asterisk/contrib/scripts/astversion

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#!/bin/bash
#
# astversion - determine version/source of components
#
# use: astverion {options}
#
# options:
# --prefix=PATH - specify prefix from build
# --exec=PATH - specify asterisk executable
# --lib=PATH - specify asterisk library path
# --src=PATH - specify source path to search
#
# Copyright (c) 2015, Digium, Inc.
#
# Written by Scott Griepentrog <sgriepentrog@digium.com>
#
# Distributed under the terms of the GNU General Public License
# condense list of files when more than X in a set
CONDENSE=3
# libraries to provide the source/version of
LIBRARIES=(
libasteriskssl.so.1
libspandsp.so.2
libpjsip.so.2
libpri.so.1.4
)
# possible library locations
LIB_PATHS=(
/usr/lib
/usr/lib64
/lib
/lib64
/usr/local/lib
/usr/local/lib64
/opt/lib
/opt/lib64
)
# collection of files to search for
FILES=()
# source directories to search
SRC_DIRS=()
main()
{
TMPFILE="/tmp/astversion.$$"
sanity_check
locate_files "$@"
locate_libraries
locate_modules
echo "Checking Asterisk versions on $HOSTNAME at $(date)"
check_asterisk_version
check_dahdi_version
gather_packages
if [ ! -z "$DISTRO" ]
then
search_packages
else
echo "WARNING: Unable to determine distro, skipping package search"
fi
search_source
show_unknown_files
rm -f $TMPFILE
}
sanity_check()
{
# insure that needed tools are present
TOOLS=(uname basename fgrep cut head readlink find)
# making assumption that rpm and dpkg always exist on their platforms
for TOOL in ${TOOLS[@]}
do
if ! which $TOOL > /dev/null
then
echo "ERROR: please install package for $TOOL"
exit 1
fi
done
}
locate_files()
{
# guess prefix from executable path
SCRIPT_PREFIX="$(readlink -f ${0%/sbin/astversion} 2>/dev/null)"
if [ -x $SCRIPT_PREFIX/sbin/asterisk ]
then
PREFIX=$SCRIPT_PREFIX
ASTERISK_PATH=$SCRIPT_PREFIX/sbin/asterisk
fi
if [ -z "$ASTERISK_PATH" ]
then
ASTERISK_PATH=$(readlink -f $(which asterisk 2>/dev/null) 2>/dev/null)
PREFIX=${ASTERISK_PATH%/sbin/asterisk}
fi
# parse user supplied information
USER_PREFIX=""
USER_EXEC=""
for opt in "$@"
do
case "$opt" in
-h|--help)
echo "Use: astversion {--prefix=PATH} {--exec=PATH} {--lib=PATH}"
exit 0
;;
--prefix=*)
USER_PREFIX=${opt:9}
;;
--exec=*)
USER_EXEC=${opt:7}
;;
--lib=*)
LIBDIR=${opt:6}
;;
--src=*)
SRC_DIRS+=${opt:6}
;;
*)
echo "ERROR: Unknown option: $opt"
exit 1
;;
esac
done
# apply user supplied values
if [ ! -z "$USER_PREFIX" ]
then
PREFIX="$USER_PREFIX"
ASTERISK_PATH=""
fi
if [ ! -z "$USER_EXEC" ]
then
ASTERISK_PATH="$USER_EXEC"
fi
# locate asterisk executable
if [ -z "$ASTERISK_PATH" ]
then
ASTERISK_PATH="$PREFIX/sbin/asterisk"
fi
if [ ! -x "$ASTERISK_PATH" ]
then
echo "ERROR: the Asterisk executable is not found or not executable at $ASTERISK_PATH"
exit 1
fi
FILES+=($ASTERISK_PATH)
# locate dahdi_cfg executable
DAHDI_CFG_PATH=$(readlink -f $(which dahdi_cfg 2>/dev/null) 2>/dev/null)
if [ ! -z "$DAHDI_CFG_PATH" ]
then
FILES+=($DAHDI_CFG_PATH)
fi
# locate asterisk libdir
if [ -z "$LIBDIR" ]
then
LIBDIR="$PREFIX/lib"
if [ `uname -m` = "x86_64" -a -d "$PREFIX/lib64" ]
then
LIBDIR="$PREFIX/lib64"
fi
fi
if [ ! -d "$LIBDIR/asterisk/modules" ]
then
echo "ERROR: asterisk module directory not found at $LIBDIR"
exit 1
fi
}
locate_libraries()
{
