Mercurial > hg > nginx
annotate src/http/ngx_http_script.h @ 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> |
|---|---|
| date | Sun, 05 Feb 2012 13:53:50 +0000 |
| parents | 0a84dc5f5613 |
| children | d620f497c50f |
| rev | line source |
|---|---|
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2 /* |
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3 * Copyright (C) Igor Sysoev |
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4 */ |
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7 #ifndef _NGX_HTTP_SCRIPT_H_INCLUDED_ |
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8 #define _NGX_HTTP_SCRIPT_H_INCLUDED_ |
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10 |
| 479 | 11 #include <ngx_config.h> |
| 12 #include <ngx_core.h> | |
| 13 #include <ngx_http.h> | |
| 14 | |
| 15 | |
| 507 | 16 typedef struct { |
| 573 | 17 u_char *ip; |
| 18 u_char *pos; | |
| 19 ngx_http_variable_value_t *sp; | |
| 509 | 20 |
| 573 | 21 ngx_str_t buf; |
| 22 ngx_str_t line; | |
| 509 | 23 |
| 24 /* the start of the rewritten arguments */ | |
| 573 | 25 u_char *args; |
| 507 | 26 |
| 573 | 27 unsigned flushed:1; |
| 28 unsigned skip:1; | |
| 29 unsigned quote:1; | |
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30 unsigned is_args:1; |
| 573 | 31 unsigned log:1; |
| 509 | 32 |
| 573 | 33 ngx_int_t status; |
| 34 ngx_http_request_t *request; | |
| 507 | 35 } ngx_http_script_engine_t; |
| 36 | |
| 37 | |
| 509 | 38 typedef struct { |
| 573 | 39 ngx_conf_t *cf; |
| 40 ngx_str_t *source; | |
| 509 | 41 |
| 573 | 42 ngx_array_t **flushes; |
| 43 ngx_array_t **lengths; | |
| 44 ngx_array_t **values; | |
| 509 | 45 |
| 573 | 46 ngx_uint_t variables; |
| 47 ngx_uint_t ncaptures; | |
| 641 | 48 ngx_uint_t captures_mask; |
| 573 | 49 ngx_uint_t size; |
| 50 | |
| 51 void *main; | |
| 507 | 52 |
| 573 | 53 unsigned compile_args:1; |
| 54 unsigned complete_lengths:1; | |
| 55 unsigned complete_values:1; | |
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56 unsigned zero:1; |
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57 unsigned conf_prefix:1; |
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58 unsigned root_prefix:1; |
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59 |
| 641 | 60 unsigned dup_capture:1; |
| 573 | 61 unsigned args:1; |
| 509 | 62 } ngx_http_script_compile_t; |
| 63 | |
| 64 | |
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65 typedef struct { |
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66 ngx_str_t value; |
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67 ngx_uint_t *flushes; |
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68 void *lengths; |
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69 void *values; |
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70 } ngx_http_complex_value_t; |
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71 |
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72 |
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73 typedef struct { |
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74 ngx_conf_t *cf; |
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75 ngx_str_t *value; |
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76 ngx_http_complex_value_t *complex_value; |
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77 |
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78 unsigned zero:1; |
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79 unsigned conf_prefix:1; |
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80 unsigned root_prefix:1; |
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81 } ngx_http_compile_complex_value_t; |
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82 |
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83 |
| 509 | 84 typedef void (*ngx_http_script_code_pt) (ngx_http_script_engine_t *e); |
| 85 typedef size_t (*ngx_http_script_len_code_pt) (ngx_http_script_engine_t *e); | |
| 507 | 86 |
| 479 | 87 |
| 507 | 88 typedef struct { |
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89 ngx_http_script_code_pt code; |
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90 uintptr_t len; |
| 507 | 91 } ngx_http_script_copy_code_t; |
| 92 | |
| 93 | |
| 94 typedef struct { | |
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95 ngx_http_script_code_pt code; |
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96 uintptr_t index; |
| 507 | 97 } ngx_http_script_var_code_t; |
| 98 | |
| 99 | |
