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1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
2 | ||
3 | /*** | |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright 2013 Tom Gundersen <teg@jklm.no> | |
7 | ||
8 | systemd is free software; you can redistribute it and/or modify it | |
9 | under the terms of the GNU Lesser General Public License as published by | |
10 | the Free Software Foundation; either version 2.1 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | systemd is distributed in the hope that it will be useful, but | |
14 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | Lesser General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU Lesser General Public License | |
19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
20 | ***/ | |
21 | ||
22 | #include <netinet/ether.h> | |
23 | ||
24 | #include "util.h" | |
25 | #include "macro.h" | |
26 | #include "sd-rtnl.h" | |
27 | #include "socket-util.h" | |
28 | ||
29 | static void test_link_configure(sd_rtnl *rtnl, int ifindex) { | |
30 | _cleanup_sd_rtnl_message_unref_ sd_rtnl_message *message; | |
31 | __u16 type; | |
32 | const char *mac = "98:fe:94:3f:c6:18", *name = "test"; | |
33 | unsigned int mtu = 1450; | |
34 | void *data; | |
35 | ||
36 | /* we'd really like to test NEWLINK, but let's not mess with the running kernel */ | |
37 | assert(sd_rtnl_message_link_new(RTM_GETLINK, ifindex, 0, 0, &message) >= 0); | |
38 | assert(sd_rtnl_message_append(message, IFLA_IFNAME, name) >= 0); | |
39 | assert(sd_rtnl_message_append(message, IFLA_ADDRESS, ether_aton(mac)) >= 0); | |
40 | assert(sd_rtnl_message_append(message, IFLA_MTU, &mtu) >= 0); | |
41 | ||
42 | assert(sd_rtnl_message_read(message, &type, &data) >= 0); | |
43 | assert(type == IFLA_IFNAME); | |
44 | assert(streq(name, (char *) data)); | |
45 | ||
46 | assert(sd_rtnl_message_read(message, &type, &data) >= 0); | |
47 | assert(type == IFLA_ADDRESS); | |
48 | assert(streq(mac, ether_ntoa(data))); | |
49 | ||
50 | assert(sd_rtnl_message_read(message, &type, &data) >= 0); | |
51 | assert(type == IFLA_MTU); | |
52 | assert(mtu == *(unsigned int *) data); | |
53 | ||
65f568bb TG |
54 | assert(sd_rtnl_send_with_reply_and_block(rtnl, message, 2 * USEC_PER_SEC, NULL) == 0); |
55 | } | |
56 | ||
57 | int main(void) { | |
58 | sd_rtnl *rtnl; | |
59 | sd_rtnl_message *m; | |
60 | sd_rtnl_message *r; | |
61 | void *data; | |
62 | int if_loopback; | |
63 | __u16 type; | |
64 | unsigned int mtu = 0; | |
65 | unsigned int *mtu_reply; | |
66 | ||
67 | assert(sd_rtnl_open(0, &rtnl) >= 0); | |
68 | assert(rtnl); | |
69 | ||
70 | if_loopback = (int) if_nametoindex("lo"); | |
71 | assert(if_loopback > 0); | |
72 | ||
73 | test_link_configure(rtnl, if_loopback); | |
74 | ||
75 | assert(sd_rtnl_message_link_new(RTM_GETLINK, if_loopback, 0, 0, &m) >= 0); | |
76 | assert(m); | |
77 | ||
78 | assert(sd_rtnl_message_get_type(m, &type) >= 0); | |
79 | assert(type == RTM_GETLINK); | |
80 | ||
81 | assert(sd_rtnl_message_read(m, &type, &data) == 0); | |
82 | ||
83 | assert(sd_rtnl_send_with_reply_and_block(rtnl, m, 100000000, &r) >= 0); | |
84 | assert(sd_rtnl_message_get_type(r, &type) >= 0); | |
85 | assert(type == RTM_NEWLINK); | |
86 | ||
87 | assert(sd_rtnl_message_read(m, &type, data) == 0); | |
88 | assert((r = sd_rtnl_message_unref(r)) == NULL); | |
89 | ||
90 | assert(sd_rtnl_send_with_reply_and_block(rtnl, m, -1, &r) == -EPERM); | |
91 | assert((m = sd_rtnl_message_unref(m)) == NULL); | |
92 | assert((r = sd_rtnl_message_unref(r)) == NULL); | |
93 | ||
94 | assert(sd_rtnl_message_link_new(RTM_GETLINK, if_loopback, 0, 0, &m) >= 0); | |
95 | assert(m); | |
96 | ||
97 | assert(sd_rtnl_message_append(m, IFLA_MTU, &mtu) >= 0); | |
98 | assert(sd_rtnl_message_read(m, &type, (void **) &mtu_reply) == 1); | |
99 | ||
100 | assert(type == IFLA_MTU); | |
101 | assert(*mtu_reply == 0); | |
102 | ||
103 | assert(sd_rtnl_message_read(m, &type, data) == 0); | |
104 | ||
105 | assert(sd_rtnl_send_with_reply_and_block(rtnl, m, -1, &r) >= 0); | |
106 | while (sd_rtnl_message_read(r, &type, &data)) { | |
107 | switch (type) { | |
eab97a46 TG |
108 | // case IFLA_MTU: |
109 | // assert(*(unsigned int *) data == 65536); | |
110 | // break;; | |
111 | // case IFLA_QDISC: | |
112 | // assert(streq((char *) data, "noqueue")); | |
113 | // break;; | |
65f568bb TG |
114 | case IFLA_IFNAME: |
115 | assert(streq((char *) data, "lo")); | |
116 | break;; | |
65f568bb TG |
117 | } |
118 | } | |
119 | ||
120 | assert((m = sd_rtnl_message_unref(m)) == NULL); | |
121 | assert((r = sd_rtnl_message_unref(r)) == NULL); | |
122 | assert((rtnl = sd_rtnl_unref(rtnl)) == NULL); | |
123 | ||
124 | return EXIT_SUCCESS; | |
125 | } |