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socket-util: re-implement socket_address_parse_netlink() by using extract_first_word()

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This drops support of trailing white space when a multicast group is
specified.

Fixes one of issues in #11738.
This commit is contained in:
Yu Watanabe
2019-02-21 11:30:49 +01:00
committed by Lennart Poettering
parent 09ba1fcc57
commit 528a74a1ad
2 changed files with 36 additions and 12 deletions
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src/test/test-socket-util.c
+21 -6
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@@ -164,20 +164,35 @@ static void test_socket_address_parse_netlink(void) {
assert_se(socket_address_parse_netlink(&a, "junk") < 0);
assert_se(socket_address_parse_netlink(&a, "") < 0);
assert_se(socket_address_parse_netlink(&a, "route") >= 0);
assert_se(a.sockaddr.nl.nl_family == AF_NETLINK);
assert_se(a.sockaddr.nl.nl_groups == 0);
assert_se(a.protocol == NETLINK_ROUTE);
assert_se(socket_address_parse_netlink(&a, "route") >= 0);
assert_se(socket_address_parse_netlink(&a, "route 10") >= 0);
assert_se(a.sockaddr.sa.sa_family == AF_NETLINK);
assert_se(a.sockaddr.nl.nl_family == AF_NETLINK);
assert_se(a.sockaddr.nl.nl_groups == 10);
assert_se(a.protocol == NETLINK_ROUTE);
/* With spaces and tabs */
assert_se(socket_address_parse_netlink(&a, " kobject-uevent ") >= 0);
assert_se(socket_address_parse_netlink(&a, " \t kobject-uevent \t 10 \t") >= 0);
assert_se(a.sockaddr.sa.sa_family == AF_NETLINK);
assert_se(a.sockaddr.nl.nl_family == AF_NETLINK);
assert_se(a.sockaddr.nl.nl_groups == 0);
assert_se(a.protocol == NETLINK_KOBJECT_UEVENT);
assert_se(socket_address_parse_netlink(&a, " \t kobject-uevent \t 10") >= 0);
assert_se(a.sockaddr.nl.nl_family == AF_NETLINK);
assert_se(a.sockaddr.nl.nl_groups == 10);
assert_se(a.protocol == NETLINK_KOBJECT_UEVENT);
assert_se(socket_address_parse_netlink(&a, "kobject-uevent\t10") >= 0);
assert_se(a.sockaddr.nl.nl_family == AF_NETLINK);
assert_se(a.sockaddr.nl.nl_groups == 10);
assert_se(a.protocol == NETLINK_KOBJECT_UEVENT);
assert_se(socket_address_parse_netlink(&a, "kobject-uevent\t10") >= 0);
assert_se(a.sockaddr.sa.sa_family == AF_NETLINK);
assert_se(a.protocol == NETLINK_KOBJECT_UEVENT);
/* trailing space is not supported */
assert_se(socket_address_parse_netlink(&a, "kobject-uevent\t10 ") < 0);
/* Group must be unsigned */
assert_se(socket_address_parse_netlink(&a, "kobject-uevent -1") < 0);
/* oss-fuzz #6884 */
assert_se(socket_address_parse_netlink(&a, "\xff") < 0);