Mercurial > hg > nginx-quic
annotate src/stream/ngx_stream_ssl_module.c @ 7091:82f0b8dcca27
SSL: the $ssl_client_escaped_cert variable (ticket #857).
This variable contains URL-encoded client SSL certificate. In contrast
to $ssl_client_cert, it doesn't depend on deprecated header continuation.
The NGX_ESCAPE_URI_COMPONENT variant of encoding is used, so the resulting
variable can be safely used not only in headers, but also as a request
argument.
The $ssl_client_cert variable should be considered deprecated now.
The $ssl_client_raw_cert variable will be eventually renambed back
to $ssl_client_cert.
author | Maxim Dounin <mdounin@mdounin.ru> |
---|---|
date | Tue, 22 Aug 2017 15:18:10 +0300 |
parents | 2a288909abc6 |
children | 9d14931cec8c |
rev | line source |
---|---|
6115 | 1 |
2 /* | |
3 * Copyright (C) Igor Sysoev | |
4 * Copyright (C) Nginx, Inc. | |
5 */ | |
6 | |
7 | |
8 #include <ngx_config.h> | |
9 #include <ngx_core.h> | |
10 #include <ngx_stream.h> | |
11 | |
12 | |
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13 typedef ngx_int_t (*ngx_ssl_variable_handler_pt)(ngx_connection_t *c, |
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14 ngx_pool_t *pool, ngx_str_t *s); |
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15 |
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16 |
6115 | 17 #define NGX_DEFAULT_CIPHERS "HIGH:!aNULL:!MD5" |
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18 #define NGX_DEFAULT_ECDH_CURVE "auto" |
6115 | 19 |
20 | |
6693 | 21 static ngx_int_t ngx_stream_ssl_handler(ngx_stream_session_t *s); |
22 static ngx_int_t ngx_stream_ssl_init_connection(ngx_ssl_t *ssl, | |
23 ngx_connection_t *c); | |
24 static void ngx_stream_ssl_handshake_handler(ngx_connection_t *c); | |
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25 static ngx_int_t ngx_stream_ssl_static_variable(ngx_stream_session_t *s, |
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26 ngx_stream_variable_value_t *v, uintptr_t data); |
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27 static ngx_int_t ngx_stream_ssl_variable(ngx_stream_session_t *s, |
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28 ngx_stream_variable_value_t *v, uintptr_t data); |
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29 |
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30 static ngx_int_t ngx_stream_ssl_add_variables(ngx_conf_t *cf); |
6115 | 31 static void *ngx_stream_ssl_create_conf(ngx_conf_t *cf); |
32 static char *ngx_stream_ssl_merge_conf(ngx_conf_t *cf, void *parent, | |
33 void *child); | |
34 | |
35 static char *ngx_stream_ssl_password_file(ngx_conf_t *cf, ngx_command_t *cmd, | |
36 void *conf); | |
37 static char *ngx_stream_ssl_session_cache(ngx_conf_t *cf, ngx_command_t *cmd, | |
38 void *conf); | |
6693 | 39 static ngx_int_t ngx_stream_ssl_init(ngx_conf_t *cf); |
6115 | 40 |
41 | |
42 static ngx_conf_bitmask_t ngx_stream_ssl_protocols[] = { | |
43 { ngx_string("SSLv2"), NGX_SSL_SSLv2 }, | |
44 { ngx_string("SSLv3"), NGX_SSL_SSLv3 }, | |
45 { ngx_string("TLSv1"), NGX_SSL_TLSv1 }, | |
46 { ngx_string("TLSv1.1"), NGX_SSL_TLSv1_1 }, | |
47 { ngx_string("TLSv1.2"), NGX_SSL_TLSv1_2 }, | |
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48 { ngx_string("TLSv1.3"), NGX_SSL_TLSv1_3 }, |
6115 | 49 { ngx_null_string, 0 } |
50 }; | |
51 | |
52 | |
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53 static ngx_conf_enum_t ngx_stream_ssl_verify[] = { |
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54 { ngx_string("off"), 0 }, |
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55 { ngx_string("on"), 1 }, |
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56 { ngx_string("optional"), 2 }, |
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57 { ngx_string("optional_no_ca"), 3 }, |
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58 { ngx_null_string, 0 } |
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59 }; |
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60 |
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61 |
6115 | 62 static ngx_command_t ngx_stream_ssl_commands[] = { |
63 | |
64 { ngx_string("ssl_handshake_timeout"), | |
65 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
66 ngx_conf_set_msec_slot, | |
67 NGX_STREAM_SRV_CONF_OFFSET, | |
68 offsetof(ngx_stream_ssl_conf_t, handshake_timeout), | |
69 NULL }, | |
70 | |
71 { ngx_string("ssl_certificate"), | |
72 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
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73 ngx_conf_set_str_array_slot, |
6115 | 74 NGX_STREAM_SRV_CONF_OFFSET, |
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75 offsetof(ngx_stream_ssl_conf_t, certificates), |
6115 | 76 NULL }, |
77 | |
78 { ngx_string("ssl_certificate_key"), | |
79 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
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80 ngx_conf_set_str_array_slot, |
6115 | 81 NGX_STREAM_SRV_CONF_OFFSET, |
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82 offsetof(ngx_stream_ssl_conf_t, certificate_keys), |
6115 | 83 NULL }, |
84 | |
85 { ngx_string("ssl_password_file"), | |
86 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
87 ngx_stream_ssl_password_file, | |
88 NGX_STREAM_SRV_CONF_OFFSET, | |
89 0, | |
90 NULL }, | |
91 | |
92 { ngx_string("ssl_dhparam"), | |
93 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
94 ngx_conf_set_str_slot, | |
95 NGX_STREAM_SRV_CONF_OFFSET, | |
96 offsetof(ngx_stream_ssl_conf_t, dhparam), | |
97 NULL }, | |
98 | |
99 { ngx_string("ssl_ecdh_curve"), | |
100 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
101 ngx_conf_set_str_slot, | |
102 NGX_STREAM_SRV_CONF_OFFSET, | |
103 offsetof(ngx_stream_ssl_conf_t, ecdh_curve), | |
104 NULL }, | |
105 | |
106 { ngx_string("ssl_protocols"), | |
107 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_1MORE, | |
108 ngx_conf_set_bitmask_slot, | |
109 NGX_STREAM_SRV_CONF_OFFSET, | |
110 offsetof(ngx_stream_ssl_conf_t, protocols), | |
111 &ngx_stream_ssl_protocols }, | |
112 | |
113 { ngx_string("ssl_ciphers"), | |
114 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
115 ngx_conf_set_str_slot, | |
116 NGX_STREAM_SRV_CONF_OFFSET, | |
117 offsetof(ngx_stream_ssl_conf_t, ciphers), | |
118 NULL }, | |
119 | |
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120 { ngx_string("ssl_verify_client"), |
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121 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, |
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122 ngx_conf_set_enum_slot, |
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123 NGX_STREAM_SRV_CONF_OFFSET, |
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124 offsetof(ngx_stream_ssl_conf_t, verify), |
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125 &ngx_stream_ssl_verify }, |
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126 |
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127 { ngx_string("ssl_verify_depth"), |
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128 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, |
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129 ngx_conf_set_num_slot, |
