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annotate src/core/ngx_string.c @ 1550:d0bdd5f2276e
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author | Igor Sysoev <igor@sysoev.ru> |
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date | Mon, 01 Oct 2007 13:00:30 +0000 |
parents | 998c44b19e30 |
children | f045c67ab622 |
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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27 |
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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++; |
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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 } |
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|
498 |
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499 return c1 - c2; |
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500 } |
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|
501 |
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502 return 0; |
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503 } |
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|
504 |
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505 |
1550 | 506 /* |
507 * ngx_strstrn() and ngx_strcasestrn() are intended to search for static | |
508 * substring with known length in null-terminated string. The argument n | |
509 * must be length of the second substring - 1. | |
510 */ | |
511 | |
1542
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512 u_char * |
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513 ngx_strstrn(u_char *s1, char *s2, size_t n) |
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514 { |
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515 u_char c1, c2; |
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|
516 |
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|
517 c2 = *(u_char *) s2++; |
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|
518 |
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|
519 do { |
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|
520 do { |
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changeset
|
521 c1 = *s1++; |
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|
522 |
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|
523 if (c1 == 0) { |
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|
524 return NULL; |
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|
525 } |
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|
526 |
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|
527 } while (c1 != c2); |
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|
528 |
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|
529 } while (ngx_strncmp(s1, (u_char *) s2, n) != 0); |
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|
530 |
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changeset
|
531 return --s1; |
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parents:
1541
diff
changeset
|
532 } |
f5bd1a7ed2cd
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changeset
|
533 |
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|
534 |
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changeset
|
535 u_char * |
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1541
diff
changeset
|
536 ngx_strcasestrn(u_char *s1, char *s2, size_t n) |
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|
537 { |
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parents:
1541
diff
changeset
|
538 ngx_uint_t c1, c2; |
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diff
changeset
|
539 |
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diff
changeset
|
540 c2 = (ngx_uint_t) *s2++; |
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parents:
1541
diff
changeset
|
541 c2 = (c2 >= 'A' && c2 <= 'Z') ? (c2 | 0x20) : c2; |
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
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diff
changeset
|
542 |
f5bd1a7ed2cd
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|
543 do { |
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changeset
|
544 do { |
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parents:
1541
diff
changeset
|
545 c1 = (ngx_uint_t) *s1++; |
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|
546 |
f5bd1a7ed2cd
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parents:
1541
diff
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|
547 if (c1 == 0) { |
f5bd1a7ed2cd
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parents:
1541
diff
changeset
|
548 return NULL; |
f5bd1a7ed2cd
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parents:
1541
diff
changeset
|
549 } |
f5bd1a7ed2cd
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parents:
1541
diff
changeset
|
550 |
f5bd1a7ed2cd
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parents:
1541
diff
changeset
|
551 c1 = (c1 >= 'A' && c1 <= 'Z') ? (c1 | 0x20) : c1; |
f5bd1a7ed2cd
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parents:
1541
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|
552 |
f5bd1a7ed2cd
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parents:
1541
diff
changeset
|
553 } while (c1 != c2); |
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
554 |
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
555 } while (ngx_strncasecmp(s1, (u_char *) s2, n) != 0); |
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
556 |
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
557 return --s1; |
