1 /*
2 +----------------------------------------------------------------------+
3 | Copyright (c) The PHP Group |
4 +----------------------------------------------------------------------+
5 | This source file is subject to version 3.01 of the PHP license, |
6 | that is bundled with this package in the file LICENSE, and is |
7 | available through the world-wide-web at the following url: |
8 | http://www.php.net/license/3_01.txt |
9 | If you did not receive a copy of the PHP license and are unable to |
10 | obtain it through the world-wide-web, please send a note to |
11 | license@php.net so we can mail you a copy immediately. |
12 +----------------------------------------------------------------------+
13 | Authors: Felipe Pena <felipe@php.net> |
14 | Authors: Joe Watkins <joe.watkins@live.co.uk> |
15 | Authors: Bob Weinand <bwoebi@php.net> |
16 +----------------------------------------------------------------------+
17 */
18
19 #include "zend.h"
20 #include "php.h"
21 #include "spprintf.h"
22 #include "phpdbg.h"
23 #include "phpdbg_io.h"
24 #include "phpdbg_eol.h"
25 #include "ext/standard/html.h"
26
27 #ifdef _WIN32
28 # include "win32/time.h"
29 #endif
30
31 ZEND_EXTERN_MODULE_GLOBALS(phpdbg)
32
33 /* copied from php-src/main/snprintf.c and slightly modified */
34 /*
35 * NUM_BUF_SIZE is the size of the buffer used for arithmetic conversions
36 *
37 * XXX: this is a magic number; do not decrease it
38 * Emax = 1023
39 * NDIG = 320
40 * NUM_BUF_SIZE >= strlen("-") + Emax + strlrn(".") + NDIG + strlen("E+1023") + 1;
41 */
42 #define NUM_BUF_SIZE 2048
43
44 /*
45 * Descriptor for buffer area
46 */
47 struct buf_area {
48 char *buf_end;
49 char *nextb; /* pointer to next byte to read/write */
50 };
51
52 typedef struct buf_area buffy;
53
54 /*
55 * The INS_CHAR macro inserts a character in the buffer and writes
56 * the buffer back to disk if necessary
57 * It uses the char pointers sp and bep:
58 * sp points to the next available character in the buffer
59 * bep points to the end-of-buffer+1
60 * While using this macro, note that the nextb pointer is NOT updated.
61 *
62 * NOTE: Evaluation of the c argument should not have any side-effects
63 */
64 #define INS_CHAR(c, sp, bep, cc) \
65 { \
66 if (sp < bep) \
67 { \
68 *sp++ = c; \
69 } \
70 cc++; \
71 }
72
73 #define NUM( c ) ( c - '0' )
74
75 #define STR_TO_DEC( str, num ) \
76 num = NUM( *str++ ) ; \
77 while ( isdigit((int)*str ) ) \
78 { \
79 num *= 10 ; \
80 num += NUM( *str++ ) ; \
81 }
82
83 /*
84 * This macro does zero padding so that the precision
85 * requirement is satisfied. The padding is done by
86 * adding '0's to the left of the string that is going
87 * to be printed.
88 */
89 #define FIX_PRECISION( adjust, precision, s, s_len ) \
90 if ( adjust ) \
91 while ( s_len < precision ) \
92 { \
93 *--s = '0' ; \
94 s_len++ ; \
95 }
96
97 /*
98 * Macro that does padding. The padding is done by printing
99 * the character ch.
100 */
101 #define PAD( width, len, ch ) do \
102 { \
103 INS_CHAR( ch, sp, bep, cc ) ; \
104 width-- ; \
105 } \
106 while ( width > len )
107
108 /*
109 * Prefix the character ch to the string str
110 * Increase length
111 * Set the has_prefix flag
112 */
113 #define PREFIX( str, length, ch ) *--str = ch ; length++ ; has_prefix = YES
114
115 #include <locale.h>
116 #define LCONV_DECIMAL_POINT (*lconv->decimal_point)
117 #define NUL '\0'
118 #define S_NULL "(null)"
119 #define S_NULL_LEN 6
120 #define FLOAT_DIGITS 6
121
122 /*
123 * Do format conversion placing the output in buffer
124 */
format_converter(register buffy * odp,const char * fmt,zend_bool escape_xml,va_list ap)125 static int format_converter(register buffy *odp, const char *fmt, zend_bool escape_xml, va_list ap) {
126 char *sp;
127 char *bep;
128 int cc = 0;
129 int i;
130
131 char *s = NULL, *free_s = NULL;
132 size_t s_len;
133 zend_bool free_zcopy;
134 zval *zvp, zcopy;
135
136 int min_width = 0;
137 int precision = 0;
138 enum {
139 LEFT, RIGHT
140 } adjust;
141 char pad_char;
142 char prefix_char;
143
144 double fp_num;
145 wide_int i_num = (wide_int) 0;
146 u_wide_int ui_num;
147
148 char num_buf[NUM_BUF_SIZE];
149 char char_buf[2]; /* for printing %% and %<unknown> */
150
151 struct lconv *lconv = NULL;
152
153 /*
154 * Flag variables
155 */
156 length_modifier_e modifier;
157 boolean_e alternate_form;
158 boolean_e print_sign;
159 boolean_e print_blank;
160 boolean_e adjust_precision;
161 boolean_e adjust_width;
