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disable upper controls and enable all other

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8bit codes due to lack of locale knowledge in daemon
This commit is contained in:
Andrey A. Chernov 1997-09-15 00:27:49 +00:00
parent 07484d1f24
commit 4541df7be4
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=29432
1 changed files with 15 additions and 11 deletions
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26
libexec/comsat/comsat.c
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@ -30,7 +30,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id$
* $Id: comsat.c,v 1.8 1997/02/22 14:21:23 peter Exp $
*/
#ifndef lint
@ -251,11 +251,11 @@ jkfprintf(tp, user, file, offset)
char file[];
off_t offset;
{
register char *cp, ch;
register unsigned char *cp, ch;
register FILE *fi;
register int linecnt, charcnt, inheader;
register struct passwd *p;
char line[BUFSIZ];
unsigned char line[BUFSIZ];
/* Set effective uid to user in case mail drop is on nfs */
if ((p = getpwnam(user)) != NULL)
@ -291,15 +291,19 @@ jkfprintf(tp, user, file, offset)
}
/* strip weird stuff so can't trojan horse stupid terminals */
for (cp = line; (ch = *cp) && ch != '\n'; ++cp, --charcnt) {
if (!isprint(ch)) {
if (ch & 0x80)
/* disable upper controls and enable all other
8bit codes due to lack of locale knowledge
*/
if (((ch & 0x80) && ch < 0xA0) ||
(!(ch & 0x80) && !isprint(ch) &&
!isspace(ch) && ch != '\007')
) {
if (ch & 0x80) {
ch &= ~0x80;
(void)fputs("M-", tp);
ch &= 0177;
if (!isprint(ch)) {
if (ch == 0177)
ch = '?';
else
ch |= 0x40;
}
if (iscntrl(ch)) {
ch ^= 0x40;
(void)fputc('^', tp);
}
}