Mercurial > hg > nginx
annotate src/mail/ngx_mail_handler.c @ 5819:8e7ee4c70a3c
Mail: initialize the "signature" field of ngx_mail_session_t.
Currently it isn't used, but it can be suitable to distinguish
objects stored in c->data.
| author | Valentin Bartenev <vbart@nginx.com> |
|---|---|
| date | Mon, 01 Sep 2014 17:50:59 +0400 |
| parents | d5b8ee9f2201 |
| children | ec01b1d1fff1 |
| rev | line source |
|---|---|
|
441
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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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413
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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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417
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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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413
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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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413
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21 |
| 521 | 22 void |
| 1136 | 23 ngx_mail_init_connection(ngx_connection_t *c) |
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413
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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->signature = NGX_MAIL_MODULE; |
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125 |
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126 s->main_conf = addr_conf->ctx->main_conf; |
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127 s->srv_conf = addr_conf->ctx->srv_conf; |
| 641 | 128 |
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129 s->addr_text = &addr_conf->addr_text; |
| 641 | 130 |
| 131 c->data = s; | |
| 132 s->connection = c; | |
| 133 | |
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134 len = ngx_sock_ntop(c->sockaddr, c->socklen, text, NGX_SOCKADDR_STRLEN, 1); |
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135 |
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136 ngx_log_error(NGX_LOG_INFO, c->log, 0, "*%uA client %*s connected to %V", |
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137 c->number, len, text, s->addr_text); |
| 641 | 138 |
| 1136 | 139 ctx = ngx_palloc(c->pool, sizeof(ngx_mail_log_ctx_t)); |
| 641 | 140 if (ctx == NULL) { |
| 1136 | 141 ngx_mail_close_connection(c); |
| 641 | 142 return; |
| 143 } | |
| 144 | |
| 145 ctx->client = &c->addr_text; | |
| 146 ctx->session = s; | |
| 541 | 147 |
| 148 c->log->connection = c->number; | |
| 1136 | 149 c->log->handler = ngx_mail_log_error; |
| 641 | 150 c->log->data = ctx; |
| 541 | 151 c->log->action = "sending client greeting line"; |
| 152 | |
| 153 c->log_error = NGX_ERROR_INFO; | |
| 154 | |
| 1136 | 155 #if (NGX_MAIL_SSL) |
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156 { |
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157 ngx_mail_ssl_conf_t *sslcf; |
| 543 | 158 |
| 1136 | 159 sslcf = ngx_mail_get_module_srv_conf(s, ngx_mail_ssl_module); |
| 543 | 160 |
| 161 if (sslcf->enable) { | |
| 2224 | 162 c->log->action = "SSL handshaking"; |
| 163 | |
| 1136 | 164 ngx_mail_ssl_init_connection(&sslcf->ssl, c); |
| 547 | 165 return; |
| 543 | 166 } |
| 2224 | 167 |
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168 if (addr_conf->ssl) { |
| 2224 | 169 |
| 170 c->log->action = "SSL handshaking"; | |
| 171 | |
| 172 if (sslcf->ssl.ctx == NULL) { | |
| 173 ngx_log_error(NGX_LOG_ERR, c->log, 0, | |
| 174 "no \"ssl_certificate\" is defined " | |
| 175 "in server listening on SSL port"); | |
| 176 ngx_mail_close_connection(c); | |
| 177 return; | |
| 178 } | |
| 179 | |
| 180 ngx_mail_ssl_init_connection(&sslcf->ssl, c); | |
| 181 return; | |
| 182 } | |
| 183 | |
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184 } |
| 543 | 185 #endif |
| 186 | |
| 1136 | 187 ngx_mail_init_session(c); |
| 541 | 188 } |
| 189 | |
| 190 | |
| 1136 | 191 #if (NGX_MAIL_SSL) |
| 547 | 192 |
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193 void |
| 1136 | 194 ngx_mail_starttls_handler(ngx_event_t *rev) |
| 583 | 195 { |
| 196 ngx_connection_t *c; | |
| 1136 | 197 ngx_mail_session_t *s; |
| 198 ngx_mail_ssl_conf_t *sslcf; | |
| 583 | 199 |
| 200 c = rev->data; | |
| 201 s = c->data; | |
| 641 | 202 s->starttls = 1; |
| 583 | 203 |
| 204 c->log->action = "in starttls state"; | |
| 205 | |
| 1136 | 206 sslcf = ngx_mail_get_module_srv_conf(s, ngx_mail_ssl_module); |
| 583 | 207 |
| 1136 | 208 ngx_mail_ssl_init_connection(&sslcf->ssl, c); |
| 583 | 209 } |
| 210 | |
| 211 | |
| 212 static void | |
| 1136 | 213 ngx_mail_ssl_init_connection(ngx_ssl_t *ssl, ngx_connection_t *c) |
| 583 | 214 { |
| 1136 | 215 ngx_mail_session_t *s; |
| 216 ngx_mail_core_srv_conf_t *cscf; | |
| 583 | 217 |
| 218 if (ngx_ssl_create_connection(ssl, c, 0) == NGX_ERROR) { | |
| 1136 | 219 ngx_mail_close_connection(c); |
| 583 | 220 return; |
| 221 } | |
| 222 | |
| 223 if (ngx_ssl_handshake(c) == NGX_AGAIN) { | |
| 224 | |
| 641 | 225 s = c->data; |
| 226 | |
| 1136 | 227 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
| 583 | 228 |
| 229 ngx_add_timer(c->read, cscf->timeout); | |
| 230 | |
| 1136 | 231 c->ssl->handler = ngx_mail_ssl_handshake_handler; |
