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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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660
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4 * Copyright (C) Nginx, Inc.
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56
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5 */
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6
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7
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8 #include <ngx_config.h>
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9 #include <ngx_core.h>
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10 #include <ngx_http.h>
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11
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12
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464
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13 static ngx_int_t ngx_http_script_init_arrays(ngx_http_script_compile_t *sc);
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14 static ngx_int_t ngx_http_script_done(ngx_http_script_compile_t *sc);
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15 static ngx_int_t ngx_http_script_add_copy_code(ngx_http_script_compile_t *sc,
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16 ngx_str_t *value, ngx_uint_t last);
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17 static ngx_int_t ngx_http_script_add_var_code(ngx_http_script_compile_t *sc,
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18 ngx_str_t *name);
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19 static ngx_int_t ngx_http_script_add_args_code(ngx_http_script_compile_t *sc);
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20 #if (NGX_PCRE)
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21 static ngx_int_t ngx_http_script_add_capture_code(ngx_http_script_compile_t *sc,
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22 ngx_uint_t n);
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23 #endif
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24 static ngx_int_t
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25 ngx_http_script_add_full_name_code(ngx_http_script_compile_t *sc);
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26 static size_t ngx_http_script_full_name_len_code(ngx_http_script_engine_t *e);
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27 static void ngx_http_script_full_name_code(ngx_http_script_engine_t *e);
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28
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29
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58
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30 #define ngx_http_script_exit (u_char *) &ngx_http_script_exit_code
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31
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32 static uintptr_t ngx_http_script_exit_code = (uintptr_t) NULL;
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33
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34
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464
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35 void
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468
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36 ngx_http_script_flush_complex_value(ngx_http_request_t *r,
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464
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37 ngx_http_complex_value_t *val)
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38 {
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39 ngx_uint_t *index;
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40
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41 index = val->flushes;
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42
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43 if (index) {
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44 while (*index != (ngx_uint_t) -1) {
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45
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46 if (r->variables[*index].no_cacheable) {
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47 r->variables[*index].valid = 0;
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48 r->variables[*index].not_found = 0;
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49 }
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50
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51 index++;
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52 }
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53 }
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54 }
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55
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56
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57 ngx_int_t
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58 ngx_http_complex_value(ngx_http_request_t *r, ngx_http_complex_value_t *val,
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59 ngx_str_t *value)
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60 {
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61 size_t len;
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62 ngx_http_script_code_pt code;
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63 ngx_http_script_len_code_pt lcode;
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64 ngx_http_script_engine_t e;
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65
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66 if (val->lengths == NULL) {
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67 *value = val->value;
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68 return NGX_OK;
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69 }
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70
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468
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71 ngx_http_script_flush_complex_value(r, val);
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464
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72
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73 ngx_memzero(&e, sizeof(ngx_http_script_engine_t));
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74
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75 e.ip = val->lengths;
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76 e.request = r;
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77 e.flushed = 1;
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78
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79 len = 0;
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80
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81 while (*(uintptr_t *) e.ip) {
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82 lcode = *(ngx_http_script_len_code_pt *) e.ip;
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83 len += lcode(&e);
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84 }
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85
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86 value->len = len;
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87 value->data = ngx_pnalloc(r->pool, len);
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88 if (value->data == NULL) {
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89 return NGX_ERROR;
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90 }
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91
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92 e.ip = val->values;
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93 e.pos = value->data;
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94 e.buf = *value;
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95
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96 while (*(uintptr_t *) e.ip) {
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97 code = *(ngx_http_script_code_pt *) e.ip;
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98 code((ngx_http_script_engine_t *) &e);
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99 }
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100
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101 *value = e.buf;
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102
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103 return NGX_OK;
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104 }
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105
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106
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107 ngx_int_t
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108 ngx_http_compile_complex_value(ngx_http_compile_complex_value_t *ccv)
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109 {
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110 ngx_str_t *v;
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111 ngx_uint_t i, n, nv, nc;
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112 ngx_array_t flushes, lengths, values, *pf, *pl, *pv;
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113 ngx_http_script_compile_t sc;
