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Sanity check s2length on recept.
author
J.W. Schultz
<jw@samba.org>
Sat, 6 Dec 2003 21:35:34 +0000
(21:35 +0000)
committer
J.W. Schultz
<jw@samba.org>
Sat, 6 Dec 2003 21:35:34 +0000
(21:35 +0000)
sender.c
patch
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diff --git
a/sender.c
b/sender.c
index
a9c31bb
..
7d7b586
100644
(file)
--- a/
sender.c
+++ b/
sender.c
@@
-42,10
+42,16
@@
void read_sum_head(int f, struct sum_struct *sum)
sum->count = read_int(f);
sum->blength = read_int(f);
sum->count = read_int(f);
sum->blength = read_int(f);
- if (protocol_version < 27)
+ if (protocol_version < 27)
{
sum->s2length = csum_length;
sum->s2length = csum_length;
- else
+ } else {
sum->s2length = read_int(f);
sum->s2length = read_int(f);
+ if (sum->s2length > MD4_SUM_LENGTH) {
+ rprintf(FERROR, "Invalid checksum length %d\n",
+ sum->s2length);
+ exit_cleanup(RERR_PROTOCOL);
+ }
+ }
sum->remainder = read_int(f);
}
sum->remainder = read_int(f);
}