116 lines
5.1 KiB
Diff
116 lines
5.1 KiB
Diff
From c76d050d8d61b4a63d4407bd03bd3f49cd9915ce Mon Sep 17 00:00:00 2001
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From: Yu Watanabe <watanabe.yu+github@gmail.com>
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Date: Sun, 15 Dec 2019 22:46:19 +0900
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Subject: [PATCH] network: make Name= in [Match] support alternative names of
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interfaces
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(cherry picked from commit 572b21d96cabd5860b0670e98440b6cb99a4b749
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src/network bits have been left out.)
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Related: #1850986
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---
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man/systemd.network.xml | 7 +++----
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src/libsystemd-network/network-internal.c | 20 ++++++++++++++++++--
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src/libsystemd-network/network-internal.h | 3 ++-
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src/udev/net/link-config.c | 3 ++-
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4 files changed, 25 insertions(+), 8 deletions(-)
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diff --git a/man/systemd.network.xml b/man/systemd.network.xml
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index fc8e0aea68..8300540096 100644
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--- a/man/systemd.network.xml
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+++ b/man/systemd.network.xml
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@@ -133,10 +133,9 @@
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<varlistentry>
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<term><varname>Name=</varname></term>
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<listitem>
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- <para>A whitespace-separated list of shell-style globs
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- matching the device name, as exposed by the udev property
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- <literal>INTERFACE</literal>. If the list is prefixed
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- with a "!", the test is inverted.</para>
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+ <para>A whitespace-separated list of shell-style globs matching the device name, as exposed
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+ by the udev property <literal>INTERFACE</literal>, or device's alternative names. If the
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+ list is prefixed with a "!", the test is inverted.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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diff --git a/src/libsystemd-network/network-internal.c b/src/libsystemd-network/network-internal.c
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index 629e858def..a935709cd0 100644
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--- a/src/libsystemd-network/network-internal.c
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+++ b/src/libsystemd-network/network-internal.c
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@@ -92,6 +92,18 @@ static bool net_condition_test_strv(char * const *raw_patterns,
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return string && strv_fnmatch(raw_patterns, string, 0);
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}
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+static bool net_condition_test_ifname(char * const *patterns, const char *ifname, char * const *alternative_names) {
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+ if (net_condition_test_strv(patterns, ifname))
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+ return true;
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+
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+ char * const *p;
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+ STRV_FOREACH(p, alternative_names)
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+ if (net_condition_test_strv(patterns, *p))
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+ return true;
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+
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+ return false;
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+}
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+
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bool net_match_config(Set *match_mac,
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char * const *match_paths,
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char * const *match_drivers,
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@@ -107,7 +119,8 @@ bool net_match_config(Set *match_mac,
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const char *dev_parent_driver,
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const char *dev_driver,
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const char *dev_type,
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- const char *dev_name) {
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+ const char *dev_name,
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+ char * const *alternative_names) {
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if (match_host && condition_test(match_host) <= 0)
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return false;
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@@ -124,6 +137,9 @@ bool net_match_config(Set *match_mac,
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if (match_arch && condition_test(match_arch) <= 0)
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return false;
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+ if (!net_condition_test_ifname(match_names, dev_name, alternative_names))
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+ return false;
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+
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if (match_mac && dev_mac && !set_contains(match_mac, dev_mac))
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return false;
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@@ -214,7 +230,7 @@ int config_parse_match_ifnames(
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if (r == 0)
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break;
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- if (!ifname_valid(word)) {
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+ if (!ifname_valid_full(word, ltype)) {
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log_syntax(unit, LOG_ERR, filename, line, 0, "Interface name is not valid or too long, ignoring assignment: %s", rvalue);
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return 0;
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}
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diff --git a/src/libsystemd-network/network-internal.h b/src/libsystemd-network/network-internal.h
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index 9074758bbb..e1d098f3fe 100644
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--- a/src/libsystemd-network/network-internal.h
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+++ b/src/libsystemd-network/network-internal.h
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@@ -29,7 +29,8 @@ bool net_match_config(Set *match_mac,
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const char *dev_parent_driver,
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const char *dev_driver,
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const char *dev_type,
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- const char *dev_name);
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+ const char *dev_name,
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+ char * const *alternative_names);
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CONFIG_PARSER_PROTOTYPE(config_parse_net_condition);
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CONFIG_PARSER_PROTOTYPE(config_parse_hwaddr);
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diff --git a/src/udev/net/link-config.c b/src/udev/net/link-config.c
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index d07a1a1874..e5052f8f29 100644
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--- a/src/udev/net/link-config.c
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+++ b/src/udev/net/link-config.c
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@@ -238,7 +238,8 @@ int link_config_get(link_config_ctx *ctx, struct udev_device *device,
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udev_device_get_driver(udev_device_get_parent(device)),
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udev_device_get_property_value(device, "ID_NET_DRIVER"),
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udev_device_get_devtype(device),
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- udev_device_get_sysname(device))) {
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+ udev_device_get_sysname(device),
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+ NULL)) {
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if (link->match_name) {
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unsigned char name_assign_type = NET_NAME_UNKNOWN;
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