Add gp_rpc.x file

Created by Nico and prefixed by me to avoid conflicts with system headers.

1 files changed, 129 insertions, 0 deletions

diff --git a/x-files/gp_rpc.x b/x-files/gp_rpc.x
new file mode 100644
index 0000000..bed5cfe
--- /dev/null
+++ b/x-files/gp_rpc.x
@@ -0,0 +1,129 @@
+enum gp_rpc_auth_flavor {
+    GP_RPC_AUTH_NONE       = 0,
+    GP_RPC_AUTH_SYS        = 1,
+    GP_RPC_AUTH_SHORT      = 2,
+    GP_RPC_AUTH_DH         = 3,
+    GP_RPC_RPCSEC_GSS      = 6
+	/* and more to be defined */
+};
+
+struct gp_rpc_opaque_auth {
+    gp_rpc_auth_flavor flavor;
+    opaque body<400>;
+};
+
+enum gp_rpc_msg_type {
+    GP_RPC_CALL  = 0,
+    GP_RPC_REPLY = 1
+};
+
+enum gp_rpc_reply_status {
+    GP_RPC_MSG_ACCEPTED = 0,
+    GP_RPC_MSG_DENIED   = 1
+};
+
+enum gp_rpc_accept_status {
+    GP_RPC_SUCCESS       = 0, /* RPC executed successfully       */
+    GP_RPC_PROG_UNAVAIL  = 1, /* remote hasn't exported program  */
+    GP_RPC_PROG_MISMATCH = 2, /* remote can't support version #  */
+    GP_RPC_PROC_UNAVAIL  = 3, /* program can't support procedure */
+    GP_RPC_GARBAGE_ARGS  = 4, /* procedure can't decode params   */
+    GP_RPC_SYSTEM_ERR    = 5  /* e.g. memory allocation failure  */
+};
+
+enum gp_rpc_reject_status {
+    GP_RPC_RPC_MISMATCH = 0, /* RPC version number != 2          */
+    GP_RPC_AUTH_ERROR = 1    /* remote can't authenticate caller */
+};
+
+enum gp_rpc_auth_status {
+    GP_RPC_AUTH_OK           = 0,  /* success                        */
+    /*
+     * failed at remote end
+     */
+    GP_RPC_AUTH_BADCRED      = 1,  /* bad credential (seal broken)   */
+    GP_RPC_AUTH_REJECTEDCRED = 2,  /* client must begin new session  */
+    GP_RPC_AUTH_BADVERF      = 3,  /* bad verifier (seal broken)     */
+    GP_RPC_AUTH_REJECTEDVERF = 4,  /* verifier expired or replayed   */
+    GP_RPC_AUTH_TOOWEAK      = 5,  /* rejected for security reasons  */
+    /*
+     * failed locally
+     */
+    GP_RPC_AUTH_INVALIDRESP  = 6,  /* bogus response verifier        */
+    GP_RPC_AUTH_FAILED       = 7,  /* reason unknown                 */
+    /*
+     * AUTH_KERB errors; deprecated.  See [RFC2695]
+     */
+    GP_RPC_AUTH_KERB_GENERIC = 8,  /* kerberos generic error */
+    GP_RPC_AUTH_TIMEEXPIRE = 9,    /* time of credential expired */
+    GP_RPC_AUTH_TKT_FILE = 10,     /* problem with ticket file */
+    GP_RPC_AUTH_DECODE = 11,       /* can't decode authenticator */
+    GP_RPC_AUTH_NET_ADDR = 12,     /* wrong net address in ticket */
+    /*
+     * RPCSEC_GSS GSS related errors
+     */
+    GP_RPC_RPCSEC_GSS_CREDPROBLEM = 13, /* no credentials for user */
+    GP_RPC_RPCSEC_GSS_CTXPROBLEM = 14   /* problem with context */
+};
+
+struct gp_rpc_mismatch_info {
+    unsigned int low;
+    unsigned int high;
+};
+
+union gp_rpc_reply_union switch (gp_rpc_accept_status status) {
+    case GP_RPC_SUCCESS:
+	opaque results[0];
+	/*
+	 * procedure-specific results start here
+	 */
+    case GP_RPC_PROG_MISMATCH:
+	gp_rpc_mismatch_info mismatch_info;
+    default:
+	/*
+	 * Void.  Cases include PROG_UNAVAIL, PROC_UNAVAIL,
+	 * GARBAGE_ARGS, and SYSTEM_ERR.
+	 */
+	void;
+};
+
+struct gp_rpc_accepted_reply {
+    gp_rpc_opaque_auth verf;
+    gp_rpc_reply_union reply_data;
+};
+
+union gp_rpc_rejected_reply switch (gp_rpc_reject_status status) {
+    case GP_RPC_RPC_MISMATCH:
+	gp_rpc_mismatch_info mismatch_info;
+    case GP_RPC_AUTH_ERROR:
+	gp_rpc_auth_status status;
+};
+struct gp_rpc_call_header {
+    unsigned int rpcvers;       /* must be equal to two (2) */
+    unsigned int prog;
+    unsigned int vers;
+    unsigned int proc;
+    gp_rpc_opaque_auth cred;
+    gp_rpc_opaque_auth verf;
+    /* procedure-specific parameters start here */
+};
+
+union gp_rpc_reply_header switch (gp_rpc_reply_status status) {
+    case GP_RPC_MSG_ACCEPTED:
+	gp_rpc_accepted_reply accepted;
+    case GP_RPC_MSG_DENIED:
+	gp_rpc_rejected_reply rejected;
+};
+
+union gp_rpc_msg_union switch (gp_rpc_msg_type type) {
+    case GP_RPC_CALL:
+	gp_rpc_call_header chdr;
+    case GP_RPC_REPLY:
+	gp_rpc_reply_header rhdr;
+};
+
+struct gp_rpc_msg {
+    unsigned int xid;
+    gp_rpc_msg_union header;
+};
+