/*
- * Copyright (c) 2000-2015 Apple Inc. All rights reserved.
+ * Copyright (c) 2000-2019 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
- *
+ *
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
* unlawful or unlicensed copies of an Apple operating system, or to
* circumvent, violate, or enable the circumvention or violation of, any
* terms of an Apple operating system software license agreement.
- *
+ *
* Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this file.
- *
+ *
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
* Please see the License for the specific language governing rights and
* limitations under the License.
- *
+ *
* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
- *
+ *
*
* Copyright (c) 1982, 1986, 1989, 1991, 1992, 1993
* The Regents of the University of California. All rights reserved.
* @(#)init_main.c 8.16 (Berkeley) 5/14/95
*/
-/*
+/*
*
* Mach Operating System
* Copyright (c) 1987 Carnegie-Mellon University
#include <kern/task.h>
#include <kern/ast.h>
#include <kern/kalloc.h>
-#include <mach/mach_host.h>
+#include <kern/ux_handler.h> /* for ux_handler_setup() */
#include <mach/vm_param.h>
#include <vm/vm_map.h>
#include <vm/vm_kern.h>
-#include <sys/ux_exception.h> /* for ux_exception_port */
-
#include <sys/reboot.h>
-#include <mach/exception_types.h>
-#include <dev/busvar.h> /* for pseudo_inits */
+#include <dev/busvar.h> /* for pseudo_inits */
#include <sys/kdebug.h>
#include <sys/monotonic.h>
#include <sys/reason.h>
#include <mach/sync_policy.h>
#include <kern/clock.h>
#include <mach/kern_return.h>
-#include <mach/thread_act.h> /* for thread_resume() */
-#include <mach/task.h> /* for task_set_exception_ports() */
-#include <sys/ux_exception.h> /* for ux_handler() */
-#include <sys/ubc_internal.h> /* for ubc_init() */
-#include <sys/mcache.h> /* for mcache_init() */
-#include <sys/mbuf.h> /* for mbinit() */
-#include <sys/event.h> /* for knote_init() */
-#include <sys/eventhandler.h> /* for eventhandler_init() */
-#include <sys/kern_memorystatus.h> /* for memorystatus_init() */
-#include <sys/aio_kern.h> /* for aio_init() */
-#include <sys/semaphore.h> /* for psem_cache_init() */
-#include <net/dlil.h> /* for dlil_init() */
-#include <net/kpi_protocol.h> /* for proto_kpi_init() */
-#include <net/iptap.h> /* for iptap_init() */
-#include <sys/pipe.h> /* for pipeinit() */
-#include <sys/socketvar.h> /* for socketinit() */
-#include <sys/protosw.h> /* for domaininit() */
-#include <kern/sched_prim.h> /* for thread_wakeup() */
-#include <net/if_ether.h> /* for ether_family_init() */
-#include <net/if_gif.h> /* for gif_init() */
-#include <vm/vm_protos.h> /* for vnode_pager_bootstrap() */
-#include <miscfs/devfs/devfsdefs.h> /* for devfs_kernel_mount() */
-#include <mach/host_priv.h> /* for host_set_exception_ports() */
-#include <kern/host.h> /* for host_priv_self() */
-#include <vm/vm_kern.h> /* for kmem_suballoc() */
-#include <sys/semaphore.h> /* for psem_lock_init() */
-#include <sys/msgbuf.h> /* for log_setsize() */
-#include <sys/tty.h> /* for tty_init() */
-#include <sys/proc_uuid_policy.h> /* proc_uuid_policy_init() */
-#include <netinet/flow_divert.h> /* flow_divert_init() */
-#include <net/content_filter.h> /* for cfil_init() */
-#include <net/necp.h> /* for necp_init() */
-#include <net/network_agent.h> /* for netagent_init() */
-#include <net/packet_mangler.h> /* for pkt_mnglr_init() */
-#include <net/if_utun.h> /* for utun_register_control() */
-#include <net/if_ipsec.h> /* for ipsec_register_control() */
-#include <net/net_str_id.h> /* for net_str_id_init() */
-#include <net/netsrc.h> /* for netsrc_init() */
-#include <net/ntstat.h> /* for nstat_init() */
-#include <netinet/tcp_cc.h> /* for tcp_cc_init() */
-#include <netinet/mptcp_var.h> /* for mptcp_control_register() */
-#include <net/nwk_wq.h> /* for nwk_wq_init */
-#include <kern/assert.h> /* for assert() */
-#include <sys/kern_overrides.h> /* for init_system_override() */
+#include <mach/thread_act.h> /* for thread_resume() */
+#include <sys/ubc_internal.h> /* for ubc_init() */
+#include <sys/mcache.h> /* for mcache_init() */
+#include <sys/mbuf.h> /* for mbinit() */
+#include <sys/event.h> /* for knote_init() */
+#include <sys/eventhandler.h> /* for eventhandler_init() */
+#include <sys/kern_memorystatus.h> /* for memorystatus_init() */
+#include <sys/kern_memorystatus_freeze.h> /* for memorystatus_freeze_init() */
+#include <sys/aio_kern.h> /* for aio_init() */
+#include <sys/semaphore.h> /* for psem_cache_init() */
+#include <net/dlil.h> /* for dlil_init() */
+#include <net/kpi_protocol.h> /* for proto_kpi_init() */
+#include <net/iptap.h> /* for iptap_init() */
+#include <sys/pipe.h> /* for pipeinit() */
+#include <sys/socketvar.h> /* for socketinit() */
+#include <sys/protosw.h> /* for domaininit() */
+#include <kern/sched_prim.h> /* for thread_wakeup() */
+#include <net/if_ether.h> /* for ether_family_init() */
+#include <net/if_gif.h> /* for gif_init() */
+#include <vm/vm_protos.h> /* for vnode_pager_bootstrap() */
+#include <miscfs/devfs/devfsdefs.h> /* for devfs_kernel_mount() */
