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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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456
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43 #if (NGX_PCRE)
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58
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44 ngx_http_script_copy_capture_code_t *copy_capture;
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456
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45 #endif
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58
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46
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122
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47 if (sc->flushes && *sc->flushes == NULL) {
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48 n = sc->variables ? sc->variables : 1;
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49 *sc->flushes = ngx_array_create(sc->cf->pool, n, sizeof(ngx_uint_t));
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50 if (*sc->flushes == NULL) {
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51 return NGX_ERROR;
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52 }
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53 }
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54
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55
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58
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56 if (*sc->lengths == NULL) {
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57 n = sc->variables * (2 * sizeof(ngx_http_script_copy_code_t)
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58 + sizeof(ngx_http_script_var_code_t))
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59 + sizeof(uintptr_t);
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60
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61 *sc->lengths = ngx_array_create(sc->cf->pool, n, 1);
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62 if (*sc->lengths == NULL) {
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63 return NGX_ERROR;
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64 }
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65 }
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66
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67
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68 if (*sc->values == NULL) {
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69 n = (sc->variables * (2 * sizeof(ngx_http_script_copy_code_t)
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70 + sizeof(ngx_http_script_var_code_t))
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71 + sizeof(uintptr_t)
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72 + sc->source->len
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73 + sizeof(uintptr_t) - 1)
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74 & ~(sizeof(uintptr_t) - 1);
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75
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76 *sc->values = ngx_array_create(sc->cf->pool, n, 1);
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77 if (*sc->values == NULL) {
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56
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78 return NGX_ERROR;
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79 }
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80 }
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81
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58
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82 sc->variables = 0;
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83
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84 for (i = 0; i < sc->source->len; /* void */ ) {
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85
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86 name.len = 0;
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87
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88 if (sc->source->data[i] == '$') {
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89
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90 if (++i == sc->source->len) {
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91 goto invalid_variable;
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92 }
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93
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456
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94 #if (NGX_PCRE)
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95
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96 /* NGX_HTTP_MAX_CAPTURES is 9 */
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97
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58
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98 if (sc->source->data[i] >= '1' && sc->source->data[i] <= '9') {
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99
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190
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100 n = sc->source->data[i] - '0';
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101
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102 if (sc->captures_mask & (1 << n)) {
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103 sc->dup_capture = 1;
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104 }
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105
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106 sc->captures_mask |= 1 << n;
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107
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58
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108 copy_capture = ngx_http_script_add_code(*sc->lengths,
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109 sizeof(ngx_http_script_copy_capture_code_t),
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110 NULL);
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111 if (copy_capture == NULL) {
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112 return NGX_ERROR;
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113 }
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114
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115 copy_capture->code = (ngx_http_script_code_pt)
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116 ngx_http_script_copy_capture_len_code;
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190
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117 copy_capture->n = 2 * n;
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118
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58
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119
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120 copy_capture = ngx_http_script_add_code(*sc->values,
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121 sizeof(ngx_http_script_copy_capture_code_t),
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122 &sc->main);
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123 if (copy_capture == NULL) {
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124 return NGX_ERROR;
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125 }
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126
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127 copy_capture->code = ngx_http_script_copy_capture_code;
