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56
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1
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 */
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5
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6
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7 #include <ngx_config.h>
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8 #include <ngx_core.h>
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9 #include <ngx_http.h>
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10
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11
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58
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12 #define ngx_http_script_exit (u_char *) &ngx_http_script_exit_code
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13
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14 static uintptr_t ngx_http_script_exit_code = (uintptr_t) NULL;
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15
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16
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17 ngx_uint_t
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18 ngx_http_script_variables_count(ngx_str_t *value)
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56
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19 {
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58
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20 ngx_uint_t i, n;
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56
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21
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58
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22 for (n = 0, i = 0; i < value->len; i++) {
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23 if (value->data[i] == '$') {
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24 n++;
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25 }
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56
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26 }
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27
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58
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28 return n;
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29 }
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30
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31
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32 ngx_int_t
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33 ngx_http_script_compile(ngx_http_script_compile_t *sc)
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34 {
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35 u_char ch;
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36 size_t size;
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122
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37 ngx_int_t index, *p;
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58
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38 ngx_str_t name;
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39 uintptr_t *code;
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40 ngx_uint_t i, n, bracket;
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41 ngx_http_script_var_code_t *var_code;
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42 ngx_http_script_copy_code_t *copy;
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43 ngx_http_script_copy_capture_code_t *copy_capture;
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44
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122
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45 if (sc->flushes && *sc->flushes == NULL) {
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46 n = sc->variables ? sc->variables : 1;
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47 *sc->flushes = ngx_array_create(sc->cf->pool, n, sizeof(ngx_uint_t));
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48 if (*sc->flushes == NULL) {
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49 return NGX_ERROR;
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50 }
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51 }
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52
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53
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58
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54 if (*sc->lengths == NULL) {
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55 n = sc->variables * (2 * sizeof(ngx_http_script_copy_code_t)
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56 + sizeof(ngx_http_script_var_code_t))
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57 + sizeof(uintptr_t);
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58
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59 *sc->lengths = ngx_array_create(sc->cf->pool, n, 1);
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60 if (*sc->lengths == NULL) {
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61 return NGX_ERROR;
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62 }
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63 }
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64
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65
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66 if (*sc->values == NULL) {
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67 n = (sc->variables * (2 * sizeof(ngx_http_script_copy_code_t)
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68 + sizeof(ngx_http_script_var_code_t))
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69 + sizeof(uintptr_t)
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70 + sc->source->len
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71 + sizeof(uintptr_t) - 1)
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72 & ~(sizeof(uintptr_t) - 1);
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73
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74 *sc->values = ngx_array_create(sc->cf->pool, n, 1);
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75 if (*sc->values == NULL) {
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56
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76 return NGX_ERROR;
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77 }
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78 }
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79
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58
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80 sc->variables = 0;
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81
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82 for (i = 0; i < sc->source->len; /* void */ ) {
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83
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84 name.len = 0;
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85
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86 if (sc->source->data[i] == '$') {
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87
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88 if (++i == sc->source->len) {
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89 goto invalid_variable;
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90 }
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91
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92 if (sc->source->data[i] >= '1' && sc->source->data[i] <= '9') {
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93
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190
