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- /*
- * ngIRCd -- The Next Generation IRC Daemon
- * Copyright (c)2001-2010 Alexander Barton (alex@barton.de)
- *
- * 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.
- *
- * Configuration management (reading, parsing & validation)
- */
- #include "portab.h"
- #include "imp.h"
- #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 <unistd.h>
- #include <pwd.h>
- #include <grp.h>
- #include <sys/types.h>
- #include <unistd.h>
- #ifdef HAVE_CTYPE_H
- # include <ctype.h>
- #endif
- #include "array.h"
- #include "ngircd.h"
- #include "conn.h"
- #include "channel.h"
- #include "defines.h"
- #include "log.h"
- #include "match.h"
- #include "tool.h"
- #include "exp.h"
- #include "conf.h"
- 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 Validate_Config PARAMS(( bool TestOnly, bool Rehash ));
- static void Handle_GLOBAL PARAMS(( int Line, char *Var, char *Arg ));
- static void Handle_OPERATOR PARAMS(( int Line, char *Var, char *Arg ));
- static void Handle_SERVER PARAMS(( int Line, char *Var, char *Arg ));
- static void Handle_CHANNEL PARAMS(( int Line, char *Var, char *Arg ));
- static void Config_Error PARAMS(( const int Level, const char *Format, ... ));
- static void Config_Error_NaN PARAMS(( const int LINE, const char *Value ));
- static void Config_Error_TooLong PARAMS(( 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 SSL_SUPPORT
- struct SSLOptions Conf_SSLOptions;
- 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);
- }
- static bool
- ssl_print_configvar(const char *name, const char *file)
- {
- FILE *fp;
- if (!file) {
- printf(" %s =\n", name);
- return true;
- }
- fp = fopen(file, "r");
- if (fp)
- fclose(fp);
- else
- fprintf(stderr, "ERROR: %s \"%s\": %s\n",
- name, file, strerror(errno));
- printf(" %s = %s\n", name, file);
- return fp != NULL;
- }
- static bool
- ConfSSL_Puts(void)
- {
- bool ret;
- ret = ssl_print_configvar("SSLKeyFile", Conf_SSLOptions.KeyFile);
- if (!ssl_print_configvar("SSLCertFile", Conf_SSLOptions.CertFile))
- ret = false;
- if (!ssl_print_configvar("SSLDHFile", Conf_SSLOptions.DHFile))
- ret = false;
- if (array_bytes(&Conf_SSLOptions.KeyFilePassword))
- puts(" SSLKeyFilePassword = <secret>");
- array_free_wipe(&Conf_SSLOptions.KeyFilePassword);
- return ret;
- }
- #endif
- static char *
- strdup_warn(const char *str)
- {
- char *ptr = strdup(str);
- if (!ptr)
- Config_Error(LOG_ERR, "Could not allocate mem for string: %s", str);
- return ptr;
- }
- 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);
- }
- static void
- ports_parse(array *a, int Line, char *Arg)
- {
- char *ptr;
- int port;
- UINT16 port16;
- array_trunc(a);
- /* Ports on that the server should listen. More port numbers
- * must be separated by "," */
- 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",
- NGIRCd_ConfFile, Line, port, strerror(errno));
- } else {
- Config_Error( LOG_ERR, "%s, line %d (section \"Global\"): Illegal port number %ld!",
- NGIRCd_ConfFile, Line, port );
- }
- ptr = strtok( NULL, "," );
- }
- }
- GLOBAL void
- Conf_Init( void )
- {
- Read_Config( true );
- Validate_Config(false, false);
- } /* Config_Init */
- GLOBAL bool
- Conf_Rehash( void )
- {
- if (!Read_Config(false))
- return false;
- Validate_Config(false, true);
- /* Update CLIENT structure of local server */
- Client_SetInfo(Client_ThisServer(), Conf_ServerInfo);
- return true;
- } /* Config_Rehash */
- static const char*
- yesno_to_str(int boolean_value)
- {
- if (boolean_value)
- return "yes";
- return "no";
- }
