Add SQLite support

.gitignore

@@ -4,6 +4,8 @@
 *~
 \#*#
 .#*
+.edts
+*.dump
 /Makefile
 /config.log
 /config.status
@@ -38,3 +40,4 @@
 /dialyzer/
 /test/*.beam
 /logs/
+/priv/sql

.travis.yml

@@ -11,7 +11,7 @@ before_install:
   - sudo apt-get -qq update
 
 install:
-  - sudo apt-get -qq install libexpat1-dev libyaml-dev libpam0g-dev
+  - sudo apt-get -qq install libexpat1-dev libyaml-dev libpam0g-dev libsqlite3-dev
 
 before_script:
   - mysql -u root -e "CREATE USER 'ejabberd_test'@'localhost' IDENTIFIED BY 'ejabberd_test';"

Makefile.in

@@ -43,6 +43,9 @@ SODIR = $(PRIVDIR)/lib
 # /usr/lib/ejabberd/priv/msgs
 MSGSDIR = $(PRIVDIR)/msgs
 
+# /usr/lib/ejabberd/priv/sql
+SQLDIR = $(PRIVDIR)/sql
+
 # /var/lib/ejabberd/
 SPOOLDIR = $(DESTDIR)@localstatedir@/lib/ejabberd
 
@@ -176,11 +179,16 @@ install: all
 	$(INSTALL) -d $(SODIR)
 	$(INSTALL) -m 644 $(DLLs) $(SODIR)
 	-[ -f $(SODIR)/jiffy.so ] && (cd $(PRIVDIR); ln -s lib/jiffy.so; true)
+	-[ -f $(SODIR)/sqlite3_drv.so ] && (cd $(PRIVDIR); ln -s lib/sqlite3_drv.so; true)
 	#
 	# Translated strings
 	$(INSTALL) -d $(MSGSDIR)
 	$(INSTALL) -m 644 priv/msgs/*.msg $(MSGSDIR)
 	#
+	# Copy lite.sql
+	-[ -d deps/sqlite3 ] && $(INSTALL) -d $(SQLDIR)
+	-[ -d deps/sqlite3 ] && $(INSTALL) -m 644 sql/lite.sql $(SQLDIR)
+	#
 	# Spool directory
 	$(INSTALL) -d -m 750 $(O_USER) $(SPOOLDIR)
 	$(CHOWN_COMMAND) -R @INSTALLUSER@ $(SPOOLDIR) >$(CHOWN_OUTPUT)
@@ -229,6 +237,8 @@ uninstall-binary:
 	rm -fr $(SODIR)
 	rm -f  $(MSGSDIR)/*.msgs
 	rm -fr $(MSGSDIR)
+	rm -f  $(SQLDIR)/*.sql
+	rm -fr $(SQLDIR)
 	rm -fr $(PRIVDIR)
 	rm -fr $(EJABBERDDIR)
 
@@ -310,6 +320,7 @@ test:
 	@echo "************************** NOTICE ***************************************"
 	@cat test/README
 	@echo "*************************************************************************"
+	@cd priv && ln -sf ../sql
 	$(REBAR) skip_deps=true ct
 
 quicktest:

configure.ac

@@ -106,10 +106,10 @@ AC_ARG_ENABLE(mssql,
 esac],[db_type=generic])
 
 AC_ARG_ENABLE(all,
-[AC_HELP_STRING([--enable-all], [same as --enable-nif --enable-odbc --enable-mysql --enable-pgsql --enable-pam --enable-zlib --enable-riak --enable-redis --enable-json --enable-elixir --enable-iconv --enable-debug --enable-lager --enable-tools (useful for Dialyzer checks, default: no)])],
+[AC_HELP_STRING([--enable-all], [same as --enable-nif --enable-odbc --enable-mysql --enable-pgsql --enable-sqlite --enable-pam --enable-zlib --enable-riak --enable-redis --enable-json --enable-elixir --enable-iconv --enable-debug --enable-lager --enable-tools (useful for Dialyzer checks, default: no)])],
 [case "${enableval}" in
-  yes) nif=true odbc=true mysql=true pgsql=true pam=true zlib=true riak=true redis=true json=true elixir=true iconv=true debug=true lager=true tools=true ;;
+  yes) nif=true odbc=true mysql=true pgsql=true sqlite=true pam=true zlib=true riak=true redis=true json=true elixir=true iconv=true debug=true lager=true tools=true ;;
-  no) nif=false odbc=false mysql=false pgsql=false pam=false zlib=false riak=false redis=false json=false elixir=false iconv=false debug=false lager=false tools=false ;;
+  no) nif=false odbc=false mysql=false pgsql=false sqlite=false pam=false zlib=false riak=false redis=false json=false elixir=false iconv=false debug=false lager=false tools=false ;;
   *) AC_MSG_ERROR(bad value ${enableval} for --enable-all) ;;
 esac],[])
 
