Mercurial > hg > nginx
annotate src/http/ngx_http_script.c @ 4494:13e09cf11d4e
Disable symlinks: initialization of the "disable_symlinks" field in
ngx_open_file_info_t moved to a separate function.
This is preparation for the "from=" parameter implementation of the
"disable_symlinks" directive.
author | Valentin Bartenev <vbart@nginx.com> |
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date | Mon, 27 Feb 2012 16:51:28 +0000 |
parents | 08713bac87fc |
children | 972642646f06 |
rev | line source |
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441
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1 |
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2 /* |
444
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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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6 |
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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 if (v->len == 0) { |
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118 ngx_conf_log_error(NGX_LOG_EMERG, ccv->cf, 0, "empty parameter"); |
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119 return NGX_ERROR; |
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120 } |
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121 |
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122 nv = 0; |
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123 nc = 0; |
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124 |
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125 for (i = 0; i < v->len; i++) { |
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126 if (v->data[i] == '$') { |
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127 if (v->data[i + 1] >= '1' && v->data[i + 1] <= '9') { |
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128 nc++; |
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129 |
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130 } else { |
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131 nv++; |
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132 } |
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133 } |
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134 } |
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135 |
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136 if (v->data[0] != '$' && (ccv->conf_prefix || ccv->root_prefix)) { |
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137 |
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138 if (ngx_conf_full_name(ccv->cf->cycle, v, ccv->conf_prefix) != NGX_OK) { |
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139 return NGX_ERROR; |
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140 } |
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141 |
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142 ccv->conf_prefix = 0; |
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143 ccv->root_prefix = 0; |
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144 } |
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145 |
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146 ccv->complex_value->value = *v; |
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147 ccv->complex_value->flushes = NULL; |
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148 ccv->complex_value->lengths = NULL; |
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149 ccv->complex_value->values = NULL; |
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150 |
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151 if (nv == 0 && nc == 0) { |
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152 return NGX_OK; |
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153 } |
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154 |
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155 n = nv + 1; |
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156 |
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157 if (ngx_array_init(&flushes, ccv->cf->pool, n, sizeof(ngx_uint_t)) |
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158 != NGX_OK) |
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159 { |
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160 return NGX_ERROR; |
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161 } |
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162 |
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163 n = nv * (2 * sizeof(ngx_http_script_copy_code_t) |
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164 + sizeof(ngx_http_script_var_code_t)) |
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165 + sizeof(uintptr_t); |
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166 |
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167 if (ngx_array_init(&lengths, ccv->cf->pool, n, 1) != NGX_OK) { |
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168 return NGX_ERROR; |
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169 } |
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170 |
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171 n = (nv * (2 * sizeof(ngx_http_script_copy_code_t) |
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172 + sizeof(ngx_http_script_var_code_t)) |
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173 + sizeof(uintptr_t) |
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174 + v->len |
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175 + sizeof(uintptr_t) - 1) |
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176 & ~(sizeof(uintptr_t) - 1); |
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177 |
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178 if (ngx_array_init(&values, ccv->cf->pool, n, 1) != NGX_OK) { |
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179 return NGX_ERROR; |
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180 } |
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181 |
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182 pf = &flushes; |
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183 pl = &lengths; |
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184 pv = &values; |
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185 |
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186 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); |
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187 |
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188 sc.cf = ccv->cf; |
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189 sc.source = v; |
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190 sc.flushes = &pf; |
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191 sc.lengths = &pl; |
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192 sc.values = &pv; |
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193 sc.complete_lengths = 1; |
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194 sc.complete_values = 1; |
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195 sc.zero = ccv->zero; |
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196 sc.conf_prefix = ccv->conf_prefix; |
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197 sc.root_prefix = ccv->root_prefix; |
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198 |
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199 if (ngx_http_script_compile(&sc) != NGX_OK) { |
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200 return NGX_ERROR; |
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201 } |
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202 |
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203 if (flushes.nelts) { |
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204 ccv->complex_value->flushes = flushes.elts; |
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205 ccv->complex_value->flushes[flushes.nelts] = (ngx_uint_t) -1; |
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206 } |
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207 |
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208 ccv->complex_value->lengths = lengths.elts; |
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209 ccv->complex_value->values = values.elts; |
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210 |
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211 return NGX_OK; |
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212 } |
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213 |
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214 |
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215 char * |
3761 | 216 ngx_http_set_complex_value_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
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217 { |
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218 char *p = conf; |
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219 |
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220 ngx_str_t *value; |
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221 ngx_http_complex_value_t **cv; |
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222 ngx_http_compile_complex_value_t ccv; |
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223 |
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224 cv = (ngx_http_complex_value_t **) (p + cmd->offset); |
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225 |
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226 if (*cv != NULL) { |
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227 return "duplicate"; |
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228 } |
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229 |
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230 *cv = ngx_palloc(cf->pool, sizeof(ngx_http_complex_value_t)); |
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231 if (*cv == NULL) { |
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232 return NGX_CONF_ERROR; |
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233 } |
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234 |
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235 value = cf->args->elts; |
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236 |
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237 ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t)); |
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238 |
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239 ccv.cf = cf; |
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240 ccv.value = &value[1]; |
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241 ccv.complex_value = *cv; |
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242 |