# LIBDIR should contain libasteriskssl, but others may be elsewhere
# add LIBDIR to path list
if ! [[ " ${LIB_PATHS[@]} " =~ " $LIBDIR " ]]
then
LIB_PATHS+=($LIBDIR)
fi
for LIBRARY in ${LIBRARIES[@]}
do
FOUND_LIB=()
for LIB_PATH in ${LIB_PATHS[@]}
do
FULL_PATH="$LIB_PATH/$LIBRARY"
if [ ! -L $LIB_PATH -a -f $FULL_PATH ]
then
FOUND_LIB+=($FULL_PATH)
FILES+=($FULL_PATH)
fi
done
if [ ${#FOUND_LIB[@]} -gt 1 ]
then
echo "### WARNING: duplicate libraries found: ${FOUND_LIB[@]}"
fi
done
}
check_asterisk_version()
{
# get the version that the executable says it is
echo "Using Asterisk executable: $ASTERISK_PATH"
AST_EXEC_VER=$($ASTERISK_PATH -V)
if [ -z "$AST_EXEC_VER" ]
then
echo "### ERROR: Unable to find Asterisk version from executable"
exit 1
fi
if [ "${AST_EXEC_VER:0:9}" != "Asterisk " ]
then
echo "### ERROR: Unexpected version from executable: $AST_EXEC_VER"
exit 1
fi
# compare with the version that is running
if ! $ASTERISK_PATH -rx "core show version" > $TMPFILE 2>/dev/null
then
echo "Installed version: $AST_EXEC_VER"
echo "Asterisk is not running - more details are available when running."
AST_RUN_VER=""
else
AST_RUN_VER=$(grep '^Asterisk [^e][^n][^d]' < $TMPFILE)
if [ -z "$AST_RUN_VER" ]
then
echo "### ERROR: Unable to find Asterisk version from running instance"
exit 1
fi
# is it running the same version? (note: space is significant!)
if ! fgrep "$AST_EXEC_VER " < $TMPFILE > /dev/null
then
echo "Installed version: $AST_EXEC_VER"
echo "### WARNING: Asterisk is running different version:"
fi
echo "$AST_RUN_VER"
fi
}
check_dahdi_version()
{
if [ ! -f /sys/module/dahdi/version ]
then
echo "Dahdi kernel module is not installed"
else
DAHDI_KERNEL=$(cat /sys/module/dahdi/version)
echo "Dahdi kernel module version: $DAHDI_KERNEL"
fi
if ! which dahdi_cfg >&/dev/null
then
echo "Dahdi tools are not installed"
else
DAHDI_TOOLS=$(dahdi_cfg -v |& head -1)
echo "$DAHDI_TOOLS"
fi
if $ASTERISK_PATH -rx "dahdi show version" > $TMPFILE 2>/dev/null
then
DAHDI_CLI=$(grep ^DAHDI $TMPFILE)
# may be empty if dahdi not installed
if [ ! -z "$DAHDI_CLI" ]
then
echo "Asterisk reports: $DAHDI_CLI"
else
echo "Asterisk reports that Dahdi is not available"
fi
fi
}
scan_package_redhat()
{
PKGNAME="$1"
if ! rpm -q $PKGNAME > /tmp/astversion-$PKGNAME-version
then
rm -f /tmp/astversion-$PKGNAME-version
return 2
fi
rpm -ql $PKGNAME > /tmp/astversion-$PKGNAME-files
rpm -V $PKGNAME > /tmp/astversion-$PKGNAME-verify
return 0
}
scan_package_debian()
{
PKGNAME="$1"
if ! dpkg -s $PKGNAME > $TMPFILE
then
rm -f /tmp/astversion-$PKGNAME-version
return 2
fi
# prefix the version with the package name to mimic rpm
echo -n "$PKGNAME " > /tmp/astversion-$PKGNAME-version
cat $TMPFILE | fgrep Version |cut -d ' ' -f2 >> /tmp/astversion-$PKGNAME-version
dpkg -L $PKGNAME > /tmp/astversion-$PKGNAME-files
dpkg -V $PKGNAME > /tmp/astversion-$PKGNAME-verify
}
package_has_file()
{
PKGNAME="$1"
PKGFILE="$2"
if [ ! -f /tmp/astversion-$PKGNAME-version ]
then
return 1
fi
if [ ! -f /tmp/astversion-$PKGNAME-files ]
then
return 2
fi
if ! fgrep "$PKGFILE" /tmp/astversion-$PKGNAME-files >/dev/null
then
# package doesn't have that file
return 3
fi
if fgrep "$PKGFILE" /tmp/astversion-$PKGNAME-verify >/dev/null
then
# file does not match package
return 4
fi
return 0
}
gather_packages()
{
