Inital checkin, feature complete.HEADsubmit/tizen/20130517.020755submit/tizen/20130509.173639submit/tizen/20130503.190727submit/tizen/20130503.184619tizen

Currently Tizen spec files can be stuck with a lot of commands in
their POST section dealing with database creation. To help reduce the
noise (and potential for these commands to fail) this package provides
a db-manager command that can run db commands, set the file owner, set
file permissions, and associate the file with a smack label.

Change-Id: Iff898dc085c9b35bc431e727e8f5f5a587f74b7a
Signed-off-by: William Douglas <william.douglas@intel.com>

10 files changed, 1519 insertions, 0 deletions

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..fc56372
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,24 @@
+*~
+DEADJOE
+core.*
+db-manager
+*.o
+*.gz
+Makefile
+Makefile.in
+aclocal.m4
+autom4te.cache/
+compile
+config.h
+config.h.in
+config.log
+config.status
+configure
+depcomp
+install-sh
+missing
+src/.deps/
+src/Makefile
+src/Makefile.in
+stamp-h1
+test-db
\ No newline at end of file
diff --git a/COPYING b/COPYING
new file mode 100644
index 0000000..94a9ed0
--- /dev/null
+++ b/COPYING
@@ -0,0 +1,674 @@
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+option of following the terms and conditions either of that numbered
+version or of any later version published by the Free Software
+Foundation.  If the Program does not specify a version number of the
+GNU General Public License, you may choose any version ever published
+by the Free Software Foundation.
+
+  If the Program specifies that a proxy can decide which future
+versions of the GNU General Public License can be used, that proxy's
+public statement of acceptance of a version permanently authorizes you
+to choose that version for the Program.
+
+  Later license versions may give you additional or different
+permissions.  However, no additional obligations are imposed on any
+author or copyright holder as a result of your choosing to follow a
+later version.
+
+  15. Disclaimer of Warranty.
+
+  THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
+APPLICABLE LAW.  EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
+HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
+OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
+THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+PURPOSE.  THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
+IS WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
+ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
+
+  16. Limitation of Liability.
+
+  IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
+THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
+GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
+USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
+DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
+PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
+EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGES.
+
+  17. Interpretation of Sections 15 and 16.
+
+  If the disclaimer of warranty and limitation of liability provided
+above cannot be given local legal effect according to their terms,
+reviewing courts shall apply local law that most closely approximates
+an absolute waiver of all civil liability in connection with the
+Program, unless a warranty or assumption of liability accompanies a
+copy of the Program in return for a fee.
+
+                     END OF TERMS AND CONDITIONS
+
+            How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+state the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    <one line to give the program's name and a brief idea of what it does.>
+    Copyright (C) <year>  <name of author>
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+Also add information on how to contact you by electronic and paper mail.
+
+  If the program does terminal interaction, make it output a short
+notice like this when it starts in an interactive mode:
+
+    <program>  Copyright (C) <year>  <name of author>
+    This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+    This is free software, and you are welcome to redistribute it
+    under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License.  Of course, your program's commands
+might be different; for a GUI interface, you would use an "about box".
+
+  You should also get your employer (if you work as a programmer) or school,
+if any, to sign a "copyright disclaimer" for the program, if necessary.
+For more information on this, and how to apply and follow the GNU GPL, see
+<http://www.gnu.org/licenses/>.
+
+  The GNU General Public License does not permit incorporating your program
+into proprietary programs.  If your program is a subroutine library, you
+may consider it more useful to permit linking proprietary applications with
+the library.  If this is what you want to do, use the GNU Lesser General
+Public License instead of this License.  But first, please read
+<http://www.gnu.org/philosophy/why-not-lgpl.html>.
diff --git a/Makefile.am b/Makefile.am
new file mode 100644
index 0000000..2273f4a
--- /dev/null
+++ b/Makefile.am
@@ -0,0 +1,6 @@
+SUBDIRS = \
+	src
+
+EXTRA_DIST = \
+	COPYING \
+	README
diff --git a/README b/README
new file mode 100644
index 0000000..fabf0f3
--- /dev/null
+++ b/README
@@ -0,0 +1,42 @@
+                          README for db-manager
+
+
+db-manager is a tool for creating, updating and removing databases by the
+package manager through a distributions packaging mechanism (currently
+tested on RPM packages).
