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- /*
- * ngIRCd -- The Next Generation IRC Daemon
- * Copyright (c)2001-2018 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
- * Configuration management (reading, parsing & validation)
- */
- #include <assert.h>
- #include <errno.h>
- #ifdef PROTOTYPES
- # include <stdarg.h>
- #else
- # include <varargs.h>
- #endif
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
- #include <strings.h>
- #include <time.h>
- #include <unistd.h>
- #include <pwd.h>
- #include <grp.h>
- #include <sys/types.h>
- #include <dirent.h>
- #include "ngircd.h"
- #include "conn.h"
- #include "channel.h"
- #include "log.h"
- #include "match.h"
- #include "conf.h"
- static bool Use_Log = true, Using_MotdFile = true;
- static CONF_SERVER New_Server;
- static int New_Server_Idx;
- static char Conf_MotdFile[FNAME_LEN];
- static char Conf_HelpFile[FNAME_LEN];
- static char Conf_IncludeDir[FNAME_LEN];
- static void Set_Defaults PARAMS(( bool InitServers ));
- static bool Read_Config PARAMS(( bool TestOnly, bool IsStarting ));
- static void Read_Config_File PARAMS(( const char *File, FILE *fd ));
- static bool Validate_Config PARAMS(( bool TestOnly, bool Rehash ));
- static void Handle_GLOBAL PARAMS((const char *File, int Line,
- char *Var, char *Arg ));
- static void Handle_LIMITS PARAMS((const char *File, int Line,
- char *Var, char *Arg ));
- static void Handle_OPTIONS PARAMS((const char *File, int Line,
- char *Var, char *Arg ));
- static void Handle_OPERATOR PARAMS((const char *File, int Line,
- char *Var, char *Arg ));
- static void Handle_SERVER PARAMS((const char *File, int Line,
- char *Var, char *Arg ));
- static void Handle_CHANNEL PARAMS((const char *File, int Line,
- char *Var, char *Arg ));
- static void Config_Error PARAMS((const int Level, const char *Format, ...));
- static void Config_Error_NaN PARAMS((const char *File, const int LINE,
- const char *Value));
- static void Config_Error_Section PARAMS((const char *File, const int Line,
- const char *Item, const char *Section));
- static void Config_Error_TooLong PARAMS((const char *File, const int LINE,
- const char *Value));
- static void Init_Server_Struct PARAMS(( CONF_SERVER *Server ));
- #ifdef WANT_IPV6
- #define DEFAULT_LISTEN_ADDRSTR "::,0.0.0.0"
- #else
- #define DEFAULT_LISTEN_ADDRSTR "0.0.0.0"
- #endif
- #ifdef HAVE_LIBSSL
- #define DEFAULT_CIPHERS "HIGH:!aNULL:@STRENGTH:!SSLv3"
- #endif
- #ifdef HAVE_LIBGNUTLS
- #define DEFAULT_CIPHERS "SECURE128:-VERS-SSL3.0"
- #endif
- #ifdef SSL_SUPPORT
- static void Handle_SSL PARAMS((const char *File, int Line, char *Var, char *Ark));
- struct SSLOptions Conf_SSLOptions;
- /**
- * Initialize SSL configuration.
- */
- static void
- ConfSSL_Init(void)
- {
- free(Conf_SSLOptions.KeyFile);
- Conf_SSLOptions.KeyFile = NULL;
- free(Conf_SSLOptions.CertFile);
- Conf_SSLOptions.CertFile = NULL;
- free(Conf_SSLOptions.DHFile);
- Conf_SSLOptions.DHFile = NULL;
- array_free_wipe(&Conf_SSLOptions.KeyFilePassword);
- array_free(&Conf_SSLOptions.ListenPorts);
- free(Conf_SSLOptions.CipherList);
- Conf_SSLOptions.CipherList = NULL;
- }
- /**
- * Check if the current configuration uses/requires SSL.
- *
- * @returns true if SSL is used and should be initialized.
- */
- GLOBAL bool
- Conf_SSLInUse(void)
- {
- int i;
- /* SSL listen ports configured? */
- if (array_bytes(&Conf_SSLOptions.ListenPorts))
- return true;
- for (i = 0; i < MAX_SERVERS; i++) {
- if (Conf_Server[i].port > 0
- && Conf_Server[i].SSLConnect)
- return true;
- }
- return false;
- }
- /**
- * Make sure that a configured file is readable.
- *
- * Currently, this function is only used for SSL-related options ...
- *
- * @param Var Configuration variable
- * @param Filename Configured filename
- */
- static void
- CheckFileReadable(const char *Var, const char *Filename)
- {
- FILE *fp;
- if (!Filename)
- return;
- fp = fopen(Filename, "r");
- if (fp)
- fclose(fp);
- else
- Config_Error(LOG_ERR, "Can't read \"%s\" (\"%s\"): %s",
- Filename, Var, strerror(errno));
- }
- #endif
- /**
- * Duplicate string and warn on errors.
- *
- * @returns Pointer to string on success, NULL otherwise.
- */
- static char *
- strdup_warn(const char *str)
- {
- char *ptr = strdup(str);
- if (!ptr)
- Config_Error(LOG_ERR,
- "Could not allocate memory for string: %s", str);
- return ptr;
- }
- /**
- * Output a comma separated list of ports (integer values).
- */
- static void
- ports_puts(array *a)
- {
- size_t len;
- UINT16 *ports;
- len = array_length(a, sizeof(UINT16));
- if (len--) {
- ports = (UINT16*) array_start(a);
- printf("%u", (unsigned int) *ports);
- while (len--) {
- ports++;
- printf(", %u", (unsigned int) *ports);
- }
- }
- putc('\n', stdout);
- }
- /**
- * Parse a comma separated string into an array of port numbers (integers).
- */
- static void
- ports_parse(array *a, const char *File, int Line, char *Arg)
- {
- char *ptr;
- int port;
- UINT16 port16;
- array_trunc(a);
- ptr = strtok( Arg, "," );
- while (ptr) {
- ngt_TrimStr(ptr);
- port = atoi(ptr);
- if (port > 0 && port < 0xFFFF) {
- port16 = (UINT16) port;
- if (!array_catb(a, (char*)&port16, sizeof port16))
- Config_Error(LOG_ERR, "%s, line %d Could not add port number %ld: %s",
- File, Line, port, strerror(errno));
- } else {
- Config_Error( LOG_ERR, "%s, line %d (section \"Global\"): Illegal port number %ld!",
- File, Line, port );
- }
- ptr = strtok( NULL, "," );
- }
- }
- /**
- * Initialize configuration module.
- */
- GLOBAL void
- Conf_Init( void )
- {
- Read_Config(false, true);
- Validate_Config(false, false);
- }
- /**
- * "Rehash" (reload) server configuration.
- *
- * @returns true if configuration has been re-read, false on errors.
- */
- GLOBAL bool
- Conf_Rehash( void )
- {
- if (!Read_Config(false, false))
- return false;
- Validate_Config(false, true);
- /* Update CLIENT structure of local server */
- Client_SetInfo(Client_ThisServer(), Conf_ServerInfo);
- return true;
- }
- /**
- * Output a boolean value as "yes/no" string.
- */
- static const char*
- yesno_to_str(int boolean_value)
- {
- if (boolean_value)
- return "yes";
- return "no";
- }
- /**
- * Free all IRC operator configuration structures.
- */
- static void
- opers_free(void)
- {
- struct Conf_Oper *op;
- size_t len;
- len = array_length(&Conf_Opers, sizeof(*op));
- op = array_start(&Conf_Opers);
- while (len--) {
- free(op->mask);
- op++;
- }
- array_free(&Conf_Opers);
- }
- /**
- * Output all IRC operator configuration structures.
- */
- static void
- opers_puts(void)
- {
- struct Conf_Oper *op;
- size_t count, i;
- count = array_length(&Conf_Opers, sizeof(*op));
- op = array_start(&Conf_Opers);
- 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 : "");
- }
- }
- /**
- * Read configuration, validate and output it.
- *
- * This function waits for a keypress of the user when stdin/stdout are valid
- * tty's ("you can read our nice message and we can read in your keypress").
- *
- * @return 0 on success, 1 on failure(s); therefore the result code can
- * directly be used by exit() when running "ngircd --configtest".
