]> arthur.barton.de Git - ngircd-alex.git/blobdiff - src/ngircd/conf.c
Spelling fix: "nick name" -> "nickname"
[ngircd-alex.git] / src / ngircd / conf.c
index 4991918d54ade6d843e249bc61205e867d2ab497..da7ff844b50c14d1a17a21c9687aae9534d4a185 100644 (file)
@@ -1,6 +1,6 @@
 /*
  * ngIRCd -- The Next Generation IRC Daemon
- * Copyright (c)2001-2011 Alexander Barton (alex@barton.de) and Contributors.
+ * 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
@@ -18,6 +18,7 @@
 
 #include "imp.h"
 #include <assert.h>
+#include <ctype.h>
 #include <errno.h>
 #ifdef PROTOTYPES
 #      include <stdarg.h>
@@ -34,9 +35,6 @@
 #include <sys/types.h>
 #include <unistd.h>
 
-#ifdef HAVE_CTYPE_H
-# include <ctype.h>
-#endif
 
 #include "array.h"
 #include "ngircd.h"
@@ -55,12 +53,10 @@ static bool Use_Log = true, Using_MotdFile = true;
 static CONF_SERVER New_Server;
 static int New_Server_Idx;
 
-static size_t Conf_Oper_Count;
-static size_t Conf_Channel_Count;
 static char Conf_MotdFile[FNAME_LEN];
 
 static void Set_Defaults PARAMS(( bool InitServers ));
-static bool Read_Config PARAMS(( bool ngircd_starting ));
+static bool Read_Config PARAMS(( bool TestOnly, bool IsStarting ));
 static bool Validate_Config PARAMS(( bool TestOnly, bool Rehash ));
 
 static void Handle_GLOBAL PARAMS(( int Line, char *Var, char *Arg ));
@@ -108,6 +104,8 @@ ConfSSL_Init(void)
        free(Conf_SSLOptions.DHFile);
        Conf_SSLOptions.DHFile = NULL;
        array_free_wipe(&Conf_SSLOptions.KeyFilePassword);
+
+       array_free(&Conf_SSLOptions.ListenPorts);
 }
 
 /**
@@ -208,7 +206,7 @@ ports_parse(array *a, int Line, char *Arg)
 GLOBAL void
 Conf_Init( void )
 {
-       Read_Config( true );
+       Read_Config(false, true);
        Validate_Config(false, false);
 }
 
@@ -220,7 +218,7 @@ Conf_Init( void )
 GLOBAL bool
 Conf_Rehash( void )
 {
-       if (!Read_Config(false))
+       if (!Read_Config(false, false))
                return false;
        Validate_Config(false, true);
 
@@ -265,18 +263,18 @@ static void
 opers_puts(void)
 {
        struct Conf_Oper *op;
-       size_t len;
+       size_t count, i;
 
-       len = array_length(&Conf_Opers, sizeof(*op));
+       count = array_length(&Conf_Opers, sizeof(*op));
        op = array_start(&Conf_Opers);
-       while (len--) {
-               assert(op->name[0]);
+       for (i = 0; i < count; i++, op++) {
+               if (!op->name[0])
+                       continue;
 
                puts("[OPERATOR]");
                printf("  Name = %s\n", op->name);
                printf("  Password = %s\n", op->pwd);
                printf("  Mask = %s\n\n", op->mask ? op->mask : "");
-               op++;
        }
 }
 
@@ -301,7 +299,7 @@ Conf_Test( void )
 
        Use_Log = false;
 
-       if (! Read_Config(true))
+       if (!Read_Config(true, true))
                return 1;
 
        config_valid = Validate_Config(true, false);
@@ -348,10 +346,11 @@ Conf_Test( void )
 
