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-rw-r--r--docs/help/in/connect.in5
-rw-r--r--docs/help/in/server.in1
-rw-r--r--src/common.h8
-rw-r--r--src/core/chat-commands.c9
-rw-r--r--src/core/chatnet-rec.h2
-rw-r--r--src/core/net-nonblock.c11
-rw-r--r--src/core/net-nonblock.h4
-rw-r--r--src/core/network.c80
-rw-r--r--src/core/network.h13
-rw-r--r--src/core/server-connect-rec.h2
-rw-r--r--src/core/server-setup-rec.h2
-rw-r--r--src/core/servers-reconnect.c10
-rw-r--r--src/core/servers-setup.c105
-rw-r--r--src/core/servers-setup.h2
-rw-r--r--src/core/servers.c62
-rw-r--r--src/core/servers.h4
-rw-r--r--src/fe-common/core/fe-server.c4
-rw-r--r--src/fe-common/irc/fe-ircnet.c4
-rw-r--r--src/irc/dcc/dcc-chat.c6
-rw-r--r--src/irc/dcc/dcc-get.c7
-rw-r--r--src/irc/dcc/dcc.c2
21 files changed, 216 insertions, 127 deletions
diff --git a/docs/help/in/connect.in b/docs/help/in/connect.in
index e5ba96e1..f4671ab4 100644
--- a/docs/help/in/connect.in
+++ b/docs/help/in/connect.in
@@ -1,8 +1,9 @@
@SYNTAX:connect@
- -ircnet the IRCNet
- -host the host
+ -4, -6: specify explicitly whether to use IPv4 or IPv6 address
+ -ircnet: the IRCNet
+ -host: the host
This command makes irssi to connect to specified server.
Current connections are kept and a new one is created.
diff --git a/docs/help/in/server.in b/docs/help/in/server.in
index 3d3ebee5..f75462cb 100644
--- a/docs/help/in/server.in
+++ b/docs/help/in/server.in
@@ -1,6 +1,7 @@
@SYNTAX:server@
+ -4, -6: specify explicitly whether to use IPv4 or IPv6 address
-auto: Automatically connect to server at startup (default)
-noauto: Don't connect to server at startup
-ircnet: Specify what IRC network this server belongs to
diff --git a/src/common.h b/src/common.h
index 8a638097..1f0b3a3a 100644
--- a/src/common.h
+++ b/src/common.h
@@ -47,10 +47,14 @@
#include "nls.h"
#define g_free_not_null(a) \
- if (a) g_free(a);
+ G_STMT_START { \
+ if (a) g_free(a); \
+ } G_STMT_END
#define g_free_and_null(a) \
- if (a) { g_free(a); (a) = NULL; }
+ G_STMT_START { \
+ if (a) { g_free(a); (a) = NULL; } \
+ } G_STMT_END
#define G_INPUT_READ (1 << 0)
#define G_INPUT_WRITE (1 << 1)
diff --git a/src/core/chat-commands.c b/src/core/chat-commands.c
index 94d65e0e..11cc9c30 100644
--- a/src/core/chat-commands.c
+++ b/src/core/chat-commands.c
@@ -89,13 +89,10 @@ static SERVER_CONNECT_REC *get_server_connect(const char *data, int *plus_addr)
host = g_hash_table_lookup(optlist, "host");
if (host != NULL && *host != '\0') {
- IPADDR ip;
+ IPADDR ip4, ip6;
- if (net_gethostbyname(host, &ip, conn->family) == 0) {
- if (conn->own_ip == NULL)
- conn->own_ip = g_new(IPADDR, 1);
- memcpy(conn->own_ip, &ip, sizeof(IPADDR));
- }
+ if (net_gethostbyname(host, &ip4, &ip6) == 0)
+ server_connect_own_ip_save(conn, &ip4, &ip6);
}
cmd_params_free(free_arg);
diff --git a/src/core/chatnet-rec.h b/src/core/chatnet-rec.h
index 3044643a..e3ed8aa0 100644
--- a/src/core/chatnet-rec.h
+++ b/src/core/chatnet-rec.h
@@ -9,4 +9,4 @@ char *realname;
char *own_host; /* address to use when connecting this server */
char *autosendcmd; /* command to send after connecting to this ircnet */
-IPADDR *own_ip; /* resolved own_address if not NULL */
+IPADDR *own_ip4, *own_ip6; /* resolved own_address if not NULL */
diff --git a/src/core/net-nonblock.c b/src/core/net-nonblock.c
index c6d512f6..7392f429 100644
