Mercurial > hg > nginx
annotate src/core/ngx_string.c @ 2676:278f30cc7d48
fix ngx_strlcasestrn()
author | Igor Sysoev <igor@sysoev.ru> |
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date | Mon, 06 Apr 2009 10:38:40 +0000 |
parents | 2f9c37445ffb |
children | 82e3946062be |
rev | line source |
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1 |
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2 /* |
444
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3 * Copyright (C) Igor Sysoev |
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4 */ |
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6 |
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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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9 |
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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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45 |
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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 | |
1107
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544 /* |
1541 | 545 * We use ngx_strcasecmp()/ngx_strncasecmp() for 7-bit ASCII strings only, |
1107
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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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661 } while (c1 != c2); |
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662 |
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663 } while (ngx_strncmp(s1, (u_char *) s2, n) != 0); |
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664 |
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665 return --s1; |
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666 } |
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667 |
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668 |
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669 u_char * |
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670 ngx_strcasestrn(u_char *s1, char *s2, size_t n) |
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671 { |
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672 ngx_uint_t c1, c2; |
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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 | |
2676 | 706 if (s1 <= last) { |
707 return NULL; | |
708 } | |
709 | |
2668 | 710 c2 = (ngx_uint_t) *s2++; |
711 c2 = (c2 >= 'A' && c2 <= 'Z') ? (c2 | 0x20) : c2; | |
712 last -= n; | |
713 | |
714 do { | |
715 do { | |
716 if (s1 == last) { | |
717 return NULL; | |
718 } | |
719 | |
720 c1 = (ngx_uint_t) *s1++; | |
721 | |
722 c1 = (c1 >= 'A' && c1 <= 'Z') ? (c1 | 0x20) : c1; | |
723 | |
724 } while (c1 != c2); | |
725 | |
726 } while (ngx_strncasecmp(s1, s2, n) != 0); | |
727 | |
728 return --s1; | |
729 } | |
730 | |
731 | |
493 | 732 ngx_int_t |
733 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
|
734 { |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
735 if (n == 0) { |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
736 return 0; |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
737 } |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
738 |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
739 n--; |
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 for ( ;; ) { |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
742 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
|
743 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
|
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 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 } |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
753 |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
754 |
493 | 755 ngx_int_t |
756 ngx_rstrncasecmp(u_char *s1, u_char *s2, size_t n) | |
455 | 757 { |
758 u_char c1, c2; | |
759 | |
760 if (n == 0) { | |
761 return 0; | |
762 } | |
763 | |
764 n--; | |
765 | |
766 for ( ;; ) { | |
767 c1 = s1[n]; | |
768 if (c1 >= 'a' && c1 <= 'z') { | |
769 c1 -= 'a' - 'A'; | |
770 } | |
771 | |
772 c2 = s2[n]; | |
773 if (c2 >= 'a' && c2 <= 'z') { | |
774 c2 -= 'a' - 'A'; | |
775 } | |
776 | |
777 if (c1 != c2) { | |
778 return c1 - c2; | |
779 } | |
780 | |
781 if (n == 0) { | |
782 return 0; | |
783 } | |
784 | |
785 n--; | |
786 } | |
787 } | |
788 | |
789 | |
493 | 790 ngx_int_t |
1029
ce08bc4cb97b
ngx_strn2cmp() > ngx_memn2cmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1024
