Mercurial > hg > nginx-quic
annotate src/http/ngx_http_script.c @ 6988:cc823122d50d
HTTP/2: rejecting zero WINDOW_UPDATE with PROTOCOL_ERROR.
It's required by RFC 7540. While there is no real harm from such frames,
that should help to detect broken clients.
Based on a patch by Piotr Sikora.
author | Valentin Bartenev <vbart@nginx.com> |
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date | Mon, 24 Apr 2017 14:16:57 +0300 |
parents | 3fb9b5eb75c0 |
children | 9e25a5380a21 |
rev | line source |
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441
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
4412 | 4 * Copyright (C) Nginx, Inc. |
441
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5 */ |
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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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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, |
6474 | 22 ngx_uint_t n); |
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23 #endif |
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24 static ngx_int_t |
6474 | 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 |
509 | 30 #define ngx_http_script_exit (u_char *) &ngx_http_script_exit_code |
31 | |
32 static uintptr_t ngx_http_script_exit_code = (uintptr_t) NULL; | |
33 | |
34 | |
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35 void |
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36 ngx_http_script_flush_complex_value(ngx_http_request_t *r, |
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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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71 ngx_http_script_flush_complex_value(r, val); |
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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] == '$') { |
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122 if (v->data[i + 1] >= '1' && v->data[i + 1] <= '9') { |
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123 nc++; |
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124 |
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125 } else { |
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126 nv++; |
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127 } |
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128 } |
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129 } |
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130 |
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131 if ((v->len == 0 || v->data[0] != '$') |
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132 && (ccv->conf_prefix || ccv->root_prefix)) |
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133 { |
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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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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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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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211 char * |
3761 | 212 ngx_http_set_complex_value_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
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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 "is 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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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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265 if (val.len && (val.len != 1 || val.data[0] != '0')) { |
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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 |
509 | 317 ngx_uint_t |
318 ngx_http_script_variables_count(ngx_str_t *value) | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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319 { |
509 | 320 ngx_uint_t i, n; |
507 | 321 |
509 | 322 for (n = 0, i = 0; i < value->len; i++) { |
323 if (value->data[i] == '$') { | |
324 n++; | |
325 } | |
507 | 326 } |
327 | |
509 | 328 return n; |
329 } | |
330 | |
331 | |
332 ngx_int_t | |
333 ngx_http_script_compile(ngx_http_script_compile_t *sc) | |
334 { | |
2577
2dcbcfc1a8d1
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335 u_char ch; |
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336 ngx_str_t name; |
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337 ngx_uint_t i, bracket; |
573 | 338 |
2577
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339 if (ngx_http_script_init_arrays(sc) != NGX_OK) { |
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340 return NGX_ERROR; |
509 | 341 } |
342 | |
343 for (i = 0; i < sc->source->len; /* void */ ) { | |
344 | |
345 name.len = 0; | |
346 | |
347 if (sc->source->data[i] == '$') { | |
348 | |
349 if (++i == sc->source->len) { | |
350 goto invalid_variable; | |
351 } | |
352 | |
6644
af642539cd53
Fixed regex captures handling without PCRE.
Vladimir Homutov <vl@nginx.com>
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353 if (sc->source->data[i] >= '1' && sc->source->data[i] <= '9') { |
2547
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354 #if (NGX_PCRE) |
6644
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Fixed regex captures handling without PCRE.
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|
355 ngx_uint_t n; |
509 | 356 |
641 | 357 n = sc->source->data[i] - '0'; |
358 | |
6861
e4590dfd97ff
Win32: support 64-bit compilation with MSVC.
Maxim Dounin <mdounin@mdounin.ru>
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diff
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|
359 if (sc->captures_mask & ((ngx_uint_t) 1 << n)) { |
641 | 360 sc->dup_capture = 1; |
361 } | |
362 | |
6861
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363 sc->captures_mask |= (ngx_uint_t) 1 << n; |
641 | 364 |
2577
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365 if (ngx_http_script_add_capture_code(sc, n) != NGX_OK) { |
509 | 366 return NGX_ERROR; |
367 } | |
368 | |
369 i++; | |
370 | |
371 continue; | |
6644
af642539cd53
Fixed regex captures handling without PCRE.
Vladimir Homutov <vl@nginx.com>
parents:
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|
372 #else |
af642539cd53
Fixed regex captures handling without PCRE.
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|
373 ngx_conf_log_error(NGX_LOG_EMERG, sc->cf, 0, |
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Fixed regex captures handling without PCRE.
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diff
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|
374 "using variable \"$%c\" requires " |
af642539cd53
Fixed regex captures handling without PCRE.
Vladimir Homutov <vl@nginx.com>
parents:
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|
375 "PCRE library", sc->source->data[i]); |
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Fixed regex captures handling without PCRE.
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376 return NGX_ERROR; |
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Fixed regex captures handling without PCRE.
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377 #endif |
2577
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378 } |
2547
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now regex captures are per-request entities
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|
379 |
509 | 380 if (sc->source->data[i] == '{') { |
381 bracket = 1; | |
382 | |
383 if (++i == sc->source->len) { | |
384 goto invalid_variable; | |
385 } | |
386 | |
387 name.data = &sc->source->data[i]; | |
388 | |
389 } else { | |
390 bracket = 0; | |
391 name.data = &sc->source->data[i]; | |
392 } | |
393 | |
394 for ( /* void */ ; i < sc->source->len; i++, name.len++) { | |
395 ch = sc->source->data[i]; | |
507 | 396 |
509 | 397 if (ch == '}' && bracket) { |
398 i++; | |
399 bracket = 0; | |
400 break; | |
401 } | |
402 | |
403 if ((ch >= 'A' && ch <= 'Z') | |
404 || (ch >= 'a' && ch <= 'z') | |
405 || (ch >= '0' && ch <= '9') | |
406 || ch == '_') | |
407 { | |
408 continue; | |
409 } | |
410 | |
411 break; | |
412 } | |
413 | |
414 if (bracket) { | |
415 ngx_conf_log_error(NGX_LOG_EMERG, sc->cf, 0, | |
416 "the closing bracket in \"%V\" " | |
417 "variable is missing", &name); | |
507 | 418 return NGX_ERROR; |
419 } | |
420 | |
509 | 421 if (name.len == 0) { |
422 goto invalid_variable; | |
423 } | |
507 | 424 |
509 | 425 sc->variables++; |
507 | 426 |
2577
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427 if (ngx_http_script_add_var_code(sc, &name) != NGX_OK) { |
507 | 428 return NGX_ERROR; |
429 } | |
99
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430 |
509 | 431 continue; |
432 } | |
507 | 433 |
509 | 434 if (sc->source->data[i] == '?' && sc->compile_args) { |
435 sc->args = 1; | |
436 sc->compile_args = 0; | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
diff
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|
437 |
2577
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|
438 if (ngx_http_script_add_args_code(sc) != NGX_OK) { |
1891
782af1038115
length calculation did not take into account escaped symbols in arguments
Igor Sysoev <igor@sysoev.ru>
parents:
1799
diff
changeset
|
439 return NGX_ERROR; |
782af1038115
length calculation did not take into account escaped symbols in arguments
Igor Sysoev <igor@sysoev.ru>
parents:
1799
diff
changeset
|
440 } |
782af1038115
length calculation did not take into account escaped symbols in arguments
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diff
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|
441 |
509 | 442 i++; |
443 | |
507 | 444 continue; |
445 } | |
446 | |
509 | 447 name.data = &sc->source->data[i]; |
448 | |
2498
d3357bf23a5e
fix /?new=arg?old=arg redirect case
Igor Sysoev <igor@sysoev.ru>
parents:
2397
diff
changeset
|
449 while (i < sc->source->len) { |
d3357bf23a5e
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diff
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450 |
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451 if (sc->source->data[i] == '$') { |
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452 break; |
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|
453 } |
d3357bf23a5e