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130 NGX_STREAM_SRV_CONF_OFFSET, |
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131 offsetof(ngx_stream_ssl_conf_t, verify_depth), |
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132 NULL }, |
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133 |
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134 { ngx_string("ssl_client_certificate"), |
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135 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, |
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136 ngx_conf_set_str_slot, |
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137 NGX_STREAM_SRV_CONF_OFFSET, |
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138 offsetof(ngx_stream_ssl_conf_t, client_certificate), |
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139 NULL }, |
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140 |
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141 { ngx_string("ssl_trusted_certificate"), |
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142 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, |
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143 ngx_conf_set_str_slot, |
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144 NGX_STREAM_SRV_CONF_OFFSET, |
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145 offsetof(ngx_stream_ssl_conf_t, trusted_certificate), |
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146 NULL }, |
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147 |
6115 | 148 { ngx_string("ssl_prefer_server_ciphers"), |
149 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_FLAG, | |
150 ngx_conf_set_flag_slot, | |
151 NGX_STREAM_SRV_CONF_OFFSET, | |
152 offsetof(ngx_stream_ssl_conf_t, prefer_server_ciphers), | |
153 NULL }, | |
154 | |
155 { ngx_string("ssl_session_cache"), | |
156 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE12, | |
157 ngx_stream_ssl_session_cache, | |
158 NGX_STREAM_SRV_CONF_OFFSET, | |
159 0, | |
160 NULL }, | |
161 | |
162 { ngx_string("ssl_session_tickets"), | |
163 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_FLAG, | |
164 ngx_conf_set_flag_slot, | |
165 NGX_STREAM_SRV_CONF_OFFSET, | |
166 offsetof(ngx_stream_ssl_conf_t, session_tickets), | |
167 NULL }, | |
168 | |
169 { ngx_string("ssl_session_ticket_key"), | |
170 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
171 ngx_conf_set_str_array_slot, | |
172 NGX_STREAM_SRV_CONF_OFFSET, | |
173 offsetof(ngx_stream_ssl_conf_t, session_ticket_keys), | |
174 NULL }, | |
175 | |
176 { ngx_string("ssl_session_timeout"), | |
177 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
178 ngx_conf_set_sec_slot, | |
179 NGX_STREAM_SRV_CONF_OFFSET, | |
180 offsetof(ngx_stream_ssl_conf_t, session_timeout), | |
181 NULL }, | |
182 | |
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183 { ngx_string("ssl_crl"), |
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184 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, |
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185 ngx_conf_set_str_slot, |
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186 NGX_STREAM_SRV_CONF_OFFSET, |
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187 offsetof(ngx_stream_ssl_conf_t, crl), |
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188 NULL }, |
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189 |
6115 | 190 ngx_null_command |
191 }; | |
192 | |
193 | |
194 static ngx_stream_module_t ngx_stream_ssl_module_ctx = { | |
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195 ngx_stream_ssl_add_variables, /* preconfiguration */ |
6693 | 196 ngx_stream_ssl_init, /* postconfiguration */ |
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197 |
6115 | 198 NULL, /* create main configuration */ |
199 NULL, /* init main configuration */ | |
200 | |
201 ngx_stream_ssl_create_conf, /* create server configuration */ | |
202 ngx_stream_ssl_merge_conf /* merge server configuration */ | |
203 }; | |
204 | |
205 | |
206 ngx_module_t ngx_stream_ssl_module = { | |
207 NGX_MODULE_V1, | |
208 &ngx_stream_ssl_module_ctx, /* module context */ | |
209 ngx_stream_ssl_commands, /* module directives */ | |
210 NGX_STREAM_MODULE, /* module type */ | |
211 NULL, /* init master */ | |
212 NULL, /* init module */ | |
213 NULL, /* init process */ | |
214 NULL, /* init thread */ | |
215 NULL, /* exit thread */ | |
216 NULL, /* exit process */ | |
217 NULL, /* exit master */ | |
218 NGX_MODULE_V1_PADDING | |
219 }; | |
220 | |
221 | |
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222 static ngx_stream_variable_t ngx_stream_ssl_vars[] = { |
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223 |
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224 { ngx_string("ssl_protocol"), NULL, ngx_stream_ssl_static_variable, |
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225 (uintptr_t) ngx_ssl_get_protocol, NGX_STREAM_VAR_CHANGEABLE, 0 }, |
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226 |
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227 { ngx_string("ssl_cipher"), NULL, ngx_stream_ssl_static_variable, |
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228 (uintptr_t) ngx_ssl_get_cipher_name, NGX_STREAM_VAR_CHANGEABLE, 0 }, |
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229 |
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230 { ngx_string("ssl_ciphers"), NULL, ngx_stream_ssl_variable, |
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231 (uintptr_t) ngx_ssl_get_ciphers, NGX_STREAM_VAR_CHANGEABLE, 0 }, |
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232 |
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233 { ngx_string("ssl_curves"), NULL, ngx_stream_ssl_variable, |
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234 (uintptr_t) ngx_ssl_get_curves, NGX_STREAM_VAR_CHANGEABLE, 0 }, |
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235 |
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236 { ngx_string("ssl_session_id"), NULL, ngx_stream_ssl_variable, |
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237 (uintptr_t) ngx_ssl_get_session_id, NGX_STREAM_VAR_CHANGEABLE, 0 }, |
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238 |
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239 { ngx_string("ssl_session_reused"), NULL, ngx_stream_ssl_variable, |
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240 (uintptr_t) ngx_ssl_get_session_reused, NGX_STREAM_VAR_CHANGEABLE, 0 }, |
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241 |
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242 { ngx_string("ssl_server_name"), NULL, ngx_stream_ssl_variable, |
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243 (uintptr_t) ngx_ssl_get_server_name, NGX_STREAM_VAR_CHANGEABLE, 0 }, |
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244 |
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245 { ngx_string("ssl_client_cert"), NULL, ngx_stream_ssl_variable, |
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246 (uintptr_t) ngx_ssl_get_certificate, NGX_STREAM_VAR_CHANGEABLE, 0 }, |
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247 |
