Mercurial > hg > nginx
annotate src/http/ngx_http_script.c @ 4437:3a1507f48686 stable-1.0
Merge of r4372, r4373, r4374:
SCGI fixes:
*) Fixed incorrect use of r->http_version in scgi module.
The r->http_version is a version of client's request, and modules
must not set it unless they are really willing to downgrade protocol
version used for a response (i.e. to HTTP/0.9 if no response headers
are available). In neither case r->http_version may be upgraded.
The former code downgraded response from HTTP/1.1 to HTTP/1.0 for no
reason, causing various problems (see ticket #66). It was also
possible that HTTP/0.9 requests were upgraded to HTTP/1.0.
*) Removed duplicate function declaration.
*) Removed error if there is no Status header.
The SCGI specification doesn't specify format of the response, and
assuming CGI specs should be used there is no reason to complain.
RFC 3875 explicitly states that "A Status header field is optional,
and status 200 'OK' is assumed if it is omitted".
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Sun, 05 Feb 2012 13:53:50 +0000 |
parents | b79dbadb3d5e |
children | d620f497c50f |
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 |
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4 */ |
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6 |
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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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9 #include <ngx_http.h> |
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10 |
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11 |
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12 static ngx_int_t ngx_http_script_init_arrays(ngx_http_script_compile_t *sc); |
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13 static ngx_int_t ngx_http_script_done(ngx_http_script_compile_t *sc); |
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14 static ngx_int_t ngx_http_script_add_copy_code(ngx_http_script_compile_t *sc, |
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15 ngx_str_t *value, ngx_uint_t last); |
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16 static ngx_int_t ngx_http_script_add_var_code(ngx_http_script_compile_t *sc, |
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17 ngx_str_t *name); |
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18 static ngx_int_t ngx_http_script_add_args_code(ngx_http_script_compile_t *sc); |
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19 #if (NGX_PCRE) |
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20 static ngx_int_t ngx_http_script_add_capture_code(ngx_http_script_compile_t *sc, |
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21 ngx_uint_t n); |
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22 #endif |
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23 static ngx_int_t |
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24 ngx_http_script_add_full_name_code(ngx_http_script_compile_t *sc); |
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25 static size_t ngx_http_script_full_name_len_code(ngx_http_script_engine_t *e); |
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26 static void ngx_http_script_full_name_code(ngx_http_script_engine_t *e); |
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27 |
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28 |
509 | 29 #define ngx_http_script_exit (u_char *) &ngx_http_script_exit_code |
30 | |
31 static uintptr_t ngx_http_script_exit_code = (uintptr_t) NULL; | |
32 | |
33 | |
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34 void |
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35 ngx_http_script_flush_complex_value(ngx_http_request_t *r, |
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36 ngx_http_complex_value_t *val) |
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37 { |
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38 ngx_uint_t *index; |
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39 |
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40 index = val->flushes; |
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41 |
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42 if (index) { |
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43 while (*index != (ngx_uint_t) -1) { |
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44 |
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45 if (r->variables[*index].no_cacheable) { |
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46 r->variables[*index].valid = 0; |
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47 r->variables[*index].not_found = 0; |
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48 } |
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49 |
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50 index++; |
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51 } |
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52 } |
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53 } |
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54 |
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55 |
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56 ngx_int_t |
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57 ngx_http_complex_value(ngx_http_request_t *r, ngx_http_complex_value_t *val, |
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58 ngx_str_t *value) |
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59 { |
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60 size_t len; |
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61 ngx_http_script_code_pt code; |
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62 ngx_http_script_len_code_pt lcode; |
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63 ngx_http_script_engine_t e; |
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64 |
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65 if (val->lengths == NULL) { |
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66 *value = val->value; |
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67 return NGX_OK; |
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68 } |
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69 |
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70 ngx_http_script_flush_complex_value(r, val); |
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71 |
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72 ngx_memzero(&e, sizeof(ngx_http_script_engine_t)); |
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73 |
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74 e.ip = val->lengths; |
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75 e.request = r; |
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76 e.flushed = 1; |
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77 |
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78 len = 0; |
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79 |
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80 while (*(uintptr_t *) e.ip) { |
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81 lcode = *(ngx_http_script_len_code_pt *) e.ip; |
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82 len += lcode(&e); |
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83 } |
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84 |
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85 value->len = len; |
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86 value->data = ngx_pnalloc(r->pool, len); |
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87 if (value->data == NULL) { |
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88 return NGX_ERROR; |
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89 } |
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90 |
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91 e.ip = val->values; |
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92 e.pos = value->data; |
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93 e.buf = *value; |
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94 |
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95 while (*(uintptr_t *) e.ip) { |
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96 code = *(ngx_http_script_code_pt *) e.ip; |
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97 code((ngx_http_script_engine_t *) &e); |
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98 } |
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99 |
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100 *value = e.buf; |
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101 |
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102 return NGX_OK; |
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103 } |
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104 |
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105 |
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106 ngx_int_t |
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107 ngx_http_compile_complex_value(ngx_http_compile_complex_value_t *ccv) |
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108 { |
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109 ngx_str_t *v; |
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110 ngx_uint_t i, n, nv, nc; |
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111 ngx_array_t flushes, lengths, values, *pf, *pl, *pv; |