+
+Currently supports creation of the following database types:
+   sqlite
+
+To build and run, use the standard autotools workflow like:
+   ./configure
+   make
+   sudo make install
+
+
+===========================================================================
+
+
+The tool takes an xml file of the following format:
+
+<database>
+  <dbtype>sqlite3</dbtype>
+  <name>.libaccounts-svc</name>
+  <path>/opt/dbspace</path>
+  <options>
+    <uid>5000</uid>
+    <gid>5000</gid>
+    <permissions>600</permissions>
+    <smacklabel>libaccounts-svc</smacklabel>
+    <queryfile>/fullpath/to/db-command-file</queryfile>
+  </options>
+</database>
+
+And it will create, update or remove the database depending on the
+options given to the tool.
+
+Note that the queryfile should be a file containing sql (or whatever
+your database uses) commands to create or modify the database as intended.
+
+The example.xml and example.sql files are intended to work as is (aside
+from the example.sql file needs to be copied to /tmp/example.sql).
diff --git a/autogen.sh b/autogen.sh
new file mode 100755
index 0000000..5018e80
--- /dev/null
+++ b/autogen.sh
@@ -0,0 +1,8 @@
+#!/bin/bash
+
+autoreconf --install
+
+args="--prefix=/usr"
+
+echo ./configure $args $@
+./configure $args $@
diff --git a/configure.ac b/configure.ac
new file mode 100644
index 0000000..28e5158
--- /dev/null
+++ b/configure.ac
@@ -0,0 +1,40 @@
+AC_PREREQ([2.68])
+AC_INIT([db-manager],[0.0.1],[william.douglas@intel.com])
+AM_INIT_AUTOMAKE([foreign -Wall -Werror])
+AC_CONFIG_FILES([Makefile src/Makefile])
+AC_CONFIG_SRCDIR([src/db-manager.c])
+AC_CONFIG_HEADERS([config.h])
+
+# Checks for programs.
+AC_PROG_CC
+AM_PROG_CC_C_O
+AC_PROG_INSTALL
+
+# PkgConfig tests
+PKG_CHECK_MODULES([libxml2], [libxml-2.0])
+PKG_CHECK_MODULES([sqlite3], [sqlite3])
+
+# Checks for header files.
+AC_CHECK_HEADERS([stdio.h assert.h sys/types.h sys/stat.h dirent.h signal.h errno.h sched.h fcntl.h stdlib.h string.h sys/time.h syslog.h unistd.h asm/unistd.h attr/xattr.h], , [AC_MSG_ERROR([UNABLE TO FIND HEADER])])
+
+# Checks for typedefs, structures, and compiler characteristics.
+AC_TYPE_SIZE_T
+AC_TYPE_SSIZE_T
+
+# Checks for library functions.
