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NetworkManager/SOURCES/1018-initrd-accept-mac-ifaces-rh1879795.patch

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import NetworkManager-1.26.0-13.el8_3
2021-02-16 07:42:01 +00:00
From c3b47a965a9b073527e7b71f88de4887fc88ecc9 Mon Sep 17 00:00:00 2001
From: Beniamino Galvani <bgalvani@redhat.com>
Date: Tue, 22 Sep 2020 17:54:18 +0200
Subject: [PATCH 1/2] initrd: accept mac address as interface specifier
The interface can be specified either by name or MAC address:
ip=192.0.2.2:::::eth0
ip=192.0.2.2:::::00-11-22-33-44-55
https://bugzilla.redhat.com/show_bug.cgi?id=1879795
(cherry picked from commit f22364429135f55094fb89879f1fa7bad066727f)
(cherry picked from commit eeef91aa6e8d3eb1510563c413dda19b578a8a6a)
---
src/initrd/nmi-cmdline-reader.c | 85 ++++++++++++++++++--------
src/initrd/tests/test-cmdline-reader.c | 68 +++++++++++++++++++++
2 files changed, 128 insertions(+), 25 deletions(-)
diff --git a/src/initrd/nmi-cmdline-reader.c b/src/initrd/nmi-cmdline-reader.c
index ba747b30ad..8196e9fb78 100644
--- a/src/initrd/nmi-cmdline-reader.c
+++ b/src/initrd/nmi-cmdline-reader.c
@@ -78,6 +78,7 @@ reader_create_connection (Reader *reader,
const char *basename,
const char *id,
const char *ifname,
+ const char *mac,
const char *type_name,
NMConnectionMultiConnect multi_connect)
{
@@ -120,6 +121,14 @@ reader_create_connection (Reader *reader,
NM_SETTING_CONNECTION_MULTI_CONNECT, multi_connect,
NULL);
+ if (mac) {
+ setting = nm_setting_wired_new ();
+ nm_connection_add_setting (connection, setting);
+ g_object_set (setting,
+ NM_SETTING_WIRED_MAC_ADDRESS, mac,
+ NULL);
+ }
+
return connection;
}
@@ -133,6 +142,7 @@ reader_get_default_connection (Reader *reader)
"default_connection",
"Wired Connection",
NULL,
+ NULL,
NM_SETTING_WIRED_SETTING_NAME,
NM_CONNECTION_MULTI_CONNECT_MULTIPLE);
nm_connection_add_setting (con, nm_setting_wired_new ());
@@ -143,14 +153,26 @@ reader_get_default_connection (Reader *reader)
static NMConnection *
reader_get_connection (Reader *reader,
- const char *ifname,
+ const char *iface_spec,
const char *type_name,
gboolean create_if_missing)
{
NMConnection *connection = NULL;
NMSetting *setting;
+ const char *ifname = NULL;
+ gs_free char *mac = NULL;
+
+ if (iface_spec) {
+ if (nm_utils_is_valid_iface_name (iface_spec, NULL))
+ ifname = iface_spec;
+ else {
+ mac = nm_utils_hwaddr_canonical (iface_spec, ETH_ALEN);
+ if (!mac)
+ _LOGW (LOGD_CORE, "invalid interface '%s'", iface_spec);
+ }
+ }
- if (!ifname) {
+ if (!ifname && !mac) {
NMConnection *candidate;
NMSettingConnection *s_con;
guint i;
@@ -178,7 +200,7 @@ reader_get_connection (Reader *reader,
}
}
} else
- connection = g_hash_table_lookup (reader->hash, (gpointer) ifname);
+ connection = g_hash_table_lookup (reader->hash, (gpointer) ifname ?: mac);
if (!connection) {
if (!create_if_missing)
@@ -187,9 +209,9 @@ reader_get_connection (Reader *reader,
if (!type_name)
type_name = NM_SETTING_WIRED_SETTING_NAME;
- connection = reader_create_connection (reader, ifname,
- ifname ?: "Wired Connection",
- ifname, type_name,
+ connection = reader_create_connection (reader, ifname ?: mac,
+ ifname ?: (mac ?: "Wired Connection"),
+ ifname, mac, type_name,
NM_CONNECTION_MULTI_CONNECT_SINGLE);
}
setting = (NMSetting *) nm_connection_get_setting_connection (connection);
@@ -331,7 +353,7 @@ reader_parse_ip (Reader *reader, const char *sysfs_dir, char *argument)
