Mercurial > hg > nginx-quic
annotate src/mail/ngx_mail_handler.c @ 8292:e24e5650d7b4 quic
QUIC: distinguish reserved transport parameters in logging.
18.1. Reserved Transport Parameters
Transport parameters with an identifier of the form "31 * N + 27" for
integer values of N are reserved to exercise the requirement that
unknown transport parameters be ignored. These transport parameters
have no semantics, and can carry arbitrary values.
author | Vladimir Homutov <vl@nginx.com> |
---|---|
date | Wed, 10 Feb 2021 14:10:14 +0300 |
parents | 7f955d3b9a0d |
children | da0a85e91587 |
rev | line source |
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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. |
441
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5 */ |
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6 |
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7 |
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8 #include <ngx_config.h> |
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9 #include <ngx_core.h> |
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10 #include <ngx_event.h> |
1136 | 11 #include <ngx_mail.h> |
417
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12 |
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13 |
1136 | 14 static void ngx_mail_init_session(ngx_connection_t *c); |
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); | |
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19 static ngx_int_t ngx_mail_verify_cert(ngx_mail_session_t *s, |
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20 ngx_connection_t *c); |
539 | 21 #endif |
22 | |
413
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23 |
521 | 24 void |
1136 | 25 ngx_mail_init_connection(ngx_connection_t *c) |
413
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26 { |
6130 | 27 size_t len; |
28 ngx_uint_t i; | |
29 ngx_mail_port_t *port; | |
30 struct sockaddr *sa; | |
31 struct sockaddr_in *sin; | |
32 ngx_mail_log_ctx_t *ctx; | |
33 ngx_mail_in_addr_t *addr; | |
34 ngx_mail_session_t *s; | |
35 ngx_mail_addr_conf_t *addr_conf; | |
36 ngx_mail_core_srv_conf_t *cscf; | |
37 u_char text[NGX_SOCKADDR_STRLEN]; | |
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38 #if (NGX_HAVE_INET6) |
6130 | 39 struct sockaddr_in6 *sin6; |
40 ngx_mail_in6_addr_t *addr6; | |
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41 #endif |
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42 |
641 | 43 |
44 /* find the server configuration for the address:port */ | |
45 | |
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46 port = c->listening->servers; |
641 | 47 |
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48 if (port->naddrs > 1) { |
641 | 49 |
50 /* | |
51 * There are several addresses on this port and one of them | |
52 * is the "*:port" wildcard so getsockname() is needed to determine | |
53 * the server address. | |
54 * | |
55 * AcceptEx() already gave this address. | |
56 */ | |
57 | |
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58 if (ngx_connection_local_sockaddr(c, NULL, 0) != NGX_OK) { |
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59 ngx_mail_close_connection(c); |
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60 return; |
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61 } |
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62 |
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63 sa = c->local_sockaddr; |
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64 |
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65 switch (sa->sa_family) { |
541 | 66 |
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67 #if (NGX_HAVE_INET6) |
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68 case AF_INET6: |
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69 sin6 = (struct sockaddr_in6 *) sa; |
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70 |
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71 addr6 = port->addrs; |
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72 |
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73 /* the last address is "*" */ |
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74 |
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75 for (i = 0; i < port->naddrs - 1; i++) { |
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76 if (ngx_memcmp(&addr6[i].addr6, &sin6->sin6_addr, 16) == 0) { |
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77 break; |
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78 } |
641 | 79 } |
80 | |
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81 addr_conf = &addr6[i].conf; |
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82 |
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83 break; |
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84 #endif |
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85 |
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86 default: /* AF_INET */ |
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87 sin = (struct sockaddr_in *) sa; |
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88 |
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89 addr = port->addrs; |
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90 |
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91 /* the last address is "*" */ |
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92 |
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93 for (i = 0; i < port->naddrs - 1; i++) { |
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94 if (addr[i].addr == sin->sin_addr.s_addr) { |
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95 break; |
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96 } |
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97 } |
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98 |
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99 addr_conf = &addr[i].conf; |
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100 |
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101 break; |
641 | 102 } |
103 | |
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104 } else { |
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105 switch (c->local_sockaddr->sa_family) { |
641 | 106 |
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107 #if (NGX_HAVE_INET6) |
