Mercurial > hg > nginx
annotate src/mail/ngx_mail_proxy_module.c @ 8884:1798acc01970 quic
QUIC: optimized ack range processing.
The sent queue is sorted by packet number. It is possible to avoid
traversing full queue while handling ack ranges. It makes sense to
start traversing from the queue head (i.e. check oldest packets first).
author | Vladimir Homutov <vl@nginx.com> |
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date | Fri, 15 Oct 2021 12:26:42 +0300 |
parents | b38728495e1a |
children | 17d6a537fb1b |
rev | line source |
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
4412 | 4 * Copyright (C) Nginx, Inc. |
441
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5 */ |
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6 |
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8 #include <ngx_config.h> |
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9 #include <ngx_core.h> |
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10 #include <ngx_event.h> |
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11 #include <ngx_event_connect.h> |
1136 | 12 #include <ngx_mail.h> |
418
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14 |
521 | 15 typedef struct { |
16 ngx_flag_t enable; | |
857 | 17 ngx_flag_t pass_error_message; |
1136 | 18 ngx_flag_t xclient; |
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19 ngx_flag_t smtp_auth; |
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20 ngx_flag_t proxy_protocol; |
539 | 21 size_t buffer_size; |
22 ngx_msec_t timeout; | |
1136 | 23 } ngx_mail_proxy_conf_t; |
521 | 24 |
25 | |
1136 | 26 static void ngx_mail_proxy_block_read(ngx_event_t *rev); |
27 static void ngx_mail_proxy_pop3_handler(ngx_event_t *rev); | |
28 static void ngx_mail_proxy_imap_handler(ngx_event_t *rev); | |
29 static void ngx_mail_proxy_smtp_handler(ngx_event_t *rev); | |
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30 static void ngx_mail_proxy_write_handler(ngx_event_t *wev); |
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31 static ngx_int_t ngx_mail_proxy_send_proxy_protocol(ngx_mail_session_t *s); |
1136 | 32 static ngx_int_t ngx_mail_proxy_read_response(ngx_mail_session_t *s, |
663 | 33 ngx_uint_t state); |
1136 | 34 static void ngx_mail_proxy_handler(ngx_event_t *ev); |
35 static void ngx_mail_proxy_upstream_error(ngx_mail_session_t *s); | |
36 static void ngx_mail_proxy_internal_server_error(ngx_mail_session_t *s); | |
37 static void ngx_mail_proxy_close_session(ngx_mail_session_t *s); | |
38 static void *ngx_mail_proxy_create_conf(ngx_conf_t *cf); | |
39 static char *ngx_mail_proxy_merge_conf(ngx_conf_t *cf, void *parent, | |
521 | 40 void *child); |
41 | |
42 | |
1136 | 43 static ngx_command_t ngx_mail_proxy_commands[] = { |
539 | 44 |
521 | 45 { ngx_string("proxy"), |
1136 | 46 NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_FLAG, |
521 | 47 ngx_conf_set_flag_slot, |
1136 | 48 NGX_MAIL_SRV_CONF_OFFSET, |
49 offsetof(ngx_mail_proxy_conf_t, enable), | |
521 | 50 NULL }, |
51 | |
539 | 52 { ngx_string("proxy_buffer"), |
1136 | 53 NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_TAKE1, |
539 | 54 ngx_conf_set_size_slot, |
1136 | 55 NGX_MAIL_SRV_CONF_OFFSET, |
56 offsetof(ngx_mail_proxy_conf_t, buffer_size), | |
539 | 57 NULL }, |
58 | |
59 { ngx_string("proxy_timeout"), | |
1136 | 60 NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_TAKE1, |
539 | 61 ngx_conf_set_msec_slot, |
1136 | 62 NGX_MAIL_SRV_CONF_OFFSET, |
63 offsetof(ngx_mail_proxy_conf_t, timeout), | |
539 | 64 NULL }, |
65 | |
857 | 66 { ngx_string("proxy_pass_error_message"), |
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67 NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_FLAG, |
857 | 68 ngx_conf_set_flag_slot, |
1136 | 69 NGX_MAIL_SRV_CONF_OFFSET, |
70 offsetof(ngx_mail_proxy_conf_t, pass_error_message), | |
71 NULL }, | |
72 | |
73 { ngx_string("xclient"), | |
74 NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_FLAG, | |
75 ngx_conf_set_flag_slot, | |
76 NGX_MAIL_SRV_CONF_OFFSET, | |
77 offsetof(ngx_mail_proxy_conf_t, xclient), | |
857 | 78 NULL }, |
79 | |
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80 { ngx_string("proxy_smtp_auth"), |
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81 NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_FLAG, |
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82 ngx_conf_set_flag_slot, |
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83 NGX_MAIL_SRV_CONF_OFFSET, |
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84 offsetof(ngx_mail_proxy_conf_t, smtp_auth), |
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85 NULL }, |
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86 |
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87 { ngx_string("proxy_protocol"), |
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88 NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_FLAG, |
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89 ngx_conf_set_flag_slot, |
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90 NGX_MAIL_SRV_CONF_OFFSET, |
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91 offsetof(ngx_mail_proxy_conf_t, proxy_protocol), |
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92 NULL }, |
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93 |
521 | 94 ngx_null_command |
95 }; | |
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96 |
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97 |
1136 | 98 static ngx_mail_module_t ngx_mail_proxy_module_ctx = { |
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99 NULL, /* protocol */ |
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100 |
521 | 101 NULL, /* create main configuration */ |
102 NULL, /* init main configuration */ | |
103 | |
1136 | 104 ngx_mail_proxy_create_conf, /* create server configuration */ |
105 ngx_mail_proxy_merge_conf /* merge server configuration */ | |
521 | 106 }; |
107 | |
108 | |
1136 | 109 ngx_module_t ngx_mail_proxy_module = { |
521 | 110 NGX_MODULE_V1, |
1136 | 111 &ngx_mail_proxy_module_ctx, /* module context */ |
112 ngx_mail_proxy_commands, /* module directives */ | |
113 NGX_MAIL_MODULE, /* module type */ | |
541 | 114 NULL, /* init master */ |
521 | 115 NULL, /* init module */ |
541 | 116 NULL, /* init process */ |
117 NULL, /* init thread */ | |
118 NULL, /* exit thread */ | |
119 NULL, /* exit process */ | |
120 NULL, /* exit master */ | |
121 NGX_MODULE_V1_PADDING | |
521 | 122 }; |
123 | |
124 | |
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125 static u_char smtp_auth_ok[] = "235 2.0.0 OK" CRLF; |
1136 | 126 |
127 | |
521 | 128 void |
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129 ngx_mail_proxy_init(ngx_mail_session_t *s, ngx_addr_t *peer) |
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130 { |
527 | 131 ngx_int_t rc; |
1136 | 132 ngx_mail_proxy_ctx_t *p; |
133 ngx_mail_proxy_conf_t *pcf; | |
134 ngx_mail_core_srv_conf_t *cscf; | |
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135 |
587 | 136 s->connection->log->action = "connecting to upstream"; |
137 | |
1136 | 138 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
587 | 139 |
1136 | 140 p = ngx_pcalloc(s->connection->pool, sizeof(ngx_mail_proxy_ctx_t)); |
501 | 141 if (p == NULL) { |
1136 | 142 ngx_mail_session_internal_server_error(s); |
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143 return; |
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144 } |
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145 |
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146 s->proxy = p; |
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147 |
884 | 148 p->upstream.sockaddr = peer->sockaddr; |
149 p->upstream.socklen = peer->socklen; | |
150 p->upstream.name = &peer->name; | |
151 p->upstream.get = ngx_event_get_peer; | |
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152 p->upstream.log = s->connection->log; |
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153 p->upstream.log_error = NGX_ERROR_ERR; |
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154 |
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155 rc = ngx_event_connect_peer(&p->upstream); |
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156 |
543 | 157 if (rc == NGX_ERROR || rc == NGX_BUSY || rc == NGX_DECLINED) { |
1136 | 158 ngx_mail_proxy_internal_server_error(s); |
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159 return; |
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160 } |
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161 |
527 | 162 ngx_add_timer(p->upstream.connection->read, cscf->timeout); |
163 | |
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164 p->upstream.connection->data = s; |
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165 p->upstream.connection->pool = s->connection->pool; |
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166 |
1136 | 167 s->connection->read->handler = ngx_mail_proxy_block_read; |
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168 p->upstream.connection->write->handler = ngx_mail_proxy_write_handler; |
1136 | 169 |
170 pcf = ngx_mail_get_module_srv_conf(s, ngx_mail_proxy_module); | |
171 | |
172 s->proxy->buffer = ngx_create_temp_buf(s->connection->pool, | |
173 pcf->buffer_size); | |
174 if (s->proxy->buffer == NULL) { | |
175 ngx_mail_proxy_internal_server_error(s); | |
176 return; | |
177 } | |
178 | |
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179 s->proxy->proxy_protocol = pcf->proxy_protocol; |
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180 |
1981 | 181 s->out.len = 0; |
182 | |
1136 | 183 switch (s->protocol) { |
527 | 184 |
1136 | 185 case NGX_MAIL_POP3_PROTOCOL: |
186 p->upstream.connection->read->handler = ngx_mail_proxy_pop3_handler; | |
187 s->mail_state = ngx_pop3_start; | |
188 break; | |
527 | 189 |
1136 | 190 case NGX_MAIL_IMAP_PROTOCOL: |
191 p->upstream.connection->read->handler = ngx_mail_proxy_imap_handler; | |
192 s->mail_state = ngx_imap_start; | |
193 break; | |
194 | |
195 default: /* NGX_MAIL_SMTP_PROTOCOL */ | |
196 p->upstream.connection->read->handler = ngx_mail_proxy_smtp_handler; | |
197 s->mail_state = ngx_smtp_start; | |
198 break; | |
527 | 199 } |
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200 |
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201 if (rc == NGX_AGAIN) { |
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202 return; |
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203 } |
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204 |
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205 ngx_mail_proxy_write_handler(p->upstream.connection->write); |
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206 } |
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207 |
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208 |
521 | 209 static void |
1136 | 210 ngx_mail_proxy_block_read(ngx_event_t *rev) |
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211 { |
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212 ngx_connection_t *c; |
1136 | 213 ngx_mail_session_t *s; |
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214 |
1136 | 215 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, rev->log, 0, "mail proxy block read"); |
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216 |
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217 if (ngx_handle_read_event(rev, 0) != NGX_OK) { |
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218 c = rev->data; |
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219 s = c->data; |
