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ws/protocol name: make a zero-length protocol name match any requested proto

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if an empty string as protocol name in struct libwebsocket_protocols is
specified, it will match any protocol the client requested.

A later FILTER_PROTOCOL_CONNECTION callback can then be used to sort out details, like
setting options in the user session structure based on the actual proto name.
This commit is contained in:
Michael Haberler 2014-08-10 02:37:43 +02:00
parent 3d7e4b4c9c
commit de3e7c913d
1 changed files with 10 additions and 0 deletions
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10
lib/server.c
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@ -395,6 +395,16 @@ int lws_handshake_server(struct libwebsocket_context *context,
while (context->protocols[n].callback) {
if (!wsi->protocol->name)
continue;
/* a zero-length protocol name always matches
* later, a FILTER_PROTOCOL_CONNECTION callback
* can sort out what to with the offered names
*/
if (*(wsi->protocol->name) == 0) {
lwsl_info("protocol wildcard match %d\n", n);
wsi->protocol = &context->protocols[n];
hit = 1;
break;
}
if (!strcmp(context->protocols[n].name,
protocol_name)) {
lwsl_info("prot match %d\n", n);