Mercurial > hg > nginx
annotate src/http/ngx_http_script.c @ 5799:b1f8285297a7
Access log: allowed logs to syslog with "if=" (ticket #596).
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Wed, 06 Aug 2014 00:22:36 +0400 |
parents | 4bfa982dbf0e |
children | 2cd019520210 |
rev | line source |
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
4412 | 4 * Copyright (C) Nginx, Inc. |
441
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5 */ |
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7 |
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8 #include <ngx_config.h> |
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9 #include <ngx_core.h> |
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10 #include <ngx_http.h> |
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11 |
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12 |
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13 static ngx_int_t ngx_http_script_init_arrays(ngx_http_script_compile_t *sc); |
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14 static ngx_int_t ngx_http_script_done(ngx_http_script_compile_t *sc); |
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15 static ngx_int_t ngx_http_script_add_copy_code(ngx_http_script_compile_t *sc, |
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16 ngx_str_t *value, ngx_uint_t last); |
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17 static ngx_int_t ngx_http_script_add_var_code(ngx_http_script_compile_t *sc, |
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18 ngx_str_t *name); |
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19 static ngx_int_t ngx_http_script_add_args_code(ngx_http_script_compile_t *sc); |
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20 #if (NGX_PCRE) |
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21 static ngx_int_t ngx_http_script_add_capture_code(ngx_http_script_compile_t *sc, |
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22 ngx_uint_t n); |
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23 #endif |
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24 static ngx_int_t |
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25 ngx_http_script_add_full_name_code(ngx_http_script_compile_t *sc); |
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26 static size_t ngx_http_script_full_name_len_code(ngx_http_script_engine_t *e); |
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27 static void ngx_http_script_full_name_code(ngx_http_script_engine_t *e); |
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28 |
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29 |
509 | 30 #define ngx_http_script_exit (u_char *) &ngx_http_script_exit_code |
31 | |
32 static uintptr_t ngx_http_script_exit_code = (uintptr_t) NULL; | |
33 | |
34 | |
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35 void |
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36 ngx_http_script_flush_complex_value(ngx_http_request_t *r, |
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37 ngx_http_complex_value_t *val) |
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38 { |
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39 ngx_uint_t *index; |
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40 |
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41 index = val->flushes; |
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42 |
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43 if (index) { |
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44 while (*index != (ngx_uint_t) -1) { |
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45 |
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46 if (r->variables[*index].no_cacheable) { |
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47 r->variables[*index].valid = 0; |
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48 r->variables[*index].not_found = 0; |
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49 } |
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50 |
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51 index++; |
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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 |
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57 ngx_int_t |
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58 ngx_http_complex_value(ngx_http_request_t *r, ngx_http_complex_value_t *val, |
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59 ngx_str_t *value) |
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60 { |
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61 size_t len; |
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62 ngx_http_script_code_pt code; |
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63 ngx_http_script_len_code_pt lcode; |
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64 ngx_http_script_engine_t e; |
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65 |
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66 if (val->lengths == NULL) { |
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67 *value = val->value; |
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68 return NGX_OK; |
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69 } |
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70 |
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71 ngx_http_script_flush_complex_value(r, val); |
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72 |
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73 ngx_memzero(&e, sizeof(ngx_http_script_engine_t)); |
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74 |
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75 e.ip = val->lengths; |
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76 e.request = r; |
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77 e.flushed = 1; |
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78 |
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79 len = 0; |
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80 |
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81 while (*(uintptr_t *) e.ip) { |
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82 lcode = *(ngx_http_script_len_code_pt *) e.ip; |
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83 len += lcode(&e); |
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84 } |
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85 |
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86 value->len = len; |
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87 value->data = ngx_pnalloc(r->pool, len); |
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88 if (value->data == NULL) { |
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89 return NGX_ERROR; |
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90 } |
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91 |
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92 e.ip = val->values; |
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93 e.pos = value->data; |
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94 e.buf = *value; |
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95 |
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96 while (*(uintptr_t *) e.ip) { |
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97 code = *(ngx_http_script_code_pt *) e.ip; |
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98 code((ngx_http_script_engine_t *) &e); |
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99 } |
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100 |
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101 *value = e.buf; |
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102 |
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103 return NGX_OK; |
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104 } |
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105 |
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106 |
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107 ngx_int_t |
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108 ngx_http_compile_complex_value(ngx_http_compile_complex_value_t *ccv) |
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109 { |
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110 ngx_str_t *v; |
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111 ngx_uint_t i, n, nv, nc; |
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112 ngx_array_t flushes, lengths, values, *pf, *pl, *pv; |
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113 ngx_http_script_compile_t sc; |
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114 |
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115 v = ccv->value; |
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116 |
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117 nv = 0; |
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118 nc = 0; |
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119 |
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120 for (i = 0; i < v->len; i++) { |
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121 if (v->data[i] == '$') { |
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122 if (v->data[i + 1] >= '1' && v->data[i + 1] <= '9') { |
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123 nc++; |
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124 |
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125 } else { |
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126 nv++; |
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127 } |
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128 } |
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129 } |
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130 |
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131 if ((v->len == 0 || v->data[0] != '$') |
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132 && (ccv->conf_prefix || ccv->root_prefix)) |
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133 { |
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134 if (ngx_conf_full_name(ccv->cf->cycle, v, ccv->conf_prefix) != NGX_OK) { |
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135 return NGX_ERROR; |
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136 } |
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137 |
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138 ccv->conf_prefix = 0; |
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139 ccv->root_prefix = 0; |
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140 } |
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141 |
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142 ccv->complex_value->value = *v; |
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143 ccv->complex_value->flushes = NULL; |
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144 ccv->complex_value->lengths = NULL; |
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145 ccv->complex_value->values = NULL; |
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146 |
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147 if (nv == 0 && nc == 0) { |
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148 return NGX_OK; |
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149 } |
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150 |
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151 n = nv + 1; |
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152 |
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153 if (ngx_array_init(&flushes, ccv->cf->pool, n, sizeof(ngx_uint_t)) |
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154 != NGX_OK) |
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155 { |
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156 return NGX_ERROR; |
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157 } |
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158 |
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159 n = nv * (2 * sizeof(ngx_http_script_copy_code_t) |