162 bool_int is_negative;
163
164 sp = odp->nextb;
165 bep = odp->buf_end;
166
167 while (*fmt) {
168 if (*fmt != '%') {
169 INS_CHAR(*fmt, sp, bep, cc);
170 } else {
171 /*
172 * Default variable settings
173 */
174 adjust = RIGHT;
175 alternate_form = print_sign = print_blank = NO;
176 pad_char = ' ';
177 prefix_char = NUL;
178 free_zcopy = 0;
179
180 fmt++;
181
182 /*
183 * Try to avoid checking for flags, width or precision
184 */
185 if (isascii((int)*fmt) && !islower((int)*fmt)) {
186 /*
187 * Recognize flags: -, #, BLANK, +
188 */
189 for (;; fmt++) {
190 if (*fmt == '-')
191 adjust = LEFT;
192 else if (*fmt == '+')
193 print_sign = YES;
194 else if (*fmt == '#')
195 alternate_form = YES;
196 else if (*fmt == ' ')
197 print_blank = YES;
198 else if (*fmt == '0')
199 pad_char = '0';
200 else
201 break;
202 }
203
204 /*
205 * Check if a width was specified
206 */
207 if (isdigit((int)*fmt)) {
208 STR_TO_DEC(fmt, min_width);
209 adjust_width = YES;
210 } else if (*fmt == '*') {
211 min_width = va_arg(ap, int);
212 fmt++;
213 adjust_width = YES;
214 if (min_width < 0) {
215 adjust = LEFT;
216 min_width = -min_width;
217 }
218 } else
219 adjust_width = NO;
220
221 /*
222 * Check if a precision was specified
223 */
224 if (*fmt == '.') {
225 adjust_precision = YES;
226 fmt++;
227 if (isdigit((int)*fmt)) {
228 STR_TO_DEC(fmt, precision);
229 } else if (*fmt == '*') {
230 precision = va_arg(ap, int);
231 fmt++;
232 if (precision < 0)
233 precision = 0;
234 } else
235 precision = 0;
236
237 if (precision > FORMAT_CONV_MAX_PRECISION && *fmt != 's' && *fmt != 'v' && *fmt != 'b') {
238 precision = FORMAT_CONV_MAX_PRECISION;
239 }
240 } else
241 adjust_precision = NO;
242 } else
243 adjust_precision = adjust_width = NO;
244
245 /*
246 * Modifier check
247 */
248 switch (*fmt) {
249 case 'L':
250 fmt++;
251 modifier = LM_LONG_DOUBLE;
252 break;
253 case 'I':
254 fmt++;
255 #if SIZEOF_LONG_LONG
256 if (*fmt == '6' && *(fmt+1) == '4') {
257 fmt += 2;
258 modifier = LM_LONG_LONG;
259 } else
260 #endif
261 if (*fmt == '3' && *(fmt+1) == '2') {
262 fmt += 2;
263 modifier = LM_LONG;
264 } else {
265 #ifdef _WIN64
266 modifier = LM_LONG_LONG;
267 #else
268 modifier = LM_LONG;
269 #endif
270 }
271 break;
272 case 'l':
273 fmt++;
274 #if SIZEOF_LONG_LONG
275 if (*fmt == 'l') {
276 fmt++;
277 modifier = LM_LONG_LONG;
278 } else
279 #endif
280 modifier = LM_LONG;
281 break;
282 case 'z':
283 fmt++;
284 modifier = LM_SIZE_T;
285 break;
286 case 'j':
287 fmt++;
288 #if SIZEOF_INTMAX_T
289 modifier = LM_INTMAX_T;
290 #else
291 modifier = LM_SIZE_T;
292 #endif
293 break;
294 case 't':
295 fmt++;
296 #if SIZEOF_PTRDIFF_T
297 modifier = LM_PTRDIFF_T;
298 #else
299 modifier = LM_SIZE_T;
300 #endif
301 break;
302 case 'h':
303 fmt++;
304 if (*fmt == 'h') {
305 fmt++;
306 }
307 /* these are promoted to int, so no break */
308 default:
309 modifier = LM_STD;
310 break;
311 }
312
313 /*
314 * Argument extraction and printing.
315 * First we determine the argument type.
316 * Then, we convert the argument to a string.
317 * On exit from the switch, s points to the string that
318 * must be printed, s_len has the length of the string
319 * The precision requirements, if any, are reflected in s_len.
320 *
321 * NOTE: pad_char may be set to '0' because of the 0 flag.
322 * It is reset to ' ' by non-numeric formats
323 */
324 switch (*fmt) {
325 case 'Z':
326 zvp = (zval *) va_arg(ap, zval *);
327 free_zcopy = zend_make_printable_zval(zvp, &zcopy);
328 if (free_zcopy) {
329 zvp = &zcopy;
330 }
331 s_len = Z_STRLEN_P(zvp);
332 s = Z_STRVAL_P(zvp);
333 if (adjust_precision && precision < s_len) {
334 s_len = precision;
335 }
336 break;
337 case 'u':
338 switch(modifier) {
339 default:
340 i_num = (wide_int) va_arg(ap, unsigned int);
341 break;
342 case LM_LONG_DOUBLE:
343 goto fmt_error;
344 case LM_LONG:
345 i_num = (wide_int) va_arg(ap, unsigned long int);
346 break;
347 case LM_SIZE_T:
348 i_num = (wide_int) va_arg(ap, size_t);
349 break;
350 #if SIZEOF_LONG_LONG
351 case LM_LONG_LONG:
352 i_num = (wide_int) va_arg(ap, u_wide_int);
353 break;
354 #endif
355 #if SIZEOF_INTMAX_T
356 case LM_INTMAX_T:
357 i_num = (wide_int) va_arg(ap, uintmax_t);
358 break;
359 #endif
360 #if SIZEOF_PTRDIFF_T
361 case LM_PTRDIFF_T:
362 i_num = (wide_int) va_arg(ap, ptrdiff_t);
363 break;
364 #endif
365 }
366 /*
367 * The rest also applies to other integer formats, so fall
368 * into that case.