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190
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128 copy_capture->n = 2 * n;
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58
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129
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190
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130 if (sc->ncaptures < n) {
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131 sc->ncaptures = n;
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58
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132 }
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133
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134 i++;
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135
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136 continue;
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137 }
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138
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456
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139 #endif
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140
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58
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141 if (sc->source->data[i] == '{') {
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142 bracket = 1;
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143
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144 if (++i == sc->source->len) {
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145 goto invalid_variable;
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146 }
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147
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148 name.data = &sc->source->data[i];
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149
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150 } else {
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151 bracket = 0;
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152 name.data = &sc->source->data[i];
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153 }
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154
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155 for ( /* void */ ; i < sc->source->len; i++, name.len++) {
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156 ch = sc->source->data[i];
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56
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157
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58
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158 if (ch == '}' && bracket) {
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159 i++;
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160 bracket = 0;
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161 break;
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162 }
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163
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164 if ((ch >= 'A' && ch <= 'Z')
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165 || (ch >= 'a' && ch <= 'z')
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166 || (ch >= '0' && ch <= '9')
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167 || ch == '_')
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168 {
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169 continue;
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170 }
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171
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172 break;
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173 }
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174
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175 if (bracket) {
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176 ngx_conf_log_error(NGX_LOG_EMERG, sc->cf, 0,
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177 "the closing bracket in \"%V\" "
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178 "variable is missing", &name);
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56
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179 return NGX_ERROR;
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180 }
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181
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58
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182 if (name.len == 0) {
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183 goto invalid_variable;
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184 }
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56
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185
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58
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186 sc->variables++;
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56
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187
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58
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188 index = ngx_http_get_variable_index(sc->cf, &name);
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189
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190 if (index == NGX_ERROR) {
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56
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191 return NGX_ERROR;
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192 }
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193
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122
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194 if (sc->flushes) {
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195 p = ngx_array_push(*sc->flushes);
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196 if (p == NULL) {
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197 return NGX_ERROR;
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198 }
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199
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200 *p = index;
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201 }
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202
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58
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203 var_code = ngx_http_script_add_code(*sc->lengths,
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204 sizeof(ngx_http_script_var_code_t),
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205 NULL);
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56
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206 if (var_code == NULL) {
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207 return NGX_ERROR;
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208 }
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209
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210 var_code->code = (ngx_http_script_code_pt)
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58
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211 ngx_http_script_copy_var_len_code;
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212 var_code->index = (uintptr_t) index;
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56
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213
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214
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58
