#include "hash.h"
#include "ircd.h"
#include "ircd_alloc.h"
-#include "ircd_auth.h"
#include "ircd_chattr.h"
#include "ircd_log.h"
#include "ircd_reply.h"
#include "opercmds.h"
#include "parse.h"
#include "res.h"
+#include "s_auth.h"
#include "s_bsd.h"
#include "s_conf.h"
#include "s_debug.h"
#include <stdio.h>
#include <string.h>
#include <arpa/inet.h>
+
#define MAX_STRINGS 80 /* Maximum number of feature params. */
+#define USE_IPV4 (1 << 16)
+#define USE_IPV6 (1 << 17)
+
extern struct LocalConf localConf;
extern struct DenyConf* denyConfList;
extern struct CRuleConf* cruleConfList;
/* Now all the globals we need :/... */
int tping, tconn, maxlinks, sendq, port, invert, stringno, flags;
char *name, *pass, *host, *ip, *username, *origin, *hub_limit;
+ struct SLink *hosts;
char *stringlist[MAX_STRINGS];
+ struct ListenerFlags listen_flags;
struct ConnectionClass *c_class;
struct DenyConf *dconf;
struct ServerConf *sconf;
yyerror(error_buffer);
}
+static void free_slist(struct SLink **link) {
+ struct SLink *next;
+ while (*link != NULL) {
+ next = (*link)->next;
+ MyFree((*link)->value.cp);
+ free_link(*link);
+ *link = next;
+ }
+}
+
%}
%token <text> QSTRING
%token TIMEOUT
%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
%token TPRIV_SEE_CHAN TPRIV_SHOW_INVIS TPRIV_SHOW_ALL_INVIS TPRIV_PROPAGATE
%token TPRIV_UNLIMIT_QUERY TPRIV_DISPLAY TPRIV_SEE_OPERS TPRIV_WIDE_GLINE
%token TPRIV_FORCE_OPMODE TPRIV_FORCE_LOCAL_OPMODE TPRIV_APASS_OPMODE
+%token TPRIV_LIST_CHAN
/* 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);
};
-adminblock: ADMIN '{' adminitems '}' ';'
+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
+{
+ MyFree(localConf.location1);
+ MyFree(localConf.location2);
+ MyFree(localConf.contact);
+ localConf.location1 = localConf.location2 = localConf.contact = NULL;
+}
+'{' adminitems '}' ';'
{
if (localConf.location1 == NULL)
DupString(localConf.location1, "");
connectblock: CONNECT
{
- maxlinks = 65535;
flags = CONF_AUTOCONNECT;
} '{' connectitems '}' ';'
{
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, '?'))
aconf->conn_class = c_class;
aconf->address.port = port;
aconf->host = host;
- aconf->maximum = maxlinks;
+ /* If the user specified a hub allowance, but not maximum links,
+ * allow an effectively unlimited number of hops.
+ */
+ aconf->maximum = (hub_limit != NULL && maxlinks == 0) ? 65535 : maxlinks;
aconf->hub_limit = hub_limit;
aconf->flags = flags;
lookup_confhost(aconf);
}
name = pass = host = origin = hub_limit = NULL;
c_class = NULL;
- port = flags = 0;
+ port = flags = maxlinks = 0;
};
connectitems: connectitem connectitems | connectitem;
connectitem: connectname | connectpass | connectclass | connecthost
operblock: OPER '{' operitems '}' ';'
{
struct ConfItem *aconf = NULL;
+ struct SLink *link;
+
if (name == NULL)
parse_error("Missing name in operator block");
else if (pass == NULL)
parse_error("Missing password in operator block");
- else if (host == NULL)
- parse_error("Missing host in operator block");
+ /* Do not check password length because it may be crypted. */
+ else if (hosts == NULL)
+ parse_error("Missing host(s) in operator block");
else if (c_class == NULL)
parse_error("Invalid or missing class in operator block");
- else {
+ 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 for (link = hosts; link != NULL; link = link->next) {
aconf = make_conf(CONF_OPERATOR);
- aconf->name = name;
- aconf->passwd = pass;
- conf_parse_userhost(aconf, host);
+ DupString(aconf->name, name);
+ DupString(aconf->passwd, pass);
+ conf_parse_userhost(aconf, link->value.cp);
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);
- MyFree(pass);
- MyFree(host);
- }
- name = pass = host = NULL;
+ MyFree(name);
+ MyFree(pass);
+ free_slist(&hosts);
+ name = pass = NULL;
c_class = NULL;
memset(&privs, 0, sizeof(privs));
memset(&privs_dirty, 0, sizeof(privs_dirty));
};
operhost: HOST '=' QSTRING ';'
{
- MyFree(host);
