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Add options to force IP version for client DNS traffic

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This commit is contained in:
Erik Ekman
2014-02-10 22:50:58 +01:00
parent b827a632ad
commit 619ede5da8
3 changed files with 24 additions and 8 deletions
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12
src/iodine.c
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@@ -137,6 +137,7 @@ main(int argc, char **argv)
int rtable = 0;
struct sockaddr_storage nameservaddr;
int nameservaddr_len;
int nameserv_family;
nameserv_host = NULL;
topdomain = NULL;
@@ -159,6 +160,7 @@ main(int argc, char **argv)
lazymode = 1;
selecttimeout = 4;
hostname_maxlen = 0xFF;
nameserv_family = AF_UNSPEC;
#ifdef WINDOWS32
WSAStartup(req_version, &wsa_data);
@@ -175,8 +177,14 @@ main(int argc, char **argv)
__progname++;
#endif
while ((choice = getopt(argc, argv, "vfhru:t:d:R:P:m:M:F:T:O:L:I:")) != -1) {
while ((choice = getopt(argc, argv, "46vfhru:t:d:R:P:m:M:F:T:O:L:I:")) != -1) {
switch(choice) {
case '4':
nameserv_family = AF_INET;
break;
case '6':
nameserv_family = AF_INET6;
break;
case 'v':
version();
/* NOTREACHED */
@@ -279,7 +287,7 @@ main(int argc, char **argv)
}
if (nameserv_host) {
nameservaddr_len = get_addr(nameserv_host, DNS_PORT, AF_UNSPEC, 0, &nameservaddr);
nameservaddr_len = get_addr(nameserv_host, DNS_PORT, nameserv_family, 0, &nameservaddr);
if (nameservaddr_len < 0) {
errx(1, "Cannot lookup nameserver '%s': %s ",
nameserv_host, gai_strerror(nameservaddr_len));