48
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1
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2 /*
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3 * Copyright (C) Igor Sysoev
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660
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4 * Copyright (C) Nginx, Inc.
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48
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5 */
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6
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7
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8 #include <ngx_config.h>
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9 #include <ngx_core.h>
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10 #include <ngx_http.h>
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322
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11 #include <nginx.h>
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48
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12
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13
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122
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14 static ngx_int_t ngx_http_variable_request(ngx_http_request_t *r,
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15 ngx_http_variable_value_t *v, uintptr_t data);
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324
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16 static void ngx_http_variable_request_set(ngx_http_request_t *r,
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17 ngx_http_variable_value_t *v, uintptr_t data);
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540
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18 static ngx_int_t ngx_http_variable_request_get_size(ngx_http_request_t *r,
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19 ngx_http_variable_value_t *v, uintptr_t data);
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186
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20 static void ngx_http_variable_request_set_size(ngx_http_request_t *r,
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21 ngx_http_variable_value_t *v, uintptr_t data);
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122
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22 static ngx_int_t ngx_http_variable_header(ngx_http_request_t *r,
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23 ngx_http_variable_value_t *v, uintptr_t data);
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24 static ngx_int_t ngx_http_variable_headers(ngx_http_request_t *r,
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25 ngx_http_variable_value_t *v, uintptr_t data);
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126
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26
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27 static ngx_int_t ngx_http_variable_unknown_header_in(ngx_http_request_t *r,
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122
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28 ngx_http_variable_value_t *v, uintptr_t data);
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126
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29 static ngx_int_t ngx_http_variable_unknown_header_out(ngx_http_request_t *r,
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30 ngx_http_variable_value_t *v, uintptr_t data);
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528
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31 static ngx_int_t ngx_http_variable_request_line(ngx_http_request_t *r,
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32 ngx_http_variable_value_t *v, uintptr_t data);
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424
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33 static ngx_int_t ngx_http_variable_cookie(ngx_http_request_t *r,
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34 ngx_http_variable_value_t *v, uintptr_t data);
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392
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35 static ngx_int_t ngx_http_variable_argument(ngx_http_request_t *r,
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36 ngx_http_variable_value_t *v, uintptr_t data);
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668
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37 #if (NGX_HAVE_TCP_INFO)
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38 static ngx_int_t ngx_http_variable_tcpinfo(ngx_http_request_t *r,
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39 ngx_http_variable_value_t *v, uintptr_t data);
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40 #endif
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126
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41
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692
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42 static ngx_int_t ngx_http_variable_content_length(ngx_http_request_t *r,
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43 ngx_http_variable_value_t *v, uintptr_t data);
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122
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44 static ngx_int_t ngx_http_variable_host(ngx_http_request_t *r,
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45 ngx_http_variable_value_t *v, uintptr_t data);
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272
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46 static ngx_int_t ngx_http_variable_binary_remote_addr(ngx_http_request_t *r,
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47 ngx_http_variable_value_t *v, uintptr_t data);
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122
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48 static ngx_int_t ngx_http_variable_remote_addr(ngx_http_request_t *r,
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49 ngx_http_variable_value_t *v, uintptr_t data);
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50 static ngx_int_t ngx_http_variable_remote_port(ngx_http_request_t *r,
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51 ngx_http_variable_value_t *v, uintptr_t data);
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52 static ngx_int_t ngx_http_variable_server_addr(ngx_http_request_t *r,
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53 ngx_http_variable_value_t *v, uintptr_t data);
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54 static ngx_int_t ngx_http_variable_server_port(ngx_http_request_t *r,
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55 ngx_http_variable_value_t *v, uintptr_t data);
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238
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56 static ngx_int_t ngx_http_variable_scheme(ngx_http_request_t *r,
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57 ngx_http_variable_value_t *v, uintptr_t data);
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654
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58 static ngx_int_t ngx_http_variable_https(ngx_http_request_t *r,
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59 ngx_http_variable_value_t *v, uintptr_t data);
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324
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60 static ngx_int_t ngx_http_variable_is_args(ngx_http_request_t *r,
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61 ngx_http_variable_value_t *v, uintptr_t data);
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122
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62 static ngx_int_t ngx_http_variable_document_root(ngx_http_request_t *r,
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63 ngx_http_variable_value_t *v, uintptr_t data);
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412
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64 static ngx_int_t ngx_http_variable_realpath_root(ngx_http_request_t *r,
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65 ngx_http_variable_value_t *v, uintptr_t data);
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122
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66 static ngx_int_t ngx_http_variable_request_filename(ngx_http_request_t *r,
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67 ngx_http_variable_value_t *v, uintptr_t data);
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362
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68 static ngx_int_t ngx_http_variable_server_name(ngx_http_request_t *r,
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69 ngx_http_variable_value_t *v, uintptr_t data);
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122
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70 static ngx_int_t ngx_http_variable_request_method(ngx_http_request_t *r,
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71 ngx_http_variable_value_t *v, uintptr_t data);
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72 static ngx_int_t ngx_http_variable_remote_user(ngx_http_request_t *r,
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73 ngx_http_variable_value_t *v, uintptr_t data);
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690
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74 static ngx_int_t ngx_http_variable_bytes_sent(ngx_http_request_t *r,
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75 ngx_http_variable_value_t *v, uintptr_t data);
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160
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76 static ngx_int_t ngx_http_variable_body_bytes_sent(ngx_http_request_t *r,
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77 ngx_http_variable_value_t *v, uintptr_t data);
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178
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78 static ngx_int_t ngx_http_variable_request_completion(ngx_http_request_t *r,
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79 ngx_http_variable_value_t *v, uintptr_t data);
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492
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80 static ngx_int_t ngx_http_variable_request_body(ngx_http_request_t *r,
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81 ngx_http_variable_value_t *v, uintptr_t data);
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244
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82 static ngx_int_t ngx_http_variable_request_body_file(ngx_http_request_t *r,
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83 ngx_http_variable_value_t *v, uintptr_t data);
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692
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84 static ngx_int_t ngx_http_variable_request_time(ngx_http_request_t *r,
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85 ngx_http_variable_value_t *v, uintptr_t data);
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678
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86 static ngx_int_t ngx_http_variable_status(ngx_http_request_t *r,
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87 ngx_http_variable_value_t *v, uintptr_t data);
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48
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88
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190
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89 static ngx_int_t ngx_http_variable_sent_content_type(ngx_http_request_t *r,
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90 ngx_http_variable_value_t *v, uintptr_t data);
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91 static ngx_int_t ngx_http_variable_sent_content_length(ngx_http_request_t *r,