const char *gateway_ip = NULL;
const char *netmask = NULL;
const char *client_hostname = NULL;
- const char *ifname = NULL;
+ const char *iface_spec = NULL;
const char *mtu = NULL;
const char *macaddr = NULL;
int client_ip_family = AF_UNSPEC;
@@ -357,9 +379,9 @@ reader_parse_ip (Reader *reader, const char *sysfs_dir, char *argument)
gateway_ip = get_word (&argument, ':');
netmask = get_word (&argument, ':');
client_hostname = get_word (&argument, ':');
- ifname = get_word (&argument, ':');
+ iface_spec = get_word (&argument, ':');
} else {
- ifname = tmp;
+ iface_spec = tmp;
}
if (client_hostname && !nm_sd_hostname_is_valid (client_hostname, FALSE))
@@ -388,15 +410,15 @@ reader_parse_ip (Reader *reader, const char *sysfs_dir, char *argument)
}
}
- if ( ifname == NULL
+ if ( iface_spec == NULL
&& NM_IN_STRSET (kind, "fw", "ibft")) {
reader_read_all_connections_from_fw (reader, sysfs_dir);
return;
}
/* Parsing done, construct the NMConnection. */
- if (ifname)
- connection = reader_get_connection (reader, ifname, NULL, TRUE);
+ if (iface_spec)
+ connection = reader_get_connection (reader, iface_spec, NULL, TRUE);
else
connection = reader_get_default_connection (reader);
@@ -498,22 +520,36 @@ reader_parse_ip (Reader *reader, const char *sysfs_dir, char *argument)
NULL);
}
} else if (nm_streq0 (kind, "ibft")) {
- gs_free char *address_path = g_build_filename (sysfs_dir, "class", "net", ifname, "address", NULL);
- gs_free char *mac, *mac_up = NULL;
+ NMSettingWired *s_wired;
+ const char *mac = NULL;
+ const char *ifname;
+ gs_free char *mac_free = NULL;
+ gs_free char *address_path = NULL;
GHashTable *nic = NULL;
- if (!g_file_get_contents (address_path, &mac, NULL, &error)) {
- _LOGW (LOGD_CORE, "Can't get a MAC address for %s: %s", ifname, error->message);
- g_clear_error (&error);
+ if ( (s_wired = nm_connection_get_setting_wired (connection))
+ && (mac = nm_setting_wired_get_mac_address (s_wired))) {
+ /* got mac from the connection */
+ } else if ((ifname = nm_connection_get_interface_name (connection))) {
+ /* read it from sysfs */
+ address_path = g_build_filename (sysfs_dir, "class", "net", ifname, "address", NULL);
+ if (g_file_get_contents (address_path, &mac_free, NULL, &error)) {
+ g_strchomp (mac_free);
+ mac = mac_free;
+ } else {
+ _LOGW (LOGD_CORE, "Can't get a MAC address for %s: %s", ifname, error->message);
+ g_clear_error (&error);
+ }
}
if (mac) {
- g_strchomp (mac);
+ gs_free char *mac_up = NULL;
+
mac_up = g_ascii_strup (mac, -1);
ibft = nmi_ibft_read (sysfs_dir);
nic = g_hash_table_lookup (ibft, mac_up);
if (!nic)
- _LOGW (LOGD_CORE, "No iBFT NIC for %s (%s)", ifname, mac_up);
+ _LOGW (LOGD_CORE, "No iBFT NIC for %s (%s)", iface_spec, mac_up);
}
if (nic) {
@@ -1018,15 +1054,14 @@ nmi_cmdline_reader_parse (const char *sysfs_dir, const char *const*argv, char **
"bootif_connection",
"BOOTIF Connection",
NULL,
+ bootif,
NM_SETTING_WIRED_SETTING_NAME,
NM_CONNECTION_MULTI_CONNECT_SINGLE);
- s_wired = (NMSettingWired *) nm_setting_wired_new ();
- nm_connection_add_setting (connection, (NMSetting *) s_wired);
+ } else {
+ g_object_set (s_wired,
+ NM_SETTING_WIRED_MAC_ADDRESS, bootif,
+ NULL);
}
-
- g_object_set (s_wired,
- NM_SETTING_WIRED_MAC_ADDRESS, bootif,
- NULL);
}
if (bootdev) {
diff --git a/src/initrd/tests/test-cmdline-reader.c b/src/initrd/tests/test-cmdline-reader.c
index a11b76e015..4a2f33fc02 100644
--- a/src/initrd/tests/test-cmdline-reader.c
