+++ /dev/null
-/*
- * Copyright (C) 2018 - Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License, version 2 only, as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc., 51
- * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-#define _LGPL_SOURCE
-#include <assert.h>
-#include <inttypes.h>
-
-#include <common/common.h>
-#include <common/sessiond-comm/relayd.h>
-
-#include <common/compat/endian.h>
-#include <common/compat/string.h>
-#include <lttng/constant.h>
-
-#include "cmd-2-11.h"
-#include "utils.h"
-
-int cmd_create_session_2_11(const struct lttng_buffer_view *payload,
- char *session_name, char *hostname,
- uint32_t *live_timer, bool *snapshot,
- uint64_t *id_sessiond, lttng_uuid sessiond_uuid,
- bool *has_current_chunk, uint64_t *current_chunk_id,
- time_t *creation_time)
-{
- int ret;
- struct lttcomm_relayd_create_session_2_11 header;
- size_t header_len, received_names_size;
- struct lttng_buffer_view session_name_view;
- struct lttng_buffer_view hostname_view;
-
- header_len = sizeof(header);
-
- if (payload->size < header_len) {
- ERR("Unexpected payload size in \"cmd_create_session_2_11\": expected >= %zu bytes, got %zu bytes",
- header_len, payload->size);
- ret = -1;
- goto error;
- }
- memcpy(&header, payload->data, header_len);
-
- header.session_name_len = be32toh(header.session_name_len);
- header.hostname_len = be32toh(header.hostname_len);
- header.live_timer = be32toh(header.live_timer);
- header.current_chunk_id.value = be64toh(header.current_chunk_id.value);
- header.current_chunk_id.is_set = !!header.current_chunk_id.is_set;
- header.creation_time = be64toh(header.creation_time);
-
- lttng_uuid_copy(sessiond_uuid, header.sessiond_uuid);
-
- received_names_size = header.session_name_len + header.hostname_len;
- if (payload->size < header_len + received_names_size) {
- ERR("Unexpected payload size in \"cmd_create_session_2_11\": expected >= %zu bytes, got %zu bytes",
- header_len + received_names_size, payload->size);
- ret = -1;
- goto error;
- }
-
- /* Validate length against defined constant. */
- if (header.session_name_len > LTTNG_NAME_MAX) {
- ret = -ENAMETOOLONG;
- ERR("Length of session name (%" PRIu32 " bytes) received in create_session command exceeds maximum length (%d bytes)", header.session_name_len, LTTNG_NAME_MAX);
- goto error;
- }
- if (header.hostname_len > LTTNG_HOST_NAME_MAX) {
- ret = -ENAMETOOLONG;
- ERR("Length of hostname (%" PRIu32 " bytes) received in create_session command exceeds maximum length (%d bytes)", header.hostname_len, LTTNG_HOST_NAME_MAX);
- goto error;
- }
-
- session_name_view = lttng_buffer_view_from_view(payload, header_len,
- header.session_name_len);
- hostname_view = lttng_buffer_view_from_view(payload,
- header_len + header.session_name_len, header.hostname_len);
-
- /* Validate that names are NULL terminated. */
- if (session_name_view.data[session_name_view.size - 1] != '\0') {
- ERR("cmd_create_session_2_11 session_name is invalid (not NULL terminated)");
- ret = -1;
- goto error;
- }
-
- if (hostname_view.data[hostname_view.size - 1] != '\0') {
- ERR("cmd_create_session_2_11 hostname is invalid (not NULL terminated)");
- ret = -1;
- goto error;
- }
-
- /*
- * Length and null-termination check are already performed.
- * LTTNG_NAME_MAX and LTTNG_HOST_NAME_MAX max size are expected.
- */
- strcpy(session_name, session_name_view.data);
- strcpy(hostname, hostname_view.data);
-
- *live_timer = header.live_timer;
- *snapshot = !!header.snapshot;
- *current_chunk_id = header.current_chunk_id.value;
- *has_current_chunk = header.current_chunk_id.is_set;
- *creation_time = (time_t) header.creation_time;
-
- ret = 0;
-
-error:
- return ret;
-}
-
-/*
- * cmd_recv_stream_2_11 allocates path_name and channel_name.
- */
-int cmd_recv_stream_2_11(const struct lttng_buffer_view *payload,
- char **ret_path_name, char **ret_channel_name,
- uint64_t *tracefile_size, uint64_t *tracefile_count,
- uint64_t *trace_archive_id)
-{
- int ret;
- struct lttcomm_relayd_add_stream_2_11 header;
- size_t header_len, received_names_size;
- struct lttng_buffer_view channel_name_view;
- struct lttng_buffer_view pathname_view;
- char *path_name = NULL;
- char *channel_name = NULL;
-
- header_len = sizeof(header);
-
- if (payload->size < header_len) {
- ERR("Unexpected payload size in \"cmd_recv_stream_2_11\": expected >= %zu bytes, got %zu bytes",
- header_len, payload->size);
- ret = -1;
- goto error;
- }
- memcpy(&header, payload->data, header_len);
-
- header.channel_name_len = be32toh(header.channel_name_len);
- header.pathname_len = be32toh(header.pathname_len);
- header.tracefile_size = be64toh(header.tracefile_size);
- header.tracefile_count = be64toh(header.tracefile_count);
- header.trace_chunk_id = be64toh(header.trace_chunk_id);
-
- received_names_size = header.channel_name_len + header.pathname_len;
- if (payload->size < header_len + received_names_size) {
- ERR("Unexpected payload size in \"cmd_recv_stream_2_11\": expected >= %zu bytes, got %zu bytes",
- header_len + received_names_size, payload->size);
- ret = -1;
- goto error;
- }
-
- /* Validate length against defined constant. */
- if (header.channel_name_len > DEFAULT_STREAM_NAME_LEN) {
- ret = -ENAMETOOLONG;
- ERR("Channel name too long");
- goto error;
- }
- if (header.pathname_len > LTTNG_NAME_MAX) {
- ret = -ENAMETOOLONG;
- ERR("Pathname too long");
- goto error;
- }
-
- /* Validate that names are (NULL terminated. */
- channel_name_view = lttng_buffer_view_from_view(payload, header_len,
- header.channel_name_len);
- pathname_view = lttng_buffer_view_from_view(payload,
- header_len + header.channel_name_len, header.pathname_len);
-
- if (channel_name_view.data[channel_name_view.size - 1] != '\0') {
- ERR("cmd_recv_stream_2_11 channel_name is invalid (not NULL terminated)");
- ret = -1;
- goto error;
- }
-
- if (pathname_view.data[pathname_view.size - 1] != '\0') {
- ERR("cmd_recv_stream_2_11 patname is invalid (not NULL terminated)");
- ret = -1;
- goto error;
- }
-
- channel_name = strdup(channel_name_view.data);
- if (!channel_name) {
- ret = -errno;
- PERROR("Channel name allocation");
- goto error;
- }
-
- path_name = strdup(pathname_view.data);
- if (!path_name) {
- PERROR("Path name allocation");
- ret = -ENOMEM;
- goto error;
- }
-
- *tracefile_size = header.tracefile_size;
- *tracefile_count = header.tracefile_count;
- *trace_archive_id = header.trace_chunk_id;
- *ret_path_name = path_name;
- *ret_channel_name = channel_name;
- /* Move ownership to caller */
- path_name = NULL;
- channel_name = NULL;
- ret = 0;
-error:
- free(channel_name);
- free(path_name);
- return ret;
-}
projects / lttng-tools.git / blobdiff