369 */
370 case 'd':
371 case 'i':
372 /*
373 * Get the arg if we haven't already.
374 */
375 if ((*fmt) != 'u') {
376 switch(modifier) {
377 default:
378 i_num = (wide_int) va_arg(ap, int);
379 break;
380 case LM_LONG_DOUBLE:
381 goto fmt_error;
382 case LM_LONG:
383 i_num = (wide_int) va_arg(ap, long int);
384 break;
385 case LM_SIZE_T:
386 #if SIZEOF_SSIZE_T
387 i_num = (wide_int) va_arg(ap, ssize_t);
388 #else
389 i_num = (wide_int) va_arg(ap, size_t);
390 #endif
391 break;
392 #if SIZEOF_LONG_LONG
393 case LM_LONG_LONG:
394 i_num = (wide_int) va_arg(ap, wide_int);
395 break;
396 #endif
397 #if SIZEOF_INTMAX_T
398 case LM_INTMAX_T:
399 i_num = (wide_int) va_arg(ap, intmax_t);
400 break;
401 #endif
402 #if SIZEOF_PTRDIFF_T
403 case LM_PTRDIFF_T:
404 i_num = (wide_int) va_arg(ap, ptrdiff_t);
405 break;
406 #endif
407 }
408 }
409 s = ap_php_conv_10(i_num, (*fmt) == 'u', &is_negative,
410 &num_buf[NUM_BUF_SIZE], &s_len);
411 FIX_PRECISION(adjust_precision, precision, s, s_len);
412
413 if (*fmt != 'u') {
414 if (is_negative) {
415 prefix_char = '-';
416 } else if (print_sign) {
417 prefix_char = '+';
418 } else if (print_blank) {
419 prefix_char = ' ';
420 }
421 }
422 break;
423
424
425 case 'o':
426 switch(modifier) {
427 default:
428 ui_num = (u_wide_int) va_arg(ap, unsigned int);
429 break;
430 case LM_LONG_DOUBLE:
431 goto fmt_error;
432 case LM_LONG:
433 ui_num = (u_wide_int) va_arg(ap, unsigned long int);
434 break;
435 case LM_SIZE_T:
436 ui_num = (u_wide_int) va_arg(ap, size_t);
437 break;
438 #if SIZEOF_LONG_LONG
439 case LM_LONG_LONG:
440 ui_num = (u_wide_int) va_arg(ap, u_wide_int);
441 break;
442 #endif
443 #if SIZEOF_INTMAX_T
444 case LM_INTMAX_T:
445 ui_num = (u_wide_int) va_arg(ap, uintmax_t);
446 break;
447 #endif
448 #if SIZEOF_PTRDIFF_T
449 case LM_PTRDIFF_T:
450 ui_num = (u_wide_int) va_arg(ap, ptrdiff_t);
451 break;
452 #endif
453 }
454 s = ap_php_conv_p2(ui_num, 3, *fmt, &num_buf[NUM_BUF_SIZE], &s_len);
455 FIX_PRECISION(adjust_precision, precision, s, s_len);
456 if (alternate_form && *s != '0') {
457 *--s = '0';
458 s_len++;
459 }
460 break;
461
462
463 case 'x':
464 case 'X':
465 switch(modifier) {
466 default:
467 ui_num = (u_wide_int) va_arg(ap, unsigned int);
468 break;
469 case LM_LONG_DOUBLE:
470 goto fmt_error;
471 case LM_LONG:
472 ui_num = (u_wide_int) va_arg(ap, unsigned long int);
473 break;
474 case LM_SIZE_T:
475 ui_num = (u_wide_int) va_arg(ap, size_t);
476 break;
477 #if SIZEOF_LONG_LONG
478 case LM_LONG_LONG:
479 ui_num = (u_wide_int) va_arg(ap, u_wide_int);
480 break;
481 #endif
482 #if SIZEOF_INTMAX_T
483 case LM_INTMAX_T:
484 ui_num = (u_wide_int) va_arg(ap, uintmax_t);
485 break;
486 #endif
487 #if SIZEOF_PTRDIFF_T
488 case LM_PTRDIFF_T:
489 ui_num = (u_wide_int) va_arg(ap, ptrdiff_t);
490 break;
491 #endif
492 }
493 s = ap_php_conv_p2(ui_num, 4, *fmt, &num_buf[NUM_BUF_SIZE], &s_len);
494 FIX_PRECISION(adjust_precision, precision, s, s_len);
495 if (alternate_form && i_num != 0) {
496 *--s = *fmt; /* 'x' or 'X' */
497 *--s = '0';
498 s_len += 2;
499 }
500 break;
501
502
503 case 's':
504 case 'v':
505 s = va_arg(ap, char *);
506 if (s != NULL) {
507 if (adjust_precision) {
508 s_len = precision;
509 } else {
510 s_len = strlen(s);
511 }
512
513 if (escape_xml) {
514 /* added: support for xml escaping */
515
516 int old_slen = s_len, i = 0;
517 char *old_s = s, *s_ptr;
518 free_s = s_ptr = s = emalloc(old_slen * 6 + 1);
519 do {
520 if (old_s[i] == '&' || old_s[i] == '"' || old_s[i] == '<') {
521 *s_ptr++ = '&';
522 switch (old_s[i]) {
523 case '"':
524 s_len += 5;
525 *s_ptr++ = 'q';
526 *s_ptr++ = 'u';
527 *s_ptr++ = 'o';
528 *s_ptr++ = 't';
529 break;
530 case '<':
531 s_len += 3;
532 *s_ptr++ = 'l';
533 *s_ptr++ = 't';
534 break;
535 case '&':
536 s_len += 4;
537 *s_ptr++ = 'a';
538 *s_ptr++ = 'm';
539 *s_ptr++ = 'p';
540 break;
541 }
542 *s_ptr++ = ';';
543 } else {
544 *s_ptr++ = old_s[i];
