Mercurial > hg > nginx-quic
annotate src/mail/ngx_mail_imap_module.c @ 6760:9d61ecbe979e stable-1.10
HTTP/2: prevented output of the HEADERS frame for canceled streams.
It's useless to generate HEADERS if the stream has been canceled already.
author | Valentin Bartenev <vbart@nginx.com> |
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date | Tue, 19 Jul 2016 20:22:44 +0300 |
parents | ec01b1d1fff1 |
children | bcb107bb89cd |
rev | line source |
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521 | 1 |
2 /* | |
3 * Copyright (C) Igor Sysoev | |
4412 | 4 * Copyright (C) Nginx, Inc. |
521 | 5 */ |
6 | |
7 | |
8 #include <ngx_config.h> | |
9 #include <ngx_core.h> | |
10 #include <ngx_event.h> | |
1136 | 11 #include <ngx_mail.h> |
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12 #include <ngx_mail_imap_module.h> |
521 | 13 |
14 | |
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15 static void *ngx_mail_imap_create_srv_conf(ngx_conf_t *cf); |
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16 static char *ngx_mail_imap_merge_srv_conf(ngx_conf_t *cf, void *parent, |
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17 void *child); |
521 | 18 |
19 | |
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20 static ngx_str_t ngx_mail_imap_default_capabilities[] = { |
527 | 21 ngx_string("IMAP4"), |
22 ngx_string("IMAP4rev1"), | |
23 ngx_string("UIDPLUS"), | |
24 ngx_null_string | |
25 }; | |
26 | |
27 | |
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28 static ngx_conf_bitmask_t ngx_mail_imap_auth_methods[] = { |
1323 | 29 { ngx_string("plain"), NGX_MAIL_AUTH_PLAIN_ENABLED }, |
30 { ngx_string("login"), NGX_MAIL_AUTH_LOGIN_ENABLED }, | |
31 { ngx_string("cram-md5"), NGX_MAIL_AUTH_CRAM_MD5_ENABLED }, | |
32 { ngx_null_string, 0 } | |
33 }; | |
34 | |
35 | |
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36 static ngx_str_t ngx_mail_imap_auth_methods_names[] = { |
1323 | 37 ngx_string("AUTH=PLAIN"), |
38 ngx_string("AUTH=LOGIN"), | |
39 ngx_null_string, /* APOP */ | |
2309 | 40 ngx_string("AUTH=CRAM-MD5"), |
41 ngx_null_string /* NONE */ | |
1323 | 42 }; |
43 | |
44 | |
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45 static ngx_mail_protocol_t ngx_mail_imap_protocol = { |
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46 ngx_string("imap"), |
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47 { 143, 993, 0, 0 }, |
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48 NGX_MAIL_IMAP_PROTOCOL, |
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49 |
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50 ngx_mail_imap_init_session, |
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51 ngx_mail_imap_init_protocol, |
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52 ngx_mail_imap_parse_command, |
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53 ngx_mail_imap_auth_state, |
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54 |
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55 ngx_string("* BAD internal server error" CRLF), |
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56 ngx_string("* BYE SSL certificate error" CRLF), |
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57 ngx_string("* BYE No required SSL certificate" CRLF) |
1136 | 58 }; |
59 | |
60 | |
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61 static ngx_command_t ngx_mail_imap_commands[] = { |
521 | 62 |
63 { ngx_string("imap_client_buffer"), | |
1136 | 64 NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_TAKE1, |
521 | 65 ngx_conf_set_size_slot, |
1136 | 66 NGX_MAIL_SRV_CONF_OFFSET, |
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67 offsetof(ngx_mail_imap_srv_conf_t, client_buffer_size), |
527 | 68 NULL }, |
69 | |
70 { ngx_string("imap_capabilities"), | |
1136 | 71 NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_1MORE, |
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72 ngx_mail_capabilities, |
1136 | 73 NGX_MAIL_SRV_CONF_OFFSET, |
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74 offsetof(ngx_mail_imap_srv_conf_t, capabilities), |
800 | 75 NULL }, |
76 | |
1323 | 77 { ngx_string("imap_auth"), |
78 NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_1MORE, | |
79 ngx_conf_set_bitmask_slot, | |
80 NGX_MAIL_SRV_CONF_OFFSET, | |
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81 offsetof(ngx_mail_imap_srv_conf_t, auth_methods), |
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82 &ngx_mail_imap_auth_methods }, |
800 | 83 |
521 | 84 ngx_null_command |
85 }; | |
86 | |
87 | |
