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48
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1
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 */
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5
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6
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7 #include <ngx_config.h>
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8 #include <ngx_core.h>
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9 #include <ngx_http.h>
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322
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10 #include <nginx.h>
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48
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11
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12
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122
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13 static ngx_int_t ngx_http_variable_request(ngx_http_request_t *r,
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14 ngx_http_variable_value_t *v, uintptr_t data);
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324
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15 static void ngx_http_variable_request_set(ngx_http_request_t *r,
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16 ngx_http_variable_value_t *v, uintptr_t data);
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186
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17 static void ngx_http_variable_request_set_size(ngx_http_request_t *r,
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18 ngx_http_variable_value_t *v, uintptr_t data);
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122
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19 static ngx_int_t ngx_http_variable_header(ngx_http_request_t *r,
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20 ngx_http_variable_value_t *v, uintptr_t data);
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21 static ngx_int_t ngx_http_variable_headers(ngx_http_request_t *r,
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22 ngx_http_variable_value_t *v, uintptr_t data);
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126
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23
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24 static ngx_int_t ngx_http_variable_unknown_header_in(ngx_http_request_t *r,
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122
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25 ngx_http_variable_value_t *v, uintptr_t data);
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126
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26 static ngx_int_t ngx_http_variable_unknown_header_out(ngx_http_request_t *r,
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27 ngx_http_variable_value_t *v, uintptr_t data);
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424
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28 static ngx_int_t ngx_http_variable_cookie(ngx_http_request_t *r,
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29 ngx_http_variable_value_t *v, uintptr_t data);
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392
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30 static ngx_int_t ngx_http_variable_argument(ngx_http_request_t *r,
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31 ngx_http_variable_value_t *v, uintptr_t data);
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126
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32
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122
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33 static ngx_int_t ngx_http_variable_host(ngx_http_request_t *r,
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34 ngx_http_variable_value_t *v, uintptr_t data);
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272
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35 static ngx_int_t ngx_http_variable_binary_remote_addr(ngx_http_request_t *r,
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36 ngx_http_variable_value_t *v, uintptr_t data);
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122
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37 static ngx_int_t ngx_http_variable_remote_addr(ngx_http_request_t *r,
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38 ngx_http_variable_value_t *v, uintptr_t data);
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39 static ngx_int_t ngx_http_variable_remote_port(ngx_http_request_t *r,
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40 ngx_http_variable_value_t *v, uintptr_t data);
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41 static ngx_int_t ngx_http_variable_server_addr(ngx_http_request_t *r,
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42 ngx_http_variable_value_t *v, uintptr_t data);
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43 static ngx_int_t ngx_http_variable_server_port(ngx_http_request_t *r,
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44 ngx_http_variable_value_t *v, uintptr_t data);
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238
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45 static ngx_int_t ngx_http_variable_scheme(ngx_http_request_t *r,
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46 ngx_http_variable_value_t *v, uintptr_t data);
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324
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47 static ngx_int_t ngx_http_variable_is_args(ngx_http_request_t *r,
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48 ngx_http_variable_value_t *v, uintptr_t data);
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122
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49 static ngx_int_t ngx_http_variable_document_root(ngx_http_request_t *r,
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50 ngx_http_variable_value_t *v, uintptr_t data);
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412
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51 static ngx_int_t ngx_http_variable_realpath_root(ngx_http_request_t *r,
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52 ngx_http_variable_value_t *v, uintptr_t data);
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122
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53 static ngx_int_t ngx_http_variable_request_filename(ngx_http_request_t *r,
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54 ngx_http_variable_value_t *v, uintptr_t data);
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362
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55 static ngx_int_t ngx_http_variable_server_name(ngx_http_request_t *r,
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56 ngx_http_variable_value_t *v, uintptr_t data);
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122
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57 static ngx_int_t ngx_http_variable_request_method(ngx_http_request_t *r,
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58 ngx_http_variable_value_t *v, uintptr_t data);
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59 static ngx_int_t ngx_http_variable_remote_user(ngx_http_request_t *r,
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60 ngx_http_variable_value_t *v, uintptr_t data);
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160
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61 static ngx_int_t ngx_http_variable_body_bytes_sent(ngx_http_request_t *r,
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62 ngx_http_variable_value_t *v, uintptr_t data);
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178
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63 static ngx_int_t ngx_http_variable_request_completion(ngx_http_request_t *r,
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64 ngx_http_variable_value_t *v, uintptr_t data);
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244
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65 static ngx_int_t ngx_http_variable_request_body_file(ngx_http_request_t *r,
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66 ngx_http_variable_value_t *v, uintptr_t data);
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48
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67
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190
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68 static ngx_int_t ngx_http_variable_sent_content_type(ngx_http_request_t *r,
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69 ngx_http_variable_value_t *v, uintptr_t data);
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70 static ngx_int_t ngx_http_variable_sent_content_length(ngx_http_request_t *r,
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71 ngx_http_variable_value_t *v, uintptr_t data);
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442
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72 static ngx_int_t ngx_http_variable_sent_location(ngx_http_request_t *r,
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73 ngx_http_variable_value_t *v, uintptr_t data);
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190
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74 static ngx_int_t ngx_http_variable_sent_last_modified(ngx_http_request_t *r,
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75 ngx_http_variable_value_t *v, uintptr_t data);
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76 static ngx_int_t ngx_http_variable_sent_connection(ngx_http_request_t *r,
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77 ngx_http_variable_value_t *v, uintptr_t data);
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78 static ngx_int_t ngx_http_variable_sent_keep_alive(ngx_http_request_t *r,
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79 ngx_http_variable_value_t *v, uintptr_t data);