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
558 } |
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
559 |
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
560 |
493 | 561 ngx_int_t |
562 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
|
563 { |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
564 if (n == 0) { |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
565 return 0; |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
566 } |
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 n--; |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
569 |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
570 for ( ;; ) { |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
571 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
|
572 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
|
573 } |
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 if (n == 0) { |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
576 return 0; |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
577 } |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
578 |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
579 n--; |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
580 } |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
581 } |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
582 |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
583 |
493 | 584 ngx_int_t |
585 ngx_rstrncasecmp(u_char *s1, u_char *s2, size_t n) | |
455 | 586 { |
587 u_char c1, c2; | |
588 | |
589 if (n == 0) { | |
590 return 0; | |
591 } | |
592 | |
593 n--; | |
594 | |
595 for ( ;; ) { | |
596 c1 = s1[n]; | |
597 if (c1 >= 'a' && c1 <= 'z') { | |
598 c1 -= 'a' - 'A'; | |
599 } | |
600 | |
601 c2 = s2[n]; | |
602 if (c2 >= 'a' && c2 <= 'z') { | |
603 c2 -= 'a' - 'A'; | |
604 } | |
605 | |
606 if (c1 != c2) { | |
607 return c1 - c2; | |
608 } | |
609 | |
610 if (n == 0) { | |
611 return 0; | |
612 } | |
613 | |
614 n--; | |
615 } | |
616 } | |
617 | |
618 | |
493 | 619 ngx_int_t |
1029
ce08bc4cb97b
ngx_strn2cmp() > ngx_memn2cmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1024
diff
changeset
|
620 ngx_memn2cmp(u_char *s1, u_char *s2, size_t n1, size_t n2) |
1024 | 621 { |
622 size_t n; | |
623 ngx_int_t m, z; | |
624 | |
625 if (n1 <= n2) { | |
626 n = n1; | |
627 z = -1; | |
628 | |
629 } else { | |
630 n = n2; | |
631 z = 1; | |
632 } | |
633 | |
1029
ce08bc4cb97b
ngx_strn2cmp() > ngx_memn2cmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1024
diff
changeset
|
634 m = ngx_memcmp(s1, s2, n); |
1024 | 635 |
636 if (m || n1 == n2) { | |
637 return m; | |
638 } | |
639 | |
640 return z; | |
641 } | |
642 | |
643 | |
644 ngx_int_t | |
493 | 645 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
|
646 { |
290
87e73f067470
nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
176
diff
changeset
|
647 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
|
648 |
84
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
649 if (n == 0) { |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
650 return NGX_ERROR; |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
651 } |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
652 |
69
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
653 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
|
654 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
|
655 return NGX_ERROR; |
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
656 } |
69
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
657 |
83
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
658 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
|
659 } |
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
660 |
83
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
661 if (value < 0) { |
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
662 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
|
663 |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
664 } else { |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
665 return value; |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
666 } |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
667 } |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
668 |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
669 |
501 | 670 ssize_t |
671 ngx_atosz(u_char *line, size_t n) | |
672 { | |
673 ssize_t value; | |
674 | |
675 if (n == 0) { | |
676 return NGX_ERROR; | |
677 } | |
678 | |
679 for (value = 0; n--; line++) { | |
680 if (*line < '0' || *line > '9') { | |
681 return NGX_ERROR; | |
682 } | |
683 | |
684 value = value * 10 + (*line - '0'); | |
685 } | |
686 | |
687 if (value < 0) { | |
688 return NGX_ERROR; | |
689 | |
690 } else { | |
691 return value; | |
692 } | |
693 } | |
694 | |
695 | |
696 off_t | |
697 ngx_atoof(u_char *line, size_t n) | |
698 { | |
699 off_t value; | |
700 | |
701 if (n == 0) { | |
702 return NGX_ERROR; | |
703 } | |
704 | |
705 for (value = 0; n--; line++) { | |
706 if (*line < '0' || *line > '9') { | |
707 return NGX_ERROR; | |
708 } | |
709 | |
710 value = value * 10 + (*line - '0'); | |
711 } | |
712 | |
713 if (value < 0) { | |
714 return NGX_ERROR; | |
715 | |
716 } else { | |
717 return value; | |
718 } | |
719 } | |
720 | |
721 | |
722 time_t | |
723 ngx_atotm(u_char *line, size_t n) | |
724 { | |
725 time_t value; | |
726 | |
727 if (n == 0) { | |
728 return NGX_ERROR; | |
729 } | |
730 | |
731 for (value = 0; n--; line++) { | |
