Mercurial > hg > nginx
annotate src/core/ngx_string.c @ 6083:516d8e299273 stable-1.6
Core: overflow detection in number parsing functions.
| author | Ruslan Ermilov <ru@nginx.com> |
|---|---|
| date | Tue, 17 Mar 2015 00:26:15 +0300 |
| parents | a602e1006579 |
| children |
| rev | line source |
|---|---|
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
| 4412 | 4 * Copyright (C) Nginx, Inc. |
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5 */ |
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7 |
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8 #include <ngx_config.h> |
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9 #include <ngx_core.h> |
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11 |
| 2293 | 12 static u_char *ngx_sprintf_num(u_char *buf, u_char *last, uint64_t ui64, |
| 13 u_char zero, ngx_uint_t hexadecimal, ngx_uint_t width); | |
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14 static void ngx_encode_base64_internal(ngx_str_t *dst, ngx_str_t *src, |
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15 const u_char *basis, ngx_uint_t padding); |
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16 static ngx_int_t ngx_decode_base64_internal(ngx_str_t *dst, ngx_str_t *src, |
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17 const u_char *basis); |
| 2293 | 18 |
| 19 | |
| 2135 | 20 void |
| 21 ngx_strlow(u_char *dst, u_char *src, size_t n) | |
| 22 { | |
| 3275 | 23 while (n) { |
| 2135 | 24 *dst = ngx_tolower(*src); |
| 25 dst++; | |
| 26 src++; | |
| 3275 | 27 n--; |
| 2135 | 28 } |
| 29 } | |
| 30 | |
| 31 | |
| 493 | 32 u_char * |
| 33 ngx_cpystrn(u_char *dst, u_char *src, size_t n) | |
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34 { |
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35 if (n == 0) { |
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36 return dst; |
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37 } |
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38 |
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39 while (--n) { |
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40 *dst = *src; |
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41 |
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42 if (*dst == '\0') { |
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43 return dst; |
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44 } |
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45 |
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46 dst++; |
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47 src++; |
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48 } |
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49 |
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50 *dst = '\0'; |
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51 |
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52 return dst; |
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53 } |
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55 |
| 493 | 56 u_char * |
| 57 ngx_pstrdup(ngx_pool_t *pool, ngx_str_t *src) | |
| 485 | 58 { |
| 59 u_char *dst; | |
| 60 | |
| 2049 | 61 dst = ngx_pnalloc(pool, src->len); |
| 501 | 62 if (dst == NULL) { |
| 485 | 63 return NULL; |
| 64 } | |
| 65 | |
| 66 ngx_memcpy(dst, src->data, src->len); | |
| 67 | |
| 68 return dst; | |
| 69 } | |
| 70 | |
| 71 | |
| 455 | 72 /* |
| 73 * supported formats: | |
| 473 | 74 * %[0][width][x][X]O off_t |
| 461 | 75 * %[0][width]T time_t |
| 76 * %[0][width][u][x|X]z ssize_t/size_t | |
| 77 * %[0][width][u][x|X]d int/u_int | |
| 78 * %[0][width][u][x|X]l long | |
| 79 * %[0][width|m][u][x|X]i ngx_int_t/ngx_uint_t | |
| 80 * %[0][width][u][x|X]D int32_t/uint32_t | |
| 81 * %[0][width][u][x|X]L int64_t/uint64_t | |
| 495 | 82 * %[0][width|m][u][x|X]A ngx_atomic_int_t/ngx_atomic_uint_t |
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83 * %[0][width][.width]f double, max valid number fits to %18.15f |
| 461 | 84 * %P ngx_pid_t |
| 557 | 85 * %M ngx_msec_t |
| 461 | 86 * %r rlim_t |
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87 * %p void * |
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88 * %V ngx_str_t * |
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89 * %v ngx_variable_value_t * |
| 461 | 90 * %s null-terminated string |
| 1773 | 91 * %*s length and string |
| 461 | 92 * %Z '\0' |
| 525 | 93 * %N '\n' |
| 461 | 94 * %c char |
| 95 * %% % | |
| 455 | 96 * |
| 461 | 97 * reserved: |
| 98 * %t ptrdiff_t | |
| 3046 | 99 * %S null-terminated wchar string |
| 461 | 100 * %C wchar |
| 455 | 101 */ |
| 102 | |
| 461 | 103 |
| 503 | 104 u_char * ngx_cdecl |
| 493 | 105 ngx_sprintf(u_char *buf, const char *fmt, ...) |
| 461 | 106 { |
| 107 u_char *p; | |
| 108 va_list args; | |
| 109 | |
| 110 va_start(args, fmt); | |
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111 p = ngx_vslprintf(buf, (void *) -1, fmt, args); |
| 461 | 112 va_end(args); |
| 113 | |
| 114 return p; | |
| 115 } | |
| 116 | |
| 117 | |
| 503 | 118 u_char * ngx_cdecl |
| 493 | 119 ngx_snprintf(u_char *buf, size_t max, const char *fmt, ...) |
| 455 | 120 { |
| 461 | 121 u_char *p; |
| 122 va_list args; | |
| 123 | |
| 124 va_start(args, fmt); | |
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125 p = ngx_vslprintf(buf, buf + max, fmt, args); |
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126 va_end(args); |
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127 |
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128 return p; |
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129 } |
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130 |
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131 |
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132 u_char * ngx_cdecl |
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133 ngx_slprintf(u_char *buf, u_char *last, const char *fmt, ...) |
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134 { |
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135 u_char *p; |
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136 va_list args; |
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137 |
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138 va_start(args, fmt); |
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139 p = ngx_vslprintf(buf, last, fmt, args); |
| 461 | 140 va_end(args); |
| 141 | |
| 142 return p; | |
| 143 } | |
| 144 | |
| 455 | 145 |
| 493 | 146 u_char * |
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147 ngx_vslprintf(u_char *buf, u_char *last, const char *fmt, va_list args) |
| 461 | 148 { |
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149 u_char *p, zero; |
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150 int d; |
| 4604 | 151 double f; |
| 1773 | 152 size_t len, slen; |
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153 int64_t i64; |
| 4604 | 154 uint64_t ui64, frac; |
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155 ngx_msec_t ms; |
| 4604 | 156 ngx_uint_t width, sign, hex, max_width, frac_width, scale, n; |
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157 ngx_str_t *v; |
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158 ngx_variable_value_t *vv; |
| 455 | 159 |
| 461 | 160 while (*fmt && buf < last) { |
| 161 | |
| 162 /* | |
| 163 * "buf < last" means that we could copy at least one character: | |
| 164 * the plain character, "%%", "%c", and minus without the checking | |
| 165 */ | |
| 166 | |
| 455 | 167 if (*fmt == '%') { |
| 168 | |
| 461 | 169 i64 = 0; |
| 170 ui64 = 0; | |
| 171 | |
| 172 zero = (u_char) ((*++fmt == '0') ? '0' : ' '); | |
| 455 | 173 width = 0; |
| 174 sign = 1; | |
| 2293 | 175 hex = 0; |
| 493 | 176 max_width = 0; |
| 2293 | 177 frac_width = 0; |
| 1863 | 178 slen = (size_t) -1; |
| 455 | 179 |
| 180 while (*fmt >= '0' && *fmt <= '9') { | |
| 181 width = width * 10 + *fmt++ - '0'; | |
| 182 } | |
| 183 | |
| 184 | |
| 185 for ( ;; ) { | |
| 186 switch (*fmt) { | |
| 187 | |
| 188 case 'u': | |
| 189 sign = 0; | |
| 190 fmt++; | |
| 191 continue; | |
| 192 | |
| 467 | 193 case 'm': |
| 493 | 194 max_width = 1; |
| 467 | 195 fmt++; |
| 196 continue; | |
| 197 | |
| 461 | 198 case 'X': |
| 2293 | 199 hex = 2; |
| 461 | 200 sign = 0; |
| 201 fmt++; | |
| 202 continue; | |
| 203 | |
| 455 | 204 case 'x': |
| 2293 | 205 hex = 1; |
| 461 | 206 sign = 0; |
| 455 | 207 fmt++; |
| 208 continue; | |
| 209 | |
| 2293 | 210 case '.': |
| 211 fmt++; | |
| 212 | |
| 213 while (*fmt >= '0' && *fmt <= '9') { | |
| 214 frac_width = frac_width * 10 + *fmt++ - '0'; | |
| 215 } | |
| 216 | |
| 217 break; | |
| 218 | |
| 1773 | 219 case '*': |
| 1866 | 220 slen = va_arg(args, size_t); |
| 1773 | 221 fmt++; |
| 222 continue; | |
| 223 | |
| 455 | 224 default: |
| 225 break; | |
| 226 } | |
| 227 | |
| 228 break; | |
| 229 } | |
| 230 | |
| 231 | |
| 232 switch (*fmt) { | |
| 233 | |
| 461 | 234 case 'V': |
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235 v = va_arg(args, ngx_str_t *); |
| 455 | 236 |
| 3515 | 237 len = ngx_min(((size_t) (last - buf)), v->len); |
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238 buf = ngx_cpymem(buf, v->data, len); |
| 461 | 239 fmt++; |
| 455 | 240 |
| 461 | 241 continue; |
| 455 | 242 |
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243 case 'v': |
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244 vv = va_arg(args, ngx_variable_value_t *); |
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245 |
| 3515 | 246 len = ngx_min(((size_t) (last - buf)), vv->len); |
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247 buf = ngx_cpymem(buf, vv->data, len); |
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248 fmt++; |
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249 |
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250 continue; |
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251 |
| 455 | 252 case 's': |
| 461 | 253 p = va_arg(args, u_char *); |
| 455 | 254 |
| 1863 | 255 if (slen == (size_t) -1) { |
| 1773 | 256 while (*p && buf < last) { |
| 257 *buf++ = *p++; | |
| 258 } | |
| 259 | |
| 260 } else { | |
| 3515 | 261 len = ngx_min(((size_t) (last - buf)), slen); |
| 1867 | 262 buf = ngx_cpymem(buf, p, len); |
| 455 | 263 } |
| 1773 | 264 |
| 455 | 265 fmt++; |
| 266 | |
| 267 continue; | |
| 268 | |
| 461 | 269 case 'O': |
| 270 i64 = (int64_t) va_arg(args, off_t); | |
| 271 sign = 1; | |
| 272 break; | |
| 273 | |
| 274 case 'P': | |
| 275 i64 = (int64_t) va_arg(args, ngx_pid_t); | |
| 276 sign = 1; | |
| 277 break; | |
| 278 | |
| 279 case 'T': | |
| 280 i64 = (int64_t) va_arg(args, time_t); | |
| 281 sign = 1; | |
| 282 break; | |
| 283 | |
| 557 | 284 case 'M': |
| 561 | 285 ms = (ngx_msec_t) va_arg(args, ngx_msec_t); |
| 286 if ((ngx_msec_int_t) ms == -1) { | |
| 287 sign = 1; | |
| 288 i64 = -1; | |
| 289 } else { | |
| 290 sign = 0; | |
| 291 ui64 = (uint64_t) ms; | |
| 292 } | |
| 557 | 293 break; |
| 294 | |
| 461 | 295 case 'z': |
| 296 if (sign) { | |
| 297 i64 = (int64_t) va_arg(args, ssize_t); | |
| 298 } else { | |
| 299 ui64 = (uint64_t) va_arg(args, size_t); | |
| 300 } | |
| 301 break; | |
| 302 | |
| 303 case 'i': | |
| 304 if (sign) { | |
| 305 i64 = (int64_t) va_arg(args, ngx_int_t); | |
| 306 } else { | |
| 307 ui64 = (uint64_t) va_arg(args, ngx_uint_t); | |
| 308 } | |
| 493 | 309 |
| 310 if (max_width) { | |
| 311 width = NGX_INT_T_LEN; | |
| 312 } | |
| 313 | |
| 461 | 314 break; |
| 315 | |
| 316 case 'd': | |
| 317 if (sign) { | |
| 318 i64 = (int64_t) va_arg(args, int); | |
| 319 } else { | |
| 320 ui64 = (uint64_t) va_arg(args, u_int); | |
| 321 } | |
| 322 break; | |
| 323 | |
| 324 case 'l': | |
| 325 if (sign) { | |
| 326 i64 = (int64_t) va_arg(args, long); | |
| 327 } else { | |
| 328 ui64 = (uint64_t) va_arg(args, u_long); | |
| 329 } | |
| 330 break; | |
| 331 | |
| 332 case 'D': | |
| 333 if (sign) { | |
| 334 i64 = (int64_t) va_arg(args, int32_t); | |
| 335 } else { | |
| 336 ui64 = (uint64_t) va_arg(args, uint32_t); | |
| 337 } | |
| 338 break; | |
| 339 | |
| 340 case 'L': | |
| 341 if (sign) { | |
| 342 i64 = va_arg(args, int64_t); | |
| 343 } else { | |
| 344 ui64 = va_arg(args, uint64_t); | |
| 345 } | |
| 346 break; | |
| 347 | |
| 493 | 348 case 'A': |
| 349 if (sign) { | |
| 350 i64 = (int64_t) va_arg(args, ngx_atomic_int_t); | |
| 351 } else { | |
| 495 | 352 ui64 = (uint64_t) va_arg(args, ngx_atomic_uint_t); |
| 493 | 353 } |
| 354 | |
| 355 if (max_width) { | |
| 356 width = NGX_ATOMIC_T_LEN; | |
| 357 } | |
| 358 | |
| 359 break; | |
| 360 | |
| 2293 | 361 case 'f': |
|
3506
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Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
362 f = va_arg(args, double); |
| 2293 | 363 |
| 364 if (f < 0) { | |
| 365 *buf++ = '-'; | |
| 366 f = -f; | |
| 367 } | |
| 368 | |
| 369 ui64 = (int64_t) f; | |
| 4604 | 370 frac = 0; |
| 371 | |
| 372 if (frac_width) { | |
| 373 | |
| 374 scale = 1; | |
| 375 for (n = frac_width; n; n--) { | |
| 376 scale *= 10; | |
| 377 } | |
| 378 | |
| 379 frac = (uint64_t) ((f - (double) ui64) * scale + 0.5); | |
| 380 | |
| 381 if (frac == scale) { | |
| 382 ui64++; | |
| 383 frac = 0; | |
| 384 } | |
| 385 } | |
| 2293 | 386 |
| 387 buf = ngx_sprintf_num(buf, last, ui64, zero, 0, width); | |
| 388 | |
| 389 if (frac_width) { | |
| 390 if (buf < last) { | |
| 391 *buf++ = '.'; | |
| 392 } | |
| 393 | |
| 4604 | 394 buf = ngx_sprintf_num(buf, last, frac, '0', 0, frac_width); |
| 2293 | 395 } |
| 396 | |
| 397 fmt++; | |
| 398 | |
| 399 continue; | |
| 400 | |
| 461 | 401 #if !(NGX_WIN32) |
| 402 case 'r': | |
| 403 i64 = (int64_t) va_arg(args, rlim_t); | |
| 404 sign = 1; | |
| 405 break; | |
| 406 #endif | |
| 407 | |
| 408 case 'p': | |
