Mercurial > hg > nginx-quic
annotate src/mail/ngx_mail.h @ 5659:3fb6615bb87f
Upstream: plugged potential memory leak on reload.
The SSL_CTX_set_cipher_list() may fail if there are no valid ciphers
specified in proxy_ssl_ciphers / uwsgi_ssl_ciphers, resulting in
SSL context leak.
In theory, ngx_pool_cleanup_add() may fail too, but this case is
intentionally left out for now as it's almost impossible and proper fix
will require changes to http ssl and mail ssl code as well.
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Fri, 18 Apr 2014 20:13:24 +0400 |
parents | 04e43d03e153 |
children | ec01b1d1fff1 |
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. |
441
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5 */ |
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6 |
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7 |
1136 | 8 #ifndef _NGX_MAIL_H_INCLUDED_ |
9 #define _NGX_MAIL_H_INCLUDED_ | |
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10 |
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11 |
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12 #include <ngx_config.h> |
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13 #include <ngx_core.h> |
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14 #include <ngx_event.h> |
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15 #include <ngx_event_connect.h> |
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16 |
1136 | 17 #if (NGX_MAIL_SSL) |
18 #include <ngx_mail_ssl_module.h> | |
539 | 19 #endif |
20 | |
21 | |
417
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22 |
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23 typedef struct { |
583 | 24 void **main_conf; |
25 void **srv_conf; | |
1136 | 26 } ngx_mail_conf_ctx_t; |
521 | 27 |
28 | |
29 typedef struct { | |
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30 u_char sockaddr[NGX_SOCKADDRLEN]; |
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31 socklen_t socklen; |
641 | 32 |
33 /* server ctx */ | |
1136 | 34 ngx_mail_conf_ctx_t *ctx; |
641 | 35 |
36 unsigned bind:1; | |
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37 unsigned wildcard:1; |
2224 | 38 #if (NGX_MAIL_SSL) |
39 unsigned ssl:1; | |
40 #endif | |
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41 #if (NGX_HAVE_INET6 && defined IPV6_V6ONLY) |
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42 unsigned ipv6only:1; |
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43 #endif |
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44 unsigned so_keepalive:2; |
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45 #if (NGX_HAVE_KEEPALIVE_TUNABLE) |
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46 int tcp_keepidle; |
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47 int tcp_keepintvl; |
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48 int tcp_keepcnt; |
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49 #endif |
1136 | 50 } ngx_mail_listen_t; |
641 | 51 |
52 | |
53 typedef struct { | |
1136 | 54 ngx_mail_conf_ctx_t *ctx; |
641 | 55 ngx_str_t addr_text; |
2224 | 56 #if (NGX_MAIL_SSL) |
57 ngx_uint_t ssl; /* unsigned ssl:1; */ | |
58 #endif | |
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59 } ngx_mail_addr_conf_t; |
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60 |
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61 typedef struct { |
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62 in_addr_t addr; |
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63 ngx_mail_addr_conf_t conf; |
1136 | 64 } ngx_mail_in_addr_t; |
641 | 65 |
66 | |
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67 #if (NGX_HAVE_INET6) |
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68 |
641 | 69 typedef struct { |
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70 struct in6_addr addr6; |
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71 ngx_mail_addr_conf_t conf; |
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72 } ngx_mail_in6_addr_t; |
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73 |
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74 #endif |
641 | 75 |
76 | |
77 typedef struct { | |
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78 /* ngx_mail_in_addr_t or ngx_mail_in6_addr_t */ |
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79 void *addrs; |
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80 ngx_uint_t naddrs; |