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94 n = sc->source->data[i] - '0';
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95
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96 if (sc->captures_mask & (1 << n)) {
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97 sc->dup_capture = 1;
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98 }
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99
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100 sc->captures_mask |= 1 << n;
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101
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58
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102 copy_capture = ngx_http_script_add_code(*sc->lengths,
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103 sizeof(ngx_http_script_copy_capture_code_t),
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104 NULL);
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105 if (copy_capture == NULL) {
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106 return NGX_ERROR;
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107 }
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108
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109 copy_capture->code = (ngx_http_script_code_pt)
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110 ngx_http_script_copy_capture_len_code;
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190
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111 copy_capture->n = 2 * n;
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112
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58
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113
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114 copy_capture = ngx_http_script_add_code(*sc->values,
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115 sizeof(ngx_http_script_copy_capture_code_t),
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116 &sc->main);
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117 if (copy_capture == NULL) {
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118 return NGX_ERROR;
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119 }
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120
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121 copy_capture->code = ngx_http_script_copy_capture_code;
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190
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122 copy_capture->n = 2 * n;
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58
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123
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190
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124 if (sc->ncaptures < n) {
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125 sc->ncaptures = n;
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58
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126 }
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127
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128 i++;
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129
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130 continue;
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131 }
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132
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133 if (sc->source->data[i] == '{') {
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134 bracket = 1;
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135
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136 if (++i == sc->source->len) {
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137 goto invalid_variable;
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138 }
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139
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140 name.data = &sc->source->data[i];
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141
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142 } else {
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143 bracket = 0;
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144 name.data = &sc->source->data[i];
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145 }
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146
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147 for ( /* void */ ; i < sc->source->len; i++, name.len++) {
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148 ch = sc->source->data[i];
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56
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149
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58
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150 if (ch == '}' && bracket) {
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151 i++;
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152 bracket = 0;
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153 break;
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154 }
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155
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156 if ((ch >= 'A' && ch <= 'Z')
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157 || (ch >= 'a' && ch <= 'z')
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158 || (ch >= '0' && ch <= '9')
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159 || ch == '_')
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160 {
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161 continue;
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162 }
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163
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164 break;
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165 }
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166
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167 if (bracket) {
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168 ngx_conf_log_error(NGX_LOG_EMERG, sc->cf, 0,
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169 "the closing bracket in \"%V\" "
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170 "variable is missing", &name);
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56
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171 return NGX_ERROR;
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172 }
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173
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58
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174 if (name.len == 0) {
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175 goto invalid_variable;
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176 }
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56
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177
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58
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178 sc->variables++;
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56
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179
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58
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180 index = ngx_http_get_variable_index(sc->cf, &name);
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181
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182 if (index == NGX_ERROR) {
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56
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183 return NGX_ERROR;
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184 }
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185
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122
