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- Log -----------------------------------------------------------------
commit 4b49aac718e1c8d703d4c4de6dd9fa9bfe83c932
Author: Christine Caulfield <ccaulfie@redhat.com>
Date: Tue May 6 11:48:13 2008 +0100

[CMAN] Fix localhost checking that I broke last week.

Signed-off-by: Christine Caulfield <ccaulfie@redhat.com>

-----------------------------------------------------------------------

Summary of changes:
cman/daemon/cman-preconfig.c | 44 ++++++++++++++++++++++++++---------------
1 files changed, 28 insertions(+), 16 deletions(-)

diff --git a/cman/daemon/cman-preconfig.c b/cman/daemon/cman-preconfig.c
index 5aa5087..b03d995 100644
--- a/cman/daemon/cman-preconfig.c
+++ b/cman/daemon/cman-preconfig.c
@@ -110,14 +110,14 @@ static int ipaddr_equal(struct sockaddr_storage *addr1, struct sockaddr_storage
return 0;

if (saddr1->sa_family == AF_INET) {
- addrlen = sizeof(struct in_addr);
+ addrlen = sizeof(struct sockaddr_in);
}
if (saddr1->sa_family == AF_INET6) {
- addrlen = sizeof(struct in6_addr);
+ addrlen = sizeof(struct sockaddr_in6);
}
assert(addrlen);

- if (memcmp(saddr1->sa_data, saddr2->sa_data, addrlen) == 0)
+ if (memcmp(saddr1, saddr2, addrlen) == 0)
return 1;
else
return 0;
@@ -128,32 +128,39 @@ static int ipaddr_equal(struct sockaddr_storage *addr1, struct sockaddr_storage
static int get_localhost(int family, struct sockaddr_storage *localhost)
{
char *addr_text;
- struct sockaddr *saddr = (struct sockaddr *)localhost;
-
- memset (localhost, 0, sizeof (struct sockaddr_storage));
+ struct addrinfo *ainfo;
+ struct addrinfo ahints;
+ int ret;

if (family == AF_INET) {
addr_text = LOCALHOST_IPV4;
- if (inet_pton(family, addr_text, (char *)&nodeid) <= 0) {
- return -1;
- }
} else {
addr_text = LOCALHOST_IPV6;
}

- if (inet_pton(family, addr_text, (char *)saddr->sa_data) <= 0)
+ memset(&ahints, 0, sizeof(ahints));
+ ahints.ai_socktype = SOCK_DGRAM;
+ ahints.ai_protocol = IPPROTO_UDP;
+ ahints.ai_family = family;
+
+ /* Lookup the nodename address */
+ ret = getaddrinfo(addr_text, NULL, &ahints, &ainfo);
+ if (ret)
return -1;

- localhost->ss_family = family;
+ memset(localhost, 0, sizeof(struct sockaddr_storage));
+ memcpy(localhost, ainfo->ai_addr, ainfo->ai_addrlen);

+ freeaddrinfo(ainfo);
return 0;
}

/* Return the address family of an IP[46] name */
-static int address_family(char *addr)
+static int address_family(char *addr, struct sockaddr_storage *ssaddr)
{
struct addrinfo *ainfo;
struct addrinfo ahints;
+ int family;
int ret;

memset(&ahints, 0, sizeof(ahints));
@@ -165,7 +172,12 @@ static int address_family(char *addr)
if (ret)
return -1;

- return ainfo->ai_family;
+ memset(ssaddr, 0, sizeof(struct sockaddr_storage));
+ memcpy(ssaddr, ainfo->ai_addr, ainfo->ai_addrlen);
+ family = ainfo->ai_family;
+
+ freeaddrinfo(ainfo);
+ return family;
}


@@ -178,14 +190,14 @@ static int add_ifaddr(struct objdb_iface_ver0 *objdb, char *mcast, char *ifaddr,
int ret = 0;

/* Check the families match */
- if (address_family(mcast) !=
- address_family(ifaddr)) {
+ if (address_family(mcast, &mcast_addr) !=
+ address_family(ifaddr, &if_addr)) {
sprintf(error_reason, "Node address family does not match multicast address family");
return -1;
}

/* Check it's not bound to localhost, sigh */
- get_localhost(mcast_addr.ss_family, &localhost);
+ get_localhost(if_addr.ss_family, &localhost);
if (ipaddr_equal(&localhost, &if_addr)) {
sprintf(error_reason, "Node address is localhost, please choose a real host address");
return -1;


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