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Diffstat (limited to 'src/login/login.cpp')
-rw-r--r--src/login/login.cpp318
1 files changed, 143 insertions, 175 deletions
diff --git a/src/login/login.cpp b/src/login/login.cpp
index 7170a59..98f0c1e 100644
--- a/src/login/login.cpp
+++ b/src/login/login.cpp
@@ -53,7 +53,6 @@
#include "../net/packets.hpp"
#include "../net/socket.hpp"
#include "../net/timer.hpp"
-#include "../net/vomit.hpp"
#include "../mmo/config_parse.hpp"
#include "../mmo/core.hpp"
@@ -70,6 +69,8 @@
#include "../proto2/login-char.hpp"
#include "../proto2/login-user.hpp"
+#include "types.hpp"
+
#include "../poison.hpp"
constexpr int MAX_SERVERS = 30;
@@ -195,6 +196,7 @@ struct AuthFifo
};
static
Array<AuthFifo, AUTH_FIFO_SIZE> auth_fifo;
+// TODO replace with auto_fifo_it
static
int auth_fifo_pos = 0;
@@ -235,19 +237,6 @@ static
pid_t pid = 0; // For forked DB writes
-namespace e
-{
-enum class VERSION_2 : uint8_t
-{
- /// client supports updatehost
- UPDATEHOST = 0x01,
- /// send servers in forward order
- SERVERORDER = 0x02,
-};
-ENUM_BITWISE_OPERATORS(VERSION_2)
-}
-using e::VERSION_2;
-
//------------------------------
// Writing function of logs file
//------------------------------
@@ -729,7 +718,7 @@ auto iter_char_sessions() -> decltype(filter_iterator<Session *>(&server_session
// Send GM accounts to all char-server
//-----------------------------------------------------
static
-void send_GM_accounts(void)
+void send_GM_accounts(Session *only=nullptr)
{
std::vector<Packet_Repeat<0x2732>> tail;
@@ -744,6 +733,11 @@ void send_GM_accounts(void)
tail.push_back(item);
}
}
+ if (only)
+ {
+ send_packet_repeatonly<0x2732, 4, 5>(only, tail);
+ return;
+ }
for (Session *ss : iter_char_sessions())
{
send_packet_repeatonly<0x2732, 4, 5>(ss, tail);
@@ -2861,59 +2855,47 @@ static
void parse_login(Session *s)
{
struct mmo_account account;
- int result, j;
+ int result;
IP4Address ip = s->client_ip;
-
- while (RFIFOREST(s) >= 2)
+ RecvResult rv = RecvResult::Complete;
+ uint16_t packet_id;
+ while (rv == RecvResult::Complete && packet_peek_id(s, &packet_id))
{
if (display_parse_login == 1)
{
- if (RFIFOW(s, 0) == 0x64 || RFIFOW(s, 0) == 0x01dd)
+ if (packet_id == 0x64)
{
- if (RFIFOREST(s) >= ((RFIFOW(s, 0) == 0x64) ? 55 : 47))
- {
- AccountName account_name = stringish<AccountName>(RFIFO_STRING<24>(s, 6));
- PRINTF("parse_login: connection #%d, packet: 0x%x (with being read: %zu), account: %s.\n"_fmt,
- s, RFIFOW(s, 0), RFIFOREST(s),
- account_name);
- }
+ // handled below to handle account name
}
- else if (RFIFOW(s, 0) == 0x2710)
+ else if (packet_id == 0x2710)
{
- if (RFIFOREST(s) >= 86)
- {
- ServerName server_name = stringish<ServerName>(RFIFO_STRING<20>(s, 60));
- PRINTF("parse_login: connection #%d, packet: 0x%x (with being read: %zu), server: %s.\n"_fmt,
- s, RFIFOW(s, 0), RFIFOREST(s),
- server_name);
- }
+ // handled below to handle server name
}
else
PRINTF("parse_login: connection #%d, packet: 0x%x (with being read: %zu).\n"_fmt,
- s, RFIFOW(s, 0), RFIFOREST(s));
+ s, packet_id, packet_avail(s));
}
- switch (RFIFOW(s, 0))
+ switch (packet_id)
{
- case 0x200: // New alive packet: structure: 0x200 <account.userid>.24B. used to verify if client is always alive.
