1: /* Generated by re2c 0.13.5 */
2: /*
3: +----------------------------------------------------------------------+
4: | PHP Version 5 |
5: +----------------------------------------------------------------------+
6: | Copyright (c) 1997-2014 The PHP Group |
7: +----------------------------------------------------------------------+
8: | This source file is subject to version 3.01 of the PHP license, |
9: | that is bundled with this package in the file LICENSE, and is |
10: | available through the world-wide-web at the following url: |
11: | http://www.php.net/license/3_01.txt |
12: | If you did not receive a copy of the PHP license and are unable to |
13: | obtain it through the world-wide-web, please send a note to |
14: | license@php.net so we can mail you a copy immediately. |
15: +----------------------------------------------------------------------+
16: | Author: Sascha Schumann <sascha@schumann.cx> |
17: +----------------------------------------------------------------------+
18: */
19:
20: /* $Id: url_scanner_ex.c,v 1.1.1.5 2014/06/15 20:03:57 misho Exp $ */
21:
22: #include "php.h"
23:
24: #ifdef HAVE_UNISTD_H
25: #include <unistd.h>
26: #endif
27: #ifdef HAVE_LIMITS_H
28: #include <limits.h>
29: #endif
30:
31: #include <stdio.h>
32: #include <stdlib.h>
33: #include <string.h>
34:
35: #include "php_ini.h"
36: #include "php_globals.h"
37: #define STATE_TAG SOME_OTHER_STATE_TAG
38: #include "basic_functions.h"
39: #include "url.h"
40: #undef STATE_TAG
41:
42: #define url_scanner url_scanner_ex
43:
44: #include "php_smart_str.h"
45:
46: static PHP_INI_MH(OnUpdateTags)
47: {
48: url_adapt_state_ex_t *ctx;
49: char *key;
50: char *lasts;
51: char *tmp;
52:
53: ctx = &BG(url_adapt_state_ex);
54:
55: tmp = estrndup(new_value, new_value_length);
56:
57: if (ctx->tags)
58: zend_hash_destroy(ctx->tags);
59: else {
60: ctx->tags = malloc(sizeof(HashTable));
61: if (!ctx->tags) {
62: return FAILURE;
63: }
64: }
65:
66: zend_hash_init(ctx->tags, 0, NULL, NULL, 1);
67:
68: for (key = php_strtok_r(tmp, ",", &lasts);
69: key;
70: key = php_strtok_r(NULL, ",", &lasts)) {
71: char *val;
72:
73: val = strchr(key, '=');
74: if (val) {
75: char *q;
76: int keylen;
77:
78: *val++ = '\0';
79: for (q = key; *q; q++)
80: *q = tolower(*q);
81: keylen = q - key;
82: /* key is stored withOUT NUL
83: val is stored WITH NUL */
84: zend_hash_add(ctx->tags, key, keylen, val, strlen(val)+1, NULL);
85: }
86: }
87:
88: efree(tmp);
89:
90: return SUCCESS;
91: }
92:
93: PHP_INI_BEGIN()
94: 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)
95: PHP_INI_END()
96:
97:
98:
99: #define YYFILL(n) goto done
100: #define YYCTYPE unsigned char
101: #define YYCURSOR p
102: #define YYLIMIT q
103: #define YYMARKER r
104:
105: static inline void append_modified_url(smart_str *url, smart_str *dest, smart_str *url_app, const char *separator)
106: {
107: register const char *p, *q;
108: const char *bash = NULL;
109: const char *sep = "?";
110:
111: q = (p = url->c) + url->len;
112:
113: scan:
114:
115: {
116: YYCTYPE yych;
117: static const unsigned char yybm[] = {
118: 128, 128, 128, 128, 128, 128, 128, 128,
119: 128, 128, 128, 128, 128, 128, 128, 128,
120: 128, 128, 128, 128, 128, 128, 128, 128,
121: 128, 128, 128, 128, 128, 128, 128, 128,
122: 128, 128, 128, 0, 128, 128, 128, 128,
123: 128, 128, 128, 128, 128, 128, 128, 128,
124: 128, 128, 128, 128, 128, 128, 128, 128,
125: 128, 128, 0, 128, 128, 128, 128, 0,
126: 128, 128, 128, 128, 128, 128, 128, 128,
127: 128, 128, 128, 128, 128, 128, 128, 128,
128: 128, 128, 128, 128, 128, 128, 128, 128,
129: 128, 128, 128, 128, 128, 128, 128, 128,
130: 128, 128, 128, 128, 128, 128, 128, 128,
131: 128, 128, 128, 128, 128, 128, 128, 128,
132: 128, 128, 128, 128, 128, 128, 128, 128,
133: 128, 128, 128, 128, 128, 128, 128, 128,
134: 128, 128, 128, 128, 128, 128, 128, 128,
135: 128, 128, 128, 128, 128, 128, 128, 128,
136: 128, 128, 128, 128, 128, 128, 128, 128,
137: 128, 128, 128, 128, 128, 128, 128, 128,
138: 128, 128, 128, 128, 128, 128, 128, 128,
139: 128, 128, 128, 128, 128, 128, 128, 128,
140: 128, 128, 128, 128, 128, 128, 128, 128,