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215 var_code = ngx_http_script_add_code(*sc->values,
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216 sizeof(ngx_http_script_var_code_t),
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217 &sc->main);
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56
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218 if (var_code == NULL) {
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219 return NGX_ERROR;
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220 }
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221
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58
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222 var_code->code = ngx_http_script_copy_var_code;
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223 var_code->index = (uintptr_t) index;
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224
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225 continue;
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226 }
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56
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227
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58
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228 if (sc->source->data[i] == '?' && sc->compile_args) {
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229 sc->args = 1;
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230 sc->compile_args = 0;
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56
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231
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366
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232 code = ngx_http_script_add_code(*sc->lengths, sizeof(uintptr_t),
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233 NULL);
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234 if (code == NULL) {
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235 return NGX_ERROR;
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236 }
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237
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238 *code = (uintptr_t) ngx_http_script_mark_args_code;
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239
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58
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240 code = ngx_http_script_add_code(*sc->values, sizeof(uintptr_t),
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241 &sc->main);
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242 if (code == NULL) {
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56
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243 return NGX_ERROR;
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244 }
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245
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58
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246 *code = (uintptr_t) ngx_http_script_start_args_code;
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247
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248 i++;
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249
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56
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250 continue;
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251 }
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252
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58
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253 name.data = &sc->source->data[i];
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254
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444
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255 while (i < sc->source->len) {
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256
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257 if (sc->source->data[i] == '$') {
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258 break;
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259 }
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260
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261 if (sc->source->data[i] == '?') {
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262
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263 sc->args = 1;
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264
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265 if (sc->compile_args) {
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266 break;
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267 }
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268 }
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269
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58
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270 i++;
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271 name.len++;
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272 }
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273
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274 sc->size += name.len;
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275
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276 copy = ngx_http_script_add_code(*sc->lengths,
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277 sizeof(ngx_http_script_copy_code_t),
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278 NULL);
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279 if (copy == NULL) {
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56
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280 return NGX_ERROR;
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281 }
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58
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282
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283 copy->code = (ngx_http_script_code_pt) ngx_http_script_copy_len_code;
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284 copy->len = name.len;
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285
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286 size = (sizeof(ngx_http_script_copy_code_t) + name.len
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287 + sizeof(uintptr_t) - 1)
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288 & ~(sizeof(uintptr_t) - 1);
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56
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289
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58
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290 copy = ngx_http_script_add_code(*sc->values, size, &sc->main);
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291 if (copy == NULL) {
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292 return NGX_ERROR;
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293 }
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294
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295 copy->code = ngx_http_script_copy_code;
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296 copy->len = name.len;
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297
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298 ngx_memcpy((u_char *) copy + sizeof(ngx_http_script_copy_code_t),
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299 name.data, name.len);
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56
