Chapril/xmpp.chapril.org-ejabberd
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* src/stringprep/stringprep_drv.c: Added support for nameprep,

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nodeprep and resourceprep
* src/stringprep/stringprep.erl: Likewise

* src/ejabberd_sup.erl: Added loading of stringprep

* src/ejabberd_sm.erl: Cleanup

SVN Revision: 142
This commit is contained in:
Alexey Shchepin 2003-09-28 18:27:55 +00:00
parent 8888e2528c
commit 94690e5eb6
6 changed files with 129 additions and 99 deletions
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10
ChangeLog
View File

@ -1,3 +1,13 @@
2003-09-28 Alexey Shchepin <alexey@sevcom.net>
* src/stringprep/stringprep_drv.c: Added support for nameprep,
nodeprep and resourceprep
* src/stringprep/stringprep.erl: Likewise
* src/ejabberd_sup.erl: Added loading of stringprep
* src/ejabberd_sm.erl: Cleanup
2003-09-26 Alexey Shchepin <alexey@sevcom.net>
* src/stringprep/: Support for stringprep (not completed yet)

1
src/Makefile
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@ -12,6 +12,7 @@ ERLSHLIBS = expat_erl.so
all: $(ERLSHLIBS)
erl -s make all report -noinput -s erlang halt
cd stringprep; make
$(ERLSHLIBS): %.so: %.c
gcc -Wall $(INCLUDES) $(LIBDIRS) \

48
src/ejabberd_sm.erl
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@ -63,8 +63,6 @@ loop() ->
loop();
{open_session, User, Resource, From} ->
register_connection(User, Resource, From),
%replace_and_register_my_connection(User, Resource, From),
%replace_alien_connection(User, Resource),
loop();
{close_session, User, Resource} ->
remove_connection(User, Resource),
@ -133,31 +131,6 @@ register_connection(User, Resource, Pid) ->
end.
replace_alien_connection(User, Resource) ->
LUser = jlib:tolower(User),
F = fun() ->
UR = {LUser, Resource},
Es = mnesia:read({session, UR}),
mnesia:write(#session{ur = UR, user = LUser, node = node()}),
Es
end,
case mnesia:transaction(F) of
{atomic, Rs} ->
lists:foreach(
fun(R) ->
if R#session.node /= node() ->
{ejabberd_sm, R#session.node} !
{replace, User, Resource};
true ->
ok
end
end, Rs);
_ ->
false
end.
replace_my_connection(User, Resource) ->
LUser = jlib:tolower(User),
F = fun() ->
@ -176,6 +149,7 @@ replace_my_connection(User, Resource) ->
false
end.
remove_connection(User, Resource) ->
LUser = jlib:tolower(User),
F = fun() ->
@ -185,24 +159,6 @@ remove_connection(User, Resource) ->
end,
mnesia:transaction(F).
replace_and_register_my_connection(User, Resource, Pid) ->
LUser = jlib:tolower(User),
F = fun() ->
UR = {LUser, Resource},
Es = mnesia:read({local_session, UR}),
mnesia:write(#local_session{ur = UR, pid = Pid}),
Es
end,
case mnesia:transaction(F) of
{atomic, Rs} ->
lists:foreach(
fun(R) ->
R#local_session.pid ! replaced
end, Rs);
_ ->
false
end.
clean_table_from_bad_node(Node) ->
F = fun() ->
@ -426,7 +382,7 @@ process_iq(From, To, Packet) ->
From, To, IQ);
[] ->
Err = jlib:make_error_reply(
Packet, "501", "Not Implemented"),
Packet, ?ERR_FEATURE_NOT_IMPLEMENTED),
ejabberd_router ! {route, To, From, Err}
end;
reply ->

