diff options
| author | rwatson <rwatson@FreeBSD.org> | 2002-10-21 04:15:40 +0000 |
|---|---|---|
| committer | rwatson <rwatson@FreeBSD.org> | 2002-10-21 04:15:40 +0000 |
| commit | 684bc9e08ec18169c603912587c56a6206587948 (patch) | |
| tree | 95c8987c54df093d7b22235eb452c9d141d838c5 /sys/security/mac_biba | |
| parent | bc3681d122544ce7f0d7dd40d03e0869254bdc59 (diff) | |
| download | FreeBSD-src-684bc9e08ec18169c603912587c56a6206587948.zip FreeBSD-src-684bc9e08ec18169c603912587c56a6206587948.tar.gz | |
Add a twiddle to create PTY's with a biba/equal or mls/equal label
instead of the default biba/high, mls/low, making it easier to use
ptys with these policies. This isn't the final solution, but does
help.
Obtained from: TrustedBSD Project
Sponsored by: DARPA, Network Associates Laboratories
Diffstat (limited to 'sys/security/mac_biba')
| -rw-r--r-- | sys/security/mac_biba/mac_biba.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/sys/security/mac_biba/mac_biba.c b/sys/security/mac_biba/mac_biba.c index d27b54c..d7349f3 100644 --- a/sys/security/mac_biba/mac_biba.c +++ b/sys/security/mac_biba/mac_biba.c @@ -102,6 +102,11 @@ SYSCTL_STRING(_security_mac_biba, OID_AUTO, trusted_interfaces, CTLFLAG_RD, TUNABLE_STR("security.mac.biba.trusted_interfaces", trusted_interfaces, sizeof(trusted_interfaces)); +static int ptys_equal = 0; +SYSCTL_INT(_security_mac_biba, OID_AUTO, ptys_equal, CTLFLAG_RW, + &ptys_equal, 0, "Label pty devices as biba/equal on create"); +TUNABLE_INT("security.mac.biba.ptys_equal", &ptys_equal); + static int mac_biba_revocation_enabled = 0; SYSCTL_INT(_security_mac_biba, OID_AUTO, revocation_enabled, CTLFLAG_RW, &mac_biba_revocation_enabled, 0, "Revoke access to objects on relabel"); @@ -461,6 +466,10 @@ mac_biba_create_devfs_device(dev_t dev, struct devfs_dirent *devfs_dirent, strcmp(dev->si_name, "random") == 0 || strncmp(dev->si_name, "fd/", strlen("fd/")) == 0) biba_type = MAC_BIBA_TYPE_EQUAL; + else if (ptys_equal && + (strncmp(dev->si_name, "ttyp", strlen("ttyp")) == 0 || + strncmp(dev->si_name, "ptyp", strlen("ptyp")) == 0)) + biba_type = MAC_BIBA_TYPE_EQUAL; else biba_type = MAC_BIBA_TYPE_HIGH; mac_biba_set_single(mac_biba, biba_type, 0); |