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300 }
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301
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58
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302 if (sc->complete_lengths) {
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303 code = ngx_http_script_add_code(*sc->lengths, sizeof(uintptr_t), NULL);
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304 if (code == NULL) {
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305 return NGX_ERROR;
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306 }
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56
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307
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58
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308 *code = (uintptr_t) NULL;
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56
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309 }
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310
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58
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311 if (sc->complete_values) {
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312 code = ngx_http_script_add_code(*sc->values, sizeof(uintptr_t),
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313 &sc->main);
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314 if (code == NULL) {
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315 return NGX_ERROR;
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316 }
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317
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318 *code = (uintptr_t) NULL;
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319 }
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56
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320
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321 return NGX_OK;
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58
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322
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323 invalid_variable:
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324
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325 ngx_conf_log_error(NGX_LOG_EMERG, sc->cf, 0, "invalid variable name");
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326
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327 return NGX_ERROR;
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56
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328 }
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329
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330
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172
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331 u_char *
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332 ngx_http_script_run(ngx_http_request_t *r, ngx_str_t *value,
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333 void *code_lengths, size_t len, void *code_values)
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334 {
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294
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335 ngx_uint_t i;
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336 ngx_http_script_code_pt code;
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337 ngx_http_script_len_code_pt lcode;
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338 ngx_http_script_engine_t e;
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339 ngx_http_core_main_conf_t *cmcf;
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340
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341 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module);
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342
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343 for (i = 0; i < cmcf->variables.nelts; i++) {
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340
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344 if (r->variables[i].no_cacheable) {
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294
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345 r->variables[i].valid = 0;
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346 r->variables[i].not_found = 0;
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347 }
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348 }
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172
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349
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350 ngx_memzero(&e, sizeof(ngx_http_script_engine_t));
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351
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352 e.ip = code_lengths;
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353 e.request = r;
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354 e.flushed = 1;
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355
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356 while (*(uintptr_t *) e.ip) {
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357 lcode = *(ngx_http_script_len_code_pt *) e.ip;
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358 len += lcode(&e);
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359 }
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360
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361
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362 value->len = len;
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382
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363 value->data = ngx_pnalloc(r->pool, len);
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172
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364 if (value->data == NULL) {
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365 return NULL;
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366 }
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367
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368 e.ip = code_values;
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369 e.pos = value->data;
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370
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371 while (*(uintptr_t *) e.ip) {
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372 code = *(ngx_http_script_code_pt *) e.ip;
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373 code((ngx_http_script_engine_t *) &e);
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374 }
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375
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376 return e.pos;
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377 }
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378
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379
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122
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380 void
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340
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381 ngx_http_script_flush_no_cacheable_variables(ngx_http_request_t *r,
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122
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382 ngx_array_t *indices)
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383 {
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384 ngx_uint_t n, *index;
