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Move updating of the window size to the monitor process.

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This will allow us to close the slave in the main sudo process in
the future so only the command and monitor have it open.
This commit is contained in:
Todd C. Miller
2018-08-20 10:04:14 -06:00
parent db8a760b0f
commit 6953e7fc79
4 changed files with 187 additions and 111 deletions
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12
lib/util/term.c
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@@ -17,6 +17,7 @@
#include <config.h>
#include <sys/types.h>
#include <sys/ioctl.h>
#include <stdio.h>
#include <stdlib.h>
#ifdef HAVE_STRING_H
@@ -255,6 +256,7 @@ bool
sudo_term_copy_v1(int src, int dst)
{
struct termios tt_src, tt_dst;
struct winsize wsize;
speed_t speed;
int i;
debug_decl(sudo_term_copy, SUDO_DEBUG_UTIL)
@@ -285,7 +287,11 @@ sudo_term_copy_v1(int src, int dst)
speed = cfgetispeed(&tt_src);
cfsetispeed(&tt_dst, speed);
if (tcsetattr_nobg(dst, TCSASOFT|TCSAFLUSH, &tt_dst) == 0)
debug_return_bool(true);
debug_return_bool(false);
if (tcsetattr_nobg(dst, TCSASOFT|TCSAFLUSH, &tt_dst) == -1)
debug_return_bool(false);
if (ioctl(src, TIOCGWINSZ, &wsize) == 0)
(void)ioctl(dst, TIOCSWINSZ, &wsize);
debug_return_bool(true);
}