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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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492
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65 static ngx_int_t ngx_http_variable_request_body(ngx_http_request_t *r,
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66 ngx_http_variable_value_t *v, uintptr_t data);
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244
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67 static ngx_int_t ngx_http_variable_request_body_file(ngx_http_request_t *r,
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68 ngx_http_variable_value_t *v, uintptr_t data);
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48
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69
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190
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70 static ngx_int_t ngx_http_variable_sent_content_type(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_content_length(ngx_http_request_t *r,
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73 ngx_http_variable_value_t *v, uintptr_t data);
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442
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74 static ngx_int_t ngx_http_variable_sent_location(ngx_http_request_t *r,
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75 ngx_http_variable_value_t *v, uintptr_t data);
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190
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76 static ngx_int_t ngx_http_variable_sent_last_modified(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_connection(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_keep_alive(ngx_http_request_t *r,
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81 ngx_http_variable_value_t *v, uintptr_t data);
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82 static ngx_int_t ngx_http_variable_sent_transfer_encoding(ngx_http_request_t *r,
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83 ngx_http_variable_value_t *v, uintptr_t data);
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84
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322
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85 static ngx_int_t ngx_http_variable_nginx_version(ngx_http_request_t *r,
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86 ngx_http_variable_value_t *v, uintptr_t data);
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376
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87 static ngx_int_t ngx_http_variable_hostname(ngx_http_request_t *r,
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88 ngx_http_variable_value_t *v, uintptr_t data);
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410
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89 static ngx_int_t ngx_http_variable_pid(ngx_http_request_t *r,
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90 ngx_http_variable_value_t *v, uintptr_t data);
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48
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91
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58
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92 /*
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93 * TODO:
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94 * Apache CGI: AUTH_TYPE, PATH_INFO (null), PATH_TRANSLATED
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95 * REMOTE_HOST (null), REMOTE_IDENT (null),
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96 * SERVER_SOFTWARE
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97 *
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120
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98 * Apache SSI: DOCUMENT_NAME, LAST_MODIFIED, USER_NAME (file owner)
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58
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99 */
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48
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100
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190
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101 /*
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102 * the $http_host, $http_user_agent, $http_referer, $http_via,
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103 * and $http_x_forwarded_for variables may be handled by generic
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104 * ngx_http_variable_unknown_header_in(), but for perfomance reasons
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105 * they are handled using dedicated entries
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106 */
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107
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58
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108 static ngx_http_variable_t ngx_http_core_variables[] = {
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109
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186
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110 { ngx_string("http_host"), NULL, ngx_http_variable_header,
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82
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111 offsetof(ngx_http_request_t, headers_in.host), 0, 0 },
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48
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112
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186
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113 { ngx_string("http_user_agent"), NULL, ngx_http_variable_header,
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82
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114 offsetof(ngx_http_request_t, headers_in.user_agent), 0, 0 },
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58
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115
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186
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116 { ngx_string("http_referer"), NULL, ngx_http_variable_header,
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82
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117 offsetof(ngx_http_request_t, headers_in.referer), 0, 0 },
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48
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118
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119 #if (NGX_HTTP_GZIP)
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186
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120 { ngx_string("http_via"), NULL, ngx_http_variable_header,
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82
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121 offsetof(ngx_http_request_t, headers_in.via), 0, 0 },
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48
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122 #endif
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123
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286
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124 #if (NGX_HTTP_PROXY || NGX_HTTP_REALIP)
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186
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125 { ngx_string("http_x_forwarded_for"), NULL, ngx_http_variable_header,
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82
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126 offsetof(ngx_http_request_t, headers_in.x_forwarded_for), 0, 0 },
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48
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127 #endif
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128
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186
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129 { ngx_string("http_cookie"), NULL, ngx_http_variable_headers,
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82
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130 offsetof(ngx_http_request_t, headers_in.cookies), 0, 0 },
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64
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131
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186
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132 { ngx_string("content_length"), NULL, ngx_http_variable_header,
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82
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133 offsetof(ngx_http_request_t, headers_in.content_length), 0, 0 },
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58
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134
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186
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135 { ngx_string("content_type"), NULL, ngx_http_variable_header,
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82
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136 offsetof(ngx_http_request_t, headers_in.content_type), 0, 0 },
