Mercurial > hg > nginx
annotate src/stream/ngx_stream.h @ 9267:9a5e2296c1be default tip
Disabled handling of headers without a colon.
Starting with nginx 0.1.29 (509:9b8c906f6e63), header names not followed
by a colon and a value were allowed. Such headers were interpreted as
headers with an empty value. With this change, such headers are
unconditionally rejected.
Requested by Maksim Yevmenkin.
| author | Maxim Dounin <mdounin@mdounin.ru> |
|---|---|
| date | Wed, 08 May 2024 23:00:07 +0300 |
| parents | 113e2438dbd4 |
| children |
| rev | line source |
|---|---|
| 6115 | 1 |
| 2 /* | |
| 3 * Copyright (C) Roman Arutyunyan | |
| 4 * Copyright (C) Nginx, Inc. | |
| 5 */ | |
| 6 | |
| 7 | |
| 8 #ifndef _NGX_STREAM_H_INCLUDED_ | |
| 9 #define _NGX_STREAM_H_INCLUDED_ | |
| 10 | |
| 11 | |
| 12 #include <ngx_config.h> | |
| 13 #include <ngx_core.h> | |
| 14 | |
| 15 #if (NGX_STREAM_SSL) | |
| 16 #include <ngx_stream_ssl_module.h> | |
| 17 #endif | |
| 18 | |
| 19 | |
| 20 typedef struct ngx_stream_session_s ngx_stream_session_t; | |
| 21 | |
| 22 | |
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23 #include <ngx_stream_variables.h> |
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24 #include <ngx_stream_script.h> |
| 6115 | 25 #include <ngx_stream_upstream.h> |
| 26 #include <ngx_stream_upstream_round_robin.h> | |
| 27 | |
| 28 | |
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29 #define NGX_STREAM_OK 200 |
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30 #define NGX_STREAM_BAD_REQUEST 400 |
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31 #define NGX_STREAM_FORBIDDEN 403 |
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32 #define NGX_STREAM_INTERNAL_SERVER_ERROR 500 |
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33 #define NGX_STREAM_BAD_GATEWAY 502 |
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34 #define NGX_STREAM_SERVICE_UNAVAILABLE 503 |
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35 |
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36 |
| 6115 | 37 typedef struct { |
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38 void **main_conf; |
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39 void **srv_conf; |
| 6115 | 40 } ngx_stream_conf_ctx_t; |
| 41 | |
| 42 | |
| 43 typedef struct { | |
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44 struct sockaddr *sockaddr; |
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45 socklen_t socklen; |
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46 ngx_str_t addr_text; |
| 6115 | 47 |
| 48 /* server ctx */ | |
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49 ngx_stream_conf_ctx_t *ctx; |
| 6115 | 50 |
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51 unsigned bind:1; |
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52 unsigned wildcard:1; |
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53 unsigned ssl:1; |
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54 #if (NGX_HAVE_INET6) |
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55 unsigned ipv6only:1; |
| 6115 | 56 #endif |
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57 unsigned reuseport:1; |
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58 unsigned so_keepalive:2; |
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59 unsigned proxy_protocol:1; |
| 6115 | 60 #if (NGX_HAVE_KEEPALIVE_TUNABLE) |
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61 int tcp_keepidle; |
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62 int tcp_keepintvl; |
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63 int tcp_keepcnt; |
| 6115 | 64 #endif |
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65 int backlog; |
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66 int rcvbuf; |
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67 int sndbuf; |
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68 #if (NGX_HAVE_TCP_FASTOPEN) |
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69 int fastopen; |
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70 #endif |
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71 int type; |
| 6115 | 72 } ngx_stream_listen_t; |
| 73 | |
| 74 | |
| 75 typedef struct { | |
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76 ngx_stream_conf_ctx_t *ctx; |
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77 ngx_str_t addr_text; |
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78 unsigned ssl:1; |
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79 unsigned proxy_protocol:1; |
| 6115 | 80 } ngx_stream_addr_conf_t; |
| 81 | |
| 82 typedef struct { | |
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83 in_addr_t addr; |
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84 ngx_stream_addr_conf_t conf; |
| 6115 | 85 } ngx_stream_in_addr_t; |
| 86 | |
| 87 | |
| 88 #if (NGX_HAVE_INET6) | |
| 89 | |
| 90 typedef struct { | |
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91 struct in6_addr addr6; |
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92 ngx_stream_addr_conf_t conf; |
| 6115 | 93 } ngx_stream_in6_addr_t; |
| 94 | |
| 95 #endif | |
| 96 | |
| 97 | |
| 98 typedef struct { | |
| 99 /* ngx_stream_in_addr_t or ngx_stream_in6_addr_t */ | |
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100 void *addrs; |
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101 ngx_uint_t naddrs; |
