Mercurial > hg > nginx
annotate src/mail/ngx_mail_handler.c @ 5705:d5b8ee9f2201
Mail: output client port number on client connects (ticket #531).
| author | Ruslan Ermilov <ru@nginx.com> |
|---|---|
| date | Thu, 22 May 2014 00:16:17 +0400 |
| parents | b42e7c790b81 |
| children | 8e7ee4c70a3c |
| 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. |
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441
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5 */ |
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6 |
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7 |
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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> |
| 1136 | 11 #include <ngx_mail.h> |
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12 |
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13 |
| 1136 | 14 static void ngx_mail_init_session(ngx_connection_t *c); |
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15 |
| 1136 | 16 #if (NGX_MAIL_SSL) |
| 17 static void ngx_mail_ssl_init_connection(ngx_ssl_t *ssl, ngx_connection_t *c); | |
| 18 static void ngx_mail_ssl_handshake_handler(ngx_connection_t *c); | |
| 539 | 19 #endif |
| 20 | |
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21 |
| 521 | 22 void |
| 1136 | 23 ngx_mail_init_connection(ngx_connection_t *c) |
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24 { |
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25 size_t len; |
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26 ngx_uint_t i; |
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27 ngx_mail_port_t *port; |
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28 struct sockaddr *sa; |
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29 struct sockaddr_in *sin; |
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30 ngx_mail_log_ctx_t *ctx; |
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31 ngx_mail_in_addr_t *addr; |
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32 ngx_mail_session_t *s; |
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33 ngx_mail_addr_conf_t *addr_conf; |
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34 u_char text[NGX_SOCKADDR_STRLEN]; |
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35 #if (NGX_HAVE_INET6) |
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36 struct sockaddr_in6 *sin6; |
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37 ngx_mail_in6_addr_t *addr6; |
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38 #endif |
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39 |
| 641 | 40 |
| 41 /* find the server configuration for the address:port */ | |
| 42 | |
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43 port = c->listening->servers; |
| 641 | 44 |
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45 if (port->naddrs > 1) { |
| 641 | 46 |
| 47 /* | |
| 48 * There are several addresses on this port and one of them | |
| 49 * is the "*:port" wildcard so getsockname() is needed to determine | |
| 50 * the server address. | |
| 51 * | |
| 52 * AcceptEx() already gave this address. | |
| 53 */ | |
| 54 | |
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55 if (ngx_connection_local_sockaddr(c, NULL, 0) != NGX_OK) { |
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56 ngx_mail_close_connection(c); |
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57 return; |
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58 } |
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59 |
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60 sa = c->local_sockaddr; |
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61 |
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62 switch (sa->sa_family) { |
| 541 | 63 |
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64 #if (NGX_HAVE_INET6) |
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65 case AF_INET6: |
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66 sin6 = (struct sockaddr_in6 *) sa; |
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67 |
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68 addr6 = port->addrs; |
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69 |
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70 /* the last address is "*" */ |
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71 |
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72 for (i = 0; i < port->naddrs - 1; i++) { |
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73 if (ngx_memcmp(&addr6[i].addr6, &sin6->sin6_addr, 16) == 0) { |
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74 break; |
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75 } |
| 641 | 76 } |
| 77 | |
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78 addr_conf = &addr6[i].conf; |
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79 |
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80 break; |
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81 #endif |
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82 |
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83 default: /* AF_INET */ |
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84 sin = (struct sockaddr_in *) sa; |
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85 |
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86 addr = port->addrs; |
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87 |
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88 /* the last address is "*" */ |
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89 |
