Mercurial > hg > nginx
annotate src/http/ngx_http_script.c @ 3789:19c931be8b98
allow expressions in the first "map" parameter
author | Igor Sysoev <igor@sysoev.ru> |
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date | Thu, 25 Nov 2010 15:22:43 +0000 |
parents | 0a84dc5f5613 |
children | e7798b5e990a |
rev | line source |
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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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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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10 |
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11 |
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12 static ngx_int_t ngx_http_script_init_arrays(ngx_http_script_compile_t *sc); |
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13 static ngx_int_t ngx_http_script_done(ngx_http_script_compile_t *sc); |
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14 static ngx_int_t ngx_http_script_add_copy_code(ngx_http_script_compile_t *sc, |
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15 ngx_str_t *value, ngx_uint_t last); |
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16 static ngx_int_t ngx_http_script_add_var_code(ngx_http_script_compile_t *sc, |
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17 ngx_str_t *name); |
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18 static ngx_int_t ngx_http_script_add_args_code(ngx_http_script_compile_t *sc); |
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19 #if (NGX_PCRE) |
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20 static ngx_int_t ngx_http_script_add_capture_code(ngx_http_script_compile_t *sc, |
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21 ngx_uint_t n); |
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22 #endif |
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23 static ngx_int_t |
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24 ngx_http_script_add_full_name_code(ngx_http_script_compile_t *sc); |
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25 static size_t ngx_http_script_full_name_len_code(ngx_http_script_engine_t *e); |
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26 static void ngx_http_script_full_name_code(ngx_http_script_engine_t *e); |
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27 |
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28 |
509 | 29 #define ngx_http_script_exit (u_char *) &ngx_http_script_exit_code |
30 | |
31 static uintptr_t ngx_http_script_exit_code = (uintptr_t) NULL; | |
32 | |
33 | |
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34 void |
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35 ngx_http_script_flush_complex_value(ngx_http_request_t *r, |
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36 ngx_http_complex_value_t *val) |
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37 { |
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38 ngx_uint_t *index; |
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39 |
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40 index = val->flushes; |
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41 |
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42 if (index) { |
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43 while (*index != (ngx_uint_t) -1) { |
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44 |
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45 if (r->variables[*index].no_cacheable) { |
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46 r->variables[*index].valid = 0; |
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47 r->variables[*index].not_found = 0; |
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48 } |
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49 |
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50 index++; |
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51 } |
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52 } |
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53 } |
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54 |
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55 |
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56 ngx_int_t |
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57 ngx_http_complex_value(ngx_http_request_t *r, ngx_http_complex_value_t *val, |
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58 ngx_str_t *value) |
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59 { |
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60 size_t len; |
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61 ngx_http_script_code_pt code; |
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62 ngx_http_script_len_code_pt lcode; |
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63 ngx_http_script_engine_t e; |
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64 |
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65 if (val->lengths == NULL) { |
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66 *value = val->value; |
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67 return NGX_OK; |
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68 } |
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69 |
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70 ngx_http_script_flush_complex_value(r, val); |
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71 |
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72 ngx_memzero(&e, sizeof(ngx_http_script_engine_t)); |
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73 |
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74 e.ip = val->lengths; |
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75 e.request = r; |
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76 e.flushed = 1; |
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77 |
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78 len = 0; |
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79 |
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80 while (*(uintptr_t *) e.ip) { |
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81 lcode = *(ngx_http_script_len_code_pt *) e.ip; |
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82 len += lcode(&e); |
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83 } |
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84 |
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85 value->len = len; |
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86 value->data = ngx_pnalloc(r->pool, len); |
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87 if (value->data == NULL) { |
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88 return NGX_ERROR; |
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89 } |
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90 |
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91 e.ip = val->values; |
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92 e.pos = value->data; |
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93 e.buf = *value; |
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94 |
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95 while (*(uintptr_t *) e.ip) { |
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96 code = *(ngx_http_script_code_pt *) e.ip; |
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97 code((ngx_http_script_engine_t *) &e); |
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98 } |
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99 |
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100 *value = e.buf; |
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101 |
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102 return NGX_OK; |
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103 } |
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104 |
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105 |
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106 ngx_int_t |
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107 ngx_http_compile_complex_value(ngx_http_compile_complex_value_t *ccv) |
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108 { |
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109 ngx_str_t *v; |
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110 ngx_uint_t i, n, nv, nc; |
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111 ngx_array_t flushes, lengths, values, *pf, *pl, *pv; |
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112 ngx_http_script_compile_t sc; |
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113 |
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114 v = ccv->value; |
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115 |
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116 if (v->len == 0) { |
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117 ngx_conf_log_error(NGX_LOG_EMERG, ccv->cf, 0, "empty parameter"); |
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118 return NGX_ERROR; |
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119 } |
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120 |
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121 nv = 0; |
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122 nc = 0; |
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123 |
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124 for (i = 0; i < v->len; i++) { |
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125 if (v->data[i] == '$') { |
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126 if (v->data[i + 1] >= '1' && v->data[i + 1] <= '9') { |
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127 nc++; |
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128 |
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129 } else { |
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130 nv++; |
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131 } |
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132 } |
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133 } |
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134 |
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135 if (v->data[0] != '$' && (ccv->conf_prefix || ccv->root_prefix)) { |
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136 |
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137 if (ngx_conf_full_name(ccv->cf->cycle, v, ccv->conf_prefix) != NGX_OK) { |
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138 return NGX_ERROR; |
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139 } |
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140 |
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141 ccv->conf_prefix = 0; |
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142 ccv->root_prefix = 0; |
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143 } |
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144 |
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145 ccv->complex_value->value = *v; |
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146 ccv->complex_value->flushes = NULL; |
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147 ccv->complex_value->lengths = NULL; |
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148 ccv->complex_value->values = NULL; |
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149 |
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150 if (nv == 0 && nc == 0) { |