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186 if (sc->flushes) {
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187 p = ngx_array_push(*sc->flushes);
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188 if (p == NULL) {
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189 return NGX_ERROR;
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190 }
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191
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192 *p = index;
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193 }
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194
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58
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195 var_code = ngx_http_script_add_code(*sc->lengths,
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196 sizeof(ngx_http_script_var_code_t),
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197 NULL);
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56
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198 if (var_code == NULL) {
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199 return NGX_ERROR;
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200 }
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201
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202 var_code->code = (ngx_http_script_code_pt)
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58
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203 ngx_http_script_copy_var_len_code;
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204 var_code->index = (uintptr_t) index;
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56
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205
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206
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58
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207 var_code = ngx_http_script_add_code(*sc->values,
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208 sizeof(ngx_http_script_var_code_t),
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209 &sc->main);
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56
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210 if (var_code == NULL) {
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211 return NGX_ERROR;
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212 }
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213
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58
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214 var_code->code = ngx_http_script_copy_var_code;
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215 var_code->index = (uintptr_t) index;
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216
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217 continue;
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218 }
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219
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220 if (sc->source->data[i] == '?' && sc->compile_args) {
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221 sc->args = 1;
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222 sc->compile_args = 0;
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56
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223
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366
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224 code = ngx_http_script_add_code(*sc->lengths, sizeof(uintptr_t),
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225 NULL);
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226 if (code == NULL) {
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227 return NGX_ERROR;
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228 }
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229
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230 *code = (uintptr_t) ngx_http_script_mark_args_code;
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231
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58
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232 code = ngx_http_script_add_code(*sc->values, sizeof(uintptr_t),
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233 &sc->main);
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234 if (code == NULL) {
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56
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235 return NGX_ERROR;
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236 }
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237
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58
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238 *code = (uintptr_t) ngx_http_script_start_args_code;
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239
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240 i++;
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241
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56
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242 continue;
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243 }
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244
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58
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245 name.data = &sc->source->data[i];
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246
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247 while (i < sc->source->len
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248 && sc->source->data[i] != '$'
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249 && !(sc->source->data[i] == '?' && sc->compile_args))
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250 {
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251 i++;
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252 name.len++;
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253 }
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254
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255 sc->size += name.len;
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256
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257 copy = ngx_http_script_add_code(*sc->lengths,
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258 sizeof(ngx_http_script_copy_code_t),
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259 NULL);
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260 if (copy == NULL) {
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56
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261 return NGX_ERROR;
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262 }
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58
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263
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264 copy->code = (ngx_http_script_code_pt) ngx_http_script_copy_len_code;
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265 copy->len = name.len;
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266
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267 size = (sizeof(ngx_http_script_copy_code_t) + name.len
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268 + sizeof(uintptr_t) - 1)
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269 & ~(sizeof(uintptr_t) - 1);
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56
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270
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58
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271 copy = ngx_http_script_add_code(*sc->values, size, &sc->main);
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272 if (copy == NULL) {
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273 return NGX_ERROR;
