Mercurial > hg > nginx
annotate src/mail/ngx_mail.h @ 7361:c09c7d47acb9
SSL: logging level of "no suitable signature algorithm".
The "no suitable signature algorithm" errors are reported by OpenSSL 1.1.1
when using TLSv1.3 if there are no shared signature algorithms. In
particular, this can happen if the client limits available signature
algorithms to something we don't have a certificate for, or to an empty
list. For example, the following command:
openssl s_client -connect 127.0.0.1:8443 -sigalgs rsa_pkcs1_sha1
will always result in the "no suitable signature algorithm" error
as the "rsa_pkcs1_sha1" algorithm refers solely to signatures which
appear in certificates and not defined for use in TLS 1.3 handshake
messages.
The SSL_R_NO_COMMON_SIGNATURE_ALGORITHMS error is what BoringSSL returns
in the same situation.
author | Maxim Dounin <mdounin@mdounin.ru> |
---|---|
date | Tue, 25 Sep 2018 14:00:04 +0300 |
parents | 6c13008ad503 |
children | 4f9b72a229c1 |
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 ngx_sockaddr_t sockaddr; |
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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 unsigned ssl:1; |
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39 #if (NGX_HAVE_INET6) |
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40 unsigned ipv6only:1; |
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41 #endif |
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42 unsigned so_keepalive:2; |
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43 #if (NGX_HAVE_KEEPALIVE_TUNABLE) |
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44 int tcp_keepidle; |
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45 int tcp_keepintvl; |
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46 int tcp_keepcnt; |
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47 #endif |
6173 | 48 int backlog; |
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49 int rcvbuf; |
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50 int sndbuf; |
1136 | 51 } ngx_mail_listen_t; |
641 | 52 |
53 | |
54 typedef struct { | |
1136 | 55 ngx_mail_conf_ctx_t *ctx; |
641 | 56 ngx_str_t addr_text; |
2224 | 57 ngx_uint_t ssl; /* unsigned ssl:1; */ |
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58 } ngx_mail_addr_conf_t; |
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59 |
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60 typedef struct { |
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61 in_addr_t addr; |
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62 ngx_mail_addr_conf_t conf; |
1136 | 63 } ngx_mail_in_addr_t; |
641 | 64 |
65 | |
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66 #if (NGX_HAVE_INET6) |
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67 |
641 | 68 typedef struct { |
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69 struct in6_addr addr6; |
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70 ngx_mail_addr_conf_t conf; |
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71 } ngx_mail_in6_addr_t; |
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72 |
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73 #endif |
641 | 74 |
75 | |
76 typedef struct { | |
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77 /* ngx_mail_in_addr_t or ngx_mail_in6_addr_t */ |
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78 void *addrs; |
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79 ngx_uint_t naddrs; |
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80 } ngx_mail_port_t; |
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81 |
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82 |
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83 typedef struct { |
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84 int family; |
641 | 85 in_port_t port; |
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86 ngx_array_t addrs; /* array of ngx_mail_conf_addr_t */ |
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87 } ngx_mail_conf_port_t; |
641 | 88 |
89 | |
90 typedef struct { | |
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91 ngx_mail_listen_t opt; |
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92 } ngx_mail_conf_addr_t; |
641 | 93 |
94 | |
95 typedef struct { | |
1136 | 96 ngx_array_t servers; /* ngx_mail_core_srv_conf_t */ |
97 ngx_array_t listen; /* ngx_mail_listen_t */ | |
98 } ngx_mail_core_main_conf_t; | |
521 | 99 |
100 | |
1136 | 101 #define NGX_MAIL_POP3_PROTOCOL 0 |
102 #define NGX_MAIL_IMAP_PROTOCOL 1 | |
103 #define NGX_MAIL_SMTP_PROTOCOL 2 | |
521 | 104 |
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105 |
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106 typedef struct ngx_mail_protocol_s ngx_mail_protocol_t; |
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107 |
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108 |
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109 typedef struct { |
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110 ngx_mail_protocol_t *protocol; |
521 | 111 |
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112 ngx_msec_t timeout; |
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113 ngx_msec_t resolver_timeout; |
521 | 114 |