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151 return NGX_OK; |
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152 } |
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153 |
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154 n = nv + 1; |
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155 |
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156 if (ngx_array_init(&flushes, ccv->cf->pool, n, sizeof(ngx_uint_t)) |
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157 != NGX_OK) |
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158 { |
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159 return NGX_ERROR; |
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160 } |
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161 |
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162 n = nv * (2 * sizeof(ngx_http_script_copy_code_t) |
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163 + sizeof(ngx_http_script_var_code_t)) |
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164 + sizeof(uintptr_t); |
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165 |
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166 if (ngx_array_init(&lengths, ccv->cf->pool, n, 1) != NGX_OK) { |
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167 return NGX_ERROR; |
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168 } |
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169 |
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170 n = (nv * (2 * sizeof(ngx_http_script_copy_code_t) |
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171 + sizeof(ngx_http_script_var_code_t)) |
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172 + sizeof(uintptr_t) |
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173 + v->len |
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174 + sizeof(uintptr_t) - 1) |
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175 & ~(sizeof(uintptr_t) - 1); |
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176 |
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177 if (ngx_array_init(&values, ccv->cf->pool, n, 1) != NGX_OK) { |
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178 return NGX_ERROR; |
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179 } |
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180 |
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181 pf = &flushes; |
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182 pl = &lengths; |
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183 pv = &values; |
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184 |
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185 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); |
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186 |
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187 sc.cf = ccv->cf; |
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188 sc.source = v; |
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189 sc.flushes = &pf; |
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190 sc.lengths = &pl; |
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191 sc.values = &pv; |
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192 sc.complete_lengths = 1; |
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193 sc.complete_values = 1; |
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194 sc.zero = ccv->zero; |
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195 sc.conf_prefix = ccv->conf_prefix; |
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196 sc.root_prefix = ccv->root_prefix; |
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197 |
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198 if (ngx_http_script_compile(&sc) != NGX_OK) { |
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199 return NGX_ERROR; |
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200 } |
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201 |
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202 if (flushes.nelts) { |
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203 ccv->complex_value->flushes = flushes.elts; |
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204 ccv->complex_value->flushes[flushes.nelts] = (ngx_uint_t) -1; |
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205 } |
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206 |
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207 ccv->complex_value->lengths = lengths.elts; |
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208 ccv->complex_value->values = values.elts; |
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209 |
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210 return NGX_OK; |
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211 } |
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212 |
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213 |
3756
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214 char * |
3761 | 215 ngx_http_set_complex_value_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
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216 { |
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217 char *p = conf; |
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218 |
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219 ngx_str_t *value; |
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220 ngx_http_complex_value_t **cv; |
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221 ngx_http_compile_complex_value_t ccv; |
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222 |
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223 cv = (ngx_http_complex_value_t **) (p + cmd->offset); |
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224 |
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225 if (*cv != NULL) { |
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226 return "duplicate"; |
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227 } |
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228 |
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229 *cv = ngx_palloc(cf->pool, sizeof(ngx_http_complex_value_t)); |
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230 if (*cv == NULL) { |
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231 return NGX_CONF_ERROR; |
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232 } |
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233 |
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234 value = cf->args->elts; |
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235 |
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236 ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t)); |
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237 |
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238 ccv.cf = cf; |
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239 ccv.value = &value[1]; |
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240 ccv.complex_value = *cv; |
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241 |
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242 if (ngx_http_compile_complex_value(&ccv) != NGX_OK) { |
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243 return NGX_CONF_ERROR; |
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244 } |
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245 |
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246 return NGX_CONF_OK; |
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247 } |
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248 |
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249 |
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250 ngx_int_t |
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251 ngx_http_test_predicates(ngx_http_request_t *r, ngx_array_t *predicates) |
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252 { |
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253 ngx_str_t val; |
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254 ngx_uint_t i; |
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255 ngx_http_complex_value_t *cv; |
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256 |
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257 if (predicates == NULL) { |
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258 return NGX_OK; |
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259 } |
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260 |
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261 cv = predicates->elts; |
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262 |
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263 for (i = 0; i < predicates->nelts; i++) { |
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264 if (ngx_http_complex_value(r, &cv[i], &val) != NGX_OK) { |
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265 return NGX_ERROR; |
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266 } |
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267 |
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268 if (val.len && val.data[0] != '0') { |
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269 return NGX_DECLINED; |
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270 } |
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271 } |
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272 |
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273 return NGX_OK; |
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274 } |
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275 |
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276 |
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277 char * |
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278 ngx_http_set_predicate_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
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279 { |
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280 char *p = conf; |
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281 |
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282 ngx_str_t *value; |
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283 ngx_uint_t i; |
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284 ngx_array_t **a; |
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285 ngx_http_complex_value_t *cv; |
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286 ngx_http_compile_complex_value_t ccv; |
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287 |
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288 a = (ngx_array_t **) (p + cmd->offset); |
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289 |
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290 if (*a == NGX_CONF_UNSET_PTR) { |
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291 *a = ngx_array_create(cf->pool, 1, sizeof(ngx_http_complex_value_t)); |
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292 if (*a == NULL) { |
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293 return NGX_CONF_ERROR; |
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294 } |
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295 } |
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296 |
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297 value = cf->args->elts; |
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298 |