@@ -153,6 +153,14 @@ AC_ARG_ENABLE(pgsql,
   *) AC_MSG_ERROR(bad value ${enableval} for --enable-pgsql) ;;
 esac],[if test "x$pgsql" = "x"; then pgsql=false; fi])
 
+AC_ARG_ENABLE(sqlite,
+[AC_HELP_STRING([--enable-sqlite], [enable SQLite support (default: no)])],
+[case "${enableval}" in
+  yes) sqlite=true ;;
+  no)  sqlite=false ;;
+  *) AC_MSG_ERROR(bad value ${enableval} for --enable-sqlite) ;;
+esac],[if test "x$sqlite" = "x"; then sqlite=false; fi])
+
 AC_ARG_ENABLE(pam,
 [AC_HELP_STRING([--enable-pam], [enable PAM support (default: no)])],
 [case "${enableval}" in
@@ -254,6 +262,7 @@ AC_SUBST(db_type)
 AC_SUBST(odbc)
 AC_SUBST(mysql)
 AC_SUBST(pgsql)
+AC_SUBST(sqlite)
 AC_SUBST(pam)
 AC_SUBST(zlib)
 AC_SUBST(riak)

ejabberd.yml.example

@@ -343,6 +343,12 @@ auth_method: internal
 ##
 ## pgsql_users_number_estimate: true
 
+##
+## SQLite:
+##
+## odbc_type: sqlite
+## odbc_database: "/path/to/database.db"
+
 ##
 ## ODBC compatible or MSSQL server:
 ##

include/ejabberd.hrl

@@ -31,6 +31,12 @@
 
 -define(MSGS_DIR, filename:join(["priv", "msgs"])).
 
+-define(SQL_DIR, filename:join(["priv", "sql"])).
+
+-define(SQLITE_DB, ejabberd_sqlite).
+
+-define(DEFAULT_SQLITE_DB_PATH, <<"/tmp/ejabberd.db">>).
+
 -define(CONFIG_PATH, <<"ejabberd.cfg">>).
 
 -define(LOG_PATH, <<"ejabberd.log">>).

rebar.config.script

@@ -87,6 +87,8 @@ CfgDeps = lists:flatmap(
                     [{p1_mysql, ".*", {git, "git://github.com/processone/mysql"}}];
                ({pgsql, true}) ->
                     [{p1_pgsql, ".*", {git, "git://github.com/processone/pgsql"}}];
+               ({sqlite, true}) ->
+                    [{sqlite3, ".*", {git, "git://github.com/alexeyr/erlang-sqlite3"}}];
                ({pam, true}) ->
                     [{p1_pam, ".*", {git, "git://github.com/processone/epam"}}];
                ({zlib, true}) ->