- 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);
- }
- static void
- opers_puts(void)
- {
- struct Conf_Oper *op;
- size_t len;
-
- len = array_length(&Conf_Opers, sizeof(*op));
- op = array_start(&Conf_Opers);
- while (len--) {
- assert(op->name[0]);
- puts("[OPERATOR]");
- printf(" Name = %s\n", op->name);
- printf(" Password = %s\n", op->pwd);
- printf(" Mask = %s\n\n", op->mask ? op->mask : "");
- op++;
- }
- }
- GLOBAL int
- Conf_Test( void )
- {
- /* Read configuration, validate and output it. */
- 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))
- return 1;
- config_valid = Validate_Config(true, false);
- /* If stdin and stdout ("you can read our nice message and we can
- * read in your keypress") are valid tty's, wait for a key: */
- if( isatty( fileno( stdin )) && isatty( fileno( stdout ))) {
- puts( "OK, press enter to see a dump of your service configuration ..." );
- getchar( );
- } else {
- puts( "Ok, dump of your server configuration follows:\n" );
- }
- puts( "[GLOBAL]" );
- printf(" Name = %s\n", Conf_ServerName);
- printf(" Info = %s\n", Conf_ServerInfo);
- #ifndef PAM
- printf(" Password = %s\n", Conf_ServerPwd);
- #endif
- printf(" WebircPassword = %s\n", Conf_WebircPwd);
- printf(" AdminInfo1 = %s\n", Conf_ServerAdmin1);
- printf(" AdminInfo2 = %s\n", Conf_ServerAdmin2);
- printf(" AdminEMail = %s\n", Conf_ServerAdminMail);
- 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(" ChrootDir = %s\n", Conf_Chroot);
- printf(" PidFile = %s\n", Conf_PidFile);
- printf(" Listen = %s\n", Conf_ListenAddress);
- fputs(" Ports = ", stdout);
- ports_puts(&Conf_ListenPorts);
- #ifdef SSL_SUPPORT
- fputs(" SSLPorts = ", stdout);
- ports_puts(&Conf_SSLOptions.ListenPorts);
- if (!ConfSSL_Puts())
- config_valid = false;
- #endif
- pwd = getpwuid(Conf_UID);
- if (pwd)
- printf(" ServerUID = %s\n", pwd->pw_name);
- else
- printf(" ServerUID = %ld\n", (long)Conf_UID);
- grp = getgrgid(Conf_GID);
- if (grp)
- printf(" ServerGID = %s\n", grp->gr_name);
- else
- printf(" ServerGID = %ld\n", (long)Conf_GID);
- #ifdef SYSLOG
- printf(" SyslogFacility = %s\n",
- ngt_SyslogFacilityName(Conf_SyslogFacility));
- #endif
- printf(" PingTimeout = %d\n", Conf_PingTimeout);
- printf(" PongTimeout = %d\n", Conf_PongTimeout);
- printf(" ConnectRetry = %d\n", Conf_ConnectRetry);
- printf(" OperCanUseMode = %s\n", yesno_to_str(Conf_OperCanMode));
- printf(" OperServerMode = %s\n", yesno_to_str(Conf_OperServerMode));
- printf(" AllowRemoteOper = %s\n", yesno_to_str(Conf_AllowRemoteOper));
- printf(" PredefChannelsOnly = %s\n", yesno_to_str(Conf_PredefChannelsOnly));
- printf(" NoDNS = %s\n", yesno_to_str(Conf_NoDNS));
- printf(" NoIdent = %s\n", yesno_to_str(Conf_NoIdent));
- printf(" NoPAM = %s\n", yesno_to_str(Conf_NoPAM));
- printf(" NoZeroConf = %s\n", yesno_to_str(Conf_NoZeroConf));
- #ifdef WANT_IPV6
- printf(" ConnectIPv4 = %s\n", yesno_to_str(Conf_ConnectIPv6));
- printf(" ConnectIPv6 = %s\n", yesno_to_str(Conf_ConnectIPv4));
- #endif
- printf(" MaxConnections = %ld\n", Conf_MaxConnections);
- printf(" MaxConnectionsIP = %d\n", Conf_MaxConnectionsIP);
- printf(" MaxJoins = %d\n", Conf_MaxJoins > 0 ? Conf_MaxJoins : -1);
- printf(" MaxNickLength = %u\n\n", Conf_MaxNickLength - 1);
- 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);
- } /* Conf_Test */
- GLOBAL void
- Conf_UnsetServer( CONN_ID Idx )
- {
- /* Set next time for next connection attempt, if this is a server
- * link that is (still) configured here. If the server is set as
- * "once", delete it from our configuration.