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parents:
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diff
changeset
|
454 |
d3357bf23a5e
fix /?new=arg?old=arg redirect case
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diff
changeset
|
455 if (sc->source->data[i] == '?') { |
d3357bf23a5e
fix /?new=arg?old=arg redirect case
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parents:
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diff
changeset
|
456 |
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|
457 sc->args = 1; |
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diff
changeset
|
458 |
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diff
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|
459 if (sc->compile_args) { |
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|
460 break; |
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diff
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|
461 } |
d3357bf23a5e
fix /?new=arg?old=arg redirect case
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
462 } |
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fix /?new=arg?old=arg redirect case
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
463 |
509 | 464 i++; |
465 name.len++; | |
466 } | |
467 | |
468 sc->size += name.len; | |
469 | |
2587
8afc4df77ee8
ngx_http_script_flush_complex_value()
Igor Sysoev <igor@sysoev.ru>
parents:
2577
diff
changeset
|
470 if (ngx_http_script_add_copy_code(sc, &name, (i == sc->source->len)) |
8afc4df77ee8
ngx_http_script_flush_complex_value()
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parents:
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diff
changeset
|
471 != NGX_OK) |
8afc4df77ee8
ngx_http_script_flush_complex_value()
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diff
changeset
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472 { |
509 | 473 return NGX_ERROR; |
474 } | |
507 | 475 } |
476 | |
2577
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diff
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|
477 return ngx_http_script_done(sc); |
509 | 478 |
479 invalid_variable: | |
480 | |
481 ngx_conf_log_error(NGX_LOG_EMERG, sc->cf, 0, "invalid variable name"); | |
482 | |
483 return NGX_ERROR; | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
diff
changeset
|
484 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
485 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
486 |
623 | 487 u_char * |
488 ngx_http_script_run(ngx_http_request_t *r, ngx_str_t *value, | |
489 void *code_lengths, size_t len, void *code_values) | |
490 { | |
1152
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diff
changeset
|
491 ngx_uint_t i; |
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diff
changeset
|
492 ngx_http_script_code_pt code; |
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flush nocachable variables before ngx_http_script_run()
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changeset
|
493 ngx_http_script_len_code_pt lcode; |
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changeset
|
494 ngx_http_script_engine_t e; |
a9715f8f17a5
flush nocachable variables before ngx_http_script_run()
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diff
changeset
|
495 ngx_http_core_main_conf_t *cmcf; |
a9715f8f17a5
flush nocachable variables before ngx_http_script_run()
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diff
changeset
|
496 |
a9715f8f17a5
flush nocachable variables before ngx_http_script_run()
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diff
changeset
|
497 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); |
a9715f8f17a5
flush nocachable variables before ngx_http_script_run()
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diff
changeset
|
498 |
a9715f8f17a5
flush nocachable variables before ngx_http_script_run()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
499 for (i = 0; i < cmcf->variables.nelts; i++) { |
1565 | 500 if (r->variables[i].no_cacheable) { |
1152
a9715f8f17a5
flush nocachable variables before ngx_http_script_run()
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parents:
845
diff
changeset
|
501 r->variables[i].valid = 0; |
a9715f8f17a5
flush nocachable variables before ngx_http_script_run()
Igor Sysoev <igor@sysoev.ru>
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845
diff
changeset
|
502 r->variables[i].not_found = 0; |
a9715f8f17a5
flush nocachable variables before ngx_http_script_run()
Igor Sysoev <igor@sysoev.ru>
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845
diff
changeset
|
503 } |
a9715f8f17a5
flush nocachable variables before ngx_http_script_run()
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parents:
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diff
changeset
|
504 } |
623 | 505 |
506 ngx_memzero(&e, sizeof(ngx_http_script_engine_t)); | |
507 | |
508 e.ip = code_lengths; | |
509 e.request = r; | |
510 e.flushed = 1; | |
511 | |
512 while (*(uintptr_t *) e.ip) { | |
513 lcode = *(ngx_http_script_len_code_pt *) e.ip; | |
514 len += lcode(&e); | |
515 } | |
516 | |
517 | |
518 value->len = len; | |
2049 | 519 value->data = ngx_pnalloc(r->pool, len); |
623 | 520 if (value->data == NULL) { |
521 return NULL; | |
522 } | |
523 | |
524 e.ip = code_values; | |
525 e.pos = value->data; | |
526 | |
527 while (*(uintptr_t *) e.ip) { | |
528 code = *(ngx_http_script_code_pt *) e.ip; | |
529 code((ngx_http_script_engine_t *) &e); | |
530 } | |
531 | |
532 return e.pos; | |
533 } | |
534 | |
535 | |
573 | 536 void |
1565 | 537 ngx_http_script_flush_no_cacheable_variables(ngx_http_request_t *r, |
573 | 538 ngx_array_t *indices) |
539 { | |
540 ngx_uint_t n, *index; | |
541 | |
542 if (indices) { | |
543 index = indices->elts; | |
544 for (n = 0; n < indices->nelts; n++) { | |
1565 | 545 if (r->variables[index[n]].no_cacheable) { |
573 | 546 r->variables[index[n]].valid = 0; |
547 r->variables[index[n]].not_found = 0; | |
548 } | |
549 } | |
550 } | |
551 } | |
552 | |
553 | |
2577
2dcbcfc1a8d1
split ngx_http_script_compile()
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diff
changeset
|
554 static ngx_int_t |
2dcbcfc1a8d1
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diff
changeset
|
555 ngx_http_script_init_arrays(ngx_http_script_compile_t *sc) |
2dcbcfc1a8d1
split ngx_http_script_compile()
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2547
diff
changeset
|
556 { |
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changeset
|
557 ngx_uint_t n; |
2dcbcfc1a8d1
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diff
changeset
|
558 |
2dcbcfc1a8d1
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diff
changeset
|
559 if (sc->flushes && *sc->flushes == NULL) { |
2dcbcfc1a8d1
split ngx_http_script_compile()
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2547
diff
changeset
|
560 n = sc->variables ? sc->variables : 1; |
2dcbcfc1a8d1
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parents:
2547
diff
changeset
|
561 *sc->flushes = ngx_array_create(sc->cf->pool, n, sizeof(ngx_uint_t)); |
2dcbcfc1a8d1
split ngx_http_script_compile()
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diff
changeset
|
562 if (*sc->flushes == NULL) { |
2dcbcfc1a8d1
split ngx_http_script_compile()
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parents:
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diff
changeset
|
563 return NGX_ERROR; |
2dcbcfc1a8d1
split ngx_http_script_compile()
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parents:
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diff
changeset
|
564 } |
2dcbcfc1a8d1
split ngx_http_script_compile()
Igor Sysoev <igor@sysoev.ru>
parents:
2547
diff
changeset
|
565 } |
2dcbcfc1a8d1
split ngx_http_script_compile()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
566 |
2dcbcfc1a8d1
split ngx_http_script_compile()
Igor Sysoev <igor@sysoev.ru>
parents:
2547
diff
changeset
|
567 if (*sc->lengths == NULL) { |
2dcbcfc1a8d1
split ngx_http_script_compile()
Igor Sysoev <igor@sysoev.ru>
parents:
2547
diff
changeset
|
568 n = sc->variables * (2 * sizeof(ngx_http_script_copy_code_t) |
2dcbcfc1a8d1
split ngx_http_script_compile()
Igor Sysoev <igor@sysoev.ru>
parents:
2547
diff
changeset
|
569 + sizeof(ngx_http_script_var_code_t)) |
2dcbcfc1a8d1
split ngx_http_script_compile()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
570 + sizeof(uintptr_t); |
2dcbcfc1a8d1
split ngx_http_script_compile()
Igor Sysoev <igor@sysoev.ru>
parents:
2547
diff
changeset
|
571 |
2dcbcfc1a8d1
split ngx_http_script_compile()
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parents:
2547
diff
changeset
|
572 *sc->lengths = ngx_array_create(sc->cf->pool, n, 1); |
2dcbcfc1a8d1
split ngx_http_script_compile()
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parents:
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diff
changeset
|
573 if (*sc->lengths == NULL) { |
2dcbcfc1a8d1
split ngx_http_script_compile()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
574 return NGX_ERROR; |
2dcbcfc1a8d1
split ngx_http_script_compile()
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diff
changeset
|
575 } |
2dcbcfc1a8d1
split ngx_http_script_compile()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
576 } |
2dcbcfc1a8d1
split ngx_http_script_compile()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
577 |
2dcbcfc1a8d1
split ngx_http_script_compile()
Igor Sysoev <igor@sysoev.ru>
parents:
2547
diff
changeset
|
578 if (*sc->values == NULL) { |
2dcbcfc1a8d1
split ngx_http_script_compile()
Igor Sysoev <igor@sysoev.ru>
parents:
2547
diff
changeset
|
579 n = (sc->variables * (2 * sizeof(ngx_http_script_copy_code_t) |
2dcbcfc1a8d1
split ngx_http_script_compile()
Igor Sysoev <igor@sysoev.ru>
parents:
2547
diff
changeset
|
580 + sizeof(ngx_http_script_var_code_t)) |
2dcbcfc1a8d1
split ngx_http_script_compile()
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parents:
2547
diff
changeset
|
581 + sizeof(uintptr_t) |
2dcbcfc1a8d1
split ngx_http_script_compile()
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parents:
2547
diff
changeset
|
582 + sc->source->len |
2dcbcfc1a8d1
split ngx_http_script_compile()
Igor Sysoev <igor@sysoev.ru>
parents:
2547
diff
changeset
|
583 + sizeof(uintptr_t) - 1) |
2dcbcfc1a8d1
