Mercurial > hg > nginx-quic
annotate src/http/ngx_http_script.c @ 2749:ccaf43725ff6
change ngx_log_create_errlog() interface
author | Igor Sysoev <igor@sysoev.ru> |
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date | Fri, 24 Apr 2009 14:27:36 +0000 |
parents | ad99a49cd313 |
children | 09cab3f8d92e |
rev | line source |
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
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4 */ |
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6 |
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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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9 #include <ngx_http.h> |
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10 |
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11 |
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12 static ngx_int_t ngx_http_script_init_arrays(ngx_http_script_compile_t *sc); |
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13 static ngx_int_t ngx_http_script_done(ngx_http_script_compile_t *sc); |
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14 static ngx_int_t ngx_http_script_add_copy_code(ngx_http_script_compile_t *sc, |
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15 ngx_str_t *value, ngx_uint_t last); |
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16 static ngx_int_t ngx_http_script_add_var_code(ngx_http_script_compile_t *sc, |
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17 ngx_str_t *name); |
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18 static ngx_int_t ngx_http_script_add_args_code(ngx_http_script_compile_t *sc); |
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19 #if (NGX_PCRE) |
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20 static ngx_int_t ngx_http_script_add_capture_code(ngx_http_script_compile_t *sc, |
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21 ngx_uint_t n); |
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22 #endif |
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23 static ngx_int_t |
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24 ngx_http_script_add_full_name_code(ngx_http_script_compile_t *sc); |
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25 static size_t ngx_http_script_full_name_len_code(ngx_http_script_engine_t *e); |
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26 static void ngx_http_script_full_name_code(ngx_http_script_engine_t *e); |
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27 |
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28 |
509 | 29 #define ngx_http_script_exit (u_char *) &ngx_http_script_exit_code |
30 | |
31 static uintptr_t ngx_http_script_exit_code = (uintptr_t) NULL; | |
32 | |
33 | |
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34 void |
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35 ngx_http_script_flush_complex_value(ngx_http_request_t *r, |
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36 ngx_http_complex_value_t *val) |
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37 { |
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38 ngx_uint_t *index; |
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39 |
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40 index = val->flushes; |
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41 |
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42 if (index) { |
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43 while (*index != (ngx_uint_t) -1) { |
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44 |
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45 if (r->variables[*index].no_cacheable) { |
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46 r->variables[*index].valid = 0; |
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47 r->variables[*index].not_found = 0; |
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48 } |
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49 |
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50 index++; |
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51 } |
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52 } |
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53 } |
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54 |
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55 |
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56 ngx_int_t |
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57 ngx_http_complex_value(ngx_http_request_t *r, ngx_http_complex_value_t *val, |
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58 ngx_str_t *value) |
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59 { |
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60 size_t len; |
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61 ngx_http_script_code_pt code; |
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62 ngx_http_script_len_code_pt lcode; |
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63 ngx_http_script_engine_t e; |
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64 |
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65 if (val->lengths == NULL) { |
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66 *value = val->value; |
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67 return NGX_OK; |
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68 } |
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69 |
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70 ngx_http_script_flush_complex_value(r, val); |
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71 |
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72 ngx_memzero(&e, sizeof(ngx_http_script_engine_t)); |
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73 |
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74 e.ip = val->lengths; |
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75 e.request = r; |
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76 e.flushed = 1; |
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77 |
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78 len = 0; |
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79 |
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80 while (*(uintptr_t *) e.ip) { |
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81 lcode = *(ngx_http_script_len_code_pt *) e.ip; |
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82 len += lcode(&e); |
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83 } |
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84 |
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85 value->len = len; |
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86 value->data = ngx_pnalloc(r->pool, len); |
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87 if (value->data == NULL) { |
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88 return NGX_ERROR; |
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89 } |
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90 |
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91 e.ip = val->values; |
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92 e.pos = value->data; |
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93 e.buf = *value; |
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94 |
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95 while (*(uintptr_t *) e.ip) { |
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96 code = *(ngx_http_script_code_pt *) e.ip; |
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97 code((ngx_http_script_engine_t *) &e); |
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98 } |
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99 |
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100 *value = e.buf; |
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101 |
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102 return NGX_OK; |
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103 } |
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104 |
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105 |
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106 ngx_int_t |
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107 ngx_http_compile_complex_value(ngx_http_compile_complex_value_t *ccv) |
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108 { |
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109 ngx_str_t *v; |
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110 ngx_uint_t i, n, nv, nc; |
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111 ngx_array_t flushes, lengths, values, *pf, *pl, *pv; |
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112 ngx_http_script_compile_t sc; |
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113 |
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114 v = ccv->value; |
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115 |
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116 if (v->len == 0) { |
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117 ngx_conf_log_error(NGX_LOG_EMERG, ccv->cf, 0, "empty parameter"); |
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118 return NGX_ERROR; |
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119 } |
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120 |
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121 nv = 0; |
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122 nc = 0; |
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123 |
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124 for (i = 0; i < v->len; i++) { |
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125 if (v->data[i] == '$') { |
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126 if (v->data[i + 1] >= '1' && v->data[i + 1] <= '9') { |
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127 nc++; |
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128 |
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129 } else { |
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130 nv++; |
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131 } |
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132 } |
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133 } |