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58
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137
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186
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138 { ngx_string("host"), NULL, ngx_http_variable_host, 0, 0, 0 },
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58
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139
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272
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140 { ngx_string("binary_remote_addr"), NULL,
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141 ngx_http_variable_binary_remote_addr, 0, 0, 0 },
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142
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186
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143 { ngx_string("remote_addr"), NULL, ngx_http_variable_remote_addr, 0, 0, 0 },
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48
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144
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186
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145 { ngx_string("remote_port"), NULL, ngx_http_variable_remote_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_addr"), NULL, ngx_http_variable_server_addr, 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_port"), NULL, ngx_http_variable_server_port, 0, 0, 0 },
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58
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150
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186
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151 { ngx_string("server_protocol"), NULL, ngx_http_variable_request,
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82
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152 offsetof(ngx_http_request_t, http_protocol), 0, 0 },
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58
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153
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238
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154 { ngx_string("scheme"), NULL, ngx_http_variable_scheme, 0, 0, 0 },
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155
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186
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156 { ngx_string("request_uri"), NULL, ngx_http_variable_request,
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82
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157 offsetof(ngx_http_request_t, unparsed_uri), 0, 0 },
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48
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158
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186
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159 { ngx_string("uri"), NULL, ngx_http_variable_request,
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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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186
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162
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163 { ngx_string("document_uri"), NULL, ngx_http_variable_request,
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122
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164 offsetof(ngx_http_request_t, uri),
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340
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165 NGX_HTTP_VAR_NOCACHEABLE, 0 },
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122
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166
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186
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167 { ngx_string("request"), NULL, ngx_http_variable_request,
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118
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168 offsetof(ngx_http_request_t, request_line), 0, 0 },
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169
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186
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170 { ngx_string("document_root"), NULL,
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340
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171 ngx_http_variable_document_root, 0, NGX_HTTP_VAR_NOCACHEABLE, 0 },
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58
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172
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412
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173 { ngx_string("realpath_root"), NULL,
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174 ngx_http_variable_realpath_root, 0, NGX_HTTP_VAR_NOCACHEABLE, 0 },
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175
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186
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176 { ngx_string("query_string"), NULL, ngx_http_variable_request,
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58
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177 offsetof(ngx_http_request_t, args),
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340
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178 NGX_HTTP_VAR_NOCACHEABLE, 0 },
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48
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179
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324
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180 { ngx_string("args"),
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181 ngx_http_variable_request_set,
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182 ngx_http_variable_request,
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138
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183 offsetof(ngx_http_request_t, args),
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340
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184 NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE, 0 },
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324
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185
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186 { ngx_string("is_args"), NULL, ngx_http_variable_is_args,
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340
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187 0, NGX_HTTP_VAR_NOCACHEABLE, 0 },
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138
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188
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186
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189 { ngx_string("request_filename"), NULL,
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190 ngx_http_variable_request_filename, 0,
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340
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191 NGX_HTTP_VAR_NOCACHEABLE, 0 },
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58
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192
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362
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193 { ngx_string("server_name"), NULL, ngx_http_variable_server_name, 0, 0, 0 },
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58
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194
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186
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195 { ngx_string("request_method"), NULL,
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196 ngx_http_variable_request_method, 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("remote_user"), NULL, ngx_http_variable_remote_user, 0, 0, 0 },
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58
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199
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186
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200 { ngx_string("body_bytes_sent"), NULL, ngx_http_variable_body_bytes_sent,
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160
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201 0, 0, 0 },
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202
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186
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203 { ngx_string("request_completion"), NULL,
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204 ngx_http_variable_request_completion,
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178
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205 0, 0, 0 },
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206
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492
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207 { ngx_string("request_body"), NULL,
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208 ngx_http_variable_request_body,
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209 0, 0, 0 },
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210
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244
