Mercurial > hg > nginx
annotate src/core/ngx_string.c @ 1544:998c44b19e30
ngx_escape_html()
author | Igor Sysoev <igor@sysoev.ru> |
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date | Thu, 27 Sep 2007 09:36:50 +0000 |
parents | f5bd1a7ed2cd |
children | d0bdd5f2276e |
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 |
493 | 11 u_char * |
12 ngx_cpystrn(u_char *dst, u_char *src, size_t n) | |
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13 { |
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14 if (n == 0) { |
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15 return dst; |
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16 } |
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17 |
517 | 18 for ( /* void */ ; --n; dst++, src++) { |
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19 *dst = *src; |
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21 if (*dst == '\0') { |
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22 return dst; |
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23 } |
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24 } |
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25 |
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26 *dst = '\0'; |
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28 return dst; |
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29 } |
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31 |
493 | 32 u_char * |
33 ngx_pstrdup(ngx_pool_t *pool, ngx_str_t *src) | |
485 | 34 { |
35 u_char *dst; | |
36 | |
501 | 37 dst = ngx_palloc(pool, src->len); |
38 if (dst == NULL) { | |
485 | 39 return NULL; |
40 } | |
41 | |
42 ngx_memcpy(dst, src->data, src->len); | |
43 | |
44 return dst; | |
45 } | |
46 | |
47 | |
455 | 48 /* |
49 * supported formats: | |
473 | 50 * %[0][width][x][X]O off_t |
461 | 51 * %[0][width]T time_t |
52 * %[0][width][u][x|X]z ssize_t/size_t | |
53 * %[0][width][u][x|X]d int/u_int | |
54 * %[0][width][u][x|X]l long | |
55 * %[0][width|m][u][x|X]i ngx_int_t/ngx_uint_t | |
56 * %[0][width][u][x|X]D int32_t/uint32_t | |
57 * %[0][width][u][x|X]L int64_t/uint64_t | |
495 | 58 * %[0][width|m][u][x|X]A ngx_atomic_int_t/ngx_atomic_uint_t |
461 | 59 * %P ngx_pid_t |
557 | 60 * %M ngx_msec_t |
461 | 61 * %r rlim_t |
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62 * %p void * |
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63 * %V ngx_str_t * |
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64 * %v ngx_variable_value_t * |
461 | 65 * %s null-terminated string |
66 * %Z '\0' | |
525 | 67 * %N '\n' |
461 | 68 * %c char |
69 * %% % | |
455 | 70 * |
461 | 71 * reserved: |
72 * %t ptrdiff_t | |
73 * %S null-teminated wchar string | |
74 * %C wchar | |
455 | 75 */ |
76 | |
461 | 77 |
503 | 78 u_char * ngx_cdecl |
493 | 79 ngx_sprintf(u_char *buf, const char *fmt, ...) |
461 | 80 { |
81 u_char *p; | |
82 va_list args; | |
83 | |
84 va_start(args, fmt); | |
85 p = ngx_vsnprintf(buf, /* STUB */ 65536, fmt, args); | |
86 va_end(args); | |
87 | |
88 return p; | |
89 } | |
90 | |
91 | |
503 | 92 u_char * ngx_cdecl |
493 | 93 ngx_snprintf(u_char *buf, size_t max, const char *fmt, ...) |
455 | 94 { |
461 | 95 u_char *p; |
96 va_list args; | |
97 | |
98 va_start(args, fmt); | |
99 p = ngx_vsnprintf(buf, max, fmt, args); | |
100 va_end(args); | |
101 | |
102 return p; | |
103 } | |
104 | |
455 | 105 |
493 | 106 u_char * |
107 ngx_vsnprintf(u_char *buf, size_t max, const char *fmt, va_list args) | |
461 | 108 { |
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109 u_char *p, zero, *last, temp[NGX_INT64_LEN + 1]; |
479 | 110 /* |
111 * really we need temp[NGX_INT64_LEN] only, | |
493 | 112 * but icc issues the warning |
479 | 113 */ |
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114 int d; |
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115 size_t len; |
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116 uint32_t ui32; |
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117 int64_t i64; |
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118 uint64_t ui64; |
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119 ngx_msec_t ms; |
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120 ngx_uint_t width, sign, hexadecimal, max_width; |
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121 ngx_str_t *v; |
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122 ngx_variable_value_t *vv; |
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123 static u_char hex[] = "0123456789abcdef"; |
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124 static u_char HEX[] = "0123456789ABCDEF"; |
455 | 125 |
461 | 126 if (max == 0) { |
127 return buf; | |
128 } | |
129 | |
130 last = buf + max; | |
131 | |
132 while (*fmt && buf < last) { | |
133 | |
134 /* | |
135 * "buf < last" means that we could copy at least one character: | |
136 * the plain character, "%%", "%c", and minus without the checking | |
137 */ | |
138 | |
455 | 139 if (*fmt == '%') { |
140 | |
461 | 141 i64 = 0; |
142 ui64 = 0; | |
143 | |
144 zero = (u_char) ((*++fmt == '0') ? '0' : ' '); | |
455 | 145 width = 0; |
146 sign = 1; | |
147 hexadecimal = 0; | |
493 | 148 max_width = 0; |
455 | 149 |
477 | 150 p = temp + NGX_INT64_LEN; |
455 | 151 |
152 while (*fmt >= '0' && *fmt <= '9') { | |
153 width = width * 10 + *fmt++ - '0'; | |
154 } | |
155 | |
156 | |
157 for ( ;; ) { | |
158 switch (*fmt) { | |
159 | |
160 case 'u': | |
161 sign = 0; | |
162 fmt++; | |
163 continue; | |
164 | |
467 | 165 case 'm': |
493 | 166 max_width = 1; |
467 | 167 fmt++; |
168 continue; | |
169 | |
461 | 170 case 'X': |
171 hexadecimal = 2; | |
172 sign = 0; | |
173 fmt++; | |
174 continue; | |
175 | |
455 | 176 case 'x': |
177 hexadecimal = 1; | |
461 | 178 sign = 0; |
455 | 179 fmt++; |
180 continue; | |
181 | |
182 default: | |
183 break; | |
184 } | |
185 | |
186 break; | |
187 } | |
188 | |
189 | |
190 switch (*fmt) { | |
191 | |
461 | 192 case 'V': |
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193 v = va_arg(args, ngx_str_t *); |
455 | 194 |
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195 len = v->len; |
573 | 196 len = (buf + len < last) ? len : (size_t) (last - buf); |
197 | |
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198 buf = ngx_cpymem(buf, v->data, len); |
461 | 199 fmt++; |
455 | 200 |
461 | 201 continue; |
455 | 202 |
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203 case 'v': |
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204 vv = va_arg(args, ngx_variable_value_t *); |
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205 |
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206 len = vv->len; |
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207 len = (buf + len < last) ? len : (size_t) (last - buf); |
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208 |
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209 buf = ngx_cpymem(buf, vv->data, len); |
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210 fmt++; |
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211 |
