| |
@@ -0,0 +1,160 @@
|
| |
+ From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
|
| |
+ From: Marta Lewandowska <mlewando@redhat.com>
|
| |
+ Date: Mon, 9 Oct 2023 08:53:18 +0200
|
| |
+ Subject: [PATCH] add flag to only search root dev
|
| |
+
|
| |
+ fixes bz#2223437
|
| |
+
|
| |
+ Signed-off-by: Marta Lewandowska <mlewando@redhat.com>
|
| |
+ ---
|
| |
+ grub-core/commands/search.c | 36 ++++++++++++++++++++++++++++++++++++
|
| |
+ grub-core/commands/search_wrap.c | 5 +++++
|
| |
+ grub-core/kern/misc.c | 30 ++++++++++++++++++++++++++++++
|
| |
+ include/grub/misc.h | 1 +
|
| |
+ include/grub/search.h | 3 ++-
|
| |
+ 5 files changed, 74 insertions(+), 1 deletion(-)
|
| |
+
|
| |
+ diff --git a/grub-core/commands/search.c b/grub-core/commands/search.c
|
| |
+ index 57d26ced8a8e..819231751c38 100644
|
| |
+ --- a/grub-core/commands/search.c
|
| |
+ +++ b/grub-core/commands/search.c
|
| |
+ @@ -85,6 +85,42 @@ iterate_device (const char *name, void *data)
|
| |
+ grub_device_close (dev);
|
| |
+ }
|
| |
+
|
| |
+ + /* Skip it if it's not the root device when requested. */
|
| |
+ + if (ctx->flags & SEARCH_FLAGS_ROOTDEV_ONLY)
|
| |
+ + {
|
| |
+ + const char *root_dev;
|
| |
+ + root_dev = grub_env_get ("root");
|
| |
+ + if (root_dev != NULL && *root_dev != '\0')
|
| |
+ + {
|
| |
+ + char *root_disk = grub_malloc (grub_strlen(root_dev) + 1);
|
| |
+ + char *name_disk = grub_malloc (grub_strlen(name) + 1);
|
| |
+ + char *rem_1 = grub_malloc(grub_strlen(root_dev) + 1);
|
| |
+ + char *rem_2 = grub_malloc(grub_strlen(name) + 1);
|
| |
+ +
|
| |
+ + if (root_disk != NULL && name_disk != NULL &&
|
| |
+ + rem_1 != NULL && rem_2 != NULL)
|
| |
+ + {
|
| |
+ + /* get just the disk name; partitions will be different. */
|
| |
+ + grub_str_sep (root_dev, root_disk, ',', rem_1);
|
| |
+ + grub_str_sep (name, name_disk, ',', rem_2);
|
| |
+ + if (root_disk != NULL && *root_disk != '\0' &&
|
| |
+ + name_disk != NULL && *name_disk != '\0')
|
| |
+ + if (grub_strcmp(root_disk, name_disk) != 0)
|
| |
+ + {
|
| |
+ + grub_free (root_disk);
|
| |
+ + grub_free (name_disk);
|
| |
+ + grub_free (rem_1);
|
| |
+ + grub_free (rem_2);
|
| |
+ + return 0;
|
| |
+ + }
|
| |
+ + }
|
| |
+ + grub_free (root_disk);
|
| |
+ + grub_free (name_disk);
|
| |
+ + grub_free (rem_1);
|
| |
+ + grub_free (rem_2);
|
| |
+ + }
|
| |
+ + }
|
| |
+ +
|
| |
+ #ifdef DO_SEARCH_FS_UUID
|
| |
+ #define compare_fn grub_strcasecmp
|
| |
+ #else
|
| |
+ diff --git a/grub-core/commands/search_wrap.c b/grub-core/commands/search_wrap.c
|
| |
+ index 0b62acf85359..06b5f51eefb5 100644
|
| |
+ --- a/grub-core/commands/search_wrap.c
|
| |
+ +++ b/grub-core/commands/search_wrap.c
|
| |
+ @@ -41,6 +41,7 @@ static const struct grub_arg_option options[] =
|
| |
+ ARG_TYPE_STRING},
|
| |
+ {"no-floppy", 'n', 0, N_("Do not probe any floppy drive."), 0, 0},
|
| |
+ {"efidisk-only", 0, 0, N_("Only probe EFI disks."), 0, 0},
|
| |
+ + {"root-dev-only", 'r', 0, N_("Only probe root device."), 0, 0},
|
| |
+ {"hint", 'h', GRUB_ARG_OPTION_REPEATABLE,
|
| |
+ N_("First try the device HINT. If HINT ends in comma, "
|
| |
+ "also try subpartitions"), N_("HINT"), ARG_TYPE_STRING},
|
| |