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385
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386 if (indices) {
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387 index = indices->elts;
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388 for (n = 0; n < indices->nelts; n++) {
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340
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389 if (r->variables[index[n]].no_cacheable) {
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122
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390 r->variables[index[n]].valid = 0;
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391 r->variables[index[n]].not_found = 0;
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392 }
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393 }
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394 }
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395 }
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396
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397
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58
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398 void *
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56
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399 ngx_http_script_start_code(ngx_pool_t *pool, ngx_array_t **codes, size_t size)
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400 {
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401 if (*codes == NULL) {
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402 *codes = ngx_array_create(pool, 256, 1);
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403 if (*codes == NULL) {
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404 return NULL;
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405 }
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406 }
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407
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408 return ngx_array_push_n(*codes, size);
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409 }
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410
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58
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411
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412 void *
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413 ngx_http_script_add_code(ngx_array_t *codes, size_t size, void *code)
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414 {
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415 u_char *elts, **p;
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416 void *new;
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417
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418 elts = codes->elts;
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419
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420 new = ngx_array_push_n(codes, size);
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421 if (new == NULL) {
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422 return NGX_CONF_ERROR;
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423 }
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424
|
|
|
425 if (code) {
|
|
|
426 if (elts != codes->elts) {
|
|
|
427 p = code;
|
|
|
428 *p += (u_char *) codes->elts - elts;
|
|
|
429 }
|
|
|
430 }
|
|
|
431
|
|
|
432 return new;
|
|
|
433 }
|
|
56
|
434
|
|
|
435
|
|
|
436 size_t
|
|
58
|
437 ngx_http_script_copy_len_code(ngx_http_script_engine_t *e)
|
|
56
|
438 {
|
|
|
439 ngx_http_script_copy_code_t *code;
|
|
|
440
|
|
58
|
441 code = (ngx_http_script_copy_code_t *) e->ip;
|
|
56
|
442
|
|
58
|
443 e->ip += sizeof(ngx_http_script_copy_code_t);
|
|
56
|
444
|
|
|
445 return code->len;
|
|
|
446 }
|
|
|
447
|
|
|
448
|
|
|
449 void
|
|
58
|
450 ngx_http_script_copy_code(ngx_http_script_engine_t *e)
|
|
56
|
451 {
|
|
430
|
452 u_char *p;
|
|
56
|
453 ngx_http_script_copy_code_t *code;
|
|
|
454
|
|
58
|
455 code = (ngx_http_script_copy_code_t *) e->ip;
|
|
|
456
|
|
430
|
457 p = e->pos;
|
|
|
458
|
|
58
|
459 if (!e->skip) {
|
|
430
|
460 e->pos = ngx_copy(p, e->ip + sizeof(ngx_http_script_copy_code_t),
|
|
122
|
461 code->len);
|
|
58
|
462 }
|
|
56
|
463
|
|
58
|
464 e->ip += sizeof(ngx_http_script_copy_code_t)
|
|
|
465 + ((code->len + sizeof(uintptr_t) - 1) & ~(sizeof(uintptr_t) - 1));
|
|
56
|
466
|
|
430
|
467 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0,
|
|
|
468 "http script copy: \"%*s\"", e->pos - p, p);
|
|
56
|
469 }
|
|
|
470
|
|
|
471
|
|
|
472 size_t
|
|
58
|
473 ngx_http_script_copy_var_len_code(ngx_http_script_engine_t *e)
|
|
56
|
474 {
|
|
|
475 ngx_http_variable_value_t *value;
|
|
|
476 ngx_http_script_var_code_t *code;
|
|
|
477
|
|
58
|
478 code = (ngx_http_script_var_code_t *) e->ip;
|
|
56
|
479
|
|
58
|
480 e->ip += sizeof(ngx_http_script_var_code_t);
|
|
56
|
481
|
|
122
|
482 if (e->flushed) {
|
|
|
483 value = ngx_http_get_indexed_variable(e->request, code->index);
|
|
56
|
484
|
|
122
|
485 } else {
|
|
|
486 value = ngx_http_get_flushed_variable(e->request, code->index);
|
|
|
487 }
|
|
|
488
|
|
|
489 if (value && !value->not_found) {
|
|
|
490 return value->len;
|
|
56
|
491 }
|
|
|
492
|
|
102
|
493 return 0;
|
|
56
|
494 }
|
|
|
495
|
|
|
496
|
|
|
497 void
|
|
58
|
498 ngx_http_script_copy_var_code(ngx_http_script_engine_t *e)
|
|
56
|
499 {
|
|
430
|
500 u_char *p;
|
|
56
|
501 ngx_http_variable_value_t *value;
|
|
|
502 ngx_http_script_var_code_t *code;
|
|
|
503
|
|
58
|
504 code = (ngx_http_script_var_code_t *) e->ip;
|
|
|
505
|
|
|
506 e->ip += sizeof(ngx_http_script_var_code_t);
|
|
|
507
|
|
|
508 if (!e->skip) {
|
|
122
|
509
|
|
|
510 if (e->flushed) {
|
|
|
511 value = ngx_http_get_indexed_variable(e->request, code->index);
|
|
58
|
512
|
|
122
|
513 } else {
|
|
|
514 value = ngx_http_get_flushed_variable(e->request, code->index);
|
|
|
515 }
|
|
|
516
|
|
|
517 if (value && !value->not_found) {
|
|
430
|
518 p = e->pos;
|
|
|
519 e->pos = ngx_copy(p, value->data, value->len);
|
|
58
|
520
|
|
430
|
521 ngx_log_debug2(NGX_LOG_DEBUG_HTTP,
|
|
256
|
522 e->request->connection->log, 0,
|
|
430
|
523 "http script var: \"%*s\"", e->pos - p, p);
|
|
58
|
524 }
|
|
|
525 }
|
|
|
526 }
|
|
|
527
|
|
|
528
|
|
|
529 size_t
|
|
366
|
530 ngx_http_script_mark_args_code(ngx_http_script_engine_t *e)
|
|
|
531 {
|
|
|
532 e->is_args = 1;
|
|
|
533 e->ip += sizeof(uintptr_t);
|
|
|
534
|
|
|
535 return 1;
|
|
|
536 }
|
|
|
537
|
|
|
538
|
|
58
|
539 void
|
|
|
540 ngx_http_script_start_args_code(ngx_http_script_engine_t *e)
|
|
|
541 {
|
|
|
542 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0,
|
|
|
543 "http script args");
|
|
126
|
544
|
|
404
|
545 e->is_args = 1;
|
|
58
|
546 e->args = e->pos;
|
|
|
547 e->ip += sizeof(uintptr_t);
|
|
|
548 }
|
|
|
549
|
|
|
550
|
|
66
|
551 #if (NGX_PCRE)
|
|
|
552
|
|
58
|
553 void
|
|
|
554 ngx_http_script_regex_start_code(ngx_http_script_engine_t *e)
|
|
|
555 {
|
|
|
556 size_t len;
|
|
|
557 ngx_int_t rc;
|
|
|
558 ngx_uint_t n;
|
|
|
559 ngx_http_request_t *r;
|
|
|
560 ngx_http_script_engine_t le;
|
|
|
561 ngx_http_script_len_code_pt lcode;
|
|
|
562 ngx_http_script_regex_code_t *code;
|
|
|
563
|
|
|
564 code = (ngx_http_script_regex_code_t *) e->ip;
|
|
|
565
|
|
|
566 r = e->request;
|
|
|
567
|
|
|
568 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
