....................................../////.===Shadow-Here===./////................................................ > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < ------------------------------------------------------------------------------------------------------------------- /////////////////////////////////////////////////////////////////////////////////////////////////////////////////// RIFF¤ WEBPVP8 ˜ ðÑ *ôô>‘HŸK¥¤"§£±¨àð enü¹%½_F‘åè¿2ºQú³íªú`N¿­3ÿƒügµJžaÿ¯ÿ°~¼ÎùnúîÞÖô•òíôÁÉß®Sm¥Ü/ ‡ó˜f£Ùà<˜„xëJ¢Ù€SO3x<ªÔ©4¿+ç¶A`q@Ì“Úñè™ÍÿJÌ´ª-˜ÆtÊÛL]Ïq*‘Ý”ì#ŸÌÏãY]@ê`¿ /ªfkØB4·®£ó z—Üw¥Pxù–ÞLШKÇN¾AkÙTf½è'‰g gÆv›Øuh~ a˜Z— ïj*á¥t d£“uÒ ¨`K˜¹ßþ]b>˜]_ÏÔ6W—è2r4x•íÖ…"ƒÖNîä!¦å Ú}ýxGøÌ —@ ;ÆÚŠ=ɾ1ý8lªË¥ô ^yf®Œ¢u&2©nÙÇ›ñÂñŒ³ aPo['½»øFùà­+4ê“$!lövlüÞ=;N®3ð‚õ›DÉKòÞ>ÄÍ ¥ˆuߤ#ˆ$6ù™¥îŠ‡y’ÍB¼ çxÛ;X"WL£R÷͝*ó-¶Zu}º.s¸sšXqù–DþÿvªhüïwyŸ ¯é³lÀ:KCûÄ£Ëá\…­ ~—ýóî ¼ûûÜTÓüÇy…ŽÆvc»¾×U ñ¸žþоP÷¦ó:Ò¨¨5;Ð#&#ÖúñläÿÁœ GxÉ­/ñ‡áQðìYÉtÒwŽ¼GÔ´zàÒò ð*ëzƒ•4~H]Ø‹f ñÓÈñ`NåWçs'ÆÏW^ø¹!XžµmQ5ÃËoLœÎ: ÞËÍ¥J ù…î èo£ßPÎñ¶ž8.Œ]ʵ~5›ÙË-ù*8ÙÖß±~ ©¹rÓê‚j¶d¸{^Q'˜±Crß ÚH—#¥¥QlÀ×ëã‡DÜ«èî þ&Çæžî;ŽÏºò6ÒLÃXy&ZŒ'j‚¢Ù€IßÚù+–MGi‰*jE€‘JcÜ ÓÌ EÏÚj]o˜ Þr <¾U ûŪæÍ/šÝH¥˜b”¼ ÁñßX GP›ï2›4WŠÏà×£…íÓk†¦H·ÅíMh–*nó÷à]ÁjCº€b7<ب‹¨5車bp2:Á[UªM„QŒçiNMa#<5›áËó¸HýÊ"…×Éw¹¦ì2º–x<›»a±¸3Weü®FÝ⑱ö–î–³|LPÈ~çð~Çå‡|º kD¢µÏàÆAI %1À% ¹Ò – ”ϝS¦‰4&¶£°à Öý”û_Ò Áw°A«Å€?mÇÛgHÉ/8)á¾ÛìáöŽP í¨PŸNÙµº¦‡§Ùš"ÿ«>+ªÕ`Ê÷‡‚ß Õû˜þãÇ-PÍ.¾XV‘€ dÜ"þ4¹ ±Oú‘©t¥¦FªÄÃÄ•b‚znýu½—#cDs˜ÃiÑOˆñ×QO=*IAÊ,¶ŽZƒ;‡wøXè%EÐk:F±Ú” .Ѽ+Áu&Ç`."pÈÉw o&¿dE6‘’EqTuK@Ì¥ã™À(Êk(h‰,H}RÀIXÛš3µ1©_OqÚÒJAñ$ÊÙÜ;D3çŒ[þùœh¬Ã³™ö6ç†NY".