]> arthur.barton.de Git - ngircd-alex.git/blobdiff - src/ngircd/login.c
Test suite/platformtest.sh: Detect when tests have been skipped
[ngircd-alex.git] / src / ngircd / login.c
index 2c305402d77893158ac009ad989303ed53a8ddbf..64cc81251c6594cbd129a56270262fa9fede6c19 100644 (file)
@@ -1,6 +1,6 @@
 /*
  * ngIRCd -- The Next Generation IRC Daemon
- * Copyright (c)2001-2012 Alexander Barton (alex@barton.de) and Contributors.
+ * Copyright (c)2001-2014 Alexander Barton (alex@barton.de) and Contributors.
  *
  * 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
  * Functions to deal with client logins
  */
 
-#include "imp.h"
 #include <assert.h>
 #include <stdlib.h>
-#include <strings.h>
+#include <stdio.h>
+#include <string.h>
 #include <unistd.h>
 
-#include "defines.h"
 #include "conn.h"
 #include "class.h"
-#include "client.h"
+#include "client-cap.h"
 #include "channel.h"
 #include "conf.h"
-#include "io.h"
 #include "parse.h"
 #include "log.h"
 #include "messages.h"
 #include "ngircd.h"
-#include "pam.h"
 #include "irc-info.h"
+#include "irc-mode.h"
 #include "irc-write.h"
 
-#include "exp.h"
 #include "login.h"
 
 #ifdef PAM
+
+#include "io.h"
+#include "pam.h"
+
 static void cb_Read_Auth_Result PARAMS((int r_fd, UNUSED short events));
+
 #endif
 
 /**
@@ -78,19 +80,26 @@ Login_User(CLIENT * Client)
        }
 #endif
 
+       /* Still waiting for "CAP END" command? */
+       if (Client_Cap(Client) & CLIENT_CAP_PENDING) {
+               Client_SetType(Client, CLIENT_WAITCAPEND);
+               LogDebug("Connection %d: Waiting for CAP END ...", conn);
+               return CONNECTED;
+       }
+
 #ifdef PAM
        if (!Conf_PAM) {
-               /* Don't do any PAM authentication at all, instead emulate
-                * the beahiour of the daemon compiled without PAM support:
-                * because there can't be any "server password", all
-                * passwords supplied are classified as "wrong". */
-               if(Client_Password(Client)[0] == '\0')
+               /* Don't do any PAM authentication at all if PAM is not
+                * enabled, instead emulate the behavior of the daemon
+                * compiled without PAM support. */
+               if (strcmp(Conn_Password(conn), Conf_ServerPwd) == 0) 
                        return Login_User_PostAuth(Client);
-               Client_Reject(Client, "Non-empty password", false);
+               Client_Reject(Client, "Bad server password", false);
                return DISCONNECTED;
        }
 
-       if (Conf_PAMIsOptional && strcmp(Client_Password(Client), "") == 0) {
+       if (Conf_PAMIsOptional &&
+           strcmp(Conn_Password(conn), "") == 0) {
                /* Clients are not required to send a password and to be PAM-
                 * authenticated at all. If not, they won't become "identified"
                 * and keep the "~" in their supplied user name.
@@ -99,28 +108,30 @@ Login_User(CLIENT * Client)
                return Login_User_PostAuth(Client);
        }
 