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211 { ngx_string("request_body_file"), NULL,
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212 ngx_http_variable_request_body_file,
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213 0, 0, 0 },
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214
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190
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215 { ngx_string("sent_http_content_type"), NULL,
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216 ngx_http_variable_sent_content_type, 0, 0, 0 },
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217
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218 { ngx_string("sent_http_content_length"), NULL,
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219 ngx_http_variable_sent_content_length, 0, 0, 0 },
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220
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442
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221 { ngx_string("sent_http_location"), NULL,
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222 ngx_http_variable_sent_location, 0, 0, 0 },
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223
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190
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224 { ngx_string("sent_http_last_modified"), NULL,
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225 ngx_http_variable_sent_last_modified, 0, 0, 0 },
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226
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227 { ngx_string("sent_http_connection"), NULL,
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228 ngx_http_variable_sent_connection, 0, 0, 0 },
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229
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230 { ngx_string("sent_http_keep_alive"), NULL,
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231 ngx_http_variable_sent_keep_alive, 0, 0, 0 },
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232
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233 { ngx_string("sent_http_transfer_encoding"), NULL,
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234 ngx_http_variable_sent_transfer_encoding, 0, 0, 0 },
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235
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236 { ngx_string("sent_http_cache_control"), NULL, ngx_http_variable_headers,
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237 offsetof(ngx_http_request_t, headers_out.cache_control), 0, 0 },
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238
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186
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239 { ngx_string("limit_rate"), ngx_http_variable_request_set_size,
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240 ngx_http_variable_request,
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241 offsetof(ngx_http_request_t, limit_rate),
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340
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242 NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE, 0 },
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186
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243
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322
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244 { ngx_string("nginx_version"), NULL, ngx_http_variable_nginx_version,
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245 0, 0, 0 },
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246
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376
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247 { ngx_string("hostname"), NULL, ngx_http_variable_hostname,
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248 0, 0, 0 },
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249
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410
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250 { ngx_string("pid"), NULL, ngx_http_variable_pid,
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251 0, 0, 0 },
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252
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186
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253 { ngx_null_string, NULL, NULL, 0, 0, 0 }
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48
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254 };
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255
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256
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126
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257 ngx_http_variable_value_t ngx_http_variable_null_value =
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258 ngx_http_variable("");
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259 ngx_http_variable_value_t ngx_http_variable_true_value =
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260 ngx_http_variable("1");
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261
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262
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48
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263 ngx_http_variable_t *
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58
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264 ngx_http_add_variable(ngx_conf_t *cf, ngx_str_t *name, ngx_uint_t flags)
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265 {
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160
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266 ngx_int_t rc;
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58
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267 ngx_uint_t i;
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160
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268 ngx_hash_key_t *key;
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58
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269 ngx_http_variable_t *v;
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270 ngx_http_core_main_conf_t *cmcf;
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271
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272 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module);
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273
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160
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274 key = cmcf->variables_keys->keys.elts;
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275 for (i = 0; i < cmcf->variables_keys->keys.nelts; i++) {
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276 if (name->len != key[i].key.len
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277 || ngx_strncasecmp(name->data, key[i].key.data, name->len) != 0)
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58
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278 {
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279 continue;
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280 }
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281
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160
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282 v = key[i].value;
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283
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340
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284 if (!(v->flags & NGX_HTTP_VAR_CHANGEABLE)) {
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58
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285 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
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286 "the duplicate \"%V\" variable", name);
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287 return NULL;
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288 }
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289
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160
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290 return v;
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58
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291 }
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292
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160
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293 v = ngx_palloc(cf->pool, sizeof(ngx_http_variable_t));
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58
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294 if (v == NULL) {
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295 return NULL;
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296 }
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297
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298 v->name.len = name->len;
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382