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212 continue; |
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213 |
455 | 214 case 's': |
461 | 215 p = va_arg(args, u_char *); |
455 | 216 |
461 | 217 while (*p && buf < last) { |
455 | 218 *buf++ = *p++; |
219 } | |
220 fmt++; | |
221 | |
222 continue; | |
223 | |
461 | 224 case 'O': |
225 i64 = (int64_t) va_arg(args, off_t); | |
226 sign = 1; | |
227 break; | |
228 | |
229 case 'P': | |
230 i64 = (int64_t) va_arg(args, ngx_pid_t); | |
231 sign = 1; | |
232 break; | |
233 | |
234 case 'T': | |
235 i64 = (int64_t) va_arg(args, time_t); | |
236 sign = 1; | |
237 break; | |
238 | |
557 | 239 case 'M': |
561 | 240 ms = (ngx_msec_t) va_arg(args, ngx_msec_t); |
241 if ((ngx_msec_int_t) ms == -1) { | |
242 sign = 1; | |
243 i64 = -1; | |
244 } else { | |
245 sign = 0; | |
246 ui64 = (uint64_t) ms; | |
247 } | |
557 | 248 break; |
249 | |
461 | 250 case 'z': |
251 if (sign) { | |
252 i64 = (int64_t) va_arg(args, ssize_t); | |
253 } else { | |
254 ui64 = (uint64_t) va_arg(args, size_t); | |
255 } | |
256 break; | |
257 | |
258 case 'i': | |
259 if (sign) { | |
260 i64 = (int64_t) va_arg(args, ngx_int_t); | |
261 } else { | |
262 ui64 = (uint64_t) va_arg(args, ngx_uint_t); | |
263 } | |
493 | 264 |
265 if (max_width) { | |
266 width = NGX_INT_T_LEN; | |
267 } | |
268 | |
461 | 269 break; |
270 | |
271 case 'd': | |
272 if (sign) { | |
273 i64 = (int64_t) va_arg(args, int); | |
274 } else { | |
275 ui64 = (uint64_t) va_arg(args, u_int); | |
276 } | |
277 break; | |
278 | |
279 case 'l': | |
280 if (sign) { | |
281 i64 = (int64_t) va_arg(args, long); | |
282 } else { | |
283 ui64 = (uint64_t) va_arg(args, u_long); | |
284 } | |
285 break; | |
286 | |
287 case 'D': | |
288 if (sign) { | |
289 i64 = (int64_t) va_arg(args, int32_t); | |
290 } else { | |
291 ui64 = (uint64_t) va_arg(args, uint32_t); | |
292 } | |
293 break; | |
294 | |
295 case 'L': | |
296 if (sign) { | |
297 i64 = va_arg(args, int64_t); | |
298 } else { | |
299 ui64 = va_arg(args, uint64_t); | |
300 } | |
301 break; | |
302 | |
493 | 303 case 'A': |
304 if (sign) { | |
305 i64 = (int64_t) va_arg(args, ngx_atomic_int_t); | |
306 } else { | |
495 | 307 ui64 = (uint64_t) va_arg(args, ngx_atomic_uint_t); |
493 | 308 } |
309 | |
310 if (max_width) { | |
311 width = NGX_ATOMIC_T_LEN; | |
312 } | |
313 | |
314 break; | |
315 | |
461 | 316 #if !(NGX_WIN32) |
317 case 'r': | |
318 i64 = (int64_t) va_arg(args, rlim_t); | |
319 sign = 1; | |
320 break; | |
321 #endif | |
322 | |
323 case 'p': | |
324 ui64 = (uintptr_t) va_arg(args, void *); | |
325 hexadecimal = 2; | |
326 sign = 0; | |
327 zero = '0'; | |
613 | 328 width = NGX_PTR_SIZE * 2; |
461 | 329 break; |
330 | |
457 | 331 case 'c': |
461 | 332 d = va_arg(args, int); |
457 | 333 *buf++ = (u_char) (d & 0xff); |
334 fmt++; | |
335 | |
336 continue; | |
337 | |
461 | 338 case 'Z': |
339 *buf++ = '\0'; | |
340 fmt++; | |
341 | |
342 continue; | |
343 | |
525 | 344 case 'N': |
345 #if (NGX_WIN32) | |
346 *buf++ = CR; | |
347 #endif | |
348 *buf++ = LF; | |
349 fmt++; | |
350 | |
351 continue; | |
352 | |
455 | 353 case '%': |
354 *buf++ = '%'; | |
355 fmt++; | |
356 | |
357 continue; | |
358 | |
359 default: | |
360 *buf++ = *fmt++; | |
361 | |
362 continue; | |
363 } | |
364 | |
461 | 365 if (sign) { |
366 if (i64 < 0) { | |
367 *buf++ = '-'; | |
368 ui64 = (uint64_t) -i64; | |
369 | |
370 } else { | |
371 ui64 = (uint64_t) i64; | |
372 } | |
373 } | |
374 | |
375 if (hexadecimal == 1) { | |
376 do { | |
377 | |
378 /* the "(uint32_t)" cast disables the BCC's warning */ | |
379 *--p = hex[(uint32_t) (ui64 & 0xf)]; | |
380 | |
381 } while (ui64 >>= 4); | |
382 | |
383 } else if (hexadecimal == 2) { | |
384 do { | |
385 | |
386 /* the "(uint32_t)" cast disables the BCC's warning */ | |
387 *--p = HEX[(uint32_t) (ui64 & 0xf)]; | |
388 | |
389 } while (ui64 >>= 4); | |
390 | |
391 } else if (ui64 <= NGX_MAX_UINT32_VALUE) { | |
392 | |
393 /* | |
394 * To divide 64-bit number and to find the remainder | |
395 * on the x86 platform gcc and icc call the libc functions | |
396 * [u]divdi3() and [u]moddi3(), they call another function | |
493 | 397 * in its turn. On FreeBSD it is the qdivrem() function, |
461 | 398 * its source code is about 170 lines of the code. |
399 * The glibc counterpart is about 150 lines of the code. | |
400 * | |
493 | 401 * For 32-bit numbers and some divisors gcc and icc use |
402 * the inlined multiplication and shifts. For example, | |
403 * unsigned "i32 / 10" is compiled to | |
404 * | |
405 * (i32 * 0xCCCCCCCD) >> 35 | |
461 | 406 */ |
407 | |
408 ui32 = (uint32_t) ui64; | |
409 | |
410 do { | |
411 *--p = (u_char) (ui32 % 10 + '0'); | |
412 } while (ui32 /= 10); | |
413 | |
414 } else { | |
415 do { | |
416 *--p = (u_char) (ui64 % 10 + '0'); | |
417 } while (ui64 /= 10); | |
418 } | |
419 | |
477 | 420 len = (temp + NGX_INT64_LEN) - p; |
455 | 421 |
461 | 422 while (len++ < width && buf < last) { |
423 *buf++ = zero; | |
455 | 424 } |
425 | |
477 | 426 len = (temp + NGX_INT64_LEN) - p; |
461 | 427 if (buf + len > last) { |
428 len = last - buf; | |
429 } | |
430 | |
431 buf = ngx_cpymem(buf, p, len); | |
455 | 432 |
433 fmt++; | |
434 | |
435 } else { | |
436 *buf++ = *fmt++; | |
437 } | |
438 } | |
439 | |
440 return buf; | |
441 } | |
442 | |
443 | |
1107
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444 /* |
1541 | 445 * We use ngx_strcasecmp()/ngx_strncasecmp() for 7-bit ASCII strings only, |
1107
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446 * and implement our own ngx_strcasecmp()/ngx_strncasecmp() |
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447 * to avoid libc locale overhead. Besides, we use the ngx_uint_t's |
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|
448 * instead of the u_char's, because they are slightly faster. |
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449 */ |
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450 |
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451 ngx_int_t |
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452 ngx_strcasecmp(u_char *s1, u_char *s2) |
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453 { |
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454 ngx_uint_t c1, c2; |
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455 |
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456 for ( ;; ) { |
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457 c1 = (ngx_uint_t) *s1++; |
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458 c2 = (ngx_uint_t) *s2++; |
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459 |
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460 c1 = (c1 >= 'A' && c1 <= 'Z') ? (c1 | 0x20) : c1; |
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461 c2 = (c2 >= 'A' && c2 <= 'Z') ? (c2 | 0x20) : c2; |
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462 |
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463 if (c1 == c2) { |