141: 128, 128, 128, 128, 128, 128, 128, 128,
142: 128, 128, 128, 128, 128, 128, 128, 128,
143: 128, 128, 128, 128, 128, 128, 128, 128,
144: 128, 128, 128, 128, 128, 128, 128, 128,
145: 128, 128, 128, 128, 128, 128, 128, 128,
146: 128, 128, 128, 128, 128, 128, 128, 128,
147: 128, 128, 128, 128, 128, 128, 128, 128,
148: 128, 128, 128, 128, 128, 128, 128, 128,
149: 128, 128, 128, 128, 128, 128, 128, 128,
150: };
151:
152: if (YYLIMIT <= YYCURSOR) YYFILL(1);
153: yych = *YYCURSOR;
154: if (yybm[0+yych] & 128) {
155: goto yy8;
156: }
157: if (yych <= '9') goto yy6;
158: if (yych >= ';') goto yy4;
159: ++YYCURSOR;
160: { smart_str_append(dest, url); return; }
161: yy4:
162: ++YYCURSOR;
163: { sep = separator; goto scan; }
164: yy6:
165: ++YYCURSOR;
166: { bash = p - 1; goto done; }
167: yy8:
168: ++YYCURSOR;
169: if (YYLIMIT <= YYCURSOR) YYFILL(1);
170: yych = *YYCURSOR;
171: if (yybm[0+yych] & 128) {
172: goto yy8;
173: }
174: { goto scan; }
175: }
176:
177: done:
178:
179: /* Don't modify URLs of the format "#mark" */
180: if (bash && bash - url->c == 0) {
181: smart_str_append(dest, url);
182: return;
183: }
184:
185: if (bash)
186: smart_str_appendl(dest, url->c, bash - url->c);
187: else
188: smart_str_append(dest, url);
189:
190: smart_str_appends(dest, sep);
191: smart_str_append(dest, url_app);
192:
193: if (bash)
194: smart_str_appendl(dest, bash, q - bash);
195: }
196:
197:
198: #undef YYFILL
199: #undef YYCTYPE
200: #undef YYCURSOR
201: #undef YYLIMIT
202: #undef YYMARKER
203:
204: static inline void tag_arg(url_adapt_state_ex_t *ctx, char quotes, char type TSRMLS_DC)
205: {
206: char f = 0;
207:
208: if (strncasecmp(ctx->arg.c, ctx->lookup_data, ctx->arg.len) == 0)
209: f = 1;
210:
211: if (quotes)
212: smart_str_appendc(&ctx->result, type);
213: if (f) {
214: append_modified_url(&ctx->val, &ctx->result, &ctx->url_app, PG(arg_separator).output);
215: } else {
216: smart_str_append(&ctx->result, &ctx->val);
217: }
218: if (quotes)
219: smart_str_appendc(&ctx->result, type);
220: }
221:
222: enum {
223: STATE_PLAIN = 0,
224: STATE_TAG,
225: STATE_NEXT_ARG,
226: STATE_ARG,
227: STATE_BEFORE_VAL,
228: STATE_VAL
229: };
230:
231: #define YYFILL(n) goto stop
232: #define YYCTYPE unsigned char
233: #define YYCURSOR xp
234: #define YYLIMIT end
235: #define YYMARKER q
236: #define STATE ctx->state
237:
238: #define STD_PARA url_adapt_state_ex_t *ctx, char *start, char *YYCURSOR TSRMLS_DC
239: #define STD_ARGS ctx, start, xp TSRMLS_CC
240:
241: #if SCANNER_DEBUG
242: #define scdebug(x) printf x
243: #else
244: #define scdebug(x)
245: #endif
246:
247: static inline void passthru(STD_PARA)
248: {
249: scdebug(("appending %d chars, starting with %c\n", YYCURSOR-start, *start));
250: smart_str_appendl(&ctx->result, start, YYCURSOR - start);
251: }
252:
253: /*
254: * This function appends a hidden input field after a <form> or
255: * <fieldset>. The latter is important for XHTML.
256: */
257:
258: static void handle_form(STD_PARA)
259: {
260: int doit = 0;
261:
262: if (ctx->form_app.len > 0) {
263: switch (ctx->tag.len) {
264: case sizeof("form") - 1:
265: if (!strncasecmp(ctx->tag.c, "form", sizeof("form") - 1)) {
266: doit = 1;
267: }
268: if (doit && ctx->val.c && ctx->lookup_data && *ctx->lookup_data) {
269: char *e, *p = zend_memnstr(ctx->val.c, "://", sizeof("://") - 1, ctx->val.c + ctx->val.len);
270: if (p) {
271: e = memchr(p, '/', (ctx->val.c + ctx->val.len) - p);
272: if (!e) {
273: e = ctx->val.c + ctx->val.len;
274: }
275: if ((e - p) && strncasecmp(p, ctx->lookup_data, (e - p))) {
276: doit = 0;
277: }
278: }
279: }
280: break;
281:
282: case sizeof("fieldset") - 1:
283: if (!strncasecmp(ctx->tag.c, "fieldset", sizeof("fieldset") - 1)) {
284: doit = 1;
285: }
286: break;
287: }
288:
289: if (doit)
290: smart_str_append(&ctx->result, &ctx->form_app);
291: }
292: }
293:
294: /*
295: * HANDLE_TAG copies the HTML Tag and checks whether we
296: * have that tag in our table. If we might modify it,
297: * we continue to scan the tag, otherwise we simply copy the complete
298: * HTML stuff to the result buffer.