diff
changeset
|
791 ngx_memn2cmp(u_char *s1, u_char *s2, size_t n1, size_t n2) |
1024 | 792 { |
793 size_t n; | |
794 ngx_int_t m, z; | |
795 | |
796 if (n1 <= n2) { | |
797 n = n1; | |
798 z = -1; | |
799 | |
800 } else { | |
801 n = n2; | |
802 z = 1; | |
803 } | |
804 | |
1029
ce08bc4cb97b
ngx_strn2cmp() > ngx_memn2cmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1024
diff
changeset
|
805 m = ngx_memcmp(s1, s2, n); |
1024 | 806 |
807 if (m || n1 == n2) { | |
808 return m; | |
809 } | |
810 | |
811 return z; | |
812 } | |
813 | |
814 | |
815 ngx_int_t | |
493 | 816 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
|
817 { |
290
87e73f067470
nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
176
diff
changeset
|
818 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
|
819 |
84
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
820 if (n == 0) { |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
821 return NGX_ERROR; |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
822 } |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
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 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
|
825 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
|
826 return NGX_ERROR; |
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
827 } |
69
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
828 |
83
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
829 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
|
830 } |
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
831 |
83
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
832 if (value < 0) { |
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
833 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
|
834 |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
835 } else { |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
836 return value; |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
837 } |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
838 } |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
839 |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
840 |
501 | 841 ssize_t |
842 ngx_atosz(u_char *line, size_t n) | |
843 { | |
844 ssize_t value; | |
845 | |
846 if (n == 0) { | |
847 return NGX_ERROR; | |
848 } | |
849 | |
850 for (value = 0; n--; line++) { | |
851 if (*line < '0' || *line > '9') { | |
852 return NGX_ERROR; | |
853 } | |
854 | |
855 value = value * 10 + (*line - '0'); | |
856 } | |
857 | |
858 if (value < 0) { | |
859 return NGX_ERROR; | |
860 | |
861 } else { | |
862 return value; | |
863 } | |
864 } | |
865 | |
866 | |
867 off_t | |
868 ngx_atoof(u_char *line, size_t n) | |
869 { | |
870 off_t value; | |
871 | |
872 if (n == 0) { | |
873 return NGX_ERROR; | |
874 } | |
875 | |
876 for (value = 0; n--; line++) { | |
877 if (*line < '0' || *line > '9') { | |
878 return NGX_ERROR; | |
879 } | |
880 | |
881 value = value * 10 + (*line - '0'); | |
882 } | |
883 | |
884 if (value < 0) { | |
885 return NGX_ERROR; | |
886 | |
887 } else { | |
888 return value; | |
889 } | |
890 } | |
891 | |
892 | |
893 time_t | |
894 ngx_atotm(u_char *line, size_t n) | |
895 { | |
896 time_t value; | |
897 | |
898 if (n == 0) { | |
899 return NGX_ERROR; | |
900 } | |
901 | |
902 for (value = 0; n--; line++) { | |
903 if (*line < '0' || *line > '9') { | |
904 return NGX_ERROR; | |
905 } | |
906 | |
907 value = value * 10 + (*line - '0'); | |
908 } | |
909 | |
910 if (value < 0) { | |
911 return NGX_ERROR; | |
912 | |
913 } else { | |
914 return value; | |
915 } | |
916 } | |
917 | |
918 | |
493 | 919 ngx_int_t |
920 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
|
921 { |
783 | 922 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
|
923 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
|
924 |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
925 if (n == 0) { |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
926 return NGX_ERROR; |
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 |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
929 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
|
930 ch = *line; |
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 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
|
933 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
|
934 continue; |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
