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Expanding capabilities of MySQL to correctly retrieve UTF8MB4 chars

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This commit is contained in:
Miroslav Štampar 2026-07-27 11:35:14 +02:00
parent 69108bcf01
commit ec58f57fa9
6 changed files with 18 additions and 3 deletions
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10
plugins/dbms/mysql/fingerprint.py
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@ -95,6 +95,14 @@ class Fingerprint(GenericFingerprint):
return None
def _checkUtf8mb4(self):
# NCHAR (utf8mb3) downgrades 4-byte chars (emoji) to '?'; cache whether utf8mb4 works ('' if not)
kb.mysqlUtf8mb4 = hashDBRetrieve(HASHDB_KEYS.MYSQL_UTF8MB4)
if kb.mysqlUtf8mb4 is None:
kb.mysqlUtf8mb4 = "utf8mb4" if inject.checkBooleanExpression("[RANDNUM]=CONVERT([RANDNUM] USING utf8mb4)") else ""
hashDBWrite(HASHDB_KEYS.MYSQL_UTF8MB4, kb.mysqlUtf8mb4)
def getFingerprint(self):
fork = hashDBRetrieve(HASHDB_KEYS.DBMS_FORK)
@ -118,6 +126,8 @@ class Fingerprint(GenericFingerprint):
hashDBWrite(HASHDB_KEYS.DBMS_FORK, fork)
self._checkUtf8mb4()
value = ""
wsOsFp = Format.getOs("web server", kb.headersFp)