From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Date: Thu, 23 Feb 2012 16:02:00 +0000 (-0500)
Subject: fix: command handling: do not check domain for commands not requiring domain
X-Git-Tag: v2.0.0-rc2~28
X-Git-Url: https://git.lttng.org./?a=commitdiff_plain;h=f84aa40aa710b6a6d65cf2612f70d52e2aa0e5dd;p=lttng-tools.git

fix: command handling: do not check domain for commands not requiring domain

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: David Goulet <dgoulet@efficios.com>
---

diff --git a/src/bin/lttng-sessiond/main.c b/src/bin/lttng-sessiond/main.c
index 283868970..1e15d86c4 100644
--- a/src/bin/lttng-sessiond/main.c
+++ b/src/bin/lttng-sessiond/main.c
@@ -3126,10 +3126,24 @@ static int process_client_msg(struct command_ctx *cmd_ctx)
 {
 	int ret = LTTCOMM_OK;
 	int need_tracing_session = 1;
+	int need_domain;
 
 	DBG("Processing client command %d", cmd_ctx->lsm->cmd_type);
 
-	if (opt_no_kernel && cmd_ctx->lsm->domain.type == LTTNG_DOMAIN_KERNEL) {
+	switch (cmd_ctx->lsm->cmd_type) {
+	case LTTNG_CREATE_SESSION:
+	case LTTNG_DESTROY_SESSION:
+	case LTTNG_LIST_SESSIONS:
+	case LTTNG_LIST_DOMAINS:
+	case LTTNG_START_TRACE:
+	case LTTNG_STOP_TRACE:
+		need_domain = 0;
+	default:
+		need_domain = 1;
+	}
+
+	if (opt_no_kernel && need_domain
+			&& cmd_ctx->lsm->domain.type == LTTNG_DOMAIN_KERNEL) {
 		ret = LTTCOMM_KERN_NA;
 		goto error;
 	}
@@ -3157,8 +3171,8 @@ static int process_client_msg(struct command_ctx *cmd_ctx)
 
 	/* Commands that DO NOT need a session. */
 	switch (cmd_ctx->lsm->cmd_type) {
-	case LTTNG_CALIBRATE:
 	case LTTNG_CREATE_SESSION:
+	case LTTNG_CALIBRATE:
 	case LTTNG_LIST_SESSIONS:
 	case LTTNG_LIST_TRACEPOINTS:
 		need_tracing_session = 0;
@@ -3183,6 +3197,9 @@ static int process_client_msg(struct command_ctx *cmd_ctx)
 		break;
 	}
 
+	if (!need_domain) {
+		goto skip_domain;
+	}
 	/*
 	 * Check domain type for specific "pre-action".
 	 */
@@ -3276,6 +3293,7 @@ static int process_client_msg(struct command_ctx *cmd_ctx)
 	default:
 		break;
 	}
+skip_domain:
 
 	/*
 	 * Check that the UID or GID match that of the tracing session.