        puts("[LIMITS]");
        printf("  ConnectRetry = %d\n", Conf_ConnectRetry);
-       printf("  MaxConnections = %ld\n", Conf_MaxConnections);
+       printf("  MaxConnections = %d\n", Conf_MaxConnections);
        printf("  MaxConnectionsIP = %d\n", Conf_MaxConnectionsIP);
        printf("  MaxJoins = %d\n", Conf_MaxJoins > 0 ? Conf_MaxJoins : -1);
        printf("  MaxNickLength = %u\n", Conf_MaxNickLength - 1);
+       printf("  MaxListSize = %d\n", Conf_MaxListSize);
        printf("  PingTimeout = %d\n", Conf_PingTimeout);
        printf("  PongTimeout = %d\n", Conf_PongTimeout);
        puts("");
@@ -360,6 +359,8 @@ Conf_Test( void )
        printf("  AllowRemoteOper = %s\n", yesno_to_str(Conf_AllowRemoteOper));
        printf("  ChrootDir = %s\n", Conf_Chroot);
        printf("  CloakHost = %s\n", Conf_CloakHost);
+       printf("  CloakHostModeX = %s\n", Conf_CloakHostModeX);
+       printf("  CloakHostSalt = %s\n", Conf_CloakHostSalt);
        printf("  CloakUserToNick = %s\n", yesno_to_str(Conf_CloakUserToNick));
 #ifdef WANT_IPV6
        printf("  ConnectIPv4 = %s\n", yesno_to_str(Conf_ConnectIPv6));
@@ -372,9 +373,11 @@ Conf_Test( void )
        printf("  MorePrivacy = %s\n", yesno_to_str(Conf_MorePrivacy));
        printf("  NoticeAuth = %s\n", yesno_to_str(Conf_NoticeAuth));
        printf("  OperCanUseMode = %s\n", yesno_to_str(Conf_OperCanMode));
+       printf("  OperChanPAutoOp = %s\n", yesno_to_str(Conf_OperChanPAutoOp));
        printf("  OperServerMode = %s\n", yesno_to_str(Conf_OperServerMode));
 #ifdef PAM
        printf("  PAM = %s\n", yesno_to_str(Conf_PAM));
+       printf("  PAMIsOptional = %s\n", yesno_to_str(Conf_PAMIsOptional));
 #endif
        printf("  PredefChannelsOnly = %s\n", yesno_to_str(Conf_PredefChannelsOnly));
 #ifndef STRICT_RFC
@@ -478,8 +481,12 @@ Conf_UnsetServer( CONN_ID Idx )
                                 * require the next attempt to be delayed. */
                                Conf_Server[i].lasttry =
                                        t - Conf_ConnectRetry + RECONNECT_DELAY;
-                       } else
-                               Conf_Server[i].lasttry = t;
+                       } else {
+                               /* "Short" connection, enforce "ConnectRetry"
+                                * but randomize it a little bit: 15 seconds. */
+                               Conf_Server[i].lasttry =
+                                       t + rand() / (RAND_MAX / 15);
+                       }
                }
        }
 }
@@ -487,13 +494,23 @@ Conf_UnsetServer( CONN_ID Idx )
 /**
  * Set connection information for specified configured server.
  */
-GLOBAL void
+GLOBAL bool
 Conf_SetServer( int ConfServer, CONN_ID Idx )
 {
        assert( ConfServer > NONE );
        assert( Idx > NONE );
 
+       if (Conf_Server[ConfServer].conn_id > NONE &&
+           Conf_Server[ConfServer].conn_id != Idx) {
+               Log(LOG_ERR,
+                   "Connection %d: Server configuration of \"%s\" already in use by connection %d!",
+                   Idx, Conf_Server[ConfServer].name,
+                   Conf_Server[ConfServer].conn_id);
+               Conn_Close(Idx, NULL, "Server configuration already in use", true);
+               return false;
+       }
        Conf_Server[ConfServer].conn_id = Idx;
+       return true;
 }
 
 /**
@@ -627,14 +644,41 @@ Conf_AddServer(const char *Name, UINT16 Port, const char *Host,
 }
 
