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https://github.com/osmarks/ngircd.git
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Doxygen'ify conf.c
This commit is contained in:
Alexander Barton
parent
9a102ca96b
commit
1cd8d7f386
@ -78,15 +78,21 @@ static void Config_Error_TooLong PARAMS(( const int LINE, const char *Value ));
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static void Init_Server_Struct PARAMS(( CONF_SERVER *Server ));
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#ifdef WANT_IPV6
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#define DEFAULT_LISTEN_ADDRSTR "::,0.0.0.0"
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#else
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#define DEFAULT_LISTEN_ADDRSTR "0.0.0.0"
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#endif
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#ifdef SSL_SUPPORT
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struct SSLOptions Conf_SSLOptions;
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/**
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* Initialize SSL configuration.
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*/
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static void
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ConfSSL_Init(void)
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{
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@ -101,6 +107,12 @@ ConfSSL_Init(void)
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array_free_wipe(&Conf_SSLOptions.KeyFilePassword);
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}
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/**
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* Output SSL configuration variable containing a file name.
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* And make sure that the given file is readable.
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*
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* @returns true when the file is readable.
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*/
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static bool
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ssl_print_configvar(const char *name, const char *file)
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{
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@ -122,6 +134,11 @@ ssl_print_configvar(const char *name, const char *file)
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return fp != NULL;
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}
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/**
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* Output SSL-related configuration variables.
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*
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* @returns true when all SSL-related configuration variables are valid.
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*/
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static bool
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ConfSSL_Puts(void)
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{
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@ -142,18 +159,28 @@ ConfSSL_Puts(void)
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return ret;
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}
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#endif
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/**
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* Duplicate string and warn on errors.
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*
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* @returns Pointer to string on success, NULL otherwise.
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*/
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static char *
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strdup_warn(const char *str)
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{
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char *ptr = strdup(str);
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if (!ptr)
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Config_Error(LOG_ERR, "Could not allocate mem for string: %s", str);
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Config_Error(LOG_ERR,
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"Could not allocate memory for string: %s", str);
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return ptr;
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}
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/**
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* Output a comma separated list of ports (integer values).
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*/
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static void
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ports_puts(array *a)
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{
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@ -171,7 +198,9 @@ ports_puts(array *a)
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putc('\n', stdout);
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}
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/**
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* Parse a comma separated string into an array of port numbers (integers).
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*/
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static void
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ports_parse(array *a, int Line, char *Arg)
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{
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@ -181,8 +210,6 @@ ports_parse(array *a, int Line, char *Arg)
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array_trunc(a);
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/* Ports on that the server should listen. More port numbers
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* must be separated by "," */
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ptr = strtok( Arg, "," );
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while (ptr) {
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ngt_TrimStr(ptr);
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@ -201,15 +228,21 @@ ports_parse(array *a, int Line, char *Arg)
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}
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}
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/**
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* Initialize configuration module.
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*/
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GLOBAL void
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Conf_Init( void )
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{
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Read_Config( true );
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Validate_Config(false, false);
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} /* Config_Init */
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}
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/**
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* "Rehash" (reload) server configuration.
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*
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* @returns true if configuration has been re-read, false on errors.
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*/
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GLOBAL bool
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Conf_Rehash( void )
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{
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@ -220,9 +253,11 @@ Conf_Rehash( void )
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/* Update CLIENT structure of local server */
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Client_SetInfo(Client_ThisServer(), Conf_ServerInfo);
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return true;
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} /* Config_Rehash */
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}
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/**
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* Output a boolean value as "yes/no" string.
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*/
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static const char*
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yesno_to_str(int boolean_value)
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{
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@ -231,7 +266,9 @@ yesno_to_str(int boolean_value)
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return "no";
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}
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/**
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* Free all IRC operator configuration structures.
