egutierrez
bd9383fd82
12 funciones puras con implementación real: HashSHA256, HashMD5, EntropyShannon, IsBase64, IsHex, ExtractURLs, ParseIPCIDR, IPInRange, NormalizeURL, DetectSQLInjection, LevenshteinDistance, JaccardSimilarity 4 funciones impuras con implementación real (stdlib): LookupWhois, ResolveDNS, FetchHTTPHeaders, ScanPortTCP Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
17 lines
330 B
Go
17 lines
330 B
Go
package cybersecurity
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import "net"
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// IPInRange verifica si una direccion IP esta dentro de un rango CIDR dado.
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func IPInRange(ip, cidr string) bool {
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parsedIP := net.ParseIP(ip)
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if parsedIP == nil {
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return false
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}
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_, ipNet, err := net.ParseCIDR(cidr)
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if err != nil {
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return false
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}
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return ipNet.Contains(parsedIP)
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}
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