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464 |
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465 if (c1) { |
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466 continue; |
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467 } |
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|
468 |
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469 return 0; |
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470 } |
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|
471 |
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472 return c1 - c2; |
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473 } |
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474 } |
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|
475 |
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|
476 |
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|
477 ngx_int_t |
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|
478 ngx_strncasecmp(u_char *s1, u_char *s2, size_t n) |
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|
479 { |
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|
480 ngx_uint_t c1, c2; |
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|
481 |
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|
482 while (n) { |
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|
483 c1 = (ngx_uint_t) *s1++; |
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|
484 c2 = (ngx_uint_t) *s2++; |
db7c468c447d
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|
485 |
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|
486 c1 = (c1 >= 'A' && c1 <= 'Z') ? (c1 | 0x20) : c1; |
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|
487 c2 = (c2 >= 'A' && c2 <= 'Z') ? (c2 | 0x20) : c2; |
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|
488 |
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|
489 if (c1 == c2) { |
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|
490 |
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|
491 if (c1) { |
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|
492 n--; |
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|
493 continue; |
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494 } |
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|
495 |
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|
496 return 0; |
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|
497 } |
db7c468c447d
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|
498 |
db7c468c447d
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|
499 return c1 - c2; |
db7c468c447d
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|
500 } |
db7c468c447d
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|
501 |
db7c468c447d
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|
502 return 0; |
db7c468c447d
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|
503 } |
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
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|
504 |
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
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changeset
|
505 |
1542
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
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parents:
1541
diff
changeset
|
506 u_char * |
f5bd1a7ed2cd
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1541
diff
changeset
|
507 ngx_strstrn(u_char *s1, char *s2, size_t n) |
f5bd1a7ed2cd
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changeset
|
508 { |
f5bd1a7ed2cd
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diff
changeset
|
509 u_char c1, c2; |
f5bd1a7ed2cd
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parents:
1541
diff
changeset
|
510 |
f5bd1a7ed2cd
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parents:
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diff
changeset
|
511 c2 = *(u_char *) s2++; |
f5bd1a7ed2cd
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parents:
1541
diff
changeset
|
512 |
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
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parents:
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diff
changeset
|
513 do { |
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
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parents:
1541
diff
changeset
|
514 do { |
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
515 c1 = *s1++; |
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
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parents:
1541
diff
changeset
|
516 |
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
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parents:
1541
diff
changeset
|
517 if (c1 == 0) { |
f5bd1a7ed2cd
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parents:
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diff
changeset
|
518 return NULL; |
f5bd1a7ed2cd
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parents:
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diff
changeset
|
519 } |
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
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parents:
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diff
changeset
|
520 |
f5bd1a7ed2cd
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parents:
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diff
changeset
|
521 } while (c1 != c2); |
f5bd1a7ed2cd
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parents:
1541
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changeset
|
522 |
f5bd1a7ed2cd
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parents:
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diff
changeset
|
523 } while (ngx_strncmp(s1, (u_char *) s2, n) != 0); |
f5bd1a7ed2cd
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parents:
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diff
changeset
|
524 |
f5bd1a7ed2cd
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parents:
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diff
changeset
|
525 return --s1; |
f5bd1a7ed2cd
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parents:
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diff
changeset
|
526 } |
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
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parents:
1541
diff
changeset
|
527 |
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
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parents:
1541
diff
changeset
|
528 |
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
529 u_char * |
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
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parents:
1541
diff
changeset
|
530 ngx_strcasestrn(u_char *s1, char *s2, size_t n) |
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
531 { |
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
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parents:
1541
diff
changeset
|
532 ngx_uint_t c1, c2; |
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
