diff options
Diffstat (limited to 'udev')
| -rw-r--r-- | udev/55-xilinux.rules | 14 | ||||
| -rw-r--r-- | udev/55-xilinux.txt | 20 | ||||
| -rw-r--r-- | udev/81-cdrom.rules | 3 | ||||
| -rw-r--r-- | udev/83-cdrom-symlinks.rules | 13 | ||||
| -rw-r--r-- | udev/ChangeLog | 267 | ||||
| -rw-r--r-- | udev/Makefile | 15 | ||||
| -rw-r--r-- | udev/README | 32 | ||||
| -rw-r--r-- | udev/contrib/debian/81-cdrom.rules | 3 | ||||
| -rw-r--r-- | udev/contrib/debian/83-cdrom-symlinks.rules | 12 | ||||
| -rw-r--r-- | udev/contrib/debian/write_cd_aliases | 120 | ||||
| -rw-r--r-- | udev/init-net-rules.sh | 129 | ||||
| -rw-r--r-- | udev/rule_generator.functions | 115 | ||||
| -rwxr-xr-x | udev/write_cd_rules | 126 | ||||
| -rwxr-xr-x | udev/write_net_rules | 140 |
14 files changed, 1009 insertions, 0 deletions
diff --git a/udev/55-xilinux.rules b/udev/55-xilinux.rules new file mode 100644 index 0000000..7fa7f20 --- /dev/null +++ b/udev/55-xilinux.rules @@ -0,0 +1,14 @@ +# /etc/udev/rules.d/55-lfs.rules: Rule definitions for LFS. + +# Core kernel devices + +# This causes the system clock to be set as soon as /dev/rtc becomes available. +#SUBSYSTEM=="rtc", ACTION=="add", MODE="0644", RUN+="/etc/rc.d/init.d/setclock start" +#KERNEL=="rtc", ACTION=="add", MODE="0644", RUN+="/etc/rc.d/init.d/setclock start" + +# Comms devices + +KERNEL=="ippp[0-9]*", GROUP="dialout" +KERNEL=="isdn[0-9]*", GROUP="dialout" +KERNEL=="isdnctrl[0-9]*", GROUP="dialout" +KERNEL=="dcbri[0-9]*", GROUP="dialout" diff --git a/udev/55-xilinux.txt b/udev/55-xilinux.txt new file mode 100644 index 0000000..5f116f9 --- /dev/null +++ b/udev/55-xilinux.txt @@ -0,0 +1,20 @@ +Purpose of rules file: + +Most of the rules installed by Udev itself create devices with the correct +properties. This file contains rules that have not been merged upstream yet. + +Description of rules: + +By default, Udev creates device nodes with UID 0, GID 0, and permissions 0660. + +ISDN-related devices should be owned by the 'dialout' group, hence the following +rule (and similar): + +KERNEL=="ippp[0-9]*", GROUP="dialout" + +The RTC-related rules cause the setclock bootscript to be run as soon as the +RTC device has been created by Udev, meaning that times in log files, for +example, are as accurate as possible as quickly as possible. + +A final word of caution: Any particular rule must be written on one line, and a +comma must separate each part of the rule. diff --git a/udev/81-cdrom.rules b/udev/81-cdrom.rules new file mode 100644 index 0000000..cb7ea57 --- /dev/null +++ b/udev/81-cdrom.rules @@ -0,0 +1,3 @@ +# /etc/udev/rules.d/81-cdrom.rules: Set CD-ROM permissions and get device capabilities + +ACTION=="add", SUBSYSTEM=="block", ENV{ID_TYPE}=="cd", IMPORT{program}="cdrom_id --export $tempnode", GROUP="cdrom" diff --git a/udev/83-cdrom-symlinks.rules b/udev/83-cdrom-symlinks.rules new file mode 100644 index 0000000..1a21a06 --- /dev/null +++ b/udev/83-cdrom-symlinks.rules @@ -0,0 +1,13 @@ +# /etc/udev/rules.d/83-cdrom-symlinks.rules: Determine CD drive capability. + +ACTION!="add", GOTO="cd_aliases_generator_end" +SUBSYSTEM!="block", GOTO="cd_aliases_generator_end" +ENV{GENERATED}=="?*", GOTO="cd_aliases_generator_end" + +# Fail the uevent if the autogenerated rules cannot be saved +ENV{ID_CDROM}=="?*", PROGRAM="/bin/grep -c ' / [^[:space:]]* rw' /proc/mounts", \ + RESULT!="1", RUN+="/bin/false", GOTO="cd_aliases_generator_end" + +ENV{ID_CDROM}=="?*", PROGRAM="write_cd_rules", SYMLINK+="%c" + +LABEL="cd_aliases_generator_end" diff --git a/udev/ChangeLog b/udev/ChangeLog new file mode 100644 index 0000000..dc9eb7e --- /dev/null +++ b/udev/ChangeLog @@ -0,0 +1,267 @@ +2019-10-14 <dslm4515> + * Changed filnames to match MLFS. + * Commented out RTC clock rules, as S6 bootscripts take care of that. +2017-10-27 <bdubbs@linuxfromscratch.org> + * 83-cdrom-symlinks.rules: Adjust test for writable root directory. + +2014-03-02 <bdubbs@linuxfromscratch.org> + * Makefile.lfs: Remove build procedures leaving only LFS rules + +2014-02-16 <bdubbs@linuxfromscratch.org> + * Makefile.lfs: Adjust warning flags. Adjust linking rules to + allow build with util-linux in LFS's /tools directory. + +2010-01-26 Matt Burgess <matthew@linuxfromscratch.org> + * 55-lfs.rules: Remove lots of rules that have been