732 if (*line < '0' || *line > '9') { | |
733 return NGX_ERROR; | |
734 } | |
735 | |
736 value = value * 10 + (*line - '0'); | |
737 } | |
738 | |
739 if (value < 0) { | |
740 return NGX_ERROR; | |
741 | |
742 } else { | |
743 return value; | |
744 } | |
745 } | |
746 | |
747 | |
493 | 748 ngx_int_t |
749 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
|
750 { |
783 | 751 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
|
752 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
|
753 |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
754 if (n == 0) { |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
755 return NGX_ERROR; |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
756 } |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
757 |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
758 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
|
759 ch = *line; |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
760 |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
761 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
|
762 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
|
763 continue; |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
764 } |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
765 |
783 | 766 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
|
767 |
783 | 768 if (c >= 'a' && c <= 'f') { |
769 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
|
770 continue; |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
771 } |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
772 |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
773 return NGX_ERROR; |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
774 } |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
775 |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
776 if (value < 0) { |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
777 return NGX_ERROR; |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
778 |
83
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
779 } else { |
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
780 return value; |
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
781 } |
69
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
782 } |
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
783 |
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
784 |
493 | 785 void |
786 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
|
787 { |
290
87e73f067470
nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
176
diff
changeset
|
788 int i; |
87e73f067470
nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
176
diff
changeset
|
789 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
|
790 |
176
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
791 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
|
792 *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
|
793 *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
|
794 } |
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
795 |
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
796 *text = '\0'; |
174
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
100
diff
changeset
|
797 } |
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
100
diff
changeset
|
798 |
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
100
diff
changeset
|
799 |
493 | 800 void |
801 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
|
802 { |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
803 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
|
804 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
|
805 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
|
806 "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
807 |
409
8ac40cae79f0
nginx-0.0.10-2004-08-29-07:55:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
408
diff
changeset
|
808 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
|
809 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
|
810 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
|
811 |
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
812 while (len > 2) { |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
813 *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
|
814 *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
|
815 *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
|
816 *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
|
817 |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
818 s += 3; |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
819 len -= 3; |
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
820 } |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
821 |
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
822 if (len) { |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
823 *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
|
824 |
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
825 if (len == 1) { |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
826 *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
|
827 *d++ = '='; |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
828 |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
829 } else { |
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
830 *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
|
831 *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
|
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 *d++ = '='; |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