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80 static ngx_int_t ngx_http_variable_sent_transfer_encoding(ngx_http_request_t *r,
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81 ngx_http_variable_value_t *v, uintptr_t data);
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82
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322
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83 static ngx_int_t ngx_http_variable_nginx_version(ngx_http_request_t *r,
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84 ngx_http_variable_value_t *v, uintptr_t data);
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376
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85 static ngx_int_t ngx_http_variable_hostname(ngx_http_request_t *r,
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86 ngx_http_variable_value_t *v, uintptr_t data);
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410
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87 static ngx_int_t ngx_http_variable_pid(ngx_http_request_t *r,
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88 ngx_http_variable_value_t *v, uintptr_t data);
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48
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89
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58
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90 /*
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91 * TODO:
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92 * Apache CGI: AUTH_TYPE, PATH_INFO (null), PATH_TRANSLATED
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93 * REMOTE_HOST (null), REMOTE_IDENT (null),
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94 * SERVER_SOFTWARE
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95 *
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120
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96 * Apache SSI: DOCUMENT_NAME, LAST_MODIFIED, USER_NAME (file owner)
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58
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97 */
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48
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98
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190
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99 /*
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100 * the $http_host, $http_user_agent, $http_referer, $http_via,
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101 * and $http_x_forwarded_for variables may be handled by generic
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102 * ngx_http_variable_unknown_header_in(), but for perfomance reasons
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103 * they are handled using dedicated entries
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104 */
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105
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58
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106 static ngx_http_variable_t ngx_http_core_variables[] = {
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107
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186
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108 { ngx_string("http_host"), NULL, ngx_http_variable_header,
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82
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109 offsetof(ngx_http_request_t, headers_in.host), 0, 0 },
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48
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110
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186
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111 { ngx_string("http_user_agent"), NULL, ngx_http_variable_header,
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82
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112 offsetof(ngx_http_request_t, headers_in.user_agent), 0, 0 },
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58
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113
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186
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114 { ngx_string("http_referer"), NULL, ngx_http_variable_header,
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82
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115 offsetof(ngx_http_request_t, headers_in.referer), 0, 0 },
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48
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116
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117 #if (NGX_HTTP_GZIP)
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186
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118 { ngx_string("http_via"), NULL, ngx_http_variable_header,
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82
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119 offsetof(ngx_http_request_t, headers_in.via), 0, 0 },
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48
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120 #endif
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121
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286
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122 #if (NGX_HTTP_PROXY || NGX_HTTP_REALIP)
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186
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123 { ngx_string("http_x_forwarded_for"), NULL, ngx_http_variable_header,
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82
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124 offsetof(ngx_http_request_t, headers_in.x_forwarded_for), 0, 0 },
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48
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125 #endif
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126
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186
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127 { ngx_string("http_cookie"), NULL, ngx_http_variable_headers,
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82
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128 offsetof(ngx_http_request_t, headers_in.cookies), 0, 0 },
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64
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129
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186
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130 { ngx_string("content_length"), NULL, ngx_http_variable_header,
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82
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131 offsetof(ngx_http_request_t, headers_in.content_length), 0, 0 },
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58
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132
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186
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133 { ngx_string("content_type"), NULL, ngx_http_variable_header,
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82
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134 offsetof(ngx_http_request_t, headers_in.content_type), 0, 0 },
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58
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135
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186
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136 { ngx_string("host"), NULL, ngx_http_variable_host, 0, 0, 0 },
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58
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137
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272
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138 { ngx_string("binary_remote_addr"), NULL,
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139 ngx_http_variable_binary_remote_addr, 0, 0, 0 },
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140
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186
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141 { ngx_string("remote_addr"), NULL, ngx_http_variable_remote_addr, 0, 0, 0 },
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48
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142
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186
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143 { ngx_string("remote_port"), NULL, ngx_http_variable_remote_port, 0, 0, 0 },
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58
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144
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186
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145 { ngx_string("server_addr"), NULL, ngx_http_variable_server_addr, 0, 0, 0 },
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58
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146
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186
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147 { ngx_string("server_port"), NULL, ngx_http_variable_server_port, 0, 0, 0 },
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58
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148
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186
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149 { ngx_string("server_protocol"), NULL, ngx_http_variable_request,
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82
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150 offsetof(ngx_http_request_t, http_protocol), 0, 0 },
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58
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151
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238
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152 { ngx_string("scheme"), NULL, ngx_http_variable_scheme, 0, 0, 0 },
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153
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186
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154 { ngx_string("request_uri"), NULL, ngx_http_variable_request,
