X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Fmain.c;h=dd5cee4bd038333c7bb94e8e5649bfb38803ac4d;hb=1fb0b36edf2356dba7919869c655001d97514b2b;hp=c45280d11583f0d8f1f44b125546b24b7d5e3232;hpb=eaacb6d73009ef03d7cd2821c9d021708d130942;p=lttng-tools.git diff --git a/src/bin/lttng-sessiond/main.c b/src/bin/lttng-sessiond/main.c index c45280d11..dd5cee4bd 100644 --- a/src/bin/lttng-sessiond/main.c +++ b/src/bin/lttng-sessiond/main.c @@ -1023,7 +1023,11 @@ static int set_permissions(char *rundir) int ret; gid_t gid; - gid = utils_get_group_id(config.tracing_group_name.value); + ret = utils_get_group_id(config.tracing_group_name.value, true, &gid); + if (ret) { + /* Default to root group. */ + gid = 0; + } /* Set lttng run dir */ ret = chown(rundir, 0, gid); @@ -1134,7 +1138,16 @@ static int set_consumer_sockets(struct consumer_data *consumer_data) goto error; } if (is_root) { - ret = chown(path, 0, utils_get_group_id(config.tracing_group_name.value)); + gid_t gid; + + ret = utils_get_group_id(config.tracing_group_name.value, true, + &gid); + if (ret) { + /* Default to root group. */ + gid = 0; + } + + ret = chown(path, 0, gid); if (ret < 0) { ERR("Unable to set group on %s", path); PERROR("chown"); @@ -1336,6 +1349,34 @@ static void destroy_all_sessions_and_wait(void) DBG("Destruction of all sessions completed"); } +static int run_as_worker_post_fork_cleanup(void *data) +{ + struct sessiond_config *sessiond_config = data; + + sessiond_config_fini(sessiond_config); + return 0; +} + +static int launch_run_as_worker(const char *procname) +{ + /* + * Clean-up before forking the run-as worker. Any dynamically + * allocated memory of which the worker is not aware will + * be leaked as the process forks a run-as worker (and performs + * no exec*()). The same would apply to any opened fd. + */ + return run_as_create_worker(procname, run_as_worker_post_fork_cleanup, + &config); +} + +static void sessiond_uuid_log(void) +{ + char uuid_str[UUID_STR_LEN]; + + lttng_uuid_to_str(sessiond_uuid, uuid_str); + DBG("Starting lttng-sessiond {%s}", uuid_str); +} + /* * main */ @@ -1432,6 +1473,7 @@ int main(int argc, char **argv) set_clock_plugin_env(); sessiond_config_log(&config); + sessiond_uuid_log(); if (create_lttng_rundir()) { retval = -1; @@ -1469,7 +1511,7 @@ int main(int argc, char **argv) } } - if (run_as_create_worker(argv[0]) < 0) { + if (launch_run_as_worker(argv[0]) < 0) { goto exit_create_run_as_worker_cleanup; }