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114
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115 v = ccv->value;
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116
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117 nv = 0;
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118 nc = 0;
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119
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120 for (i = 0; i < v->len; i++) {
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121 if (v->data[i] == '$') {
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122 if (v->data[i + 1] >= '1' && v->data[i + 1] <= '9') {
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123 nc++;
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124
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125 } else {
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126 nv++;
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127 }
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128 }
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129 }
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130
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694
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131 if ((v->len == 0 || v->data[0] != '$')
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132 && (ccv->conf_prefix || ccv->root_prefix))
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133 {
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464
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134 if (ngx_conf_full_name(ccv->cf->cycle, v, ccv->conf_prefix) != NGX_OK) {
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135 return NGX_ERROR;
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136 }
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137
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138 ccv->conf_prefix = 0;
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139 ccv->root_prefix = 0;
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140 }
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141
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468
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142 ccv->complex_value->value = *v;
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143 ccv->complex_value->flushes = NULL;
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144 ccv->complex_value->lengths = NULL;
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145 ccv->complex_value->values = NULL;
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146
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464
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147 if (nv == 0 && nc == 0) {
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148 return NGX_OK;
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149 }
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150
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151 n = nv + 1;
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152
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153 if (ngx_array_init(&flushes, ccv->cf->pool, n, sizeof(ngx_uint_t))
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154 != NGX_OK)
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155 {
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156 return NGX_ERROR;
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157 }
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158
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159 n = nv * (2 * sizeof(ngx_http_script_copy_code_t)
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160 + sizeof(ngx_http_script_var_code_t))
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161 + sizeof(uintptr_t);
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162
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163 if (ngx_array_init(&lengths, ccv->cf->pool, n, 1) != NGX_OK) {
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164 return NGX_ERROR;
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165 }
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166
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167 n = (nv * (2 * sizeof(ngx_http_script_copy_code_t)
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168 + sizeof(ngx_http_script_var_code_t))
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169 + sizeof(uintptr_t)
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170 + v->len
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171 + sizeof(uintptr_t) - 1)
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172 & ~(sizeof(uintptr_t) - 1);
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173
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174 if (ngx_array_init(&values, ccv->cf->pool, n, 1) != NGX_OK) {
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175 return NGX_ERROR;
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176 }
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177
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178 pf = &flushes;
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179 pl = &lengths;
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180 pv = &values;
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181
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182 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
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183
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184 sc.cf = ccv->cf;
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185 sc.source = v;
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186 sc.flushes = &pf;
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187 sc.lengths = &pl;
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188 sc.values = &pv;
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189 sc.complete_lengths = 1;
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190 sc.complete_values = 1;
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191 sc.zero = ccv->zero;
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192 sc.conf_prefix = ccv->conf_prefix;
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193 sc.root_prefix = ccv->root_prefix;
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194
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195 if (ngx_http_script_compile(&sc) != NGX_OK) {
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196 return NGX_ERROR;
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197 }
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198
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199 if (flushes.nelts) {
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200 ccv->complex_value->flushes = flushes.elts;
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201 ccv->complex_value->flushes[flushes.nelts] = (ngx_uint_t) -1;
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202 }
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203
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204 ccv->complex_value->lengths = lengths.elts;
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205 ccv->complex_value->values = values.elts;
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206
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207 return NGX_OK;
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208 }
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209
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210
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596
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211 char *
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598
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212 ngx_http_set_complex_value_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
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596
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213 {
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214 char *p = conf;
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215
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216 ngx_str_t *value;
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217 ngx_http_complex_value_t **cv;
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218 ngx_http_compile_complex_value_t ccv;
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219
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220 cv = (ngx_http_complex_value_t **) (p + cmd->offset);
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221
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222 if (*cv != NULL) {
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223 return "duplicate";
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224 }
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225
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226 *cv = ngx_palloc(cf->pool, sizeof(ngx_http_complex_value_t));
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227 if (*cv == NULL) {
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228 return NGX_CONF_ERROR;
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229 }
