Mercurial > hg > nginx
annotate src/http/ngx_http_script.c @ 2577:2dcbcfc1a8d1
split ngx_http_script_compile()
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Wed, 18 Mar 2009 14:42:06 +0000 |
| parents | 912ce4113f21 |
| children | 8afc4df77ee8 |
| rev | line source |
|---|---|
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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); |
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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 |
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24 |
| 509 | 25 #define ngx_http_script_exit (u_char *) &ngx_http_script_exit_code |
| 26 | |
| 27 static uintptr_t ngx_http_script_exit_code = (uintptr_t) NULL; | |
| 28 | |
| 29 | |
| 30 ngx_uint_t | |
| 31 ngx_http_script_variables_count(ngx_str_t *value) | |
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32 { |
| 509 | 33 ngx_uint_t i, n; |
| 507 | 34 |
| 509 | 35 for (n = 0, i = 0; i < value->len; i++) { |
| 36 if (value->data[i] == '$') { | |
| 37 n++; | |
| 38 } | |
| 507 | 39 } |
| 40 | |
| 509 | 41 return n; |
| 42 } | |
| 43 | |
| 44 | |
| 45 ngx_int_t | |
| 46 ngx_http_script_compile(ngx_http_script_compile_t *sc) | |
| 47 { | |
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48 u_char ch; |
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49 ngx_str_t name; |
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50 ngx_uint_t i, bracket; |
| 573 | 51 |
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52 if (ngx_http_script_init_arrays(sc) != NGX_OK) { |
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53 return NGX_ERROR; |
| 509 | 54 } |
| 55 | |
| 56 for (i = 0; i < sc->source->len; /* void */ ) { | |
| 57 | |
| 58 name.len = 0; | |
| 59 | |
| 60 if (sc->source->data[i] == '$') { | |
| 61 | |
| 62 if (++i == sc->source->len) { | |
| 63 goto invalid_variable; | |
| 64 } | |
| 65 | |
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66 #if (NGX_PCRE) |
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67 { |
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68 ngx_uint_t n; |
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69 |
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70 /* NGX_HTTP_MAX_CAPTURES is 9 */ |
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71 |
| 509 | 72 if (sc->source->data[i] >= '1' && sc->source->data[i] <= '9') { |
| 73 | |
| 641 | 74 n = sc->source->data[i] - '0'; |
| 75 | |
| 76 if (sc->captures_mask & (1 << n)) { | |
| 77 sc->dup_capture = 1; | |
| 78 } | |
| 79 | |
| 80 sc->captures_mask |= 1 << n; | |
| 81 | |
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82 if (ngx_http_script_add_capture_code(sc, n) != NGX_OK) { |
| 509 | 83 return NGX_ERROR; |
| 84 } | |
| 85 | |
| 86 i++; | |
| 87 | |
| 88 continue; | |
| 89 } | |
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90 } |
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91 #endif |
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92 |
| 509 | 93 if (sc->source->data[i] == '{') { |
| 94 bracket = 1; | |
| 95 | |
| 96 if (++i == sc->source->len) { | |
| 97 goto invalid_variable; | |
| 98 } | |
| 99 | |
| 100 name.data = &sc->source->data[i]; | |
| 101 | |
| 102 } else { | |
| 103 bracket = 0; | |
| 104 name.data = &sc->source->data[i]; | |
| 105 } | |
| 106 | |
| 107 for ( /* void */ ; i < sc->source->len; i++, name.len++) { | |
| 108 ch = sc->source->data[i]; | |
| 507 | 109 |
| 509 | 110 if (ch == '}' && bracket) { |
| 111 i++; | |
| 112 bracket = 0; | |
| 113 break; | |
| 114 } | |
| 115 | |
| 116 if ((ch >= 'A' && ch <= 'Z') | |
| 117 || (ch >= 'a' && ch <= 'z') | |
| 118 || (ch >= '0' && ch <= '9') | |
| 119 || ch == '_') | |
| 120 { | |
| 121 continue; | |
| 122 } | |
| 123 | |
| 124 break; | |
| 125 } | |
| 126 | |
| 127 if (bracket) { | |
| 128 ngx_conf_log_error(NGX_LOG_EMERG, sc->cf, 0, | |
| 129 "the closing bracket in \"%V\" " | |
| 130 "variable is missing", &name); | |
| 507 | 131 return NGX_ERROR; |
| 132 } | |
| 133 | |
| 509 | 134 if (name.len == 0) { |
| 135 goto invalid_variable; | |
| 136 } | |
| 507 | 137 |
| 509 | 138 sc->variables++; |
| 507 | 139 |
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140 if (ngx_http_script_add_var_code(sc, &name) != NGX_OK) { |
| 507 | 141 return NGX_ERROR; |
| 142 } | |
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143 |
| 509 | 144 continue; |
| 145 } | |
| 507 | 146 |
| 509 | 147 if (sc->source->data[i] == '?' && sc->compile_args) { |
| 148 sc->args = 1; | |
| 149 sc->compile_args = 0; | |
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150 |
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151 if (ngx_http_script_add_args_code(sc) != NGX_OK) { |
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152 return NGX_ERROR; |
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153 } |
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154 |
| 509 | 155 i++; |
| 156 | |
| 507 | 157 continue; |
| 158 } | |
| 159 | |
| 509 | 160 name.data = &sc->source->data[i]; |
| 161 | |
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162 while (i < sc->source->len) { |
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163 |
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164 if (sc->source->data[i] == '$') { |
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165 break; |
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166 } |
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167 |
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168 if (sc->source->data[i] == '?') { |
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169 |
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170 sc->args = 1; |
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171 |
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172 if (sc->compile_args) { |
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173 break; |
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174 } |
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175 } |
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176 |
| 509 | 177 i++; |
| 178 name.len++; | |
| 179 } | |
| 180 | |
| 181 sc->size += name.len; | |
| 182 | |
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183 if (ngx_http_script_add_copy_code(sc, &name) != NGX_OK) { |
| 509 | 184 return NGX_ERROR; |
| 185 } | |
| 507 | 186 } |
| 187 | |
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188 return ngx_http_script_done(sc); |
| 509 | 189 |
| 190 invalid_variable: | |
| 191 | |
| 192 ngx_conf_log_error(NGX_LOG_EMERG, sc->cf, 0, "invalid variable name"); | |
| 193 | |
| 194 return NGX_ERROR; | |
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195 } |
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196 |
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197 |
| 623 | 198 u_char * |
| 199 ngx_http_script_run(ngx_http_request_t *r, ngx_str_t *value, | |
| 200 void *code_lengths, size_t len, void *code_values) | |
| 201 { | |
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202 ngx_uint_t i; |
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203 ngx_http_script_code_pt code; |
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204 ngx_http_script_len_code_pt lcode; |
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205 ngx_http_script_engine_t e; |
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206 ngx_http_core_main_conf_t *cmcf; |
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207 |
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208 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); |
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209 |
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210 for (i = 0; i < cmcf->variables.nelts; i++) { |
| 1565 | 211 if (r->variables[i].no_cacheable) { |
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212 r->variables[i].valid = 0; |
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213 r->variables[i].not_found = 0; |
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214 } |
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215 } |
| 623 | 216 |
| 217 ngx_memzero(&e, sizeof(ngx_http_script_engine_t)); | |
| 218 | |
| 219 e.ip = code_lengths; | |
| 220 e.request = r; | |
| 221 e.flushed = 1; | |
| 222 | |
| 223 while (*(uintptr_t *) e.ip) { | |
| 224 lcode = *(ngx_http_script_len_code_pt *) e.ip; | |