--- a/src/core/net-nonblock.c
+++ b/src/core/net-nonblock.c
@@ -73,7 +73,7 @@ static int g_io_channel_read_block(GIOChannel *channel, void *data, int len)
/* nonblocking gethostbyname(), ip (IPADDR) + error (int, 0 = not error) is
written to pipe when found PID of the resolver child is returned */
-int net_gethostbyname_nonblock(const char *addr, GIOChannel *pipe, int family)
+int net_gethostbyname_nonblock(const char *addr, GIOChannel *pipe)
{
RESOLVED_IP_REC rec;
const char *errorstr;
@@ -100,7 +100,7 @@ int net_gethostbyname_nonblock(const char *addr, GIOChannel *pipe, int family)
/* child */
memset(&rec, 0, sizeof(rec));
- rec.error = net_gethostbyname(addr, &rec.ip, family);
+ rec.error = net_gethostbyname(addr, &rec.ip4, &rec.ip6);
if (rec.error == 0) {
errorstr = NULL;
} else {
@@ -186,6 +186,7 @@ static void simple_readpipe(SIMPLE_THREAD_REC *rec, GIOChannel *pipe)
{
RESOLVED_IP_REC iprec;
GIOChannel *handle;
+ IPADDR *ip;
g_return_if_fail(rec != NULL);
@@ -199,8 +200,9 @@ static void simple_readpipe(SIMPLE_THREAD_REC *rec, GIOChannel *pipe)
g_io_channel_close(rec->pipes[1]);
g_io_channel_unref(rec->pipes[1]);
+ ip = iprec.ip4.family != 0 ? &iprec.ip4 : &iprec.ip6;
handle = iprec.error == -1 ? NULL :
- net_connect_ip(&iprec.ip, rec->port, rec->my_ip);
+ net_connect_ip(ip, rec->port, rec->my_ip);
g_free_not_null(rec->my_ip);
@@ -242,8 +244,7 @@ int net_connect_nonblock(const char *server, int port, const IPADDR *my_ip,
rec->pipes[1] = g_io_channel_unix_new(fd[1]);
/* start nonblocking host name lookup */
- net_gethostbyname_nonblock(server, rec->pipes[1],
- my_ip == NULL ? 0 : my_ip->family);
+ net_gethostbyname_nonblock(server, rec->pipes[1]);
rec->tag = g_input_add(rec->pipes[0], G_INPUT_READ,
(GInputFunction) simple_readpipe, rec);
diff --git a/src/core/net-nonblock.h b/src/core/net-nonblock.h
index 7ee85823..a0e5cddf 100644
--- a/src/core/net-nonblock.h
+++ b/src/core/net-nonblock.h
@@ -4,7 +4,7 @@
#include "network.h"
typedef struct {
- IPADDR ip; /* resolved ip addres */
+ IPADDR ip4, ip6; /* resolved ip addresses */
int error; /* error, 0 = no error, -1 = error: */
int errlen; /* error text length */
char *errorstr; /* error string - dynamically allocated, you'll
@@ -24,7 +24,7 @@ typedef void (*NET_CALLBACK) (GIOChannel *, void *);
typedef void (*NET_HOST_CALLBACK) (RESOLVED_NAME_REC *, void *);
/* nonblocking gethostbyname(), PID of the resolver child is returned. */
-int net_gethostbyname_nonblock(const char *addr, GIOChannel *pipe, int family);
+int net_gethostbyname_nonblock(const char *addr, GIOChannel *pipe);
/* Get host's name, call func when finished */
int net_gethostbyaddr_nonblock(IPADDR *ip, NET_HOST_CALLBACK func, void *data);
/* get the resolved IP address. returns -1 if some error occured with read() */
diff --git a/src/core/network.c b/src/core/network.c
index 274ad06f..b9bf8f3f 100644
--- a/src/core/network.c
+++ b/src/core/network.c
@@ -47,8 +47,6 @@ union sockaddr_union {
# define g_io_channel_new(handle) g_io_channel_unix_new(handle)
#endif
-static unsigned short default_family = 0;
-
/* Cygwin need this, don't know others.. */
/*#define BLOCKING_SOCKETS 1*/
@@ -138,16 +136,37 @@ int sin_get_port(union sockaddr_union *so)
/* Connect to socket */
GIOChannel *net_connect(const char *addr, int port, IPADDR *my_ip)
{
- IPADDR ip;
+ IPADDR ip4, ip6, *ip;
