Index: head/etc/defaults/rc.conf =================================================================== --- head/etc/defaults/rc.conf (revision 290196) +++ head/etc/defaults/rc.conf (revision 290197) @@ -1,701 +1,702 @@ #!/bin/sh # This is rc.conf - a file full of useful variables that you can set # to change the default startup behavior of your system. You should # not edit this file! Put any overrides into one of the ${rc_conf_files} # instead and you will be able to update these defaults later without # spamming your local configuration information. # # The ${rc_conf_files} files should only contain values which override # values set in this file. This eases the upgrade path when defaults # are changed and new features are added. # # All arguments must be in double or single quotes. # # For a more detailed explanation of all the rc.conf variables, please # refer to the rc.conf(5) manual page. # # $FreeBSD$ ############################################################## ### Important initial Boot-time options #################### ############################################################## #rc_debug="NO" # Set to YES to enable debugging output from rc.d rc_info="NO" # Enables display of informational messages at boot. rc_startmsgs="YES" # Show "Starting foo:" messages at boot rcshutdown_timeout="90" # Seconds to wait before terminating rc.shutdown early_late_divider="FILESYSTEMS" # Script that separates early/late # stages of the boot process. Make sure you know # the ramifications if you change this. # See rc.conf(5) for more details. always_force_depends="NO" # Set to check that indicated dependencies are # running during boot (can increase boot time). apm_enable="NO" # Set to YES to enable APM BIOS functions (or NO). apmd_enable="NO" # Run apmd to handle APM event from userland. apmd_flags="" # Flags to apmd (if enabled). ddb_enable="NO" # Set to YES to load ddb scripts at boot. ddb_config="/etc/ddb.conf" # ddb(8) config file. devd_enable="YES" # Run devd, to trigger programs on device tree changes. devd_flags="" # Additional flags for devd(8). #kld_list="" # Kernel modules to load after local disks are mounted kldxref_enable="NO" # Build linker.hints files with kldxref(8). kldxref_clobber="NO" # Overwrite old linker.hints at boot. kldxref_module_path="" # Override kern.module_path. A ';'-delimited list. powerd_enable="NO" # Run powerd to lower our power usage. powerd_flags="" # Flags to powerd (if enabled). tmpmfs="AUTO" # Set to YES to always create an mfs /tmp, NO to never tmpsize="20m" # Size of mfs /tmp if created tmpmfs_flags="-S" # Extra mdmfs options for the mfs /tmp varmfs="AUTO" # Set to YES to always create an mfs /var, NO to never varsize="32m" # Size of mfs /var if created varmfs_flags="-S" # Extra mount options for the mfs /var populate_var="AUTO" # Set to YES to always (re)populate /var, NO to never cleanvar_enable="YES" # Clean the /var directory local_startup="/usr/local/etc/rc.d" # startup script dirs. script_name_sep=" " # Change if your startup scripts' names contain spaces rc_conf_files="/etc/rc.conf /etc/rc.conf.local" # ZFS support zfs_enable="NO" # Set to YES to automatically mount ZFS file systems gptboot_enable="YES" # GPT boot success/failure reporting. # Experimental - test before enabling gbde_autoattach_all="NO" # YES automatically mounts gbde devices from fstab gbde_devices="NO" # Devices to automatically attach (list, or AUTO) gbde_attach_attempts="3" # Number of times to attempt attaching gbde devices gbde_lockdir="/etc" # Where to look for gbde lockfiles # GELI disk encryption configuration. geli_devices="" # List of devices to automatically attach in addition to # GELI devices listed in /etc/fstab. geli_tries="" # Number of times to attempt attaching geli device. # If empty, kern.geom.eli.tries will be used. geli_default_flags="" # Default flags for geli(8). geli_autodetach="YES" # Automatically detach on last close. # Providers are marked as such when all file systems are # mounted. # Example use. #geli_devices="da1 mirror/home" #geli_da1_flags="-p -k /etc/geli/da1.keys" #geli_da1_autodetach="NO" #geli_mirror_home_flags="-k /etc/geli/home.keys" root_rw_mount="YES" # Set to NO to inhibit remounting root read-write. +root_hold_delay="30" # Time to wait for root mount hold release. fsck_y_enable="NO" # Set to YES to do fsck -y if the initial preen fails. fsck_y_flags="" # Additional flags for fsck -y background_fsck="YES" # Attempt to run fsck in the background where possible. background_fsck_delay="60" # Time to wait (seconds) before starting the fsck. netfs_types="nfs:NFS smbfs:SMB" # Net filesystems. extra_netfs_types="NO" # List of network extra filesystem types for delayed # mount at startup (or NO). ############################################################## ### Network configuration sub-section ###################### ############################################################## ### Basic network and firewall/security options: ### hostname="" # Set this! hostid_enable="YES" # Set host UUID. hostid_file="/etc/hostid" # File with hostuuid. nisdomainname="NO" # Set to NIS domain if using NIS (or NO). dhclient_program="/sbin/dhclient" # Path to dhcp client program. dhclient_flags="" # Extra flags to pass to dhcp client. #dhclient_flags_fxp0="" # Extra dhclient flags for fxp0 only background_dhclient="NO" # Start dhcp client in the background. #background_dhclient_fxp0="YES" # Start dhcp client on fxp0 in the background. synchronous_dhclient="NO" # Start dhclient directly on configured # interfaces during startup. defaultroute_delay="30" # Time to wait for a default route on a DHCP interface. defaultroute_carrier_delay="5" # Time to wait for carrier while waiting for a default route. netif_enable="YES" # Set to YES to initialize network interfaces netif_ipexpand_max="2048" # Maximum number of IP addrs in a range spec. wpa_supplicant_program="/usr/sbin/wpa_supplicant" wpa_supplicant_flags="-s" # Extra flags to pass to wpa_supplicant wpa_supplicant_conf_file="/etc/wpa_supplicant.conf" # firewall_enable="NO" # Set to YES to enable firewall functionality firewall_script="/etc/rc.firewall" # Which script to run to set up the firewall firewall_type="UNKNOWN" # Firewall type (see /etc/rc.firewall) firewall_quiet="NO" # Set to YES to suppress rule display firewall_logging="NO" # Set to YES to enable events logging firewall_logif="NO" # Set to YES to create logging-pseudo interface firewall_flags="" # Flags passed to ipfw when type is a file firewall_coscripts="" # List of executables/scripts to run after # firewall starts/stops firewall_client_net="192.0.2.0/24" # IPv4 Network address for "client" # firewall. #firewall_client_net_ipv6="2001:db8:2:1::/64" # IPv6 network prefix for # "client" firewall. firewall_simple_iif="ed1" # Inside network interface for "simple" # firewall. firewall_simple_inet="192.0.2.16/28" # Inside network address for "simple" # firewall. firewall_simple_oif="ed0" # Outside network interface for "simple" # firewall. firewall_simple_onet="192.0.2.0/28" # Outside network address for "simple" # firewall. #firewall_simple_iif_ipv6="ed1" # Inside IPv6 network interface for "simple" # firewall. #firewall_simple_inet_ipv6="2001:db8:2:800::/56" # Inside IPv6 network prefix # for "simple" firewall. #firewall_simple_oif_ipv6="ed0" # Outside IPv6 network interface for "simple" # firewall. #firewall_simple_onet_ipv6="2001:db8:2:0::/56" # Outside IPv6 network prefix # for "simple" firewall. firewall_myservices="" # List of TCP