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115 ngx_str_t server_name; |
527 | 116 |
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117 u_char *file_name; |
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118 ngx_uint_t line; |
527 | 119 |
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120 ngx_resolver_t *resolver; |
6130 | 121 ngx_log_t *error_log; |
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122 |
521 | 123 /* server ctx */ |
1136 | 124 ngx_mail_conf_ctx_t *ctx; |
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125 |
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126 ngx_uint_t listen; /* unsigned listen:1; */ |
1136 | 127 } ngx_mail_core_srv_conf_t; |
521 | 128 |
129 | |
527 | 130 typedef enum { |
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131 ngx_pop3_start = 0, |
527 | 132 ngx_pop3_user, |
809 | 133 ngx_pop3_passwd, |
134 ngx_pop3_auth_login_username, | |
135 ngx_pop3_auth_login_password, | |
136 ngx_pop3_auth_plain, | |
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137 ngx_pop3_auth_cram_md5, |
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138 ngx_pop3_auth_external |
1673 | 139 } ngx_pop3_state_e; |
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140 |
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141 |
1136 | 142 typedef enum { |
143 ngx_imap_start = 0, | |
1323 | 144 ngx_imap_auth_login_username, |
145 ngx_imap_auth_login_password, | |
146 ngx_imap_auth_plain, | |
147 ngx_imap_auth_cram_md5, | |
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148 ngx_imap_auth_external, |
1136 | 149 ngx_imap_login, |
150 ngx_imap_user, | |
151 ngx_imap_passwd | |
152 } ngx_imap_state_e; | |
153 | |
154 | |
155 typedef enum { | |
156 ngx_smtp_start = 0, | |
157 ngx_smtp_auth_login_username, | |
158 ngx_smtp_auth_login_password, | |
159 ngx_smtp_auth_plain, | |
160 ngx_smtp_auth_cram_md5, | |
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161 ngx_smtp_auth_external, |
1136 | 162 ngx_smtp_helo, |
2309 | 163 ngx_smtp_helo_xclient, |
164 ngx_smtp_helo_from, | |
165 ngx_smtp_xclient, | |
166 ngx_smtp_xclient_from, | |
2497 | 167 ngx_smtp_xclient_helo, |
2309 | 168 ngx_smtp_from, |
169 ngx_smtp_to | |
1136 | 170 } ngx_smtp_state_e; |
171 | |
172 | |
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173 typedef struct { |
521 | 174 ngx_peer_connection_t upstream; |
175 ngx_buf_t *buffer; | |
1136 | 176 } ngx_mail_proxy_ctx_t; |
521 | 177 |
178 | |
179 typedef struct { | |
1136 | 180 uint32_t signature; /* "MAIL" */ |
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181 |
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182 ngx_connection_t *connection; |
521 | 183 |
539 | 184 ngx_str_t out; |
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185 ngx_buf_t *buffer; |
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186 |
521 | 187 void **ctx; |
188 void **main_conf; | |
189 void **srv_conf; | |
190 | |
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191 ngx_resolver_ctx_t *resolver_ctx; |
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192 |
1136 | 193 ngx_mail_proxy_ctx_t *proxy; |
521 | 194 |
1136 | 195 ngx_uint_t mail_state; |
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196 |
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197 unsigned protocol:3; |
539 | 198 unsigned blocked:1; |
199 unsigned quit:1; | |
527 | 200 unsigned quoted:1; |
543 | 201 unsigned backslash:1; |
202 unsigned no_sync_literal:1; | |
641 | 203 unsigned starttls:1; |
1136 | 204 unsigned esmtp:1; |
2309 | 205 unsigned auth_method:3; |
883 | 206 unsigned auth_wait:1; |
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207 |
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208 ngx_str_t login; |
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209 ngx_str_t passwd; |
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210 |
800 | 211 ngx_str_t salt; |
527 | 212 ngx_str_t tag; |
539 | 213 ngx_str_t tagged_line; |
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214 ngx_str_t text; |
527 | 215 |
641 | 216 ngx_str_t *addr_text; |
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217 ngx_str_t host; |
1136 | 218 ngx_str_t smtp_helo; |
2309 | 219 ngx_str_t smtp_from; |
220 ngx_str_t smtp_to; | |
641 | 221 |
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222 ngx_str_t cmd; |
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223 |
419
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224 ngx_uint_t command; |
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225 ngx_array_t args; |
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226 |
527 | 227 ngx_uint_t login_attempt; |
228 | |
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229 /* used to parse POP3/IMAP/SMTP command */ |
419
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230 |
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231 ngx_uint_t state; |
527 | 232 u_char *cmd_start; |
419
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233 u_char *arg_start; |
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234 u_char *arg_end; |
527 | 235 ngx_uint_t literal_len; |
1136 | 236 } ngx_mail_session_t; |
418
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237 |