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81 } ngx_mail_port_t; |
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82 |
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83 |
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84 typedef struct { |
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85 int family; |
641 | 86 in_port_t port; |
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87 ngx_array_t addrs; /* array of ngx_mail_conf_addr_t */ |
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88 } ngx_mail_conf_port_t; |
641 | 89 |
90 | |
91 typedef struct { | |
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92 struct sockaddr *sockaddr; |
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93 socklen_t socklen; |
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94 |
1136 | 95 ngx_mail_conf_ctx_t *ctx; |
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96 |
641 | 97 unsigned bind:1; |
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98 unsigned wildcard:1; |
2224 | 99 #if (NGX_MAIL_SSL) |
100 unsigned ssl:1; | |
101 #endif | |
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102 #if (NGX_HAVE_INET6 && defined IPV6_V6ONLY) |
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103 unsigned ipv6only:1; |
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104 #endif |
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105 unsigned so_keepalive:2; |
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106 #if (NGX_HAVE_KEEPALIVE_TUNABLE) |
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107 int tcp_keepidle; |
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108 int tcp_keepintvl; |
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109 int tcp_keepcnt; |
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110 #endif |
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111 } ngx_mail_conf_addr_t; |
641 | 112 |
113 | |
114 typedef struct { | |
1136 | 115 ngx_array_t servers; /* ngx_mail_core_srv_conf_t */ |
116 ngx_array_t listen; /* ngx_mail_listen_t */ | |
117 } ngx_mail_core_main_conf_t; | |
521 | 118 |
119 | |
1136 | 120 #define NGX_MAIL_POP3_PROTOCOL 0 |
121 #define NGX_MAIL_IMAP_PROTOCOL 1 | |
122 #define NGX_MAIL_SMTP_PROTOCOL 2 | |
521 | 123 |
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124 |
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125 typedef struct ngx_mail_protocol_s ngx_mail_protocol_t; |
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126 |
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127 |
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128 typedef struct { |
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129 ngx_mail_protocol_t *protocol; |
521 | 130 |
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131 ngx_msec_t timeout; |
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132 ngx_msec_t resolver_timeout; |
521 | 133 |
587 | 134 ngx_flag_t so_keepalive; |
135 | |
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136 ngx_str_t server_name; |
527 | 137 |
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138 u_char *file_name; |
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139 ngx_int_t line; |
527 | 140 |
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141 ngx_resolver_t *resolver; |
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142 |
521 | 143 /* server ctx */ |
1136 | 144 ngx_mail_conf_ctx_t *ctx; |
145 } ngx_mail_core_srv_conf_t; | |
521 | 146 |
147 | |
527 | 148 typedef enum { |
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149 ngx_pop3_start = 0, |
527 | 150 ngx_pop3_user, |
809 | 151 ngx_pop3_passwd, |
152 ngx_pop3_auth_login_username, | |
153 ngx_pop3_auth_login_password, | |
154 ngx_pop3_auth_plain, | |
155 ngx_pop3_auth_cram_md5 | |
1673 | 156 } ngx_pop3_state_e; |
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157 |
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158 |
1136 | 159 typedef enum { |
160 ngx_imap_start = 0, | |
1323 | 161 ngx_imap_auth_login_username, |
162 ngx_imap_auth_login_password, | |
163 ngx_imap_auth_plain, | |
164 ngx_imap_auth_cram_md5, | |
1136 | 165 ngx_imap_login, |
166 ngx_imap_user, | |
167 ngx_imap_passwd | |
168 } ngx_imap_state_e; | |
169 | |
170 | |
171 typedef enum { | |
172 ngx_smtp_start = 0, | |
173 ngx_smtp_auth_login_username, | |
174 ngx_smtp_auth_login_password, | |
175 ngx_smtp_auth_plain, | |
