1 | /* |
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2 | * Sun RPC is a product of Sun Microsystems, Inc. and is provided for |
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3 | * unrestricted use provided that this legend is included on all tape |
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4 | * media and as a part of the software program in whole or part. Users |
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5 | * may copy or modify Sun RPC without charge, but are not authorized |
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6 | * to license or distribute it to anyone else except as part of a product or |
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7 | * program developed by the user. |
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8 | * |
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9 | * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE |
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10 | * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR |
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11 | * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. |
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12 | * |
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13 | * Sun RPC is provided with no support and without any obligation on the |
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14 | * part of Sun Microsystems, Inc. to assist in its use, correction, |
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15 | * modification or enhancement. |
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16 | * |
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17 | * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE |
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18 | * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC |
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19 | * OR ANY PART THEREOF. |
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20 | * |
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21 | * In no event will Sun Microsystems, Inc. be liable for any lost revenue |
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22 | * or profits or other special, indirect and consequential damages, even if |
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23 | * Sun has been advised of the possibility of such damages. |
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24 | * |
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25 | * Sun Microsystems, Inc. |
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26 | * 2550 Garcia Avenue |
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27 | * Mountain View, California 94043 |
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28 | */ |
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29 | |
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30 | #if defined(LIBC_SCCS) && !defined(lint) |
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31 | /*static char *sccsid = "from: @(#)clnt_udp.c 1.39 87/08/11 Copyr 1984 Sun Micro";*/ |
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32 | /*static char *sccsid = "from: @(#)clnt_udp.c 2.2 88/08/01 4.0 RPCSRC";*/ |
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33 | static char *rcsid = "$FreeBSD: src/lib/libc/rpc/clnt_udp.c,v 1.15 2000/01/27 23:06:36 jasone Exp $"; |
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34 | #endif |
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35 | |
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36 | /* |
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37 | * clnt_udp.c, Implements a UDP/IP based, client side RPC. |
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38 | * |
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39 | * Copyright (C) 1984, Sun Microsystems, Inc. |
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40 | */ |
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41 | |
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42 | #include <stdio.h> |
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43 | #include <stdlib.h> |
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44 | #include <unistd.h> |
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45 | #include <string.h> |
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46 | #include <rpc/rpc.h> |
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47 | #include <sys/socket.h> |
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48 | #include <sys/ioctl.h> |
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49 | #include <netdb.h> |
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50 | #include <errno.h> |
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51 | #include <rpc/pmap_clnt.h> |
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52 | |
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53 | /* |
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54 | * UDP bases client side rpc operations |
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55 | */ |
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56 | static enum clnt_stat clntudp_call(); |
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57 | static void clntudp_abort(); |
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58 | static void clntudp_geterr(); |
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59 | static bool_t clntudp_freeres(); |
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60 | static bool_t clntudp_control(); |
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61 | static void clntudp_destroy(); |
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62 | |
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63 | static struct clnt_ops udp_ops = { |
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64 | clntudp_call, |
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65 | clntudp_abort, |
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66 | clntudp_geterr, |
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67 | clntudp_freeres, |
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68 | clntudp_destroy, |
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69 | clntudp_control |
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70 | }; |
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71 | |
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72 | /* |
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73 | * Private data kept per client handle |
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74 | */ |
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75 | struct cu_data { |
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76 | int cu_sock; |
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77 | bool_t cu_closeit; |
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78 | struct sockaddr_in cu_raddr; |
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79 | int cu_rlen; |
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80 | struct timeval cu_wait; |
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81 | struct timeval cu_total; |
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82 | struct rpc_err cu_error; |
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83 | XDR cu_outxdrs; |
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84 | u_int cu_xdrpos; |
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85 | u_int cu_sendsz; |
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86 | char *cu_outbuf; |