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134 |
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135 if (v->data[0] != '$' && (ccv->conf_prefix || ccv->root_prefix)) { |
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136 |
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137 if (ngx_conf_full_name(ccv->cf->cycle, v, ccv->conf_prefix) != NGX_OK) { |
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138 return NGX_ERROR; |
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139 } |
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140 |
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141 ccv->conf_prefix = 0; |
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142 ccv->root_prefix = 0; |
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143 } |
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144 |
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145 ccv->complex_value->value = *v; |
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146 ccv->complex_value->flushes = NULL; |
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147 ccv->complex_value->lengths = NULL; |
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148 ccv->complex_value->values = NULL; |
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149 |
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150 if (nv == 0 && nc == 0) { |
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151 return NGX_OK; |
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152 } |
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153 |
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154 n = nv + 1; |
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155 |
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156 if (ngx_array_init(&flushes, ccv->cf->pool, n, sizeof(ngx_uint_t)) |
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157 != NGX_OK) |
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158 { |
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159 return NGX_ERROR; |
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160 } |
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161 |
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162 n = nv * (2 * sizeof(ngx_http_script_copy_code_t) |
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163 + sizeof(ngx_http_script_var_code_t)) |
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164 + sizeof(uintptr_t); |
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165 |
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166 if (ngx_array_init(&lengths, ccv->cf->pool, n, 1) != NGX_OK) { |
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167 return NGX_ERROR; |
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168 } |
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169 |
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170 n = (nv * (2 * sizeof(ngx_http_script_copy_code_t) |
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171 + sizeof(ngx_http_script_var_code_t)) |
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172 + sizeof(uintptr_t) |
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173 + v->len |
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174 + sizeof(uintptr_t) - 1) |
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175 & ~(sizeof(uintptr_t) - 1); |
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176 |
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177 if (ngx_array_init(&values, ccv->cf->pool, n, 1) != NGX_OK) { |
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178 return NGX_ERROR; |
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179 } |
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180 |
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181 pf = &flushes; |
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182 pl = &lengths; |
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183 pv = &values; |
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184 |
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185 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); |
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186 |
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187 sc.cf = ccv->cf; |
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188 sc.source = v; |
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189 sc.flushes = &pf; |
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190 sc.lengths = &pl; |
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191 sc.values = &pv; |
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192 sc.complete_lengths = 1; |
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193 sc.complete_values = 1; |
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194 sc.zero = ccv->zero; |
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195 sc.conf_prefix = ccv->conf_prefix; |
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196 sc.root_prefix = ccv->root_prefix; |
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197 |
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198 if (ngx_http_script_compile(&sc) != NGX_OK) { |
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199 return NGX_ERROR; |
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200 } |
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201 |
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202 if (flushes.nelts) { |
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203 ccv->complex_value->flushes = flushes.elts; |
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204 ccv->complex_value->flushes[flushes.nelts] = (ngx_uint_t) -1; |
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205 } |
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206 |
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207 ccv->complex_value->lengths = lengths.elts; |
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208 ccv->complex_value->values = values.elts; |
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209 |
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210 return NGX_OK; |
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211 } |
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212 |
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213 |
509 | 214 ngx_uint_t |
215 ngx_http_script_variables_count(ngx_str_t *value) | |
99
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216 { |
509 | 217 ngx_uint_t i, n; |
507 | 218 |
509 | 219 for (n = 0, i = 0; i < value->len; i++) { |
220 if (value->data[i] == '$') { | |
221 n++; | |
222 } | |
507 | 223 } |
224 | |
509 | 225 return n; |
226 } | |
227 | |
228 | |
229 ngx_int_t | |
230 ngx_http_script_compile(ngx_http_script_compile_t *sc) | |
231 { | |
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232 u_char ch; |
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233 ngx_str_t name; |
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234 ngx_uint_t i, bracket; |
573 | 235 |
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236 if (ngx_http_script_init_arrays(sc) != NGX_OK) { |
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237 return NGX_ERROR; |
509 | 238 } |
239 | |
240 for (i = 0; i < sc->source->len; /* void */ ) { | |
241 | |
242 name.len = 0; | |
243 | |
244 if (sc->source->data[i] == '$') { | |
245 | |
246 if (++i == sc->source->len) { | |
247 goto invalid_variable; | |
248 } | |
249 | |
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250 #if (NGX_PCRE) |
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251 { |
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252 ngx_uint_t n; |
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253 |
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254 /* NGX_HTTP_MAX_CAPTURES is 9 */ |
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255 |
509 | 256 if (sc->source->data[i] >= '1' && sc->source->data[i] <= '9') { |
257 | |
641 | 258 n = sc->source->data[i] - '0'; |
259 | |
260 if (sc->captures_mask & (1 << n)) { | |
261 sc->dup_capture = 1; | |
262 } | |
263 | |
264 sc->captures_mask |= 1 << n; | |
265 | |
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266 if (ngx_http_script_add_capture_code(sc, n) != NGX_OK) { |
509 | 267 return NGX_ERROR; |
268 } | |
269 | |
270 i++; | |
271 | |
272 continue; | |
273 } | |
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274 } |
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275 #endif |
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276 |
509 | 277 if (sc->source->data[i] == '{') { |
278 bracket = 1; | |
279 | |
280 if (++i == sc->source->len) { | |
281 goto invalid_variable; | |
282 } | |
283 | |
284 name.data = &sc->source->data[i]; | |
285 | |
286 } else { | |
287 bracket = 0; | |
288 name.data = &sc->source->data[i]; | |
289 } | |
290 | |
291 for ( /* void */ ; i < sc->source->len; i++, name.len++) { | |
292 ch = sc->source->data[i]; | |
507 | 293 |
509 | 294 if (ch == '}' && bracket) { |
295 i++; | |
296 bracket = 0; | |
297 break; | |
298 } | |
299 | |
300 if ((ch >= 'A' && ch <= 'Z') | |
301 || (ch >= 'a' && ch <= 'z') | |
302 || (ch >= '0' && ch <= '9') | |
303 || ch == '_') | |
304 { | |
305 continue; | |
306 } | |
307 | |
308 break; | |
309 } | |
310 | |
311 if (bracket) { | |
312 ngx_conf_log_error(NGX_LOG_EMERG, sc->cf, 0, | |
313 "the closing bracket in \"%V\" " | |
314 "variable is missing", &name); | |
507 | 315 return NGX_ERROR; |
316 } | |
317 | |
509 | 318 if (name.len == 0) { |
319 goto invalid_variable; | |
320 } | |
507 | 321 |
509 | 322 sc->variables++; |
507 | 323 |
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324 if (ngx_http_script_add_var_code(sc, &name) != NGX_OK) { |
507 | 325 return NGX_ERROR; |
326 } | |
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327 |
509 | 328 continue; |
329 } | |
507 | 330 |
509 | 331 if (sc->source->data[i] == '?' && sc->compile_args) { |
332 sc->args = 1; | |
333 sc->compile_args = 0; | |
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334 |
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335 if (ngx_http_script_add_args_code(sc) != NGX_OK) { |
1891
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336 return NGX_ERROR; |
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337 } |