299: */
300:
301: static inline void handle_tag(STD_PARA)
302: {
303: int ok = 0;
304: unsigned int i;
305:
306: ctx->tag.len = 0;
307: smart_str_appendl(&ctx->tag, start, YYCURSOR - start);
308: for (i = 0; i < ctx->tag.len; i++)
309: ctx->tag.c[i] = tolower((int)(unsigned char)ctx->tag.c[i]);
310: if (zend_hash_find(ctx->tags, ctx->tag.c, ctx->tag.len, (void **) &ctx->lookup_data) == SUCCESS)
311: ok = 1;
312: STATE = ok ? STATE_NEXT_ARG : STATE_PLAIN;
313: }
314:
315: static inline void handle_arg(STD_PARA)
316: {
317: ctx->arg.len = 0;
318: smart_str_appendl(&ctx->arg, start, YYCURSOR - start);
319: }
320:
321: static inline void handle_val(STD_PARA, char quotes, char type)
322: {
323: smart_str_setl(&ctx->val, start + quotes, YYCURSOR - start - quotes * 2);
324: tag_arg(ctx, quotes, type TSRMLS_CC);
325: }
326:
327: static inline void xx_mainloop(url_adapt_state_ex_t *ctx, const char *newdata, size_t newlen TSRMLS_DC)
328: {
329: char *end, *q;
330: char *xp;
331: char *start;
332: int rest;
333:
334: smart_str_appendl(&ctx->buf, newdata, newlen);
335:
336: YYCURSOR = ctx->buf.c;
337: YYLIMIT = ctx->buf.c + ctx->buf.len;
338:
339: switch (STATE) {
340: case STATE_PLAIN: goto state_plain;
341: case STATE_TAG: goto state_tag;
342: case STATE_NEXT_ARG: goto state_next_arg;
343: case STATE_ARG: goto state_arg;
344: case STATE_BEFORE_VAL: goto state_before_val;
345: case STATE_VAL: goto state_val;
346: }
347:
348:
349: state_plain_begin:
350: STATE = STATE_PLAIN;
351:
352: state_plain:
353: start = YYCURSOR;
354:
355: {
356: YYCTYPE yych;
357: static const unsigned char yybm[] = {
358: 128, 128, 128, 128, 128, 128, 128, 128,
359: 128, 128, 128, 128, 128, 128, 128, 128,
360: 128, 128, 128, 128, 128, 128, 128, 128,
361: 128, 128, 128, 128, 128, 128, 128, 128,
362: 128, 128, 128, 128, 128, 128, 128, 128,
363: 128, 128, 128, 128, 128, 128, 128, 128,
364: 128, 128, 128, 128, 128, 128, 128, 128,
365: 128, 128, 128, 128, 0, 128, 128, 128,
366: 128, 128, 128, 128, 128, 128, 128, 128,
367: 128, 128, 128, 128, 128, 128, 128, 128,
368: 128, 128, 128, 128, 128, 128, 128, 128,
369: 128, 128, 128, 128, 128, 128, 128, 128,
370: 128, 128, 128, 128, 128, 128, 128, 128,
371: 128, 128, 128, 128, 128, 128, 128, 128,
372: 128, 128, 128, 128, 128, 128, 128, 128,
373: 128, 128, 128, 128, 128, 128, 128, 128,
374: 128, 128, 128, 128, 128, 128, 128, 128,
375: 128, 128, 128, 128, 128, 128, 128, 128,
376: 128, 128, 128, 128, 128, 128, 128, 128,
377: 128, 128, 128, 128, 128, 128, 128, 128,
378: 128, 128, 128, 128, 128, 128, 128, 128,
379: 128, 128, 128, 128, 128, 128, 128, 128,
380: 128, 128, 128, 128, 128, 128, 128, 128,
381: 128, 128, 128, 128, 128, 128, 128, 128,
382: 128, 128, 128, 128, 128, 128, 128, 128,
383: 128, 128, 128, 128, 128, 128, 128, 128,
384: 128, 128, 128, 128, 128, 128, 128, 128,
385: 128, 128, 128, 128, 128, 128, 128, 128,
386: 128, 128, 128, 128, 128, 128, 128, 128,
387: 128, 128, 128, 128, 128, 128, 128, 128,
388: 128, 128, 128, 128, 128, 128, 128, 128,
389: 128, 128, 128, 128, 128, 128, 128, 128,
390: };
391: if (YYLIMIT <= YYCURSOR) YYFILL(1);
392: yych = *YYCURSOR;
393: if (yybm[0+yych] & 128) {
394: goto yy15;
395: }
396: ++YYCURSOR;
397: { passthru(STD_ARGS); STATE = STATE_TAG; goto state_tag; }
398: yy15:
399: ++YYCURSOR;
400: if (YYLIMIT <= YYCURSOR) YYFILL(1);
401: yych = *YYCURSOR;
402: if (yybm[0+yych] & 128) {
403: goto yy15;
404: }
405: { passthru(STD_ARGS); goto state_plain; }
