/*
- * Copyright (c) 2007 Apple Inc. All rights reserved.
+ * Copyright (c) 2007-2010 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
#include <sys/proc_internal.h>
#include <sys/kauth.h>
#include <sys/imgact.h>
+#include <mach/mach_types.h>
+#include <kern/task.h>
#include <security/mac_internal.h>
+#include <security/mac_mach_internal.h>
#include <bsd/security/audit/audit.h>
mac_labelzone_free(label);
}
+int
+mac_cred_label_compare(struct label *a, struct label *b)
+{
+ return (bcmp(a, b, sizeof (*a)) == 0);
+}
+
int
mac_cred_label_externalize_audit(struct proc *p, struct mac *mac)
{
return (0);
if (IS_64BIT_PROCESS(current_proc())) {
- error = copyin(mac_p, &mac, sizeof(mac));
+ struct user64_mac mac64;
+ error = copyin(mac_p, &mac64, sizeof(mac64));
+ mac.m_buflen = mac64.m_buflen;
+ mac.m_string = mac64.m_string;
} else {
- struct mac mac32;
+ struct user32_mac mac32;
error = copyin(mac_p, &mac32, sizeof(mac32));
mac.m_buflen = mac32.m_buflen;
- mac.m_string = CAST_USER_ADDR_T(mac32.m_string);
+ mac.m_string = mac32.m_string;
}
if (error)
return (error);
* When the subject's label changes, it may require revocation of privilege
* to mapped objects. This can't be done on-the-fly later with a unified
* buffer cache.
+ *
+ * XXX: CRF_MAC_ENFORCE should be in a kauth_cred_t field, rather
+ * XXX: than a posix_cred_t field.
*/
void
mac_cred_label_update(kauth_cred_t cred, struct label *newlabel)
{
+ posix_cred_t pcred = posix_cred_get(cred);
/* force label to be part of "matching" for credential */
- cred->cr_flags |= CRF_MAC_ENFORCE;
+ pcred->cr_flags |= CRF_MAC_ENFORCE;
/* inform the policies of the update */
MAC_PERFORM(cred_label_update, cred, newlabel);
{
int error;
- if (!mac_proc_enforce)
- return (0);
+#if SECURITY_MAC_CHECK_ENFORCE
+ /* 21167099 - only check if we allow write */
+ if (!mac_proc_enforce)
+ return 0;
+#endif
MAC_CHECK(cred_check_label_update, cred, newlabel);
{
int error;
-
-
+#if SECURITY_MAC_CHECK_ENFORCE
+ /* 21167099 - only check if we allow write */
if (!mac_proc_enforce)
- return (0);
-
-
+ return 0;
+#endif
MAC_CHECK(cred_check_visible, u1, u2);
-
return (error);
}
kauth_cred_t cred;
int error;
-
-
- if (!mac_proc_enforce ||
- !mac_proc_check_enforce(curp, MAC_PROC_ENFORCE))
- return (0);
+#if SECURITY_MAC_CHECK_ENFORCE
+ /* 21167099 - only check if we allow write */
+ if (!mac_proc_enforce)
+ return 0;
+#endif
+ if (!mac_proc_check_enforce(curp, MAC_PROC_ENFORCE))
+ return 0;
cred = kauth_cred_proc_ref(curp);
MAC_CHECK(proc_check_debug, cred, proc);
kauth_cred_t cred;
int error;
- if (!mac_proc_enforce ||
- !mac_proc_check_enforce(curp, MAC_PROC_ENFORCE))
- return (0);
+#if SECURITY_MAC_CHECK_ENFORCE
+ /* 21167099 - only check if we allow write */
+ if (!mac_proc_enforce)
+ return 0;
+#endif
+ if (!mac_proc_check_enforce(curp, MAC_PROC_ENFORCE))
+ return 0;
cred = kauth_cred_proc_ref(curp);
MAC_CHECK(proc_check_fork, cred, curp);
return (error);
}
+int
+mac_proc_check_expose_task(struct ucred *cred, struct proc *p)
+{
+ int error;
+
+ MAC_CHECK(proc_check_expose_task, cred, p);
+
+ return (error);
+}
+
+int
+mac_proc_check_inherit_ipc_ports(struct proc *p, struct vnode *cur_vp, off_t cur_offset, struct vnode *img_vp, off_t img_offset, struct vnode *scriptvp)
+{
+ int error;
+
+ MAC_CHECK(proc_check_inherit_ipc_ports, p, cur_vp, cur_offset, img_vp, img_offset, scriptvp);
+
+ return (error);
+}
+
+/*
+ * The type of maxprot in proc_check_map_anon must be equivalent to vm_prot_t
+ * (defined in <mach/vm_prot.h>). mac_policy.h does not include any header
+ * files, so cannot use the typedef itself.
