|
0
|
1
|
|
|
2 /*
|
|
|
3 * Copyright (C) Igor Sysoev
|
|
|
4 */
|
|
|
5
|
|
|
6
|
|
|
7 #include <ngx_config.h>
|
|
|
8 #include <ngx_core.h>
|
|
|
9
|
|
|
10
|
|
392
|
11 void
|
|
|
12 ngx_strlow(u_char *dst, u_char *src, size_t n)
|
|
|
13 {
|
|
|
14 while (n--) {
|
|
|
15 *dst = ngx_tolower(*src);
|
|
|
16 dst++;
|
|
|
17 src++;
|
|
|
18 }
|
|
|
19 }
|
|
|
20
|
|
|
21
|
|
42
|
22 u_char *
|
|
|
23 ngx_cpystrn(u_char *dst, u_char *src, size_t n)
|
|
0
|
24 {
|
|
|
25 if (n == 0) {
|
|
|
26 return dst;
|
|
|
27 }
|
|
|
28
|
|
66
|
29 for ( /* void */ ; --n; dst++, src++) {
|
|
0
|
30 *dst = *src;
|
|
|
31
|
|
|
32 if (*dst == '\0') {
|
|
|
33 return dst;
|
|
|
34 }
|
|
|
35 }
|
|
|
36
|
|
|
37 *dst = '\0';
|
|
|
38
|
|
|
39 return dst;
|
|
|
40 }
|
|
|
41
|
|
|
42
|
|
42
|
43 u_char *
|
|
|
44 ngx_pstrdup(ngx_pool_t *pool, ngx_str_t *src)
|
|
34
|
45 {
|
|
|
46 u_char *dst;
|
|
|
47
|
|
382
|
48 dst = ngx_pnalloc(pool, src->len);
|
|
50
|
49 if (dst == NULL) {
|
|
34
|
50 return NULL;
|
|
|
51 }
|
|
|
52
|
|
|
53 ngx_memcpy(dst, src->data, src->len);
|
|
|
54
|
|
|
55 return dst;
|
|
|
56 }
|
|
|
57
|
|
|
58
|
|
4
|
59 /*
|
|
|
60 * supported formats:
|
|
22
|
61 * %[0][width][x][X]O off_t
|
|
10
|
62 * %[0][width]T time_t
|
|
|
63 * %[0][width][u][x|X]z ssize_t/size_t
|
|
|
64 * %[0][width][u][x|X]d int/u_int
|
|
|
65 * %[0][width][u][x|X]l long
|
|
|
66 * %[0][width|m][u][x|X]i ngx_int_t/ngx_uint_t
|
|
|
67 * %[0][width][u][x|X]D int32_t/uint32_t
|
|
|
68 * %[0][width][u][x|X]L int64_t/uint64_t
|
|
44
|
69 * %[0][width|m][u][x|X]A ngx_atomic_int_t/ngx_atomic_uint_t
|
|
10
|
70 * %P ngx_pid_t
|
|
106
|
71 * %M ngx_msec_t
|
|
10
|
72 * %r rlim_t
|
|
328
|
73 * %p void *
|
|
|
74 * %V ngx_str_t *
|
|
|
75 * %v ngx_variable_value_t *
|
|
10
|
76 * %s null-terminated string
|
|
358
|
77 * %*s length and string
|
|
10
|
78 * %Z '\0'
|
|
74
|
79 * %N '\n'
|
|
10
|
80 * %c char
|
|
|
81 * %% %
|
|
4
|
82 *
|
|
10
|
83 * reserved:
|
|
|
84 * %t ptrdiff_t
|
|
|
85 * %S null-teminated wchar string
|
|
|
86 * %C wchar
|
|
4
|
87 */
|
|
|
88
|
|
10
|
89
|
|
52
|
90 u_char * ngx_cdecl
|
|
42
|
91 ngx_sprintf(u_char *buf, const char *fmt, ...)
|
|
10
|
92 {
|
|
|
93 u_char *p;
|
|
|
94 va_list args;
|
|
|
95
|
|
|
96 va_start(args, fmt);
|
|
|
97 p = ngx_vsnprintf(buf, /* STUB */ 65536, fmt, args);
|
|
|
98 va_end(args);
|
|
|
99
|
|
|
100 return p;
|
|
|
101 }
|
|
|
102
|
|
|
103
|
|
52
|
104 u_char * ngx_cdecl
|
|
42
|
105 ngx_snprintf(u_char *buf, size_t max, const char *fmt, ...)
|
|
4
|
106 {
|
|
10
|
107 u_char *p;
|
|
|
108 va_list args;
|
|
|
109
|
|
|
110 va_start(args, fmt);
|
|
|
111 p = ngx_vsnprintf(buf, max, fmt, args);
|
|
|
112 va_end(args);
|
|
|
113
|
|
|
114 return p;
|
|
|
115 }
|
|
|
116
|
|
4
|
117
|
|
42
|
118 u_char *
|
|
|
119 ngx_vsnprintf(u_char *buf, size_t max, const char *fmt, va_list args)
|
|
10
|
120 {
|
|
320
|
121 u_char *p, zero, *last, temp[NGX_INT64_LEN + 1];
|
|
28
|
122 /*
|
|
|
123 * really we need temp[NGX_INT64_LEN] only,
|
|
42
|
124 * but icc issues the warning
|
|
28
|
125 */
|
|
320
|
126 int d;
|
|
358
|
127 size_t len, slen;
|
|
320
|
128 uint32_t ui32;
|
|
|
129 int64_t i64;
|
|
|
130 uint64_t ui64;
|
|
|
131 ngx_msec_t ms;
|
|
|
132 ngx_uint_t width, sign, hexadecimal, max_width;
|
|
328
|
133 ngx_str_t *v;
|
|
|
134 ngx_variable_value_t *vv;
|
|
320
|
135 static u_char hex[] = "0123456789abcdef";
|
|
|
136 static u_char HEX[] = "0123456789ABCDEF";
|
|
4
|
137
|
|
10
|
138 if (max == 0) {
|
|
|
139 return buf;
|
|
|
140 }
|
|
|
141
|
|
|
142 last = buf + max;
|
|
|
143
|
|
|
144 while (*fmt && buf < last) {
|
|
|
145
|
|
|
146 /*
|
|
|
147 * "buf < last" means that we could copy at least one character:
|
|
|
148 * the plain character, "%%", "%c", and minus without the checking
|
|
|
149 */
|
|
|
150
|
|
4
|
151 if (*fmt == '%') {
|
|
|
152
|
|
10
|
153 i64 = 0;
|
|
|
154 ui64 = 0;
|
|
|
155
|
|
|
156 zero = (u_char) ((*++fmt == '0') ? '0' : ' ');
|
|
4
|
157 width = 0;
|
|
|
158 sign = 1;
|
|
|
159 hexadecimal = 0;
|
|
42
|
160 max_width = 0;
|
|
364
|
161 slen = (size_t) -1;
|
|
4
|
162
|
|
26
|
163 p = temp + NGX_INT64_LEN;
|
|
4
|
164
|
|
|
165 while (*fmt >= '0' && *fmt <= '9') {
|
|
|
166 width = width * 10 + *fmt++ - '0';
|
|
|
167 }
|
|
|
168
|
|
|
169
|
|
|
170 for ( ;; ) {
|
|
|
171 switch (*fmt) {
|
|
|
172
|
|
|
173 case 'u':
|
|
|
174 sign = 0;
|
|
|
175 fmt++;
|
|
|
176 continue;
|
|
|
177
|
|
16
|
178 case 'm':
|
|
42
|
179 max_width = 1;
|
|
16
|
180 fmt++;
|
|
|
181 continue;
|
|
|
182
|
|
10
|
183 case 'X':
|
|
|
184 hexadecimal = 2;
|
|
|
185 sign = 0;
|
|
|
186 fmt++;
|
|
|
187 continue;
|
|
|
188
|
|
4
|
189 case 'x':
|
|
|
190 hexadecimal = 1;
|
|
10
|
191 sign = 0;
|
|
4
|
192 fmt++;
|
|
|
193 continue;
|
|
|
194
|
|
358
|
195 case '*':
|
|
364
|
196 slen = va_arg(args, size_t);
|
|
358
|
197 fmt++;
|
|
|
198 continue;
|
|
|
199
|
|
4
|
200 default:
|
|
|
201 break;
|
|
|
202 }
|
|
|
203
|
|
|
204 break;
|
|
|
205 }
|
|
|
206
|
|
|
207
|
|
|
208 switch (*fmt) {
|
|
|
209
|
|
10
|
210 case 'V':
|
|
328
|
211 v = va_arg(args, ngx_str_t *);
|
|
4
|
212
|
|
320
|
213 len = v->len;
|
|
122
|
214 len = (buf + len < last) ? len : (size_t) (last - buf);
