diff options
| -rw-r--r-- | agent/protect.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/agent/protect.c b/agent/protect.c index 2c63a85fe..7ae067ec7 100644 --- a/agent/protect.c +++ b/agent/protect.c @@ -1610,8 +1610,8 @@ agent_get_shadow_info_type (const unsigned char *shadowkey, unsigned char const **shadow_info, unsigned char **shadow_type) { - const unsigned char *s; - size_t n; + const unsigned char *s, *saved_s; + size_t n, saved_n; int depth = 0; s = shadowkey; @@ -1660,6 +1660,8 @@ agent_get_shadow_info_type (const unsigned char *shadowkey, n = snext (&s); if (!n) return gpg_error (GPG_ERR_INV_SEXP); + saved_s = s; + saved_n = n; if (smatch (&s, n, "t1-v1") || smatch(&s, n, "tpm2-v1")) { if (*s != '(') @@ -1669,6 +1671,8 @@ agent_get_shadow_info_type (const unsigned char *shadowkey, } else return gpg_error (GPG_ERR_UNSUPPORTED_PROTOCOL); + s = saved_s; + n = saved_n; if (shadow_type) { |