Mercurial > hg > nginx
annotate src/http/modules/ngx_http_mirror_module.c @ 9048:9c427e98d8c1 quic
QUIC: treat qc->error == -1 as a missing error.
Previously, zero was used for this purpose. However, NGX_QUIC_ERR_NO_ERROR is
zero too. As a result, NGX_QUIC_ERR_NO_ERROR was changed to
NGX_QUIC_ERR_INTERNAL_ERROR when closing a QUIC connection.
author | Roman Arutyunyan <arut@nginx.com> |
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date | Wed, 07 Sep 2022 12:37:15 +0400 |
parents | 230d16d35ebc |
children |
rev | line source |
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7072 | 1 |
2 /* | |
3 * Copyright (C) Roman Arutyunyan | |
4 * Copyright (C) Nginx, Inc. | |
5 */ | |
6 | |
7 | |
8 #include <ngx_config.h> | |
9 #include <ngx_core.h> | |
10 #include <ngx_http.h> | |
11 | |
12 | |
13 typedef struct { | |
14 ngx_array_t *mirror; | |
15 ngx_flag_t request_body; | |
16 } ngx_http_mirror_loc_conf_t; | |
17 | |
18 | |
19 typedef struct { | |
20 ngx_int_t status; | |
21 } ngx_http_mirror_ctx_t; | |
22 | |
23 | |
24 static ngx_int_t ngx_http_mirror_handler(ngx_http_request_t *r); | |
25 static void ngx_http_mirror_body_handler(ngx_http_request_t *r); | |
26 static ngx_int_t ngx_http_mirror_handler_internal(ngx_http_request_t *r); | |
27 static void *ngx_http_mirror_create_loc_conf(ngx_conf_t *cf); | |
28 static char *ngx_http_mirror_merge_loc_conf(ngx_conf_t *cf, void *parent, | |
29 void *child); | |
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parents:
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diff
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30 static char *ngx_http_mirror(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); |
7072 | 31 static ngx_int_t ngx_http_mirror_init(ngx_conf_t *cf); |
32 | |
33 | |
34 static ngx_command_t ngx_http_mirror_commands[] = { | |
35 | |
36 { ngx_string("mirror"), | |
37 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
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38 ngx_http_mirror, |
7072 | 39 NGX_HTTP_LOC_CONF_OFFSET, |
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40 0, |
7072 | 41 NULL }, |
42 | |
43 { ngx_string("mirror_request_body"), | |
44 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, | |
45 ngx_conf_set_flag_slot, | |
46 NGX_HTTP_LOC_CONF_OFFSET, | |
47 offsetof(ngx_http_mirror_loc_conf_t, request_body), | |
48 NULL }, | |
49 | |
50 ngx_null_command | |
51 }; | |
52 | |
53 | |
54 static ngx_http_module_t ngx_http_mirror_module_ctx = { | |
55 NULL, /* preconfiguration */ | |
56 ngx_http_mirror_init, /* postconfiguration */ | |
57 | |
58 NULL, /* create main configuration */ | |
59 NULL, /* init main configuration */ | |
60 | |
61 NULL, /* create server configuration */ | |
62 NULL, /* merge server configuration */ | |
63 | |
64 ngx_http_mirror_create_loc_conf, /* create location configuration */ | |
65 ngx_http_mirror_merge_loc_conf /* merge location configuration */ | |
66 }; | |
67 | |
68 | |
69 ngx_module_t ngx_http_mirror_module = { | |
70 NGX_MODULE_V1, | |
71 &ngx_http_mirror_module_ctx, /* module context */ | |
72 ngx_http_mirror_commands, /* module directives */ | |
73 NGX_HTTP_MODULE, /* module type */ | |
74 NULL, /* init master */ | |
75 NULL, /* init module */ | |
76 NULL, /* init process */ | |
77 NULL, /* init thread */ | |
78 NULL, /* exit thread */ | |
79 NULL, /* exit process */ | |
80 NULL, /* exit master */ | |
81 NGX_MODULE_V1_PADDING | |
82 }; | |
83 | |
84 | |
85 static ngx_int_t | |
86 ngx_http_mirror_handler(ngx_http_request_t *r) | |
87 { | |
88 ngx_int_t rc; | |
89 ngx_http_mirror_ctx_t *ctx; | |
90 ngx_http_mirror_loc_conf_t *mlcf; | |
91 | |
92 if (r != r->main) { | |
93 return NGX_DECLINED; | |
94 } | |
95 | |
96 mlcf = ngx_http_get_module_loc_conf(r, ngx_http_mirror_module); | |
97 | |
98 if (mlcf->mirror == NULL) { | |
99 return NGX_DECLINED; | |
100 } | |
101 | |
102 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "mirror handler"); | |
103 | |
104 if (mlcf->request_body) { | |
105 ctx = ngx_http_get_module_ctx(r, ngx_http_mirror_module); | |
106 | |
107 if (ctx) { | |
108 return ctx->status; | |
109 } | |
110 | |
111 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_mirror_ctx_t)); | |
112 if (ctx == NULL) { | |
113 return NGX_ERROR; | |
114 } | |
115 | |
116 ctx->status = NGX_DONE; | |
117 | |
118 ngx_http_set_ctx(r, ctx, ngx_http_mirror_module); | |
119 | |
120 rc = ngx_http_read_client_request_body(r, ngx_http_mirror_body_handler); | |
121 if (rc >= NGX_HTTP_SPECIAL_RESPONSE) { | |
122 return rc; | |
123 } | |
124 | |
125 ngx_http_finalize_request(r, NGX_DONE); | |
126 return NGX_DONE; | |
127 } | |
128 | |
129 return ngx_http_mirror_handler_internal(r); | |
130 } | |
131 | |
132 | |
133 static void | |
134 ngx_http_mirror_body_handler(ngx_http_request_t *r) | |
135 { | |
136 ngx_http_mirror_ctx_t *ctx; | |
137 | |
138 ctx = ngx_http_get_module_ctx(r, ngx_http_mirror_module); | |
139 | |
140 ctx->status = ngx_http_mirror_handler_internal(r); | |
141 | |
142 r->preserve_body = 1; | |
143 | |
144 r->write_event_handler = ngx_http_core_run_phases; | |
145 ngx_http_core_run_phases(r); | |
146 } | |
147 | |
148 | |
149 static ngx_int_t | |
150 ngx_http_mirror_handler_internal(ngx_http_request_t *r) | |
151 { | |
152 ngx_str_t *name; | |
153 ngx_uint_t i; | |
154 ngx_http_request_t *sr; | |
155 ngx_http_mirror_loc_conf_t *mlcf; | |
156 | |
157 mlcf = ngx_http_get_module_loc_conf(r, ngx_http_mirror_module); | |
158 | |
159 name = mlcf->mirror->elts; | |
160 | |
161 for (i = 0; i < mlcf->mirror->nelts; i++) { | |