+#include <vm/vm_kern.h> /* for kmem_suballoc() */
+#include <sys/semaphore.h> /* for psem_lock_init() */
+#include <sys/msgbuf.h> /* for log_setsize() */
+#include <sys/tty.h> /* for tty_init() */
+#include <sys/proc_uuid_policy.h> /* proc_uuid_policy_init() */
+#include <netinet/flow_divert.h> /* flow_divert_init() */
+#include <net/content_filter.h> /* for cfil_init() */
+#include <net/necp.h> /* for necp_init() */
+#include <net/network_agent.h> /* for netagent_init() */
+#include <net/packet_mangler.h> /* for pkt_mnglr_init() */
+#include <net/if_utun.h> /* for utun_register_control() */
+#include <net/if_ipsec.h> /* for ipsec_register_control() */
+#include <net/net_str_id.h> /* for net_str_id_init() */
+#include <net/netsrc.h> /* for netsrc_init() */
+#include <net/ntstat.h> /* for nstat_init() */
+#include <netinet/tcp_cc.h> /* for tcp_cc_init() */
+#include <netinet/mptcp_var.h> /* for mptcp_control_register() */
+#include <net/nwk_wq.h> /* for nwk_wq_init */
+#include <net/restricted_in_port.h> /* for restricted_in_port_init() */
+#include <kern/assert.h> /* for assert() */
+#include <sys/kern_overrides.h> /* for init_system_override() */
+#include <sys/lockf.h> /* for lf_init() */
#include <net/init.h>
#if CONFIG_MACF
#include <security/mac_framework.h>
-#include <security/mac_internal.h> /* mac_init_bsd() */
-#include <security/mac_mach_internal.h> /* mac_update_task_label() */
+#include <security/mac_internal.h> /* mac_init_bsd() */
+#include <security/mac_mach_internal.h> /* mac_update_task_label() */
#endif
#include <machine/exec.h>
-#if NFSCLIENT
+#if CONFIG_NETBOOT
#include <sys/netboot.h>
#endif
#include <machine/pal_routines.h>
#include <console/video_console.h>
+#if CONFIG_XNUPOST
+#include <tests/xnupost.h>
+#endif
-void * get_user_regs(thread_t); /* XXX kludge for <machine/thread.h> */
-void IOKitInitializeTime(void); /* XXX */
-void IOSleep(unsigned int); /* XXX */
-void loopattach(void); /* XXX */
+void * get_user_regs(thread_t); /* XXX kludge for <machine/thread.h> */
+void IOKitInitializeTime(void); /* XXX */
+void IOSleep(unsigned int); /* XXX */
+void loopattach(void); /* XXX */
const char copyright[] =
-"Copyright (c) 1982, 1986, 1989, 1991, 1993\n\t"
-"The Regents of the University of California. "
-"All rights reserved.\n\n";
+ "Copyright (c) 1982, 1986, 1989, 1991, 1993\n\t"
+ "The Regents of the University of California. "
+ "All rights reserved.\n\n";
/* Components of the first process -- never freed. */
-struct proc proc0;
-struct session session0;
-struct pgrp pgrp0;
-struct filedesc filedesc0;
-struct plimit limit0;
-struct pstats pstats0;
-struct sigacts sigacts0;
+struct proc proc0;
+struct session session0;
+struct pgrp pgrp0;
+struct filedesc filedesc0;
+struct plimit limit0;
+struct pstats pstats0;
+struct sigacts sigacts0;
proc_t kernproc;
proc_t initproc;
void *swapmap;
struct swdevt swdevt[1];
-dev_t rootdev; /* device of the root */
-dev_t dumpdev; /* device to take dumps on */
-long dumplo; /* offset into dumpdev */
-long hostid;
-char hostname[MAXHOSTNAMELEN];
-int hostnamelen;
-char domainname[MAXDOMNAMELEN];
-int domainnamelen;
+dev_t rootdev; /* device of the root */
+dev_t dumpdev; /* device to take dumps on */
+long dumplo; /* offset into dumpdev */
+long hostid;
+char hostname[MAXHOSTNAMELEN];
+lck_mtx_t hostname_lock;
+lck_grp_t *hostname_lck_grp;
+char domainname[MAXDOMNAMELEN];
+lck_mtx_t domainname_lock;
char rootdevice[DEVMAXNAMESIZE];
#if KMEMSTATS
-struct kmemstats kmemstats[M_LAST];
+struct kmemstats kmemstats[M_LAST];
#endif
-struct vnode *rootvp;
-int boothowto = RB_DEBUG;
+struct vnode *rootvp;
+int boothowto;
int minimalboot = 0;
#if CONFIG_EMBEDDED
int darkboot = 0;
#endif
+#if __arm64__
+int legacy_footprint_entitlement_mode = LEGACY_FOOTPRINT_ENTITLEMENT_IGNORE;
+#endif /* __arm64__ */
+
#if PROC_REF_DEBUG
__private_extern__ int proc_ref_tracking_disabled = 0; /* disable panics on leaked proc refs across syscall boundary */
#endif
extern void throttle_init(void);
extern void acct_init(void);
+#if CONFIG_LOCKERBOOT
+#define LOCKER_PROTOBOOT_MOUNT "/protoboot"
+
+const char kernel_protoboot_mount[] = LOCKER_PROTOBOOT_MOUNT;
+extern int mount_locker_protoboot(const char *fsname, const char *mntpoint,
+ const char *pbdevpath);
+#endif
+
extern int serverperfmode;
extern int ncl;
+#if DEVELOPMENT || DEBUG
+extern int syscallfilter_disable;
+#endif // DEVELOPMENT || DEBUG
-vm_map_t bsd_pageable_map;
-vm_map_t mb_map;
+vm_map_t bsd_pageable_map;
+vm_map_t mb_map;
static int bsd_simul_execs;
static int bsd_pageable_map_size;
void bsd_exec_setup(int);
-#if __arm64__
-__private_extern__ int bootarg_no64exec = 0;
-#endif
+__private_extern__ int bootarg_execfailurereports = 0;
+
#if __x86_64__
-__private_extern__ int bootarg_no32exec = 0;
+__private_extern__ int bootarg_no32exec = 1;
#endif
__private_extern__ int bootarg_vnode_cache_defeat = 0;
__private_extern__ int bootarg_no_vnode_jetsam = 0;
#endif /* CONFIG_JETSAM && (DEVELOPMENT || DEBUG) */
+__private_extern__ int bootarg_no_vnode_drain = 0;
+
/*
* Prevent kernel-based ASLR from being used, for testing.