Ú‰ï[ªŸŒ '²Ð öø_¨ÂÉ9u鶳ÒŠõTàîMØ#û¯gN‡bÙ놚X„ö …ÉeüÌ^J ‹€.œ$Æ)βÄeæW#óüßĺŸ€ ÀzwV 9oä»f4V*uB «Ë†¹ì¯žR霓æHXa=&“I4K;¯ç‹h×·"UŠ~<•â•ªVêª&ÍSÃÆÅ?ÔqÎ*mTM ˜›µwêd#[C¡©§‘D<©àb†–ÁœøvH/,í:¯( ²£|4-„Æövv„Yͼ™^Á$ˆ„¢Û[6yB.åH*V¨æ?$=˜Ñ€•î¦ñ·­(VlŸ‘ nÀt8W÷´Bûba?q9ú¶Xƒl«ÿ\ù¶’þòUÐj/õ¢Ìµ³g$ƒÎR!¸»|Oߍë’BhîÚÑ¢ñåŒJ„®„£2Ð3•ô02Nt…!£Í]Ïc½Qÿ?ˆ<&ÃA¾Ú,JˆijÌ#5yz„‰Î|ÊŽ5QÏ:‹ÐaóVÔxW—CpeÏzÐïíçôÿÅ_[hãsÐ_/ŽTÝ?BîˆííV$<¿i>²F¬_Eß¿ †bÊŒº­ÿ®Z H“C}”¬,Mp ý/Bá£w>˜YV°aƒúh+cŠ- r/[%|üUMHäQ°X»|û/@|°¥Ð !BÔ Ç¢Ä©š+Õì D«7ìN¶ŽðÔ " ƶ’ÖçtA‰Û×}{tþz­¾GÍ›k¹OEJR$ Â׃ «ëÁ"oÉôž$oUK(Ä)Ãz³Ê-‹êN[Ò3Œñbï8P 4ƒ×q¢bo|?<ÛX¬òÄÍ°L–±›(™ûG?ýË©ÚÄ–ÂDØÐ_Ç¡ô ¾–ÄÏø ×e8Ë©$ÄF¹Å‹ì[©óìl:F¾f´‹‹Xì²ï®\¬ôùƒ ÿat¥óèÒùHß0äe‚;ü×h:ÆWðHž=Ã8骣"kœ'Y?³}Tûè€>?0l›e1Lòñ„aæKÆw…hÖŠùW…ÈÆÄ0ši·›[pcwËþñiêíY/~-Á5˜!¿†A›™Mÿþ(±“t@â“ö2­´TG5yé]çå僳 .·ÍïçÝ7UÚ±Ð/Nè»,_Ï ùdj7\ï Wì4›„»c¸àešg#ÒÊ⥭áØo5‘?ÌdÝô¯ ¹kzsƒ=´#ëÉK›Ø´±-¥eW?‡çßtòTã…$Ý+qÿ±ƒ÷_3Ô¥í÷:æ–ž<·Ö‡‰Å¢ š‡%Ô—utÌÈìðžgÖÀz²À—ï÷Óîäõ{K'´È÷³yaÏÁjƒô}ž§®æÊydÕÈë5¯èˆõvÕ©ã*çD„ “z„Ó‡^^xÂ3M§A´JG‚öï 3W'ˆ.OvXè¡ÊÕª?5º7†˜(˜Ç¶#çê’¶!ÌdZK§æ 0fãaN]òY³RV ™î$®K2R¨`W!1Ôó\;Ý ýB%qæK•&ÓÈe9È0êI±žeŸß -ú@žQr¦ ö4»M¼Áè¹µmw 9 EÆE_°2ó„ŸXKWÁ×Hóì^´²GѝF©óäR†¦‰ç"V»eØ<3ùd3ÿÚ¤Žú“Gi" —‘_ÙËÎ~Üö¯¥½Î»üŸEÚŽåmÞþí ;ÞólËΦMzA"Âf(´òá;Éï(/7½ûñÌ­cïÕçлþÝz¾-ÍvÑ“pH­–ðÓj$¸Äû¤‚‘ãUBË-n“2åPkS5&‹Â|+g^œ®Ì͆d!OïäîU«c;{Û!ÅŽ«ëZ9Ókóˆ]¯ƒ›né `ÇÒ+tÆš (ØKá¾—=3œ®•vuMñg²\ï Ec€ 05±d™‡×iÇ×›UúvÌ¢£Èþ¡ÕØô¶ßÎA"ß±#Ö²ˆÊŸ¦*Ä~ij|àø.