935 } |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
936 |
783 | 937 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
|
938 |
783 | 939 if (c >= 'a' && c <= 'f') { |
940 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
|
941 continue; |
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 |
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 } |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
946 |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
947 if (value < 0) { |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
948 return NGX_ERROR; |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
949 |
83
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
950 } else { |
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
951 return value; |
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
952 } |
69
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
953 } |
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
954 |
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
955 |
1745
ec63069aeb78
replace ngx_md5_text() with ngx_hex_dump()
Igor Sysoev <igor@sysoev.ru>
parents:
1629
diff
changeset
|
956 u_char * |
ec63069aeb78
replace ngx_md5_text() with ngx_hex_dump()
Igor Sysoev <igor@sysoev.ru>
parents:
1629
diff
changeset
|
957 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
|
958 { |
290
87e73f067470
nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
176
diff
changeset
|
959 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
|
960 |
1745
ec63069aeb78
replace ngx_md5_text() with ngx_hex_dump()
Igor Sysoev <igor@sysoev.ru>
parents:
1629
diff
changeset
|
961 while (len--) { |
ec63069aeb78
replace ngx_md5_text() with ngx_hex_dump()
Igor Sysoev <igor@sysoev.ru>
parents:
1629
diff
changeset
|
962 *dst++ = hex[*src >> 4]; |
ec63069aeb78
replace ngx_md5_text() with ngx_hex_dump()
Igor Sysoev <igor@sysoev.ru>
parents:
1629
diff
changeset
|
963 *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
|
964 } |
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
965 |
1745
ec63069aeb78
replace ngx_md5_text() with ngx_hex_dump()
Igor Sysoev <igor@sysoev.ru>
parents:
1629
diff
changeset
|
966 return dst; |
174
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
100
diff
changeset
|
967 } |
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
100
diff
changeset
|
968 |
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
100
diff
changeset
|
969 |
493 | 970 void |
971 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
|
972 { |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
973 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
|
974 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
|
975 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
|
976 "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
977 |
409
8ac40cae79f0
nginx-0.0.10-2004-08-29-07:55:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
408
diff
changeset
|
978 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
|
979 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
|
980 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
|
981 |
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
982 while (len > 2) { |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
983 *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
|
984 *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
|
985 *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
|
986 *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
|
987 |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
988 s += 3; |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
989 len -= 3; |
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
990 } |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
991 |
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
992 if (len) { |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
993 *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
|
994 |
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
995 if (len == 1) { |
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]; |
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
997 *d++ = '='; |
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 } else { |
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1000 *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
|
1001 *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
