08-31-23:05:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
560 } |
|
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
561 |
|
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
562 |
|
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changeset
|
563 ngx_int_t |
| 1482 | 564 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
|
565 { |
|
1487
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
566 ssize_t n; |
|
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
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parents:
1482
diff
changeset
|
567 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
|
568 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
|
569 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
|
570 |
| 1482 | 571 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
|
572 |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
573 if (n == NGX_ERROR || n == 0) { |
| 1482 | 574 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
|
575 return NGX_ERROR; |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
576 } |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
577 |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
578 if (n > 0) { |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
579 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
|
580 } |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
581 |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
582 if (n == NGX_AGAIN) { |
|
2388
722b5aff05ae
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2224
diff
changeset
|
583 if (ngx_handle_read_event(c->read, 0) != NGX_OK) { |
| 1136 | 584 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
|
585 return NGX_ERROR; |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
586 } |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
587 |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
588 return NGX_AGAIN; |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
589 } |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
590 |
|
1487
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
591 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
|
592 |
|
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
593 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
|
594 |
|
1108
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
595 if (rc == NGX_AGAIN) { |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
596 |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
597 if (s->buffer->last < s->buffer->end) { |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
598 return rc; |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
599 } |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
600 |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
601 l.len = s->buffer->last - s->buffer->start; |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
602 l.data = s->buffer->start; |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
603 |
| 1482 | 604 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
|
605 "client sent too long command \"%V\"", &l); |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
606 |
|
1111
b0fc4af1f196
close connection for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1108
diff
changeset
|
607 s->quit = 1; |
|
b0fc4af1f196
close connection for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1108
diff
changeset
|
608 |
| 1136 | 609 return NGX_MAIL_PARSE_INVALID_COMMAND; |
|
1108
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
610 } |
|
109e8c7d7cc1
return error for too long commands
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parents:
1107
diff
changeset
|
611 |
| 1136 | 612 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
|
613 return rc; |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
614 } |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
615 |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
616 if (rc == NGX_ERROR) { |
| 1482 | 617 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
|
618 return NGX_ERROR; |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
619 } |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
620 |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
621 return NGX_OK; |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
622 } |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
623 |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
624 |
| 521 | 625 void |
| 1482 | 626 ngx_mail_auth(ngx_mail_session_t *s, ngx_connection_t *c) |
|
1476
67578e966dcc
split pop3, imap, and smtp handlers
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parents:
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diff
changeset
|
627 { |
|
67578e966dcc
split pop3, imap, and smtp handlers
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parents:
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diff
changeset
|
628 s->args.nelts = 0; |
|
67578e966dcc
split pop3, imap, and smtp handlers
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diff
changeset
|
629 s->buffer->pos = s->buffer->start; |
|
67578e966dcc
split pop3, imap, and smtp handlers
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diff
changeset
|
