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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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58
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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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444
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247 while (i < sc->source->len) {
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248
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249 if (sc->source->data[i] == '$') {
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250 break;
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251 }
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252
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253 if (sc->source->data[i] == '?') {
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254
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255 sc->args = 1;
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256
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257 if (sc->compile_args) {
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258 break;
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259 }
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260 }
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261
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58
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262 i++;
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263 name.len++;
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264 }
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265
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266 sc->size += name.len;
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267
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268 copy = ngx_http_script_add_code(*sc->lengths,
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269 sizeof(ngx_http_script_copy_code_t),
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270 NULL);
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271 if (copy == NULL) {
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56
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272 return NGX_ERROR;
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273 }
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58
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274
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275 copy->code = (ngx_http_script_code_pt) ngx_http_script_copy_len_code;
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276 copy->len = name.len;
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277
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278 size = (sizeof(ngx_http_script_copy_code_t) + name.len
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279 + sizeof(uintptr_t) - 1)
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280 & ~(sizeof(uintptr_t) - 1);
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56
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281
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58
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282 copy = ngx_http_script_add_code(*sc->values, size, &sc->main);
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283 if (copy == NULL) {
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284 return NGX_ERROR;
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285 }
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286
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287 copy->code = ngx_http_script_copy_code;
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288 copy->len = name.len;
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289
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290 ngx_memcpy((u_char *) copy + sizeof(ngx_http_script_copy_code_t),
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291 name.data, name.len);
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56
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292 }
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293
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58
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294 if (sc->complete_lengths) {
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295 code = ngx_http_script_add_code(*sc->lengths, sizeof(uintptr_t), NULL);
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296 if (code == NULL) {
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297 return NGX_ERROR;
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298 }
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56
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299
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58
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300 *code = (uintptr_t) NULL;
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56
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301 }
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302
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58
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303 if (sc->complete_values) {
