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-rw-r--r--debian/patches/default-grub-d.patch209
1 files changed, 209 insertions, 0 deletions
diff --git a/debian/patches/default-grub-d.patch b/debian/patches/default-grub-d.patch
new file mode 100644
index 0000000..f7ca596
--- /dev/null
+++ b/debian/patches/default-grub-d.patch
@@ -0,0 +1,209 @@
+From 4dff7f7df2853c519c4b0f59ff224c0b31f8223e Mon Sep 17 00:00:00 2001
+From: Colin Watson <cjwatson@ubuntu.com>
+Date: Mon, 13 Jan 2014 12:13:10 +0000
+Subject: Read /etc/default/grub.d/*.cfg after /etc/default/grub
+
+Bug-Ubuntu: https://bugs.launchpad.net/bugs/901600
+Forwarded: no
+Last-Update: 2021-09-24
+
+Patch-Name: default-grub-d.patch
+---
+ grub-core/osdep/unix/config.c | 128 ++++++++++++++++++++++++++++------
+ util/grub-mkconfig.in | 5 ++
+ 2 files changed, 112 insertions(+), 21 deletions(-)
+
+diff --git a/grub-core/osdep/unix/config.c b/grub-core/osdep/unix/config.c
+index 7d6325138..545d64b4c 100644
+--- a/grub-core/osdep/unix/config.c
++++ b/grub-core/osdep/unix/config.c
+@@ -24,6 +24,9 @@
+ #include <grub/emu/config.h>
+ #include <grub/util/install.h>
+ #include <grub/util/misc.h>
++#include <grub/list.h>
++#include <grub/safemath.h>
++#include <assert.h>
+ #include <string.h>
+ #include <sys/types.h>
+ #include <sys/wait.h>
+@@ -61,13 +64,27 @@ grub_util_get_localedir (void)
+ return LOCALEDIR;
+ }
+
++struct cfglist
++{
++ struct cfglist *next;
++ struct cfglist *prev;
++ char *path;
++};
++
+ void
+ grub_util_load_config (struct grub_util_config *cfg)
+ {
+ pid_t pid;
+ const char *argv[4];
+- char *script, *ptr;
++ char *script = NULL, *ptr;
+ const char *cfgfile, *iptr;
++ char *cfgdir;
++ grub_util_fd_dir_t d;
++ struct cfglist *cfgpaths = NULL, *cfgpath, *next_cfgpath;
++ int num_cfgpaths = 0;
++ size_t len_cfgpaths = 0;
++ char **sorted_cfgpaths = NULL;
++ int i;
+ FILE *f = NULL;
+ int fd;
+ const char *v;
+@@ -83,29 +100,88 @@ grub_util_load_config (struct grub_util_config *cfg)
+ cfg->grub_distributor = xstrdup (v);
+
+ cfgfile = grub_util_get_config_filename ();
+- if (!grub_util_is_regular (cfgfile))
+- return;
++ if (grub_util_is_regular (cfgfile))
++ {
++ size_t sz;
++
++ ++num_cfgpaths;
++ sz = strlen (cfgfile);
++ if (grub_mul (sz, 4, &sz) ||
++ grub_add (sz, sizeof (". ''; ") - 1, &sz) ||
++ grub_add (len_cfgpaths, sz, &len_cfgpaths))
++ grub_util_error ("%s", _("overflow is detected"));
++ }
++
++ cfgdir = xasprintf ("%s.d", cfgfile);
++ d = grub_util_fd_opendir (cfgdir);
++ if (d)
++ {
++ grub_util_fd_dirent_t de;
++
++ while ((de = grub_util_fd_readdir (d)))
++ {
++ const char *ext = strrchr (de->d_name, '.');
++ size_t sz;
++
++ if (!ext || strcmp (ext, ".cfg") != 0)
++ continue;
++
++ cfgpath = xmalloc (sizeof (*cfgpath));
++ cfgpath->path = grub_util_path_concat (2, cfgdir, de->d_name);
++ grub_list_push (GRUB_AS_LIST_P (&cfgpaths), GRUB_AS_LIST (cfgpath));
++ ++num_cfgpaths;
