Mercurial > hg > nginx
annotate src/core/ngx_string.c @ 2668:2f9c37445ffb
ngx_strlcasestrn()
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Sat, 04 Apr 2009 17:31:54 +0000 |
| parents | 0433bc27e468 |
| children | 278f30cc7d48 |
| rev | line source |
|---|---|
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
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4 */ |
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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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10 |
| 2293 | 11 static u_char *ngx_sprintf_num(u_char *buf, u_char *last, uint64_t ui64, |
| 12 u_char zero, ngx_uint_t hexadecimal, ngx_uint_t width); | |
| 13 | |
| 14 | |
| 2135 | 15 void |
| 16 ngx_strlow(u_char *dst, u_char *src, size_t n) | |
| 17 { | |
| 18 while (n--) { | |
| 19 *dst = ngx_tolower(*src); | |
| 20 dst++; | |
| 21 src++; | |
| 22 } | |
| 23 } | |
| 24 | |
| 25 | |
| 493 | 26 u_char * |
| 27 ngx_cpystrn(u_char *dst, u_char *src, size_t n) | |
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28 { |
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29 if (n == 0) { |
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30 return dst; |
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31 } |
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32 |
| 517 | 33 for ( /* void */ ; --n; dst++, src++) { |
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34 *dst = *src; |
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35 |
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36 if (*dst == '\0') { |
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37 return dst; |
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38 } |
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39 } |
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40 |
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41 *dst = '\0'; |
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42 |
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43 return dst; |
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44 } |
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46 |
| 493 | 47 u_char * |
| 48 ngx_pstrdup(ngx_pool_t *pool, ngx_str_t *src) | |
| 485 | 49 { |
| 50 u_char *dst; | |
| 51 | |
| 2049 | 52 dst = ngx_pnalloc(pool, src->len); |
| 501 | 53 if (dst == NULL) { |
| 485 | 54 return NULL; |
| 55 } | |
| 56 | |
| 57 ngx_memcpy(dst, src->data, src->len); | |
| 58 | |
| 59 return dst; | |
| 60 } | |
| 61 | |
| 62 | |
| 455 | 63 /* |
| 64 * supported formats: | |
| 473 | 65 * %[0][width][x][X]O off_t |
| 461 | 66 * %[0][width]T time_t |
| 67 * %[0][width][u][x|X]z ssize_t/size_t | |
| 68 * %[0][width][u][x|X]d int/u_int | |
| 69 * %[0][width][u][x|X]l long | |
| 70 * %[0][width|m][u][x|X]i ngx_int_t/ngx_uint_t | |
| 71 * %[0][width][u][x|X]D int32_t/uint32_t | |
| 72 * %[0][width][u][x|X]L int64_t/uint64_t | |
| 495 | 73 * %[0][width|m][u][x|X]A ngx_atomic_int_t/ngx_atomic_uint_t |
| 2293 | 74 * %[0][width][.width]f float |
| 461 | 75 * %P ngx_pid_t |
| 557 | 76 * %M ngx_msec_t |
| 461 | 77 * %r rlim_t |
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78 * %p void * |
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79 * %V ngx_str_t * |
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80 * %v ngx_variable_value_t * |
| 461 | 81 * %s null-terminated string |
| 1773 | 82 * %*s length and string |
| 461 | 83 * %Z '\0' |
| 525 | 84 * %N '\n' |
| 461 | 85 * %c char |
| 86 * %% % | |
| 455 | 87 * |
| 461 | 88 * reserved: |
| 89 * %t ptrdiff_t | |
| 90 * %S null-teminated wchar string | |
| 91 * %C wchar | |
| 455 | 92 */ |
| 93 | |
| 461 | 94 |
| 503 | 95 u_char * ngx_cdecl |
| 493 | 96 ngx_sprintf(u_char *buf, const char *fmt, ...) |
| 461 | 97 { |
| 98 u_char *p; | |
| 99 va_list args; | |
| 100 | |
| 101 va_start(args, fmt); | |
| 102 p = ngx_vsnprintf(buf, /* STUB */ 65536, fmt, args); | |
| 103 va_end(args); | |
| 104 | |
| 105 return p; | |
| 106 } | |
| 107 | |
| 108 | |
| 503 | 109 u_char * ngx_cdecl |
| 493 | 110 ngx_snprintf(u_char *buf, size_t max, const char *fmt, ...) |
| 455 | 111 { |
| 461 | 112 u_char *p; |
| 113 va_list args; | |
| 114 | |
| 115 va_start(args, fmt); | |
| 116 p = ngx_vsnprintf(buf, max, fmt, args); | |
| 117 va_end(args); | |
| 118 | |
| 119 return p; | |
| 120 } | |
| 121 | |
| 455 | 122 |
| 493 | 123 u_char * |
| 124 ngx_vsnprintf(u_char *buf, size_t max, const char *fmt, va_list args) | |
| 461 | 125 { |
| 2293 | 126 u_char *p, zero, *last; |
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127 int d; |
| 2293 | 128 float f, scale; |
| 1773 | 129 size_t len, slen; |
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130 int64_t i64; |
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131 uint64_t ui64; |
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132 ngx_msec_t ms; |
| 2293 | 133 ngx_uint_t width, sign, hex, max_width, frac_width, i; |
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134 ngx_str_t *v; |
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135 ngx_variable_value_t *vv; |
| 455 | 136 |
| 461 | 137 if (max == 0) { |
| 138 return buf; | |
| 139 } | |
| 140 | |
| 141 last = buf + max; | |
| 142 | |
| 143 while (*fmt && buf < last) { | |
| 144 | |
| 145 /* | |
| 146 * "buf < last" means that we could copy at least one character: | |
| 147 * the plain character, "%%", "%c", and minus without the checking | |
| 148 */ | |
| 149 | |
| 455 | 150 if (*fmt == '%') { |
| 151 | |
| 461 | 152 i64 = 0; |
| 153 ui64 = 0; | |
| 154 | |
| 155 zero = (u_char) ((*++fmt == '0') ? '0' : ' '); | |
| 455 | 156 width = 0; |
| 157 sign = 1; | |
| 2293 | 158 hex = 0; |
| 493 | 159 max_width = 0; |
| 2293 | 160 frac_width = 0; |
| 1863 | 161 slen = (size_t) -1; |
| 455 | 162 |
| 163 while (*fmt >= '0' && *fmt <= '9') { | |
| 164 width = width * 10 + *fmt++ - '0'; | |
| 165 } | |
| 166 | |
| 167 | |
| 168 for ( ;; ) { | |
| 169 switch (*fmt) { | |
| 170 | |
| 171 case 'u': | |
| 172 sign = 0; | |
| 173 fmt++; | |
| 174 continue; | |
| 175 | |
| 467 | 176 case 'm': |
| 493 | 177 max_width = 1; |
| 467 | 178 fmt++; |
| 179 continue; | |
| 180 | |
| 461 | 181 case 'X': |
| 2293 | 182 hex = 2; |
| 461 | 183 sign = 0; |
| 184 fmt++; | |
| 185 continue; | |
| 186 | |
| 455 | 187 case 'x': |
| 2293 | 188 hex = 1; |
| 461 | 189 sign = 0; |
| 455 | 190 fmt++; |
| 191 continue; | |
| 192 | |
| 2293 | 193 case '.': |
| 194 fmt++; | |
| 195 | |
| 196 while (*fmt >= '0' && *fmt <= '9') { | |
| 197 frac_width = frac_width * 10 + *fmt++ - '0'; | |
| 198 } | |
| 199 | |
| 200 break; | |
| 201 | |
| 1773 | 202 case '*': |
| 1866 | 203 slen = va_arg(args, size_t); |
| 1773 | 204 fmt++; |
| 205 continue; | |
| 206 | |
| 455 | 207 default: |
| 208 break; | |
| 209 } | |
| 210 | |
| 211 break; | |
| 212 } | |
| 213 | |
| 214 | |
| 215 switch (*fmt) { | |
| 216 | |
| 461 | 217 case 'V': |
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218 v = va_arg(args, ngx_str_t *); |
| 455 | 219 |
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220 len = v->len; |
| 573 | 221 len = (buf + len < last) ? len : (size_t) (last - buf); |
| 222 | |
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223 buf = ngx_cpymem(buf, v->data, len); |
| 461 | 224 fmt++; |
| 455 | 225 |
| 461 | 226 continue; |
| 455 | 227 |
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228 case 'v': |
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229 vv = va_arg(args, ngx_variable_value_t *); |
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230 |
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231 len = vv->len; |
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232 len = (buf + len < last) ? len : (size_t) (last - buf); |