- * Non-Server-Connections will be silently ignored. */
- 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
- Conf_Server[i].lasttry = t;
- }
- }
- } /* Conf_UnsetServer */
- GLOBAL void
- Conf_SetServer( int ConfServer, CONN_ID Idx )
- {
- /* Set connection for specified configured server */
- assert( ConfServer > NONE );
- assert( Idx > NONE );
- Conf_Server[ConfServer].conn_id = Idx;
- } /* Conf_SetServer */
- GLOBAL int
- Conf_GetServer( CONN_ID Idx )
- {
- /* Get index of server in configuration structure */
- int i = 0;
- assert( Idx > NONE );
- for( i = 0; i < MAX_SERVERS; i++ ) {
- if( Conf_Server[i].conn_id == Idx ) return i;
- }
- return NONE;
- } /* Conf_GetServer */
- GLOBAL bool
- Conf_EnableServer( const char *Name, UINT16 Port )
- {
- /* Enable specified server and adjust 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;
- } /* Conf_EnableServer */
- GLOBAL bool
- Conf_EnablePassiveServer(const char *Name)
- {
- /* Enable specified server */
- 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;
- return true;
- }
- }
- return false;
- } /* Conf_EnablePassiveServer */
- GLOBAL bool
- Conf_DisableServer( const char *Name )
- {
- /* Enable specified server and adjust port */
- 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;
- } /* Conf_DisableServer */
- GLOBAL bool
- Conf_AddServer( const char *Name, UINT16 Port, const char *Host, const char *MyPwd, const char *PeerPwd )
- {
- /* Add new server to configuration */
- 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;
- } /* Conf_AddServer */
- /**
- * Check if the given nick name is an service
- */
- GLOBAL bool
- Conf_IsService(int ConfServer, const char *Nick)
- {
- return MatchCaseInsensitive(Conf_Server[ConfServer].svs_mask, Nick);
- } /* Conf_IsService */
- /**
- * Initialize configuration settings with their default values.
- */
- static void
- Set_Defaults(bool InitServers)
- {
- int i;
- strcpy(Conf_ServerName, "");
- snprintf(Conf_ServerInfo, sizeof Conf_ServerInfo, "%s %s",
- PACKAGE_NAME, PACKAGE_VERSION);
- strcpy(Conf_ServerPwd, "");
- strcpy(Conf_ServerAdmin1, "");
- strcpy(Conf_ServerAdmin2, "");
- strcpy(Conf_ServerAdminMail, "");
- strlcpy(Conf_MotdFile, SYSCONFDIR, sizeof(Conf_MotdFile));
- strlcat(Conf_MotdFile, MOTD_FILE, sizeof(Conf_MotdFile));
- Conf_UID = Conf_GID = 0;
- strlcpy(Conf_Chroot, CHROOT_DIR, sizeof(Conf_Chroot));
- strlcpy(Conf_PidFile, PID_FILE, sizeof(Conf_PidFile));
- free(Conf_ListenAddress);
- Conf_ListenAddress = NULL;
- Conf_PingTimeout = 120;
- Conf_PongTimeout = 20;
- Conf_ConnectRetry = 60;
- Conf_NoDNS = false;
- Conf_NoIdent = false;
- Conf_NoPAM = false;
- Conf_NoZeroConf = false;
- Conf_Oper_Count = 0;
- Conf_Channel_Count = 0;
- Conf_OperCanMode = false;
- Conf_OperServerMode = false;
- Conf_AllowRemoteOper = false;
- Conf_PredefChannelsOnly = false;
- Conf_ConnectIPv4 = true;
- Conf_ConnectIPv6 = true;
- Conf_MaxConnections = 0;
- Conf_MaxConnectionsIP = 5;
- Conf_MaxJoins = 10;
- Conf_MaxNickLength = CLIENT_NICK_LEN_DEFAULT;
