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Correctly handle IPv6 unspecified address in C API

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This commit is contained in:
Joseph Henry
2021-05-19 00:52:52 -07:00
parent 840a5159b3
commit 08cf10278e
1 changed files with 10 additions and 5 deletions
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15
src/Sockets.cpp
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@@ -367,15 +367,20 @@ int zts_util_ipstr_to_saddr(
*addrlen = sizeof(struct zts_sockaddr_in);
return ZTS_ERR_OK;
}
int any = 0;
if (family == ZTS_AF_INET6) {
struct zts_sockaddr_in6* in6 = (struct zts_sockaddr_in6*)dest_addr;
in6->sin6_port = htons(port);
in6->sin6_family = family;
#if defined(_WIN32)
zts_inet_pton(family, src_ipstr, &(in6->sin6_addr));
#else
zts_inet_pton(family, src_ipstr, &(in6->sin6_addr));
#endif
// Handle the unspecified address
any = ((strlen(src_ipstr) >= 2) && !strncmp(src_ipstr, "::", 2))
|| ((strlen(src_ipstr) >= 15) && !strncmp(src_ipstr, "0:0:0:0:0:0:0:0", 15)) ? 1 : 0;
if (!any) {
zts_inet_pton(family, src_ipstr, &(in6->sin6_addr));
}
else {
memset((void*)&(in6->sin6_addr), 0, sizeof(zts_in6_addr));
}
*addrlen = sizeof(struct zts_sockaddr_in6);
return ZTS_ERR_OK;
}