Mercurial > hg > nginx
annotate src/http/ngx_http_special_response.c @ 44:0e81ac0bb3e2
nginx-0.0.1-2003-01-09-08:36:00 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Thu, 09 Jan 2003 05:36:00 +0000 |
parents | 53cb81681040 |
children | f1ee46c036a4 |
rev | line source |
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1 |
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2 #include <nginx.h> |
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3 |
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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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7 #include <ngx_http.h> |
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8 |
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9 static char error_tail[] = |
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10 "<hr><center>" NGINX_VER "</center>" CRLF |
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11 "</body>" CRLF |
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12 "</html>" CRLF |
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13 ; |
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14 |
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15 static char error_400_page[] = |
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16 "<html>" CRLF |
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17 "<head><title>400 Bad Request</title></head>" CRLF |
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18 "<body bgcolor=\"white\">" CRLF |
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19 "<center><h1>400 Bad Request</h1></center>" CRLF |
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20 ; |
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21 |
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22 static char error_404_page[] = |
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23 "<html>" CRLF |
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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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28 |
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29 |
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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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35 |
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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 */ |
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40 { sizeof(error_404_page) - 1, error_404_page }, |
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41 |
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42 { 0, NULL} /* 500 */ |
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43 }; |
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44 |
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45 int ngx_http_special_response(ngx_http_request_t *r, int error) |
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46 { |
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47 int rc, err, len; |
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48 ngx_hunk_t *message, *tail; |
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49 |
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50 len = 0; |
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51 |
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52 r->headers_out.status = error; |
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53 |
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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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56 |
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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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59 |
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60 else |
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61 err = NGX_HTTP_INTERNAL_SERVER_ERROR + 4 + 5; |
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62 |
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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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68 |
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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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73 |
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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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80 |
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81 rc = ngx_http_output_filter(r, message); |
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82 |
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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 } |