diff options
Diffstat (limited to 'sys/security/mac_bsdextended/ugidfw_system.c')
-rw-r--r-- | sys/security/mac_bsdextended/ugidfw_system.c | 685 |
1 files changed, 4 insertions, 681 deletions
diff --git a/sys/security/mac_bsdextended/ugidfw_system.c b/sys/security/mac_bsdextended/ugidfw_system.c index e7997ba..49e4f1d 100644 --- a/sys/security/mac_bsdextended/ugidfw_system.c +++ b/sys/security/mac_bsdextended/ugidfw_system.c @@ -40,13 +40,6 @@ * $FreeBSD$ */ -/* - * Developed by the TrustedBSD Project. - * - * "BSD Extended" MAC policy, allowing the administrator to impose mandatory - * firewall-like rules regarding users and file system objects. - */ - #include <sys/param.h> #include <sys/acl.h> #include <sys/kernel.h> @@ -65,405 +58,9 @@ #include <security/mac/mac_policy.h> #include <security/mac_bsdextended/mac_bsdextended.h> +#include <security/mac_bsdextended/ugidfw_internal.h> -static struct mtx ugidfw_mtx; - -SYSCTL_DECL(_security_mac); - -SYSCTL_NODE(_security_mac, OID_AUTO, bsdextended, CTLFLAG_RW, 0, - "TrustedBSD extended BSD MAC policy controls"); - -static int ugidfw_enabled = 1; -SYSCTL_INT(_security_mac_bsdextended, OID_AUTO, enabled, CTLFLAG_RW, - &ugidfw_enabled, 0, "Enforce extended BSD policy"); -TUNABLE_INT("security.mac.bsdextended.enabled", &ugidfw_enabled); - -MALLOC_DEFINE(M_MACBSDEXTENDED, "mac_bsdextended", "BSD Extended MAC rule"); - -#define MAC_BSDEXTENDED_MAXRULES 250 -static struct mac_bsdextended_rule *rules[MAC_BSDEXTENDED_MAXRULES]; -static int rule_count = 0; -static int rule_slots = 0; -static int rule_version = MB_VERSION; - -SYSCTL_INT(_security_mac_bsdextended, OID_AUTO, rule_count, CTLFLAG_RD, - &rule_count, 0, "Number of defined rules\n"); -SYSCTL_INT(_security_mac_bsdextended, OID_AUTO, rule_slots, CTLFLAG_RD, - &rule_slots, 0, "Number of used rule slots\n"); -SYSCTL_INT(_security_mac_bsdextended, OID_AUTO, rule_version, CTLFLAG_RD, - &rule_version, 0, "Version number for API\n"); - -/* - * This is just used for logging purposes, eventually we would like to log - * much more then failed requests. - */ -static int ugidfw_logging; -SYSCTL_INT(_security_mac_bsdextended, OID_AUTO, logging, CTLFLAG_RW, - &ugidfw_logging, 0, "Log failed authorization requests"); - -/* - * This tunable is here for compatibility. It will allow the user to switch - * between the new mode (first rule matches) and the old functionality (all - * rules match). - */ -static int ugidfw_firstmatch_enabled; -SYSCTL_INT(_security_mac_bsdextended, OID_AUTO, firstmatch_enabled, - CTLFLAG_RW, &ugidfw_firstmatch_enabled, 1, - "Disable/enable match first rule functionality"); - -static int -ugidfw_rule_valid(struct mac_bsdextended_rule *rule) -{ - - if ((rule->mbr_subject.mbs_flags | MBS_ALL_FLAGS) != MBS_ALL_FLAGS) - return (EINVAL); - if ((rule->mbr_subject.mbs_neg | MBS_ALL_FLAGS) != MBS_ALL_FLAGS) - return (EINVAL); - if ((rule->mbr_object.mbo_flags | MBO_ALL_FLAGS) != MBO_ALL_FLAGS) - return (EINVAL); - if ((rule->mbr_object.mbo_neg | MBO_ALL_FLAGS) != MBO_ALL_FLAGS) - return (EINVAL); - if ((rule->mbr_object.mbo_neg | MBO_TYPE_DEFINED) && - (rule->mbr_object.mbo_type | MBO_ALL_TYPE) != MBO_ALL_TYPE) - return (EINVAL); - if ((rule->mbr_mode | MBI_ALLPERM) != MBI_ALLPERM) - return (EINVAL); - return (0); -} - -static int -sysctl_rule(SYSCTL_HANDLER_ARGS) -{ - struct mac_bsdextended_rule temprule, *ruleptr; - u_int namelen; - int error, index, *name; - - error = 0; - name = (int *)arg1; - namelen = arg2; - if (namelen != 1) - return (EINVAL); - index = name[0]; - if (index >= MAC_BSDEXTENDED_MAXRULES) - return (ENOENT); - - ruleptr = NULL; - if (req->newptr && req->newlen != 0) { - error = SYSCTL_IN(req, &temprule, sizeof(temprule)); - if (error) - return (error); - ruleptr = malloc(sizeof(*ruleptr), M_MACBSDEXTENDED, - M_WAITOK | M_ZERO); - } - - mtx_lock(&ugidfw_mtx); - if (req->oldptr) { - if (index < 0 || index > rule_slots + 1) { - error = ENOENT; - goto out; - } - if (rules[index] == NULL) { - error = ENOENT; - goto out; - } - temprule = *rules[index]; - } - if (req->newptr && req->newlen == 0) { - KASSERT(ruleptr == NULL, ("sysctl_rule: ruleptr != NULL")); - ruleptr = rules[index]; - if (ruleptr == NULL) { - error = ENOENT; - goto out; - } - rule_count--; - rules[index] = NULL; - } else if (req->newptr) { - error = ugidfw_rule_valid(&temprule); - if (error) - goto out; - if (rules[index] == NULL) { - *ruleptr = temprule; - rules[index] = ruleptr; - ruleptr = NULL; - if (index + 1 > rule_slots) - rule_slots = index + 1; - rule_count++; - } else - *rules[index] = temprule; - } -out: - mtx_unlock(&ugidfw_mtx); - if (ruleptr != NULL) - free(ruleptr, M_MACBSDEXTENDED); - if (req->oldptr && error == 0) - error = SYSCTL_OUT(req, &temprule, sizeof(temprule)); - return (error); -} - -SYSCTL_NODE(_security_mac_bsdextended, OID_AUTO, rules, CTLFLAG_RW, - sysctl_rule, "BSD extended MAC rules"); - -static void -ugidfw_init(struct mac_policy_conf *mpc) -{ - - mtx_init(&ugidfw_mtx, "mac_bsdextended lock", NULL, MTX_DEF); -} - -static void -ugidfw_destroy(struct mac_policy_conf *mpc) -{ - - mtx_destroy(&ugidfw_mtx); -} - -static int -ugidfw_rulecheck(struct mac_bsdextended_rule *rule, - struct ucred *cred, struct vnode *vp, struct vattr *vap, int acc_mode) -{ - int mac_granted, match, priv_granted; - int i; - - /* - * Is there a subject match? - */ - mtx_assert(&ugidfw_mtx, MA_OWNED); - if (rule->mbr_subject.mbs_flags & MBS_UID_DEFINED) { - match = ((cred->cr_uid <= rule->mbr_subject.mbs_uid_max && - cred->cr_uid >= rule->mbr_subject.mbs_uid_min) || - (cred->cr_ruid <= rule->mbr_subject.mbs_uid_max && - cred->cr_ruid >= rule->mbr_subject.mbs_uid_min) || - (cred->cr_svuid <= rule->mbr_subject.mbs_uid_max && - cred->cr_svuid >= rule->mbr_subject.mbs_uid_min)); - if (rule->mbr_subject.mbs_neg & MBS_UID_DEFINED) - match = !match; - if (!match) - return (0); - } - - if (rule->mbr_subject.mbs_flags & MBS_GID_DEFINED) { - match = ((cred->cr_rgid <= rule->mbr_subject.mbs_gid_max && - cred->cr_rgid >= rule->mbr_subject.mbs_gid_min) || - (cred->cr_svgid <= rule->mbr_subject.mbs_gid_max && - cred->cr_svgid >= rule->mbr_subject.mbs_gid_min)); - if (!match) { - for (i = 0; i < cred->cr_ngroups; i++) { - if (cred->cr_groups[i] - <= rule->mbr_subject.mbs_gid_max && - cred->cr_groups[i] - >= rule->mbr_subject.mbs_gid_min) { - match = 1; - break; - } - } - } - if (rule->mbr_subject.mbs_neg & MBS_GID_DEFINED) - match = !match; - if (!match) - return (0); - } - - if (rule->mbr_subject.mbs_flags & MBS_PRISON_DEFINED) { - match = (cred->cr_prison != NULL && - cred->cr_prison->pr_id == rule->mbr_subject.mbs_prison); - if (rule->mbr_subject.mbs_neg & MBS_PRISON_DEFINED) - match = !match; - if (!match) - return (0); - } - - /* - * Is there an object match? - */ - if (rule->mbr_object.mbo_flags & MBO_UID_DEFINED) { - match = (vap->va_uid <= rule->mbr_object.mbo_uid_max && - vap->va_uid >= rule->mbr_object.mbo_uid_min); - if (rule->mbr_object.mbo_neg & MBO_UID_DEFINED) - match = !match; - if (!match) - return (0); - } - - if (rule->mbr_object.mbo_flags & MBO_GID_DEFINED) { - match = (vap->va_gid <= rule->mbr_object.mbo_gid_max && - vap->va_gid >= rule->mbr_object.mbo_gid_min); - if (rule->mbr_object.mbo_neg & MBO_GID_DEFINED) - match = !match; - if (!match) - return (0); - } - - if (rule->mbr_object.mbo_flags & MBO_FSID_DEFINED) { - match = (bcmp(&(vp->v_mount->mnt_stat.f_fsid), - &(rule->mbr_object.mbo_fsid), - sizeof(rule->mbr_object.mbo_fsid)) == 0); - if (rule->mbr_object.mbo_neg & MBO_FSID_DEFINED) - match = !match; - if (!match) - return (0); - } - - if (rule->mbr_object.mbo_flags & MBO_SUID) { - match = (vap->va_mode & S_ISUID); - if (rule->mbr_object.mbo_neg & MBO_SUID) - match = !match; - if (!match) - return (0); - } - - if (rule->mbr_object.mbo_flags & MBO_SGID) { - match = (vap->va_mode & S_ISGID); - if (rule->mbr_object.mbo_neg & MBO_SGID) - match = !match; - if (!match) - return (0); - } - - if (rule->mbr_object.mbo_flags & MBO_UID_SUBJECT) { - match = (vap->va_uid == cred->cr_uid || - vap->va_uid == cred->cr_ruid || - vap->va_uid == cred->cr_svuid); - if (rule->mbr_object.mbo_neg & MBO_UID_SUBJECT) - match = !match; - if (!match) - return (0); - } - - if (rule->mbr_object.mbo_flags & MBO_GID_SUBJECT) { - match = (groupmember(vap->va_gid, cred) || - vap->va_gid == cred->cr_rgid || - vap->va_gid == cred->cr_svgid); - if (rule->mbr_object.mbo_neg & MBO_GID_SUBJECT) - match = !match; - if (!match) - return (0); - } - - if (rule->mbr_object.mbo_flags & MBO_TYPE_DEFINED) { - switch (vap->va_type) { - case VREG: - match = (rule->mbr_object.mbo_type & MBO_TYPE_REG); - break; - case VDIR: - match = (rule->mbr_object.mbo_type & MBO_TYPE_DIR); - break; - case VBLK: - match = (rule->mbr_object.mbo_type & MBO_TYPE_BLK); - break; - case VCHR: - match = (rule->mbr_object.mbo_type & MBO_TYPE_CHR); - break; - case VLNK: - match = (rule->mbr_object.mbo_type & MBO_TYPE_LNK); - break; - case VSOCK: - match = (rule->mbr_object.mbo_type & MBO_TYPE_SOCK); - break; - case VFIFO: - match = (rule->mbr_object.mbo_type & MBO_TYPE_FIFO); - break; - default: - match = 0; - } - if (rule->mbr_object.mbo_neg & MBO_TYPE_DEFINED) - match = !match; - if (!match) - return (0); - } - - /* - * MBI_APPEND should not be here as it should get converted to - * MBI_WRITE. - */ - priv_granted = 0; - mac_granted = rule->mbr_mode; - if ((acc_mode & MBI_ADMIN) && (mac_granted & MBI_ADMIN) == 0 && - priv_check_cred(cred, PRIV_VFS_ADMIN, 0) == 0) - priv_granted |= MBI_ADMIN; - if ((acc_mode & MBI_EXEC) && (mac_granted & MBI_EXEC) == 0 && - priv_check_cred(cred, (vap->va_type == VDIR) ? PRIV_VFS_LOOKUP : - PRIV_VFS_EXEC, 0) == 0) - priv_granted |= MBI_EXEC; - if ((acc_mode & MBI_READ) && (mac_granted & MBI_READ) == 0 && - priv_check_cred(cred, PRIV_VFS_READ, 