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Fix group detection bug - use word boundary matching and improve variable handling

main
Anthony 2025-11-04 18:13:16 +08:00
parent 8ccdc1bfc8
commit 44297955d1
1 changed files with 18 additions and 9 deletions
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27
check-sftp-user.sh
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@ -58,19 +58,26 @@ echo
echo "=== 2. USER GROUPS CHECK ==="
if id "$USERNAME" &>/dev/null; then
GROUPS=$(id -Gn "$USERNAME")
if echo "$GROUPS" | grep -q "sftpusers"; then
GROUPS=$(id -Gn "$USERNAME" 2>/dev/null)
GROUPS_LIST="$GROUPS"
# Debug: Show actual groups
echo " All groups: $GROUPS_LIST"
# Check for sftpusers or sshusers group
if echo "$GROUPS_LIST" | grep -qw "sftpusers"; then
print_status "OK" "User is in sftpusers group (SFTP-only access)"
elif echo "$GROUPS" | grep -q "sshusers"; then
elif echo "$GROUPS_LIST" | grep -qw "sshusers"; then
print_status "OK" "User is in sshusers group (SSH+SFTP access)"
else
print_status "ERROR" "User is NOT in sftpusers or sshusers group!"
echo " Current groups: $GROUPS"
echo " Current groups: $GROUPS_LIST"
echo " Fix: usermod -aG sftpusers $USERNAME (for SFTP-only)"
echo " Fix: usermod -aG sshusers $USERNAME (for SSH+SFTP)"
fi
if echo "$GROUPS" | grep -q "litespeed"; then
# Check for litespeed group
if echo "$GROUPS_LIST" | grep -qw "litespeed"; then
print_status "OK" "User is in litespeed group"
else
print_status "WARNING" "User is NOT in litespeed group (may affect file access)"
@ -301,20 +308,22 @@ echo
echo "=== 9. AUTHENTICATION TEST (SIMULATED) ==="
if id "$USERNAME" &>/dev/null; then
USER_SHELL=$(getent passwd $USERNAME | cut -d: -f7)
AUTH_GROUPS=$(id -Gn "$USERNAME" 2>/dev/null)
if [ "$USER_SHELL" = "/sbin/nologin" ]; then
GROUPS=$(id -Gn "$USERNAME")
if echo "$GROUPS" | grep -q "sftpusers"; then
if echo "$AUTH_GROUPS" | grep -qw "sftpusers"; then
print_status "OK" "User configured for SFTP-only (nologin shell + sftpusers group)"
echo " Note: This user can ONLY use SFTP, not SSH shell access"
else
print_status "ERROR" "User has nologin shell but NOT in sftpusers group!"
echo " Current groups: $AUTH_GROUPS"
fi
elif [ "$USER_SHELL" = "/bin/bash" ] || [ "$USER_SHELL" = "/bin/sh" ]; then
GROUPS=$(id -Gn "$USERNAME")
if echo "$GROUPS" | grep -q "sshusers"; then
if echo "$AUTH_GROUPS" | grep -qw "sshusers"; then
print_status "OK" "User configured for SSH+SFTP (bash shell + sshusers group)"
else
print_status "ERROR" "User has bash shell but NOT in sshusers group!"
echo " Current groups: $AUTH_GROUPS"
echo " Fix: usermod -aG sshusers $USERNAME"
fi
else