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274 }
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275
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276 copy->code = ngx_http_script_copy_code;
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277 copy->len = name.len;
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278
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279 ngx_memcpy((u_char *) copy + sizeof(ngx_http_script_copy_code_t),
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280 name.data, name.len);
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56
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281 }
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282
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58
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283 if (sc->complete_lengths) {
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284 code = ngx_http_script_add_code(*sc->lengths, sizeof(uintptr_t), NULL);
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285 if (code == NULL) {
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286 return NGX_ERROR;
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287 }
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56
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288
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58
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289 *code = (uintptr_t) NULL;
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56
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290 }
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291
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58
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292 if (sc->complete_values) {
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293 code = ngx_http_script_add_code(*sc->values, sizeof(uintptr_t),
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294 &sc->main);
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295 if (code == NULL) {
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296 return NGX_ERROR;
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297 }
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298
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299 *code = (uintptr_t) NULL;
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300 }
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56
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301
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302 return NGX_OK;
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58
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303
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304 invalid_variable:
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305
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306 ngx_conf_log_error(NGX_LOG_EMERG, sc->cf, 0, "invalid variable name");
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307
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308 return NGX_ERROR;
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56
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309 }
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310
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311
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172
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312 u_char *
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313 ngx_http_script_run(ngx_http_request_t *r, ngx_str_t *value,
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314 void *code_lengths, size_t len, void *code_values)
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315 {
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294
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316 ngx_uint_t i;
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317 ngx_http_script_code_pt code;
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318 ngx_http_script_len_code_pt lcode;
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319 ngx_http_script_engine_t e;
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320 ngx_http_core_main_conf_t *cmcf;
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321
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322 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module);
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323
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324 for (i = 0; i < cmcf->variables.nelts; i++) {
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340
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325 if (r->variables[i].no_cacheable) {
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294
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326 r->variables[i].valid = 0;
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327 r->variables[i].not_found = 0;
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328 }
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329 }
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172
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330
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331 ngx_memzero(&e, sizeof(ngx_http_script_engine_t));
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332
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333 e.ip = code_lengths;
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334 e.request = r;
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335 e.flushed = 1;
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336
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337 while (*(uintptr_t *) e.ip) {
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338 lcode = *(ngx_http_script_len_code_pt *) e.ip;
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339 len += lcode(&e);
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340 }
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341
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342
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343 value->len = len;
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382
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344 value->data = ngx_pnalloc(r->pool, len);
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172
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345 if (value->data == NULL) {
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346 return NULL;
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347 }
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348
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349 e.ip = code_values;
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350 e.pos = value->data;
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351
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352 while (*(uintptr_t *) e.ip) {
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353 code = *(ngx_http_script_code_pt *) e.ip;
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354 code((ngx_http_script_engine_t *) &e);
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355 }
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356
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357 return e.pos;
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358 }
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359
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360
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122
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361 void
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340
