1 | #include <machine/rtems-bsd-user-space.h> |
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2 | |
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3 | /* $NetBSD: pmap_rmt.c,v 1.29 2000/07/06 03:10:34 christos Exp $ */ |
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4 | |
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5 | /*- |
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6 | * SPDX-License-Identifier: BSD-3-Clause |
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7 | * |
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8 | * Copyright (c) 2009, Sun Microsystems, Inc. |
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9 | * All rights reserved. |
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10 | * |
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11 | * Redistribution and use in source and binary forms, with or without |
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12 | * modification, are permitted provided that the following conditions are met: |
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13 | * - Redistributions of source code must retain the above copyright notice, |
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14 | * this list of conditions and the following disclaimer. |
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15 | * - Redistributions in binary form must reproduce the above copyright notice, |
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16 | * this list of conditions and the following disclaimer in the documentation |
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17 | * and/or other materials provided with the distribution. |
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18 | * - Neither the name of Sun Microsystems, Inc. nor the names of its |
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19 | * contributors may be used to endorse or promote products derived |
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20 | * from this software without specific prior written permission. |
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21 | * |
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22 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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23 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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24 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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25 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
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26 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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27 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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28 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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29 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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30 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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31 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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32 | * POSSIBILITY OF SUCH DAMAGE. |
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33 | */ |
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34 | |
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35 | #if defined(LIBC_SCCS) && !defined(lint) |
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36 | static char *sccsid2 = "@(#)pmap_rmt.c 1.21 87/08/27 Copyr 1984 Sun Micro"; |
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37 | static char *sccsid = "@(#)pmap_rmt.c 2.2 88/08/01 4.0 RPCSRC"; |
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38 | #endif |
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39 | #include <sys/cdefs.h> |
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40 | __FBSDID("$FreeBSD$"); |
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41 | |
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42 | /* |
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43 | * pmap_rmt.c |
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44 | * Client interface to pmap rpc service. |
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45 | * remote call and broadcast service |
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46 | * |
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47 | * Copyright (C) 1984, Sun Microsystems, Inc. |
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48 | */ |
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49 | |
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50 | #include "namespace.h" |
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51 | #include <sys/types.h> |
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52 | #include <sys/ioctl.h> |
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53 | #include <sys/poll.h> |
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54 | #include <sys/socket.h> |
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55 | |
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56 | #include <net/if.h> |
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57 | #include <netinet/in.h> |
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58 | #include <arpa/inet.h> |
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59 | |
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60 | #include <assert.h> |
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61 | #include <err.h> |
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62 | #include <errno.h> |
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63 | #include <stdio.h> |
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64 | #include <string.h> |
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65 | #include <unistd.h> |
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66 | |
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67 | #include <rpc/rpc.h> |
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68 | #include <rpc/pmap_prot.h> |
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69 | #include <rpc/pmap_clnt.h> |
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70 | #include <rpc/pmap_rmt.h> |
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71 | #include "un-namespace.h" |
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72 | |
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73 | static const struct timeval timeout = { 3, 0 }; |
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74 | |
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75 | /* |
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76 | * pmapper remote-call-service interface. |
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77 | * This routine is used to call the pmapper remote call service |
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78 | * which will look up a service program in the port maps, and then |
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79 | * remotely call that routine with the given parameters. This allows |
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80 | * programs to do a lookup and call in one step. |
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81 | */ |
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82 | enum clnt_stat |
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83 | pmap_rmtcall(struct sockaddr_in *addr, u_long prog, u_long vers, u_long proc, |
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84 | xdrproc_t xdrargs, caddr_t argsp, xdrproc_t xdrres, caddr_t resp, |
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85 | struct timeval tout, u_long *port_ptr) |
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86 | { |
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87 | int sock = -1; |
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88 | CLIENT *client; |
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89 | struct rmtcallargs a; |
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90 | struct rmtcallres r; |
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91 | enum clnt_stat stat; |
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92 | |
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93 | assert(addr != NULL); |
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94 | assert(port_ptr != NULL); |
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95 | |
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96 | addr->sin_port = htons(PMAPPORT); |
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97 | client = clntudp_create(addr, PMAPPROG, PMAPVERS, timeout, &sock); |
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98 | if (client != NULL) { |
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99 | a.prog = prog; |
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100 | a.vers = vers; |
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101 | a.proc = proc; |
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102 | a.args_ptr = argsp; |
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103 | a.xdr_args = xdrargs; |
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104 | r.port_ptr = port_ptr; |
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105 | r.results_ptr = resp; |
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106 | r.xdr_results = xdrres; |
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107 | stat = CLNT_CALL(client, (rpcproc_t)PMAPPROC_CALLIT, |
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108 | (xdrproc_t)xdr_rmtcall_args, &a, (xdrproc_t)xdr_rmtcallres, |
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109 | &r, tout); |
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110 | CLNT_DESTROY(client); |
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111 | } else { |
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112 | stat = RPC_FAILED; |
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113 | } |
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114 | addr->sin_port = 0; |
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115 | return (stat); |
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116 | } |
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117 | |
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118 | |
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119 | /* |
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120 | * XDR remote call arguments |
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121 | * written for XDR_ENCODE direction only |
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122 | */ |
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123 | bool_t |
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124 | xdr_rmtcall_args(XDR *xdrs, struct rmtcallargs *cap) |
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125 | { |
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126 | u_int lenposition, argposition, position; |
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127 | |
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128 | assert(xdrs != NULL); |
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129 | assert(cap != NULL); |
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130 | |
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131 | if (xdr_u_long(xdrs, &(cap->prog)) && |
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132 | xdr_u_long(xdrs, &(cap->vers)) && |
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133 | xdr_u_long(xdrs, &(cap->proc))) { |
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134 | lenposition = XDR_GETPOS(xdrs); |
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135 | if (! xdr_u_long(xdrs, &(cap->arglen))) |
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136 | return (FALSE); |
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137 | argposition = XDR_GETPOS(xdrs); |
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138 | if (! (*(cap->xdr_args))(xdrs, cap->args_ptr)) |
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139 | return (FALSE); |
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140 | position = XDR_GETPOS(xdrs); |
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141 | cap->arglen = (u_long)position - (u_long)argposition; |
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142 | XDR_SETPOS(xdrs, lenposition); |
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143 | if (! xdr_u_long(xdrs, &(cap->arglen))) |
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144 | return (FALSE); |
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145 | XDR_SETPOS(xdrs, position); |
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146 | return (TRUE); |
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147 | } |
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148 | return (FALSE); |
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149 | } |
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150 | |
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151 | /* |
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152 | * XDR remote call results |
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153 | * written for XDR_DECODE direction only |
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154 | */ |
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155 | bool_t |
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156 | xdr_rmtcallres(XDR *xdrs, struct rmtcallres *crp) |
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157 | { |
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158 | caddr_t port_ptr; |
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159 | |
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160 | assert(xdrs != NULL); |
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161 | assert(crp != NULL); |
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162 | |
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163 | port_ptr = (caddr_t)(void *)crp->port_ptr; |
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164 | if (xdr_reference(xdrs, &port_ptr, sizeof (u_long), |
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165 | (xdrproc_t)xdr_u_long) && xdr_u_long(xdrs, &crp->resultslen)) { |
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166 | crp->port_ptr = (u_long *)(void *)port_ptr; |
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167 | return ((*(crp->xdr_results))(xdrs, crp->results_ptr)); |
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168 | } |
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169 | return (FALSE); |
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170 | } |
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