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299 for (i = 1; i < cf->args->nelts; i++) { |
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300 cv = ngx_array_push(*a); |
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301 if (cv == NULL) { |
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302 return NGX_CONF_ERROR; |
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303 } |
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304 |
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305 ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t)); |
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306 |
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307 ccv.cf = cf; |
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308 ccv.value = &value[i]; |
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309 ccv.complex_value = cv; |
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310 |
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311 if (ngx_http_compile_complex_value(&ccv) != NGX_OK) { |
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312 return NGX_CONF_ERROR; |
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313 } |
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314 } |
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315 |
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316 return NGX_CONF_OK; |
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317 } |
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318 |
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319 |
509 | 320 ngx_uint_t |
321 ngx_http_script_variables_count(ngx_str_t *value) | |
99
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322 { |
509 | 323 ngx_uint_t i, n; |
507 | 324 |
509 | 325 for (n = 0, i = 0; i < value->len; i++) { |
326 if (value->data[i] == '$') { | |
327 n++; | |
328 } | |
507 | 329 } |
330 | |
509 | 331 return n; |
332 } | |
333 | |
334 | |
335 ngx_int_t | |
336 ngx_http_script_compile(ngx_http_script_compile_t *sc) | |
337 { | |
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338 u_char ch; |
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339 ngx_str_t name; |
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340 ngx_uint_t i, bracket; |
573 | 341 |
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342 if (ngx_http_script_init_arrays(sc) != NGX_OK) { |
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343 return NGX_ERROR; |
509 | 344 } |
345 | |
346 for (i = 0; i < sc->source->len; /* void */ ) { | |
347 | |
348 name.len = 0; | |
349 | |
350 if (sc->source->data[i] == '$') { | |
351 | |
352 if (++i == sc->source->len) { | |
353 goto invalid_variable; | |
354 } | |
355 | |
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356 #if (NGX_PCRE) |
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357 { |
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358 ngx_uint_t n; |
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359 |
509 | 360 if (sc->source->data[i] >= '1' && sc->source->data[i] <= '9') { |
361 | |
641 | 362 n = sc->source->data[i] - '0'; |
363 | |
364 if (sc->captures_mask & (1 << n)) { | |
365 sc->dup_capture = 1; | |
366 } | |
367 | |
368 sc->captures_mask |= 1 << n; | |
369 | |
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370 if (ngx_http_script_add_capture_code(sc, n) != NGX_OK) { |
509 | 371 return NGX_ERROR; |
372 } | |
373 | |
374 i++; | |
375 | |
376 continue; | |
377 } | |
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378 } |
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379 #endif |
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380 |
509 | 381 if (sc->source->data[i] == '{') { |
382 bracket = 1; | |
383 | |
384 if (++i == sc->source->len) { | |
385 goto invalid_variable; | |
386 } | |
387 | |
388 name.data = &sc->source->data[i]; | |
389 | |
390 } else { | |
391 bracket = 0; | |
392 name.data = &sc->source->data[i]; | |
393 } | |
394 | |
395 for ( /* void */ ; i < sc->source->len; i++, name.len++) { | |
396 ch = sc->source->data[i]; | |
507 | 397 |
509 | 398 if (ch == '}' && bracket) { |
399 i++; | |
400 bracket = 0; | |
401 break; | |
402 } | |
403 | |
404 if ((ch >= 'A' && ch <= 'Z') | |
405 || (ch >= 'a' && ch <= 'z') | |
406 || (ch >= '0' && ch <= '9') | |
407 || ch == '_') | |
408 { | |
409 continue; | |
410 } | |
411 | |
412 break; | |
413 } | |
414 | |
415 if (bracket) { | |
416 ngx_conf_log_error(NGX_LOG_EMERG, sc->cf, 0, | |
417 "the closing bracket in \"%V\" " | |
418 "variable is missing", &name); | |
507 | 419 return NGX_ERROR; |
420 } | |
421 | |
509 | 422 if (name.len == 0) { |
423 goto invalid_variable; | |
424 } | |
507 | 425 |
509 | 426 sc->variables++; |
507 | 427 |
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428 if (ngx_http_script_add_var_code(sc, &name) != NGX_OK) { |
507 | 429 return NGX_ERROR; |
430 } | |
99
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431 |
509 | 432 continue; |
433 } | |
507 | 434 |
509 | 435 if (sc->source->data[i] == '?' && sc->compile_args) { |
436 sc->args = 1; | |
437 sc->compile_args = 0; | |
99
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438 |
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439 if (ngx_http_script_add_args_code(sc) != NGX_OK) { |
1891
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440 return NGX_ERROR; |
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441 } |
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442 |
509 | 443 i++; |
444 | |
507 | 445 continue; |
446 } | |
447 | |
509 | 448 name.data = &sc->source->data[i]; |
449 | |
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450 while (i < sc->source->len) { |
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451 |
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452 if (sc->source->data[i] == '$') { |
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453 break; |
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454 } |
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455 |
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456 if (sc->source->data[i] == '?') { |
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457 |
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458 sc->args = 1; |
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459 |
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460 if (sc->compile_args) { |
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461 break; |
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462 } |
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463 } |
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464 |
509 | 465 i++; |
466 name.len++; | |
467 } | |
468 | |
469 sc->size += name.len; | |
470 | |
2587
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471 if (ngx_http_script_add_copy_code(sc, &name, (i == sc->source->len)) |
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472 != NGX_OK) |
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473 { |
509 | 474 return NGX_ERROR; |
475 } | |
507 | 476 } |
477 | |
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478 return ngx_http_script_done(sc); |
509 | 479 |
480 invalid_variable: | |
481 | |
482 ngx_conf_log_error(NGX_LOG_EMERG, sc->cf, 0, "invalid variable name"); | |
483 | |
484 return NGX_ERROR; | |
99
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485 } |
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|
486 |
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487 |
623 | 488 u_char * |
489 ngx_http_script_run(ngx_http_request_t *r, ngx_str_t *value, | |
490 void *code_lengths, size_t len, void *code_values) | |
491 { | |
1152
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492 ngx_uint_t i; |
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493 ngx_http_script_code_pt code; |
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494 ngx_http_script_len_code_pt lcode; |
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495 ngx_http_script_engine_t e; |
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496 ngx_http_core_main_conf_t *cmcf; |
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|
497 |
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498 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); |
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499 |
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500 for (i = 0; i < cmcf->variables.nelts; i++) { |
1565 | 501 if (r->variables[i].no_cacheable) { |
1152
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502 r->variables[i].valid = 0; |
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|
503 r->variables[i].not_found = 0; |
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|
504 } |
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|
505 } |
623 | 506 |
507 ngx_memzero(&e, sizeof(ngx_http_script_engine_t)); | |
508 | |
509 e.ip = code_lengths; | |
510 e.request = r; | |
511 e.flushed = 1; | |
512 | |
513 while (*(uintptr_t *) e.ip) { | |
514 lcode = *(ngx_http_script_len_code_pt *) e.ip; | |
515 len += lcode(&e); | |
516 } | |
517 | |
518 | |
519 value->len = len; | |
2049 | 520 value->data = ngx_pnalloc(r->pool, len); |
623 | 521 if (value->data == NULL) { |
522 return NULL; | |
523 } | |
524 | |
525 e.ip = code_values; | |
526 e.pos = value->data; | |
527 | |
528 while (*(uintptr_t *) e.ip) { | |
529 code = *(ngx_http_script_code_pt *) e.ip; | |
530 code((ngx_http_script_engine_t *) &e); | |
531 } | |
532 | |
533 return e.pos; | |
534 } | |
535 | |
536 | |
573 | 537 void |
1565 | 538 ngx_http_script_flush_no_cacheable_variables(ngx_http_request_t *r, |
573 | 539 ngx_array_t *indices) |
540 { | |
541 ngx_uint_t n, *index; | |
542 | |
543 if (indices) { | |
544 index = indices->elts; | |
545 for (n = 0; n < indices->nelts; n++) { | |
1565 | 546 if (r->variables[index[n]].no_cacheable) { |
573 | 547 r->variables[index[n]].valid = 0; |
548 r->variables[index[n]].not_found = 0; | |
549 } | |
550 } | |
551 } | |
552 } | |
553 | |
554 | |
2577
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|
555 static ngx_int_t |
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556 ngx_http_script_init_arrays(ngx_http_script_compile_t *sc) |
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|
557 { |
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|
558 ngx_uint_t n; |
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diff
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|
559 |
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|
560 if (sc->flushes && *sc->flushes == NULL) { |
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561 n = sc->variables ? sc->variables : 1; |
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562 *sc->flushes = ngx_array_create(sc->cf->pool, n, sizeof(ngx_uint_t)); |
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|
563 if (*sc->flushes == NULL) { |
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|
564 return NGX_ERROR; |
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|
565 } |
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|
566 } |
2dcbcfc1a8d1
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changeset
|
567 |
2dcbcfc1a8d1
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changeset
|
568 if (*sc->lengths == NULL) { |
2dcbcfc1a8d1
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diff
changeset
|
569 n = sc->variables * (2 * sizeof(ngx_http_script_copy_code_t) |