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220 |
1136 | 221 ngx_mail_proxy_close_session(s); |
419
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222 } |
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223 } |
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224 |
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225 |
521 | 226 static void |
1136 | 227 ngx_mail_proxy_pop3_handler(ngx_event_t *rev) |
418
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228 { |
539 | 229 u_char *p; |
230 ngx_int_t rc; | |
231 ngx_str_t line; | |
232 ngx_connection_t *c; | |
1136 | 233 ngx_mail_session_t *s; |
234 ngx_mail_proxy_conf_t *pcf; | |
419
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235 |
1136 | 236 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, rev->log, 0, |
237 "mail proxy pop3 auth handler"); | |
419
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238 |
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239 c = rev->data; |
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240 s = c->data; |
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241 |
423
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242 if (rev->timedout) { |
527 | 243 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, |
244 "upstream timed out"); | |
577 | 245 c->timedout = 1; |
1136 | 246 ngx_mail_proxy_internal_server_error(s); |
423
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247 return; |
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248 } |
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249 |
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250 if (s->proxy->proxy_protocol) { |
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251 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, c->log, 0, "mail proxy pop3 busy"); |
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252 |
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253 if (ngx_handle_read_event(c->read, 0) != NGX_OK) { |
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254 ngx_mail_proxy_internal_server_error(s); |
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255 return; |
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256 } |
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257 |
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258 return; |
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259 } |
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260 |
1136 | 261 rc = ngx_mail_proxy_read_response(s, 0); |
419
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262 |
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263 if (rc == NGX_AGAIN) { |
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264 if (ngx_handle_read_event(c->read, 0) != NGX_OK) { |
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265 ngx_mail_proxy_internal_server_error(s); |
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266 return; |
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267 } |
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268 |
419
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269 return; |
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270 } |
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271 |
571 | 272 if (rc == NGX_ERROR) { |
1136 | 273 ngx_mail_proxy_upstream_error(s); |
422
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274 return; |
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275 } |
419
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276 |
1136 | 277 switch (s->mail_state) { |
587 | 278 |
1136 | 279 case ngx_pop3_start: |
280 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, rev->log, 0, "mail proxy send user"); | |
422
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281 |
587 | 282 s->connection->log->action = "sending user name to upstream"; |
283 | |
1136 | 284 line.len = sizeof("USER ") - 1 + s->login.len + 2; |
2049 | 285 line.data = ngx_pnalloc(c->pool, line.len); |
527 | 286 if (line.data == NULL) { |
1136 | 287 ngx_mail_proxy_internal_server_error(s); |
527 | 288 return; |
289 } | |
290 | |
1136 | 291 p = ngx_cpymem(line.data, "USER ", sizeof("USER ") - 1); |
292 p = ngx_cpymem(p, s->login.data, s->login.len); | |
293 *p++ = CR; *p = LF; | |
527 | 294 |
1136 | 295 s->mail_state = ngx_pop3_user; |
527 | 296 break; |
297 | |
1136 | 298 case ngx_pop3_user: |
299 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, rev->log, 0, "mail proxy send pass"); | |
527 | 300 |
587 | 301 s->connection->log->action = "sending password to upstream"; |
302 | |
1136 | 303 line.len = sizeof("PASS ") - 1 + s->passwd.len + 2; |
2049 | 304 line.data = ngx_pnalloc(c->pool, line.len); |
501 | 305 if (line.data == NULL) { |
1136 | 306 ngx_mail_proxy_internal_server_error(s); |
527 | 307 return; |
308 } | |
309 | |
1136 | 310 p = ngx_cpymem(line.data, "PASS ", sizeof("PASS ") - 1); |
311 p = ngx_cpymem(p, s->passwd.data, s->passwd.len); | |
527 | 312 *p++ = CR; *p = LF; |
313 | |
1136 | 314 s->mail_state = ngx_pop3_passwd; |
527 | 315 break; |
316 | |
1136 | 317 case ngx_pop3_passwd: |
318 s->connection->read->handler = ngx_mail_proxy_handler; | |
319 s->connection->write->handler = ngx_mail_proxy_handler; | |
320 rev->handler = ngx_mail_proxy_handler; | |
321 c->write->handler = ngx_mail_proxy_handler; | |
663 | 322 |
1136 | 323 pcf = ngx_mail_get_module_srv_conf(s, ngx_mail_proxy_module); |
663 | 324 ngx_add_timer(s->connection->read, pcf->timeout); |
325 ngx_del_timer(c->read); | |
326 | |
327 c->log->action = NULL; | |
328 ngx_log_error(NGX_LOG_INFO, c->log, 0, "client logged in"); | |
329 | |
7838
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330 if (s->buffer->pos < s->buffer->last) { |
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331 ngx_post_event(c->write, &ngx_posted_events); |
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332 } |
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333 |
1136 | 334 ngx_mail_proxy_handler(s->connection->write); |
663 | 335 |
336 return; | |
337 | |
527 | 338 default: |
339 #if (NGX_SUPPRESS_WARN) | |
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340 ngx_str_null(&line); |
527 | 341 #endif |
342 break; | |
343 } | |
344 | |
539 | 345 if (c->send(c, line.data, line.len) < (ssize_t) line.len) { |
527 | 346 /* |
347 * we treat the incomplete sending as NGX_ERROR | |
348 * because it is very strange here | |
349 */ | |
1136 | 350 ngx_mail_proxy_internal_server_error(s); |
527 | 351 return; |
352 } | |
353 | |
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354 if (ngx_handle_read_event(c->read, 0) != NGX_OK) { |
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355 ngx_mail_proxy_internal_server_error(s); |
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356 return; |
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357 } |
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358 |
527 | 359 s->proxy->buffer->pos = s->proxy->buffer->start; |
360 s->proxy->buffer->last = s->proxy->buffer->start; | |
361 } | |
362 | |
363 | |
364 static void | |
1136 | 365 ngx_mail_proxy_imap_handler(ngx_event_t *rev) |
527 | 366 { |
539 | 367 u_char *p; |
368 ngx_int_t rc; | |
369 ngx_str_t line; | |
370 ngx_connection_t *c; | |
1136 | 371 ngx_mail_session_t *s; |
372 ngx_mail_proxy_conf_t *pcf; | |
527 | 373 |
1136 | 374 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, rev->log, 0, |
375 "mail proxy imap auth handler"); | |
527 | 376 |
377 c = rev->data; | |
378 s = c->data; | |
379 | |
380 if (rev->timedout) { | |
381 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, | |
382 "upstream timed out"); | |
577 | 383 c->timedout = 1; |
1136 | 384 ngx_mail_proxy_internal_server_error(s); |
527 | 385 return; |
386 } | |
387 | |
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388 if (s->proxy->proxy_protocol) { |
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389 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, c->log, 0, "mail proxy imap busy"); |
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390 |
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391 if (ngx_handle_read_event(c->read, 0) != NGX_OK) { |
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392 ngx_mail_proxy_internal_server_error(s); |
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393 return; |
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394 } |
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395 |
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396 return; |
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397 } |
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398 |
1136 | 399 rc = ngx_mail_proxy_read_response(s, s->mail_state); |
527 | 400 |
401 if (rc == NGX_AGAIN) { | |
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402 if (ngx_handle_read_event(c->read, 0) != NGX_OK) { |
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403 ngx_mail_proxy_internal_server_error(s); |
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404 return; |
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405 } |
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406 |
527 | 407 return; |
408 } | |
409 | |
571 | 410 if (rc == NGX_ERROR) { |
1136 | 411 ngx_mail_proxy_upstream_error(s); |
527 | 412 return; |
413 } | |
414 | |
1136 | 415 switch (s->mail_state) { |
527 | 416 |
1136 | 417 case ngx_imap_start: |
418 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, rev->log, 0, | |
419 "mail proxy send login"); | |
527 | 420 |
1136 | 421 s->connection->log->action = "sending LOGIN command to upstream"; |
587 | 422 |
1136 | 423 line.len = s->tag.len + sizeof("LOGIN ") - 1 |
424 + 1 + NGX_SIZE_T_LEN + 1 + 2; | |
2049 | 425 line.data = ngx_pnalloc(c->pool, line.len); |
527 | 426 if (line.data == NULL) { |
1136 | 427 ngx_mail_proxy_internal_server_error(s); |
419
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428 return; |
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429 } |
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430 |
1136 | 431 line.len = ngx_sprintf(line.data, "%VLOGIN {%uz}" CRLF, |
432 &s->tag, s->login.len) | |
433 - line.data; | |
422
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434 |
1136 | 435 s->mail_state = ngx_imap_login; |
527 | 436 break; |
437 | |
1136 | 438 case ngx_imap_login: |
439 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, rev->log, 0, "mail proxy send user"); | |
440 | |
441 s->connection->log->action = "sending user name to upstream"; | |
442 | |
443 line.len = s->login.len + 1 + 1 + NGX_SIZE_T_LEN + 1 + 2; | |
2049 | 444 line.data = ngx_pnalloc(c->pool, line.len); |
1136 | 445 if (line.data == NULL) { |
446 ngx_mail_proxy_internal_server_error(s); | |
447 return; | |
448 } | |
449 | |
450 line.len = ngx_sprintf(line.data, "%V {%uz}" CRLF, | |
451 &s->login, s->passwd.len) | |
452 - line.data; | |
453 | |
454 s->mail_state = ngx_imap_user; | |
455 break; | |
456 | |
457 case ngx_imap_user: | |
458 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, rev->log, 0, | |
459 "mail proxy send passwd"); | |
527 | 460 |
587 | 461 s->connection->log->action = "sending password to upstream"; |
462 | |
1136 | 463 line.len = s->passwd.len + 2; |
2049 | 464 line.data = ngx_pnalloc(c->pool, line.len); |
527 | 465 if (line.data == NULL) { |
1136 | 466 ngx_mail_proxy_internal_server_error(s); |
422
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467 return; |
419
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468 } |
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469 |