+AC_FUNC_MALLOC
+
+AC_OUTPUT
+
+AC_MSG_RESULT([
+	db-manager $VERSION
+	========
+
+	prefix:			${prefix}
+	exec_prefix:		${exec_prefix}
+	bindir:			${bindir}
+
+	compiler:		${CC}
+	cflags:			${CFLAGS}
+	ldflags:		${LDFLAGS}
+])
diff --git a/example.sql b/example.sql
new file mode 100644
index 0000000..98ac982
--- /dev/null
+++ b/example.sql
@@ -0,0 +1 @@
+create table t1 (t1key INTEGER PRIMARY KEY, data TEXT);
diff --git a/example.xml b/example.xml
new file mode 100644
index 0000000..e2106e9
--- /dev/null
+++ b/example.xml
@@ -0,0 +1,12 @@
+<database>
+  <dbtype>sqlite3</dbtype>
+  <name>test-db</name>
+  <path>/tmp/path</path>
+  <options>
+    <uid>0</uid>
+    <gid>0</gid>
+    <permissions>666</permissions>
+    <label>test-db-label</label>
+    <queryfile>/tmp/example.sql</queryfile>
+  </options>
+</database>
diff --git a/src/Makefile.am b/src/Makefile.am
new file mode 100644
index 0000000..0f52f9d
--- /dev/null
+++ b/src/Makefile.am
@@ -0,0 +1,14 @@
+AM_CFLAGS = -std=gnu99 -fstack-protector -D_FORTIFY_SOURCE=2 \
+	-Wall -pedantic -W -Wstrict-prototypes -Wundef -fno-common \
+	-Werror-implicit-function-declaration \
+	-Wdeclaration-after-statement -Wformat \
+	-Wformat-security -Werror=format-security
+
+bin_PROGRAMS = \
+	db-manager
+
+db_manager_SOURCES = \
+	db-manager.c
+
+AM_CPPFLAGS = $(AM_CFLAGS) $(libxml2_CFLAGS) $(sqlite3_CFLAGS)
+db_manager_LDADD = $(libxml2_LIBS) $(sqlite3_LIBS) -lattr
diff --git a/src/db-manager.c b/src/db-manager.c
new file mode 100644
index 0000000..4cb7497
--- /dev/null
+++ b/src/db-manager.c
@@ -0,0 +1,698 @@
+#define _GNU_SOURCE
+/*
+ * Copyright 2013, Intel Corporation
+ *
+ * This file is part of db-manager
+ *
+ * This program file is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; version 3 of the License.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program in a file named COPYING; if not, write to the
+ * Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301 USA
+ *
+ * Authors:
+ *	William Douglas <william.douglas@intel.com>
+ */
+
+#include <stdio.h>
+#include <getopt.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <limits.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <libxml/xmlreader.h>
+#include <attr/xattr.h>
+#include <sqlite3.h>
+
+//#define log(format, ...) fprintf(stderr, format, __VA_ARGS__)
+#define log(format, ...) 
+
+/*
+ * Structure to hold node values from the db xml file.
+ */
+static struct db {
+	char *filename;
+	char *type;
+	char *path;
+	char *smack_label;
+	char *cmd_filename;
+	unsigned long uid;
+	unsigned long gid;
+	unsigned long perm;
+} db_conf = { 0, 0, 0, 0, 0, 0, 0, 0644 };
+
+/*
+ * Enum for the action to be performed by the db manager.
+ */
+static enum action {
+	CREATE,
+	DELETE,
+	UPDATE
+} action_arg;
+
+/*
+ * Print commandline options for db-manager.
+ *
+ * Take a char * as the program's name.
+ */
+static void usage(const char *name)
+{
+	fprintf(stderr, "Usage: %s [OPTION]\n", name);
+	fprintf(stderr, "  -c, --create=db-xml   Create the db using the db-xml file\n");
+	fprintf(stderr, "  -d, --delete=db-xml   Delete the db using the db-xml file\n");
+	fprintf(stderr, "  -u, --upgrade=db-xml  Update the db using the db-xml file\n");
+	fprintf(stderr, "  -h, --help            Display this help message\n");
+}
+
+/*
+ * Check if the a given name is valid and if so associate
+ * the value with the global db struct. If the value
+ * already exists (xml parsing should throw an error but
+ * if it does not) free the previous value and add the
+ * new one to the struct.
+ *
+ * Takes two char *'s as a name and value (neither can
+ * be NULL as checked in the calling function).