- */
- GLOBAL int
- Conf_Test( void )
- {
- struct passwd *pwd;
- struct group *grp;
- unsigned int i;
- bool config_valid;
- size_t predef_channel_count;
- struct Conf_Channel *predef_chan;
- Use_Log = false;
- if (!Read_Config(true, true))
- return 1;
- config_valid = Validate_Config(true, false);
- /* Valid tty? */
- if(isatty(fileno(stdin)) && isatty(fileno(stdout))) {
- puts("OK, press enter to see a dump of your server configuration ...");
- getchar();
- } else
- puts("Ok, dump of your server configuration follows:\n");
- puts("[GLOBAL]");
- printf(" Name = %s\n", Conf_ServerName);
- printf(" AdminInfo1 = %s\n", Conf_ServerAdmin1);
- printf(" AdminInfo2 = %s\n", Conf_ServerAdmin2);
- printf(" AdminEMail = %s\n", Conf_ServerAdminMail);
- printf(" HelpFile = %s\n", Conf_HelpFile);
- printf(" Info = %s\n", Conf_ServerInfo);
- printf(" Listen = %s\n", Conf_ListenAddress);
- if (Using_MotdFile) {
- printf(" MotdFile = %s\n", Conf_MotdFile);
- printf(" MotdPhrase =\n");
- } else {
- printf(" MotdFile = \n");
- printf(" MotdPhrase = %s\n", array_bytes(&Conf_Motd)
- ? (const char*) array_start(&Conf_Motd) : "");
- }
- printf(" Network = %s\n", Conf_Network);
- if (!Conf_PAM)
- printf(" Password = %s\n", Conf_ServerPwd);
- printf(" PidFile = %s\n", Conf_PidFile);
- printf(" Ports = ");
- ports_puts(&Conf_ListenPorts);
- grp = getgrgid(Conf_GID);
- if (grp)
- printf(" ServerGID = %s\n", grp->gr_name);
- else
- printf(" ServerGID = %ld\n", (long)Conf_GID);
- pwd = getpwuid(Conf_UID);
- if (pwd)
- printf(" ServerUID = %s\n", pwd->pw_name);
- else
- printf(" ServerUID = %ld\n", (long)Conf_UID);
- puts("");
- puts("[LIMITS]");
- printf(" ConnectRetry = %d\n", Conf_ConnectRetry);
- printf(" IdleTimeout = %d\n", Conf_IdleTimeout);
- 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(" MaxPenaltyTime = %ld\n", Conf_MaxPenaltyTime);
- printf(" MaxListSize = %d\n", Conf_MaxListSize);
- printf(" PingTimeout = %d\n", Conf_PingTimeout);
- printf(" PongTimeout = %d\n", Conf_PongTimeout);
- puts("");
- puts("[OPTIONS]");
- printf(" AllowedChannelTypes = %s\n", Conf_AllowedChannelTypes);
- 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));
- printf(" ConnectIPv6 = %s\n", yesno_to_str(Conf_ConnectIPv4));
- #endif
- printf(" DefaultUserModes = %s\n", Conf_DefaultUserModes);
- printf(" DNS = %s\n", yesno_to_str(Conf_DNS));
- #ifdef IDENT
- printf(" Ident = %s\n", yesno_to_str(Conf_Ident));
- #endif
- printf(" IncludeDir = %s\n", Conf_IncludeDir);
- printf(" MorePrivacy = %s\n", yesno_to_str(Conf_MorePrivacy));
- printf(" NoticeBeforeRegistration = %s\n", yesno_to_str(Conf_NoticeBeforeRegistration));
- 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));
- printf(" PAMServiceName = %s\n", Conf_PAMServiceName);
- #endif
- #ifndef STRICT_RFC
- printf(" RequireAuthPing = %s\n", yesno_to_str(Conf_AuthPing));
- #endif
- printf(" ScrubCTCP = %s\n", yesno_to_str(Conf_ScrubCTCP));
- #ifdef SYSLOG
- printf(" SyslogFacility = %s\n",
- ngt_SyslogFacilityName(Conf_SyslogFacility));
- #endif
- printf(" WebircPassword = %s\n", Conf_WebircPwd);
- puts("");
- #ifdef SSL_SUPPORT
- puts("[SSL]");
- printf(" CertFile = %s\n", Conf_SSLOptions.CertFile
- ? Conf_SSLOptions.CertFile : "");
- printf(" CipherList = %s\n", Conf_SSLOptions.CipherList ?
- Conf_SSLOptions.CipherList : DEFAULT_CIPHERS);
- printf(" DHFile = %s\n", Conf_SSLOptions.DHFile
- ? Conf_SSLOptions.DHFile : "");
- printf(" KeyFile = %s\n", Conf_SSLOptions.KeyFile
- ? Conf_SSLOptions.KeyFile : "");
- if (array_bytes(&Conf_SSLOptions.KeyFilePassword))
- puts(" KeyFilePassword = <secret>");
- else
- puts(" KeyFilePassword = ");
- array_free_wipe(&Conf_SSLOptions.KeyFilePassword);
- printf(" Ports = ");
- ports_puts(&Conf_SSLOptions.ListenPorts);
- puts("");
- #endif
- opers_puts();
- for( i = 0; i < MAX_SERVERS; i++ ) {
- if( ! Conf_Server[i].name[0] ) continue;
- /* Valid "Server" section */
- puts( "[SERVER]" );
- printf( " Name = %s\n", Conf_Server[i].name );
- printf( " Host = %s\n", Conf_Server[i].host );
- printf( " Port = %u\n", (unsigned int)Conf_Server[i].port );
- #ifdef SSL_SUPPORT
- printf( " SSLConnect = %s\n", Conf_Server[i].SSLConnect?"yes":"no");
- #endif
- printf( " MyPassword = %s\n", Conf_Server[i].pwd_in );
- printf( " PeerPassword = %s\n", Conf_Server[i].pwd_out );
- printf( " ServiceMask = %s\n", Conf_Server[i].svs_mask);
- printf( " Group = %d\n", Conf_Server[i].group );
- printf( " Passive = %s\n\n", Conf_Server[i].flags & CONF_SFLAG_DISABLED ? "yes" : "no");
- }
- predef_channel_count = array_length(&Conf_Channels, sizeof(*predef_chan));
- predef_chan = array_start(&Conf_Channels);
- for (i = 0; i < predef_channel_count; i++, predef_chan++) {
- if (!predef_chan->name[0])
- continue;
- /* Valid "Channel" section */
- puts( "[CHANNEL]" );
- printf(" Name = %s\n", predef_chan->name);
- printf(" Modes = %s\n", predef_chan->modes);
- printf(" Key = %s\n", predef_chan->key);
- printf(" MaxUsers = %lu\n", predef_chan->maxusers);
- printf(" Topic = %s\n", predef_chan->topic);
- printf(" KeyFile = %s\n\n", predef_chan->keyfile);
- }
- return (config_valid ? 0 : 1);
- }
- /**
- * Remove connection information from configured server.
- *
- * If the server is set as "once", delete it from our configuration;
- * otherwise set the time for the next connection attempt.
- *
- * Non-server connections will be silently ignored.
- */
- GLOBAL void
- Conf_UnsetServer( CONN_ID Idx )
- {
- int i;
- time_t t;
- /* Check all our configured servers */
- for( i = 0; i < MAX_SERVERS; i++ ) {
- if( Conf_Server[i].conn_id != Idx ) continue;
- /* Gotcha! Mark server configuration as "unused": */
- Conf_Server[i].conn_id = NONE;
- if( Conf_Server[i].flags & CONF_SFLAG_ONCE ) {
- /* Delete configuration here */
- Init_Server_Struct( &Conf_Server[i] );
- } else {
- /* Set time for next connect attempt */
- t = time(NULL);
- if (Conf_Server[i].lasttry < t - Conf_ConnectRetry) {
- /* The connection has been "long", so we don't
- * require the next attempt to be delayed. */
- Conf_Server[i].lasttry =
- t - Conf_ConnectRetry + RECONNECT_DELAY;
- } else {
- /* "Short" connection, enforce "ConnectRetry"
- * but randomize it a little bit: 15 seconds. */
- Conf_Server[i].lasttry =
- #ifdef HAVE_ARC4RANDOM
- t + (arc4random() % 15);
- #else
- t + rand() / (RAND_MAX / 15);
- #endif
- }
- }
- }
- }
- /**
- * Set connection information for specified configured server.
- */
- 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;
- }
- /**
- * Get index of server in configuration structure.
- */
- GLOBAL int
- Conf_GetServer( CONN_ID Idx )
- {
- int i = 0;
- assert( Idx > NONE );
- for( i = 0; i < MAX_SERVERS; i++ ) {
- if( Conf_Server[i].conn_id == Idx ) return i;
- }
- return NONE;
- }
- /**
- * Enable a server by name and adjust its port number.
- *
- * @returns true if a server has been enabled and now has a valid port
- * number and host name for outgoing connections.
- */
- GLOBAL bool
- Conf_EnableServer( const char *Name, UINT16 Port )
- {
- int i;
- assert( Name != NULL );
- for( i = 0; i < MAX_SERVERS; i++ ) {
- if( strcasecmp( Conf_Server[i].name, Name ) == 0 ) {
- /* Gotcha! Set port and enable server: */
- Conf_Server[i].port = Port;
- Conf_Server[i].flags &= ~CONF_SFLAG_DISABLED;
- return (Conf_Server[i].port && Conf_Server[i].host[0]);
- }
- }
- return false;
- }
- /**
- * Enable a server by name.
- *
- * The server is only usable as outgoing server, if it has set a valid port
- * number for outgoing connections!
- * If not, you have to use Conf_EnableServer() function to make it available.
- *
- * @returns true if a server has been enabled; false otherwise.
- */
- GLOBAL bool
- Conf_EnablePassiveServer(const char *Name)
- {
- int i;
- assert( Name != NULL );
- for (i = 0; i < MAX_SERVERS; i++) {
- if ((strcasecmp( Conf_Server[i].name, Name ) == 0)
- && (Conf_Server[i].port > 0)) {
- /* BINGO! Enable server */
- Conf_Server[i].flags &= ~CONF_SFLAG_DISABLED;
- Conf_Server[i].lasttry = 0;
- return true;
- }
- }
- return false;
- }
- /**
- * Disable a server by name.
- * An already established connection will be disconnected.
- *
- * @returns true if a server was found and has been disabled.
- */
- GLOBAL bool
- Conf_DisableServer( const char *Name )
- {
- int i;
- assert( Name != NULL );
- for( i = 0; i < MAX_SERVERS; i++ ) {
- if( strcasecmp( Conf_Server[i].name, Name ) == 0 ) {
- /* Gotcha! Disable and disconnect server: */
- Conf_Server[i].flags |= CONF_SFLAG_DISABLED;
- if( Conf_Server[i].conn_id > NONE )
- Conn_Close(Conf_Server[i].conn_id, NULL,
- "Server link terminated on operator request",
- true);
- return true;
- }
- }
- return false;
- }
- /**
- * Add a new remote server to our configuration.