1136 | 470 p = ngx_cpymem(line.data, s->passwd.data, s->passwd.len); |
527 | 471 *p++ = CR; *p = LF; |
422
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
472 |
1136 | 473 s->mail_state = ngx_imap_passwd; |
527 | 474 break; |
422
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
475 |
1136 | 476 case ngx_imap_passwd: |
477 s->connection->read->handler = ngx_mail_proxy_handler; | |
478 s->connection->write->handler = ngx_mail_proxy_handler; | |
479 rev->handler = ngx_mail_proxy_handler; | |
480 c->write->handler = ngx_mail_proxy_handler; | |
663 | 481 |
1136 | 482 pcf = ngx_mail_get_module_srv_conf(s, ngx_mail_proxy_module); |
663 | 483 ngx_add_timer(s->connection->read, pcf->timeout); |
484 ngx_del_timer(c->read); | |
485 | |
486 c->log->action = NULL; | |
487 ngx_log_error(NGX_LOG_INFO, c->log, 0, "client logged in"); | |
488 | |
7843
b38728495e1a
Mail: IMAP pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7838
diff
changeset
|
489 if (s->buffer->pos < s->buffer->last) { |
b38728495e1a
Mail: IMAP pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7838
diff
changeset
|
490 ngx_post_event(c->write, &ngx_posted_events); |
b38728495e1a
Mail: IMAP pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7838
diff
changeset
|
491 } |
b38728495e1a
Mail: IMAP pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7838
diff
changeset
|
492 |
1136 | 493 ngx_mail_proxy_handler(s->connection->write); |
663 | 494 |
495 return; | |
496 | |
527 | 497 default: |
498 #if (NGX_SUPPRESS_WARN) | |
3516
dd1570b6f237
ngx_str_set() and ngx_str_null()
Igor Sysoev <igor@sysoev.ru>
parents:
3505
diff
changeset
|
499 ngx_str_null(&line); |
527 | 500 #endif |
501 break; | |
422
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
502 } |
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
503 |
539 | 504 if (c->send(c, line.data, line.len) < (ssize_t) line.len) { |
422
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
505 /* |
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
506 * we treat the incomplete sending as NGX_ERROR |
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
507 * because it is very strange here |
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
508 */ |
1136 | 509 ngx_mail_proxy_internal_server_error(s); |
422
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
510 return; |
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
511 } |
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
512 |
7790
da0a85e91587
Mail: added missing event handling after reading data.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7725
diff
changeset
|
513 if (ngx_handle_read_event(c->read, 0) != NGX_OK) { |
da0a85e91587
Mail: added missing event handling after reading data.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7725
diff
changeset
|
514 ngx_mail_proxy_internal_server_error(s); |
da0a85e91587
Mail: added missing event handling after reading data.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7725
diff
changeset
|
515 return; |
da0a85e91587
Mail: added missing event handling after reading data.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7725
diff
changeset
|
516 } |
da0a85e91587
Mail: added missing event handling after reading data.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7725
diff
changeset
|
517 |
422
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
518 s->proxy->buffer->pos = s->proxy->buffer->start; |
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
519 s->proxy->buffer->last = s->proxy->buffer->start; |
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
520 } |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
521 |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
522 |
521 | 523 static void |
1136 | 524 ngx_mail_proxy_smtp_handler(ngx_event_t *rev) |
525 { | |
526 u_char *p; | |
527 ngx_int_t rc; | |
7725
d63c5373b5ba
Mail: proxy_smtp_auth directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7156
diff
changeset
|
528 ngx_str_t line, auth, encoded; |
2309 | 529 ngx_buf_t *b; |
1136 | 530 ngx_connection_t *c; |
531 ngx_mail_session_t *s; | |
532 ngx_mail_proxy_conf_t *pcf; | |
533 ngx_mail_core_srv_conf_t *cscf; | |
534 | |
535 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, rev->log, 0, | |
536 "mail proxy smtp auth handler"); | |
537 | |
538 c = rev->data; | |
539 s = c->data; | |
540 | |
541 if (rev->timedout) { | |
542 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, | |
543 "upstream timed out"); | |
544 c->timedout = 1; | |
545 ngx_mail_proxy_internal_server_error(s); | |
546 return; | |
547 } | |
548 | |
7796
4b8f23a36ebf
Mail: sending of the PROXY protocol to backends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7790
diff
changeset
|
549 if (s->proxy->proxy_protocol) { |
4b8f23a36ebf
Mail: sending of the PROXY protocol to backends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7790
diff
changeset
|
550 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, c->log, 0, "mail proxy smtp busy"); |
4b8f23a36ebf
Mail: sending of the PROXY protocol to backends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7790
diff
changeset
|
551 |
4b8f23a36ebf
Mail: sending of the PROXY protocol to backends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7790
diff
changeset
|
552 if (ngx_handle_read_event(c->read, 0) != NGX_OK) { |
4b8f23a36ebf
Mail: sending of the PROXY protocol to backends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7790
diff
changeset
|
553 ngx_mail_proxy_internal_server_error(s); |
4b8f23a36ebf
Mail: sending of the PROXY protocol to backends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7790
diff
changeset
|
554 return; |
4b8f23a36ebf
Mail: sending of the PROXY protocol to backends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7790
diff
changeset
|
555 } |
4b8f23a36ebf
Mail: sending of the PROXY protocol to backends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7790
diff
changeset
|
556 |
4b8f23a36ebf
Mail: sending of the PROXY protocol to backends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7790
diff
changeset
|
557 return; |
4b8f23a36ebf
Mail: sending of the PROXY protocol to backends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7790
diff
changeset
|
558 } |
4b8f23a36ebf
Mail: sending of the PROXY protocol to backends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7790
diff
changeset
|
559 |
1136 | 560 rc = ngx_mail_proxy_read_response(s, s->mail_state); |
561 | |
562 if (rc == NGX_AGAIN) { | |
7790
da0a85e91587
Mail: added missing event handling after reading data.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7725
diff
changeset
|
563 if (ngx_handle_read_event(c->read, 0) != NGX_OK) { |
da0a85e91587
Mail: added missing event handling after reading data.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7725
diff
changeset
|
564 ngx_mail_proxy_internal_server_error(s); |
da0a85e91587
Mail: added missing event handling after reading data.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7725
diff
changeset
|
565 return; |
da0a85e91587
Mail: added missing event handling after reading data.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7725
diff
changeset
|
566 } |
da0a85e91587
Mail: added missing event handling after reading data.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7725
diff
changeset
|
567 |
1136 | 568 return; |
569 } | |
570 | |
571 if (rc == NGX_ERROR) { | |
572 ngx_mail_proxy_upstream_error(s); | |
573 return; | |
574 } | |
575 | |
576 switch (s->mail_state) { | |
577 | |
578 case ngx_smtp_start: | |
579 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, rev->log, 0, "mail proxy send ehlo"); | |
580 | |
581 s->connection->log->action = "sending HELO/EHLO to upstream"; | |
582 | |
583 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); | |
584 | |
585 line.len = sizeof("HELO ") - 1 + cscf->server_name.len + 2; | |
2049 | 586 line.data = ngx_pnalloc(c->pool, line.len); |
1136 | 587 if (line.data == NULL) { |
588 ngx_mail_proxy_internal_server_error(s); | |
589 return; | |
590 } | |
591 | |
592 pcf = ngx_mail_get_module_srv_conf(s, ngx_mail_proxy_module); | |
593 | |
594 p = ngx_cpymem(line.data, | |
595 ((s->esmtp || pcf->xclient) ? "EHLO " : "HELO "), | |
596 sizeof("HELO ") - 1); | |
597 | |
598 p = ngx_cpymem(p, cscf->server_name.data, cscf->server_name.len); | |
599 *p++ = CR; *p = LF; | |
600 | |
2309 | 601 if (pcf->xclient) { |
602 s->mail_state = ngx_smtp_helo_xclient; | |
603 | |
604 } else if (s->auth_method == NGX_MAIL_AUTH_NONE) { | |
605 s->mail_state = ngx_smtp_helo_from; | |
606 | |
7725
d63c5373b5ba
Mail: proxy_smtp_auth directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7156
diff
changeset
|
607 } else if (pcf->smtp_auth) { |
d63c5373b5ba
Mail: proxy_smtp_auth directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7156
diff
changeset
|
608 s->mail_state = ngx_smtp_helo_auth; |
d63c5373b5ba
Mail: proxy_smtp_auth directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7156
diff
changeset
|
609 |
2309 | 610 } else { |
611 s->mail_state = ngx_smtp_helo; | |
612 } | |
1136 | 613 |
614 break; | |
615 | |
2309 | 616 case ngx_smtp_helo_xclient: |
1136 | 617 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, rev->log, 0, |
618 "mail proxy send xclient"); | |
619 | |
620 s->connection->log->action = "sending XCLIENT to upstream"; | |
621 | |
2497 | 622 line.len = sizeof("XCLIENT ADDR= LOGIN= NAME=" |
1892
057d362ee50e
resolver in smtp proxy module
Igor Sysoev <igor@sysoev.ru>
parents:
1487
diff
changeset
|
623 CRLF) - 1 |
057d362ee50e
resolver in smtp proxy module
Igor Sysoev <igor@sysoev.ru>
parents:
1487
diff
changeset
|
624 + s->connection->addr_text.len + s->login.len + s->host.len; |
1136 | 625 |
5522
bb3dc21c89ef
Mail: fixed passing of IPv6 client address in XCLIENT.
Ruslan Ermilov <ru@nginx.com>
parents:
5399
diff
changeset
|
626 #if (NGX_HAVE_INET6) |
bb3dc21c89ef
Mail: fixed passing of IPv6 client address in XCLIENT.
Ruslan Ermilov <ru@nginx.com>
parents:
5399
diff
changeset
|
627 if (s->connection->sockaddr->sa_family == AF_INET6) { |
bb3dc21c89ef
Mail: fixed passing of IPv6 client address in XCLIENT.
Ruslan Ermilov <ru@nginx.com>
parents:
5399
diff
changeset
|
628 line.len += sizeof("IPV6:") - 1; |
bb3dc21c89ef
Mail: fixed passing of IPv6 client address in XCLIENT.
Ruslan Ermilov <ru@nginx.com>
parents:
5399
diff
changeset
|
629 } |
bb3dc21c89ef
Mail: fixed passing of IPv6 client address in XCLIENT.
Ruslan Ermilov <ru@nginx.com>
parents:
5399
diff
changeset
|
630 #endif |
bb3dc21c89ef
Mail: fixed passing of IPv6 client address in XCLIENT.
Ruslan Ermilov <ru@nginx.com>
parents:
5399
diff
changeset
|
631 |
2049 | 632 line.data = ngx_pnalloc(c->pool, line.len); |
1136 | 633 if (line.data == NULL) { |
634 ngx_mail_proxy_internal_server_error(s); | |
635 return; | |
636 } | |
637 | |
5522
bb3dc21c89ef
Mail: fixed passing of IPv6 client address in XCLIENT.
Ruslan Ermilov <ru@nginx.com>
parents:
5399
diff
changeset
|
638 p = ngx_cpymem(line.data, "XCLIENT ADDR=", sizeof("XCLIENT ADDR=") - 1); |
bb3dc21c89ef
Mail: fixed passing of IPv6 client address in XCLIENT.
Ruslan Ermilov <ru@nginx.com>
parents:
5399
diff
changeset
|
639 |
bb3dc21c89ef
Mail: fixed passing of IPv6 client address in XCLIENT.
Ruslan Ermilov <ru@nginx.com>
parents:
5399
diff
changeset
|
640 #if (NGX_HAVE_INET6) |
bb3dc21c89ef
Mail: fixed passing of IPv6 client address in XCLIENT.
Ruslan Ermilov <ru@nginx.com>
parents:
5399
diff
changeset
|
641 if (s->connection->sockaddr->sa_family == AF_INET6) { |
bb3dc21c89ef
Mail: fixed passing of IPv6 client address in XCLIENT.