| 583 | 232 |
| 233 return; | |
| 234 } | |
| 235 | |
| 1136 | 236 ngx_mail_ssl_handshake_handler(c); |
| 583 | 237 } |
| 238 | |
| 239 | |
| 240 static void | |
| 1136 | 241 ngx_mail_ssl_handshake_handler(ngx_connection_t *c) |
| 577 | 242 { |
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243 ngx_mail_session_t *s; |
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244 ngx_mail_core_srv_conf_t *cscf; |
| 641 | 245 |
| 547 | 246 if (c->ssl->handshaked) { |
| 583 | 247 |
| 641 | 248 s = c->data; |
| 249 | |
| 250 if (s->starttls) { | |
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251 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
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252 |
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253 c->read->handler = cscf->protocol->init_protocol; |
| 1136 | 254 c->write->handler = ngx_mail_send; |
| 583 | 255 |
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256 cscf->protocol->init_protocol(c->read); |
| 583 | 257 |
| 258 return; | |
| 259 } | |
| 260 | |
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261 c->read->ready = 0; |
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262 |
| 1136 | 263 ngx_mail_init_session(c); |
| 547 | 264 return; |
| 265 } | |
| 266 | |
| 1136 | 267 ngx_mail_close_connection(c); |
| 547 | 268 } |
| 269 | |
| 270 #endif | |
| 271 | |
| 272 | |
| 273 static void | |
| 1136 | 274 ngx_mail_init_session(ngx_connection_t *c) |
| 541 | 275 { |
| 1136 | 276 ngx_mail_session_t *s; |
| 277 ngx_mail_core_srv_conf_t *cscf; | |
|
417
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278 |
| 641 | 279 s = c->data; |
|
413
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280 |
| 1136 | 281 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
| 539 | 282 |
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283 s->protocol = cscf->protocol->type; |
| 539 | 284 |
| 1136 | 285 s->ctx = ngx_pcalloc(c->pool, sizeof(void *) * ngx_mail_max_module); |
| 539 | 286 if (s->ctx == NULL) { |
| 1136 | 287 ngx_mail_session_internal_server_error(s); |
| 539 | 288 return; |
| 289 } | |
| 290 | |
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291 c->write->handler = ngx_mail_send; |
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292 |
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293 cscf->protocol->init_session(s, c); |
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294 } |
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295 |
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296 |
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297 ngx_int_t |
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298 ngx_mail_salt(ngx_mail_session_t *s, ngx_connection_t *c, |
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299 ngx_mail_core_srv_conf_t *cscf) |
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300 { |
| 2049 | 301 s->salt.data = ngx_pnalloc(c->pool, |
| 302 sizeof(" <18446744073709551616.@>" CRLF) - 1 | |
| 303 + NGX_TIME_T_LEN | |
| 304 + cscf->server_name.len); | |
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305 if (s->salt.data == NULL) { |
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306 return NGX_ERROR; |
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307 } |
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308 |
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309 s->salt.len = ngx_sprintf(s->salt.data, "<%ul.%T@%V>" CRLF, |
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310 ngx_random(), ngx_time(), &cscf->server_name) |
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311 - s->salt.data; |
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312 |
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313 return NGX_OK; |
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314 } |
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315 |
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316 |
| 1479 | 317 #if (NGX_MAIL_SSL) |
| 318 | |
| 319 ngx_int_t | |
| 320 ngx_mail_starttls_only(ngx_mail_session_t *s, ngx_connection_t *c) | |
| 321 { | |
| 322 ngx_mail_ssl_conf_t *sslcf; | |
| 323 | |
| 324 if (c->ssl) { | |
| 325 return 0; | |
| 326 } | |
| 327 | |
| 328 sslcf = ngx_mail_get_module_srv_conf(s, ngx_mail_ssl_module); | |
| 329 | |
| 330 if (sslcf->starttls == NGX_MAIL_STARTTLS_ONLY) { | |
| 331 return 1; | |
| 332 } | |
| 333 | |
| 334 return 0; | |
| 335 } | |
| 336 | |
| 337 #endif | |
| 338 | |
| 339 | |
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340 ngx_int_t |
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341 ngx_mail_auth_plain(ngx_mail_session_t *s, ngx_connection_t *c, ngx_uint_t n) |
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342 { |
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343 u_char *p, *last; |
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344 ngx_str_t *arg, plain; |
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345 |
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346 arg = s->args.elts; |
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347 |
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348 #if (NGX_DEBUG_MAIL_PASSWD) |
