diff options
| author | guido <guido@FreeBSD.org> | 1994-10-23 15:33:55 +0000 |
|---|---|---|
| committer | guido <guido@FreeBSD.org> | 1994-10-23 15:33:55 +0000 |
| commit | be99ddf809b6d0e6c08039424cddd7b74cb237ce (patch) | |
| tree | 3d2de7fa4dad6cdc53dcadcafe2a7934ecf3daa7 /usr.bin/wall | |
| parent | 052101cf252f7d9a7f8beb21163b0cc428466d1a (diff) | |
| download | FreeBSD-src-be99ddf809b6d0e6c08039424cddd7b74cb237ce.zip FreeBSD-src-be99ddf809b6d0e6c08039424cddd7b74cb237ce.tar.gz | |
The talkd security hole can ealso be exploited by wall (and thus rwall).
write and talk are not affected.
Now print out escape sequences in the same way as is done by write(1).
Diffstat (limited to 'usr.bin/wall')
| -rw-r--r-- | usr.bin/wall/wall.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/usr.bin/wall/wall.c b/usr.bin/wall/wall.c index 9b120ed..083f0f5 100644 --- a/usr.bin/wall/wall.c +++ b/usr.bin/wall/wall.c @@ -178,6 +178,11 @@ makemsg(fname) putc('\r', fp); putc('\n', fp); cnt = 0; + } else if (!isprint(ch) && !isspace(ch) && ch != '\007') + { + putc('^', fp); + putc(ch^0x40, fp); /* DEL to ?, others to a +lpha */ } else putc(ch, fp); } |