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160 + sizeof(ngx_http_script_var_code_t)) |
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161 + sizeof(uintptr_t); |
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162 |
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163 if (ngx_array_init(&lengths, ccv->cf->pool, n, 1) != NGX_OK) { |
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164 return NGX_ERROR; |
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165 } |
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166 |
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167 n = (nv * (2 * sizeof(ngx_http_script_copy_code_t) |
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168 + sizeof(ngx_http_script_var_code_t)) |
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169 + sizeof(uintptr_t) |
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170 + v->len |
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171 + sizeof(uintptr_t) - 1) |
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172 & ~(sizeof(uintptr_t) - 1); |
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173 |
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174 if (ngx_array_init(&values, ccv->cf->pool, n, 1) != NGX_OK) { |
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175 return NGX_ERROR; |
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176 } |
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177 |
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178 pf = &flushes; |
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179 pl = &lengths; |
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180 pv = &values; |
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181 |
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182 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); |
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183 |
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184 sc.cf = ccv->cf; |
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185 sc.source = v; |
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186 sc.flushes = &pf; |
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187 sc.lengths = &pl; |
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188 sc.values = &pv; |
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189 sc.complete_lengths = 1; |
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190 sc.complete_values = 1; |
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191 sc.zero = ccv->zero; |
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192 sc.conf_prefix = ccv->conf_prefix; |
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193 sc.root_prefix = ccv->root_prefix; |
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194 |
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195 if (ngx_http_script_compile(&sc) != NGX_OK) { |
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196 return NGX_ERROR; |
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197 } |
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198 |
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199 if (flushes.nelts) { |
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200 ccv->complex_value->flushes = flushes.elts; |
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201 ccv->complex_value->flushes[flushes.nelts] = (ngx_uint_t) -1; |
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202 } |
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203 |
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204 ccv->complex_value->lengths = lengths.elts; |
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205 ccv->complex_value->values = values.elts; |
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206 |
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207 return NGX_OK; |
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208 } |
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209 |
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210 |
3756
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211 char * |
3761 | 212 ngx_http_set_complex_value_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
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213 { |
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214 char *p = conf; |
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215 |
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216 ngx_str_t *value; |
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217 ngx_http_complex_value_t **cv; |
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218 ngx_http_compile_complex_value_t ccv; |
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219 |
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220 cv = (ngx_http_complex_value_t **) (p + cmd->offset); |
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221 |
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222 if (*cv != NULL) { |
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223 return "duplicate"; |
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224 } |
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225 |
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226 *cv = ngx_palloc(cf->pool, sizeof(ngx_http_complex_value_t)); |
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227 if (*cv == NULL) { |
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228 return NGX_CONF_ERROR; |
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229 } |
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230 |
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231 value = cf->args->elts; |
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232 |
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233 ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t)); |
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234 |
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235 ccv.cf = cf; |
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236 ccv.value = &value[1]; |
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237 ccv.complex_value = *cv; |
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238 |
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239 if (ngx_http_compile_complex_value(&ccv) != NGX_OK) { |
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240 return NGX_CONF_ERROR; |
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241 } |
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242 |
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243 return NGX_CONF_OK; |
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244 } |
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245 |
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246 |
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247 ngx_int_t |
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248 ngx_http_test_predicates(ngx_http_request_t *r, ngx_array_t *predicates) |
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249 { |
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250 ngx_str_t val; |
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251 ngx_uint_t i; |
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252 ngx_http_complex_value_t *cv; |
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253 |
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254 if (predicates == NULL) { |
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255 return NGX_OK; |
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256 } |
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257 |
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258 cv = predicates->elts; |
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259 |
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260 for (i = 0; i < predicates->nelts; i++) { |
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261 if (ngx_http_complex_value(r, &cv[i], &val) != NGX_OK) { |
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262 return NGX_ERROR; |
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263 } |
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264 |
3893
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265 if (val.len && (val.len != 1 || val.data[0] != '0')) { |
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266 return NGX_DECLINED; |
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267 } |
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268 } |
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269 |
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270 return NGX_OK; |
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271 } |
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272 |
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273 |
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274 char * |
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275 ngx_http_set_predicate_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
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276 { |
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277 char *p = conf; |
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278 |
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279 ngx_str_t *value; |
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280 ngx_uint_t i; |
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281 ngx_array_t **a; |
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282 ngx_http_complex_value_t *cv; |
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283 ngx_http_compile_complex_value_t ccv; |
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284 |
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285 a = (ngx_array_t **) (p + cmd->offset); |
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286 |
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287 if (*a == NGX_CONF_UNSET_PTR) { |
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288 *a = ngx_array_create(cf->pool, 1, sizeof(ngx_http_complex_value_t)); |
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289 if (*a == NULL) { |
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290 return NGX_CONF_ERROR; |
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291 } |
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292 } |
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293 |
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294 value = cf->args->elts; |
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295 |
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296 for (i = 1; i < cf->args->nelts; i++) { |
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297 cv = ngx_array_push(*a); |
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298 if (cv == NULL) { |
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299 return NGX_CONF_ERROR; |
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300 } |
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301 |
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302 ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t)); |
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303 |
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304 ccv.cf = cf; |
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305 ccv.value = &value[i]; |
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306 ccv.complex_value = cv; |
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307 |
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308 if (ngx_http_compile_complex_value(&ccv) != NGX_OK) { |
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309 return NGX_CONF_ERROR; |
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310 } |
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311 } |
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312 |
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313 return NGX_CONF_OK; |
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314 } |