|
|
|
215
|
|
320
|
216 buf = ngx_cpymem(buf, v->data, len);
|
|
10
|
217 fmt++;
|
|
4
|
218
|
|
10
|
219 continue;
|
|
4
|
220
|
|
328
|
221 case 'v':
|
|
|
222 vv = va_arg(args, ngx_variable_value_t *);
|
|
|
223
|
|
|
224 len = vv->len;
|
|
|
225 len = (buf + len < last) ? len : (size_t) (last - buf);
|
|
|
226
|
|
|
227 buf = ngx_cpymem(buf, vv->data, len);
|
|
|
228 fmt++;
|
|
|
229
|
|
|
230 continue;
|
|
|
231
|
|
4
|
232 case 's':
|
|
10
|
233 p = va_arg(args, u_char *);
|
|
4
|
234
|
|
364
|
235 if (slen == (size_t) -1) {
|
|
358
|
236 while (*p && buf < last) {
|
|
|
237 *buf++ = *p++;
|
|
|
238 }
|
|
|
239
|
|
|
240 } else {
|
|
364
|
241 len = (buf + slen < last) ? slen : (size_t) (last - buf);
|
|
|
242
|
|
|
243 buf = ngx_cpymem(buf, p, len);
|
|
4
|
244 }
|
|
358
|
245
|
|
4
|
246 fmt++;
|
|
|
247
|
|
|
248 continue;
|
|
|
249
|
|
10
|
250 case 'O':
|
|
|
251 i64 = (int64_t) va_arg(args, off_t);
|
|
|
252 sign = 1;
|
|
|
253 break;
|
|
|
254
|
|
|
255 case 'P':
|
|
|
256 i64 = (int64_t) va_arg(args, ngx_pid_t);
|
|
|
257 sign = 1;
|
|
|
258 break;
|
|
|
259
|
|
|
260 case 'T':
|
|
|
261 i64 = (int64_t) va_arg(args, time_t);
|
|
|
262 sign = 1;
|
|
|
263 break;
|
|
|
264
|
|
106
|
265 case 'M':
|
|
110
|
266 ms = (ngx_msec_t) va_arg(args, ngx_msec_t);
|
|
|
267 if ((ngx_msec_int_t) ms == -1) {
|
|
|
268 sign = 1;
|
|
|
269 i64 = -1;
|
|
|
270 } else {
|
|
|
271 sign = 0;
|
|
|
272 ui64 = (uint64_t) ms;
|
|
|
273 }
|
|
106
|
274 break;
|
|
|
275
|
|
10
|
276 case 'z':
|
|
|
277 if (sign) {
|
|
|
278 i64 = (int64_t) va_arg(args, ssize_t);
|
|
|
279 } else {
|
|
|
280 ui64 = (uint64_t) va_arg(args, size_t);
|
|
|
281 }
|
|
|
282 break;
|
|
|
283
|
|
|
284 case 'i':
|
|
|
285 if (sign) {
|
|
|
286 i64 = (int64_t) va_arg(args, ngx_int_t);
|
|
|
287 } else {
|
|
|
288 ui64 = (uint64_t) va_arg(args, ngx_uint_t);
|
|
|
289 }
|
|
42
|
290
|
|
|
291 if (max_width) {
|
|
|
292 width = NGX_INT_T_LEN;
|
|
|
293 }
|
|
|
294
|
|
10
|
295 break;
|
|
|
296
|
|
|
297 case 'd':
|
|
|
298 if (sign) {
|
|
|
299 i64 = (int64_t) va_arg(args, int);
|
|
|
300 } else {
|
|
|
301 ui64 = (uint64_t) va_arg(args, u_int);
|
|
|
302 }
|
|
|
303 break;
|
|
|
304
|
|
|
305 case 'l':
|
|
|
306 if (sign) {
|
|
|
307 i64 = (int64_t) va_arg(args, long);
|
|
|
308 } else {
|
|
|
309 ui64 = (uint64_t) va_arg(args, u_long);
|
|
|
310 }
|
|
|
311 break;
|
|
|
312
|
|
|
313 case 'D':
|
|
|
314 if (sign) {
|
|
|
315 i64 = (int64_t) va_arg(args, int32_t);
|
|
|
316 } else {
|
|
|
317 ui64 = (uint64_t) va_arg(args, uint32_t);
|
|
|
318 }
|
|
|
319 break;
|
|
|
320
|
|
|
321 case 'L':
|
|
|
322 if (sign) {
|
|
|
323 i64 = va_arg(args, int64_t);
|
|
|
324 } else {
|
|
|
325 ui64 = va_arg(args, uint64_t);
|
|
|
326 }
|
|
|
327 break;
|
|
|
328
|
|
42
|
329 case 'A':
|
|
|
330 if (sign) {
|
|
|
331 i64 = (int64_t) va_arg(args, ngx_atomic_int_t);
|
|
|
332 } else {
|
|
44
|
333 ui64 = (uint64_t) va_arg(args, ngx_atomic_uint_t);
|
|
42
|
334 }
|
|
|
335
|
|
|
336 if (max_width) {
|
|
|
337 width = NGX_ATOMIC_T_LEN;
|
|
|
338 }
|
|
|
339
|
|
|
340 break;
|
|
|
341
|
|
10
|
342 #if !(NGX_WIN32)
|
|
|
343 case 'r':
|
|
|
344 i64 = (int64_t) va_arg(args, rlim_t);
|
|
|
345 sign = 1;
|
|
|
346 break;
|
|
|
347 #endif
|
|
|
348
|
|
|
349 case 'p':
|
|
|
350 ui64 = (uintptr_t) va_arg(args, void *);
|
|
|
351 hexadecimal = 2;
|
|
|
352 sign = 0;
|
|
|
353 zero = '0';
|
|
162
|
354 width = NGX_PTR_SIZE * 2;
|
|
10
|
355 break;
|
|
|
356
|
|
6
|
357 case 'c':
|
|
10
|
358 d = va_arg(args, int);
|
|
6
|
359 *buf++ = (u_char) (d & 0xff);
|
|
|
360 fmt++;
|
|
|
361
|
|
|
362 continue;
|
|
|
363
|
|
10
|
364 case 'Z':
|
|
|
365 *buf++ = '\0';
|
|
|
366 fmt++;
|
|
|
367
|
|
|
368 continue;
|
|
|
369
|
|
74
|
370 case 'N':
|
|
|
371 #if (NGX_WIN32)
|
|
|
372 *buf++ = CR;
|
|
|
373 #endif
|
|
|
374 *buf++ = LF;
|
|
|
375 fmt++;
|
|
|
376
|
|
|
377 continue;
|
|
|
378
|
|
4
|
379 case '%':
|
|
|
380 *buf++ = '%';
|
|
|
381 fmt++;
|
|
|
382
|
|
|
383 continue;
|
|
|
384
|
|
|
385 default:
|
|
|
386 *buf++ = *fmt++;
|
|
|
387
|
|
|
388 continue;
|
|
|
389 }
|
|
|
390
|
|
10
|
391 if (sign) {
|
|
|
392 if (i64 < 0) {
|
|
|
393 *buf++ = '-';
|
|
|
394 ui64 = (uint64_t) -i64;
|
|
|
395
|
|
|
396 } else {
|
|
|
397 ui64 = (uint64_t) i64;
|
|
|
398 }
|
|
|
399 }
|
|
|
400
|
|
|
401 if (hexadecimal == 1) {
|
|
|
402 do {
|
|
|
403
|
|
|
404 /* the "(uint32_t)" cast disables the BCC's warning */
|
|
|
405 *--p = hex[(uint32_t) (ui64 & 0xf)];
|
|
|
406
|
|
|
407 } while (ui64 >>= 4);
|
|
|
408
|
|
|
409 } else if (hexadecimal == 2) {
|
|
|
410 do {
|
|
|
411
|
|
|
412 /* the "(uint32_t)" cast disables the BCC's warning */
|
|
|
413 *--p = HEX[(uint32_t) (ui64 & 0xf)];
|
|
|
414
|
|
|
415 } while (ui64 >>= 4);
|
|
|
416
|
|
|
417 } else if (ui64 <= NGX_MAX_UINT32_VALUE) {
|
|
|
418
|
|
|
419 /*
|
|
|
420 * To divide 64-bit number and to find the remainder
|
|
|
421 * on the x86 platform gcc and icc call the libc functions
|
|
|
422 * [u]divdi3() and [u]moddi3(), they call another function
|
|
42
|
423 * in its turn. On FreeBSD it is the qdivrem() function,
|
|
10
|
424 * its source code is about 170 lines of the code.