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248 { ngx_string("ssl_client_raw_cert"), NULL, ngx_stream_ssl_variable, |
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249 (uintptr_t) ngx_ssl_get_raw_certificate, |
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250 NGX_STREAM_VAR_CHANGEABLE, 0 }, |
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251 |
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252 { ngx_string("ssl_client_escaped_cert"), NULL, ngx_stream_ssl_variable, |
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253 (uintptr_t) ngx_ssl_get_escaped_certificate, |
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254 NGX_STREAM_VAR_CHANGEABLE, 0 }, |
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255 |
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256 { ngx_string("ssl_client_s_dn"), NULL, ngx_stream_ssl_variable, |
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257 (uintptr_t) ngx_ssl_get_subject_dn, NGX_STREAM_VAR_CHANGEABLE, 0 }, |
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258 |
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259 { ngx_string("ssl_client_i_dn"), NULL, ngx_stream_ssl_variable, |
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260 (uintptr_t) ngx_ssl_get_issuer_dn, NGX_STREAM_VAR_CHANGEABLE, 0 }, |
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261 |
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262 { ngx_string("ssl_client_serial"), NULL, ngx_stream_ssl_variable, |
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263 (uintptr_t) ngx_ssl_get_serial_number, NGX_STREAM_VAR_CHANGEABLE, 0 }, |
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264 |
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265 { ngx_string("ssl_client_fingerprint"), NULL, ngx_stream_ssl_variable, |
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266 (uintptr_t) ngx_ssl_get_fingerprint, NGX_STREAM_VAR_CHANGEABLE, 0 }, |
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267 |
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268 { ngx_string("ssl_client_verify"), NULL, ngx_stream_ssl_variable, |
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269 (uintptr_t) ngx_ssl_get_client_verify, NGX_STREAM_VAR_CHANGEABLE, 0 }, |
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270 |
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271 { ngx_string("ssl_client_v_start"), NULL, ngx_stream_ssl_variable, |
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272 (uintptr_t) ngx_ssl_get_client_v_start, NGX_STREAM_VAR_CHANGEABLE, 0 }, |
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273 |
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274 { ngx_string("ssl_client_v_end"), NULL, ngx_stream_ssl_variable, |
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275 (uintptr_t) ngx_ssl_get_client_v_end, NGX_STREAM_VAR_CHANGEABLE, 0 }, |
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276 |
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277 { ngx_string("ssl_client_v_remain"), NULL, ngx_stream_ssl_variable, |
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278 (uintptr_t) ngx_ssl_get_client_v_remain, NGX_STREAM_VAR_CHANGEABLE, 0 }, |
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279 |
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|
280 ngx_stream_null_variable |
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281 }; |
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282 |
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283 |
6115 | 284 static ngx_str_t ngx_stream_ssl_sess_id_ctx = ngx_string("STREAM"); |
285 | |
286 | |
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287 static ngx_int_t |
6693 | 288 ngx_stream_ssl_handler(ngx_stream_session_t *s) |
289 { | |
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290 long rc; |
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291 X509 *cert; |
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292 ngx_int_t rv; |
6693 | 293 ngx_connection_t *c; |
294 ngx_stream_ssl_conf_t *sslcf; | |
295 | |
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296 if (!s->ssl) { |
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297 return NGX_OK; |
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298 } |
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299 |
6693 | 300 c = s->connection; |
301 | |
302 sslcf = ngx_stream_get_module_srv_conf(s, ngx_stream_ssl_module); | |
303 | |
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304 if (c->ssl == NULL) { |
6693 | 305 c->log->action = "SSL handshaking"; |
306 | |
307 if (sslcf->ssl.ctx == NULL) { | |
308 ngx_log_error(NGX_LOG_ERR, c->log, 0, | |
309 "no \"ssl_certificate\" is defined " | |
310 "in server listening on SSL port"); | |
311 return NGX_ERROR; | |
312 } | |
313 | |
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314 rv = ngx_stream_ssl_init_connection(&sslcf->ssl, c); |
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315 |
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316 if (rv != NGX_OK) { |
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317 return rv; |
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318 } |
6693 | 319 } |
320 | |
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321 if (sslcf->verify) { |
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322 rc = SSL_get_verify_result(c->ssl->connection); |
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323 |
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324 if (rc != X509_V_OK |
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325 && (sslcf->verify != 3 || !ngx_ssl_verify_error_optional(rc))) |
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|
326 { |
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327 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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328 "client SSL certificate verify error: (%l:%s)", |
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329 rc, X509_verify_cert_error_string(rc)); |
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330 |
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331 ngx_ssl_remove_cached_session(sslcf->ssl.ctx, |
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|
332 (SSL_get0_session(c->ssl->connection))); |
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333 return NGX_ERROR; |
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|
334 } |
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335 |
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|
336 if (sslcf->verify == 1) { |
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337 cert = SSL_get_peer_certificate(c->ssl->connection); |
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338 |
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339 if (cert == NULL) { |
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340 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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|
341 "client sent no required SSL certificate"); |
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Stream: client SSL certificates verification support.