ports on which this host # offers services for "workstation" firewall. firewall_allowservices="" # List of IPs which have access to # $firewall_myservices for "workstation" # firewall. firewall_trusted="" # List of IPs which have full access to this # host for "workstation" firewall. firewall_logdeny="NO" # Set to YES to log default denied incoming # packets for "workstation" firewall. firewall_nologports="135-139,445 1026,1027 1433,1434" # List of TCP/UDP ports # for which denied incoming packets are not # logged for "workstation" firewall. firewall_nat_enable="NO" # Enable kernel NAT (if firewall_enable == YES) firewall_nat_interface="" # Public interface or IPaddress to use firewall_nat_flags="" # Additional configuration parameters dummynet_enable="NO" # Load the dummynet(4) module ip_portrange_first="NO" # Set first dynamically allocated port ip_portrange_last="NO" # Set last dynamically allocated port ike_enable="NO" # Enable IKE daemon (usually racoon or isakmpd) ike_program="/usr/local/sbin/isakmpd" # Path to IKE daemon ike_flags="" # Additional flags for IKE daemon ipsec_enable="NO" # Set to YES to run setkey on ipsec_file ipsec_file="/etc/ipsec.conf" # Name of config file for setkey natd_program="/sbin/natd" # path to natd, if you want a different one. natd_enable="NO" # Enable natd (if firewall_enable == YES). natd_interface="" # Public interface or IPaddress to use. natd_flags="" # Additional flags for natd. ipfilter_enable="NO" # Set to YES to enable ipfilter functionality ipfilter_program="/sbin/ipf" # where the ipfilter program lives ipfilter_rules="/etc/ipf.rules" # rules definition file for ipfilter, see # /usr/src/contrib/ipfilter/rules for examples ipfilter_flags="" # additional flags for ipfilter ipnat_enable="NO" # Set to YES to enable ipnat functionality ipnat_program="/sbin/ipnat" # where the ipnat program lives ipnat_rules="/etc/ipnat.rules" # rules definition file for ipnat ipnat_flags="" # additional flags for ipnat ipmon_enable="NO" # Set to YES for ipmon; needs ipfilter or ipnat ipmon_program="/sbin/ipmon" # where the ipfilter monitor program lives ipmon_flags="-Ds" # typically "-Ds" or "-D /var/log/ipflog" ipfs_enable="NO" # Set to YES to enable saving and restoring # of state tables at shutdown and boot ipfs_program="/sbin/ipfs" # where the ipfs program lives ipfs_flags="" # additional flags for ipfs pf_enable="NO" # Set to YES to enable packet filter (pf) pf_rules="/etc/pf.conf" # rules definition file for pf pf_program="/sbin/pfctl" # where the pfctl program lives pf_flags="" # additional flags for pfctl pflog_enable="NO" # Set to YES to enable packet filter logging pflog_logfile="/var/log/pflog" # where pflogd should store the logfile pflog_program="/sbin/pflogd" # where the pflogd program lives pflog_flags="" # additional flags for pflogd ftpproxy_enable="NO" # Set to YES to enable ftp-proxy(8) for pf ftpproxy_flags="" # additional flags for ftp-proxy(8) pfsync_enable="NO" # Expose pf state to other hosts for syncing pfsync_syncdev="" # Interface for pfsync to work through pfsync_syncpeer="" # IP address of pfsync peer host pfsync_ifconfig="" # Additional options to ifconfig(8) for pfsync tcp_extensions="YES" # Set to NO to turn off RFC1323 extensions. log_in_vain="0" # >=1 to log connects to ports w/o listeners. tcp_keepalive="YES" # Enable stale TCP connection timeout (or NO). tcp_drop_synfin="NO" # Set to YES to drop TCP packets with SYN+FIN # NOTE: this violates the TCP specification icmp_drop_redirect="NO" # Set to YES to ignore ICMP REDIRECT packets icmp_log_redirect="NO" # Set to YES to log ICMP REDIRECT packets network_interfaces="auto" # List of network interfaces (or "auto"). cloned_interfaces="" # List of cloned network interfaces to create. #cloned_interfaces="gif0 gif1 gif2 gif3" # Pre-cloning GENERIC config. #ifconfig_lo0="inet 127.0.0.1" # default loopback device configuration. #ifconfig_lo0_alias0="inet 127.0.0.254 netmask 0xffffffff" # Sample alias entry. #ifconfig_ed0_ipv6="inet6 2001:db8:1::1 prefixlen 64" # Sample IPv6 addr entry #ifconfig_ed0_alias0="inet6 2001:db8:2::1 prefixlen 64" # Sample IPv6 alias #ifconfig_fxp0_name="net0" # Change interface name from fxp0 to net0. #vlans_fxp0="101 vlan0" # vlan(4) interfaces for fxp0 device #create_args_vlan0="vlan 102" # vlan tag for vlan0 device #wlans_ath0="wlan0" # wlan(4) interfaces for ath0 device #wlandebug_wlan0="scan+auth+assoc" # Set debug flags with wlanddebug(8) #ipv4_addrs_fxp0="192.168.0.1/24 192.168.1.1-5/28" # example IPv4 address entry. # #autobridge_interfaces="bridge0" # List of bridges to check #autobridge_bridge0="tap* vlan0" # Interface glob to automatically add to the bridge # # If you have any sppp(4) interfaces above, you might also want to set # the following parameters. Refer to spppcontrol(8) for their meaning. sppp_interfaces="" # List of sppp interfaces. #sppp_interfaces="...0" # example: sppp over ... #spppconfig_...0="authproto=chap myauthname=foo myauthsecret='top secret' hisauthname=some-gw hisauthsecret='another secret'" # User ppp configuration. ppp_enable="NO" # Start user-ppp (or NO). ppp_program="/usr/sbin/ppp" # Path to user-ppp program. ppp_mode="auto" # Choice of "auto", "ddial", "direct" or "dedicated". # For details see man page for ppp(8). Default is auto. ppp_nat="YES" # Use PPP's internal network address translation or NO. ppp_profile="papchap" # Which profile to use from /etc/ppp/ppp.conf. ppp_user="root" # Which user to run ppp as # Start multiple instances of ppp at boot time #ppp_profile="profile1 profile2 profile3" # Which profiles to use #ppp_profile1_mode="ddial" # Override ppp mode for profile1 #ppp_profile2_nat="NO" # Override nat mode for profile2 # profile3 uses default ppp_mode and ppp_nat ### Network daemon (miscellaneous) ### hostapd_enable="NO" # Run hostap daemon. syslogd_enable="YES" # Run syslog daemon (or NO). syslogd_program="/usr/sbin/syslogd" # path to syslogd, if you want a different one. syslogd_flags="-s" # Flags to syslogd (if enabled). altlog_proglist="" # List of chrooted applicatioins in /var inetd_enable="NO" # Run the network daemon dispatcher (YES/NO). inetd_program="/usr/sbin/inetd" # path to inetd, if you want a different one. inetd_flags="-wW -C 60" # Optional flags to inetd iscsid_enable="NO" # iSCSI initiator daemon. iscsictl_enable="NO" # iSCSI initiator autostart. iscsictl_flags="-Aa" # Optional flags to iscsictl. hastd_enable="NO" # Run the HAST daemon (YES/NO). hastd_program="/sbin/hastd" # path to hastd, if you want a different one. hastd_flags="" # Optional flags to hastd. ctld_enable="NO" # CAM Target Layer / iSCSI target daemon. local_unbound_enable="NO" # local caching resolver # # kerberos. Do not run the admin daemons on slave servers # kdc_enable="NO" # Run a kerberos 5 KDC (or NO). kdc_program="/usr/libexec/kdc" # path to kerberos 5 KDC kdc_flags="" # Additional flags to the kerberos 5 KDC kadmind_enable="NO" # Run kadmind (or NO) kadmind_program="/usr/libexec/kadmind" # path to kadmind kpasswdd_enable="NO" # Run kpasswdd (or NO) kpasswdd_program="/usr/libexec/kpasswdd" # path to kpasswdd kfd_enable="NO" # Run kfd (or NO) kfd_program="/usr/libexec/kfd" # path to kerberos 5 kfd daemon kfd_flags="" ipropd_master_enable="NO" # Run Heimdal incremental propagation daemon # (master daemon). ipropd_master_program="/usr/libexec/ipropd-master" ipropd_master_flags="" # Flags to ipropd-master. ipropd_master_keytab="/etc/krb5.keytab" # keytab for ipropd-master. ipropd_master_slaves="" # slave