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338 |
509 | 339 i++; |
340 | |
507 | 341 continue; |
342 } | |
343 | |
509 | 344 name.data = &sc->source->data[i]; |
345 | |
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346 while (i < sc->source->len) { |
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347 |
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348 if (sc->source->data[i] == '$') { |
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349 break; |
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350 } |
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351 |
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352 if (sc->source->data[i] == '?') { |
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353 |
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354 sc->args = 1; |
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355 |
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356 if (sc->compile_args) { |
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357 break; |
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358 } |
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359 } |
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360 |
509 | 361 i++; |
362 name.len++; | |
363 } | |
364 | |
365 sc->size += name.len; | |
366 | |
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367 if (ngx_http_script_add_copy_code(sc, &name, (i == sc->source->len)) |
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368 != NGX_OK) |
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369 { |
509 | 370 return NGX_ERROR; |
371 } | |
507 | 372 } |
373 | |
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374 return ngx_http_script_done(sc); |
509 | 375 |
376 invalid_variable: | |
377 | |
378 ngx_conf_log_error(NGX_LOG_EMERG, sc->cf, 0, "invalid variable name"); | |
379 | |
380 return NGX_ERROR; | |
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381 } |
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382 |
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383 |
623 | 384 u_char * |
385 ngx_http_script_run(ngx_http_request_t *r, ngx_str_t *value, | |
386 void *code_lengths, size_t len, void *code_values) | |
387 { | |
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388 ngx_uint_t i; |
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389 ngx_http_script_code_pt code; |
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390 ngx_http_script_len_code_pt lcode; |
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391 ngx_http_script_engine_t e; |
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392 ngx_http_core_main_conf_t *cmcf; |
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393 |
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394 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); |
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395 |
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396 for (i = 0; i < cmcf->variables.nelts; i++) { |
1565 | 397 if (r->variables[i].no_cacheable) { |
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398 r->variables[i].valid = 0; |
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399 r->variables[i].not_found = 0; |
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400 } |
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401 } |
623 | 402 |
403 ngx_memzero(&e, sizeof(ngx_http_script_engine_t)); | |
404 | |
405 e.ip = code_lengths; | |
406 e.request = r; | |
407 e.flushed = 1; | |
408 | |
409 while (*(uintptr_t *) e.ip) { | |
410 lcode = *(ngx_http_script_len_code_pt *) e.ip; | |
411 len += lcode(&e); | |
412 } | |
413 | |
414 | |
415 value->len = len; | |
2049 | 416 value->data = ngx_pnalloc(r->pool, len); |
623 | 417 if (value->data == NULL) { |
418 return NULL; | |
419 } | |
420 | |
421 e.ip = code_values; | |
422 e.pos = value->data; | |
423 | |
424 while (*(uintptr_t *) e.ip) { | |
425 code = *(ngx_http_script_code_pt *) e.ip; | |
426 code((ngx_http_script_engine_t *) &e); | |
427 } | |
428 | |
429 return e.pos; | |
430 } | |
431 | |
432 | |
573 | 433 void |
1565 | 434 ngx_http_script_flush_no_cacheable_variables(ngx_http_request_t *r, |
573 | 435 ngx_array_t *indices) |
436 { | |
437 ngx_uint_t n, *index; | |
438 | |
439 if (indices) { | |
440 index = indices->elts; | |
441 for (n = 0; n < indices->nelts; n++) { | |
1565 | 442 if (r->variables[index[n]].no_cacheable) { |
573 | 443 r->variables[index[n]].valid = 0; |
444 r->variables[index[n]].not_found = 0; | |
445 } | |
446 } | |
447 } | |
448 } | |
449 | |
450 | |
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451 static ngx_int_t |
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452 ngx_http_script_init_arrays(ngx_http_script_compile_t *sc) |
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453 { |
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454 ngx_uint_t n; |
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455 |
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456 if (sc->flushes && *sc->flushes == NULL) { |
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457 n = sc->variables ? sc->variables : 1; |
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458 *sc->flushes = ngx_array_create(sc->cf->pool, n, sizeof(ngx_uint_t)); |
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459 if (*sc->flushes == NULL) { |
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460 return NGX_ERROR; |
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461 } |
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462 } |
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463 |
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464 if (*sc->lengths == NULL) { |
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465 n = sc->variables * (2 * sizeof(ngx_http_script_copy_code_t) |
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466 + sizeof(ngx_http_script_var_code_t)) |
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467 + sizeof(uintptr_t); |
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468 |
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469 *sc->lengths = ngx_array_create(sc->cf->pool, n, 1); |
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470 if (*sc->lengths == NULL) { |
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471 return NGX_ERROR; |
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472 } |
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473 } |
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474 |
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475 if (*sc->values == NULL) { |
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476 n = (sc->variables * (2 * sizeof(ngx_http_script_copy_code_t) |
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477 + sizeof(ngx_http_script_var_code_t)) |
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478 + sizeof(uintptr_t) |
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479 + sc->source->len |
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480 + sizeof(uintptr_t) - 1) |
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481 & ~(sizeof(uintptr_t) - 1); |
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482 |
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483 *sc->values = ngx_array_create(sc->cf->pool, n, 1); |
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484 if (*sc->values == NULL) { |
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485 return NGX_ERROR; |
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486 } |
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487 } |
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488 |
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489 sc->variables = 0; |
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490 |
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491 return NGX_OK; |
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492 } |
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493 |
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494 |
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495 static ngx_int_t |
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496 ngx_http_script_done(ngx_http_script_compile_t *sc) |
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497 { |
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498 ngx_str_t zero; |
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499 uintptr_t *code; |
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500 |
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501 if (sc->zero) { |
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502 |
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503 zero.len = 1; |
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504 zero.data = (u_char *) "\0"; |
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505 |
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506 if (ngx_http_script_add_copy_code(sc, &zero, 0) != NGX_OK) { |
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507 return NGX_ERROR; |
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508 } |
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509 } |
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510 |
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511 if (sc->conf_prefix || sc->root_prefix) { |
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512 if (ngx_http_script_add_full_name_code(sc) != NGX_OK) { |
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513 return NGX_ERROR; |
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514 } |
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515 } |
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516 |
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517 if (sc->complete_lengths) { |
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518 code = ngx_http_script_add_code(*sc->lengths, sizeof(uintptr_t), NULL); |
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519 if (code == NULL) { |
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520 return NGX_ERROR; |
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521 } |
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522 |