| 409 ui64 = (uintptr_t) va_arg(args, void *); | |
| 2293 | 410 hex = 2; |
| 461 | 411 sign = 0; |
| 412 zero = '0'; | |
| 613 | 413 width = NGX_PTR_SIZE * 2; |
| 461 | 414 break; |
| 415 | |
| 457 | 416 case 'c': |
| 461 | 417 d = va_arg(args, int); |
| 457 | 418 *buf++ = (u_char) (d & 0xff); |
| 419 fmt++; | |
| 420 | |
| 421 continue; | |
| 422 | |
| 461 | 423 case 'Z': |
| 424 *buf++ = '\0'; | |
| 425 fmt++; | |
| 426 | |
| 427 continue; | |
| 428 | |
| 525 | 429 case 'N': |
| 430 #if (NGX_WIN32) | |
| 431 *buf++ = CR; | |
| 432 #endif | |
| 433 *buf++ = LF; | |
| 434 fmt++; | |
| 435 | |
| 436 continue; | |
| 437 | |
| 455 | 438 case '%': |
| 439 *buf++ = '%'; | |
| 440 fmt++; | |
| 441 | |
| 442 continue; | |
| 443 | |
| 444 default: | |
| 445 *buf++ = *fmt++; | |
| 446 | |
| 447 continue; | |
| 448 } | |
| 449 | |
| 461 | 450 if (sign) { |
| 451 if (i64 < 0) { | |
| 452 *buf++ = '-'; | |
| 453 ui64 = (uint64_t) -i64; | |
| 454 | |
| 455 } else { | |
| 456 ui64 = (uint64_t) i64; | |
| 457 } | |
| 458 } | |
| 459 | |
| 2293 | 460 buf = ngx_sprintf_num(buf, last, ui64, zero, hex, width); |
| 455 | 461 |
| 462 fmt++; | |
| 463 | |
| 464 } else { | |
| 465 *buf++ = *fmt++; | |
| 466 } | |
| 467 } | |
| 468 | |
| 469 return buf; | |
| 470 } | |
| 471 | |
| 472 | |
| 2293 | 473 static u_char * |
| 474 ngx_sprintf_num(u_char *buf, u_char *last, uint64_t ui64, u_char zero, | |
| 475 ngx_uint_t hexadecimal, ngx_uint_t width) | |
| 476 { | |
| 477 u_char *p, temp[NGX_INT64_LEN + 1]; | |
| 478 /* | |
| 479 * we need temp[NGX_INT64_LEN] only, | |
| 480 * but icc issues the warning | |
| 481 */ | |
| 482 size_t len; | |
| 483 uint32_t ui32; | |
| 484 static u_char hex[] = "0123456789abcdef"; | |
| 485 static u_char HEX[] = "0123456789ABCDEF"; | |
| 486 | |
| 487 p = temp + NGX_INT64_LEN; | |
| 488 | |
| 489 if (hexadecimal == 0) { | |
| 490 | |
|
5358
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Win32: Open Watcom C compatibility fixes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
491 if (ui64 <= (uint64_t) NGX_MAX_UINT32_VALUE) { |
| 2293 | 492 |
| 493 /* | |
| 494 * To divide 64-bit numbers and to find remainders | |
| 495 * on the x86 platform gcc and icc call the libc functions | |
| 496 * [u]divdi3() and [u]moddi3(), they call another function | |
| 497 * in its turn. On FreeBSD it is the qdivrem() function, | |
| 498 * its source code is about 170 lines of the code. | |
| 499 * The glibc counterpart is about 150 lines of the code. | |
| 500 * | |
| 501 * For 32-bit numbers and some divisors gcc and icc use | |
| 502 * a inlined multiplication and shifts. For example, | |
| 503 * unsigned "i32 / 10" is compiled to | |
| 504 * | |
| 505 * (i32 * 0xCCCCCCCD) >> 35 | |
| 506 */ | |
| 507 | |
| 508 ui32 = (uint32_t) ui64; | |
| 509 | |
| 510 do { | |
| 511 *--p = (u_char) (ui32 % 10 + '0'); | |
| 512 } while (ui32 /= 10); | |
| 513 | |
| 514 } else { | |
| 515 do { | |
| 516 *--p = (u_char) (ui64 % 10 + '0'); | |
| 517 } while (ui64 /= 10); | |
| 518 } | |
| 519 | |
| 520 } else if (hexadecimal == 1) { | |
| 521 | |
| 522 do { | |
| 523 | |
| 524 /* the "(uint32_t)" cast disables the BCC's warning */ | |
| 525 *--p = hex[(uint32_t) (ui64 & 0xf)]; | |
| 526 | |
| 527 } while (ui64 >>= 4); | |
| 528 | |
| 529 } else { /* hexadecimal == 2 */ | |
| 530 | |
| 531 do { | |
| 532 | |
| 533 /* the "(uint32_t)" cast disables the BCC's warning */ | |
| 534 *--p = HEX[(uint32_t) (ui64 & 0xf)]; | |
| 535 | |
| 536 } while (ui64 >>= 4); | |
| 537 } | |
| 538 | |
| 539 /* zero or space padding */ | |
| 540 | |
| 541 len = (temp + NGX_INT64_LEN) - p; | |
| 542 | |
| 543 while (len++ < width && buf < last) { | |
| 544 *buf++ = zero; | |
| 545 } | |
| 546 | |
| 547 /* number safe copy */ | |
| 548 | |
| 549 len = (temp + NGX_INT64_LEN) - p; | |
| 550 | |
| 551 if (buf + len > last) { | |
| 552 len = last - buf; | |
| 553 } | |
| 554 | |
| 555 return ngx_cpymem(buf, p, len); | |
| 556 } | |
| 557 | |
| 558 | |
|
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parents:
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|
559 /* |
| 1541 | 560 * We use ngx_strcasecmp()/ngx_strncasecmp() for 7-bit ASCII strings only, |
|
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|
561 * and implement our own ngx_strcasecmp()/ngx_strncasecmp() |
|
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|
562 * to avoid libc locale overhead. Besides, we use the ngx_uint_t's |
|
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changeset
|
563 * instead of the u_char's, because they are slightly faster. |
|
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parents:
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|
564 */ |
|
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
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parents:
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changeset
|
565 |
|
db7c468c447d
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parents:
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changeset
|
566 ngx_int_t |
|
db7c468c447d
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parents:
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changeset
|
567 ngx_strcasecmp(u_char *s1, u_char *s2) |
|
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|
568 { |
|
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
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parents:
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changeset
|
569 ngx_uint_t c1, c2; |
|
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
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changeset
|
570 |
|
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
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|
571 for ( ;; ) { |
|
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
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parents:
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changeset
|
572 c1 = (ngx_uint_t) *s1++; |
|
db7c468c447d
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Igor Sysoev <igor@sysoev.ru>
parents:
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changeset
|
573 c2 = (ngx_uint_t) *s2++; |
|
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|
574 |
| 3115 | 575 c1 = (c1 >= 'A' && c1 <= 'Z') ? (c1 | 0x20) : c1; |
| 576 c2 = (c2 >= 'A' && c2 <= 'Z') ? (c2 | 0x20) : c2; | |
|
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diff
changeset
|
577 |
|
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
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changeset
|
578 if (c1 == c2) { |
|
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
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changeset
|
579 |
|
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ngx_strcasecmp()/ngx_strncasecmp()
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|
580 if (c1) { |
|
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ngx_strcasecmp()/ngx_strncasecmp()
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parents:
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changeset
|
581 continue; |
|
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ngx_strcasecmp()/ngx_strncasecmp()
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parents:
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|
582 } |
|
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
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changeset
|
583 |
|
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
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changeset
|
584 return 0; |
|
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
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parents:
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changeset
|
585 } |
|
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1029
diff
changeset
|
586 |
|
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
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parents:
1029
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changeset
|
587 return c1 - c2; |
|
db7c468c447d
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parents:
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changeset
|
588 } |
|
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
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parents:
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changeset
|
589 } |
|
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
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parents:
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diff
changeset
|
590 |
|
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
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parents:
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diff
changeset
|
591 |
|
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
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parents:
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changeset
|
592 ngx_int_t |
|
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
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parents:
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changeset
|
593 ngx_strncasecmp(u_char *s1, u_char *s2, size_t n) |
|
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parents:
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|
594 { |
|
db7c468c447d
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parents:
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changeset
|
595 ngx_uint_t c1, c2; |
|
db7c468c447d
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parents:
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changeset
|
596 |
|
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
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changeset
|
597 while (n) { |
|
db7c468c447d
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parents:
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changeset
|
598 c1 = (ngx_uint_t) *s1++; |
|
db7c468c447d
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changeset
|
599 c2 = (ngx_uint_t) *s2++; |
|
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
600 |
| 3115 | 601 c1 = (c1 >= 'A' && c1 <= 'Z') ? (c1 | 0x20) : c1; |
| 602 c2 = (c2 >= 'A' && c2 <= 'Z') ? (c2 | 0x20) : c2; | |
|
1107
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changeset
|
603 |
|
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
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parents:
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diff
changeset
|
604 if (c1 == c2) { |
|
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ngx_strcasecmp()/ngx_strncasecmp()
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changeset
|
605 |
|
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
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|
606 if (c1) { |
|
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ngx_strcasecmp()/ngx_strncasecmp()
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|
607 n--; |
|
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|
608 continue; |
|
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|
609 } |
|
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
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changeset
|
610 |
|
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
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changeset
|
611 return 0; |
|
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
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|
612 } |
|
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ngx_strcasecmp()/ngx_strncasecmp()
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changeset
|
613 |
|
db7c468c447d
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|
614 return c1 - c2; |
|
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
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|
615 } |
|
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
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parents:
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changeset
|
616 |
|
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changeset
|
617 return 0; |
|
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changeset
|
618 } |
|
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
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changeset
|
619 |
|
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
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parents:
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diff
changeset
|
620 |
| 1552 | 621 u_char * |
| 622 ngx_strnstr(u_char *s1, char *s2, size_t len) | |
| 623 { | |
| 624 u_char c1, c2; | |
| 625 size_t n; | |
| 626 | |
| 627 c2 = *(u_char *) s2++; | |
| 628 | |
| 629 n = ngx_strlen(s2); | |
| 630 | |
| 631 do { | |
| 632 do { | |
| 633 if (len-- == 0) { | |
| 634 return NULL; | |
| 635 } | |
| 636 | |
| 637 c1 = *s1++; | |
| 638 | |
| 639 if (c1 == 0) { | |
| 640 return NULL; | |
| 641 } | |
| 642 | |
| 643 } while (c1 != c2); | |
| 644 | |
| 645 if (n > len) { | |
| 646 return NULL; | |
| 647 } | |
| 648 | |
| 649 } while (ngx_strncmp(s1, (u_char *) s2, n) != 0); | |
| 650 | |
| 651 return --s1; | |
| 652 } | |
| 653 | |
| 654 | |
| 1550 | 655 /* |
| 656 * ngx_strstrn() and ngx_strcasestrn() are intended to search for static | |
| 657 * substring with known length in null-terminated string. The argument n | |
| 658 * must be length of the second substring - 1. | |
| 659 */ | |
| 660 | |
|
1542
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
661 u_char * |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
662 ngx_strstrn(u_char *s1, char *s2, size_t n) |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
663 { |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