Ruslan Ermilov <ru@nginx.com>
parents:
5399
diff
changeset
|
642 p = ngx_cpymem(p, "IPV6:", sizeof("IPV6:") - 1); |
bb3dc21c89ef
Mail: fixed passing of IPv6 client address in XCLIENT.
Ruslan Ermilov <ru@nginx.com>
parents:
5399
diff
changeset
|
643 } |
bb3dc21c89ef
Mail: fixed passing of IPv6 client address in XCLIENT.
Ruslan Ermilov <ru@nginx.com>
parents:
5399
diff
changeset
|
644 #endif |
bb3dc21c89ef
Mail: fixed passing of IPv6 client address in XCLIENT.
Ruslan Ermilov <ru@nginx.com>
parents:
5399
diff
changeset
|
645 |
bb3dc21c89ef
Mail: fixed passing of IPv6 client address in XCLIENT.
Ruslan Ermilov <ru@nginx.com>
parents:
5399
diff
changeset
|
646 p = ngx_copy(p, s->connection->addr_text.data, |
bb3dc21c89ef
Mail: fixed passing of IPv6 client address in XCLIENT.
Ruslan Ermilov <ru@nginx.com>
parents:
5399
diff
changeset
|
647 s->connection->addr_text.len); |
bb3dc21c89ef
Mail: fixed passing of IPv6 client address in XCLIENT.
Ruslan Ermilov <ru@nginx.com>
parents:
5399
diff
changeset
|
648 |
7725
d63c5373b5ba
Mail: proxy_smtp_auth directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7156
diff
changeset
|
649 pcf = ngx_mail_get_module_srv_conf(s, ngx_mail_proxy_module); |
d63c5373b5ba
Mail: proxy_smtp_auth directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7156
diff
changeset
|
650 |
d63c5373b5ba
Mail: proxy_smtp_auth directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7156
diff
changeset
|
651 if (s->login.len && !pcf->smtp_auth) { |
5522
bb3dc21c89ef
Mail: fixed passing of IPv6 client address in XCLIENT.
Ruslan Ermilov <ru@nginx.com>
parents:
5399
diff
changeset
|
652 p = ngx_cpymem(p, " LOGIN=", sizeof(" LOGIN=") - 1); |
bb3dc21c89ef
Mail: fixed passing of IPv6 client address in XCLIENT.
Ruslan Ermilov <ru@nginx.com>
parents:
5399
diff
changeset
|
653 p = ngx_copy(p, s->login.data, s->login.len); |
bb3dc21c89ef
Mail: fixed passing of IPv6 client address in XCLIENT.
Ruslan Ermilov <ru@nginx.com>
parents:
5399
diff
changeset
|
654 } |
bb3dc21c89ef
Mail: fixed passing of IPv6 client address in XCLIENT.
Ruslan Ermilov <ru@nginx.com>
parents:
5399
diff
changeset
|
655 |
bb3dc21c89ef
Mail: fixed passing of IPv6 client address in XCLIENT.
Ruslan Ermilov <ru@nginx.com>
parents:
5399
diff
changeset
|
656 p = ngx_cpymem(p, " NAME=", sizeof(" NAME=") - 1); |
bb3dc21c89ef
Mail: fixed passing of IPv6 client address in XCLIENT.
Ruslan Ermilov <ru@nginx.com>
parents:
5399
diff
changeset
|
657 p = ngx_copy(p, s->host.data, s->host.len); |
bb3dc21c89ef
Mail: fixed passing of IPv6 client address in XCLIENT.
Ruslan Ermilov <ru@nginx.com>
parents:
5399
diff
changeset
|
658 |
bb3dc21c89ef
Mail: fixed passing of IPv6 client address in XCLIENT.
Ruslan Ermilov <ru@nginx.com>
parents:
5399
diff
changeset
|
659 *p++ = CR; *p++ = LF; |
bb3dc21c89ef
Mail: fixed passing of IPv6 client address in XCLIENT.
Ruslan Ermilov <ru@nginx.com>
parents:
5399
diff
changeset
|
660 |
bb3dc21c89ef
Mail: fixed passing of IPv6 client address in XCLIENT.
Ruslan Ermilov <ru@nginx.com>
parents:
5399
diff
changeset
|
661 line.len = p - line.data; |
2309 | 662 |
2497 | 663 if (s->smtp_helo.len) { |
664 s->mail_state = ngx_smtp_xclient_helo; | |
665 | |
666 } else if (s->auth_method == NGX_MAIL_AUTH_NONE) { | |
667 s->mail_state = ngx_smtp_xclient_from; | |
668 | |
7725
d63c5373b5ba
Mail: proxy_smtp_auth directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7156
diff
changeset
|
669 } else if (pcf->smtp_auth) { |
d63c5373b5ba
Mail: proxy_smtp_auth directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7156
diff
changeset
|
670 s->mail_state = ngx_smtp_xclient_auth; |
d63c5373b5ba
Mail: proxy_smtp_auth directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7156
diff
changeset
|
671 |
2497 | 672 } else { |
673 s->mail_state = ngx_smtp_xclient; | |
674 } | |
675 | |
676 break; | |
677 | |
678 case ngx_smtp_xclient_helo: | |
679 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, rev->log, 0, | |
680 "mail proxy send client ehlo"); | |
681 | |
682 s->connection->log->action = "sending client HELO/EHLO to upstream"; | |
683 | |
684 line.len = sizeof("HELO " CRLF) - 1 + s->smtp_helo.len; | |
685 | |
686 line.data = ngx_pnalloc(c->pool, line.len); | |
687 if (line.data == NULL) { | |
688 ngx_mail_proxy_internal_server_error(s); | |
689 return; | |
690 } | |
691 | |
692 line.len = ngx_sprintf(line.data, | |
693 ((s->esmtp) ? "EHLO %V" CRLF : "HELO %V" CRLF), | |
694 &s->smtp_helo) | |
695 - line.data; | |
696 | |
7725
d63c5373b5ba
Mail: proxy_smtp_auth directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7156
diff
changeset
|
697 pcf = ngx_mail_get_module_srv_conf(s, ngx_mail_proxy_module); |
d63c5373b5ba
Mail: proxy_smtp_auth directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7156
diff
changeset
|
698 |
d63c5373b5ba
Mail: proxy_smtp_auth directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7156
diff
changeset
|
699 if (s->auth_method == NGX_MAIL_AUTH_NONE) { |
d63c5373b5ba
Mail: proxy_smtp_auth directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7156
diff
changeset
|
700 s->mail_state = ngx_smtp_helo_from; |
d63c5373b5ba
Mail: proxy_smtp_auth directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7156
diff
changeset
|
701 |
d63c5373b5ba
Mail: proxy_smtp_auth directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7156
diff
changeset
|
702 } else if (pcf->smtp_auth) { |
d63c5373b5ba
Mail: proxy_smtp_auth directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7156
diff
changeset
|
703 s->mail_state = ngx_smtp_helo_auth; |
d63c5373b5ba
Mail: proxy_smtp_auth directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7156
diff
changeset
|
704 |
d63c5373b5ba
Mail: proxy_smtp_auth directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7156
diff
changeset
|
705 } else { |
d63c5373b5ba
Mail: proxy_smtp_auth directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7156
diff
changeset
|
706 s->mail_state = ngx_smtp_helo; |
d63c5373b5ba
Mail: proxy_smtp_auth directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7156
diff
changeset
|
707 } |
d63c5373b5ba
Mail: proxy_smtp_auth directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7156
diff
changeset
|
708 |
d63c5373b5ba
Mail: proxy_smtp_auth directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7156
diff
changeset
|
709 break; |
d63c5373b5ba
Mail: proxy_smtp_auth directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7156
diff
changeset
|
710 |
d63c5373b5ba
Mail: proxy_smtp_auth directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7156
diff
changeset
|
711 case ngx_smtp_helo_auth: |
d63c5373b5ba
Mail: proxy_smtp_auth directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7156
diff
changeset
|
712 case ngx_smtp_xclient_auth: |
d63c5373b5ba
Mail: proxy_smtp_auth directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7156
diff
changeset
|
713 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, rev->log, 0, |
d63c5373b5ba
Mail: proxy_smtp_auth directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7156
diff
changeset
|
714 "mail proxy send auth"); |
d63c5373b5ba
Mail: proxy_smtp_auth directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7156
diff
changeset
|
715 |
d63c5373b5ba
Mail: proxy_smtp_auth directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7156
diff
changeset
|
716 s->connection->log->action = "sending AUTH to upstream"; |
d63c5373b5ba
Mail: proxy_smtp_auth directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7156
diff
changeset
|
717 |
d63c5373b5ba
Mail: proxy_smtp_auth directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7156
diff
changeset
|
718 if (s->passwd.data == NULL) { |
d63c5373b5ba
Mail: proxy_smtp_auth directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7156
diff
changeset
|
719 ngx_log_error(NGX_LOG_ERR, s->connection->log, 0, |
d63c5373b5ba
Mail: proxy_smtp_auth directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7156
diff
changeset
|
720 "no password available"); |
d63c5373b5ba
Mail: proxy_smtp_auth directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7156
diff
changeset
|
721 ngx_mail_proxy_internal_server_error(s); |
d63c5373b5ba
Mail: proxy_smtp_auth directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7156
diff
changeset
|
722 return; |
d63c5373b5ba
Mail: proxy_smtp_auth directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7156
diff
changeset
|
723 } |
d63c5373b5ba
Mail: proxy_smtp_auth directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7156
diff
changeset
|
724 |
d63c5373b5ba
Mail: proxy_smtp_auth directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7156
diff
changeset
|
725 auth.len = 1 + s->login.len + 1 + s->passwd.len; |
d63c5373b5ba
Mail: proxy_smtp_auth directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7156
diff
changeset
|
726 auth.data = ngx_pnalloc(c->pool, auth.len); |
d63c5373b5ba
Mail: proxy_smtp_auth directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7156
diff
changeset
|
727 if (auth.data == NULL) { |
d63c5373b5ba
Mail: proxy_smtp_auth directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7156
diff
changeset
|
728 ngx_mail_proxy_internal_server_error(s); |
d63c5373b5ba
Mail: proxy_smtp_auth directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7156
diff
changeset
|
729 return; |
d63c5373b5ba
Mail: proxy_smtp_auth directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7156
diff
changeset
|
730 } |
d63c5373b5ba
Mail: proxy_smtp_auth directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7156
diff
changeset
|
731 |
d63c5373b5ba
Mail: proxy_smtp_auth directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7156
diff
changeset
|
732 auth.len = ngx_sprintf(auth.data, "%Z%V%Z%V", &s->login, &s->passwd) |
d63c5373b5ba
Mail: proxy_smtp_auth directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7156
diff
changeset
|
733 - auth.data; |
d63c5373b5ba
Mail: proxy_smtp_auth directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7156
diff
changeset
|
734 |
d63c5373b5ba
Mail: proxy_smtp_auth directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7156
diff
changeset
|
735 line.len = sizeof("AUTH PLAIN " CRLF) - 1 |
d63c5373b5ba
Mail: proxy_smtp_auth directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7156
diff
changeset
|
736 + ngx_base64_encoded_length(auth.len); |
d63c5373b5ba
Mail: proxy_smtp_auth directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7156
diff
changeset
|
737 |
d63c5373b5ba
Mail: proxy_smtp_auth directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7156
diff
changeset
|
738 line.data = ngx_pnalloc(c->pool, line.len); |
d63c5373b5ba
Mail: proxy_smtp_auth directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7156
diff
changeset
|
739 if (line.data == NULL) { |
d63c5373b5ba
Mail: proxy_smtp_auth directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7156
