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7323adac99
accessing files from various types of media nice and abstracted away from the wet-work involved in preparing, validating, and initializing those types of media. This will be used for the package management system module and other modules that need access to files and want to allow the user to decide where those files come from (either in a scripted fashion, prompted fashion, or any combination thereof). Heavily inspired by sysinstall and even uses the same reserved words so that scripts are portable. Coded over months, tested continuously through- out, and reviewed several times. Some notes about the changes: - Move network-setting acquisition/validation routines to media/tcpip.subr - The options screen from sysinstall has been converted to a dialog menu - The "UFS" media choice is renamed to "Directory" to reflect how sysinstall treats the choice and a new [true] "UFS" media choice has been added that acts on real UFS partitions (such as external disks with disklabels). - Many more help files have been resurrected from sysinstall (I noticed that some of the content seems a bit dated; I gave them a once-over but they could really use an update). - A total of 10 media choices are presented (via mediaGetType) including: CD/DVD, FTP, FTP Passive, HTTP Proxy, Directory, NFS, DOS, UFS, Floppy, USB - Novel struct/device management layer for managing the issue of passing more information than can comfortably fit in an argument list.
183 lines
6.0 KiB
Plaintext
183 lines
6.0 KiB
Plaintext
if [ ! "$_MEDIA_NETWORK_SUBR" ]; then _MEDIA_NETWORK_SUBR=1
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#
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# Copyright (c) 2012-2013 Devin Teske
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# All Rights Reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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# $FreeBSD$
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#
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############################################################ INCLUDES
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BSDCFG_SHARE="/usr/share/bsdconfig"
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. $BSDCFG_SHARE/common.subr || exit 1
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f_dprintf "%s: loading includes..." media/network.subr
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f_include $BSDCFG_SHARE/dialog.subr
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f_include $BSDCFG_SHARE/media/tcpip.subr
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BSDCFG_LIBE="/usr/libexec/bsdconfig"
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f_include_lang $BSDCFG_LIBE/include/messages.subr
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############################################################ GLOBALS
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NETWORK_INITIALIZED=
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############################################################ FUNCTIONS
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# f_media_init_network $device
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#
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# Initialize a network device (such as `fxp0', `em0', etc.). Returns success if
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# able to successfully initialize the device. If not running as init (basically
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# from the FreeBSD install media) then assume that the network has already been
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# initialized and returns success.
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#
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# The variables (from variable.subr) used to initialize the network are as
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# follows (all of which are configured either automatically or manaully):
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#
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# VAR_IFCONFIG + device_name (e.g., `ifconfig_em0')
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# Automatically populated but can be overridden in a script. This
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# defines the ifconfig(8) properties specific to a chosen network
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# interface device. Optional if VAR_IPV6ADDR is set.
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# VAR_IPV6ADDR [Optional]
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# If not running as init (and setting up RTSOL connections for
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# the interface), then must be set manually. If set, used as the
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# IPv6 configuration for the given network interface device.
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# VAR_GATEWAY [Optional]
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# If not running as init (and setting up a static connection for
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# the interface) then must be set (usually via rc.conf(5), but
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# can be set manually to override). If unset, the user is warned
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# but not prevented from proceeding (as most connections need a
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# default route but not everyone).
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#
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f_media_init_network()
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{
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local dev="$1"
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f_dprintf "Init routine called for network device \`%s'." "$dev"
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if [ "$NETWORK_INITIALIZED" ]; then
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f_dprintf "Network already initialized."
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return $SUCCESS
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elif ! f_running_as_init; then
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f_dprintf "Not running as init -- calling the deed done."
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NETWORK_INITIALIZED=1
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return $SUCCESS
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fi
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if [ ! -e "$RESOLV_CONF" ]; then
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if ! f_config_resolv; then
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f_show_msg "$msg_cant_seem_to_write_out_resolv_conf" \
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"$RESOLV_CONF"
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return $FAILURE
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fi
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fi
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local cp
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if f_getvar $VAR_IFCONFIG$dev cp; then
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#
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# If this interface isn't a DHCP one, bring it up.
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# If it is, then it's already up.
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#
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case "$cp" in
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*DHCP*)
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f_dprintf "A DHCP interface. Should already be up."
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;;
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*)
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f_dprintf "Not a DHCP interface."
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if ! f_quietly ifconfig "$dev" $cp; then
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f_show_msg "$msg_unable_to_configure_device" \
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"$dev"
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return $FAILURE
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fi
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local rp
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f_getvar $VAR_GATEWAY rp
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if [ ! "$rp" ]; then
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f_dialog_msgbox "$msg_no_gateway_has_been_set"
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else
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#
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# Explicitly flush all routes to get back to a
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# known sane state. We don't need to check this
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# exit code because if anything fails it will
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# show up in the route add below.
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#
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f_quietly route -n flush
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f_dprintf "Adding default route to %s." "$rp"
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if ! f_quietly route -n add default "$rp"; then
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f_dialog_msgbox \
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"$msg_failed_to_add_default_route"
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return $FAILURE
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fi
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fi
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esac
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elif ! { f_getvar $VAR_IPV6ADDR cp && [ "$cp" ]; }; then
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f_show_msg "$msg_device_is_not_configured" "$dev"
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return $FAILURE
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fi
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f_dprintf "Network initialized successfully."
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NETWORK_INITIALIZED=1
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return $SUCCESS
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}
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# f_media_shutdown_network $device
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#
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# Shuts down the configured network device (e.g., `fxp0', `em0', etc.) and
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# deletes the default route (if configured). Returns failure if the device
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# passed has not been configured. If not running as init (basically from the
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# FreeBSD install media) then does nothing and returns success.
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#
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f_media_shutdown_network()
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{
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local dev="$1" cp
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f_dprintf "Shutdown called for network device %s" "$dev"
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if [ ! "$NETWORK_INITIALIZED" ]; then
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f_dprintf "Network not initialized -- nothing to do."
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return $SUCCESS
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fi
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unset NETWORK_INITIALIZED
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unset $VAR_NETWORK_DEVICE
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if ! f_running_as_init; then
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f_dprintf "Not running as init -- calling the deed done."
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return $SUCCESS
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fi
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f_getvar $VAR_IFCONFIG$dev cp || return $FAILURE
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f_dprintf "ifconfig %s down" "$dev"
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f_quietly ifconfig $dev down ||
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f_show_msg "$msg_unable_to_down_the_interface_properly" "$dev"
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if f_getvar $VAR_GATEWAY cp; then
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f_dprintf "Deleting default route."
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f_quietly route -n delete default
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fi
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return $SUCCESS
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}
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############################################################ MAIN
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f_dprintf "%s: Successfully loaded." media/network.subr
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fi # ! $_MEDIA_NETWORK_SUBR
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