Andy Dixon
52da3c13f6
Capture engine streams dumpcap pcapng into verbatim, hashed segments with per-segment tshark summaries; display filters, PDML dissection with verified byte ranges, export and import. Tests run in a Debian trixie container.
76 lines
1.4 KiB
Go
76 lines
1.4 KiB
Go
package helper
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import (
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"bufio"
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"strconv"
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"strings"
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)
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// ParseStationDump parses `iw dev X station dump` output.
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func ParseStationDump(s string) []Station {
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var out []Station
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var cur *Station
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sc := bufio.NewScanner(strings.NewReader(s))
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for sc.Scan() {
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line := sc.Text()
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if strings.HasPrefix(line, "Station ") {
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f := strings.Fields(line)
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if len(f) >= 2 {
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out = append(out, Station{MAC: strings.ToLower(f[1])})
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cur = &out[len(out)-1]
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}
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continue
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}
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if cur == nil {
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continue
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}
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k, v, ok := strings.Cut(strings.TrimSpace(line), ":")
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if !ok {
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continue
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}
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f := strings.Fields(v)
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if len(f) == 0 {
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continue
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}
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n, err := strconv.ParseInt(f[0], 10, 64)
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if err != nil {
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continue
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}
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switch k {
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case "inactive time":
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cur.InactiveMS = n
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case "rx bytes":
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cur.RxBytes = uint64(n)
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case "tx bytes":
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cur.TxBytes = uint64(n)
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case "signal":
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v := int(n)
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cur.SignalDBm = &v
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case "connected time":
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cur.ConnectedS = n
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}
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}
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return out
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}
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// ParseLeases parses a dnsmasq lease file: "expiry mac ip hostname clientid".
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func ParseLeases(s string) []Lease {
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var out []Lease
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for _, line := range strings.Split(s, "\n") {
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f := strings.Fields(line)
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if len(f) < 4 {
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continue
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}
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exp, err := strconv.ParseInt(f[0], 10, 64)
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if err != nil {
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continue
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}
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h := f[3]
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if h == "*" {
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h = ""
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}
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out = append(out, Lease{Expiry: exp, MAC: strings.ToLower(f[1]), IP: f[2], Hostname: h})
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}
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return out
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}
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