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88 static ngx_mail_module_t ngx_mail_imap_module_ctx = { |
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89 &ngx_mail_imap_protocol, /* protocol */ |
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90 |
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91 NULL, /* create main configuration */ |
521 | 92 NULL, /* init main configuration */ |
93 | |
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94 ngx_mail_imap_create_srv_conf, /* create server configuration */ |
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95 ngx_mail_imap_merge_srv_conf /* merge server configuration */ |
521 | 96 }; |
97 | |
98 | |
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99 ngx_module_t ngx_mail_imap_module = { |
521 | 100 NGX_MODULE_V1, |
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101 &ngx_mail_imap_module_ctx, /* module context */ |
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102 ngx_mail_imap_commands, /* module directives */ |
1136 | 103 NGX_MAIL_MODULE, /* module type */ |
541 | 104 NULL, /* init master */ |
521 | 105 NULL, /* init module */ |
541 | 106 NULL, /* init process */ |
107 NULL, /* init thread */ | |
108 NULL, /* exit thread */ | |
109 NULL, /* exit process */ | |
110 NULL, /* exit master */ | |
111 NGX_MODULE_V1_PADDING | |
521 | 112 }; |
113 | |
114 | |
115 static void * | |
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116 ngx_mail_imap_create_srv_conf(ngx_conf_t *cf) |
577 | 117 { |
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118 ngx_mail_imap_srv_conf_t *iscf; |
641 | 119 |
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120 iscf = ngx_pcalloc(cf->pool, sizeof(ngx_mail_imap_srv_conf_t)); |
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121 if (iscf == NULL) { |
527 | 122 return NULL; |
521 | 123 } |
124 | |
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125 iscf->client_buffer_size = NGX_CONF_UNSET_SIZE; |
521 | 126 |
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127 if (ngx_array_init(&iscf->capabilities, cf->pool, 4, sizeof(ngx_str_t)) |
1136 | 128 != NGX_OK) |
129 { | |
130 return NULL; | |
131 } | |
132 | |
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133 return iscf; |
521 | 134 } |
135 | |
136 | |
137 static char * | |
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138 ngx_mail_imap_merge_srv_conf(ngx_conf_t *cf, void *parent, void *child) |
521 | 139 { |
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140 ngx_mail_imap_srv_conf_t *prev = parent; |
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141 ngx_mail_imap_srv_conf_t *conf = child; |
521 | 142 |
1322 | 143 u_char *p, *auth; |
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144 size_t size; |
527 | 145 ngx_str_t *c, *d; |
1136 | 146 ngx_uint_t i, m; |
527 | 147 |
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148 ngx_conf_merge_size_value(conf->client_buffer_size, |
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149 prev->client_buffer_size, |
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150 (size_t) ngx_pagesize); |
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151 |
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152 ngx_conf_merge_bitmask_value(conf->auth_methods, |
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153 prev->auth_methods, |
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154 (NGX_CONF_BITMASK_SET |
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155 |NGX_MAIL_AUTH_PLAIN_ENABLED)); |
1323 | 156 |
800 | 157 |
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158 if (conf->capabilities.nelts == 0) { |
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159 conf->capabilities = prev->capabilities; |
527 | 160 } |
161 | |
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162 if (conf->capabilities.nelts == 0) { |
527 | 163 |
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164 for (d = ngx_mail_imap_default_capabilities; d->len; d++) { |
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165 c = ngx_array_push(&conf->capabilities); |
527 | 166 if (c == NULL) { |
167 return NGX_CONF_ERROR; | |
168 } | |
169 | |
170 *c = *d; | |
171 } | |
172 } | |
173 | |
1136 | 174 size = sizeof("* CAPABILITY" CRLF) - 1; |
527 | 175 |
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176 c = conf->capabilities.elts; |
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177 for (i = 0; i < conf->capabilities.nelts; i++) { |
527 | 178 size += 1 + c[i].len; |
179 } | |
180 | |
1323 | 181 for (m = NGX_MAIL_AUTH_PLAIN_ENABLED, i = 0; |