*/
#if DEVELOPMENT || DEBUG
char dyld_alt_path[MAXPATHLEN];
int use_alt_dyld = 0;
+extern uint64_t dyld_flags;
#endif
-int cmask = CMASK;
+int cmask = CMASK;
extern int customnbuf;
kern_return_t bsd_autoconf(void);
extern int check_policy_init(int);
#endif
-#endif /* CONFIG_MACF */
+#endif /* CONFIG_MACF */
/* If we are using CONFIG_DTRACE */
#if CONFIG_DTRACE
- extern void dtrace_postinit(void);
+extern void dtrace_postinit(void);
#endif
/*
static void
process_name(const char *s, proc_t p)
{
- strlcpy(p->p_comm, s, sizeof(p->p_comm));
- strlcpy(p->p_name, s, sizeof(p->p_name));
+ strlcpy(p->p_comm, s, sizeof(p->p_comm));
+ strlcpy(p->p_name, s, sizeof(p->p_name));
}
/* To allow these values to be patched, they're globals here */
#include <machine/vmparam.h>
-struct rlimit vm_initial_limit_stack = { DFLSSIZ, MAXSSIZ - PAGE_MAX_SIZE };
-struct rlimit vm_initial_limit_data = { DFLDSIZ, MAXDSIZ };
-struct rlimit vm_initial_limit_core = { DFLCSIZ, MAXCSIZ };
+struct rlimit vm_initial_limit_stack = { .rlim_cur = DFLSSIZ, .rlim_max = MAXSSIZ - PAGE_MAX_SIZE };
+struct rlimit vm_initial_limit_data = { .rlim_cur = DFLDSIZ, .rlim_max = MAXDSIZ };
+struct rlimit vm_initial_limit_core = { .rlim_cur = DFLCSIZ, .rlim_max = MAXCSIZ };
-extern thread_t cloneproc(task_t, coalition_t, proc_t, int, int);
-extern int (*mountroot)(void);
+extern thread_t cloneproc(task_t, coalition_t, proc_t, int, int);
+extern int (*mountroot)(void);
lck_grp_t * proc_lck_grp;
lck_grp_t * proc_slock_grp;
lck_grp_t * proc_knhashlock_grp;
lck_grp_t * proc_ucred_mlock_grp;
lck_grp_t * proc_mlock_grp;
+lck_grp_t * proc_dirslock_grp;
lck_grp_attr_t * proc_lck_grp_attr;
lck_attr_t * proc_lck_attr;
lck_mtx_t * proc_list_mlock;
lck_mtx_t * proc_klist_mlock;
+#if CONFIG_XNUPOST
+lck_grp_t * sysctl_debug_test_stackshot_owner_grp;
+lck_mtx_t * sysctl_debug_test_stackshot_owner_init_mtx;
+#endif /* !CONFIG_XNUPOST */
extern lck_mtx_t * execargs_cache_lock;
struct uthread *ut;
unsigned int i;
struct vfs_context context;
- kern_return_t ret;
+ kern_return_t ret;
struct ucred temp_cred;
struct posix_cred temp_pcred;
-#if NFSCLIENT || CONFIG_IMAGEBOOT
+#if CONFIG_NETBOOT || CONFIG_IMAGEBOOT
boolean_t netboot = FALSE;
#endif
+#if CONFIG_LOCKERBOOT
+ vnode_t pbvn = NULLVP;
+ mount_t pbmnt = NULL;
+ char *pbdevp = NULL;
+ char pbdevpath[64];
+ char pbfsname[MFSNAMELEN];
+ char *slash_dev = NULL;
+#endif
-#define bsd_init_kprintf(x...) /* kprintf("bsd_init: " x) */
+#define DEBUG_BSDINIT 0
+
+#if DEBUG_BSDINIT
+#define bsd_init_kprintf(x, ...) kprintf("bsd_init: " x, ## __VA_ARGS__)
+#else
+#define bsd_init_kprintf(x, ...)
