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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Peter Jones <pjones@redhat.com>
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Date: Thu, 6 Mar 2014 11:51:33 -0500
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Subject: [PATCH] Try mac/guid/etc before grub.cfg on tftp config files.
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Signed-off-by: Peter Jones <pjones@redhat.com>
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---
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grub-core/normal/main.c | 80 ++++++++++++++++++++++++++-----------------------
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1 file changed, 43 insertions(+), 37 deletions(-)
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diff --git a/grub-core/normal/main.c b/grub-core/normal/main.c
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index a3713efcd..7d9c4f09b 100644
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--- a/grub-core/normal/main.c
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+++ b/grub-core/normal/main.c
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@@ -341,53 +341,59 @@ grub_cmd_normal (struct grub_command *cmd __attribute__ ((unused)),
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/* Guess the config filename. It is necessary to make CONFIG static,
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so that it won't get broken by longjmp. */
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char *config;
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- const char *prefix, *fw_path;
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-
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- prefix = fw_path = grub_env_get ("fw_path");
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- if (fw_path)
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- {
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- config = grub_xasprintf ("%s/grub.cfg", fw_path);
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- if (config)
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- {
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- grub_file_t file;
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-
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- file = grub_file_open (config);
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- if (file)
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- {
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- grub_file_close (file);
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- grub_enter_normal_mode (config);
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- }
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- else
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- {
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- /* Ignore all errors. */
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- grub_errno = 0;
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- }
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- grub_free (config);
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- }
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- }
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+ const char *prefix;
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+ prefix = grub_env_get ("fw_path");
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if (! prefix)
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prefix = grub_env_get ("prefix");
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+
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if (prefix)
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- {
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- grub_size_t config_len;
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- config_len = grub_strlen (prefix) +
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- sizeof ("/grub.cfg-XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX");
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- config = grub_malloc (config_len);
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+ {
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+ if (grub_strncmp (prefix + 1, "tftp", sizeof ("tftp") - 1) == 0)
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+ {
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+ grub_size_t config_len;
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+ config_len = grub_strlen (prefix) +
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+ sizeof ("/grub.cfg-XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX");
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+ config = grub_malloc (config_len);
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- if (! config)
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- goto quit;
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+ if (! config)
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+ goto quit;
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- grub_snprintf (config, config_len, "%s/grub.cfg", prefix);
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+ grub_snprintf (config, config_len, "%s/grub.cfg", prefix);
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- if (grub_strncmp (prefix + 1, "tftp", sizeof ("tftp") - 1) == 0)
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- grub_net_search_configfile (config);
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+ grub_net_search_configfile (config);
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- grub_enter_normal_mode (config);
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- grub_free (config);
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+ grub_enter_normal_mode (config);
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+ grub_free (config);
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+ config = NULL;
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+ }
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+
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+ if (!config)
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+ {
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+ config = grub_xasprintf ("%s/grub.cfg", prefix);
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+ if (config)
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+ {
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+ grub_file_t file;
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+
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+ file = grub_file_open (config);
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+ if (file)
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+ {
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+ grub_file_close (file);
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+ grub_enter_normal_mode (config);
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+ }
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+ else
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+ {
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+ /* Ignore all errors. */
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+ grub_errno = 0;
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+ }
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+ grub_free (config);
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+ }
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+ }
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}
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else
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- grub_enter_normal_mode (0);
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+ {
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+ grub_enter_normal_mode (0);
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+ }
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}
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else
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grub_enter_normal_mode (argv[0]);
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