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authorAndrew Tridgell <tridge@samba.org>2004-02-02 12:09:35 +0000
committerAndrew Tridgell <tridge@samba.org>2004-02-02 12:09:35 +0000
commit7847b611acff4ed2453aaacdd1455ceaf84bb431 (patch)
tree807e0ee09664b7cd806743aad32db2cc3eba8631
parent423ad9097448e5a07ba26172302450ae7165d85a (diff)
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there are places in the samba3 code that don't check properly for
packet-termination of strings. This change ensures that when we go past the end of a packet we hit 2 null bytes, thus terminating. We are relying on the SAFETY_MARGIN packet allocation stuff here. (This used to be commit 655ec168288159f5c0961ed8cbdd84c4e14eab26)
-rw-r--r--source3/lib/util_sock.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/source3/lib/util_sock.c b/source3/lib/util_sock.c
index 328ca92727..5eb9c18b60 100644
--- a/source3/lib/util_sock.c
+++ b/source3/lib/util_sock.c
@@ -552,6 +552,10 @@ BOOL receive_smb_raw(int fd,char *buffer, unsigned int timeout)
smb_read_error = READ_ERROR;
return False;
}
+
+ /* not all of samba3 properly checks for packet-termination of strings. This
+ ensures that we don't run off into empty space. */
+ SSVAL(buffer+4,len, 0);
}
return True;