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#!/bin/bash
#
# Fix things during bootup - run very first 
# Executed at the begining of /etc/rc.d/rc.sysinit
#
# Urs Beyerle
#
 
### definitions
 
# dir of mounted /$MOUNTDIR/live
MOUNTDIR=livecd
 
# source functions
. /$MOUNTDIR/live/liblinuxlive
. /etc/init.d/functions
 
 
### get boot parameters
 
# root on NFS?
NFSROOT=$( cmdline_value nfsroot )
 
# kernel modules for blacklist?
BLACKLIST=$( cmdline_value blacklist )
 
# disable udev hotplug?
NOHOTPLUG=$( cmdline_parameter nohotplug )
 
 
### create /srv and /selinux
mkdir -p /srv
mkdir -p /selinux
 
 
### blacklist file
[ -e /etc/hotplug/blacklist ]    && BLACKLIST_FILE=/etc/hotplug/blacklist
[ -e /etc/modprobe.d/blacklist ] && BLACKLIST_FILE=/etc/modprobe.d/blacklist
 
 
### put wireless kernel module on blacklist, if boot over NFS
#   we don't need to load wireless modules, if we boot over network 
if [ $NFSROOT ]; then
 
    echo "Disable probing for wireless modules on diskless client"
    cp -a ${BLACKLIST_FILE} ${BLACKLIST_FILE}.ori
    echo >> ${BLACKLIST_FILE}
    echo "# Disable wireless modules on diskless client" >> ${BLACKLIST_FILE}
 
    # for SL4
    if [ -e /etc/hotplug/blacklist ]; then
	find /lib/modules/$( uname -r )/kernel/drivers/net/wireless -type f | grep -v "_" | while read module; do 
	    basename $module | cut -d"." -f 1
	done >> ${BLACKLIST_FILE}
    fi
 
    # for SL5
    if [ -e /etc/modprobe.d/blacklist ]; then
	find /lib/modules/$( uname -r )/kernel/drivers/net/wireless -type f | grep -v "_" | while read module; do 
	    echo -n "blacklist "; basename $module | cut -d"." -f 1
	done >> ${BLACKLIST_FILE}
    fi
fi
 
 
### blacklist kernel modules
if [ -n $BLACKLIST ]; then
    cp -a ${BLACKLIST_FILE} ${BLACKLIST_FILE}.ori
    echo                                       >> ${BLACKLIST_FILE}
    echo "# Added by boot parameter of LiveCD" >> ${BLACKLIST_FILE}
    for module in `echo "$BLACKLIST" | tr ':' ' '`; do
	echo "blacklist $module"               >> ${BLACKLIST_FILE}
    done
fi
 
 
### disable udev hotplug - may make the system unusable
[ -e /lib/udev/udev_run_hotplugd ] && HOTPLUG_FILE=/lib/udev/udev_run_hotplugd   # SL5
 
if [ $NOHOTPLUG ] && [ $HOTPLUG_FILE ]; then
    mv ${HOTPLUG_FILE} ${HOTPLUG_FILE}.ori
    touch ${HOTPLUG_FILE}
    chmod 755 ${HOTPLUG_FILE}
fi