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92 ngx_http_variable_value_t *v, uintptr_t data);
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442
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93 static ngx_int_t ngx_http_variable_sent_location(ngx_http_request_t *r,
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94 ngx_http_variable_value_t *v, uintptr_t data);
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190
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95 static ngx_int_t ngx_http_variable_sent_last_modified(ngx_http_request_t *r,
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96 ngx_http_variable_value_t *v, uintptr_t data);
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97 static ngx_int_t ngx_http_variable_sent_connection(ngx_http_request_t *r,
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98 ngx_http_variable_value_t *v, uintptr_t data);
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99 static ngx_int_t ngx_http_variable_sent_keep_alive(ngx_http_request_t *r,
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100 ngx_http_variable_value_t *v, uintptr_t data);
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101 static ngx_int_t ngx_http_variable_sent_transfer_encoding(ngx_http_request_t *r,
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102 ngx_http_variable_value_t *v, uintptr_t data);
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103
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690
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104 static ngx_int_t ngx_http_variable_connection(ngx_http_request_t *r,
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105 ngx_http_variable_value_t *v, uintptr_t data);
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106 static ngx_int_t ngx_http_variable_connection_requests(ngx_http_request_t *r,
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107 ngx_http_variable_value_t *v, uintptr_t data);
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108
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322
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109 static ngx_int_t ngx_http_variable_nginx_version(ngx_http_request_t *r,
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110 ngx_http_variable_value_t *v, uintptr_t data);
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376
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111 static ngx_int_t ngx_http_variable_hostname(ngx_http_request_t *r,
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112 ngx_http_variable_value_t *v, uintptr_t data);
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410
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113 static ngx_int_t ngx_http_variable_pid(ngx_http_request_t *r,
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114 ngx_http_variable_value_t *v, uintptr_t data);
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692
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115 static ngx_int_t ngx_http_variable_msec(ngx_http_request_t *r,
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116 ngx_http_variable_value_t *v, uintptr_t data);
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48
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117
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58
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118 /*
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119 * TODO:
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120 * Apache CGI: AUTH_TYPE, PATH_INFO (null), PATH_TRANSLATED
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121 * REMOTE_HOST (null), REMOTE_IDENT (null),
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122 * SERVER_SOFTWARE
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123 *
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120
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124 * Apache SSI: DOCUMENT_NAME, LAST_MODIFIED, USER_NAME (file owner)
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125 */
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126
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190
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127 /*
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128 * the $http_host, $http_user_agent, $http_referer, $http_via,
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129 * and $http_x_forwarded_for variables may be handled by generic
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670
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130 * ngx_http_variable_unknown_header_in(), but for performance reasons
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190
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131 * they are handled using dedicated entries
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132 */
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133
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58
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134 static ngx_http_variable_t ngx_http_core_variables[] = {
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135
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186
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136 { ngx_string("http_host"), NULL, ngx_http_variable_header,
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82
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137 offsetof(ngx_http_request_t, headers_in.host), 0, 0 },
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138
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186
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139 { ngx_string("http_user_agent"), NULL, ngx_http_variable_header,
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82
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140 offsetof(ngx_http_request_t, headers_in.user_agent), 0, 0 },
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141
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186
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142 { ngx_string("http_referer"), NULL, ngx_http_variable_header,
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143 offsetof(ngx_http_request_t, headers_in.referer), 0, 0 },
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144
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145 #if (NGX_HTTP_GZIP)
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186
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146 { ngx_string("http_via"), NULL, ngx_http_variable_header,
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147 offsetof(ngx_http_request_t, headers_in.via), 0, 0 },
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148 #endif
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149
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678
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150 #if (NGX_HTTP_X_FORWARDED_FOR)
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186
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151 { ngx_string("http_x_forwarded_for"), NULL, ngx_http_variable_header,
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82
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152 offsetof(ngx_http_request_t, headers_in.x_forwarded_for), 0, 0 },
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153 #endif
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154
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186
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155 { ngx_string("http_cookie"), NULL, ngx_http_variable_headers,
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82
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156 offsetof(ngx_http_request_t, headers_in.cookies), 0, 0 },
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64
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157
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692
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158 { ngx_string("content_length"), NULL, ngx_http_variable_content_length,
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159 0, 0, 0 },
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58
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160
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186
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161 { ngx_string("content_type"), NULL, ngx_http_variable_header,
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82
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162 offsetof(ngx_http_request_t, headers_in.content_type), 0, 0 },
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58
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163
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186
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164 { ngx_string("host"), NULL, ngx_http_variable_host, 0, 0, 0 },
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58
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165
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272
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166 { ngx_string("binary_remote_addr"), NULL,
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167 ngx_http_variable_binary_remote_addr, 0, 0, 0 },
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168
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186
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169 { ngx_string("remote_addr"), NULL, ngx_http_variable_remote_addr, 0, 0, 0 },
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170
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186
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171 { ngx_string("remote_port"), NULL, ngx_http_variable_remote_port, 0, 0, 0 },
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172
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186
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173 { ngx_string("server_addr"), NULL, ngx_http_variable_server_addr, 0, 0, 0 },
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58
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174
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186
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175 { ngx_string("server_port"), NULL, ngx_http_variable_server_port, 0, 0, 0 },
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58
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176
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186
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177 { ngx_string("server_protocol"), NULL, ngx_http_variable_request,
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82
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178 offsetof(ngx_http_request_t, http_protocol), 0, 0 },
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179
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238
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180 { ngx_string("scheme"), NULL, ngx_http_variable_scheme, 0, 0, 0 },
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181
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654
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182 { ngx_string("https"), NULL, ngx_http_variable_https, 0, 0, 0 },
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183
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186
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184 { ngx_string("request_uri"), NULL, ngx_http_variable_request,
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82
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185 offsetof(ngx_http_request_t, unparsed_uri), 0, 0 },
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48
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186
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186