- #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++]));
- }
- } /* Set_Defaults */
- 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;
- }
- static void
- Read_Motd(const char *filename)
- {
- char line[127];
- FILE *fp;
- if (*filename == '\0')
- return;
- fp = fopen(filename, "r");
- if (!fp) {
- Log(LOG_WARNING, "Can't read MOTD file \"%s\": %s",
- filename, strerror(errno));
- return;
- }
- array_free(&Conf_Motd);
- Using_MotdFile = true;
- while (fgets(line, (int)sizeof line, fp)) {
- ngt_TrimLastChr( line, '\n');
- /* add text including \0 */
- if (!array_catb(&Conf_Motd, line, strlen(line) + 1)) {
- Log(LOG_WARNING, "Cannot add MOTD text: %s", strerror(errno));
- break;
- }
- }
- fclose(fp);
- }
- static bool
- Read_Config( bool ngircd_starting )
- {
- /* Read configuration file. */
- char section[LINE_LEN], str[LINE_LEN], *var, *arg, *ptr;
- const UINT16 defaultport = 6667;
- int line, i, n;
- FILE *fd;
- /* 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 (!ngircd_starting)
- return false;
- Config_Error( LOG_ALERT, "%s exiting due to fatal errors!", PACKAGE_NAME );
- exit( 1 );
- }
- opers_free();
- Set_Defaults( ngircd_starting );
- 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 */
- line = 0;
- strcpy( section, "" );
- Init_Server_Struct( &New_Server );
- New_Server_Idx = NONE;
- #ifdef SSL_SUPPORT
- ConfSSL_Init();
- #endif
- /* Read configuration file */
- while( true ) {
- if( ! fgets( str, LINE_LEN, fd )) break;
- ngt_TrimStr( str );
- line++;
- /* Skip comments and empty lines */
- if( str[0] == ';' || str[0] == '#' || str[0] == '\0' ) 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 )
- 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) {
- Conf_Channel_Count++;
- continue;
- }
- if (strcasecmp(section, "[OPERATOR]") == 0) {
- Conf_Oper_Count++;
- continue;
- }
- Config_Error( LOG_ERR, "%s, line %d: Unknown section \"%s\"!", NGIRCd_ConfFile, 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!", NGIRCd_ConfFile, line );
- continue;
- }
- *ptr = '\0';
- var = str; ngt_TrimStr( var );
- arg = ptr + 1; ngt_TrimStr( arg );
- if( strcasecmp( section, "[GLOBAL]" ) == 0 ) Handle_GLOBAL( line, var, arg );
- else if( strcasecmp( section, "[OPERATOR]" ) == 0 ) Handle_OPERATOR( line, var, arg );
- else if( strcasecmp( section, "[SERVER]" ) == 0 ) Handle_SERVER( line, var, arg );
- else if( strcasecmp( section, "[CHANNEL]" ) == 0 ) Handle_CHANNEL( line, var, arg );
- else Config_Error( LOG_ERR, "%s, line %d: Variable \"%s\" outside section!", NGIRCd_ConfFile, line, var );
- }
- /* Close configuration file */
- fclose( fd );
- /* 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)
- Read_Motd(Conf_MotdFile);
- return true;
- } /* Read_Config */
- 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;
- } /* Check_ArgIsTrue */
- static unsigned int
- Handle_MaxNickLength(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!",
- NGIRCd_ConfFile, 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!",
- NGIRCd_ConfFile, Line);
