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From 29c96f00677e1dd2a9df4de645a7f5fab7b736a1 Mon Sep 17 00:00:00 2001
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From: Vladimir Serbinenko <phcoder@gmail.com>
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Date: Sat, 18 Jan 2014 16:41:47 +0100
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Subject: [PATCH 020/143] * grub-core/kern/efi/efi.c: Ensure that the
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result starts with / and has no //.
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---
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ChangeLog | 5 +++++
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grub-core/kern/efi/efi.c | 25 +++++++++++++++++--------
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2 files changed, 22 insertions(+), 8 deletions(-)
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diff --git a/ChangeLog b/ChangeLog
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index 6a19f85..b04a4ef 100644
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--- a/ChangeLog
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+++ b/ChangeLog
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@@ -1,5 +1,10 @@
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2014-01-18 Vladimir Serbinenko <phcoder@gmail.com>
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+ * grub-core/kern/efi/efi.c: Ensure that the result starts with /
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+ and has no //.
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+
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+2014-01-18 Vladimir Serbinenko <phcoder@gmail.com>
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+
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* NEWS: Add few missing entries.
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2014-01-17 Colin Watson <cjwatson@ubuntu.com>
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diff --git a/grub-core/kern/efi/efi.c b/grub-core/kern/efi/efi.c
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index b253141..b9eb1ab 100644
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--- a/grub-core/kern/efi/efi.c
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+++ b/grub-core/kern/efi/efi.c
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@@ -309,7 +309,7 @@ grub_efi_modules_addr (void)
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char *
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grub_efi_get_filename (grub_efi_device_path_t *dp0)
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{
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- char *name = 0, *p;
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+ char *name = 0, *p, *pi;
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grub_size_t filesize = 0;
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grub_efi_device_path_t *dp;
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@@ -328,7 +328,7 @@ grub_efi_get_filename (grub_efi_device_path_t *dp0)
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grub_efi_uint16_t len;
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len = ((GRUB_EFI_DEVICE_PATH_LENGTH (dp) - 4)
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/ sizeof (grub_efi_char16_t));
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- filesize += GRUB_MAX_UTF8_PER_UTF16 * len + 1;
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+ filesize += GRUB_MAX_UTF8_PER_UTF16 * len + 2;
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}
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dp = GRUB_EFI_NEXT_DEVICE_PATH (dp);
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@@ -356,12 +356,12 @@ grub_efi_get_filename (grub_efi_device_path_t *dp0)
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grub_efi_file_path_device_path_t *fp;
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grub_efi_uint16_t len;
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- if (p != name)
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- *p++ = '/';
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+ *p++ = '/';
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len = ((GRUB_EFI_DEVICE_PATH_LENGTH (dp) - 4)
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/ sizeof (grub_efi_char16_t));
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fp = (grub_efi_file_path_device_path_t *) dp;
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+
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p = (char *) grub_utf16_to_utf8 ((unsigned char *) p, fp->path_name, len);
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}
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@@ -370,10 +370,19 @@ grub_efi_get_filename (grub_efi_device_path_t *dp0)
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*p = '\0';
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- /* EFI breaks paths with backslashes. */
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- for (p = name; *p; p++)
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- if (*p == '\\')
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- *p = '/';
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+ for (pi = name, p = name; *pi;)
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+ {
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+ /* EFI breaks paths with backslashes. */
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+ if (*pi == '\\' || *pi == '/')
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+ {
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+ *p++ = '/';
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+ while (*pi == '\\' || *pi == '/')
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+ pi++;
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+ continue;
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+ }
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+ *p++ = *pi++;
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+ }
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+ *p = '\0';
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return name;
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}
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--
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1.9.3
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