sql/lite.sql

@@ -0,0 +1,272 @@
+--
+-- ejabberd, Copyright (C) 2002-2015   ProcessOne
+--
+-- 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 2 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, write to the Free Software Foundation, Inc.,
+-- 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+--
+
+CREATE TABLE users (
+    username text PRIMARY KEY,
+    password text NOT NULL,
+    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
+);
+
+
+CREATE TABLE last (
+    username text PRIMARY KEY,
+    seconds text NOT NULL,
+    state text NOT NULL
+);
+
+
+CREATE TABLE rosterusers (
+    username text NOT NULL,
+    jid text NOT NULL,
+    nick text NOT NULL,
+    subscription character(1) NOT NULL,
+    ask character(1) NOT NULL,
+    askmessage text NOT NULL,
+    server character(1) NOT NULL,
+    subscribe text,
+    type text,
+    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
+);
+
+CREATE UNIQUE INDEX i_rosteru_user_jid ON rosterusers (username, jid);
+CREATE INDEX i_rosteru_username ON rosterusers (username);
+CREATE INDEX i_rosteru_jid ON rosterusers (jid);
+
+
+CREATE TABLE rostergroups (
+    username text NOT NULL,
+    jid text NOT NULL,
+    grp text NOT NULL
+);
+
+CREATE INDEX pk_rosterg_user_jid ON rostergroups (username, jid);
+
+CREATE TABLE sr_group (
+    name text NOT NULL,
+    opts text NOT NULL,
+    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
+);
+
+CREATE TABLE sr_user (
+    jid text NOT NULL,
+    grp text NOT NULL,
+    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
+);
+
+CREATE UNIQUE INDEX i_sr_user_jid_grp ON sr_user (jid, grp);
+CREATE INDEX i_sr_user_jid ON sr_user (jid);
+CREATE INDEX i_sr_user_grp ON sr_user (grp);
+
+CREATE TABLE spool (
+    username text NOT NULL,
+    xml text NOT NULL,
+    seq SERIAL,
+    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
+);
+
+CREATE INDEX i_despool ON spool (username);
+
+
+CREATE TABLE vcard (
+    username text PRIMARY KEY,
+    vcard text NOT NULL,
+    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
+);
+
+CREATE TABLE vcard_xupdate (
+    username text PRIMARY KEY,
+    hash text NOT NULL,
+    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
+);
+
+CREATE TABLE vcard_search (
+    username text NOT NULL,
+    lusername text PRIMARY KEY,
+    fn text NOT NULL,
+    lfn text NOT NULL,
+    family text NOT NULL,
+    lfamily text NOT NULL,
+    given text NOT NULL,
+    lgiven text NOT NULL,
+    middle text NOT NULL,
+    lmiddle text NOT NULL,
+    nickname text NOT NULL,
+    lnickname text NOT NULL,
+    bday text NOT NULL,
+    lbday text NOT NULL,
+    ctry text NOT NULL,
+    lctry text NOT NULL,
+    locality text NOT NULL,
+    llocality text NOT NULL,
+    email text NOT NULL,
+    lemail text NOT NULL,
+    orgname text NOT NULL,
+    lorgname text NOT NULL,
+    orgunit text NOT NULL,
+    lorgunit text NOT NULL
+);
+
+CREATE INDEX i_vcard_search_lfn       ON vcard_search(lfn);
+CREATE INDEX i_vcard_search_lfamily   ON vcard_search(lfamily);
+CREATE INDEX i_vcard_search_lgiven    ON vcard_search(lgiven);
+CREATE INDEX i_vcard_search_lmiddle   ON vcard_search(lmiddle);
+CREATE INDEX i_vcard_search_lnickname ON vcard_search(lnickname);
+CREATE INDEX i_vcard_search_lbday     ON vcard_search(lbday);
+CREATE INDEX i_vcard_search_lctry     ON vcard_search(lctry);
+CREATE INDEX i_vcard_search_llocality ON vcard_search(llocality);
+CREATE INDEX i_vcard_search_lemail    ON vcard_search(lemail);
+CREATE INDEX i_vcard_search_lorgname  ON vcard_search(lorgname);
+CREATE INDEX i_vcard_search_lorgunit  ON vcard_search(lorgunit);
+
+CREATE TABLE privacy_default_list (
+    username text PRIMARY KEY,
+    name text NOT NULL
+);
+
+CREATE TABLE privacy_list (
+    username text NOT NULL,