 /**
- * Check if the given nick name is an service.
+ * Check if the given nickname is reserved for services on a particular server.
  *
- * @returns true if the given nick name belongs to an "IRC service".
+ * @param ConfServer The server index to check.
+ * @param Nick The nickname to check.
+ * @returns true if the given nickname belongs to an "IRC service".
  */
 GLOBAL bool
-Conf_IsService(int ConfServer, const char *Nick)
+Conf_NickIsService(int ConfServer, const char *Nick)
 {
-       return MatchCaseInsensitive(Conf_Server[ConfServer].svs_mask, Nick);
+       assert (ConfServer >= 0);
+       assert (ConfServer < MAX_SERVERS);
+
+       return MatchCaseInsensitiveList(Conf_Server[ConfServer].svs_mask,
+                                       Nick, ",");
+}
+
+/**
+ * Check if the given nickname is blocked for "normal client" use.
+ *
+ * @param ConfServer The server index or NONE to check all configured servers.
+ * @param Nick The nickname to check.
+ * @returns true if the given nickname belongs to an "IRC service".
+ */
+GLOBAL bool
+Conf_NickIsBlocked(const char *Nick)
+{
+       int i;
+
+       for(i = 0; i < MAX_SERVERS; i++) {
+               if (!Conf_Server[i].name[0])
+                       continue;
+               if (Conf_NickIsService(i, Nick))
+                       return true;
+       }
+       return false;
 }
 
 /**
@@ -644,6 +688,7 @@ static void
 Set_Defaults(bool InitServers)
 {
        int i;
+       char random[RANDOM_SALT_LEN + 1];
 
        /* Global */
        strcpy(Conf_ServerName, "");
@@ -654,6 +699,7 @@ Set_Defaults(bool InitServers)
                 PACKAGE_NAME, PACKAGE_VERSION);
        free(Conf_ListenAddress);
        Conf_ListenAddress = NULL;
+       array_free(&Conf_ListenPorts);
        array_free(&Conf_Motd);
        strlcpy(Conf_MotdFile, SYSCONFDIR, sizeof(Conf_MotdFile));
        strlcat(Conf_MotdFile, MOTD_FILE, sizeof(Conf_MotdFile));
@@ -667,6 +713,7 @@ Set_Defaults(bool InitServers)
        Conf_MaxConnectionsIP = 5;
        Conf_MaxJoins = 10;
        Conf_MaxNickLength = CLIENT_NICK_LEN_DEFAULT;
+       Conf_MaxListSize = 100;
        Conf_PingTimeout = 120;
        Conf_PongTimeout = 20;
 
@@ -677,6 +724,8 @@ Set_Defaults(bool InitServers)
 #endif
        strlcpy(Conf_Chroot, CHROOT_DIR, sizeof(Conf_Chroot));
        strcpy(Conf_CloakHost, "");
+       strcpy(Conf_CloakHostModeX, "");
+       strcpy(Conf_CloakHostSalt, ngt_RandomStr(random, RANDOM_SALT_LEN));
        Conf_CloakUserToNick = false;
        Conf_ConnectIPv4 = true;
 #ifdef WANT_IPV6
@@ -693,12 +742,14 @@ Set_Defaults(bool InitServers)
        Conf_MorePrivacy = false;
        Conf_NoticeAuth = false;
        Conf_OperCanMode = false;
+       Conf_OperChanPAutoOp = true;
        Conf_OperServerMode = false;
 #ifdef PAM
        Conf_PAM = true;
 #else
        Conf_PAM = false;
 #endif
+       Conf_PAMIsOptional = false;
        Conf_PredefChannelsOnly = false;
 #ifdef SYSLOG
        Conf_ScrubCTCP = false;
@@ -709,10 +760,6 @@ Set_Defaults(bool InitServers)
 #endif
 #endif
 
-       /* Initialize IRC operators and channels */
-       Conf_Oper_Count = 0;
-       Conf_Channel_Count = 0;
-
        /* Initialize server configuration structures */
        if (InitServers) {
                for (i = 0; i < MAX_SERVERS;
@@ -782,11 +829,12 @@ Read_Motd(const char *filename)
  *                             successfully; false otherwise.
  */
 static bool
-Read_Config( bool ngircd_starting )
+Read_Config(bool TestOnly, bool IsStarting)
 {
        char section[LINE_LEN], str[LINE_LEN], *var, *arg, *ptr;
        const UINT16 defaultport = 6667;
        int line, i, n;
+       size_t count;
        FILE *fd;
 
