Mercurial > hg > nginx
annotate src/http/ngx_http_script.c @ 4617:972642646f06
Rewrite: fixed escaping and possible segfault (ticket #162).
The following code resulted in incorrect escaping of uri and possible
segfault:
location / {
rewrite ^(.*) $1?c=$1;
return 200 "$uri";
}
If there were arguments in a rewrite's replacement string, and length was
actually calculated (due to duplicate captures as in the example above,
or variables present), the is_args flag was set and incorrectly copied
after length calculation. This resulted in escaping applied to the uri part
of the replacement, resulting in incorrect escaping. Additionally, buffer
was allocated without escaping expected, thus this also resulted in buffer
overrun and possible segfault.
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Fri, 11 May 2012 13:19:22 +0000 |
parents | 13e09cf11d4e |
children | 4251e72b8bb4 |
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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7 |
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8 #include <ngx_config.h> |
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9 #include <ngx_core.h> |
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10 #include <ngx_http.h> |
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11 |
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12 |
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13 static ngx_int_t ngx_http_script_init_arrays(ngx_http_script_compile_t *sc); |
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14 static ngx_int_t ngx_http_script_done(ngx_http_script_compile_t *sc); |
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15 static ngx_int_t ngx_http_script_add_copy_code(ngx_http_script_compile_t *sc, |
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16 ngx_str_t *value, ngx_uint_t last); |
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17 static ngx_int_t ngx_http_script_add_var_code(ngx_http_script_compile_t *sc, |
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18 ngx_str_t *name); |
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19 static ngx_int_t ngx_http_script_add_args_code(ngx_http_script_compile_t *sc); |
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20 #if (NGX_PCRE) |
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21 static ngx_int_t ngx_http_script_add_capture_code(ngx_http_script_compile_t *sc, |
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22 ngx_uint_t n); |
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23 #endif |
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24 static ngx_int_t |
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25 ngx_http_script_add_full_name_code(ngx_http_script_compile_t *sc); |
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26 static size_t ngx_http_script_full_name_len_code(ngx_http_script_engine_t *e); |
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27 static void ngx_http_script_full_name_code(ngx_http_script_engine_t *e); |
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28 |
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29 |
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 if (v->len == 0) { |
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118 ngx_conf_log_error(NGX_LOG_EMERG, ccv->cf, 0, "empty parameter"); |
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119 return NGX_ERROR; |
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120 } |
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121 |
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122 nv = 0; |
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123 nc = 0; |
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124 |
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125 for (i = 0; i < v->len; i++) { |
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126 if (v->data[i] == '$') { |
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127 if (v->data[i + 1] >= '1' && v->data[i + 1] <= '9') { |
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128 nc++; |
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129 |
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130 } else { |
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131 nv++; |
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132 } |
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133 } |
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134 } |
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135 |
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136 if (v->data[0] != '$' && (ccv->conf_prefix || ccv->root_prefix)) { |
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137 |
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138 if (ngx_conf_full_name(ccv->cf->cycle, v, ccv->conf_prefix) != NGX_OK) { |
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139 return NGX_ERROR; |
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140 } |
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141 |
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142 ccv->conf_prefix = 0; |
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143 ccv->root_prefix = 0; |
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144 } |
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145 |
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146 ccv->complex_value->value = *v; |
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147 ccv->complex_value->flushes = NULL; |
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148 ccv->complex_value->lengths = NULL; |
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149 ccv->complex_value->values = NULL; |
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150 |
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151 if (nv == 0 && nc == 0) { |
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152 return NGX_OK; |
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153 } |
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154 |
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155 n = nv + 1; |
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156 |
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157 if (ngx_array_init(&flushes, ccv->cf->pool, n, sizeof(ngx_uint_t)) |
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158 != NGX_OK) |
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159 { |
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160 return NGX_ERROR; |
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161 } |
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162 |
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163 n = nv * (2 * sizeof(ngx_http_script_copy_code_t) |
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164 + sizeof(ngx_http_script_var_code_t)) |
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165 + sizeof(uintptr_t); |
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166 |
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167 if (ngx_array_init(&lengths, ccv->cf->pool, n, 1) != NGX_OK) { |
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168 return NGX_ERROR; |
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169 } |
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170 |
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171 n = (nv * (2 * sizeof(ngx_http_script_copy_code_t) |
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172 + sizeof(ngx_http_script_var_code_t)) |
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173 + sizeof(uintptr_t) |
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174 + v->len |
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175 + sizeof(uintptr_t) - 1) |
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176 & ~(sizeof(uintptr_t) - 1); |
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177 |
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178 if (ngx_array_init(&values, ccv->cf->pool, n, 1) != NGX_OK) { |
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179 return NGX_ERROR; |
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180 } |
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181 |
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182 pf = &flushes; |
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183 pl = &lengths; |
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184 pv = &values; |
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185 |
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186 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); |
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187 |
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188 sc.cf = ccv->cf; |
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189 sc.source = v; |
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190 sc.flushes = &pf; |
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191 sc.lengths = &pl; |
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192 sc.values = &pv; |
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193 sc.complete_lengths = 1; |
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194 sc.complete_values = 1; |
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195 sc.zero = ccv->zero; |
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196 sc.conf_prefix = ccv->conf_prefix; |
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197 sc.root_prefix = ccv->root_prefix; |
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198 |
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199 if (ngx_http_script_compile(&sc) != NGX_OK) { |
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200 return NGX_ERROR; |
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201 } |
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202 |
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203 if (flushes.nelts) { |
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204 ccv->complex_value->flushes = flushes.elts; |
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205 ccv->complex_value->flushes[flushes.nelts] = (ngx_uint_t) -1; |
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206 } |
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207 |
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208 ccv->complex_value->lengths = lengths.elts; |
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209 ccv->complex_value->values = values.elts; |
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210 |
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211 return NGX_OK; |
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212 } |
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213 |
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214 |
3756
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215 char * |
3761 | 216 ngx_http_set_complex_value_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
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217 { |
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218 char *p = conf; |
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219 |
