struct group *gr;
gid_t ttygid = -1;
- if ((gr = sudo_getgrnam("tty")) != NULL)
+ if ((gr = sudo_getgrnam("tty")) != NULL) {
ttygid = gr->gr_gid;
+ gr_delref(gr);
+ }
if (openpty(master, slave, name, NULL, NULL) != 0)
- return(0);
- (void) chown(name, ttyuid, ttygid);
- return(1);
+ return 0;
+ if (chown(name, ttyuid, ttygid) != 0)
+ return 0;
+ return 1;
}
#elif defined(HAVE__GETPTY)
/* IRIX-style dynamic ptys (may fork) */
line = _getpty(master, O_RDWR, S_IRUSR|S_IWUSR|S_IWGRP, 0);
if (line == NULL)
- return (0);
+ return 0;
*slave = open(line, O_RDWR|O_NOCTTY, 0);
if (*slave == -1) {
close(*master);
- return(0);
+ return 0;
}
(void) chown(line, ttyuid, -1);
strlcpy(name, line, namesz);
- return(1);
+ return 1;
}
#elif defined(HAVE_GRANTPT)
# ifndef HAVE_POSIX_OPENPT
# else
fd = open("/dev/ptmx", oflag);
# endif
- return(fd);
+ return fd;
}
# endif /* HAVE_POSIX_OPENPT */
*master = posix_openpt(O_RDWR|O_NOCTTY);
if (*master == -1)
- return(0);
+ return 0;
(void) grantpt(*master); /* may fork */
if (unlockpt(*master) != 0) {
close(*master);
- return(0);
+ return 0;
}
line = ptsname(*master);
if (line == NULL) {
close(*master);
- return(0);
+ return 0;
}
*slave = open(line, O_RDWR|O_NOCTTY, 0);
if (*slave == -1) {
close(*master);
- return(0);
+ return 0;
}
# if defined(I_PUSH) && !defined(_AIX)
ioctl(*slave, I_PUSH, "ptem"); /* pseudo tty emulation module */
# endif
(void) chown(line, ttyuid, -1);
strlcpy(name, line, namesz);
- return(1);
+ return 1;
}
#else /* Old-style BSD ptys */
*master = open(line, O_RDWR|O_NOCTTY, 0);
if (*master == -1) {
if (errno == ENOENT)
- return(0); /* out of ptys */
+ return 0; /* out of ptys */
continue; /* already in use */
}
line[sizeof("/dev/p") - 2] = 't';
*slave = open(line, O_RDWR|O_NOCTTY, 0);
if (*slave != -1) {
strlcpy(name, line, namesz);
- return(1); /* success */
+ return 1; /* success */
}
(void) close(*master);
}
}
- return(0);
+ return 0;
}
#endif /* HAVE_OPENPTY */