summaryrefslogtreecommitdiff
path: root/ext/standard/url_scanner_ex.c
blob: 48910515f7c5a2ee500b3026cd7c5bc4d67cbb14 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
/* Generated by re2c 0.13.5 */
#line 1 "ext/standard/url_scanner_ex.re"
/*
  +----------------------------------------------------------------------+
  | PHP Version 5                                                        |
  +----------------------------------------------------------------------+
  | Copyright (c) 1997-2014 The PHP Group                                |
  +----------------------------------------------------------------------+
  | This source file is subject to version 3.01 of the PHP license,      |
  | that is bundled with this package in the file LICENSE, and is        |
  | available through the world-wide-web at the following url:           |
  | http://www.php.net/license/3_01.txt                                  |
  | If you did not receive a copy of the PHP license and are unable to   |
  | obtain it through the world-wide-web, please send a note to          |
  | license@php.net so we can mail you a copy immediately.               |
  +----------------------------------------------------------------------+
  | Author: Sascha Schumann <sascha@schumann.cx>                         |
  +----------------------------------------------------------------------+
*/

/* $Id$ */

#include "php.h"

#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_LIMITS_H
#include <limits.h>
#endif

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "php_ini.h"
#include "php_globals.h"
#define STATE_TAG SOME_OTHER_STATE_TAG
#include "basic_functions.h"
#include "url.h"
#undef STATE_TAG

#define url_scanner url_scanner_ex

#include "php_smart_str.h"

static void tag_dtor(zval *zv)
{
	free(Z_PTR_P(zv));
}

static PHP_INI_MH(OnUpdateTags)
{
	url_adapt_state_ex_t *ctx;
	char *key;
	char *lasts;
	char *tmp;
	
	ctx = &BG(url_adapt_state_ex);
	
	tmp = estrndup(new_value, new_value_length);
	
	if (ctx->tags)
		zend_hash_destroy(ctx->tags);
	else {
		ctx->tags = malloc(sizeof(HashTable));
		if (!ctx->tags) {
			return FAILURE;
		}
	}

	zend_hash_init(ctx->tags, 0, NULL, tag_dtor, 1);
	
	for (key = php_strtok_r(tmp, ",", &lasts);
			key;
			key = php_strtok_r(NULL, ",", &lasts)) {
		char *val;

		val = strchr(key, '=');
		if (val) {
			char *q;
			int keylen;
			
			*val++ = '\0';
			for (q = key; *q; q++)
				*q = tolower(*q);
			keylen = q - key;
			/* key is stored withOUT NUL
			   val is stored WITH    NUL */
			zend_hash_str_add_mem(ctx->tags, key, keylen, val, strlen(val)+1);
		}
	}

	efree(tmp);

	return SUCCESS;
}

PHP_INI_BEGIN()
	STD_PHP_INI_ENTRY("url_rewriter.tags", "a=href,area=href,frame=src,form=,fieldset=", PHP_INI_ALL, OnUpdateTags, url_adapt_state_ex, php_basic_globals, basic_globals)
PHP_INI_END()

#line 107 "ext/standard/url_scanner_ex.re"


#define YYFILL(n) goto done
#define YYCTYPE unsigned char
#define YYCURSOR p
#define YYLIMIT q
#define YYMARKER r
	
static inline void append_modified_url(smart_str *url, smart_str *dest, smart_str *url_app, const char *separator)
{
	register const char *p, *q;
	const char *bash = NULL;
	const char *sep = "?";
	
	q = (p = url->s->val) + url->s->len;

scan:

#line 123 "ext/standard/url_scanner_ex.c"
{
	YYCTYPE yych;
	static const unsigned char yybm[] = {
		128, 128, 128, 128, 128, 128, 128, 128, 
		128, 128, 128, 128, 128, 128, 128, 128, 
		128, 128, 128, 128, 128, 128, 128, 128, 
		128, 128, 128, 128, 128, 128, 128, 128, 
		128, 128, 128,   0, 128, 128, 128, 128, 
		128, 128, 128, 128, 128, 128, 128, 128, 
		128, 128, 128, 128, 128, 128, 128, 128, 
		128, 128,   0, 128, 128, 128, 128,   0, 
		128, 128, 128, 128, 128, 128, 128, 128, 
		128, 128, 128, 128, 128, 128, 128, 128, 
		128, 128, 128, 128, 128, 128, 128, 128, 
		128, 128, 128, 128, 128, 128, 128, 128, 
		128, 128, 128, 128, 128, 128, 128, 128, 
		128, 128, 128, 128, 128, 128, 128, 128, 
		128, 128, 128, 128, 128, 128, 128, 128, 
		128, 128, 128, 128, 128, 128, 128, 128, 
		128, 128, 128, 128, 128, 128, 128, 128, 
		128, 128, 128, 128, 128, 128, 128, 128, 
		128, 128, 128, 128, 128, 128, 128, 128, 
		128, 128, 128, 128, 128, 128, 128, 128, 
		128, 128, 128, 128, 128, 128, 128, 128, 
		128, 128, 128, 128, 128, 128, 128, 128, 
		128, 128, 128, 128, 128, 128, 128, 128, 
		128, 128, 128, 128, 128, 128, 128, 128, 
		128, 128, 128, 128, 128, 128, 128, 128, 
		128, 128, 128, 128, 128, 128, 128, 128, 
		128, 128, 128, 128, 128, 128, 128, 128, 
		128, 128, 128, 128, 128, 128, 128, 128, 
		128, 128, 128, 128, 128, 128, 128, 128, 
		128, 128, 128, 128, 128, 128, 128, 128, 
		128, 128, 128, 128, 128, 128, 128, 128, 
		128, 128, 128, 128, 128, 128, 128, 128, 
	};

