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56
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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 #ifndef _NGX_HTTP_SCRIPT_H_INCLUDED_
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8 #define _NGX_HTTP_SCRIPT_H_INCLUDED_
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9
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10
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11 #include <ngx_config.h>
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12 #include <ngx_core.h>
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13 #include <ngx_http.h>
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14
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15
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16 typedef struct {
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17 u_char *ip;
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18 u_char *pos;
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58
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19 ngx_http_variable_value_t *sp;
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20
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21 ngx_str_t buf;
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64
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22 ngx_str_t line;
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23
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24 /* the start of the rewritten arguments */
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25 u_char *args;
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26
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58
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27 unsigned skip:1;
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28 unsigned quote:1;
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29 unsigned log:1;
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30
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58
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31 int *captures;
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64
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32 ngx_uint_t ncaptures;
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58
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33
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34 ngx_int_t status;
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35 ngx_http_request_t *request;
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56
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36 } ngx_http_script_engine_t;
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37
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38
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58
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39 typedef struct {
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40 ngx_conf_t *cf;
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41 ngx_str_t *source;
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42 ngx_array_t **lengths;
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43 ngx_array_t **values;
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44
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45 ngx_uint_t variables;
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46 ngx_uint_t ncaptures;
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47 ngx_uint_t size;
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48
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49 void *main;
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50
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51 unsigned compile_args:1;
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52 unsigned compile_null:1;
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53 unsigned complete_lengths:1;
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54 unsigned complete_values:1;
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55
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56 unsigned args:1;
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57 } ngx_http_script_compile_t;
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58
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59
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60 typedef void (*ngx_http_script_code_pt) (ngx_http_script_engine_t *e);
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61 typedef size_t (*ngx_http_script_len_code_pt) (ngx_http_script_engine_t *e);
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56
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62
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63
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64 typedef struct {
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65 ngx_http_script_code_pt code;
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66 uintptr_t len;
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67 } ngx_http_script_copy_code_t;
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68
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69
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70 typedef struct {
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71 ngx_http_script_code_pt code;
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72 uintptr_t index;
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73 } ngx_http_script_var_code_t;
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74
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75
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58
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76 typedef struct {
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77 ngx_http_script_code_pt code;
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78 uintptr_t n;
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79 } ngx_http_script_copy_capture_code_t;
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80
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81
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82 typedef struct {
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83 ngx_http_script_code_pt code;
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84 ngx_regex_t *regex;
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85 ngx_array_t *lengths;
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86 uintptr_t size;
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87 uintptr_t ncaptures;
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88 uintptr_t status;
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89 uintptr_t next;
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90
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91 uintptr_t test:1;
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92 uintptr_t uri:1;
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93 uintptr_t args:1;
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94
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95 /* add the r->args to the new arguments */
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96 uintptr_t add_args:1;
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97
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98 uintptr_t redirect:1;
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99 uintptr_t break_cycle:1;
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100
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101 ngx_str_t name;
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102 } ngx_http_script_regex_code_t;
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103
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104
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105 typedef struct {
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106 ngx_http_script_code_pt code;
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107
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108 uintptr_t uri:1;
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109 uintptr_t args:1;
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110
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111 /* add the r->args to the new arguments */
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112 uintptr_t add_args:1;
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113
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114 uintptr_t redirect:1;
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115 } ngx_http_script_regex_end_code_t;
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116
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117
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118 typedef struct {
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119 ngx_http_script_code_pt code;
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120 uintptr_t status;
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121 uintptr_t null;
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122 } ngx_http_script_return_code_t;
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123
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124
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125 typedef struct {
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126 ngx_http_script_code_pt code;
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127 uintptr_t next;
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128 void **loc_conf;
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129 } ngx_http_script_if_code_t;
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130
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131
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132 typedef struct {
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133 ngx_http_script_code_pt code;
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64
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134 ngx_array_t *lengths;
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135 } ngx_http_script_complex_value_code_t;
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136
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137
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138 typedef struct {
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139 ngx_http_script_code_pt code;
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58
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140 uintptr_t value;
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141 uintptr_t text_len;
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142 uintptr_t text_data;
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143 } ngx_http_script_value_code_t;
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144
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145
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58
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146 ngx_uint_t ngx_http_script_variables_count(ngx_str_t *value);
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147 ngx_int_t ngx_http_script_compile(ngx_http_script_compile_t *sc);
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148
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149 void *ngx_http_script_start_code(ngx_pool_t *pool, ngx_array_t **codes,
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150 size_t size);
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151 void *ngx_http_script_add_code(ngx_array_t *codes, size_t size, void *code);
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56
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152
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58
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153 size_t ngx_http_script_copy_len_code(ngx_http_script_engine_t *e);
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154 void ngx_http_script_copy_code(ngx_http_script_engine_t *e);
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155 size_t ngx_http_script_copy_var_len_code(ngx_http_script_engine_t *e);
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156 void ngx_http_script_copy_var_code(ngx_http_script_engine_t *e);
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157 size_t ngx_http_script_copy_capture_len_code(ngx_http_script_engine_t *e);
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158 void ngx_http_script_copy_capture_code(ngx_http_script_engine_t *e);
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159 void ngx_http_script_regex_start_code(ngx_http_script_engine_t *e);
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160 void ngx_http_script_regex_end_code(ngx_http_script_engine_t *e);
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161 void ngx_http_script_copy_capture_code(ngx_http_script_engine_t *e);
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162 void ngx_http_script_start_args_code(ngx_http_script_engine_t *e);
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163 void ngx_http_script_return_code(ngx_http_script_engine_t *e);
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164 void ngx_http_script_if_code(ngx_http_script_engine_t *e);
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64
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165 void ngx_http_script_complex_value_code(ngx_http_script_engine_t *e);
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58
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166 void ngx_http_script_value_code(ngx_http_script_engine_t *e);
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167 void ngx_http_script_set_var_code(ngx_http_script_engine_t *e);
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168 void ngx_http_script_var_code(ngx_http_script_engine_t *e);
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169 void ngx_http_script_nop_code(ngx_http_script_engine_t *e);
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170
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171
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172 #endif /* _NGX_HTTP_SCRIPT_H_INCLUDED_ */
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