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187 { ngx_string("uri"), NULL, ngx_http_variable_request,
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188 offsetof(ngx_http_request_t, uri),
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340
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189 NGX_HTTP_VAR_NOCACHEABLE, 0 },
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186
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190
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191 { ngx_string("document_uri"), NULL, ngx_http_variable_request,
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122
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192 offsetof(ngx_http_request_t, uri),
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340
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193 NGX_HTTP_VAR_NOCACHEABLE, 0 },
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122
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194
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528
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195 { ngx_string("request"), NULL, ngx_http_variable_request_line, 0, 0, 0 },
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118
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196
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186
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197 { ngx_string("document_root"), NULL,
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340
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198 ngx_http_variable_document_root, 0, NGX_HTTP_VAR_NOCACHEABLE, 0 },
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199
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412
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200 { ngx_string("realpath_root"), NULL,
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201 ngx_http_variable_realpath_root, 0, NGX_HTTP_VAR_NOCACHEABLE, 0 },
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202
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186
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203 { ngx_string("query_string"), NULL, ngx_http_variable_request,
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204 offsetof(ngx_http_request_t, args),
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340
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205 NGX_HTTP_VAR_NOCACHEABLE, 0 },
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206
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324
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207 { ngx_string("args"),
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208 ngx_http_variable_request_set,
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209 ngx_http_variable_request,
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138
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210 offsetof(ngx_http_request_t, args),
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340
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211 NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE, 0 },
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324
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212
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213 { ngx_string("is_args"), NULL, ngx_http_variable_is_args,
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340
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214 0, NGX_HTTP_VAR_NOCACHEABLE, 0 },
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138
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215
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186
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216 { ngx_string("request_filename"), NULL,
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217 ngx_http_variable_request_filename, 0,
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340
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218 NGX_HTTP_VAR_NOCACHEABLE, 0 },
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58
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219
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362
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220 { ngx_string("server_name"), NULL, ngx_http_variable_server_name, 0, 0, 0 },
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58
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221
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186
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222 { ngx_string("request_method"), NULL,
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564
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223 ngx_http_variable_request_method, 0,
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224 NGX_HTTP_VAR_NOCACHEABLE, 0 },
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58
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225
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186
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226 { ngx_string("remote_user"), NULL, ngx_http_variable_remote_user, 0, 0, 0 },
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58
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227
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690
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228 { ngx_string("bytes_sent"), NULL, ngx_http_variable_bytes_sent,
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229 0, 0, 0 },
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230
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186
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231 { ngx_string("body_bytes_sent"), NULL, ngx_http_variable_body_bytes_sent,
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160
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232 0, 0, 0 },
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233
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186
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234 { ngx_string("request_completion"), NULL,
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235 ngx_http_variable_request_completion,
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178
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236 0, 0, 0 },
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237
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492
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238 { ngx_string("request_body"), NULL,
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239 ngx_http_variable_request_body,
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240 0, 0, 0 },
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241
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244
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242 { ngx_string("request_body_file"), NULL,
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243 ngx_http_variable_request_body_file,
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244 0, 0, 0 },
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245
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692
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246 { ngx_string("request_time"), NULL, ngx_http_variable_request_time,
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247 0, NGX_HTTP_VAR_NOCACHEABLE, 0 },
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248
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678
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249 { ngx_string("status"), NULL,
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250 ngx_http_variable_status, 0,
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251 NGX_HTTP_VAR_NOCACHEABLE, 0 },
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252
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190
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253 { ngx_string("sent_http_content_type"), NULL,
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254 ngx_http_variable_sent_content_type, 0, 0, 0 },
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255
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256 { ngx_string("sent_http_content_length"), NULL,
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257 ngx_http_variable_sent_content_length, 0, 0, 0 },
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258
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442
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259 { ngx_string("sent_http_location"), NULL,
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260 ngx_http_variable_sent_location, 0, 0, 0 },
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261
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190
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262 { ngx_string("sent_http_last_modified"), NULL,
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263 ngx_http_variable_sent_last_modified, 0, 0, 0 },
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264
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265 { ngx_string("sent_http_connection"), NULL,
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266 ngx_http_variable_sent_connection, 0, 0, 0 },
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267
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268 { ngx_string("sent_http_keep_alive"), NULL,
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269 ngx_http_variable_sent_keep_alive, 0, 0, 0 },
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270
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271 { ngx_string("sent_http_transfer_encoding"), NULL,
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272 ngx_http_variable_sent_transfer_encoding, 0, 0, 0 },
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273
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274 { ngx_string("sent_http_cache_control"), NULL, ngx_http_variable_headers,
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275 offsetof(ngx_http_request_t, headers_out.cache_control), 0, 0 },
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276
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186
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277 { ngx_string("limit_rate"), ngx_http_variable_request_set_size,
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540
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278 ngx_http_variable_request_get_size,
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186
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279 offsetof(ngx_http_request_t, limit_rate),
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340
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280 NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE, 0 },
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186
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281
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690
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282 { ngx_string("connection"), NULL,
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283 ngx_http_variable_connection, 0, 0, 0 },
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284
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285 { ngx_string("connection_requests"), NULL,
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286 ngx_http_variable_connection_requests, 0, 0, 0 },
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287
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322
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288 { ngx_string("nginx_version"), NULL, ngx_http_variable_nginx_version,
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289 0, 0, 0 },
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290