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108 case AF_INET6: |
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109 addr6 = port->addrs; |
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110 addr_conf = &addr6[0].conf; |
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111 break; |
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112 #endif |
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113 |
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114 default: /* AF_INET */ |
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115 addr = port->addrs; |
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116 addr_conf = &addr[0].conf; |
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117 break; |
641 | 118 } |
119 } | |
120 | |
1136 | 121 s = ngx_pcalloc(c->pool, sizeof(ngx_mail_session_t)); |
641 | 122 if (s == NULL) { |
1136 | 123 ngx_mail_close_connection(c); |
541 | 124 return; |
577 | 125 } |
541 | 126 |
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127 s->signature = NGX_MAIL_MODULE; |
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128 |
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129 s->main_conf = addr_conf->ctx->main_conf; |
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130 s->srv_conf = addr_conf->ctx->srv_conf; |
641 | 131 |
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132 s->addr_text = &addr_conf->addr_text; |
641 | 133 |
134 c->data = s; | |
135 s->connection = c; | |
136 | |
6130 | 137 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
138 | |
139 ngx_set_connection_log(c, cscf->error_log); | |
140 | |
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141 len = ngx_sock_ntop(c->sockaddr, c->socklen, text, NGX_SOCKADDR_STRLEN, 1); |
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142 |
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143 ngx_log_error(NGX_LOG_INFO, c->log, 0, "*%uA client %*s connected to %V", |
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144 c->number, len, text, s->addr_text); |
641 | 145 |
1136 | 146 ctx = ngx_palloc(c->pool, sizeof(ngx_mail_log_ctx_t)); |
641 | 147 if (ctx == NULL) { |
1136 | 148 ngx_mail_close_connection(c); |
641 | 149 return; |
150 } | |
151 | |
152 ctx->client = &c->addr_text; | |
153 ctx->session = s; | |
541 | 154 |
155 c->log->connection = c->number; | |
1136 | 156 c->log->handler = ngx_mail_log_error; |
641 | 157 c->log->data = ctx; |
541 | 158 c->log->action = "sending client greeting line"; |
159 | |
160 c->log_error = NGX_ERROR_INFO; | |
161 | |
1136 | 162 #if (NGX_MAIL_SSL) |
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163 { |
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164 ngx_mail_ssl_conf_t *sslcf; |
543 | 165 |
1136 | 166 sslcf = ngx_mail_get_module_srv_conf(s, ngx_mail_ssl_module); |
543 | 167 |
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168 if (sslcf->enable || addr_conf->ssl) { |
2224 | 169 c->log->action = "SSL handshaking"; |
170 | |
1136 | 171 ngx_mail_ssl_init_connection(&sslcf->ssl, c); |
547 | 172 return; |
543 | 173 } |
2224 | 174 |
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175 } |
543 | 176 #endif |
177 | |
1136 | 178 ngx_mail_init_session(c); |
541 | 179 } |
180 | |
181 | |
1136 | 182 #if (NGX_MAIL_SSL) |
547 | 183 |
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184 void |
1136 | 185 ngx_mail_starttls_handler(ngx_event_t *rev) |
583 | 186 { |
187 ngx_connection_t *c; | |
1136 | 188 ngx_mail_session_t *s; |
189 ngx_mail_ssl_conf_t *sslcf; | |
583 | 190 |
191 c = rev->data; | |
192 s = c->data; | |
641 | 193 s->starttls = 1; |
583 | 194 |
195 c->log->action = "in starttls state"; | |
196 | |
1136 | 197 sslcf = ngx_mail_get_module_srv_conf(s, ngx_mail_ssl_module); |
583 | 198 |
1136 | 199 ngx_mail_ssl_init_connection(&sslcf->ssl, c); |
583 | 200 } |
201 | |
202 | |
203 static void | |
1136 | 204 ngx_mail_ssl_init_connection(ngx_ssl_t *ssl, ngx_connection_t *c) |
583 | 205 { |
1136 | 206 ngx_mail_session_t *s; |
207 ngx_mail_core_srv_conf_t *cscf; | |
583 | 208 |
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209 if (ngx_ssl_create_connection(ssl, c, 0) != NGX_OK) { |
1136 | 210 ngx_mail_close_connection(c); |
583 | 211 return; |
212 } | |
213 | |
214 if (ngx_ssl_handshake(c) == NGX_AGAIN) { | |
215 | |
641 | 216 s = c->data; |
217 | |
1136 | 218 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
583 | 219 |
220 ngx_add_timer(c->read, cscf->timeout); | |
221 | |
1136 | 222 c->ssl->handler = ngx_mail_ssl_handshake_handler; |
583 | 223 |
224 return; | |
225 } | |
226 | |
1136 | 227 ngx_mail_ssl_handshake_handler(c); |
583 | 228 } |
229 | |
230 | |
231 static void | |
1136 | 232 ngx_mail_ssl_handshake_handler(ngx_connection_t *c) |
577 | 233 { |
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234 ngx_mail_session_t *s; |
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235 ngx_mail_core_srv_conf_t *cscf; |
641 | 236 |
547 | 237 if (c->ssl->handshaked) { |
583 | 238 |
641 | 239 s = c->data; |
240 | |
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241 if (ngx_mail_verify_cert(s, c) != NGX_OK) { |
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242 return; |
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243 } |
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244 |
641 | 245 if (s->starttls) { |
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246 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
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247 |
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248 c->read->handler = cscf->protocol->init_protocol; |
1136 | 249 c->write->handler = ngx_mail_send; |
583 | 250 |
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251 cscf->protocol->init_protocol(c->read); |
583 | 252 |
253 return; | |
254 } | |
255 | |
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256 c->read->ready = 0; |
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257 |
1136 | 258 ngx_mail_init_session(c); |
547 | 259 return; |
260 } | |
261 | |
1136 | 262 ngx_mail_close_connection(c); |
547 | 263 } |
264 | |
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265 |
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266 static ngx_int_t |
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267 ngx_mail_verify_cert(ngx_mail_session_t *s, ngx_connection_t *c) |
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268 { |
