Mercurial > hg > nginx
annotate src/mail/ngx_mail_handler.c @ 5600:957d734362ed
Fixed format specifier in logging of "c->number".
| author | Sergey Kandaurov <pluknet@nginx.com> |
|---|---|
| date | Thu, 06 Mar 2014 18:25:59 +0400 |
| parents | 04e43d03e153 |
| children | b42e7c790b81 |
| rev | line source |
|---|---|
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
| 4412 | 4 * Copyright (C) Nginx, Inc. |
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441
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5 */ |
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6 |
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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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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 ngx_uint_t i; |
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26 ngx_mail_port_t *port; |
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27 struct sockaddr *sa; |
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28 struct sockaddr_in *sin; |
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29 ngx_mail_log_ctx_t *ctx; |
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30 ngx_mail_in_addr_t *addr; |
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31 ngx_mail_session_t *s; |
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32 ngx_mail_addr_conf_t *addr_conf; |
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33 #if (NGX_HAVE_INET6) |
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34 struct sockaddr_in6 *sin6; |
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35 ngx_mail_in6_addr_t *addr6; |
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36 #endif |
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37 |
| 641 | 38 |
| 39 /* find the server configuration for the address:port */ | |
| 40 | |
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41 port = c->listening->servers; |
| 641 | 42 |
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43 if (port->naddrs > 1) { |
| 641 | 44 |
| 45 /* | |
| 46 * There are several addresses on this port and one of them | |
| 47 * is the "*:port" wildcard so getsockname() is needed to determine | |
| 48 * the server address. | |
| 49 * | |
| 50 * AcceptEx() already gave this address. | |
| 51 */ | |
| 52 | |
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53 if (ngx_connection_local_sockaddr(c, NULL, 0) != NGX_OK) { |
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54 ngx_mail_close_connection(c); |
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55 return; |
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56 } |
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57 |
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58 sa = c->local_sockaddr; |
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59 |
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60 switch (sa->sa_family) { |
| 541 | 61 |
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62 #if (NGX_HAVE_INET6) |
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63 case AF_INET6: |
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64 sin6 = (struct sockaddr_in6 *) sa; |
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65 |
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66 addr6 = port->addrs; |
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67 |
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68 /* the last address is "*" */ |
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69 |
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70 for (i = 0; i < port->naddrs - 1; i++) { |
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71 if (ngx_memcmp(&addr6[i].addr6, &sin6->sin6_addr, 16) == 0) { |
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72 break; |
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73 } |
| 641 | 74 } |
| 75 | |
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76 addr_conf = &addr6[i].conf; |
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77 |
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78 break; |
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79 #endif |
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80 |
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81 default: /* AF_INET */ |
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82 sin = (struct sockaddr_in *) sa; |
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83 |
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84 addr = port->addrs; |
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85 |
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86 /* the last address is "*" */ |
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87 |
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88 for (i = 0; i < port->naddrs - 1; i++) { |
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89 if (addr[i].addr == sin->sin_addr.s_addr) { |
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90 break; |
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91 } |
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92 } |
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93 |
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94 addr_conf = &addr[i].conf; |
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95 |
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96 break; |
| 641 | 97 } |
| 98 | |
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99 } else { |
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100 switch (c->local_sockaddr->sa_family) { |
| 641 | 101 |
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102 #if (NGX_HAVE_INET6) |
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103 case AF_INET6: |
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104 addr6 = port->addrs; |
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105 addr_conf = &addr6[0].conf; |
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106 break; |
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107 #endif |
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108 |
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109 default: /* AF_INET */ |
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110 addr = port->addrs; |
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111 addr_conf = &addr[0].conf; |
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112 break; |
| 641 | 113 } |
| 114 } | |
| 115 | |
| 1136 | 116 s = ngx_pcalloc(c->pool, sizeof(ngx_mail_session_t)); |
| 641 | 117 if (s == NULL) { |
| 1136 | 118 ngx_mail_close_connection(c); |
| 541 | 119 return; |
| 577 | 120 } |
| 541 | 121 |
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122 s->main_conf = addr_conf->ctx->main_conf; |
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123 s->srv_conf = addr_conf->ctx->srv_conf; |
| 641 | 124 |
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125 s->addr_text = &addr_conf->addr_text; |
| 641 | 126 |
| 127 c->data = s; | |
| 128 s->connection = c; | |
| 129 | |
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Fixed format specifier in logging of "c->number".