|
1002 } |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1003 |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1004 *d++ = '='; |
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 |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1007 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
|
1008 } |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1009 |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1010 |
493 | 1011 ngx_int_t |
1012 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
|
1013 { |
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1014 size_t len; |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1015 u_char *d, *s; |
827 | 1016 static u_char basis64[] = { |
1017 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, | |
1018 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, | |
1019 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 62, 77, 77, 77, 63, | |
1020 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 77, 77, 77, 77, 77, 77, | |
1021 77, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, | |
1022 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 77, 77, 77, 77, 77, | |
1023 77, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, | |
1024 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
|
1025 |
827 | 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 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, | |
1031 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, | |
1032 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, | |
1033 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77 | |
1034 }; | |
408
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 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
|
1037 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
|
1038 break; |
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 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
|
1042 return NGX_ERROR; |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1043 } |
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 |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1046 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
|
1047 return NGX_ERROR; |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1048 } |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1049 |
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1050 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
|
1051 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
|
1052 |
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1053 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
|
1054 *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
|
1055 *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
|
1056 *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
|
1057 |
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1058 s += 4; |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1059 len -= 4; |
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 > 1) { |
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[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
|
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 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
|
1067 *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
|
1068 } |
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1069 |
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1070 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
|
1071 |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1072 return NGX_OK; |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1073 } |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1074 |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1075 |
657 | 1076 /* |
2125
8e4b9d2acde8
rename ngx_utf_...() to ngx_utf8_...()
Igor Sysoev <igor@sysoev.ru>
parents:
2120
diff
changeset
|
1077 * ngx_utf8_decode() decodes two and more bytes UTF sequences only |
657 | 1078 * the return values: |
1079 * 0x80 - 0x10ffff valid character | |
2120 | 1080 * 0x110000 - 0xfffffffd invalid sequence |
657 | 1081 * 0xfffffffe incomplete sequence |
1082 * 0xffffffff error | |
1083 */ | |
1084 | |
1085 uint32_t | |
2125
8e4b9d2acde8
rename ngx_utf_...() to ngx_utf8_...()
Igor Sysoev <igor@sysoev.ru>
parents:
2120
diff
changeset
|
1086 ngx_utf8_decode(u_char **p, size_t n) |
657 | 1087 { |
1088 size_t len; | |
1089 uint32_t u, i, valid; | |