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523 *code = (uintptr_t) NULL; |
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524 } |
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525 |
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526 if (sc->complete_values) { |
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527 code = ngx_http_script_add_code(*sc->values, sizeof(uintptr_t), |
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528 &sc->main); |
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529 if (code == NULL) { |
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530 return NGX_ERROR; |
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531 } |
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532 |
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533 *code = (uintptr_t) NULL; |
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534 } |
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535 |
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536 return NGX_OK; |
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537 } |
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538 |
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539 |
509 | 540 void * |
507 | 541 ngx_http_script_start_code(ngx_pool_t *pool, ngx_array_t **codes, size_t size) |
479 | 542 { |
507 | 543 if (*codes == NULL) { |
544 *codes = ngx_array_create(pool, 256, 1); | |
545 if (*codes == NULL) { | |
546 return NULL; | |
547 } | |
548 } | |
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549 |
507 | 550 return ngx_array_push_n(*codes, size); |
551 } | |
552 | |
509 | 553 |
554 void * | |
555 ngx_http_script_add_code(ngx_array_t *codes, size_t size, void *code) | |
556 { | |
557 u_char *elts, **p; | |
558 void *new; | |
559 | |
560 elts = codes->elts; | |
561 | |
562 new = ngx_array_push_n(codes, size); | |
563 if (new == NULL) { | |
564 return NGX_CONF_ERROR; | |
565 } | |
566 | |
567 if (code) { | |
568 if (elts != codes->elts) { | |
569 p = code; | |
570 *p += (u_char *) codes->elts - elts; | |
571 } | |
572 } | |
573 | |
574 return new; | |
575 } | |
507 | 576 |
479 | 577 |
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578 static ngx_int_t |
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579 ngx_http_script_add_copy_code(ngx_http_script_compile_t *sc, ngx_str_t *value, |
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580 ngx_uint_t last) |
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581 { |
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582 u_char *p; |
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583 size_t size, len, zero; |
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584 ngx_http_script_copy_code_t *code; |
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585 |
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586 zero = (sc->zero && last); |
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587 len = value->len + zero; |
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588 |
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589 code = ngx_http_script_add_code(*sc->lengths, |
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590 sizeof(ngx_http_script_copy_code_t), NULL); |
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591 if (code == NULL) { |
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592 return NGX_ERROR; |
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593 } |
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594 |
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595 code->code = (ngx_http_script_code_pt) ngx_http_script_copy_len_code; |
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596 code->len = len; |
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597 |
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598 size = (sizeof(ngx_http_script_copy_code_t) + len + sizeof(uintptr_t) - 1) |
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599 & ~(sizeof(uintptr_t) - 1); |
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600 |
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601 code = ngx_http_script_add_code(*sc->values, size, &sc->main); |
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602 if (code == NULL) { |
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603 return NGX_ERROR; |
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604 } |
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605 |
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606 code->code = ngx_http_script_copy_code; |
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607 code->len = len; |
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608 |
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609 p = ngx_cpymem((u_char *) code + sizeof(ngx_http_script_copy_code_t), |
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610 value->data, value->len); |
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611 |
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612 if (zero) { |
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613 *p = '\0'; |
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614 sc->zero = 0; |
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615 } |
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616 |
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617 return NGX_OK; |
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618 } |
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619 |
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620 |
507 | 621 size_t |
509 | 622 ngx_http_script_copy_len_code(ngx_http_script_engine_t *e) |
507 | 623 { |
624 ngx_http_script_copy_code_t *code; | |
479 | 625 |
509 | 626 code = (ngx_http_script_copy_code_t *) e->ip; |
507 | 627 |
509 | 628 e->ip += sizeof(ngx_http_script_copy_code_t); |
507 | 629 |
630 return code->len; | |
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631 } |
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632 |
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633 |
507 | 634 void |
509 | 635 ngx_http_script_copy_code(ngx_http_script_engine_t *e) |
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636 { |
2393 | 637 u_char *p; |
507 | 638 ngx_http_script_copy_code_t *code; |
639 | |
509 | 640 code = (ngx_http_script_copy_code_t *) e->ip; |
641 | |
2393 | 642 p = e->pos; |
643 | |
509 | 644 if (!e->skip) { |
2393 | 645 e->pos = ngx_copy(p, e->ip + sizeof(ngx_http_script_copy_code_t), |
573 | 646 code->len); |
509 | 647 } |
507 | 648 |
509 | 649 e->ip += sizeof(ngx_http_script_copy_code_t) |
650 + ((code->len + sizeof(uintptr_t) - 1) & ~(sizeof(uintptr_t) - 1)); | |
507 | 651 |
2393 | 652 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, |
653 "http script copy: \"%*s\"", e->pos - p, p); | |
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654 } |
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655 |
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656 |
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657 static ngx_int_t |
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658 ngx_http_script_add_var_code(ngx_http_script_compile_t *sc, ngx_str_t *name) |
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659 { |
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660 ngx_int_t index, *p; |
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661 ngx_http_script_var_code_t *code; |
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662 |
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663 index = ngx_http_get_variable_index(sc->cf, name); |
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664 |
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665 if (index == NGX_ERROR) { |
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666 return NGX_ERROR; |
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667 } |
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668 |
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669 if (sc->flushes) { |
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670 p = ngx_array_push(*sc->flushes); |
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671 if (p == NULL) { |
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672 return NGX_ERROR; |
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673 } |
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674 |
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675 *p = index; |
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676 } |
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677 |
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678 code = ngx_http_script_add_code(*sc->lengths, |
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679 sizeof(ngx_http_script_var_code_t), NULL); |
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680 if (code == NULL) { |
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681 return NGX_ERROR; |
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682 } |
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683 |
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684 code->code = (ngx_http_script_code_pt) ngx_http_script_copy_var_len_code; |
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685 code->index = (uintptr_t) index; |
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686 |
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687 code = ngx_http_script_add_code(*sc->values, |
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688 sizeof(ngx_http_script_var_code_t), |
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689 &sc->main); |
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690 if (code == NULL) { |
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691 return NGX_ERROR; |
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692 } |
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693 |
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694 code->code = ngx_http_script_copy_var_code; |
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695 code->index = (uintptr_t) index; |
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696 |
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697 return NGX_OK; |
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698 } |