+ */
+static void add_value_to_db(char *name, char *value)
+{
+	log("entered %s\n", __func__);
+
+	if (strncmp(name, "dbtype", 6) == 0) {
+		if (db_conf.type)
+			free(db_conf.type);
+		db_conf.type = strdup(value);
+		if (!db_conf.type)
+			exit(EXIT_FAILURE);
+	} else if (strncmp(name, "name", 4) == 0) {
+		if (db_conf.filename)
+			free(db_conf.filename);
+		db_conf.filename = strdup(value);
+		if (!db_conf.filename)
+			exit(EXIT_FAILURE);
+	} else if (strncmp(name, "path", 4) == 0) {
+		if (db_conf.path)
+			free(db_conf.path);
+		db_conf.path = strdup(value);
+		if (!db_conf.path)
+			exit(EXIT_FAILURE);
+		if (db_conf.path[0] != '/') {
+			fprintf(stderr, "path is not absolute\n");
+			exit(EXIT_FAILURE);
+		}
+	} else if (strncmp(name, "smacklabel", 5) == 0) {
+		if (db_conf.smack_label)
+			free(db_conf.smack_label);
+		db_conf.smack_label = strdup(value);
+		if (!db_conf.smack_label)
+			exit(EXIT_FAILURE);
+	} else if (strncmp(name, "queryfile", 9) == 0) {
+		if (db_conf.cmd_filename)
+			free(db_conf.cmd_filename);
+		db_conf.cmd_filename = strdup(value);
+		if (!db_conf.cmd_filename)
+			exit(EXIT_FAILURE);
+		if (db_conf.cmd_filename[0] != '/') {
+			fprintf(stderr,
+				"queryfile's filename not absolute\n");
+			exit(EXIT_FAILURE);
+		}
+	} else if (strncmp(name, "uid", 3) == 0) {
+		errno = 0;
+		db_conf.uid = strtoul(value, NULL, 10);
+		if (errno)
+			exit(EXIT_FAILURE);
+	} else if (strncmp(name, "gid", 3) == 0) {
+		errno = 0;
+		db_conf.gid = strtoul(value, NULL, 10);
+		if (errno)
+			exit(EXIT_FAILURE);
+	} else if (strncmp(name, "permissions", 11) == 0) {
+		errno = 0;
+		db_conf.perm = strtoul(value, NULL, 8);
+		if (errno)
+			exit(EXIT_FAILURE);
+	}
+}
+
+/*
+ * Read a value from an xml node and add that value
+ * to the database if it is not NULL.
+ *
+ * Takes a valid xmlTextReaderPtr after calling the
+ * xmlTextReaderRead function.
+ */
+static void process_node(xmlTextReaderPtr reader)
+{
+	xmlChar *name = NULL, *value = NULL;
+	int r;
+
+	log("entered %s\n", __func__);
+
+	name = xmlTextReaderName(reader);
+	if (!name)
+		exit(EXIT_FAILURE);
+
+	log("%d %d %s %d ",
+	    xmlTextReaderDepth(reader),
+	    xmlTextReaderNodeType(reader),
+	    name,
+	    xmlTextReaderIsEmptyElement(reader));
+
+	if ((strncmp((char *)name, "database", 8) == 0) ||
+	    (strncmp((char *)name, "options", 7) == 0)) {
+		goto out;
+	}
+
+	r = xmlTextReaderRead(reader);
+	if (r != 1)
+		goto out;
+	value = xmlTextReaderValue(reader);
+	if (!value)
+		goto out;
+
+	log("%s\n", value);
+
+	add_value_to_db((char *)name, (char *)value);
+
+out:
+	log("%s", "\n");
+	xmlFree(name);
+	xmlFree(value);
+	return;
+}
+
+/*
+ * Delete a db file.
+ *
+ * Takes a char * as a absolute path to the db file.
+ * Return an int, -1 for failure, 0 for success.
+ */
+static int delete_db(char *fullpath)
+{
+	log("entered %s\n", __func__);
+
+	return unlink(fullpath);
+}
+
+/*
+ * Change file permissions and ownership information
+ * as well as applying a smack label if specified.
+ *
+ * Takes a char * as an absolute path to the file.
+ */
+static void mod_db_file(char *fullpath)
+{
+	int r;
+
+	log("entered %s\n", __func__);
+
+	r = chmod(fullpath, (mode_t)db_conf.perm);
+	if (r)
+		perror("chmod: ");
+	r = chown(fullpath, (uid_t)db_conf.uid, (gid_t)db_conf.gid);
+	if (r)
+		perror("chown: ");
+
+	if (db_conf.smack_label) {
+		r = setxattr(fullpath, "security.SMACK64", db_conf.smack_label, strlen(db_conf.smack_label), 0);
+		if (r)
+			perror("setxattr: ");
+	}
+}
+
+/*
+ * Get db command from file specified in the xml
+ * configuration.
