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63f1a982b9
Fixups to work with gcc 8 Experimental https boot support on UEFI XFS fixes for sparse inode support Resolves: rhbz#1575797 Signed-off-by: Peter Jones <pjones@redhat.com>
130 lines
4.2 KiB
Diff
130 lines
4.2 KiB
Diff
From 7b6d6e50bea268456d55806cb21d49cbc01c10d1 Mon Sep 17 00:00:00 2001
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From: Michael Chang <mchang@suse.com>
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Date: Thu, 14 Jul 2016 18:45:14 +0800
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Subject: [PATCH 243/250] bootp: Add processing DHCPACK packet from HTTP Boot
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The vendor class identifier with the string "HTTPClient" is used to denote the
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packet as responding to HTTP boot request. In DHCP4 config, the filename for
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HTTP boot is the URL of the boot file while for PXE boot it is the path to the
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boot file. As a consequence, the next-server becomes obseleted because the HTTP
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URL already contains the server address for the boot file. For DHCP6 config,
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there's no difference definition in existing config as dhcp6.bootfile-url can
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be used to specify URL for both HTTP and PXE boot file.
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This patch adds processing for "HTTPClient" vendor class identifier in DHCPACK
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packet by treating it as HTTP format, not as the PXE format.
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Signed-off-by: Michael Chang <mchang@suse.com>
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Signed-off-by: Ken Lin <ken.lin@hpe.com>
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---
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grub-core/net/bootp.c | 67 +++++++++++++++++++++++++++++++++++++++++++++++++--
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include/grub/net.h | 1 +
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2 files changed, 66 insertions(+), 2 deletions(-)
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diff --git a/grub-core/net/bootp.c b/grub-core/net/bootp.c
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index 6995f986744..902e5a60154 100644
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--- a/grub-core/net/bootp.c
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+++ b/grub-core/net/bootp.c
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@@ -254,6 +254,11 @@ parse_dhcp_vendor (const char *name, const void *vend, int limit, int *mask)
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taglength);
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break;
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+ case GRUB_NET_BOOTP_VENDOR_CLASS_IDENTIFIER:
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+ grub_env_set_net_property (name, "vendor_class_identifier", (const char *) ptr,
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+ taglength);
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+ break;
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+
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case GRUB_NET_BOOTP_EXTENSIONS_PATH:
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grub_env_set_net_property (name, "extensionspath", (const char *) ptr,
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taglength);
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@@ -362,6 +367,66 @@ grub_net_configure_by_dhcp_ack (const char *name,
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}
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#endif
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+ if (size > OFFSET_OF (vendor, bp))
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+ {
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+ char *cidvar;
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+ const char *cid;
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+
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+ parse_dhcp_vendor (name, &bp->vendor, size - OFFSET_OF (vendor, bp), &mask);
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+ cidvar = grub_xasprintf ("net_%s_%s", name, "vendor_class_identifier");
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+ cid = grub_env_get (cidvar);
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+ grub_free (cidvar);
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+
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+ if (cid && grub_strcmp (cid, "HTTPClient") == 0)
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+ {
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+ char *proto, *ip, *pa;
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+
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+ if (!dissect_url (bp->boot_file, &proto, &ip, &pa))
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+ return inter;
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+
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+ grub_env_set_net_property (name, "boot_file", pa, grub_strlen (pa));
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+ if (is_def)
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+ {
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+ grub_net_default_server = grub_strdup (ip);
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+ grub_env_set ("net_default_interface", name);
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+ grub_env_export ("net_default_interface");
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+ }
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+ if (device && !*device)
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+ {
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+ *device = grub_xasprintf ("%s,%s", proto, ip);
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+ grub_print_error ();
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+ }
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+ if (path)
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+ {
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+ *path = grub_strdup (pa);
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+ grub_print_error ();
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+ if (*path)
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+ {
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+ char *slash;
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+ slash = grub_strrchr (*path, '/');
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+ if (slash)
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+ *slash = 0;
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+ else
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+ **path = 0;
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+ }
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+ }
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+ grub_net_add_ipv4_local (inter, mask);
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+ inter->dhcp_ack = grub_malloc (size);
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+ if (inter->dhcp_ack)
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+ {
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+ grub_memcpy (inter->dhcp_ack, bp, size);
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+ inter->dhcp_acklen = size;
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+ }
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+ else
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+ grub_errno = GRUB_ERR_NONE;
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+
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+ grub_free (proto);
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+ grub_free (ip);
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+ grub_free (pa);
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+ return inter;
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+ }
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+ }
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+
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if (size > OFFSET_OF (boot_file, bp))
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grub_env_set_net_property (name, "boot_file", bp->boot_file,
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sizeof (bp->boot_file));
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@@ -426,8 +491,6 @@ grub_net_configure_by_dhcp_ack (const char *name,
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**path = 0;
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}
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}
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- if (size > OFFSET_OF (vendor, bp))
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- parse_dhcp_vendor (name, &bp->vendor, size - OFFSET_OF (vendor, bp), &mask);
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grub_net_add_ipv4_local (inter, mask);
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inter->dhcp_ack = grub_malloc (size);
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diff --git a/include/grub/net.h b/include/grub/net.h
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index 373ad1080cf..1c7c3ecb6ab 100644
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--- a/include/grub/net.h
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+++ b/include/grub/net.h
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@@ -519,6 +519,7 @@ enum
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GRUB_NET_BOOTP_DOMAIN = 0x0f,
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GRUB_NET_BOOTP_ROOT_PATH = 0x11,
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GRUB_NET_BOOTP_EXTENSIONS_PATH = 0x12,
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+ GRUB_NET_BOOTP_VENDOR_CLASS_IDENTIFIER = 0x3C,
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GRUB_NET_BOOTP_CLIENT_ID = 0x3d,
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GRUB_NET_BOOTP_CLIENT_UUID = 0x61,
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GRUB_NET_BOOTP_END = 0xff
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--
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2.14.3
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