static bool_t Svctcp_recv(SVCXPRT * xprt, register struct rpc_msg *msg) { register struct tcp_conn *cd = (struct tcp_conn *)(xprt->xp_p1); register XDR *xdrs = &(cd->xdrs); xdrs->x_op = XDR_DECODE; (void)xdrrec_skiprecord(xdrs); if(xdr_callmsg(xdrs, msg)) { cd->x_id = msg->rm_xid; return (TRUE); } return (FALSE); }
static bool_t svctcp_recv (SVCXPRT *xprt, struct rpc_msg *msg) { struct tcp_conn *cd = (struct tcp_conn *) (xprt->xp_p1); XDR *xdrs = &(cd->xdrs); xdrs->x_op = XDR_DECODE; (void) xdrrec_skiprecord (xdrs); if (xdr_callmsg (xdrs, msg)) { cd->x_id = msg->rm_xid; return TRUE; } cd->strm_stat = XPRT_DIED; /* XXXX */ return FALSE; }
int CMReceiveMessage(int communicationDescriptor, void *message) { int retval = -1; if ( message == NULL ) return errno = EINVAL, -1; if ( CMInternalData.capacity < UINT_MAX && (unsigned int)communicationDescriptor >= CMInternalData.capacity) return errno = EINVAL, -1; CMCommunicationDescriptionContext *communicationContexts = CMInternalData.CMCommunicationContexts; CMCommunicationDescriptionContext *context = &(communicationContexts[communicationDescriptor]); if (context->communicationDescriptor != communicationDescriptor) return errno = EINVAL, -1; if (context->socket == -1) return errno = EINVAL, -1; if (context->converterf == NULL) return errno = EINVAL, -1; XDR *xdrs = &(context->xdrs); xdrs->x_op = XDR_DECODE; if ( xdrrec_skiprecord(xdrs) == (FALSE) ) return retval; if ( context->converterf(xdrs, message, 0) == (TRUE) ) retval = 0; return retval; }
static bool_t svcunix_recv (SVCXPRT *xprt, struct rpc_msg *msg) { struct unix_conn *cd = (struct unix_conn *) (xprt->xp_p1); XDR *xdrs = &(cd->xdrs); xdrs->x_op = XDR_DECODE; xdrrec_skiprecord (xdrs); if (xdr_callmsg (xdrs, msg)) { cd->x_id = msg->rm_xid; /* set up verifiers */ #ifdef SCM_CREDENTIALS msg->rm_call.cb_verf.oa_flavor = AUTH_UNIX; msg->rm_call.cb_verf.oa_base = (caddr_t) &cm; msg->rm_call.cb_verf.oa_length = sizeof (cm); #endif return TRUE; } cd->strm_stat = XPRT_DIED; /* XXXX */ return FALSE; }
static enum clnt_stat clnt_vc_call(CLIENT *cl, rpcproc_t proc, xdrproc_t xdr_args, void *args_ptr, xdrproc_t xdr_results, void *results_ptr, struct timeval timeout) { struct ct_data *ct = (struct ct_data *) cl->cl_private; XDR *xdrs = &(ct->ct_xdrs); struct rpc_msg reply_msg; u_int32_t x_id; u_int32_t *msg_x_id = &ct->ct_u.ct_mcalli; /* yuk */ bool_t shipnow; int refreshes = 2; sigset_t mask, newmask; int rpc_lock_value; bool_t reply_stat; assert(cl != NULL); sigfillset(&newmask); thr_sigsetmask(SIG_SETMASK, &newmask, &mask); mutex_lock(&clnt_fd_lock); while (vc_fd_locks[ct->ct_fd]) cond_wait(&vc_cv[ct->ct_fd], &clnt_fd_lock); if (__isthreaded) rpc_lock_value = 1; else rpc_lock_value = 0; vc_fd_locks[ct->ct_fd] = rpc_lock_value; mutex_unlock(&clnt_fd_lock); if (!ct->ct_waitset) { /* If time is not within limits, we ignore it. */ if (time_not_ok(&timeout) == FALSE) ct->ct_wait = timeout; } shipnow = (xdr_results == NULL && timeout.tv_sec == 0 && timeout.tv_usec == 0) ? FALSE : TRUE; call_again: xdrs->x_op = XDR_ENCODE; ct->ct_error.re_status = RPC_SUCCESS; x_id = ntohl(--(*msg_x_id)); if (cl->cl_auth->ah_cred.oa_flavor != RPCSEC_GSS) { if ((! XDR_PUTBYTES(xdrs, ct->ct_u.ct_mcallc, ct->ct_mpos)) || (! XDR_PUTINT32(xdrs, &proc)) || (! AUTH_MARSHALL(cl->cl_auth, xdrs)) || (! (*xdr_args)(xdrs, args_ptr))) { if (ct->ct_error.re_status == RPC_SUCCESS) ct->ct_error.re_status = RPC_CANTENCODEARGS; (void)xdrrec_endofrecord(xdrs, TRUE); release_fd_lock(ct->ct_fd, mask); return (ct->ct_error.re_status); } } else { *(uint32_t *) &ct->ct_u.ct_mcallc[ct->ct_mpos] = htonl(proc); if (! __rpc_gss_wrap(cl->cl_auth, ct->ct_u.ct_mcallc, ct->ct_mpos + sizeof(uint32_t), xdrs, xdr_args, args_ptr)) { if (ct->ct_error.re_status == RPC_SUCCESS) ct->ct_error.re_status = RPC_CANTENCODEARGS; (void)xdrrec_endofrecord(xdrs, TRUE); release_fd_lock(ct->ct_fd, mask); return (ct->ct_error.re_status); } } if (! xdrrec_endofrecord(xdrs, shipnow)) { release_fd_lock(ct->ct_fd, mask); return (ct->ct_error.re_status = RPC_CANTSEND); } if (! shipnow) { release_fd_lock(ct->ct_fd, mask); return (RPC_SUCCESS); } /* * Hack to provide rpc-based message passing */ if (timeout.tv_sec == 0 && timeout.tv_usec == 0) { release_fd_lock(ct->ct_fd, mask); return(ct->ct_error.re_status = RPC_TIMEDOUT); } /* * Keep receiving until we get a valid transaction id */ xdrs->x_op = XDR_DECODE; while (TRUE) { reply_msg.acpted_rply.ar_verf = _null_auth; reply_msg.acpted_rply.ar_results.where = NULL; reply_msg.acpted_rply.ar_results.proc = (xdrproc_t)xdr_void; if (! xdrrec_skiprecord(xdrs)) { release_fd_lock(ct->ct_fd, mask); return (ct->ct_error.re_status); } /* now decode and validate the response header */ if (! xdr_replymsg(xdrs, &reply_msg)) { if (ct->ct_error.re_status == RPC_SUCCESS) continue; release_fd_lock(ct->ct_fd, mask); return (ct->ct_error.re_status); } if (reply_msg.rm_xid == x_id) break; } /* * process header */ _seterr_reply(&reply_msg, &(ct->ct_error)); if (ct->ct_error.re_status == RPC_SUCCESS) { if (! AUTH_VALIDATE(cl->cl_auth, &reply_msg.acpted_rply.ar_verf)) { ct->ct_error.re_status = RPC_AUTHERROR; ct->ct_error.re_why = AUTH_INVALIDRESP; } else { if (cl->cl_auth->ah_cred.oa_flavor != RPCSEC_GSS) { reply_stat = (*xdr_results)(xdrs, results_ptr); } else { reply_stat = __rpc_gss_unwrap(cl->cl_auth, xdrs, xdr_results, results_ptr); } if (! reply_stat) { if (ct->ct_error.re_status == RPC_SUCCESS) ct->ct_error.re_status = RPC_CANTDECODERES; } } /* free verifier ... */ if (reply_msg.acpted_rply.ar_verf.oa_base != NULL) { xdrs->x_op = XDR_FREE; (void)xdr_opaque_auth(xdrs, &(reply_msg.acpted_rply.ar_verf)); } } /* end successful completion */ else { /* maybe our credentials need to be refreshed ... */ if (refreshes-- && AUTH_REFRESH(cl->cl_auth, &reply_msg)) goto call_again; } /* end of unsuccessful completion */ release_fd_lock(ct->ct_fd, mask); return (ct->ct_error.re_status); }