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82
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155 offsetof(ngx_http_request_t, unparsed_uri), 0, 0 },
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48
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156
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186
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157 { ngx_string("uri"), NULL, ngx_http_variable_request,
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158 offsetof(ngx_http_request_t, uri),
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340
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159 NGX_HTTP_VAR_NOCACHEABLE, 0 },
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186
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160
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161 { ngx_string("document_uri"), NULL, ngx_http_variable_request,
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122
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162 offsetof(ngx_http_request_t, uri),
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340
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163 NGX_HTTP_VAR_NOCACHEABLE, 0 },
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122
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164
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186
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165 { ngx_string("request"), NULL, ngx_http_variable_request,
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118
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166 offsetof(ngx_http_request_t, request_line), 0, 0 },
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167
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186
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168 { ngx_string("document_root"), NULL,
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340
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169 ngx_http_variable_document_root, 0, NGX_HTTP_VAR_NOCACHEABLE, 0 },
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58
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170
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412
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171 { ngx_string("realpath_root"), NULL,
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172 ngx_http_variable_realpath_root, 0, NGX_HTTP_VAR_NOCACHEABLE, 0 },
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173
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186
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174 { ngx_string("query_string"), NULL, ngx_http_variable_request,
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58
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175 offsetof(ngx_http_request_t, args),
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340
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176 NGX_HTTP_VAR_NOCACHEABLE, 0 },
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48
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177
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324
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178 { ngx_string("args"),
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179 ngx_http_variable_request_set,
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180 ngx_http_variable_request,
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138
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181 offsetof(ngx_http_request_t, args),
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340
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182 NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE, 0 },
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324
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183
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184 { ngx_string("is_args"), NULL, ngx_http_variable_is_args,
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340
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185 0, NGX_HTTP_VAR_NOCACHEABLE, 0 },
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138
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186
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186
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187 { ngx_string("request_filename"), NULL,
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188 ngx_http_variable_request_filename, 0,
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340
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189 NGX_HTTP_VAR_NOCACHEABLE, 0 },
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58
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190
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362
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191 { ngx_string("server_name"), NULL, ngx_http_variable_server_name, 0, 0, 0 },
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58
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192
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186
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193 { ngx_string("request_method"), NULL,
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194 ngx_http_variable_request_method, 0, 0, 0 },
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58
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195
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186
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196 { ngx_string("remote_user"), NULL, ngx_http_variable_remote_user, 0, 0, 0 },
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58
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197
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186
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198 { ngx_string("body_bytes_sent"), NULL, ngx_http_variable_body_bytes_sent,
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160
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199 0, 0, 0 },
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200
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186
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201 { ngx_string("request_completion"), NULL,
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202 ngx_http_variable_request_completion,
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178
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203 0, 0, 0 },
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204
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244
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205 { ngx_string("request_body_file"), NULL,
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206 ngx_http_variable_request_body_file,
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207 0, 0, 0 },
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208
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190
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209 { ngx_string("sent_http_content_type"), NULL,
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210 ngx_http_variable_sent_content_type, 0, 0, 0 },
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211
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212 { ngx_string("sent_http_content_length"), NULL,
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213 ngx_http_variable_sent_content_length, 0, 0, 0 },
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214
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442
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215 { ngx_string("sent_http_location"), NULL,
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216 ngx_http_variable_sent_location, 0, 0, 0 },
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217
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190
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218 { ngx_string("sent_http_last_modified"), NULL,
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219 ngx_http_variable_sent_last_modified, 0, 0, 0 },
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220
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221 { ngx_string("sent_http_connection"), NULL,
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222 ngx_http_variable_sent_connection, 0, 0, 0 },
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223
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224 { ngx_string("sent_http_keep_alive"), NULL,
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225 ngx_http_variable_sent_keep_alive, 0, 0, 0 },
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226
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227 { ngx_string("sent_http_transfer_encoding"), NULL,
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228 ngx_http_variable_sent_transfer_encoding, 0, 0, 0 },
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229
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230 { ngx_string("sent_http_cache_control"), NULL, ngx_http_variable_headers,
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231 offsetof(ngx_http_request_t, headers_out.cache_control), 0, 0 },
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232
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186
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233 { ngx_string("limit_rate"), ngx_http_variable_request_set_size,
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234 ngx_http_variable_request,
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235 offsetof(ngx_http_request_t, limit_rate),
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340
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236 NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE, 0 },
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186
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237