0) == 0) - priv_granted |= MBI_READ; - if ((acc_mode & MBI_STAT) && (mac_granted & MBI_STAT) == 0 && - priv_check_cred(cred, PRIV_VFS_STAT, 0) == 0) - priv_granted |= MBI_STAT; - if ((acc_mode & MBI_WRITE) && (mac_granted & MBI_WRITE) == 0 && - priv_check_cred(cred, PRIV_VFS_WRITE, 0) == 0) - priv_granted |= MBI_WRITE; - /* - * Is the access permitted? - */ - if (((mac_granted | priv_granted) & acc_mode) != acc_mode) { - if (ugidfw_logging) - log(LOG_AUTHPRIV, "mac_bsdextended: %d:%d request %d" - " on %d:%d failed. \n", cred->cr_ruid, - cred->cr_rgid, acc_mode, vap->va_uid, - vap->va_gid); - return (EACCES); - } - - /* - * If the rule matched, permits access, and first match is enabled, - * return success. - */ - if (ugidfw_firstmatch_enabled) - return (EJUSTRETURN); - else - return (0); -} - -static int -ugidfw_check(struct ucred *cred, struct vnode *vp, struct vattr *vap, - int acc_mode) -{ - int error, i; - - /* - * Since we do not separately handle append, map append to write. - */ - if (acc_mode & MBI_APPEND) { - acc_mode &= ~MBI_APPEND; - acc_mode |= MBI_WRITE; - } - mtx_lock(&ugidfw_mtx); - for (i = 0; i < rule_slots; i++) { - if (rules[i] == NULL) - continue; - error = ugidfw_rulecheck(rules[i], cred, - vp, vap, acc_mode); - if (error == EJUSTRETURN) - break; - if (error) { - mtx_unlock(&ugidfw_mtx); - return (error); - } - } - mtx_unlock(&ugidfw_mtx); - return (0); -} - -static int -ugidfw_check_vp(struct ucred *cred, struct vnode *vp, int acc_mode) -{ - int error; - struct vattr vap; - - if (!ugidfw_enabled) - return (0); - error = VOP_GETATTR(vp, &vap, cred); - if (error) - return (error); - return (ugidfw_check(cred, vp, &vap, acc_mode)); -} - -/* - * Object-specific entry point implementations are sorted alphabetically by - * object type and then by operation. - */ -static int +int ugidfw_system_check_acct(struct ucred *cred, struct vnode *vp, struct label *vplabel) { @@ -474,7 +71,7 @@ ugidfw_system_check_acct(struct ucred *cred, struct vnode *vp, return (0); } -static int +int ugidfw_system_check_auditctl(struct ucred *cred, struct vnode *vp, struct label *vplabel) { @@ -485,284 +82,10 @@ ugidfw_system_check_auditctl(struct ucred *cred, struct vnode *vp, return (0); } -static int +int ugidfw_system_check_swapon(struct ucred *cred, struct vnode *vp, struct label *vplabel) { return (ugidfw_check_vp(cred, vp, MBI_WRITE)); } - -static int -ugidfw_vnode_check_access(struct ucred *cred, struct vnode *vp, - struct label *vplabel, int acc_mode) -{ - - return (ugidfw_check_vp(cred, vp, acc_mode)); -} - -static int -ugidfw_vnode_check_chdir(struct ucred *cred, struct vnode *dvp, - struct label *dvplabel) -{ - - return (ugidfw_check_vp(cred, dvp, MBI_EXEC)); -} - -static int -ugidfw_vnode_check_chroot(struct ucred *cred, struct vnode *dvp, - struct label *dvplabel) -{ - - return (ugidfw_check_vp(cred, dvp, MBI_EXEC)); -} - -static int -ugidfw_check_create_vnode(struct ucred *cred, struct vnode *dvp, - struct label *dvplabel, struct componentname *cnp, struct vattr *vap) -{ - - return (ugidfw_check_vp(cred, dvp, MBI_WRITE)); -} - -static int -ugidfw_vnode_check_deleteacl(struct ucred *cred, struct vnode *vp, - struct label *vplabel, acl_type_t type) -{ - - return (ugidfw_check_vp(cred, vp, MBI_ADMIN)); -} - -static