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112 ngx_http_script_compile_t sc; |
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113 |
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114 v = ccv->value; |
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115 |
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116 if (v->len == 0) { |
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117 ngx_conf_log_error(NGX_LOG_EMERG, ccv->cf, 0, "empty parameter"); |
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118 return NGX_ERROR; |
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119 } |
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120 |
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121 nv = 0; |
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122 nc = 0; |
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123 |
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124 for (i = 0; i < v->len; i++) { |
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125 if (v->data[i] == '$') { |
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126 if (v->data[i + 1] >= '1' && v->data[i + 1] <= '9') { |
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127 nc++; |
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128 |
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129 } else { |
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130 nv++; |
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131 } |
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132 } |
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133 } |
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134 |
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135 if (v->data[0] != '$' && (ccv->conf_prefix || ccv->root_prefix)) { |
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136 |
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137 if (ngx_conf_full_name(ccv->cf->cycle, v, ccv->conf_prefix) != NGX_OK) { |
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138 return NGX_ERROR; |
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139 } |
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140 |
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141 ccv->conf_prefix = 0; |
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142 ccv->root_prefix = 0; |
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143 } |
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144 |
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145 ccv->complex_value->value = *v; |
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146 ccv->complex_value->flushes = NULL; |
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147 ccv->complex_value->lengths = NULL; |
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148 ccv->complex_value->values = NULL; |
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149 |
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150 if (nv == 0 && nc == 0) { |
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151 return NGX_OK; |
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152 } |
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153 |
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154 n = nv + 1; |
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155 |
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156 if (ngx_array_init(&flushes, ccv->cf->pool, n, sizeof(ngx_uint_t)) |
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157 != NGX_OK) |
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158 { |
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159 return NGX_ERROR; |
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160 } |
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161 |
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162 n = nv * (2 * sizeof(ngx_http_script_copy_code_t) |
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163 + sizeof(ngx_http_script_var_code_t)) |
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164 + sizeof(uintptr_t); |
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165 |
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166 if (ngx_array_init(&lengths, ccv->cf->pool, n, 1) != NGX_OK) { |
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167 return NGX_ERROR; |
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168 } |
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169 |
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170 n = (nv * (2 * sizeof(ngx_http_script_copy_code_t) |
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171 + sizeof(ngx_http_script_var_code_t)) |
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172 + sizeof(uintptr_t) |
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173 + v->len |
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174 + sizeof(uintptr_t) - 1) |
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175 & ~(sizeof(uintptr_t) - 1); |
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176 |
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177 if (ngx_array_init(&values, ccv->cf->pool, n, 1) != NGX_OK) { |
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178 return NGX_ERROR; |
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179 } |
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180 |
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181 pf = &flushes; |
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182 pl = &lengths; |
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183 pv = &values; |
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184 |
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185 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); |
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186 |
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187 sc.cf = ccv->cf; |
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188 sc.source = v; |
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189 sc.flushes = &pf; |
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190 sc.lengths = &pl; |
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191 sc.values = &pv; |
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192 sc.complete_lengths = 1; |
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193 sc.complete_values = 1; |
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194 sc.zero = ccv->zero; |
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195 sc.conf_prefix = ccv->conf_prefix; |
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196 sc.root_prefix = ccv->root_prefix; |
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197 |
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198 if (ngx_http_script_compile(&sc) != NGX_OK) { |
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199 return NGX_ERROR; |
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200 } |
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201 |
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202 if (flushes.nelts) { |
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203 ccv->complex_value->flushes = flushes.elts; |
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204 ccv->complex_value->flushes[flushes.nelts] = (ngx_uint_t) -1; |
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205 } |
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206 |
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207 ccv->complex_value->lengths = lengths.elts; |
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208 ccv->complex_value->values = values.elts; |
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209 |
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210 return NGX_OK; |
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211 } |
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212 |
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213 |
3756
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214 char * |
3761 | 215 ngx_http_set_complex_value_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
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216 { |
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217 char *p = conf; |
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218 |
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219 ngx_str_t *value; |
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220 ngx_http_complex_value_t **cv; |
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221 ngx_http_compile_complex_value_t ccv; |
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222 |
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223 cv = (ngx_http_complex_value_t **) (p + cmd->offset); |
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224 |
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225 if (*cv != NULL) { |
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226 return "duplicate"; |
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227 } |
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228 |
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229 *cv = ngx_palloc(cf->pool, sizeof(ngx_http_complex_value_t)); |
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230 if (*cv == NULL) { |
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231 return NGX_CONF_ERROR; |
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232 } |
