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#!/bin/sh |
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#!/bin/sh -e |
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# |
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# 2011 Steven Armstrong (steven-cdist at armstrong.cc) |
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# 2020 Dennis Camera (dennis.camera at ssrq-sds-fds.ch) |
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# |
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# This file is part of cdist. |
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# |
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@ -11,32 +12,140 @@
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# |
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# cdist is distributed in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# GNU General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with cdist. If not, see <http://www.gnu.org/licenses/>. |
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# |
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case "$("${__explorer}/os")" |
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case $("${__explorer:?}/os") |
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in |
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netbsd) |
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postgres_user='pgsql' |
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;; |
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openbsd) |
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postgres_user='_postgresql' |
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;; |
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*) |
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postgres_user='postgres' |
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;; |
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(netbsd) |
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postgres_user='pgsql' |
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;; |
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(openbsd) |
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postgres_user='_postgresql' |
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;; |
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(*) |
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postgres_user='postgres' |
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;; |
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esac |
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rolename=${__object_id:?} |
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name="$__object_id" |
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if test -n "$(su - "$postgres_user" -c "psql postgres -twAc \"SELECT 1 FROM pg_roles WHERE rolname='$name'\"")" |
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psql_query() { |
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su -l "${postgres_user}" -c "$( |
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printf "psql -q -F '\034' -R '\036' -wAc '%s'" \ |
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"$(printf %s "$*" | sed "s/'/'\\\\''/g")" |
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)" |
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} |
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password_check_login() ( |
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PGPASSWORD=$(cat "${__object:?}/parameter/password"; printf .) |
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PGPASSWORD=${PGPASSWORD%?.} |
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export PGPASSWORD |
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psql -q -w -h localhost -U "${rolename}" template1 -c '\q' >/dev/null 2>&1 |
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) |
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role_properties=$( |
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psql_query "SELECT * FROM pg_roles WHERE rolname = '${rolename}'" \ |
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| awk ' |
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BEGIN { RS = "\036"; FS = "\034" } |
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/^\([0-9]+ rows?\)/ { exit } |
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NR == 1 { for (i = 1; i <= NF; i++) cols[i] = $i; next } |
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NR == 2 { for (i = 1; i <= NF; i++) printf "%s=%s\n", cols[i], $i } |
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' |
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) |
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if test -n "${role_properties}" |
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then |
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echo 'present' |
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# Check if the user's properties match the parameters |
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for prop in login createdb createrole superuser |
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do |
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bool_should=$(test -f "${__object:?}/parameter/${prop}" && echo 't' || echo 'f') |
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bool_is=$( |
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printf '%s\n' "${role_properties}" | |
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awk -F '=' -v key="${prop}" ' |
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BEGIN { |
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if (key == "login") |
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key = "canlogin" |
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else if (key == "superuser") |
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key = "super" |
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key = "rol" key |
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} |
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$1 == key { |
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sub(/^[^=]*=/, "") |
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print |
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} |
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' |
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) |
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test "${bool_is}" = "${bool_should}" || { |
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state='different properties' |
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} |
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done |
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# Check password |
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passwd_stored=$( |
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psql_query "SELECT rolpassword FROM pg_authid WHERE rolname = '${rolename}'" \ |
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| awk 'BEGIN { RS = "\036" } NR == 2' |
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printf . |
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) |
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passwd_stored=${passwd_stored%?.} |
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if test -f "${__object:?}/parameter/password" |
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then |
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passwd_should=$(cat "${__object:?}/parameter/password"; printf .) |
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fi |
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passwd_should=${passwd_should%?.} |
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if test -z "${passwd_stored}" |
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then |
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test -z "${passwd_should}" || state="${state:-different} password" |
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elif expr "${passwd_stored}" : 'SCRAM-SHA-256\$.*$' >/dev/null |
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then |
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# SCRAM-SHA-256 "encrypted" password |
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# NOTE: There is currently no easy way to check SCRAM passwords without |
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# logging in |
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password_check_login || state="${state:-different} password" |
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elif expr "${passwd_stored}" : 'md5[0-9a-f]\{32\}$' >/dev/null |
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then |
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# MD5 "encrypted" password |
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if command -v md5sum >/dev/null 2>&1 |
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then |
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should_md5=$( |
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printf '%s%s' "${passwd_should}" "${rolename}" \ |
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| md5sum - | sed -e 's/[^0-9a-f]*$//') |
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elif command -v gmd5sum >/dev/null 2>&1 |
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then |
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should_md5=$( |
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printf '%s%s' "${passwd_should}" "${rolename}" \ |
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| gmd5sum - | sed -e 's/[^0-9a-f]*$//') |
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elif command -v openssl >/dev/null 2>&1 |
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then |
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should_md5=$( |
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printf '%s%s' "${passwd_should}" "${rolename}" \ |
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| openssl dgst -md5 | sed 's/^.* //') |
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fi |
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if test -n "${should_md5}" |
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then |
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test "${passwd_stored}" = "md5${should_md5}" \ |
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|| state="${state:-different} password" |
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else |
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password_check_login || state="${state:-different} password" |
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fi |
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else |
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# unencrypted password (unsupported since PostgreSQL 10) |
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test "${passwd_stored}" = "${passwd_should}" \ |
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|| state="${state:-different} password" |
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fi |
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test -n "${state}" || state='present' |
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else |
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echo 'absent' |
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state='absent' |
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fi |
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echo "${state}" |
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