545 }
546 } while (i++ < old_slen);
547 }
548 } else {
549 s = S_NULL;
550 s_len = S_NULL_LEN;
551 }
552 pad_char = ' ';
553 break;
554
555
556 case 'b':
557 if (escape_xml) {
558 s = PHPDBG_G(err_buf).xml;
559 } else {
560 s = PHPDBG_G(err_buf).msg;
561 }
562
563 if (s != NULL) {
564 if (escape_xml) {
565 s_len = PHPDBG_G(err_buf).xmllen;
566 } else {
567 s_len = PHPDBG_G(err_buf).msglen;
568 }
569
570 if (adjust_precision && precision != s_len) {
571 s_len = precision;
572 }
573 } else {
574 s = "";
575 s_len = 0;
576 }
577 pad_char = ' ';
578 break;
579
580
581 case 'r':
582 if (PHPDBG_G(req_id)) {
583 s_len = spprintf(&s, 0, "req=\"" ZEND_ULONG_FMT "\"", PHPDBG_G(req_id));
584 free_s = s;
585 } else {
586 s = "";
587 s_len = 0;
588 }
589 break;
590
591
592 case 'f':
593 case 'F':
594 case 'e':
595 case 'E':
596
597 switch(modifier) {
598 case LM_LONG_DOUBLE:
599 fp_num = (double) va_arg(ap, long double);
600 break;
601 case LM_STD:
602 fp_num = va_arg(ap, double);
603 break;
604 default:
605 goto fmt_error;
606 }
607
608 if (zend_isnan(fp_num)) {
609 s = "NAN";
610 s_len = 3;
611 } else if (zend_isinf(fp_num)) {
612 s = "INF";
613 s_len = 3;
614 } else {
615 if (!lconv) {
616 lconv = localeconv();
617 }
618
619 s = php_conv_fp((*fmt == 'f')?'F':*fmt, fp_num, alternate_form,
620 (adjust_precision == NO) ? FLOAT_DIGITS : precision,
621 (*fmt == 'f')?LCONV_DECIMAL_POINT:'.',
622 &is_negative, &num_buf[1], &s_len);
623 if (is_negative)
624 prefix_char = '-';
625 else if (print_sign)
626 prefix_char = '+';
627 else if (print_blank)
628 prefix_char = ' ';
629 }
630 break;
631
632
633 case 'g':
634 case 'k':
635 case 'G':
636 case 'H':
637 switch(modifier) {
638 case LM_LONG_DOUBLE:
639 fp_num = (double) va_arg(ap, long double);
640 break;
641 case LM_STD:
642 fp_num = va_arg(ap, double);
643 break;
644 default:
645 goto fmt_error;
646 }
647
648 if (zend_isnan(fp_num)) {
649 s = "NAN";
650 s_len = 3;
651 break;
652 } else if (zend_isinf(fp_num)) {
653 if (fp_num > 0) {
654 s = "INF";
655 s_len = 3;
656 } else {
657 s = "-INF";
658 s_len = 4;
659 }
660 break;
661 }
662
663 if (adjust_precision == NO) {
664 precision = FLOAT_DIGITS;
665 } else if (precision == 0) {
666 precision = 1;
667 }
668 /*
669 * * We use &num_buf[ 1 ], so that we have room for the sign
670 */
671 if (!lconv) {
672 lconv = localeconv();
673 }
674
675 s = php_gcvt(fp_num, precision, (*fmt=='H' || *fmt == 'k') ? '.' : LCONV_DECIMAL_POINT, (*fmt == 'G' || *fmt == 'H')?'E':'e', &num_buf[1]);
676 if (*s == '-') {
677 prefix_char = *s++;
678 } else if (print_sign) {
679 prefix_char = '+';
680 } else if (print_blank) {
681 prefix_char = ' ';
682 }
683
684 s_len = strlen(s);
685
686 if (alternate_form && (strchr(s, '.')) == NULL) {
687 s[s_len++] = '.';
688 }
689 break;
690
691
692 case 'c':
693 char_buf[0] = (char) (va_arg(ap, int));
694 s = &char_buf[0];
695 s_len = 1;
696 pad_char = ' ';
697 break;
698
699
700 case '%':
701 char_buf[0] = '%';
702 s = &char_buf[0];
703 s_len = 1;
704 pad_char = ' ';
705 break;
706
707
708 case 'n':
709 *(va_arg(ap, int *)) = cc;
710 goto skip_output;
711
712 /*
713 * Always extract the argument as a "char *" pointer. We
714 * should be using "void *" but there are still machines
715 * that don't understand it.
716 * If the pointer size is equal to the size of an unsigned
717 * integer we convert the pointer to a hex number, otherwise
718 * we print "%p" to indicate that we don't handle "%p".
719 */
720 case 'p':
721 if (sizeof(char *) <= sizeof(u_wide_int)) {
722 ui_num = (u_wide_int)((size_t) va_arg(ap, char *));
723 s = ap_php_conv_p2(ui_num, 4, 'x',
724 &num_buf[NUM_BUF_SIZE], &s_len);
725 if (ui_num != 0) {
726 *--s = 'x';
727 *--s = '0';
728 s_len += 2;
729 }
730 } else {
731 s = "%p";
732 s_len = 2;
733 }
734 pad_char = ' ';
735 break;
736
737
738 case NUL:
739 /*
740 * The last character of the format string was %.
741 * We ignore it.