406: }
407:
408:
409: state_tag:
410: start = YYCURSOR;
411:
412: {
413: YYCTYPE yych;
414: static const unsigned char yybm[] = {
415: 0, 0, 0, 0, 0, 0, 0, 0,
416: 0, 0, 0, 0, 0, 0, 0, 0,
417: 0, 0, 0, 0, 0, 0, 0, 0,
418: 0, 0, 0, 0, 0, 0, 0, 0,
419: 0, 0, 0, 0, 0, 0, 0, 0,
420: 0, 0, 0, 0, 0, 0, 0, 0,
421: 0, 0, 0, 0, 0, 0, 0, 0,
422: 0, 0, 128, 0, 0, 0, 0, 0,
423: 0, 128, 128, 128, 128, 128, 128, 128,
424: 128, 128, 128, 128, 128, 128, 128, 128,
425: 128, 128, 128, 128, 128, 128, 128, 128,
426: 128, 128, 128, 0, 0, 0, 0, 0,
427: 0, 128, 128, 128, 128, 128, 128, 128,
428: 128, 128, 128, 128, 128, 128, 128, 128,
429: 128, 128, 128, 128, 128, 128, 128, 128,
430: 128, 128, 128, 0, 0, 0, 0, 0,
431: 0, 0, 0, 0, 0, 0, 0, 0,
432: 0, 0, 0, 0, 0, 0, 0, 0,
433: 0, 0, 0, 0, 0, 0, 0, 0,
434: 0, 0, 0, 0, 0, 0, 0, 0,
435: 0, 0, 0, 0, 0, 0, 0, 0,
436: 0, 0, 0, 0, 0, 0, 0, 0,
437: 0, 0, 0, 0, 0, 0, 0, 0,
438: 0, 0, 0, 0, 0, 0, 0, 0,
439: 0, 0, 0, 0, 0, 0, 0, 0,
440: 0, 0, 0, 0, 0, 0, 0, 0,
441: 0, 0, 0, 0, 0, 0, 0, 0,
442: 0, 0, 0, 0, 0, 0, 0, 0,
443: 0, 0, 0, 0, 0, 0, 0, 0,
444: 0, 0, 0, 0, 0, 0, 0, 0,
445: 0, 0, 0, 0, 0, 0, 0, 0,
446: 0, 0, 0, 0, 0, 0, 0, 0,
447: };
448: if ((YYLIMIT - YYCURSOR) < 2) YYFILL(2);
449: yych = *YYCURSOR;
450: if (yych <= '@') {
451: if (yych != ':') goto yy22;
452: } else {
453: if (yych <= 'Z') goto yy20;
454: if (yych <= '`') goto yy22;
455: if (yych >= '{') goto yy22;
456: }
457: yy20:
458: ++YYCURSOR;
459: yych = *YYCURSOR;
460: goto yy25;
461: yy21:
462: { handle_tag(STD_ARGS); /* Sets STATE */; passthru(STD_ARGS); if (STATE == STATE_PLAIN) goto state_plain; else goto state_next_arg; }
463: yy22:
464: ++YYCURSOR;
465: { passthru(STD_ARGS); goto state_plain_begin; }
466: yy24:
467: ++YYCURSOR;
468: if (YYLIMIT <= YYCURSOR) YYFILL(1);
469: yych = *YYCURSOR;
470: yy25:
471: if (yybm[0+yych] & 128) {
472: goto yy24;
473: }
474: goto yy21;
475: }
476:
477:
478: state_next_arg_begin:
479: STATE = STATE_NEXT_ARG;
480:
481: state_next_arg:
482: start = YYCURSOR;
483:
484: {
485: YYCTYPE yych;
486: static const unsigned char yybm[] = {
487: 0, 0, 0, 0, 0, 0, 0, 0,
488: 0, 128, 128, 128, 0, 128, 0, 0,
489: 0, 0, 0, 0, 0, 0, 0, 0,
490: 0, 0, 0, 0, 0, 0, 0, 0,
491: 128, 0, 0, 0, 0, 0, 0, 0,
492: 0, 0, 0, 0, 0, 0, 0, 0,
493: 0, 0, 0, 0, 0, 0, 0, 0,
494: 0, 0, 0, 0, 0, 0, 0, 0,
495: 0, 0, 0, 0, 0, 0, 0, 0,
496: 0, 0, 0, 0, 0, 0, 0, 0,
497: 0, 0, 0, 0, 0, 0, 0, 0,
498: 0, 0, 0, 0, 0, 0, 0, 0,
499: 0, 0, 0, 0, 0, 0, 0, 0,
500: 0, 0, 0, 0, 0, 0, 0, 0,
501: 0, 0, 0, 0, 0, 0, 0, 0,
502: 0, 0, 0, 0, 0, 0, 0, 0,
503: 0, 0, 0, 0, 0, 0, 0, 0,
504: 0, 0, 0, 0, 0, 0, 0, 0,
505: 0, 0, 0, 0, 0, 0, 0, 0,
506: 0, 0, 0, 0, 0, 0, 0, 0,
507: 0, 0, 0, 0, 0, 0, 0, 0,
508: 0, 0, 0, 0, 0, 0, 0, 0,
509: 0, 0, 0, 0, 0, 0, 0, 0,
510: 0, 0, 0, 0, 0, 0, 0, 0,
511: 0, 0, 0, 0, 0, 0, 0, 0,
512: 0, 0, 0, 0, 0, 0, 0, 0,
513: 0, 0, 0, 0, 0, 0, 0, 0,
514: 0, 0, 0, 0, 0, 0, 0, 0,
515: 0, 0, 0, 0, 0, 0, 0, 0,
516: 0, 0, 0, 0, 0, 0, 0, 0,
517: 0, 0, 0, 0, 0, 0, 0, 0,
518: 0, 0, 0, 0, 0, 0, 0, 0,
519: };
520: if ((YYLIMIT - YYCURSOR) < 2) YYFILL(2);
521: yych = *YYCURSOR;
522: if (yych <= ' ') {
523: if (yych <= '\f') {
524: if (yych <= 0x08) goto yy34;
525: if (yych <= '\v') goto yy30;
526: goto yy34;
527: } else {
528: if (yych <= '\r') goto yy30;
529: if (yych <= 0x1F) goto yy34;
530: goto yy30;
531: }
532: } else {
533: if (yych <= '@') {
534: if (yych != '>') goto yy34;