static enum clnt_stat clnttcp_call(CLIENT *h, u_long proc, xdrproc_t xdr_args, caddr_t args_ptr, xdrproc_t xdr_results, caddr_t results_ptr, struct timeval timeout) { struct ct_data *ct = (struct ct_data *) h->cl_private; XDR *xdrs = &(ct->ct_xdrs); struct rpc_msg reply_msg; u_long x_id; u_int32_t *msg_x_id = (u_int32_t *)(ct->ct_mcall); /* yuk */ bool_t shipnow; int refreshes = 2; if (!ct->ct_waitset) { ct->ct_wait = timeout; } shipnow = (xdr_results == NULL && timeout.tv_sec == 0 && timeout.tv_usec == 0) ? FALSE : TRUE; call_again: xdrs->x_op = XDR_ENCODE; ct->ct_error.re_status = RPC_SUCCESS; x_id = ntohl(--(*msg_x_id)); if ((! XDR_PUTBYTES(xdrs, ct->ct_mcall, ct->ct_mpos)) || (! XDR_PUTLONG(xdrs, (long *)&proc)) || (! AUTH_MARSHALL(h->cl_auth, xdrs)) || (! (*xdr_args)(xdrs, args_ptr))) { if (ct->ct_error.re_status == RPC_SUCCESS) ct->ct_error.re_status = RPC_CANTENCODEARGS; (void)xdrrec_endofrecord(xdrs, TRUE); return (ct->ct_error.re_status); } if (! xdrrec_endofrecord(xdrs, shipnow)) return (ct->ct_error.re_status = RPC_CANTSEND); if (! shipnow) return (RPC_SUCCESS); /* * Hack to provide rpc-based message passing */ if (timeout.tv_sec == 0 && timeout.tv_usec == 0) { return(ct->ct_error.re_status = RPC_TIMEDOUT); } /* * Keep receiving until we get a valid transaction id */ xdrs->x_op = XDR_DECODE; while (TRUE) { reply_msg.acpted_rply.ar_verf = _null_auth; reply_msg.acpted_rply.ar_results.where = NULL; reply_msg.acpted_rply.ar_results.proc = xdr_void; if (! xdrrec_skiprecord(xdrs)) return (ct->ct_error.re_status); /* now decode and validate the response header */ if (! xdr_replymsg(xdrs, &reply_msg)) { if (ct->ct_error.re_status == RPC_SUCCESS) continue; return (ct->ct_error.re_status); } if (reply_msg.rm_xid == x_id) break; } /* * process header */ _seterr_reply(&reply_msg, &(ct->ct_error)); if (ct->ct_error.re_status == RPC_SUCCESS) { if (! AUTH_VALIDATE(h->cl_auth, &reply_msg.acpted_rply.ar_verf)) { ct->ct_error.re_status = RPC_AUTHERROR; ct->ct_error.re_why = AUTH_INVALIDRESP; } else if (! (*xdr_results)(xdrs, results_ptr)) { if (ct->ct_error.re_status == RPC_SUCCESS) ct->ct_error.re_status = RPC_CANTDECODERES; } /* free verifier ... */ if (reply_msg.acpted_rply.ar_verf.oa_base != NULL) { xdrs->x_op = XDR_FREE; (void)xdr_opaque_auth(xdrs, &(reply_msg.acpted_rply.ar_verf)); } } /* end successful completion */ else { /* maybe our credentials need to be refreshed ... */ if (refreshes-- && AUTH_REFRESH(h->cl_auth)) goto call_again; } /* end of unsuccessful completion */ return (ct->ct_error.re_status); }