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87 | u_int cu_recvsz; |
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88 | char cu_inbuf[1]; |
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89 | }; |
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90 | |
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91 | /* |
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92 | * Create a UDP based client handle. |
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93 | * If *sockp<0, *sockp is set to a newly created UPD socket. |
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94 | * If raddr->sin_port is 0 a binder on the remote machine |
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95 | * is consulted for the correct port number. |
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96 | * NB: It is the clients responsibility to close *sockp. |
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97 | * NB: The rpch->cl_auth is initialized to null authentication. |
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98 | * Caller may wish to set this something more useful. |
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99 | * |
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100 | * wait is the amount of time used between retransmitting a call if |
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101 | * no response has been heard; retransmition occurs until the actual |
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102 | * rpc call times out. |
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103 | * |
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104 | * sendsz and recvsz are the maximum allowable packet sizes that can be |
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105 | * sent and received. |
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106 | */ |
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107 | CLIENT * |
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108 | clntudp_bufcreate(raddr, program, version, wait, sockp, sendsz, recvsz) |
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109 | struct sockaddr_in *raddr; |
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110 | u_long program; |
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111 | u_long version; |
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112 | struct timeval wait; |
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113 | register int *sockp; |
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114 | u_int sendsz; |
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115 | u_int recvsz; |
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116 | { |
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117 | CLIENT *cl; |
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118 | register struct cu_data *cu = NULL; |
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119 | struct timeval now; |
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120 | struct rpc_msg call_msg; |
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121 | static u_int32_t disrupt; |
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122 | |
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123 | if (disrupt == 0) |
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124 | disrupt = (u_int32_t)(long)raddr; |
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125 | |
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126 | cl = (CLIENT *)mem_alloc(sizeof(CLIENT)); |
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127 | if (cl == NULL) { |
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128 | (void) fprintf(stderr, "clntudp_create: out of memory\n"); |
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129 | rpc_createerr.cf_stat = RPC_SYSTEMERROR; |
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130 | rpc_createerr.cf_error.re_errno = errno; |
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131 | goto fooy; |
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132 | } |
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133 | sendsz = ((sendsz + 3) / 4) * 4; |
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134 | recvsz = ((recvsz + 3) / 4) * 4; |
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135 | cu = (struct cu_data *)mem_alloc(sizeof(*cu) + sendsz + recvsz); |
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136 | if (cu == NULL) { |
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137 | (void) fprintf(stderr, "clntudp_create: out of memory\n"); |
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138 | rpc_createerr.cf_stat = RPC_SYSTEMERROR; |
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139 | rpc_createerr.cf_error.re_errno = errno; |
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140 | goto fooy; |
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141 | } |
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142 | cu->cu_outbuf = &cu->cu_inbuf[recvsz]; |
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143 | |
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144 | (void)gettimeofday(&now, (struct timezone *)0); |
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145 | if (raddr->sin_port == 0) { |
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146 | u_short port; |
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147 | if ((port = |
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148 | pmap_getport(raddr, program, version, IPPROTO_UDP)) == 0) { |
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149 | goto fooy; |
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150 | } |
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151 | raddr->sin_port = htons(port); |
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152 | } |
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153 | cl->cl_ops = &udp_ops; |
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154 | cl->cl_private = (caddr_t)cu; |
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155 | cu->cu_raddr = *raddr; |
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156 | cu->cu_rlen = sizeof (cu->cu_raddr); |
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157 | cu->cu_wait = wait; |
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158 | cu->cu_total.tv_sec = -1; |
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159 | cu->cu_total.tv_usec = -1; |
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160 | cu->cu_sendsz = sendsz; |
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161 | cu->cu_recvsz = recvsz; |
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162 | call_msg.rm_xid = (++disrupt) ^ getpid() ^ now.tv_sec ^ now.tv_usec; |
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163 | call_msg.rm_direction = CALL; |
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164 | call_msg.rm_call.cb_rpcvers = RPC_MSG_VERSION; |
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165 | call_msg.rm_call.cb_prog = program; |
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166 | call_msg.rm_call.cb_vers = version; |
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167 | xdrmem_create(&(cu->cu_outxdrs), cu->cu_outbuf, |
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168 | sendsz, XDR_ENCODE); |
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169 | if (! xdr_callhdr(&(cu->cu_outxdrs), &call_msg)) { |
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170 | goto fooy; |
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171 | } |