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304 code = ngx_http_script_add_code(*sc->values, sizeof(uintptr_t),
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305 &sc->main);
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306 if (code == NULL) {
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307 return NGX_ERROR;
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308 }
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309
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310 *code = (uintptr_t) NULL;
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311 }
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56
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312
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313 return NGX_OK;
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58
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314
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315 invalid_variable:
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316
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317 ngx_conf_log_error(NGX_LOG_EMERG, sc->cf, 0, "invalid variable name");
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318
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319 return NGX_ERROR;
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56
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320 }
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321
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322
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172
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323 u_char *
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324 ngx_http_script_run(ngx_http_request_t *r, ngx_str_t *value,
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325 void *code_lengths, size_t len, void *code_values)
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326 {
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294
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327 ngx_uint_t i;
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328 ngx_http_script_code_pt code;
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329 ngx_http_script_len_code_pt lcode;
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330 ngx_http_script_engine_t e;
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331 ngx_http_core_main_conf_t *cmcf;
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332
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333 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module);
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334
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335 for (i = 0; i < cmcf->variables.nelts; i++) {
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340
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336 if (r->variables[i].no_cacheable) {
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294
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337 r->variables[i].valid = 0;
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338 r->variables[i].not_found = 0;
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339 }
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340 }
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172
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341
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342 ngx_memzero(&e, sizeof(ngx_http_script_engine_t));
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343
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344 e.ip = code_lengths;
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345 e.request = r;
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346 e.flushed = 1;
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347
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348 while (*(uintptr_t *) e.ip) {
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349 lcode = *(ngx_http_script_len_code_pt *) e.ip;
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350 len += lcode(&e);
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351 }
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352
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353
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354 value->len = len;
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382
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355 value->data = ngx_pnalloc(r->pool, len);
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172
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356 if (value->data == NULL) {
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357 return NULL;
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358 }
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359
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360 e.ip = code_values;
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361 e.pos = value->data;
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362
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363 while (*(uintptr_t *) e.ip) {