static enum clnt_stat clnt_vc_call( CLIENT *h, rpcproc_t proc, xdrproc_t xdr_args, const char *args_ptr, xdrproc_t xdr_results, caddr_t results_ptr, struct timeval timeout ) { struct ct_data *ct; XDR *xdrs; struct rpc_msg reply_msg; u_int32_t x_id; u_int32_t *msg_x_id; bool_t shipnow; int refreshes = 2; #ifdef _REENTRANT sigset_t mask, newmask; #endif _DIAGASSERT(h != NULL); ct = (struct ct_data *) h->cl_private; #ifdef _REENTRANT __clnt_sigfillset(&newmask); thr_sigsetmask(SIG_SETMASK, &newmask, &mask); mutex_lock(&clnt_fd_lock); while (vc_fd_locks[ct->ct_fd]) cond_wait(&vc_cv[ct->ct_fd], &clnt_fd_lock); vc_fd_locks[ct->ct_fd] = __rpc_lock_value; mutex_unlock(&clnt_fd_lock); #endif xdrs = &(ct->ct_xdrs); msg_x_id = &ct->ct_u.ct_mcalli; if (!ct->ct_waitset) { if (time_not_ok(&timeout) == FALSE) ct->ct_wait = timeout; } shipnow = (xdr_results == NULL && timeout.tv_sec == 0 && timeout.tv_usec == 0) ? FALSE : TRUE; call_again: xdrs->x_op = XDR_ENCODE; ct->ct_error.re_status = RPC_SUCCESS; x_id = ntohl(--(*msg_x_id)); if ((! XDR_PUTBYTES(xdrs, ct->ct_u.ct_mcallc, ct->ct_mpos)) || (! XDR_PUTINT32(xdrs, (int32_t *)&proc)) || (! AUTH_MARSHALL(h->cl_auth, xdrs)) || (! (*xdr_args)(xdrs, __UNCONST(args_ptr)))) { if (ct->ct_error.re_status == RPC_SUCCESS) ct->ct_error.re_status = RPC_CANTENCODEARGS; (void)xdrrec_endofrecord(xdrs, TRUE); release_fd_lock(ct->ct_fd, mask); return (ct->ct_error.re_status); } if (! xdrrec_endofrecord(xdrs, shipnow)) { release_fd_lock(ct->ct_fd, mask); return (ct->ct_error.re_status = RPC_CANTSEND); } if (! shipnow) { release_fd_lock(ct->ct_fd, mask); return (RPC_SUCCESS); } /* * Hack to provide rpc-based message passing */ if (timeout.tv_sec == 0 && timeout.tv_usec == 0) { release_fd_lock(ct->ct_fd, mask); return(ct->ct_error.re_status = RPC_TIMEDOUT); } /* * Keep receiving until we get a valid transaction id */ xdrs->x_op = XDR_DECODE; for (;;) { reply_msg.acpted_rply.ar_verf = _null_auth; reply_msg.acpted_rply.ar_results.where = NULL; reply_msg.acpted_rply.ar_results.proc = (xdrproc_t)xdr_void; if (! xdrrec_skiprecord(xdrs)) { release_fd_lock(ct->ct_fd, mask); return (ct->ct_error.re_status); } /* now decode and validate the response header */ if (! xdr_replymsg(xdrs, &reply_msg)) { if (ct->ct_error.re_status == RPC_SUCCESS) continue; release_fd_lock(ct->ct_fd, mask); return (ct->ct_error.re_status); } if (reply_msg.rm_xid == x_id) break; } /* * process header */ _seterr_reply(&reply_msg, &(ct->ct_error)); if (ct->ct_error.re_status == RPC_SUCCESS) { if (! AUTH_VALIDATE(h->cl_auth, &reply_msg.acpted_rply.ar_verf)) { ct->ct_error.re_status = RPC_AUTHERROR; ct->ct_error.re_why = AUTH_INVALIDRESP; } else if (! (*xdr_results)(xdrs, results_ptr)) { if (ct->ct_error.re_status == RPC_SUCCESS) ct->ct_error.re_status = RPC_CANTDECODERES; } /* free verifier ... */ if (reply_msg.acpted_rply.ar_verf.oa_base != NULL) { xdrs->x_op = XDR_FREE; (void)xdr_opaque_auth(xdrs, &(reply_msg.acpted_rply.ar_verf)); } } /* end successful completion */ else { /* maybe our credentials need to be refreshed ... */ if (refreshes-- && AUTH_REFRESH(h->cl_auth)) goto call_again; } /* end of unsuccessful completion */ release_fd_lock(ct->ct_fd, mask); return (ct->ct_error.re_status); }