split ngx_http_script_compile()
Igor Sysoev <igor@sysoev.ru>
parents:
2547
diff
changeset
|
584 & ~(sizeof(uintptr_t) - 1); |
2dcbcfc1a8d1
split ngx_http_script_compile()
Igor Sysoev <igor@sysoev.ru>
parents:
2547
diff
changeset
|
585 |
2dcbcfc1a8d1
split ngx_http_script_compile()
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parents:
2547
diff
changeset
|
586 *sc->values = ngx_array_create(sc->cf->pool, n, 1); |
2dcbcfc1a8d1
split ngx_http_script_compile()
Igor Sysoev <igor@sysoev.ru>
parents:
2547
diff
changeset
|
587 if (*sc->values == NULL) { |
2dcbcfc1a8d1
split ngx_http_script_compile()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
588 return NGX_ERROR; |
2dcbcfc1a8d1
split ngx_http_script_compile()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
589 } |
2dcbcfc1a8d1
split ngx_http_script_compile()
Igor Sysoev <igor@sysoev.ru>
parents:
2547
diff
changeset
|
590 } |
2dcbcfc1a8d1
split ngx_http_script_compile()
Igor Sysoev <igor@sysoev.ru>
parents:
2547
diff
changeset
|
591 |
2dcbcfc1a8d1
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parents:
2547
diff
changeset
|
592 sc->variables = 0; |
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593 |
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594 return NGX_OK; |
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595 } |
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596 |
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597 |
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598 static ngx_int_t |
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599 ngx_http_script_done(ngx_http_script_compile_t *sc) |
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600 { |
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601 ngx_str_t zero; |
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602 uintptr_t *code; |
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603 |
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604 if (sc->zero) { |
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605 |
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606 zero.len = 1; |
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607 zero.data = (u_char *) "\0"; |
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608 |
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609 if (ngx_http_script_add_copy_code(sc, &zero, 0) != NGX_OK) { |
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610 return NGX_ERROR; |
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611 } |
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612 } |
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613 |
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614 if (sc->conf_prefix || sc->root_prefix) { |
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615 if (ngx_http_script_add_full_name_code(sc) != NGX_OK) { |
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616 return NGX_ERROR; |
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617 } |
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618 } |
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619 |
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620 if (sc->complete_lengths) { |
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621 code = ngx_http_script_add_code(*sc->lengths, sizeof(uintptr_t), NULL); |
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622 if (code == NULL) { |
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623 return NGX_ERROR; |
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624 } |
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625 |
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626 *code = (uintptr_t) NULL; |
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627 } |
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628 |
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629 if (sc->complete_values) { |
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630 code = ngx_http_script_add_code(*sc->values, sizeof(uintptr_t), |
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631 &sc->main); |
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632 if (code == NULL) { |
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633 return NGX_ERROR; |
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634 } |
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635 |
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636 *code = (uintptr_t) NULL; |
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637 } |
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638 |
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639 return NGX_OK; |
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640 } |
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641 |
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642 |
509 | 643 void * |
507 | 644 ngx_http_script_start_code(ngx_pool_t *pool, ngx_array_t **codes, size_t size) |
479 | 645 { |
507 | 646 if (*codes == NULL) { |
647 *codes = ngx_array_create(pool, 256, 1); | |
648 if (*codes == NULL) { | |
649 return NULL; | |
650 } | |
651 } | |
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652 |
507 | 653 return ngx_array_push_n(*codes, size); |
654 } | |
655 | |
509 | 656 |
657 void * | |
658 ngx_http_script_add_code(ngx_array_t *codes, size_t size, void *code) | |
659 { | |
660 u_char *elts, **p; | |
661 void *new; | |
662 | |
663 elts = codes->elts; | |
664 | |
665 new = ngx_array_push_n(codes, size); | |
666 if (new == NULL) { | |
2911 | 667 return NULL; |
509 | 668 } |
669 | |
670 if (code) { | |
671 if (elts != codes->elts) { | |
672 p = code; | |
673 *p += (u_char *) codes->elts - elts; | |
674 } | |
675 } | |
676 | |
677 return new; | |
678 } | |
507 | 679 |
479 | 680 |
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681 static ngx_int_t |
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682 ngx_http_script_add_copy_code(ngx_http_script_compile_t *sc, ngx_str_t *value, |
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683 ngx_uint_t last) |
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684 { |
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685 u_char *p; |
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686 size_t size, len, zero; |
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687 ngx_http_script_copy_code_t *code; |
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688 |
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689 zero = (sc->zero && last); |
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690 len = value->len + zero; |
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691 |
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692 code = ngx_http_script_add_code(*sc->lengths, |
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693 sizeof(ngx_http_script_copy_code_t), NULL); |
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694 if (code == NULL) { |
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695 return NGX_ERROR; |
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696 } |
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697 |
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698 code->code = (ngx_http_script_code_pt) ngx_http_script_copy_len_code; |
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699 code->len = len; |
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700 |
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701 size = (sizeof(ngx_http_script_copy_code_t) + len + sizeof(uintptr_t) - 1) |
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702 & ~(sizeof(uintptr_t) - 1); |
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703 |
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704 code = ngx_http_script_add_code(*sc->values, size, &sc->main); |
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705 if (code == NULL) { |
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706 return NGX_ERROR; |
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707 } |
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708 |
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709 code->code = ngx_http_script_copy_code; |
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710 code->len = len; |
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711 |
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712 p = ngx_cpymem((u_char *) code + sizeof(ngx_http_script_copy_code_t), |
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713 value->data, value->len); |
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714 |
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715 if (zero) { |
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716 *p = '\0'; |
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717 sc->zero = 0; |
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718 } |
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719 |
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720 return NGX_OK; |
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721 } |
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722 |
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723 |
507 | 724 size_t |
509 | 725 ngx_http_script_copy_len_code(ngx_http_script_engine_t *e) |
507 | 726 { |
727 ngx_http_script_copy_code_t *code; | |
479 | 728 |
509 | 729 code = (ngx_http_script_copy_code_t *) e->ip; |
507 | 730 |
509 | 731 e->ip += sizeof(ngx_http_script_copy_code_t); |
507 | 732 |
733 return code->len; | |
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734 } |
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735 |
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736 |
507 | 737 void |
509 | 738 ngx_http_script_copy_code(ngx_http_script_engine_t *e) |
99
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739 { |
2393 | 740 u_char *p; |
507 | 741 ngx_http_script_copy_code_t *code; |
742 | |
509 | 743 code = (ngx_http_script_copy_code_t *) e->ip; |
744 | |
2393 | 745 p = e->pos; |
746 | |
509 | 747 if (!e->skip) { |
2393 | 748 e->pos = ngx_copy(p, e->ip + sizeof(ngx_http_script_copy_code_t), |
573 | 749 code->len); |
509 | 750 } |
507 | 751 |
509 | 752 e->ip += sizeof(ngx_http_script_copy_code_t) |
753 + ((code->len + sizeof(uintptr_t) - 1) & ~(sizeof(uintptr_t) - 1)); | |
507 | 754 |