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376
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291 { ngx_string("hostname"), NULL, ngx_http_variable_hostname,
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292 0, 0, 0 },
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293
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410
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294 { ngx_string("pid"), NULL, ngx_http_variable_pid,
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295 0, 0, 0 },
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296
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692
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297 { ngx_string("msec"), NULL, ngx_http_variable_msec,
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298 0, NGX_HTTP_VAR_NOCACHEABLE, 0 },
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299
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668
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300 #if (NGX_HAVE_TCP_INFO)
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301 { ngx_string("tcpinfo_rtt"), NULL, ngx_http_variable_tcpinfo,
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302 0, NGX_HTTP_VAR_NOCACHEABLE, 0 },
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303
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304 { ngx_string("tcpinfo_rttvar"), NULL, ngx_http_variable_tcpinfo,
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305 1, NGX_HTTP_VAR_NOCACHEABLE, 0 },
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306
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307 { ngx_string("tcpinfo_snd_cwnd"), NULL, ngx_http_variable_tcpinfo,
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308 2, NGX_HTTP_VAR_NOCACHEABLE, 0 },
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309
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310 { ngx_string("tcpinfo_rcv_space"), NULL, ngx_http_variable_tcpinfo,
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311 3, NGX_HTTP_VAR_NOCACHEABLE, 0 },
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312 #endif
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313
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186
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314 { ngx_null_string, NULL, NULL, 0, 0, 0 }
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48
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315 };
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316
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317
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126
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318 ngx_http_variable_value_t ngx_http_variable_null_value =
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319 ngx_http_variable("");
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320 ngx_http_variable_value_t ngx_http_variable_true_value =
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321 ngx_http_variable("1");
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322
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323
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48
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324 ngx_http_variable_t *
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58
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325 ngx_http_add_variable(ngx_conf_t *cf, ngx_str_t *name, ngx_uint_t flags)
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326 {
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160
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327 ngx_int_t rc;
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58
|
328 ngx_uint_t i;
|
160
|
329 ngx_hash_key_t *key;
|
58
|
330 ngx_http_variable_t *v;
|
|
331 ngx_http_core_main_conf_t *cmcf;
|
|
332
|
694
|
333 if (name->len == 0) {
|
|
334 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
335 "invalid variable name \"$\"");
|
|
336 return NULL;
|
|
337 }
|
|
338
|
58
|
339 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module);
|
|
340
|
160
|
341 key = cmcf->variables_keys->keys.elts;
|
|
342 for (i = 0; i < cmcf->variables_keys->keys.nelts; i++) {
|
|
343 if (name->len != key[i].key.len
|
|
344 || ngx_strncasecmp(name->data, key[i].key.data, name->len) != 0)
|
58
|
345 {
|
|
346 continue;
|
|
347 }
|
|
348
|
160
|
349 v = key[i].value;
|
|
350
|
340
|
351 if (!(v->flags & NGX_HTTP_VAR_CHANGEABLE)) {
|
58
|
352 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
353 "the duplicate \"%V\" variable", name);
|
|
354 return NULL;
|
|
355 }
|
|
356
|
160
|
357 return v;
|
58
|
358 }
|
|
359
|
160
|
360 v = ngx_palloc(cf->pool, sizeof(ngx_http_variable_t));
|
58
|
361 if (v == NULL) {
|
|
362 return NULL;
|
|
363 }
|
|
364
|
|
365 v->name.len = name->len;
|
382
|
366 v->name.data = ngx_pnalloc(cf->pool, name->len);
|
58
|
367 if (v->name.data == NULL) {
|
|
368 return NULL;
|
|
369 }
|
|
370
|
392
|
371 ngx_strlow(v->name.data, name->data, name->len);
|
58
|
372
|
186
|
373 v->set_handler = NULL;
|
|
374 v->get_handler = NULL;
|
58
|
375 v->data = 0;
|
|
376 v->flags = flags;
|
82
|
377 v->index = 0;
|
58
|
378
|
160
|
379 rc = ngx_hash_add_key(cmcf->variables_keys, &v->name, v, 0);
|
|
380
|
|
381 if (rc == NGX_ERROR) {
|
|
382 return NULL;
|
|
383 }
|
|
384
|
|
385 if (rc == NGX_BUSY) {
|
|
386 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
387 "conflicting variable name \"%V\"", name);
|
|
388 return NULL;
|
|
389 }
|
|
390
|
58
|
391 return v;
|
|
392 }
|
|
393
|
|
394
|
|
395 ngx_int_t
|
|
396 ngx_http_get_variable_index(ngx_conf_t *cf, ngx_str_t *name)
|
48
|
397 {
|
50
|
398 ngx_uint_t i;
|
|
399 ngx_http_variable_t *v;
|
48
|
400 ngx_http_core_main_conf_t *cmcf;
|
|
401
|
694
|
402 if (name->len == 0) {
|
|
403 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
404 "invalid variable name \"$\"");
|
|
405 return NGX_ERROR;
|
|
406 }
|
|
407
|
48
|
408 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module);
|
|
409
|
50
|
410 v = cmcf->variables.elts;
|
|
411
|
|
412 if (v == NULL) {
|
48
|
413 if (ngx_array_init(&cmcf->variables, cf->pool, 4,
|
454
|
414 sizeof(ngx_http_variable_t))
|
|
415 != NGX_OK)
|
48
|
416 {
|
58
|
417 return NGX_ERROR;
|
48
|
418 }
|
50
|
419
|
|
420 } else {
|
|
421 for (i = 0; i < cmcf->variables.nelts; i++) {
|
|
422 if (name->len != v[i].name.len
|
|
423 || ngx_strncasecmp(name->data, v[i].name.data, name->len) != 0)
|
|
424 {
|
|
425 continue;
|
|
426 }
|
|
427
|
58
|
428 return i;
|
50
|
429 }
|
48
|
430 }
|
|
431
|
50
|
432 v = ngx_array_push(&cmcf->variables);
|
|
433 if (v == NULL) {
|
58
|
434 return NGX_ERROR;
|
48
|
435 }
|
|
436
|
50
|
437 v->name.len = name->len;
|
382
|
438 v->name.data = ngx_pnalloc(cf->pool, name->len);
|
50
|
439 if (v->name.data == NULL) {
|
58
|
440 return NGX_ERROR;
|
50
|
441 }
|
48
|
442
|
392
|
443 ngx_strlow(v->name.data, name->data, name->len);
|
50
|
444
|
186
|
445 v->set_handler = NULL;
|
|
446 v->get_handler = NULL;
|
50
|
447 v->data = 0;
|
58
|
448 v->flags = 0;
|
82
|
449 v->index = cmcf->variables.nelts - 1;
|
50
|
450
|
668
|
451 return v->index;
|
48
|
452 }
|
|
453
|
|
454
|
|
455 ngx_http_variable_value_t *
|
|
456 ngx_http_get_indexed_variable(ngx_http_request_t *r, ngx_uint_t index)
|
|
457 {
|
50
|
458 ngx_http_variable_t *v;
|
48
|
459 ngx_http_core_main_conf_t *cmcf;
|
|
460
|
|
461 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module);
|
|
462
|
102
|
463 if (cmcf->variables.nelts <= index) {
|
48
|
464 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
|
|
465 "unknown variable index: %d", index);
|
|
466 return NULL;
|
|
467 }
|
|
468
|
122
|
469 if (r->variables[index].not_found || r->variables[index].valid) {
|
|
470 return &r->variables[index];
|
50
|
471 }
|
48
|
472
|
50
|
473 v = cmcf->variables.elts;
|
48
|
474
|
186
|
475 if (v[index].get_handler(r, &r->variables[index], v[index].data)
|
|
476 == NGX_OK)
|
|
477 {
|
340
|
478 if (v[index].flags & NGX_HTTP_VAR_NOCACHEABLE) {
|
|
479 r->variables[index].no_cacheable = 1;
|
48
|
480 }
|
122
|
481
|
|
482 return &r->variables[index];
|
48
|
483 }
|
|
484
|
206
|
485 r->variables[index].valid = 0;
|
|
486 r->variables[index].not_found = 1;
|
|
487
|
122
|
488 return NULL;
|
|
489 }
|
|
490
|
|
491
|
|
492 ngx_http_variable_value_t *
|
|
493 ngx_http_get_flushed_variable(ngx_http_request_t *r, ngx_uint_t index)
|
|
494 {
|
294
|
495 ngx_http_variable_value_t *v;
|
122
|
496
|
|
497 v = &r->variables[index];
|
|
498
|
662
|
499 if (v->valid || v->not_found) {
|
340
|
500 if (!v->no_cacheable) {
|
122
|
501 return v;
|
|
502 }
|
|
503
|
|
504 v->valid = 0;
|
|
505 v->not_found = 0;
|
58
|
506 }
|
50
|
507
|
122
|
508 return ngx_http_get_indexed_variable(r, index);
|
48
|
509 }
|
|
510
|
|
511
|
|
512 ngx_http_variable_value_t *
|
568
|
513 ngx_http_get_variable(ngx_http_request_t *r, ngx_str_t *name, ngx_uint_t key)
|
48
|
514 {
|
50
|
515 ngx_http_variable_t *v;
|
122
|
516 ngx_http_variable_value_t *vv;
|
48
|
517 ngx_http_core_main_conf_t *cmcf;
|
|
518
|
|
519 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module);
|
|
520
|
160
|
521 v = ngx_hash_find(&cmcf->variables_hash, key, name->data, name->len);
|
48
|
522
|
160
|
523 if (v) {
|
|
524 if (v->flags & NGX_HTTP_VAR_INDEXED) {
|
568
|
525 return ngx_http_get_flushed_variable(r, v->index);
|
68
|
526
|
|
527 } else {
|
48
|
528
|
122
|
529 vv = ngx_palloc(r->pool, sizeof(ngx_http_variable_value_t));
|
50
|
530
|
186
|
531 if (vv && v->get_handler(r, vv, v->data) == NGX_OK) {
|
122
|
532 return vv;
|
|
533 }
|
58
|
534
|
122
|
535 return NULL;
|
|
536 }
|
58
|
537 }
|
|
538
|
|
539 vv = ngx_palloc(r->pool, sizeof(ngx_http_variable_value_t));
|
|
540 if (vv == NULL) {
|
|
541 return NULL;
|
|
542 }
|
|
543
|
122
|
544 if (ngx_strncmp(name->data, "http_", 5) == 0) {
|
48
|
545
|
126
|
546 if (ngx_http_variable_unknown_header_in(r, vv, (uintptr_t) name)
|
|
547 == NGX_OK)
|
|
548 {
|
|
549 return vv;
|
|
550 }
|
|
551
|
|
552 return NULL;
|
|
553 }
|
|
554
|
|
555 if (ngx_strncmp(name->data, "sent_http_", 10) == 0) {
|
|
556
|
|
557 if (ngx_http_variable_unknown_header_out(r, vv, (uintptr_t) name)
|
|
558 == NGX_OK)
|
122
|
559 {
|
|
560 return vv;
|
|
561 }
|
48
|
562
|
|
563 return NULL;
|
|
564 }
|
|
565
|
564
|
566 if (ngx_strncmp(name->data, "upstream_http_", 14) == 0) {
|
296
|
567
|
|
568 if (ngx_http_upstream_header_variable(r, vv, (uintptr_t) name)
|
|
569 == NGX_OK)
|
|
570 {
|
|
571 return vv;
|
|
572 }
|
|
573
|
|
574 return NULL;
|
|
575 }
|
|
576
|
420
|
577 if (ngx_strncmp(name->data, "cookie_", 7) == 0) {
|
|
578
|
424
|
579 if (ngx_http_variable_cookie(r, vv, (uintptr_t) name) == NGX_OK) {
|
420
|
580 return vv;
|
|
581 }
|
|
582
|
|
583 return NULL;
|
|
584 }
|
|
585
|
392
|
586 if (ngx_strncmp(name->data, "arg_", 4) == 0) {
|
|
587
|
|
588 if (ngx_http_variable_argument(r, vv, (uintptr_t) name) == NGX_OK) {
|
|
589 return vv;
|
|
590 }
|
|
591
|
|
592 return NULL;
|
|
593 }
|
|
594
|
184
|
595 vv->not_found = 1;
|
122
|
596
|
50
|
597 return vv;
|
48
|
598 }
|
|
599
|
|
600
|
122
|
601 static ngx_int_t
|
|
602 ngx_http_variable_request(ngx_http_request_t *r, ngx_http_variable_value_t *v,
|
|
603 uintptr_t data)
|
|
604 {
|
|
605 ngx_str_t *s;
|
|
606
|
|
607 s = (ngx_str_t *) ((char *) r + data);
|
|
608
|
|
609 if (s->data) {
|
|
610 v->len = s->len;
|
|
611 v->valid = 1;
|
340
|
612 v->no_cacheable = 0;
|
122
|
613 v->not_found = 0;
|
|
614 v->data = s->data;
|
|
615
|
|
616 } else {
|
|
617 v->not_found = 1;
|
|
618 }
|
|
619
|
|
620 return NGX_OK;
|
|
621 }
|
|
622
|
|
623
|
186
|
624 static void
|
324
|
625 ngx_http_variable_request_set(ngx_http_request_t *r,
|
|
626 ngx_http_variable_value_t *v, uintptr_t data)
|
|
627 {
|