535: } else {
536: if (yych <= 'Z') goto yy32;
537: if (yych <= '`') goto yy34;
538: if (yych <= 'z') goto yy32;
539: goto yy34;
540: }
541: }
542: ++YYCURSOR;
543: { passthru(STD_ARGS); handle_form(STD_ARGS); goto state_plain_begin; }
544: yy30:
545: ++YYCURSOR;
546: yych = *YYCURSOR;
547: goto yy37;
548: yy31:
549: { passthru(STD_ARGS); goto state_next_arg; }
550: yy32:
551: ++YYCURSOR;
552: { --YYCURSOR; STATE = STATE_ARG; goto state_arg; }
553: yy34:
554: ++YYCURSOR;
555: { passthru(STD_ARGS); goto state_plain_begin; }
556: yy36:
557: ++YYCURSOR;
558: if (YYLIMIT <= YYCURSOR) YYFILL(1);
559: yych = *YYCURSOR;
560: yy37:
561: if (yybm[0+yych] & 128) {
562: goto yy36;
563: }
564: goto yy31;
565: }
566:
567:
568: state_arg:
569: start = YYCURSOR;
570:
571: {
572: YYCTYPE yych;
573: static const unsigned char yybm[] = {
574: 0, 0, 0, 0, 0, 0, 0, 0,
575: 0, 0, 0, 0, 0, 0, 0, 0,
576: 0, 0, 0, 0, 0, 0, 0, 0,
577: 0, 0, 0, 0, 0, 0, 0, 0,
578: 0, 0, 0, 0, 0, 0, 0, 0,
579: 0, 0, 0, 0, 0, 128, 0, 0,
580: 0, 0, 0, 0, 0, 0, 0, 0,
581: 0, 0, 0, 0, 0, 0, 0, 0,
582: 0, 128, 128, 128, 128, 128, 128, 128,
583: 128, 128, 128, 128, 128, 128, 128, 128,
584: 128, 128, 128, 128, 128, 128, 128, 128,
585: 128, 128, 128, 0, 0, 0, 0, 0,
586: 0, 128, 128, 128, 128, 128, 128, 128,
587: 128, 128, 128, 128, 128, 128, 128, 128,
588: 128, 128, 128, 128, 128, 128, 128, 128,
589: 128, 128, 128, 0, 0, 0, 0, 0,
590: 0, 0, 0, 0, 0, 0, 0, 0,
591: 0, 0, 0, 0, 0, 0, 0, 0,
592: 0, 0, 0, 0, 0, 0, 0, 0,
593: 0, 0, 0, 0, 0, 0, 0, 0,
594: 0, 0, 0, 0, 0, 0, 0, 0,
595: 0, 0, 0, 0, 0, 0, 0, 0,
596: 0, 0, 0, 0, 0, 0, 0, 0,
597: 0, 0, 0, 0, 0, 0, 0, 0,
598: 0, 0, 0, 0, 0, 0, 0, 0,
599: 0, 0, 0, 0, 0, 0, 0, 0,
600: 0, 0, 0, 0, 0, 0, 0, 0,
601: 0, 0, 0, 0, 0, 0, 0, 0,
602: 0, 0, 0, 0, 0, 0, 0, 0,
603: 0, 0, 0, 0, 0, 0, 0, 0,
604: 0, 0, 0, 0, 0, 0, 0, 0,
605: 0, 0, 0, 0, 0, 0, 0, 0,
606: };
607: if ((YYLIMIT - YYCURSOR) < 2) YYFILL(2);
608: yych = *YYCURSOR;
609: if (yych <= '@') goto yy42;
610: if (yych <= 'Z') goto yy40;
611: if (yych <= '`') goto yy42;
612: if (yych >= '{') goto yy42;
613: yy40:
614: ++YYCURSOR;
615: yych = *YYCURSOR;
616: goto yy45;
617: yy41:
618: { passthru(STD_ARGS); handle_arg(STD_ARGS); STATE = STATE_BEFORE_VAL; goto state_before_val; }
619: yy42:
620: ++YYCURSOR;
621: { passthru(STD_ARGS); STATE = STATE_NEXT_ARG; goto state_next_arg; }
622: yy44:
623: ++YYCURSOR;
624: if (YYLIMIT <= YYCURSOR) YYFILL(1);
625: yych = *YYCURSOR;
626: yy45:
627: if (yybm[0+yych] & 128) {
628: goto yy44;
629: }
630: goto yy41;
631: }
632:
633:
634: state_before_val:
635: start = YYCURSOR;
636:
637: {
638: YYCTYPE yych;
639: static const unsigned char yybm[] = {
640: 0, 0, 0, 0, 0, 0, 0, 0,
641: 0, 0, 0, 0, 0, 0, 0, 0,
642: 0, 0, 0, 0, 0, 0, 0, 0,
643: 0, 0, 0, 0, 0, 0, 0, 0,
644: 128, 0, 0, 0, 0, 0, 0, 0,
645: 0, 0, 0, 0, 0, 0, 0, 0,
646: 0, 0, 0, 0, 0, 0, 0, 0,
647: 0, 0, 0, 0, 0, 0, 0, 0,
648: 0, 0, 0, 0, 0, 0, 0, 0,
649: 0, 0, 0, 0, 0, 0, 0, 0,
650: 0, 0, 0, 0, 0, 0, 0, 0,
651: 0, 0, 0, 0, 0, 0, 0, 0,
652: 0, 0, 0, 0, 0, 0, 0, 0,
653: 0, 0, 0, 0, 0, 0, 0, 0,
654: 0, 0, 0, 0, 0, 0, 0, 0,
655: 0, 0, 0, 0, 0, 0, 0, 0,
656: 0, 0, 0, 0, 0, 0, 0, 0,
657: 0, 0, 0, 0, 0, 0, 0, 0,
658: 0, 0, 0, 0, 0, 0, 0, 0,
659: 0, 0, 0, 0, 0, 0, 0, 0,
660: 0, 0, 0, 0, 0, 0, 0, 0,
661: 0, 0, 0, 0, 0, 0, 0, 0,
662: 0, 0, 0, 0, 0, 0, 0, 0,
663: 0, 0, 0, 0, 0, 0, 0, 0,
664: 0, 0, 0, 0, 0, 0, 0, 0,
665: 0, 0, 0, 0, 0, 0, 0, 0,