2393 | 755 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, |
756 "http script copy: \"%*s\"", e->pos - p, p); | |
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757 } |
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758 |
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759 |
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760 static ngx_int_t |
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761 ngx_http_script_add_var_code(ngx_http_script_compile_t *sc, ngx_str_t *name) |
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762 { |
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763 ngx_int_t index, *p; |
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764 ngx_http_script_var_code_t *code; |
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765 |
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766 index = ngx_http_get_variable_index(sc->cf, name); |
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767 |
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768 if (index == NGX_ERROR) { |
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769 return NGX_ERROR; |
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770 } |
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771 |
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772 if (sc->flushes) { |
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773 p = ngx_array_push(*sc->flushes); |
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774 if (p == NULL) { |
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775 return NGX_ERROR; |
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776 } |
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777 |
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778 *p = index; |
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779 } |
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780 |
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781 code = ngx_http_script_add_code(*sc->lengths, |
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782 sizeof(ngx_http_script_var_code_t), NULL); |
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783 if (code == NULL) { |
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784 return NGX_ERROR; |
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785 } |
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786 |
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787 code->code = (ngx_http_script_code_pt) ngx_http_script_copy_var_len_code; |
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788 code->index = (uintptr_t) index; |
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789 |
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790 code = ngx_http_script_add_code(*sc->values, |
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791 sizeof(ngx_http_script_var_code_t), |
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792 &sc->main); |
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793 if (code == NULL) { |
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794 return NGX_ERROR; |
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795 } |
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796 |
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797 code->code = ngx_http_script_copy_var_code; |
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798 code->index = (uintptr_t) index; |
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799 |
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800 return NGX_OK; |
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801 } |
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802 |
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803 |
507 | 804 size_t |
509 | 805 ngx_http_script_copy_var_len_code(ngx_http_script_engine_t *e) |
99
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806 { |
507 | 807 ngx_http_variable_value_t *value; |
808 ngx_http_script_var_code_t *code; | |
809 | |
509 | 810 code = (ngx_http_script_var_code_t *) e->ip; |
507 | 811 |
509 | 812 e->ip += sizeof(ngx_http_script_var_code_t); |
507 | 813 |
573 | 814 if (e->flushed) { |
815 value = ngx_http_get_indexed_variable(e->request, code->index); | |
507 | 816 |
573 | 817 } else { |
818 value = ngx_http_get_flushed_variable(e->request, code->index); | |
819 } | |
820 | |
821 if (value && !value->not_found) { | |
822 return value->len; | |
507 | 823 } |
824 | |
553 | 825 return 0; |
99
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826 } |
479 | 827 |
828 | |
507 | 829 void |
509 | 830 ngx_http_script_copy_var_code(ngx_http_script_engine_t *e) |
479 | 831 { |
2393 | 832 u_char *p; |
507 | 833 ngx_http_variable_value_t *value; |
834 ngx_http_script_var_code_t *code; | |
835 | |
509 | 836 code = (ngx_http_script_var_code_t *) e->ip; |
837 | |
838 e->ip += sizeof(ngx_http_script_var_code_t); | |
839 | |
840 if (!e->skip) { | |
573 | 841 |
842 if (e->flushed) { | |
843 value = ngx_http_get_indexed_variable(e->request, code->index); | |
509 | 844 |
573 | 845 } else { |
846 value = ngx_http_get_flushed_variable(e->request, code->index); | |
847 } | |
848 | |
849 if (value && !value->not_found) { | |
2393 | 850 p = e->pos; |
851 e->pos = ngx_copy(p, value->data, value->len); | |
509 | 852 |
2393 | 853 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, |
845
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854 e->request->connection->log, 0, |
2393 | 855 "http script var: \"%*s\"", e->pos - p, p); |
509 | 856 } |
857 } | |
858 } | |
859 | |
860 | |
2577
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861 static ngx_int_t |
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862 ngx_http_script_add_args_code(ngx_http_script_compile_t *sc) |
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863 { |
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864 uintptr_t *code; |
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865 |
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866 code = ngx_http_script_add_code(*sc->lengths, sizeof(uintptr_t), NULL); |
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867 if (code == NULL) { |
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868 return NGX_ERROR; |
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869 } |
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870 |
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871 *code = (uintptr_t) ngx_http_script_mark_args_code; |
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872 |
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873 code = ngx_http_script_add_code(*sc->values, sizeof(uintptr_t), &sc->main); |
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874 if (code == NULL) { |
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875 return NGX_ERROR; |
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876 } |
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877 |
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878 *code = (uintptr_t) ngx_http_script_start_args_code; |
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879 |
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880 return NGX_OK; |
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881 } |
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882 |
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883 |
509 | 884 size_t |
1891
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885 ngx_http_script_mark_args_code(ngx_http_script_engine_t *e) |
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886 { |
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887 e->is_args = 1; |
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888 e->ip += sizeof(uintptr_t); |
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889 |
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890 return 1; |
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891 } |
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892 |
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893 |
509 | 894 void |
895 ngx_http_script_start_args_code(ngx_http_script_engine_t *e) | |
896 { | |
897 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
898 "http script args"); | |
577 | 899 |
2225
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900 e->is_args = 1; |
509 | 901 e->args = e->pos; |
902 e->ip += sizeof(uintptr_t); | |
903 } | |
904 | |
905 | |
517 | 906 #if (NGX_PCRE) |
907 | |
509 | 908 void |
909 ngx_http_script_regex_start_code(ngx_http_script_engine_t *e) | |
910 { | |
911 size_t len; | |
912 ngx_int_t rc; | |
913 ngx_uint_t n; | |
914 ngx_http_request_t *r; | |
915 ngx_http_script_engine_t le; | |
916 ngx_http_script_len_code_pt lcode; | |
917 ngx_http_script_regex_code_t *code; | |
918 | |
919 code = (ngx_http_script_regex_code_t *) e->ip; | |
920 | |
921 r = e->request; | |
922 | |
923 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
924 "http script regex: \"%V\"", &code->name); | |
925 | |
926 if (code->uri) { | |
515 | 927 e->line = r->uri; |
509 | 928 } else { |
929 e->sp--; | |
573 | 930 e->line.len = e->sp->len; |
931 e->line.data = e->sp->data; | |
509 | 932 } |
507 | 933 |
3325 | 934 rc = ngx_http_regex_exec(r, code->regex, &e->line); |
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935 |
3325 | 936 if (rc == NGX_DECLINED) { |
2397 | 937 if (e->log || (r->connection->log->log_level & NGX_LOG_DEBUG_HTTP)) { |
509 | 938 ngx_log_error(NGX_LOG_NOTICE, r->connection->log, 0, |
515 | 939 "\"%V\" does not match \"%V\"", |
940 &code->name, &e->line); | |
509 | 941 } |
942 | |
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943 r->ncaptures = 0; |
515 | 944 |
509 | 945 if (code->test) { |
631 | 946 if (code->negative_test) { |
947 e->sp->len = 1; | |
948 e->sp->data = (u_char *) "1"; | |
949 | |
950 } else { | |
951 e->sp->len = 0; | |
952 e->sp->data = (u_char *) ""; | |
953 } | |
954 | |
509 | 955 e->sp++; |
956 | |
957 e->ip += sizeof(ngx_http_script_regex_code_t); | |
958 return; | |
959 } | |
960 | |
961 e->ip += code->next; | |
962 return; | |
963 } | |
964 | |
3325 | 965 if (rc == NGX_ERROR) { |
509 | 966 e->ip = ngx_http_script_exit; |
967 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
968 return; | |
969 } | |
970 | |
2397 | 971 if (e->log || (r->connection->log->log_level & NGX_LOG_DEBUG_HTTP)) { |