+#endif
throttle_init();
printf(copyright);
-
+
bsd_init_kprintf("calling kmeminit\n");
kmeminit();
-
+
bsd_init_kprintf("calling parse_bsd_args\n");
parse_bsd_args();
/* Initialize the ttys (MUST be before kminit()/bsd_autoconf()!)*/
tty_init();
- kernproc = &proc0; /* implicitly bzero'ed */
+ kernproc = &proc0; /* implicitly bzero'ed */
/* kernel_task->proc = kernproc; */
- set_bsdtask_info(kernel_task,(void *)kernproc);
+ set_bsdtask_info(kernel_task, (void *)kernproc);
/* give kernproc a name */
bsd_init_kprintf("calling process_name\n");
/* allocate proc lock group attribute and group */
bsd_init_kprintf("calling lck_grp_attr_alloc_init\n");
- proc_lck_grp_attr= lck_grp_attr_alloc_init();
-
- proc_lck_grp = lck_grp_alloc_init("proc", proc_lck_grp_attr);
-
-#if CONFIG_FINE_LOCK_GROUPS
- proc_slock_grp = lck_grp_alloc_init("proc-slock", proc_lck_grp_attr);
- proc_ucred_mlock_grp = lck_grp_alloc_init("proc-ucred-mlock", proc_lck_grp_attr);
- proc_mlock_grp = lck_grp_alloc_init("proc-mlock", proc_lck_grp_attr);
- proc_fdmlock_grp = lck_grp_alloc_init("proc-fdmlock", proc_lck_grp_attr);
-#endif
- proc_kqhashlock_grp = lck_grp_alloc_init("proc-kqhashlock", proc_lck_grp_attr);
- proc_knhashlock_grp = lck_grp_alloc_init("proc-knhashlock", proc_lck_grp_attr);
+ proc_lck_grp_attr = lck_grp_attr_alloc_init();
+
+ proc_lck_grp = lck_grp_alloc_init("proc", proc_lck_grp_attr);
+
+ proc_slock_grp = lck_grp_alloc_init("proc-slock", proc_lck_grp_attr);
+ proc_ucred_mlock_grp = lck_grp_alloc_init("proc-ucred-mlock", proc_lck_grp_attr);
+ proc_mlock_grp = lck_grp_alloc_init("proc-mlock", proc_lck_grp_attr);
+ proc_fdmlock_grp = lck_grp_alloc_init("proc-fdmlock", proc_lck_grp_attr);
+ proc_kqhashlock_grp = lck_grp_alloc_init("proc-kqhashlock", proc_lck_grp_attr);
+ proc_knhashlock_grp = lck_grp_alloc_init("proc-knhashlock", proc_lck_grp_attr);
+ proc_dirslock_grp = lck_grp_alloc_init("proc-dirslock", proc_lck_grp_attr);
+#if CONFIG_XNUPOST
+ sysctl_debug_test_stackshot_owner_grp = lck_grp_alloc_init("test-stackshot-owner-grp", LCK_GRP_ATTR_NULL);
+ sysctl_debug_test_stackshot_owner_init_mtx = lck_mtx_alloc_init(
+ sysctl_debug_test_stackshot_owner_grp,
+ LCK_ATTR_NULL);
+#endif /* !CONFIG_XNUPOST */
/* Allocate proc lock attribute */
proc_lck_attr = lck_attr_alloc_init();
-#if 0
-#if __PROC_INTERNAL_DEBUG
- lck_attr_setdebug(proc_lck_attr);
-#endif
-#endif
-#if CONFIG_FINE_LOCK_GROUPS
proc_list_mlock = lck_mtx_alloc_init(proc_mlock_grp, proc_lck_attr);
proc_klist_mlock = lck_mtx_alloc_init(proc_mlock_grp, proc_lck_attr);
lck_mtx_init(&kernproc->p_mlock, proc_mlock_grp, proc_lck_attr);
lck_mtx_init(&kernproc->p_fdmlock, proc_fdmlock_grp, proc_lck_attr);
lck_mtx_init(&kernproc->p_ucred_mlock, proc_ucred_mlock_grp, proc_lck_attr);
lck_spin_init(&kernproc->p_slock, proc_slock_grp, proc_lck_attr);
-#else
- proc_list_mlock = lck_mtx_alloc_init(proc_lck_grp, proc_lck_attr);
- proc_klist_mlock = lck_mtx_alloc_init(proc_lck_grp, proc_lck_attr);
- lck_mtx_init(&kernproc->p_mlock, proc_lck_grp, proc_lck_attr);
- lck_mtx_init(&kernproc->p_fdmlock, proc_lck_grp, proc_lck_attr);
- lck_mtx_init(&kernproc->p_ucred_mlock, proc_lck_grp, proc_lck_attr);
- lck_spin_init(&kernproc->p_slock, proc_lck_grp, proc_lck_attr);
-#endif
+ lck_rw_init(&kernproc->p_dirs_lock, proc_dirslock_grp, proc_lck_attr);
assert(bsd_simul_execs != 0);
execargs_cache_lock = lck_mtx_alloc_init(proc_lck_grp, proc_lck_attr);
execargs_free_count = bsd_simul_execs;
execargs_cache = (vm_offset_t *)kalloc(bsd_simul_execs * sizeof(vm_offset_t));
bzero(execargs_cache, bsd_simul_execs * sizeof(vm_offset_t));
-
- if (current_task() != kernel_task)
+
+ if (current_task() != kernel_task) {
printf("bsd_init: We have a problem, "
- "current task is not kernel task\n");
-
+ "current task is not kernel task\n");
+ }
+
bsd_init_kprintf("calling get_bsdthread_info\n");
ut = (uthread_t)get_bsdthread_info(current_thread());
#endif
#endif /* MAC */
- /* Initialize System Override call */
- init_system_override();
-
ulock_initialize();
+ hostname_lck_grp = lck_grp_alloc_init("hostname", LCK_GRP_ATTR_NULL);
+ lck_mtx_init(&hostname_lock, hostname_lck_grp, LCK_ATTR_NULL);
+ lck_mtx_init(&domainname_lock, hostname_lck_grp, LCK_ATTR_NULL);
+
/*
* Create process 0.
*/
kernproc->p_pgrp = &pgrp0;
LIST_INSERT_HEAD(PGRPHASH(0), &pgrp0, pg_hash);
LIST_INIT(&pgrp0.pg_members);
-#ifdef CONFIG_FINE_LOCK_GROUPS
lck_mtx_init(&pgrp0.pg_mlock, proc_mlock_grp, proc_lck_attr);
-#else
- lck_mtx_init(&pgrp0.pg_mlock, proc_lck_grp, proc_lck_attr);
-#endif
/* There is no other bsd thread this point and is safe without pgrp lock */
LIST_INSERT_HEAD(&pgrp0.pg_members, kernproc, p_pglist);
kernproc->p_listflag |= P_LIST_INPGRP;
session0.s_count = 1;
session0.s_leader = kernproc;
session0.s_listflags = 0;
-#ifdef CONFIG_FINE_LOCK_GROUPS
lck_mtx_init(&session0.s_mlock, proc_mlock_grp, proc_lck_attr);
-#else
- lck_mtx_init(&session0.s_mlock, proc_lck_grp, proc_lck_attr);
-#endif
LIST_INSERT_HEAD(SESSHASH(0), &session0, s_hash);
proc_list_unlock();
#endif
kernproc->task = kernel_task;
-
+
kernproc->p_stat = SRUN;
kernproc->p_flag = P_SYSTEM;
kernproc->p_lflag = 0;
#endif
#if DEVELOPMENT || DEBUG
- if (bootarg_disable_aslr)
+ if (bootarg_disable_aslr) {
kernproc->p_flag |= P_DISABLE_ASLR;
+ }
#endif
kernproc->p_nice = NZERO;
TAILQ_INIT(&kernproc->p_uthlist);
TAILQ_INSERT_TAIL(&kernproc->p_uthlist, ut, uu_list);
-
+
kernproc->sigwait = FALSE;
kernproc->sigwait_thread = THREAD_NULL;
kernproc->exit_thread = THREAD_NULL;
/* kern_proc, shouldn't call up to DS for group membership */
temp_pcred.cr_flags = CRF_NOMEMBERD;
temp_cred.cr_audit.as_aia_p = audit_default_aia_p;
-
+
bsd_init_kprintf("calling kauth_cred_create\n");
/*
* We have to label the temp cred before we create from it to
* properly set cr_ngroups, or the create will fail.
