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bpo-30205: Fix getsockname() for unbound AF_UNIX sockets on Linux (#1370)

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* bpo-30205: Fix getsockname() for unbound AF_UNIX sockets on Linux

* Add NEWS entry
This commit is contained in:
Antoine Pitrou 2017-05-02 17:20:00 +02:00 • committed by GitHub
parent b0d8203654
commit 495b5021e7
3 changed files with 9 additions and 3 deletions
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6
Modules/socketmodule.c
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@ -1211,9 +1211,9 @@ makesockaddr(SOCKET_T sockfd, struct sockaddr *addr, size_t addrlen, int proto)
{
struct sockaddr_un *a = (struct sockaddr_un *) addr;
#ifdef __linux__
if (a->sun_path[0] == 0) { /* Linux abstract namespace */
addrlen -= offsetof(struct sockaddr_un, sun_path);
return PyBytes_FromStringAndSize(a->sun_path, addrlen);
size_t linuxaddrlen = addrlen - offsetof(struct sockaddr_un, sun_path);
if (linuxaddrlen > 0 && a->sun_path[0] == 0) { /* Linux abstract namespace */
return PyBytes_FromStringAndSize(a->sun_path, linuxaddrlen);
}
else
#endif /* linux */