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systemd/SOURCES/0713-network-make-Name-in-Match-support-alternative-names.patch

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import systemd-239-58.el8
2022-03-29 19:05:02 +00:00
From 0c178bf442aebcd2b42f10a0e4d2382a15505bb6 Mon Sep 17 00:00:00 2001
From: Yu Watanabe <watanabe.yu+github@gmail.com>
Date: Sun, 15 Dec 2019 22:46:19 +0900
Subject: [PATCH] network: make Name= in [Match] support alternative names of
interfaces
(cherry picked from commit 572b21d96cabd5860b0670e98440b6cb99a4b749
src/network bits have been left out.)
Related: #2005008
---
man/systemd.network.xml | 7 +++----
src/libsystemd-network/network-internal.c | 20 ++++++++++++++++++--
src/libsystemd-network/network-internal.h | 3 ++-
src/network/netdev/netdev.c | 2 +-
src/network/networkd-network.c | 2 +-
src/udev/net/link-config.c | 3 ++-
6 files changed, 27 insertions(+), 10 deletions(-)
diff --git a/man/systemd.network.xml b/man/systemd.network.xml
index fc8e0aea68..8300540096 100644
--- a/man/systemd.network.xml
+++ b/man/systemd.network.xml
@@ -133,10 +133,9 @@
<varlistentry>
<term><varname>Name=</varname></term>
<listitem>
- <para>A whitespace-separated list of shell-style globs
- matching the device name, as exposed by the udev property
- <literal>INTERFACE</literal>. If the list is prefixed
- with a "!", the test is inverted.</para>
+ <para>A whitespace-separated list of shell-style globs matching the device name, as exposed
+ by the udev property <literal>INTERFACE</literal>, or device's alternative names. If the
+ list is prefixed with a "!", the test is inverted.</para>
</listitem>
</varlistentry>
<varlistentry>
diff --git a/src/libsystemd-network/network-internal.c b/src/libsystemd-network/network-internal.c
index 629e858def..a935709cd0 100644
--- a/src/libsystemd-network/network-internal.c
+++ b/src/libsystemd-network/network-internal.c
@@ -92,6 +92,18 @@ static bool net_condition_test_strv(char * const *raw_patterns,
return string && strv_fnmatch(raw_patterns, string, 0);
}
+static bool net_condition_test_ifname(char * const *patterns, const char *ifname, char * const *alternative_names) {
+ if (net_condition_test_strv(patterns, ifname))
+ return true;
+
+ char * const *p;
+ STRV_FOREACH(p, alternative_names)
+ if (net_condition_test_strv(patterns, *p))
+ return true;
+
+ return false;
+}
+
bool net_match_config(Set *match_mac,
char * const *match_paths,
char * const *match_drivers,
@@ -107,7 +119,8 @@ bool net_match_config(Set *match_mac,
const char *dev_parent_driver,
const char *dev_driver,
const char *dev_type,
- const char *dev_name) {
+ const char *dev_name,
+ char * const *alternative_names) {
if (match_host && condition_test(match_host) <= 0)
return false;
@@ -124,6 +137,9 @@ bool net_match_config(Set *match_mac,
if (match_arch && condition_test(match_arch) <= 0)
return false;
+ if (!net_condition_test_ifname(match_names, dev_name, alternative_names))
+ return false;
+
if (match_mac && dev_mac && !set_contains(match_mac, dev_mac))
return false;
@@ -214,7 +230,7 @@ int config_parse_match_ifnames(
if (r == 0)
break;
- if (!ifname_valid(word)) {
+ if (!ifname_valid_full(word, ltype)) {
log_syntax(unit, LOG_ERR, filename, line, 0, "Interface name is not valid or too long, ignoring assignment: %s", rvalue);
return 0;
}
diff --git a/src/libsystemd-network/network-internal.h b/src/libsystemd-network/network-internal.h
index 9074758bbb..e1d098f3fe 100644
--- a/src/libsystemd-network/network-internal.h
+++ b/src/libsystemd-network/network-internal.h
@@ -29,7 +29,8 @@ bool net_match_config(Set *match_mac,
const char *dev_parent_driver,
const char *dev_driver,
const char *dev_type,
- const char *dev_name);
+ const char *dev_name,
+ char * const *alternative_names);
CONFIG_PARSER_PROTOTYPE(config_parse_net_condition);
CONFIG_PARSER_PROTOTYPE(config_parse_hwaddr);
diff --git a/src/network/netdev/netdev.c b/src/network/netdev/netdev.c
index 82ce88402f..e97cc07028 100644
--- a/src/network/netdev/netdev.c
+++ b/src/network/netdev/netdev.c
@@ -640,7 +640,7 @@ static int netdev_load_one(Manager *manager, const char *filename) {
netdev_raw->match_host, netdev_raw->match_virt,
netdev_raw->match_kernel_cmdline, netdev_raw->match_kernel_version,
netdev_raw->match_arch,
- NULL, NULL, NULL, NULL, NULL, NULL) <= 0)
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL) <= 0)
return 0;
if (netdev_raw->kind == _NETDEV_KIND_INVALID) {
diff --git a/src/network/networkd-network.c b/src/network/networkd-network.c
index 429aac5e6c..7637d135a4 100644
--- a/src/network/networkd-network.c
+++ b/src/network/networkd-network.c
@@ -479,7 +479,7 @@ int network_get(Manager *manager, struct udev_device *device,
network->match_virt, network->match_kernel_cmdline,
network->match_kernel_version, network->match_arch,
address, path, parent_driver, driver,
- devtype, ifname)) {
+ devtype, ifname, NULL)) {
if (network->match_name && device) {
const char *attr;
uint8_t name_assign_type = NET_NAME_UNKNOWN;
diff --git a/src/udev/net/link-config.c b/src/udev/net/link-config.c
index d07a1a1874..e5052f8f29 100644
--- a/src/udev/net/link-config.c
+++ b/src/udev/net/link-config.c
@@ -238,7 +238,8 @@ int link_config_get(link_config_ctx *ctx, struct udev_device *device,
udev_device_get_driver(udev_device_get_parent(device)),
udev_device_get_property_value(device, "ID_NET_DRIVER"),
udev_device_get_devtype(device),
- udev_device_get_sysname(device))) {
+ udev_device_get_sysname(device),
+ NULL)) {
if (link->match_name) {
unsigned char name_assign_type = NET_NAME_UNKNOWN;
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