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#! /bin/sh # $Id: osql,v 1.12 2011-05-11 03:08:13 jklowden Exp $ # # Check odbc.ini, odbcinst, and, optionally, freetds.conf, # then execute isql (assume it's unixODBC's isql). # USAGE="Syntax: $(basename "$0") -S server -U user -P password" while getopts I:S:U:P: OPTION do case ${OPTION} in I) OVER_DIR=${OPTARG} # override ;; S) DSN=${OPTARG} ;; U) USERNAME=${OPTARG} ;; P) PASSWORD=${OPTARG} ;; \?) echo "$USAGE" exit 1 ;; esac done #cho ${DSN} ${USERNAME} ${PASSWORD} if [ -z "${DSN}" ] || [ -z "${USERNAME}" ] || [ -z "${PASSWORD}" ] then echo "$USAGE" exit 1 fi ISQL=$(command -v isql) if [ -z "${ISQL}" ] then echo "$(basename "$0"): error: no \"isql\" command found. Is unixODBC installed?" exit 1 fi # Establish ODBC prefix directory ISQL_DIR=$(strings "${ISQL}" | grep ^/ | grep -v elf | grep -v '\.so\.' | head -1 | sed 's/lib$/etc/' ) INI_DIRNAME="/tmp/$(basename "$0").$$" exec 3> "${INI_DIRNAME}" # Check the libraries, too. if [ -z "${OVER_DIR}" ] then libcmd='ldd "${ISQL}" | awk "/libodbc\./ {print \$3}"' if ! command -V ldd >/dev/null 2>&1 && command -V otool >/dev/null 2>&1 then libcmd='otool -L "${ISQL}" | awk "/libodbc\./ {print \$1}"' fi echo "checking shared odbc libraries linked to isql for default directories..." (echo ${ISQL_DIR}; eval "$libcmd") \ | while read L do strings "$L" | grep '^/' | grep -v '/lib' \ | while read D do if [ ! -s "${INI_DIRNAME}" ] then printf " trying %s ... " "$D" if [ -d "$D" ] && [ -r "${D}/odbc.ini" ] then echo "$D" >&3 printf "OK" else printf "no" fi printf "\n" fi done done fi exec 3>&- ODBC_DIR=$(cat "${INI_DIRNAME}") && rm "${INI_DIRNAME}" if [ -z "${ODBC_DIR}" ] && [ -z "${OVER_DIR}" ] then echo "$(basename "$0"): problem: no potential directory strings in \"$(command -v isql)\"" echo "$(basename "$0"): advice: use \"osql -I DIR\" where DIR unixODBC\'s install prefix e.g. /usr/local" echo "isql strings are:" strings "${ISQL}" | grep ^/ | sed 's/^/+ /' #xit 1 fi if [ "${OVER_DIR}" ] then if [ -d "${ODBC_DIR}" ] then echo "\"${ODBC_DIR}\" is a directory, overridden by" else echo "\"${ODBC_DIR}\" is NOT a directory, overridden by" fi echo "\"${OVER_DIR}\"." if [ -d "${OVER_DIR}" ] then ODBC_DIR=${OVER_DIR} else echo "$(basename "$0"): error: \"${OVER_DIR}\" is not a directory" exit 1 fi fi # Look for server entry in odbc.ini echo 'checking odbc.ini files' for F in "${HOME}/.odbc.ini" "${ODBC_DIR}/odbc.ini" do if [ ! -d "$(dirname "$F")" ] then echo "warning: $(dirname "$F") is not a directory" continue fi if [ -r "$F" ] then echo " reading $F" else echo " cannot read \"$F\"" continue fi grep -F "[${DSN}]" "$F" > /dev/null if [ $? -eq 0 ] then echo "[${DSN}] found in $F" ODBC_INI=$F break else echo "[${DSN}] not found in $F" fi done if [ -z "${ODBC_INI}" ] then echo "$(basename "$0"): error: unable to locate ${DSN} in any odbc.ini" exit 1 fi # Report finding of server entry echo found this section: SED_CMD="/^\[${DSN}\]/,/^[[:space:]]*$/ { s/^/ /; p; }" sed -ne "${SED_CMD}" "${ODBC_INI}" # # Examine server entry in odbc.ini # # Find the driver in the servername