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243 if (ngx_http_compile_complex_value(&ccv) != NGX_OK) { |
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244 return NGX_CONF_ERROR; |
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245 } |
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246 |
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247 return NGX_CONF_OK; |
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248 } |
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249 |
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250 |
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251 ngx_int_t |
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252 ngx_http_test_predicates(ngx_http_request_t *r, ngx_array_t *predicates) |
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253 { |
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254 ngx_str_t val; |
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255 ngx_uint_t i; |
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256 ngx_http_complex_value_t *cv; |
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257 |
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258 if (predicates == NULL) { |
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259 return NGX_OK; |
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260 } |
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261 |
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262 cv = predicates->elts; |
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263 |
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264 for (i = 0; i < predicates->nelts; i++) { |
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265 if (ngx_http_complex_value(r, &cv[i], &val) != NGX_OK) { |
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266 return NGX_ERROR; |
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267 } |
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268 |
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269 if (val.len && (val.len != 1 || val.data[0] != '0')) { |
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270 return NGX_DECLINED; |
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271 } |
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272 } |
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273 |
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274 return NGX_OK; |
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275 } |
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276 |
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277 |
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278 char * |
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279 ngx_http_set_predicate_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
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280 { |
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281 char *p = conf; |
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282 |
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283 ngx_str_t *value; |
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284 ngx_uint_t i; |
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285 ngx_array_t **a; |
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286 ngx_http_complex_value_t *cv; |
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287 ngx_http_compile_complex_value_t ccv; |
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288 |
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289 a = (ngx_array_t **) (p + cmd->offset); |
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290 |
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291 if (*a == NGX_CONF_UNSET_PTR) { |
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292 *a = ngx_array_create(cf->pool, 1, sizeof(ngx_http_complex_value_t)); |
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293 if (*a == NULL) { |
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294 return NGX_CONF_ERROR; |
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295 } |
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296 } |
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297 |
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298 value = cf->args->elts; |
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299 |
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300 for (i = 1; i < cf->args->nelts; i++) { |
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301 cv = ngx_array_push(*a); |
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302 if (cv == NULL) { |
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303 return NGX_CONF_ERROR; |
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304 } |
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305 |
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306 ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t)); |
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307 |
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308 ccv.cf = cf; |
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309 ccv.value = &value[i]; |
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310 ccv.complex_value = cv; |
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311 |
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312 if (ngx_http_compile_complex_value(&ccv) != NGX_OK) { |
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313 return NGX_CONF_ERROR; |
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314 } |
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315 } |
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316 |
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317 return NGX_CONF_OK; |
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318 } |
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319 |
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320 |
509 | 321 ngx_uint_t |
322 ngx_http_script_variables_count(ngx_str_t *value) | |
99
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323 { |
509 | 324 ngx_uint_t i, n; |
507 | 325 |
509 | 326 for (n = 0, i = 0; i < value->len; i++) { |
327 if (value->data[i] == '$') { | |
328 n++; | |
329 } | |
507 | 330 } |
331 | |
509 | 332 return n; |
333 } | |
334 | |
335 | |
336 ngx_int_t | |
337 ngx_http_script_compile(ngx_http_script_compile_t *sc) | |
338 { | |
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339 u_char ch; |
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340 ngx_str_t name; |
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341 ngx_uint_t i, bracket; |
573 | 342 |
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343 if (ngx_http_script_init_arrays(sc) != NGX_OK) { |
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344 return NGX_ERROR; |
509 | 345 } |
346 | |
347 for (i = 0; i < sc->source->len; /* void */ ) { | |
348 | |
349 name.len = 0; | |
350 | |
351 if (sc->source->data[i] == '$') { | |
352 | |
353 if (++i == sc->source->len) { | |
354 goto invalid_variable; | |
355 } | |
356 | |
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357 #if (NGX_PCRE) |
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358 { |
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359 ngx_uint_t n; |
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360 |
509 | 361 if (sc->source->data[i] >= '1' && sc->source->data[i] <= '9') { |
362 | |
641 | 363 n = sc->source->data[i] - '0'; |
364 | |
365 if (sc->captures_mask & (1 << n)) { | |
366 sc->dup_capture = 1; | |
367 } | |
368 | |
369 sc->captures_mask |= 1 << n; | |
370 | |
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371 if (ngx_http_script_add_capture_code(sc, n) != NGX_OK) { |
509 | 372 return NGX_ERROR; |
373 } | |
374 | |
375 i++; | |
376 | |
377 continue; | |
378 } | |
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379 } |
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380 #endif |
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381 |
509 | 382 if (sc->source->data[i] == '{') { |
383 bracket = 1; | |
384 | |
385 if (++i == sc->source->len) { | |
386 goto invalid_variable; | |
387 } | |
388 | |
389 name.data = &sc->source->data[i]; | |
390 | |
391 } else { | |
392 bracket = 0; | |
393 name.data = &sc->source->data[i]; | |
394 } | |
395 | |
396 for ( /* void */ ; i < sc->source->len; i++, name.len++) { | |
397 ch = sc->source->data[i]; | |
507 | 398 |
509 | 399 if (ch == '}' && bracket) { |
400 i++; | |
401 bracket = 0; | |
402 break; | |
403 } | |
404 | |
405 if ((ch >= 'A' && ch <= 'Z') | |
406 || (ch >= 'a' && ch <= 'z') | |
407 || (ch >= '0' && ch <= '9') | |
408 || ch == '_') | |
409 { | |
410 continue; | |
411 } | |
412 | |
413 break; | |
414 } | |
415 | |
416 if (bracket) { | |
417 ngx_conf_log_error(NGX_LOG_EMERG, sc->cf, 0, | |
418 "the closing bracket in \"%V\" " | |
419 "variable is missing", &name); | |
507 | 420 return NGX_ERROR; |
421 } | |
422 | |
509 | 423 if (name.len == 0) { |
424 goto invalid_variable; | |
425 } | |
507 | 426 |
509 | 427 sc->variables++; |
507 | 428 |
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429 if (ngx_http_script_add_var_code(sc, &name) != NGX_OK) { |
507 | 430 return NGX_ERROR; |
431 } | |
99
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432 |
509 | 433 continue; |
434 } | |
507 | 435 |
509 | 436 if (sc->source->data[i] == '?' && sc->compile_args) { |
437 sc->args = 1; | |
438 sc->compile_args = 0; | |
99
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439 |
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440 if (ngx_http_script_add_args_code(sc) != NGX_OK) { |
1891
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441 return NGX_ERROR; |
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442 } |
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443 |
509 | 444 i++; |
445 | |
507 | 446 continue; |
447 } | |
448 | |
509 | 449 name.data = &sc->source->data[i]; |
450 | |
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451 while (i < sc->source->len) { |
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452 |
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453 if (sc->source->data[i] == '$') { |
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454 break; |
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455 } |
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456 |
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457 if (sc->source->data[i] == '?') { |
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458 |
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459 sc->args = 1; |
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460 |
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461 if (sc->compile_args) { |