-       /* Fork child process for PAM authentication; and make sure that the
-        * process timeout is set higher than the login timeout! */
-       pid = Proc_Fork(Conn_GetProcStat(conn), pipefd,
-                       cb_Read_Auth_Result, Conf_PongTimeout + 1);
-       if (pid > 0) {
-               LogDebug("Authenticator for connection %d created (PID %d).",
-                        conn, pid);
-               return CONNECTED;
-       } else {
-               /* Sub process */
-               Log_Init_Subprocess("Auth");
-               Conn_CloseAllSockets(NONE);
-               result = PAM_Authenticate(Client);
-               if (write(pipefd[1], &result, sizeof(result)) != sizeof(result))
-                       Log_Subprocess(LOG_ERR,
-                                      "Failed to pipe result to parent!");
-               Log_Exit_Subprocess("Auth");
-               exit(0);
-       }
+       if (Conf_PAM) {
+               /* Fork child process for PAM authentication; and make sure that the
+                * process timeout is set higher than the login timeout! */
+               pid = Proc_Fork(Conn_GetProcStat(conn), pipefd,
+                               cb_Read_Auth_Result, Conf_PongTimeout + 1);
+               if (pid > 0) {
+                       LogDebug("Authenticator for connection %d created (PID %d).",
+                                conn, pid);
+                       return CONNECTED;
+               } else {
+                       /* Sub process */
+                       Log_Init_Subprocess("Auth");
+                       Conn_CloseAllSockets(NONE);
+                       result = PAM_Authenticate(Client);
+                       if (write(pipefd[1], &result, sizeof(result)) != sizeof(result))
+                               Log_Subprocess(LOG_ERR,
+                                              "Failed to pipe result to parent!");
+                       Log_Exit_Subprocess("Auth");
+                       exit(0);
+               }
+       } else return CONNECTED;
 #else
        /* Check global server password ... */
-       if (strcmp(Client_Password(Client), Conf_ServerPwd) != 0) {
+       if (strcmp(Conn_Password(conn), Conf_ServerPwd) != 0) {
                /* Bad password! */
                Client_Reject(Client, "Bad server password", false);
                return DISCONNECTED;
@@ -141,6 +152,9 @@ Login_User(CLIENT * Client)
 GLOBAL bool
 Login_User_PostAuth(CLIENT *Client)
 {
+       REQUEST Req;
+       char modes[CLIENT_MODE_LEN + 1];
+
        assert(Client != NULL);
 
        if (Class_HandleServerBans(Client) != CONNECTED)
@@ -153,8 +167,8 @@ Login_User_PostAuth(CLIENT *Client)
                return false;
        if (!IRC_WriteStrClient
            (Client, RPL_YOURHOST_MSG, Client_ID(Client),
-            Client_ID(Client_ThisServer()), PACKAGE_VERSION, TARGET_CPU,
-            TARGET_VENDOR, TARGET_OS))
+            Client_ID(Client_ThisServer()), PACKAGE_VERSION, HOST_CPU,
+            HOST_VENDOR, HOST_OS))
                return false;
        if (!IRC_WriteStrClient
            (Client, RPL_CREATED_MSG, Client_ID(Client), NGIRCd_StartStr))
@@ -175,8 +189,17 @@ Login_User_PostAuth(CLIENT *Client)
        if (!IRC_Show_MOTD(Client))
                return DISCONNECTED;
 
-       /* Suspend the client for a second ... */
-       IRC_SetPenalty(Client, 1);
+       /* Set default user modes */
+       if (Conf_DefaultUserModes[0]) {
+               snprintf(modes, sizeof(modes), "+%s", Conf_DefaultUserModes);
+               Req.prefix = Client_ID(Client_ThisServer());
+               Req.command = "MODE";
+               Req.argc = 2;
+               Req.argv[0] = Client_ID(Client);
+               Req.argv[1] = modes;
+               IRC_MODE(Client, &Req);
+       } else
+               IRC_SetPenalty(Client, 1);
 
        return CONNECTED;
 }
@@ -184,7 +207,7 @@ Login_User_PostAuth(CLIENT *Client)
 #ifdef PAM
 
 /**
- * Read result of the authenticatior sub-process from pipe
+ * Read result of the authenticator sub-process from pipe
  *
  * @param r_fd         File descriptor of the pipe.
  * @param events       (ignored IO specification)
@@ -192,6 +215,7 @@ Login_User_PostAuth(CLIENT *Client)
 static void
 cb_Read_Auth_Result(int r_fd, UNUSED short events)
 {
+       char user[CLIENT_USER_LEN], *ptr;
        CONN_ID conn;
        CLIENT *client;
        int result;
@@ -223,7 +247,14 @@ cb_Read_Auth_Result(int r_fd, UNUSED short events)
        }
 
        if (result == true) {
-               Client_SetUser(client, Client_OrigUser(client), true);
+               /* Authentication succeeded, now set the correct user name
+                * supplied by the client (without prepended '~' for exmaple),
+                * but cut it at the first '@' character: */
+               strlcpy(user, Client_OrigUser(client), sizeof(user));
+               ptr = strchr(user, '@');
+               if (ptr)
+                       *ptr = '\0';
+               Client_SetUser(client, user, true);
                (void)Login_User_PostAuth(client);
        } else
                Client_Reject(client, "Bad password", false);