| 225 len += lcode(&e); | |
| 226 } | |
| 227 | |
| 228 | |
| 229 value->len = len; | |
| 2049 | 230 value->data = ngx_pnalloc(r->pool, len); |
| 623 | 231 if (value->data == NULL) { |
| 232 return NULL; | |
| 233 } | |
| 234 | |
| 235 e.ip = code_values; | |
| 236 e.pos = value->data; | |
| 237 | |
| 238 while (*(uintptr_t *) e.ip) { | |
| 239 code = *(ngx_http_script_code_pt *) e.ip; | |
| 240 code((ngx_http_script_engine_t *) &e); | |
| 241 } | |
| 242 | |
| 243 return e.pos; | |
| 244 } | |
| 245 | |
| 246 | |
| 573 | 247 void |
| 1565 | 248 ngx_http_script_flush_no_cacheable_variables(ngx_http_request_t *r, |
| 573 | 249 ngx_array_t *indices) |
| 250 { | |
| 251 ngx_uint_t n, *index; | |
| 252 | |
| 253 if (indices) { | |
| 254 index = indices->elts; | |
| 255 for (n = 0; n < indices->nelts; n++) { | |
| 1565 | 256 if (r->variables[index[n]].no_cacheable) { |
| 573 | 257 r->variables[index[n]].valid = 0; |
| 258 r->variables[index[n]].not_found = 0; | |
| 259 } | |
| 260 } | |
| 261 } | |
| 262 } | |
| 263 | |
| 264 | |
|
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265 static ngx_int_t |
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266 ngx_http_script_init_arrays(ngx_http_script_compile_t *sc) |
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267 { |
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268 ngx_uint_t n; |
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269 |
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270 if (sc->flushes && *sc->flushes == NULL) { |
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271 n = sc->variables ? sc->variables : 1; |
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272 *sc->flushes = ngx_array_create(sc->cf->pool, n, sizeof(ngx_uint_t)); |
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273 if (*sc->flushes == NULL) { |
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274 return NGX_ERROR; |
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275 } |
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276 } |
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277 |
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278 if (*sc->lengths == NULL) { |
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279 n = sc->variables * (2 * sizeof(ngx_http_script_copy_code_t) |
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280 + sizeof(ngx_http_script_var_code_t)) |
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281 + sizeof(uintptr_t); |
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282 |
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283 *sc->lengths = ngx_array_create(sc->cf->pool, n, 1); |
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284 if (*sc->lengths == NULL) { |
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285 return NGX_ERROR; |
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286 } |
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287 } |
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288 |
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289 if (*sc->values == NULL) { |
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290 n = (sc->variables * (2 * sizeof(ngx_http_script_copy_code_t) |
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291 + sizeof(ngx_http_script_var_code_t)) |
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292 + sizeof(uintptr_t) |
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293 + sc->source->len |
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294 + sizeof(uintptr_t) - 1) |
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295 & ~(sizeof(uintptr_t) - 1); |
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296 |
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297 *sc->values = ngx_array_create(sc->cf->pool, n, 1); |
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298 if (*sc->values == NULL) { |
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299 return NGX_ERROR; |
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300 } |
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301 } |
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302 |
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303 sc->variables = 0; |
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304 |
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305 return NGX_OK; |
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306 } |
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307 |
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308 |
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309 static ngx_int_t |
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310 ngx_http_script_done(ngx_http_script_compile_t *sc) |
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311 { |
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312 uintptr_t *code; |
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313 |
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314 if (sc->complete_lengths) { |
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315 code = ngx_http_script_add_code(*sc->lengths, sizeof(uintptr_t), NULL); |
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316 if (code == NULL) { |
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317 return NGX_ERROR; |
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318 } |
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319 |
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320 *code = (uintptr_t) NULL; |
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321 } |
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322 |
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323 if (sc->complete_values) { |
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324 code = ngx_http_script_add_code(*sc->values, sizeof(uintptr_t), |
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325 &sc->main); |
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326 if (code == NULL) { |
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327 return NGX_ERROR; |
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328 } |
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329 |
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330 *code = (uintptr_t) NULL; |
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331 } |
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332 |
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333 return NGX_OK; |
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334 } |
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335 |
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336 |
| 509 | 337 void * |
| 507 | 338 ngx_http_script_start_code(ngx_pool_t *pool, ngx_array_t **codes, size_t size) |
| 479 | 339 { |
| 507 | 340 if (*codes == NULL) { |
| 341 *codes = ngx_array_create(pool, 256, 1); | |
| 342 if (*codes == NULL) { | |
| 343 return NULL; | |
| 344 } | |
| 345 } | |
|
99
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346 |
| 507 | 347 return ngx_array_push_n(*codes, size); |
| 348 } | |
| 349 | |
| 509 | 350 |
| 351 void * | |
| 352 ngx_http_script_add_code(ngx_array_t *codes, size_t size, void *code) | |
| 353 { | |
| 354 u_char *elts, **p; | |
| 355 void *new; | |
| 356 | |
| 357 elts = codes->elts; | |
| 358 | |
| 359 new = ngx_array_push_n(codes, size); | |
| 360 if (new == NULL) { | |
| 361 return NGX_CONF_ERROR; | |
| 362 } | |
| 363 | |
| 364 if (code) { | |
| 365 if (elts != codes->elts) { | |
| 366 p = code; | |
| 367 *p += (u_char *) codes->elts - elts; | |
| 368 } | |
| 369 } | |
| 370 | |
| 371 return new; | |
| 372 } | |
| 507 | 373 |
| 479 | 374 |
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375 static ngx_int_t |
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376 ngx_http_script_add_copy_code(ngx_http_script_compile_t *sc, ngx_str_t *value) |
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377 { |
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378 size_t size; |
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379 ngx_http_script_copy_code_t *code; |
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380 |
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381 code = ngx_http_script_add_code(*sc->lengths, |
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382 sizeof(ngx_http_script_copy_code_t), NULL); |