-¼'»Ú¥£h ofº¦‡VsR=N½„Î v˜Z*SÌ{=jÑB‹tê…;’HžH¯8–îDù8ñ¢|Q•bÛçš–‹m³“ê¨ åÏ^m¬Žãþ©ïêO‡½6] µÆ„Ooòü ²x}N¦Ë3ïé¿»€›HA˜m%çÞ/¿í7Fø“‹léUk)É°Œµ8Q8›:ÀŠeT*šõ~ôڝG6 ¢}`ùH­–”¡k ‰P1>š†®9z11!X wKfmÁ¦xÑ,N1Q”–æB¶M…ÒÃv6SMˆhU¬ÊPŽï‘öj=·CŒ¯u¹ƒVIЃsx4’ömÛýc塶7ßŠß 57^\wÒÐÆ k§h,Œý î«q^R½3]J¸ÇðN ‚çU¬ôº^Áì} ³f©Õœ§ˆã:FÄÈ‚é(€™?àýÓüè1Gô£¼éj‚OÅñ  #>×—ßtà 0G¥Åa뀐kßhc™À_ÉñÞ#±)GD" YîäË-ÿÙ̪ ¹™a¯´¢E\ÝÒö‚;™„ë]_ p8‰o¡ñ+^÷ 3‘'dT4œŽ ðVë½° :¬víÑ«£tßÚS-3¶“þ2 †üüʨòrš¹M{É_¤`Û¨0ìjœøJ‡:÷ÃáZ˜†@GP&œÑDGÏs¡þ¦þDGú‘1Yá9Ôþ¼ ûø…§÷8&–ÜÑnÄ_m®^üÆ`;ÉVÁJ£?â€-ßê}suÍ2sõA NÌúA磸‘îÿÚ»ƒìö·á¿±tÑÐ"Tÿü˜[@/äj¬€uüªìù¥Ý˜á8Ý´sõj 8@rˆð äþZÇD®ÿUÏ2ùôõrBzÆÏÞž>Ì™xœ“ wiÎ×7_… ¸ \#€MɁV¶¥üÕÿPÔ9Z‡ø§É8#H:ƒ5ÀÝå9ÍIŒ5åKÙŠ÷qÄ>1AÈøžj"µÂд/ªnÀ qªã}"iŸBå˜ÓÛŽ¦…&ݧ;G@—³b¯“•"´4í¨ôM¨åñC‹ïùÉó¯ÓsSH2Ý@ßáM‡ˆKÀªÛUeø/4\gnm¥‹ŸŒ qÄ b9ÞwÒNÏ_4Ég³ú=܆‚´ •â¥õeíþkjz>éÚyU«Íӝ݃6"8/ø{=Ô¢»G¥ äUw°W«,ô—¿ãㆅү¢³xŠUû™yŒ (øSópÐ 9\åTâ»—*oG$/×ÍT†Y¿1¤Þ¢_‡ ¼ „±ÍçèSaÓ 3ÛMÁBkxs‰’R/¡¤ˆÙçª(*õ„üXÌ´ƒ E§´¬EF"Ù”R/ÐNyÆÂ^°?™6¡œïJ·±$§?º>ÖüœcNÌù¯G ‹ñ2ŠBB„^·úìaz¨k:#¨Æ¨8LÎõލ£^§S&cŒÐU€ü(‡F±Š¼&P>8ÙÁ ‰ p5?0ÊƃZl¸aô š¼¡}gÿ¶zÆC²¹¬ÎÖG*HB¡O<º2#ñŒAƒ–¡B˜´É$¥›É:FÀÔx¾u?XÜÏÓvN©RS{2ʈãk9rmP¼Qq̳ è¼ÐFׄ^¡Öì fE“F4A…!ì/…¦Lƒ… … $%´¾yã@CI¬ á—3PþBÏNÿ<ý°4Ü ËÃ#ØÍ~âW«rEñw‹eùMMHß²`¬Öó½íf³:‹k˜¯÷}Z!ã¿<¥,\#öµÀ¯aÒNÆIé,Ћ–lŽ#Àæ9ÀÒS·I’½-Ïp Äz¤Š Â* ­íÄ9­< h>׍3ZkËU¹§˜ŒŠ±f­’¤º³Q ÏB?‹#µíÃ¥®@(Gs«†vI¥Mµ‹Á©e~2ú³ÁP4ìÕi‚²Ê^ö@-DþÓàlÜOÍ]n"µã:žpsŽ¢:! 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Current File : /usr/share/dbconfig-common/internal/pgsql
# -*- mode: sh -*-
###
### postgresql bindings for dbconfig-common
###
###	all variables and functions fall under the namespace "dbc_foo" and
###	"_dbc_foo", depending on whether or not they are "external"
###

