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systemd: Show boot type in overview card #20235

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systemd: Show boot type in overview card #20235

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43 changes: 43 additions & 0 deletions pkg/systemd/overview-cards/systemInformationCard.jsx
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Original file line number Diff line number Diff line change
Expand Up @@ -37,6 +37,8 @@ export class SystemInformationCard extends React.Component {
model: null,
assetTag: null,
systemUptime: null,
bootType: null,
securebootEnabled: false,
};
this.getSystemUptime = this.getSystemUptime.bind(this);
}
Expand All @@ -45,6 +47,7 @@ export class SystemInformationCard extends React.Component {
this.getDMIInfo();
this.getMachineId();
this.getSystemUptime();
this.getBootType();

this.uptimeTimer = setInterval(this.getSystemUptime, 60000);
}
Expand Down Expand Up @@ -100,6 +103,40 @@ export class SystemInformationCard extends React.Component {
.catch(ex => console.error("Error reading system uptime", ex.toString())); // not-covered: OS error
}

async getBootType() {
// https://uefi.org/specs/UEFI/2.10/03_Boot_Manager.html#globally-defined-variables
let secure_boot_enabled = false;
const secure_boot_file = "/sys/firmware/efi/efivars/SecureBoot-8be4df61-93ca-11d2-aa0d-00e098032b8c";
// TODO: constant?
const output = await cockpit.script("set -e; test -d /sys/firmware/efi && echo 'efi' || echo 'bios'; cat /proc/sys/kernel/arch");
const [firmware, arch] = output.trim().split("\n");

// TODO: check if secure boot is available?
if (arch === "x86_64" || arch === "arm64") {
try {
const result = await cockpit.file(secure_boot_file, { binary: true }).read();
if (result[4] === 1)
secure_boot_enabled = true;
} catch (err) {
console.warn("cannot read secure boot EFI var", err);
}

this.setState({
bootType: firmware,
securebootEnabled: secure_boot_enabled,
});
}
}

getBootTypeStr() {
const { bootType, securebootEnabled } = this.state;
if (bootType === "efi") {
return cockpit.format(_("EFI (Secure Boot $0)"), securebootEnabled ? _("enabled") : _("disabled"));
} else {
_("BIOS or Legacy");
}
}

render() {
return (
<Card className="system-information">
Expand All @@ -125,6 +162,12 @@ export class SystemInformationCard extends React.Component {
<div id="system_machine_id">{this.state.machineID}</div>
</td>
</tr>
{this.state.bootType && <tr className="pf-v5-c-table__tr">
<th className="pf-v5-c-table__th system-information-boot-type" scope="row">{_("Boot type")}</th>
<td className="pf-v5-c-table__td">
<div id="boot_type">{this.getBootTypeStr()}</div>
</td>
</tr>}
<tr className="pf-v5-c-table__tr">
<th className="pf-v5-c-table__th system-information-uptime" scope="row">{_("Uptime")}</th>
<td className="pf-v5-c-table__td">
Expand Down
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