2002-12-11 02:05:12 +08:00
|
|
|
|
2002-12-15 14:25:09 +08:00
|
|
|
#include <nginx.h>
|
2002-12-11 02:05:12 +08:00
|
|
|
|
|
|
|
#include <ngx_config.h>
|
|
|
|
#include <ngx_core.h>
|
2002-12-15 14:25:09 +08:00
|
|
|
#include <ngx_string.h>
|
2002-12-11 02:05:12 +08:00
|
|
|
#include <ngx_http.h>
|
|
|
|
|
2002-12-15 14:25:09 +08:00
|
|
|
static char error_tail[] =
|
|
|
|
"<hr><center>" NGINX_VER "</center>" CRLF
|
|
|
|
"</body>" CRLF
|
|
|
|
"</html>" CRLF
|
|
|
|
;
|
|
|
|
|
|
|
|
static char error_400_page[] =
|
|
|
|
"<html>" CRLF
|
|
|
|
"<head><title>400 Bad Request</title></head>" CRLF
|
|
|
|
"<body bgcolor=\"white\">" CRLF
|
|
|
|
"<center><h1>400 Bad Request</h1></center>" CRLF
|
|
|
|
;
|
|
|
|
|
|
|
|
static char error_404_page[] =
|
|
|
|
"<html>" CRLF
|
|
|
|
"<head><title>404 Not Found</title></head>" CRLF
|
|
|
|
"<body bgcolor=\"white\">" CRLF
|
|
|
|
"<center><h1>404 Not Found</h1></center>" CRLF
|
|
|
|
;
|
|
|
|
|
|
|
|
|
|
|
|
static ngx_str_t error_pages[] = {
|
|
|
|
{ 0, NULL}, /* 301 */
|
|
|
|
{ 0, NULL}, /* 302 */
|
|
|
|
{ 0, NULL}, /* 303 */
|
|
|
|
{ 0, NULL}, /* 304 */
|
|
|
|
|
|
|
|
{ sizeof(error_400_page) - 1, error_400_page },
|
|
|
|
{ 0, NULL}, /* 401 */
|
|
|
|
{ 0, NULL}, /* 402 */
|
|
|
|
{ 0, NULL}, /* 403 */
|
|
|
|
{ sizeof(error_404_page) - 1, error_404_page },
|
|
|
|
|
|
|
|
{ 0, NULL} /* 500 */
|
|
|
|
};
|
2002-12-11 02:05:12 +08:00
|
|
|
|
|
|
|
int ngx_http_special_response(ngx_http_request_t *r, int error)
|
|
|
|
{
|
2002-12-15 14:25:09 +08:00
|
|
|
int rc, err, len;
|
|
|
|
ngx_hunk_t *message, *tail;
|
|
|
|
|
|
|
|
len = 0;
|
|
|
|
|
|
|
|
r->headers_out.status = error;
|
|
|
|
|
|
|
|
if (error < NGX_HTTP_BAD_REQUEST)
|
|
|
|
err = error - NGX_HTTP_MOVED_PERMANENTLY;
|
|
|
|
|
|
|
|
else if (error < NGX_HTTP_INTERNAL_SERVER_ERROR)
|
|
|
|
err = error - NGX_HTTP_BAD_REQUEST + 4;
|
|
|
|
|
|
|
|
else
|
|
|
|
err = NGX_HTTP_INTERNAL_SERVER_ERROR + 4 + 5;
|
|
|
|
|
|
|
|
if (error_pages[err].len == 0)
|
|
|
|
r->headers_out.content_length = -1;
|
|
|
|
else
|
|
|
|
r->headers_out.content_length = error_pages[err].len
|
|
|
|
+ len + sizeof(error_tail);
|
|
|
|
|
|
|
|
ngx_http_send_header(r);
|
|
|
|
|
|
|
|
if (error_pages[err].len == 0)
|
|
|
|
return NGX_OK;
|
|
|
|
|
|
|
|
ngx_test_null(message, ngx_pcalloc(r->pool, sizeof(ngx_hunk_t)),
|
|
|
|
NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
|
|
|
|
|
message->type = NGX_HUNK_MEMORY;
|
|
|
|
message->pos.mem = error_pages[err].data;
|
|
|
|
message->last.mem = error_pages[err].data + error_pages[err].len;
|
|
|
|
|
|
|
|
rc = ngx_http_output_filter(r, message);
|
2002-12-11 02:05:12 +08:00
|
|
|
|
2002-12-15 14:25:09 +08:00
|
|
|
ngx_test_null(tail, ngx_pcalloc(r->pool, sizeof(ngx_hunk_t)),
|
|
|
|
NGX_HTTP_INTERNAL_SERVER_ERROR);
|
2002-12-11 02:05:12 +08:00
|
|
|
|
2002-12-15 14:25:09 +08:00
|
|
|
tail->type = NGX_HUNK_MEMORY|NGX_HUNK_LAST;
|
|
|
|
tail->pos.mem = error_tail;
|
|
|
|
tail->last.mem = error_tail + sizeof(error_tail);
|
2002-12-11 02:05:12 +08:00
|
|
|
|
2002-12-15 14:25:09 +08:00
|
|
|
rc = ngx_http_output_filter(r, tail);
|
2002-12-11 02:05:12 +08:00
|
|
|
}
|