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349 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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350 "mail auth plain: \"%V\"", &arg[n]); |
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351 #endif |
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352 |
| 2049 | 353 plain.data = ngx_pnalloc(c->pool, ngx_base64_decoded_length(arg[n].len)); |
| 3642 | 354 if (plain.data == NULL) { |
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355 return NGX_ERROR; |
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356 } |
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357 |
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358 if (ngx_decode_base64(&plain, &arg[n]) != NGX_OK) { |
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359 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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360 "client sent invalid base64 encoding in AUTH PLAIN command"); |
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361 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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362 } |
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363 |
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364 p = plain.data; |
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365 last = p + plain.len; |
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366 |
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367 while (p < last && *p++) { /* void */ } |
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368 |
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369 if (p == last) { |
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370 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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371 "client sent invalid login in AUTH PLAIN command"); |
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372 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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373 } |
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374 |
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375 s->login.data = p; |
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376 |
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377 while (p < last && *p) { p++; } |
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378 |
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379 if (p == last) { |
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380 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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381 "client sent invalid password in AUTH PLAIN command"); |
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382 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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383 } |
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384 |
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385 s->login.len = p++ - s->login.data; |
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386 |
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387 s->passwd.len = last - p; |
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388 s->passwd.data = p; |
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389 |
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390 #if (NGX_DEBUG_MAIL_PASSWD) |
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391 ngx_log_debug2(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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392 "mail auth plain: \"%V\" \"%V\"", &s->login, &s->passwd); |
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393 #endif |
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394 |
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395 return NGX_DONE; |
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396 } |
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397 |
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398 |
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399 ngx_int_t |
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400 ngx_mail_auth_login_username(ngx_mail_session_t *s, ngx_connection_t *c, |
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401 ngx_uint_t n) |
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402 { |
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403 ngx_str_t *arg; |
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404 |
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405 arg = s->args.elts; |
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406 |
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407 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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408 "mail auth login username: \"%V\"", &arg[n]); |
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409 |
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410 s->login.data = ngx_pnalloc(c->pool, ngx_base64_decoded_length(arg[n].len)); |
| 3642 | 411 if (s->login.data == NULL) { |
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412 return NGX_ERROR; |
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413 } |
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414 |