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233 |
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234 value = cf->args->elts; |
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235 |
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236 ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t)); |
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237 |
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238 ccv.cf = cf; |
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239 ccv.value = &value[1]; |
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240 ccv.complex_value = *cv; |
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241 |
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242 if (ngx_http_compile_complex_value(&ccv) != NGX_OK) { |
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243 return NGX_CONF_ERROR; |
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244 } |
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245 |
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246 return NGX_CONF_OK; |
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247 } |
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248 |
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249 |
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250 ngx_int_t |
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251 ngx_http_test_predicates(ngx_http_request_t *r, ngx_array_t *predicates) |
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252 { |
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253 ngx_str_t val; |
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254 ngx_uint_t i; |
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255 ngx_http_complex_value_t *cv; |
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256 |
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257 if (predicates == NULL) { |
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258 return NGX_OK; |
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259 } |
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260 |
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261 cv = predicates->elts; |
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262 |
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263 for (i = 0; i < predicates->nelts; i++) { |
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264 if (ngx_http_complex_value(r, &cv[i], &val) != NGX_OK) { |
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265 return NGX_ERROR; |
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266 } |
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267 |
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268 if (val.len && (val.len != 1 || val.data[0] != '0')) { |
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269 return NGX_DECLINED; |
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270 } |
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271 } |
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272 |
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273 return NGX_OK; |
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274 } |
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275 |
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276 |
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277 char * |
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278 ngx_http_set_predicate_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
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279 { |
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280 char *p = conf; |
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281 |
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282 ngx_str_t *value; |
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283 ngx_uint_t i; |
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284 ngx_array_t **a; |
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285 ngx_http_complex_value_t *cv; |
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286 ngx_http_compile_complex_value_t ccv; |
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287 |
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288 a = (ngx_array_t **) (p + cmd->offset); |
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289 |
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290 if (*a == NGX_CONF_UNSET_PTR) { |
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291 *a = ngx_array_create(cf->pool, 1, sizeof(ngx_http_complex_value_t)); |
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292 if (*a == NULL) { |
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293 return NGX_CONF_ERROR; |
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294 } |
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295 } |
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296 |
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297 value = cf->args->elts; |
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298 |
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299 for (i = 1; i < cf->args->nelts; i++) { |
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300 cv = ngx_array_push(*a); |
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301 if (cv == NULL) { |
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302 return NGX_CONF_ERROR; |
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303 } |
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304 |
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305 ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t)); |
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306 |
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307 ccv.cf = cf; |
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308 ccv.value = &value[i]; |
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309 ccv.complex_value = cv; |
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310 |
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311 if (ngx_http_compile_complex_value(&ccv) != NGX_OK) { |
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312 return NGX_CONF_ERROR; |
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313 } |
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314 } |
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315 |
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316 return NGX_CONF_OK; |
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317 } |
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318 |
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319 |
509 | 320 ngx_uint_t |
321 ngx_http_script_variables_count(ngx_str_t *value) | |
99
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322 { |
509 | 323 ngx_uint_t i, n; |
507 | 324 |
509 | 325 for (n = 0, i = 0; i < value->len; i++) { |
326 if (value->data[i] == '$') { | |
327 n++; | |
328 } | |
507 | 329 } |
330 | |
509 | 331 return n; |
332 } | |
333 | |
334 | |
335 ngx_int_t | |
336 ngx_http_script_compile(ngx_http_script_compile_t *sc) | |
337 { | |
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338 u_char ch; |
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339 ngx_str_t name; |
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340 ngx_uint_t i, bracket; |
573 | 341 |
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342 if (ngx_http_script_init_arrays(sc) != NGX_OK) { |
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343 return NGX_ERROR; |
509 | 344 } |
345 | |
346 for (i = 0; i < sc->source->len; /* void */ ) { | |
347 | |
348 name.len = 0; | |
349 | |
350 if (sc->source->data[i] == '$') { | |
351 | |
352 if (++i == sc->source->len) { | |
353 goto invalid_variable; | |
354 } | |
355 | |
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356 #if (NGX_PCRE) |
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357 { |
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358 ngx_uint_t n; |
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359 |
509 | 360 if (sc->source->data[i] >= '1' && sc->source->data[i] <= '9') { |
361 | |
641 | 362 n = sc->source->data[i] - '0'; |
363 | |
364 if (sc->captures_mask & (1 << n)) { | |
365 sc->dup_capture = 1; | |
366 } | |
367 | |
368 sc->captures_mask |= 1 << n; | |
369 | |
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370 if (ngx_http_script_add_capture_code(sc, n) != NGX_OK) { |
509 | 371 return NGX_ERROR; |
372 } | |
373 | |
374 i++; | |
375 | |
376 continue; | |
377 } | |
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378 } |
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379 #endif |
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380 |
509 | 381 if (sc->source->data[i] == '{') { |
382 bracket = 1; | |
383 | |
384 if (++i == sc->source->len) { | |
385 goto invalid_variable; | |
386 } | |
387 | |
388 name.data = &sc->source->data[i]; | |
389 | |
390 } else { | |
391 bracket = 0; | |
392 name.data = &sc->source->data[i]; | |
393 } | |
394 | |
395 for ( /* void */ ; i < sc->source->len; i++, name.len++) { | |
396 ch = sc->source->data[i]; | |
507 | 397 |
509 | 398 if (ch == '}' && bracket) { |
399 i++; | |
400 bracket = 0; | |
401 break; | |
402 } | |
403 | |
404 if ((ch >= 'A' && ch <= 'Z') | |
405 || (ch >= 'a' && ch <= 'z') | |
406 || (ch >= '0' && ch <= '9') | |
407 || ch == '_') | |
408 { | |
409 continue; | |
410 } | |
411 | |
412 break; | |
413 } | |
414 | |
415 if (bracket) { | |