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238 |
541 | 239 typedef struct { |
583 | 240 ngx_str_t *client; |
1136 | 241 ngx_mail_session_t *session; |
242 } ngx_mail_log_ctx_t; | |
541 | 243 |
244 | |
1323 | 245 #define NGX_POP3_USER 1 |
246 #define NGX_POP3_PASS 2 | |
247 #define NGX_POP3_CAPA 3 | |
248 #define NGX_POP3_QUIT 4 | |
249 #define NGX_POP3_NOOP 5 | |
250 #define NGX_POP3_STLS 6 | |
251 #define NGX_POP3_APOP 7 | |
252 #define NGX_POP3_AUTH 8 | |
253 #define NGX_POP3_STAT 9 | |
254 #define NGX_POP3_LIST 10 | |
255 #define NGX_POP3_RETR 11 | |
256 #define NGX_POP3_DELE 12 | |
257 #define NGX_POP3_RSET 13 | |
258 #define NGX_POP3_TOP 14 | |
259 #define NGX_POP3_UIDL 15 | |
419
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260 |
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261 |
1323 | 262 #define NGX_IMAP_LOGIN 1 |
263 #define NGX_IMAP_LOGOUT 2 | |
264 #define NGX_IMAP_CAPABILITY 3 | |
265 #define NGX_IMAP_NOOP 4 | |
266 #define NGX_IMAP_STARTTLS 5 | |
800 | 267 |
1323 | 268 #define NGX_IMAP_NEXT 6 |
269 | |
270 #define NGX_IMAP_AUTHENTICATE 7 | |
527 | 271 |
800 | 272 |
1323 | 273 #define NGX_SMTP_HELO 1 |
274 #define NGX_SMTP_EHLO 2 | |
275 #define NGX_SMTP_AUTH 3 | |
276 #define NGX_SMTP_QUIT 4 | |
277 #define NGX_SMTP_NOOP 5 | |
278 #define NGX_SMTP_MAIL 6 | |
279 #define NGX_SMTP_RSET 7 | |
280 #define NGX_SMTP_RCPT 8 | |
281 #define NGX_SMTP_DATA 9 | |
282 #define NGX_SMTP_VRFY 10 | |
283 #define NGX_SMTP_EXPN 11 | |
284 #define NGX_SMTP_HELP 12 | |
285 #define NGX_SMTP_STARTTLS 13 | |
527 | 286 |
287 | |
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288 #define NGX_MAIL_AUTH_PLAIN 0 |
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289 #define NGX_MAIL_AUTH_LOGIN 1 |
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290 #define NGX_MAIL_AUTH_LOGIN_USERNAME 2 |
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291 #define NGX_MAIL_AUTH_APOP 3 |
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292 #define NGX_MAIL_AUTH_CRAM_MD5 4 |
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293 #define NGX_MAIL_AUTH_EXTERNAL 5 |
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294 #define NGX_MAIL_AUTH_NONE 6 |
419
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295 |
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296 |
1136 | 297 #define NGX_MAIL_AUTH_PLAIN_ENABLED 0x0002 |
298 #define NGX_MAIL_AUTH_LOGIN_ENABLED 0x0004 | |
299 #define NGX_MAIL_AUTH_APOP_ENABLED 0x0008 | |
300 #define NGX_MAIL_AUTH_CRAM_MD5_ENABLED 0x0010 | |
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301 #define NGX_MAIL_AUTH_EXTERNAL_ENABLED 0x0020 |
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302 #define NGX_MAIL_AUTH_NONE_ENABLED 0x0040 |
521 | 303 |
304 | |
1136 | 305 #define NGX_MAIL_PARSE_INVALID_COMMAND 20 |
521 | 306 |
307 | |
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308 typedef void (*ngx_mail_init_session_pt)(ngx_mail_session_t *s, |
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309 ngx_connection_t *c); |
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310 typedef void (*ngx_mail_init_protocol_pt)(ngx_event_t *rev); |
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311 typedef void (*ngx_mail_auth_state_pt)(ngx_event_t *rev); |
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312 typedef ngx_int_t (*ngx_mail_parse_command_pt)(ngx_mail_session_t *s); |
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313 |
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314 |
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315 struct ngx_mail_protocol_s { |
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316 ngx_str_t name; |
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317 in_port_t port[4]; |
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318 ngx_uint_t type; |
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319 |
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320 ngx_mail_init_session_pt init_session; |
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321 ngx_mail_init_protocol_pt init_protocol; |
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322 ngx_mail_parse_command_pt parse_command; |
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323 ngx_mail_auth_state_pt auth_state; |
1136 | 324 |
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325 ngx_str_t internal_server_error; |
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326 ngx_str_t cert_error; |
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327 ngx_str_t no_cert; |
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328 }; |
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329 |
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330 |
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331 typedef struct { |
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332 ngx_mail_protocol_t *protocol; |
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333 |
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334 void *(*create_main_conf)(ngx_conf_t *cf); |
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335 char *(*init_main_conf)(ngx_conf_t *cf, void *conf); |
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336 |