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220 ngx_str_t *value; |
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221 ngx_http_complex_value_t **cv; |
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222 ngx_http_compile_complex_value_t ccv; |
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223 |
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224 cv = (ngx_http_complex_value_t **) (p + cmd->offset); |
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225 |
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226 if (*cv != NULL) { |
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227 return "duplicate"; |
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228 } |
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229 |
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230 *cv = ngx_palloc(cf->pool, sizeof(ngx_http_complex_value_t)); |
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231 if (*cv == NULL) { |
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232 return NGX_CONF_ERROR; |
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233 } |
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234 |
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235 value = cf->args->elts; |
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236 |
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237 ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t)); |
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238 |
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239 ccv.cf = cf; |
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240 ccv.value = &value[1]; |
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241 ccv.complex_value = *cv; |
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242 |
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243 if (ngx_http_compile_complex_value(&ccv) != NGX_OK) { |
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244 return NGX_CONF_ERROR; |
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245 } |
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246 |
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247 return NGX_CONF_OK; |
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248 } |
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249 |
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250 |
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251 ngx_int_t |
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252 ngx_http_test_predicates(ngx_http_request_t *r, ngx_array_t *predicates) |
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253 { |
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254 ngx_str_t val; |
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255 ngx_uint_t i; |
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256 ngx_http_complex_value_t *cv; |
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257 |
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258 if (predicates == NULL) { |
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259 return NGX_OK; |
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260 } |
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261 |
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262 cv = predicates->elts; |
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263 |
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264 for (i = 0; i < predicates->nelts; i++) { |
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265 if (ngx_http_complex_value(r, &cv[i], &val) != NGX_OK) { |
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266 return NGX_ERROR; |
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267 } |
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268 |
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269 if (val.len && (val.len != 1 || val.data[0] != '0')) { |
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270 return NGX_DECLINED; |
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271 } |
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272 } |
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273 |
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274 return NGX_OK; |
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275 } |
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276 |
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277 |
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278 char * |
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279 ngx_http_set_predicate_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
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280 { |
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281 char *p = conf; |
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282 |
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283 ngx_str_t *value; |
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284 ngx_uint_t i; |
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285 ngx_array_t **a; |
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286 ngx_http_complex_value_t *cv; |
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287 ngx_http_compile_complex_value_t ccv; |
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288 |
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289 a = (ngx_array_t **) (p + cmd->offset); |
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290 |
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291 if (*a == NGX_CONF_UNSET_PTR) { |
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292 *a = ngx_array_create(cf->pool, 1, sizeof(ngx_http_complex_value_t)); |
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293 if (*a == NULL) { |
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294 return NGX_CONF_ERROR; |
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295 } |
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296 } |
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297 |
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298 value = cf->args->elts; |
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299 |
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300 for (i = 1; i < cf->args->nelts; i++) { |
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301 cv = ngx_array_push(*a); |
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302 if (cv == NULL) { |
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303 return NGX_CONF_ERROR; |
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304 } |
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305 |
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306 ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t)); |
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307 |
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308 ccv.cf = cf; |
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309 ccv.value = &value[i]; |
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310 ccv.complex_value = cv; |
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311 |
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312 if (ngx_http_compile_complex_value(&ccv) != NGX_OK) { |
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313 return NGX_CONF_ERROR; |
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314 } |
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315 } |
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316 |
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317 return NGX_CONF_OK; |
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318 } |
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319 |
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320 |
509 | 321 ngx_uint_t |
322 ngx_http_script_variables_count(ngx_str_t *value) | |
99
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323 { |
509 | 324 ngx_uint_t i, n; |
507 | 325 |
509 | 326 for (n = 0, i = 0; i < value->len; i++) { |
327 if (value->data[i] == '$') { | |
328 n++; | |
329 } | |
507 | 330 } |
331 | |
509 | 332 return n; |
333 } | |
334 | |
335 | |
336 ngx_int_t | |
337 ngx_http_script_compile(ngx_http_script_compile_t *sc) | |
338 { | |
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339 u_char ch; |
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340 ngx_str_t name; |
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341 ngx_uint_t i, bracket; |
573 | 342 |
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343 if (ngx_http_script_init_arrays(sc) != NGX_OK) { |
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344 return NGX_ERROR; |
509 | 345 } |
346 | |
347 for (i = 0; i < sc->source->len; /* void */ ) { | |
348 | |
349 name.len = 0; | |
350 | |
351 if (sc->source->data[i] == '$') { | |
352 | |
353 if (++i == sc->source->len) { | |
354 goto invalid_variable; | |
355 } | |
356 | |
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357 #if (NGX_PCRE) |
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358 { |
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359 ngx_uint_t n; |
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360 |
509 | 361 if (sc->source->data[i] >= '1' && sc->source->data[i] <= '9') { |
362 | |
641 | 363 n = sc->source->data[i] - '0'; |
364 | |
365 if (sc->captures_mask & (1 << n)) { | |
366 sc->dup_capture = 1; | |
367 } | |
368 | |
369 sc->captures_mask |= 1 << n; | |
370 | |
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371 if (ngx_http_script_add_capture_code(sc, n) != NGX_OK) { |
509 | 372 return NGX_ERROR; |
373 } | |
374 | |
375 i++; | |
376 | |
377 continue; | |
378 } | |
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379 } |
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380 #endif |
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381 |
509 | 382 if (sc->source->data[i] == '{') { |
383 bracket = 1; | |
384 | |
385 if (++i == sc->source->len) { | |
386 goto invalid_variable; | |
387 } | |
388 | |
389 name.data = &sc->source->data[i]; | |
390 | |
391 } else { | |
392 bracket = 0; | |
393 name.data = &sc->source->data[i]; | |
394 } | |
395 | |
396 for ( /* void */ ; i < sc->source->len; i++, name.len++) { | |
397 ch = sc->source->data[i]; | |
507 | 398 |
509 | 399 if (ch == '}' && bracket) { |
400 i++; | |
401 bracket = 0; | |
402 break; | |
403 } | |
404 | |
405 if ((ch >= 'A' && ch <= 'Z') | |
406 || (ch >= 'a' && ch <= 'z') | |
407 || (ch >= '0' && ch <= '9') | |
408 || ch == '_') | |
409 { | |
410 continue; | |
411 } | |
412 | |
413 break; | |
414 } | |
415 | |
416 if (bracket) { | |
417 ngx_conf_log_error(NGX_LOG_EMERG, sc->cf, 0, | |
418 "the closing bracket in \"%V\" " | |
419 "variable is missing", &name); | |
507 | 420 return NGX_ERROR; |
421 } | |
422 | |
509 | 423 if (name.len == 0) { |
424 goto invalid_variable; | |
425 } | |
507 | 426 |
509 | 427 sc->variables++; |
507 | 428 |
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429 if (ngx_http_script_add_var_code(sc, &name) != NGX_OK) { |
507 | 430 return NGX_ERROR; |
431 } | |
99
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432 |
509 | 433 continue; |
434 } | |
507 | 435 |
509 | 436 if (sc->source->data[i] == '?' && sc->compile_args) { |