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462 break; |
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463 } |
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464 } |
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465 |
509 | 466 i++; |
467 name.len++; | |
468 } | |
469 | |
470 sc->size += name.len; | |
471 | |
2587
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472 if (ngx_http_script_add_copy_code(sc, &name, (i == sc->source->len)) |
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473 != NGX_OK) |
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474 { |
509 | 475 return NGX_ERROR; |
476 } | |
507 | 477 } |
478 | |
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479 return ngx_http_script_done(sc); |
509 | 480 |
481 invalid_variable: | |
482 | |
483 ngx_conf_log_error(NGX_LOG_EMERG, sc->cf, 0, "invalid variable name"); | |
484 | |
485 return NGX_ERROR; | |
99
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486 } |
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|
487 |
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488 |
623 | 489 u_char * |
490 ngx_http_script_run(ngx_http_request_t *r, ngx_str_t *value, | |
491 void *code_lengths, size_t len, void *code_values) | |
492 { | |
1152
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493 ngx_uint_t i; |
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494 ngx_http_script_code_pt code; |
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495 ngx_http_script_len_code_pt lcode; |
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496 ngx_http_script_engine_t e; |
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497 ngx_http_core_main_conf_t *cmcf; |
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498 |
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499 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); |
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500 |
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501 for (i = 0; i < cmcf->variables.nelts; i++) { |
1565 | 502 if (r->variables[i].no_cacheable) { |
1152
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503 r->variables[i].valid = 0; |
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|
504 r->variables[i].not_found = 0; |
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505 } |
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|
506 } |
623 | 507 |
508 ngx_memzero(&e, sizeof(ngx_http_script_engine_t)); | |
509 | |
510 e.ip = code_lengths; | |
511 e.request = r; | |
512 e.flushed = 1; | |
513 | |
514 while (*(uintptr_t *) e.ip) { | |
515 lcode = *(ngx_http_script_len_code_pt *) e.ip; | |
516 len += lcode(&e); | |
517 } | |
518 | |
519 | |
520 value->len = len; | |
2049 | 521 value->data = ngx_pnalloc(r->pool, len); |
623 | 522 if (value->data == NULL) { |
523 return NULL; | |
524 } | |
525 | |
526 e.ip = code_values; | |
527 e.pos = value->data; | |
528 | |
529 while (*(uintptr_t *) e.ip) { | |
530 code = *(ngx_http_script_code_pt *) e.ip; | |
531 code((ngx_http_script_engine_t *) &e); | |
532 } | |
533 | |
534 return e.pos; | |
535 } | |
536 | |
537 | |
573 | 538 void |
1565 | 539 ngx_http_script_flush_no_cacheable_variables(ngx_http_request_t *r, |
573 | 540 ngx_array_t *indices) |
541 { | |
542 ngx_uint_t n, *index; | |
543 | |
544 if (indices) { | |
545 index = indices->elts; | |
546 for (n = 0; n < indices->nelts; n++) { | |
1565 | 547 if (r->variables[index[n]].no_cacheable) { |
573 | 548 r->variables[index[n]].valid = 0; |
549 r->variables[index[n]].not_found = 0; | |
550 } | |
551 } | |
552 } | |
553 } | |
554 | |
555 | |
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|
556 static ngx_int_t |
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557 ngx_http_script_init_arrays(ngx_http_script_compile_t *sc) |
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558 { |
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559 ngx_uint_t n; |
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|
560 |
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561 if (sc->flushes && *sc->flushes == NULL) { |
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562 n = sc->variables ? sc->variables : 1; |
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563 *sc->flushes = ngx_array_create(sc->cf->pool, n, sizeof(ngx_uint_t)); |
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|
564 if (*sc->flushes == NULL) { |
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565 return NGX_ERROR; |
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|
566 } |
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|
567 } |
2dcbcfc1a8d1
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changeset
|
568 |
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|
569 if (*sc->lengths == NULL) { |
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diff
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|
570 n = sc->variables * (2 * sizeof(ngx_http_script_copy_code_t) |
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|
571 + sizeof(ngx_http_script_var_code_t)) |
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|
572 + sizeof(uintptr_t); |
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|
573 |
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|
574 *sc->lengths = ngx_array_create(sc->cf->pool, n, 1); |
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|
575 if (*sc->lengths == NULL) { |
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|
576 return NGX_ERROR; |
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|
577 } |
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|
578 } |
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|
579 |
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|
580 if (*sc->values == NULL) { |
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|
581 n = (sc->variables * (2 * sizeof(ngx_http_script_copy_code_t) |
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|
582 + sizeof(ngx_http_script_var_code_t)) |
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|
583 + sizeof(uintptr_t) |
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|
584 + sc->source->len |
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|
585 + sizeof(uintptr_t) - 1) |
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diff
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|
586 & ~(sizeof(uintptr_t) - 1); |
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changeset
|
587 |
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changeset
|
588 *sc->values = ngx_array_create(sc->cf->pool, n, 1); |
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|
589 if (*sc->values == NULL) { |
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|
590 return NGX_ERROR; |
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|
591 } |
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|
592 } |
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|
593 |
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|
594 sc->variables = 0; |
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595 |
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596 return NGX_OK; |
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597 } |
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598 |
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599 |
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600 static ngx_int_t |
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601 ngx_http_script_done(ngx_http_script_compile_t *sc) |
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602 { |
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603 ngx_str_t zero; |
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604 uintptr_t *code; |
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605 |
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606 if (sc->zero) { |
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607 |
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608 zero.len = 1; |
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609 zero.data = (u_char *) "\0"; |
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610 |
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611 if (ngx_http_script_add_copy_code(sc, &zero, 0) != NGX_OK) { |
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612 return NGX_ERROR; |
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613 } |
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614 } |
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615 |
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616 if (sc->conf_prefix || sc->root_prefix) { |
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617 if (ngx_http_script_add_full_name_code(sc) != NGX_OK) { |
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618 return NGX_ERROR; |
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619 } |
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620 } |
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621 |
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622 if (sc->complete_lengths) { |
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623 code = ngx_http_script_add_code(*sc->lengths, sizeof(uintptr_t), NULL); |
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624 if (code == NULL) { |
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625 return NGX_ERROR; |
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626 } |
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627 |
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628 *code = (uintptr_t) NULL; |
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629 } |
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630 |
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631 if (sc->complete_values) { |
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632 code = ngx_http_script_add_code(*sc->values, sizeof(uintptr_t), |
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633 &sc->main); |
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634 if (code == NULL) { |
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635 return NGX_ERROR; |
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636 } |
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637 |
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638 *code = (uintptr_t) NULL; |
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639 } |
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640 |
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641 return NGX_OK; |
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642 } |
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643 |