# get some common functions
. /usr/share/dbconfig-common/internal/common

_dbc_psql_local_username(){
    # determine proper local system user as whom to run commands.
    #	- if _dbc_asuser set and ident/localhost,
    #     - if $dbc_dbuser exists as a system account, use it
    #	- else ident/localhost: $dbc_dbadmin
    #	- all others: no change (root)
    if [ "${_dbc_asuser:-}" ]; then
        if [ "${dbc_authmethod_user:-}" = "ident" ] && _dbc_islocalhost ; then
            if [ "${dbc_dbuser:-}" ] && id $dbc_dbuser >/dev/null 2>&1; then
                echo $dbc_dbuser
                return 0
            else
                dbc_error="ident method specified but local account doesn't exist. mapping isn't supported"
                return 1
            fi
        fi
    elif [ "${dbc_authmethod_admin:-}" = "ident" ] && _dbc_islocalhost ; then
        echo $dbc_dbadmin
        return 0
    fi
    echo root
}

_dbc_psql_remote_username(){
    # determine proper remote user for connection requests
    #	- if _dbc_asuser set: $dbc_dbuser
    #	- else: $dbc_dbadmin
    if [ "${_dbc_asuser:-}" ]; then
        echo $dbc_dbuser
    else
        echo $dbc_dbadmin
    fi
}

_dbc_psql_cmd_setup(){
    local localuser remoteuser remotepass
    localuser=$(_dbc_psql_local_username)
    remoteuser=$(_dbc_psql_remote_username)
    _dbc_pgsql_tmpdir=$(mktemp -dt dbconfig-common.psql_home.XXXXXX)
    if [ $? -ne 0 ]; then return 1; fi
    if [ "$remoteuser" = "$dbc_dbadmin" ]; then
        remotepass="$dbc_dbadmpass"
    else
        remotepass="$dbc_dbpass"
    fi
    touch "${_dbc_pgsql_tmpdir}/.pgpass"
    chmod 600 "${_dbc_pgsql_tmpdir}/.pgpass"
    cat << EOF > "${_dbc_pgsql_tmpdir}/.pgpass"
*:*:*:$remoteuser:$remotepass
EOF
    if [ "$localuser" ] && [ "$localuser" != "root" ]; then
        chown -R "$localuser" "$_dbc_pgsql_tmpdir"
    fi
}

_dbc_psql_cmd_args(){
    local extra

    # all connections require a host, except local peer connections
    extra="-h '${dbc_dbserver:-localhost}'"; # initialize default
    if _dbc_islocalhost ; then
        if [ "${_dbc_asuser:-}" ] && [ "$dbc_authmethod_user" = "ident" ]; then
            extra="";
        elif [ ! "${_dbc_asuser:-}" ] && [ ! "${dbc_dbadmpass:-}" ]; then
            extra="";
        fi
    fi