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383 if (code == NULL) { |
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384 return NGX_ERROR; |
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385 } |
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386 |
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387 code->code = (ngx_http_script_code_pt) ngx_http_script_copy_len_code; |
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388 code->len = value->len; |
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389 |
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390 size = (sizeof(ngx_http_script_copy_code_t) + value->len |
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391 + sizeof(uintptr_t) - 1) |
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392 & ~(sizeof(uintptr_t) - 1); |
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393 |
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394 code = ngx_http_script_add_code(*sc->values, size, &sc->main); |
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395 if (code == NULL) { |
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396 return NGX_ERROR; |
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397 } |
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398 |
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399 code->code = ngx_http_script_copy_code; |
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400 code->len = value->len; |
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|
401 |
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402 ngx_memcpy((u_char *) code + sizeof(ngx_http_script_copy_code_t), |
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403 value->data, value->len); |
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|
404 |
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405 return NGX_OK; |
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406 } |
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407 |
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408 |
| 507 | 409 size_t |
| 509 | 410 ngx_http_script_copy_len_code(ngx_http_script_engine_t *e) |
| 507 | 411 { |
| 412 ngx_http_script_copy_code_t *code; | |
| 479 | 413 |
| 509 | 414 code = (ngx_http_script_copy_code_t *) e->ip; |
| 507 | 415 |
| 509 | 416 e->ip += sizeof(ngx_http_script_copy_code_t); |
| 507 | 417 |
| 418 return code->len; | |
|
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419 } |
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420 |
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421 |
| 507 | 422 void |
| 509 | 423 ngx_http_script_copy_code(ngx_http_script_engine_t *e) |
|
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424 { |
| 2393 | 425 u_char *p; |
| 507 | 426 ngx_http_script_copy_code_t *code; |
| 427 | |
| 509 | 428 code = (ngx_http_script_copy_code_t *) e->ip; |
| 429 | |
| 2393 | 430 p = e->pos; |
| 431 | |
| 509 | 432 if (!e->skip) { |
| 2393 | 433 e->pos = ngx_copy(p, e->ip + sizeof(ngx_http_script_copy_code_t), |
| 573 | 434 code->len); |
| 509 | 435 } |
| 507 | 436 |
| 509 | 437 e->ip += sizeof(ngx_http_script_copy_code_t) |
| 438 + ((code->len + sizeof(uintptr_t) - 1) & ~(sizeof(uintptr_t) - 1)); | |
| 507 | 439 |
| 2393 | 440 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, |
| 441 "http script copy: \"%*s\"", e->pos - p, p); | |
|
99
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442 } |
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443 |
|
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444 |
|
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445 static ngx_int_t |
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446 ngx_http_script_add_var_code(ngx_http_script_compile_t *sc, ngx_str_t *name) |
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447 { |
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448 ngx_int_t index, *p; |
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449 ngx_http_script_var_code_t *code; |
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450 |
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451 index = ngx_http_get_variable_index(sc->cf, name); |
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452 |
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453 if (index == NGX_ERROR) { |
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454 return NGX_ERROR; |
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455 } |
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456 |
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457 if (sc->flushes) { |
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458 p = ngx_array_push(*sc->flushes); |
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459 if (p == NULL) { |
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460 return NGX_ERROR; |
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461 } |
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462 |
|
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463 *p = index; |
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464 } |
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465 |
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466 code = ngx_http_script_add_code(*sc->lengths, |
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467 sizeof(ngx_http_script_var_code_t), NULL); |
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468 if (code == NULL) { |
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469 return NGX_ERROR; |
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470 } |
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471 |
|
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472 code->code = (ngx_http_script_code_pt) ngx_http_script_copy_var_len_code; |
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473 code->index = (uintptr_t) index; |
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474 |
|
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475 code = ngx_http_script_add_code(*sc->values, |
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476 sizeof(ngx_http_script_var_code_t), |
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477 &sc->main); |
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478 if (code == NULL) { |
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479 return NGX_ERROR; |
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|
480 } |
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|
481 |
|
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482 code->code = ngx_http_script_copy_var_code; |
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483 code->index = (uintptr_t) index; |
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|
484 |
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485 return NGX_OK; |
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486 } |
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|
487 |
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488 |
| 507 | 489 size_t |
| 509 | 490 ngx_http_script_copy_var_len_code(ngx_http_script_engine_t *e) |
|
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491 { |
| 507 | 492 ngx_http_variable_value_t *value; |
| 493 ngx_http_script_var_code_t *code; | |
| 494 | |
| 509 | 495 code = (ngx_http_script_var_code_t *) e->ip; |
| 507 | 496 |
| 509 | 497 e->ip += sizeof(ngx_http_script_var_code_t); |
| 507 | 498 |
| 573 | 499 if (e->flushed) { |
| 500 value = ngx_http_get_indexed_variable(e->request, code->index); | |
| 507 | 501 |
| 573 | 502 } else { |
| 503 value = ngx_http_get_flushed_variable(e->request, code->index); | |
| 504 } | |
| 505 | |
| 506 if (value && !value->not_found) { | |
| 507 return value->len; | |
| 507 | 508 } |
| 509 | |
| 553 | 510 return 0; |
|
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511 } |
| 479 | 512 |
| 513 | |
| 507 | 514 void |
| 509 | 515 ngx_http_script_copy_var_code(ngx_http_script_engine_t *e) |
| 479 | 516 { |
| 2393 | 517 u_char *p; |
| 507 | 518 ngx_http_variable_value_t *value; |
| 519 ngx_http_script_var_code_t *code; | |
| 520 | |
| 509 | 521 code = (ngx_http_script_var_code_t *) e->ip; |
| 522 | |
| 523 e->ip += sizeof(ngx_http_script_var_code_t); | |
| 524 | |
| 525 if (!e->skip) { | |
| 573 | 526 |
| 527 if (e->flushed) { | |
| 528 value = ngx_http_get_indexed_variable(e->request, code->index); | |
| 509 | 529 |
| 573 | 530 } else { |