or default section for D in "${DSN}" 'default' do echo "looking for driver for DSN [$D] in ${ODBC_INI}" grep "$D" "${ODBC_INI}" > /dev/null if [ $? -eq 0 ] then CMD="/^\[$D\]/,/^[[:space:]]*$/ { s/^/ /; p; }" DRIVER_LINE=$(sed -ne "${CMD}" "${ODBC_INI}" \ | grep -Ei '^[[:space:]]*driver[[:space:]]*=') if [ -z "${DRIVER_LINE}" ] then echo " no driver mentioned for [$D] in $(basename "${ODBC_INI}")" continue fi echo " found driver line: \"${DRIVER_LINE}\"" DRIVER=$(echo "${DRIVER_LINE}" \ | awk -F ' *= *' '{print $2}' \ | sed 's/[[:space:]][[:space:]]*//g') if [ "${DRIVER}" ] then echo " driver \"${DRIVER}\" found for [$D] in $(basename "${ODBC_INI}")" break else echo " driver line for [$D] incomplete in $(basename "${ODBC_INI}")" continue fi fi done if [ -z "${DRIVER}" ] then echo "$(basename "$0"): error: no driver found for [${DSN}] in $(basename "${ODBC_INI}")" exit 1 fi # get filename of driver echo "found driver named \"${DRIVER}\"" if [ -d "${DRIVER}" ] || [ ! -x "${DRIVER}" ] then # not a filename, look it up DRIVERNAME=${DRIVER} ODBC_INST="${ODBC_DIR}/odbcinst.ini" echo "\"${DRIVERNAME}\" is not an executable file" echo "looking for entry named [${DRIVERNAME}] in ${ODBC_INST}" grep "${DRIVERNAME}" "${ODBC_INST}" > /dev/null if [ $? -ne 0 ] then if [ $? -eq 1 ] then echo "$(basename "$0"): error: no driver entry [${DRIVERNAME}] in ${ODBC_INST}" fi exit 1; fi CMD="/^\[${DRIVERNAME}\]/,/^[[:space:]]*$/ { s/^/ /; p; }" DRIVER_LINE=$(sed -ne "${CMD}" "${ODBC_INST}" \ | grep -Ei '^[[:space:]]*driver[[:space:]]*=') if [ -z "${DRIVER_LINE}" ] then echo "$(basename "$0"): no driver mentioned for [${DRIVERNAME}] in $(basename "${ODBC_INST}")" exit 1 fi echo " found driver line: \"${DRIVER_LINE}\"" DRIVER=$(echo "${DRIVER_LINE}" | awk -F ' *= *' '{print $2}') if [ -z "${DRIVER}" ] then echo "$(basename "$0"): driver line incomplete for [${DRIVERNAME}] in $(basename "${ODBC_INST}")" exit 1 fi echo " found driver ${DRIVER} for [${DRIVERNAME}] in $(basename "${ODBC_INST}")" fi if [ -z "${DRIVER}" ] then echo "$(basename "$0"): error: sorry, failed sanity check: \${DRIVER} is null" exit 1 fi if [ -x "${DRIVER}" ] then echo "${DRIVER} is an executable file" else echo "${DRIVER} is not an executable file" echo "$(basename "$0"): error: no driver found for ${DSN}" exit 1 fi # find the server/servername SERVER_LINE=$(sed -ne "${SED_CMD}" "${ODBC_INI}" \ | grep -Ei '^[[:space:]]*server(name)*[[:space:]]*=') ATTRIBUTE=$(echo "${SERVER_LINE}" | awk -F' *= *' '{print $1}') if [ -z "${ATTRIBUTE}" ] then echo "$(basename "$0"): neither \"Server\" nor \"Servername\" found for [${DSN}] in $(basename "${ODBC_INI}")" exit 1 fi echo "${SERVER_LINE}" | grep -i servername >/dev/null # # Find the server's hostname # if [ $? -eq 0 ] # ODBC-Combined then TDS_SERVER=$(echo "${SERVER_LINE}" | awk -F ' *= *' '{print $2}') echo 'Using ODBC-Combined strategy' echo "DSN [${DSN}] has servername \"${TDS_SERVER}\" (from ${ODBC_INI})" if [ -z "${TDS_SERVER}" ] then exit 1 fi # Look for $TDS_SERVER in freetds.conf FREETDS_DIR=$(tsql -C | grep 'freetds.conf directory' | awk -F: '{print $2}' | sed 's/^ *//') if [ -z "${FREETDS_DIR}" ] then echo "$(basename "$0"): error: unable to locate directory for freetds.conf using \"$(command -v tsql)\"" exit 1 fi for F in "${HOME}/.freetds.conf" "${FREETDS_DIR}/freetds.conf" do if [ -r "$F" ] then echo "$F is a readable file" else echo "cannot read \"$F\"" continue fi echo "looking for [${TDS_SERVER}] in $F" grep -F "[${TDS_SERVER}]" "$F" > /dev/null if [ $? -eq 0 ] then FREETDS_CONF=$F break else echo "[${TDS_SERVER}] not found in $F" fi done if [ -z "${FREETDS_CONF}" ] then echo "$(basename "$0"): error: unable to locate ${TDS_SERVER} in any freetds.conf" exit 1 fi # Examine server entry in freetds.conf echo found this section: SED_CMD="/^\[${TDS_SERVER}\]/,/^[[:space:]]*$/ { s/^/ /; p; }" sed -ne "${SED_CMD}" "${FREETDS_CONF}" SERVER_LINE=$(sed -ne "${SED_CMD}" "${FREETDS_CONF}" \ | grep -Ei '^[[:space:]]*host[[:space:]]*=') # No character class support in mawk, # cf. "Mawk does not support Posix character classes in expressions" # https://bugs.launchpad.net/ubuntu/+source/mawk/+bug/69724 HOST=$(echo "${SERVER_LINE}" | awk -F' *= *' '{print $2}') if [ -z "${HOST}" ] then echo "$(basename "$0"): no \"host\" entry found for [${TDS_SERVER}] in $(basename "${FREETDS_CONF}")" exit 1 fi else # odbc.ini contains a "server", a DNS host HOST=$(echo "${SERVER_LINE}" | awk -F ' *= *' '{print $2}') echo "\"${ATTRIBUTE}\" found, not using freetds.conf" echo "${ATTRIBUTE} is \"${HOST}\"" if [ -z "${HOST}" ] then echo "$(basename "$0"): no value found for \"${ATTRIBUTE}\" entry in $(basename "${ODBC_INI}")" exit 1 fi fi # If the "host" is an ip address, look up the name, for neatness, e.g. ## $ host 10.81.36.39 ## 39.36.81.10.IN-ADDR.ARPA domain name pointer ntc5003.eg.com if [ "${HOST}" = "$(echo "${HOST}" | sed 's/[^.0-9]*//')" ] then ADDRESS=${HOST} echo "looking up hostname for ip address ${ADDRESS}" HOST=$(host "${HOST}" | awk '/domain/ {print $5}' | sed 's/\.$//') if [ -z "${HOST}" ] then echo "$(basename "$0"): warning: no DNS hostname found for \"${ADDRESS}\"" HOST=${ADDRESS} # restore host address string fi fi # Now we have a DNS hostname for the server in HOST if [ "${HOST}" != "${ADDRESS}" ] then ADDRESS=$(host "${HOST}" | awk '/has address/ {print $4}' | head -1) fi if [ -z "${ADDRESS}" ] then echo "$(basename "$0"): no IP address found for \"${HOST}\"" exit 1 fi #cho ${HOST} has address ${ADDRESS} # Report what we know and exec isql printf "\n" printf "Configuration looks OK. Connection details:\n\n" printf "%22s:\t%-30s\n" DSN "${DSN}" printf "%22s:\t%-30s\n" odbc.ini "${ODBC_INI}" printf "%22s:\t%-30s\n" Driver "${DRIVER}" printf "%22s:\t%-30s\n" "Server hostname" "${HOST}" printf "%22s:\t%-30s\n" Address "${ADDRESS}" printf "\n" echo "Attempting connection as ${USERNAME} ..." if [ -z "${TDSDUMP}" ] then TDSDUMP_AUTO="/tmp/$(basename "$0").dump.$$" export TDSDUMP=${TDSDUMP_AUTO} fi ( set -x; isql "${DSN}" "${USERNAME}" "${PASSWORD}" -v ) \ || sed -ne 's/Connecting/FAILED &/p' "${TDSDUMP}" test "${TDSDUMP_AUTO}" && rm -f "${TDSDUMP_AUTO}"
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