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315 |
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316 |
509 | 317 ngx_uint_t |
318 ngx_http_script_variables_count(ngx_str_t *value) | |
99
a059e1aa65d4
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319 { |
509 | 320 ngx_uint_t i, n; |
507 | 321 |
509 | 322 for (n = 0, i = 0; i < value->len; i++) { |
323 if (value->data[i] == '$') { | |
324 n++; | |
325 } | |
507 | 326 } |
327 | |
509 | 328 return n; |
329 } | |
330 | |
331 | |
332 ngx_int_t | |
333 ngx_http_script_compile(ngx_http_script_compile_t *sc) | |
334 { | |
2577
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335 u_char ch; |
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336 ngx_str_t name; |
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337 ngx_uint_t i, bracket; |
573 | 338 |
2577
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339 if (ngx_http_script_init_arrays(sc) != NGX_OK) { |
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340 return NGX_ERROR; |
509 | 341 } |
342 | |
343 for (i = 0; i < sc->source->len; /* void */ ) { | |
344 | |
345 name.len = 0; | |
346 | |
347 if (sc->source->data[i] == '$') { | |
348 | |
349 if (++i == sc->source->len) { | |
350 goto invalid_variable; | |
351 } | |
352 | |
2547
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353 #if (NGX_PCRE) |
2577
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354 { |
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|
355 ngx_uint_t n; |
2547
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356 |
509 | 357 if (sc->source->data[i] >= '1' && sc->source->data[i] <= '9') { |
358 | |
641 | 359 n = sc->source->data[i] - '0'; |
360 | |
361 if (sc->captures_mask & (1 << n)) { | |
362 sc->dup_capture = 1; | |
363 } | |
364 | |
365 sc->captures_mask |= 1 << n; | |
366 | |
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367 if (ngx_http_script_add_capture_code(sc, n) != NGX_OK) { |
509 | 368 return NGX_ERROR; |
369 } | |
370 | |
371 i++; | |
372 | |
373 continue; | |
374 } | |
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375 } |
2547
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376 #endif |
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377 |
509 | 378 if (sc->source->data[i] == '{') { |
379 bracket = 1; | |
380 | |
381 if (++i == sc->source->len) { | |
382 goto invalid_variable; | |
383 } | |
384 | |
385 name.data = &sc->source->data[i]; | |
386 | |
387 } else { | |
388 bracket = 0; | |
389 name.data = &sc->source->data[i]; | |
390 } | |
391 | |
392 for ( /* void */ ; i < sc->source->len; i++, name.len++) { | |
393 ch = sc->source->data[i]; | |
507 | 394 |
509 | 395 if (ch == '}' && bracket) { |
396 i++; | |
397 bracket = 0; | |
398 break; | |
399 } | |
400 | |
401 if ((ch >= 'A' && ch <= 'Z') | |
402 || (ch >= 'a' && ch <= 'z') | |
403 || (ch >= '0' && ch <= '9') | |
404 || ch == '_') | |
405 { | |
406 continue; | |
407 } | |
408 | |
409 break; | |
410 } | |
411 | |
412 if (bracket) { | |
413 ngx_conf_log_error(NGX_LOG_EMERG, sc->cf, 0, | |
414 "the closing bracket in \"%V\" " | |
415 "variable is missing", &name); | |
507 | 416 return NGX_ERROR; |
417 } | |
418 | |
509 | 419 if (name.len == 0) { |
420 goto invalid_variable; | |
421 } | |
507 | 422 |
509 | 423 sc->variables++; |
507 | 424 |
2577
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425 if (ngx_http_script_add_var_code(sc, &name) != NGX_OK) { |
507 | 426 return NGX_ERROR; |
427 } | |
99
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428 |
509 | 429 continue; |
430 } | |
507 | 431 |
509 | 432 if (sc->source->data[i] == '?' && sc->compile_args) { |
433 sc->args = 1; | |
434 sc->compile_args = 0; | |
99
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435 |
2577
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436 if (ngx_http_script_add_args_code(sc) != NGX_OK) { |
1891
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437 return NGX_ERROR; |
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438 } |
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439 |
509 | 440 i++; |
441 | |
507 | 442 continue; |
443 } | |
444 | |
509 | 445 name.data = &sc->source->data[i]; |
446 | |
2498
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447 while (i < sc->source->len) { |
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448 |
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449 if (sc->source->data[i] == '$') { |
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450 break; |
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451 } |
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452 |
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453 if (sc->source->data[i] == '?') { |
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454 |
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455 sc->args = 1; |
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456 |
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457 if (sc->compile_args) { |
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458 break; |
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459 } |
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460 } |
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461 |
509 | 462 i++; |
463 name.len++; | |
464 } | |
465 | |
466 sc->size += name.len; | |
467 | |
2587
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468 if (ngx_http_script_add_copy_code(sc, &name, (i == sc->source->len)) |
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469 != NGX_OK) |
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470 { |
509 | 471 return NGX_ERROR; |
472 } | |
507 | 473 } |
474 | |
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475 return ngx_http_script_done(sc); |
509 | 476 |
477 invalid_variable: | |
478 | |
479 ngx_conf_log_error(NGX_LOG_EMERG, sc->cf, 0, "invalid variable name"); | |
480 | |
481 return NGX_ERROR; | |
99
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482 } |
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483 |
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484 |
623 | 485 u_char * |
486 ngx_http_script_run(ngx_http_request_t *r, ngx_str_t *value, | |
487 void *code_lengths, size_t len, void *code_values) | |
488 { | |
1152
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489 ngx_uint_t i; |
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490 ngx_http_script_code_pt code; |
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491 ngx_http_script_len_code_pt lcode; |
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492 ngx_http_script_engine_t e; |
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493 ngx_http_core_main_conf_t *cmcf; |
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494 |
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495 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); |
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496 |
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497 for (i = 0; i < cmcf->variables.nelts; i++) { |
1565 | 498 if (r->variables[i].no_cacheable) { |
1152
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499 r->variables[i].valid = 0; |
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500 r->variables[i].not_found = 0; |
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501 } |
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|
502 } |
623 | 503 |
504 ngx_memzero(&e, sizeof(ngx_http_script_engine_t)); | |
505 | |
506 e.ip = code_lengths; | |
507 e.request = r; | |
508 e.flushed = 1; | |
509 | |
510 while (*(uintptr_t *) e.ip) { | |
511 lcode = *(ngx_http_script_len_code_pt *) e.ip; | |
512 len += lcode(&e); | |
513 } | |
514 | |
515 | |
516 value->len = len; | |
2049 | 517 value->data = ngx_pnalloc(r->pool, len); |
623 | 518 if (value->data == NULL) { |
519 return NULL; | |
520 } | |
521 | |
522 e.ip = code_values; | |
523 e.pos = value->data; | |
524 | |
525 while (*(uintptr_t *) e.ip) { | |
526 code = *(ngx_http_script_code_pt *) e.ip; | |
527 code((ngx_http_script_engine_t *) &e); | |
528 } | |
529 | |
530 return e.pos; | |
531 } | |
532 | |
533 | |
573 | 534 void |
1565 | 535 ngx_http_script_flush_no_cacheable_variables(ngx_http_request_t *r, |
573 | 536 ngx_array_t *indices) |
537 { | |
538 ngx_uint_t n, *index; | |
539 | |
540 if (indices) { | |
541 index = indices->elts; | |
542 for (n = 0; n < indices->nelts; n++) { | |
1565 | 543 if (r->variables[index[n]].no_cacheable) { |
573 | 544 r->variables[index[n]].valid = 0; |
545 r->variables[index[n]].not_found = 0; | |
546 } | |
547 } | |
548 } | |
549 } | |
550 | |
551 | |
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|
552 static ngx_int_t |
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553 ngx_http_script_init_arrays(ngx_http_script_compile_t *sc) |
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554 { |
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|
555 ngx_uint_t n; |
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|
556 |
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557 if (sc->flushes && *sc->flushes == NULL) { |
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558 n = sc->variables ? sc->variables : 1; |
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559 *sc->flushes = ngx_array_create(sc->cf->pool, n, sizeof(ngx_uint_t)); |
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|
560 if (*sc->flushes == NULL) { |
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561 return NGX_ERROR; |
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562 } |
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|
563 } |
2dcbcfc1a8d1
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|
564 |
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|
565 if (*sc->lengths == NULL) { |
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diff
changeset
|
566 n = sc->variables * (2 * sizeof(ngx_http_script_copy_code_t) |
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|
567 + sizeof(ngx_http_script_var_code_t)) |
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changeset
|
568 + sizeof(uintptr_t); |
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|
569 |
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|
570 *sc->lengths = ngx_array_create(sc->cf->pool, n, 1); |
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571 if (*sc->lengths == NULL) { |
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572 return NGX_ERROR; |
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573 } |
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|
574 } |
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|
575 |
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|
576 if (*sc->values == NULL) { |
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|
577 n = (sc->variables * (2 * sizeof(ngx_http_script_copy_code_t) |
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|
578 + sizeof(ngx_http_script_var_code_t)) |
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|
579 + sizeof(uintptr_t) |
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|
580 + sc->source->len |
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|
581 + sizeof(uintptr_t) - 1) |
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|
582 & ~(sizeof(uintptr_t) - 1); |
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|
583 |
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|
584 *sc->values = ngx_array_create(sc->cf->pool, n, 1); |
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|
585 if (*sc->values == NULL) { |
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586 return NGX_ERROR; |
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587 } |
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|
588 } |
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|
589 |
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|
590 sc->variables = 0; |
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|
591 |
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592 return NGX_OK; |