182 m <= NGX_MAIL_AUTH_CRAM_MD5_ENABLED; | |
183 m <<= 1, i++) | |
184 { | |
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185 if (m & conf->auth_methods) { |
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186 size += 1 + ngx_mail_imap_auth_methods_names[i].len; |
1323 | 187 } |
188 } | |
189 | |
2049 | 190 p = ngx_pnalloc(cf->pool, size); |
583 | 191 if (p == NULL) { |
192 return NGX_CONF_ERROR; | |
193 } | |
194 | |
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195 conf->capability.len = size; |
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196 conf->capability.data = p; |
583 | 197 |
198 p = ngx_cpymem(p, "* CAPABILITY", sizeof("* CAPABILITY") - 1); | |
199 | |
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200 for (i = 0; i < conf->capabilities.nelts; i++) { |
583 | 201 *p++ = ' '; |
202 p = ngx_cpymem(p, c[i].data, c[i].len); | |
203 } | |
204 | |
1323 | 205 auth = p; |
206 | |
207 for (m = NGX_MAIL_AUTH_PLAIN_ENABLED, i = 0; | |
208 m <= NGX_MAIL_AUTH_CRAM_MD5_ENABLED; | |
209 m <<= 1, i++) | |
210 { | |
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211 if (m & conf->auth_methods) { |
1323 | 212 *p++ = ' '; |
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213 p = ngx_cpymem(p, ngx_mail_imap_auth_methods_names[i].data, |
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ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1481
diff
changeset
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214 ngx_mail_imap_auth_methods_names[i].len); |
1323 | 215 } |
216 } | |
217 | |
583 | 218 *p++ = CR; *p = LF; |
219 | |
220 | |
221 size += sizeof(" STARTTLS") - 1; | |
222 | |
2049 | 223 p = ngx_pnalloc(cf->pool, size); |
583 | 224 if (p == NULL) { |
527 | 225 return NGX_CONF_ERROR; |
226 } | |
227 | |
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parents:
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228 conf->starttls_capability.len = size; |
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ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
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changeset
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229 conf->starttls_capability.data = p; |
527 | 230 |
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ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1481
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changeset
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231 p = ngx_cpymem(p, conf->capability.data, |
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ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1481
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changeset
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232 conf->capability.len - (sizeof(CRLF) - 1)); |
583 | 233 p = ngx_cpymem(p, " STARTTLS", sizeof(" STARTTLS") - 1); |
234 *p++ = CR; *p = LF; | |
235 | |
236 | |
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ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1481
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changeset
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237 size = (auth - conf->capability.data) + sizeof(CRLF) - 1 |
1323 | 238 + sizeof(" STARTTLS LOGINDISABLED") - 1; |
583 | 239 |
2049 | 240 p = ngx_pnalloc(cf->pool, size); |
583 | 241 if (p == NULL) { |
242 return NGX_CONF_ERROR; | |
527 | 243 } |
244 | |
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ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1481
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changeset
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245 conf->starttls_only_capability.len = size; |
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ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1481
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changeset
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246 conf->starttls_only_capability.data = p; |
527 | 247 |
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ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1481
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changeset
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248 p = ngx_cpymem(p, conf->capability.data, |
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1481
diff
changeset
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249 auth - conf->capability.data); |
1323 | 250 p = ngx_cpymem(p, " STARTTLS LOGINDISABLED", |
251 sizeof(" STARTTLS LOGINDISABLED") - 1); | |
583 | 252 *p++ = CR; *p = LF; |
253 | |
521 | 254 return NGX_CONF_OK; |
255 } |