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90 for (i = 0; i < port->naddrs - 1; i++) { |
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91 if (addr[i].addr == sin->sin_addr.s_addr) { |
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92 break; |
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93 } |
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94 } |
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95 |
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96 addr_conf = &addr[i].conf; |
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97 |
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98 break; |
| 641 | 99 } |
| 100 | |
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101 } else { |
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102 switch (c->local_sockaddr->sa_family) { |
| 641 | 103 |
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104 #if (NGX_HAVE_INET6) |
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105 case AF_INET6: |
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106 addr6 = port->addrs; |
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107 addr_conf = &addr6[0].conf; |
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108 break; |
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109 #endif |
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110 |
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111 default: /* AF_INET */ |
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112 addr = port->addrs; |
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113 addr_conf = &addr[0].conf; |
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114 break; |
| 641 | 115 } |
| 116 } | |
| 117 | |
| 1136 | 118 s = ngx_pcalloc(c->pool, sizeof(ngx_mail_session_t)); |
| 641 | 119 if (s == NULL) { |
| 1136 | 120 ngx_mail_close_connection(c); |
| 541 | 121 return; |
| 577 | 122 } |
| 541 | 123 |
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124 s->main_conf = addr_conf->ctx->main_conf; |
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125 s->srv_conf = addr_conf->ctx->srv_conf; |
| 641 | 126 |
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127 s->addr_text = &addr_conf->addr_text; |
| 641 | 128 |
| 129 c->data = s; | |
| 130 s->connection = c; | |
| 131 | |
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132 len = ngx_sock_ntop(c->sockaddr, c->socklen, text, NGX_SOCKADDR_STRLEN, 1); |
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133 |
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134 ngx_log_error(NGX_LOG_INFO, c->log, 0, "*%uA client %*s connected to %V", |
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135 c->number, len, text, s->addr_text); |
| 641 | 136 |
| 1136 | 137 ctx = ngx_palloc(c->pool, sizeof(ngx_mail_log_ctx_t)); |
| 641 | 138 if (ctx == NULL) { |
| 1136 | 139 ngx_mail_close_connection(c); |
| 641 | 140 return; |
| 141 } | |
| 142 | |
| 143 ctx->client = &c->addr_text; | |
| 144 ctx->session = s; | |
| 541 | 145 |
| 146 c->log->connection = c->number; | |
| 1136 | 147 c->log->handler = ngx_mail_log_error; |
| 641 | 148 c->log->data = ctx; |
| 541 | 149 c->log->action = "sending client greeting line"; |
| 150 | |
| 151 c->log_error = NGX_ERROR_INFO; | |
| 152 | |
| 1136 | 153 #if (NGX_MAIL_SSL) |
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154 { |
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155 ngx_mail_ssl_conf_t *sslcf; |
| 543 | 156 |
| 1136 | 157 sslcf = ngx_mail_get_module_srv_conf(s, ngx_mail_ssl_module); |
| 543 | 158 |
| 159 if (sslcf->enable) { | |
| 2224 | 160 c->log->action = "SSL handshaking"; |
| 161 | |
| 1136 | 162 ngx_mail_ssl_init_connection(&sslcf->ssl, c); |
| 547 | 163 return; |
| 543 | 164 } |
| 2224 | 165 |
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166 if (addr_conf->ssl) { |
| 2224 | 167 |
| 168 c->log->action = "SSL handshaking"; | |
| 169 | |
| 170 if (sslcf->ssl.ctx == NULL) { | |
| 171 ngx_log_error(NGX_LOG_ERR, c->log, 0, | |
| 172 "no \"ssl_certificate\" is defined " | |
| 173 "in server listening on SSL port"); | |
| 174 ngx_mail_close_connection(c); | |
| 175 return; | |
| 176 } | |
| 177 | |
| 178 ngx_mail_ssl_init_connection(&sslcf->ssl, c); | |
| 179 return; | |
| 180 } | |
| 181 | |
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182 } |
| 543 | 183 #endif |
| 184 | |
| 1136 | 185 ngx_mail_init_session(c); |
| 541 | 186 } |
| 187 | |
| 188 | |
| 1136 | 189 #if (NGX_MAIL_SSL) |
| 547 | 190 |
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191 void |
| 1136 | 192 ngx_mail_starttls_handler(ngx_event_t *rev) |
| 583 | 193 { |
| 194 ngx_connection_t *c; | |
| 1136 | 195 ngx_mail_session_t *s; |
| 196 ngx_mail_ssl_conf_t *sslcf; | |
| 583 | 197 |
| 198 c = rev->data; | |
| 199 s = c->data; | |
| 641 | 200 s->starttls = 1; |
| 583 | 201 |
| 202 c->log->action = "in starttls state"; | |
| 203 | |
| 1136 | 204 sslcf = ngx_mail_get_module_srv_conf(s, ngx_mail_ssl_module); |
| 583 | 205 |
| 1136 | 206 ngx_mail_ssl_init_connection(&sslcf->ssl, c); |
| 583 | 207 } |
| 208 | |
| 209 | |
| 210 static void | |
| 1136 | 211 ngx_mail_ssl_init_connection(ngx_ssl_t *ssl, ngx_connection_t *c) |
| 583 | 212 { |
| 1136 | 213 ngx_mail_session_t *s; |
| 214 ngx_mail_core_srv_conf_t *cscf; | |
| 583 | 215 |
| 216 if (ngx_ssl_create_connection(ssl, c, 0) == NGX_ERROR) { | |
| 1136 | 217 ngx_mail_close_connection(c); |
| 583 | 218 return; |
| 219 } | |
| 220 | |
| 221 if (ngx_ssl_handshake(c) == NGX_AGAIN) { | |
| 222 | |
| 641 | 223 s = c->data; |
| 224 | |
| 1136 | 225 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
| 583 | 226 |