664 u_char c1, c2; |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
665 |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
666 c2 = *(u_char *) s2++; |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
667 |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
668 do { |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
669 do { |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
670 c1 = *s1++; |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
671 |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
672 if (c1 == 0) { |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
673 return NULL; |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
674 } |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
675 |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
676 } while (c1 != c2); |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
677 |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
678 } while (ngx_strncmp(s1, (u_char *) s2, n) != 0); |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
679 |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
680 return --s1; |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
681 } |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
682 |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
683 |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
684 u_char * |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
685 ngx_strcasestrn(u_char *s1, char *s2, size_t n) |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
686 { |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
687 ngx_uint_t c1, c2; |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
688 |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
689 c2 = (ngx_uint_t) *s2++; |
| 3115 | 690 c2 = (c2 >= 'A' && c2 <= 'Z') ? (c2 | 0x20) : c2; |
|
1542
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
691 |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
692 do { |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
693 do { |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
694 c1 = (ngx_uint_t) *s1++; |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
695 |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
696 if (c1 == 0) { |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
697 return NULL; |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
698 } |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
699 |
| 3115 | 700 c1 = (c1 >= 'A' && c1 <= 'Z') ? (c1 | 0x20) : c1; |
|
1542
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
701 |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
702 } while (c1 != c2); |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
703 |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
704 } while (ngx_strncasecmp(s1, (u_char *) s2, n) != 0); |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
705 |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
706 return --s1; |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
707 } |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
708 |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
709 |
| 2668 | 710 /* |
| 711 * ngx_strlcasestrn() is intended to search for static substring | |
| 712 * with known length in string until the argument last. The argument n | |
| 713 * must be length of the second substring - 1. | |
| 714 */ | |
| 715 | |
| 716 u_char * | |
| 717 ngx_strlcasestrn(u_char *s1, u_char *last, u_char *s2, size_t n) | |
| 718 { | |
| 719 ngx_uint_t c1, c2; | |
| 720 | |
| 721 c2 = (ngx_uint_t) *s2++; | |
| 3115 | 722 c2 = (c2 >= 'A' && c2 <= 'Z') ? (c2 | 0x20) : c2; |
| 2668 | 723 last -= n; |
| 724 | |
| 725 do { | |
| 726 do { | |
|
2680
82e3946062be
backout r2677 and fix ngx_strlcasestrn() again
Igor Sysoev <igor@sysoev.ru>
parents:
2676
diff
changeset
|
727 if (s1 >= last) { |
| 2668 | 728 return NULL; |
| 729 } | |
| 730 | |
| 731 c1 = (ngx_uint_t) *s1++; | |
| 732 | |
| 3115 | 733 c1 = (c1 >= 'A' && c1 <= 'Z') ? (c1 | 0x20) : c1; |
| 2668 | 734 |
| 735 } while (c1 != c2); | |
| 736 | |
| 737 } while (ngx_strncasecmp(s1, s2, n) != 0); | |
| 738 | |
| 739 return --s1; | |
| 740 } | |
| 741 | |
| 742 | |
| 493 | 743 ngx_int_t |
| 744 ngx_rstrncmp(u_char *s1, u_char *s2, size_t n) | |
|
84
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
745 { |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
746 if (n == 0) { |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
747 return 0; |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
748 } |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
749 |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
750 n--; |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
751 |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
752 for ( ;; ) { |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
753 if (s1[n] != s2[n]) { |
|
290
87e73f067470
nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
176
diff
changeset
|
754 return s1[n] - s2[n]; |
|
84
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
755 } |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
756 |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
757 if (n == 0) { |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
758 return 0; |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
759 } |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
760 |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
761 n--; |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
762 } |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
763 } |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
764 |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
765 |
| 493 | 766 ngx_int_t |
| 767 ngx_rstrncasecmp(u_char *s1, u_char *s2, size_t n) | |
| 455 | 768 { |
| 769 u_char c1, c2; | |
| 770 | |
| 771 if (n == 0) { | |
| 772 return 0; | |
| 773 } | |
| 774 | |
| 775 n--; | |
| 776 | |
| 777 for ( ;; ) { | |
| 778 c1 = s1[n]; | |
| 779 if (c1 >= 'a' && c1 <= 'z') { | |
| 780 c1 -= 'a' - 'A'; | |
| 781 } | |
| 782 | |
| 783 c2 = s2[n]; | |
| 784 if (c2 >= 'a' && c2 <= 'z') { | |
| 785 c2 -= 'a' - 'A'; | |
| 786 } | |
| 787 | |
| 788 if (c1 != c2) { | |
| 789 return c1 - c2; | |
| 790 } | |
| 791 | |
| 792 if (n == 0) { | |
| 793 return 0; | |
| 794 } | |
| 795 | |
| 796 n--; | |
| 797 } | |
| 798 } | |
| 799 | |
| 800 | |
| 493 | 801 ngx_int_t |
|
1029
ce08bc4cb97b
ngx_strn2cmp() > ngx_memn2cmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1024
diff
changeset
|
802 ngx_memn2cmp(u_char *s1, u_char *s2, size_t n1, size_t n2) |
| 1024 | 803 { |
| 804 size_t n; | |
| 805 ngx_int_t m, z; | |
| 806 | |
| 807 if (n1 <= n2) { | |
| 808 n = n1; | |
| 809 z = -1; | |
| 810 | |
| 811 } else { | |
| 812 n = n2; | |
| 813 z = 1; | |
| 814 } | |
| 815 | |
|
1029
ce08bc4cb97b
ngx_strn2cmp() > ngx_memn2cmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1024
diff
changeset
|
816 m = ngx_memcmp(s1, s2, n); |
| 1024 | 817 |
| 818 if (m || n1 == n2) { | |
| 819 return m; | |
| 820 } | |
| 821 | |
| 822 return z; | |
| 823 } | |
| 824 | |
| 825 | |
| 826 ngx_int_t | |
|
3116
98e288c6dac3
If .domain.com, .sub.domain.com, and .domain-some.com were defined,
Igor Sysoev <igor@sysoev.ru>
parents:
3115
diff
changeset
|
827 ngx_dns_strcmp(u_char *s1, u_char *s2) |
|
98e288c6dac3
If .domain.com, .sub.domain.com, and .domain-some.com were defined,
Igor Sysoev <igor@sysoev.ru>
parents:
3115
diff
changeset
|
828 { |
|
98e288c6dac3
If .domain.com, .sub.domain.com, and .domain-some.com were defined,
Igor Sysoev <igor@sysoev.ru>
parents:
3115
diff
changeset
|
829 ngx_uint_t c1, c2; |
|
98e288c6dac3
If .domain.com, .sub.domain.com, and .domain-some.com were defined,
Igor Sysoev <igor@sysoev.ru>
parents:
3115
diff
changeset
|
830 |
|
98e288c6dac3
If .domain.com, .sub.domain.com, and .domain-some.com were defined,
Igor Sysoev <igor@sysoev.ru>
parents:
3115
diff
changeset
|
831 for ( ;; ) { |
|
98e288c6dac3
If .domain.com, .sub.domain.com, and .domain-some.com were defined,
Igor Sysoev <igor@sysoev.ru>
parents:
3115
diff
changeset
|
832 c1 = (ngx_uint_t) *s1++; |
|
98e288c6dac3
If .domain.com, .sub.domain.com, and .domain-some.com were defined,
Igor Sysoev <igor@sysoev.ru>
parents:
3115
diff
changeset
|
833 c2 = (ngx_uint_t) *s2++; |
|
98e288c6dac3
If .domain.com, .sub.domain.com, and .domain-some.com were defined,
Igor Sysoev <igor@sysoev.ru>
parents:
3115
diff
changeset
|
834 |
|
98e288c6dac3
If .domain.com, .sub.domain.com, and .domain-some.com were defined,
Igor Sysoev <igor@sysoev.ru>
parents:
3115
diff
changeset
|
835 c1 = (c1 >= 'A' && c1 <= 'Z') ? (c1 | 0x20) : c1; |
|
98e288c6dac3
If .domain.com, .sub.domain.com, and .domain-some.com were defined,
Igor Sysoev <igor@sysoev.ru>
parents:
3115
diff
changeset
|
836 c2 = (c2 >= 'A' && c2 <= 'Z') ? (c2 | 0x20) : c2; |
|
98e288c6dac3
If .domain.com, .sub.domain.com, and .domain-some.com were defined,
Igor Sysoev <igor@sysoev.ru>
parents:
3115
diff
changeset
|
837 |
|
98e288c6dac3
If .domain.com, .sub.domain.com, and .domain-some.com were defined,
Igor Sysoev <igor@sysoev.ru>
parents:
3115
diff
changeset
|
838 if (c1 == c2) { |
|
98e288c6dac3
If .domain.com, .sub.domain.com, and .domain-some.com were defined,
Igor Sysoev <igor@sysoev.ru>
parents:
3115
diff
changeset
|
839 |
|
98e288c6dac3
If .domain.com, .sub.domain.com, and .domain-some.com were defined,
Igor Sysoev <igor@sysoev.ru>
parents:
3115
diff
changeset
|
840 if (c1) { |
|
98e288c6dac3
If .domain.com, .sub.domain.com, and .domain-some.com were defined,
Igor Sysoev <igor@sysoev.ru>
parents:
3115
diff
changeset
|
841 continue; |
|
98e288c6dac3
If .domain.com, .sub.domain.com, and .domain-some.com were defined,
Igor Sysoev <igor@sysoev.ru>
parents:
3115
diff
changeset
|
842 } |
|
98e288c6dac3
If .domain.com, .sub.domain.com, and .domain-some.com were defined,
Igor Sysoev <igor@sysoev.ru>
parents:
3115
diff
changeset
|
843 |
|
98e288c6dac3
If .domain.com, .sub.domain.com, and .domain-some.com were defined,
Igor Sysoev <igor@sysoev.ru>
parents:
3115
diff
changeset
|
844 return 0; |
|
98e288c6dac3
If .domain.com, .sub.domain.com, and .domain-some.com were defined,
Igor Sysoev <igor@sysoev.ru>
parents:
3115
diff
changeset
|
845 } |
|
98e288c6dac3
If .domain.com, .sub.domain.com, and .domain-some.com were defined,
Igor Sysoev <igor@sysoev.ru>
parents:
3115
diff
changeset
|
846 |
|
98e288c6dac3
If .domain.com, .sub.domain.com, and .domain-some.com were defined,
Igor Sysoev <igor@sysoev.ru>
parents:
3115
diff
changeset
|
847 /* in ASCII '.' > '-', but we need '.' to be the lowest character */ |
|
98e288c6dac3
If .domain.com, .sub.domain.com, and .domain-some.com were defined,
Igor Sysoev <igor@sysoev.ru>
parents:
3115
diff
changeset
|
848 |
|
98e288c6dac3
If .domain.com, .sub.domain.com, and .domain-some.com were defined,
Igor Sysoev <igor@sysoev.ru>
parents:
3115
diff
changeset
|
849 c1 = (c1 == '.') ? ' ' : c1; |
|
98e288c6dac3
If .domain.com, .sub.domain.com, and .domain-some.com were defined,
Igor Sysoev <igor@sysoev.ru>
parents:
3115
diff
changeset
|
850 c2 = (c2 == '.') ? ' ' : c2; |
|
98e288c6dac3
If .domain.com, .sub.domain.com, and .domain-some.com were defined,
Igor Sysoev <igor@sysoev.ru>
parents:
3115
diff
changeset
|
851 |
|
98e288c6dac3
If .domain.com, .sub.domain.com, and .domain-some.com were defined,
Igor Sysoev <igor@sysoev.ru>
parents:
3115
diff
changeset
|
852 return c1 - c2; |
|
98e288c6dac3
If .domain.com, .sub.domain.com, and .domain-some.com were defined,
Igor Sysoev <igor@sysoev.ru>
parents:
3115
diff
changeset
|
853 } |
|
98e288c6dac3
If .domain.com, .sub.domain.com, and .domain-some.com were defined,
Igor Sysoev <igor@sysoev.ru>
parents:
3115
diff
changeset
|
854 } |
|
98e288c6dac3
If .domain.com, .sub.domain.com, and .domain-some.com were defined,
Igor Sysoev <igor@sysoev.ru>
parents:
3115
diff
changeset
|
855 |
|
98e288c6dac3
If .domain.com, .sub.domain.com, and .domain-some.com were defined,
Igor Sysoev <igor@sysoev.ru>
parents:
3115
diff
changeset
|
856 |
|
98e288c6dac3
If .domain.com, .sub.domain.com, and .domain-some.com were defined,
Igor Sysoev <igor@sysoev.ru>
parents:
3115
diff
changeset
|
857 ngx_int_t |
|
5389
72e31d88defa
Added ngx_filename_cmp() with "/" sorted to the left.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5358
diff
changeset
|
858 ngx_filename_cmp(u_char *s1, u_char *s2, size_t n) |
|
72e31d88defa
Added ngx_filename_cmp() with "/" sorted to the left.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5358
diff
changeset
|
859 { |
|
72e31d88defa
Added ngx_filename_cmp() with "/" sorted to the left.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5358
diff
changeset
|
860 ngx_uint_t c1, c2; |
|
72e31d88defa
Added ngx_filename_cmp() with "/" sorted to the left.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5358
diff
changeset
|
861 |
|
72e31d88defa
Added ngx_filename_cmp() with "/" sorted to the left.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5358
diff
changeset
|
862 while (n) { |
|
72e31d88defa
Added ngx_filename_cmp() with "/" sorted to the left.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5358
diff
changeset
|
863 c1 = (ngx_uint_t) *s1++; |
|
72e31d88defa
Added ngx_filename_cmp() with "/" sorted to the left.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5358
diff
changeset
|
864 c2 = (ngx_uint_t) *s2++; |
|
72e31d88defa
Added ngx_filename_cmp() with "/" sorted to the left.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5358
diff
changeset
|
865 |
|
72e31d88defa
Added ngx_filename_cmp() with "/" sorted to the left.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5358
diff
changeset
|
866 #if (NGX_HAVE_CASELESS_FILESYSTEM) |
|
72e31d88defa
Added ngx_filename_cmp() with "/" sorted to the left.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5358
diff