1090 | |
1091 u = **p; | |
1092 | |
1093 if (u > 0xf0) { | |
1094 | |
1095 u &= 0x07; | |
1096 valid = 0xffff; | |
1097 len = 3; | |
1098 | |
1099 } else if (u > 0xe0) { | |
1100 | |
1101 u &= 0x0f; | |
1102 valid = 0x7ff; | |
1103 len = 2; | |
1104 | |
1105 } else if (u > 0xc0) { | |
1106 | |
1107 u &= 0x1f; | |
1108 valid = 0x7f; | |
1109 len = 1; | |
1110 | |
1111 } else { | |
1112 (*p)++; | |
1113 return 0xffffffff; | |
1114 } | |
1115 | |
1116 if (n - 1 < len) { | |
1117 return 0xfffffffe; | |
1118 } | |
1119 | |
1120 (*p)++; | |
1121 | |
1122 while (len) { | |
1123 i = *(*p)++; | |
1124 | |
1125 if (i < 0x80) { | |
1126 return 0xffffffff; | |
1127 } | |
1128 | |
1129 u = (u << 6) | (i & 0x3f); | |
1130 | |
1131 len--; | |
1132 } | |
1133 | |
1134 if (u > valid) { | |
1135 return u; | |
1136 } | |
1137 | |
1138 return 0xffffffff; | |
1139 } | |
1140 | |
1141 | |
523 | 1142 size_t |
2125
8e4b9d2acde8
rename ngx_utf_...() to ngx_utf8_...()
Igor Sysoev <igor@sysoev.ru>
parents:
2120
diff
changeset
|
1143 ngx_utf8_length(u_char *p, size_t n) |
523 | 1144 { |
2120 | 1145 u_char c, *last; |
1146 size_t len; | |
523 | 1147 |
2120 | 1148 last = p + n; |
523 | 1149 |
2120 | 1150 for (len = 0; p < last; len++) { |
1151 | |
1152 c = *p; | |
523 | 1153 |
1154 if (c < 0x80) { | |
2120 | 1155 p++; |
523 | 1156 continue; |
1157 } | |
1158 | |
2125
8e4b9d2acde8
rename ngx_utf_...() to ngx_utf8_...()
Igor Sysoev <igor@sysoev.ru>
parents:
2120
diff
changeset
|
1159 if (ngx_utf8_decode(&p, n) > 0x10ffff) { |
8e4b9d2acde8
rename ngx_utf_...() to ngx_utf8_...()
Igor Sysoev <igor@sysoev.ru>
parents:
2120
diff
changeset
|
1160 /* invalid UTF-8 */ |
2120 | 1161 return n; |
523 | 1162 } |
1163 } | |
1164 | |
1165 return len; | |
1166 } | |
1167 | |
1168 | |
527 | 1169 u_char * |
2125
8e4b9d2acde8
rename ngx_utf_...() to ngx_utf8_...()
Igor Sysoev <igor@sysoev.ru>
parents:
2120
diff
changeset
|
1170 ngx_utf8_cpystrn(u_char *dst, u_char *src, size_t n, size_t len) |
527 | 1171 { |
2120 | 1172 u_char c, *next; |
527 | 1173 |
1174 if (n == 0) { | |
1175 return dst; | |
1176 } | |
1177 | |
2120 | 1178 while (--n) { |
527 | 1179 |
1180 c = *src; | |
1181 *dst = c; | |
1182 | |
1183 if (c < 0x80) { | |
2120 | 1184 |
1185 if (c != '\0') { | |
1186 dst++; | |
1187 src++; | |
1188 len--; | |
1189 | |
527 | 1190 continue; |
1191 } | |
1192 | |
1193 return dst; | |
1194 } | |
1195 | |
2120 | 1196 next = src; |
527 | 1197 |
2125
8e4b9d2acde8
rename ngx_utf_...() to ngx_utf8_...()
Igor Sysoev <igor@sysoev.ru>
parents:
2120
diff
changeset
|
1198 if (ngx_utf8_decode(&next, len) > 0x10ffff) { |
8e4b9d2acde8
rename ngx_utf_...() to ngx_utf8_...()
Igor Sysoev <igor@sysoev.ru>
parents:
2120
diff
changeset
|
1199 /* invalid UTF-8 */ |
2120 | 1200 break; |
527 | 1201 } |
1202 | |
2120 | 1203 len--; |
1204 | |
1205 while (src < next) { | |
1206 *++dst = *++src; | |
1207 len--; | |
1208 } | |
527 | 1209 } |
1210 | |
1211 *dst = '\0'; | |
1212 | |
1213 return dst; | |
1214 } | |
1215 | |
1216 | |
493 | 1217 uintptr_t |
1218 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
|
1219 { |
827 | 1220 ngx_uint_t i, n; |
1221 uint32_t *escape; | |
1222 static u_char hex[] = "0123456789abcdef"; | |
461 | 1223 |
827 | 1224 /* " ", "#", "%", "?", %00-%1F, %7F-%FF */ |
485 | 1225 |
827 | 1226 static uint32_t uri[] = { |
1227 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
|
1228 |
827 | 1229 /* ?>=< ;:98 7654 3210 /.-, +*)( '&%$ #"! */ |
1230 0x80000029, /* 1000 0000 0000 0000 0000 0000 0010 1001 */ | |
1231 | |
1232 /* _^]\ [ZYX WVUT SRQP ONML KJIH GFED CBA@ */ | |
1233 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */ | |
452 | 1234 |
827 | 1235 /* ~}| {zyx wvut srqp onml kjih gfed cba` */ |
1236 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
|
1237 |
827 | 1238 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ |
1239 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
1240 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
1241 0xffffffff /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
1242 }; | |
452 | 1243 |
827 | 1244 /* " ", "#", "%", "+", "?", %00-%1F, %7F-%FF */ |
485 | 1245 |
827 | 1246 static uint32_t args[] = { |
1247 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
1248 | |
1249 /* ?>=< ;:98 7654 3210 /.-, +*)( '&%$ #"! */ | |
1250 0x80000829, /* 1000 0000 0000 0000 0000 1000 0010 1001 */ | |
485 | 1251 |
