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Red Hat issue 1022048: strncpy hardening

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This commit is contained in:
Gerhard Rieger 2014-01-19 14:35:23 +01:00
parent 82231ad799
commit 520e84aba7
14 changed files with 117 additions and 86 deletions

4
xio-progcall.c
View file

@ -1,5 +1,5 @@
/* source: xio-progcall.c */
/* Copyright Gerhard Rieger 2001-2009 */
/* Copyright Gerhard Rieger */
/* Published under the GNU General Public License V.2, see file COPYING */
/* this file contains common code dealing with program calls (exec, system) */
@ -239,7 +239,7 @@ int _xioopen_foxec(int xioflags, /* XIO_RDONLY etc. */
Warn2("ttyname(%d): %s", ptyfd, strerror(errno));
}
}
strncpy(ptyname, tn, MAXPTYNAMELEN);
ptyname[0] = '\0'; strncat(ptyname, tn, MAXPTYNAMELEN-1);
if ((ttyfd = Open(tn, O_RDWR|O_NOCTTY, 0620)) < 0) {
Warn2("open(\"%s\", O_RDWR|O_NOCTTY, 0620): %s", tn, strerror(errno));
} else {