diff
changeset
|
740 ngx_mail_proxy_internal_server_error(s); |
d63c5373b5ba
Mail: proxy_smtp_auth directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7156
diff
changeset
|
741 return; |
d63c5373b5ba
Mail: proxy_smtp_auth directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7156
diff
changeset
|
742 } |
d63c5373b5ba
Mail: proxy_smtp_auth directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7156
diff
changeset
|
743 |
d63c5373b5ba
Mail: proxy_smtp_auth directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7156
diff
changeset
|
744 encoded.data = ngx_cpymem(line.data, "AUTH PLAIN ", |
d63c5373b5ba
Mail: proxy_smtp_auth directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7156
diff
changeset
|
745 sizeof("AUTH PLAIN ") - 1); |
d63c5373b5ba
Mail: proxy_smtp_auth directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7156
diff
changeset
|
746 |
d63c5373b5ba
Mail: proxy_smtp_auth directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7156
diff
changeset
|
747 ngx_encode_base64(&encoded, &auth); |
d63c5373b5ba
Mail: proxy_smtp_auth directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7156
diff
changeset
|
748 |
d63c5373b5ba
Mail: proxy_smtp_auth directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7156
diff
changeset
|
749 p = encoded.data + encoded.len; |
d63c5373b5ba
Mail: proxy_smtp_auth directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7156
diff
changeset
|
750 *p++ = CR; *p = LF; |
d63c5373b5ba
Mail: proxy_smtp_auth directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7156
diff
changeset
|
751 |
d63c5373b5ba
Mail: proxy_smtp_auth directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7156
diff
changeset
|
752 s->mail_state = ngx_smtp_auth_plain; |
2309 | 753 |
754 break; | |
755 | |
756 case ngx_smtp_helo_from: | |
757 case ngx_smtp_xclient_from: | |
758 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, rev->log, 0, | |
759 "mail proxy send mail from"); | |
760 | |
761 s->connection->log->action = "sending MAIL FROM to upstream"; | |
762 | |
763 line.len = s->smtp_from.len + sizeof(CRLF) - 1; | |
764 line.data = ngx_pnalloc(c->pool, line.len); | |
765 if (line.data == NULL) { | |
766 ngx_mail_proxy_internal_server_error(s); | |
767 return; | |
1136 | 768 } |
769 | |
2309 | 770 p = ngx_cpymem(line.data, s->smtp_from.data, s->smtp_from.len); |
771 *p++ = CR; *p = LF; | |
772 | |
773 s->mail_state = ngx_smtp_from; | |
774 | |
1136 | 775 break; |
776 | |
2309 | 777 case ngx_smtp_from: |
778 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, rev->log, 0, | |
779 "mail proxy send rcpt to"); | |
780 | |
781 s->connection->log->action = "sending RCPT TO to upstream"; | |
782 | |
783 line.len = s->smtp_to.len + sizeof(CRLF) - 1; | |
784 line.data = ngx_pnalloc(c->pool, line.len); | |
785 if (line.data == NULL) { | |
786 ngx_mail_proxy_internal_server_error(s); | |
787 return; | |
788 } | |
789 | |
790 p = ngx_cpymem(line.data, s->smtp_to.data, s->smtp_to.len); | |
791 *p++ = CR; *p = LF; | |
792 | |
793 s->mail_state = ngx_smtp_to; | |
1136 | 794 |
2309 | 795 break; |
796 | |
797 case ngx_smtp_helo: | |
798 case ngx_smtp_xclient: | |
7725
d63c5373b5ba
Mail: proxy_smtp_auth directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7156
diff
changeset
|
799 case ngx_smtp_auth_plain: |
2309 | 800 case ngx_smtp_to: |
801 | |
802 b = s->proxy->buffer; | |
1136 | 803 |
2309 | 804 if (s->auth_method == NGX_MAIL_AUTH_NONE) { |
2311
6bad42a41dd8
do not close session if SMTP backend returned an error on RCPT TO
Igor Sysoev <igor@sysoev.ru>
parents:
2309
diff
changeset
|
805 b->pos = b->start; |
2309 | 806 |
807 } else { | |
2440
939b40aa9ab4
update r2439: make clear name
Igor Sysoev <igor@sysoev.ru>
parents:
2438
diff
changeset
|
808 ngx_memcpy(b->start, smtp_auth_ok, sizeof(smtp_auth_ok) - 1); |
939b40aa9ab4
update r2439: make clear name
Igor Sysoev <igor@sysoev.ru>
parents:
2438
diff
changeset
|
809 b->last = b->start + sizeof(smtp_auth_ok) - 1; |
2309 | 810 } |
811 | |
1136 | 812 s->connection->read->handler = ngx_mail_proxy_handler; |
813 s->connection->write->handler = ngx_mail_proxy_handler; | |
814 rev->handler = ngx_mail_proxy_handler; | |
815 c->write->handler = ngx_mail_proxy_handler; | |
816 | |
817 pcf = ngx_mail_get_module_srv_conf(s, ngx_mail_proxy_module); | |
818 ngx_add_timer(s->connection->read, pcf->timeout); | |
819 ngx_del_timer(c->read); | |
820 | |
821 c->log->action = NULL; | |
822 ngx_log_error(NGX_LOG_INFO, c->log, 0, "client logged in"); | |
823 | |
7835
c72d8839f427
Mail: fixed SMTP pipelining to send the response immediately.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7796
diff
changeset
|
824 if (s->buffer->pos < s->buffer->last) { |
c72d8839f427
Mail: fixed SMTP pipelining to send the response immediately.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7796
diff
changeset
|
825 ngx_post_event(c->write, &ngx_posted_events); |
c72d8839f427
Mail: fixed SMTP pipelining to send the response immediately.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7796
diff
changeset
|
826 } |
5398
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
827 |
7835
c72d8839f427
Mail: fixed SMTP pipelining to send the response immediately.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7796
diff
changeset
|
828 ngx_mail_proxy_handler(s->connection->write); |
1136 | 829 |
830 return; | |
831 | |
832 default: | |
833 #if (NGX_SUPPRESS_WARN) | |
3516
dd1570b6f237
ngx_str_set() and ngx_str_null()
Igor Sysoev <igor@sysoev.ru>
parents:
3505
diff
changeset
|
834 ngx_str_null(&line); |
1136 | 835 #endif |
836 break; | |
837 } | |
838 | |
839 if (c->send(c, line.data, line.len) < (ssize_t) line.len) { | |
840 /* | |
841 * we treat the incomplete sending as NGX_ERROR | |
842 * because it is very strange here | |
843 */ | |
844 ngx_mail_proxy_internal_server_error(s); | |
845 return; | |
846 } | |
847 | |
7790
da0a85e91587
Mail: added missing event handling after reading data.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7725
diff
changeset
|
848 if (ngx_handle_read_event(c->read, 0) != NGX_OK) { |
da0a85e91587
Mail: added missing event handling after reading data.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7725
diff
changeset
|
849 ngx_mail_proxy_internal_server_error(s); |
da0a85e91587
Mail: added missing event handling after reading data.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7725
diff
changeset
|
850 return; |
da0a85e91587
Mail: added missing event handling after reading data.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7725
diff
changeset
|
851 } |
da0a85e91587
Mail: added missing event handling after reading data.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7725
diff
changeset
|
852 |
1136 | 853 s->proxy->buffer->pos = s->proxy->buffer->start; |
854 s->proxy->buffer->last = s->proxy->buffer->start; | |
855 } | |
856 | |
857 | |
858 static void | |
7796
4b8f23a36ebf
Mail: sending of the PROXY protocol to backends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7790
diff
changeset
|
859 ngx_mail_proxy_write_handler(ngx_event_t *wev) |
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
860 { |
583 | 861 ngx_connection_t *c; |
1136 | 862 ngx_mail_session_t *s; |
583 | 863 |
7796
4b8f23a36ebf
Mail: sending of the PROXY protocol to backends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7790
diff
changeset
|
864 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, wev->log, 0, "mail proxy write handler"); |
4b8f23a36ebf
Mail: sending of the PROXY protocol to backends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7790
diff
changeset
|
865 |
4b8f23a36ebf
Mail: sending of the PROXY protocol to backends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7790
diff
changeset
|
866 c = wev->data; |
4b8f23a36ebf
Mail: sending of the PROXY protocol to backends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7790
diff
changeset
|
867 s = c->data; |
4b8f23a36ebf
Mail: sending of the PROXY protocol to backends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7790
diff
changeset
|
868 |
4b8f23a36ebf
Mail: sending of the PROXY protocol to backends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7790
diff
changeset
|
869 if (s->proxy->proxy_protocol) { |
4b8f23a36ebf
Mail: sending of the PROXY protocol to backends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7790
diff
changeset
|
870 if (ngx_mail_proxy_send_proxy_protocol(s) != NGX_OK) { |
4b8f23a36ebf
Mail: sending of the PROXY protocol to backends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7790
diff
changeset
|
871 return; |
4b8f23a36ebf
Mail: sending of the PROXY protocol to backends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7790
diff
changeset
|
872 } |
4b8f23a36ebf
Mail: sending of the PROXY protocol to backends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7790
diff
changeset
|
873 |
4b8f23a36ebf
Mail: sending of the PROXY protocol to backends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7790
diff
changeset
|
874 s->proxy->proxy_protocol = 0; |
4b8f23a36ebf
Mail: sending of the PROXY protocol to backends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7790
diff
changeset
|
875 } |
583 | 876 |
2388
722b5aff05ae
use "!= NGX_OK" instead of "== NGX_ERROR"
Igor Sysoev <igor@sysoev.ru>
parents:
2311
diff
changeset
|
877 if (ngx_handle_write_event(wev, 0) != NGX_OK) { |
7796
4b8f23a36ebf
Mail: sending of the PROXY protocol to backends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7790
diff
changeset
|
878 ngx_mail_proxy_internal_server_error(s); |
4b8f23a36ebf
Mail: sending of the PROXY protocol to backends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7790
diff
changeset
|
879 } |
4b8f23a36ebf
Mail: sending of the PROXY protocol to backends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7790
diff
changeset
|
880 |
4b8f23a36ebf
Mail: sending of the PROXY protocol to backends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7790
diff
changeset
|
881 if (c->read->ready) { |
4b8f23a36ebf
Mail: sending of the PROXY protocol to backends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7790
diff
changeset
|
882 ngx_post_event(c->read, &ngx_posted_events); |
4b8f23a36ebf
Mail: sending of the PROXY protocol to backends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7790
diff
changeset
|
883 } |
4b8f23a36ebf
Mail: sending of the PROXY protocol to backends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7790
diff
changeset
|
884 } |
4b8f23a36ebf
Mail: sending of the PROXY protocol to backends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7790
diff
changeset
|
885 |
4b8f23a36ebf
Mail: sending of the PROXY protocol to backends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7790
diff
changeset
|
886 |
4b8f23a36ebf
Mail: sending of the PROXY protocol to backends.