176 ngx_smtp_auth_cram_md5, | |
177 ngx_smtp_helo, | |
2309 | 178 ngx_smtp_helo_xclient, |
179 ngx_smtp_helo_from, | |
180 ngx_smtp_xclient, | |
181 ngx_smtp_xclient_from, | |
2497 | 182 ngx_smtp_xclient_helo, |
2309 | 183 ngx_smtp_from, |
184 ngx_smtp_to | |
1136 | 185 } ngx_smtp_state_e; |
186 | |
187 | |
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188 typedef struct { |
521 | 189 ngx_peer_connection_t upstream; |
190 ngx_buf_t *buffer; | |
1136 | 191 } ngx_mail_proxy_ctx_t; |
521 | 192 |
193 | |
194 typedef struct { | |
1136 | 195 uint32_t signature; /* "MAIL" */ |
419
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196 |
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197 ngx_connection_t *connection; |
521 | 198 |
539 | 199 ngx_str_t out; |
419
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200 ngx_buf_t *buffer; |
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201 |
521 | 202 void **ctx; |
203 void **main_conf; | |
204 void **srv_conf; | |
205 | |
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206 ngx_resolver_ctx_t *resolver_ctx; |
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207 |
1136 | 208 ngx_mail_proxy_ctx_t *proxy; |
521 | 209 |
1136 | 210 ngx_uint_t mail_state; |
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211 |
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212 unsigned protocol:3; |
539 | 213 unsigned blocked:1; |
214 unsigned quit:1; | |
527 | 215 unsigned quoted:1; |
543 | 216 unsigned backslash:1; |
217 unsigned no_sync_literal:1; | |
641 | 218 unsigned starttls:1; |
1136 | 219 unsigned esmtp:1; |
2309 | 220 unsigned auth_method:3; |
883 | 221 unsigned auth_wait:1; |
418
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222 |
422
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223 ngx_str_t login; |
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224 ngx_str_t passwd; |
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225 |
800 | 226 ngx_str_t salt; |
527 | 227 ngx_str_t tag; |
539 | 228 ngx_str_t tagged_line; |
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229 ngx_str_t text; |
527 | 230 |
641 | 231 ngx_str_t *addr_text; |
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232 ngx_str_t host; |
1136 | 233 ngx_str_t smtp_helo; |
2309 | 234 ngx_str_t smtp_from; |
235 ngx_str_t smtp_to; | |
641 | 236 |
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237 ngx_str_t cmd; |
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238 |
419
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239 ngx_uint_t command; |
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240 ngx_array_t args; |
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241 |
527 | 242 ngx_uint_t login_attempt; |
243 | |
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244 /* used to parse POP3/IMAP/SMTP command */ |
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245 |
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246 ngx_uint_t state; |
527 | 247 u_char *cmd_start; |
419
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248 u_char *arg_start; |
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249 u_char *arg_end; |
527 | 250 ngx_uint_t literal_len; |
1136 | 251 } ngx_mail_session_t; |
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252 |
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253 |
541 | 254 typedef struct { |
583 | 255 ngx_str_t *client; |
1136 | 256 ngx_mail_session_t *session; |
257 } ngx_mail_log_ctx_t; | |
541 | 258 |
259 | |
1323 | 260 #define NGX_POP3_USER 1 |
261 #define NGX_POP3_PASS 2 | |
262 #define NGX_POP3_CAPA 3 | |
263 #define NGX_POP3_QUIT 4 | |
264 #define NGX_POP3_NOOP 5 | |
265 #define NGX_POP3_STLS 6 | |
266 #define NGX_POP3_APOP 7 | |
267 #define NGX_POP3_AUTH 8 | |
268 #define NGX_POP3_STAT 9 | |
269 #define NGX_POP3_LIST 10 | |
270 #define NGX_POP3_RETR 11 | |
271 #define NGX_POP3_DELE 12 | |
272 #define NGX_POP3_RSET 13 | |
273 #define NGX_POP3_TOP 14 | |
274 #define NGX_POP3_UIDL 15 | |
419
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275 |
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276 |
1323 | 277 #define NGX_IMAP_LOGIN 1 |
278 #define NGX_IMAP_LOGOUT 2 | |
279 #define NGX_IMAP_CAPABILITY 3 | |
280 #define NGX_IMAP_NOOP 4 | |
281 #define NGX_IMAP_STARTTLS 5 | |
800 | 282 |
1323 | 283 #define NGX_IMAP_NEXT 6 |
284 | |
285 #define NGX_IMAP_AUTHENTICATE 7 | |
527 | 286 |
800 | 287 |