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*/
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static void
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opers_free(void)
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{
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@ -247,6 +284,9 @@ opers_free(void)
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array_free(&Conf_Opers);
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}
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/**
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* Output all IRC operator configuration structures.
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*/
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static void
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opers_puts(void)
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{
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@ -266,12 +306,18 @@ opers_puts(void)
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}
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}
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/**
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* Read configuration, validate and output it.
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*
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* This function waits for a keypress of the user when stdin/stdout are valid
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* tty's ("you can read our nice message and we can read in your keypress").
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*
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* @return 0 on succes, 1 on failure(s); therefore the result code can
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* directly be used by exit() when running "ngircd --configtest".
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*/
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GLOBAL int
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Conf_Test( void )
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{
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/* Read configuration, validate and output it. */
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struct passwd *pwd;
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struct group *grp;
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unsigned int i;
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@ -286,8 +332,7 @@ Conf_Test( void )
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config_valid = Validate_Config(true, false);
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/* If stdin and stdout ("you can read our nice message and we can
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* read in your keypress") are valid tty's, wait for a key: */
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/* Valid tty? */
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if( isatty( fileno( stdin )) && isatty( fileno( stdout ))) {
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puts( "OK, press enter to see a dump of your service configuration ..." );
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getchar( );
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@ -405,17 +450,19 @@ Conf_Test( void )
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}
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return (config_valid ? 0 : 1);
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} /* Conf_Test */
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}
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/**
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* Remove connection information from configured server.
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*
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* If the server is set as "once", delete it from our configuration;
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* otherwise set the time for the next connection attempt.
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*
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* Non-server connections will be silently ignored.
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*/
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GLOBAL void
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Conf_UnsetServer( CONN_ID Idx )
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{
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/* Set next time for next connection attempt, if this is a server
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* link that is (still) configured here. If the server is set as
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* "once", delete it from our configuration.
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* Non-Server-Connections will be silently ignored. */
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int i;
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time_t t;
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@ -441,26 +488,26 @@ Conf_UnsetServer( CONN_ID Idx )
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Conf_Server[i].lasttry = t;
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}
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}
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} /* Conf_UnsetServer */
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}
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/**
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* Set connection information for specified configured server.
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*/
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GLOBAL void
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Conf_SetServer( int ConfServer, CONN_ID Idx )
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{
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/* Set connection for specified configured server */
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assert( ConfServer > NONE );
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assert( Idx > NONE );
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Conf_Server[ConfServer].conn_id = Idx;
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} /* Conf_SetServer */
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}
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/**
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* Get index of server in configuration structure.
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*/
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GLOBAL int
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Conf_GetServer( CONN_ID Idx )
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{
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/* Get index of server in configuration structure */
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int i = 0;
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assert( Idx > NONE );
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@ -469,18 +516,20 @@ Conf_GetServer( CONN_ID Idx )
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if( Conf_Server[i].conn_id == Idx ) return i;
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}
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return NONE;
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} /* Conf_GetServer */
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}
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/**
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* Enable a server by name and adjust its port number.
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*
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* @returns true if a server has been enabled and now has a valid port
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* number and host name for outgoing connections.
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*/
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GLOBAL bool
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Conf_EnableServer( const char *Name, UINT16 Port )
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{
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/* Enable specified server and adjust port */
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int i;
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assert( Name != NULL );
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for( i = 0; i < MAX_SERVERS; i++ ) {
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if( strcasecmp( Conf_Server[i].name, Name ) == 0 ) {
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/* Gotcha! Set port and enable server: */
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@ -490,53 +539,74 @@ Conf_EnableServer( const char *Name, UINT16 Port )
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}
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}
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return false;
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} /* Conf_EnableServer */
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}
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/**
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* Enable a server by name.
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*
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* The server is only usable as outgoing server, if it has set a valid port
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* number for outgoing connections!
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* If not, you have to use Conf_EnableServer() function to make it available.
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*
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* @returns true if a server has been enabled; false otherwise.