/* * ndmp_recv_msg * * Read the next message. * * Parameters: * connection (input) - connection pointer. * msg (output) - received message. * * Returns: * 0 - Message successfully received. * error number - Message related error. * -1 - Error decoding the message header. */ static int ndmp_recv_msg(ndmp_connection_t *connection) { bool_t(*xdr_func) (XDR *, ...) = NULL; /* Decode the header. */ connection->conn_xdrs.x_op = XDR_DECODE; (void) xdrrec_skiprecord(&connection->conn_xdrs); if (!xdr_ndmp_header(&connection->conn_xdrs, &connection->conn_msginfo.mi_hdr)) return (-1); /* Lookup info necessary for processing this message. */ if ((connection->conn_msginfo.mi_handler = ndmp_get_handler(connection, connection->conn_msginfo.mi_hdr.message)) == 0) { NDMP_LOG(LOG_DEBUG, "Message 0x%x not supported", connection->conn_msginfo.mi_hdr.message); return (NDMP_NOT_SUPPORTED_ERR); } connection->conn_msginfo.mi_body = 0; if (connection->conn_msginfo.mi_hdr.error != NDMP_NO_ERR) return (0); /* Determine body type */ if (connection->conn_msginfo.mi_hdr.message_type == NDMP_MESSAGE_REQUEST) { if (ndmp_check_auth_required( connection->conn_msginfo.mi_hdr.message) && !connection->conn_authorized) { NDMP_LOG(LOG_DEBUG, "Processing request 0x%x:connection not authorized", connection->conn_msginfo.mi_hdr.message); return (NDMP_NOT_AUTHORIZED_ERR); } if (connection->conn_msginfo.mi_handler->mh_sizeof_request > 0) { xdr_func = connection->conn_msginfo.mi_handler->mh_xdr_request; if (xdr_func == NULL) { NDMP_LOG(LOG_DEBUG, "Processing request 0x%x: no xdr function " "in handler table", connection->conn_msginfo.mi_hdr.message); return (NDMP_NOT_SUPPORTED_ERR); } connection->conn_msginfo.mi_body = ndmp_malloc( connection->conn_msginfo.mi_handler-> mh_sizeof_request); if (connection->conn_msginfo.mi_body == NULL) return (NDMP_NO_MEM_ERR); (void) memset(connection->conn_msginfo.mi_body, 0, connection->conn_msginfo.mi_handler-> mh_sizeof_request); } } else { if (connection->conn_msginfo.mi_handler->mh_sizeof_reply > 0) { xdr_func = connection->conn_msginfo.mi_handler->mh_xdr_reply; if (xdr_func == NULL) { NDMP_LOG(LOG_DEBUG, "Processing reply 0x%x: no xdr function " "in handler table", connection->conn_msginfo.mi_hdr.message); return (NDMP_NOT_SUPPORTED_ERR); } connection->conn_msginfo.mi_body = ndmp_malloc( connection->conn_msginfo.mi_handler-> mh_sizeof_reply); if (connection->conn_msginfo.mi_body == NULL) return (NDMP_NO_MEM_ERR); (void) memset(connection->conn_msginfo.mi_body, 0, connection->conn_msginfo.mi_handler-> mh_sizeof_reply); } } /* Decode message arguments if needed */ if (xdr_func) { if (!(*xdr_func)(&connection->conn_xdrs, connection->conn_msginfo.mi_body)) { NDMP_LOG(LOG_DEBUG, "Processing message 0x%x: error decoding arguments", connection->conn_msginfo.mi_hdr.message); free(connection->conn_msginfo.mi_body); connection->conn_msginfo.mi_body = 0; return (NDMP_XDR_DECODE_ERR); } } return (0); }
bool_t P_xdrrec_skiprecord(XDR*x) { return (xdrrec_skiprecord(x));}