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699 |
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700 |
507 | 701 size_t |
509 | 702 ngx_http_script_copy_var_len_code(ngx_http_script_engine_t *e) |
99
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703 { |
507 | 704 ngx_http_variable_value_t *value; |
705 ngx_http_script_var_code_t *code; | |
706 | |
509 | 707 code = (ngx_http_script_var_code_t *) e->ip; |
507 | 708 |
509 | 709 e->ip += sizeof(ngx_http_script_var_code_t); |
507 | 710 |
573 | 711 if (e->flushed) { |
712 value = ngx_http_get_indexed_variable(e->request, code->index); | |
507 | 713 |
573 | 714 } else { |
715 value = ngx_http_get_flushed_variable(e->request, code->index); | |
716 } | |
717 | |
718 if (value && !value->not_found) { | |
719 return value->len; | |
507 | 720 } |
721 | |
553 | 722 return 0; |
99
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723 } |
479 | 724 |
725 | |
507 | 726 void |
509 | 727 ngx_http_script_copy_var_code(ngx_http_script_engine_t *e) |
479 | 728 { |
2393 | 729 u_char *p; |
507 | 730 ngx_http_variable_value_t *value; |
731 ngx_http_script_var_code_t *code; | |
732 | |
509 | 733 code = (ngx_http_script_var_code_t *) e->ip; |
734 | |
735 e->ip += sizeof(ngx_http_script_var_code_t); | |
736 | |
737 if (!e->skip) { | |
573 | 738 |
739 if (e->flushed) { | |
740 value = ngx_http_get_indexed_variable(e->request, code->index); | |
509 | 741 |
573 | 742 } else { |
743 value = ngx_http_get_flushed_variable(e->request, code->index); | |
744 } | |
745 | |
746 if (value && !value->not_found) { | |
2393 | 747 p = e->pos; |
748 e->pos = ngx_copy(p, value->data, value->len); | |
509 | 749 |
2393 | 750 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, |
845
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751 e->request->connection->log, 0, |
2393 | 752 "http script var: \"%*s\"", e->pos - p, p); |
509 | 753 } |
754 } | |
755 } | |
756 | |
757 | |
2577
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758 static ngx_int_t |
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759 ngx_http_script_add_args_code(ngx_http_script_compile_t *sc) |
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760 { |
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761 uintptr_t *code; |
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762 |
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763 code = ngx_http_script_add_code(*sc->lengths, sizeof(uintptr_t), NULL); |
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764 if (code == NULL) { |
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765 return NGX_ERROR; |
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766 } |
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767 |
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768 *code = (uintptr_t) ngx_http_script_mark_args_code; |
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769 |
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770 code = ngx_http_script_add_code(*sc->values, sizeof(uintptr_t), &sc->main); |
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771 if (code == NULL) { |
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772 return NGX_ERROR; |
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773 } |
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774 |
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775 *code = (uintptr_t) ngx_http_script_start_args_code; |
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776 |
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777 return NGX_OK; |
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778 } |
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|
779 |
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780 |
509 | 781 size_t |
1891
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782 ngx_http_script_mark_args_code(ngx_http_script_engine_t *e) |
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783 { |
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784 e->is_args = 1; |
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785 e->ip += sizeof(uintptr_t); |
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786 |
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|
787 return 1; |
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|
788 } |
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|
789 |
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|
790 |
509 | 791 void |
792 ngx_http_script_start_args_code(ngx_http_script_engine_t *e) | |
793 { | |
794 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
795 "http script args"); | |
577 | 796 |
2225
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797 e->is_args = 1; |
509 | 798 e->args = e->pos; |
799 e->ip += sizeof(uintptr_t); | |
800 } | |
801 | |
802 | |
517 | 803 #if (NGX_PCRE) |
804 | |
509 | 805 void |
806 ngx_http_script_regex_start_code(ngx_http_script_engine_t *e) | |
807 { | |
808 size_t len; | |
809 ngx_int_t rc; | |
810 ngx_uint_t n; | |
811 ngx_http_request_t *r; | |
812 ngx_http_script_engine_t le; | |
813 ngx_http_script_len_code_pt lcode; | |
814 ngx_http_script_regex_code_t *code; | |
815 | |
816 code = (ngx_http_script_regex_code_t *) e->ip; | |
817 | |
818 r = e->request; | |
819 | |
820 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
821 "http script regex: \"%V\"", &code->name); | |
822 | |
823 if (code->uri) { | |
515 | 824 e->line = r->uri; |
509 | 825 } else { |
826 e->sp--; | |
573 | 827 e->line.len = e->sp->len; |
828 e->line.data = e->sp->data; | |
509 | 829 } |
507 | 830 |
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831 if (code->ncaptures && r->captures == NULL) { |
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832 |
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833 r->captures = ngx_palloc(r->pool, |
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834 (NGX_HTTP_MAX_CAPTURES + 1) * 3 * sizeof(int)); |
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835 if (r->captures == NULL) { |
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836 e->ip = ngx_http_script_exit; |
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837 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; |
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838 return; |
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|
839 } |
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840 } |
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841 |
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842 rc = ngx_regex_exec(code->regex, &e->line, r->captures, code->ncaptures); |
509 | 843 |
844 if (rc == NGX_REGEX_NO_MATCHED) { | |
2397 | 845 if (e->log || (r->connection->log->log_level & NGX_LOG_DEBUG_HTTP)) { |
509 | 846 ngx_log_error(NGX_LOG_NOTICE, r->connection->log, 0, |
515 | 847 "\"%V\" does not match \"%V\"", |
848 &code->name, &e->line); | |
509 | 849 } |
850 | |
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851 r->ncaptures = 0; |
515 | 852 |
509 | 853 if (code->test) { |
631 | 854 if (code->negative_test) { |
855 e->sp->len = 1; | |
856 e->sp->data = (u_char *) "1"; | |
857 | |
858 } else { | |
859 e->sp->len = 0; | |
860 e->sp->data = (u_char *) ""; | |
861 } | |
862 | |
509 | 863 e->sp++; |
864 | |
865 e->ip += sizeof(ngx_http_script_regex_code_t); | |
866 return; | |
867 } | |
868 | |
869 e->ip += code->next; | |
870 return; | |
871 } | |
872 | |
873 if (rc < 0) { | |
874 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, | |
875 ngx_regex_exec_n " failed: %d on \"%V\" using \"%V\"", | |
515 | 876 rc, &e->line, &code->name); |
509 | 877 |
878 e->ip = ngx_http_script_exit; | |
879 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
880 return; | |
881 } | |
882 | |
2397 | 883 if (e->log || (r->connection->log->log_level & NGX_LOG_DEBUG_HTTP)) { |
509 | 884 ngx_log_error(NGX_LOG_NOTICE, r->connection->log, 0, |
515 | 885 "\"%V\" matches \"%V\"", &code->name, &e->line); |
509 | 886 } |
887 | |
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888 r->ncaptures = code->ncaptures; |
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889 r->captures_data = e->line.data; |
515 | 890 |
509 | 891 if (code->test) { |
631 | 892 if (code->negative_test) { |
893 e->sp->len = 0; | |
894 e->sp->data = (u_char *) ""; | |
895 | |
896 } else { | |
897 e->sp->len = 1; | |
898 e->sp->data = (u_char *) "1"; | |
899 } | |
900 | |
509 | 901 e->sp++; |
902 | |
903 e->ip += sizeof(ngx_http_script_regex_code_t); | |
904 return; | |
905 } | |
906 | |
907 if (code->status) { | |
908 e->status = code->status; | |
507 | 909 |
509 | 910 if (!code->redirect) { |
911 e->ip = ngx_http_script_exit; | |
912 return; | |
913 } | |
914 } | |
915 | |
916 if (code->uri) { | |
917 r->internal = 1; | |
918 r->valid_unparsed_uri = 0; | |
919 | |
920 if (code->break_cycle) { | |
921 r->valid_location = 0; | |
527 | 922 r->uri_changed = 0; |
509 | 923 |
924 } else { | |
925 r->uri_changed = 1; | |
926 } | |
927 } | |
928 | |
929 if (code->lengths == NULL) { | |
930 e->buf.len = code->size; | |
931 | |
932 if (code->uri) { | |
933 if (rc && (r->quoted_uri || r->plus_in_uri)) { | |
934 e->buf.len += 2 * ngx_escape_uri(NULL, r->uri.data, r->uri.len, | |
935 NGX_ESCAPE_ARGS); | |
936 } | |
937 } | |
938 | |
939 for (n = 1; n < (ngx_uint_t) rc; n++) { | |
2547
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940 e->buf.len += r->captures[2 * n + 1] - r->captures[2 * n]; |
509 | 941 } |
942 | |
943 } else { | |
944 ngx_memzero(&le, sizeof(ngx_http_script_engine_t)); | |
945 | |
946 le.ip = code->lengths->elts; | |
679 | 947 le.line = e->line; |
509 | 948 le.request = r; |
679 | 949 le.quote = code->redirect; |
509 | 950 |
1891
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951 len = 0; |
509 | 952 |
953 while (*(uintptr_t *) le.ip) { | |
954 lcode = *(ngx_http_script_len_code_pt *) le.ip; | |
955 len += lcode(&le); | |
956 } | |
957 | |
958 e->buf.len = len; | |
1891
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959 e->is_args = le.is_args; |
509 | 960 } |
961 | |
515 | 962 if (code->add_args && r->args.len) { |
509 | 963 e->buf.len += r->args.len + 1; |
964 } | |
965 | |
2049 | 966 e->buf.data = ngx_pnalloc(r->pool, e->buf.len); |