+ */
+int
+mac_proc_check_map_anon(proc_t proc, user_addr_t u_addr,
+ user_size_t u_size, int prot, int flags, int *maxprot)
+{
+ kauth_cred_t cred;
+ int error;
+
+#if SECURITY_MAC_CHECK_ENFORCE
+ /* 21167099 - only check if we allow write */
+ if (!mac_vm_enforce)
+ return 0;
+#endif
+ if (!mac_proc_check_enforce(proc, MAC_VM_ENFORCE))
+ return (0);
+
+ cred = kauth_cred_proc_ref(proc);
+ MAC_CHECK(proc_check_map_anon, proc, cred, u_addr, u_size, prot, flags, maxprot);
+ kauth_cred_unref(&cred);
+
+ return (error);
+}
+
int
mac_proc_check_mprotect(proc_t proc,
user_addr_t addr, user_size_t size, int prot)
kauth_cred_t cred;
int error;
- if (!mac_vm_enforce ||
- !mac_proc_check_enforce(proc, MAC_VM_ENFORCE))
+#if SECURITY_MAC_CHECK_ENFORCE
+ /* 21167099 - only check if we allow write */
+ if (!mac_vm_enforce)
+ return 0;
+#endif
+ if (!mac_proc_check_enforce(proc, MAC_VM_ENFORCE))
return (0);
cred = kauth_cred_proc_ref(proc);
{
int error;
- if (!mac_vm_enforce) return (0);
+#if SECURITY_MAC_CHECK_ENFORCE
+ /* 21167099 - only check if we allow write */
+ if (!mac_vm_enforce)
+ return 0;
+#endif
MAC_CHECK(proc_check_run_cs_invalid, proc);
kauth_cred_t cred;
int error;
-
-
- if (!mac_proc_enforce ||
- !mac_proc_check_enforce(curp, MAC_PROC_ENFORCE))
- return (0);
+#if SECURITY_MAC_CHECK_ENFORCE
+ /* 21167099 - only check if we allow write */
+ if (!mac_proc_enforce)
+ return 0;
+#endif
+ if (!mac_proc_check_enforce(curp, MAC_PROC_ENFORCE))
+ return 0;
cred = kauth_cred_proc_ref(curp);
MAC_CHECK(proc_check_sched, cred, proc);
kauth_cred_t cred;
int error;
-
-
- if (!mac_proc_enforce ||
- !mac_proc_check_enforce(curp, MAC_PROC_ENFORCE))
- return (0);
+#if SECURITY_MAC_CHECK_ENFORCE
+ /* 21167099 - only check if we allow write */
+ if (!mac_proc_enforce)
+ return 0;
+#endif
+ if (!mac_proc_check_enforce(curp, MAC_PROC_ENFORCE))
+ return 0;
cred = kauth_cred_proc_ref(curp);
MAC_CHECK(proc_check_signal, cred, proc, signum);
kauth_cred_t cred;
int error;
-
-
- if (!mac_proc_enforce ||
- !mac_proc_check_enforce(curp, MAC_PROC_ENFORCE))
- return (0);
+#if SECURITY_MAC_CHECK_ENFORCE
+ /* 21167099 - only check if we allow write */
+ if (!mac_proc_enforce)
+ return 0;
+#endif
+ if (!mac_proc_check_enforce(curp, MAC_PROC_ENFORCE))
+ return 0;
cred = kauth_cred_proc_ref(curp);
MAC_CHECK(proc_check_wait, cred, proc);
return (error);
}
-#if CONFIG_LCTX
-/*
- * Login Context
- */
-
int
-mac_proc_check_setlcid (struct proc *p0, struct proc *p,
- pid_t pid, pid_t lcid)
+mac_proc_check_suspend_resume(proc_t curp, int sr)
{
+ kauth_cred_t cred;
int error;
- if (!mac_proc_enforce ||
- !mac_proc_check_enforce(p0, MAC_PROC_ENFORCE))
- return (0);
+#if SECURITY_MAC_CHECK_ENFORCE
+ /* 21167099 - only check if we allow write */
+ if (!mac_proc_enforce)
+ return 0;
+#endif
+ if (!mac_proc_check_enforce(curp, MAC_PROC_ENFORCE))
+ return 0;
+
+ cred = kauth_cred_proc_ref(curp);
+ MAC_CHECK(proc_check_suspend_resume, cred, curp, sr);
+ kauth_cred_unref(&cred);
- MAC_CHECK(proc_check_setlcid, p0, p, pid, lcid);
return (error);
}
int
-mac_proc_check_getlcid (struct proc *p0, struct proc *p, pid_t pid)
+mac_proc_check_ledger(proc_t curp, proc_t proc, int ledger_op)
{
- int error;
-
- if (!mac_proc_enforce ||
- !mac_proc_check_enforce(p0, MAC_PROC_ENFORCE))
- return (0);
-
- MAC_CHECK(proc_check_getlcid, p0, p, pid);
- return (error);
-}
+ kauth_cred_t cred;
+ int error = 0;
-void
-mac_lctx_notify_create (struct proc *p, struct lctx *l)
