Mercurial > hg > ngx_http_catch_body_filter_module
view ngx_http_catch_body_filter_module.c @ 5:ae29daca3f0e default tip
Explicit use of "proxy_request_buffering on" in tests.
This allows to avoid spurious tests failures in test runs with request
buffering switched off by default.
author | Maxim Dounin <mdounin@mdounin.ru> |
---|---|
date | Fri, 06 Mar 2015 17:44:38 +0300 |
parents | 04788ce8dae7 |
children |
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/* * Copyright (C) Maxim Dounin */ #include <ngx_config.h> #include <ngx_core.h> #include <ngx_http.h> typedef struct { ngx_flag_t enable; } ngx_http_catch_body_conf_t; static void *ngx_http_catch_body_create_conf(ngx_conf_t *cf); static char *ngx_http_catch_body_merge_conf(ngx_conf_t *cf, void *parent, void *child); static ngx_int_t ngx_http_catch_body_init(ngx_conf_t *cf); static ngx_command_t ngx_http_catch_body_commands[] = { { ngx_string("catch_body"), NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, ngx_conf_set_flag_slot, NGX_HTTP_LOC_CONF_OFFSET, offsetof(ngx_http_catch_body_conf_t, enable), NULL }, ngx_null_command }; static ngx_http_module_t ngx_http_catch_body_module_ctx = { NULL, /* preconfiguration */ ngx_http_catch_body_init, /* postconfiguration */ NULL, /* create main configuration */ NULL, /* init main configuration */ NULL, /* create server configuration */ NULL, /* merge server configuration */ ngx_http_catch_body_create_conf, /* create location configuration */ ngx_http_catch_body_merge_conf /* merge location configuration */ }; ngx_module_t ngx_http_catch_body_filter_module = { NGX_MODULE_V1, &ngx_http_catch_body_module_ctx, /* module context */ ngx_http_catch_body_commands, /* module directives */ NGX_HTTP_MODULE, /* module type */ NULL, /* init master */ NULL, /* init module */ NULL, /* init process */ NULL, /* init thread */ NULL, /* exit thread */ NULL, /* exit process */ NULL, /* exit master */ NGX_MODULE_V1_PADDING }; static ngx_http_request_body_filter_pt ngx_http_next_request_body_filter; static ngx_int_t ngx_http_catch_body_filter(ngx_http_request_t *r, ngx_chain_t *in) { u_char *p; ngx_chain_t *cl; ngx_http_catch_body_conf_t *conf; conf = ngx_http_get_module_loc_conf(r, ngx_http_catch_body_filter_module); if (!conf->enable) { return ngx_http_next_request_body_filter(r, in); } ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "catch request body filter"); for (cl = in; cl; cl = cl->next) { p = cl->buf->pos; for (p = cl->buf->pos; p < cl->buf->last; p++) { ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "catch body in:%02Xd:%c", *p, *p); if (*p == 'X') { ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "catch body: found"); /* * As we return NGX_HTTP_FORBIDDEN, the r->keepalive flag * won't be reset by ngx_http_special_response_handler(). * Make sure to reset it to prevent processing of unread * parts of the request body. */ r->keepalive = 0; return NGX_HTTP_FORBIDDEN; } } } return ngx_http_next_request_body_filter(r, in); } static void * ngx_http_catch_body_create_conf(ngx_conf_t *cf) { ngx_http_catch_body_conf_t *conf; conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_catch_body_conf_t)); if (conf == NULL) { return NULL; } conf->enable = NGX_CONF_UNSET; return conf; } static char * ngx_http_catch_body_merge_conf(ngx_conf_t *cf, void *parent, void *child) { ngx_http_catch_body_conf_t *prev = parent; ngx_http_catch_body_conf_t *conf = child; ngx_conf_merge_value(conf->enable, prev->enable, 0); return NGX_CONF_OK; } static ngx_int_t ngx_http_catch_body_init(ngx_conf_t *cf) { ngx_http_next_request_body_filter = ngx_http_top_request_body_filter; ngx_http_top_request_body_filter = ngx_http_catch_body_filter; return NGX_OK; }