- return 2;
- }
- return new;
- } /* Handle_MaxNickLength */
- static void
- Handle_GLOBAL( int Line, char *Var, char *Arg )
- {
- struct passwd *pwd;
- struct group *grp;
- size_t len;
-
- assert( Line > 0 );
- assert( Var != NULL );
- assert( Arg != NULL );
-
- if( strcasecmp( Var, "Name" ) == 0 ) {
- /* Server name */
- len = strlcpy( Conf_ServerName, Arg, sizeof( Conf_ServerName ));
- if (len >= sizeof( Conf_ServerName ))
- Config_Error_TooLong( Line, Var );
- return;
- }
- if( strcasecmp( Var, "Info" ) == 0 ) {
- /* Info text of server */
- len = strlcpy( Conf_ServerInfo, Arg, sizeof( Conf_ServerInfo ));
- if (len >= sizeof( Conf_ServerInfo ))
- Config_Error_TooLong ( Line, Var );
- return;
- }
- if( strcasecmp( Var, "Password" ) == 0 ) {
- /* Global server password */
- len = strlcpy( Conf_ServerPwd, Arg, sizeof( Conf_ServerPwd ));
- if (len >= sizeof( Conf_ServerPwd ))
- Config_Error_TooLong( Line, Var );
- return;
- }
- if (strcasecmp(Var, "WebircPassword") == 0) {
- /* Password required for WEBIRC command */
- len = strlcpy(Conf_WebircPwd, Arg, sizeof(Conf_WebircPwd));
- if (len >= sizeof(Conf_WebircPwd))
- Config_Error_TooLong(Line, Var);
- return;
- }
- if( strcasecmp( Var, "AdminInfo1" ) == 0 ) {
- /* Administrative info #1 */
- len = strlcpy( Conf_ServerAdmin1, Arg, sizeof( Conf_ServerAdmin1 ));
- if (len >= sizeof( Conf_ServerAdmin1 ))
- Config_Error_TooLong ( Line, Var );
- return;
- }
- if( strcasecmp( Var, "AdminInfo2" ) == 0 ) {
- /* Administrative info #2 */
- len = strlcpy( Conf_ServerAdmin2, Arg, sizeof( Conf_ServerAdmin2 ));
- if (len >= sizeof( Conf_ServerAdmin2 ))
- Config_Error_TooLong ( Line, Var );
- return;
- }
- if( strcasecmp( Var, "AdminEMail" ) == 0 ) {
- /* Administrative email contact */
- len = strlcpy( Conf_ServerAdminMail, Arg, sizeof( Conf_ServerAdminMail ));
- if (len >= sizeof( Conf_ServerAdminMail ))
- Config_Error_TooLong( Line, Var );
- return;
- }
- if( strcasecmp( Var, "Ports" ) == 0 ) {
- ports_parse(&Conf_ListenPorts, Line, Arg);
- return;
- }
- if( strcasecmp( Var, "MotdFile" ) == 0 ) {
- len = strlcpy( Conf_MotdFile, Arg, sizeof( Conf_MotdFile ));
- if (len >= sizeof( Conf_MotdFile ))
- Config_Error_TooLong( Line, Var );
- Read_Motd(Arg);
- return;
- }
- if( strcasecmp( Var, "MotdPhrase" ) == 0 ) {
- /* "Message of the day" phrase (instead of file) */
- len = strlen(Arg);
- if (len == 0)
- return;
- if (len >= LINE_LEN) {
- Config_Error_TooLong( Line, Var );
- return;
- }
- if (!array_copyb(&Conf_Motd, Arg, len + 1))
- Config_Error(LOG_WARNING, "%s, line %d: Could not append MotdPhrase: %s",
- NGIRCd_ConfFile, Line, strerror(errno));
- Using_MotdFile = false;
- return;
- }
- if( strcasecmp( Var, "ChrootDir" ) == 0 ) {
- /* directory for chroot() */
- len = strlcpy( Conf_Chroot, Arg, sizeof( Conf_Chroot ));
- if (len >= sizeof( Conf_Chroot ))
- Config_Error_TooLong( Line, Var );
- return;
- }
- if ( strcasecmp( Var, "PidFile" ) == 0 ) {
- /* name of pidfile */
- len = strlcpy( Conf_PidFile, Arg, sizeof( Conf_PidFile ));
