Function Ext2FillEntry

Ext4Fsd/dirctl.c:413–519

}

static int Ext2FillEntry(void *context, const char *name, int namlen,
                         ULONG offset, __u32 ino, unsigned int d_type)
{
    PEXT2_FILLDIR_CONTEXT fc = context;
    PEXT2_IRP_CONTEXT IrpContext = fc->efc_irp;

    PEXT2_FCB       Fcb = IrpContext->Fcb;
    PEXT2_CCB       Ccb = IrpContext->Ccb;
    PEXT2_VCB       Vcb = Fcb->Vcb;

    OEM_STRING      Oem;
    UNICODE_STRING  Unicode = { 0 };
    NTSTATUS        Status = STATUS_SUCCESS;
    ULONG           EntrySize;
    USHORT          NameLen;
    int             rc = 0;

    if (fc->efc_start > 0 && (fc->efc_single || (fc->efc_size <
                              fc->efc_start +  namlen * 2 + Ext2GetInfoLength(fc->efc_fi)) )) {
        rc = 1;
        goto errorout;
    }


    Oem.Buffer = (void *)name;
    Oem.Length = namlen & 0xFF;
    Oem.MaximumLength = Oem.Length;

    /* skip . and .. */
    if ((Oem.Length == 1 && name[0] == '.') || (Oem.Length == 2 &&
            name[0] == '.' && name[1] == '.' )) {
        goto errorout;
    }

    if (Ext2IsWearingCloak(Vcb, &Oem)) {
        goto errorout;
    }

    NameLen = (USHORT)Ext2OEMToUnicodeSize(Vcb, &Oem);
    if (NameLen <= 0) {
        fc->efc_status = STATUS_INSUFFICIENT_RESOURCES;
        rc = -ENOMEM;
        goto errorout;
    }

    Unicode.MaximumLength = NameLen + 2;
    Unicode.Buffer = Ext2AllocatePool(
                         PagedPool,
                         Unicode.MaximumLength,
                         EXT2_INAME_MAGIC
                     );
    if (!Unicode.Buffer) {
        DEBUG(DL_ERR, ( "Ex2QueryDirectory: failed to "
                        "allocate InodeFileName.\n"));
        fc->efc_status = STATUS_INSUFFICIENT_RESOURCES;
        rc = -ENOMEM;
        goto errorout;
    }