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Add username validation

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Check that the username is valid before doing any work. Use the default regex from debian's adduser.conf. Will also avoid risk of special characters causing issues.
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Sam Tygier 2019-01-05 18:20:36 +00:00 committed by XECDesign
parent d88f536536
commit 9714a11204
1 changed files with 5 additions and 0 deletions
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5
build.sh
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@ -189,6 +189,11 @@ source "${SCRIPT_DIR}/common"
# shellcheck source=scripts/dependencies_check
source "${SCRIPT_DIR}/dependencies_check"
#check username is valid
if [[ ! "$FIRST_USER_NAME" =~ ^[a-z][-a-z0-9_]*$ ]]; then
echo "Invalid FIRST_USER_NAME: $FIRST_USER_NAME"
exit 1
fi
dependencies_check "${BASE_DIR}/depends"