	if (YYLIMIT <= YYCURSOR) YYFILL(1);
	yych = *YYCURSOR;
	if (yybm[0+yych] & 128) {
		goto yy8;
	}
	if (yych <= '9') goto yy6;
	if (yych >= ';') goto yy4;
	++YYCURSOR;
#line 125 "ext/standard/url_scanner_ex.re"
	{ smart_str_append(dest, url); return; }
#line 171 "ext/standard/url_scanner_ex.c"
yy4:
	++YYCURSOR;
#line 126 "ext/standard/url_scanner_ex.re"
	{ sep = separator; goto scan; }
#line 176 "ext/standard/url_scanner_ex.c"
yy6:
	++YYCURSOR;
#line 127 "ext/standard/url_scanner_ex.re"
	{ bash = p - 1; goto done; }
#line 181 "ext/standard/url_scanner_ex.c"
yy8:
	++YYCURSOR;
	if (YYLIMIT <= YYCURSOR) YYFILL(1);
	yych = *YYCURSOR;
	if (yybm[0+yych] & 128) {
		goto yy8;
	}
#line 128 "ext/standard/url_scanner_ex.re"
	{ goto scan; }
#line 191 "ext/standard/url_scanner_ex.c"
}
#line 129 "ext/standard/url_scanner_ex.re"

done:
	
	/* Don't modify URLs of the format "#mark" */
	if (bash && bash - url->s->val == 0) {
		smart_str_append(dest, url);
		return;
	}

	if (bash)
		smart_str_appendl(dest, url->s->val, bash - url->s->val);
	else
		smart_str_append(dest, url);

	smart_str_appends(dest, sep);
	smart_str_append(dest, url_app);

	if (bash)
		smart_str_appendl(dest, bash, q - bash);
}


#undef YYFILL
#undef YYCTYPE
#undef YYCURSOR
#undef YYLIMIT
#undef YYMARKER

static inline void tag_arg(url_adapt_state_ex_t *ctx, char quotes, char type TSRMLS_DC)
{
	char f = 0;

	if (strncasecmp(ctx->arg.s->val, ctx->lookup_data, ctx->arg.s->len) == 0)
		f = 1;

	if (quotes)
		smart_str_appendc(&ctx->result, type);
	if (f) {
		append_modified_url(&ctx->val, &ctx->result, &ctx->url_app, PG(arg_separator).output);
	} else {
		smart_str_append(&ctx->result, &ctx->val);
	}
	if (quotes)
		smart_str_appendc(&ctx->result, type);
}

enum {
	STATE_PLAIN = 0,
	STATE_TAG,
	STATE_NEXT_ARG,
	STATE_ARG,
	STATE_BEFORE_VAL,
	STATE_VAL
};

#define YYFILL(n) goto stop
#define YYCTYPE unsigned char
#define YYCURSOR xp
#define YYLIMIT end
#define YYMARKER q
#define STATE ctx->state

#define STD_PARA url_adapt_state_ex_t *ctx, char *start, char *YYCURSOR TSRMLS_DC
#define STD_ARGS ctx, start, xp TSRMLS_CC

#if SCANNER_DEBUG
#define scdebug(x) printf x
#else
#define scdebug(x)
#endif

static inline void passthru(STD_PARA) 
{
	scdebug(("appending %d chars, starting with %c\n", YYCURSOR-start, *start));
	smart_str_appendl(&ctx->result, start, YYCURSOR - start);
}

