Mercurial > vim
view src/ascii.h @ 33776:9503dc55b5ed v9.0.2108
patch 9.0.2108: [security]: overflow with count for :s command
Commit: https://github.com/vim/vim/commit/ac63787734fda2e294e477af52b3bd601517fa78
Author: Christian Brabandt <cb@256bit.org>
Date: Tue Nov 14 20:45:48 2023 +0100
patch 9.0.2108: [security]: overflow with count for :s command
Problem: [security]: overflow with count for :s command
Solution: Abort the :s command if the count is too large
If the count after the :s command is larger than what fits into a
(signed) long variable, abort with e_value_too_large.
Adds a test with INT_MAX as count and verify it correctly fails.
It seems the return value on Windows using mingw compiler wraps around,
so the initial test using :s/./b/9999999999999999999999999990 doesn't
fail there, since the count is wrapping around several times and finally
is no longer larger than 2147483647. So let's just use 2147483647 in the
test, which hopefully will always cause a failure
Signed-off-by: Christian Brabandt <cb@256bit.org>
author | Christian Brabandt <cb@256bit.org> |
---|---|
date | Thu, 16 Nov 2023 22:15:10 +0100 |
parents | fb4c30606b4a |
children |
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/* vi:set ts=8 sts=4 sw=4 noet: * * VIM - Vi IMproved by Bram Moolenaar * * Do ":help uganda" in Vim to read copying and usage conditions. * Do ":help credits" in Vim to see a list of people who contributed. */ /* * Definitions of various common control characters. */ #define CharOrd(x) ((x) < 'a' ? (x) - 'A' : (x) - 'a') #define CharOrdLow(x) ((x) - 'a') #define CharOrdUp(x) ((x) - 'A') #define ROT13(c, a) (((((c) - (a)) + 13) % 26) + (a)) #define NUL '\000' #define BELL '\007' #define BS '\010' #define TAB '\011' #define NL '\012' #define NL_STR (char_u *)"\012" #define FF '\014' #define CAR '\015' // CR is used by Mac OS X #define ESC '\033' #define ESC_STR (char_u *)"\033" #define ESC_STR_nc "\033" #define DEL 0x7f #define DEL_STR (char_u *)"\177" #define POUND 0xA3 #define Ctrl_chr(x) (TOUPPER_ASC(x) ^ 0x40) // '?' -> DEL, '@' -> ^@, etc. #define Meta(x) ((x) | 0x80) #define CTRL_F_STR "\006" #define CTRL_H_STR "\010" #define CTRL_V_STR "\026" #define Ctrl_AT 0 // @ #define Ctrl_A 1 #define Ctrl_B 2 #define Ctrl_C 3 #define Ctrl_D 4 #define Ctrl_E 5 #define Ctrl_F 6 #define Ctrl_G 7 #define Ctrl_H 8 #define Ctrl_I 9 #define Ctrl_J 10 #define Ctrl_K 11 #define Ctrl_L 12 #define Ctrl_M 13 #define Ctrl_N 14 #define Ctrl_O 15 #define Ctrl_P 16 #define Ctrl_Q 17 #define Ctrl_R 18 #define Ctrl_S 19 #define Ctrl_T 20 #define Ctrl_U 21 #define Ctrl_V 22 #define Ctrl_W 23 #define Ctrl_X 24 #define Ctrl_Y 25 #define Ctrl_Z 26 // CTRL- [ Left Square Bracket == ESC #define Ctrl_BSL 28 // \ BackSLash #define Ctrl_RSB 29 // ] Right Square Bracket #define Ctrl_HAT 30 // ^ #define Ctrl__ 31 #define CSI 0x9b // Control Sequence Introducer #define CSI_STR "\233" #define DCS 0x90 // Device Control String #define OSC 0x9d // Operating System Command #define STERM 0x9c // String Terminator /* * Character that separates dir names in a path. * For MS-DOS, WIN32 and OS/2 we use a backslash. A slash mostly works * fine, but there are places where it doesn't (e.g. in a command name). * For Acorn we use a dot. */ #ifdef BACKSLASH_IN_FILENAME # define PATHSEP psepc # define PATHSEPSTR pseps #else # define PATHSEP '/' # define PATHSEPSTR "/" #endif