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Fix how MAC addresses are handled by the rules parser

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It wasn't ignoring separator characters such as the colon and hyphen.
The rules compiler automatically add a colon to separate bytes, which is
not compatible with how they are parsed.
This commit is contained in:
Léo El Amri 2023-11-14 21:57:53 +01:00
parent a477688e51
commit 1aa31e0414
2 changed files with 16 additions and 2 deletions
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14
node/Utils.hpp
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@ -24,6 +24,7 @@
#include <stdexcept>
#include <vector>
#include <map>
#include <algorithm>
#if defined(__FreeBSD__)
#include <sys/endian.h>
@ -849,6 +850,19 @@ public:
* Hexadecimal characters 0-f
*/
static const char HEXCHARS[16];
/*
* Remove `-` and `:` from a MAC address (in-place).
*
* @param mac The MAC address
*/
static inline void cleanMac(std::string& mac)
{
auto start = mac.begin();
auto end = mac.end();
auto new_end = std::remove_if(start, end, [](char c) { return c == 45 || c == 58; });
mac.erase(new_end, end);
}
};
} // namespace ZeroTier