/*
 * This function appends a hidden input field after a <form> or
 * <fieldset>.  The latter is important for XHTML.
 */

static void handle_form(STD_PARA) 
{
	int doit = 0;

	if (ctx->form_app.s->len > 0) {
		switch (ctx->tag.s->len) {
			case sizeof("form") - 1:
				if (!strncasecmp(ctx->tag.s->val, "form", sizeof("form") - 1)) {
					doit = 1;		
				}
				if (doit && ctx->val.s && ctx->lookup_data && *ctx->lookup_data) {
					char *e, *p = (char *)zend_memnstr(ctx->val.s->val, "://", sizeof("://") - 1, ctx->val.s->val + ctx->val.s->len);
					if (p) {
						e = memchr(p, '/', (ctx->val.s->val + ctx->val.s->len) - p);
						if (!e) {
							e = ctx->val.s->val + ctx->val.s->len;
						}
						if ((e - p) && strncasecmp(p, ctx->lookup_data, (e - p))) {
							doit = 0;
						}
					}
				}
				break;

			case sizeof("fieldset") - 1:
				if (!strncasecmp(ctx->tag.s->val, "fieldset", sizeof("fieldset") - 1)) {
					doit = 1;		
				}
				break;
		}

		if (doit)
			smart_str_append(&ctx->result, &ctx->form_app);
	}
}

/*
 *  HANDLE_TAG copies the HTML Tag and checks whether we 
 *  have that tag in our table. If we might modify it,
 *  we continue to scan the tag, otherwise we simply copy the complete
 *  HTML stuff to the result buffer.
 */

static inline void handle_tag(STD_PARA) 
{
	int ok = 0;
	unsigned int i;

	if (ctx->tag.s) {
		ctx->tag.s->len = 0;
	}
	smart_str_appendl(&ctx->tag, start, YYCURSOR - start);
	for (i = 0; i < ctx->tag.s->len; i++)
		ctx->tag.s->val[i] = tolower((int)(unsigned char)ctx->tag.s->val[i]);
    /* intentionally using str_find here, in case the hash value is set, but the string val is changed later */
	if ((ctx->lookup_data = zend_hash_str_find_ptr(ctx->tags, ctx->tag.s->val, ctx->tag.s->len)) != NULL)
		ok = 1;
	STATE = ok ? STATE_NEXT_ARG : STATE_PLAIN;
}

static inline void handle_arg(STD_PARA) 
{
	if (ctx->arg.s) {
		ctx->arg.s->len = 0;
	}
	smart_str_appendl(&ctx->arg, start, YYCURSOR - start);
}

static inline void handle_val(STD_PARA, char quotes, char type) 
{
	smart_str_setl(&ctx->val, start + quotes, YYCURSOR - start - quotes * 2);
	tag_arg(ctx, quotes, type TSRMLS_CC);
}

static inline void xx_mainloop(url_adapt_state_ex_t *ctx, const char *newdata, size_t newlen TSRMLS_DC)
{
	char *end, *q;
	char *xp;
	char *start;
	int rest;

	smart_str_appendl(&ctx->buf, newdata, newlen);
	
	YYCURSOR = ctx->buf.s->val;
	YYLIMIT = ctx->buf.s->val + ctx->buf.s->len;

	switch (STATE) {
		case STATE_PLAIN: goto state_plain;
		case STATE_TAG: goto state_tag;
		case STATE_NEXT_ARG: goto state_next_arg;
		case STATE_ARG: goto state_arg;
		case STATE_BEFORE_VAL: goto state_before_val;
		case STATE_VAL: goto state_val;
	}
	

state_plain_begin:
	STATE = STATE_PLAIN;
	
state_plain:
	start = YYCURSOR;