- if (len >= sizeof( Conf_PidFile ))
- Config_Error_TooLong( Line, Var );
- return;
- }
- if( strcasecmp( Var, "ServerUID" ) == 0 ) {
- /* UID the daemon should switch to */
- pwd = getpwnam( Arg );
- if( pwd ) Conf_UID = pwd->pw_uid;
- else {
- #ifdef HAVE_ISDIGIT
- if( ! isdigit( (int)*Arg )) Config_Error_NaN( Line, Var );
- else
- #endif
- Conf_UID = (unsigned int)atoi( Arg );
- }
- return;
- }
- if( strcasecmp( Var, "ServerGID" ) == 0 ) {
- /* GID the daemon should use */
- grp = getgrnam( Arg );
- if( grp ) Conf_GID = grp->gr_gid;
- else {
- #ifdef HAVE_ISDIGIT
- if( ! isdigit( (int)*Arg )) Config_Error_NaN( Line, Var );
- else
- #endif
- Conf_GID = (unsigned int)atoi( Arg );
- }
- return;
- }
- if( strcasecmp( Var, "PingTimeout" ) == 0 ) {
- /* PING timeout */
- Conf_PingTimeout = atoi( Arg );
- if( Conf_PingTimeout < 5 ) {
- Config_Error( LOG_WARNING, "%s, line %d: Value of \"PingTimeout\" too low!",
- NGIRCd_ConfFile, Line );
- Conf_PingTimeout = 5;
- }
- return;
- }
- if( strcasecmp( Var, "PongTimeout" ) == 0 ) {
- /* PONG timeout */
- Conf_PongTimeout = atoi( Arg );
- if( Conf_PongTimeout < 5 ) {
- Config_Error( LOG_WARNING, "%s, line %d: Value of \"PongTimeout\" too low!",
- NGIRCd_ConfFile, Line );
- Conf_PongTimeout = 5;
- }
- return;
- }
- if( strcasecmp( Var, "ConnectRetry" ) == 0 ) {
- /* Seconds between connection attempts to other servers */
- Conf_ConnectRetry = atoi( Arg );
- if( Conf_ConnectRetry < 5 ) {
- Config_Error( LOG_WARNING, "%s, line %d: Value of \"ConnectRetry\" too low!",
- NGIRCd_ConfFile, Line );
- Conf_ConnectRetry = 5;
- }
- return;
- }
- if( strcasecmp( Var, "PredefChannelsOnly" ) == 0 ) {
- /* Should we only allow pre-defined-channels? (i.e. users cannot create their own channels) */
- Conf_PredefChannelsOnly = Check_ArgIsTrue( Arg );
- return;
- }
- if( strcasecmp( Var, "NoDNS" ) == 0 ) {
- /* don't do reverse dns lookups when clients connect? */
- Conf_NoDNS = Check_ArgIsTrue( Arg );
- return;
- }
- if (strcasecmp(Var, "NoIdent") == 0) {
- /* don't do IDENT lookups when clients connect? */
- Conf_NoIdent = Check_ArgIsTrue(Arg);
- #ifndef IDENTAUTH
- if (!Conf_NoIdent) {
- /* user has enabled ident lookups explicitly, but ... */
- Config_Error(LOG_WARNING,
- "%s: line %d: NoIdent=False, but ngircd was built without IDENT support",
- NGIRCd_ConfFile, Line);
- }
- #endif
- return;
- }
- if(strcasecmp(Var, "NoPAM") == 0) {
- /* don't use PAM library to authenticate users */
- Conf_NoPAM = Check_ArgIsTrue(Arg);
- return;
- }
- if(strcasecmp(Var, "NoZeroConf") == 0) {
- /* don't register services using ZeroConf */
- Conf_NoZeroConf = Check_ArgIsTrue(Arg);
- return;
- }
- #ifdef WANT_IPV6
- /* the default setting for all the WANT_IPV6 special options is 'true' */
- if( strcasecmp( Var, "ConnectIPv6" ) == 0 ) {
- /* connect to other hosts using ipv6, if they have an AAAA record? */
- Conf_ConnectIPv6 = Check_ArgIsTrue( Arg );
- return;
- }
- if( strcasecmp( Var, "ConnectIPv4" ) == 0 ) {
- /* connect to other hosts using ipv4.