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parents:
1541
diff
changeset
|
533 |
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
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parents:
1541
diff
changeset
|
534 c2 = (ngx_uint_t) *s2++; |
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
535 c2 = (c2 >= 'A' && c2 <= 'Z') ? (c2 | 0x20) : c2; |
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
536 |
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
537 do { |
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
538 do { |
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
539 c1 = (ngx_uint_t) *s1++; |
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
540 |
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
541 if (c1 == 0) { |
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
542 return NULL; |
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
543 } |
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
544 |
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
545 c1 = (c1 >= 'A' && c1 <= 'Z') ? (c1 | 0x20) : c1; |
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
546 |
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
547 } while (c1 != c2); |
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
548 |
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
549 } while (ngx_strncasecmp(s1, (u_char *) s2, n) != 0); |
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
550 |
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
551 return --s1; |
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
552 } |
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
553 |
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
554 |
493 | 555 ngx_int_t |
556 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
|
557 { |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
558 if (n == 0) { |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
559 return 0; |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
560 } |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
561 |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
562 n--; |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
563 |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
564 for ( ;; ) { |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
565 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
|
566 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
|
567 } |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
568 |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
569 if (n == 0) { |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
570 return 0; |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
571 } |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
572 |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
573 n--; |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
574 } |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
575 } |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
576 |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
577 |
493 | 578 ngx_int_t |
579 ngx_rstrncasecmp(u_char *s1, u_char *s2, size_t n) | |
455 | 580 { |
581 u_char c1, c2; | |
582 | |
583 if (n == 0) { | |
584 return 0; | |
585 } | |
586 | |
587 n--; | |
588 | |
589 for ( ;; ) { | |
590 c1 = s1[n]; | |
591 if (c1 >= 'a' && c1 <= 'z') { | |
592 c1 -= 'a' - 'A'; | |
593 } | |
594 | |
595 c2 = s2[n]; | |
596 if (c2 >= 'a' && c2 <= 'z') { | |
597 c2 -= 'a' - 'A'; | |
598 } | |
599 | |
600 if (c1 != c2) { | |
601 return c1 - c2; | |
602 } | |
603 | |
604 if (n == 0) { | |
605 return 0; | |
606 } | |
607 | |
608 n--; | |
609 } | |
610 } | |
611 | |
612 | |
493 | 613 ngx_int_t |
1029
ce08bc4cb97b
ngx_strn2cmp() > ngx_memn2cmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1024
diff
changeset
|
614 ngx_memn2cmp(u_char *s1, u_char *s2, size_t n1, size_t n2) |
1024 | 615 { |
616 size_t n; | |
617 ngx_int_t m, z; | |
618 | |
619 if (n1 <= n2) { | |
620 n = n1; | |
621 z = -1; | |
622 | |
623 } else { | |
624 n = n2; | |
625 z = 1; | |
626 } | |
627 | |
1029
ce08bc4cb97b
ngx_strn2cmp() > ngx_memn2cmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1024
diff
changeset
|
628 m = ngx_memcmp(s1, s2, n); |
1024 | 629 |
630 if (m || n1 == n2) { | |
631 return m; | |
632 } | |
633 | |
634 return z; | |
635 } | |
636 | |
637 | |
638 ngx_int_t | |
493 | 639 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
|
640 { |
290
87e73f067470
nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
176
diff
changeset
|
641 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
|
642 |
84
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
643 if (n == 0) { |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
644 return NGX_ERROR; |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
645 } |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
646 |
69
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
647 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
|
648 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
|
649 return NGX_ERROR; |
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
650 } |
69
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
651 |
83
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
652 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
|
653 } |
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
654 |
83
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
655 if (value < 0) { |
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
656 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
|
657 |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
658 } else { |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
659 return value; |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
660 } |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
661 } |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
662 |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
663 |
501 | 664 ssize_t |
665 ngx_atosz(u_char *line, size_t n) | |
666 { | |
667 ssize_t value; | |
668 | |
669 if (n == 0) { | |
670 return NGX_ERROR; | |
671 } | |
672 | |
673 for (value = 0; n--; line++) { | |
674 if (*line < '0' || *line > '9') { | |
675 return NGX_ERROR; | |
676 } | |
677 | |
678 value = value * 10 + (*line - '0'); | |
679 } | |
680 | |
681 if (value < 0) { | |
682 return NGX_ERROR; | |
683 | |
684 } else { | |
685 return value; | |
686 } | |
687 } | |
688 | |
689 | |
690 off_t | |
691 ngx_atoof(u_char *line, size_t n) | |
692 { | |
693 off_t value; | |
694 | |
695 if (n == 0) { | |
696 return NGX_ERROR; | |
697 } | |
698 | |
699 for (value = 0; n--; line++) { | |
700 if (*line < '0' || *line > '9') { | |
701 return NGX_ERROR; | |
702 } | |
703 | |
704 value = value * 10 + (*line - '0'); | |
705 } | |
706 | |
707 if (value < 0) { | |
708 return NGX_ERROR; | |
709 | |
710 } else { | |
711 return value; | |
712 } | |
713 } | |
714 | |
715 | |
716 time_t | |
717 ngx_atotm(u_char *line, size_t n) | |
718 { | |
719 time_t value; | |
720 | |
721 if (n == 0) { | |
722 return NGX_ERROR; | |