416 ngx_conf_log_error(NGX_LOG_EMERG, sc->cf, 0, | |
417 "the closing bracket in \"%V\" " | |
418 "variable is missing", &name); | |
507 | 419 return NGX_ERROR; |
420 } | |
421 | |
509 | 422 if (name.len == 0) { |
423 goto invalid_variable; | |
424 } | |
507 | 425 |
509 | 426 sc->variables++; |
507 | 427 |
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428 if (ngx_http_script_add_var_code(sc, &name) != NGX_OK) { |
507 | 429 return NGX_ERROR; |
430 } | |
99
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431 |
509 | 432 continue; |
433 } | |
507 | 434 |
509 | 435 if (sc->source->data[i] == '?' && sc->compile_args) { |
436 sc->args = 1; | |
437 sc->compile_args = 0; | |
99
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438 |
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439 if (ngx_http_script_add_args_code(sc) != NGX_OK) { |
1891
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440 return NGX_ERROR; |
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441 } |
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442 |
509 | 443 i++; |
444 | |
507 | 445 continue; |
446 } | |
447 | |
509 | 448 name.data = &sc->source->data[i]; |
449 | |
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450 while (i < sc->source->len) { |
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451 |
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452 if (sc->source->data[i] == '$') { |
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453 break; |
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454 } |
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455 |
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456 if (sc->source->data[i] == '?') { |
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457 |
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458 sc->args = 1; |
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459 |
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460 if (sc->compile_args) { |
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461 break; |
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462 } |
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463 } |
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464 |
509 | 465 i++; |
466 name.len++; | |
467 } | |
468 | |
469 sc->size += name.len; | |
470 | |
2587
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471 if (ngx_http_script_add_copy_code(sc, &name, (i == sc->source->len)) |
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472 != NGX_OK) |
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473 { |
509 | 474 return NGX_ERROR; |
475 } | |
507 | 476 } |
477 | |
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478 return ngx_http_script_done(sc); |
509 | 479 |
480 invalid_variable: | |
481 | |
482 ngx_conf_log_error(NGX_LOG_EMERG, sc->cf, 0, "invalid variable name"); | |
483 | |
484 return NGX_ERROR; | |
99
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485 } |
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486 |
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487 |
623 | 488 u_char * |
489 ngx_http_script_run(ngx_http_request_t *r, ngx_str_t *value, | |
490 void *code_lengths, size_t len, void *code_values) | |
491 { | |
1152
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492 ngx_uint_t i; |
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493 ngx_http_script_code_pt code; |
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494 ngx_http_script_len_code_pt lcode; |
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495 ngx_http_script_engine_t e; |
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496 ngx_http_core_main_conf_t *cmcf; |
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497 |
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498 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); |
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499 |
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500 for (i = 0; i < cmcf->variables.nelts; i++) { |
1565 | 501 if (r->variables[i].no_cacheable) { |
1152
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502 r->variables[i].valid = 0; |
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503 r->variables[i].not_found = 0; |
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504 } |
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|
505 } |
623 | 506 |
507 ngx_memzero(&e, sizeof(ngx_http_script_engine_t)); | |
508 | |
509 e.ip = code_lengths; | |
510 e.request = r; | |
511 e.flushed = 1; | |
512 | |
513 while (*(uintptr_t *) e.ip) { | |
514 lcode = *(ngx_http_script_len_code_pt *) e.ip; | |
515 len += lcode(&e); | |
516 } | |
517 | |
518 | |
519 value->len = len; | |
2049 | 520 value->data = ngx_pnalloc(r->pool, len); |
623 | 521 if (value->data == NULL) { |
522 return NULL; | |
523 } | |
524 | |
525 e.ip = code_values; | |
526 e.pos = value->data; | |
527 | |
528 while (*(uintptr_t *) e.ip) { | |
529 code = *(ngx_http_script_code_pt *) e.ip; | |
530 code((ngx_http_script_engine_t *) &e); | |
531 } | |
532 | |
533 return e.pos; | |
534 } | |
535 | |
536 | |
573 | 537 void |
1565 | 538 ngx_http_script_flush_no_cacheable_variables(ngx_http_request_t *r, |
573 | 539 ngx_array_t *indices) |
540 { | |
541 ngx_uint_t n, *index; | |
542 | |
543 if (indices) { | |
544 index = indices->elts; | |
545 for (n = 0; n < indices->nelts; n++) { | |
1565 | 546 if (r->variables[index[n]].no_cacheable) { |
573 | 547 r->variables[index[n]].valid = 0; |
548 r->variables[index[n]].not_found = 0; | |
549 } | |
550 } | |
551 } | |
552 } | |
553 | |
554 | |
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555 static ngx_int_t |
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556 ngx_http_script_init_arrays(ngx_http_script_compile_t *sc) |
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557 { |
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558 ngx_uint_t n; |
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559 |
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560 if (sc->flushes && *sc->flushes == NULL) { |
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561 n = sc->variables ? sc->variables : 1; |
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562 *sc->flushes = ngx_array_create(sc->cf->pool, n, sizeof(ngx_uint_t)); |
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563 if (*sc->flushes == NULL) { |
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564 return NGX_ERROR; |
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565 } |
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|
566 } |
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|
567 |
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|
568 if (*sc->lengths == NULL) { |
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diff
changeset
|
569 n = sc->variables * (2 * sizeof(ngx_http_script_copy_code_t) |
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|
570 + sizeof(ngx_http_script_var_code_t)) |
2dcbcfc1a8d1
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|
571 + sizeof(uintptr_t); |
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|
572 |
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573 *sc->lengths = ngx_array_create(sc->cf->pool, n, 1); |
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574 if (*sc->lengths == NULL) { |
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575 return NGX_ERROR; |
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576 } |
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|
577 } |
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|
578 |
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|
579 if (*sc->values == NULL) { |
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|
580 n = (sc->variables * (2 * sizeof(ngx_http_script_copy_code_t) |
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|
581 + sizeof(ngx_http_script_var_code_t)) |
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|
582 + sizeof(uintptr_t) |
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|
583 + sc->source->len |
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|
584 + sizeof(uintptr_t) - 1) |
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|
585 & ~(sizeof(uintptr_t) - 1); |
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|
586 |
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|
587 *sc->values = ngx_array_create(sc->cf->pool, n, 1); |
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|
588 if (*sc->values == NULL) { |
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589 return NGX_ERROR; |
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|
590 } |
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591 } |
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592 |
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593 sc->variables = 0; |
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594 |
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595 return NGX_OK; |
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596 } |
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597 |
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598 |
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599 static ngx_int_t |
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600 ngx_http_script_done(ngx_http_script_compile_t *sc) |
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601 { |
