On 29/08/2022 19:03, Konstantin Meskhidze wrote:
Adds two selftests for connect() action with AF_UNSPEC family flag. The one is with no landlock restrictions allows to disconnect already connected socket with connect(..., AF_UNSPEC, ...): - connect_afunspec_no_restictions;
Typo: "restrictions" (everywhere)
The second one refuses landlocked process to disconnect already connected socket: - connect_afunspec_with_restictions; Signed-off-by: Konstantin Meskhidze <konstantin.meskhidze@xxxxxxxxxx> --- Changes since v6: * None. Changes since v5: * Formats code with clang-format-14. Changes since v4: * Refactors code with self->port, self->addr4 variables. * Adds bind() hook check for with AF_UNSPEC family. Changes since v3: * Adds connect_afunspec_no_restictions test. * Adds connect_afunspec_with_restictions test. --- tools/testing/selftests/landlock/net_test.c | 113 ++++++++++++++++++++ 1 file changed, 113 insertions(+) diff --git a/tools/testing/selftests/landlock/net_test.c b/tools/testing/selftests/landlock/net_test.c index 9c3d1e425439..40aef7c683af 100644 --- a/tools/testing/selftests/landlock/net_test.c +++ b/tools/testing/selftests/landlock/net_test.c @@ -351,4 +351,117 @@ TEST_F(socket, connect_with_restrictions) ASSERT_EQ(1, WIFEXITED(status)); ASSERT_EQ(EXIT_SUCCESS, WEXITSTATUS(status)); } + +TEST_F(socket, connect_afunspec_no_restictions) +{ + int sockfd; + pid_t child; + int status; + + /* Creates a server socket 1. */ + sockfd = create_socket_variant(variant, SOCK_STREAM); + ASSERT_LE(0, sockfd); + + /* Binds the socket 1 to address with port[0]. */ + ASSERT_EQ(0, bind_variant(variant, sockfd, self, 0)); + + /* Makes connection to the socket with port[0]. */ + ASSERT_EQ(0, connect_variant(variant, sockfd, self, 0)); + + child = fork(); + ASSERT_LE(0, child); + if (child == 0) { + struct sockaddr addr_unspec = { .sa_family = AF_UNSPEC };
You can constify several variable like this one (in all tests).