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364 code = *(ngx_http_script_code_pt *) e.ip;
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365 code((ngx_http_script_engine_t *) &e);
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366 }
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367
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368 return e.pos;
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369 }
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370
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371
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122
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372 void
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340
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373 ngx_http_script_flush_no_cacheable_variables(ngx_http_request_t *r,
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122
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374 ngx_array_t *indices)
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375 {
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376 ngx_uint_t n, *index;
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377
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378 if (indices) {
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379 index = indices->elts;
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380 for (n = 0; n < indices->nelts; n++) {
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340
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381 if (r->variables[index[n]].no_cacheable) {
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122
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382 r->variables[index[n]].valid = 0;
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383 r->variables[index[n]].not_found = 0;
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384 }
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385 }
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386 }
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387 }
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388
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389
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58
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390 void *
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56
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391 ngx_http_script_start_code(ngx_pool_t *pool, ngx_array_t **codes, size_t size)
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392 {
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393 if (*codes == NULL) {
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394 *codes = ngx_array_create(pool, 256, 1);
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395 if (*codes == NULL) {
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396 return NULL;
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397 }
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398 }
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399
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400 return ngx_array_push_n(*codes, size);
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401 }
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402
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58
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403
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404 void *
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405 ngx_http_script_add_code(ngx_array_t *codes, size_t size, void *code)
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406 {
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407 u_char *elts, **p;
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408 void *new;
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409
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410 elts = codes->elts;
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411
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412 new = ngx_array_push_n(codes, size);
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413 if (new == NULL) {
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414 return NGX_CONF_ERROR;
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415 }
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416
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417 if (code) {
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418 if (elts != codes->elts) {
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419 p = code;
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420 *p += (u_char *) codes->elts - elts;
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421 }
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422 }
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423
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424 return new;
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425 }
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56
|
426
|
|
|
427
|
|
|
428 size_t
|
|
58
|
429 ngx_http_script_copy_len_code(ngx_http_script_engine_t *e)
|
|
56
|
430 {
|
|
|