int family;
g_return_val_if_fail(addr != NULL, NULL);
family = my_ip == NULL ? 0 : my_ip->family;
- if (net_gethostbyname(addr, &ip, family) == -1)
+ if (net_gethostbyname(addr, &ip4, &ip6) == -1)
return NULL;
- return net_connect_ip(&ip, port, my_ip);
+ if (my_ip == NULL) {
+ /* prefer IPv4 addresses */
+ ip = ip4.family != 0 ? &ip4 : &ip6;
+ } else if (IPADDR_IS_V6(my_ip)) {
+ /* my_ip is IPv6 address, use it if possible */
+ if (ip6.family != 0)
+ ip = &ip6;
+ else {
+ my_ip = NULL;
+ ip = &ip4;
+ }
+ } else {
+ /* my_ip is IPv4 address, use it if possible */
+ if (ip4.family != 0)
+ ip = &ip4;
+ else {
+ my_ip = NULL;
+ ip = &ip6;
+ }
+ }
+
+ return net_connect_ip(ip, port, my_ip);
}
/* Connect to socket with ip address */
@@ -156,6 +175,11 @@ GIOChannel *net_connect_ip(IPADDR *ip, int port, IPADDR *my_ip)
union sockaddr_union so;
int handle, ret, opt = 1;
+ if (my_ip != NULL && ip->family != my_ip->family) {
+ g_warning("net_connect_ip(): ip->family != my_ip->family");
+ my_ip = NULL;
+ }
+
/* create the socket */
memset(&so, 0, sizeof(so));
so.sin.sin_family = ip->family;
@@ -334,28 +358,28 @@ int net_getsockname(GIOChannel *handle, IPADDR *addr, int *port)
return 0;
}
-/* Get IP address for host. family specifies if we should prefer to
- IPv4 or IPv6 address (0 = default, AF_INET or AF_INET6).
- returns 0 = ok, others = error code for net_gethosterror() */
-int net_gethostbyname(const char *addr, IPADDR *ip, int family)
+/* Get IP addresses for host, both IPv4 and IPv6 if possible.
+ If ip->family is 0, the address wasn't found.
+ Returns 0 = ok, others = error code for net_gethosterror() */
+int net_gethostbyname(const char *addr, IPADDR *ip4, IPADDR *ip6)
{
#ifdef HAVE_IPV6
union sockaddr_union *so;
- struct addrinfo hints, *ai;
+ struct addrinfo hints, *ai, *origai;
char hbuf[NI_MAXHOST];
- int host_error;
+ int host_error, count;
#else
struct hostent *hp;
#endif
g_return_val_if_fail(addr != NULL, -1);
-#ifdef HAVE_IPV6
- memset(ip, 0, sizeof(IPADDR));
+ memset(ip4, 0, sizeof(IPADDR));
+ memset(ip6, 0, sizeof(IPADDR));
+#ifdef HAVE_IPV6
memset(&hints, 0, sizeof(struct addrinfo));
hints.ai_socktype = SOCK_STREAM;
- hints.ai_family = family != 0 ? family : default_family;
/* save error to host_error for later use */
host_error = getaddrinfo(addr, NULL, &hints, &ai);
@@ -366,27 +390,31 @@ int net_gethostbyname(const char *addr, IPADDR *ip, int family)
sizeof(hbuf), NULL, 0, NI_NUMERICHOST))
return 1;
- so = (union sockaddr_union *) ai->ai_addr;
- sin_get_ip(so, ip);
- freeaddrinfo(ai);
+ origai = ai; count = 0;
+ while (ai != NULL && count < 2) {
+ so = (union sockaddr_union *) ai->ai_addr;
+
+ if (ai->ai_family == AF_INET6 && ip6->family == 0) {
+ sin_get_ip(so, ip6);
+ count++;
+ } else if (ai->ai_family == AF_INET && ip4->family == 0) {
+ sin_get_ip(so, ip4);
+ count++;
+ }
+ ai = ai->ai_next;
+ }
+ freeaddrinfo(origai);
#else
hp = gethostbyname(addr);
if (hp == NULL) return h_errno;
- ip->family = AF_INET;
- memcpy(&ip->addr, hp->h_addr, 4);
+ ip4->family = AF_INET;
+ memcpy(&ip4->addr, hp->h_addr, 4);
#endif
return 0;
}
-/* Set the default address family to use with host resolving
- (AF_INET or AF_INET6) */
-void net_host_resolver_set_default_family(unsigned short family)
-{
- default_family = family;
-}
-
/* Get name for host, *name should be g_free()'d unless it's NULL.
