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| author | nectar <nectar@FreeBSD.org> | 2002-09-15 16:51:09 +0000 |
|---|---|---|
| committer | nectar <nectar@FreeBSD.org> | 2002-09-15 16:51:09 +0000 |
| commit | b44001f0c35c71357de671925af59585fe44a345 (patch) | |
| tree | b148cf252878680c37bb7a53070e4d454eed0300 /lib/libc/net/hesiod.c | |
| parent | 486bc9dab8aab95468a5910f1ad064ed33582577 (diff) | |
| download | FreeBSD-src-b44001f0c35c71357de671925af59585fe44a345.zip FreeBSD-src-b44001f0c35c71357de671925af59585fe44a345.tar.gz | |
Check for truncation in calls to res_send/res_query/res_search.
Fail when it is detected.
Diffstat (limited to 'lib/libc/net/hesiod.c')
| -rw-r--r-- | lib/libc/net/hesiod.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/libc/net/hesiod.c b/lib/libc/net/hesiod.c index 701244a..c22bdba 100644 --- a/lib/libc/net/hesiod.c +++ b/lib/libc/net/hesiod.c @@ -386,8 +386,8 @@ get_txt_records(qclass, name) /* Send the query. */ n = res_send(qbuf, n, abuf, MAX_HESRESP); - if (n < 0) { - errno = ECONNREFUSED; + if (n < 0 || n > MAX_HESRESP) { + errno = ECONNREFUSED; /* XXX */ return NULL; } /* Parse the header of the result. */ |