827 | 1252 /* _^]\ [ZYX WVUT SRQP ONML KJIH GFED CBA@ */ |
1253 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */ | |
485 | 1254 |
827 | 1255 /* ~}| {zyx wvut srqp onml kjih gfed cba` */ |
1256 0x80000000, /* 1000 0000 0000 0000 0000 0000 0000 0000 */ | |
485 | 1257 |
827 | 1258 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ |
1259 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
1260 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
1261 0xffffffff /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
1262 }; | |
485 | 1263 |
1405
fdd064faf26a
escape " ", "%", and %00-%1F in login and password
Igor Sysoev <igor@sysoev.ru>
parents:
1333
diff
changeset
|
1264 /* " ", "#", """, "%", "'", %00-%1F, %7F-%FF */ |
485 | 1265 |
827 | 1266 static uint32_t html[] = { |
1267 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
461 | 1268 |
827 | 1269 /* ?>=< ;:98 7654 3210 /.-, +*)( '&%$ #"! */ |
1297 | 1270 0x000000ad, /* 0000 0000 0000 0000 0000 0000 1010 1101 */ |
827 | 1271 |
1272 /* _^]\ [ZYX WVUT SRQP ONML KJIH GFED CBA@ */ | |
1273 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */ | |
461 | 1274 |
827 | 1275 /* ~}| {zyx wvut srqp onml kjih gfed cba` */ |
1276 0x80000000, /* 1000 0000 0000 0000 0000 0000 0000 0000 */ | |
461 | 1277 |
827 | 1278 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ |
1279 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
1280 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
1281 0xffffffff /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
1282 }; | |
461 | 1283 |
1405
fdd064faf26a
escape " ", "%", and %00-%1F in login and password
Igor Sysoev <igor@sysoev.ru>
parents:
1333
diff
changeset
|
1284 /* " ", """, "%", "'", %00-%1F, %7F-%FF */ |
461 | 1285 |
1298
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1286 static uint32_t refresh[] = { |
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1287 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
|
1288 |
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1289 /* ?>=< ;:98 7654 3210 /.-, +*)( '&%$ #"! */ |
1629
12a656452ad1
do not encode already encoded characters in msie_refresh
Igor Sysoev <igor@sysoev.ru>
parents:
1593
diff
changeset
|
1290 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
|
1291 |
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1292 /* _^]\ [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
|
1293 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
|
1294 |
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1295 /* ~}| {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
|
1296 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
|
1297 |
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1298 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
|
1299 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
|
1300 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
|
1301 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
|
1302 }; |
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1303 |
1405
fdd064faf26a
escape " ", "%", and %00-%1F in login and password
Igor Sysoev <igor@sysoev.ru>
parents:
1333
diff
changeset
|
1304 /* " ", "%", %00-%1F */ |
1333
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1305 |
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1306 static uint32_t memcached[] = { |
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1307 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
|
1308 |
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1309 /* ?>=< ;:98 7654 3210 /.-, +*)( '&%$ #"! */ |
1405
fdd064faf26a
escape " ", "%", and %00-%1F in login and password
Igor Sysoev <igor@sysoev.ru>
parents:
1333
diff
changeset
|
1310 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
|
1311 |
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1312 /* _^]\ [ZYX WVUT SRQP ONML KJIH GFED CBA@ */ |
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1313 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
|
1314 |
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1315 /* ~}| {zyx wvut srqp onml kjih gfed cba` */ |
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 |
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1318 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
|
1319 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
|
1320 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
|
1321 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