*/
posix_cred_label(&temp_cred, &temp_pcred);
- kernproc->p_ucred = kauth_cred_create(&temp_cred);
+ kernproc->p_ucred = kauth_cred_create(&temp_cred);
/* update cred on proc */
PROC_UPDATE_CREDS_ONPROC(kernproc);
/* Create the file descriptor table. */
kernproc->p_fd = &filedesc0;
filedesc0.fd_cmask = cmask;
- filedesc0.fd_knlistsize = -1;
+ filedesc0.fd_knlistsize = 0;
filedesc0.fd_knlist = NULL;
filedesc0.fd_knhash = NULL;
filedesc0.fd_knhashmask = 0;
/* Create the limits structures. */
kernproc->p_limit = &limit0;
- for (i = 0; i < sizeof(kernproc->p_rlimit)/sizeof(kernproc->p_rlimit[0]); i++)
- limit0.pl_rlimit[i].rlim_cur =
- limit0.pl_rlimit[i].rlim_max = RLIM_INFINITY;
+ for (i = 0; i < sizeof(kernproc->p_rlimit) / sizeof(kernproc->p_rlimit[0]); i++) {
+ limit0.pl_rlimit[i].rlim_cur =
+ limit0.pl_rlimit[i].rlim_max = RLIM_INFINITY;
+ }
limit0.pl_rlimit[RLIMIT_NOFILE].rlim_cur = NOFILE;
limit0.pl_rlimit[RLIMIT_NPROC].rlim_cur = maxprocperuid;
limit0.pl_rlimit[RLIMIT_NPROC].rlim_max = maxproc;
* for temporary copying (execve()).
*/
{
- vm_offset_t minimum;
+ vm_offset_t minimum;
bsd_init_kprintf("calling kmem_suballoc\n");
assert(bsd_pageable_map_size != 0);
ret = kmem_suballoc(kernel_map,
- &minimum,
- (vm_size_t)bsd_pageable_map_size,
- TRUE,
- VM_FLAGS_ANYWHERE,
- VM_MAP_KERNEL_FLAGS_NONE,
- VM_KERN_MEMORY_BSD,
- &bsd_pageable_map);
- if (ret != KERN_SUCCESS)
+ &minimum,
+ (vm_size_t)bsd_pageable_map_size,
+ TRUE,
+ VM_FLAGS_ANYWHERE,
+ VM_MAP_KERNEL_FLAGS_NONE,
+ VM_KERN_MEMORY_BSD,
+ &bsd_pageable_map);
+ if (ret != KERN_SUCCESS) {
panic("bsd_init: Failed to allocate bsd pageable map");
+ }
}
bsd_init_kprintf("calling fpxlog_init\n");
bsd_init_kprintf("calling vfsinit\n");
vfsinit();
+ /* Initialize file locks. */
+ bsd_init_kprintf("calling lf_init\n");
+ lf_init();
+
#if CONFIG_PROC_UUID_POLICY
/* Initial proc_uuid_policy subsystem */
bsd_init_kprintf("calling proc_uuid_policy_init()\n");
bsd_init_kprintf("calling mbinit\n");
mbinit();
net_str_id_init(); /* for mbuf tags */
+ restricted_in_port_init();
#endif /* SOCKETS */
/*
*/
#if CONFIG_AUDIT
bsd_init_kprintf("calling audit_init\n");
- audit_init();
+ audit_init();
#endif
/* Initialize kqueues */
iptap_init();
#if FLOW_DIVERT
flow_divert_init();
-#endif /* FLOW_DIVERT */
+#endif /* FLOW_DIVERT */
#endif /* SOCKETS */
kernproc->p_fd->fd_cdir = NULL;
kernproc->p_fd->fd_rdir = NULL;
bsd_init_kprintf("calling acct_init\n");
acct_init();
-#ifdef GPROF
- /* Initialize kernel profiling. */
- kmstartup();
-#endif
-
bsd_init_kprintf("calling sysctl_mib_init\n");
- sysctl_mib_init()
+ sysctl_mib_init();
bsd_init_kprintf("calling bsd_autoconf\n");
bsd_autoconf();
#include <loop.h>
#if NLOOP > 0
bsd_init_kprintf("calling loopattach\n");
- loopattach(); /* XXX */
+ loopattach(); /* XXX */
#endif
#if NGIF
/* Initialize gif interface (after lo0) */
/* Call any kext code that wants to run just after network init */
bsd_init_kprintf("calling net_init_run\n");
net_init_run();
-
+
#if CONTENT_FILTER
cfil_init();
#endif
#if PACKET_MANGLER
pkt_mnglr_init();
-#endif
+#endif
#if NECP
/* Initialize Network Extension Control Policies */
inittodr(0);
/* Mount the root file system. */
- while( TRUE) {
+ while (TRUE) {
int err;
bsd_init_kprintf("calling setconf\n");
setconf();
-#if NFSCLIENT
+#if CONFIG_NETBOOT
netboot = (mountroot == netboot_mountroot);
#endif
bsd_init_kprintf("vfs_mountroot\n");
- if (0 == (err = vfs_mountroot()))
+ if (0 == (err = vfs_mountroot())) {
break;
+ }
rootdevice[0] = '\0';
-#if NFSCLIENT
+#if CONFIG_NETBOOT
if (netboot) {
PE_display_icon( 0, "noroot"); /* XXX a netboot-specific icon would be nicer */
vc_progress_set(FALSE, 0);
- for (i=1; 1; i*=2) {
+ for (i = 1; 1; i *= 2) {
printf("bsd_init: failed to mount network root, error %d, %s\n",
- err, PE_boot_args());