835 } |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
836 |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
837 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
|
838 } |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
839 |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
840 |
493 | 841 ngx_int_t |
842 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
|
843 { |
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
844 size_t len; |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
845 u_char *d, *s; |
827 | 846 static u_char basis64[] = { |
847 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, | |
848 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, | |
849 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 62, 77, 77, 77, 63, | |
850 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 77, 77, 77, 77, 77, 77, | |
851 77, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, | |
852 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 77, 77, 77, 77, 77, | |
853 77, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, | |
854 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
|
855 |
827 | 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 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, | |
859 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, | |
860 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, | |
861 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, | |
862 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, | |
863 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77 | |
864 }; | |
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
865 |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
866 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
|
867 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
|
868 break; |
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 |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
871 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
|
872 return NGX_ERROR; |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
873 } |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
874 } |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
875 |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
876 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
|
877 return NGX_ERROR; |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
878 } |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
879 |
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
880 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
|
881 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
|
882 |
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
883 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
|
884 *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
|
885 *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
|
886 *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
|
887 |
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
888 s += 4; |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
889 len -= 4; |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
890 } |
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
891 |
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
892 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
|
893 *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
|
894 } |
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
895 |
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
896 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
|
897 *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
|
898 } |
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
899 |
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
900 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
|
901 |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
902 return NGX_OK; |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
903 } |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
904 |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
905 |
657 | 906 /* |
907 * ngx_utf_decode() decodes two and more bytes UTF sequences only | |
908 * the return values: | |
909 * 0x80 - 0x10ffff valid character | |
910 * 0x10ffff - 0xfffffffd invalid sequence | |
911 * 0xfffffffe incomplete sequence | |
912 * 0xffffffff error | |
913 */ | |
914 | |
915 uint32_t | |
916 ngx_utf_decode(u_char **p, size_t n) | |
917 { | |
918 size_t len; | |
919 uint32_t u, i, valid; | |
920 | |
921 u = **p; | |
922 | |
923 if (u > 0xf0) { | |
924 | |
925 u &= 0x07; | |
926 valid = 0xffff; | |
927 len = 3; | |
928 | |
929 } else if (u > 0xe0) { | |
930 | |
931 u &= 0x0f; | |
932 valid = 0x7ff; | |
933 len = 2; | |
934 | |
935 } else if (u > 0xc0) { | |
936 | |
937 u &= 0x1f; | |
938 valid = 0x7f; | |
939 len = 1; | |
940 | |
941 } else { | |
942 (*p)++; | |
943 return 0xffffffff; | |
944 } | |
945 | |
946 if (n - 1 < len) { | |
947 return 0xfffffffe; | |
948 } | |
949 | |
950 (*p)++; | |
951 | |
952 while (len) { | |
953 i = *(*p)++; | |
954 | |
955 if (i < 0x80) { | |
956 return 0xffffffff; | |
957 } | |
958 | |
959 u = (u << 6) | (i & 0x3f); | |
960 | |
961 len--; | |
962 } | |
963 | |
964 if (u > valid) { | |
965 return u; | |
966 } | |
967 | |
968 return 0xffffffff; | |
969 } | |
970 | |
971 | |
523 | 972 size_t |
657 | 973 ngx_utf_length(u_char *p, size_t n) |
523 | 974 { |
975 u_char c; | |
976 size_t len; | |
977 ngx_uint_t i; | |
978 | |
657 | 979 for (len = 0, i = 0; i < n; len++, i++) { |