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230
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231 value = cf->args->elts;
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232
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233 ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t));
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234
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235 ccv.cf = cf;
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236 ccv.value = &value[1];
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237 ccv.complex_value = *cv;
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238
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239 if (ngx_http_compile_complex_value(&ccv) != NGX_OK) {
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240 return NGX_CONF_ERROR;
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241 }
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242
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243 return NGX_CONF_OK;
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244 }
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245
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246
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588
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247 ngx_int_t
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248 ngx_http_test_predicates(ngx_http_request_t *r, ngx_array_t *predicates)
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249 {
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250 ngx_str_t val;
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251 ngx_uint_t i;
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252 ngx_http_complex_value_t *cv;
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253
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254 if (predicates == NULL) {
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255 return NGX_OK;
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256 }
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257
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258 cv = predicates->elts;
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259
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260 for (i = 0; i < predicates->nelts; i++) {
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261 if (ngx_http_complex_value(r, &cv[i], &val) != NGX_OK) {
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262 return NGX_ERROR;
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263 }
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264
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622
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265 if (val.len && (val.len != 1 || val.data[0] != '0')) {
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588
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266 return NGX_DECLINED;
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267 }
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268 }
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269
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270 return NGX_OK;
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271 }
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272
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273
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274 char *
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275 ngx_http_set_predicate_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
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276 {
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277 char *p = conf;
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278
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279 ngx_str_t *value;
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280 ngx_uint_t i;
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281 ngx_array_t **a;
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282 ngx_http_complex_value_t *cv;
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283 ngx_http_compile_complex_value_t ccv;
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284
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285 a = (ngx_array_t **) (p + cmd->offset);
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286
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287 if (*a == NGX_CONF_UNSET_PTR) {
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288 *a = ngx_array_create(cf->pool, 1, sizeof(ngx_http_complex_value_t));
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289 if (*a == NULL) {
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290 return NGX_CONF_ERROR;
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291 }
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292 }
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293
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294 value = cf->args->elts;
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295
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296 for (i = 1; i < cf->args->nelts; i++) {
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297 cv = ngx_array_push(*a);
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298 if (cv == NULL) {
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299 return NGX_CONF_ERROR;
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300 }
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301
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302 ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t));
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303
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304 ccv.cf = cf;
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305 ccv.value = &value[i];
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306 ccv.complex_value = cv;
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307
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308 if (ngx_http_compile_complex_value(&ccv) != NGX_OK) {
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309 return NGX_CONF_ERROR;
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310 }
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311 }
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312
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313 return NGX_CONF_OK;
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314 }
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315
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316
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58
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317 ngx_uint_t
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318 ngx_http_script_variables_count(ngx_str_t *value)
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56
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319 {
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58
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320 ngx_uint_t i, n;
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56
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321
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58
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322 for (n = 0, i = 0; i < value->len; i++) {
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323 if (value->data[i] == '$') {
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324 n++;
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325 }
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56
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326 }
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327
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58
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328 return n;
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329 }
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330
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331
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332 ngx_int_t
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333 ngx_http_script_compile(ngx_http_script_compile_t *sc)
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334 {
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464
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335 u_char ch;
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336 ngx_str_t name;
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337 ngx_uint_t i, bracket;
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122
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338
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464
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339 if (ngx_http_script_init_arrays(sc) != NGX_OK) {
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340 return NGX_ERROR;
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58
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341 }
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342
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343 for (i = 0; i < sc->source->len; /* void */ ) {