431 ngx_http_script_copy_code_t *code;
|
|
|
432
|
|
58
|
433 code = (ngx_http_script_copy_code_t *) e->ip;
|
|
56
|
434
|
|
58
|
435 e->ip += sizeof(ngx_http_script_copy_code_t);
|
|
56
|
436
|
|
|
437 return code->len;
|
|
|
438 }
|
|
|
439
|
|
|
440
|
|
|
441 void
|
|
58
|
442 ngx_http_script_copy_code(ngx_http_script_engine_t *e)
|
|
56
|
443 {
|
|
430
|
444 u_char *p;
|
|
56
|
445 ngx_http_script_copy_code_t *code;
|
|
|
446
|
|
58
|
447 code = (ngx_http_script_copy_code_t *) e->ip;
|
|
|
448
|
|
430
|
449 p = e->pos;
|
|
|
450
|
|
58
|
451 if (!e->skip) {
|
|
430
|
452 e->pos = ngx_copy(p, e->ip + sizeof(ngx_http_script_copy_code_t),
|
|
122
|
453 code->len);
|
|
58
|
454 }
|
|
56
|
455
|
|
58
|
456 e->ip += sizeof(ngx_http_script_copy_code_t)
|
|
|
457 + ((code->len + sizeof(uintptr_t) - 1) & ~(sizeof(uintptr_t) - 1));
|
|
56
|
458
|
|
430
|
459 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0,
|
|
|
460 "http script copy: \"%*s\"", e->pos - p, p);
|
|
56
|
461 }
|
|
|
462
|
|
|
463
|
|
|
464 size_t
|
|
58
|
465 ngx_http_script_copy_var_len_code(ngx_http_script_engine_t *e)
|
|
56
|
466 {
|
|
|
467 ngx_http_variable_value_t *value;
|
|
|
468 ngx_http_script_var_code_t *code;
|
|
|
469
|
|
58
|
470 code = (ngx_http_script_var_code_t *) e->ip;
|
|
56
|
471
|
|
58
|
472 e->ip += sizeof(ngx_http_script_var_code_t);
|
|
56
|
473
|
|
122
|
474 if (e->flushed) {
|
|
|
475 value = ngx_http_get_indexed_variable(e->request, code->index);
|
|
56
|
476
|
|
122
|
477 } else {
|
|
|
478 value = ngx_http_get_flushed_variable(e->request, code->index);
|
|
|
479 }
|
|
|
480
|
|
|
481 if (value && !value->not_found) {
|
|
|
482 return value->len;
|
|
56
|
483 }
|
|
|
484
|
|
102
|
485 return 0;
|
|
56
|
486 }
|
|
|
487
|
|
|
488
|
|
|
489 void
|
|
58
|
490 ngx_http_script_copy_var_code(ngx_http_script_engine_t *e)
|
|
56
|
491 {
|
|
430
|
492 u_char *p;
|
|
56
|
493 ngx_http_variable_value_t *value;
|
|
|
494 ngx_http_script_var_code_t *code;
|
|
|
495
|
|
58
|
496 code = (ngx_http_script_var_code_t *) e->ip;
|
|
|
497
|
|
|
498 e->ip += sizeof(ngx_http_script_var_code_t);
|
|
|
499
|
|
|
500 if (!e->skip) {
|
|
122
|
501
|
|
|
502 if (e->flushed) {
|
|
|
503 value = ngx_http_get_indexed_variable(e->request, code->index);
|
|
58
|
504
|
|
122
|
505 } else {
|
|
|
506 value = ngx_http_get_flushed_variable(e->request, code->index);
|
|
|
507 }
|
|
|
508
|
|
|
509 if (value && !value->not_found) {
|
|
430
|
510 p = e->pos;
|
|
|
511 e->pos = ngx_copy(p, value->data, value->len);
|
|
58
|
512
|
|
430
|
513 ngx_log_debug2(NGX_LOG_DEBUG_HTTP,
|
|
256
|
514 e->request->connection->log, 0,
|
|
430
|
515 "http script var: \"%*s\"", e->pos - p, p);
|
|
58
|
516 }
|
|
|
517 }
|
|
|
518 }
|
|
|
519
|
|
|
520
|
|
|
521 size_t
|
|
|
522 ngx_http_script_copy_capture_len_code(ngx_http_script_engine_t *e)
|
|
|
523 {
|
|
|
524 ngx_http_script_copy_capture_code_t *code;
|
|
|
525
|
|
|
526 code = (ngx_http_script_copy_capture_code_t *) e->ip;
|
|
|
527
|
|
|
528 e->ip += sizeof(ngx_http_script_copy_capture_code_t);
|
|
|
529
|
|
64
|
530 if (code->n < e->ncaptures) {
|
|
366
|
531 if ((e->is_args || e->quote)
|
|
64
|
532 && (e->request->quoted_uri || e->request->plus_in_uri))
|
|
|
533 {
|
|
|
534 return e->captures[code->n + 1] - e->captures[code->n]
|
|
204
|
535 + 2 * ngx_escape_uri(NULL,
|
|
64
|
536 &e->line.data[e->captures[code->n]],
|
|
58
|
537 e->captures[code->n + 1] - e->captures[code->n],
|
|
|
538 NGX_ESCAPE_ARGS);
|
|
64
|
539 } else {
|
|
|
540 return e->captures[code->n + 1] - e->captures[code->n];
|
|
|
541 }
|
|
58
|
542 }
|
|
64
|
543
|
|
|
544 return 0;
|
|
58
|
545 }
|
|
|
546
|
|
|
547
|
|
|
548 void
|
|
|
549 ngx_http_script_copy_capture_code(ngx_http_script_engine_t *e)
|
|
|
550 {
|
|
430
|
551 u_char *p;
|
|
58
|
552 ngx_http_script_copy_capture_code_t *code;
|
|
|
553
|
|
|
554 code = (ngx_http_script_copy_capture_code_t *) e->ip;
|
|
|
555
|
|
|
556 e->ip += sizeof(ngx_http_script_copy_capture_code_t);
|
|
56
|
557
|
|
430
|
558 p = e->pos;
|
|
|
559
|
|
64
|
560 if (code->n < e->ncaptures) {
|
|
366
|
561 if ((e->is_args || e->quote)
|
|
64
|
562 && (e->request->quoted_uri || e->request->plus_in_uri))
|
|
|
563 {
|
|
430
|
564 e->pos = (u_char *) ngx_escape_uri(p,
|
|
64
|
565 &e->line.data[e->captures[code->n]],
|
|
58
|
566 e->captures[code->n + 1] - e->captures[code->n],
|
|
|
567 NGX_ESCAPE_ARGS);
|
|
64
|
568 } else {
|
|
430
|
569 e->pos = ngx_copy(p,
|
|
122
|
570 &e->line.data[e->captures[code->n]],
|
|
|
571 e->captures[code->n + 1] - e->captures[code->n]);
|
|
64
|
572 }
|
|
58
|
573 }
|
|
|
574
|
|
430
|
575 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0,
|
|
|
576 "http script capture: \"%*s\"", e->pos - p, p);
|
|
58
|
577 }
|
|
|
578
|
|
|
579
|
|
366
|
580 size_t
|
|
|
581 ngx_http_script_mark_args_code(ngx_http_script_engine_t *e)
|
|
|
582 {
|
|
|
583 e->is_args = 1;
|
|
|
584 e->ip += sizeof(uintptr_t);
|
|
|
585
|
|
|
586 return 1;
|
|
|
587 }
|
|
|
588
|
|
|
589
|
|
58
|
590 void
|
|
|
591 ngx_http_script_start_args_code(ngx_http_script_engine_t *e)
|
|
|
592 {
|
|
|
593 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0,
