Add opm stuff to default configs
This commit is contained in:
Elizabeth Myers
parent
f105844aad
commit
8275e2700d
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@ -85,7 +85,7 @@ static CNCB socks5_connected;
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static void opm_cancel(struct auth_client *auth);
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static int opm_timeout = 5;
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static int opm_timeout = 10;
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static bool opm_enable = false;
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#define LISTEN_IPV4 0
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@ -420,6 +420,51 @@ blacklist {
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# reject_reason = "${nick}, your IP (${ip}) is listed in ${dnsbl-host} for some reason. In order to protect ${network-name} from abuse, we are not allowing connections listed in ${dnsbl-host} to connect";
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};
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/* These are the OPM settings.
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* This is similar to the functionality provided by BOPM. It will scan incoming
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* connections for open proxies by connecting to clients and attempting several
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* different open proxy handshakes. If they connect back to us (via a dedicated
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* listening port), and send back the data we send them, they are considered
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* an open proxy. For politeness reasons (users may be confused by the incoming
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* connection attempts if they are logging incoming connections), the user is
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* notified upon connect if they are being scanned.
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*
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* WARNING:
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* These settings are considered experimental, and as of this writing, the
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* Charybdis scanner is not as comprehensive as the one available in HOPM. Only
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* basic SOCKS4 and SOCKS5 scanning is performed on a few well-known ports. You
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* may disable the open proxy scanning feature by deleting this block if you are
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* uncomfortable with this.
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*/
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opm {
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/* IPv4 address to listen on. This must be a publicly facing IP address
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* to be effective.
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* If omitted, it defaults to serverinfo::vhost.
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*/
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#listen_ipv4 = "127.0.0.1";
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/* IPv4 port to listen on.
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* This should not be the same as any existing listeners.
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*/
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#port_ipv4 = 32000;
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/* IPv6 address to listen on. This must be a publicly facing IP address
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* to be effective.
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* If omitted, it defaults to serverinfo::vhost6.
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*/
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#listen_ipv6 = "0::1";
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/* IPv6 port to listen on.
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* This should not be the same as any existing listeners.
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*/
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#port_ipv6 = 32000;
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/* You can also set a port directive which will set both the IPv4 and
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* IPv6 ports at once.
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*/
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port = 32000;
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};
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alias "NickServ" {
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target = "NickServ";
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};
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@ -895,6 +895,51 @@ blacklist {
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# reject_reason = "${nick}, your IP (${ip}) is listed in ${dnsbl-host} for some reason. In order to protect ${network-name} from abuse, we are not allowing connections listed in ${dnsbl-host} to connect";
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};
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/* These are the OPM settings.
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* This is similar to the functionality provided by BOPM. It will scan incoming
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* connections for open proxies by connecting to clients and attempting several
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* different open proxy handshakes. If they connect back to us (via a dedicated
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* listening port), and send back the data we send them, they are considered
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* an open proxy. For politeness reasons (users may be confused by the incoming
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* connection attempts if they are logging incoming connections), the user is
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* notified upon connect if they are being scanned.
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*
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* WARNING:
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* These settings are considered experimental, and as of this writing, the
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* Charybdis scanner is not as comprehensive as the one available in HOPM. Only
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* basic SOCKS4 and SOCKS5 scanning is performed on a few well-known ports. You
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* may disable the open proxy scanning feature by deleting this block if you are
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* uncomfortable with this.
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*/
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opm {
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/* IPv4 address to listen on. This must be a publicly facing IP address
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* to be effective.
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* If omitted, it defaults to serverinfo::vhost.
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*/
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#listen_ipv4 = "127.0.0.1";
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/* IPv4 port to listen on.
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* This should not be the same as any existing listeners.
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*/
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#port_ipv4 = 32000;
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/* IPv6 address to listen on. This must be a publicly facing IP address
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* to be effective.
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* If omitted, it defaults to serverinfo::vhost6.
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*/
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#listen_ipv6 = "0::1";
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/* IPv6 port to listen on.