| 531 value = ngx_http_get_flushed_variable(e->request, code->index); | |
| 532 } | |
| 533 | |
| 534 if (value && !value->not_found) { | |
| 2393 | 535 p = e->pos; |
| 536 e->pos = ngx_copy(p, value->data, value->len); | |
| 509 | 537 |
| 2393 | 538 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, |
|
845
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|
539 e->request->connection->log, 0, |
| 2393 | 540 "http script var: \"%*s\"", e->pos - p, p); |
| 509 | 541 } |
| 542 } | |
| 543 } | |
| 544 | |
| 545 | |
|
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546 static ngx_int_t |
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547 ngx_http_script_add_args_code(ngx_http_script_compile_t *sc) |
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548 { |
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549 uintptr_t *code; |
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|
550 |
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551 code = ngx_http_script_add_code(*sc->lengths, sizeof(uintptr_t), NULL); |
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552 if (code == NULL) { |
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553 return NGX_ERROR; |
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554 } |
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555 |
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556 *code = (uintptr_t) ngx_http_script_mark_args_code; |
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557 |
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558 code = ngx_http_script_add_code(*sc->values, sizeof(uintptr_t), &sc->main); |
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559 if (code == NULL) { |
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560 return NGX_ERROR; |
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561 } |
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562 |
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563 *code = (uintptr_t) ngx_http_script_start_args_code; |
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|
564 |
|
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565 return NGX_OK; |
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|
566 } |
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567 |
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568 |
| 509 | 569 size_t |
|
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570 ngx_http_script_mark_args_code(ngx_http_script_engine_t *e) |
|
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571 { |
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572 e->is_args = 1; |
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573 e->ip += sizeof(uintptr_t); |
|
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|
574 |
|
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|
575 return 1; |
|
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|
576 } |
|
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|
577 |
|
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|
578 |
| 509 | 579 void |
| 580 ngx_http_script_start_args_code(ngx_http_script_engine_t *e) | |
| 581 { | |
| 582 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
| 583 "http script args"); | |
| 577 | 584 |
|
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585 e->is_args = 1; |
| 509 | 586 e->args = e->pos; |
| 587 e->ip += sizeof(uintptr_t); | |
| 588 } | |
| 589 | |
| 590 | |
| 517 | 591 #if (NGX_PCRE) |
| 592 | |
| 509 | 593 void |
| 594 ngx_http_script_regex_start_code(ngx_http_script_engine_t *e) | |
| 595 { | |
| 596 size_t len; | |
| 597 ngx_int_t rc; | |
| 598 ngx_uint_t n; | |
| 599 ngx_http_request_t *r; | |
| 600 ngx_http_script_engine_t le; | |
| 601 ngx_http_script_len_code_pt lcode; | |
| 602 ngx_http_script_regex_code_t *code; | |
| 603 | |
| 604 code = (ngx_http_script_regex_code_t *) e->ip; | |
| 605 | |
| 606 r = e->request; | |
| 607 | |
| 608 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 609 "http script regex: \"%V\"", &code->name); | |
| 610 | |
| 611 if (code->uri) { | |
| 515 | 612 e->line = r->uri; |
| 509 | 613 } else { |
| 614 e->sp--; | |
| 573 | 615 e->line.len = e->sp->len; |
| 616 e->line.data = e->sp->data; | |
| 509 | 617 } |
| 507 | 618 |
|
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619 if (code->ncaptures && r->captures == NULL) { |
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620 |
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621 r->captures = ngx_palloc(r->pool, |
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622 (NGX_HTTP_MAX_CAPTURES + 1) * 3 * sizeof(int)); |
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623 if (r->captures == NULL) { |
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624 e->ip = ngx_http_script_exit; |
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625 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; |
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626 return; |
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627 } |
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628 } |
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629 |
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630 rc = ngx_regex_exec(code->regex, &e->line, r->captures, code->ncaptures); |
| 509 | 631 |
| 632 if (rc == NGX_REGEX_NO_MATCHED) { | |
| 2397 | 633 if (e->log || (r->connection->log->log_level & NGX_LOG_DEBUG_HTTP)) { |
| 509 | 634 ngx_log_error(NGX_LOG_NOTICE, r->connection->log, 0, |
| 515 | 635 "\"%V\" does not match \"%V\"", |
| 636 &code->name, &e->line); | |
| 509 | 637 } |
| 638 | |
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639 r->ncaptures = 0; |
| 515 | 640 |
| 509 | 641 if (code->test) { |
| 631 | 642 if (code->negative_test) { |
| 643 e->sp->len = 1; | |
| 644 e->sp->data = (u_char *) "1"; | |
| 645 | |
| 646 } else { | |
| 647 e->sp->len = 0; | |
| 648 e->sp->data = (u_char *) ""; | |
| 649 } | |
| 650 | |
| 509 | 651 e->sp++; |
| 652 | |
| 653 e->ip += sizeof(ngx_http_script_regex_code_t); | |
| 654 return; | |
| 655 } | |
| 656 | |
| 657 e->ip += code->next; | |
| 658 return; | |
| 659 } | |
| 660 | |
| 661 if (rc < 0) { | |
| 662 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, | |
| 663 ngx_regex_exec_n " failed: %d on \"%V\" using \"%V\"", | |
| 515 | 664 rc, &e->line, &code->name); |
| 509 | 665 |
| 666 e->ip = ngx_http_script_exit; | |
| 667 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 668 return; | |
| 669 } | |
| 670 | |
| 2397 | 671 if (e->log || (r->connection->log->log_level & NGX_LOG_DEBUG_HTTP)) { |
| 509 | 672 ngx_log_error(NGX_LOG_NOTICE, r->connection->log, 0, |
| 515 | 673 "\"%V\" matches \"%V\"", &code->name, &e->line); |
| 509 | 674 } |
| 675 | |
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676 r->ncaptures = code->ncaptures; |
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677 r->captures_data = e->line.data; |
| 515 | 678 |
| 509 | 679 if (code->test) { |
| 631 | 680 if (code->negative_test) { |
| 681 e->sp->len = 0; | |
| 682 e->sp->data = (u_char *) ""; | |
| 683 | |
| 684 } else { | |
| 685 e->sp->len = 1; | |
| 686 e->sp->data = (u_char *) "1"; | |
| 687 } | |
| 688 | |
| 509 | 689 e->sp++; |
| 690 | |
| 691 e->ip += sizeof(ngx_http_script_regex_code_t); | |
| 692 return; | |
| 693 } | |
| 694 | |
| 695 if (code->status) { | |
| 696 e->status = code->status; | |
| 507 | 697 |
| 509 | 698 if (!code->redirect) { |
| 699 e->ip = ngx_http_script_exit; | |
| 700 return; | |
| 701 } | |
| 702 } | |
| 703 | |
| 704 if (code->uri) { | |
| 705 r->internal = 1; | |
| 706 r->valid_unparsed_uri = 0; | |
| 707 | |
| 708 if (code->break_cycle) { | |
| 709 r->valid_location = 0; | |
| 527 | 710 r->uri_changed = 0; |
| 509 | 711 |
| 712 } else { | |
| 713 r->uri_changed = 1; | |
| 714 } | |
| 715 } | |
| 716 | |
| 717 if (code->lengths == NULL) { | |
| 718 e->buf.len = code->size; | |
| 719 | |
| 720 if (code->uri) { | |
| 721 if (rc && (r->quoted_uri || r->plus_in_uri)) { | |
| 722 e->buf.len += 2 * ngx_escape_uri(NULL, r->uri.data, r->uri.len, | |
| 723 NGX_ESCAPE_ARGS); | |
| 724 } | |
| 725 } | |
| 726 | |
| 727 for (n = 1; n < (ngx_uint_t) rc; n++) { | |
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728 e->buf.len += r->captures[2 * n + 1] - r->captures[2 * n]; |
| 509 | 729 } |
| 730 | |
| 731 } else { | |
| 732 ngx_memzero(&le, sizeof(ngx_http_script_engine_t)); | |