|
|
|
594 "http script args");
|
|
126
|
595
|
|
404
|
596 e->is_args = 1;
|
|
58
|
597 e->args = e->pos;
|
|
|
598 e->ip += sizeof(uintptr_t);
|
|
|
599 }
|
|
|
600
|
|
|
601
|
|
66
|
602
|
|
|
603 #if (NGX_PCRE)
|
|
|
604
|
|
58
|
605 void
|
|
|
606 ngx_http_script_regex_start_code(ngx_http_script_engine_t *e)
|
|
|
607 {
|
|
|
608 size_t len;
|
|
|
609 ngx_int_t rc;
|
|
|
610 ngx_uint_t n;
|
|
|
611 ngx_http_request_t *r;
|
|
|
612 ngx_http_script_engine_t le;
|
|
|
613 ngx_http_script_len_code_pt lcode;
|
|
|
614 ngx_http_script_regex_code_t *code;
|
|
|
615
|
|
|
616 code = (ngx_http_script_regex_code_t *) e->ip;
|
|
|
617
|
|
|
618 r = e->request;
|
|
|
619
|
|
|
620 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
621 "http script regex: \"%V\"", &code->name);
|
|
|
622
|
|
|
623 if (code->uri) {
|
|
64
|
624 e->line = r->uri;
|
|
58
|
625 } else {
|
|
|
626 e->sp--;
|
|
122
|
627 e->line.len = e->sp->len;
|
|
|
628 e->line.data = e->sp->data;
|
|
58
|
629 }
|
|
56
|
630
|
|
64
|
631 rc = ngx_regex_exec(code->regex, &e->line, e->captures, code->ncaptures);
|
|
58
|
632
|
|
|
633 if (rc == NGX_REGEX_NO_MATCHED) {
|
|
430
|
634 if (e->log || (r->connection->log->log_level & NGX_LOG_DEBUG_HTTP)) {
|
|
58
|
635 ngx_log_error(NGX_LOG_NOTICE, r->connection->log, 0,
|
|
64
|
636 "\"%V\" does not match \"%V\"",
|
|
|
637 &code->name, &e->line);
|
|
58
|
638 }
|
|
|
639
|
|
64
|
640 e->ncaptures = 0;
|
|
|
641
|
|
58
|
642 if (code->test) {
|
|
180
|
643 if (code->negative_test) {
|
|
|
644 e->sp->len = 1;
|
|
|
645 e->sp->data = (u_char *) "1";
|
|
|
646
|
|
|
647 } else {
|
|
|
648 e->sp->len = 0;
|
|
|
649 e->sp->data = (u_char *) "";
|
|
|
650 }
|
|
|
651
|
|
58
|
652 e->sp++;
|
|
|
653
|
|
|
654 e->ip += sizeof(ngx_http_script_regex_code_t);
|
|
|
655 return;
|
|
|
656 }
|
|
|
657
|
|
|
658 e->ip += code->next;
|
|
|
659 return;
|
|
|
660 }
|
|
|
661
|
|
|
662 if (rc < 0) {
|
|
|
663 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
|
|
|
664 ngx_regex_exec_n " failed: %d on \"%V\" using \"%V\"",
|
|
64
|
665 rc, &e->line, &code->name);
|
|
58
|
666
|
|
|
667 e->ip = ngx_http_script_exit;
|
|
|
668 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
669 return;
|
|
|
670 }
|
|
|
671
|
|
430
|
672 if (e->log || (r->connection->log->log_level & NGX_LOG_DEBUG_HTTP)) {
|
|
58
|
673 ngx_log_error(NGX_LOG_NOTICE, r->connection->log, 0,
|
|
64
|
674 "\"%V\" matches \"%V\"", &code->name, &e->line);
|
|
58
|
675 }
|
|
|
676
|
|
64
|
677 e->ncaptures = code->ncaptures;
|
|
|
678
|
|
58
|
679 if (code->test) {
|
|
180
|
680 if (code->negative_test) {
|
|
|
681 e->sp->len = 0;
|
|
|
682 e->sp->data = (u_char *) "";
|
|
|
683
|
|
|
684 } else {
|
|
|
685 e->sp->len = 1;
|
|
|
686 e->sp->data = (u_char *) "1";
|
|
|
687 }
|
|
|
688
|
|
58
|
689 e->sp++;
|
|
|
690
|
|
|
691 e->ip += sizeof(ngx_http_script_regex_code_t);
|
|
|
692 return;
|
|
|
693 }
|
|
|
694
|
|
|
695 if (code->status) {
|
|
|
696 e->status = code->status;
|
|
56
|
697
|
|
58
|
698 if (!code->redirect) {
|
|
|
699 e->ip = ngx_http_script_exit;
|
|
|
700 return;
|
|
|
701 }
|
|
|
702 }
|
|
|
703
|
|
|
704 if (code->uri) {
|
|
|
705 r->internal = 1;
|
|
|
706 r->valid_unparsed_uri = 0;
|
|
|
707
|
|
|
708 if (code->break_cycle) {
|
|
|
709 r->valid_location = 0;
|
|
76
|
710 r->uri_changed = 0;
|
|
58
|
711
|
|
|
712 } else {
|
|
|
713 r->uri_changed = 1;
|
|
|
714 }
|
|
|
715 }
|
|
|
716
|
|
|
717 if (code->lengths == NULL) {
|
|
|
718 e->buf.len = code->size;
|
|
|
719
|
|
|
720 if (code->uri) {
|
|
|
721 if (rc && (r->quoted_uri || r->plus_in_uri)) {
|
|
|
722 e->buf.len += 2 * ngx_escape_uri(NULL, r->uri.data, r->uri.len,
|
|
|
723 NGX_ESCAPE_ARGS);
|
|
|
724 }
|
|
|
725 }
|
|
|
726
|
|
|
727 for (n = 1; n < (ngx_uint_t) rc; n++) {
|
|
|
728 e->buf.len += e->captures[2 * n + 1] - e->captures[2 * n];
|
|
|
729 }
|
|
|
730
|
|
|
731 } else {
|
|
|
732 ngx_memzero(&le, sizeof(ngx_http_script_engine_t));
|
|
|
733
|
|
|
734 le.ip = code->lengths->elts;
|
|
228
|
735 le.line = e->line;
|
|
58
|
736 le.request = r;
|
|
|
737 le.captures = e->captures;
|
|
64
|
738 le.ncaptures = e->ncaptures;
|
|
228
|
739 le.quote = code->redirect;
|
|
58
|
740
|
|
366
|
741 len = 0;
|
|
58
|
742
|
|
|
743 while (*(uintptr_t *) le.ip) {
|
|
|
744 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
745 len += lcode(&le);
|
|
|
746 }
|
|
|
747
|
|
|
748 e->buf.len = len;
|
|
366
|
749 e->is_args = le.is_args;
|
|
58
|
750 }
|
|
|
751
|
|
64
|
752 if (code->add_args && r->args.len) {
|
|
58
|
753 e->buf.len += r->args.len + 1;
|
|
|
754 }
|
|
|
755
|
|
382
|
756 e->buf.data = ngx_pnalloc(r->pool, e->buf.len);
|
|
58
|
757 if (e->buf.data == NULL) {
|
|
|
758 e->ip = ngx_http_script_exit;
|
|
|
759 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
56
|
760 return;
|
|
|
761 }
|
|
|
762
|
|
58
|
763 e->quote = code->redirect;
|
|
|
764
|
|
|
765 e->pos = e->buf.data;
|
|
|
766
|
|
|
767 e->ip += sizeof(ngx_http_script_regex_code_t);
|
|
|
768 }
|
|
|
769
|
|
|
770
|
|
|
771 void
|
|
|
772 ngx_http_script_regex_end_code(ngx_http_script_engine_t *e)
|
|
|
773 {
|
|
126
|
