Add kernel uid/gid contexts

[lttng-tools.git] / src / bin / lttng-sessiond / context.c

diff --git a/src/bin/lttng-sessiond/context.c b/src/bin/lttng-sessiond/context.c
index 6cf301dcd04488b1a9f02ce79584e5cf0c445dea..3dd89cfddd86b12e953b4b8eedafd7957fc4d870 100644 (file)
--- a/src/bin/lttng-sessiond/context.c
+++ b/src/bin/lttng-sessiond/context.c
@@ -169,18 +169,19 @@ static int add_uctx_to_channel(struct ltt_ust_session *usess,
                goto error;
        }
 
-       ret = ust_app_add_ctx_channel_glb(usess, uchan, uctx);
-       if (ret < 0) {
-               goto error;
-       }
-
-       rcu_read_lock();
-
        /* Add ltt UST context node to ltt UST channel */
        lttng_ht_add_ulong(uchan->ctx, &uctx->node);
-       rcu_read_unlock();
        cds_list_add_tail(&uctx->list, &uchan->ctx_list);
 
+       if (!usess->active) {
+               goto end;
+       }
+
+       ret = ust_app_add_ctx_channel_glb(usess, uchan, uctx);
+       if (ret < 0) {
+               goto error;
+       }
+end:
        DBG("Context UST %d added to channel %s", uctx->ctx.ctx, uchan->name);
 
        return 0;
@@ -265,6 +266,63 @@ int context_kernel_add(struct ltt_kernel_session *ksession,
        case LTTNG_EVENT_CONTEXT_CALLSTACK_USER:
                kctx->ctx.ctx = LTTNG_KERNEL_CONTEXT_CALLSTACK_USER;
                break;
+       case LTTNG_EVENT_CONTEXT_CGROUP_NS:
+               kctx->ctx.ctx = LTTNG_KERNEL_CONTEXT_CGROUP_NS;
+               break;
+       case LTTNG_EVENT_CONTEXT_IPC_NS:
+               kctx->ctx.ctx = LTTNG_KERNEL_CONTEXT_IPC_NS;
+               break;
+       case LTTNG_EVENT_CONTEXT_MNT_NS:
+               kctx->ctx.ctx = LTTNG_KERNEL_CONTEXT_MNT_NS;
+               break;
+       case LTTNG_EVENT_CONTEXT_NET_NS:
+               kctx->ctx.ctx = LTTNG_KERNEL_CONTEXT_NET_NS;
+               break;
+       case LTTNG_EVENT_CONTEXT_PID_NS:
+               kctx->ctx.ctx = LTTNG_KERNEL_CONTEXT_PID_NS;
+               break;
+       case LTTNG_EVENT_CONTEXT_USER_NS:
+               kctx->ctx.ctx = LTTNG_KERNEL_CONTEXT_USER_NS;
+               break;
+       case LTTNG_EVENT_CONTEXT_UTS_NS:
+               kctx->ctx.ctx = LTTNG_KERNEL_CONTEXT_UTS_NS;
+               break;
+       case LTTNG_EVENT_CONTEXT_UID:
+               kctx->ctx.ctx = LTTNG_KERNEL_CONTEXT_UID;
+               break;
+       case LTTNG_EVENT_CONTEXT_EUID:
+               kctx->ctx.ctx = LTTNG_KERNEL_CONTEXT_EUID;
+               break;
+       case LTTNG_EVENT_CONTEXT_SUID:
+               kctx->ctx.ctx = LTTNG_KERNEL_CONTEXT_SUID;
+               break;
+       case LTTNG_EVENT_CONTEXT_GID:
+               kctx->ctx.ctx = LTTNG_KERNEL_CONTEXT_GID;
+               break;
+       case LTTNG_EVENT_CONTEXT_EGID:
+               kctx->ctx.ctx = LTTNG_KERNEL_CONTEXT_EGID;
+               break;
+       case LTTNG_EVENT_CONTEXT_SGID:
+               kctx->ctx.ctx = LTTNG_KERNEL_CONTEXT_SGID;
+               break;
+       case LTTNG_EVENT_CONTEXT_VUID:
+               kctx->ctx.ctx = LTTNG_KERNEL_CONTEXT_VUID;
+               break;
+       case LTTNG_EVENT_CONTEXT_VEUID:
+               kctx->ctx.ctx = LTTNG_KERNEL_CONTEXT_VEUID;
+               break;
+       case LTTNG_EVENT_CONTEXT_VSUID:
+               kctx->ctx.ctx = LTTNG_KERNEL_CONTEXT_VSUID;
+               break;
+       case LTTNG_EVENT_CONTEXT_VGID:
+               kctx->ctx.ctx = LTTNG_KERNEL_CONTEXT_VGID;
+               break;
+       case LTTNG_EVENT_CONTEXT_VEGID:
+               kctx->ctx.ctx = LTTNG_KERNEL_CONTEXT_VEGID;
+               break;
+       case LTTNG_EVENT_CONTEXT_VSGID:
+               kctx->ctx.ctx = LTTNG_KERNEL_CONTEXT_VSGID;
+               break;
        default:
                ret = LTTNG_ERR_KERN_CONTEXT_FAIL;
                goto error;