+ err, PE_boot_args());
printf("We are hanging here...\n");
- IOSleep(i*60*1000);
+ IOSleep(i * 60 * 1000);
}
/*NOTREACHED*/
}
bsd_init_kprintf("calling VFS_ROOT\n");
/* Get the vnode for '/'. Set fdp->fd_fd.fd_cdir to reference it. */
- if (VFS_ROOT(mountlist.tqh_first, &rootvnode, &context))
+ if (VFS_ROOT(mountlist.tqh_first, &rootvnode, &context)) {
panic("bsd_init: cannot find root vnode: %s", PE_boot_args());
+ }
rootvnode->v_flag |= VROOT;
(void)vnode_ref(rootvnode);
(void)vnode_put(rootvnode);
filedesc0.fd_cdir = rootvnode;
-#if NFSCLIENT
+#if CONFIG_NETBOOT
if (netboot) {
int err;
if ((err = netboot_setup()) != 0) {
PE_display_icon( 0, "noroot"); /* XXX a netboot-specific icon would be nicer */
vc_progress_set(FALSE, 0);
- for (i=1; 1; i*=2) {
+ for (i = 1; 1; i *= 2) {
printf("bsd_init: NetBoot could not find root, error %d: %s\n",
- err, PE_boot_args());
+ err, PE_boot_args());
printf("We are hanging here...\n");
- IOSleep(i*60*1000);
+ IOSleep(i * 60 * 1000);
}
/*NOTREACHED*/
}
}
#endif
-
+
#if CONFIG_IMAGEBOOT
+#if CONFIG_LOCKERBOOT
+ /*
+ * Stash the protoboot vnode, mount, filesystem name, and device name for
+ * later use. Note that the mount-from name may not have the "/dev/"
+ * component, so we must sniff out this condition and add it as needed.
+ */
+ pbvn = rootvnode;
+ pbmnt = pbvn->v_mount;
+ pbdevp = vfs_statfs(pbmnt)->f_mntfromname;
+ slash_dev = strnstr(pbdevp, "/dev/", strlen(pbdevp));
+ if (slash_dev) {
+ /*
+ * If the old root is a snapshot mount, it will have the form:
+ *
+ * com.apple.os.update-<boot manifest hash>@<dev node path>
+ *
+ * So we just search the mntfromname for any occurrence of "/dev/" and
+ * grab that as the device path. The image boot code needs a dev node to
+ * do the re-mount, so we cannot directly mount the snapshot as the
+ * protoboot volume currently.
+ */
+ strlcpy(pbdevpath, slash_dev, sizeof(pbdevpath));
+ } else {
+ snprintf(pbdevpath, sizeof(pbdevpath), "/dev/%s", pbdevp);
+ }
+
+ bsd_init_kprintf("protoboot mount-from: %s\n", pbdevp);
+ bsd_init_kprintf("protoboot dev path: %s\n", pbdevpath);
+
+ strlcpy(pbfsname, pbmnt->mnt_vtable->vfc_name, sizeof(pbfsname));
+#endif
/*
* See if a system disk image is present. If so, mount it and
* switch the root vnode to point to it
- */
- if (netboot == FALSE && imageboot_needed()) {
- /*
+ */
+ imageboot_type_t imageboot_type = imageboot_needed();
+ if (netboot == FALSE && imageboot_type) {
+ /*
* An image was found. No turning back: we're booted
* with a kernel from the disk image.
*/
- imageboot_setup();
+ bsd_init_kprintf("doing image boot: type = %d\n", imageboot_type);
+ imageboot_setup(imageboot_type);
+ }
+
+#if CONFIG_LOCKERBOOT
+ if (imageboot_type == IMAGEBOOT_LOCKER) {
+ bsd_init_kprintf("booting from locker\n");
+ if (vnode_tag(rootvnode) != VT_LOCKERFS) {
+ panic("root filesystem not a locker: fsname = %s",
+ rootvnode->v_mount->mnt_vtable->vfc_name);
+ }
}
+#endif /* CONFIG_LOCKERBOOT */
#endif /* CONFIG_IMAGEBOOT */
-
+
/* set initial time; all other resource data is already zero'ed */
microtime_with_abstime(&kernproc->p_start, &kernproc->p_stats->ps_start);
#if DEVFS
{
- char mounthere[] = "/dev"; /* !const because of internal casting */
+ char mounthere[] = "/dev"; /* !const because of internal casting */
- bsd_init_kprintf("calling devfs_kernel_mount\n");
- devfs_kernel_mount(mounthere);
+ bsd_init_kprintf("calling devfs_kernel_mount\n");
+ devfs_kernel_mount(mounthere);
}
#endif /* DEVFS */
+ if (vfs_mount_rosv_data()) {
+ panic("failed to mount data volume!");
+ }
+
+ if (vfs_mount_vm()) {
+ printf("failed to mount vm volume!");
+ }
+
+#if CONFIG_LOCKERBOOT
+ /*
+ * We need to wait until devfs is up before remounting the protoboot volume
+ * within the locker so that it can have a real devfs vnode backing it.
