From 6e7a315eb67cb6c113cf37e1d66c4f11a51a2b3e Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 18:29:51 +0200
Subject: Adding upstream version 2.06.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 util/probe.c | 172 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 172 insertions(+)
 create mode 100644 util/probe.c

(limited to 'util/probe.c')

diff --git a/util/probe.c b/util/probe.c
new file mode 100644
index 0000000..fa7ca34
--- /dev/null
+++ b/util/probe.c
@@ -0,0 +1,172 @@
+/* grub-probe.c - probe device information for a given path */
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2005,2006,2007,2008,2009,2010,2013  Free Software Foundation, Inc.
+ *
+ *  GRUB is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  GRUB is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+#include <grub/types.h>
+#include <grub/emu/misc.h>
+#include <grub/util/misc.h>
+#include <grub/device.h>
+#include <grub/disk.h>
+#include <grub/file.h>
+#include <grub/fs.h>
+#include <grub/partition.h>
+#include <grub/msdos_partition.h>
+#include <grub/gpt_partition.h>
+#include <grub/emu/hostdisk.h>
+#include <grub/emu/getroot.h>
+#include <grub/term.h>
+#include <grub/env.h>
+#include <grub/diskfilter.h>
+#include <grub/i18n.h>
+#include <grub/emu/misc.h>
+#include <grub/util/ofpath.h>
+#include <grub/crypto.h>
+#include <grub/cryptodisk.h>
+
+#include <string.h>
+
+/* Since OF path names can have "," characters in them, and GRUB
+   internally uses "," to indicate partitions (unlike OF which uses
+   ":" for this purpose) we escape such commas.  */
+static char *
+escape_of_path (const char *orig_path)
+{
+  char *new_path, *d, c;
+  const char *p;
+
+  if (!strchr (orig_path, ','))
+    return (char *) xstrdup (orig_path);
+
+  new_path = xmalloc (strlen (orig_path) * 2 + 1);
+
+  p = orig_path;
+  d = new_path;
+  while ((c = *p++) != '\0')
+    {
+      if (c == ',')
+	*d++ = '\\';
+      *d++ = c;
+    }
+  *d = 0;
+
+  return new_path;
+}
+
+char *
+grub_util_guess_bios_drive (const char *orig_path)
+{
+  char *canon;
+  char *ptr;
+  canon = grub_canonicalize_file_name (orig_path);
+  if (!canon)
+    return NULL;
+  ptr = strrchr (orig_path, '/');
+  if (ptr)
+    ptr++;
+  else
+    ptr = canon;
+  if ((ptr[0] == 's' || ptr[0] == 'h') && ptr[1] == 'd')
+    {
+      int num = ptr[2] - 'a';
+      free (canon);
+      return xasprintf ("hd%d", num);
+    }
+  if (ptr[0] == 'f' && ptr[1] == 'd')
+    {
+      int num = atoi (ptr + 2);
+      free (canon);
+      return xasprintf ("fd%d", num);
+    }
+  free (canon);
+  return NULL;
+}
+
+char *
+grub_util_guess_efi_drive (const char *orig_path)
+{
+  char *canon;
+  char *ptr;
+  canon = grub_canonicalize_file_name (orig_path);
+  if (!canon)
+    return NULL;
+  ptr = strrchr (orig_path, '/');
+  if (ptr)
+    ptr++;
+  else
+    ptr = canon;
+  if ((ptr[0] == 's' || ptr[0] == 'h') && ptr[1] == 'd')
+    {
+      int num = ptr[2] - 'a';
+      free (canon);
+      return xasprintf ("hd%d", num);
+    }
+  if (ptr[0] == 'f' && ptr[1] == 'd')
+    {
+      int num = atoi (ptr + 2);
+      free (canon);
+      return xasprintf ("fd%d", num);
+    }
+  free (canon);
+  return NULL;
+}
+
+char *
+grub_util_guess_baremetal_drive (const char *orig_path)
+{
+  char *canon;
+  char *ptr;
+  canon = grub_canonicalize_file_name (orig_path);
+  if (!canon)
+    return NULL;
+  ptr = strrchr (orig_path, '/');
+  if (ptr)
+    ptr++;
+  else
+    ptr = canon;
+  if (ptr[0] == 'h' && ptr[1] == 'd')
+    {
+      int num = ptr[2] - 'a';
+      free (canon);
+      return xasprintf ("ata%d", num);
+    }
+  if (ptr[0] == 's' && ptr[1] == 'd')
+    {
+      int num = ptr[2] - 'a';
+      free (canon);
+      return xasprintf ("ahci%d", num);
+    }
+  free (canon);
+  return NULL;
+}
+
+void
+grub_util_fprint_full_disk_name (FILE *f,
+				 const char *drive, grub_device_t dev)
+{
+  char *dname = escape_of_path (drive);
+  if (dev->disk->partition)
+    {
+      char *pname = grub_partition_get_name (dev->disk->partition);
+      fprintf (f, "%s,%s", dname, pname);
+      free (pname);
+    }
+  else
+    fprintf (f, "%s", dname);
+  free (dname);
+} 
-- 
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