1323 | 288 #define NGX_SMTP_HELO 1 |
289 #define NGX_SMTP_EHLO 2 | |
290 #define NGX_SMTP_AUTH 3 | |
291 #define NGX_SMTP_QUIT 4 | |
292 #define NGX_SMTP_NOOP 5 | |
293 #define NGX_SMTP_MAIL 6 | |
294 #define NGX_SMTP_RSET 7 | |
295 #define NGX_SMTP_RCPT 8 | |
296 #define NGX_SMTP_DATA 9 | |
297 #define NGX_SMTP_VRFY 10 | |
298 #define NGX_SMTP_EXPN 11 | |
299 #define NGX_SMTP_HELP 12 | |
300 #define NGX_SMTP_STARTTLS 13 | |
527 | 301 |
302 | |
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303 #define NGX_MAIL_AUTH_PLAIN 0 |
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304 #define NGX_MAIL_AUTH_LOGIN 1 |
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305 #define NGX_MAIL_AUTH_LOGIN_USERNAME 2 |
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306 #define NGX_MAIL_AUTH_APOP 3 |
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307 #define NGX_MAIL_AUTH_CRAM_MD5 4 |
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308 #define NGX_MAIL_AUTH_NONE 5 |
419
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309 |
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310 |
1136 | 311 #define NGX_MAIL_AUTH_PLAIN_ENABLED 0x0002 |
312 #define NGX_MAIL_AUTH_LOGIN_ENABLED 0x0004 | |
313 #define NGX_MAIL_AUTH_APOP_ENABLED 0x0008 | |
314 #define NGX_MAIL_AUTH_CRAM_MD5_ENABLED 0x0010 | |
2309 | 315 #define NGX_MAIL_AUTH_NONE_ENABLED 0x0020 |
521 | 316 |
317 | |
1136 | 318 #define NGX_MAIL_PARSE_INVALID_COMMAND 20 |
521 | 319 |
320 | |
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321 typedef void (*ngx_mail_init_session_pt)(ngx_mail_session_t *s, |
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322 ngx_connection_t *c); |
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323 typedef void (*ngx_mail_init_protocol_pt)(ngx_event_t *rev); |
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324 typedef void (*ngx_mail_auth_state_pt)(ngx_event_t *rev); |
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325 typedef ngx_int_t (*ngx_mail_parse_command_pt)(ngx_mail_session_t *s); |
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326 |
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327 |
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328 struct ngx_mail_protocol_s { |
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329 ngx_str_t name; |
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330 in_port_t port[4]; |
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331 ngx_uint_t type; |
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332 |
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333 ngx_mail_init_session_pt init_session; |
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334 ngx_mail_init_protocol_pt init_protocol; |
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335 ngx_mail_parse_command_pt parse_command; |
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336 ngx_mail_auth_state_pt auth_state; |
1136 | 337 |
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338 ngx_str_t internal_server_error; |
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339 }; |
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340 |
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341 |
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342 typedef struct { |
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343 ngx_mail_protocol_t *protocol; |
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344 |
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345 void *(*create_main_conf)(ngx_conf_t *cf); |
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346 char *(*init_main_conf)(ngx_conf_t *cf, void *conf); |
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347 |
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348 void *(*create_srv_conf)(ngx_conf_t *cf); |
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349 char *(*merge_srv_conf)(ngx_conf_t *cf, void *prev, |
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350 void *conf); |
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351 } ngx_mail_module_t; |
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352 |
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353 |
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354 #define NGX_MAIL_MODULE 0x4C49414D /* "MAIL" */ |
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355 |
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356 #define NGX_MAIL_MAIN_CONF 0x02000000 |