- if (RFIFOREST(s) < 26)
- return;
- RFIFOSKIP(s, 26);
- break;
-
- case 0x204: // New alive packet: structure: 0x204 <encrypted.account.userid>.16B. (new ragexe from 22 june 2004)
- if (RFIFOREST(s) < 18)
- return;
- RFIFOSKIP(s, 18);
- break;
-
case 0x64: // Ask connection of a client
- if (RFIFOREST(s) < 55)
- return;
+ {
+ Packet_Fixed<0x0064> fixed;
+ rv = recv_fpacket<0x0064, 55>(s, fixed);
+ if (rv != RecvResult::Complete)
+ break;
- account.userid = stringish<AccountName>(RFIFO_STRING<24>(s, 6).to_print());
- account.passwd = stringish<AccountPass>(RFIFO_STRING<24>(s, 30).to_print());
+ // formerly at top of while
+ {
+ AccountName account_name = fixed.account_name;
+ PRINTF("parse_login: connection #%d, packet: 0x%x (with being read: %zu), account: %s.\n"_fmt,
+ s, packet_id, packet_avail(s),
+ account_name);
+ }
+
+ account.userid = fixed.account_name;
+ account.passwd = fixed.account_pass;
account.passwdenc = 0;
LOGIN_LOG("Request for connection (non encryption mode) of %s (ip: %s).\n"_fmt,
@@ -2923,18 +2905,18 @@ void parse_login(Session *s)
{
LOGIN_LOG("Connection refused: IP isn't authorised (deny/allow, ip: %s).\n"_fmt,
ip);
- WFIFOW(s, 0) = 0x6a;
- WFIFOB(s, 2) = 0x03;
- WFIFO_ZERO(s, 3, 20);
- WFIFOSET(s, 23);
- RFIFOSKIP(s, 55);
+
+ Packet_Fixed<0x006a> fixed_6a;
+ fixed_6a.error_code = 0x03;
+ fixed_6a.error_message = {};
+ send_fpacket<0x006a, 23>(s, fixed_6a);
break;
}
result = mmo_auth(&account, s);
if (result == -1)
{
- VERSION_2 version_2 = static_cast<VERSION_2>(RFIFOB(s, 54));
+ VERSION_2 version_2 = fixed.version_2_flags;
if (!bool(version_2 & VERSION_2::UPDATEHOST)
|| !bool(version_2 & VERSION_2::SERVERORDER))
result = 5; // client too old
@@ -2947,9 +2929,9 @@ void parse_login(Session *s)
LOGIN_LOG("Connection refused: the minimum GM level for connection is %d (account: %s, GM level: %d, ip: %s).\n"_fmt,
min_level_to_connect, account.userid,
gm_level, ip);
- WFIFOW(s, 0) = 0x81;
- WFIFOB(s, 2) = 1; // 01 = Server closed
- WFIFOSET(s, 3);
+ Packet_Fixed<0x0081> fixed_81;
+ fixed_81.error_code = 1; // 01 = Server closed
+ send_fpacket<0x0081, 3>(s, fixed_81);
}
else
{
@@ -2977,45 +2959,43 @@ void parse_login(Session *s)
{
if (update_host)
{
- size_t host_len = update_host.size() + 1;
- WFIFOW(s, 0) = 0x63;
- WFIFOW(s, 2) = 4 + host_len;
- WFIFO_STRING(s, 4, update_host, host_len);
- WFIFOSET(s, 4 + host_len);
+ send_packet_repeatonly<0x0063, 4, 1>(s, update_host);
}
}
// Load list of char servers into outbound packet
- int server_num = 0;
+ std::vector<Packet_Repeat<0x0069>> repeat_69;
// if (version_2 & VERSION_2_SERVERORDER)
for (int i = 0; i < MAX_SERVERS; i++)
{
if (server_session[i])
{
+ Packet_Repeat<0x0069> info;
if (lan_ip_check(ip))
- WFIFOIP(s, 47 + server_num * 32) = lan_char_ip;
+ info.ip = lan_char_ip;
else
- WFIFOIP(s, 47 + server_num * 32) = server[i].ip;
- WFIFOW(s, 47 + server_num * 32 + 4) = server[i].port;
- WFIFO_STRING(s, 47 + server_num * 32 + 6, server[i].name, 20);
- WFIFOW(s, 47 + server_num * 32 + 26) = server[i].users;