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344
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345 name.len = 0;
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346
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347 if (sc->source->data[i] == '$') {
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348
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349 if (++i == sc->source->len) {
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350 goto invalid_variable;
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351 }
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352
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456
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353 #if (NGX_PCRE)
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464
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354 {
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355 ngx_uint_t n;
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456
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356
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58
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357 if (sc->source->data[i] >= '1' && sc->source->data[i] <= '9') {
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358
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190
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359 n = sc->source->data[i] - '0';
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360
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361 if (sc->captures_mask & (1 << n)) {
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362 sc->dup_capture = 1;
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363 }
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364
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365 sc->captures_mask |= 1 << n;
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366
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464
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367 if (ngx_http_script_add_capture_code(sc, n) != NGX_OK) {
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58
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368 return NGX_ERROR;
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369 }
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370
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371 i++;
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372
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373 continue;
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374 }
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464
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375 }
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456
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376 #endif
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377
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58
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378 if (sc->source->data[i] == '{') {
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379 bracket = 1;
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380
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381 if (++i == sc->source->len) {
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382 goto invalid_variable;
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383 }
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384
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385 name.data = &sc->source->data[i];
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386
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387 } else {
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388 bracket = 0;
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389 name.data = &sc->source->data[i];
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390 }
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391
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392 for ( /* void */ ; i < sc->source->len; i++, name.len++) {
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393 ch = sc->source->data[i];
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56
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394
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58
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395 if (ch == '}' && bracket) {
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396 i++;
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397 bracket = 0;
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398 break;
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399 }
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400
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401 if ((ch >= 'A' && ch <= 'Z')
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402 || (ch >= 'a' && ch <= 'z')
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403 || (ch >= '0' && ch <= '9')
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404 || ch == '_')
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405 {
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406 continue;
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407 }
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408
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409 break;
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410 }
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411
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412 if (bracket) {
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413 ngx_conf_log_error(NGX_LOG_EMERG, sc->cf, 0,
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414 "the closing bracket in \"%V\" "
|
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415 "variable is missing", &name);
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56
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416 return NGX_ERROR;
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|
|
417 }
|
|
|
418
|
|
58
|
419 if (name.len == 0) {
|
|
|
420 goto invalid_variable;
|
|
|
421 }
|
|
56
|
422
|
|
58
|
423 sc->variables++;
|
|
56
|
424
|
|
464
|
425 if (ngx_http_script_add_var_code(sc, &name) != NGX_OK) {
|
|
56
|
426 return NGX_ERROR;
|
|
|
427 }
|
|
|
428
|
|
58
|
429 continue;
|
|
|
430 }
|
|
56
|
431
|
|
58
|
432 if (sc->source->data[i] == '?' && sc->compile_args) {
|
|
|
433 sc->args = 1;
|
|
|
434 sc->compile_args = 0;
|
|
56
|
435
|
|
464
|
436 if (ngx_http_script_add_args_code(sc) != NGX_OK) {
|
|
366
|
437 return NGX_ERROR;
|
|
|
438 }
|
|
|
439
|
|
58
|
440 i++;
|
|
|
441
|
|
56
|
442 continue;
|
|
|
443 }
|
|
|
444
|
|
58
|
445 name.data = &sc->source->data[i];
|
|
|
446
|
|
444
|
447 while (i < sc->source->len) {
|
|
|
448
|
|
|
449 if (sc->source->data[i] == '$') {
|
|
|
450 break;
|
|
|
451 }
|
|
|
452
|
|
|
453 if (sc->source->data[i] == '?') {
|
|
|
454
|
|
|
455 sc->args = 1;
|
|
|
456
|
|
|
457 if (sc->compile_args) {
|
|
|
458 break;
|
|
|
459 }
|
|
|
460 }
|
|
|
461
|
|
58
|
462 i++;
|
|
|
463 name.len++;
|
|
|
464 }
|
|
|
465
|
|
|
466 sc->size += name.len;
|
|
|
467
|
|
464
|
468 if (ngx_http_script_add_copy_code(sc, &name, (i == sc->source->len))
|
|
|
469 != NGX_OK)
|
|
|
470 {
|
|
58
|
471 return NGX_ERROR;
|
|
|
472 }
|
|
56
|
473 }
|
|
|
474
|
|
464
|
475 return ngx_http_script_done(sc);
|
|
58
|
476
|
|
|
477 invalid_variable:
|
|
|
478
|
|
|
479 ngx_conf_log_error(NGX_LOG_EMERG, sc->cf, 0, "invalid variable name");
|
|
|
480
|
|
|
481 return NGX_ERROR;
|
|
56
|
482 }
|
|
|
483
|
|
|
484
|
|
172
|
485 u_char *
|
|
|
486 ngx_http_script_run(ngx_http_request_t *r, ngx_str_t *value,
|
|
|
487 void *code_lengths, size_t len, void *code_values)
|
|
|
488 {
|
|
294
|
489 ngx_uint_t i;
|
|
|
490 ngx_http_script_code_pt code;
|
|
|
491 ngx_http_script_len_code_pt lcode;
|
|
|
492 ngx_http_script_engine_t e;
|
|
|
493 ngx_http_core_main_conf_t *cmcf;
|
|
|
494
|
|
|
495 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module);
|
|
|
496
|
|
|
497 for (i = 0; i < cmcf->variables.nelts; i++) {
|
|
340
|
498 if (r->variables[i].no_cacheable) {
|
|
294
|
499 r->variables[i].valid = 0;
|
|
|
500 r->variables[i].not_found = 0;
|
|
|
501 }
|
|
|
502 }
|
|
172
|
503
|
|
|
504 ngx_memzero(&e, sizeof(ngx_http_script_engine_t));
|
|
|
505
|
|
|
506 e.ip = code_lengths;
|
|
|
507 e.request = r;
|
|
|
508 e.flushed = 1;
|
|
|
509
|
|
|
510 while (*(uintptr_t *) e.ip) {
|
|
|
511 lcode = *(ngx_http_script_len_code_pt *) e.ip;
|
|
|
512 len += lcode(&e);
|
|
|
513 }
|
|
|
514
|
|
|
515
|
|
|
516 value->len = len;
|
|
382
|
517 value->data = ngx_pnalloc(r->pool, len);
|
|
172
|
518 if (value->data == NULL) {
|
|
|
519 return NULL;
|
|
|
520 }
|
|
|
521
|
|
|
522 e.ip = code_values;
|
|
|
523 e.pos = value->data;
|
|
|
524
|
|
|
525 while (*(uintptr_t *) e.ip) {
|
|
|
526 code = *(ngx_http_script_code_pt *) e.ip;
|
|
|
527 code((ngx_http_script_engine_t *) &e);
|
|
|
528 }
|
|
|
529
|
|
|
530 return e.pos;
|
|
|
531 }
|
|
|
532
|
|
|
533
|
|
122
|
534 void
|
|
340
|
535 ngx_http_script_flush_no_cacheable_variables(ngx_http_request_t *r,
|
|
122
|
536 ngx_array_t *indices)
|
|
|
537 {
|
|
|
538 ngx_uint_t n, *index;
