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| author | Rich Felker <dalias@aerifal.cx> | 2013-11-27 00:54:03 -0500 |
|---|---|---|
| committer | Rich Felker <dalias@aerifal.cx> | 2013-11-27 00:54:03 -0500 |
| commit | cabe9aa974aca34c0fda91028c770dee96ba51dc (patch) | |
| tree | b42c3cad3efd6a219047a676ebf9dcaf2008cc1b /src/network/getaddrinfo.c | |
| parent | a663c930196b50194921e7ee685d0704ac32f6f4 (diff) | |
| download | musl-cabe9aa974aca34c0fda91028c770dee96ba51dc.tar.gz musl-cabe9aa974aca34c0fda91028c770dee96ba51dc.tar.xz musl-cabe9aa974aca34c0fda91028c770dee96ba51dc.zip | |
reject invalid address families in getaddrinfo
subsequent code assumes the address family requested is either unspecified or one of IPv4/IPv6, and could malfunction if this constraint is not met, so other address families should be explicitly rejected.
Diffstat (limited to 'src/network/getaddrinfo.c')
| -rw-r--r-- | src/network/getaddrinfo.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/network/getaddrinfo.c b/src/network/getaddrinfo.c index e58db6cf..5d45be74 100644 --- a/src/network/getaddrinfo.c +++ b/src/network/getaddrinfo.c @@ -62,6 +62,9 @@ int getaddrinfo(const char *restrict host, const char *restrict serv, const stru int result; int cnt; + if (family != AF_INET && family != AF_INET6 && family != AF_UNSPEC) + return EAI_FAMILY; + if (host && strlen(host)>255) return EAI_NONAME; if (serv && strlen(serv)>32) return EAI_SERVICE; |