- *
- * @param Name Name of the new server.
- * @param Port Port number to connect to or 0 for incoming connections.
- * @param Host Host name to connect to.
- * @param MyPwd Password that will be sent to the peer.
- * @param PeerPwd Password that must be received from the peer.
- * @returns true if the new server has been added; false otherwise.
- */
- GLOBAL bool
- Conf_AddServer(const char *Name, UINT16 Port, const char *Host,
- const char *MyPwd, const char *PeerPwd)
- {
- int i;
- assert( Name != NULL );
- assert( Host != NULL );
- assert( MyPwd != NULL );
- assert( PeerPwd != NULL );
- /* Search unused item in server configuration structure */
- for( i = 0; i < MAX_SERVERS; i++ ) {
- /* Is this item used? */
- if( ! Conf_Server[i].name[0] ) break;
- }
- if( i >= MAX_SERVERS ) return false;
- Init_Server_Struct( &Conf_Server[i] );
- strlcpy( Conf_Server[i].name, Name, sizeof( Conf_Server[i].name ));
- strlcpy( Conf_Server[i].host, Host, sizeof( Conf_Server[i].host ));
- strlcpy( Conf_Server[i].pwd_out, MyPwd, sizeof( Conf_Server[i].pwd_out ));
- strlcpy( Conf_Server[i].pwd_in, PeerPwd, sizeof( Conf_Server[i].pwd_in ));
- Conf_Server[i].port = Port;
- Conf_Server[i].flags = CONF_SFLAG_ONCE;
- return true;
- }
- /**
- * Check if the given nickname is reserved for services on a particular server.
- *
- * @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_NickIsService(int ConfServer, const char *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 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;
- }
- /**
- * Initialize configuration settings with their default values.
- */
- static void
- Set_Defaults(bool InitServers)
- {
- int i;
- char random[RANDOM_SALT_LEN + 1];
- /* Global */
- strcpy(Conf_ServerName, "");
- strcpy(Conf_ServerAdmin1, "");
- strcpy(Conf_ServerAdmin2, "");
- strcpy(Conf_ServerAdminMail, "");
- snprintf(Conf_ServerInfo, sizeof Conf_ServerInfo, "%s %s",
- PACKAGE_NAME, PACKAGE_VERSION);
- strcpy(Conf_Network, "");
- free(Conf_ListenAddress);
- Conf_ListenAddress = NULL;
- array_free(&Conf_ListenPorts);
- array_free(&Conf_Motd);
- array_free(&Conf_Helptext);
- strlcpy(Conf_MotdFile, SYSCONFDIR, sizeof(Conf_MotdFile));
- strlcat(Conf_MotdFile, MOTD_FILE, sizeof(Conf_MotdFile));
- strlcpy(Conf_HelpFile, DOCDIR, sizeof(Conf_HelpFile));
- strlcat(Conf_HelpFile, HELP_FILE, sizeof(Conf_HelpFile));
- strcpy(Conf_ServerPwd, "");
- strlcpy(Conf_PidFile, PID_FILE, sizeof(Conf_PidFile));
- Conf_UID = Conf_GID = 0;
- /* Limits */
- Conf_ConnectRetry = 60;
- Conf_IdleTimeout = 0;
- Conf_MaxConnections = 0;
- Conf_MaxConnectionsIP = 5;
- Conf_MaxJoins = 10;
- Conf_MaxNickLength = CLIENT_NICK_LEN_DEFAULT;
- Conf_MaxPenaltyTime = -1;
- Conf_MaxListSize = 100;
- Conf_PingTimeout = 120;
- Conf_PongTimeout = 20;
- /* Options */
- strlcpy(Conf_AllowedChannelTypes, CHANTYPES,
- sizeof(Conf_AllowedChannelTypes));
- Conf_AllowRemoteOper = false;
- #ifndef STRICT_RFC
- Conf_AuthPing = false;
- #endif
- strlcpy(Conf_Chroot, CHROOT_DIR, sizeof(Conf_Chroot));
- strcpy(Conf_CloakHost, "");
- strcpy(Conf_CloakHostModeX, "");
- strlcpy(Conf_CloakHostSalt, ngt_RandomStr(random, RANDOM_SALT_LEN),
- sizeof(Conf_CloakHostSalt));
- Conf_CloakUserToNick = false;
- Conf_ConnectIPv4 = true;
- #ifdef WANT_IPV6
- Conf_ConnectIPv6 = true;
- #else
- Conf_ConnectIPv6 = false;
- #endif
- strcpy(Conf_DefaultUserModes, "");
- Conf_DNS = true;
- #ifdef IDENTAUTH
- Conf_Ident = true;
- #else
- Conf_Ident = false;
- #endif
- strcpy(Conf_IncludeDir, "");
- Conf_MorePrivacy = false;
- Conf_NoticeBeforeRegistration = false;
- Conf_OperCanMode = false;
- Conf_OperChanPAutoOp = true;
- Conf_OperServerMode = false;
- #ifdef PAM
- Conf_PAM = true;
- #else
- Conf_PAM = false;
- #endif
- Conf_PAMIsOptional = false;
- strcpy(Conf_PAMServiceName, "ngircd");
- Conf_ScrubCTCP = false;
- #ifdef SYSLOG
- #ifdef LOG_LOCAL5
- Conf_SyslogFacility = LOG_LOCAL5;
- #else
- Conf_SyslogFacility = 0;
- #endif
- #endif
- /* Initialize server configuration structures */
- if (InitServers) {
- for (i = 0; i < MAX_SERVERS;
- Init_Server_Struct(&Conf_Server[i++]));
- }
- }
- /**
- * Get number of configured listening ports.
- *
- * @returns The number of ports (IPv4+IPv6) on which the server should listen.
- */
- static bool
- no_listenports(void)
- {
- size_t cnt = array_bytes(&Conf_ListenPorts);
- #ifdef SSL_SUPPORT
- cnt += array_bytes(&Conf_SSLOptions.ListenPorts);
- #endif
- return cnt == 0;
- }
- /**
- * Read contents of a text file into an array.
- *
- * This function is used to read the MOTD and help text file, for example.
- *
- * @param Filename Name of the file to read.
- * @return true, when the file has been read in.
- */
- static bool
- Read_TextFile(const char *Filename, const char *Name, array *Destination)
- {
- char line[127];
- FILE *fp;
- int line_no = 1;
- if (*Filename == '\0')
- return false;
- fp = fopen(Filename, "r");
- if (!fp) {
- Config_Error(LOG_ERR, "Can't read %s file \"%s\": %s",
- Name, Filename, strerror(errno));
- return false;
- }
- array_free(Destination);
- while (fgets(line, (int)sizeof line, fp)) {
- ngt_TrimLastChr(line, '\n');
- /* add text including \0 */
- if (!array_catb(Destination, line, strlen(line) + 1)) {
- Log(LOG_ERR, "Cannot read/add \"%s\", line %d: %s",
- Filename, line_no, strerror(errno));
- break;
- }
- line_no++;
- }
- fclose(fp);
- return true;
- }
- /**
- * Read ngIRCd configuration file.
- *
- * Please note that this function uses exit(1) on fatal errors and therefore
- * can result in ngIRCd terminating!
- *
- * @param IsStarting Flag indicating if ngIRCd is starting or not.
- * @returns true when the configuration file has been read
- * successfully; false otherwise.
- */
- static bool
- Read_Config(bool TestOnly, bool IsStarting)
- {
- const UINT16 defaultport = 6667;
- char *ptr, file[FNAME_LEN];
- struct dirent *entry;
- int i, n;
- FILE *fd;
- DIR *dh;
- /* Open configuration file */
- fd = fopen( NGIRCd_ConfFile, "r" );
- if( ! fd ) {
- /* No configuration file found! */
- Config_Error( LOG_ALERT, "Can't read configuration \"%s\": %s",
- NGIRCd_ConfFile, strerror( errno ));
- if (!IsStarting)
- return false;
- Config_Error( LOG_ALERT, "%s exiting due to fatal errors!", PACKAGE_NAME );
- exit( 1 );
- }
- opers_free();
- Set_Defaults(IsStarting);
- 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
- * after the next disconnect and delete all unused servers.
