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authorDenys Vlasenko2016-09-26 19:53:04 +0200
committerDenys Vlasenko2016-09-26 19:53:04 +0200
commit3c18e3051dfdb5591afc18562e9d9da987a5945e (patch)
treef3d6a693bb0f8cb4dea6e1a3a8632698279d63d6 /util-linux
parent525209ac9465f37a9ba292f1ff138dd80768e869 (diff)
downloadbusybox-3c18e3051dfdb5591afc18562e9d9da987a5945e.zip
busybox-3c18e3051dfdb5591afc18562e9d9da987a5945e.tar.gz
libbb: make xmalloc_sockaddr2dotted use NI_NUMERICSCOPE
Gives "mount -t cifs //fe80::6a05:caff:fe3e:dbf5%eth0/test test" a chance to work: mount must pass "ip=numeric_IPv6%numeric_iface_id" in the omunt option string. Currently, it does not. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'util-linux')
-rw-r--r--util-linux/mount.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/util-linux/mount.c b/util-linux/mount.c
index 13590ce..c3e91e2 100644
--- a/util-linux/mount.c
+++ b/util-linux/mount.c
@@ -1975,6 +1975,12 @@ static int singlemount(struct mntent *mp, int ignore_busy)
dotted = xmalloc_sockaddr2dotted_noport(&lsa->u.sa);
if (ENABLE_FEATURE_CLEAN_UP) free(lsa);
ip = xasprintf("ip=%s", dotted);
+// Note: IPv6 scoped addresses ("name%iface", see RFC 4007) should be
+// handled by libc in getnameinfo() (inside xmalloc_sockaddr2dotted_noport()).
+// Currently, glibc does not support that (has no NI_NUMERICSCOPE),
+// musl apparently does. This results in "ip=numericIPv6%iface_name"
+// (instead of _numeric_ iface_id) with glibc.
+// This probalby should be fixed in glibc, not here.
if (ENABLE_FEATURE_CLEAN_UP) free(dotted);
parse_mount_options(ip, &filteropts);
if (ENABLE_FEATURE_CLEAN_UP) free(ip);