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337 void *(*create_srv_conf)(ngx_conf_t *cf); |
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338 char *(*merge_srv_conf)(ngx_conf_t *cf, void *prev, |
6474 | 339 void *conf); |
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340 } ngx_mail_module_t; |
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341 |
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342 |
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343 #define NGX_MAIL_MODULE 0x4C49414D /* "MAIL" */ |
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344 |
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345 #define NGX_MAIL_MAIN_CONF 0x02000000 |
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346 #define NGX_MAIL_SRV_CONF 0x04000000 |
1136 | 347 |
348 | |
349 #define NGX_MAIL_MAIN_CONF_OFFSET offsetof(ngx_mail_conf_ctx_t, main_conf) | |
350 #define NGX_MAIL_SRV_CONF_OFFSET offsetof(ngx_mail_conf_ctx_t, srv_conf) | |
351 | |
352 | |
353 #define ngx_mail_get_module_ctx(s, module) (s)->ctx[module.ctx_index] | |
354 #define ngx_mail_set_ctx(s, c, module) s->ctx[module.ctx_index] = c; | |
355 #define ngx_mail_delete_ctx(s, module) s->ctx[module.ctx_index] = NULL; | |
521 | 356 |
357 | |
1136 | 358 #define ngx_mail_get_module_main_conf(s, module) \ |
521 | 359 (s)->main_conf[module.ctx_index] |
1136 | 360 #define ngx_mail_get_module_srv_conf(s, module) (s)->srv_conf[module.ctx_index] |
423
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361 |
1136 | 362 #define ngx_mail_conf_get_module_main_conf(cf, module) \ |
363 ((ngx_mail_conf_ctx_t *) cf->ctx)->main_conf[module.ctx_index] | |
1322 | 364 #define ngx_mail_conf_get_module_srv_conf(cf, module) \ |
365 ((ngx_mail_conf_ctx_t *) cf->ctx)->srv_conf[module.ctx_index] | |
641 | 366 |
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367 |
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368 #if (NGX_MAIL_SSL) |
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369 void ngx_mail_starttls_handler(ngx_event_t *rev); |
1479 | 370 ngx_int_t ngx_mail_starttls_only(ngx_mail_session_t *s, ngx_connection_t *c); |
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371 #endif |
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372 |
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373 |
1136 | 374 void ngx_mail_init_connection(ngx_connection_t *c); |
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375 |
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376 ngx_int_t ngx_mail_salt(ngx_mail_session_t *s, ngx_connection_t *c, |
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377 ngx_mail_core_srv_conf_t *cscf); |
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378 ngx_int_t ngx_mail_auth_plain(ngx_mail_session_t *s, ngx_connection_t *c, |
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379 ngx_uint_t n); |
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380 ngx_int_t ngx_mail_auth_login_username(ngx_mail_session_t *s, |
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381 ngx_connection_t *c, ngx_uint_t n); |
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382 ngx_int_t ngx_mail_auth_login_password(ngx_mail_session_t *s, |
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383 ngx_connection_t *c); |
1479 | 384 ngx_int_t ngx_mail_auth_cram_md5_salt(ngx_mail_session_t *s, |
385 ngx_connection_t *c, char *prefix, size_t len); | |
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386 ngx_int_t ngx_mail_auth_cram_md5(ngx_mail_session_t *s, ngx_connection_t *c); |
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387 ngx_int_t ngx_mail_auth_external(ngx_mail_session_t *s, ngx_connection_t *c, |
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388 ngx_uint_t n); |
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389 ngx_int_t ngx_mail_auth_parse(ngx_mail_session_t *s, ngx_connection_t *c); |
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390 |
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391 void ngx_mail_send(ngx_event_t *wev); |
1482 | 392 ngx_int_t ngx_mail_read_command(ngx_mail_session_t *s, ngx_connection_t *c); |
393 void ngx_mail_auth(ngx_mail_session_t *s, ngx_connection_t *c); | |
1136 | 394 void ngx_mail_close_connection(ngx_connection_t *c); |
395 void ngx_mail_session_internal_server_error(ngx_mail_session_t *s); | |
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396 u_char *ngx_mail_log_error(ngx_log_t *log, u_char *buf, size_t len); |
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397 |
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398 |
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399 char *ngx_mail_capabilities(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); |
419
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400 |
417
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401 |
521 | 402 /* STUB */ |
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403 void ngx_mail_proxy_init(ngx_mail_session_t *s, ngx_addr_t *peer); |
1136 | 404 void ngx_mail_auth_http_init(ngx_mail_session_t *s); |
521 | 405 /**/ |
406 | |
407 | |
1136 | 408 extern ngx_uint_t ngx_mail_max_module; |
409 extern ngx_module_t ngx_mail_core_module; | |
521 | 410 |
411 | |
1136 | 412 #endif /* _NGX_MAIL_H_INCLUDED_ */ |