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*/
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GLOBAL bool
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Conf_EnablePassiveServer(const char *Name)
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{
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/* Enable specified server */
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int i;
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assert( Name != NULL );
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for (i = 0; i < MAX_SERVERS; i++) {
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if ((strcasecmp( Conf_Server[i].name, Name ) == 0) && (Conf_Server[i].port > 0)) {
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if ((strcasecmp( Conf_Server[i].name, Name ) == 0)
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&& (Conf_Server[i].port > 0)) {
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/* BINGO! Enable server */
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Conf_Server[i].flags &= ~CONF_SFLAG_DISABLED;
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return true;
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}
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}
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return false;
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} /* Conf_EnablePassiveServer */
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}
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/**
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* Disable a server by name.
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* An already established connection will be disconnected.
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*
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* @returns true if a server was found and has been disabled.
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*/
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GLOBAL bool
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Conf_DisableServer( const char *Name )
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{
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/* Enable specified server and adjust port */
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int i;
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assert( Name != NULL );
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for( i = 0; i < MAX_SERVERS; i++ ) {
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if( strcasecmp( Conf_Server[i].name, Name ) == 0 ) {
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/* Gotcha! Disable and disconnect server: */
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Conf_Server[i].flags |= CONF_SFLAG_DISABLED;
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if( Conf_Server[i].conn_id > NONE ) Conn_Close( Conf_Server[i].conn_id, NULL, "Server link terminated on operator request", true);
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if( Conf_Server[i].conn_id > NONE )
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Conn_Close(Conf_Server[i].conn_id, NULL,
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"Server link terminated on operator request",
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true);
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return true;
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}
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}
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return false;
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} /* Conf_DisableServer */
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}
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/**
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* Add a new remote server to our configuration.
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*
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* @param Name Name of the new server.
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* @param Port Port number to connect to or 0 for incoming connections.
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* @param Host Host name to connect to.
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* @param MyPwd Password that will be sent to the peer.
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* @param PeerPwd Password that must be received from the peer.
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* @returns true if the new server has been added; false otherwise.
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*/
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GLOBAL bool
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Conf_AddServer( const char *Name, UINT16 Port, const char *Host, const char *MyPwd, const char *PeerPwd )
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Conf_AddServer(const char *Name, UINT16 Port, const char *Host,
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const char *MyPwd, const char *PeerPwd)
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{
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/* Add new server to configuration */
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int i;
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assert( Name != NULL );
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@ -560,11 +630,12 @@ Conf_AddServer( const char *Name, UINT16 Port, const char *Host, const char *MyP
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Conf_Server[i].flags = CONF_SFLAG_ONCE;
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return true;
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} /* Conf_AddServer */
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}
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/**
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* Check if the given nick name is an service
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* Check if the given nick name is an service.
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*
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* @returns true if the given nick name belongs to an "IRC service".
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*/
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GLOBAL bool
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Conf_IsService(int ConfServer, const char *Nick)
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@ -588,7 +659,6 @@ Set_Defaults_Optional(void)
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#endif
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}
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/**
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* Initialize configuration settings with their default values.
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*/
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@ -663,9 +733,13 @@ Set_Defaults(bool InitServers)
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/* Free MOTD; this is important when reloading the configuration */
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array_free(&Conf_Motd);
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} /* Set_Defaults */
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}
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/**
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* Get number of configured listening ports.
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*
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* @returns The number of ports (IPv4+IPv6) on which the server should listen.
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*/
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static bool
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no_listenports(void)
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{
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@ -676,6 +750,11 @@ no_listenports(void)
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return cnt == 0;
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}
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/**
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* Read MOTD ("message of the day") file.
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*
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* @param filename Name of the file to read.
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*/
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static void
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Read_Motd(const char *filename)
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{
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@ -707,11 +786,19 @@ Read_Motd(const char *filename)
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fclose(fp);
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}
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/**
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* Read ngIRCd configuration file.
