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afb0baacd6
The BLS config filenames are guaranteed to be unique, so they can be used as GRUB2 entry id and can also be used to sort the menu entries. Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
58 lines
1.7 KiB
Diff
58 lines
1.7 KiB
Diff
From 406402dfaecc62ede346793c9c7a0568dc71c131 Mon Sep 17 00:00:00 2001
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From: Lenny Szubowicz <lszubowi@redhat.com>
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Date: Mon, 29 Aug 2016 11:04:48 -0400
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Subject: [PATCH 146/250] Normalize slashes in tftp paths.
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Some tftp servers do not handle multiple consecutive slashes correctly;
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this patch avoids sending tftp requests with non-normalized paths.
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Signed-off-by: Peter Jones <pjones@redhat.com>
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---
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grub-core/net/tftp.c | 24 +++++++++++++++++++++++-
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1 file changed, 23 insertions(+), 1 deletion(-)
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diff --git a/grub-core/net/tftp.c b/grub-core/net/tftp.c
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index 1157524fc50..5ca0a96a6f6 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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@@ -300,6 +300,25 @@ destroy_pq (tftp_data_t data)
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grub_priority_queue_destroy (data->pq);
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}
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+/* Create a normalized copy of the filename.
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+ Compress any string of consecutive forward slashes to a single forward
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+ slash. */
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+static void
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+grub_normalize_filename (char *normalized, const char *filename)
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+{
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+ char *dest = normalized;
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+ char *src = filename;
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+
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+ while (*src != '\0')
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+ {
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+ if (src[0] == '/' && src[1] == '/')
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+ src++;
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+ else
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+ *dest++ = *src++;
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+ }
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+ *dest = '\0';
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+}
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+
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static grub_err_t
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tftp_open (struct grub_file *file, const char *filename)
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{
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@@ -337,7 +356,10 @@ tftp_open (struct grub_file *file, const char *filename)
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rrqlen = 0;
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tftph->opcode = grub_cpu_to_be16_compile_time (TFTP_RRQ);
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- grub_strcpy (rrq, filename);
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+
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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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--
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2.17.1
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