mirror of
git://git.code.sf.net/p/xtables-addons/xtables-addons
synced 2025-09-06 12:45:13 +02:00
30 lines
565 B
C
30 lines
565 B
C
static bool mac_parse(const char *addr, unsigned char *dest, uint8_t *mask)
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{
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unsigned int i = 0, value;
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char *end;
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for (i = 0; i < ETH_ALEN; ++i) {
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value = strtoul(addr, &end, 16);
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if (addr == end || value > 0xFF)
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return false;
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if (i == ETH_ALEN - 1) {
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if (*end != '\0' && *end != '/')
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return false;
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} else if (*end != ':') {
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return false;
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}
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dest[i] = value;
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addr = end + 1;
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}
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*mask = 48;
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if (*end == '/') {
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if (!strtonum(end + 1, &end, &value, 0, 48))
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return false;
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if (*end != '\0')
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return false;
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}
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return true;
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}
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