merged upstream. + * 61-cdrom.rules: Remove as upstream has a replacement. + * doc/*: Cleanup and rewrite now that the rules are much simpler. + +2009-09-25 Bryan Kadzban <bryan@linuxfromscratch.org> + * 55-lfs.rules: Make the RTC rule (which runs setclock) work for people + that don't use the RTC-class driver -- add another copy of the rule, + using KERNEL=="rtc" instead of SUBSYSTEM=="rtc". Also move the ACTION + match before the assignment to MODE. + +2009-05-23 Bruce Dubbs <bdubbs@linuxfromscratch.org> + * 55-lfs.rules: Set the rtc by udev upon boot. Removed aio device from + udev configuration so defaults are used. + +2009-05-16 Bryan Kadzban <bryan@linuxfromscratch.org> + * 55-lfs.rules: Adopt udev permissions for random, urandom, kmsg, and + input devices (including psaux, which probably doesn't exist anymore + anyway). + +2009-05-16 Matt Burgess <matthew@linuxfromscratch.org> + * 55-lfs.rules: Remove the block rule as it was only setting + permissions that Udev will set by default + * 55-lfs.rules: Remove the rfcomm rule as the group it sets is already + included in upstream's rule + * 55-lfs-rules: Remove the tape rules as the group they sets is already + included in upstream's rules + +2009-03-15 Bryan Kadzban <bryan@linuxfromscratch.org> + * 55-lfs.rules: Remove the ISDN-handling rules (replaced with upstream's + version, which has a better match via SUBSYSTEM). + * 55-lfs.rules: Replace "uucp" with "dialout" now that udev has decided + to standardize on a Debian-like setup (uucp is for UUCP daemons to use + for privilege separation; dialout is for users and devices). + +2008-12-07 Bruce Dubbs <bdubbs@linuxfromscratch.org> + * 55-lfs.rules: Change one line to use continuation so it does + not overflow the book's width. + +2008-12-07 Bryan Kadzban <bryan@linuxfromscratch.org> + * 55-lfs.rules: Remove several rules that are either provided by upstream, + or that don't have any effect (there is no /dev/js or /dev/djs according + to devices.txt). + * 55-lfs.rules, 61-cdrom.rules: Replace ACTION=="add" with "add|change" + everywhere, per upstream's general request. + +2008-11-11 Bryan Kadzban <bryan@linuxfromscratch.org> + * 55-lfs.rules, 61-cdrom.rules: Fix comments to use the right rule + numbers. Thanks to Trent Shea for the fix. Closes #2278. + +2008-10-15 DJ Lucas <dj@linuxfromscratch.org> + * 55-lfs.rules: Override default perms on floppy disk devices provided + by 50-udev-default.rules. Thanks to Bruce Dubbs for the fix. Closes + LFS ticket #2076. + +2008-05-21 Bryan Kadzban <bryan@linuxfromscratch.org> + * 81-firmware.rules, doc/81-firmware.txt: Remove. This rule is + already handled by udev's 50-udev-default.rules file. The docs + can be added back later if needed. + * Makefile: Don't install the above deleted files. + * 55-lfs.rules: Remove the device-mapper rule, since the upstream + 50-udev-default.rules file handles it properly. + +2008-04-02 Bryan Kadzban <bryan@linuxfromscratch.org> + * Makefile: Make the package DESTDIR-friendly by installing the docs + into a fixed $(PREFIX)/share/doc/udev-config directory, instead of + trying to figure out what version of udev was just installed. + +2007-10-30 Bryan Kadzban <bryan@linuxfromscratch.org> + * 55-lfs.rules: Since the dialout group was renamed to uucp, delete + the rules that override upstream's assignment of the dialout group. + Replace "dialout" with "uucp" on the remaining rules. + +2007-10-29 Bryan Kadzban <bryan@linuxfromscratch.org> + * 51-lfs.rules: Move to 55-lfs.rules. + * doc/51-lfs.rules: Move to doc/55-lfs.rules. + +2007-10-27 Bryan Kadzban <bryan@linuxfromscratch.org> + * 25-lfs.rules: Some rules in here are duplicates of rules from udev's + new 50-udev-defaults.rules file; remove them. Override permissions + where needed elsewhere (and document overrides in comments). + * 26-modprobe.rules: Provided by udev's 80-drivers.rules and built-in + modaliases for SCSI device-type modules in 2.6.22+ kernels; remove. + + * 25-lfs.rules: Move to 51-lfs.rules. + * 27-firmware.rules: Move to 81-firmware.rules. + * 81-cdrom.rules: Move to 61-cdrom.rules. + + * doc/25-lfs.txt: Rename to 51-lfs.txt. + * doc/26-modprobe.txt: Rename to 80-drivers.txt, and modify to reflect + the upstream rules. + * doc/27-firmware.txt: Rename to 