int -ugidfw_vnode_check_deleteextattr(struct ucred *cred, struct vnode *vp, - struct label *vplabel, int attrnamespace, const char *name) -{ - - return (ugidfw_check_vp(cred, vp, MBI_WRITE)); -} - -static int -ugidfw_vnode_check_exec(struct ucred *cred, struct vnode *vp, - struct label *vplabel, struct image_params *imgp, - struct label *execlabel) -{ - - return (ugidfw_check_vp(cred, vp, MBI_READ|MBI_EXEC)); -} - -static int -ugidfw_vnode_check_getacl(struct ucred *cred, struct vnode *vp, - struct label *vplabel, acl_type_t type) -{ - - return (ugidfw_check_vp(cred, vp, MBI_STAT)); -} - -static int -ugidfw_vnode_check_getextattr(struct ucred *cred, struct vnode *vp, - struct label *vplabel, int attrnamespace, const char *name, - struct uio *uio) -{ - - return (ugidfw_check_vp(cred, vp, MBI_READ)); -} - -static int -ugidfw_vnode_check_link(struct ucred *cred, struct vnode *dvp, - struct label *dvplabel, struct vnode *vp, struct label *label, - struct componentname *cnp) -{ - int error; - - error = ugidfw_check_vp(cred, dvp, MBI_WRITE); - if (error) - return (error); - error = ugidfw_check_vp(cred, vp, MBI_WRITE); - if (error) - return (error); - return (0); -} - -static int -ugidfw_vnode_check_listextattr(struct ucred *cred, struct vnode *vp, - struct label *vplabel, int attrnamespace) -{ - - return (ugidfw_check_vp(cred, vp, MBI_READ)); -} - -static int -ugidfw_vnode_check_lookup(struct ucred *cred, struct vnode *dvp, - struct label *dvplabel, struct componentname *cnp) -{ - - return (ugidfw_check_vp(cred, dvp, MBI_EXEC)); -} - -static int -ugidfw_vnode_check_open(struct ucred *cred, struct vnode *vp, - struct label *vplabel, int acc_mode) -{ - - return (ugidfw_check_vp(cred, vp, acc_mode)); -} - -static int -ugidfw_vnode_check_readdir(struct ucred *cred, struct vnode *dvp, - struct label *dvplabel) -{ - - return (ugidfw_check_vp(cred, dvp, MBI_READ)); -} - -static int -ugidfw_vnode_check_readdlink(struct ucred *cred, struct vnode *vp, - struct label *vplabel) -{ - - return (ugidfw_check_vp(cred, vp, MBI_READ)); -} - -static int -ugidfw_vnode_check_rename_from(struct ucred *cred, struct vnode *dvp, - struct label *dvplabel, struct vnode *vp, struct label *vplabel, - struct componentname *cnp) -{ - int error; - - error = ugidfw_check_vp(cred, dvp, MBI_WRITE); - if (error) - return (error); - return (ugidfw_check_vp(cred, vp, MBI_WRITE)); -} - -static int -ugidfw_vnode_check_rename_to(struct ucred *cred, struct vnode *dvp, - struct label *dvplabel, struct vnode *vp, struct label *vplabel, - int samedir, struct componentname *cnp) -{ - int error; - - error = ugidfw_check_vp(cred, dvp, MBI_WRITE); - if (error) - return (error); - if (vp != NULL) - error = ugidfw_check_vp(cred, vp, MBI_WRITE); - return (error); -} - -static int -ugidfw_vnode_check_revoke(struct ucred *cred, struct vnode *vp, - struct label *vplabel) -{ - - return (ugidfw_check_vp(cred, vp, MBI_ADMIN)); -} - -static int -ugidfw_check_setacl_vnode(struct ucred *cred, struct vnode *vp, - struct label *vplabel, acl_type_t type, struct acl *acl) -{ - - return (ugidfw_check_vp(cred, vp, MBI_ADMIN)); -} - -static int -ugidfw_vnode_check_setextattr(struct ucred *cred, struct vnode *vp, - struct label *vplabel, int attrnamespace, const