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EANX_CC/UPCA_CC: fix crash in dbar_date() on not checking length

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in `cc_binary_string()`, ticket #300 (#5 & #6), props Andre Maute;
  add other checks for length on processing encoding mode
PDF417: fix out-of-bounds crash on overrunning string and codeword
  buffers by tripling size (convert to `short` instead of `int` to
  guard against too much stack), ticket #300 (#7 & #10), props Andre
  Maute; (TODO: add some checks instead to bail out earlier?)
CODEONE: fix looping on latch crash in `c1_encode()`, ticket #300 (#8),
  props Andre Maute
CODABLOCKF: fix crash on negative overflow of `columns` (`option_2`),
  ticket #300 (#9), props Andre Maute
library: add `debug_print_escape()` helper for ZINT_DEBUG_PRINT
This commit is contained in:
gitlost
2023-11-27 12:55:53 +00:00
parent 77c1ef1139
commit a14fe77aa0
17 changed files with 561 additions and 193 deletions
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backend/pdf417.h
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@@ -56,7 +56,7 @@ INTERNAL_DATA_EXTERN const unsigned short pdf_rap_side[52];
/* Centre Row Address Pattern from Table 2 */
INTERNAL_DATA_EXTERN const unsigned short pdf_rap_centre[52];
INTERNAL void pdf_byteprocess(int *chainemc, int *p_mclength, const unsigned char chaine[], int start,
INTERNAL void pdf_byteprocess(short *chainemc, int *p_mclength, const unsigned char chaine[], int start,
const int length, const int lastmode, const int debug);
/* vim: set ts=4 sw=4 et : */