569 "http script regex: \"%V\"", &code->name);
|
|
|
570
|
|
|
571 if (code->uri) {
|
|
64
|
572 e->line = r->uri;
|
|
58
|
573 } else {
|
|
|
574 e->sp--;
|
|
122
|
575 e->line.len = e->sp->len;
|
|
|
576 e->line.data = e->sp->data;
|
|
58
|
577 }
|
|
56
|
578
|
|
456
|
579 if (code->ncaptures && r->captures == NULL) {
|
|
|
580
|
|
|
581 r->captures = ngx_palloc(r->pool,
|
|
|
582 (NGX_HTTP_MAX_CAPTURES + 1) * 3 * sizeof(int));
|
|
|
583 if (r->captures == NULL) {
|
|
|
584 e->ip = ngx_http_script_exit;
|
|
|
585 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
586 return;
|
|
|
587 }
|
|
|
588 }
|
|
|
589
|
|
|
590 rc = ngx_regex_exec(code->regex, &e->line, r->captures, code->ncaptures);
|
|
58
|
591
|
|
|
592 if (rc == NGX_REGEX_NO_MATCHED) {
|
|
430
|
593 if (e->log || (r->connection->log->log_level & NGX_LOG_DEBUG_HTTP)) {
|
|
58
|
594 ngx_log_error(NGX_LOG_NOTICE, r->connection->log, 0,
|
|
64
|
595 "\"%V\" does not match \"%V\"",
|
|
|
596 &code->name, &e->line);
|
|
58
|
597 }
|
|
|
598
|
|
456
|
599 r->ncaptures = 0;
|
|
64
|
600
|
|
58
|
601 if (code->test) {
|
|
180
|
602 if (code->negative_test) {
|
|
|
603 e->sp->len = 1;
|
|
|
604 e->sp->data = (u_char *) "1";
|
|
|
605
|
|
|
606 } else {
|
|
|
607 e->sp->len = 0;
|
|
|
608 e->sp->data = (u_char *) "";
|
|
|
609 }
|
|
|
610
|
|
58
|
611 e->sp++;
|
|
|
612
|
|
|
613 e->ip += sizeof(ngx_http_script_regex_code_t);
|
|
|
614 return;
|
|
|
615 }
|
|
|
616
|
|
|
617 e->ip += code->next;
|
|
|
618 return;
|
|
|
619 }
|
|
|
620
|
|
|
621 if (rc < 0) {
|
|
|
622 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
|
|
|
623 ngx_regex_exec_n " failed: %d on \"%V\" using \"%V\"",
|
|
64
|
624 rc, &e->line, &code->name);
|
|
58
|
625
|
|
|
626 e->ip = ngx_http_script_exit;
|
|
|
627 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
628 return;
|
|
|
629 }
|
|
|
630
|
|
430
|
631 if (e->log || (r->connection->log->log_level & NGX_LOG_DEBUG_HTTP)) {
|
|
58
|
632 ngx_log_error(NGX_LOG_NOTICE, r->connection->log, 0,
|
|
64
|
633 "\"%V\" matches \"%V\"", &code->name, &e->line);
|
|
58
|
634 }
|
|
|
635
|
|
456
|
636 r->ncaptures = code->ncaptures;
|
|
|
637 r->captures_data = e->line.data;
|
|
64
|
638
|
|
58
|
639 if (code->test) {
|
|
180
|
640 if (code->negative_test) {
|
|
|
641 e->sp->len = 0;
|
|
|
642 e->sp->data = (u_char *) "";
|
|
|
643
|
|
|
644 } else {
|
|
|
645 e->sp->len = 1;
|
|
|
646 e->sp->data = (u_char *) "1";
|
|
|
647 }
|
|
|
648
|
|
58
|
649 e->sp++;
|
|
|
650
|
|
|
651 e->ip += sizeof(ngx_http_script_regex_code_t);
|
|
|
652 return;
|
|
|
653 }
|
|
|
654
|
|
|
655 if (code->status) {
|
|
|
656 e->status = code->status;
|
|
56
|
657
|
|
58
|
658 if (!code->redirect) {
|
|
|
659 e->ip = ngx_http_script_exit;
|
|
|
660 return;
|
|
|
661 }
|
|
|
662 }
|
|
|
663
|
|
|
664 if (code->uri) {
|
|
|
665 r->internal = 1;
|
|
|
666 r->valid_unparsed_uri = 0;
|
|
|
667
|
|
|
668 if (code->break_cycle) {
|
|
|
669 r->valid_location = 0;
|
|
76
|
670 r->uri_changed = 0;
|
|
58
|
671
|
|
|
672 } else {
|
|
|
673 r->uri_changed = 1;
|
|
|
674 }
|
|
|
675 }
|
|
|
676
|
|
|
677 if (code->lengths == NULL) {
|
|
|
678 e->buf.len = code->size;
|
|
|
679
|
|
|
680 if (code->uri) {
|
|
|
681 if (rc && (r->quoted_uri || r->plus_in_uri)) {
|
|
|
682 e->buf.len += 2 * ngx_escape_uri(NULL, r->uri.data, r->uri.len,
|
|
|
683 NGX_ESCAPE_ARGS);
|
|
|
684 }
|
|
|
685 }
|
|
|
686
|
|
|
687 for (n = 1; n < (ngx_uint_t) rc; n++) {
|
|
456
|
688 e->buf.len += r->captures[2 * n + 1] - r->captures[2 * n];
|
|
58
|
689 }
|
|
|
690
|
|
|
691 } else {
|
|
|
692 ngx_memzero(&le, sizeof(ngx_http_script_engine_t));
|
|
|
693
|
|
|
694 le.ip = code->lengths->elts;
|
|
228
|
695 le.line = e->line;
|
|
58
|
696 le.request = r;
|
|
228
|
697 le.quote = code->redirect;
|
|
58
|
698
|
|
366
|
699 len = 0;
|
|
58
|
700
|
|
|
701 while (*(uintptr_t *) le.ip) {
|
|
|
702 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
703 len += lcode(&le);
|
|
|
704 }
|
|
|
705
|
|
|
706 e->buf.len = len;
|
|
366
|
707 e->is_args = le.is_args;
|
|
58
|
708 }
|
|
|
709
|
|
64
|
710 if (code->add_args && r->args.len) {
|
|
58
|
711 e->buf.len += r->args.len + 1;
|
|
|
712 }
|
|
|
713
|
|
382
|
714 e->buf.data = ngx_pnalloc(r->pool, e->buf.len);
|
|
58
|
715 if (e->buf.data == NULL) {
|
|
|
716 e->ip = ngx_http_script_exit;
|
|
|
717 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
56
|
718 return;
|
|
|
719 }
|
|
|
720
|
|
58
|
721 e->quote = code->redirect;
|
|
|
722
|
|
|
723 e->pos = e->buf.data;
|
|
|
724
|
|
|
725 e->ip += sizeof(ngx_http_script_regex_code_t);
|
|
|
726 }
|
|
|
727
|
|
|
728
|
|
|
729 void
|
|
|
730 ngx_http_script_regex_end_code(ngx_http_script_engine_t *e)
|
|
|
731 {
|
|
126
|
732 u_char *dst, *src;
|
|
58
|
733 ngx_http_request_t *r;
|
|
|
734 ngx_http_script_regex_end_code_t *code;
|
|
|
735
|
|
|
736 code = (ngx_http_script_regex_end_code_t *) e->ip;
|
|
|
737
|
|
|
738 r = e->request;
|
|
|
739
|
|
|
740 e->quote = 0;
|
|
|
741
|
|
|
742 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
743 "http script regex end");
|
|
|
744
|
|
|
745 if (code->redirect) {
|
|
|
746
|
|
126
|
747 dst = e->buf.data;
|
|
|
748 src = e->buf.data;
|
|
|
749
|
|
342
|
750 ngx_unescape_uri(&dst, &src, e->pos - e->buf.data,
|
|
|
751 NGX_UNESCAPE_REDIRECT);
|
|
126
|
752
|
|
|
753 if (src < e->pos) {
|
|
|
754 dst = ngx_copy(dst, src, e->pos - src);
|
|
|
755 }
|
|
|
756
|
|
|
757 e->pos = dst;
|
|
|
758
|
|
|
759 if (code->add_args && r->args.len) {
|
|
58
|
760 *e->pos++ = (u_char) (code->args ? '&' : '?');
|
|
122
|
761 e->pos = ngx_copy(e->pos, r->args.data, r->args.len);
|
|
58
|
762 }
|
|
|
763
|
|
|
764 e->buf.len = e->pos - e->buf.data;
|
|
|
765
|
|
430
|
766 if (e->log || (r->connection->log->log_level & NGX_LOG_DEBUG_HTTP)) {
|
|
58
|
767 ngx_log_error(NGX_LOG_NOTICE, r->connection->log, 0,
|
|
|
768 "rewritten redirect: \"%V\"", &e->buf);
|
|
|
769 }
|
|
|
770
|
|
|
771 r->headers_out.location = ngx_list_push(&r->headers_out.headers);
|
|
|
772 if (r->headers_out.location == NULL) {
|
|
|
773 e->ip = ngx_http_script_exit;
|
|
|
774 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
775 return;
|
|
|
776 }
|
|
|
777
|
|
126
|
778 r->headers_out.location->hash = 1;
|
|
58
|
779 r->headers_out.location->key.len = sizeof("Location") - 1;
|
|
|
780 r->headers_out.location->key.data = (u_char *) "Location";
|
|
|
781 r->headers_out.location->value = e->buf;
|
|
|
782
|
|
|
783 e->ip += sizeof(ngx_http_script_regex_end_code_t);
|
|
|
784 return;
|
|
|
785 }
|
|
|
786
|
|
126
|
787 if (e->args) {
|
|
58
|
788 e->buf.len = e->args - e->buf.data;
|
|
|
789
|
|
|
790 if (code->add_args && r->args.len) {
|
|
|
791 *e->pos++ = '&';
|
|
122
|
792 e->pos = ngx_copy(e->pos, r->args.data, r->args.len);
|
|
58
|
793 }
|
|
|
794
|
|
|
795 r->args.len = e->pos - e->args;
|
|
|
796 r->args.data = e->args;
|
|
|
797
|
|
|
798 e->args = NULL;
|
|
|
799
|
|
|
800 } else {
|
|
|
801 e->buf.len = e->pos - e->buf.data;
|
|
222
|
802
|
|
|
803 if (!code->add_args) {
|
|
|
804 r->args.len = 0;
|
|
|
805 }
|
|
58
|
806 }
|
|
|
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 data: \"%V\", args: \"%V\"",
|
|
|
811 &e->buf, &r->args);
|
|
|
812 }
|
|
|
813
|
|
|
814 if (code->uri) {
|
|
|
815 r->uri = e->buf;
|
|
|
816
|
|
84
|
817 if (r->uri.len == 0) {
|
|
|
818 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