|
|
|
539
|
|
|
540 if (indices) {
|
|
|
541 index = indices->elts;
|
|
|
542 for (n = 0; n < indices->nelts; n++) {
|
|
340
|
543 if (r->variables[index[n]].no_cacheable) {
|
|
122
|
544 r->variables[index[n]].valid = 0;
|
|
|
545 r->variables[index[n]].not_found = 0;
|
|
|
546 }
|
|
|
547 }
|
|
|
548 }
|
|
|
549 }
|
|
|
550
|
|
|
551
|
|
464
|
552 static ngx_int_t
|
|
|
553 ngx_http_script_init_arrays(ngx_http_script_compile_t *sc)
|
|
|
554 {
|
|
|
555 ngx_uint_t n;
|
|
|
556
|
|
|
557 if (sc->flushes && *sc->flushes == NULL) {
|
|
|
558 n = sc->variables ? sc->variables : 1;
|
|
|
559 *sc->flushes = ngx_array_create(sc->cf->pool, n, sizeof(ngx_uint_t));
|
|
|
560 if (*sc->flushes == NULL) {
|
|
|
561 return NGX_ERROR;
|
|
|
562 }
|
|
|
563 }
|
|
|
564
|
|
|
565 if (*sc->lengths == NULL) {
|
|
|
566 n = sc->variables * (2 * sizeof(ngx_http_script_copy_code_t)
|
|
|
567 + sizeof(ngx_http_script_var_code_t))
|
|
|
568 + sizeof(uintptr_t);
|
|
|
569
|
|
|
570 *sc->lengths = ngx_array_create(sc->cf->pool, n, 1);
|
|
|
571 if (*sc->lengths == NULL) {
|
|
|
572 return NGX_ERROR;
|
|
|
573 }
|
|
|
574 }
|
|
|
575
|
|
|
576 if (*sc->values == NULL) {
|
|
|
577 n = (sc->variables * (2 * sizeof(ngx_http_script_copy_code_t)
|
|
|
578 + sizeof(ngx_http_script_var_code_t))
|
|
|
579 + sizeof(uintptr_t)
|
|
|
580 + sc->source->len
|
|
|
581 + sizeof(uintptr_t) - 1)
|
|
|
582 & ~(sizeof(uintptr_t) - 1);
|
|
|
583
|
|
|
584 *sc->values = ngx_array_create(sc->cf->pool, n, 1);
|
|
|
585 if (*sc->values == NULL) {
|
|
|
586 return NGX_ERROR;
|
|
|
587 }
|
|
|
588 }
|
|
|
589
|
|
|
590 sc->variables = 0;
|
|
|
591
|
|
|
592 return NGX_OK;
|
|
|
593 }
|
|
|
594
|
|
|
595
|
|
|
596 static ngx_int_t
|
|
|
597 ngx_http_script_done(ngx_http_script_compile_t *sc)
|
|
|
598 {
|
|
|
599 ngx_str_t zero;
|
|
|
600 uintptr_t *code;
|
|
|
601
|
|
|
602 if (sc->zero) {
|
|
|
603
|
|
|
604 zero.len = 1;
|
|
|
605 zero.data = (u_char *) "\0";
|
|
|
606
|
|
|
607 if (ngx_http_script_add_copy_code(sc, &zero, 0) != NGX_OK) {
|
|
|
608 return NGX_ERROR;
|
|
|
609 }
|
|
|
610 }
|
|
|
611
|
|
|
612 if (sc->conf_prefix || sc->root_prefix) {
|
|
|
613 if (ngx_http_script_add_full_name_code(sc) != NGX_OK) {
|
|
|
614 return NGX_ERROR;
|
|
|
615 }
|
|
|
616 }
|
|
|
617
|
|
|
618 if (sc->complete_lengths) {
|
|
|
619 code = ngx_http_script_add_code(*sc->lengths, sizeof(uintptr_t), NULL);
|
|
|
620 if (code == NULL) {
|
|
|
621 return NGX_ERROR;
|
|
|
622 }
|
|
|
623
|
|
|
624 *code = (uintptr_t) NULL;
|
|
|
625 }
|
|
|
626
|
|
|
627 if (sc->complete_values) {
|
|
|
628 code = ngx_http_script_add_code(*sc->values, sizeof(uintptr_t),
|
|
|
629 &sc->main);
|
|
|
630 if (code == NULL) {
|
|
|
631 return NGX_ERROR;
|
|
|
632 }
|
|
|
633
|
|
|
634 *code = (uintptr_t) NULL;
|
|
|
635 }
|
|
|
636
|
|
|
637 return NGX_OK;
|
|
|
638 }
|
|
|
639
|
|
|
640
|
|
58
|
641 void *
|
|
56
|
642 ngx_http_script_start_code(ngx_pool_t *pool, ngx_array_t **codes, size_t size)
|
|
|
643 {
|
|
|
644 if (*codes == NULL) {
|
|
|
645 *codes = ngx_array_create(pool, 256, 1);
|
|
|
646 if (*codes == NULL) {
|
|
|
647 return NULL;
|
|
|
648 }
|
|
|
649 }
|
|
|
650
|
|
|
651 return ngx_array_push_n(*codes, size);
|
|
|
652 }
|
|
|
653
|
|
58
|
654
|
|
|
655 void *
|
|
|
656 ngx_http_script_add_code(ngx_array_t *codes, size_t size, void *code)
|
|
|
657 {
|
|
|
658 u_char *elts, **p;
|
|
|
659 void *new;
|
|
|
660
|
|
|
661 elts = codes->elts;
|
|
|
662
|
|
|
663 new = ngx_array_push_n(codes, size);
|
|
|
664 if (new == NULL) {
|
|
496
|
665 return NULL;
|
|
58
|
666 }
|
|
|
667
|
|
|
668 if (code) {
|
|
|
669 if (elts != codes->elts) {
|
|
|
670 p = code;
|
|
|
671 *p += (u_char *) codes->elts - elts;
|
|
|
672 }
|
|
|
673 }
|
|
|
674
|
|
|
675 return new;
|
|
|
676 }
|
|
56
|
677
|
|
|
678
|
|
464
|
679 static ngx_int_t
|
|
|
680 ngx_http_script_add_copy_code(ngx_http_script_compile_t *sc, ngx_str_t *value,
|
|
|
681 ngx_uint_t last)
|
|
|
682 {
|
|
|
683 u_char *p;
|
|
|
684 size_t size, len, zero;
|
|
|
685 ngx_http_script_copy_code_t *code;
|
|
|
686
|
|
|
687 zero = (sc->zero && last);
|
|
|
688 len = value->len + zero;
|
|
|
689
|
|
|
690 code = ngx_http_script_add_code(*sc->lengths,
|
|
|
691 sizeof(ngx_http_script_copy_code_t), NULL);
|
|
|
692 if (code == NULL) {
|
|
|
693 return NGX_ERROR;
|
|
|
694 }
|
|
|
695
|
|
|
696 code->code = (ngx_http_script_code_pt) ngx_http_script_copy_len_code;
|
|
|
697 code->len = len;
|
|
|
698
|
|
|
699 size = (sizeof(ngx_http_script_copy_code_t) + len + sizeof(uintptr_t) - 1)
|
|
|
700 & ~(sizeof(uintptr_t) - 1);
|
|
|
701
|
|
|
702 code = ngx_http_script_add_code(*sc->values, size, &sc->main);
|
|
|
703 if (code == NULL) {
|
|
|
704 return NGX_ERROR;
|
|
|
705 }
|
|
|
706
|
|
|
707 code->code = ngx_http_script_copy_code;
|
|
|
708 code->len = len;
|
|
|
709
|
|
|
710 p = ngx_cpymem((u_char *) code + sizeof(ngx_http_script_copy_code_t),
|
|
|
711 value->data, value->len);
|
|
|
712
|
|
|
713 if (zero) {
|
|
|
714 *p = '\0';
|
|
|
715 sc->zero = 0;
|
|
|
716 }
|
|
|
717
|
|
|
718 return NGX_OK;
|
|
|
719 }
|
|
|
720
|
|
|
721
|
|
56
|
722 size_t
|
|
58
|
723 ngx_http_script_copy_len_code(ngx_http_script_engine_t *e)
|
|
56
|
724 {
|
|
|
725 ngx_http_script_copy_code_t *code;
|
|
|
726
|
|
58
|
727 code = (ngx_http_script_copy_code_t *) e->ip;
|
|
56
|
728
|
|
58
|
729 e->ip += sizeof(ngx_http_script_copy_code_t);
|
|
56
|
730
|
|
|
731 return code->len;
|
|
|
732 }
|
|
|
733
|
|
|
734
|
|
|
735 void
|
|
58
|
736 ngx_http_script_copy_code(ngx_http_script_engine_t *e)
|
|
56
|
737 {
|
|
430
|
738 u_char *p;
|
|
56
|
739 ngx_http_script_copy_code_t *code;
|
|
|
740
|
|
58
|
741 code = (ngx_http_script_copy_code_t *) e->ip;
|
|
|
742
|
|
430
|
743 p = e->pos;
|
|
|
744
|
|
58
|
745 if (!e->skip) {
|
|
430
|
746 e->pos = ngx_copy(p, e->ip + sizeof(ngx_http_script_copy_code_t),
|
|
122
|
747 code->len);
|
|
58
|
748 }
|
|
56
|
749
|
|
58
|
750 e->ip += sizeof(ngx_http_script_copy_code_t)
|
|
|
751 + ((code->len + sizeof(uintptr_t) - 1) & ~(sizeof(uintptr_t) - 1));
|
|
56
|
752
|
|
430
|
753 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0,
|
|
|
754 "http script copy: \"%*s\"", e->pos - p, p);
|
|
56
|
755 }
|
|
|
756
|
|
|
757
|
|
464
|
758 static ngx_int_t
|
|
|
759 ngx_http_script_add_var_code(ngx_http_script_compile_t *sc, ngx_str_t *name)
|
|
|
760 {
|
|
|
761 ngx_int_t index, *p;
|
|
|
762 ngx_http_script_var_code_t *code;
|
|
|
763
|
|
|
764 index = ngx_http_get_variable_index(sc->cf, name);
|
|
|
765
|
|
|
766 if (index == NGX_ERROR) {
|
|
|
767 return NGX_ERROR;
|
|
|
768 }
|
|
|
769
|
|
|
770 if (sc->flushes) {
|
|
|
771 p = ngx_array_push(*sc->flushes);
|
|
|
772 if (p == NULL) {
|
|
|
773 return NGX_ERROR;
|
|
|
774 }
|
|
|
775
|
|
|
776 *p = index;
|
|
|
777 }
|
|
|
778
|
|
|
779 code = ngx_http_script_add_code(*sc->lengths,
|
|
|
780 sizeof(ngx_http_script_var_code_t), NULL);
|
|
|
781 if (code == NULL) {
|
|
|
782 return NGX_ERROR;
|
|
|
783 }
|
|
|
784
|
|
|
785 code->code = (ngx_http_script_code_pt) ngx_http_script_copy_var_len_code;
|
|
|
786 code->index = (uintptr_t) index;
|
|
|
787
|
|
|
788 code = ngx_http_script_add_code(*sc->values,
|
|
|
789 sizeof(ngx_http_script_var_code_t),
|
|
|
790 &sc->main);
|
|
|
791 if (code == NULL) {
|
|
|
792 return NGX_ERROR;
|
|
|
793 }
|
|
|
794
|
|
|
795 code->code = ngx_http_script_copy_var_code;
|
|
|
796 code->index = (uintptr_t) index;
|
|
|
797
|
|
|
798 return NGX_OK;
|
|
|
799 }
|
|
|
800
|
|
|
801
|
|
56
|
802 size_t
|
|
58
|
803 ngx_http_script_copy_var_len_code(ngx_http_script_engine_t *e)
|
|
56
|
804 {
|
|
|
805 ngx_http_variable_value_t *value;
|
|
|
806 ngx_http_script_var_code_t *code;
|
|
|
807
|
|
58
|
808 code = (ngx_http_script_var_code_t *) e->ip;
|
|
56
|
809
|
|
58
|
810 e->ip += sizeof(ngx_http_script_var_code_t);
|
|
56
|
811
|
|
122
|
812 if (e->flushed) {
|
|
|
813 value = ngx_http_get_indexed_variable(e->request, code->index);
|
|
56
|
814
|
|
122
|
815 } else {
|
|
|
816 value = ngx_http_get_flushed_variable(e->request, code->index);
|
|
|
817 }
|
|
|
818
|
|
|
819 if (value && !value->not_found) {
|
|
|
820 return value->len;
|
|
56
|
821 }
|
|
|
822
|
|
102
|
823 return 0;
|
|
56
|
824 }
|
|
|
825
|
|
|
826
|
|
|
827 void
|
|
58
|
828 ngx_http_script_copy_var_code(ngx_http_script_engine_t *e)
|
|
56
|
829 {
|
|
430
|
830 u_char *p;
|
|
56
|
831 ngx_http_variable_value_t *value;
|
|
|
832 ngx_http_script_var_code_t *code;
|
|
|
833
|
|
58
|
834 code = (ngx_http_script_var_code_t *) e->ip;
|
|
|
835
|
|
|
836 e->ip += sizeof(ngx_http_script_var_code_t);
|
|
|
837
|
|
|
838 if (!e->skip) {
|
|
122
|
839
|
|
|
840 if (e->flushed) {
|
|
|
841 value = ngx_http_get_indexed_variable(e->request, code->index);
|
|
58
|
842
|
|
122
|
843 } else {
|
|
|
844 value = ngx_http_get_flushed_variable(e->request, code->index);
|
|
|
845 }
|
|
|
846
|
|
|
847 if (value && !value->not_found) {
|
|
430
|
848 p = e->pos;
|
|
|
849 e->pos = ngx_copy(p, value->data, value->len);
|
|
58
|
850
|
|
430
|
851 ngx_log_debug2(NGX_LOG_DEBUG_HTTP,
|
|
256
|
852 e->request->connection->log, 0,
|
|
430
|
853 "http script var: \"%*s\"", e->pos - p, p);