509 | 972 ngx_log_error(NGX_LOG_NOTICE, r->connection->log, 0, |
515 | 973 "\"%V\" matches \"%V\"", &code->name, &e->line); |
509 | 974 } |
975 | |
976 if (code->test) { | |
631 | 977 if (code->negative_test) { |
978 e->sp->len = 0; | |
979 e->sp->data = (u_char *) ""; | |
980 | |
981 } else { | |
982 e->sp->len = 1; | |
983 e->sp->data = (u_char *) "1"; | |
984 } | |
985 | |
509 | 986 e->sp++; |
987 | |
988 e->ip += sizeof(ngx_http_script_regex_code_t); | |
989 return; | |
990 } | |
991 | |
992 if (code->status) { | |
993 e->status = code->status; | |
507 | 994 |
509 | 995 if (!code->redirect) { |
996 e->ip = ngx_http_script_exit; | |
997 return; | |
998 } | |
999 } | |
1000 | |
1001 if (code->uri) { | |
1002 r->internal = 1; | |
1003 r->valid_unparsed_uri = 0; | |
1004 | |
1005 if (code->break_cycle) { | |
1006 r->valid_location = 0; | |
527 | 1007 r->uri_changed = 0; |
509 | 1008 |
1009 } else { | |
1010 r->uri_changed = 1; | |
1011 } | |
1012 } | |
1013 | |
1014 if (code->lengths == NULL) { | |
1015 e->buf.len = code->size; | |
1016 | |
1017 if (code->uri) { | |
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1018 if (r->ncaptures && (r->quoted_uri || r->plus_in_uri)) { |
509 | 1019 e->buf.len += 2 * ngx_escape_uri(NULL, r->uri.data, r->uri.len, |
1020 NGX_ESCAPE_ARGS); | |
1021 } | |
1022 } | |
1023 | |
3344
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fix captures in "rewrite", the bug had been introduced in r3326
Igor Sysoev <igor@sysoev.ru>
parents:
3325
diff
changeset
|
1024 for (n = 2; n < r->ncaptures; n += 2) { |
1aed55182ea2
fix captures in "rewrite", the bug had been introduced in r3326
Igor Sysoev <igor@sysoev.ru>
parents:
3325
diff
changeset
|
1025 e->buf.len += r->captures[n + 1] - r->captures[n]; |
509 | 1026 } |
1027 | |
1028 } else { | |
1029 ngx_memzero(&le, sizeof(ngx_http_script_engine_t)); | |
1030 | |
1031 le.ip = code->lengths->elts; | |
679 | 1032 le.line = e->line; |
509 | 1033 le.request = r; |
679 | 1034 le.quote = code->redirect; |
509 | 1035 |
1891
782af1038115
length calculation did not take into account escaped symbols in arguments
Igor Sysoev <igor@sysoev.ru>
parents:
1799
diff
changeset
|
1036 len = 0; |
509 | 1037 |
1038 while (*(uintptr_t *) le.ip) { | |
1039 lcode = *(ngx_http_script_len_code_pt *) le.ip; | |
1040 len += lcode(&le); | |
1041 } | |
1042 | |
1043 e->buf.len = len; | |
1044 } | |
1045 | |
515 | 1046 if (code->add_args && r->args.len) { |
509 | 1047 e->buf.len += r->args.len + 1; |
1048 } | |
1049 | |
2049 | 1050 e->buf.data = ngx_pnalloc(r->pool, e->buf.len); |
509 | 1051 if (e->buf.data == NULL) { |
1052 e->ip = ngx_http_script_exit; | |
1053 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
507 | 1054 return; |
1055 } | |
1056 | |
509 | 1057 e->quote = code->redirect; |
1058 | |
1059 e->pos = e->buf.data; | |
1060 | |
1061 e->ip += sizeof(ngx_http_script_regex_code_t); | |
1062 } | |
1063 | |
1064 | |
1065 void | |
1066 ngx_http_script_regex_end_code(ngx_http_script_engine_t *e) | |
1067 { | |
577 | 1068 u_char *dst, *src; |
509 | 1069 ngx_http_request_t *r; |
1070 ngx_http_script_regex_end_code_t *code; | |
1071 | |
1072 code = (ngx_http_script_regex_end_code_t *) e->ip; | |
1073 | |
1074 r = e->request; | |
1075 | |
1076 e->quote = 0; | |
1077 | |
1078 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
1079 "http script regex end"); | |
1080 | |
1081 if (code->redirect) { | |
1082 | |
577 | 1083 dst = e->buf.data; |
1084 src = e->buf.data; | |
1085 | |
1593 | 1086 ngx_unescape_uri(&dst, &src, e->pos - e->buf.data, |
1087 NGX_UNESCAPE_REDIRECT); | |
577 | 1088 |
1089 if (src < e->pos) { | |
3887
e7798b5e990a
use memmove() in appropriate places
Igor Sysoev <igor@sysoev.ru>
parents:
3761
diff
changeset
|
1090 dst = ngx_movemem(dst, src, e->pos - src); |
577 | 1091 } |
1092 | |
1093 e->pos = dst; | |
1094 | |
1095 if (code->add_args && r->args.len) { | |
509 | 1096 *e->pos++ = (u_char) (code->args ? '&' : '?'); |
573 | 1097 e->pos = ngx_copy(e->pos, r->args.data, r->args.len); |
509 | 1098 } |
1099 | |
1100 e->buf.len = e->pos - e->buf.data; | |
1101 | |
2397 | 1102 if (e->log || (r->connection->log->log_level & NGX_LOG_DEBUG_HTTP)) { |
509 | 1103 ngx_log_error(NGX_LOG_NOTICE, r->connection->log, 0, |
1104 "rewritten redirect: \"%V\"", &e->buf); | |
1105 } | |
1106 | |
4206
1a94a56a4e5d
Clear old Location header (if any) while adding a new one.
Maxim Dounin <mdounin@mdounin.ru>
parents:
3904
diff
changeset
|
1107 ngx_http_clear_location(r); |
1a94a56a4e5d
Clear old Location header (if any) while adding a new one.
Maxim Dounin <mdounin@mdounin.ru>
parents:
3904
diff
changeset
|
1108 |
509 | 1109 r->headers_out.location = ngx_list_push(&r->headers_out.headers); |
1110 if (r->headers_out.location == NULL) { | |
1111 e->ip = ngx_http_script_exit; | |
1112 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
1113 return; | |
1114 } | |
1115 | |
577 | 1116 r->headers_out.location->hash = 1; |
3516
dd1570b6f237
ngx_str_set() and ngx_str_null()
Igor Sysoev <igor@sysoev.ru>
parents:
3344
diff
changeset
|
1117 ngx_str_set(&r->headers_out.location->key, "Location"); |
509 | 1118 r->headers_out.location->value = e->buf; |
1119 | |
1120 e->ip += sizeof(ngx_http_script_regex_end_code_t); | |
1121 return; | |
1122 } | |
1123 | |
577 | 1124 if (e->args) { |
509 | 1125 e->buf.len = e->args - e->buf.data; |
1126 | |
1127 if (code->add_args && r->args.len) { | |
1128 *e->pos++ = '&'; | |
573 | 1129 e->pos = ngx_copy(e->pos, r->args.data, r->args.len); |
509 | 1130 } |
1131 | |
1132 r->args.len = e->pos - e->args; | |
1133 r->args.data = e->args; | |
1134 | |
1135 e->args = NULL; | |
1136 | |
1137 } else { | |
1138 e->buf.len = e->pos - e->buf.data; | |
673 | 1139 |
1140 if (!code->add_args) { | |
1141 r->args.len = 0; | |
1142 } | |
509 | 1143 } |
1144 | |
2397 | 1145 if (e->log || (r->connection->log->log_level & NGX_LOG_DEBUG_HTTP)) { |
509 | 1146 ngx_log_error(NGX_LOG_NOTICE, r->connection->log, 0, |
1147 "rewritten data: \"%V\", args: \"%V\"", | |
1148 &e->buf, &r->args); | |
1149 } | |
1150 | |
1151 if (code->uri) { | |
1152 r->uri = e->buf; | |
1153 | |
535 | 1154 if (r->uri.len == 0) { |
1155 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
1156 "the rewritten URI has a zero length"); | |
1157 e->ip = ngx_http_script_exit; | |
1158 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
1159 return; | |
1160 } | |
1161 | |
2979
b941147f2b2e
ngx_http_set_exten() is always successful since 0.3.46
Igor Sysoev <igor@sysoev.ru>
parents:
2911
diff
changeset
|
1162 ngx_http_set_exten(r); |
509 | 1163 } |
1164 | |
1165 e->ip += sizeof(ngx_http_script_regex_end_code_t); | |
1166 } | |
1167 | |
2547
912ce4113f21
now regex captures are per-request entities
Igor Sysoev <igor@sysoev.ru>
parents:
2498
diff
changeset
|
1168 |
2577
2dcbcfc1a8d1
split ngx_http_script_compile()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1169 static ngx_int_t |
2dcbcfc1a8d1
split ngx_http_script_compile()
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parents:
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diff
changeset
|
1170 ngx_http_script_add_capture_code(ngx_http_script_compile_t *sc, ngx_uint_t n) |
2dcbcfc1a8d1
split ngx_http_script_compile()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
1171 { |
2dcbcfc1a8d1
split ngx_http_script_compile()
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parents:
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diff
changeset
|
1172 ngx_http_script_copy_capture_code_t *code; |
2dcbcfc1a8d1
split ngx_http_script_compile()
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parents:
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diff
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|
1173 |
2dcbcfc1a8d1
split ngx_http_script_compile()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
1174 code = ngx_http_script_add_code(*sc->lengths, |
2dcbcfc1a8d1
split ngx_http_script_compile()
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parents:
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diff
changeset
|
1175 sizeof(ngx_http_script_copy_capture_code_t), |
2dcbcfc1a8d1
split ngx_http_script_compile()
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|
1176 NULL); |
2dcbcfc1a8d1
split ngx_http_script_compile()
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|
1177 if (code == NULL) { |
2dcbcfc1a8d1
split ngx_http_script_compile()
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|
1178 return NGX_ERROR; |
2dcbcfc1a8d1
split ngx_http_script_compile()
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|
1179 } |
2dcbcfc1a8d1
split ngx_http_script_compile()
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parents:
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diff
changeset
|
1180 |
2dcbcfc1a8d1
split ngx_http_script_compile()
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|
1181 code->code = (ngx_http_script_code_pt) |
2dcbcfc1a8d1
split ngx_http_script_compile()
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changeset
|
1182 ngx_http_script_copy_capture_len_code; |
2dcbcfc1a8d1
split ngx_http_script_compile()
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|
1183 code->n = 2 * n; |
2dcbcfc1a8d1
split ngx_http_script_compile()
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|
1184 |
2dcbcfc1a8d1
split ngx_http_script_compile()
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|
1185 |
2dcbcfc1a8d1
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|
1186 code = ngx_http_script_add_code(*sc->values, |
2dcbcfc1a8d1
split ngx_http_script_compile()
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changeset
|
1187 sizeof(ngx_http_script_copy_capture_code_t), |
2dcbcfc1a8d1
split ngx_http_script_compile()
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parents:
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diff
changeset
|
1188 &sc->main); |
2dcbcfc1a8d1
split ngx_http_script_compile()
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parents:
2547
diff
changeset
|
1189 if (code == NULL) { |
2dcbcfc1a8d1
split ngx_http_script_compile()
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parents:
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diff
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|
1190 return NGX_ERROR; |