| 227 ngx_add_timer(c->read, cscf->timeout); | |
| 228 | |
| 1136 | 229 c->ssl->handler = ngx_mail_ssl_handshake_handler; |
| 583 | 230 |
| 231 return; | |
| 232 } | |
| 233 | |
| 1136 | 234 ngx_mail_ssl_handshake_handler(c); |
| 583 | 235 } |
| 236 | |
| 237 | |
| 238 static void | |
| 1136 | 239 ngx_mail_ssl_handshake_handler(ngx_connection_t *c) |
| 577 | 240 { |
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241 ngx_mail_session_t *s; |
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242 ngx_mail_core_srv_conf_t *cscf; |
| 641 | 243 |
| 547 | 244 if (c->ssl->handshaked) { |
| 583 | 245 |
| 641 | 246 s = c->data; |
| 247 | |
| 248 if (s->starttls) { | |
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249 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
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250 |
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251 c->read->handler = cscf->protocol->init_protocol; |
| 1136 | 252 c->write->handler = ngx_mail_send; |
| 583 | 253 |
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254 cscf->protocol->init_protocol(c->read); |
| 583 | 255 |
| 256 return; | |
| 257 } | |
| 258 | |
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259 c->read->ready = 0; |
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260 |
| 1136 | 261 ngx_mail_init_session(c); |
| 547 | 262 return; |
| 263 } | |
| 264 | |
| 1136 | 265 ngx_mail_close_connection(c); |
| 547 | 266 } |
| 267 | |
| 268 #endif | |
| 269 | |
| 270 | |
| 271 static void | |
| 1136 | 272 ngx_mail_init_session(ngx_connection_t *c) |
| 541 | 273 { |
| 1136 | 274 ngx_mail_session_t *s; |
| 275 ngx_mail_core_srv_conf_t *cscf; | |
|
417
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276 |
| 641 | 277 s = c->data; |
|
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278 |
| 1136 | 279 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
| 539 | 280 |
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281 s->protocol = cscf->protocol->type; |
| 539 | 282 |
| 1136 | 283 s->ctx = ngx_pcalloc(c->pool, sizeof(void *) * ngx_mail_max_module); |
| 539 | 284 if (s->ctx == NULL) { |
| 1136 | 285 ngx_mail_session_internal_server_error(s); |
| 539 | 286 return; |
| 287 } | |
| 288 | |
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289 c->write->handler = ngx_mail_send; |
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290 |
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291 cscf->protocol->init_session(s, c); |
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292 } |
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293 |
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294 |
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295 ngx_int_t |
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296 ngx_mail_salt(ngx_mail_session_t *s, ngx_connection_t *c, |
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297 ngx_mail_core_srv_conf_t *cscf) |
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298 { |
| 2049 | 299 s->salt.data = ngx_pnalloc(c->pool, |
| 300 sizeof(" <18446744073709551616.@>" CRLF) - 1 | |
| 301 + NGX_TIME_T_LEN | |
| 302 + cscf->server_name.len); | |
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303 if (s->salt.data == NULL) { |
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304 return NGX_ERROR; |
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305 } |
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306 |
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307 s->salt.len = ngx_sprintf(s->salt.data, "<%ul.%T@%V>" CRLF, |
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308 ngx_random(), ngx_time(), &cscf->server_name) |
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309 - s->salt.data; |
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310 |
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311 return NGX_OK; |
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312 } |
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313 |
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314 |
| 1479 | 315 #if (NGX_MAIL_SSL) |
| 316 | |
| 317 ngx_int_t | |
| 318 ngx_mail_starttls_only(ngx_mail_session_t *s, ngx_connection_t *c) | |
| 319 { | |
| 320 ngx_mail_ssl_conf_t *sslcf; | |
| 321 | |
| 322 if (c->ssl) { | |
| 323 return 0; | |
| 324 } | |
| 325 | |
| 326 sslcf = ngx_mail_get_module_srv_conf(s, ngx_mail_ssl_module); | |
| 327 | |
| 328 if (sslcf->starttls == NGX_MAIL_STARTTLS_ONLY) { | |
| 329 return 1; | |
| 330 } | |
| 331 | |
| 332 return 0; | |
| 333 } | |
| 334 | |
| 335 #endif | |
| 336 | |
| 337 | |
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338 ngx_int_t |
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339 ngx_mail_auth_plain(ngx_mail_session_t *s, ngx_connection_t *c, ngx_uint_t n) |
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340 { |
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341 u_char *p, *last; |
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342 ngx_str_t *arg, plain; |
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343 |
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344 arg = s->args.elts; |
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345 |
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346 #if (NGX_DEBUG_MAIL_PASSWD) |
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347 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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348 "mail auth plain: \"%V\"", &arg[n]); |
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349 #endif |