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322
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238 { ngx_string("nginx_version"), NULL, ngx_http_variable_nginx_version,
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239 0, 0, 0 },
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240
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376
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241 { ngx_string("hostname"), NULL, ngx_http_variable_hostname,
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242 0, 0, 0 },
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243
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410
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244 { ngx_string("pid"), NULL, ngx_http_variable_pid,
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245 0, 0, 0 },
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246
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186
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247 { ngx_null_string, NULL, NULL, 0, 0, 0 }
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48
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248 };
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249
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250
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126
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251 ngx_http_variable_value_t ngx_http_variable_null_value =
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252 ngx_http_variable("");
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253 ngx_http_variable_value_t ngx_http_variable_true_value =
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254 ngx_http_variable("1");
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255
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256
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48
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257 ngx_http_variable_t *
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58
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258 ngx_http_add_variable(ngx_conf_t *cf, ngx_str_t *name, ngx_uint_t flags)
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259 {
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160
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260 ngx_int_t rc;
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58
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261 ngx_uint_t i;
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160
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262 ngx_hash_key_t *key;
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58
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263 ngx_http_variable_t *v;
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264 ngx_http_core_main_conf_t *cmcf;
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265
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266 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module);
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267
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160
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268 key = cmcf->variables_keys->keys.elts;
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269 for (i = 0; i < cmcf->variables_keys->keys.nelts; i++) {
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270 if (name->len != key[i].key.len
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271 || ngx_strncasecmp(name->data, key[i].key.data, name->len) != 0)
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58
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272 {
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273 continue;
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274 }
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275
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160
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276 v = key[i].value;
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277
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340
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278 if (!(v->flags & NGX_HTTP_VAR_CHANGEABLE)) {
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58
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279 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
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280 "the duplicate \"%V\" variable", name);
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281 return NULL;
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282 }
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283
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160
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284 return v;
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58
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285 }
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286
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160
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287 v = ngx_palloc(cf->pool, sizeof(ngx_http_variable_t));
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58
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288 if (v == NULL) {
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289 return NULL;
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290 }
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291
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292 v->name.len = name->len;
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382
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293 v->name.data = ngx_pnalloc(cf->pool, name->len);
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58
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294 if (v->name.data == NULL) {
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295 return NULL;
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296 }
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297
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392
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298 ngx_strlow(v->name.data, name->data, name->len);
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58
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299
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186
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300 v->set_handler = NULL;
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301 v->get_handler = NULL;
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58
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302 v->data = 0;
|
|
|
303 v->flags = flags;
|
|
82
|
304 v->index = 0;
|
|
58
|
305
|
|
160
|
306 rc = ngx_hash_add_key(cmcf->variables_keys, &v->name, v, 0);
|
|
|
307
|
|
|
308 if (rc == NGX_ERROR) {
|
|
|
309 return NULL;
|
|
|
310 }
|
|
|
311
|
|
|
312 if (rc == NGX_BUSY) {
|
|
|
313 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
314 "conflicting variable name \"%V\"", name);
|
|
|
315 return NULL;
|
|
|
316 }
|
|
|
317
|
|
58
|
318 return v;
|
|
|
319 }
|
|
|
320
|
|
|
321
|
|
|
322 ngx_int_t
|
|
|
323 ngx_http_get_variable_index(ngx_conf_t *cf, ngx_str_t *name)
|
|
48
|
324 {
|
|
50
|
325 ngx_uint_t i;
|
|
|
326 ngx_http_variable_t *v;
|
|
48
|
327 ngx_http_core_main_conf_t *cmcf;
|
|
|
328
|
|
|
329 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module);
|
|
|
330
|
|
50
|
331 v = cmcf->variables.elts;
|
|
|
332
|
|
|
333 if (v == NULL) {
|
|
48
|
334 if (ngx_array_init(&cmcf->variables, cf->pool, 4,
|
|
454
|
335 sizeof(ngx_http_variable_t))
|
|
|
336 != NGX_OK)
|
|
48
|
337 {
|
|
58
|
338 return NGX_ERROR;
|
|
48
|
339 }
|
|
50
|
340
|
|
|
341 } else {
|
|
|
342 for (i = 0; i < cmcf->variables.nelts; i++) {
|
|
|
343 if (name->len != v[i].name.len
|
|
|
344 || ngx_strncasecmp(name->data, v[i].name.data, name->len) != 0)
|
|
|
345 {
|
|
|
346 continue;
|
|
|
347 }
|
|
|
348
|
|
58
|
349 return i;
|
|
50
|
350 }
|
|
48
|
351 }
|
|
|
352
|
|
50
|
353 v = ngx_array_push(&cmcf->variables);
|
|
|
354 if (v == NULL) {
|
|
58
|
355 return NGX_ERROR;
|
|
48
|
356 }
|
|
|
357
|
|
50
|
358 v->name.len = name->len;
|
|
382
|
359 v->name.data = ngx_pnalloc(cf->pool, name->len);
|
|
50
|
360 if (v->name.data == NULL) {
|
|
58
|
361 return NGX_ERROR;
|
|
50
|
362 }
|
|
48
|
363
|
|
392
|
364 ngx_strlow(v->name.data, name->data, name->len);
|
|
50
|
365
|
|
186
|
366 v->set_handler = NULL;
|
|
|
367 v->get_handler = NULL;
|
|
50
|
368 v->data = 0;
|
|
58
|
369 v->flags = 0;
|
|
82
|
370 v->index = cmcf->variables.nelts - 1;
|
|
50
|
371
|
|
58
|
372 return cmcf->variables.nelts - 1;
|
|
48
|
373 }
|
|
|
374
|
|
|
375
|
|
|
376 ngx_http_variable_value_t *
|
|
|
377 ngx_http_get_indexed_variable(ngx_http_request_t *r, ngx_uint_t index)
|
|
|
378 {
|
|
50
|
379 ngx_http_variable_t *v;
|
|
48
|
380 ngx_http_core_main_conf_t *cmcf;
|
|
|
381
|
|
|
382 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module);
|
|
|
383
|
|
102
|
384 if (cmcf->variables.nelts <= index) {
|
|
48
|
385 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
|
|
|
386 "unknown variable index: %d", index);
|
|
|
387 return NULL;
|
|
|
388 }
|
|
|
389
|
|
122
|
390 if (r->variables[index].not_found || r->variables[index].valid) {
|
|
|
391 return &r->variables[index];
|
|
50
|
392 }
|
|
48
|
393
|
|
50
|
394 v = cmcf->variables.elts;
|
|
48
|
395
|
|
186
|
396 if (v[index].get_handler(r, &r->variables[index], v[index].data)
|
|
|
397 == NGX_OK)
|
|
|
398 {
|
|
340
|
399 if (v[index].flags & NGX_HTTP_VAR_NOCACHEABLE) {
|
|
|
400 r->variables[index].no_cacheable = 1;
|
|
48
|
401 }
|
|
122
|
402
|
|
|
403 return &r->variables[index];
|
|
48
|
404 }
|
|
|
405
|
|
206
|
406 r->variables[index].valid = 0;
|
|
|
407 r->variables[index].not_found = 1;
|
|
|
408
|
|
122
|
409 return NULL;
|
|
|
410 }
|
|
|
411
|
|
|
412
|
|
|
413 ngx_http_variable_value_t *
|
|
|