|
|
58
|
854 }
|
|
|
855 }
|
|
|
856 }
|
|
|
857
|
|
|
858
|
|
464
|
859 static ngx_int_t
|
|
|
860 ngx_http_script_add_args_code(ngx_http_script_compile_t *sc)
|
|
|
861 {
|
|
|
862 uintptr_t *code;
|
|
|
863
|
|
|
864 code = ngx_http_script_add_code(*sc->lengths, sizeof(uintptr_t), NULL);
|
|
|
865 if (code == NULL) {
|
|
|
866 return NGX_ERROR;
|
|
|
867 }
|
|
|
868
|
|
|
869 *code = (uintptr_t) ngx_http_script_mark_args_code;
|
|
|
870
|
|
|
871 code = ngx_http_script_add_code(*sc->values, sizeof(uintptr_t), &sc->main);
|
|
|
872 if (code == NULL) {
|
|
|
873 return NGX_ERROR;
|
|
|
874 }
|
|
|
875
|
|
|
876 *code = (uintptr_t) ngx_http_script_start_args_code;
|
|
|
877
|
|
|
878 return NGX_OK;
|
|
|
879 }
|
|
|
880
|
|
|
881
|
|
58
|
882 size_t
|
|
366
|
883 ngx_http_script_mark_args_code(ngx_http_script_engine_t *e)
|
|
|
884 {
|
|
|
885 e->is_args = 1;
|
|
|
886 e->ip += sizeof(uintptr_t);
|
|
|
887
|
|
|
888 return 1;
|
|
|
889 }
|
|
|
890
|
|
|
891
|
|
58
|
892 void
|
|
|
893 ngx_http_script_start_args_code(ngx_http_script_engine_t *e)
|
|
|
894 {
|
|
|
895 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0,
|
|
|
896 "http script args");
|
|
126
|
897
|
|
404
|
898 e->is_args = 1;
|
|
58
|
899 e->args = e->pos;
|
|
|
900 e->ip += sizeof(uintptr_t);
|
|
|
901 }
|
|
|
902
|
|
|
903
|
|
66
|
904 #if (NGX_PCRE)
|
|
|
905
|
|
58
|
906 void
|
|
|
907 ngx_http_script_regex_start_code(ngx_http_script_engine_t *e)
|
|
|
908 {
|
|
|
909 size_t len;
|
|
|
910 ngx_int_t rc;
|
|
|
911 ngx_uint_t n;
|
|
|
912 ngx_http_request_t *r;
|
|
|
913 ngx_http_script_engine_t le;
|
|
|
914 ngx_http_script_len_code_pt lcode;
|
|
|
915 ngx_http_script_regex_code_t *code;
|
|
|
916
|
|
|
917 code = (ngx_http_script_regex_code_t *) e->ip;
|
|
|
918
|
|
|
919 r = e->request;
|
|
|
920
|
|
|
921 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
922 "http script regex: \"%V\"", &code->name);
|
|
|
923
|
|
|
924 if (code->uri) {
|
|
64
|
925 e->line = r->uri;
|
|
58
|
926 } else {
|
|
|
927 e->sp--;
|
|
122
|
928 e->line.len = e->sp->len;
|
|
|
929 e->line.data = e->sp->data;
|
|
58
|
930 }
|
|
56
|
931
|
|
546
|
932 rc = ngx_http_regex_exec(r, code->regex, &e->line);
|
|
456
|
933
|
|
546
|
934 if (rc == NGX_DECLINED) {
|
|
430
|
935 if (e->log || (r->connection->log->log_level & NGX_LOG_DEBUG_HTTP)) {
|
|
58
|
936 ngx_log_error(NGX_LOG_NOTICE, r->connection->log, 0,
|
|
64
|
937 "\"%V\" does not match \"%V\"",
|
|
|
938 &code->name, &e->line);
|
|
58
|
939 }
|
|
|
940
|
|
456
|
941 r->ncaptures = 0;
|
|
64
|
942
|
|
58
|
943 if (code->test) {
|
|
180
|
944 if (code->negative_test) {
|
|
|
945 e->sp->len = 1;
|
|
|
946 e->sp->data = (u_char *) "1";
|
|
|
947
|
|
|
948 } else {
|
|
|
949 e->sp->len = 0;
|
|
|
950 e->sp->data = (u_char *) "";
|
|
|
951 }
|
|
|
952
|
|
58
|
953 e->sp++;
|
|
|
954
|
|
|
955 e->ip += sizeof(ngx_http_script_regex_code_t);
|
|
|
956 return;
|
|
|
957 }
|
|
|
958
|
|
|
959 e->ip += code->next;
|
|
|
960 return;
|
|
|
961 }
|
|
|
962
|
|
546
|
963 if (rc == NGX_ERROR) {
|
|
58
|
964 e->ip = ngx_http_script_exit;
|
|
|
965 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
966 return;
|
|
|
967 }
|
|
|
968
|
|
430
|
969 if (e->log || (r->connection->log->log_level & NGX_LOG_DEBUG_HTTP)) {
|
|
58
|
970 ngx_log_error(NGX_LOG_NOTICE, r->connection->log, 0,
|
|
64
|
971 "\"%V\" matches \"%V\"", &code->name, &e->line);
|
|
58
|
972 }
|
|
|
973
|
|
|
974 if (code->test) {
|
|
180
|
975 if (code->negative_test) {
|
|
|
976 e->sp->len = 0;
|
|
|
977 e->sp->data = (u_char *) "";
|
|
|
978
|
|
|
979 } else {
|
|
|
980 e->sp->len = 1;
|
|
|
981 e->sp->data = (u_char *) "1";
|
|
|
982 }
|
|
|
983
|
|
58
|
984 e->sp++;
|
|
|
985
|
|
|
986 e->ip += sizeof(ngx_http_script_regex_code_t);
|
|
|
987 return;
|
|
|
988 }
|
|
|
989
|
|
|
990 if (code->status) {
|
|
|
991 e->status = code->status;
|
|
56
|
992
|
|
58
|
993 if (!code->redirect) {
|
|
|
994 e->ip = ngx_http_script_exit;
|
|
|
995 return;
|
|
|
996 }
|
|
|
997 }
|
|
|
998
|
|
|
999 if (code->uri) {
|
|
|
1000 r->internal = 1;
|
|
|
1001 r->valid_unparsed_uri = 0;
|
|
|
1002
|
|
|
1003 if (code->break_cycle) {
|
|
|
1004 r->valid_location = 0;
|
|
76
|
1005 r->uri_changed = 0;
|
|
58
|
1006
|
|
|
1007 } else {
|
|
|
1008 r->uri_changed = 1;
|
|
|
1009 }
|
|
|
1010 }
|
|
|
1011
|
|
|
1012 if (code->lengths == NULL) {
|
|
|
1013 e->buf.len = code->size;
|
|
|
1014
|
|
|
1015 if (code->uri) {
|
|
548
|
1016 if (r->ncaptures && (r->quoted_uri || r->plus_in_uri)) {
|
|
58
|
1017 e->buf.len += 2 * ngx_escape_uri(NULL, r->uri.data, r->uri.len,
|
|
|
1018 NGX_ESCAPE_ARGS);
|
|
|
1019 }
|
|
|
1020 }
|
|
|
1021
|
|
548
|
1022 for (n = 2; n < r->ncaptures; n += 2) {
|
|
|
1023 e->buf.len += r->captures[n + 1] - r->captures[n];
|
|
58
|
1024 }
|
|
|
1025
|
|
|
1026 } else {
|
|
|
1027 ngx_memzero(&le, sizeof(ngx_http_script_engine_t));
|
|
|
1028
|
|
|
1029 le.ip = code->lengths->elts;
|
|
228
|
1030 le.line = e->line;
|
|
58
|
1031 le.request = r;
|
|
228
|
1032 le.quote = code->redirect;
|
|
58
|
1033
|
|
366
|
1034 len = 0;
|
|
58
|
1035
|
|
|
1036 while (*(uintptr_t *) le.ip) {
|
|
|
1037 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
1038 len += lcode(&le);
|
|
|
1039 }
|
|
|
1040
|
|
|
1041 e->buf.len = len;
|
|
|
1042 }
|
|
|
1043
|
|
64
|
1044 if (code->add_args && r->args.len) {
|
|
58
|
1045 e->buf.len += r->args.len + 1;
|
|
|
1046 }
|
|
|
1047
|
|
382
|
1048 e->buf.data = ngx_pnalloc(r->pool, e->buf.len);
|
|
58
|
1049 if (e->buf.data == NULL) {
|
|
|
1050 e->ip = ngx_http_script_exit;
|
|
|
1051 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
56
|
1052 return;
|
|
|
1053 }
|
|
|
1054
|
|
58
|
1055 e->quote = code->redirect;
|
|
|
1056
|
|
|
1057 e->pos = e->buf.data;
|
|
|
1058
|
|
|
1059 e->ip += sizeof(ngx_http_script_regex_code_t);
|
|
|
1060 }
|
|
|
1061
|
|
|
1062
|
|
|
1063 void
|
|
|
1064 ngx_http_script_regex_end_code(ngx_http_script_engine_t *e)
|
|
|
1065 {
|
|
126
|
1066 u_char *dst, *src;
|
|
58
|
1067 ngx_http_request_t *r;
|
|
|
1068 ngx_http_script_regex_end_code_t *code;
|
|
|
1069
|
|
|
1070 code = (ngx_http_script_regex_end_code_t *) e->ip;
|
|
|
1071
|
|
|
1072 r = e->request;
|
|
|
1073
|
|
|
1074 e->quote = 0;
|
|
|
1075
|
|
|
1076 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1077 "http script regex end");
|
|
|
1078
|
|
|
1079 if (code->redirect) {
|
|
|
1080
|
|
126
|
1081 dst = e->buf.data;
|
|
|
1082 src = e->buf.data;
|
|
|
1083
|
|
342
|
1084 ngx_unescape_uri(&dst, &src, e->pos - e->buf.data,
|
|
|
1085 NGX_UNESCAPE_REDIRECT);
|
|
126
|
1086
|
|
|
1087 if (src < e->pos) {
|
|
620
|
1088 dst = ngx_movemem(dst, src, e->pos - src);
|
|
126
|
1089 }
|
|
|
1090
|
|
|
1091 e->pos = dst;
|
|
|
1092
|
|
|
1093 if (code->add_args && r->args.len) {
|
|
58
|
1094 *e->pos++ = (u_char) (code->args ? '&' : '?');
|
|
122
|
1095 e->pos = ngx_copy(e->pos, r->args.data, r->args.len);
|
|
58
|
1096 }
|
|
|
1097
|
|
|
1098 e->buf.len = e->pos - e->buf.data;
|
|
|
1099
|
|
430
|
1100 if (e->log || (r->connection->log->log_level & NGX_LOG_DEBUG_HTTP)) {
|
|
58
|
1101 ngx_log_error(NGX_LOG_NOTICE, r->connection->log, 0,
|
|
|
1102 "rewritten redirect: \"%V\"", &e->buf);
|
|
|
1103 }
|
|
|
1104
|
|
644
|
1105 ngx_http_clear_location(r);
|
|
|
1106
|
|
58
|
1107 r->headers_out.location = ngx_list_push(&r->headers_out.headers);
|
|
|
1108 if (r->headers_out.location == NULL) {
|
|
|
1109 e->ip = ngx_http_script_exit;
|
|
|
1110 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
1111 return;
|
|
|
1112 }
|
|
|
1113
|
|
126
|
1114 r->headers_out.location->hash = 1;
|
|
570
|
1115 ngx_str_set(&r->headers_out.location->key, "Location");
|
|
58
|
1116 r->headers_out.location->value = e->buf;
|
|
|
1117
|
|
|
1118 e->ip += sizeof(ngx_http_script_regex_end_code_t);
|
|
|
1119 return;
|
|
|
1120 }
|
|
|
1121
|
|
126
|
1122 if (e->args) {
|
|
58
|
1123 e->buf.len = e->args - e->buf.data;
|
|
|
1124
|
|
|
1125 if (code->add_args && r->args.len) {
|
|
|
1126 *e->pos++ = '&';
|
|
122
|
1127 e->pos = ngx_copy(e->pos, r->args.data, r->args.len);
|
|
58
|
1128 }
|
|
|
1129
|
|
|
1130 r->args.len = e->pos - e->args;
|
|
|
1131 r->args.data = e->args;
|
|
|
1132
|
|
|
1133 e->args = NULL;
|
|
|
1134
|
|
|
1135 } else {
|
|
|
1136 e->buf.len = e->pos - e->buf.data;
|
|
222
|
1137
|
|
|
1138 if (!code->add_args) {
|
|
|
1139 r->args.len = 0;
|
|
|
1140 }
|
|
58
|
1141 }
|
|
|
1142
|
|
430
|
1143 if (e->log || (r->connection->log->log_level & NGX_LOG_DEBUG_HTTP)) {
|
|
58
|
1144 ngx_log_error(NGX_LOG_NOTICE, r->connection->log, 0,
|
|
|
1145 "rewritten data: \"%V\", args: \"%V\"",
|
|
|
1146 &e->buf, &r->args);
|
|
|
1147 }
|
|
|
1148
|
|
|
1149 if (code->uri) {
|
|
|
1150 r->uri = e->buf;
|
|
|
1151
|
|
84
|
1152 if (r->uri.len == 0) {
|
|
|
1153 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1154 "the rewritten URI has a zero length");
|
|
|
1155 e->ip = ngx_http_script_exit;
|
|
|
1156 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
1157 return;
|
|
|
1158 }
|
|
|
1159
|
|
508
|
1160 ngx_http_set_exten(r);
|
|
58
|
1161 }
|
|
|
1162
|
|
|
1163 e->ip += sizeof(ngx_http_script_regex_end_code_t);