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299 v->name.data = ngx_pnalloc(cf->pool, name->len);
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58
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300 if (v->name.data == NULL) {
|
|
|
301 return NULL;
|
|
|
302 }
|
|
|
303
|
|
392
|
304 ngx_strlow(v->name.data, name->data, name->len);
|
|
58
|
305
|
|
186
|
306 v->set_handler = NULL;
|
|
|
307 v->get_handler = NULL;
|
|
58
|
308 v->data = 0;
|
|
|
309 v->flags = flags;
|
|
82
|
310 v->index = 0;
|
|
58
|
311
|
|
160
|
312 rc = ngx_hash_add_key(cmcf->variables_keys, &v->name, v, 0);
|
|
|
313
|
|
|
314 if (rc == NGX_ERROR) {
|
|
|
315 return NULL;
|
|
|
316 }
|
|
|
317
|
|
|
318 if (rc == NGX_BUSY) {
|
|
|
319 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
320 "conflicting variable name \"%V\"", name);
|
|
|
321 return NULL;
|
|
|
322 }
|
|
|
323
|
|
58
|
324 return v;
|
|
|
325 }
|
|
|
326
|
|
|
327
|
|
|
328 ngx_int_t
|
|
|
329 ngx_http_get_variable_index(ngx_conf_t *cf, ngx_str_t *name)
|
|
48
|
330 {
|
|
50
|
331 ngx_uint_t i;
|
|
|
332 ngx_http_variable_t *v;
|
|
48
|
333 ngx_http_core_main_conf_t *cmcf;
|
|
|
334
|
|
|
335 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module);
|
|
|
336
|
|
50
|
337 v = cmcf->variables.elts;
|
|
|
338
|
|
|
339 if (v == NULL) {
|
|
48
|
340 if (ngx_array_init(&cmcf->variables, cf->pool, 4,
|
|
454
|
341 sizeof(ngx_http_variable_t))
|
|
|
342 != NGX_OK)
|
|
48
|
343 {
|
|
58
|
344 return NGX_ERROR;
|
|
48
|
345 }
|
|
50
|
346
|
|
|
347 } else {
|
|
|
348 for (i = 0; i < cmcf->variables.nelts; i++) {
|
|
|
349 if (name->len != v[i].name.len
|
|
|
350 || ngx_strncasecmp(name->data, v[i].name.data, name->len) != 0)
|
|
|
351 {
|
|
|
352 continue;
|
|
|
353 }
|
|
|
354
|
|
58
|
355 return i;
|
|
50
|
356 }
|
|
48
|
357 }
|
|
|
358
|
|
50
|
359 v = ngx_array_push(&cmcf->variables);
|
|
|
360 if (v == NULL) {
|
|
58
|
361 return NGX_ERROR;
|
|
48
|
362 }
|
|
|
363
|
|
50
|
364 v->name.len = name->len;
|
|
382
|
365 v->name.data = ngx_pnalloc(cf->pool, name->len);
|
|
50
|
366 if (v->name.data == NULL) {
|
|
58
|
367 return NGX_ERROR;
|
|
50
|
368 }
|
|
48
|
369
|
|
392
|
370 ngx_strlow(v->name.data, name->data, name->len);
|
|
50
|
371
|
|
186
|
372 v->set_handler = NULL;
|
|
|
373 v->get_handler = NULL;
|
|
50
|
374 v->data = 0;
|
|
58
|
375 v->flags = 0;
|
|
82
|
376 v->index = cmcf->variables.nelts - 1;
|
|
50
|
377
|
|
58
|
378 return cmcf->variables.nelts - 1;
|
|
48
|
379 }
|
|
|
380
|
|
|
381
|
|
|
382 ngx_http_variable_value_t *
|
|
|
383 ngx_http_get_indexed_variable(ngx_http_request_t *r, ngx_uint_t index)
|
|
|
384 {
|
|
50
|
385 ngx_http_variable_t *v;
|
|
48
|
386 ngx_http_core_main_conf_t *cmcf;
|
|
|
387
|
|
|
388 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module);
|
|
|
389
|
|
102
|
390 if (cmcf->variables.nelts <= index) {
|
|
48
|
391 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
|
|
|
392 "unknown variable index: %d", index);
|
|
|
393 return NULL;
|
|
|
394 }
|
|
|
395
|
|
122
|
396 if (r->variables[index].not_found || r->variables[index].valid) {
|
|
|
397 return &r->variables[index];
|
|
50
|
398 }
|
|
48
|
399
|
|
50
|
400 v = cmcf->variables.elts;
|
|
48
|
401
|
|
186
|
402 if (v[index].get_handler(r, &r->variables[index], v[index].data)
|
|
|
403 == NGX_OK)
|
|
|
404 {
|
|
340
|
405 if (v[index].flags & NGX_HTTP_VAR_NOCACHEABLE) {
|
|
|
406 r->variables[index].no_cacheable = 1;
|
|
48
|
407 }
|
|
122
|
408
|
|
|
409 return &r->variables[index];
|
|
48
|
410 }
|
|
|
411
|
|
206
|
412 r->variables[index].valid = 0;
|
|
|
413 r->variables[index].not_found = 1;
|
|
|
414
|
|
122
|
415 return NULL;
|
|
|
416 }
|
|
|
417
|
|
|
418
|
|
|
419 ngx_http_variable_value_t *
|
|
|
420 ngx_http_get_flushed_variable(ngx_http_request_t *r, ngx_uint_t index)
|
|
|
421 {
|
|
294
|
422 ngx_http_variable_value_t *v;
|
|
122
|
423
|
|
|
424 v = &r->variables[index];
|
|
|
425
|
|
|
426 if (v->valid) {
|
|
340
|
427 if (!v->no_cacheable) {
|
|
122
|
428 return v;
|
|
|
429 }
|
|
|
430
|
|
|
431 v->valid = 0;
|
|
|
432 v->not_found = 0;
|
|
58
|
433 }
|
|
50
|
434
|
|
122
|
435 return ngx_http_get_indexed_variable(r, index);
|
|
48
|
436 }
|
|
|
437
|
|
|
438
|
|
|
439 ngx_http_variable_value_t *
|
|
184
|
440 ngx_http_get_variable(ngx_http_request_t *r, ngx_str_t *name, ngx_uint_t key,
|
|
|
441 ngx_uint_t nowarn)
|
|
48
|
442 {
|
|
50
|
443 ngx_http_variable_t *v;
|
|
122
|
444 ngx_http_variable_value_t *vv;
|
|
48
|
445 ngx_http_core_main_conf_t *cmcf;
|
|
|
446
|
|
|
447 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module);
|
|
|
448
|
|
160
|
449 v = ngx_hash_find(&cmcf->variables_hash, key, name->data, name->len);
|
|
48
|
450
|
|
160
|
451 if (v) {
|
|
|
452 if (v->flags & NGX_HTTP_VAR_INDEXED) {
|
|
|
453 return ngx_http_get_indexed_variable(r, v->index);
|
|
68
|
454
|
|
|
455 } else {
|
|
48
|
456
|
|
122
|
457 vv = ngx_palloc(r->pool, sizeof(ngx_http_variable_value_t));
|
|
50
|
458
|
|
186
|
459 if (vv && v->get_handler(r, vv, v->data) == NGX_OK) {
|
|
122
|
460 return vv;
|
|
|
461 }
|
|
58
|
462
|
|
122
|
463 return NULL;
|
|
|
464 }
|
|
58
|
465 }
|
|
|
466
|
|
|
467 vv = ngx_palloc(r->pool, sizeof(ngx_http_variable_value_t));
|
|
|
468 if (vv == NULL) {
|
|
|
469 return NULL;
|
|
|
470 }
|
|
|
471
|
|
122
|
472 if (ngx_strncmp(name->data, "http_", 5) == 0) {
|
|
48
|
473
|
|
126
|
474 if (ngx_http_variable_unknown_header_in(r, vv, (uintptr_t) name)
|
|
|
475 == NGX_OK)
|
|
|
476 {
|
|
|
477 return vv;
|
|
|
478 }
|
|
|
479
|
|
|
480 return NULL;
|
|
|
481 }
|
|
|
482
|
|
|
483 if (ngx_strncmp(name->data, "sent_http_", 10) == 0) {
|
|
|
484
|
|
|
485 if (ngx_http_variable_unknown_header_out(r, vv, (uintptr_t) name)
|
|
|
486 == NGX_OK)
|
|
122
|
487 {
|
|
|
488 return vv;
|
|
|
489 }
|
|
48
|
490
|
|
|
491 return NULL;
|
|
|
492 }
|
|
|
493
|
|
296
|
494 if (ngx_strncmp(name->data, "upstream_http_", 10) == 0) {
|
|
|
495
|
|
|
496 if (ngx_http_upstream_header_variable(r, vv, (uintptr_t) name)
|
|
|
497 == NGX_OK)
|
|
|
498 {
|
|
|
499 return vv;
|
|
|
500 }
|
|
|
501
|
|
|
502 return NULL;
|
|
|
503 }
|
|
|
504
|
|
420
|
505 if (ngx_strncmp(name->data, "cookie_", 7) == 0) {
|
|
|
506
|
|
424
|
507 if (ngx_http_variable_cookie(r, vv, (uintptr_t) name) == NGX_OK) {
|
|
420
|
508 return vv;
|
|
|
509 }
|
|
|
510
|
|
|
511 return NULL;
|
|
|
512 }
|
|
|
513
|
|
392
|
514 if (ngx_strncmp(name->data, "arg_", 4) == 0) {
|
|
|
515
|
|
|
516 if (ngx_http_variable_argument(r, vv, (uintptr_t) name) == NGX_OK) {
|
|
|
517 return vv;
|
|
|
518 }
|
|
|
519
|
|
|
520 return NULL;
|
|
|
521 }
|
|
|
522
|
|
184
|
523 vv->not_found = 1;
|
|
122
|
524
|
|
184
|
525 if (nowarn == 0) {
|
|
|
526 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
527 "unknown \"%V\" variable", name);
|
|
|
528 }
|
|
48
|
529
|
|
50
|
530 return vv;
|
|
48
|
531 }
|
|
|
532
|
|
|
533
|
|
122
|
534 static ngx_int_t
|
|
|
535 ngx_http_variable_request(ngx_http_request_t *r, ngx_http_variable_value_t *v,
|
|
|
536 uintptr_t data)
|
|
|
537 {
|
|
|
538 ngx_str_t *s;
|
|
|
539
|
|
|
540 s = (ngx_str_t *) ((char *) r + data);
|
|
|
541
|
|
|
542 if (s->data) {
|
|
|
543 v->len = s->len;
|
|
|
544 v->valid = 1;
|
|
340
|
545 v->no_cacheable = 0;
|
|
122
|
546 v->not_found = 0;
|
|
|
547 v->data = s->data;
|
|
|
548
|
|
|
549 } else {
|
|
|
550 v->not_found = 1;
|
|
|
551 }
|
|
|
552
|
|
|
553 return NGX_OK;
|
|
|
554 }
|
|
|
555
|
|
|
556
|
|
186
|
557 static void
|
|
324
|
558 ngx_http_variable_request_set(ngx_http_request_t *r,
|
|
|
559 ngx_http_variable_value_t *v, uintptr_t data)
|
|
|
560 {
|
|
|
561 ngx_str_t *s;
|
|
|
562
|
|
|
563 s = (ngx_str_t *) ((char *) r + data);
|
|
|
564
|
|
|
565 s->len = v->len;
|
|
|
566 s->data = v->data;
|
|
|
567 }
|
|
|
568
|
|
|
569
|
|
|
570 static void
|
|
186
|
571 ngx_http_variable_request_set_size(ngx_http_request_t *r,
|
|
|
572 ngx_http_variable_value_t *v, uintptr_t data)
|
|
|
573 {
|
|
|
574 ssize_t s, *sp;
|
|
|
575 ngx_str_t val;
|
|
|
576
|
|
320
|
577 val.len = v->len;
|
|
186
|
578 val.data = v->data;
|
|
|
579
|
|
|
580 s = ngx_parse_size(&val);
|
|
|
581
|
|
|
582 if (s == NGX_ERROR) {
|
|
|
583 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
584 "invalid size \"%V\"", &val);
|
|
|
585 return;
|
|
|
586 }
|
|
|
587
|
|
|
588 sp = (ssize_t *) ((char *) r + data);
|
|
|
589
|
|
|
590 *sp = s;
|
|
|
591
|
|
|
592 return;
|
|
|
593 }
|
|
|
594
|
|
|
595
|
|
122
|
596 static ngx_int_t
|
|
|
597 ngx_http_variable_header(ngx_http_request_t *r, ngx_http_variable_value_t *v,
|
|
|
598 uintptr_t data)
|
|
64
|
599 {
|
|
122
|
600 ngx_table_elt_t *h;
|
|
|
601
|
|
|
602 h = *(ngx_table_elt_t **) ((char *) r + data);
|
|
|
603
|
|
|
604 if (h) {
|
|
|
605 v->len = h->value.len;
|
|
|
606 v->valid = 1;
|
|
340
|
607 v->no_cacheable = 0;
|
|
122
|
608 v->not_found = 0;
|
|
|
609 v->data = h->value.data;
|
|
|
610
|
|
|
611 } else {
|
|
|
612 v->not_found = 1;
|
|
|
613 }
|
|
|
614
|
|
|
615 return NGX_OK;
|