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644 |
509 | 645 void * |
507 | 646 ngx_http_script_start_code(ngx_pool_t *pool, ngx_array_t **codes, size_t size) |
479 | 647 { |
507 | 648 if (*codes == NULL) { |
649 *codes = ngx_array_create(pool, 256, 1); | |
650 if (*codes == NULL) { | |
651 return NULL; | |
652 } | |
653 } | |
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654 |
507 | 655 return ngx_array_push_n(*codes, size); |
656 } | |
657 | |
509 | 658 |
659 void * | |
660 ngx_http_script_add_code(ngx_array_t *codes, size_t size, void *code) | |
661 { | |
662 u_char *elts, **p; | |
663 void *new; | |
664 | |
665 elts = codes->elts; | |
666 | |
667 new = ngx_array_push_n(codes, size); | |
668 if (new == NULL) { | |
2911 | 669 return NULL; |
509 | 670 } |
671 | |
672 if (code) { | |
673 if (elts != codes->elts) { | |
674 p = code; | |
675 *p += (u_char *) codes->elts - elts; | |
676 } | |
677 } | |
678 | |
679 return new; | |
680 } | |
507 | 681 |
479 | 682 |
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683 static ngx_int_t |
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684 ngx_http_script_add_copy_code(ngx_http_script_compile_t *sc, ngx_str_t *value, |
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685 ngx_uint_t last) |
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686 { |
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687 u_char *p; |
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688 size_t size, len, zero; |
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689 ngx_http_script_copy_code_t *code; |
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690 |
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691 zero = (sc->zero && last); |
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692 len = value->len + zero; |
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693 |
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694 code = ngx_http_script_add_code(*sc->lengths, |
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695 sizeof(ngx_http_script_copy_code_t), NULL); |
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696 if (code == NULL) { |
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697 return NGX_ERROR; |
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698 } |
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699 |
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700 code->code = (ngx_http_script_code_pt) ngx_http_script_copy_len_code; |
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701 code->len = len; |
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702 |
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703 size = (sizeof(ngx_http_script_copy_code_t) + len + sizeof(uintptr_t) - 1) |
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704 & ~(sizeof(uintptr_t) - 1); |
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705 |
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706 code = ngx_http_script_add_code(*sc->values, size, &sc->main); |
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707 if (code == NULL) { |
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708 return NGX_ERROR; |
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709 } |
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710 |
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711 code->code = ngx_http_script_copy_code; |
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712 code->len = len; |
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713 |
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714 p = ngx_cpymem((u_char *) code + sizeof(ngx_http_script_copy_code_t), |
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715 value->data, value->len); |
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716 |
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717 if (zero) { |
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718 *p = '\0'; |
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719 sc->zero = 0; |
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720 } |
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721 |
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722 return NGX_OK; |
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723 } |
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724 |
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725 |
507 | 726 size_t |
509 | 727 ngx_http_script_copy_len_code(ngx_http_script_engine_t *e) |
507 | 728 { |
729 ngx_http_script_copy_code_t *code; | |
479 | 730 |
509 | 731 code = (ngx_http_script_copy_code_t *) e->ip; |
507 | 732 |
509 | 733 e->ip += sizeof(ngx_http_script_copy_code_t); |
507 | 734 |
735 return code->len; | |
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736 } |
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737 |
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738 |
507 | 739 void |
509 | 740 ngx_http_script_copy_code(ngx_http_script_engine_t *e) |
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741 { |
2393 | 742 u_char *p; |
507 | 743 ngx_http_script_copy_code_t *code; |
744 | |
509 | 745 code = (ngx_http_script_copy_code_t *) e->ip; |
746 | |
2393 | 747 p = e->pos; |
748 | |
509 | 749 if (!e->skip) { |
2393 | 750 e->pos = ngx_copy(p, e->ip + sizeof(ngx_http_script_copy_code_t), |
573 | 751 code->len); |
509 | 752 } |
507 | 753 |
509 | 754 e->ip += sizeof(ngx_http_script_copy_code_t) |
755 + ((code->len + sizeof(uintptr_t) - 1) & ~(sizeof(uintptr_t) - 1)); | |
507 | 756 |
2393 | 757 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, |
758 "http script copy: \"%*s\"", e->pos - p, p); | |
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759 } |
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760 |
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761 |
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762 static ngx_int_t |
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763 ngx_http_script_add_var_code(ngx_http_script_compile_t *sc, ngx_str_t *name) |
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764 { |
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765 ngx_int_t index, *p; |
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766 ngx_http_script_var_code_t *code; |
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767 |
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768 index = ngx_http_get_variable_index(sc->cf, name); |
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769 |
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770 if (index == NGX_ERROR) { |
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771 return NGX_ERROR; |
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772 } |
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773 |
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|
774 if (sc->flushes) { |
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775 p = ngx_array_push(*sc->flushes); |
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776 if (p == NULL) { |
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777 return NGX_ERROR; |
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778 } |
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779 |
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780 *p = index; |
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781 } |
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782 |
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783 code = ngx_http_script_add_code(*sc->lengths, |
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784 sizeof(ngx_http_script_var_code_t), NULL); |
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785 if (code == NULL) { |
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786 return NGX_ERROR; |
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787 } |
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788 |
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789 code->code = (ngx_http_script_code_pt) ngx_http_script_copy_var_len_code; |
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790 code->index = (uintptr_t) index; |
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791 |
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792 code = ngx_http_script_add_code(*sc->values, |
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793 sizeof(ngx_http_script_var_code_t), |
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794 &sc->main); |
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795 if (code == NULL) { |
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796 return NGX_ERROR; |
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797 } |
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798 |
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799 code->code = ngx_http_script_copy_var_code; |
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800 code->index = (uintptr_t) index; |
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801 |
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802 return NGX_OK; |
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803 } |
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804 |
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805 |
507 | 806 size_t |
509 | 807 ngx_http_script_copy_var_len_code(ngx_http_script_engine_t *e) |
99
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808 { |
507 | 809 ngx_http_variable_value_t *value; |
810 ngx_http_script_var_code_t *code; | |
811 | |
509 | 812 code = (ngx_http_script_var_code_t *) e->ip; |
507 | 813 |
509 | 814 e->ip += sizeof(ngx_http_script_var_code_t); |
507 | 815 |
573 | 816 if (e->flushed) { |
817 value = ngx_http_get_indexed_variable(e->request, code->index); | |
507 | 818 |
573 | 819 } else { |
820 value = ngx_http_get_flushed_variable(e->request, code->index); | |
821 } | |
822 | |
823 if (value && !value->not_found) { | |
824 return value->len; | |
507 | 825 } |
826 | |
553 | 827 return 0; |
99
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828 } |
479 | 829 |
830 | |
507 | 831 void |
509 | 832 ngx_http_script_copy_var_code(ngx_http_script_engine_t *e) |
479 | 833 { |
2393 | 834 u_char *p; |
507 | 835 ngx_http_variable_value_t *value; |
836 ngx_http_script_var_code_t *code; | |
837 | |
509 | 838 code = (ngx_http_script_var_code_t *) e->ip; |
839 | |
840 e->ip += sizeof(ngx_http_script_var_code_t); | |
841 | |
842 if (!e->skip) { | |
573 | 843 |
844 if (e->flushed) { | |
845 value = ngx_http_get_indexed_variable(e->request, code->index); | |
509 | 846 |
573 | 847 } else { |
848 value = ngx_http_get_flushed_variable(e->request, code->index); | |