414 ngx_http_get_flushed_variable(ngx_http_request_t *r, ngx_uint_t index)
|
|
|
415 {
|
|
294
|
416 ngx_http_variable_value_t *v;
|
|
122
|
417
|
|
|
418 v = &r->variables[index];
|
|
|
419
|
|
|
420 if (v->valid) {
|
|
340
|
421 if (!v->no_cacheable) {
|
|
122
|
422 return v;
|
|
|
423 }
|
|
|
424
|
|
|
425 v->valid = 0;
|
|
|
426 v->not_found = 0;
|
|
58
|
427 }
|
|
50
|
428
|
|
122
|
429 return ngx_http_get_indexed_variable(r, index);
|
|
48
|
430 }
|
|
|
431
|
|
|
432
|
|
|
433 ngx_http_variable_value_t *
|
|
184
|
434 ngx_http_get_variable(ngx_http_request_t *r, ngx_str_t *name, ngx_uint_t key,
|
|
|
435 ngx_uint_t nowarn)
|
|
48
|
436 {
|
|
50
|
437 ngx_http_variable_t *v;
|
|
122
|
438 ngx_http_variable_value_t *vv;
|
|
48
|
439 ngx_http_core_main_conf_t *cmcf;
|
|
|
440
|
|
|
441 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module);
|
|
|
442
|
|
160
|
443 v = ngx_hash_find(&cmcf->variables_hash, key, name->data, name->len);
|
|
48
|
444
|
|
160
|
445 if (v) {
|
|
|
446 if (v->flags & NGX_HTTP_VAR_INDEXED) {
|
|
|
447 return ngx_http_get_indexed_variable(r, v->index);
|
|
68
|
448
|
|
|
449 } else {
|
|
48
|
450
|
|
122
|
451 vv = ngx_palloc(r->pool, sizeof(ngx_http_variable_value_t));
|
|
50
|
452
|
|
186
|
453 if (vv && v->get_handler(r, vv, v->data) == NGX_OK) {
|
|
122
|
454 return vv;
|
|
|
455 }
|
|
58
|
456
|
|
122
|
457 return NULL;
|
|
|
458 }
|
|
58
|
459 }
|
|
|
460
|
|
|
461 vv = ngx_palloc(r->pool, sizeof(ngx_http_variable_value_t));
|
|
|
462 if (vv == NULL) {
|
|
|
463 return NULL;
|
|
|
464 }
|
|
|
465
|
|
122
|
466 if (ngx_strncmp(name->data, "http_", 5) == 0) {
|
|
48
|
467
|
|
126
|
468 if (ngx_http_variable_unknown_header_in(r, vv, (uintptr_t) name)
|
|
|
469 == NGX_OK)
|
|
|
470 {
|
|
|
471 return vv;
|
|
|
472 }
|
|
|
473
|
|
|
474 return NULL;
|
|
|
475 }
|
|
|
476
|
|
|
477 if (ngx_strncmp(name->data, "sent_http_", 10) == 0) {
|
|
|
478
|
|
|
479 if (ngx_http_variable_unknown_header_out(r, vv, (uintptr_t) name)
|
|
|
480 == NGX_OK)
|
|
122
|
481 {
|
|
|
482 return vv;
|
|
|
483 }
|
|
48
|
484
|
|
|
485 return NULL;
|
|
|
486 }
|
|
|
487
|
|
296
|
488 if (ngx_strncmp(name->data, "upstream_http_", 10) == 0) {
|
|
|
489
|
|
|
490 if (ngx_http_upstream_header_variable(r, vv, (uintptr_t) name)
|
|
|
491 == NGX_OK)
|
|
|
492 {
|
|
|
493 return vv;
|
|
|
494 }
|
|
|
495
|
|
|
496 return NULL;
|
|
|
497 }
|
|
|
498
|
|
420
|
499 if (ngx_strncmp(name->data, "cookie_", 7) == 0) {
|
|
|
500
|
|
424
|
501 if (ngx_http_variable_cookie(r, vv, (uintptr_t) name) == NGX_OK) {
|
|
420
|
502 return vv;
|
|
|
503 }
|
|
|
504
|
|
|
505 return NULL;
|
|
|
506 }
|
|
|
507
|
|
392
|
508 if (ngx_strncmp(name->data, "arg_", 4) == 0) {
|
|
|
509
|
|
|
510 if (ngx_http_variable_argument(r, vv, (uintptr_t) name) == NGX_OK) {
|
|
|
511 return vv;
|
|
|
512 }
|
|
|
513
|
|
|
514 return NULL;
|
|
|
515 }
|
|
|
516
|
|
184
|
517 vv->not_found = 1;
|
|
122
|
518
|
|
184
|
519 if (nowarn == 0) {
|
|
|
520 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
521 "unknown \"%V\" variable", name);
|
|
|
522 }
|
|
48
|
523
|
|
50
|
524 return vv;
|
|
48
|
525 }
|
|
|
526
|
|
|
527
|
|
122
|
528 static ngx_int_t
|
|
|
529 ngx_http_variable_request(ngx_http_request_t *r, ngx_http_variable_value_t *v,
|
|
|
530 uintptr_t data)
|
|
|
531 {
|
|
|
532 ngx_str_t *s;
|
|
|
533
|
|
|
534 s = (ngx_str_t *) ((char *) r + data);
|
|
|
535
|
|
|
536 if (s->data) {
|
|
|
537 v->len = s->len;
|
|
|
538 v->valid = 1;
|
|
340
|
539 v->no_cacheable = 0;
|
|
122
|
540 v->not_found = 0;
|
|
|
541 v->data = s->data;
|
|
|
542
|
|
|
543 } else {
|
|
|
544 v->not_found = 1;
|
|
|
545 }
|
|
|
546
|
|
|
547 return NGX_OK;
|
|
|
548 }
|
|
|
549
|
|
|
550
|
|
186
|
551 static void
|
|
324
|
552 ngx_http_variable_request_set(ngx_http_request_t *r,
|
|
|
553 ngx_http_variable_value_t *v, uintptr_t data)
|
|
|
554 {
|
|
|
555 ngx_str_t *s;
|
|
|
556
|
|
|
557 s = (ngx_str_t *) ((char *) r + data);
|
|
|
558
|
|
|
559 s->len = v->len;
|
|
|
560 s->data = v->data;
|
|
|
561 }
|
|
|
562
|
|
|
563
|
|
|
564 static void
|
|
186
|
565 ngx_http_variable_request_set_size(ngx_http_request_t *r,
|
|
|
566 ngx_http_variable_value_t *v, uintptr_t data)
|
|
|
567 {
|
|
|
568 ssize_t s, *sp;
|
|
|
569 ngx_str_t val;
|
|
|
570
|
|
320
|
571 val.len = v->len;
|
|
186
|
572 val.data = v->data;
|
|
|
573
|
|
|
574 s = ngx_parse_size(&val);
|
|
|
575
|
|
|
576 if (s == NGX_ERROR) {
|
|
|
577 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
578 "invalid size \"%V\"", &val);
|
|
|
579 return;
|
|
|
580 }
|
|
|
581
|
|
|
582 sp = (ssize_t *) ((char *) r + data);
|
|
|
583
|
|
|
584 *sp = s;
|
|
|
585
|
|
|
586 return;
|
|
|
587 }
|
|
|
588
|
|
|
589
|
|
122
|
590 static ngx_int_t
|
|
|
591 ngx_http_variable_header(ngx_http_request_t *r, ngx_http_variable_value_t *v,
|
|
|
592 uintptr_t data)
|
|
64
|
593 {
|
|
122
|
594 ngx_table_elt_t *h;
|
|
|
595
|
|
|
596 h = *(ngx_table_elt_t **) ((char *) r + data);
|
|
|
597
|
|
|
598 if (h) {
|
|
|
599 v->len = h->value.len;
|
|
|
600 v->valid = 1;
|
|
340
|
601 v->no_cacheable = 0;
|
|
122
|
602 v->not_found = 0;
|
|
|
603 v->data = h->value.data;
|
|
|
604
|
|
|
605 } else {
|
|
|
606 v->not_found = 1;
|
|
|
607 }
|
|
|
608
|
|
|
609 return NGX_OK;
|
|
|
610 }
|
|
|
611
|
|
|
612
|
|
|
613 static ngx_int_t
|
|
|
614 ngx_http_variable_headers(ngx_http_request_t *r, ngx_http_variable_value_t *v,
|
|
|
615 uintptr_t data)
|
|
|
616 {
|
|
216
|
617 ssize_t len;
|
|
122
|
618 u_char *p;
|
|
216
|
619 ngx_uint_t i, n;
|
|
122
|
620 ngx_array_t *a;
|
|
|
621 ngx_table_elt_t **h;
|
|
64
|
622
|
|
|
623 a = (ngx_array_t *) ((char *) r + data);
|
|
|
624
|
|
216
|
625 n = a->nelts;
|
|
|
626
|
|
|
627 if (n == 0) {
|
|
122
|
628 v->not_found = 1;
|
|
|
629 return NGX_OK;
|
|
64
|
630 }
|
|
|
631
|
|
122
|
632 v->valid = 1;
|
|
340
|
633 v->no_cacheable = 0;
|
|
122
|
634 v->not_found = 0;
|
|
64
|
635
|
|
|
636 h = a->elts;
|
|
|
637
|
|
216
|
638 if (n == 1) {
|
|
122
|
639 v->len = (*h)->value.len;
|
|
|
640 v->data = (*h)->value.data;
|
|
64
|
641
|
|
122
|
642 return NGX_OK;
|
|
64
|
643 }
|
|
|
644
|
|
216
|
645 len = - (ssize_t) (sizeof("; ") - 1);
|
|
122
|
646
|
|
216
|
647 for (i = 0; i < n; i++) {
|
|
122
|
648 len += h[i]->value.len + sizeof("; ") - 1;
|
|
64
|
649 }
|
|
|
650
|
|
382
|
651 p = ngx_pnalloc(r->pool, len);
|
|
122
|
652 if (p == NULL) {
|
|
|
653 return NGX_ERROR;
|
|
|
654 }
|
|
|
655
|
|
|
656 v->len = len;
|
|
|
657 v->data = p;
|
|
64
|
658
|
|
|
659 for (i = 0; /* void */ ; i++) {
|
|
122
|
660 p = ngx_copy(p, h[i]->value.data, h[i]->value.len);
|
|
64
|
661
|
|
216
|
662 if (i == n - 1) {
|
|
64
|
663 break;
|
|
|
664 }
|
|
|
665
|
|
|
666 *p++ = ';'; *p++ = ' ';
|
|
|
667 }
|
|
|
668
|
|
122
|
669 return NGX_OK;
|
|
64
|
670 }
|
|
|
671
|
|
|
672
|
|
122
|
673 static ngx_int_t
|
|
126
|
674 ngx_http_variable_unknown_header_in(ngx_http_request_t *r,
|
|
|
675 ngx_http_variable_value_t *v, uintptr_t data)
|
|
|
676 {
|
|
|
677 return ngx_http_variable_unknown_header(v, (ngx_str_t *) data,
|
|
|
678 &r->headers_in.headers.part,
|
|
|
679 sizeof("http_") - 1);
|
|
|
680 }
|
|
|
681
|
|
|
682
|
|
|
683 static ngx_int_t
|
|
|
684 ngx_http_variable_unknown_header_out(ngx_http_request_t *r,
|
|
122
|
685 ngx_http_variable_value_t *v, uintptr_t data)
|
|
48
|
686 {
|
|
126
|
687 return ngx_http_variable_unknown_header(v, (ngx_str_t *) data,
|
|
|
688 &r->headers_out.headers.part,
|
|
|
689 sizeof("sent_http_") - 1);
|
|
|
690 }
|
|
50
|
691
|
|
126
|
692
|
|
296
|
693 ngx_int_t
|
|
126
|
694 ngx_http_variable_unknown_header(ngx_http_variable_value_t *v, ngx_str_t *var,
|
|
|
695 ngx_list_part_t *part, size_t prefix)
|
|
|
696 {
|
|
122
|
697 u_char ch;
|
|
|
698 ngx_uint_t i, n;
|
|
|
699 ngx_table_elt_t *header;
|
|
48
|
700
|
|
|
701 header = part->elts;
|
|
|
702
|
|
|
703 for (i = 0; /* void */ ; i++) {
|
|
|
704
|
|
|
705 if (i >= part->nelts) {
|
|
|
706 if (part->next == NULL) {
|
|
|
707 break;
|
|
|
708 }
|
|
|
709
|
|
|
710 part = part->next;
|
|
|
711 header = part->elts;
|
|
|
712 i = 0;
|
|
|
713 }
|
|
|
714
|
|
126
|
715 for (n = 0; n + prefix < var->len && n < header[i].key.len; n++) {
|
|
48
|
716 ch = header[i].key.data[n];
|
|
|
717
|
|
58
|
718 if (ch >= 'A' && ch <= 'Z') {
|
|
|
719 ch |= 0x20;
|
|
48
|
720
|
|
|
721 } else if (ch == '-') {
|
|
|
722 ch = '_';
|
|
|
723 }
|
|
|
724
|
|
126
|
725 if (var->data[n + prefix] != ch) {
|
|
48
|
726 break;
|
|
|
727 }
|
|
|
728 }
|
|
|
729
|
|
242
|
730 if (n + prefix == var->len && n == header[i].key.len) {
|
|
122
|
731 v->len = header[i].value.len;
|
|
|
732 v->valid = 1;
|
|
340
|
733 v->no_cacheable = 0;
|
|
122
|
734 v->not_found = 0;
|
|
|
735 v->data = header[i].value.data;
|
|
48
|
736
|
|
122
|
737 return NGX_OK;
|
|
48
|
738 }
|
|
|
739 }
|
|
|
740
|
|
122
|
741 v->not_found = 1;
|
|
|
742
|
|
|
743 return NGX_OK;
|
|
58
|
744 }
|
|
|
745
|
|
|
746
|
|
122
|
747 static ngx_int_t
|
|
420
|
748 ngx_http_variable_cookie(ngx_http_request_t *r, ngx_http_variable_value_t *v,
|
|
|
749 uintptr_t data)
|
|
|
750 {
|
|
|
751 ngx_str_t *name = (ngx_str_t *) data;
|
|
|
752
|
|
|
753 ngx_str_t cookie, s;
|
|
|
754
|
|
|
755 s.len = name->len - (sizeof("cookie_") - 1);
|
|
|
756 s.data = name->data + sizeof("cookie_") - 1;
|
|
|
757
|
|
|
758 if (ngx_http_parse_multi_header_lines(&r->headers_in.cookies, &s, &cookie)
|
|
|
759 == NGX_DECLINED)
|
|
|
760 {
|
|
|
761 v->not_found = 1;
|
|
|
762 return NGX_OK;
|
|
|
763 }
|
|
|
764
|
|
|
765 v->len = cookie.len;
|
|
|
766 v->valid = 1;
|
|
|
767 v->no_cacheable = 0;
|
|
|
768 v->not_found = 0;
|
|
|
769 v->data = cookie.data;
|
|
|
770
|
|
|
771 return NGX_OK;
|
|
|
772 }
|
|
|
773
|
|
|
774
|
|
|
775 static ngx_int_t
|
|
392
|
776 ngx_http_variable_argument(ngx_http_request_t *r, ngx_http_variable_value_t *v,
|
|
|
777 uintptr_t data)
|
|
|
778 {
|
|
|