    # add port settings if nonempty
    if [ "${dbc_dbport:-}" ]; then extra="$extra -p '$dbc_dbport'"; fi
    # determine the database user name
    extra="$extra -U '$(_dbc_psql_remote_username)'"

    echo $extra
}

_dbc_psql_cmd_cleanup(){
    if [ "$_dbc_pgsql_tmpdir" ] && [ -d "$_dbc_pgsql_tmpdir" ]; then
        rm -f "${_dbc_pgsql_tmpdir}/.pgpass"
        rmdir "$_dbc_pgsql_tmpdir"
    fi
}

_dbc_psql(){
    local extra retval PGSSLMODE localuser
    localuser=$(_dbc_psql_local_username)
    PGSSLMODE="prefer"
    retval=0
    _dbc_psql_cmd_setup
    if [ "${dbc_ssl:-}" ]; then PGSSLMODE="require"; fi
    extra=$(_dbc_psql_cmd_args)
    _dbc_debug "runuser --user $localuser -- /bin/sh -c \"env HOME='${_dbc_pgsql_tmpdir}' PGPASSFILE='${_dbc_pgsql_tmpdir}/.pgpass' PGSSLMODE='$PGSSLMODE' psql --set \\\"ON_ERROR_STOP=1\\\" -q $extra ${*:-}\" 2>&1"
    dbc_error=$(runuser --user $localuser -- /bin/sh -c "env HOME='${_dbc_pgsql_tmpdir}' PGPASSFILE='${_dbc_pgsql_tmpdir}/.pgpass' PGSSLMODE='$PGSSLMODE' psql --set \"ON_ERROR_STOP=1\" -q $extra ${*:-}" 2>&1) || retval=$?
    _dbc_psql_cmd_cleanup
    return $retval
}

_dbc_createdb(){
    local extra extrasql retval PGSSLMODE localuser _dbc_asuser template
    local _dbc_nodb
    localuser=$(_dbc_psql_local_username)
    PGSSLMODE="prefer"
    retval=0
    if [ "${dbc_ssl:-}" ]; then PGSSLMODE="require"; fi
    extra=$(_dbc_psql_cmd_args)
    if [ "${dbc_pgsql_createdb_encoding:-}" ]; then
        extrasql=" WITH TEMPLATE = \"template0\"";
        extrasql="$extrasql ENCODING = '$dbc_pgsql_createdb_encoding'";
    fi
    _dbc_nodb="yes"
    _dbc_pgsql_exec_command "CREATE DATABASE \"$dbc_dbname\"${extrasql:-}"
    retval=$?
    _dbc_nodb=""
    return $retval
}

_dbc_dropdb(){
    local extra retval PGSSLMODE localuser _dbc_asuser
    localuser=$(_dbc_psql_local_username)
    PGSSLMODE="prefer"
    retval=0
    _dbc_psql_cmd_setup
    if [ "${dbc_ssl:-}" ]; then PGSSLMODE="require"; fi
    extra=$(_dbc_psql_cmd_args)
    _dbc_debug "runuser --user $localuser -- /bin/sh -c \"env HOME='$_dbc_pgsql_tmpdir' PGPASSFILE='$_dbc_pgsql_tmpdir/.pgpass' PGSSLMODE='$PGSSLMODE' dropdb $extra $*\" 2>&1"
    dbc_error=$(runuser --user $localuser -- /bin/sh -c "env HOME='$_dbc_pgsql_tmpdir' PGPASSFILE='$_dbc_pgsql_tmpdir/.pgpass' PGSSLMODE='$PGSSLMODE' dropdb $extra $*" 2>&1) || retval=$?
    _dbc_psql_cmd_cleanup
    return $retval
}

_dbc_createuser(){
    local extra dbc_dbname retval PGSSLMODE localuser _dbc_asuser
    localuser=$(_dbc_psql_local_username)
    PGSSLMODE="prefer"
    retval=0
    if [ "${dbc_ssl:-}" ]; then PGSSLMODE="require"; fi
    extra=$(_dbc_psql_cmd_args)
    dbc_dbname="template1"
    _dbc_pgsql_exec_command "CREATE USER \"$dbc_dbuser\" WITH PASSWORD '$(dbc_pgsql_escape_str $dbc_dbpass)'" || retval=$?
    return $retval
}