+ */
+ if (imageboot_type == IMAGEBOOT_LOCKER) {
+ bsd_init_kprintf("re-mounting protoboot volume\n");
+ int error = mount_locker_protoboot(pbfsname, LOCKER_PROTOBOOT_MOUNT,
+ pbdevpath);
+ if (error) {
+ panic("failed to mount protoboot volume: dev path = %s, error = %d",
+ pbdevpath, error);
+ }
+ }
+#endif /* CONFIG_LOCKERBOOT */
+
/* Initialize signal state for process 0. */
bsd_init_kprintf("calling siginit\n");
siginit(kernproc);
bsd_init_kprintf("calling mountroot_post_hook\n");
/* invoke post-root-mount hook */
- if (mountroot_post_hook != NULL)
+ if (mountroot_post_hook != NULL) {
mountroot_post_hook();
+ }
#if 0 /* not yet */
consider_zone_gc(FALSE);
#endif
+ /* Initialize System Override call */
+ init_system_override();
+
bsd_init_kprintf("done\n");
}
bsdinit_task(void)
{
proc_t p = current_proc();
- struct uthread *ut;
- thread_t thread;
process_name("init", p);
- ux_handler_init();
-
- thread = current_thread();
- (void) host_set_exception_ports(host_priv_self(),
- EXC_MASK_ALL & ~(EXC_MASK_RPC_ALERT),//pilotfish (shark) needs this port
- (mach_port_t) ux_exception_port,
- EXCEPTION_DEFAULT| MACH_EXCEPTION_CODES,
- 0);
-
- ut = (uthread_t)get_bsdthread_info(thread);
+ /* Set up exception-to-signal reflection */
+ ux_handler_setup();
#if CONFIG_MACF
mac_cred_label_associate_user(p->p_ucred);
#endif
- vm_init_before_launchd();
+ vm_init_before_launchd();
+#if CONFIG_XNUPOST
+ int result = bsd_list_tests();
+ result = bsd_do_post();
+ if (result != 0) {
+ panic("bsd_do_post: Tests failed with result = 0x%08x\n", result);
+ }
+#endif
bsd_init_kprintf("bsd_do_post - done");
kprintf("bsd_autoconf: calling kminit\n");
kminit();
- /*
+ /*
* Early startup for bsd pseudodevices.
*/
{
- struct pseudo_init *pi;
-
- for (pi = pseudo_inits; pi->ps_func; pi++)
- (*pi->ps_func) (pi->ps_count);
+ struct pseudo_init *pi;
+
+ for (pi = pseudo_inits; pi->ps_func; pi++) {
+ (*pi->ps_func)(pi->ps_count);
+ }
}
- return( IOKitBSDInit());
+ return IOKitBSDInit();
}
static void
setconf(void)
-{
- u_int32_t flags;
- kern_return_t err;
+{
+ u_int32_t flags;
+ kern_return_t err;
err = IOFindBSDRoot(rootdevice, sizeof(rootdevice), &rootdev, &flags);
- if( err) {
+ if (err) {
printf("setconf: IOFindBSDRoot returned an error (%d);"
- "setting rootdevice to 'sd0a'.\n", err); /* XXX DEBUG TEMP */
+ "setting rootdevice to 'sd0a'.\n", err); /* XXX DEBUG TEMP */
rootdev = makedev( 6, 0 );
strlcpy(rootdevice, "sd0a", sizeof(rootdevice));
flags = 0;
}
-#if NFSCLIENT
- if( flags & 1 ) {
+#if CONFIG_NETBOOT
+ if (flags & 1) {
/* network device */
mountroot = netboot_mountroot;
} else {
#endif
- /* otherwise have vfs determine root filesystem */
- mountroot = NULL;
-#if NFSCLIENT
- }
+ /* otherwise have vfs determine root filesystem */
+ mountroot = NULL;
+#if CONFIG_NETBOOT
+}
#endif
-
}
void
thread = cloneproc(TASK_NULL, COALITION_NULL, kernproc, FALSE, TRUE);
/* Hold the reference as it will be dropped during shutdown */
- initproc = proc_find(1);
+ initproc = proc_find(1);
#if __PROC_INTERNAL_DEBUG
- if (initproc == PROC_NULL)
+ if (initproc == PROC_NULL) {
panic("bsd_utaskbootstrap: initproc not set\n");
+ }
#endif
/*
* Since we aren't going back out the normal way to our parent,
ut = (struct uthread *)get_bsdthread_info(thread);
ut->uu_sigmask = 0;
act_set_astbsd(thread);
- task_clear_return_wait(get_threadtask(thread));
+ task_clear_return_wait(get_threadtask(thread), TCRW_CLEAR_ALL_WAIT);
}
static void
parse_bsd_args(void)
{
- char namep[16];
+ char namep[48];
int msgbuf;
- if ( PE_parse_boot_argn("-s", namep, sizeof (namep)))
+ if (PE_parse_boot_argn("-s", namep, sizeof(namep))) {
boothowto |= RB_SINGLE;
+ }
- if (PE_parse_boot_argn("-b", namep, sizeof (namep)))
- boothowto |= RB_NOBOOTRC;
-
- if (PE_parse_boot_argn("-x", namep, sizeof (namep))) /* safe boot */
+ if (PE_parse_boot_argn("-x", namep, sizeof(namep))) { /* safe boot */
boothowto |= RB_SAFEBOOT;
+ }
if (PE_parse_boot_argn("-minimalboot", namep, sizeof(namep))) {
/*
minimalboot = 1;
}
-#if __arm64__
- /* disable 64 bit grading */
- if (PE_parse_boot_argn("-no64exec", namep, sizeof (namep)))
- bootarg_no64exec = 1;
-#endif
#if __x86_64__
+ int no32exec;
+
/* disable 32 bit grading */
- if (PE_parse_boot_argn("-no32exec", namep, sizeof (namep)))
- bootarg_no32exec = 1;
+ if (PE_parse_boot_argn("no32exec", &no32exec, sizeof(no32exec))) {
+ bootarg_no32exec = !!no32exec;
+ }
#endif
+ int execfailure_crashreports;
+ /* enable crash reports on various exec failures */
+ if (PE_parse_boot_argn("execfailurecrashes", &execfailure_crashreports, sizeof(execfailure_crashreports))) {