+ struct SLink *link;
+ link = make_link();
if (!strchr($3, '@'))
{
int uh_len;
- host = (char*) MyMalloc((uh_len = strlen($3)+3));
- ircd_snprintf(0, host, uh_len, "*@%s", $3);
- MyFree($3);
+ link->value.cp = (char*) MyMalloc((uh_len = strlen($3)+3));
+ ircd_snprintf(0, link->value.cp, uh_len, "*@%s", $3);
}
else
- host = $3;
+ DupString(link->value.cp, $3);
+ MyFree($3);
+ link->next = hosts;
+ hosts = link;
};
operclass: CLASS '=' QSTRING ';'
{
TPRIV_DISPLAY { $$ = PRIV_DISPLAY; } |
TPRIV_SEE_OPERS { $$ = PRIV_SEE_OPERS; } |
TPRIV_WIDE_GLINE { $$ = PRIV_WIDE_GLINE; } |
+ TPRIV_LIST_CHAN { $$ = PRIV_LIST_CHAN; } |
LOCAL { $$ = PRIV_PROPAGATE; invert = 1; } |
TPRIV_FORCE_OPMODE { $$ = PRIV_FORCE_OPMODE; } |
TPRIV_FORCE_LOCAL_OPMODE { $$ = PRIV_FORCE_LOCAL_OPMODE; } |
yesorno: YES { $$ = 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 (port > 0 && port <= 0xFFFF)
- add_listener(port, host, pass, tconn, tping);
- else
- parse_error("Port %d is out of range", port);
- MyFree(host);
+portblock: PORT '{' portitems '}' ';' {
+ struct ListenerFlags flags_here;
+ struct SLink *link;
+ if (hosts == NULL) {
+ struct SLink *link;
+ link = make_link();
+ DupString(link->value.cp, "*");
+ link->flags = 0;
+ link->next = hosts;
+ hosts = link;
+ }
+ for (link = hosts; link != NULL; link = link->next) {
+ memcpy(&flags_here, &listen_flags, sizeof(&flags_here));
+ switch (link->flags & (USE_IPV4 | USE_IPV6)) {
+ case USE_IPV4:
+ FlagSet(&flags_here, LISTEN_IPV4);
+ break;
+ case USE_IPV6:
+ FlagSet(&flags_here, LISTEN_IPV6);
+ break;
+ default: /* 0 or USE_IPV4|USE_IPV6 */
+ FlagSet(&flags_here, LISTEN_IPV4);
+ FlagSet(&flags_here, LISTEN_IPV6);
+ break;
+ }
+ if (link->flags & 65535)
+ port = link->flags & 65535;
+ add_listener(port, link->value.cp, pass, &flags_here);
+ }
+ free_slist(&hosts);
MyFree(pass);
- host = pass = NULL;
- port = tconn = tping = 0;
+ memset(&listen_flags, 0, sizeof(listen_flags));
+ pass = NULL;
+ port = 0;
};
portitems: portitem portitems | portitem;
-portitem: portnumber | portvhost | portmask | portserver | porthidden;
-portnumber: PORT '=' NUMBER ';'
+portitem: portnumber | portvhost | portvhostnumber | portmask | portserver | porthidden;
+portnumber: PORT '=' address_family NUMBER ';'
{
- port = $3;
+ if ($4 < 1 || $4 > 65535) {
+ parse_error("Port %d is out of range", port);
+ } else {
+ port = $3 | $4;
+ if (hosts && (0 == (hosts->flags & 65535)))
+ hosts->flags = (hosts->flags & ~65535) | port;
+ }
};
-portvhost: VHOST '=' QSTRING ';'
+portvhost: VHOST '=' address_family QSTRING ';'
{
- MyFree(host);
- host = $3;
+ struct SLink *link;
+ link = make_link();
+ link->value.cp = $4;
+ link->flags = $3 | port;
+ link->next = hosts;
+ hosts = link;
+};
+
+portvhostnumber: VHOST '=' address_family QSTRING NUMBER ';'
+{
+ if ($5 < 1 || $5 > 65535) {
+ parse_error("Port %d is out of range", port);
+ } else {
+ struct SLink *link;
+ link = make_link();
+ link->value.cp = $4;
+ link->flags = $3 | $5;
+ link->next = hosts;
+ hosts = link;
+ }
};
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
{
maxlinks = 65535;
+ port = 0;
}
'{' clientitems '}' ';'
{
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 {
memcpy(&aconf->address.addr, &addr, sizeof(aconf->address.addr));
else
memset(&aconf->address.addr, 0, sizeof(aconf->address.addr));
+ aconf->address.port = port;
aconf->addrbits = addrbits;
aconf->name = ip;
aconf->conn_class = c_class;
host = NULL;
username = NULL;
c_class = NULL;
+ maxlinks = 0;
ip = NULL;
pass = NULL;
+ port = 0;
};
clientitems: clientitem clientitems | clientitem;
-clientitem: clienthost | clientip | clientusername | clientclass | clientpass | clientmaxlinks;
+clientitem: clienthost | clientip | clientusername | clientclass | clientpass | clientmaxlinks | clientport;
clienthost: HOST '=' QSTRING ';'
{
char *sep = strchr($3, '@');
{
c_class = find_class($3);
if (!c_class)
- parse_error("No such connection class '%s' for Class block", $3);