_dbc_dropuser(){
    local extra retval PGSSLMODE localuser _dbc_asuser
    localuser=$(_dbc_psql_local_username)
    PGSSLMODE="prefer"
    retval=0
    _dbc_psql_cmd_setup
    if [ "${dbc_ssl:-}" ]; then PGSSLMODE="require"; fi
    extra=$(_dbc_psql_cmd_args)
    _dbc_debug "runuser --user $localuser -- /bin/sh -c \"env HOME='$_dbc_pgsql_tmpdir' PGPASSFILE='$_dbc_pgsql_tmpdir/.pgpass' PGSSLMODE='$PGSSLMODE' dropuser $extra $*\" 2>&1"
    dbc_error=$(runuser --user $localuser -- /bin/sh -c "env HOME='$_dbc_pgsql_tmpdir' PGPASSFILE='$_dbc_pgsql_tmpdir/.pgpass' PGSSLMODE='$PGSSLMODE' dropuser $extra $*" 2>&1) || retval=$?
    _dbc_psql_cmd_cleanup
    return $retval
}

_dbc_pg_dump(){
    local extra retval PGSSLMODE localuser _dbc_asuser dumpfile old_umask
    dumpfile=$1
    localuser=$(_dbc_psql_local_username)
    PGSSLMODE="prefer"
    retval=0
    _dbc_psql_cmd_setup
    if [ "${dbc_ssl:-}" ]; then PGSSLMODE="require"; fi
    old_umask=$(umask)
    umask 0066
    touch $dumpfile
    chown $localuser $dumpfile
    extra=$(_dbc_psql_cmd_args)
    extra="-f \"$dumpfile\" $extra"
    _dbc_debug "runuser --user $localuser -- /bin/sh -c \"env HOME='$_dbc_pgsql_tmpdir' PGPASSFILE='$_dbc_pgsql_tmpdir/.pgpass' PGSSLMODE='$PGSSLMODE' pg_dump $extra $dbc_dbname\" 2>&1"
    dbc_error=$(runuser --user $localuser -- /bin/sh -c "env HOME='$_dbc_pgsql_tmpdir' PGPASSFILE='$_dbc_pgsql_tmpdir/.pgpass' PGSSLMODE='$PGSSLMODE' pg_dump $extra $dbc_dbname" 2>&1) || retval=$?
    umask $old_umask
    _dbc_psql_cmd_cleanup
    return $retval
}

##
## check that we can actually connect to the specified postgres server
##
_dbc_pgsql_check_connect(){
    local constat extra _dbc_asuser
    constat="bad"
    if ! _dbc_psql ${extra:-} template1 < /dev/null; then
        dbc_logline "unable to connect to postgresql server"
        return 1
    fi
}

##
## Revoke connect rights on the database
##
_dbc_revoke_connect(){
    local retval
    retval=0
    _dbc_pgsql_exec_command "REVOKE CONNECT ON DATABASE \"$dbc_dbname\" FROM PUBLIC, \"$dbc_dbuser\"" || retval=$?
    return $retval
}

##
## Terminate all active connections to the database
##
_dbc_terminate_connections(){
    local retval server_ver
    retval=0
    # First we need to determine which version of PostgreSQL is running on the
    # server because the column name changed in 9.2.
    # We are asking for server_version_num to do the comparison, but that was
    # introduced in 8.2, so if that fails, let's assume the version is older.
    server_ver="$(_dbc_pgsql_exec_command "SHOW server_version_num")" || true
    if [ $((${server_ver:-80199} < 90200)) = 0 ] ; then
        _dbc_pgsql_exec_command "SELECT pg_terminate_backend(procpid) FROM pg_stat_activity WHERE procpid <> pg_backend_pid() AND datname = '$dbc_dbname'" || retval=$?
    else
        _dbc_pgsql_exec_command "SELECT pg_terminate_backend(pid) FROM pg_stat_activity WHERE pid <> pg_backend_pid() AND datname = '$dbc_dbname'" || retval=$?
    fi
    return $retval
}

