46968b6e63
Resolves: CVE-2020-14372 Resolves: CVE-2020-25632 Resolves: CVE-2020-25647 Resolves: CVE-2020-27749 Resolves: CVE-2020-27779 Resolves: CVE-2021-20225 Resolves: CVE-2021-20233 Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
51 lines
1.6 KiB
Diff
51 lines
1.6 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Peter Jones <pjones@redhat.com>
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Date: Mon, 30 Jul 2018 16:39:57 -0400
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Subject: [PATCH] efi/http: Make root_url reflect the protocol+hostname of our
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boot url.
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This lets you write config files that don't know urls.
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Signed-off-by: Peter Jones <pjones@redhat.com>
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---
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grub-core/net/efi/http.c | 19 +++++++++++++++++++
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1 file changed, 19 insertions(+)
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diff --git a/grub-core/net/efi/http.c b/grub-core/net/efi/http.c
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index 3f61fd2fa5b..243acbaa35b 100644
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--- a/grub-core/net/efi/http.c
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+++ b/grub-core/net/efi/http.c
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@@ -4,6 +4,7 @@
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#include <grub/misc.h>
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#include <grub/net/efi.h>
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#include <grub/charset.h>
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+#include <grub/env.h>
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static void
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http_configure (struct grub_efi_net_device *dev, int prefer_ip6)
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@@ -351,6 +352,24 @@ grub_efihttp_open (struct grub_efi_net_device *dev,
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grub_err_t err;
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grub_off_t size;
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char *buf;
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+ char *root_url;
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+ grub_efi_ipv6_address_t address;
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+ const char *rest;
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+
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+ if (grub_efi_string_to_ip6_address (file->device->net->server, &address, &rest) && *rest == 0)
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+ root_url = grub_xasprintf ("%s://[%s]", type ? "https" : "http", file->device->net->server);
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+ else
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+ root_url = grub_xasprintf ("%s://%s", type ? "https" : "http", file->device->net->server);
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+ if (root_url)
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+ {
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+ grub_env_unset ("root_url");
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+ grub_env_set ("root_url", root_url);
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+ grub_free (root_url);
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+ }
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+ else
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+ {
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+ return grub_errno;
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+ }
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err = efihttp_request (dev->http, file->device->net->server, file->device->net->name, type, 1, 0);
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if (err != GRUB_ERR_NONE)
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