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*
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* Please note that this function uses exit(1) on fatal errors and therefore
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* can result in ngIRCd terminating!
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*
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* @param ngircd_starting Flag indicating if ngIRCd is starting or not.
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* @returns true when the configuration file has been read
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* successfully; false otherwise.
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*/
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static bool
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Read_Config( bool ngircd_starting )
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{
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/* Read configuration file. */
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char section[LINE_LEN], str[LINE_LEN], *var, *arg, *ptr;
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const UINT16 defaultport = 6667;
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int line, i, n;
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@ -877,9 +964,14 @@ Read_Config( bool ngircd_starting )
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if (array_bytes(&Conf_Motd) == 0)
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Read_Motd(Conf_MotdFile);
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return true;
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} /* Read_Config */
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}
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/**
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* Check whether an string argument is true or false.
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*
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* @param Arg Input string.
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* @returns true if string has been parsed as "yes"/"true"/"on".
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*/
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static bool
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Check_ArgIsTrue( const char *Arg )
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{
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@ -888,9 +980,15 @@ Check_ArgIsTrue( const char *Arg )
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if( atoi( Arg ) != 0 ) return true;
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return false;
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} /* Check_ArgIsTrue */
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}
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/**
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* Handle setting of "MaxNickLength".
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*
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* @param Line Line number in configuration file.
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* @raram Arg Input string.
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* @returns New configured maximum nick name length.
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*/
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static unsigned int
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Handle_MaxNickLength(int Line, const char *Arg)
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{
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@ -910,9 +1008,11 @@ Handle_MaxNickLength(int Line, const char *Arg)
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return 2;
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}
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return new;
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} /* Handle_MaxNickLength */
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}
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/**
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* Output a warning messages if IDENT is configured but not compiled in.
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*/
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static void
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WarnIdent(int UNUSED Line)
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{
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@ -926,6 +1026,9 @@ WarnIdent(int UNUSED Line)
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#endif
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}
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/**
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* Output a warning messages if PAM is configured but not compiled in.
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*/
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static void
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WarnPAM(int UNUSED Line)
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{
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@ -938,6 +1041,16 @@ WarnPAM(int UNUSED Line)
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#endif
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}
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/**
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* Handle legacy "NoXXX" options in [GLOBAL] section.
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*
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* TODO: This function and support for "NoXXX" should be removed starting
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* with ngIRCd release 19! (One release after marking it "deprecated").
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*
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* @param Var Variable name.
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* @param Arg Argument string.
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* @returns true if a NoXXX option has been processed; false otherwise.
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*/
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static bool
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CheckLegacyNoOption(const char *Var, const char *Arg)
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{
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@ -956,6 +1069,15 @@ CheckLegacyNoOption(const char *Var, const char *Arg)
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return false;
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}
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/**
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* Strip "no" prefix of a string.
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*
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* TODO: This function and support for "NoXXX" should be removed starting
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* with ngIRCd release 19! (One release after marking it "deprecated").
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*
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* @param str Pointer to input string starting with "no".
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* @returns New pointer to string without "no" prefix.
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*/
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static const char *
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NoNo(const char *str)
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{
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@ -963,12 +1085,28 @@ NoNo(const char *str)
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return str + 2;
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}
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/**
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* Invert "boolean" string.
