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* grub-core/loader/i386/multiboot_mbi.c: Handle space in command line.

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* grub-core/loader/multiboot_mbi2.c: Likewise.
This commit is contained in:
Vladimir Serbinenko 2013-11-09 17:32:37 +01:00
parent 2df1255117
commit 1a46a3a4b3
4 changed files with 28 additions and 76 deletions
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5
ChangeLog
View file

@ -1,3 +1,8 @@
2013-11-09 Vladimir Serbinenko <phcoder@gmail.com>
* grub-core/loader/i386/multiboot_mbi.c: Handle space in command line.
* grub-core/loader/multiboot_mbi2.c: Likewise.
2013-11-09 Vladimir Serbinenko <phcoder@gmail.com>
* grub-core/lib/cmdline.c (grub_loader_cmdline_size): Fix empty cmdline

2
grub-core/Makefile.core.def
View file

@ -1576,6 +1576,7 @@ module = {
cppflags = "-DGRUB_USE_MULTIBOOT2";
common = loader/multiboot.c;
common = lib/cmdline.c;
common = loader/multiboot_mbi2.c;
enable = x86;
enable = mips;
@ -1584,6 +1585,7 @@ module = {
module = {
name = multiboot;
common = loader/multiboot.c;
common = lib/cmdline.c;
x86 = loader/i386/multiboot_mbi.c;
extra_dist = loader/multiboot_elfxx.c;
enable = x86;

51
grub-core/loader/i386/multiboot_mbi.c
View file

@ -35,6 +35,7 @@
#include <grub/file.h>
#include <grub/net.h>
#include <grub/i18n.h>
#include <grub/lib/cmdline.h>
#ifdef GRUB_MACHINE_EFI
#include <grub/efi/efi.h>
@ -641,31 +642,18 @@ grub_err_t
grub_multiboot_init_mbi (int argc, char *argv[])
{
grub_ssize_t len = 0;
char *p;
int i;
grub_multiboot_free_mbi ();
for (i = 0; i < argc; i++)
len += grub_strlen (argv[i]) + 1;
if (len == 0)
len = 1;
len = grub_loader_cmdline_size (argc, argv);
cmdline = p = grub_malloc (len);
cmdline = grub_malloc (len);
if (! cmdline)
return grub_errno;
cmdline_size = len;
for (i = 0; i < argc; i++)
{
p = grub_stpcpy (p, argv[i]);
*(p++) = ' ';
}
/* Remove the space after the last word. */
if (p != cmdline)
p--;
*p = '\0';
grub_create_loader_cmdline (argc, argv, cmdline,
cmdline_size);
return GRUB_ERR_NONE;
}
@ -675,9 +663,7 @@ grub_multiboot_add_module (grub_addr_t start, grub_size_t size,
int argc, char *argv[])
{
struct module *newmod;
char *p;
grub_ssize_t len = 0;
int i;
grub_size_t len = 0;
newmod = grub_malloc (sizeof (*newmod));
if (!newmod)
@ -686,13 +672,9 @@ grub_multiboot_add_module (grub_addr_t start, grub_size_t size,
newmod->size = size;
newmod->next = 0;
for (i = 0; i < argc; i++)
len += grub_strlen (argv[i]) + 1;
len = grub_loader_cmdline_size (argc, argv);
if (len == 0)
len = 1;
newmod->cmdline = p = grub_malloc (len);
newmod->cmdline = grub_malloc (len);
if (! newmod->cmdline)
{
grub_free (newmod);
@ -701,24 +683,13 @@ grub_multiboot_add_module (grub_addr_t start, grub_size_t size,
newmod->cmdline_size = len;
total_modcmd += ALIGN_UP (len, 4);
for (i = 0; i < argc; i++)
{
p = grub_stpcpy (p, argv[i]);
*(p++) = ' ';
}
/* Remove the space after the last word. */
if (p != newmod->cmdline)
p--;
*p = '\0';
grub_create_loader_cmdline (argc, argv, newmod->cmdline,
newmod->cmdline_size);
if (modules_last)
modules_last->next = newmod;
else
{
modules = newmod;
modules_last->next = NULL;
}
modules = newmod;
modules_last = newmod;
modcnt++;

46
grub-core/loader/multiboot_mbi2.c
View file

@ -35,6 +35,7 @@
#include <grub/acpi.h>
#include <grub/i18n.h>
#include <grub/net.h>
#include <grub/lib/cmdline.h>
#if defined (GRUB_MACHINE_EFI)
#include <grub/efi/efi.h>
@ -905,31 +906,18 @@ grub_err_t
grub_multiboot_init_mbi (int argc, char *argv[])
{
grub_ssize_t len = 0;
char *p;
int i;
grub_multiboot_free_mbi ();
for (i = 0; i < argc; i++)
len += grub_strlen (argv[i]) + 1;
if (len == 0)
len = 1;
len = grub_loader_cmdline_size (argc, argv);
cmdline = p = grub_malloc (len);
cmdline = grub_malloc (len);
if (! cmdline)
return grub_errno;
cmdline_size = len;
for (i = 0; i < argc; i++)
{
p = grub_stpcpy (p, argv[i]);
*(p++) = ' ';
}
/* Remove the space after the last word. */
if (p != cmdline)
p--;
*p = '\0';
grub_create_loader_cmdline (argc, argv, cmdline,
cmdline_size);
return GRUB_ERR_NONE;
}
@ -939,9 +927,7 @@ grub_multiboot_add_module (grub_addr_t start, grub_size_t size,
int argc, char *argv[])
{
struct module *newmod;
char *p;
grub_ssize_t len = 0;
int i;
grub_size_t len = 0;
newmod = grub_malloc (sizeof (*newmod));
if (!newmod)
@ -949,13 +935,9 @@ grub_multiboot_add_module (grub_addr_t start, grub_size_t size,
newmod->start = start;
newmod->size = size;
for (i = 0; i < argc; i++)
len += grub_strlen (argv[i]) + 1;
len = grub_loader_cmdline_size (argc, argv);
if (len == 0)
len = 1;
newmod->cmdline = p = grub_malloc (len);
newmod->cmdline = grub_malloc (len);
if (! newmod->cmdline)
{
grub_free (newmod);
@ -964,16 +946,8 @@ grub_multiboot_add_module (grub_addr_t start, grub_size_t size,
newmod->cmdline_size = len;
total_modcmd += ALIGN_UP (len, MULTIBOOT_TAG_ALIGN);
for (i = 0; i < argc; i++)
{
p = grub_stpcpy (p, argv[i]);
*(p++) = ' ';
}
/* Remove the space after the last word. */
if (p != newmod->cmdline)
p--;
*p = '\0';
grub_create_loader_cmdline (argc, argv, newmod->cmdline,
newmod->cmdline_size);
if (modules_last)
modules_last->next = newmod;