]> arthur.barton.de Git - ngircd-alex.git/blobdiff - src/ngircd/client.c
Move client password from the Client to the Connection struct.
[ngircd-alex.git] / src / ngircd / client.c
index 1aaf687ce6995e8f958daf7d4b98860084234d9a..5ca99c03570c20b97bb92ab40b58f0c82c6f5f27 100644 (file)
@@ -37,6 +37,7 @@
 #include "ngircd.h"
 #include "channel.h"
 #include "conf.h"
+#include "conn-func.h"
 #include "hash.h"
 #include "irc-write.h"
 #include "log.h"
@@ -69,6 +70,8 @@ static CLIENT *Init_New_Client PARAMS((CONN_ID Idx, CLIENT *Introducer,
 static void Destroy_UserOrService PARAMS((CLIENT *Client,const char *Txt, const char *FwdMsg,
                                        bool SendQuit));
 
+static void cb_introduceClient PARAMS((CLIENT *Client, CLIENT *Prefix,
+                                      void *i));
 
 GLOBAL void
 Client_Init( void )
@@ -186,7 +189,6 @@ Init_New_Client(CONN_ID Idx, CLIENT *Introducer, CLIENT *TopServer,
 
        assert(Idx >= NONE);
        assert(Introducer != NULL);
-       assert(Hostname != NULL);
 
        client = New_Client_Struct();
        if (!client)
@@ -313,16 +315,35 @@ Client_Destroy( CLIENT *Client, const char *LogMsg, const char *FwdMsg, bool Sen
 } /* Client_Destroy */
 
 
+/**
+ * Set client hostname.
+ *
+ * If global hostname cloaking is in effect, don't set the real hostname
+ * but the configured one.
+ *
+ * @param Client The client of which the hostname should be set.
+ * @param Hostname The new hostname.
+ */
 GLOBAL void
 Client_SetHostname( CLIENT *Client, const char *Hostname )
 {
-       assert( Client != NULL );
-       assert( Hostname != NULL );
+       assert(Client != NULL);
+       assert(Hostname != NULL);
 
        if (strlen(Conf_CloakHost)) {
-               strlcpy( Client->host, Conf_CloakHost, sizeof( Client->host ));
+               char cloak[GETID_LEN];
+
+               strlcpy(cloak, Hostname, GETID_LEN);
+               strlcat(cloak, Conf_CloakHostSalt, GETID_LEN);
+               snprintf(cloak, GETID_LEN, Conf_CloakHost, Hash(cloak));
+
+               LogDebug("Updating hostname of \"%s\": \"%s\" -> \"%s\"",
+                       Client_ID(Client), Client->host, cloak);
+               strlcpy(Client->host, cloak, sizeof(Client->host));
        } else {
-               strlcpy( Client->host, Hostname, sizeof( Client->host ));
+               LogDebug("Updating hostname of \"%s\": \"%s\" -> \"%s\"",
+                        Client_ID(Client), Client->host, Hostname);
+               strlcpy(Client->host, Hostname, sizeof(Client->host));
        }
 } /* Client_SetHostname */
 
@@ -419,18 +440,6 @@ Client_SetFlags( CLIENT *Client, const char *Flags )
 } /* Client_SetFlags */
 
 
-GLOBAL void
-Client_SetPassword( CLIENT *Client, const char *Pwd )
-{
-       /* set password sent by client */
-
-       assert( Client != NULL );
-       assert( Pwd != NULL );
-
-       strlcpy(Client->pwd, Pwd, sizeof(Client->pwd));
-} /* Client_SetPassword */
-
-
 GLOBAL void
 Client_SetAway( CLIENT *Client, const char *Txt )
 {
@@ -693,14 +702,6 @@ Client_HostnameCloaked(CLIENT *Client)
 } /* Client_HostnameCloaked */
 
 
-GLOBAL char *
-Client_Password( CLIENT *Client )
-{
-       assert( Client != NULL );
-       return Client->pwd;
-} /* Client_Password */
-
-
 GLOBAL char *
 Client_Modes( CLIENT *Client )
 {
@@ -802,15 +803,25 @@ GLOBAL char *
 Client_MaskCloaked(CLIENT *Client)
 {
        static char Mask_Buffer[GETID_LEN];
+       char Cloak_Buffer[GETID_LEN];
 
        assert (Client != NULL);
 
        /* Is the client using cloaking at all? */
        if (!Client_HasMode(Client, 'x'))
-           return Client_Mask(Client);
+               return Client_Mask(Client);
+
+       if(*Conf_CloakHostModeX) {
+               strlcpy(Cloak_Buffer, Client->host, GETID_LEN);
+               strlcat(Cloak_Buffer, Conf_CloakHostSalt, GETID_LEN);
+               snprintf(Cloak_Buffer, GETID_LEN, Conf_CloakHostModeX, Hash(Cloak_Buffer));
+       } else {
+               strncpy(Cloak_Buffer, Client_ID(Client->introducer), GETID_LEN);
+       }
 
        snprintf(Mask_Buffer, GETID_LEN, "%s!%s@%s",
-                Client->id, Client->user, Client_ID(Client->introducer));
+               Client->id, Client->user, Cloak_Buffer);
+
        return Mask_Buffer;
 } /* Client_MaskCloaked */
 