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*
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* 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( int Line, char *Var, char *Arg )
|
||||
{
|
||||
@ -1278,6 +1416,13 @@ Handle_GLOBAL( int Line, char *Var, char *Arg )
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Handle variable in [Features] configuration section.
|
||||
*
|
||||
* @param Line Line numer in configuration file.
|
||||
* @param Var Variable name.
|
||||
* @param Arg Variable argument.
|
||||
*/
|
||||
static void
|
||||
Handle_FEATURES(int Line, char *Var, char *Arg)
|
||||
{
|
||||
@ -1306,6 +1451,13 @@ Handle_FEATURES(int Line, char *Var, char *Arg)
|
||||
Config_Error_Section(Line, Var, "Options");
|
||||
}
|
||||
|
||||
/**
|
||||
* 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( int Line, char *Var, char *Arg )
|
||||
{
|
||||
@ -1347,6 +1499,13 @@ Handle_OPERATOR( int Line, char *Var, char *Arg )
|
||||
Config_Error_Section(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( int Line, char *Var, char *Arg )
|
||||
{
|
||||
@ -1441,7 +1600,16 @@ Handle_SERVER( int Line, char *Var, char *Arg )
|
||||
Config_Error_Section(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)
|
||||
{
|
||||
@ -1460,7 +1628,13 @@ Handle_Channelname(struct Conf_Channel *new_chan, const char *name)
|
||||
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(int Line, char *Var, char *Arg)
|
||||
{
|
||||
@ -1524,6 +1698,16 @@ Handle_CHANNEL(int Line, char *Var, char *Arg)
|
||||
Config_Error_Section(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)
|
||||
{
|
||||
@ -1621,15 +1805,27 @@ Validate_Config(bool Configtest, bool Rehash)
|
||||
#endif
|
||||
|
||||
return config_valid;
|
||||
} /* Validate_Config */
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Output "line too long" warning.
|
||||
*
|
||||
* @param Line Line number in configuration file.
|
||||
* @param Item Affected variable name.
|
||||
*/
|
||||
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 );
|
||||
}
|
||||
|
||||
/**
|
||||
* 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 int Line, const char *Item, const char *Section)
|
||||
{
|
||||
@ -1637,6 +1833,12 @@ Config_Error_Section(const int Line, const char *Item, const char *Section)
|
||||
NGIRCd_ConfFile, 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 int Line, const char *Item )
|
||||
{
|
||||
@ -1644,6 +1846,16 @@ Config_Error_NaN( const int Line, const char *Item )
|
||||
NGIRCd_ConfFile, 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
|
||||
@ -1653,8 +1865,6 @@ const char *Format;
|
||||
va_dcl
|
||||
#endif
|
||||
{
|
||||
/* Error! Write to console and/or logfile. */
|
||||
|
||||
char msg[MAX_LOG_MSG_LEN];
|
||||
va_list ap;
|
||||
|
||||
@ -1668,16 +1878,15 @@ va_dcl
|
||||
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
|
||||
|
||||
/**
|
||||
* Dump internal state of the "configuration module".
|
||||
*/
|
||||
GLOBAL void
|
||||
Conf_DebugDump(void)
|
||||
{
|
||||
@ -1694,16 +1903,18 @@ Conf_DebugDump(void)
|
||||
Conf_Server[i].group, Conf_Server[i].flags,
|
||||
Conf_Server[i].conn_id);
|
||||
}
|
||||
} /* Conf_DebugDump */
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
|
||||
/**
|
||||
* Initialize server configuration structur to default values.
|
||||
*
|
||||
* @param Server Pointer to server structure to initialize.
|
||||
*/
|
||||
static void
|
||||
Init_Server_Struct( CONF_SERVER *Server )
|
||||
{
|
||||
/* Initialize server configuration structur to default values */
|
||||
|
||||
assert( Server != NULL );
|
||||
|
||||
memset( Server, 0, sizeof (CONF_SERVER) );
|
||||
@ -1716,7 +1927,6 @@ Init_Server_Struct( CONF_SERVER *Server )
|
||||
Proc_InitStruct(&Server->res_stat);
|
||||
Server->conn_id = NONE;
|
||||
memset(&Server->bind_addr, 0, sizeof(&Server->bind_addr));
|
||||
} /* Init_Server_Struct */
|
||||
|
||||
}
|
||||
|
||||
/* -eof- */
|
||||
|
||||
Loading…
Reference in New Issue
Block a user