node names used for /var/heimdal/slaves. ipropd_slave_enable="NO" # Run Heimdal incremental propagation daemon # (slave daemon). ipropd_slave_program="/usr/libexec/ipropd-slave" ipropd_slave_flags="" # Flags to ipropd-slave. ipropd_slave_keytab="/etc/krb5.keytab" # keytab for ipropd-slave. ipropd_slave_master="" # master node name. gssd_enable="NO" # Run the gssd daemon (or NO). gssd_program="/usr/sbin/gssd" # Path to gssd. gssd_flags="" # Flags for gssd. rwhod_enable="NO" # Run the rwho daemon (or NO). rwhod_flags="" # Flags for rwhod rarpd_enable="NO" # Run rarpd (or NO). rarpd_flags="-a" # Flags to rarpd. bootparamd_enable="NO" # Run bootparamd (or NO). bootparamd_flags="" # Flags to bootparamd pppoed_enable="NO" # Run the PPP over Ethernet daemon. pppoed_provider="*" # Provider and ppp(8) config file entry. pppoed_flags="-P /var/run/pppoed.pid" # Flags to pppoed (if enabled). pppoed_interface="fxp0" # The interface that pppoed runs on. sshd_enable="NO" # Enable sshd sshd_program="/usr/sbin/sshd" # path to sshd, if you want a different one. sshd_flags="" # Additional flags for sshd. ftpd_enable="NO" # Enable stand-alone ftpd. ftpd_program="/usr/libexec/ftpd" # Path to ftpd, if you want a different one. ftpd_flags="" # Additional flags to stand-alone ftpd. ### Network daemon (NFS): All need rpcbind_enable="YES" ### amd_enable="NO" # Run amd service with $amd_flags (or NO). amd_program="/usr/sbin/amd" # path to amd, if you want a different one. amd_flags="-a /.amd_mnt -l syslog /host /etc/amd.map /net /etc/amd.map" amd_map_program="NO" # Can be set to "ypcat -k amd.master" autofs_enable="NO" # Run autofs daemons. automount_flags="" # Flags to automount(8) (if autofs enabled). automountd_flags="" # Flags to automountd(8) (if autofs enabled). autounmountd_flags="" # Flags to autounmountd(8) (if autofs enabled). nfs_client_enable="NO" # This host is an NFS client (or NO). nfs_access_cache="60" # Client cache timeout in seconds nfs_server_enable="NO" # This host is an NFS server (or NO). nfs_server_flags="-u -t" # Flags to nfsd (if enabled). mountd_enable="NO" # Run mountd (or NO). mountd_flags="-r" # Flags to mountd (if NFS server enabled). weak_mountd_authentication="NO" # Allow non-root mount requests to be served. nfs_reserved_port_only="NO" # Provide NFS only on secure port (or NO). nfs_bufpackets="" # bufspace (in packets) for client rpc_lockd_enable="NO" # Run NFS rpc.lockd needed for client/server. rpc_lockd_flags="" # Flags to rpc.lockd (if enabled). rpc_statd_enable="NO" # Run NFS rpc.statd needed for client/server. rpc_statd_flags="" # Flags to rpc.statd (if enabled). rpcbind_enable="NO" # Run the portmapper service (YES/NO). rpcbind_program="/usr/sbin/rpcbind" # path to rpcbind, if you want a different one. rpcbind_flags="" # Flags to rpcbind (if enabled). rpc_ypupdated_enable="NO" # Run if NIS master and SecureRPC (or NO). keyserv_enable="NO" # Run the SecureRPC keyserver (or NO). keyserv_flags="" # Flags to keyserv (if enabled). nfsv4_server_enable="NO" # Enable support for NFSv4 nfscbd_enable="NO" # NFSv4 client side callback daemon nfscbd_flags="" # Flags for nfscbd nfsuserd_enable="NO" # NFSv4 user/group name mapping daemon nfsuserd_flags="" # Flags for nfsuserd ### Network Time Services options: ### timed_enable="NO" # Run the time daemon (or NO). timed_flags="" # Flags to timed (if enabled). ntpdate_enable="NO" # Run ntpdate to sync time on boot (or NO). ntpdate_program="/usr/sbin/ntpdate" # path to ntpdate, if you want a different one. ntpdate_flags="-b" # Flags to ntpdate (if enabled). ntpdate_config="/etc/ntp.conf" # ntpdate(8) configuration file ntpdate_hosts="" # Whitespace-separated list of ntpdate(8) servers. ntpd_enable="NO" # Run ntpd Network Time Protocol (or NO). ntpd_program="/usr/sbin/ntpd" # path to ntpd, if you want a different one. ntpd_config="/etc/ntp.conf" # ntpd(8) configuration file ntpd_sync_on_start="NO" # Sync time on ntpd startup, even if offset is high ntpd_flags="-p /var/run/ntpd.pid -f /var/db/ntpd.drift" # Flags to ntpd (if enabled). # Network Information Services (NIS) options: All need rpcbind_enable="YES" ### nis_client_enable="NO" # We're an NIS client (or NO). nis_client_flags="" # Flags to ypbind (if enabled). nis_ypset_enable="NO" # Run ypset at boot time (or NO). nis_ypset_flags="" # Flags to ypset (if enabled). nis_server_enable="NO" # We're an NIS server (or NO). nis_server_flags="" # Flags to ypserv (if enabled). nis_ypxfrd_enable="NO" # Run rpc.ypxfrd at boot time (or NO). nis_ypxfrd_flags="" # Flags to rpc.ypxfrd (if enabled). nis_yppasswdd_enable="NO" # Run rpc.yppasswdd at boot time (or NO). nis_yppasswdd_flags="" # Flags to rpc.yppasswdd (if enabled). ### SNMP daemon ### # Be sure to understand the security implications of running SNMP v1/v2 # in your network. bsnmpd_enable="NO" # Run the SNMP daemon (or NO). bsnmpd_flags="" # Flags for bsnmpd. ### Network routing options: ### defaultrouter="NO" # Set to default gateway (or NO). static_arp_pairs="" # Set to static ARP list (or leave empty). static_ndp_pairs="" # Set to static NDP list (or leave empty). static_routes="" # Set to static route list (or leave empty). natm_static_routes="" # Set to static route list for NATM (or leave empty). gateway_enable="NO" # Set to YES if this host will be a gateway. routed_enable="NO" # Set to YES to enable a routing daemon. routed_program="/sbin/routed" # Name of routing daemon to use if enabled. routed_flags="-q" # Flags for routing daemon. arpproxy_all="NO" # replaces obsolete kernel option ARP_PROXYALL. forward_sourceroute="NO" # do source routing (only if gateway_enable is set to "YES") accept_sourceroute="NO" # accept source routed packets to us ### ATM interface options: ### atm_enable="NO" # Configure ATM interfaces (or NO). #atm_netif_hea0="atm 1" # Network interfaces for physical interface. #atm_sigmgr_hea0="uni31" # Signalling manager for physical interface. #atm_prefix_hea0="ILMI" # NSAP prefix (UNI interfaces only) (or ILMI). #atm_macaddr_hea0="NO" # Override physical MAC address (or NO). #atm_arpserver_atm0="0x47.0005.80.999999.9999.9999.9999.999999999999.00" # ATMARP server address (or local). #atm_scsparp_atm0="NO" # Run SCSP/ATMARP on network interface (or NO). atm_pvcs="" # Set to PVC list (or leave empty). atm_arps="" # Set to permanent ARP list (or leave empty). ### Bluetooth ### hcsecd_enable="NO" # Enable hcsecd(8) (or NO) hcsecd_config="/etc/bluetooth/hcsecd.conf" # hcsecd(8) configuration file sdpd_enable="NO" # Enable sdpd(8) (or NO) sdpd_control="/var/run/sdp" # sdpd(8) control socket sdpd_groupname="nobody" # set spdp(8) user/group to run as after sdpd_username="nobody" # it initializes bthidd_enable="NO" # Enable bthidd(8) (or NO) bthidd_config="/etc/bluetooth/bthidd.conf" # bthidd(8) configuration file bthidd_hids="/var/db/bthidd.hids" # bthidd(8) known HID devices file rfcomm_pppd_server_enable="NO" # Enable rfcomm_pppd(8) in server mode (or NO) rfcomm_pppd_server_profile="one two" # Profile to use from /etc/ppp/ppp.conf # #rfcomm_pppd_server_one_bdaddr="" # Override local bdaddr for 'one' rfcomm_pppd_server_one_channel="1" # Override local channel for 'one' #rfcomm_pppd_server_one_register_sp="NO" # Override SP and DUN register #rfcomm_pppd_server_one_register_dun="NO" # for 'one' # #rfcomm_pppd_server_two_bdaddr="" # Override local bdaddr for 'two' rfcomm_pppd_server_two_channel="3" # Override local channel for 'two' #rfcomm_pppd_server_two_register_sp="NO" # Override SP and DUN register #rfcomm_pppd_server_two_register_dun="NO" # for 'two' ubthidhci_enable="NO" # Switch an USB BT controller present on #ubthidhci_busnum="3" # bus 3 and addr 2 from HID mode to HCI mode. #ubthidhci_addr="2" # Check usbconfig list to find the correct # numbers for your system. ### Network link/usability verification options netwait_enable="NO" # Enable rc.d/netwait (or NO) #netwait_ip="" # IP addresses to be pinged by netwait. netwait_timeout="60" # Total number of seconds to perform pings. #netwait_if="" # Interface name to watch link state on. netwait_if_timeout="30" # Total number of seconds to monitor link state. ### Miscellaneous network options: ### icmp_bmcastecho="NO" # respond to broadcast ping packets ### IPv6 options: ### ipv6_network_interfaces="auto" # List of IPv6 network interfaces # (or "auto" or "none"). ipv6_activate_all_interfaces="NO" # If NO, interfaces which have no # corresponding $ifconfig_IF_ipv6 is # marked as IFDISABLED for security # reason. ipv6_defaultrouter="NO" # Set to IPv6 default gateway (or NO). #ipv6_defaultrouter="2002:c058:6301::" # Use this for 6to4 (RFC 3068) ipv6_static_routes="" # Set to static route list (or leave empty). #ipv6_static_routes="xxx" # An example to set fec0:0000:0000:0006::/64 # route toward loopback interface. #ipv6_route_xxx="fec0:0000:0000:0006:: -prefixlen 64 ::1" ipv6_gateway_enable="NO" # Set to YES if this host will be a gateway. ipv6_cpe_wanif="NO" # Set to the upstram interface name if this # node will work as a router to forward IPv6 # packets not explicitly addressed to itself. ipv6_privacy="NO" # Use privacy address on RA-receiving IFs # (RFC 4941) route6d_enable="NO" # Set to YES to enable an IPv6 routing daemon. route6d_program="/usr/sbin/route6d" # Name of IPv6 routing daemon. route6d_flags="" # Flags to IPv6 routing daemon. #route6d_flags="-l" # Example for route6d with only IPv6 site local # addrs. #route6d_flags="-q" # If you want to run a routing daemon on an end # node, you should stop advertisement. #ipv6_network_interfaces="ed0 ep0" # Examples for router # or static configuration for end node. # Choose correct prefix value. #ipv6_prefix_ed0="fec0:0000:0000:0001 fec0:0000:0000:0002" # Examples for rtr. #ipv6_prefix_ep0="fec0:0000:0000:0003 fec0:0000:0000:0004" # Examples for rtr. ipv6_default_interface="NO" # Default output interface for scoped addrs. # This works only with # ipv6_gateway_enable="NO". rtsol_flags="" # Flags to IPv6 router solicitation. rtsold_enable="NO" # Set to YES to enable an IPv6 router # solicitation daemon. rtsold_flags="-a" # Flags to an IPv6 router solicitation # daemon. rtadvd_enable="NO" # Set to YES to enable an IPv6 router # advertisement daemon. If set to YES, # this router becomes a possible candidate # IPv6 default router for local subnets. rtadvd_interfaces="" # Interfaces rtadvd sends RA packets. mroute6d_enable="NO" # Do IPv6 multicast routing. mroute6d_program="/usr/local/sbin/pim6dd" # Name of IPv6 multicast # routing daemon. You need to # install it from package or # port. mroute6d_flags="" # Flags to IPv6 multicast routing daemon. stf_interface_ipv4addr="" # Local IPv4 addr for 6to4 IPv6 over IPv4 # tunneling interface. Specify this entry # to enable 6to4 interface. stf_interface_ipv4plen="0" # Prefix length for 6to4 IPv4 addr, # to limit peer addr range. Effective value # is 0-31. stf_interface_ipv6_ifid="0:0:0:1" # IPv6 interface id for stf0. # If you like, you can set "AUTO" for this. stf_interface_ipv6_slaid="0000" # IPv6 Site Level Aggregator for stf0 ipv6_ipv4mapping="NO" # Set to "YES" to enable IPv4 mapped IPv6 addr # communication. (like ::ffff:a.b.c.d) ipv6_ipfilter_rules="/etc/ipf6.rules" # rules definition file for ipfilter, # see /usr/src/contrib/ipfilter/rules # for examples ip6addrctl_enable="YES" # Set to YES to enable default address selection ip6addrctl_verbose="NO" # Set to YES to enable verbose configuration messages ip6addrctl_policy="AUTO" # A pre-defined address selection policy # (ipv4_prefer, ipv6_prefer, or AUTO) ############################################################## ### System console options ################################# ############################################################## keyboard="" # keyboard device to use (default /dev/kbd0). keymap="NO" # keymap in /usr/share/{syscons,vt}/keymaps/* (or NO). keyrate="NO" # keyboard rate to: slow, normal, fast (or NO). keybell="NO" # See kbdcontrol(1) for options. Use "off" to disable. keychange="NO" # function keys default values (or NO). cursor="NO" # cursor type {normal|blink|destructive} (or NO). scrnmap="NO" # screen map in /usr/share/syscons/scrnmaps/* (or NO). font8x16="NO" # font 8x16 from /usr/share/{syscons,vt}/fonts/* (or NO). font8x14="NO" # font 8x14 from /usr/share/{syscons,vt}/fonts/* (or NO). font8x8="NO" # font 8x8 from /usr/share/{syscons,vt}/fonts/* (or NO). blanktime="300" # blank time (in seconds) or "NO" to turn it off. saver="NO" # screen saver: Uses /boot/kernel/${saver}_saver.ko moused_nondefault_enable="YES" # Treat non-default mice as enabled unless # specifically overriden in rc.conf(5). moused_enable="NO" # Run the mouse daemon. moused_type="auto" # See man page for rc.conf(5) for available settings. moused_port="/dev/psm0" # Set to your mouse port. moused_flags="" # Any additional flags to moused. mousechar_start="NO" # if 0xd0-0xd3 default range is occupied in your # language code table, specify alternative range # start like mousechar_start=3, see vidcontrol(1) allscreens_flags="" # Set this vidcontrol mode for all virtual screens allscreens_kbdflags="" # Set this kbdcontrol mode for all virtual screens ############################################################## ### Mail Transfer Agent (MTA) options ###################### ############################################################## mta_start_script="/etc/rc.sendmail" # Script to start your chosen MTA, called by /etc/rc. # Settings for /etc/rc.sendmail and /etc/rc.d/sendmail: sendmail_enable="NO" # Run the sendmail inbound daemon (YES/NO). sendmail_pidfile="/var/run/sendmail.pid" # sendmail pid file sendmail_procname="/usr/sbin/sendmail" # sendmail process name sendmail_flags="-L sm-mta -bd -q30m" # Flags to sendmail (as a server) sendmail_cert_create="YES" # Create a server certificate if none (YES/NO) #sendmail_cert_cn="CN" # CN of the generate certificate sendmail_submit_enable="YES" # Start a localhost-only MTA for mail submission sendmail_submit_flags="-L sm-mta -bd -q30m -ODaemonPortOptions=Addr=localhost" # Flags for localhost-only MTA sendmail_outbound_enable="YES" # Dequeue stuck mail (YES/NO). sendmail_outbound_flags="-L sm-queue -q30m" # Flags to sendmail (outbound only) sendmail_msp_queue_enable="YES" # Dequeue stuck clientmqueue mail (YES/NO). sendmail_msp_queue_flags="-L sm-msp-queue -Ac -q30m" # Flags for sendmail_msp_queue daemon. sendmail_rebuild_aliases="NO" # Run newaliases if necessary (YES/NO). ############################################################## ### Miscellaneous administrative options ################### ############################################################## auditd_enable="NO" # Run the audit daemon. auditd_program="/usr/sbin/auditd" # Path to the audit daemon. auditd_flags="" # Which options to pass to the audit daemon. auditdistd_enable="NO" # Run the audit daemon. auditdistd_program="/usr/sbin/auditdistd" # Path to the auditdistd daemon. auditdistd_flags="" # Which options to pass to the auditdistd daemon. cron_enable="YES" # Run the periodic