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269 long rc; |
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270 X509 *cert; |
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271 ngx_mail_ssl_conf_t *sslcf; |
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272 ngx_mail_core_srv_conf_t *cscf; |
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273 |
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274 sslcf = ngx_mail_get_module_srv_conf(s, ngx_mail_ssl_module); |
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275 |
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276 if (!sslcf->verify) { |
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277 return NGX_OK; |
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278 } |
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279 |
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280 rc = SSL_get_verify_result(c->ssl->connection); |
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281 |
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282 if (rc != X509_V_OK |
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283 && (sslcf->verify != 3 || !ngx_ssl_verify_error_optional(rc))) |
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284 { |
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285 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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286 "client SSL certificate verify error: (%l:%s)", |
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287 rc, X509_verify_cert_error_string(rc)); |
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288 |
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289 ngx_ssl_remove_cached_session(c->ssl->session_ctx, |
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290 (SSL_get0_session(c->ssl->connection))); |
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291 |
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292 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
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293 |
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294 s->out = cscf->protocol->cert_error; |
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295 s->quit = 1; |
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296 |
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297 c->write->handler = ngx_mail_send; |
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298 |
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299 ngx_mail_send(s->connection->write); |
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300 return NGX_ERROR; |
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301 } |
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302 |
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303 if (sslcf->verify == 1) { |
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304 cert = SSL_get_peer_certificate(c->ssl->connection); |
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305 |
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306 if (cert == NULL) { |
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307 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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308 "client sent no required SSL certificate"); |
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309 |
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310 ngx_ssl_remove_cached_session(c->ssl->session_ctx, |
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311 (SSL_get0_session(c->ssl->connection))); |
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312 |
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313 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
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314 |
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315 s->out = cscf->protocol->no_cert; |
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316 s->quit = 1; |
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317 |
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318 c->write->handler = ngx_mail_send; |
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319 |
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320 ngx_mail_send(s->connection->write); |
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321 return NGX_ERROR; |
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322 } |
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323 |
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324 X509_free(cert); |
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325 } |
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326 |
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327 return NGX_OK; |
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328 } |
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329 |
547 | 330 #endif |
331 | |
332 | |
333 static void | |
1136 | 334 ngx_mail_init_session(ngx_connection_t *c) |
541 | 335 { |
1136 | 336 ngx_mail_session_t *s; |
337 ngx_mail_core_srv_conf_t *cscf; | |
417
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338 |
641 | 339 s = c->data; |
413
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340 |
1136 | 341 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
539 | 342 |
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343 s->protocol = cscf->protocol->type; |
539 | 344 |
1136 | 345 s->ctx = ngx_pcalloc(c->pool, sizeof(void *) * ngx_mail_max_module); |
539 | 346 if (s->ctx == NULL) { |
1136 | 347 ngx_mail_session_internal_server_error(s); |
539 | 348 return; |
349 } | |
350 | |
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351 c->write->handler = ngx_mail_send; |
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352 |
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353 cscf->protocol->init_session(s, c); |
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354 } |
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355 |
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356 |
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357 ngx_int_t |
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358 ngx_mail_salt(ngx_mail_session_t *s, ngx_connection_t *c, |
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359 ngx_mail_core_srv_conf_t *cscf) |
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360 { |