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130 ngx_log_error(NGX_LOG_INFO, c->log, 0, "*%uA client %V connected to %V", |
| 641 | 131 c->number, &c->addr_text, s->addr_text); |
| 132 | |
| 1136 | 133 ctx = ngx_palloc(c->pool, sizeof(ngx_mail_log_ctx_t)); |
| 641 | 134 if (ctx == NULL) { |
| 1136 | 135 ngx_mail_close_connection(c); |
| 641 | 136 return; |
| 137 } | |
| 138 | |
| 139 ctx->client = &c->addr_text; | |
| 140 ctx->session = s; | |
| 541 | 141 |
| 142 c->log->connection = c->number; | |
| 1136 | 143 c->log->handler = ngx_mail_log_error; |
| 641 | 144 c->log->data = ctx; |
| 541 | 145 c->log->action = "sending client greeting line"; |
| 146 | |
| 147 c->log_error = NGX_ERROR_INFO; | |
| 148 | |
| 1136 | 149 #if (NGX_MAIL_SSL) |
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150 { |
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151 ngx_mail_ssl_conf_t *sslcf; |
| 543 | 152 |
| 1136 | 153 sslcf = ngx_mail_get_module_srv_conf(s, ngx_mail_ssl_module); |
| 543 | 154 |
| 155 if (sslcf->enable) { | |
| 2224 | 156 c->log->action = "SSL handshaking"; |
| 157 | |
| 1136 | 158 ngx_mail_ssl_init_connection(&sslcf->ssl, c); |
| 547 | 159 return; |
| 543 | 160 } |
| 2224 | 161 |
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162 if (addr_conf->ssl) { |
| 2224 | 163 |
| 164 c->log->action = "SSL handshaking"; | |
| 165 | |
| 166 if (sslcf->ssl.ctx == NULL) { | |
| 167 ngx_log_error(NGX_LOG_ERR, c->log, 0, | |
| 168 "no \"ssl_certificate\" is defined " | |
| 169 "in server listening on SSL port"); | |
| 170 ngx_mail_close_connection(c); | |
| 171 return; | |
| 172 } | |
| 173 | |
| 174 ngx_mail_ssl_init_connection(&sslcf->ssl, c); | |
| 175 return; | |
| 176 } | |
| 177 | |
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178 } |
| 543 | 179 #endif |
| 180 | |
| 1136 | 181 ngx_mail_init_session(c); |
| 541 | 182 } |
| 183 | |
| 184 | |
| 1136 | 185 #if (NGX_MAIL_SSL) |
| 547 | 186 |
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187 void |
| 1136 | 188 ngx_mail_starttls_handler(ngx_event_t *rev) |
| 583 | 189 { |
| 190 ngx_connection_t *c; | |
| 1136 | 191 ngx_mail_session_t *s; |
| 192 ngx_mail_ssl_conf_t *sslcf; | |
| 583 | 193 |
| 194 c = rev->data; | |
| 195 s = c->data; | |
| 641 | 196 s->starttls = 1; |
| 583 | 197 |
| 198 c->log->action = "in starttls state"; | |
| 199 | |
| 1136 | 200 sslcf = ngx_mail_get_module_srv_conf(s, ngx_mail_ssl_module); |
| 583 | 201 |
| 1136 | 202 ngx_mail_ssl_init_connection(&sslcf->ssl, c); |
| 583 | 203 } |
| 204 | |
| 205 | |
| 206 static void | |
| 1136 | 207 ngx_mail_ssl_init_connection(ngx_ssl_t *ssl, ngx_connection_t *c) |
| 583 | 208 { |
| 1136 | 209 ngx_mail_session_t *s; |
| 210 ngx_mail_core_srv_conf_t *cscf; | |
| 583 | 211 |
| 212 if (ngx_ssl_create_connection(ssl, c, 0) == NGX_ERROR) { | |
| 1136 | 213 ngx_mail_close_connection(c); |
| 583 | 214 return; |
| 215 } | |
| 216 | |
| 217 if (ngx_ssl_handshake(c) == NGX_AGAIN) { | |
| 218 | |
| 641 | 219 s = c->data; |
| 220 | |
| 1136 | 221 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
| 583 | 222 |
| 223 ngx_add_timer(c->read, cscf->timeout); | |
| 224 | |
| 1136 | 225 c->ssl->handler = ngx_mail_ssl_handshake_handler; |
| 583 | 226 |
| 227 return; | |
| 228 } | |
| 229 | |
| 1136 | 230 ngx_mail_ssl_handshake_handler(c); |
| 583 | 231 } |
| 232 | |
| 233 | |
| 234 static void | |
| 1136 | 235 ngx_mail_ssl_handshake_handler(ngx_connection_t *c) |
| 577 | 236 { |
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237 ngx_mail_session_t *s; |
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238 ngx_mail_core_srv_conf_t *cscf; |
| 641 | 239 |
| 547 | 240 if (c->ssl->handshaked) { |
| 583 | 241 |
| 641 | 242 s = c->data; |
| 243 | |
| 244 if (s->starttls) { | |
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245 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
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246 |
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247 c->read->handler = cscf->protocol->init_protocol; |
| 1136 | 248 c->write->handler = ngx_mail_send; |
| 583 | 249 |
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250 cscf->protocol->init_protocol(c->read); |
| 583 | 251 |
| 252 return; | |
| 253 } | |
| 254 | |
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255 c->read->ready = 0; |
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256 |
| 1136 | 257 ngx_mail_init_session(c); |
| 547 | 258 return; |
| 259 } | |
| 260 | |
| 1136 | 261 ngx_mail_close_connection(c); |
| 547 | 262 } |
| 263 | |
| 264 #endif | |
| 265 | |
| 266 | |
| 267 static void | |
| 1136 | 268 ngx_mail_init_session(ngx_connection_t *c) |
| 541 | 269 { |
| 1136 | 270 ngx_mail_session_t *s; |
| 271 ngx_mail_core_srv_conf_t *cscf; | |
|
417
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272 |
| 641 | 273 s = c->data; |
|
413
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274 |
| 1136 | 275 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
| 539 | 276 |
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277 s->protocol = cscf->protocol->type; |
| 539 | 278 |
| 1136 | 279 s->ctx = ngx_pcalloc(c->pool, sizeof(void *) * ngx_mail_max_module); |
| 539 | 280 if (s->ctx == NULL) { |
| 1136 | 281 ngx_mail_session_internal_server_error(s); |
| 539 | 282 return; |
| 283 } | |
| 284 | |
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285 c->write->handler = ngx_mail_send; |
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286 |
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287 cscf->protocol->init_session(s, c); |