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172 | cu->cu_xdrpos = XDR_GETPOS(&(cu->cu_outxdrs)); |
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173 | if (*sockp < 0) { |
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174 | int dontblock = 1; |
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175 | |
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176 | *sockp = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP); |
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177 | if (*sockp < 0) { |
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178 | rpc_createerr.cf_stat = RPC_SYSTEMERROR; |
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179 | rpc_createerr.cf_error.re_errno = errno; |
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180 | goto fooy; |
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181 | } |
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182 | /* attempt to bind to priv port */ |
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183 | (void)bindresvport(*sockp, (struct sockaddr_in *)0); |
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184 | /* the sockets rpc controls are non-blocking */ |
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185 | (void)ioctl(*sockp, FIONBIO, (char *) &dontblock); |
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186 | cu->cu_closeit = TRUE; |
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187 | } else { |
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188 | cu->cu_closeit = FALSE; |
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189 | } |
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190 | cu->cu_sock = *sockp; |
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191 | cl->cl_auth = authnone_create(); |
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192 | return (cl); |
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193 | fooy: |
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194 | if (cu) |
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195 | mem_free((caddr_t)cu, sizeof(*cu) + sendsz + recvsz); |
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196 | if (cl) |
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197 | mem_free((caddr_t)cl, sizeof(CLIENT)); |
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198 | return ((CLIENT *)NULL); |
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199 | } |
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200 | |
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201 | CLIENT * |
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202 | clntudp_create(raddr, program, version, wait, sockp) |
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203 | struct sockaddr_in *raddr; |
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204 | u_long program; |
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205 | u_long version; |
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206 | struct timeval wait; |
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207 | register int *sockp; |
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208 | { |
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209 | |
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210 | return(clntudp_bufcreate(raddr, program, version, wait, sockp, |
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211 | UDPMSGSIZE, UDPMSGSIZE)); |
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212 | } |
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213 | |
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214 | static enum clnt_stat |
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215 | clntudp_call(cl, proc, xargs, argsp, xresults, resultsp, utimeout) |
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216 | register CLIENT *cl; /* client handle */ |
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217 | u_long proc; /* procedure number */ |
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218 | xdrproc_t xargs; /* xdr routine for args */ |
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219 | caddr_t argsp; /* pointer to args */ |
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220 | xdrproc_t xresults; /* xdr routine for results */ |
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221 | caddr_t resultsp; /* pointer to results */ |
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222 | struct timeval utimeout; /* seconds to wait before giving up */ |
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223 | { |
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224 | register struct cu_data *cu = (struct cu_data *)cl->cl_private; |
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225 | register XDR *xdrs; |
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226 | register int outlen; |
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227 | register int inlen; |
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228 | int fromlen; |
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229 | fd_set *fds, readfds; |
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230 | struct sockaddr_in from; |
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231 | struct rpc_msg reply_msg; |
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232 | XDR reply_xdrs; |
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233 | struct timeval time_waited, start, after, tmp1, tmp2, tv; |
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234 | bool_t ok; |
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235 | int nrefreshes = 2; /* number of times to refresh cred */ |
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236 | struct timeval timeout; |
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237 | |
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238 | if (cu->cu_total.tv_usec == -1) |
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239 | timeout = utimeout; /* use supplied timeout */ |
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240 | else |
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241 | timeout = cu->cu_total; /* use default timeout */ |
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242 | |
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243 | if (cu->cu_sock + 1 > FD_SETSIZE) { |
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244 | int bytes = howmany(cu->cu_sock + 1, NFDBITS) * sizeof(fd_mask); |
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245 | fds = (fd_set *)malloc(bytes); |
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246 | if (fds == NULL) |
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247 | return (cu->cu_error.re_status = RPC_CANTSEND); |
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248 | memset(fds, 0, bytes); |
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249 | } else { |
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250 | fds = &readfds; |
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251 | FD_ZERO(fds); |
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252 | } |
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253 | |
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254 | timerclear(&time_waited); |
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255 | |
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256 | call_again: |
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257 | xdrs = &(cu->cu_outxdrs); |
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258 | xdrs->x_op = XDR_ENCODE; |
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259 | XDR_SETPOS(xdrs, cu->cu_xdrpos); |