509 | 967 if (e->buf.data == NULL) { |
968 e->ip = ngx_http_script_exit; | |
969 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
507 | 970 return; |
971 } | |
972 | |
509 | 973 e->quote = code->redirect; |
974 | |
975 e->pos = e->buf.data; | |
976 | |
977 e->ip += sizeof(ngx_http_script_regex_code_t); | |
978 } | |
979 | |
980 | |
981 void | |
982 ngx_http_script_regex_end_code(ngx_http_script_engine_t *e) | |
983 { | |
577 | 984 u_char *dst, *src; |
509 | 985 ngx_http_request_t *r; |
986 ngx_http_script_regex_end_code_t *code; | |
987 | |
988 code = (ngx_http_script_regex_end_code_t *) e->ip; | |
989 | |
990 r = e->request; | |
991 | |
992 e->quote = 0; | |
993 | |
994 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
995 "http script regex end"); | |
996 | |
997 if (code->redirect) { | |
998 | |
577 | 999 dst = e->buf.data; |
1000 src = e->buf.data; | |
1001 | |
1593 | 1002 ngx_unescape_uri(&dst, &src, e->pos - e->buf.data, |
1003 NGX_UNESCAPE_REDIRECT); | |
577 | 1004 |
1005 if (src < e->pos) { | |
1006 dst = ngx_copy(dst, src, e->pos - src); | |
1007 } | |
1008 | |
1009 e->pos = dst; | |
1010 | |
1011 if (code->add_args && r->args.len) { | |
509 | 1012 *e->pos++ = (u_char) (code->args ? '&' : '?'); |
573 | 1013 e->pos = ngx_copy(e->pos, r->args.data, r->args.len); |
509 | 1014 } |
1015 | |
1016 e->buf.len = e->pos - e->buf.data; | |
1017 | |
2397 | 1018 if (e->log || (r->connection->log->log_level & NGX_LOG_DEBUG_HTTP)) { |
509 | 1019 ngx_log_error(NGX_LOG_NOTICE, r->connection->log, 0, |
1020 "rewritten redirect: \"%V\"", &e->buf); | |
1021 } | |
1022 | |
1023 r->headers_out.location = ngx_list_push(&r->headers_out.headers); | |
1024 if (r->headers_out.location == NULL) { | |
1025 e->ip = ngx_http_script_exit; | |
1026 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
1027 return; | |
1028 } | |
1029 | |
577 | 1030 r->headers_out.location->hash = 1; |
509 | 1031 r->headers_out.location->key.len = sizeof("Location") - 1; |
1032 r->headers_out.location->key.data = (u_char *) "Location"; | |
1033 r->headers_out.location->value = e->buf; | |
1034 | |
1035 e->ip += sizeof(ngx_http_script_regex_end_code_t); | |
1036 return; | |
1037 } | |
1038 | |
577 | 1039 if (e->args) { |
509 | 1040 e->buf.len = e->args - e->buf.data; |
1041 | |
1042 if (code->add_args && r->args.len) { | |
1043 *e->pos++ = '&'; | |
573 | 1044 e->pos = ngx_copy(e->pos, r->args.data, r->args.len); |
509 | 1045 } |
1046 | |
1047 r->args.len = e->pos - e->args; | |
1048 r->args.data = e->args; | |
1049 | |
1050 e->args = NULL; | |
1051 | |
1052 } else { | |
1053 e->buf.len = e->pos - e->buf.data; | |
673 | 1054 |
1055 if (!code->add_args) { | |
1056 r->args.len = 0; | |
1057 } | |
509 | 1058 } |
1059 | |
2397 | 1060 if (e->log || (r->connection->log->log_level & NGX_LOG_DEBUG_HTTP)) { |
509 | 1061 ngx_log_error(NGX_LOG_NOTICE, r->connection->log, 0, |
1062 "rewritten data: \"%V\", args: \"%V\"", | |
1063 &e->buf, &r->args); | |
1064 } | |
1065 | |
1066 if (code->uri) { | |
1067 r->uri = e->buf; | |
1068 | |
535 | 1069 if (r->uri.len == 0) { |
1070 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
1071 "the rewritten URI has a zero length"); | |
1072 e->ip = ngx_http_script_exit; | |
1073 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
1074 return; | |
1075 } | |
1076 | |
509 | 1077 if (ngx_http_set_exten(r) != NGX_OK) { |
1078 e->ip = ngx_http_script_exit; | |
1079 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
1080 return; | |
1081 } | |
1082 } | |
1083 | |
1084 e->ip += sizeof(ngx_http_script_regex_end_code_t); | |
1085 } | |
1086 | |
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1087 |
2577
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1088 static ngx_int_t |
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1089 ngx_http_script_add_capture_code(ngx_http_script_compile_t *sc, ngx_uint_t n) |
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1090 { |
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1091 ngx_http_script_copy_capture_code_t *code; |
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1092 |
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1093 code = ngx_http_script_add_code(*sc->lengths, |
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1094 sizeof(ngx_http_script_copy_capture_code_t), |
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1095 NULL); |
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1096 if (code == NULL) { |
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1097 return NGX_ERROR; |
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1098 } |
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1099 |
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1100 code->code = (ngx_http_script_code_pt) |
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1101 ngx_http_script_copy_capture_len_code; |
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1102 code->n = 2 * n; |
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1103 |
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1104 |
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1105 code = ngx_http_script_add_code(*sc->values, |
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1106 sizeof(ngx_http_script_copy_capture_code_t), |
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1107 &sc->main); |
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1108 if (code == NULL) { |
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1109 return NGX_ERROR; |
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1110 } |
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1111 |
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1112 code->code = ngx_http_script_copy_capture_code; |
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1113 code->n = 2 * n; |
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1114 |
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1115 if (sc->ncaptures < n) { |
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1116 sc->ncaptures = n; |
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1117 } |
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1118 |
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1119 return NGX_OK; |
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1120 } |
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1121 |
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1122 |
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1123 size_t |
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1124 ngx_http_script_copy_capture_len_code(ngx_http_script_engine_t *e) |
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1125 { |
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1126 int *cap; |
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1127 u_char *p; |
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1128 ngx_uint_t n; |
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1129 ngx_http_request_t *r; |
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1130 ngx_http_script_copy_capture_code_t *code; |
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1131 |
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1132 r = e->request; |
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1133 |
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1134 code = (ngx_http_script_copy_capture_code_t *) e->ip; |
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1135 |
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1136 e->ip += sizeof(ngx_http_script_copy_capture_code_t); |
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1137 |
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1138 n = code->n; |
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1139 |
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1140 if (n < r->ncaptures) { |
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1141 |
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1142 cap = r->captures; |
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1143 |
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1144 if ((e->is_args || e->quote) |
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1145 && (e->request->quoted_uri || e->request->plus_in_uri)) |
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1146 { |
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1147 p = r->captures_data; |
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1148 |
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1149 return cap[n + 1] - cap[n] |
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1150 + 2 * ngx_escape_uri(NULL, &p[cap[n]], cap[n + 1] - cap[n], |
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1151 NGX_ESCAPE_ARGS); |
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1152 } else { |
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1153 return cap[n + 1] - cap[n]; |
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1154 } |
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1155 } |
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1156 |
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1157 return 0; |
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1158 } |
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1159 |
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1160 |
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|
1161 void |
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1162 ngx_http_script_copy_capture_code(ngx_http_script_engine_t *e) |
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1163 { |
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1164 int *cap; |
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1165 u_char *p, *pos; |
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1166 ngx_uint_t n; |
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1167 ngx_http_request_t *r; |
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1168 ngx_http_script_copy_capture_code_t *code; |
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1169 |
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1170 r = e->request; |
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1171 |
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1172 code = (ngx_http_script_copy_capture_code_t *) e->ip; |