437 sc->args = 1; | |
438 sc->compile_args = 0; | |
99
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439 |
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440 if (ngx_http_script_add_args_code(sc) != NGX_OK) { |
1891
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441 return NGX_ERROR; |
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442 } |
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443 |
509 | 444 i++; |
445 | |
507 | 446 continue; |
447 } | |
448 | |
509 | 449 name.data = &sc->source->data[i]; |
450 | |
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451 while (i < sc->source->len) { |
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452 |
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453 if (sc->source->data[i] == '$') { |
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454 break; |
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455 } |
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456 |
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457 if (sc->source->data[i] == '?') { |
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458 |
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459 sc->args = 1; |
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460 |
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461 if (sc->compile_args) { |
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462 break; |
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463 } |
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464 } |
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465 |
509 | 466 i++; |
467 name.len++; | |
468 } | |
469 | |
470 sc->size += name.len; | |
471 | |
2587
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472 if (ngx_http_script_add_copy_code(sc, &name, (i == sc->source->len)) |
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473 != NGX_OK) |
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474 { |
509 | 475 return NGX_ERROR; |
476 } | |
507 | 477 } |
478 | |
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479 return ngx_http_script_done(sc); |
509 | 480 |
481 invalid_variable: | |
482 | |
483 ngx_conf_log_error(NGX_LOG_EMERG, sc->cf, 0, "invalid variable name"); | |
484 | |
485 return NGX_ERROR; | |
99
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486 } |
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|
487 |
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488 |
623 | 489 u_char * |
490 ngx_http_script_run(ngx_http_request_t *r, ngx_str_t *value, | |
491 void *code_lengths, size_t len, void *code_values) | |
492 { | |
1152
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493 ngx_uint_t i; |
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494 ngx_http_script_code_pt code; |
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495 ngx_http_script_len_code_pt lcode; |
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496 ngx_http_script_engine_t e; |
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497 ngx_http_core_main_conf_t *cmcf; |
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498 |
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499 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); |
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500 |
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501 for (i = 0; i < cmcf->variables.nelts; i++) { |
1565 | 502 if (r->variables[i].no_cacheable) { |
1152
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503 r->variables[i].valid = 0; |
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|
504 r->variables[i].not_found = 0; |
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505 } |
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|
506 } |
623 | 507 |
508 ngx_memzero(&e, sizeof(ngx_http_script_engine_t)); | |
509 | |
510 e.ip = code_lengths; | |
511 e.request = r; | |
512 e.flushed = 1; | |
513 | |
514 while (*(uintptr_t *) e.ip) { | |
515 lcode = *(ngx_http_script_len_code_pt *) e.ip; | |
516 len += lcode(&e); | |
517 } | |
518 | |
519 | |
520 value->len = len; | |
2049 | 521 value->data = ngx_pnalloc(r->pool, len); |
623 | 522 if (value->data == NULL) { |
523 return NULL; | |
524 } | |
525 | |
526 e.ip = code_values; | |
527 e.pos = value->data; | |
528 | |
529 while (*(uintptr_t *) e.ip) { | |
530 code = *(ngx_http_script_code_pt *) e.ip; | |
531 code((ngx_http_script_engine_t *) &e); | |
532 } | |
533 | |
534 return e.pos; | |
535 } | |
536 | |
537 | |
573 | 538 void |
1565 | 539 ngx_http_script_flush_no_cacheable_variables(ngx_http_request_t *r, |
573 | 540 ngx_array_t *indices) |
541 { | |
542 ngx_uint_t n, *index; | |
543 | |
544 if (indices) { | |
545 index = indices->elts; | |
546 for (n = 0; n < indices->nelts; n++) { | |
1565 | 547 if (r->variables[index[n]].no_cacheable) { |
573 | 548 r->variables[index[n]].valid = 0; |
549 r->variables[index[n]].not_found = 0; | |
550 } | |
551 } | |
552 } | |
553 } | |
554 | |
555 | |
2577
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|
556 static ngx_int_t |
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557 ngx_http_script_init_arrays(ngx_http_script_compile_t *sc) |
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558 { |
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|
559 ngx_uint_t n; |
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|
560 |
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561 if (sc->flushes && *sc->flushes == NULL) { |
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562 n = sc->variables ? sc->variables : 1; |
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563 *sc->flushes = ngx_array_create(sc->cf->pool, n, sizeof(ngx_uint_t)); |
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|
564 if (*sc->flushes == NULL) { |
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|
565 return NGX_ERROR; |
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|
566 } |
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diff
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|
567 } |
2dcbcfc1a8d1
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changeset
|
568 |
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diff
changeset
|
569 if (*sc->lengths == NULL) { |
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diff
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|
570 n = sc->variables * (2 * sizeof(ngx_http_script_copy_code_t) |
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|
571 + sizeof(ngx_http_script_var_code_t)) |
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diff
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|
572 + sizeof(uintptr_t); |
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changeset
|
573 |
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|
574 *sc->lengths = ngx_array_create(sc->cf->pool, n, 1); |
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|
575 if (*sc->lengths == NULL) { |
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|
576 return NGX_ERROR; |
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|
577 } |
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|
578 } |
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|
579 |
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|
580 if (*sc->values == NULL) { |
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diff
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|
581 n = (sc->variables * (2 * sizeof(ngx_http_script_copy_code_t) |
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|
582 + sizeof(ngx_http_script_var_code_t)) |
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|
583 + sizeof(uintptr_t) |
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changeset
|
584 + sc->source->len |
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|
585 + sizeof(uintptr_t) - 1) |
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diff
changeset
|
586 & ~(sizeof(uintptr_t) - 1); |
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changeset
|
587 |
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changeset
|
588 *sc->values = ngx_array_create(sc->cf->pool, n, 1); |
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changeset
|
589 if (*sc->values == NULL) { |
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changeset
|
590 return NGX_ERROR; |
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diff
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|
591 } |
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|
592 } |
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593 |
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594 sc->variables = 0; |
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595 |
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596 return NGX_OK; |
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597 } |
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598 |
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599 |
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600 static ngx_int_t |
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601 ngx_http_script_done(ngx_http_script_compile_t *sc) |
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602 { |
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603 ngx_str_t zero; |
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604 uintptr_t *code; |
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605 |
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606 if (sc->zero) { |
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607 |
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608 zero.len = 1; |
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609 zero.data = (u_char *) "\0"; |
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610 |
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611 if (ngx_http_script_add_copy_code(sc, &zero, 0) != NGX_OK) { |
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612 return NGX_ERROR; |
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613 } |
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614 } |
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615 |
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616 if (sc->conf_prefix || sc->root_prefix) { |
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617 if (ngx_http_script_add_full_name_code(sc) != NGX_OK) { |
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618 return NGX_ERROR; |
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619 } |
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620 } |
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621 |
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622 if (sc->complete_lengths) { |
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623 code = ngx_http_script_add_code(*sc->lengths, sizeof(uintptr_t), NULL); |
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624 if (code == NULL) { |
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625 return NGX_ERROR; |
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626 } |
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627 |