723 } | |
724 | |
725 for (value = 0; n--; line++) { | |
726 if (*line < '0' || *line > '9') { | |
727 return NGX_ERROR; | |
728 } | |
729 | |
730 value = value * 10 + (*line - '0'); | |
731 } | |
732 | |
733 if (value < 0) { | |
734 return NGX_ERROR; | |
735 | |
736 } else { | |
737 return value; | |
738 } | |
739 } | |
740 | |
741 | |
493 | 742 ngx_int_t |
743 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
|
744 { |
783 | 745 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
|
746 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
|
747 |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
748 if (n == 0) { |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
749 return NGX_ERROR; |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
750 } |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
751 |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
752 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
|
753 ch = *line; |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
754 |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
755 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
|
756 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
|
757 continue; |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
758 } |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
759 |
783 | 760 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
|
761 |
783 | 762 if (c >= 'a' && c <= 'f') { |
763 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
|
764 continue; |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
765 } |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
766 |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
767 return NGX_ERROR; |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
768 } |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
769 |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
770 if (value < 0) { |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
771 return NGX_ERROR; |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
772 |
83
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
773 } else { |
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
774 return value; |
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
775 } |
69
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
776 } |
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
777 |
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
778 |
493 | 779 void |
780 ngx_md5_text(u_char *text, u_char *md5) | |
174
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
100
diff
changeset
|
781 { |
290
87e73f067470
nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
176
diff
changeset
|
782 int i; |
87e73f067470
nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
176
diff
changeset
|
783 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
|
784 |
176
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
785 for (i = 0; i < 16; i++) { |
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
786 *text++ = hex[md5[i] >> 4]; |
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
787 *text++ = hex[md5[i] & 0xf]; |
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
788 } |
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
789 |
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
790 *text = '\0'; |
174
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
100
diff
changeset
|
791 } |
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
100
diff
changeset
|
792 |
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
100
diff
changeset
|
793 |
493 | 794 void |
795 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
|
796 { |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
797 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
|
798 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
|
799 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
|
800 "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
801 |
409
8ac40cae79f0
nginx-0.0.10-2004-08-29-07:55:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
408
diff
changeset
|
802 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
|
803 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
|
804 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
|
805 |
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
806 while (len > 2) { |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
807 *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
|
808 *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
|
809 *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
|
810 *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
|
811 |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
812 s += 3; |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
813 len -= 3; |
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
814 } |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
815 |
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
816 if (len) { |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
817 *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
|
818 |
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
819 if (len == 1) { |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
820 *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
|
821 *d++ = '='; |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
822 |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
823 } else { |
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
824 *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
|
825 *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
|
826 } |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
827 |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
828 *d++ = '='; |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
829 } |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
830 |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
831 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
|
832 } |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
833 |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
834 |
493 | 835 ngx_int_t |
836 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
|
837 { |
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
838 size_t len; |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
839 u_char *d, *s; |
827 | 840 static u_char basis64[] = { |
841 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, | |
842 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, | |
843 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 62, 77, 77, 77, 63, | |
844 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 77, 77, 77, 77, 77, 77, | |
845 77, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, | |
846 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 77, 77, 77, 77, 77, | |
847 77, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, | |
848 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
|
849 |
827 | 850 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, |
