diff options
Diffstat (limited to 'util.hpp')
| -rw-r--r-- | util.hpp | 33 |
1 files changed, 18 insertions, 15 deletions
@@ -4,9 +4,10 @@ #include "types.hpp" +#include <netinet/ether.h> #include <unistd.h> -#include <regex> +#include <cstring> #include <sdbusplus/bus.hpp> #include <string> #include <string_view> @@ -21,12 +22,10 @@ constexpr auto IPV4_MAX_PREFIX_LENGTH = 32; constexpr auto IPV6_MAX_PREFIX_LENGTH = 64; constexpr auto IPV4_PREFIX = "169.254"; constexpr auto IPV6_PREFIX = "fe80"; -constexpr auto ZEROMACADDRESS = "00:00:00:00:00:00"; namespace mac_address { -constexpr auto regex = "^([0-9A-Fa-f]{2}[:-]){5}([0-9A-Fa-f]{2})$"; constexpr auto localAdminMask = 0x020000000000; constexpr auto broadcastMac = 0xFFFFFFFFFFFF; @@ -39,9 +38,13 @@ constexpr size_t size = 18; */ inline bool validate(const std::string& value) { - std::regex regexToCheck(regex); - return std::regex_search(value, regexToCheck) && - value.find(ZEROMACADDRESS) != 0; + struct ether_addr* addr = ether_aton(value.c_str()); + if (addr == nullptr) + { + return false; + } + ether_addr zero{}; + return std::memcmp(addr, &zero, sizeof(zero)) != 0; } /** @brief gets the MAC address from the Inventory. @@ -68,15 +71,15 @@ namespace internal */ inline uint64_t convertToInt(const std::string& value) { - unsigned char mac[6]; - - sscanf(value.c_str(), "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx", mac + 0, mac + 1, - mac + 2, mac + 3, mac + 4, mac + 5); - return static_cast<uint64_t>(mac[0]) << 40 | - static_cast<uint64_t>(mac[1]) << 32 | - static_cast<uint64_t>(mac[2]) << 24 | - static_cast<uint64_t>(mac[3]) << 16 | - static_cast<uint64_t>(mac[4]) << 8 | static_cast<uint64_t>(mac[5]); + struct ether_addr* addr = ether_aton(value.c_str()); + if (addr == nullptr) + { + return 0; + } + uint64_t ret = 0; + static_assert(sizeof(ret) >= sizeof(*addr)); + std::memcpy(&ret, addr, sizeof(*addr)); + return ret; } /** @brief Converts the lower nibble of a byte value to a hex digit |