|
|
|
1164 }
|
|
|
1165
|
|
456
|
1166
|
|
464
|
1167 static ngx_int_t
|
|
|
1168 ngx_http_script_add_capture_code(ngx_http_script_compile_t *sc, ngx_uint_t n)
|
|
|
1169 {
|
|
|
1170 ngx_http_script_copy_capture_code_t *code;
|
|
|
1171
|
|
|
1172 code = ngx_http_script_add_code(*sc->lengths,
|
|
|
1173 sizeof(ngx_http_script_copy_capture_code_t),
|
|
|
1174 NULL);
|
|
|
1175 if (code == NULL) {
|
|
|
1176 return NGX_ERROR;
|
|
|
1177 }
|
|
|
1178
|
|
|
1179 code->code = (ngx_http_script_code_pt)
|
|
|
1180 ngx_http_script_copy_capture_len_code;
|
|
|
1181 code->n = 2 * n;
|
|
|
1182
|
|
|
1183
|
|
|
1184 code = ngx_http_script_add_code(*sc->values,
|
|
|
1185 sizeof(ngx_http_script_copy_capture_code_t),
|
|
|
1186 &sc->main);
|
|
|
1187 if (code == NULL) {
|
|
|
1188 return NGX_ERROR;
|
|
|
1189 }
|
|
|
1190
|
|
|
1191 code->code = ngx_http_script_copy_capture_code;
|
|
|
1192 code->n = 2 * n;
|
|
|
1193
|
|
|
1194 if (sc->ncaptures < n) {
|
|
|
1195 sc->ncaptures = n;
|
|
|
1196 }
|
|
|
1197
|
|
|
1198 return NGX_OK;
|
|
|
1199 }
|
|
|
1200
|
|
|
1201
|
|
456
|
1202 size_t
|
|
|
1203 ngx_http_script_copy_capture_len_code(ngx_http_script_engine_t *e)
|
|
|
1204 {
|
|
|
1205 int *cap;
|
|
|
1206 u_char *p;
|
|
|
1207 ngx_uint_t n;
|
|
|
1208 ngx_http_request_t *r;
|
|
|
1209 ngx_http_script_copy_capture_code_t *code;
|
|
|
1210
|
|
|
1211 r = e->request;
|
|
|
1212
|
|
|
1213 code = (ngx_http_script_copy_capture_code_t *) e->ip;
|
|
|
1214
|
|
|
1215 e->ip += sizeof(ngx_http_script_copy_capture_code_t);
|
|
|
1216
|
|
|
1217 n = code->n;
|
|
|
1218
|
|
|
1219 if (n < r->ncaptures) {
|
|
|
1220
|
|
|
1221 cap = r->captures;
|
|
|
1222
|
|
|
1223 if ((e->is_args || e->quote)
|
|
|
1224 && (e->request->quoted_uri || e->request->plus_in_uri))
|
|
|
1225 {
|
|
|
1226 p = r->captures_data;
|
|
|
1227
|
|
|
1228 return cap[n + 1] - cap[n]
|
|
|
1229 + 2 * ngx_escape_uri(NULL, &p[cap[n]], cap[n + 1] - cap[n],
|
|
|
1230 NGX_ESCAPE_ARGS);
|
|
|
1231 } else {
|
|
|
1232 return cap[n + 1] - cap[n];
|
|
|
1233 }
|
|
|
1234 }
|
|
|
1235
|
|
|
1236 return 0;
|
|
|
1237 }
|
|
|
1238
|
|
|
1239
|
|
|
1240 void
|
|
|
1241 ngx_http_script_copy_capture_code(ngx_http_script_engine_t *e)
|
|
|
1242 {
|
|
|
1243 int *cap;
|
|
|
1244 u_char *p, *pos;
|
|
|
1245 ngx_uint_t n;
|
|
|
1246 ngx_http_request_t *r;
|
|
|
1247 ngx_http_script_copy_capture_code_t *code;
|
|
|
1248
|
|
|
1249 r = e->request;
|
|
|
1250
|
|
|
1251 code = (ngx_http_script_copy_capture_code_t *) e->ip;
|
|
|
1252
|
|
|
1253 e->ip += sizeof(ngx_http_script_copy_capture_code_t);
|
|
|
1254
|
|
|
1255 n = code->n;
|
|
|
1256
|
|
|
1257 pos = e->pos;
|
|
|
1258
|
|
|
1259 if (n < r->ncaptures) {
|
|
|
1260
|
|
|
1261 cap = r->captures;
|
|
|
1262 p = r->captures_data;
|
|
|
1263
|
|
|
1264 if ((e->is_args || e->quote)
|
|
|
1265 && (e->request->quoted_uri || e->request->plus_in_uri))
|
|
|
1266 {
|
|
|
1267 e->pos = (u_char *) ngx_escape_uri(pos, &p[cap[n]],
|
|
|
1268 cap[n + 1] - cap[n],
|
|
|
1269 NGX_ESCAPE_ARGS);
|
|
|
1270 } else {
|
|
|
1271 e->pos = ngx_copy(pos, &p[cap[n]], cap[n + 1] - cap[n]);
|
|
|
1272 }
|
|
|
1273 }
|
|
|
1274
|
|
|
1275 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0,
|
|
|
1276 "http script capture: \"%*s\"", e->pos - pos, pos);
|
|
|
1277 }
|
|
|
1278
|
|
66
|
1279 #endif
|
|
|
1280
|
|
58
|
1281
|
|
464
|
1282 static ngx_int_t
|
|
|
1283 ngx_http_script_add_full_name_code(ngx_http_script_compile_t *sc)
|
|
|
1284 {
|
|
|
1285 ngx_http_script_full_name_code_t *code;
|
|
|
1286
|
|
|
1287 code = ngx_http_script_add_code(*sc->lengths,
|
|
|
1288 sizeof(ngx_http_script_full_name_code_t),
|
|
|
1289 NULL);
|
|
|
1290 if (code == NULL) {
|
|
|
1291 return NGX_ERROR;
|
|
|
1292 }
|
|
|
1293
|
|
|
1294 code->code = (ngx_http_script_code_pt) ngx_http_script_full_name_len_code;
|
|
482
|
1295 code->conf_prefix = sc->conf_prefix;
|
|
464
|
1296
|
|
|
1297 code = ngx_http_script_add_code(*sc->values,
|
|
|
1298 sizeof(ngx_http_script_full_name_code_t),
|
|
|
1299 &sc->main);
|
|
|
1300 if (code == NULL) {
|
|
|
1301 return NGX_ERROR;
|
|
|
1302 }
|
|
|
1303
|
|
|
1304 code->code = ngx_http_script_full_name_code;
|
|
482
|
1305 code->conf_prefix = sc->conf_prefix;
|
|
464
|
1306
|
|
|
1307 return NGX_OK;
|
|
|
1308 }
|
|
|
1309
|
|
|
1310
|
|
|
1311 static size_t
|
|
|
1312 ngx_http_script_full_name_len_code(ngx_http_script_engine_t *e)
|
|
|
1313 {
|
|
|
1314 ngx_http_script_full_name_code_t *code;
|
|
|
1315
|
|
|
1316 code = (ngx_http_script_full_name_code_t *) e->ip;
|
|
|
1317
|
|
|
1318 e->ip += sizeof(ngx_http_script_full_name_code_t);
|
|
|
1319
|
|
482
|
1320 return code->conf_prefix ? ngx_cycle->conf_prefix.len:
|
|
|
1321 ngx_cycle->prefix.len;
|
|
464
|
1322 }
|
|
|
1323
|
|
|
1324
|
|
|
1325 static void
|
|
|
1326 ngx_http_script_full_name_code(ngx_http_script_engine_t *e)
|
|
|
1327 {
|
|
|
1328 ngx_http_script_full_name_code_t *code;
|
|
|
1329
|
|
|
1330 ngx_str_t value;
|
|
|
1331
|
|
|
1332 code = (ngx_http_script_full_name_code_t *) e->ip;
|
|
|
1333
|
|
|
1334 value.data = e->buf.data;
|
|
|
1335 value.len = e->pos - e->buf.data;
|
|
|
1336
|
|
482
|
1337 if (ngx_conf_full_name((ngx_cycle_t *) ngx_cycle, &value, code->conf_prefix)
|
|
464
|
1338 != NGX_OK)
|
|
|
1339 {
|
|
|
1340 e->ip = ngx_http_script_exit;
|
|
|
1341 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
1342 return;
|
|
|
1343 }
|
|
|
1344
|
|
|
1345 e->buf = value;
|
|
|
1346
|
|
|
1347 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0,
|
|
|
1348 "http script fullname: \"%V\"", &value);
|
|
|
1349
|
|
|
1350 e->ip += sizeof(ngx_http_script_full_name_code_t);
|
|
|
1351 }
|
|
|
1352
|
|
|
1353
|
|
58
|
1354 void
|
|
|
1355 ngx_http_script_return_code(ngx_http_script_engine_t *e)
|
|
126
|
1356 {
|
|
58
|
1357 ngx_http_script_return_code_t *code;
|
|
126
|
1358
|
|
58
|
1359 code = (ngx_http_script_return_code_t *) e->ip;
|
|
|
1360
|
|
580
|
1361 if (code->status < NGX_HTTP_BAD_REQUEST
|
|
|
1362 || code->text.value.len
|
|
|
1363 || code->text.lengths)
|
|
|
1364 {
|
|
|
1365 e->status = ngx_http_send_response(e->request, code->status, NULL,
|
|
|
1366 &code->text);
|
|
|
1367 } else {
|
|
|
1368 e->status = code->status;
|
|
202
|
1369 }
|
|
|
1370
|
|
580
|
1371 e->ip = ngx_http_script_exit;
|
|
56
|
1372 }
|
|
58
|
1373
|
|
|
1374
|
|
|
1375 void
|
|
76
|
1376 ngx_http_script_break_code(ngx_http_script_engine_t *e)
|
|
|
1377 {
|
|
|
1378 e->request->uri_changed = 0;
|
|
|
1379
|
|
|
1380 e->ip = ngx_http_script_exit;
|
|
|
1381 }
|
|
|
1382
|
|
|
1383
|
|
|
1384 void
|
|
58
|
1385 ngx_http_script_if_code(ngx_http_script_engine_t *e)
|
|
|
1386 {
|
|
|
1387 ngx_http_script_if_code_t *code;
|
|
|
1388
|
|
|
1389 code = (ngx_http_script_if_code_t *) e->ip;
|
|
|
1390
|
|
|
1391 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0,
|
|
|
1392 "http script if");
|
|
|
1393
|
|
|
1394 e->sp--;
|
|
|
1395
|
|
622
|
1396 if (e->sp->len && (e->sp->len !=1 || e->sp->data[0] != '0')) {
|
|
58
|
1397 if (code->loc_conf) {
|
|
|
1398 e->request->loc_conf = code->loc_conf;
|
|
84
|
1399 ngx_http_update_location_config(e->request);
|
|
58
|
1400 }
|
|
|
1401
|
|
|
1402 e->ip += sizeof(ngx_http_script_if_code_t);
|
|
|
1403 return;
|
|
|
1404 }
|
|
|
1405
|
|
|
1406 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0,
|
|
126
|
1407 "http script if: false");
|
|
58
|
1408
|
|
|
1409 e->ip += code->next;
|
|
|
1410 }
|
|
|
1411
|
|
|
1412
|
|
|
1413 void
|
|
126
|
1414 ngx_http_script_equal_code(ngx_http_script_engine_t *e)
|
|
|
1415 {
|
|
|
1416 ngx_http_variable_value_t *val, *res;
|
|
|
1417
|
|
|
1418 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0,
|
|
|
1419 "http script equal");
|
|
|
1420
|
|
|
1421 e->sp--;
|
|
|
1422 val = e->sp;
|
|
|
1423 res = e->sp - 1;
|
|
|
1424
|
|
|
1425 e->ip += sizeof(uintptr_t);
|
|
|
1426
|
|
430
|
1427 if (val->len == res->len
|
|
|
1428 && ngx_strncmp(val->data, res->data, res->len) == 0)
|
|
126
|
1429 {
|
|
|
1430 *res = ngx_http_variable_true_value;
|
|
|
1431 return;
|
|
|
1432 }
|
|
|
1433
|
|
|
1434 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0,
|
|
|
1435 "http script equal: no");
|
|
|
1436
|
|
|
1437 *res = ngx_http_variable_null_value;
|
|
|
1438 }
|
|
|
1439
|
|
|
1440
|
|
|
1441 void
|
|
|
1442 ngx_http_script_not_equal_code(ngx_http_script_engine_t *e)
|
|
|
1443 {
|
|
|
1444 ngx_http_variable_value_t *val, *res;
|
|
|
1445
|
|
|
1446 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0,
|
|
|
1447 "http script not equal");
|
|
|
1448
|
|
|
1449 e->sp--;
|
|
|
1450 val = e->sp;
|
|
|
1451 res = e->sp - 1;
|
|
|
1452
|
|
|
1453 e->ip += sizeof(uintptr_t);
|
|
|
1454
|
|
430
|
1455 if (val->len == res->len
|
|
|
1456 && ngx_strncmp(val->data, res->data, res->len) == 0)
|
|
126
|
1457 {
|
|
|
1458 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0,
|
|
|
1459 "http script not equal: no");
|
|
|
1460
|
|
|
1461 *res = ngx_http_variable_null_value;
|
|
|
1462 return;
|
|
|
1463 }
|
|
|
1464
|
|
|
1465 *res = ngx_http_variable_true_value;
|
|
|
1466 }
|
|
|
1467
|
|
|
1468
|
|
|
1469 void
|
|
180
|
1470 ngx_http_script_file_code(ngx_http_script_engine_t *e)
