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fix stack buffer overflow when convert between in6_addr

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This commit is contained in:
Wang Xin-yu (王昕宇)
2016-03-29 12:31:51 +00:00
parent 8b245e1be0
commit 17c51c6a86
1 changed files with 4 additions and 4 deletions
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8
src/conninode.cpp
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@@ -60,8 +60,8 @@ std::map<std::string, unsigned long> conninode;
*/
void addtoconninode(char *buffer) {
short int sa_family;
struct in6_addr result_addr_local;
struct in6_addr result_addr_remote;
struct in6_addr result_addr_local = {};
struct in6_addr result_addr_remote = {};
char rem_addr[128], local_addr[128];
int local_port, rem_port;
@@ -102,8 +102,8 @@ void addtoconninode(char *buffer) {
if ((in6_local.s6_addr32[0] == 0x0) && (in6_local.s6_addr32[1] == 0x0) &&
(in6_local.s6_addr32[2] == 0xFFFF0000)) {
/* IPv4-compatible address */
result_addr_local = *((struct in6_addr *)&(in6_local.s6_addr32[3]));
result_addr_remote = *((struct in6_addr *)&(in6_remote.s6_addr32[3]));
result_addr_local.s6_addr32[0] = in6_local.s6_addr32[3];
result_addr_remote.s6_addr32[0] = in6_remote.s6_addr32[3];
sa_family = AF_INET;
} else {
/* real IPv6 address */