#line 378 "ext/standard/url_scanner_ex.c"
{
	YYCTYPE yych;
	static const unsigned char yybm[] = {
		128, 128, 128, 128, 128, 128, 128, 128, 
		128, 128, 128, 128, 128, 128, 128, 128, 
		128, 128, 128, 128, 128, 128, 128, 128, 
		128, 128, 128, 128, 128, 128, 128, 128, 
		128, 128, 128, 128, 128, 128, 128, 128, 
		128, 128, 128, 128, 128, 128, 128, 128, 
		128, 128, 128, 128, 128, 128, 128, 128, 
		128, 128, 128, 128,   0, 128, 128, 128, 
		128, 128, 128, 128, 128, 128, 128, 128, 
		128, 128, 128, 128, 128, 128, 128, 128, 
		128, 128, 128, 128, 128, 128, 128, 128, 
		128, 128, 128, 128, 128, 128, 128, 128, 
		128, 128, 128, 128, 128, 128, 128, 128, 
		128, 128, 128, 128, 128, 128, 128, 128, 
		128, 128, 128, 128, 128, 128, 128, 128, 
		128, 128, 128, 128, 128, 128, 128, 128, 
		128, 128, 128, 128, 128, 128, 128, 128, 
		128, 128, 128, 128, 128, 128, 128, 128, 
		128, 128, 128, 128, 128, 128, 128, 128, 
		128, 128, 128, 128, 128, 128, 128, 128, 
		128, 128, 128, 128, 128, 128, 128, 128, 
		128, 128, 128, 128, 128, 128, 128, 128, 
		128, 128, 128, 128, 128, 128, 128, 128, 
		128, 128, 128, 128, 128, 128, 128, 128, 
		128, 128, 128, 128, 128, 128, 128, 128, 
		128, 128, 128, 128, 128, 128, 128, 128, 
		128, 128, 128, 128, 128, 128, 128, 128, 
		128, 128, 128, 128, 128, 128, 128, 128, 
		128, 128, 128, 128, 128, 128, 128, 128, 
		128, 128, 128, 128, 128, 128, 128, 128, 
		128, 128, 128, 128, 128, 128, 128, 128, 
		128, 128, 128, 128, 128, 128, 128, 128, 
	};
	if (YYLIMIT <= YYCURSOR) YYFILL(1);
	yych = *YYCURSOR;
	if (yybm[0+yych] & 128) {
		goto yy15;
	}
	++YYCURSOR;
#line 313 "ext/standard/url_scanner_ex.re"
	{ passthru(STD_ARGS); STATE = STATE_TAG; goto state_tag; }
#line 423 "ext/standard/url_scanner_ex.c"
yy15:
	++YYCURSOR;
	if (YYLIMIT <= YYCURSOR) YYFILL(1);
	yych = *YYCURSOR;
	if (yybm[0+yych] & 128) {
		goto yy15;
	}
#line 314 "ext/standard/url_scanner_ex.re"
	{ passthru(STD_ARGS); goto state_plain; }
#line 433 "ext/standard/url_scanner_ex.c"
}
#line 315 "ext/standard/url_scanner_ex.re"


state_tag:	
	start = YYCURSOR;

#line 441 "ext/standard/url_scanner_ex.c"
{
	YYCTYPE yych;
	static const unsigned char yybm[] = {
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0, 128,   0,   0,   0,   0,   0, 
		  0, 128, 128, 128, 128, 128, 128, 128, 
		128, 128, 128, 128, 128, 128, 128, 128, 
		128, 128, 128, 128, 128, 128, 128, 128, 
		128, 128, 128,   0,   0,   0,   0,   0, 
		  0, 128, 128, 128, 128, 128, 128, 128, 
		128, 128, 128, 128, 128, 128, 128, 128, 
		128, 128, 128, 128, 128, 128, 128, 128, 
		128, 128, 128,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
	};
	if ((YYLIMIT - YYCURSOR) < 2) YYFILL(2);
	yych = *YYCURSOR;
	if (yych <= '@') {
		if (yych != ':') goto yy22;
	} else {
		if (yych <= 'Z') goto yy20;
		if (yych <= '`') goto yy22;
		if (yych >= '{') goto yy22;
	}
yy20:
	++YYCURSOR;
	yych = *YYCURSOR;
	goto yy25;
yy21:
#line 320 "ext/standard/url_scanner_ex.re"
	{ handle_tag(STD_ARGS); /* Sets STATE */; passthru(STD_ARGS); if (STATE == STATE_PLAIN) goto state_plain; else goto state_next_arg; }
#line 494 "ext/standard/url_scanner_ex.c"
yy22:
	++YYCURSOR;
#line 321 "ext/standard/url_scanner_ex.re"
	{ passthru(STD_ARGS); goto state_plain_begin; }
#line 499 "ext/standard/url_scanner_ex.c"
yy24:
	++YYCURSOR;
	if (YYLIMIT <= YYCURSOR) YYFILL(1);
	yych = *YYCURSOR;
yy25:
	if (yybm[0+yych] & 128) {
		goto yy24;
	}
	goto yy21;
}
#line 322 "ext/standard/url_scanner_ex.re"


state_next_arg_begin:
	STATE = STATE_NEXT_ARG;
	
state_next_arg:
	start = YYCURSOR;