666: 0, 0, 0, 0, 0, 0, 0, 0,
667: 0, 0, 0, 0, 0, 0, 0, 0,
668: 0, 0, 0, 0, 0, 0, 0, 0,
669: 0, 0, 0, 0, 0, 0, 0, 0,
670: 0, 0, 0, 0, 0, 0, 0, 0,
671: 0, 0, 0, 0, 0, 0, 0, 0,
672: };
673: if ((YYLIMIT - YYCURSOR) < 2) YYFILL(2);
674: yych = *YYCURSOR;
675: if (yych == ' ') goto yy48;
676: if (yych == '=') goto yy50;
677: goto yy52;
678: yy48:
679: yych = *(YYMARKER = ++YYCURSOR);
680: if (yych == ' ') goto yy55;
681: if (yych == '=') goto yy53;
682: yy49:
683: { --YYCURSOR; goto state_next_arg_begin; }
684: yy50:
685: ++YYCURSOR;
686: yych = *YYCURSOR;
687: goto yy54;
688: yy51:
689: { passthru(STD_ARGS); STATE = STATE_VAL; goto state_val; }
690: yy52:
691: yych = *++YYCURSOR;
692: goto yy49;
693: yy53:
694: ++YYCURSOR;
695: if (YYLIMIT <= YYCURSOR) YYFILL(1);
696: yych = *YYCURSOR;
697: yy54:
698: if (yybm[0+yych] & 128) {
699: goto yy53;
700: }
701: goto yy51;
702: yy55:
703: ++YYCURSOR;
704: if (YYLIMIT <= YYCURSOR) YYFILL(1);
705: yych = *YYCURSOR;
706: if (yych == ' ') goto yy55;
707: if (yych == '=') goto yy53;
708: YYCURSOR = YYMARKER;
709: goto yy49;
710: }
711:
712:
713:
714: state_val:
715: start = YYCURSOR;
716:
717: {
718: YYCTYPE yych;
719: static const unsigned char yybm[] = {
720: 224, 224, 224, 224, 224, 224, 224, 224,
721: 224, 192, 192, 224, 224, 192, 224, 224,
722: 224, 224, 224, 224, 224, 224, 224, 224,
723: 224, 224, 224, 224, 224, 224, 224, 224,
724: 192, 224, 64, 224, 224, 224, 224, 128,
725: 224, 224, 224, 224, 224, 224, 224, 224,
726: 224, 224, 224, 224, 224, 224, 224, 224,
727: 224, 224, 224, 224, 224, 224, 0, 224,
728: 224, 224, 224, 224, 224, 224, 224, 224,
729: 224, 224, 224, 224, 224, 224, 224, 224,
730: 224, 224, 224, 224, 224, 224, 224, 224,
731: 224, 224, 224, 224, 224, 224, 224, 224,
732: 224, 224, 224, 224, 224, 224, 224, 224,
733: 224, 224, 224, 224, 224, 224, 224, 224,
734: 224, 224, 224, 224, 224, 224, 224, 224,
735: 224, 224, 224, 224, 224, 224, 224, 224,
736: 224, 224, 224, 224, 224, 224, 224, 224,
737: 224, 224, 224, 224, 224, 224, 224, 224,
738: 224, 224, 224, 224, 224, 224, 224, 224,
739: 224, 224, 224, 224, 224, 224, 224, 224,
740: 224, 224, 224, 224, 224, 224, 224, 224,
741: 224, 224, 224, 224, 224, 224, 224, 224,
742: 224, 224, 224, 224, 224, 224, 224, 224,
743: 224, 224, 224, 224, 224, 224, 224, 224,
744: 224, 224, 224, 224, 224, 224, 224, 224,
745: 224, 224, 224, 224, 224, 224, 224, 224,
746: 224, 224, 224, 224, 224, 224, 224, 224,
747: 224, 224, 224, 224, 224, 224, 224, 224,
748: 224, 224, 224, 224, 224, 224, 224, 224,
749: 224, 224, 224, 224, 224, 224, 224, 224,
750: 224, 224, 224, 224, 224, 224, 224, 224,
751: 224, 224, 224, 224, 224, 224, 224, 224,
752: };
753: if ((YYLIMIT - YYCURSOR) < 2) YYFILL(2);
754: yych = *YYCURSOR;
755: if (yych <= ' ') {
756: if (yych <= '\f') {
757: if (yych <= 0x08) goto yy63;
758: if (yych <= '\n') goto yy65;
759: goto yy63;
760: } else {
761: if (yych <= '\r') goto yy65;
762: if (yych <= 0x1F) goto yy63;
763: goto yy65;
764: }
765: } else {
766: if (yych <= '&') {
767: if (yych != '"') goto yy63;
768: } else {
769: if (yych <= '\'') goto yy62;
770: if (yych == '>') goto yy65;
771: goto yy63;
772: }
773: }
774: yych = *(YYMARKER = ++YYCURSOR);
775: if (yych != '>') goto yy74;
776: yy61:
777: { passthru(STD_ARGS); goto state_next_arg_begin; }
778: yy62:
779: yych = *(YYMARKER = ++YYCURSOR);
780: if (yych == '>') goto yy61;
781: goto yy69;
782: yy63:
783: ++YYCURSOR;