job daemon. cron_program="/usr/sbin/cron" # Which cron executable to run (if enabled). cron_dst="YES" # Handle DST transitions intelligently (YES/NO) cron_flags="" # Which options to pass to the cron daemon. lpd_enable="NO" # Run the line printer daemon. lpd_program="/usr/sbin/lpd" # path to lpd, if you want a different one. lpd_flags="" # Flags to lpd (if enabled). nscd_enable="NO" # Run the nsswitch caching daemon. chkprintcap_enable="NO" # Run chkprintcap(8) before running lpd. chkprintcap_flags="-d" # Create missing directories by default. dumpdev="AUTO" # Device to crashdump to (device name, AUTO, or NO). dumpdir="/var/crash" # Directory where crash dumps are to be stored savecore_flags="-m 10" # Used if dumpdev is enabled above, and present. # By default, only the 10 most recent kernel dumps # are saved. crashinfo_enable="YES" # Automatically generate crash dump summary. crashinfo_program="/usr/sbin/crashinfo" # Script to generate crash dump summary. quota_enable="NO" # turn on quotas on startup (or NO). check_quotas="YES" # Check quotas on startup (or NO). quotaon_flags="-a" # Turn quotas on for all file systems (if enabled) quotaoff_flags="-a" # Turn quotas off for all file systems at shutdown quotacheck_flags="-a" # Check all file system quotas (if enabled) accounting_enable="NO" # Turn on process accounting (or NO). ibcs2_enable="NO" # Ibcs2 (SCO) emulation loaded at startup (or NO). ibcs2_loaders="coff" # List of additional Ibcs2 loaders (or NO). firstboot_sentinel="/firstboot" # Scripts with "firstboot" keyword are run if # this file exists. Should be on a R/W filesystem so # the file can be deleted after the boot completes. # Emulation/compatibility services provided by /etc/rc.d/abi sysvipc_enable="NO" # Load System V IPC primitives at startup (or NO). linux_enable="NO" # Linux binary compatibility loaded at startup (or NO). svr4_enable="NO" # SysVR4 emulation loaded at startup (or NO). clear_tmp_enable="NO" # Clear /tmp at startup. clear_tmp_X="YES" # Clear and recreate X11-related directories in /tmp ldconfig_insecure="NO" # Set to YES to disable ldconfig security checks ldconfig_paths="/usr/lib/compat /usr/local/lib /usr/local/lib/compat/pkg" # shared library search paths ldconfig32_paths="/usr/lib32 /usr/lib32/compat" # 32-bit compatibility shared library search paths ldconfig_paths_aout="/usr/lib/compat/aout /usr/local/lib/aout" # a.out shared library search paths ldconfig_local_dirs="/usr/local/libdata/ldconfig" # Local directories with ldconfig configuration files. ldconfig_local32_dirs="/usr/local/libdata/ldconfig32" # Local directories with 32-bit compatibility ldconfig # configuration files. kern_securelevel_enable="NO" # kernel security level (see security(7)) kern_securelevel="-1" # range: -1..3 ; `-1' is the most insecure # Note that setting securelevel to 0 will result # in the system booting with securelevel set to 1, as # init(8) will raise the level when rc(8) completes. update_motd="YES" # update version info in /etc/motd (or NO) entropy_boot_file="/boot/entropy" # Set to NO to disable very early # (used at early boot time) entropy caching through reboots. entropy_file="/entropy" # Set to NO to disable late (used when going multi-user) # entropy through reboots. # /var/db/entropy-file is preferred if / is not avail. entropy_dir="/var/db/entropy" # Set to NO to disable caching entropy via cron. entropy_save_sz="4096" # Size of the entropy cache files. entropy_save_num="8" # Number of entropy cache files to save. harvest_mask="511" # Entropy device harvests all but the very invasive sources. # (See 'sysctl kern.random.harvest' and random(4)) dmesg_enable="YES" # Save dmesg(8) to /var/run/dmesg.boot watchdogd_enable="NO" # Start the software watchdog daemon watchdogd_flags="" # Flags to watchdogd (if enabled) devfs_rulesets="/etc/defaults/devfs.rules /etc/devfs.rules" # Files containing # devfs(8) rules. devfs_system_ruleset="" # The name (NOT number) of a ruleset to apply to /dev devfs_set_rulesets="" # A list of /mount/dev=ruleset_name settings to # apply (must be mounted already, i.e. fstab(5)) devfs_load_rulesets="YES" # Enable to always load the default rulesets performance_cx_lowest="C2" # Online CPU idle state performance_cpu_freq="NONE" # Online CPU frequency economy_cx_lowest="Cmax" # Offline CPU idle state economy_cpu_freq="NONE" # Offline CPU frequency virecover_enable="YES" # Perform housekeeping for the vi(1) editor ugidfw_enable="NO" # Load mac_bsdextended(4) rules on boot bsdextended_script="/etc/rc.bsdextended" # Default mac_bsdextended(4) # ruleset file. newsyslog_enable="YES" # Run newsyslog at startup. newsyslog_flags="-CN" # Newsyslog flags to create marked files mixer_enable="YES" # Run the sound mixer. opensm_enable="NO" # Opensm(8) for infiniband devices defaults to off casperd_enable="YES" # casperd(8) daemon # rctl(8) requires kernel options RACCT and RCTL rctl_enable="YES" # Load rctl(8) rules on boot rctl_rules="/etc/rctl.conf" # rctl(8) ruleset. See rctl.conf(5). iovctl_files="" # Config files for iovctl(8) ############################################################## ### Jail Configuration (see rc.conf(5) manual page) ########## ############################################################## jail_enable="NO" # Set to NO to disable starting of any jails jail_parallel_start="NO" # Start jails in the background jail_list="" # Space separated list of names of jails ############################################################## ### Define source_rc_confs, the mechanism used by /etc/rc.* ## ### scripts to source rc_conf_files overrides safely. ## ############################################################## if [ -z "${source_rc_confs_defined}" ]; then source_rc_confs_defined=yes source_rc_confs() { local i sourced_files for i in ${rc_conf_files}; do case ${sourced_files} in *:$i:*) ;; *) sourced_files="${sourced_files}:$i:" if [ -r $i ]; then . $i fi ;; esac done } fi Index: head/etc/rc.d/mountcritlocal =================================================================== --- head/etc/rc.d/mountcritlocal (revision 290196) +++ head/etc/rc.d/mountcritlocal (revision 290197) @@ -1,54 +1,88 @@ #!/bin/sh # # $FreeBSD$ # # PROVIDE: mountcritlocal # REQUIRE: root hostid_save mdconfig # KEYWORD: nojail shutdown . /etc/rc.subr name="mountcritlocal" start_cmd="mountcritlocal_start" stop_cmd=sync mountcritlocal_start() { - local err + local err holders waited # Set up the list of network filesystem types for which mounting # should be delayed until after network initialization. case ${extra_netfs_types} in [Nn][Oo]) ;; *) netfs_types="${netfs_types} ${extra_netfs_types}" ;; esac # Mount everything except nfs filesystems. check_startmsgs && echo -n 'Mounting local file systems:' mount_excludes='no' for i in ${netfs_types}; do fstype=${i%:*} mount_excludes="${mount_excludes}${fstype}," done mount_excludes=${mount_excludes%,} + + # Originally, root mount hold had to be released before mounting the root + # filesystem. This delayed the boot, so it was changed to only wait if + # the root device isn't readily available. This can result in this script + # executing before all the devices - such as graid(8) - are available. + # Thus, should the mount fail, we will wait for the root mount hold release + # and retry. mount -a -t ${mount_excludes} err=$? + if [ $? -ne 0 ]; then + echo + echo 'Mounting /etc/fstab filesystems failed,' \ + 'will retry after root mount hold release' + + waited=0 + while [ ${waited} -lt ${root_hold_delay} ]; do + holders="$(sysctl -n vfs.root_mount_hold)" + if [ -z "${holders}" ]; then + break; + fi + if [ ${waited} -eq 0 ]; then + echo -n "Waiting ${root_hold_delay}s" \ + "for the root mount holders: ${holders}" + else + echo -n . + fi + if [ ${waited} -eq ${root_hold_delay} ]; then + break 2 + fi + sleep 1 + waited=$(($waited + 1)) + done + mount -a -t ${mount_excludes} + err=$? + fi + check_startmsgs && echo '.' case ${err} in 0) ;; *) echo 'Mounting /etc/fstab filesystems failed,' \ - ' startup aborted' + 'startup aborted' stop_boot true ;; esac } load_rc_config $name run_rc_command "$1" Index: head/sys/kern/vfs_mountroot.c =================================================================== --- head/sys/kern/vfs_mountroot.c (revision 290196) +++ head/sys/kern/vfs_mountroot.c (revision 290197) @@ -1,1072 +1,1102 @@ /*- * Copyright (c) 2010 Marcel Moolenaar * Copyright (c) 1999-2004 Poul-Henning Kamp * Copyright (c) 1999 Michael Smith * Copyright (c) 1989, 1993 * The Regents of the University of California. All rights reserved. * (c) UNIX System Laboratories, Inc. * All or some portions of this file are derived from material licensed * to the University of California by American Telephone and Telegraph * Co. or Unix System Laboratories, Inc. and are reproduced herein with * the permission of UNIX System Laboratories, Inc. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include "opt_rootdevname.h" #include __FBSDID("$FreeBSD$"); #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include /* * The root filesystem is detailed in the kernel environment variable * vfs.root.mountfrom, which is expected to be in the general format * * :[][ :[] ...] * vfsname := the name of a VFS known to the kernel and capable * of being mounted as root * path := disk device name or other data used by the filesystem * to locate its physical store * * If the environment variable vfs.root.mountfrom is a space separated list, * each list element is tried in turn and the root filesystem will be mounted * from the first one that suceeds. * * The environment variable vfs.root.mountfrom.options is a comma delimited * set of string mount options. These mount options must be parseable * by nmount() in the kernel. */ static int parse_mount(char **); static struct mntarg *parse_mountroot_options(struct mntarg *, const char *); +static int sysctl_vfs_root_mount_hold(SYSCTL_HANDLER_ARGS); static int vfs_mountroot_wait_if_neccessary(const char *fs, const char *dev); /* * The vnode of the system's root (/ in the filesystem, without chroot * active.) */ struct vnode *rootvnode; /* * Mount of the system's /dev. */ struct mount *rootdevmp; char *rootdevnames[2] = {NULL, NULL}; struct mtx root_holds_mtx; MTX_SYSINIT(root_holds, &root_holds_mtx, "root_holds", MTX_DEF); struct root_hold_token { const char *who; LIST_ENTRY(root_hold_token) list; }; static LIST_HEAD(, root_hold_token) root_holds = LIST_HEAD_INITIALIZER(root_holds); enum action { A_CONTINUE, A_PANIC, A_REBOOT, A_RETRY }; static enum action root_mount_onfail = A_CONTINUE; static int root_mount_mddev; static int root_mount_complete; /* By default wait up to 3 seconds for devices to appear. */ static int root_mount_timeout = 3; TUNABLE_INT("vfs.mountroot.timeout", &root_mount_timeout); + +SYSCTL_PROC(_vfs, OID_AUTO, root_mount_hold, + CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, + NULL, 0, sysctl_vfs_root_mount_hold, "A", + "List of root mount hold tokens"); + +static int +sysctl_vfs_root_mount_hold(SYSCTL_HANDLER_ARGS) +{ + struct sbuf sb; + struct root_hold_token *h; + int error; + + sbuf_new(&sb, NULL, 256, SBUF_AUTOEXTEND | SBUF_INCLUDENUL); + + mtx_lock(&root_holds_mtx); + LIST_FOREACH(h, &root_holds, list) { + if (h != LIST_FIRST(&root_holds)) + sbuf_putc(&sb, ' '); + sbuf_printf(&sb, "%s", h->who); + } + mtx_unlock(&root_holds_mtx); + + error = sbuf_finish(&sb); + if (error == 0) + error = SYSCTL_OUT(req, sbuf_data(&sb), sbuf_len(&sb)); + sbuf_delete(&sb); + return (error); +} struct root_hold_token * root_mount_hold(const char *identifier) { struct root_hold_token *h; if (root_mounted()) return (NULL); h = malloc(sizeof *h, M_DEVBUF, M_ZERO | M_WAITOK); h->who = identifier; mtx_lock(&root_holds_mtx); LIST_INSERT_HEAD(&root_holds, h, list); mtx_unlock(&root_holds_mtx); return (h); } void root_mount_rel(struct root_hold_token *h) { if (h == NULL) return; mtx_lock(&root_holds_mtx); LIST_REMOVE(h, list); wakeup(&root_holds); mtx_unlock(&root_holds_mtx); free(h, M_DEVBUF); } int root_mounted(void) { /* No mutex is acquired here because int stores are atomic. */ return (root_mount_complete); } static void set_rootvnode(void) { struct proc *p; if (VFS_ROOT(TAILQ_FIRST(&mountlist), LK_EXCLUSIVE, &rootvnode)) panic("Cannot find root vnode"); VOP_UNLOCK(rootvnode, 0); p = curthread->td_proc; FILEDESC_XLOCK(p->p_fd); if (p->p_fd->fd_cdir != NULL) vrele(p->p_fd->fd_cdir); p->p_fd->fd_cdir = rootvnode; VREF(rootvnode); if (p->p_fd->fd_rdir != NULL) vrele(p->p_fd->fd_rdir); p->p_fd->fd_rdir = rootvnode; VREF(rootvnode); FILEDESC_XUNLOCK(p->p_fd); } static int vfs_mountroot_devfs(struct thread *td, struct mount **mpp) { struct vfsoptlist *opts; struct vfsconf *vfsp; struct mount *mp; int error; *mpp = NULL; if (rootdevmp != NULL) { /* * Already have /dev; this happens during rerooting. */ error = vfs_busy(rootdevmp, 0); if (error != 0) return (error); *mpp = rootdevmp; } else { vfsp = vfs_byname("devfs"); KASSERT(vfsp != NULL, ("Could not find devfs by name")); if (vfsp == NULL) return (ENOENT); mp = vfs_mount_alloc(NULLVP, vfsp, "/dev", td->td_ucred); error = VFS_MOUNT(mp); KASSERT(error == 0, ("VFS_MOUNT(devfs) failed %d", error)); if (error) return (error); opts = malloc(sizeof(struct vfsoptlist), M_MOUNT, M_WAITOK); TAILQ_INIT(opts); mp->mnt_opt = opts; mtx_lock(&mountlist_mtx); TAILQ_INSERT_HEAD(&mountlist, mp, mnt_list); mtx_unlock(&mountlist_mtx); *mpp = mp; rootdevmp = mp; } set_rootvnode(); error = kern_symlinkat(td, "/", AT_FDCWD, "dev", UIO_SYSSPACE); if (error) printf("kern_symlink /dev -> / returns %d\n", error); return (error); } static void vfs_mountroot_shuffle(struct thread *td, struct mount *mpdevfs) { struct nameidata nd; struct mount *mporoot, *mpnroot; struct vnode *vp, *vporoot, *vpdevfs; char *fspath; int error; mpnroot = TAILQ_NEXT(mpdevfs, mnt_list); /* Shuffle the mountlist. */ mtx_lock(&mountlist_mtx); mporoot = TAILQ_FIRST(&mountlist); TAILQ_REMOVE(&mountlist, mpdevfs, mnt_list); if (mporoot != mpdevfs) { TAILQ_REMOVE(&mountlist, mpnroot, mnt_list); TAILQ_INSERT_HEAD(&mountlist, mpnroot, mnt_list); } TAILQ_INSERT_TAIL(&mountlist, mpdevfs, mnt_list); mtx_unlock(&mountlist_mtx); cache_purgevfs(mporoot); if (mporoot != mpdevfs) cache_purgevfs(mpdevfs); VFS_ROOT(mporoot, LK_EXCLUSIVE, &vporoot); VI_LOCK(vporoot); vporoot->v_iflag &= ~VI_MOUNT; VI_UNLOCK(vporoot); vporoot->v_mountedhere = NULL; mporoot->mnt_flag &= ~MNT_ROOTFS; mporoot->mnt_vnodecovered = NULL; vput(vporoot); /* Set up the new rootvnode, and purge the cache */ mpnroot->mnt_vnodecovered = NULL; set_rootvnode(); cache_purgevfs(rootvnode->v_mount); if (mporoot != mpdevfs) { /* Remount old root under /.mount or /mnt */ fspath = "/.mount"; NDINIT(&nd, LOOKUP, FOLLOW | LOCKLEAF, UIO_SYSSPACE, fspath, td); error = namei(&nd); if (error) { NDFREE(&nd, NDF_ONLY_PNBUF); fspath = "/mnt"; NDINIT(&nd, LOOKUP, FOLLOW | LOCKLEAF, UIO_SYSSPACE, fspath, td); error = namei(&nd); } if (!error) { vp = nd.ni_vp; error = (vp->v_type == VDIR) ? 