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350 |
| 2049 | 351 plain.data = ngx_pnalloc(c->pool, ngx_base64_decoded_length(arg[n].len)); |
| 3642 | 352 if (plain.data == NULL) { |
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353 return NGX_ERROR; |
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354 } |
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355 |
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356 if (ngx_decode_base64(&plain, &arg[n]) != NGX_OK) { |
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357 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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358 "client sent invalid base64 encoding in AUTH PLAIN command"); |
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359 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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360 } |
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361 |
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362 p = plain.data; |
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363 last = p + plain.len; |
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364 |
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365 while (p < last && *p++) { /* void */ } |
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366 |
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367 if (p == last) { |
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368 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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369 "client sent invalid login in AUTH PLAIN command"); |
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370 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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371 } |
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372 |
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373 s->login.data = p; |
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374 |
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375 while (p < last && *p) { p++; } |
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376 |
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377 if (p == last) { |
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378 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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379 "client sent invalid password in AUTH PLAIN command"); |
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380 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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381 } |
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382 |
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383 s->login.len = p++ - s->login.data; |
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384 |
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385 s->passwd.len = last - p; |
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386 s->passwd.data = p; |
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387 |
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388 #if (NGX_DEBUG_MAIL_PASSWD) |
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389 ngx_log_debug2(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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390 "mail auth plain: \"%V\" \"%V\"", &s->login, &s->passwd); |
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391 #endif |
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392 |
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393 return NGX_DONE; |
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394 } |
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395 |
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396 |
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397 ngx_int_t |
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398 ngx_mail_auth_login_username(ngx_mail_session_t *s, ngx_connection_t *c, |
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399 ngx_uint_t n) |
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400 { |
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401 ngx_str_t *arg; |
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402 |
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403 arg = s->args.elts; |
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404 |
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405 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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406 "mail auth login username: \"%V\"", &arg[n]); |
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407 |
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408 s->login.data = ngx_pnalloc(c->pool, ngx_base64_decoded_length(arg[n].len)); |
| 3642 | 409 if (s->login.data == NULL) { |
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410 return NGX_ERROR; |
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411 } |
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412 |
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413 if (ngx_decode_base64(&s->login, &arg[n]) != NGX_OK) { |
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414 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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415 "client sent invalid base64 encoding in AUTH LOGIN command"); |
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416 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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417 } |
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418 |