        /* Open configuration file */
@@ -795,16 +843,19 @@ Read_Config( bool ngircd_starting )
                /* No configuration file found! */
                Config_Error( LOG_ALERT, "Can't read configuration \"%s\": %s",
                                        NGIRCd_ConfFile, strerror( errno ));
-               if (!ngircd_starting)
+               if (!IsStarting)
                        return false;
                Config_Error( LOG_ALERT, "%s exiting due to fatal errors!", PACKAGE_NAME );
                exit( 1 );
        }
 
        opers_free();
-       Set_Defaults( ngircd_starting );
+       Set_Defaults(IsStarting);
 
-       Config_Error( LOG_INFO, "Reading configuration from \"%s\" ...", NGIRCd_ConfFile );
+       if (TestOnly)
+               Config_Error(LOG_INFO,
+                            "Reading configuration from \"%s\" ...",
+                            NGIRCd_ConfFile );
 
        /* Clean up server configuration structure: mark all already
         * configured servers as "once" so that they are deleted
@@ -857,10 +908,13 @@ Read_Config( bool ngircd_starting )
                /* Is this the beginning of a new section? */
                if(( str[0] == '[' ) && ( str[strlen( str ) - 1] == ']' )) {
                        strlcpy( section, str, sizeof( section ));
-                       if (strcasecmp(section, "[GLOBAL]") == 0 ||
-                           strcasecmp(section, "[LIMITS]") == 0 ||
-                           strcasecmp(section, "[OPTIONS]") == 0 ||
-                           strcasecmp(section, "[SSL]") == 0)
+                       if (strcasecmp(section, "[GLOBAL]") == 0
+                           || strcasecmp(section, "[LIMITS]") == 0
+                           || strcasecmp(section, "[OPTIONS]") == 0
+#ifdef SSL_SUPPORT
+                           || strcasecmp(section, "[SSL]") == 0
+#endif
+                           )
                                continue;
 
                        if( strcasecmp( section, "[SERVER]" ) == 0 ) {
@@ -887,12 +941,30 @@ Read_Config( bool ngircd_starting )
                                else New_Server_Idx = i;
                                continue;
                        }
+
                        if (strcasecmp(section, "[CHANNEL]") == 0) {
-                               Conf_Channel_Count++;
+                               count = array_length(&Conf_Channels,
+                                                    sizeof(struct Conf_Channel));
+                               if (!array_alloc(&Conf_Channels,
+                                                sizeof(struct Conf_Channel),
+                                                count)) {
+                                       Config_Error(LOG_ERR,
+                                                    "Could not allocate memory for new operator (line %d)",
+                                                    line);
+                               }
                                continue;
                        }
+
                        if (strcasecmp(section, "[OPERATOR]") == 0) {
-                               Conf_Oper_Count++;
+                               count = array_length(&Conf_Opers,
+                                                    sizeof(struct Conf_Oper));
+                               if (!array_alloc(&Conf_Opers,
+                                                sizeof(struct Conf_Oper),
+                                                count)) {
+                                       Config_Error(LOG_ERR,
+                                                    "Could not allocate memory for new channel (line &d)",
+                                                    line);
+                               }
                                continue;
                        }
 
@@ -978,17 +1050,21 @@ Read_Config( bool ngircd_starting )
 }
 
 /**
- * Check whether an string argument is true or false.
+ * Check whether a string argument is "true" or "false".
  *
  * @param Arg  Input string.
- * @returns    true if string has been parsed as "yes"/"true"/"on".
+ * @returns    true if the input string has been parsed as "yes", "true"
+ *             (case insensitive) or a non-zero integer value.
  */
 static bool
-Check_ArgIsTrue( const char *Arg )
+Check_ArgIsTrue(const char *Arg)
 {
-       if( strcasecmp( Arg, "yes" ) == 0 ) return true;
-       if( strcasecmp( Arg, "true" ) == 0 ) return true;
-       if( atoi( Arg ) != 0 ) return true;
+       if (strcasecmp(Arg, "yes") == 0)
+               return true;
+       if (strcasecmp(Arg, "true") == 0)
+               return true;
+       if (atoi(Arg) != 0)
+               return true;
 
