diff options
Diffstat (limited to 'app/nginx/src/http/modules/ngx_http_empty_gif_module.c')
| -rw-r--r-- | app/nginx/src/http/modules/ngx_http_empty_gif_module.c | 140 |
1 files changed, 0 insertions, 140 deletions
diff --git a/app/nginx/src/http/modules/ngx_http_empty_gif_module.c b/app/nginx/src/http/modules/ngx_http_empty_gif_module.c deleted file mode 100644 index 04114dc..0000000 --- a/app/nginx/src/http/modules/ngx_http_empty_gif_module.c +++ /dev/null @@ -1,140 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_http.h> - - -static char *ngx_http_empty_gif(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); - -static ngx_command_t ngx_http_empty_gif_commands[] = { - - { ngx_string("empty_gif"), - NGX_HTTP_LOC_CONF|NGX_CONF_NOARGS, - ngx_http_empty_gif, - 0, - 0, - NULL }, - - ngx_null_command -}; - - -/* the minimal single pixel transparent GIF, 43 bytes */ - -static u_char ngx_empty_gif[] = { - - 'G', 'I', 'F', '8', '9', 'a', /* header */ - - /* logical screen descriptor */ - 0x01, 0x00, /* logical screen width */ - 0x01, 0x00, /* logical screen height */ - 0x80, /* global 1-bit color table */ - 0x01, /* background color #1 */ - 0x00, /* no aspect ratio */ - - /* global color table */ - 0x00, 0x00, 0x00, /* #0: black */ - 0xff, 0xff, 0xff, /* #1: white */ - - /* graphic control extension */ - 0x21, /* extension introducer */ - 0xf9, /* graphic control label */ - 0x04, /* block size */ - 0x01, /* transparent color is given, */ - /* no disposal specified, */ - /* user input is not expected */ - 0x00, 0x00, /* delay time */ - 0x01, /* transparent color #1 */ - 0x00, /* block terminator */ - - /* image descriptor */ - 0x2c, /* image separator */ - 0x00, 0x00, /* image left position */ - 0x00, 0x00, /* image top position */ - 0x01, 0x00, /* image width */ - 0x01, 0x00, /* image height */ - 0x00, /* no local color table, no interlaced */ - - /* table based image data */ - 0x02, /* LZW minimum code size, */ - /* must be at least 2-bit */ - 0x02, /* block size */ - 0x4c, 0x01, /* compressed bytes 01_001_100, 0000000_1 */ - /* 100: clear code */ - /* 001: 1 */ - /* 101: end of information code */ - 0x00, /* block terminator */ - - 0x3B /* trailer */ -}; - - -static ngx_http_module_t ngx_http_empty_gif_module_ctx = { - NULL, /* preconfiguration */ - NULL, /* postconfiguration */ - - NULL, /* create main configuration */ - NULL, /* init main configuration */ - - NULL, /* create server configuration */ - NULL, /* merge server configuration */ - - NULL, /* create location configuration */ - NULL /* merge location configuration */ -}; - - -ngx_module_t ngx_http_empty_gif_module = { - NGX_MODULE_V1, - &ngx_http_empty_gif_module_ctx, /* module context */ - ngx_http_empty_gif_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_str_t ngx_http_gif_type = ngx_string("image/gif"); - - -static ngx_int_t -ngx_http_empty_gif_handler(ngx_http_request_t *r) -{ - ngx_http_complex_value_t cv; - - if (!(r->method & (NGX_HTTP_GET|NGX_HTTP_HEAD))) { - return NGX_HTTP_NOT_ALLOWED; - } - - ngx_memzero(&cv, sizeof(ngx_http_complex_value_t)); - - cv.value.len = sizeof(ngx_empty_gif); - cv.value.data = ngx_empty_gif; - r->headers_out.last_modified_time = 23349600; - - return ngx_http_send_response(r, NGX_HTTP_OK, &ngx_http_gif_type, &cv); -} - - -static char * -ngx_http_empty_gif(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_core_loc_conf_t *clcf; - - clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module); - clcf->handler = ngx_http_empty_gif_handler; - - return NGX_CONF_OK; -} |