2049 | 361 s->salt.data = ngx_pnalloc(c->pool, |
362 sizeof(" <18446744073709551616.@>" CRLF) - 1 | |
363 + NGX_TIME_T_LEN | |
364 + cscf->server_name.len); | |
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365 if (s->salt.data == NULL) { |
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366 return NGX_ERROR; |
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367 } |
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368 |
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369 s->salt.len = ngx_sprintf(s->salt.data, "<%ul.%T@%V>" CRLF, |
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370 ngx_random(), ngx_time(), &cscf->server_name) |
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371 - s->salt.data; |
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372 |
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373 return NGX_OK; |
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374 } |
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375 |
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376 |
1479 | 377 #if (NGX_MAIL_SSL) |
378 | |
379 ngx_int_t | |
380 ngx_mail_starttls_only(ngx_mail_session_t *s, ngx_connection_t *c) | |
381 { | |
382 ngx_mail_ssl_conf_t *sslcf; | |
383 | |
384 if (c->ssl) { | |
385 return 0; | |
386 } | |
387 | |
388 sslcf = ngx_mail_get_module_srv_conf(s, ngx_mail_ssl_module); | |
389 | |
390 if (sslcf->starttls == NGX_MAIL_STARTTLS_ONLY) { | |
391 return 1; | |
392 } | |
393 | |
394 return 0; | |
395 } | |
396 | |
397 #endif | |
398 | |
399 | |
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|
400 ngx_int_t |
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|
401 ngx_mail_auth_plain(ngx_mail_session_t *s, ngx_connection_t *c, ngx_uint_t n) |
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|
402 { |
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|
403 u_char *p, *last; |
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diff
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|
404 ngx_str_t *arg, plain; |
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|
405 |
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|
406 arg = s->args.elts; |
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|
407 |
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|
408 #if (NGX_DEBUG_MAIL_PASSWD) |
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|
409 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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diff
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|
410 "mail auth plain: \"%V\"", &arg[n]); |
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|
411 #endif |
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diff
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|
412 |
2049 | 413 plain.data = ngx_pnalloc(c->pool, ngx_base64_decoded_length(arg[n].len)); |
3642 | 414 if (plain.data == NULL) { |
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|
415 return NGX_ERROR; |
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|
416 } |
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|
417 |
1494
6535fb51976a
fix "AUTH PLAIN [initial-response]" bug introduced in r1477
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1491
diff
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|
418 if (ngx_decode_base64(&plain, &arg[n]) != NGX_OK) { |
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419 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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|
420 "client sent invalid base64 encoding in AUTH PLAIN command"); |
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|
421 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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|
422 } |
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|
423 |
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|
424 p = plain.data; |
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|
425 last = p + plain.len; |
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|
426 |
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|
427 while (p < last && *p++) { /* void */ } |
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|
428 |
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|
429 if (p == last) { |
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changeset
|
430 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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diff
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|
431 "client sent invalid login in AUTH PLAIN command"); |
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|
432 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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|
433 } |
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|
434 |
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|
435 s->login.data = p; |
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changeset
|
436 |
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diff
changeset
|
437 while (p < last && *p) { p++; } |
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diff
changeset
|
438 |
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changeset
|
439 if (p == last) { |
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changeset
|
440 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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changeset
|
441 "client sent invalid password in AUTH PLAIN command"); |
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|
442 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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|
443 } |
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|
444 |
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|
445 s->login.len = p++ - s->login.data; |
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|
446 |
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|
447 s->passwd.len = last - p; |
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|
448 s->passwd.data = p; |
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|
449 |
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|
450 #if (NGX_DEBUG_MAIL_PASSWD) |
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|
451 ngx_log_debug2(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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|
