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Improved card limits validation

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Unsupported features must have values in `weigand_card_t` data set to zero.
This commit is contained in:
Henry Gabryjelski
2025-09-03 16:38:42 -07:00
parent c389160dde
commit 55f5b124b2
1 changed files with 14 additions and 0 deletions
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client/src/wiegand_formats.c
+14
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@@ -1610,6 +1610,20 @@ int HIDFindCardFormat(const char *format) {
// return true if the card is valid
bool validate_card_limit(int format_idx, wiegand_card_t *card) {
cardformatdescriptor_t card_descriptor = FormatTable[format_idx].Fields;
// If a field is not supported, it's implicitly required to be zero
if ((!card_descriptor.hasCardNumber ) && (card->CardNumber != 0u)) {
return false; // Format does not support card number, but non-zero card number provided
}
if ((!card_descriptor.hasFacilityCode) && (card->FacilityCode != 0u)) {
return false; // Format does not support facility code, but non-zero facility code provided
}
if ((!card_descriptor.hasIssueLevel ) && (card->IssueLevel != 0u)) {
return false; // Format does not support issue levels, but non-zero issue level provided
}
if ((!card_descriptor.hasOEMCode ) && (card->OEM != 0u)) {
return false; // Format does not support OEM codes, but non-zero OEM code provided
}
return !((card->FacilityCode > card_descriptor.MaxFC) ||
(card->CardNumber > card_descriptor.MaxCN) ||
(card->IssueLevel > card_descriptor.MaxIL) ||