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342 |
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343 ngx_ssl_remove_cached_session(sslcf->ssl.ctx, |
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344 (SSL_get0_session(c->ssl->connection))); |
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345 return NGX_ERROR; |
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346 } |
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347 |
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348 X509_free(cert); |
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349 } |
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350 } |
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351 |
6693 | 352 return NGX_OK; |
353 } | |
354 | |
355 | |
356 static ngx_int_t | |
357 ngx_stream_ssl_init_connection(ngx_ssl_t *ssl, ngx_connection_t *c) | |
358 { | |
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|
359 ngx_int_t rc; |
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360 ngx_stream_session_t *s; |
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361 ngx_stream_ssl_conf_t *sslcf; |
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|
362 ngx_stream_core_srv_conf_t *cscf; |
6693 | 363 |
364 s = c->data; | |
365 | |
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366 cscf = ngx_stream_get_module_srv_conf(s, ngx_stream_core_module); |
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367 |
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368 if (cscf->tcp_nodelay && ngx_tcp_nodelay(c) != NGX_OK) { |
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369 return NGX_ERROR; |
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370 } |
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371 |
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Style: changed checks of ngx_ssl_create_connection() to != NGX_OK.
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|
372 if (ngx_ssl_create_connection(ssl, c, 0) != NGX_OK) { |
6693 | 373 return NGX_ERROR; |
374 } | |
375 | |
376 rc = ngx_ssl_handshake(c); | |
377 | |
378 if (rc == NGX_ERROR) { | |
379 return NGX_ERROR; | |
380 } | |
381 | |
382 if (rc == NGX_AGAIN) { | |
383 sslcf = ngx_stream_get_module_srv_conf(s, ngx_stream_ssl_module); | |
384 | |
385 ngx_add_timer(c->read, sslcf->handshake_timeout); | |
386 | |
387 c->ssl->handler = ngx_stream_ssl_handshake_handler; | |
388 | |
389 return NGX_AGAIN; | |
390 } | |
391 | |
392 /* rc == NGX_OK */ | |
393 | |
394 return NGX_OK; | |
395 } | |
396 | |
397 | |
398 static void | |
399 ngx_stream_ssl_handshake_handler(ngx_connection_t *c) | |
400 { | |
401 ngx_stream_session_t *s; | |
402 | |
403 s = c->data; | |
404 | |
405 if (!c->ssl->handshaked) { | |
406 ngx_stream_finalize_session(s, NGX_STREAM_INTERNAL_SERVER_ERROR); | |
407 return; | |
408 } | |
409 | |
410 if (c->read->timer_set) { | |
411 ngx_del_timer(c->read); | |
412 } | |
413 | |
414 ngx_stream_core_run_phases(s); | |
415 } | |
416 | |
417 | |
418 static ngx_int_t | |
6611
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419 ngx_stream_ssl_static_variable(ngx_stream_session_t *s, |
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diff
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420 ngx_stream_variable_value_t *v, uintptr_t data) |
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Stream: SSL-related variables.
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diff
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|
421 { |
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Stream: SSL-related variables.
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diff
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|
422 ngx_ssl_variable_handler_pt handler = (ngx_ssl_variable_handler_pt) data; |
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Stream: SSL-related variables.
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diff
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|
423 |
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Stream: SSL-related variables.
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diff
changeset
|
424 size_t len; |
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Stream: SSL-related variables.
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diff
changeset
|
425 ngx_str_t str; |
85e7bcb37d6b
Stream: SSL-related variables.
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diff
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|
426 |
85e7bcb37d6b
Stream: SSL-related variables.
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parents:
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diff
changeset
|
427 if (s->connection->ssl) { |
85e7bcb37d6b
Stream: SSL-related variables.
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parents:
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diff
changeset
|
428 |
85e7bcb37d6b
Stream: SSL-related variables.
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diff
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|
429 (void) handler(s->connection, NULL, &str); |
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Stream: SSL-related variables.
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diff
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|
430 |
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Stream: SSL-related variables.
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diff
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431 v->data = str.data; |
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Stream: SSL-related variables.
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diff
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|
432 |
85e7bcb37d6b
Stream: SSL-related variables.
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diff
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|
433 for (len = 0; v->data[len]; len++) { /* void */ } |
85e7bcb37d6b
Stream: SSL-related variables.
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diff
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|
434 |
85e7bcb37d6b
Stream: SSL-related variables.
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parents:
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diff
changeset
|
435 v->len = len; |
85e7bcb37d6b
Stream: SSL-related variables.
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parents:
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diff
changeset
|
436 v->valid = 1; |
85e7bcb37d6b
Stream: SSL-related variables.
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parents:
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diff
changeset
|
437 v->no_cacheable = 0; |
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Stream: SSL-related variables.
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diff
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|
438 v->not_found = 0; |
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Stream: SSL-related variables.
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parents:
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diff
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|
439 |
85e7bcb37d6b
Stream: SSL-related variables.
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diff
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|
440 return NGX_OK; |
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diff
changeset
|
441 } |
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Stream: SSL-related variables.
