81 lines
2.7 KiB
Plaintext
81 lines
2.7 KiB
Plaintext
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#!/bin/sh
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# this script makes an attempt to build a proper set of rules
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# for loading the DAHDI modules and automatically running dahdi_xcfg
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#
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# it accepts two parameters:
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# the root prefix to be used for finding/creating the files
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# the list of module names being installed
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#
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# the process is as follows:
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#
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# the file can be located at /etc/modprobe.conf (combined with all
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# other rules), /etc/modprobe.d/dahdi (DAHDI only) or /etc/modules.d/dahdi
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# (DAHDI only)
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#
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# when the file is DAHDI rules only, then we don't preserve the existing
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# contents of the file; the system administrator can put desired options and
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# overrides in a separate file with a name that appears earlier in the sort
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# order, so there is no need to edit the file produced by this script
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#
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# when the file is combined with all other rules, then we make a backup
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# of it and remove all the old DAHDI rules we can find, replacing them with
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# new ones
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#
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# in addition, versions of module-init-tools 3.2.0 and later
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# have the ability to pass module parameters specified on the modprobe command
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# line to commands in 'install' rules, thus keeping them from being lost, so
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# we try to determine what version is installed and take advantage of that
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toolver=`/sbin/modprobe --version 2>/dev/null| awk '{print $3}' | cut -d. -f2 | cut -d- -f1`
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if [ ${toolver} -ge 2 ]; then
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cmdopts=\$CMDLINE_OPTS
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fi
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if [ -d ${1}/etc/modprobe.d ]; then
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target=${1}/etc/modprobe.d/dahdi
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elif [ -d ${1}/etc/modules.d ]; then
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target=${1}/etc/modules.d/dahdi
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elif [ -f ${1}/etc/modprobe.conf ]; then
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target=${1}/etc/modprobe.conf
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combined=1
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elif [ -f ${1}/etc/conf.modules ]; then
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target=${1}/etc/conf.modules
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combined=1
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else
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echo No suitable location for module rules can be found... exiting.
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exit 1
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fi
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if [ -n "${combined}" ]; then
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if [ -f ${target} ]; then
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mv ${target} ${target}.bak
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cat ${target}.bak | grep -v "alias char-major-250" | grep -v "alias char-major-196" > ${target}
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fi
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else
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if [ -f ${target} ]; then
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mv ${target} ${target}.bak
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fi
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echo "# automatically generated file; do not edit" > ${target}
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fi
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echo Building ${target}...
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for mod in ${2}; do
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if ! grep -q "install ${mod} " ${target}; then
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echo "install ${mod} /sbin/modprobe --ignore-install ${mod} ${cmdopts} && /sbin/ztcfg" >> ${target}
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fi
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done
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if [ -z "${combined}" ]; then
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echo "***"
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echo "*** WARNING:"
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echo "*** If you had custom settings in ${target},"
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echo "*** they have been moved to ${target}.bak."
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echo "***"
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echo "*** In the future, do not edit ${target}, but"
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echo "*** instead put your changes in another file"
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echo "*** in the same directory so that they will not"
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echo "*** be overwritten by future DAHDI updates."
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echo "***"
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fi
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