742 */
743 continue;
744
745
746 fmt_error:
747 php_error(E_ERROR, "Illegal length modifier specified '%c' in s[np]printf call", *fmt);
748 /*
749 * The default case is for unrecognized %'s.
750 * We print %<char> to help the user identify what
751 * option is not understood.
752 * This is also useful in case the user wants to pass
753 * the output of format_converter to another function
754 * that understands some other %<char> (like syslog).
755 * Note that we can't point s inside fmt because the
756 * unknown <char> could be preceded by width etc.
757 */
758 default:
759 char_buf[0] = '%';
760 char_buf[1] = *fmt;
761 s = char_buf;
762 s_len = 2;
763 pad_char = ' ';
764 break;
765 }
766
767 if (prefix_char != NUL) {
768 *--s = prefix_char;
769 s_len++;
770 }
771 if (adjust_width && adjust == RIGHT && min_width > s_len) {
772 if (pad_char == '0' && prefix_char != NUL) {
773 INS_CHAR(*s, sp, bep, cc)
774 s++;
775 s_len--;
776 min_width--;
777 }
778 PAD(min_width, s_len, pad_char);
779 }
780 /*
781 * Print the string s.
782 */
783 for (i = s_len; i != 0; i--) {
784 INS_CHAR(*s, sp, bep, cc);
785 s++;
786 }
787
788 if (adjust_width && adjust == LEFT && min_width > s_len)
789 PAD(min_width, s_len, pad_char);
790 if (free_zcopy) {
791 zval_ptr_dtor_str(&zcopy);
792 }
793 }
794 skip_output:
795 if (free_s) {
796 efree(free_s);
797 free_s = NULL;
798 }
799
800 fmt++;
801 }
802 odp->nextb = sp;
803 return (cc);
804 }
805
strx_printv(int * ccp,char * buf,size_t len,const char * format,zend_bool escape_xml,va_list ap)806 static void strx_printv(int *ccp, char *buf, size_t len, const char *format, zend_bool escape_xml, va_list ap) {
807 buffy od;
808 int cc;
809
810 /*
811 * First initialize the descriptor
812 * Notice that if no length is given, we initialize buf_end to the
813 * highest possible address.
814 */
815 if (len == 0) {
816 od.buf_end = (char *) ~0;
817 od.nextb = (char *) ~0;
818 } else {
819 od.buf_end = &buf[len-1];
820 od.nextb = buf;
821 }
822
823 /*
824 * Do the conversion
825 */
826 cc = format_converter(&od, format, escape_xml, ap);
827 if (len != 0 && od.nextb <= od.buf_end) {
828 *(od.nextb) = '\0';
829 }
830 if (ccp) {
831 *ccp = cc;
832 }
833 }
834
phpdbg_xml_vsnprintf(char * buf,size_t len,const char * format,zend_bool escape_xml,va_list ap)835 static int phpdbg_xml_vsnprintf(char *buf, size_t len, const char *format, zend_bool escape_xml, va_list ap) {
836 int cc;
837
838 strx_printv(&cc, buf, len, format, escape_xml, ap);
839 return (cc);
840 }
841
phpdbg_xml_vasprintf(char ** buf,const char * format,zend_bool escape_xml,va_list ap)842 PHPDBG_API int phpdbg_xml_vasprintf(char **buf, const char *format, zend_bool escape_xml, va_list ap) {
843 va_list ap2;
844 int cc;
845
846 va_copy(ap2, ap);
847 cc = phpdbg_xml_vsnprintf(NULL, 0, format, escape_xml, ap2);
848 va_end(ap2);
849
850 *buf = NULL;
851
852 if (cc >= 0) {
853 *buf = emalloc(++cc);
854 if ((cc = phpdbg_xml_vsnprintf(*buf, cc, format, escape_xml, ap)) < 0) {
855 efree(*buf);
856 *buf = NULL;
857 }
858 }
859
860 return cc;
861 }
862 /* copy end */
863
_phpdbg_asprintf(char ** buf,const char * format,...)864 PHPDBG_API int _phpdbg_asprintf(char **buf, const char *format, ...) {
865 int ret;
866 va_list va;
867
868 va_start(va, format);
869 ret = phpdbg_xml_vasprintf(buf, format, 0, va);
870 va_end(va);
871
872 return ret;
873 }
874
phpdbg_encode_xml(char ** buf,char * msg,int msglen,int from,char * to)875 static int phpdbg_encode_xml(char **buf, char *msg, int msglen, int from, char *to) {
876 int i;
877 int tolen = to ? strlen(to) : 5;
878 char *tmp = *buf = emalloc(msglen * tolen);
879 for (i = 0; i++ < msglen; msg++) {
880 if (*msg == '&') {
881 memcpy(tmp, ZEND_STRL("&"));
882 tmp += sizeof("&") - 1;
883 } else if (*msg == '<') {
884 memcpy(tmp, ZEND_STRL("<"));
885 tmp += sizeof("<") - 1;
886 } else if (((int) *msg) == from) {
887 memcpy(tmp, to, tolen);
888 tmp += tolen;
889 } else {
890 *tmp++ = *msg;