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parents:
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diff
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|
442 |
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Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
443 v->not_found = 1; |
85e7bcb37d6b
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diff
changeset
|
444 |
85e7bcb37d6b
Stream: SSL-related variables.
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parents:
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diff
changeset
|
445 return NGX_OK; |
85e7bcb37d6b
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parents:
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diff
changeset
|
446 } |
85e7bcb37d6b
Stream: SSL-related variables.
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parents:
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diff
changeset
|
447 |
85e7bcb37d6b
Stream: SSL-related variables.
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diff
changeset
|
448 |
85e7bcb37d6b
Stream: SSL-related variables.
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diff
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|
449 static ngx_int_t |
85e7bcb37d6b
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diff
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|
450 ngx_stream_ssl_variable(ngx_stream_session_t *s, |
85e7bcb37d6b
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diff
changeset
|
451 ngx_stream_variable_value_t *v, uintptr_t data) |
85e7bcb37d6b
Stream: SSL-related variables.
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diff
changeset
|
452 { |
85e7bcb37d6b
Stream: SSL-related variables.
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diff
changeset
|
453 ngx_ssl_variable_handler_pt handler = (ngx_ssl_variable_handler_pt) data; |
85e7bcb37d6b
Stream: SSL-related variables.
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parents:
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diff
changeset
|
454 |
85e7bcb37d6b
Stream: SSL-related variables.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
455 ngx_str_t str; |
85e7bcb37d6b
Stream: SSL-related variables.
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parents:
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diff
changeset
|
456 |
85e7bcb37d6b
Stream: SSL-related variables.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
457 if (s->connection->ssl) { |
85e7bcb37d6b
Stream: SSL-related variables.
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parents:
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diff
changeset
|
458 |
85e7bcb37d6b
Stream: SSL-related variables.
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parents:
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diff
changeset
|
459 if (handler(s->connection, s->connection->pool, &str) != NGX_OK) { |
85e7bcb37d6b
Stream: SSL-related variables.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
460 return NGX_ERROR; |
85e7bcb37d6b
Stream: SSL-related variables.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
461 } |
85e7bcb37d6b
Stream: SSL-related variables.
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parents:
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diff
changeset
|
462 |
85e7bcb37d6b
Stream: SSL-related variables.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
463 v->len = str.len; |
85e7bcb37d6b
Stream: SSL-related variables.
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diff
changeset
|
464 v->data = str.data; |
85e7bcb37d6b
Stream: SSL-related variables.
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diff
changeset
|
465 |
85e7bcb37d6b
Stream: SSL-related variables.
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parents:
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diff
changeset
|
466 if (v->len) { |
85e7bcb37d6b
Stream: SSL-related variables.
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diff
changeset
|
467 v->valid = 1; |
85e7bcb37d6b
Stream: SSL-related variables.
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parents:
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diff
changeset
|
468 v->no_cacheable = 0; |
85e7bcb37d6b
Stream: SSL-related variables.
Vladimir Homutov <vl@nginx.com>
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diff
changeset
|
469 v->not_found = 0; |
85e7bcb37d6b
Stream: SSL-related variables.
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diff
changeset
|
470 |
85e7bcb37d6b
Stream: SSL-related variables.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
471 return NGX_OK; |
85e7bcb37d6b
Stream: SSL-related variables.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
472 } |
85e7bcb37d6b
Stream: SSL-related variables.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
473 } |
85e7bcb37d6b
Stream: SSL-related variables.
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parents:
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diff
changeset
|
474 |
85e7bcb37d6b
Stream: SSL-related variables.
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diff
changeset
|
475 v->not_found = 1; |
85e7bcb37d6b
Stream: SSL-related variables.
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parents:
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diff
changeset
|
476 |
85e7bcb37d6b
Stream: SSL-related variables.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
477 return NGX_OK; |
85e7bcb37d6b
Stream: SSL-related variables.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
478 } |
85e7bcb37d6b
Stream: SSL-related variables.
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parents:
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diff
changeset
|
479 |
85e7bcb37d6b
Stream: SSL-related variables.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
480 |
85e7bcb37d6b
Stream: SSL-related variables.
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parents:
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diff
changeset
|
481 static ngx_int_t |
85e7bcb37d6b
Stream: SSL-related variables.
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diff
changeset
|
482 ngx_stream_ssl_add_variables(ngx_conf_t *cf) |
85e7bcb37d6b
Stream: SSL-related variables.
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parents:
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diff
changeset
|
483 { |
85e7bcb37d6b
Stream: SSL-related variables.
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parents:
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diff
changeset
|
484 ngx_stream_variable_t *var, *v; |
85e7bcb37d6b
Stream: SSL-related variables.
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parents:
6606
diff
changeset
|
485 |
85e7bcb37d6b
Stream: SSL-related variables.
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parents:
6606
diff
changeset
|
486 for (v = ngx_stream_ssl_vars; v->name.len; v++) { |
85e7bcb37d6b
Stream: SSL-related variables.
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parents:
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diff
changeset
|
487 var = ngx_stream_add_variable(cf, &v->name, v->flags); |
85e7bcb37d6b
Stream: SSL-related variables.
Vladimir Homutov <vl@nginx.com>
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diff
changeset
|
488 if (var == NULL) { |
85e7bcb37d6b
Stream: SSL-related variables.
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parents:
6606
diff
changeset
|
489 return NGX_ERROR; |
85e7bcb37d6b
Stream: SSL-related variables.
Vladimir Homutov <vl@nginx.com>
parents:
6606
diff
changeset
|
490 } |
85e7bcb37d6b
Stream: SSL-related variables.
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parents:
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diff
changeset
|
491 |
85e7bcb37d6b
Stream: SSL-related variables.
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parents:
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diff
changeset
|
492 var->get_handler = v->get_handler; |
85e7bcb37d6b
Stream: SSL-related variables.
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diff
changeset
|
493 var->data = v->data; |
85e7bcb37d6b
Stream: SSL-related variables.