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602 ngx_str_t zero; |
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603 uintptr_t *code; |
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604 |
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605 if (sc->zero) { |
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606 |
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607 zero.len = 1; |
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608 zero.data = (u_char *) "\0"; |
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609 |
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610 if (ngx_http_script_add_copy_code(sc, &zero, 0) != NGX_OK) { |
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611 return NGX_ERROR; |
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612 } |
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613 } |
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614 |
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615 if (sc->conf_prefix || sc->root_prefix) { |
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616 if (ngx_http_script_add_full_name_code(sc) != NGX_OK) { |
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617 return NGX_ERROR; |
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618 } |
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619 } |
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620 |
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621 if (sc->complete_lengths) { |
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622 code = ngx_http_script_add_code(*sc->lengths, sizeof(uintptr_t), NULL); |
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623 if (code == NULL) { |
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624 return NGX_ERROR; |
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625 } |
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626 |
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627 *code = (uintptr_t) NULL; |
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628 } |
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629 |
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630 if (sc->complete_values) { |
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631 code = ngx_http_script_add_code(*sc->values, sizeof(uintptr_t), |
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632 &sc->main); |
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633 if (code == NULL) { |
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634 return NGX_ERROR; |
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635 } |
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636 |
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637 *code = (uintptr_t) NULL; |
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638 } |
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639 |
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640 return NGX_OK; |
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641 } |
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642 |
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643 |
509 | 644 void * |
507 | 645 ngx_http_script_start_code(ngx_pool_t *pool, ngx_array_t **codes, size_t size) |
479 | 646 { |
507 | 647 if (*codes == NULL) { |
648 *codes = ngx_array_create(pool, 256, 1); | |
649 if (*codes == NULL) { | |
650 return NULL; | |
651 } | |
652 } | |
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653 |
507 | 654 return ngx_array_push_n(*codes, size); |
655 } | |
656 | |
509 | 657 |
658 void * | |
659 ngx_http_script_add_code(ngx_array_t *codes, size_t size, void *code) | |
660 { | |
661 u_char *elts, **p; | |
662 void *new; | |
663 | |
664 elts = codes->elts; | |
665 | |
666 new = ngx_array_push_n(codes, size); | |
667 if (new == NULL) { | |
2911 | 668 return NULL; |
509 | 669 } |
670 | |
671 if (code) { | |
672 if (elts != codes->elts) { | |
673 p = code; | |
674 *p += (u_char *) codes->elts - elts; | |
675 } | |
676 } | |
677 | |
678 return new; | |
679 } | |
507 | 680 |
479 | 681 |
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682 static ngx_int_t |
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683 ngx_http_script_add_copy_code(ngx_http_script_compile_t *sc, ngx_str_t *value, |
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684 ngx_uint_t last) |
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685 { |
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686 u_char *p; |
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687 size_t size, len, zero; |
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688 ngx_http_script_copy_code_t *code; |
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689 |
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690 zero = (sc->zero && last); |
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691 len = value->len + zero; |
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692 |
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693 code = ngx_http_script_add_code(*sc->lengths, |
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694 sizeof(ngx_http_script_copy_code_t), NULL); |
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695 if (code == NULL) { |
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696 return NGX_ERROR; |
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697 } |
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698 |
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699 code->code = (ngx_http_script_code_pt) ngx_http_script_copy_len_code; |
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700 code->len = len; |
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701 |
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702 size = (sizeof(ngx_http_script_copy_code_t) + len + sizeof(uintptr_t) - 1) |
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703 & ~(sizeof(uintptr_t) - 1); |
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704 |
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705 code = ngx_http_script_add_code(*sc->values, size, &sc->main); |
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706 if (code == NULL) { |
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707 return NGX_ERROR; |
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708 } |
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709 |
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710 code->code = ngx_http_script_copy_code; |
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711 code->len = len; |
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712 |
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713 p = ngx_cpymem((u_char *) code + sizeof(ngx_http_script_copy_code_t), |
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714 value->data, value->len); |
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715 |
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716 if (zero) { |
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717 *p = '\0'; |
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718 sc->zero = 0; |
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719 } |
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720 |
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721 return NGX_OK; |
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722 } |
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723 |
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724 |
507 | 725 size_t |
509 | 726 ngx_http_script_copy_len_code(ngx_http_script_engine_t *e) |
507 | 727 { |
728 ngx_http_script_copy_code_t *code; | |
479 | 729 |
509 | 730 code = (ngx_http_script_copy_code_t *) e->ip; |
507 | 731 |
509 | 732 e->ip += sizeof(ngx_http_script_copy_code_t); |
507 | 733 |
734 return code->len; | |
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735 } |
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736 |
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737 |
507 | 738 void |
509 | 739 ngx_http_script_copy_code(ngx_http_script_engine_t *e) |
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740 { |
2393 | 741 u_char *p; |
507 | 742 ngx_http_script_copy_code_t *code; |
743 | |
509 | 744 code = (ngx_http_script_copy_code_t *) e->ip; |
745 | |
2393 | 746 p = e->pos; |
747 | |
509 | 748 if (!e->skip) { |
2393 | 749 e->pos = ngx_copy(p, e->ip + sizeof(ngx_http_script_copy_code_t), |
573 | 750 code->len); |
509 | 751 } |
507 | 752 |
509 | 753 e->ip += sizeof(ngx_http_script_copy_code_t) |
754 + ((code->len + sizeof(uintptr_t) - 1) & ~(sizeof(uintptr_t) - 1)); | |
507 | 755 |
2393 | 756 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, |
757 "http script copy: \"%*s\"", e->pos - p, p); | |
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758 } |
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759 |
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760 |
2577
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761 static ngx_int_t |
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762 ngx_http_script_add_var_code(ngx_http_script_compile_t *sc, ngx_str_t *name) |
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763 { |
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764 ngx_int_t index, *p; |
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765 ngx_http_script_var_code_t *code; |
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766 |