452 "mail auth plain: \"%V\" \"%V\"", &s->login, &s->passwd); |
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|
453 #endif |
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|
454 |
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|
455 return NGX_DONE; |
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|
456 } |
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|
457 |
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|
458 |
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|
459 ngx_int_t |
2495
a59b26eee816
compatibility with Microsoft's
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diff
changeset
|
460 ngx_mail_auth_login_username(ngx_mail_session_t *s, ngx_connection_t *c, |
a59b26eee816
compatibility with Microsoft's
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diff
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|
461 ngx_uint_t n) |
1476
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|
462 { |
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|
463 ngx_str_t *arg; |
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|
464 |
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|
465 arg = s->args.elts; |
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|
466 |
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|
467 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
2495
a59b26eee816
compatibility with Microsoft's
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diff
changeset
|
468 "mail auth login username: \"%V\"", &arg[n]); |
1476
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|
469 |
2495
a59b26eee816
compatibility with Microsoft's
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diff
changeset
|
470 s->login.data = ngx_pnalloc(c->pool, ngx_base64_decoded_length(arg[n].len)); |
3642 | 471 if (s->login.data == NULL) { |
1476
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|
472 return NGX_ERROR; |
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|
473 } |
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|
474 |
2495
a59b26eee816
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diff
changeset
|
475 if (ngx_decode_base64(&s->login, &arg[n]) != NGX_OK) { |
1476
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|
476 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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changeset
|
477 "client sent invalid base64 encoding in AUTH LOGIN command"); |
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|
478 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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|
479 } |
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|
480 |
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|
481 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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|
482 "mail auth login username: \"%V\"", &s->login); |
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changeset
|
483 |
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|
484 return NGX_OK; |
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|
485 } |
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changeset
|
486 |
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changeset
|
487 |
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|
488 ngx_int_t |
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|
489 ngx_mail_auth_login_password(ngx_mail_session_t *s, ngx_connection_t *c) |
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|
490 { |
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|
491 ngx_str_t *arg; |
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|
492 |
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|
493 arg = s->args.elts; |
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|
494 |
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|
495 #if (NGX_DEBUG_MAIL_PASSWD) |
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|
496 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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|
497 "mail auth login password: \"%V\"", &arg[0]); |
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|
498 #endif |
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|
499 |
2049 | 500 s->passwd.data = ngx_pnalloc(c->pool, |
501 ngx_base64_decoded_length(arg[0].len)); | |
3642 | 502 if (s->passwd.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->passwd, &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 LOGIN 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 #if (NGX_DEBUG_MAIL_PASSWD) |
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|
513 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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|
514 "mail auth login password: \"%V\"", &s->passwd); |
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|
515 #endif |
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|
516 |
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|
517 return NGX_DONE; |
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|
518 } |
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|
519 |
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changeset
|
520 |
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521 ngx_int_t |
1479 | 522 ngx_mail_auth_cram_md5_salt(ngx_mail_session_t *s, ngx_connection_t *c, |
523 char *prefix, size_t len) | |
524 { | |
525 u_char *p; | |
526 ngx_str_t salt; | |
527 ngx_uint_t n; | |
528 | |
2049 | 529 p = ngx_pnalloc(c->pool, len + ngx_base64_encoded_length(s->salt.len) + 2); |
1479 | 530 if (p == NULL) { |
531 return NGX_ERROR; | |
532 } | |
533 | |
534 salt.data = ngx_cpymem(p, prefix, len); | |
535 s->salt.len -= 2; | |
536 | |
537 ngx_encode_base64(&salt, &s->salt); | |
538 | |
539 s->salt.len += 2; | |
540 n = len + salt.len; | |
541 p[n++] = CR; p[n++] = LF; | |
542 | |
543 s->out.len = n; | |
544 s->out.data = p; | |
545 | |
546 return NGX_OK; | |
547 } | |
548 | |
549 | |
550 ngx_int_t | |
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551 ngx_mail_auth_cram_md5(ngx_mail_session_t *s, ngx_connection_t *c) |
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552 { |
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553 u_char *p, *last; |
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554 ngx_str_t *arg; |