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diff
changeset
|
887 static ngx_int_t |
4b8f23a36ebf
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|
888 ngx_mail_proxy_send_proxy_protocol(ngx_mail_session_t *s) |
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Mail: sending of the PROXY protocol to backends.
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diff
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|
889 { |
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Mail: sending of the PROXY protocol to backends.
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diff
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|
890 u_char *p; |
4b8f23a36ebf
Mail: sending of the PROXY protocol to backends.
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parents:
7790
diff
changeset
|
891 ssize_t n, size; |
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parents:
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diff
changeset
|
892 ngx_connection_t *c; |
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Mail: sending of the PROXY protocol to backends.
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parents:
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diff
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|
893 u_char buf[NGX_PROXY_PROTOCOL_MAX_HEADER]; |
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Mail: sending of the PROXY protocol to backends.
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parents:
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diff
changeset
|
894 |
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Mail: sending of the PROXY protocol to backends.
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parents:
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diff
changeset
|
895 s->connection->log->action = "sending PROXY protocol header to upstream"; |
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Mail: sending of the PROXY protocol to backends.
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diff
changeset
|
896 |
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Mail: sending of the PROXY protocol to backends.
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diff
changeset
|
897 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, s->connection->log, 0, |
4b8f23a36ebf
Mail: sending of the PROXY protocol to backends.
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parents:
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diff
changeset
|
898 "mail proxy send PROXY protocol header"); |
4b8f23a36ebf
Mail: sending of the PROXY protocol to backends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
899 |
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Mail: sending of the PROXY protocol to backends.
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parents:
7790
diff
changeset
|
900 p = ngx_proxy_protocol_write(s->connection, buf, |
4b8f23a36ebf
Mail: sending of the PROXY protocol to backends.
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parents:
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diff
changeset
|
901 buf + NGX_PROXY_PROTOCOL_MAX_HEADER); |
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Mail: sending of the PROXY protocol to backends.
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parents:
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diff
changeset
|
902 if (p == NULL) { |
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Mail: sending of the PROXY protocol to backends.
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parents:
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diff
changeset
|
903 ngx_mail_proxy_internal_server_error(s); |
4b8f23a36ebf
Mail: sending of the PROXY protocol to backends.
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parents:
7790
diff
changeset
|
904 return NGX_ERROR; |
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Mail: sending of the PROXY protocol to backends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
905 } |
4b8f23a36ebf
Mail: sending of the PROXY protocol to backends.
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parents:
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diff
changeset
|
906 |
4b8f23a36ebf
Mail: sending of the PROXY protocol to backends.
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parents:
7790
diff
changeset
|
907 c = s->proxy->upstream.connection; |
4b8f23a36ebf
Mail: sending of the PROXY protocol to backends.
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parents:
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diff
changeset
|
908 |
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Mail: sending of the PROXY protocol to backends.
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parents:
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diff
changeset
|
909 size = p - buf; |
583 | 910 |
7796
4b8f23a36ebf
Mail: sending of the PROXY protocol to backends.
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parents:
7790
diff
changeset
|
911 n = c->send(c, buf, size); |
4b8f23a36ebf
Mail: sending of the PROXY protocol to backends.
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diff
changeset
|
912 |
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Mail: sending of the PROXY protocol to backends.
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parents:
7790
diff
changeset
|
913 if (n == NGX_AGAIN) { |
4b8f23a36ebf
Mail: sending of the PROXY protocol to backends.
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parents:
7790
diff
changeset
|
914 if (ngx_handle_write_event(c->write, 0) != NGX_OK) { |
4b8f23a36ebf
Mail: sending of the PROXY protocol to backends.
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parents:
7790
diff
changeset
|
915 ngx_mail_proxy_internal_server_error(s); |
4b8f23a36ebf
Mail: sending of the PROXY protocol to backends.
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parents:
7790
diff
changeset
|
916 return NGX_ERROR; |
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Mail: sending of the PROXY protocol to backends.
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parents:
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diff
changeset
|
917 } |
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Mail: sending of the PROXY protocol to backends.
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parents:
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diff
changeset
|
918 |
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Mail: sending of the PROXY protocol to backends.
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parents:
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diff
changeset
|
919 return NGX_AGAIN; |
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Mail: sending of the PROXY protocol to backends.
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parents:
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diff
changeset
|
920 } |
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Mail: sending of the PROXY protocol to backends.
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parents:
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diff
changeset
|
921 |
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Mail: sending of the PROXY protocol to backends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7790
diff
changeset
|
922 if (n == NGX_ERROR) { |
4b8f23a36ebf
Mail: sending of the PROXY protocol to backends.
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parents:
7790
diff
changeset
|
923 ngx_mail_proxy_internal_server_error(s); |
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Mail: sending of the PROXY protocol to backends.
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parents:
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diff
changeset
|
924 return NGX_ERROR; |
583 | 925 } |
7796
4b8f23a36ebf
Mail: sending of the PROXY protocol to backends.
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parents:
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diff
changeset
|
926 |
4b8f23a36ebf
Mail: sending of the PROXY protocol to backends.
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parents:
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diff
changeset
|
927 if (n != size) { |
4b8f23a36ebf
Mail: sending of the PROXY protocol to backends.
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parents:
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diff
changeset
|
928 |
4b8f23a36ebf
Mail: sending of the PROXY protocol to backends.
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parents:
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diff
changeset
|
929 /* |
4b8f23a36ebf
Mail: sending of the PROXY protocol to backends.
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parents:
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diff
changeset
|
930 * PROXY protocol specification: |
4b8f23a36ebf
Mail: sending of the PROXY protocol to backends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7790
diff
changeset
|
931 * The sender must always ensure that the header |
4b8f23a36ebf
Mail: sending of the PROXY protocol to backends.
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parents:
7790
diff
changeset
|
932 * is sent at once, so that the transport layer |
4b8f23a36ebf
Mail: sending of the PROXY protocol to backends.
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parents:
7790
diff
changeset
|
933 * maintains atomicity along the path to the receiver. |
4b8f23a36ebf
Mail: sending of the PROXY protocol to backends.
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parents:
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diff
changeset
|
934 */ |
4b8f23a36ebf
Mail: sending of the PROXY protocol to backends.
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parents:
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diff
changeset
|
935 |
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Mail: sending of the PROXY protocol to backends.
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parents:
7790
diff
changeset
|
936 ngx_log_error(NGX_LOG_ERR, s->connection->log, 0, |
4b8f23a36ebf
Mail: sending of the PROXY protocol to backends.
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parents:
7790
diff
changeset
|
937 "could not send PROXY protocol header at once"); |
4b8f23a36ebf
Mail: sending of the PROXY protocol to backends.
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parents:
7790
diff
changeset
|
938 |
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Mail: sending of the PROXY protocol to backends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7790
diff
changeset
|
939 ngx_mail_proxy_internal_server_error(s); |
4b8f23a36ebf
Mail: sending of the PROXY protocol to backends.
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parents:
7790
diff
changeset
|
940 |
4b8f23a36ebf
Mail: sending of the PROXY protocol to backends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
941 return NGX_ERROR; |
4b8f23a36ebf
Mail: sending of the PROXY protocol to backends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
942 } |
4b8f23a36ebf
Mail: sending of the PROXY protocol to backends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
943 |
4b8f23a36ebf
Mail: sending of the PROXY protocol to backends.
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parents:
7790
diff
changeset
|
944 return NGX_OK; |
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
945 } |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
946 |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
947 |
521 | 948 static ngx_int_t |
1136 | 949 ngx_mail_proxy_read_response(ngx_mail_session_t *s, ngx_uint_t state) |
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
950 { |
5399
d3e09aa03a7a
Mail: handle smtp multiline replies.