|
|
|
425 * The glibc counterpart is about 150 lines of the code.
|
|
|
426 *
|
|
42
|
427 * For 32-bit numbers and some divisors gcc and icc use
|
|
|
428 * the inlined multiplication and shifts. For example,
|
|
|
429 * unsigned "i32 / 10" is compiled to
|
|
|
430 *
|
|
|
431 * (i32 * 0xCCCCCCCD) >> 35
|
|
10
|
432 */
|
|
|
433
|
|
|
434 ui32 = (uint32_t) ui64;
|
|
|
435
|
|
|
436 do {
|
|
|
437 *--p = (u_char) (ui32 % 10 + '0');
|
|
|
438 } while (ui32 /= 10);
|
|
|
439
|
|
|
440 } else {
|
|
|
441 do {
|
|
|
442 *--p = (u_char) (ui64 % 10 + '0');
|
|
|
443 } while (ui64 /= 10);
|
|
|
444 }
|
|
|
445
|
|
26
|
446 len = (temp + NGX_INT64_LEN) - p;
|
|
4
|
447
|
|
10
|
448 while (len++ < width && buf < last) {
|
|
|
449 *buf++ = zero;
|
|
4
|
450 }
|
|
|
451
|
|
26
|
452 len = (temp + NGX_INT64_LEN) - p;
|
|
10
|
453 if (buf + len > last) {
|
|
|
454 len = last - buf;
|
|
|
455 }
|
|
|
456
|
|
|
457 buf = ngx_cpymem(buf, p, len);
|
|
4
|
458
|
|
|
459 fmt++;
|
|
|
460
|
|
|
461 } else {
|
|
|
462 *buf++ = *fmt++;
|
|
|
463 }
|
|
|
464 }
|
|
|
465
|
|
|
466 return buf;
|
|
|
467 }
|
|
|
468
|
|
|
469
|
|
286
|
470 /*
|
|
340
|
471 * We use ngx_strcasecmp()/ngx_strncasecmp() for 7-bit ASCII strings only,
|
|
286
|
472 * and implement our own ngx_strcasecmp()/ngx_strncasecmp()
|
|
|
473 * to avoid libc locale overhead. Besides, we use the ngx_uint_t's
|
|
|
474 * instead of the u_char's, because they are slightly faster.
|
|
|
475 */
|
|
|
476
|
|
|
477 ngx_int_t
|
|
|
478 ngx_strcasecmp(u_char *s1, u_char *s2)
|
|
|
479 {
|
|
|
480 ngx_uint_t c1, c2;
|
|
|
481
|
|
|
482 for ( ;; ) {
|
|
|
483 c1 = (ngx_uint_t) *s1++;
|
|
|
484 c2 = (ngx_uint_t) *s2++;
|
|
|
485
|
|
|
486 c1 = (c1 >= 'A' && c1 <= 'Z') ? (c1 | 0x20) : c1;
|
|
|
487 c2 = (c2 >= 'A' && c2 <= 'Z') ? (c2 | 0x20) : c2;
|
|
|
488
|
|
|
489 if (c1 == c2) {
|
|
|
490
|
|
|
491 if (c1) {
|
|
|
492 continue;
|
|
|
493 }
|
|
|
494
|
|
|
495 return 0;
|
|
|
496 }
|
|
|
497
|
|
|
498 return c1 - c2;
|
|
|
499 }
|
|
|
500 }
|
|
|
501
|
|
|
502
|
|
|
503 ngx_int_t
|
|
|
504 ngx_strncasecmp(u_char *s1, u_char *s2, size_t n)
|
|
|
505 {
|
|
|
506 ngx_uint_t c1, c2;
|
|
|
507
|
|
|
508 while (n) {
|
|
|
509 c1 = (ngx_uint_t) *s1++;
|
|
|
510 c2 = (ngx_uint_t) *s2++;
|
|
|
511
|
|
|
512 c1 = (c1 >= 'A' && c1 <= 'Z') ? (c1 | 0x20) : c1;
|
|
|
513 c2 = (c2 >= 'A' && c2 <= 'Z') ? (c2 | 0x20) : c2;
|
|
|
514
|
|
|
515 if (c1 == c2) {
|
|
|
516
|
|
|
517 if (c1) {
|
|
|
518 n--;
|
|
|
519 continue;
|
|
|
520 }
|
|
|
521
|
|
|
522 return 0;
|
|
|
523 }
|
|
|
524
|
|
|
525 return c1 - c2;
|
|
|
526 }
|
|
|
527
|
|
|
528 return 0;
|
|
|
529 }
|
|
|
530
|
|
|
531
|
|
340
|
532 u_char *
|
|
|
533 ngx_strnstr(u_char *s1, char *s2, size_t len)
|
|
|
534 {
|
|
|
535 u_char c1, c2;
|
|
|
536 size_t n;
|
|
|
537
|
|
|
538 c2 = *(u_char *) s2++;
|
|
|
539
|
|
|
540 n = ngx_strlen(s2);
|
|
|
541
|
|
|
542 do {
|
|
|
543 do {
|
|
|
544 if (len-- == 0) {
|
|
|
545 return NULL;
|
|
|
546 }
|
|
|
547
|
|
|
548 c1 = *s1++;
|
|
|
549
|
|
|
550 if (c1 == 0) {
|
|
|
551 return NULL;
|
|
|
552 }
|
|
|
553
|
|
|
554 } while (c1 != c2);
|
|
|
555
|
|
|
556 if (n > len) {
|
|
|
557 return NULL;
|
|
|
558 }
|
|
|
559
|
|
|
560 } while (ngx_strncmp(s1, (u_char *) s2, n) != 0);
|
|
|
561
|
|
|
562 return --s1;
|
|
|
563 }
|
|
|
564
|
|
|
565
|
|
|
566 /*
|
|
|
567 * ngx_strstrn() and ngx_strcasestrn() are intended to search for static
|
|
|
568 * substring with known length in null-terminated string. The argument n
|
|
|
569 * must be length of the second substring - 1.