-{
- MAC_PERFORM(lctx_notify_create, p, l);
-}
+#if SECURITY_MAC_CHECK_ENFORCE
+ /* 21167099 - only check if we allow write */
+ if (!mac_proc_enforce)
+ return 0;
+#endif
+ if (!mac_proc_check_enforce(curp, MAC_PROC_ENFORCE))
+ return 0;
-void
-mac_lctx_notify_join (struct proc *p, struct lctx *l)
-{
- MAC_PERFORM(lctx_notify_join, p, l);
-}
+ cred = kauth_cred_proc_ref(curp);
+ MAC_CHECK(proc_check_ledger, cred, proc, ledger_op);
+ kauth_cred_unref(&cred);
-void
-mac_lctx_notify_leave (struct proc *p, struct lctx *l)
-{
- MAC_PERFORM(lctx_notify_leave, p, l);
+ return (error);
}
-struct label *
-mac_lctx_label_alloc(void)
+int
+mac_proc_check_cpumon(proc_t curp)
{
- struct label *label;
+ kauth_cred_t cred;
+ int error = 0;
- label = mac_labelzone_alloc(MAC_WAITOK);
- if (label == NULL)
- return (NULL);
- MAC_PERFORM(lctx_label_init, label);
- return (label);
-}
+#if SECURITY_MAC_CHECK_ENFORCE
+ /* 21167099 - only check if we allow write */
+ if (!mac_proc_enforce)
+ return 0;
+#endif
+ if (!mac_proc_check_enforce(curp, MAC_PROC_ENFORCE))
+ return 0;
-void
-mac_lctx_label_free(struct label *label)
-{
+ cred = kauth_cred_proc_ref(curp);
+ MAC_CHECK(proc_check_cpumon, cred);
+ kauth_cred_unref(&cred);
- MAC_PERFORM(lctx_label_destroy, label);
- mac_labelzone_free(label);
+ return (error);
}
int
-mac_lctx_label_externalize(struct label *label, char *elements,
- char *outbuf, size_t outbuflen)
+mac_proc_check_proc_info(proc_t curp, proc_t target, int callnum, int flavor)
{
- int error;
+ kauth_cred_t cred;
+ int error = 0;
- error = MAC_EXTERNALIZE(lctx, label, elements, outbuf, outbuflen);
+#if SECURITY_MAC_CHECK_ENFORCE
+ /* 21167099 - only check if we allow write */
+ if (!mac_proc_enforce)
+ return 0;
+#endif
+ if (!mac_proc_check_enforce(curp, MAC_PROC_ENFORCE))
+ return 0;
+
+ cred = kauth_cred_proc_ref(curp);
+ MAC_CHECK(proc_check_proc_info, cred, target, callnum, flavor);
+ kauth_cred_unref(&cred);
return (error);
}
int
-mac_lctx_label_internalize(struct label *label, char *string)
+mac_proc_check_get_cs_info(proc_t curp, proc_t target, unsigned int op)
{
- int error;
-
- error = MAC_INTERNALIZE(lctx, label, string);
+ kauth_cred_t cred;
+ int error = 0;
- return (error);
-}
+#if SECURITY_MAC_CHECK_ENFORCE
+ /* 21167099 - only check if we allow write */
+ if (!mac_proc_enforce)
+ return 0;
+#endif
+ if (!mac_proc_check_enforce(curp, MAC_PROC_ENFORCE))
+ return 0;
-void
-mac_lctx_label_update(struct lctx *l, struct label *newlabel)
-{
+ cred = kauth_cred_proc_ref(curp);
+ MAC_CHECK(proc_check_get_cs_info, cred, target, op);
+ kauth_cred_unref(&cred);
- MAC_PERFORM(lctx_label_update, l, newlabel);
+ return (error);
}
int
-mac_lctx_check_label_update(struct lctx *l, struct label *newlabel)
+mac_proc_check_set_cs_info(proc_t curp, proc_t target, unsigned int op)
{
- int error;
+ kauth_cred_t cred;
+ int error = 0;
- MAC_CHECK(lctx_check_label_update, l, newlabel);
+#if SECURITY_MAC_CHECK_ENFORCE
+ /* 21167099 - only check if we allow write */
+ if (!mac_proc_enforce)
+ return 0;
+#endif
+ if (!mac_proc_check_enforce(curp, MAC_PROC_ENFORCE))
+ return 0;
+
+ cred = kauth_cred_proc_ref(curp);
+ MAC_CHECK(proc_check_set_cs_info, cred, target, op);
+ kauth_cred_unref(&cred);
return (error);
}
-#endif /* LCTX */
-
-void
-mac_thread_userret(int code, int error, struct thread *thread)
-{
-
- if (mac_late)
- MAC_PERFORM(thread_userret, code, error, thread);
-}
projects / apple / xnu.git / blobdiff