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555 |
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556 arg = s->args.elts; |
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557 |
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558 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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559 "mail auth cram-md5: \"%V\"", &arg[0]); |
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560 |
2049 | 561 s->login.data = ngx_pnalloc(c->pool, ngx_base64_decoded_length(arg[0].len)); |
3642 | 562 if (s->login.data == NULL) { |
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563 return NGX_ERROR; |
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564 } |
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565 |
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566 if (ngx_decode_base64(&s->login, &arg[0]) != NGX_OK) { |
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567 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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|
568 "client sent invalid base64 encoding in AUTH CRAM-MD5 command"); |
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569 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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570 } |
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571 |
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572 p = s->login.data; |
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573 last = p + s->login.len; |
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574 |
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575 while (p < last) { |
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576 if (*p++ == ' ') { |
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577 s->login.len = p - s->login.data - 1; |
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578 s->passwd.len = last - p; |
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|
579 s->passwd.data = p; |
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580 break; |
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|
581 } |
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|
582 } |
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583 |
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584 if (s->passwd.len != 32) { |
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585 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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|
586 "client sent invalid CRAM-MD5 hash in AUTH CRAM-MD5 command"); |
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587 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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|
588 } |
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|
589 |
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590 ngx_log_debug2(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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591 "mail auth cram-md5: \"%V\" \"%V\"", &s->login, &s->passwd); |
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592 |
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593 s->auth_method = NGX_MAIL_AUTH_CRAM_MD5; |
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|
594 |
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|
595 return NGX_DONE; |
539 | 596 } |
597 | |
598 | |
6774
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Rob N ★ <robn@fastmail.com>
parents:
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|
599 ngx_int_t |
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|
600 ngx_mail_auth_external(ngx_mail_session_t *s, ngx_connection_t *c, |
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|
601 ngx_uint_t n) |
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Mail: support SASL EXTERNAL (RFC 4422).
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|
602 { |
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parents:
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diff
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|
603 ngx_str_t *arg, external; |
bcb107bb89cd
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diff
changeset
|
604 |
bcb107bb89cd
Mail: support SASL EXTERNAL (RFC 4422).
Rob N ★ <robn@fastmail.com>
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diff
changeset
|
605 arg = s->args.elts; |
bcb107bb89cd
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diff
changeset
|
606 |
bcb107bb89cd
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diff
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|
607 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
bcb107bb89cd
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|
608 "mail auth external: \"%V\"", &arg[n]); |
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|
609 |
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|
610 external.data = ngx_pnalloc(c->pool, ngx_base64_decoded_length(arg[n].len)); |
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6130
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|
611 if (external.data == NULL) { |
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|
612 return NGX_ERROR; |
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|
613 } |
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|
614 |
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|
615 if (ngx_decode_base64(&external, &arg[n]) != NGX_OK) { |
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|
616 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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|
617 "client sent invalid base64 encoding in AUTH EXTERNAL command"); |
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|
618 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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|
619 } |
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|
620 |
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|
621 s->login.len = external.len; |
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|
622 s->login.data = external.data; |
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|
623 |
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|
624 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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|
625 "mail auth external: \"%V\"", &s->login); |