0 : ENOTDIR; if (!error) error = vinvalbuf(vp, V_SAVE, 0, 0); if (!error) { cache_purge(vp); mporoot->mnt_vnodecovered = vp; vp->v_mountedhere = mporoot; strlcpy(mporoot->mnt_stat.f_mntonname, fspath, MNAMELEN); VOP_UNLOCK(vp, 0); } else vput(vp); } NDFREE(&nd, NDF_ONLY_PNBUF); if (error && bootverbose) printf("mountroot: unable to remount previous root " "under /.mount or /mnt (error %d).\n", error); } /* Remount devfs under /dev */ NDINIT(&nd, LOOKUP, FOLLOW | LOCKLEAF, UIO_SYSSPACE, "/dev", td); error = namei(&nd); if (!error) { vp = nd.ni_vp; error = (vp->v_type == VDIR) ? 0 : ENOTDIR; if (!error) error = vinvalbuf(vp, V_SAVE, 0, 0); if (!error) { vpdevfs = mpdevfs->mnt_vnodecovered; if (vpdevfs != NULL) { cache_purge(vpdevfs); vpdevfs->v_mountedhere = NULL; vrele(vpdevfs); } mpdevfs->mnt_vnodecovered = vp; vp->v_mountedhere = mpdevfs; VOP_UNLOCK(vp, 0); } else vput(vp); } if (error && bootverbose) printf("mountroot: unable to remount devfs under /dev " "(error %d).\n", error); NDFREE(&nd, NDF_ONLY_PNBUF); if (mporoot == mpdevfs) { vfs_unbusy(mpdevfs); /* Unlink the no longer needed /dev/dev -> / symlink */ error = kern_unlinkat(td, AT_FDCWD, "/dev/dev", UIO_SYSSPACE, 0); if (error && bootverbose) printf("mountroot: unable to unlink /dev/dev " "(error %d)\n", error); } } /* * Configuration parser. */ /* Parser character classes. */ #define CC_WHITESPACE -1 #define CC_NONWHITESPACE -2 /* Parse errors. */ #define PE_EOF -1 #define PE_EOL -2 static __inline int parse_peek(char **conf) { return (**conf); } static __inline void parse_poke(char **conf, int c) { **conf = c; } static __inline void parse_advance(char **conf) { (*conf)++; } static int parse_skipto(char **conf, int mc) { int c, match; while (1) { c = parse_peek(conf); if (c == 0) return (PE_EOF); switch (mc) { case CC_WHITESPACE: match = (c == ' ' || c == '\t' || c == '\n') ? 1 : 0; break; case CC_NONWHITESPACE: if (c == '\n') return (PE_EOL); match = (c != ' ' && c != '\t') ? 1 : 0; break; default: match = (c == mc) ? 1 : 0; break; } if (match) break; parse_advance(conf); } return (0); } static int parse_token(char **conf, char **tok) { char *p; size_t len; int error; *tok = NULL; error = parse_skipto(conf, CC_NONWHITESPACE); if (error) return (error); p = *conf; error = parse_skipto(conf, CC_WHITESPACE); len = *conf - p; *tok = malloc(len + 1, M_TEMP, M_WAITOK | M_ZERO); bcopy(p, *tok, len); return (0); } static void parse_dir_ask_printenv(const char *var) { char *val; val = kern_getenv(var); if (val != NULL) { printf(" %s=%s\n", var, val); freeenv(val); } } static int parse_dir_ask(char **conf) { char name[80]; char *mnt; int error; printf("\nLoader variables:\n"); parse_dir_ask_printenv("vfs.root.mountfrom"); parse_dir_ask_printenv("vfs.root.mountfrom.options"); printf("\nManual root filesystem specification:\n"); printf(" : [options]\n"); printf(" Mount using filesystem \n"); printf(" and with the specified (optional) option list.\n"); printf("\n"); printf(" eg. ufs:/dev/da0s1a\n"); printf(" zfs:tank\n"); printf(" cd9660:/dev/cd0 ro\n"); printf(" (which is equivalent to: "); printf("mount -t cd9660 -o ro /dev/cd0 /)\n"); printf("\n"); printf(" ? List valid disk boot devices\n"); printf(" . Yield 1 second (for background tasks)\n"); printf(" Abort manual input\n"); do { error = EINVAL; printf("\nmountroot> "); cngets(name, sizeof(name), GETS_ECHO); if (name[0] == '\0') break; if (name[0] == '?' && name[1] == '\0') { printf("\nList of GEOM managed disk devices:\n "); g_dev_print(); continue; } if (name[0] == '.' && name[1] == '\0') { pause("rmask", hz); continue; } mnt = name; error = parse_mount(&mnt); if (error == -1) printf("Invalid file system specification.\n"); } while (error != 0); return (error); } static int parse_dir_md(char **conf) { struct stat sb; struct thread *td; struct md_ioctl *mdio; char *path, *tok; int error, fd, len; td = curthread; error = parse_token(conf, &tok); if (error) return (error); len = strlen(tok); mdio = malloc(sizeof(*mdio) + len + 1, M_TEMP, M_WAITOK | M_ZERO); path = (void *)(mdio + 1); bcopy(tok, path, len); free(tok, M_TEMP); /* Get file status. */ error = kern_statat(td, 0, AT_FDCWD, path, UIO_SYSSPACE, &sb, NULL); if (error) goto out; /* Open /dev/mdctl so that we can attach/detach. */ error = kern_openat(td, AT_FDCWD, "/dev/" MDCTL_NAME, UIO_SYSSPACE, O_RDWR, 0); if (error) goto out; fd = td->td_retval[0]; mdio->md_version = MDIOVERSION; mdio->md_type = MD_VNODE; if (root_mount_mddev != -1) { mdio->md_unit = root_mount_mddev; DROP_GIANT(); error = kern_ioctl(td, fd, MDIOCDETACH, (void *)mdio); PICKUP_GIANT(); /* Ignore errors. We don't care. */ root_mount_mddev = -1; } mdio->md_file = (void *)(mdio + 1); mdio->md_options = MD_AUTOUNIT | MD_READONLY; mdio->md_mediasize = sb.st_size; mdio->md_unit = 0; DROP_GIANT(); error = kern_ioctl(td, fd, MDIOCATTACH, (void *)mdio); PICKUP_GIANT(); if (error) goto out; if (mdio->md_unit > 9) { printf("rootmount: too many md units\n"); mdio->md_file = NULL; mdio->md_options = 0; mdio->md_mediasize = 0; DROP_GIANT(); error = kern_ioctl(td, fd, MDIOCDETACH, (void *)mdio); PICKUP_GIANT(); /* Ignore errors. We don't care. */ error = ERANGE; goto out; } root_mount_mddev = mdio->md_unit; printf(MD_NAME "%u attached to %s\n", root_mount_mddev, mdio->md_file); error = kern_close(td, fd); out: free(mdio, M_TEMP); return (error); } static int parse_dir_onfail(char **conf) { char *action; int error; error = parse_token(conf, &action); if (error) return (error); if (!strcmp(action, "continue")) root_mount_onfail = A_CONTINUE; else if (!strcmp(action, "panic")) root_mount_onfail = A_PANIC; else if (!strcmp(action, "reboot")) root_mount_onfail = A_REBOOT; else if (!strcmp(action, "retry")) root_mount_onfail = A_RETRY; else { printf("rootmount: %s: unknown action\n", action); error = EINVAL; } free(action, M_TEMP); return (0); } static int parse_dir_timeout(char **conf) { char *tok, *endtok; long secs; int error; error = parse_token(conf, &tok); if (error) return (error); secs = strtol(tok, &endtok, 0); error = (secs < 0 || *endtok != '\0') ? EINVAL : 0; if (!error) root_mount_timeout = secs; free(tok, M_TEMP); return (error); } static int parse_directive(char **conf) { char *dir; int error; error = parse_token(conf, &dir); if (error) return (error); if (strcmp(dir, ".ask") == 0) error = parse_dir_ask(conf); else if (strcmp(dir, ".md") == 0) error = parse_dir_md(conf); else if (strcmp(dir, ".onfail") == 0) error = parse_dir_onfail(conf); else if (strcmp(dir, ".timeout") == 0) error = parse_dir_timeout(conf); else { printf("mountroot: invalid directive `%s'\n", dir); /* Ignore the rest of the line. */ (void)parse_skipto(conf, '\n'); error = EINVAL; } free(dir, M_TEMP); return (error); } static int parse_mount_dev_present(const char *dev) { struct nameidata nd; int error; NDINIT(&nd, LOOKUP, FOLLOW | LOCKLEAF, UIO_SYSSPACE, dev, curthread); error = namei(&nd); if (!error) vput(nd.ni_vp); NDFREE(&nd, NDF_ONLY_PNBUF); return (error != 0) ? 0 : 1; } #define ERRMSGL 255 static int parse_mount(char **conf) { char *errmsg; struct mntarg *ma; char *dev, *fs, *opts, *tok; int error; error = parse_token(conf, &tok); if (error) return (error); fs = tok; error = parse_skipto(&tok, ':'); if (error) { free(fs, M_TEMP); return (error); } parse_poke(&tok, '\0'); parse_advance(&tok); dev = tok; if (root_mount_mddev != -1) { /* Handle substitution for the md unit number. */ tok = strstr(dev, "md#"); if (tok != NULL) tok[2] = '0' + root_mount_mddev; } /* Parse options. */ error = parse_token(conf, &tok); opts = (error == 0) ? tok : NULL; printf("Trying to mount root from %s:%s [%s]...