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grub2/0002-net-read-bracketed-ipv6-addrs-and-port-numbers.patch
Michael Chang a3bdb368a2 Accepting request 904721 from home:michael-chang:grub:2.06 
- Version bump to 2.06
  * rediff
    - 0001-add-support-for-UEFI-network-protocols.patch
    - 0002-net-read-bracketed-ipv6-addrs-and-port-numbers.patch
    - 0003-Make-grub_error-more-verbose.patch
    - 0003-bootp-New-net_bootp6-command.patch
    - 0005-grub.texi-Add-net_bootp6-doument.patch
    - 0006-bootp-Add-processing-DHCPACK-packet-from-HTTP-Boot.patch
    - 0006-efi-Set-image-base-address-before-jumping-to-the-PE-.patch
    - 0008-efinet-Setting-DNS-server-from-UEFI-protocol.patch
    - 0046-squash-verifiers-Move-verifiers-API-to-kernel-image.patch
    - grub-install-force-journal-draining-to-ensure-data-i.patch
    - grub2-btrfs-01-add-ability-to-boot-from-subvolumes.patch
    - grub2-diskfilter-support-pv-without-metadatacopies.patch
    - grub2-efi-HP-workaround.patch
    - grub2-efi-xen-cfg-unquote.patch
    - grub2-efi-xen-chainload.patch
    - grub2-fix-menu-in-xen-host-server.patch
    - grub2-gfxmenu-support-scrolling-menu-entry-s-text.patch
    - grub2-install-remove-useless-check-PReP-partition-is-empty.patch
    - grub2-lvm-allocate-metadata-buffer-from-raw-contents.patch
    - grub2-mkconfig-default-entry-correction.patch
    - grub2-pass-corret-root-for-nfsroot.patch
    - grub2-s390x-03-output-7-bit-ascii.patch
    - grub2-s390x-04-grub2-install.patch
    - grub2-secureboot-install-signed-grub.patch
    - grub2-setup-try-fs-embed-if-mbr-gap-too-small.patch
    - use-grub2-as-a-package-name.patch
  * update by patch squashed:
    - 0001-Add-support-for-Linux-EFI-stub-loading-on-aarch64.patch

OBS-URL: https://build.opensuse.org/request/show/904721
OBS-URL: https://build.opensuse.org/package/show/Base:System/grub2?expand=0&rev=386
2021-07-08 09:03:14 +00:00

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From 4a00be0176a459fa6e199f2709eabbe8dc0d7979 Mon Sep 17 00:00:00 2001
From: Michael Chang <mchang@suse.com>
Date: Fri, 29 Jul 2016 17:41:38 +0800
Subject: [PATCH 2/8] net: read bracketed ipv6 addrs and port numbers
From: Aaron Miller <aaronmiller@fb.com>
Allow specifying port numbers for http and tftp paths, and allow ipv6 addresses
to be recognized with brackets around them, which is required to specify a port
number
---
grub-core/net/http.c | 21 ++++++++++---
grub-core/net/net.c | 86 +++++++++++++++++++++++++++++++++++++++++++++++++---
grub-core/net/tftp.c | 6 +++-
include/grub/net.h | 1 +
4 files changed, 104 insertions(+), 10 deletions(-)
Index: grub-2.06~rc1/grub-core/net/http.c
===================================================================
--- grub-2.06~rc1.orig/grub-core/net/http.c
+++ grub-2.06~rc1/grub-core/net/http.c
@@ -312,12 +312,14 @@ http_establish (struct grub_file *file,
int i;
struct grub_net_buff *nb;
grub_err_t err;
+ char* server = file->device->net->server;
+ int port = file->device->net->port;
nb = grub_netbuff_alloc (GRUB_NET_TCP_RESERVE_SIZE
+ sizeof ("GET ") - 1
+ grub_strlen (data->filename)
+ sizeof (" HTTP/1.1\r\nHost: ") - 1
- + grub_strlen (file->device->net->server)
+ + grub_strlen (server) + sizeof (":XXXXXXXXXX")
+ sizeof ("\r\nUser-Agent: " PACKAGE_STRING
"\r\n") - 1
+ sizeof ("Range: bytes=XXXXXXXXXXXXXXXXXXXX"
@@ -356,7 +358,7 @@ http_establish (struct grub_file *file,
sizeof (" HTTP/1.1\r\nHost: ") - 1);
ptr = nb->tail;
- err = grub_netbuff_put (nb, grub_strlen (file->device->net->server));
+ err = grub_netbuff_put (nb, grub_strlen (server));
if (err)
{
grub_netbuff_free (nb);
@@ -365,6 +367,15 @@ http_establish (struct grub_file *file,
grub_memcpy (ptr, file->device->net->server,
grub_strlen (file->device->net->server));
+ if (port)
+ {
+ ptr = nb->tail;
+ grub_snprintf ((char *) ptr,
+ sizeof (":XXXXXXXXXX"),
+ ":%d",
+ port);
+ }
+
ptr = nb->tail;
err = grub_netbuff_put (nb,
sizeof ("\r\nUser-Agent: " PACKAGE_STRING "\r\n")
@@ -390,8 +401,10 @@ http_establish (struct grub_file *file,
grub_netbuff_put (nb, 2);
grub_memcpy (ptr, "\r\n", 2);
- data->sock = grub_net_tcp_open (file->device->net->server,
- HTTP_PORT, http_receive,
+ grub_dprintf ("http", "opening path %s on host %s TCP port %d\n",