851 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, | |
852 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, | |
853 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, | |
854 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, | |
855 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, | |
856 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, | |
857 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77 | |
858 }; | |
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
859 |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
860 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
|
861 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
|
862 break; |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
863 } |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
864 |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
865 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
|
866 return NGX_ERROR; |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
867 } |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
868 } |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
869 |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
870 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
|
871 return NGX_ERROR; |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
872 } |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
873 |
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
874 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
|
875 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
|
876 |
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
877 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
|
878 *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
|
879 *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
|
880 *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
|
881 |
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
882 s += 4; |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
883 len -= 4; |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
884 } |
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
885 |
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
886 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
|
887 *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
|
888 } |
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
889 |
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
890 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
|
891 *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
|
892 } |
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
893 |
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
894 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
|
895 |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
896 return NGX_OK; |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
897 } |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
898 |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
899 |
657 | 900 /* |
901 * ngx_utf_decode() decodes two and more bytes UTF sequences only | |
902 * the return values: | |
903 * 0x80 - 0x10ffff valid character | |
904 * 0x10ffff - 0xfffffffd invalid sequence | |
905 * 0xfffffffe incomplete sequence | |
906 * 0xffffffff error | |
907 */ | |
908 | |
909 uint32_t | |
910 ngx_utf_decode(u_char **p, size_t n) | |
911 { | |
912 size_t len; | |
913 uint32_t u, i, valid; | |
914 | |
915 u = **p; | |
916 | |
917 if (u > 0xf0) { | |
918 | |
919 u &= 0x07; | |
920 valid = 0xffff; | |
921 len = 3; | |
922 | |
923 } else if (u > 0xe0) { | |
924 | |
925 u &= 0x0f; | |
926 valid = 0x7ff; | |
927 len = 2; | |
928 | |
929 } else if (u > 0xc0) { | |
930 | |
931 u &= 0x1f; | |
932 valid = 0x7f; | |
933 len = 1; | |
934 | |
935 } else { | |
936 (*p)++; | |
937 return 0xffffffff; | |
938 } | |
939 | |
940 if (n - 1 < len) { | |
941 return 0xfffffffe; | |
942 } | |
943 | |
944 (*p)++; | |
945 | |
946 while (len) { | |
947 i = *(*p)++; | |
948 | |
949 if (i < 0x80) { | |
950 return 0xffffffff; | |
951 } | |
952 | |
953 u = (u << 6) | (i & 0x3f); | |
954 | |
955 len--; | |
956 } | |
957 | |
958 if (u > valid) { | |
959 return u; | |
960 } | |
961 | |
962 return 0xffffffff; | |
963 } | |
964 | |
965 | |
523 | 966 size_t |
657 | 967 ngx_utf_length(u_char *p, size_t n) |
523 | 968 { |
969 u_char c; | |
970 size_t len; | |
971 ngx_uint_t i; | |
972 | |
657 | 973 for (len = 0, i = 0; i < n; len++, i++) { |
523 | 974 |
657 | 975 c = p[i]; |
523 | 976 |
977 if (c < 0x80) { | |
978 continue; | |
979 } | |
980 | |
527 | 981 if (c >= 0xc0) { |
982 for (c <<= 1; c & 0x80; c <<= 1) { | |
983 i++; | |
984 } | |
985 | |
986 continue; | |
523 | 987 } |
988 | |
527 | 989 /* invalid utf */ |
990 | |
657 | 991 return n; |
523 | 992 } |
993 | |
994 return len; | |
995 } | |
996 | |
997 | |
527 | 998 u_char * |
999 ngx_utf_cpystrn(u_char *dst, u_char *src, size_t n) | |
1000 { | |
1001 u_char c; | |
1002 | |
1003 if (n == 0) { | |
1004 return dst; | |
1005 } | |
1006 | |
1007 for ( /* void */ ; --n; dst++, src++) { | |
1008 | |
1009 c = *src; | |
1010 *dst = c; | |
1011 | |
1012 if (c < 0x80) { | |
1013 if (*dst != '\0') { | |
1014 continue; | |
1015 } | |
1016 | |
1017 return dst; | |
1018 } | |
1019 | |
1020 if (c >= 0xc0) { | |
1021 for (c <<= 1; c & 0x80; c <<= 1) { | |
1022 *++dst = *++src; | |
1023 } | |
1024 | |
1025 continue; | |
1026 } | |
1027 | |
1028 /* invalid utf */ | |
1029 } | |
1030 | |
1031 *dst = '\0'; | |
1032 | |
1033 return dst; | |
1034 } | |
1035 | |
1036 | |
493 | 1037 uintptr_t |
1038 ngx_escape_uri(u_char *dst, u_char *src, size_t size, ngx_uint_t type) | |
69
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1039 { |
827 | 1040 ngx_uint_t i, n; |
1041 uint32_t *escape; | |
1042 static u_char hex[] = "0123456789abcdef"; | |
461 | 1043 |
827 | 1044 /* " ", "#", "%", "?", %00-%1F, %7F-%FF */ |
485 | 1045 |
827 | 1046 static uint32_t uri[] = { |
1047 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
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|
1048 |
827 | 1049 /* ?>=< ;:98 7654 3210 /.-, +*)( '&%$ #"! */ |
1050 0x80000029, /* 1000 0000 0000 0000 0000 0000 0010 1001 */ | |
1051 | |
1052 /* _^]\ [ZYX WVUT SRQP ONML KJIH GFED CBA@ */ | |
1053 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */ | |
452 | 1054 |
827 | 1055 /* ~}| {zyx wvut srqp onml kjih gfed cba` */ |
1056 0x80000000, /* 1000 0000 0000 0000 0000 0000 0000 0000 */ | |
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|
1057 |
827 | 1058 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ |
1059 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
1060 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
1061 0xffffffff /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
1062 }; | |
452 | 1063 |
827 | 1064 /* " ", "#", "%", "+", "?", %00-%1F, %7F-%FF */ |
485 | 1065 |
827 | 1066 static uint32_t args[] = { |
1067 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
1068 | |
1069 /* ?>=< ;:98 7654 3210 /.-, +*)( '&%$ #"! */ | |
1070 0x80000829, /* 1000 0000 0000 0000 0000 1000 0010 1001 */ | |