+    name text NOT NULL,
+    id SERIAL UNIQUE,
+    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
+);
+
+CREATE INDEX i_privacy_list_username ON privacy_list (username);
+CREATE UNIQUE INDEX i_privacy_list_username_name ON privacy_list (username, name);
+
+CREATE TABLE privacy_list_data (
+    id bigint REFERENCES privacy_list(id) ON DELETE CASCADE,
+    t character(1) NOT NULL,
+    value text NOT NULL,
+    action character(1) NOT NULL,
+    ord NUMERIC NOT NULL,
+    match_all boolean NOT NULL,
+    match_iq boolean NOT NULL,
+    match_message boolean NOT NULL,
+    match_presence_in boolean NOT NULL,
+    match_presence_out boolean NOT NULL
+);
+
+CREATE TABLE private_storage (
+    username text NOT NULL,
+    namespace text NOT NULL,
+    data text NOT NULL,
+    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
+);
+
+CREATE INDEX i_private_storage_username ON private_storage (username);
+CREATE UNIQUE INDEX i_private_storage_username_namespace ON private_storage (username, namespace);
+
+
+CREATE TABLE roster_version (
+    username text PRIMARY KEY,
+    version text NOT NULL
+);
+
+CREATE TABLE pubsub_node (
+  host text,
+  node text,
+  parent text,
+  type text,
+  nodeid SERIAL UNIQUE
+);
+CREATE INDEX i_pubsub_node_parent ON pubsub_node (parent);
+CREATE UNIQUE INDEX i_pubsub_node_tuple ON pubsub_node (host, node);
+
+CREATE TABLE pubsub_node_option (
+  nodeid bigint REFERENCES pubsub_node(nodeid) ON DELETE CASCADE,
+  name text,
+  val text
+);
+CREATE INDEX i_pubsub_node_option_nodeid ON pubsub_node_option (nodeid);
+
+CREATE TABLE pubsub_node_owner (
+  nodeid bigint REFERENCES pubsub_node(nodeid) ON DELETE CASCADE,
+  owner text
+);
+CREATE INDEX i_pubsub_node_owner_nodeid ON pubsub_node_owner (nodeid);
+
+CREATE TABLE pubsub_state (
+  nodeid bigint REFERENCES pubsub_node(nodeid) ON DELETE CASCADE,
+  jid text,
+  affiliation character(1),
+  subscriptions text,
+  stateid SERIAL UNIQUE
+);
+CREATE INDEX i_pubsub_state_jid ON pubsub_state (jid);
+CREATE UNIQUE INDEX i_pubsub_state_tuple ON pubsub_state (nodeid, jid);
+
+CREATE TABLE pubsub_item (
+  nodeid bigint REFERENCES pubsub_node(nodeid) ON DELETE CASCADE,
+  itemid text,
+  publisher text,
+  creation text,
+  modification text,
+  payload text
+);
+CREATE INDEX i_pubsub_item_itemid ON pubsub_item (itemid);
+CREATE UNIQUE INDEX i_pubsub_item_tuple ON pubsub_item (nodeid, itemid);
+
+ CREATE TABLE pubsub_subscription_opt (
+  subid text,
+  opt_name varchar(32),
+  opt_value text
+);
+CREATE UNIQUE INDEX i_pubsub_subscription_opt ON pubsub_subscription_opt (subid, opt_name);
+
+CREATE TABLE muc_room (
+    name text NOT NULL,
+    host text NOT NULL,
+    opts text NOT NULL,
+    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
+);
+
+CREATE UNIQUE INDEX i_muc_room_name_host ON muc_room (name, host);
+
+CREATE TABLE muc_registered (
+    jid text NOT NULL,
+    host text NOT NULL,
+    nick text NOT NULL,
+    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
+);
+
+CREATE INDEX i_muc_registered_nick ON muc_registered (nick);
+CREATE UNIQUE INDEX i_muc_registered_jid_host ON muc_registered (jid, host);
+
+CREATE TABLE irc_custom (
+    jid text NOT NULL,
+    host text NOT NULL,
+    data text NOT NULL,
+    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
+);
+
+CREATE UNIQUE INDEX i_irc_custom_jid_host ON irc_custom (jid, host);
+
+CREATE TABLE motd (
+    username text PRIMARY KEY,
+    xml text,
+    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
+);
+
+CREATE TABLE caps_features (
+    node text NOT NULL,
+    subnode text NOT NULL,
+    feature text,
+    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
+);
+
+CREATE INDEX i_caps_features_node_subnode ON caps_features (node, subnode);