        return false;
 }
@@ -998,7 +1074,7 @@ Check_ArgIsTrue( const char *Arg )
  *
  * @param Line Line number in configuration file.
  * @raram Arg  Input string.
- * @returns    New configured maximum nick name length.
+ * @returns    New configured maximum nickname length.
  */
 static unsigned int
 Handle_MaxNickLength(int Line, const char *Arg)
@@ -1115,6 +1191,7 @@ CheckLegacyGlobalOption(int Line, char *Var, char *Arg)
            || strcasecmp(Var, "ConnectIPv4") == 0
            || strcasecmp(Var, "ConnectIPv6") == 0
            || strcasecmp(Var, "OperCanUseMode") == 0
+           || strcasecmp(Var, "OperChanPAutoOp") == 0
            || strcasecmp(Var, "OperServerMode") == 0
            || strcasecmp(Var, "PredefChannelsOnly") == 0
            || strcasecmp(Var, "SyslogFacility") == 0
@@ -1289,7 +1366,9 @@ Handle_GLOBAL( int Line, char *Var, char *Arg )
                else {
                        Conf_GID = (unsigned int)atoi(Arg);
                        if (!Conf_GID && strcmp(Arg, "0"))
-                               Config_Error_NaN(Line, Var);
+                               Config_Error(LOG_WARNING,
+                                            "%s, line %d: Value of \"%s\" is not a valid group name or ID!",
+                                            NGIRCd_ConfFile, Line, Var);
                }
                return;
        }
@@ -1300,7 +1379,9 @@ Handle_GLOBAL( int Line, char *Var, char *Arg )
                else {
                        Conf_UID = (unsigned int)atoi(Arg);
                        if (!Conf_UID && strcmp(Arg, "0"))
-                               Config_Error_NaN(Line, Var);
+                               Config_Error(LOG_WARNING,
+                                            "%s, line %d: Value of \"%s\" is not a valid user name or ID!",
+                                            NGIRCd_ConfFile, Line, Var);
                }
                return;
        }
@@ -1363,7 +1444,7 @@ Handle_LIMITS(int Line, char *Var, char *Arg)
                return;
        }
        if (strcasecmp(Var, "MaxConnections") == 0) {
-               Conf_MaxConnections = atol(Arg);
+               Conf_MaxConnections = atoi(Arg);
                if (!Conf_MaxConnections && strcmp(Arg, "0"))
                        Config_Error_NaN(Line, Var);
                return;
@@ -1384,6 +1465,12 @@ Handle_LIMITS(int Line, char *Var, char *Arg)
                Conf_MaxNickLength = Handle_MaxNickLength(Line, Arg);
                return;
        }
+       if (strcasecmp(Var, "MaxListSize") == 0) {
+               Conf_MaxListSize = atoi(Arg);
+               if (!Conf_MaxListSize && strcmp(Arg, "0"))
+                       Config_Error_NaN(Line, Var);
+               return;
+       }
        if (strcasecmp(Var, "PingTimeout") == 0) {
                Conf_PingTimeout = atoi(Arg);
                if (Conf_PingTimeout < 5) {
@@ -1440,6 +1527,18 @@ Handle_OPTIONS(int Line, char *Var, char *Arg)
                        Config_Error_TooLong(Line, Var);
                return;
        }
+       if (strcasecmp(Var, "CloakHostModeX") == 0) {
+               len = strlcpy(Conf_CloakHostModeX, Arg, sizeof(Conf_CloakHostModeX));
+               if (len >= sizeof(Conf_CloakHostModeX))
+                       Config_Error_TooLong(Line, Var);
+               return;
+       }
+       if (strcasecmp(Var, "CloakHostSalt") == 0) {
+               len = strlcpy(Conf_CloakHostSalt, Arg, sizeof(Conf_CloakHostSalt));
+               if (len >= sizeof(Conf_CloakHostSalt))
+                       Config_Error_TooLong(Line, Var);
+               return;
+       }
        if (strcasecmp(Var, "CloakUserToNick") == 0) {
                Conf_CloakUserToNick = Check_ArgIsTrue(Arg);
                return;
@@ -1474,6 +1573,10 @@ Handle_OPTIONS(int Line, char *Var, char *Arg)
                Conf_OperCanMode = Check_ArgIsTrue(Arg);
                return;
        }
+       if (strcasecmp(Var, "OperChanPAutoOp") == 0) {
+               Conf_OperChanPAutoOp = Check_ArgIsTrue(Arg);
+               return;
+       }
        if (strcasecmp(Var, "OperServerMode") == 0) {
                Conf_OperServerMode = Check_ArgIsTrue(Arg);
                return;
@@ -1483,6 +1586,10 @@ Handle_OPTIONS(int Line, char *Var, char *Arg)
                WarnPAM(Line);
                return;
        }
+       if (strcasecmp(Var, "PAMIsOptional") == 0 ) {
+               Conf_PAMIsOptional = Check_ArgIsTrue(Arg);
+               return;
+       }
        if (strcasecmp(Var, "PredefChannelsOnly") == 0) {
                Conf_PredefChannelsOnly = Check_ArgIsTrue(Arg);
                return;
@@ -1580,13 +1687,11 @@ Handle_OPERATOR( int Line, char *Var, char *Arg )
        assert( Line > 0 );
        assert( Var != NULL );
        assert( Arg != NULL );
-       assert( Conf_Oper_Count > 0 );
 
