*: 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>
diff --git a/util-linux/mount.c b/util-linux/mount.c
index 4392363..620b146 100644
--- a/util-linux/mount.c
+++ b/util-linux/mount.c
@@ -1043,12 +1043,10 @@
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 @@
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));
}
}