Commit | Line | Data |
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d3e2ba59 | 1 | /* |
ab5be9fa MJ |
2 | * Copyright (C) 2013 Julien Desfossez <jdesfossez@efficios.com> |
3 | * Copyright (C) 2013 David Goulet <dgoulet@efficios.com> | |
4 | * Copyright (C) 2015 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | |
d3e2ba59 | 5 | * |
ab5be9fa | 6 | * SPDX-License-Identifier: GPL-2.0-only |
d3e2ba59 | 7 | * |
d3e2ba59 JD |
8 | */ |
9 | ||
6c1c0768 | 10 | #define _LGPL_SOURCE |
d3e2ba59 | 11 | #include <assert.h> |
d3e2ba59 JD |
12 | |
13 | #include <common/common.h> | |
14 | #include <common/sessiond-comm/relayd.h> | |
15 | ||
f263b7fd | 16 | #include <common/compat/endian.h> |
246777db MD |
17 | #include <common/compat/string.h> |
18 | #include <lttng/constant.h> | |
f263b7fd | 19 | |
5312a3ed | 20 | #include "cmd-2-4.h" |
d3e2ba59 JD |
21 | #include "lttng-relayd.h" |
22 | ||
5312a3ed | 23 | int cmd_create_session_2_4(const struct lttng_buffer_view *payload, |
7591bab1 MD |
24 | char *session_name, char *hostname, |
25 | uint32_t *live_timer, bool *snapshot) | |
d3e2ba59 JD |
26 | { |
27 | int ret; | |
28 | struct lttcomm_relayd_create_session_2_4 session_info; | |
246777db | 29 | size_t len; |
d3e2ba59 | 30 | |
5312a3ed JG |
31 | if (payload->size < sizeof(session_info)) { |
32 | ERR("Unexpected payload size in \"cmd_create_session_2_4\": expected >= %zu bytes, got %zu bytes", | |
33 | sizeof(session_info), payload->size); | |
34 | ret = -1; | |
d3e2ba59 JD |
35 | goto error; |
36 | } | |
5312a3ed JG |
37 | memcpy(&session_info, payload->data, sizeof(session_info)); |
38 | ||
246777db MD |
39 | len = lttng_strnlen(session_info.session_name, sizeof(session_info.session_name)); |
40 | /* Ensure that NULL-terminated and fits in local filename length. */ | |
41 | if (len == sizeof(session_info.session_name) || len >= LTTNG_NAME_MAX) { | |
42 | ret = -ENAMETOOLONG; | |
43 | ERR("Session name too long"); | |
44 | goto error; | |
e7f8eff3 JG |
45 | } else if (len == 0) { |
46 | ret = -EINVAL; | |
47 | ERR("Session name can't be of length 0"); | |
48 | goto error; | |
246777db | 49 | } |
da4f23ee | 50 | strncpy(session_name, session_info.session_name, LTTNG_NAME_MAX); |
246777db MD |
51 | |
52 | len = lttng_strnlen(session_info.hostname, sizeof(session_info.hostname)); | |
53 | if (len == sizeof(session_info.hostname) || len >= LTTNG_HOST_NAME_MAX) { | |
54 | ret = -ENAMETOOLONG; | |
55 | ERR("Session name too long"); | |
56 | goto error; | |
57 | } | |
885e05c5 | 58 | strncpy(hostname, session_info.hostname, LTTNG_HOST_NAME_MAX); |
46ef2188 | 59 | |
7591bab1 MD |
60 | *live_timer = be32toh(session_info.live_timer); |
61 | *snapshot = be32toh(session_info.snapshot); | |
d3e2ba59 JD |
62 | |
63 | ret = 0; | |
64 | ||
65 | error: | |
66 | return ret; | |
67 | } |