##
## execute a file with pgsql commands
##
##	note this is done without passing any sensitive info on the cmdline
##
dbc_pgsql_exec_file(){
    local l_sqlfile l_dbname retval
    l_sqlfile=$1

    if [ ! "$l_sqlfile" ]; then
        dbc_error="no file supplied to execute"
        return 1
    elif [ ! -f "$l_sqlfile" ]; then
        dbc_error="file $l_sqlfile missing"
        return 1
    fi

    l_dbname=
    if [ ! "${_dbc_nodb:-}" ]; then
        l_dbname="$dbc_dbname"
    fi

    _dbc_psql ${l_dbname:-} < "$l_sqlfile"
    retval=$?
    return $retval
}

##
## execute a specific pgsql command
##
##	note this is done without passing any sensitive info on the cmdline,
##	including the sql command itself
##
_dbc_pgsql_exec_command(){
    local statement l_sqlfile l_dbname retval
    retval=0
    statement="$@"
    l_sqlfile=$(dbc_mktemp dbconfig-common_sqlfile.XXXXXX)
    if [ -z "${_dbc_nodb:-}" ]; then
        l_dbname="$dbc_dbname"
    fi

    cat << EOF > "$l_sqlfile"
$statement
EOF
    _dbc_psql ${extra:-} ${l_dbname:-} < "$l_sqlfile" || retval=$?
    rm -f "$l_sqlfile"
    return $retval
}

##
## check for the existance of a specified database
##
_dbc_pgsql_check_database(){
    local dbc_dbname _dbc_asuser extra
    dbc_dbname=$1
    _dbc_psql ${extra:-} $dbc_dbname </dev/null 2>/dev/null
    return $?
}

##
## check for access for a specific user
##
##	this works by checking the grants for the user, so we can verify that
##	not only does the user exist, but that it should be able to connect
##
dbc_pgsql_check_user(){
    local dbc_dbname l_retval _dbc_asuser extra
    dbc_dbname="template1"
    _dbc_pgsql_exec_command "ALTER USER \"$dbc_dbuser\""
    l_retval=$?
    return $l_retval
}

###
### externally supplied functions
###
###	included inline are some slightly modified / corrected comments from
###	the respective original	functions provided by wwwconfig-common, and
###	comments of similar style for now functions
###
###	all functions return non-zero on error
###

# File:         pgsql-createdb.sh
# Description:  Creates a database.
# Needs:        $dbc_dbname
#               $dbc_dbadmin
# Sets:         $dbc_error = error message

dbc_pgsql_createdb(){
    _dbc_sanity_check dbname dbadmin psql dbuser createdb || return 1
    _dbc_pgsql_check_connect || return 1

    dbc_logpart "creating database $dbc_dbname:"

    if _dbc_pgsql_check_database "$dbc_dbname"; then
        dbc_logline "already exists"
    else
        if _dbc_createdb $dbc_dbname ; then
            dbc_logline "success"
            dbc_logpart "verifying database $dbc_dbname exists:"
            if ! _dbc_pgsql_check_database "$dbc_dbname"; then
                dbc_logline "failed"
                return 1
            else
                dbc_logline "success"
            fi
        else
            dbc_logline "failed"
            return 1
        fi
    fi

}

# File:		pgsql-dropdb.sh
# Needs:	$dbc_dbname    - the database that user should have access to.
#		$dbc_dbserver  - the server to connect to.
#		$dbc_dbadmin   - the administrator name.
#		$dbc_dbadmpass - the administrator password.
# Description:	drops a database.
# Sets:		$dbc_error = error message

dbc_pgsql_dropdb(){
    _dbc_sanity_check dbname dbadmin dropdb dbuser || return 1
    _dbc_pgsql_check_connect || return 1

    dbc_logpart "dropping database $dbc_dbname:"