- WFIFOW(s, 47 + server_num * 32 + 28) = 0; //maintenance;
- WFIFOW(s, 47 + server_num * 32 + 30) = 0; //is_new;
- server_num++;
+ info.ip = server[i].ip;
+ info.port = server[i].port;
+ info.server_name = server[i].name;
+ info.users = server[i].users;
+ info.maintenance = 0; //maintenance;
+ info.is_new = 0; //is_new;
+ repeat_69.push_back(info);
}
}
// if at least 1 char-server
- if (server_num > 0)
+ if (repeat_69.size())
{
- WFIFOW(s, 0) = 0x69;
- WFIFOW(s, 2) = 47 + 32 * server_num;
- WFIFOL(s, 4) = account.login_id1;
- WFIFOL(s, 8) = unwrap<AccountId>(account.account_id);
- WFIFOL(s, 12) = account.login_id2;
- WFIFOL(s, 16) = 0; // in old version, that was for ip (not more used)
- WFIFO_STRING(s, 20, account.lastlogin, 24); // in old version, that was for name (not more used)
- WFIFOB(s, 46) = static_cast<uint8_t>(account.sex);
- WFIFOSET(s, 47 + 32 * server_num);
+ Packet_Head<0x0069> head_69;
+ head_69.login_id1 = account.login_id1;
+ head_69.account_id = account.account_id;
+ head_69.login_id2 = account.login_id2;
+ head_69.unused = 0; // in old version, that was for ip (not more used)
+ head_69.last_login_string = account.lastlogin; // in old version, that was for name (not more used)
+ head_69.unused2 = 0;
+ head_69.sex = account.sex;
+ send_vpacket<0x0069, 47, 32>(s, head_69, repeat_69);
+
if (auth_fifo_pos >= AUTH_FIFO_SIZE)
auth_fifo_pos = 0;
auth_fifo[auth_fifo_pos].account_id =
@@ -3035,17 +3015,16 @@ void parse_login(Session *s)
{
LOGIN_LOG("Connection refused: there is no char-server online (account: %s, ip: %s).\n"_fmt,
account.userid, ip);
- WFIFOW(s, 0) = 0x81;
- WFIFOB(s, 2) = 1; // 01 = Server closed
- WFIFOSET(s, 3);
+ Packet_Fixed<0x0081> fixed_81;
+ fixed_81.error_code = 1; // 01 = Server closed
+ send_fpacket<0x0081, 3>(s, fixed_81);
}
}
}
else
{
- WFIFO_ZERO(s, 0, 23);
- WFIFOW(s, 0) = 0x6a;
- WFIFOB(s, 2) = result;
+ Packet_Fixed<0x006a> fixed_6a;
+ fixed_6a.error_code = result;
if (result == 6)
{
// 6 = Your are Prohibited to log in until %s
@@ -3057,31 +3036,42 @@ void parse_login(Session *s)
// if account is banned, we send ban timestamp
timestamp_seconds_buffer tmpstr;
stamp_time(tmpstr, &ad->ban_until_time);
- WFIFO_STRING(s, 3, tmpstr, 20);
+ fixed_6a.error_message = tmpstr;
}
else
{ // we send error message
- WFIFO_STRING(s, 3, ad->error_message, 20);
+ fixed_6a.error_message = ad->error_message;
}
}
}
- WFIFOSET(s, 23);
+ send_fpacket<0x006a, 23>(s, fixed_6a);
}
- RFIFOSKIP(s, (RFIFOW(s, 0) == 0x64) ? 55 : 47);
break;
+ }
case 0x2710: // Connection request of a char-server
- if (RFIFOREST(s) < 86)
- return;
+ {
+ Packet_Fixed<0x2710> fixed;
+ rv = recv_fpacket<0x2710, 86>(s, fixed);
+ if (rv != RecvResult::Complete)
+ break;
+
+ // formerly at top of while
+ {
+ ServerName server_name = stringish<ServerName>(fixed.server_name);
+ PRINTF("parse_login: connection #%d, packet: 0x%x (with being read: %zu), server: %s.\n"_fmt,
+ s, packet_id, packet_avail(s),
+ server_name);
+ }
+
{
// TODO: this is exceptionally silly. Fix it.