++ sz = strlen (cfgpath->path);
++ if (grub_mul (sz, 4, &sz) ||
++ grub_add (sz, sizeof (". ''; ") - 1, &sz) ||
++ grub_add (len_cfgpaths, sz, &len_cfgpaths))
++ grub_util_error ("%s", _("overflow is detected"));
++ }
++ grub_util_fd_closedir (d);
++ }
++
++ if (num_cfgpaths == 0)
++ goto out;
++
++ sorted_cfgpaths = xcalloc (num_cfgpaths, sizeof (*sorted_cfgpaths));
++ i = 0;
++ if (grub_util_is_regular (cfgfile))
++ sorted_cfgpaths[i++] = xstrdup (cfgfile);
++ FOR_LIST_ELEMENTS_SAFE (cfgpath, next_cfgpath, cfgpaths)
++ {
++ sorted_cfgpaths[i++] = cfgpath->path;
++ free (cfgpath);
++ }
++ assert (i == num_cfgpaths);
++ qsort (sorted_cfgpaths + 1, num_cfgpaths - 1, sizeof (*sorted_cfgpaths),
++ (int (*) (const void *, const void *)) strcmp);
+
+ argv[0] = "sh";
+ argv[1] = "-c";
+
+- script = xcalloc (4, strlen (cfgfile) + 300);
++ if (grub_add (len_cfgpaths, 300, &len_cfgpaths))
++ grub_util_error ("%s", _("overflow is detected"));
++ script = xmalloc (len_cfgpaths);
+
+ ptr = script;
+- memcpy (ptr, ". '", 3);
+- ptr += 3;
+- for (iptr = cfgfile; *iptr; iptr++)
++ for (i = 0; i < num_cfgpaths; i++)
+ {
+- if (*iptr == '\\')
++ memcpy (ptr, ". '", 3);
++ ptr += 3;
++ for (iptr = sorted_cfgpaths[i]; *iptr; iptr++)
+ {
+- memcpy (ptr, "'\\''", 4);
+- ptr += 4;
+- continue;
++ if (*iptr == '\\')
++ {
++ memcpy (ptr, "'\\''", 4);
++ ptr += 4;
++ continue;
++ }
++ *ptr++ = *iptr;
+ }
+- *ptr++ = *iptr;
++ memcpy (ptr, "'; ", 3);
++ ptr += 3;
+ }
+
+- strcpy (ptr, "'; printf \"GRUB_ENABLE_CRYPTODISK=%s\\nGRUB_DISTRIBUTOR=%s\\n\" "
++ strcpy (ptr, "printf \"GRUB_ENABLE_CRYPTODISK=%s\\nGRUB_DISTRIBUTOR=%s\\n\" "
+ "\"$GRUB_ENABLE_CRYPTODISK\" \"$GRUB_DISTRIBUTOR\"");
+
+ argv[2] = script;
+@@ -125,15 +201,25 @@ grub_util_load_config (struct grub_util_config *cfg)
+ waitpid (pid, NULL, 0);
+ }
+ if (f)
+- return;
++ goto out;
+
+- f = grub_util_fopen (cfgfile, "r");
+- if (f)
++ for (i = 0; i < num_cfgpaths; i++)
+ {
+- grub_util_parse_config (f, cfg, 0);
+- fclose (f);
++ f = grub_util_fopen (sorted_cfgpaths[i], "r");
++ if (f)
++ {
++ grub_util_parse_config (f, cfg, 0);
++ fclose (f);
++ }
++ else
++ grub_util_warn (_("cannot open configuration file `%s': %s"),
++ cfgfile, strerror (errno));
+ }
+- else
+- grub_util_warn (_("cannot open configuration file `%s': %s"),
+- cfgfile, strerror (errno));
++
++out:
++ free (script);
++ for (i = 0; i < num_cfgpaths; i++)
++ free (sorted_cfgpaths[i]);
++ free (sorted_cfgpaths);
++ free (cfgdir);
+ }
+diff --git a/util/grub-mkconfig.in b/util/grub-mkconfig.in
+index 0fd618e35..0265a5a66 100644
+--- a/util/grub-mkconfig.in
++++ b/util/grub-mkconfig.in
+@@ -160,6 +160,11 @@ fi
+ if test -f ${sysconfdir}/default/grub ; then
+ . ${sysconfdir}/default/grub
+ fi
++for x in ${sysconfdir}/default/grub.d/*.cfg ; do
++ if [ -e "${x}" ]; then
++ . "${x}"
++ fi
++done
+
+ if [ "x${GRUB_DISABLE_UUID}" = "xtrue" ]; then
+ if [ -z "${GRUB_DISABLE_LINUX_UUID}" ]; then