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1173 |
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1174 e->ip += sizeof(ngx_http_script_copy_capture_code_t); |
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1175 |
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1176 n = code->n; |
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1177 |
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1178 pos = e->pos; |
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1179 |
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1180 if (n < r->ncaptures) { |
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1181 |
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1182 cap = r->captures; |
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1183 p = r->captures_data; |
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1184 |
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1185 if ((e->is_args || e->quote) |
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1186 && (e->request->quoted_uri || e->request->plus_in_uri)) |
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1187 { |
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1188 e->pos = (u_char *) ngx_escape_uri(pos, &p[cap[n]], |
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1189 cap[n + 1] - cap[n], |
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1190 NGX_ESCAPE_ARGS); |
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1191 } else { |
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1192 e->pos = ngx_copy(pos, &p[cap[n]], cap[n + 1] - cap[n]); |
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1193 } |
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1194 } |
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1195 |
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1196 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, |
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1197 "http script capture: \"%*s\"", e->pos - pos, pos); |
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1198 } |
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1199 |
517 | 1200 #endif |
1201 | |
509 | 1202 |
2587
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1203 static ngx_int_t |
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1204 ngx_http_script_add_full_name_code(ngx_http_script_compile_t *sc) |
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1205 { |
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1206 ngx_http_script_full_name_code_t *code; |
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1207 |
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1208 code = ngx_http_script_add_code(*sc->lengths, |
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1209 sizeof(ngx_http_script_full_name_code_t), |
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1210 NULL); |
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1211 if (code == NULL) { |
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1212 return NGX_ERROR; |
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1213 } |
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1214 |
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1215 code->code = (ngx_http_script_code_pt) ngx_http_script_full_name_len_code; |
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1216 code->prefix = sc->conf_prefix; |
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1217 |
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1218 code = ngx_http_script_add_code(*sc->values, |
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1219 sizeof(ngx_http_script_full_name_code_t), |
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1220 &sc->main); |
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1221 if (code == NULL) { |
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1222 return NGX_ERROR; |
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1223 } |
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1224 |
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1225 code->code = ngx_http_script_full_name_code; |
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1226 code->prefix = sc->conf_prefix; |
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1227 |
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1228 return NGX_OK; |
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1229 } |
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1230 |
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1231 |
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1232 static size_t |
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1233 ngx_http_script_full_name_len_code(ngx_http_script_engine_t *e) |
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1234 { |
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1235 ngx_http_script_full_name_code_t *code; |
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1236 |
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1237 code = (ngx_http_script_full_name_code_t *) e->ip; |
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1238 |
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1239 e->ip += sizeof(ngx_http_script_full_name_code_t); |
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1240 |
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1241 return code->prefix ? sizeof(NGX_CONF_PREFIX) : ngx_cycle->root.len; |
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1242 } |
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1243 |
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1244 |
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1245 static void |
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1246 ngx_http_script_full_name_code(ngx_http_script_engine_t *e) |
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1247 { |
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1248 ngx_http_script_full_name_code_t *code; |
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1249 |
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1250 ngx_str_t value; |
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1251 |
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1252 code = (ngx_http_script_full_name_code_t *) e->ip; |
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1253 |
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1254 value.data = e->buf.data; |
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1255 value.len = e->pos - e->buf.data; |
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1256 |
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1257 if (ngx_conf_full_name((ngx_cycle_t *) ngx_cycle, &value, code->prefix) |
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1258 != NGX_OK) |
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1259 { |
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1260 e->ip = ngx_http_script_exit; |
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1261 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; |
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1262 return; |
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1263 } |
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1264 |
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1265 e->buf = value; |
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1266 |
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1267 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, |
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1268 "http script fullname: \"%V\"", &value); |
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1269 |
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1270 e->ip += sizeof(ngx_http_script_full_name_code_t); |
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1271 } |
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1272 |
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1273 |
509 | 1274 void |
1275 ngx_http_script_return_code(ngx_http_script_engine_t *e) | |
577 | 1276 { |
509 | 1277 ngx_http_script_return_code_t *code; |
577 | 1278 |
509 | 1279 code = (ngx_http_script_return_code_t *) e->ip; |
1280 | |
1281 e->status = code->status; | |
1282 | |
653 | 1283 if (code->status == NGX_HTTP_NO_CONTENT) { |
1284 e->request->header_only = 1; | |
730
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1285 e->request->zero_body = 1; |
653 | 1286 } |
1287 | |
509 | 1288 e->ip += sizeof(ngx_http_script_return_code_t) - sizeof(uintptr_t); |
479 | 1289 } |
509 | 1290 |
1291 | |
1292 void | |
527 | 1293 ngx_http_script_break_code(ngx_http_script_engine_t *e) |
1294 { | |
1295 e->request->uri_changed = 0; | |
1296 | |
1297 e->ip = ngx_http_script_exit; | |
1298 } | |
1299 | |
1300 | |
1301 void | |
509 | 1302 ngx_http_script_if_code(ngx_http_script_engine_t *e) |
1303 { | |
1304 ngx_http_script_if_code_t *code; | |
1305 | |
1306 code = (ngx_http_script_if_code_t *) e->ip; | |
1307 | |
1308 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
1309 "http script if"); | |
1310 | |
1311 e->sp--; | |
1312 | |
573 | 1313 if (e->sp->len && e->sp->data[0] != '0') { |
509 | 1314 if (code->loc_conf) { |
1315 e->request->loc_conf = code->loc_conf; | |
535 | 1316 ngx_http_update_location_config(e->request); |
509 | 1317 } |
1318 | |
1319 e->ip += sizeof(ngx_http_script_if_code_t); | |
1320 return; | |
1321 } | |
1322 | |
1323 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
577 | 1324 "http script if: false"); |
509 | 1325 |
1326 e->ip += code->next; | |
1327 } | |
1328 | |
1329 | |
1330 void | |
577 | 1331 ngx_http_script_equal_code(ngx_http_script_engine_t *e) |
1332 { | |
1333 ngx_http_variable_value_t *val, *res; | |
1334 | |
1335 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
1336 "http script equal"); | |
1337 | |
1338 e->sp--; | |
1339 val = e->sp; | |
1340 res = e->sp - 1; | |
1341 | |
1342 e->ip += sizeof(uintptr_t); | |
1343 | |
2393 | 1344 if (val->len == res->len |
1345 && ngx_strncmp(val->data, res->data, res->len) == 0) | |
577 | 1346 { |
1347 *res = ngx_http_variable_true_value; | |
1348 return; | |
1349 } | |
1350 | |
1351 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
1352 "http script equal: no"); | |
