* [Qemu-devel] [PATCH 1/4] slirp: Split get_dns_addr
2016-03-20 15:26 [Qemu-devel] [PATCH 0/4] slirp: Add dns6 support Samuel Thibault
@ 2016-03-20 15:26 ` Samuel Thibault
2016-03-20 15:26 ` [Qemu-devel] [PATCH 2/4] slirp: Add dns6 resolution Samuel Thibault
` (3 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: Samuel Thibault @ 2016-03-20 15:26 UTC (permalink / raw)
To: qemu-devel, thuth; +Cc: Samuel Thibault, jan.kiszka
Separate get_dns_addr into get_dns_addr_cached and get_dns_addr_resolv_conf
to make conversion to IPv6 easier.
Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
---
slirp/slirp.c | 53 ++++++++++++++++++++++++++++++++++-------------------
1 file changed, 34 insertions(+), 19 deletions(-)
diff --git a/slirp/slirp.c b/slirp/slirp.c
index e4a32ae..36534fc 100644
--- a/slirp/slirp.c
+++ b/slirp/slirp.c
@@ -108,7 +108,28 @@ static void winsock_cleanup(void)
static struct stat dns_addr_stat;
-int get_dns_addr(struct in_addr *pdns_addr)
+static int get_dns_addr_cached(struct in_addr *pdns_addr)
+{
+ struct stat old_stat;
+ if ((curtime - dns_addr_time) < TIMEOUT_DEFAULT) {
+ *pdns_addr = dns_addr;
+ return 0;
+ }
+ old_stat = dns_addr_stat;
+ if (stat("/etc/resolv.conf", &dns_addr_stat) != 0) {
+ return -1;
+ }
+ if ((dns_addr_stat.st_dev == old_stat.st_dev)
+ && (dns_addr_stat.st_ino == old_stat.st_ino)
+ && (dns_addr_stat.st_size == old_stat.st_size)
+ && (dns_addr_stat.st_mtime == old_stat.st_mtime)) {
+ *pdns_addr = dns_addr;
+ return 0;
+ }
+ return 1;
+}
+
+static int get_dns_addr_resolv_conf(struct in_addr *pdns_addr)
{
char buff[512];
char buff2[257];
@@ -116,24 +137,6 @@ int get_dns_addr(struct in_addr *pdns_addr)
int found = 0;
struct in_addr tmp_addr;
- if (dns_addr.s_addr != 0) {
- struct stat old_stat;
- if ((curtime - dns_addr_time) < TIMEOUT_DEFAULT) {
- *pdns_addr = dns_addr;
- return 0;
- }
- old_stat = dns_addr_stat;
- if (stat("/etc/resolv.conf", &dns_addr_stat) != 0)
- return -1;
- if ((dns_addr_stat.st_dev == old_stat.st_dev)
- && (dns_addr_stat.st_ino == old_stat.st_ino)
- && (dns_addr_stat.st_size == old_stat.st_size)
- && (dns_addr_stat.st_mtime == old_stat.st_mtime)) {
- *pdns_addr = dns_addr;
- return 0;
- }
- }
-
f = fopen("/etc/resolv.conf", "r");
if (!f)
return -1;
@@ -173,6 +176,18 @@ int get_dns_addr(struct in_addr *pdns_addr)
return 0;
}
+int get_dns_addr(struct in_addr *pdns_addr)
+{
+ if (dns_addr.s_addr != 0) {
+ int ret;
+ ret = get_dns_addr_cached(pdns_addr);
+ if (ret <= 0) {
+ return ret;
+ }
+ }
+ return get_dns_addr_resolv_conf(pdns_addr);
+}
+
#endif
static void slirp_init_once(void)
--
2.7.0
^ permalink raw reply related [flat|nested] 6+ messages in thread* [Qemu-devel] [PATCH 2/4] slirp: Add dns6 resolution
2016-03-20 15:26 [Qemu-devel] [PATCH 0/4] slirp: Add dns6 support Samuel Thibault
2016-03-20 15:26 ` [Qemu-devel] [PATCH 1/4] slirp: Split get_dns_addr Samuel Thibault
@ 2016-03-20 15:26 ` Samuel Thibault
2016-03-20 15:26 ` [Qemu-devel] [PATCH 3/4] slirp: Support link-local DNS addresses Samuel Thibault
` (2 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: Samuel Thibault @ 2016-03-20 15:26 UTC (permalink / raw)
To: qemu-devel, thuth; +Cc: Samuel Thibault, jan.kiszka
This makes get_dns_addr address family-agnostic, thus allowing to add the
IPv6 case.
Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
---
slirp/libslirp.h | 1 +
slirp/slirp.c | 72 ++++++++++++++++++++++++++++++++++++++++----------------
slirp/socket.c | 4 ++--
3 files changed, 55 insertions(+), 22 deletions(-)
diff --git a/slirp/libslirp.h b/slirp/libslirp.h
index c4b25c9..eea9be4 100644
--- a/slirp/libslirp.h
+++ b/slirp/libslirp.h
@@ -7,6 +7,7 @@ struct Slirp;
typedef struct Slirp Slirp;
int get_dns_addr(struct in_addr *pdns_addr);
+int get_dns6_addr(struct in6_addr *pdns6_addr);
Slirp *slirp_init(int restricted, struct in_addr vnetwork,
struct in_addr vnetmask, struct in_addr vhost,
diff --git a/slirp/slirp.c b/slirp/slirp.c
index 36534fc..3deb4c2 100644
--- a/slirp/slirp.c
+++ b/slirp/slirp.c
@@ -45,7 +45,9 @@ static QTAILQ_HEAD(slirp_instances, Slirp) slirp_instances =
QTAILQ_HEAD_INITIALIZER(slirp_instances);
static struct in_addr dns_addr;
+static struct in6_addr dns6_addr;
static u_int dns_addr_time;
+static u_int dns6_addr_time;
#define TIMEOUT_FAST 2 /* milliseconds */
#define TIMEOUT_SLOW 499 /* milliseconds */
@@ -99,6 +101,11 @@ int get_dns_addr(struct in_addr *pdns_addr)
return 0;
}
+int get_dns6_addr(struct in6_addr *pdns_addr6)
+{
+ return -1;
+}
+
static void winsock_cleanup(void)
{
WSACleanup();
@@ -106,36 +113,40 @@ static void winsock_cleanup(void)
#else
-static struct stat dns_addr_stat;
-
-static int get_dns_addr_cached(struct in_addr *pdns_addr)
+static int get_dns_addr_cached(void *pdns_addr, void *cached_addr,
+ socklen_t addrlen,
+ struct stat *cached_stat, u_int *cached_time)
{
struct stat old_stat;
if ((curtime - dns_addr_time) < TIMEOUT_DEFAULT) {
- *pdns_addr = dns_addr;
+ memcpy(pdns_addr, cached_addr, addrlen);
return 0;
}
- old_stat = dns_addr_stat;
- if (stat("/etc/resolv.conf", &dns_addr_stat) != 0) {
+ old_stat = *cached_stat;
+ if (stat("/etc/resolv.conf", cached_stat) != 0) {
return -1;
}
- if ((dns_addr_stat.st_dev == old_stat.st_dev)
- && (dns_addr_stat.st_ino == old_stat.st_ino)
- && (dns_addr_stat.st_size == old_stat.st_size)
- && (dns_addr_stat.st_mtime == old_stat.st_mtime)) {
- *pdns_addr = dns_addr;
+ if ((cached_stat->st_dev == old_stat.st_dev)
+ && (cached_stat->st_ino == old_stat.st_ino)
+ && (cached_stat->st_size == old_stat.st_size)
+ && (cached_stat->st_mtime == old_stat.st_mtime)) {
+ memcpy(pdns_addr, cached_addr, addrlen);
return 0;
}
return 1;
}
-static int get_dns_addr_resolv_conf(struct in_addr *pdns_addr)
+static int get_dns_addr_resolv_conf(int af, void *pdns_addr, void *cached_addr,
+ socklen_t addrlen, u_int *cached_time)
{
char buff[512];
char buff2[257];
FILE *f;
int found = 0;
- struct in_addr tmp_addr;
+ void *tmp_addr = alloca(addrlen);
+#ifdef DEBUG
+ char s[INET6_ADDRSTRLEN];
+#endif
f = fopen("/etc/resolv.conf", "r");
if (!f)
@@ -146,13 +157,14 @@ static int get_dns_addr_resolv_conf(struct in_addr *pdns_addr)
#endif
while (fgets(buff, 512, f) != NULL) {
if (sscanf(buff, "nameserver%*[ \t]%256s", buff2) == 1) {
- if (!inet_aton(buff2, &tmp_addr))
+ if (!inet_pton(af, buff2, tmp_addr)) {
continue;
+ }
/* If it's the first one, set it to dns_addr */