    if _dbc_pgsql_check_database "$dbc_dbname"; then
        if ! _dbc_revoke_connect "$dbc_dbname" "$dbc_dbuser"; then
            # Let's not fail on revoking connection rights as we may be lucky
            # and no connections are made in the mean time, while revoking
            # fails if the database user doesn't exist (anymore).
            dbc_logpart "(revoking connect rights failed, but try to drop anyways)"
        fi
        if _dbc_terminate_connections "$dbc_dbname"; then
            if _dbc_dropdb "$dbc_dbname"; then
                dbc_logline "success"
                dbc_logpart "verifying database $dbc_dbname was dropped:"
                if _dbc_pgsql_check_database "$dbc_dbname"; then
                    dbc_logline "failed"
                else
                    dbc_logline "success"
                fi
            else
                dbc_logline "does not exist"
            fi
        else
            dbc_logline "terminating active connections failed"
        fi
    else
        dbc_logline "database does not exist"
    fi
}

# File:		pgsql-createuser.sh
# Description:	Creates or replaces a database user.
# Needs:	$dbc_dbuser    - the user name to create (or replace).
#		$dbc_dballow   - what hosts to allow. defaults to localhost/hostname
#		$dbc_dbname    - the database that user should have access to.
#		$dbc_dbpass    - the password to use.
#		$dbc_dbserver  - the server to connect to (defaults to localhost).
#		$dbc_dbadmin   - the administrator name.
#		$dbc_dbadmpass - the administrator password.
# Sets:		$dbc_error = error message

dbc_pgsql_createuser(){
    local dbc_dbname

    dbc_dbname=template1

    _dbc_sanity_check dbuser dbadmin dballow createuser || return 1
    _dbc_pgsql_check_connect || return 1

    dbc_logpart "creating postgres user $dbc_dbuser: "

    if dbc_pgsql_check_user; then
        dbc_logline "already exists"
        if [ "$dbc_dbpass" ]; then
            dbc_logpart "resetting password: "
            if _dbc_pgsql_exec_command "ALTER USER \"$dbc_dbuser\" WITH PASSWORD '$dbc_dbpass'"; then
                dbc_logline "success"
            else
                dbc_logline "failed"
                return 1
            fi
        fi
    elif _dbc_createuser; then
        dbc_logline "success"
        dbc_logpart "verifying creation of user:"
        if ! dbc_pgsql_check_user ; then
            dbc_logline "failed"
            return 1
        else
            dbc_logline "success"
        fi
    else
        dbc_logline "failed"
        return 1
    fi
}

# File:		pgsql-dropuser.sh
# Needs:	$dbc_dbuser    - the user name to create (or replace).
#		$dbc_dballow   - what hosts to allow (defaults to %).
#		$dbc_dbname    - the database that user should have access to.
#		$dbc_dbserver  - the server to connect to.
#		$dbc_dbadmin   - the administrator name.
#		$dbc_dbadmpass - the administrator password.
# Description:	drops a database user.
# Sets:		$dbc_error = error message

dbc_pgsql_dropuser(){
    _dbc_sanity_check dbuser dbname dbadmin dballow dropuser || return 1
    _dbc_pgsql_check_connect || return 1

    dbc_logpart "revoking access to database $dbc_dbname from $dbc_dbuser@$dbc_dballow:"
    if ! dbc_pgsql_check_user; then
        dbc_logline "access does not exist"
    else
        if _dbc_dropuser $dbc_dbuser 2>/dev/null; then
            dbc_logline "success"
        else
            dbc_logline "failed"
        fi
    fi
}

##
## perform pg_dump
##
dbc_pgsql_dump(){
    local dumpfile
    dumpfile=$1
    _dbc_sanity_check dbuser dbname dbadmin pg_dump || return 1
    _dbc_pgsql_check_connect || return 1
    if _dbc_pgsql_check_database "$dbc_dbname"; then
        _dbc_pg_dump $dumpfile
    else
        dbc_logline "database does not exist"
    fi
}

##
## basic installation check
##
dbc_pgsql_db_installed(){
    test -n "$(find /etc/init.d -name 'postgresql*')"
}

##
## dbc_pgsql_escape_str: properly escape strings passed to pgsql queries
##
dbc_pgsql_escape_str(){
    sed -e 's,\\,\\&,g' -e "s,',\\\\&,g" << EOF
$1
EOF
}

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