891 }
892 }
893
894 {
895 int len = tmp - *buf;
896 *buf = erealloc(*buf, len + 1);
897 return len;
898 }
899 }
900
phpdbg_encode_ctrl_chars(char ** buf,int * buflen)901 static void phpdbg_encode_ctrl_chars(char **buf, int *buflen) {
902 char *tmp, *tmpptr;
903 int len;
904 int i;
905
906 tmp = tmpptr = emalloc(*buflen * 5);
907
908 for (i = 0; i < *buflen; i++) {
909 if ((*buf)[i] < 0x20) {
910 *tmpptr++ = '&';
911 *tmpptr++ = '#';
912 if ((unsigned int) ((*buf)[i]) > 9) {
913 *tmpptr++ = ((*buf)[i] / 10) + '0';
914 }
915 *tmpptr++ = ((*buf)[i] % 10) + '0';
916 *tmpptr++ = ';';
917 } else {
918 *tmpptr++ = (*buf)[i];
919 }
920 }
921
922 len = tmpptr - tmp;
923
924 efree(*buf);
925 *buf = erealloc(tmp, len + 1);
926 *buflen = len;
927 }
928
phpdbg_process_print(int fd,int type,const char * tag,const char * msg,int msglen,const char * xml,int xmllen)929 static int phpdbg_process_print(int fd, int type, const char *tag, const char *msg, int msglen, const char *xml, int xmllen) {
930 char *msgout = NULL, *buf;
931 int msgoutlen, xmloutlen, buflen;
932 const char *severity;
933
934 if ((PHPDBG_G(flags) & PHPDBG_WRITE_XML) && PHPDBG_G(in_script_xml) && PHPDBG_G(in_script_xml) != type) {
935 phpdbg_mixed_write(fd, ZEND_STRL("</stream>"));
936 PHPDBG_G(in_script_xml) = 0;
937 }
938
939 switch (type) {
940 case P_ERROR:
941 severity = "error";
942 if (!PHPDBG_G(last_was_newline)) {
943 if (PHPDBG_G(flags) & PHPDBG_WRITE_XML) {
944 phpdbg_mixed_write(fd, ZEND_STRL("<phpdbg>\n" "</phpdbg>"));
945 } else {
946 phpdbg_mixed_write(fd, ZEND_STRL("\n"));
947 }
948 PHPDBG_G(last_was_newline) = 1;
949 }
950 if (PHPDBG_G(flags) & PHPDBG_IS_COLOURED) {
951 msgoutlen = phpdbg_asprintf(&msgout, "\033[%sm[%.*s]\033[0m\n", PHPDBG_G(colors)[PHPDBG_COLOR_ERROR]->code, msglen, msg);
952 } else {
953 msgoutlen = phpdbg_asprintf(&msgout, "[%.*s]\n", msglen, msg);
954 }
955 break;
956
957 case P_NOTICE:
958 severity = "notice";
959 if (!PHPDBG_G(last_was_newline)) {
960 if (PHPDBG_G(flags) & PHPDBG_WRITE_XML) {
961 phpdbg_mixed_write(fd, ZEND_STRL("<phpdbg>\n" "</phpdbg>"));
962 } else {
963 phpdbg_mixed_write(fd, ZEND_STRL("\n"));
964 }
965 PHPDBG_G(last_was_newline) = 1;
966 }
967 if (PHPDBG_G(flags) & PHPDBG_IS_COLOURED) {
968 msgoutlen = phpdbg_asprintf(&msgout, "\033[%sm[%.*s]\033[0m\n", PHPDBG_G(colors)[PHPDBG_COLOR_NOTICE]->code, msglen, msg);
969 } else {
970 msgoutlen = phpdbg_asprintf(&msgout, "[%.*s]\n", msglen, msg);
971 }
972 break;
973
974 case P_WRITELN:
975 severity = "normal";
976 if (msg) {
977 msgoutlen = phpdbg_asprintf(&msgout, "%.*s\n", msglen, msg);
978 } else {
979 msgoutlen = 1;
980 msgout = estrdup("\n");
981 }
982 PHPDBG_G(last_was_newline) = 1;
983 break;
984
985 case P_WRITE:
986 severity = "normal";
987 if (msg) {
988 msgout = estrndup(msg, msglen);
989 msgoutlen = msglen;
990 PHPDBG_G(last_was_newline) = msg[msglen - 1] == '\n';
991 } else {
992 msgoutlen = 0;
993 msgout = estrdup("");
994 }
995 break;
996
997 case P_STDOUT:
998 case P_STDERR:
999 if (msg) {
1000 PHPDBG_G(last_was_newline) = msg[msglen - 1] == '\n';
1001 if (PHPDBG_G(flags) & PHPDBG_WRITE_XML) {
1002 zend_string *encoded;
1003
1004 if (PHPDBG_G(in_script_xml) != type) {
1005 char *stream_buf;
1006 int stream_buflen = phpdbg_asprintf(&stream_buf, "<stream type=\"%s\">", type == P_STDERR ? "stderr" : "stdout");
1007 phpdbg_mixed_write(fd, stream_buf, stream_buflen);
1008 efree(stream_buf);
1009 PHPDBG_G(in_script_xml) = type;
1010 }
1011 encoded = php_escape_html_entities((unsigned char *) msg, msglen, 0, ENT_NOQUOTES, PG(internal_encoding) && PG(internal_encoding)[0] ? PG(internal_encoding) : (SG(default_charset) ? SG(default_charset) : "UTF-8"));
1012 buflen = ZSTR_LEN(encoded);
1013 memcpy(buf = emalloc(buflen + 1), ZSTR_VAL(encoded), buflen);
1014 phpdbg_encode_ctrl_chars(&buf, &buflen);
1015 phpdbg_mixed_write(fd, buf, buflen);
1016 efree(buf);
1017 } else {
1018 phpdbg_mixed_write(fd, msg, msglen);