@@ -1130,6 +1141,46 @@ Client_Reject(CLIENT *Client, const char *Reason, bool InformClient)
 }
 
 
+/**
+ * Introduce a new user or service client in the network.
+ *
+ * @param From Remote server introducing the client or NULL (local).
+ * @param Client New client.
+ * @param Type Type of the client (CLIENT_USER or CLIENT_SERVICE).
+ */
+GLOBAL void
+Client_Introduce(CLIENT *From, CLIENT *Client, int Type)
+{
+       /* Set client type (user or service) */
+       Client_SetType(Client, Type);
+
+       if (From) {
+               if (Conf_IsService(Conf_GetServer(Client_Conn(From)),
+                                  Client_ID(Client)))
+                       Client_SetType(Client, CLIENT_SERVICE);
+               LogDebug("%s \"%s\" (+%s) registered (via %s, on %s, %d hop%s).",
+                        Client_TypeText(Client), Client_Mask(Client),
+                        Client_Modes(Client), Client_ID(From),
+                        Client_ID(Client_Introducer(Client)),
+                        Client_Hops(Client), Client_Hops(Client) > 1 ? "s": "");
+       } else {
+               Log(LOG_NOTICE, "%s \"%s\" registered (connection %d).",
+                   Client_TypeText(Client), Client_Mask(Client),
+                   Client_Conn(Client));
+               Log_ServerNotice('c', "Client connecting: %s (%s@%s) [%s] - %s",
+                                Client_ID(Client), Client_User(Client),
+                                Client_Hostname(Client),
+                                Conn_IPA(Client_Conn(Client)),
+                                Client_TypeText(Client));
+       }
+
+       /* Inform other servers */
+       IRC_WriteStrServersPrefixFlag_CB(From,
+                               From != NULL ? From : Client_ThisServer(),
+                               '\0', cb_introduceClient, (void *)Client);
+} /* Client_Introduce */
+
+
 static unsigned long
 Count( CLIENT_TYPE Type )
 {
@@ -1349,6 +1400,59 @@ Destroy_UserOrService(CLIENT *Client, const char *Txt, const char *FwdMsg, bool
 } /* Destroy_UserOrService */
 
 
+/**
+ * Introduce a new user or service client to a remote server.
+ *
+ * This function differentiates between RFC1459 and RFC2813 server links and
+ * generates the appropriate commands to register the new user or service.
+ *
+ * @param To           The remote server to inform.
+ * @param Prefix       Prefix for the generated commands.
+ * @param data         CLIENT structure of the new client.
+ */
+static void
+cb_introduceClient(CLIENT *To, CLIENT *Prefix, void *data)
+{
+       CLIENT *c = (CLIENT *)data;
+       CONN_ID conn;
+       char *modes, *user, *host;
+
+       modes = Client_Modes(c);
+       user = Client_User(c) ? Client_User(c) : "-";
+       host = Client_Hostname(c) ? Client_Hostname(c) : "-";
+
+       conn = Client_Conn(To);
+       if (Conn_Options(conn) & CONN_RFC1459) {
+               /* RFC 1459 mode: separate NICK and USER commands */
+               Conn_WriteStr(conn, "NICK %s :%d", Client_ID(c),
+                             Client_Hops(c) + 1);
+               Conn_WriteStr(conn, ":%s USER %s %s %s :%s",
+                             Client_ID(c), user, host,
+                             Client_ID(Client_Introducer(c)), Client_Info(c));
+               if (modes[0])
+                       Conn_WriteStr(conn, ":%s MODE %s +%s",
+                                     Client_ID(c), Client_ID(c), modes);
+       } else {
+               /* RFC 2813 mode: one combined NICK or SERVICE command */
+               if (Client_Type(c) == CLIENT_SERVICE
+                   && strchr(Client_Flags(To), 'S'))
+                       IRC_WriteStrClientPrefix(To, Prefix,
+                                                "SERVICE %s %d * +%s %d :%s",
+                                                Client_Mask(c),
+                                                Client_MyToken(Client_Introducer(c)),
+                                                Client_Modes(c), Client_Hops(c) + 1,
+                                                Client_Info(c));
+               else
+                       IRC_WriteStrClientPrefix(To, Prefix,
+                                                "NICK %s %d %s %s %d +%s :%s",
+                                                Client_ID(c), Client_Hops(c) + 1,
+                                                user, host,
+                                                Client_MyToken(Client_Introducer(c)),
+                                                modes, Client_Info(c));
+       }
+} /* cb_introduceClient */
+
+
 #ifdef DEBUG
 
 GLOBAL void