81-firmware.txt. + * doc/81-cdrom.txt: Rename to 61-cdrom.txt. + + * Makefile: Use new filenames. + +2007-07-31 Dan Nicholson <dnicholson@linuxfromscratch.org> + * 25-lfs.rules: Changed the usb_device rule tto create /dev/bus/usb + nodes if the usb_device in 2.6.22+ kernels. The rule was also changed + to only trigger on "add" events. This change is not backwards + compatible with older kernels. + +2007-06-12 Dan Nicholson <dnicholson@linuxfromscratch.org> + * 25-lfs.rules: Fix the CPUID nodes from cpu/%n/cpu to cpu/%n/cpuid, + which is what's expected in userspace apps such as x86info. + +2007-06-08 Bryan Kadzban <bryan@linuxfromscratch.org> + * 25-lfs.rules: Add rules for DVB devices (create nodes in /dev/dvb/) + and floppies (create extra nodes based on CMOS type), copied from + the SuSE rules file. Thanks to Alexander Patrakov for the bugreport. + +2007-03-04 Matthew Burgess <matthew@linuxfromscratch.org> + * Makefile: Use `udevd --version' to work out what version of Udev is + installed (requires Udev >= 106) + +2007-01-02 Bryan Kadzban <bryan@linuxfromscratch.org> + * 25-lfs.rules: Change CPU devices (cpu, msr, microcode) to be in + /dev/cpu/ and /dev/cpu/N/, to match Documentation/devices.txt. + +2006-10-21 Bryan Kadzban <bryan@linuxfromscratch.org> + * Makefile: Add a missing backslash in install-extra-doc. + + * 05-udev-early.rules, 60-persistent-input.rules, + 60-persistent-storage.rules, 95-udev-late.rules: Remove. The book + will install these files from udev's etc/udev/rules.d directory + instead. + * Makefile: Don't install these rules files after all. Also, only + install corresponding docs if requested. + +2006-10-20 Bryan Kadzban <bryan@linuxfromscratch.org> + * Makefile: Added; contains targets to install rules and doc files. + From Dan Nicholson. + +2006-10-14 Bryan Kadzban <bryan@linuxfromscratch.org> + * 05-udev-early.rules, 60-persistent-storage.rules: Sync up with + upstream sample rules files (from udev-102), except for one rule + which is more specific in our tarball and should probably be changed + upstream. + * doc/60-persistent-storage.txt: Modify to match the changes. Also + fix a couple typos. + + * 25-lfs.rules: Remove duplicate rules (ttyS[0-9]* is also matched by + tty[BC...S...][0-9]*, and ttyUSB[0-9]* is in there twice). + + * 25-lfs.rules: Fix Alsa device KERNEL rules. Udev uses shell-style + glob matching, not regular expressions, so the old rules would match + nonsense device names like hw0asdf and pcmDzxcv. As long as the first + character after the "fixed" portion was in the list, the rule would + match; it wouldn't apply the same character range to later characters. + + * doc/25-lfs.txt: Add a note on interaction between permissions and + symlinks. + +2006-10-09 Bryan Kadzban <bryan@linuxfromscrtach.org> + * 25-lfs.rules: Fix fb[0-9]* device permissions (should use the default + 0660). + + * doc/25-lfs.txt: Fix typo: /dev/ptmx is given mode 0666, not 0660. + Also tweak the comment about other TTY devices. + +2006-10-04 Bryan Kadzban <bryan@linuxfromscratch.org> + * 05-udev-early.rules: Remove WAIT_FOR_SYSFS="bus" rule. With kernel + 2.6.18, this rule is no longer required. + + * doc/05-udev-early.txt: Update to match. + +2006-09-28 Bryan Kadzban <bryan@linuxfromscratch.org> + * doc/60-persistent-storage.txt: Explain persistent storage rules, or + at least the parts I understand. (I don't use DASD or netblock or + several other supported configurations.) + + * doc/81-cdrom.txt: Explain 81-cdrom.rules. + + * doc/95-udev-late.txt: Explain 95-udev-late.rules. Documentation is + now finished. + +2006-09-26 Bryan Kadzban <bryan@linuxfromscratch.org> + * doc/60-persistent-input.txt: Explain (in probably too much detail) + 60-persistent-input.rules. + +2006-09-24 Bryan Kadzban <bryan@linuxfromscratch.org> + * doc/05-udev-early.txt: Rewrap to fit 80 columns. + + * doc/26-modprobe.txt: Explain 26-modprobe.rules, and modaliases. + + * doc/27-firmware.txt: Explain 27-firmware.rules. + +2006-09-24 Bryan Kadzban <bryan@linuxfromscratch.org> + * doc/25-lfs.txt: Explain 25-lfs.rules. + + * 25-lfs.rules: Use SYMLINK+= for isdn/capi20 also. + +2006-09-23 Bryan Kadzban <bryan@linuxfromscratch.org> + * doc: New subdirectory to contain documentation of rules + * doc/README: New file, top-level documentation + * doc/*.txt: New documentation files, one for each rules file. Only + 05-udev-early.txt has anything in it. + +2006-09-23 Bryan Kadzban <bryan@linuxfromscratch.org> + * 25-lfs.rules: Add "ignore_device" to OPTIONS for DRI devices, instead + of setting NAME to an empty string. This matches the way we ignore + devmapper / LVM devices. + +2006-09-22 Bryan Kadzban <bryan@linuxfromscratch.org> + * 60-persistent-input.rules, 95-udev-late.rules: Import from udev-100. + 60-persistent-input.rules creates persistent symlinks for input + devices, and 95-udev-late.rules enables udevmonitor. + + * 60-persistent-storage.rules: Replace ATTRS{../removable} with just + ATTRS{removable} on partition devices. Replace ATTRS{removable} + with ATTR{removable} on whole-disk devices. + +2006-09-20 Bryan Kadzban <bryan@linuxfromscratch.org> + * 05-early.rules: Missed a rule in the last change. ENV{PHYSDEVBUS} + in the rule that waits for the "bus" symlink should be replaced by + SUBSYSTEMS. + +2006-09-20 Bryan Kadzban <bryan@linuxfromscratch.org> + * Adapted rules to the new matches used in udev-098 and above (e.g., + SYSFS becomes ATTRS). Prevents warnings, and support for the old + matches will be removed eventually. These rules will not work with + udev-097 and before! + * Fixed several bugs in the rules left over from previous udev + versions (missing commas, overwriting user symlinks using ="..." + instead of +="...", and matching against "*" instead of "?*"). + + * Renamed CHANGELOG to ChangeLog, started using pseudo-GNU-format + entries. (See standards.info; search it for "changelog" to get + the general gist.) + +dnicholson - Jul 14, 2006 + * Fixed usbdev PROGRAM so that it works with the BusyBox sh. Thanks + to Anthony Wright. + +n/a - Jul 12, 2006 + * Added options so temporary nodes are not created with device-mapper + * Adapted cdrom rules to identify CD-ROM drives correctly by adding + SUBSYSTEM=="block" test. + * Added simple 81-cdrom.rules file to set cdrom group ownership + +n/a - Jun 07, 2006 + * Removed nvidia rules + * Removed bug reporting rule + * Moved Debian-based persistent CD-ROM rules to contrib + * Adapted firmware rule to udev-093 + +n/a - May 15, 2006 + * Part one of 25-lfs.rules rewrite + * Some minor tweaking of the layout + +n/a - May 12, 2006 + * Initial import of the udev-config directory. + * Reorganized and modularized the rules files. + * Added explanatory comments diff --git a/udev/Makefile b/udev/Makefile new file mode 100644 index 0000000..6a29db4 --- /dev/null +++ b/udev/Makefile @@ -0,0 +1,15 @@ +VERSION=20220314 + +all: + @echo "Use the install target" + +install: + mkdir -p $(DESTDIR)/lib/udev/rules.d \ + $(DESTDIR)/etc/udev/rules.d \ + $(DESTDIR)/usr/share/doc/udev-$(VERSION)/mlfs + cp *.rules $(DESTDIR)/etc/udev/rules.d + cp *_rules \ + init-net-rules.sh \ + rule_generator.functions $(DESTDIR)/lib/udev + cp README $(DESTDIR)/usr/share/doc/udev-$(VERSION)/ + cp *.txt $(DESTDIR)/usr/share/doc/udev-$(VERSION)/ diff --git a/udev/README b/udev/README new file mode 100644 index 0000000..ad5f13b --- /dev/null +++ b/udev/README @@ -0,0 +1,32 @@ +The udev-mlfs set of files is a customization of systemd. +In 2012, udev was merged with systemd and a build methodology +incompatible with LFS. These files add cusom udev rules +for MLFS. + +These files are distributed in the form of a tar file available +from the LFS file mirrors. The tarball is created with: + +mkdir /tmp/udev-lfs-$VERSION +cp -av * /tmp/udev-lfs-$VERSION +tar -jcf /tmp/udev-lfs-$VERSION.tar.bz2 -C /tmp udev-lfs-$VERSION + +Makefile.mlfs - The MLFS Makefile. Installs udev rules for MLFS. + +contrib - Useful rules from debian +contrib/debian +contrib/debian/83-cdrom-symlinks.rules +contrib/debian/write_cd_aliases +contrib/debian/81-cdrom.rules + +55-mlfs.rules - MLFS custom rules +write_net_rules - Scripts for MLFS rules +write_cd_rules +rule_generator.functions + +55-mlfs.txt - Documentation for LFS installed rules + +ChangeLog - Log of changes to 55-mlfs-rules + +init-net-rules.sh - A script for establishing persistent network + rules before the first MLFS boot + diff --git a/udev/contrib/debian/81-cdrom.rules b/udev/contrib/debian/81-cdrom.rules new file mode 100644 index 0000000..cb7ea57 --- /dev/null +++ b/udev/contrib/debian/81-cdrom.rules @@ -0,0 +1,3 @@ +# /etc/udev/rules.d/81-cdrom.rules: Set CD-ROM permissions and get device capabilities + +ACTION=="add", SUBSYSTEM=="block", ENV{ID_TYPE}=="cd", IMPORT{program}="cdrom_id --export $tempnode", GROUP="cdrom" diff --git a/udev/contrib/debian/83-cdrom-symlinks.rules b/udev/contrib/debian/83-cdrom-symlinks.rules new file mode 100644 index 0000000..4713c0b --- /dev/null +++ b/udev/contrib/debian/83-cdrom-symlinks.rules @@ -0,0 +1,12 @@ +# /etc/udev/rules.d/83-cdrom-symlinks.rules: Determine CD drive capability. + +ACTION!