1019 }
1020 }
1021 return msglen;
1022
1023 /* no formatting on logging output */
1024 case P_LOG:
1025 severity = "log";
1026 if (msg) {
1027 struct timeval tp;
1028 if (gettimeofday(&tp, NULL) == SUCCESS) {
1029 msgoutlen = phpdbg_asprintf(&msgout, "[%ld %.8F]: %.*s\n", tp.tv_sec, tp.tv_usec / 1000000., msglen, msg);
1030 } else {
1031 msgoutlen = FAILURE;
1032 }
1033 }
1034 break;
1035 EMPTY_SWITCH_DEFAULT_CASE()
1036 }
1037
1038 if (PHPDBG_G(flags) & PHPDBG_WRITE_XML) {
1039 char *xmlout;
1040
1041 if (PHPDBG_G(req_id)) {
1042 char *xmlbuf = NULL;
1043 xmllen = phpdbg_asprintf(&xmlbuf, "req=\"" ZEND_ULONG_FMT "\" %.*s", PHPDBG_G(req_id), xmllen, xml);
1044 xml = xmlbuf;
1045 }
1046 if (msgout) {
1047 buflen = phpdbg_encode_xml(&buf, msgout, msgoutlen, '"', """);
1048 xmloutlen = phpdbg_asprintf(&xmlout, "<%s severity=\"%s\" %.*s msgout=\"%.*s\" />", tag, severity, xmllen, xml, buflen, buf);
1049
1050 efree(buf);
1051 } else {
1052 xmloutlen = phpdbg_asprintf(&xmlout, "<%s severity=\"%s\" %.*s msgout=\"\" />", tag, severity, xmllen, xml);
1053 }
1054
1055 phpdbg_encode_ctrl_chars(&xmlout, &xmloutlen);
1056 phpdbg_eol_convert(&xmlout, &xmloutlen);
1057 phpdbg_mixed_write(fd, xmlout, xmloutlen);
1058 efree(xmlout);
1059 } else if (msgout) {
1060 phpdbg_eol_convert(&msgout, &msgoutlen);
1061 phpdbg_mixed_write(fd, msgout, msgoutlen);
1062 }
1063
1064 if (PHPDBG_G(req_id) && (PHPDBG_G(flags) & PHPDBG_WRITE_XML)) {
1065 efree((char *) xml);
1066 }
1067
1068 if (msgout) {
1069 efree(msgout);
1070 }
1071
1072 return msgout ? msgoutlen : xmloutlen;
1073 } /* }}} */
1074
phpdbg_vprint(int type,int fd,const char * tag,const char * xmlfmt,const char * strfmt,va_list args)1075 PHPDBG_API int phpdbg_vprint(int type, int fd, const char *tag, const char *xmlfmt, const char *strfmt, va_list args) {
1076 char *msg = NULL, *xml = NULL;
1077 int msglen = 0, xmllen = 0;
1078 int len;
1079 va_list argcpy;
1080
1081 if (strfmt != NULL && strlen(strfmt) > 0L) {
1082 va_copy(argcpy, args);
1083 msglen = phpdbg_xml_vasprintf(&msg, strfmt, 0, argcpy);
1084 va_end(argcpy);
1085 }
1086
1087 if (PHPDBG_G(flags) & PHPDBG_WRITE_XML) {
1088 if (xmlfmt != NULL && strlen(xmlfmt) > 0L) {
1089 va_copy(argcpy, args);
1090 xmllen = phpdbg_xml_vasprintf(&xml, xmlfmt, 1, argcpy);
1091 va_end(argcpy);
1092 } else {
1093 xml = estrdup("");
1094 }
1095 }
1096
1097 if (PHPDBG_G(err_buf).active && type != P_STDOUT && type != P_STDERR) {
1098 phpdbg_free_err_buf();
1099
1100 PHPDBG_G(err_buf).type = type;
1101 PHPDBG_G(err_buf).fd = fd;
1102 PHPDBG_G(err_buf).tag = estrdup(tag);
1103 PHPDBG_G(err_buf).msg = msg;
1104 PHPDBG_G(err_buf).msglen = msglen;
1105 if (PHPDBG_G(flags) & PHPDBG_WRITE_XML) {
1106 PHPDBG_G(err_buf).xml = xml;
1107 PHPDBG_G(err_buf).xmllen = xmllen;
1108 }
1109
1110 return msglen;
1111 }
1112
1113 len = phpdbg_process_print(fd, type, tag, msg, msglen, xml, xmllen);
1114
1115 if (msg) {
1116 efree(msg);
1117 }
1118
1119 if (xml) {
1120 efree(xml);
1121 }
1122
1123 return len;
1124 }
1125
phpdbg_free_err_buf(void)1126 PHPDBG_API void phpdbg_free_err_buf(void) {
1127 if (PHPDBG_G(err_buf).type == 0) {
1128 return;
1129 }
1130
1131 PHPDBG_G(err_buf).type = 0;
1132
1133 efree(PHPDBG_G(err_buf).tag);
1134 efree(PHPDBG_G(err_buf).msg);
1135 if (PHPDBG_G(flags) & PHPDBG_WRITE_XML) {
1136 efree(PHPDBG_G(err_buf).xml);
1137 }
1138 }
1139
phpdbg_activate_err_buf(zend_bool active)1140 PHPDBG_API void phpdbg_activate_err_buf(zend_bool active) {
1141 PHPDBG_G(err_buf).active = active;
1142 }
1143
phpdbg_output_err_buf(const char * tag,const char * xmlfmt,const char * strfmt,...)1144 PHPDBG_API int phpdbg_output_err_buf(const char *tag, const char *xmlfmt, const char *strfmt, ...) {
1145 int len;
1146 va_list args;
1147 int errbuf_active = PHPDBG_G(err_buf).active;
1148
1149 if (PHPDBG_G(flags) & PHPDBG_DISCARD_OUTPUT) {
1150 return 0;
1151 }
1152
1153 PHPDBG_G(err_buf).active = 0;
1154
1155 va_start(args, strfmt);
