feat(db): 添加对达梦数据库的支持

- 在应用程序中新增对达梦数据库（DM）的配置和连接支持 - 实现 SetDmDB 函数以配置达梦数据库连接 - 更新数据库操作逻辑，支持达梦特有的 SQL 语法和功能 - 在相关文件中添加达梦数据库的处理逻辑，包括表创建、数据插入和查询 - 更新 go.mod 和 go.sum 文件以引入达梦数据库驱动 - 增强文档，详细说明达梦数据库的配置和使用方法
2026-03-20 10:46:51 +08:00
parent 7ab803c5cc
commit b43f968b6c
194 changed files with 211502 additions and 2328 deletions
@@ -0,0 +1,83 @@
+/*
+ * Copyright (c) 2000-2018, 达梦数据库有限公司.
+ * All rights reserved.
+ */
+
+package security
+
+import (
+	"syscall"
+)
+
+var (
+	dmCipherEncryptDLL          *syscall.LazyDLL
+	cipherGetCountProc          *syscall.LazyProc
+	cipherGetInfoProc           *syscall.LazyProc
+	cipherEncryptInitProc       *syscall.LazyProc
+	cipherGetCipherTextSizeProc *syscall.LazyProc
+	cipherEncryptProc           *syscall.LazyProc
+	cipherCleanupProc           *syscall.LazyProc
+	cipherDecryptInitProc       *syscall.LazyProc
+	cipherDecryptProc           *syscall.LazyProc
+)
+
+func initThirdPartCipher(cipherPath string) error {
+	dmCipherEncryptDLL = syscall.NewLazyDLL(cipherPath)
+	if err := dmCipherEncryptDLL.Load(); err != nil {
+		return err
+	}
+	cipherGetCountProc = dmCipherEncryptDLL.NewProc("cipher_get_count")
+	cipherGetInfoProc = dmCipherEncryptDLL.NewProc("cipher_get_info")
+	cipherEncryptInitProc = dmCipherEncryptDLL.NewProc("cipher_encrypt_init")
+	cipherGetCipherTextSizeProc = dmCipherEncryptDLL.NewProc("cipher_get_cipher_text_size")
+	cipherEncryptProc = dmCipherEncryptDLL.NewProc("cipher_encrypt")
+	cipherCleanupProc = dmCipherEncryptDLL.NewProc("cipher_cleanup")
+	cipherDecryptInitProc = dmCipherEncryptDLL.NewProc("cipher_decrypt_init")
+	cipherDecryptProc = dmCipherEncryptDLL.NewProc("cipher_decrypt")
+	return nil
+}
+
+func cipherGetCount() int {
+	ret, _, _ := cipherGetCountProc.Call()
+	return int(ret)
+}
+
+func cipherGetInfo(seqno, cipherId, cipherName, _type, blkSize, khSIze uintptr) {
+	ret, _, _ := cipherGetInfoProc.Call(seqno, cipherId, cipherName, _type, blkSize, khSIze)
+	if ret == 0 {
+		panic("ThirdPartyCipher: call cipher_get_info failed")
+	}
+}
+
+func cipherEncryptInit(cipherId, key, keySize, cipherPara uintptr) {
+	ret, _, _ := cipherEncryptInitProc.Call(cipherId, key, keySize, cipherPara)
+	if ret == 0 {
+		panic("ThirdPartyCipher: call cipher_encrypt_init failed")
+	}
+}
+
+func cipherGetCipherTextSize(cipherId, cipherPara, plainTextSize uintptr) uintptr {
+	ciphertextLen, _, _ := cipherGetCipherTextSizeProc.Call(cipherId, cipherPara, plainTextSize)
+	return ciphertextLen
+}
+
+func cipherEncrypt(cipherId, cipherPara, plainText, plainTextSize, cipherText, cipherTextBufSize uintptr) uintptr {
+	ret, _, _ := cipherEncryptProc.Call(cipherId, cipherPara, plainText, plainTextSize, cipherText, cipherTextBufSize)
+	return ret
+}
+
+func cipherClean(cipherId, cipherPara uintptr) {
+	_, _, _ = cipherCleanupProc.Call(cipherId, cipherPara)
+}
+
+func cipherDecryptInit(cipherId, key, keySize, cipherPara uintptr) {
+	ret, _, _ := cipherDecryptInitProc.Call(cipherId, key, keySize, cipherPara)
+	if ret == 0 {
+		panic("ThirdPartyCipher: call cipher_decrypt_init failed")
+	}
+}
+
+func cipherDecrypt(cipherId, cipherPara, cipherText, cipherTextSize, plainText, plainTextBufSize uintptr) uintptr {
+	ret, _, _ := cipherDecryptProc.Call(cipherId, cipherPara, cipherText, cipherTextSize, plainText, plainTextBufSize)
+	return ret
+}