static enum clnt_stat clnttcp_call( CLIENT *h, rpcproc_t proc, xdrproc_t xdr_args, void * args_ptr, xdrproc_t xdr_results, void * results_ptr, struct timeval timeout) { struct ct_data *ct = h->cl_private; XDR *xdrs = &ct->ct_xdrs; struct rpc_msg reply_msg; uint32_t x_id; uint32_t *msg_x_id = &ct->ct_u.ct_mcalli; /* yuk */ bool_t shipnow; int refreshes = 2; long procl = proc; if (!ct->ct_waitset) { ct->ct_wait = timeout; } shipnow = (xdr_results == (xdrproc_t)0 && timeout.tv_sec == 0 && timeout.tv_usec == 0) ? FALSE : TRUE; call_again: xdrs->x_op = XDR_ENCODE; ct->ct_error.re_status = RPC_SUCCESS; x_id = ntohl(--(*msg_x_id)); if ((! XDR_PUTBYTES(xdrs, ct->ct_u.ct_mcall, ct->ct_mpos)) || (! XDR_PUTLONG(xdrs, &procl)) || (! AUTH_MARSHALL(h->cl_auth, xdrs)) || (! AUTH_WRAP(h->cl_auth, xdrs, xdr_args, args_ptr))) { if (ct->ct_error.re_status == RPC_SUCCESS) ct->ct_error.re_status = RPC_CANTENCODEARGS; (void)xdrrec_endofrecord(xdrs, TRUE); return (ct->ct_error.re_status); } if (! xdrrec_endofrecord(xdrs, shipnow)) return (ct->ct_error.re_status = RPC_CANTSEND); if (! shipnow) return (RPC_SUCCESS); /* * Hack to provide rpc-based message passing */ if (timeout.tv_sec == 0 && timeout.tv_usec == 0) { return(ct->ct_error.re_status = RPC_TIMEDOUT); } /* * Keep receiving until we get a valid transaction id */ xdrs->x_op = XDR_DECODE; while (TRUE) { reply_msg.acpted_rply.ar_verf = gssrpc__null_auth; reply_msg.acpted_rply.ar_results.where = NULL; reply_msg.acpted_rply.ar_results.proc = xdr_void; if (! xdrrec_skiprecord(xdrs)) return (ct->ct_error.re_status); /* now decode and validate the response header */ if (! xdr_replymsg(xdrs, &reply_msg)) { /* * Free some stuff allocated by xdr_replymsg() * to avoid leaks, since it may allocate * memory from partially successful decodes. */ enum xdr_op op = xdrs->x_op; xdrs->x_op = XDR_FREE; xdr_replymsg(xdrs, &reply_msg); xdrs->x_op = op; if (ct->ct_error.re_status == RPC_SUCCESS) continue; return (ct->ct_error.re_status); } if (reply_msg.rm_xid == x_id) break; } /* * process header */ gssrpc__seterr_reply(&reply_msg, &(ct->ct_error)); if (ct->ct_error.re_status == RPC_SUCCESS) { if (! AUTH_VALIDATE(h->cl_auth, &reply_msg.acpted_rply.ar_verf)) { ct->ct_error.re_status = RPC_AUTHERROR; ct->ct_error.re_why = AUTH_INVALIDRESP; } else if (! AUTH_UNWRAP(h->cl_auth, xdrs, xdr_results, results_ptr)) { if (ct->ct_error.re_status == RPC_SUCCESS) ct->ct_error.re_status = RPC_CANTDECODERES; } } /* end successful completion */ else { /* maybe our credentials need to be refreshed ... */ if (refreshes-- && AUTH_REFRESH(h->cl_auth, &reply_msg)) goto call_again; } /* end of unsuccessful completion */ /* free verifier ... */ if ((reply_msg.rm_reply.rp_stat == MSG_ACCEPTED) && (reply_msg.acpted_rply.ar_verf.oa_base != NULL)) { xdrs->x_op = XDR_FREE; (void)xdr_opaque_auth(xdrs, &(reply_msg.acpted_rply.ar_verf)); } return (ct->ct_error.re_status); }