849 } | |
850 | |
851 if (value && !value->not_found) { | |
2393 | 852 p = e->pos; |
853 e->pos = ngx_copy(p, value->data, value->len); | |
509 | 854 |
2393 | 855 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, |
845
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856 e->request->connection->log, 0, |
2393 | 857 "http script var: \"%*s\"", e->pos - p, p); |
509 | 858 } |
859 } | |
860 } | |
861 | |
862 | |
2577
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863 static ngx_int_t |
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864 ngx_http_script_add_args_code(ngx_http_script_compile_t *sc) |
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865 { |
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866 uintptr_t *code; |
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867 |
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868 code = ngx_http_script_add_code(*sc->lengths, sizeof(uintptr_t), NULL); |
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869 if (code == NULL) { |
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870 return NGX_ERROR; |
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871 } |
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872 |
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873 *code = (uintptr_t) ngx_http_script_mark_args_code; |
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874 |
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875 code = ngx_http_script_add_code(*sc->values, sizeof(uintptr_t), &sc->main); |
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876 if (code == NULL) { |
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877 return NGX_ERROR; |
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878 } |
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879 |
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880 *code = (uintptr_t) ngx_http_script_start_args_code; |
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881 |
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882 return NGX_OK; |
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883 } |
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884 |
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885 |
509 | 886 size_t |
1891
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887 ngx_http_script_mark_args_code(ngx_http_script_engine_t *e) |
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888 { |
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889 e->is_args = 1; |
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890 e->ip += sizeof(uintptr_t); |
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|
891 |
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|
892 return 1; |
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|
893 } |
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894 |
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895 |
509 | 896 void |
897 ngx_http_script_start_args_code(ngx_http_script_engine_t *e) | |
898 { | |
899 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
900 "http script args"); | |
577 | 901 |
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902 e->is_args = 1; |
509 | 903 e->args = e->pos; |
904 e->ip += sizeof(uintptr_t); | |
905 } | |
906 | |
907 | |
517 | 908 #if (NGX_PCRE) |
909 | |
509 | 910 void |
911 ngx_http_script_regex_start_code(ngx_http_script_engine_t *e) | |
912 { | |
913 size_t len; | |
914 ngx_int_t rc; | |
915 ngx_uint_t n; | |
916 ngx_http_request_t *r; | |
917 ngx_http_script_engine_t le; | |
918 ngx_http_script_len_code_pt lcode; | |
919 ngx_http_script_regex_code_t *code; | |
920 | |
921 code = (ngx_http_script_regex_code_t *) e->ip; | |
922 | |
923 r = e->request; | |
924 | |
925 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
926 "http script regex: \"%V\"", &code->name); | |
927 | |
928 if (code->uri) { | |
515 | 929 e->line = r->uri; |
509 | 930 } else { |
931 e->sp--; | |
573 | 932 e->line.len = e->sp->len; |
933 e->line.data = e->sp->data; | |
509 | 934 } |
507 | 935 |
3325 | 936 rc = ngx_http_regex_exec(r, code->regex, &e->line); |
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937 |
3325 | 938 if (rc == NGX_DECLINED) { |
2397 | 939 if (e->log || (r->connection->log->log_level & NGX_LOG_DEBUG_HTTP)) { |
509 | 940 ngx_log_error(NGX_LOG_NOTICE, r->connection->log, 0, |
515 | 941 "\"%V\" does not match \"%V\"", |
942 &code->name, &e->line); | |
509 | 943 } |
944 | |
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945 r->ncaptures = 0; |
515 | 946 |
509 | 947 if (code->test) { |
631 | 948 if (code->negative_test) { |
949 e->sp->len = 1; | |
950 e->sp->data = (u_char *) "1"; | |
951 | |
952 } else { | |
953 e->sp->len = 0; | |
954 e->sp->data = (u_char *) ""; | |
955 } | |
956 | |
509 | 957 e->sp++; |
958 | |
959 e->ip += sizeof(ngx_http_script_regex_code_t); | |
960 return; | |
961 } | |
962 | |
963 e->ip += code->next; | |
964 return; | |
965 } | |
966 | |
3325 | 967 if (rc == NGX_ERROR) { |
509 | 968 e->ip = ngx_http_script_exit; |
969 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
970 return; | |
971 } | |
972 | |
2397 | 973 if (e->log || (r->connection->log->log_level & NGX_LOG_DEBUG_HTTP)) { |
509 | 974 ngx_log_error(NGX_LOG_NOTICE, r->connection->log, 0, |
515 | 975 "\"%V\" matches \"%V\"", &code->name, &e->line); |
509 | 976 } |
977 | |
978 if (code->test) { | |
631 | 979 if (code->negative_test) { |
980 e->sp->len = 0; | |
981 e->sp->data = (u_char *) ""; | |
982 | |
983 } else { | |
984 e->sp->len = 1; | |
985 e->sp->data = (u_char *) "1"; | |
986 } | |
987 | |
509 | 988 e->sp++; |
989 | |
990 e->ip += sizeof(ngx_http_script_regex_code_t); | |
991 return; | |
992 } | |
993 | |
994 if (code->status) { | |
995 e->status = code->status; | |
507 | 996 |
509 | 997 if (!code->redirect) { |
998 e->ip = ngx_http_script_exit; | |
999 return; | |
1000 } | |
1001 } | |
1002 | |
1003 if (code->uri) { | |
1004 r->internal = 1; | |
1005 r->valid_unparsed_uri = 0; | |
1006 | |
1007 if (code->break_cycle) { | |
1008 r->valid_location = 0; | |
527 | 1009 r->uri_changed = 0; |
509 | 1010 |
1011 } else { | |
1012 r->uri_changed = 1; | |
1013 } | |
1014 } | |
1015 | |
1016 if (code->lengths == NULL) { | |
1017 e->buf.len = code->size; | |
1018 | |
1019 if (code->uri) { | |
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1020 if (r->ncaptures && (r->quoted_uri || r->plus_in_uri)) { |
509 | 1021 e->buf.len += 2 * ngx_escape_uri(NULL, r->uri.data, r->uri.len, |
1022 NGX_ESCAPE_ARGS); | |
1023 } | |
1024 } | |
1025 | |
3344
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fix captures in "rewrite", the bug had been introduced in r3326
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1026 for (n = 2; n < r->ncaptures; n += 2) { |
1aed55182ea2
fix captures in "rewrite", the bug had been introduced in r3326
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parents:
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diff
changeset
|
1027 e->buf.len += r->captures[n + 1] - r->captures[n]; |
509 | 1028 } |
1029 | |
1030 } else { | |
1031 ngx_memzero(&le, sizeof(ngx_http_script_engine_t)); | |
1032 | |
1033 le.ip = code->lengths->elts; | |
679 | 1034 le.line = e->line; |
509 | 1035 le.request = r; |
679 | 1036 le.quote = code->redirect; |
509 | 1037 |
1891
782af1038115
length calculation did not take into account escaped symbols in arguments
Igor Sysoev <igor@sysoev.ru>
parents:
1799
diff
changeset
|
1038 len = 0; |
509 | 1039 |
1040 while (*(uintptr_t *) le.ip) { | |
1041 lcode = *(ngx_http_script_len_code_pt *) le.ip; | |
1042 len += lcode(&le); | |
1043 } | |
1044 | |
1045 e->buf.len = len; | |
1891
782af1038115
length calculation did not take into account escaped symbols in arguments
Igor Sysoev <igor@sysoev.ru>
parents:
1799
diff
changeset
|
1046 e->is_args = le.is_args; |
509 | 1047 } |
1048 | |
515 | 1049 if (code->add_args && r->args.len) { |
509 | 1050 e->buf.len += r->args.len + 1; |
1051 } | |
1052 | |
2049 | 1053 e->buf.data = ngx_pnalloc(r->pool, e->buf.len); |
509 | 1054 if (e->buf.data == NULL) { |
1055 e->ip = ngx_http_script_exit; | |
1056 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
507 | 1057 return; |
1058 } | |
1059 | |
509 | 1060 e->quote = code->redirect; |
1061 | |
1062 e->pos = e->buf.data; | |
1063 | |
1064 e->ip += sizeof(ngx_http_script_regex_code_t); | |
1065 } | |
1066 | |
1067 | |
1068 void | |
1069 ngx_http_script_regex_end_code(ngx_http_script_engine_t *e) | |
1070 { | |
577 | 1071 u_char *dst, *src; |
509 | 1072 ngx_http_request_t *r; |
1073 ngx_http_script_regex_end_code_t *code; | |
1074 | |
1075 code = (ngx_http_script_regex_end_code_t *) e->ip; | |
1076 | |
1077 r = e->request; | |
1078 | |
1079 e->quote = 0; | |
1080 | |
1081 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
1082 "http script regex end"); | |
1083 | |
1084 if (code->redirect) { | |
1085 | |
577 | 1086 dst = e->buf.data; |
1087 src = e->buf.data; | |
1088 | |
1593 | 1089 ngx_unescape_uri(&dst, &src, e->pos - e->buf.data, |
1090 NGX_UNESCAPE_REDIRECT); | |
577 | 1091 |
1092 if (src < e->pos) { | |
3887
e7798b5e990a
use memmove() in appropriate places
Igor Sysoev <igor@sysoev.ru>
parents:
3761
diff
changeset
|
1093 dst = ngx_movemem(dst, src, e->pos - src); |
577 | 1094 } |
1095 | |
1096 e->pos = dst; | |
1097 | |
1098 if (code->add_args && r->args.len) { | |
509 | 1099 *e->pos++ = (u_char) (code->args ? '&' : '?'); |
573 | 1100 e->pos = ngx_copy(e->pos, r->args.data, r->args.len); |
509 | 1101 } |
1102 | |
1103 e->buf.len = e->pos - e->buf.data; | |
1104 | |
2397 | 1105 if (e->log || (r->connection->log->log_level & NGX_LOG_DEBUG_HTTP)) { |
509 | 1106 ngx_log_error(NGX_LOG_NOTICE, r->connection->log, 0, |
1107 "rewritten redirect: \"%V\"", &e->buf); | |
1108 } | |
1109 | |
4206
1a94a56a4e5d
Clear old Location header (if any) while adding a new one.
Maxim Dounin <mdounin@mdounin.ru>
parents:
3904
diff
changeset
|
1110 ngx_http_clear_location(r); |
1a94a56a4e5d
Clear old Location header (if any) while adding a new one.
Maxim Dounin <mdounin@mdounin.ru>
parents:
3904
diff
changeset
|
1111 |
509 | 1112 r->headers_out.location = ngx_list_push(&r->headers_out.headers); |
1113 if (r->headers_out.location == NULL) { | |
1114 e->ip = ngx_http_script_exit; | |
1115 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
1116 return; | |
1117 } | |
1118 | |
577 | 1119 r->headers_out.location->hash = 1; |
3516
dd1570b6f237
ngx_str_set() and ngx_str_null()
Igor Sysoev <igor@sysoev.ru>
parents:
3344
diff
changeset
|
1120 ngx_str_set(&r->headers_out.location->key, "Location"); |
509 | 1121 r->headers_out.location->value = e->buf; |
1122 | |