|
1322 }; |
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1323 |
1405
fdd064faf26a
escape " ", "%", and %00-%1F in login and password
Igor Sysoev <igor@sysoev.ru>
parents:
1333
diff
changeset
|
1324 /* 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
|
1325 |
fdd064faf26a
escape " ", "%", and %00-%1F in login and password
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
1326 static uint32_t *map[] = |
fdd064faf26a
escape " ", "%", and %00-%1F in login and password
Igor Sysoev <igor@sysoev.ru>
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|
1327 { 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
|
1328 |
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
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1297
diff
changeset
|
1329 |
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
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1297
diff
changeset
|
1330 escape = map[type]; |
461 | 1331 |
452 | 1332 if (dst == NULL) { |
1333 | |
1334 /* 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
|
1335 |
452 | 1336 n = 0; |
1337 | |
1338 for (i = 0; i < size; i++) { | |
1339 if (escape[*src >> 5] & (1 << (*src & 0x1f))) { | |
1340 n++; | |
1341 } | |
1342 src++; | |
1343 } | |
1344 | |
485 | 1345 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
|
1346 } |
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
1347 |
452 | 1348 for (i = 0; i < size; i++) { |
1349 if (escape[*src >> 5] & (1 << (*src & 0x1f))) { | |
1350 *dst++ = '%'; | |
1351 *dst++ = hex[*src >> 4]; | |
1352 *dst++ = hex[*src & 0xf]; | |
1353 src++; | |
69
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nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
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0
diff
changeset
|
1354 |
452 | 1355 } else { |
1356 *dst++ = *src++; | |
1357 } | |
69
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nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
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0
diff
changeset
|
1358 } |
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
1359 |
485 | 1360 return (uintptr_t) dst; |
69
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
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0
diff
changeset
|
1361 } |
577 | 1362 |
1363 | |
1364 void | |
601 | 1365 ngx_unescape_uri(u_char **dst, u_char **src, size_t size, ngx_uint_t type) |
577 | 1366 { |
1367 u_char *d, *s, ch, c, decoded; | |
1368 enum { | |
1369 sw_usual = 0, | |
1370 sw_quoted, | |
1371 sw_quoted_second | |
1372 } state; | |
1373 | |
1374 d = *dst; | |
1375 s = *src; | |
1376 | |
1377 state = 0; | |
1378 decoded = 0; | |
1379 | |
1380 while (size--) { | |
1381 | |
1382 ch = *s++; | |
1383 | |
1384 switch (state) { | |
1385 case sw_usual: | |
1593 | 1386 if (ch == '?' |
1387 && (type & (NGX_UNESCAPE_URI|NGX_UNESCAPE_REDIRECT))) | |
1388 { | |
577 | 1389 *d++ = ch; |
1390 goto done; | |
1391 } | |
1392 | |
1393 if (ch == '%') { | |
1394 state = sw_quoted; | |
1395 break; | |
1396 } | |
1397 | |
1398 *d++ = ch; | |
1399 break; | |
1400 | |
1401 case sw_quoted: | |
1402 | |
1403 if (ch >= '0' && ch <= '9') { | |
1404 decoded = (u_char) (ch - '0'); | |
1405 state = sw_quoted_second; | |
1406 break; | |
1407 } | |
1408 | |
1409 c = (u_char) (ch | 0x20); | |
1410 if (c >= 'a' && c <= 'f') { | |
1411 decoded = (u_char) (c - 'a' + 10); | |
1412 state = sw_quoted_second; | |
1413 break; | |
1414 } | |
1415 | |
589 | 1416 /* the invalid quoted character */ |
577 | 1417 |
589 | 1418 state = sw_usual; |
1419 | |
1420 *d++ = ch; | |
577 | 1421 |
1422 break; | |
1423 | |
1424 case sw_quoted_second: | |
1425 | |
589 | 1426 state = sw_usual; |
1427 | |
577 | 1428 if (ch >= '0' && ch <= '9') { |
1429 ch = (u_char) ((decoded << 4) + ch - '0'); | |
1430 | |
1593 | 1431 if (type & NGX_UNESCAPE_REDIRECT) { |
601 | 1432 if (ch > '%' && ch < 0x7f) { |
1433 *d++ = ch; | |
1434 break; | |
1435 } | |
1436 | |
1437 *d++ = '%'; *d++ = *(s - 2); *d++ = *(s - 1); | |
1438 | |
577 | 1439 break; |
1440 } | |
1441 | |
601 | 1442 *d++ = ch; |
577 | 1443 |
1444 break; | |
1445 } | |
1446 | |
1447 c = (u_char) (ch | 0x20); | |
1448 if (c >= 'a' && c <= 'f') { | |
1449 ch = (u_char) ((decoded << 4) + c - 'a' + 10); | |
1450 | |
1593 | 1451 if (type & NGX_UNESCAPE_URI) { |
1452 if (ch == '?') { | |
1453 *d++ = ch; | |
1454 goto done; | |
1455 } | |
1456 | |
1457 *d++ = ch; | |
1458 break; | |
