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repeater admin password persistence after successful login enabled

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pelgraine
2026-02-10 15:12:29 +11:00
parent 04462b93bc
commit 8f558b130f
1 changed files with 57 additions and 3 deletions
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examples/companion_radio/ui-new/Repeateradminscreen.h
+57 -3
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@@ -62,6 +62,50 @@ private:
unsigned long _cmdSentAt; // millis() when command was sent
bool _waitingForLogin;
// Password cache - remembers passwords per repeater within session
static const int PWD_CACHE_SIZE = 8;
struct PwdCacheEntry {
int contactIdx;
char password[ADMIN_PASSWORD_MAX];
};
PwdCacheEntry _pwdCache[PWD_CACHE_SIZE];
int _pwdCacheCount;
// Look up cached password for a contact, returns nullptr if not found
const char* getCachedPassword(int contactIdx) {
for (int i = 0; i < _pwdCacheCount; i++) {
if (_pwdCache[i].contactIdx == contactIdx) return _pwdCache[i].password;
}
return nullptr;
}
// Save password to cache (update existing or add new, evict oldest if full)
void cachePassword(int contactIdx, const char* pwd) {
// Update existing entry
for (int i = 0; i < _pwdCacheCount; i++) {
if (_pwdCache[i].contactIdx == contactIdx) {
strncpy(_pwdCache[i].password, pwd, ADMIN_PASSWORD_MAX - 1);
_pwdCache[i].password[ADMIN_PASSWORD_MAX - 1] = '\0';
return;
}
}
// Add new entry, evict oldest if full
if (_pwdCacheCount < PWD_CACHE_SIZE) {
int slot = _pwdCacheCount++;
_pwdCache[slot].contactIdx = contactIdx;
strncpy(_pwdCache[slot].password, pwd, ADMIN_PASSWORD_MAX - 1);
_pwdCache[slot].password[ADMIN_PASSWORD_MAX - 1] = '\0';
} else {
// Shift entries down to evict oldest
for (int i = 0; i < PWD_CACHE_SIZE - 1; i++) {
_pwdCache[i] = _pwdCache[i + 1];
}
_pwdCache[PWD_CACHE_SIZE - 1].contactIdx = contactIdx;
strncpy(_pwdCache[PWD_CACHE_SIZE - 1].password, pwd, ADMIN_PASSWORD_MAX - 1);
_pwdCache[PWD_CACHE_SIZE - 1].password[ADMIN_PASSWORD_MAX - 1] = '\0';
}
}
static const char* menuLabel(MenuItem m) {
switch (m) {
case MENU_CLOCK_SYNC: return "Clock Sync";
@@ -104,7 +148,7 @@ public:
_contactIdx(-1), _permissions(0), _serverTime(0),
_pwdLen(0), _lastCharAt(0), _menuSel(0),
_responseLen(0), _responseScroll(0),
_cmdSentAt(0), _waitingForLogin(false) {
_cmdSentAt(0), _waitingForLogin(false), _pwdCacheCount(0) {
_password[0] = '\0';
_repeaterName[0] = '\0';
_response[0] = '\0';
@@ -118,9 +162,7 @@ public:
// Reset state
_state = STATE_PASSWORD_ENTRY;
_pwdLen = 0;
_lastCharAt = 0;
_password[0] = '\0';
_menuSel = 0;
_permissions = 0;
_serverTime = 0;
@@ -128,6 +170,17 @@ public:
_responseScroll = 0;
_response[0] = '\0';
_waitingForLogin = false;
// Pre-fill from password cache if available
const char* cached = getCachedPassword(contactIdx);
if (cached) {
strncpy(_password, cached, ADMIN_PASSWORD_MAX - 1);
_password[ADMIN_PASSWORD_MAX - 1] = '\0';
_pwdLen = strlen(_password);
} else {
_pwdLen = 0;
_password[0] = '\0';
}
}
int getContactIdx() const { return _contactIdx; }
@@ -140,6 +193,7 @@ public:
_permissions = permissions;
_serverTime = server_time;
_state = STATE_MENU;
cachePassword(_contactIdx, _password); // remember for next time
} else {
snprintf(_response, sizeof(_response), "Login failed.\nCheck password.");
_responseLen = strlen(_response);