Return values are the same as with net_gethostbyname() */
int net_gethostbyaddr(IPADDR *ip, char **name)
diff --git a/src/core/network.h b/src/core/network.h
index d8d1f9b7..f414beff 100644
--- a/src/core/network.h
+++ b/src/core/network.h
@@ -33,7 +33,7 @@ struct _IPADDR {
# define MAX_IP_LEN 20
#endif
-#define is_ipv6_addr(ip) ((ip)->family != AF_INET)
+#define IPADDR_IS_V6(ip) ((ip)->family != AF_INET)
/* returns 1 if IPADDRs are the same */
int net_ip_compare(IPADDR *ip1, IPADDR *ip2);
@@ -58,13 +58,10 @@ int net_receive(GIOChannel *handle, char *buf, int len);
/* Transmit data, return number of bytes sent, -1 = error */
int net_transmit(GIOChannel *handle, const char *data, int len);
-/* Get IP address for host. family specifies if we should prefer to
- IPv4 or IPv6 address (0 = default, AF_INET or AF_INET6).
- returns 0 = ok, others = error code for net_gethosterror() */
-int net_gethostbyname(const char *addr, IPADDR *ip, int family);
-/* Set the default address family to use with host resolving
- (AF_INET or AF_INET6) */
-void net_host_resolver_set_default_family(unsigned short family);
+/* Get IP addresses for host, both IPv4 and IPv6 if possible.
+ If ip->family is 0, the address wasn't found.
+ Returns 0 = ok, others = error code for net_gethosterror() */
+int net_gethostbyname(const char *addr, IPADDR *ip4, IPADDR *ip6);
/* Get name for host, *name should be g_free()'d unless it's NULL.
Return values are the same as with net_gethostbyname() */
int net_gethostbyaddr(IPADDR *ip, char **name);
diff --git a/src/core/server-connect-rec.h b/src/core/server-connect-rec.h
index 90b2ed7c..0186f964 100644
--- a/src/core/server-connect-rec.h
+++ b/src/core/server-connect-rec.h
@@ -13,7 +13,7 @@ char *address;
int port;
char *chatnet;
-IPADDR *own_ip;
+IPADDR *own_ip4, *own_ip6;
char *password;
char *nick;
diff --git a/src/core/server-setup-rec.h b/src/core/server-setup-rec.h
index 8fa774ed..b528e570 100644
--- a/src/core/server-setup-rec.h
+++ b/src/core/server-setup-rec.h
@@ -9,7 +9,7 @@ int port;
char *password;
char *own_host; /* address to use when connecting this server */
-IPADDR *own_ip; /* resolved own_address if not NULL */
+IPADDR *own_ip4, *own_ip6; /* resolved own_address if not NULL */
time_t last_connect; /* to avoid reconnecting too fast.. */
diff --git a/src/core/servers-reconnect.c b/src/core/servers-reconnect.c
index 147f6436..3f51bfda 100644
--- a/src/core/servers-reconnect.c
+++ b/src/core/servers-reconnect.c
@@ -142,9 +142,13 @@ server_connect_copy_skeleton(SERVER_CONNECT_REC *src, int connect_info)
dest->username = g_strdup(src->username);
dest->realname = g_strdup(src->realname);
- if (src->own_ip != NULL) {
- dest->own_ip = g_new(IPADDR, 1);
- memcpy(dest->own_ip, src->own_ip, sizeof(IPADDR));
+ if (src->own_ip4 != NULL) {
+ dest->own_ip4 = g_new(IPADDR, 1);
+ memcpy(dest->own_ip4, src->own_ip4, sizeof(IPADDR));
+ }
+ if (src->own_ip6 != NULL) {
+ dest->own_ip6 = g_new(IPADDR, 1);
+ memcpy(dest->own_ip6, src->own_ip6, sizeof(IPADDR));
}
dest->channels = g_strdup(src->channels);
diff --git a/src/core/servers-setup.c b/src/core/servers-setup.c
index 46d7f64a..39f9be74 100644
--- a/src/core/servers-setup.c
+++ b/src/core/servers-setup.c
@@ -33,48 +33,61 @@ GSList *setupservers;
char *old_source_host;
int source_host_ok; /* Use source_host_ip .. */
-IPADDR *source_host_ip; /* Resolved address */
+IPADDR *source_host_ip4, *source_host_ip6; /* Resolved address */
+
+static void save_ips(IPADDR *ip4, IPADDR *ip6,