1123 e->ip += sizeof(ngx_http_script_regex_end_code_t); | |
1124 return; | |
1125 } | |
1126 | |
577 | 1127 if (e->args) { |
509 | 1128 e->buf.len = e->args - e->buf.data; |
1129 | |
1130 if (code->add_args && r->args.len) { | |
1131 *e->pos++ = '&'; | |
573 | 1132 e->pos = ngx_copy(e->pos, r->args.data, r->args.len); |
509 | 1133 } |
1134 | |
1135 r->args.len = e->pos - e->args; | |
1136 r->args.data = e->args; | |
1137 | |
1138 e->args = NULL; | |
1139 | |
1140 } else { | |
1141 e->buf.len = e->pos - e->buf.data; | |
673 | 1142 |
1143 if (!code->add_args) { | |
1144 r->args.len = 0; | |
1145 } | |
509 | 1146 } |
1147 | |
2397 | 1148 if (e->log || (r->connection->log->log_level & NGX_LOG_DEBUG_HTTP)) { |
509 | 1149 ngx_log_error(NGX_LOG_NOTICE, r->connection->log, 0, |
1150 "rewritten data: \"%V\", args: \"%V\"", | |
1151 &e->buf, &r->args); | |
1152 } | |
1153 | |
1154 if (code->uri) { | |
1155 r->uri = e->buf; | |
1156 | |
535 | 1157 if (r->uri.len == 0) { |
1158 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
1159 "the rewritten URI has a zero length"); | |
1160 e->ip = ngx_http_script_exit; | |
1161 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
1162 return; | |
1163 } | |
1164 | |
2979
b941147f2b2e
ngx_http_set_exten() is always successful since 0.3.46
Igor Sysoev <igor@sysoev.ru>
parents:
2911
diff
changeset
|
1165 ngx_http_set_exten(r); |
509 | 1166 } |
1167 | |
1168 e->ip += sizeof(ngx_http_script_regex_end_code_t); | |
1169 } | |
1170 | |
2547
912ce4113f21
now regex captures are per-request entities
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1171 |
2577
2dcbcfc1a8d1
split ngx_http_script_compile()
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parents:
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diff
changeset
|
1172 static ngx_int_t |
2dcbcfc1a8d1
split ngx_http_script_compile()
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|
1173 ngx_http_script_add_capture_code(ngx_http_script_compile_t *sc, ngx_uint_t n) |
2dcbcfc1a8d1
split ngx_http_script_compile()
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|
1174 { |
2dcbcfc1a8d1
split ngx_http_script_compile()
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parents:
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|
1175 ngx_http_script_copy_capture_code_t *code; |
2dcbcfc1a8d1
split ngx_http_script_compile()
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|
1176 |
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|
1177 code = ngx_http_script_add_code(*sc->lengths, |
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|
1178 sizeof(ngx_http_script_copy_capture_code_t), |
2dcbcfc1a8d1
split ngx_http_script_compile()
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|
1179 NULL); |
2dcbcfc1a8d1
split ngx_http_script_compile()
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|
1180 if (code == NULL) { |
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split ngx_http_script_compile()
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|
1181 return NGX_ERROR; |
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split ngx_http_script_compile()
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|
1182 } |
2dcbcfc1a8d1
split ngx_http_script_compile()
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|
1183 |
2dcbcfc1a8d1
split ngx_http_script_compile()
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|
1184 code->code = (ngx_http_script_code_pt) |
2dcbcfc1a8d1
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|
1185 ngx_http_script_copy_capture_len_code; |
2dcbcfc1a8d1
split ngx_http_script_compile()
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|
1186 code->n = 2 * n; |
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|
1187 |
2dcbcfc1a8d1
split ngx_http_script_compile()
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|
1188 |
2dcbcfc1a8d1
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|
1189 code = ngx_http_script_add_code(*sc->values, |
2dcbcfc1a8d1
split ngx_http_script_compile()
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|
1190 sizeof(ngx_http_script_copy_capture_code_t), |
2dcbcfc1a8d1
split ngx_http_script_compile()
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parents:
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|
1191 &sc->main); |
2dcbcfc1a8d1
split ngx_http_script_compile()
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|
1192 if (code == NULL) { |
2dcbcfc1a8d1
split ngx_http_script_compile()
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|
1193 return NGX_ERROR; |
2dcbcfc1a8d1
split ngx_http_script_compile()
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|
1194 } |
2dcbcfc1a8d1
split ngx_http_script_compile()
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parents:
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diff
changeset
|
1195 |
2dcbcfc1a8d1
split ngx_http_script_compile()
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|
1196 code->code = ngx_http_script_copy_capture_code; |
2dcbcfc1a8d1
split ngx_http_script_compile()
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parents:
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|
1197 code->n = 2 * n; |
2dcbcfc1a8d1
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|
1198 |
2dcbcfc1a8d1
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|
1199 if (sc->ncaptures < n) { |
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split ngx_http_script_compile()
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|
1200 sc->ncaptures = n; |
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|
1201 } |
2dcbcfc1a8d1
split ngx_http_script_compile()
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parents:
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diff
changeset
|
1202 |
2dcbcfc1a8d1
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|
1203 return NGX_OK; |
2dcbcfc1a8d1
split ngx_http_script_compile()
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diff
changeset
|
1204 } |
2dcbcfc1a8d1
split ngx_http_script_compile()
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parents:
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diff
changeset
|
1205 |
2dcbcfc1a8d1
split ngx_http_script_compile()
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diff
changeset
|
1206 |
2547
912ce4113f21
now regex captures are per-request entities
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parents:
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diff
changeset
|
1207 size_t |
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|
1208 ngx_http_script_copy_capture_len_code(ngx_http_script_engine_t *e) |
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|
1209 { |
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changeset
|
1210 int *cap; |
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|
1211 u_char *p; |
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|
1212 ngx_uint_t n; |
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parents:
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|
1213 ngx_http_request_t *r; |
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|
1214 ngx_http_script_copy_capture_code_t *code; |
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|
1215 |
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|
1216 r = e->request; |
912ce4113f21
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|
1217 |
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|
1218 code = (ngx_http_script_copy_capture_code_t *) e->ip; |
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|
1219 |
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|
1220 e->ip += sizeof(ngx_http_script_copy_capture_code_t); |
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|
1221 |
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|
1222 n = code->n; |
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|
1223 |
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|
1224 if (n < r->ncaptures) { |
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|
1225 |
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|
1226 cap = r->captures; |
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|
1227 |
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|
1228 if ((e->is_args || e->quote) |
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|
1229 && (e->request->quoted_uri || e->request->plus_in_uri)) |
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|
1230 { |
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|
1231 p = r->captures_data; |
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|
1232 |
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|
1233 return cap[n + 1] - cap[n] |
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|
1234 + 2 * ngx_escape_uri(NULL, &p[cap[n]], cap[n + 1] - cap[n], |
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|
1235 NGX_ESCAPE_ARGS); |
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|
1236 } else { |
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|
1237 return cap[n + 1] - cap[n]; |
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|
1238 } |
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|
1239 } |
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|
1240 |
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|
1241 return 0; |
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|
1242 } |
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|
1243 |
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|
1244 |
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|
1245 void |
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|
1246 ngx_http_script_copy_capture_code(ngx_http_script_engine_t *e) |
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|
1247 { |
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changeset
|
1248 int *cap; |
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changeset
|
1249 u_char *p, *pos; |
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|
1250 ngx_uint_t n; |
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|
1251 ngx_http_request_t *r; |
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|
1252 ngx_http_script_copy_capture_code_t *code; |
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1253 |
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1254 r = e->request; |
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1255 |
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1256 code = (ngx_http_script_copy_capture_code_t *) e->ip; |
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1257 |
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1258 e->ip += sizeof(ngx_http_script_copy_capture_code_t); |