+ *
+ * Take a char ** to store the db command in.
+ * Return an int, -1 for failure, 0 for success.
+ */
+static int get_db_cmd(char **db_cmd)
+{
+	FILE *cmd_file = NULL;
+	long flen;
+	int r = 0;
+
+	log("entered %s\n", __func__);
+
+	cmd_file = fopen(db_conf.cmd_filename, "r");
+	if (!cmd_file) {
+		perror("query file error: ");
+		fprintf(stderr, "couldn't open query file: %s\n",
+			db_conf.cmd_filename);
+		goto get_db_cmd_out;
+	}
+
+	r = fseek(cmd_file, 0L, SEEK_END);
+	if (r == -1) {
+		perror("query file error: ");
+		goto get_db_cmd_out;
+	}
+
+	flen = ftell(cmd_file);
+	rewind(cmd_file);
+
+	*db_cmd = calloc(flen + 1, 1);
+	if (!(*db_cmd)) {
+		r = -1;
+		goto get_db_cmd_out;
+	}
+
+	r = fread(*db_cmd, 1, flen, cmd_file);
+	if (ferror(cmd_file)) {
+		r = -1;
+		free(*db_cmd);
+		fprintf(stderr, "query file read error\n");
+		goto get_db_cmd_out;
+	}
+
+	log("db command: %s\n", *db_cmd);
+	r = 0;
+
+get_db_cmd_out:
+	if (cmd_file)
+		(void)fclose(cmd_file);
+
+	return r;
+}
+
+/*
+ * Create sqlite3 db, called via create_db function
+ * pointer.
+ *
+ * Takes a char * as an absolute path to the file.
+ * Return an int, -1 failure, 0 success.
+ */
+static int sqlite3_create_db(char *fullpath)
+{
+	char *db_cmd = NULL, *err_msg = NULL;
+	sqlite3 *db_handle = NULL;
+	int r = 0;
+
+	log("entered %s\n", __func__);
+
+	r = sqlite3_open(fullpath, &db_handle);
+	if (r != SQLITE_OK) {
+		r = -1;
+		db_handle = NULL;
+		fprintf(stderr, "error opening db file\n");
+		goto sqlite3_out;
+	}
+
+	if (db_conf.cmd_filename) {
+		r = get_db_cmd(&db_cmd);
+
+		if (!r) {
+			r = sqlite3_exec(db_handle, db_cmd, NULL, NULL, &err_msg);
+			if (r) {
+				fprintf(stderr, "error in sql execution: %s\n", err_msg);
+				sqlite3_free(err_msg);
+				goto sqlite3_out;
+			}
+		} else {
+			db_cmd = NULL;
+		}
+	}
+
+sqlite3_out:
+	free(db_cmd);
+	(void)sqlite3_close(db_handle);
+	return r;
+}
+
+/*
+ * Check if a file exists.
+ *
+ * Takes a char * as an absolute path to the file
+ * Return an int with values signifying the following:
+ * -1 - other open error
+ *  0 - does not exist
+ *  1 - does exist
+ */
+static int test_file_exists(char *fullpath)
+{
+	int r;
+	int f;
+
+	log("entered %s\n", __func__);
+
+	f = open(fullpath, O_CREAT | O_EXCL, O_RDONLY);
+	if (f == -1 && errno == EEXIST)
+		r = 1;
+	else if (f == -1) {
+		r = -1;
+		perror("error opening db file: ");
+	} else {
+		close(f);
+		(void)unlink(fullpath);
+		r = 0;
+	}
+
+	return r;
+}
+
+/*
+ * Create journal filename for sqlite3 and test if the
+ * file exists, if it does call mod_db_file to do the
+ * permissions update, called via mod_journal_db
+ * function pointer.
+ *
+ * Takes a char * as an absolute path to the file.