- * again, this can be used for ipv6-only setups */
- Conf_ConnectIPv4 = Check_ArgIsTrue( Arg );
- return;
- }
- #endif
- if( strcasecmp( Var, "OperCanUseMode" ) == 0 ) {
- /* Are IRC operators allowed to use MODE in channels they aren't Op in? */
- Conf_OperCanMode = Check_ArgIsTrue( Arg );
- return;
- }
- if( strcasecmp( Var, "OperServerMode" ) == 0 ) {
- /* Mask IRC operator as if coming from the server? (ircd-irc2 compat hack) */
- Conf_OperServerMode = Check_ArgIsTrue( Arg );
- return;
- }
- if(strcasecmp(Var, "AllowRemoteOper") == 0) {
- /* Are remote IRC operators allowed to control this server? */
- Conf_AllowRemoteOper = Check_ArgIsTrue(Arg);
- return;
- }
- if( strcasecmp( Var, "MaxConnections" ) == 0 ) {
- /* Maximum number of connections. 0 -> "no limit". */
- #ifdef HAVE_ISDIGIT
- if( ! isdigit( (int)*Arg )) Config_Error_NaN( Line, Var);
- else
- #endif
- Conf_MaxConnections = atol( Arg );
- return;
- }
- if( strcasecmp( Var, "MaxConnectionsIP" ) == 0 ) {
- /* Maximum number of simultaneous connections from one IP. 0 -> "no limit" */
- #ifdef HAVE_ISDIGIT
- if( ! isdigit( (int)*Arg )) Config_Error_NaN( Line, Var );
- else
- #endif
- Conf_MaxConnectionsIP = atoi( Arg );
- return;
- }
- if( strcasecmp( Var, "MaxJoins" ) == 0 ) {
- /* Maximum number of channels a user can join. 0 -> "no limit". */
- #ifdef HAVE_ISDIGIT
- if( ! isdigit( (int)*Arg )) Config_Error_NaN( Line, Var );
- else
- #endif
- Conf_MaxJoins = atoi( Arg );
- return;
- }
- if( strcasecmp( Var, "MaxNickLength" ) == 0 ) {
- /* Maximum length of a nick name; must be same on all servers
- * within the IRC network! */
- Conf_MaxNickLength = Handle_MaxNickLength(Line, Arg);
- return;
- }
- if( strcasecmp( Var, "Listen" ) == 0 ) {
- /* IP-Address to bind sockets */
- 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;
- }
- #ifdef SSL_SUPPORT
- if( strcasecmp( Var, "SSLPorts" ) == 0 ) {
- ports_parse(&Conf_SSLOptions.ListenPorts, Line, Arg);
- return;
- }
- if( strcasecmp( Var, "SSLKeyFile" ) == 0 ) {
- assert(Conf_SSLOptions.KeyFile == NULL );
- Conf_SSLOptions.KeyFile = strdup_warn(Arg);
- return;
- }
- if( strcasecmp( Var, "SSLCertFile" ) == 0 ) {
- assert(Conf_SSLOptions.CertFile == NULL );
- Conf_SSLOptions.CertFile = strdup_warn(Arg);
- return;
- }
- if( strcasecmp( Var, "SSLKeyFilePassword" ) == 0 ) {
- assert(array_bytes(&Conf_SSLOptions.KeyFilePassword) == 0);
- if (!array_copys(&Conf_SSLOptions.KeyFilePassword, Arg))
- Config_Error( LOG_ERR, "%s, line %d (section \"Global\"): Could not copy %s: %s!",
- NGIRCd_ConfFile, Line, Var, strerror(errno));
- return;
- }
- if( strcasecmp( Var, "SSLDHFile" ) == 0 ) {
- assert(Conf_SSLOptions.DHFile == NULL);
- Conf_SSLOptions.DHFile = strdup_warn( Arg );
- return;
- }
- #endif
- #ifdef SYSLOG
- if (strcasecmp(Var, "SyslogFacility") == 0) {
- Conf_SyslogFacility = ngt_SyslogFacilityID(Arg,
- Conf_SyslogFacility);
- return;
- }
- #endif
- Config_Error(LOG_ERR, "%s, line %d (section \"Global\"): Unknown variable \"%s\"!",
- NGIRCd_ConfFile, Line, Var);
- } /* Handle_GLOBAL */
- static void
- Handle_OPERATOR( int Line, char *Var, char *Arg )
- {
- size_t len;
- struct Conf_Oper *op;
- 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);
- 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(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(Line, Var);
- return;
- }
- if (strcasecmp(Var, "Mask") == 0) {
- if (op->mask)
- return; /* Hostname already configured */
- op->mask = strdup_warn( Arg );
- return;
- }
- Config_Error( LOG_ERR, "%s, line %d (section \"Operator\"): Unknown variable \"%s\"!",