-       op = array_alloc(&Conf_Opers, sizeof(*op), Conf_Oper_Count - 1);
-       if (!op) {
-               Config_Error(LOG_ERR, "Could not allocate memory for operator (%d:%s = %s)", Line, Var, Arg);
+       op = array_get(&Conf_Opers, sizeof(*op),
+                        array_length(&Conf_Opers, sizeof(*op)) - 1);
+       if (!op)
                return;
-       }
 
        if (strcasecmp(Var, "Name") == 0) {
                /* Name of IRC operator */
@@ -1752,21 +1857,17 @@ static void
 Handle_CHANNEL(int Line, char *Var, char *Arg)
 {
        size_t len;
-       size_t chancount;
        struct Conf_Channel *chan;
 
        assert( Line > 0 );
        assert( Var != NULL );
        assert( Arg != NULL );
-       assert(Conf_Channel_Count > 0);
-
-       chancount = Conf_Channel_Count - 1;
 
-       chan = array_alloc(&Conf_Channels, sizeof(*chan), chancount);
-       if (!chan) {
-               Config_Error(LOG_ERR, "Could not allocate memory for predefined channel (%d:%s = %s)", Line, Var, Arg);
+       chan = array_get(&Conf_Channels, sizeof(*chan),
+                        array_length(&Conf_Channels, sizeof(*chan)) - 1);
+       if (!chan)
                return;
-       }
+
        if (strcasecmp(Var, "Name") == 0) {
                if (!Handle_Channelname(chan, Arg))
                        Config_Error_TooLong(Line, Var);
@@ -1832,6 +1933,13 @@ Validate_Config(bool Configtest, bool Rehash)
        bool config_valid = true;
        char *ptr;
 
+       /* Emit a warning when the config file is not a full path name */
+       if (NGIRCd_ConfFile[0] && NGIRCd_ConfFile[0] != '/') {
+               Config_Error(LOG_WARNING,
+                       "Not specifying a full path name to \"%s\" can cause problems when rehashing the server!",
+                       NGIRCd_ConfFile);
+       }
+
        /* Validate configured server name, see RFC 2812 section 2.3.1 */
        ptr = Conf_ServerName;
        do {
@@ -1913,8 +2021,10 @@ Validate_Config(bool Configtest, bool Rehash)
                }
        }
        Log(LOG_DEBUG,
-           "Configuration: Operators=%d, Servers=%d[%d], Channels=%d",
-           Conf_Oper_Count, servers, servers_once, Conf_Channel_Count);
+           "Configuration: Operators=%ld, Servers=%d[%d], Channels=%ld",
+           array_length(&Conf_Opers, sizeof(struct Conf_Oper)),
+           servers, servers_once,
+           array_length(&Conf_Channels, sizeof(struct Conf_Channel)));
 #endif
 
        return config_valid;
@@ -2044,7 +2154,7 @@ Init_Server_Struct( CONF_SERVER *Server )
 
        Proc_InitStruct(&Server->res_stat);
        Server->conn_id = NONE;
-       memset(&Server->bind_addr, 0, sizeof(&Server->bind_addr));
+       memset(&Server->bind_addr, 0, sizeof(Server->bind_addr));
 }
 
 /* -eof- */