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kernel-netlink: Use strncpy to copy interface name when configuring HW offload

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This commit is contained in:
Tobias Brunner
2018-05-23 20:25:49 +02:00
parent 89bd016ef4
commit d837d0b339
1 changed files with 6 additions and 3 deletions
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src/libcharon/plugins/kernel_netlink/kernel_netlink_ipsec.c
+6 -3
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@@ -1354,7 +1354,8 @@ static void netlink_find_offload_feature(const char *ifname, int query_socket)
.cmd = ETHTOOL_GSSET_INFO,
.sset_mask = 1ULL << ETH_SS_FEATURES,
);
strcpy(ifr.ifr_name, ifname);
strncpy(ifr.ifr_name, ifname, IFNAMSIZ);
ifr.ifr_name[IFNAMSIZ-1] = '\0';
ifr.ifr_data = (void*)sset_info;
err = ioctl(query_socket, SIOCETHTOOL, &ifr);
@@ -1369,7 +1370,8 @@ static void netlink_find_offload_feature(const char *ifname, int query_socket)
.cmd = ETHTOOL_GSTRINGS,
.string_set = ETH_SS_FEATURES,
);
strcpy(ifr.ifr_name, ifname);
strncpy(ifr.ifr_name, ifname, IFNAMSIZ);
ifr.ifr_name[IFNAMSIZ-1] = '\0';
ifr.ifr_data = (void*)cmd;
err = ioctl(query_socket, SIOCETHTOOL, &ifr);
@@ -1433,7 +1435,8 @@ static bool netlink_detect_offload(const char *ifname)
.cmd = ETHTOOL_GFEATURES,
.size = netlink_hw_offload.total_blocks,
);
strcpy(ifr.ifr_name, ifname);
strncpy(ifr.ifr_name, ifname, IFNAMSIZ);
ifr.ifr_name[IFNAMSIZ-1] = '\0';
ifr.ifr_data = (void*)cmd;
if (ioctl(query_socket, SIOCETHTOOL, &ifr))