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362 ngx_http_script_flush_no_cacheable_variables(ngx_http_request_t *r,
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122
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363 ngx_array_t *indices)
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364 {
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365 ngx_uint_t n, *index;
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366
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367 if (indices) {
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368 index = indices->elts;
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369 for (n = 0; n < indices->nelts; n++) {
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340
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370 if (r->variables[index[n]].no_cacheable) {
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122
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371 r->variables[index[n]].valid = 0;
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372 r->variables[index[n]].not_found = 0;
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373 }
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374 }
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375 }
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376 }
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377
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378
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58
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379 void *
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56
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380 ngx_http_script_start_code(ngx_pool_t *pool, ngx_array_t **codes, size_t size)
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381 {
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382 if (*codes == NULL) {
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383 *codes = ngx_array_create(pool, 256, 1);
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384 if (*codes == NULL) {
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385 return NULL;
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386 }
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387 }
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388
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389 return ngx_array_push_n(*codes, size);
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390 }
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391
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58
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392
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393 void *
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394 ngx_http_script_add_code(ngx_array_t *codes, size_t size, void *code)
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395 {
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396 u_char *elts, **p;
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397 void *new;
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398
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399 elts = codes->elts;
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400
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401 new = ngx_array_push_n(codes, size);
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402 if (new == NULL) {
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403 return NGX_CONF_ERROR;
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404 }
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405
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406 if (code) {
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407 if (elts != codes->elts) {
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408 p = code;
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409 *p += (u_char *) codes->elts - elts;
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410 }
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411 }
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412
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413 return new;
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414 }
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56
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415
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416
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417 size_t
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58
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418 ngx_http_script_copy_len_code(ngx_http_script_engine_t *e)
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56
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419 {
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420 ngx_http_script_copy_code_t *code;
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421
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58
|
422 code = (ngx_http_script_copy_code_t *) e->ip;
|
|
56
|
423
|
|
58
|
424 e->ip += sizeof(ngx_http_script_copy_code_t);
|
|
56
|
425
|
|
|
426 return code->len;
|
|
|
427 }
|
|
|
428
|
|
|
429
|
|
|
430 void
|
|
58
|
431 ngx_http_script_copy_code(ngx_http_script_engine_t *e)
|
|
56
|
432 {
|
|
430
|
433 u_char *p;
|
|
56
|
434 ngx_http_script_copy_code_t *code;
|
|
|
435
|
|
58
|
436 code = (ngx_http_script_copy_code_t *) e->ip;
|
|
|
437
|
|
430
|
438 p = e->pos;
|
|
|
439
|
|
58
|
440 if (!e->skip) {
|
|
430
|
441 e->pos = ngx_copy(p, e->ip + sizeof(ngx_http_script_copy_code_t),
|
|
122
|
442 code->len);
|
|
58
|
443 }
|
|
56
|
444
|
|
58
|
445 e->ip += sizeof(ngx_http_script_copy_code_t)
|
|
|
446 + ((code->len + sizeof(uintptr_t) - 1) & ~(sizeof(uintptr_t) - 1));
|
|
56
|
447
|
|
430
|
448 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0,
|
|
|
449 "http script copy: \"%*s\"", e->pos - p, p);
|
|
56
|
450 }
|
|
|
451
|
|
|
452
|
|
|
453 size_t
|
|
58
|
454 ngx_http_script_copy_var_len_code(ngx_http_script_engine_t *e)
|
|
56
|
455 {
|
|
|
456 ngx_http_variable_value_t *value;
|
|
|
457 ngx_http_script_var_code_t *code;
|
|
|
458
|
|
58
|
459 code = (ngx_http_script_var_code_t *) e->ip;
|
|
56
|
460
|
|
58
|
461 e->ip += sizeof(ngx_http_script_var_code_t);
|
|
56
|
462
|
|
122
|
463 if (e->flushed) {
|
|
|
464 value = ngx_http_get_indexed_variable(e->request, code->index);
|
|
56
|
465
|
|
122
|
466 } else {
|
|
|
467 value = ngx_http_get_flushed_variable(e->request, code->index);
|
|
|
468 }
|
|
|
469
|
|
|
470 if (value && !value->not_found) {
|
|
|
471 return value->len;
|
|
56
|
472 }
|
|
|
473
|
|
102
|
474 return 0;
|
|
56
|
475 }
|
|
|
476
|
|
|
477
|
|
|
478 void
|
|
58
|
479 ngx_http_script_copy_var_code(ngx_http_script_engine_t *e)
|
|
56
|
480 {
|
|
430
|
481 u_char *p;
|
|
56
|
482 ngx_http_variable_value_t *value;
|
|
|
483 ngx_http_script_var_code_t *code;
|
|
|
484
|
|
58
|
485 code = (ngx_http_script_var_code_t *) e->ip;
|
|
|
486
|
|
|
487 e->ip += sizeof(ngx_http_script_var_code_t);
|
|
|
488
|
|
|
489 if (!e->skip) {
|
|
122
|
490
|
|
|
491 if (e->flushed) {
|
|
|
492 value = ngx_http_get_indexed_variable(e->request, code->index);
|
|
58
|
493
|
|
122
|
494 } else {
|
|
|
495 value = ngx_http_get_flushed_variable(e->request, code->index);
|
|
|
496 }
|
|
|
497
|
|
|
498 if (value && !value->not_found) {
|
|
430
|
499 p = e->pos;
|
|
|
500 e->pos = ngx_copy(p, value->data, value->len);
|
|
58
|
501
|
|
430
|
502 ngx_log_debug2(NGX_LOG_DEBUG_HTTP,
|
|
256
|
503 e->request->connection->log, 0,
|
|
430
|
504 "http script var: \"%*s\"", e->pos - p, p);
|
|
58
|
505 }
|
|
|
506 }
|
|
|
507 }
|
|
|
508
|
|
|
509
|
|
|
510 size_t
|
|
|