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767 index = ngx_http_get_variable_index(sc->cf, name); |
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768 |
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769 if (index == NGX_ERROR) { |
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770 return NGX_ERROR; |
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771 } |
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772 |
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773 if (sc->flushes) { |
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774 p = ngx_array_push(*sc->flushes); |
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775 if (p == NULL) { |
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776 return NGX_ERROR; |
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777 } |
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778 |
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779 *p = index; |
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780 } |
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781 |
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782 code = ngx_http_script_add_code(*sc->lengths, |
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783 sizeof(ngx_http_script_var_code_t), NULL); |
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784 if (code == NULL) { |
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785 return NGX_ERROR; |
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786 } |
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787 |
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788 code->code = (ngx_http_script_code_pt) ngx_http_script_copy_var_len_code; |
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789 code->index = (uintptr_t) index; |
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790 |
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791 code = ngx_http_script_add_code(*sc->values, |
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792 sizeof(ngx_http_script_var_code_t), |
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793 &sc->main); |
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794 if (code == NULL) { |
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795 return NGX_ERROR; |
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796 } |
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797 |
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798 code->code = ngx_http_script_copy_var_code; |
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799 code->index = (uintptr_t) index; |
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800 |
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801 return NGX_OK; |
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802 } |
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803 |
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804 |
507 | 805 size_t |
509 | 806 ngx_http_script_copy_var_len_code(ngx_http_script_engine_t *e) |
99
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807 { |
507 | 808 ngx_http_variable_value_t *value; |
809 ngx_http_script_var_code_t *code; | |
810 | |
509 | 811 code = (ngx_http_script_var_code_t *) e->ip; |
507 | 812 |
509 | 813 e->ip += sizeof(ngx_http_script_var_code_t); |
507 | 814 |
573 | 815 if (e->flushed) { |
816 value = ngx_http_get_indexed_variable(e->request, code->index); | |
507 | 817 |
573 | 818 } else { |
819 value = ngx_http_get_flushed_variable(e->request, code->index); | |
820 } | |
821 | |
822 if (value && !value->not_found) { | |
823 return value->len; | |
507 | 824 } |
825 | |
553 | 826 return 0; |
99
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827 } |
479 | 828 |
829 | |
507 | 830 void |
509 | 831 ngx_http_script_copy_var_code(ngx_http_script_engine_t *e) |
479 | 832 { |
2393 | 833 u_char *p; |
507 | 834 ngx_http_variable_value_t *value; |
835 ngx_http_script_var_code_t *code; | |
836 | |
509 | 837 code = (ngx_http_script_var_code_t *) e->ip; |
838 | |
839 e->ip += sizeof(ngx_http_script_var_code_t); | |
840 | |
841 if (!e->skip) { | |
573 | 842 |
843 if (e->flushed) { | |
844 value = ngx_http_get_indexed_variable(e->request, code->index); | |
509 | 845 |
573 | 846 } else { |
847 value = ngx_http_get_flushed_variable(e->request, code->index); | |
848 } | |
849 | |
850 if (value && !value->not_found) { | |
2393 | 851 p = e->pos; |
852 e->pos = ngx_copy(p, value->data, value->len); | |
509 | 853 |
2393 | 854 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, |
845
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855 e->request->connection->log, 0, |
2393 | 856 "http script var: \"%*s\"", e->pos - p, p); |
509 | 857 } |
858 } | |
859 } | |
860 | |
861 | |
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862 static ngx_int_t |
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863 ngx_http_script_add_args_code(ngx_http_script_compile_t *sc) |
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864 { |
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865 uintptr_t *code; |
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866 |
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867 code = ngx_http_script_add_code(*sc->lengths, sizeof(uintptr_t), NULL); |
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868 if (code == NULL) { |
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869 return NGX_ERROR; |
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870 } |
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871 |
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872 *code = (uintptr_t) ngx_http_script_mark_args_code; |
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873 |
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874 code = ngx_http_script_add_code(*sc->values, sizeof(uintptr_t), &sc->main); |
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875 if (code == NULL) { |
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876 return NGX_ERROR; |
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877 } |
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878 |
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879 *code = (uintptr_t) ngx_http_script_start_args_code; |
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880 |
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881 return NGX_OK; |
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882 } |
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883 |
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884 |
509 | 885 size_t |
1891
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886 ngx_http_script_mark_args_code(ngx_http_script_engine_t *e) |
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887 { |
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888 e->is_args = 1; |
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889 e->ip += sizeof(uintptr_t); |
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890 |
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891 return 1; |
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892 } |
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893 |
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894 |
509 | 895 void |
896 ngx_http_script_start_args_code(ngx_http_script_engine_t *e) | |
897 { | |
898 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
899 "http script args"); | |
577 | 900 |
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901 e->is_args = 1; |
509 | 902 e->args = e->pos; |
903 e->ip += sizeof(uintptr_t); | |
904 } | |
905 | |
906 | |
517 | 907 #if (NGX_PCRE) |
908 | |
509 | 909 void |
910 ngx_http_script_regex_start_code(ngx_http_script_engine_t *e) | |
911 { | |
912 size_t len; | |
913 ngx_int_t rc; | |
914 ngx_uint_t n; | |
915 ngx_http_request_t *r; | |
916 ngx_http_script_engine_t le; | |
917 ngx_http_script_len_code_pt lcode; | |
918 ngx_http_script_regex_code_t *code; | |
919 | |
920 code = (ngx_http_script_regex_code_t *) e->ip; | |
921 | |
922 r = e->request; | |
923 | |
924 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
925 "http script regex: \"%V\"", &code->name); | |
926 | |
927 if (code->uri) { | |
515 | 928 e->line = r->uri; |
509 | 929 } else { |
930 e->sp--; | |
573 | 931 e->line.len = e->sp->len; |
932 e->line.data = e->sp->data; | |
509 | 933 } |
507 | 934 |
3325 | 935 rc = ngx_http_regex_exec(r, code->regex, &e->line); |
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936 |
3325 | 937 if (rc == NGX_DECLINED) { |
2397 | 938 if (e->log || (r->connection->log->log_level & NGX_LOG_DEBUG_HTTP)) { |
509 | 939 ngx_log_error(NGX_LOG_NOTICE, r->connection->log, 0, |
515 | 940 "\"%V\" does not match \"%V\"", |
941 &code->name, &e->line); | |
509 | 942 } |
943 | |
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944 r->ncaptures = 0; |
515 | 945 |
509 | 946 if (code->test) { |
631 | 947 if (code->negative_test) { |
948 e->sp->len = 1; | |
949 e->sp->data = (u_char *) "1"; | |
950 | |
951 } else { | |
952 e->sp->len = 0; | |
953 e->sp->data = (u_char *) ""; | |
954 } | |
955 | |
509 | 956 e->sp++; |
957 | |
958 e->ip += sizeof(ngx_http_script_regex_code_t); | |
959 return; | |
960 } | |
961 | |
962 e->ip += code->next; | |
963 return; | |
964 } | |
965 | |
3325 | 966 if (rc == NGX_ERROR) { |
509 | 967 e->ip = ngx_http_script_exit; |
968 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
969 return; | |
970 } | |
971 | |