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233 |
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234 buf = ngx_cpymem(buf, vv->data, len); |
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235 fmt++; |
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236 |
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237 continue; |
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238 |
| 455 | 239 case 's': |
| 461 | 240 p = va_arg(args, u_char *); |
| 455 | 241 |
| 1863 | 242 if (slen == (size_t) -1) { |
| 1773 | 243 while (*p && buf < last) { |
| 244 *buf++ = *p++; | |
| 245 } | |
| 246 | |
| 247 } else { | |
| 1867 | 248 len = (buf + slen < last) ? slen : (size_t) (last - buf); |
| 249 | |
| 250 buf = ngx_cpymem(buf, p, len); | |
| 455 | 251 } |
| 1773 | 252 |
| 455 | 253 fmt++; |
| 254 | |
| 255 continue; | |
| 256 | |
| 461 | 257 case 'O': |
| 258 i64 = (int64_t) va_arg(args, off_t); | |
| 259 sign = 1; | |
| 260 break; | |
| 261 | |
| 262 case 'P': | |
| 263 i64 = (int64_t) va_arg(args, ngx_pid_t); | |
| 264 sign = 1; | |
| 265 break; | |
| 266 | |
| 267 case 'T': | |
| 268 i64 = (int64_t) va_arg(args, time_t); | |
| 269 sign = 1; | |
| 270 break; | |
| 271 | |
| 557 | 272 case 'M': |
| 561 | 273 ms = (ngx_msec_t) va_arg(args, ngx_msec_t); |
| 274 if ((ngx_msec_int_t) ms == -1) { | |
| 275 sign = 1; | |
| 276 i64 = -1; | |
| 277 } else { | |
| 278 sign = 0; | |
| 279 ui64 = (uint64_t) ms; | |
| 280 } | |
| 557 | 281 break; |
| 282 | |
| 461 | 283 case 'z': |
| 284 if (sign) { | |
| 285 i64 = (int64_t) va_arg(args, ssize_t); | |
| 286 } else { | |
| 287 ui64 = (uint64_t) va_arg(args, size_t); | |
| 288 } | |
| 289 break; | |
| 290 | |
| 291 case 'i': | |
| 292 if (sign) { | |
| 293 i64 = (int64_t) va_arg(args, ngx_int_t); | |
| 294 } else { | |
| 295 ui64 = (uint64_t) va_arg(args, ngx_uint_t); | |
| 296 } | |
| 493 | 297 |
| 298 if (max_width) { | |
| 299 width = NGX_INT_T_LEN; | |
| 300 } | |
| 301 | |
| 461 | 302 break; |
| 303 | |
| 304 case 'd': | |
| 305 if (sign) { | |
| 306 i64 = (int64_t) va_arg(args, int); | |
| 307 } else { | |
| 308 ui64 = (uint64_t) va_arg(args, u_int); | |
| 309 } | |
| 310 break; | |
| 311 | |
| 312 case 'l': | |
| 313 if (sign) { | |
| 314 i64 = (int64_t) va_arg(args, long); | |
| 315 } else { | |
| 316 ui64 = (uint64_t) va_arg(args, u_long); | |
| 317 } | |
| 318 break; | |
| 319 | |
| 320 case 'D': | |
| 321 if (sign) { | |
| 322 i64 = (int64_t) va_arg(args, int32_t); | |
| 323 } else { | |
| 324 ui64 = (uint64_t) va_arg(args, uint32_t); | |
| 325 } | |
| 326 break; | |
| 327 | |
| 328 case 'L': | |
| 329 if (sign) { | |
| 330 i64 = va_arg(args, int64_t); | |
| 331 } else { | |
| 332 ui64 = va_arg(args, uint64_t); | |
| 333 } | |
| 334 break; | |
| 335 | |
| 493 | 336 case 'A': |
| 337 if (sign) { | |
| 338 i64 = (int64_t) va_arg(args, ngx_atomic_int_t); | |
| 339 } else { | |
| 495 | 340 ui64 = (uint64_t) va_arg(args, ngx_atomic_uint_t); |
| 493 | 341 } |
| 342 | |
| 343 if (max_width) { | |
| 344 width = NGX_ATOMIC_T_LEN; | |
| 345 } | |
| 346 | |
| 347 break; | |
| 348 | |
| 2293 | 349 case 'f': |
| 350 f = (float) va_arg(args, double); | |
| 351 | |
| 352 if (f < 0) { | |
| 353 *buf++ = '-'; | |
| 354 f = -f; | |
| 355 } | |
| 356 | |
| 357 ui64 = (int64_t) f; | |
| 358 | |
| 359 buf = ngx_sprintf_num(buf, last, ui64, zero, 0, width); | |
| 360 | |
| 361 if (frac_width) { | |
| 362 | |
| 363 if (buf < last) { | |
| 364 *buf++ = '.'; | |
| 365 } | |
| 366 | |
| 367 scale = 1.0; | |
| 368 | |
| 369 for (i = 0; i < frac_width; i++) { | |
| 370 scale *= 10.0; | |
| 371 } | |
| 372 | |
| 373 /* | |
| 374 * (int64_t) cast is required for msvc6: | |
| 375 * it can not convert uint64_t to double | |
| 376 */ | |
| 377 ui64 = (uint64_t) ((f - (int64_t) ui64) * scale); | |
| 378 | |
| 379 buf = ngx_sprintf_num(buf, last, ui64, '0', 0, frac_width); | |
| 380 } | |
| 381 | |
| 382 fmt++; | |
| 383 | |
| 384 continue; | |
| 385 | |
| 461 | 386 #if !(NGX_WIN32) |
| 387 case 'r': | |
| 388 i64 = (int64_t) va_arg(args, rlim_t); | |
| 389 sign = 1; | |
| 390 break; | |
| 391 #endif | |
| 392 | |
| 393 case 'p': | |
| 394 ui64 = (uintptr_t) va_arg(args, void *); | |
| 2293 | 395 hex = 2; |
| 461 | 396 sign = 0; |
| 397 zero = '0'; | |
| 613 | 398 width = NGX_PTR_SIZE * 2; |
| 461 | 399 break; |
| 400 | |
| 457 | 401 case 'c': |
| 461 | 402 d = va_arg(args, int); |
| 457 | 403 *buf++ = (u_char) (d & 0xff); |
| 404 fmt++; | |
| 405 | |
| 406 continue; | |
| 407 | |
| 461 | 408 case 'Z': |
| 409 *buf++ = '\0'; | |
| 410 fmt++; | |
| 411 | |
| 412 continue; | |
| 413 | |
| 525 | 414 case 'N': |
| 415 #if (NGX_WIN32) | |
| 416 *buf++ = CR; | |
| 417 #endif | |
| 418 *buf++ = LF; | |
| 419 fmt++; | |
| 420 | |
| 421 continue; | |
| 422 | |
| 455 | 423 case '%': |
| 424 *buf++ = '%'; | |
| 425 fmt++; | |
| 426 | |
| 427 continue; | |
| 428 | |
| 429 default: | |
| 430 *buf++ = *fmt++; | |
| 431 | |
| 432 continue; | |
| 433 } | |
| 434 | |
| 461 | 435 if (sign) { |
| 436 if (i64 < 0) { | |
| 437 *buf++ = '-'; | |
| 438 ui64 = (uint64_t) -i64; | |
| 439 | |
| 440 } else { | |
| 441 ui64 = (uint64_t) i64; | |
| 442 } | |
| 443 } | |
| 444 | |
| 2293 | 445 buf = ngx_sprintf_num(buf, last, ui64, zero, hex, width); |
| 455 | 446 |
| 447 fmt++; | |
| 448 | |
| 449 } else { | |
| 450 *buf++ = *fmt++; | |
| 451 } | |
| 452 } | |
| 453 | |
| 454 return buf; | |
| 455 } | |
| 456 | |
| 457 | |
| 2293 | 458 static u_char * |
| 459 ngx_sprintf_num(u_char *buf, u_char *last, uint64_t ui64, u_char zero, | |
| 460 ngx_uint_t hexadecimal, ngx_uint_t width) | |
| 461 { | |
| 462 u_char *p, temp[NGX_INT64_LEN + 1]; | |
| 463 /* | |
| 464 * we need temp[NGX_INT64_LEN] only, | |
| 465 * but icc issues the warning | |
| 466 */ | |
| 467 size_t len; | |
| 468 uint32_t ui32; | |
| 469 static u_char hex[] = "0123456789abcdef"; | |
| 470 static u_char HEX[] = "0123456789ABCDEF"; | |
| 471 | |
| 472 p = temp + NGX_INT64_LEN; | |
| 473 | |
| 474 if (hexadecimal == 0) { | |
| 475 | |
| 476 if (ui64 <= NGX_MAX_UINT32_VALUE) { | |
| 477 | |
| 478 /* | |
| 479 * To divide 64-bit numbers and to find remainders | |
| 480 * on the x86 platform gcc and icc call the libc functions | |
| 481 * [u]divdi3() and [u]moddi3(), they call another function | |
| 482 * in its turn. On FreeBSD it is the qdivrem() function, | |
| 483 * its source code is about 170 lines of the code. | |
| 484 * The glibc counterpart is about 150 lines of the code. | |
| 485 * | |
| 486 * For 32-bit numbers and some divisors gcc and icc use | |
| 487 * a inlined multiplication and shifts. For example, | |
| 488 * unsigned "i32 / 10" is compiled to | |
| 489 * | |
| 490 * (i32 * 0xCCCCCCCD) >> 35 | |
| 491 */ | |
| 492 | |
| 493 ui32 = (uint32_t) ui64; | |
| 494 | |
| 495 do { | |
| 496 *--p = (u_char) (ui32 % 10 + '0'); | |
| 497 } while (ui32 /= 10); | |
| 498 | |
| 499 } else { | |
| 500 do { | |
| 501 *--p = (u_char) (ui64 % 10 + '0'); | |
| 502 } while (ui64 /= 10); | |
| 503 } | |
| 504 | |
| 505 } else if (hexadecimal == 1) { | |
| 506 | |
| 507 do { | |
| 508 | |
| 509 /* the "(uint32_t)" cast disables the BCC's warning */ | |
| 510 *--p = hex[(uint32_t) (ui64 & 0xf)]; | |
| 511 | |
| 512 } while (ui64 >>= 4); | |
| 513 | |
| 514 } else { /* hexadecimal == 2 */ | |
| 515 | |
| 516 do { | |
| 517 | |
| 518 /* the "(uint32_t)" cast disables the BCC's warning */ | |
| 519 *--p = HEX[(uint32_t) (ui64 & 0xf)]; | |
| 520 | |
| 521 } while (ui64 >>= 4); | |
| 522 } | |
| 523 | |
| 524 /* zero or space padding */ | |
| 525 | |
| 526 len = (temp + NGX_INT64_LEN) - p; | |
| 527 | |
| 528 while (len++ < width && buf < last) { | |
| 529 *buf++ = zero; | |
| 530 } | |