="add", GOTO="cd_aliases_generator_end" +SUBSYSTEM!="block", GOTO="cd_aliases_generator_end" +ENV{GENERATED}=="?*", GOTO="cd_aliases_generator_end" + +# Fail the uevent if the autogenerated rules cannot be saved +ENV{ID_CDROM}=="?*", PROGRAM="/bin/grep -c ' / [^[:space:]]* rw' /proc/mounts", RESULT!="2", RUN+="/bin/false", GOTO="cd_aliases_generator_end" + +ENV{ID_CDROM}=="?*", PROGRAM="write_cd_aliases", SYMLINK+="%c" + +LABEL="cd_aliases_generator_end" diff --git a/udev/contrib/debian/write_cd_aliases b/udev/contrib/debian/write_cd_aliases new file mode 100644 index 0000000..ea8eeb7 --- /dev/null +++ b/udev/contrib/debian/write_cd_aliases @@ -0,0 +1,120 @@ +#!/bin/sh -e + +# Updated for LFS by B. Dubbs, 2012-09-23 +# Fix RULES_LOCK location + + +RULES_FILE="/etc/udev/rules.d/82-persistent-cd.rules" + +############################################################################## +lock_rules_file() { + RULES_LOCK="/run/udev/lock-${RULES_FILE##*/}" + + if [ ! -d /run/udev/ ]; then + echo "write_cd_aliases: /run/udev does not exist!" >&2 + exit 2 + fi + + retry=10 + while ! mkdir $RULES_LOCK 2> /dev/null; do + if [ $retry -eq 0 ]; then + echo "Cannot lock $RULES_FILE!" >&2 + exit 2 + fi + sleep 1 + retry=$(($retry - 1)) + done +} + +unlock_rules_file() { + rmdir $RULES_LOCK || true +} + +############################################################################## +find_next_available() { + # use echo to convert newlines to spaces + local links=`echo $(find_all_symlinks $1)` + local basename=${links%%[ 0-9]*} + local max=-1 + for name in $links; do + local num=${name#$basename} + [ "$num" ] || num=0 + [ $num -gt $max ] && max=$num + done + + max=$(($max + 1)) + # "name0" actually is just "name" + [ $max -eq 0 ] && return + echo "$max" +} + +find_all_symlinks() { + local linkre="$1" + local match="$2" + + [ -e $RULES_FILE ] || return + + local search='.*[[:space:],]SYMLINK+="\('"$linkre"'\)"[[:space:]]*\(,.*\|\\\|\)$' + + sed -n -e "${match}s/${search}/\1/p" $RULES_FILE +} + +write_rule() { + local match="$1" + local link="$2" + local comment="$3" + + [ -e "$RULES_FILE" ] || PRINT_HEADER=1 + { + if [ "$PRINT_HEADER" ]; then + PRINT_HEADER= + echo "# This file was automatically generated by the $0" + echo "# program, probably run by the 83-cdrom.rules rules file." + echo "#" + echo "# You can modify it, as long as you keep each rule on a single line" + echo "# and set the \$GENERATED variable." + echo "" + fi + + [ "$comment" ] && echo "# $comment" + echo "ACTION==\"add\", SUBSYSTEM==\"block\", $match, ENV{ID_CDROM}==\"1\", SYMLINK+=\"$link\", ENV{GENERATED}=\"1\"" + } >> $RULES_FILE + SYMLINKS="$SYMLINKS $link" +} + +############################################################################## +if [ -z "$DEVPATH" ]; then + echo "Missing \$DEVPATH." >&2 + exit 1 +fi +if [ -z "$ID_CDROM" ]; then + echo "$DEVPATH is not a CD reader." >&2 + exit 1 +fi + +# Prevent parallel processes from modifying the file at the same time. +lock_rules_file + +link_num=$(find_next_available 'cdrom[0-9]*') + +#match="ENV{ID_PATH}==\"$ID_PATH\"" + +#kernel=${DEVPATH##*/} +#match="KERNEL==\"$kernel\"" + +id=${PHYSDEVPATH##*/} +match="BUS==\"$PHYSDEVBUS\", ID==\"$id\"" + +comment="$ID_MODEL ($ID_PATH)" + + write_rule "$match" "cdrom$link_num" "$comment" +[ "$ID_CDROM_CD_RW" ] && write_rule "$match" "cdrw$link_num" +[ "$ID_CDROM_DVD" ] && write_rule "$match" "dvd$link_num" +[ "$ID_CDROM_DVD_RW" ] && write_rule "$match" "dvdrw$link_num" + +unlock_rules_file + +echo $SYMLINKS + +exit 0 + diff --git a/udev/init-net-rules.sh b/udev/init-net-rules.sh new file mode 100644 index 0000000..a90652e --- /dev/null +++ b/udev/init-net-rules.sh @@ -0,0 +1,129 @@ +#! /bin/bash + +# This script generates