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FA322CFF0CEF74B1001761B3 /* lists.h */,
FA322D000CEF74B1001761B3 /* log.c */,
FA322D010CEF74B1001761B3 /* log.h */,
+ FAD5853615272C2500328741 /* login.c */,
+ FAD5853715272C2500328741 /* login.h */,
FA322D030CEF74B1001761B3 /* match.c */,
FA322D040CEF74B1001761B3 /* match.h */,
FA322D050CEF74B1001761B3 /* messages.h */,
FA2D564A11EA158B00D37A35 /* pam.c in Sources */,
FAA97C57124A271400D5BBA9 /* sighandlers.c in Sources */,
FAACD5F514A6099C006ED74F /* class.c in Sources */,
+ FAD5853815272C2600328741 /* login.c in Sources */,
);
runOnlyForDeploymentPostprocessing = 0;
};
irc-write.c \
lists.c \
log.c \
+ login.c \
match.c \
numeric.c \
op.c \
irc-write.h \
lists.h \
log.h \
+ login.h \
match.h \
messages.h \
numeric.h \
#include "imp.h"
#include <assert.h>
-#include <stdio.h>
#include <stdlib.h>
-#include <string.h>
#include <strings.h>
-#include <signal.h>
-#include <unistd.h>
-#include "ngircd.h"
#include "conn-func.h"
#include "class.h"
#include "conf.h"
#include "channel.h"
-#include "io.h"
#include "log.h"
+#include "login.h"
#include "messages.h"
-#include "pam.h"
#include "parse.h"
#include "irc.h"
#include "irc-info.h"
#include "exp.h"
#include "irc-login.h"
-
-static bool Hello_User PARAMS(( CLIENT *Client ));
-static bool Hello_User_PostAuth PARAMS(( CLIENT *Client ));
static void Kill_Nick PARAMS(( char *Nick, char *Reason ));
-#ifdef PAM
-static void cb_Read_Auth_Result PARAMS((int r_fd, UNUSED short events));
-#endif
/**
* Handler for the IRC "PASS" command.
/* If we received a valid USER command already then
* register the new client! */
if( Client_Type( Client ) == CLIENT_GOTUSER )
- return Hello_User( Client );
+ return Login_User( Client );
else
Client_SetType( Client, CLIENT_GOTNICK );
} else {
LogDebug("Connection %d: got valid USER command ...",
Client_Conn(Client));
if (Client_Type(Client) == CLIENT_GOTNICK)
- return Hello_User(Client);
+ return Login_User(Client);
else
Client_SetType(Client, CLIENT_GOTUSER);
return CONNECTED;
if (auth_ping == atoi(Req->argv[0])) {
Conn_SetAuthPing(conn, 0);
if (Client_Type(Client) == CLIENT_WAITAUTHPING)
- Hello_User(Client);
+ Login_User(Client);
} else
if (!IRC_WriteStrClient(Client,
"To connect, type /QUOTE PONG %ld",
} /* IRC_PONG */
-/**
- * Initiate client registration.
- *
- * This function is called after the daemon received the required NICK and
- * USER commands of a new client. If the daemon is compiled with support for
- * PAM, the authentication sub-processs is forked; otherwise the global server
- * password is checked.
- *
- * @param Client The client logging in.
- * @returns CONNECTED or DISCONNECTED.
- */
-static bool
-Hello_User(CLIENT * Client)
-{
-#ifdef PAM
- int pipefd[2], result;
- pid_t pid;
-#endif
- CONN_ID conn;
-
- assert(Client != NULL);
- conn = Client_Conn(Client);
-
-#ifndef STRICT_RFC
- if (Conf_AuthPing) {
- /* Did we receive the "auth PONG" already? */
- if (Conn_GetAuthPing(conn)) {
- Client_SetType(Client, CLIENT_WAITAUTHPING);
- LogDebug("Connection %d: Waiting for AUTH PONG ...", conn);
- return CONNECTED;
- }
- }
-#endif
-
-#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')
- return Hello_User_PostAuth(Client);
- Client_Reject(Client, "Non-empty password", false);
- return DISCONNECTED;
- }
-
- if (Conf_PAMIsOptional && strcmp(Client_Password(Client), "") == 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.
- * Therefore it is sensible to either set Conf_PAMisOptional or
- * to enable IDENT lookups -- not both. */
- return Hello_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);
- }
-#else
- /* Check global server password ... */
- if (strcmp(Client_Password(Client), Conf_ServerPwd) != 0) {
- /* Bad password! */
- Client_Reject(Client, "Bad server password", false);
- return DISCONNECTED;
- }
- return Hello_User_PostAuth(Client);
-#endif
-}
-
-
-#ifdef PAM
-
-/**
- * Read result of the authenticatior sub-process from pipe
- *
- * @param r_fd File descriptor of the pipe.
