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grub2/0058-add-grub_env_set_net_property-function.patch

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From 533058df7c164a4d3498dfaa626923904597f162 Mon Sep 17 00:00:00 2001
From: Paulo Flabiano Smorigo <pfsmorigo@br.ibm.com>
Date: Tue, 4 Feb 2014 18:41:38 -0200
Subject: [PATCH 058/140] add grub_env_set_net_property function
* grub-core/net/bootp.c: Remove set_env_limn_ro.
* grub-core/net/net.c: Add grub_env_set_net_property.
* include/grub/net.h: Likewise.
---
ChangeLog | 8 +++++++
grub-core/net/bootp.c | 63 +++++++++++++--------------------------------------
grub-core/net/net.c | 38 +++++++++++++++++++++++++++++++
include/grub/net.h | 4 ++++
4 files changed, 66 insertions(+), 47 deletions(-)
diff --git a/ChangeLog b/ChangeLog
index f4a4721..63f5aa3 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2014-02-04 Paulo Flabiano Smorigo <pfsmorigo@br.ibm.com>
+
+ Add grub_env_set_net_property function.
+
+ * grub-core/net/bootp.c: Remove set_env_limn_ro.
+ * grub-core/net/net.c: Add grub_env_set_net_property.
+ * include/grub/net.h: Likewise.
+
2014-02-03 Vladimir Serbinenko <phcoder@gmail.com>
* util/grub-mkrescue.c: Build fix for argp.h with older gcc.
diff --git a/grub-core/net/bootp.c b/grub-core/net/bootp.c
index c14e9de..6310ed4 100644
--- a/grub-core/net/bootp.c
+++ b/grub-core/net/bootp.c
@@ -25,41 +25,6 @@
#include <grub/net/udp.h>
#include <grub/datetime.h>
-static char *
-grub_env_write_readonly (struct grub_env_var *var __attribute__ ((unused)),
- const char *val __attribute__ ((unused)))
-{
- return NULL;
-}
-
-static void
-set_env_limn_ro (const char *intername, const char *suffix,
- const char *value, grub_size_t len)
-{
- char *varname, *varvalue;
- char *ptr;
- varname = grub_xasprintf ("net_%s_%s", intername, suffix);
- if (!varname)
- return;
- for (ptr = varname; *ptr; ptr++)
- if (*ptr == ':')
- *ptr = '_';
- varvalue = grub_malloc (len + 1);
- if (!varvalue)
- {
- grub_free (varname);
- return;
- }
-
- grub_memcpy (varvalue, value, len);
- varvalue[len] = 0;
- grub_env_set (varname, varvalue);
- grub_register_variable_hook (varname, 0, grub_env_write_readonly);
- grub_env_export (varname);
- grub_free (varname);
- grub_free (varvalue);
-}
-
static void
parse_dhcp_vendor (const char *name, const void *vend, int limit, int *mask)
{
@@ -136,20 +101,24 @@ parse_dhcp_vendor (const char *name, const void *vend, int limit, int *mask)
}
continue;
case GRUB_NET_BOOTP_HOSTNAME:
- set_env_limn_ro (name, "hostname", (const char *) ptr, taglength);
- break;
+ grub_env_set_net_property (name, "hostname", (const char *) ptr,
+ taglength);
+ break;
case GRUB_NET_BOOTP_DOMAIN:
- set_env_limn_ro (name, "domain", (const char *) ptr, taglength);
- break;
+ grub_env_set_net_property (name, "domain", (const char *) ptr,
+ taglength);
+ break;
case GRUB_NET_BOOTP_ROOT_PATH:
- set_env_limn_ro (name, "rootpath", (const char *) ptr, taglength);
- break;
+ grub_env_set_net_property (name, "rootpath", (const char *) ptr,
+ taglength);
+ break;
case GRUB_NET_BOOTP_EXTENSIONS_PATH:
- set_env_limn_ro (name, "extensionspath", (const char *) ptr, taglength);
- break;
+ grub_env_set_net_property (name, "extensionspath", (const char *) ptr,
+ taglength);
+ break;
/* If you need any other options please contact GRUB
development team. */
@@ -211,8 +180,8 @@ grub_net_configure_by_dhcp_ack (const char *name,
}
if (size > OFFSET_OF (boot_file, bp))
- set_env_limn_ro (name, "boot_file", (char *) bp->boot_file,
- sizeof (bp->boot_file));
+ grub_env_set_net_property (name, "boot_file", bp->boot_file,
+ sizeof (bp->boot_file));
if (is_def)
grub_net_default_server = 0;
if (is_def && !grub_net_default_server && bp->server_ip)
@@ -243,8 +212,8 @@ grub_net_configure_by_dhcp_ack (const char *name,
if (size > OFFSET_OF (server_name, bp)
&& bp->server_name[0])
{
- set_env_limn_ro (name, "dhcp_server_name", (char *) bp->server_name,
- sizeof (bp->server_name));
+ grub_env_set_net_property (name, "dhcp_server_name", bp->server_name,
+ sizeof (bp->server_name));
if (is_def && !grub_net_default_server)
{
grub_net_default_server = grub_strdup (bp->server_name);
diff --git a/grub-core/net/net.c b/grub-core/net/net.c
index 1521d8d..f2e723b 100644
--- a/grub-core/net/net.c
+++ b/grub-core/net/net.c
@@ -1480,6 +1480,44 @@ receive_packets (struct grub_net_card *card, int *stop_condition)
grub_print_error ();
}
+static char *
+grub_env_write_readonly (struct grub_env_var *var __attribute__ ((unused)),
+ const char *val __attribute__ ((unused)))
+{
+ return NULL;
+}
+
+grub_err_t
+grub_env_set_net_property (const char *intername, const char *suffix,
+ const char *value, grub_size_t len)
+{
+ char *varname, *varvalue;
+ char *ptr;
+
+ varname = grub_xasprintf ("net_%s_%s", intername, suffix);
+ if (!varname)
+ return grub_errno;
+ for (ptr = varname; *ptr; ptr++)
+ if (*ptr == ':')
+ *ptr = '_';
+ varvalue = grub_malloc (len + 1);
+ if (!varvalue)
+ {
+ grub_free (varname);
+ return grub_errno;
+ }
+
+ grub_memcpy (varvalue, value, len);
+ varvalue[len] = 0;
+ grub_err_t ret = grub_env_set (varname, varvalue);
+ grub_register_variable_hook (varname, 0, grub_env_write_readonly);
+ grub_env_export (varname);
+ grub_free (varname);
+ grub_free (varvalue);
+
+ return ret;
+}
+
void
grub_net_poll_cards (unsigned time, int *stop_condition)
{
diff --git a/include/grub/net.h b/include/grub/net.h
index 0e0a605..538baa3 100644
--- a/include/grub/net.h
+++ b/include/grub/net.h
@@ -480,6 +480,10 @@ grub_net_addr_to_str (const grub_net_network_level_address_t *target,
void
grub_net_hwaddr_to_str (const grub_net_link_level_address_t *addr, char *str);
+grub_err_t
+grub_env_set_net_property (const char *intername, const char *suffix,
+ const char *value, grub_size_t len);
+
void
grub_net_poll_cards (unsigned time, int *stop_condition);
--
1.9.3
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