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0022378: Small patch to fix buffer vulnerability of Draw

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This commit is contained in:
SZY 2011-11-18 09:58:53 +00:00 committed by bugmaster
parent 2b442de5ec
commit 4b943aab31
1 changed files with 5 additions and 3 deletions
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8
src/Draw/Draw_Window.cxx
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@ -1945,8 +1945,9 @@ static Tk_Window mainWindow;
//* threads sinchronization *// //* threads sinchronization *//
DWORD dwMainThreadId; DWORD dwMainThreadId;
console_semaphore_value volatile console_semaphore = WAIT_CONSOLE_COMMAND; console_semaphore_value volatile console_semaphore = WAIT_CONSOLE_COMMAND;
char console_command[1000]; //char console_command[1000];
#define COMMAND_SIZE 1000 /* Console Command size */
char console_command[COMMAND_SIZE];
bool volatile isTkLoopStarted = false; bool volatile isTkLoopStarted = false;
/*--------------------------------------------------------*\ /*--------------------------------------------------------*\
@ -2025,7 +2026,8 @@ static DWORD WINAPI readStdinThreadFunc(VOID)
while (1) { while (1) {
while (console_semaphore != WAIT_CONSOLE_COMMAND) while (console_semaphore != WAIT_CONSOLE_COMMAND)
Sleep(100); Sleep(100);
if (gets(console_command)) //if (gets(console_command))
if (fgets(console_command,COMMAND_SIZE,stdin))
{ {
console_semaphore = HAS_CONSOLE_COMMAND; console_semaphore = HAS_CONSOLE_COMMAND;
} }