Mercurial > hg > nginx
annotate src/mail/ngx_mail.h @ 7690:8253424d1aff
Added size check to ngx_http_alloc_large_header_buffer().
This ensures that copying won't write more than the buffer size
even if the buffer comes from hc->free and it is smaller than the large
client header buffer size in the virtual host configuration. This might
happen if size of large client header buffers is different in name-based
virtual hosts, similarly to the problem with number of buffers fixed
in 6926:e662cbf1b932.
| author | Maxim Dounin <mdounin@mdounin.ru> |
|---|---|
| date | Thu, 06 Aug 2020 05:02:22 +0300 |
| parents | 4f9b72a229c1 |
| children | d63c5373b5ba |
| 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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5 */ |
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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 | |
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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 struct sockaddr *sockaddr; |
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31 socklen_t socklen; |
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32 ngx_str_t addr_text; |
| 641 | 33 |
| 34 /* server ctx */ | |
| 1136 | 35 ngx_mail_conf_ctx_t *ctx; |
| 641 | 36 |
| 37 unsigned bind:1; | |
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38 unsigned wildcard:1; |
| 2224 | 39 unsigned ssl:1; |
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40 #if (NGX_HAVE_INET6) |
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41 unsigned ipv6only:1; |
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42 #endif |
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43 unsigned so_keepalive:2; |
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44 #if (NGX_HAVE_KEEPALIVE_TUNABLE) |
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45 int tcp_keepidle; |
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46 int tcp_keepintvl; |
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47 int tcp_keepcnt; |
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48 #endif |
| 6173 | 49 int backlog; |
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50 int rcvbuf; |
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51 int sndbuf; |
| 1136 | 52 } ngx_mail_listen_t; |
| 641 | 53 |
| 54 | |
| 55 typedef struct { | |
| 1136 | 56 ngx_mail_conf_ctx_t *ctx; |
| 641 | 57 ngx_str_t addr_text; |
| 2224 | 58 ngx_uint_t ssl; /* unsigned ssl:1; */ |
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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 ngx_mail_listen_t opt; |
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93 } ngx_mail_conf_addr_t; |
| 641 | 94 |
| 95 | |
| 96 typedef struct { | |
| 1136 | 97 ngx_array_t servers; /* ngx_mail_core_srv_conf_t */ |
| 98 ngx_array_t listen; /* ngx_mail_listen_t */ | |
| 99 } ngx_mail_core_main_conf_t; | |
| 521 | 100 |
| 101 | |
| 1136 | 102 #define NGX_MAIL_POP3_PROTOCOL 0 |
| 103 #define NGX_MAIL_IMAP_PROTOCOL 1 | |
| 104 #define NGX_MAIL_SMTP_PROTOCOL 2 | |
| 521 | 105 |
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106 |
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107 typedef struct ngx_mail_protocol_s ngx_mail_protocol_t; |
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108 |
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109 |
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110 typedef struct { |
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111 ngx_mail_protocol_t *protocol; |
| 521 | 112 |
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113 ngx_msec_t timeout; |
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114 ngx_msec_t resolver_timeout; |
| 521 | 115 |
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116 ngx_str_t server_name; |
| 527 | 117 |
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118 u_char *file_name; |
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119 ngx_uint_t line; |
| 527 | 120 |
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121 ngx_resolver_t *resolver; |
| 6130 | 122 ngx_log_t *error_log; |
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123 |
| 521 | 124 /* server ctx */ |
| 1136 | 125 ngx_mail_conf_ctx_t *ctx; |
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126 |
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127 ngx_uint_t listen; /* unsigned listen:1; */ |
| 1136 | 128 } ngx_mail_core_srv_conf_t; |
| 521 | 129 |
| 130 | |
| 527 | 131 typedef enum { |
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132 ngx_pop3_start = 0, |
| 527 | 133 ngx_pop3_user, |
| 809 | 134 ngx_pop3_passwd, |
| 135 ngx_pop3_auth_login_username, | |
| 136 ngx_pop3_auth_login_password, | |
| 137 ngx_pop3_auth_plain, | |
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138 ngx_pop3_auth_cram_md5, |
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139 ngx_pop3_auth_external |
| 1673 | 140 } ngx_pop3_state_e; |
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141 |
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142 |
