在Windows中更改文件所有者

发布时间：2020-12-14 01:51:29 所属栏目：Windows 来源：网络整理

导读：Windows中的API是否类似于 Linux的 chown？解决方法取自这里： http://www.perlmonks.org/?node_id=70562 // #includes omitted for the sake of sanity HANDLE token; char *filename = "somefile.txt"; char *newuser = "someuser"; DWORD len; PSECURIT

Windows中的API是否类似于 Linux的 chown？

解决方法

取自这里： http://www.perlmonks.org/?node_id=70562

// #includes omitted for the sake of sanity
    HANDLE token;
    char *filename = "somefile.txt";
    char *newuser = "someuser";
    DWORD len;
    PSECURITY_DESCRIPTOR security = NULL;
    PSID sidPtr = NULL;
    int retValue = 1;

    // Get the privileges you need
    if (OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES,&token)) {
        SetPrivilege(token,"SeTakeOwnershipPrivilege",1);
        SetPrivilege(token,"SeSecurityPrivilege","SeBackupPrivilege","SeRestorePrivilege",1);
    } else retValue = 0;

    // Create the security descriptor
    if (retValue) {
        GetFileSecurity(filename,OWNER_SECURITY_INFORMATION,security,&len);
        security = (PSECURITY_DESCRIPTOR)malloc(len);
        if (!InitializeSecurityDescriptor(security,SECURITY_DESCRIPTOR_REVISION))
            retValue = 0;
    }

    // Get the sid for the username
    if (retValue) {
        char domainbuf[4096];
        DWORD sidSize = 0;
        DWORD bufSize = 4096;
        SID_NAME_USE sidUse;
        LookupAccountName(NULL,newuser,sidPtr,&sidSize,domainbuf,&bufSize,&sidUse);
        sid = (PSID)malloc(sidSize);
        if (!LookupAccountName(NULL,string,(PSID)sid,&sidUse))
            retValue = 0;
        }
    }

    // Set the sid to be the new owner
    if (retValue && !SetSecurityDescriptorOwner(security,0))
        retValue = 0;

    // Save the security descriptor
    if (retValue)
        retValue = SetFileSecurity(filename,security);
    if (security) free(security);
    if (sid) free(sid);
    return retValue;

（编辑：李大同）

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