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* This should not be the same as any existing listeners.
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*/
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#port_ipv6 = 32000;
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/* You can also set a port directive which will set both the IPv4 and
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* IPv6 ports at once.
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*/
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port = 32000;
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};
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/*
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* Alias blocks allow you to define custom commands. (Old m_sshortcut.c)
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* They send PRIVMSG to the given target. A real command takes
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222
ircd/newconf.c
222
ircd/newconf.c
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@ -57,6 +57,11 @@ static char *yy_blacklist_reason = NULL;
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static uint8_t yy_blacklist_iptype = 0;
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static rb_dlink_list yy_blacklist_filters = { NULL, NULL, 0 };
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static char *yy_opm_address_ipv4 = NULL;
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static char *yy_opm_address_ipv6 = NULL;
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static uint16_t yy_opm_port_ipv4 = 0;
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static uint16_t yy_opm_port_ipv6 = 0;
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static char *yy_privset_extends = NULL;
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static const char *
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@ -2014,6 +2019,216 @@ cleanup_bl:
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yy_blacklist_iptype = 0;
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}
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static int
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conf_begin_opm(struct TopConf *tc)
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{
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yy_opm_address_ipv4 = yy_opm_address_ipv6 = NULL;
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yy_opm_port_ipv4 = yy_opm_port_ipv6 = 0;
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return 0;
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}
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static int
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conf_end_opm(struct TopConf *tc)
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{
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if(yy_opm_port_ipv4 > 0)
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{
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if(yy_opm_address_ipv4 != NULL)
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create_opm_listener(yy_opm_address_ipv4, yy_opm_port_ipv4);
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else
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{
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char ip[HOSTIPLEN];
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if(!rb_inet_ntop_sock((struct sockaddr *)&ServerInfo.ip, ip, sizeof(ip)))
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{
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conf_report_error("No opm::listen_ipv4 nor serverinfo::vhost directive; cannot listen on IPv4");
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return 1;
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}
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else
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{
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create_opm_listener(ip, yy_opm_port_ipv4);
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}
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}
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}
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if(yy_opm_port_ipv6 > 0)
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{
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if(yy_opm_address_ipv6 != NULL)
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create_opm_listener(yy_opm_address_ipv6, yy_opm_port_ipv6);
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else
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{
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char ip[HOSTIPLEN];
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if(!rb_inet_ntop_sock((struct sockaddr *)&ServerInfo.ip6, ip, sizeof(ip)))
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{
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conf_report_error("No opm::listen_ipv6 nor serverinfo::vhost directive; cannot listen on IPv6");
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return 1;
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}
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else
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{
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create_opm_listener(ip, yy_opm_port_ipv6);
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}
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}
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}
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rb_free(yy_opm_address_ipv4);
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rb_free(yy_opm_address_ipv6);
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return 0;
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}
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static void
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conf_set_opm_listen_address_ipv4(void *data)
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{
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struct rb_sockaddr_storage addr;
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char *ip = data;
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if(ip == NULL)
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{
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conf_report_error("opm::listen_ipv4 cannot be empty");
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return;
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}
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/* Test the address for validity */
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if(!rb_inet_pton_sock(ip, (struct sockaddr *)&addr))
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{
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conf_report_error("opm::listen_ipv4 is invalid: %s", ip);
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return;
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}
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#ifdef RB_IPV6
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if(GET_SS_FAMILY(&addr) == AF_INET6)
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{
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conf_report_error("opm::listen_ipv4 is an IPv6 address: %s", ip);
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return;
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}
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#endif
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if(yy_opm_address_ipv4 != NULL)
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{
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conf_report_error("opm::listen_ipv4 %s overwrites previous one: %s",
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ip, yy_opm_address_ipv4);
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return;
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}
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yy_opm_address_ipv4 = rb_strdup(ip);
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}
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static void
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conf_set_opm_listen_address_ipv6(void *data)
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{
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#ifndef RB_IPV6
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conf_report_error("opm::listen_ipv6 requires IPv6 support in your ircd");