| 531 | |
| 532 /* number safe copy */ | |
| 533 | |
| 534 len = (temp + NGX_INT64_LEN) - p; | |
| 535 | |
| 536 if (buf + len > last) { | |
| 537 len = last - buf; | |
| 538 } | |
| 539 | |
| 540 return ngx_cpymem(buf, p, len); | |
| 541 } | |
| 542 | |
| 543 | |
|
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544 /* |
| 1541 | 545 * We use ngx_strcasecmp()/ngx_strncasecmp() for 7-bit ASCII strings only, |
|
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546 * and implement our own ngx_strcasecmp()/ngx_strncasecmp() |
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547 * to avoid libc locale overhead. Besides, we use the ngx_uint_t's |
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548 * instead of the u_char's, because they are slightly faster. |
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549 */ |
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550 |
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551 ngx_int_t |
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552 ngx_strcasecmp(u_char *s1, u_char *s2) |
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553 { |
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554 ngx_uint_t c1, c2; |
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555 |
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556 for ( ;; ) { |
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557 c1 = (ngx_uint_t) *s1++; |
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558 c2 = (ngx_uint_t) *s2++; |
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559 |
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560 c1 = (c1 >= 'A' && c1 <= 'Z') ? (c1 | 0x20) : c1; |
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561 c2 = (c2 >= 'A' && c2 <= 'Z') ? (c2 | 0x20) : c2; |
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562 |
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563 if (c1 == c2) { |
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564 |
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565 if (c1) { |
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566 continue; |
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567 } |
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568 |
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569 return 0; |
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570 } |
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571 |
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572 return c1 - c2; |
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573 } |
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574 } |
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575 |
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576 |
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577 ngx_int_t |
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578 ngx_strncasecmp(u_char *s1, u_char *s2, size_t n) |
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579 { |
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580 ngx_uint_t c1, c2; |
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581 |
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582 while (n) { |
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583 c1 = (ngx_uint_t) *s1++; |
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584 c2 = (ngx_uint_t) *s2++; |
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585 |
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586 c1 = (c1 >= 'A' && c1 <= 'Z') ? (c1 | 0x20) : c1; |
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587 c2 = (c2 >= 'A' && c2 <= 'Z') ? (c2 | 0x20) : c2; |
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588 |
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589 if (c1 == c2) { |
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590 |
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591 if (c1) { |
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592 n--; |
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593 continue; |
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594 } |
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|
595 |
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596 return 0; |
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597 } |
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598 |
|
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599 return c1 - c2; |
|
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600 } |
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601 |
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602 return 0; |
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603 } |
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|
604 |
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|
605 |
| 1552 | 606 u_char * |
| 607 ngx_strnstr(u_char *s1, char *s2, size_t len) | |
| 608 { | |
| 609 u_char c1, c2; | |
| 610 size_t n; | |
| 611 | |
| 612 c2 = *(u_char *) s2++; | |
| 613 | |
| 614 n = ngx_strlen(s2); | |
| 615 | |
| 616 do { | |
| 617 do { | |
| 618 if (len-- == 0) { | |
| 619 return NULL; | |
| 620 } | |
| 621 | |
| 622 c1 = *s1++; | |
| 623 | |
| 624 if (c1 == 0) { | |
| 625 return NULL; | |
| 626 } | |
| 627 | |
| 628 } while (c1 != c2); | |
| 629 | |
| 630 if (n > len) { | |
| 631 return NULL; | |
| 632 } | |
| 633 | |
| 634 } while (ngx_strncmp(s1, (u_char *) s2, n) != 0); | |
| 635 | |
| 636 return --s1; | |
| 637 } | |
| 638 | |
| 639 | |
| 1550 | 640 /* |
| 641 * ngx_strstrn() and ngx_strcasestrn() are intended to search for static | |
| 642 * substring with known length in null-terminated string. The argument n | |
| 643 * must be length of the second substring - 1. | |
| 644 */ | |
| 645 | |
|
1542
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646 u_char * |
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647 ngx_strstrn(u_char *s1, char *s2, size_t n) |
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648 { |
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649 u_char c1, c2; |
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650 |
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651 c2 = *(u_char *) s2++; |
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652 |
|
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653 do { |
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654 do { |
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655 c1 = *s1++; |
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|
656 |
|
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657 if (c1 == 0) { |
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|
658 return NULL; |
|
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659 } |
|
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|
660 |
|
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Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
661 } while (c1 != c2); |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
662 |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
663 } while (ngx_strncmp(s1, (u_char *) s2, n) != 0); |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
664 |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
665 return --s1; |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
666 } |
|
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 |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
669 u_char * |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
670 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
|
671 { |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
672 ngx_uint_t c1, c2; |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
673 |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