if (!found) {
- *pdns_addr = tmp_addr;
- dns_addr = tmp_addr;
- dns_addr_time = curtime;
+ memcpy(pdns_addr, tmp_addr, addrlen);
+ memcpy(cached_addr, tmp_addr, addrlen);
+ *cached_time = curtime;
}
#ifdef DEBUG
else
@@ -166,7 +178,7 @@ static int get_dns_addr_resolv_conf(struct in_addr *pdns_addr)
}
#ifdef DEBUG
else
- fprintf(stderr, "%s", inet_ntoa(tmp_addr));
+ fprintf(stderr, "%s", inet_ntop(af, tmp_addr, s, sizeof(s)));
#endif
}
}
@@ -176,16 +188,36 @@ static int get_dns_addr_resolv_conf(struct in_addr *pdns_addr)
return 0;
}
+static struct stat dns_addr_stat;
+
int get_dns_addr(struct in_addr *pdns_addr)
{
if (dns_addr.s_addr != 0) {
int ret;
- ret = get_dns_addr_cached(pdns_addr);
+ ret = get_dns_addr_cached(pdns_addr, &dns_addr, sizeof(dns_addr),
+ &dns_addr_stat, &dns_addr_time);
+ if (ret <= 0) {
+ return ret;
+ }
+ }
+ return get_dns_addr_resolv_conf(AF_INET, pdns_addr, &dns_addr,
+ sizeof(dns_addr), &dns_addr_time);
+}
+
+static struct stat dns6_addr_stat;
+
+int get_dns6_addr(struct in6_addr *pdns6_addr)
+{
+ if (!in6_zero(&dns6_addr)) {
+ int ret;
+ ret = get_dns_addr_cached(pdns6_addr, &dns6_addr, sizeof(dns6_addr),
+ &dns6_addr_stat, &dns6_addr_time);
if (ret <= 0) {
return ret;
}
}
- return get_dns_addr_resolv_conf(pdns_addr);
+ return get_dns_addr_resolv_conf(AF_INET6, pdns6_addr, &dns6_addr,
+ sizeof(dns6_addr), &dns6_addr_time);
}
#endif
diff --git a/slirp/socket.c b/slirp/socket.c
index b836c42..653257d 100644
--- a/slirp/socket.c
+++ b/slirp/socket.c
@@ -796,9 +796,9 @@ void sotranslate_out(struct socket *so, struct sockaddr_storage *addr)
if (in6_equal_net(&so->so_faddr6, &slirp->vprefix_addr6,
slirp->vprefix_len)) {
if (in6_equal(&so->so_faddr6, &slirp->vnameserver_addr6)) {
- /*if (get_dns_addr(&addr) < 0) {*/ /* TODO */
+ if (get_dns6_addr(&sin6->sin6_addr) < 0) {
sin6->sin6_addr = in6addr_loopback;
- /*}*/
+ }
} else {
sin6->sin6_addr = in6addr_loopback;
}
--
2.7.0
^ permalink raw reply related [flat|nested] 6+ messages in thread* [Qemu-devel] [PATCH 3/4] slirp: Support link-local DNS addresses
2016-03-20 15:26 [Qemu-devel] [PATCH 0/4] slirp: Add dns6 support Samuel Thibault
2016-03-20 15:26 ` [Qemu-devel] [PATCH 1/4] slirp: Split get_dns_addr Samuel Thibault
2016-03-20 15:26 ` [Qemu-devel] [PATCH 2/4] slirp: Add dns6 resolution Samuel Thibault
@ 2016-03-20 15:26 ` Samuel Thibault
2016-03-20 15:26 ` [Qemu-devel] [PATCH 4/4] slirp: Add RDNSS advertisement Samuel Thibault
2016-03-24 21:02 ` [Qemu-devel] [PATCH 0/4] slirp: Add dns6 support Samuel Thibault
4 siblings, 0 replies; 6+ messages in thread
From: Samuel Thibault @ 2016-03-20 15:26 UTC (permalink / raw)
To: qemu-devel, thuth; +Cc: Samuel Thibault, jan.kiszka
They look like fe80::%eth0
Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
---
slirp/libslirp.h | 2 +-
slirp/slirp.c | 26 ++++++++++++++++++++++----
slirp/socket.c | 2 +-
3 files changed, 24 insertions(+), 6 deletions(-)
diff --git a/slirp/libslirp.h b/slirp/libslirp.h
index eea9be4..bf3a420 100644
--- a/slirp/libslirp.h
+++ b/slirp/libslirp.h
@@ -7,7 +7,7 @@ struct Slirp;
