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Commit 6d5d23b0 authored by Daniel P. Berrangé's avatar Daniel P. Berrangé
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io: cope with websock 'Connection' header having multiple values


The noVNC server sends a header "Connection: keep-alive, Upgrade" which
fails our simple equality test. Split the header on ',', trim whitespace
and then check for 'upgrade' token.

Reviewed-by: default avatarEric Blake <eblake@redhat.com>
Signed-off-by: default avatarDaniel P. Berrange <berrange@redhat.com>
parent 8dfd5f96
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......@@ -374,6 +374,9 @@ static void qio_channel_websock_handshake_process(QIOChannelWebsock *ioc,
size_t nhdrs = G_N_ELEMENTS(hdrs);
const char *protocols = NULL, *version = NULL, *key = NULL,
*host = NULL, *connection = NULL, *upgrade = NULL;
char **connectionv;
bool upgraded = false;
size_t i;
nhdrs = qio_channel_websock_extract_headers(ioc, buffer, hdrs, nhdrs, errp);
if (!nhdrs) {
......@@ -440,7 +443,16 @@ static void qio_channel_websock_handshake_process(QIOChannelWebsock *ioc,
goto bad_request;
}
if (strcasecmp(connection, QIO_CHANNEL_WEBSOCK_CONNECTION_UPGRADE) != 0) {
connectionv = g_strsplit(connection, ",", 0);
for (i = 0; connectionv != NULL && connectionv[i] != NULL; i++) {
g_strstrip(connectionv[i]);
if (strcasecmp(connectionv[i],
QIO_CHANNEL_WEBSOCK_CONNECTION_UPGRADE) == 0) {
upgraded = true;
}
}
g_strfreev(connectionv);
if (!upgraded) {
error_setg(errp, "No connection upgrade requested '%s'", connection);
goto bad_request;
}
......
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