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628 *code = (uintptr_t) NULL; |
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629 } |
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630 |
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631 if (sc->complete_values) { |
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632 code = ngx_http_script_add_code(*sc->values, sizeof(uintptr_t), |
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633 &sc->main); |
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634 if (code == NULL) { |
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635 return NGX_ERROR; |
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636 } |
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637 |
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638 *code = (uintptr_t) NULL; |
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639 } |
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640 |
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641 return NGX_OK; |
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642 } |
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643 |
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644 |
509 | 645 void * |
507 | 646 ngx_http_script_start_code(ngx_pool_t *pool, ngx_array_t **codes, size_t size) |
479 | 647 { |
507 | 648 if (*codes == NULL) { |
649 *codes = ngx_array_create(pool, 256, 1); | |
650 if (*codes == NULL) { | |
651 return NULL; | |
652 } | |
653 } | |
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654 |
507 | 655 return ngx_array_push_n(*codes, size); |
656 } | |
657 | |
509 | 658 |
659 void * | |
660 ngx_http_script_add_code(ngx_array_t *codes, size_t size, void *code) | |
661 { | |
662 u_char *elts, **p; | |
663 void *new; | |
664 | |
665 elts = codes->elts; | |
666 | |
667 new = ngx_array_push_n(codes, size); | |
668 if (new == NULL) { | |
2911 | 669 return NULL; |
509 | 670 } |
671 | |
672 if (code) { | |
673 if (elts != codes->elts) { | |
674 p = code; | |
675 *p += (u_char *) codes->elts - elts; | |
676 } | |
677 } | |
678 | |
679 return new; | |
680 } | |
507 | 681 |
479 | 682 |
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683 static ngx_int_t |
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684 ngx_http_script_add_copy_code(ngx_http_script_compile_t *sc, ngx_str_t *value, |
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685 ngx_uint_t last) |
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686 { |
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687 u_char *p; |
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688 size_t size, len, zero; |
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689 ngx_http_script_copy_code_t *code; |
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690 |
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691 zero = (sc->zero && last); |
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692 len = value->len + zero; |
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693 |
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694 code = ngx_http_script_add_code(*sc->lengths, |
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695 sizeof(ngx_http_script_copy_code_t), NULL); |
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696 if (code == NULL) { |
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697 return NGX_ERROR; |
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698 } |
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699 |
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700 code->code = (ngx_http_script_code_pt) ngx_http_script_copy_len_code; |
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701 code->len = len; |
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702 |
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703 size = (sizeof(ngx_http_script_copy_code_t) + len + sizeof(uintptr_t) - 1) |
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704 & ~(sizeof(uintptr_t) - 1); |
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705 |
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706 code = ngx_http_script_add_code(*sc->values, size, &sc->main); |
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707 if (code == NULL) { |
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708 return NGX_ERROR; |
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709 } |
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710 |
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711 code->code = ngx_http_script_copy_code; |
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712 code->len = len; |
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713 |
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714 p = ngx_cpymem((u_char *) code + sizeof(ngx_http_script_copy_code_t), |
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715 value->data, value->len); |
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716 |
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717 if (zero) { |
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718 *p = '\0'; |
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719 sc->zero = 0; |
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720 } |
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721 |
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722 return NGX_OK; |
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723 } |
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724 |
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725 |
507 | 726 size_t |
509 | 727 ngx_http_script_copy_len_code(ngx_http_script_engine_t *e) |
507 | 728 { |
729 ngx_http_script_copy_code_t *code; | |
479 | 730 |
509 | 731 code = (ngx_http_script_copy_code_t *) e->ip; |
507 | 732 |
509 | 733 e->ip += sizeof(ngx_http_script_copy_code_t); |
507 | 734 |
735 return code->len; | |
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736 } |
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737 |
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738 |
507 | 739 void |
509 | 740 ngx_http_script_copy_code(ngx_http_script_engine_t *e) |
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741 { |
2393 | 742 u_char *p; |
507 | 743 ngx_http_script_copy_code_t *code; |
744 | |
509 | 745 code = (ngx_http_script_copy_code_t *) e->ip; |
746 | |
2393 | 747 p = e->pos; |
748 | |
509 | 749 if (!e->skip) { |
2393 | 750 e->pos = ngx_copy(p, e->ip + sizeof(ngx_http_script_copy_code_t), |
573 | 751 code->len); |
509 | 752 } |
507 | 753 |
509 | 754 e->ip += sizeof(ngx_http_script_copy_code_t) |
755 + ((code->len + sizeof(uintptr_t) - 1) & ~(sizeof(uintptr_t) - 1)); | |
507 | 756 |
2393 | 757 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, |
758 "http script copy: \"%*s\"", e->pos - p, p); | |
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759 } |
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760 |
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761 |
2577
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762 static ngx_int_t |
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763 ngx_http_script_add_var_code(ngx_http_script_compile_t *sc, ngx_str_t *name) |
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764 { |
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765 ngx_int_t index, *p; |
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766 ngx_http_script_var_code_t *code; |
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767 |
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768 index = ngx_http_get_variable_index(sc->cf, name); |
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769 |
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770 if (index == NGX_ERROR) { |
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771 return NGX_ERROR; |
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772 } |
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773 |
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774 if (sc->flushes) { |
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775 p = ngx_array_push(*sc->flushes); |
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776 if (p == NULL) { |
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777 return NGX_ERROR; |
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778 } |
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779 |
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780 *p = index; |
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781 } |
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782 |
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783 code = ngx_http_script_add_code(*sc->lengths, |
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784 sizeof(ngx_http_script_var_code_t), NULL); |
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785 if (code == NULL) { |
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786 return NGX_ERROR; |
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787 } |
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788 |
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789 code->code = (ngx_http_script_code_pt) ngx_http_script_copy_var_len_code; |
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790 code->index = (uintptr_t) index; |
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791 |
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792 code = ngx_http_script_add_code(*sc->values, |
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793 sizeof(ngx_http_script_var_code_t), |
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794 &sc->main); |
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795 if (code == NULL) { |
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796 return NGX_ERROR; |
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797 } |
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798 |
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799 code->code = ngx_http_script_copy_var_code; |
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800 code->index = (uintptr_t) index; |
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801 |
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802 return NGX_OK; |
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803 } |
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804 |
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805 |
507 | 806 size_t |
509 | 807 ngx_http_script_copy_var_len_code(ngx_http_script_engine_t *e) |
99
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808 { |
507 | 809 ngx_http_variable_value_t *value; |
810 ngx_http_script_var_code_t *code; | |
811 | |
509 | 812 code = (ngx_http_script_var_code_t *) e->ip; |
507 | 813 |
509 | 814 e->ip += sizeof(ngx_http_script_var_code_t); |
507 | 815 |
573 | 816 if (e->flushed) { |
817 value = ngx_http_get_indexed_variable(e->request, code->index); | |
507 | 818 |
573 | 819 } else { |
820 value = ngx_http_get_flushed_variable(e->request, code->index); | |
821 } | |
822 | |
823 if (value && !value->not_found) { | |
824 return value->len; | |
507 | 825 } |
826 | |