+ IPADDR **save_ip4, IPADDR **save_ip6)
+{
+ if (ip4->family == 0)
+ g_free_and_null(*save_ip4);
+ else {
+ if (*save_ip4 == NULL)
+ *save_ip4 = g_new(IPADDR, 1);
+ memcpy(*save_ip4, &ip4, sizeof(IPADDR));
+ }
+
+ if (ip6->family == 0)
+ g_free_and_null(*save_ip6);
+ else {
+ if (*save_ip6 == NULL)
+ *save_ip6 = g_new(IPADDR, 1);
+ memcpy(*save_ip6, &ip6, sizeof(IPADDR));
+ }
+}
static void get_source_host_ip(void)
{
- IPADDR ip;
+ const char *hostname;
+ IPADDR ip4, ip6;
if (source_host_ok)
return;
/* FIXME: This will block! */
- source_host_ok = *settings_get_str("hostname") != '\0' &&
- net_gethostbyname(settings_get_str("hostname"), &ip, 0) == 0;
- if (source_host_ok) {
- if (source_host_ip == NULL)
- source_host_ip = g_new(IPADDR, 1);
- memcpy(source_host_ip, &ip, sizeof(IPADDR));
+ hostname = settings_get_str("hostname");
+ source_host_ok = *hostname != '\0' &&
+ net_gethostbyname(hostname, &ip4, &ip6) == 0;
+
+ if (source_host_ok)
+ save_ips(&ip4, &ip6, &source_host_ip4, &source_host_ip6);
+ else {
+ g_free_and_null(source_host_ip4);
+ g_free_and_null(source_host_ip6);
}
}
-static void conn_set_ip(SERVER_CONNECT_REC *conn,
- IPADDR **own_ip, const char *own_host)
+static void conn_set_ip(SERVER_CONNECT_REC *conn, const char *own_host,
+ IPADDR **own_ip4, IPADDR **own_ip6)
{
- IPADDR ip;
+ IPADDR ip4, ip6;
- if (*own_ip != NULL) {
- /* use already resolved IP */
- if (conn->own_ip == NULL)
- conn->own_ip = g_new(IPADDR, 1);
- memcpy(conn->own_ip, *own_ip, sizeof(IPADDR));
- return;
+ if (*own_ip4 == NULL && *own_ip6 == NULL) {
+ /* resolve the IP */
+ if (net_gethostbyname(own_host, &ip4, &ip6) == 0)
+ save_ips(&ip4, &ip6, own_ip4, own_ip6);
}
-
- /* resolve the IP and use it */
- if (net_gethostbyname(own_host, &ip, conn->family) == 0) {
- if (conn->own_ip == NULL)
- conn->own_ip = g_new(IPADDR, 1);
- memcpy(conn->own_ip, &ip, sizeof(IPADDR));
-
- *own_ip = g_new(IPADDR, 1);
- memcpy(*own_ip, &ip, sizeof(IPADDR));
- }
+ server_connect_own_ip_save(conn, *own_ip4, *own_ip6);
}
/* Fill information to connection from server setup record */
@@ -84,8 +97,10 @@ void server_setup_fill_reconn(SERVER_CONNECT_REC *conn,
g_return_if_fail(IS_SERVER_CONNECT(conn));
g_return_if_fail(IS_SERVER_SETUP(sserver));
- if (sserver->own_host != NULL)
- conn_set_ip(conn, &sserver->own_ip, sserver->own_host);
+ if (sserver->own_host != NULL) {
+ conn_set_ip(conn, sserver->own_host,
+ &sserver->own_ip4, &sserver->own_ip6);
+ }
if (sserver->chatnet != NULL && conn->chatnet == NULL)
conn->chatnet = g_strdup(sserver->chatnet);
@@ -119,10 +134,13 @@ static void server_setup_fill(SERVER_CONNECT_REC *conn,
}
/* source IP */
- get_source_host_ip();
- if (source_host_ok) {
- conn->own_ip = g_new(IPADDR, 1);
- memcpy(conn->own_ip, source_host_ip, sizeof(IPADDR));
+ if (source_host_ip4 != NULL) {
+ conn->own_ip4 = g_new(IPADDR, 1);
+ memcpy(conn->own_ip4, source_host_ip4, sizeof(IPADDR));
+ }
+ if (source_host_ip6 != NULL) {
+ conn->own_ip6 = g_new(IPADDR, 1);
+ memcpy(conn->own_ip6, source_host_ip6, sizeof(IPADDR));
}
}
@@ -161,8 +179,10 @@ static void server_setup_fill_chatnet(SERVER_CONNECT_REC *conn,
g_free(conn->realname);
conn->realname = g_strdup(chatnet->realname);;
}
- if (chatnet->own_host != NULL)
- conn_set_ip(conn, &chatnet->own_ip, chatnet->own_host);
+ if (chatnet->own_host != NULL) {
+ conn_set_ip(conn, chatnet->own_host,
+ &chatnet->own_ip4, &chatnet->own_ip6);
+ }
signal_emit("server setup fill chatnet", 2, conn, chatnet);
}