| 509 | 100 typedef struct { |
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101 ngx_http_script_code_pt code; |
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102 ngx_http_set_variable_pt handler; |
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103 uintptr_t data; |
| 637 | 104 } ngx_http_script_var_handler_code_t; |
| 105 | |
| 106 | |
| 107 typedef struct { | |
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108 ngx_http_script_code_pt code; |
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109 uintptr_t n; |
| 509 | 110 } ngx_http_script_copy_capture_code_t; |
| 111 | |
| 112 | |
| 517 | 113 #if (NGX_PCRE) |
| 114 | |
| 509 | 115 typedef struct { |
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116 ngx_http_script_code_pt code; |
| 3325 | 117 ngx_http_regex_t *regex; |
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118 ngx_array_t *lengths; |
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119 uintptr_t size; |
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120 uintptr_t status; |
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121 uintptr_t next; |
| 509 | 122 |
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123 uintptr_t test:1; |
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124 uintptr_t negative_test:1; |
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125 uintptr_t uri:1; |
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126 uintptr_t args:1; |
| 509 | 127 |
| 128 /* add the r->args to the new arguments */ | |
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129 uintptr_t add_args:1; |
| 577 | 130 |
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131 uintptr_t redirect:1; |
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132 uintptr_t break_cycle:1; |
| 509 | 133 |
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134 ngx_str_t name; |
| 509 | 135 } ngx_http_script_regex_code_t; |
| 136 | |
| 137 | |
| 138 typedef struct { | |
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139 ngx_http_script_code_pt code; |
| 509 | 140 |
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141 uintptr_t uri:1; |
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142 uintptr_t args:1; |
| 509 | 143 |
| 144 /* add the r->args to the new arguments */ | |
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145 uintptr_t add_args:1; |
| 509 | 146 |
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147 uintptr_t redirect:1; |
| 509 | 148 } ngx_http_script_regex_end_code_t; |
| 507 | 149 |
| 517 | 150 #endif |
| 151 | |
| 507 | 152 |
| 509 | 153 typedef struct { |
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154 ngx_http_script_code_pt code; |
| 2758 | 155 uintptr_t conf_prefix; |
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156 } ngx_http_script_full_name_code_t; |
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157 |
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158 |
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159 typedef struct { |
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160 ngx_http_script_code_pt code; |
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161 uintptr_t status; |
| 3633 | 162 ngx_http_complex_value_t text; |
| 509 | 163 } ngx_http_script_return_code_t; |
| 164 | |
| 165 | |
| 631 | 166 typedef enum { |
| 167 ngx_http_script_file_plain = 0, | |
| 669 | 168 ngx_http_script_file_not_plain, |
| 169 ngx_http_script_file_dir, | |
| 170 ngx_http_script_file_not_dir, | |
| 171 ngx_http_script_file_exists, | |
| 172 ngx_http_script_file_not_exists, | |
| 173 ngx_http_script_file_exec, | |
| 174 ngx_http_script_file_not_exec | |
| 631 | 175 } ngx_http_script_file_op_e; |
| 176 | |
| 177 | |
| 178 typedef struct { | |
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179 ngx_http_script_code_pt code; |
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180 uintptr_t op; |
| 631 | 181 } ngx_http_script_file_code_t; |
| 182 | |
| 183 | |
| 509 | 184 typedef struct { |
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185 ngx_http_script_code_pt code; |
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186 uintptr_t next; |
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187 void **loc_conf; |
| 509 | 188 } ngx_http_script_if_code_t; |
| 189 | |
| 190 | |
| 191 typedef struct { | |
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192 ngx_http_script_code_pt code; |
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193 ngx_array_t *lengths; |