1353 | |
1354 *res = ngx_http_variable_null_value; | |
1355 } | |
1356 | |
1357 | |
1358 void | |
1359 ngx_http_script_not_equal_code(ngx_http_script_engine_t *e) | |
1360 { | |
1361 ngx_http_variable_value_t *val, *res; | |
1362 | |
1363 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
1364 "http script not equal"); | |
1365 | |
1366 e->sp--; | |
1367 val = e->sp; | |
1368 res = e->sp - 1; | |
1369 | |
1370 e->ip += sizeof(uintptr_t); | |
1371 | |
2393 | 1372 if (val->len == res->len |
1373 && ngx_strncmp(val->data, res->data, res->len) == 0) | |
577 | 1374 { |
1375 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
1376 "http script not equal: no"); | |
1377 | |
1378 *res = ngx_http_variable_null_value; | |
1379 return; | |
1380 } | |
1381 | |
1382 *res = ngx_http_variable_true_value; | |
1383 } | |
1384 | |
1385 | |
1386 void | |
631 | 1387 ngx_http_script_file_code(ngx_http_script_engine_t *e) |
1388 { | |
1454 | 1389 ngx_str_t path; |
1390 ngx_http_request_t *r; | |
1391 ngx_open_file_info_t of; | |
1392 ngx_http_core_loc_conf_t *clcf; | |
631 | 1393 ngx_http_variable_value_t *value; |
1394 ngx_http_script_file_code_t *code; | |
1395 | |
1396 value = e->sp - 1; | |
1397 | |
1398 code = (ngx_http_script_file_code_t *) e->ip; | |
1399 e->ip += sizeof(ngx_http_script_file_code_t); | |
1400 | |
1454 | 1401 path.len = value->len - 1; |
1402 path.data = value->data; | |
1403 | |
1404 r = e->request; | |
1405 | |
1406 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
1407 "http script file op %p \"%V\"", code->op, &path); | |
1408 | |
1409 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
631 | 1410 |
2068
75a8d34459c5
ngx_memzero() ngx_open_file_info_t
Igor Sysoev <igor@sysoev.ru>
parents:
2063
diff
changeset
|
1411 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
|
1412 |
2129 | 1413 of.directio = clcf->directio; |
1767
c42431762903
open_file_cache_retest > open_file_cache_valid
Igor Sysoev <igor@sysoev.ru>
parents:
1593
diff
changeset
|
1414 of.valid = clcf->open_file_cache_valid; |
1772 | 1415 of.min_uses = clcf->open_file_cache_min_uses; |
1454 | 1416 of.errors = clcf->open_file_cache_errors; |
1457 | 1417 of.events = clcf->open_file_cache_events; |
631 | 1418 |
1454 | 1419 if (ngx_open_cached_file(clcf->open_file_cache, &path, &of, r->pool) |
1799 | 1420 != NGX_OK) |
1454 | 1421 { |
1422 if (of.err != NGX_ENOENT && of.err != NGX_ENOTDIR) { | |
1423 ngx_log_error(NGX_LOG_CRIT, r->connection->log, of.err, | |
631 | 1424 ngx_file_info_n " \"%s\" failed", value->data); |
1425 } | |
1426 | |
1427 switch (code->op) { | |
671 | 1428 |
631 | 1429 case ngx_http_script_file_plain: |
669 | 1430 case ngx_http_script_file_dir: |
1431 case ngx_http_script_file_exists: | |
1432 case ngx_http_script_file_exec: | |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1433 goto false_value; |
671 | 1434 |
631 | 1435 case ngx_http_script_file_not_plain: |
669 | 1436 case ngx_http_script_file_not_dir: |
671 | 1437 case ngx_http_script_file_not_exists: |
669 | 1438 case ngx_http_script_file_not_exec: |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1439 goto true_value; |
631 | 1440 } |
1441 | |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1442 goto false_value; |
631 | 1443 } |
1444 | |
1445 switch (code->op) { | |
1446 case ngx_http_script_file_plain: | |
1454 | 1447 if (of.is_file) { |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1448 goto true_value; |
631 | 1449 } |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1450 goto false_value; |
631 | 1451 |
1452 case ngx_http_script_file_not_plain: | |
1454 | 1453 if (of.is_file) { |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1454 goto false_value; |
631 | 1455 } |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1456 goto true_value; |
669 | 1457 |
1458 case ngx_http_script_file_dir: | |
1454 | 1459 if (of.is_dir) { |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1460 goto true_value; |
669 | 1461 } |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1462 goto false_value; |
669 | 1463 |
1464 case ngx_http_script_file_not_dir: | |
1454 | 1465 if (of.is_dir) { |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1466 goto false_value; |
669 | 1467 } |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1468 goto true_value; |
669 | 1469 |
1470 case ngx_http_script_file_exists: | |
1454 | 1471 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
|
1472 goto true_value; |
669 | 1473 } |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1474 goto false_value; |
669 | 1475 |
1476 case ngx_http_script_file_not_exists: | |
1454 | 1477 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
|
1478 goto false_value; |
669 | 1479 } |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1480 goto true_value; |
669 | 1481 |
1482 case ngx_http_script_file_exec: | |
1454 | 1483 if (of.is_exec) { |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1484 goto true_value; |
669 | 1485 } |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1486 goto false_value; |
669 | 1487 |
1488 case ngx_http_script_file_not_exec: | |
1454 | 1489 if (of.is_exec) { |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1490 goto false_value; |
669 | 1491 } |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1492 goto true_value; |
631 | 1493 } |
1494 | |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1495 false_value: |
631 | 1496 |
1454 | 1497 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
631 | 1498 "http script file op false"); |
1499 | |
1500 *value = ngx_http_variable_null_value; | |
1501 return; | |
1502 | |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1503 true_value: |
631 | 1504 |
1505 *value = ngx_http_variable_true_value; | |
1506 return; | |
1507 } | |
1508 | |
1509 | |
1510 void | |
515 | 1511 ngx_http_script_complex_value_code(ngx_http_script_engine_t *e) |
1512 { | |
1513 size_t len; | |
1514 ngx_http_script_engine_t le; | |
1515 ngx_http_script_len_code_pt lcode; | |
1516 ngx_http_script_complex_value_code_t *code; | |
1517 | |
1518 code = (ngx_http_script_complex_value_code_t *) e->ip; | |
1519 | |
1520 e->ip += sizeof(ngx_http_script_complex_value_code_t); | |
1521 | |
1522 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
1523 "http script complex value"); | |
1524 | |
1525 ngx_memzero(&le, sizeof(ngx_http_script_engine_t)); | |
1526 | |
1527 le.ip = code->lengths->elts; | |
655 | 1528 le.line = e->line; |
515 | 1529 le.request = e->request; |
655 | 1530 le.quote = e->quote; |
515 | 1531 |
1532 for (len = 0; *(uintptr_t *) le.ip; len += lcode(&le)) { | |
1533 lcode = *(ngx_http_script_len_code_pt *) le.ip; | |
1534 } | |
1535 | |
1536 e->buf.len = len; | |
2049 | 1537 e->buf.data = ngx_pnalloc(e->request->pool, len); |
515 | 1538 if (e->buf.data == NULL) { |
1539 e->ip = ngx_http_script_exit; | |
1540 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
1541 return; | |
1542 } | |
1543 | |
1544 e->pos = e->buf.data; | |
1545 | |
577 | 1546 e->sp->len = e->buf.len; |
573 | 1547 e->sp->data = e->buf.data; |
515 | 1548 e->sp++; |
1549 } | |
1550 | |
1551 | |
1552 void | |
509 | 1553 ngx_http_script_value_code(ngx_http_script_engine_t *e) |
1554 { | |
1555 ngx_http_script_value_code_t *code; | |
1556 | |
1557 code = (ngx_http_script_value_code_t *) e->ip; | |
1558 | |
1559 e->ip += sizeof(ngx_http_script_value_code_t); | |
1560 | |
573 | 1561 e->sp->len = code->text_len; |
1562 e->sp->data = (u_char *) code->text_data; | |
577 | 1563 |
1564 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
1561 | 1565 "http script value: \"%v\"", e->sp); |
577 | 1566 |
509 | 1567 e->sp++; |
1568 } | |
1569 | |
1570 | |
1571 void | |
1572 ngx_http_script_set_var_code(ngx_http_script_engine_t *e) | |
1573 { | |
1574 ngx_http_request_t *r; | |
1575 ngx_http_script_var_code_t *code; | |
1576 | |
1577 code = (ngx_http_script_var_code_t *) e->ip; | |
1578 | |
1579 e->ip += sizeof(ngx_http_script_var_code_t); | |
1580 | |
1581 r = e->request; | |
1582 | |
1583 e->sp--; | |
1584 | |
573 | 1585 r->variables[code->index].len = e->sp->len; |
1586 r->variables[code->index].valid = 1; | |
1565 | 1587 r->variables[code->index].no_cacheable = 0; |
573 | 1588 r->variables[code->index].not_found = 0; |
1589 r->variables[code->index].data = e->sp->data; | |
2393 | 1590 |
1591 #if (NGX_DEBUG) | |
1592 { | |
1593 ngx_http_variable_t *v; | |
1594 ngx_http_core_main_conf_t *cmcf; | |
1595 | |
1596 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); | |
1597 | |
1598 v = cmcf->variables.elts; | |
1599 | |
1600 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
1601 "http script set $%V", &v[code->index].name); | |
1602 } | |
1603 #endif | |
509 | 1604 } |
1605 | |
1606 | |
1607 void | |
637 | 1608 ngx_http_script_var_set_handler_code(ngx_http_script_engine_t *e) |
1609 { | |
1610 ngx_http_script_var_handler_code_t *code; | |
1611 | |
1612 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
1613 "http script set var handler"); | |
1614 | |
1615 code = (ngx_http_script_var_handler_code_t *) e->ip; | |
1616 | |
1617 e->ip += sizeof(ngx_http_script_var_handler_code_t); | |
1618 | |
1619 e->sp--; | |
1620 | |
1621 code->handler(e->request, e->sp, code->data); | |
1622 } | |
1623 | |
1624 | |
1625 void | |
509 | 1626 ngx_http_script_var_code(ngx_http_script_engine_t *e) |
1627 { | |
1628 ngx_http_variable_value_t *value; | |
1629 ngx_http_script_var_code_t *code; | |
1630 | |
1631 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
1632 "http script var"); | |
1633 | |
1634 code = (ngx_http_script_var_code_t *) e->ip; | |
1635 | |
1636 e->ip += sizeof(ngx_http_script_var_code_t); | |
1637 | |
573 | 1638 value = ngx_http_get_flushed_variable(e->request, code->index); |
509 | 1639 |
573 | 1640 if (value && !value->not_found) { |
1641 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
|
1642 "http script var: \"%v\"", value); |
573 | 1643 |
553 | 1644 *e->sp = *value; |
509 | 1645 e->sp++; |
1646 | |
1647 return; | |
1648 } | |
1649 | |
577 | 1650 *e->sp = ngx_http_variable_null_value; |
509 | 1651 e->sp++; |
1652 } | |
1653 | |
1654 | |
1655 void | |
1656 ngx_http_script_nop_code(ngx_http_script_engine_t *e) | |
1657 { | |
1658 e->ip += sizeof(uintptr_t); | |
1659 } |