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288 } |
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289 |
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290 |
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291 ngx_int_t |
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292 ngx_mail_salt(ngx_mail_session_t *s, ngx_connection_t *c, |
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293 ngx_mail_core_srv_conf_t *cscf) |
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294 { |
| 2049 | 295 s->salt.data = ngx_pnalloc(c->pool, |
| 296 sizeof(" <18446744073709551616.@>" CRLF) - 1 | |
| 297 + NGX_TIME_T_LEN | |
| 298 + cscf->server_name.len); | |
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299 if (s->salt.data == NULL) { |
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300 return NGX_ERROR; |
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301 } |
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302 |
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303 s->salt.len = ngx_sprintf(s->salt.data, "<%ul.%T@%V>" CRLF, |
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304 ngx_random(), ngx_time(), &cscf->server_name) |
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305 - s->salt.data; |
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306 |
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307 return NGX_OK; |
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308 } |
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309 |
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310 |
| 1479 | 311 #if (NGX_MAIL_SSL) |
| 312 | |
| 313 ngx_int_t | |
| 314 ngx_mail_starttls_only(ngx_mail_session_t *s, ngx_connection_t *c) | |
| 315 { | |
| 316 ngx_mail_ssl_conf_t *sslcf; | |
| 317 | |
| 318 if (c->ssl) { | |
| 319 return 0; | |
| 320 } | |
| 321 | |
| 322 sslcf = ngx_mail_get_module_srv_conf(s, ngx_mail_ssl_module); | |
| 323 | |
| 324 if (sslcf->starttls == NGX_MAIL_STARTTLS_ONLY) { | |
| 325 return 1; | |
| 326 } | |
| 327 | |
| 328 return 0; | |
| 329 } | |
| 330 | |
| 331 #endif | |
| 332 | |
| 333 | |
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334 ngx_int_t |
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335 ngx_mail_auth_plain(ngx_mail_session_t *s, ngx_connection_t *c, ngx_uint_t n) |
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336 { |
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337 u_char *p, *last; |
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338 ngx_str_t *arg, plain; |
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339 |
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340 arg = s->args.elts; |
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341 |
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342 #if (NGX_DEBUG_MAIL_PASSWD) |
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343 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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344 "mail auth plain: \"%V\"", &arg[n]); |
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345 #endif |
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346 |
| 2049 | 347 plain.data = ngx_pnalloc(c->pool, ngx_base64_decoded_length(arg[n].len)); |
| 3642 | 348 if (plain.data == NULL) { |
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349 return NGX_ERROR; |
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350 } |
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351 |
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352 if (ngx_decode_base64(&plain, &arg[n]) != NGX_OK) { |
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353 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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354 "client sent invalid base64 encoding in AUTH PLAIN command"); |
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355 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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356 } |
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357 |
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358 p = plain.data; |
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359 last = p + plain.len; |
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360 |
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361 while (p < last && *p++) { /* void */ } |
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362 |
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363 if (p == last) { |
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364 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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365 "client sent invalid login in AUTH PLAIN command"); |
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366 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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367 } |
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368 |
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369 s->login.data = p; |
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370 |
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371 while (p < last && *p) { p++; } |
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372 |
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373 if (p == last) { |
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374 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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375 "client sent invalid password in AUTH PLAIN command"); |