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415 if (ngx_decode_base64(&s->login, &arg[n]) != NGX_OK) { |
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416 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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417 "client sent invalid base64 encoding in AUTH LOGIN command"); |
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418 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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419 } |
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420 |
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421 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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422 "mail auth login username: \"%V\"", &s->login); |
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423 |
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424 return NGX_OK; |
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425 } |
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426 |
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427 |
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428 ngx_int_t |
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429 ngx_mail_auth_login_password(ngx_mail_session_t *s, ngx_connection_t *c) |
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430 { |
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431 ngx_str_t *arg; |
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432 |
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433 arg = s->args.elts; |
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434 |
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435 #if (NGX_DEBUG_MAIL_PASSWD) |
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436 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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437 "mail auth login password: \"%V\"", &arg[0]); |
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438 #endif |
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439 |
| 2049 | 440 s->passwd.data = ngx_pnalloc(c->pool, |
| 441 ngx_base64_decoded_length(arg[0].len)); | |
| 3642 | 442 if (s->passwd.data == NULL) { |
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443 return NGX_ERROR; |
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444 } |
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445 |
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446 if (ngx_decode_base64(&s->passwd, &arg[0]) != NGX_OK) { |
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447 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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448 "client sent invalid base64 encoding in AUTH LOGIN command"); |
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449 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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450 } |
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451 |
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452 #if (NGX_DEBUG_MAIL_PASSWD) |
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453 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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454 "mail auth login password: \"%V\"", &s->passwd); |
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455 #endif |
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456 |
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457 return NGX_DONE; |
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458 } |
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459 |
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460 |
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461 ngx_int_t |
| 1479 | 462 ngx_mail_auth_cram_md5_salt(ngx_mail_session_t *s, ngx_connection_t *c, |
| 463 char *prefix, size_t len) | |
| 464 { | |
| 465 u_char *p; | |
| 466 ngx_str_t salt; | |
| 467 ngx_uint_t n; | |
| 468 | |
| 2049 | 469 p = ngx_pnalloc(c->pool, len + ngx_base64_encoded_length(s->salt.len) + 2); |
| 1479 | 470 if (p == NULL) { |
| 471 return NGX_ERROR; | |
| 472 } | |
| 473 | |
| 474 salt.data = ngx_cpymem(p, prefix, len); | |
| 475 s->salt.len -= 2; | |
| 476 | |
| 477 ngx_encode_base64(&salt, &s->salt); | |
| 478 | |
| 479 s->salt.len += 2; | |
| 480 n = len + salt.len; | |
| 481 p[n++] = CR; p[n++] = LF; | |
| 482 | |
| 483 s->out.len = n; | |
| 484 s->out.data = p; | |
| 485 | |
| 486 return NGX_OK; | |
| 487 } | |
| 488 | |
| 489 | |
| 490 ngx_int_t | |
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491 ngx_mail_auth_cram_md5(ngx_mail_session_t *s, ngx_connection_t *c) |
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492 { |
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493 u_char *p, *last; |
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494 ngx_str_t *arg; |
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495 |
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496 arg = s->args.elts; |
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497 |
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498 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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499 "mail auth cram-md5: \"%V\"", &arg[0]); |
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500 |
