88 lines
3.7 KiB
Bash
88 lines
3.7 KiB
Bash
#!/bin/bash
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# ============================================================
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# ПРОВЕРКА ЗАДАНИЯ 1 — BR-SRV (только читает состояние!)
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# Пункты sshd -T и sudo требуют root.
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# ============================================================
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NAME="br-srv"
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LOG="check_${NAME}_z1.txt"
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OK=0; FAIL=0; SKIP=0
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ok() { echo "[OK] $1"; OK=$((OK+1)); }
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fail() { echo "[FAIL] $1 — $2"; FAIL=$((FAIL+1)); }
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skip() { echo "[ПРОПУЩЕНО] $1"; SKIP=$((SKIP+1)); }
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root_or_skip() { if [[ $EUID -ne 0 ]]; then skip "$1 (нужен root)"; return 1; fi; return 0; }
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check_var() { if [[ -z "${!2}" ]]; then skip "$1 — не задано $2"; return 1; fi; return 0; }
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expect_eq() { if [[ "$3" == "$2" ]]; then ok "$1"; else fail "$1" "ожидалось '$2', получено '$3'"; fi; }
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# ================= ПЕРЕМЕННЫЕ (заполните для проверки) =================
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HOSTNAME_EXPECTED="br-srv.au-team.irpo" # таблица 3
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SRV_IF="" # интерфейс к BR-SRV
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SRV_ADDR="" # адрес BR-SRV, адрес/префикс
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SRV_GW="" # шлюз (адрес BR-FW)
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SSH_PORT="2027"
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SSH_USER="sshuser"
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SSH_USER_UID="2027"
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SSH_BANNER_TEXT="Authorized access only"
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EXAM_TZ=""
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main () {
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echo "=== Проверка задания 1: BR-SRV ==="
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# --- 1. Имя хоста ---
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check_var "имя хоста" HOSTNAME_EXPECTED &&
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expect_eq "имя хоста" "$HOSTNAME_EXPECTED" "$(hostname)"
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# --- 2. Сеть ---
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check_var "адрес" SRV_ADDR &&
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if grep -qF -- "$SRV_ADDR" <(ip -4 -o addr show "$SRV_IF" 2>/dev/null); then
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ok "адрес = $SRV_ADDR"
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else fail "адрес" "не нашёлся $SRV_ADDR"; fi
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check_var "шлюз" SRV_GW &&
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expect_eq "шлюз по умолчанию" "$SRV_GW" "$(ip route show default 2>/dev/null | awk '{print $3}')"
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# --- 3. Пользователь sshuser ---
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check_var "пользователь sshuser" SSH_USER &&
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if id "$SSH_USER" &>/dev/null; then
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expect_eq "UID $SSH_USER" "$SSH_USER_UID" "$(id -u "$SSH_USER")"
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else fail "пользователь $SSH_USER" "нет такого пользователя"; fi
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check_var "sudo для sshuser" SSH_USER &&
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if root_or_skip "sudo для sshuser"; then
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if sudo -ln -U "$SSH_USER" 2>/dev/null | grep -q "NOPASSWD: ALL"; then
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ok "sshuser — sudo без пароля"
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else fail "sudo для sshuser" "нет NOPASSWD: ALL"; fi
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fi
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# --- 4. SSH: порт 2027, только sshuser, 2 попытки, баннер ---
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if root_or_skip "sshd -T"; then
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T=$(sshd -T 2>/dev/null)
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expect_eq "SSH порт" "$SSH_PORT" "$(grep -E "^port " <<<"$T" | awk '{print $2}')"
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if grep -E "^allowusers " <<<"$T" | grep -qw "$SSH_USER"; then
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ok "SSH AllowUsers = $SSH_USER"
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else fail "SSH AllowUsers" "$(grep -E '^allowusers' <<<"$T")"; fi
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expect_eq "SSH MaxAuthTries" "2" "$(grep -E "^maxauthtries " <<<"$T" | awk '{print $2}')"
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got_banner=$(grep -E "^banner " <<<"$T" | awk '{print $2}')
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if [[ -n "$got_banner" ]] && grep -qF "$SSH_BANNER_TEXT" "$got_banner" 2>/dev/null; then
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ok "SSH баннер '$SSH_BANNER_TEXT'"
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else fail "SSH баннер" "banner=$got_banner"; fi
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fi
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# --- 5. Часовой пояс ---
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check_var "часовой пояс" EXAM_TZ &&
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expect_eq "часовой пояс" "$EXAM_TZ" "$(timedatectl show -p Timezone --value)"
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echo ""
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echo "=== Проверить вручную ==="
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echo " — ssh -p 2027 sshuser@<адрес BR-SRV> с другой машины"
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echo ""
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echo "=== Итог: OK=$OK FAIL=$FAIL ПРОПУЩЕНО=$SKIP ==="
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[[ $FAIL -eq 0 ]]
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}
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main 2>&1 | tee "$LOG"
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STATUS=${PIPESTATUS[0]}
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echo "Лог сохранён: $LOG"
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exit $STATUS
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