changeset
|
867 c1 = tolower(c1); |
|
72e31d88defa
Added ngx_filename_cmp() with "/" sorted to the left.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5358
diff
changeset
|
868 c2 = tolower(c2); |
|
72e31d88defa
Added ngx_filename_cmp() with "/" sorted to the left.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5358
diff
changeset
|
869 #endif |
|
72e31d88defa
Added ngx_filename_cmp() with "/" sorted to the left.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5358
diff
changeset
|
870 |
|
72e31d88defa
Added ngx_filename_cmp() with "/" sorted to the left.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5358
diff
changeset
|
871 if (c1 == c2) { |
|
72e31d88defa
Added ngx_filename_cmp() with "/" sorted to the left.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5358
diff
changeset
|
872 |
|
72e31d88defa
Added ngx_filename_cmp() with "/" sorted to the left.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5358
diff
changeset
|
873 if (c1) { |
|
72e31d88defa
Added ngx_filename_cmp() with "/" sorted to the left.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5358
diff
changeset
|
874 n--; |
|
72e31d88defa
Added ngx_filename_cmp() with "/" sorted to the left.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5358
diff
changeset
|
875 continue; |
|
72e31d88defa
Added ngx_filename_cmp() with "/" sorted to the left.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5358
diff
changeset
|
876 } |
|
72e31d88defa
Added ngx_filename_cmp() with "/" sorted to the left.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5358
diff
changeset
|
877 |
|
72e31d88defa
Added ngx_filename_cmp() with "/" sorted to the left.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5358
diff
changeset
|
878 return 0; |
|
72e31d88defa
Added ngx_filename_cmp() with "/" sorted to the left.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5358
diff
changeset
|
879 } |
|
72e31d88defa
Added ngx_filename_cmp() with "/" sorted to the left.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5358
diff
changeset
|
880 |
|
72e31d88defa
Added ngx_filename_cmp() with "/" sorted to the left.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5358
diff
changeset
|
881 /* we need '/' to be the lowest character */ |
|
72e31d88defa
Added ngx_filename_cmp() with "/" sorted to the left.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5358
diff
changeset
|
882 |
|
72e31d88defa
Added ngx_filename_cmp() with "/" sorted to the left.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5358
diff
changeset
|
883 if (c1 == 0 || c2 == 0) { |
|
72e31d88defa
Added ngx_filename_cmp() with "/" sorted to the left.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5358
diff
changeset
|
884 return c1 - c2; |
|
72e31d88defa
Added ngx_filename_cmp() with "/" sorted to the left.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5358
diff
changeset
|
885 } |
|
72e31d88defa
Added ngx_filename_cmp() with "/" sorted to the left.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5358
diff
changeset
|
886 |
|
72e31d88defa
Added ngx_filename_cmp() with "/" sorted to the left.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5358
diff
changeset
|
887 c1 = (c1 == '/') ? 0 : c1; |
|
72e31d88defa
Added ngx_filename_cmp() with "/" sorted to the left.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5358
diff
changeset
|
888 c2 = (c2 == '/') ? 0 : c2; |
|
72e31d88defa
Added ngx_filename_cmp() with "/" sorted to the left.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5358
diff
changeset
|
889 |
|
72e31d88defa
Added ngx_filename_cmp() with "/" sorted to the left.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5358
diff
changeset
|
890 return c1 - c2; |
|
72e31d88defa
Added ngx_filename_cmp() with "/" sorted to the left.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5358
diff
changeset
|
891 } |
|
72e31d88defa
Added ngx_filename_cmp() with "/" sorted to the left.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5358
diff
changeset
|
892 |
|
72e31d88defa
Added ngx_filename_cmp() with "/" sorted to the left.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5358
diff
changeset
|
893 return 0; |
|
72e31d88defa
Added ngx_filename_cmp() with "/" sorted to the left.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5358
diff
changeset
|
894 } |
|
72e31d88defa
Added ngx_filename_cmp() with "/" sorted to the left.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5358
diff
changeset
|
895 |
|
72e31d88defa
Added ngx_filename_cmp() with "/" sorted to the left.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5358
diff
changeset
|
896 |
|
72e31d88defa
Added ngx_filename_cmp() with "/" sorted to the left.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5358
diff
changeset
|
897 ngx_int_t |
| 493 | 898 ngx_atoi(u_char *line, size_t n) |
|
69
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
899 { |
|
6083
516d8e299273
Core: overflow detection in number parsing functions.
Ruslan Ermilov <ru@nginx.com>
parents:
5551
diff
changeset
|
900 ngx_int_t value, cutoff, cutlim; |
|
69
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
901 |
|
84
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
902 if (n == 0) { |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
903 return NGX_ERROR; |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
904 } |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
905 |
|
6083
516d8e299273
Core: overflow detection in number parsing functions.
Ruslan Ermilov <ru@nginx.com>
parents:
5551
diff
changeset
|
906 cutoff = NGX_MAX_INT_T_VALUE / 10; |
|
516d8e299273
Core: overflow detection in number parsing functions.
Ruslan Ermilov <ru@nginx.com>
parents:
5551
diff
changeset
|
907 cutlim = NGX_MAX_INT_T_VALUE % 10; |
|
516d8e299273
Core: overflow detection in number parsing functions.
Ruslan Ermilov <ru@nginx.com>
parents:
5551
diff
changeset
|
908 |
|
69
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
909 for (value = 0; n--; line++) { |
|
83
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
910 if (*line < '0' || *line > '9') { |
|
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
911 return NGX_ERROR; |
|
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
912 } |
|
69
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
913 |
|
6083
516d8e299273
Core: overflow detection in number parsing functions.
Ruslan Ermilov <ru@nginx.com>
parents:
5551
diff
changeset
|
914 if (value >= cutoff && (value > cutoff || *line - '0' > cutlim)) { |
|
516d8e299273
Core: overflow detection in number parsing functions.
Ruslan Ermilov <ru@nginx.com>
parents:
5551
diff
changeset
|
915 return NGX_ERROR; |
|
516d8e299273
Core: overflow detection in number parsing functions.
Ruslan Ermilov <ru@nginx.com>
parents:
5551
diff
changeset
|
916 } |
|
516d8e299273
Core: overflow detection in number parsing functions.
Ruslan Ermilov <ru@nginx.com>
parents:
5551
diff
changeset
|
917 |
|
83
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
918 value = value * 10 + (*line - '0'); |
|
69
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
919 } |
|
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
920 |
|
6083
516d8e299273
Core: overflow detection in number parsing functions.
Ruslan Ermilov <ru@nginx.com>
parents:
5551
diff
changeset
|
921 return value; |
|
338
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
922 } |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
923 |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
924 |
| 3512 | 925 /* parse a fixed point number, e.g., ngx_atofp("10.5", 4, 2) returns 1050 */ |
| 926 | |
| 927 ngx_int_t | |
| 928 ngx_atofp(u_char *line, size_t n, size_t point) | |
| 929 { | |
|
6083
516d8e299273
Core: overflow detection in number parsing functions.
Ruslan Ermilov <ru@nginx.com>
parents:
5551
diff
changeset
|
930 ngx_int_t value, cutoff, cutlim; |
| 3512 | 931 ngx_uint_t dot; |
| 932 | |
| 933 if (n == 0) { | |
| 934 return NGX_ERROR; | |
| 935 } | |
| 936 | |
|
6083
516d8e299273
Core: overflow detection in number parsing functions.
Ruslan Ermilov <ru@nginx.com>
parents:
5551
diff
changeset
|
937 cutoff = NGX_MAX_INT_T_VALUE / 10; |
|
516d8e299273
Core: overflow detection in number parsing functions.
Ruslan Ermilov <ru@nginx.com>
parents:
5551
diff
changeset
|
938 cutlim = NGX_MAX_INT_T_VALUE % 10; |
|
516d8e299273
Core: overflow detection in number parsing functions.
Ruslan Ermilov <ru@nginx.com>
parents:
5551
diff
changeset
|
939 |
| 3512 | 940 dot = 0; |
| 941 | |
| 942 for (value = 0; n--; line++) { | |
| 943 | |
| 944 if (point == 0) { | |
| 945 return NGX_ERROR; | |
| 946 } | |
| 947 | |
| 948 if (*line == '.') { | |
| 949 if (dot) { | |
| 950 return NGX_ERROR; | |
| 951 } | |
| 952 | |
| 953 dot = 1; | |
| 954 continue; | |
| 955 } | |
| 956 | |
| 957 if (*line < '0' || *line > '9') { | |
| 958 return NGX_ERROR; | |
| 959 } | |
| 960 | |
|
6083
516d8e299273
Core: overflow detection in number parsing functions.
Ruslan Ermilov <ru@nginx.com>
parents:
5551
diff
changeset
|
961 if (value >= cutoff && (value > cutoff || *line - '0' > cutlim)) { |
|
516d8e299273
Core: overflow detection in number parsing functions.
Ruslan Ermilov <ru@nginx.com>
parents:
5551
diff
changeset
|
962 return NGX_ERROR; |
|
516d8e299273
Core: overflow detection in number parsing functions.
Ruslan Ermilov <ru@nginx.com>
parents:
5551
diff
changeset
|
963 } |
|
516d8e299273
Core: overflow detection in number parsing functions.
Ruslan Ermilov <ru@nginx.com>
parents:
5551
diff
changeset
|
964 |
| 3512 | 965 value = value * 10 + (*line - '0'); |
| 966 point -= dot; | |
| 967 } | |
| 968 | |
| 969 while (point--) { | |
|
6083
516d8e299273
Core: overflow detection in number parsing functions.
Ruslan Ermilov <ru@nginx.com>
parents:
5551
diff
changeset
|
970 if (value > cutoff) { |
|
516d8e299273
Core: overflow detection in number parsing functions.
Ruslan Ermilov <ru@nginx.com>
parents:
5551
diff
changeset
|
971 return NGX_ERROR; |
|
516d8e299273
Core: overflow detection in number parsing functions.
Ruslan Ermilov <ru@nginx.com>
parents:
5551
diff
changeset
|
972 } |
|
516d8e299273
Core: overflow detection in number parsing functions.
Ruslan Ermilov <ru@nginx.com>
parents:
5551
diff
changeset
|
973 |
| 3512 | 974 value = value * 10; |
| 975 } | |
| 976 | |
|
6083
516d8e299273
Core: overflow detection in number parsing functions.
Ruslan Ermilov <ru@nginx.com>
parents:
5551
diff
changeset
|
977 return value; |
| 3512 | 978 } |
| 979 | |
| 980 | |
| 501 | 981 ssize_t |
| 982 ngx_atosz(u_char *line, size_t n) | |
| 983 { | |
|
6083
516d8e299273
Core: overflow detection in number parsing functions.
Ruslan Ermilov <ru@nginx.com>
parents:
5551
diff
changeset
|
984 ssize_t value, cutoff, cutlim; |
| 501 | 985 |
| 986 if (n == 0) { | |
| 987 return NGX_ERROR; | |
| 988 } | |
| 989 | |
|
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|
990 cutoff = NGX_MAX_SIZE_T_VALUE / 10; |
|
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|
991 cutlim = NGX_MAX_SIZE_T_VALUE % 10; |
|
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Core: overflow detection in number parsing functions.
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|
992 |
| 501 | 993 for (value = 0; n--; line++) { |
| 994 if (*line < '0' || *line > '9') { | |
| 995 return NGX_ERROR; | |
| 996 } | |
| 997 | |
|
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diff
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|
998 if (value >= cutoff && (value > cutoff || *line - '0' > cutlim)) { |
|
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|
999 return NGX_ERROR; |
|
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Core: overflow detection in number parsing functions.
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diff
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|
1000 } |
|
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Core: overflow detection in number parsing functions.
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diff
changeset
|
1001 |
| 501 | 1002 value = value * 10 + (*line - '0'); |
| 1003 } | |
| 1004 | |
|
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Core: overflow detection in number parsing functions.
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diff
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|
1005 return value; |
| 501 | 1006 } |
| 1007 | |
| 1008 | |
| 1009 off_t | |
| 1010 ngx_atoof(u_char *line, size_t n) | |
| 1011 { | |
|
6083
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Core: overflow detection in number parsing functions.
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parents:
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diff
changeset
|
1012 off_t value, cutoff, cutlim; |
| 501 | 1013 |
| 1014 if (n == 0) { | |
| 1015 return NGX_ERROR; | |
| 1016 } | |
| 1017 | |
|
6083
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Core: overflow detection in number parsing functions.
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diff
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|
1018 cutoff = NGX_MAX_OFF_T_VALUE / 10; |
|
516d8e299273
Core: overflow detection in number parsing functions.
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diff
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|
1019 cutlim = NGX_MAX_OFF_T_VALUE % 10; |
|
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diff
changeset
|
1020 |
| 501 | 1021 for (value = 0; n--; line++) { |
| 1022 if (*line < '0' || *line > '9') { | |
| 1023 return NGX_ERROR; | |
| 1024 } | |
| 1025 | |
|
6083
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diff
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|
1026 if (value >= cutoff && (value > cutoff || *line - '0' > cutlim)) { |
|
516d8e299273
Core: overflow detection in number parsing functions.
