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extended input validation

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This commit is contained in:
allan
2025-11-03 09:40:49 +01:00
parent bc06a2a279
commit fe9ea628d8
1 changed files with 3 additions and 3 deletions
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zabbixinstall
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@@ -91,7 +91,7 @@ while getopts ":n:p:m:a:h" option; do
done done
# #
# Validate hostname and DB password # Parse and validate input
# #
if [[ -z "$hostname" || -z "$dbpass" ]]; then if [[ -z "$hostname" || -z "$dbpass" ]]; then
usage usage
@@ -115,14 +115,14 @@ if [[ "$hostname" =~ [[:space:]/_] ]]; then
exit 1 exit 1
fi fi
# RFC 1123 validation # Validate domain format (RFC 1123)
if [[ ! "$hostname" =~ ^([a-z0-9]+(-[a-z0-9]+)*\.)+[a-z]{2,}$ ]]; then if [[ ! "$hostname" =~ ^([a-z0-9]+(-[a-z0-9]+)*\.)+[a-z]{2,}$ ]]; then
printf "\nERROR: Invalid domain format.\n" printf "\nERROR: Invalid domain format.\n"
printf "Example of valid input: zabbix.example.com\n\n" printf "Example of valid input: zabbix.example.com\n\n"
exit 1 exit 1
fi fi
# DB password sanity check # Check for spaces in DB credentials
if [[ "$dbpass" =~ [[:space:]] ]]; then if [[ "$dbpass" =~ [[:space:]] ]]; then
printf "\nERROR: Database password cannot contain spaces.\n\n" printf "\nERROR: Database password cannot contain spaces.\n\n"
exit 1 exit 1