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parents:
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diff
changeset
|
494 } |
85e7bcb37d6b
Stream: SSL-related variables.
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parents:
6606
diff
changeset
|
495 |
85e7bcb37d6b
Stream: SSL-related variables.
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parents:
6606
diff
changeset
|
496 return NGX_OK; |
85e7bcb37d6b
Stream: SSL-related variables.
Vladimir Homutov <vl@nginx.com>
parents:
6606
diff
changeset
|
497 } |
85e7bcb37d6b
Stream: SSL-related variables.
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parents:
6606
diff
changeset
|
498 |
85e7bcb37d6b
Stream: SSL-related variables.
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parents:
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diff
changeset
|
499 |
6115 | 500 static void * |
501 ngx_stream_ssl_create_conf(ngx_conf_t *cf) | |
502 { | |
503 ngx_stream_ssl_conf_t *scf; | |
504 | |
505 scf = ngx_pcalloc(cf->pool, sizeof(ngx_stream_ssl_conf_t)); | |
506 if (scf == NULL) { | |
507 return NULL; | |
508 } | |
509 | |
510 /* | |
511 * set by ngx_pcalloc(): | |
512 * | |
513 * scf->protocols = 0; | |
514 * scf->dhparam = { 0, NULL }; | |
515 * scf->ecdh_curve = { 0, NULL }; | |
6850
41cb1b64561d
Stream: client SSL certificates verification support.
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6817
diff
changeset
|
516 * scf->client_certificate = { 0, NULL }; |
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Stream: client SSL certificates verification support.
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diff
changeset
|
517 * scf->trusted_certificate = { 0, NULL }; |
41cb1b64561d
Stream: client SSL certificates verification support.
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diff
changeset
|
518 * scf->crl = { 0, NULL }; |
6115 | 519 * scf->ciphers = { 0, NULL }; |
520 * scf->shm_zone = NULL; | |
521 */ | |
522 | |
523 scf->handshake_timeout = NGX_CONF_UNSET_MSEC; | |
6550
51e1f047d15d
SSL: support for multiple certificates (ticket #814).
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parents:
6489
diff
changeset
|
524 scf->certificates = NGX_CONF_UNSET_PTR; |
51e1f047d15d
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6489
diff
changeset
|
525 scf->certificate_keys = NGX_CONF_UNSET_PTR; |
6115 | 526 scf->passwords = NGX_CONF_UNSET_PTR; |
527 scf->prefer_server_ciphers = NGX_CONF_UNSET; | |
6850
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parents:
6817
diff
changeset
|
528 scf->verify = NGX_CONF_UNSET_UINT; |
41cb1b64561d
Stream: client SSL certificates verification support.
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parents:
6817
diff
changeset
|
529 scf->verify_depth = NGX_CONF_UNSET_UINT; |
6115 | 530 scf->builtin_session_cache = NGX_CONF_UNSET; |
531 scf->session_timeout = NGX_CONF_UNSET; | |
532 scf->session_tickets = NGX_CONF_UNSET; | |
533 scf->session_ticket_keys = NGX_CONF_UNSET_PTR; | |
534 | |
535 return scf; | |
536 } | |
537 | |
538 | |
539 static char * | |
540 ngx_stream_ssl_merge_conf(ngx_conf_t *cf, void *parent, void *child) | |
541 { | |
542 ngx_stream_ssl_conf_t *prev = parent; | |
543 ngx_stream_ssl_conf_t *conf = child; | |
544 | |
545 ngx_pool_cleanup_t *cln; | |
546 | |
547 ngx_conf_merge_msec_value(conf->handshake_timeout, | |
548 prev->handshake_timeout, 60000); | |
549 | |
550 ngx_conf_merge_value(conf->session_timeout, | |
551 prev->session_timeout, 300); | |
552 | |
553 ngx_conf_merge_value(conf->prefer_server_ciphers, | |
554 prev->prefer_server_ciphers, 0); | |
555 | |
556 ngx_conf_merge_bitmask_value(conf->protocols, prev->protocols, | |
6157
b2899e7d0ef8
Disabled SSLv3 by default (ticket #653).
Maxim Dounin <mdounin@mdounin.ru>
parents:
6115
diff
changeset
|
557 (NGX_CONF_BITMASK_SET|NGX_SSL_TLSv1 |
6115 | 558 |NGX_SSL_TLSv1_1|NGX_SSL_TLSv1_2)); |
559 | |
6850
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Stream: client SSL certificates verification support.
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parents:
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diff
changeset
|
560 ngx_conf_merge_uint_value(conf->verify, prev->verify, 0); |
41cb1b64561d
Stream: client SSL certificates verification support.
Vladimir Homutov <vl@nginx.com>
parents:
6817
diff
changeset
|
561 ngx_conf_merge_uint_value(conf->verify_depth, prev->verify_depth, 1); |
41cb1b64561d
Stream: client SSL certificates verification support.
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parents:
6817
diff
changeset
|
562 |
6550
51e1f047d15d
SSL: support for multiple certificates (ticket #814).
Maxim Dounin <mdounin@mdounin.ru>
parents:
6489
diff
changeset
|
563 ngx_conf_merge_ptr_value(conf->certificates, prev->certificates, NULL); |
51e1f047d15d
SSL: support for multiple certificates (ticket #814).
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parents:
6489
diff
changeset
|
564 ngx_conf_merge_ptr_value(conf->certificate_keys, prev->certificate_keys, |
51e1f047d15d
SSL: support for multiple certificates (ticket #814).
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parents:
6489
diff
changeset
|
565 NULL); |
6115 | 566 |
567 ngx_conf_merge_ptr_value(conf->passwords, prev->passwords, NULL); | |
568 | |
569 ngx_conf_merge_str_value(conf->dhparam, prev->dhparam, ""); | |
570 | |
6850
41cb1b64561d
Stream: client SSL certificates verification support.