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|
1027 return NGX_ERROR; |
|
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Core: overflow detection in number parsing functions.
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|
1028 } |
|
516d8e299273
Core: overflow detection in number parsing functions.
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diff
changeset
|
1029 |
| 501 | 1030 value = value * 10 + (*line - '0'); |
| 1031 } | |
| 1032 | |
|
6083
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Core: overflow detection in number parsing functions.
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diff
changeset
|
1033 return value; |
| 501 | 1034 } |
| 1035 | |
| 1036 | |
| 1037 time_t | |
| 1038 ngx_atotm(u_char *line, size_t n) | |
| 1039 { | |
|
6083
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Core: overflow detection in number parsing functions.
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diff
changeset
|
1040 time_t value, cutoff, cutlim; |
| 501 | 1041 |
| 1042 if (n == 0) { | |
| 1043 return NGX_ERROR; | |
| 1044 } | |
| 1045 | |
|
6083
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Core: overflow detection in number parsing functions.
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diff
changeset
|
1046 cutoff = NGX_MAX_TIME_T_VALUE / 10; |
|
516d8e299273
Core: overflow detection in number parsing functions.
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diff
changeset
|
1047 cutlim = NGX_MAX_TIME_T_VALUE % 10; |
|
516d8e299273
Core: overflow detection in number parsing functions.
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diff
changeset
|
1048 |
| 501 | 1049 for (value = 0; n--; line++) { |
| 1050 if (*line < '0' || *line > '9') { | |
| 1051 return NGX_ERROR; | |
| 1052 } | |
| 1053 | |
|
6083
516d8e299273
Core: overflow detection in number parsing functions.
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parents:
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diff
changeset
|
1054 if (value >= cutoff && (value > cutoff || *line - '0' > cutlim)) { |
|
516d8e299273
Core: overflow detection in number parsing functions.
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diff
changeset
|
1055 return NGX_ERROR; |
|
516d8e299273
Core: overflow detection in number parsing functions.
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diff
changeset
|
1056 } |
|
516d8e299273
Core: overflow detection in number parsing functions.
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parents:
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diff
changeset
|
1057 |
| 501 | 1058 value = value * 10 + (*line - '0'); |
| 1059 } | |
| 1060 | |
|
6083
516d8e299273
Core: overflow detection in number parsing functions.
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parents:
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diff
changeset
|
1061 return value; |
| 501 | 1062 } |
| 1063 | |
| 1064 | |
| 493 | 1065 ngx_int_t |
| 1066 ngx_hextoi(u_char *line, size_t n) | |
|
338
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
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290
diff
changeset
|
1067 { |
| 783 | 1068 u_char c, ch; |
|
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Core: overflow detection in number parsing functions.
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diff
changeset
|
1069 ngx_int_t value, cutoff; |
|
338
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
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parents:
290
diff
changeset
|
1070 |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
1071 if (n == 0) { |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
1072 return NGX_ERROR; |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
1073 } |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
1074 |
|
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Core: overflow detection in number parsing functions.
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diff
changeset
|
1075 cutoff = NGX_MAX_INT_T_VALUE / 16; |
|
516d8e299273
Core: overflow detection in number parsing functions.
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diff
changeset
|
1076 |
|
338
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
1077 for (value = 0; n--; line++) { |
|
6083
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Core: overflow detection in number parsing functions.
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parents:
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diff
changeset
|
1078 if (value > cutoff) { |
|
516d8e299273
Core: overflow detection in number parsing functions.
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diff
changeset
|
1079 return NGX_ERROR; |
|
516d8e299273
Core: overflow detection in number parsing functions.
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diff
changeset
|
1080 } |
|
516d8e299273
Core: overflow detection in number parsing functions.
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parents:
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diff
changeset
|
1081 |
|
338
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
1082 ch = *line; |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
1083 |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
1084 if (ch >= '0' && ch <= '9') { |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
1085 value = value * 16 + (ch - '0'); |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
1086 continue; |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
1087 } |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
1088 |
| 783 | 1089 c = (u_char) (ch | 0x20); |
|
338
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
1090 |
| 783 | 1091 if (c >= 'a' && c <= 'f') { |
| 1092 value = value * 16 + (c - 'a' + 10); | |
|
338
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
1093 continue; |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
1094 } |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
1095 |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
1096 return NGX_ERROR; |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
1097 } |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
1098 |
|
6083
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Core: overflow detection in number parsing functions.
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diff
changeset
|
1099 return value; |
|
69
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
1100 } |
|
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
1101 |
|
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
1102 |
|
1745
ec63069aeb78
replace ngx_md5_text() with ngx_hex_dump()
Igor Sysoev <igor@sysoev.ru>
parents:
1629
diff
changeset
|
1103 u_char * |
|
ec63069aeb78
replace ngx_md5_text() with ngx_hex_dump()
Igor Sysoev <igor@sysoev.ru>
parents:
1629
diff
changeset
|
1104 ngx_hex_dump(u_char *dst, u_char *src, size_t len) |
|
174
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
100
diff
changeset
|
1105 { |
|
290
87e73f067470
nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
176
diff
changeset
|
1106 static u_char hex[] = "0123456789abcdef"; |
|
175
e92c2c647c57
nginx-0.0.1-2003-11-05-20:03:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
174
diff
changeset
|
1107 |
|
1745
ec63069aeb78
replace ngx_md5_text() with ngx_hex_dump()
Igor Sysoev <igor@sysoev.ru>
parents:
1629
diff
changeset
|
1108 while (len--) { |
|
ec63069aeb78
replace ngx_md5_text() with ngx_hex_dump()
Igor Sysoev <igor@sysoev.ru>
parents:
1629
diff
changeset
|
1109 *dst++ = hex[*src >> 4]; |
|
ec63069aeb78
replace ngx_md5_text() with ngx_hex_dump()
Igor Sysoev <igor@sysoev.ru>
parents:
1629
diff
changeset
|
1110 *dst++ = hex[*src++ & 0xf]; |
|
176
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
1111 } |
|
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
1112 |
|
1745
ec63069aeb78
replace ngx_md5_text() with ngx_hex_dump()
Igor Sysoev <igor@sysoev.ru>
parents:
1629
diff
changeset
|
1113 return dst; |
|
174
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
100
diff
changeset
|
1114 } |
|
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
100
diff
changeset
|
1115 |
|
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
100
diff
changeset
|
1116 |
| 493 | 1117 void |
| 1118 ngx_encode_base64(ngx_str_t *dst, ngx_str_t *src) | |
|
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1119 { |
|
5551
a602e1006579
Core: added ngx_encode_base64url().
Maxim Dounin <mdounin@mdounin.ru>
parents:
5389
diff
changeset
|
1120 static u_char basis64[] = |
|
a602e1006579
Core: added ngx_encode_base64url().
Maxim Dounin <mdounin@mdounin.ru>
parents:
5389
diff
changeset
|
1121 "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; |
|
a602e1006579
Core: added ngx_encode_base64url().
Maxim Dounin <mdounin@mdounin.ru>
parents:
5389
diff
changeset
|
1122 |
|
a602e1006579
Core: added ngx_encode_base64url().
Maxim Dounin <mdounin@mdounin.ru>
parents:
5389
diff
changeset
|
1123 ngx_encode_base64_internal(dst, src, basis64, 1); |
|
a602e1006579
Core: added ngx_encode_base64url().
Maxim Dounin <mdounin@mdounin.ru>
parents:
5389
diff
changeset
|
1124 } |
|
a602e1006579
Core: added ngx_encode_base64url().
Maxim Dounin <mdounin@mdounin.ru>
parents:
5389
diff
changeset
|
1125 |
|
a602e1006579
Core: added ngx_encode_base64url().
Maxim Dounin <mdounin@mdounin.ru>
parents:
5389
diff
changeset
|
1126 |
|
a602e1006579
Core: added ngx_encode_base64url().
Maxim Dounin <mdounin@mdounin.ru>
parents:
5389
diff
changeset
|
1127 void |
|
a602e1006579
Core: added ngx_encode_base64url().
Maxim Dounin <mdounin@mdounin.ru>
parents:
5389
diff
changeset
|
1128 ngx_encode_base64url(ngx_str_t *dst, ngx_str_t *src) |
|
a602e1006579
Core: added ngx_encode_base64url().
Maxim Dounin <mdounin@mdounin.ru>
parents:
5389
diff
changeset
|
1129 { |
|
a602e1006579
Core: added ngx_encode_base64url().
Maxim Dounin <mdounin@mdounin.ru>
parents:
5389
diff
changeset
|
1130 static u_char basis64[] = |
|
a602e1006579
Core: added ngx_encode_base64url().
Maxim Dounin <mdounin@mdounin.ru>
parents:
5389
diff
changeset
|
1131 "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_"; |
|
a602e1006579
Core: added ngx_encode_base64url().
Maxim Dounin <mdounin@mdounin.ru>
parents:
5389
diff
changeset
|
1132 |
|
a602e1006579
Core: added ngx_encode_base64url().
Maxim Dounin <mdounin@mdounin.ru>
parents:
5389
diff
changeset
|
1133 ngx_encode_base64_internal(dst, src, basis64, 0); |
|
a602e1006579
Core: added ngx_encode_base64url().
Maxim Dounin <mdounin@mdounin.ru>
parents:
5389
diff
changeset
|
1134 } |
|
a602e1006579
Core: added ngx_encode_base64url().
Maxim Dounin <mdounin@mdounin.ru>
parents:
5389
diff
changeset
|
1135 |
|
a602e1006579
Core: added ngx_encode_base64url().
Maxim Dounin <mdounin@mdounin.ru>
parents:
5389
diff
changeset
|
1136 |
|
a602e1006579
Core: added ngx_encode_base64url().
Maxim Dounin <mdounin@mdounin.ru>
parents:
5389
diff
changeset
|
1137 static void |
|
a602e1006579
Core: added ngx_encode_base64url().
Maxim Dounin <mdounin@mdounin.ru>
parents:
5389
diff
changeset
|
1138 ngx_encode_base64_internal(ngx_str_t *dst, ngx_str_t *src, const u_char *basis, |
|
a602e1006579
Core: added ngx_encode_base64url().
Maxim Dounin <mdounin@mdounin.ru>
parents:
5389
diff
changeset
|
1139 ngx_uint_t padding) |
|
a602e1006579
Core: added ngx_encode_base64url().
Maxim Dounin <mdounin@mdounin.ru>
parents:
5389
diff
changeset
|
1140 { |
|
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1141 u_char *d, *s; |
|
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1142 size_t len; |
|
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1143 |
|
409
8ac40cae79f0
nginx-0.0.10-2004-08-29-07:55:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
408
diff
changeset
|
1144 len = src->len; |
|
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1145 s = src->data; |
|
409
8ac40cae79f0
nginx-0.0.10-2004-08-29-07:55:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
408
diff
changeset
|
1146 d = dst->data; |
|
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1147 |
|
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1148 while (len > 2) { |
|
5551
a602e1006579
Core: added ngx_encode_base64url().
Maxim Dounin <mdounin@mdounin.ru>
parents:
5389
diff
changeset
|
1149 *d++ = basis[(s[0] >> 2) & 0x3f]; |
|
a602e1006579
Core: added ngx_encode_base64url().
Maxim Dounin <mdounin@mdounin.ru>
parents:
5389
diff
changeset
|
1150 *d++ = basis[((s[0] & 3) << 4) | (s[1] >> 4)]; |
|
a602e1006579
Core: added ngx_encode_base64url().
Maxim Dounin <mdounin@mdounin.ru>
parents:
5389
diff
changeset
|
1151 *d++ = basis[((s[1] & 0x0f) << 2) | (s[2] >> 6)]; |
|
a602e1006579
Core: added ngx_encode_base64url().
Maxim Dounin <mdounin@mdounin.ru>
parents:
5389
diff
changeset
|
1152 *d++ = basis[s[2] & 0x3f]; |
|
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1153 |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1154 s += 3; |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1155 len -= 3; |
|
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1156 } |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1157 |
|
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1158 if (len) { |
|
5551
a602e1006579
Core: added ngx_encode_base64url().
Maxim Dounin <mdounin@mdounin.ru>
parents:
5389
diff
changeset
|
1159 *d++ = basis[(s[0] >> 2) & 0x3f]; |
|
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1160 |
|
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1161 if (len == 1) { |
|
5551
a602e1006579
Core: added ngx_encode_base64url().
Maxim Dounin <mdounin@mdounin.ru>
parents:
5389
diff
changeset
|
1162 *d++ = basis[(s[0] & 3) << 4]; |
|
a602e1006579
Core: added ngx_encode_base64url().
Maxim Dounin <mdounin@mdounin.ru>
parents:
5389
diff
changeset
|
1163 if (padding) { |
|
a602e1006579
Core: added ngx_encode_base64url().
Maxim Dounin <mdounin@mdounin.ru>
parents:
5389
diff
changeset
|
1164 *d++ = '='; |
|
a602e1006579
Core: added ngx_encode_base64url().
Maxim Dounin <mdounin@mdounin.ru>
parents:
5389
diff
changeset
|
1165 } |
|
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1166 |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1167 } else { |
|
5551
a602e1006579
Core: added ngx_encode_base64url().
Maxim Dounin <mdounin@mdounin.ru>
parents:
5389
diff
changeset
|
1168 *d++ = basis[((s[0] & 3) << 4) | (s[1] >> 4)]; |
|
a602e1006579
Core: added ngx_encode_base64url().