674 c2 = (ngx_uint_t) *s2++; |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
675 c2 = (c2 >= 'A' && c2 <= 'Z') ? (c2 | 0x20) : c2; |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
676 |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
677 do { |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
678 do { |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
679 c1 = (ngx_uint_t) *s1++; |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
680 |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
681 if (c1 == 0) { |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
682 return NULL; |
|
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 |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
685 c1 = (c1 >= 'A' && c1 <= 'Z') ? (c1 | 0x20) : c1; |
|
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 } while (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 } while (ngx_strncasecmp(s1, (u_char *) s2, n) != 0); |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
690 |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
691 return --s1; |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
692 } |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
693 |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
694 |
| 2668 | 695 /* |
| 696 * ngx_strlcasestrn() is intended to search for static substring | |
| 697 * with known length in string until the argument last. The argument n | |
| 698 * must be length of the second substring - 1. | |
| 699 */ | |
| 700 | |
| 701 u_char * | |
| 702 ngx_strlcasestrn(u_char *s1, u_char *last, u_char *s2, size_t n) | |
| 703 { | |
| 704 ngx_uint_t c1, c2; | |
| 705 | |
| 706 c2 = (ngx_uint_t) *s2++; | |
| 707 c2 = (c2 >= 'A' && c2 <= 'Z') ? (c2 | 0x20) : c2; | |
| 708 last -= n; | |
| 709 | |
| 710 do { | |
| 711 do { | |
| 712 if (s1 == last) { | |
| 713 return NULL; | |
| 714 } | |
| 715 | |
| 716 c1 = (ngx_uint_t) *s1++; | |
| 717 | |
| 718 c1 = (c1 >= 'A' && c1 <= 'Z') ? (c1 | 0x20) : c1; | |
| 719 | |
| 720 } while (c1 != c2); | |
| 721 | |
| 722 } while (ngx_strncasecmp(s1, s2, n) != 0); | |
| 723 | |
| 724 return --s1; | |
| 725 } | |
| 726 | |
| 727 | |
| 493 | 728 ngx_int_t |
| 729 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
|
730 { |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
731 if (n == 0) { |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
732 return 0; |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
733 } |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
734 |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
735 n--; |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
736 |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
737 for ( ;; ) { |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
738 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
|
739 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
|
740 } |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
741 |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
742 if (n == 0) { |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
743 return 0; |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
744 } |
|
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 n--; |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
747 } |
|
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 |
| 493 | 751 ngx_int_t |
| 752 ngx_rstrncasecmp(u_char *s1, u_char *s2, size_t n) | |
| 455 | 753 { |
| 754 u_char c1, c2; | |
| 755 | |
| 756 if (n == 0) { | |
| 757 return 0; | |
| 758 } | |
| 759 | |
| 760 n--; | |
| 761 | |
| 762 for ( ;; ) { | |
| 763 c1 = s1[n]; | |
| 764 if (c1 >= 'a' && c1 <= 'z') { | |
| 765 c1 -= 'a' - 'A'; | |
| 766 } | |
| 767 | |
| 768 c2 = s2[n]; | |
| 769 if (c2 >= 'a' && c2 <= 'z') { | |
| 770 c2 -= 'a' - 'A'; | |
| 771 } | |
| 772 | |
| 773 if (c1 != c2) { | |
| 774 return c1 - c2; | |
| 775 } | |
| 776 | |
| 777 if (n == 0) { | |
| 778 return 0; | |
| 779 } | |
| 780 | |
| 781 n--; | |
| 782 } | |
| 783 } | |
| 784 | |
| 785 | |
| 493 | 786 ngx_int_t |
|
1029
ce08bc4cb97b
ngx_strn2cmp() > ngx_memn2cmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1024
diff
changeset
|
787 ngx_memn2cmp(u_char *s1, u_char *s2, size_t n1, size_t n2) |
| 1024 | 788 { |
| 789 size_t n; | |
| 790 ngx_int_t m, z; | |
| 791 | |
| 792 if (n1 <= n2) { | |
| 793 n = n1; | |
| 794 z = -1; | |
| 795 | |
| 796 } else { | |
| 797 n = n2; | |
| 798 z = 1; | |
| 799 } | |
| 800 | |
|
1029
ce08bc4cb97b
ngx_strn2cmp() > ngx_memn2cmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1024
diff
changeset
|
801 m = ngx_memcmp(s1, s2, n); |
| 1024 | 802 |
| 803 if (m || n1 == n2) { | |
| 804 return m; | |
| 805 } | |
| 806 | |
| 807 return z; | |
| 808 } | |
| 809 | |
| 810 | |
| 811 ngx_int_t | |
| 493 | 812 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
|
813 { |
|
290
87e73f067470
nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
176
diff
changeset
|
814 ngx_int_t value; |
|
69
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
815 |
|
84
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
816 if (n == 0) { |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
817 return NGX_ERROR; |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
818 } |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
819 |
|
69
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
820 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
|
821 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
|
822 return NGX_ERROR; |
|
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
823 } |
|
69
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
824 |
|
83
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
825 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
|
826 } |
|
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
827 |
|
83
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
828 if (value < 0) { |
|
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
829 return NGX_ERROR; |
|
338
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
830 |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
831 } else { |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
832 return value; |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
833 } |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
834 } |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
835 |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
836 |
| 501 | 837 ssize_t |
| 838 ngx_atosz(u_char *line, size_t n) | |
| 839 { | |
| 840 ssize_t value; | |
| 841 | |
| 842 if (n == 0) { | |
| 843 return NGX_ERROR; | |
| 844 } | |
| 845 | |
| 846 for (value = 0; n--; line++) { | |
| 847 if (*line < '0' || *line > '9') { | |
| 848 return NGX_ERROR; | |
| 849 } | |
| 850 | |
| 851 value = value * 10 + (*line - '0'); | |
| 852 } | |
| 853 | |
| 854 if (value < 0) { | |
| 855 return NGX_ERROR; | |
| 856 | |
| 857 } else { | |
| 858 return value; | |
| 859 } | |
| 860 } | |
| 861 | |
| 862 | |
| 863 off_t | |
| 864 ngx_atoof(u_char *line, size_t n) | |
| 865 { | |
| 866 off_t value; | |
| 867 | |
| 868 if (n == 0) { | |
| 869 return NGX_ERROR; | |
| 870 } | |
| 871 | |
| 872 for (value = 0; n--; line++) { | |
| 873 if (*line < '0' || *line > '9') { | |
| 874 return NGX_ERROR; | |
| 875 } | |
| 876 | |
| 877 value = value * 10 + (*line - '0'); | |
| 878 } | |
| 879 | |
| 880 if (value < 0) { | |
| 881 return NGX_ERROR; | |
| 882 | |
| 883 } else { | |
| 884 return value; | |
| 885 } | |
| 886 } | |
| 887 | |
| 888 | |
| 889 time_t | |
| 890 ngx_atotm(u_char *line, size_t n) | |
| 891 { | |
| 892 time_t value; | |
| 893 | |
| 894 if (n == 0) { | |
| 895 return NGX_ERROR; | |
| 896 } | |
| 897 | |
| 898 for (value = 0; n--; line++) { | |