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419 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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420 "mail auth login username: \"%V\"", &s->login); |
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421 |
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422 return NGX_OK; |
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423 } |
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424 |
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425 |
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426 ngx_int_t |
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427 ngx_mail_auth_login_password(ngx_mail_session_t *s, ngx_connection_t *c) |
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428 { |
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429 ngx_str_t *arg; |
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430 |
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431 arg = s->args.elts; |
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432 |
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433 #if (NGX_DEBUG_MAIL_PASSWD) |
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434 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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435 "mail auth login password: \"%V\"", &arg[0]); |
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436 #endif |
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437 |
| 2049 | 438 s->passwd.data = ngx_pnalloc(c->pool, |
| 439 ngx_base64_decoded_length(arg[0].len)); | |
| 3642 | 440 if (s->passwd.data == NULL) { |
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441 return NGX_ERROR; |
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442 } |
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443 |
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444 if (ngx_decode_base64(&s->passwd, &arg[0]) != NGX_OK) { |
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445 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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446 "client sent invalid base64 encoding in AUTH LOGIN command"); |
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447 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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448 } |
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449 |
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450 #if (NGX_DEBUG_MAIL_PASSWD) |
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451 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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452 "mail auth login password: \"%V\"", &s->passwd); |
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453 #endif |
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454 |
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455 return NGX_DONE; |
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456 } |
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457 |
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458 |
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459 ngx_int_t |
| 1479 | 460 ngx_mail_auth_cram_md5_salt(ngx_mail_session_t *s, ngx_connection_t *c, |
| 461 char *prefix, size_t len) | |
| 462 { | |
| 463 u_char *p; | |
| 464 ngx_str_t salt; | |
| 465 ngx_uint_t n; | |
| 466 | |
| 2049 | 467 p = ngx_pnalloc(c->pool, len + ngx_base64_encoded_length(s->salt.len) + 2); |
| 1479 | 468 if (p == NULL) { |
| 469 return NGX_ERROR; | |
| 470 } | |
| 471 | |
| 472 salt.data = ngx_cpymem(p, prefix, len); | |
| 473 s->salt.len -= 2; | |
| 474 | |
| 475 ngx_encode_base64(&salt, &s->salt); | |
| 476 | |
| 477 s->salt.len += 2; | |
| 478 n = len + salt.len; | |
| 479 p[n++] = CR; p[n++] = LF; | |
| 480 | |
| 481 s->out.len = n; | |
| 482 s->out.data = p; | |
| 483 | |
| 484 return NGX_OK; | |
| 485 } | |
| 486 | |
| 487 | |
| 488 ngx_int_t | |
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489 ngx_mail_auth_cram_md5(ngx_mail_session_t *s, ngx_connection_t *c) |
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490 { |
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491 u_char *p, *last; |
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492 ngx_str_t *arg; |
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493 |
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494 arg = s->args.elts; |
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495 |
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496 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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497 "mail auth cram-md5: \"%V\"", &arg[0]); |
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498 |
| 2049 | 499 s->login.data = ngx_pnalloc(c->pool, ngx_base64_decoded_length(arg[0].len)); |
| 3642 | 500 if (s->login.data == NULL) { |
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501 return NGX_ERROR; |
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502 } |
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503 |
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504 if (ngx_decode_base64(&s->login, &arg[0]) != NGX_OK) { |
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505 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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506 "client sent invalid base64 encoding in AUTH CRAM-MD5 command"); |
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507 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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508 } |