|
|
616 }
|
|
|
617
|
|
|
618
|
|
|
619 static ngx_int_t
|
|
|
620 ngx_http_variable_headers(ngx_http_request_t *r, ngx_http_variable_value_t *v,
|
|
|
621 uintptr_t data)
|
|
|
622 {
|
|
216
|
623 ssize_t len;
|
|
122
|
624 u_char *p;
|
|
216
|
625 ngx_uint_t i, n;
|
|
122
|
626 ngx_array_t *a;
|
|
|
627 ngx_table_elt_t **h;
|
|
64
|
628
|
|
|
629 a = (ngx_array_t *) ((char *) r + data);
|
|
|
630
|
|
216
|
631 n = a->nelts;
|
|
|
632
|
|
|
633 if (n == 0) {
|
|
122
|
634 v->not_found = 1;
|
|
|
635 return NGX_OK;
|
|
64
|
636 }
|
|
|
637
|
|
122
|
638 v->valid = 1;
|
|
340
|
639 v->no_cacheable = 0;
|
|
122
|
640 v->not_found = 0;
|
|
64
|
641
|
|
|
642 h = a->elts;
|
|
|
643
|
|
216
|
644 if (n == 1) {
|
|
122
|
645 v->len = (*h)->value.len;
|
|
|
646 v->data = (*h)->value.data;
|
|
64
|
647
|
|
122
|
648 return NGX_OK;
|
|
64
|
649 }
|
|
|
650
|
|
216
|
651 len = - (ssize_t) (sizeof("; ") - 1);
|
|
122
|
652
|
|
216
|
653 for (i = 0; i < n; i++) {
|
|
122
|
654 len += h[i]->value.len + sizeof("; ") - 1;
|
|
64
|
655 }
|
|
|
656
|
|
382
|
657 p = ngx_pnalloc(r->pool, len);
|
|
122
|
658 if (p == NULL) {
|
|
|
659 return NGX_ERROR;
|
|
|
660 }
|
|
|
661
|
|
|
662 v->len = len;
|
|
|
663 v->data = p;
|
|
64
|
664
|
|
|
665 for (i = 0; /* void */ ; i++) {
|
|
122
|
666 p = ngx_copy(p, h[i]->value.data, h[i]->value.len);
|
|
64
|
667
|
|
216
|
668 if (i == n - 1) {
|
|
64
|
669 break;
|
|
|
670 }
|
|
|
671
|
|
|
672 *p++ = ';'; *p++ = ' ';
|
|
|
673 }
|
|
|
674
|
|
122
|
675 return NGX_OK;
|
|
64
|
676 }
|
|
|
677
|
|
|
678
|
|
122
|
679 static ngx_int_t
|
|
126
|
680 ngx_http_variable_unknown_header_in(ngx_http_request_t *r,
|
|
|
681 ngx_http_variable_value_t *v, uintptr_t data)
|
|
|
682 {
|
|
|
683 return ngx_http_variable_unknown_header(v, (ngx_str_t *) data,
|
|
|
684 &r->headers_in.headers.part,
|
|
|
685 sizeof("http_") - 1);
|
|
|
686 }
|
|
|
687
|
|
|
688
|
|
|
689 static ngx_int_t
|
|
|
690 ngx_http_variable_unknown_header_out(ngx_http_request_t *r,
|
|
122
|
691 ngx_http_variable_value_t *v, uintptr_t data)
|
|
48
|
692 {
|
|
126
|
693 return ngx_http_variable_unknown_header(v, (ngx_str_t *) data,
|
|
|
694 &r->headers_out.headers.part,
|
|
|
695 sizeof("sent_http_") - 1);
|
|
|
696 }
|
|
50
|
697
|
|
126
|
698
|
|
296
|
699 ngx_int_t
|
|
126
|
700 ngx_http_variable_unknown_header(ngx_http_variable_value_t *v, ngx_str_t *var,
|
|
|
701 ngx_list_part_t *part, size_t prefix)
|
|
|
702 {
|
|
122
|
703 u_char ch;
|
|
|
704 ngx_uint_t i, n;
|
|
|
705 ngx_table_elt_t *header;
|
|
48
|
706
|
|
|
707 header = part->elts;
|
|
|
708
|
|
|
709 for (i = 0; /* void */ ; i++) {
|
|
|
710
|
|
|
711 if (i >= part->nelts) {
|
|
|
712 if (part->next == NULL) {
|
|
|
713 break;
|
|
|
714 }
|
|
|
715
|
|
|
716 part = part->next;
|
|
|
717 header = part->elts;
|
|
|
718 i = 0;
|
|
|
719 }
|
|
|
720
|
|
126
|
721 for (n = 0; n + prefix < var->len && n < header[i].key.len; n++) {
|
|
48
|
722 ch = header[i].key.data[n];
|
|
|
723
|
|
58
|
724 if (ch >= 'A' && ch <= 'Z') {
|
|
|
725 ch |= 0x20;
|
|
48
|
726
|
|
|
727 } else if (ch == '-') {
|
|
|
728 ch = '_';
|
|
|
729 }
|
|
|
730
|
|
126
|
731 if (var->data[n + prefix] != ch) {
|
|
48
|
732 break;
|
|
|
733 }
|
|
|
734 }
|
|
|
735
|
|
242
|
736 if (n + prefix == var->len && n == header[i].key.len) {
|
|
122
|
737 v->len = header[i].value.len;
|
|
|
738 v->valid = 1;
|
|
340
|
739 v->no_cacheable = 0;
|
|
122
|
740 v->not_found = 0;
|
|
|
741 v->data = header[i].value.data;
|
|
48
|
742
|
|
122
|
743 return NGX_OK;
|
|
48
|
744 }
|
|
|
745 }
|
|
|
746
|
|
122
|
747 v->not_found = 1;
|
|
|
748
|
|
|
749 return NGX_OK;
|
|
58
|
750 }
|
|
|
751
|
|
|
752
|
|
122
|
753 static ngx_int_t
|
|
420
|
754 ngx_http_variable_cookie(ngx_http_request_t *r, ngx_http_variable_value_t *v,
|
|
|
755 uintptr_t data)
|
|
|
756 {
|
|
|
757 ngx_str_t *name = (ngx_str_t *) data;
|
|
|
758
|
|
|
759 ngx_str_t cookie, s;
|
|
|
760
|
|
|
761 s.len = name->len - (sizeof("cookie_") - 1);
|
|
|
762 s.data = name->data + sizeof("cookie_") - 1;
|
|
|
763
|
|
|
764 if (ngx_http_parse_multi_header_lines(&r->headers_in.cookies, &s, &cookie)
|
|
|
765 == NGX_DECLINED)
|
|
|
766 {
|
|
|
767 v->not_found = 1;
|
|
|
768 return NGX_OK;
|
|
|
769 }
|
|
|
770
|
|
|
771 v->len = cookie.len;
|
|
|
772 v->valid = 1;
|
|
|
773 v->no_cacheable = 0;
|
|
|
774 v->not_found = 0;
|
|
|
775 v->data = cookie.data;
|
|
|
776
|
|
|
777 return NGX_OK;
|
|
|
778 }
|
|
|
779
|
|
|
780
|
|
|
781 static ngx_int_t
|
|
392
|
782 ngx_http_variable_argument(ngx_http_request_t *r, ngx_http_variable_value_t *v,
|
|
|
783 uintptr_t data)
|
|
|
784 {
|
|
|
785 ngx_str_t *name = (ngx_str_t *) data;
|
|
|
786
|
|
432
|
787 u_char *arg;
|
|
|
788 size_t len;
|
|
|
789 ngx_str_t value;
|
|
392
|
790
|
|
432
|
791 len = name->len - (sizeof("arg_") - 1);
|
|
|
792 arg = name->data + sizeof("arg_") - 1;
|
|
|
793
|
|
|
794 if (ngx_http_arg(r, arg, len, &value) != NGX_OK) {
|
|
392
|
795 v->not_found = 1;
|
|
|
796 return NGX_OK;
|
|
|
797 }
|
|
|
798
|
|
432
|
799 v->data = value.data;
|
|
|
800 v->len = value.len;
|
|
|
801 v->valid = 1;
|
|
|
802 v->no_cacheable = 0;
|
|
|
803 v->not_found = 0;
|
|
392
|
804
|
|
|
805 return NGX_OK;
|
|
|
806 }
|
|
|
807
|
|
|
808
|
|
|
809 static ngx_int_t
|
|
122
|
810 ngx_http_variable_host(ngx_http_request_t *r, ngx_http_variable_value_t *v,
|
|
|
811 uintptr_t data)
|
|
58
|
812 {
|
|
362
|
813 ngx_http_core_srv_conf_t *cscf;
|
|
|
814
|
|
376
|
815 if (r->headers_in.server.len) {
|
|
|
816 v->len = r->headers_in.server.len;
|
|
|
817 v->data = r->headers_in.server.data;
|
|
270
|
818
|
|
|
819 } else {
|
|
376
|
820 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
|
|
|
821
|
|
|
822 v->len = cscf->server_name.len;
|
|
|
823 v->data = cscf->server_name.data;
|
|
58
|
824 }
|
|
|
825
|
|
122
|
826 v->valid = 1;
|
|
340
|
827 v->no_cacheable = 0;
|
|
122
|
828 v->not_found = 0;
|
|
58
|
829
|
|
122
|
830 return NGX_OK;
|
|
48
|
831 }
|
|
|
832
|
|
|
833
|
|
122
|
834 static ngx_int_t
|
|
272
|
835 ngx_http_variable_binary_remote_addr(ngx_http_request_t *r,
|
|
|
836 ngx_http_variable_value_t *v, uintptr_t data)
|
|
|
837 {
|
|
448
|
838 struct sockaddr_in *sin;
|
|
|
839 #if (NGX_HAVE_INET6)
|
|
|
840 struct sockaddr_in6 *sin6;
|
|
|
841 #endif
|
|
272
|
842
|
|
448
|
843 switch (r->connection->sockaddr->sa_family) {
|
|
272
|
844
|
|
448
|
845 #if (NGX_HAVE_INET6)
|
|
|
846 case AF_INET6:
|
|
|
847 sin6 = (struct sockaddr_in6 *) r->connection->sockaddr;
|
|
272
|
848
|
|
448
|
849 v->len = sizeof(struct in6_addr);
|
|
|
850 v->valid = 1;
|
|
|
851 v->no_cacheable = 0;
|
|
|
852 v->not_found = 0;
|
|
|
853 v->data = (u_char *) &sin6->sin6_addr;
|
|
|
854
|
|
|
855 break;
|
|
|
856 #endif
|
|
|
857
|
|
|
858 default: /* AF_INET */
|
|
|
859 sin = (struct sockaddr_in *) r->connection->sockaddr;
|
|
|
860
|
|
|
861 v->len = sizeof(in_addr_t);
|
|
|
862 v->valid = 1;
|
|
|
863 v->no_cacheable = 0;
|
|
|
864 v->not_found = 0;
|
|
|
865 v->data = (u_char *) &sin->sin_addr;
|
|
|
866
|
|
|
867 break;
|
|
|
868 }
|
|
272
|
869
|
|
|
870 return NGX_OK;
|
|
|
871 }
|
|
|
872
|
|
|
873
|
|
|
874 static ngx_int_t
|
|
122
|
875 ngx_http_variable_remote_addr(ngx_http_request_t *r,
|
|
|
876 ngx_http_variable_value_t *v, uintptr_t data)
|
|
48
|
877 {
|
|
122
|
878 v->len = r->connection->addr_text.len;
|
|
|
879 v->valid = 1;
|
|
340
|
880 v->no_cacheable = 0;
|
|
122
|
881 v->not_found = 0;
|
|
|
882 v->data = r->connection->addr_text.data;
|
|
48
|
883
|
|
122
|
884 return NGX_OK;
|
|
48
|
885 }
|
|
|
886
|
|
|
887
|
|
122
|
888 static ngx_int_t
|
|
|
889 ngx_http_variable_remote_port(ngx_http_request_t *r,
|
|
|
890 ngx_http_variable_value_t *v, uintptr_t data)
|
|
48
|
891 {
|
|
448
|
892 ngx_uint_t port;
|
|
|
893 struct sockaddr_in *sin;
|
|
|
894 #if (NGX_HAVE_INET6)
|
|
|
895 struct sockaddr_in6 *sin6;
|
|
|
896 #endif
|
|
58
|
897
|
|
122
|
898 v->len = 0;
|
|
|
899 v->valid = 1;
|
|
340
|
900 v->no_cacheable = 0;
|
|
122
|
901 v->not_found = 0;
|
|
58
|
902
|
|
382
|
903 v->data = ngx_pnalloc(r->pool, sizeof("65535") - 1);
|
|
122
|
904 if (v->data == NULL) {
|
|
|
905 return NGX_ERROR;
|
|
58
|
906 }
|
|
|
907
|
|
448
|
908 switch (r->connection->sockaddr->sa_family) {
|
|
126
|
909
|
|
448
|
910 #if (NGX_HAVE_INET6)
|
|
|
911 case AF_INET6:
|
|
|
912 sin6 = (struct sockaddr_in6 *) r->connection->sockaddr;
|
|
|
913 port = ntohs(sin6->sin6_port);
|
|
|
914 break;
|
|
|
915 #endif
|
|
126
|
916
|
|
448
|
917 default: /* AF_INET */
|
|
|
918 sin = (struct sockaddr_in *) r->connection->sockaddr;
|
|
58
|
919 port = ntohs(sin->sin_port);
|
|
448
|
920 break;
|
|
|
921 }
|
|
126
|
922
|
|
448
|
923 if (port > 0 && port < 65536) {
|
|
|
924 v->len = ngx_sprintf(v->data, "%ui", port) - v->data;
|
|
58
|
925 }
|
|
|
926
|
|
122
|
927 return NGX_OK;
|
|
58
|
928 }
|
|
|
929
|
|
|
930
|
|
122
|
931 static ngx_int_t
|
|
|
932 ngx_http_variable_server_addr(ngx_http_request_t *r,
