51 lines
1.3 KiB
Diff
51 lines
1.3 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Jonathan Lebon <jlebon@redhat.com>
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Date: Mon, 14 Aug 2017 14:37:20 -0400
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Subject: [PATCH] editenv: handle relative symlinks
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Handle symlinks with targets relative to the containing dir. This
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ensures that the rename operation does not depend on the cwd.
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Resolves: rhbz#1479960
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Signed-off-by: Jonathan Lebon <jlebon@redhat.com>
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---
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util/editenv.c | 16 ++++++++++++++--
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1 file changed, 14 insertions(+), 2 deletions(-)
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diff --git a/util/editenv.c b/util/editenv.c
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index d8d1dad6a..41bc7cb1c 100644
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--- a/util/editenv.c
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+++ b/util/editenv.c
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@@ -28,6 +28,7 @@
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#include <errno.h>
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#include <string.h>
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+#include <libgen.h>
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#define DEFAULT_ENVBLK_SIZE 1024
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@@ -87,9 +88,20 @@ grub_util_create_envblk_file (const char *name)
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continue;
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}
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- free (rename_target);
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linkbuf[retsize] = '\0';
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- rename_target = linkbuf;
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+ if (linkbuf[0] == '/')
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+ {
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+ free (rename_target);
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+ rename_target = linkbuf;
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+ }
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+ else
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+ {
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+ char *dbuf = xstrdup (rename_target);
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+ const char *dir = dirname (dbuf);
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+ free (rename_target);
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+ rename_target = xasprintf("%s/%s", dir, linkbuf);
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+ free (dbuf);
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+ }
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}
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int rc = grub_util_rename (namenew, rename_target);
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