|
628 ngx_str_t *s;
|
|
629
|
|
630 s = (ngx_str_t *) ((char *) r + data);
|
|
631
|
|
632 s->len = v->len;
|
|
633 s->data = v->data;
|
|
634 }
|
|
635
|
|
636
|
540
|
637 static ngx_int_t
|
|
638 ngx_http_variable_request_get_size(ngx_http_request_t *r,
|
|
639 ngx_http_variable_value_t *v, uintptr_t data)
|
|
640 {
|
|
641 size_t *sp;
|
|
642
|
|
643 sp = (size_t *) ((char *) r + data);
|
|
644
|
|
645 v->data = ngx_pnalloc(r->pool, NGX_SIZE_T_LEN);
|
|
646 if (v->data == NULL) {
|
|
647 return NGX_ERROR;
|
|
648 }
|
|
649
|
|
650 v->len = ngx_sprintf(v->data, "%uz", *sp) - v->data;
|
|
651 v->valid = 1;
|
|
652 v->no_cacheable = 0;
|
|
653 v->not_found = 0;
|
|
654
|
|
655 return NGX_OK;
|
|
656 }
|
|
657
|
|
658
|
324
|
659 static void
|
186
|
660 ngx_http_variable_request_set_size(ngx_http_request_t *r,
|
|
661 ngx_http_variable_value_t *v, uintptr_t data)
|
|
662 {
|
|
663 ssize_t s, *sp;
|
|
664 ngx_str_t val;
|
|
665
|
320
|
666 val.len = v->len;
|
186
|
667 val.data = v->data;
|
|
668
|
|
669 s = ngx_parse_size(&val);
|
|
670
|
|
671 if (s == NGX_ERROR) {
|
|
672 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
673 "invalid size \"%V\"", &val);
|
|
674 return;
|
|
675 }
|
|
676
|
|
677 sp = (ssize_t *) ((char *) r + data);
|
|
678
|
|
679 *sp = s;
|
|
680
|
|
681 return;
|
|
682 }
|
|
683
|
|
684
|
122
|
685 static ngx_int_t
|
|
686 ngx_http_variable_header(ngx_http_request_t *r, ngx_http_variable_value_t *v,
|
|
687 uintptr_t data)
|
64
|
688 {
|
122
|
689 ngx_table_elt_t *h;
|
|
690
|
|
691 h = *(ngx_table_elt_t **) ((char *) r + data);
|
|
692
|
|
693 if (h) {
|
|
694 v->len = h->value.len;
|
|
695 v->valid = 1;
|
340
|
696 v->no_cacheable = 0;
|
122
|
697 v->not_found = 0;
|
|
698 v->data = h->value.data;
|
|
699
|
|
700 } else {
|
|
701 v->not_found = 1;
|
|
702 }
|
|
703
|
|
704 return NGX_OK;
|
|
705 }
|
|
706
|
|
707
|
|
708 static ngx_int_t
|
|
709 ngx_http_variable_headers(ngx_http_request_t *r, ngx_http_variable_value_t *v,
|
|
710 uintptr_t data)
|
|
711 {
|
654
|
712 size_t len;
|
|
713 u_char *p, *end;
|
216
|
714 ngx_uint_t i, n;
|
122
|
715 ngx_array_t *a;
|
|
716 ngx_table_elt_t **h;
|
64
|
717
|
|
718 a = (ngx_array_t *) ((char *) r + data);
|
|
719
|
216
|
720 n = a->nelts;
|
654
|
721 h = a->elts;
|
|
722
|
|
723 len = 0;
|
|
724
|
|
725 for (i = 0; i < n; i++) {
|
|
726
|
|
727 if (h[i]->hash == 0) {
|
|
728 continue;
|
|
729 }
|
|
730
|
|
731 len += h[i]->value.len + sizeof("; ") - 1;
|
|
732 }
|
|
733
|
|
734 if (len == 0) {
|
122
|
735 v->not_found = 1;
|
|
736 return NGX_OK;
|
64
|
737 }
|
|
738
|
654
|
739 len -= sizeof("; ") - 1;
|
|
740
|
122
|
741 v->valid = 1;
|
340
|
742 v->no_cacheable = 0;
|
122
|
743 v->not_found = 0;
|
64
|
744
|
216
|
745 if (n == 1) {
|
122
|
746 v->len = (*h)->value.len;
|
|
747 v->data = (*h)->value.data;
|
64
|
748
|
122
|
749 return NGX_OK;
|
64
|
750 }
|
|
751
|
382
|
752 p = ngx_pnalloc(r->pool, len);
|
122
|
753 if (p == NULL) {
|
|
754 return NGX_ERROR;
|
|
755 }
|
|
756
|
|
757 v->len = len;
|
|
758 v->data = p;
|
64
|
759
|
654
|
760 end = p + len;
|
|
761
|
64
|
762 for (i = 0; /* void */ ; i++) {
|
654
|
763
|
|
764 if (h[i]->hash == 0) {
|
|
765 continue;
|
|
766 }
|
|
767
|
122
|
768 p = ngx_copy(p, h[i]->value.data, h[i]->value.len);
|
64
|
769
|
654
|
770 if (p == end) {
|
64
|
771 break;
|
|
772 }
|
|
773
|
|
774 *p++ = ';'; *p++ = ' ';
|
|
775 }
|
|
776
|
122
|
777 return NGX_OK;
|
64
|
778 }
|
|
779
|
|
780
|
122
|
781 static ngx_int_t
|
126
|
782 ngx_http_variable_unknown_header_in(ngx_http_request_t *r,
|
|
783 ngx_http_variable_value_t *v, uintptr_t data)
|
|
784 {
|
|
785 return ngx_http_variable_unknown_header(v, (ngx_str_t *) data,
|
|
786 &r->headers_in.headers.part,
|
|
787 sizeof("http_") - 1);
|
|
788 }
|
|
789
|
|
790
|
|
791 static ngx_int_t
|
|
792 ngx_http_variable_unknown_header_out(ngx_http_request_t *r,
|
122
|
793 ngx_http_variable_value_t *v, uintptr_t data)
|
48
|
794 {
|
126
|
795 return ngx_http_variable_unknown_header(v, (ngx_str_t *) data,
|
|
796 &r->headers_out.headers.part,
|
|
797 sizeof("sent_http_") - 1);
|
|
798 }
|
50
|
799
|
126
|
800
|
296
|
801 ngx_int_t
|
126
|
802 ngx_http_variable_unknown_header(ngx_http_variable_value_t *v, ngx_str_t *var,
|
|
803 ngx_list_part_t *part, size_t prefix)
|
|
804 {
|
122
|
805 u_char ch;
|
|
806 ngx_uint_t i, n;
|
|
807 ngx_table_elt_t *header;
|
48
|
808
|
|
809 header = part->elts;
|
|
810
|
|
811 for (i = 0; /* void */ ; i++) {
|
|
812
|
|
813 if (i >= part->nelts) {
|
|
814 if (part->next == NULL) {
|
|
815 break;
|
|
816 }
|
|
817
|
|
818 part = part->next;
|
|
819 header = part->elts;
|
|
820 i = 0;
|
|
821 }
|
|
822
|
654
|
823 if (header[i].hash == 0) {
|
|
824 continue;
|
|
825 }
|
|
826
|
126
|
827 for (n = 0; n + prefix < var->len && n < header[i].key.len; n++) {
|
48
|
828 ch = header[i].key.data[n];
|
|
829
|
58
|
830 if (ch >= 'A' && ch <= 'Z') {
|
|
831 ch |= 0x20;
|
48
|
832
|
|
833 } else if (ch == '-') {
|
|
834 ch = '_';
|
|
835 }
|
|
836
|
126
|
837 if (var->data[n + prefix] != ch) {
|
48
|
838 break;
|
|
839 }
|
|
840 }
|
|
841
|
242
|
842 if (n + prefix == var->len && n == header[i].key.len) {
|
122
|
843 v->len = header[i].value.len;
|
|
844 v->valid = 1;
|
340
|
845 v->no_cacheable = 0;
|
122
|
846 v->not_found = 0;
|
|
847 v->data = header[i].value.data;
|
48
|
848
|
122
|
849 return NGX_OK;
|
48
|
850 }
|
|
851 }
|
|
852
|
122
|
853 v->not_found = 1;
|
|
854
|
|
855 return NGX_OK;
|
58
|
856 }
|
|
857
|
|
858
|
122
|
859 static ngx_int_t
|
528
|
860 ngx_http_variable_request_line(ngx_http_request_t *r,
|
|
861 ngx_http_variable_value_t *v, uintptr_t data)
|
|
862 {
|
|
863 u_char *p, *s;
|
|
864
|
|
865 s = r->request_line.data;
|
|
866
|
|
867 if (s == NULL) {
|
|
868 s = r->request_start;
|
|
869
|
|
870 if (s == NULL) {
|
|
871 v->not_found = 1;
|
|
872 return NGX_OK;
|
|
873 }
|
|
874
|
|
875 for (p = s; p < r->header_in->last; p++) {
|
|
876 if (*p == CR || *p == LF) {
|
|
877 break;
|
|
878 }
|
|
879 }
|
|
880
|
|
881 r->request_line.len = p - s;
|
|
882 r->request_line.data = s;
|
|
883 }
|
|
884
|
|
885 v->len = r->request_line.len;
|
|
886 v->valid = 1;
|
|
887 v->no_cacheable = 0;
|
|
888 v->not_found = 0;
|
|
889 v->data = s;
|
|
890
|
|
891 return NGX_OK;
|
|
892 }
|
|
893
|
|
894
|
|
895 static ngx_int_t
|
420
|
896 ngx_http_variable_cookie(ngx_http_request_t *r, ngx_http_variable_value_t *v,
|
|
897 uintptr_t data)
|
|
898 {
|
|
899 ngx_str_t *name = (ngx_str_t *) data;
|
|
900
|
|
901 ngx_str_t cookie, s;
|
|
902
|
|
903 s.len = name->len - (sizeof("cookie_") - 1);
|
|
904 s.data = name->data + sizeof("cookie_") - 1;
|
|
905
|
|
906 if (ngx_http_parse_multi_header_lines(&r->headers_in.cookies, &s, &cookie)
|
|
907 == NGX_DECLINED)
|
|
908 {
|
|
909 v->not_found = 1;
|
|
910 return NGX_OK;
|
|
911 }
|
|
912
|
|
913 v->len = cookie.len;
|
|
914 v->valid = 1;
|
|
915 v->no_cacheable = 0;
|
|
916 v->not_found = 0;
|
|
917 v->data = cookie.data;
|
|
918
|
|
919 return NGX_OK;
|
|
920 }
|
|
921
|
|
922
|
|
923 static ngx_int_t
|
392
|
924 ngx_http_variable_argument(ngx_http_request_t *r, ngx_http_variable_value_t *v,
|
|
925 uintptr_t data)
|
|
926 {
|
|
927 ngx_str_t *name = (ngx_str_t *) data;
|
|
928
|
432
|
929 u_char *arg;
|
|
930 size_t len;
|
|
931 ngx_str_t value;
|
392
|
932
|
432
|
933 len = name->len - (sizeof("arg_") - 1);
|
|
934 arg = name->data + sizeof("arg_") - 1;
|
|
935
|
|
936 if (ngx_http_arg(r, arg, len, &value) != NGX_OK) {
|
392
|
937 v->not_found = 1;
|
|
938 return NGX_OK;
|
|
939 }
|
|
940
|
432
|
941 v->data = value.data;
|
|
942 v->len = value.len;
|
|
943 v->valid = 1;
|
|
944 v->no_cacheable = 0;
|
|
945 v->not_found = 0;
|
392
|
946
|
|
947 return NGX_OK;
|
|
948 }
|
|
949
|
|
950
|
668
|
951 #if (NGX_HAVE_TCP_INFO)
|
|
952
|
|
953 static ngx_int_t
|
|
954 ngx_http_variable_tcpinfo(ngx_http_request_t *r, ngx_http_variable_value_t *v,
|
|
955 uintptr_t data)
|
|
956 {
|
|
957 struct tcp_info ti;
|
|
958 socklen_t len;
|
|
959 uint32_t value;
|
|
960
|
|
961 len = sizeof(struct tcp_info);
|
|
962 if (getsockopt(r->connection->fd, IPPROTO_TCP, TCP_INFO, &ti, &len) == -1) {
|
|
963 v->not_found = 1;
|
|
964 return NGX_OK;
|
|
965 }
|
|
966
|
|
967 v->data = ngx_pnalloc(r->pool, NGX_INT32_LEN);
|
|
968 if (v->data == NULL) {
|
|
969 return NGX_ERROR;
|
|
970 }
|
|
971
|
|
972 switch (data) {
|
|
973 case 0:
|
|
974 value = ti.tcpi_rtt;
|
|
975 break;
|
|
976
|
|
977 case 1:
|
|
978 value = ti.tcpi_rttvar;
|
|
979 break;
|
|
980
|
|
981 case 2:
|
|
982 value = ti.tcpi_snd_cwnd;
|
|
983 break;
|
|
984
|
|
985 case 3:
|
|
986 value = ti.tcpi_rcv_space;
|
|
987 break;
|
|
988
|
|
989 /* suppress warning */
|
|
990 default:
|
|
991 value = 0;
|
|
992 break;
|
|
993 }
|
|
994
|
|
995 v->len = ngx_sprintf(v->data, "%uD", value) - v->data;
|
|
996 v->valid = 1;
|
|
997 v->no_cacheable = 0;
|
|
998 v->not_found = 0;
|
|
999
|
|
1000 return NGX_OK;
|
|
1001 }
|
|
1002
|
|
1003 #endif
|
|
1004
|
|
1005
|
392
|
1006 static ngx_int_t
|
692
|
1007 ngx_http_variable_content_length(ngx_http_request_t *r,
|
|
1008 ngx_http_variable_value_t *v, uintptr_t data)
|
|
1009 {
|
|
1010 u_char *p;
|
|
1011
|
|
1012 if (r->headers_in.content_length) {
|
|
1013 v->len = r->headers_in.content_length->value.len;
|
|
1014 v->data = r->headers_in.content_length->value.data;
|
|
1015 v->valid = 1;
|
|
1016 v->no_cacheable = 0;
|
|
1017 v->not_found = 0;
|
|
1018
|
|
1019 } else if (r->headers_in.content_length_n >= 0) {
|
|
1020 p = ngx_pnalloc(r->pool, NGX_OFF_T_LEN);
|
|
1021 if (p == NULL) {
|
|
1022 return NGX_ERROR;
|
|
1023 }
|
|
1024
|
|
1025 v->len = ngx_sprintf(p, "%O", r->headers_in.content_length_n) - p;
|
|
1026 v->data = p;
|
|
1027 v->valid = 1;
|
|
1028 v->no_cacheable = 0;
|
|
1029 v->not_found = 0;
|
|
1030
|
|
1031 } else {
|
|
1032 v->not_found = 1;
|
|
1033 }
|
|
1034
|
|
1035 return NGX_OK;
|
|
1036 }
|
|
1037
|
|
1038
|
|
1039 static ngx_int_t
|
122
|
1040 ngx_http_variable_host(ngx_http_request_t *r, ngx_http_variable_value_t *v,
|
|
1041 uintptr_t data)
|
58
|
1042 {
|
362
|
1043 ngx_http_core_srv_conf_t *cscf;
|
|
1044
|
376
|
1045 if (r->headers_in.server.len) {
|
|
1046 v->len = r->headers_in.server.len;
|
|
1047 v->data = r->headers_in.server.data;
|
270
|
1048
|
|
1049 } else {
|
376
|
1050 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
|
|
1051
|
|
1052 v->len = cscf->server_name.len;
|
|
1053 v->data = cscf->server_name.data;
|
58
|
1054 }
|
|
1055
|
122
|
1056 v->valid = 1;
|
340
|
1057 v->no_cacheable = 0;
|
122
|
1058 v->not_found = 0;
|
58
|
1059
|
122
|
1060 return NGX_OK;
|
48
|
1061 }
|
|
1062
|
|
1063
|
122
|
1064 static ngx_int_t
|
272
|
1065 ngx_http_variable_binary_remote_addr(ngx_http_request_t *r,
|
|
1066 ngx_http_variable_value_t *v, uintptr_t data)
|
|
1067 {
|
448
|
1068 struct sockaddr_in *sin;
|
|
1069 #if (NGX_HAVE_INET6)
|
|
1070 struct sockaddr_in6 *sin6;
|
|
1071 #endif
|
272
|
1072
|
448
|
1073 switch (r->connection->sockaddr->sa_family) {
|
272
|
1074
|
448
|
1075 #if (NGX_HAVE_INET6)
|
|
1076 case AF_INET6:
|
|
1077 sin6 = (struct sockaddr_in6 *) r->connection->sockaddr;
|
272
|
1078
|
448
|
1079 v->len = sizeof(struct in6_addr);
|
|
1080 v->valid = 1;
|
|
1081 v->no_cacheable = 0;
|
|
1082 v->not_found = 0;
|
540
|
1083 v->data = sin6->sin6_addr.s6_addr;
|
448
|
1084
|
|
1085 break;
|
|
1086 #endif
|
|
1087
|
|
1088 default: /* AF_INET */
|
|
1089 sin = (struct sockaddr_in *) r->connection->sockaddr;
|
|
1090
|
|
1091 v->len = sizeof(in_addr_t);
|
|
1092 v->valid = 1;
|
|
1093 v->no_cacheable = 0;
|
|
1094 v->not_found = 0;
|
|
1095 v->data = (u_char *) &sin->sin_addr;
|
|
1096
|
|
1097 break;
|
|
1098 }
|
272
|
1099
|
|
1100 return NGX_OK;
|
|
1101 }
|
|
1102
|
|
1103
|
|
1104 static ngx_int_t
|