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1259 |
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1260 n = code->n; |
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1261 |
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1262 pos = e->pos; |
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1263 |
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1264 if (n < r->ncaptures) { |
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1265 |
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1266 cap = r->captures; |
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1267 p = r->captures_data; |
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1268 |
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1269 if ((e->is_args || e->quote) |
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1270 && (e->request->quoted_uri || e->request->plus_in_uri)) |
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1271 { |
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1272 e->pos = (u_char *) ngx_escape_uri(pos, &p[cap[n]], |
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1273 cap[n + 1] - cap[n], |
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1274 NGX_ESCAPE_ARGS); |
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1275 } else { |
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1276 e->pos = ngx_copy(pos, &p[cap[n]], cap[n + 1] - cap[n]); |
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1277 } |
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1278 } |
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1279 |
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1280 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, |
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1281 "http script capture: \"%*s\"", e->pos - pos, pos); |
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1282 } |
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1283 |
517 | 1284 #endif |
1285 | |
509 | 1286 |
2587
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1287 static ngx_int_t |
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1288 ngx_http_script_add_full_name_code(ngx_http_script_compile_t *sc) |
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1289 { |
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1290 ngx_http_script_full_name_code_t *code; |
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1291 |
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1292 code = ngx_http_script_add_code(*sc->lengths, |
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1293 sizeof(ngx_http_script_full_name_code_t), |
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1294 NULL); |
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1295 if (code == NULL) { |
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1296 return NGX_ERROR; |
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1297 } |
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1298 |
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1299 code->code = (ngx_http_script_code_pt) ngx_http_script_full_name_len_code; |
2758 | 1300 code->conf_prefix = sc->conf_prefix; |
2587
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1301 |
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1302 code = ngx_http_script_add_code(*sc->values, |
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1303 sizeof(ngx_http_script_full_name_code_t), |
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1304 &sc->main); |
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1305 if (code == NULL) { |
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1306 return NGX_ERROR; |
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1307 } |
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1308 |
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1309 code->code = ngx_http_script_full_name_code; |
2758 | 1310 code->conf_prefix = sc->conf_prefix; |
2587
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1311 |
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1312 return NGX_OK; |
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1313 } |
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1314 |
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1315 |
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1316 static size_t |
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1317 ngx_http_script_full_name_len_code(ngx_http_script_engine_t *e) |
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1318 { |
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1319 ngx_http_script_full_name_code_t *code; |
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1320 |
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1321 code = (ngx_http_script_full_name_code_t *) e->ip; |
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1322 |
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1323 e->ip += sizeof(ngx_http_script_full_name_code_t); |
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1324 |
2758 | 1325 return code->conf_prefix ? ngx_cycle->conf_prefix.len: |
1326 ngx_cycle->prefix.len; | |
2587
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1327 } |
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1328 |
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1329 |
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1330 static void |
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1331 ngx_http_script_full_name_code(ngx_http_script_engine_t *e) |
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1332 { |
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1333 ngx_http_script_full_name_code_t *code; |
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1334 |
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1335 ngx_str_t value; |
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1336 |
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1337 code = (ngx_http_script_full_name_code_t *) e->ip; |
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1338 |
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1339 value.data = e->buf.data; |
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1340 value.len = e->pos - e->buf.data; |
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1341 |
2758 | 1342 if (ngx_conf_full_name((ngx_cycle_t *) ngx_cycle, &value, code->conf_prefix) |
2587
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1343 != NGX_OK) |
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1344 { |
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1345 e->ip = ngx_http_script_exit; |
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1346 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; |
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1347 return; |
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1348 } |
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1349 |
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1350 e->buf = value; |
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1351 |
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1352 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, |
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1353 "http script fullname: \"%V\"", &value); |
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1354 |
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1355 e->ip += sizeof(ngx_http_script_full_name_code_t); |
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1356 } |
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1357 |
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1358 |
509 | 1359 void |
1360 ngx_http_script_return_code(ngx_http_script_engine_t *e) | |
577 | 1361 { |
509 | 1362 ngx_http_script_return_code_t *code; |
577 | 1363 |
509 | 1364 code = (ngx_http_script_return_code_t *) e->ip; |
1365 | |
3633 | 1366 if (code->status < NGX_HTTP_BAD_REQUEST |
1367 || code->text.value.len | |
1368 || code->text.lengths) | |
1369 { | |
1370 e->status = ngx_http_send_response(e->request, code->status, NULL, | |
1371 &code->text); | |
1372 } else { | |
1373 e->status = code->status; | |
653 | 1374 } |
1375 | |
3633 | 1376 e->ip = ngx_http_script_exit; |
479 | 1377 } |
509 | 1378 |
1379 | |
1380 void | |
527 | 1381 ngx_http_script_break_code(ngx_http_script_engine_t *e) |
1382 { | |
1383 e->request->uri_changed = 0; | |
1384 | |
1385 e->ip = ngx_http_script_exit; | |
1386 } | |
1387 | |
1388 | |
1389 void | |
509 | 1390 ngx_http_script_if_code(ngx_http_script_engine_t *e) |
1391 { | |
1392 ngx_http_script_if_code_t *code; | |
1393 | |
1394 code = (ngx_http_script_if_code_t *) e->ip; | |
1395 | |
1396 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
1397 "http script if"); | |
1398 | |
1399 e->sp--; | |
1400 | |
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1401 if (e->sp->len && (e->sp->len !=1 || e->sp->data[0] != '0')) { |
509 | 1402 if (code->loc_conf) { |
1403 e->request->loc_conf = code->loc_conf; | |
535 | 1404 ngx_http_update_location_config(e->request); |
509 | 1405 } |
1406 | |
1407 e->ip += sizeof(ngx_http_script_if_code_t); | |
1408 return; | |
1409 } | |
1410 | |
1411 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
577 | 1412 "http script if: false"); |
509 | 1413 |
1414 e->ip += code->next; | |
1415 } | |
1416 | |
1417 | |
1418 void | |
577 | 1419 ngx_http_script_equal_code(ngx_http_script_engine_t *e) |
1420 { | |
1421 ngx_http_variable_value_t *val, *res; | |
1422 | |
1423 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
1424 "http script equal"); | |
1425 | |
1426 e->sp--; | |
1427 val = e->sp; | |
1428 res = e->sp - 1; | |
1429 | |
1430 e->ip += sizeof(uintptr_t); | |
1431 | |
2393 | 1432 if (val->len == res->len |
1433 && ngx_strncmp(val->data, res->data, res->len) == 0) | |
577 | 1434 { |
1435 *res = ngx_http_variable_true_value; | |
1436 return; | |
1437 } | |
1438 | |
1439 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
1440 "http script equal: no"); | |
1441 | |
1442 *res = ngx_http_variable_null_value; | |
1443 } | |
1444 | |
1445 | |
1446 void | |
1447 ngx_http_script_not_equal_code(ngx_http_script_engine_t *e) | |
1448 { | |
1449 ngx_http_variable_value_t *val, *res; | |
1450 | |
1451 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
1452 "http script not equal"); | |
1453 | |
1454 e->sp--; | |
1455 val = e->sp; | |
1456 res = e->sp - 1; | |
1457 | |
1458 e->ip += sizeof(uintptr_t); | |
1459 | |
2393 | 1460 if (val->len == res->len |
1461 && ngx_strncmp(val->data, res->data, res->len) == 0) | |
577 | 1462 { |
1463 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
1464 "http script not equal: no"); | |