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357 #define NGX_MAIL_SRV_CONF 0x04000000 |
1136 | 358 |
359 | |
360 #define NGX_MAIL_MAIN_CONF_OFFSET offsetof(ngx_mail_conf_ctx_t, main_conf) | |
361 #define NGX_MAIL_SRV_CONF_OFFSET offsetof(ngx_mail_conf_ctx_t, srv_conf) | |
362 | |
363 | |
364 #define ngx_mail_get_module_ctx(s, module) (s)->ctx[module.ctx_index] | |
365 #define ngx_mail_set_ctx(s, c, module) s->ctx[module.ctx_index] = c; | |
366 #define ngx_mail_delete_ctx(s, module) s->ctx[module.ctx_index] = NULL; | |
521 | 367 |
368 | |
1136 | 369 #define ngx_mail_get_module_main_conf(s, module) \ |
521 | 370 (s)->main_conf[module.ctx_index] |
1136 | 371 #define ngx_mail_get_module_srv_conf(s, module) (s)->srv_conf[module.ctx_index] |
423
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372 |
1136 | 373 #define ngx_mail_conf_get_module_main_conf(cf, module) \ |
374 ((ngx_mail_conf_ctx_t *) cf->ctx)->main_conf[module.ctx_index] | |
1322 | 375 #define ngx_mail_conf_get_module_srv_conf(cf, module) \ |
376 ((ngx_mail_conf_ctx_t *) cf->ctx)->srv_conf[module.ctx_index] | |
641 | 377 |
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378 |
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379 #if (NGX_MAIL_SSL) |
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380 void ngx_mail_starttls_handler(ngx_event_t *rev); |
1479 | 381 ngx_int_t ngx_mail_starttls_only(ngx_mail_session_t *s, ngx_connection_t *c); |
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382 #endif |
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383 |
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384 |
1136 | 385 void ngx_mail_init_connection(ngx_connection_t *c); |
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386 |
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387 ngx_int_t ngx_mail_salt(ngx_mail_session_t *s, ngx_connection_t *c, |
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388 ngx_mail_core_srv_conf_t *cscf); |
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389 ngx_int_t ngx_mail_auth_plain(ngx_mail_session_t *s, ngx_connection_t *c, |
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390 ngx_uint_t n); |
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391 ngx_int_t ngx_mail_auth_login_username(ngx_mail_session_t *s, |
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392 ngx_connection_t *c, ngx_uint_t n); |
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393 ngx_int_t ngx_mail_auth_login_password(ngx_mail_session_t *s, |
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394 ngx_connection_t *c); |
1479 | 395 ngx_int_t ngx_mail_auth_cram_md5_salt(ngx_mail_session_t *s, |
396 ngx_connection_t *c, char *prefix, size_t len); | |
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397 ngx_int_t ngx_mail_auth_cram_md5(ngx_mail_session_t *s, ngx_connection_t *c); |
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398 ngx_int_t ngx_mail_auth_parse(ngx_mail_session_t *s, ngx_connection_t *c); |
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399 |
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400 void ngx_mail_send(ngx_event_t *wev); |
1482 | 401 ngx_int_t ngx_mail_read_command(ngx_mail_session_t *s, ngx_connection_t *c); |
402 void ngx_mail_auth(ngx_mail_session_t *s, ngx_connection_t *c); | |
1136 | 403 void ngx_mail_close_connection(ngx_connection_t *c); |
404 void ngx_mail_session_internal_server_error(ngx_mail_session_t *s); | |
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405 u_char *ngx_mail_log_error(ngx_log_t *log, u_char *buf, size_t len); |
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406 |
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407 |
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408 char *ngx_mail_capabilities(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); |
419
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409 |
417
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410 |
521 | 411 /* STUB */ |
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412 void ngx_mail_proxy_init(ngx_mail_session_t *s, ngx_addr_t *peer); |
1136 | 413 void ngx_mail_auth_http_init(ngx_mail_session_t *s); |
521 | 414 /**/ |
415 | |
416 | |
1136 | 417 extern ngx_uint_t ngx_mail_max_module; |
418 extern ngx_module_t ngx_mail_core_module; | |
521 | 419 |
420 | |
1136 | 421 #endif /* _NGX_MAIL_H_INCLUDED_ */ |