779 ngx_str_t *name = (ngx_str_t *) data;
|
|
|
780
|
|
432
|
781 u_char *arg;
|
|
|
782 size_t len;
|
|
|
783 ngx_str_t value;
|
|
392
|
784
|
|
432
|
785 len = name->len - (sizeof("arg_") - 1);
|
|
|
786 arg = name->data + sizeof("arg_") - 1;
|
|
|
787
|
|
|
788 if (ngx_http_arg(r, arg, len, &value) != NGX_OK) {
|
|
392
|
789 v->not_found = 1;
|
|
|
790 return NGX_OK;
|
|
|
791 }
|
|
|
792
|
|
432
|
793 v->data = value.data;
|
|
|
794 v->len = value.len;
|
|
|
795 v->valid = 1;
|
|
|
796 v->no_cacheable = 0;
|
|
|
797 v->not_found = 0;
|
|
392
|
798
|
|
|
799 return NGX_OK;
|
|
|
800 }
|
|
|
801
|
|
|
802
|
|
|
803 static ngx_int_t
|
|
122
|
804 ngx_http_variable_host(ngx_http_request_t *r, ngx_http_variable_value_t *v,
|
|
|
805 uintptr_t data)
|
|
58
|
806 {
|
|
362
|
807 ngx_http_core_srv_conf_t *cscf;
|
|
|
808
|
|
376
|
809 if (r->headers_in.server.len) {
|
|
|
810 v->len = r->headers_in.server.len;
|
|
|
811 v->data = r->headers_in.server.data;
|
|
270
|
812
|
|
|
813 } else {
|
|
376
|
814 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
|
|
|
815
|
|
|
816 v->len = cscf->server_name.len;
|
|
|
817 v->data = cscf->server_name.data;
|
|
58
|
818 }
|
|
|
819
|
|
122
|
820 v->valid = 1;
|
|
340
|
821 v->no_cacheable = 0;
|
|
122
|
822 v->not_found = 0;
|
|
58
|
823
|
|
122
|
824 return NGX_OK;
|
|
48
|
825 }
|
|
|
826
|
|
|
827
|
|
122
|
828 static ngx_int_t
|
|
272
|
829 ngx_http_variable_binary_remote_addr(ngx_http_request_t *r,
|
|
|
830 ngx_http_variable_value_t *v, uintptr_t data)
|
|
|
831 {
|
|
448
|
832 struct sockaddr_in *sin;
|
|
|
833 #if (NGX_HAVE_INET6)
|
|
|
834 struct sockaddr_in6 *sin6;
|
|
|
835 #endif
|
|
272
|
836
|
|
448
|
837 switch (r->connection->sockaddr->sa_family) {
|
|
272
|
838
|
|
448
|
839 #if (NGX_HAVE_INET6)
|
|
|
840 case AF_INET6:
|
|
|
841 sin6 = (struct sockaddr_in6 *) r->connection->sockaddr;
|
|
272
|
842
|
|
448
|
843 v->len = sizeof(struct in6_addr);
|
|
|
844 v->valid = 1;
|
|
|
845 v->no_cacheable = 0;
|
|
|
846 v->not_found = 0;
|
|
|
847 v->data = (u_char *) &sin6->sin6_addr;
|
|
|
848
|
|
|
849 break;
|
|
|
850 #endif
|
|
|
851
|
|
|
852 default: /* AF_INET */
|
|
|
853 sin = (struct sockaddr_in *) r->connection->sockaddr;
|
|
|
854
|
|
|
855 v->len = sizeof(in_addr_t);
|
|
|
856 v->valid = 1;
|
|
|
857 v->no_cacheable = 0;
|
|
|
858 v->not_found = 0;
|
|
|
859 v->data = (u_char *) &sin->sin_addr;
|
|
|
860
|
|
|
861 break;
|
|
|
862 }
|
|
272
|
863
|
|
|
864 return NGX_OK;
|
|
|
865 }
|
|
|
866
|
|
|
867
|
|
|
868 static ngx_int_t
|
|
122
|
869 ngx_http_variable_remote_addr(ngx_http_request_t *r,
|
|
|
870 ngx_http_variable_value_t *v, uintptr_t data)
|
|
48
|
871 {
|
|
122
|
872 v->len = r->connection->addr_text.len;
|
|
|
873 v->valid = 1;
|
|
340
|
874 v->no_cacheable = 0;
|
|
122
|
875 v->not_found = 0;
|
|
|
876 v->data = r->connection->addr_text.data;
|
|
48
|
877
|
|
122
|
878 return NGX_OK;
|
|
48
|
879 }
|
|
|
880
|
|
|
881
|
|
122
|
882 static ngx_int_t
|
|
|
883 ngx_http_variable_remote_port(ngx_http_request_t *r,
|
|
|
884 ngx_http_variable_value_t *v, uintptr_t data)
|
|
48
|
885 {
|
|
448
|
886 ngx_uint_t port;
|
|
|
887 struct sockaddr_in *sin;
|
|
|
888 #if (NGX_HAVE_INET6)
|
|
|
889 struct sockaddr_in6 *sin6;
|
|
|
890 #endif
|
|
58
|
891
|
|
122
|
892 v->len = 0;
|
|
|
893 v->valid = 1;
|
|
340
|
894 v->no_cacheable = 0;
|
|
122
|
895 v->not_found = 0;
|
|
58
|
896
|
|
382
|
897 v->data = ngx_pnalloc(r->pool, sizeof("65535") - 1);
|
|
122
|
898 if (v->data == NULL) {
|
|
|
899 return NGX_ERROR;
|
|
58
|
900 }
|
|
|
901
|
|
448
|
902 switch (r->connection->sockaddr->sa_family) {
|
|
126
|
903
|
|
448
|
904 #if (NGX_HAVE_INET6)
|
|
|
905 case AF_INET6:
|
|
|
906 sin6 = (struct sockaddr_in6 *) r->connection->sockaddr;
|
|
|
907 port = ntohs(sin6->sin6_port);
|
|
|
908 break;
|
|
|
909 #endif
|
|
126
|
910
|
|
448
|
911 default: /* AF_INET */
|
|
|
912 sin = (struct sockaddr_in *) r->connection->sockaddr;
|
|
58
|
913 port = ntohs(sin->sin_port);
|
|
448
|
914 break;
|
|
|
915 }
|
|
126
|
916
|
|
448
|
917 if (port > 0 && port < 65536) {
|
|
|
918 v->len = ngx_sprintf(v->data, "%ui", port) - v->data;
|
|
58
|
919 }
|
|
|
920
|
|
122
|
921 return NGX_OK;
|
|
58
|
922 }
|
|
|
923
|
|
|
924
|
|
122
|
925 static ngx_int_t
|
|
|
926 ngx_http_variable_server_addr(ngx_http_request_t *r,
|
|
|
927 ngx_http_variable_value_t *v, uintptr_t data)
|
|
58
|
928 {
|
|
362
|
929 ngx_str_t s;
|
|
448
|
930 u_char addr[NGX_SOCKADDR_STRLEN];
|
|
48
|
931
|
|
448
|
932 s.len = NGX_SOCKADDR_STRLEN;
|
|
|
933 s.data = addr;
|
|
|
934
|
|
|
935 if (ngx_http_server_addr(r, &s) != NGX_OK) {
|
|
|
936 return NGX_ERROR;
|
|
|
937 }
|
|
|
938
|
|
|
939 s.data = ngx_pnalloc(r->pool, s.len);
|
|
362
|
940 if (s.data == NULL) {
|
|
122
|
941 return NGX_ERROR;
|
|
58
|
942 }
|
|
|
943
|
|
448
|
944 ngx_memcpy(s.data, addr, s.len);
|
|
58
|
945
|
|
362
|
946 v->len = s.len;
|
|
122
|
947 v->valid = 1;
|
|
340
|
948 v->no_cacheable = 0;
|
|
122
|
949 v->not_found = 0;
|
|
362
|
950 v->data = s.data;
|
|
48
|
951
|
|
122
|
952 return NGX_OK;
|
|
48
|
953 }
|
|
|
954
|
|
|
955
|
|
122
|
956 static ngx_int_t
|
|
|
957 ngx_http_variable_server_port(ngx_http_request_t *r,
|
|
|
958 ngx_http_variable_value_t *v, uintptr_t data)
|
|
58
|
959 {
|
|
454
|
960 ngx_uint_t port;
|
|
|
961 struct sockaddr_in *sin;
|
|
|
962 #if (NGX_HAVE_INET6)
|
|
|
963 struct sockaddr_in6 *sin6;
|
|
|
964 #endif
|
|
|
965
|
|
|
966 v->len = 0;
|
|
122
|
967 v->valid = 1;
|
|
340
|
968 v->no_cacheable = 0;
|
|
122
|
969 v->not_found = 0;
|
|
454
|
970
|
|
|
971 if (ngx_http_server_addr(r, NULL) != NGX_OK) {
|
|
|
972 return NGX_ERROR;
|
|
|
973 }
|
|
|
974
|
|
|
975 v->data = ngx_pnalloc(r->pool, sizeof("65535") - 1);
|
|
|
976 if (v->data == NULL) {
|
|
|
977 return NGX_ERROR;
|
|
|
978 }
|
|
|
979
|
|
|
980 switch (r->connection->local_sockaddr->sa_family) {
|
|
|
981
|
|
|
982 #if (NGX_HAVE_INET6)
|
|
|
983 case AF_INET6:
|
|
|
984 sin6 = (struct sockaddr_in6 *) r->connection->local_sockaddr;
|
|
|
985 port = ntohs(sin6->sin6_port);
|
|
|
986 break;
|
|
|
987 #endif
|
|
|
988
|
|
|
989 default: /* AF_INET */
|
|
|
990 sin = (struct sockaddr_in *) r->connection->local_sockaddr;
|
|
|
991 port = ntohs(sin->sin_port);
|
|
|
992 break;
|
|
|
993 }
|
|
|
994
|
|
|
995 if (port > 0 && port < 65536) {
|
|
|
996 v->len = ngx_sprintf(v->data, "%ui", port) - v->data;
|
|
|
997 }
|
|
58
|
998
|
|
122
|
999 return NGX_OK;
|
|
58
|
1000 }
|
|
|
1001
|
|
|
1002
|
|
122
|
1003 static ngx_int_t
|
|
238
|
1004 ngx_http_variable_scheme(ngx_http_request_t *r,
|
|
|
1005 ngx_http_variable_value_t *v, uintptr_t data)
|
|
|
1006 {
|
|
|
1007 #if (NGX_HTTP_SSL)
|
|
|
1008
|
|
|
1009 if (r->connection->ssl) {
|
|
|
1010 v->len = sizeof("https") - 1;
|
|
|
1011 v->valid = 1;
|
|
340
|
1012 v->no_cacheable = 0;
|
|
238
|
1013 v->not_found = 0;
|
|
|
1014 v->data = (u_char *) "https";
|
|
|
1015
|
|
|
1016 return NGX_OK;
|
|
|
1017 }
|
|
|
1018
|
|
|
1019 #endif
|
|
|
1020
|
|
|
1021 v->len = sizeof("http") - 1;
|
|
|
1022 v->valid = 1;
|
|
340
|
1023 v->no_cacheable = 0;
|
|
238
|
1024 v->not_found = 0;
|
|
|
1025 v->data = (u_char *) "http";
|
|
|
1026
|
|
|
1027 return NGX_OK;
|
|
|
1028 }
|
|
|
1029
|
|
|
1030
|
|
|
1031 static ngx_int_t
|
|
324
|
1032 ngx_http_variable_is_args(ngx_http_request_t *r,
|
|
|
1033 ngx_http_variable_value_t *v, uintptr_t data)
|
|
|
1034 {
|
|
|
1035 v->valid = 1;
|
|
340
|
1036 v->no_cacheable = 0;
|
|
324
|
1037 v->not_found = 0;
|
|
|
1038
|
|
|
1039 if (r->args.len == 0) {
|
|
|
1040 v->len = 0;
|
|
|
1041 v->data = NULL;
|
|
|
1042 return NGX_OK;
|
|
|
1043 }
|
|
|
1044
|
|
|
1045 v->len = 1;
|
|
|
1046 v->data = (u_char *) "?";
|
|
|
1047
|
|
|
1048 return NGX_OK;
|
|
|
1049 }
|
|
|
1050
|
|
|
1051
|
|
|
1052 static ngx_int_t
|
|
122
|
1053 ngx_http_variable_document_root(ngx_http_request_t *r,
|
|
|
1054 ngx_http_variable_value_t *v, uintptr_t data)
|
|
48
|
1055 {
|
|
220
|
1056 ngx_str_t path;
|
|
122
|
1057 ngx_http_core_loc_conf_t *clcf;
|
|
58
|
1058
|
|
|
1059 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
|
1060
|
|
220
|
1061 if (clcf->root_lengths == NULL) {
|
|
|
1062 v->len = clcf->root.len;
|
|
|
1063 v->valid = 1;
|
|
340
|
1064 v->no_cacheable = 0;
|
|
220
|
1065 v->not_found = 0;
|
|
|
1066 v->data = clcf->root.data;
|
|
|
1067
|
|
|
1068 } else {
|
|
|
1069 if (ngx_http_script_run(r, &path, clcf->root_lengths->elts, 0,
|
|
|
1070 clcf->root_values->elts)
|
|
|
1071 == NULL)
|
|
|
1072 {
|
|
|
1073 return NGX_ERROR;
|
|
|
1074 }
|
|
|
1075
|
|
454
|
1076 if (ngx_conf_full_name((ngx_cycle_t *) ngx_cycle, &path, 0) != NGX_OK) {
|
|
220
|
1077 return NGX_ERROR;
|
|
|
1078 }
|
|
|
1079
|
|
|
1080 v->len = path.len;
|
|
|
1081 v->valid = 1;
|
|
340
|
1082 v->no_cacheable = 0;
|
|
220
|
1083 v->not_found = 0;
|
|
|
1084 v->data = path.data;
|
|
|
1085 }
|
|
58
|
1086
|
|
122
|
1087 return NGX_OK;
|
|
58
|
1088 }
|
|
|
1089
|
|
|
1090
|
|
122
|
1091 static ngx_int_t
|
|
412
|
1092 ngx_http_variable_realpath_root(ngx_http_request_t *r,
|
|
|
1093 ngx_http_variable_value_t *v, uintptr_t data)
|
|
|
1094 {
|
|
|
1095 size_t len;
|
|
|
1096 ngx_str_t path;
|
|
|
1097 ngx_http_core_loc_conf_t *clcf;
|
|
|
1098 u_char real[NGX_MAX_PATH];
|
|
|
1099
|
|
|
1100 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
|
1101
|
|
|
1102 if (clcf->root_lengths == NULL) {
|
|
|
1103 path = clcf->root;
|
|
|
1104
|
|
|
1105 } else {
|
|
|
1106 if (ngx_http_script_run(r, &path, clcf->root_lengths->elts, 1,
|
|
|
1107 clcf->root_values->elts)
|
|
|
1108 == NULL)
|
|
|
1109 {
|
|
|
1110 return NGX_ERROR;
|
|
|
1111 }
|
|
|
1112
|
|
|
1113 path.data[path.len - 1] = '\0';
|
|
|
1114
|
|
454
|
1115 if (ngx_conf_full_name((ngx_cycle_t *) ngx_cycle, &path, 0) != NGX_OK) {
|
|
412
|
1116 return NGX_ERROR;
|
|
|
1117 }
|
|
|
1118 }
|
|
|
1119
|
|
|
1120 if (ngx_realpath(path.data, real) == NULL) {