523 | 980 |
657 | 981 c = p[i]; |
523 | 982 |
983 if (c < 0x80) { | |
984 continue; | |
985 } | |
986 | |
527 | 987 if (c >= 0xc0) { |
988 for (c <<= 1; c & 0x80; c <<= 1) { | |
989 i++; | |
990 } | |
991 | |
992 continue; | |
523 | 993 } |
994 | |
527 | 995 /* invalid utf */ |
996 | |
657 | 997 return n; |
523 | 998 } |
999 | |
1000 return len; | |
1001 } | |
1002 | |
1003 | |
527 | 1004 u_char * |
1005 ngx_utf_cpystrn(u_char *dst, u_char *src, size_t n) | |
1006 { | |
1007 u_char c; | |
1008 | |
1009 if (n == 0) { | |
1010 return dst; | |
1011 } | |
1012 | |
1013 for ( /* void */ ; --n; dst++, src++) { | |
1014 | |
1015 c = *src; | |
1016 *dst = c; | |
1017 | |
1018 if (c < 0x80) { | |
1019 if (*dst != '\0') { | |
1020 continue; | |
1021 } | |
1022 | |
1023 return dst; | |
1024 } | |
1025 | |
1026 if (c >= 0xc0) { | |
1027 for (c <<= 1; c & 0x80; c <<= 1) { | |
1028 *++dst = *++src; | |
1029 } | |
1030 | |
1031 continue; | |
1032 } | |
1033 | |
1034 /* invalid utf */ | |
1035 } | |
1036 | |
1037 *dst = '\0'; | |
1038 | |
1039 return dst; | |
1040 } | |
1041 | |
1042 | |
493 | 1043 uintptr_t |
1044 ngx_escape_uri(u_char *dst, u_char *src, size_t size, ngx_uint_t type) | |
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1045 { |
827 | 1046 ngx_uint_t i, n; |
1047 uint32_t *escape; | |
1048 static u_char hex[] = "0123456789abcdef"; | |
461 | 1049 |
827 | 1050 /* " ", "#", "%", "?", %00-%1F, %7F-%FF */ |
485 | 1051 |
827 | 1052 static uint32_t uri[] = { |
1053 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
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1054 |
827 | 1055 /* ?>=< ;:98 7654 3210 /.-, +*)( '&%$ #"! */ |
1056 0x80000029, /* 1000 0000 0000 0000 0000 0000 0010 1001 */ | |
1057 | |
1058 /* _^]\ [ZYX WVUT SRQP ONML KJIH GFED CBA@ */ | |
1059 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */ | |
452 | 1060 |
827 | 1061 /* ~}| {zyx wvut srqp onml kjih gfed cba` */ |
1062 0x80000000, /* 1000 0000 0000 0000 0000 0000 0000 0000 */ | |
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1063 |
827 | 1064 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ |
1065 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
1066 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
1067 0xffffffff /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
1068 }; | |
452 | 1069 |
827 | 1070 /* " ", "#", "%", "+", "?", %00-%1F, %7F-%FF */ |
485 | 1071 |
827 | 1072 static uint32_t args[] = { |
1073 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
1074 | |
1075 /* ?>=< ;:98 7654 3210 /.-, +*)( '&%$ #"! */ | |
1076 0x80000829, /* 1000 0000 0000 0000 0000 1000 0010 1001 */ | |
485 | 1077 |
827 | 1078 /* _^]\ [ZYX WVUT SRQP ONML KJIH GFED CBA@ */ |
1079 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */ | |
485 | 1080 |
827 | 1081 /* ~}| {zyx wvut srqp onml kjih gfed cba` */ |
1082 0x80000000, /* 1000 0000 0000 0000 0000 0000 0000 0000 */ | |
485 | 1083 |
827 | 1084 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ |
1085 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
1086 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
1087 0xffffffff /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
1088 }; | |
485 | 1089 |
1405
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1090 /* " ", "#", """, "%", "'", %00-%1F, %7F-%FF */ |
485 | 1091 |
827 | 1092 static uint32_t html[] = { |
1093 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
461 | 1094 |
827 | 1095 /* ?>=< ;:98 7654 3210 /.-, +*)( '&%$ #"! */ |
1297 | 1096 0x000000ad, /* 0000 0000 0000 0000 0000 0000 1010 1101 */ |
827 | 1097 |
1098 /* _^]\ [ZYX WVUT SRQP ONML KJIH GFED CBA@ */ | |
1099 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */ | |
461 | 1100 |
827 | 1101 /* ~}| {zyx wvut srqp onml kjih gfed cba` */ |
1102 0x80000000, /* 1000 0000 0000 0000 0000 0000 0000 0000 */ | |
461 | 1103 |
827 | 1104 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ |
1105 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
1106 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
1107 0xffffffff /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
1108 }; | |
461 | 1109 |
1405
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escape " ", "%", and %00-%1F in login and password
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1110 /* " ", """, "%", "'", %00-%1F, %7F-%FF */ |
461 | 1111 |
1298
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1112 static uint32_t refresh[] = { |
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1113 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ |
458e041fc902
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1114 |
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1115 /* ?>=< ;:98 7654 3210 /.-, +*)( '&%$ #"! */ |
1405
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1116 0x000000a5, /* 0000 0000 0000 0000 0000 0000 1010 0101 */ |
1298
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1117 |
458e041fc902
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1118 /* _^]\ [ZYX WVUT SRQP ONML KJIH GFED CBA@ */ |
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1119 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */ |
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1120 |
458e041fc902
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1121 /* ~}| {zyx wvut srqp onml kjih gfed cba` */ |
458e041fc902
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|
1122 0x80000000, /* 1000 0000 0000 0000 0000 0000 0000 0000 */ |