typedef struct Slirp Slirp;
int get_dns_addr(struct in_addr *pdns_addr);
-int get_dns6_addr(struct in6_addr *pdns6_addr);
+int get_dns6_addr(struct in6_addr *pdns6_addr, unsigned *scope_id);
Slirp *slirp_init(int restricted, struct in_addr vnetwork,
struct in_addr vnetmask, struct in_addr vhost,
diff --git a/slirp/slirp.c b/slirp/slirp.c
index 3deb4c2..5e328ff 100644
--- a/slirp/slirp.c
+++ b/slirp/slirp.c
@@ -29,6 +29,10 @@
#include "slirp.h"
#include "hw/hw.h"
+#ifndef _WIN32
+#include <net/if.h>
+#endif
+
/* host loopback address */
struct in_addr loopback_addr;
/* host loopback network mask */
@@ -137,13 +141,15 @@ static int get_dns_addr_cached(void *pdns_addr, void *cached_addr,
}
static int get_dns_addr_resolv_conf(int af, void *pdns_addr, void *cached_addr,
- socklen_t addrlen, u_int *cached_time)
+ socklen_t addrlen, unsigned *scope_id,
+ u_int *cached_time)
{
char buff[512];
char buff2[257];
FILE *f;
int found = 0;
void *tmp_addr = alloca(addrlen);
+ unsigned if_index;
#ifdef DEBUG
char s[INET6_ADDRSTRLEN];
#endif
@@ -157,6 +163,14 @@ static int get_dns_addr_resolv_conf(int af, void *pdns_addr, void *cached_addr,
#endif
while (fgets(buff, 512, f) != NULL) {
if (sscanf(buff, "nameserver%*[ \t]%256s", buff2) == 1) {
+ char *c = strchr(buff2, '%');
+ if (c) {
+ if_index = if_nametoindex(c + 1);
+ *c = '\0';
+ } else {
+ if_index = 0;
+ }
+
if (!inet_pton(af, buff2, tmp_addr)) {
continue;
}
@@ -164,6 +178,9 @@ static int get_dns_addr_resolv_conf(int af, void *pdns_addr, void *cached_addr,
if (!found) {
memcpy(pdns_addr, tmp_addr, addrlen);
memcpy(cached_addr, tmp_addr, addrlen);
+ if (scope_id) {
+ *scope_id = if_index;
+ }
*cached_time = curtime;
}
#ifdef DEBUG
@@ -201,12 +218,12 @@ int get_dns_addr(struct in_addr *pdns_addr)
}
}
return get_dns_addr_resolv_conf(AF_INET, pdns_addr, &dns_addr,
- sizeof(dns_addr), &dns_addr_time);
+ sizeof(dns_addr), NULL, &dns_addr_time);
}
static struct stat dns6_addr_stat;
-int get_dns6_addr(struct in6_addr *pdns6_addr)
+int get_dns6_addr(struct in6_addr *pdns6_addr, unsigned *scope_id)
{
if (!in6_zero(&dns6_addr)) {
int ret;
@@ -217,7 +234,8 @@ int get_dns6_addr(struct in6_addr *pdns6_addr)
}
}
return get_dns_addr_resolv_conf(AF_INET6, pdns6_addr, &dns6_addr,
- sizeof(dns6_addr), &dns6_addr_time);
+ sizeof(dns6_addr),
+ scope_id, &dns6_addr_time);
}
#endif
diff --git a/slirp/socket.c b/slirp/socket.c
index 653257d..896c27e 100644
--- a/slirp/socket.c
+++ b/slirp/socket.c
@@ -796,7 +796,7 @@ void sotranslate_out(struct socket *so, struct sockaddr_storage *addr)
if (in6_equal_net(&so->so_faddr6, &slirp->vprefix_addr6,
slirp->vprefix_len)) {
if (in6_equal(&so->so_faddr6, &slirp->vnameserver_addr6)) {
- if (get_dns6_addr(&sin6->sin6_addr) < 0) {
+ if (get_dns6_addr(&sin6->sin6_addr, &sin6->sin6_scope_id) < 0) {
sin6->sin6_addr = in6addr_loopback;
}
} else {
--
2.7.0
^ permalink raw reply related [flat|nested] 6+ messages in thread* [Qemu-devel] [PATCH 4/4] slirp: Add RDNSS advertisement
2016-03-20 15:26 [Qemu-devel] [PATCH 0/4] slirp: Add dns6 support Samuel Thibault
` (2 preceding siblings ...)