|
|
|
1121 ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno,
|
|
|
1122 ngx_realpath_n " \"%s\" failed", path.data);
|
|
|
1123 return NGX_ERROR;
|
|
|
1124 }
|
|
|
1125
|
|
|
1126 len = ngx_strlen(real);
|
|
|
1127
|
|
|
1128 v->data = ngx_pnalloc(r->pool, len);
|
|
|
1129 if (v->data == NULL) {
|
|
|
1130 return NGX_ERROR;
|
|
|
1131 }
|
|
|
1132
|
|
|
1133 v->len = len;
|
|
|
1134 v->valid = 1;
|
|
|
1135 v->no_cacheable = 0;
|
|
|
1136 v->not_found = 0;
|
|
|
1137
|
|
|
1138 ngx_memcpy(v->data, real, len);
|
|
|
1139
|
|
|
1140 return NGX_OK;
|
|
|
1141 }
|
|
|
1142
|
|
|
1143
|
|
|
1144 static ngx_int_t
|
|
122
|
1145 ngx_http_variable_request_filename(ngx_http_request_t *r,
|
|
|
1146 ngx_http_variable_value_t *v, uintptr_t data)
|
|
58
|
1147 {
|
|
248
|
1148 size_t root;
|
|
122
|
1149 ngx_str_t path;
|
|
48
|
1150
|
|
248
|
1151 if (ngx_http_map_uri_to_path(r, &path, &root, 0) == NULL) {
|
|
122
|
1152 return NGX_ERROR;
|
|
106
|
1153 }
|
|
58
|
1154
|
|
106
|
1155 /* ngx_http_map_uri_to_path() allocates memory for terminating '\0' */
|
|
58
|
1156
|
|
122
|
1157 v->len = path.len - 1;
|
|
|
1158 v->valid = 1;
|
|
340
|
1159 v->no_cacheable = 0;
|
|
122
|
1160 v->not_found = 0;
|
|
|
1161 v->data = path.data;
|
|
48
|
1162
|
|
122
|
1163 return NGX_OK;
|
|
48
|
1164 }
|
|
|
1165
|
|
|
1166
|
|
122
|
1167 static ngx_int_t
|
|
362
|
1168 ngx_http_variable_server_name(ngx_http_request_t *r,
|
|
|
1169 ngx_http_variable_value_t *v, uintptr_t data)
|
|
|
1170 {
|
|
|
1171 ngx_http_core_srv_conf_t *cscf;
|
|
|
1172
|
|
|
1173 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
|
|
|
1174
|
|
|
1175 v->len = cscf->server_name.len;
|
|
|
1176 v->valid = 1;
|
|
|
1177 v->no_cacheable = 0;
|
|
|
1178 v->not_found = 0;
|
|
|
1179 v->data = cscf->server_name.data;
|
|
|
1180
|
|
|
1181 return NGX_OK;
|
|
|
1182 }
|
|
|
1183
|
|
|
1184
|
|
|
1185 static ngx_int_t
|
|
122
|
1186 ngx_http_variable_request_method(ngx_http_request_t *r,
|
|
|
1187 ngx_http_variable_value_t *v, uintptr_t data)
|
|
110
|
1188 {
|
|
196
|
1189 if (r->main->method_name.data) {
|
|
|
1190 v->len = r->main->method_name.len;
|
|
122
|
1191 v->valid = 1;
|
|
340
|
1192 v->no_cacheable = 0;
|
|
122
|
1193 v->not_found = 0;
|
|
196
|
1194 v->data = r->main->method_name.data;
|
|
122
|
1195
|
|
|
1196 } else {
|
|
|
1197 v->not_found = 1;
|
|
110
|
1198 }
|
|
|
1199
|
|
122
|
1200 return NGX_OK;
|
|
110
|
1201 }
|
|
|
1202
|
|
|
1203
|
|
122
|
1204 static ngx_int_t
|
|
|
1205 ngx_http_variable_remote_user(ngx_http_request_t *r,
|
|
|
1206 ngx_http_variable_value_t *v, uintptr_t data)
|
|
88
|
1207 {
|
|
122
|
1208 ngx_int_t rc;
|
|
88
|
1209
|
|
|
1210 rc = ngx_http_auth_basic_user(r);
|
|
|
1211
|
|
|
1212 if (rc == NGX_DECLINED) {
|
|
122
|
1213 v->not_found = 1;
|
|
|
1214 return NGX_OK;
|
|
88
|
1215 }
|
|
|
1216
|
|
|
1217 if (rc == NGX_ERROR) {
|
|
122
|
1218 return NGX_ERROR;
|
|
88
|
1219 }
|
|
|
1220
|
|
122
|
1221 v->len = r->headers_in.user.len;
|
|
|
1222 v->valid = 1;
|
|
340
|
1223 v->no_cacheable = 0;
|
|
122
|
1224 v->not_found = 0;
|
|
|
1225 v->data = r->headers_in.user.data;
|
|
120
|
1226
|
|
122
|
1227 return NGX_OK;
|
|
120
|
1228 }
|
|
|
1229
|
|
|
1230
|
|
160
|
1231 static ngx_int_t
|
|
|
1232 ngx_http_variable_body_bytes_sent(ngx_http_request_t *r,
|
|
|
1233 ngx_http_variable_value_t *v, uintptr_t data)
|
|
|
1234 {
|
|
|
1235 off_t sent;
|
|
|
1236 u_char *p;
|
|
|
1237
|
|
|
1238 sent = r->connection->sent - r->header_size;
|
|
|
1239
|
|
|
1240 if (sent < 0) {
|
|
|
1241 sent = 0;
|
|
|
1242 }
|
|
|
1243
|
|
382
|
1244 p = ngx_pnalloc(r->pool, NGX_OFF_T_LEN);
|
|
160
|
1245 if (p == NULL) {
|
|
|
1246 return NGX_ERROR;
|
|
|
1247 }
|
|
|
1248
|
|
|
1249 v->len = ngx_sprintf(p, "%O", sent) - p;
|
|
|
1250 v->valid = 1;
|
|
340
|
1251 v->no_cacheable = 0;
|
|
160
|
1252 v->not_found = 0;
|
|
|
1253 v->data = p;
|
|
|
1254
|
|
|
1255 return NGX_OK;
|
|
|
1256 }
|
|
|
1257
|
|
|
1258
|
|
178
|
1259 static ngx_int_t
|
|
190
|
1260 ngx_http_variable_sent_content_type(ngx_http_request_t *r,
|
|
|
1261 ngx_http_variable_value_t *v, uintptr_t data)
|
|
|
1262 {
|
|
|
1263 if (r->headers_out.content_type.len) {
|
|
|
1264 v->len = r->headers_out.content_type.len;
|
|
|
1265 v->valid = 1;
|
|
340
|
1266 v->no_cacheable = 0;
|
|
190
|
1267 v->not_found = 0;
|
|
|
1268 v->data = r->headers_out.content_type.data;
|
|
|
1269
|
|
|
1270 } else {
|
|
|
1271 v->not_found = 1;
|
|
|
1272 }
|
|
|
1273
|
|
|
1274 return NGX_OK;
|
|
|
1275 }
|
|
|
1276
|
|
|
1277
|
|
|
1278 static ngx_int_t
|
|
|
1279 ngx_http_variable_sent_content_length(ngx_http_request_t *r,
|
|
|
1280 ngx_http_variable_value_t *v, uintptr_t data)
|
|
|
1281 {
|
|
|
1282 u_char *p;
|
|
|
1283
|
|
|
1284 if (r->headers_out.content_length) {
|
|
|
1285 v->len = r->headers_out.content_length->value.len;
|
|
|
1286 v->valid = 1;
|
|
340
|
1287 v->no_cacheable = 0;
|
|
190
|
1288 v->not_found = 0;
|
|
|
1289 v->data = r->headers_out.content_length->value.data;
|
|
|
1290
|
|
|
1291 return NGX_OK;
|
|
|
1292 }
|
|
|
1293
|
|
|
1294 if (r->headers_out.content_length_n >= 0) {
|
|
382
|
1295 p = ngx_pnalloc(r->pool, NGX_OFF_T_LEN);
|
|
190
|
1296 if (p == NULL) {
|
|
|
1297 return NGX_ERROR;
|
|
|
1298 }
|
|
|
1299
|
|
|
1300 v->len = ngx_sprintf(p, "%O", r->headers_out.content_length_n) - p;
|
|
|
1301 v->valid = 1;
|
|
340
|
1302 v->no_cacheable = 0;
|
|
190
|
1303 v->not_found = 0;
|
|
|
1304 v->data = p;
|
|
|
1305
|
|
|
1306 return NGX_OK;
|
|
|
1307 }
|
|
|
1308
|
|
|
1309 v->not_found = 1;
|
|
|
1310
|
|
|
1311 return NGX_OK;
|
|
|
1312 }
|
|
|
1313
|
|
|
1314
|
|
|
1315 static ngx_int_t
|
|
442
|
1316 ngx_http_variable_sent_location(ngx_http_request_t *r,
|
|
|
1317 ngx_http_variable_value_t *v, uintptr_t data)
|
|
|
1318 {
|
|
454
|
1319 ngx_str_t name;
|
|
|
1320
|
|
442
|
1321 if (r->headers_out.location) {
|
|
|
1322 v->len = r->headers_out.location->value.len;
|
|
|
1323 v->valid = 1;
|
|
|
1324 v->no_cacheable = 0;
|
|
|
1325 v->not_found = 0;
|
|
|
1326 v->data = r->headers_out.location->value.data;
|
|
|
1327
|
|
|
1328 return NGX_OK;
|
|
|
1329 }
|
|
|
1330
|
|
454
|
1331 name.len = sizeof("sent_http_location") - 1;
|
|
|
1332 name.data = (u_char *) "sent_http_location";
|
|
|
1333
|
|
|
1334 return ngx_http_variable_unknown_header(v, &name,
|
|
442
|
1335 &r->headers_out.headers.part,
|
|
|
1336 sizeof("sent_http_") - 1);
|
|
|
1337 }
|
|
|
1338
|
|
|
1339
|
|
|
1340 static ngx_int_t
|
|
190
|
1341 ngx_http_variable_sent_last_modified(ngx_http_request_t *r,
|
|
|
1342 ngx_http_variable_value_t *v, uintptr_t data)
|
|
|
1343 {
|
|
|
1344 u_char *p;
|
|
|
1345
|
|
|
1346 if (r->headers_out.last_modified) {
|
|
|
1347 v->len = r->headers_out.last_modified->value.len;
|
|
|
1348 v->valid = 1;
|
|
340
|
1349 v->no_cacheable = 0;
|
|
190
|
1350 v->not_found = 0;
|
|
|
1351 v->data = r->headers_out.last_modified->value.data;
|
|
|
1352
|
|
|
1353 return NGX_OK;
|
|
|
1354 }
|
|
|
1355
|
|
|
1356 if (r->headers_out.last_modified_time >= 0) {
|
|
382
|
1357 p = ngx_pnalloc(r->pool,
|
|
190
|
1358 sizeof("Last-Modified: Mon, 28 Sep 1970 06:00:00 GMT") - 1);
|
|
|
1359 if (p == NULL) {
|
|
|
1360 return NGX_ERROR;
|
|
|
1361 }
|
|
|
1362
|
|
|
1363 v->len = ngx_http_time(p, r->headers_out.last_modified_time) - p;
|
|
|
1364 v->valid = 1;
|
|
340
|
1365 v->no_cacheable = 0;
|
|
190
|
1366 v->not_found = 0;
|
|
|
1367 v->data = p;
|
|
|
1368
|
|
|
1369 return NGX_OK;
|
|
|
1370 }
|
|
|
1371
|
|
|
1372 v->not_found = 1;
|
|
|
1373
|
|
|
1374 return NGX_OK;
|
|
|
1375 }
|
|
|
1376
|
|
|
1377
|
|
|
1378 static ngx_int_t
|
|
|
1379 ngx_http_variable_sent_connection(ngx_http_request_t *r,
|
|
|
1380 ngx_http_variable_value_t *v, uintptr_t data)
|
|
|
1381 {
|
|
|
1382 size_t len;
|
|
|
1383 char *p;
|
|
|
1384
|
|
|
1385 if (r->keepalive) {
|
|
|
1386 len = sizeof("keep-alive") - 1;
|
|
|
1387 p = "keep-alive";
|
|
|
1388
|
|
|
1389 } else {
|
|
|
1390 len = sizeof("close") - 1;
|
|
|
1391 p = "close";
|
|
|
1392 }
|
|
|
1393
|
|
|
1394 v->len = len;
|
|
|
1395 v->valid = 1;
|
|
340
|
1396 v->no_cacheable = 0;
|
|
190
|
1397 v->not_found = 0;
|
|
|
1398 v->data = (u_char *) p;
|
|
|
1399
|
|
|
1400 return NGX_OK;
|
|
|
1401 }
|
|
|
1402
|
|
|
1403
|
|
|
1404 static ngx_int_t
|
|
|
1405 ngx_http_variable_sent_keep_alive(ngx_http_request_t *r,
|
|
|
1406 ngx_http_variable_value_t *v, uintptr_t data)
|
|
|
1407 {
|
|
|
1408 u_char *p;
|
|
|
1409 ngx_http_core_loc_conf_t *clcf;
|
|
|
1410
|
|
|
1411 if (r->keepalive) {
|
|
|
1412 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
|
1413
|
|
|
1414 if (clcf->keepalive_header) {
|
|
|
1415
|
|
382
|
1416 p = ngx_pnalloc(r->pool, sizeof("timeout=") - 1 + NGX_TIME_T_LEN);
|
|
190
|
1417 if (p == NULL) {
|
|
|
1418 return NGX_ERROR;
|
|
|
1419 }
|
|
|
1420
|
|
|
1421 v->len = ngx_sprintf(p, "timeout=%T", clcf->keepalive_header) - p;
|
|
|
1422 v->valid = 1;
|
|
340
|
1423 v->no_cacheable = 0;
|
|
190
|
1424 v->not_found = 0;
|
|
|
1425 v->data = p;
|
|
|
1426
|
|
|
1427 return NGX_OK;
|
|
|
1428 }
|
|
|
1429 }
|
|
|
1430
|
|
|
1431 v->not_found = 1;
|
|
|
1432
|
|
|
1433 return NGX_OK;
|
|
|
1434 }
|
|
|
1435
|
|
|
1436
|
|
|
1437 static ngx_int_t
|
|
|
1438 ngx_http_variable_sent_transfer_encoding(ngx_http_request_t *r,
|
|
|
1439 ngx_http_variable_value_t *v, uintptr_t data)
|
|
|
1440 {
|
|
|
1441 if (r->chunked) {
|
|
|
1442 v->len = sizeof("chunked") - 1;
|
|
|
1443 v->valid = 1;
|
|
340
|
1444 v->no_cacheable = 0;
|
|
190
|
1445 v->not_found = 0;
|
|
|
1446 v->data = (u_char *) "chunked";
|
|
|
1447
|
|
|
1448 } else {
|
|
|
1449 v->not_found = 1;
|
|
|
1450 }
|
|
|
1451
|
|
|
1452 return NGX_OK;
|
|
|
1453 }
|
|
|
1454
|
|
|
1455
|
|
|
1456 static ngx_int_t
|
|
178
|
1457 ngx_http_variable_request_completion(ngx_http_request_t *r,
|
|
|
1458 ngx_http_variable_value_t *v, uintptr_t data)