| 899 if (*line < '0' || *line > '9') { | |
| 900 return NGX_ERROR; | |
| 901 } | |
| 902 | |
| 903 value = value * 10 + (*line - '0'); | |
| 904 } | |
| 905 | |
| 906 if (value < 0) { | |
| 907 return NGX_ERROR; | |
| 908 | |
| 909 } else { | |
| 910 return value; | |
| 911 } | |
| 912 } | |
| 913 | |
| 914 | |
| 493 | 915 ngx_int_t |
| 916 ngx_hextoi(u_char *line, size_t n) | |
|
338
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
917 { |
| 783 | 918 u_char c, ch; |
|
338
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
919 ngx_int_t value; |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
920 |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
921 if (n == 0) { |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
922 return NGX_ERROR; |
|
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 |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
925 for (value = 0; n--; line++) { |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
926 ch = *line; |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
927 |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
928 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
|
929 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
|
930 continue; |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
931 } |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
932 |
| 783 | 933 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
|
934 |
| 783 | 935 if (c >= 'a' && c <= 'f') { |
| 936 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
|
937 continue; |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
938 } |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
939 |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
940 return NGX_ERROR; |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
941 } |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
942 |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
943 if (value < 0) { |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
944 return NGX_ERROR; |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
945 |
|
83
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
946 } else { |
|
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
947 return value; |
|
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
948 } |
|
69
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
949 } |
|
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
950 |
|
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
951 |
|
1745
ec63069aeb78
replace ngx_md5_text() with ngx_hex_dump()
Igor Sysoev <igor@sysoev.ru>
parents:
1629
diff
changeset
|
952 u_char * |
|
ec63069aeb78
replace ngx_md5_text() with ngx_hex_dump()
Igor Sysoev <igor@sysoev.ru>
parents:
1629
diff
changeset
|
953 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
|
954 { |
|
290
87e73f067470
nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
176
diff
changeset
|
955 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
|
956 |
|
1745
ec63069aeb78
replace ngx_md5_text() with ngx_hex_dump()
Igor Sysoev <igor@sysoev.ru>
parents:
1629
diff
changeset
|
957 while (len--) { |
|
ec63069aeb78
replace ngx_md5_text() with ngx_hex_dump()
Igor Sysoev <igor@sysoev.ru>
parents:
1629
diff
changeset
|
958 *dst++ = hex[*src >> 4]; |
|
ec63069aeb78
replace ngx_md5_text() with ngx_hex_dump()
Igor Sysoev <igor@sysoev.ru>
parents:
1629
diff
changeset
|
959 *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
|
960 } |
|
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
961 |
|
1745
ec63069aeb78
replace ngx_md5_text() with ngx_hex_dump()
Igor Sysoev <igor@sysoev.ru>
parents:
1629
diff
changeset
|
962 return dst; |
|
174
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
100
diff
changeset
|
963 } |
|
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
100
diff
changeset
|
964 |
|
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
100
diff
changeset
|
965 |
| 493 | 966 void |
| 967 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
|
968 { |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
969 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
|
970 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
|
971 static u_char basis64[] = |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
972 "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
973 |
|
409
8ac40cae79f0
nginx-0.0.10-2004-08-29-07:55:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
408
diff
changeset
|
974 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
|
975 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
|
976 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
|
977 |
|
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
978 while (len > 2) { |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
979 *d++ = basis64[(s[0] >> 2) & 0x3f]; |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
980 *d++ = basis64[((s[0] & 3) << 4) | (s[1] >> 4)]; |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
981 *d++ = basis64[((s[1] & 0x0f) << 2) | (s[2] >> 6)]; |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
982 *d++ = basis64[s[2] & 0x3f]; |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
983 |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
984 s += 3; |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
985 len -= 3; |
|
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
986 } |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
987 |
|
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
988 if (len) { |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
989 *d++ = basis64[(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
|
990 |
|
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
991 if (len == 1) { |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
992 *d++ = basis64[(s[0] & 3) << 4]; |
|
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
993 *d++ = '='; |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
994 |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
995 } else { |
|
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
996 *d++ = basis64[((s[0] & 3) << 4) | (s[1] >> 4)]; |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
997 *d++ = basis64[(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
|
998 } |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
999 |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1000 *d++ = '='; |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1001 } |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1002 |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1003 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
|
1004 } |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1005 |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1006 |
| 493 | 1007 ngx_int_t |
| 1008 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
|
1009 { |
|
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1010 size_t len; |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1011 u_char *d, *s; |
| 827 | 1012 static u_char basis64[] = { |
| 1013 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, | |
| 1014 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, | |
| 1015 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 62, 77, 77, 77, 63, | |
| 1016 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 77, 77, 77, 77, 77, 77, | |
| 1017 77, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, | |
| 1018 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 77, 77, 77, 77, 77, | |
| 1019 77, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, | |
| 1020 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
|
1021 |
| 827 | 1022 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, |