819 "the rewritten URI has a zero length");
|
|
|
820 e->ip = ngx_http_script_exit;
|
|
|
821 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
822 return;
|
|
|
823 }
|
|
|
824
|
|
58
|
825 if (ngx_http_set_exten(r) != NGX_OK) {
|
|
|
826 e->ip = ngx_http_script_exit;
|
|
|
827 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
828 return;
|
|
|
829 }
|
|
|
830 }
|
|
|
831
|
|
|
832 e->ip += sizeof(ngx_http_script_regex_end_code_t);
|
|
|
833 }
|
|
|
834
|
|
456
|
835
|
|
|
836 size_t
|
|
|
837 ngx_http_script_copy_capture_len_code(ngx_http_script_engine_t *e)
|
|
|
838 {
|
|
|
839 int *cap;
|
|
|
840 u_char *p;
|
|
|
841 ngx_uint_t n;
|
|
|
842 ngx_http_request_t *r;
|
|
|
843 ngx_http_script_copy_capture_code_t *code;
|
|
|
844
|
|
|
845 r = e->request;
|
|
|
846
|
|
|
847 code = (ngx_http_script_copy_capture_code_t *) e->ip;
|
|
|
848
|
|
|
849 e->ip += sizeof(ngx_http_script_copy_capture_code_t);
|
|
|
850
|
|
|
851 n = code->n;
|
|
|
852
|
|
|
853 if (n < r->ncaptures) {
|
|
|
854
|
|
|
855 cap = r->captures;
|
|
|
856
|
|
|
857 if ((e->is_args || e->quote)
|
|
|
858 && (e->request->quoted_uri || e->request->plus_in_uri))
|
|
|
859 {
|
|
|
860 p = r->captures_data;
|
|
|
861
|
|
|
862 return cap[n + 1] - cap[n]
|
|
|
863 + 2 * ngx_escape_uri(NULL, &p[cap[n]], cap[n + 1] - cap[n],
|
|
|
864 NGX_ESCAPE_ARGS);
|
|
|
865 } else {
|
|
|
866 return cap[n + 1] - cap[n];
|
|
|
867 }
|
|
|
868 }
|
|
|
869
|
|
|
870 return 0;
|
|
|
871 }
|
|
|
872
|
|
|
873
|
|
|
874 void
|
|
|
875 ngx_http_script_copy_capture_code(ngx_http_script_engine_t *e)
|
|
|
876 {
|
|
|
877 int *cap;
|
|
|
878 u_char *p, *pos;
|
|
|
879 ngx_uint_t n;
|
|
|
880 ngx_http_request_t *r;
|
|
|
881 ngx_http_script_copy_capture_code_t *code;
|
|
|
882
|
|
|
883 r = e->request;
|
|
|
884
|
|
|
885 code = (ngx_http_script_copy_capture_code_t *) e->ip;
|
|
|
886
|
|
|
887 e->ip += sizeof(ngx_http_script_copy_capture_code_t);
|
|
|
888
|
|
|
889 n = code->n;
|
|
|
890
|
|
|
891 pos = e->pos;
|
|
|
892
|
|
|
893 if (n < r->ncaptures) {
|
|
|
894
|
|
|
895 cap = r->captures;
|
|
|
896 p = r->captures_data;
|
|
|
897
|
|
|
898 if ((e->is_args || e->quote)
|
|
|
899 && (e->request->quoted_uri || e->request->plus_in_uri))
|
|
|
900 {
|
|
|
901 e->pos = (u_char *) ngx_escape_uri(pos, &p[cap[n]],
|
|
|
902 cap[n + 1] - cap[n],
|
|
|
903 NGX_ESCAPE_ARGS);
|
|
|
904 } else {
|
|
|
905 e->pos = ngx_copy(pos, &p[cap[n]], cap[n + 1] - cap[n]);
|
|
|
906 }
|
|
|
907 }
|
|
|
908
|
|
|
909 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0,
|
|
|
910 "http script capture: \"%*s\"", e->pos - pos, pos);
|
|
|
911 }
|
|
|
912
|
|
66
|
913 #endif
|
|
|
914
|
|
58
|
915
|
|
|
916 void
|
|
|
917 ngx_http_script_return_code(ngx_http_script_engine_t *e)
|
|
126
|
918 {
|
|
58
|
919 ngx_http_script_return_code_t *code;
|
|
126
|
920
|
|
58
|
921 code = (ngx_http_script_return_code_t *) e->ip;
|
|
|
922
|
|
|
923 e->status = code->status;
|
|
|
924
|
|
202
|
925 if (code->status == NGX_HTTP_NO_CONTENT) {
|
|
|
926 e->request->header_only = 1;
|
|
238
|
927 e->request->zero_body = 1;
|
|
202
|
928 }
|
|
|
929
|
|
58
|
930 e->ip += sizeof(ngx_http_script_return_code_t) - sizeof(uintptr_t);
|
|
56
|
931 }
|
|
58
|
932
|
|
|
933
|
|
|
934 void
|
|
76
|
935 ngx_http_script_break_code(ngx_http_script_engine_t *e)
|
|
|
936 {
|
|
|
937 e->request->uri_changed = 0;
|
|
|
938
|
|
|
939 e->ip = ngx_http_script_exit;
|
|
|
940 }
|
|
|
941
|
|
|
942
|
|
|
943 void
|
|
58
|
944 ngx_http_script_if_code(ngx_http_script_engine_t *e)
|
|
|
945 {
|
|
|
946 ngx_http_script_if_code_t *code;
|
|
|
947
|
|
|
948 code = (ngx_http_script_if_code_t *) e->ip;
|
|
|
949
|
|
|
950 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0,
|
|
|
951 "http script if");
|
|
|
952
|
|
|
953 e->sp--;
|
|
|
954
|
|
122
|
955 if (e->sp->len && e->sp->data[0] != '0') {
|
|
58
|
956 if (code->loc_conf) {
|
|
|
957 e->request->loc_conf = code->loc_conf;
|
|
84
|
958 ngx_http_update_location_config(e->request);
|
|
58
|
959 }
|
|
|
960
|
|
|
961 e->ip += sizeof(ngx_http_script_if_code_t);
|
|
|
962 return;
|
|
|
963 }
|
|
|
964
|
|
|
965 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0,
|
|
126
|
966 "http script if: false");
|
|
58
|
967
|
|
|
968 e->ip += code->next;
|
|
|
969 }
|
|
|
970
|
|
|
971
|
|
|
972 void
|
|
126
|
973 ngx_http_script_equal_code(ngx_http_script_engine_t *e)
|
|
|
974 {
|
|
|
975 ngx_http_variable_value_t *val, *res;
|
|
|
976
|
|
|
977 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0,
|
|
|
978 "http script equal");
|
|
|
979
|
|
|
980 e->sp--;
|
|
|
981 val = e->sp;
|
|
|
982 res = e->sp - 1;
|
|
|
983
|
|
|
984 e->ip += sizeof(uintptr_t);
|
|
|
985
|
|
430
|
986 if (val->len == res->len
|
|
|
987 && ngx_strncmp(val->data, res->data, res->len) == 0)
|
|
126
|
988 {
|
|
|
989 *res = ngx_http_variable_true_value;
|
|
|
990 return;
|
|
|
991 }
|
|
|
992
|
|
|
993 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0,
|
|
|
994 "http script equal: no");
|
|
|
995
|
|
|
996 *res = ngx_http_variable_null_value;
|
|
|
997 }
|
|
|
998
|
|
|
999
|
|
|
1000 void
|
|
|
1001 ngx_http_script_not_equal_code(ngx_http_script_engine_t *e)
|
|
|
1002 {
|
|
|
1003 ngx_http_variable_value_t *val, *res;
|
|
|
1004
|
|
|
1005 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0,
|
|
|
1006 "http script not equal");
|
|
|
1007
|
|
|
1008 e->sp--;
|
|
|
1009 val = e->sp;
|
|
|
1010 res = e->sp - 1;
|
|
|
1011
|
|
|
1012 e->ip += sizeof(uintptr_t);
|
|
|
1013
|
|
430
|
1014 if (val->len == res->len
|
|
|
1015 && ngx_strncmp(val->data, res->data, res->len) == 0)
|
|
126
|
1016 {
|
|
|
1017 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0,
|
|
|
1018 "http script not equal: no");
|
|
|
1019
|
|
|
1020 *res = ngx_http_variable_null_value;
|
|
|
1021 return;
|
|
|
1022 }
|
|
|
1023
|
|
|
1024 *res = ngx_http_variable_true_value;
|
|
|
1025 }
|
|
|
1026
|
|
|
1027
|
|
|
1028 void
|
|
180
|
1029 ngx_http_script_file_code(ngx_http_script_engine_t *e)
|
|
|
1030 {
|
|
332
|
1031 ngx_str_t path;
|
|
|
1032 ngx_http_request_t *r;
|
|
|
1033 ngx_open_file_info_t of;
|
|
|
1034 ngx_http_core_loc_conf_t *clcf;
|
|
180
|
1035 ngx_http_variable_value_t *value;
|
|
|
1036 ngx_http_script_file_code_t *code;
|
|
|
1037
|
|
|
1038 value = e->sp - 1;
|
|
|
1039
|
|
|
1040 code = (ngx_http_script_file_code_t *) e->ip;
|
|
|
1041 e->ip += sizeof(ngx_http_script_file_code_t);
|
|
|
1042
|
|
332
|
1043 path.len = value->len - 1;
|
|
|
1044 path.data = value->data;
|
|
|
1045
|
|
|
1046 r = e->request;
|
|
|
1047
|
|
|
1048 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1049 "http script file op %p \"%V\"", code->op, &path);
|
|
|
1050
|
|
|
1051 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
180
|
1052
|
|
384
|
1053 ngx_memzero(&of, sizeof(ngx_open_file_info_t));
|
|
|
1054
|
|
390
|
1055 of.directio = clcf->directio;
|
|
358
|
1056 of.valid = clcf->open_file_cache_valid;
|
|
|
1057 of.min_uses = clcf->open_file_cache_min_uses;
|
|
332
|
1058 of.errors = clcf->open_file_cache_errors;
|
|
|
1059 of.events = clcf->open_file_cache_events;
|
|
180
|
1060
|
|
332
|
1061 if (ngx_open_cached_file(clcf->open_file_cache, &path, &of, r->pool)
|
|
362
|
1062 != NGX_OK)
|
|
332
|
1063 {
|
|
|
1064 if (of.err != NGX_ENOENT && of.err != NGX_ENOTDIR) {
|
|
|
1065 ngx_log_error(NGX_LOG_CRIT, r->connection->log, of.err,