- NGIRCd_ConfFile, Line, Var );
- } /* Handle_OPERATOR */
- static void
- Handle_SERVER( int Line, char *Var, char *Arg )
- {
- long port;
- size_t len;
-
- 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 ( 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( 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\"",
- NGIRCd_ConfFile, 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 ':'!",
- NGIRCd_ConfFile, Line);
- }
- len = strlcpy( New_Server.pwd_in, Arg, sizeof( New_Server.pwd_in ));
- if (len >= sizeof( New_Server.pwd_in ))
- Config_Error_TooLong( 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( 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!",
- NGIRCd_ConfFile, 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 */
- #ifdef HAVE_ISDIGIT
- if( ! isdigit( (int)*Arg ))
- Config_Error_NaN( Line, Var );
- else
- #endif
- New_Server.group = atoi( Arg );
- 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(Line, Var);
- return;
- }
- Config_Error( LOG_ERR, "%s, line %d (section \"Server\"): Unknown variable \"%s\"!",
- NGIRCd_ConfFile, Line, Var );
- } /* Handle_SERVER */
- 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);
- }
- 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);
- return;
- }
- if (strcasecmp(Var, "Name") == 0) {
- if (!Handle_Channelname(chan, Arg))
- Config_Error_TooLong(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( 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( 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(Line, Var);
- return;
- }
- if( strcasecmp( Var, "MaxUsers" ) == 0 ) {
- /* maximum user limit, mode l */
- chan->maxusers = (unsigned long) atol(Arg);
- if (chan->maxusers == 0)
- Config_Error_NaN(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(Line, Var);
- return;
- }
- Config_Error( LOG_ERR, "%s, line %d (section \"Channel\"): Unknown variable \"%s\"!",
- NGIRCd_ConfFile, Line, Var );
- } /* Handle_CHANNEL */
- 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;
- /* 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_ServerPwd[0])
- Config_Error(LOG_ERR,
- "This server uses PAM, \"Password\" will be ignored!");
- #endif
- #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=%d, Servers=%d[%d], Channels=%d",
- Conf_Oper_Count, servers, servers_once, Conf_Channel_Count);
- #endif
- return config_valid;
- } /* Validate_Config */
- static void
- Config_Error_TooLong ( const int Line, const char *Item )
- {
- Config_Error( LOG_WARNING, "%s, line %d: Value of \"%s\" too long!", NGIRCd_ConfFile, Line, Item );
- }
- static void
- Config_Error_NaN( const int Line, const char *Item )
- {
- Config_Error( LOG_WARNING, "%s, line %d: Value of \"%s\" is not a number!",
- NGIRCd_ConfFile, Line, Item );
- }
- #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
- {
- /* Error! Write to console and/or logfile. */
- 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 );
-
- /* During "normal operations" the log functions of the daemon should
- * be used, but during testing of the configuration file, all messages
- * should go directly to the console: */
- if (Use_Log) Log( Level, "%s", msg );
- else puts( msg );
- } /* Config_Error */
- #ifdef DEBUG
- 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);
- }
- } /* Conf_DebugDump */
- #endif
- static void
- Init_Server_Struct( CONF_SERVER *Server )
- {
- /* Initialize server configuration structur to default values */
- 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));
- } /* Init_Server_Struct */
- /* -eof- */
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