| 1136 | 143 typedef enum { |
| 144 ngx_imap_start = 0, | |
| 1323 | 145 ngx_imap_auth_login_username, |
| 146 ngx_imap_auth_login_password, | |
| 147 ngx_imap_auth_plain, | |
| 148 ngx_imap_auth_cram_md5, | |
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149 ngx_imap_auth_external, |
| 1136 | 150 ngx_imap_login, |
| 151 ngx_imap_user, | |
| 152 ngx_imap_passwd | |
| 153 } ngx_imap_state_e; | |
| 154 | |
| 155 | |
| 156 typedef enum { | |
| 157 ngx_smtp_start = 0, | |
| 158 ngx_smtp_auth_login_username, | |
| 159 ngx_smtp_auth_login_password, | |
| 160 ngx_smtp_auth_plain, | |
| 161 ngx_smtp_auth_cram_md5, | |
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162 ngx_smtp_auth_external, |
| 1136 | 163 ngx_smtp_helo, |
| 2309 | 164 ngx_smtp_helo_xclient, |
| 165 ngx_smtp_helo_from, | |
| 166 ngx_smtp_xclient, | |
| 167 ngx_smtp_xclient_from, | |
| 2497 | 168 ngx_smtp_xclient_helo, |
| 2309 | 169 ngx_smtp_from, |
| 170 ngx_smtp_to | |
| 1136 | 171 } ngx_smtp_state_e; |
| 172 | |
| 173 | |
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174 typedef struct { |
| 521 | 175 ngx_peer_connection_t upstream; |
| 176 ngx_buf_t *buffer; | |
| 1136 | 177 } ngx_mail_proxy_ctx_t; |
| 521 | 178 |
| 179 | |
| 180 typedef struct { | |
| 1136 | 181 uint32_t signature; /* "MAIL" */ |
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182 |
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183 ngx_connection_t *connection; |
| 521 | 184 |
| 539 | 185 ngx_str_t out; |
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186 ngx_buf_t *buffer; |
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187 |
| 521 | 188 void **ctx; |
| 189 void **main_conf; | |
| 190 void **srv_conf; | |
| 191 | |
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192 ngx_resolver_ctx_t *resolver_ctx; |
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193 |
| 1136 | 194 ngx_mail_proxy_ctx_t *proxy; |
| 521 | 195 |
| 1136 | 196 ngx_uint_t mail_state; |
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197 |
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198 unsigned protocol:3; |
| 539 | 199 unsigned blocked:1; |
| 200 unsigned quit:1; | |
| 527 | 201 unsigned quoted:1; |
| 543 | 202 unsigned backslash:1; |
| 203 unsigned no_sync_literal:1; | |
| 641 | 204 unsigned starttls:1; |
| 1136 | 205 unsigned esmtp:1; |
| 2309 | 206 unsigned auth_method:3; |
| 883 | 207 unsigned auth_wait:1; |
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208 |
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209 ngx_str_t login; |
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210 ngx_str_t passwd; |
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211 |
| 800 | 212 ngx_str_t salt; |
| 527 | 213 ngx_str_t tag; |
| 539 | 214 ngx_str_t tagged_line; |
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215 ngx_str_t text; |
| 527 | 216 |
| 641 | 217 ngx_str_t *addr_text; |
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218 ngx_str_t host; |
| 1136 | 219 ngx_str_t smtp_helo; |
| 2309 | 220 ngx_str_t smtp_from; |
| 221 ngx_str_t smtp_to; | |
| 641 | 222 |
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223 ngx_str_t cmd; |
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224 |
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225 ngx_uint_t command; |
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226 ngx_array_t args; |
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227 |
| 527 | 228 ngx_uint_t login_attempt; |
| 229 | |
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230 /* used to parse POP3/IMAP/SMTP command */ |
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231 |
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232 ngx_uint_t state; |
| 527 | 233 u_char *cmd_start; |
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234 u_char *arg_start; |
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235 u_char *arg_end; |
| 527 | 236 ngx_uint_t literal_len; |
| 1136 | 237 } ngx_mail_session_t; |
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238 |
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239 |
| 541 | 240 typedef struct { |
| 583 | 241 ngx_str_t *client; |
| 1136 | 242 ngx_mail_session_t *session; |
| 243 } ngx_mail_log_ctx_t; | |
| 541 | 244 |
| 245 | |
| 1323 | 246 #define NGX_POP3_USER 1 |
| 247 #define NGX_POP3_PASS 2 | |
| 248 #define NGX_POP3_CAPA 3 | |
| 249 #define NGX_POP3_QUIT 4 | |
| 250 #define NGX_POP3_NOOP 5 | |
| 251 #define NGX_POP3_STLS 6 | |
| 252 #define NGX_POP3_APOP 7 | |
| 253 #define NGX_POP3_AUTH 8 | |
| 254 #define NGX_POP3_STAT 9 | |
| 255 #define NGX_POP3_LIST 10 | |
| 256 #define NGX_POP3_RETR 11 | |
| 257 #define NGX_POP3_DELE 12 | |
| 258 #define NGX_POP3_RSET 13 | |
| 259 #define NGX_POP3_TOP 14 | |
| 260 #define NGX_POP3_UIDL 15 | |
|
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261 |
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262 |
| 1323 | 263 #define NGX_IMAP_LOGIN 1 |
| 264 #define NGX_IMAP_LOGOUT 2 | |
| 265 #define NGX_IMAP_CAPABILITY 3 | |
| 266 #define NGX_IMAP_NOOP 4 | |