+ bootarg_execfailurereports = !!execfailure_crashreports;
+ }
+
/* disable vnode_cache_is_authorized() by setting vnode_cache_defeat */
- if (PE_parse_boot_argn("-vnode_cache_defeat", namep, sizeof (namep)))
+ if (PE_parse_boot_argn("-vnode_cache_defeat", namep, sizeof(namep))) {
bootarg_vnode_cache_defeat = 1;
+ }
#if DEVELOPMENT || DEBUG
- if (PE_parse_boot_argn("-disable_aslr", namep, sizeof (namep)))
+ if (PE_parse_boot_argn("-disable_aslr", namep, sizeof(namep))) {
bootarg_disable_aslr = 1;
+ }
#endif
- PE_parse_boot_argn("ncl", &ncl, sizeof (ncl));
+ PE_parse_boot_argn("ncl", &ncl, sizeof(ncl));
if (PE_parse_boot_argn("nbuf", &max_nbuf_headers,
- sizeof (max_nbuf_headers))) {
+ sizeof(max_nbuf_headers))) {
customnbuf = 1;
}
#if CONFIG_MACF
#if defined (__i386__) || defined (__x86_64__)
- PE_parse_boot_argn("policy_check", &policy_check_flags, sizeof (policy_check_flags));
+ PE_parse_boot_argn("policy_check", &policy_check_flags, sizeof(policy_check_flags));
#endif
-#endif /* CONFIG_MACF */
+#endif /* CONFIG_MACF */
- if (PE_parse_boot_argn("msgbuf", &msgbuf, sizeof (msgbuf))) {
+ if (PE_parse_boot_argn("msgbuf", &msgbuf, sizeof(msgbuf))) {
log_setsize(msgbuf);
oslog_setsize(msgbuf);
}
}
#if CONFIG_JETSAM && (DEVELOPMENT || DEBUG)
- if (PE_parse_boot_argn("-no_vnode_jetsam", namep, sizeof(namep)))
- bootarg_no_vnode_jetsam = 1;
+ if (PE_parse_boot_argn("-no_vnode_jetsam", namep, sizeof(namep))) {
+ bootarg_no_vnode_jetsam = 1;
+ }
#endif /* CONFIG_JETSAM && (DEVELOPMENT || DEBUG) */
+ if (PE_parse_boot_argn("-no_vnode_drain", namep, sizeof(namep))) {
+ bootarg_no_vnode_drain = 1;
+ }
#if CONFIG_EMBEDDED
/*
PE_parse_boot_argn("sigrestrict", &sigrestrict_arg, sizeof(sigrestrict_arg));
-#if DEVELOPMENT|| DEBUG
+#if DEVELOPMENT || DEBUG
if (PE_parse_boot_argn("-no_sigsys", namep, sizeof(namep))) {
send_sigsys = false;
}
-#endif
-#if (DEVELOPMENT|| DEBUG)
if (PE_parse_boot_argn("alt-dyld", dyld_alt_path, sizeof(dyld_alt_path))) {
- if (strlen(dyld_alt_path) > 0) {
- use_alt_dyld = 1;
- }
+ if (strlen(dyld_alt_path) > 0) {
+ use_alt_dyld = 1;
+ }
}
-#endif
+ PE_parse_boot_argn("dyld_flags", &dyld_flags, sizeof(dyld_flags));
+
+ if (PE_parse_boot_argn("-disable_syscallfilter", &namep, sizeof(namep))) {
+ syscallfilter_disable = 1;
+ }
+
+#if __arm64__
+ if (PE_parse_boot_argn("legacy_footprint_entitlement_mode", &legacy_footprint_entitlement_mode, sizeof(legacy_footprint_entitlement_mode))) {
+ /*
+ * legacy_footprint_entitlement_mode specifies the behavior we want associated
+ * with the entitlement. The supported modes are:
+ *
+ * LEGACY_FOOTPRINT_ENTITLEMENT_IGNORE:
+ * Indicates that we want every process to have the memory accounting
+ * that is available in iOS 12.0 and beyond.
+ *
+ * LEGACY_FOOTPRINT_ENTITLEMENT_IOS11_ACCT:
+ * Indicates that for every process that has the 'legacy footprint entitlement',
+ * we want to give it the old iOS 11.0 accounting behavior which accounted some
+ * of the process's memory to the kernel.
+ *
+ * LEGACY_FOOTPRINT_ENTITLEMENT_LIMIT_INCREASE:
+ * Indicates that for every process that has the 'legacy footprint entitlement',
+ * we want it to have a higher memory limit which will help them acclimate to the
+ * iOS 12.0 (& beyond) accounting behavior that does the right accounting.
+ * The bonus added to the system-wide task limit to calculate this higher memory limit
+ * is available in legacy_footprint_bonus_mb.
+ */
+
+ if (legacy_footprint_entitlement_mode < LEGACY_FOOTPRINT_ENTITLEMENT_IGNORE ||
+ legacy_footprint_entitlement_mode > LEGACY_FOOTPRINT_ENTITLEMENT_LIMIT_INCREASE) {
+ legacy_footprint_entitlement_mode = LEGACY_FOOTPRINT_ENTITLEMENT_LIMIT_INCREASE;
+ }
+ }
+#endif /* __arm64__ */
+#endif /* DEVELOPMENT || DEBUG */
}
void
bsd_exec_setup(int scale)
{
-
switch (scale) {
- case 0:
- case 1:
- bsd_simul_execs = BSD_SIMUL_EXECS;
- break;
- case 2:
- case 3:
- bsd_simul_execs = 65;
- break;
- case 4:
- case 5:
- bsd_simul_execs = 129;
- break;
- case 6:
- case 7:
- bsd_simul_execs = 257;
- break;
- default:
- bsd_simul_execs = 513;
- break;
-
+ case 0:
+ case 1:
+ bsd_simul_execs = BSD_SIMUL_EXECS;
+ break;
+ case 2:
+ case 3:
+ bsd_simul_execs = 65;
+ break;
+ case 4:
+ case 5:
+ bsd_simul_execs = 129;
+ break;
+ case 6:
+ case 7:
+ bsd_simul_execs = 257;
+ break;
+ default:
+ bsd_simul_execs = 513;
+ break;
}
bsd_pageable_map_size = (bsd_simul_execs * BSD_PAGEABLE_SIZE_PER_EXEC);
}
-#if !NFSCLIENT
-int
+#if !CONFIG_NETBOOT
+int
netboot_root(void);
-int
+int
netboot_root(void)
{
- return(0);
+ return 0;
}
#endif
projects / apple / xnu.git / blobdiff