|
|
|
570 */
|
|
|
571
|
|
|
572 u_char *
|
|
|
573 ngx_strstrn(u_char *s1, char *s2, size_t n)
|
|
|
574 {
|
|
|
575 u_char c1, c2;
|
|
|
576
|
|
|
577 c2 = *(u_char *) s2++;
|
|
|
578
|
|
|
579 do {
|
|
|
580 do {
|
|
|
581 c1 = *s1++;
|
|
|
582
|
|
|
583 if (c1 == 0) {
|
|
|
584 return NULL;
|
|
|
585 }
|
|
|
586
|
|
|
587 } while (c1 != c2);
|
|
|
588
|
|
|
589 } while (ngx_strncmp(s1, (u_char *) s2, n) != 0);
|
|
|
590
|
|
|
591 return --s1;
|
|
|
592 }
|
|
|
593
|
|
|
594
|
|
|
595 u_char *
|
|
|
596 ngx_strcasestrn(u_char *s1, char *s2, size_t n)
|
|
|
597 {
|
|
|
598 ngx_uint_t c1, c2;
|
|
|
599
|
|
|
600 c2 = (ngx_uint_t) *s2++;
|
|
|
601 c2 = (c2 >= 'A' && c2 <= 'Z') ? (c2 | 0x20) : c2;
|
|
|
602
|
|
|
603 do {
|
|
|
604 do {
|
|
|
605 c1 = (ngx_uint_t) *s1++;
|
|
|
606
|
|
|
607 if (c1 == 0) {
|
|
|
608 return NULL;
|
|
|
609 }
|
|
|
610
|
|
|
611 c1 = (c1 >= 'A' && c1 <= 'Z') ? (c1 | 0x20) : c1;
|
|
|
612
|
|
|
613 } while (c1 != c2);
|
|
|
614
|
|
|
615 } while (ngx_strncasecmp(s1, (u_char *) s2, n) != 0);
|
|
|
616
|
|
|
617 return --s1;
|
|
|
618 }
|
|
|
619
|
|
|
620
|
|
42
|
621 ngx_int_t
|
|
|
622 ngx_rstrncmp(u_char *s1, u_char *s2, size_t n)
|
|
0
|
623 {
|
|
|
624 if (n == 0) {
|
|
|
625 return 0;
|
|
|
626 }
|
|
|
627
|
|
|
628 n--;
|
|
|
629
|
|
|
630 for ( ;; ) {
|
|
|
631 if (s1[n] != s2[n]) {
|
|
|
632 return s1[n] - s2[n];
|
|
|
633 }
|
|
|
634
|
|
|
635 if (n == 0) {
|
|
|
636 return 0;
|
|
|
637 }
|
|
|
638
|
|
|
639 n--;
|
|
|
640 }
|
|
|
641 }
|
|
|
642
|
|
|
643
|
|
42
|
644 ngx_int_t
|
|
|
645 ngx_rstrncasecmp(u_char *s1, u_char *s2, size_t n)
|
|
4
|
646 {
|
|
|
647 u_char c1, c2;
|
|
|
648
|
|
|
649 if (n == 0) {
|
|
|
650 return 0;
|
|
|
651 }
|
|
|
652
|
|
|
653 n--;
|
|
|
654
|
|
|
655 for ( ;; ) {
|
|
|
656 c1 = s1[n];
|
|
|
657 if (c1 >= 'a' && c1 <= 'z') {
|
|
|
658 c1 -= 'a' - 'A';
|
|
|
659 }
|
|
|
660
|
|
|
661 c2 = s2[n];
|
|
|
662 if (c2 >= 'a' && c2 <= 'z') {
|
|
|
663 c2 -= 'a' - 'A';
|
|
|
664 }
|
|
|
665
|
|
|
666 if (c1 != c2) {
|
|
|
667 return c1 - c2;
|
|
|
668 }
|
|
|
669
|
|
|
670 if (n == 0) {
|
|
|
671 return 0;
|
|
|
672 }
|
|
|
673
|
|
|
674 n--;
|
|
|
675 }
|
|
|
676 }
|
|
|
677
|
|
|
678
|
|
42
|
679 ngx_int_t
|
|
274
|
680 ngx_memn2cmp(u_char *s1, u_char *s2, size_t n1, size_t n2)
|
|
|
681 {
|
|
|
682 size_t n;
|
|
|
683 ngx_int_t m, z;
|
|
|
684
|
|
|
685 if (n1 <= n2) {
|
|
|
686 n = n1;
|
|
|
687 z = -1;
|
|
|
688
|
|
|
689 } else {
|
|
|
690 n = n2;
|
|
|
691 z = 1;
|
|
|
692 }
|
|
|
693
|
|
|
694 m = ngx_memcmp(s1, s2, n);
|
|
|
695
|
|
|
696 if (m || n1 == n2) {
|
|
|
697 return m;
|
|
|
698 }
|
|
|
699
|
|
|
700 return z;
|
|
|
701 }
|
|
|
702
|
|
|
703
|
|
|
704 ngx_int_t
|
|
42
|
705 ngx_atoi(u_char *line, size_t n)
|
|
0
|
706 {
|
|
|
707 ngx_int_t value;
|
|
|
708
|
|
|
709 if (n == 0) {
|
|
|
710 return NGX_ERROR;
|
|
|
711 }
|
|
|
712
|
|
|
713 for (value = 0; n--; line++) {
|
|
|
714 if (*line < '0' || *line > '9') {
|
|
|
715 return NGX_ERROR;
|
|
|
716 }
|
|
|
717
|
|
|
718 value = value * 10 + (*line - '0');
|
|
|
719 }
|
|
|
720
|
|
|
721 if (value < 0) {
|
|
|
722 return NGX_ERROR;
|
|
|
723
|
|
|
724 } else {
|
|
|
725 return value;
|
|
|
726 }
|
|
|
727 }
|
|
|
728
|
|
|
729
|
|
50
|
730 ssize_t
|
|
|
731 ngx_atosz(u_char *line, size_t n)
|
|
|
732 {
|
|
|
733 ssize_t value;
|
|
|
734
|
|
|
735 if (n == 0) {
|
|
|
736 return NGX_ERROR;
|
|
|
737 }
|
|
|
738
|
|
|
739 for (value = 0; n--; line++) {
|
|
|
740 if (*line < '0' || *line > '9') {
|
|
|
741 return NGX_ERROR;
|
|
|
742 }
|
|
|
743
|
|
|
744 value = value * 10 + (*line - '0');
|
|
|
745 }
|
|
|
746
|
|
|
747 if (value < 0) {
|
|
|
748 return NGX_ERROR;
|
|
|
749
|
|
|
750 } else {
|
|
|
751 return value;
|
|
|
752 }
|
|
|
753 }
|
|
|
754
|
|
|
755
|
|
|
756 off_t
|
|
|
757 ngx_atoof(u_char *line, size_t n)
|
|
|
758 {
|
|
|
759 off_t value;
|
|
|
760
|
|
|
761 if (n == 0) {
|
|
|
762 return NGX_ERROR;
|
|
|
763 }
|
|
|
764
|
|
|
765 for (value = 0; n--; line++) {
|
|
|
766 if (*line < '0' || *line > '9') {
|
|
|
767 return NGX_ERROR;
|
|
|
768 }
|
|
|
769
|
|
|
770 value = value * 10 + (*line - '0');
|
|
|
771 }
|
|
|
772
|
|
|
773 if (value < 0) {
|
|
|
774 return NGX_ERROR;
|
|
|
775
|
|
|
776 } else {
|
|
|
777 return value;
|
|
|
778 }
|
|
|
779 }
|
|
|
780
|
|
|
781
|
|
|
782 time_t
|
|
|
783 ngx_atotm(u_char *line, size_t n)
|
|
|
784 {
|
|
|
785 time_t value;
|
|
|
786
|
|
|
787 if (n == 0) {
|
|
|
788 return NGX_ERROR;
|
|
|
789 }
|
|
|
790
|
|
|
791 for (value = 0; n--; line++) {
|
|
|
792 if (*line < '0' || *line > '9') {
|
|
|
793 return NGX_ERROR;
|
|
|
794 }
|
|
|
795
|
|
|
796 value = value * 10 + (*line - '0');
|
|
|
797 }
|
|
|
798
|
|
|
799 if (value < 0) {
|
|