2397 | 972 if (e->log || (r->connection->log->log_level & NGX_LOG_DEBUG_HTTP)) { |
509 | 973 ngx_log_error(NGX_LOG_NOTICE, r->connection->log, 0, |
515 | 974 "\"%V\" matches \"%V\"", &code->name, &e->line); |
509 | 975 } |
976 | |
977 if (code->test) { | |
631 | 978 if (code->negative_test) { |
979 e->sp->len = 0; | |
980 e->sp->data = (u_char *) ""; | |
981 | |
982 } else { | |
983 e->sp->len = 1; | |
984 e->sp->data = (u_char *) "1"; | |
985 } | |
986 | |
509 | 987 e->sp++; |
988 | |
989 e->ip += sizeof(ngx_http_script_regex_code_t); | |
990 return; | |
991 } | |
992 | |
993 if (code->status) { | |
994 e->status = code->status; | |
507 | 995 |
509 | 996 if (!code->redirect) { |
997 e->ip = ngx_http_script_exit; | |
998 return; | |
999 } | |
1000 } | |
1001 | |
1002 if (code->uri) { | |
1003 r->internal = 1; | |
1004 r->valid_unparsed_uri = 0; | |
1005 | |
1006 if (code->break_cycle) { | |
1007 r->valid_location = 0; | |
527 | 1008 r->uri_changed = 0; |
509 | 1009 |
1010 } else { | |
1011 r->uri_changed = 1; | |
1012 } | |
1013 } | |
1014 | |
1015 if (code->lengths == NULL) { | |
1016 e->buf.len = code->size; | |
1017 | |
1018 if (code->uri) { | |
3344
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fix captures in "rewrite", the bug had been introduced in r3326
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parents:
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diff
changeset
|
1019 if (r->ncaptures && (r->quoted_uri || r->plus_in_uri)) { |
509 | 1020 e->buf.len += 2 * ngx_escape_uri(NULL, r->uri.data, r->uri.len, |
1021 NGX_ESCAPE_ARGS); | |
1022 } | |
1023 } | |
1024 | |
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|
1025 for (n = 2; n < r->ncaptures; n += 2) { |
1aed55182ea2
fix captures in "rewrite", the bug had been introduced in r3326
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diff
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|
1026 e->buf.len += r->captures[n + 1] - r->captures[n]; |
509 | 1027 } |
1028 | |
1029 } else { | |
1030 ngx_memzero(&le, sizeof(ngx_http_script_engine_t)); | |
1031 | |
1032 le.ip = code->lengths->elts; | |
679 | 1033 le.line = e->line; |
509 | 1034 le.request = r; |
679 | 1035 le.quote = code->redirect; |
509 | 1036 |
1891
782af1038115
length calculation did not take into account escaped symbols in arguments
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parents:
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diff
changeset
|
1037 len = 0; |
509 | 1038 |
1039 while (*(uintptr_t *) le.ip) { | |
1040 lcode = *(ngx_http_script_len_code_pt *) le.ip; | |
1041 len += lcode(&le); | |
1042 } | |
1043 | |
1044 e->buf.len = len; | |
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length calculation did not take into account escaped symbols in arguments
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parents:
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diff
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|
1045 e->is_args = le.is_args; |
509 | 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
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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 | |
4247
b79dbadb3d5e
Merging r4147, r4148, r4149, r4150, r4207:
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diff
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|
1109 ngx_http_clear_location(r); |
b79dbadb3d5e
Merging r4147, r4148, r4149, r4150, r4207:
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|
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()
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parents:
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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
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now regex captures are per-request entities
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1170 |
2577
2dcbcfc1a8d1
split ngx_http_script_compile()
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diff
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|
1171 static ngx_int_t |
2dcbcfc1a8d1
split ngx_http_script_compile()
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|
1172 ngx_http_script_add_capture_code(ngx_http_script_compile_t *sc, ngx_uint_t n) |
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|
1173 { |
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|
1174 ngx_http_script_copy_capture_code_t *code; |
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|
1175 |
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|
1176 code = ngx_http_script_add_code(*sc->lengths, |
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|
1177 sizeof(ngx_http_script_copy_capture_code_t), |
2dcbcfc1a8d1
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|
1178 NULL); |
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|
1179 if (code == NULL) { |
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1180 return NGX_ERROR; |
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1181 } |
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|
1182 |
2dcbcfc1a8d1
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|
1183 code->code = (ngx_http_script_code_pt) |
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|
1184 ngx_http_script_copy_capture_len_code; |
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|
1185 code->n = 2 * n; |
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|
1186 |
2dcbcfc1a8d1
split ngx_http_script_compile()
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|
1187 |
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split ngx_http_script_compile()
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|
1188 code = ngx_http_script_add_code(*sc->values, |
2dcbcfc1a8d1
split ngx_http_script_compile()
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|
1189 sizeof(ngx_http_script_copy_capture_code_t), |
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|
1190 &sc->main); |
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|
1191 if (code == NULL) { |
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|
1192 return NGX_ERROR; |
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|
1193 } |
2dcbcfc1a8d1
split ngx_http_script_compile()
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|
1194 |
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|
1195 code->code = ngx_http_script_copy_capture_code; |
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|
1196 code->n = 2 * n; |
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|
1197 |
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|
1198 if (sc->ncaptures < n) { |
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split ngx_http_script_compile()
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|
1199 sc->ncaptures = n; |
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|
1200 } |
2dcbcfc1a8d1
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|
1201 |
2dcbcfc1a8d1
split ngx_http_script_compile()
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|
1202 return NGX_OK; |
2dcbcfc1a8d1
split ngx_http_script_compile()
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changeset
|
1203 } |
2dcbcfc1a8d1
split ngx_http_script_compile()
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diff
changeset
|
1204 |
2dcbcfc1a8d1
split ngx_http_script_compile()
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changeset
|
1205 |
2547
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now regex captures are per-request entities
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parents:
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changeset
|
1206 size_t |
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|
1207 ngx_http_script_copy_capture_len_code(ngx_http_script_engine_t *e) |
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|
1208 { |
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|
1209 int *cap; |
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|
1210 u_char *p; |
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|
1211 ngx_uint_t n; |
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|
1212 ngx_http_request_t *r; |
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|
1213 ngx_http_script_copy_capture_code_t *code; |
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|
1214 |
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|
1215 r = e->request; |
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|
1216 |
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|
1217 code = (ngx_http_script_copy_capture_code_t *) e->ip; |
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|
1218 |
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|
1219 e->ip += sizeof(ngx_http_script_copy_capture_code_t); |
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|
1220 |
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|
1221 n = code->n; |
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|
1222 |
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|
1223 if (n < r->ncaptures) { |
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|
1224 |
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|
1225 cap = r->captures; |
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|
1226 |
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|
1227 if ((e->is_args || e->quote) |
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|
1228 && (e->request->quoted_uri || e->request->plus_in_uri)) |