@@ -414,7 +434,8 @@ static void server_setup_destroy(SERVER_SETUP_REC *rec)
signal_emit("server setup destroyed", 1, rec);
g_free_not_null(rec->own_host);
- g_free_not_null(rec->own_ip);
+ g_free_not_null(rec->own_ip4);
+ g_free_not_null(rec->own_ip6);
g_free_not_null(rec->chatnet);
g_free_not_null(rec->password);
g_free(rec->address);
@@ -453,17 +474,11 @@ static void read_servers(void)
static void read_settings(void)
{
- unsigned short family;
-
- family = settings_get_bool("resolve_prefer_ipv6") ? AF_INET6 : AF_INET;
- net_host_resolver_set_default_family(family);
-
if (old_source_host == NULL ||
strcmp(old_source_host, settings_get_str("hostname")) != 0) {
g_free_not_null(old_source_host);
old_source_host = g_strdup(settings_get_str("hostname"));
- g_free_and_null(source_host_ip);
source_host_ok = FALSE;
get_source_host_ip();
}
@@ -472,7 +487,6 @@ static void read_settings(void)
void servers_setup_init(void)
{
settings_add_str("server", "hostname", "");
- settings_add_bool("server", "resolve_prefer_ipv6", FALSE);
settings_add_str("server", "nick", NULL);
settings_add_str("server", "user_name", NULL);
@@ -484,7 +498,7 @@ void servers_setup_init(void)
settings_add_str("proxy", "proxy_string", "CONNECT %s %d");
setupservers = NULL;
- source_host_ip = NULL;
+ source_host_ip4 = source_host_ip6 = NULL;
old_source_host = NULL;
read_settings();
@@ -495,7 +509,8 @@ void servers_setup_init(void)
void servers_setup_deinit(void)
{
- g_free_not_null(source_host_ip);
+ g_free_not_null(source_host_ip4);
+ g_free_not_null(source_host_ip6);
g_free_not_null(old_source_host);
while (setupservers != NULL)
diff --git a/src/core/servers-setup.h b/src/core/servers-setup.h
index 9e0c7b8d..d1a8bdd9 100644
--- a/src/core/servers-setup.h
+++ b/src/core/servers-setup.h
@@ -16,7 +16,7 @@ struct _SERVER_SETUP_REC {
extern GSList *setupservers;
-extern IPADDR *source_host_ip; /* Resolved address */
+extern IPADDR *source_host_ip4, *source_host_ip6; /* Resolved address */
extern int source_host_ok; /* Use source_host_ip .. */
/* Fill reconnection specific information to connection
diff --git a/src/core/servers.c b/src/core/servers.c
index da16d648..ae998800 100644
--- a/src/core/servers.c
+++ b/src/core/servers.c
@@ -26,6 +26,7 @@
#include "net-sendbuffer.h"
#include "misc.h"
#include "rawlog.h"
+#include "settings.h"
#include "servers.h"
#include "servers-reconnect.h"
@@ -154,8 +155,10 @@ static void server_connect_callback_readpipe(SERVER_REC *server)
{
SERVER_CONNECT_REC *conn;
RESOLVED_IP_REC iprec;
- const char *errormsg;
GIOChannel *handle;
+ IPADDR *ip, *own_ip;
+ const char *errormsg;
+ int port;
g_return_if_fail(IS_SERVER(server));
@@ -172,14 +175,23 @@ static void server_connect_callback_readpipe(SERVER_REC *server)
server->connect_pipe[0] = NULL;
server->connect_pipe[1] = NULL;
- if (iprec.error == 0)
- signal_emit("server connecting", 2, server, &iprec.ip);
+ /* figure out if we should use IPv4 or v6 address */
+ ip = iprec.error != 0 ? NULL : iprec.ip6.family == 0 ||
+ server->connrec->family == AF_INET ?
+ &iprec.ip4 : &iprec.ip6;
+ if (iprec.ip4.family != 0 && server->connrec->family == 0 &&
+ !settings_get_bool("resolve_prefer_ipv6"))
+ ip = &iprec.ip4;
+
+ conn = server->connrec;
+ port = conn->proxy != NULL ? conn->proxy_port : conn->port;
+ own_ip = ip == NULL ? NULL :
+ (IPADDR_IS_V6(ip) ? conn->own_ip6 : conn->own_ip4);
- conn = server->connrec;
- handle = iprec.error != 0 ? NULL :
- net_connect_ip(&iprec.ip, conn->proxy != NULL ?