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376 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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377 } |
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378 |
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379 s->login.len = p++ - s->login.data; |
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380 |
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381 s->passwd.len = last - p; |
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382 s->passwd.data = p; |
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383 |
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384 #if (NGX_DEBUG_MAIL_PASSWD) |
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385 ngx_log_debug2(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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386 "mail auth plain: \"%V\" \"%V\"", &s->login, &s->passwd); |
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387 #endif |
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388 |
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389 return NGX_DONE; |
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390 } |
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391 |
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392 |
|
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393 ngx_int_t |
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394 ngx_mail_auth_login_username(ngx_mail_session_t *s, ngx_connection_t *c, |
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395 ngx_uint_t n) |
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396 { |
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397 ngx_str_t *arg; |
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398 |
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399 arg = s->args.elts; |
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400 |
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401 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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402 "mail auth login username: \"%V\"", &arg[n]); |
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403 |
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404 s->login.data = ngx_pnalloc(c->pool, ngx_base64_decoded_length(arg[n].len)); |
| 3642 | 405 if (s->login.data == NULL) { |
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406 return NGX_ERROR; |
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407 } |
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408 |
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409 if (ngx_decode_base64(&s->login, &arg[n]) != NGX_OK) { |
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410 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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411 "client sent invalid base64 encoding in AUTH LOGIN command"); |
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412 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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413 } |
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414 |
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415 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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416 "mail auth login username: \"%V\"", &s->login); |
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417 |
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418 return NGX_OK; |
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419 } |
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420 |
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421 |
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422 ngx_int_t |
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423 ngx_mail_auth_login_password(ngx_mail_session_t *s, ngx_connection_t *c) |
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424 { |
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425 ngx_str_t *arg; |
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426 |
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427 arg = s->args.elts; |
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428 |
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429 #if (NGX_DEBUG_MAIL_PASSWD) |
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430 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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431 "mail auth login password: \"%V\"", &arg[0]); |
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432 #endif |
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433 |
| 2049 | 434 s->passwd.data = ngx_pnalloc(c->pool, |
| 435 ngx_base64_decoded_length(arg[0].len)); | |
| 3642 | 436 if (s->passwd.data == NULL) { |
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437 return NGX_ERROR; |
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438 } |
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439 |
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440 if (ngx_decode_base64(&s->passwd, &arg[0]) != NGX_OK) { |
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441 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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442 "client sent invalid base64 encoding in AUTH LOGIN command"); |
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443 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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444 } |
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445 |
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446 #if (NGX_DEBUG_MAIL_PASSWD) |