| 733 | |
| 734 le.ip = code->lengths->elts; | |
| 679 | 735 le.line = e->line; |
| 509 | 736 le.request = r; |
| 679 | 737 le.quote = code->redirect; |
| 509 | 738 |
|
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739 len = 0; |
| 509 | 740 |
| 741 while (*(uintptr_t *) le.ip) { | |
| 742 lcode = *(ngx_http_script_len_code_pt *) le.ip; | |
| 743 len += lcode(&le); | |
| 744 } | |
| 745 | |
| 746 e->buf.len = len; | |
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747 e->is_args = le.is_args; |
| 509 | 748 } |
| 749 | |
| 515 | 750 if (code->add_args && r->args.len) { |
| 509 | 751 e->buf.len += r->args.len + 1; |
| 752 } | |
| 753 | |
| 2049 | 754 e->buf.data = ngx_pnalloc(r->pool, e->buf.len); |
| 509 | 755 if (e->buf.data == NULL) { |
| 756 e->ip = ngx_http_script_exit; | |
| 757 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 507 | 758 return; |
| 759 } | |
| 760 | |
| 509 | 761 e->quote = code->redirect; |
| 762 | |
| 763 e->pos = e->buf.data; | |
| 764 | |
| 765 e->ip += sizeof(ngx_http_script_regex_code_t); | |
| 766 } | |
| 767 | |
| 768 | |
| 769 void | |
| 770 ngx_http_script_regex_end_code(ngx_http_script_engine_t *e) | |
| 771 { | |
| 577 | 772 u_char *dst, *src; |
| 509 | 773 ngx_http_request_t *r; |
| 774 ngx_http_script_regex_end_code_t *code; | |
| 775 | |
| 776 code = (ngx_http_script_regex_end_code_t *) e->ip; | |
| 777 | |
| 778 r = e->request; | |
| 779 | |
| 780 e->quote = 0; | |
| 781 | |
| 782 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 783 "http script regex end"); | |
| 784 | |
| 785 if (code->redirect) { | |
| 786 | |
| 577 | 787 dst = e->buf.data; |
| 788 src = e->buf.data; | |
| 789 | |
| 1593 | 790 ngx_unescape_uri(&dst, &src, e->pos - e->buf.data, |
| 791 NGX_UNESCAPE_REDIRECT); | |
| 577 | 792 |
| 793 if (src < e->pos) { | |
| 794 dst = ngx_copy(dst, src, e->pos - src); | |
| 795 } | |
| 796 | |
| 797 e->pos = dst; | |
| 798 | |
| 799 if (code->add_args && r->args.len) { | |
| 509 | 800 *e->pos++ = (u_char) (code->args ? '&' : '?'); |
| 573 | 801 e->pos = ngx_copy(e->pos, r->args.data, r->args.len); |
| 509 | 802 } |
| 803 | |
| 804 e->buf.len = e->pos - e->buf.data; | |
| 805 | |
| 2397 | 806 if (e->log || (r->connection->log->log_level & NGX_LOG_DEBUG_HTTP)) { |
| 509 | 807 ngx_log_error(NGX_LOG_NOTICE, r->connection->log, 0, |
| 808 "rewritten redirect: \"%V\"", &e->buf); | |
| 809 } | |
| 810 | |
| 811 r->headers_out.location = ngx_list_push(&r->headers_out.headers); | |
| 812 if (r->headers_out.location == NULL) { | |
| 813 e->ip = ngx_http_script_exit; | |
| 814 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 815 return; | |
| 816 } | |
| 817 | |
| 577 | 818 r->headers_out.location->hash = 1; |
| 509 | 819 r->headers_out.location->key.len = sizeof("Location") - 1; |
| 820 r->headers_out.location->key.data = (u_char *) "Location"; | |
| 821 r->headers_out.location->value = e->buf; | |
| 822 | |
| 823 e->ip += sizeof(ngx_http_script_regex_end_code_t); | |
| 824 return; | |
| 825 } | |
| 826 | |
| 577 | 827 if (e->args) { |
| 509 | 828 e->buf.len = e->args - e->buf.data; |
| 829 | |
| 830 if (code->add_args && r->args.len) { | |
| 831 *e->pos++ = '&'; | |
| 573 | 832 e->pos = ngx_copy(e->pos, r->args.data, r->args.len); |
| 509 | 833 } |
| 834 | |
| 835 r->args.len = e->pos - e->args; | |
| 836 r->args.data = e->args; | |
| 837 | |
| 838 e->args = NULL; | |
| 839 | |
| 840 } else { | |
| 841 e->buf.len = e->pos - e->buf.data; | |
| 673 | 842 |
| 843 if (!code->add_args) { | |
| 844 r->args.len = 0; | |
| 845 } | |
| 509 | 846 } |
| 847 | |
| 2397 | 848 if (e->log || (r->connection->log->log_level & NGX_LOG_DEBUG_HTTP)) { |
| 509 | 849 ngx_log_error(NGX_LOG_NOTICE, r->connection->log, 0, |
| 850 "rewritten data: \"%V\", args: \"%V\"", | |
| 851 &e->buf, &r->args); | |
| 852 } | |
| 853 | |
| 854 if (code->uri) { | |
| 855 r->uri = e->buf; | |
| 856 | |
| 535 | 857 if (r->uri.len == 0) { |
| 858 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 859 "the rewritten URI has a zero length"); | |
| 860 e->ip = ngx_http_script_exit; | |
| 861 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 862 return; | |
| 863 } | |
| 864 | |
| 509 | 865 if (ngx_http_set_exten(r) != NGX_OK) { |
| 866 e->ip = ngx_http_script_exit; | |
| 867 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 868 return; | |
| 869 } | |
| 870 } | |
| 871 | |
| 872 e->ip += sizeof(ngx_http_script_regex_end_code_t); | |
| 873 } | |
| 874 | |
|
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|
875 |
|
2577
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|
876 static ngx_int_t |
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|
877 ngx_http_script_add_capture_code(ngx_http_script_compile_t *sc, ngx_uint_t n) |
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|
878 { |
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|
879 ngx_http_script_copy_capture_code_t *code; |
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|
880 |
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881 code = ngx_http_script_add_code(*sc->lengths, |
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882 sizeof(ngx_http_script_copy_capture_code_t), |
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|
883 NULL); |
|
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884 if (code == NULL) { |
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885 return NGX_ERROR; |
|
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|
886 } |
|
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|
887 |
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888 code->code = (ngx_http_script_code_pt) |
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889 ngx_http_script_copy_capture_len_code; |
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|
890 code->n = 2 * n; |
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|
891 |
|
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|
892 |
|
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893 code = ngx_http_script_add_code(*sc->values, |
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894 sizeof(ngx_http_script_copy_capture_code_t), |
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|
895 &sc->main); |
|
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896 if (code == NULL) { |
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897 return NGX_ERROR; |
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898 } |
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|
899 |
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900 code->code = ngx_http_script_copy_capture_code; |
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901 code->n = 2 * n; |
|
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|
902 |
|
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903 if (sc->ncaptures < n) { |
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904 sc->ncaptures = n; |
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|
905 } |
|
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|
906 |
|
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|
907 return NGX_OK; |
|
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|
908 } |
|
2dcbcfc1a8d1
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|
909 |
|
2dcbcfc1a8d1
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|
910 |
|
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|
911 size_t |
|
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912 ngx_http_script_copy_capture_len_code(ngx_http_script_engine_t *e) |
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Igor Sysoev <igor@sysoev.ru>
parents:
2498
diff
changeset
|
913 { |
|
912ce4113f21
now regex captures are per-request entities
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
914 int *cap; |
|
912ce4113f21
now regex captures are per-request entities
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
915 u_char *p; |
|
912ce4113f21
now regex captures are per-request entities
Igor Sysoev <igor@sysoev.ru>
parents:
2498
diff
changeset
|
916 ngx_uint_t n; |
|
912ce4113f21
now regex captures are per-request entities
Igor Sysoev <igor@sysoev.ru>
parents:
2498
diff
changeset
|
917 ngx_http_request_t *r; |
|
912ce4113f21
now regex captures are per-request entities
Igor Sysoev <igor@sysoev.ru>
parents:
2498
diff
changeset
|
918 ngx_http_script_copy_capture_code_t *code; |