2016-03-20 15:26 ` [Qemu-devel] [PATCH 3/4] slirp: Support link-local DNS addresses Samuel Thibault
@ 2016-03-20 15:26 ` Samuel Thibault
2016-03-24 21:02 ` [Qemu-devel] [PATCH 0/4] slirp: Add dns6 support Samuel Thibault
4 siblings, 0 replies; 6+ messages in thread
From: Samuel Thibault @ 2016-03-20 15:26 UTC (permalink / raw)
To: qemu-devel, thuth; +Cc: Samuel Thibault, jan.kiszka
This adds the RDNSS option to IPv6 router advertisements, so that the guest
can autoconfigure the DNS server address.
Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
---
slirp/ip6_icmp.c | 19 ++++++++++++++++---
slirp/ip6_icmp.h | 12 ++++++++++--
2 files changed, 26 insertions(+), 5 deletions(-)
diff --git a/slirp/ip6_icmp.c b/slirp/ip6_icmp.c
index 69c0a16..c25d423 100644
--- a/slirp/ip6_icmp.c
+++ b/slirp/ip6_icmp.c
@@ -151,7 +151,8 @@ void ndp_send_ra(Slirp *slirp)
rip->ip_nh = IPPROTO_ICMPV6;
rip->ip_pl = htons(ICMP6_NDP_RA_MINLEN
+ NDPOPT_LINKLAYER_LEN
- + NDPOPT_PREFIXINFO_LEN);
+ + NDPOPT_PREFIXINFO_LEN
+ + NDPOPT_RDNSS_LEN);
t->m_len = sizeof(struct ip6) + ntohs(rip->ip_pl);
/* Build ICMPv6 packet */
@@ -169,16 +170,16 @@ void ndp_send_ra(Slirp *slirp)
ricmp->icmp6_nra.lifetime = htons(NDP_AdvDefaultLifetime);
ricmp->icmp6_nra.reach_time = htonl(NDP_AdvReachableTime);
ricmp->icmp6_nra.retrans_time = htonl(NDP_AdvRetransTime);
+ t->m_data += ICMP6_NDP_RA_MINLEN;
/* Source link-layer address (NDP option) */
- t->m_data += ICMP6_NDP_RA_MINLEN;
struct ndpopt *opt = mtod(t, struct ndpopt *);
opt->ndpopt_type = NDPOPT_LINKLAYER_SOURCE;
opt->ndpopt_len = NDPOPT_LINKLAYER_LEN / 8;
in6_compute_ethaddr(rip->ip_src, opt->ndpopt_linklayer);
+ t->m_data += NDPOPT_LINKLAYER_LEN;
/* Prefix information (NDP option) */
- t->m_data += NDPOPT_LINKLAYER_LEN;
struct ndpopt *opt2 = mtod(t, struct ndpopt *);
opt2->ndpopt_type = NDPOPT_PREFIX_INFO;
opt2->ndpopt_len = NDPOPT_PREFIXINFO_LEN / 8;
@@ -190,8 +191,20 @@ void ndp_send_ra(Slirp *slirp)
opt2->ndpopt_prefixinfo.pref_lt = htonl(NDP_AdvPrefLifetime);
opt2->ndpopt_prefixinfo.reserved2 = 0;
opt2->ndpopt_prefixinfo.prefix = slirp->vprefix_addr6;
+ t->m_data += NDPOPT_PREFIXINFO_LEN;
+
+ /* Prefix information (NDP option) */
+ struct ndpopt *opt3 = mtod(t, struct ndpopt *);
+ opt3->ndpopt_type = NDPOPT_RDNSS;
+ opt3->ndpopt_len = NDPOPT_RDNSS_LEN / 8;
+ opt3->ndpopt_rdnss.reserved = 0;
+ opt3->ndpopt_rdnss.lifetime = htonl(2 * NDP_MaxRtrAdvInterval);
+ opt3->ndpopt_rdnss.addr = slirp->vnameserver_addr6;
+ t->m_data += NDPOPT_RDNSS_LEN;
/* ICMPv6 Checksum */
+ t->m_data -= NDPOPT_RDNSS_LEN;
+ t->m_data -= NDPOPT_PREFIXINFO_LEN;
t->m_data -= NDPOPT_LINKLAYER_LEN;
t->m_data -= ICMP6_NDP_RA_MINLEN;
t->m_data -= sizeof(struct ip6);
diff --git a/slirp/ip6_icmp.h b/slirp/ip6_icmp.h