- * @param events (ignored IO specification)
- */
-static void
-cb_Read_Auth_Result(int r_fd, UNUSED short events)
-{
- CONN_ID conn;
- CLIENT *client;
- int result;
- size_t len;
- PROC_STAT *proc;
-
- LogDebug("Auth: Got callback on fd %d, events %d", r_fd, events);
- conn = Conn_GetFromProc(r_fd);
- if (conn == NONE) {
- /* Ops, none found? Probably the connection has already
- * been closed!? We'll ignore that ... */
- io_close(r_fd);
- LogDebug("Auth: Got callback for unknown connection!?");
- return;
- }
- proc = Conn_GetProcStat(conn);
- client = Conn_GetClient(conn);
-
- /* Read result from pipe */
- len = Proc_Read(proc, &result, sizeof(result));
- Proc_Close(proc);
- if (len == 0)
- return;
-
- if (len != sizeof(result)) {
- Log(LOG_CRIT, "Auth: Got malformed result!");
- Client_Reject(client, "Internal error", false);
- return;
- }
-
- if (result == true) {
- Client_SetUser(client, Client_OrigUser(client), true);
- (void)Hello_User_PostAuth(client);
- } else
- Client_Reject(client, "Bad password", false);
-}
-
-#endif
-
-
-/**
- * Finish client registration.
- *
- * Introduce the new client to the network and send all "hello messages"
- * to it after authentication has been succeeded.
- *
- * @param Client The client logging in.
- * @returns CONNECTED or DISCONNECTED.
- */
-static bool
-Hello_User_PostAuth(CLIENT *Client)
-{
- assert(Client != NULL);
-
- if (Class_HandleServerBans(Client) != CONNECTED)
- return DISCONNECTED;
-
- Client_Introduce(NULL, Client, CLIENT_USER);
-
- if (!IRC_WriteStrClient
- (Client, RPL_WELCOME_MSG, Client_ID(Client), Client_Mask(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))
- return false;
- if (!IRC_WriteStrClient
- (Client, RPL_CREATED_MSG, Client_ID(Client), NGIRCd_StartStr))
- return false;
- if (!IRC_WriteStrClient
- (Client, RPL_MYINFO_MSG, Client_ID(Client),
- Client_ID(Client_ThisServer()), PACKAGE_VERSION, USERMODES,
- CHANMODES))
- return false;
-
- /* Features supported by this server (005 numeric, ISUPPORT),
- * see <http://www.irc.org/tech_docs/005.html> for details. */
- if (!IRC_Send_ISUPPORT(Client))
- return DISCONNECTED;
-
- if (!IRC_Send_LUSERS(Client))
- return DISCONNECTED;
- if (!IRC_Show_MOTD(Client))
- return DISCONNECTED;
-
- /* Suspend the client for a second ... */
- IRC_SetPenalty(Client, 1);
-
- return CONNECTED;
-}
-
-
/**
* Kill all users with a specific nick name in the network.
*
--- /dev/null
+/*
+ * ngIRCd -- The Next Generation IRC Daemon
+ * Copyright (c)2001-2012 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
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * Please read the file COPYING, README and AUTHORS for more information.
+ */
+
+#include "portab.h"
+
+/**
+ * @file
+ * Functions to deal with client logins
+ */
+
+#include "imp.h"
+#include <assert.h>
+#include <stdlib.h>
+#include <strings.h>
+#include <unistd.h>
+
+#include "defines.h"
+#include "conn.h"
+#include "class.h"
+#include "client.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-write.h"
+
+#include "exp.h"
+#include "login.h"
+
+#ifdef PAM
+static void cb_Read_Auth_Result PARAMS((int r_fd, UNUSED short events));
+#endif
+
+/**
+ * Initiate client login.
+ *
+ * This function is called after the daemon received the required NICK and
+ * USER commands of a new client. If the daemon is compiled with support for
+ * PAM, the authentication sub-processs is forked; otherwise the global server
+ * password is checked.
+ *
+ * @param Client The client logging in.
+ * @returns CONNECTED or DISCONNECTED.
+ */
+GLOBAL bool
+Login_User(CLIENT * Client)
+{
+#ifdef PAM
+ int pipefd[2], result;
+ pid_t pid;
+#endif
+ CONN_ID conn;
+
+ assert(Client != NULL);
+ conn = Client_Conn(Client);
+
+#ifndef STRICT_RFC
+ if (Conf_AuthPing) {
+ /* Did we receive the "auth PONG" already? */
+ if (Conn_GetAuthPing(conn)) {
+ Client_SetType(Client, CLIENT_WAITAUTHPING);
+ LogDebug("Connection %d: Waiting for AUTH PONG ...", conn);
+ return CONNECTED;
+ }
+ }
+#endif
+
+#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')
+ return Login_User_PostAuth(Client);
+ Client_Reject(Client, "Non-empty password", false);
+ return DISCONNECTED;
+ }
+
+ if (Conf_PAMIsOptional && strcmp(Client_Password(Client), "") == 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.