src/ejabberd_odbc.erl

@@ -58,7 +58,7 @@
 
 -record(state,
 	{db_ref = self()                     :: pid(),
-         db_type = odbc                      :: pgsql | mysql | odbc,
+         db_type = odbc                      :: pgsql | mysql | sqlite | odbc,
          start_interval = 0                  :: non_neg_integer(),
          host = <<"">>                       :: binary(),
 	 max_pending_requests_len            :: non_neg_integer(),
@@ -224,7 +224,8 @@ init([Host, StartInterval]) ->
 connecting(connect, #state{host = Host} = State) ->
     ConnectRes = case db_opts(Host) of
 		   [mysql | Args] -> apply(fun mysql_connect/5, Args);
-		   [pgsql | Args] -> apply(fun pgsql_connect/5, Args);
+           [pgsql | Args] -> apply(fun pgsql_connect/5, Args);
+           [sqlite | Args] -> apply(fun sqlite_connect/1, Args);
 		   [odbc | Args] -> apply(fun odbc_connect/1, Args)
 		 end,
     {_, PendingRequests} = State#state.pending_requests,
@@ -327,8 +328,9 @@ handle_info(Info, StateName, State) ->
 terminate(_Reason, _StateName, State) ->
     ejabberd_odbc_sup:remove_pid(State#state.host, self()),
     case State#state.db_type of
-      mysql -> catch p1_mysql_conn:stop(State#state.db_ref);
+        mysql -> catch p1_mysql_conn:stop(State#state.db_ref);
-      _ -> ok
+        sqlite -> catch sqlite3:close(?SQLITE_DB);
+        _ -> ok
     end,
     ok.
 
@@ -456,7 +458,9 @@ sql_query_internal(Query) ->
 						   [{timeout, (?TRANSACTION_TIMEOUT) - 1000},
 						    {result_type, binary}])),
 		%% ?INFO_MSG("MySQL, Received result~n~p~n", [R]),
-		R
+        R;
+        sqlite ->
+        sqlite_to_odbc(sqlite3:sql_exec(?SQLITE_DB, Query))
 	  end,
     case Res of
       {error, <<"No SQL-driver information available.">>} ->
@@ -488,6 +492,34 @@ odbc_connect(SQLServer) ->
     ejabberd:start_app(odbc),
     odbc:connect(binary_to_list(SQLServer), [{scrollable_cursors, off}]).
 
+%% == Native SQLite code
+
+%% part of init/1
+%% Open a database connection to SQLite
+
+sqlite_connect(DB) ->
+    process_flag(trap_exit, true),
+    case sqlite3:open(?SQLITE_DB, [{file, binary_to_list(DB)}]) of
+        {ok, Ref} ->
+            {ok, Ref};
+        {error, {already_started, Ref}} ->
+            {ok, Ref};
+        {error, Reason} ->
+            {error, Reason}
+    end.
+
+%% Convert SQLite query result to Erlang ODBC result formalism
+sqlite_to_odbc(ok) ->
+    {updated, sqlite3:changes(?SQLITE_DB)};
+sqlite_to_odbc({rowid, _}) ->
+    {updated, sqlite3:changes(?SQLITE_DB)};
+sqlite_to_odbc([{columns, Columns}, {rows, Rows}]) ->
+    {selected, [list_to_binary(C) || C <- Columns], [tuple_to_list(Row) || Row <- Rows]};
+sqlite_to_odbc({error, _Code, Reason}) ->
+    {error, Reason};
+sqlite_to_odbc(_) ->
+    {updated, undefined}.
+
 %% == Native PostgreSQL code
 