+ */
+static void sqlite3_mod_journal_db(char *fullpath)
+{
+	int r;
+	char *journal_fullpath;
+
+	log("entered %s\n", __func__);
+
+	r = asprintf(&journal_fullpath, "%s%s", fullpath, "-journal");
+	if (r == -1)
+		return;
+
+	r = test_file_exists(journal_fullpath);
+	if (r == 1)
+		mod_db_file(journal_fullpath);
+
+	free(journal_fullpath);
+}
+
+/*
+ * Pointer to create_db function for appropriate db type.
+ */
+static int (*create_db)(char *fullpath);
+
+/*
+ * Pointer to mod_journal_db function for appropriate db type.
+ */
+static void (*mod_journal_db)(char *fullpath);
+
+/*
+ * Pointer to update_db function for appropriate db type.
+ */
+static int (*update_db)(char *fullpath);
+
+/*
+ * Test if a directory exists.
+ *
+ * Takes a char * as an absolute path to the file.
+ * Return an int with values signifying the following:
+ * -1 - error or part of the path is a file not a directory
+ *  0 - directory exists (not file)
+ *  1 - directory does not exist
+ */
+static int test_dir_exist(char *dir)
+{
+	struct stat st;
+	int r;
+
+	log("entered %s\n", __func__);
+
+	r = stat(dir, &st);
+
+	if (r == -1 && errno == ENOENT)
+		return 1;
+
+	if (r != -1) {
+		if (st.st_mode & S_IFDIR)
+			return 0;
+		else
+			fprintf(stderr,
+				"Expected directory and got a file: %s\n",
+				dir);
+	}
+
+	return -1;
+}
+
+/*
+ * Emulate mkdir -p.
+ *
+ * Return an int, -1 for failure, 0 for success.
+ */
+static int make_path_to_db(void)
+{
+	char *dirfullpath;
+	char partialpath[PATH_MAX];
+	size_t psize;
+	char *d;
+	int r = 0;
+
+	log("entered %s\n", __func__);
+
+	memset(partialpath, 0, PATH_MAX);
+	dirfullpath = strdup(db_conf.path);
+	if (!dirfullpath)
+		return -1;
+
+	if (strlen(dirfullpath) >= PATH_MAX) {
+		fprintf(stderr, "path too long: %s\n", dirfullpath);
+		free(dirfullpath);
+		return -1;
+	}
+	partialpath[0] = '/';
+	psize = 1;
+
+	d = strtok(dirfullpath, "/");
+	while (d) {
+		memcpy(partialpath+psize, d, strlen(d));
+		psize += strlen(d);
+		partialpath[psize] = '/';
+		psize++;
+		r = test_dir_exist(partialpath);
+		if (r == -1)
+			break;
+		if (r == 1) {
+			r = mkdir(partialpath, S_IRWXU | S_IRGRP |
+				  S_IXGRP | S_IROTH | S_IXOTH);
+			if (r) {
+				perror("mkdir error: ");
+				break;
+			}
+		}
+		d = strtok(NULL, "/");
+	}
+
+	free(dirfullpath);
+
+	return r;
+}
+
+/*
+ * Create db and set its permissions.
+ *
+ * Takes a char * as an absolute path to the file.
+ * Return an int, -1 for failure, 0 for success.
+ */
+static int create(char *fullpath)
+{
+	int r;
+
+	log("entered %s\n", __func__);
+
+	r = make_path_to_db();
+	if (r)
+		return r;
+
+	r = test_file_exists(fullpath);
+	if (!r) {
+		if (create_db)
+			r = (*create_db)(fullpath);
+		else
+			r = -1;
+	}
+
+	if (r != -1) {
+		mod_db_file(fullpath);
+		if (mod_journal_db)
+			(*mod_journal_db)(fullpath);
+	}
+
+	return r;
+}
+
+/*
+ * Update sqlite3 db, called via update_db
+ * function pointer.
+ *
+ * Takes a char * as an absolute path to the file.
+ * Return an int, -1 for failure, 0 for success.
+ */
+static int sqlite3_update_db(char *fullpath)
+{
+	log("entered %s\n", __func__);
+
+	/* for now update and create have the same process */
+	if (create_db)
+		return (*create_db)(fullpath);
+	return -1;
+}
+
+/*
+ * update db and (re)set its permissions.
+ *
+ * Takes a char * as an absolute path to the file.