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|
1229 { |
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|
1230 p = r->captures_data; |
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|
1231 |
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|
1232 return cap[n + 1] - cap[n] |
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|
1233 + 2 * ngx_escape_uri(NULL, &p[cap[n]], cap[n + 1] - cap[n], |
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|
1234 NGX_ESCAPE_ARGS); |
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|
1235 } else { |
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|
1236 return cap[n + 1] - cap[n]; |
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|
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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|
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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1249 ngx_uint_t n; |
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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; |
631 | 1507 |
1454 | 1508 if (ngx_open_cached_file(clcf->open_file_cache, &path, &of, r->pool) |
1799 | 1509 != NGX_OK) |
1454 | 1510 { |
3160
a7637c2c1157
low ENAMETOOLONG logging level
Igor Sysoev <igor@sysoev.ru>
parents:
2979
diff
changeset
|
1511 if (of.err != NGX_ENOENT |
a7637c2c1157
low ENAMETOOLONG logging level
Igor Sysoev <igor@sysoev.ru>
parents:
2979
diff
changeset
|
1512 && of.err != NGX_ENOTDIR |
a7637c2c1157
low ENAMETOOLONG logging level
Igor Sysoev <igor@sysoev.ru>
parents:
2979
diff
changeset
|
1513 && of.err != NGX_ENAMETOOLONG) |
a7637c2c1157
low ENAMETOOLONG logging level
Igor Sysoev <igor@sysoev.ru>
parents:
2979
diff
changeset
|
1514 { |
1454 | 1515 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
|
1516 "%s \"%s\" failed", of.failed, value->data); |
631 | 1517 } |
1518 | |
1519 switch (code->op) { | |
671 | 1520 |
631 | 1521 case ngx_http_script_file_plain: |
669 | 1522 case ngx_http_script_file_dir: |
1523 case ngx_http_script_file_exists: | |
1524 case ngx_http_script_file_exec: | |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1525 goto false_value; |
671 | 1526 |
631 | 1527 case ngx_http_script_file_not_plain: |
669 | 1528 case ngx_http_script_file_not_dir: |
671 | 1529 case ngx_http_script_file_not_exists: |
669 | 1530 case ngx_http_script_file_not_exec: |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1531 goto true_value; |
631 | 1532 } |
1533 | |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1534 goto false_value; |
631 | 1535 } |
1536 | |
1537 switch (code->op) { | |
1538 case ngx_http_script_file_plain: | |
1454 | 1539 if (of.is_file) { |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1540 goto true_value; |
631 | 1541 } |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1542 goto false_value; |
631 | 1543 |
1544 case ngx_http_script_file_not_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 false_value; |
631 | 1547 } |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1548 goto true_value; |
669 | 1549 |
1550 case ngx_http_script_file_dir: | |
1454 | 1551 if (of.is_dir) { |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1552 goto true_value; |
669 | 1553 } |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1554 goto false_value; |
669 | 1555 |
1556 case ngx_http_script_file_not_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 false_value; |
669 | 1559 } |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1560 goto true_value; |
669 | 1561 |
1562 case ngx_http_script_file_exists: | |
1454 | 1563 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
|
1564 goto true_value; |
669 | 1565 } |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1566 goto false_value; |
669 | 1567 |
1568 case ngx_http_script_file_not_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 false_value; |
669 | 1571 } |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1572 goto true_value; |
669 | 1573 |
1574 case ngx_http_script_file_exec: | |
1454 | 1575 if (of.is_exec) { |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1576 goto true_value; |
669 | 1577 } |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1578 goto false_value; |
669 | 1579 |
1580 case ngx_http_script_file_not_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 false_value; |
669 | 1583 } |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1584 goto true_value; |
631 | 1585 } |
1586 | |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1587 false_value: |
631 | 1588 |
1454 | 1589 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
631 | 1590 "http script file op false"); |
1591 | |
1592 *value = ngx_http_variable_null_value; | |
1593 return; | |
1594 | |
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1595 true_value: |
631 | 1596 |
1597 *value = ngx_http_variable_true_value; | |
1598 return; | |
1599 } | |
1600 | |
1601 | |
1602 void | |
515 | 1603 ngx_http_script_complex_value_code(ngx_http_script_engine_t *e) |
1604 { | |
1605 size_t len; | |
1606 ngx_http_script_engine_t le; | |
1607 ngx_http_script_len_code_pt lcode; | |
1608 ngx_http_script_complex_value_code_t *code; | |
1609 | |
1610 code = (ngx_http_script_complex_value_code_t *) e->ip; | |
1611 | |
1612 e->ip += sizeof(ngx_http_script_complex_value_code_t); | |
1613 | |
1614 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
1615 "http script complex value"); | |
1616 | |
1617 ngx_memzero(&le, sizeof(ngx_http_script_engine_t)); | |
1618 | |
1619 le.ip = code->lengths->elts; | |
655 | 1620 le.line = e->line; |
515 | 1621 le.request = e->request; |
655 | 1622 le.quote = e->quote; |
515 | 1623 |
1624 for (len = 0; *(uintptr_t *) le.ip; len += lcode(&le)) { | |
1625 lcode = *(ngx_http_script_len_code_pt *) le.ip; | |
1626 } | |
1627 | |
1628 e->buf.len = len; | |
2049 | 1629 e->buf.data = ngx_pnalloc(e->request->pool, len); |
515 | 1630 if (e->buf.data == NULL) { |
1631 e->ip = ngx_http_script_exit; | |
1632 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
1633 return; | |
1634 } | |
1635 | |
1636 e->pos = e->buf.data; | |
1637 | |
577 | 1638 e->sp->len = e->buf.len; |
573 | 1639 e->sp->data = e->buf.data; |
515 | 1640 e->sp++; |
1641 } | |
1642 | |
1643 | |
1644 void | |
509 | 1645 ngx_http_script_value_code(ngx_http_script_engine_t *e) |
1646 { | |
1647 ngx_http_script_value_code_t *code; | |
1648 | |
1649 code = (ngx_http_script_value_code_t *) e->ip; | |
1650 | |
1651 e->ip += sizeof(ngx_http_script_value_code_t); | |
1652 | |
573 | 1653 e->sp->len = code->text_len; |
1654 e->sp->data = (u_char *) code->text_data; | |
577 | 1655 |
1656 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
1561 | 1657 "http script value: \"%v\"", e->sp); |
577 | 1658 |
509 | 1659 e->sp++; |
1660 } | |
1661 | |
1662 | |
1663 void | |
1664 ngx_http_script_set_var_code(ngx_http_script_engine_t *e) | |
1665 { | |
1666 ngx_http_request_t *r; | |
1667 ngx_http_script_var_code_t *code; | |
1668 | |
1669 code = (ngx_http_script_var_code_t *) e->ip; | |
1670 | |
1671 e->ip += sizeof(ngx_http_script_var_code_t); | |
1672 | |
1673 r = e->request; | |
1674 | |
1675 e->sp--; | |
1676 | |
573 | 1677 r->variables[code->index].len = e->sp->len; |
1678 r->variables[code->index].valid = 1; | |
1565 | 1679 r->variables[code->index].no_cacheable = 0; |
573 | 1680 r->variables[code->index].not_found = 0; |
1681 r->variables[code->index].data = e->sp->data; | |
2393 | 1682 |
1683 #if (NGX_DEBUG) | |
1684 { | |
1685 ngx_http_variable_t *v; | |
1686 ngx_http_core_main_conf_t *cmcf; | |
1687 | |
1688 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); | |
1689 | |
1690 v = cmcf->variables.elts; | |
1691 | |
1692 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
1693 "http script set $%V", &v[code->index].name); | |
1694 } | |
1695 #endif | |
509 | 1696 } |
1697 | |
1698 | |
1699 void | |
637 | 1700 ngx_http_script_var_set_handler_code(ngx_http_script_engine_t *e) |
1701 { | |
1702 ngx_http_script_var_handler_code_t *code; | |
1703 | |
1704 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
1705 "http script set var handler"); | |
1706 | |
1707 code = (ngx_http_script_var_handler_code_t *) e->ip; | |
1708 | |
1709 e->ip += sizeof(ngx_http_script_var_handler_code_t); | |
1710 | |
1711 e->sp--; | |
1712 | |
1713 code->handler(e->request, e->sp, code->data); | |
1714 } | |
1715 | |
1716 | |
1717 void | |
509 | 1718 ngx_http_script_var_code(ngx_http_script_engine_t *e) |
1719 { | |
1720 ngx_http_variable_value_t *value; | |
1721 ngx_http_script_var_code_t *code; | |
1722 | |
1723 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
1724 "http script var"); | |
1725 | |
1726 code = (ngx_http_script_var_code_t *) e->ip; | |
1727 | |
1728 e->ip += sizeof(ngx_http_script_var_code_t); | |
1729 | |
573 | 1730 value = ngx_http_get_flushed_variable(e->request, code->index); |
509 | 1731 |
573 | 1732 if (value && !value->not_found) { |
1733 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
|
1734 "http script var: \"%v\"", value); |
573 | 1735 |
553 | 1736 *e->sp = *value; |
509 | 1737 e->sp++; |
1738 | |
1739 return; | |
1740 } | |
1741 | |
577 | 1742 *e->sp = ngx_http_variable_null_value; |
509 | 1743 e->sp++; |
1744 } | |
1745 | |
1746 | |
1747 void | |
1748 ngx_http_script_nop_code(ngx_http_script_engine_t *e) | |
1749 { | |
1750 e->ip += sizeof(uintptr_t); | |
1751 } |