784: yych = *YYCURSOR;
785: goto yy67;
786: yy64:
787: { handle_val(STD_ARGS, 0, ' '); goto state_next_arg_begin; }
788: yy65:
789: yych = *++YYCURSOR;
790: goto yy61;
791: yy66:
792: ++YYCURSOR;
793: if (YYLIMIT <= YYCURSOR) YYFILL(1);
794: yych = *YYCURSOR;
795: yy67:
796: if (yybm[0+yych] & 32) {
797: goto yy66;
798: }
799: goto yy64;
800: yy68:
801: ++YYCURSOR;
802: if (YYLIMIT <= YYCURSOR) YYFILL(1);
803: yych = *YYCURSOR;
804: yy69:
805: if (yybm[0+yych] & 64) {
806: goto yy68;
807: }
808: if (yych <= '=') goto yy71;
809: yy70:
810: YYCURSOR = YYMARKER;
811: goto yy61;
812: yy71:
813: ++YYCURSOR;
814: { handle_val(STD_ARGS, 1, '\''); goto state_next_arg_begin; }
815: yy73:
816: ++YYCURSOR;
817: if (YYLIMIT <= YYCURSOR) YYFILL(1);
818: yych = *YYCURSOR;
819: yy74:
820: if (yybm[0+yych] & 128) {
821: goto yy73;
822: }
823: if (yych >= '>') goto yy70;
824: ++YYCURSOR;
825: { handle_val(STD_ARGS, 1, '"'); goto state_next_arg_begin; }
826: }
827:
828:
829: stop:
830: rest = YYLIMIT - start;
831: scdebug(("stopped in state %d at pos %d (%d:%c) %d\n", STATE, YYCURSOR - ctx->buf.c, *YYCURSOR, *YYCURSOR, rest));
832: /* XXX: Crash avoidance. Need to work with reporter to figure out what goes wrong */
833: if (rest < 0) rest = 0;
834:
835: if (rest) memmove(ctx->buf.c, start, rest);
836: ctx->buf.len = rest;
837: }
838:
839: char *php_url_scanner_adapt_single_url(const char *url, size_t urllen, const char *name, const char *value, size_t *newlen TSRMLS_DC)
840: {
841: smart_str surl = {0};
842: smart_str buf = {0};
843: smart_str url_app = {0};
844:
845: smart_str_setl(&surl, url, urllen);
846:
847: smart_str_appends(&url_app, name);
848: smart_str_appendc(&url_app, '=');
849: smart_str_appends(&url_app, value);
850:
851: append_modified_url(&surl, &buf, &url_app, PG(arg_separator).output);
852:
853: smart_str_0(&buf);
854: if (newlen) *newlen = buf.len;
855:
856: smart_str_free(&url_app);
857:
858: return buf.c;
859: }
860:
861:
862: static char *url_adapt_ext(const char *src, size_t srclen, size_t *newlen, zend_bool do_flush TSRMLS_DC)
863: {
864: url_adapt_state_ex_t *ctx;
865: char *retval;
866:
867: ctx = &BG(url_adapt_state_ex);
868:
869: xx_mainloop(ctx, src, srclen TSRMLS_CC);
870:
871: *newlen = ctx->result.len;
872: if (!ctx->result.c) {
873: smart_str_appendl(&ctx->result, "", 0);
874: }
875: smart_str_0(&ctx->result);
876: if (do_flush) {
877: smart_str_appendl(&ctx->result, ctx->buf.c, ctx->buf.len);
878: *newlen += ctx->buf.len;
879: smart_str_free(&ctx->buf);
880: }
881: retval = ctx->result.c;
882: ctx->result.c = NULL;
883: ctx->result.len = 0;
884: return retval;
885: }
886:
887: static int php_url_scanner_ex_activate(TSRMLS_D)
888: {
889: url_adapt_state_ex_t *ctx;
890:
891: ctx = &BG(url_adapt_state_ex);
892:
893: memset(ctx, 0, ((size_t) &((url_adapt_state_ex_t *)0)->tags));
894:
895: return SUCCESS;
896: }
897:
898: static int php_url_scanner_ex_deactivate(TSRMLS_D)
899: {
900: url_adapt_state_ex_t *ctx;
901:
902: ctx = &BG(url_adapt_state_ex);
903:
904: smart_str_free(&ctx->result);
905: smart_str_free(&ctx->buf);
906: smart_str_free(&ctx->tag);
907: smart_str_free(&ctx->arg);
908:
909: return SUCCESS;
910: }
911:
912: static void php_url_scanner_output_handler(char *output, uint output_len, char **handled_output, uint *handled_output_len, int mode TSRMLS_DC)
913: {
914: size_t len;
915:
916: if (BG(url_adapt_state_ex).url_app.len != 0) {