485 | 1071 |
827 | 1072 /* _^]\ [ZYX WVUT SRQP ONML KJIH GFED CBA@ */ |
1073 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */ | |
485 | 1074 |
827 | 1075 /* ~}| {zyx wvut srqp onml kjih gfed cba` */ |
1076 0x80000000, /* 1000 0000 0000 0000 0000 0000 0000 0000 */ | |
485 | 1077 |
827 | 1078 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ |
1079 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
1080 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
1081 0xffffffff /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
1082 }; | |
485 | 1083 |
1405
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|
1084 /* " ", "#", """, "%", "'", %00-%1F, %7F-%FF */ |
485 | 1085 |
827 | 1086 static uint32_t html[] = { |
1087 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
461 | 1088 |
827 | 1089 /* ?>=< ;:98 7654 3210 /.-, +*)( '&%$ #"! */ |
1297 | 1090 0x000000ad, /* 0000 0000 0000 0000 0000 0000 1010 1101 */ |
827 | 1091 |
1092 /* _^]\ [ZYX WVUT SRQP ONML KJIH GFED CBA@ */ | |
1093 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */ | |
461 | 1094 |
827 | 1095 /* ~}| {zyx wvut srqp onml kjih gfed cba` */ |
1096 0x80000000, /* 1000 0000 0000 0000 0000 0000 0000 0000 */ | |
461 | 1097 |
827 | 1098 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ |
1099 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
1100 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
1101 0xffffffff /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
1102 }; | |
461 | 1103 |
1405
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escape " ", "%", and %00-%1F in login and password
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1104 /* " ", """, "%", "'", %00-%1F, %7F-%FF */ |
461 | 1105 |
1298
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1106 static uint32_t refresh[] = { |
458e041fc902
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1107 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ |
458e041fc902
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1108 |
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1109 /* ?>=< ;:98 7654 3210 /.-, +*)( '&%$ #"! */ |
1405
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1110 0x000000a5, /* 0000 0000 0000 0000 0000 0000 1010 0101 */ |
1298
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1111 |
458e041fc902
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1112 /* _^]\ [ZYX WVUT SRQP ONML KJIH GFED CBA@ */ |
458e041fc902
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1113 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */ |
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1114 |
458e041fc902
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1115 /* ~}| {zyx wvut srqp onml kjih gfed cba` */ |
458e041fc902
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1116 0x80000000, /* 1000 0000 0000 0000 0000 0000 0000 0000 */ |
458e041fc902
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1117 |
458e041fc902
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1118 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ |
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
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|
1119 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ |
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
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1120 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ |
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
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1121 0xffffffff /* 1111 1111 1111 1111 1111 1111 1111 1111 */ |
458e041fc902
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|
1122 }; |
458e041fc902
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|
1123 |
1405
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escape " ", "%", and %00-%1F in login and password
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|
1124 /* " ", "%", %00-%1F */ |
1333
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
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|
1125 |
07ebeeb55700
escape space, etc in $memcached_key
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diff
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|
1126 static uint32_t memcached[] = { |
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
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|
1127 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
|
1128 |
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
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1310
diff
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|
1129 /* ?>=< ;:98 7654 3210 /.-, +*)( '&%$ #"! */ |
1405
fdd064faf26a
escape " ", "%", and %00-%1F in login and password
Igor Sysoev <igor@sysoev.ru>
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diff
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|
1130 0x00000021, /* 0000 0000 0000 0000 0000 0000 0010 0001 */ |
1333
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
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1310
diff
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|
1131 |
07ebeeb55700
escape space, etc in $memcached_key
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|
1132 /* _^]\ [ZYX WVUT SRQP ONML KJIH GFED CBA@ */ |
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
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|
1133 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */ |
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
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1310
diff
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|
1134 |
07ebeeb55700
escape space, etc in $memcached_key
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diff
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|
1135 /* ~}| {zyx wvut srqp onml kjih gfed cba` */ |
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
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|
1136 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */ |
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
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1310
diff
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|
1137 |
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
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diff
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|
1138 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
|
1139 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
|
1140 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
|
1141 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */ |
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
1142 }; |
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
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diff
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|
1143 |
1405
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escape " ", "%", and %00-%1F in login and password
Igor Sysoev <igor@sysoev.ru>
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diff