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593 } |
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|
594 |
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|
595 |
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596 static ngx_int_t |
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597 ngx_http_script_done(ngx_http_script_compile_t *sc) |
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598 { |
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599 ngx_str_t zero; |
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600 uintptr_t *code; |
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601 |
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602 if (sc->zero) { |
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603 |
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604 zero.len = 1; |
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605 zero.data = (u_char *) "\0"; |
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606 |
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607 if (ngx_http_script_add_copy_code(sc, &zero, 0) != NGX_OK) { |
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608 return NGX_ERROR; |
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609 } |
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610 } |
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611 |
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612 if (sc->conf_prefix || sc->root_prefix) { |
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613 if (ngx_http_script_add_full_name_code(sc) != NGX_OK) { |
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614 return NGX_ERROR; |
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615 } |
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616 } |
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617 |
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618 if (sc->complete_lengths) { |
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619 code = ngx_http_script_add_code(*sc->lengths, sizeof(uintptr_t), NULL); |
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620 if (code == NULL) { |
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621 return NGX_ERROR; |
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622 } |
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623 |
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624 *code = (uintptr_t) NULL; |
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625 } |
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626 |
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627 if (sc->complete_values) { |
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628 code = ngx_http_script_add_code(*sc->values, sizeof(uintptr_t), |
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629 &sc->main); |
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630 if (code == NULL) { |
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631 return NGX_ERROR; |
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632 } |
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633 |
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634 *code = (uintptr_t) NULL; |
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635 } |
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636 |
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637 return NGX_OK; |
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638 } |
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639 |
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640 |
509 | 641 void * |
507 | 642 ngx_http_script_start_code(ngx_pool_t *pool, ngx_array_t **codes, size_t size) |
479 | 643 { |
507 | 644 if (*codes == NULL) { |
645 *codes = ngx_array_create(pool, 256, 1); | |
646 if (*codes == NULL) { | |
647 return NULL; | |
648 } | |
649 } | |
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650 |
507 | 651 return ngx_array_push_n(*codes, size); |
652 } | |
653 | |
509 | 654 |
655 void * | |
656 ngx_http_script_add_code(ngx_array_t *codes, size_t size, void *code) | |
657 { | |
658 u_char *elts, **p; | |
659 void *new; | |
660 | |
661 elts = codes->elts; | |
662 | |
663 new = ngx_array_push_n(codes, size); | |
664 if (new == NULL) { | |
2911 | 665 return NULL; |
509 | 666 } |
667 | |
668 if (code) { | |
669 if (elts != codes->elts) { | |
670 p = code; | |
671 *p += (u_char *) codes->elts - elts; | |
672 } | |
673 } | |
674 | |
675 return new; | |
676 } | |
507 | 677 |
479 | 678 |
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679 static ngx_int_t |
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680 ngx_http_script_add_copy_code(ngx_http_script_compile_t *sc, ngx_str_t *value, |
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681 ngx_uint_t last) |
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682 { |
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683 u_char *p; |
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684 size_t size, len, zero; |
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685 ngx_http_script_copy_code_t *code; |
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686 |
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687 zero = (sc->zero && last); |
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688 len = value->len + zero; |
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689 |
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690 code = ngx_http_script_add_code(*sc->lengths, |
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691 sizeof(ngx_http_script_copy_code_t), NULL); |
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692 if (code == NULL) { |
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693 return NGX_ERROR; |
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694 } |
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695 |
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696 code->code = (ngx_http_script_code_pt) ngx_http_script_copy_len_code; |
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697 code->len = len; |
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698 |
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699 size = (sizeof(ngx_http_script_copy_code_t) + len + sizeof(uintptr_t) - 1) |
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700 & ~(sizeof(uintptr_t) - 1); |
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701 |
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702 code = ngx_http_script_add_code(*sc->values, size, &sc->main); |
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703 if (code == NULL) { |
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704 return NGX_ERROR; |
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705 } |
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706 |
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707 code->code = ngx_http_script_copy_code; |
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708 code->len = len; |
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709 |
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710 p = ngx_cpymem((u_char *) code + sizeof(ngx_http_script_copy_code_t), |
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711 value->data, value->len); |
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712 |
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713 if (zero) { |
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714 *p = '\0'; |
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715 sc->zero = 0; |
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716 } |
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717 |
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718 return NGX_OK; |
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719 } |
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720 |
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721 |
507 | 722 size_t |
509 | 723 ngx_http_script_copy_len_code(ngx_http_script_engine_t *e) |
507 | 724 { |
725 ngx_http_script_copy_code_t *code; | |
479 | 726 |
509 | 727 code = (ngx_http_script_copy_code_t *) e->ip; |
507 | 728 |
509 | 729 e->ip += sizeof(ngx_http_script_copy_code_t); |
507 | 730 |
731 return code->len; | |
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732 } |
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733 |
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734 |
507 | 735 void |
509 | 736 ngx_http_script_copy_code(ngx_http_script_engine_t *e) |
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737 { |
2393 | 738 u_char *p; |
507 | 739 ngx_http_script_copy_code_t *code; |
740 | |
509 | 741 code = (ngx_http_script_copy_code_t *) e->ip; |
742 | |
2393 | 743 p = e->pos; |
744 | |
509 | 745 if (!e->skip) { |
2393 | 746 e->pos = ngx_copy(p, e->ip + sizeof(ngx_http_script_copy_code_t), |
573 | 747 code->len); |
509 | 748 } |
507 | 749 |
509 | 750 e->ip += sizeof(ngx_http_script_copy_code_t) |
751 + ((code->len + sizeof(uintptr_t) - 1) & ~(sizeof(uintptr_t) - 1)); | |
507 | 752 |
2393 | 753 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, |
754 "http script copy: \"%*s\"", e->pos - p, p); | |
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755 } |
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756 |
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757 |
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758 static ngx_int_t |
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759 ngx_http_script_add_var_code(ngx_http_script_compile_t *sc, ngx_str_t *name) |
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760 { |
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761 ngx_int_t index, *p; |
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762 ngx_http_script_var_code_t *code; |
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763 |
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764 index = ngx_http_get_variable_index(sc->cf, name); |
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765 |
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766 if (index == NGX_ERROR) { |
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767 return NGX_ERROR; |
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768 } |
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769 |
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770 if (sc->flushes) { |
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771 p = ngx_array_push(*sc->flushes); |
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772 if (p == NULL) { |
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773 return NGX_ERROR; |
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774 } |
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|
775 |
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split ngx_http_script_compile()
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776 *p = index; |
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777 } |
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|
778 |
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779 code = ngx_http_script_add_code(*sc->lengths, |
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780 sizeof(ngx_http_script_var_code_t), NULL); |
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781 if (code == NULL) { |
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782 return NGX_ERROR; |
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783 } |
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784 |
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785 code->code = (ngx_http_script_code_pt) ngx_http_script_copy_var_len_code; |
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786 code->index = (uintptr_t) index; |
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787 |
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788 code = ngx_http_script_add_code(*sc->values, |
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789 sizeof(ngx_http_script_var_code_t), |