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509 |
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510 p = s->login.data; |
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511 last = p + s->login.len; |
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512 |
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513 while (p < last) { |
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514 if (*p++ == ' ') { |
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515 s->login.len = p - s->login.data - 1; |
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516 s->passwd.len = last - p; |
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517 s->passwd.data = p; |
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518 break; |
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519 } |
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520 } |
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521 |
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522 if (s->passwd.len != 32) { |
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523 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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524 "client sent invalid CRAM-MD5 hash in AUTH CRAM-MD5 command"); |
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525 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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526 } |
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527 |
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528 ngx_log_debug2(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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529 "mail auth cram-md5: \"%V\" \"%V\"", &s->login, &s->passwd); |
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changeset
|
530 |
|
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
531 s->auth_method = NGX_MAIL_AUTH_CRAM_MD5; |
|
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
532 |
|
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
533 return NGX_DONE; |
| 539 | 534 } |
| 535 | |
| 536 | |
| 537 void | |
| 1136 | 538 ngx_mail_send(ngx_event_t *wev) |
| 539 | 539 { |
| 541 | 540 ngx_int_t n; |
| 541 ngx_connection_t *c; | |
| 1136 | 542 ngx_mail_session_t *s; |
| 543 ngx_mail_core_srv_conf_t *cscf; | |
| 539 | 544 |
| 545 c = wev->data; | |
| 546 s = c->data; | |
| 547 | |
| 548 if (wev->timedout) { | |
| 549 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out"); | |
| 577 | 550 c->timedout = 1; |
| 1136 | 551 ngx_mail_close_connection(c); |
| 539 | 552 return; |
| 553 } | |
| 554 | |
| 555 if (s->out.len == 0) { | |
|
2388
722b5aff05ae
use "!= NGX_OK" instead of "== NGX_ERROR"
Igor Sysoev <igor@sysoev.ru>
parents:
2224
diff
changeset
|
556 if (ngx_handle_write_event(c->write, 0) != NGX_OK) { |
| 1136 | 557 ngx_mail_close_connection(c); |
| 539 | 558 } |
| 559 | |
| 560 return; | |
| 561 } | |
| 562 | |
| 563 n = c->send(c, s->out.data, s->out.len); | |
| 564 | |
| 565 if (n > 0) { | |
|
5632
b42e7c790b81
Mail: fixed ngx_mail_send() (ticket #519).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5600
diff
changeset
|
566 s->out.data += n; |
| 539 | 567 s->out.len -= n; |
| 568 | |
|
5632
b42e7c790b81
Mail: fixed ngx_mail_send() (ticket #519).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5600
diff
changeset
|
569 if (s->out.len != 0) { |
|
b42e7c790b81
Mail: fixed ngx_mail_send() (ticket #519).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5600
diff
changeset
|
570 goto again; |
|
b42e7c790b81
Mail: fixed ngx_mail_send() (ticket #519).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5600
diff
changeset
|
571 } |
|
b42e7c790b81
Mail: fixed ngx_mail_send() (ticket #519).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5600
diff
changeset
|
572 |
| 541 | 573 if (wev->timer_set) { |
| 574 ngx_del_timer(wev); | |
| 575 } | |
| 576 | |
| 539 | 577 if (s->quit) { |
| 1136 | 578 ngx_mail_close_connection(c); |
| 539 | 579 return; |
| 580 } | |
| 581 | |
| 582 if (s->blocked) { | |
| 583 c->read->handler(c->read); | |
| 584 } | |
| 585 | |
| 586 return; | |
| 587 } | |
| 588 | |
| 589 if (n == NGX_ERROR) { | |
| 1136 | 590 ngx_mail_close_connection(c); |
| 539 | 591 return; |
| 592 } | |
| 593 | |
| 594 /* n == NGX_AGAIN */ | |
| 595 | |
|
5632
b42e7c790b81
Mail: fixed ngx_mail_send() (ticket #519).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5600
diff
changeset
|
596 again: |
|
b42e7c790b81
Mail: fixed ngx_mail_send() (ticket #519).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5600
diff
changeset
|
597 |
| 1136 | 598 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
| 541 | 599 |
| 600 ngx_add_timer(c->write, cscf->timeout); | |
| 601 | |
|
2388
722b5aff05ae
use "!= NGX_OK" instead of "== NGX_ERROR"
Igor Sysoev <igor@sysoev.ru>
parents:
2224
diff
changeset
|
602 if (ngx_handle_write_event(c->write, 0) != NGX_OK) { |
| 1136 | 603 ngx_mail_close_connection(c); |
| 539 | 604 return; |
| 605 } | |
|
413
de9d4726e28a
nginx-0.0.10-2004-08-31-23:05:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
606 } |
|
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
607 |
|
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
608 |
|
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
609 ngx_int_t |
| 1482 | 610 ngx_mail_read_command(ngx_mail_session_t *s, ngx_connection_t *c) |
|
420
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
611 { |
|
1487
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
612 ssize_t n; |
|
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
613 ngx_int_t rc; |
|
