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