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Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
570 + sizeof(ngx_http_script_var_code_t)) |
2dcbcfc1a8d1
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|
571 + sizeof(uintptr_t); |
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diff
changeset
|
572 |
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|
573 *sc->lengths = ngx_array_create(sc->cf->pool, n, 1); |
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|
574 if (*sc->lengths == NULL) { |
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|
575 return NGX_ERROR; |
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|
576 } |
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|
577 } |
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|
578 |
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diff
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|
579 if (*sc->values == NULL) { |
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diff
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|
580 n = (sc->variables * (2 * sizeof(ngx_http_script_copy_code_t) |
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|
581 + sizeof(ngx_http_script_var_code_t)) |
2dcbcfc1a8d1
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changeset
|
582 + sizeof(uintptr_t) |
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diff
changeset
|
583 + sc->source->len |
2dcbcfc1a8d1
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|
584 + sizeof(uintptr_t) - 1) |
2dcbcfc1a8d1
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diff
changeset
|
585 & ~(sizeof(uintptr_t) - 1); |
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diff
changeset
|
586 |
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changeset
|
587 *sc->values = ngx_array_create(sc->cf->pool, n, 1); |
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changeset
|
588 if (*sc->values == NULL) { |
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changeset
|
589 return NGX_ERROR; |
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|
590 } |
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diff
changeset
|
591 } |
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diff
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|
592 |
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changeset
|
593 sc->variables = 0; |
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Igor Sysoev <igor@sysoev.ru>
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changeset
|
594 |
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595 return NGX_OK; |
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596 } |
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597 |
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598 |
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599 static ngx_int_t |
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600 ngx_http_script_done(ngx_http_script_compile_t *sc) |
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601 { |
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602 ngx_str_t zero; |
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603 uintptr_t *code; |
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604 |
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605 if (sc->zero) { |
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606 |
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607 zero.len = 1; |
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608 zero.data = (u_char *) "\0"; |
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609 |
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610 if (ngx_http_script_add_copy_code(sc, &zero, 0) != NGX_OK) { |
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611 return NGX_ERROR; |
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612 } |
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613 } |
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614 |
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615 if (sc->conf_prefix || sc->root_prefix) { |
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616 if (ngx_http_script_add_full_name_code(sc) != NGX_OK) { |
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617 return NGX_ERROR; |
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618 } |
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619 } |
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620 |
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621 if (sc->complete_lengths) { |
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622 code = ngx_http_script_add_code(*sc->lengths, sizeof(uintptr_t), NULL); |
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623 if (code == NULL) { |
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624 return NGX_ERROR; |
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625 } |
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626 |
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627 *code = (uintptr_t) NULL; |
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628 } |
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629 |
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630 if (sc->complete_values) { |
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631 code = ngx_http_script_add_code(*sc->values, sizeof(uintptr_t), |
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632 &sc->main); |
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633 if (code == NULL) { |
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634 return NGX_ERROR; |
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635 } |
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636 |
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637 *code = (uintptr_t) NULL; |
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638 } |
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639 |
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640 return NGX_OK; |
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641 } |
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642 |
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643 |
509 | 644 void * |
507 | 645 ngx_http_script_start_code(ngx_pool_t *pool, ngx_array_t **codes, size_t size) |
479 | 646 { |
507 | 647 if (*codes == NULL) { |
648 *codes = ngx_array_create(pool, 256, 1); | |
649 if (*codes == NULL) { | |
650 return NULL; | |
651 } | |
652 } | |
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653 |
507 | 654 return ngx_array_push_n(*codes, size); |
655 } | |
656 | |
509 | 657 |
658 void * | |
659 ngx_http_script_add_code(ngx_array_t *codes, size_t size, void *code) | |
660 { | |
661 u_char *elts, **p; | |
662 void *new; | |
663 | |
664 elts = codes->elts; | |
665 | |
666 new = ngx_array_push_n(codes, size); | |
667 if (new == NULL) { | |
2911 | 668 return NULL; |
509 | 669 } |
670 | |
671 if (code) { | |
672 if (elts != codes->elts) { | |
673 p = code; | |
674 *p += (u_char *) codes->elts - elts; | |
675 } | |
676 } | |
677 | |
678 return new; | |
679 } | |
507 | 680 |
479 | 681 |
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682 static ngx_int_t |
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683 ngx_http_script_add_copy_code(ngx_http_script_compile_t *sc, ngx_str_t *value, |
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684 ngx_uint_t last) |
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685 { |
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686 u_char *p; |
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687 size_t size, len, zero; |
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688 ngx_http_script_copy_code_t *code; |
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689 |
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690 zero = (sc->zero && last); |
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691 len = value->len + zero; |
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692 |
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693 code = ngx_http_script_add_code(*sc->lengths, |
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694 sizeof(ngx_http_script_copy_code_t), NULL); |
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695 if (code == NULL) { |
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696 return NGX_ERROR; |
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697 } |
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698 |
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699 code->code = (ngx_http_script_code_pt) ngx_http_script_copy_len_code; |
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700 code->len = len; |
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701 |
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702 size = (sizeof(ngx_http_script_copy_code_t) + len + sizeof(uintptr_t) - 1) |
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703 & ~(sizeof(uintptr_t) - 1); |
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704 |
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705 code = ngx_http_script_add_code(*sc->values, size, &sc->main); |
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706 if (code == NULL) { |
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707 return NGX_ERROR; |
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708 } |
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709 |
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710 code->code = ngx_http_script_copy_code; |
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711 code->len = len; |
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712 |
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713 p = ngx_cpymem((u_char *) code + sizeof(ngx_http_script_copy_code_t), |
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714 value->data, value->len); |
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715 |
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716 if (zero) { |
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717 *p = '\0'; |
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718 sc->zero = 0; |
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719 } |
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720 |
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721 return NGX_OK; |
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722 } |
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723 |
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724 |
507 | 725 size_t |
509 | 726 ngx_http_script_copy_len_code(ngx_http_script_engine_t *e) |
507 | 727 { |
728 ngx_http_script_copy_code_t *code; | |
479 | 729 |
509 | 730 code = (ngx_http_script_copy_code_t *) e->ip; |
507 | 731 |
509 | 732 e->ip += sizeof(ngx_http_script_copy_code_t); |
507 | 733 |
734 return code->len; | |
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735 } |
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736 |
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737 |
507 | 738 void |
509 | 739 ngx_http_script_copy_code(ngx_http_script_engine_t *e) |
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740 { |
2393 | 741 u_char *p; |
507 | 742 ngx_http_script_copy_code_t *code; |
743 | |
509 | 744 code = (ngx_http_script_copy_code_t *) e->ip; |
745 | |
2393 | 746 p = e->pos; |
747 | |
509 | 748 if (!e->skip) { |
2393 | 749 e->pos = ngx_copy(p, e->ip + sizeof(ngx_http_script_copy_code_t), |