| 2049 | 501 s->login.data = ngx_pnalloc(c->pool, ngx_base64_decoded_length(arg[0].len)); |
| 3642 | 502 if (s->login.data == NULL) { |
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503 return NGX_ERROR; |
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504 } |
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505 |
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506 if (ngx_decode_base64(&s->login, &arg[0]) != NGX_OK) { |
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507 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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508 "client sent invalid base64 encoding in AUTH CRAM-MD5 command"); |
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509 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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510 } |
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511 |
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512 p = s->login.data; |
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513 last = p + s->login.len; |
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514 |
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515 while (p < last) { |
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516 if (*p++ == ' ') { |
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517 s->login.len = p - s->login.data - 1; |
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518 s->passwd.len = last - p; |
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519 s->passwd.data = p; |
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520 break; |
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521 } |
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522 } |
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523 |
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524 if (s->passwd.len != 32) { |
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525 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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526 "client sent invalid CRAM-MD5 hash in AUTH CRAM-MD5 command"); |
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527 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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528 } |
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529 |
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|
530 ngx_log_debug2(NGX_LOG_DEBUG_MAIL, c->log, 0, |
|
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
531 "mail auth cram-md5: \"%V\" \"%V\"", &s->login, &s->passwd); |
|
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 s->auth_method = NGX_MAIL_AUTH_CRAM_MD5; |
|
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
534 |
|
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
535 return NGX_DONE; |
| 539 | 536 } |
| 537 | |
| 538 | |
| 539 void | |
| 1136 | 540 ngx_mail_send(ngx_event_t *wev) |
| 539 | 541 { |
| 541 | 542 ngx_int_t n; |
| 543 ngx_connection_t *c; | |
| 1136 | 544 ngx_mail_session_t *s; |
| 545 ngx_mail_core_srv_conf_t *cscf; | |
| 539 | 546 |
| 547 c = wev->data; | |
| 548 s = c->data; | |
| 549 | |
| 550 if (wev->timedout) { | |
| 551 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out"); | |
| 577 | 552 c->timedout = 1; |
| 1136 | 553 ngx_mail_close_connection(c); |
| 539 | 554 return; |
| 555 } | |
| 556 | |
| 557 if (s->out.len == 0) { | |
|
2388
722b5aff05ae
use "!= NGX_OK" instead of "== NGX_ERROR"
Igor Sysoev <igor@sysoev.ru>
parents:
2224
diff
changeset
|
558 if (ngx_handle_write_event(c->write, 0) != NGX_OK) { |
| 1136 | 559 ngx_mail_close_connection(c); |
| 539 | 560 } |
| 561 | |
| 562 return; | |
| 563 } | |
| 564 | |
| 565 n = c->send(c, s->out.data, s->out.len); | |
| 566 | |
| 567 if (n > 0) { | |
|
5632
b42e7c790b81
Mail: fixed ngx_mail_send() (ticket #519).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5600
diff
changeset
|
568 s->out.data += n; |
| 539 | 569 s->out.len -= n; |
| 570 | |
|
5632
b42e7c790b81
Mail: fixed ngx_mail_send() (ticket #519).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5600
diff
changeset
|
571 if (s->out.len != 0) { |
|
b42e7c790b81
Mail: fixed ngx_mail_send() (ticket #519).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5600
diff
changeset
|
572 goto again; |
|
b42e7c790b81
Mail: fixed ngx_mail_send() (ticket #519).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5600
diff
changeset
|
573 } |
|
b42e7c790b81
Mail: fixed ngx_mail_send() (ticket #519).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5600
diff
changeset
|
574 |
| 541 | 575 if (wev->timer_set) { |
| 576 ngx_del_timer(wev); | |
| 577 } | |
| 578 | |
| 539 | 579 if (s->quit) { |
| 1136 | 580 ngx_mail_close_connection(c); |
| 539 | 581 return; |
| 582 } | |
| 583 | |
| 584 if (s->blocked) { | |
| 585 c->read->handler(c->read); | |
| 586 } | |
| 587 | |
| 588 return; | |
| 589 } | |
| 590 | |
| 591 if (n == NGX_ERROR) { | |
| 1136 | 592 ngx_mail_close_connection(c); |
| 539 | 593 return; |
| 594 } | |
| 595 | |
| 596 /* n == NGX_AGAIN */ | |
| 597 | |
|
5632
b42e7c790b81
Mail: fixed ngx_mail_send() (ticket #519).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5600
diff
changeset
|
598 again: |
|
b42e7c790b81
Mail: fixed ngx_mail_send() (ticket #519).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5600