122
|
1105 ngx_http_variable_remote_addr(ngx_http_request_t *r,
|
|
1106 ngx_http_variable_value_t *v, uintptr_t data)
|
48
|
1107 {
|
122
|
1108 v->len = r->connection->addr_text.len;
|
|
1109 v->valid = 1;
|
340
|
1110 v->no_cacheable = 0;
|
122
|
1111 v->not_found = 0;
|
|
1112 v->data = r->connection->addr_text.data;
|
48
|
1113
|
122
|
1114 return NGX_OK;
|
48
|
1115 }
|
|
1116
|
|
1117
|
122
|
1118 static ngx_int_t
|
|
1119 ngx_http_variable_remote_port(ngx_http_request_t *r,
|
|
1120 ngx_http_variable_value_t *v, uintptr_t data)
|
48
|
1121 {
|
448
|
1122 ngx_uint_t port;
|
|
1123 struct sockaddr_in *sin;
|
|
1124 #if (NGX_HAVE_INET6)
|
|
1125 struct sockaddr_in6 *sin6;
|
|
1126 #endif
|
58
|
1127
|
122
|
1128 v->len = 0;
|
|
1129 v->valid = 1;
|
340
|
1130 v->no_cacheable = 0;
|
122
|
1131 v->not_found = 0;
|
58
|
1132
|
382
|
1133 v->data = ngx_pnalloc(r->pool, sizeof("65535") - 1);
|
122
|
1134 if (v->data == NULL) {
|
|
1135 return NGX_ERROR;
|
58
|
1136 }
|
|
1137
|
448
|
1138 switch (r->connection->sockaddr->sa_family) {
|
126
|
1139
|
448
|
1140 #if (NGX_HAVE_INET6)
|
|
1141 case AF_INET6:
|
|
1142 sin6 = (struct sockaddr_in6 *) r->connection->sockaddr;
|
|
1143 port = ntohs(sin6->sin6_port);
|
|
1144 break;
|
|
1145 #endif
|
126
|
1146
|
448
|
1147 default: /* AF_INET */
|
|
1148 sin = (struct sockaddr_in *) r->connection->sockaddr;
|
58
|
1149 port = ntohs(sin->sin_port);
|
448
|
1150 break;
|
|
1151 }
|
126
|
1152
|
448
|
1153 if (port > 0 && port < 65536) {
|
|
1154 v->len = ngx_sprintf(v->data, "%ui", port) - v->data;
|
58
|
1155 }
|
|
1156
|
122
|
1157 return NGX_OK;
|
58
|
1158 }
|
|
1159
|
|
1160
|
122
|
1161 static ngx_int_t
|
|
1162 ngx_http_variable_server_addr(ngx_http_request_t *r,
|
|
1163 ngx_http_variable_value_t *v, uintptr_t data)
|
58
|
1164 {
|
362
|
1165 ngx_str_t s;
|
448
|
1166 u_char addr[NGX_SOCKADDR_STRLEN];
|
48
|
1167
|
448
|
1168 s.len = NGX_SOCKADDR_STRLEN;
|
|
1169 s.data = addr;
|
|
1170
|
492
|
1171 if (ngx_connection_local_sockaddr(r->connection, &s, 0) != NGX_OK) {
|
448
|
1172 return NGX_ERROR;
|
|
1173 }
|
|
1174
|
|
1175 s.data = ngx_pnalloc(r->pool, s.len);
|
362
|
1176 if (s.data == NULL) {
|
122
|
1177 return NGX_ERROR;
|
58
|
1178 }
|
|
1179
|
448
|
1180 ngx_memcpy(s.data, addr, s.len);
|
58
|
1181
|
362
|
1182 v->len = s.len;
|
122
|
1183 v->valid = 1;
|
340
|
1184 v->no_cacheable = 0;
|
122
|
1185 v->not_found = 0;
|
362
|
1186 v->data = s.data;
|
48
|
1187
|
122
|
1188 return NGX_OK;
|
48
|
1189 }
|
|
1190
|
|
1191
|
122
|
1192 static ngx_int_t
|
|
1193 ngx_http_variable_server_port(ngx_http_request_t *r,
|
|
1194 ngx_http_variable_value_t *v, uintptr_t data)
|
58
|
1195 {
|
454
|
1196 ngx_uint_t port;
|
|
1197 struct sockaddr_in *sin;
|
|
1198 #if (NGX_HAVE_INET6)
|
|
1199 struct sockaddr_in6 *sin6;
|
|
1200 #endif
|
|
1201
|
|
1202 v->len = 0;
|
122
|
1203 v->valid = 1;
|
340
|
1204 v->no_cacheable = 0;
|
122
|
1205 v->not_found = 0;
|
454
|
1206
|
492
|
1207 if (ngx_connection_local_sockaddr(r->connection, NULL, 0) != NGX_OK) {
|
454
|
1208 return NGX_ERROR;
|
|
1209 }
|
|
1210
|
|
1211 v->data = ngx_pnalloc(r->pool, sizeof("65535") - 1);
|
|
1212 if (v->data == NULL) {
|
|
1213 return NGX_ERROR;
|
|
1214 }
|
|
1215
|
|
1216 switch (r->connection->local_sockaddr->sa_family) {
|
|
1217
|
|
1218 #if (NGX_HAVE_INET6)
|
|
1219 case AF_INET6:
|
|
1220 sin6 = (struct sockaddr_in6 *) r->connection->local_sockaddr;
|
|
1221 port = ntohs(sin6->sin6_port);
|
|
1222 break;
|
|
1223 #endif
|
|
1224
|
|
1225 default: /* AF_INET */
|
|
1226 sin = (struct sockaddr_in *) r->connection->local_sockaddr;
|
|
1227 port = ntohs(sin->sin_port);
|
|
1228 break;
|
|
1229 }
|
|
1230
|
|
1231 if (port > 0 && port < 65536) {
|
|
1232 v->len = ngx_sprintf(v->data, "%ui", port) - v->data;
|
|
1233 }
|
58
|
1234
|
122
|
1235 return NGX_OK;
|
58
|
1236 }
|
|
1237
|
|
1238
|
122
|
1239 static ngx_int_t
|
238
|
1240 ngx_http_variable_scheme(ngx_http_request_t *r,
|
|
1241 ngx_http_variable_value_t *v, uintptr_t data)
|
|
1242 {
|
|
1243 #if (NGX_HTTP_SSL)
|
|
1244
|
|
1245 if (r->connection->ssl) {
|
|
1246 v->len = sizeof("https") - 1;
|
|
1247 v->valid = 1;
|
340
|
1248 v->no_cacheable = 0;
|
238
|
1249 v->not_found = 0;
|
|
1250 v->data = (u_char *) "https";
|
|
1251
|
|
1252 return NGX_OK;
|
|
1253 }
|
|
1254
|
|
1255 #endif
|
|
1256
|
|
1257 v->len = sizeof("http") - 1;
|
|
1258 v->valid = 1;
|
340
|
1259 v->no_cacheable = 0;
|
238
|
1260 v->not_found = 0;
|
|
1261 v->data = (u_char *) "http";
|
|
1262
|
|
1263 return NGX_OK;
|
|
1264 }
|
|
1265
|
|
1266
|
|
1267 static ngx_int_t
|
654
|
1268 ngx_http_variable_https(ngx_http_request_t *r,
|
|
1269 ngx_http_variable_value_t *v, uintptr_t data)
|
|
1270 {
|
|
1271 #if (NGX_HTTP_SSL)
|
|
1272
|
|
1273 if (r->connection->ssl) {
|
|
1274 v->len = sizeof("on") - 1;
|
|
1275 v->valid = 1;
|
|
1276 v->no_cacheable = 0;
|
|
1277 v->not_found = 0;
|
|
1278 v->data = (u_char *) "on";
|
|
1279
|
|
1280 return NGX_OK;
|
|
1281 }
|
|
1282
|
|
1283 #endif
|
|
1284
|
|
1285 *v = ngx_http_variable_null_value;
|
|
1286
|
|
1287 return NGX_OK;
|
|
1288 }
|
|
1289
|
|
1290
|
|
1291 static ngx_int_t
|
324
|
1292 ngx_http_variable_is_args(ngx_http_request_t *r,
|
|
1293 ngx_http_variable_value_t *v, uintptr_t data)
|
|
1294 {
|
|
1295 v->valid = 1;
|
340
|
1296 v->no_cacheable = 0;
|
324
|
1297 v->not_found = 0;
|
|
1298
|
|
1299 if (r->args.len == 0) {
|
|
1300 v->len = 0;
|
|
1301 v->data = NULL;
|
|
1302 return NGX_OK;
|
|
1303 }
|
|
1304
|
|
1305 v->len = 1;
|
|
1306 v->data = (u_char *) "?";
|
|
1307
|
|
1308 return NGX_OK;
|
|
1309 }
|
|
1310
|
|
1311
|
|
1312 static ngx_int_t
|
122
|
1313 ngx_http_variable_document_root(ngx_http_request_t *r,
|
|
1314 ngx_http_variable_value_t *v, uintptr_t data)
|
48
|
1315 {
|
220
|
1316 ngx_str_t path;
|
122
|
1317 ngx_http_core_loc_conf_t *clcf;
|
58
|
1318
|
|
1319 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
1320
|
220
|
1321 if (clcf->root_lengths == NULL) {
|
|
1322 v->len = clcf->root.len;
|
|
1323 v->valid = 1;
|
340
|
1324 v->no_cacheable = 0;
|
220
|
1325 v->not_found = 0;
|
|
1326 v->data = clcf->root.data;
|
|
1327
|
|
1328 } else {
|
|
1329 if (ngx_http_script_run(r, &path, clcf->root_lengths->elts, 0,
|
|
1330 clcf->root_values->elts)
|
|
1331 == NULL)
|
|
1332 {
|
|
1333 return NGX_ERROR;
|
|
1334 }
|
|
1335
|
454
|
1336 if (ngx_conf_full_name((ngx_cycle_t *) ngx_cycle, &path, 0) != NGX_OK) {
|
220
|
1337 return NGX_ERROR;
|
|
1338 }
|
|
1339
|
|
1340 v->len = path.len;
|
|
1341 v->valid = 1;
|
340
|
1342 v->no_cacheable = 0;
|
220
|
1343 v->not_found = 0;
|
|
1344 v->data = path.data;
|
|
1345 }
|
58
|
1346
|
122
|
1347 return NGX_OK;
|
58
|
1348 }
|
|
1349
|
|
1350
|
122
|
1351 static ngx_int_t
|
412
|
1352 ngx_http_variable_realpath_root(ngx_http_request_t *r,
|
|
1353 ngx_http_variable_value_t *v, uintptr_t data)
|
|
1354 {
|
668
|
1355 u_char *real;
|
412
|
1356 size_t len;
|
|
1357 ngx_str_t path;
|
|
1358 ngx_http_core_loc_conf_t *clcf;
|
668
|
1359 #if (NGX_HAVE_MAX_PATH)
|
|
1360 u_char buffer[NGX_MAX_PATH];
|
|
1361 #endif
|
412
|
1362
|
|
1363 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
1364
|
|
1365 if (clcf->root_lengths == NULL) {
|
|
1366 path = clcf->root;
|
|
1367
|
|
1368 } else {
|
|
1369 if (ngx_http_script_run(r, &path, clcf->root_lengths->elts, 1,
|
|
1370 clcf->root_values->elts)
|
|
1371 == NULL)
|
|
1372 {
|
|
1373 return NGX_ERROR;
|
|
1374 }
|
|
1375
|
|
1376 path.data[path.len - 1] = '\0';
|
|
1377
|
454
|
1378 if (ngx_conf_full_name((ngx_cycle_t *) ngx_cycle, &path, 0) != NGX_OK) {
|
412
|
1379 return NGX_ERROR;
|
|
1380 }
|
|
1381 }
|
|
1382
|
668
|
1383 #if (NGX_HAVE_MAX_PATH)
|
|
1384 real = buffer;
|
|
1385 #else
|
|
1386 real = NULL;
|
|
1387 #endif
|
|
1388
|
|
1389 real = ngx_realpath(path.data, real);
|
|
1390
|
|
1391 if (real == NULL) {
|
412
|
1392 ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno,
|
|
1393 ngx_realpath_n " \"%s\" failed", path.data);
|
|
1394 return NGX_ERROR;
|
|
1395 }
|
|
1396
|
|
1397 len = ngx_strlen(real);
|
|
1398
|
|
1399 v->data = ngx_pnalloc(r->pool, len);
|
|
1400 if (v->data == NULL) {
|
668
|
1401 #if !(NGX_HAVE_MAX_PATH)
|
|
1402 ngx_free(real);
|
|
1403 #endif
|
412
|
1404 return NGX_ERROR;
|
|
1405 }
|
|
1406
|
|
1407 v->len = len;
|
|
1408 v->valid = 1;
|
|
1409 v->no_cacheable = 0;
|
|
1410 v->not_found = 0;
|
|
1411
|
|
1412 ngx_memcpy(v->data, real, len);
|
|
1413
|
668
|
1414 #if !(NGX_HAVE_MAX_PATH)
|
|
1415 ngx_free(real);
|
|
1416 #endif
|
|
1417
|
412
|
1418 return NGX_OK;
|
|
1419 }
|
|
1420
|
|
1421
|
|
1422 static ngx_int_t
|
122
|
1423 ngx_http_variable_request_filename(ngx_http_request_t *r,
|
|
1424 ngx_http_variable_value_t *v, uintptr_t data)
|
58
|
1425 {
|
248
|
1426 size_t root;
|
122
|
1427 ngx_str_t path;
|
48
|
1428
|
248
|
1429 if (ngx_http_map_uri_to_path(r, &path, &root, 0) == NULL) {
|
122
|
1430 return NGX_ERROR;
|
106
|
1431 }
|
58
|
1432
|
106
|
1433 /* ngx_http_map_uri_to_path() allocates memory for terminating '\0' */
|
58
|
1434
|
122
|
1435 v->len = path.len - 1;
|
|
1436 v->valid = 1;
|
340
|
1437 v->no_cacheable = 0;
|
122
|
1438 v->not_found = 0;
|
|
1439 v->data = path.data;
|
48
|
1440
|
122
|
1441 return NGX_OK;
|
48
|
1442 }
|
|
1443
|
|
1444
|
122
|
1445 static ngx_int_t
|
362
|
1446 ngx_http_variable_server_name(ngx_http_request_t *r,
|
|
1447 ngx_http_variable_value_t *v, uintptr_t data)
|
|
1448 {
|
|
1449 ngx_http_core_srv_conf_t *cscf;
|
|
1450
|
|
1451 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
|
|
1452
|
|
1453 v->len = cscf->server_name.len;
|
|
1454 v->valid = 1;
|
|
1455 v->no_cacheable = 0;
|
|
1456 v->not_found = 0;
|
|
1457 v->data = cscf->server_name.data;
|
|
1458
|
|
1459 return NGX_OK;
|
|
1460 }
|
|
1461
|
|
1462
|
|
1463 static ngx_int_t
|
122
|
1464 ngx_http_variable_request_method(ngx_http_request_t *r,
|
|
1465 ngx_http_variable_value_t *v, uintptr_t data)
|
110
|
1466 {
|
196
|
1467 if (r->main->method_name.data) {
|
|
1468 v->len = r->main->method_name.len;
|
122
|
1469 v->valid = 1;
|
340
|
1470 v->no_cacheable = 0;
|
122
|
1471 v->not_found = 0;
|
196
|
1472 v->data = r->main->method_name.data;
|
122
|
1473
|
|
1474 } else {
|
|
1475 v->not_found = 1;
|
110
|
1476 }
|
|
1477
|
122
|
1478 return NGX_OK;
|
110
|
1479 }
|
|
1480
|
|
1481
|
122
|
1482 static ngx_int_t
|
|
1483 ngx_http_variable_remote_user(ngx_http_request_t *r,
|
|
1484 ngx_http_variable_value_t *v, uintptr_t data)
|
88
|
1485 {
|
122
|
1486 ngx_int_t rc;
|
88
|
1487
|
|
1488 rc = ngx_http_auth_basic_user(r);
|
|
1489
|
|
1490 if (rc == NGX_DECLINED) {
|
122
|
1491 v->not_found = 1;
|
|
1492 return NGX_OK;
|
88
|
1493 }
|
|
1494
|
|
1495 if (rc == NGX_ERROR) {
|
122
|
1496 return NGX_ERROR;
|
88
|
1497 }
|
|
1498
|
122
|
1499 v->len = r->headers_in.user.len;
|
|
1500 v->valid = 1;
|
340
|
1501 v->no_cacheable = 0;
|
122
|
1502 v->not_found = 0;
|
|
1503 v->data = r->headers_in.user.data;
|
120
|
1504
|
122
|
1505 return NGX_OK;
|
120
|
1506 }
|
|
1507
|
|
1508
|
160
|
1509 static ngx_int_t
|
690
|
1510 ngx_http_variable_bytes_sent(ngx_http_request_t *r,
|
|
1511 ngx_http_variable_value_t *v, uintptr_t data)
|
|
1512 {
|
|
1513 u_char *p;
|
|
1514
|
|
1515 p = ngx_pnalloc(r->pool, NGX_OFF_T_LEN);
|
|
1516 if (p == NULL) {
|
|
1517 return NGX_ERROR;
|
|
1518 }
|
|
1519
|
|
1520 v->len = ngx_sprintf(p, "%O", r->connection->sent) - p;
|
|
1521 v->valid = 1;
|
|
1522 v->no_cacheable = 0;
|
|
1523 v->not_found = 0;
|
|
1524 v->data = p;
|
|
1525
|
|
1526 return NGX_OK;
|
|
1527 }
|
|
1528
|
|
1529
|
|
1530 static ngx_int_t
|
160
|
1531 ngx_http_variable_body_bytes_sent(ngx_http_request_t *r,
|
|
1532 ngx_http_variable_value_t *v, uintptr_t data)
|
|
1533 {
|
|
1534 off_t sent;
|
|
1535 u_char *p;