#line 519 "ext/standard/url_scanner_ex.c"
{
	YYCTYPE yych;
	static const unsigned char yybm[] = {
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0, 128, 128, 128,   0, 128,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		128,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
	};
	if ((YYLIMIT - YYCURSOR) < 2) YYFILL(2);
	yych = *YYCURSOR;
	if (yych <= '.') {
		if (yych <= '\f') {
			if (yych <= 0x08) goto yy36;
			if (yych <= '\v') goto yy32;
			goto yy36;
		} else {
			if (yych <= '\r') goto yy32;
			if (yych == ' ') goto yy32;
			goto yy36;
		}
	} else {
		if (yych <= '@') {
			if (yych <= '/') goto yy28;
			if (yych == '>') goto yy30;
			goto yy36;
		} else {
			if (yych <= 'Z') goto yy34;
			if (yych <= '`') goto yy36;
			if (yych <= 'z') goto yy34;
			goto yy36;
		}
	}
yy28:
	++YYCURSOR;
	if ((yych = *YYCURSOR) == '>') goto yy39;
yy29:
#line 333 "ext/standard/url_scanner_ex.re"
	{ passthru(STD_ARGS); goto state_plain_begin; }
#line 586 "ext/standard/url_scanner_ex.c"
yy30:
	++YYCURSOR;
yy31:
#line 330 "ext/standard/url_scanner_ex.re"
	{ passthru(STD_ARGS); handle_form(STD_ARGS); goto state_plain_begin; }
#line 592 "ext/standard/url_scanner_ex.c"
yy32:
	++YYCURSOR;
	yych = *YYCURSOR;
	goto yy38;
yy33:
#line 331 "ext/standard/url_scanner_ex.re"
	{ passthru(STD_ARGS); goto state_next_arg; }
#line 600 "ext/standard/url_scanner_ex.c"
yy34:
	++YYCURSOR;
#line 332 "ext/standard/url_scanner_ex.re"
	{ --YYCURSOR; STATE = STATE_ARG; goto state_arg; }
#line 605 "ext/standard/url_scanner_ex.c"
yy36:
	yych = *++YYCURSOR;
	goto yy29;
yy37:
	++YYCURSOR;
	if (YYLIMIT <= YYCURSOR) YYFILL(1);
	yych = *YYCURSOR;
yy38:
	if (yybm[0+yych] & 128) {
		goto yy37;
	}
	goto yy33;
yy39:
	++YYCURSOR;
	yych = *YYCURSOR;
	goto yy31;
}
#line 334 "ext/standard/url_scanner_ex.re"


state_arg:
	start = YYCURSOR;

#line 629 "ext/standard/url_scanner_ex.c"
{
	YYCTYPE yych;
	static const unsigned char yybm[] = {
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0, 128,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0, 128, 128, 128, 128, 128, 128, 128, 
		128, 128, 128, 128, 128, 128, 128, 128, 
		128, 128, 128, 128, 128, 128, 128, 128, 
		128, 128, 128,   0,   0,   0,   0,   0, 
		  0, 128, 128, 128, 128, 128, 128, 128, 
		128, 128, 128, 128, 128, 128, 128, 128, 
		128, 128, 128, 128, 128, 128, 128, 128, 
		128, 128, 128,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
	};
	if ((YYLIMIT - YYCURSOR) < 2) YYFILL(2);
	yych = *YYCURSOR;
	if (yych <= '@') goto yy44;
	if (yych <= 'Z') goto yy42;
	if (yych <= '`') goto yy44;
	if (yych >= '{') goto yy44;
yy42:
	++YYCURSOR;
	yych = *YYCURSOR;
	goto yy47;
yy43:
#line 339 "ext/standard/url_scanner_ex.re"
	{ passthru(STD_ARGS); handle_arg(STD_ARGS); STATE = STATE_BEFORE_VAL; goto state_before_val; }
#line 679 "ext/standard/url_scanner_ex.c"
yy44:
	++YYCURSOR;
#line 340 "ext/standard/url_scanner_ex.re"
	{ passthru(STD_ARGS); STATE = STATE_NEXT_ARG; goto state_next_arg; }
#line 684 "ext/standard/url_scanner_ex.c"
yy46:
	++YYCURSOR;
	if (YYLIMIT <= YYCURSOR) YYFILL(1);
	yych = *YYCURSOR;
yy47:
	if (yybm[0+yych] & 128) {
		goto yy46;
	}
	goto yy43;
}
#line 341 "ext/standard/url_scanner_ex.re"


state_before_val:
	start = YYCURSOR;