+ parse_error("No such connection class '%s' for Client block", $3);
MyFree($3);
};
clientpass: PASS '=' QSTRING ';'
{
maxlinks = $3;
};
+clientport: PORT '=' expr ';'
+{
+ port = $3;
+};
killblock: KILL
{
} '{' cruleitems '}' ';'
{
struct CRuleNode *node = NULL;
- if (host == NULL)
- parse_error("Missing host in crule block");
+ struct SLink *link;
+
+ if (hosts == NULL)
+ parse_error("Missing server(s) in crule block");
else if (pass == NULL)
parse_error("Missing rule in crule block");
else if ((node = crule_parse(pass)) == NULL)
parse_error("Invalid rule '%s' in crule block", pass);
- else
+ else for (link = hosts; link != NULL; link = link->next)
{
struct CRuleConf *p = (struct CRuleConf*) MyMalloc(sizeof(*p));
- p->hostmask = host;
- p->rule = pass;
+ if (node == NULL)
+ node = crule_parse(pass);
+ DupString(p->hostmask, link->value.cp);
+ DupString(p->rule, pass);
p->type = tconn;
p->node = node;
+ node = NULL;
p->next = cruleConfList;
cruleConfList = p;
}
- if (!node)
- {
- MyFree(host);
- MyFree(pass);
- }
- host = pass = NULL;
+ free_slist(&hosts);
+ MyFree(pass);
+ pass = NULL;
tconn = 0;
};
cruleserver: SERVER '=' QSTRING ';'
{
- MyFree(host);
- collapse($3);
- host = $3;
+ struct SLink *link;
+ link = make_link();
+ link->value.cp = $3;
+ link->next = hosts;
+ hosts = link;
};
crulerule: RULE '=' QSTRING ';'
motdblock: MOTD '{' motditems '}' ';'
{
- if (host != NULL && pass != NULL)
- motd_add(host, pass);
- MyFree(host);
+ struct SLink *link;
+ if (pass != NULL)
+ for (link = hosts; link != NULL; link = link->next)
+ motd_add(link->value.cp, pass);
+ free_slist(&hosts);
MyFree(pass);
- host = pass = NULL;
+ pass = NULL;
};
motditems: motditem motditems | motditem;
motditem: motdhost | motdfile;
motdhost: HOST '=' QSTRING ';'
{
- host = $3;
+ struct SLink *link;
+ link = make_link();
+ link->value.cp = $3;
+ link->next = hosts;
+ hosts = link;
};
motdfile: TFILE '=' QSTRING ';'
{
+ MyFree(pass);
pass = $3;
};
{
stringlist[0] = $1;
stringno = 1;
-} '=' stringlist ';';
-
-stringlist: QSTRING
-{
- stringlist[1] = $1;
- stringno = 2;
-} posextrastrings
-{
+} '=' stringlist ';' {
unsigned int ii;
feature_set(NULL, (const char * const *)stringlist, stringno);
for (ii = 0; ii < stringno; ++ii)
MyFree(stringlist[ii]);
};
-posextrastrings: /* empty */ | extrastrings;
-extrastrings: extrastrings extrastring | extrastring;
+
+stringlist: stringlist extrastring | extrastring;
extrastring: QSTRING
{
if (stringno < MAX_STRINGS)
parse_error("Missing name in pseudo %s block", smap->command);
else if (!smap->services)
parse_error("Missing nick in pseudo %s block", smap->command);
+ else if (!strIsAlpha(smap->command))
+ parse_error("Pseudo command %s invalid: must all be letters", smap->command);
else
valid = 1;
if (valid && register_mapping(smap))
smap->flags |= SMAP_FAST;
};
-iauthblock: IAUTH '{'
-{
- tconn = 60;
- tping = 60;
-} iauthitems '}' ';'
+iauthblock: IAUTH '{' iauthitems '}' ';'
{
- if (!host)
- parse_error("Missing host in iauth block");
- else if (!port)
- parse_error("Missing port in iauth block");
- else
- iauth_connect(host, port, pass, tconn, tping);
- MyFree(pass);
- MyFree(host);
- pass = host = NULL;
- port = tconn = tping = 0;
+ auth_spawn(stringno, stringlist);
+ while (stringno > 0)
+ {
+ --stringno;
+ MyFree(stringlist[stringno]);
+ }
};
iauthitems: iauthitem iauthitems | iauthitem;
-iauthitem: iauthpass | iauthhost | iauthport | iauthconnfreq | iauthtimeout;
-iauthpass: PASS '=' QSTRING ';'
-{
- MyFree(pass);
- pass = $3;
-};
-iauthhost: HOST '=' QSTRING ';'
-{
- MyFree(host);
- host = $3;
-};
-iauthport: PORT '=' NUMBER ';'
-{
- port = $3;
-};
-iauthconnfreq: CONNECTFREQ '=' timespec ';'
-{
- tconn = $3;
-};
-iauthtimeout: TIMEOUT '=' timespec ';'
+iauthitem: iauthprogram;
+iauthprogram: PROGRAM '='
{
- tping = $3;
-};
+ while (stringno > 0)
+ {
+ --stringno;
+ MyFree(stringlist[stringno]);
+ }
+} stringlist ';';