Maxim Dounin <mdounin@mdounin.ru>
parents:
5389
diff
changeset
|
1169 *d++ = basis[(s[1] & 0x0f) << 2]; |
|
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1170 } |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1171 |
|
5551
a602e1006579
Core: added ngx_encode_base64url().
Maxim Dounin <mdounin@mdounin.ru>
parents:
5389
diff
changeset
|
1172 if (padding) { |
|
a602e1006579
Core: added ngx_encode_base64url().
Maxim Dounin <mdounin@mdounin.ru>
parents:
5389
diff
changeset
|
1173 *d++ = '='; |
|
a602e1006579
Core: added ngx_encode_base64url().
Maxim Dounin <mdounin@mdounin.ru>
parents:
5389
diff
changeset
|
1174 } |
|
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1175 } |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1176 |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1177 dst->len = d - dst->data; |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1178 } |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1179 |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1180 |
| 493 | 1181 ngx_int_t |
| 1182 ngx_decode_base64(ngx_str_t *dst, ngx_str_t *src) | |
|
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1183 { |
| 827 | 1184 static u_char basis64[] = { |
| 1185 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, | |
| 1186 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, | |
| 1187 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 62, 77, 77, 77, 63, | |
| 1188 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 77, 77, 77, 77, 77, 77, | |
| 1189 77, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, | |
| 1190 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 77, 77, 77, 77, 77, | |
| 1191 77, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, | |
| 1192 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 77, 77, 77, 77, 77, | |
|
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1193 |
| 827 | 1194 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, |
| 1195 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, | |
| 1196 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, | |
| 1197 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, | |
| 1198 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, | |
| 1199 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, | |
| 1200 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, | |
| 1201 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77 | |
| 1202 }; | |
|
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1203 |
|
3756
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
3725
diff
changeset
|
1204 return ngx_decode_base64_internal(dst, src, basis64); |
|
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
3725
diff
changeset
|
1205 } |
|
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
3725
diff
changeset
|
1206 |
|
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
3725
diff
changeset
|
1207 |
|
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
3725
diff
changeset
|
1208 ngx_int_t |
|
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
3725
diff
changeset
|
1209 ngx_decode_base64url(ngx_str_t *dst, ngx_str_t *src) |
|
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
3725
diff
changeset
|
1210 { |
|
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
3725
diff
changeset
|
1211 static u_char basis64[] = { |
|
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
3725
diff
changeset
|
1212 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, |
|
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
3725
diff
changeset
|
1213 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, |
|
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
3725
diff
changeset
|
1214 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 62, 77, 77, |
|
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
3725
diff
changeset
|
1215 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 77, 77, 77, 77, 77, 77, |
|
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
3725
diff
changeset
|
1216 77, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, |
|
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
3725
diff
changeset
|
1217 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 77, 77, 77, 77, 63, |
|
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
3725
diff
changeset
|
1218 77, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, |
|
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
3725
diff
changeset
|
1219 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 77, 77, 77, 77, 77, |
|
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
3725
diff
changeset
|
1220 |
|
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
3725
diff
changeset
|
1221 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, |
|
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
3725
diff
changeset
|
1222 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, |
|
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
3725
diff
changeset
|
1223 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, |
|
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
3725
diff
changeset
|
1224 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, |
|
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
3725
diff
changeset
|
1225 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, |
|
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
3725
diff
changeset
|
1226 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, |
|
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
3725
diff
changeset
|
1227 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, |
|
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
3725
diff
changeset
|
1228 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77 |
|
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
3725
diff
changeset
|
1229 }; |
|
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
3725
diff
changeset
|
1230 |
|
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
3725
diff
changeset
|
1231 return ngx_decode_base64_internal(dst, src, basis64); |
|
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
3725
diff
changeset
|
1232 } |
|
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
3725
diff
changeset
|
1233 |
|
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
3725
diff
changeset
|
1234 |
|
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
3725
diff
changeset
|
1235 static ngx_int_t |
|
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
3725
diff
changeset
|
1236 ngx_decode_base64_internal(ngx_str_t *dst, ngx_str_t *src, const u_char *basis) |
|
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
3725
diff
changeset
|
1237 { |
|
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
3725
diff
changeset
|
1238 size_t len; |
|
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
3725
diff
changeset
|
1239 u_char *d, *s; |
|
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
3725
diff
changeset
|
1240 |
|
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1241 for (len = 0; len < src->len; len++) { |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1242 if (src->data[len] == '=') { |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1243 break; |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1244 } |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1245 |
|
3756
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
3725
diff
changeset
|
1246 if (basis[src->data[len]] == 77) { |
|
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1247 return NGX_ERROR; |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1248 } |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1249 } |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1250 |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1251 if (len % 4 == 1) { |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1252 return NGX_ERROR; |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1253 } |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1254 |
|
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1255 s = src->data; |
|
409
8ac40cae79f0
nginx-0.0.10-2004-08-29-07:55:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
408
diff
changeset
|
1256 d = dst->data; |
|
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1257 |
|
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1258 while (len > 3) { |
|
3756
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
3725
diff
changeset
|
1259 *d++ = (u_char) (basis[s[0]] << 2 | basis[s[1]] >> 4); |
|
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
3725
diff
changeset
|
1260 *d++ = (u_char) (basis[s[1]] << 4 | basis[s[2]] >> 2); |
|
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
3725
diff
changeset
|
1261 *d++ = (u_char) (basis[s[2]] << 6 | basis[s[3]]); |
|
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1262 |
|
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1263 s += 4; |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1264 len -= 4; |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1265 } |
|
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1266 |
|
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1267 if (len > 1) { |
|
3756
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
3725
diff
changeset
|
1268 *d++ = (u_char) (basis[s[0]] << 2 | basis[s[1]] >> 4); |
|
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1269 } |
|
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1270 |
|
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1271 if (len > 2) { |
|
3756
7224d008faaf
new ngx_http_secure_link_module with secure_link, secure_link_md5, and
Igor Sysoev <igor@sysoev.ru>
parents:
3725
diff
changeset
|
1272 *d++ = (u_char) (basis[s[1]] << 4 | basis[s[2]] >> 2); |
|
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1273 } |
|
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1274 |
|
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1275 dst->len = d - dst->data; |
|
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1276 |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1277 return NGX_OK; |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1278 } |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1279 |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1280 |
| 657 | 1281 /* |
|
2125
8e4b9d2acde8
rename ngx_utf_...() to ngx_utf8_...()
Igor Sysoev <igor@sysoev.ru>
parents:
2120
diff
changeset
|
1282 * ngx_utf8_decode() decodes two and more bytes UTF sequences only |
| 657 | 1283 * the return values: |
| 1284 * 0x80 - 0x10ffff valid character | |
| 2120 | 1285 * 0x110000 - 0xfffffffd invalid sequence |
| 657 | 1286 * 0xfffffffe incomplete sequence |
| 1287 * 0xffffffff error | |
| 1288 */ | |
| 1289 | |
| 1290 uint32_t | |
|
2125
8e4b9d2acde8
rename ngx_utf_...() to ngx_utf8_...()
Igor Sysoev <igor@sysoev.ru>
parents:
2120
diff
changeset
|
1291 ngx_utf8_decode(u_char **p, size_t n) |
| 657 | 1292 { |
| 1293 size_t len; | |
| 1294 uint32_t u, i, valid; | |
| 1295 | |
| 1296 u = **p; | |
| 1297 | |
|
4209
9679fc14c063
Fixed utf8 decode (ticket #25).
Maxim Dounin <mdounin@mdounin.ru>
parents:
4192
diff
changeset
|
1298 if (u >= 0xf0) { |
| 657 | 1299 |
| 1300 u &= 0x07; | |
| 1301 valid = 0xffff; | |
| 1302 len = 3; | |
| 1303 | |
|
4209
9679fc14c063
Fixed utf8 decode (ticket #25).
Maxim Dounin <mdounin@mdounin.ru>
parents:
4192
diff
changeset
|
1304 } else if (u >= 0xe0) { |
| 657 | 1305 |
| 1306 u &= 0x0f; | |
| 1307 valid = 0x7ff; | |
| 1308 len = 2; | |
| 1309 | |
|
4209
9679fc14c063
Fixed utf8 decode (ticket #25).
Maxim Dounin <mdounin@mdounin.ru>
parents:
4192
diff
changeset
|
1310 } else if (u >= 0xc2) { |
| 657 | 1311 |
| 1312 u &= 0x1f; | |
| 1313 valid = 0x7f; | |
| 1314 len = 1; | |
| 1315 | |
| 1316 } else { | |
| 1317 (*p)++; | |
| 1318 return 0xffffffff; | |
| 1319 } | |
| 1320 | |
| 1321 if (n - 1 < len) { | |
| 1322 return 0xfffffffe; | |
| 1323 } | |
| 1324 | |
| 1325 (*p)++; | |
| 1326 | |
| 1327 while (len) { | |
| 1328 i = *(*p)++; | |
| 1329 | |
| 1330 if (i < 0x80) { | |
| 1331 return 0xffffffff; | |
| 1332 } | |
| 1333 | |
| 1334 u = (u << 6) | (i & 0x3f); | |
| 1335 | |
| 1336 len--; | |
| 1337 } | |
| 1338 | |
| 1339 if (u > valid) { | |
| 1340 return u; | |
| 1341 } | |
| 1342 | |
| 1343 return 0xffffffff; | |
| 1344 } | |
| 1345 | |
| 1346 | |
| 523 | 1347 size_t |
|
2125
8e4b9d2acde8
rename ngx_utf_...() to ngx_utf8_...()
Igor Sysoev <igor@sysoev.ru>
parents:
2120
diff
changeset
|
1348 ngx_utf8_length(u_char *p, size_t n) |
| 523 | 1349 { |
| 2120 | 1350 u_char c, *last; |
| 1351 size_t len; | |
| 523 | 1352 |
| 2120 | 1353 last = p + n; |
| 523 | 1354 |
| 2120 | 1355 for (len = 0; p < last; len++) { |
| 1356 | |
| 1357 c = *p; | |
| 523 | 1358 |
| 1359 if (c < 0x80) { | |
| 2120 | 1360 p++; |
| 523 | 1361 continue; |
| 1362 } | |
| 1363 | |
|
2125
8e4b9d2acde8
rename ngx_utf_...() to ngx_utf8_...()
Igor Sysoev <igor@sysoev.ru>
parents:
2120
diff
changeset
|
1364 if (ngx_utf8_decode(&p, n) > 0x10ffff) { |
|
8e4b9d2acde8
rename ngx_utf_...() to ngx_utf8_...()
Igor Sysoev <igor@sysoev.ru>
parents:
2120
diff
changeset
|
1365 /* invalid UTF-8 */ |
| 2120 | 1366 return n; |
| 523 | 1367 } |
| 1368 } | |
| 1369 | |
| 1370 return len; | |
| 1371 } | |
| 1372 | |
| 1373 | |
| 527 | 1374 u_char * |
|
2125
8e4b9d2acde8
rename ngx_utf_...() to ngx_utf8_...()
Igor Sysoev <igor@sysoev.ru>
parents:
2120
diff
changeset
|
1375 ngx_utf8_cpystrn(u_char *dst, u_char *src, size_t n, size_t len) |
| 527 | 1376 { |
| 2120 | 1377 u_char c, *next; |
| 527 | 1378 |
| 1379 if (n == 0) { | |
| 1380 return dst; | |
| 1381 } | |
| 1382 | |
| 2120 | 1383 while (--n) { |
| 527 | 1384 |
| 1385 c = *src; | |
| 1386 *dst = c; | |
| 1387 | |
| 1388 if (c < 0x80) { | |
| 2120 | 1389 |
| 1390 if (c != '\0') { | |
| 1391 dst++; | |
| 1392 src++; | |
| 1393 len--; | |
| 1394 | |
| 527 | 1395 continue; |
| 1396 } | |
| 1397 | |
| 1398 return dst; | |
| 1399 } | |
| 1400 | |
| 2120 | 1401 next = src; |
| 527 | 1402 |
|
2125
8e4b9d2acde8
rename ngx_utf_...() to ngx_utf8_...()
Igor Sysoev <igor@sysoev.ru>
parents:
2120
diff
changeset
|
1403 if (ngx_utf8_decode(&next, len) > 0x10ffff) { |
|
8e4b9d2acde8
rename ngx_utf_...() to ngx_utf8_...()
Igor Sysoev <igor@sysoev.ru>
parents:
2120
diff
changeset
|
1404 /* invalid UTF-8 */ |