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parents:
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diff
changeset
|
571 ngx_conf_merge_str_value(conf->client_certificate, prev->client_certificate, |
41cb1b64561d
Stream: client SSL certificates verification support.
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parents:
6817
diff
changeset
|
572 ""); |
41cb1b64561d
Stream: client SSL certificates verification support.
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parents:
6817
diff
changeset
|
573 ngx_conf_merge_str_value(conf->trusted_certificate, |
41cb1b64561d
Stream: client SSL certificates verification support.
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parents:
6817
diff
changeset
|
574 prev->trusted_certificate, ""); |
41cb1b64561d
Stream: client SSL certificates verification support.
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parents:
6817
diff
changeset
|
575 ngx_conf_merge_str_value(conf->crl, prev->crl, ""); |
41cb1b64561d
Stream: client SSL certificates verification support.
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parents:
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diff
changeset
|
576 |
6115 | 577 ngx_conf_merge_str_value(conf->ecdh_curve, prev->ecdh_curve, |
578 NGX_DEFAULT_ECDH_CURVE); | |
579 | |
580 ngx_conf_merge_str_value(conf->ciphers, prev->ciphers, NGX_DEFAULT_CIPHERS); | |
581 | |
582 | |
583 conf->ssl.log = cf->log; | |
584 | |
6550
51e1f047d15d
SSL: support for multiple certificates (ticket #814).
Maxim Dounin <mdounin@mdounin.ru>
parents:
6489
diff
changeset
|
585 if (conf->certificates == NULL) { |
6115 | 586 return NGX_CONF_OK; |
587 } | |
588 | |
6550
51e1f047d15d
SSL: support for multiple certificates (ticket #814).
Maxim Dounin <mdounin@mdounin.ru>
parents:
6489
diff
changeset
|
589 if (conf->certificate_keys == NULL |
51e1f047d15d
SSL: support for multiple certificates (ticket #814).
Maxim Dounin <mdounin@mdounin.ru>
parents:
6489
diff
changeset
|
590 || conf->certificate_keys->nelts < conf->certificates->nelts) |
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591 { |
6115 | 592 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, |
593 "no \"ssl_certificate_key\" is defined " | |
594 "for certificate \"%V\"", | |
6550
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595 ((ngx_str_t *) conf->certificates->elts) |
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596 + conf->certificates->nelts - 1); |
6115 | 597 return NGX_CONF_ERROR; |
598 } | |
599 | |
600 if (ngx_ssl_create(&conf->ssl, conf->protocols, NULL) != NGX_OK) { | |
601 return NGX_CONF_ERROR; | |
602 } | |
603 | |
604 cln = ngx_pool_cleanup_add(cf->pool, 0); | |
605 if (cln == NULL) { | |
606 return NGX_CONF_ERROR; | |
607 } | |
608 | |
609 cln->handler = ngx_ssl_cleanup_ctx; | |
610 cln->data = &conf->ssl; | |
611 | |
6550
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612 if (ngx_ssl_certificates(cf, &conf->ssl, conf->certificates, |
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613 conf->certificate_keys, conf->passwords) |
6115 | 614 != NGX_OK) |
615 { | |
616 return NGX_CONF_ERROR; | |
617 } | |
618 | |
6591
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619 if (ngx_ssl_ciphers(cf, &conf->ssl, &conf->ciphers, |
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620 conf->prefer_server_ciphers) |
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621 != NGX_OK) |
6115 | 622 { |
623 return NGX_CONF_ERROR; | |
624 } | |
625 | |
6850
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626 if (conf->verify) { |
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627 |
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628 if (conf->client_certificate.len == 0 && conf->verify != 3) { |
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629 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, |
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630 "no ssl_client_certificate for ssl_client_verify"); |
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631 return NGX_CONF_ERROR; |
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632 } |
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633 |
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634 if (ngx_ssl_client_certificate(cf, &conf->ssl, |
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635 &conf->client_certificate, |
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636 conf->verify_depth) |
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637 != NGX_OK) |
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638 { |
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639 return NGX_CONF_ERROR; |
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640 } |
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641 |
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642 if (ngx_ssl_trusted_certificate(cf, &conf->ssl, |
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643 &conf->trusted_certificate, |
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644 conf->verify_depth) |
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645 != NGX_OK) |
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646 { |
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647 return NGX_CONF_ERROR; |
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|
648 } |
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649 |
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650 if (ngx_ssl_crl(cf, &conf->ssl, &conf->crl) != NGX_OK) { |