553 | 827 return 0; |
99
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828 } |
479 | 829 |
830 | |
507 | 831 void |
509 | 832 ngx_http_script_copy_var_code(ngx_http_script_engine_t *e) |
479 | 833 { |
2393 | 834 u_char *p; |
507 | 835 ngx_http_variable_value_t *value; |
836 ngx_http_script_var_code_t *code; | |
837 | |
509 | 838 code = (ngx_http_script_var_code_t *) e->ip; |
839 | |
840 e->ip += sizeof(ngx_http_script_var_code_t); | |
841 | |
842 if (!e->skip) { | |
573 | 843 |
844 if (e->flushed) { | |
845 value = ngx_http_get_indexed_variable(e->request, code->index); | |
509 | 846 |
573 | 847 } else { |
848 value = ngx_http_get_flushed_variable(e->request, code->index); | |
849 } | |
850 | |
851 if (value && !value->not_found) { | |
2393 | 852 p = e->pos; |
853 e->pos = ngx_copy(p, value->data, value->len); | |
509 | 854 |
2393 | 855 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, |
845
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856 e->request->connection->log, 0, |
2393 | 857 "http script var: \"%*s\"", e->pos - p, p); |
509 | 858 } |
859 } | |
860 } | |
861 | |
862 | |
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863 static ngx_int_t |
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864 ngx_http_script_add_args_code(ngx_http_script_compile_t *sc) |
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865 { |
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866 uintptr_t *code; |
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867 |
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868 code = ngx_http_script_add_code(*sc->lengths, sizeof(uintptr_t), NULL); |
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869 if (code == NULL) { |
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870 return NGX_ERROR; |
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871 } |
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872 |
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873 *code = (uintptr_t) ngx_http_script_mark_args_code; |
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874 |
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875 code = ngx_http_script_add_code(*sc->values, sizeof(uintptr_t), &sc->main); |
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876 if (code == NULL) { |
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877 return NGX_ERROR; |
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878 } |
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879 |
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880 *code = (uintptr_t) ngx_http_script_start_args_code; |
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881 |
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882 return NGX_OK; |
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883 } |
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884 |
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885 |
509 | 886 size_t |
1891
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887 ngx_http_script_mark_args_code(ngx_http_script_engine_t *e) |
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888 { |
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889 e->is_args = 1; |
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890 e->ip += sizeof(uintptr_t); |
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891 |
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|
892 return 1; |
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893 } |
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894 |
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895 |
509 | 896 void |
897 ngx_http_script_start_args_code(ngx_http_script_engine_t *e) | |
898 { | |
899 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
900 "http script args"); | |
577 | 901 |
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902 e->is_args = 1; |
509 | 903 e->args = e->pos; |
904 e->ip += sizeof(uintptr_t); | |
905 } | |
906 | |
907 | |
517 | 908 #if (NGX_PCRE) |
909 | |
509 | 910 void |
911 ngx_http_script_regex_start_code(ngx_http_script_engine_t *e) | |
912 { | |
913 size_t len; | |
914 ngx_int_t rc; | |
915 ngx_uint_t n; | |
916 ngx_http_request_t *r; | |
917 ngx_http_script_engine_t le; | |
918 ngx_http_script_len_code_pt lcode; | |
919 ngx_http_script_regex_code_t *code; | |
920 | |
921 code = (ngx_http_script_regex_code_t *) e->ip; | |
922 | |
923 r = e->request; | |
924 | |
925 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
926 "http script regex: \"%V\"", &code->name); | |
927 | |
928 if (code->uri) { | |
515 | 929 e->line = r->uri; |
509 | 930 } else { |
931 e->sp--; | |
573 | 932 e->line.len = e->sp->len; |
933 e->line.data = e->sp->data; | |
509 | 934 } |
507 | 935 |
3325 | 936 rc = ngx_http_regex_exec(r, code->regex, &e->line); |
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937 |
3325 | 938 if (rc == NGX_DECLINED) { |
2397 | 939 if (e->log || (r->connection->log->log_level & NGX_LOG_DEBUG_HTTP)) { |
509 | 940 ngx_log_error(NGX_LOG_NOTICE, r->connection->log, 0, |
515 | 941 "\"%V\" does not match \"%V\"", |
942 &code->name, &e->line); | |
509 | 943 } |
944 | |
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945 r->ncaptures = 0; |
515 | 946 |
509 | 947 if (code->test) { |
631 | 948 if (code->negative_test) { |
949 e->sp->len = 1; | |
950 e->sp->data = (u_char *) "1"; | |
951 | |
952 } else { | |
953 e->sp->len = 0; | |
954 e->sp->data = (u_char *) ""; | |
955 } | |
956 | |
509 | 957 e->sp++; |
958 | |
959 e->ip += sizeof(ngx_http_script_regex_code_t); | |
960 return; | |
961 } | |
962 | |
963 e->ip += code->next; | |
964 return; | |
965 } | |
966 | |
3325 | 967 if (rc == NGX_ERROR) { |
509 | 968 e->ip = ngx_http_script_exit; |
969 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
970 return; | |
971 } | |
972 | |
2397 | 973 if (e->log || (r->connection->log->log_level & NGX_LOG_DEBUG_HTTP)) { |
509 | 974 ngx_log_error(NGX_LOG_NOTICE, r->connection->log, 0, |
515 | 975 "\"%V\" matches \"%V\"", &code->name, &e->line); |
509 | 976 } |
977 | |
978 if (code->test) { | |
631 | 979 if (code->negative_test) { |
980 e->sp->len = 0; | |
981 e->sp->data = (u_char *) ""; | |
982 | |
983 } else { | |
984 e->sp->len = 1; | |
985 e->sp->data = (u_char *) "1"; | |
986 } | |
987 | |
509 | 988 e->sp++; |
989 | |
990 e->ip += sizeof(ngx_http_script_regex_code_t); | |
991 return; | |
992 } | |
993 | |
994 if (code->status) { | |
995 e->status = code->status; | |
507 | 996 |
509 | 997 if (!code->redirect) { |
998 e->ip = ngx_http_script_exit; | |
999 return; | |
1000 } | |
1001 } | |
1002 | |
1003 if (code->uri) { | |
1004 r->internal = 1; | |
1005 r->valid_unparsed_uri = 0; | |
1006 | |
1007 if (code->break_cycle) { | |
1008 r->valid_location = 0; | |
527 | 1009 r->uri_changed = 0; |
509 | 1010 |
1011 } else { | |
1012 r->uri_changed = 1; | |
1013 } | |
1014 } | |
1015 | |
1016 if (code->lengths == NULL) { | |
1017 e->buf.len = code->size; | |
1018 | |
1019 if (code->uri) { | |
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|
1020 if (r->ncaptures && (r->quoted_uri || r->plus_in_uri)) { |
509 | 1021 e->buf.len += 2 * ngx_escape_uri(NULL, r->uri.data, r->uri.len, |
1022 NGX_ESCAPE_ARGS); | |
1023 } | |
1024 } | |
1025 | |
3344
1aed55182ea2
fix captures in "rewrite", the bug had been introduced in r3326
Igor Sysoev <igor@sysoev.ru>
parents:
3325
diff
changeset
|
1026 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:
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diff
changeset
|
1027 e->buf.len += r->captures[n + 1] - r->captures[n]; |
509 | 1028 } |
1029 | |
1030 } else { | |
1031 ngx_memzero(&le, sizeof(ngx_http_script_engine_t)); | |
1032 | |
1033 le.ip = code->lengths->elts; | |
679 | 1034 le.line = e->line; |
509 | 1035 le.request = r; |
679 | 1036 le.quote = code->redirect; |
509 | 1037 |
1891
782af1038115
length calculation did not take into account escaped symbols in arguments
Igor Sysoev <igor@sysoev.ru>
parents:
1799
diff
changeset
|
1038 len = 0; |
509 | 1039 |
1040 while (*(uintptr_t *) le.ip) { | |
1041 lcode = *(ngx_http_script_len_code_pt *) le.ip; | |
1042 len += lcode(&le); | |
1043 } | |
1044 | |
1045 e->buf.len = len; | |
1046 } | |
1047 | |
515 | 1048 if (code->add_args && r->args.len) { |
509 | 1049 e->buf.len += r->args.len + 1; |
1050 } | |
1051 | |
2049 | 1052 e->buf.data = ngx_pnalloc(r->pool, e->buf.len); |
509 | 1053 if (e->buf.data == NULL) { |
1054 e->ip = ngx_http_script_exit; | |
1055 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
507 | 1056 return; |
1057 } | |
1058 | |
509 | 1059 e->quote = code->redirect; |
1060 | |
1061 e->pos = e->buf.data; | |
1062 | |
1063 e->ip += sizeof(ngx_http_script_regex_code_t); | |
1064 } | |
1065 | |
1066 | |
1067 void | |
1068 ngx_http_script_regex_end_code(ngx_http_script_engine_t *e) | |
1069 { | |
577 | 1070 u_char *dst, *src; |
509 | 1071 ngx_http_request_t *r; |
1072 ngx_http_script_regex_end_code_t *code; | |
1073 | |
1074 code = (ngx_http_script_regex_end_code_t *) e->ip; | |
1075 | |
1076 r = e->request; | |
1077 | |
1078 e->quote = 0; | |
1079 | |
1080 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
1081 "http script regex end"); | |
1082 | |
1083 if (code->redirect) { | |
1084 | |
577 | 1085 dst = e->buf.data; |
1086 src = e->buf.data; | |
1087 | |
1593 | 1088 ngx_unescape_uri(&dst, &src, e->pos - e->buf.data, |
1089 NGX_UNESCAPE_REDIRECT); | |
577 | 1090 |
1091 if (src < e->pos) { | |
3887
e7798b5e990a
use memmove() in appropriate places
Igor Sysoev <igor@sysoev.ru>
parents:
3761
diff
changeset
|
1092 dst = ngx_movemem(dst, src, e->pos - src); |
577 | 1093 } |
1094 | |
1095 e->pos = dst; | |
1096 | |
1097 if (code->add_args && r->args.len) { | |
509 | 1098 *e->pos++ = (u_char) (code->args ? '&' : '?'); |
573 | 1099 e->pos = ngx_copy(e->pos, r->args.data, r->args.len); |
509 | 1100 } |
1101 | |
1102 e->buf.len = e->pos - e->buf.data; | |
1103 | |
2397 | 1104 if (e->log || (r->connection->log->log_level & NGX_LOG_DEBUG_HTTP)) { |
509 | 1105 ngx_log_error(NGX_LOG_NOTICE, r->connection->log, 0, |
1106 "rewritten redirect: \"%V\"", &e->buf); | |
1107 } | |
1108 | |
4206
1a94a56a4e5d
Clear old Location header (if any) while adding a new one.
Maxim Dounin <mdounin@mdounin.ru>
parents:
3904
diff
changeset
|
1109 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
|
1110 |
509 | 1111 r->headers_out.location = ngx_list_push(&r->headers_out.headers); |
1112 if (r->headers_out.location == NULL) { | |
1113 e->ip = ngx_http_script_exit; | |
1114 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
1115 return; | |
1116 } | |
1117 | |
577 | 1118 r->headers_out.location->hash = 1; |
3516
dd1570b6f237
ngx_str_set() and ngx_str_null()
Igor Sysoev <igor@sysoev.ru>
parents:
3344
diff
changeset
|
1119 ngx_str_set(&r->headers_out.location->key, "Location"); |
509 | 1120 r->headers_out.location->value = e->buf; |
1121 | |
1122 e->ip += sizeof(ngx_http_script_regex_end_code_t); | |
1123 return; | |
1124 } | |
1125 | |
577 | 1126 if (e->args) { |
509 | 1127 e->buf.len = e->args - e->buf.data; |
1128 | |
1129 if (code->add_args && r->args.len) { | |