1465 | |
1466 *res = ngx_http_variable_null_value; | |
1467 return; | |
1468 } | |
1469 | |
1470 *res = ngx_http_variable_true_value; | |
1471 } | |
1472 | |
1473 | |
1474 void | |
631 | 1475 ngx_http_script_file_code(ngx_http_script_engine_t *e) |
1476 { | |
1454 | 1477 ngx_str_t path; |
1478 ngx_http_request_t *r; | |
1479 ngx_open_file_info_t of; | |
1480 ngx_http_core_loc_conf_t *clcf; | |
631 | 1481 ngx_http_variable_value_t *value; |
1482 ngx_http_script_file_code_t *code; | |
1483 | |
1484 value = e->sp - 1; | |
1485 | |
1486 code = (ngx_http_script_file_code_t *) e->ip; | |
1487 e->ip += sizeof(ngx_http_script_file_code_t); | |
1488 | |
1454 | 1489 path.len = value->len - 1; |
1490 path.data = value->data; | |
1491 | |
1492 r = e->request; | |
1493 | |
1494 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
1495 "http script file op %p \"%V\"", code->op, &path); | |
1496 | |
1497 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
631 | 1498 |
2068
75a8d34459c5
ngx_memzero() ngx_open_file_info_t
Igor Sysoev <igor@sysoev.ru>
parents:
2063
diff
changeset
|
1499 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
|
1500 |
3178 | 1501 of.read_ahead = clcf->read_ahead; |
2129 | 1502 of.directio = clcf->directio; |
1767
c42431762903
open_file_cache_retest > open_file_cache_valid
Igor Sysoev <igor@sysoev.ru>
parents:
1593
diff
changeset
|
1503 of.valid = clcf->open_file_cache_valid; |
1772 | 1504 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
|
1505 of.test_only = 1; |
1454 | 1506 of.errors = clcf->open_file_cache_errors; |
1457 | 1507 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
|
1508 |
13e09cf11d4e
Disable symlinks: initialization of the "disable_symlinks" field in
Valentin Bartenev <vbart@nginx.com>
parents:
4478
diff
changeset
|
1509 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
|
1510 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
|
1511 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
|
1512 return; |
13e09cf11d4e
Disable symlinks: initialization of the "disable_symlinks" field in
Valentin Bartenev <vbart@nginx.com>
parents:
4478
diff
changeset
|
1513 } |
631 | 1514 |
1454 | 1515 if (ngx_open_cached_file(clcf->open_file_cache, &path, &of, r->pool) |
1799 | 1516 != NGX_OK) |
1454 | 1517 { |
3160
a7637c2c1157
low ENAMETOOLONG logging level
Igor Sysoev <igor@sysoev.ru>
parents:
2979
diff
changeset
|
1518 if (of.err != NGX_ENOENT |
a7637c2c1157
low ENAMETOOLONG logging level
Igor Sysoev <igor@sysoev.ru>
parents:
2979
diff
changeset
|
1519 && of.err != NGX_ENOTDIR |
a7637c2c1157
low ENAMETOOLONG logging level
Igor Sysoev <igor@sysoev.ru>
parents:
2979
diff
changeset
|
1520 && of.err != NGX_ENAMETOOLONG) |
a7637c2c1157
low ENAMETOOLONG logging level
Igor Sysoev <igor@sysoev.ru>
parents:
2979
diff
changeset
|
1521 { |
1454 | 1522 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
|
1523 "%s \"%s\" failed", of.failed, value->data); |
631 | 1524 } |
1525 | |
1526 switch (code->op) { | |
671 | 1527 |
631 | 1528 case ngx_http_script_file_plain: |
669 | 1529 case ngx_http_script_file_dir: |
1530 case ngx_http_script_file_exists: | |
1531 case ngx_http_script_file_exec: | |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1532 goto false_value; |
671 | 1533 |
631 | 1534 case ngx_http_script_file_not_plain: |
669 | 1535 case ngx_http_script_file_not_dir: |
671 | 1536 case ngx_http_script_file_not_exists: |
669 | 1537 case ngx_http_script_file_not_exec: |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1538 goto true_value; |
631 | 1539 } |
1540 | |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1541 goto false_value; |
631 | 1542 } |
1543 | |
1544 switch (code->op) { | |
1545 case ngx_http_script_file_plain: | |
1454 | 1546 if (of.is_file) { |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1547 goto true_value; |
631 | 1548 } |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1549 goto false_value; |
631 | 1550 |
1551 case ngx_http_script_file_not_plain: | |
1454 | 1552 if (of.is_file) { |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1553 goto false_value; |
631 | 1554 } |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1555 goto true_value; |
669 | 1556 |
1557 case ngx_http_script_file_dir: | |
1454 | 1558 if (of.is_dir) { |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1559 goto true_value; |
669 | 1560 } |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1561 goto false_value; |
669 | 1562 |
1563 case ngx_http_script_file_not_dir: | |
1454 | 1564 if (of.is_dir) { |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1565 goto false_value; |
669 | 1566 } |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1567 goto true_value; |
669 | 1568 |
1569 case ngx_http_script_file_exists: | |
1454 | 1570 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
|
1571 goto true_value; |
669 | 1572 } |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1573 goto false_value; |
669 | 1574 |
1575 case ngx_http_script_file_not_exists: | |
1454 | 1576 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
|
1577 goto false_value; |
669 | 1578 } |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1579 goto true_value; |
669 | 1580 |
1581 case ngx_http_script_file_exec: | |
1454 | 1582 if (of.is_exec) { |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1583 goto true_value; |
669 | 1584 } |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1585 goto false_value; |
669 | 1586 |
1587 case ngx_http_script_file_not_exec: | |
1454 | 1588 if (of.is_exec) { |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1589 goto false_value; |
669 | 1590 } |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1591 goto true_value; |
631 | 1592 } |
1593 | |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1594 false_value: |
631 | 1595 |
1454 | 1596 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
631 | 1597 "http script file op false"); |
1598 | |
1599 *value = ngx_http_variable_null_value; | |
1600 return; | |
1601 | |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1602 true_value: |
631 | 1603 |
1604 *value = ngx_http_variable_true_value; | |
1605 return; | |
1606 } | |
1607 | |
1608 | |
1609 void | |
515 | 1610 ngx_http_script_complex_value_code(ngx_http_script_engine_t *e) |
1611 { | |
1612 size_t len; | |
1613 ngx_http_script_engine_t le; | |
1614 ngx_http_script_len_code_pt lcode; | |
1615 ngx_http_script_complex_value_code_t *code; | |
1616 | |
1617 code = (ngx_http_script_complex_value_code_t *) e->ip; | |
1618 | |
1619 e->ip += sizeof(ngx_http_script_complex_value_code_t); | |
1620 | |
1621 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
1622 "http script complex value"); | |
1623 | |
1624 ngx_memzero(&le, sizeof(ngx_http_script_engine_t)); | |
1625 | |
1626 le.ip = code->lengths->elts; | |
655 | 1627 le.line = e->line; |
515 | 1628 le.request = e->request; |
655 | 1629 le.quote = e->quote; |
515 | 1630 |
1631 for (len = 0; *(uintptr_t *) le.ip; len += lcode(&le)) { | |
1632 lcode = *(ngx_http_script_len_code_pt *) le.ip; | |
1633 } | |
1634 | |
1635 e->buf.len = len; | |
2049 | 1636 e->buf.data = ngx_pnalloc(e->request->pool, len); |
515 | 1637 if (e->buf.data == NULL) { |
1638 e->ip = ngx_http_script_exit; | |
1639 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
1640 return; | |
1641 } | |
1642 | |
1643 e->pos = e->buf.data; | |
1644 | |
577 | 1645 e->sp->len = e->buf.len; |
573 | 1646 e->sp->data = e->buf.data; |
515 | 1647 e->sp++; |
1648 } | |
1649 | |
1650 | |
1651 void | |
509 | 1652 ngx_http_script_value_code(ngx_http_script_engine_t *e) |
1653 { | |
1654 ngx_http_script_value_code_t *code; | |
1655 | |
1656 code = (ngx_http_script_value_code_t *) e->ip; | |
1657 | |
1658 e->ip += sizeof(ngx_http_script_value_code_t); | |
1659 | |
573 | 1660 e->sp->len = code->text_len; |
1661 e->sp->data = (u_char *) code->text_data; | |
577 | 1662 |
1663 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
1561 | 1664 "http script value: \"%v\"", e->sp); |
577 | 1665 |
509 | 1666 e->sp++; |
1667 } | |
1668 | |
1669 | |
1670 void | |
1671 ngx_http_script_set_var_code(ngx_http_script_engine_t *e) | |
1672 { | |
1673 ngx_http_request_t *r; | |
1674 ngx_http_script_var_code_t *code; | |
1675 | |
1676 code = (ngx_http_script_var_code_t *) e->ip; | |
1677 | |
1678 e->ip += sizeof(ngx_http_script_var_code_t); | |
1679 | |
1680 r = e->request; | |
1681 | |
1682 e->sp--; | |
1683 | |
573 | 1684 r->variables[code->index].len = e->sp->len; |
1685 r->variables[code->index].valid = 1; | |
1565 | 1686 r->variables[code->index].no_cacheable = 0; |
573 | 1687 r->variables[code->index].not_found = 0; |
1688 r->variables[code->index].data = e->sp->data; | |
2393 | 1689 |
1690 #if (NGX_DEBUG) | |
1691 { | |
1692 ngx_http_variable_t *v; | |
1693 ngx_http_core_main_conf_t *cmcf; | |
1694 | |
1695 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); | |
1696 | |
1697 v = cmcf->variables.elts; | |
1698 | |
1699 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
1700 "http script set $%V", &v[code->index].name); | |
1701 } | |
1702 #endif | |
509 | 1703 } |
1704 | |
1705 | |
1706 void | |
637 | 1707 ngx_http_script_var_set_handler_code(ngx_http_script_engine_t *e) |
1708 { | |
1709 ngx_http_script_var_handler_code_t *code; | |
1710 | |
1711 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
1712 "http script set var handler"); | |
1713 | |
1714 code = (ngx_http_script_var_handler_code_t *) e->ip; | |
1715 | |
1716 e->ip += sizeof(ngx_http_script_var_handler_code_t); | |
1717 | |
1718 e->sp--; | |
1719 | |
1720 code->handler(e->request, e->sp, code->data); | |
1721 } | |
1722 | |
1723 | |
1724 void | |
509 | 1725 ngx_http_script_var_code(ngx_http_script_engine_t *e) |
1726 { | |
1727 ngx_http_variable_value_t *value; | |
1728 ngx_http_script_var_code_t *code; | |
1729 | |
1730 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
1731 "http script var"); | |
1732 | |
1733 code = (ngx_http_script_var_code_t *) e->ip; | |
1734 | |
1735 e->ip += sizeof(ngx_http_script_var_code_t); | |
1736 | |
573 | 1737 value = ngx_http_get_flushed_variable(e->request, code->index); |
509 | 1738 |
573 | 1739 if (value && !value->not_found) { |
1740 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
|
1741 "http script var: \"%v\"", value); |
573 | 1742 |
553 | 1743 *e->sp = *value; |
509 | 1744 e->sp++; |
1745 | |
1746 return; | |
1747 } | |
1748 | |
577 | 1749 *e->sp = ngx_http_variable_null_value; |
509 | 1750 e->sp++; |
1751 } | |
1752 | |
1753 | |
1754 void | |
1755 ngx_http_script_nop_code(ngx_http_script_engine_t *e) | |
1756 { | |
1757 e->ip += sizeof(uintptr_t); | |
1758 } |