162 if (ngx_http_subrequest(r, &name[i], &r->args, &sr, NULL, | |
163 NGX_HTTP_SUBREQUEST_BACKGROUND) | |
164 != NGX_OK) | |
165 { | |
166 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
167 } | |
168 | |
169 sr->header_only = 1; | |
170 sr->method = r->method; | |
171 sr->method_name = r->method_name; | |
172 } | |
173 | |
174 return NGX_DECLINED; | |
175 } | |
176 | |
177 | |
178 static void * | |
179 ngx_http_mirror_create_loc_conf(ngx_conf_t *cf) | |
180 { | |
181 ngx_http_mirror_loc_conf_t *mlcf; | |
182 | |
183 mlcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_mirror_loc_conf_t)); | |
184 if (mlcf == NULL) { | |
185 return NULL; | |
186 } | |
187 | |
188 mlcf->mirror = NGX_CONF_UNSET_PTR; | |
189 mlcf->request_body = NGX_CONF_UNSET; | |
190 | |
191 return mlcf; | |
192 } | |
193 | |
194 | |
195 static char * | |
196 ngx_http_mirror_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child) | |
197 { | |
198 ngx_http_mirror_loc_conf_t *prev = parent; | |
199 ngx_http_mirror_loc_conf_t *conf = child; | |
200 | |
201 ngx_conf_merge_ptr_value(conf->mirror, prev->mirror, NULL); | |
202 ngx_conf_merge_value(conf->request_body, prev->request_body, 1); | |
203 | |
204 return NGX_CONF_OK; | |
205 } | |
206 | |
207 | |
7073
230d16d35ebc
Mirror: "off" paramater of the "mirror" directive.
Roman Arutyunyan <arut@nginx.com>
parents:
7072
diff
changeset
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208 static char * |
230d16d35ebc
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Roman Arutyunyan <arut@nginx.com>
parents:
7072
diff
changeset
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209 ngx_http_mirror(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
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parents:
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210 { |
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211 ngx_http_mirror_loc_conf_t *mlcf = conf; |
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parents:
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changeset
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212 |
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213 ngx_str_t *value, *s; |
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parents:
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214 |
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215 value = cf->args->elts; |
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parents:
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216 |
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217 if (ngx_strcmp(value[1].data, "off") == 0) { |
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218 if (mlcf->mirror != NGX_CONF_UNSET_PTR) { |
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219 return "is duplicate"; |
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220 } |
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parents:
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221 |
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222 mlcf->mirror = NULL; |
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223 return NGX_CONF_OK; |
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224 } |
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225 |
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226 if (mlcf->mirror == NULL) { |
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227 return "is duplicate"; |
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228 } |
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parents:
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229 |
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230 if (mlcf->mirror == NGX_CONF_UNSET_PTR) { |
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231 mlcf->mirror = ngx_array_create(cf->pool, 4, sizeof(ngx_str_t)); |
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232 if (mlcf->mirror == NULL) { |
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233 return NGX_CONF_ERROR; |
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234 } |
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235 } |
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236 |
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237 s = ngx_array_push(mlcf->mirror); |
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238 if (s == NULL) { |
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239 return NGX_CONF_ERROR; |
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240 } |
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241 |
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242 *s = value[1]; |
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243 |
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244 return NGX_CONF_OK; |
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245 } |
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Roman Arutyunyan <arut@nginx.com>
parents:
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246 |
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parents:
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247 |
7072 | 248 static ngx_int_t |
249 ngx_http_mirror_init(ngx_conf_t *cf) | |
250 { | |
251 ngx_http_handler_pt *h; | |
252 ngx_http_core_main_conf_t *cmcf; | |
253 | |
254 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
255 | |
256 h = ngx_array_push(&cmcf->phases[NGX_HTTP_PRECONTENT_PHASE].handlers); | |
257 if (h == NULL) { | |
258 return NGX_ERROR; | |
259 } | |
260 | |
261 *h = ngx_http_mirror_handler; | |
262 | |
263 return NGX_OK; | |
264 } |