+ data->filename, server, port ? port : HTTP_PORT);
+ data->sock = grub_net_tcp_open (server,
+ port ? port : HTTP_PORT, http_receive,
http_err, NULL,
file);
if (!data->sock)
Index: grub-2.06~rc1/grub-core/net/net.c
===================================================================
--- grub-2.06~rc1.orig/grub-core/net/net.c
+++ grub-2.06~rc1/grub-core/net/net.c
@@ -442,6 +442,12 @@ parse_ip6 (const char *val, grub_uint64_
grub_uint16_t newip[8];
const char *ptr = val;
int word, quaddot = -1;
+ int bracketed = 0;
+
+ if (ptr[0] == '[') {
+ bracketed = 1;
+ ptr++;
+ }
if (ptr[0] == ':' && ptr[1] != ':')
return 0;
@@ -480,6 +486,9 @@ parse_ip6 (const char *val, grub_uint64_
grub_memset (&newip[quaddot], 0, (7 - word) * sizeof (newip[0]));
}
grub_memcpy (ip, newip, 16);
+ if (bracketed && *ptr == ']') {
+ ptr++;
+ }
if (rest)
*rest = ptr;
return 1;
@@ -1265,8 +1274,10 @@ grub_net_open_real (const char *name)
{
grub_net_app_level_t proto;
const char *protname, *server;
+ char *host;
grub_size_t protnamelen;
int try;
+ int port = 0;
if (grub_strncmp (name, "pxe:", sizeof ("pxe:") - 1) == 0)
{
@@ -1304,6 +1315,72 @@ grub_net_open_real (const char *name)
return NULL;
}
+ char* port_start;
+ /* ipv6 or port specified? */
+ if ((port_start = grub_strchr (server, ':')))
+ {
+ char* ipv6_begin;
+ if((ipv6_begin = grub_strchr (server, '[')))
+ {
+ char* ipv6_end = grub_strchr (server, ']');
+ if(!ipv6_end)
+ {
+ grub_error (GRUB_ERR_NET_BAD_ADDRESS,
+ N_("mismatched [ in address"));
+ return NULL;
+ }
+ /* port number after bracketed ipv6 addr */
+ if(ipv6_end[1] == ':')
+ {
+ port = grub_strtoul (ipv6_end + 2, NULL, 10);
+ if(port > 65535)
+ {
+ grub_error (GRUB_ERR_NET_BAD_ADDRESS,
+ N_("bad port number"));
+ return NULL;
+ }
+ }
+ host = grub_strndup (ipv6_begin, (ipv6_end - ipv6_begin) + 1);
+ }
+ else
+ {
+ if (grub_strchr (port_start + 1, ':'))
+ {
+ int iplen = grub_strlen (server);
+ /* bracket bare ipv6 addrs */
+ host = grub_malloc (iplen + 3);
+ if(!host)
+ {
+ return NULL;
+ }
+ host[0] = '[';
+ grub_memcpy (host + 1, server, iplen);
+ host[iplen + 1] = ']';
+ host[iplen + 2] = '\0';
+ }
+ else
+ {
+ /* hostname:port or ipv4:port */
+ port = grub_strtol (port_start + 1, NULL, 10);
+ if(port > 65535)
+ {
+ grub_error (GRUB_ERR_NET_BAD_ADDRESS,
+ N_("bad port number"));
+ return NULL;
+ }
+ host = grub_strndup (server, port_start - server);
+ }
+ }
+ }
+ else
+ {
+ host = grub_strdup (server);
+ }
+ if (!host)
+ {
+ return NULL;
+ }
+
for (try = 0; try < 2; try++)
{
FOR_NET_APP_LEVEL (proto)
@@ -1313,14 +1390,13 @@ grub_net_open_real (const char *name)
{
grub_net_t ret = grub_zalloc (sizeof (*ret));
if (!ret)
- return NULL;
- ret->protocol = proto;
- ret->server = grub_strdup (server);
- if (!ret->server)
{
- grub_free (ret);
+ grub_free (host);
return NULL;
}
+ ret->protocol = proto;
+ ret->port = port;
+ ret->server = host;
ret->fs = &grub_net_fs;
return ret;
}
Index: grub-2.06~rc1/grub-core/net/tftp.c
===================================================================
--- grub-2.06~rc1.orig/grub-core/net/tftp.c
+++ grub-2.06~rc1/grub-core/net/tftp.c
@@ -295,6 +295,7 @@ tftp_open (struct grub_file *file, const
grub_err_t err;
grub_uint8_t *nbd;
grub_net_network_level_address_t addr;
+ int port = file->device->net->port;
data = grub_zalloc (sizeof (*data));
if (!data)
@@ -361,12 +362,15 @@ tftp_open (struct grub_file *file, const
err = grub_net_resolve_address (file->device->net->server, &addr);
if (err)
{
+ grub_dprintf ("tftp", "file_size is %llu, block_size is %llu\n",
+ (unsigned long long)data->file_size,
+ (unsigned long long)data->block_size);
grub_free (data);
return err;
}
data->sock = grub_net_udp_open (addr,
- TFTP_SERVER_PORT, tftp_receive,
+ port ? port : TFTP_SERVER_PORT, tftp_receive,
file);
if (!data->sock)
{
Index: grub-2.06~rc1/include/grub/net.h
===================================================================
--- grub-2.06~rc1.orig/include/grub/net.h
+++ grub-2.06~rc1/include/grub/net.h
@@ -270,6 +270,7 @@ typedef struct grub_net
{
char *server;
char *name;
+ int port;
grub_net_app_level_t protocol;
grub_net_packets_t packs;
grub_off_t offset;
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