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|
626 |
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6130
diff
changeset
|
627 s->auth_method = NGX_MAIL_AUTH_EXTERNAL; |
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diff
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|
628 |
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diff
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|
629 return NGX_DONE; |
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diff
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|
630 } |
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|
631 |
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|
632 |
539 | 633 void |
1136 | 634 ngx_mail_send(ngx_event_t *wev) |
539 | 635 { |
541 | 636 ngx_int_t n; |
637 ngx_connection_t *c; | |
1136 | 638 ngx_mail_session_t *s; |
639 ngx_mail_core_srv_conf_t *cscf; | |
539 | 640 |
641 c = wev->data; | |
642 s = c->data; | |
643 | |
644 if (wev->timedout) { | |
645 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out"); | |
577 | 646 c->timedout = 1; |
1136 | 647 ngx_mail_close_connection(c); |
539 | 648 return; |
649 } | |
650 | |
651 if (s->out.len == 0) { | |
2388
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|
652 if (ngx_handle_write_event(c->write, 0) != NGX_OK) { |
1136 | 653 ngx_mail_close_connection(c); |
539 | 654 } |
655 | |
656 return; | |
657 } | |
658 | |
659 n = c->send(c, s->out.data, s->out.len); | |
660 | |
661 if (n > 0) { | |
5632
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parents:
5600
diff
changeset
|
662 s->out.data += n; |
539 | 663 s->out.len -= n; |
664 | |
5632
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parents:
5600
diff
changeset
|
665 if (s->out.len != 0) { |
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parents:
5600
diff
changeset
|
666 goto again; |
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Maxim Dounin <mdounin@mdounin.ru>
parents:
5600
diff
changeset
|
667 } |
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parents:
5600
diff
changeset
|
668 |
541 | 669 if (wev->timer_set) { |
670 ngx_del_timer(wev); | |
671 } | |
672 | |
539 | 673 if (s->quit) { |
1136 | 674 ngx_mail_close_connection(c); |
539 | 675 return; |
676 } | |
677 | |
678 if (s->blocked) { | |
679 c->read->handler(c->read); | |
680 } | |
681 | |
682 return; | |
683 } | |
684 | |
685 if (n == NGX_ERROR) { | |
1136 | 686 ngx_mail_close_connection(c); |
539 | 687 return; |
688 } | |
689 | |
690 /* n == NGX_AGAIN */ | |
691 | |
5632
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parents:
5600
diff
changeset
|
692 again: |
b42e7c790b81
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Maxim Dounin <mdounin@mdounin.ru>
parents:
5600
diff
changeset
|
693 |
1136 | 694 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
541 | 695 |
696 ngx_add_timer(c->write, cscf->timeout); | |
697 | |
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|
698 if (ngx_handle_write_event(c->write, 0) != NGX_OK) { |
1136 | 699 ngx_mail_close_connection(c); |
539 | 700 return; |
701 } | |
413
de9d4726e28a
nginx-0.0.10-2004-08-31-23:05:39 import
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diff
changeset
|
702 } |
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
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parents:
415
diff
changeset
|
703 |
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
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diff
changeset
|
704 |
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|
705 ngx_int_t |
1482 | 706 ngx_mail_read_command(ngx_mail_session_t *s, ngx_connection_t *c) |
420
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nginx-0.0.10-2004-09-09-22:55:39 import
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parents:
419
diff
changeset
|
707 { |
1487
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
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1482
diff
changeset
|
708 ssize_t n; |
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
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diff
changeset
|
709 ngx_int_t rc; |
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diff
changeset
|
710 ngx_str_t l; |
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diff
changeset
|
711 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
|
712 |
1482 | 713 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
|
714 |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
715 if (n == NGX_ERROR || n == 0) { |
1482 | 716 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
|
717 return NGX_ERROR; |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
718 } |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
719 |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
720 if (n > 0) { |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
721 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
|
722 } |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
723 |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
724 if (n == NGX_AGAIN) { |
2388
722b5aff05ae
use "!= NGX_OK" instead of "== NGX_ERROR"
Igor Sysoev <igor@sysoev.ru>
parents:
2224
diff
changeset
|
725 if (ngx_handle_read_event(c->read, 0) != NGX_OK) { |
1136 | 726 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
|
727 return NGX_ERROR; |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
728 } |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
729 |
5398
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4818
diff
changeset
|
730 if (s->buffer->pos == s->buffer->last) { |
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4818
diff
changeset
|
731 return NGX_AGAIN; |
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4818
diff
changeset
|
732 } |
420
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
733 } |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
734 |
1487
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
735 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
|
736 |
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
737 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
|
738 |
1108
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
739 if (rc == NGX_AGAIN) { |
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
740 |
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
741 if (s->buffer->last < s->buffer->end) { |