| 515 | 194 } ngx_http_script_complex_value_code_t; |
| 195 | |
| 196 | |
| 197 typedef struct { | |
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198 ngx_http_script_code_pt code; |
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199 uintptr_t value; |
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200 uintptr_t text_len; |
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201 uintptr_t text_data; |
| 509 | 202 } ngx_http_script_value_code_t; |
| 203 | |
| 507 | 204 |
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205 void ngx_http_script_flush_complex_value(ngx_http_request_t *r, |
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206 ngx_http_complex_value_t *val); |
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207 ngx_int_t ngx_http_complex_value(ngx_http_request_t *r, |
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208 ngx_http_complex_value_t *val, ngx_str_t *value); |
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209 ngx_int_t ngx_http_compile_complex_value(ngx_http_compile_complex_value_t *ccv); |
| 3761 | 210 char *ngx_http_set_complex_value_slot(ngx_conf_t *cf, ngx_command_t *cmd, |
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211 void *conf); |
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212 |
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213 |
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214 ngx_int_t ngx_http_test_predicates(ngx_http_request_t *r, |
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215 ngx_array_t *predicates); |
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216 char *ngx_http_set_predicate_slot(ngx_conf_t *cf, ngx_command_t *cmd, |
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217 void *conf); |
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218 |
| 509 | 219 ngx_uint_t ngx_http_script_variables_count(ngx_str_t *value); |
| 220 ngx_int_t ngx_http_script_compile(ngx_http_script_compile_t *sc); | |
| 623 | 221 u_char *ngx_http_script_run(ngx_http_request_t *r, ngx_str_t *value, |
| 222 void *code_lengths, size_t reserved, void *code_values); | |
| 1565 | 223 void ngx_http_script_flush_no_cacheable_variables(ngx_http_request_t *r, |
| 573 | 224 ngx_array_t *indices); |
| 509 | 225 |
| 226 void *ngx_http_script_start_code(ngx_pool_t *pool, ngx_array_t **codes, | |
| 227 size_t size); | |
| 228 void *ngx_http_script_add_code(ngx_array_t *codes, size_t size, void *code); | |
| 507 | 229 |
| 509 | 230 size_t ngx_http_script_copy_len_code(ngx_http_script_engine_t *e); |
| 231 void ngx_http_script_copy_code(ngx_http_script_engine_t *e); | |
| 232 size_t ngx_http_script_copy_var_len_code(ngx_http_script_engine_t *e); | |
| 233 void ngx_http_script_copy_var_code(ngx_http_script_engine_t *e); | |
| 234 size_t ngx_http_script_copy_capture_len_code(ngx_http_script_engine_t *e); | |
| 235 void ngx_http_script_copy_capture_code(ngx_http_script_engine_t *e); | |
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236 size_t ngx_http_script_mark_args_code(ngx_http_script_engine_t *e); |
| 517 | 237 void ngx_http_script_start_args_code(ngx_http_script_engine_t *e); |
| 238 #if (NGX_PCRE) | |
| 509 | 239 void ngx_http_script_regex_start_code(ngx_http_script_engine_t *e); |
| 240 void ngx_http_script_regex_end_code(ngx_http_script_engine_t *e); | |
| 517 | 241 #endif |
| 509 | 242 void ngx_http_script_return_code(ngx_http_script_engine_t *e); |
| 527 | 243 void ngx_http_script_break_code(ngx_http_script_engine_t *e); |
| 509 | 244 void ngx_http_script_if_code(ngx_http_script_engine_t *e); |
| 577 | 245 void ngx_http_script_equal_code(ngx_http_script_engine_t *e); |
| 246 void ngx_http_script_not_equal_code(ngx_http_script_engine_t *e); | |
| 631 | 247 void ngx_http_script_file_code(ngx_http_script_engine_t *e); |
| 515 | 248 void ngx_http_script_complex_value_code(ngx_http_script_engine_t *e); |
| 509 | 249 void ngx_http_script_value_code(ngx_http_script_engine_t *e); |
| 250 void ngx_http_script_set_var_code(ngx_http_script_engine_t *e); | |
| 637 | 251 void ngx_http_script_var_set_handler_code(ngx_http_script_engine_t *e); |
| 509 | 252 void ngx_http_script_var_code(ngx_http_script_engine_t *e); |
| 253 void ngx_http_script_nop_code(ngx_http_script_engine_t *e); | |
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254 |
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255 |
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256 #endif /* _NGX_HTTP_SCRIPT_H_INCLUDED_ */ |