#line 701 "ext/standard/url_scanner_ex.c"
{
	YYCTYPE yych;
	static const unsigned char yybm[] = {
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		128,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
		  0,   0,   0,   0,   0,   0,   0,   0, 
	};
	if ((YYLIMIT - YYCURSOR) < 2) YYFILL(2);
	yych = *YYCURSOR;
	if (yych == ' ') goto yy50;
	if (yych == '=') goto yy52;
	goto yy54;
yy50:
	yych = *(YYMARKER = ++YYCURSOR);
	if (yych == ' ') goto yy57;
	if (yych == '=') goto yy55;
yy51:
#line 347 "ext/standard/url_scanner_ex.re"
	{ --YYCURSOR; goto state_next_arg_begin; }
#line 750 "ext/standard/url_scanner_ex.c"
yy52:
	++YYCURSOR;
	yych = *YYCURSOR;
	goto yy56;
yy53:
#line 346 "ext/standard/url_scanner_ex.re"
	{ passthru(STD_ARGS); STATE = STATE_VAL; goto state_val; }
#line 758 "ext/standard/url_scanner_ex.c"
yy54:
	yych = *++YYCURSOR;
	goto yy51;
yy55:
	++YYCURSOR;
	if (YYLIMIT <= YYCURSOR) YYFILL(1);
	yych = *YYCURSOR;
yy56:
	if (yybm[0+yych] & 128) {
		goto yy55;
	}
	goto yy53;
yy57:
	++YYCURSOR;
	if (YYLIMIT <= YYCURSOR) YYFILL(1);
	yych = *YYCURSOR;
	if (yych == ' ') goto yy57;
	if (yych == '=') goto yy55;
	YYCURSOR = YYMARKER;
	goto yy51;
}
#line 348 "ext/standard/url_scanner_ex.re"



state_val:
	start = YYCURSOR;

#line 787 "ext/standard/url_scanner_ex.c"
{
	YYCTYPE yych;
	static const unsigned char yybm[] = {
		224, 224, 224, 224, 224, 224, 224, 224, 
		224, 192, 192, 224, 224, 192, 224, 224, 
		224, 224, 224, 224, 224, 224, 224, 224, 
		224, 224, 224, 224, 224, 224, 224, 224, 
		192, 224,  64, 224, 224, 224, 224, 128, 
		224, 224, 224, 224, 224, 224, 224, 224, 
		224, 224, 224, 224, 224, 224, 224, 224, 
		224, 224, 224, 224, 224, 224,   0, 224, 
		224, 224, 224, 224, 224, 224, 224, 224, 
		224, 224, 224, 224, 224, 224, 224, 224, 
		224, 224, 224, 224, 224, 224, 224, 224, 
		224, 224, 224, 224, 224, 224, 224, 224, 
		224, 224, 224, 224, 224, 224, 224, 224, 
		224, 224, 224, 224, 224, 224, 224, 224, 
		224, 224, 224, 224, 224, 224, 224, 224, 
		224, 224, 224, 224, 224, 224, 224, 224, 
		224, 224, 224, 224, 224, 224, 224, 224, 
		224, 224, 224, 224, 224, 224, 224, 224, 
		224, 224, 224, 224, 224, 224, 224, 224, 
		224, 224, 224, 224, 224, 224, 224, 224, 
		224, 224, 224, 224, 224, 224, 224, 224, 
		224, 224, 224, 224, 224, 224, 224, 224, 
		224, 224, 224, 224, 224, 224, 224, 224, 
		224, 224, 224, 224, 224, 224, 224, 224, 
		224, 224, 224, 224, 224, 224, 224, 224, 
		224, 224, 224, 224, 224, 224, 224, 224, 
		224, 224, 224, 224, 224, 224, 224, 224, 
		224, 224, 224, 224, 224, 224, 224, 224, 
		224, 224, 224, 224, 224, 224, 224, 224, 
		224, 224, 224, 224, 224, 224, 224, 224, 
		224, 224, 224, 224, 224, 224, 224, 224, 
		224, 224, 224, 224, 224, 224, 224, 224, 
	};
	if ((YYLIMIT - YYCURSOR) < 2) YYFILL(2);
	yych = *YYCURSOR;
	if (yych <= ' ') {
		if (yych <= '\f') {
			if (yych <= 0x08) goto yy65;
			if (yych <= '\n') goto yy67;
			goto yy65;
		} else {
			if (yych <= '\r') goto yy67;
			if (yych <= 0x1F) goto yy65;
			goto yy67;
		}
	} else {
		if (yych <= '&') {
			if (yych != '"') goto yy65;
		} else {
			if (yych <= '\'') goto yy64;
			if (yych == '>') goto yy67;
			goto yy65;
		}
	}
	yych = *(YYMARKER = ++YYCURSOR);
	if (yych != '>') goto yy76;
yy63:
#line 357 "ext/standard/url_scanner_ex.re"
	{ passthru(STD_ARGS); goto state_next_arg_begin; }
#line 850 "ext/standard/url_scanner_ex.c"
yy64:
	yych = *(YYMARKER = ++YYCURSOR);
	if (yych == '>') goto yy63;
	goto yy71;
yy65:
	++YYCURSOR;
	yych = *YYCURSOR;
	goto yy69;
yy66:
#line 356 "ext/standard/url_scanner_ex.re"
	{ handle_val(STD_ARGS, 0, ' '); goto state_next_arg_begin; }
#line 862 "ext/standard/url_scanner_ex.c"
yy67:
	yych = *++YYCURSOR;
	goto yy63;
yy68:
	++YYCURSOR;
	if (YYLIMIT <= YYCURSOR) YYFILL(1);
	yych = *YYCURSOR;
yy69:
	if (yybm[0+yych] & 32) {
		goto yy68;
	}
	goto yy66;
yy70:
	++YYCURSOR;
	if (YYLIMIT <= YYCURSOR) YYFILL(1);
	yych = *YYCURSOR;
yy71:
	if (yybm[0+yych] & 64) {
		goto yy70;
	}
	if (yych <= '=') goto yy73;
yy72:
	YYCURSOR = YYMARKER;
	goto yy63;
yy73:
	++YYCURSOR;
#line 355 "ext/standard/url_scanner_ex.re"
	{ handle_val(STD_ARGS, 1, '\''); goto state_next_arg_begin; }
#line 891 "ext/standard/url_scanner_ex.c"
yy75:
	++YYCURSOR;
	if (YYLIMIT <= YYCURSOR) YYFILL(1);
	yych = *YYCURSOR;
yy76:
	if (yybm[0+yych] & 128) {
		goto yy75;
	}
	if (yych >= '>') goto yy72;
	++YYCURSOR;
#line 354 "ext/standard/url_scanner_ex.re"
	{ handle_val(STD_ARGS, 1, '"'); goto state_next_arg_begin; }
#line 904 "ext/standard/url_scanner_ex.c"
}
#line 358 "ext/standard/url_scanner_ex.re"