458e041fc902
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1123 |
458e041fc902
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1124 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ |
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
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|
1125 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ |
458e041fc902
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Igor Sysoev <igor@sysoev.ru>
parents:
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1126 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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1127 0xffffffff /* 1111 1111 1111 1111 1111 1111 1111 1111 */ |
458e041fc902
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|
1128 }; |
458e041fc902
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1129 |
1405
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|
1130 /* " ", "%", %00-%1F */ |
1333
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escape space, etc in $memcached_key
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1310
diff
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|
1131 |
07ebeeb55700
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|
1132 static uint32_t memcached[] = { |
07ebeeb55700
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Igor Sysoev <igor@sysoev.ru>
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1310
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|
1133 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ |
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
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1310
diff
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|
1134 |
07ebeeb55700
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diff
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|
1135 /* ?>=< ;:98 7654 3210 /.-, +*)( '&%$ #"! */ |
1405
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|
1136 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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diff
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|
1137 |
07ebeeb55700
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|
1138 /* _^]\ [ZYX WVUT SRQP ONML KJIH GFED CBA@ */ |
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
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1139 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */ |
07ebeeb55700
escape space, etc in $memcached_key
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diff
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|
1140 |
07ebeeb55700
escape space, etc in $memcached_key
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diff
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1141 /* ~}| {zyx wvut srqp onml kjih gfed cba` */ |
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
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diff
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|
1142 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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|
1143 |
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
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diff
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|
1144 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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diff
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|
1145 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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|
1146 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
|
1147 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */ |
07ebeeb55700
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Igor Sysoev <igor@sysoev.ru>
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|
1148 }; |
07ebeeb55700
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diff
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|
1149 |
1405
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escape " ", "%", and %00-%1F in login and password
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diff
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|
1150 /* mail_auth is the same as memcached */ |
fdd064faf26a
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Igor Sysoev <igor@sysoev.ru>
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1333
diff
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|
1151 |
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|
1152 static uint32_t *map[] = |
fdd064faf26a
escape " ", "%", and %00-%1F in login and password
Igor Sysoev <igor@sysoev.ru>
parents:
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|
1153 { uri, args, html, refresh, memcached, memcached }; |
1298
458e041fc902
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Igor Sysoev <igor@sysoev.ru>
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1154 |
458e041fc902
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|
1155 |
458e041fc902
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|
1156 escape = map[type]; |
461 | 1157 |
452 | 1158 if (dst == NULL) { |
1159 | |
1160 /* find the number of the characters to be escaped */ | |
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1161 |
452 | 1162 n = 0; |
1163 | |
1164 for (i = 0; i < size; i++) { | |
1165 if (escape[*src >> 5] & (1 << (*src & 0x1f))) { | |
1166 n++; | |
1167 } | |
1168 src++; | |
1169 } | |
1170 | |
485 | 1171 return (uintptr_t) n; |