char *name, - struct uio *uio) -{ - - return (ugidfw_check_vp(cred, vp, MBI_WRITE)); -} - -static int -ugidfw_vnode_check_setflags(struct ucred *cred, struct vnode *vp, - struct label *vplabel, u_long flags) -{ - - return (ugidfw_check_vp(cred, vp, MBI_ADMIN)); -} - -static int -ugidfw_vnode_check_setmode(struct ucred *cred, struct vnode *vp, - struct label *vplabel, mode_t mode) -{ - - return (ugidfw_check_vp(cred, vp, MBI_ADMIN)); -} - -static int -ugidfw_vnode_check_setowner(struct ucred *cred, struct vnode *vp, - struct label *vplabel, uid_t uid, gid_t gid) -{ - - return (ugidfw_check_vp(cred, vp, MBI_ADMIN)); -} - -static int -ugidfw_vnode_check_setutimes(struct ucred *cred, struct vnode *vp, - struct label *vplabel, struct timespec atime, struct timespec utime) -{ - - return (ugidfw_check_vp(cred, vp, MBI_ADMIN)); -} - -static int -ugidfw_vnode_check_stat(struct ucred *active_cred, - struct ucred *file_cred, struct vnode *vp, struct label *vplabel) -{ - - return (ugidfw_check_vp(active_cred, vp, MBI_STAT)); -} - -static int -ugidfw_vnode_check_unlink(struct ucred *cred, struct vnode *dvp, - struct label *dvplabel, struct vnode *vp, struct label *vplabel, - struct componentname *cnp) -{ - int error; - - error = ugidfw_check_vp(cred, dvp, MBI_WRITE); - if (error) - return (error); - return (ugidfw_check_vp(cred, vp, MBI_WRITE)); -} - -static struct mac_policy_ops ugidfw_ops = -{ - .mpo_destroy = ugidfw_destroy, - .mpo_init = ugidfw_init, - .mpo_system_check_acct = ugidfw_system_check_acct, - .mpo_system_check_auditctl = ugidfw_system_check_auditctl, - .mpo_system_check_swapon = ugidfw_system_check_swapon, - .mpo_vnode_check_access = ugidfw_vnode_check_access, - .mpo_vnode_check_chdir = ugidfw_vnode_check_chdir, - .mpo_vnode_check_chroot = ugidfw_vnode_check_chroot, - .mpo_vnode_check_create = ugidfw_check_create_vnode, - .mpo_vnode_check_deleteacl = ugidfw_vnode_check_deleteacl, - .mpo_vnode_check_deleteextattr = ugidfw_vnode_check_deleteextattr, - .mpo_vnode_check_exec = ugidfw_vnode_check_exec, - .mpo_vnode_check_getacl = ugidfw_vnode_check_getacl, - .mpo_vnode_check_getextattr = ugidfw_vnode_check_getextattr, - .mpo_vnode_check_link = ugidfw_vnode_check_link, - .mpo_vnode_check_listextattr = ugidfw_vnode_check_listextattr, - .mpo_vnode_check_lookup = ugidfw_vnode_check_lookup, - .mpo_vnode_check_open = ugidfw_vnode_check_open, - .mpo_vnode_check_readdir = ugidfw_vnode_check_readdir, - .mpo_vnode_check_readlink = ugidfw_vnode_check_readdlink, - .mpo_vnode_check_rename_from = ugidfw_vnode_check_rename_from, - .mpo_vnode_check_rename_to = ugidfw_vnode_check_rename_to, - .mpo_vnode_check_revoke = ugidfw_vnode_check_revoke, - .mpo_vnode_check_setacl = ugidfw_check_setacl_vnode, - .mpo_vnode_check_setextattr = ugidfw_vnode_check_setextattr, - .mpo_vnode_check_setflags = ugidfw_vnode_check_setflags, - .mpo_vnode_check_setmode = ugidfw_vnode_check_setmode, - .mpo_vnode_check_setowner = ugidfw_vnode_check_setowner, - .mpo_vnode_check_setutimes = ugidfw_vnode_check_setutimes, - .mpo_vnode_check_stat = ugidfw_vnode_check_stat, - .mpo_vnode_check_unlink = ugidfw_vnode_check_unlink, -}; - -MAC_POLICY_SET(&ugidfw_ops, mac_bsdextended, "TrustedBSD MAC/BSD Extended", - MPC_LOADTIME_FLAG_UNLOADOK, NULL, 0); |