| 267 #define NGX_IMAP_STARTTLS 5 | |
| 800 | 268 |
| 1323 | 269 #define NGX_IMAP_NEXT 6 |
| 270 | |
| 271 #define NGX_IMAP_AUTHENTICATE 7 | |
| 527 | 272 |
| 800 | 273 |
| 1323 | 274 #define NGX_SMTP_HELO 1 |
| 275 #define NGX_SMTP_EHLO 2 | |
| 276 #define NGX_SMTP_AUTH 3 | |
| 277 #define NGX_SMTP_QUIT 4 | |
| 278 #define NGX_SMTP_NOOP 5 | |
| 279 #define NGX_SMTP_MAIL 6 | |
| 280 #define NGX_SMTP_RSET 7 | |
| 281 #define NGX_SMTP_RCPT 8 | |
| 282 #define NGX_SMTP_DATA 9 | |
| 283 #define NGX_SMTP_VRFY 10 | |
| 284 #define NGX_SMTP_EXPN 11 | |
| 285 #define NGX_SMTP_HELP 12 | |
| 286 #define NGX_SMTP_STARTTLS 13 | |
| 527 | 287 |
| 288 | |
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289 #define NGX_MAIL_AUTH_PLAIN 0 |
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290 #define NGX_MAIL_AUTH_LOGIN 1 |
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291 #define NGX_MAIL_AUTH_LOGIN_USERNAME 2 |
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292 #define NGX_MAIL_AUTH_APOP 3 |
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293 #define NGX_MAIL_AUTH_CRAM_MD5 4 |
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294 #define NGX_MAIL_AUTH_EXTERNAL 5 |
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295 #define NGX_MAIL_AUTH_NONE 6 |
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296 |
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297 |
| 1136 | 298 #define NGX_MAIL_AUTH_PLAIN_ENABLED 0x0002 |
| 299 #define NGX_MAIL_AUTH_LOGIN_ENABLED 0x0004 | |
| 300 #define NGX_MAIL_AUTH_APOP_ENABLED 0x0008 | |
| 301 #define NGX_MAIL_AUTH_CRAM_MD5_ENABLED 0x0010 | |
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302 #define NGX_MAIL_AUTH_EXTERNAL_ENABLED 0x0020 |
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303 #define NGX_MAIL_AUTH_NONE_ENABLED 0x0040 |
| 521 | 304 |
| 305 | |
| 1136 | 306 #define NGX_MAIL_PARSE_INVALID_COMMAND 20 |
| 521 | 307 |
| 308 | |
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309 typedef void (*ngx_mail_init_session_pt)(ngx_mail_session_t *s, |
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310 ngx_connection_t *c); |
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311 typedef void (*ngx_mail_init_protocol_pt)(ngx_event_t *rev); |
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312 typedef void (*ngx_mail_auth_state_pt)(ngx_event_t *rev); |
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313 typedef ngx_int_t (*ngx_mail_parse_command_pt)(ngx_mail_session_t *s); |
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314 |
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315 |
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316 struct ngx_mail_protocol_s { |
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317 ngx_str_t name; |
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318 in_port_t port[4]; |
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319 ngx_uint_t type; |
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320 |
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321 ngx_mail_init_session_pt init_session; |
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322 ngx_mail_init_protocol_pt init_protocol; |
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323 ngx_mail_parse_command_pt parse_command; |
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324 ngx_mail_auth_state_pt auth_state; |
| 1136 | 325 |
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326 ngx_str_t internal_server_error; |
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327 ngx_str_t cert_error; |
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328 ngx_str_t no_cert; |
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329 }; |
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330 |
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331 |
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332 typedef struct { |
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333 ngx_mail_protocol_t *protocol; |
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334 |
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335 void *(*create_main_conf)(ngx_conf_t *cf); |
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336 char *(*init_main_conf)(ngx_conf_t *cf, void *conf); |
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337 |
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338 void *(*create_srv_conf)(ngx_conf_t *cf); |
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339 char *(*merge_srv_conf)(ngx_conf_t *cf, void *prev, |
| 6474 | 340 void *conf); |
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341 } ngx_mail_module_t; |
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342 |
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343 |
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344 #define NGX_MAIL_MODULE 0x4C49414D /* "MAIL" */ |
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345 |
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346 #define NGX_MAIL_MAIN_CONF 0x02000000 |