- * And delete all servers which are "duplicates" of servers
- * that are already marked as "once" (such servers have been
- * created by the last rehash but are now useless). */
- for( i = 0; i < MAX_SERVERS; i++ ) {
- if( Conf_Server[i].conn_id == NONE ) Init_Server_Struct( &Conf_Server[i] );
- else {
- /* This structure is in use ... */
- if( Conf_Server[i].flags & CONF_SFLAG_ONCE ) {
- /* Check for duplicates */
- for( n = 0; n < MAX_SERVERS; n++ ) {
- if( n == i ) continue;
- if( Conf_Server[i].conn_id == Conf_Server[n].conn_id ) {
- Init_Server_Struct( &Conf_Server[n] );
- #ifdef DEBUG
- Log(LOG_DEBUG,"Deleted unused duplicate server %d (kept %d).",
- n, i );
- #endif
- }
- }
- } else {
- /* Mark server as "once" */
- Conf_Server[i].flags |= CONF_SFLAG_ONCE;
- Log( LOG_DEBUG, "Marked server %d as \"once\"", i );
- }
- }
- }
- /* Initialize variables */
- Init_Server_Struct( &New_Server );
- New_Server_Idx = NONE;
- #ifdef SSL_SUPPORT
- ConfSSL_Init();
- #endif
- Read_Config_File(NGIRCd_ConfFile, fd);
- fclose(fd);
- if (Conf_IncludeDir[0]) {
- dh = opendir(Conf_IncludeDir);
- if (!dh)
- Config_Error(LOG_ALERT,
- "Can't open include directory \"%s\": %s",
- Conf_IncludeDir, strerror(errno));
- } else {
- strlcpy(Conf_IncludeDir, SYSCONFDIR, sizeof(Conf_IncludeDir));
- strlcat(Conf_IncludeDir, CONFIG_DIR, sizeof(Conf_IncludeDir));
- dh = opendir(Conf_IncludeDir);
- }
- /* Include further configuration files, if IncludeDir is available */
- if (dh) {
- while ((entry = readdir(dh)) != NULL) {
- ptr = strrchr(entry->d_name, '.');
- if (!ptr || strcasecmp(ptr, ".conf") != 0)
- continue;
- snprintf(file, sizeof(file), "%s/%s",
- Conf_IncludeDir, entry->d_name);
- if (TestOnly)
- Config_Error(LOG_INFO,
- "Reading configuration from \"%s\" ...",
- file);
- fd = fopen(file, "r");
- if (fd) {
- Read_Config_File(file, fd);
- fclose(fd);
- } else
- Config_Error(LOG_ALERT,
- "Can't read configuration \"%s\": %s",
- file, strerror(errno));
- }
- closedir(dh);
- }
- /* Check if there is still a server to add */
- if( New_Server.name[0] ) {
- /* Copy data to "real" server structure */
- assert( New_Server_Idx > NONE );
- Conf_Server[New_Server_Idx] = New_Server;
- }
- /* not a single listening port? Add default. */
- if (no_listenports() &&
- !array_copyb(&Conf_ListenPorts, (char*) &defaultport, sizeof defaultport))
- {
- Config_Error(LOG_ALERT, "Could not add default listening Port %u: %s",
- (unsigned int) defaultport, strerror(errno));
- exit(1);
- }
- if (!Conf_ListenAddress)
- Conf_ListenAddress = strdup_warn(DEFAULT_LISTEN_ADDRSTR);
- if (!Conf_ListenAddress) {
- Config_Error(LOG_ALERT, "%s exiting due to fatal errors!", PACKAGE_NAME);
- exit(1);
- }
- /* No MOTD phrase configured? (re)try motd file. */
- if (array_bytes(&Conf_Motd) == 0) {
- if (Read_TextFile(Conf_MotdFile, "MOTD", &Conf_Motd))
- Using_MotdFile = true;
- }
- /* Try to read ngIRCd help text file. */
- (void)Read_TextFile(Conf_HelpFile, "help text", &Conf_Helptext);
- if (!array_bytes(&Conf_Helptext))
- Config_Error(LOG_WARNING,
- "No help text available, HELP command will be of limited use.");
- #ifdef SSL_SUPPORT
- /* Make sure that all SSL-related files are readable */
- CheckFileReadable("CertFile", Conf_SSLOptions.CertFile);
- CheckFileReadable("DHFile", Conf_SSLOptions.DHFile);
- CheckFileReadable("KeyFile", Conf_SSLOptions.KeyFile);
- /* Set the default ciphers if none were configured */
- if (!Conf_SSLOptions.CipherList)
- Conf_SSLOptions.CipherList = strdup_warn(DEFAULT_CIPHERS);
- #endif
- return true;
- }
- /**
- * Read in and handle a configuration file.
- *
- * @param File Name of the configuration file.
- * @param fd File descriptor already opened for reading.
- */
- static void
- Read_Config_File(const char *File, FILE *fd)
- {
- char section[LINE_LEN], str[LINE_LEN], *var, *arg, *ptr;
- int i, line = 0;
- size_t count;
- /* Read configuration file */
- section[0] = '\0';
- while (true) {
- if (!fgets(str, sizeof(str), fd))
- break;
- ngt_TrimStr(str);
- line++;
- /* Skip comments and empty lines */
- if (str[0] == ';' || str[0] == '#' || str[0] == '\0')
- continue;
- if (strlen(str) >= sizeof(str) - 1) {
- Config_Error(LOG_WARNING, "%s, line %d too long!",
- File, line);
- continue;
- }
- /* 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
- #ifdef SSL_SUPPORT
- || strcasecmp(section, "[SSL]") == 0
- #endif
- )
- continue;
- if (strcasecmp(section, "[SERVER]") == 0) {
- /* Check if there is already a server to add */
- if (New_Server.name[0]) {
- /* Copy data to "real" server structure */
- assert(New_Server_Idx > NONE);
- Conf_Server[New_Server_Idx] =
- New_Server;
- }
- /* Re-init structure for new server */
- Init_Server_Struct(&New_Server);
- /* Search unused item in server configuration structure */
- for (i = 0; i < MAX_SERVERS; i++) {
- /* Is this item used? */
- if (!Conf_Server[i].name[0])
- break;
- }
- if (i >= MAX_SERVERS) {
- /* Oops, no free item found! */
- Config_Error(LOG_ERR,
- "Too many servers configured.");
- New_Server_Idx = NONE;
- } else
- New_Server_Idx = i;
- continue;
- }
- if (strcasecmp(section, "[CHANNEL]") == 0) {
- 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) {
- 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;
- }
- Config_Error(LOG_ERR,
- "%s, line %d: Unknown section \"%s\"!",
- File, line, section);
- section[0] = 0x1;
- }
- if (section[0] == 0x1)
- continue;
- /* Split line into variable name and parameters */
- ptr = strchr(str, '=');
- if (!ptr) {
- Config_Error(LOG_ERR, "%s, line %d: Syntax error!",
- File, line);
- continue;
- }
- *ptr = '\0';
- var = str;
- ngt_TrimStr(var);
- arg = ptr + 1;
- ngt_TrimStr(arg);
- if (strcasecmp(section, "[GLOBAL]") == 0)
- Handle_GLOBAL(File, line, var, arg);
- else if (strcasecmp(section, "[LIMITS]") == 0)
- Handle_LIMITS(File, line, var, arg);
- else if (strcasecmp(section, "[OPTIONS]") == 0)
- Handle_OPTIONS(File, line, var, arg);
- #ifdef SSL_SUPPORT
- else if (strcasecmp(section, "[SSL]") == 0)
- Handle_SSL(File, line, var, arg);
- #endif
- else if (strcasecmp(section, "[OPERATOR]") == 0)
- Handle_OPERATOR(File, line, var, arg);
- else if (strcasecmp(section, "[SERVER]") == 0)
- Handle_SERVER(File, line, var, arg);
- else if (strcasecmp(section, "[CHANNEL]") == 0)
- Handle_CHANNEL(File, line, var, arg);
- else
- Config_Error(LOG_ERR,
- "%s, line %d: Variable \"%s\" outside section!",
- File, line, var);
- }
- }
- /**
- * Check whether a string argument is "true" or "false".
- *
- * @param Arg Input string.
- * @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)
- {
- if (strcasecmp(Arg, "yes") == 0)
- return true;
- if (strcasecmp(Arg, "true") == 0)
- return true;
- if (atoi(Arg) != 0)
- return true;
- return false;
- }
- /**
- * Handle setting of "MaxNickLength".
- *
- * @param Line Line number in configuration file.
- * @raram Arg Input string.
- * @returns New configured maximum nickname length.
- */
- static unsigned int
- Handle_MaxNickLength(const char *File, int Line, const char *Arg)
- {
- unsigned new;
- new = (unsigned) atoi(Arg) + 1;
- if (new > CLIENT_NICK_LEN) {
- Config_Error(LOG_WARNING,
- "%s, line %d: Value of \"MaxNickLength\" exceeds %u!",
- File, Line, CLIENT_NICK_LEN - 1);
- return CLIENT_NICK_LEN;
- }
- if (new < 2) {
- Config_Error(LOG_WARNING,
- "%s, line %d: Value of \"MaxNickLength\" must be at least 1!",
- File, Line);
- return 2;
- }
- return new;
- }
- /**
- * Output a warning messages if IDENT is configured but not compiled in.
- */
- static void
- WarnIdent(const char UNUSED *File, int UNUSED Line)
- {
- #ifndef IDENTAUTH
- if (Conf_Ident) {
- /* user has enabled ident lookups explicitly, but ... */
- Config_Error(LOG_WARNING,
- "%s: line %d: \"Ident = yes\", but ngircd was built without IDENT support!",
- File, Line);
- }
- #endif
- }
- /**
- * Output a warning messages if IPv6 is configured but not compiled in.
- */
- static void
- WarnIPv6(const char UNUSED *File, int UNUSED Line)
- {
- #ifndef WANT_IPV6
- if (Conf_ConnectIPv6) {
- /* user has enabled IPv6 explicitly, but ... */
- Config_Error(LOG_WARNING,
- "%s: line %d: \"ConnectIPv6 = yes\", but ngircd was built without IPv6 support!",
- File, Line);
- }
- #endif
- }
- /**
- * Output a warning messages if PAM is configured but not compiled in.
- */
- static void
- WarnPAM(const char UNUSED *File, int UNUSED Line)
- {
- #ifndef PAM
- if (Conf_PAM) {
- Config_Error(LOG_WARNING,
- "%s: line %d: \"PAM = yes\", but ngircd was built without PAM support!",
- File, Line);
- }
- #endif
- }
- /**
- * Handle legacy "NoXXX" options in [GLOBAL] section.
- *
- * TODO: This function and support for "NoXXX" could be removed starting
- * with ngIRCd release 19 (one release after marking it "deprecated").
- *
- * @param Var Variable name.
- * @param Arg Argument string.
- * @returns true if a NoXXX option has been processed; false otherwise.
