Get a Remote File's Group

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Demonstrates the Chilkat SFtp.GetFileGroup method, which returns a remote file's group ownership. The arguments are the remote path (or handle), whether symbolic links are followed, and whether the first argument is a handle.

Background: The group is the second half of Unix ownership, and it drives the "group" permission bits — the mechanism by which several accounts share access to the same files. As with the owner, the server may return a numeric GID when it cannot resolve a name, and the value is meaningful only on servers that implement Unix-style ownership.

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#include <C_CkSFtp.h>

void ChilkatSample(void)
    {
    BOOL success;
    HCkSFtp sftp;
    int port;
    const char *password;
    BOOL bFollowLinks;
    BOOL bIsHandle;
    const char *group;

    success = FALSE;

    //  Demonstrates the SFtp.GetFileGroup method, which returns a remote file's group ownership.  The
    //  1st argument is the remote path (or handle), the 2nd selects whether symbolic links are
    //  followed, and the 3rd indicates whether the 1st argument is a handle.

    sftp = CkSFtp_Create();

    //  Connect, authenticate, and initialize the SFTP subsystem.
    port = 22;
    success = CkSFtp_Connect(sftp,"sftp.example.com",port);
    if (success == FALSE) {
        printf("%s\n",CkSFtp_lastErrorText(sftp));
        CkSFtp_Dispose(sftp);
        return;
    }

    //  Normally you would not hard-code the password in source.  You should instead obtain it
    //  from an interactive prompt, environment variable, or a secrets vault.
    password = "mySshPassword";

    success = CkSFtp_AuthenticatePw(sftp,"mySshLogin",password);
    if (success == FALSE) {
        printf("%s\n",CkSFtp_lastErrorText(sftp));
        CkSFtp_Dispose(sftp);
        return;
    }

    success = CkSFtp_InitializeSftp(sftp);
    if (success == FALSE) {
        printf("%s\n",CkSFtp_lastErrorText(sftp));
        CkSFtp_Dispose(sftp);
        return;
    }

    //  The 2nd argument (bFollowLinks) selects whether a symbolic link is followed to its target.
    //  The 3rd argument (bIsHandle) is FALSE here because the 1st argument is a path, not an
    //  open handle.
    bFollowLinks = TRUE;
    bIsHandle = FALSE;

    group = CkSFtp_getFileGroup(sftp,"subdir/report.pdf",bFollowLinks,bIsHandle);
    if (CkSFtp_getLastMethodSuccess(sftp) == FALSE) {
        printf("%s\n",CkSFtp_lastErrorText(sftp));
        CkSFtp_Dispose(sftp);
        return;
    }

    printf("Group: %s\n",group);

    CkSFtp_Disconnect(sftp);


    CkSFtp_Dispose(sftp);

    }