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790 &sc->main); |
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791 if (code == NULL) { |
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792 return NGX_ERROR; |
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793 } |
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794 |
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795 code->code = ngx_http_script_copy_var_code; |
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796 code->index = (uintptr_t) index; |
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797 |
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798 return NGX_OK; |
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799 } |
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800 |
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|
801 |
507 | 802 size_t |
509 | 803 ngx_http_script_copy_var_len_code(ngx_http_script_engine_t *e) |
99
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804 { |
507 | 805 ngx_http_variable_value_t *value; |
806 ngx_http_script_var_code_t *code; | |
807 | |
509 | 808 code = (ngx_http_script_var_code_t *) e->ip; |
507 | 809 |
509 | 810 e->ip += sizeof(ngx_http_script_var_code_t); |
507 | 811 |
573 | 812 if (e->flushed) { |
813 value = ngx_http_get_indexed_variable(e->request, code->index); | |
507 | 814 |
573 | 815 } else { |
816 value = ngx_http_get_flushed_variable(e->request, code->index); | |
817 } | |
818 | |
819 if (value && !value->not_found) { | |
820 return value->len; | |
507 | 821 } |
822 | |
553 | 823 return 0; |
99
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824 } |
479 | 825 |
826 | |
507 | 827 void |
509 | 828 ngx_http_script_copy_var_code(ngx_http_script_engine_t *e) |
479 | 829 { |
2393 | 830 u_char *p; |
507 | 831 ngx_http_variable_value_t *value; |
832 ngx_http_script_var_code_t *code; | |
833 | |
509 | 834 code = (ngx_http_script_var_code_t *) e->ip; |
835 | |
836 e->ip += sizeof(ngx_http_script_var_code_t); | |
837 | |
838 if (!e->skip) { | |
573 | 839 |
840 if (e->flushed) { | |
841 value = ngx_http_get_indexed_variable(e->request, code->index); | |
509 | 842 |
573 | 843 } else { |
844 value = ngx_http_get_flushed_variable(e->request, code->index); | |
845 } | |
846 | |
847 if (value && !value->not_found) { | |
2393 | 848 p = e->pos; |
849 e->pos = ngx_copy(p, value->data, value->len); | |
509 | 850 |
2393 | 851 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, |
845
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852 e->request->connection->log, 0, |
2393 | 853 "http script var: \"%*s\"", e->pos - p, p); |
509 | 854 } |
855 } | |
856 } | |
857 | |
858 | |
2577
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859 static ngx_int_t |
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860 ngx_http_script_add_args_code(ngx_http_script_compile_t *sc) |
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861 { |
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862 uintptr_t *code; |
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863 |
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864 code = ngx_http_script_add_code(*sc->lengths, sizeof(uintptr_t), NULL); |
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865 if (code == NULL) { |
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866 return NGX_ERROR; |
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867 } |
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868 |
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869 *code = (uintptr_t) ngx_http_script_mark_args_code; |
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870 |
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871 code = ngx_http_script_add_code(*sc->values, sizeof(uintptr_t), &sc->main); |
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872 if (code == NULL) { |
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873 return NGX_ERROR; |
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874 } |
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875 |
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876 *code = (uintptr_t) ngx_http_script_start_args_code; |
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877 |
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878 return NGX_OK; |
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879 } |
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|
880 |
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881 |
509 | 882 size_t |
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883 ngx_http_script_mark_args_code(ngx_http_script_engine_t *e) |
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884 { |
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885 e->is_args = 1; |
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886 e->ip += sizeof(uintptr_t); |
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|
887 |
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|
888 return 1; |
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|
889 } |
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890 |
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891 |
509 | 892 void |
893 ngx_http_script_start_args_code(ngx_http_script_engine_t *e) | |
894 { | |
895 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
896 "http script args"); | |
577 | 897 |
2225
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898 e->is_args = 1; |
509 | 899 e->args = e->pos; |
900 e->ip += sizeof(uintptr_t); | |
901 } | |
902 | |
903 | |
517 | 904 #if (NGX_PCRE) |
905 | |
509 | 906 void |
907 ngx_http_script_regex_start_code(ngx_http_script_engine_t *e) | |
908 { | |
909 size_t len; | |
910 ngx_int_t rc; | |
911 ngx_uint_t n; | |
912 ngx_http_request_t *r; | |
913 ngx_http_script_engine_t le; | |
914 ngx_http_script_len_code_pt lcode; | |
915 ngx_http_script_regex_code_t *code; | |
916 | |
917 code = (ngx_http_script_regex_code_t *) e->ip; | |
918 | |
919 r = e->request; | |
920 | |
921 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
922 "http script regex: \"%V\"", &code->name); | |
923 | |
924 if (code->uri) { | |
515 | 925 e->line = r->uri; |
509 | 926 } else { |
927 e->sp--; | |
573 | 928 e->line.len = e->sp->len; |
929 e->line.data = e->sp->data; | |
509 | 930 } |
507 | 931 |
3325 | 932 rc = ngx_http_regex_exec(r, code->regex, &e->line); |
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933 |
3325 | 934 if (rc == NGX_DECLINED) { |
2397 | 935 if (e->log || (r->connection->log->log_level & NGX_LOG_DEBUG_HTTP)) { |
509 | 936 ngx_log_error(NGX_LOG_NOTICE, r->connection->log, 0, |
515 | 937 "\"%V\" does not match \"%V\"", |
938 &code->name, &e->line); | |
509 | 939 } |
940 | |
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941 r->ncaptures = 0; |
515 | 942 |
509 | 943 if (code->test) { |
631 | 944 if (code->negative_test) { |
945 e->sp->len = 1; | |
946 e->sp->data = (u_char *) "1"; | |
947 | |
948 } else { | |
949 e->sp->len = 0; | |
950 e->sp->data = (u_char *) ""; | |
951 } | |
952 | |
509 | 953 e->sp++; |
954 | |
955 e->ip += sizeof(ngx_http_script_regex_code_t); | |
956 return; | |
957 } | |
958 | |
959 e->ip += code->next; | |
960 return; | |
961 } | |
962 | |
3325 | 963 if (rc == NGX_ERROR) { |
509 | 964 e->ip = ngx_http_script_exit; |
965 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
966 return; | |
967 } | |
968 | |
2397 | 969 if (e->log || (r->connection->log->log_level & NGX_LOG_DEBUG_HTTP)) { |
509 | 970 ngx_log_error(NGX_LOG_NOTICE, r->connection->log, 0, |
515 | 971 "\"%V\" matches \"%V\"", &code->name, &e->line); |
509 | 972 } |
973 | |
974 if (code->test) { | |
631 | 975 if (code->negative_test) { |
976 e->sp->len = 0; | |
977 e->sp->data = (u_char *) ""; | |
978 | |
979 } else { | |
980 e->sp->len = 1; | |
981 e->sp->data = (u_char *) "1"; | |
982 } | |
983 | |
509 | 984 e->sp++; |
985 | |
986 e->ip += sizeof(ngx_http_script_regex_code_t); | |
987 return; | |
988 } | |
989 | |
990 if (code->status) { | |
991 e->status = code->status; | |
507 | 992 |
509 | 993 if (!code->redirect) { |
994 e->ip = ngx_http_script_exit; | |
995 return; | |
996 } | |
997 } | |
998 | |
999 if (code->uri) { | |
1000 r->internal = 1; | |
1001 r->valid_unparsed_uri = 0; | |
1002 | |
1003 if (code->break_cycle) { | |
1004 r->valid_location = 0; | |
527 | 1005 r->uri_changed = 0; |
509 | 1006 |
1007 } else { | |
1008 r->uri_changed = 1; | |
1009 } | |
1010 } | |
1011 | |
1012 if (code->lengths == NULL) { | |
1013 e->buf.len = code->size; | |
1014 | |
1015 if (code->uri) { | |
3344
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fix captures in "rewrite", the bug had been introduced in r3326
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1016 if (r->ncaptures && (r->quoted_uri || r->plus_in_uri)) { |
509 | 1017 e->buf.len += 2 * ngx_escape_uri(NULL, r->uri.data, r->uri.len, |
1018 NGX_ESCAPE_ARGS); | |
1019 } | |
1020 } | |
1021 | |
3344
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1022 for (n = 2; n < r->ncaptures; n += 2) { |
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|
1023 e->buf.len += r->captures[n + 1] - r->captures[n]; |
509 | 1024 } |
1025 | |
1026 } else { | |
1027 ngx_memzero(&le, sizeof(ngx_http_script_engine_t)); | |
1028 | |
1029 le.ip = code->lengths->elts; | |
679 | 1030 le.line = e->line; |
509 | 1031 le.request = r; |
679 | 1032 le.quote = code->redirect; |
509 | 1033 |
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1034 len = 0; |
509 | 1035 |
1036 while (*(uintptr_t *) le.ip) { | |
1037 lcode = *(ngx_http_script_len_code_pt *) le.ip; | |
1038 len += lcode(&le); | |
1039 } | |
1040 | |
1041 e->buf.len = len; | |
1042 } | |
1043 | |
515 | 1044 if (code->add_args && r->args.len) { |
509 | 1045 e->buf.len += r->args.len + 1; |
1046 } | |
1047 | |
2049 | 1048 e->buf.data = ngx_pnalloc(r->pool, e->buf.len); |
509 | 1049 if (e->buf.data == NULL) { |
1050 e->ip = ngx_http_script_exit; | |
1051 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
507 | 1052 return; |
1053 } | |
1054 | |
509 | 1055 e->quote = code->redirect; |
1056 | |
1057 e->pos = e->buf.data; | |
1058 | |
1059 e->ip += sizeof(ngx_http_script_regex_code_t); | |
1060 } | |
1061 | |
1062 | |
1063 void | |
1064 ngx_http_script_regex_end_code(ngx_http_script_engine_t *e) | |
1065 { | |
577 | 1066 u_char *dst, *src; |
509 | 1067 ngx_http_request_t *r; |
1068 ngx_http_script_regex_end_code_t *code; | |
1069 | |
1070 code = (ngx_http_script_regex_end_code_t *) e->ip; | |
1071 | |
1072 r = e->request; | |
1073 | |
1074 e->quote = 0; | |
1075 | |
1076 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
1077 "http script regex end"); | |
1078 | |
1079 if (code->redirect) { | |
1080 | |
577 | 1081 dst = e->buf.data; |
1082 src = e->buf.data; | |
1083 | |
1593 | 1084 ngx_unescape_uri(&dst, &src, e->pos - e->buf.data, |
1085 NGX_UNESCAPE_REDIRECT); | |
577 | 1086 |
1087 if (src < e->pos) { | |
3887
e7798b5e990a
use memmove() in appropriate places
Igor Sysoev <igor@sysoev.ru>
parents:
3761
diff
changeset
|
1088 dst = ngx_movemem(dst, src, e->pos - src); |
577 | 1089 } |
1090 | |
1091 e->pos = dst; | |
1092 | |
1093 if (code->add_args && r->args.len) { | |
509 | 1094 *e->pos++ = (u_char) (code->args ? '&' : '?'); |
573 | 1095 e->pos = ngx_copy(e->pos, r->args.data, r->args.len); |
509 | 1096 } |
1097 | |
1098 e->buf.len = e->pos - e->buf.data; | |
1099 | |
2397 | 1100 if (e->log || (r->connection->log->log_level & NGX_LOG_DEBUG_HTTP)) { |
509 | 1101 ngx_log_error(NGX_LOG_NOTICE, r->connection->log, 0, |
1102 "rewritten redirect: \"%V\"", &e->buf); | |
1103 } | |
1104 | |
4206
1a94a56a4e5d
Clear old Location header (if any) while adding a new one.
Maxim Dounin <mdounin@mdounin.ru>
parents:
3904
diff
changeset
|
1105 ngx_http_clear_location(r); |
1a94a56a4e5d
Clear old Location header (if any) while adding a new one.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
1106 |
509 | 1107 r->headers_out.location = ngx_list_push(&r->headers_out.headers); |
1108 if (r->headers_out.location == NULL) { | |