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
742 return rc; |
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
743 } |
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
744 |
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
745 l.len = s->buffer->last - s->buffer->start; |
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
746 l.data = s->buffer->start; |
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
747 |
1482 | 748 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
|
749 "client sent too long command \"%V\"", &l); |
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
750 |
1111
b0fc4af1f196
close connection for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1108
diff
changeset
|
751 s->quit = 1; |
b0fc4af1f196
close connection for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1108
diff
changeset
|
752 |
1136 | 753 return NGX_MAIL_PARSE_INVALID_COMMAND; |
1108
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
754 } |
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
755 |
1136 | 756 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
|
757 return rc; |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
758 } |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
759 |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
760 if (rc == NGX_ERROR) { |
1482 | 761 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
|
762 return NGX_ERROR; |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
763 } |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
764 |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
765 return NGX_OK; |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
766 } |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
767 |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
768 |
521 | 769 void |
1482 | 770 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
|
771 { |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
772 s->args.nelts = 0; |
5398
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4818
diff
changeset
|
773 |
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4818
diff
changeset
|
774 if (s->buffer->pos == s->buffer->last) { |
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4818
diff
changeset
|
775 s->buffer->pos = s->buffer->start; |
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4818
diff
changeset
|
776 s->buffer->last = s->buffer->start; |
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4818
diff
changeset
|
777 } |
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4818
diff
changeset
|
778 |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
779 s->state = 0; |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
780 |
1482 | 781 if (c->read->timer_set) { |
782 ngx_del_timer(c->read); | |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
783 } |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
784 |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
785 s->login_attempt++; |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
786 |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
787 ngx_mail_auth_http_init(s); |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
788 } |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
789 |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
790 |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
791 void |
1136 | 792 ngx_mail_session_internal_server_error(ngx_mail_session_t *s) |
525 | 793 { |
1487
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
794 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
|
795 |
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
796 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
|
797 |
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
798 s->out = cscf->protocol->internal_server_error; |
539 | 799 s->quit = 1; |
525 | 800 |
1136 | 801 ngx_mail_send(s->connection->write); |
525 | 802 } |
803 | |
804 | |
805 void | |
1136 | 806 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
|
807 { |
479 | 808 ngx_pool_t *pool; |
809 | |
1136 | 810 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
811 "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
|
812 |
1136 | 813 #if (NGX_MAIL_SSL) |
539 | 814 |
815 if (c->ssl) { | |
816 if (ngx_ssl_shutdown(c) == NGX_AGAIN) { | |
1136 | 817 c->ssl->handler = ngx_mail_close_connection; |
539 | 818 return; |
819 } | |
820 } | |
821 | |
822 #endif | |
823 | |
1472
32450a2bbdf4
decrement active connection counter in mail proxy
Igor Sysoev <igor@sysoev.ru>
parents:
1323
diff
changeset
|
824 #if (NGX_STAT_STUB) |
2951
5acd98486a33
ignore ngx_atomic_fetch_add() result
Igor Sysoev <igor@sysoev.ru>
parents:
2855
diff
changeset
|
825 (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
|
826 #endif |
32450a2bbdf4
decrement active connection counter in mail proxy
Igor Sysoev <igor@sysoev.ru>
parents:
1323
diff
changeset
|
827 |
583 | 828 c->destroyed = 1; |
543 | 829 |
479 | 830 pool = c->pool; |
831 | |
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
832 ngx_close_connection(c); |
479 | 833 |
501 | 834 ngx_destroy_pool(pool); |
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
835 } |
539 | 836 |
837 | |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
838 u_char * |
1136 | 839 ngx_mail_log_error(ngx_log_t *log, u_char *buf, size_t len) |
541 | 840 { |
567 | 841 u_char *p; |
1136 | 842 ngx_mail_session_t *s; |
843 ngx_mail_log_ctx_t *ctx; | |
541 | 844 |
845 if (log->action) { | |
846 p = ngx_snprintf(buf, len, " while %s", log->action); | |
847 len -= p - buf; | |
848 buf = p; | |
849 } | |
577 | 850 |
541 | 851 ctx = log->data; |
852 | |
853 p = ngx_snprintf(buf, len, ", client: %V", ctx->client); | |
854 len -= p - buf; | |
855 buf = p; | |
856 | |
857 s = ctx->session; | |
858 | |
859 if (s == NULL) { | |
860 return p; | |
861 } | |
862 | |
1491 | 863 p = ngx_snprintf(buf, len, "%s, server: %V", |
864 s->starttls ? " using starttls" : "", | |
865 s->addr_text); | |
541 | 866 len -= p - buf; |
867 buf = p; | |
868 | |
869 if (s->login.len == 0) { | |
870 return p; | |
871 } | |
872 | |
873 p = ngx_snprintf(buf, len, ", login: \"%V\"", &s->login); | |
874 len -= p - buf; | |
875 buf = p; | |
876 | |
877 if (s->proxy == NULL) { | |
878 return p; | |
879 } | |
880 | |
884 | 881 p = ngx_snprintf(buf, len, ", upstream: %V", s->proxy->upstream.name); |
541 | 882 |
883 return p; | |
884 } |