Rev 261	Rev 262
1	`#!/bin/bash`	1	`#!/bin/bash`
2	`#`	2	`#`
3	`# Fix things during bootup - run very first`	3	`# Fix things during bootup - run very first`
4	`# Executed at the begining of /etc/rc.d/rc.sysinit`	4	`# Executed at the begining of /etc/rc.d/rc.sysinit`
5	`#`	5	`#`
6	`# Urs Beyerle`	6	`# Urs Beyerle`
7	`#`	7	`#`
8		8
9	`### definitions`	9	`### definitions`
10		10
11	`# dir of mounted /$MOUNTDIR/live`	11	`# dir of mounted /$MOUNTDIR/live`
12	`MOUNTDIR=livecd`	12	`MOUNTDIR=livecd`
13		13
14	`# source functions`	14	`# source functions`
15	`. /$MOUNTDIR/live/liblinuxlive`	15	`. /$MOUNTDIR/live/liblinuxlive`
16	`. /etc/init.d/functions`	16	`. /etc/init.d/functions`
17		17
18		18
19	`### get boot parameters`	19	`### get boot parameters`
20		20
21	`# root on NFS?`	21	`# root on NFS?`
22	`NFSROOT=$( cmdline_value nfsroot )`	22	`NFSROOT=$( cmdline_value nfsroot )`
23		23
24	`# kernel modules for blacklist?`	24	`# kernel modules for blacklist?`
25	`BLACKLIST=$( cmdline_value blacklist )`	25	`BLACKLIST=$( cmdline_value blacklist )`
26		26
27	`# disable udev hotplug?`	27	`# disable udev hotplug?`
28	`NOHOTPLUG=$( cmdline_parameter nohotplug )`	28	`NOHOTPLUG=$( cmdline_parameter nohotplug )`
29		29
30		30
31	`### create /srv and /selinux`	31	`### create /srv and /selinux`
32	`mkdir -p /srv`	32	`mkdir -p /srv`
33	`mkdir -p /selinux`	33	`mkdir -p /selinux`
34		34
35		35
36	`### blacklist file`	36	`### blacklist file`
37	`[ -e /etc/hotplug/blacklist ] && BLACKLIST_FILE=/etc/hotplug/blacklist`	37	`[ -e /etc/hotplug/blacklist ] && BLACKLIST_FILE=/etc/hotplug/blacklist`
38	`[ -e /etc/modprobe.d/blacklist ] && BLACKLIST_FILE=/etc/modprobe.d/blacklist`	38	`[ -e /etc/modprobe.d/blacklist ] && BLACKLIST_FILE=/etc/modprobe.d/blacklist`
39		39
40		40
41	`### put wireless kernel module on blacklist, if boot over NFS`	41	`### put wireless kernel module on blacklist, if boot over NFS`
42	`# we don't need to load wireless modules, if we boot over network`	42	`# we don't need to load wireless modules, if we boot over network`
43	`if [ $NFSROOT ]; then`	43	`if [ $NFSROOT ]; then`
44		44
45	`echo "Disable probing for wireless modules on diskless client"`	45	`echo "Disable probing for wireless modules on diskless client"`
46	`cp -a ${BLACKLIST_FILE} ${BLACKLIST_FILE}.ori`	46	`cp -a ${BLACKLIST_FILE} ${BLACKLIST_FILE}.ori`
47	`echo >> ${BLACKLIST_FILE}`	47	`echo >> ${BLACKLIST_FILE}`
48	`echo "# Disable wireless modules on diskless client" >> ${BLACKLIST_FILE}`	48	`echo "# Disable wireless modules on diskless client" >> ${BLACKLIST_FILE}`
49		49
50	`# for SL4`	50	`# for SL4`
51	`if [ -e /etc/hotplug/blacklist ]; then`	51	`if [ -e /etc/hotplug/blacklist ]; then`
52	`find /lib/modules/$( uname -r )/kernel/drivers/net/wireless -type f \| grep -v "_" \| while read module; do`	52	`find /lib/modules/$( uname -r )/kernel/drivers/net/wireless -type f \| grep -v "_" \| while read module; do`
53	`basename $module \| cut -d"." -f 1`	53	`basename $module \| cut -d"." -f 1`
54	`done >> ${BLACKLIST_FILE}`	54	`done >> ${BLACKLIST_FILE}`
55	`fi`	55	`fi`
56		56
57	`# for SL5`	57	`# for SL5`
58	`if [ -e /etc/modprobe.d/blacklist ]; then`	58	`if [ -e /etc/modprobe.d/blacklist ]; then`
59	`find /lib/modules/$( uname -r )/kernel/drivers/net/wireless -type f \| grep -v "_" \| while read module; do`	59	`find /lib/modules/$( uname -r )/kernel/drivers/net/wireless -type f \| grep -v "_" \| while read module; do`
60	`echo -n "blacklist "; basename $module \| cut -d"." -f 1`	60	`echo -n "blacklist "; basename $module \| cut -d"." -f 1`
61	`done >> ${BLACKLIST_FILE}`	61	`done >> ${BLACKLIST_FILE}`
62	`fi`	62	`fi`
63	`fi`	63	`fi`
64		64
65		65
66	`### blacklist kernel modules`	66	`### blacklist kernel modules`
67	`if [ -n $BLACKLIST ]; then`	67	`if [ -n $BLACKLIST ]; then`
68	`cp -a ${BLACKLIST_FILE} ${BLACKLIST_FILE}.ori`	68	`cp -a ${BLACKLIST_FILE} ${BLACKLIST_FILE}.ori`
-		69	`echo >> ${BLACKLIST_FILE}`
-		70	`echo "# Added by boot parameter of LiveCD" >> ${BLACKLIST_FILE}`
69	for module in `echo "$BLACKLIST" \| tr ':' ' '`; do	71	for module in `echo "$BLACKLIST" \| tr ':' ' '`; do
70	`echo $module >> ${BLACKLIST_FILE}`	72	`echo "blacklist $module" >> ${BLACKLIST_FILE}`
71	`done`	73	`done`
72	`fi`	74	`fi`
73		75
74		76
75	`### disable udev hotplug - may make the system unusable`	77	`### disable udev hotplug - may make the system unusable`
76	`[ -e /lib/udev/udev_run_hotplugd ] && HOTPLUG_FILE=/lib/udev/udev_run_hotplugd # SL5`	78	`[ -e /lib/udev/udev_run_hotplugd ] && HOTPLUG_FILE=/lib/udev/udev_run_hotplugd # SL5`
77		79
78	`if [ $NOHOTPLUG ] && [ $HOTPLUG_FILE ]; then`	80	`if [ $NOHOTPLUG ] && [ $HOTPLUG_FILE ]; then`
79	`mv ${HOTPLUG_FILE} ${HOTPLUG_FILE}.ori`	81	`mv ${HOTPLUG_FILE} ${HOTPLUG_FILE}.ori`
80	`touch ${HOTPLUG_FILE}`	82	`touch ${HOTPLUG_FILE}`
81	`chmod 755 ${HOTPLUG_FILE}`	83	`chmod 755 ${HOTPLUG_FILE}`
82	`fi`	84	`fi`

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