774 u_char *dst, *src;
|
|
58
|
775 ngx_http_request_t *r;
|
|
|
776 ngx_http_script_regex_end_code_t *code;
|
|
|
777
|
|
|
778 code = (ngx_http_script_regex_end_code_t *) e->ip;
|
|
|
779
|
|
|
780 r = e->request;
|
|
|
781
|
|
|
782 e->quote = 0;
|
|
|
783
|
|
|
784 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
785 "http script regex end");
|
|
|
786
|
|
|
787 if (code->redirect) {
|
|
|
788
|
|
126
|
789 dst = e->buf.data;
|
|
|
790 src = e->buf.data;
|
|
|
791
|
|
342
|
792 ngx_unescape_uri(&dst, &src, e->pos - e->buf.data,
|
|
|
793 NGX_UNESCAPE_REDIRECT);
|
|
126
|
794
|
|
|
795 if (src < e->pos) {
|
|
|
796 dst = ngx_copy(dst, src, e->pos - src);
|
|
|
797 }
|
|
|
798
|
|
|
799 e->pos = dst;
|
|
|
800
|
|
|
801 if (code->add_args && r->args.len) {
|
|
58
|
802 *e->pos++ = (u_char) (code->args ? '&' : '?');
|
|
122
|
803 e->pos = ngx_copy(e->pos, r->args.data, r->args.len);
|
|
58
|
804 }
|
|
|
805
|
|
|
806 e->buf.len = e->pos - e->buf.data;
|
|
|
807
|
|
430
|
808 if (e->log || (r->connection->log->log_level & NGX_LOG_DEBUG_HTTP)) {
|
|
58
|
809 ngx_log_error(NGX_LOG_NOTICE, r->connection->log, 0,
|
|
|
810 "rewritten redirect: \"%V\"", &e->buf);
|
|
|
811 }
|
|
|
812
|
|
|
813 r->headers_out.location = ngx_list_push(&r->headers_out.headers);
|
|
|
814 if (r->headers_out.location == NULL) {
|
|
|
815 e->ip = ngx_http_script_exit;
|
|
|
816 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
817 return;
|
|
|
818 }
|
|
|
819
|
|
126
|
820 r->headers_out.location->hash = 1;
|
|
58
|
821 r->headers_out.location->key.len = sizeof("Location") - 1;
|
|
|
822 r->headers_out.location->key.data = (u_char *) "Location";
|
|
|
823 r->headers_out.location->value = e->buf;
|
|
|
824
|
|
|
825 e->ip += sizeof(ngx_http_script_regex_end_code_t);
|
|
|
826 return;
|
|
|
827 }
|
|
|
828
|
|
126
|
829 if (e->args) {
|
|
58
|
830 e->buf.len = e->args - e->buf.data;
|
|
|
831
|
|
|
832 if (code->add_args && r->args.len) {
|
|
|
833 *e->pos++ = '&';
|
|
122
|
834 e->pos = ngx_copy(e->pos, r->args.data, r->args.len);
|
|
58
|
835 }
|
|
|
836
|
|
|
837 r->args.len = e->pos - e->args;
|
|
|
838 r->args.data = e->args;
|
|
|
839
|
|
|
840 e->args = NULL;
|
|
|
841
|
|
|
842 } else {
|
|
|
843 e->buf.len = e->pos - e->buf.data;
|
|
222
|
844
|
|
|
845 if (!code->add_args) {
|
|
|
846 r->args.len = 0;
|
|
|
847 }
|
|
58
|
848 }
|
|
|
849
|
|
430
|
850 if (e->log || (r->connection->log->log_level & NGX_LOG_DEBUG_HTTP)) {
|
|
58
|
851 ngx_log_error(NGX_LOG_NOTICE, r->connection->log, 0,
|
|
|
852 "rewritten data: \"%V\", args: \"%V\"",
|
|
|
853 &e->buf, &r->args);
|
|
|
854 }
|
|
|
855
|
|
|
856 if (code->uri) {
|
|
|
857 r->uri = e->buf;
|
|
|
858
|
|
84
|
859 if (r->uri.len == 0) {
|
|
|
860 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
861 "the rewritten URI has a zero length");
|
|
|
862 e->ip = ngx_http_script_exit;
|
|
|
863 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
864 return;
|
|
|
865 }
|
|
|
866
|
|
58
|
867 if (ngx_http_set_exten(r) != NGX_OK) {
|
|
|
868 e->ip = ngx_http_script_exit;
|
|
|
869 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
870 return;
|
|
|
871 }
|
|
|
872 }
|
|
|
873
|
|
|
874 e->ip += sizeof(ngx_http_script_regex_end_code_t);
|
|
|
875 }
|
|
|
876
|
|
66
|
877 #endif
|
|
|
878
|
|
58
|
879
|
|
|
880 void
|
|
|
881 ngx_http_script_return_code(ngx_http_script_engine_t *e)
|
|
126
|
882 {
|
|
58
|
883 ngx_http_script_return_code_t *code;
|
|
126
|
884
|
|
58
|
885 code = (ngx_http_script_return_code_t *) e->ip;
|
|
|
886
|
|
|
887 e->status = code->status;
|
|
|
888
|
|
202
|
889 if (code->status == NGX_HTTP_NO_CONTENT) {
|
|
|
890 e->request->header_only = 1;
|
|
238
|
891 e->request->zero_body = 1;
|
|
202
|
892 }
|
|
|
893
|
|
58
|
894 e->ip += sizeof(ngx_http_script_return_code_t) - sizeof(uintptr_t);
|
|
56
|
895 }
|
|
58
|
896
|
|
|
897
|
|
|
898 void
|
|
76
|
899 ngx_http_script_break_code(ngx_http_script_engine_t *e)
|
|
|
900 {
|
|
|
901 e->request->uri_changed = 0;
|
|
|
902
|
|
|
903 e->ip = ngx_http_script_exit;
|
|
|
904 }
|
|
|
905
|
|
|
906
|
|
|
907 void
|
|
58
|
908 ngx_http_script_if_code(ngx_http_script_engine_t *e)
|
|
|
909 {
|
|
|
910 ngx_http_script_if_code_t *code;
|
|
|
911
|
|
|
912 code = (ngx_http_script_if_code_t *) e->ip;
|
|
|
913
|
|
|
914 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0,
|
|
|
915 "http script if");
|
|
|
916
|
|
|
917 e->sp--;
|
|
|
918
|
|
122
|
919 if (e->sp->len && e->sp->data[0] != '0') {
|
|
58
|
920 if (code->loc_conf) {
|
|
|
921 e->request->loc_conf = code->loc_conf;
|
|
84
|
922 ngx_http_update_location_config(e->request);
|
|
58
|
923 }
|
|
|
924
|
|
|
925 e->ip += sizeof(ngx_http_script_if_code_t);
|
|
|
926 return;
|
|
|
927 }
|
|
|
928
|
|
|
929 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0,
|
|
126
|
930 "http script if: false");
|
|
58
|
931
|
|
|
932 e->ip += code->next;
|
|
|
933 }
|
|
|
934
|
|
|
935
|
|
|
936 void
|
|
126
|
937 ngx_http_script_equal_code(ngx_http_script_engine_t *e)
|
|
|
938 {
|
|
|
939 ngx_http_variable_value_t *val, *res;
|
|
|
940
|
|
|
941 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0,