511 ngx_http_script_copy_capture_len_code(ngx_http_script_engine_t *e)
|
|
|
512 {
|
|
|
513 ngx_http_script_copy_capture_code_t *code;
|
|
|
514
|
|
|
515 code = (ngx_http_script_copy_capture_code_t *) e->ip;
|
|
|
516
|
|
|
517 e->ip += sizeof(ngx_http_script_copy_capture_code_t);
|
|
|
518
|
|
64
|
519 if (code->n < e->ncaptures) {
|
|
366
|
520 if ((e->is_args || e->quote)
|
|
64
|
521 && (e->request->quoted_uri || e->request->plus_in_uri))
|
|
|
522 {
|
|
|
523 return e->captures[code->n + 1] - e->captures[code->n]
|
|
204
|
524 + 2 * ngx_escape_uri(NULL,
|
|
64
|
525 &e->line.data[e->captures[code->n]],
|
|
58
|
526 e->captures[code->n + 1] - e->captures[code->n],
|
|
|
527 NGX_ESCAPE_ARGS);
|
|
64
|
528 } else {
|
|
|
529 return e->captures[code->n + 1] - e->captures[code->n];
|
|
|
530 }
|
|
58
|
531 }
|
|
64
|
532
|
|
|
533 return 0;
|
|
58
|
534 }
|
|
|
535
|
|
|
536
|
|
|
537 void
|
|
|
538 ngx_http_script_copy_capture_code(ngx_http_script_engine_t *e)
|
|
|
539 {
|
|
430
|
540 u_char *p;
|
|
58
|
541 ngx_http_script_copy_capture_code_t *code;
|
|
|
542
|
|
|
543 code = (ngx_http_script_copy_capture_code_t *) e->ip;
|
|
|
544
|
|
|
545 e->ip += sizeof(ngx_http_script_copy_capture_code_t);
|
|
56
|
546
|
|
430
|
547 p = e->pos;
|
|
|
548
|
|
64
|
549 if (code->n < e->ncaptures) {
|
|
366
|
550 if ((e->is_args || e->quote)
|
|
64
|
551 && (e->request->quoted_uri || e->request->plus_in_uri))
|
|
|
552 {
|
|
430
|
553 e->pos = (u_char *) ngx_escape_uri(p,
|
|
64
|
554 &e->line.data[e->captures[code->n]],
|
|
58
|
555 e->captures[code->n + 1] - e->captures[code->n],
|
|
|
556 NGX_ESCAPE_ARGS);
|
|
64
|
557 } else {
|
|
430
|
558 e->pos = ngx_copy(p,
|
|
122
|
559 &e->line.data[e->captures[code->n]],
|
|
|
560 e->captures[code->n + 1] - e->captures[code->n]);
|
|
64
|
561 }
|
|
58
|
562 }
|
|
|
563
|
|
430
|
564 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0,
|
|
|
565 "http script capture: \"%*s\"", e->pos - p, p);
|
|
58
|
566 }
|
|
|
567
|
|
|
568
|
|
366
|
569 size_t
|
|
|
570 ngx_http_script_mark_args_code(ngx_http_script_engine_t *e)
|
|
|
571 {
|
|
|
572 e->is_args = 1;
|
|
|
573 e->ip += sizeof(uintptr_t);
|
|
|
574
|
|
|
575 return 1;
|
|
|
576 }
|
|
|
577
|
|
|
578
|
|
58
|
579 void
|
|
|
580 ngx_http_script_start_args_code(ngx_http_script_engine_t *e)
|
|
|
581 {
|
|
|
582 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0,
|
|
|
583 "http script args");
|
|
126
|
584
|
|
404
|
585 e->is_args = 1;
|
|
58
|
586 e->args = e->pos;
|
|
|
587 e->ip += sizeof(uintptr_t);
|
|
|
588 }
|
|
|
589
|
|
|
590
|
|
66
|
591
|
|
|
592 #if (NGX_PCRE)
|
|
|
593
|
|
58
|
594 void
|
|
|
595 ngx_http_script_regex_start_code(ngx_http_script_engine_t *e)
|
|
|
596 {
|
|
|
597 size_t len;
|
|
|
598 ngx_int_t rc;
|
|
|
599 ngx_uint_t n;
|
|
|
600 ngx_http_request_t *r;
|
|
|
601 ngx_http_script_engine_t le;
|
|
|
602 ngx_http_script_len_code_pt lcode;
|
|
|
603 ngx_http_script_regex_code_t *code;
|
|
|
604
|
|
|
605 code = (ngx_http_script_regex_code_t *) e->ip;
|
|
|
606
|
|
|
607 r = e->request;
|
|
|
608
|
|
|
609 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
610 "http script regex: \"%V\"", &code->name);
|
|
|
611
|
|
|
612 if (code->uri) {
|
|
64
|
613 e->line = r->uri;
|
|
58
|
614 } else {
|
|
|
615 e->sp--;
|
|
122
|
616 e->line.len = e->sp->len;
|
|
|
617 e->line.data = e->sp->data;
|
|
58
|
618 }
|
|
56
|
619
|
|
64
|
620 rc = ngx_regex_exec(code->regex, &e->line, e->captures, code->ncaptures);
|
|
58
|
621
|
|
|
622 if (rc == NGX_REGEX_NO_MATCHED) {
|
|
430
|
623 if (e->log || (r->connection->log->log_level & NGX_LOG_DEBUG_HTTP)) {
|
|
58
|
624 ngx_log_error(NGX_LOG_NOTICE, r->connection->log, 0,
|
|
64
|
625 "\"%V\" does not match \"%V\"",
|
|
|
626 &code->name, &e->line);
|
|
58
|
627 }
|
|
|
628
|
|
64
|
629 e->ncaptures = 0;
|
|
|
630
|
|
58
|
631 if (code->test) {
|
|
180
|
632 if (code->negative_test) {
|
|
|
633 e->sp->len = 1;
|
|
|
634 e->sp->data = (u_char *) "1";
|
|
|
635
|
|
|
636 } else {
|
|
|
637 e->sp->len = 0;
|
|
|
638 e->sp->data = (u_char *) "";
|
|
|
639 }
|
|
|
640
|
|
58
|
641 e->sp++;
|
|
|
642
|
|
|
643 e->ip += sizeof(ngx_http_script_regex_code_t);
|
|
|
644 return;
|
|
|
645 }
|
|
|
646
|
|
|
647 e->ip += code->next;
|
|
|
648 return;
|
|
|
649 }
|
|
|
650
|
|
|
651 if (rc < 0) {
|
|
|
652 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
|
|
|
653 ngx_regex_exec_n " failed: %d on \"%V\" using \"%V\"",
|
|
64
|
654 rc, &e->line, &code->name);
|
|
58
|
655
|
|
|
656 e->ip = ngx_http_script_exit;
|
|
|
657 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
658 return;
|
|
|
659 }
|
|
|
660
|
|
430
|
661 if (e->log || (r->connection->log->log_level & NGX_LOG_DEBUG_HTTP)) {
|
|
58
|
662 ngx_log_error(NGX_LOG_NOTICE, r->connection->log, 0,
|
|
64
|
663 "\"%V\" matches \"%V\"", &code->name, &e->line);
|
|
58
|
664 }
|
|
|
665
|
|
64
|
666 e->ncaptures = code->ncaptures;
|
|
|
667
|
|
58
|
668 if (code->test) {
|
|
180
|
669 if (code->negative_test) {
|
|
|
670 e->sp->len = 0;
|
|
|
671 e->sp->data = (u_char *) "";
|
|
|
672
|
|
|
673 } else {
|
|
|
674 e->sp->len = 1;
|
|
|
675 e->sp->data = (u_char *) "1";
|
|
|
676 }
|
|
|
677
|
|
58
|
678 e->sp++;
|
|
|
679
|
|
|
680 e->ip += sizeof(ngx_http_script_regex_code_t);
|
|
|
681 return;
|
|
|
682 }
|
|
|
683
|
|
|
684 if (code->status) {
|
|
|
685 e->status = code->status;
|
|
56
|
686
|
|
58
|
687 if (!code->redirect) {
|
|
|
688 e->ip = ngx_http_script_exit;
|
|
|
689 return;
|
|
|
690 }
|
|
|
691 }
|
|
|
692
|
|
|
693 if (code->uri) {
|
|
|
694 r->internal = 1;
|
|
|
695 r->valid_unparsed_uri = 0;
|
|
|
696
|
|
|
697 if (code->break_cycle) {
|
|
|
698 r->valid_location = 0;
|
|
76
|
699 r->uri_changed = 0;
|
|
58
|
700
|
|
|
701 } else {
|
|
|
702 r->uri_changed = 1;
|
|
|
703 }
|
|
|
704 }
|
|
|
705
|
|
|
706 if (code->lengths == NULL) {
|
|
|
707 e->buf.len = code->size;
|
|
|
708
|
|
|
709 if (code->uri) {
|
|
|
710 if (rc && (r->quoted_uri || r->plus_in_uri)) {
|
|
|
711 e->buf.len += 2 * ngx_escape_uri(NULL, r->uri.data, r->uri.len,
|
|
|
712 NGX_ESCAPE_ARGS);
|
|
|
713 }
|
|
|
714 }
|
|
|
715
|
|
|
716 for (n = 1; n < (ngx_uint_t) rc; n++) {
|
|
|
717 e->buf.len += e->captures[2 * n + 1] - e->captures[2 * n];
|
|
|
718 }
|
|
|
719
|
|
|
720 } else {
|
|
|
721 ngx_memzero(&le, sizeof(ngx_http_script_engine_t));
|
|
|
722
|
|
|
723 le.ip = code->lengths->elts;
|
|
228
|
724 le.line = e->line;
|
|
58
|
725 le.request = r;
|
|
|
726 le.captures = e->captures;
|
|
64
|
727 le.ncaptures = e->ncaptures;
|
|
228
|
728 le.quote = code->redirect;
|
|
58
|
729
|
|
366
|
730 len = 0;
|
|
58
|
731
|
|
|
732 while (*(uintptr_t *) le.ip) {
|
|
|
733 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
734 len += lcode(&le);
|
|
|
735 }
|
|
|
736
|
|
|
737 e->buf.len = len;
|
|
366
|
738 e->is_args = le.is_args;
|
|
58
|
739 }
|
|
|
740
|
|
64
|
741 if (code->add_args && r->args.len) {
|
|
58
|
742 e->buf.len += r->args.len + 1;
|
|
|
743 }
|
|
|
744
|
|
382
|
745 e->buf.data = ngx_pnalloc(r->pool, e->buf.len);
|
|
58
|
746 if (e->buf.data == NULL) {
|
|
|
747 e->ip = ngx_http_script_exit;
|
|
|
748 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
56
|
749 return;
|
|
|
750 }
|
|
|
751
|
|
58
|
752 e->quote = code->redirect;
|
|
|
753
|
|
|
754 e->pos = e->buf.data;
|
|
|
755
|
|
|
756 e->ip += sizeof(ngx_http_script_regex_code_t);
|
|
|
757 }
|
|
|
758
|
|
|
759
|
|
|
760 void
|
|
|
761 ngx_http_script_regex_end_code(ngx_http_script_engine_t *e)
|
|
|
762 {
|
|
126
|
763 u_char *dst, *src;
|
|
58
|
764 ngx_http_request_t *r;
|
|
|
765 ngx_http_script_regex_end_code_t *code;
|
|
|
766
|
|
|