573 | 750 code->len); |
509 | 751 } |
507 | 752 |
509 | 753 e->ip += sizeof(ngx_http_script_copy_code_t) |
754 + ((code->len + sizeof(uintptr_t) - 1) & ~(sizeof(uintptr_t) - 1)); | |
507 | 755 |
2393 | 756 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, |
757 "http script copy: \"%*s\"", e->pos - p, p); | |
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758 } |
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759 |
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760 |
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761 static ngx_int_t |
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762 ngx_http_script_add_var_code(ngx_http_script_compile_t *sc, ngx_str_t *name) |
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763 { |
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764 ngx_int_t index, *p; |
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765 ngx_http_script_var_code_t *code; |
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766 |
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767 index = ngx_http_get_variable_index(sc->cf, name); |
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768 |
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769 if (index == NGX_ERROR) { |
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770 return NGX_ERROR; |
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771 } |
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772 |
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773 if (sc->flushes) { |
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774 p = ngx_array_push(*sc->flushes); |
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775 if (p == NULL) { |
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776 return NGX_ERROR; |
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777 } |
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778 |
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779 *p = index; |
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780 } |
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781 |
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782 code = ngx_http_script_add_code(*sc->lengths, |
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783 sizeof(ngx_http_script_var_code_t), NULL); |
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784 if (code == NULL) { |
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785 return NGX_ERROR; |
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786 } |
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787 |
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788 code->code = (ngx_http_script_code_pt) ngx_http_script_copy_var_len_code; |
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789 code->index = (uintptr_t) index; |
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790 |
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791 code = ngx_http_script_add_code(*sc->values, |
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792 sizeof(ngx_http_script_var_code_t), |
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793 &sc->main); |
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794 if (code == NULL) { |
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795 return NGX_ERROR; |
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796 } |
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797 |
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798 code->code = ngx_http_script_copy_var_code; |
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799 code->index = (uintptr_t) index; |
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800 |
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801 return NGX_OK; |
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802 } |
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803 |
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|
804 |
507 | 805 size_t |
509 | 806 ngx_http_script_copy_var_len_code(ngx_http_script_engine_t *e) |
99
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807 { |
507 | 808 ngx_http_variable_value_t *value; |
809 ngx_http_script_var_code_t *code; | |
810 | |
509 | 811 code = (ngx_http_script_var_code_t *) e->ip; |
507 | 812 |
509 | 813 e->ip += sizeof(ngx_http_script_var_code_t); |
507 | 814 |
573 | 815 if (e->flushed) { |
816 value = ngx_http_get_indexed_variable(e->request, code->index); | |
507 | 817 |
573 | 818 } else { |
819 value = ngx_http_get_flushed_variable(e->request, code->index); | |
820 } | |
821 | |
822 if (value && !value->not_found) { | |
823 return value->len; | |
507 | 824 } |
825 | |
553 | 826 return 0; |
99
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827 } |
479 | 828 |
829 | |
507 | 830 void |
509 | 831 ngx_http_script_copy_var_code(ngx_http_script_engine_t *e) |
479 | 832 { |
2393 | 833 u_char *p; |
507 | 834 ngx_http_variable_value_t *value; |
835 ngx_http_script_var_code_t *code; | |
836 | |
509 | 837 code = (ngx_http_script_var_code_t *) e->ip; |
838 | |
839 e->ip += sizeof(ngx_http_script_var_code_t); | |
840 | |
841 if (!e->skip) { | |
573 | 842 |
843 if (e->flushed) { | |
844 value = ngx_http_get_indexed_variable(e->request, code->index); | |
509 | 845 |
573 | 846 } else { |
847 value = ngx_http_get_flushed_variable(e->request, code->index); | |
848 } | |
849 | |
850 if (value && !value->not_found) { | |
2393 | 851 p = e->pos; |
852 e->pos = ngx_copy(p, value->data, value->len); | |
509 | 853 |
2393 | 854 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, |
845
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855 e->request->connection->log, 0, |
2393 | 856 "http script var: \"%*s\"", e->pos - p, p); |
509 | 857 } |
858 } | |
859 } | |
860 | |
861 | |
2577
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862 static ngx_int_t |
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863 ngx_http_script_add_args_code(ngx_http_script_compile_t *sc) |
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864 { |
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865 uintptr_t *code; |
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866 |
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867 code = ngx_http_script_add_code(*sc->lengths, sizeof(uintptr_t), NULL); |
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868 if (code == NULL) { |
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869 return NGX_ERROR; |
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870 } |
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871 |
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872 *code = (uintptr_t) ngx_http_script_mark_args_code; |
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873 |
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874 code = ngx_http_script_add_code(*sc->values, sizeof(uintptr_t), &sc->main); |
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875 if (code == NULL) { |
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876 return NGX_ERROR; |
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877 } |
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878 |
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879 *code = (uintptr_t) ngx_http_script_start_args_code; |
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880 |
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881 return NGX_OK; |
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882 } |
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883 |
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884 |
509 | 885 size_t |
1891
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886 ngx_http_script_mark_args_code(ngx_http_script_engine_t *e) |
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887 { |
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888 e->is_args = 1; |
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889 e->ip += sizeof(uintptr_t); |
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890 |
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|
891 return 1; |
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892 } |
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893 |
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894 |
509 | 895 void |
896 ngx_http_script_start_args_code(ngx_http_script_engine_t *e) | |
897 { | |
898 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
899 "http script args"); | |
577 | 900 |
2225
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901 e->is_args = 1; |
509 | 902 e->args = e->pos; |
903 e->ip += sizeof(uintptr_t); | |
904 } | |
905 | |
906 | |
517 | 907 #if (NGX_PCRE) |
908 | |
509 | 909 void |
910 ngx_http_script_regex_start_code(ngx_http_script_engine_t *e) | |
911 { | |
912 size_t len; | |
913 ngx_int_t rc; | |
914 ngx_uint_t n; | |
915 ngx_http_request_t *r; | |
916 ngx_http_script_engine_t le; | |
917 ngx_http_script_len_code_pt lcode; | |
918 ngx_http_script_regex_code_t *code; | |
919 | |
920 code = (ngx_http_script_regex_code_t *) e->ip; | |
921 | |
922 r = e->request; | |
923 | |
924 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
925 "http script regex: \"%V\"", &code->name); | |
926 | |
927 if (code->uri) { | |
515 | 928 e->line = r->uri; |
509 | 929 } else { |
930 e->sp--; | |
573 | 931 e->line.len = e->sp->len; |
932 e->line.data = e->sp->data; | |
509 | 933 } |
507 | 934 |
3325 | 935 rc = ngx_http_regex_exec(r, code->regex, &e->line); |
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936 |
3325 | 937 if (rc == NGX_DECLINED) { |
2397 | 938 if (e->log || (r->connection->log->log_level & NGX_LOG_DEBUG_HTTP)) { |
509 | 939 ngx_log_error(NGX_LOG_NOTICE, r->connection->log, 0, |
515 | 940 "\"%V\" does not match \"%V\"", |
941 &code->name, &e->line); | |
509 | 942 } |
943 | |
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944 r->ncaptures = 0; |
515 | 945 |
509 | 946 if (code->test) { |
631 | 947 if (code->negative_test) { |
948 e->sp->len = 1; | |
949 e->sp->data = (u_char *) "1"; | |
950 | |
951 } else { | |
952 e->sp->len = 0; | |
953 e->sp->data = (u_char *) ""; | |
954 } | |
955 | |
509 | 956 e->sp++; |
957 | |
958 e->ip += sizeof(ngx_http_script_regex_code_t); | |
959 return; | |
960 } | |
961 | |
962 e->ip += code->next; | |
963 return; | |
964 } | |
965 | |
3325 | 966 if (rc == NGX_ERROR) { |
509 | 967 e->ip = ngx_http_script_exit; |
968 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
969 return; | |
970 } | |
971 | |
2397 | 972 if (e->log || (r->connection->log->log_level & NGX_LOG_DEBUG_HTTP)) { |
509 | 973 ngx_log_error(NGX_LOG_NOTICE, r->connection->log, 0, |
515 | 974 "\"%V\" matches \"%V\"", &code->name, &e->line); |
509 | 975 } |
976 | |
977 if (code->test) { | |
631 | 978 if (code->negative_test) { |
979 e->sp->len = 0; | |
980 e->sp->data = (u_char *) ""; | |
981 | |
982 } else { | |
983 e->sp->len = 1; | |
984 e->sp->data = (u_char *) "1"; | |
985 } | |
986 | |
509 | 987 e->sp++; |
988 | |
989 e->ip += sizeof(ngx_http_script_regex_code_t); | |
990 return; | |
991 } | |
992 | |
993 if (code->status) { | |
994 e->status = code->status; | |
507 | 995 |
509 | 996 if (!code->redirect) { |
997 e->ip = ngx_http_script_exit; | |
998 return; | |
999 } | |
1000 } | |
1001 | |
1002 if (code->uri) { | |
1003 r->internal = 1; | |
1004 r->valid_unparsed_uri = 0; | |
1005 | |
1006 if (code->break_cycle) { | |
1007 r->valid_location = 0; | |
