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e1531466e1
This change updates grub to the 2.04 release. The new release changed how grub is built, so the bootstrap and bootstrap.conf files have to be added to the dist-git. Also, the gitignore file changed so it has to be updated. Since the patches have been forward ported to 2.04, there's no need for a logic to maintain a patch with the delta between the release and the grub master branch. So the release-to-master.patch is dropped and no longer is updated by the do-rebase script. Also since gnulib isn't part of the grub repository anymore and cloned by the boostrap tool, a gnulib tarball is included as other source file and copied before calling the bootstrap tool. That way grub can be built even in builders that only have access to the sources lookaside cache. Resolves: rhbz#1727279 Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
140 lines
4 KiB
Diff
140 lines
4 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Paulo Flabiano Smorigo <pfsmorigo@br.ibm.com>
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Date: Mon, 8 Jul 2019 14:10:58 +0200
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Subject: [PATCH] DHCP client ID and UUID options added.
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---
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grub-core/net/bootp.c | 85 ++++++++++++++++++++++++++++++++++++++++++++++-----
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include/grub/net.h | 2 ++
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2 files changed, 79 insertions(+), 8 deletions(-)
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diff --git a/grub-core/net/bootp.c b/grub-core/net/bootp.c
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index 04cfbb04504..0e6e41a1699 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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@@ -95,6 +95,49 @@ enum
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/* Max timeout when waiting for BOOTP/DHCP reply */
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#define GRUB_DHCP_MAX_PACKET_TIMEOUT 32
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+static char *
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+grub_env_write_readonly (struct grub_env_var *var __attribute__ ((unused)),
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+ const char *val __attribute__ ((unused)))
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+{
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+ return NULL;
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+}
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+
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+static void
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+set_env_limn_ro (const char *intername, const char *suffix,
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+ const char *value, grub_size_t len)
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+{
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+ char *varname, *varvalue;
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+ char *ptr;
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+ varname = grub_xasprintf ("net_%s_%s", intername, suffix);
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+ if (!varname)
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+ return;
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+ for (ptr = varname; *ptr; ptr++)
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+ if (*ptr == ':')
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+ *ptr = '_';
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+ varvalue = grub_malloc (len + 1);
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+ if (!varvalue)
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+ {
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+ grub_free (varname);
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+ return;
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+ }
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+
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+ grub_memcpy (varvalue, value, len);
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+ varvalue[len] = 0;
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+ grub_env_set (varname, varvalue);
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+ grub_register_variable_hook (varname, 0, grub_env_write_readonly);
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+ grub_env_export (varname);
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+ grub_free (varname);
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+ grub_free (varvalue);
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+}
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+
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+static char
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+hexdigit (grub_uint8_t val)
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+{
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+ if (val < 10)
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+ return val + '0';
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+ return val + 'a' - 10;
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+}
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+
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static const void *
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find_dhcp_option (const struct grub_net_bootp_packet *bp, grub_size_t size,
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grub_uint8_t opt_code, grub_uint8_t *opt_len)
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@@ -152,6 +195,9 @@ again:
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if (i + taglength >= size)
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return NULL;
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+ grub_dprintf("net", "DHCP option %u (0x%02x) found with length %u.\n",
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+ tagtype, tagtype, taglength);
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+
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/* FIXME RFC 3396 options concatentation */
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if (tagtype == opt_code)
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{
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@@ -354,6 +400,37 @@ grub_net_configure_by_dhcp_ack (const char *name,
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}
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grub_net_add_ipv4_local (inter, mask);
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+ opt = find_dhcp_option (bp, size, GRUB_NET_BOOTP_CLIENT_ID, &opt_len);
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+ if (opt)
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+ {
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+ set_env_limn_ro (name, "clientid", (char *) opt, opt_len);
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+ }
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+
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+ opt = find_dhcp_option (bp, size, GRUB_NET_BOOTP_CLIENT_UUID, &opt_len);
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+ if (opt && opt_len == 17)
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+ {
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+ /* The format is 9cfe245e-d0c8-bd45-a79f-54ea5fbd3d97 */
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+
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+ opt += 1;
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+ opt_len -= 1;
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+
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+ char *val = grub_malloc (2 * opt_len + 4 + 1);
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+ int i = 0;
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+ int j = 0;
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+ for (i = 0; i < opt_len; i++)
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+ {
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+ val[2 * i + j] = hexdigit (opt[i] >> 4);
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+ val[2 * i + 1 + j] = hexdigit (opt[i] & 0xf);
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+
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+ if ((i == 3) || (i == 5) || (i == 7) || (i == 9))
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+ {
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+ j++;
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+ val[2 * i + 1+ j] = '-';
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+ }
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+ }
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+ set_env_limn_ro (name, "clientuuid", (char *) val, 2 * opt_len + 4);
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+ }
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+
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/* We do not implement dead gateway detection and the first entry SHOULD
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be preferred one */
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opt = find_dhcp_option (bp, size, GRUB_NET_BOOTP_ROUTER, &opt_len);
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@@ -631,14 +708,6 @@ grub_net_process_dhcp (struct grub_net_buff *nb,
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}
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}
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-static char
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-hexdigit (grub_uint8_t val)
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-{
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- if (val < 10)
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- return val + '0';
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- return val + 'a' - 10;
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-}
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-
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static grub_err_t
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grub_cmd_dhcpopt (struct grub_command *cmd __attribute__ ((unused)),
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int argc, char **args)
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diff --git a/include/grub/net.h b/include/grub/net.h
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index 4a9069a1474..556c54e579f 100644
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--- a/include/grub/net.h
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+++ b/include/grub/net.h
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@@ -462,6 +462,8 @@ 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_CLIENT_ID = 0x3d,
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+ GRUB_NET_BOOTP_CLIENT_UUID = 0x61,
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GRUB_NET_DHCP_REQUESTED_IP_ADDRESS = 50,
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GRUB_NET_DHCP_OVERLOAD = 52,
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GRUB_NET_DHCP_MESSAGE_TYPE = 53,
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