- conn->proxy_port : conn->port,
- conn->own_ip != NULL ? conn->own_ip : NULL);
+ if (ip != NULL)
+ signal_emit("server connecting", 2, server, ip);
+
+ handle = ip == NULL ? NULL : net_connect_ip(ip, port, own_ip);
if (handle == NULL) {
/* failed */
if (iprec.error == 0 || !net_hosterror_notfound(iprec.error)) {
@@ -259,15 +271,11 @@ int server_start_connect(SERVER_REC *server)
server->connect_pipe[0] = g_io_channel_unix_new(fd[0]);
server->connect_pipe[1] = g_io_channel_unix_new(fd[1]);
- if (server->connrec->family == 0 && server->connrec->own_ip != NULL)
- server->connrec->family = server->connrec->own_ip->family;
-
connect_address = server->connrec->proxy != NULL ?
server->connrec->proxy : server->connrec->address;
server->connect_pid =
net_gethostbyname_nonblock(connect_address,
- server->connect_pipe[1],
- server->connrec->family);
+ server->connect_pipe[1]);
server->connect_tag =
g_input_add(server->connect_pipe[0], G_INPUT_READ,
(GInputFunction) server_connect_callback_readpipe,
@@ -405,7 +413,8 @@ void server_connect_free(SERVER_CONNECT_REC *conn)
g_free_not_null(conn->address);
g_free_not_null(conn->chatnet);
- g_free_not_null(conn->own_ip);
+ g_free_not_null(conn->own_ip4);
+ g_free_not_null(conn->own_ip6);
g_free_not_null(conn->password);
g_free_not_null(conn->nick);
@@ -417,6 +426,30 @@ void server_connect_free(SERVER_CONNECT_REC *conn)
g_free(conn);
}
+/* Update own IPv4 and IPv6 records */
+void server_connect_own_ip_save(SERVER_CONNECT_REC *conn,
+ IPADDR *ip4, IPADDR *ip6)
+{
+ if (ip4 == NULL || ip4->family == 0)
+ g_free_and_null(conn->own_ip4);
+ if (ip6 == NULL || ip6->family == 0)
+ g_free_and_null(conn->own_ip6);
+
+ if (ip4 != NULL && ip4->family != 0) {
+ /* IPv4 address was found */
+ if (conn->own_ip4 != NULL)
+ conn->own_ip4 = g_new0(IPADDR, 1);
+ memcpy(conn->own_ip4, ip4, sizeof(IPADDR));
+ }
+
+ if (ip6 != NULL && ip6->family != 0) {
+ /* IPv6 address was found */
+ if (conn->own_ip6 != NULL)
+ conn->own_ip6 = g_new0(IPADDR, 1);
+ memcpy(conn->own_ip6, ip6, sizeof(IPADDR));
+ }
+}
+
/* `optlist' should contain only one unknown key - the server tag.
returns NULL if there was unknown -option */
SERVER_REC *cmd_options_get_server(const char *cmd,
@@ -459,6 +492,7 @@ SERVER_REC *cmd_options_get_server(const char *cmd,
void servers_init(void)
{
+ settings_add_bool("server", "resolve_prefer_ipv6", FALSE);
lookup_servers = servers = NULL;
servers_reconnect_init();
diff --git a/src/core/servers.h b/src/core/servers.h
index 7a88af2c..86b6a9e7 100644
--- a/src/core/servers.h
+++ b/src/core/servers.h
@@ -50,6 +50,10 @@ void server_connect_finished(SERVER_REC *server);
/* connection to server failed */
void server_connect_failed(SERVER_REC *server, const char *msg);
+/* Update own IPv4 and IPv6 records */
+void server_connect_own_ip_save(SERVER_CONNECT_REC *conn,
+ IPADDR *ip4, IPADDR *ip6);
+
/* `optlist' should contain only one unknown key - the server tag.
