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authorGravatar Denys Vlasenko <vda.linux@googlemail.com>2010-02-27 19:38:19 +0100
committerGravatar Denys Vlasenko <vda.linux@googlemail.com>2010-02-27 19:38:19 +0100
commit99069330a104e6d360635174be5f5ed054c418b8 (patch)
treef800b70a7b8989db14f5964b65534181d4a1a309 /util-linux
parentca228fb16dddc3c959adad97a930612a6b5256db (diff)
downloadbusybox-99069330a104e6d360635174be5f5ed054c418b8.tar.gz
busybox-99069330a104e6d360635174be5f5ed054c418b8.tar.bz2
*: gethostname-related fixes
function old new delta hostname_main 218 231 +13 nfsmount 3541 3474 -67 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'util-linux')
-rw-r--r--util-linux/mount.c16
1 files changed, 6 insertions, 10 deletions
diff --git a/util-linux/mount.c b/util-linux/mount.c
index 4392363ba..620b14667 100644
--- a/util-linux/mount.c
+++ b/util-linux/mount.c
@@ -1043,12 +1043,10 @@ static NOINLINE int nfsmount(struct mntent *mp, long vfsflags, char *filteropts)
bb_herror_msg("%s", hostname);
goto fail;
}
- if ((size_t)hp->h_length > sizeof(struct in_addr)) {
- bb_error_msg("got bad hp->h_length");
- hp->h_length = sizeof(struct in_addr);
+ if (hp->h_length != (int)sizeof(struct in_addr)) {
+ bb_error_msg_and_die("only IPv4 is supported");
}
- memcpy(&server_addr.sin_addr,
- hp->h_addr, hp->h_length);
+ memcpy(&server_addr.sin_addr, hp->h_addr_list[0], sizeof(struct in_addr));
}
memcpy(&mount_server_addr, &server_addr, sizeof(mount_server_addr));
@@ -1331,13 +1329,11 @@ static NOINLINE int nfsmount(struct mntent *mp, long vfsflags, char *filteropts)
bb_herror_msg("%s", mounthost);
goto fail;
}
- if ((size_t)hp->h_length > sizeof(struct in_addr)) {
- bb_error_msg("got bad hp->h_length");
- hp->h_length = sizeof(struct in_addr);
+ if (hp->h_length != (int)sizeof(struct in_addr)) {
+ bb_error_msg_and_die("only IPv4 is supported");
}
mount_server_addr.sin_family = AF_INET;
- memcpy(&mount_server_addr.sin_addr,
- hp->h_addr, hp->h_length);
+ memcpy(&mount_server_addr.sin_addr, hp->h_addr_list[0], sizeof(struct in_addr));
}
}