diff options
-rw-r--r-- | slirp/libslirp.h | 2 | ||||
-rw-r--r-- | slirp/slirp.c | 32 | ||||
-rw-r--r-- | slirp/socket.c | 5 |
3 files changed, 32 insertions, 7 deletions
diff --git a/slirp/libslirp.h b/slirp/libslirp.h index b0cfbc5b0f..b6fc584219 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, uint32_t *scope_id); Slirp *slirp_init(int restricted, bool in_enabled, struct in_addr vnetwork, struct in_addr vnetmask, struct in_addr vhost, diff --git a/slirp/slirp.c b/slirp/slirp.c index 197d9f2979..7eb183d0e9 100644 --- a/slirp/slirp.c +++ b/slirp/slirp.c @@ -30,6 +30,10 @@ #include "hw/hw.h" #include "qemu/cutils.h" +#ifndef _WIN32 +#include <net/if.h> +#endif + /* host loopback address */ struct in_addr loopback_addr; /* host loopback network mask */ @@ -46,9 +50,13 @@ static QTAILQ_HEAD(slirp_instances, Slirp) slirp_instances = QTAILQ_HEAD_INITIALIZER(slirp_instances); static struct in_addr dns_addr; +#ifndef _WIN32 static struct in6_addr dns6_addr; +#endif static u_int dns_addr_time; +#ifndef _WIN32 static u_int dns6_addr_time; +#endif #define TIMEOUT_FAST 2 /* milliseconds */ #define TIMEOUT_SLOW 499 /* milliseconds */ @@ -102,7 +110,7 @@ int get_dns_addr(struct in_addr *pdns_addr) return 0; } -int get_dns6_addr(struct in6_addr *pdns_addr6) +int get_dns6_addr(struct in6_addr *pdns6_addr, uint32_t *scope_id) { return -1; } @@ -138,13 +146,15 @@ 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, uint32_t *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; f = fopen("/etc/resolv.conf", "r"); if (!f) @@ -155,6 +165,14 @@ 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; } @@ -162,6 +180,9 @@ 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 @@ -205,10 +226,10 @@ 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); } -int get_dns6_addr(struct in6_addr *pdns6_addr) +int get_dns6_addr(struct in6_addr *pdns6_addr, uint32_t *scope_id) { static struct stat dns6_addr_stat; @@ -221,7 +242,8 @@ 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 8e8de88044..02e89ce1f2 100644 --- a/slirp/socket.c +++ b/slirp/socket.c @@ -816,7 +816,10 @@ 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) { + uint32_t scope_id; + if (get_dns6_addr(&sin6->sin6_addr, &scope_id) >= 0) { + sin6->sin6_scope_id = scope_id; + } else { sin6->sin6_addr = in6addr_loopback; } } else { |