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
614 ngx_str_t l; |
|
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
615 ngx_mail_core_srv_conf_t *cscf; |
|
420
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
616 |
| 1482 | 617 n = c->recv(c, s->buffer->last, s->buffer->end - s->buffer->last); |
|
420
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
618 |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
619 if (n == NGX_ERROR || n == 0) { |
| 1482 | 620 ngx_mail_close_connection(c); |
|
420
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
621 return NGX_ERROR; |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
622 } |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
623 |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
624 if (n > 0) { |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
625 s->buffer->last += n; |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
626 } |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
627 |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
628 if (n == NGX_AGAIN) { |
|
2388
722b5aff05ae
use "!= NGX_OK" instead of "== NGX_ERROR"
Igor Sysoev <igor@sysoev.ru>
parents:
2224
diff
changeset
|
629 if (ngx_handle_read_event(c->read, 0) != NGX_OK) { |
| 1136 | 630 ngx_mail_session_internal_server_error(s); |
|
420
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
631 return NGX_ERROR; |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
632 } |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
633 |
|
5398
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4818
diff
changeset
|
634 if (s->buffer->pos == s->buffer->last) { |
|
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4818
diff
changeset
|
635 return NGX_AGAIN; |
|
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4818
diff
changeset
|
636 } |
|
420
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
637 } |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
638 |
|
1487
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
639 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
|
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
640 |
|
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
641 rc = cscf->protocol->parse_command(s); |
|
420
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
642 |
|
1108
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
643 if (rc == NGX_AGAIN) { |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
644 |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
645 if (s->buffer->last < s->buffer->end) { |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
646 return rc; |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
647 } |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
648 |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
649 l.len = s->buffer->last - s->buffer->start; |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
650 l.data = s->buffer->start; |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
651 |
| 1482 | 652 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
|
1108
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
653 "client sent too long command \"%V\"", &l); |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
654 |
|
1111
b0fc4af1f196
close connection for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1108
diff
changeset
|
655 s->quit = 1; |
|
b0fc4af1f196
close connection for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1108
diff
changeset
|
656 |
| 1136 | 657 return NGX_MAIL_PARSE_INVALID_COMMAND; |
|
1108
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
658 } |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
659 |
| 1136 | 660 if (rc == NGX_IMAP_NEXT || rc == NGX_MAIL_PARSE_INVALID_COMMAND) { |
|
420
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
661 return rc; |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
662 } |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
663 |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
664 if (rc == NGX_ERROR) { |
| 1482 | 665 ngx_mail_close_connection(c); |
|
420
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
666 return NGX_ERROR; |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
667 } |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
668 |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
669 return NGX_OK; |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
670 } |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
671 |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
672 |
| 521 | 673 void |
| 1482 | 674 ngx_mail_auth(ngx_mail_session_t *s, ngx_connection_t *c) |
|
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
675 { |
|
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
676 s->args.nelts = 0; |
|
5398
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4818
diff
changeset
|
677 |
|
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4818
diff
changeset
|
678 if (s->buffer->pos == s->buffer->last) { |
|
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4818
diff
changeset
|
679 s->buffer->pos = s->buffer->start; |
|
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4818
diff
changeset
|
680 s->buffer->last = s->buffer->start; |
|
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4818
diff
changeset
|
681 } |
|
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4818
diff
changeset
|
682 |
|
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
683 s->state = 0; |
|
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
684 |
| 1482 | 685 if (c->read->timer_set) { |
| 686 ngx_del_timer(c->read); | |
|
