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