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447 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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448 "mail auth login password: \"%V\"", &s->passwd); |
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449 #endif |
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450 |
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451 return NGX_DONE; |
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452 } |
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453 |
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454 |
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455 ngx_int_t |
| 1479 | 456 ngx_mail_auth_cram_md5_salt(ngx_mail_session_t *s, ngx_connection_t *c, |
| 457 char *prefix, size_t len) | |
| 458 { | |
| 459 u_char *p; | |
| 460 ngx_str_t salt; | |
| 461 ngx_uint_t n; | |
| 462 | |
| 2049 | 463 p = ngx_pnalloc(c->pool, len + ngx_base64_encoded_length(s->salt.len) + 2); |
| 1479 | 464 if (p == NULL) { |
| 465 return NGX_ERROR; | |
| 466 } | |
| 467 | |
| 468 salt.data = ngx_cpymem(p, prefix, len); | |
| 469 s->salt.len -= 2; | |
| 470 | |
| 471 ngx_encode_base64(&salt, &s->salt); | |
| 472 | |
| 473 s->salt.len += 2; | |
| 474 n = len + salt.len; | |
| 475 p[n++] = CR; p[n++] = LF; | |
| 476 | |
| 477 s->out.len = n; | |
| 478 s->out.data = p; | |
| 479 | |
| 480 return NGX_OK; | |
| 481 } | |
| 482 | |
| 483 | |
| 484 ngx_int_t | |
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485 ngx_mail_auth_cram_md5(ngx_mail_session_t *s, ngx_connection_t *c) |
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486 { |
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487 u_char *p, *last; |
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488 ngx_str_t *arg; |
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489 |
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490 arg = s->args.elts; |
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491 |
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492 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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493 "mail auth cram-md5: \"%V\"", &arg[0]); |
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494 |
| 2049 | 495 s->login.data = ngx_pnalloc(c->pool, ngx_base64_decoded_length(arg[0].len)); |
| 3642 | 496 if (s->login.data == NULL) { |
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497 return NGX_ERROR; |
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498 } |
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499 |
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500 if (ngx_decode_base64(&s->login, &arg[0]) != NGX_OK) { |
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501 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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502 "client sent invalid base64 encoding in AUTH CRAM-MD5 command"); |
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503 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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504 } |
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505 |
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506 p = s->login.data; |
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507 last = p + s->login.len; |
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508 |
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509 while (p < last) { |
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510 if (*p++ == ' ') { |
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511 s->login.len = p - s->login.data - 1; |
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512 s->passwd.len = last - p; |
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513 s->passwd.data = p; |
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514 break; |
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515 } |
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516 } |
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517 |
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518 if (s->passwd.len != 32) { |
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519 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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520 "client sent invalid CRAM-MD5 hash in AUTH CRAM-MD5 command"); |
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521 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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522 } |
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523 |
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524 ngx_log_debug2(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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525 "mail auth cram-md5: \"%V\" \"%V\"", &s->login, &s->passwd); |
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526 |
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527 s->auth_method = NGX_MAIL_AUTH_CRAM_MD5; |
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528 |
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529 return NGX_DONE; |
| 539 | 530 } |
| 531 | |
| 532 | |
| 533 void | |
| 1136 | 534 ngx_mail_send(ngx_event_t *wev) |
| 539 | 535 { |
| 541 | 536 ngx_int_t n; |
| 537 ngx_connection_t *c; | |
| 1136 | 538 ngx_mail_session_t *s; |
| 539 ngx_mail_core_srv_conf_t *cscf; | |
| 539 | 540 |
| 541 c = wev->data; | |
| 542 s = c->data; | |
| 543 | |
| 544 if (wev->timedout) { | |
| 545 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out"); | |
| 577 | 546 c->timedout = 1; |