527 | 1008 r->uri_changed = 0; |
509 | 1009 |
1010 } else { | |
1011 r->uri_changed = 1; | |
1012 } | |
1013 } | |
1014 | |
1015 if (code->lengths == NULL) { | |
1016 e->buf.len = code->size; | |
1017 | |
1018 if (code->uri) { | |
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1019 if (r->ncaptures && (r->quoted_uri || r->plus_in_uri)) { |
509 | 1020 e->buf.len += 2 * ngx_escape_uri(NULL, r->uri.data, r->uri.len, |
1021 NGX_ESCAPE_ARGS); | |
1022 } | |
1023 } | |
1024 | |
3344
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|
1025 for (n = 2; n < r->ncaptures; n += 2) { |
1aed55182ea2
fix captures in "rewrite", the bug had been introduced in r3326
Igor Sysoev <igor@sysoev.ru>
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diff
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|
1026 e->buf.len += r->captures[n + 1] - r->captures[n]; |
509 | 1027 } |
1028 | |
1029 } else { | |
1030 ngx_memzero(&le, sizeof(ngx_http_script_engine_t)); | |
1031 | |
1032 le.ip = code->lengths->elts; | |
679 | 1033 le.line = e->line; |
509 | 1034 le.request = r; |
679 | 1035 le.quote = code->redirect; |
509 | 1036 |
1891
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length calculation did not take into account escaped symbols in arguments
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
1037 len = 0; |
509 | 1038 |
1039 while (*(uintptr_t *) le.ip) { | |
1040 lcode = *(ngx_http_script_len_code_pt *) le.ip; | |
1041 len += lcode(&le); | |
1042 } | |
1043 | |
1044 e->buf.len = len; | |
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diff
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|
1045 e->is_args = le.is_args; |
509 | 1046 } |
1047 | |
515 | 1048 if (code->add_args && r->args.len) { |
509 | 1049 e->buf.len += r->args.len + 1; |
1050 } | |
1051 | |
2049 | 1052 e->buf.data = ngx_pnalloc(r->pool, e->buf.len); |
509 | 1053 if (e->buf.data == NULL) { |
1054 e->ip = ngx_http_script_exit; | |
1055 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
507 | 1056 return; |
1057 } | |
1058 | |
509 | 1059 e->quote = code->redirect; |
1060 | |
1061 e->pos = e->buf.data; | |
1062 | |
1063 e->ip += sizeof(ngx_http_script_regex_code_t); | |
1064 } | |
1065 | |
1066 | |
1067 void | |
1068 ngx_http_script_regex_end_code(ngx_http_script_engine_t *e) | |
1069 { | |
577 | 1070 u_char *dst, *src; |
509 | 1071 ngx_http_request_t *r; |
1072 ngx_http_script_regex_end_code_t *code; | |
1073 | |
1074 code = (ngx_http_script_regex_end_code_t *) e->ip; | |
1075 | |
1076 r = e->request; | |
1077 | |
1078 e->quote = 0; | |
1079 | |
1080 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
1081 "http script regex end"); | |
1082 | |
1083 if (code->redirect) { | |
1084 | |
577 | 1085 dst = e->buf.data; |
1086 src = e->buf.data; | |
1087 | |
1593 | 1088 ngx_unescape_uri(&dst, &src, e->pos - e->buf.data, |
1089 NGX_UNESCAPE_REDIRECT); | |
577 | 1090 |
1091 if (src < e->pos) { | |
1092 dst = ngx_copy(dst, src, e->pos - src); | |
1093 } | |
1094 | |
1095 e->pos = dst; | |
1096 | |
1097 if (code->add_args && r->args.len) { | |
509 | 1098 *e->pos++ = (u_char) (code->args ? '&' : '?'); |
573 | 1099 e->pos = ngx_copy(e->pos, r->args.data, r->args.len); |
509 | 1100 } |
1101 | |
1102 e->buf.len = e->pos - e->buf.data; | |
1103 | |
2397 | 1104 if (e->log || (r->connection->log->log_level & NGX_LOG_DEBUG_HTTP)) { |
509 | 1105 ngx_log_error(NGX_LOG_NOTICE, r->connection->log, 0, |
1106 "rewritten redirect: \"%V\"", &e->buf); | |
1107 } | |
1108 | |
1109 r->headers_out.location = ngx_list_push(&r->headers_out.headers); | |
1110 if (r->headers_out.location == NULL) { | |
1111 e->ip = ngx_http_script_exit; | |
1112 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
1113 return; | |
1114 } | |
1115 | |
577 | 1116 r->headers_out.location->hash = 1; |
3516
dd1570b6f237
ngx_str_set() and ngx_str_null()
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diff
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|
1117 ngx_str_set(&r->headers_out.location->key, "Location"); |
509 | 1118 r->headers_out.location->value = e->buf; |
1119 | |
1120 e->ip += sizeof(ngx_http_script_regex_end_code_t); | |
1121 return; | |
1122 } | |
1123 | |
577 | 1124 if (e->args) { |
509 | 1125 e->buf.len = e->args - e->buf.data; |
1126 | |
1127 if (code->add_args && r->args.len) { | |
1128 *e->pos++ = '&'; | |
573 | 1129 e->pos = ngx_copy(e->pos, r->args.data, r->args.len); |
509 | 1130 } |
1131 | |
1132 r->args.len = e->pos - e->args; | |
1133 r->args.data = e->args; | |
1134 | |
1135 e->args = NULL; | |
1136 | |
1137 } else { | |
1138 e->buf.len = e->pos - e->buf.data; | |
673 | 1139 |
1140 if (!code->add_args) { | |
1141 r->args.len = 0; | |
1142 } | |
509 | 1143 } |
1144 | |
2397 | 1145 if (e->log || (r->connection->log->log_level & NGX_LOG_DEBUG_HTTP)) { |
509 | 1146 ngx_log_error(NGX_LOG_NOTICE, r->connection->log, 0, |
1147 "rewritten data: \"%V\", args: \"%V\"", | |
1148 &e->buf, &r->args); | |
1149 } | |
1150 | |
1151 if (code->uri) { | |
1152 r->uri = e->buf; | |
1153 | |
535 | 1154 if (r->uri.len == 0) { |
1155 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
1156 "the rewritten URI has a zero length"); | |
1157 e->ip = ngx_http_script_exit; | |
1158 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
1159 return; | |
1160 } | |
1161 | |
2979
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ngx_http_set_exten() is always successful since 0.3.46
Igor Sysoev <igor@sysoev.ru>
parents:
2911
diff
changeset
|
1162 ngx_http_set_exten(r); |
509 | 1163 } |
1164 | |
1165 e->ip += sizeof(ngx_http_script_regex_end_code_t); | |
1166 } | |
1167 | |
2547
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1168 |
2577
2dcbcfc1a8d1
split ngx_http_script_compile()
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|
1169 static ngx_int_t |
2dcbcfc1a8d1
split ngx_http_script_compile()
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1170 ngx_http_script_add_capture_code(ngx_http_script_compile_t *sc, ngx_uint_t n) |
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1171 { |
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|
1172 ngx_http_script_copy_capture_code_t *code; |
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split ngx_http_script_compile()
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|
1173 |
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|
1174 code = ngx_http_script_add_code(*sc->lengths, |
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split ngx_http_script_compile()
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|
1175 sizeof(ngx_http_script_copy_capture_code_t), |
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|
1176 NULL); |
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|
1177 if (code == NULL) { |
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|
1178 return NGX_ERROR; |
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|
1179 } |
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|
1180 |
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|
1181 code->code = (ngx_http_script_code_pt) |
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|
1182 ngx_http_script_copy_capture_len_code; |
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|
1183 code->n = 2 * n; |
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|
1184 |
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1185 |
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|
1186 code = ngx_http_script_add_code(*sc->values, |
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|
1187 sizeof(ngx_http_script_copy_capture_code_t), |
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|
1188 &sc->main); |
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|
1189 if (code == NULL) { |
2dcbcfc1a8d1
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|
1190 return NGX_ERROR; |
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|
1191 } |
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|
1192 |
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|
1193 code->code = ngx_http_script_copy_capture_code; |
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|
1194 code->n = 2 * n; |
2dcbcfc1a8d1
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|
1195 |
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|
1196 if (sc->ncaptures < n) { |
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|
1197 sc->ncaptures = n; |
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|
1198 } |
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|
1199 |
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|
1200 return NGX_OK; |
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|
1201 } |
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|
1202 |
2dcbcfc1a8d1
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|
1203 |
2547
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|
1204 size_t |
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|
1205 ngx_http_script_copy_capture_len_code(ngx_http_script_engine_t *e) |
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|
1206 { |
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|
1207 int *cap; |
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|
1208 u_char *p; |
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|
1209 ngx_uint_t n; |
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|
1210 ngx_http_request_t *r; |
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|
1211 ngx_http_script_copy_capture_code_t *code; |
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|
1212 |
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|
1213 r = e->request; |
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|
1214 |
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|
1215 code = (ngx_http_script_copy_capture_code_t *) e->ip; |
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|
1216 |
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|
1217 e->ip += sizeof(ngx_http_script_copy_capture_code_t); |
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|
1218 |
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|
1219 n = code->n; |
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|
1220 |
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|
1221 if (n < r->ncaptures) { |
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|
1222 |
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|
1223 cap = r->captures; |
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|
1224 |
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|
1225 if ((e->is_args || e->quote) |
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|
1226 && (e->request->quoted_uri || e->request->plus_in_uri)) |
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|
1227 { |
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|
1228 p = r->captures_data; |
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|
1229 |
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|
1230 return cap[n + 1] - cap[n] |
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|
1231 + 2 * ngx_escape_uri(NULL, &p[cap[n]], cap[n + 1] - cap[n], |
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|
1232 NGX_ESCAPE_ARGS); |
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|
1233 } else { |
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|
1234 return cap[n + 1] - cap[n]; |
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|
1235 } |
