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