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* ext/socket/raddrinfo.c (rsock_fd_family): Check sa_len.

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52119 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
akr 2015-10-13 13:49:58 +00:00
parent 33f3789e85
commit e794fa5cb5
2 changed files with 6 additions and 1 deletions
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ChangeLog
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@ -1,3 +1,7 @@
Tue Oct 13 22:06:50 2015 Tanaka Akira <akr@fsij.org>
* ext/socket/raddrinfo.c (rsock_fd_family): Check sa_len.
Tue Oct 13 12:14:10 2015 Craig Davison <craig65535@gmail.com>
* ext/socket/rsock_addrinfo (rsock_addrinfo): specify address

3
ext/socket/raddrinfo.c
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@ -524,7 +524,8 @@ rsock_fd_family(int fd)
struct sockaddr sa = { 0 };
socklen_t sa_len = sizeof(sa);
if (fd < 0 || getsockname(fd, &sa, &sa_len) != 0) {
if (fd < 0 || getsockname(fd, &sa, &sa_len) != 0 ||
sa_len < offsetof(struct sockaddr, sa_family) + sizeof(sa.sa_family)) {
return AF_UNSPEC;
}
return sa.sa_family;