 %% part of init/1
@@ -584,6 +616,7 @@ db_opts(Host) ->
     Type = ejabberd_config:get_option({odbc_type, Host},
                                       fun(mysql) -> mysql;
                                          (pgsql) -> pgsql;
+                                         (sqlite) -> sqlite;
                                          (odbc) -> odbc
                                       end, odbc),
     Server = ejabberd_config:get_option({odbc_server, Host},
@@ -592,6 +625,11 @@ db_opts(Host) ->
     case Type of
         odbc ->
             [odbc, Server];
+        sqlite ->
+            DB = ejabberd_config:get_option({odbc_database, Host},
+                                            fun iolist_to_binary/1,
+                                            ?DEFAULT_SQLITE_DB_PATH),
+            [sqlite, DB];
         _ ->
             Port = ejabberd_config:get_option(
                      {odbc_port, Host},

src/ejabberd_odbc_sup.erl

@@ -67,6 +67,22 @@ init([Host]) ->
                       {odbc_start_interval, Host},
                       fun(I) when is_integer(I), I>0 -> I end,
                       ?DEFAULT_ODBC_START_INTERVAL),
+    Type = ejabberd_config:get_option({odbc_type, Host},
+                                      fun(mysql) -> mysql;
+                                         (pgsql) -> pgsql;
+                                         (sqlite) -> sqlite;
+                                         (odbc) -> odbc
+                                      end, odbc),
+    case Type of
+        sqlite ->
+            DB = ejabberd_config:get_option({odbc_database, Host},
+                                            fun iolist_to_binary/1,
+                                            ?DEFAULT_SQLITE_DB_PATH),
+            check_sqlite_db(DB);
+        _ ->
+            ok
+    end,
+
     {ok,
      {{one_for_one, PoolSize * 10, 1},
       lists:map(fun (I) ->
@@ -113,5 +129,75 @@ transform_options({odbc_server, {mysql, Server, DB, User, Pass}}, Opts) ->
     transform_options({odbc_server, {mysql, Server, ?MYSQL_PORT, DB, User, Pass}}, Opts);
 transform_options({odbc_server, {pgsql, Server, DB, User, Pass}}, Opts) ->
     transform_options({odbc_server, {pgsql, Server, ?PGSQL_PORT, DB, User, Pass}}, Opts);
+transform_options({odbc_server, {sqlite, DB}}, Opts) ->
+    transform_options({odbc_server, {sqlite, DB}}, Opts);
 transform_options(Opt, Opts) ->
     [Opt|Opts].
+
+check_sqlite_db(DB) ->
+    process_flag(trap_exit, true),
+    Ret = case sqlite3:open(?SQLITE_DB, [{file, binary_to_list(DB)}]) of
+              {ok, _Ref} -> ok;
+              {error, {already_started, _Ref}} -> ok;
+              {error, R} -> {error, R}
+          end,
+    case Ret of
+        ok ->
+            case sqlite3:list_tables(?SQLITE_DB) of
+                [] ->
+                    create_sqlite_tables(),
+                    sqlite3:close(?SQLITE_DB),
+                    ok;
+                [_H | _] ->
+                    ok
+            end;
+        {error, Reason} ->
+            ?INFO_MSG("Failed open sqlite database, reason ~p", [Reason])
+    end.
+
+create_sqlite_tables() ->
+    SqlDir = case code:priv_dir(ejabberd) of
+                 {error, _} ->
+                     ?SQL_DIR;
+                 PrivDir ->
+                     filename:join(PrivDir, "sql")
+             end,
+    File = filename:join(SqlDir, "lite.sql"),
+    case file:open(File, [read, binary]) of
+        {ok, Fd} ->
+            Qs = read_lines(Fd, File, []),
+            ok = sqlite3:sql_exec(?SQLITE_DB, "begin"),
+            [ok = sqlite3:sql_exec(?SQLITE_DB, Q) || Q <- Qs],
+            ok = sqlite3:sql_exec(?SQLITE_DB, "commit");
+        {error, Reason} ->
+            ?INFO_MSG("Not found sqlite database schema, reason: ~p", [Reason]),
+            ok
+    end.
+
+read_lines(Fd, File, Acc) ->
+    case file:read_line(Fd) of
+        {ok, Line} ->
+            NewAcc = case str:strip(str:strip(Line, both, $\r), both, $\n) of
+                         <<"--", _/binary>> ->
+                             Acc;
+                         <<>> ->
+                             Acc;
+                         _ ->
+                             [Line|Acc]
+                     end,
+            read_lines(Fd, File, NewAcc);
+        eof ->
+            QueryList = str:tokens(list_to_binary(lists:reverse(Acc)), <<";">>),
+            lists:flatmap(
+              fun(Query) ->
+                      case str:strip(str:strip(Query, both, $\r), both, $\n) of
+                          <<>> ->
+                              [];
+                          Q ->
+                              [<<Q/binary, $;>>]
+                      end
+              end, QueryList);
+        {error, _} = Err ->
+            ?ERROR_MSG("Failed read from lite.sql, reason: ~p", [Err]),
+            []
+    end.

