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(Unicode C) SFTP Get/Set File PermissionDemonstrates how to set the permissions of a file on the SFTP server
#include <C_CkSFtpW.h> void ChilkatSample(void) { HCkSFtpW sftp; const wchar_t *hostname; int port; BOOL success; BOOL isHandle; BOOL followLinks; int permVal; // This example assumes the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. sftp = CkSFtpW_Create(); // Connect to the SSH/SFTP server. hostname = L"sftp.example.com"; port = 22; success = CkSFtpW_Connect(sftp,hostname,port); if (success != TRUE) { wprintf(L"%s\n",CkSFtpW_lastErrorText(sftp)); CkSFtpW_Dispose(sftp); return; } // Authenticate with the SSH server. Chilkat SFTP supports // both password-based authenication as well as public-key // authentication. This example uses password authenication. success = CkSFtpW_AuthenticatePw(sftp,L"myLogin",L"myPassword"); if (success != TRUE) { wprintf(L"%s\n",CkSFtpW_lastErrorText(sftp)); CkSFtpW_Dispose(sftp); return; } // After authenticating, the SFTP subsystem must be initialized: success = CkSFtpW_InitializeSftp(sftp); if (success != TRUE) { wprintf(L"%s\n",CkSFtpW_lastErrorText(sftp)); CkSFtpW_Dispose(sftp); return; } // Get the file permissions for the "hamlet.xml" file on the server. // The hamlet.xml file is located in the qa_data directory found under the HOME directory of the SSH user account. // We are passing the remote file path (we are not passing a file handle returned by a previous call to OpenFile). isHandle = FALSE; followLinks = TRUE; permVal = CkSFtpW_GetFilePermissions(sftp,L"qa_data/hamlet.xml",followLinks,isHandle); if (permVal < 0) { wprintf(L"%s\n",CkSFtpW_lastErrorText(sftp)); CkSFtpW_Dispose(sftp); return; } // Note: Filesystem permissions on Linux/Unix/MacOSX are typically written in octal (POSIX file permissions). For example 0644 is octal. // To convert to decimal: octal 644 = 6*8^2 + 4*8 + 4 = 420 (decimal) // // The server may return a permissions value (in octal) such as 100644. // The "100" indicates the file type, such as regular file or directory. // Show the decimal value of the permissions wprintf(L"decimal permissions value: %d\n",permVal); // To set the file permissions, pass the integer value. // Let's change the permissions to 0664, which is 6*8^2 + 6*8 + 4 = 436 (decimal) success = CkSFtpW_SetPermissions(sftp,L"qa_data/hamlet.xml",isHandle,436); if (success != TRUE) { wprintf(L"%s\n",CkSFtpW_lastErrorText(sftp)); CkSFtpW_Dispose(sftp); return; } wprintf(L"Success.\n"); CkSFtpW_Dispose(sftp); } |
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