1459 } | |
1460 | |
1461 if (type & NGX_UNESCAPE_REDIRECT) { | |
601 | 1462 if (ch == '?') { |
1463 *d++ = ch; | |
1464 goto done; | |
1465 } | |
577 | 1466 |
601 | 1467 if (ch > '%' && ch < 0x7f) { |
1468 *d++ = ch; | |
1469 break; | |
1470 } | |
1471 | |
1472 *d++ = '%'; *d++ = *(s - 2); *d++ = *(s - 1); | |
577 | 1473 break; |
1474 } | |
1475 | |
601 | 1476 *d++ = ch; |
577 | 1477 |
1478 break; | |
1479 } | |
1480 | |
589 | 1481 /* the invalid quoted character */ |
577 | 1482 |
1483 break; | |
1484 } | |
1485 } | |
1486 | |
1487 done: | |
1488 | |
1489 *dst = d; | |
1490 *src = s; | |
1491 } | |
583 | 1492 |
1493 | |
1544 | 1494 uintptr_t |
1495 ngx_escape_html(u_char *dst, u_char *src, size_t size) | |
1496 { | |
1497 u_char ch; | |
1498 ngx_uint_t i, len; | |
1499 | |
1500 if (dst == NULL) { | |
1501 | |
1502 len = 0; | |
1503 | |
1504 for (i = 0; i < size; i++) { | |
1505 switch (*src++) { | |
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 case '&': | |
1516 len += sizeof("&") - 2; | |
1560
25ee6eee7573
style fix: remove trailing spaces
Igor Sysoev <igor@sysoev.ru>
parents:
1552
diff
changeset
|
1517 break; |
1544 | 1518 |
1519 default: | |
1520 break; | |
1521 } | |
1522 } | |
1523 | |
1524 return (uintptr_t) len; | |
1525 } | |
1526 | |
1527 for (i = 0; i < size; i++) { | |
1528 ch = *src++; | |
1529 | |
1530 switch (ch) { | |
1531 | |
1532 case '<': | |
1533 *dst++ = '&'; *dst++ = 'l'; *dst++ = 't'; *dst++ = ';'; | |
1534 break; | |
1535 | |
1536 case '>': | |
1537 *dst++ = '&'; *dst++ = 'g'; *dst++ = 't'; *dst++ = ';'; | |
1538 break; | |
1539 | |
1540 case '&': | |
1541 *dst++ = '&'; *dst++ = 'a'; *dst++ = 'm'; *dst++ = 'p'; | |
1542 *dst++ = ';'; | |
1543 break; | |
1544 | |
1545 default: | |
1546 *dst++ = ch; | |
1547 break; | |
1548 } | |
1549 } | |
1550 | |
1551 return (uintptr_t) dst; | |
1552 } | |
1553 | |
1554 | |
1208 | 1555 /* ngx_sort() is implemented as insertion sort because we need stable sort */ |
1556 | |
1557 void | |
1558 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
|
1559 ngx_int_t (*cmp)(const void *, const void *)) |
1208 | 1560 { |
1955
466fdc84c82d
use dynamically allocated buffer in ngx_sort()
Igor Sysoev <igor@sysoev.ru>
parents:
1867
diff
changeset
|
1561 u_char *p1, *p2, *p; |
466fdc84c82d
use dynamically allocated buffer in ngx_sort()
Igor Sysoev <igor@sysoev.ru>
parents:
1867
diff
changeset
|
1562 |
466fdc84c82d
use dynamically allocated buffer in ngx_sort()
Igor Sysoev <igor@sysoev.ru>
parents:
1867
diff
changeset
|
1563 p = ngx_alloc(size, ngx_cycle->log); |
466fdc84c82d
use dynamically allocated buffer in ngx_sort()
Igor Sysoev <igor@sysoev.ru>
parents:
1867
diff
changeset
|
1564 if (p == NULL) { |
466fdc84c82d
use dynamically allocated buffer in ngx_sort()
Igor Sysoev <igor@sysoev.ru>
parents:
1867
diff
changeset
|
1565 return; |
466fdc84c82d
use dynamically allocated buffer in ngx_sort()
Igor Sysoev <igor@sysoev.ru>
parents:
1867
diff
changeset
|
1566 } |
1208 | 1567 |
1568 for (p1 = (u_char *) base + size; | |
1569 p1 < (u_char *) base + n * size; | |
1570 p1 += size) | |
1571 { | |
1955
466fdc84c82d
use dynamically allocated buffer in ngx_sort()
Igor Sysoev <igor@sysoev.ru>
parents:
1867
diff
changeset
|
1572 ngx_memcpy(p, p1, size); |
1208 | 1573 |
1574 for (p2 = p1; | |
1955
466fdc84c82d
use dynamically allocated buffer in ngx_sort()
Igor Sysoev <igor@sysoev.ru>
parents:
1867
diff
changeset
|
1575 p2 > (u_char *) base && cmp(p2 - size, p) > 0; |
1208 | 1576 p2 -= size) |
1577 { | |
1578 ngx_memcpy(p2, p2 - size, size); | |
1579 } | |
1580 | |
1955
466fdc84c82d
use dynamically allocated buffer in ngx_sort()
Igor Sysoev <igor@sysoev.ru>
parents:
1867
diff
changeset
|
1581 ngx_memcpy(p2, p, size); |
1208 | 1582 } |
1955
466fdc84c82d
use dynamically allocated buffer in ngx_sort()
Igor Sysoev <igor@sysoev.ru>
parents:
1867
diff
changeset
|
1583 |
466fdc84c82d
use dynamically allocated buffer in ngx_sort()
Igor Sysoev <igor@sysoev.ru>
parents:
1867
diff
changeset
|
1584 ngx_free(p); |
1208 | 1585 } |
1586 | |
1587 | |
583 | 1588 #if (NGX_MEMCPY_LIMIT) |
1589 | |
1590 void * | |
1591 ngx_memcpy(void *dst, void *src, size_t n) | |
1592 { | |
1593 if (n > NGX_MEMCPY_LIMIT) { | |
1594 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0, "memcpy %uz bytes", n); | |
1595 ngx_debug_point(); | |
1596 } | |
1597 | |
1598 return memcpy(dst, src, n); | |
1599 } | |
1600 | |
1601 #endif |