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260 | /* |
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261 | * the transaction is the first thing in the out buffer |
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262 | */ |
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263 | (*(u_short *)(cu->cu_outbuf))++; |
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264 | if ((! XDR_PUTLONG(xdrs, (long *)&proc)) || |
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265 | (! AUTH_MARSHALL(cl->cl_auth, xdrs)) || |
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266 | (! (*xargs)(xdrs, argsp))) { |
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267 | if (fds != &readfds) |
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268 | free(fds); |
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269 | return (cu->cu_error.re_status = RPC_CANTENCODEARGS); |
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270 | } |
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271 | outlen = (int)XDR_GETPOS(xdrs); |
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272 | |
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273 | send_again: |
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274 | if (sendto(cu->cu_sock, cu->cu_outbuf, outlen, 0, |
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275 | (struct sockaddr *)&(cu->cu_raddr), cu->cu_rlen) != outlen) { |
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276 | cu->cu_error.re_errno = errno; |
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277 | if (fds != &readfds) |
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278 | free(fds); |
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279 | return (cu->cu_error.re_status = RPC_CANTSEND); |
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280 | } |
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281 | |
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282 | /* |
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283 | * Hack to provide rpc-based message passing |
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284 | */ |
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285 | if (!timerisset(&timeout)) { |
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286 | if (fds != &readfds) |
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287 | free(fds); |
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288 | return (cu->cu_error.re_status = RPC_TIMEDOUT); |
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289 | } |
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290 | /* |
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291 | * sub-optimal code appears here because we have |
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292 | * some clock time to spare while the packets are in flight. |
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293 | * (We assume that this is actually only executed once.) |
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294 | */ |
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295 | reply_msg.acpted_rply.ar_verf = _null_auth; |
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296 | reply_msg.acpted_rply.ar_results.where = resultsp; |
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297 | reply_msg.acpted_rply.ar_results.proc = xresults; |
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298 | |
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299 | gettimeofday(&start, NULL); |
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300 | for (;;) { |
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301 | /* XXX we know the other bits are still clear */ |
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302 | FD_SET(cu->cu_sock, fds); |
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303 | tv = cu->cu_wait; |
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304 | switch (select(cu->cu_sock+1, fds, NULL, NULL, &tv)) { |
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305 | |
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306 | case 0: |
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307 | timeradd(&time_waited, &cu->cu_wait, &tmp1); |
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308 | time_waited = tmp1; |
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309 | if (timercmp(&time_waited, &timeout, <)) |
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310 | goto send_again; |
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311 | if (fds != &readfds) |
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312 | free(fds); |
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313 | return (cu->cu_error.re_status = RPC_TIMEDOUT); |
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314 | |
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315 | case -1: |
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316 | if (errno == EINTR) { |
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317 | gettimeofday(&after, NULL); |
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318 | timersub(&after, &start, &tmp1); |
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319 | timeradd(&time_waited, &tmp1, &tmp2); |
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320 | time_waited = tmp2; |
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321 | if (timercmp(&time_waited, &timeout, <)) |
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322 | continue; |
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323 | if (fds != &readfds) |
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324 | free(fds); |
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325 | return (cu->cu_error.re_status = RPC_TIMEDOUT); |
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326 | } |
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327 | cu->cu_error.re_errno = errno; |
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328 | if (fds != &readfds) |
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329 | free(fds); |
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330 | return (cu->cu_error.re_status = RPC_CANTRECV); |
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331 | } |
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332 | |
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333 | do { |
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334 | fromlen = sizeof(struct sockaddr); |
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335 | inlen = recvfrom(cu->cu_sock, cu->cu_inbuf, |
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336 | (int) cu->cu_recvsz, 0, |
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337 | (struct sockaddr *)&from, &fromlen); |
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338 | } while (inlen < 0 && errno == EINTR); |
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339 | if (inlen < 0) { |
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340 | if (errno == EWOULDBLOCK) |
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341 | continue; |
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342 | cu->cu_error.re_errno = errno; |
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343 | if (fds != &readfds) |
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344 | free(fds); |
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345 | return (cu->cu_error.re_status = RPC_CANTRECV); |
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346 | } |