|
|
|
942 "http script equal");
|
|
|
943
|
|
|
944 e->sp--;
|
|
|
945 val = e->sp;
|
|
|
946 res = e->sp - 1;
|
|
|
947
|
|
|
948 e->ip += sizeof(uintptr_t);
|
|
|
949
|
|
430
|
950 if (val->len == res->len
|
|
|
951 && ngx_strncmp(val->data, res->data, res->len) == 0)
|
|
126
|
952 {
|
|
|
953 *res = ngx_http_variable_true_value;
|
|
|
954 return;
|
|
|
955 }
|
|
|
956
|
|
|
957 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0,
|
|
|
958 "http script equal: no");
|
|
|
959
|
|
|
960 *res = ngx_http_variable_null_value;
|
|
|
961 }
|
|
|
962
|
|
|
963
|
|
|
964 void
|
|
|
965 ngx_http_script_not_equal_code(ngx_http_script_engine_t *e)
|
|
|
966 {
|
|
|
967 ngx_http_variable_value_t *val, *res;
|
|
|
968
|
|
|
969 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0,
|
|
|
970 "http script not equal");
|
|
|
971
|
|
|
972 e->sp--;
|
|
|
973 val = e->sp;
|
|
|
974 res = e->sp - 1;
|
|
|
975
|
|
|
976 e->ip += sizeof(uintptr_t);
|
|
|
977
|
|
430
|
978 if (val->len == res->len
|
|
|
979 && ngx_strncmp(val->data, res->data, res->len) == 0)
|
|
126
|
980 {
|
|
|
981 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0,
|
|
|
982 "http script not equal: no");
|
|
|
983
|
|
|
984 *res = ngx_http_variable_null_value;
|
|
|
985 return;
|
|
|
986 }
|
|
|
987
|
|
|
988 *res = ngx_http_variable_true_value;
|
|
|
989 }
|
|
|
990
|
|
|
991
|
|
|
992 void
|
|
180
|
993 ngx_http_script_file_code(ngx_http_script_engine_t *e)
|
|
|
994 {
|
|
332
|
995 ngx_str_t path;
|
|
|
996 ngx_http_request_t *r;
|
|
|
997 ngx_open_file_info_t of;
|
|
|
998 ngx_http_core_loc_conf_t *clcf;
|
|
180
|
999 ngx_http_variable_value_t *value;
|
|
|
1000 ngx_http_script_file_code_t *code;
|
|
|
1001
|
|
|
1002 value = e->sp - 1;
|
|
|
1003
|
|
|
1004 code = (ngx_http_script_file_code_t *) e->ip;
|
|
|
1005 e->ip += sizeof(ngx_http_script_file_code_t);
|
|
|
1006
|
|
332
|
1007 path.len = value->len - 1;
|
|
|
1008 path.data = value->data;
|
|
|
1009
|
|
|
1010 r = e->request;
|
|
|
1011
|
|
|
1012 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1013 "http script file op %p \"%V\"", code->op, &path);
|
|
|
1014
|
|
|
1015 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
180
|
1016
|
|
384
|
1017 ngx_memzero(&of, sizeof(ngx_open_file_info_t));
|
|
|
1018
|
|
390
|
1019 of.directio = clcf->directio;
|
|
358
|
1020 of.valid = clcf->open_file_cache_valid;
|
|
|
1021 of.min_uses = clcf->open_file_cache_min_uses;
|
|
332
|
1022 of.errors = clcf->open_file_cache_errors;
|
|
|
1023 of.events = clcf->open_file_cache_events;
|
|
180
|
1024
|
|
332
|
1025 if (ngx_open_cached_file(clcf->open_file_cache, &path, &of, r->pool)
|
|
362
|
1026 != NGX_OK)
|
|
332
|
1027 {
|
|
|
1028 if (of.err != NGX_ENOENT && of.err != NGX_ENOTDIR) {
|
|
|
1029 ngx_log_error(NGX_LOG_CRIT, r->connection->log, of.err,
|
|
180
|
1030 ngx_file_info_n " \"%s\" failed", value->data);
|
|
|
1031 }
|
|
|
1032
|
|
|
1033 switch (code->op) {
|
|
220
|
1034
|
|
180
|
1035 case ngx_http_script_file_plain:
|
|
218
|
1036 case ngx_http_script_file_dir:
|
|
|
1037 case ngx_http_script_file_exists:
|
|
|
1038 case ngx_http_script_file_exec:
|
|
392
|
1039 goto false_value;
|
|
220
|
1040
|
|
180
|
1041 case ngx_http_script_file_not_plain:
|
|
218
|
1042 case ngx_http_script_file_not_dir:
|
|
220
|
1043 case ngx_http_script_file_not_exists:
|
|
218
|
1044 case ngx_http_script_file_not_exec:
|
|
392
|
1045 goto true_value;
|
|
180
|
1046 }
|
|
|
1047
|
|
392
|
1048 goto false_value;
|
|
180
|
1049 }
|
|
|
1050
|
|
|
1051 switch (code->op) {
|
|
|
1052 case ngx_http_script_file_plain:
|
|
332
|
1053 if (of.is_file) {
|
|
392
|
1054 goto true_value;
|
|
180
|
1055 }
|
|
392
|
1056 goto false_value;
|
|
180
|
1057
|
|
|
1058 case ngx_http_script_file_not_plain:
|
|
332
|
1059 if (of.is_file) {
|
|
392
|
1060 goto false_value;
|
|
180
|
1061 }
|
|
392
|
1062 goto true_value;
|
|
218
|
1063
|
|
|
1064 case ngx_http_script_file_dir:
|
|
332
|
1065 if (of.is_dir) {
|
|
392
|
1066 goto true_value;
|
|
218
|
1067 }
|
|
392
|
1068 goto false_value;
|
|
218
|
1069
|
|
|
1070 case ngx_http_script_file_not_dir:
|
|
332
|
1071 if (of.is_dir) {
|
|
392
|
1072 goto false_value;
|
|
218
|
1073 }
|
|
392
|
1074 goto true_value;
|
|
218
|
1075
|
|
|
1076 case ngx_http_script_file_exists:
|
|
332
|
1077 if (of.is_file || of.is_dir || of.is_link) {
|
|
392
|
1078 goto true_value;
|
|
218
|
1079 }
|
|
392
|
1080 goto false_value;
|
|
218
|
1081
|
|
|
1082 case ngx_http_script_file_not_exists:
|
|
332
|
1083 if (of.is_file || of.is_dir || of.is_link) {
|
|
392
|
1084 goto false_value;
|
|
218
|
1085 }
|
|
392
|
1086 goto true_value;
|
|
218
|
1087
|
|
|
1088 case ngx_http_script_file_exec:
|
|
332
|
1089 if (of.is_exec) {
|
|
392
|
1090 goto true_value;
|
|
218
|
1091 }
|
|
392
|
1092 goto false_value;
|
|
218
|
1093
|
|
|
1094 case ngx_http_script_file_not_exec:
|
|
332
|
1095 if (of.is_exec) {
|
|
392
|
1096 goto false_value;
|
|
218
|
1097 }
|
|
392
|
1098 goto true_value;
|
|
180
|
1099 }
|
|
|
1100
|
|
392
|
1101 false_value:
|
|
180
|
1102
|
|
332
|
1103 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
180
|