+ * Return an int, -1 for failure, 0 for success.
+ */
+static int update(char *fullpath)
+{
+	int r;
+
+	log("entered %s\n", __func__);
+
+	r = test_file_exists(fullpath);
+	if (r == 1) {
+		if (update_db)
+			r = (*update_db)(fullpath);
+		else
+			r = -1;
+	}
+
+	if (r != -1) {
+		mod_db_file(fullpath);
+		if (mod_journal_db)
+			(*mod_journal_db)(fullpath);
+	}
+
+	return r;
+}
+
+/*
+ * Read an xml file with a format like:
+ * <database>
+ *   <dbtype>sqlite3</dbtype>
+ *   <name>test-db</name>
+ *   <path>/tmp/long/path</path>
+ *   <options>
+ *     <uid>0</uid>
+ *     <gid>0</gid>
+ *     <permissions>666</permissions>
+ *     <smacklabel>test-db-label</smacklabel>
+ *     <queryfile>/tmp/example.sql</queryfile>
+ *   </options>
+ * </database>
+ *
+ * Takes a char * as an absolute path to the file.
+ */
+static void process_xml(char *filename)
+{
+	xmlTextReaderPtr reader;
+	int r;
+
+	log("entered %s\n", __func__);
+
+	r = test_file_exists(filename);
+	if (r == 1)
+		reader = xmlNewTextReaderFilename(filename);
+	else
+		exit(EXIT_FAILURE);
+
+	if (!reader)
+		exit(EXIT_FAILURE);
+
+	r = xmlTextReaderRead(reader);
+	while (r == 1) {
+		if ((xmlTextReaderNodeType(reader) != 15) &&
+		    (xmlTextReaderNodeType(reader) != 14))
+			process_node(reader);
+
+		r = xmlTextReaderRead(reader);
+	}
+	if (!db_conf.type ||
+	    !db_conf.filename ||
+	    !db_conf.path)
+		exit(EXIT_FAILURE);
+
+	xmlFreeTextReader(reader);
+}
+
+/*
+ * Run the function is specified on the commandline.
+ *
+ * Return an int, -1 for failure, 0 for success.
+ */
+static int run(void)
+{
+	char *fullpath;
+	int r;
+
+	log("entered %s\n", __func__);
+
+	r = asprintf(&fullpath, "%s/%s", db_conf.path, db_conf.filename);
+	if (r == -1)
+		exit(EXIT_FAILURE);
+
+	if (strncmp(db_conf.type, "sqlite3", 7) == 0) {
+		create_db = &sqlite3_create_db;
+		mod_journal_db = &sqlite3_mod_journal_db;
+		update_db = &sqlite3_update_db;
+	} else {
+		exit(EXIT_FAILURE);
+	}
+
+	if (action_arg == DELETE)
+		r = delete_db(fullpath);
+	else if (action_arg == CREATE)
+		r = create(fullpath);
+	else
+		r = update(fullpath);
+
+	free(fullpath);
+
+	return r;
+}
+
+int main(int argc, char **argv)
+{
+	int c;
+	int option_index = 0;
+	struct option long_options[] = {
+		{ "create",  required_argument, NULL,  'c' },
+		{ "update",  required_argument, NULL,  'u' },
+		{ "delete",  required_argument, NULL,  'd' },
+		{ "help",    no_argument,       NULL,  'h' },
+		{ 0, 0, 0, 0 }
+	};
+
+	c = getopt_long(argc, argv, "c:u:d:h",long_options, &option_index);
+	if (c == -1) {
+		usage(argv[0]);
+		exit(EXIT_FAILURE);
+	}
+
+	switch (c) {
+	case 'c':
+		action_arg = CREATE;
+		break;
+	case 'd':
+		action_arg = DELETE;
+		break;
+	case 'u':
+		action_arg = UPDATE;
+		break;
+	case 'h':
+		usage(argv[0]);
+		exit(EXIT_SUCCESS);
+	default:
+		usage(argv[0]);
+		exit(EXIT_FAILURE);
+	}
+
+	process_xml(optarg);
+
+	return run();
+}