| 6115 | 102 } ngx_stream_port_t; |
| 103 | |
| 104 | |
| 105 typedef struct { | |
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106 int family; |
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107 int type; |
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108 in_port_t port; |
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109 ngx_array_t addrs; /* array of ngx_stream_conf_addr_t */ |
| 6115 | 110 } ngx_stream_conf_port_t; |
| 111 | |
| 112 | |
| 113 typedef struct { | |
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114 ngx_stream_listen_t opt; |
| 6115 | 115 } ngx_stream_conf_addr_t; |
| 116 | |
| 117 | |
| 6693 | 118 typedef enum { |
| 119 NGX_STREAM_POST_ACCEPT_PHASE = 0, | |
| 120 NGX_STREAM_PREACCESS_PHASE, | |
| 121 NGX_STREAM_ACCESS_PHASE, | |
| 122 NGX_STREAM_SSL_PHASE, | |
| 6694 | 123 NGX_STREAM_PREREAD_PHASE, |
| 6693 | 124 NGX_STREAM_CONTENT_PHASE, |
| 125 NGX_STREAM_LOG_PHASE | |
| 126 } ngx_stream_phases; | |
| 127 | |
| 128 | |
| 129 typedef struct ngx_stream_phase_handler_s ngx_stream_phase_handler_t; | |
| 130 | |
| 131 typedef ngx_int_t (*ngx_stream_phase_handler_pt)(ngx_stream_session_t *s, | |
| 132 ngx_stream_phase_handler_t *ph); | |
| 133 typedef ngx_int_t (*ngx_stream_handler_pt)(ngx_stream_session_t *s); | |
| 134 typedef void (*ngx_stream_content_handler_pt)(ngx_stream_session_t *s); | |
| 135 | |
| 136 | |
| 137 struct ngx_stream_phase_handler_s { | |
| 138 ngx_stream_phase_handler_pt checker; | |
| 139 ngx_stream_handler_pt handler; | |
| 140 ngx_uint_t next; | |
| 141 }; | |
| 142 | |
| 143 | |
| 144 typedef struct { | |
| 145 ngx_stream_phase_handler_t *handlers; | |
| 146 } ngx_stream_phase_engine_t; | |
| 147 | |
| 148 | |
| 149 typedef struct { | |
| 150 ngx_array_t handlers; | |
| 151 } ngx_stream_phase_t; | |
| 6175 | 152 |
| 153 | |
| 6115 | 154 typedef struct { |
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155 ngx_array_t servers; /* ngx_stream_core_srv_conf_t */ |
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156 ngx_array_t listen; /* ngx_stream_listen_t */ |
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157 |
| 6693 | 158 ngx_stream_phase_engine_t phase_engine; |
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159 |
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160 ngx_hash_t variables_hash; |
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161 |
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162 ngx_array_t variables; /* ngx_stream_variable_t */ |
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163 ngx_array_t prefix_variables; /* ngx_stream_variable_t */ |
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164 ngx_uint_t ncaptures; |
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165 |
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166 ngx_uint_t variables_hash_max_size; |
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167 ngx_uint_t variables_hash_bucket_size; |
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168 |
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169 ngx_hash_keys_arrays_t *variables_keys; |
| 6693 | 170 |
| 171 ngx_stream_phase_t phases[NGX_STREAM_LOG_PHASE + 1]; | |
| 6115 | 172 } ngx_stream_core_main_conf_t; |
| 173 | |
| 174 | |
| 175 typedef struct { | |
| 6693 | 176 ngx_stream_content_handler_pt handler; |
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177 |
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178 ngx_stream_conf_ctx_t *ctx; |
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179 |
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180 u_char *file_name; |
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181 ngx_uint_t line; |
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182 |
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183 ngx_flag_t tcp_nodelay; |
| 6694 | 184 size_t preread_buffer_size; |
| 185 ngx_msec_t preread_timeout; | |
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186 |
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187 ngx_log_t *error_log; |
| 6618 | 188 |
| 189 ngx_msec_t resolver_timeout; | |
| 190 ngx_resolver_t *resolver; | |
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191 |
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192 ngx_msec_t proxy_protocol_timeout; |
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193 |
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194 ngx_uint_t listen; /* unsigned listen:1; */ |
| 6115 | 195 } ngx_stream_core_srv_conf_t; |
| 196 | |
| 197 | |
| 198 struct ngx_stream_session_s { | |
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199 uint32_t signature; /* "STRM" */ |
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200 |
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201 ngx_connection_t *connection; |
| 6115 | 202 |
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203 off_t received; |
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204 time_t start_sec; |
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205 ngx_msec_t start_msec; |
| 6115 | 206 |
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207 ngx_log_handler_pt log_handler; |
| 6115 | 208 |
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209 void **ctx; |
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210 void **main_conf; |