- */
- static bool
- CheckLegacyNoOption(const char *Var, const char *Arg)
- {
- if(strcasecmp(Var, "NoDNS") == 0) {
- Conf_DNS = !Check_ArgIsTrue( Arg );
- return true;
- }
- if (strcasecmp(Var, "NoIdent") == 0) {
- Conf_Ident = !Check_ArgIsTrue(Arg);
- return true;
- }
- if(strcasecmp(Var, "NoPAM") == 0) {
- Conf_PAM = !Check_ArgIsTrue(Arg);
- return true;
- }
- return false;
- }
- /**
- * Handle deprecated legacy options in [GLOBAL] section.
- *
- * TODO: This function and support for these options in the [Global] section
- * could be removed starting with ngIRCd release 19 (one release after
- * marking it "deprecated").
- *
- * @param Var Variable name.
- * @param Arg Argument string.
- * @returns true if a legacy option has been processed; false otherwise.
- */
- static const char*
- CheckLegacyGlobalOption(const char *File, int Line, char *Var, char *Arg)
- {
- if (strcasecmp(Var, "AllowRemoteOper") == 0
- || strcasecmp(Var, "ChrootDir") == 0
- || 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
- || strcasecmp(Var, "WebircPassword") == 0) {
- Handle_OPTIONS(File, Line, Var, Arg);
- return "[Options]";
- }
- if (strcasecmp(Var, "ConnectRetry") == 0
- || strcasecmp(Var, "IdleTimeout") == 0
- || strcasecmp(Var, "MaxConnections") == 0
- || strcasecmp(Var, "MaxConnectionsIP") == 0
- || strcasecmp(Var, "MaxJoins") == 0
- || strcasecmp(Var, "MaxNickLength") == 0
- || strcasecmp(Var, "PingTimeout") == 0
- || strcasecmp(Var, "PongTimeout") == 0) {
- Handle_LIMITS(File, Line, Var, Arg);
- return "[Limits]";
- }
- #ifdef SSL_SUPPORT
- if (strcasecmp(Var, "SSLCertFile") == 0
- || strcasecmp(Var, "SSLDHFile") == 0
- || strcasecmp(Var, "SSLKeyFile") == 0
- || strcasecmp(Var, "SSLKeyFilePassword") == 0
- || strcasecmp(Var, "SSLPorts") == 0) {
- Handle_SSL(File, Line, Var + 3, Arg);
- return "[SSL]";
- }
- #endif
- return NULL;
- }
- /**
- * Strip "no" prefix of a string.
- *
- * TODO: This function and support for "NoXXX" should be removed starting
- * with ngIRCd release 19! (One release after marking it "deprecated").
- *
- * @param str Pointer to input string starting with "no".
- * @returns New pointer to string without "no" prefix.
- */
- static const char *
- NoNo(const char *str)
- {
- assert(strncasecmp("no", str, 2) == 0 && str[2]);
- return str + 2;
- }
- /**
- * Invert "boolean" string.
- *
- * TODO: This function and support for "NoXXX" should be removed starting
- * with ngIRCd release 19! (One release after marking it "deprecated").
- *
- * @param arg "Boolean" input string.
- * @returns Pointer to inverted "boolean string".
- */
- static const char *
- InvertArg(const char *arg)
- {
- return yesno_to_str(!Check_ArgIsTrue(arg));
- }
- /**
- * Handle variable in [Global] configuration section.
- *
- * @param Line Line numer in configuration file.
- * @param Var Variable name.
- * @param Arg Variable argument.
- */
- static void
- Handle_GLOBAL(const char *File, int Line, char *Var, char *Arg )
- {
- struct passwd *pwd;
- struct group *grp;
- size_t len;
- const char *section;
- char *ptr;
- assert(File != NULL);
- assert(Line > 0);
- assert(Var != NULL);
- assert(Arg != NULL);
- if (strcasecmp(Var, "Name") == 0) {
- len = strlcpy(Conf_ServerName, Arg, sizeof(Conf_ServerName));
- if (len >= sizeof(Conf_ServerName))
- Config_Error_TooLong(File, Line, Var);
- return;
- }
- if (strcasecmp(Var, "AdminInfo1") == 0) {
- len = strlcpy(Conf_ServerAdmin1, Arg, sizeof(Conf_ServerAdmin1));
- if (len >= sizeof(Conf_ServerAdmin1))
- Config_Error_TooLong(File, Line, Var);
- return;
- }
- if (strcasecmp(Var, "AdminInfo2") == 0) {
- len = strlcpy(Conf_ServerAdmin2, Arg, sizeof(Conf_ServerAdmin2));
- if (len >= sizeof(Conf_ServerAdmin2))
- Config_Error_TooLong(File, Line, Var);
- return;
- }
- if (strcasecmp(Var, "AdminEMail") == 0) {
- len = strlcpy(Conf_ServerAdminMail, Arg,
- sizeof(Conf_ServerAdminMail));
- if (len >= sizeof(Conf_ServerAdminMail))
- Config_Error_TooLong(File, Line, Var);
- return;
- }
- if (strcasecmp(Var, "Info") == 0) {
- len = strlcpy(Conf_ServerInfo, Arg, sizeof(Conf_ServerInfo));
- if (len >= sizeof(Conf_ServerInfo))
- Config_Error_TooLong(File, Line, Var);
- return;
- }
- if (strcasecmp(Var, "HelpFile") == 0) {
- len = strlcpy(Conf_HelpFile, Arg, sizeof(Conf_HelpFile));
- if (len >= sizeof(Conf_HelpFile))
- Config_Error_TooLong(File, Line, Var);
- return;
- }
- if (strcasecmp(Var, "Listen") == 0) {
- if (Conf_ListenAddress) {
- Config_Error(LOG_ERR,
- "Multiple Listen= options, ignoring: %s",
- Arg);
- return;
- }
- Conf_ListenAddress = strdup_warn(Arg);
- /* If allocation fails, we're in trouble: we cannot ignore the
- * error -- otherwise ngircd would listen on all interfaces. */
- if (!Conf_ListenAddress) {
- Config_Error(LOG_ALERT,
- "%s exiting due to fatal errors!",
- PACKAGE_NAME);
- exit(1);
- }
- return;
- }
- if (strcasecmp(Var, "MotdFile") == 0) {
- len = strlcpy(Conf_MotdFile, Arg, sizeof(Conf_MotdFile));
- if (len >= sizeof(Conf_MotdFile))
- Config_Error_TooLong(File, Line, Var);
- return;
- }
- if (strcasecmp(Var, "MotdPhrase") == 0) {
- len = strlen(Arg);
- if (len == 0)
- return;
- if (len >= 127) {
- Config_Error_TooLong(File, Line, Var);
- return;
- }
- if (!array_copyb(&Conf_Motd, Arg, len + 1))
- Config_Error(LOG_WARNING,
- "%s, line %d: Could not append MotdPhrase: %s",
- File, Line, strerror(errno));
- Using_MotdFile = false;
- return;
- }
- if (strcasecmp(Var, "Network") == 0) {
- len = strlcpy(Conf_Network, Arg, sizeof(Conf_Network));
- if (len >= sizeof(Conf_Network))
- Config_Error_TooLong(File, Line, Var);
- ptr = strchr(Conf_Network, ' ');
- if (ptr) {
- Config_Error(LOG_WARNING,
- "%s, line %d: \"Network\" can't contain spaces!",
- File, Line);
- *ptr = '\0';
- }
- return;
- }
- if(strcasecmp(Var, "Password") == 0) {
- len = strlcpy(Conf_ServerPwd, Arg, sizeof(Conf_ServerPwd));
- if (len >= sizeof(Conf_ServerPwd))
- Config_Error_TooLong(File, Line, Var);
- return;
- }
- if (strcasecmp(Var, "PidFile") == 0) {
- len = strlcpy(Conf_PidFile, Arg, sizeof(Conf_PidFile));
- if (len >= sizeof(Conf_PidFile))
- Config_Error_TooLong(File, Line, Var);
- return;
- }
- if (strcasecmp(Var, "Ports") == 0) {
- ports_parse(&Conf_ListenPorts, File, Line, Arg);
- return;
- }
- if (strcasecmp(Var, "ServerGID") == 0) {
- grp = getgrnam(Arg);
- if (grp)
- Conf_GID = grp->gr_gid;
- else {
- Conf_GID = (unsigned int)atoi(Arg);
- if (!Conf_GID && strcmp(Arg, "0"))
- Config_Error(LOG_WARNING,
- "%s, line %d: Value of \"%s\" is not a valid group name or ID!",
- File, Line, Var);
- }
- return;
- }
- if (strcasecmp(Var, "ServerUID") == 0) {
- pwd = getpwnam(Arg);
- if (pwd)
- Conf_UID = pwd->pw_uid;
- else {
- Conf_UID = (unsigned int)atoi(Arg);
- if (!Conf_UID && strcmp(Arg, "0"))
- Config_Error(LOG_WARNING,
- "%s, line %d: Value of \"%s\" is not a valid user name or ID!",
- File, Line, Var);
- }
- return;
- }
- if (CheckLegacyNoOption(Var, Arg)) {
- /* TODO: This function and support for "NoXXX" could be
- * be removed starting with ngIRCd release 19 (one release
- * after marking it "deprecated"). */
- Config_Error(LOG_WARNING,
- "%s, line %d (section \"Global\"): \"No\"-Prefix is deprecated, use \"%s = %s\" in [Options] section!",
- File, Line, NoNo(Var), InvertArg(Arg));
- if (strcasecmp(Var, "NoIdent") == 0)
- WarnIdent(File, Line);
- else if (strcasecmp(Var, "NoPam") == 0)
- WarnPAM(File, Line);
- return;
- }
- if ((section = CheckLegacyGlobalOption(File, Line, Var, Arg))) {
- /** TODO: This function and support for these options in the
- * [Global] section could be removed starting with ngIRCd
- * release 19 (one release after marking it "deprecated"). */
- if (strncasecmp(Var, "SSL", 3) == 0) {
- Config_Error(LOG_WARNING,
- "%s, line %d (section \"Global\"): \"%s\" is deprecated here, move it to %s and rename to \"%s\"!",
- File, Line, Var, section,
- Var + 3);
- } else {
- Config_Error(LOG_WARNING,
- "%s, line %d (section \"Global\"): \"%s\" is deprecated here, move it to %s!",
- File, Line, Var, section);
- }
- return;
- }
- Config_Error_Section(File, Line, Var, "Global");
- }
- /**
- * Handle variable in [Limits] configuration section.