767 code = (ngx_http_script_regex_end_code_t *) e->ip;
|
|
|
768
|
|
|
769 r = e->request;
|
|
|
770
|
|
|
771 e->quote = 0;
|
|
|
772
|
|
|
773 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
774 "http script regex end");
|
|
|
775
|
|
|
776 if (code->redirect) {
|
|
|
777
|
|
126
|
778 dst = e->buf.data;
|
|
|
779 src = e->buf.data;
|
|
|
780
|
|
342
|
781 ngx_unescape_uri(&dst, &src, e->pos - e->buf.data,
|
|
|
782 NGX_UNESCAPE_REDIRECT);
|
|
126
|
783
|
|
|
784 if (src < e->pos) {
|
|
|
785 dst = ngx_copy(dst, src, e->pos - src);
|
|
|
786 }
|
|
|
787
|
|
|
788 e->pos = dst;
|
|
|
789
|
|
|
790 if (code->add_args && r->args.len) {
|
|
58
|
791 *e->pos++ = (u_char) (code->args ? '&' : '?');
|
|
122
|
792 e->pos = ngx_copy(e->pos, r->args.data, r->args.len);
|
|
58
|
793 }
|
|
|
794
|
|
|
795 e->buf.len = e->pos - e->buf.data;
|
|
|
796
|
|
430
|
797 if (e->log || (r->connection->log->log_level & NGX_LOG_DEBUG_HTTP)) {
|
|
58
|
798 ngx_log_error(NGX_LOG_NOTICE, r->connection->log, 0,
|
|
|
799 "rewritten redirect: \"%V\"", &e->buf);
|
|
|
800 }
|
|
|
801
|
|
|
802 r->headers_out.location = ngx_list_push(&r->headers_out.headers);
|
|
|
803 if (r->headers_out.location == NULL) {
|
|
|
804 e->ip = ngx_http_script_exit;
|
|
|
805 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
806 return;
|
|
|
807 }
|
|
|
808
|
|
126
|
809 r->headers_out.location->hash = 1;
|
|
58
|
810 r->headers_out.location->key.len = sizeof("Location") - 1;
|
|
|
811 r->headers_out.location->key.data = (u_char *) "Location";
|
|
|
812 r->headers_out.location->value = e->buf;
|
|
|
813
|
|
|
814 e->ip += sizeof(ngx_http_script_regex_end_code_t);
|
|
|
815 return;
|
|
|
816 }
|
|
|
817
|
|
126
|
818 if (e->args) {
|
|
58
|
819 e->buf.len = e->args - e->buf.data;
|
|
|
820
|
|
|
821 if (code->add_args && r->args.len) {
|
|
|
822 *e->pos++ = '&';
|
|
122
|
823 e->pos = ngx_copy(e->pos, r->args.data, r->args.len);
|
|
58
|
824 }
|
|
|
825
|
|
|
826 r->args.len = e->pos - e->args;
|
|
|
827 r->args.data = e->args;
|
|
|
828
|
|
|
829 e->args = NULL;
|
|
|
830
|
|
|
831 } else {
|
|
|
832 e->buf.len = e->pos - e->buf.data;
|
|
222
|
833
|
|
|
834 if (!code->add_args) {
|
|
|
835 r->args.len = 0;
|
|
|
836 }
|
|
58
|
837 }
|
|
|
838
|
|
430
|
839 if (e->log || (r->connection->log->log_level & NGX_LOG_DEBUG_HTTP)) {
|
|
58
|
840 ngx_log_error(NGX_LOG_NOTICE, r->connection->log, 0,
|
|
|
841 "rewritten data: \"%V\", args: \"%V\"",
|
|
|
842 &e->buf, &r->args);
|
|
|
843 }
|
|
|
844
|
|
|
845 if (code->uri) {
|
|
|
846 r->uri = e->buf;
|
|
|
847
|
|
84
|
848 if (r->uri.len == 0) {
|
|
|
849 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
850 "the rewritten URI has a zero length");
|
|
|
851 e->ip = ngx_http_script_exit;
|
|
|
852 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
853 return;
|
|
|
854 }
|
|
|
855
|
|
58
|
856 if (ngx_http_set_exten(r) != NGX_OK) {
|
|
|
857 e->ip = ngx_http_script_exit;
|
|
|
858 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
859 return;
|
|
|
860 }
|
|
|
861 }
|
|
|
862
|
|
|
863 e->ip += sizeof(ngx_http_script_regex_end_code_t);
|
|
|
864 }
|
|
|
865
|
|
66
|
866 #endif
|
|
|
867
|
|
58
|
868
|
|
|
869 void
|
|
|
870 ngx_http_script_return_code(ngx_http_script_engine_t *e)
|
|
126
|
871 {
|
|
58
|
872 ngx_http_script_return_code_t *code;
|
|
126
|
873
|
|
58
|
874 code = (ngx_http_script_return_code_t *) e->ip;
|
|
|
875
|
|
|
876 e->status = code->status;
|
|
|
877
|
|
202
|
878 if (code->status == NGX_HTTP_NO_CONTENT) {
|
|
|
879 e->request->header_only = 1;
|
|
238
|
880 e->request->zero_body = 1;
|
|
202
|
881 }
|
|
|
882
|
|
58
|
883 e->ip += sizeof(ngx_http_script_return_code_t) - sizeof(uintptr_t);
|
|
56
|
884 }
|
|
58
|
885
|
|
|
886
|
|
|
887 void
|
|
76
|
888 ngx_http_script_break_code(ngx_http_script_engine_t *e)
|
|
|
889 {
|
|
|
890 e->request->uri_changed = 0;
|
|
|
891
|
|
|
892 e->ip = ngx_http_script_exit;
|
|
|
893 }
|
|
|
894
|
|
|
895
|
|
|
896 void
|
|
58
|
897 ngx_http_script_if_code(ngx_http_script_engine_t *e)
|
|
|
898 {
|
|
|
899 ngx_http_script_if_code_t *code;
|
|
|
900
|
|
|
901 code = (ngx_http_script_if_code_t *) e->ip;
|
|
|
902
|
|
|
903 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0,
|
|
|
904 "http script if");
|
|
|
905
|
|
|
906 e->sp--;
|
|
|
907
|
|
122
|
908 if (e->sp->len && e->sp->data[0] != '0') {
|
|
58
|
909 if (code->loc_conf) {
|
|
|
910 e->request->loc_conf = code->loc_conf;
|
|
84
|
911 ngx_http_update_location_config(e->request);
|
|
58
|
912 }
|
|
|
913
|
|
|
914 e->ip += sizeof(ngx_http_script_if_code_t);
|
|
|
915 return;
|
|
|
916 }
|
|
|
917
|
|
|
918 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0,
|
|
126
|
919 "http script if: false");
|
|
58
|
920
|
|
|
921 e->ip += code->next;
|
|
|
922 }
|
|
|
923
|
|
|
924
|
|
|
925 void
|
|
126
|
926 ngx_http_script_equal_code(ngx_http_script_engine_t *e)
|
|
|
927 {
|
|
|
928 ngx_http_variable_value_t *val, *res;
|
|
|
929
|
|
|
930 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0,
|
|
|
931 "http script equal");
|
|
|
932
|
|
|
933 e->sp--;
|
|
|
934 val = e->sp;
|
|
|
935 res = e->sp - 1;
|
|
|
936
|
|
|
937 e->ip += sizeof(uintptr_t);
|
|
|
938
|
|
430
|
939 if (val->len == res->len
|
|
|
940 && ngx_strncmp(val->data, res->data, res->len) == 0)
|
|
126
|
941 {
|
|
|
942 *res = ngx_http_variable_true_value;
|
|
|
943 return;
|
|
|
944 }
|
|
|
945
|
|
|
946 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0,
|
|
|
947 "http script equal: no");
|
|
|
948
|
|
|
949 *res = ngx_http_variable_null_value;
|
|
|
950 }
|
|
|
951
|
|
|
952
|
|
|
953 void
|
|
|
954 ngx_http_script_not_equal_code(ngx_http_script_engine_t *e)
|
|
|
955 {
|
|
|
956 ngx_http_variable_value_t *val, *res;
|
|
|
957
|
|
|
958 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0,
|
|
|
959 "http script not equal");
|
|
|
960
|
|
|
961 e->sp--;
|
|
|
962 val = e->sp;
|
|
|
963 res = e->sp - 1;
|
|
|
964
|
|
|
965 e->ip += sizeof(uintptr_t);
|
|
|
966
|
|
430
|
967 if (val->len == res->len
|
|
|
968 && ngx_strncmp(val->data, res->data, res->len) == 0)
|
|
126
|
969 {
|
|
|
970 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0,
|
|
|
971 "http script not equal: no");
|
|
|
972
|
|
|
973 *res = ngx_http_variable_null_value;
|
|
|
974 return;
|
|
|
975 }
|
|
|
976
|
|
|
977 *res = ngx_http_variable_true_value;
|
|
|
978 }
|
|
|
979
|
|
|
980
|
|
|
981 void
|
|
180
|
982 ngx_http_script_file_code(ngx_http_script_engine_t *e)
|
|
|
983 {
|
|
332
|
984 ngx_str_t path;
|
|
|
985 ngx_http_request_t *r;
|
|
|
986 ngx_open_file_info_t of;
|
|
|
987 ngx_http_core_loc_conf_t *clcf;
|
|
180
|
988 ngx_http_variable_value_t *value;
|
|
|
989 ngx_http_script_file_code_t *code;
|
|
|
990
|
|
|
991 value = e->sp - 1;
|
|
|
992
|
|
|
993 code = (ngx_http_script_file_code_t *) e->ip;
|
|
|
994 e->ip += sizeof(ngx_http_script_file_code_t);
|
|
|
995
|
|
332
|
996 path.len = value->len - 1;
|
|
|
997 path.data = value->data;
|
|
|
998
|
|
|
999 r = e->request;
|
|
|
1000
|
|
|
1001 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1002 "http script file op %p \"%V\"", code->op, &path);
|
|
|
1003
|
|
|
1004 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
180
|
1005
|
|
384
|
1006 ngx_memzero(&of, sizeof(ngx_open_file_info_t));
|
|
|
1007
|
|
390
|
1008 of.directio = clcf->directio;
|
|
358
|
1009 of.valid = clcf->open_file_cache_valid;
|
|
|
1010 of.min_uses = clcf->open_file_cache_min_uses;
|
|
332
|
1011 of.errors = clcf->open_file_cache_errors;
|
|
|
1012 of.events = clcf->open_file_cache_events;
|
|
180
|
1013
|
|
332
|
1014 if (ngx_open_cached_file(clcf->open_file_cache, &path, &of, r->pool)