src/ejabberd_rdbms.erl

@@ -74,10 +74,12 @@ needs_odbc(Host) ->
     case ejabberd_config:get_option({odbc_type, LHost},
                                     fun(mysql) -> mysql;
                                        (pgsql) -> pgsql;
+                                       (sqlite) -> sqlite;
                                        (odbc) -> odbc
                                     end, undefined) of
         mysql -> {true, p1_mysql};
         pgsql -> {true, p1_pgsql};
+        sqlite -> {true, sqlite3};
         odbc -> {true, odbc};
         undefined -> false
     end.

src/odbc_queries.erl

@@ -229,6 +229,7 @@ users_number(LServer) ->
     Type = ejabberd_config:get_option({odbc_type, LServer},
                                       fun(pgsql) -> pgsql;
                                          (mysql) -> mysql;
+                                         (sqlite) -> sqlite;
                                          (odbc) -> odbc
                                       end, odbc),
     case Type of

test/ejabberd_SUITE.erl

@@ -35,6 +35,7 @@ init_per_suite(Config) ->
     LDIFFile = filename:join([DataDir, "ejabberd.ldif"]),
     {ok, _} = file:copy(ExtAuthScript, filename:join([CWD, "extauth.py"])),
     {ok, _} = ldap_srv:start(LDIFFile),
+    file:delete("/tmp/ejabberd_test.db"),
     ok = application:start(ejabberd),
     NewConfig.
 
@@ -65,6 +66,14 @@ init_per_group(pgsql, Config) ->
         Err ->
             {skip, {pgsql_not_available, Err}}
     end;
+init_per_group(sqlite, Config) ->
+    case catch ejabberd_odbc:sql_query(?SQLITE_VHOST, [<<"select 1;">>]) of
+        {selected, _, _} ->
+            mod_muc:shutdown_rooms(?SQLITE_VHOST),
+            set_opt(server, ?SQLITE_VHOST, Config);
+        Err ->
+            {skip, {sqlite_not_available, Err}}
+    end;
 init_per_group(ldap, Config) ->
     set_opt(server, ?LDAP_VHOST, Config);
 init_per_group(extauth, Config) ->
@@ -88,6 +97,8 @@ end_per_group(mysql, _Config) ->
     ok;
 end_per_group(pgsql, _Config) ->
     ok;
+end_per_group(sqlite, _Config) ->
+    ok;
 end_per_group(no_db, _Config) ->
     ok;
 end_per_group(ldap, _Config) ->
@@ -300,6 +311,7 @@ groups() ->
      {mnesia, [sequence], db_tests(mnesia)},
      {mysql, [sequence], db_tests(mysql)},
      {pgsql, [sequence], db_tests(pgsql)},
+     {sqlite, [sequence], db_tests(sqlite)},
      {riak, [sequence], db_tests(riak)}].
 
 all() ->
@@ -308,6 +320,7 @@ all() ->
      {group, mnesia},
      {group, mysql},
      {group, pgsql},
+     {group, sqlite},
      {group, extauth},
      {group, riak},
      stop_ejabberd].
@@ -1631,6 +1644,8 @@ socks5_recv(Sock, Data) ->
 %%%===================================================================
 %%% SQL stuff
 %%%===================================================================
+create_sql_tables(sqlite, _BaseDir) ->
+    ok;
 create_sql_tables(Type, BaseDir) ->
     {VHost, File} = case Type of
                         mysql ->