- *
- * @param Line Line numer in configuration file.
- * @param Var Variable name.
- * @param Arg Variable argument.
- */
- static void
- Handle_LIMITS(const char *File, int Line, char *Var, char *Arg)
- {
- assert(File != NULL);
- assert(Line > 0);
- assert(Var != NULL);
- assert(Arg != NULL);
- if (strcasecmp(Var, "ConnectRetry") == 0) {
- Conf_ConnectRetry = atoi(Arg);
- if (Conf_ConnectRetry < 5) {
- Config_Error(LOG_WARNING,
- "%s, line %d: Value of \"ConnectRetry\" too low!",
- File, Line);
- Conf_ConnectRetry = 5;
- }
- return;
- }
- if (strcasecmp(Var, "IdleTimeout") == 0) {
- Conf_IdleTimeout = atoi(Arg);
- if (!Conf_IdleTimeout && strcmp(Arg, "0"))
- Config_Error_NaN(File, Line, Var);
- return;
- }
- if (strcasecmp(Var, "MaxConnections") == 0) {
- Conf_MaxConnections = atoi(Arg);
- if (!Conf_MaxConnections && strcmp(Arg, "0"))
- Config_Error_NaN(File, Line, Var);
- return;
- }
- if (strcasecmp(Var, "MaxConnectionsIP") == 0) {
- Conf_MaxConnectionsIP = atoi(Arg);
- if (!Conf_MaxConnectionsIP && strcmp(Arg, "0"))
- Config_Error_NaN(File, Line, Var);
- return;
- }
- if (strcasecmp(Var, "MaxJoins") == 0) {
- Conf_MaxJoins = atoi(Arg);
- if (!Conf_MaxJoins && strcmp(Arg, "0"))
- Config_Error_NaN(File, Line, Var);
- return;
- }
- if (strcasecmp(Var, "MaxNickLength") == 0) {
- Conf_MaxNickLength = Handle_MaxNickLength(File, Line, Arg);
- return;
- }
- if (strcasecmp(Var, "MaxListSize") == 0) {
- Conf_MaxListSize = atoi(Arg);
- if (!Conf_MaxListSize && strcmp(Arg, "0"))
- Config_Error_NaN(File, Line, Var);
- return;
- }
- if (strcasecmp(Var, "MaxPenaltyTime") == 0) {
- Conf_MaxPenaltyTime = atol(Arg);
- if (Conf_MaxPenaltyTime < -1)
- Conf_MaxPenaltyTime = -1; /* "unlimited" */
- return;
- }
- if (strcasecmp(Var, "PingTimeout") == 0) {
- Conf_PingTimeout = atoi(Arg);
- if (Conf_PingTimeout < 5) {
- Config_Error(LOG_WARNING,
- "%s, line %d: Value of \"PingTimeout\" too low!",
- File, Line);
- Conf_PingTimeout = 5;
- }
- return;
- }
- if (strcasecmp(Var, "PongTimeout") == 0) {
- Conf_PongTimeout = atoi(Arg);
- if (Conf_PongTimeout < 5) {
- Config_Error(LOG_WARNING,
- "%s, line %d: Value of \"PongTimeout\" too low!",
- File, Line);
- Conf_PongTimeout = 5;
- }
- return;
- }
- Config_Error_Section(File, Line, Var, "Limits");
- }
- /**
- * Handle variable in [Options] configuration section.
- *
- * @param Line Line numer in configuration file.
- * @param Var Variable name.
- * @param Arg Variable argument.
- */
- static void
- Handle_OPTIONS(const char *File, int Line, char *Var, char *Arg)
- {
- size_t len;
- char *p;
- assert(File != NULL);
- assert(Line > 0);
- assert(Var != NULL);
- assert(Arg != NULL);
- if (strcasecmp(Var, "AllowedChannelTypes") == 0) {
- p = Arg;
- Conf_AllowedChannelTypes[0] = '\0';
- while (*p) {
- if (strchr(Conf_AllowedChannelTypes, *p)) {
- /* Prefix is already included; ignore it */
- p++;
- continue;
- }
- if (strchr(CHANTYPES, *p)) {
- len = strlen(Conf_AllowedChannelTypes) + 1;
- assert(len < sizeof(Conf_AllowedChannelTypes));
- Conf_AllowedChannelTypes[len - 1] = *p;
- Conf_AllowedChannelTypes[len] = '\0';
- } else {
- Config_Error(LOG_WARNING,
- "%s, line %d: Unknown channel prefix \"%c\" in \"AllowedChannelTypes\"!",
- File, Line, *p);
- }
- p++;
- }
- return;
- }
- if (strcasecmp(Var, "AllowRemoteOper") == 0) {
- Conf_AllowRemoteOper = Check_ArgIsTrue(Arg);
- return;
- }
- if (strcasecmp(Var, "ChrootDir") == 0) {
- len = strlcpy(Conf_Chroot, Arg, sizeof(Conf_Chroot));
- if (len >= sizeof(Conf_Chroot))
- Config_Error_TooLong(File, Line, Var);
- return;
- }
- if (strcasecmp(Var, "CloakHost") == 0) {
- len = strlcpy(Conf_CloakHost, Arg, sizeof(Conf_CloakHost));
- if (len >= sizeof(Conf_CloakHost))
- Config_Error_TooLong(File, Line, Var);
- return;
- }
- if (strcasecmp(Var, "CloakHostModeX") == 0) {
- len = strlcpy(Conf_CloakHostModeX, Arg, sizeof(Conf_CloakHostModeX));
- if (len >= sizeof(Conf_CloakHostModeX))
- Config_Error_TooLong(File, Line, Var);
- return;
- }
- if (strcasecmp(Var, "CloakHostSalt") == 0) {
- len = strlcpy(Conf_CloakHostSalt, Arg, sizeof(Conf_CloakHostSalt));
- if (len >= sizeof(Conf_CloakHostSalt))
- Config_Error_TooLong(File, Line, Var);
- return;
- }
- if (strcasecmp(Var, "CloakUserToNick") == 0) {
- Conf_CloakUserToNick = Check_ArgIsTrue(Arg);
- return;
- }
- if (strcasecmp(Var, "ConnectIPv6") == 0) {
- Conf_ConnectIPv6 = Check_ArgIsTrue(Arg);
- WarnIPv6(File, Line);
- return;
- }
- if (strcasecmp(Var, "ConnectIPv4") == 0) {
- Conf_ConnectIPv4 = Check_ArgIsTrue(Arg);
- return;
- }
- if (strcasecmp(Var, "DefaultUserModes") == 0) {
- p = Arg;
- Conf_DefaultUserModes[0] = '\0';
- while (*p) {
- if (strchr(Conf_DefaultUserModes, *p)) {
- /* Mode is already included; ignore it */
- p++;
- continue;
- }
- if (strchr(USERMODES, *p)) {
- len = strlen(Conf_DefaultUserModes) + 1;
- assert(len < sizeof(Conf_DefaultUserModes));
- Conf_DefaultUserModes[len - 1] = *p;
- Conf_DefaultUserModes[len] = '\0';
- } else {
- Config_Error(LOG_WARNING,
- "%s, line %d: Unknown user mode \"%c\" in \"DefaultUserModes\"!",
- File, Line, *p);
- }
- p++;
- }
- return;
- }
- if (strcasecmp(Var, "DNS") == 0) {
- Conf_DNS = Check_ArgIsTrue(Arg);
- return;
- }
- if (strcasecmp(Var, "Ident") == 0) {
- Conf_Ident = Check_ArgIsTrue(Arg);
- WarnIdent(File, Line);
- return;
- }
- if (strcasecmp(Var, "IncludeDir") == 0) {
- if (Conf_IncludeDir[0]) {
- Config_Error(LOG_ERR,
- "%s, line %d: Can't overwrite value of \"IncludeDir\" variable!",
- File, Line);
- return;
- }
- len = strlcpy(Conf_IncludeDir, Arg, sizeof(Conf_IncludeDir));
- if (len >= sizeof(Conf_IncludeDir))
- Config_Error_TooLong(File, Line, Var);
- return;
- }
- if (strcasecmp(Var, "MorePrivacy") == 0) {
- Conf_MorePrivacy = Check_ArgIsTrue(Arg);
- return;
- }
- if (strcasecmp(Var, "NoticeAuth") == 0) {
- /*
- * TODO: This section and support for "NoticeAuth" variable
- * could be removed starting with ngIRCd release 24 (one
- * release after marking it "deprecated") ...