630 s->buffer->last = s->buffer->start; |
|
67578e966dcc
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parents:
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diff
changeset
|
631 s->state = 0; |
|
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diff
changeset
|
632 |
| 1482 | 633 if (c->read->timer_set) { |
| 634 ngx_del_timer(c->read); | |
|
1476
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diff
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|
635 } |
|
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split pop3, imap, and smtp handlers
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parents:
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diff
changeset
|
636 |
|
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|
637 s->login_attempt++; |
|
67578e966dcc
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diff
changeset
|
638 |
|
67578e966dcc
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changeset
|
639 ngx_mail_auth_http_init(s); |
|
67578e966dcc
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diff
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|
640 } |
|
67578e966dcc
split pop3, imap, and smtp handlers
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parents:
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diff
changeset
|
641 |
|
67578e966dcc
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parents:
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diff
changeset
|
642 |
|
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changeset
|
643 void |
| 1136 | 644 ngx_mail_session_internal_server_error(ngx_mail_session_t *s) |
| 525 | 645 { |
|
1487
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
646 ngx_mail_core_srv_conf_t *cscf; |
|
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
647 |
|
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
648 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
|
649 |
|
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
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parents:
1482
diff
changeset
|
650 s->out = cscf->protocol->internal_server_error; |
| 539 | 651 s->quit = 1; |
| 525 | 652 |
| 1136 | 653 ngx_mail_send(s->connection->write); |
| 525 | 654 } |
| 655 | |
| 656 | |
| 657 void | |
| 1136 | 658 ngx_mail_close_connection(ngx_connection_t *c) |
|
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
659 { |
| 479 | 660 ngx_pool_t *pool; |
| 661 | |
| 1136 | 662 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
| 663 "close mail connection: %d", c->fd); | |
|
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
664 |
| 1136 | 665 #if (NGX_MAIL_SSL) |
| 539 | 666 |
| 667 if (c->ssl) { | |
| 668 if (ngx_ssl_shutdown(c) == NGX_AGAIN) { | |
| 1136 | 669 c->ssl->handler = ngx_mail_close_connection; |
| 539 | 670 return; |
| 671 } | |
| 672 } | |
| 673 | |
| 674 #endif | |
| 675 | |
|
1472
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decrement active connection counter in mail proxy
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parents:
1323
diff
changeset
|
676 #if (NGX_STAT_STUB) |
|
32450a2bbdf4
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parents:
1323
diff
changeset
|
677 ngx_atomic_fetch_add(ngx_stat_active, -1); |
|
32450a2bbdf4
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parents:
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diff
changeset
|
678 #endif |
|
32450a2bbdf4
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parents:
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diff
changeset
|
679 |
| 583 | 680 c->destroyed = 1; |
| 543 | 681 |
| 479 | 682 pool = c->pool; |
| 683 | |
|
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
684 ngx_close_connection(c); |
| 479 | 685 |
| 501 | 686 ngx_destroy_pool(pool); |
|
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
687 } |
| 539 | 688 |
| 689 | |
|
1476
67578e966dcc
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parents:
1472
diff
changeset
|
690 u_char * |
| 1136 | 691 ngx_mail_log_error(ngx_log_t *log, u_char *buf, size_t len) |
| 541 | 692 { |
| 567 | 693 u_char *p; |
| 1136 | 694 ngx_mail_session_t *s; |
| 695 ngx_mail_log_ctx_t *ctx; | |
| 541 | 696 |
| 697 if (log->action) { | |
| 698 p = ngx_snprintf(buf, len, " while %s", log->action); | |
| 699 len -= p - buf; | |
| 700 buf = p; | |
| 701 } | |
| 577 | 702 |
| 541 | 703 ctx = log->data; |
| 704 | |
| 705 p = ngx_snprintf(buf, len, ", client: %V", ctx->client); | |
| 706 len -= p - buf; | |
| 707 buf = p; | |
| 708 | |
| 709 s = ctx->session; | |
| 710 | |
| 711 if (s == NULL) { | |
| 712 return p; | |
| 713 } | |
| 714 | |
| 1491 | 715 p = ngx_snprintf(buf, len, "%s, server: %V", |
| 716 s->starttls ? " using starttls" : "", | |
| 717 s->addr_text); | |
| 541 | 718 len -= p - buf; |
| 719 buf = p; | |
| 720 | |
| 721 if (s->login.len == 0) { | |
| 722 return p; | |
| 723 } | |
| 724 | |
| 725 p = ngx_snprintf(buf, len, ", login: \"%V\"", &s->login); | |
| 726 len -= p - buf; | |
| 727 buf = p; | |
| 728 | |
| 729 if (s->proxy == NULL) { | |
| 730 return p; | |
| 731 } | |
| 732 | |
| 884 | 733 p = ngx_snprintf(buf, len, ", upstream: %V", s->proxy->upstream.name); |
| 541 | 734 |
| 735 return p; | |
| 736 } |