1130 *e->pos++ = '&'; | |
573 | 1131 e->pos = ngx_copy(e->pos, r->args.data, r->args.len); |
509 | 1132 } |
1133 | |
1134 r->args.len = e->pos - e->args; | |
1135 r->args.data = e->args; | |
1136 | |
1137 e->args = NULL; | |
1138 | |
1139 } else { | |
1140 e->buf.len = e->pos - e->buf.data; | |
673 | 1141 |
1142 if (!code->add_args) { | |
1143 r->args.len = 0; | |
1144 } | |
509 | 1145 } |
1146 | |
2397 | 1147 if (e->log || (r->connection->log->log_level & NGX_LOG_DEBUG_HTTP)) { |
509 | 1148 ngx_log_error(NGX_LOG_NOTICE, r->connection->log, 0, |
1149 "rewritten data: \"%V\", args: \"%V\"", | |
1150 &e->buf, &r->args); | |
1151 } | |
1152 | |
1153 if (code->uri) { | |
1154 r->uri = e->buf; | |
1155 | |
535 | 1156 if (r->uri.len == 0) { |
1157 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
1158 "the rewritten URI has a zero length"); | |
1159 e->ip = ngx_http_script_exit; | |
1160 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
1161 return; | |
1162 } | |
1163 | |
2979
b941147f2b2e
ngx_http_set_exten() is always successful since 0.3.46
Igor Sysoev <igor@sysoev.ru>
parents:
2911
diff
changeset
|
1164 ngx_http_set_exten(r); |
509 | 1165 } |
1166 | |
1167 e->ip += sizeof(ngx_http_script_regex_end_code_t); | |
1168 } | |
1169 | |
2547
912ce4113f21
now regex captures are per-request entities
Igor Sysoev <igor@sysoev.ru>
parents:
2498
diff
changeset
|
1170 |
2577
2dcbcfc1a8d1
split ngx_http_script_compile()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1171 static ngx_int_t |
2dcbcfc1a8d1
split ngx_http_script_compile()
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diff
changeset
|
1172 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
changeset
|
1173 { |
2dcbcfc1a8d1
split ngx_http_script_compile()
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parents:
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diff
changeset
|
1174 ngx_http_script_copy_capture_code_t *code; |
2dcbcfc1a8d1
split ngx_http_script_compile()
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diff
changeset
|
1175 |
2dcbcfc1a8d1
split ngx_http_script_compile()
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diff
changeset
|
1176 code = ngx_http_script_add_code(*sc->lengths, |
2dcbcfc1a8d1
split ngx_http_script_compile()
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changeset
|
1177 sizeof(ngx_http_script_copy_capture_code_t), |
2dcbcfc1a8d1
split ngx_http_script_compile()
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|
1178 NULL); |
2dcbcfc1a8d1
split ngx_http_script_compile()
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changeset
|
1179 if (code == NULL) { |
2dcbcfc1a8d1
split ngx_http_script_compile()
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|
1180 return NGX_ERROR; |
2dcbcfc1a8d1
split ngx_http_script_compile()
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|
1181 } |
2dcbcfc1a8d1
split ngx_http_script_compile()
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parents:
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diff
changeset
|
1182 |
2dcbcfc1a8d1
split ngx_http_script_compile()
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|
1183 code->code = (ngx_http_script_code_pt) |
2dcbcfc1a8d1
split ngx_http_script_compile()
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diff
changeset
|
1184 ngx_http_script_copy_capture_len_code; |
2dcbcfc1a8d1
split ngx_http_script_compile()
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changeset
|
1185 code->n = 2 * n; |
2dcbcfc1a8d1
split ngx_http_script_compile()
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|
1186 |
2dcbcfc1a8d1
split ngx_http_script_compile()
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|
1187 |
2dcbcfc1a8d1
split ngx_http_script_compile()
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changeset
|
1188 code = ngx_http_script_add_code(*sc->values, |
2dcbcfc1a8d1
split ngx_http_script_compile()
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parents:
2547
diff
changeset
|
1189 sizeof(ngx_http_script_copy_capture_code_t), |
2dcbcfc1a8d1
split ngx_http_script_compile()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1190 &sc->main); |
2dcbcfc1a8d1
split ngx_http_script_compile()
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parents:
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changeset
|
1191 if (code == NULL) { |
2dcbcfc1a8d1
split ngx_http_script_compile()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1192 return NGX_ERROR; |
2dcbcfc1a8d1
split ngx_http_script_compile()
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parents:
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diff
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|
1193 } |
2dcbcfc1a8d1
split ngx_http_script_compile()
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parents:
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diff
changeset
|
1194 |
2dcbcfc1a8d1
split ngx_http_script_compile()
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parents:
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diff
changeset
|
1195 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
|
1196 code->n = 2 * n; |
2dcbcfc1a8d1
split ngx_http_script_compile()
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parents:
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diff
changeset
|
1197 |
2dcbcfc1a8d1
split ngx_http_script_compile()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1198 if (sc->ncaptures < n) { |
2dcbcfc1a8d1
split ngx_http_script_compile()
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parents:
2547
diff
changeset
|
1199 sc->ncaptures = n; |
2dcbcfc1a8d1
split ngx_http_script_compile()
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diff
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|
1200 } |
2dcbcfc1a8d1
split ngx_http_script_compile()
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parents:
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diff
changeset
|
1201 |
2dcbcfc1a8d1
split ngx_http_script_compile()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1202 return NGX_OK; |
2dcbcfc1a8d1
split ngx_http_script_compile()
Igor Sysoev <igor@sysoev.ru>
parents:
2547
diff
changeset
|
1203 } |
2dcbcfc1a8d1
split ngx_http_script_compile()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1204 |
2dcbcfc1a8d1
split ngx_http_script_compile()
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parents:
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diff
changeset
|
1205 |
2547
912ce4113f21
now regex captures are per-request entities
Igor Sysoev <igor@sysoev.ru>
parents:
2498
diff
changeset
|
1206 size_t |
912ce4113f21
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Igor Sysoev <igor@sysoev.ru>
parents:
2498
diff
changeset
|
1207 ngx_http_script_copy_capture_len_code(ngx_http_script_engine_t *e) |
912ce4113f21
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parents:
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changeset
|
1208 { |
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parents:
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diff
changeset
|
1209 int *cap; |
912ce4113f21
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parents:
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changeset
|
1210 u_char *p; |
912ce4113f21
now regex captures are per-request entities
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1211 ngx_uint_t n; |
912ce4113f21
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parents:
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changeset
|
1212 ngx_http_request_t *r; |
912ce4113f21
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parents:
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changeset
|
1213 ngx_http_script_copy_capture_code_t *code; |
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parents:
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changeset
|
1214 |
912ce4113f21
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changeset
|
1215 r = e->request; |
912ce4113f21
now regex captures are per-request entities
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changeset
|
1216 |
912ce4113f21
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|
1217 code = (ngx_http_script_copy_capture_code_t *) e->ip; |
912ce4113f21
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changeset
|
1218 |
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diff
changeset
|
1219 e->ip += sizeof(ngx_http_script_copy_capture_code_t); |
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changeset
|
1220 |
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|
1221 n = code->n; |
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changeset
|
1222 |
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|
1223 if (n < r->ncaptures) { |
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parents:
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changeset
|
1224 |
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changeset
|
1225 cap = r->captures; |
912ce4113f21
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parents:
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changeset
|
1226 |
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|
1227 if ((e->is_args || e->quote) |
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changeset
|
1228 && (e->request->quoted_uri || e->request->plus_in_uri)) |
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parents:
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changeset
|
1229 { |
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changeset
|
1230 p = r->captures_data; |
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parents:
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|
1231 |
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changeset
|
1232 return cap[n + 1] - cap[n] |
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parents:
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changeset
|
1233 + 2 * ngx_escape_uri(NULL, &p[cap[n]], cap[n + 1] - cap[n], |
912ce4113f21
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|
1234 NGX_ESCAPE_ARGS); |
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changeset
|
1235 } else { |
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changeset
|
1236 return cap[n + 1] - cap[n]; |
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changeset
|
1237 } |
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|
1238 } |
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|
1239 |
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changeset
|
1240 return 0; |
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changeset
|
1241 } |
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changeset
|
1242 |
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changeset
|
1243 |
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changeset
|
1244 void |
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changeset
|
1245 ngx_http_script_copy_capture_code(ngx_http_script_engine_t *e) |
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changeset
|
1246 { |