| 2120 | 1405 break; |
| 527 | 1406 } |
| 1407 | |
| 2120 | 1408 while (src < next) { |
|
3410
bfcc9be4f1c9
fix ngx_utf8_cpystrn(): it did not fully copy utf-8 string
Igor Sysoev <igor@sysoev.ru>
parents:
3275
diff
changeset
|
1409 *dst++ = *src++; |
| 2120 | 1410 len--; |
| 1411 } | |
| 527 | 1412 } |
| 1413 | |
| 1414 *dst = '\0'; | |
| 1415 | |
| 1416 return dst; | |
| 1417 } | |
| 1418 | |
| 1419 | |
| 493 | 1420 uintptr_t |
| 1421 ngx_escape_uri(u_char *dst, u_char *src, size_t size, ngx_uint_t type) | |
|
69
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
1422 { |
| 3275 | 1423 ngx_uint_t n; |
| 827 | 1424 uint32_t *escape; |
| 1425 static u_char hex[] = "0123456789abcdef"; | |
| 461 | 1426 |
| 827 | 1427 /* " ", "#", "%", "?", %00-%1F, %7F-%FF */ |
| 485 | 1428 |
| 827 | 1429 static uint32_t uri[] = { |
| 1430 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
|
69
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
1431 |
| 827 | 1432 /* ?>=< ;:98 7654 3210 /.-, +*)( '&%$ #"! */ |
| 1433 0x80000029, /* 1000 0000 0000 0000 0000 0000 0010 1001 */ | |
| 1434 | |
| 1435 /* _^]\ [ZYX WVUT SRQP ONML KJIH GFED CBA@ */ | |
| 1436 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */ | |
| 452 | 1437 |
| 827 | 1438 /* ~}| {zyx wvut srqp onml kjih gfed cba` */ |
| 1439 0x80000000, /* 1000 0000 0000 0000 0000 0000 0000 0000 */ | |
|
69
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
1440 |
| 827 | 1441 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ |
| 1442 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
| 1443 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
| 1444 0xffffffff /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
| 1445 }; | |
| 452 | 1446 |
|
3486
5d28d30ba1b1
escape ampersand in argument while rewrite
Igor Sysoev <igor@sysoev.ru>
parents:
3410
diff
changeset
|
1447 /* " ", "#", "%", "&", "+", "?", %00-%1F, %7F-%FF */ |
| 485 | 1448 |
| 827 | 1449 static uint32_t args[] = { |
| 1450 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
| 1451 | |
| 1452 /* ?>=< ;:98 7654 3210 /.-, +*)( '&%$ #"! */ | |
| 3725 | 1453 0x88000869, /* 1000 1000 0000 0000 0000 1000 0110 1001 */ |
| 485 | 1454 |
| 827 | 1455 /* _^]\ [ZYX WVUT SRQP ONML KJIH GFED CBA@ */ |
| 1456 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */ | |
| 485 | 1457 |
| 827 | 1458 /* ~}| {zyx wvut srqp onml kjih gfed cba` */ |
| 1459 0x80000000, /* 1000 0000 0000 0000 0000 0000 0000 0000 */ | |
| 485 | 1460 |
| 827 | 1461 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ |
| 1462 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
| 1463 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
| 1464 0xffffffff /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
| 1465 }; | |
| 485 | 1466 |
|
4192
61e4af19df9f
Autoindex: escape '?' in file names.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4133
diff
changeset
|
1467 /* not ALPHA, DIGIT, "-", ".", "_", "~" */ |
|
61e4af19df9f
Autoindex: escape '?' in file names.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4133
diff
changeset
|
1468 |
|
61e4af19df9f
Autoindex: escape '?' in file names.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4133
diff
changeset
|
1469 static uint32_t uri_component[] = { |
|
61e4af19df9f
Autoindex: escape '?' in file names.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4133
diff
changeset
|
1470 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ |
|
61e4af19df9f
Autoindex: escape '?' in file names.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4133
diff
changeset
|
1471 |
|
61e4af19df9f
Autoindex: escape '?' in file names.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4133
diff
changeset
|
1472 /* ?>=< ;:98 7654 3210 /.-, +*)( '&%$ #"! */ |
|
61e4af19df9f
Autoindex: escape '?' in file names.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4133
diff
changeset
|
1473 0xfc009fff, /* 1111 1100 0000 0000 1001 1111 1111 1111 */ |
|
61e4af19df9f
Autoindex: escape '?' in file names.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4133
diff
changeset
|
1474 |
|
61e4af19df9f
Autoindex: escape '?' in file names.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4133
diff
changeset
|
1475 /* _^]\ [ZYX WVUT SRQP ONML KJIH GFED CBA@ */ |
|
61e4af19df9f
Autoindex: escape '?' in file names.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4133
diff
changeset
|
1476 0x78000001, /* 0111 1000 0000 0000 0000 0000 0000 0001 */ |
|
61e4af19df9f
Autoindex: escape '?' in file names.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4133
diff
changeset
|
1477 |
|
61e4af19df9f
Autoindex: escape '?' in file names.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4133
diff
changeset
|
1478 /* ~}| {zyx wvut srqp onml kjih gfed cba` */ |
|
61e4af19df9f
Autoindex: escape '?' in file names.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4133
diff
changeset
|
1479 0xb8000001, /* 1011 1000 0000 0000 0000 0000 0000 0001 */ |
|
61e4af19df9f
Autoindex: escape '?' in file names.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4133
diff
changeset
|
1480 |
|
61e4af19df9f
Autoindex: escape '?' in file names.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4133
diff
changeset
|
1481 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ |
|
61e4af19df9f
Autoindex: escape '?' in file names.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4133
diff
changeset
|
1482 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ |
|
61e4af19df9f
Autoindex: escape '?' in file names.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4133
diff
changeset
|
1483 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ |
|
61e4af19df9f
Autoindex: escape '?' in file names.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4133
diff
changeset
|
1484 0xffffffff /* 1111 1111 1111 1111 1111 1111 1111 1111 */ |
|
61e4af19df9f
Autoindex: escape '?' in file names.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4133
diff
changeset
|
1485 }; |
|
61e4af19df9f
Autoindex: escape '?' in file names.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4133
diff
changeset
|
1486 |
|
1405
fdd064faf26a
escape " ", "%", and %00-%1F in login and password
Igor Sysoev <igor@sysoev.ru>
parents:
1333
diff
changeset
|
1487 /* " ", "#", """, "%", "'", %00-%1F, %7F-%FF */ |
| 485 | 1488 |
| 827 | 1489 static uint32_t html[] = { |
| 1490 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
| 461 | 1491 |
| 827 | 1492 /* ?>=< ;:98 7654 3210 /.-, +*)( '&%$ #"! */ |
| 1297 | 1493 0x000000ad, /* 0000 0000 0000 0000 0000 0000 1010 1101 */ |
| 827 | 1494 |
| 1495 /* _^]\ [ZYX WVUT SRQP ONML KJIH GFED CBA@ */ | |
| 1496 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */ | |
| 461 | 1497 |
| 827 | 1498 /* ~}| {zyx wvut srqp onml kjih gfed cba` */ |
| 1499 0x80000000, /* 1000 0000 0000 0000 0000 0000 0000 0000 */ | |
| 461 | 1500 |
| 827 | 1501 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ |
| 1502 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
| 1503 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
| 1504 0xffffffff /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
| 1505 }; | |
| 461 | 1506 |
|
1405
fdd064faf26a
escape " ", "%", and %00-%1F in login and password
Igor Sysoev <igor@sysoev.ru>
parents:
1333
diff
changeset
|
1507 /* " ", """, "%", "'", %00-%1F, %7F-%FF */ |
| 461 | 1508 |
|
1298
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1509 static uint32_t refresh[] = { |
|
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1510 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ |
|
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1511 |
|
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1512 /* ?>=< ;:98 7654 3210 /.-, +*)( '&%$ #"! */ |
|
1629
12a656452ad1
do not encode already encoded characters in msie_refresh
Igor Sysoev <igor@sysoev.ru>
parents:
1593
diff
changeset
|
1513 0x00000085, /* 0000 0000 0000 0000 0000 0000 1000 0101 */ |
|
1298
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1514 |
|
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1515 /* _^]\ [ZYX WVUT SRQP ONML KJIH GFED CBA@ */ |
|
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1516 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */ |
|
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1517 |
|
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1518 /* ~}| {zyx wvut srqp onml kjih gfed cba` */ |
|
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1519 0x80000000, /* 1000 0000 0000 0000 0000 0000 0000 0000 */ |
|
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1520 |
|
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1521 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ |
|
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1522 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ |
|
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1523 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ |
|
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1524 0xffffffff /* 1111 1111 1111 1111 1111 1111 1111 1111 */ |
|
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1525 }; |
|
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1526 |
|
1405
fdd064faf26a
escape " ", "%", and %00-%1F in login and password
Igor Sysoev <igor@sysoev.ru>
parents:
1333
diff
changeset
|
1527 /* " ", "%", %00-%1F */ |
|
1333
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1528 |
|
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1529 static uint32_t memcached[] = { |
|
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1530 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ |
|
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1531 |
|
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1532 /* ?>=< ;:98 7654 3210 /.-, +*)( '&%$ #"! */ |
|
1405
fdd064faf26a
escape " ", "%", and %00-%1F in login and password
Igor Sysoev <igor@sysoev.ru>
parents:
1333
diff
changeset
|
1533 0x00000021, /* 0000 0000 0000 0000 0000 0000 0010 0001 */ |
|
1333
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1534 |
|
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1535 /* _^]\ [ZYX WVUT SRQP ONML KJIH GFED CBA@ */ |
|
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1536 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */ |
|
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1537 |
|
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1538 /* ~}| {zyx wvut srqp onml kjih gfed cba` */ |
|
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1539 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */ |
|
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1540 |
|
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1541 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */ |
|
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1542 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */ |
|
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1543 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */ |
|
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1544 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */ |
|
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1545 }; |
|
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1546 |
|
1405
fdd064faf26a
escape " ", "%", and %00-%1F in login and password
Igor Sysoev <igor@sysoev.ru>
parents:
1333
diff
changeset
|
1547 /* mail_auth is the same as memcached */ |
|
fdd064faf26a
escape " ", "%", and %00-%1F in login and password
Igor Sysoev <igor@sysoev.ru>
parents:
1333
diff
changeset
|
1548 |
|
fdd064faf26a
escape " ", "%", and %00-%1F in login and password
Igor Sysoev <igor@sysoev.ru>
parents:
1333
diff
changeset
|
1549 static uint32_t *map[] = |
|
4192
61e4af19df9f
Autoindex: escape '?' in file names.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4133
diff
changeset
|
1550 { uri, args, uri_component, html, refresh, memcached, memcached }; |
|
1298
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1551 |
|
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1552 |
|
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1553 escape = map[type]; |
| 461 | 1554 |
| 452 | 1555 if (dst == NULL) { |
| 1556 | |
| 1557 /* find the number of the characters to be escaped */ | |
|
69
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
1558 |
| 3115 | 1559 n = 0; |
| 452 | 1560 |
| 3275 | 1561 while (size) { |
| 452 | 1562 if (escape[*src >> 5] & (1 << (*src & 0x1f))) { |
| 1563 n++; | |
| 1564 } | |
| 1565 src++; | |
| 3275 | 1566 size--; |
| 452 | 1567 } |
| 1568 | |
| 485 | 1569 return (uintptr_t) n; |
|
69
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
1570 } |
|
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
1571 |
| 3275 | 1572 while (size) { |
| 452 | 1573 if (escape[*src >> 5] & (1 << (*src & 0x1f))) { |
| 1574 *dst++ = '%'; | |
| 1575 *dst++ = hex[*src >> 4]; | |
| 1576 *dst++ = hex[*src & 0xf]; | |
| 1577 src++; | |
|
69
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
1578 |
| 452 | 1579 } else { |
| 1580 *dst++ = *src++; | |
| 1581 } | |
| 3275 | 1582 size--; |
|
69
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
1583 } |
|
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
1584 |
| 485 | 1585 return (uintptr_t) dst; |
|
69
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
1586 } |
| 577 | 1587 |
| 1588 | |
| 1589 void | |
| 601 | 1590 ngx_unescape_uri(u_char **dst, u_char **src, size_t size, ngx_uint_t type) |
| 577 | 1591 { |
| 1592 u_char *d, *s, ch, c, decoded; | |
| 1593 enum { | |
| 1594 sw_usual = 0, | |
| 1595 sw_quoted, | |
| 1596 sw_quoted_second | |
| 1597 } state; | |
| 1598 | |
| 1599 d = *dst; | |
| 1600 s = *src; | |
| 1601 | |
| 1602 state = 0; | |
| 1603 decoded = 0; | |
| 1604 | |
| 1605 while (size--) { | |
| 1606 | |
| 1607 ch = *s++; | |
| 1608 | |
| 1609 switch (state) { | |
| 1610 case sw_usual: | |
| 1593 | 1611 if (ch == '?' |
| 1612 && (type & (NGX_UNESCAPE_URI|NGX_UNESCAPE_REDIRECT))) | |
| 1613 { | |
| 577 | 1614 *d++ = ch; |
| 1615 goto done; | |
| 1616 } | |
| 1617 | |
| 1618 if (ch == '%') { | |
| 1619 state = sw_quoted; | |
| 1620 break; | |
| 1621 } | |
| 1622 | |
| 1623 *d++ = ch; | |
| 1624 break; | |
| 1625 | |
| 1626 case sw_quoted: | |
| 1627 | |
| 1628 if (ch >= '0' && ch <= '9') { | |
| 1629 decoded = (u_char) (ch - '0'); | |