+++ b/src/initrd/tests/test-cmdline-reader.c
@@ -293,6 +293,49 @@ test_if_ip6_manual (void)
g_assert_cmpstr (nm_setting_ip_config_get_dhcp_hostname (s_ip6), ==, "hostname0.example.com");
}
+static void
+test_if_mac_ifname (void)
+{
+ gs_unref_hashtable GHashTable *connections = NULL;
+ const char *const*ARGV = NM_MAKE_STRV ("ip=[2001:0db8::42]/64::[2001:0db8::01]::"
+ "hostname0:00-11-22-33-44-55::[2001:0db8::53]");
+ NMConnection *connection;
+ NMSettingIPConfig *s_ip6;
+ NMSettingWired *s_wired;
+ NMIPAddress *ip_addr;
+ gs_free char *hostname = NULL;
+
+ connections = nmi_cmdline_reader_parse (TEST_INITRD_DIR "/sysfs", ARGV, &hostname);
+ g_assert (connections);
+ g_assert_cmpint (g_hash_table_size (connections), ==, 1);
+ g_assert_cmpstr (hostname, ==, "hostname0");
+
+ connection = g_hash_table_lookup (connections, "00:11:22:33:44:55");
+ g_assert (connection);
+ nmtst_assert_connection_verifies_without_normalization (connection);
+ g_assert_cmpstr (nm_connection_get_id (connection), ==, "00:11:22:33:44:55");
+ g_assert_cmpstr (nm_connection_get_interface_name (connection), ==, NULL);
+
+ s_wired = nm_connection_get_setting_wired (connection);
+ g_assert (s_wired);
+ g_assert_cmpstr (nm_setting_wired_get_mac_address(s_wired), ==, "00:11:22:33:44:55");
+
+ s_ip6 = nm_connection_get_setting_ip6_config (connection);
+ g_assert (s_ip6);
+ g_assert_cmpstr (nm_setting_ip_config_get_method (s_ip6), ==, NM_SETTING_IP6_CONFIG_METHOD_MANUAL);
+ g_assert (!nm_setting_ip_config_get_ignore_auto_dns (s_ip6));
+ g_assert_cmpint (nm_setting_ip_config_get_num_dns (s_ip6), ==, 1);
+ g_assert_cmpstr (nm_setting_ip_config_get_dns (s_ip6, 0), ==, "2001:db8::53");
+ g_assert_cmpint (nm_setting_ip_config_get_num_routes (s_ip6), ==, 0);
+ g_assert_cmpint (nm_setting_ip_config_get_num_addresses (s_ip6), ==, 1);
+ ip_addr = nm_setting_ip_config_get_address (s_ip6, 0);
+ g_assert (ip_addr);
+ g_assert_cmpstr (nm_ip_address_get_address (ip_addr), ==, "2001:db8::42");
+ g_assert_cmpint (nm_ip_address_get_prefix (ip_addr), ==, 64);
+ g_assert_cmpstr (nm_setting_ip_config_get_gateway (s_ip6), ==, "2001:db8::1");
+ g_assert_cmpstr (nm_setting_ip_config_get_dhcp_hostname (s_ip6), ==, "hostname0");
+}
+
static void
test_multiple_merge (void)
{
@@ -1042,6 +1085,29 @@ test_ibft_ip_dev (void)
g_assert_cmpstr (nm_setting_connection_get_interface_name (s_con), ==, NULL);
}
+static void
+test_ibft_ip_dev_mac (void)
+{
+ const char *const*ARGV = NM_MAKE_STRV ("ip=00-53-06-66-ab-01:ibft");
+ gs_unref_hashtable GHashTable *connections = NULL;
+ NMSettingConnection *s_con;
+ NMConnection *connection;
+ gs_free char *hostname = NULL;
+
+ connections = nmi_cmdline_reader_parse (TEST_INITRD_DIR "/sysfs", ARGV, &hostname);
+ g_assert (connections);
+ g_assert_cmpint (g_hash_table_size (connections), ==, 1);
+ g_assert_cmpstr (hostname, ==, NULL);
+
+ connection = g_hash_table_lookup (connections, "00:53:06:66:AB:01");
+ g_assert (connection);
+
+ s_con = nm_connection_get_setting_connection (connection);
+ g_assert (s_con);
+ g_assert_cmpstr (nm_setting_connection_get_connection_type (s_con), ==, NM_SETTING_WIRED_SETTING_NAME);
+ g_assert_cmpstr (nm_setting_connection_get_interface_name (s_con), ==, NULL);
+}
+
static void
_test_ibft_ip (const char *const*ARGV)
{
@@ -1545,6 +1611,7 @@ int main (int argc, char **argv)
g_test_add_func ("/initrd/cmdline/if_auto_with_mtu_and_mac", test_if_auto_with_mtu_and_mac);