1156 len = phpdbg_vprint(PHPDBG_G(err_buf).type, PHPDBG_G(err_buf).fd, tag ? tag : PHPDBG_G(err_buf).tag, xmlfmt, strfmt, args);
1157 va_end(args);
1158
1159 PHPDBG_G(err_buf).active = errbuf_active;
1160 phpdbg_free_err_buf();
1161
1162 return len;
1163 }
1164
phpdbg_print(int type,int fd,const char * tag,const char * xmlfmt,const char * strfmt,...)1165 PHPDBG_API int phpdbg_print(int type, int fd, const char *tag, const char *xmlfmt, const char *strfmt, ...) {
1166 va_list args;
1167 int len;
1168
1169 if (PHPDBG_G(flags) & PHPDBG_DISCARD_OUTPUT) {
1170 return 0;
1171 }
1172
1173 va_start(args, strfmt);
1174 len = phpdbg_vprint(type, fd, tag, xmlfmt, strfmt, args);
1175 va_end(args);
1176
1177 return len;
1178 }
1179
phpdbg_xml_internal(int fd,const char * fmt,...)1180 PHPDBG_API int phpdbg_xml_internal(int fd, const char *fmt, ...) {
1181 int len = 0;
1182
1183 if (PHPDBG_G(flags) & PHPDBG_DISCARD_OUTPUT) {
1184 return 0;
1185 }
1186
1187 if (PHPDBG_G(flags) & PHPDBG_WRITE_XML) {
1188 va_list args;
1189 char *buffer;
1190 int buflen;
1191
1192 va_start(args, fmt);
1193 buflen = phpdbg_xml_vasprintf(&buffer, fmt, 1, args);
1194 va_end(args);
1195
1196 phpdbg_encode_ctrl_chars(&buffer, &buflen);
1197
1198 if (PHPDBG_G(in_script_xml)) {
1199 phpdbg_mixed_write(fd, ZEND_STRL("</stream>"));
1200 PHPDBG_G(in_script_xml) = 0;
1201 }
1202
1203 len = phpdbg_mixed_write(fd, buffer, buflen);
1204 efree(buffer);
1205 }
1206
1207 return len;
1208 }
1209
phpdbg_log_internal(int fd,const char * fmt,...)1210 PHPDBG_API int phpdbg_log_internal(int fd, const char *fmt, ...) {
1211 va_list args;
1212 char *buffer;
1213 int buflen;
1214 int len = 0;
1215
1216 va_start(args, fmt);
1217 buflen = phpdbg_xml_vasprintf(&buffer, fmt, 0, args);
1218 va_end(args);
1219
1220 len = phpdbg_mixed_write(fd, buffer, buflen);
1221 efree(buffer);
1222
1223 return len;
1224 }
1225
phpdbg_out_internal(int fd,const char * fmt,...)1226 PHPDBG_API int phpdbg_out_internal(int fd, const char *fmt, ...) {
1227 va_list args;
1228 char *buffer;
1229 int buflen;
1230 int len = 0;
1231
1232 if (PHPDBG_G(flags) & PHPDBG_DISCARD_OUTPUT) {
1233 return 0;
1234 }
1235
1236 va_start(args, fmt);
1237 buflen = phpdbg_xml_vasprintf(&buffer, fmt, 0, args);
1238 va_end(args);
1239
1240 if (PHPDBG_G(flags) & PHPDBG_WRITE_XML) {
1241 char *msg;
1242 int msglen;
1243
1244 msglen = phpdbg_encode_xml(&msg, buffer, buflen, 256, NULL);
1245 phpdbg_encode_ctrl_chars(&msg, &msglen);
1246 phpdbg_eol_convert(&msg, &msglen);
1247
1248 if (PHPDBG_G(in_script_xml)) {
1249 phpdbg_mixed_write(fd, ZEND_STRL("</stream>"));
1250 PHPDBG_G(in_script_xml) = 0;
1251 }
1252
1253 phpdbg_mixed_write(fd, ZEND_STRL("<phpdbg>"));
1254 len = phpdbg_mixed_write(fd, msg, msglen);
1255 phpdbg_mixed_write(fd, ZEND_STRL("</phpdbg>"));
1256 } else {
1257 phpdbg_eol_convert(&buffer, &buflen);
1258 len = phpdbg_mixed_write(fd, buffer, buflen);
1259 }
1260
1261 efree(buffer);
1262 return len;
1263 }
1264
1265
phpdbg_rlog_internal(int fd,const char * fmt,...)1266 PHPDBG_API int phpdbg_rlog_internal(int fd, const char *fmt, ...) { /* {{{ */
1267 int rc = 0;
1268
1269 va_list args;
1270 struct timeval tp;
1271
1272 va_start(args, fmt);
1273 if (gettimeofday(&tp, NULL) == SUCCESS) {
1274 char friendly[100];
1275 char *format = NULL, *buffer = NULL, *outbuf = NULL;
1276 const time_t tt = tp.tv_sec;
1277
1278 #ifdef PHP_WIN32
1279 strftime(friendly, 100, "%a %b %d %H.%%04d %Y", localtime(&tt));
1280 #else
1281 strftime(friendly, 100, "%a %b %d %T.%%04d %Y", localtime(&tt));
1282 #endif
1283 phpdbg_asprintf(&buffer, friendly, tp.tv_usec/1000);
1284 phpdbg_asprintf(&format, "[%s]: %s\n", buffer, fmt);
1285 rc = phpdbg_xml_vasprintf(&outbuf, format, 0, args);
1286
1287 if (outbuf) {
1288 rc = phpdbg_mixed_write(fd, outbuf, rc);
1289 efree(outbuf);
1290 }
1291
1292 efree(format);
1293 efree(buffer);
1294 }
1295 va_end(args);
1296
1297 return rc;
1298 } /* }}} */
1299