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return;
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#else
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struct rb_sockaddr_storage addr;
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char *ip = data;
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if(ip == NULL)
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{
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conf_report_error("opm::listen_ipv4 cannot be empty");
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return;
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}
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/* Test the address for validity */
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if(!rb_inet_pton_sock(ip, (struct sockaddr *)&addr))
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{
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conf_report_error("opm::listen_ipv6 is invalid: %s", ip);
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return;
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}
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if(GET_SS_FAMILY(&addr) == AF_INET)
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{
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conf_report_error("opm::listen_ipv6 is an IPv4 address: %s", ip);
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return;
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}
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if(yy_opm_address_ipv6 != NULL)
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{
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conf_report_error("opm::listen_ipv6 %s overwrites previous one: %s",
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ip, yy_opm_address_ipv6);
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return;
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}
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yy_opm_address_ipv6 = rb_strdup(ip);
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#endif
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}
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static void
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conf_set_opm_listen_port_ipv4(void *data)
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{
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#ifndef RB_IPV6
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conf_report_error("opm::listen_ipv6 requires IPv6 support in your ircd");
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return;
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#else
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int port = *((int *)data);
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if(port > 65535 || port <= 0)
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{
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conf_report_error("opm::port_ipv4 is out of range: %d", port);
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return;
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}
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if(yy_opm_port_ipv4)
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{
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conf_report_error("opm::port_ipv4 %d overwrites existing port %hu",
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port, yy_opm_port_ipv4);
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return;
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}
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yy_opm_port_ipv4 = (uint16_t)port;
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#endif
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}
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static void
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conf_set_opm_listen_port_ipv6(void *data)
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{
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int port = *((int *)data);
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if(port > 65535 || port <= 0)
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{
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conf_report_error("opm::port_ipv6 is out of range: %d", port);
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return;
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}
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if(yy_opm_port_ipv6)
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{
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conf_report_error("opm::port_ipv6 %d overwrites existing port %hu",
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port, yy_opm_port_ipv6);
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return;
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}
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yy_opm_port_ipv6 = (uint16_t)port;
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}
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static void
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conf_set_opm_listen_port(void *data)
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{
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int port = *((int *)data);
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bool fail = false; /* Allow us to report shadowing of IPv4 and IPv6 port */
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if(port > 65535 || port <= 0)
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{
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conf_report_error("opm::port is out of range: %d", port);
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return;
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}
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if(yy_opm_port_ipv4)
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{
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conf_report_error("opm::port %d overwrites existing IPv4 port %hu",
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port, yy_opm_port_ipv4);
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fail = true;
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}
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if(yy_opm_port_ipv6)
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{
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conf_report_error("opm::port %d overwrites existing IPv6 port %hu",
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port, yy_opm_port_ipv6);
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fail = true;
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}
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if(fail)
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return;
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yy_opm_port_ipv4 = yy_opm_port_ipv6 = (uint16_t)port;
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}
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/* public functions */
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@ -2542,4 +2757,11 @@ newconf_init()
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add_conf_item("blacklist", "type", CF_STRING | CF_FLIST, conf_set_blacklist_type);
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add_conf_item("blacklist", "matches", CF_QSTRING | CF_FLIST, conf_set_blacklist_matches);
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add_conf_item("blacklist", "reject_reason", CF_QSTRING, conf_set_blacklist_reason);
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add_top_conf("opm", conf_begin_opm, conf_end_opm, NULL);
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add_conf_item("opm", "listen_ipv4", CF_QSTRING, conf_set_opm_listen_address_ipv4);
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add_conf_item("opm", "port_v4", CF_INT, conf_set_opm_listen_port_ipv4);
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add_conf_item("opm", "listen_ipv6", CF_QSTRING, conf_set_opm_listen_address_ipv6);
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add_conf_item("opm", "port_v6", CF_INT, conf_set_opm_listen_port_ipv6);
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add_conf_item("opm", "listen_port", CF_INT, conf_set_opm_listen_port);
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}
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