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