milliways-infosec/AikidoSec-safe-chain
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Validate ENV VAR

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Reinier Criel 2026-04-10 15:38:51 -07:00
parent 98dcda78da
commit df8be031cb
4 changed files with 55 additions and 46 deletions
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26
install-scripts/install-safe-chain.ps1
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@ -8,19 +8,21 @@ param(
)
$Version = $env:SAFE_CHAIN_VERSION # Will be fetched from latest release if not set
# Validate SAFE_CHAIN_DIR before use
if ($env:SAFE_CHAIN_DIR) {
if (-not [System.IO.Path]::IsPathRooted($env:SAFE_CHAIN_DIR)) {
Write-Host "[ERROR] SAFE_CHAIN_DIR must be an absolute path, got: $($env:SAFE_CHAIN_DIR)" -ForegroundColor Red; exit 1
}
if ($env:SAFE_CHAIN_DIR -match '\.\.') {
Write-Host "[ERROR] SAFE_CHAIN_DIR must not contain path traversal (..)" -ForegroundColor Red; exit 1
}
if ($env:SAFE_CHAIN_DIR -match '^[A-Za-z]:[/\\]?$' -or $env:SAFE_CHAIN_DIR -eq '/') {
Write-Host "[ERROR] SAFE_CHAIN_DIR cannot be a root or drive-root directory" -ForegroundColor Red; exit 1
}
}
$SafeChainBase = if ($env:SAFE_CHAIN_DIR) { $env:SAFE_CHAIN_DIR } else { Join-Path $env:USERPROFILE ".safe-chain" }
# Validate $SafeChainBase before any filesystem operations
if (-not [System.IO.Path]::IsPathRooted($SafeChainBase)) {
Write-Host "[ERROR] SAFE_CHAIN_DIR must be an absolute path, got: $SafeChainBase" -ForegroundColor Red; exit 1
}
if ($SafeChainBase -match '\.\.') {
Write-Host "[ERROR] SAFE_CHAIN_DIR must not contain path traversal (..)" -ForegroundColor Red; exit 1
}
if ($SafeChainBase -match '^[A-Za-z]:[/\\]?$' -or $SafeChainBase -eq '/') {
Write-Host "[ERROR] SAFE_CHAIN_DIR cannot be a root or drive-root directory" -ForegroundColor Red; exit 1
}
$InstallDir = Join-Path $SafeChainBase "bin"
$RepoUrl = "https://github.com/AikidoSec/safe-chain"