| 1136 | 547 ngx_mail_close_connection(c); |
| 539 | 548 return; |
| 549 } | |
| 550 | |
| 551 if (s->out.len == 0) { | |
|
2388
722b5aff05ae
use "!= NGX_OK" instead of "== NGX_ERROR"
Igor Sysoev <igor@sysoev.ru>
parents:
2224
diff
changeset
|
552 if (ngx_handle_write_event(c->write, 0) != NGX_OK) { |
| 1136 | 553 ngx_mail_close_connection(c); |
| 539 | 554 } |
| 555 | |
| 556 return; | |
| 557 } | |
| 558 | |
| 559 n = c->send(c, s->out.data, s->out.len); | |
| 560 | |
| 561 if (n > 0) { | |
| 562 s->out.len -= n; | |
| 563 | |
| 541 | 564 if (wev->timer_set) { |
| 565 ngx_del_timer(wev); | |
| 566 } | |
| 567 | |
| 539 | 568 if (s->quit) { |
| 1136 | 569 ngx_mail_close_connection(c); |
| 539 | 570 return; |
| 571 } | |
| 572 | |
| 573 if (s->blocked) { | |
| 574 c->read->handler(c->read); | |
| 575 } | |
| 576 | |
| 577 return; | |
| 578 } | |
| 579 | |
| 580 if (n == NGX_ERROR) { | |
| 1136 | 581 ngx_mail_close_connection(c); |
| 539 | 582 return; |
| 583 } | |
| 584 | |
| 585 /* n == NGX_AGAIN */ | |
| 586 | |
| 1136 | 587 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
| 541 | 588 |
| 589 ngx_add_timer(c->write, cscf->timeout); | |
| 590 | |
|
2388
722b5aff05ae
use "!= NGX_OK" instead of "== NGX_ERROR"
Igor Sysoev <igor@sysoev.ru>
parents:
2224
diff
changeset
|
591 if (ngx_handle_write_event(c->write, 0) != NGX_OK) { |
| 1136 | 592 ngx_mail_close_connection(c); |
| 539 | 593 return; |
| 594 } | |
|
413
de9d4726e28a
nginx-0.0.10-2004-08-31-23:05:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
595 } |
|
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
596 |
|
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
597 |
|
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
598 ngx_int_t |
| 1482 | 599 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
|
600 { |
|
1487
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
601 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
|
602 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
|
603 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
|
604 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
|
605 |
| 1482 | 606 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
|
607 |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
608 if (n == NGX_ERROR || n == 0) { |
| 1482 | 609 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
|
610 return NGX_ERROR; |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
611 } |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
612 |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
613 if (n > 0) { |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
614 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
|
615 } |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
616 |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
617 if (n == NGX_AGAIN) { |
|
2388
722b5aff05ae
use "!= NGX_OK" instead of "== NGX_ERROR"
Igor Sysoev <igor@sysoev.ru>
parents:
2224
diff
changeset
|
618 if (ngx_handle_read_event(c->read, 0) != NGX_OK) { |
| 1136 | 619 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
|
620 return NGX_ERROR; |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
621 } |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
622 |
|
5398
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4818
diff
changeset
|
623 if (s->buffer->pos == s->buffer->last) { |
|
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4818
diff
changeset
|
624 return NGX_AGAIN; |
|
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4818
diff
changeset
|
625 } |
|
420
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
626 } |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
627 |
|
1487
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
628 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
|
629 |
|
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
630 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
|
631 |
|
1108
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
632 if (rc == NGX_AGAIN) { |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
633 |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
634 if (s->buffer->last < s->buffer->end) { |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
635 return rc; |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
636 } |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
637 |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
638 l.len = s->buffer->last - s->buffer->start; |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
639 l.data = s->buffer->start; |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
640 |
| 1482 | 641 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
|
642 "client sent too long command \"%V\"", &l); |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
643 |
|
1111
b0fc4af1f196
close connection for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1108
diff
changeset
|
644 s->quit = 1; |
|
b0fc4af1f196
close connection for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1108
diff
changeset
|
645 |
| 1136 | 646 return NGX_MAIL_PARSE_INVALID_COMMAND; |
|
1108
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
647 } |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
648 |
| 1136 | 649 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
|
650 return rc; |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
651 } |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
652 |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
653 if (rc == NGX_ERROR) { |
| 1482 | 654 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
|