|
|
180
|
1066 ngx_file_info_n " \"%s\" failed", value->data);
|
|
|
1067 }
|
|
|
1068
|
|
|
1069 switch (code->op) {
|
|
220
|
1070
|
|
180
|
1071 case ngx_http_script_file_plain:
|
|
218
|
1072 case ngx_http_script_file_dir:
|
|
|
1073 case ngx_http_script_file_exists:
|
|
|
1074 case ngx_http_script_file_exec:
|
|
392
|
1075 goto false_value;
|
|
220
|
1076
|
|
180
|
1077 case ngx_http_script_file_not_plain:
|
|
218
|
1078 case ngx_http_script_file_not_dir:
|
|
220
|
1079 case ngx_http_script_file_not_exists:
|
|
218
|
1080 case ngx_http_script_file_not_exec:
|
|
392
|
1081 goto true_value;
|
|
180
|
1082 }
|
|
|
1083
|
|
392
|
1084 goto false_value;
|
|
180
|
1085 }
|
|
|
1086
|
|
|
1087 switch (code->op) {
|
|
|
1088 case ngx_http_script_file_plain:
|
|
332
|
1089 if (of.is_file) {
|
|
392
|
1090 goto true_value;
|
|
180
|
1091 }
|
|
392
|
1092 goto false_value;
|
|
180
|
1093
|
|
|
1094 case ngx_http_script_file_not_plain:
|
|
332
|
1095 if (of.is_file) {
|
|
392
|
1096 goto false_value;
|
|
180
|
1097 }
|
|
392
|
1098 goto true_value;
|
|
218
|
1099
|
|
|
1100 case ngx_http_script_file_dir:
|
|
332
|
1101 if (of.is_dir) {
|
|
392
|
1102 goto true_value;
|
|
218
|
1103 }
|
|
392
|
1104 goto false_value;
|
|
218
|
1105
|
|
|
1106 case ngx_http_script_file_not_dir:
|
|
332
|
1107 if (of.is_dir) {
|
|
392
|
1108 goto false_value;
|
|
218
|
1109 }
|
|
392
|
1110 goto true_value;
|
|
218
|
1111
|
|
|
1112 case ngx_http_script_file_exists:
|
|
332
|
1113 if (of.is_file || of.is_dir || of.is_link) {
|
|
392
|
1114 goto true_value;
|
|
218
|
1115 }
|
|
392
|
1116 goto false_value;
|
|
218
|
1117
|
|
|
1118 case ngx_http_script_file_not_exists:
|
|
332
|
1119 if (of.is_file || of.is_dir || of.is_link) {
|
|
392
|
1120 goto false_value;
|
|
218
|
1121 }
|
|
392
|
1122 goto true_value;
|
|
218
|
1123
|
|
|
1124 case ngx_http_script_file_exec:
|
|
332
|
1125 if (of.is_exec) {
|
|
392
|
1126 goto true_value;
|
|
218
|
1127 }
|
|
392
|
1128 goto false_value;
|
|
218
|
1129
|
|
|
1130 case ngx_http_script_file_not_exec:
|
|
332
|
1131 if (of.is_exec) {
|
|
392
|
1132 goto false_value;
|
|
218
|
1133 }
|
|
392
|
1134 goto true_value;
|
|
180
|
1135 }
|
|
|
1136
|
|
392
|
1137 false_value:
|
|
180
|
1138
|
|
332
|
1139 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
180
|
1140 "http script file op false");
|
|
|
1141
|
|
|
1142 *value = ngx_http_variable_null_value;
|
|
|
1143 return;
|
|
|
1144
|
|
392
|
1145 true_value:
|
|
180
|
1146
|
|
|
1147 *value = ngx_http_variable_true_value;
|
|
|
1148 return;
|
|
|
1149 }
|
|
|
1150
|
|
|
1151
|
|
|
1152 void
|
|
64
|
1153 ngx_http_script_complex_value_code(ngx_http_script_engine_t *e)
|
|
|
1154 {
|
|
|
1155 size_t len;
|
|
|
1156 ngx_http_script_engine_t le;
|
|
|
1157 ngx_http_script_len_code_pt lcode;
|
|
|
1158 ngx_http_script_complex_value_code_t *code;
|
|
|
1159
|
|
|
1160 code = (ngx_http_script_complex_value_code_t *) e->ip;
|
|
|
1161
|
|
|
1162 e->ip += sizeof(ngx_http_script_complex_value_code_t);
|
|
|
1163
|
|
|
1164 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0,
|
|
|
1165 "http script complex value");
|
|
|
1166
|
|
|
1167 ngx_memzero(&le, sizeof(ngx_http_script_engine_t));
|
|
|
1168
|
|
|
1169 le.ip = code->lengths->elts;
|
|
204
|
1170 le.line = e->line;
|
|
64
|
1171 le.request = e->request;
|
|
204
|
1172 le.quote = e->quote;
|
|
64
|
1173
|
|
|
1174 for (len = 0; *(uintptr_t *) le.ip; len += lcode(&le)) {
|
|
|
1175 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
1176 }
|
|
|
1177
|
|
|
1178 e->buf.len = len;
|
|
382
|
1179 e->buf.data = ngx_pnalloc(e->request->pool, len);
|
|
64
|
1180 if (e->buf.data == NULL) {
|
|
|
1181 e->ip = ngx_http_script_exit;
|
|
|
1182 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
1183 return;
|
|
|
1184 }
|
|
|
1185
|
|
|
1186 e->pos = e->buf.data;
|
|
|
1187
|
|
126
|
1188 e->sp->len = e->buf.len;
|
|
122
|
1189 e->sp->data = e->buf.data;
|
|
64
|
1190 e->sp++;
|
|
|
1191 }
|
|
|
1192
|
|
|
1193
|
|
|
1194 void
|
|
58
|
1195 ngx_http_script_value_code(ngx_http_script_engine_t *e)
|
|
|
1196 {
|
|
|
1197 ngx_http_script_value_code_t *code;
|
|
|
1198
|
|
|
1199 code = (ngx_http_script_value_code_t *) e->ip;
|
|
|
1200
|
|
|
1201 e->ip += sizeof(ngx_http_script_value_code_t);
|
|
|
1202
|
|
122
|
1203 e->sp->len = code->text_len;
|
|
|
1204 e->sp->data = (u_char *) code->text_data;
|
|
126
|
1205
|
|
|
1206 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0,
|
|
340
|
1207 "http script value: \"%v\"", e->sp);
|
|
126
|
1208
|
|
58
|
1209 e->sp++;
|
|
|
1210 }
|
|
|
1211
|
|
|
1212
|
|
|
1213 void
|
|
|
1214 ngx_http_script_set_var_code(ngx_http_script_engine_t *e)
|
|
|
1215 {
|
|
|
1216 ngx_http_request_t *r;
|
|
|
1217 ngx_http_script_var_code_t *code;
|
|
|
1218
|
|
|
1219 code = (ngx_http_script_var_code_t *) e->ip;
|
|
|
1220
|
|
|
1221 e->ip += sizeof(ngx_http_script_var_code_t);
|
|
|
1222
|
|
|
1223 r = e->request;
|
|
|
1224
|
|
|
1225 e->sp--;
|
|
|
1226
|
|
122
|
1227 r->variables[code->index].len = e->sp->len;
|
|
|
1228 r->variables[code->index].valid = 1;
|
|
340
|
1229 r->variables[code->index].no_cacheable = 0;
|
|
122
|
1230 r->variables[code->index].not_found = 0;
|
|
|
1231 r->variables[code->index].data = e->sp->data;
|
|
430
|
1232
|
|
|
1233 #if (NGX_DEBUG)
|
|
|
1234 {
|
|
|
1235 ngx_http_variable_t *v;
|
|
|
1236 ngx_http_core_main_conf_t *cmcf;
|
|
|
1237
|
|
|
1238 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module);
|
|
|
1239
|
|
|
1240 v = cmcf->variables.elts;
|
|
|
1241
|
|
|
1242 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0,
|
|
|
1243 "http script set $%V", &v[code->index].name);
|
|
|
1244 }
|
|
|
1245 #endif
|
|
58
|
1246 }
|
|
|
1247
|
|
|
1248
|
|
|
1249 void
|
|
186
|
1250 ngx_http_script_var_set_handler_code(ngx_http_script_engine_t *e)
|
|
|
1251 {
|
|
|
1252 ngx_http_script_var_handler_code_t *code;
|
|
|
1253
|
|
|
1254 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0,
|
|
|
1255 "http script set var handler");
|
|
|
1256
|
|
|
1257 code = (ngx_http_script_var_handler_code_t *) e->ip;
|
|
|
1258
|
|
|
1259 e->ip += sizeof(ngx_http_script_var_handler_code_t);
|
|
|
1260
|
|
|
1261 e->sp--;
|
|
|
1262
|
|
|
1263 code->handler(e->request, e->sp, code->data);
|
|
|
1264 }
|
|
|
1265
|
|
|
1266
|
|
|
1267 void
|
|
58
|
1268 ngx_http_script_var_code(ngx_http_script_engine_t *e)
|
|
|
1269 {
|
|
|
1270 ngx_http_variable_value_t *value;
|
|
|
1271 ngx_http_script_var_code_t *code;
|
|
|
1272
|
|
|
1273 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0,
|
|
|
1274 "http script var");
|
|
|
1275
|
|
|
1276 code = (ngx_http_script_var_code_t *) e->ip;
|
|
|
1277
|
|
|
1278 e->ip += sizeof(ngx_http_script_var_code_t);
|
|
|
1279
|
|
122
|
1280 value = ngx_http_get_flushed_variable(e->request, code->index);
|
|
58
|
1281
|
|
122
|
1282 if (value && !value->not_found) {
|
|
|
1283 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0,
|
|
328
|
1284 "http script var: \"%v\"", value);
|
|
122
|
1285
|
|
102
|
1286 *e->sp = *value;
|
|
58
|
1287 e->sp++;
|
|
|
1288
|
|
|
1289 return;
|
|
|
1290 }
|
|
|
1291
|
|
126
|
1292 *e->sp = ngx_http_variable_null_value;
|
|
58
|
1293 e->sp++;
|
|
|
1294 }
|
|
|
1295
|
|
|
1296
|
|
|
1297 void
|
|
|
1298 ngx_http_script_nop_code(ngx_http_script_engine_t *e)
|
|
|
1299 {
|
|
|
1300 e->ip += sizeof(uintptr_t);
|
|
|
1301 }
|