test/ejabberd_SUITE_data/ejabberd.cfg

@@ -3,6 +3,7 @@
          "mnesia.localhost",
          "mysql.localhost",
          "pgsql.localhost",
+         "sqlite.localhost",
          "extauth.localhost",
          "ldap.localhost"]}.
 {define_macro, 'CERTFILE', "cert.pem"}.
@@ -120,6 +121,25 @@
                     {mod_roster,      [{db_type, odbc}]},
                     {mod_vcard,       [{db_type, odbc}]}]}
  ]}.
+{host_config, "sqlite.localhost",
+ [{auth_method, odbc},
+  {odbc_pool_size, 1},
+  {odbc_server, {sqlite, "/tmp/ejabberd_test.db"}},
+  {{add, modules}, [{mod_announce,    [{db_type, odbc}]},
+                    {mod_blocking,    [{db_type, odbc}]},
+                    {mod_caps,        [{db_type, odbc}]},
+                    {mod_last,        [{db_type, odbc}]},
+                    {mod_muc,         [{db_type, odbc}]},
+                    {mod_offline,     [{db_type, odbc}]},
+                    {mod_privacy,     [{db_type, odbc}]},
+                    {mod_private,     [{db_type, odbc}]},
+                    {mod_pubsub_odbc, [{access_createnode, pubsub_createnode},
+                                       {ignore_pep_from_offline, true},
+                                       {last_item_cache, false},
+                                       {plugins, ["flat", "hometree", "pep"]}]},
+                    {mod_roster,      [{db_type, odbc}]},
+                    {mod_vcard,       [{db_type, odbc}]}]}
+ ]}.
 {host_config, "ldap.localhost",
  [{auth_method, ldap},
   {ldap_servers, ["localhost"]},

test/ejabberd_SUITE_data/ejabberd.yml

@@ -51,6 +51,57 @@ host_config:
         welcome_message: 
           subject: "Welcome!"
           body: "Hi.
+Welcome to this XMPP server."
+      mod_stats: []
+      mod_time: []
+      mod_version: []
+  "sqlite.localhost": 
+    odbc_type: sqlite
+    odbc_database: "/tmp/ejabberd_test.db"
+    auth_method: odbc
+    modules: 
+      mod_announce: 
+        db_type: odbc
+        access: local
+      mod_blocking: 
+        db_type: odbc
+      mod_caps: 
+        db_type: odbc
+      mod_last: 
+        db_type: odbc
+      mod_muc: 
+        db_type: odbc
+      mod_offline: 
+        db_type: odbc
+      mod_privacy: 
+        db_type: odbc
+      mod_private: 
+        db_type: odbc
+      mod_pubsub_odbc: 
+        access_createnode: pubsub_createnode
+        ignore_pep_from_offline: true
+        last_item_cache: false
+        plugins: 
+          - "flat"
+          - "hometree"
+          - "pep"
+      mod_roster:
+        versioning: true
+        store_current_id: true
+        db_type: odbc
+      mod_vcard: 
+        db_type: odbc
+      mod_vcard_xupdate:
+        db_type: odbc
+      mod_adhoc: []
+      mod_configure: []
+      mod_disco: []
+      mod_ping: []
+      mod_proxy65: []
+      mod_register: 
+        welcome_message: 
+          subject: "Welcome!"
+          body: "Hi.
 Welcome to this XMPP server."
       mod_stats: []
       mod_time: []
@@ -242,6 +293,7 @@ hosts:
   - "extauth.localhost"
   - "ldap.localhost"
   - "riak.localhost"
+  - "sqlite.localhost"
 access: 
   announce: 
     admin: allow

test/suite.hrl

@@ -59,6 +59,7 @@
 -define(MNESIA_VHOST, <<"mnesia.localhost">>).
 -define(MYSQL_VHOST, <<"mysql.localhost">>).
 -define(PGSQL_VHOST, <<"pgsql.localhost">>).
+-define(SQLITE_VHOST, <<"sqlite.localhost">>).
 -define(LDAP_VHOST, <<"ldap.localhost">>).
 -define(EXTAUTH_VHOST, <<"extauth.localhost">>).
 -define(RIAK_VHOST, <<"riak.localhost">>).

vars.config.in

@@ -23,6 +23,7 @@
 {odbc, @odbc@}.
 {mysql, @mysql@}.
 {pgsql, @pgsql@}.
+{sqlite, @sqlite@}.
 {pam, @pam@}.
 {zlib, @zlib@}.
 {riak, @riak@}.