| 1023 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, | |
| 1024 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, | |
| 1025 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, | |
| 1026 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, | |
| 1027 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, | |
| 1028 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, | |
| 1029 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77 | |
| 1030 }; | |
|
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1031 |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1032 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
|
1033 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
|
1034 break; |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1035 } |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1036 |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1037 if (basis64[src->data[len]] == 77) { |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1038 return NGX_ERROR; |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1039 } |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1040 } |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1041 |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1042 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
|
1043 return NGX_ERROR; |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1044 } |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1045 |
|
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1046 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
|
1047 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
|
1048 |
|
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1049 while (len > 3) { |
|
409
8ac40cae79f0
nginx-0.0.10-2004-08-29-07:55:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
408
diff
changeset
|
1050 *d++ = (u_char) (basis64[s[0]] << 2 | basis64[s[1]] >> 4); |
|
8ac40cae79f0
nginx-0.0.10-2004-08-29-07:55:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
408
diff
changeset
|
1051 *d++ = (u_char) (basis64[s[1]] << 4 | basis64[s[2]] >> 2); |
|
8ac40cae79f0
nginx-0.0.10-2004-08-29-07:55:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
408
diff
changeset
|
1052 *d++ = (u_char) (basis64[s[2]] << 6 | basis64[s[3]]); |
|
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1053 |
|
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1054 s += 4; |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1055 len -= 4; |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1056 } |
|
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1057 |
|
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1058 if (len > 1) { |
|
409
8ac40cae79f0
nginx-0.0.10-2004-08-29-07:55:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
408
diff
changeset
|
1059 *d++ = (u_char) (basis64[s[0]] << 2 | basis64[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
|
1060 } |
|
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1061 |
|
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1062 if (len > 2) { |
|
409
8ac40cae79f0
nginx-0.0.10-2004-08-29-07:55:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
408
diff
changeset
|
1063 *d++ = (u_char) (basis64[s[1]] << 4 | basis64[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
|
1064 } |
|
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1065 |
|
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1066 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
|
1067 |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1068 return NGX_OK; |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1069 } |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1070 |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1071 |
| 657 | 1072 /* |
|
2125
8e4b9d2acde8
rename ngx_utf_...() to ngx_utf8_...()
Igor Sysoev <igor@sysoev.ru>
parents:
2120
diff
changeset
|
1073 * ngx_utf8_decode() decodes two and more bytes UTF sequences only |
| 657 | 1074 * the return values: |
| 1075 * 0x80 - 0x10ffff valid character | |
| 2120 | 1076 * 0x110000 - 0xfffffffd invalid sequence |
| 657 | 1077 * 0xfffffffe incomplete sequence |
| 1078 * 0xffffffff error | |
| 1079 */ | |
| 1080 | |
| 1081 uint32_t | |
|
2125
8e4b9d2acde8
rename ngx_utf_...() to ngx_utf8_...()
Igor Sysoev <igor@sysoev.ru>
parents:
2120
diff
changeset
|
1082 ngx_utf8_decode(u_char **p, size_t n) |
| 657 | 1083 { |
| 1084 size_t len; | |
| 1085 uint32_t u, i, valid; | |
| 1086 | |
| 1087 u = **p; | |
| 1088 | |
| 1089 if (u > 0xf0) { | |
| 1090 | |
| 1091 u &= 0x07; | |
| 1092 valid = 0xffff; | |
| 1093 len = 3; | |
| 1094 | |
| 1095 } else if (u > 0xe0) { | |
| 1096 | |
| 1097 u &= 0x0f; | |
| 1098 valid = 0x7ff; | |
| 1099 len = 2; | |
| 1100 | |
| 1101 } else if (u > 0xc0) { | |
| 1102 | |
| 1103 u &= 0x1f; | |
| 1104 valid = 0x7f; | |
| 1105 len = 1; | |
| 1106 | |
| 1107 } else { | |
| 1108 (*p)++; | |
| 1109 return 0xffffffff; | |
| 1110 } | |
| 1111 | |
| 1112 if (n - 1 < len) { | |
| 1113 return 0xfffffffe; | |
| 1114 } | |
| 1115 | |
| 1116 (*p)++; | |
| 1117 | |
| 1118 while (len) { | |
| 1119 i = *(*p)++; | |
| 1120 | |
| 1121 if (i < 0x80) { | |
| 1122 return 0xffffffff; | |
| 1123 } | |
| 1124 | |
| 1125 u = (u << 6) | (i & 0x3f); | |
| 1126 | |
| 1127 len--; | |
| 1128 } | |
| 1129 | |
| 1130 if (u > valid) { | |
| 1131 return u; | |
| 1132 } | |
| 1133 | |
| 1134 return 0xffffffff; | |
| 1135 } | |
| 1136 | |
| 1137 | |
| 523 | 1138 size_t |
|
2125
8e4b9d2acde8
rename ngx_utf_...() to ngx_utf8_...()
Igor Sysoev <igor@sysoev.ru>
parents:
2120
diff
changeset
|
1139 ngx_utf8_length(u_char *p, size_t n) |
| 523 | 1140 { |
| 2120 | 1141 u_char c, *last; |
| 1142 size_t len; | |
| 523 | 1143 |
| 2120 | 1144 last = p + n; |
| 523 | 1145 |
| 2120 | 1146 for (len = 0; p < last; len++) { |
| 1147 | |
| 1148 c = *p; | |
| 523 | 1149 |
| 1150 if (c < 0x80) { | |
| 2120 | 1151 p++; |
| 523 | 1152 continue; |
| 1153 } | |
| 1154 | |
|
2125
8e4b9d2acde8
rename ngx_utf_...() to ngx_utf8_...()
Igor Sysoev <igor@sysoev.ru>
parents:
2120
diff
changeset
|
1155 if (ngx_utf8_decode(&p, n) > 0x10ffff) { |
|
8e4b9d2acde8
rename ngx_utf_...() to ngx_utf8_...()
Igor Sysoev <igor@sysoev.ru>
parents:
2120
diff
changeset
|
1156 /* invalid UTF-8 */ |
| 2120 | 1157 return n; |
| 523 | 1158 } |
| 1159 } | |
| 1160 | |
| 1161 return len; | |
| 1162 } | |
| 1163 | |
| 1164 | |
| 527 | 1165 u_char * |
|
2125
8e4b9d2acde8
rename ngx_utf_...() to ngx_utf8_...()
Igor Sysoev <igor@sysoev.ru>
parents:
2120
diff
changeset
|
1166 ngx_utf8_cpystrn(u_char *dst, u_char *src, size_t n, size_t len) |
| 527 | 1167 { |
| 2120 | 1168 u_char c, *next; |
| 527 | 1169 |
| 1170 if (n == 0) { | |
| 1171 return dst; | |
| 1172 } | |
| 1173 | |
| 2120 | 1174 while (--n) { |
| 527 | 1175 |
| 1176 c = *src; | |
| 1177 *dst = c; | |
| 1178 | |
| 1179 if (c < 0x80) { | |
| 2120 | 1180 |
| 1181 if (c != '\0') { | |
| 1182 dst++; | |
| 1183 src++; | |
| 1184 len--; | |
| 1185 | |
| 527 | 1186 continue; |
| 1187 } | |
| 1188 | |
| 1189 return dst; | |
| 1190 } | |
| 1191 | |
| 2120 | 1192 next = src; |
| 527 | 1193 |
|
2125
8e4b9d2acde8
rename ngx_utf_...() to ngx_utf8_...()
Igor Sysoev <igor@sysoev.ru>
parents:
2120
diff
changeset
|
1194 if (ngx_utf8_decode(&next, len) > 0x10ffff) { |
|
8e4b9d2acde8
rename ngx_utf_...() to ngx_utf8_...()
Igor Sysoev <igor@sysoev.ru>
parents:
2120
diff
changeset
|
1195 /* invalid UTF-8 */ |
| 2120 | 1196 break; |
| 527 | 1197 } |
| 1198 | |
| 2120 | 1199 len--; |
| 1200 | |
| 1201 while (src < next) { | |
| 1202 *++dst = *++src; | |
| 1203 len--; | |
| 1204 } | |
| 527 | 1205 } |
| 1206 | |
| 1207 *dst = '\0'; | |
| 1208 | |
| 1209 return dst; | |
| 1210 } | |
| 1211 | |
| 1212 | |