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1172 } |
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|
1173 |
452 | 1174 for (i = 0; i < size; i++) { |
1175 if (escape[*src >> 5] & (1 << (*src & 0x1f))) { | |
1176 *dst++ = '%'; | |
1177 *dst++ = hex[*src >> 4]; | |
1178 *dst++ = hex[*src & 0xf]; | |
1179 src++; | |
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|
1180 |
452 | 1181 } else { |
1182 *dst++ = *src++; | |
1183 } | |
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|
1184 } |
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|
1185 |
485 | 1186 return (uintptr_t) dst; |
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|
1187 } |
577 | 1188 |
1189 | |
1190 void | |
601 | 1191 ngx_unescape_uri(u_char **dst, u_char **src, size_t size, ngx_uint_t type) |
577 | 1192 { |
1193 u_char *d, *s, ch, c, decoded; | |
1194 enum { | |
1195 sw_usual = 0, | |
1196 sw_quoted, | |
1197 sw_quoted_second | |
1198 } state; | |
1199 | |
1200 d = *dst; | |
1201 s = *src; | |
1202 | |
1203 state = 0; | |
1204 decoded = 0; | |
1205 | |
1206 while (size--) { | |
1207 | |
1208 ch = *s++; | |
1209 | |
1210 switch (state) { | |
1211 case sw_usual: | |
601 | 1212 if (ch == '?' && type == NGX_UNESCAPE_URI) { |
577 | 1213 *d++ = ch; |
1214 goto done; | |
1215 } | |
1216 | |
1217 if (ch == '%') { | |
1218 state = sw_quoted; | |
1219 break; | |
1220 } | |
1221 | |
1222 *d++ = ch; | |
1223 break; | |
1224 | |
1225 case sw_quoted: | |
1226 | |
1227 if (ch >= '0' && ch <= '9') { | |
1228 decoded = (u_char) (ch - '0'); | |
1229 state = sw_quoted_second; | |
1230 break; | |
1231 } | |
1232 | |
1233 c = (u_char) (ch | 0x20); | |
1234 if (c >= 'a' && c <= 'f') { | |
1235 decoded = (u_char) (c - 'a' + 10); | |
1236 state = sw_quoted_second; | |
1237 break; | |
1238 } | |
1239 | |
589 | 1240 /* the invalid quoted character */ |
577 | 1241 |
589 | 1242 state = sw_usual; |
1243 | |
1244 *d++ = ch; | |
577 | 1245 |
1246 break; | |
1247 | |
1248 case sw_quoted_second: | |
1249 | |
589 | 1250 state = sw_usual; |
1251 | |
577 | 1252 if (ch >= '0' && ch <= '9') { |
1253 ch = (u_char) ((decoded << 4) + ch - '0'); | |
1254 | |
601 | 1255 if (type == NGX_UNESCAPE_URI) { |
1256 if (ch > '%' && ch < 0x7f) { | |
1257 *d++ = ch; | |
1258 break; | |
1259 } | |
1260 | |
1261 *d++ = '%'; *d++ = *(s - 2); *d++ = *(s - 1); | |
1262 | |
577 | 1263 break; |
1264 } | |
1265 | |
601 | 1266 *d++ = ch; |
577 | 1267 |
1268 break; | |
1269 } | |
1270 | |
1271 c = (u_char) (ch | 0x20); | |
1272 if (c >= 'a' && c <= 'f') { | |
1273 ch = (u_char) ((decoded << 4) + c - 'a' + 10); | |
1274 | |
601 | 1275 if (type == NGX_UNESCAPE_URI) { |
1276 if (ch == '?') { | |
1277 *d++ = ch; | |
1278 goto done; | |
1279 } | |
577 | 1280 |
601 | 1281 if (ch > '%' && ch < 0x7f) { |
1282 *d++ = ch; | |
1283 break; | |
1284 } | |
1285 | |
1286 *d++ = '%'; *d++ = *(s - 2); *d++ = *(s - 1); | |
577 | 1287 break; |
1288 } | |
1289 | |
601 | 1290 *d++ = ch; |
577 | 1291 |
1292 break; | |
1293 } | |
1294 | |
589 | 1295 /* the invalid quoted character */ |
577 | 1296 |
1297 break; | |
1298 } | |
1299 } | |
1300 | |
1301 done: | |
1302 | |
1303 *dst = d; | |
1304 *src = s; | |
1305 } | |
583 | 1306 |
1307 | |
1544 | 1308 uintptr_t |
1309 ngx_escape_html(u_char *dst, u_char *src, size_t size) | |
1310 { | |
1311 u_char ch; | |
1312 ngx_uint_t i, len; | |
1313 | |
1314 if (dst == NULL) { | |
1315 | |
1316 len = 0; | |
1317 | |
1318 for (i = 0; i < size; i++) { | |
1319 switch (*src++) { | |
1320 | |
1321 case '<': | |
1322 len += sizeof("<") - 2; | |
1323 break; | |
1324 | |
1325 case '>': | |
1326 len += sizeof(">") - 2; | |
1327 break; | |
1328 | |
1329 case '&': | |
1330 len += sizeof("&") - 2; | |
1331 break; | |
1332 | |
1333 default: | |
1334 break; | |
1335 } | |
1336 } | |
1337 | |
1338 return (uintptr_t) len; | |
1339 } | |
1340 | |
1341 for (i = 0; i < size; i++) { | |
1342 ch = *src++; | |
1343 | |
1344 switch (ch) { | |
1345 | |
1346 case '<': | |
1347 *dst++ = '&'; *dst++ = 'l'; *dst++ = 't'; *dst++ = ';'; | |
1348 break; | |
1349 | |
1350 case '>': | |
1351 *dst++ = '&'; *dst++ = 'g'; *dst++ = 't'; *dst++ = ';'; | |
1352 break; | |
1353 | |
1354 case '&': | |
1355 *dst++ = '&'; *dst++ = 'a'; *dst++ = 'm'; *dst++ = 'p'; | |
1356 *dst++ = ';'; | |
1357 break; | |
1358 | |
1359 default: | |
1360 *dst++ = ch; | |
1361 break; | |
1362 } | |
1363 } | |
1364 | |
1365 return (uintptr_t) dst; | |
1366 } | |
1367 | |
1368 | |
1208 | 1369 /* ngx_sort() is implemented as insertion sort because we need stable sort */ |
1370 | |
1371 void | |
1372 ngx_sort(void *base, size_t n, size_t size, | |
1373 int (*cmp)(const void *, const void *)) | |
1374 { | |
1375 u_char *p1, *p2; | |
1376 u_char buf[256]; | |
1377 | |
1378 for (p1 = (u_char *) base + size; | |
1379 p1 < (u_char *) base + n * size; | |
1380 p1 += size) | |
1381 { | |
1382 ngx_memcpy(buf, p1, size); | |
1383 | |
1384 for (p2 = p1; | |
1385 p2 > (u_char *) base && cmp(p2 - size, buf) > 0; | |
1386 p2 -= size) | |
1387 { | |
1388 ngx_memcpy(p2, p2 - size, size); | |
1389 } | |
1390 | |
1391 ngx_memcpy(p2, buf, size); | |
1392 } | |
1393 } | |
1394 | |
1395 | |
583 | 1396 #if (NGX_MEMCPY_LIMIT) |
1397 | |
1398 void * | |
1399 ngx_memcpy(void *dst, void *src, size_t n) | |
1400 { | |
1401 if (n > NGX_MEMCPY_LIMIT) { | |
1402 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0, "memcpy %uz bytes", n); | |
1403 ngx_debug_point(); | |
1404 } | |
1405 | |
1406 return memcpy(dst, src, n); | |
1407 } | |
1408 | |
1409 #endif |