1109 e->ip = ngx_http_script_exit; | |
1110 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
1111 return; | |
1112 } | |
1113 | |
577 | 1114 r->headers_out.location->hash = 1; |
3516
dd1570b6f237
ngx_str_set() and ngx_str_null()
Igor Sysoev <igor@sysoev.ru>
parents:
3344
diff
changeset
|
1115 ngx_str_set(&r->headers_out.location->key, "Location"); |
509 | 1116 r->headers_out.location->value = e->buf; |
1117 | |
1118 e->ip += sizeof(ngx_http_script_regex_end_code_t); | |
1119 return; | |
1120 } | |
1121 | |
577 | 1122 if (e->args) { |
509 | 1123 e->buf.len = e->args - e->buf.data; |
1124 | |
1125 if (code->add_args && r->args.len) { | |
1126 *e->pos++ = '&'; | |
573 | 1127 e->pos = ngx_copy(e->pos, r->args.data, r->args.len); |
509 | 1128 } |
1129 | |
1130 r->args.len = e->pos - e->args; | |
1131 r->args.data = e->args; | |
1132 | |
1133 e->args = NULL; | |
1134 | |
1135 } else { | |
1136 e->buf.len = e->pos - e->buf.data; | |
673 | 1137 |
1138 if (!code->add_args) { | |
1139 r->args.len = 0; | |
1140 } | |
509 | 1141 } |
1142 | |
2397 | 1143 if (e->log || (r->connection->log->log_level & NGX_LOG_DEBUG_HTTP)) { |
509 | 1144 ngx_log_error(NGX_LOG_NOTICE, r->connection->log, 0, |
1145 "rewritten data: \"%V\", args: \"%V\"", | |
1146 &e->buf, &r->args); | |
1147 } | |
1148 | |
1149 if (code->uri) { | |
1150 r->uri = e->buf; | |
1151 | |
535 | 1152 if (r->uri.len == 0) { |
1153 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
1154 "the rewritten URI has a zero length"); | |
1155 e->ip = ngx_http_script_exit; | |
1156 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
1157 return; | |
1158 } | |
1159 | |
2979
b941147f2b2e
ngx_http_set_exten() is always successful since 0.3.46
Igor Sysoev <igor@sysoev.ru>
parents:
2911
diff
changeset
|
1160 ngx_http_set_exten(r); |
509 | 1161 } |
1162 | |
1163 e->ip += sizeof(ngx_http_script_regex_end_code_t); | |
1164 } | |
1165 | |
2547
912ce4113f21
now regex captures are per-request entities
Igor Sysoev <igor@sysoev.ru>
parents:
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changeset
|
1166 |
2577
2dcbcfc1a8d1
split ngx_http_script_compile()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1167 static ngx_int_t |
2dcbcfc1a8d1
split ngx_http_script_compile()
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
1168 ngx_http_script_add_capture_code(ngx_http_script_compile_t *sc, ngx_uint_t n) |
2dcbcfc1a8d1
split ngx_http_script_compile()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1169 { |
2dcbcfc1a8d1
split ngx_http_script_compile()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1170 ngx_http_script_copy_capture_code_t *code; |
2dcbcfc1a8d1
split ngx_http_script_compile()
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diff
changeset
|
1171 |
2dcbcfc1a8d1
split ngx_http_script_compile()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1172 code = ngx_http_script_add_code(*sc->lengths, |
2dcbcfc1a8d1
split ngx_http_script_compile()
Igor Sysoev <igor@sysoev.ru>
parents:
2547
diff
changeset
|
1173 sizeof(ngx_http_script_copy_capture_code_t), |
2dcbcfc1a8d1
split ngx_http_script_compile()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1174 NULL); |
2dcbcfc1a8d1
split ngx_http_script_compile()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1175 if (code == NULL) { |
2dcbcfc1a8d1
split ngx_http_script_compile()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1176 return NGX_ERROR; |
2dcbcfc1a8d1
split ngx_http_script_compile()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1177 } |
2dcbcfc1a8d1
split ngx_http_script_compile()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1178 |
2dcbcfc1a8d1
split ngx_http_script_compile()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1179 code->code = (ngx_http_script_code_pt) |
2dcbcfc1a8d1
split ngx_http_script_compile()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1180 ngx_http_script_copy_capture_len_code; |
2dcbcfc1a8d1
split ngx_http_script_compile()
Igor Sysoev <igor@sysoev.ru>
parents:
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changeset
|
1181 code->n = 2 * n; |
2dcbcfc1a8d1
split ngx_http_script_compile()
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parents:
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diff
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|
1182 |
2dcbcfc1a8d1
split ngx_http_script_compile()
Igor Sysoev <igor@sysoev.ru>
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diff
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|
1183 |
2dcbcfc1a8d1
split ngx_http_script_compile()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1184 code = ngx_http_script_add_code(*sc->values, |
2dcbcfc1a8d1
split ngx_http_script_compile()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1185 sizeof(ngx_http_script_copy_capture_code_t), |
2dcbcfc1a8d1
split ngx_http_script_compile()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1186 &sc->main); |
2dcbcfc1a8d1
split ngx_http_script_compile()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1187 if (code == NULL) { |
2dcbcfc1a8d1
split ngx_http_script_compile()
Igor Sysoev <igor@sysoev.ru>
parents:
2547
diff
changeset
|
1188 return NGX_ERROR; |
2dcbcfc1a8d1
split ngx_http_script_compile()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1189 } |
2dcbcfc1a8d1
split ngx_http_script_compile()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1190 |
2dcbcfc1a8d1
split ngx_http_script_compile()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1191 code->code = ngx_http_script_copy_capture_code; |
2dcbcfc1a8d1
split ngx_http_script_compile()
Igor Sysoev <igor@sysoev.ru>
parents:
2547
diff
changeset
|
1192 code->n = 2 * n; |
2dcbcfc1a8d1
split ngx_http_script_compile()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1193 |
2dcbcfc1a8d1
split ngx_http_script_compile()
Igor Sysoev <igor@sysoev.ru>
parents:
2547
diff
changeset
|
1194 if (sc->ncaptures < n) { |
2dcbcfc1a8d1
split ngx_http_script_compile()
Igor Sysoev <igor@sysoev.ru>
parents:
2547
diff
changeset
|
1195 sc->ncaptures = n; |
2dcbcfc1a8d1
split ngx_http_script_compile()
Igor Sysoev <igor@sysoev.ru>
parents:
2547
diff
changeset
|
1196 } |
2dcbcfc1a8d1
split ngx_http_script_compile()
Igor Sysoev <igor@sysoev.ru>
parents:
2547
diff
changeset
|
1197 |
2dcbcfc1a8d1
split ngx_http_script_compile()
Igor Sysoev <igor@sysoev.ru>
parents:
2547
diff
changeset
|
1198 return NGX_OK; |
2dcbcfc1a8d1
split ngx_http_script_compile()
Igor Sysoev <igor@sysoev.ru>
parents:
2547
diff
changeset
|
1199 } |
2dcbcfc1a8d1
split ngx_http_script_compile()
Igor Sysoev <igor@sysoev.ru>
parents:
2547
diff
changeset
|
1200 |
2dcbcfc1a8d1
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Igor Sysoev <igor@sysoev.ru>
parents:
2547
diff
changeset
|
1201 |
2547
912ce4113f21
now regex captures are per-request entities
Igor Sysoev <igor@sysoev.ru>
parents:
2498
diff
changeset
|
1202 size_t |
912ce4113f21
now regex captures are per-request entities
Igor Sysoev <igor@sysoev.ru>
parents:
2498
diff
changeset
|
1203 ngx_http_script_copy_capture_len_code(ngx_http_script_engine_t *e) |
912ce4113f21
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Igor Sysoev <igor@sysoev.ru>
parents:
2498
diff
changeset
|
1204 { |
912ce4113f21
now regex captures are per-request entities
Igor Sysoev <igor@sysoev.ru>
parents:
2498
diff
changeset
|
1205 int *cap; |
912ce4113f21
now regex captures are per-request entities
Igor Sysoev <igor@sysoev.ru>
parents:
2498
diff
changeset
|
1206 u_char *p; |
912ce4113f21
now regex captures are per-request entities
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1207 ngx_uint_t n; |
912ce4113f21
now regex captures are per-request entities
Igor Sysoev <igor@sysoev.ru>
parents:
2498
diff
changeset
|
1208 ngx_http_request_t *r; |
912ce4113f21
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1209 ngx_http_script_copy_capture_code_t *code; |
912ce4113f21
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parents:
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diff
changeset
|
1210 |
912ce4113f21
now regex captures are per-request entities
Igor Sysoev <igor@sysoev.ru>
parents:
2498
diff
changeset
|
1211 r = e->request; |
912ce4113f21
now regex captures are per-request entities
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1212 |
912ce4113f21
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Igor Sysoev <igor@sysoev.ru>
parents:
2498
diff
changeset
|
1213 code = (ngx_http_script_copy_capture_code_t *) e->ip; |
912ce4113f21
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parents:
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diff
changeset
|
1214 |
912ce4113f21
now regex captures are per-request entities
Igor Sysoev <igor@sysoev.ru>
parents:
2498
diff
changeset
|
1215 e->ip += sizeof(ngx_http_script_copy_capture_code_t); |
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parents:
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diff
changeset
|
1216 |
912ce4113f21
now regex captures are per-request entities
Igor Sysoev <igor@sysoev.ru>
parents:
2498
diff
changeset
|
1217 n = code->n; |
912ce4113f21
now regex captures are per-request entities
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parents:
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diff
changeset
|
1218 |
912ce4113f21
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1219 if (n < r->ncaptures) { |
912ce4113f21
now regex captures are per-request entities
Igor Sysoev <igor@sysoev.ru>
parents:
2498
diff
changeset
|
1220 |
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now regex captures are per-request entities
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1221 cap = r->captures; |
912ce4113f21
now regex captures are per-request entities
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1222 |
912ce4113f21
now regex captures are per-request entities
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1223 if ((e->is_args || e->quote) |
912ce4113f21
now regex captures are per-request entities
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parents:
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diff
changeset
|
1224 && (e->request->quoted_uri || e->request->plus_in_uri)) |
912ce4113f21
now regex captures are per-request entities
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parents:
2498
diff
changeset
|
1225 { |
912ce4113f21
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parents:
2498
diff
changeset
|
1226 p = r->captures_data; |
912ce4113f21
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parents:
2498
diff
changeset
|
1227 |
912ce4113f21
now regex captures are per-request entities
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parents:
2498
diff
changeset
|
1228 return cap[n + 1] - cap[n] |
912ce4113f21
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Igor Sysoev <igor@sysoev.ru>
parents:
2498
diff
changeset
|
1229 + 2 * ngx_escape_uri(NULL, &p[cap[n]], cap[n + 1] - cap[n], |
912ce4113f21
now regex captures are per-request entities
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1230 NGX_ESCAPE_ARGS); |
912ce4113f21
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diff
changeset
|
1231 } else { |
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now regex captures are per-request entities
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parents:
2498
diff
changeset
|
1232 return cap[n + 1] - cap[n]; |
912ce4113f21
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parents:
2498
diff
changeset
|
1233 } |
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diff
changeset
|
1234 } |
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diff
changeset
|
1235 |
912ce4113f21
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Igor Sysoev <igor@sysoev.ru>
parents:
2498
diff
changeset
|
1236 return 0; |
912ce4113f21
now regex captures are per-request entities
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parents:
2498
diff
changeset
|
1237 } |