rules for persistent network device naming +# Data from udev-182 75-persistent-net-generator.rules +# Updated fof udev-197 (DEVICES=en*) + +RULES=/etc/udev/rules.d/70-persistent-net.rules +DEVICES=$(eval echo /sys/class/net/{en*,eth*,ath*,wlan*[0-9],msh*,ra*,sta*,ctc*,lcs*,hsi*}) + +function usage +{ + echo $msg + echo "init-net-rules.sh is an LFS-specific script to initialize" + echo "$RULES" + exit 1 +} + +declare -A VENDORS_IGNORED +VENDORS_IGNORED['52:54:00:']="kvm" +VENDORS_IGNORED['00:0c:29:']="vmware" +VENDORS_IGNORED['00:50:56:']="vmware" +VENDORS_IGNORED['00:15:5d:']="hyper-v" +VENDORS_IGNORED['00:00:00:']="invalid" + +declare -A VENDORS +VENDORS['02:07:01:']="Interlan, DEC, etc" +VENDORS['02:60:60:']="3com" +VENDORS['02:60:8c:']="3Com IBM PC; Imagen. etc" +VENDORS['02:a0:c9:']="intel" +VENDORS['02:aa:3c:']="Olivetti" +VENDORS['02:cf:1f:']="Masscomp, Silicon Graphics, etc" +VENDORS['02:e0:3b:']="Gigabit" +VENDORS['02:e6:d3:']="BTI" +VENDORS['52:54:00:']="Realtek" +VENDORS['52:54:4c:']="Novell" +VENDORS['52:54:ab:']="Realtek" +VENDORS['e2:0c:0f:']="Kingston" +VENDORS['00:16:3e:']="Xensource" + +function ignore_if +{ + if [[ "${VENDORS_IGNORED[$VENDOR]}" != "" ]]; then return 0; fi + if [[ "${VENDORS[$VENDOR]}" != "" ]]; then return 1; fi + + byte2=$(echo $VENDOR | cut -c2) + if echo $byte2 | grep -q "[2367abef]"; then return 0; fi + + return 1 # Default is to not ignore +} + +function comment +{ + # Not implemented + # SUBSYSTEMS=="pci" + # export COMMENT="PCI device $attr{vendor}:$attr{device} ($driver)" + + # SUBSYSTEMS=="usb", ATTRS{idVendor}=="?*" + # export COMMENT="USB device 0x$attr{idVendor}:0x$attr{idProduct} ($driver)" + + # SUBSYSTEMS=="pcmcia", + # export COMMENT="PCMCIA device $attr{card_id}:$attr{manf_id} ($driver)" + + # SUBSYSTEMS=="ieee1394", + # export COMMENT="Firewire device $attr{host_id})" + + # ibmveth likes to use "locally administered" MAC addresses + # DRIVERS=="ibmveth", + # export COMMENT="ibmveth ($id)" + + # S/390 uses id matches only, do not use MAC address match + # SUBSYSTEMS=="ccwgroup", + # export COMMENT="S/390 $driver device at $id", + # export MATCHID="$id" + # export MATCHDRV="$driver" + # export MATCHADDR="" + + # Default + driver=$(basename $(readlink -f $NIC/device/driver/module)) + export COMMENT="net device ${driver}" +} + +if ! mountpoint -q /sys; then + msg="/sys must be mounted" + usage +fi + +if ! mountpoint -q /proc; then + msg="/proc must be mounted" + usage +fi + +if [ -e $RULES ]; then + msg="The rules file already exists" + usage +fi + +# Ignore Xen virtual interfaces +if [ -e /proc/xen ]; then + msg="The rules file should not be created in the Xen environment" + usage +fi + +# Variables used to communicate with write_net_rules: +# INTERFACE simple interface name +# MATCHADDR MAC address used for the match +# MATCHID bus_id used for the match +# MATCHDRV driver name used for the match +# MATCHIFTYPE interface type match +# COMMENT comment to add to the generated rule +# INTERFACE_NAME requested name supplied by external tool +# INTERFACE_NEW new interface name returned by rule writer + +for NIC in $DEVICES; do + IF=${NIC##*/} + if echo $NIC | grep -q '*' ; then continue; fi + + export INTERFACE=${NIC##*/} # Simple interface name + export MATCHADDR="$(cat $NIC/address)" # Read MAC address + + VENDOR=$(echo $MATCHADDR | cut -c-9) + if ignore_if; then continue; fi + + export MATCHDEVID="$(cat $NIC/dev_id)" + export MATCHIFTYPE="$(cat $NIC/type)" # Read interface type + comment + + /lib/udev/write_net_rules +done + diff --git a/udev/rule_generator.functions b/udev/rule_generator.functions new file mode 100644 index 0000000..7b8521f --- /dev/null +++ b/udev/rule_generator.functions @@ -0,0 +1,115 @@ +# functions used by the udev rule generator + +# Copyright (C) 2006 Marco d'Itri <md@Linux.IT> +# Updated for LFS by Bruce Dubbs <bdubbs@linuxfromscratch.org> +# Hardcoded RUNDIR + +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 2 of the License, or +# (at your option) any later version. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. + +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. + +PATH='/usr/bin:/bin:/usr/sbin:/sbin' + +# Read a single line from file $1 in the $DEVPATH directory. +# The function must not return an error even if the file does not exist. +sysread() { + local file="$1" + [ -e "/sys$DEVPATH/$file" ] || return 0 + local value + read value < "/sys$DEVPATH/$file" || return 0 + echo "$value" +} + +sysreadlink() { + local file="$1" + [ -e "/sys$DEVPATH/$file" ] || return 0 + readlink -f /sys$DEVPATH/$file 2> /dev/null || true +} + +# Return true if a directory is writeable. +writeable() { + if ln -s test-link $1/.is-writeable 2> /dev/null; then + rm -f $1/.is-writeable + return 0 + else + return 1 + fi +} + +# Create a lock file for the current rules file. +lock_rules_file() { + RUNDIR=/run/udev + [ -e "$RUNDIR" ] || return 0 + + RULES_LOCK="$RUNDIR/.lock-${RULES_FILE##*/}" + + retry=30 + while ! mkdir $RULES_LOCK 2> /dev/null; do + if [ $retry -eq 0 ]; then + echo "Cannot lock $RULES_FILE!" >&2 + exit 2 + fi + sleep 1 + retry=$(($retry - 1)) + done +} + +unlock_rules_file() { + [ "$RULES_LOCK" ] || return 0 + rmdir $RULES_LOCK || true +} + +# Choose the real rules file if it is writeable or a temporary file if not. +# Both files should be checked later when looking for existing rules. +choose_rules_file() { + RUNDIR=/run/udev + local tmp_rules_file="$RUNDIR/tmp-rules--${RULES_FILE##*/}" + [ -e "$RULES_FILE" -o -e "$tmp_rules_file" ] || PRINT_HEADER=1 + + if writeable ${RULES_FILE%/*}; then + RO_RULES_FILE='/dev/null' + else + RO_RULES_FILE=$RULES_FILE + RULES_FILE=$tmp_rules_file + fi +} + +# Return the name of the first free device. +raw_find_next_available() { + local links="$1" + + local basename=${links%%[ 0-9]*} + local max=-1 + for name in $links; do + local num=${name#$basename} + [ "$num" ] || num=0 + [ $num -gt $max ] && max=$num + done + + local max=$(($max + 1)) + # "name0" actually is just "name" + [ $max -eq 0 ] && return + echo "$max" +} + +# Find all rules matching a key (with action) and a pattern. +find_all_rules() { + local key="$1" + local linkre="$2" + local match="$3" + + local search='.*[[:space:],]'"$key"'"('"$linkre"')".*' + echo $(sed -n -r -e 's/^#.*//' -e "${match}s/${search}/\1/p" \ + $RO_RULES_FILE \ + $([ -e $RULES_FILE ] && echo $RULES_FILE) \ + 2>/dev/null) +} diff --git a/udev/write_cd_rules b/udev/write_cd_rules new file mode 100755 index 0000000..645b9cd --- /dev/null +++ b/udev/write_cd_rules @@ -0,0 +1,126 @@ +#!/bin/sh -e + +# This script is run if an optical drive lacks a rule for persistent naming. +# +# It adds symlinks for optical drives based on the device class determined +# by cdrom_id and used ID_PATH to identify the device. + +# (C) 2006 Marco d'Itri <md@Linux.IT> +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 2 of the License, or +# (at your option) any later version. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. + +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. + +# debug, if UDEV_LOG=<debug> +if [ -n "$UDEV_LOG" ]; then + if [ "$UDEV_LOG" -ge 7 ]; then + set -x + fi +fi + +RULES_FILE="/etc/udev/rules.d/70-persistent-cd.rules" + +. /lib/udev/rule_generator.functions + +find_next_available() { + raw_find_next_available "$(find_all_rules 'SYMLINK\+=' "$1")" +} + +write_rule() { + local match="$1" + local link="$2" + local comment="$3" + + { + if [ "$PRINT_HEADER" ]; then + PRINT_HEADER= + echo "# This file was automatically generated by the $0" + echo "# program, run by the cd-aliases-generator.rules rules file." + echo "#" + echo "# You can modify it, as long as you keep each rule on a single" + echo "# line, and set the \$GENERATED variable." + echo "" + fi + + [ "$comment" ] && echo "# $comment" + echo "$match, SYMLINK+=\"$link\", ENV{GENERATED}=\"1\"" + } >> $RULES_FILE + SYMLINKS="$SYMLINKS $link" +} + +if [ -z "$DEVPATH" ]; then + echo "Missing \$DEVPATH." >&2 + exit 1 +fi +if [ -z "$ID_CDROM" ]; then + echo "$DEVPATH is not a CD reader." >&2 + exit 1 +fi + +if [ "$1" ]; then + METHOD="$1" +else + METHOD='by-path' +fi + +case "$METHOD" in + by-path) + if [ -z "$ID_PATH" ]; then + echo "$DEVPATH not supported by path_id. by-id may work." >&2 + exit 1 + fi + RULE="ENV{ID_PATH}==\"$ID_PATH\"" + ;; + + by-id) + if [ "$ID_SERIAL" ]; then + RULE="ENV{ID_SERIAL}==\"$ID_SERIAL\"" + elif [ "$ID_MODEL" -a "$ID_REVISION" ]; then + RULE="ENV{ID_MODEL}==\"$ID_MODEL\", ENV{ID_REVISION}==\"$ID_REVISION\"" + else + echo "$DEVPATH not supported by ata_id. by-path may work." >&2 + exit 1 + fi + ;; + + *) + echo "Invalid argument (must be either by-path or by-id)." >&2 + exit 1 + ;; +esac + +# Prevent concurrent processes from modifying the file at the same time. +lock_rules_file + +# Check if the rules file is writeable. +choose_rules_file + +link_num=$(find_next_available 'cdrom[0-9]*') + +match="SUBSYSTEM==\"block\", ENV{ID_CDROM}==\"?