|
800 return NGX_ERROR;
|
|
|
801
|
|
|
802 } else {
|
|
|
803 return value;
|
|
|
804 }
|
|
|
805 }
|
|
|
806
|
|
|
807
|
|
42
|
808 ngx_int_t
|
|
|
809 ngx_hextoi(u_char *line, size_t n)
|
|
0
|
810 {
|
|
250
|
811 u_char c, ch;
|
|
0
|
812 ngx_int_t value;
|
|
|
813
|
|
|
814 if (n == 0) {
|
|
|
815 return NGX_ERROR;
|
|
|
816 }
|
|
|
817
|
|
|
818 for (value = 0; n--; line++) {
|
|
|
819 ch = *line;
|
|
|
820
|
|
|
821 if (ch >= '0' && ch <= '9') {
|
|
|
822 value = value * 16 + (ch - '0');
|
|
|
823 continue;
|
|
|
824 }
|
|
|
825
|
|
250
|
826 c = (u_char) (ch | 0x20);
|
|
0
|
827
|
|
250
|
828 if (c >= 'a' && c <= 'f') {
|
|
|
829 value = value * 16 + (c - 'a' + 10);
|
|
0
|
830 continue;
|
|
|
831 }
|
|
|
832
|
|
|
833 return NGX_ERROR;
|
|
|
834 }
|
|
|
835
|
|
|
836 if (value < 0) {
|
|
|
837 return NGX_ERROR;
|
|
|
838
|
|
|
839 } else {
|
|
|
840 return value;
|
|
|
841 }
|
|
|
842 }
|
|
|
843
|
|
|
844
|
|
356
|
845 u_char *
|
|
|
846 ngx_hex_dump(u_char *dst, u_char *src, size_t len)
|
|
0
|
847 {
|
|
|
848 static u_char hex[] = "0123456789abcdef";
|
|
|
849
|
|
356
|
850 while (len--) {
|
|
|
851 *dst++ = hex[*src >> 4];
|
|
|
852 *dst++ = hex[*src++ & 0xf];
|
|
0
|
853 }
|
|
|
854
|
|
356
|
855 return dst;
|
|
0
|
856 }
|
|
|
857
|
|
|
858
|
|
42
|
859 void
|
|
|
860 ngx_encode_base64(ngx_str_t *dst, ngx_str_t *src)
|
|
0
|
861 {
|
|
|
862 u_char *d, *s;
|
|
|
863 size_t len;
|
|
|
864 static u_char basis64[] =
|
|
|
865 "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
|
|
|
866
|
|
|
867 len = src->len;
|
|
|
868 s = src->data;
|
|
|
869 d = dst->data;
|
|
|
870
|
|
|
871 while (len > 2) {
|
|
|
872 *d++ = basis64[(s[0] >> 2) & 0x3f];
|
|
|
873 *d++ = basis64[((s[0] & 3) << 4) | (s[1] >> 4)];
|
|
|
874 *d++ = basis64[((s[1] & 0x0f) << 2) | (s[2] >> 6)];
|
|
|
875 *d++ = basis64[s[2] & 0x3f];
|
|
|
876
|
|
|
877 s += 3;
|
|
|
878 len -= 3;
|
|
|
879 }
|
|
|
880
|
|
|
881 if (len) {
|
|
|
882 *d++ = basis64[(s[0] >> 2) & 0x3f];
|
|
|
883
|
|
|
884 if (len == 1) {
|
|
|
885 *d++ = basis64[(s[0] & 3) << 4];
|
|
|
886 *d++ = '=';
|
|
|
887
|
|
|
888 } else {
|
|
|
889 *d++ = basis64[((s[0] & 3) << 4) | (s[1] >> 4)];
|
|
|
890 *d++ = basis64[(s[1] & 0x0f) << 2];
|
|
|
891 }
|
|
|
892
|
|
|
893 *d++ = '=';
|
|
|
894 }
|
|
|
895
|
|
|
896 dst->len = d - dst->data;
|
|
|
897 }
|
|
|
898
|
|
|
899
|
|
42
|
900 ngx_int_t
|
|
|
901 ngx_decode_base64(ngx_str_t *dst, ngx_str_t *src)
|
|
0
|
902 {
|
|
|
903 size_t len;
|
|
|
904 u_char *d, *s;
|
|
254
|
905 static u_char basis64[] = {
|
|
|
906 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77,
|
|
|
907 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77,
|
|
|
908 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 62, 77, 77, 77, 63,
|
|
|
909 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 77, 77, 77, 77, 77, 77,
|
|
|
910 77, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
|
|
|
911 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 77, 77, 77, 77, 77,
|
|
|
912 77, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40,
|
|
|
913 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 77, 77, 77, 77, 77,
|
|
0
|
914
|
|
254
|
915 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77,
|
|
|
916 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77,
|
|
|
917 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77,
|
|
|
918 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77,
|
|
|
919 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77,
|
|
|
920 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77,
|
|
|
921 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77,
|
|
|
922 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77
|
|
|
923 };
|
|
0
|
924
|
|
|
925 for (len = 0; len < src->len; len++) {
|
|
|
926 if (src->data[len] == '=') {
|
|
|
927 break;
|
|
|
928 }
|
|
|
929
|
|
|
930 if (basis64[src->data[len]] == 77) {
|
|
|
931 return NGX_ERROR;
|
|
|
932 }
|
|
|
933 }
|
|
|
934
|
|
|
935 if (len % 4 == 1) {
|
|
|
936 return NGX_ERROR;
|
|
|
937 }
|
|
|
938
|
|
|
939 s = src->data;
|
|
|
940 d = dst->data;
|
|
|
941
|
|
|
942 while (len > 3) {
|
|
|
943 *d++ = (u_char) (basis64[s[0]] << 2 | basis64[s[1]] >> 4);
|
|
|
944 *d++ = (u_char) (basis64[s[1]] << 4 | basis64[s[2]] >> 2);
|
|
|
945 *d++ = (u_char) (basis64[s[2]] << 6 | basis64[s[3]]);
|
|
|
946
|
|
|
947 s += 4;
|
|
|
948 len -= 4;
|
|
|
949 }
|
|
|
950
|
|
|
951 if (len > 1) {
|
|
|
952 *d++ = (u_char) (basis64[s[0]] << 2 | basis64[s[1]] >> 4);
|
|
|
953 }
|
|
|
954
|
|
|
955 if (len > 2) {
|
|
|
956 *d++ = (u_char) (basis64[s[1]] << 4 | basis64[s[2]] >> 2);
|
|
|
957 }
|
|
|
958
|
|
|
959 dst->len = d - dst->data;
|
|
|
960
|
|
|
961 return NGX_OK;
|