|
|
|
933 ngx_http_variable_value_t *v, uintptr_t data)
|
|
58
|
934 {
|
|
362
|
935 ngx_str_t s;
|
|
448
|
936 u_char addr[NGX_SOCKADDR_STRLEN];
|
|
48
|
937
|
|
448
|
938 s.len = NGX_SOCKADDR_STRLEN;
|
|
|
939 s.data = addr;
|
|
|
940
|
|
492
|
941 if (ngx_connection_local_sockaddr(r->connection, &s, 0) != NGX_OK) {
|
|
448
|
942 return NGX_ERROR;
|
|
|
943 }
|
|
|
944
|
|
|
945 s.data = ngx_pnalloc(r->pool, s.len);
|
|
362
|
946 if (s.data == NULL) {
|
|
122
|
947 return NGX_ERROR;
|
|
58
|
948 }
|
|
|
949
|
|
448
|
950 ngx_memcpy(s.data, addr, s.len);
|
|
58
|
951
|
|
362
|
952 v->len = s.len;
|
|
122
|
953 v->valid = 1;
|
|
340
|
954 v->no_cacheable = 0;
|
|
122
|
955 v->not_found = 0;
|
|
362
|
956 v->data = s.data;
|
|
48
|
957
|
|
122
|
958 return NGX_OK;
|
|
48
|
959 }
|
|
|
960
|
|
|
961
|
|
122
|
962 static ngx_int_t
|
|
|
963 ngx_http_variable_server_port(ngx_http_request_t *r,
|
|
|
964 ngx_http_variable_value_t *v, uintptr_t data)
|
|
58
|
965 {
|
|
454
|
966 ngx_uint_t port;
|
|
|
967 struct sockaddr_in *sin;
|
|
|
968 #if (NGX_HAVE_INET6)
|
|
|
969 struct sockaddr_in6 *sin6;
|
|
|
970 #endif
|
|
|
971
|
|
|
972 v->len = 0;
|
|
122
|
973 v->valid = 1;
|
|
340
|
974 v->no_cacheable = 0;
|
|
122
|
975 v->not_found = 0;
|
|
454
|
976
|
|
492
|
977 if (ngx_connection_local_sockaddr(r->connection, NULL, 0) != NGX_OK) {
|
|
454
|
978 return NGX_ERROR;
|
|
|
979 }
|
|
|
980
|
|
|
981 v->data = ngx_pnalloc(r->pool, sizeof("65535") - 1);
|
|
|
982 if (v->data == NULL) {
|
|
|
983 return NGX_ERROR;
|
|
|
984 }
|
|
|
985
|
|
|
986 switch (r->connection->local_sockaddr->sa_family) {
|
|
|
987
|
|
|
988 #if (NGX_HAVE_INET6)
|
|
|
989 case AF_INET6:
|
|
|
990 sin6 = (struct sockaddr_in6 *) r->connection->local_sockaddr;
|
|
|
991 port = ntohs(sin6->sin6_port);
|
|
|
992 break;
|
|
|
993 #endif
|
|
|
994
|
|
|
995 default: /* AF_INET */
|
|
|
996 sin = (struct sockaddr_in *) r->connection->local_sockaddr;
|
|
|
997 port = ntohs(sin->sin_port);
|
|
|
998 break;
|
|
|
999 }
|
|
|
1000
|
|
|
1001 if (port > 0 && port < 65536) {
|
|
|
1002 v->len = ngx_sprintf(v->data, "%ui", port) - v->data;
|
|
|
1003 }
|
|
58
|
1004
|
|
122
|
1005 return NGX_OK;
|
|
58
|
1006 }
|
|
|
1007
|
|
|
1008
|
|
122
|
1009 static ngx_int_t
|
|
238
|
1010 ngx_http_variable_scheme(ngx_http_request_t *r,
|
|
|
1011 ngx_http_variable_value_t *v, uintptr_t data)
|
|
|
1012 {
|
|
|
1013 #if (NGX_HTTP_SSL)
|
|
|
1014
|
|
|
1015 if (r->connection->ssl) {
|
|
|
1016 v->len = sizeof("https") - 1;
|
|
|
1017 v->valid = 1;
|
|
340
|
1018 v->no_cacheable = 0;
|
|
238
|
1019 v->not_found = 0;
|
|
|
1020 v->data = (u_char *) "https";
|
|
|
1021
|
|
|
1022 return NGX_OK;
|
|
|
1023 }
|
|
|
1024
|
|
|
1025 #endif
|
|
|
1026
|
|
|
1027 v->len = sizeof("http") - 1;
|
|
|
1028 v->valid = 1;
|
|
340
|
1029 v->no_cacheable = 0;
|
|
238
|
1030 v->not_found = 0;
|
|
|
1031 v->data = (u_char *) "http";
|
|
|
1032
|
|
|
1033 return NGX_OK;
|
|
|
1034 }
|
|
|
1035
|
|
|
1036
|
|
|
1037 static ngx_int_t
|
|
324
|
1038 ngx_http_variable_is_args(ngx_http_request_t *r,
|
|
|
1039 ngx_http_variable_value_t *v, uintptr_t data)
|
|
|
1040 {
|
|
|
1041 v->valid = 1;
|
|
340
|
1042 v->no_cacheable = 0;
|
|
324
|
1043 v->not_found = 0;
|
|
|
1044
|
|
|
1045 if (r->args.len == 0) {
|
|
|
1046 v->len = 0;
|
|
|
1047 v->data = NULL;
|
|
|
1048 return NGX_OK;
|
|
|
1049 }
|
|
|
1050
|
|
|
1051 v->len = 1;
|
|
|
1052 v->data = (u_char *) "?";
|
|
|
1053
|
|
|
1054 return NGX_OK;
|
|
|
1055 }
|
|
|
1056
|
|
|
1057
|
|
|
1058 static ngx_int_t
|
|
122
|
1059 ngx_http_variable_document_root(ngx_http_request_t *r,
|
|
|
1060 ngx_http_variable_value_t *v, uintptr_t data)
|
|
48
|
1061 {
|
|
220
|
1062 ngx_str_t path;
|
|
122
|
1063 ngx_http_core_loc_conf_t *clcf;
|
|
58
|
1064
|
|
|
1065 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
|
1066
|
|
220
|
1067 if (clcf->root_lengths == NULL) {
|
|
|
1068 v->len = clcf->root.len;
|
|
|
1069 v->valid = 1;
|
|
340
|
1070 v->no_cacheable = 0;
|
|
220
|
1071 v->not_found = 0;
|
|
|
1072 v->data = clcf->root.data;
|
|
|
1073
|
|
|
1074 } else {
|
|
|
1075 if (ngx_http_script_run(r, &path, clcf->root_lengths->elts, 0,
|
|
|
1076 clcf->root_values->elts)
|
|
|
1077 == NULL)
|
|
|
1078 {
|
|
|
1079 return NGX_ERROR;
|
|
|
1080 }
|
|
|
1081
|
|
454
|
1082 if (ngx_conf_full_name((ngx_cycle_t *) ngx_cycle, &path, 0) != NGX_OK) {
|
|
220
|
1083 return NGX_ERROR;
|
|
|
1084 }
|
|
|
1085
|
|
|
1086 v->len = path.len;
|
|
|
1087 v->valid = 1;
|
|
340
|
1088 v->no_cacheable = 0;
|
|
220
|
1089 v->not_found = 0;
|
|
|
1090 v->data = path.data;
|
|
|
1091 }
|
|
58
|
1092
|
|
122
|
1093 return NGX_OK;
|
|
58
|
1094 }
|
|
|
1095
|
|
|
1096
|
|
122
|
1097 static ngx_int_t
|
|
412
|
1098 ngx_http_variable_realpath_root(ngx_http_request_t *r,
|
|
|
1099 ngx_http_variable_value_t *v, uintptr_t data)
|
|
|
1100 {
|
|
|
1101 size_t len;
|
|
|
1102 ngx_str_t path;
|
|
|
1103 ngx_http_core_loc_conf_t *clcf;
|
|
|
1104 u_char real[NGX_MAX_PATH];
|
|
|
1105
|
|
|
1106 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
|
1107
|
|
|
1108 if (clcf->root_lengths == NULL) {
|
|
|
1109 path = clcf->root;
|
|
|
1110
|
|
|
1111 } else {
|
|
|
1112 if (ngx_http_script_run(r, &path, clcf->root_lengths->elts, 1,
|
|
|
1113 clcf->root_values->elts)
|
|
|
1114 == NULL)
|
|
|
1115 {
|
|
|
1116 return NGX_ERROR;
|
|
|
1117 }
|
|
|
1118
|
|
|
1119 path.data[path.len - 1] = '\0';
|
|
|
1120
|
|
454
|
1121 if (ngx_conf_full_name((ngx_cycle_t *) ngx_cycle, &path, 0) != NGX_OK) {
|
|
412
|
1122 return NGX_ERROR;
|
|
|
1123 }
|
|
|
1124 }
|
|
|
1125
|
|
|
1126 if (ngx_realpath(path.data, real) == NULL) {
|
|
|
1127 ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno,
|
|
|
1128 ngx_realpath_n " \"%s\" failed", path.data);
|
|
|
1129 return NGX_ERROR;
|
|
|
1130 }
|
|
|
1131
|
|
|
1132 len = ngx_strlen(real);
|
|
|
1133
|
|
|
1134 v->data = ngx_pnalloc(r->pool, len);
|
|
|
1135 if (v->data == NULL) {
|
|
|
1136 return NGX_ERROR;
|
|
|
1137 }
|
|
|
1138
|
|
|
1139 v->len = len;
|
|
|
1140 v->valid = 1;
|
|
|
1141 v->no_cacheable = 0;
|
|
|
1142 v->not_found = 0;
|
|
|
1143
|
|
|
1144 ngx_memcpy(v->data, real, len);
|
|
|
1145
|
|
|
1146 return NGX_OK;
|
|
|
1147 }
|
|
|
1148
|
|
|
1149
|
|
|
1150 static ngx_int_t
|
|
122
|
1151 ngx_http_variable_request_filename(ngx_http_request_t *r,
|
|
|
1152 ngx_http_variable_value_t *v, uintptr_t data)
|
|
58
|
1153 {
|
|
248
|
1154 size_t root;
|
|
122
|
1155 ngx_str_t path;
|
|
48
|
1156
|
|
248
|
1157 if (ngx_http_map_uri_to_path(r, &path, &root, 0) == NULL) {
|
|
122
|
1158 return NGX_ERROR;
|
|
106
|
1159 }
|
|
58
|
1160
|
|
106
|
1161 /* ngx_http_map_uri_to_path() allocates memory for terminating '\0' */
|
|
58
|
1162
|
|
122
|
1163 v->len = path.len - 1;
|
|
|
1164 v->valid = 1;
|
|
340
|
1165 v->no_cacheable = 0;
|
|
122
|
1166 v->not_found = 0;
|
|
|
1167 v->data = path.data;
|
|
48
|
1168
|
|
122
|
1169 return NGX_OK;
|
|
48
|
1170 }
|
|
|
1171
|
|
|
1172
|
|
122
|
1173 static ngx_int_t
|
|
362
|
1174 ngx_http_variable_server_name(ngx_http_request_t *r,
|
|
|
1175 ngx_http_variable_value_t *v, uintptr_t data)
|
|
|
1176 {
|
|
|
1177 ngx_http_core_srv_conf_t *cscf;
|
|
|
1178
|
|
|
1179 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
|
|
|
1180
|
|
|
1181 v->len = cscf->server_name.len;
|
|
|
1182 v->valid = 1;
|
|
|
1183 v->no_cacheable = 0;
|
|
|
1184 v->not_found = 0;
|
|
|
1185 v->data = cscf->server_name.data;
|
|
|
1186
|
|
|
1187 return NGX_OK;
|
|
|
1188 }
|
|
|
1189
|
|
|
1190
|
|
|
1191 static ngx_int_t
|
|
122
|
1192 ngx_http_variable_request_method(ngx_http_request_t *r,
|
|
|
1193 ngx_http_variable_value_t *v, uintptr_t data)
|
|
110
|
1194 {
|
|
196
|
1195 if (r->main->method_name.data) {
|
|
|
1196 v->len = r->main->method_name.len;
|
|
122
|
1197 v->valid = 1;
|
|
340
|
1198 v->no_cacheable = 0;
|
|
122
|
1199 v->not_found = 0;
|
|
196
|
1200 v->data = r->main->method_name.data;
|
|
122
|
1201
|
|
|
1202 } else {
|
|
|
1203 v->not_found = 1;
|
|
110
|
1204 }
|
|
|
1205
|
|
122
|
1206 return NGX_OK;
|
|
110
|
1207 }
|
|
|
1208
|
|
|
1209
|
|
122
|
1210 static ngx_int_t
|
|
|
1211 ngx_http_variable_remote_user(ngx_http_request_t *r,
|
|
|
1212 ngx_http_variable_value_t *v, uintptr_t data)
|
|
88
|
1213 {
|
|
122
|
1214 ngx_int_t rc;
|
|
88
|
1215
|
|
|
1216 rc = ngx_http_auth_basic_user(r);
|
|
|
1217
|
|
|
1218 if (rc == NGX_DECLINED) {
|
|
122
|
1219 v->not_found = 1;
|
|
|
1220 return NGX_OK;
|
|
88
|
1221 }
|
|
|
1222
|
|
|
1223 if (rc == NGX_ERROR) {
|
|
122
|
1224 return NGX_ERROR;
|
|
88
|
1225 }
|
|
|
1226
|
|
122
|
1227 v->len = r->headers_in.user.len;
|
|
|
1228 v->valid = 1;
|
|
340
|
1229 v->no_cacheable = 0;
|
|
122
|
1230 v->not_found = 0;
|
|
|
1231 v->data = r->headers_in.user.data;
|
|
120
|
1232
|
|
122
|
1233 return NGX_OK;
|
|
120
|
1234 }
|
|
|
1235
|
|
|
1236
|
|
160
|
1237 static ngx_int_t
|
|
|
1238 ngx_http_variable_body_bytes_sent(ngx_http_request_t *r,