+ @@ -75,6 +76,7 @@ enum options
|
| |
+ SEARCH_SET,
|
| |
+ SEARCH_NO_FLOPPY,
|
| |
+ SEARCH_EFIDISK_ONLY,
|
| |
+ + SEARCH_ROOTDEV_ONLY,
|
| |
+ SEARCH_HINT,
|
| |
+ SEARCH_HINT_IEEE1275,
|
| |
+ SEARCH_HINT_BIOS,
|
| |
+ @@ -189,6 +191,9 @@ grub_cmd_search (grub_extcmd_context_t ctxt, int argc, char **args)
|
| |
+ if (state[SEARCH_EFIDISK_ONLY].set)
|
| |
+ flags |= SEARCH_FLAGS_EFIDISK_ONLY;
|
| |
+
|
| |
+ + if (state[SEARCH_ROOTDEV_ONLY].set)
|
| |
+ + flags |= SEARCH_FLAGS_ROOTDEV_ONLY;
|
| |
+ +
|
| |
+ if (state[SEARCH_LABEL].set)
|
| |
+ grub_search_label (id, var, flags, hints, nhints);
|
| |
+ else if (state[SEARCH_FS_UUID].set)
|
| |
+ diff --git a/grub-core/kern/misc.c b/grub-core/kern/misc.c
|
| |
+ index cb454614022f..c0ac7fee6cc2 100644
|
| |
+ --- a/grub-core/kern/misc.c
|
| |
+ +++ b/grub-core/kern/misc.c
|
| |
+ @@ -619,6 +619,36 @@ grub_reverse (char *str)
|
| |
+ }
|
| |
+ }
|
| |
+
|
| |
+ +/* Separate string into two parts, broken up by delimiter delim. */
|
| |
+ +void
|
| |
+ +grub_str_sep (const char *s, char *p, char delim, char *r)
|
| |
+ +{
|
| |
+ + char* t = grub_strndup(s, grub_strlen(s));
|
| |
+ +
|
| |
+ + if (t != NULL && *t != '\0')
|
| |
+ + {
|
| |
+ + char* tmp = t;
|
| |
+ +
|
| |
+ + while (((*p = *t) != '\0') && ((*p = *t) != delim))
|
| |
+ + {
|
| |
+ + p++;
|
| |
+ + t++;
|
| |
+ + }
|
| |
+ + *p = '\0';
|
| |
+ +
|
| |
+ + if (*t != '\0')
|
| |
+ + {
|
| |
+ + t++;
|
| |
+ + while ((*r++ = *t++) != '\0')
|
| |
+ + ;
|
| |
+ + *r = '\0';
|
| |
+ + }
|
| |
+ + grub_free (tmp);
|
| |
+ + }
|
| |
+ + else
|
| |
+ + grub_free (t);
|
| |
+ +}
|
| |
+ +
|
| |
+ /* Divide N by D, return the quotient, and store the remainder in *R. */
|
| |
+ grub_uint64_t
|
| |
+ grub_divmod64 (grub_uint64_t n, grub_uint64_t d, grub_uint64_t *r)
|
| |
+ diff --git a/include/grub/misc.h b/include/grub/misc.h
|
| |
+ index faae0ae8606c..981526644d29 100644
|
| |
+ --- a/include/grub/misc.h
|
| |
+ +++ b/include/grub/misc.h
|
| |
+ @@ -314,6 +314,7 @@ void *EXPORT_FUNC(grub_memset) (void *s, int c, grub_size_t n);
|
| |
+ grub_size_t EXPORT_FUNC(grub_strlen) (const char *s) WARN_UNUSED_RESULT;
|
| |
+ int EXPORT_FUNC(grub_printf) (const char *fmt, ...) __attribute__ ((format (GNU_PRINTF, 1, 2)));
|
| |
+ int EXPORT_FUNC(grub_printf_) (const char *fmt, ...) __attribute__ ((format (GNU_PRINTF, 1, 2)));
|
| |
+ +void EXPORT_FUNC(grub_str_sep) (const char *s, char *p, char delim, char *r);
|
| |
+
|
| |
+ /* Replace all `ch' characters of `input' with `with' and copy the
|
| |
+ result into `output'; return EOS address of `output'. */
|
| |
+ diff --git a/include/grub/search.h b/include/grub/search.h
|
| |
+ index 4190aeb2cbf5..321d1400e451 100644
|
| |
+ --- a/include/grub/search.h
|
| |
+ +++ b/include/grub/search.h
|
| |
+ @@ -22,7 +22,8 @@
|
| |
+ enum search_flags
|
| |
+ {
|
| |
+ SEARCH_FLAGS_NO_FLOPPY = 1,
|
| |
+ - SEARCH_FLAGS_EFIDISK_ONLY = 2
|
| |
+ + SEARCH_FLAGS_EFIDISK_ONLY = 2,
|
| |
+ + SEARCH_FLAGS_ROOTDEV_ONLY = 4
|
| |
+ };
|
| |
+
|
| |
+ void grub_search_fs_file (const char *key, const char *var,
|
| |
nfrayer
commented 7 months ago
Resolves: #2223437
Signed-off-by: Nicolas Frayer nfrayer@redhat.com