mirror of
https://github.com/docker-mailserver/docker-mailserver.git
synced 2024-01-19 02:48:50 +00:00
40 lines
748 B
Bash
Executable file
40 lines
748 B
Bash
Executable file
#! /bin/bash
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DATABASE=${DATABASE:-/tmp/docker-mailserver/postfix-accounts.cf}
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USER="$1"
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shift
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PASSWD="$@"
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usage() {
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echo "Usage: updatemailuser <user@domain.tld> [password]"
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}
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errex() {
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echo "$@" 1>&2
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exit 1
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}
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escape() {
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echo "${1//./\\.}"
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}
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[ -z "$USER" ] && { usage; errex "no username specified"; }
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if [ -z "$PASSWD" ]; then
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read -s -p "Enter Password: " PASSWD
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echo
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[ -z "$PASSWD" ] && errex "Password must not be empty"
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fi
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HASH="$(doveadm pw -s SHA512-CRYPT -u "$USER" -p "$PASSWD")"
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# Protect config file with lock to avoid race conditions
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(
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flock -e 200
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grep -qi "^$(escape "$USER")|" $DATABASE 2>/dev/null ||
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errex "User \"$USER\" does not exist"
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sed -i "s ^"$USER"|.* "$USER"|"$HASH" " $DATABASE
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) 200<$DATABASE
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