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annotate src/http/ngx_http_special_response.c @ 26:53cb81681040

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nginx-0.0.1-2002-12-15-09:25:09 import
author Igor Sysoev <igor@sysoev.ru>
date Sun, 15 Dec 2002 06:25:09 +0000
parents 77c7629a2627
children f1ee46c036a4
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77c7629a2627 nginx-0.0.1-2002-12-10-21:05:12 import
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1
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53cb81681040 nginx-0.0.1-2002-12-15-09:25:09 import
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2 #include <nginx.h>
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3
77c7629a2627 nginx-0.0.1-2002-12-10-21:05:12 import
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4 #include <ngx_config.h>
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5 #include <ngx_core.h>
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6 #include <ngx_string.h>
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77c7629a2627 nginx-0.0.1-2002-12-10-21:05:12 import
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7 #include <ngx_http.h>
77c7629a2627 nginx-0.0.1-2002-12-10-21:05:12 import
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8
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53cb81681040 nginx-0.0.1-2002-12-15-09:25:09 import
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9 static char error_tail[] =
53cb81681040 nginx-0.0.1-2002-12-15-09:25:09 import
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10 "<hr><center>" NGINX_VER "</center>" CRLF
53cb81681040 nginx-0.0.1-2002-12-15-09:25:09 import
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11 "</body>" CRLF
53cb81681040 nginx-0.0.1-2002-12-15-09:25:09 import
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12 "</html>" CRLF
53cb81681040 nginx-0.0.1-2002-12-15-09:25:09 import
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13 ;
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53cb81681040 nginx-0.0.1-2002-12-15-09:25:09 import
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15 static char error_400_page[] =
53cb81681040 nginx-0.0.1-2002-12-15-09:25:09 import
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16 "<html>" CRLF
53cb81681040 nginx-0.0.1-2002-12-15-09:25:09 import
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17 "<head><title>400 Bad Request</title></head>" CRLF
53cb81681040 nginx-0.0.1-2002-12-15-09:25:09 import
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18 "<body bgcolor=\"white\">" CRLF
53cb81681040 nginx-0.0.1-2002-12-15-09:25:09 import
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19 "<center><h1>400 Bad Request</h1></center>" CRLF
53cb81681040 nginx-0.0.1-2002-12-15-09:25:09 import
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20 ;
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53cb81681040 nginx-0.0.1-2002-12-15-09:25:09 import
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22 static char error_404_page[] =
53cb81681040 nginx-0.0.1-2002-12-15-09:25:09 import
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23 "<html>" CRLF
53cb81681040 nginx-0.0.1-2002-12-15-09:25:09 import
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24 "<head><title>404 Not Found</title></head>" CRLF
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25 "<body bgcolor=\"white\">" CRLF
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26 "<center><h1>404 Not Found</h1></center>" CRLF
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27 ;
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53cb81681040 nginx-0.0.1-2002-12-15-09:25:09 import
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30 static ngx_str_t error_pages[] = {
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31 { 0, NULL}, /* 301 */
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32 { 0, NULL}, /* 302 */
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33 { 0, NULL}, /* 303 */
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34 { 0, NULL}, /* 304 */
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36 { sizeof(error_400_page) - 1, error_400_page },
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37 { 0, NULL}, /* 401 */
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38 { 0, NULL}, /* 402 */
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39 { 0, NULL}, /* 403 */
53cb81681040 nginx-0.0.1-2002-12-15-09:25:09 import
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40 { sizeof(error_404_page) - 1, error_404_page },
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42 { 0, NULL} /* 500 */
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43 };
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77c7629a2627 nginx-0.0.1-2002-12-10-21:05:12 import
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45 int ngx_http_special_response(ngx_http_request_t *r, int error)
77c7629a2627 nginx-0.0.1-2002-12-10-21:05:12 import
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46 {
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47 int rc, err, len;
53cb81681040 nginx-0.0.1-2002-12-15-09:25:09 import
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48 ngx_hunk_t *message, *tail;
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50 len = 0;
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53cb81681040 nginx-0.0.1-2002-12-15-09:25:09 import
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52 r->headers_out.status = error;
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53cb81681040 nginx-0.0.1-2002-12-15-09:25:09 import
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54 if (error < NGX_HTTP_BAD_REQUEST)
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55 err = error - NGX_HTTP_MOVED_PERMANENTLY;
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57 else if (error < NGX_HTTP_INTERNAL_SERVER_ERROR)
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58 err = error - NGX_HTTP_BAD_REQUEST + 4;
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60 else
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61 err = NGX_HTTP_INTERNAL_SERVER_ERROR + 4 + 5;
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63 if (error_pages[err].len == 0)
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64 r->headers_out.content_length = -1;
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65 else
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66 r->headers_out.content_length = error_pages[err].len
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67 + len + sizeof(error_tail);
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69 ngx_http_send_header(r);
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70
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71 if (error_pages[err].len == 0)
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72 return NGX_OK;
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74 ngx_test_null(message, ngx_pcalloc(r->pool, sizeof(ngx_hunk_t)),
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75 NGX_HTTP_INTERNAL_SERVER_ERROR);
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76
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77 message->type = NGX_HUNK_MEMORY;
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78 message->pos.mem = error_pages[err].data;
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79 message->last.mem = error_pages[err].data + error_pages[err].len;
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77c7629a2627 nginx-0.0.1-2002-12-10-21:05:12 import
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80
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81 rc = ngx_http_output_filter(r, message);
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83 ngx_test_null(tail, ngx_pcalloc(r->pool, sizeof(ngx_hunk_t)),
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84 NGX_HTTP_INTERNAL_SERVER_ERROR);
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85
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86 tail->type = NGX_HUNK_MEMORY|NGX_HUNK_LAST;
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87 tail->pos.mem = error_tail;
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88 tail->last.mem = error_tail + sizeof(error_tail);
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89
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90 rc = ngx_http_output_filter(r, tail);
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91 }