stop:
	rest = YYLIMIT - start;
	scdebug(("stopped in state %d at pos %d (%d:%c) %d\n", STATE, YYCURSOR - ctx->buf.c, *YYCURSOR, *YYCURSOR, rest));
	/* XXX: Crash avoidance. Need to work with reporter to figure out what goes wrong */	
	if (rest < 0) rest = 0;
	
	if (rest) memmove(ctx->buf.s->val, start, rest);
	ctx->buf.s->len = rest;
}

char *php_url_scanner_adapt_single_url(const char *url, size_t urllen, const char *name, const char *value, size_t *newlen TSRMLS_DC)
{
	char *result;
	smart_str surl = {0};
	smart_str buf = {0};
	smart_str url_app = {0};

	smart_str_setl(&surl, url, urllen);

	smart_str_appends(&url_app, name);
	smart_str_appendc(&url_app, '=');
	smart_str_appends(&url_app, value);

	append_modified_url(&surl, &buf, &url_app, PG(arg_separator).output);

	smart_str_0(&buf);
	if (newlen) *newlen = buf.s->len;
	result = estrndup(buf.s->val, buf.s->len);

	smart_str_free(&url_app);
	smart_str_free(&buf);

	return result;
}


static char *url_adapt_ext(const char *src, size_t srclen, size_t *newlen, zend_bool do_flush TSRMLS_DC)
{
	url_adapt_state_ex_t *ctx;
	char *retval;

	ctx = &BG(url_adapt_state_ex);

	xx_mainloop(ctx, src, srclen TSRMLS_CC);

	if (!ctx->result.s) {
		smart_str_appendl(&ctx->result, "", 0);
		*newlen = 0;
	} else {
		*newlen = ctx->result.s->len;
	}
	smart_str_0(&ctx->result);
	if (do_flush) {
		smart_str_appendl(&ctx->result, ctx->buf.s->val, ctx->buf.s->len);
		*newlen += ctx->buf.s->len;
		smart_str_free(&ctx->buf);
		smart_str_free(&ctx->val);
	}
	retval = estrndup(ctx->result.s->val, ctx->result.s->len);
	smart_str_free(&ctx->result);
	return retval;
}

static int php_url_scanner_ex_activate(TSRMLS_D)
{
	url_adapt_state_ex_t *ctx;
	
	ctx = &BG(url_adapt_state_ex);

	memset(ctx, 0, ((size_t) &((url_adapt_state_ex_t *)0)->tags));

	return SUCCESS;
}

static int php_url_scanner_ex_deactivate(TSRMLS_D)
{
	url_adapt_state_ex_t *ctx;
	
	ctx = &BG(url_adapt_state_ex);

	smart_str_free(&ctx->result);
	smart_str_free(&ctx->buf);
	smart_str_free(&ctx->tag);
	smart_str_free(&ctx->arg);

	return SUCCESS;
}

static void php_url_scanner_output_handler(char *output, uint output_len, char **handled_output, uint *handled_output_len, int mode TSRMLS_DC)
{
	size_t len;