|
|
|
1459 {
|
|
|
1460 if (r->request_complete) {
|
|
|
1461 v->len = 2;
|
|
|
1462 v->valid = 1;
|
|
340
|
1463 v->no_cacheable = 0;
|
|
178
|
1464 v->not_found = 0;
|
|
|
1465 v->data = (u_char *) "OK";
|
|
|
1466
|
|
|
1467 return NGX_OK;
|
|
|
1468 }
|
|
|
1469
|
|
|
1470 v->len = 0;
|
|
|
1471 v->valid = 1;
|
|
340
|
1472 v->no_cacheable = 0;
|
|
178
|
1473 v->not_found = 0;
|
|
|
1474 v->data = (u_char *) "";
|
|
|
1475
|
|
|
1476 return NGX_OK;
|
|
|
1477 }
|
|
|
1478
|
|
|
1479
|
|
244
|
1480 static ngx_int_t
|
|
|
1481 ngx_http_variable_request_body_file(ngx_http_request_t *r,
|
|
|
1482 ngx_http_variable_value_t *v, uintptr_t data)
|
|
|
1483 {
|
|
|
1484 if (r->request_body == NULL || r->request_body->temp_file == NULL) {
|
|
246
|
1485 v->not_found = 1;
|
|
244
|
1486
|
|
|
1487 return NGX_OK;
|
|
|
1488 }
|
|
|
1489
|
|
|
1490 v->len = r->request_body->temp_file->file.name.len;
|
|
|
1491 v->valid = 1;
|
|
340
|
1492 v->no_cacheable = 0;
|
|
244
|
1493 v->not_found = 0;
|
|
|
1494 v->data = r->request_body->temp_file->file.name.data;
|
|
|
1495
|
|
|
1496 return NGX_OK;
|
|
|
1497 }
|
|
|
1498
|
|
|
1499
|
|
322
|
1500 static ngx_int_t
|
|
|
1501 ngx_http_variable_nginx_version(ngx_http_request_t *r,
|
|
|
1502 ngx_http_variable_value_t *v, uintptr_t data)
|
|
|
1503 {
|
|
|
1504 v->len = sizeof(NGINX_VERSION) - 1;
|
|
|
1505 v->valid = 1;
|
|
340
|
1506 v->no_cacheable = 0;
|
|
322
|
1507 v->not_found = 0;
|
|
|
1508 v->data = (u_char *) NGINX_VERSION;
|
|
|
1509
|
|
|
1510 return NGX_OK;
|
|
|
1511 }
|
|
|
1512
|
|
|
1513
|
|
376
|
1514 static ngx_int_t
|
|
|
1515 ngx_http_variable_hostname(ngx_http_request_t *r,
|
|
|
1516 ngx_http_variable_value_t *v, uintptr_t data)
|
|
|
1517 {
|
|
|
1518 v->len = ngx_cycle->hostname.len;
|
|
|
1519 v->valid = 1;
|
|
|
1520 v->no_cacheable = 0;
|
|
|
1521 v->not_found = 0;
|
|
|
1522 v->data = ngx_cycle->hostname.data;
|
|
|
1523
|
|
|
1524 return NGX_OK;
|
|
|
1525 }
|
|
|
1526
|
|
|
1527
|
|
410
|
1528 static ngx_int_t
|
|
|
1529 ngx_http_variable_pid(ngx_http_request_t *r,
|
|
|
1530 ngx_http_variable_value_t *v, uintptr_t data)
|
|
|
1531 {
|
|
|
1532 u_char *p;
|
|
|
1533
|
|
|
1534 p = ngx_pnalloc(r->pool, NGX_INT64_LEN);
|
|
|
1535 if (p == NULL) {
|
|
|
1536 return NGX_ERROR;
|
|
|
1537 }
|
|
|
1538
|
|
|
1539 v->len = ngx_sprintf(p, "%P", ngx_pid) - p;
|
|
|
1540 v->valid = 1;
|
|
|
1541 v->no_cacheable = 0;
|
|
|
1542 v->not_found = 0;
|
|
|
1543 v->data = p;
|
|
|
1544
|
|
|
1545 return NGX_OK;
|
|
|
1546 }
|
|
|
1547
|
|
|
1548
|
|
48
|
1549 ngx_int_t
|
|
58
|
1550 ngx_http_variables_add_core_vars(ngx_conf_t *cf)
|
|
48
|
1551 {
|
|
160
|
1552 ngx_int_t rc;
|
|
|
1553 ngx_http_variable_t *v;
|
|
50
|
1554 ngx_http_core_main_conf_t *cmcf;
|
|
48
|
1555
|
|
58
|
1556 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module);
|
|
|
1557
|
|
160
|
1558 cmcf->variables_keys = ngx_pcalloc(cf->temp_pool,
|
|
|
1559 sizeof(ngx_hash_keys_arrays_t));
|
|
|
1560 if (cmcf->variables_keys == NULL) {
|
|
|
1561 return NGX_ERROR;
|
|
|
1562 }
|
|
|
1563
|
|
|
1564 cmcf->variables_keys->pool = cf->pool;
|
|
|
1565 cmcf->variables_keys->temp_pool = cf->pool;
|
|
|
1566
|
|
|
1567 if (ngx_hash_keys_array_init(cmcf->variables_keys, NGX_HASH_SMALL)
|
|
|
1568 != NGX_OK)
|
|
58
|
1569 {
|
|
48
|
1570 return NGX_ERROR;
|
|
|
1571 }
|
|
|
1572
|
|
160
|
1573 for (v = ngx_http_core_variables; v->name.len; v++) {
|
|
|
1574 rc = ngx_hash_add_key(cmcf->variables_keys, &v->name, v,
|
|
|
1575 NGX_HASH_READONLY_KEY);
|
|
|
1576
|
|
|
1577 if (rc == NGX_OK) {
|
|
|
1578 continue;
|
|
48
|
1579 }
|
|
|
1580
|
|
160
|
1581 if (rc == NGX_BUSY) {
|
|
|
1582 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1583 "conflicting variable name \"%V\"", &v->name);
|
|
|
1584 }
|
|
|
1585
|
|
|
1586 return NGX_ERROR;
|
|
48
|
1587 }
|
|
|
1588
|
|
|
1589 return NGX_OK;
|
|
|
1590 }
|
|
58
|
1591
|
|
|
1592
|
|
|
1593 ngx_int_t
|
|
|
1594 ngx_http_variables_init_vars(ngx_conf_t *cf)
|
|
|
1595 {
|
|
|
1596 ngx_uint_t i, n;
|
|
160
|
1597 ngx_hash_key_t *key;
|
|
|
1598 ngx_hash_init_t hash;
|
|
58
|
1599 ngx_http_variable_t *v, *av;
|
|
|
1600 ngx_http_core_main_conf_t *cmcf;
|
|
|
1601
|
|
|
1602 /* set the handlers for the indexed http variables */
|
|
|
1603
|
|
|
1604 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module);
|
|
|
1605
|
|
|
1606 v = cmcf->variables.elts;
|
|
160
|
1607 key = cmcf->variables_keys->keys.elts;
|
|
58
|
1608
|
|
|
1609 for (i = 0; i < cmcf->variables.nelts; i++) {
|
|
|
1610
|
|
160
|
1611 for (n = 0; n < cmcf->variables_keys->keys.nelts; n++) {
|
|
58
|
1612
|
|
300
|
1613 av = key[n].value;
|
|
|
1614
|
|
|
1615 if (av->get_handler
|
|
|
1616 && v[i].name.len == key[n].key.len
|
|
160
|
1617 && ngx_strncmp(v[i].name.data, key[n].key.data, v[i].name.len)
|
|
58
|
1618 == 0)
|
|
|
1619 {
|
|
186
|
1620 v[i].get_handler = av->get_handler;
|
|
160
|
1621 v[i].data = av->data;
|
|
76
|
1622
|
|
160
|
1623 av->flags |= NGX_HTTP_VAR_INDEXED;
|
|
|
1624 v[i].flags = av->flags;
|
|
58
|
1625
|
|
160
|
1626 av->index = i;
|
|
82
|
1627
|
|
58
|
1628 goto next;
|
|
|
1629 }
|
|
|
1630 }
|
|
|
1631
|
|
|
1632 if (ngx_strncmp(v[i].name.data, "http_", 5) == 0) {
|
|
186
|
1633 v[i].get_handler = ngx_http_variable_unknown_header_in;
|
|
126
|
1634 v[i].data = (uintptr_t) &v[i].name;
|
|
|
1635
|
|
|
1636 continue;
|
|
|
1637 }
|
|
|
1638
|
|
|
1639 if (ngx_strncmp(v[i].name.data, "sent_http_", 10) == 0) {
|
|
186
|
1640 v[i].get_handler = ngx_http_variable_unknown_header_out;
|
|
58
|
1641 v[i].data = (uintptr_t) &v[i].name;
|
|
|
1642
|
|
|
1643 continue;
|
|
|
1644 }
|
|
|
1645
|
|
296
|
1646 if (ngx_strncmp(v[i].name.data, "upstream_http_", 14) == 0) {
|
|
|
1647 v[i].get_handler = ngx_http_upstream_header_variable;
|
|
|
1648 v[i].data = (uintptr_t) &v[i].name;
|
|
340
|
1649 v[i].flags = NGX_HTTP_VAR_NOCACHEABLE;
|
|
296
|
1650
|
|
|
1651 continue;
|
|
|
1652 }
|
|
|
1653
|
|
420
|
1654 if (ngx_strncmp(v[i].name.data, "cookie_", 7) == 0) {
|
|
|
1655 v[i].get_handler = ngx_http_variable_cookie;
|
|
|
1656 v[i].data = (uintptr_t) &v[i].name;
|
|
|
1657
|
|
|
1658 continue;
|
|
|
1659 }
|
|
|
1660
|
|
392
|
1661 if (ngx_strncmp(v[i].name.data, "arg_", 4) == 0) {
|
|
|
1662 v[i].get_handler = ngx_http_variable_argument;
|
|
|
1663 v[i].data = (uintptr_t) &v[i].name;
|
|
|
1664
|
|
|
1665 continue;
|
|
|
1666 }
|
|
|
1667
|
|
58
|
1668 ngx_log_error(NGX_LOG_EMERG, cf->log, 0,
|
|
|
1669 "unknown \"%V\" variable", &v[i].name);
|
|
|
1670
|
|
|
1671 return NGX_ERROR;
|
|
|
1672
|
|
|
1673 next:
|
|
|
1674 continue;
|
|
|
1675 }
|
|
|
1676
|
|
|
1677
|
|
160
|
1678 for (n = 0; n < cmcf->variables_keys->keys.nelts; n++) {
|
|
|
1679 av = key[n].value;
|
|
|
1680
|
|
|
1681 if (av->flags & NGX_HTTP_VAR_NOHASH) {
|
|
|
1682 key[n].key.data = NULL;
|
|
132
|
1683 }
|
|
|
1684 }
|
|
|
1685
|
|
|
1686
|
|
160
|
1687 hash.hash = &cmcf->variables_hash;
|
|
|
1688 hash.key = ngx_hash_key;
|
|
|
1689 hash.max_size = cmcf->variables_hash_max_size;
|
|
|
1690 hash.bucket_size = cmcf->variables_hash_bucket_size;
|
|
|
1691 hash.name = "variables_hash";
|
|
|
1692 hash.pool = cf->pool;
|
|
|
1693 hash.temp_pool = NULL;
|
|
58
|
1694
|
|
160
|
1695 if (ngx_hash_init(&hash, cmcf->variables_keys->keys.elts,
|
|
|
1696 cmcf->variables_keys->keys.nelts)
|
|
130
|
1697 != NGX_OK)
|
|
58
|
1698 {
|
|
|
1699 return NGX_ERROR;
|
|
|
1700 }
|
|
|
1701
|
|
160
|
1702 cmcf->variables_keys = NULL;
|
|
58
|
1703
|
|
|
1704 return NGX_OK;
|
|
|
1705 }
|
|
422
|
1706
|
|
|
1707
|
|
|
1708 void
|
|
|
1709 ngx_http_variable_value_rbtree_insert(ngx_rbtree_node_t *temp,
|
|
|
1710 ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel)
|
|
|
1711 {
|
|
|
1712 ngx_rbtree_node_t **p;
|
|
|
1713 ngx_http_variable_value_node_t *vvn, *vvt;
|
|
|
1714
|
|
|
1715 for ( ;; ) {
|
|
|
1716
|
|
|
1717 vvn = (ngx_http_variable_value_node_t *) node;
|
|
|
1718 vvt = (ngx_http_variable_value_node_t *) temp;
|
|
|
1719
|
|
|
1720 if (node->key != temp->key) {
|
|
|
1721
|
|
|
1722 p = (node->key < temp->key) ? &temp->left : &temp->right;
|
|
|
1723
|
|
|
1724 } else if (vvn->len != vvt->len) {
|
|
|
1725
|
|
|
1726 p = (vvn->len < vvt->len) ? &temp->left : &temp->right;
|
|
|
1727
|
|
|
1728 } else {
|
|
|
1729 p = (ngx_memcmp(vvn->value->data, vvt->value->data, vvn->len) < 0)
|
|
|
1730 ? &temp->left : &temp->right;
|
|
|
1731 }
|
|
|
1732
|
|
|
1733 if (*p == sentinel) {
|
|
|
1734 break;
|
|
|
1735 }
|
|
|
1736
|
|
|
1737 temp = *p;
|
|
|
1738 }
|
|
|
1739
|
|
|
1740 *p = node;
|
|
|
1741 node->parent = temp;
|
|
|
1742 node->left = sentinel;
|
|
|
1743 node->right = sentinel;
|
|
|
1744 ngx_rbt_red(node);
|
|
|
1745 }
|
|
|
1746
|
|
|
1747
|
|
|
1748 ngx_http_variable_value_t *
|
|
|
1749 ngx_http_variable_value_lookup(ngx_rbtree_t *rbtree, ngx_str_t *val,
|
|
|
1750 uint32_t hash)
|
|
|
1751 {
|
|
|
1752 ngx_int_t rc;
|
|
|
1753 ngx_rbtree_node_t *node, *sentinel;
|
|
|
1754 ngx_http_variable_value_node_t *vvn;
|
|
|
1755
|
|
|
1756 node = rbtree->root;
|
|
|
1757 sentinel = rbtree->sentinel;
|
|
|
1758
|
|
|
1759 while (node != sentinel) {
|
|
|
1760
|
|
|
1761 vvn = (ngx_http_variable_value_node_t *) node;
|
|
|
1762
|
|
|
1763 if (hash != node->key) {
|
|
|
1764 node = (hash < node->key) ? node->left : node->right;
|
|
|
1765 continue;
|
|
|
1766 }
|
|
|
1767
|
|
|
1768 if (val->len != vvn->len) {
|
|
|
1769 node = (val->len < vvn->len) ? node->left : node->right;
|
|
|
1770 continue;
|
|
|
1771 }
|
|
|
1772
|
|
|
1773 rc = ngx_memcmp(val->data, vvn->value->data, val->len);
|
|
|
1774
|
|
|
1775 if (rc < 0) {
|
|
|
1776 node = node->left;
|
|
|
1777 continue;
|
|
|
1778 }
|
|
|
1779
|
|
|
1780 if (rc > 0) {
|
|
|
1781 node = node->right;
|
|
|
1782 continue;
|
|
|
1783 }
|
|
|
1784
|
|
|
1785 return vvn->value;
|
|
|
1786 }
|
|
|
1787
|
|
|
1788 return NULL;
|
|
|
1789 }
|