|
|
962 }
|
|
|
963
|
|
|
964
|
|
206
|
965 /*
|
|
390
|
966 * ngx_utf8_decode() decodes two and more bytes UTF sequences only
|
|
206
|
967 * the return values:
|
|
|
968 * 0x80 - 0x10ffff valid character
|
|
390
|
969 * 0x110000 - 0xfffffffd invalid sequence
|
|
206
|
970 * 0xfffffffe incomplete sequence
|
|
|
971 * 0xffffffff error
|
|
|
972 */
|
|
|
973
|
|
|
974 uint32_t
|
|
390
|
975 ngx_utf8_decode(u_char **p, size_t n)
|
|
206
|
976 {
|
|
|
977 size_t len;
|
|
|
978 uint32_t u, i, valid;
|
|
|
979
|
|
|
980 u = **p;
|
|
|
981
|
|
|
982 if (u > 0xf0) {
|
|
|
983
|
|
|
984 u &= 0x07;
|
|
|
985 valid = 0xffff;
|
|
|
986 len = 3;
|
|
|
987
|
|
|
988 } else if (u > 0xe0) {
|
|
|
989
|
|
|
990 u &= 0x0f;
|
|
|
991 valid = 0x7ff;
|
|
|
992 len = 2;
|
|
|
993
|
|
|
994 } else if (u > 0xc0) {
|
|
|
995
|
|
|
996 u &= 0x1f;
|
|
|
997 valid = 0x7f;
|
|
|
998 len = 1;
|
|
|
999
|
|
|
1000 } else {
|
|
|
1001 (*p)++;
|
|
|
1002 return 0xffffffff;
|
|
|
1003 }
|
|
|
1004
|
|
|
1005 if (n - 1 < len) {
|
|
|
1006 return 0xfffffffe;
|
|
|
1007 }
|
|
|
1008
|
|
|
1009 (*p)++;
|
|
|
1010
|
|
|
1011 while (len) {
|
|
|
1012 i = *(*p)++;
|
|
|
1013
|
|
|
1014 if (i < 0x80) {
|
|
|
1015 return 0xffffffff;
|
|
|
1016 }
|
|
|
1017
|
|
|
1018 u = (u << 6) | (i & 0x3f);
|
|
|
1019
|
|
|
1020 len--;
|
|
|
1021 }
|
|
|
1022
|
|
|
1023 if (u > valid) {
|
|
|
1024 return u;
|
|
|
1025 }
|
|
|
1026
|
|
|
1027 return 0xffffffff;
|
|
|
1028 }
|
|
|
1029
|
|
|
1030
|
|
72
|
1031 size_t
|
|
390
|
1032 ngx_utf8_length(u_char *p, size_t n)
|
|
72
|
1033 {
|
|
390
|
1034 u_char c, *last;
|
|
|
1035 size_t len;
|
|
72
|
1036
|
|
390
|
1037 last = p + n;
|
|
72
|
1038
|
|
390
|
1039 for (len = 0; p < last; len++) {
|
|
|
1040
|
|
|
1041 c = *p;
|
|
72
|
1042
|
|
|
1043 if (c < 0x80) {
|
|
390
|
1044 p++;
|
|
72
|
1045 continue;
|
|
|
1046 }
|
|
|
1047
|
|
390
|
1048 if (ngx_utf8_decode(&p, n) > 0x10ffff) {
|
|
|
1049 /* invalid UTF-8 */
|
|
|
1050 return n;
|
|
72
|
1051 }
|
|
|
1052 }
|
|
|
1053
|
|
|
1054 return len;
|
|
|
1055 }
|
|
|
1056
|
|
|
1057
|
|
76
|
1058 u_char *
|
|
390
|
1059 ngx_utf8_cpystrn(u_char *dst, u_char *src, size_t n, size_t len)
|
|
76
|
1060 {
|
|
390
|
1061 u_char c, *next;
|
|
76
|
1062
|
|
|
1063 if (n == 0) {
|
|
|
1064 return dst;
|
|
|
1065 }
|
|
|
1066
|
|
390
|
1067 while (--n) {
|
|
76
|
1068
|
|
|
1069 c = *src;
|
|
|
1070 *dst = c;
|
|
|
1071
|
|
|
1072 if (c < 0x80) {
|
|
390
|
1073
|
|
|
1074 if (c != '\0') {
|
|
|
1075 dst++;
|
|
|
1076 src++;
|
|
|
1077 len--;
|
|
|
1078
|
|
76
|
1079 continue;
|
|
|
1080 }
|
|
|
1081
|
|
|
1082 return dst;
|
|
|
1083 }
|
|
|
1084
|
|
390
|
1085 next = src;
|
|
76
|
1086
|
|
390
|
1087 if (ngx_utf8_decode(&next, len) > 0x10ffff) {
|
|
|
1088 /* invalid UTF-8 */
|
|
|
1089 break;
|
|
76
|
1090 }
|
|
|
1091
|
|
390
|
1092 len--;
|
|
|
1093
|
|
|
1094 while (src < next) {
|
|
|
1095 *++dst = *++src;
|
|
|
1096 len--;
|
|
|
1097 }
|
|
76
|
1098 }
|
|
|
1099
|
|
|
1100 *dst = '\0';
|
|
|
1101
|
|
|
1102 return dst;
|
|
|
1103 }
|
|
|
1104
|
|
|
1105
|
|
42
|
1106 uintptr_t
|
|
|
1107 ngx_escape_uri(u_char *dst, u_char *src, size_t size, ngx_uint_t type)
|
|
0
|
1108 {
|
|
254
|
1109 ngx_uint_t i, n;
|
|
|
1110 uint32_t *escape;
|
|
|
1111 static u_char hex[] = "0123456789abcdef";
|
|
10
|
1112
|
|
254
|
1113 /* " ", "#", "%", "?", %00-%1F, %7F-%FF */
|
|
34
|
1114
|
|
254
|
1115 static uint32_t uri[] = {
|
|
|
1116 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */
|
|
0
|
1117
|
|
254
|
1118 /* ?>=< ;:98 7654 3210 /.-, +*)( '&%$ #"! */
|
|
|
1119 0x80000029, /* 1000 0000 0000 0000 0000 0000 0010 1001 */
|
|
|
1120
|
|
|
1121 /* _^]\ [ZYX WVUT SRQP ONML KJIH GFED CBA@ */
|
|
|
1122 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */
|
|
2
|
1123
|
|
254
|
1124 /* ~}| {zyx wvut srqp onml kjih gfed cba` */
|
|
|
1125 0x80000000, /* 1000 0000 0000 0000 0000 0000 0000 0000 */
|
|
0
|
1126
|
|
254
|
1127 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */
|
|
|
1128 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */
|
|
|
1129 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */
|
|
|
1130 0xffffffff /* 1111 1111 1111 1111 1111 1111 1111 1111 */
|
|
|
1131 };
|
|
2
|
1132
|
|
254
|
1133 /* " ", "#", "%", "+", "?", %00-%1F, %7F-%FF */
|
|
34
|
1134
|
|
254
|
1135 static uint32_t args[] = {
|
|
|
1136 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */
|
|
|
1137
|
|
|
1138 /* ?>=< ;:98 7654 3210 /.-, +*)( '&%$ #"! */
|
|
|
1139 0x80000829, /* 1000 0000 0000 0000 0000 1000 0010 1001 */
|
|
34
|
1140
|
|
254
|
1141 /* _^]\ [ZYX WVUT SRQP ONML KJIH GFED CBA@ */
|
|
|
1142 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */
|
|
34
|
1143
|
|
254
|