	if (BG(url_adapt_state_ex).url_app.s->len != 0) {
		*handled_output = url_adapt_ext(output, output_len, &len, (zend_bool) (mode & (PHP_OUTPUT_HANDLER_END | PHP_OUTPUT_HANDLER_CONT | PHP_OUTPUT_HANDLER_FLUSH | PHP_OUTPUT_HANDLER_FINAL) ? 1 : 0) TSRMLS_CC);
		if (sizeof(uint) < sizeof(size_t)) {
			if (len > UINT_MAX)
				len = UINT_MAX;
		}
		*handled_output_len = len;
	} else if (BG(url_adapt_state_ex).url_app.s->len == 0) {
		url_adapt_state_ex_t *ctx = &BG(url_adapt_state_ex);
		if (ctx->buf.s && ctx->buf.s->len) {
			smart_str_appendl(&ctx->result, ctx->buf.s->val, ctx->buf.s->len);
			smart_str_appendl(&ctx->result, output, output_len);

			*handled_output = estrndup(ctx->result.s->val, ctx->result.s->len);
			*handled_output_len = ctx->buf.s->len + output_len;

			smart_str_free(&ctx->buf);
			smart_str_free(&ctx->result);
		} else {
			*handled_output = estrndup(output, *handled_output_len = output_len);
		}
	} else {
		*handled_output = NULL;
	}
}

PHPAPI int php_url_scanner_add_var(char *name, int name_len, char *value, int value_len, int urlencode TSRMLS_DC)
{
	smart_str val = {0};
	zend_string *encoded;
	
	if (!BG(url_adapt_state_ex).active) {
		php_url_scanner_ex_activate(TSRMLS_C);
		php_output_start_internal(ZEND_STRL("URL-Rewriter"), php_url_scanner_output_handler, 0, PHP_OUTPUT_HANDLER_STDFLAGS TSRMLS_CC);
		BG(url_adapt_state_ex).active = 1;
	}


	if (BG(url_adapt_state_ex).url_app.s && BG(url_adapt_state_ex).url_app.s->len != 0) {
		smart_str_appends(&BG(url_adapt_state_ex).url_app, PG(arg_separator).output);
	}

	if (urlencode) {
		encoded = php_url_encode(value, value_len);
		smart_str_setl(&val, encoded->val, encoded->len);
	} else {
		smart_str_setl(&val, value, value_len);
	}
	
	smart_str_appendl(&BG(url_adapt_state_ex).url_app, name, name_len);
	smart_str_appendc(&BG(url_adapt_state_ex).url_app, '=');
	smart_str_append(&BG(url_adapt_state_ex).url_app, &val);

	smart_str_appends(&BG(url_adapt_state_ex).form_app, "<input type=\"hidden\" name=\""); 
	smart_str_appendl(&BG(url_adapt_state_ex).form_app, name, name_len);
	smart_str_appends(&BG(url_adapt_state_ex).form_app, "\" value=\"");
	smart_str_append(&BG(url_adapt_state_ex).form_app, &val);
	smart_str_appends(&BG(url_adapt_state_ex).form_app, "\" />");

	if (urlencode) {
		zend_string_free(encoded);
	}
	smart_str_free(&val);

	return SUCCESS;
}

PHPAPI int php_url_scanner_reset_vars(TSRMLS_D)
{
	if (BG(url_adapt_state_ex).form_app.s) {
		BG(url_adapt_state_ex).form_app.s->len = 0;
	}
	if (BG(url_adapt_state_ex).url_app.s) {
		BG(url_adapt_state_ex).url_app.s->len = 0;
	}

	return SUCCESS;
}

PHP_MINIT_FUNCTION(url_scanner)
{
	BG(url_adapt_state_ex).tags = NULL;

	BG(url_adapt_state_ex).form_app.s = BG(url_adapt_state_ex).url_app.s = NULL;

	REGISTER_INI_ENTRIES();
	return SUCCESS;
}

PHP_MSHUTDOWN_FUNCTION(url_scanner)
{
	UNREGISTER_INI_ENTRIES();

	return SUCCESS;
}

PHP_RINIT_FUNCTION(url_scanner)
{
	BG(url_adapt_state_ex).active = 0;
	
	return SUCCESS;
}

PHP_RSHUTDOWN_FUNCTION(url_scanner)
{
	if (BG(url_adapt_state_ex).active) {
		php_url_scanner_ex_deactivate(TSRMLS_C);
		BG(url_adapt_state_ex).active = 0;
	}

	smart_str_free(&BG(url_adapt_state_ex).form_app);
	smart_str_free(&BG(url_adapt_state_ex).url_app);

	return SUCCESS;
}