Mercurial > hg > nginx
annotate src/mail/ngx_mail_handler.c @ 5905:2f7e557eab5b
Cache: proxy_cache_lock_age and friends.
Once this age is reached, the cache lock is discarded and another
request can acquire the lock. Requests which failed to acquire
the lock are not allowed to cache the response.
| author | Roman Arutyunyan <arut@nginx.com> |
|---|---|
| date | Tue, 18 Nov 2014 20:41:12 +0300 |
| parents | 8e7ee4c70a3c |
| 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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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 | |
|
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; |
|
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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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parents:
1472
diff
changeset
|
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
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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
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
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
|
702 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
|
703 |
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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
|
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
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
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
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
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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1472
32450a2bbdf4
decrement active connection counter in mail proxy
Igor Sysoev <igor@sysoev.ru>
parents:
1323
diff
changeset
|
730 #if (NGX_STAT_STUB) |
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2951
5acd98486a33
ignore ngx_atomic_fetch_add() result
Igor Sysoev <igor@sysoev.ru>
parents:
2855
diff
changeset
|
731 (void) ngx_atomic_fetch_add(ngx_stat_active, -1); |
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1472
32450a2bbdf4
decrement active connection counter in mail proxy
Igor Sysoev <igor@sysoev.ru>
parents:
1323
diff
changeset
|
732 #endif |
|
32450a2bbdf4
decrement active connection counter in mail proxy
Igor Sysoev <igor@sysoev.ru>
parents:
1323
diff
changeset
|
733 |
| 583 | 734 c->destroyed = 1; |
| 543 | 735 |
| 479 | 736 pool = c->pool; |
| 737 | |
|
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
738 ngx_close_connection(c); |
| 479 | 739 |
| 501 | 740 ngx_destroy_pool(pool); |
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417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
741 } |
| 539 | 742 |
| 743 | |
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1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
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 } |