prov_types.h

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#pragma once
 
#include <cstddef>
#include <cstdint>
 
namespace prov
{
constexpr size_t kMaxNetworks = 3;
constexpr size_t kSsidMax = 32;
constexpr size_t kPassMax = 64; // buffer bound; valid passwords are empty or 8-63 chars
constexpr size_t kSaltLen = 16;
constexpr size_t kHashLen = 32;
 
inline size_t bounded_len(const char* s, size_t cap)
{
    size_t n = 0;
    while (n < cap && s[n] != '\0')
    {
        ++n;
    }
    return n;
}
 
struct NetworkEntry {
    char ssid[kSsidMax + 1] = {};
    char pass[kPassMax + 1] = {};
    uint32_t last_ok_seq = 0; // larger = more recently added or joined
};
 
struct PinRecord {
    bool set = false;
    uint8_t salt[kSaltLen] = {};
    uint8_t hash[kHashLen] = {};
};
 
struct ScanResult {
    char ssid[kSsidMax + 1] = {};
    int8_t rssi = -127;
    bool secured = true;
};
 
struct Candidates {
    uint8_t idx[kMaxNetworks] = {}; // indices into NetworkList, strongest first
    size_t count = 0;
};
} // namespace prov