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authorK. Y. Srinivasan <kys@microsoft.com>2012-10-25 21:15:50 (GMT)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-10-30 18:11:24 (GMT)
commit3321e738d6f0a82b2c19f9d5890f304dab1e5357 (patch)
treef86293d804947c65262b24db1ee9f473e9be2364
parentf426a36cecfea2cfd69c28ca5ba4f4bfae913f63 (diff)
Tools: hv: Don't return loopback addresses
Don't return loopback addresses and further don't terminate the IP address strings with a semicolon. This is the current behavior of Windows guests. Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com> Reported-by: Claudio Latini <claudio.latini@live.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--tools/hv/hv_kvp_daemon.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/tools/hv/hv_kvp_daemon.c b/tools/hv/hv_kvp_daemon.c
index 6c7bcb9..13c2a14 100644
--- a/tools/hv/hv_kvp_daemon.c
+++ b/tools/hv/hv_kvp_daemon.c
@@ -43,6 +43,7 @@
#include <sys/stat.h>
#include <fcntl.h>
#include <dirent.h>
+#include <net/if.h>
/*
* KVP protocol: The user mode component first registers with the
@@ -882,7 +883,7 @@ static int kvp_process_ip_address(void *addrp,
addr_length = INET6_ADDRSTRLEN;
}
- if ((length - *offset) < addr_length + 1)
+ if ((length - *offset) < addr_length + 2)
return HV_E_FAIL;
if (str == NULL) {
strcpy(buffer, "inet_ntop failed\n");
@@ -890,11 +891,13 @@ static int kvp_process_ip_address(void *addrp,
}
if (*offset == 0)
strcpy(buffer, tmp);
- else
+ else {
+ strcat(buffer, ";");
strcat(buffer, tmp);
- strcat(buffer, ";");
+ }
*offset += strlen(str) + 1;
+
return 0;
}
@@ -956,7 +959,9 @@ kvp_get_ip_info(int family, char *if_name, int op,
* supported address families; if not we gather info on
* the specified address family.
*/
- if ((family != 0) && (curp->ifa_addr->sa_family != family)) {
+ if ((((family != 0) &&
+ (curp->ifa_addr->sa_family != family))) ||
+ (curp->ifa_flags & IFF_LOOPBACK)) {
curp = curp->ifa_next;
continue;
}

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