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|
1236 } |
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|
1237 |
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|
1238 return 0; |
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|
1239 } |
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|
1240 |
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|
1241 |
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|
1242 void |
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|
1243 ngx_http_script_copy_capture_code(ngx_http_script_engine_t *e) |
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|
1244 { |
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|
1245 int *cap; |
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|
1246 u_char *p, *pos; |
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|
1247 ngx_uint_t n; |
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|
1248 ngx_http_request_t *r; |
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|
1249 ngx_http_script_copy_capture_code_t *code; |
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|
1250 |
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|
1251 r = e->request; |
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|
1252 |
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changeset
|
1253 code = (ngx_http_script_copy_capture_code_t *) e->ip; |
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1254 |
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1255 e->ip += sizeof(ngx_http_script_copy_capture_code_t); |
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1256 |
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1257 n = code->n; |
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1258 |
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1259 pos = e->pos; |
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1260 |
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1261 if (n < r->ncaptures) { |
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1262 |
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1263 cap = r->captures; |
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1264 p = r->captures_data; |
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1265 |
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1266 if ((e->is_args || e->quote) |
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1267 && (e->request->quoted_uri || e->request->plus_in_uri)) |
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1268 { |
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1269 e->pos = (u_char *) ngx_escape_uri(pos, &p[cap[n]], |
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1270 cap[n + 1] - cap[n], |
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1271 NGX_ESCAPE_ARGS); |
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1272 } else { |
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1273 e->pos = ngx_copy(pos, &p[cap[n]], cap[n + 1] - cap[n]); |
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1274 } |
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1275 } |
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1276 |
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1277 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, |
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1278 "http script capture: \"%*s\"", e->pos - pos, pos); |
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1279 } |
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1280 |
517 | 1281 #endif |
1282 | |
509 | 1283 |
2587
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1284 static ngx_int_t |
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1285 ngx_http_script_add_full_name_code(ngx_http_script_compile_t *sc) |
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1286 { |
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1287 ngx_http_script_full_name_code_t *code; |
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1288 |
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1289 code = ngx_http_script_add_code(*sc->lengths, |
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1290 sizeof(ngx_http_script_full_name_code_t), |
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1291 NULL); |
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1292 if (code == NULL) { |
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1293 return NGX_ERROR; |
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1294 } |
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1295 |
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1296 code->code = (ngx_http_script_code_pt) ngx_http_script_full_name_len_code; |
2758 | 1297 code->conf_prefix = sc->conf_prefix; |
2587
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1298 |
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1299 code = ngx_http_script_add_code(*sc->values, |
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1300 sizeof(ngx_http_script_full_name_code_t), |
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1301 &sc->main); |
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1302 if (code == NULL) { |
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1303 return NGX_ERROR; |
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1304 } |
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1305 |
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1306 code->code = ngx_http_script_full_name_code; |
2758 | 1307 code->conf_prefix = sc->conf_prefix; |
2587
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1308 |
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1309 return NGX_OK; |
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1310 } |
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1311 |
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1312 |
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1313 static size_t |
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1314 ngx_http_script_full_name_len_code(ngx_http_script_engine_t *e) |
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1315 { |
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1316 ngx_http_script_full_name_code_t *code; |
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1317 |
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1318 code = (ngx_http_script_full_name_code_t *) e->ip; |
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1319 |
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1320 e->ip += sizeof(ngx_http_script_full_name_code_t); |
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1321 |
2758 | 1322 return code->conf_prefix ? ngx_cycle->conf_prefix.len: |
1323 ngx_cycle->prefix.len; | |
2587
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1324 } |
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1325 |
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1326 |
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1327 static void |
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1328 ngx_http_script_full_name_code(ngx_http_script_engine_t *e) |
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1329 { |
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1330 ngx_http_script_full_name_code_t *code; |
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1331 |
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1332 ngx_str_t value; |
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1333 |
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1334 code = (ngx_http_script_full_name_code_t *) e->ip; |
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1335 |
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1336 value.data = e->buf.data; |
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1337 value.len = e->pos - e->buf.data; |
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1338 |
2758 | 1339 if (ngx_conf_full_name((ngx_cycle_t *) ngx_cycle, &value, code->conf_prefix) |
2587
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1340 != NGX_OK) |
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1341 { |
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1342 e->ip = ngx_http_script_exit; |
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1343 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; |
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1344 return; |
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1345 } |
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1346 |
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1347 e->buf = value; |
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1348 |
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1349 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, |
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1350 "http script fullname: \"%V\"", &value); |
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1351 |
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1352 e->ip += sizeof(ngx_http_script_full_name_code_t); |
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1353 } |
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1354 |
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1355 |
509 | 1356 void |
1357 ngx_http_script_return_code(ngx_http_script_engine_t *e) | |
577 | 1358 { |
509 | 1359 ngx_http_script_return_code_t *code; |
577 | 1360 |
509 | 1361 code = (ngx_http_script_return_code_t *) e->ip; |
1362 | |
3633 | 1363 if (code->status < NGX_HTTP_BAD_REQUEST |
1364 || code->text.value.len | |
1365 || code->text.lengths) | |
1366 { | |
1367 e->status = ngx_http_send_response(e->request, code->status, NULL, | |
1368 &code->text); | |
1369 } else { | |
1370 e->status = code->status; | |
653 | 1371 } |
1372 | |
3633 | 1373 e->ip = ngx_http_script_exit; |
479 | 1374 } |
509 | 1375 |
1376 | |
1377 void | |
527 | 1378 ngx_http_script_break_code(ngx_http_script_engine_t *e) |
1379 { | |
1380 e->request->uri_changed = 0; | |
1381 | |
1382 e->ip = ngx_http_script_exit; | |
1383 } | |
1384 | |
1385 | |
1386 void | |
509 | 1387 ngx_http_script_if_code(ngx_http_script_engine_t *e) |
1388 { | |
1389 ngx_http_script_if_code_t *code; | |
1390 | |
1391 code = (ngx_http_script_if_code_t *) e->ip; | |
1392 | |
1393 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
1394 "http script if"); | |
1395 | |
1396 e->sp--; | |
1397 | |
573 | 1398 if (e->sp->len && e->sp->data[0] != '0') { |
509 | 1399 if (code->loc_conf) { |
1400 e->request->loc_conf = code->loc_conf; | |
535 | 1401 ngx_http_update_location_config(e->request); |
509 | 1402 } |
1403 | |
1404 e->ip += sizeof(ngx_http_script_if_code_t); | |
1405 return; | |
1406 } | |
1407 | |
1408 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
577 | 1409 "http script if: false"); |
509 | 1410 |
1411 e->ip += code->next; | |
1412 } | |
1413 | |
1414 | |
1415 void | |
577 | 1416 ngx_http_script_equal_code(ngx_http_script_engine_t *e) |
1417 { | |
1418 ngx_http_variable_value_t *val, *res; | |
1419 | |
1420 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
1421 "http script equal"); | |
1422 | |
1423 e->sp--; | |
1424 val = e->sp; | |
1425 res = e->sp - 1; | |
1426 | |
1427 e->ip += sizeof(uintptr_t); | |
1428 | |
2393 | 1429 if (val->len == res->len |
1430 && ngx_strncmp(val->data, res->data, res->len) == 0) | |
577 | 1431 { |
1432 *res = ngx_http_variable_true_value; | |
1433 return; | |
1434 } | |
1435 | |
1436 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