*\", $RULE" + +comment="$ID_MODEL ($ID_PATH)" + + write_rule "$match" "cdrom$link_num" "$comment" +[ "$ID_CDROM_CD_R" -o "$ID_CDROM_CD_RW" ] && \ + write_rule "$match" "cdrw$link_num" +[ "$ID_CDROM_DVD" ] && \ + write_rule "$match" "dvd$link_num" +[ "$ID_CDROM_DVD_R" -o "$ID_CDROM_DVD_RW" -o "$ID_CDROM_DVD_RAM" ] && \ + write_rule "$match" "dvdrw$link_num" +echo >> $RULES_FILE + +unlock_rules_file + +echo $SYMLINKS + +exit 0 diff --git a/udev/write_net_rules b/udev/write_net_rules new file mode 100755 index 0000000..f7c7761 --- /dev/null +++ b/udev/write_net_rules @@ -0,0 +1,140 @@ +#!/bin/sh -e + +# This script is run to create persistent network device naming rules +# based on properties of the device. +# If the interface needs to be renamed, INTERFACE_NEW=<name> will be printed +# on stdout to allow udev to IMPORT it. + +# variables used to communicate: +# MATCHADDR MAC address used for the match +# MATCHID bus_id used for the match +# MATCHDEVID dev_id used for the match +# MATCHDRV driver name used for the match +# MATCHIFTYPE interface type match +# COMMENT comment to add to the generated rule +# INTERFACE_NAME requested name supplied by external tool +# INTERFACE_NEW new interface name returned by rule writer + +# Copyright (C) 2006 Marco d'Itri <md@Linux.IT> +# Copyright (C) 2007 Kay Sievers <kay.sievers@vrfy.org> +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. + +# debug, if UDEV_LOG=<debug> +if [ -n "$UDEV_LOG" ]; then + if [ "$UDEV_LOG" -ge 7 ]; then + set -x + fi +fi + +RULES_FILE='/etc/udev/rules.d/70-persistent-net.rules' + +. /lib/udev/rule_generator.functions + +interface_name_taken() { + local value="$(find_all_rules 'NAME=' $INTERFACE)" + if [ "$value" ]; then + return 0 + else + return 1 + fi +} + +find_next_available() { + raw_find_next_available "$(find_all_rules 'NAME=' "$1")" +} + +write_rule() { + local match="$1" + local name="$2" + local comment="$3" + + { + if [ "$PRINT_HEADER" ]; then + PRINT_HEADER= + echo "# This file was automatically generated by the $0" + echo "# program, run by the persistent-net-generator.rules rules file." + echo "#" + echo "# You can modify it, as long as you keep each rule on a single" + echo "# line, and change only the value of the NAME= key." + fi + + echo "" + [ "$comment" ] && echo "# $comment" + echo "SUBSYSTEM==\"net\", ACTION==\"add\"$match, NAME=\"$name\"" + } >> $RULES_FILE +} + +if [ -z "$INTERFACE" ]; then + echo "missing \$INTERFACE" >&2 + exit 1 +fi + +# Prevent concurrent processes from modifying the file at the same time. +lock_rules_file + +# Check if the rules file is writeable. +choose_rules_file + +# the DRIVERS key is needed to not match bridges and VLAN sub-interfaces +if [ "$MATCHADDR" ]; then + match="$match, DRIVERS==\"?*\", ATTR{address}==\"$MATCHADDR\"" +fi + +if [ "$MATCHDRV" ]; then + match="$match, DRIVERS==\"$MATCHDRV\"" +fi + +if [ "$MATCHDEVID" ]; then + match="$match, ATTR{dev_id}==\"$MATCHDEVID\"" +fi + +if [ "$MATCHID" ]; then + match="$match, KERNELS==\"$MATCHID\"" +fi + +if [ "$MATCHIFTYPE" ]; then + match="$match, ATTR{type}==\"$MATCHIFTYPE\"" +fi + +if [ -z "$match" ]; then + echo "missing valid match" >&2 + unlock_rules_file + exit 1 +fi + +basename=${INTERFACE%%[0-9]*} + +if [ "$INTERFACE_NAME" ]; then + # external tools may request a custom name + COMMENT="$COMMENT (custom name provided by external tool)" + if [ "$INTERFACE_NAME" != "$INTERFACE" ]; then + INTERFACE=$INTERFACE_NAME; + echo "INTERFACE_NEW=$INTERFACE" + fi +else + # if a rule using the current name already exists, find a new name + if interface_name_taken; then + INTERFACE="$basename$(find_next_available "$basename[0-9]*")" + # prevent INTERFACE from being "eth" instead of "eth0" + [ "$INTERFACE" = "${INTERFACE%%[ \[\]0-9]*}" ] && INTERFACE=${INTERFACE}0 + echo "INTERFACE_NEW=$INTERFACE" + fi +fi + +write_rule "$match" "$INTERFACE" "$COMMENT" + +unlock_rules_file + +exit 0 |