diff
changeset
|
599 |
| 1136 | 600 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
| 541 | 601 |
| 602 ngx_add_timer(c->write, cscf->timeout); | |
| 603 | |
|
2388
722b5aff05ae
use "!= NGX_OK" instead of "== NGX_ERROR"
Igor Sysoev <igor@sysoev.ru>
parents:
2224
diff
changeset
|
604 if (ngx_handle_write_event(c->write, 0) != NGX_OK) { |
| 1136 | 605 ngx_mail_close_connection(c); |
| 539 | 606 return; |
| 607 } | |
|
413
de9d4726e28a
nginx-0.0.10-2004-08-31-23:05:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
608 } |
|
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
609 |
|
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
610 |
|
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
611 ngx_int_t |
| 1482 | 612 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
|
613 { |
|
1487
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
614 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
|
615 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
|
616 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
|
617 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
|
618 |
| 1482 | 619 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
|
620 |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
621 if (n == NGX_ERROR || n == 0) { |
| 1482 | 622 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
|
623 return NGX_ERROR; |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
624 } |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
625 |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
626 if (n > 0) { |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
627 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
|
628 } |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
629 |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
630 if (n == NGX_AGAIN) { |
|
2388
722b5aff05ae
use "!= NGX_OK" instead of "== NGX_ERROR"
Igor Sysoev <igor@sysoev.ru>
parents:
2224
diff
changeset
|
631 if (ngx_handle_read_event(c->read, 0) != NGX_OK) { |
| 1136 | 632 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
|
633 return NGX_ERROR; |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
634 } |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
635 |
|
5398
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4818
diff
changeset
|
636 if (s->buffer->pos == s->buffer->last) { |
|
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4818
diff
changeset
|
637 return NGX_AGAIN; |
|
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4818
diff
changeset
|
638 } |
|
420
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
639 } |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
640 |
|
1487
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
641 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
|
642 |
|
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
643 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
|
644 |
|
1108
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
645 if (rc == NGX_AGAIN) { |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
646 |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
647 if (s->buffer->last < s->buffer->end) { |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
648 return rc; |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
649 } |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
650 |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
651 l.len = s->buffer->last - s->buffer->start; |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
652 l.data = s->buffer->start; |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
653 |
| 1482 | 654 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
|
655 "client sent too long command \"%V\"", &l); |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
656 |
|
1111
b0fc4af1f196
close connection for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1108
diff
changeset
|
657 s->quit = 1; |
|
b0fc4af1f196
close connection for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1108
diff
changeset
|
658 |
| 1136 | 659 return NGX_MAIL_PARSE_INVALID_COMMAND; |
|
1108
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
660 } |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
661 |
| 1136 | 662 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
|
663 return rc; |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
664 } |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
665 |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
666 if (rc == NGX_ERROR) { |
| 1482 | 667 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
|
668 return NGX_ERROR; |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
669 } |
|
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 return NGX_OK; |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
672 } |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
673 |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
674 |
| 521 | 675 void |
| 1482 | 676 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
|
677 { |
|
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
678 s->args.nelts = 0; |
|
5398
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4818
diff
changeset
|
679 |
|
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4818
diff
changeset