917: *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);
918: if (sizeof(uint) < sizeof(size_t)) {
919: if (len > UINT_MAX)
920: len = UINT_MAX;
921: }
922: *handled_output_len = len;
923: } else if (BG(url_adapt_state_ex).url_app.len == 0) {
924: url_adapt_state_ex_t *ctx = &BG(url_adapt_state_ex);
925: if (ctx->buf.len) {
926: smart_str_appendl(&ctx->result, ctx->buf.c, ctx->buf.len);
927: smart_str_appendl(&ctx->result, output, output_len);
928:
929: *handled_output = ctx->result.c;
930: *handled_output_len = ctx->buf.len + output_len;
931:
932: ctx->result.c = NULL;
933: ctx->result.len = 0;
934: smart_str_free(&ctx->buf);
935: } else {
936: *handled_output = estrndup(output, *handled_output_len = output_len);
937: }
938: } else {
939: *handled_output = NULL;
940: }
941: }
942:
943: PHPAPI int php_url_scanner_add_var(char *name, int name_len, char *value, int value_len, int urlencode TSRMLS_DC)
944: {
945: char *encoded;
946: int encoded_len;
947: smart_str val;
948:
949: if (! BG(url_adapt_state_ex).active) {
950: php_url_scanner_ex_activate(TSRMLS_C);
951: php_output_start_internal(ZEND_STRL("URL-Rewriter"), php_url_scanner_output_handler, 0, PHP_OUTPUT_HANDLER_STDFLAGS TSRMLS_CC);
952: BG(url_adapt_state_ex).active = 1;
953: }
954:
955:
956: if (BG(url_adapt_state_ex).url_app.len != 0) {
957: smart_str_appends(&BG(url_adapt_state_ex).url_app, PG(arg_separator).output);
958: }
959:
960: if (urlencode) {
961: encoded = php_url_encode(value, value_len, &encoded_len);
962: smart_str_setl(&val, encoded, encoded_len);
963: } else {
964: smart_str_setl(&val, value, value_len);
965: }
966:
967: smart_str_appendl(&BG(url_adapt_state_ex).url_app, name, name_len);
968: smart_str_appendc(&BG(url_adapt_state_ex).url_app, '=');
969: smart_str_append(&BG(url_adapt_state_ex).url_app, &val);
970:
971: smart_str_appends(&BG(url_adapt_state_ex).form_app, "<input type=\"hidden\" name=\"");
972: smart_str_appendl(&BG(url_adapt_state_ex).form_app, name, name_len);
973: smart_str_appends(&BG(url_adapt_state_ex).form_app, "\" value=\"");
974: smart_str_append(&BG(url_adapt_state_ex).form_app, &val);
975: smart_str_appends(&BG(url_adapt_state_ex).form_app, "\" />");
976:
977: if (urlencode)
978: efree(encoded);
979:
980: return SUCCESS;
981: }
982:
983: PHPAPI int php_url_scanner_reset_vars(TSRMLS_D)
984: {
985: BG(url_adapt_state_ex).form_app.len = 0;
986: BG(url_adapt_state_ex).url_app.len = 0;
987:
988: return SUCCESS;
989: }
990:
991: PHP_MINIT_FUNCTION(url_scanner)
992: {
993: BG(url_adapt_state_ex).tags = NULL;
994:
995: BG(url_adapt_state_ex).form_app.c = BG(url_adapt_state_ex).url_app.c = 0;
996: BG(url_adapt_state_ex).form_app.len = BG(url_adapt_state_ex).url_app.len = 0;
997:
998: REGISTER_INI_ENTRIES();
999: return SUCCESS;
1000: }
1001:
1002: PHP_MSHUTDOWN_FUNCTION(url_scanner)
1003: {
1004: UNREGISTER_INI_ENTRIES();
1005:
1006: return SUCCESS;
1007: }
1008:
1009: PHP_RINIT_FUNCTION(url_scanner)
1010: {
1011: BG(url_adapt_state_ex).active = 0;
1012:
1013: return SUCCESS;
1014: }
1015:
1016: PHP_RSHUTDOWN_FUNCTION(url_scanner)
1017: {
1018: if (BG(url_adapt_state_ex).active) {
1019: php_url_scanner_ex_deactivate(TSRMLS_C);
1020: BG(url_adapt_state_ex).active = 0;
1021: }
1022:
1023: smart_str_free(&BG(url_adapt_state_ex).form_app);
1024: smart_str_free(&BG(url_adapt_state_ex).url_app);
1025:
1026: return SUCCESS;
1027: }
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