1 files changed, 150 insertions, 0 deletions
diff --git a/usr/src/lib/libpkg/common/handlelocalfs.c b/usr/src/lib/libpkg/common/handlelocalfs.c
new file mode 100644
index 0000000000..9130cb1417
--- /dev/null
+++ b/usr/src/lib/libpkg/common/handlelocalfs.c
@@ -0,0 +1,150 @@
+/*
+ *
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ *
+ */
+
+/*
+ * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ *
+*/
+
+
+#include <stdlib.h>
+#include <unistd.h>
+#include <strings.h>
+#include <libscf.h>
+
+#define	MAX_TRY	15
+static boolean_t fs_temporarily_enabled = B_FALSE;
+char svm_core_svcs[] = "system/filesystem/local:default";
+
+/*
+ * Name:	enable_local_fs
+ * Description: If the SMF service system/filesystem/local:default is not
+ *		enabled, then this function enables the service, so that,
+ *		all the local filesystems are mounted.
+ * Arguments:	None
+ * Returns:	B_TRUE on success; B_FALSE on error.
+ */
+boolean_t
+enable_local_fs(void)
+{
+	char *cur_smf_state;
+	int i;
+	boolean_t fs_enabled_here = B_FALSE;
+
+	if (fs_temporarily_enabled)  {
+		return (B_TRUE);
+	}
+
+	if ((cur_smf_state = smf_get_state(svm_core_svcs)) != NULL) {
+		if (strcmp(cur_smf_state, SCF_STATE_STRING_DISABLED) == 0) {
+			if (smf_enable_instance(svm_core_svcs, SMF_TEMPORARY)
+				!= 0) {
+				free(cur_smf_state);
+				return (B_FALSE);
+			}
+
+			fs_enabled_here = B_TRUE;
+
+		} else if (strcmp(cur_smf_state, SCF_STATE_STRING_ONLINE)
+				== 0) {
+			free(cur_smf_state);
+			return (B_TRUE);
+		} else if (strcmp(cur_smf_state, SCF_STATE_STRING_OFFLINE)
+				!= 0) {
+			free(cur_smf_state);
+			return (B_FALSE);
+		}
+
+		free(cur_smf_state);
+
+	} else {
+		return (B_FALSE);
+	}
+
+	for (i = 0; i < MAX_TRY; i++) {
+		if ((cur_smf_state = smf_get_state(svm_core_svcs)) != NULL) {
+			if (strcmp(cur_smf_state, SCF_STATE_STRING_ONLINE)
+				== 0) {
+				free(cur_smf_state);
+				if (fs_enabled_here) {
+					fs_temporarily_enabled = B_TRUE;
+				}
+				return (B_TRUE);
+			} else if ((strcmp(cur_smf_state,
+				SCF_STATE_STRING_OFFLINE) == 0) ||
+		(strcmp(cur_smf_state, SCF_STATE_STRING_DISABLED) == 0)) {
+				(void) sleep(1);
+				free(cur_smf_state);
+			} else {
+				free(cur_smf_state);
+				return (B_FALSE);
+			}
+		} else {
+			return (B_FALSE);
+		}
+	}
+
+	return (B_FALSE);
+}
+
+/*
+ * Name:	restore_local_fs
+ * Description: If the SMF service system/filesystem/local:default was
+ *		enabled using enable_local_fs(), then this function disables
+ *		the service.
+ * Arguments:	None
+ * Returns:	B_TRUE on success; B_FALSE on error.
+ */
+boolean_t
+restore_local_fs(void)
+{
+	int i;
+	char *cur_smf_state;
+
+	if (!fs_temporarily_enabled) {
+		return (B_TRUE);
+	}
+
+	if (smf_disable_instance(svm_core_svcs, SMF_TEMPORARY) != 0) {
+		return (B_FALSE);
+	}
+
+	for (i = 0; i < MAX_TRY; i++) {
+		if ((cur_smf_state = smf_get_state(svm_core_svcs)) != NULL) {
+			if (strcmp(cur_smf_state, SCF_STATE_STRING_DISABLED)
+				== 0) {
+				fs_temporarily_enabled = B_FALSE;
+				free(cur_smf_state);
+				break;
+			}
+			(void) sleep(1);
+
+			free(cur_smf_state);
+		} else {
+			return (B_FALSE);
+		}
+	}
+
+	return (!fs_temporarily_enabled);
+}