+ * Therefore it is sensible to either set Conf_PAMisOptional or
+ * to enable IDENT lookups -- not both. */
+ 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);
+ }
+#else
+ /* Check global server password ... */
+ if (strcmp(Client_Password(Client), Conf_ServerPwd) != 0) {
+ /* Bad password! */
+ Client_Reject(Client, "Bad server password", false);
+ return DISCONNECTED;
+ }
+ return Login_User_PostAuth(Client);
+#endif
+}
+
+/**
+ * Finish client registration.
+ *
+ * Introduce the new client to the network and send all "hello messages"
+ * to it after authentication has been succeeded.
+ *
+ * @param Client The client logging in.
+ * @return CONNECTED or DISCONNECTED.
+ */
+GLOBAL bool
+Login_User_PostAuth(CLIENT *Client)
+{
+ assert(Client != NULL);
+
+ if (Class_HandleServerBans(Client) != CONNECTED)
+ return DISCONNECTED;
+
+ Client_Introduce(NULL, Client, CLIENT_USER);
+
+ if (!IRC_WriteStrClient
+ (Client, RPL_WELCOME_MSG, Client_ID(Client), Client_Mask(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))
+ return false;
+ if (!IRC_WriteStrClient
+ (Client, RPL_CREATED_MSG, Client_ID(Client), NGIRCd_StartStr))
+ return false;
+ if (!IRC_WriteStrClient
+ (Client, RPL_MYINFO_MSG, Client_ID(Client),
+ Client_ID(Client_ThisServer()), PACKAGE_VERSION, USERMODES,
+ CHANMODES))
+ return false;
+
+ /* Features supported by this server (005 numeric, ISUPPORT),
+ * see <http://www.irc.org/tech_docs/005.html> for details. */
+ if (!IRC_Send_ISUPPORT(Client))
+ return DISCONNECTED;
+
+ if (!IRC_Send_LUSERS(Client))
+ return DISCONNECTED;
+ if (!IRC_Show_MOTD(Client))
+ return DISCONNECTED;
+
+ /* Suspend the client for a second ... */
+ IRC_SetPenalty(Client, 1);
+
+ return CONNECTED;
+}
+
+#ifdef PAM
+
+/**
+ * Read result of the authenticatior sub-process from pipe
+ *
+ * @param r_fd File descriptor of the pipe.
+ * @param events (ignored IO specification)
+ */
+static void
+cb_Read_Auth_Result(int r_fd, UNUSED short events)
+{
+ CONN_ID conn;
+ CLIENT *client;
+ int result;
+ size_t len;
+ PROC_STAT *proc;
+
+ LogDebug("Auth: Got callback on fd %d, events %d", r_fd, events);
+ conn = Conn_GetFromProc(r_fd);
+ if (conn == NONE) {
+ /* Ops, none found? Probably the connection has already
+ * been closed!? We'll ignore that ... */
+ io_close(r_fd);
+ LogDebug("Auth: Got callback for unknown connection!?");
+ return;
+ }
+ proc = Conn_GetProcStat(conn);
+ client = Conn_GetClient(conn);
+
+ /* Read result from pipe */
+ len = Proc_Read(proc, &result, sizeof(result));
+ Proc_Close(proc);
+ if (len == 0)
+ return;
+
+ if (len != sizeof(result)) {
+ Log(LOG_CRIT, "Auth: Got malformed result!");
+ Client_Reject(client, "Internal error", false);
+ return;
+ }
+
+ if (result == true) {
+ Client_SetUser(client, Client_OrigUser(client), true);
+ (void)Login_User_PostAuth(client);
+ } else
+ Client_Reject(client, "Bad password", false);
+}
+
+#endif
+
+/* -eof- */
--- /dev/null
+/*
+ * ngIRCd -- The Next Generation IRC Daemon
+ * Copyright (c)2001-2012 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
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * Please read the file COPYING, README and AUTHORS for more information.
+ */
+
+#ifndef __login_h__
+#define __login_h__
+
+/**
+ * @file
+ * Functions to deal with client logins (header)
+ */
+
+GLOBAL bool Login_User PARAMS((CLIENT * Client));
+GLOBAL bool Login_User_PostAuth PARAMS((CLIENT *Client));
+
+#endif
+
+/* -eof- */
projects / ngircd-alex.git / commitdiff