|
|
|
1239 ngx_http_variable_value_t *v, uintptr_t data)
|
|
|
1240 {
|
|
|
1241 off_t sent;
|
|
|
1242 u_char *p;
|
|
|
1243
|
|
|
1244 sent = r->connection->sent - r->header_size;
|
|
|
1245
|
|
|
1246 if (sent < 0) {
|
|
|
1247 sent = 0;
|
|
|
1248 }
|
|
|
1249
|
|
382
|
1250 p = ngx_pnalloc(r->pool, NGX_OFF_T_LEN);
|
|
160
|
1251 if (p == NULL) {
|
|
|
1252 return NGX_ERROR;
|
|
|
1253 }
|
|
|
1254
|
|
|
1255 v->len = ngx_sprintf(p, "%O", sent) - p;
|
|
|
1256 v->valid = 1;
|
|
340
|
1257 v->no_cacheable = 0;
|
|
160
|
1258 v->not_found = 0;
|
|
|
1259 v->data = p;
|
|
|
1260
|
|
|
1261 return NGX_OK;
|
|
|
1262 }
|
|
|
1263
|
|
|
1264
|
|
178
|
1265 static ngx_int_t
|
|
190
|
1266 ngx_http_variable_sent_content_type(ngx_http_request_t *r,
|
|
|
1267 ngx_http_variable_value_t *v, uintptr_t data)
|
|
|
1268 {
|
|
|
1269 if (r->headers_out.content_type.len) {
|
|
|
1270 v->len = r->headers_out.content_type.len;
|
|
|
1271 v->valid = 1;
|
|
340
|
1272 v->no_cacheable = 0;
|
|
190
|
1273 v->not_found = 0;
|
|
|
1274 v->data = r->headers_out.content_type.data;
|
|
|
1275
|
|
|
1276 } else {
|
|
|
1277 v->not_found = 1;
|
|
|
1278 }
|
|
|
1279
|
|
|
1280 return NGX_OK;
|
|
|
1281 }
|
|
|
1282
|
|
|
1283
|
|
|
1284 static ngx_int_t
|
|
|
1285 ngx_http_variable_sent_content_length(ngx_http_request_t *r,
|
|
|
1286 ngx_http_variable_value_t *v, uintptr_t data)
|
|
|
1287 {
|
|
|
1288 u_char *p;
|
|
|
1289
|
|
|
1290 if (r->headers_out.content_length) {
|
|
|
1291 v->len = r->headers_out.content_length->value.len;
|
|
|
1292 v->valid = 1;
|
|
340
|
1293 v->no_cacheable = 0;
|
|
190
|
1294 v->not_found = 0;
|
|
|
1295 v->data = r->headers_out.content_length->value.data;
|
|
|
1296
|
|
|
1297 return NGX_OK;
|
|
|
1298 }
|
|
|
1299
|
|
|
1300 if (r->headers_out.content_length_n >= 0) {
|
|
382
|
1301 p = ngx_pnalloc(r->pool, NGX_OFF_T_LEN);
|
|
190
|
1302 if (p == NULL) {
|
|
|
1303 return NGX_ERROR;
|
|
|
1304 }
|
|
|
1305
|
|
|
1306 v->len = ngx_sprintf(p, "%O", r->headers_out.content_length_n) - p;
|
|
|
1307 v->valid = 1;
|
|
340
|
1308 v->no_cacheable = 0;
|
|
190
|
1309 v->not_found = 0;
|
|
|
1310 v->data = p;
|
|
|
1311
|
|
|
1312 return NGX_OK;
|
|
|
1313 }
|
|
|
1314
|
|
|
1315 v->not_found = 1;
|
|
|
1316
|
|
|
1317 return NGX_OK;
|
|
|
1318 }
|
|
|
1319
|
|
|
1320
|
|
|
1321 static ngx_int_t
|
|
442
|
1322 ngx_http_variable_sent_location(ngx_http_request_t *r,
|
|
|
1323 ngx_http_variable_value_t *v, uintptr_t data)
|
|
|
1324 {
|
|
454
|
1325 ngx_str_t name;
|
|
|
1326
|
|
442
|
1327 if (r->headers_out.location) {
|
|
|
1328 v->len = r->headers_out.location->value.len;
|
|
|
1329 v->valid = 1;
|
|
|
1330 v->no_cacheable = 0;
|
|
|
1331 v->not_found = 0;
|
|
|
1332 v->data = r->headers_out.location->value.data;
|
|
|
1333
|
|
|
1334 return NGX_OK;
|
|
|
1335 }
|
|
|
1336
|
|
454
|
1337 name.len = sizeof("sent_http_location") - 1;
|
|
|
1338 name.data = (u_char *) "sent_http_location";
|
|
|
1339
|
|
|
1340 return ngx_http_variable_unknown_header(v, &name,
|
|
442
|
1341 &r->headers_out.headers.part,
|
|
|
1342 sizeof("sent_http_") - 1);
|
|
|
1343 }
|
|
|
1344
|
|
|
1345
|
|
|
1346 static ngx_int_t
|
|
190
|
1347 ngx_http_variable_sent_last_modified(ngx_http_request_t *r,
|
|
|
1348 ngx_http_variable_value_t *v, uintptr_t data)
|
|
|
1349 {
|
|
|
1350 u_char *p;
|
|
|
1351
|
|
|
1352 if (r->headers_out.last_modified) {
|
|
|
1353 v->len = r->headers_out.last_modified->value.len;
|
|
|
1354 v->valid = 1;
|
|
340
|
1355 v->no_cacheable = 0;
|
|
190
|
1356 v->not_found = 0;
|
|
|
1357 v->data = r->headers_out.last_modified->value.data;
|
|
|
1358
|
|
|
1359 return NGX_OK;
|
|
|
1360 }
|
|
|
1361
|
|
|
1362 if (r->headers_out.last_modified_time >= 0) {
|
|
382
|
1363 p = ngx_pnalloc(r->pool,
|
|
190
|
1364 sizeof("Last-Modified: Mon, 28 Sep 1970 06:00:00 GMT") - 1);
|
|
|
1365 if (p == NULL) {
|
|
|
1366 return NGX_ERROR;
|
|
|
1367 }
|
|
|
1368
|
|
|
1369 v->len = ngx_http_time(p, r->headers_out.last_modified_time) - p;
|
|
|
1370 v->valid = 1;
|
|
340
|
1371 v->no_cacheable = 0;
|
|
190
|
1372 v->not_found = 0;
|
|
|
1373 v->data = p;
|
|
|
1374
|
|
|
1375 return NGX_OK;
|
|
|
1376 }
|
|
|
1377
|
|
|
1378 v->not_found = 1;
|
|
|
1379
|
|
|
1380 return NGX_OK;
|
|
|
1381 }
|
|
|
1382
|
|
|
1383
|
|
|
1384 static ngx_int_t
|
|
|
1385 ngx_http_variable_sent_connection(ngx_http_request_t *r,
|
|
|
1386 ngx_http_variable_value_t *v, uintptr_t data)
|
|
|
1387 {
|
|
|
1388 size_t len;
|
|
|
1389 char *p;
|
|
|
1390
|
|
|
1391 if (r->keepalive) {
|
|
|
1392 len = sizeof("keep-alive") - 1;
|
|
|
1393 p = "keep-alive";
|
|
|
1394
|
|
|
1395 } else {
|
|
|
1396 len = sizeof("close") - 1;
|
|
|
1397 p = "close";
|
|
|
1398 }
|
|
|
1399
|
|
|
1400 v->len = len;
|
|
|
1401 v->valid = 1;
|
|
340
|
1402 v->no_cacheable = 0;
|
|
190
|
1403 v->not_found = 0;
|
|
|
1404 v->data = (u_char *) p;
|
|
|
1405
|
|
|
1406 return NGX_OK;
|
|
|
1407 }
|
|
|
1408
|
|
|
1409
|
|
|
1410 static ngx_int_t
|
|
|
1411 ngx_http_variable_sent_keep_alive(ngx_http_request_t *r,
|
|
|
1412 ngx_http_variable_value_t *v, uintptr_t data)
|
|
|
1413 {
|
|
|
1414 u_char *p;
|
|
|
1415 ngx_http_core_loc_conf_t *clcf;
|
|
|
1416
|
|
|
1417 if (r->keepalive) {
|
|
|
1418 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
|
1419
|
|
|
1420 if (clcf->keepalive_header) {
|
|
|
1421
|
|
382
|
1422 p = ngx_pnalloc(r->pool, sizeof("timeout=") - 1 + NGX_TIME_T_LEN);
|
|
190
|
1423 if (p == NULL) {
|
|
|
1424 return NGX_ERROR;
|
|
|
1425 }
|
|
|
1426
|
|
|
1427 v->len = ngx_sprintf(p, "timeout=%T", clcf->keepalive_header) - p;
|
|
|
1428 v->valid = 1;
|
|
340
|
1429 v->no_cacheable = 0;
|
|
190
|
1430 v->not_found = 0;
|
|
|
1431 v->data = p;
|
|
|
1432
|
|
|
1433 return NGX_OK;
|
|
|
1434 }
|
|
|
1435 }
|
|
|
1436
|
|
|
1437 v->not_found = 1;
|
|
|
1438
|
|
|
1439 return NGX_OK;
|
|
|
1440 }
|
|
|
1441
|
|
|
1442
|
|
|
1443 static ngx_int_t
|
|
|
1444 ngx_http_variable_sent_transfer_encoding(ngx_http_request_t *r,
|
|
|
1445 ngx_http_variable_value_t *v, uintptr_t data)
|
|
|
1446 {
|
|
|
1447 if (r->chunked) {
|
|
|
1448 v->len = sizeof("chunked") - 1;
|
|
|
1449 v->valid = 1;
|
|
340
|
1450 v->no_cacheable = 0;
|
|
190
|
1451 v->not_found = 0;
|
|
|
1452 v->data = (u_char *) "chunked";
|
|
|
1453
|
|
|
1454 } else {
|
|
|
1455 v->not_found = 1;
|
|
|
1456 }
|
|
|
1457
|
|
|
1458 return NGX_OK;
|
|
|
1459 }
|
|
|
1460
|
|
|
1461
|
|
|
1462 static ngx_int_t
|
|
178
|
1463 ngx_http_variable_request_completion(ngx_http_request_t *r,
|
|
|
1464 ngx_http_variable_value_t *v, uintptr_t data)
|
|
|
1465 {
|
|
|
1466 if (r->request_complete) {
|
|
|
1467 v->len = 2;
|
|
|
1468 v->valid = 1;
|
|
340
|
1469 v->no_cacheable = 0;
|
|
178
|
1470 v->not_found = 0;
|
|
|
1471 v->data = (u_char *) "OK";
|
|
|
1472
|
|
|
1473 return NGX_OK;
|
|
|
1474 }
|
|
|
1475
|
|
|
1476 v->len = 0;
|
|
|
1477 v->valid = 1;
|
|
340
|
1478 v->no_cacheable = 0;
|
|
178
|
1479 v->not_found = 0;
|
|
|
1480 v->data = (u_char *) "";
|
|
|
1481
|
|
|
1482 return NGX_OK;
|
|
|
1483 }
|
|
|
1484
|
|
|
1485
|
|
244
|
1486 static ngx_int_t
|
|
492
|
1487 ngx_http_variable_request_body(ngx_http_request_t *r,
|
|
|
1488 ngx_http_variable_value_t *v, uintptr_t data)
|
|
|
1489 {
|
|
|
1490 u_char *p;
|
|
|
1491 size_t len;
|
|
|
1492 ngx_buf_t *buf, *next;
|
|
|
1493 ngx_chain_t *cl;
|
|
|
1494
|
|
494
|
1495 if (r->request_body == NULL
|
|
|
1496 || r->request_body->bufs == NULL
|
|
|
1497 || r->request_body->temp_file)
|
|
|
1498 {
|
|
492
|
1499 v->not_found = 1;
|
|
|
1500
|
|
|
1501 return NGX_OK;
|
|
|
1502 }
|
|
|
1503
|
|
|
1504 cl = r->request_body->bufs;
|
|
|
1505 buf = cl->buf;
|
|
|
1506
|
|
|
1507 if (cl->next == NULL) {
|
|
|
1508 v->len = buf->last - buf->pos;
|
|
|
1509 v->valid = 1;
|
|
|
1510 v->no_cacheable = 0;
|
|
|
1511 v->not_found = 0;
|
|
|
1512 v->data = buf->pos;
|
|
|
1513
|
|
|
1514 return NGX_OK;
|
|
|
1515 }
|
|
|
1516
|
|
|
1517 next = cl->next->buf;
|
|
|
1518 len = (buf->last - buf->pos) + (next->last - next->pos);
|
|
|
1519
|
|
|
1520 p = ngx_pnalloc(r->pool, len);
|
|
|
1521 if (p == NULL) {
|
|
|
1522 return NGX_ERROR;
|
|
|
1523 }
|
|
|
1524
|
|
|
1525 v->data = p;
|
|
|
1526
|
|
|
1527 p = ngx_cpymem(p, buf->pos, buf->last - buf->pos);
|
|
|
1528 ngx_memcpy(p, next->pos, next->last - next->pos);
|
|
|
1529
|
|
|
1530 v->len = len;
|
|
|
1531 v->valid = 1;
|
|
|
1532 v->no_cacheable = 0;
|
|
|
1533 v->not_found = 0;
|
|
|
1534
|
|
|
1535 return NGX_OK;
|
|
|
1536 }
|
|
|
1537
|
|
|
1538
|
|
|
1539 static ngx_int_t
|
|
244
|
1540 ngx_http_variable_request_body_file(ngx_http_request_t *r,
|
|
|
1541 ngx_http_variable_value_t *v, uintptr_t data)
|
|
|
1542 {
|
|
|
1543 if (r->request_body == NULL || r->request_body->temp_file == NULL) {
|
|
246
|
1544 v->not_found = 1;
|
|
244
|
1545
|
|
|
1546 return NGX_OK;
|
|
|
1547 }
|
|
|
1548
|
|
|
1549 v->len = r->request_body->temp_file->file.name.len;
|
|
|
1550 v->valid = 1;
|