1144 /* ~}| {zyx wvut srqp onml kjih gfed cba` */
|
|
|
1145 0x80000000, /* 1000 0000 0000 0000 0000 0000 0000 0000 */
|
|
34
|
1146
|
|
254
|
1147 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */
|
|
|
1148 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */
|
|
|
1149 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */
|
|
|
1150 0xffffffff /* 1111 1111 1111 1111 1111 1111 1111 1111 */
|
|
|
1151 };
|
|
34
|
1152
|
|
328
|
1153 /* " ", "#", """, "%", "'", %00-%1F, %7F-%FF */
|
|
34
|
1154
|
|
254
|
1155 static uint32_t html[] = {
|
|
|
1156 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */
|
|
10
|
1157
|
|
254
|
1158 /* ?>=< ;:98 7654 3210 /.-, +*)( '&%$ #"! */
|
|
320
|
1159 0x000000ad, /* 0000 0000 0000 0000 0000 0000 1010 1101 */
|
|
254
|
1160
|
|
|
1161 /* _^]\ [ZYX WVUT SRQP ONML KJIH GFED CBA@ */
|
|
|
1162 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */
|
|
10
|
1163
|
|
254
|
1164 /* ~}| {zyx wvut srqp onml kjih gfed cba` */
|
|
|
1165 0x80000000, /* 1000 0000 0000 0000 0000 0000 0000 0000 */
|
|
10
|
1166
|
|
254
|
1167 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */
|
|
|
1168 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */
|
|
|
1169 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */
|
|
|
1170 0xffffffff /* 1111 1111 1111 1111 1111 1111 1111 1111 */
|
|
|
1171 };
|
|
10
|
1172
|
|
328
|
1173 /* " ", """, "%", "'", %00-%1F, %7F-%FF */
|
|
10
|
1174
|
|
320
|
1175 static uint32_t refresh[] = {
|
|
|
1176 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */
|
|
|
1177
|
|
|
1178 /* ?>=< ;:98 7654 3210 /.-, +*)( '&%$ #"! */
|
|
346
|
1179 0x00000085, /* 0000 0000 0000 0000 0000 0000 1000 0101 */
|
|
320
|
1180
|
|
|
1181 /* _^]\ [ZYX WVUT SRQP ONML KJIH GFED CBA@ */
|
|
|
1182 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */
|
|
|
1183
|
|
|
1184 /* ~}| {zyx wvut srqp onml kjih gfed cba` */
|
|
|
1185 0x80000000, /* 1000 0000 0000 0000 0000 0000 0000 0000 */
|
|
|
1186
|
|
|
1187 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */
|
|
|
1188 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */
|
|
|
1189 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */
|
|
|
1190 0xffffffff /* 1111 1111 1111 1111 1111 1111 1111 1111 */
|
|
|
1191 };
|
|
|
1192
|
|
328
|
1193 /* " ", "%", %00-%1F */
|
|
322
|
1194
|
|
|
1195 static uint32_t memcached[] = {
|
|
|
1196 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */
|
|
|
1197
|
|
|
1198 /* ?>=< ;:98 7654 3210 /.-, +*)( '&%$ #"! */
|
|
328
|
1199 0x00000021, /* 0000 0000 0000 0000 0000 0000 0010 0001 */
|
|
322
|
1200
|
|
|
1201 /* _^]\ [ZYX WVUT SRQP ONML KJIH GFED CBA@ */
|
|
|
1202 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */
|
|
|
1203
|
|
|
1204 /* ~}| {zyx wvut srqp onml kjih gfed cba` */
|
|
|
1205 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */
|
|
|
1206
|
|
|
1207 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */
|
|
|
1208 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */
|
|
|
1209 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */
|
|
|
1210 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */
|
|
|
1211 };
|
|
|
1212
|
|
328
|
1213 /* mail_auth is the same as memcached */
|
|
|
1214
|
|
|
1215 static uint32_t *map[] =
|
|
|
1216 { uri, args, html, refresh, memcached, memcached };
|
|
320
|
1217
|
|
|
1218
|
|
|
1219 escape = map[type];
|
|
10
|
1220
|
|
2
|
1221 if (dst == NULL) {
|
|
|
1222
|
|
|
1223 /* find the number of the characters to be escaped */
|
|
0
|
1224
|
|
2
|
1225 n = 0;
|
|
|
1226
|
|
|
1227 for (i = 0; i < size; i++) {
|
|
|
1228 if (escape[*src >> 5] & (1 << (*src & 0x1f))) {
|
|
|
1229 n++;
|
|
|
1230 }
|
|
|
1231 src++;
|
|
|
1232 }
|
|
|
1233
|
|
34
|
1234 return (uintptr_t) n;
|
|
0
|
1235 }
|
|
|
1236
|
|
2
|
1237 for (i = 0; i < size; i++) {
|
|
|
1238 if (escape[*src >> 5] & (1 << (*src & 0x1f))) {
|
|
|
1239 *dst++ = '%';
|
|
|
1240 *dst++ = hex[*src >> 4];
|
|
|
1241 *dst++ = hex[*src & 0xf];
|
|
|
1242 src++;
|
|
0
|
1243
|
|
2
|
1244 } else {
|
|
|
1245 *dst++ = *src++;
|
|
|
1246 }
|
|
0
|
1247 }
|
|
|
1248
|
|
34
|
1249 return (uintptr_t) dst;
|
|
0
|
1250 }
|
|
126
|
1251
|
|
|
1252
|
|
|
1253 void
|
|
150
|
1254 ngx_unescape_uri(u_char **dst, u_char **src, size_t size, ngx_uint_t type)
|
|
126
|
1255 {
|
|
|
1256 u_char *d, *s, ch, c, decoded;
|
|
|
1257 enum {
|
|
|
1258 sw_usual = 0,
|
|
|
1259 sw_quoted,
|
|
|
1260 sw_quoted_second
|
|
|
1261 } state;
|
|
|
1262
|
|
|
1263 d = *dst;
|
|
|
1264 s = *src;
|
|
|
1265
|
|
|
1266 state = 0;
|
|
|
1267 decoded = 0;
|
|
|
1268
|
|
|
1269 while (size--) {
|
|
|
1270
|
|
|
1271 ch = *s++;
|
|
|
1272
|
|
|
1273 switch (state) {
|
|
|
1274 case sw_usual:
|
|
342
|
1275 if (ch == '?'