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211 void **srv_conf; |
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212 |
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213 ngx_stream_upstream_t *upstream; |
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214 ngx_array_t *upstream_states; |
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215 /* of ngx_stream_upstream_state_t */ |
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216 ngx_stream_variable_value_t *variables; |
| 6115 | 217 |
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218 #if (NGX_PCRE) |
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219 ngx_uint_t ncaptures; |
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220 int *captures; |
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221 u_char *captures_data; |
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222 #endif |
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223 |
| 6693 | 224 ngx_int_t phase_handler; |
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225 ngx_uint_t status; |
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226 |
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227 unsigned ssl:1; |
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228 |
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229 unsigned stat_processing:1; |
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230 |
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231 unsigned health_check:1; |
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232 |
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233 unsigned limit_conn_status:2; |
| 6115 | 234 }; |
| 235 | |
| 236 | |
| 237 typedef struct { | |
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238 ngx_int_t (*preconfiguration)(ngx_conf_t *cf); |
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239 ngx_int_t (*postconfiguration)(ngx_conf_t *cf); |
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240 |
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241 void *(*create_main_conf)(ngx_conf_t *cf); |
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242 char *(*init_main_conf)(ngx_conf_t *cf, void *conf); |
| 6115 | 243 |
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244 void *(*create_srv_conf)(ngx_conf_t *cf); |
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245 char *(*merge_srv_conf)(ngx_conf_t *cf, void *prev, |
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246 void *conf); |
| 6115 | 247 } ngx_stream_module_t; |
| 248 | |
| 249 | |
| 250 #define NGX_STREAM_MODULE 0x4d525453 /* "STRM" */ | |
| 251 | |
| 252 #define NGX_STREAM_MAIN_CONF 0x02000000 | |
| 253 #define NGX_STREAM_SRV_CONF 0x04000000 | |
| 254 #define NGX_STREAM_UPS_CONF 0x08000000 | |
| 255 | |
| 256 | |
| 257 #define NGX_STREAM_MAIN_CONF_OFFSET offsetof(ngx_stream_conf_ctx_t, main_conf) | |
| 258 #define NGX_STREAM_SRV_CONF_OFFSET offsetof(ngx_stream_conf_ctx_t, srv_conf) | |
| 259 | |
| 260 | |
| 261 #define ngx_stream_get_module_ctx(s, module) (s)->ctx[module.ctx_index] | |
| 262 #define ngx_stream_set_ctx(s, c, module) s->ctx[module.ctx_index] = c; | |
| 263 #define ngx_stream_delete_ctx(s, module) s->ctx[module.ctx_index] = NULL; | |
| 264 | |
| 265 | |
| 266 #define ngx_stream_get_module_main_conf(s, module) \ | |
| 267 (s)->main_conf[module.ctx_index] | |
| 268 #define ngx_stream_get_module_srv_conf(s, module) \ | |
| 269 (s)->srv_conf[module.ctx_index] | |
| 270 | |
| 271 #define ngx_stream_conf_get_module_main_conf(cf, module) \ | |
| 272 ((ngx_stream_conf_ctx_t *) cf->ctx)->main_conf[module.ctx_index] | |
| 273 #define ngx_stream_conf_get_module_srv_conf(cf, module) \ | |
| 274 ((ngx_stream_conf_ctx_t *) cf->ctx)->srv_conf[module.ctx_index] | |
| 275 | |
| 276 #define ngx_stream_cycle_get_module_main_conf(cycle, module) \ | |
| 277 (cycle->conf_ctx[ngx_stream_module.index] ? \ | |
| 278 ((ngx_stream_conf_ctx_t *) cycle->conf_ctx[ngx_stream_module.index]) \ | |
| 279 ->main_conf[module.ctx_index]: \ | |
| 280 NULL) | |
| 281 | |
| 282 | |
| 6692 | 283 #define NGX_STREAM_WRITE_BUFFERED 0x10 |
| 284 | |
| 285 | |
| 6693 | 286 void ngx_stream_core_run_phases(ngx_stream_session_t *s); |
| 287 ngx_int_t ngx_stream_core_generic_phase(ngx_stream_session_t *s, | |
| 288 ngx_stream_phase_handler_t *ph); | |
| 6694 | 289 ngx_int_t ngx_stream_core_preread_phase(ngx_stream_session_t *s, |
| 290 ngx_stream_phase_handler_t *ph); | |
| 6693 | 291 ngx_int_t ngx_stream_core_content_phase(ngx_stream_session_t *s, |
| 292 ngx_stream_phase_handler_t *ph); | |
| 293 | |
| 294 | |
| 6115 | 295 void ngx_stream_init_connection(ngx_connection_t *c); |
| 6693 | 296 void ngx_stream_session_handler(ngx_event_t *rev); |
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297 void ngx_stream_finalize_session(ngx_stream_session_t *s, ngx_uint_t rc); |
| 6115 | 298 |
| 299 | |
| 300 extern ngx_module_t ngx_stream_module; | |
| 301 extern ngx_uint_t ngx_stream_max_module; | |
| 302 extern ngx_module_t ngx_stream_core_module; | |
| 303 | |
| 304 | |
| 6692 | 305 typedef ngx_int_t (*ngx_stream_filter_pt)(ngx_stream_session_t *s, |
| 306 ngx_chain_t *chain, ngx_uint_t from_upstream); | |
| 307 | |
| 308 | |
| 309 extern ngx_stream_filter_pt ngx_stream_top_filter; | |
| 310 | |
| 311 | |
| 6115 | 312 #endif /* _NGX_STREAM_H_INCLUDED_ */ |