2dcbcfc1a8d1
split ngx_http_script_compile()
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parents:
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diff
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|
1191 } |
2dcbcfc1a8d1
split ngx_http_script_compile()
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parents:
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diff
changeset
|
1192 |
2dcbcfc1a8d1
split ngx_http_script_compile()
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parents:
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diff
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|
1193 code->code = ngx_http_script_copy_capture_code; |
2dcbcfc1a8d1
split ngx_http_script_compile()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1194 code->n = 2 * n; |
2dcbcfc1a8d1
split ngx_http_script_compile()
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parents:
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diff
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|
1195 |
2dcbcfc1a8d1
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parents:
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diff
changeset
|
1196 if (sc->ncaptures < n) { |
2dcbcfc1a8d1
split ngx_http_script_compile()
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parents:
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diff
changeset
|
1197 sc->ncaptures = n; |
2dcbcfc1a8d1
split ngx_http_script_compile()
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parents:
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diff
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|
1198 } |
2dcbcfc1a8d1
split ngx_http_script_compile()
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parents:
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diff
changeset
|
1199 |
2dcbcfc1a8d1
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|
1200 return NGX_OK; |
2dcbcfc1a8d1
split ngx_http_script_compile()
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parents:
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diff
changeset
|
1201 } |
2dcbcfc1a8d1
split ngx_http_script_compile()
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parents:
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diff
changeset
|
1202 |
2dcbcfc1a8d1
split ngx_http_script_compile()
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diff
changeset
|
1203 |
2547
912ce4113f21
now regex captures are per-request entities
Igor Sysoev <igor@sysoev.ru>
parents:
2498
diff
changeset
|
1204 size_t |
912ce4113f21
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1205 ngx_http_script_copy_capture_len_code(ngx_http_script_engine_t *e) |
912ce4113f21
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parents:
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changeset
|
1206 { |
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changeset
|
1207 int *cap; |
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parents:
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changeset
|
1208 u_char *p; |
912ce4113f21
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parents:
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diff
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|
1209 ngx_uint_t n; |
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parents:
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|
1210 ngx_http_request_t *r; |
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parents:
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|
1211 ngx_http_script_copy_capture_code_t *code; |
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|
1212 |
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|
1213 r = e->request; |
912ce4113f21
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|
1214 |
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|
1215 code = (ngx_http_script_copy_capture_code_t *) e->ip; |
912ce4113f21
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changeset
|
1216 |
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changeset
|
1217 e->ip += sizeof(ngx_http_script_copy_capture_code_t); |
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changeset
|
1218 |
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|
1219 n = code->n; |
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|
1220 |
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|
1221 if (n < r->ncaptures) { |
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|
1222 |
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|
1223 cap = r->captures; |
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|
1224 |
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|
1225 if ((e->is_args || e->quote) |
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|
1226 && (e->request->quoted_uri || e->request->plus_in_uri)) |
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changeset
|
1227 { |
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changeset
|
1228 p = r->captures_data; |
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parents:
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changeset
|
1229 |
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changeset
|
1230 return cap[n + 1] - cap[n] |
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parents:
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|
1231 + 2 * ngx_escape_uri(NULL, &p[cap[n]], cap[n + 1] - cap[n], |
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|
1232 NGX_ESCAPE_ARGS); |
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|
1233 } else { |
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|
1234 return cap[n + 1] - cap[n]; |
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|
1235 } |
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|
1236 } |
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|
1237 |
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|
1238 return 0; |
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|
1239 } |
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|
1240 |
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|
1241 |
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changeset
|
1242 void |
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changeset
|
1243 ngx_http_script_copy_capture_code(ngx_http_script_engine_t *e) |
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|
1244 { |
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changeset
|
1245 int *cap; |
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changeset
|
1246 u_char *p, *pos; |
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changeset
|
1247 ngx_uint_t n; |
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changeset
|
1248 ngx_http_request_t *r; |
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changeset
|
1249 ngx_http_script_copy_capture_code_t *code; |
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changeset
|
1250 |
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1251 r = e->request; |
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1252 |
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1253 code = (ngx_http_script_copy_capture_code_t *) e->ip; |
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1254 |
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1255 e->ip += sizeof(ngx_http_script_copy_capture_code_t); |
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1256 |
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1257 n = code->n; |
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1258 |
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1259 pos = e->pos; |
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1260 |
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1261 if (n < r->ncaptures) { |
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1262 |
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1263 cap = r->captures; |
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1264 p = r->captures_data; |
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1265 |
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1266 if ((e->is_args || e->quote) |
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1267 && (e->request->quoted_uri || e->request->plus_in_uri)) |
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1268 { |
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1269 e->pos = (u_char *) ngx_escape_uri(pos, &p[cap[n]], |
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1270 cap[n + 1] - cap[n], |
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1271 NGX_ESCAPE_ARGS); |
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1272 } else { |
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1273 e->pos = ngx_copy(pos, &p[cap[n]], cap[n + 1] - cap[n]); |
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1274 } |
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1275 } |
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1276 |
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1277 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, |
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1278 "http script capture: \"%*s\"", e->pos - pos, pos); |
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1279 } |
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1280 |
517 | 1281 #endif |
1282 | |
509 | 1283 |
2587
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1284 static ngx_int_t |
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1285 ngx_http_script_add_full_name_code(ngx_http_script_compile_t *sc) |
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1286 { |
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1287 ngx_http_script_full_name_code_t *code; |
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1288 |
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1289 code = ngx_http_script_add_code(*sc->lengths, |
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1290 sizeof(ngx_http_script_full_name_code_t), |
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1291 NULL); |
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1292 if (code == NULL) { |
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1293 return NGX_ERROR; |
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1294 } |
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1295 |