returns NULL if there was unknown -option */
SERVER_REC *cmd_options_get_server(const char *cmd,
diff --git a/src/fe-common/core/fe-server.c b/src/fe-common/core/fe-server.c
index eba6dcf1..f2327c59 100644
--- a/src/fe-common/core/fe-server.c
+++ b/src/fe-common/core/fe-server.c
@@ -135,7 +135,7 @@ static void cmd_server_add(const char *data)
if (*password != '\0') g_free_and_null(rec->password);
if (g_hash_table_lookup(optlist, "host")) {
g_free_and_null(rec->own_host);
- rec->own_ip = NULL;
+ rec->own_ip4 = rec->own_ip6 = NULL;
}
}
@@ -151,7 +151,7 @@ static void cmd_server_add(const char *data)
value = g_hash_table_lookup(optlist, "host");
if (value != NULL && *value != '\0') {
rec->own_host = g_strdup(value);
- rec->own_ip = NULL;
+ rec->own_ip4 = rec->own_ip6 = NULL;
}
signal_emit("server add fill", 2, rec, optlist);
diff --git a/src/fe-common/irc/fe-ircnet.c b/src/fe-common/irc/fe-ircnet.c
index 96092869..54a1b6da 100644
--- a/src/fe-common/irc/fe-ircnet.c
+++ b/src/fe-common/irc/fe-ircnet.c
@@ -106,7 +106,7 @@ static void cmd_ircnet_add(const char *data)
if (g_hash_table_lookup(optlist, "realname")) g_free_and_null(rec->realname);
if (g_hash_table_lookup(optlist, "host")) {
g_free_and_null(rec->own_host);
- rec->own_ip = NULL;
+ rec->own_ip4 = rec->own_ip6 = NULL;
}
if (g_hash_table_lookup(optlist, "autosendcmd")) g_free_and_null(rec->autosendcmd);
}
@@ -137,7 +137,7 @@ static void cmd_ircnet_add(const char *data)
value = g_hash_table_lookup(optlist, "host");
if (value != NULL && *value != '\0') {
rec->own_host = g_strdup(value);
- rec->own_ip = NULL;
+ rec->own_ip4 = rec->own_ip6 = NULL;
}
value = g_hash_table_lookup(optlist, "autosendcmd");
diff --git a/src/irc/dcc/dcc-chat.c b/src/irc/dcc/dcc-chat.c
index c2b05595..2e45c2fc 100644
--- a/src/irc/dcc/dcc-chat.c
+++ b/src/irc/dcc/dcc-chat.c
@@ -362,6 +362,8 @@ static void sig_chat_connected(CHAT_DCC_REC *dcc)
static void dcc_chat_connect(CHAT_DCC_REC *dcc)
{
+ IPADDR *own_ip;
+
g_return_if_fail(IS_DCC_CHAT(dcc));
if (dcc->addrstr[0] == '\0' ||
@@ -370,8 +372,8 @@ static void dcc_chat_connect(CHAT_DCC_REC *dcc)
return;
}
- dcc->handle = net_connect_ip(&dcc->addr, dcc->port,
- source_host_ok ? source_host_ip : NULL);
+ own_ip = IPADDR_IS_V6(&dcc->addr) ? source_host_ip6 : source_host_ip4;
+ dcc->handle = net_connect_ip(&dcc->addr, dcc->port, own_ip);
if (dcc->handle != NULL) {
dcc->tagconn = g_input_add(dcc->handle,
G_INPUT_WRITE | G_INPUT_READ,
diff --git a/src/irc/dcc/dcc-get.c b/src/irc/dcc/dcc-get.c
index df51c837..27f795dc 100644
--- a/src/irc/dcc/dcc-get.c
+++ b/src/irc/dcc/dcc-get.c
@@ -212,14 +212,15 @@ static void sig_dccget_connected(GET_DCC_REC *dcc)
void dcc_get_connect(GET_DCC_REC *dcc)
{
+ IPADDR *own_ip;
+
if (dcc->get_type == DCC_GET_DEFAULT) {
dcc->get_type = settings_get_bool("dcc_autorename") ?
DCC_GET_RENAME : DCC_GET_OVERWRITE;
}
-
- dcc->handle = net_connect_ip(&dcc->addr, dcc->port,
- source_host_ok ? source_host_ip : NULL);
+ own_ip = IPADDR_IS_V6(&dcc->addr) ? source_host_ip6 : source_host_ip4;
+ dcc->handle = net_connect_ip(&dcc->addr, dcc->port, own_ip);
if (dcc->handle != NULL) {
dcc->tagconn =
g_input_add(dcc->handle,
diff --git a/src/irc/dcc/dcc.c b/src/irc/dcc/dcc.c
index 326d922d..9bfbdd1b 100644
--- a/src/irc/dcc/dcc.c
+++ b/src/irc/dcc/dcc.c
@@ -154,7 +154,7 @@ void dcc_ip2str(IPADDR *ip, char *host)
{
unsigned long addr;
- if (is_ipv6_addr(ip)) {
+ if (IPADDR_IS_V6(ip)) {
/* IPv6 */
net_ip2host(ip, host);
} else {
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-23 06:12:26 +0000