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-rw-r--r--conf/login_athena.conf12
-rw-r--r--src/login/login.c68
-rw-r--r--src/login/login.h13
3 files changed, 92 insertions, 1 deletions
diff --git a/conf/login_athena.conf b/conf/login_athena.conf
index 5c2afa8d9..3ad5db762 100644
--- a/conf/login_athena.conf
+++ b/conf/login_athena.conf
@@ -135,5 +135,17 @@ account.engine: auto
//account.sql.account_db: login
//account.sql.accreg_db: global_reg_value
+// Client MD5 hash check
+// Check client hash?
+client_hash_check: off
+
+// Put your client hashes here, a player can login into the server using
+// a hash with a group_id equal or lower the account group_id
+// Follow the model(without the //):
+// client_hash: group_id, hash
+// Examples:
+client_hash: 0, 113e195e6c051bb1cfb12a644bb084c5
+client_hash: 99, cb1ea78023d337c38e8ba5124e2338ae
+
import: conf/inter_athena.conf
import: conf/import/login_conf.txt
diff --git a/src/login/login.c b/src/login/login.c
index 687dd172c..a0a34f36d 100644
--- a/src/login/login.c
+++ b/src/login/login.c
@@ -1067,6 +1067,41 @@ int mmo_auth(struct login_session_data* sd)
ShowNotice("Connection refused (account: %s, pass: %s, state: %d, ip: %s)\n", sd->userid, sd->passwd, acc.state, ip);
return acc.state - 1;
}
+
+ if( login_config.client_hash_check )
+ {
+ struct client_hash_node *node = login_config.client_hash_nodes;
+ bool match = false;
+
+ if( !sd->has_client_hash )
+ {
+ ShowNotice("Client doesn't sent client hash (account: %s, pass: %s, ip: %s)\n", sd->userid, sd->passwd, acc.state, ip);
+ return 5;
+ }
+
+ while( node )
+ {
+ if( node->group_id <= acc.group_id && memcmp(node->hash, sd->client_hash, 16) == 0 )
+ {
+ match = true;
+ break;
+ }
+
+ node = node->next;
+ }
+
+ if( !match )
+ {
+ char smd5[33];
+ int i;
+
+ for( i = 0; i < 16; i++ )
+ sprintf(&smd5[i * 2], "%02x", sd->client_hash[i]);
+
+ ShowNotice("Invalid client hash (account: %s, pass: %s, sent md5: %d, ip: %s)\n", sd->userid, sd->passwd, smd5, ip);
+ return 5;
+ }
+ }
ShowNotice("Authentication accepted (account: %s, id: %d, ip: %s)\n", sd->userid, acc.account_id, ip);
@@ -1338,6 +1373,10 @@ int parse_login(int fd)
case 0x0204: // S 0204 <md5 hash>.16B (kRO 2004-05-31aSakexe langtype 0 and 6)
if (RFIFOREST(fd) < 18)
return 0;
+
+ sd->has_client_hash = 1;
+ memcpy(sd->client_hash, RFIFOP(fd, 2), 16);
+
RFIFOSKIP(fd,18);
break;
@@ -1556,6 +1595,9 @@ void login_set_defaults()
login_config.use_dnsbl = false;
safestrncpy(login_config.dnsbl_servs, "", sizeof(login_config.dnsbl_servs));
safestrncpy(login_config.account_engine, "auto", sizeof(login_config.account_engine));
+
+ login_config.client_hash_check = 0;
+ login_config.client_hash_nodes = NULL;
}
//-----------------------------------
@@ -1631,6 +1673,32 @@ int login_config_read(const char* cfgName)
login_config.ipban_cleanup_interval = (unsigned int)atoi(w2);
else if(!strcmpi(w1, "ip_sync_interval"))
login_config.ip_sync_interval = (unsigned int)1000*60*atoi(w2); //w2 comes in minutes.
+ else if(!strcmpi(w1, "client_hash_check"))
+ login_config.client_hash_check = config_switch(w2);
+ else if(!strcmpi(w1, "client_hash")) {
+ int group = 0;
+ char md5[33];
+ int i;
+
+ if (sscanf(w2, "%d, %32s", &group, md5) == 2) {
+ struct client_hash_node *nnode;
+ CREATE(nnode, struct client_hash_node, 1);
+
+ for (i = 0; i < 32; i += 2) {
+ char buf[3];
+
+ memcpy(buf, &md5[i], 2);
+ buf[2] = 0;
+
+ sscanf(buf, "%x", &nnode->hash[i / 2]);
+ }
+
+ nnode->group_id = group;
+ nnode->next = login_config.client_hash_nodes;
+
+ login_config.client_hash_nodes = nnode;
+ }
+ }
else if(!strcmpi(w1, "import"))
login_config_read(w2);
else
diff --git a/src/login/login.h b/src/login/login.h
index e79f44626..bedf5e179 100644
--- a/src/login/login.h
+++ b/src/login/login.h
@@ -21,7 +21,6 @@ enum E_LOGINSERVER_ST
#define PASSWORDENC 3
struct login_session_data {
-
int account_id;
long login_id1;
long login_id2;
@@ -38,6 +37,9 @@ struct login_session_data {
uint8 clienttype;
uint32 version;
+ uint8 client_hash[16];
+ int has_client_hash;
+
int fd;
};
@@ -52,6 +54,12 @@ struct mmo_char_server {
uint16 new_; // should display as 'new'?
};
+struct client_hash_node {
+ int group_id;
+ uint8 hash[16];
+ struct client_hash_node *next;
+};
+
struct Login_Config {
uint32 login_ip; // the address to bind to
@@ -78,6 +86,9 @@ struct Login_Config {
char dnsbl_servs[1024]; // comma-separated list of dnsbl servers
char account_engine[256]; // name of the engine to use (defaults to auto, for the first available engine)
+
+ int client_hash_check; // flags for checking client md5
+ struct client_hash_node *client_hash_nodes; // linked list containg md5 hash for each gm group
};
#define sex_num2str(num) ( (num == SEX_FEMALE ) ? 'F' : (num == SEX_MALE ) ? 'M' : 'S' )