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changeset
|
1247 int *cap; |
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changeset
|
1248 u_char *p, *pos; |
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changeset
|
1249 ngx_uint_t n; |
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changeset
|
1250 ngx_http_request_t *r; |
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1251 ngx_http_script_copy_capture_code_t *code; |
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1252 |
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1253 r = e->request; |
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1254 |
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1255 code = (ngx_http_script_copy_capture_code_t *) e->ip; |
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1256 |
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1257 e->ip += sizeof(ngx_http_script_copy_capture_code_t); |
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1258 |
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1259 n = code->n; |
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1260 |
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1261 pos = e->pos; |
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1262 |
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1263 if (n < r->ncaptures) { |
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1264 |
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1265 cap = r->captures; |
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1266 p = r->captures_data; |
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1267 |
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1268 if ((e->is_args || e->quote) |
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1269 && (e->request->quoted_uri || e->request->plus_in_uri)) |
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1270 { |
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1271 e->pos = (u_char *) ngx_escape_uri(pos, &p[cap[n]], |
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1272 cap[n + 1] - cap[n], |
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1273 NGX_ESCAPE_ARGS); |
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1274 } else { |
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1275 e->pos = ngx_copy(pos, &p[cap[n]], cap[n + 1] - cap[n]); |
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1276 } |
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1277 } |
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1278 |
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1279 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, |
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1280 "http script capture: \"%*s\"", e->pos - pos, pos); |
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1281 } |
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1282 |
517 | 1283 #endif |
1284 | |
509 | 1285 |
2587
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1286 static ngx_int_t |
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1287 ngx_http_script_add_full_name_code(ngx_http_script_compile_t *sc) |
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1288 { |
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1289 ngx_http_script_full_name_code_t *code; |
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1290 |
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1291 code = ngx_http_script_add_code(*sc->lengths, |
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1292 sizeof(ngx_http_script_full_name_code_t), |
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1293 NULL); |
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1294 if (code == NULL) { |
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1295 return NGX_ERROR; |
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1296 } |
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1297 |
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1298 code->code = (ngx_http_script_code_pt) ngx_http_script_full_name_len_code; |
2758 | 1299 code->conf_prefix = sc->conf_prefix; |
2587
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1300 |
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1301 code = ngx_http_script_add_code(*sc->values, |
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1302 sizeof(ngx_http_script_full_name_code_t), |
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1303 &sc->main); |
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1304 if (code == NULL) { |
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1305 return NGX_ERROR; |
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1306 } |
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1307 |
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1308 code->code = ngx_http_script_full_name_code; |
2758 | 1309 code->conf_prefix = sc->conf_prefix; |
2587
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1310 |
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1311 return NGX_OK; |
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1312 } |
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1313 |
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1314 |
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1315 static size_t |
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1316 ngx_http_script_full_name_len_code(ngx_http_script_engine_t *e) |
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1317 { |
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1318 ngx_http_script_full_name_code_t *code; |
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1319 |
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1320 code = (ngx_http_script_full_name_code_t *) e->ip; |
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1321 |
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1322 e->ip += sizeof(ngx_http_script_full_name_code_t); |
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1323 |
2758 | 1324 return code->conf_prefix ? ngx_cycle->conf_prefix.len: |
1325 ngx_cycle->prefix.len; | |
2587
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1326 } |
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1327 |
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1328 |
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1329 static void |
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1330 ngx_http_script_full_name_code(ngx_http_script_engine_t *e) |
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1331 { |
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1332 ngx_http_script_full_name_code_t *code; |
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1333 |
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1334 ngx_str_t value; |
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1335 |
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1336 code = (ngx_http_script_full_name_code_t *) e->ip; |
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1337 |
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1338 value.data = e->buf.data; |
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1339 value.len = e->pos - e->buf.data; |
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1340 |
2758 | 1341 if (ngx_conf_full_name((ngx_cycle_t *) ngx_cycle, &value, code->conf_prefix) |
2587
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1342 != NGX_OK) |
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1343 { |
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1344 e->ip = ngx_http_script_exit; |
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1345 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; |
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1346 return; |
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1347 } |
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1348 |
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1349 e->buf = value; |
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1350 |
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1351 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, |
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1352 "http script fullname: \"%V\"", &value); |
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1353 |
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1354 e->ip += sizeof(ngx_http_script_full_name_code_t); |
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1355 } |
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1356 |
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1357 |
509 | 1358 void |
1359 ngx_http_script_return_code(ngx_http_script_engine_t *e) | |
577 | 1360 { |
509 | 1361 ngx_http_script_return_code_t *code; |
577 | 1362 |
509 | 1363 code = (ngx_http_script_return_code_t *) e->ip; |
1364 | |
3633 | 1365 if (code->status < NGX_HTTP_BAD_REQUEST |
1366 || code->text.value.len | |
1367 || code->text.lengths) | |
1368 { | |
1369 e->status = ngx_http_send_response(e->request, code->status, NULL, | |
1370 &code->text); | |
1371 } else { | |
1372 e->status = code->status; | |
653 | 1373 } |
1374 | |
3633 | 1375 e->ip = ngx_http_script_exit; |
479 | 1376 } |
509 | 1377 |
1378 | |
1379 void | |
527 | 1380 ngx_http_script_break_code(ngx_http_script_engine_t *e) |
1381 { | |
1382 e->request->uri_changed = 0; | |
1383 | |
1384 e->ip = ngx_http_script_exit; | |
1385 } | |
1386 | |
1387 | |
1388 void | |
509 | 1389 ngx_http_script_if_code(ngx_http_script_engine_t *e) |
1390 { | |
1391 ngx_http_script_if_code_t *code; | |
1392 | |
1393 code = (ngx_http_script_if_code_t *) e->ip; | |
1394 | |
1395 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
1396 "http script if"); | |
1397 | |
1398 e->sp--; | |
1399 | |
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1400 if (e->sp->len && (e->sp->len !=1 || e->sp->data[0] != '0')) { |
509 | 1401 if (code->loc_conf) { |
1402 e->request->loc_conf = code->loc_conf; | |
535 | 1403 ngx_http_update_location_config(e->request); |
509 | 1404 } |
1405 | |
1406 e->ip += sizeof(ngx_http_script_if_code_t); | |
1407 return; | |
1408 } | |
1409 | |
1410 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
577 | 1411 "http script if: false"); |
509 | 1412 |
1413 e->ip += code->next; | |
1414 } | |
1415 | |
1416 | |
1417 void | |
577 | 1418 ngx_http_script_equal_code(ngx_http_script_engine_t *e) |
1419 { | |
1420 ngx_http_variable_value_t *val, *res; | |
1421 | |
1422 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
1423 "http script equal"); | |
1424 | |
1425 e->sp--; | |
1426 val = e->sp; | |
1427 res = e->sp - 1; | |
1428 | |
1429 e->ip += sizeof(uintptr_t); | |
1430 | |
2393 | 1431 if (val->len == res->len |
1432 && ngx_strncmp(val->data, res->data, res->len) == 0) | |
577 | 1433 { |
1434 *res = ngx_http_variable_true_value; | |
1435 return; | |
1436 } | |
1437 | |
1438 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
1439 "http script equal: no"); | |
1440 | |
1441 *res = ngx_http_variable_null_value; | |
1442 } | |
1443 | |
1444 | |
1445 void | |
1446 ngx_http_script_not_equal_code(ngx_http_script_engine_t *e) | |
1447 { | |
1448 ngx_http_variable_value_t *val, *res; | |
