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-rw-r--r--contrib/opie/libopie/challenge.c4
-rw-r--r--contrib/opie/opie.h4
2 files changed, 5 insertions, 3 deletions
diff --git a/contrib/opie/libopie/challenge.c b/contrib/opie/libopie/challenge.c
index fc836aa..6c42018 100644
--- a/contrib/opie/libopie/challenge.c
+++ b/contrib/opie/libopie/challenge.c
@@ -68,7 +68,9 @@ int opiechallenge FUNCTION((mp, name, ss), struct opie *mp AND char *name AND ch
}
if (rval ||
- (snprintf(ss, OPIE_CHALLENGE_MAX, "otp-%s %d %s ext", algids[MDX], mp->opie_n - 1, mp->opie_seed) >= OPIE_CHALLENGE_MAX)) {
+ (snprintf(ss, OPIE_CHALLENGE_MAX+1, "otp-%s %d %s ext", algids[MDX], mp->opie_n - 1, mp->opie_seed) >= OPIE_CHALLENGE_MAX+1)) {
+ if (!rval)
+ rval = 1;
opierandomchallenge(ss);
memset(mp, 0, sizeof(*mp));
}
diff --git a/contrib/opie/opie.h b/contrib/opie/opie.h
index 2549d04..2d3ceed 100644
--- a/contrib/opie/opie.h
+++ b/contrib/opie/opie.h
@@ -72,8 +72,8 @@ struct opie {
/* Max length of hash algorithm name (md4/md5) */
#define OPIE_HASHNAME_MAX 3
-/* Maximum length of a challenge (otp-md? 9999 seed) */
-#define OPIE_CHALLENGE_MAX (4+OPIE_HASHNAME_MAX+1+4+1+OPIE_SEED_MAX)
+/* Maximum length of a challenge (otp-md? 9999 seed ext) */
+#define OPIE_CHALLENGE_MAX (4+OPIE_HASHNAME_MAX+1+4+1+OPIE_SEED_MAX+1+3)
/* Maximum length of a response that we allow */
#define OPIE_RESPONSE_MAX (9+1+19+1+9+OPIE_SEED_MAX+1+19+1+19+1+19)
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