- int len;
- account.userid = stringish<AccountName>(RFIFO_STRING<24>(s, 2).to_print());
- account.passwd = stringish<AccountPass>(RFIFO_STRING<24>(s, 26).to_print());
+ account.userid = stringish<AccountName>(fixed.account_name.to_print());
+ account.passwd = stringish<AccountPass>(fixed.account_pass.to_print());
account.passwdenc = 0;
- ServerName server_name = stringish<ServerName>(RFIFO_STRING<20>(s, 60).to_print());
+ ServerName server_name = stringish<ServerName>(fixed.server_name.to_print());
LOGIN_LOG("Connection request of the char-server '%s' @ %s:%d (ip: %s)\n"_fmt,
- server_name, RFIFOIP(s, 54), RFIFOW(s, 58), ip);
+ server_name, fixed.ip, fixed.port, ip);
if (account.userid == userid && account.passwd == passwd)
{
// If this is the main server, and we don't already have a main server
@@ -3114,8 +3104,8 @@ void parse_login(Session *s)
PRINTF("Connection of the char-server '%s' accepted.\n"_fmt,
server_name);
server[unwrap<AccountId>(account.account_id)] = mmo_char_server{};
- server[unwrap<AccountId>(account.account_id)].ip = RFIFOIP(s, 54);
- server[unwrap<AccountId>(account.account_id)].port = RFIFOW(s, 58);
+ server[unwrap<AccountId>(account.account_id)].ip = fixed.ip;
+ server[unwrap<AccountId>(account.account_id)].port = fixed.port;
server[unwrap<AccountId>(account.account_id)].name = server_name;
server[unwrap<AccountId>(account.account_id)].users = 0;
//maintenance = RFIFOW(fd, 82);
@@ -3123,24 +3113,16 @@ void parse_login(Session *s)
server_session[unwrap<AccountId>(account.account_id)] = s;
if (anti_freeze_enable)
server_freezeflag[unwrap<AccountId>(account.account_id)] = 5; // Char-server anti-freeze system. Counter. 5 ok, 4...0 freezed
- WFIFOW(s, 0) = 0x2711;
- WFIFOB(s, 2) = 0;
- WFIFOSET(s, 3);
+
+ Packet_Fixed<0x2711> fixed_11;
+ fixed_11.code = 0;
+ send_fpacket<0x2711, 3>(s, fixed_11);
+
s->set_parsers(SessionParsers{.func_parse= parse_fromchar, .func_delete= delete_fromchar});
realloc_fifo(s, FIFOSIZE_SERVERLINK, FIFOSIZE_SERVERLINK);
+
// send GM account to char-server
- len = 4;
- WFIFOW(s, 0) = 0x2732;
- for (const AuthData& ad : auth_data)
- // send only existing accounts. We can not create a GM account when server is online.
- if (GmLevel GM_value = isGM(ad.account_id))
- {
- WFIFOL(s, len) = unwrap<AccountId>(ad.account_id);
- WFIFOB(s, len + 4) = static_cast<uint8_t>(GM_value.get_all_bits());
- len += 5;
- }
- WFIFOW(s, 2) = len;
- WFIFOSET(s, len);
+ send_GM_accounts(s);
goto x2710_done;
}
{
@@ -3148,39 +3130,56 @@ void parse_login(Session *s)
LOGIN_LOG("Connexion of the char-server '%s' REFUSED (account: %s, pass: %s, ip: %s)\n"_fmt,
server_name, account.userid,
account.passwd, ip);
- WFIFOW(s, 0) = 0x2711;
- WFIFOB(s, 2) = 3;
- WFIFOSET(s, 3);
+ Packet_Fixed<0x2711> fixed_11;
+ fixed_11.code = 3;
+ send_fpacket<0x2711, 3>(s, fixed_11);
}
}
x2710_done:
- RFIFOSKIP(s, 86);
+ // justification: we switching the packet parser
+ parse_fromchar(s);
return;
+ }
case 0x7530: // Request of the server version
+ {
+ Packet_Fixed<0x7530> fixed;
+ rv = recv_fpacket<0x7530, 2>(s, fixed);
+ if (rv != RecvResult::Complete)
+ break;
+
LOGIN_LOG("Sending of the server version (ip: %s)\n"_fmt,
ip);
- WFIFOW(s, 0) = 0x7531;
- {
+
+ Packet_Fixed<0x7531> fixed_31;
Version version = CURRENT_LOGIN_SERVER_VERSION;