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parents:
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diff
changeset
|
951 u_char *p, *m; |
857 | 952 ssize_t n; |
953 ngx_buf_t *b; | |
1136 | 954 ngx_mail_proxy_conf_t *pcf; |
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
955 |
587 | 956 s->connection->log->action = "reading response from upstream"; |
957 | |
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
958 b = s->proxy->buffer; |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
959 |
539 | 960 n = s->proxy->upstream.connection->recv(s->proxy->upstream.connection, |
961 b->last, b->end - b->last); | |
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
962 |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
963 if (n == NGX_ERROR || n == 0) { |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
964 return NGX_ERROR; |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
965 } |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
966 |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
967 if (n == NGX_AGAIN) { |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
968 return NGX_AGAIN; |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
969 } |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
970 |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
971 b->last += n; |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
972 |
3505
c631ef8beaaa
Zimbra IMAP server may return only 4 bytes: "+ \r\n"
Igor Sysoev <igor@sysoev.ru>
parents:
3269
diff
changeset
|
973 if (b->last - b->pos < 4) { |
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
974 return NGX_AGAIN; |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
975 } |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
976 |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
977 if (*(b->last - 2) != CR || *(b->last - 1) != LF) { |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
978 if (b->last == b->end) { |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
979 *(b->last - 1) = '\0'; |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
980 ngx_log_error(NGX_LOG_ERR, s->connection->log, 0, |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
981 "upstream sent too long response line: \"%s\"", |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
982 b->pos); |
571 | 983 return NGX_ERROR; |
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
984 } |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
985 |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
986 return NGX_AGAIN; |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
987 } |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
988 |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
989 p = b->pos; |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
990 |
1136 | 991 switch (s->protocol) { |
992 | |
993 case NGX_MAIL_POP3_PROTOCOL: | |
527 | 994 if (p[0] == '+' && p[1] == 'O' && p[2] == 'K') { |
995 return NGX_OK; | |
996 } | |
1136 | 997 break; |
527 | 998 |
1136 | 999 case NGX_MAIL_IMAP_PROTOCOL: |
663 | 1000 switch (state) { |
1001 | |
1002 case ngx_imap_start: | |
527 | 1003 if (p[0] == '*' && p[1] == ' ' && p[2] == 'O' && p[3] == 'K') { |
1004 return NGX_OK; | |
1005 } | |
663 | 1006 break; |
527 | 1007 |
663 | 1008 case ngx_imap_login: |
1009 case ngx_imap_user: | |
529 | 1010 if (p[0] == '+') { |
527 | 1011 return NGX_OK; |
1012 } | |
663 | 1013 break; |
1014 | |
1015 case ngx_imap_passwd: | |
1016 if (ngx_strncmp(p, s->tag.data, s->tag.len) == 0) { | |
1017 p += s->tag.len; | |
1018 if (p[0] == 'O' && p[1] == 'K') { | |
1019 return NGX_OK; | |
1020 } | |
1021 } | |
1022 break; | |
527 | 1023 } |
1136 | 1024 |
1025 break; | |
1026 | |
1027 default: /* NGX_MAIL_SMTP_PROTOCOL */ | |
5399
d3e09aa03a7a
Mail: handle smtp multiline replies.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5398
diff
changeset
|
1028 |
d3e09aa03a7a
Mail: handle smtp multiline replies.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5398
diff
changeset
|
1029 if (p[3] == '-') { |
d3e09aa03a7a
Mail: handle smtp multiline replies.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5398
diff
changeset
|
1030 /* multiline reply, check if we got last line */ |
d3e09aa03a7a
Mail: handle smtp multiline replies.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5398
diff
changeset
|
1031 |
d3e09aa03a7a
Mail: handle smtp multiline replies.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5398
diff
changeset
|
1032 m = b->last - (sizeof(CRLF "200" CRLF) - 1); |
d3e09aa03a7a
Mail: handle smtp multiline replies.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5398
diff
changeset
|
1033 |
d3e09aa03a7a
Mail: handle smtp multiline replies.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5398
diff
changeset
|
1034 while (m > p) { |
d3e09aa03a7a
Mail: handle smtp multiline replies.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5398
diff
changeset
|
1035 if (m[0] == CR && m[1] == LF) { |
d3e09aa03a7a
Mail: handle smtp multiline replies.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5398
diff
changeset
|
1036 break; |
d3e09aa03a7a
Mail: handle smtp multiline replies.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5398
diff
changeset
|
1037 } |
d3e09aa03a7a
Mail: handle smtp multiline replies.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5398
diff
changeset
|
1038 |
d3e09aa03a7a
Mail: handle smtp multiline replies.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5398
diff
changeset
|
1039 m--; |
d3e09aa03a7a
Mail: handle smtp multiline replies.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5398
diff
changeset
|
1040 } |
d3e09aa03a7a
Mail: handle smtp multiline replies.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5398
diff
changeset
|
1041 |
d3e09aa03a7a
Mail: handle smtp multiline replies.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5398
diff
changeset
|
1042 if (m <= p || m[5] == '-') { |
d3e09aa03a7a
Mail: handle smtp multiline replies.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5398
diff
changeset
|
1043 return NGX_AGAIN; |
d3e09aa03a7a
Mail: handle smtp multiline replies.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5398
diff
changeset
|
1044 } |
d3e09aa03a7a
Mail: handle smtp multiline replies.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5398
diff
changeset
|
1045 } |
d3e09aa03a7a
Mail: handle smtp multiline replies.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5398
diff
changeset
|
1046 |
1136 | 1047 switch (state) { |
1048 | |
2311
6bad42a41dd8
do not close session if SMTP backend returned an error on RCPT TO
Igor Sysoev <igor@sysoev.ru>
parents:
2309
diff
changeset
|
1049 case ngx_smtp_start: |
6bad42a41dd8
do not close session if SMTP backend returned an error on RCPT TO
Igor Sysoev <igor@sysoev.ru>
parents:
2309
diff
changeset
|
1050 if (p[0] == '2' && p[1] == '2' && p[2] == '0') { |
1166 | 1051 return NGX_OK; |
1052 } | |
1053 break; | |
1136 | 1054 |
2311
6bad42a41dd8
do not close session if SMTP backend returned an error on RCPT TO
Igor Sysoev <igor@sysoev.ru>
parents:
2309
diff
changeset
|
1055 case ngx_smtp_helo: |
6bad42a41dd8
do not close session if SMTP backend returned an error on RCPT TO
Igor Sysoev <igor@sysoev.ru>
parents:
2309
diff
changeset
|
1056 case ngx_smtp_helo_xclient: |
6bad42a41dd8
do not close session if SMTP backend returned an error on RCPT TO
Igor Sysoev <igor@sysoev.ru>
parents:
2309
diff
changeset
|
1057 case ngx_smtp_helo_from: |
7725
d63c5373b5ba
Mail: proxy_smtp_auth directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7156
diff
changeset
|
1058 case ngx_smtp_helo_auth: |
2311
6bad42a41dd8
do not close session if SMTP backend returned an error on RCPT TO
Igor Sysoev <igor@sysoev.ru>
parents:
2309
diff
changeset
|
1059 case ngx_smtp_from: |
6bad42a41dd8
do not close session if SMTP backend returned an error on RCPT TO
Igor Sysoev <igor@sysoev.ru>
parents:
2309
diff
changeset
|
1060 if (p[0] == '2' && p[1] == '5' && p[2] == '0') { |
2309 | 1061 return NGX_OK; |
1062 } | |
1063 break; | |
1064 | |
1136 | 1065 case ngx_smtp_xclient: |
2309 | 1066 case ngx_smtp_xclient_from: |
2497 | 1067 case ngx_smtp_xclient_helo: |
7725
d63c5373b5ba
Mail: proxy_smtp_auth directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7156
diff
changeset
|
1068 case ngx_smtp_xclient_auth: |
2309 | 1069 if (p[0] == '2' && (p[1] == '2' || p[1] == '5') && p[2] == '0') { |
1166 | 1070 return NGX_OK; |
1071 } | |
1072 break; | |
2311
6bad42a41dd8
do not close session if SMTP backend returned an error on RCPT TO
Igor Sysoev <igor@sysoev.ru>
parents:
2309
diff
changeset
|
1073 |
7725
d63c5373b5ba
Mail: proxy_smtp_auth directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7156
diff
changeset
|
1074 case ngx_smtp_auth_plain: |
d63c5373b5ba
Mail: proxy_smtp_auth directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7156
diff
changeset
|
1075 if (p[0] == '2' && p[1] == '3' && p[2] == '5') { |
d63c5373b5ba
Mail: proxy_smtp_auth directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7156
diff
changeset
|
1076 return NGX_OK; |
d63c5373b5ba
Mail: proxy_smtp_auth directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7156
diff
changeset
|
1077 } |
d63c5373b5ba
Mail: proxy_smtp_auth directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7156
diff
changeset
|
1078 break; |
d63c5373b5ba
Mail: proxy_smtp_auth directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7156
diff
changeset
|
1079 |
2311
6bad42a41dd8
do not close session if SMTP backend returned an error on RCPT TO
Igor Sysoev <igor@sysoev.ru>
parents:
2309
diff
changeset
|
1080 case ngx_smtp_to: |
6bad42a41dd8
do not close session if SMTP backend returned an error on RCPT TO
Igor Sysoev <igor@sysoev.ru>
parents:
2309
diff
changeset
|
1081 return NGX_OK; |
1136 | 1082 } |
1083 | |
1166 | 1084 break; |
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
1085 } |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
1086 |
1136 | 1087 pcf = ngx_mail_get_module_srv_conf(s, ngx_mail_proxy_module); |
857 | 1088 |
1089 if (pcf->pass_error_message == 0) { | |
1090 *(b->last - 2) = '\0'; | |
1091 ngx_log_error(NGX_LOG_ERR, s->connection->log, 0, | |
1092 "upstream sent invalid response: \"%s\"", p); | |
1093 return NGX_ERROR; | |
1094 } | |
1095 | |
1096 s->out.len = b->last - p - 2; | |
1097 s->out.data = p; | |
1098 | |
1099 ngx_log_error(NGX_LOG_INFO, s->connection->log, 0, | |
1100 "upstream sent invalid response: \"%V\"", &s->out); | |
1101 | |
1102 s->out.len = b->last - b->pos; | |
1103 s->out.data = b->pos; | |
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
1104 |
571 | 1105 return NGX_ERROR; |
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
1106 } |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
1107 |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
1108 |
521 | 1109 static void |
1136 | 1110 ngx_mail_proxy_handler(ngx_event_t *ev) |
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
1111 { |
583 | 1112 char *action, *recv_action, *send_action; |
539 | 1113 size_t size; |
1114 ssize_t n; | |
1115 ngx_buf_t *b; | |
583 | 1116 ngx_uint_t do_write; |
539 | 1117 ngx_connection_t *c, *src, *dst; |
1136 | 1118 ngx_mail_session_t *s; |
1119 ngx_mail_proxy_conf_t *pcf; | |
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1120 |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1121 c = ev->data; |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1122 s = c->data; |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1123 |
7156
9c29644f6d03
Fixed worker_shutdown_timeout in various cases.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6480
diff
changeset
|
1124 if (ev->timedout || c->close) { |
583 | 1125 c->log->action = "proxying"; |
1126 | |
7156
9c29644f6d03
Fixed worker_shutdown_timeout in various cases.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6480
diff
changeset
|
1127 if (c->close) { |
9c29644f6d03
Fixed worker_shutdown_timeout in various cases.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6480
diff
changeset
|
1128 ngx_log_error(NGX_LOG_INFO, c->log, 0, "shutdown timeout"); |
9c29644f6d03
Fixed worker_shutdown_timeout in various cases.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6480
diff
changeset
|
1129 |
9c29644f6d03
Fixed worker_shutdown_timeout in various cases.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6480
diff
changeset
|
1130 } else if (c == s->connection) { |
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
1131 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
1132 "client timed out"); |
577 | 1133 c->timedout = 1; |
1134 | |
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
1135 } else { |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
1136 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
1137 "upstream timed out"); |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
1138 } |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
1139 |
1136 | 1140 ngx_mail_proxy_close_session(s); |
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
1141 return; |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
1142 } |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
1143 |
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1144 if (c == s->connection) { |
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
1145 if (ev->write) { |
583 | 1146 recv_action = "proxying and reading from upstream"; |