8
src/ejabberd_sup.erl
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@ -49,6 +49,13 @@ init([]) ->
infinity,
supervisor,
[ejabberd_listener]},
StringPrep =
{stringprep,
{stringprep, start_link, []},
permanent,
brutal_kill,
worker,
[stringprep]},
C2SSupervisor =
{ejabberd_c2s_sup,
{ejabberd_tmp_sup, start_link, [ejabberd_c2s_sup, ejabberd_c2s]},
@ -90,6 +97,7 @@ init([]) ->
[ejabberd_tmp_sup]},
{ok, {{one_for_one, 10, 1},
[Router, SM, S2S, Local,
StringPrep,
C2SSupervisor,
S2SInSupervisor,
S2SOutSupervisor,

28
src/stringprep/stringprep.erl
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@ -12,7 +12,11 @@
-behaviour(gen_server).
-export([start/0, start_link/0, tolower/1]).
-export([start/0, start_link/0,
tolower/1,
nameprep/1,
nodeprep/1,
resourceprep/1]).
%% Internal exports, call-back functions.
-export([init/1,
@ -22,7 +26,9 @@
code_change/3,
terminate/2]).
-define(NAMEPREP_COMMAND, 1).
-define(NODEPREP_COMMAND, 2).
-define(RESOURCEPREP_COMMAND, 3).
start() ->
gen_server:start({local, ?MODULE}, ?MODULE, [], []).
@ -66,9 +72,23 @@ terminate(_Reason, Port) ->
tolower(String) ->
control(0, String).
nameprep(String) ->
control(?NAMEPREP_COMMAND, String).
nodeprep(String) ->
control(?NODEPREP_COMMAND, String).
resourceprep(String) ->
control(?RESOURCEPREP_COMMAND, String).
control(Command, String) ->
[{port, Port} | _] = ets:lookup(stringprep_table, port),
Res = port_control(Port, 1, String),
binary_to_list(Res).
case port_control(Port, Command, String) of
[0 | _] -> error;
[1 | Res] -> Res
end.

