#include <stdio.h>
#include <string.h>
#include <arpa/inet.h>
+
#define MAX_STRINGS 80 /* Maximum number of feature params. */
+#define USE_IPV4 (1 << 0)
+#define USE_IPV6 (1 << 1)
+
extern struct LocalConf localConf;
extern struct DenyConf* denyConfList;
extern struct CRuleConf* cruleConfList;
int tping, tconn, maxlinks, sendq, port, invert, stringno, flags;
char *name, *pass, *host, *ip, *username, *origin, *hub_limit;
char *stringlist[MAX_STRINGS];
+ struct ListenerFlags listen_flags;
struct ConnectionClass *c_class;
struct DenyConf *dconf;
struct ServerConf *sconf;
%token FAST
%token AUTOCONNECT
%token PROGRAM
+%token TOK_IPV4 TOK_IPV6
+%token DNS
/* and now a lot of privileges... */
%token TPRIV_CHAN_LIMIT TPRIV_MODE_LCHAN TPRIV_DEOP_LCHAN TPRIV_WALK_LCHAN
%token TPRIV_LOCAL_KILL TPRIV_REHASH TPRIV_RESTART TPRIV_DIE
/* and some types... */
%type <num> sizespec
%type <num> timespec timefactor factoredtimes factoredtime
-%type <num> expr yesorno privtype
+%type <num> expr yesorno privtype address_family
%left '+' '-'
%left '*' '/'
parse_error("Your General block must contain a numeric (between 1 and 4095).");
};
generalitems: generalitem generalitems | generalitem;
-generalitem: generalnumeric | generalname | generalvhost | generaldesc;
+generalitem: generalnumeric | generalname | generalvhost | generaldesc
+ | generaldnsvhost | generaldnsserver;
+
generalnumeric: NUMERIC '=' NUMBER ';'
{
if (localConf.numeric == 0)
generalvhost: VHOST '=' QSTRING ';'
{
struct irc_in_addr addr;
- if (!strcmp($3, "*")) {
+ char *vhost = $3;
+
+ if (!strcmp(vhost, "*")) {
/* This traditionally meant bind to all interfaces and connect
* from the default. */
- } else if (!ircd_aton(&addr, $3))
- parse_error("Invalid virtual host '%s'.", $3);
+ } else if (!ircd_aton(&addr, vhost))
+ parse_error("Invalid virtual host '%s'.", vhost);
else if (irc_in_addr_is_ipv4(&addr))
memcpy(&VirtualHost_v4.addr, &addr, sizeof(addr));
else
memcpy(&VirtualHost_v6.addr, &addr, sizeof(addr));
- MyFree($3);
+ MyFree(vhost);
+};
+
+generaldnsvhost: DNS VHOST '=' address_family QSTRING ';'
+{
+ struct irc_in_addr addr;
+ int families = $4;
+ char *vhost = $5;
+
+ if (!strcmp(vhost, "*")) {
+ /* Let the operating system assign the default. */
+ } else if (!ircd_aton(&addr, vhost))
+ parse_error("Invalid DNS virtual host '%s'.", vhost);
+ else
+ {
+ if ((families & USE_IPV4)
+ || (!families && irc_in_addr_is_ipv4(&addr)))
+ memcpy(&VirtualHost_dns_v4.addr, &addr, sizeof(addr));
+ if ((families & USE_IPV6)
+ || (!families && !irc_in_addr_is_ipv4(&addr)))
+ memcpy(&VirtualHost_dns_v6.addr, &addr, sizeof(addr));
+ }
+ MyFree(vhost);
+};
+
+generaldnsserver: DNS SERVER '=' QSTRING ';'
+{
+ char *server = $4;
+
+ add_nameserver(server);
+ MyFree(server);
};
adminblock: ADMIN
parse_error("Missing name in connect block");
else if (pass == NULL)
parse_error("Missing password in connect block");
+ else if (strlen(pass) > PASSWDLEN)
+ parse_error("Password too long in connect block");
else if (host == NULL)
parse_error("Missing host in connect block");
else if (strchr(host, '*') || strchr(host, '?'))