# build a list of installed packages that are likely to contain files of interest
PACKAGES=()
SEARCH=(asterisk dahdi libpri pjproject spandsp)
DISTRO=""
if [ -f /etc/redhat-release ]
then
DISTRO="redhat"
for NAME in ${SEARCH[@]}
do
PACKAGES+=($(rpm -qa |fgrep $NAME))
done
fi
if [ -f /etc/debian_version ]
then
DISTRO="debian"
for NAME in ${SEARCH[@]}
do
PACKAGES+=($(dpkg --get-selections |cut -f1 |fgrep $NAME))
done
fi
}
locate_modules()
{
# build a list of files that need to be located
MODULES=($LIBDIR/asterisk/modules/*.so)
# add libraries and binaries that exist to the files list
for MODULE in ${MODULES[@]}
do
FILES+=($MODULE)
done
}
search_packages()
{
# search each package and report files that match
for PACKAGE in ${PACKAGES[@]}
do
scan_package_$DISTRO "$PACKAGE"
PKGVERSION=$(cat /tmp/astversion-$PKGNAME-version)
FOUND=()
for FILE in ${FILES[@]}
do
if package_has_file "$PACKAGE" "$FILE"
then
FOUND+=($FILE)
FILES=(${FILES[@]/$FILE/})
fi
done
if [ ! -z "$FOUND" ]
then
if [ ${#FOUND[@]} -le $CONDENSE ]
then
for FILEFOUND in ${FOUND[@]}
do
echo "Matched $FILEFOUND to package $PKGVERSION"
done
else
echo "Matched ${#FOUND[@]} files to package $PKGVERSION"
fi
fi
rm -f /tmp/astversion-$PKGNAME-version
rm -f /tmp/astversion-$PKGNAME-files
rm -f /tmp/astversion-$PKGNAME-verify
done
}
search_source()
{
# look for source path locally (compiled on this machine)
# - scan elfs for compilation directory
# - compare the file to confirm match
if [ -z "$FILES" ]
then
return
fi
# skip this check when without readelf tool (fedora 22)
if ! which readelf >& /dev/null
then
echo "Warning: skipping source detection because readelf utility is not available"
return
fi
# build a list of source paths
DIRS=()
for FILE in ${FILES[@]}
do
DEBUG_ELF=$(readelf -wi $FILE |fgrep DW_AT_comp_dir |head -1)
COMP_DIR=${DEBUG_ELF##* }
DIR=${COMP_DIR//[[:space:]]/}
if [ -d $DIR ]
then
if ! [[ " ${DIRS[@]} " =~ " $DIR " ]]
then
DIRS+=($DIR)
fi
fi
done
# add in user specified directories last
for DIR in ${SRC_DIRS[@]}
do
if ! [[ " ${DIRS[@]} " =~ " $DIR " ]]
then
DIRS+=($DIR)
fi
done
# for each source path, look for target file
for DIR in ${DIRS[@]}
do
FOUND=()
for FILE in ${FILES[@]}
do
BINARY_FILE=$(basename $FILE)
BINARY_PATH="$DIR/$BINARY_FILE"
if [ ! -f "$BINARY_PATH" ]
then
# it may be hiding somewhere
FIND_BINARY=$(find $DIR -name $BINARY_FILE |head -1)
if [ ! -z "$FIND_BINARY" ]
then
BINARY_PATH=$FIND_BINARY
fi
fi
if [ -f "$BINARY_PATH" ]
then
if cmp $BINARY_PATH $FILE >/dev/null
then
FOUND+=($FILE)
FILES=(${FILES[@]/$FILE/})
fi
fi
done
if [ ! -z "$FOUND" ]
then
if [ ${#FOUND[@]} -le $CONDENSE ]
then
for FILEFOUND in ${FOUND[@]}
do
echo "Located $FILEFOUND compiled from $DIR"
done
else
echo "Located ${#FOUND[@]} files compiled from $DIR"
fi
fi
done
}
show_unknown_files()
{
# show a warning for any remaining files unaccounted for
if [ -z "$FILES" ]
then
echo "Success: all files accounted for."
else
echo ""
echo "WARNING: source of the following files was not found:"
if ! which readelf >& /dev/null
then
for FILE in ${FILES[@]}
do
echo " ### $FILE"
done
else
for FILE in ${FILES[@]}
do
DEBUG_ELF=$(readelf -wi $FILE |fgrep DW_AT_comp_dir |head -1)
if [ -z "$DEBUG_ELF" ]
then
COMP_DIR="(no debug info)"
else
COMP_DIR=${DEBUG_ELF##* }
fi
echo " ### $FILE - $COMP_DIR"
done
fi
fi
}
main "$@"