| 1630 state = sw_quoted_second; | |
| 1631 break; | |
| 1632 } | |
| 1633 | |
| 1634 c = (u_char) (ch | 0x20); | |
| 1635 if (c >= 'a' && c <= 'f') { | |
| 1636 decoded = (u_char) (c - 'a' + 10); | |
| 1637 state = sw_quoted_second; | |
| 1638 break; | |
| 1639 } | |
| 1640 | |
| 589 | 1641 /* the invalid quoted character */ |
| 577 | 1642 |
| 589 | 1643 state = sw_usual; |
| 1644 | |
| 1645 *d++ = ch; | |
| 577 | 1646 |
| 1647 break; | |
| 1648 | |
| 1649 case sw_quoted_second: | |
| 1650 | |
| 589 | 1651 state = sw_usual; |
| 1652 | |
| 577 | 1653 if (ch >= '0' && ch <= '9') { |
| 1654 ch = (u_char) ((decoded << 4) + ch - '0'); | |
| 1655 | |
| 1593 | 1656 if (type & NGX_UNESCAPE_REDIRECT) { |
| 601 | 1657 if (ch > '%' && ch < 0x7f) { |
| 1658 *d++ = ch; | |
| 1659 break; | |
| 1660 } | |
| 1661 | |
| 1662 *d++ = '%'; *d++ = *(s - 2); *d++ = *(s - 1); | |
| 1663 | |
| 577 | 1664 break; |
| 1665 } | |
| 1666 | |
| 601 | 1667 *d++ = ch; |
| 577 | 1668 |
| 1669 break; | |
| 1670 } | |
| 1671 | |
| 1672 c = (u_char) (ch | 0x20); | |
| 1673 if (c >= 'a' && c <= 'f') { | |
| 1674 ch = (u_char) ((decoded << 4) + c - 'a' + 10); | |
| 1675 | |
| 1593 | 1676 if (type & NGX_UNESCAPE_URI) { |
| 1677 if (ch == '?') { | |
| 1678 *d++ = ch; | |
| 1679 goto done; | |
| 1680 } | |
| 1681 | |
| 1682 *d++ = ch; | |
| 1683 break; | |
| 1684 } | |
| 1685 | |
| 1686 if (type & NGX_UNESCAPE_REDIRECT) { | |
| 601 | 1687 if (ch == '?') { |
| 1688 *d++ = ch; | |
| 1689 goto done; | |
| 1690 } | |
| 577 | 1691 |
| 601 | 1692 if (ch > '%' && ch < 0x7f) { |
| 1693 *d++ = ch; | |
| 1694 break; | |
| 1695 } | |
| 1696 | |
| 1697 *d++ = '%'; *d++ = *(s - 2); *d++ = *(s - 1); | |
| 577 | 1698 break; |
| 1699 } | |
| 1700 | |
| 601 | 1701 *d++ = ch; |
| 577 | 1702 |
| 1703 break; | |
| 1704 } | |
| 1705 | |
| 589 | 1706 /* the invalid quoted character */ |
| 577 | 1707 |
| 1708 break; | |
| 1709 } | |
| 1710 } | |
| 1711 | |
| 1712 done: | |
| 1713 | |
| 1714 *dst = d; | |
| 1715 *src = s; | |
| 1716 } | |
| 583 | 1717 |
| 1718 | |
| 1544 | 1719 uintptr_t |
| 1720 ngx_escape_html(u_char *dst, u_char *src, size_t size) | |
| 1721 { | |
| 1722 u_char ch; | |
| 3275 | 1723 ngx_uint_t len; |
| 1544 | 1724 |
| 1725 if (dst == NULL) { | |
| 1726 | |
| 1727 len = 0; | |
| 1728 | |
| 3275 | 1729 while (size) { |
| 1544 | 1730 switch (*src++) { |
| 1731 | |
| 1732 case '<': | |
| 1733 len += sizeof("<") - 2; | |
|
1560
25ee6eee7573
style fix: remove trailing spaces
Igor Sysoev <igor@sysoev.ru>
parents:
1552
diff
changeset
|
1734 break; |
| 1544 | 1735 |
| 1736 case '>': | |
| 1737 len += sizeof(">") - 2; | |
|
1560
25ee6eee7573
style fix: remove trailing spaces
Igor Sysoev <igor@sysoev.ru>
parents:
1552
diff
changeset
|
1738 break; |
| 1544 | 1739 |
| 1740 case '&': | |
| 1741 len += sizeof("&") - 2; | |
|
1560
25ee6eee7573
style fix: remove trailing spaces
Igor Sysoev <igor@sysoev.ru>
parents:
1552
diff
changeset
|
1742 break; |
| 1544 | 1743 |
|
4312
0a8e51a16484
Added escaping of double quotes in ngx_escape_html().
Maxim Dounin <mdounin@mdounin.ru>
parents:
4209
diff
changeset
|
1744 case '"': |
|
0a8e51a16484
Added escaping of double quotes in ngx_escape_html().
Maxim Dounin <mdounin@mdounin.ru>
parents:
4209
diff
changeset
|
1745 len += sizeof(""") - 2; |
|
0a8e51a16484
Added escaping of double quotes in ngx_escape_html().
Maxim Dounin <mdounin@mdounin.ru>
parents:
4209
diff
changeset
|
1746 break; |
|
0a8e51a16484
Added escaping of double quotes in ngx_escape_html().
Maxim Dounin <mdounin@mdounin.ru>
parents:
4209
diff
changeset
|
1747 |
| 1544 | 1748 default: |
| 1749 break; | |
| 1750 } | |
| 3275 | 1751 size--; |
| 1544 | 1752 } |
| 1753 | |
| 1754 return (uintptr_t) len; | |
| 1755 } | |
| 1756 | |
| 3275 | 1757 while (size) { |
| 1544 | 1758 ch = *src++; |
| 1759 | |
| 1760 switch (ch) { | |
| 1761 | |
| 1762 case '<': | |
| 1763 *dst++ = '&'; *dst++ = 'l'; *dst++ = 't'; *dst++ = ';'; | |
| 1764 break; | |
| 1765 | |
| 1766 case '>': | |
| 1767 *dst++ = '&'; *dst++ = 'g'; *dst++ = 't'; *dst++ = ';'; | |
| 1768 break; | |
| 1769 | |
| 1770 case '&': | |
| 1771 *dst++ = '&'; *dst++ = 'a'; *dst++ = 'm'; *dst++ = 'p'; | |
| 1772 *dst++ = ';'; | |
| 1773 break; | |
| 1774 | |
|
4312
0a8e51a16484
Added escaping of double quotes in ngx_escape_html().
Maxim Dounin <mdounin@mdounin.ru>
parents:
4209
diff
changeset
|
1775 case '"': |
|
0a8e51a16484
Added escaping of double quotes in ngx_escape_html().
Maxim Dounin <mdounin@mdounin.ru>
parents:
4209
diff
changeset
|
1776 *dst++ = '&'; *dst++ = 'q'; *dst++ = 'u'; *dst++ = 'o'; |
|
0a8e51a16484
Added escaping of double quotes in ngx_escape_html().
Maxim Dounin <mdounin@mdounin.ru>
parents:
4209
diff
changeset
|
1777 *dst++ = 't'; *dst++ = ';'; |
|
0a8e51a16484
Added escaping of double quotes in ngx_escape_html().
Maxim Dounin <mdounin@mdounin.ru>
parents:
4209
diff
changeset
|
1778 break; |
|
0a8e51a16484
Added escaping of double quotes in ngx_escape_html().
Maxim Dounin <mdounin@mdounin.ru>
parents:
4209
diff
changeset
|
1779 |
| 1544 | 1780 default: |
| 1781 *dst++ = ch; | |
| 1782 break; | |
| 1783 } | |
| 3275 | 1784 size--; |
| 1544 | 1785 } |
| 1786 | |
| 1787 return (uintptr_t) dst; | |
| 1788 } | |
| 1789 | |
| 1790 | |
|
3641
6802ba529ec4
change ngx_http_variable_value_node_t to more generic ngx_str_node_t
Igor Sysoev <igor@sysoev.ru>
parents:
3515
diff
changeset
|
1791 void |
|
6802ba529ec4
change ngx_http_variable_value_node_t to more generic ngx_str_node_t
Igor Sysoev <igor@sysoev.ru>
parents:
3515
diff
changeset
|
1792 ngx_str_rbtree_insert_value(ngx_rbtree_node_t *temp, |
|
6802ba529ec4
change ngx_http_variable_value_node_t to more generic ngx_str_node_t
Igor Sysoev <igor@sysoev.ru>
parents:
3515
diff
changeset
|
1793 ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel) |
|
6802ba529ec4
change ngx_http_variable_value_node_t to more generic ngx_str_node_t
Igor Sysoev <igor@sysoev.ru>
parents:
3515
diff
changeset
|
1794 { |
|
6802ba529ec4
change ngx_http_variable_value_node_t to more generic ngx_str_node_t
Igor Sysoev <igor@sysoev.ru>
parents:
3515
diff
changeset
|
1795 ngx_str_node_t *n, *t; |
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1796 ngx_rbtree_node_t **p; |
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|
1797 |
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|
1798 for ( ;; ) { |
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|
1799 |
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1800 n = (ngx_str_node_t *) node; |
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1801 t = (ngx_str_node_t *) temp; |
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1802 |
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1803 if (node->key != temp->key) { |
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|
1804 |
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1805 p = (node->key < temp->key) ? &temp->left : &temp->right; |
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|
1806 |
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1807 } else if (n->str.len != t->str.len) { |
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|
1808 |
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1809 p = (n->str.len < t->str.len) ? &temp->left : &temp->right; |
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|
1810 |
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1811 } else { |
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1812 p = (ngx_memcmp(n->str.data, t->str.data, n->str.len) < 0) |
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1813 ? &temp->left : &temp->right; |
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1814 } |
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|
1815 |
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|
1816 if (*p == sentinel) { |
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|
1817 break; |
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1818 } |
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|
1819 |
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|
1820 temp = *p; |
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1821 } |
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|
1822 |
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1823 *p = node; |
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1824 node->parent = temp; |
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|
1825 node->left = sentinel; |
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1826 node->right = sentinel; |
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|
1827 ngx_rbt_red(node); |
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|
1828 } |
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|
1829 |
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|
1830 |
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|
1831 ngx_str_node_t * |
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1832 ngx_str_rbtree_lookup(ngx_rbtree_t *rbtree, ngx_str_t *val, uint32_t hash) |
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|
1833 { |
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|
1834 ngx_int_t rc; |
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|
1835 ngx_str_node_t *n; |
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|
1836 ngx_rbtree_node_t *node, *sentinel; |
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|
1837 |
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|
1838 node = rbtree->root; |
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|
1839 sentinel = rbtree->sentinel; |
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|
1840 |
|
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|
1841 while (node != sentinel) { |
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|
1842 |
|
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|
1843 n = (ngx_str_node_t *) node; |
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|
1844 |
|
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|
1845 if (hash != node->key) { |
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1846 node = (hash < node->key) ? node->left : node->right; |
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|
1847 continue; |
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|
1848 } |
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|
1849 |
|
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|
1850 if (val->len != n->str.len) { |
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|
1851 node = (val->len < n->str.len) ? node->left : node->right; |
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|
1852 continue; |
|
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|
1853 } |
|
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|
1854 |
|
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|
1855 rc = ngx_memcmp(val->data, n->str.data, val->len); |
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|
1856 |
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|
1857 if (rc < 0) { |
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|
1858 node = node->left; |
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|
1859 continue; |
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|
1860 } |
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|
1861 |
|
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|
1862 if (rc > 0) { |
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|
1863 node = node->right; |
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|
1864 continue; |
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|
1865 } |
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|
1866 |
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|
1867 return n; |
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|
1868 } |
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|
1869 |
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|
1870 return NULL; |
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1871 } |
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|
1872 |
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|
1873 |
| 1208 | 1874 /* ngx_sort() is implemented as insertion sort because we need stable sort */ |
| 1875 | |
| 1876 void | |
| 1877 ngx_sort(void *base, size_t n, size_t size, | |
|
1956
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|
1878 ngx_int_t (*cmp)(const void *, const void *)) |
| 1208 | 1879 { |
|
1955
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|
1880 u_char *p1, *p2, *p; |
|
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|
1881 |
|
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|
1882 p = ngx_alloc(size, ngx_cycle->log); |
|
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|
1883 if (p == NULL) { |
|
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|
1884 return; |
|
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|
1885 } |
| 1208 | 1886 |
| 1887 for (p1 = (u_char *) base + size; | |
| 1888 p1 < (u_char *) base + n * size; | |
| 1889 p1 += size) | |
| 1890 { | |
|
1955
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|
1891 ngx_memcpy(p, p1, size); |
| 1208 | 1892 |
| 1893 for (p2 = p1; | |
|
1955
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|
1894 p2 > (u_char *) base && cmp(p2 - size, p) > 0; |
| 1208 | 1895 p2 -= size) |
| 1896 { | |
| 1897 ngx_memcpy(p2, p2 - size, size); | |
| 1898 } | |
| 1899 | |
|
1955
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|
1900 ngx_memcpy(p2, p, size); |
| 1208 | 1901 } |
|
1955
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|
1902 |
|
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|
1903 ngx_free(p); |
| 1208 | 1904 } |
| 1905 | |
| 1906 | |
| 583 | 1907 #if (NGX_MEMCPY_LIMIT) |
| 1908 | |
| 1909 void * | |
|
4781
814541b2ec23
Added "const" to ngx_memcpy() with NGX_MEMCPY_LIMIT defined.
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diff
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|
1910 ngx_memcpy(void *dst, const void *src, size_t n) |
| 583 | 1911 { |
| 1912 if (n > NGX_MEMCPY_LIMIT) { | |
| 1913 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0, "memcpy %uz bytes", n); | |
| 1914 ngx_debug_point(); | |
| 1915 } | |
| 1916 | |
| 1917 return memcpy(dst, src, n); | |
| 1918 } | |
| 1919 | |
| 1920 #endif |