- */
- Config_Error(LOG_WARNING,
- "%s, line %d (section \"Options\"): \"%s\" is deprecated, please use \"NoticeBeforeRegistration\"!",
- File, Line, Var);
- Conf_NoticeBeforeRegistration = Check_ArgIsTrue(Arg);
- return;
- }
- if (strcasecmp(Var, "NoticeBeforeRegistration") == 0) {
- Conf_NoticeBeforeRegistration = Check_ArgIsTrue(Arg);
- return;
- }
- if (strcasecmp(Var, "OperCanUseMode") == 0) {
- 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;
- }
- if (strcasecmp(Var, "PAM") == 0) {
- Conf_PAM = Check_ArgIsTrue(Arg);
- WarnPAM(File, Line);
- return;
- }
- if (strcasecmp(Var, "PAMIsOptional") == 0 ) {
- Conf_PAMIsOptional = Check_ArgIsTrue(Arg);
- return;
- }
- if (strcasecmp(Var, "PAMServiceName") == 0) {
- len = strlcpy(Conf_PAMServiceName, Arg, sizeof(Conf_PAMServiceName));
- if (len >= sizeof(Conf_PAMServiceName))
- Config_Error_TooLong(File, Line, Var);
- return;
- }
- if (strcasecmp(Var, "PredefChannelsOnly") == 0) {
- /*
- * TODO: This section and support for "PredefChannelsOnly"
- * could be removed starting with ngIRCd release 22 (one
- * release after marking it "deprecated") ...
- */
- Config_Error(LOG_WARNING,
- "%s, line %d (section \"Options\"): \"%s\" is deprecated, please use \"AllowedChannelTypes\"!",
- File, Line, Var);
- if (Check_ArgIsTrue(Arg))
- Conf_AllowedChannelTypes[0] = '\0';
- else
- strlcpy(Conf_AllowedChannelTypes, CHANTYPES,
- sizeof(Conf_AllowedChannelTypes));
- return;
- }
- #ifndef STRICT_RFC
- if (strcasecmp(Var, "RequireAuthPing") == 0) {
- Conf_AuthPing = Check_ArgIsTrue(Arg);
- return;
- }
- #endif
- if (strcasecmp(Var, "ScrubCTCP") == 0) {
- Conf_ScrubCTCP = Check_ArgIsTrue(Arg);
- return;
- }
- #ifdef SYSLOG
- if (strcasecmp(Var, "SyslogFacility") == 0) {
- Conf_SyslogFacility = ngt_SyslogFacilityID(Arg,
- Conf_SyslogFacility);
- return;
- }
- #endif
- if (strcasecmp(Var, "WebircPassword") == 0) {
- len = strlcpy(Conf_WebircPwd, Arg, sizeof(Conf_WebircPwd));
- if (len >= sizeof(Conf_WebircPwd))
- Config_Error_TooLong(File, Line, Var);
- return;
- }
- Config_Error_Section(File, Line, Var, "Options");
- }
- #ifdef SSL_SUPPORT
- /**
- * Handle variable in [SSL] configuration section.
- *
- * @param Line Line numer in configuration file.
- * @param Var Variable name.
- * @param Arg Variable argument.
- */
- static void
- Handle_SSL(const char *File, int Line, char *Var, char *Arg)
- {
- assert(File != NULL);
- assert(Line > 0);
- assert(Var != NULL);
- assert(Arg != NULL);
- if (strcasecmp(Var, "CertFile") == 0) {
- assert(Conf_SSLOptions.CertFile == NULL);
- Conf_SSLOptions.CertFile = strdup_warn(Arg);
- return;
- }
- if (strcasecmp(Var, "DHFile") == 0) {
- assert(Conf_SSLOptions.DHFile == NULL);
- Conf_SSLOptions.DHFile = strdup_warn(Arg);
- return;
- }
- if (strcasecmp(Var, "KeyFile") == 0) {
- assert(Conf_SSLOptions.KeyFile == NULL);
- Conf_SSLOptions.KeyFile = strdup_warn(Arg);
- return;
- }
- if (strcasecmp(Var, "KeyFilePassword") == 0) {
- assert(array_bytes(&Conf_SSLOptions.KeyFilePassword) == 0);
- if (!array_copys(&Conf_SSLOptions.KeyFilePassword, Arg))
- Config_Error(LOG_ERR,
- "%s, line %d (section \"SSL\"): Could not copy %s: %s!",
- File, Line, Var, strerror(errno));
- return;
- }
- if (strcasecmp(Var, "Ports") == 0) {
- ports_parse(&Conf_SSLOptions.ListenPorts, File, Line, Arg);
- return;
- }
- if (strcasecmp(Var, "CipherList") == 0) {
- assert(Conf_SSLOptions.CipherList == NULL);
- Conf_SSLOptions.CipherList = strdup_warn(Arg);
- return;
- }
- Config_Error_Section(File, Line, Var, "SSL");
- }
- #endif
- /**
- * Handle variable in [Operator] configuration section.
- *
- * @param Line Line numer in configuration file.
- * @param Var Variable name.
- * @param Arg Variable argument.
- */
- static void
- Handle_OPERATOR(const char *File, int Line, char *Var, char *Arg )
- {
- size_t len;
- struct Conf_Oper *op;
- assert( File != NULL );
- assert( Line > 0 );
- assert( Var != NULL );
- assert( Arg != NULL );
- 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 */
- len = strlcpy(op->name, Arg, sizeof(op->name));
- if (len >= sizeof(op->name))
- Config_Error_TooLong(File, Line, Var);
- return;
- }
- if (strcasecmp(Var, "Password") == 0) {
- /* Password of IRC operator */
- len = strlcpy(op->pwd, Arg, sizeof(op->pwd));
- if (len >= sizeof(op->pwd))
- Config_Error_TooLong(File, Line, Var);
- return;
- }
- if (strcasecmp(Var, "Mask") == 0) {
- if (op->mask)
- return; /* Hostname already configured */
- op->mask = strdup_warn( Arg );
- return;
- }
- Config_Error_Section(File, Line, Var, "Operator");
- }
- /**
- * Handle variable in [Server] configuration section.
- *
- * @param Line Line numer in configuration file.
- * @param Var Variable name.
- * @param Arg Variable argument.
- */
- static void
- Handle_SERVER(const char *File, int Line, char *Var, char *Arg )
- {
- long port;
- size_t len;
- assert( File != NULL );
- assert( Line > 0 );
- assert( Var != NULL );
- assert( Arg != NULL );
- /* Ignore server block if no space is left in server configuration structure */
- if( New_Server_Idx <= NONE ) return;
- if( strcasecmp( Var, "Host" ) == 0 ) {
- /* Hostname of the server */
- len = strlcpy( New_Server.host, Arg, sizeof( New_Server.host ));
- if (len >= sizeof( New_Server.host ))
- Config_Error_TooLong(File, Line, Var);
- return;
- }
- if( strcasecmp( Var, "Name" ) == 0 ) {
- /* Name of the server ("Nick"/"ID") */
- len = strlcpy( New_Server.name, Arg, sizeof( New_Server.name ));
- if (len >= sizeof( New_Server.name ))
- Config_Error_TooLong(File, Line, Var);
- return;
- }
- if (strcasecmp(Var, "Bind") == 0) {
- if (ng_ipaddr_init(&New_Server.bind_addr, Arg, 0))
- return;
- Config_Error(LOG_ERR, "%s, line %d (section \"Server\"): Can't parse IP address \"%s\"",
- File, Line, Arg);
- return;
- }
- if( strcasecmp( Var, "MyPassword" ) == 0 ) {
- /* Password of this server which is sent to the peer */
- if (*Arg == ':') {
- Config_Error(LOG_ERR,
- "%s, line %d (section \"Server\"): MyPassword must not start with ':'!",
- File, Line);
- }
- len = strlcpy( New_Server.pwd_in, Arg, sizeof( New_Server.pwd_in ));
- if (len >= sizeof( New_Server.pwd_in ))
- Config_Error_TooLong(File, Line, Var);
- return;
- }
- if( strcasecmp( Var, "PeerPassword" ) == 0 ) {
- /* Passwort of the peer which must be received */
- len = strlcpy( New_Server.pwd_out, Arg, sizeof( New_Server.pwd_out ));
- if (len >= sizeof( New_Server.pwd_out ))
- Config_Error_TooLong(File, Line, Var);
- return;
- }
- if( strcasecmp( Var, "Port" ) == 0 ) {
- /* Port to which this server should connect */
- port = atol( Arg );
- if (port >= 0 && port < 0xFFFF)
- New_Server.port = (UINT16)port;
- else
- Config_Error(LOG_ERR,
- "%s, line %d (section \"Server\"): Illegal port number %ld!",
- File, Line, port );
- return;
- }
- #ifdef SSL_SUPPORT
- if( strcasecmp( Var, "SSLConnect" ) == 0 ) {
- New_Server.SSLConnect = Check_ArgIsTrue(Arg);
- return;
- }
- #endif
- if( strcasecmp( Var, "Group" ) == 0 ) {
- /* Server group */
- New_Server.group = atoi( Arg );
- if (!New_Server.group && strcmp(Arg, "0"))
- Config_Error_NaN(File, Line, Var);
- return;
- }
- if( strcasecmp( Var, "Passive" ) == 0 ) {
- if (Check_ArgIsTrue(Arg))
- New_Server.flags |= CONF_SFLAG_DISABLED;
- return;
- }
- if (strcasecmp(Var, "ServiceMask") == 0) {
- len = strlcpy(New_Server.svs_mask, ngt_LowerStr(Arg),
- sizeof(New_Server.svs_mask));
- if (len >= sizeof(New_Server.svs_mask))
- Config_Error_TooLong(File, Line, Var);
- return;
- }
- Config_Error_Section(File, Line, Var, "Server");
- }
- /**
- * Copy channel name into channel structure.
- *
- * If the channel name is not valid because of a missing prefix ('#', '&'),
- * a default prefix of '#' will be added.
