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15a207211f
I don't really need to watch 150+ patches from upstream get applied. Signed-off-by: Peter Jones <pjones@redhat.com>
32 lines
1.3 KiB
Diff
32 lines
1.3 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Mark Salter <msalter@redhat.com>
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Date: Tue, 7 Mar 2017 18:26:17 -0500
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Subject: [PATCH] Fix malformed tftp packets
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0088-Normalize-slashes-in-tftp-paths.patch collapses multiple contiguous
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slashes in a filename into one slash in the tftp packet filename field.
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However, the packet buffer pointer is advanced using the original name.
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This leaves unitialized data between the name field and the type field
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leading to tftp errors. Use the length of the normalized name to avoid
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this.
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Signed-off-by: Mark Salter <msalter@redhat.com>
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---
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grub-core/net/tftp.c | 4 ++--
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1 file changed, 2 insertions(+), 2 deletions(-)
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diff --git a/grub-core/net/tftp.c b/grub-core/net/tftp.c
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index 5ca0a96a6f6..dcd82494309 100644
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--- a/grub-core/net/tftp.c
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+++ b/grub-core/net/tftp.c
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@@ -360,8 +360,8 @@ tftp_open (struct grub_file *file, const char *filename)
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/* Copy and normalize the filename to work-around issues on some tftp
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servers when file names are being matched for remapping. */
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grub_normalize_filename (rrq, filename);
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- rrqlen += grub_strlen (filename) + 1;
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- rrq += grub_strlen (filename) + 1;
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+ rrqlen += grub_strlen (rrq) + 1;
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+ rrq += grub_strlen (rrq) + 1;
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grub_strcpy (rrq, "octet");
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rrqlen += grub_strlen ("octet") + 1;
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