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Merge pull request #14761 from keszybz/link-network-no-match

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Refuse .network and .link files with no matches
This commit is contained in:
Yu Watanabe 2020-02-04 20:26:37 +09:00 committed by GitHub
commit 91e50467f5
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3 changed files with 20 additions and 12 deletions
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8
src/network/networkd-network.c
View File

@ -164,10 +164,10 @@ int network_verify(Network *network) {
strv_isempty(network->match_path) && strv_isempty(network->match_driver) &&
strv_isempty(network->match_type) && strv_isempty(network->match_name) &&
strv_isempty(network->match_property) && strv_isempty(network->match_ssid) && !network->conditions)
log_warning("%s: No valid settings found in the [Match] section. "
"The file will match all interfaces. "
"If that is intended, please add Name=* in the [Match] section.",
network->filename);
return log_warning_errno(SYNTHETIC_ERRNO(EINVAL),
"%s: No valid settings found in the [Match] section, ignoring file. "
"To match all interfaces, add Name=* in the [Match] section.",
network->filename);
/* skip out early if configuration does not match the environment */
if (!condition_test_list(network->conditions, NULL, NULL, NULL))

15
src/network/test-network.c
View File

@ -122,11 +122,18 @@ static int test_load_config(Manager *manager) {
static void test_network_get(Manager *manager, sd_device *loopback) {
Network *network;
const struct ether_addr mac = ETHER_ADDR_NULL;
int r;
/* let's assume that the test machine does not have a .network file
that applies to the loopback device... */
assert_se(network_get(manager, loopback, "lo", NULL, &mac, &mac, 0, NULL, NULL, &network) == -ENOENT);
assert_se(!network);
/* Let's hope that the test machine does not have a .network file that applies to loopback device…
* But it is still possible, so let's allow that case too. */
r = network_get(manager, loopback, "lo", NULL, &mac, &mac, 0, NULL, NULL, &network);
if (r == -ENOENT)
/* The expected case */
assert_se(!network);
else if (r >= 0)
assert_se(network);
else
assert_not_reached("bad error!");
}
static void test_address_equality(void) {

9
src/udev/net/link-config.c
View File

@ -162,11 +162,12 @@ int link_load_one(link_config_ctx *ctx, const char *filename) {
if (set_isempty(link->match_mac) && set_isempty(link->match_permanent_mac) &&
strv_isempty(link->match_path) && strv_isempty(link->match_driver) && strv_isempty(link->match_type) &&
strv_isempty(link->match_name) && strv_isempty(link->match_property) && !link->conditions)
log_warning("%s: No valid settings found in the [Match] section. "
"The file will match all interfaces. "
"If that is intended, please add OriginalName=* in the [Match] section.",
strv_isempty(link->match_name) && strv_isempty(link->match_property) && !link->conditions) {
log_warning("%s: No valid settings found in the [Match] section, ignoring file. "
"To match all interfaces, add OriginalName=* in the [Match] section.",
filename);
return 0;
}
if (!condition_test_list(link->conditions, NULL, NULL, NULL)) {
log_debug("%s: Conditions do not match the system environment, skipping.", filename);