- *
- * @param new_chan New already allocated channel structure.
- * @param name Name of the new channel.
- * @returns true on success, false otherwise.
- */
- static bool
- Handle_Channelname(struct Conf_Channel *new_chan, const char *name)
- {
- size_t size = sizeof(new_chan->name);
- char *dest = new_chan->name;
- if (!Channel_IsValidName(name)) {
- /*
- * maybe user forgot to add a '#'.
- * This is only here for user convenience.
- */
- *dest = '#';
- --size;
- ++dest;
- }
- return size > strlcpy(dest, name, size);
- }
- /**
- * Handle variable in [Channel] configuration section.
- *
- * @param Line Line numer in configuration file.
- * @param Var Variable name.
- * @param Arg Variable argument.
- */
- static void
- Handle_CHANNEL(const char *File, int Line, char *Var, char *Arg)
- {
- size_t len;
- struct Conf_Channel *chan;
- assert( File != NULL );
- assert( Line > 0 );
- assert( Var != NULL );
- assert( Arg != NULL );
- 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(File, Line, Var);
- return;
- }
- if (strcasecmp(Var, "Modes") == 0) {
- /* Initial modes */
- len = strlcpy(chan->modes, Arg, sizeof(chan->modes));
- if (len >= sizeof(chan->modes))
- Config_Error_TooLong(File, Line, Var);
- return;
- }
- if( strcasecmp( Var, "Topic" ) == 0 ) {
- /* Initial topic */
- len = strlcpy(chan->topic, Arg, sizeof(chan->topic));
- if (len >= sizeof(chan->topic))
- Config_Error_TooLong(File, Line, Var);
- return;
- }
- if( strcasecmp( Var, "Key" ) == 0 ) {
- /* Initial Channel Key (mode k) */
- len = strlcpy(chan->key, Arg, sizeof(chan->key));
- if (len >= sizeof(chan->key))
- Config_Error_TooLong(File, Line, Var);
- return;
- }
- if( strcasecmp( Var, "MaxUsers" ) == 0 ) {
- /* maximum user limit, mode l */
- chan->maxusers = (unsigned long) atol(Arg);
- if (!chan->maxusers && strcmp(Arg, "0"))
- Config_Error_NaN(File, Line, Var);
- return;
- }
- if (strcasecmp(Var, "KeyFile") == 0) {
- /* channel keys */
- len = strlcpy(chan->keyfile, Arg, sizeof(chan->keyfile));
- if (len >= sizeof(chan->keyfile))
- Config_Error_TooLong(File, Line, Var);
- return;
- }
- Config_Error_Section(File, Line, Var, "Channel");
- }
- /**
- * Validate server configuration.
- *
- * Please note that this function uses exit(1) on fatal errors and therefore
- * can result in ngIRCd terminating!
- *
- * @param Configtest true if the daemon has been called with "--configtest".
- * @param Rehash true if re-reading configuration on runtime.
- * @returns true if configuration is valid.
- */
- static bool
- Validate_Config(bool Configtest, bool Rehash)
- {
- /* Validate configuration settings. */
- #ifdef DEBUG
- int i, servers, servers_once;
- #endif
- 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 {
- if (*ptr >= 'a' && *ptr <= 'z') continue;
- if (*ptr >= 'A' && *ptr <= 'Z') continue;
- if (*ptr >= '0' && *ptr <= '9') continue;
- if (ptr > Conf_ServerName) {
- if (*ptr == '.' || *ptr == '-')
- continue;
- }
- Conf_ServerName[0] = '\0';
- break;
- } while (*(++ptr));
- if (!Conf_ServerName[0]) {
- /* No server name configured! */
- config_valid = false;
- Config_Error(LOG_ALERT,
- "No (valid) server name configured in \"%s\" (section 'Global': 'Name')!",
- NGIRCd_ConfFile);
- if (!Configtest && !Rehash) {
- Config_Error(LOG_ALERT,
- "%s exiting due to fatal errors!",
- PACKAGE_NAME);
- exit(1);
- }
- }
- if (Conf_ServerName[0] && !strchr(Conf_ServerName, '.')) {
- /* No dot in server name! */
- config_valid = false;
- Config_Error(LOG_ALERT,
- "Invalid server name configured in \"%s\" (section 'Global': 'Name'): Dot missing!",
- NGIRCd_ConfFile);
- if (!Configtest) {
- Config_Error(LOG_ALERT,
- "%s exiting due to fatal errors!",
- PACKAGE_NAME);
- exit(1);
- }
- }
- #ifdef STRICT_RFC
- if (!Conf_ServerAdminMail[0]) {
- /* No administrative contact configured! */
- config_valid = false;
- Config_Error(LOG_ALERT,
- "No administrator email address configured in \"%s\" ('AdminEMail')!",
- NGIRCd_ConfFile);
- if (!Configtest) {
- Config_Error(LOG_ALERT,
- "%s exiting due to fatal errors!",
- PACKAGE_NAME);
- exit(1);
- }
- }
- #endif
- if (!Conf_ServerAdmin1[0] && !Conf_ServerAdmin2[0]
- && !Conf_ServerAdminMail[0]) {
- /* No administrative information configured! */
- Config_Error(LOG_WARNING,
- "No administrative information configured but required by RFC!");
- }
- #ifdef PAM
- if (Conf_PAM && Conf_ServerPwd[0])
- Config_Error(LOG_ERR,
- "This server uses PAM, \"Password\" in [Global] section will be ignored!");
- #endif
- if (Conf_MaxPenaltyTime != -1)
- Config_Error(LOG_WARNING,
- "Maximum penalty increase ('MaxPenaltyTime') is set to %ld, this is not recommended!",
- Conf_MaxPenaltyTime);
- #ifdef DEBUG
- servers = servers_once = 0;
- for (i = 0; i < MAX_SERVERS; i++) {
- if (Conf_Server[i].name[0]) {
- servers++;
- if (Conf_Server[i].flags & CONF_SFLAG_ONCE)
- servers_once++;
- }
- }
- Log(LOG_DEBUG,
- "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;
- }
- /**
- * Output "line too long" warning.
- *
- * @param Line Line number in configuration file.
- * @param Item Affected variable name.
- */
- static void
- Config_Error_TooLong(const char *File, const int Line, const char *Item)
- {
- Config_Error(LOG_WARNING, "%s, line %d: Value of \"%s\" too long!",
- File, Line, Item );
- }
- /**
- * Output "unknown variable" warning.
- *
- * @param Line Line number in configuration file.
- * @param Item Affected variable name.
- * @param Section Section name.
- */
- static void
- Config_Error_Section(const char *File, const int Line, const char *Item,
- const char *Section)
- {
- Config_Error(LOG_ERR, "%s, line %d (section \"%s\"): Unknown variable \"%s\"!",
- File, Line, Section, Item);
- }
- /**
- * Output "not a number" warning.
- *
- * @param Line Line number in configuration file.
- * @param Item Affected variable name.
- */
- static void
- Config_Error_NaN(const char *File, const int Line, const char *Item )
- {
- Config_Error(LOG_WARNING, "%s, line %d: Value of \"%s\" is not a number!",
- File, Line, Item );
- }
- /**
- * Output configuration error to console and/or logfile.
- *
- * On runtime, the normal log functions of the daemon are used. But when
- * testing the configuration ("--configtest"), all messages go directly
- * to the console.
- *
- * @param Level Severity level of the message.
- * @param Format Format string; see printf() function.
- */
- #ifdef PROTOTYPES
- static void Config_Error( const int Level, const char *Format, ... )
- #else
- static void Config_Error( Level, Format, va_alist )
- const int Level;
- const char *Format;
- va_dcl
- #endif
- {
- char msg[MAX_LOG_MSG_LEN];
- va_list ap;
- assert( Format != NULL );
- #ifdef PROTOTYPES
- va_start( ap, Format );
- #else
- va_start( ap );
- #endif
- vsnprintf( msg, MAX_LOG_MSG_LEN, Format, ap );
- va_end( ap );
- if (!Use_Log) {
- if (Level <= LOG_WARNING)
- printf(" - %s\n", msg);
- else
- puts(msg);
- } else
- Log(Level, "%s", msg);
- }
- #ifdef DEBUG
- /**
- * Dump internal state of the "configuration module".
- */
- GLOBAL void
- Conf_DebugDump(void)
- {
- int i;
- Log(LOG_DEBUG, "Configured servers:");
- for (i = 0; i < MAX_SERVERS; i++) {
- if (! Conf_Server[i].name[0])
- continue;
- Log(LOG_DEBUG,
- " - %s: %s:%d, last=%ld, group=%d, flags=%d, conn=%d",
- Conf_Server[i].name, Conf_Server[i].host,
- Conf_Server[i].port, Conf_Server[i].lasttry,
- Conf_Server[i].group, Conf_Server[i].flags,
- Conf_Server[i].conn_id);
- }
- }
- #endif
- /**
- * Initialize server configuration structure to default values.
- *
- * @param Server Pointer to server structure to initialize.
- */
- static void
- Init_Server_Struct( CONF_SERVER *Server )
- {
- assert( Server != NULL );
- memset( Server, 0, sizeof (CONF_SERVER) );
- Server->group = NONE;
- Server->lasttry = time( NULL ) - Conf_ConnectRetry + STARTUP_DELAY;
- if( NGIRCd_Passive ) Server->flags = CONF_SFLAG_DISABLED;
- Proc_InitStruct(&Server->res_stat);
- Server->conn_id = NONE;
- memset(&Server->bind_addr, 0, sizeof(Server->bind_addr));
- }
- /* -eof- */
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