1437 "http script equal: no"); | |
1438 | |
1439 *res = ngx_http_variable_null_value; | |
1440 } | |
1441 | |
1442 | |
1443 void | |
1444 ngx_http_script_not_equal_code(ngx_http_script_engine_t *e) | |
1445 { | |
1446 ngx_http_variable_value_t *val, *res; | |
1447 | |
1448 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
1449 "http script not equal"); | |
1450 | |
1451 e->sp--; | |
1452 val = e->sp; | |
1453 res = e->sp - 1; | |
1454 | |
1455 e->ip += sizeof(uintptr_t); | |
1456 | |
2393 | 1457 if (val->len == res->len |
1458 && ngx_strncmp(val->data, res->data, res->len) == 0) | |
577 | 1459 { |
1460 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
1461 "http script not equal: no"); | |
1462 | |
1463 *res = ngx_http_variable_null_value; | |
1464 return; | |
1465 } | |
1466 | |
1467 *res = ngx_http_variable_true_value; | |
1468 } | |
1469 | |
1470 | |
1471 void | |
631 | 1472 ngx_http_script_file_code(ngx_http_script_engine_t *e) |
1473 { | |
1454 | 1474 ngx_str_t path; |
1475 ngx_http_request_t *r; | |
1476 ngx_open_file_info_t of; | |
1477 ngx_http_core_loc_conf_t *clcf; | |
631 | 1478 ngx_http_variable_value_t *value; |
1479 ngx_http_script_file_code_t *code; | |
1480 | |
1481 value = e->sp - 1; | |
1482 | |
1483 code = (ngx_http_script_file_code_t *) e->ip; | |
1484 e->ip += sizeof(ngx_http_script_file_code_t); | |
1485 | |
1454 | 1486 path.len = value->len - 1; |
1487 path.data = value->data; | |
1488 | |
1489 r = e->request; | |
1490 | |
1491 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
1492 "http script file op %p \"%V\"", code->op, &path); | |
1493 | |
1494 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
631 | 1495 |
2068
75a8d34459c5
ngx_memzero() ngx_open_file_info_t
Igor Sysoev <igor@sysoev.ru>
parents:
2063
diff
changeset
|
1496 ngx_memzero(&of, sizeof(ngx_open_file_info_t)); |
75a8d34459c5
ngx_memzero() ngx_open_file_info_t
Igor Sysoev <igor@sysoev.ru>
parents:
2063
diff
changeset
|
1497 |
3178 | 1498 of.read_ahead = clcf->read_ahead; |
2129 | 1499 of.directio = clcf->directio; |
1767
c42431762903
open_file_cache_retest > open_file_cache_valid
Igor Sysoev <igor@sysoev.ru>
parents:
1593
diff
changeset
|
1500 of.valid = clcf->open_file_cache_valid; |
1772 | 1501 of.min_uses = clcf->open_file_cache_min_uses; |
2756
09cab3f8d92e
*) of.test_only to not open file if only stat() is enough
Igor Sysoev <igor@sysoev.ru>
parents:
2609
diff
changeset
|
1502 of.test_only = 1; |
1454 | 1503 of.errors = clcf->open_file_cache_errors; |
1457 | 1504 of.events = clcf->open_file_cache_events; |
631 | 1505 |
1454 | 1506 if (ngx_open_cached_file(clcf->open_file_cache, &path, &of, r->pool) |
1799 | 1507 != NGX_OK) |
1454 | 1508 { |
3160
a7637c2c1157
low ENAMETOOLONG logging level
Igor Sysoev <igor@sysoev.ru>
parents:
2979
diff
changeset
|
1509 if (of.err != NGX_ENOENT |
a7637c2c1157
low ENAMETOOLONG logging level
Igor Sysoev <igor@sysoev.ru>
parents:
2979
diff
changeset
|
1510 && of.err != NGX_ENOTDIR |
a7637c2c1157
low ENAMETOOLONG logging level
Igor Sysoev <igor@sysoev.ru>
parents:
2979
diff
changeset
|
1511 && of.err != NGX_ENAMETOOLONG) |
a7637c2c1157
low ENAMETOOLONG logging level
Igor Sysoev <igor@sysoev.ru>
parents:
2979
diff
changeset
|
1512 { |
1454 | 1513 ngx_log_error(NGX_LOG_CRIT, r->connection->log, of.err, |
2756
09cab3f8d92e
*) of.test_only to not open file if only stat() is enough
Igor Sysoev <igor@sysoev.ru>
parents:
2609
diff
changeset
|
1514 "%s \"%s\" failed", of.failed, value->data); |
631 | 1515 } |
1516 | |
1517 switch (code->op) { | |
671 | 1518 |
631 | 1519 case ngx_http_script_file_plain: |
669 | 1520 case ngx_http_script_file_dir: |
1521 case ngx_http_script_file_exists: | |
1522 case ngx_http_script_file_exec: | |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1523 goto false_value; |
671 | 1524 |
631 | 1525 case ngx_http_script_file_not_plain: |
669 | 1526 case ngx_http_script_file_not_dir: |
671 | 1527 case ngx_http_script_file_not_exists: |
669 | 1528 case ngx_http_script_file_not_exec: |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1529 goto true_value; |
631 | 1530 } |
1531 | |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1532 goto false_value; |
631 | 1533 } |
1534 | |
1535 switch (code->op) { | |
1536 case ngx_http_script_file_plain: | |
1454 | 1537 if (of.is_file) { |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1538 goto true_value; |
631 | 1539 } |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1540 goto false_value; |
631 | 1541 |
1542 case ngx_http_script_file_not_plain: | |
1454 | 1543 if (of.is_file) { |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1544 goto false_value; |
631 | 1545 } |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1546 goto true_value; |
669 | 1547 |
1548 case ngx_http_script_file_dir: | |
1454 | 1549 if (of.is_dir) { |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1550 goto true_value; |
669 | 1551 } |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1552 goto false_value; |
669 | 1553 |
1554 case ngx_http_script_file_not_dir: | |
1454 | 1555 if (of.is_dir) { |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1556 goto false_value; |
669 | 1557 } |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1558 goto true_value; |
669 | 1559 |
1560 case ngx_http_script_file_exists: | |
1454 | 1561 if (of.is_file || of.is_dir || of.is_link) { |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1562 goto true_value; |
669 | 1563 } |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1564 goto false_value; |
669 | 1565 |
1566 case ngx_http_script_file_not_exists: | |
1454 | 1567 if (of.is_file || of.is_dir || of.is_link) { |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1568 goto false_value; |
669 | 1569 } |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1570 goto true_value; |
669 | 1571 |
1572 case ngx_http_script_file_exec: | |
1454 | 1573 if (of.is_exec) { |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1574 goto true_value; |
669 | 1575 } |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1576 goto false_value; |
669 | 1577 |
1578 case ngx_http_script_file_not_exec: | |
1454 | 1579 if (of.is_exec) { |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1580 goto false_value; |
669 | 1581 } |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1582 goto true_value; |
631 | 1583 } |
1584 | |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1585 false_value: |
631 | 1586 |
1454 | 1587 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
631 | 1588 "http script file op false"); |
1589 | |
1590 *value = ngx_http_variable_null_value; | |
1591 return; | |
1592 | |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1593 true_value: |
631 | 1594 |
1595 *value = ngx_http_variable_true_value; | |
1596 return; | |
1597 } | |
1598 | |
1599 | |
1600 void | |
515 | 1601 ngx_http_script_complex_value_code(ngx_http_script_engine_t *e) |
1602 { | |
1603 size_t len; | |
1604 ngx_http_script_engine_t le; | |
1605 ngx_http_script_len_code_pt lcode; | |
1606 ngx_http_script_complex_value_code_t *code; | |
1607 | |
1608 code = (ngx_http_script_complex_value_code_t *) e->ip; | |
1609 | |
1610 e->ip += sizeof(ngx_http_script_complex_value_code_t); | |
1611 | |
1612 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
1613 "http script complex value"); | |
1614 | |
1615 ngx_memzero(&le, sizeof(ngx_http_script_engine_t)); | |
1616 | |
1617 le.ip = code->lengths->elts; | |
655 | 1618 le.line = e->line; |
515 | 1619 le.request = e->request; |
655 | 1620 le.quote = e->quote; |
515 | 1621 |
1622 for (len = 0; *(uintptr_t *) le.ip; len += lcode(&le)) { | |
1623 lcode = *(ngx_http_script_len_code_pt *) le.ip; | |
1624 } | |
1625 | |
1626 e->buf.len = len; | |
2049 | 1627 e->buf.data = ngx_pnalloc(e->request->pool, len); |
515 | 1628 if (e->buf.data == NULL) { |
1629 e->ip = ngx_http_script_exit; | |
1630 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
1631 return; | |
1632 } | |
1633 | |
1634 e->pos = e->buf.data; | |
1635 | |
577 | 1636 e->sp->len = e->buf.len; |
573 | 1637 e->sp->data = e->buf.data; |
515 | 1638 e->sp++; |
1639 } | |
1640 | |
1641 | |
1642 void | |
509 | 1643 ngx_http_script_value_code(ngx_http_script_engine_t *e) |
1644 { | |
1645 ngx_http_script_value_code_t *code; | |
1646 | |
1647 code = (ngx_http_script_value_code_t *) e->ip; | |
1648 | |
1649 e->ip += sizeof(ngx_http_script_value_code_t); | |
1650 | |
573 | 1651 e->sp->len = code->text_len; |
1652 e->sp->data = (u_char *) code->text_data; | |
577 | 1653 |
1654 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
1561 | 1655 "http script value: \"%v\"", e->sp); |
577 | 1656 |
509 | 1657 e->sp++; |
1658 } | |
1659 | |
1660 | |
1661 void | |
1662 ngx_http_script_set_var_code(ngx_http_script_engine_t *e) | |
1663 { | |
1664 ngx_http_request_t *r; | |
1665 ngx_http_script_var_code_t *code; | |
1666 | |
1667 code = (ngx_http_script_var_code_t *) e->ip; | |
1668 | |
1669 e->ip += sizeof(ngx_http_script_var_code_t); | |
1670 | |
1671 r = e->request; | |
1672 | |
1673 e->sp--; | |
1674 | |
573 | 1675 r->variables[code->index].len = e->sp->len; |
1676 r->variables[code->index].valid = 1; | |
1565 | 1677 r->variables[code->index].no_cacheable = 0; |
573 | 1678 r->variables[code->index].not_found = 0; |
1679 r->variables[code->index].data = e->sp->data; | |
2393 | 1680 |
1681 #if (NGX_DEBUG) | |
1682 { | |
1683 ngx_http_variable_t *v; | |
1684 ngx_http_core_main_conf_t *cmcf; | |
1685 | |
1686 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); | |
1687 | |
1688 v = cmcf->variables.elts; | |
1689 | |
1690 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
1691 "http script set $%V", &v[code->index].name); | |
1692 } | |
1693 #endif | |
509 | 1694 } |
1695 | |
1696 | |
1697 void | |
637 | 1698 ngx_http_script_var_set_handler_code(ngx_http_script_engine_t *e) |
1699 { | |
1700 ngx_http_script_var_handler_code_t *code; | |
1701 | |
1702 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
1703 "http script set var handler"); | |
1704 | |
1705 code = (ngx_http_script_var_handler_code_t *) e->ip; | |
1706 | |
1707 e->ip += sizeof(ngx_http_script_var_handler_code_t); | |
1708 | |
1709 e->sp--; | |
1710 | |
1711 code->handler(e->request, e->sp, code->data); | |
1712 } | |
1713 | |
1714 | |
1715 void | |
509 | 1716 ngx_http_script_var_code(ngx_http_script_engine_t *e) |
1717 { | |
1718 ngx_http_variable_value_t *value; | |
1719 ngx_http_script_var_code_t *code; | |
1720 | |
1721 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
1722 "http script var"); | |
1723 | |
1724 code = (ngx_http_script_var_code_t *) e->ip; | |
1725 | |
1726 e->ip += sizeof(ngx_http_script_var_code_t); | |
1727 | |
573 | 1728 value = ngx_http_get_flushed_variable(e->request, code->index); |
509 | 1729 |
573 | 1730 if (value && !value->not_found) { |
1731 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
1406
03341711f9a2
use %v for ngx_variable_value_t in ngx_sprintf(),
Igor Sysoev <igor@sysoev.ru>
parents:
1152
diff
changeset
|
1732 "http script var: \"%v\"", value); |
573 | 1733 |
553 | 1734 *e->sp = *value; |
509 | 1735 e->sp++; |
1736 | |
1737 return; | |
1738 } | |
1739 | |
577 | 1740 *e->sp = ngx_http_variable_null_value; |
509 | 1741 e->sp++; |
1742 } | |
1743 | |
1744 | |
1745 void | |
1746 ngx_http_script_nop_code(ngx_http_script_engine_t *e) | |
1747 { | |
1748 e->ip += sizeof(uintptr_t); | |
1749 } |