|
912ce4113f21
now regex captures are per-request entities
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parents:
2498
diff
changeset
|
919 |
|
912ce4113f21
now regex captures are per-request entities
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
920 r = e->request; |
|
912ce4113f21
now regex captures are per-request entities
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
921 |
|
912ce4113f21
now regex captures are per-request entities
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
922 code = (ngx_http_script_copy_capture_code_t *) e->ip; |
|
912ce4113f21
now regex captures are per-request entities
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
923 |
|
912ce4113f21
now regex captures are per-request entities
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
924 e->ip += sizeof(ngx_http_script_copy_capture_code_t); |
|
912ce4113f21
now regex captures are per-request entities
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parents:
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diff
changeset
|
925 |
|
912ce4113f21
now regex captures are per-request entities
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
926 n = code->n; |
|
912ce4113f21
now regex captures are per-request entities
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
927 |
|
912ce4113f21
now regex captures are per-request entities
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
928 if (n < r->ncaptures) { |
|
912ce4113f21
now regex captures are per-request entities
Igor Sysoev <igor@sysoev.ru>
parents:
2498
diff
changeset
|
929 |
|
912ce4113f21
now regex captures are per-request entities
Igor Sysoev <igor@sysoev.ru>
parents:
2498
diff
changeset
|
930 cap = r->captures; |
|
912ce4113f21
now regex captures are per-request entities
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parents:
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diff
changeset
|
931 |
|
912ce4113f21
now regex captures are per-request entities
Igor Sysoev <igor@sysoev.ru>
parents:
2498
diff
changeset
|
932 if ((e->is_args || e->quote) |
|
912ce4113f21
now regex captures are per-request entities
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
933 && (e->request->quoted_uri || e->request->plus_in_uri)) |
|
912ce4113f21
now regex captures are per-request entities
Igor Sysoev <igor@sysoev.ru>
parents:
2498
diff
changeset
|
934 { |
|
912ce4113f21
now regex captures are per-request entities
Igor Sysoev <igor@sysoev.ru>
parents:
2498
diff
changeset
|
935 p = r->captures_data; |
|
912ce4113f21
now regex captures are per-request entities
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
936 |
|
912ce4113f21
now regex captures are per-request entities
Igor Sysoev <igor@sysoev.ru>
parents:
2498
diff
changeset
|
937 return cap[n + 1] - cap[n] |
|
912ce4113f21
now regex captures are per-request entities
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parents:
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diff
changeset
|
938 + 2 * ngx_escape_uri(NULL, &p[cap[n]], cap[n + 1] - cap[n], |
|
912ce4113f21
now regex captures are per-request entities
Igor Sysoev <igor@sysoev.ru>
parents:
2498
diff
changeset
|
939 NGX_ESCAPE_ARGS); |
|
912ce4113f21
now regex captures are per-request entities
Igor Sysoev <igor@sysoev.ru>
parents:
2498
diff
changeset
|
940 } else { |
|
912ce4113f21
now regex captures are per-request entities
Igor Sysoev <igor@sysoev.ru>
parents:
2498
diff
changeset
|
941 return cap[n + 1] - cap[n]; |
|
912ce4113f21
now regex captures are per-request entities
Igor Sysoev <igor@sysoev.ru>
parents:
2498
diff
changeset
|
942 } |
|
912ce4113f21
now regex captures are per-request entities
Igor Sysoev <igor@sysoev.ru>
parents:
2498
diff
changeset
|
943 } |
|
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now regex captures are per-request entities
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
944 |
|
912ce4113f21
now regex captures are per-request entities
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
945 return 0; |
|
912ce4113f21
now regex captures are per-request entities
Igor Sysoev <igor@sysoev.ru>
parents:
2498
diff
changeset
|
946 } |
|
912ce4113f21
now regex captures are per-request entities
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
947 |
|
912ce4113f21
now regex captures are per-request entities
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parents:
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diff
changeset
|
948 |
|
912ce4113f21
now regex captures are per-request entities
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
949 void |
|
912ce4113f21
now regex captures are per-request entities
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parents:
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diff
changeset
|
950 ngx_http_script_copy_capture_code(ngx_http_script_engine_t *e) |
|
912ce4113f21
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parents:
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diff
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|
951 { |
|
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diff
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|
952 int *cap; |
|
912ce4113f21
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parents:
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diff
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|
953 u_char *p, *pos; |
|
912ce4113f21
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parents:
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diff
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|
954 ngx_uint_t n; |
|
912ce4113f21
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diff
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|
955 ngx_http_request_t *r; |
|
912ce4113f21
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parents:
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diff
changeset
|
956 ngx_http_script_copy_capture_code_t *code; |
|
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|
957 |
|
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parents:
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|
958 r = e->request; |
|
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now regex captures are per-request entities
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diff
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|
959 |
|
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parents:
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|
960 code = (ngx_http_script_copy_capture_code_t *) e->ip; |
|
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diff
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|
961 |
|
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parents:
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|
962 e->ip += sizeof(ngx_http_script_copy_capture_code_t); |
|
912ce4113f21
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diff
changeset
|
963 |
|
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diff
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|
964 n = code->n; |
|
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diff
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|
965 |
|
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parents:
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diff
changeset
|
966 pos = e->pos; |
|
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diff
changeset
|
967 |
|
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parents:
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changeset
|
968 if (n < r->ncaptures) { |
|
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diff
changeset
|
969 |
|
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diff
changeset
|
970 cap = r->captures; |
|
912ce4113f21
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parents:
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diff
changeset
|
971 p = r->captures_data; |
|
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diff
changeset
|
972 |
|
912ce4113f21
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parents:
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diff
changeset
|
973 if ((e->is_args || e->quote) |
|
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parents:
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diff
changeset
|
