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Fix null-pointer dereferences in CA config.

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Introduced in dc7ba12253c68d1 earlier today. On GTK these caused no
problems worse than a GTK warning, but I'd better fix them before they
(potentially) do worse on Windows!
This commit is contained in:
Simon Tatham 2022-05-02 18:59:26 +01:00
parent c6e40f6785
commit 8c4524aa91
1 changed files with 2 additions and 1 deletions
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3
ssh/ca-config.c
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@ -75,7 +75,7 @@ static void ca_refresh_name_list(struct ca_state *st)
static void set_from_hca(struct ca_state *st, host_ca *hca)
{
sfree(st->name);
st->name = dupstr(hca->name);
st->name = dupstr(hca->name ? hca->name : "");
sfree(st->pubkey);
if (hca->ca_public_key)
@ -405,6 +405,7 @@ void setup_ca_config_box(struct controlbox *b)
memset(st, 0, sizeof(*st));
st->ca_names = newtree234(ca_name_compare);
st->host_wcs = newtree234(ca_name_compare);
st->wc = dupstr("");
ca_refresh_name_list(st);
/* Initialise the settings to a default blank host_ca */