1449 | |
1450 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
1451 "http script not equal"); | |
1452 | |
1453 e->sp--; | |
1454 val = e->sp; | |
1455 res = e->sp - 1; | |
1456 | |
1457 e->ip += sizeof(uintptr_t); | |
1458 | |
2393 | 1459 if (val->len == res->len |
1460 && ngx_strncmp(val->data, res->data, res->len) == 0) | |
577 | 1461 { |
1462 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
1463 "http script not equal: no"); | |
1464 | |
1465 *res = ngx_http_variable_null_value; | |
1466 return; | |
1467 } | |
1468 | |
1469 *res = ngx_http_variable_true_value; | |
1470 } | |
1471 | |
1472 | |
1473 void | |
631 | 1474 ngx_http_script_file_code(ngx_http_script_engine_t *e) |
1475 { | |
1454 | 1476 ngx_str_t path; |
1477 ngx_http_request_t *r; | |
1478 ngx_open_file_info_t of; | |
1479 ngx_http_core_loc_conf_t *clcf; | |
631 | 1480 ngx_http_variable_value_t *value; |
1481 ngx_http_script_file_code_t *code; | |
1482 | |
1483 value = e->sp - 1; | |
1484 | |
1485 code = (ngx_http_script_file_code_t *) e->ip; | |
1486 e->ip += sizeof(ngx_http_script_file_code_t); | |
1487 | |
1454 | 1488 path.len = value->len - 1; |
1489 path.data = value->data; | |
1490 | |
1491 r = e->request; | |
1492 | |
1493 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
1494 "http script file op %p \"%V\"", code->op, &path); | |
1495 | |
1496 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
631 | 1497 |
2068
75a8d34459c5
ngx_memzero() ngx_open_file_info_t
Igor Sysoev <igor@sysoev.ru>
parents:
2063
diff
changeset
|
1498 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
|
1499 |
3178 | 1500 of.read_ahead = clcf->read_ahead; |
2129 | 1501 of.directio = clcf->directio; |
1767
c42431762903
open_file_cache_retest > open_file_cache_valid
Igor Sysoev <igor@sysoev.ru>
parents:
1593
diff
changeset
|
1502 of.valid = clcf->open_file_cache_valid; |
1772 | 1503 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
|
1504 of.test_only = 1; |
1454 | 1505 of.errors = clcf->open_file_cache_errors; |
1457 | 1506 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
|
1507 |
13e09cf11d4e
Disable symlinks: initialization of the "disable_symlinks" field in
Valentin Bartenev <vbart@nginx.com>
parents:
4478
diff
changeset
|
1508 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
|
1509 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
|
1510 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
|
1511 return; |
13e09cf11d4e
Disable symlinks: initialization of the "disable_symlinks" field in
Valentin Bartenev <vbart@nginx.com>
parents:
4478
diff
changeset
|
1512 } |
631 | 1513 |
1454 | 1514 if (ngx_open_cached_file(clcf->open_file_cache, &path, &of, r->pool) |
1799 | 1515 != NGX_OK) |
1454 | 1516 { |
3160
a7637c2c1157
low ENAMETOOLONG logging level
Igor Sysoev <igor@sysoev.ru>
parents:
2979
diff
changeset
|
1517 if (of.err != NGX_ENOENT |
a7637c2c1157
low ENAMETOOLONG logging level
Igor Sysoev <igor@sysoev.ru>
parents:
2979
diff
changeset
|
1518 && of.err != NGX_ENOTDIR |
a7637c2c1157
low ENAMETOOLONG logging level
Igor Sysoev <igor@sysoev.ru>
parents:
2979
diff
changeset
|
1519 && of.err != NGX_ENAMETOOLONG) |
a7637c2c1157
low ENAMETOOLONG logging level
Igor Sysoev <igor@sysoev.ru>
parents:
2979
diff
changeset
|
1520 { |
1454 | 1521 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
|
1522 "%s \"%s\" failed", of.failed, value->data); |
631 | 1523 } |
1524 | |
1525 switch (code->op) { | |
671 | 1526 |
631 | 1527 case ngx_http_script_file_plain: |
669 | 1528 case ngx_http_script_file_dir: |
1529 case ngx_http_script_file_exists: | |
1530 case ngx_http_script_file_exec: | |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1531 goto false_value; |
671 | 1532 |
631 | 1533 case ngx_http_script_file_not_plain: |
669 | 1534 case ngx_http_script_file_not_dir: |
671 | 1535 case ngx_http_script_file_not_exists: |
669 | 1536 case ngx_http_script_file_not_exec: |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1537 goto true_value; |
631 | 1538 } |
1539 | |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1540 goto false_value; |
631 | 1541 } |
1542 | |
1543 switch (code->op) { | |
1544 case ngx_http_script_file_plain: | |
1454 | 1545 if (of.is_file) { |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1546 goto true_value; |
631 | 1547 } |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1548 goto false_value; |
631 | 1549 |
1550 case ngx_http_script_file_not_plain: | |
1454 | 1551 if (of.is_file) { |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1552 goto false_value; |
631 | 1553 } |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1554 goto true_value; |
669 | 1555 |
1556 case ngx_http_script_file_dir: | |
1454 | 1557 if (of.is_dir) { |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1558 goto true_value; |
669 | 1559 } |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1560 goto false_value; |
669 | 1561 |
1562 case ngx_http_script_file_not_dir: | |
1454 | 1563 if (of.is_dir) { |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1564 goto false_value; |
669 | 1565 } |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1566 goto true_value; |
669 | 1567 |
1568 case ngx_http_script_file_exists: | |
1454 | 1569 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
|
1570 goto true_value; |
669 | 1571 } |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1572 goto false_value; |
669 | 1573 |
1574 case ngx_http_script_file_not_exists: | |
1454 | 1575 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
|
1576 goto false_value; |
669 | 1577 } |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1578 goto true_value; |
669 | 1579 |
1580 case ngx_http_script_file_exec: | |
1454 | 1581 if (of.is_exec) { |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1582 goto true_value; |
669 | 1583 } |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1584 goto false_value; |
669 | 1585 |
1586 case ngx_http_script_file_not_exec: | |
1454 | 1587 if (of.is_exec) { |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1588 goto false_value; |
669 | 1589 } |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1590 goto true_value; |
631 | 1591 } |
1592 | |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1593 false_value: |
631 | 1594 |
1454 | 1595 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
631 | 1596 "http script file op false"); |
1597 | |
1598 *value = ngx_http_variable_null_value; | |
1599 return; | |
1600 | |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1601 true_value: |
631 | 1602 |
1603 *value = ngx_http_variable_true_value; | |
1604 return; | |
1605 } | |
1606 | |
1607 | |
1608 void | |
515 | 1609 ngx_http_script_complex_value_code(ngx_http_script_engine_t *e) |
1610 { | |
1611 size_t len; | |
1612 ngx_http_script_engine_t le; | |
1613 ngx_http_script_len_code_pt lcode; | |
1614 ngx_http_script_complex_value_code_t *code; | |
1615 | |
1616 code = (ngx_http_script_complex_value_code_t *) e->ip; | |
1617 | |
1618 e->ip += sizeof(ngx_http_script_complex_value_code_t); | |
1619 | |
1620 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
1621 "http script complex value"); | |
1622 | |
1623 ngx_memzero(&le, sizeof(ngx_http_script_engine_t)); | |
1624 | |
1625 le.ip = code->lengths->elts; | |
655 | 1626 le.line = e->line; |
515 | 1627 le.request = e->request; |
655 | 1628 le.quote = e->quote; |
515 | 1629 |
1630 for (len = 0; *(uintptr_t *) le.ip; len += lcode(&le)) { | |
1631 lcode = *(ngx_http_script_len_code_pt *) le.ip; | |
1632 } | |
1633 | |
1634 e->buf.len = len; | |
2049 | 1635 e->buf.data = ngx_pnalloc(e->request->pool, len); |
515 | 1636 if (e->buf.data == NULL) { |
1637 e->ip = ngx_http_script_exit; | |
1638 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
1639 return; | |
1640 } | |
1641 | |
1642 e->pos = e->buf.data; | |
1643 | |
577 | 1644 e->sp->len = e->buf.len; |
573 | 1645 e->sp->data = e->buf.data; |
515 | 1646 e->sp++; |
1647 } | |
1648 | |
1649 | |
1650 void | |
509 | 1651 ngx_http_script_value_code(ngx_http_script_engine_t *e) |
1652 { | |
1653 ngx_http_script_value_code_t *code; | |
1654 | |
1655 code = (ngx_http_script_value_code_t *) e->ip; | |
1656 | |
1657 e->ip += sizeof(ngx_http_script_value_code_t); | |
1658 | |
573 | 1659 e->sp->len = code->text_len; |
1660 e->sp->data = (u_char *) code->text_data; | |
577 | 1661 |
1662 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
1561 | 1663 "http script value: \"%v\"", e->sp); |
577 | 1664 |
509 | 1665 e->sp++; |
1666 } | |
1667 | |
1668 | |
1669 void | |
1670 ngx_http_script_set_var_code(ngx_http_script_engine_t *e) | |
1671 { | |
1672 ngx_http_request_t *r; | |
1673 ngx_http_script_var_code_t *code; | |
1674 | |
1675 code = (ngx_http_script_var_code_t *) e->ip; | |
1676 | |
1677 e->ip += sizeof(ngx_http_script_var_code_t); | |
1678 | |
1679 r = e->request; | |
1680 | |
1681 e->sp--; | |
1682 | |
573 | 1683 r->variables[code->index].len = e->sp->len; |
1684 r->variables[code->index].valid = 1; | |
1565 | 1685 r->variables[code->index].no_cacheable = 0; |
573 | 1686 r->variables[code->index].not_found = 0; |
1687 r->variables[code->index].data = e->sp->data; | |
2393 | 1688 |
1689 #if (NGX_DEBUG) | |
1690 { | |
1691 ngx_http_variable_t *v; | |
1692 ngx_http_core_main_conf_t *cmcf; | |
1693 | |
1694 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); | |
1695 | |
1696 v = cmcf->variables.elts; | |
1697 | |
1698 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
1699 "http script set $%V", &v[code->index].name); | |
1700 } | |
1701 #endif | |
509 | 1702 } |
1703 | |
1704 | |
1705 void | |
637 | 1706 ngx_http_script_var_set_handler_code(ngx_http_script_engine_t *e) |
1707 { | |
1708 ngx_http_script_var_handler_code_t *code; | |
1709 | |
1710 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
1711 "http script set var handler"); | |
1712 | |
1713 code = (ngx_http_script_var_handler_code_t *) e->ip; | |
1714 | |
1715 e->ip += sizeof(ngx_http_script_var_handler_code_t); | |
1716 | |
1717 e->sp--; | |
1718 | |
1719 code->handler(e->request, e->sp, code->data); | |
1720 } | |
1721 | |
1722 | |
1723 void | |
509 | 1724 ngx_http_script_var_code(ngx_http_script_engine_t *e) |
1725 { | |
1726 ngx_http_variable_value_t *value; | |
1727 ngx_http_script_var_code_t *code; | |
1728 | |
1729 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
1730 "http script var"); | |
1731 | |
1732 code = (ngx_http_script_var_code_t *) e->ip; | |
1733 | |
1734 e->ip += sizeof(ngx_http_script_var_code_t); | |
1735 | |
573 | 1736 value = ngx_http_get_flushed_variable(e->request, code->index); |
509 | 1737 |
573 | 1738 if (value && !value->not_found) { |
1739 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
|
1740 "http script var: \"%v\"", value); |
573 | 1741 |
553 | 1742 *e->sp = *value; |
509 | 1743 e->sp++; |
1744 | |
1745 return; | |
1746 } | |
1747 | |
577 | 1748 *e->sp = ngx_http_variable_null_value; |
509 | 1749 e->sp++; |
1750 } | |
1751 | |
1752 | |
1753 void | |
1754 ngx_http_script_nop_code(ngx_http_script_engine_t *e) | |
1755 { | |
1756 e->ip += sizeof(uintptr_t); | |
1757 } |