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|
1144 /* mail_auth is the same as memcached */ |
fdd064faf26a
escape " ", "%", and %00-%1F in login and password
Igor Sysoev <igor@sysoev.ru>
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1333
diff
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|
1145 |
fdd064faf26a
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Igor Sysoev <igor@sysoev.ru>
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|
1146 static uint32_t *map[] = |
fdd064faf26a
escape " ", "%", and %00-%1F in login and password
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
1147 { uri, args, html, refresh, memcached, memcached }; |
1298
458e041fc902
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Igor Sysoev <igor@sysoev.ru>
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|
1148 |
458e041fc902
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|
1149 |
458e041fc902
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|
1150 escape = map[type]; |
461 | 1151 |
452 | 1152 if (dst == NULL) { |
1153 | |
1154 /* find the number of the characters to be escaped */ | |
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|
1155 |
452 | 1156 n = 0; |
1157 | |
1158 for (i = 0; i < size; i++) { | |
1159 if (escape[*src >> 5] & (1 << (*src & 0x1f))) { | |
1160 n++; | |
1161 } | |
1162 src++; | |
1163 } | |
1164 | |
485 | 1165 return (uintptr_t) n; |
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|
1166 } |
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diff
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|
1167 |
452 | 1168 for (i = 0; i < size; i++) { |
1169 if (escape[*src >> 5] & (1 << (*src & 0x1f))) { | |
1170 *dst++ = '%'; | |
1171 *dst++ = hex[*src >> 4]; | |
1172 *dst++ = hex[*src & 0xf]; | |
1173 src++; | |
69
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|
1174 |
452 | 1175 } else { |
1176 *dst++ = *src++; | |
1177 } | |
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|
1178 } |
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diff
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|
1179 |
485 | 1180 return (uintptr_t) dst; |
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|
1181 } |
577 | 1182 |
1183 | |
1184 void | |
601 | 1185 ngx_unescape_uri(u_char **dst, u_char **src, size_t size, ngx_uint_t type) |
577 | 1186 { |
1187 u_char *d, *s, ch, c, decoded; | |
1188 enum { | |
1189 sw_usual = 0, | |
1190 sw_quoted, | |
1191 sw_quoted_second | |
1192 } state; | |
1193 | |
1194 d = *dst; | |
1195 s = *src; | |
1196 | |
1197 state = 0; | |
1198 decoded = 0; | |
1199 | |
1200 while (size--) { | |
1201 | |
1202 ch = *s++; | |
1203 | |
1204 switch (state) { | |
1205 case sw_usual: | |
601 | 1206 if (ch == '?' && type == NGX_UNESCAPE_URI) { |
577 | 1207 *d++ = ch; |
1208 goto done; | |
1209 } | |
1210 | |
1211 if (ch == '%') { | |
1212 state = sw_quoted; | |
1213 break; | |
1214 } | |
1215 | |
1216 *d++ = ch; | |
1217 break; | |
1218 | |
1219 case sw_quoted: | |
1220 | |
1221 if (ch >= '0' && ch <= '9') { | |
1222 decoded = (u_char) (ch - '0'); | |
1223 state = sw_quoted_second; | |
1224 break; | |
1225 } | |
1226 | |
1227 c = (u_char) (ch | 0x20); | |
1228 if (c >= 'a' && c <= 'f') { | |
1229 decoded = (u_char) (c - 'a' + 10); | |
1230 state = sw_quoted_second; | |
1231 break; | |
1232 } | |
1233 | |
589 | 1234 /* the invalid quoted character */ |
577 | 1235 |
589 | 1236 state = sw_usual; |
1237 | |
1238 *d++ = ch; | |
577 | 1239 |
1240 break; | |
1241 | |
1242 case sw_quoted_second: | |
1243 | |
589 | 1244 state = sw_usual; |
1245 | |
577 | 1246 if (ch >= '0' && ch <= '9') { |
1247 ch = (u_char) ((decoded << 4) + ch - '0'); | |
1248 | |
601 | 1249 if (type == NGX_UNESCAPE_URI) { |
1250 if (ch > '%' && ch < 0x7f) { | |
1251 *d++ = ch; | |
1252 break; | |
1253 } | |
1254 | |
1255 *d++ = '%'; *d++ = *(s - 2); *d++ = *(s - 1); | |
1256 | |
577 | 1257 break; |
1258 } | |
1259 | |
601 | 1260 *d++ = ch; |
577 | 1261 |
1262 break; | |
1263 } | |
1264 | |
1265 c = (u_char) (ch | 0x20); | |
1266 if (c >= 'a' && c <= 'f') { | |
1267 ch = (u_char) ((decoded << 4) + c - 'a' + 10); | |
1268 | |
601 | 1269 if (type == NGX_UNESCAPE_URI) { |
1270 if (ch == '?') { | |
1271 *d++ = ch; | |
1272 goto done; | |
1273 } | |
577 | 1274 |
601 | 1275 if (ch > '%' && ch < 0x7f) { |
1276 *d++ = ch; | |
1277 break; | |
1278 } | |
1279 | |
1280 *d++ = '%'; *d++ = *(s - 2); *d++ = *(s - 1); | |
577 | 1281 break; |
1282 } | |
1283 | |
601 | 1284 *d++ = ch; |
577 | 1285 |
1286 break; | |
1287 } | |
1288 | |
589 | 1289 /* the invalid quoted character */ |
577 | 1290 |
1291 break; | |
1292 } | |
1293 } | |
1294 | |
1295 done: | |
1296 | |
1297 *dst = d; | |
1298 *src = s; | |
1299 } | |
583 | 1300 |
1301 | |
1544 | 1302 uintptr_t |
1303 ngx_escape_html(u_char *dst, u_char *src, size_t size) | |
1304 { | |
1305 u_char ch; | |
1306 ngx_uint_t i, len; | |
1307 | |
1308 if (dst == NULL) { | |
1309 | |
1310 len = 0; | |
1311 | |
1312 for (i = 0; i < size; i++) { | |
1313 switch (*src++) { | |
1314 | |
1315 case '<': | |
1316 len += sizeof("<") - 2; | |
1317 break; | |
1318 | |
1319 case '>': | |
1320 len += sizeof(">") - 2; | |
1321 break; | |
1322 | |
1323 case '&': | |
1324 len += sizeof("&") - 2; | |
1325 break; | |
1326 | |
1327 default: | |
1328 break; | |
1329 } | |
1330 } | |
1331 | |
1332 return (uintptr_t) len; | |
1333 } | |
1334 | |
1335 for (i = 0; i < size; i++) { | |
1336 ch = *src++; | |
1337 | |
1338 switch (ch) { | |
1339 | |
1340 case '<': | |
1341 *dst++ = '&'; *dst++ = 'l'; *dst++ = 't'; *dst++ = ';'; | |
1342 break; | |
1343 | |
1344 case '>': | |
1345 *dst++ = '&'; *dst++ = 'g'; *dst++ = 't'; *dst++ = ';'; | |
1346 break; | |
1347 | |
1348 case '&': | |
1349 *dst++ = '&'; *dst++ = 'a'; *dst++ = 'm'; *dst++ = 'p'; | |
1350 *dst++ = ';'; | |
1351 break; | |
1352 | |
1353 default: | |
1354 *dst++ = ch; | |
1355 break; | |
1356 } | |
1357 } | |
1358 | |
1359 return (uintptr_t) dst; | |
1360 } | |
1361 | |
1362 | |
1208 | 1363 /* ngx_sort() is implemented as insertion sort because we need stable sort */ |
1364 | |
1365 void | |
1366 ngx_sort(void *base, size_t n, size_t size, | |
1367 int (*cmp)(const void *, const void *)) | |
1368 { | |
1369 u_char *p1, *p2; | |
1370 u_char buf[256]; | |
1371 | |
1372 for (p1 = (u_char *) base + size; | |
1373 p1 < (u_char *) base + n * size; | |
1374 p1 += size) | |
1375 { | |
1376 ngx_memcpy(buf, p1, size); | |
1377 | |
1378 for (p2 = p1; | |
1379 p2 > (u_char *) base && cmp(p2 - size, buf) > 0; | |
1380 p2 -= size) | |
1381 { | |
1382 ngx_memcpy(p2, p2 - size, size); | |
1383 } | |
1384 | |
1385 ngx_memcpy(p2, buf, size); | |
1386 } | |
1387 } | |
1388 | |
1389 | |
583 | 1390 #if (NGX_MEMCPY_LIMIT) |
1391 | |
1392 void * | |
1393 ngx_memcpy(void *dst, void *src, size_t n) | |
1394 { | |
1395 if (n > NGX_MEMCPY_LIMIT) { | |
1396 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0, "memcpy %uz bytes", n); | |
1397 ngx_debug_point(); | |
1398 } | |
1399 | |
1400 return memcpy(dst, src, n); | |
1401 } | |
1402 | |
1403 #endif |