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347 | if (inlen < sizeof(u_int32_t)) |
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348 | continue; |
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349 | /* see if reply transaction id matches sent id */ |
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350 | if (*((u_int32_t *)(cu->cu_inbuf)) != *((u_int32_t *)(cu->cu_outbuf))) |
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351 | continue; |
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352 | /* we now assume we have the proper reply */ |
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353 | break; |
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354 | } |
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355 | |
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356 | /* |
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357 | * now decode and validate the response |
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358 | */ |
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359 | xdrmem_create(&reply_xdrs, cu->cu_inbuf, (u_int)inlen, XDR_DECODE); |
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360 | ok = xdr_replymsg(&reply_xdrs, &reply_msg); |
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361 | /* XDR_DESTROY(&reply_xdrs); save a few cycles on noop destroy */ |
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362 | if (ok) { |
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363 | _seterr_reply(&reply_msg, &(cu->cu_error)); |
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364 | if (cu->cu_error.re_status == RPC_SUCCESS) { |
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365 | if (! AUTH_VALIDATE(cl->cl_auth, |
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366 | &reply_msg.acpted_rply.ar_verf)) { |
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367 | cu->cu_error.re_status = RPC_AUTHERROR; |
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368 | cu->cu_error.re_why = AUTH_INVALIDRESP; |
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369 | } |
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370 | if (reply_msg.acpted_rply.ar_verf.oa_base != NULL) { |
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371 | xdrs->x_op = XDR_FREE; |
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372 | (void)xdr_opaque_auth(xdrs, |
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373 | &(reply_msg.acpted_rply.ar_verf)); |
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374 | } |
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375 | } /* end successful completion */ |
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376 | else { |
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377 | /* maybe our credentials need to be refreshed ... */ |
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378 | if (nrefreshes > 0 && AUTH_REFRESH(cl->cl_auth)) { |
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379 | nrefreshes--; |
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380 | goto call_again; |
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381 | } |
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382 | } /* end of unsuccessful completion */ |
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383 | } /* end of valid reply message */ |
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384 | else { |
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385 | /* |
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386 | * It's possible for xdr_replymsg() to fail partway |
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387 | * through its attempt to decode the result from the |
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388 | * server. If this happens, it will leave the reply |
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389 | * structure partially populated with dynamically |
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390 | * allocated memory. (This can happen if someone uses |
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391 | * clntudp_bufcreate() to create a CLIENT handle and |
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392 | * specifies a receive buffer size that is too small.) |
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393 | * This memory must be free()ed to avoid a leak. |
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394 | */ |
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395 | int op = reply_xdrs.x_op; |
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396 | reply_xdrs.x_op = XDR_FREE; |
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397 | xdr_replymsg(&reply_xdrs, &reply_msg); |
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398 | reply_xdrs.x_op = op; |
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399 | cu->cu_error.re_status = RPC_CANTDECODERES; |
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400 | } |
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401 | if (fds != &readfds) |
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402 | free(fds); |
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403 | return (cu->cu_error.re_status); |
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404 | } |
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405 | |
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406 | static void |
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407 | clntudp_geterr(cl, errp) |
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408 | CLIENT *cl; |
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409 | struct rpc_err *errp; |
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410 | { |
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411 | register struct cu_data *cu = (struct cu_data *)cl->cl_private; |
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412 | |
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413 | *errp = cu->cu_error; |
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414 | } |
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415 | |
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416 | |
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417 | static bool_t |
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418 | clntudp_freeres(cl, xdr_res, res_ptr) |
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419 | CLIENT *cl; |
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420 | xdrproc_t xdr_res; |
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421 | caddr_t res_ptr; |
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422 | { |
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423 | register struct cu_data *cu = (struct cu_data *)cl->cl_private; |
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424 | register XDR *xdrs = &(cu->cu_outxdrs); |
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425 | |
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426 | xdrs->x_op = XDR_FREE; |
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427 | return ((*xdr_res)(xdrs, res_ptr)); |
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428 | } |
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429 | |
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430 | static void |
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431 | clntudp_abort(/*h*/) |
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432 | /*CLIENT *h;*/ |
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433 | { |
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434 | } |
