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Diffstat (limited to 'ui/vnc.c')
-rw-r--r--ui/vnc.c37
1 files changed, 15 insertions, 22 deletions
diff --git a/ui/vnc.c b/ui/vnc.c
index 1871422e1d..785edf3af1 100644
--- a/ui/vnc.c
+++ b/ui/vnc.c
@@ -2535,6 +2535,18 @@ void start_client_init(VncState *vs)
vnc_read_when(vs, protocol_client_init, 1);
}
+static void authentication_failed(VncState *vs)
+{
+ vnc_write_u32(vs, 1); /* Reject auth */
+ if (vs->minor >= 8) {
+ static const char err[] = "Authentication failed";
+ vnc_write_u32(vs, sizeof(err));
+ vnc_write(vs, err, sizeof(err));
+ }
+ vnc_flush(vs);
+ vnc_client_error(vs);
+}
+
static void make_challenge(VncState *vs)
{
int i;
@@ -2609,14 +2621,7 @@ static int protocol_client_auth_vnc(VncState *vs, uint8_t *data, size_t len)
return 0;
reject:
- vnc_write_u32(vs, 1); /* Reject auth */
- if (vs->minor >= 8) {
- static const char err[] = "Authentication failed";
- vnc_write_u32(vs, sizeof(err));
- vnc_write(vs, err, sizeof(err));
- }
- vnc_flush(vs);
- vnc_client_error(vs);
+ authentication_failed(vs);
qcrypto_cipher_free(cipher);
return 0;
}
@@ -2638,13 +2643,7 @@ static int protocol_client_auth(VncState *vs, uint8_t *data, size_t len)
* must pick the one we sent. Verify this */
if (data[0] != vs->auth) { /* Reject auth */
trace_vnc_auth_reject(vs, vs->auth, (int)data[0]);
- vnc_write_u32(vs, 1);
- if (vs->minor >= 8) {
- static const char err[] = "Authentication failed";
- vnc_write_u32(vs, sizeof(err));
- vnc_write(vs, err, sizeof(err));
- }
- vnc_client_error(vs);
+ authentication_failed(vs);
} else { /* Accept requested auth */
trace_vnc_auth_start(vs, vs->auth);
switch (vs->auth) {
@@ -2673,13 +2672,7 @@ static int protocol_client_auth(VncState *vs, uint8_t *data, size_t len)
default: /* Should not be possible, but just in case */
trace_vnc_auth_fail(vs, vs->auth, "Unhandled auth method", "");
- vnc_write_u8(vs, 1);
- if (vs->minor >= 8) {
- static const char err[] = "Authentication failed";
- vnc_write_u32(vs, sizeof(err));
- vnc_write(vs, err, sizeof(err));
- }
- vnc_client_error(vs);
+ authentication_failed(vs);
}
}
return 0;