g_test_add_func ("/initrd/cmdline/if_ip4_manual", test_if_ip4_manual);
g_test_add_func ("/initrd/cmdline/if_ip6_manual", test_if_ip6_manual);
+ g_test_add_func ("/initrd/cmdline/if_mac_ifname", test_if_mac_ifname);
g_test_add_func ("/initrd/cmdline/multiple/merge", test_multiple_merge);
g_test_add_func ("/initrd/cmdline/multiple/bootdev", test_multiple_bootdev);
g_test_add_func ("/initrd/cmdline/nameserver", test_nameserver);
@@ -1558,6 +1625,7 @@ int main (int argc, char **argv)
g_test_add_func ("/initrd/cmdline/bridge/default", test_bridge_default);
g_test_add_func ("/initrd/cmdline/bridge/ip", test_bridge_ip);
g_test_add_func ("/initrd/cmdline/ibft/ip_dev", test_ibft_ip_dev);
+ g_test_add_func ("/initrd/cmdline/ibft/ip_dev_mac", test_ibft_ip_dev_mac);
g_test_add_func ("/initrd/cmdline/ibft/ip", test_ibft_ip);
g_test_add_func ("/initrd/cmdline/ibft/rd_iscsi_ibft", test_ibft_rd_iscsi_ibft);
g_test_add_func ("/initrd/cmdline/ignore_extra", test_ignore_extra);
--
2.26.2
From a65c364d2cfe7a36f5207f652ec77bb42b532f88 Mon Sep 17 00:00:00 2001
From: Beniamino Galvani <bgalvani@redhat.com>
Date: Wed, 23 Sep 2020 10:58:03 +0200
Subject: [PATCH 2/2] initrd: fix parsing IPv6 prefix length
The generator didn't accept prefix lengths > 32 for IPv6:
$ src/initrd/nm-initrd-generator --stdout -- ip=[fd01::1]:::40::ens0
<warn> [1600851580.7875] cmdline-reader: Invalid IP mask: 40
https://bugzilla.redhat.com/show_bug.cgi?id=1879795
(cherry picked from commit 364c7c278a19959c6e880329533937dbcf7b19a4)
(cherry picked from commit 09804cac6ef2016cfa70d3e63c7d73f2dfc3cf91)
---
src/initrd/nmi-cmdline-reader.c | 5 +++--
src/initrd/tests/test-cmdline-reader.c | 3 ++-
2 files changed, 5 insertions(+), 3 deletions(-)
diff --git a/src/initrd/nmi-cmdline-reader.c b/src/initrd/nmi-cmdline-reader.c
index 8196e9fb78..ee3dab2574 100644
--- a/src/initrd/nmi-cmdline-reader.c
+++ b/src/initrd/nmi-cmdline-reader.c
@@ -426,12 +426,13 @@ reader_parse_ip (Reader *reader, const char *sysfs_dir, char *argument)
s_ip6 = nm_connection_get_setting_ip6_config (connection);
if (netmask && *netmask) {
+ gboolean is_ipv4 = client_ip_family == AF_INET;
NMIPAddr addr;
- if (nm_utils_parse_inaddr_bin (AF_INET, netmask, NULL, &addr))
+ if (is_ipv4 && nm_utils_parse_inaddr_bin (AF_INET, netmask, NULL, &addr))
client_ip_prefix = nm_utils_ip4_netmask_to_prefix (addr.addr4);
else
- client_ip_prefix = _nm_utils_ascii_str_to_int64 (netmask, 10, 0, 32, -1);
+ client_ip_prefix = _nm_utils_ascii_str_to_int64 (netmask, 10, 0, is_ipv4 ? 32 : 128, -1);
if (client_ip_prefix == -1)
_LOGW (LOGD_CORE, "Invalid IP mask: %s", netmask);
diff --git a/src/initrd/tests/test-cmdline-reader.c b/src/initrd/tests/test-cmdline-reader.c
index 4a2f33fc02..d67f599337 100644
--- a/src/initrd/tests/test-cmdline-reader.c
+++ b/src/initrd/tests/test-cmdline-reader.c
@@ -341,7 +341,7 @@ test_multiple_merge (void)
{
gs_unref_hashtable GHashTable *connections = NULL;
const char *const*ARGV = NM_MAKE_STRV ("ip=192.0.2.2:::::eth0",
- "ip=[2001:db8::2]:::::eth0");
+ "ip=[2001:db8::2]:::56::eth0");
NMConnection *connection;
NMSettingConnection *s_con;
NMSettingWired *s_wired;
@@ -384,6 +384,7 @@ test_multiple_merge (void)
ip_addr = nm_setting_ip_config_get_address (s_ip6, 0);
g_assert (ip_addr);
g_assert_cmpstr (nm_ip_address_get_address (ip_addr), ==, "2001:db8::2");
+ g_assert_cmpint (nm_ip_address_get_prefix (ip_addr), ==, 56);
}
static void
--
2.26.2
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