index 9460bf8..2282d29 100644
--- a/slirp/ip6_icmp.h
+++ b/slirp/ip6_icmp.h
@@ -122,6 +122,7 @@ struct ndpopt {
uint8_t ndpopt_len; /* /!\ In units of 8 octets */
union {
unsigned char linklayer_addr[6]; /* Source/Target Link-layer */
+#define ndpopt_linklayer ndpopt_body.linklayer_addr
struct prefixinfo { /* Prefix Information */
uint8_t prefix_length;
#ifdef HOST_WORDS_BIGENDIAN
@@ -134,19 +135,26 @@ struct ndpopt {
uint32_t reserved2;
struct in6_addr prefix;
} QEMU_PACKED prefixinfo;
- } ndpopt_body;
-#define ndpopt_linklayer ndpopt_body.linklayer_addr
#define ndpopt_prefixinfo ndpopt_body.prefixinfo
+ struct rdnss {
+ uint16_t reserved;
+ uint32_t lifetime;
+ struct in6_addr addr;
+ } QEMU_PACKED rdnss;
+#define ndpopt_rdnss ndpopt_body.rdnss
+ } ndpopt_body;
} QEMU_PACKED;
/* NDP options type */
#define NDPOPT_LINKLAYER_SOURCE 1 /* Source Link-Layer Address */
#define NDPOPT_LINKLAYER_TARGET 2 /* Target Link-Layer Address */
#define NDPOPT_PREFIX_INFO 3 /* Prefix Information */
+#define NDPOPT_RDNSS 25 /* Recursive DNS Server Address */
/* NDP options size, in octets. */
#define NDPOPT_LINKLAYER_LEN 8
#define NDPOPT_PREFIXINFO_LEN 32
+#define NDPOPT_RDNSS_LEN 24
/*
* Definition of type and code field values.
--
2.7.0
^ permalink raw reply related [flat|nested] 6+ messages in thread* Re: [Qemu-devel] [PATCH 0/4] slirp: Add dns6 support
2016-03-20 15:26 [Qemu-devel] [PATCH 0/4] slirp: Add dns6 support Samuel Thibault
` (3 preceding siblings ...)
2016-03-20 15:26 ` [Qemu-devel] [PATCH 4/4] slirp: Add RDNSS advertisement Samuel Thibault
@ 2016-03-24 21:02 ` Samuel Thibault
4 siblings, 0 replies; 6+ messages in thread
From: Samuel Thibault @ 2016-03-24 21:02 UTC (permalink / raw)
To: qemu-devel, thuth; +Cc: jan.kiszka, jasowang
Hello,
Could somebody review this? This will be needed for ipv6-only setups.
Samuel
Samuel Thibault, on Sun 20 Mar 2016 16:26:24 +0100, wrote:
> This adds support for DNS over IPv6 in slirp, which is notably useful when the
> host has only an IPv6 DNS server.
>
> This series depends on "slirp: Allow to disable IPv4 or IPv6" which defines
> in6_zero.
>
> Samuel Thibault (4):
> slirp: Split get_dns_addr
> slirp: Add dns6 resolution
> slirp: Support link-local DNS addresses
> slirp: Add RDNSS advertisement
>
> slirp/ip6_icmp.c | 19 +++++++--
> slirp/ip6_icmp.h | 12 +++++-
> slirp/libslirp.h | 1 +
> slirp/slirp.c | 117 ++++++++++++++++++++++++++++++++++++++++++-------------
> slirp/socket.c | 4 +-
> 5 files changed, 120 insertions(+), 33 deletions(-)
>
> --
> 2.7.0
>
--
Samuel
Progress (n.): The process through which the Internet has evolved from
smart people in front of dumb terminals to dumb people in front of smart
terminals.
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