10000 Add show commands for identifier and VCEK URL. by jplevyak · Pull Request #107 · virtee/sevctl · GitHub
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Add show commands for identifier and VCEK URL. #107

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Merged
merged 1 commit into from
Feb 22, 2023
Merged

Add show commands for identifier and VCEK URL. #107

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9 changes: 6 additions & 3 deletions docs/sevctl.1.adoc
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Original file line number Diff line number Diff line change
Expand Up @@ -112,11 +112,14 @@ COMMANDS
*sevctl show*::
usage: sevctl show [flags || guests]

This command describes the state of the SEV platform. There are two
This command describes the state of the SEV platform. There are several
platform details to describe:

SEV platform flags: sevctl show flags
SEV guest inforation: sevctl show guests
SEV platform flags: sevctl show flags
SEV guest inforation: sevctl show guests
SEV platform identifier: sevctl show identifier
SEV SNP status: sevctl show snp-status
SEV SNP VCEK URL: sevctl show veck-url

options:
-h, --help Show a help message
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38 changes: 37 additions & 1 deletion src/main.rs
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Expand Up @@ -17,7 +17,7 @@ use codicon::*;

use ::sev::certs::*;
use ::sev::firmware::host::{
types::{PlatformStatusFlags, Status},
types::{PlatformStatusFlags, SnpStatus, Status},
Firmware,
};
use ::sev::Generation;
Expand Down Expand Up @@ -189,6 +189,13 @@ fn platform_status() -> Result<Status> {
.context("unable to fetch platform status")
}

fn snp_platform_status() -> Result<SnpStatus> {
firmware()?
.snp_platform_status()
.map_err(|e| anyhow::anyhow!(format!("{:?}", e)))
.context("unable to fetch snp platform status")
}

fn chain() -> Result<sev::Chain> {
const CEK_SVC: &str = "https://kdsintf.amd.com/cek/id";

Expand Down Expand Up @@ -273,6 +280,15 @@ mod show {
#[structopt(about = "Show the current number of guests")]
Guests,

#[structopt(about = "Show the platform identifier")]
Identifier,

#[structopt(about = "Show the SNP platform status")]
SnpStatus,

#[structopt(about = "Show the VCEK DER download URL")]
VcekUrl,

#[structopt(about = "Show the platform's firmware version")]
Version,
}
Expand All @@ -283,6 +299,26 @@ mod show {
match show {
Show::Version => println!("{}", status.build),
Show::Guests => println!("{}", status.guests),
Show::Identifier => {
let id = firmware()?
.get_identifier()
.map_err(|e| anyhow::anyhow!(format!("{:?}", e)))
.context("error fetching identifier")?;
println!("{}", id);
}
Show::SnpStatus => {
let snp_status = snp_platform_status()?;
println!("{:#?}", snp_status);
}
Show::VcekUrl => {
let id = firmware()?
.get_identifier()
.map_err(|e| anyhow::anyhow!(format!("{:?}", e)))
.context("error fetching identifier")?;
let snp_status = snp_platform_status()?;
println!("https://kdsintf.amd.com/vcek/v1/Milan/{}?blSPL={:02}&teeSPL={:02}&snpSPL={:02}&ucodeSPL={:02}",
id, snp_status.tcb.platform_version.bootloader, snp_status.tcb.platform_version.tee, snp_status.tcb.platform_version.snp, snp_status.tcb.platform_version.microcode);
}
Show::Flags => {
for f in [
PlatformStatusFlags::OWNED,
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0