version.flags = new_account ? 1 : 0;
- WFIFO_STRUCT(s, 2, version);
- WFIFOSET(s, 10);
- }
- RFIFOSKIP(s, 2);
+ fixed_31.version = version;
+ send_fpacket<0x7531, 10>(s, fixed_31);
break;
+ }
case 0x7532: // Request to end connection
+ {
+ Packet_Fixed<0x7532> fixed;
+ rv = recv_fpacket<0x7532, 2>(s, fixed);
+ if (rv != RecvResult::Complete)
+ break;
+
LOGIN_LOG("End of connection (ip: %s)\n"_fmt, ip);
s->set_eof();
return;
+ }
case 0x7918: // Request for administation login
- if (RFIFOREST(s) < 4
- || RFIFOREST(s) < ((RFIFOW(s, 2) == 0) ? 28 : 20))
- return;
- WFIFOW(s, 0) = 0x7919;
- WFIFOB(s, 2) = 1;
+ {
+ Packet_Fixed<0x7918> fixed;
+ rv = recv_fpacket<0x7918, 28>(s, fixed);
+ if (rv != RecvResult::Complete)
+ break;
+
+ Packet_Fixed<0x7919> fixed_19;
+ fixed_19.error = 1;
if (!check_ladminip(s->client_ip))
{
LOGIN_LOG("'ladmin'-login: Connection in administration mode refused: IP isn't authorised (ladmin_allow, ip: %s).\n"_fmt,
@@ -3188,10 +3187,10 @@ void parse_login(Session *s)
}
else
{
- if (RFIFOW(s, 2) == 0)
+ if (fixed.encryption_zero == 0)
{
// non encrypted password
- AccountPass password = stringish<AccountPass>(RFIFO_STRING<24>(s, 4).to_print());
+ AccountPass password = stringish<AccountPass>(fixed.account_pass.to_print());
// If remote administration is enabled and password sent by client matches password read from login server configuration file
if ((admin_state == 1)
&& (password == admin_pass))
@@ -3199,7 +3198,7 @@ void parse_login(Session *s)
LOGIN_LOG("'ladmin'-login: Connection in administration mode accepted (non encrypted password: %s, ip: %s)\n"_fmt,
password, ip);
PRINTF("Connection of a remote administration accepted (non encrypted password).\n"_fmt);
- WFIFOB(s, 2) = 0;
+ fixed_19.error = 0;
s->set_parsers(SessionParsers{.func_parse= parse_admin, .func_delete= delete_admin});
}
else if (admin_state != 1)
@@ -3218,11 +3217,12 @@ void parse_login(Session *s)
}
}
}
- WFIFOSET(s, 3);
- RFIFOSKIP(s, (RFIFOW(s, 2) == 0) ? 28 : 20);
+ send_fpacket<0x7919, 3>(s, fixed_19);
break;
+ }
default:
+ {
if (save_unknown_packets)
{
io::AppendFile logfp(login_log_unknown_packets_filename);
@@ -3235,48 +3235,16 @@ void parse_login(Session *s)
timestr);
FPRINTF(logfp,
"parse_login: connection #%d (ip: %s), packet: 0x%x (with being read: %zu).\n"_fmt,
- s, ip, RFIFOW(s, 0),
- RFIFOREST(s));
+ s, ip, packet_id,
+ packet_avail(s));
FPRINTF(logfp, "Detail (in hex):\n"_fmt);
- FPRINTF(logfp,
- "---- 00-01-02-03-04-05-06-07 08-09-0A-0B-0C-0D-0E-0F\n"_fmt);
-
- char tmpstr[16 + 1] {};
-
- int i;
- for (i = 0; i < RFIFOREST(s); i++)
- {
- if ((i & 15) == 0)
- FPRINTF(logfp, "%04X "_fmt, i);
- FPRINTF(logfp, "%02x "_fmt, RFIFOB(s, i));
- if (RFIFOB(s, i) > 0x1f)
- tmpstr[i % 16] = RFIFOB(s, i);
- else
- tmpstr[i % 16] = '.';
- if ((i - 7) % 16 == 0) // -8 + 1
- FPRINTF(logfp, " "_fmt);
- else if ((i + 1) % 16 == 0)
- {
- FPRINTF(logfp, " %s\n"_fmt, tmpstr);
- std::fill(tmpstr + 0, tmpstr + 17, '\0');
- }
- }
- if (i % 16 != 0)
- {
- for (j = i; j % 16 != 0; j++)
- {
- FPRINTF(logfp, " "_fmt);
- if ((j - 7) % 16 == 0) // -8 + 1
- FPRINTF(logfp, " "_fmt);
- }
- FPRINTF(logfp, " %s\n"_fmt, tmpstr);
- }
- FPRINTF(logfp, "\n"_fmt);
+ packet_dump(logfp, s);
}
}
LOGIN_LOG("End of connection, unknown packet (ip: %s)\n"_fmt, ip);
s->set_eof();
return;
+ }
}
}
return;