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