| 493 | 1213 uintptr_t |
| 1214 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
|
1215 { |
| 827 | 1216 ngx_uint_t i, n; |
| 1217 uint32_t *escape; | |
| 1218 static u_char hex[] = "0123456789abcdef"; | |
| 461 | 1219 |
| 827 | 1220 /* " ", "#", "%", "?", %00-%1F, %7F-%FF */ |
| 485 | 1221 |
| 827 | 1222 static uint32_t uri[] = { |
| 1223 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
|
1224 |
| 827 | 1225 /* ?>=< ;:98 7654 3210 /.-, +*)( '&%$ #"! */ |
| 1226 0x80000029, /* 1000 0000 0000 0000 0000 0000 0010 1001 */ | |
| 1227 | |
| 1228 /* _^]\ [ZYX WVUT SRQP ONML KJIH GFED CBA@ */ | |
| 1229 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */ | |
| 452 | 1230 |
| 827 | 1231 /* ~}| {zyx wvut srqp onml kjih gfed cba` */ |
| 1232 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
|
1233 |
| 827 | 1234 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ |
| 1235 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
| 1236 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
| 1237 0xffffffff /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
| 1238 }; | |
| 452 | 1239 |
| 827 | 1240 /* " ", "#", "%", "+", "?", %00-%1F, %7F-%FF */ |
| 485 | 1241 |
| 827 | 1242 static uint32_t args[] = { |
| 1243 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
| 1244 | |
| 1245 /* ?>=< ;:98 7654 3210 /.-, +*)( '&%$ #"! */ | |
| 1246 0x80000829, /* 1000 0000 0000 0000 0000 1000 0010 1001 */ | |
| 485 | 1247 |
| 827 | 1248 /* _^]\ [ZYX WVUT SRQP ONML KJIH GFED CBA@ */ |
| 1249 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */ | |
| 485 | 1250 |
| 827 | 1251 /* ~}| {zyx wvut srqp onml kjih gfed cba` */ |
| 1252 0x80000000, /* 1000 0000 0000 0000 0000 0000 0000 0000 */ | |
| 485 | 1253 |
| 827 | 1254 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ |
| 1255 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
| 1256 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
| 1257 0xffffffff /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
| 1258 }; | |
| 485 | 1259 |
|
1405
fdd064faf26a
escape " ", "%", and %00-%1F in login and password
Igor Sysoev <igor@sysoev.ru>
parents:
1333
diff
changeset
|
1260 /* " ", "#", """, "%", "'", %00-%1F, %7F-%FF */ |
| 485 | 1261 |
| 827 | 1262 static uint32_t html[] = { |
| 1263 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
| 461 | 1264 |
| 827 | 1265 /* ?>=< ;:98 7654 3210 /.-, +*)( '&%$ #"! */ |
| 1297 | 1266 0x000000ad, /* 0000 0000 0000 0000 0000 0000 1010 1101 */ |
| 827 | 1267 |
| 1268 /* _^]\ [ZYX WVUT SRQP ONML KJIH GFED CBA@ */ | |
| 1269 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */ | |
| 461 | 1270 |
| 827 | 1271 /* ~}| {zyx wvut srqp onml kjih gfed cba` */ |
| 1272 0x80000000, /* 1000 0000 0000 0000 0000 0000 0000 0000 */ | |
| 461 | 1273 |
| 827 | 1274 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ |
| 1275 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
| 1276 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
| 1277 0xffffffff /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
| 1278 }; | |
| 461 | 1279 |
|
1405
fdd064faf26a
escape " ", "%", and %00-%1F in login and password
Igor Sysoev <igor@sysoev.ru>
parents:
1333
diff
changeset
|
1280 /* " ", """, "%", "'", %00-%1F, %7F-%FF */ |
| 461 | 1281 |
|
1298
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1282 static uint32_t refresh[] = { |
|
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1283 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
|
1284 |
|
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1285 /* ?>=< ;:98 7654 3210 /.-, +*)( '&%$ #"! */ |
|
1629
12a656452ad1
do not encode already encoded characters in msie_refresh
Igor Sysoev <igor@sysoev.ru>
parents:
1593
diff
changeset
|
1286 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
|
1287 |
|
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1288 /* _^]\ [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
|
1289 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
|
1290 |
|
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1291 /* ~}| {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
|
1292 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
|
1293 |
|
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1294 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
|
1295 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
|
1296 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
|
1297 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
|
1298 }; |
|
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1299 |
|
1405
fdd064faf26a
escape " ", "%", and %00-%1F in login and password
Igor Sysoev <igor@sysoev.ru>
parents:
1333
diff
changeset
|
1300 /* " ", "%", %00-%1F */ |
|
1333
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1301 |
|
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1302 static uint32_t memcached[] = { |
|
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1303 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
|
1304 |
|
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1305 /* ?>=< ;:98 7654 3210 /.-, +*)( '&%$ #"! */ |
|
1405
fdd064faf26a
escape " ", "%", and %00-%1F in login and password
Igor Sysoev <igor@sysoev.ru>
parents:
1333
diff
changeset
|
1306 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
|
1307 |
|
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1308 /* _^]\ [ZYX WVUT SRQP ONML KJIH GFED CBA@ */ |
|
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1309 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
|
1310 |
|
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1311 /* ~}| {zyx wvut srqp onml kjih gfed cba` */ |
|
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1312 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
|
1313 |
|
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1314 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
|
1315 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
|
1316 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
|
1317 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
|
1318 }; |
|
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1319 |
|
1405
fdd064faf26a
escape " ", "%", and %00-%1F in login and password
Igor Sysoev <igor@sysoev.ru>
parents:
1333
diff
changeset
|
1320 /* 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
|
1321 |
|
fdd064faf26a
escape " ", "%", and %00-%1F in login and password
Igor Sysoev <igor@sysoev.ru>
parents:
1333
diff
changeset
|
1322 static uint32_t *map[] = |
|
fdd064faf26a
escape " ", "%", and %00-%1F in login and password
Igor Sysoev <igor@sysoev.ru>
parents:
1333
diff
changeset
|
1323 { uri, args, html, refresh, memcached, memcached }; |
|
1298
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1324 |
|
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1325 |
|
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1326 escape = map[type]; |
| 461 | 1327 |
| 452 | 1328 if (dst == NULL) { |
| 1329 | |
| 1330 /* 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
|
1331 |
| 452 | 1332 n = 0; |
| 1333 | |
| 1334 for (i = 0; i < size; i++) { | |
| 1335 if (escape[*src >> 5] & (1 << (*src & 0x1f))) { | |
| 1336 n++; | |
| 1337 } | |
| 1338 src++; | |
| 1339 } | |
| 1340 | |
| 485 | 1341 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
|
1342 } |
|
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
1343 |
| 452 | 1344 for (i = 0; i < size; i++) { |
| 1345 if (escape[*src >> 5] & (1 << (*src & 0x1f))) { | |
| 1346 *dst++ = '%'; | |
| 1347 *dst++ = hex[*src >> 4]; | |
| 1348 *dst++ = hex[*src & 0xf]; | |
| 1349 src++; | |
|
69
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
1350 |
| 452 | 1351 } else { |
| 1352 *dst++ = *src++; | |
| 1353 } | |