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
687 } |
|
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
688 |
|
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
689 s->login_attempt++; |
|
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
690 |
|
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
691 ngx_mail_auth_http_init(s); |
|
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
692 } |
|
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
693 |
|
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
694 |
|
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
695 void |
| 1136 | 696 ngx_mail_session_internal_server_error(ngx_mail_session_t *s) |
| 525 | 697 { |
|
1487
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
698 ngx_mail_core_srv_conf_t *cscf; |
|
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
699 |
|
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
700 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
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f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
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701 |
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f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
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702 s->out = cscf->protocol->internal_server_error; |
| 539 | 703 s->quit = 1; |
| 525 | 704 |
| 1136 | 705 ngx_mail_send(s->connection->write); |
| 525 | 706 } |
| 707 | |
| 708 | |
| 709 void | |
| 1136 | 710 ngx_mail_close_connection(ngx_connection_t *c) |
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417
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nginx-0.0.10-2004-09-07-19:29:22 import
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parents:
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diff
changeset
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711 { |
| 479 | 712 ngx_pool_t *pool; |
| 713 | |
| 1136 | 714 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
| 715 "close mail connection: %d", c->fd); | |
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417
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nginx-0.0.10-2004-09-07-19:29:22 import
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parents:
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diff
changeset
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716 |
| 1136 | 717 #if (NGX_MAIL_SSL) |
| 539 | 718 |
| 719 if (c->ssl) { | |
| 720 if (ngx_ssl_shutdown(c) == NGX_AGAIN) { | |
| 1136 | 721 c->ssl->handler = ngx_mail_close_connection; |
| 539 | 722 return; |
| 723 } | |
| 724 } | |
| 725 | |
| 726 #endif | |
| 727 | |
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decrement active connection counter in mail proxy
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parents:
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changeset
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728 #if (NGX_STAT_STUB) |
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2951
5acd98486a33
ignore ngx_atomic_fetch_add() result
Igor Sysoev <igor@sysoev.ru>
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2855
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changeset
|
729 (void) ngx_atomic_fetch_add(ngx_stat_active, -1); |
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decrement active connection counter in mail proxy
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changeset
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730 #endif |
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decrement active connection counter in mail proxy
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parents:
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changeset
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731 |
| 583 | 732 c->destroyed = 1; |
| 543 | 733 |
| 479 | 734 pool = c->pool; |
| 735 | |
|
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
736 ngx_close_connection(c); |
| 479 | 737 |
| 501 | 738 ngx_destroy_pool(pool); |
|
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
739 } |
| 539 | 740 |
| 741 | |
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1476
67578e966dcc
split pop3, imap, and smtp handlers
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parents:
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changeset
|
742 u_char * |
| 1136 | 743 ngx_mail_log_error(ngx_log_t *log, u_char *buf, size_t len) |
| 541 | 744 { |
| 567 | 745 u_char *p; |
| 1136 | 746 ngx_mail_session_t *s; |
| 747 ngx_mail_log_ctx_t *ctx; | |
| 541 | 748 |
| 749 if (log->action) { | |
| 750 p = ngx_snprintf(buf, len, " while %s", log->action); | |
| 751 len -= p - buf; | |
| 752 buf = p; | |
| 753 } | |
| 577 | 754 |
| 541 | 755 ctx = log->data; |
| 756 | |
| 757 p = ngx_snprintf(buf, len, ", client: %V", ctx->client); | |
| 758 len -= p - buf; | |
| 759 buf = p; | |
| 760 | |
| 761 s = ctx->session; | |
| 762 | |
| 763 if (s == NULL) { | |
| 764 return p; | |
| 765 } | |
| 766 | |
| 1491 | 767 p = ngx_snprintf(buf, len, "%s, server: %V", |
| 768 s->starttls ? " using starttls" : "", | |
| 769 s->addr_text); | |
| 541 | 770 len -= p - buf; |
| 771 buf = p; | |
| 772 | |
| 773 if (s->login.len == 0) { | |
| 774 return p; | |
| 775 } | |
| 776 | |
| 777 p = ngx_snprintf(buf, len, ", login: \"%V\"", &s->login); | |
| 778 len -= p - buf; | |
| 779 buf = p; | |
| 780 | |
| 781 if (s->proxy == NULL) { | |
| 782 return p; | |
| 783 } | |
| 784 | |
| 884 | 785 p = ngx_snprintf(buf, len, ", upstream: %V", s->proxy->upstream.name); |
| 541 | 786 |
| 787 return p; | |
| 788 } |