974 && (e->request->quoted_uri || e->request->plus_in_uri)) |
|
912ce4113f21
now regex captures are per-request entities
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
975 { |
|
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
976 e->pos = (u_char *) ngx_escape_uri(pos, &p[cap[n]], |
|
912ce4113f21
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parents:
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diff
changeset
|
977 cap[n + 1] - cap[n], |
|
912ce4113f21
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parents:
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diff
changeset
|
978 NGX_ESCAPE_ARGS); |
|
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parents:
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diff
changeset
|
979 } else { |
|
912ce4113f21
now regex captures are per-request entities
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parents:
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diff
changeset
|
980 e->pos = ngx_copy(pos, &p[cap[n]], cap[n + 1] - cap[n]); |
|
912ce4113f21
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parents:
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diff
changeset
|
981 } |
|
912ce4113f21
now regex captures are per-request entities
Igor Sysoev <igor@sysoev.ru>
parents:
2498
diff
changeset
|
982 } |
|
912ce4113f21
now regex captures are per-request entities
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parents:
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diff
changeset
|
983 |
|
912ce4113f21
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
984 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, |
|
912ce4113f21
now regex captures are per-request entities
Igor Sysoev <igor@sysoev.ru>
parents:
2498
diff
changeset
|
985 "http script capture: \"%*s\"", e->pos - pos, pos); |
|
912ce4113f21
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
986 } |
|
912ce4113f21
now regex captures are per-request entities
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parents:
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diff
changeset
|
987 |
| 517 | 988 #endif |
| 989 | |
| 509 | 990 |
| 991 void | |
| 992 ngx_http_script_return_code(ngx_http_script_engine_t *e) | |
| 577 | 993 { |
| 509 | 994 ngx_http_script_return_code_t *code; |
| 577 | 995 |
| 509 | 996 code = (ngx_http_script_return_code_t *) e->ip; |
| 997 | |
| 998 e->status = code->status; | |
| 999 | |
| 653 | 1000 if (code->status == NGX_HTTP_NO_CONTENT) { |
| 1001 e->request->header_only = 1; | |
|
730
1be87cdd010f
set "Content-Length: 0" for errors handled by "return 204"
Igor Sysoev <igor@sysoev.ru>
parents:
679
diff
changeset
|
1002 e->request->zero_body = 1; |
| 653 | 1003 } |
| 1004 | |
| 509 | 1005 e->ip += sizeof(ngx_http_script_return_code_t) - sizeof(uintptr_t); |
| 479 | 1006 } |
| 509 | 1007 |
| 1008 | |
| 1009 void | |
| 527 | 1010 ngx_http_script_break_code(ngx_http_script_engine_t *e) |
| 1011 { | |
| 1012 e->request->uri_changed = 0; | |
| 1013 | |
| 1014 e->ip = ngx_http_script_exit; | |
| 1015 } | |
| 1016 | |
| 1017 | |
| 1018 void | |
| 509 | 1019 ngx_http_script_if_code(ngx_http_script_engine_t *e) |
| 1020 { | |
| 1021 ngx_http_script_if_code_t *code; | |
| 1022 | |
| 1023 code = (ngx_http_script_if_code_t *) e->ip; | |
| 1024 | |
| 1025 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
| 1026 "http script if"); | |
| 1027 | |
| 1028 e->sp--; | |
| 1029 | |
| 573 | 1030 if (e->sp->len && e->sp->data[0] != '0') { |
| 509 | 1031 if (code->loc_conf) { |
| 1032 e->request->loc_conf = code->loc_conf; | |
| 535 | 1033 ngx_http_update_location_config(e->request); |
| 509 | 1034 } |
| 1035 | |
| 1036 e->ip += sizeof(ngx_http_script_if_code_t); | |
| 1037 return; | |
| 1038 } | |
| 1039 | |
| 1040 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
| 577 | 1041 "http script if: false"); |
| 509 | 1042 |
| 1043 e->ip += code->next; | |
| 1044 } | |
| 1045 | |
| 1046 | |
| 1047 void | |
| 577 | 1048 ngx_http_script_equal_code(ngx_http_script_engine_t *e) |
| 1049 { | |
| 1050 ngx_http_variable_value_t *val, *res; | |
| 1051 | |
| 1052 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
| 1053 "http script equal"); | |
| 1054 | |
| 1055 e->sp--; | |
| 1056 val = e->sp; | |
| 1057 res = e->sp - 1; | |
| 1058 | |
| 1059 e->ip += sizeof(uintptr_t); | |
| 1060 | |
| 2393 | 1061 if (val->len == res->len |
| 1062 && ngx_strncmp(val->data, res->data, res->len) == 0) | |
| 577 | 1063 { |
| 1064 *res = ngx_http_variable_true_value; | |
| 1065 return; | |
| 1066 } | |
| 1067 | |
| 1068 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
| 1069 "http script equal: no"); | |
| 1070 | |
| 1071 *res = ngx_http_variable_null_value; | |
| 1072 } | |
| 1073 | |
| 1074 | |
| 1075 void | |
| 1076 ngx_http_script_not_equal_code(ngx_http_script_engine_t *e) | |
| 1077 { | |
| 1078 ngx_http_variable_value_t *val, *res; | |
| 1079 | |
| 1080 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
| 1081 "http script not equal"); | |
| 1082 | |
| 1083 e->sp--; | |
| 1084 val = e->sp; | |
| 1085 res = e->sp - 1; | |
| 1086 | |
| 1087 e->ip += sizeof(uintptr_t); | |
| 1088 | |
| 2393 | 1089 if (val->len == res->len |
| 1090 && ngx_strncmp(val->data, res->data, res->len) == 0) | |
| 577 | 1091 { |
| 1092 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
| 1093 "http script not equal: no"); | |
| 1094 | |
| 1095 *res = ngx_http_variable_null_value; | |
| 1096 return; | |
| 1097 } | |
| 1098 | |
| 1099 *res = ngx_http_variable_true_value; | |
| 1100 } | |
| 1101 | |
| 1102 | |
| 1103 void | |
| 631 | 1104 ngx_http_script_file_code(ngx_http_script_engine_t *e) |
| 1105 { | |
| 1454 | 1106 ngx_str_t path; |
| 1107 ngx_http_request_t *r; | |
| 1108 ngx_open_file_info_t of; | |
| 1109 ngx_http_core_loc_conf_t *clcf; | |
| 631 | 1110 ngx_http_variable_value_t *value; |
| 1111 ngx_http_script_file_code_t *code; | |
| 1112 | |
| 1113 value = e->sp - 1; | |
| 1114 | |
| 1115 code = (ngx_http_script_file_code_t *) e->ip; | |
| 1116 e->ip += sizeof(ngx_http_script_file_code_t); | |
| 1117 | |
| 1454 | 1118 path.len = value->len - 1; |
| 1119 path.data = value->data; | |
| 1120 | |
| 1121 r = e->request; | |
| 1122 | |
| 1123 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 1124 "http script file op %p \"%V\"", code->op, &path); | |
| 1125 | |
| 1126 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
| 631 | 1127 |
|
2068
75a8d34459c5
ngx_memzero() ngx_open_file_info_t
Igor Sysoev <igor@sysoev.ru>
parents:
2063
diff
changeset
|
1128 ngx_memzero(&of, sizeof(ngx_open_file_info_t)); |
|
75a8d34459c5
ngx_memzero() ngx_open_file_info_t
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parents:
2063
diff
changeset
|
1129 |
| 2129 | 1130 of.directio = clcf->directio; |
|
1767
c42431762903
open_file_cache_retest > open_file_cache_valid
Igor Sysoev <igor@sysoev.ru>
parents:
1593
diff
changeset
|
1131 of.valid = clcf->open_file_cache_valid; |
| 1772 | 1132 of.min_uses = clcf->open_file_cache_min_uses; |
| 1454 | 1133 of.errors = clcf->open_file_cache_errors; |
| 1457 | 1134 of.events = clcf->open_file_cache_events; |
| 631 | 1135 |
| 1454 | 1136 if (ngx_open_cached_file(clcf->open_file_cache, &path, &of, r->pool) |
| 1799 | 1137 != NGX_OK) |
| 1454 | 1138 { |
| 1139 if (of.err != NGX_ENOENT && of.err != NGX_ENOTDIR) { | |
| 1140 ngx_log_error(NGX_LOG_CRIT, r->connection->log, of.err, | |
| 631 | 1141 ngx_file_info_n " \"%s\" failed", value->data); |
| 1142 } | |
| 1143 | |
| 1144 switch (code->op) { | |
| 671 | 1145 |
| 631 | 1146 case ngx_http_script_file_plain: |
| 669 | 1147 case ngx_http_script_file_dir: |
| 1148 case ngx_http_script_file_exists: | |
| 1149 case ngx_http_script_file_exec: | |
|
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1150 goto false_value; |
| 671 | 1151 |
| 631 | 1152 case ngx_http_script_file_not_plain: |
| 669 | 1153 case ngx_http_script_file_not_dir: |
| 671 | 1154 case ngx_http_script_file_not_exists: |
| 669 | 1155 case ngx_http_script_file_not_exec: |
|
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1156 goto true_value; |
| 631 | 1157 } |
| 1158 | |
|
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1159 goto false_value; |
| 631 | 1160 } |
| 1161 | |
| 1162 switch (code->op) { | |
| 1163 case ngx_http_script_file_plain: | |
| 1454 | 1164 if (of.is_file) { |
|
2133
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parents:
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diff
changeset
|
1165 goto true_value; |
| 631 | 1166 } |
|
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fix conflicting names "true" and "false"
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diff
changeset
|
1167 goto false_value; |
| 631 | 1168 |
| 1169 case ngx_http_script_file_not_plain: | |
| 1454 | 1170 if (of.is_file) { |
|
2133
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fix conflicting names "true" and "false"
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diff
changeset
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1171 goto false_value; |
| 631 | 1172 } |
|
2133
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fix conflicting names "true" and "false"
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diff
changeset
|
1173 goto true_value; |
| 669 | 1174 |
| 1175 case ngx_http_script_file_dir: | |
| 1454 | 1176 if (of.is_dir) { |
|
2133
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parents:
2129
diff
changeset
|
1177 goto true_value; |
| 669 | 1178 } |
|
2133
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Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1179 goto false_value; |
| 669 | 1180 |
| 1181 case ngx_http_script_file_not_dir: | |
| 1454 | 1182 if (of.is_dir) { |
|
2133
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2129
diff
changeset
|
1183 goto false_value; |
| 669 | 1184 } |
|
2133
c505e2712e13
fix conflicting names "true" and "false"
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parents:
2129
diff
changeset
|
1185 goto true_value; |
| 669 | 1186 |
| 1187 case ngx_http_script_file_exists: | |
| 1454 | 1188 if (of.is_file || of.is_dir || of.is_link) { |
|
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
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2129
diff
changeset
|
1189 goto true_value; |
| 669 | 1190 } |
|
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1191 goto false_value; |
| 669 | 1192 |
| 1193 case ngx_http_script_file_not_exists: | |
| 1454 | 1194 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
|
1195 goto false_value; |
| 669 | 1196 } |
|
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1197 goto true_value; |
| 669 | 1198 |
| 1199 case ngx_http_script_file_exec: | |
| 1454 | 1200 if (of.is_exec) { |
|
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1201 goto true_value; |
| 669 | 1202 } |
|
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1203 goto false_value; |
| 669 | 1204 |
| 1205 case ngx_http_script_file_not_exec: | |
| 1454 | 1206 if (of.is_exec) { |
|
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1207 goto false_value; |
| 669 | 1208 } |
|
2133
c505e2712e13
fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
1209 goto true_value; |
| 631 | 1210 } |
| 1211 | |
|
2133
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fix conflicting names "true" and "false"
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
1212 false_value: |
| 631 | 1213 |
| 1454 | 1214 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
| 631 | 1215 "http script file op false"); |
| 1216 | |
| 1217 *value = ngx_http_variable_null_value; | |
| 1218 return; | |
| 1219 | |
|
2133
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fix conflicting names "true" and "false"
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parents:
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diff
changeset
|
1220 true_value: |
| 631 | 1221 |
| 1222 *value = ngx_http_variable_true_value; | |
| 1223 return; | |
| 1224 } | |
| 1225 | |
| 1226 | |
| 1227 void | |
| 515 | 1228 ngx_http_script_complex_value_code(ngx_http_script_engine_t *e) |
| 1229 { | |
| 1230 size_t len; | |
| 1231 ngx_http_script_engine_t le; | |
| 1232 ngx_http_script_len_code_pt lcode; | |
| 1233 ngx_http_script_complex_value_code_t *code; | |
| 1234 | |
| 1235 code = (ngx_http_script_complex_value_code_t *) e->ip; | |
| 1236 | |
| 1237 e->ip += sizeof(ngx_http_script_complex_value_code_t); | |
| 1238 | |
| 1239 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
| 1240 "http script complex value"); | |
| 1241 | |
| 1242 ngx_memzero(&le, sizeof(ngx_http_script_engine_t)); | |
| 1243 | |
| 1244 le.ip = code->lengths->elts; | |
| 655 | 1245 le.line = e->line; |
| 515 | 1246 le.request = e->request; |
| 655 | 1247 le.quote = e->quote; |
| 515 | 1248 |
| 1249 for (len = 0; *(uintptr_t *) le.ip; len += lcode(&le)) { | |
| 1250 lcode = *(ngx_http_script_len_code_pt *) le.ip; | |
| 1251 } | |
| 1252 | |
| 1253 e->buf.len = len; | |
| 2049 | 1254 e->buf.data = ngx_pnalloc(e->request->pool, len); |
| 515 | 1255 if (e->buf.data == NULL) { |
| 1256 e->ip = ngx_http_script_exit; | |
| 1257 e->status = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 1258 return; | |
| 1259 } | |
| 1260 | |
| 1261 e->pos = e->buf.data; | |
| 1262 | |
| 577 | 1263 e->sp->len = e->buf.len; |
| 573 | 1264 e->sp->data = e->buf.data; |
| 515 | 1265 e->sp++; |
| 1266 } | |
| 1267 | |
| 1268 | |
| 1269 void | |
| 509 | 1270 ngx_http_script_value_code(ngx_http_script_engine_t *e) |
| 1271 { | |
| 1272 ngx_http_script_value_code_t *code; | |
| 1273 | |
| 1274 code = (ngx_http_script_value_code_t *) e->ip; | |
| 1275 | |
| 1276 e->ip += sizeof(ngx_http_script_value_code_t); | |
| 1277 | |
| 573 | 1278 e->sp->len = code->text_len; |
| 1279 e->sp->data = (u_char *) code->text_data; | |
| 577 | 1280 |
| 1281 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
| 1561 | 1282 "http script value: \"%v\"", e->sp); |
| 577 | 1283 |
| 509 | 1284 e->sp++; |
| 1285 } | |
| 1286 | |
| 1287 | |
| 1288 void | |
| 1289 ngx_http_script_set_var_code(ngx_http_script_engine_t *e) | |
| 1290 { | |
| 1291 ngx_http_request_t *r; | |
| 1292 ngx_http_script_var_code_t *code; | |
| 1293 | |
| 1294 code = (ngx_http_script_var_code_t *) e->ip; | |
| 1295 | |
| 1296 e->ip += sizeof(ngx_http_script_var_code_t); | |
| 1297 | |
| 1298 r = e->request; | |
| 1299 | |
| 1300 e->sp--; | |
| 1301 | |
| 573 | 1302 r->variables[code->index].len = e->sp->len; |
| 1303 r->variables[code->index].valid = 1; | |
| 1565 | 1304 r->variables[code->index].no_cacheable = 0; |
| 573 | 1305 r->variables[code->index].not_found = 0; |
| 1306 r->variables[code->index].data = e->sp->data; | |
| 2393 | 1307 |
| 1308 #if (NGX_DEBUG) | |
| 1309 { | |
| 1310 ngx_http_variable_t *v; | |
| 1311 ngx_http_core_main_conf_t *cmcf; | |
| 1312 | |
| 1313 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); | |
| 1314 | |
| 1315 v = cmcf->variables.elts; | |
| 1316 | |
| 1317 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
| 1318 "http script set $%V", &v[code->index].name); | |
| 1319 } | |
| 1320 #endif | |
| 509 | 1321 } |
| 1322 | |
| 1323 | |
| 1324 void | |
| 637 | 1325 ngx_http_script_var_set_handler_code(ngx_http_script_engine_t *e) |
| 1326 { | |
| 1327 ngx_http_script_var_handler_code_t *code; | |
| 1328 | |
| 1329 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
| 1330 "http script set var handler"); | |
| 1331 | |
| 1332 code = (ngx_http_script_var_handler_code_t *) e->ip; | |
| 1333 | |
| 1334 e->ip += sizeof(ngx_http_script_var_handler_code_t); | |
| 1335 | |
| 1336 e->sp--; | |
| 1337 | |
| 1338 code->handler(e->request, e->sp, code->data); | |
| 1339 } | |
| 1340 | |
| 1341 | |
| 1342 void | |
| 509 | 1343 ngx_http_script_var_code(ngx_http_script_engine_t *e) |
| 1344 { | |
| 1345 ngx_http_variable_value_t *value; | |
| 1346 ngx_http_script_var_code_t *code; | |
| 1347 | |
| 1348 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0, | |
| 1349 "http script var"); | |
| 1350 | |
| 1351 code = (ngx_http_script_var_code_t *) e->ip; | |
| 1352 | |
| 1353 e->ip += sizeof(ngx_http_script_var_code_t); | |
| 1354 | |
| 573 | 1355 value = ngx_http_get_flushed_variable(e->request, code->index); |
| 509 | 1356 |
| 573 | 1357 if (value && !value->not_found) { |
| 1358 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
|
1359 "http script var: \"%v\"", value); |
| 573 | 1360 |
| 553 | 1361 *e->sp = *value; |
| 509 | 1362 e->sp++; |
| 1363 | |
| 1364 return; | |
| 1365 } | |
| 1366 | |
| 577 | 1367 *e->sp = ngx_http_variable_null_value; |
| 509 | 1368 e->sp++; |
| 1369 } | |
| 1370 | |
| 1371 | |
| 1372 void | |
| 1373 ngx_http_script_nop_code(ngx_http_script_engine_t *e) | |
| 1374 { | |
| 1375 e->ip += sizeof(uintptr_t); | |
| 1376 } |