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1296 code->code = (ngx_http_script_code_pt) ngx_http_script_full_name_len_code; |
2758 | 1297 code->conf_prefix = sc->conf_prefix; |
2587
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1298 |
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1299 code = ngx_http_script_add_code(*sc->values, |
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1300 sizeof(ngx_http_script_full_name_code_t), |
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1301 &sc->main); |
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1302 if (code == NULL) { |
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1303 return NGX_ERROR; |
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1304 } |
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1305 |
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1306 code->code = ngx_http_script_full_name_code; |
2758 | 1307 code->conf_prefix = sc->conf_prefix; |
2587
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1308 |
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1309 return NGX_OK; |
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1310 } |
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1311 |
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1312 |
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1313 static size_t |
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1314 ngx_http_script_full_name_len_code(ngx_http_script_engine_t *e) |
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1315 { |
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1316 ngx_http_script_full_name_code_t *code; |
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1317 |
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1318 code = (ngx_http_script_full_name_code_t *) e->ip; |
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1319 |
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1320 e->ip += sizeof(ngx_http_script_full_name_code_t); |
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1321 |
2758 | 1322 return code->conf_prefix ? ngx_cycle->conf_prefix.len: |
1323 ngx_cycle->prefix.len; | |
2587
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1324 } |
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1325 |
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1326 |
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1327 static void |
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1328 ngx_http_script_full_name_code(ngx_http_script_engine_t *e) |
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1329 { |
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1330 ngx_http_script_full_name_code_t *code; |
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1331 |
5331
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1332 ngx_str_t value, *prefix; |
2587
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1333 |
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1334 code = (ngx_http_script_full_name_code_t *) e->ip; |
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1335 |
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1336 value.data = e->buf.data; |
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1337 value.len = e->pos - e->buf.data; |
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1338 |
5331
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1339 prefix = code->conf_prefix ? (ngx_str_t *) &ngx_cycle->conf_prefix: |
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1340 (ngx_str_t *) &ngx_cycle->prefix; |
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1341 |
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1342 if (ngx_get_full_name(e->request->pool, prefix, &value) != NGX_OK) { |
2587
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1343 e->ip = ngx_http_script_exit; |
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1344 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; |
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1345 return; |
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1346 } |
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1347 |
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1348 e->buf = value; |
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1349 |
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1350 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, |
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1351 "http script fullname: \"%V\"", &value); |
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1352 |
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1353 e->ip += sizeof(ngx_http_script_full_name_code_t); |
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1354 } |
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1355 |
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1356 |
509 | 1357 void |
1358 ngx_http_script_return_code(ngx_http_script_engine_t *e) | |
577 | 1359 { |
509 | 1360 ngx_http_script_return_code_t *code; |
577 | 1361 |
509 | 1362 code = (ngx_http_script_return_code_t *) e->ip; |
1363 | |
3633 | 1364 if (code->status < NGX_HTTP_BAD_REQUEST |
1365 || code->text.value.len | |
1366 || code->text.lengths) | |
1367 { | |
1368 e->status = ngx_http_send_response(e->request, code->status, NULL, | |
1369 &code->text); | |
1370 } else { | |
1371 e->status = code->status; | |
653 | 1372 } |
1373 | |
3633 | 1374 e->ip = ngx_http_script_exit; |
479 | 1375 } |
509 | 1376 |
1377 | |
1378 void | |
527 | 1379 ngx_http_script_break_code(ngx_http_script_engine_t *e) |
1380 { | |
1381 e->request->uri_changed = 0; | |
1382 | |
1383 e->ip = ngx_http_script_exit; | |
1384 } | |
1385 | |
1386 | |
1387 void | |
509 | 1388 ngx_http_script_if_code(ngx_http_script_engine_t *e) |
1389 { | |
1390 ngx_http_script_if_code_t *code; | |
1391 | |
1392 code = (ngx_http_script_if_code_t *) e->ip; | |
1393 | |
1394 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
1395 "http script if"); | |
1396 | |
1397 e->sp--; | |
1398 | |
5426 | 1399 if (e->sp->len && (e->sp->len != 1 || e->sp->data[0] != '0')) { |
509 | 1400 if (code->loc_conf) { |
1401 e->request->loc_conf = code->loc_conf; | |
535 | 1402 ngx_http_update_location_config(e->request); |
509 | 1403 } |
1404 | |
1405 e->ip += sizeof(ngx_http_script_if_code_t); | |
1406 return; | |
1407 } | |
1408 | |
1409 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
577 | 1410 "http script if: false"); |
509 | 1411 |
1412 e->ip += code->next; | |
1413 } | |
1414 | |
1415 | |
1416 void | |
577 | 1417 ngx_http_script_equal_code(ngx_http_script_engine_t *e) |
1418 { | |
1419 ngx_http_variable_value_t *val, *res; | |
1420 | |
1421 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
1422 "http script equal"); | |
1423 | |
1424 e->sp--; | |
1425 val = e->sp; | |
1426 res = e->sp - 1; | |
1427 | |
1428 e->ip += sizeof(uintptr_t); | |
1429 | |
2393 | 1430 if (val->len == res->len |
1431 && ngx_strncmp(val->data, res->data, res->len) == 0) | |
577 | 1432 { |
1433 *res = ngx_http_variable_true_value; | |
1434 return; | |
1435 } | |
1436 | |
1437 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
1438 "http script equal: no"); | |
1439 | |
1440 *res = ngx_http_variable_null_value; | |
1441 } | |
1442 | |
1443 | |
1444 void | |
1445 ngx_http_script_not_equal_code(ngx_http_script_engine_t *e) | |
1446 { | |
1447 ngx_http_variable_value_t *val, *res; | |
1448 | |
1449 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
1450 "http script not equal"); | |
1451 | |
1452 e->sp--; | |
1453 val = e->sp; | |
1454 res = e->sp - 1; | |
1455 | |
1456 e->ip += sizeof(uintptr_t); | |
1457 | |
2393 | 1458 if (val->len == res->len |
1459 && ngx_strncmp(val->data, res->data, res->len) == 0) | |
577 | 1460 { |
1461 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
1462 "http script not equal: no"); | |
1463 | |
1464 *res = ngx_http_variable_null_value; | |
1465 return; | |
1466 } | |
1467 | |
1468 *res = ngx_http_variable_true_value; | |
1469 } | |
1470 | |
1471 | |
1472 void | |
631 | 1473 ngx_http_script_file_code(ngx_http_script_engine_t *e) |
1474 { | |
1454 | 1475 ngx_str_t path; |
1476 ngx_http_request_t *r; | |
1477 ngx_open_file_info_t of; | |
1478 ngx_http_core_loc_conf_t *clcf; | |
631 | 1479 ngx_http_variable_value_t *value; |
1480 ngx_http_script_file_code_t *code; | |
1481 | |
1482 value = e->sp - 1; | |
1483 | |
1484 code = (ngx_http_script_file_code_t *) e->ip; | |
1485 e->ip += sizeof(ngx_http_script_file_code_t); | |
1486 | |
1454 | 1487 path.len = value->len - 1; |
1488 path.data = value->data; | |
1489 | |
1490 r = e->request; | |
1491 | |
1492 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
6480 | 1493 "http script file op %p \"%V\"", (void *) code->op, &path); |
1454 | 1494 |
1495 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
631 | 1496 |
2068
75a8d34459c5
ngx_memzero() ngx_open_file_info_t
Igor Sysoev <igor@sysoev.ru>
parents:
2063
diff
changeset
|
1497 ngx_memzero(&of, sizeof(ngx_open_file_info_t)); |
75a8d34459c5
ngx_memzero() ngx_open_file_info_t
Igor Sysoev <igor@sysoev.ru>
parents:
2063
diff
changeset
|
1498 |
3178 | 1499 of.read_ahead = clcf->read_ahead; |
2129 | 1500 of.directio = clcf->directio; |
1767
c42431762903
open_file_cache_retest > open_file_cache_valid
Igor Sysoev <igor@sysoev.ru>
parents:
1593
diff
changeset
|
1501 of.valid = clcf->open_file_cache_valid; |
1772 | 1502 of.min_uses = clcf->open_file_cache_min_uses; |
2756
09cab3f8d92e
*) of.test_only to not open file if only stat() is enough
Igor Sysoev <igor@sysoev.ru>
parents:
2609
diff
changeset
|
1503 of.test_only = 1; |
1454 | 1504 of.errors = clcf->open_file_cache_errors; |
1457 | 1505 of.events = clcf->open_file_cache_events; |
4494
13e09cf11d4e
Disable symlinks: initialization of the "disable_symlinks" field in
Valentin Bartenev <vbart@nginx.com>
parents:
4478
diff
changeset
|
1506 |
13e09cf11d4e
Disable symlinks: initialization of the "disable_symlinks" field in
Valentin Bartenev <vbart@nginx.com>
parents:
4478
diff
changeset
|
1507 if (ngx_http_set_disable_symlinks(r, clcf, &path, &of) != NGX_OK) { |
13e09cf11d4e
Disable symlinks: initialization of the "disable_symlinks" field in
Valentin Bartenev <vbart@nginx.com>
parents:
4478
diff
changeset
|
1508 e->ip = ngx_http_script_exit; |