|
|
1536
|
|
1537 sent = r->connection->sent - r->header_size;
|
|
1538
|
|
1539 if (sent < 0) {
|
|
1540 sent = 0;
|
|
1541 }
|
|
1542
|
382
|
1543 p = ngx_pnalloc(r->pool, NGX_OFF_T_LEN);
|
160
|
1544 if (p == NULL) {
|
|
1545 return NGX_ERROR;
|
|
1546 }
|
|
1547
|
|
1548 v->len = ngx_sprintf(p, "%O", sent) - p;
|
|
1549 v->valid = 1;
|
340
|
1550 v->no_cacheable = 0;
|
160
|
1551 v->not_found = 0;
|
|
1552 v->data = p;
|
|
1553
|
|
1554 return NGX_OK;
|
|
1555 }
|
|
1556
|
|
1557
|
178
|
1558 static ngx_int_t
|
678
|
1559 ngx_http_variable_status(ngx_http_request_t *r,
|
|
1560 ngx_http_variable_value_t *v, uintptr_t data)
|
|
1561 {
|
|
1562 ngx_uint_t status;
|
|
1563
|
|
1564 v->data = ngx_pnalloc(r->pool, NGX_INT_T_LEN);
|
|
1565 if (v->data == NULL) {
|
|
1566 return NGX_ERROR;
|
|
1567 }
|
|
1568
|
|
1569 if (r->err_status) {
|
|
1570 status = r->err_status;
|
|
1571
|
|
1572 } else if (r->headers_out.status) {
|
|
1573 status = r->headers_out.status;
|
|
1574
|
|
1575 } else if (r->http_version == NGX_HTTP_VERSION_9) {
|
|
1576 status = 9;
|
|
1577
|
|
1578 } else {
|
|
1579 status = 0;
|
|
1580 }
|
|
1581
|
|
1582 v->len = ngx_sprintf(v->data, "%03ui", status) - v->data;
|
|
1583 v->valid = 1;
|
|
1584 v->no_cacheable = 0;
|
|
1585 v->not_found = 0;
|
|
1586
|
|
1587 return NGX_OK;
|
|
1588 }
|
|
1589
|
|
1590
|
|
1591 static ngx_int_t
|
190
|
1592 ngx_http_variable_sent_content_type(ngx_http_request_t *r,
|
|
1593 ngx_http_variable_value_t *v, uintptr_t data)
|
|
1594 {
|
|
1595 if (r->headers_out.content_type.len) {
|
|
1596 v->len = r->headers_out.content_type.len;
|
|
1597 v->valid = 1;
|
340
|
1598 v->no_cacheable = 0;
|
190
|
1599 v->not_found = 0;
|
|
1600 v->data = r->headers_out.content_type.data;
|
|
1601
|
|
1602 } else {
|
|
1603 v->not_found = 1;
|
|
1604 }
|
|
1605
|
|
1606 return NGX_OK;
|
|
1607 }
|
|
1608
|
|
1609
|
|
1610 static ngx_int_t
|
|
1611 ngx_http_variable_sent_content_length(ngx_http_request_t *r,
|
|
1612 ngx_http_variable_value_t *v, uintptr_t data)
|
|
1613 {
|
|
1614 u_char *p;
|
|
1615
|
|
1616 if (r->headers_out.content_length) {
|
|
1617 v->len = r->headers_out.content_length->value.len;
|
|
1618 v->valid = 1;
|
340
|
1619 v->no_cacheable = 0;
|
190
|
1620 v->not_found = 0;
|
|
1621 v->data = r->headers_out.content_length->value.data;
|
|
1622
|
|
1623 return NGX_OK;
|
|
1624 }
|
|
1625
|
|
1626 if (r->headers_out.content_length_n >= 0) {
|
382
|
1627 p = ngx_pnalloc(r->pool, NGX_OFF_T_LEN);
|
190
|
1628 if (p == NULL) {
|
|
1629 return NGX_ERROR;
|
|
1630 }
|
|
1631
|
|
1632 v->len = ngx_sprintf(p, "%O", r->headers_out.content_length_n) - p;
|
|
1633 v->valid = 1;
|
340
|
1634 v->no_cacheable = 0;
|
190
|
1635 v->not_found = 0;
|
|
1636 v->data = p;
|
|
1637
|
|
1638 return NGX_OK;
|
|
1639 }
|
|
1640
|
|
1641 v->not_found = 1;
|
|
1642
|
|
1643 return NGX_OK;
|
|
1644 }
|
|
1645
|
|
1646
|
|
1647 static ngx_int_t
|
442
|
1648 ngx_http_variable_sent_location(ngx_http_request_t *r,
|
|
1649 ngx_http_variable_value_t *v, uintptr_t data)
|
|
1650 {
|
454
|
1651 ngx_str_t name;
|
|
1652
|
442
|
1653 if (r->headers_out.location) {
|
|
1654 v->len = r->headers_out.location->value.len;
|
|
1655 v->valid = 1;
|
|
1656 v->no_cacheable = 0;
|
|
1657 v->not_found = 0;
|
|
1658 v->data = r->headers_out.location->value.data;
|
|
1659
|
|
1660 return NGX_OK;
|
|
1661 }
|
|
1662
|
570
|
1663 ngx_str_set(&name, "sent_http_location");
|
454
|
1664
|
|
1665 return ngx_http_variable_unknown_header(v, &name,
|
442
|
1666 &r->headers_out.headers.part,
|
|
1667 sizeof("sent_http_") - 1);
|
|
1668 }
|
|
1669
|
|
1670
|
|
1671 static ngx_int_t
|
190
|
1672 ngx_http_variable_sent_last_modified(ngx_http_request_t *r,
|
|
1673 ngx_http_variable_value_t *v, uintptr_t data)
|
|
1674 {
|
|
1675 u_char *p;
|
|
1676
|
|
1677 if (r->headers_out.last_modified) {
|
|
1678 v->len = r->headers_out.last_modified->value.len;
|
|
1679 v->valid = 1;
|
340
|
1680 v->no_cacheable = 0;
|
190
|
1681 v->not_found = 0;
|
|
1682 v->data = r->headers_out.last_modified->value.data;
|
|
1683
|
|
1684 return NGX_OK;
|
|
1685 }
|
|
1686
|
|
1687 if (r->headers_out.last_modified_time >= 0) {
|
382
|
1688 p = ngx_pnalloc(r->pool,
|
190
|
1689 sizeof("Last-Modified: Mon, 28 Sep 1970 06:00:00 GMT") - 1);
|
|
1690 if (p == NULL) {
|
|
1691 return NGX_ERROR;
|
|
1692 }
|
|
1693
|
|
1694 v->len = ngx_http_time(p, r->headers_out.last_modified_time) - p;
|
|
1695 v->valid = 1;
|
340
|
1696 v->no_cacheable = 0;
|
190
|
1697 v->not_found = 0;
|
|
1698 v->data = p;
|
|
1699
|
|
1700 return NGX_OK;
|
|
1701 }
|
|
1702
|
|
1703 v->not_found = 1;
|
|
1704
|
|
1705 return NGX_OK;
|
|
1706 }
|
|
1707
|
|
1708
|
|
1709 static ngx_int_t
|
|
1710 ngx_http_variable_sent_connection(ngx_http_request_t *r,
|
|
1711 ngx_http_variable_value_t *v, uintptr_t data)
|
|
1712 {
|
|
1713 size_t len;
|
|
1714 char *p;
|
|
1715
|
|
1716 if (r->keepalive) {
|
|
1717 len = sizeof("keep-alive") - 1;
|
|
1718 p = "keep-alive";
|
|
1719
|
|
1720 } else {
|
|
1721 len = sizeof("close") - 1;
|
|
1722 p = "close";
|
|
1723 }
|
|
1724
|
|
1725 v->len = len;
|
|
1726 v->valid = 1;
|
340
|
1727 v->no_cacheable = 0;
|
190
|
1728 v->not_found = 0;
|
|
1729 v->data = (u_char *) p;
|
|
1730
|
|
1731 return NGX_OK;
|
|
1732 }
|
|
1733
|
|
1734
|
|
1735 static ngx_int_t
|
|
1736 ngx_http_variable_sent_keep_alive(ngx_http_request_t *r,
|
|
1737 ngx_http_variable_value_t *v, uintptr_t data)
|
|
1738 {
|
|
1739 u_char *p;
|
|
1740 ngx_http_core_loc_conf_t *clcf;
|
|
1741
|
|
1742 if (r->keepalive) {
|
|
1743 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
1744
|
|
1745 if (clcf->keepalive_header) {
|
|
1746
|
382
|
1747 p = ngx_pnalloc(r->pool, sizeof("timeout=") - 1 + NGX_TIME_T_LEN);
|
190
|
1748 if (p == NULL) {
|
|
1749 return NGX_ERROR;
|
|
1750 }
|
|
1751
|
|
1752 v->len = ngx_sprintf(p, "timeout=%T", clcf->keepalive_header) - p;
|
|
1753 v->valid = 1;
|
340
|
1754 v->no_cacheable = 0;
|
190
|
1755 v->not_found = 0;
|
|
1756 v->data = p;
|
|
1757
|
|
1758 return NGX_OK;
|
|
1759 }
|
|
1760 }
|
|
1761
|
|
1762 v->not_found = 1;
|
|
1763
|
|
1764 return NGX_OK;
|
|
1765 }
|
|
1766
|
|
1767
|
|
1768 static ngx_int_t
|
|
1769 ngx_http_variable_sent_transfer_encoding(ngx_http_request_t *r,
|
|
1770 ngx_http_variable_value_t *v, uintptr_t data)
|
|
1771 {
|
|
1772 if (r->chunked) {
|
|
1773 v->len = sizeof("chunked") - 1;
|
|
1774 v->valid = 1;
|
340
|
1775 v->no_cacheable = 0;
|
190
|
1776 v->not_found = 0;
|
|
1777 v->data = (u_char *) "chunked";
|
|
1778
|
|
1779 } else {
|
|
1780 v->not_found = 1;
|
|
1781 }
|
|
1782
|
|
1783 return NGX_OK;
|
|
1784 }
|
|
1785
|
|
1786
|
|
1787 static ngx_int_t
|
178
|
1788 ngx_http_variable_request_completion(ngx_http_request_t *r,
|
|
1789 ngx_http_variable_value_t *v, uintptr_t data)
|
|
1790 {
|
|
1791 if (r->request_complete) {
|
|
1792 v->len = 2;
|
|
1793 v->valid = 1;
|
340
|
1794 v->no_cacheable = 0;
|
178
|
1795 v->not_found = 0;
|
|
1796 v->data = (u_char *) "OK";
|
|
1797
|
|
1798 return NGX_OK;
|
|
1799 }
|
|
1800
|
|
1801 v->len = 0;
|
|
1802 v->valid = 1;
|
340
|
1803 v->no_cacheable = 0;
|
178
|
1804 v->not_found = 0;
|
|
1805 v->data = (u_char *) "";
|
|
1806
|
|
1807 return NGX_OK;
|
|
1808 }
|
|
1809
|
|
1810
|
244
|
1811 static ngx_int_t
|
492
|
1812 ngx_http_variable_request_body(ngx_http_request_t *r,
|
|
1813 ngx_http_variable_value_t *v, uintptr_t data)
|
|
1814 {
|
|
1815 u_char *p;
|
|
1816 size_t len;
|
692
|
1817 ngx_buf_t *buf;
|
492
|
1818 ngx_chain_t *cl;
|
|
1819
|
494
|
1820 if (r->request_body == NULL
|
|
1821 || r->request_body->bufs == NULL
|
|
1822 || r->request_body->temp_file)
|
|
1823 {
|
492
|
1824 v->not_found = 1;
|
|
1825
|
|
1826 return NGX_OK;
|
|
1827 }
|
|
1828
|
|
1829 cl = r->request_body->bufs;
|
|
1830 buf = cl->buf;
|
|
1831
|
|
1832 if (cl->next == NULL) {
|
|
1833 v->len = buf->last - buf->pos;
|
|
1834 v->valid = 1;
|
|
1835 v->no_cacheable = 0;
|
|
1836 v->not_found = 0;
|
|
1837 v->data = buf->pos;
|
|
1838
|
|
1839 return NGX_OK;
|
|
1840 }
|
|
1841
|
692
|
1842 len = buf->last - buf->pos;
|
|
1843 cl = cl->next;
|
|
1844
|
|
1845 for ( /* void */ ; cl; cl = cl->next) {
|
|
1846 buf = cl->buf;
|
|
1847 len += buf->last - buf->pos;
|
|
1848 }
|
492
|
1849
|
|
1850 p = ngx_pnalloc(r->pool, len);
|
|
1851 if (p == NULL) {
|
|
1852 return NGX_ERROR;
|
|
1853 }
|
|
1854
|
|
1855 v->data = p;
|
692
|
1856 cl = r->request_body->bufs;
|
|
1857
|
|
1858 for ( /* void */ ; cl; cl = cl->next) {
|
|
1859 buf = cl->buf;
|
|
1860 p = ngx_cpymem(p, buf->pos, buf->last - buf->pos);
|
|
1861 }
|
492
|
1862
|
|
1863 v->len = len;
|
|
1864 v->valid = 1;
|
|
1865 v->no_cacheable = 0;
|
|
1866 v->not_found = 0;
|
|
1867
|
|
1868 return NGX_OK;
|
|
1869 }
|
|
1870
|
|
1871
|
|
1872 static ngx_int_t
|
244
|
1873 ngx_http_variable_request_body_file(ngx_http_request_t *r,
|
|
1874 ngx_http_variable_value_t *v, uintptr_t data)
|
|
1875 {
|
|
1876 if (r->request_body == NULL || r->request_body->temp_file == NULL) {
|
246
|
1877 v->not_found = 1;
|
244
|
1878
|
|
1879 return NGX_OK;
|
|
1880 }
|
|
1881
|
|
1882 v->len = r->request_body->temp_file->file.name.len;
|
|
1883 v->valid = 1;
|
340
|
1884 v->no_cacheable = 0;
|
244
|
1885 v->not_found = 0;
|
|
1886 v->data = r->request_body->temp_file->file.name.data;
|
|
1887
|
|
1888 return NGX_OK;
|
|
1889 }
|
|
1890
|
|
1891
|
322
|
1892 static ngx_int_t
|
692
|
1893 ngx_http_variable_request_time(ngx_http_request_t *r,
|
|
1894 ngx_http_variable_value_t *v, uintptr_t data)
|
|
1895 {
|
|
1896 u_char *p;
|
|
1897 ngx_time_t *tp;
|
|
1898 ngx_msec_int_t ms;
|
|
1899
|
|
1900 p = ngx_pnalloc(r->pool, NGX_TIME_T_LEN + 4);
|
|
1901 if (p == NULL) {
|
|
1902 return NGX_ERROR;
|
|
1903 }
|
|
1904
|
|
1905 tp = ngx_timeofday();
|
|
1906
|
|
1907 ms = (ngx_msec_int_t)
|
|
1908 ((tp->sec - r->start_sec) * 1000 + (tp->msec - r->start_msec));
|
|
1909 ms = ngx_max(ms, 0);
|
|
1910
|
|
1911 v->len = ngx_sprintf(p, "%T.%03M", ms / 1000, ms % 1000) - p;
|
|
1912 v->valid = 1;
|
|
1913 v->no_cacheable = 0;
|
|
1914 v->not_found = 0;
|
|
1915 v->data = p;
|
|
1916
|
|
1917 return NGX_OK;
|
|
1918 }
|
|
1919
|
|
1920
|
|
1921 static ngx_int_t
|
690
|
1922 ngx_http_variable_connection(ngx_http_request_t *r,
|
|
1923 ngx_http_variable_value_t *v, uintptr_t data)
|
|
1924 {
|
|
1925 u_char *p;
|
|
1926
|
|
1927 p = ngx_pnalloc(r->pool, NGX_ATOMIC_T_LEN);
|
|
1928 if (p == NULL) {
|
|
1929 return NGX_ERROR;
|
|
1930 }
|
|
1931
|
|
1932 v->len = ngx_sprintf(p, "%uA", r->connection->number) - p;
|
|
1933 v->valid = 1;
|
|
1934 v->no_cacheable = 0;
|
|
1935 v->not_found = 0;
|
|
1936 v->data = p;
|
|
1937
|
|
1938 return NGX_OK;
|
|
1939 }
|
|
1940
|
|
1941
|
|
1942 static ngx_int_t
|
|
1943 ngx_http_variable_connection_requests(ngx_http_request_t *r,
|
|
1944 ngx_http_variable_value_t *v, uintptr_t data)
|
|
1945 {
|
|
1946 u_char *p;
|
|
1947
|
|
1948 p = ngx_pnalloc(r->pool, NGX_INT_T_LEN);
|
|
1949 if (p == NULL) {
|
|
1950 return NGX_ERROR;
|
|
1951 }
|
|
1952
|
|
1953 v->len = ngx_sprintf(p, "%ui", r->connection->requests) - p;
|
|
1954 v->valid = 1;
|
|
1955 v->no_cacheable = 0;
|
|
1956 v->not_found = 0;
|
|
1957 v->data = p;
|
|
1958
|
|
1959 return NGX_OK;
|
|
1960 }
|
|
1961
|
|
1962
|
|
1963 static ngx_int_t
|
322
|
1964 ngx_http_variable_nginx_version(ngx_http_request_t *r,
|
|
1965 ngx_http_variable_value_t *v, uintptr_t data)
|
|
1966 {
|
|
1967 v->len = sizeof(NGINX_VERSION) - 1;
|
|
1968 v->valid = 1;
|
340
|
1969 v->no_cacheable = 0;
|
322
|
1970 v->not_found = 0;
|
|
1971 v->data = (u_char *) NGINX_VERSION;
|
|
1972
|
|
1973 return NGX_OK;
|
|
1974 }
|
|
1975
|
|
1976
|
376
|
1977 static ngx_int_t
|
|
1978 ngx_http_variable_hostname(ngx_http_request_t *r,
|
|
