mirror of
https://github.com/kevinveenbirkenbach/computer-playbook.git
synced 2026-11-08 11:46:35 +00:00
48 lines
1.4 KiB
Bash
Executable File
48 lines
1.4 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -euo pipefail
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STATE_FILE="/tmp/infinito-dev-environment-ipv6.state"
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if ! command -v sysctl >/dev/null 2>&1; then
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echo "[ipv6] skipping disable: sysctl is unavailable in this environment"
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exit 0
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fi
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if ! current_all="$(sysctl -n net.ipv6.conf.all.disable_ipv6 2>/dev/null)"; then
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echo "[ipv6] skipping disable: kernel does not expose net.ipv6.conf.all.disable_ipv6"
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exit 0
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fi
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if ! current_default="$(sysctl -n net.ipv6.conf.default.disable_ipv6 2>/dev/null)"; then
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echo "[ipv6] skipping disable: kernel does not expose net.ipv6.conf.default.disable_ipv6"
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exit 0
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fi
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echo "[ipv6] current: all=${current_all} default=${current_default}"
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if [[ ! -f "${STATE_FILE}" ]]; then
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cat >"${STATE_FILE}" <<EOF
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ALL_DISABLE_IPV6=${current_all}
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DEFAULT_DISABLE_IPV6=${current_default}
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EOF
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else
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echo "[ipv6] existing state file found at ${STATE_FILE}; keeping original restore values"
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fi
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if ! sysctl -w net.ipv6.conf.all.disable_ipv6=1 >/dev/null; then
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rm -f "${STATE_FILE}"
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echo "[ipv6] skipping disable: cannot update net.ipv6.conf.all.disable_ipv6"
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exit 0
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fi
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if ! sysctl -w net.ipv6.conf.default.disable_ipv6=1 >/dev/null; then
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if ! sysctl -w "net.ipv6.conf.all.disable_ipv6=${current_all}" >/dev/null 2>&1; then
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echo "[ipv6] warning: failed to restore net.ipv6.conf.all.disable_ipv6"
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fi
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rm -f "${STATE_FILE}"
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echo "[ipv6] skipping disable: cannot update net.ipv6.conf.default.disable_ipv6"
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exit 0
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fi
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echo "[ipv6] disabled"
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