1 // SPDX-License-Identifier: GPL-2.0
48 static int flowlabel_get(int fd, uint32_t label, uint8_t share, uint16_t flags)  in flowlabel_get()  argument
61 	return setsockopt(fd, SOL_IPV6, IPV6_FLOWLABEL_MGR, &req, sizeof(req));  in flowlabel_get()
64 static int flowlabel_put(int fd, uint32_t label)  in flowlabel_put()  argument
71 	return setsockopt(fd, SOL_IPV6, IPV6_FLOWLABEL_MGR, &req, sizeof(req));  in flowlabel_put()
74 static void run_tests(int fd)  in run_tests()  argument
79 	explain("cannot get non-existent label");  in run_tests()
80 	expect_fail(flowlabel_get(fd, 1, IPV6_FL_S_ANY, 0));  in run_tests()
82 	explain("cannot put non-existent label");  in run_tests()
83 	expect_fail(flowlabel_put(fd, 1));  in run_tests()
86 	expect_fail(flowlabel_get(fd, 0x1FFFFF, IPV6_FL_S_ANY,  in run_tests()
90 	expect_pass(flowlabel_get(fd, 1, IPV6_FL_S_ANY, IPV6_FL_F_CREATE));  in run_tests()
91 	explain("can get the label (without FL_F_CREATE)");  in run_tests()
92 	expect_pass(flowlabel_get(fd, 1, IPV6_FL_S_ANY, 0));  in run_tests()
93 	explain("can get it again with create flag set, too");  in run_tests()
94 	expect_pass(flowlabel_get(fd, 1, IPV6_FL_S_ANY, IPV6_FL_F_CREATE));  in run_tests()
96 	expect_fail(flowlabel_get(fd, 1, IPV6_FL_S_ANY,  in run_tests()
98 	explain("can now put exactly three references");  in run_tests()
99 	expect_pass(flowlabel_put(fd, 1));  in run_tests()
100 	expect_pass(flowlabel_put(fd, 1));  in run_tests()
101 	expect_pass(flowlabel_put(fd, 1));  in run_tests()
102 	expect_fail(flowlabel_put(fd, 1));  in run_tests()
105 	expect_pass(flowlabel_get(fd, 2, IPV6_FL_S_EXCL, IPV6_FL_F_CREATE));  in run_tests()
106 	explain("cannot get it again in non-exclusive mode");  in run_tests()
107 	expect_fail(flowlabel_get(fd, 2, IPV6_FL_S_ANY,  IPV6_FL_F_CREATE));  in run_tests()
109 	expect_fail(flowlabel_get(fd, 2, IPV6_FL_S_EXCL, IPV6_FL_F_CREATE));  in run_tests()
110 	expect_pass(flowlabel_put(fd, 2));  in run_tests()
114 		expect_fail(flowlabel_get(fd, 2, IPV6_FL_S_ANY,  in run_tests()
116 		explain("after sleep, can reuse");  in run_tests()
118 		expect_pass(flowlabel_get(fd, 2, IPV6_FL_S_ANY,  in run_tests()
122 	explain("create a new user-private label (FL_S_USER)");  in run_tests()
123 	expect_pass(flowlabel_get(fd, 3, IPV6_FL_S_USER, IPV6_FL_F_CREATE));  in run_tests()
124 	explain("cannot get it again in non-exclusive mode");  in run_tests()
125 	expect_fail(flowlabel_get(fd, 3, IPV6_FL_S_ANY, 0));  in run_tests()
127 	expect_fail(flowlabel_get(fd, 3, IPV6_FL_S_EXCL, 0));  in run_tests()
128 	explain("can get it again in user mode");  in run_tests()
129 	expect_pass(flowlabel_get(fd, 3, IPV6_FL_S_USER, 0));  in run_tests()
130 	explain("child process can get it too, but not after setuid(nobody)");  in run_tests()
132 	if (pid == -1)  in run_tests()
135 		expect_pass(flowlabel_get(fd, 3, IPV6_FL_S_USER, 0));  in run_tests()
139 			expect_fail(flowlabel_get(fd, 3, IPV6_FL_S_USER, 0));  in run_tests()
142 	if (wait(&wstatus) == -1)  in run_tests()
147 	explain("create a new process-private label (FL_S_PROCESS)");  in run_tests()
148 	expect_pass(flowlabel_get(fd, 4, IPV6_FL_S_PROCESS, IPV6_FL_F_CREATE));  in run_tests()
149 	explain("can get it again");  in run_tests()
150 	expect_pass(flowlabel_get(fd, 4, IPV6_FL_S_PROCESS, 0));  in run_tests()
151 	explain("child process cannot can get it");  in run_tests()
153 	if (pid == -1)  in run_tests()
156 		expect_fail(flowlabel_get(fd, 4, IPV6_FL_S_PROCESS, 0));  in run_tests()
159 	if (wait(&wstatus) == -1)  in run_tests()
169 	while ((c = getopt(argc, argv, "lv")) != -1) {  in parse_opts()
185 	int fd;  in main()  local
189 	fd = socket(PF_INET6, SOCK_DGRAM, 0);  in main()
190 	if (fd == -1)  in main()
193 	run_tests(fd);  in main()
195 	if (close(fd))  in main()