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: @(#)pmap_clnt.c 1.37 87/08/11 Copyr 1984 Sun Micro";*/ |
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32 | /*static char *sccsid = "from: @(#)pmap_clnt.c 2.2 88/08/01 4.0 RPCSRC";*/ |
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33 | static char *rcsid = "$FreeBSD: src/lib/libc/rpc/pmap_clnt.c,v 1.11 2000/01/27 23:06:39 jasone Exp $"; |
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34 | #endif |
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35 | |
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36 | /* |
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37 | * pmap_clnt.c |
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38 | * Client interface to pmap rpc service. |
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39 | * |
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40 | * Copyright (C) 1984, Sun Microsystems, Inc. |
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41 | */ |
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42 | |
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43 | #include <sys/types.h> |
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44 | #include <sys/stat.h> |
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45 | #include <unistd.h> |
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46 | #include <rpc/rpc.h> |
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47 | #include <rpc/pmap_prot.h> |
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48 | #include <rpc/pmap_clnt.h> |
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49 | #include <netinet/in.h> |
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50 | |
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51 | static struct timeval timeout = { 5, 0 }; |
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52 | static struct timeval tottimeout = { 60, 0 }; |
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53 | |
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54 | void clnt_perror(); |
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55 | |
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56 | #ifndef PORTMAPSOCK |
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57 | #define PORTMAPSOCK "/var/run/portmapsock" |
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58 | #endif |
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59 | |
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60 | /* |
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61 | * Set a mapping between program,version and port. |
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62 | * Calls the pmap service remotely to do the mapping. |
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63 | */ |
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64 | bool_t |
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65 | pmap_set(program, version, protocol, port) |
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66 | u_long program; |
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67 | u_long version; |
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68 | int protocol; |
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69 | int port; /* was u_short but changed to match prototype */ |
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70 | { |
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71 | struct sockaddr_in myaddress; |
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72 | int socket = -1; |
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73 | register CLIENT *client; |
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74 | struct pmap parms; |
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75 | bool_t rslt; |
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76 | struct stat st; |
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77 | |
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78 | /* |
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79 | * Temporary hack for backwards compatibility. Eventually |
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80 | * this test will go away and we'll use only the "unix" transport. |
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81 | */ |
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82 | if (stat(PORTMAPSOCK, &st) == 0 && st.st_mode & S_IFSOCK) |
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83 | client = clnt_create(PORTMAPSOCK, PMAPPROG, PMAPVERS, "unix"); |
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84 | else { |
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85 | if (get_myaddress(&myaddress) != 0) |
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86 | return (FALSE); |
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87 | myaddress.sin_addr.s_addr = htonl(INADDR_LOOPBACK); |
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88 | client = clntudp_bufcreate(&myaddress, PMAPPROG, PMAPVERS, |
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89 | timeout, &socket, RPCSMALLMSGSIZE, RPCSMALLMSGSIZE); |
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90 | } |
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91 | |
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92 | if (client == (CLIENT *)NULL) |
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93 | return (FALSE); |
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94 | parms.pm_prog = program; |
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95 | parms.pm_vers = version; |
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96 | parms.pm_prot = protocol; |
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97 | parms.pm_port = port; |
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98 | if (CLNT_CALL(client, PMAPPROC_SET, xdr_pmap, &parms, xdr_bool, &rslt, |
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99 | tottimeout) != RPC_SUCCESS) { |
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100 | clnt_perror(client, "Cannot register service"); |
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101 | return (FALSE); |
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102 | } |
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103 | CLNT_DESTROY(client); |
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104 | if (socket != -1) |
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105 | (void)_RPC_close(socket); |
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106 | return (rslt); |
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107 | } |
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108 | |
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109 | /* |
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110 | * Remove the mapping between program,version and port. |
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111 | * Calls the pmap service remotely to do the un-mapping. |
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112 | */ |
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113 | bool_t |
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114 | pmap_unset(program, version) |
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115 | u_long program; |
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116 | u_long version; |
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117 | { |
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118 | struct sockaddr_in myaddress; |
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119 | int socket = -1; |
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120 | register CLIENT *client; |
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121 | struct pmap parms; |
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122 | bool_t rslt; |
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123 | struct stat st; |
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124 | |
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125 | /* |
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126 | * Temporary hack for backwards compatibility. Eventually |
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127 | * this test will go away and we'll use only the "unix" transport. |
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128 | */ |
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129 | if (stat(PORTMAPSOCK, &st) == 0 && st.st_mode & S_IFSOCK) |
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130 | client = clnt_create(PORTMAPSOCK, PMAPPROG, PMAPVERS, "unix"); |
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131 | else { |
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132 | if (get_myaddress(&myaddress) != 0) |
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133 | return (FALSE); |
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134 | myaddress.sin_addr.s_addr = htonl(INADDR_LOOPBACK); |
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135 | client = clntudp_bufcreate(&myaddress, PMAPPROG, PMAPVERS, |
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136 | timeout, &socket, RPCSMALLMSGSIZE, RPCSMALLMSGSIZE); |
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137 | } |
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138 | if (client == (CLIENT *)NULL) |
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139 | return (FALSE); |
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140 | parms.pm_prog = program; |
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141 | parms.pm_vers = version; |
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142 | parms.pm_port = parms.pm_prot = 0; |
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143 | CLNT_CALL(client, PMAPPROC_UNSET, xdr_pmap, &parms, xdr_bool, &rslt, |
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144 | tottimeout); |
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145 | CLNT_DESTROY(client); |
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146 | if (socket != -1) |
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147 | (void)_RPC_close(socket); |
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148 | return (rslt); |
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149 | } |
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