X-Git-Url: https://git.liburcu.org/?a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Fcmd.c;h=201cbd183f8796f0bf716546562f31fd6b80b9b9;hb=c6906a8f61306f3d42aecf1653840c2bf57f904e;hp=d443d7926b7d9c25fc1b3dcdcbb8b1ced0bc97a4;hpb=ea1e385730a56475ac364739fa4da34da5dacc53;p=lttng-tools.git diff --git a/src/bin/lttng-sessiond/cmd.c b/src/bin/lttng-sessiond/cmd.c index d443d7926..201cbd183 100644 --- a/src/bin/lttng-sessiond/cmd.c +++ b/src/bin/lttng-sessiond/cmd.c @@ -758,12 +758,15 @@ static int add_uri_to_consumer(struct consumer_output *consumer, DBG2("Setting trace directory path from URI to %s", uri->dst.path); memset(consumer->dst.trace_path, 0, sizeof(consumer->dst.trace_path)); - strncpy(consumer->dst.trace_path, uri->dst.path, - sizeof(consumer->dst.trace_path)); + /* Explicit length checks for strcpy and strcat. */ + if (strlen(uri->dst.path) + strlen(default_trace_dir) + >= sizeof(consumer->dst.trace_path)) { + ret = LTTNG_ERR_FATAL; + goto error; + } + strcpy(consumer->dst.trace_path, uri->dst.path); /* Append default trace dir */ - strncat(consumer->dst.trace_path, default_trace_dir, - sizeof(consumer->dst.trace_path) - - strlen(consumer->dst.trace_path) - 1); + strcat(consumer->dst.trace_path, default_trace_dir); /* Flag consumer as local. */ consumer->type = CONSUMER_DST_LOCAL; break; @@ -3353,10 +3356,18 @@ ssize_t cmd_snapshot_list_outputs(struct ltt_session *session, assert(output->consumer); list[idx].id = output->id; list[idx].max_size = output->max_size; - strncpy(list[idx].name, output->name, sizeof(list[idx].name)); + if (lttng_strncpy(list[idx].name, output->name, + sizeof(list[idx].name))) { + ret = -LTTNG_ERR_INVALID; + goto error; + } if (output->consumer->type == CONSUMER_DST_LOCAL) { - strncpy(list[idx].ctrl_url, output->consumer->dst.trace_path, - sizeof(list[idx].ctrl_url)); + if (lttng_strncpy(list[idx].ctrl_url, + output->consumer->dst.trace_path, + sizeof(list[idx].ctrl_url))) { + ret = -LTTNG_ERR_INVALID; + goto error; + } } else { /* Control URI. */ ret = uri_to_str_url(&output->consumer->dst.net.control,