1979 ngx_http_variable_value_t *v, uintptr_t data)
|
|
1980 {
|
|
1981 v->len = ngx_cycle->hostname.len;
|
|
1982 v->valid = 1;
|
|
1983 v->no_cacheable = 0;
|
|
1984 v->not_found = 0;
|
|
1985 v->data = ngx_cycle->hostname.data;
|
|
1986
|
|
1987 return NGX_OK;
|
|
1988 }
|
|
1989
|
|
1990
|
410
|
1991 static ngx_int_t
|
|
1992 ngx_http_variable_pid(ngx_http_request_t *r,
|
|
1993 ngx_http_variable_value_t *v, uintptr_t data)
|
|
1994 {
|
|
1995 u_char *p;
|
|
1996
|
|
1997 p = ngx_pnalloc(r->pool, NGX_INT64_LEN);
|
|
1998 if (p == NULL) {
|
|
1999 return NGX_ERROR;
|
|
2000 }
|
|
2001
|
|
2002 v->len = ngx_sprintf(p, "%P", ngx_pid) - p;
|
|
2003 v->valid = 1;
|
|
2004 v->no_cacheable = 0;
|
|
2005 v->not_found = 0;
|
|
2006 v->data = p;
|
|
2007
|
|
2008 return NGX_OK;
|
|
2009 }
|
|
2010
|
|
2011
|
692
|
2012 static ngx_int_t
|
|
2013 ngx_http_variable_msec(ngx_http_request_t *r,
|
|
2014 ngx_http_variable_value_t *v, uintptr_t data)
|
|
2015 {
|
|
2016 u_char *p;
|
|
2017 ngx_time_t *tp;
|
|
2018
|
|
2019 p = ngx_pnalloc(r->pool, NGX_TIME_T_LEN + 4);
|
|
2020 if (p == NULL) {
|
|
2021 return NGX_ERROR;
|
|
2022 }
|
|
2023
|
|
2024 tp = ngx_timeofday();
|
|
2025
|
|
2026 v->len = ngx_sprintf(p, "%T.%03M", tp->sec, tp->msec) - p;
|
|
2027 v->valid = 1;
|
|
2028 v->no_cacheable = 0;
|
|
2029 v->not_found = 0;
|
|
2030 v->data = p;
|
|
2031
|
|
2032 return NGX_OK;
|
|
2033 }
|
|
2034
|
|
2035
|
616
|
2036 void *
|
628
|
2037 ngx_http_map_find(ngx_http_request_t *r, ngx_http_map_t *map, ngx_str_t *match)
|
616
|
2038 {
|
628
|
2039 void *value;
|
|
2040 u_char *low;
|
|
2041 size_t len;
|
|
2042 ngx_uint_t key;
|
|
2043
|
|
2044 len = match->len;
|
|
2045
|
|
2046 if (len) {
|
|
2047 low = ngx_pnalloc(r->pool, len);
|
|
2048 if (low == NULL) {
|
|
2049 return NULL;
|
|
2050 }
|
|
2051
|
|
2052 } else {
|
|
2053 low = NULL;
|
|
2054 }
|
|
2055
|
|
2056 key = ngx_hash_strlow(low, match->data, len);
|
|
2057
|
|
2058 value = ngx_hash_find_combined(&map->hash, key, low, len);
|
|
2059 if (value) {
|
|
2060 return value;
|
616
|
2061 }
|
|
2062
|
|
2063 #if (NGX_PCRE)
|
|
2064
|
|
2065 if (len && map->nregex) {
|
|
2066 ngx_int_t n;
|
|
2067 ngx_uint_t i;
|
|
2068 ngx_http_map_regex_t *reg;
|
|
2069
|
|
2070 reg = map->regex;
|
|
2071
|
|
2072 for (i = 0; i < map->nregex; i++) {
|
|
2073
|
|
2074 n = ngx_http_regex_exec(r, reg[i].regex, match);
|
|
2075
|
|
2076 if (n == NGX_OK) {
|
|
2077 return reg[i].value;
|
|
2078 }
|
|
2079
|
|
2080 if (n == NGX_DECLINED) {
|
|
2081 continue;
|
|
2082 }
|
|
2083
|
|
2084 /* NGX_ERROR */
|
|
2085
|
|
2086 return NULL;
|
|
2087 }
|
|
2088 }
|
|
2089
|
|
2090 #endif
|
|
2091
|
|
2092 return NULL;
|
|
2093 }
|
|
2094
|
|
2095
|
552
|
2096 #if (NGX_PCRE)
|
|
2097
|
546
|
2098 static ngx_int_t
|
|
2099 ngx_http_variable_not_found(ngx_http_request_t *r, ngx_http_variable_value_t *v,
|
|
2100 uintptr_t data)
|
|
2101 {
|
|
2102 v->not_found = 1;
|
|
2103 return NGX_OK;
|
|
2104 }
|
|
2105
|
|
2106
|
|
2107 ngx_http_regex_t *
|
|
2108 ngx_http_regex_compile(ngx_conf_t *cf, ngx_regex_compile_t *rc)
|
|
2109 {
|
|
2110 u_char *p;
|
|
2111 size_t size;
|
|
2112 ngx_str_t name;
|
|
2113 ngx_uint_t i, n;
|
|
2114 ngx_http_variable_t *v;
|
|
2115 ngx_http_regex_t *re;
|
|
2116 ngx_http_regex_variable_t *rv;
|
|
2117 ngx_http_core_main_conf_t *cmcf;
|
|
2118
|
|
2119 rc->pool = cf->pool;
|
|
2120
|
|
2121 if (ngx_regex_compile(rc) != NGX_OK) {
|
|
2122 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "%V", &rc->err);
|
|
2123 return NULL;
|
|
2124 }
|
|
2125
|
|
2126 re = ngx_pcalloc(cf->pool, sizeof(ngx_http_regex_t));
|
|
2127 if (re == NULL) {
|
|
2128 return NULL;
|
|
2129 }
|
|
2130
|
|
2131 re->regex = rc->regex;
|
|
2132 re->ncaptures = rc->captures;
|
|
2133
|
|
2134 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module);
|
|
2135 cmcf->ncaptures = ngx_max(cmcf->ncaptures, re->ncaptures);
|
|
2136
|
|
2137 n = (ngx_uint_t) rc->named_captures;
|
|
2138
|
|
2139 if (n == 0) {
|
|
2140 return re;
|
|
2141 }
|
|
2142
|
|
2143 rv = ngx_palloc(rc->pool, n * sizeof(ngx_http_regex_variable_t));
|
|
2144 if (rv == NULL) {
|
|
2145 return NULL;
|
|
2146 }
|
|
2147
|
|
2148 re->variables = rv;
|
|
2149 re->nvariables = n;
|
|
2150 re->name = rc->pattern;
|
|
2151
|
|
2152 size = rc->name_size;
|
|
2153 p = rc->names;
|
|
2154
|
|
2155 for (i = 0; i < n; i++) {
|
|
2156 rv[i].capture = 2 * ((p[0] << 8) + p[1]);
|
|
2157
|
|
2158 name.data = &p[2];
|
|
2159 name.len = ngx_strlen(name.data);
|
|
2160
|
|
2161 v = ngx_http_add_variable(cf, &name, NGX_HTTP_VAR_CHANGEABLE);
|
|
2162 if (v == NULL) {
|
|
2163 return NULL;
|
|
2164 }
|
|
2165
|
|
2166 rv[i].index = ngx_http_get_variable_index(cf, &name);
|
|
2167 if (rv[i].index == NGX_ERROR) {
|
|
2168 return NULL;
|
|
2169 }
|
|
2170
|
|
2171 v->get_handler = ngx_http_variable_not_found;
|
|
2172
|
560
|
2173 p += size;
|
546
|
2174 }
|
|
2175
|
|
2176 return re;
|
|
2177 }
|
|
2178
|
|
2179
|
|
2180 ngx_int_t
|
|
2181 ngx_http_regex_exec(ngx_http_request_t *r, ngx_http_regex_t *re, ngx_str_t *s)
|
|
2182 {
|
|
2183 ngx_int_t rc, index;
|
|
2184 ngx_uint_t i, n, len;
|
|
2185 ngx_http_variable_value_t *vv;
|
|
2186 ngx_http_core_main_conf_t *cmcf;
|
|
2187
|
|
2188 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module);
|
|
2189
|
|
2190 if (re->ncaptures) {
|
548
|
2191 len = cmcf->ncaptures;
|
546
|
2192
|
|
2193 if (r->captures == NULL) {
|
|
2194 r->captures = ngx_palloc(r->pool, len * sizeof(int));
|
|
2195 if (r->captures == NULL) {
|
|
2196 return NGX_ERROR;
|
|
2197 }
|
|
2198 }
|
|
2199
|
|
2200 } else {
|
|
2201 len = 0;
|
|
2202 }
|
|
2203
|
|
2204 rc = ngx_regex_exec(re->regex, s, r->captures, len);
|
|
2205
|
|
2206 if (rc == NGX_REGEX_NO_MATCHED) {
|
|
2207 return NGX_DECLINED;
|
|
2208 }
|
|
2209
|
|
2210 if (rc < 0) {
|
|
2211 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
|
|
2212 ngx_regex_exec_n " failed: %i on \"%V\" using \"%V\"",
|
|
2213 rc, s, &re->name);
|
|
2214 return NGX_ERROR;
|
|
2215 }
|
|
2216
|
|
2217 for (i = 0; i < re->nvariables; i++) {
|
|
2218
|
|
2219 n = re->variables[i].capture;
|
|
2220 index = re->variables[i].index;
|
|
2221 vv = &r->variables[index];
|
|
2222
|
|
2223 vv->len = r->captures[n + 1] - r->captures[n];
|
|
2224 vv->valid = 1;
|
|
2225 vv->no_cacheable = 0;
|
|
2226 vv->not_found = 0;
|
|
2227 vv->data = &s->data[r->captures[n]];
|
|
2228
|
|
2229 #if (NGX_DEBUG)
|
|
2230 {
|
|
2231 ngx_http_variable_t *v;
|
|
2232
|
|
2233 v = cmcf->variables.elts;
|
|
2234
|
|
2235 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
2236 "http regex set $%V to \"%*s\"",
|
|
2237 &v[index].name, vv->len, vv->data);
|
|
2238 }
|
|
2239 #endif
|
|
2240 }
|
|
2241
|
548
|
2242 r->ncaptures = rc * 2;
|
546
|
2243 r->captures_data = s->data;
|
|
2244
|
|
2245 return NGX_OK;
|
|
2246 }
|
|
2247
|
552
|
2248 #endif
|
|
2249
|
546
|
2250
|
48
|
2251 ngx_int_t
|
58
|
2252 ngx_http_variables_add_core_vars(ngx_conf_t *cf)
|
48
|
2253 {
|
160
|
2254 ngx_int_t rc;
|
676
|
2255 ngx_http_variable_t *cv, *v;
|
50
|
2256 ngx_http_core_main_conf_t *cmcf;
|
48
|
2257
|
58
|
2258 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module);
|
|
2259
|
160
|
2260 cmcf->variables_keys = ngx_pcalloc(cf->temp_pool,
|
|
2261 sizeof(ngx_hash_keys_arrays_t));
|
|
2262 if (cmcf->variables_keys == NULL) {
|
|
2263 return NGX_ERROR;
|
|
2264 }
|
|
2265
|
|
2266 cmcf->variables_keys->pool = cf->pool;
|
|
2267 cmcf->variables_keys->temp_pool = cf->pool;
|
|
2268
|
|
2269 if (ngx_hash_keys_array_init(cmcf->variables_keys, NGX_HASH_SMALL)
|
|
2270 != NGX_OK)
|
58
|
2271 {
|
48
|
2272 return NGX_ERROR;
|
|
2273 }
|
|
2274
|
676
|
2275 for (cv = ngx_http_core_variables; cv->name.len; cv++) {
|
|
2276 v = ngx_palloc(cf->pool, sizeof(ngx_http_variable_t));
|
|
2277 if (v == NULL) {
|
|
2278 return NGX_ERROR;
|
|
2279 }
|
|
2280
|
|
2281 *v = *cv;
|
|
2282
|
160
|
2283 rc = ngx_hash_add_key(cmcf->variables_keys, &v->name, v,
|
|
2284 NGX_HASH_READONLY_KEY);
|
|
2285
|
|
2286 if (rc == NGX_OK) {
|
|
2287 continue;
|
48
|
2288 }
|
|
2289
|
160
|
2290 if (rc == NGX_BUSY) {
|
|
2291 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
2292 "conflicting variable name \"%V\"", &v->name);
|
|
2293 }
|
|
2294
|
|
2295 return NGX_ERROR;
|
48
|
2296 }
|
|
2297
|
|
2298 return NGX_OK;
|
|
2299 }
|
58
|
2300
|
|
2301
|
|
2302 ngx_int_t
|
|
2303 ngx_http_variables_init_vars(ngx_conf_t *cf)
|
|
2304 {
|
|
2305 ngx_uint_t i, n;
|
160
|
2306 ngx_hash_key_t *key;
|
|
2307 ngx_hash_init_t hash;
|
58
|
2308 ngx_http_variable_t *v, *av;
|
|
2309 ngx_http_core_main_conf_t *cmcf;
|
|
2310
|
|
2311 /* set the handlers for the indexed http variables */
|
|
2312
|
|
2313 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module);
|
|
2314
|
|
2315 v = cmcf->variables.elts;
|
160
|
2316 key = cmcf->variables_keys->keys.elts;
|
58
|
2317
|
|
2318 for (i = 0; i < cmcf->variables.nelts; i++) {
|
|
2319
|
160
|
2320 for (n = 0; n < cmcf->variables_keys->keys.nelts; n++) {
|
58
|
2321
|
300
|
2322 av = key[n].value;
|
|
2323
|
|
2324 if (av->get_handler
|
|
2325 && v[i].name.len == key[n].key.len
|
160
|
2326 && ngx_strncmp(v[i].name.data, key[n].key.data, v[i].name.len)
|
58
|
2327 == 0)
|
|
2328 {
|
186
|
2329 v[i].get_handler = av->get_handler;
|
160
|
2330 v[i].data = av->data;
|
76
|
2331
|
160
|
2332 av->flags |= NGX_HTTP_VAR_INDEXED;
|
|
2333 v[i].flags = av->flags;
|
58
|
2334
|
160
|
2335 av->index = i;
|
82
|
2336
|
58
|
2337 goto next;
|
|
2338 }
|
|
2339 }
|
|
2340
|
|
2341 if (ngx_strncmp(v[i].name.data, "http_", 5) == 0) {
|
186
|
2342 v[i].get_handler = ngx_http_variable_unknown_header_in;
|
126
|
2343 v[i].data = (uintptr_t) &v[i].name;
|
|
2344
|
|
2345 continue;
|
|
2346 }
|
|
2347
|
|
2348 if (ngx_strncmp(v[i].name.data, "sent_http_", 10) == 0) {
|
186
|
2349 v[i].get_handler = ngx_http_variable_unknown_header_out;
|
58
|
2350 v[i].data = (uintptr_t) &v[i].name;
|
|
2351
|
|
2352 continue;
|
|
2353 }
|
|
2354
|
296
|
2355 if (ngx_strncmp(v[i].name.data, "upstream_http_", 14) == 0) {
|
|
2356 v[i].get_handler = ngx_http_upstream_header_variable;
|
|
2357 v[i].data = (uintptr_t) &v[i].name;
|
340
|
2358 v[i].flags = NGX_HTTP_VAR_NOCACHEABLE;
|
296
|
2359
|
|
2360 continue;
|
|
2361 }
|
|
2362
|
420
|
2363 if (ngx_strncmp(v[i].name.data, "cookie_", 7) == 0) {
|
|
2364 v[i].get_handler = ngx_http_variable_cookie;
|
|
2365 v[i].data = (uintptr_t) &v[i].name;
|
|
2366
|
|
2367 continue;
|
|
2368 }
|
|
2369
|
392
|
2370 if (ngx_strncmp(v[i].name.data, "arg_", 4) == 0) {
|
|
2371 v[i].get_handler = ngx_http_variable_argument;
|
|
2372 v[i].data = (uintptr_t) &v[i].name;
|
568
|
2373 v[i].flags = NGX_HTTP_VAR_NOCACHEABLE;
|
392
|
2374
|
|
2375 continue;
|
|
2376 }
|
|
2377
|
58
|
2378 ngx_log_error(NGX_LOG_EMERG, cf->log, 0,
|
|
2379 "unknown \"%V\" variable", &v[i].name);
|
|
2380
|
|
2381 return NGX_ERROR;
|
|
2382
|
|
2383 next:
|
|
2384 continue;
|
|
2385 }
|
|
2386
|
|
2387
|
160
|
2388 for (n = 0; n < cmcf->variables_keys->keys.nelts; n++) {
|
|
2389 av = key[n].value;
|
|
2390
|
|
2391 if (av->flags & NGX_HTTP_VAR_NOHASH) {
|
|
2392 key[n].key.data = NULL;
|
132
|
2393 }
|
|
2394 }
|
|
2395
|
|
2396
|
160
|
2397 hash.hash = &cmcf->variables_hash;
|
|
2398 hash.key = ngx_hash_key;
|
|
2399 hash.max_size = cmcf->variables_hash_max_size;
|
|
2400 hash.bucket_size = cmcf->variables_hash_bucket_size;
|
|
2401 hash.name = "variables_hash";
|
|
2402 hash.pool = cf->pool;
|
|
2403 hash.temp_pool = NULL;
|
58
|
2404
|
160
|
2405 if (ngx_hash_init(&hash, cmcf->variables_keys->keys.elts,
|
|
2406 cmcf->variables_keys->keys.nelts)
|
130
|
2407 != NGX_OK)
|
58
|
2408 {
|
|
2409 return NGX_ERROR;
|
|
2410 }
|
|
2411
|
160
|
2412 cmcf->variables_keys = NULL;
|
58
|
2413
|
|
2414 return NGX_OK;
|
|
2415 }
|