|
69
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
1354 } |
|
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
1355 |
| 485 | 1356 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
|
1357 } |
| 577 | 1358 |
| 1359 | |
| 1360 void | |
| 601 | 1361 ngx_unescape_uri(u_char **dst, u_char **src, size_t size, ngx_uint_t type) |
| 577 | 1362 { |
| 1363 u_char *d, *s, ch, c, decoded; | |
| 1364 enum { | |
| 1365 sw_usual = 0, | |
| 1366 sw_quoted, | |
| 1367 sw_quoted_second | |
| 1368 } state; | |
| 1369 | |
| 1370 d = *dst; | |
| 1371 s = *src; | |
| 1372 | |
| 1373 state = 0; | |
| 1374 decoded = 0; | |
| 1375 | |
| 1376 while (size--) { | |
| 1377 | |
| 1378 ch = *s++; | |
| 1379 | |
| 1380 switch (state) { | |
| 1381 case sw_usual: | |
| 1593 | 1382 if (ch == '?' |
| 1383 && (type & (NGX_UNESCAPE_URI|NGX_UNESCAPE_REDIRECT))) | |
| 1384 { | |
| 577 | 1385 *d++ = ch; |
| 1386 goto done; | |
| 1387 } | |
| 1388 | |
| 1389 if (ch == '%') { | |
| 1390 state = sw_quoted; | |
| 1391 break; | |
| 1392 } | |
| 1393 | |
| 1394 *d++ = ch; | |
| 1395 break; | |
| 1396 | |
| 1397 case sw_quoted: | |
| 1398 | |
| 1399 if (ch >= '0' && ch <= '9') { | |
| 1400 decoded = (u_char) (ch - '0'); | |
| 1401 state = sw_quoted_second; | |
| 1402 break; | |
| 1403 } | |
| 1404 | |
| 1405 c = (u_char) (ch | 0x20); | |
| 1406 if (c >= 'a' && c <= 'f') { | |
| 1407 decoded = (u_char) (c - 'a' + 10); | |
| 1408 state = sw_quoted_second; | |
| 1409 break; | |
| 1410 } | |
| 1411 | |
| 589 | 1412 /* the invalid quoted character */ |
| 577 | 1413 |
| 589 | 1414 state = sw_usual; |
| 1415 | |
| 1416 *d++ = ch; | |
| 577 | 1417 |
| 1418 break; | |
| 1419 | |
| 1420 case sw_quoted_second: | |
| 1421 | |
| 589 | 1422 state = sw_usual; |
| 1423 | |
| 577 | 1424 if (ch >= '0' && ch <= '9') { |
| 1425 ch = (u_char) ((decoded << 4) + ch - '0'); | |
| 1426 | |
| 1593 | 1427 if (type & NGX_UNESCAPE_REDIRECT) { |
| 601 | 1428 if (ch > '%' && ch < 0x7f) { |
| 1429 *d++ = ch; | |
| 1430 break; | |
| 1431 } | |
| 1432 | |
| 1433 *d++ = '%'; *d++ = *(s - 2); *d++ = *(s - 1); | |
| 1434 | |
| 577 | 1435 break; |
| 1436 } | |
| 1437 | |
| 601 | 1438 *d++ = ch; |
| 577 | 1439 |
| 1440 break; | |
| 1441 } | |
| 1442 | |
| 1443 c = (u_char) (ch | 0x20); | |
| 1444 if (c >= 'a' && c <= 'f') { | |
| 1445 ch = (u_char) ((decoded << 4) + c - 'a' + 10); | |
| 1446 | |
| 1593 | 1447 if (type & NGX_UNESCAPE_URI) { |
| 1448 if (ch == '?') { | |
| 1449 *d++ = ch; | |
| 1450 goto done; | |
| 1451 } | |
| 1452 | |
| 1453 *d++ = ch; | |
| 1454 break; | |
| 1455 } | |
| 1456 | |
| 1457 if (type & NGX_UNESCAPE_REDIRECT) { | |
| 601 | 1458 if (ch == '?') { |
| 1459 *d++ = ch; | |
| 1460 goto done; | |
| 1461 } | |
| 577 | 1462 |
| 601 | 1463 if (ch > '%' && ch < 0x7f) { |
| 1464 *d++ = ch; | |
| 1465 break; | |
| 1466 } | |
| 1467 | |
| 1468 *d++ = '%'; *d++ = *(s - 2); *d++ = *(s - 1); | |
| 577 | 1469 break; |
| 1470 } | |
| 1471 | |
| 601 | 1472 *d++ = ch; |
| 577 | 1473 |
| 1474 break; | |
| 1475 } | |
| 1476 | |
| 589 | 1477 /* the invalid quoted character */ |
| 577 | 1478 |
| 1479 break; | |
| 1480 } | |
| 1481 } | |
| 1482 | |
| 1483 done: | |
| 1484 | |
| 1485 *dst = d; | |
| 1486 *src = s; | |
| 1487 } | |
| 583 | 1488 |
| 1489 | |
| 1544 | 1490 uintptr_t |
| 1491 ngx_escape_html(u_char *dst, u_char *src, size_t size) | |
| 1492 { | |
| 1493 u_char ch; | |
| 1494 ngx_uint_t i, len; | |
| 1495 | |
| 1496 if (dst == NULL) { | |
| 1497 | |
| 1498 len = 0; | |
| 1499 | |
| 1500 for (i = 0; i < size; i++) { | |
| 1501 switch (*src++) { | |
| 1502 | |
| 1503 case '<': | |
| 1504 len += sizeof("<") - 2; | |
|
1560
25ee6eee7573
style fix: remove trailing spaces
Igor Sysoev <igor@sysoev.ru>
parents:
1552
diff
changeset
|
1505 break; |
| 1544 | 1506 |
| 1507 case '>': | |
| 1508 len += sizeof(">") - 2; | |
|
1560
25ee6eee7573
style fix: remove trailing spaces
Igor Sysoev <igor@sysoev.ru>
parents:
1552
diff
changeset
|
1509 break; |
| 1544 | 1510 |
| 1511 case '&': | |
| 1512 len += sizeof("&") - 2; | |
|
1560
25ee6eee7573
style fix: remove trailing spaces
Igor Sysoev <igor@sysoev.ru>
parents:
1552
diff
changeset
|
1513 break; |
| 1544 | 1514 |
| 1515 default: | |
| 1516 break; | |
| 1517 } | |
| 1518 } | |
| 1519 | |
| 1520 return (uintptr_t) len; | |
| 1521 } | |
| 1522 | |
| 1523 for (i = 0; i < size; i++) { | |
| 1524 ch = *src++; | |
| 1525 | |
| 1526 switch (ch) { | |
| 1527 | |
| 1528 case '<': | |
| 1529 *dst++ = '&'; *dst++ = 'l'; *dst++ = 't'; *dst++ = ';'; | |
| 1530 break; | |
| 1531 | |
| 1532 case '>': | |
| 1533 *dst++ = '&'; *dst++ = 'g'; *dst++ = 't'; *dst++ = ';'; | |
| 1534 break; | |
| 1535 | |
| 1536 case '&': | |
| 1537 *dst++ = '&'; *dst++ = 'a'; *dst++ = 'm'; *dst++ = 'p'; | |
| 1538 *dst++ = ';'; | |
| 1539 break; | |
| 1540 | |
| 1541 default: | |
| 1542 *dst++ = ch; | |
| 1543 break; | |
| 1544 } | |
| 1545 } | |
| 1546 | |
| 1547 return (uintptr_t) dst; | |
| 1548 } | |
| 1549 | |
| 1550 | |
| 1208 | 1551 /* ngx_sort() is implemented as insertion sort because we need stable sort */ |
| 1552 | |
| 1553 void | |
| 1554 ngx_sort(void *base, size_t n, size_t size, | |
|
1956
cb8c0c8e0c27
use ngx_int_t in ngx_sort() callback
Igor Sysoev <igor@sysoev.ru>
parents:
1955
diff
changeset
|
1555 ngx_int_t (*cmp)(const void *, const void *)) |
| 1208 | 1556 { |
|
1955
466fdc84c82d
use dynamically allocated buffer in ngx_sort()
Igor Sysoev <igor@sysoev.ru>
parents:
1867
diff
changeset
|
1557 u_char *p1, *p2, *p; |
|
466fdc84c82d
use dynamically allocated buffer in ngx_sort()
Igor Sysoev <igor@sysoev.ru>
parents:
1867
diff
changeset
|
1558 |
|
466fdc84c82d
use dynamically allocated buffer in ngx_sort()
Igor Sysoev <igor@sysoev.ru>
parents:
1867
diff
changeset
|
1559 p = ngx_alloc(size, ngx_cycle->log); |
|
466fdc84c82d
use dynamically allocated buffer in ngx_sort()
Igor Sysoev <igor@sysoev.ru>
parents:
1867
diff
changeset
|
1560 if (p == NULL) { |
|
466fdc84c82d
use dynamically allocated buffer in ngx_sort()
Igor Sysoev <igor@sysoev.ru>
parents:
1867
diff
changeset
|
1561 return; |
|
466fdc84c82d
use dynamically allocated buffer in ngx_sort()
Igor Sysoev <igor@sysoev.ru>
parents:
1867
diff
changeset
|
1562 } |
| 1208 | 1563 |
| 1564 for (p1 = (u_char *) base + size; | |
| 1565 p1 < (u_char *) base + n * size; | |
| 1566 p1 += size) | |
| 1567 { | |
|
1955
466fdc84c82d
use dynamically allocated buffer in ngx_sort()
Igor Sysoev <igor@sysoev.ru>
parents:
1867
diff
changeset
|
1568 ngx_memcpy(p, p1, size); |
| 1208 | 1569 |
| 1570 for (p2 = p1; | |
|
1955
466fdc84c82d
use dynamically allocated buffer in ngx_sort()
Igor Sysoev <igor@sysoev.ru>
parents:
1867
diff
changeset
|
1571 p2 > (u_char *) base && cmp(p2 - size, p) > 0; |
| 1208 | 1572 p2 -= size) |
| 1573 { | |
| 1574 ngx_memcpy(p2, p2 - size, size); | |
| 1575 } | |
| 1576 | |
|
1955
466fdc84c82d
use dynamically allocated buffer in ngx_sort()
Igor Sysoev <igor@sysoev.ru>
parents:
1867
diff
changeset
|
1577 ngx_memcpy(p2, p, size); |
| 1208 | 1578 } |
|
1955
466fdc84c82d
use dynamically allocated buffer in ngx_sort()
Igor Sysoev <igor@sysoev.ru>
parents:
1867
diff
changeset
|
1579 |
|
466fdc84c82d
use dynamically allocated buffer in ngx_sort()
Igor Sysoev <igor@sysoev.ru>
parents:
1867
diff
changeset
|
1580 ngx_free(p); |
| 1208 | 1581 } |
| 1582 | |
| 1583 | |
| 583 | 1584 #if (NGX_MEMCPY_LIMIT) |
| 1585 | |
| 1586 void * | |
| 1587 ngx_memcpy(void *dst, void *src, size_t n) | |
| 1588 { | |
| 1589 if (n > NGX_MEMCPY_LIMIT) { | |
| 1590 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0, "memcpy %uz bytes", n); | |
| 1591 ngx_debug_point(); | |
| 1592 } | |
| 1593 | |
| 1594 return memcpy(dst, src, n); | |
| 1595 } | |
| 1596 | |
| 1597 #endif |