|
|
362
|
1015 != NGX_OK)
|
|
332
|
1016 {
|
|
|
1017 if (of.err != NGX_ENOENT && of.err != NGX_ENOTDIR) {
|
|
|
1018 ngx_log_error(NGX_LOG_CRIT, r->connection->log, of.err,
|
|
180
|
1019 ngx_file_info_n " \"%s\" failed", value->data);
|
|
|
1020 }
|
|
|
1021
|
|
|
1022 switch (code->op) {
|
|
220
|
1023
|
|
180
|
1024 case ngx_http_script_file_plain:
|
|
218
|
1025 case ngx_http_script_file_dir:
|
|
|
1026 case ngx_http_script_file_exists:
|
|
|
1027 case ngx_http_script_file_exec:
|
|
392
|
1028 goto false_value;
|
|
220
|
1029
|
|
180
|
1030 case ngx_http_script_file_not_plain:
|
|
218
|
1031 case ngx_http_script_file_not_dir:
|
|
220
|
1032 case ngx_http_script_file_not_exists:
|
|
218
|
1033 case ngx_http_script_file_not_exec:
|
|
392
|
1034 goto true_value;
|
|
180
|
1035 }
|
|
|
1036
|
|
392
|
1037 goto false_value;
|
|
180
|
1038 }
|
|
|
1039
|
|
|
1040 switch (code->op) {
|
|
|
1041 case ngx_http_script_file_plain:
|
|
332
|
1042 if (of.is_file) {
|
|
392
|
1043 goto true_value;
|
|
180
|
1044 }
|
|
392
|
1045 goto false_value;
|
|
180
|
1046
|
|
|
1047 case ngx_http_script_file_not_plain:
|
|
332
|
1048 if (of.is_file) {
|
|
392
|
1049 goto false_value;
|
|
180
|
1050 }
|
|
392
|
1051 goto true_value;
|
|
218
|
1052
|
|
|
1053 case ngx_http_script_file_dir:
|
|
332
|
1054 if (of.is_dir) {
|
|
392
|
1055 goto true_value;
|
|
218
|
1056 }
|
|
392
|
1057 goto false_value;
|
|
218
|
1058
|
|
|
1059 case ngx_http_script_file_not_dir:
|
|
332
|
1060 if (of.is_dir) {
|
|
392
|
1061 goto false_value;
|
|
218
|
1062 }
|
|
392
|
1063 goto true_value;
|
|
218
|
1064
|
|
|
1065 case ngx_http_script_file_exists:
|
|
332
|
1066 if (of.is_file || of.is_dir || of.is_link) {
|
|
392
|
1067 goto true_value;
|
|
218
|
1068 }
|
|
392
|
1069 goto false_value;
|
|
218
|
1070
|
|
|
1071 case ngx_http_script_file_not_exists:
|
|
332
|
1072 if (of.is_file || of.is_dir || of.is_link) {
|
|
392
|
1073 goto false_value;
|
|
218
|
1074 }
|
|
392
|
1075 goto true_value;
|
|
218
|
1076
|
|
|
1077 case ngx_http_script_file_exec:
|
|
332
|
1078 if (of.is_exec) {
|
|
392
|
1079 goto true_value;
|
|
218
|
1080 }
|
|
392
|
1081 goto false_value;
|
|
218
|
1082
|
|
|
1083 case ngx_http_script_file_not_exec:
|
|
332
|
1084 if (of.is_exec) {
|
|
392
|
1085 goto false_value;
|
|
218
|
1086 }
|
|
392
|
1087 goto true_value;
|
|
180
|
1088 }
|
|
|
1089
|
|
392
|
1090 false_value:
|
|
180
|
1091
|
|
332
|
1092 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
180
|
1093 "http script file op false");
|
|
|
1094
|
|
|
1095 *value = ngx_http_variable_null_value;
|
|
|
1096 return;
|
|
|
1097
|
|
392
|
1098 true_value:
|
|
180
|
1099
|
|
|
1100 *value = ngx_http_variable_true_value;
|
|
|
1101 return;
|
|
|
1102 }
|
|
|
1103
|
|
|
1104
|
|
|
1105 void
|
|
64
|
1106 ngx_http_script_complex_value_code(ngx_http_script_engine_t *e)
|
|
|
1107 {
|
|
|
1108 size_t len;
|
|
|
1109 ngx_http_script_engine_t le;
|
|
|
1110 ngx_http_script_len_code_pt lcode;
|
|
|
1111 ngx_http_script_complex_value_code_t *code;
|
|
|
1112
|
|
|
1113 code = (ngx_http_script_complex_value_code_t *) e->ip;
|
|
|
1114
|
|
|
1115 e->ip += sizeof(ngx_http_script_complex_value_code_t);
|
|
|
1116
|
|
|
1117 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0,
|
|
|
1118 "http script complex value");
|
|
|
1119
|
|
|
1120 ngx_memzero(&le, sizeof(ngx_http_script_engine_t));
|
|
|
1121
|
|
|
1122 le.ip = code->lengths->elts;
|
|
204
|
1123 le.line = e->line;
|
|
64
|
1124 le.request = e->request;
|
|
|
1125 le.captures = e->captures;
|
|
|
1126 le.ncaptures = e->ncaptures;
|
|
204
|
1127 le.quote = e->quote;
|
|
64
|
1128
|
|
|
1129 for (len = 0; *(uintptr_t *) le.ip; len += lcode(&le)) {
|
|
|
1130 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
1131 }
|
|
|
1132
|
|
|
1133 e->buf.len = len;
|
|
382
|
1134 e->buf.data = ngx_pnalloc(e->request->pool, len);
|
|
64
|
1135 if (e->buf.data == NULL) {
|
|
|
1136 e->ip = ngx_http_script_exit;
|
|
|
1137 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
1138 return;
|
|
|
1139 }
|
|
|
1140
|
|
|
1141 e->pos = e->buf.data;
|
|
|
1142
|
|
126
|
1143 e->sp->len = e->buf.len;
|
|
122
|
1144 e->sp->data = e->buf.data;
|
|
64
|
1145 e->sp++;
|
|
|
1146 }
|
|
|
1147
|
|
|
1148
|
|
|
1149 void
|
|
58
|
1150 ngx_http_script_value_code(ngx_http_script_engine_t *e)
|
|
|
1151 {
|
|
|
1152 ngx_http_script_value_code_t *code;
|
|
|
1153
|
|
|
1154 code = (ngx_http_script_value_code_t *) e->ip;
|
|
|
1155
|
|
|
1156 e->ip += sizeof(ngx_http_script_value_code_t);
|
|
|
1157
|
|
122
|
1158 e->sp->len = code->text_len;
|
|
|
1159 e->sp->data = (u_char *) code->text_data;
|
|
126
|
1160
|
|
|
1161 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0,
|
|
340
|
1162 "http script value: \"%v\"", e->sp);
|
|
126
|
1163
|
|
58
|
1164 e->sp++;
|
|
|
1165 }
|
|
|
1166
|
|
|
1167
|
|
|
1168 void
|
|
|
1169 ngx_http_script_set_var_code(ngx_http_script_engine_t *e)
|
|
|
1170 {
|
|
|
1171 ngx_http_request_t *r;
|
|
|
1172 ngx_http_script_var_code_t *code;
|
|
|
1173
|
|
|
1174 code = (ngx_http_script_var_code_t *) e->ip;
|
|
|
1175
|
|
|
1176 e->ip += sizeof(ngx_http_script_var_code_t);
|
|
|
1177
|
|
|
1178 r = e->request;
|
|
|
1179
|
|
|
1180 e->sp--;
|
|
|
1181
|
|
122
|
1182 r->variables[code->index].len = e->sp->len;
|
|
|
1183 r->variables[code->index].valid = 1;
|
|
340
|
1184 r->variables[code->index].no_cacheable = 0;
|
|
122
|
1185 r->variables[code->index].not_found = 0;
|
|
|
1186 r->variables[code->index].data = e->sp->data;
|
|
430
|
1187
|
|
|
1188 #if (NGX_DEBUG)
|
|
|
1189 {
|
|
|
1190 ngx_http_variable_t *v;
|
|
|
1191 ngx_http_core_main_conf_t *cmcf;
|
|
|
1192
|
|
|
1193 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module);
|
|
|
1194
|
|
|
1195 v = cmcf->variables.elts;
|
|
|
1196
|
|
|
1197 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0,
|
|
|
1198 "http script set $%V", &v[code->index].name);
|
|
|
1199 }
|
|
|
1200 #endif
|
|
58
|
1201 }
|
|
|
1202
|
|
|
1203
|
|
|
1204 void
|
|
186
|
1205 ngx_http_script_var_set_handler_code(ngx_http_script_engine_t *e)
|
|
|
1206 {
|
|
|
1207 ngx_http_script_var_handler_code_t *code;
|
|
|
1208
|
|
|
1209 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0,
|
|
|
1210 "http script set var handler");
|
|
|
1211
|
|
|
1212 code = (ngx_http_script_var_handler_code_t *) e->ip;
|
|
|
1213
|
|
|
1214 e->ip += sizeof(ngx_http_script_var_handler_code_t);
|
|
|
1215
|
|
|
1216 e->sp--;
|
|
|
1217
|
|
|
1218 code->handler(e->request, e->sp, code->data);
|
|
|
1219 }
|
|
|
1220
|
|
|
1221
|
|
|
1222 void
|
|
58
|
1223 ngx_http_script_var_code(ngx_http_script_engine_t *e)
|
|
|
1224 {
|
|
|
1225 ngx_http_variable_value_t *value;
|
|
|
1226 ngx_http_script_var_code_t *code;
|
|
|
1227
|
|
|
1228 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0,
|
|
|
1229 "http script var");
|
|
|
1230
|
|
|
1231 code = (ngx_http_script_var_code_t *) e->ip;
|
|
|
1232
|
|
|
1233 e->ip += sizeof(ngx_http_script_var_code_t);
|
|
|
1234
|
|
122
|
1235 value = ngx_http_get_flushed_variable(e->request, code->index);
|
|
58
|
1236
|
|
122
|
1237 if (value && !value->not_found) {
|
|
|
1238 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0,
|
|
328
|
1239 "http script var: \"%v\"", value);
|
|
122
|
1240
|
|
102
|
1241 *e->sp = *value;
|
|
58
|
1242 e->sp++;
|
|
|
1243
|
|
|
1244 return;
|
|
|
1245 }
|
|
|
1246
|
|
126
|
1247 *e->sp = ngx_http_variable_null_value;
|
|
58
|
1248 e->sp++;
|
|
|
1249 }
|
|
|
1250
|
|
|
1251
|
|
|
1252 void
|
|
|
1253 ngx_http_script_nop_code(ngx_http_script_engine_t *e)
|
|
|
1254 {
|
|
|
1255 e->ip += sizeof(uintptr_t);
|
|
|
1256 }
|