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435 | |
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436 | |
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437 | static bool_t |
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438 | clntudp_control(cl, request, info) |
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439 | CLIENT *cl; |
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440 | int request; |
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441 | char *info; |
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442 | { |
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443 | register struct cu_data *cu = (struct cu_data *)cl->cl_private; |
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444 | register struct timeval *tv; |
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445 | int len; |
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446 | |
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447 | switch (request) { |
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448 | case CLSET_FD_CLOSE: |
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449 | cu->cu_closeit = TRUE; |
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450 | break; |
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451 | case CLSET_FD_NCLOSE: |
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452 | cu->cu_closeit = FALSE; |
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453 | break; |
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454 | case CLSET_TIMEOUT: |
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455 | if (info == NULL) |
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456 | return(FALSE); |
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457 | tv = (struct timeval *)info; |
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458 | cu->cu_total.tv_sec = tv->tv_sec; |
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459 | cu->cu_total.tv_usec = tv->tv_usec; |
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460 | break; |
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461 | case CLGET_TIMEOUT: |
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462 | if (info == NULL) |
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463 | return(FALSE); |
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464 | *(struct timeval *)info = cu->cu_total; |
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465 | break; |
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466 | case CLSET_RETRY_TIMEOUT: |
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467 | if (info == NULL) |
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468 | return(FALSE); |
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469 | tv = (struct timeval *)info; |
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470 | cu->cu_wait.tv_sec = tv->tv_sec; |
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471 | cu->cu_wait.tv_usec = tv->tv_usec; |
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472 | break; |
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473 | case CLGET_RETRY_TIMEOUT: |
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474 | if (info == NULL) |
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475 | return(FALSE); |
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476 | *(struct timeval *)info = cu->cu_wait; |
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477 | break; |
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478 | case CLGET_SERVER_ADDR: |
---|
479 | if (info == NULL) |
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480 | return(FALSE); |
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481 | *(struct sockaddr_in *)info = cu->cu_raddr; |
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482 | break; |
---|
483 | case CLGET_FD: |
---|
484 | if (info == NULL) |
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485 | return(FALSE); |
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486 | *(int *)info = cu->cu_sock; |
---|
487 | break; |
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488 | case CLGET_XID: |
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489 | /* |
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490 | * use the knowledge that xid is the |
---|
491 | * first element in the call structure *. |
---|
492 | * This will get the xid of the PREVIOUS call |
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493 | */ |
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494 | if (info == NULL) |
---|
495 | return(FALSE); |
---|
496 | *(u_long *)info = ntohl(*(u_long *)cu->cu_outbuf); |
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497 | break; |
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498 | case CLSET_XID: |
---|
499 | /* This will set the xid of the NEXT call */ |
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500 | if (info == NULL) |
---|
501 | return(FALSE); |
---|
502 | *(u_long *)cu->cu_outbuf = htonl(*(u_long *)info - 1); |
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503 | /* decrement by 1 as clntudp_call() increments once */ |
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504 | case CLGET_VERS: |
---|
505 | /* |
---|
506 | * This RELIES on the information that, in the call body, |
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507 | * the version number field is the fifth field from the |
---|
508 | * begining of the RPC header. MUST be changed if the |
---|
509 | * call_struct is changed |
---|
510 | */ |
---|
511 | if (info == NULL) |
---|
512 | return(FALSE); |
---|
513 | *(u_long *)info = ntohl(*(u_long *)(cu->cu_outbuf + |
---|
514 | 4 * BYTES_PER_XDR_UNIT)); |
---|
515 | break; |
---|
516 | case CLSET_VERS: |
---|
517 | if (info == NULL) |
---|
518 | return(FALSE); |
---|
519 | *(u_long *)(cu->cu_outbuf + 4 * BYTES_PER_XDR_UNIT) |
---|
520 | = htonl(*(u_long *)info); |
---|
521 | break; |
---|
522 | case CLGET_PROG: |
---|
523 | /* |
---|
524 | * This RELIES on the information that, in the call body, |
---|
525 | * the program number field is the field from the |
---|
526 | * begining of the RPC header. MUST be changed if the |
---|
527 | * call_struct is changed |
---|
528 | */ |
---|
529 | if (info == NULL) |
---|
530 | return(FALSE); |
---|
531 | *(u_long *)info = ntohl(*(u_long *)(cu->cu_outbuf + |
---|
532 | 3 * BYTES_PER_XDR_UNIT)); |
---|
533 | break; |
---|
534 | case CLSET_PROG: |
---|
535 | if (info == NULL) |
---|
536 | return(FALSE); |
---|
537 | *(u_long *)(cu->cu_outbuf + 3 * BYTES_PER_XDR_UNIT) |
---|
538 | = htonl(*(u_long *)info); |
---|
539 | break; |
---|
540 | case CLGET_LOCAL_ADDR: |
---|
541 | len = sizeof(struct sockaddr); |
---|
542 | if (getsockname(cu->cu_sock, (struct sockaddr *)info, &len) <0) |
---|
543 | return(FALSE); |
---|
544 | break; |
---|
545 | case CLGET_SVC_ADDR: |
---|
546 | case CLSET_SVC_ADDR: |
---|
547 | case CLSET_PUSH_TIMOD: |
---|
548 | case CLSET_POP_TIMOD: |
---|
549 | default: |
---|
550 | return (FALSE); |
---|
551 | } |
---|
552 | return (TRUE); |
---|
553 | } |
---|
554 | |
---|
555 | static void |
---|
556 | clntudp_destroy(cl) |
---|
557 | CLIENT *cl; |
---|
558 | { |
---|
559 | register struct cu_data *cu = (struct cu_data *)cl->cl_private; |
---|
560 | |
---|
561 | if (cu->cu_closeit) { |
---|
562 | (void)_RPC_close(cu->cu_sock); |
---|
563 | } |
---|
564 | XDR_DESTROY(&(cu->cu_outxdrs)); |
---|
565 | mem_free((caddr_t)cu, (sizeof(*cu) + cu->cu_sendsz + cu->cu_recvsz)); |
---|
566 | mem_free((caddr_t)cl, sizeof(CLIENT)); |
---|
567 | } |
---|