diff options
| author | Luke T. Shumaker <lukeshu@lukeshu.com> | 2025-04-09 03:19:22 -0600 |
|---|---|---|
| committer | Luke T. Shumaker <lukeshu@lukeshu.com> | 2025-04-13 13:00:58 -0600 |
| commit | 2eb287e707ed7efb8b77cb0fc9a90d7e24d06bc3 (patch) | |
| tree | 03dd68b85cb6faf245b2422cc111dc6894bffe95 /lib9p/srv.c | |
| parent | 2a9d1f54758988ce23fbd1e9da4f0ad28c0edcbf (diff) | |
lib9p: srv: Implement p9p version negotiation
I've spent enough time thinking about how I would implement this that I
should just get it out of my head and into the code.
Diffstat (limited to 'lib9p/srv.c')
| -rw-r--r-- | lib9p/srv.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/lib9p/srv.c b/lib9p/srv.c index 50e5dae..0a33e03 100644 --- a/lib9p/srv.c +++ b/lib9p/srv.c @@ -599,6 +599,9 @@ _HANDLER_PROTO(clunk); _HANDLER_PROTO(remove); _HANDLER_PROTO(stat); _HANDLER_PROTO(wstat); +#if CONFIG_9P_ENABLE_9P2000_p9p +_HANDLER_PROTO(openfd); +#endif #if CONFIG_9P_ENABLE_9P2000_e _HANDLER_PROTO(session); _HANDLER_PROTO(sread); @@ -621,6 +624,9 @@ static tmessage_handler tmessage_handlers[0x100] = { [LIB9P_TYP_Tremove] = (tmessage_handler)handle_Tremove, [LIB9P_TYP_Tstat] = (tmessage_handler)handle_Tstat, [LIB9P_TYP_Twstat] = (tmessage_handler)handle_Twstat, +#if CONFIG_9P_ENABLE_9P2000_p9p + [LIB9P_TYP_Topenfd] = (tmessage_handler)handle_Topenfd, +#endif #if CONFIG_9P_ENABLE_9P2000_e [LIB9P_TYP_Tsession] = (tmessage_handler)handle_Tsession, [LIB9P_TYP_Tsread] = (tmessage_handler)handle_Tsread, @@ -688,6 +694,11 @@ static void handle_Tversion(struct srv_req *ctx, '0' <= req->version.utf8[5] && req->version.utf8[5] <= '9' && (req->version.len == 6 || req->version.utf8[6] == '.')) { version = LIB9P_VER_9P2000; +#if CONFIG_9P_ENABLE_9P2000_p9p + struct lib9p_srv *srv = ctx->parent_sess->parent_conn->parent_srv; + if (srv->type_assert_unix && !LO_IS_NULL(srv->type_assert_unix(ctx->parent_sess->parent_conn->fd))) + version = LIB9P_VER_9P2000_p9p; +#endif #if CONFIG_9P_ENABLE_9P2000_u if (lib9p_str_eq(lib9p_str_sliceleft(req->version, 6), lib9p_str(".u"))) version = LIB9P_VER_9P2000_u; @@ -707,6 +718,10 @@ static void handle_Tversion(struct srv_req *ctx, } resp->version = lib9p_str((char *)lib9p_version_str(version)); /* cast to discard "const" qualifier */ +#if CONFIG_9P_ENABLE_9P2000_p9p + if (version == LIB9P_VER_9P2000_p9p) + resp->version = lib9p_str("9P2000"); +#endif resp->max_msg_size = (CONFIG_9P_SRV_MAX_MSG_SIZE < req->max_msg_size) ? CONFIG_9P_SRV_MAX_MSG_SIZE : req->max_msg_size; @@ -1223,6 +1238,17 @@ static void handle_Twstat(struct srv_req *ctx, LINUX_EOPNOTSUPP, "wstat not (yet?) implemented"); } +#if CONFIG_9P_ENABLE_9P2000_p9p +static void handle_Topenfd(struct srv_req *ctx, + struct lib9p_msg_Topenfd *req, + struct lib9p_msg_Ropenfd *resp) { + srv_handler_common(ctx, req, resp); + + lib9p_error(&ctx->basectx, + LINUX_EOPNOTSUPP, "openfd not (yet?) implemented"); +} +#endif + #if CONFIG_9P_ENABLE_9P2000_e static void handle_Tsession(struct srv_req *ctx, struct lib9p_msg_Tsession *req, |