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now regex captures are per-request entities
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parents:
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diff
changeset
|
1238 |
912ce4113f21
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changeset
|
1239 |
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changeset
|
1240 void |
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now regex captures are per-request entities
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diff
changeset
|
1241 ngx_http_script_copy_capture_code(ngx_http_script_engine_t *e) |
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parents:
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changeset
|
1242 { |
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changeset
|
1243 int *cap; |
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diff
changeset
|
1244 u_char *p, *pos; |
912ce4113f21
now regex captures are per-request entities
Igor Sysoev <igor@sysoev.ru>
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changeset
|
1245 ngx_uint_t n; |
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changeset
|
1246 ngx_http_request_t *r; |
912ce4113f21
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diff
changeset
|
1247 ngx_http_script_copy_capture_code_t *code; |
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diff
changeset
|
1248 |
912ce4113f21
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diff
changeset
|
1249 r = e->request; |
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diff
changeset
|
1250 |
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parents:
2498
diff
changeset
|
1251 code = (ngx_http_script_copy_capture_code_t *) e->ip; |
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changeset
|
1252 |
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2498
diff
changeset
|
1253 e->ip += sizeof(ngx_http_script_copy_capture_code_t); |
912ce4113f21
now regex captures are per-request entities
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1254 |
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1255 n = code->n; |
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1256 |
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1257 pos = e->pos; |
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1258 |
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1259 if (n < r->ncaptures) { |
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1260 |
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1261 cap = r->captures; |
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1262 p = r->captures_data; |
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1263 |
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1264 if ((e->is_args || e->quote) |
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1265 && (e->request->quoted_uri || e->request->plus_in_uri)) |
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1266 { |
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1267 e->pos = (u_char *) ngx_escape_uri(pos, &p[cap[n]], |
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1268 cap[n + 1] - cap[n], |
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1269 NGX_ESCAPE_ARGS); |
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1270 } else { |
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1271 e->pos = ngx_copy(pos, &p[cap[n]], cap[n + 1] - cap[n]); |
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1272 } |
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1273 } |
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1274 |
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1275 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, |
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1276 "http script capture: \"%*s\"", e->pos - pos, pos); |
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1277 } |
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1278 |
517 | 1279 #endif |
1280 | |
509 | 1281 |
2587
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1282 static ngx_int_t |
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1283 ngx_http_script_add_full_name_code(ngx_http_script_compile_t *sc) |
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1284 { |
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1285 ngx_http_script_full_name_code_t *code; |
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1286 |
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1287 code = ngx_http_script_add_code(*sc->lengths, |
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1288 sizeof(ngx_http_script_full_name_code_t), |
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1289 NULL); |
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1290 if (code == NULL) { |
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1291 return NGX_ERROR; |
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1292 } |
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1293 |
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1294 code->code = (ngx_http_script_code_pt) ngx_http_script_full_name_len_code; |
2758 | 1295 code->conf_prefix = sc->conf_prefix; |
2587
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1296 |
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1297 code = ngx_http_script_add_code(*sc->values, |
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1298 sizeof(ngx_http_script_full_name_code_t), |
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1299 &sc->main); |
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1300 if (code == NULL) { |
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1301 return NGX_ERROR; |
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1302 } |
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1303 |
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1304 code->code = ngx_http_script_full_name_code; |
2758 | 1305 code->conf_prefix = sc->conf_prefix; |
2587
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1306 |
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1307 return NGX_OK; |
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1308 } |
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1309 |
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1310 |
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1311 static size_t |
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1312 ngx_http_script_full_name_len_code(ngx_http_script_engine_t *e) |
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1313 { |
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1314 ngx_http_script_full_name_code_t *code; |
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1315 |
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1316 code = (ngx_http_script_full_name_code_t *) e->ip; |
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1317 |
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1318 e->ip += sizeof(ngx_http_script_full_name_code_t); |
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1319 |
2758 | 1320 return code->conf_prefix ? ngx_cycle->conf_prefix.len: |
1321 ngx_cycle->prefix.len; | |
2587
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1322 } |
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1323 |
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1324 |
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1325 static void |
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1326 ngx_http_script_full_name_code(ngx_http_script_engine_t *e) |
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1327 { |
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1328 ngx_http_script_full_name_code_t *code; |
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1329 |
5331
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1330 ngx_str_t value, *prefix; |
2587
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1331 |
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1332 code = (ngx_http_script_full_name_code_t *) e->ip; |
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1333 |
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1334 value.data = e->buf.data; |
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1335 value.len = e->pos - e->buf.data; |
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1336 |
5331
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1337 prefix = code->conf_prefix ? (ngx_str_t *) &ngx_cycle->conf_prefix: |
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1338 (ngx_str_t *) &ngx_cycle->prefix; |
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1339 |
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1340 if (ngx_get_full_name(e->request->pool, prefix, &value) != NGX_OK) { |
2587
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1341 e->ip = ngx_http_script_exit; |
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1342 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; |
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1343 return; |
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1344 } |
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1345 |
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1346 e->buf = value; |
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1347 |
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1348 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, |
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1349 "http script fullname: \"%V\"", &value); |
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1350 |
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1351 e->ip += sizeof(ngx_http_script_full_name_code_t); |
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1352 } |
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1353 |
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1354 |
509 | 1355 void |
1356 ngx_http_script_return_code(ngx_http_script_engine_t *e) | |
577 | 1357 { |
509 | 1358 ngx_http_script_return_code_t *code; |
577 | 1359 |
509 | 1360 code = (ngx_http_script_return_code_t *) e->ip; |
1361 | |
3633 | 1362 if (code->status < NGX_HTTP_BAD_REQUEST |
1363 || code->text.value.len | |
1364 || code->text.lengths) | |
1365 { | |
1366 e->status = ngx_http_send_response(e->request, code->status, NULL, | |
1367 &code->text); | |
1368 } else { | |
1369 e->status = code->status; | |
653 | 1370 } |
1371 | |
3633 | 1372 e->ip = ngx_http_script_exit; |
479 | 1373 } |
509 | 1374 |
1375 | |
1376 void | |
527 | 1377 ngx_http_script_break_code(ngx_http_script_engine_t *e) |
1378 { | |
1379 e->request->uri_changed = 0; | |
1380 | |
1381 e->ip = ngx_http_script_exit; | |
1382 } | |
1383 | |
1384 | |
1385 void | |
509 | 1386 ngx_http_script_if_code(ngx_http_script_engine_t *e) |
1387 { | |
1388 ngx_http_script_if_code_t *code; | |
1389 | |
1390 code = (ngx_http_script_if_code_t *) e->ip; | |
1391 | |
1392 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
1393 "http script if"); | |
1394 | |
1395 e->sp--; | |
1396 | |
5426 | 1397 if (e->sp->len && (e->sp->len != 1 || e->sp->data[0] != '0')) { |
509 | 1398 if (code->loc_conf) { |
1399 e->request->loc_conf = code->loc_conf; | |
535 | 1400 ngx_http_update_location_config(e->request); |
509 | 1401 } |
1402 | |
1403 e->ip += sizeof(ngx_http_script_if_code_t); | |
1404 return; | |
1405 } | |
1406 | |
1407 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
577 | 1408 "http script if: false"); |
509 | 1409 |
1410 e->ip += code->next; | |
1411 } | |
1412 | |
1413 | |
1414 void | |
577 | 1415 ngx_http_script_equal_code(ngx_http_script_engine_t *e) |
1416 { | |
1417 ngx_http_variable_value_t *val, *res; | |
1418 | |
1419 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
1420 "http script equal"); | |
1421 | |
1422 e->sp--; | |
1423 val = e->sp; | |
1424 res = e->sp - 1; | |
1425 | |
1426 e->ip += sizeof(uintptr_t); | |
1427 | |
2393 | 1428 if (val->len == res->len |
1429 && ngx_strncmp(val->data, res->data, res->len) == 0) | |
577 | 1430 { |
1431 *res = ngx_http_variable_true_value; | |
1432 return; | |
