X-Git-Url: http://git.silcnet.org/gitweb/?p=silc.git;a=blobdiff_plain;f=apps%2Firssi%2Fsrc%2Fcore%2Fnet-nonblock.c;h=ce6be49af5dc679eebc8d16fc1f61fd1eac3d7bd;hp=6af87a96fac464da4be0e2bff820605772ea01d4;hb=382d15d447b7a95390decfa783836ae4fe255b3d;hpb=3cf38201f9ffaad2da53757ed48a5546e1d03636 diff --git a/apps/irssi/src/core/net-nonblock.c b/apps/irssi/src/core/net-nonblock.c index 6af87a96..ce6be49a 100644 --- a/apps/irssi/src/core/net-nonblock.c +++ b/apps/irssi/src/core/net-nonblock.c @@ -73,13 +73,15 @@ 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 net_gethostbyname_nonblock(const char *addr, GIOChannel *pipe, + int reverse_lookup) { RESOLVED_IP_REC rec; const char *errorstr; #ifndef WIN32 int pid; #endif + int len; g_return_val_if_fail(addr != NULL, FALSE); @@ -103,6 +105,13 @@ int net_gethostbyname_nonblock(const char *addr, GIOChannel *pipe) rec.error = net_gethostbyname(addr, &rec.ip4, &rec.ip6); if (rec.error == 0) { errorstr = NULL; + if (reverse_lookup) { + /* reverse lookup the IP, ignore any error */ + if (rec.ip4.family != 0) + net_gethostbyaddr(&rec.ip4, &rec.host4); + if (rec.ip6.family != 0) + net_gethostbyaddr(&rec.ip6, &rec.host6); + } } else { errorstr = net_gethosterror(rec.error); rec.errlen = errorstr == NULL ? 0 : strlen(errorstr)+1; @@ -111,6 +120,22 @@ int net_gethostbyname_nonblock(const char *addr, GIOChannel *pipe) g_io_channel_write_block(pipe, &rec, sizeof(rec)); if (rec.errlen != 0) g_io_channel_write_block(pipe, (void *) errorstr, rec.errlen); + else { + if (rec.host4) { + len = strlen(rec.host4) + 1; + g_io_channel_write_block(pipe, (void *) &len, + sizeof(int)); + g_io_channel_write_block(pipe, (void *) rec.host4, + len); + } + if (rec.host6) { + len = strlen(rec.host6) + 1; + g_io_channel_write_block(pipe, (void *) &len, + sizeof(int)); + g_io_channel_write_block(pipe, (void *) rec.host6, + len); + } + } #ifndef WIN32 if (pid == 0) @@ -124,8 +149,12 @@ int net_gethostbyname_nonblock(const char *addr, GIOChannel *pipe) /* get the resolved IP address */ int net_gethostbyname_return(GIOChannel *pipe, RESOLVED_IP_REC *rec) { + int len; + rec->error = -1; rec->errorstr = NULL; + rec->host4 = NULL; + rec->host6 = NULL; #ifndef WIN32 fcntl(g_io_channel_unix_get_fd(pipe), F_SETFL, O_NONBLOCK); @@ -143,6 +172,17 @@ int net_gethostbyname_return(GIOChannel *pipe, RESOLVED_IP_REC *rec) reason, just ignore it. */ rec->errorstr = g_malloc0(rec->errlen+1); g_io_channel_read_block(pipe, rec->errorstr, rec->errlen); + } else { + if (rec->host4) { + g_io_channel_read_block(pipe, &len, sizeof(int)); + rec->host4 = g_malloc0(len); + g_io_channel_read_block(pipe, rec->host4, len); + } + if (rec->host6) { + g_io_channel_read_block(pipe, &len, sizeof(int)); + rec->host6 = g_malloc0(len); + g_io_channel_read_block(pipe, rec->host6, len); + } } return 0; @@ -244,7 +284,7 @@ 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]); + net_gethostbyname_nonblock(server, rec->pipes[1], 0); rec->tag = g_input_add(rec->pipes[0], G_INPUT_READ, (GInputFunction) simple_readpipe, rec);