mirror of
https://src.fedoraproject.org/rpms/grub2.git
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114 lines
4 KiB
Diff
114 lines
4 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Javier Martinez Canillas <javierm@redhat.com>
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Date: Thu, 5 Mar 2020 16:21:58 +0100
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Subject: [PATCH] efi/http: Enclose literal IPv6 addresses in square brackets
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According to RFC 2732 (https://www.ietf.org/rfc/rfc2732.txt), literal IPv6
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addresses must be enclosed in square brackets. But GRUB currently does not
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do this and is causing HTTP servers to send Bad Request (400) responses.
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For example, the following is the HTTP stream when fetching a config file:
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HEAD /EFI/BOOT/grub.cfg HTTP/1.1
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Host: 2000:dead:beef:a::1
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Accept: */*
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User-Agent: UefiHttpBoot/1.0
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HTTP/1.1 400 Bad Request
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Date: Thu, 05 Mar 2020 14:46:02 GMT
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Server: Apache/2.4.41 (Fedora) OpenSSL/1.1.1d
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Connection: close
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Content-Type: text/html; charset=iso-8859-1
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and after enclosing the IPv6 address the HTTP request is successful:
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HEAD /EFI/BOOT/grub.cfg HTTP/1.1
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Host: [2000:dead:beef:a::1]
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Accept: */*
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User-Agent: UefiHttpBoot/1.0
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HTTP/1.1 200 OK
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Date: Thu, 05 Mar 2020 14:48:04 GMT
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Server: Apache/2.4.41 (Fedora) OpenSSL/1.1.1d
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Last-Modified: Thu, 27 Feb 2020 17:45:58 GMT
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ETag: "206-59f924b24b1da"
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Accept-Ranges: bytes
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Content-Length: 518
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Resolves: rhbz#1732765
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Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
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---
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grub-core/net/efi/http.c | 37 ++++++++++++++++++++++++++++---------
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1 file changed, 28 insertions(+), 9 deletions(-)
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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 755b7a6d05..fc8cb25ae0 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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@@ -158,13 +158,7 @@ efihttp_request (grub_efi_http_t *http, char *server, char *name, int use_https,
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grub_efi_status_t status;
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grub_efi_boot_services_t *b = grub_efi_system_table->boot_services;
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char *url = NULL;
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-
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- request_headers[0].field_name = (grub_efi_char8_t *)"Host";
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- request_headers[0].field_value = (grub_efi_char8_t *)server;
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- request_headers[1].field_name = (grub_efi_char8_t *)"Accept";
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- request_headers[1].field_value = (grub_efi_char8_t *)"*/*";
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- request_headers[2].field_name = (grub_efi_char8_t *)"User-Agent";
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- request_headers[2].field_value = (grub_efi_char8_t *)"UefiHttpBoot/1.0";
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+ char *hostname = NULL;
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{
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grub_efi_ipv6_address_t address;
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@@ -174,9 +168,24 @@ efihttp_request (grub_efi_http_t *http, char *server, char *name, int use_https,
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const char *protocol = (use_https == 1) ? "https" : "http";
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if (grub_efi_string_to_ip6_address (server, &address, &rest) && *rest == 0)
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- url = grub_xasprintf ("%s://[%s]%s", protocol, server, name);
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+ {
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+ hostname = grub_xasprintf ("[%s]", server);
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+ if (!hostname)
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+ return GRUB_ERR_OUT_OF_MEMORY;
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+
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+ server = hostname;
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+
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+ url = grub_xasprintf ("%s://%s%s", protocol, server, name);
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+ if (!url)
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+ {
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+ grub_free (hostname);
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+ return GRUB_ERR_OUT_OF_MEMORY;
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+ }
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+ }
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else
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- url = grub_xasprintf ("%s://%s%s", protocol, server, name);
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+ {
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+ url = grub_xasprintf ("%s://%s%s", protocol, server, name);
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+ }
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if (!url)
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{
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@@ -199,6 +208,13 @@ efihttp_request (grub_efi_http_t *http, char *server, char *name, int use_https,
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request_data.url = ucs2_url;
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}
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+ request_headers[0].field_name = (grub_efi_char8_t *)"Host";
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+ request_headers[0].field_value = (grub_efi_char8_t *)server;
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+ request_headers[1].field_name = (grub_efi_char8_t *)"Accept";
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+ request_headers[1].field_value = (grub_efi_char8_t *)"*/*";
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+ request_headers[2].field_name = (grub_efi_char8_t *)"User-Agent";
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+ request_headers[2].field_value = (grub_efi_char8_t *)"UefiHttpBoot/1.0";
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+
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request_data.method = (headeronly > 0) ? GRUB_EFI_HTTPMETHODHEAD : GRUB_EFI_HTTPMETHODGET;
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request_message.data.request = &request_data;
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@@ -228,6 +244,9 @@ efihttp_request (grub_efi_http_t *http, char *server, char *name, int use_https,
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status = efi_call_2 (http->request, http, &request_token);
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+ if (hostname)
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+ grub_free (hostname);
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+
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if (status != GRUB_EFI_SUCCESS)
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{
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efi_call_1 (b->close_event, request_token.event);
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