parse_error("Missing name in operator block");
else if (pass == NULL)
parse_error("Missing password in operator block");
+ /* Do not check password length because it may be crypted. */
else if (host == NULL)
parse_error("Missing host in operator block");
else if (c_class == NULL)
parse_error("Invalid or missing class in operator block");
+ else if (!FlagHas(&privs_dirty, PRIV_PROPAGATE)
+ && !FlagHas(&c_class->privs_dirty, PRIV_PROPAGATE))
+ parse_error("Operator block for %s and class %s have no LOCAL setting", name, c_class->cc_name);
else {
aconf = make_conf(CONF_OPERATOR);
aconf->name = name;
aconf->conn_class = c_class;
memcpy(&aconf->privs, &privs, sizeof(aconf->privs));
memcpy(&aconf->privs_dirty, &privs_dirty, sizeof(aconf->privs_dirty));
- if (!FlagHas(&privs_dirty, PRIV_PROPAGATE)
- && !FlagHas(&c_class->privs_dirty, PRIV_PROPAGATE))
- parse_error("Operator block for %s and class %s have no LOCAL setting", name, c_class->cc_name);
}
if (!aconf) {
MyFree(name);
yesorno: YES { $$ = 1; } | NO { $$ = 0; };
+/* not a recursive definition because some pedant will just come along
+ * and whine that the parser accepts "ipv4 ipv4 ipv4 ipv4"
+ */
+address_family:
+ { $$ = 0; }
+ | TOK_IPV4 { $$ = USE_IPV4; }
+ | TOK_IPV6 { $$ = USE_IPV6; }
+ | TOK_IPV4 TOK_IPV6 { $$ = USE_IPV4 | USE_IPV6; }
+ | TOK_IPV6 TOK_IPV4 { $$ = USE_IPV6 | USE_IPV4; }
+ ;
+
/* The port block... */
portblock: PORT '{' portitems '}' ';'
{
+ if (!FlagHas(&listen_flags, LISTEN_IPV4)
+ && !FlagHas(&listen_flags, LISTEN_IPV6))
+ {
+ FlagSet(&listen_flags, LISTEN_IPV4);
+ FlagSet(&listen_flags, LISTEN_IPV6);
+ }
if (port > 0 && port <= 0xFFFF)
- add_listener(port, host, pass, tconn, tping);
+ add_listener(port, host, pass, &listen_flags);
else
parse_error("Port %d is out of range", port);
MyFree(host);
MyFree(pass);
+ memset(&listen_flags, 0, sizeof(listen_flags));
host = pass = NULL;
- port = tconn = tping = 0;
+ port = 0;
};
portitems: portitem portitems | portitem;
portitem: portnumber | portvhost | portmask | portserver | porthidden;
-portnumber: PORT '=' NUMBER ';'
+portnumber: PORT '=' address_family NUMBER ';'
{
- port = $3;
+ int families = $3;
+ if (families & USE_IPV4)
+ FlagSet(&listen_flags, LISTEN_IPV4);
+ else if (families & USE_IPV6)
+ FlagSet(&listen_flags, LISTEN_IPV6);
+ port = $4;
};
-portvhost: VHOST '=' QSTRING ';'
+portvhost: VHOST '=' address_family QSTRING ';'
{
+ int families = $3;
+ if (families & USE_IPV4)
+ FlagSet(&listen_flags, LISTEN_IPV4);
+ else if (families & USE_IPV6)
+ FlagSet(&listen_flags, LISTEN_IPV6);
MyFree(host);
- host = $3;
+ host = $4;
};
portmask: MASK '=' QSTRING ';'
portserver: SERVER '=' YES ';'
{
- tconn = -1;
+ FlagSet(&listen_flags, LISTEN_SERVER);
} | SERVER '=' NO ';'
{
- tconn = 0;
+ FlagClr(&listen_flags, LISTEN_SERVER);
};
porthidden: HIDDEN '=' YES ';'
{
- tping = -1;
+ FlagSet(&listen_flags, LISTEN_HIDDEN);
} | HIDDEN '=' NO ';'
{
- tping = 0;
+ FlagClr(&listen_flags, LISTEN_HIDDEN);
};
clientblock: CLIENT
if (!c_class)
parse_error("Invalid or missing class in Client block");
+ else if (pass && strlen(pass) > PASSWDLEN)
+ parse_error("Password too long in connect block");
else if (ip && !ipmask_parse(ip, &addr, &addrbits))
parse_error("Invalid IP address %s in Client block", ip);
else {
{
auth_spawn(stringno, stringlist);
while (stringno > 0)
- MyFree(stringlist[stringno--]);
+ MyFree(stringlist[--stringno]);
};
iauthitems: iauthitem iauthitems | iauthitem;
iauthprogram: PROGRAM '='
{
while (stringno > 0)
- MyFree(stringlist[stringno--]);
+ MyFree(stringlist[--stringno]);
} stringlist ';';