Added helper application to create device reports on Linux systems without .NET framework available.

DiscImageChef.Device.Report/scsi.c

@@ -0,0 +1,66 @@
+//
+// Created by claunia on 11/12/17.
+//
+
+#include <unitypes.h>
+#include <malloc.h>
+#include <scsi/sg.h>
+#include <sys/ioctl.h>
+#include <errno.h>
+#include <string.h>
+#include "scsi.h"
+
+int SendScsiCommand(int fd, void *cdb, unsigned char cdb_len, unsigned char *buffer, unsigned int buffer_len, unsigned char **senseBuffer, int direction)
+{
+    if(buffer == NULL || cdb == NULL)
+        return -1;
+
+    *senseBuffer = malloc(32);
+    memset(*senseBuffer, 0, 32);
+
+    sg_io_hdr_t io_hdr;
+    memset(&io_hdr, 0, sizeof(sg_io_hdr_t));
+
+    io_hdr.interface_id = 'S';
+    io_hdr.cmd_len = cdb_len;
+    io_hdr.mx_sb_len = 32;
+    io_hdr.dxfer_direction = direction;
+    io_hdr.dxfer_len = buffer_len;
+    io_hdr.dxferp = buffer;
+    io_hdr.cmdp = cdb;
+    io_hdr.sbp = *senseBuffer;
+    io_hdr.timeout = 10000;
+
+    int error = ioctl(fd, SG_IO, &io_hdr);
+
+    if(error < 0)
+        error = errno;
+    else
+        free(*senseBuffer);
+
+    return error;
+}
+
+int Inquiry(int fd, unsigned char **buffer, unsigned char **senseBuffer)
+{
+    unsigned char cmd_len = 6;
+    *buffer = malloc(36);
+    memset(*buffer, 0, 36);
+    char cdb[] = {SCSI_INQUIRY, 0, 0, 0, 36, 0};
+
+    int error = SendScsiCommand(fd, &cdb, cmd_len, *buffer, 36, senseBuffer, SG_DXFER_FROM_DEV);
+
+    if(error)
+        return error;
+
+    unsigned char pagesLength = *(*buffer + 4) + 5;
+
+    free(*buffer);
+    *buffer = malloc(pagesLength);
+    memset(*buffer, 0, pagesLength);
+
+    cdb[4] = pagesLength;
+    error = SendScsiCommand(fd, &cdb, cmd_len, *buffer, pagesLength, senseBuffer, SG_DXFER_FROM_DEV);
+
+    return error;
+}