|
680 if (s->buffer->pos == s->buffer->last) { |
|
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4818
diff
changeset
|
681 s->buffer->pos = s->buffer->start; |
|
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4818
diff
changeset
|
682 s->buffer->last = s->buffer->start; |
|
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4818
diff
changeset
|
683 } |
|
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4818
diff
changeset
|
684 |
|
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
685 s->state = 0; |
|
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
686 |
| 1482 | 687 if (c->read->timer_set) { |
| 688 ngx_del_timer(c->read); | |
|
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
689 } |
|
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 s->login_attempt++; |
|
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 ngx_mail_auth_http_init(s); |
|
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 |
|
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
696 |
|
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
697 void |
| 1136 | 698 ngx_mail_session_internal_server_error(ngx_mail_session_t *s) |
| 525 | 699 { |
|
1487
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
700 ngx_mail_core_srv_conf_t *cscf; |
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f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
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changeset
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701 |
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ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
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parents:
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702 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
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parents:
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703 |
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ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
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704 s->out = cscf->protocol->internal_server_error; |
| 539 | 705 s->quit = 1; |
| 525 | 706 |
| 1136 | 707 ngx_mail_send(s->connection->write); |
| 525 | 708 } |
| 709 | |
| 710 | |
| 711 void | |
| 1136 | 712 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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713 { |
| 479 | 714 ngx_pool_t *pool; |
| 715 | |
| 1136 | 716 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
| 717 "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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718 |
| 1136 | 719 #if (NGX_MAIL_SSL) |
| 539 | 720 |
| 721 if (c->ssl) { | |
| 722 if (ngx_ssl_shutdown(c) == NGX_AGAIN) { | |
| 1136 | 723 c->ssl->handler = ngx_mail_close_connection; |
| 539 | 724 return; |
| 725 } | |
| 726 } | |
| 727 | |
| 728 #endif | |
| 729 | |
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decrement active connection counter in mail proxy
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730 #if (NGX_STAT_STUB) |
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2951
5acd98486a33
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731 (void) ngx_atomic_fetch_add(ngx_stat_active, -1); |
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732 #endif |
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733 |
| 583 | 734 c->destroyed = 1; |
| 543 | 735 |
| 479 | 736 pool = c->pool; |
| 737 | |
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417
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nginx-0.0.10-2004-09-07-19:29:22 import
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738 ngx_close_connection(c); |
| 479 | 739 |
| 501 | 740 ngx_destroy_pool(pool); |
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417
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nginx-0.0.10-2004-09-07-19:29:22 import
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741 } |
| 539 | 742 |
| 743 | |
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744 u_char * |
| 1136 | 745 ngx_mail_log_error(ngx_log_t *log, u_char *buf, size_t len) |
| 541 | 746 { |
| 567 | 747 u_char *p; |
| 1136 | 748 ngx_mail_session_t *s; |
| 749 ngx_mail_log_ctx_t *ctx; | |
| 541 | 750 |
| 751 if (log->action) { | |
| 752 p = ngx_snprintf(buf, len, " while %s", log->action); | |
| 753 len -= p - buf; | |
| 754 buf = p; | |
| 755 } | |
| 577 | 756 |
| 541 | 757 ctx = log->data; |
| 758 | |
| 759 p = ngx_snprintf(buf, len, ", client: %V", ctx->client); | |
| 760 len -= p - buf; | |
| 761 buf = p; | |
| 762 | |
| 763 s = ctx->session; | |
| 764 | |
| 765 if (s == NULL) { | |
| 766 return p; | |
| 767 } | |
| 768 | |
| 1491 | 769 p = ngx_snprintf(buf, len, "%s, server: %V", |
| 770 s->starttls ? " using starttls" : "", | |
| 771 s->addr_text); | |
| 541 | 772 len -= p - buf; |
| 773 buf = p; | |
| 774 | |
| 775 if (s->login.len == 0) { | |
| 776 return p; | |
| 777 } | |
| 778 | |
| 779 p = ngx_snprintf(buf, len, ", login: \"%V\"", &s->login); | |
| 780 len -= p - buf; | |
| 781 buf = p; | |
| 782 | |
| 783 if (s->proxy == NULL) { | |
| 784 return p; | |
| 785 } | |
| 786 | |
| 884 | 787 p = ngx_snprintf(buf, len, ", upstream: %V", s->proxy->upstream.name); |
| 541 | 788 |
| 789 return p; | |
| 790 } |