|
|
|
1276 && (type & (NGX_UNESCAPE_URI|NGX_UNESCAPE_REDIRECT)))
|
|
|
1277 {
|
|
126
|
1278 *d++ = ch;
|
|
|
1279 goto done;
|
|
|
1280 }
|
|
|
1281
|
|
|
1282 if (ch == '%') {
|
|
|
1283 state = sw_quoted;
|
|
|
1284 break;
|
|
|
1285 }
|
|
|
1286
|
|
|
1287 *d++ = ch;
|
|
|
1288 break;
|
|
|
1289
|
|
|
1290 case sw_quoted:
|
|
|
1291
|
|
|
1292 if (ch >= '0' && ch <= '9') {
|
|
|
1293 decoded = (u_char) (ch - '0');
|
|
|
1294 state = sw_quoted_second;
|
|
|
1295 break;
|
|
|
1296 }
|
|
|
1297
|
|
|
1298 c = (u_char) (ch | 0x20);
|
|
|
1299 if (c >= 'a' && c <= 'f') {
|
|
|
1300 decoded = (u_char) (c - 'a' + 10);
|
|
|
1301 state = sw_quoted_second;
|
|
|
1302 break;
|
|
|
1303 }
|
|
|
1304
|
|
138
|
1305 /* the invalid quoted character */
|
|
126
|
1306
|
|
138
|
1307 state = sw_usual;
|
|
|
1308
|
|
|
1309 *d++ = ch;
|
|
126
|
1310
|
|
|
1311 break;
|
|
|
1312
|
|
|
1313 case sw_quoted_second:
|
|
|
1314
|
|
138
|
1315 state = sw_usual;
|
|
|
1316
|
|
126
|
1317 if (ch >= '0' && ch <= '9') {
|
|
|
1318 ch = (u_char) ((decoded << 4) + ch - '0');
|
|
|
1319
|
|
342
|
1320 if (type & NGX_UNESCAPE_REDIRECT) {
|
|
150
|
1321 if (ch > '%' && ch < 0x7f) {
|
|
|
1322 *d++ = ch;
|
|
|
1323 break;
|
|
|
1324 }
|
|
|
1325
|
|
|
1326 *d++ = '%'; *d++ = *(s - 2); *d++ = *(s - 1);
|
|
|
1327
|
|
126
|
1328 break;
|
|
|
1329 }
|
|
|
1330
|
|
150
|
1331 *d++ = ch;
|
|
126
|
1332
|
|
|
1333 break;
|
|
|
1334 }
|
|
|
1335
|
|
|
1336 c = (u_char) (ch | 0x20);
|
|
|
1337 if (c >= 'a' && c <= 'f') {
|
|
|
1338 ch = (u_char) ((decoded << 4) + c - 'a' + 10);
|
|
|
1339
|
|
342
|
1340 if (type & NGX_UNESCAPE_URI) {
|
|
|
1341 if (ch == '?') {
|
|
|
1342 *d++ = ch;
|
|
|
1343 goto done;
|
|
|
1344 }
|
|
|
1345
|
|
|
1346 *d++ = ch;
|
|
|
1347 break;
|
|
|
1348 }
|
|
|
1349
|
|
|
1350 if (type & NGX_UNESCAPE_REDIRECT) {
|
|
150
|
1351 if (ch == '?') {
|
|
|
1352 *d++ = ch;
|
|
|
1353 goto done;
|
|
|
1354 }
|
|
126
|
1355
|
|
150
|
1356 if (ch > '%' && ch < 0x7f) {
|
|
|
1357 *d++ = ch;
|
|
|
1358 break;
|
|
|
1359 }
|
|
|
1360
|
|
|
1361 *d++ = '%'; *d++ = *(s - 2); *d++ = *(s - 1);
|
|
126
|
1362 break;
|
|
|
1363 }
|
|
|
1364
|
|
150
|
1365 *d++ = ch;
|
|
126
|
1366
|
|
|
1367 break;
|
|
|
1368 }
|
|
|
1369
|
|
138
|
1370 /* the invalid quoted character */
|
|
126
|
1371
|
|
|
1372 break;
|
|
|
1373 }
|
|
|
1374 }
|
|
|
1375
|
|
|
1376 done:
|
|
|
1377
|
|
|
1378 *dst = d;
|
|
|
1379 *src = s;
|
|
|
1380 }
|
|
132
|
1381
|
|
|
1382
|
|
340
|
1383 uintptr_t
|
|
|
1384 ngx_escape_html(u_char *dst, u_char *src, size_t size)
|
|
|
1385 {
|
|
|
1386 u_char ch;
|
|
|
1387 ngx_uint_t i, len;
|
|
|
1388
|
|
|
1389 if (dst == NULL) {
|
|
|
1390
|
|
|
1391 len = 0;
|
|
|
1392
|
|
|
1393 for (i = 0; i < size; i++) {
|
|
|
1394 switch (*src++) {
|
|
|
1395
|
|
|
1396 case '<':
|
|
|
1397 len += sizeof("<") - 2;
|
|
|
1398 break;
|
|
|
1399
|
|
|
1400 case '>':
|
|
|
1401 len += sizeof(">") - 2;
|
|
|
1402 break;
|
|
|
1403
|
|
|
1404 case '&':
|
|
|
1405 len += sizeof("&") - 2;
|
|
|
1406 break;
|
|
|
1407
|
|
|
1408 default:
|
|
|
1409 break;
|
|
|
1410 }
|
|
|
1411 }
|
|
|
1412
|
|
|
1413 return (uintptr_t) len;
|
|
|
1414 }
|
|
|
1415
|
|
|
1416 for (i = 0; i < size; i++) {
|
|
|
1417 ch = *src++;
|
|
|
1418
|
|
|
1419 switch (ch) {
|
|
|
1420
|
|
|
1421 case '<':
|
|
|
1422 *dst++ = '&'; *dst++ = 'l'; *dst++ = 't'; *dst++ = ';';
|
|
|
1423 break;
|
|
|
1424
|
|
|
1425 case '>':
|
|
|
1426 *dst++ = '&'; *dst++ = 'g'; *dst++ = 't'; *dst++ = ';';
|
|
|
1427 break;
|
|
|
1428
|
|
|
1429 case '&':
|
|
|
1430 *dst++ = '&'; *dst++ = 'a'; *dst++ = 'm'; *dst++ = 'p';
|
|
|
1431 *dst++ = ';';
|
|
|
1432 break;
|
|
|
1433
|
|
|
1434 default:
|
|
|
1435 *dst++ = ch;
|
|
|
1436 break;
|
|
|
1437 }
|
|
|
1438 }
|
|
|
1439
|
|
|
1440 return (uintptr_t) dst;
|
|
|
1441 }
|
|
|
1442
|
|
|
1443
|
|
302
|
1444 /* ngx_sort() is implemented as insertion sort because we need stable sort */
|
|
|
1445
|
|
|
1446 void
|
|
|
1447 ngx_sort(void *base, size_t n, size_t size,
|
|
372
|
1448 ngx_int_t (*cmp)(const void *, const void *))
|
|
302
|
1449 {
|
|
372
|
1450 u_char *p1, *p2, *p;
|
|
|
1451
|
|
|
1452 p = ngx_alloc(size, ngx_cycle->log);
|
|
|
1453 if (p == NULL) {
|
|
|
1454 return;
|
|
|
1455 }
|
|
302
|
1456
|
|
|
1457 for (p1 = (u_char *) base + size;
|
|
|
1458 p1 < (u_char *) base + n * size;
|
|
|
1459 p1 += size)
|
|
|
1460 {
|
|
372
|
1461 ngx_memcpy(p, p1, size);
|
|
302
|
1462
|
|
|
1463 for (p2 = p1;
|
|
372
|
1464 p2 > (u_char *) base && cmp(p2 - size, p) > 0;
|
|
302
|
1465 p2 -= size)
|
|
|
1466 {
|
|
|
1467 ngx_memcpy(p2, p2 - size, size);
|
|
|
1468 }
|
|
|
1469
|
|
372
|
1470 ngx_memcpy(p2, p, size);
|
|
302
|
1471 }
|
|
372
|
1472
|
|
|
1473 ngx_free(p);
|
|
302
|
1474 }
|
|
|
1475
|
|
|
1476
|
|
132
|
1477 #if (NGX_MEMCPY_LIMIT)
|
|
|
1478
|
|
|
1479 void *
|
|
|
1480 ngx_memcpy(void *dst, void *src, size_t n)
|
|
|
1481 {
|
|
|
1482 if (n > NGX_MEMCPY_LIMIT) {
|
|
|
1483 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0, "memcpy %uz bytes", n);
|
|
|
1484 ngx_debug_point();
|
|
|
1485 }
|
|
|
1486
|
|
|
1487 return memcpy(dst, src, n);
|
|
|
1488 }
|
|
|
1489
|
|
|
1490 #endif
|