1147 send_action = "proxying and sending to client"; | |
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
1148 src = s->proxy->upstream.connection; |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
1149 dst = c; |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
1150 b = s->proxy->buffer; |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
1151 |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
1152 } else { |
583 | 1153 recv_action = "proxying and reading from client"; |
1154 send_action = "proxying and sending to upstream"; | |
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
1155 src = c; |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
1156 dst = s->proxy->upstream.connection; |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
1157 b = s->buffer; |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
1158 } |
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1159 |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1160 } else { |
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
1161 if (ev->write) { |
589 | 1162 recv_action = "proxying and reading from client"; |
1163 send_action = "proxying and sending to upstream"; | |
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
1164 src = s->connection; |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
1165 dst = c; |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
1166 b = s->buffer; |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
1167 |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
1168 } else { |
589 | 1169 recv_action = "proxying and reading from upstream"; |
1170 send_action = "proxying and sending to client"; | |
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
1171 src = c; |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
1172 dst = s->connection; |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
1173 b = s->proxy->buffer; |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
1174 } |
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1175 } |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1176 |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1177 do_write = ev->write ? 1 : 0; |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1178 |
1136 | 1179 ngx_log_debug3(NGX_LOG_DEBUG_MAIL, ev->log, 0, |
6480 | 1180 "mail proxy handler: %ui, #%d > #%d", |
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
1181 do_write, src->fd, dst->fd); |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
1182 |
583 | 1183 for ( ;; ) { |
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1184 |
583 | 1185 if (do_write) { |
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
1186 |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
1187 size = b->last - b->pos; |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
1188 |
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
1189 if (size && dst->write->ready) { |
583 | 1190 c->log->action = send_action; |
1191 | |
539 | 1192 n = dst->send(dst, b->pos, size); |
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1193 |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1194 if (n == NGX_ERROR) { |
1136 | 1195 ngx_mail_proxy_close_session(s); |
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1196 return; |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1197 } |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1198 |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1199 if (n > 0) { |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
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parents:
diff
changeset
|
1200 b->pos += n; |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1201 |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1202 if (b->pos == b->last) { |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1203 b->pos = b->start; |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1204 b->last = b->start; |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1205 } |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1206 } |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1207 } |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1208 } |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1209 |
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
1210 size = b->end - b->last; |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
1211 |
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
1212 if (size && src->read->ready) { |
583 | 1213 c->log->action = recv_action; |
1214 | |
539 | 1215 n = src->recv(src, b->last, size); |
418
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parents:
diff
changeset
|
1216 |
583 | 1217 if (n == NGX_AGAIN || n == 0) { |
1218 break; | |
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1219 } |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1220 |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
1221 if (n > 0) { |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
1222 do_write = 1; |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1223 b->last += n; |
583 | 1224 |
1225 continue; | |
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1226 } |
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
1227 |
583 | 1228 if (n == NGX_ERROR) { |
1229 src->read->eof = 1; | |
539 | 1230 } |
418
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1231 } |
cf072d26d6d6
nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1232 |
583 | 1233 break; |
1234 } | |
1235 | |
1236 c->log->action = "proxying"; | |
1237 | |
1342
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fix case when client has closed connection but upstream buffer is not empty
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
1238 if ((s->connection->read->eof && s->buffer->pos == s->buffer->last) |
be2e13691c60
fix case when client has closed connection but upstream buffer is not empty
Igor Sysoev <igor@sysoev.ru>
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diff
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|
1239 || (s->proxy->upstream.connection->read->eof |
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fix case when client has closed connection but upstream buffer is not empty
Igor Sysoev <igor@sysoev.ru>
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|
1240 && s->proxy->buffer->pos == s->proxy->buffer->last) |
be2e13691c60
fix case when client has closed connection but upstream buffer is not empty
Igor Sysoev <igor@sysoev.ru>
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1166
diff
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|
1241 || (s->connection->read->eof |
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Igor Sysoev <igor@sysoev.ru>
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diff
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|
1242 && s->proxy->upstream.connection->read->eof)) |
583 | 1243 { |
1244 action = c->log->action; | |
1245 c->log->action = NULL; | |
1246 ngx_log_error(NGX_LOG_INFO, c->log, 0, "proxied session done"); | |
1247 c->log->action = action; | |
1248 | |
1136 | 1249 ngx_mail_proxy_close_session(s); |
583 | 1250 return; |
1251 } | |
1252 | |
2388
722b5aff05ae
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Igor Sysoev <igor@sysoev.ru>
parents:
2311
diff
changeset
|
1253 if (ngx_handle_write_event(dst->write, 0) != NGX_OK) { |
1136 | 1254 ngx_mail_proxy_close_session(s); |
583 | 1255 return; |
1256 } | |
1257 | |
2388
722b5aff05ae
use "!= NGX_OK" instead of "== NGX_ERROR"
Igor Sysoev <igor@sysoev.ru>
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diff
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|
1258 if (ngx_handle_read_event(dst->read, 0) != NGX_OK) { |
1136 | 1259 ngx_mail_proxy_close_session(s); |
583 | 1260 return; |
1261 } | |
1262 | |
2388
722b5aff05ae
use "!= NGX_OK" instead of "== NGX_ERROR"
Igor Sysoev <igor@sysoev.ru>
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2311
diff
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|
1263 if (ngx_handle_write_event(src->write, 0) != NGX_OK) { |
1136 | 1264 ngx_mail_proxy_close_session(s); |
583 | 1265 return; |
1266 } | |
1267 | |
2388
722b5aff05ae
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Igor Sysoev <igor@sysoev.ru>
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diff
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|
1268 if (ngx_handle_read_event(src->read, 0) != NGX_OK) { |
1136 | 1269 ngx_mail_proxy_close_session(s); |
583 | 1270 return; |
1271 } | |
1272 | |
1273 if (c == s->connection) { | |
1136 | 1274 pcf = ngx_mail_get_module_srv_conf(s, ngx_mail_proxy_module); |
583 | 1275 ngx_add_timer(c->read, pcf->timeout); |
1276 } | |
418
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nginx-0.0.10-2004-09-08-09:18:51 import
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diff
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|
1277 } |
cf072d26d6d6
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parents:
diff
changeset
|
1278 |
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Igor Sysoev <igor@sysoev.ru>
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diff
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|
1279 |
521 | 1280 static void |
1136 | 1281 ngx_mail_proxy_upstream_error(ngx_mail_session_t *s) |
857 | 1282 { |
1283 if (s->proxy->upstream.connection) { | |
1136 | 1284 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, s->connection->log, 0, |
1285 "close mail proxy connection: %d", | |
857 | 1286 s->proxy->upstream.connection->fd); |
1287 | |
1288 ngx_close_connection(s->proxy->upstream.connection); | |
1289 } | |
1290 | |
1291 if (s->out.len == 0) { | |
1136 | 1292 ngx_mail_session_internal_server_error(s); |
857 | 1293 return; |
1294 } | |
1295 | |
1296 s->quit = 1; | |
1136 | 1297 ngx_mail_send(s->connection->write); |
857 | 1298 } |
1299 | |
1300 | |
1301 static void | |
1136 | 1302 ngx_mail_proxy_internal_server_error(ngx_mail_session_t *s) |
527 | 1303 { |
1304 if (s->proxy->upstream.connection) { | |
1136 | 1305 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, s->connection->log, 0, |
1306 "close mail proxy connection: %d", | |
527 | 1307 s->proxy->upstream.connection->fd); |
1308 | |
1309 ngx_close_connection(s->proxy->upstream.connection); | |
1310 } | |
1311 | |
1136 | 1312 ngx_mail_session_internal_server_error(s); |
527 | 1313 } |
1314 | |
1315 | |
1316 static void | |
1136 | 1317 ngx_mail_proxy_close_session(ngx_mail_session_t *s) |
418
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parents:
diff
changeset
|
1318 { |
521 | 1319 if (s->proxy->upstream.connection) { |
1136 | 1320 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, s->connection->log, 0, |
1321 "close mail proxy connection: %d", | |
521 | 1322 s->proxy->upstream.connection->fd); |
1323 | |
1324 ngx_close_connection(s->proxy->upstream.connection); | |
419
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nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
1325 } |
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
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parents:
418
diff
changeset
|
1326 |
1136 | 1327 ngx_mail_close_connection(s->connection); |
418
cf072d26d6d6
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1328 } |
521 | 1329 |
1330 | |
1331 static void * | |
1136 | 1332 ngx_mail_proxy_create_conf(ngx_conf_t *cf) |
577 | 1333 { |
1136 | 1334 ngx_mail_proxy_conf_t *pcf; |
577 | 1335 |
1136 | 1336 pcf = ngx_pcalloc(cf->pool, sizeof(ngx_mail_proxy_conf_t)); |
521 | 1337 if (pcf == NULL) { |
2912
c7d57b539248
return NULL instead of NGX_CONF_ERROR on a create conf failure
Igor Sysoev <igor@sysoev.ru>
parents:
2497
diff
changeset
|
1338 return NULL; |
521 | 1339 } |
1340 | |
1341 pcf->enable = NGX_CONF_UNSET; | |
857 | 1342 pcf->pass_error_message = NGX_CONF_UNSET; |
1136 | 1343 pcf->xclient = NGX_CONF_UNSET; |
7725
d63c5373b5ba
Mail: proxy_smtp_auth directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7156
diff
changeset
|
1344 pcf->smtp_auth = NGX_CONF_UNSET; |
7796
4b8f23a36ebf
Mail: sending of the PROXY protocol to backends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7790
diff
changeset
|
1345 pcf->proxy_protocol = NGX_CONF_UNSET; |
539 | 1346 pcf->buffer_size = NGX_CONF_UNSET_SIZE; |
1347 pcf->timeout = NGX_CONF_UNSET_MSEC; | |
521 | 1348 |
1349 return pcf; | |
1350 } | |
1351 | |
1352 | |
1353 static char * | |
1136 | 1354 ngx_mail_proxy_merge_conf(ngx_conf_t *cf, void *parent, void *child) |
521 | 1355 { |
1136 | 1356 ngx_mail_proxy_conf_t *prev = parent; |
1357 ngx_mail_proxy_conf_t *conf = child; | |
521 | 1358 |
539 | 1359 ngx_conf_merge_value(conf->enable, prev->enable, 0); |
857 | 1360 ngx_conf_merge_value(conf->pass_error_message, prev->pass_error_message, 0); |
1136 | 1361 ngx_conf_merge_value(conf->xclient, prev->xclient, 1); |
7725
d63c5373b5ba
Mail: proxy_smtp_auth directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7156
diff
changeset
|
1362 ngx_conf_merge_value(conf->smtp_auth, prev->smtp_auth, 0); |
7796
4b8f23a36ebf
Mail: sending of the PROXY protocol to backends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7790
diff
changeset
|
1363 ngx_conf_merge_value(conf->proxy_protocol, prev->proxy_protocol, 0); |
539 | 1364 ngx_conf_merge_size_value(conf->buffer_size, prev->buffer_size, |
1365 (size_t) ngx_pagesize); | |
1366 ngx_conf_merge_msec_value(conf->timeout, prev->timeout, 24 * 60 * 60000); | |
521 | 1367 |
1368 return NGX_CONF_OK; | |
1369 } |