13e09cf11d4e
Disable symlinks: initialization of the "disable_symlinks" field in
Valentin Bartenev <vbart@nginx.com>
parents:
4478
diff
changeset
|
1509 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; |
13e09cf11d4e
Disable symlinks: initialization of the "disable_symlinks" field in
Valentin Bartenev <vbart@nginx.com>
parents:
4478
diff
changeset
|
1510 return; |
13e09cf11d4e
Disable symlinks: initialization of the "disable_symlinks" field in
Valentin Bartenev <vbart@nginx.com>
parents:
4478
diff
changeset
|
1511 } |
631 | 1512 |
1454 | 1513 if (ngx_open_cached_file(clcf->open_file_cache, &path, &of, r->pool) |
1799 | 1514 != NGX_OK) |
1454 | 1515 { |
6948
3fb9b5eb75c0
Fixed ngx_open_cached_file() error handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
6940
diff
changeset
|
1516 if (of.err == 0) { |
3fb9b5eb75c0
Fixed ngx_open_cached_file() error handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
6940
diff
changeset
|
1517 e->ip = ngx_http_script_exit; |
3fb9b5eb75c0
Fixed ngx_open_cached_file() error handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
6940
diff
changeset
|
1518 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; |
3fb9b5eb75c0
Fixed ngx_open_cached_file() error handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
6940
diff
changeset
|
1519 return; |
3fb9b5eb75c0
Fixed ngx_open_cached_file() error handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
6940
diff
changeset
|
1520 } |
3fb9b5eb75c0
Fixed ngx_open_cached_file() error handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
6940
diff
changeset
|
1521 |
3160
a7637c2c1157
low ENAMETOOLONG logging level
Igor Sysoev <igor@sysoev.ru>
parents:
2979
diff
changeset
|
1522 if (of.err != NGX_ENOENT |
a7637c2c1157
low ENAMETOOLONG logging level
Igor Sysoev <igor@sysoev.ru>
parents:
2979
diff
changeset
|
1523 && of.err != NGX_ENOTDIR |
a7637c2c1157
low ENAMETOOLONG logging level
Igor Sysoev <igor@sysoev.ru>
parents:
2979
diff
changeset
|
1524 && of.err != NGX_ENAMETOOLONG) |
a7637c2c1157
low ENAMETOOLONG logging level
Igor Sysoev <igor@sysoev.ru>
parents:
2979
diff
changeset
|
1525 { |
1454 | 1526 ngx_log_error(NGX_LOG_CRIT, r->connection->log, of.err, |
2756
09cab3f8d92e
*) of.test_only to not open file if only stat() is enough
Igor Sysoev <igor@sysoev.ru>
parents:
2609
diff
changeset
|
1527 "%s \"%s\" failed", of.failed, value->data); |
631 | 1528 } |
1529 | |
1530 switch (code->op) { | |
671 | 1531 |
631 | 1532 case ngx_http_script_file_plain: |
669 | 1533 case ngx_http_script_file_dir: |
1534 case ngx_http_script_file_exists: | |
1535 case ngx_http_script_file_exec: | |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1536 goto false_value; |
671 | 1537 |
631 | 1538 case ngx_http_script_file_not_plain: |
669 | 1539 case ngx_http_script_file_not_dir: |
671 | 1540 case ngx_http_script_file_not_exists: |
669 | 1541 case ngx_http_script_file_not_exec: |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1542 goto true_value; |
631 | 1543 } |
1544 | |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1545 goto false_value; |
631 | 1546 } |
1547 | |
1548 switch (code->op) { | |
1549 case ngx_http_script_file_plain: | |
1454 | 1550 if (of.is_file) { |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1551 goto true_value; |
631 | 1552 } |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1553 goto false_value; |
631 | 1554 |
1555 case ngx_http_script_file_not_plain: | |
1454 | 1556 if (of.is_file) { |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1557 goto false_value; |
631 | 1558 } |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1559 goto true_value; |
669 | 1560 |
1561 case ngx_http_script_file_dir: | |
1454 | 1562 if (of.is_dir) { |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1563 goto true_value; |
669 | 1564 } |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1565 goto false_value; |
669 | 1566 |
1567 case ngx_http_script_file_not_dir: | |
1454 | 1568 if (of.is_dir) { |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1569 goto false_value; |
669 | 1570 } |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1571 goto true_value; |
669 | 1572 |
1573 case ngx_http_script_file_exists: | |
1454 | 1574 if (of.is_file || of.is_dir || of.is_link) { |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1575 goto true_value; |
669 | 1576 } |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1577 goto false_value; |
669 | 1578 |
1579 case ngx_http_script_file_not_exists: | |
1454 | 1580 if (of.is_file || of.is_dir || of.is_link) { |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1581 goto false_value; |
669 | 1582 } |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1583 goto true_value; |
669 | 1584 |
1585 case ngx_http_script_file_exec: | |
1454 | 1586 if (of.is_exec) { |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1587 goto true_value; |
669 | 1588 } |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1589 goto false_value; |
669 | 1590 |
1591 case ngx_http_script_file_not_exec: | |
1454 | 1592 if (of.is_exec) { |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1593 goto false_value; |
669 | 1594 } |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1595 goto true_value; |
631 | 1596 } |
1597 | |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1598 false_value: |
631 | 1599 |
1454 | 1600 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
631 | 1601 "http script file op false"); |
1602 | |
1603 *value = ngx_http_variable_null_value; | |
1604 return; | |
1605 | |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1606 true_value: |
631 | 1607 |
1608 *value = ngx_http_variable_true_value; | |
1609 return; | |
1610 } | |
1611 | |
1612 | |
1613 void | |
515 | 1614 ngx_http_script_complex_value_code(ngx_http_script_engine_t *e) |
1615 { | |
1616 size_t len; | |
1617 ngx_http_script_engine_t le; | |
1618 ngx_http_script_len_code_pt lcode; | |
1619 ngx_http_script_complex_value_code_t *code; | |
1620 | |
1621 code = (ngx_http_script_complex_value_code_t *) e->ip; | |
1622 | |
1623 e->ip += sizeof(ngx_http_script_complex_value_code_t); | |
1624 | |
1625 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
1626 "http script complex value"); | |
1627 | |
1628 ngx_memzero(&le, sizeof(ngx_http_script_engine_t)); | |
1629 | |
1630 le.ip = code->lengths->elts; | |
655 | 1631 le.line = e->line; |
515 | 1632 le.request = e->request; |
655 | 1633 le.quote = e->quote; |
515 | 1634 |
1635 for (len = 0; *(uintptr_t *) le.ip; len += lcode(&le)) { | |
1636 lcode = *(ngx_http_script_len_code_pt *) le.ip; | |
1637 } | |
1638 | |
1639 e->buf.len = len; | |
2049 | 1640 e->buf.data = ngx_pnalloc(e->request->pool, len); |
515 | 1641 if (e->buf.data == NULL) { |
1642 e->ip = ngx_http_script_exit; | |
1643 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
1644 return; | |
1645 } | |
1646 | |
1647 e->pos = e->buf.data; | |
1648 | |
577 | 1649 e->sp->len = e->buf.len; |
573 | 1650 e->sp->data = e->buf.data; |
515 | 1651 e->sp++; |
1652 } | |
1653 | |
1654 | |
1655 void | |
509 | 1656 ngx_http_script_value_code(ngx_http_script_engine_t *e) |
1657 { | |
1658 ngx_http_script_value_code_t *code; | |
1659 | |
1660 code = (ngx_http_script_value_code_t *) e->ip; | |
1661 | |
1662 e->ip += sizeof(ngx_http_script_value_code_t); | |
1663 | |
573 | 1664 e->sp->len = code->text_len; |
1665 e->sp->data = (u_char *) code->text_data; | |
577 | 1666 |
1667 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
1561 | 1668 "http script value: \"%v\"", e->sp); |
577 | 1669 |
509 | 1670 e->sp++; |
1671 } | |
1672 | |
1673 | |
1674 void | |
1675 ngx_http_script_set_var_code(ngx_http_script_engine_t *e) | |
1676 { | |
1677 ngx_http_request_t *r; | |
1678 ngx_http_script_var_code_t *code; | |
1679 | |
1680 code = (ngx_http_script_var_code_t *) e->ip; | |
1681 | |
1682 e->ip += sizeof(ngx_http_script_var_code_t); | |
1683 | |
1684 r = e->request; | |
1685 | |
1686 e->sp--; | |
1687 | |
573 | 1688 r->variables[code->index].len = e->sp->len; |
1689 r->variables[code->index].valid = 1; | |
1565 | 1690 r->variables[code->index].no_cacheable = 0; |
573 | 1691 r->variables[code->index].not_found = 0; |
1692 r->variables[code->index].data = e->sp->data; | |
2393 | 1693 |
1694 #if (NGX_DEBUG) | |
1695 { | |
1696 ngx_http_variable_t *v; | |
1697 ngx_http_core_main_conf_t *cmcf; | |
1698 | |
1699 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); | |
1700 | |
1701 v = cmcf->variables.elts; | |
1702 | |
1703 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
1704 "http script set $%V", &v[code->index].name); | |
1705 } | |
1706 #endif | |
509 | 1707 } |
1708 | |
1709 | |
1710 void | |
637 | 1711 ngx_http_script_var_set_handler_code(ngx_http_script_engine_t *e) |
1712 { | |
1713 ngx_http_script_var_handler_code_t *code; | |
1714 | |
1715 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
1716 "http script set var handler"); | |
1717 | |
1718 code = (ngx_http_script_var_handler_code_t *) e->ip; | |
1719 | |
1720 e->ip += sizeof(ngx_http_script_var_handler_code_t); | |
1721 | |
1722 e->sp--; | |
1723 | |
1724 code->handler(e->request, e->sp, code->data); | |
1725 } | |
1726 | |
1727 | |
1728 void | |
509 | 1729 ngx_http_script_var_code(ngx_http_script_engine_t *e) |
1730 { | |
1731 ngx_http_variable_value_t *value; | |
1732 ngx_http_script_var_code_t *code; | |
1733 | |
1734 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
1735 "http script var"); | |
1736 | |
1737 code = (ngx_http_script_var_code_t *) e->ip; | |
1738 | |
1739 e->ip += sizeof(ngx_http_script_var_code_t); | |
1740 | |
573 | 1741 value = ngx_http_get_flushed_variable(e->request, code->index); |
509 | 1742 |
573 | 1743 if (value && !value->not_found) { |
1744 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
1406
03341711f9a2
use %v for ngx_variable_value_t in ngx_sprintf(),
Igor Sysoev <igor@sysoev.ru>
parents:
1152
diff
changeset
|
1745 "http script var: \"%v\"", value); |
573 | 1746 |
553 | 1747 *e->sp = *value; |
509 | 1748 e->sp++; |
1749 | |
1750 return; | |
1751 } | |
1752 | |
577 | 1753 *e->sp = ngx_http_variable_null_value; |
509 | 1754 e->sp++; |
1755 } | |
1756 | |
1757 | |
1758 void | |
1759 ngx_http_script_nop_code(ngx_http_script_engine_t *e) | |
1760 { | |
1761 e->ip += sizeof(uintptr_t); | |
1762 } |