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Handle disable & none for secure copy/paste #154

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Handle disable & none for secure copy/paste #154

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20 changes: 15 additions & 5 deletions gui-daemon/xside.c
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Original file line number Diff line number Diff line change
Expand Up @@ -4357,7 +4357,7 @@ static void load_default_config_values(Ghandles * g)
}

// parse string describing key sequence like Ctrl-Alt-c
static void parse_key_sequence(const char *seq, int *mask, KeySym * key)
static void parse_key_sequence(const char *seq, int *mask, KeySym * key, char *vmname)
{
const char *seqp = seq;
char *name;
Expand All @@ -4381,6 +4381,15 @@ static void parse_key_sequence(const char *seq, int *mask, KeySym * key)
if (seq == NULL)
return;

// Option to disable hotkeys. Good for dom0 with dedicated GUIVMs or untrusted VMs
if ((strcasecmp(seq, "disable") == 0) || (strcasecmp(seq, "none") == 0)) {
*key = NoSymbol;
fprintf(stderr,
"Warning: Disabling copy or paste hotkeys for %s\n",
vmname);
return;
}

*mask = 0;
do {
found_modifier = 0;
Expand All @@ -4397,8 +4406,9 @@ static void parse_key_sequence(const char *seq, int *mask, KeySym * key)
*key = XStringToKeysym(seqp);
if (*key == NoSymbol) {
fprintf(stderr,
"Warning: key sequence (%s) is invalid (will be disabled)\n",
seq);
"Error: key sequence (%s) set for %s is invalid\n",
seq, vmname);
exit(1);
}
}

Expand All @@ -4409,12 +4419,12 @@ static void parse_vm_config(Ghandles * g, config_setting_t * group)
if ((setting =
config_setting_get_member(group, "secure_copy_sequence"))) {
parse_key_sequence(config_setting_get_string(setting),
&g->copy_seq_mask, &g->copy_seq_key);
&g->copy_seq_mask, &g->copy_seq_key, (char *)&g->vmname);
}
if ((setting =
config_setting_get_member(group, "secure_paste_sequence"))) {
parse_key_sequence(config_setting_get_string(setting),
&g->paste_seq_mask, &g->paste_seq_key);
&g->paste_seq_mask, &g->paste_seq_key, (char *)&g->vmname);
}

if ((setting =
Expand Down