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| author | Ulrich Drepper <drepper@redhat.com> | 2004-09-13 06:07:02 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2004-09-13 06:07:02 +0000 |
| commit | 407c4b9a19fc59dfea131c08b3075108ecfab8a3 (patch) | |
| tree | 7533c2788bb96d8392b8f75663e8795c38b88fd3 /nscd/nscd_helper.c | |
| parent | 568470bbff2c86996cbb7ebb5411a2b5d4c46fe4 (diff) | |
| download | glibc-407c4b9a19fc59dfea131c08b3075108ecfab8a3.tar.gz glibc-407c4b9a19fc59dfea131c08b3075108ecfab8a3.tar.xz glibc-407c4b9a19fc59dfea131c08b3075108ecfab8a3.zip | |
UPdate.
* nscd/nscd_helper.c (get_mapping): Correctly check cmsg length. Avoid file descriptor leak in case of size mismatch.
Diffstat (limited to 'nscd/nscd_helper.c')
| -rw-r--r-- | nscd/nscd_helper.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/nscd/nscd_helper.c b/nscd/nscd_helper.c index 74983b9762..ff27b0797e 100644 --- a/nscd/nscd_helper.c +++ b/nscd/nscd_helper.c @@ -138,10 +138,12 @@ get_mapping (request_type type, const char *key, /* Failure or timeout. */ goto out_close2; - if (TEMP_FAILURE_RETRY (__recvmsg (sock, &msg, 0)) != keylen - || msg.msg_controllen != CMSG_LEN (sizeof (int))) + if (TEMP_FAILURE_RETRY (__recvmsg (sock, &msg, 0)) != keylen) goto out_close2; + if (CMSG_FIRSTHDR (&msg)->cmsg_len != CMSG_LEN (sizeof (int))) + goto out_close; + mapfd = *(int *) CMSG_DATA (cmsg); struct stat64 st; |