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authorSage Weil <sage@newdream.net>2010-07-08 09:54:52 -0700
committerSage Weil <sage@newdream.net>2010-07-09 15:00:18 -0700
commit39139f64e14684cf2370770deb79d929d27cfd9b (patch)
tree7ea80cd49b3afd0816eacf7fbf191647c44d5661 /fs/ceph
parentd06dbaf6c2c7187938f3f6745d9e4938a2d0ec47 (diff)
ceph: fix parsing of ipv6 addresses
Check for brackets around the ipv6 address to avoid ambiguity with the port number. Signed-off-by: Sage Weil <sage@newdream.net>
Diffstat (limited to 'fs/ceph')
-rw-r--r--fs/ceph/messenger.c25
1 files changed, 19 insertions, 6 deletions
diff --git a/fs/ceph/messenger.c b/fs/ceph/messenger.c
index e8c5a2d0e88f..3ddef1556457 100644
--- a/fs/ceph/messenger.c
+++ b/fs/ceph/messenger.c
@@ -997,19 +997,32 @@ int ceph_parse_ips(const char *c, const char *end,
struct sockaddr_in *in4 = (void *)ss;
struct sockaddr_in6 *in6 = (void *)ss;
int port;
+ char delim = ',';
+
+ if (*p == '[') {
+ delim = ']';
+ p++;
+ }
memset(ss, 0, sizeof(*ss));
if (in4_pton(p, end - p, (u8 *)&in4->sin_addr.s_addr,
- ',', &ipend)) {
+ delim, &ipend))
ss->ss_family = AF_INET;
- } else if (in6_pton(p, end - p, (u8 *)&in6->sin6_addr.s6_addr,
- ',', &ipend)) {
+ else if (in6_pton(p, end - p, (u8 *)&in6->sin6_addr.s6_addr,
+ delim, &ipend))
ss->ss_family = AF_INET6;
- } else {
+ else
goto bad;
- }
p = ipend;
+ if (delim == ']') {
+ if (*p != ']') {
+ dout("missing matching ']'\n");
+ goto bad;
+ }
+ p++;
+ }
+
/* port? */
if (p < end && *p == ':') {
port = 0;
@@ -1043,7 +1056,7 @@ int ceph_parse_ips(const char *c, const char *end,
return 0;
bad:
- pr_err("parse_ips bad ip '%s'\n", c);
+ pr_err("parse_ips bad ip '%.*s'\n", (int)(end - c), c);
return -EINVAL;
}