655 return NGX_ERROR; |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
656 } |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
657 |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
658 return NGX_OK; |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
659 } |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
660 |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
661 |
| 521 | 662 void |
| 1482 | 663 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
|
664 { |
|
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
665 s->args.nelts = 0; |
|
5398
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4818
diff
changeset
|
666 |
|
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4818
diff
changeset
|
667 if (s->buffer->pos == s->buffer->last) { |
|
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4818
diff
changeset
|
668 s->buffer->pos = s->buffer->start; |
|
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4818
diff
changeset
|
669 s->buffer->last = s->buffer->start; |
|
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4818
diff
changeset
|
670 } |
|
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4818
diff
changeset
|
671 |
|
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
672 s->state = 0; |
|
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
673 |
| 1482 | 674 if (c->read->timer_set) { |
| 675 ngx_del_timer(c->read); | |
|
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
676 } |
|
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->login_attempt++; |
|
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
679 |
|
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
680 ngx_mail_auth_http_init(s); |
|
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
681 } |
|
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
682 |
|
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
683 |
|
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
684 void |
| 1136 | 685 ngx_mail_session_internal_server_error(ngx_mail_session_t *s) |
| 525 | 686 { |
|
1487
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
687 ngx_mail_core_srv_conf_t *cscf; |
|
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
688 |
|
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
689 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
|
690 |
|
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
691 s->out = cscf->protocol->internal_server_error; |
| 539 | 692 s->quit = 1; |
| 525 | 693 |
| 1136 | 694 ngx_mail_send(s->connection->write); |
| 525 | 695 } |
| 696 | |
| 697 | |
| 698 void | |
| 1136 | 699 ngx_mail_close_connection(ngx_connection_t *c) |
|
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
700 { |
| 479 | 701 ngx_pool_t *pool; |
| 702 | |
| 1136 | 703 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
| 704 "close mail connection: %d", c->fd); | |
|
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
705 |
| 1136 | 706 #if (NGX_MAIL_SSL) |
| 539 | 707 |
| 708 if (c->ssl) { | |
| 709 if (ngx_ssl_shutdown(c) == NGX_AGAIN) { | |
| 1136 | 710 c->ssl->handler = ngx_mail_close_connection; |
| 539 | 711 return; |
| 712 } | |
| 713 } | |
| 714 | |
| 715 #endif | |
| 716 | |
|
1472
32450a2bbdf4
decrement active connection counter in mail proxy
Igor Sysoev <igor@sysoev.ru>
parents:
1323
diff
changeset
|
717 #if (NGX_STAT_STUB) |
|
2951
5acd98486a33
ignore ngx_atomic_fetch_add() result
Igor Sysoev <igor@sysoev.ru>
parents:
2855
diff
changeset
|
718 (void) ngx_atomic_fetch_add(ngx_stat_active, -1); |
|
1472
32450a2bbdf4
decrement active connection counter in mail proxy
Igor Sysoev <igor@sysoev.ru>
parents:
1323
diff
changeset
|
719 #endif |
|
32450a2bbdf4
decrement active connection counter in mail proxy
Igor Sysoev <igor@sysoev.ru>
parents:
1323
diff
changeset
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720 |
| 583 | 721 c->destroyed = 1; |
| 543 | 722 |
| 479 | 723 pool = c->pool; |
| 724 | |
|
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
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725 ngx_close_connection(c); |
| 479 | 726 |
| 501 | 727 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
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728 } |
| 539 | 729 |
| 730 | |
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1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
731 u_char * |
| 1136 | 732 ngx_mail_log_error(ngx_log_t *log, u_char *buf, size_t len) |
| 541 | 733 { |
| 567 | 734 u_char *p; |
| 1136 | 735 ngx_mail_session_t *s; |
| 736 ngx_mail_log_ctx_t *ctx; | |
| 541 | 737 |
| 738 if (log->action) { | |
| 739 p = ngx_snprintf(buf, len, " while %s", log->action); | |
| 740 len -= p - buf; | |
| 741 buf = p; | |
| 742 } | |
| 577 | 743 |
| 541 | 744 ctx = log->data; |
| 745 | |
| 746 p = ngx_snprintf(buf, len, ", client: %V", ctx->client); | |
| 747 len -= p - buf; | |
| 748 buf = p; | |
| 749 | |
| 750 s = ctx->session; | |
| 751 | |
| 752 if (s == NULL) { | |
| 753 return p; | |
| 754 } | |
| 755 | |
| 1491 | 756 p = ngx_snprintf(buf, len, "%s, server: %V", |
| 757 s->starttls ? " using starttls" : "", | |
| 758 s->addr_text); | |
| 541 | 759 len -= p - buf; |
| 760 buf = p; | |
| 761 | |
| 762 if (s->login.len == 0) { | |
| 763 return p; | |
| 764 } | |
| 765 | |
| 766 p = ngx_snprintf(buf, len, ", login: \"%V\"", &s->login); | |
| 767 len -= p - buf; | |
| 768 buf = p; | |
| 769 | |
| 770 if (s->proxy == NULL) { | |
| 771 return p; | |
| 772 } | |
| 773 | |
| 884 | 774 p = ngx_snprintf(buf, len, ", upstream: %V", s->proxy->upstream.name); |
| 541 | 775 |
| 776 return p; | |
| 777 } |