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651 return NGX_CONF_ERROR; |
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652 } |
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653 } |
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654 |
6115 | 655 if (ngx_ssl_dhparam(cf, &conf->ssl, &conf->dhparam) != NGX_OK) { |
656 return NGX_CONF_ERROR; | |
657 } | |
658 | |
659 if (ngx_ssl_ecdh_curve(cf, &conf->ssl, &conf->ecdh_curve) != NGX_OK) { | |
660 return NGX_CONF_ERROR; | |
661 } | |
662 | |
663 ngx_conf_merge_value(conf->builtin_session_cache, | |
664 prev->builtin_session_cache, NGX_SSL_NONE_SCACHE); | |
665 | |
666 if (conf->shm_zone == NULL) { | |
667 conf->shm_zone = prev->shm_zone; | |
668 } | |
669 | |
670 if (ngx_ssl_session_cache(&conf->ssl, &ngx_stream_ssl_sess_id_ctx, | |
671 conf->builtin_session_cache, | |
672 conf->shm_zone, conf->session_timeout) | |
673 != NGX_OK) | |
674 { | |
675 return NGX_CONF_ERROR; | |
676 } | |
677 | |
678 ngx_conf_merge_value(conf->session_tickets, | |
679 prev->session_tickets, 1); | |
680 | |
681 #ifdef SSL_OP_NO_TICKET | |
682 if (!conf->session_tickets) { | |
683 SSL_CTX_set_options(conf->ssl.ctx, SSL_OP_NO_TICKET); | |
684 } | |
685 #endif | |
686 | |
687 ngx_conf_merge_ptr_value(conf->session_ticket_keys, | |
688 prev->session_ticket_keys, NULL); | |
689 | |
690 if (ngx_ssl_session_ticket_keys(cf, &conf->ssl, conf->session_ticket_keys) | |
691 != NGX_OK) | |
692 { | |
693 return NGX_CONF_ERROR; | |
694 } | |
695 | |
696 return NGX_CONF_OK; | |
697 } | |
698 | |
699 | |
700 static char * | |
701 ngx_stream_ssl_password_file(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
702 { | |
703 ngx_stream_ssl_conf_t *scf = conf; | |
704 | |
705 ngx_str_t *value; | |
706 | |
707 if (scf->passwords != NGX_CONF_UNSET_PTR) { | |
708 return "is duplicate"; | |
709 } | |
710 | |
711 value = cf->args->elts; | |
712 | |
713 scf->passwords = ngx_ssl_read_password_file(cf, &value[1]); | |
714 | |
715 if (scf->passwords == NULL) { | |
716 return NGX_CONF_ERROR; | |
717 } | |
718 | |
719 return NGX_CONF_OK; | |
720 } | |
721 | |
722 | |
723 static char * | |
724 ngx_stream_ssl_session_cache(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
725 { | |
726 ngx_stream_ssl_conf_t *scf = conf; | |
727 | |
728 size_t len; | |
729 ngx_str_t *value, name, size; | |
730 ngx_int_t n; | |
731 ngx_uint_t i, j; | |
732 | |
733 value = cf->args->elts; | |
734 | |
735 for (i = 1; i < cf->args->nelts; i++) { | |
736 | |
737 if (ngx_strcmp(value[i].data, "off") == 0) { | |
738 scf->builtin_session_cache = NGX_SSL_NO_SCACHE; | |
739 continue; | |
740 } | |
741 | |
742 if (ngx_strcmp(value[i].data, "none") == 0) { | |
743 scf->builtin_session_cache = NGX_SSL_NONE_SCACHE; | |
744 continue; | |
745 } | |
746 | |
747 if (ngx_strcmp(value[i].data, "builtin") == 0) { | |
748 scf->builtin_session_cache = NGX_SSL_DFLT_BUILTIN_SCACHE; | |
749 continue; | |
750 } | |
751 | |
752 if (value[i].len > sizeof("builtin:") - 1 | |
753 && ngx_strncmp(value[i].data, "builtin:", sizeof("builtin:") - 1) | |
754 == 0) | |
755 { | |
756 n = ngx_atoi(value[i].data + sizeof("builtin:") - 1, | |
757 value[i].len - (sizeof("builtin:") - 1)); | |
758 | |
759 if (n == NGX_ERROR) { | |
760 goto invalid; | |
761 } | |
762 | |
763 scf->builtin_session_cache = n; | |
764 | |
765 continue; | |
766 } | |
767 | |
768 if (value[i].len > sizeof("shared:") - 1 | |
769 && ngx_strncmp(value[i].data, "shared:", sizeof("shared:") - 1) | |
770 == 0) | |
771 { | |
772 len = 0; | |
773 | |
774 for (j = sizeof("shared:") - 1; j < value[i].len; j++) { | |
775 if (value[i].data[j] == ':') { | |
776 break; | |
777 } | |
778 | |
779 len++; | |
780 } | |
781 | |
782 if (len == 0) { | |
783 goto invalid; | |
784 } | |
785 | |
786 name.len = len; | |
787 name.data = value[i].data + sizeof("shared:") - 1; | |
788 | |
789 size.len = value[i].len - j - 1; | |
790 size.data = name.data + len + 1; | |
791 | |
792 n = ngx_parse_size(&size); | |
793 | |
794 if (n == NGX_ERROR) { | |
795 goto invalid; | |
796 } | |
797 | |
798 if (n < (ngx_int_t) (8 * ngx_pagesize)) { | |
799 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
800 "session cache \"%V\" is too small", | |
801 &value[i]); | |
802 | |
803 return NGX_CONF_ERROR; | |
804 } | |
805 | |
806 scf->shm_zone = ngx_shared_memory_add(cf, &name, n, | |
807 &ngx_stream_ssl_module); | |
808 if (scf->shm_zone == NULL) { | |
809 return NGX_CONF_ERROR; | |
810 } | |
811 | |
812 scf->shm_zone->init = ngx_ssl_session_cache_init; | |
813 | |
814 continue; | |
815 } | |
816 | |
817 goto invalid; | |
818 } | |
819 | |
820 if (scf->shm_zone && scf->builtin_session_cache == NGX_CONF_UNSET) { | |
821 scf->builtin_session_cache = NGX_SSL_NO_BUILTIN_SCACHE; | |
822 } | |
823 | |
824 return NGX_CONF_OK; | |
825 | |
826 invalid: | |
827 | |
828 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
829 "invalid session cache \"%V\"", &value[i]); | |
830 | |
831 return NGX_CONF_ERROR; | |
832 } | |
6693 | 833 |
834 | |
835 static ngx_int_t | |
836 ngx_stream_ssl_init(ngx_conf_t *cf) | |
837 { | |
838 ngx_stream_handler_pt *h; | |
839 ngx_stream_core_main_conf_t *cmcf; | |
840 | |
841 cmcf = ngx_stream_conf_get_module_main_conf(cf, ngx_stream_core_module); | |
842 | |
843 h = ngx_array_push(&cmcf->phases[NGX_STREAM_SSL_PHASE].handlers); | |
844 if (h == NULL) { | |
845 return NGX_ERROR; | |
846 } | |
847 | |
848 *h = ngx_stream_ssl_handler; | |
849 | |
850 return NGX_OK; | |
851 } |