|
|
|
1471 {
|
|
332
|
1472 ngx_str_t path;
|
|
|
1473 ngx_http_request_t *r;
|
|
|
1474 ngx_open_file_info_t of;
|
|
|
1475 ngx_http_core_loc_conf_t *clcf;
|
|
180
|
1476 ngx_http_variable_value_t *value;
|
|
|
1477 ngx_http_script_file_code_t *code;
|
|
|
1478
|
|
|
1479 value = e->sp - 1;
|
|
|
1480
|
|
|
1481 code = (ngx_http_script_file_code_t *) e->ip;
|
|
|
1482 e->ip += sizeof(ngx_http_script_file_code_t);
|
|
|
1483
|
|
332
|
1484 path.len = value->len - 1;
|
|
|
1485 path.data = value->data;
|
|
|
1486
|
|
|
1487 r = e->request;
|
|
|
1488
|
|
|
1489 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1490 "http script file op %p \"%V\"", code->op, &path);
|
|
|
1491
|
|
|
1492 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
180
|
1493
|
|
384
|
1494 ngx_memzero(&of, sizeof(ngx_open_file_info_t));
|
|
|
1495
|
|
532
|
1496 of.read_ahead = clcf->read_ahead;
|
|
390
|
1497 of.directio = clcf->directio;
|
|
358
|
1498 of.valid = clcf->open_file_cache_valid;
|
|
|
1499 of.min_uses = clcf->open_file_cache_min_uses;
|
|
482
|
1500 of.test_only = 1;
|
|
332
|
1501 of.errors = clcf->open_file_cache_errors;
|
|
|
1502 of.events = clcf->open_file_cache_events;
|
|
664
|
1503
|
|
|
1504 if (ngx_http_set_disable_symlinks(r, clcf, &path, &of) != NGX_OK) {
|
|
|
1505 e->ip = ngx_http_script_exit;
|
|
|
1506 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
1507 return;
|
|
|
1508 }
|
|
180
|
1509
|
|
332
|
1510 if (ngx_open_cached_file(clcf->open_file_cache, &path, &of, r->pool)
|
|
362
|
1511 != NGX_OK)
|
|
332
|
1512 {
|
|
530
|
1513 if (of.err != NGX_ENOENT
|
|
|
1514 && of.err != NGX_ENOTDIR
|
|
|
1515 && of.err != NGX_ENAMETOOLONG)
|
|
|
1516 {
|
|
332
|
1517 ngx_log_error(NGX_LOG_CRIT, r->connection->log, of.err,
|
|
482
|
1518 "%s \"%s\" failed", of.failed, value->data);
|
|
180
|
1519 }
|
|
|
1520
|
|
|
1521 switch (code->op) {
|
|
220
|
1522
|
|
180
|
1523 case ngx_http_script_file_plain:
|
|
218
|
1524 case ngx_http_script_file_dir:
|
|
|
1525 case ngx_http_script_file_exists:
|
|
|
1526 case ngx_http_script_file_exec:
|
|
392
|
1527 goto false_value;
|
|
220
|
1528
|
|
180
|
1529 case ngx_http_script_file_not_plain:
|
|
218
|
1530 case ngx_http_script_file_not_dir:
|
|
220
|
1531 case ngx_http_script_file_not_exists:
|
|
218
|
1532 case ngx_http_script_file_not_exec:
|
|
392
|
1533 goto true_value;
|
|
180
|
1534 }
|
|
|
1535
|
|
392
|
1536 goto false_value;
|
|
180
|
1537 }
|
|
|
1538
|
|
|
1539 switch (code->op) {
|
|
|
1540 case ngx_http_script_file_plain:
|
|
332
|
1541 if (of.is_file) {
|
|
392
|
1542 goto true_value;
|
|
180
|
1543 }
|
|
392
|
1544 goto false_value;
|
|
180
|
1545
|
|
|
1546 case ngx_http_script_file_not_plain:
|
|
332
|
1547 if (of.is_file) {
|
|
392
|
1548 goto false_value;
|
|
180
|
1549 }
|
|
392
|
1550 goto true_value;
|
|
218
|
1551
|
|
|
1552 case ngx_http_script_file_dir:
|
|
332
|
1553 if (of.is_dir) {
|
|
392
|
1554 goto true_value;
|
|
218
|
1555 }
|
|
392
|
1556 goto false_value;
|
|
218
|
1557
|
|
|
1558 case ngx_http_script_file_not_dir:
|
|
332
|
1559 if (of.is_dir) {
|
|
392
|
1560 goto false_value;
|
|
218
|
1561 }
|
|
392
|
1562 goto true_value;
|
|
218
|
1563
|
|
|
1564 case ngx_http_script_file_exists:
|
|
332
|
1565 if (of.is_file || of.is_dir || of.is_link) {
|
|
392
|
1566 goto true_value;
|
|
218
|
1567 }
|
|
392
|
1568 goto false_value;
|
|
218
|
1569
|
|
|
1570 case ngx_http_script_file_not_exists:
|
|
332
|
1571 if (of.is_file || of.is_dir || of.is_link) {
|
|
392
|
1572 goto false_value;
|
|
218
|
1573 }
|
|
392
|
1574 goto true_value;
|
|
218
|
1575
|
|
|
1576 case ngx_http_script_file_exec:
|
|
332
|
1577 if (of.is_exec) {
|
|
392
|
1578 goto true_value;
|
|
218
|
1579 }
|
|
392
|
1580 goto false_value;
|
|
218
|
1581
|
|
|
1582 case ngx_http_script_file_not_exec:
|
|
332
|
1583 if (of.is_exec) {
|
|
392
|
1584 goto false_value;
|
|
218
|
1585 }
|
|
392
|
1586 goto true_value;
|
|
180
|
1587 }
|
|
|
1588
|
|
392
|
1589 false_value:
|
|
180
|
1590
|
|
332
|
1591 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
180
|
1592 "http script file op false");
|
|
|
1593
|
|
|
1594 *value = ngx_http_variable_null_value;
|
|
|
1595 return;
|
|
|
1596
|
|
392
|
1597 true_value:
|
|
180
|
1598
|
|
|
1599 *value = ngx_http_variable_true_value;
|
|
|
1600 return;
|
|
|
1601 }
|
|
|
1602
|
|
|
1603
|
|
|
1604 void
|
|
64
|
1605 ngx_http_script_complex_value_code(ngx_http_script_engine_t *e)
|
|
|
1606 {
|
|
|
1607 size_t len;
|
|
|
1608 ngx_http_script_engine_t le;
|
|
|
1609 ngx_http_script_len_code_pt lcode;
|
|
|
1610 ngx_http_script_complex_value_code_t *code;
|
|
|
1611
|
|
|
1612 code = (ngx_http_script_complex_value_code_t *) e->ip;
|
|
|
1613
|
|
|
1614 e->ip += sizeof(ngx_http_script_complex_value_code_t);
|
|
|
1615
|
|
|
1616 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0,
|
|
|
1617 "http script complex value");
|
|
|
1618
|
|
|
1619 ngx_memzero(&le, sizeof(ngx_http_script_engine_t));
|
|
|
1620
|
|
|
1621 le.ip = code->lengths->elts;
|
|
204
|
1622 le.line = e->line;
|
|
64
|
1623 le.request = e->request;
|
|
204
|
1624 le.quote = e->quote;
|
|
64
|
1625
|
|
|
1626 for (len = 0; *(uintptr_t *) le.ip; len += lcode(&le)) {
|
|
|
1627 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
1628 }
|
|
|
1629
|
|
|
1630 e->buf.len = len;
|
|
382
|
1631 e->buf.data = ngx_pnalloc(e->request->pool, len);
|
|
64
|
1632 if (e->buf.data == NULL) {
|
|
|
1633 e->ip = ngx_http_script_exit;
|
|
|
1634 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
1635 return;
|
|
|
1636 }
|
|
|
1637
|
|
|
1638 e->pos = e->buf.data;
|
|
|
1639
|
|
126
|
1640 e->sp->len = e->buf.len;
|
|
122
|
1641 e->sp->data = e->buf.data;
|
|
64
|
1642 e->sp++;
|
|
|
1643 }
|
|
|
1644
|
|
|
1645
|
|
|
1646 void
|
|
58
|
1647 ngx_http_script_value_code(ngx_http_script_engine_t *e)
|
|
|
1648 {
|
|
|
1649 ngx_http_script_value_code_t *code;
|
|
|
1650
|
|
|
1651 code = (ngx_http_script_value_code_t *) e->ip;
|
|
|
1652
|
|
|
1653 e->ip += sizeof(ngx_http_script_value_code_t);
|
|
|
1654
|
|
122
|
1655 e->sp->len = code->text_len;
|
|
|
1656 e->sp->data = (u_char *) code->text_data;
|
|
126
|
1657
|
|
|
1658 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0,
|
|
340
|
1659 "http script value: \"%v\"", e->sp);
|
|
126
|
1660
|
|
58
|
1661 e->sp++;
|
|
|
1662 }
|
|
|
1663
|
|
|
1664
|
|
|
1665 void
|
|
|
1666 ngx_http_script_set_var_code(ngx_http_script_engine_t *e)
|
|
|
1667 {
|
|
|
1668 ngx_http_request_t *r;
|
|
|
1669 ngx_http_script_var_code_t *code;
|
|
|
1670
|
|
|
1671 code = (ngx_http_script_var_code_t *) e->ip;
|
|
|
1672
|
|
|
1673 e->ip += sizeof(ngx_http_script_var_code_t);
|
|
|
1674
|
|
|
1675 r = e->request;
|
|
|
1676
|
|
|
1677 e->sp--;
|
|
|
1678
|
|
122
|
1679 r->variables[code->index].len = e->sp->len;
|
|
|
1680 r->variables[code->index].valid = 1;
|
|
340
|
1681 r->variables[code->index].no_cacheable = 0;
|
|
122
|
1682 r->variables[code->index].not_found = 0;
|
|
|
1683 r->variables[code->index].data = e->sp->data;
|
|
430
|
1684
|
|
|
1685 #if (NGX_DEBUG)
|
|
|
1686 {
|
|
|
1687 ngx_http_variable_t *v;
|
|
|
1688 ngx_http_core_main_conf_t *cmcf;
|
|
|
1689
|
|
|
1690 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module);
|
|
|
1691
|
|
|
1692 v = cmcf->variables.elts;
|
|
|
1693
|
|
|
1694 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0,
|
|
|
1695 "http script set $%V", &v[code->index].name);
|
|
|
1696 }
|
|
|
1697 #endif
|
|
58
|
1698 }
|
|
|
1699
|
|
|
1700
|
|
|
1701 void
|
|
186
|
1702 ngx_http_script_var_set_handler_code(ngx_http_script_engine_t *e)
|
|
|
1703 {
|
|
|
1704 ngx_http_script_var_handler_code_t *code;
|
|
|
1705
|
|
|
1706 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0,
|
|
|
1707 "http script set var handler");
|
|
|
1708
|
|
|
1709 code = (ngx_http_script_var_handler_code_t *) e->ip;
|
|
|
1710
|
|
|
1711 e->ip += sizeof(ngx_http_script_var_handler_code_t);
|
|
|
1712
|
|
|
1713 e->sp--;
|
|
|
1714
|
|
|
1715 code->handler(e->request, e->sp, code->data);
|
|
|
1716 }
|
|
|
1717
|
|
|
1718
|
|
|
1719 void
|
|
58
|
1720 ngx_http_script_var_code(ngx_http_script_engine_t *e)
|
|
|
1721 {
|
|
|
1722 ngx_http_variable_value_t *value;
|
|
|
1723 ngx_http_script_var_code_t *code;
|
|
|
1724
|
|
|
1725 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0,
|
|
|
1726 "http script var");
|
|
|
1727
|
|
|
1728 code = (ngx_http_script_var_code_t *) e->ip;
|
|
|
1729
|
|
|
1730 e->ip += sizeof(ngx_http_script_var_code_t);
|
|
|
1731
|
|
122
|
1732 value = ngx_http_get_flushed_variable(e->request, code->index);
|
|
58
|
1733
|
|
122
|
1734 if (value && !value->not_found) {
|
|
|
1735 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0,
|
|
328
|
1736 "http script var: \"%v\"", value);
|
|
122
|
1737
|
|
102
|
1738 *e->sp = *value;
|
|
58
|
1739 e->sp++;
|
|
|
1740
|
|
|
1741 return;
|
|
|
1742 }
|
|
|
1743
|
|
126
|
1744 *e->sp = ngx_http_variable_null_value;
|
|
58
|
1745 e->sp++;
|
|
|
1746 }
|
|
|
1747
|
|
|
1748
|
|
|
1749 void
|
|
|
1750 ngx_http_script_nop_code(ngx_http_script_engine_t *e)
|
|
|
1751 {
|
|
|
1752 e->ip += sizeof(uintptr_t);
|
|
|
1753 }
|