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347 #define NGX_MAIL_SRV_CONF 0x04000000 |
| 1136 | 348 |
| 349 | |
| 350 #define NGX_MAIL_MAIN_CONF_OFFSET offsetof(ngx_mail_conf_ctx_t, main_conf) | |
| 351 #define NGX_MAIL_SRV_CONF_OFFSET offsetof(ngx_mail_conf_ctx_t, srv_conf) | |
| 352 | |
| 353 | |
| 354 #define ngx_mail_get_module_ctx(s, module) (s)->ctx[module.ctx_index] | |
| 355 #define ngx_mail_set_ctx(s, c, module) s->ctx[module.ctx_index] = c; | |
| 356 #define ngx_mail_delete_ctx(s, module) s->ctx[module.ctx_index] = NULL; | |
| 521 | 357 |
| 358 | |
| 1136 | 359 #define ngx_mail_get_module_main_conf(s, module) \ |
| 521 | 360 (s)->main_conf[module.ctx_index] |
| 1136 | 361 #define ngx_mail_get_module_srv_conf(s, module) (s)->srv_conf[module.ctx_index] |
|
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362 |
| 1136 | 363 #define ngx_mail_conf_get_module_main_conf(cf, module) \ |
| 364 ((ngx_mail_conf_ctx_t *) cf->ctx)->main_conf[module.ctx_index] | |
| 1322 | 365 #define ngx_mail_conf_get_module_srv_conf(cf, module) \ |
| 366 ((ngx_mail_conf_ctx_t *) cf->ctx)->srv_conf[module.ctx_index] | |
| 641 | 367 |
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368 |
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369 #if (NGX_MAIL_SSL) |
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370 void ngx_mail_starttls_handler(ngx_event_t *rev); |
| 1479 | 371 ngx_int_t ngx_mail_starttls_only(ngx_mail_session_t *s, ngx_connection_t *c); |
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372 #endif |
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373 |
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nginx-0.0.10-2004-09-13-20:18:09 import
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374 |
| 1136 | 375 void ngx_mail_init_connection(ngx_connection_t *c); |
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376 |
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377 ngx_int_t ngx_mail_salt(ngx_mail_session_t *s, ngx_connection_t *c, |
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378 ngx_mail_core_srv_conf_t *cscf); |
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379 ngx_int_t ngx_mail_auth_plain(ngx_mail_session_t *s, ngx_connection_t *c, |
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380 ngx_uint_t n); |
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381 ngx_int_t ngx_mail_auth_login_username(ngx_mail_session_t *s, |
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382 ngx_connection_t *c, ngx_uint_t n); |
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383 ngx_int_t ngx_mail_auth_login_password(ngx_mail_session_t *s, |
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384 ngx_connection_t *c); |
| 1479 | 385 ngx_int_t ngx_mail_auth_cram_md5_salt(ngx_mail_session_t *s, |
| 386 ngx_connection_t *c, char *prefix, size_t len); | |
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387 ngx_int_t ngx_mail_auth_cram_md5(ngx_mail_session_t *s, ngx_connection_t *c); |
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388 ngx_int_t ngx_mail_auth_external(ngx_mail_session_t *s, ngx_connection_t *c, |
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389 ngx_uint_t n); |
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390 ngx_int_t ngx_mail_auth_parse(ngx_mail_session_t *s, ngx_connection_t *c); |
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391 |
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392 void ngx_mail_send(ngx_event_t *wev); |
| 1482 | 393 ngx_int_t ngx_mail_read_command(ngx_mail_session_t *s, ngx_connection_t *c); |
| 394 void ngx_mail_auth(ngx_mail_session_t *s, ngx_connection_t *c); | |
| 1136 | 395 void ngx_mail_close_connection(ngx_connection_t *c); |
| 396 void ngx_mail_session_internal_server_error(ngx_mail_session_t *s); | |
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397 u_char *ngx_mail_log_error(ngx_log_t *log, u_char *buf, size_t len); |
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398 |
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399 |
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400 char *ngx_mail_capabilities(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); |
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419
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nginx-0.0.10-2004-09-09-19:40:48 import
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401 |
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417
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nginx-0.0.10-2004-09-07-19:29:22 import
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402 |
| 521 | 403 /* STUB */ |
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404 void ngx_mail_proxy_init(ngx_mail_session_t *s, ngx_addr_t *peer); |
| 1136 | 405 void ngx_mail_auth_http_init(ngx_mail_session_t *s); |
| 521 | 406 /**/ |
| 407 | |
| 408 | |
| 1136 | 409 extern ngx_uint_t ngx_mail_max_module; |
| 410 extern ngx_module_t ngx_mail_core_module; | |
| 521 | 411 |
| 412 | |
| 1136 | 413 #endif /* _NGX_MAIL_H_INCLUDED_ */ |