1104 "http script file op false");
|
|
|
1105
|
|
|
1106 *value = ngx_http_variable_null_value;
|
|
|
1107 return;
|
|
|
1108
|
|
392
|
1109 true_value:
|
|
180
|
1110
|
|
|
1111 *value = ngx_http_variable_true_value;
|
|
|
1112 return;
|
|
|
1113 }
|
|
|
1114
|
|
|
1115
|
|
|
1116 void
|
|
64
|
1117 ngx_http_script_complex_value_code(ngx_http_script_engine_t *e)
|
|
|
1118 {
|
|
|
1119 size_t len;
|
|
|
1120 ngx_http_script_engine_t le;
|
|
|
1121 ngx_http_script_len_code_pt lcode;
|
|
|
1122 ngx_http_script_complex_value_code_t *code;
|
|
|
1123
|
|
|
1124 code = (ngx_http_script_complex_value_code_t *) e->ip;
|
|
|
1125
|
|
|
1126 e->ip += sizeof(ngx_http_script_complex_value_code_t);
|
|
|
1127
|
|
|
1128 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0,
|
|
|
1129 "http script complex value");
|
|
|
1130
|
|
|
1131 ngx_memzero(&le, sizeof(ngx_http_script_engine_t));
|
|
|
1132
|
|
|
1133 le.ip = code->lengths->elts;
|
|
204
|
1134 le.line = e->line;
|
|
64
|
1135 le.request = e->request;
|
|
|
1136 le.captures = e->captures;
|
|
|
1137 le.ncaptures = e->ncaptures;
|
|
204
|
1138 le.quote = e->quote;
|
|
64
|
1139
|
|
|
1140 for (len = 0; *(uintptr_t *) le.ip; len += lcode(&le)) {
|
|
|
1141 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
1142 }
|
|
|
1143
|
|
|
1144 e->buf.len = len;
|
|
382
|
1145 e->buf.data = ngx_pnalloc(e->request->pool, len);
|
|
64
|
1146 if (e->buf.data == NULL) {
|
|
|
1147 e->ip = ngx_http_script_exit;
|
|
|
1148 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
1149 return;
|
|
|
1150 }
|
|
|
1151
|
|
|
1152 e->pos = e->buf.data;
|
|
|
1153
|
|
126
|
1154 e->sp->len = e->buf.len;
|
|
122
|
1155 e->sp->data = e->buf.data;
|
|
64
|
1156 e->sp++;
|
|
|
1157 }
|
|
|
1158
|
|
|
1159
|
|
|
1160 void
|
|
58
|
1161 ngx_http_script_value_code(ngx_http_script_engine_t *e)
|
|
|
1162 {
|
|
|
1163 ngx_http_script_value_code_t *code;
|
|
|
1164
|
|
|
1165 code = (ngx_http_script_value_code_t *) e->ip;
|
|
|
1166
|
|
|
1167 e->ip += sizeof(ngx_http_script_value_code_t);
|
|
|
1168
|
|
122
|
1169 e->sp->len = code->text_len;
|
|
|
1170 e->sp->data = (u_char *) code->text_data;
|
|
126
|
1171
|
|
|
1172 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0,
|
|
340
|
1173 "http script value: \"%v\"", e->sp);
|
|
126
|
1174
|
|
58
|
1175 e->sp++;
|
|
|
1176 }
|
|
|
1177
|
|
|
1178
|
|
|
1179 void
|
|
|
1180 ngx_http_script_set_var_code(ngx_http_script_engine_t *e)
|
|
|
1181 {
|
|
|
1182 ngx_http_request_t *r;
|
|
|
1183 ngx_http_script_var_code_t *code;
|
|
|
1184
|
|
|
1185 code = (ngx_http_script_var_code_t *) e->ip;
|
|
|
1186
|
|
|
1187 e->ip += sizeof(ngx_http_script_var_code_t);
|
|
|
1188
|
|
|
1189 r = e->request;
|
|
|
1190
|
|
|
1191 e->sp--;
|
|
|
1192
|
|
122
|
1193 r->variables[code->index].len = e->sp->len;
|
|
|
1194 r->variables[code->index].valid = 1;
|
|
340
|
1195 r->variables[code->index].no_cacheable = 0;
|
|
122
|
1196 r->variables[code->index].not_found = 0;
|
|
|
1197 r->variables[code->index].data = e->sp->data;
|
|
430
|
1198
|
|
|
1199 #if (NGX_DEBUG)
|
|
|
1200 {
|
|
|
1201 ngx_http_variable_t *v;
|
|
|
1202 ngx_http_core_main_conf_t *cmcf;
|
|
|
1203
|
|
|
1204 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module);
|
|
|
1205
|
|
|
1206 v = cmcf->variables.elts;
|
|
|
1207
|
|
|
1208 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0,
|
|
|
1209 "http script set $%V", &v[code->index].name);
|
|
|
1210 }
|
|
|
1211 #endif
|
|
58
|
1212 }
|
|
|
1213
|
|
|
1214
|
|
|
1215 void
|
|
186
|
1216 ngx_http_script_var_set_handler_code(ngx_http_script_engine_t *e)
|
|
|
1217 {
|
|
|
1218 ngx_http_script_var_handler_code_t *code;
|
|
|
1219
|
|
|
1220 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0,
|
|
|
1221 "http script set var handler");
|
|
|
1222
|
|
|
1223 code = (ngx_http_script_var_handler_code_t *) e->ip;
|
|
|
1224
|
|
|
1225 e->ip += sizeof(ngx_http_script_var_handler_code_t);
|
|
|
1226
|
|
|
1227 e->sp--;
|
|
|
1228
|
|
|
1229 code->handler(e->request, e->sp, code->data);
|
|
|
1230 }
|
|
|
1231
|
|
|
1232
|
|
|
1233 void
|
|
58
|
1234 ngx_http_script_var_code(ngx_http_script_engine_t *e)
|
|
|
1235 {
|
|
|
1236 ngx_http_variable_value_t *value;
|
|
|
1237 ngx_http_script_var_code_t *code;
|
|
|
1238
|
|
|
1239 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0,
|
|
|
1240 "http script var");
|
|
|
1241
|
|
|
1242 code = (ngx_http_script_var_code_t *) e->ip;
|
|
|
1243
|
|
|
1244 e->ip += sizeof(ngx_http_script_var_code_t);
|
|
|
1245
|
|
122
|
1246 value = ngx_http_get_flushed_variable(e->request, code->index);
|
|
58
|
1247
|
|
122
|
1248 if (value && !value->not_found) {
|
|
|
1249 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0,
|
|
328
|
1250 "http script var: \"%v\"", value);
|
|
122
|
1251
|
|
102
|
1252 *e->sp = *value;
|
|
58
|
1253 e->sp++;
|
|
|
1254
|
|
|
1255 return;
|
|
|
1256 }
|
|
|
1257
|
|
126
|
1258 *e->sp = ngx_http_variable_null_value;
|
|
58
|
1259 e->sp++;
|
|
|
1260 }
|
|
|
1261
|
|
|
1262
|
|
|
1263 void
|
|
|
1264 ngx_http_script_nop_code(ngx_http_script_engine_t *e)
|
|
|
1265 {
|
|
|
1266 e->ip += sizeof(uintptr_t);
|
|
|
1267 }
|