135
src/stringprep/stringprep_drv.c
View File

@ -7,6 +7,10 @@
#include "uni_data.c"
#define NAMEPREP_COMMAND 1
#define NODEPREP_COMMAND 2
#define RESOURCEPREP_COMMAND 3
typedef struct {
ErlDrvPort port;
} stringprep_data;
@ -17,7 +21,7 @@ static ErlDrvData stringprep_erl_start(ErlDrvPort port, char *buff)
stringprep_data* d = (stringprep_data*)driver_alloc(sizeof(stringprep_data));
d->port = port;
set_port_control_flags(port, PORT_CONTROL_FLAG_BINARY);
//set_port_control_flags(port, PORT_CONTROL_FLAG_BINARY);
return (ErlDrvData)d;
}
@ -32,18 +36,42 @@ static int stringprep_erl_control(ErlDrvData drv_data,
char *buf, int len,
char **rbuf, int rlen)
{
int i, j=0;
int i, j=1;
unsigned char c;
int bad = 0;
int uc, ruc;
int size;
int info;
ErlDrvBinary *b;
int prohibit, tolower;
char *rstring;
size = len;
size = len + 1;
rstring = malloc(size);
rstring = driver_alloc(size);
rstring[0] = 0;
switch (command)
{
case 0:
prohibit = ACMask;
tolower = 1;
break;
case NAMEPREP_COMMAND:
prohibit = ACMask;
tolower = 1;
break;
case NODEPREP_COMMAND:
prohibit = ACMask | C11Mask | C21Mask | XNPMask;
tolower = 1;
break;
case RESOURCEPREP_COMMAND:
prohibit = ACMask | C21Mask;
tolower = 0;
break;
}
for(i=0; i < len; i++)
{
@ -74,48 +102,55 @@ static int stringprep_erl_control(ErlDrvData drv_data,
}
if(bad) {
*rbuf = (char*)(b = driver_alloc_binary(1));
b->orig_bytes[0] = 0;
free(rstring);
*rbuf = rstring;
return 1;
}
info = GetUniCharInfo(uc);
if(info & prohibit) {
*rbuf = rstring;
return 1;
}
info = GetUniCharInfo(uc);
ruc = uc + GetDelta(info);
if(!(info & B1Mask))
{
if(tolower) {
ruc = uc + GetDelta(info);
} else {
ruc = uc;
}
if(ruc < 0x80) {
if(j >= size) {
size = 2*size + 1;
rstring = realloc(rstring, size);
if(ruc < 0x80) {
if(j >= size) {
size = 2*size + 1;
rstring = driver_realloc(rstring, size);
}
rstring[j] = (char) ruc;
j++;
} else if(ruc < 0x7FF) {
if(j + 1 >= size) {
size = 2*size + 2;
rstring = driver_realloc(rstring, size);
}
rstring[j] = (char) ((ruc >> 6) | 0xC0);
rstring[j+1] = (char) ((ruc | 0x80) & 0xBF);
j += 2;
} else if(ruc < 0xFFFF) {
if(j + 2 >= size) {
size = 2*size + 3;
rstring = driver_realloc(rstring, size);
}
rstring[j] = (char) ((ruc >> 12) | 0xE0);
rstring[j+1] = (char) (((ruc >> 6) | 0x80) & 0xBF);
rstring[j+2] = (char) ((ruc | 0x80) & 0xBF);
j += 3;
}
rstring[j] = (char) ruc;
j++;
} else if(ruc < 0x7FF) {
if(j >= size) {
size = 2*size + 2;
rstring = realloc(rstring, size);
}
rstring[j] = (char) ((ruc >> 6) | 0xC0);
rstring[j+1] = (char) ((ruc | 0x80) & 0xBF);
j += 2;
} else if(ruc < 0xFFFF) {
if(j >= size) {
size = 2*size + 3;
rstring = realloc(rstring, size);
}
rstring[j] = (char) ((ruc >> 12) | 0xE0);
rstring[j+1] = (char) (((ruc >> 6) | 0x80) & 0xBF);
rstring[j+2] = (char) ((ruc | 0x80) & 0xBF);
j += 3;
}
}
*rbuf = (char*)(b = driver_alloc_binary(j));
memcpy(b->orig_bytes, rstring, j);
free(rstring);
rstring[0] = 1;
*rbuf = rstring;
return j;
}
@ -123,18 +158,18 @@ static int stringprep_erl_control(ErlDrvData drv_data,
ErlDrvEntry stringprep_driver_entry = {
NULL, /* F_PTR init, N/A */
stringprep_erl_start, /* L_PTR start, called when port is opened */
stringprep_erl_stop, /* F_PTR stop, called when port is closed */
NULL, /* F_PTR output, called when erlang has sent */
NULL, /* F_PTR ready_input, called when input descriptor ready */
NULL, /* F_PTR ready_output, called when output descriptor ready */
"stringprep_drv", /* char *driver_name, the argument to open_port */
NULL, /* F_PTR finish, called when unloaded */
NULL, /* handle */
stringprep_erl_control, /* F_PTR control, port_command callback */
NULL, /* F_PTR timeout, reserved */
NULL /* F_PTR outputv, reserved */
NULL, /* F_PTR init, N/A */
stringprep_erl_start, /* L_PTR start, called when port is opened */
stringprep_erl_stop, /* F_PTR stop, called when port is closed */
NULL, /* F_PTR output, called when erlang has sent */
NULL, /* F_PTR ready_input, called when input descriptor ready */
NULL, /* F_PTR ready_output, called when output descriptor ready */
"stringprep_drv", /* char *driver_name, the argument to open_port */
NULL, /* F_PTR finish, called when unloaded */
NULL, /* handle */
stringprep_erl_control, /* F_PTR control, port_command callback */
NULL, /* F_PTR timeout, reserved */
NULL /* F_PTR outputv, reserved */
};
#ifdef WIN32