1433 } | |
1434 | |
1435 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
1436 "http script equal: no"); | |
1437 | |
1438 *res = ngx_http_variable_null_value; | |
1439 } | |
1440 | |
1441 | |
1442 void | |
1443 ngx_http_script_not_equal_code(ngx_http_script_engine_t *e) | |
1444 { | |
1445 ngx_http_variable_value_t *val, *res; | |
1446 | |
1447 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
1448 "http script not equal"); | |
1449 | |
1450 e->sp--; | |
1451 val = e->sp; | |
1452 res = e->sp - 1; | |
1453 | |
1454 e->ip += sizeof(uintptr_t); | |
1455 | |
2393 | 1456 if (val->len == res->len |
1457 && ngx_strncmp(val->data, res->data, res->len) == 0) | |
577 | 1458 { |
1459 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
1460 "http script not equal: no"); | |
1461 | |
1462 *res = ngx_http_variable_null_value; | |
1463 return; | |
1464 } | |
1465 | |
1466 *res = ngx_http_variable_true_value; | |
1467 } | |
1468 | |
1469 | |
1470 void | |
631 | 1471 ngx_http_script_file_code(ngx_http_script_engine_t *e) |
1472 { | |
1454 | 1473 ngx_str_t path; |
1474 ngx_http_request_t *r; | |
1475 ngx_open_file_info_t of; | |
1476 ngx_http_core_loc_conf_t *clcf; | |
631 | 1477 ngx_http_variable_value_t *value; |
1478 ngx_http_script_file_code_t *code; | |
1479 | |
1480 value = e->sp - 1; | |
1481 | |
1482 code = (ngx_http_script_file_code_t *) e->ip; | |
1483 e->ip += sizeof(ngx_http_script_file_code_t); | |
1484 | |
1454 | 1485 path.len = value->len - 1; |
1486 path.data = value->data; | |
1487 | |
1488 r = e->request; | |
1489 | |
1490 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
1491 "http script file op %p \"%V\"", code->op, &path); | |
1492 | |
1493 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
631 | 1494 |
2068
75a8d34459c5
ngx_memzero() ngx_open_file_info_t
Igor Sysoev <igor@sysoev.ru>
parents:
2063
diff
changeset
|
1495 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
|
1496 |
3178 | 1497 of.read_ahead = clcf->read_ahead; |
2129 | 1498 of.directio = clcf->directio; |
1767
c42431762903
open_file_cache_retest > open_file_cache_valid
Igor Sysoev <igor@sysoev.ru>
parents:
1593
diff
changeset
|
1499 of.valid = clcf->open_file_cache_valid; |
1772 | 1500 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
|
1501 of.test_only = 1; |
1454 | 1502 of.errors = clcf->open_file_cache_errors; |
1457 | 1503 of.events = clcf->open_file_cache_events; |
4494
13e09cf11d4e
Disable symlinks: initialization of the "disable_symlinks" field in
Valentin Bartenev <vbart@nginx.com>
parents:
4478
diff
changeset
|
1504 |
13e09cf11d4e
Disable symlinks: initialization of the "disable_symlinks" field in
Valentin Bartenev <vbart@nginx.com>
parents:
4478
diff
changeset
|
1505 if (ngx_http_set_disable_symlinks(r, clcf, &path, &of) != NGX_OK) { |
13e09cf11d4e
Disable symlinks: initialization of the "disable_symlinks" field in
Valentin Bartenev <vbart@nginx.com>
parents:
4478
diff
changeset
|
1506 e->ip = ngx_http_script_exit; |
13e09cf11d4e
Disable symlinks: initialization of the "disable_symlinks" field in
Valentin Bartenev <vbart@nginx.com>
parents:
4478
diff
changeset
|
1507 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; |
13e09cf11d4e
Disable symlinks: initialization of the "disable_symlinks" field in
Valentin Bartenev <vbart@nginx.com>
parents:
4478
diff
changeset
|
1508 return; |
13e09cf11d4e
Disable symlinks: initialization of the "disable_symlinks" field in
Valentin Bartenev <vbart@nginx.com>
parents:
4478
diff
changeset
|
1509 } |
631 | 1510 |
1454 | 1511 if (ngx_open_cached_file(clcf->open_file_cache, &path, &of, r->pool) |
1799 | 1512 != NGX_OK) |
1454 | 1513 { |
3160
a7637c2c1157
low ENAMETOOLONG logging level
Igor Sysoev <igor@sysoev.ru>
parents:
2979
diff
changeset
|
1514 if (of.err != NGX_ENOENT |
a7637c2c1157
low ENAMETOOLONG logging level
Igor Sysoev <igor@sysoev.ru>
parents:
2979
diff
changeset
|
1515 && of.err != NGX_ENOTDIR |
a7637c2c1157
low ENAMETOOLONG logging level
Igor Sysoev <igor@sysoev.ru>
parents:
2979
diff
changeset
|
1516 && of.err != NGX_ENAMETOOLONG) |
a7637c2c1157
low ENAMETOOLONG logging level
Igor Sysoev <igor@sysoev.ru>
parents:
2979
diff
changeset
|
1517 { |
1454 | 1518 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
|
1519 "%s \"%s\" failed", of.failed, value->data); |
631 | 1520 } |
1521 | |
1522 switch (code->op) { | |
671 | 1523 |
631 | 1524 case ngx_http_script_file_plain: |
669 | 1525 case ngx_http_script_file_dir: |
1526 case ngx_http_script_file_exists: | |
1527 case ngx_http_script_file_exec: | |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1528 goto false_value; |
671 | 1529 |
631 | 1530 case ngx_http_script_file_not_plain: |
669 | 1531 case ngx_http_script_file_not_dir: |
671 | 1532 case ngx_http_script_file_not_exists: |
669 | 1533 case ngx_http_script_file_not_exec: |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1534 goto true_value; |
631 | 1535 } |
1536 | |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1537 goto false_value; |
631 | 1538 } |
1539 | |
1540 switch (code->op) { | |
1541 case ngx_http_script_file_plain: | |
1454 | 1542 if (of.is_file) { |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1543 goto true_value; |
631 | 1544 } |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1545 goto false_value; |
631 | 1546 |
1547 case ngx_http_script_file_not_plain: | |
1454 | 1548 if (of.is_file) { |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1549 goto false_value; |
631 | 1550 } |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1551 goto true_value; |
669 | 1552 |
1553 case ngx_http_script_file_dir: | |
1454 | 1554 if (of.is_dir) { |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1555 goto true_value; |
669 | 1556 } |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1557 goto false_value; |
669 | 1558 |
1559 case ngx_http_script_file_not_dir: | |
1454 | 1560 if (of.is_dir) { |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1561 goto false_value; |
669 | 1562 } |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1563 goto true_value; |
669 | 1564 |
1565 case ngx_http_script_file_exists: | |
1454 | 1566 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
|
1567 goto true_value; |
669 | 1568 } |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1569 goto false_value; |
669 | 1570 |
1571 case ngx_http_script_file_not_exists: | |
1454 | 1572 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
|
1573 goto false_value; |
669 | 1574 } |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1575 goto true_value; |
669 | 1576 |
1577 case ngx_http_script_file_exec: | |
1454 | 1578 if (of.is_exec) { |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1579 goto true_value; |
669 | 1580 } |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1581 goto false_value; |
669 | 1582 |
1583 case ngx_http_script_file_not_exec: | |
1454 | 1584 if (of.is_exec) { |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1585 goto false_value; |
669 | 1586 } |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1587 goto true_value; |
631 | 1588 } |
1589 | |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1590 false_value: |
631 | 1591 |
1454 | 1592 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
631 | 1593 "http script file op false"); |
1594 | |
1595 *value = ngx_http_variable_null_value; | |
1596 return; | |
1597 | |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1598 true_value: |
631 | 1599 |
1600 *value = ngx_http_variable_true_value; | |
1601 return; | |
1602 } | |
1603 | |
1604 | |
1605 void | |
515 | 1606 ngx_http_script_complex_value_code(ngx_http_script_engine_t *e) |
1607 { | |
1608 size_t len; | |
1609 ngx_http_script_engine_t le; | |
1610 ngx_http_script_len_code_pt lcode; | |
1611 ngx_http_script_complex_value_code_t *code; | |
1612 | |
1613 code = (ngx_http_script_complex_value_code_t *) e->ip; | |
1614 | |
1615 e->ip += sizeof(ngx_http_script_complex_value_code_t); | |
1616 | |
1617 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
1618 "http script complex value"); | |
1619 | |
1620 ngx_memzero(&le, sizeof(ngx_http_script_engine_t)); | |
1621 | |
1622 le.ip = code->lengths->elts; | |
655 | 1623 le.line = e->line; |
515 | 1624 le.request = e->request; |
655 | 1625 le.quote = e->quote; |
515 | 1626 |
1627 for (len = 0; *(uintptr_t *) le.ip; len += lcode(&le)) { | |
1628 lcode = *(ngx_http_script_len_code_pt *) le.ip; | |
1629 } | |
1630 | |
1631 e->buf.len = len; | |
2049 | 1632 e->buf.data = ngx_pnalloc(e->request->pool, len); |
515 | 1633 if (e->buf.data == NULL) { |
1634 e->ip = ngx_http_script_exit; | |
1635 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
1636 return; | |
1637 } | |
1638 | |
1639 e->pos = e->buf.data; | |
1640 | |
577 | 1641 e->sp->len = e->buf.len; |
573 | 1642 e->sp->data = e->buf.data; |
515 | 1643 e->sp++; |
1644 } | |
1645 | |
1646 | |
1647 void | |
509 | 1648 ngx_http_script_value_code(ngx_http_script_engine_t *e) |
1649 { | |
1650 ngx_http_script_value_code_t *code; | |
1651 | |
1652 code = (ngx_http_script_value_code_t *) e->ip; | |
1653 | |
1654 e->ip += sizeof(ngx_http_script_value_code_t); | |
1655 | |
573 | 1656 e->sp->len = code->text_len; |
1657 e->sp->data = (u_char *) code->text_data; | |
577 | 1658 |
1659 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
1561 | 1660 "http script value: \"%v\"", e->sp); |
577 | 1661 |
509 | 1662 e->sp++; |
1663 } | |
1664 | |
1665 | |
1666 void | |
1667 ngx_http_script_set_var_code(ngx_http_script_engine_t *e) | |
1668 { | |
1669 ngx_http_request_t *r; | |
1670 ngx_http_script_var_code_t *code; | |
1671 | |
1672 code = (ngx_http_script_var_code_t *) e->ip; | |
1673 | |
1674 e->ip += sizeof(ngx_http_script_var_code_t); | |
1675 | |
1676 r = e->request; | |
1677 | |
1678 e->sp--; | |
1679 | |
573 | 1680 r->variables[code->index].len = e->sp->len; |
1681 r->variables[code->index].valid = 1; | |
1565 | 1682 r->variables[code->index].no_cacheable = 0; |
573 | 1683 r->variables[code->index].not_found = 0; |
1684 r->variables[code->index].data = e->sp->data; | |
2393 | 1685 |
1686 #if (NGX_DEBUG) | |
1687 { | |
1688 ngx_http_variable_t *v; | |
1689 ngx_http_core_main_conf_t *cmcf; | |
1690 | |
1691 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); | |
1692 | |
1693 v = cmcf->variables.elts; | |
1694 | |
1695 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
1696 "http script set $%V", &v[code->index].name); | |
1697 } | |
1698 #endif | |
509 | 1699 } |
1700 | |
1701 | |
1702 void | |
637 | 1703 ngx_http_script_var_set_handler_code(ngx_http_script_engine_t *e) |
1704 { | |
1705 ngx_http_script_var_handler_code_t *code; | |
1706 | |
1707 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
1708 "http script set var handler"); | |
1709 | |
1710 code = (ngx_http_script_var_handler_code_t *) e->ip; | |
1711 | |
1712 e->ip += sizeof(ngx_http_script_var_handler_code_t); | |
1713 | |
1714 e->sp--; | |
1715 | |
1716 code->handler(e->request, e->sp, code->data); | |
1717 } | |
1718 | |
1719 | |
1720 void | |
509 | 1721 ngx_http_script_var_code(ngx_http_script_engine_t *e) |
1722 { | |
1723 ngx_http_variable_value_t *value; | |
1724 ngx_http_script_var_code_t *code; | |
1725 | |
1726 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
1727 "http script var"); | |
1728 | |
1729 code = (ngx_http_script_var_code_t *) e->ip; | |
1730 | |
1731 e->ip += sizeof(ngx_http_script_var_code_t); | |
1732 | |
573 | 1733 value = ngx_http_get_flushed_variable(e->request, code->index); |
509 | 1734 |
573 | 1735 if (value && !value->not_found) { |
1736 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
|
1737 "http script var: \"%v\"", value); |
573 | 1738 |
553 | 1739 *e->sp = *value; |
509 | 1740 e->sp++; |
1741 | |
1742 return; | |
1743 } | |
1744 | |
577 | 1745 *e->sp = ngx_http_variable_null_value; |
509 | 1746 e->sp++; |
1747 } | |
1748 | |
1749 | |
1750 void | |
1751 ngx_http_script_nop_code(ngx_http_script_engine_t *e) | |
1752 { | |
1753 e->ip += sizeof(uintptr_t); | |
1754 } |