|
340
|
1551 v->no_cacheable = 0;
|
|
244
|
1552 v->not_found = 0;
|
|
|
1553 v->data = r->request_body->temp_file->file.name.data;
|
|
|
1554
|
|
|
1555 return NGX_OK;
|
|
|
1556 }
|
|
|
1557
|
|
|
1558
|
|
322
|
1559 static ngx_int_t
|
|
|
1560 ngx_http_variable_nginx_version(ngx_http_request_t *r,
|
|
|
1561 ngx_http_variable_value_t *v, uintptr_t data)
|
|
|
1562 {
|
|
|
1563 v->len = sizeof(NGINX_VERSION) - 1;
|
|
|
1564 v->valid = 1;
|
|
340
|
1565 v->no_cacheable = 0;
|
|
322
|
1566 v->not_found = 0;
|
|
|
1567 v->data = (u_char *) NGINX_VERSION;
|
|
|
1568
|
|
|
1569 return NGX_OK;
|
|
|
1570 }
|
|
|
1571
|
|
|
1572
|
|
376
|
1573 static ngx_int_t
|
|
|
1574 ngx_http_variable_hostname(ngx_http_request_t *r,
|
|
|
1575 ngx_http_variable_value_t *v, uintptr_t data)
|
|
|
1576 {
|
|
|
1577 v->len = ngx_cycle->hostname.len;
|
|
|
1578 v->valid = 1;
|
|
|
1579 v->no_cacheable = 0;
|
|
|
1580 v->not_found = 0;
|
|
|
1581 v->data = ngx_cycle->hostname.data;
|
|
|
1582
|
|
|
1583 return NGX_OK;
|
|
|
1584 }
|
|
|
1585
|
|
|
1586
|
|
410
|
1587 static ngx_int_t
|
|
|
1588 ngx_http_variable_pid(ngx_http_request_t *r,
|
|
|
1589 ngx_http_variable_value_t *v, uintptr_t data)
|
|
|
1590 {
|
|
|
1591 u_char *p;
|
|
|
1592
|
|
|
1593 p = ngx_pnalloc(r->pool, NGX_INT64_LEN);
|
|
|
1594 if (p == NULL) {
|
|
|
1595 return NGX_ERROR;
|
|
|
1596 }
|
|
|
1597
|
|
|
1598 v->len = ngx_sprintf(p, "%P", ngx_pid) - p;
|
|
|
1599 v->valid = 1;
|
|
|
1600 v->no_cacheable = 0;
|
|
|
1601 v->not_found = 0;
|
|
|
1602 v->data = p;
|
|
|
1603
|
|
|
1604 return NGX_OK;
|
|
|
1605 }
|
|
|
1606
|
|
|
1607
|
|
48
|
1608 ngx_int_t
|
|
58
|
1609 ngx_http_variables_add_core_vars(ngx_conf_t *cf)
|
|
48
|
1610 {
|
|
160
|
1611 ngx_int_t rc;
|
|
|
1612 ngx_http_variable_t *v;
|
|
50
|
1613 ngx_http_core_main_conf_t *cmcf;
|
|
48
|
1614
|
|
58
|
1615 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module);
|
|
|
1616
|
|
160
|
1617 cmcf->variables_keys = ngx_pcalloc(cf->temp_pool,
|
|
|
1618 sizeof(ngx_hash_keys_arrays_t));
|
|
|
1619 if (cmcf->variables_keys == NULL) {
|
|
|
1620 return NGX_ERROR;
|
|
|
1621 }
|
|
|
1622
|
|
|
1623 cmcf->variables_keys->pool = cf->pool;
|
|
|
1624 cmcf->variables_keys->temp_pool = cf->pool;
|
|
|
1625
|
|
|
1626 if (ngx_hash_keys_array_init(cmcf->variables_keys, NGX_HASH_SMALL)
|
|
|
1627 != NGX_OK)
|
|
58
|
1628 {
|
|
48
|
1629 return NGX_ERROR;
|
|
|
1630 }
|
|
|
1631
|
|
160
|
1632 for (v = ngx_http_core_variables; v->name.len; v++) {
|
|
|
1633 rc = ngx_hash_add_key(cmcf->variables_keys, &v->name, v,
|
|
|
1634 NGX_HASH_READONLY_KEY);
|
|
|
1635
|
|
|
1636 if (rc == NGX_OK) {
|
|
|
1637 continue;
|
|
48
|
1638 }
|
|
|
1639
|
|
160
|
1640 if (rc == NGX_BUSY) {
|
|
|
1641 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1642 "conflicting variable name \"%V\"", &v->name);
|
|
|
1643 }
|
|
|
1644
|
|
|
1645 return NGX_ERROR;
|
|
48
|
1646 }
|
|
|
1647
|
|
|
1648 return NGX_OK;
|
|
|
1649 }
|
|
58
|
1650
|
|
|
1651
|
|
|
1652 ngx_int_t
|
|
|
1653 ngx_http_variables_init_vars(ngx_conf_t *cf)
|
|
|
1654 {
|
|
|
1655 ngx_uint_t i, n;
|
|
160
|
1656 ngx_hash_key_t *key;
|
|
|
1657 ngx_hash_init_t hash;
|
|
58
|
1658 ngx_http_variable_t *v, *av;
|
|
|
1659 ngx_http_core_main_conf_t *cmcf;
|
|
|
1660
|
|
|
1661 /* set the handlers for the indexed http variables */
|
|
|
1662
|
|
|
1663 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module);
|
|
|
1664
|
|
|
1665 v = cmcf->variables.elts;
|
|
160
|
1666 key = cmcf->variables_keys->keys.elts;
|
|
58
|
1667
|
|
|
1668 for (i = 0; i < cmcf->variables.nelts; i++) {
|
|
|
1669
|
|
160
|
1670 for (n = 0; n < cmcf->variables_keys->keys.nelts; n++) {
|
|
58
|
1671
|
|
300
|
1672 av = key[n].value;
|
|
|
1673
|
|
|
1674 if (av->get_handler
|
|
|
1675 && v[i].name.len == key[n].key.len
|
|
160
|
1676 && ngx_strncmp(v[i].name.data, key[n].key.data, v[i].name.len)
|
|
58
|
1677 == 0)
|
|
|
1678 {
|
|
186
|
1679 v[i].get_handler = av->get_handler;
|
|
160
|
1680 v[i].data = av->data;
|
|
76
|
1681
|
|
160
|
1682 av->flags |= NGX_HTTP_VAR_INDEXED;
|
|
|
1683 v[i].flags = av->flags;
|
|
58
|
1684
|
|
160
|
1685 av->index = i;
|
|
82
|
1686
|
|
58
|
1687 goto next;
|
|
|
1688 }
|
|
|
1689 }
|
|
|
1690
|
|
|
1691 if (ngx_strncmp(v[i].name.data, "http_", 5) == 0) {
|
|
186
|
1692 v[i].get_handler = ngx_http_variable_unknown_header_in;
|
|
126
|
1693 v[i].data = (uintptr_t) &v[i].name;
|
|
|
1694
|
|
|
1695 continue;
|
|
|
1696 }
|
|
|
1697
|
|
|
1698 if (ngx_strncmp(v[i].name.data, "sent_http_", 10) == 0) {
|
|
186
|
1699 v[i].get_handler = ngx_http_variable_unknown_header_out;
|
|
58
|
1700 v[i].data = (uintptr_t) &v[i].name;
|
|
|
1701
|
|
|
1702 continue;
|
|
|
1703 }
|
|
|
1704
|
|
296
|
1705 if (ngx_strncmp(v[i].name.data, "upstream_http_", 14) == 0) {
|
|
|
1706 v[i].get_handler = ngx_http_upstream_header_variable;
|
|
|
1707 v[i].data = (uintptr_t) &v[i].name;
|
|
340
|
1708 v[i].flags = NGX_HTTP_VAR_NOCACHEABLE;
|
|
296
|
1709
|
|
|
1710 continue;
|
|
|
1711 }
|
|
|
1712
|
|
420
|
1713 if (ngx_strncmp(v[i].name.data, "cookie_", 7) == 0) {
|
|
|
1714 v[i].get_handler = ngx_http_variable_cookie;
|
|
|
1715 v[i].data = (uintptr_t) &v[i].name;
|
|
|
1716
|
|
|
1717 continue;
|
|
|
1718 }
|
|
|
1719
|
|
392
|
1720 if (ngx_strncmp(v[i].name.data, "arg_", 4) == 0) {
|
|
|
1721 v[i].get_handler = ngx_http_variable_argument;
|
|
|
1722 v[i].data = (uintptr_t) &v[i].name;
|
|
|
1723
|
|
|
1724 continue;
|
|
|
1725 }
|
|
|
1726
|
|
58
|
1727 ngx_log_error(NGX_LOG_EMERG, cf->log, 0,
|
|
|
1728 "unknown \"%V\" variable", &v[i].name);
|
|
|
1729
|
|
|
1730 return NGX_ERROR;
|
|
|
1731
|
|
|
1732 next:
|
|
|
1733 continue;
|
|
|
1734 }
|
|
|
1735
|
|
|
1736
|
|
160
|
1737 for (n = 0; n < cmcf->variables_keys->keys.nelts; n++) {
|
|
|
1738 av = key[n].value;
|
|
|
1739
|
|
|
1740 if (av->flags & NGX_HTTP_VAR_NOHASH) {
|
|
|
1741 key[n].key.data = NULL;
|
|
132
|
1742 }
|
|
|
1743 }
|
|
|
1744
|
|
|
1745
|
|
160
|
1746 hash.hash = &cmcf->variables_hash;
|
|
|
1747 hash.key = ngx_hash_key;
|
|
|
1748 hash.max_size = cmcf->variables_hash_max_size;
|
|
|
1749 hash.bucket_size = cmcf->variables_hash_bucket_size;
|
|
|
1750 hash.name = "variables_hash";
|
|
|
1751 hash.pool = cf->pool;
|
|
|
1752 hash.temp_pool = NULL;
|
|
58
|
1753
|
|
160
|
1754 if (ngx_hash_init(&hash, cmcf->variables_keys->keys.elts,
|
|
|
1755 cmcf->variables_keys->keys.nelts)
|
|
130
|
1756 != NGX_OK)
|
|
58
|
1757 {
|
|
|
1758 return NGX_ERROR;
|
|
|
1759 }
|
|
|
1760
|
|
160
|
1761 cmcf->variables_keys = NULL;
|
|
58
|
1762
|
|
|
1763 return NGX_OK;
|
|
|
1764 }
|
|
422
|
1765
|
|
|
1766
|
|
|
1767 void
|
|
|
1768 ngx_http_variable_value_rbtree_insert(ngx_rbtree_node_t *temp,
|
|
|
1769 ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel)
|
|
|
1770 {
|
|
|
1771 ngx_rbtree_node_t **p;
|
|
|
1772 ngx_http_variable_value_node_t *vvn, *vvt;
|
|
|
1773
|
|
|
1774 for ( ;; ) {
|
|
|
1775
|
|
|
1776 vvn = (ngx_http_variable_value_node_t *) node;
|
|
|
1777 vvt = (ngx_http_variable_value_node_t *) temp;
|
|
|
1778
|
|
|
1779 if (node->key != temp->key) {
|
|
|
1780
|
|
|
1781 p = (node->key < temp->key) ? &temp->left : &temp->right;
|
|
|
1782
|
|
|
1783 } else if (vvn->len != vvt->len) {
|
|
|
1784
|
|
|
1785 p = (vvn->len < vvt->len) ? &temp->left : &temp->right;
|
|
|
1786
|
|
|
1787 } else {
|
|
|
1788 p = (ngx_memcmp(vvn->value->data, vvt->value->data, vvn->len) < 0)
|
|
|
1789 ? &temp->left : &temp->right;
|
|
|
1790 }
|
|
|
1791
|
|
|
1792 if (*p == sentinel) {
|
|
|
1793 break;
|
|
|
1794 }
|
|
|
1795
|
|
|
1796 temp = *p;
|
|
|
1797 }
|
|
|
1798
|
|
|
1799 *p = node;
|
|
|
1800 node->parent = temp;
|
|
|
1801 node->left = sentinel;
|
|
|
1802 node->right = sentinel;
|
|
|
1803 ngx_rbt_red(node);
|
|
|
1804 }
|
|
|
1805
|
|
|
1806
|
|
|
1807 ngx_http_variable_value_t *
|
|
|
1808 ngx_http_variable_value_lookup(ngx_rbtree_t *rbtree, ngx_str_t *val,
|
|
|
1809 uint32_t hash)
|
|
|
1810 {
|
|
|
1811 ngx_int_t rc;
|
|
|
1812 ngx_rbtree_node_t *node, *sentinel;
|
|
|
1813 ngx_http_variable_value_node_t *vvn;
|
|
|
1814
|
|
|
1815 node = rbtree->root;
|
|
|
1816 sentinel = rbtree->sentinel;
|
|
|
1817
|
|
|
1818 while (node != sentinel) {
|
|
|
1819
|
|
|
1820 vvn = (ngx_http_variable_value_node_t *) node;
|
|
|
1821
|
|
|
1822 if (hash != node->key) {
|
|
|
1823 node = (hash < node->key) ? node->left : node->right;
|
|
|
1824 continue;
|
|
|
1825 }
|
|
|
1826
|
|
|
1827 if (val->len != vvn->len) {
|
|
|
1828 node = (val->len < vvn->len) ? node->left : node->right;
|
|
|
1829 continue;
|
|
|
1830 }
|
|
|
1831
|
|
|
1832 rc = ngx_memcmp(val->data, vvn->value->data, val->len);
|
|
|
1833
|
|
|
1834 if (rc < 0) {
|
|
|
1835 node = node->left;
|
|
|
1836 continue;
|
|
|
1837 }
|
|
|
1838
|
|
|
1839 if (rc > 0) {
|
|
|
1840 node = node->right;
|
|
|
1841 continue;
|
|
|
1842 }
|
|
|
1843
|
|
|
1844 return vvn->value;
|
|
|
1845 }
|
|
|
1846
|
|
|
1847 return NULL;
|
|
|
1848 }
|