\n", fs, dev, (opts != NULL) ? opts : ""); errmsg = malloc(ERRMSGL, M_TEMP, M_WAITOK | M_ZERO); if (vfs_byname(fs) == NULL) { strlcpy(errmsg, "unknown file system", ERRMSGL); error = ENOENT; goto out; } error = vfs_mountroot_wait_if_neccessary(fs, dev); if (error != 0) goto out; ma = NULL; ma = mount_arg(ma, "fstype", fs, -1); ma = mount_arg(ma, "fspath", "/", -1); ma = mount_arg(ma, "from", dev, -1); ma = mount_arg(ma, "errmsg", errmsg, ERRMSGL); ma = mount_arg(ma, "ro", NULL, 0); ma = parse_mountroot_options(ma, opts); error = kernel_mount(ma, MNT_ROOTFS); out: if (error) { printf("Mounting from %s:%s failed with error %d", fs, dev, error); if (errmsg[0] != '\0') printf(": %s", errmsg); printf(".\n"); } free(fs, M_TEMP); free(errmsg, M_TEMP); if (opts != NULL) free(opts, M_TEMP); /* kernel_mount can return -1 on error. */ return ((error < 0) ? EDOOFUS : error); } #undef ERRMSGL static int vfs_mountroot_parse(struct sbuf *sb, struct mount *mpdevfs) { struct mount *mp; char *conf; int error; root_mount_mddev = -1; retry: conf = sbuf_data(sb); mp = TAILQ_NEXT(mpdevfs, mnt_list); error = (mp == NULL) ? 0 : EDOOFUS; root_mount_onfail = A_CONTINUE; while (mp == NULL) { error = parse_skipto(&conf, CC_NONWHITESPACE); if (error == PE_EOL) { parse_advance(&conf); continue; } if (error < 0) break; switch (parse_peek(&conf)) { case '#': error = parse_skipto(&conf, '\n'); break; case '.': error = parse_directive(&conf); break; default: error = parse_mount(&conf); if (error == -1) { printf("mountroot: invalid file system " "specification.\n"); error = 0; } break; } if (error < 0) break; /* Ignore any trailing garbage on the line. */ if (parse_peek(&conf) != '\n') { printf("mountroot: advancing to next directive...\n"); (void)parse_skipto(&conf, '\n'); } mp = TAILQ_NEXT(mpdevfs, mnt_list); } if (mp != NULL) return (0); /* * We failed to mount (a new) root. */ switch (root_mount_onfail) { case A_CONTINUE: break; case A_PANIC: panic("mountroot: unable to (re-)mount root."); /* NOTREACHED */ case A_RETRY: goto retry; case A_REBOOT: kern_reboot(RB_NOSYNC); /* NOTREACHED */ } return (error); } static void vfs_mountroot_conf0(struct sbuf *sb) { char *s, *tok, *mnt, *opt; int error; sbuf_printf(sb, ".onfail panic\n"); sbuf_printf(sb, ".timeout %d\n", root_mount_timeout); if (boothowto & RB_ASKNAME) sbuf_printf(sb, ".ask\n"); #ifdef ROOTDEVNAME if (boothowto & RB_DFLTROOT) sbuf_printf(sb, "%s\n", ROOTDEVNAME); #endif if (boothowto & RB_CDROM) { sbuf_printf(sb, "cd9660:/dev/cd0 ro\n"); sbuf_printf(sb, ".timeout 0\n"); sbuf_printf(sb, "cd9660:/dev/cd1 ro\n"); sbuf_printf(sb, ".timeout %d\n", root_mount_timeout); } s = kern_getenv("vfs.root.mountfrom"); if (s != NULL) { opt = kern_getenv("vfs.root.mountfrom.options"); tok = s; error = parse_token(&tok, &mnt); while (!error) { sbuf_printf(sb, "%s %s\n", mnt, (opt != NULL) ? opt : ""); free(mnt, M_TEMP); error = parse_token(&tok, &mnt); } if (opt != NULL) freeenv(opt); freeenv(s); } if (rootdevnames[0] != NULL) sbuf_printf(sb, "%s\n", rootdevnames[0]); if (rootdevnames[1] != NULL) sbuf_printf(sb, "%s\n", rootdevnames[1]); #ifdef ROOTDEVNAME if (!(boothowto & RB_DFLTROOT)) sbuf_printf(sb, "%s\n", ROOTDEVNAME); #endif if (!(boothowto & RB_ASKNAME)) sbuf_printf(sb, ".ask\n"); } static int vfs_mountroot_readconf(struct thread *td, struct sbuf *sb) { static char buf[128]; struct nameidata nd; off_t ofs; ssize_t resid; int error, flags, len; NDINIT(&nd, LOOKUP, FOLLOW, UIO_SYSSPACE, "/.mount.conf", td); flags = FREAD; error = vn_open(&nd, &flags, 0, NULL); if (error) return (error); NDFREE(&nd, NDF_ONLY_PNBUF); ofs = 0; len = sizeof(buf) - 1; while (1) { error = vn_rdwr(UIO_READ, nd.ni_vp, buf, len, ofs, UIO_SYSSPACE, IO_NODELOCKED, td->td_ucred, NOCRED, &resid, td); if (error) break; if (resid == len) break; buf[len - resid] = 0; sbuf_printf(sb, "%s", buf); ofs += len - resid; } VOP_UNLOCK(nd.ni_vp, 0); vn_close(nd.ni_vp, FREAD, td->td_ucred, td); return (error); } static void vfs_mountroot_wait(void) { struct root_hold_token *h; struct timeval lastfail; int curfail; curfail = 0; while (1) { DROP_GIANT(); g_waitidle(); PICKUP_GIANT(); mtx_lock(&root_holds_mtx); if (LIST_EMPTY(&root_holds)) { mtx_unlock(&root_holds_mtx); break; } if (ppsratecheck(&lastfail, &curfail, 1)) { printf("Root mount waiting for:"); LIST_FOREACH(h, &root_holds, list) printf(" %s", h->who); printf("\n"); } msleep(&root_holds, &root_holds_mtx, PZERO | PDROP, "roothold", hz); } } static int vfs_mountroot_wait_if_neccessary(const char *fs, const char *dev) { int delay, timeout; /* * In case of ZFS and NFS we don't have a way to wait for * specific device. */ if (strcmp(fs, "zfs") == 0 || strstr(fs, "nfs") != NULL || dev[0] == '\0') { vfs_mountroot_wait(); return (0); } /* * Otherwise, no point in waiting if the device is already there. * Note that we must wait for GEOM to finish reconfiguring itself, * eg for geom_part(4) to finish tasting. */ DROP_GIANT(); g_waitidle(); PICKUP_GIANT(); if (parse_mount_dev_present(dev)) return (0); /* * No luck. Let's wait. This code looks weird, but it's that way * to behave exactly as it used to work before. */ vfs_mountroot_wait(); printf("mountroot: waiting for device %s...\n", dev); delay = hz / 10; timeout = root_mount_timeout * hz; do { pause("rmdev", delay); timeout -= delay; } while (timeout > 0 && !parse_mount_dev_present(dev)); if (timeout <= 0) return (ENODEV); return (0); } void vfs_mountroot(void) { struct mount *mp; struct sbuf *sb; struct thread *td; time_t timebase; int error; td = curthread; sb = sbuf_new_auto(); vfs_mountroot_conf0(sb); sbuf_finish(sb); error = vfs_mountroot_devfs(td, &mp); while (!error) { error = vfs_mountroot_parse(sb, mp); if (!error) { vfs_mountroot_shuffle(td, mp); sbuf_clear(sb); error = vfs_mountroot_readconf(td, sb); sbuf_finish(sb); } } sbuf_delete(sb); /* * Iterate over all currently mounted file systems and use * the time stamp found to check and/or initialize the RTC. * Call inittodr() only once and pass it the largest of the * timestamps we encounter. */ timebase = 0; mtx_lock(&mountlist_mtx); mp = TAILQ_FIRST(&mountlist); while (mp != NULL) { if (mp->mnt_time > timebase) timebase = mp->mnt_time; mp = TAILQ_NEXT(mp, mnt_list); } mtx_unlock(&mountlist_mtx); inittodr(timebase); /* Keep prison0's root in sync with the global rootvnode. */ mtx_lock(&prison0.pr_mtx); prison0.pr_root = rootvnode; vref(prison0.pr_root); mtx_unlock(&prison0.pr_mtx); mtx_lock(&root_holds_mtx); atomic_store_rel_int(&root_mount_complete, 1); wakeup(&root_mount_complete); mtx_unlock(&root_holds_mtx); EVENTHANDLER_INVOKE(mountroot); } static struct mntarg * parse_mountroot_options(struct mntarg *ma, const char *options) { char *p; char *name, *name_arg; char *val, *val_arg; char *opts; if (options == NULL || options[0] == '\0') return (ma); p = opts = strdup(options, M_MOUNT); if (opts == NULL) { return (ma); } while((name = strsep(&p, ",")) != NULL) { if (name[0] == '\0') break; val = strchr(name, '='); if (val != NULL) { *val = '\0'; ++val; } if( strcmp(name, "rw") == 0 || strcmp(name, "noro") == 0) { /* * The first time we mount the root file system, * we need to mount 'ro', so We need to ignore * 'rw' and 'noro' mount options. */ continue; } name_arg = strdup(name, M_MOUNT); val_arg = NULL; if (val != NULL) val_arg = strdup(val, M_MOUNT); ma = mount_arg(ma, name_arg, val_arg, (val_arg != NULL ? -1 : 0)); } free(opts, M_MOUNT); return (ma); }