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1 $FreeBSD: stable/6/lib/libc/rpc/README 74462 2001-03-19 12:50:13Z alfred $ 2 3 PLEASE READ THE DISCLAIMER FILE. DO NOT CALL THE SUN MICROSYSTEMS SUPPORT 4 LINE WITH QUESTIONS ON THIS RELEASE. THEY CANNOT ANSWER QUESTIONS ABOUT THIS 5 UNSUPPORTED SOURCE RELEASE. 6 7 TIRPCSRC 2.3 29 Aug 1994 8 9 This distribution contains SunSoft's implementation of transport-independent 10 RPC (TI-RPC), External Data Representation (XDR), and various utilities and 11 documentation. These libraries and programs form the base of Open Network 12 Computing (ONC), and are derived directly from the Solaris 2.3 source. 13 14 Previous releases of RPC Source based on SunOS 4.x were ported to 4.2BSD and 15 used Sockets as the transport interface. These versions were 16 transport-specific RPC (TS-RPC). 17 18 TI-RPC is an enhanced version of TS-RPC that requires the UNIX System V 19 Transport Layer Interface (TLI) or an equivalent X/Open Transport Interface 20 (XTI). TI-RPC is on-the-wire compatible with the TS-RPC, which is supported 21 by almost 70 vendors on all major operating systems. TS-RPC source code 22 (RPCSRC 4.0) remains available from several internet sites. 23 24 This release is a native source release, that is, it is compatible for 25 building on Solaris 2.3. This release was built on Solaris 2.3 using SunPro 26 SPARCompiler 2.0.1. 27 28 Solaris 2.3 is based on System V, Release 4 (SVR4), and while this release 29 should be mostly compatible with other SVR4 systems, some Solaris facilities 30 that are assumed may not be available. In particular, this release uses the 31 Makefile format supported by SparcCompiler 2.0.1. Second, the Secure RPC 32 routines use the Solaris Name Service Switch to access public-key credential 33 databases. This code will need to be ported if your system does not support 34 the Name Service Switch. Finally, this release uses the synchronization 35 interfaces of UI Threads to make certain interfaces thread-safe. These 36 interfaces are found in libthread in Solaris 2.3 and later. 37 38 Applications linked with this release's librpc must link with the United 39 States domestic version of libcrypt in order to resolve the cbc_crypt() and 40 ecb_crypt() functions. These routines are used with Secure RPC however all 41 RPC programs that link with this release's librpc will need to link with the 42 domestic libcrypt. Note that the Solaris 2.3 Encryption Kit is only available 43 within the United States. (PLEASE NOTE: The RPC implementation found in 44 Solaris 2.3's libnsl does *not* have this requirement; linking with libcrypt 45 is only a requirement for the TIRPCSRC 2.3 version of librpc.) 46 47 48 DOCUMENTATION NOTE 49 50 The documentation found in the doc directory are derived from the Solaris 2.3 51 Network Interfaces Programming Guide. A small number of compile examples are 52 given, and these use libnsl to link in the RPC library. This release builds 53 the RPC library as librpc. To use this release's librpc, use the link command 54 "-lrpc -lnsl -lcrypt". This links the application with TIRPCSRC 2.3's librpc 55 for RPC routines, Solaris's libnsl for other networking functions, and 56 libcrypt for the cbc_crypt() and ecb_crypt functions. 57 58 59 WHY IS THIS RELEASE BEING DONE? 60 61 This release is being distributed to make the Sun implementation of the ONC 62 technologies available for reference and porting to non-Solaris platforms. 63 The current release is a native source distribution, and provides services 64 that are already available on Solaris 2.3 (such as the RPC headers, the RPC 65 library in libnsl, rpcbind, rpcinfo, etc.). It is not our intention to 66 replace these services. See the DISCLAIMER for further information about the 67 legal status of this release. 68 69 70 WHAT'S NEW IN THIS RELEASE: TIRPCSRC 2.3 71 72 The previous release was TIRPCSRC 2.0. 73 74 1. This release is based on Solaris 2.3. The previous release was 75 based on Solaris 2.0. This release contains a siginificant number of 76 bug fixes and other enhancements over TIRPCSRC 2.0. 77 78 2. The RPC library is thread safe for all client-side interfaces 79 (clnt_create, clnt_call, etc.). The server-side interfaces 80 (svc_create, svc_run, etc.) are not thread safe in this release. The 81 server-side interfaces will be made thread safe in the next release of 82 TIRPCSRC. Please see the manual pages for details about which 83 interfaces are thread safe. 84 85 3. As part of the work to make the RPC library thread-safe, rpcgen has 86 been enhanced to generate thread-safe RPC stubs (the -M option). Note 87 that this modifies the call-signature for the stub functions; the 88 procedure calling the RPC stub must now pass to the stub a pointer to 89 an allocated structure where results will be placed by the stub. See 90 the rpcgen manual page and the rpcgen Programming Guide for details. 91 92 4. The Remote Asynchronous Calls (RAC) library is now included. RAC was 93 first introduced in TIRPCSRC 1.0, and was bundled with librpc. It is 94 now a separate library. The asynchronous call model that RAC provides 95 can be achieved by using threads for making client-side RPC calls. 96 The ONC Technology group recommends using threads (where possible) to 97 achieve asynchrony rather than RAC. See the rpc_rac(3n) manual page 98 for details. 99 100 101 ROADMAP 102 103 The directory hierarchy is as follows: 104 105 cmd/ Utilities 106 cmd/rpcgen The RPC Language compiler (for .x files) 107 cmd/rpcbind The RPC bindery and portmapper 108 cmd/rpcinfo RPC bindery query utility 109 cmd/keyserv The Secure RPC keyserver 110 cmd/demo Some simple ONC demo services 111 112 doc/ Postscript versions of ONC documentation 113 114 head/ Header files 115 head/rpcsvc RPCL (.x) specifications for various ONC services, and 116 header files. 117 118 lib/ Libraries 119 lib/librpc The RPC and XDR library 120 lib/librac The Remote Asynchronous Calls (RAC) library 121 122 man/ Manual pages for the RPC library and utilities. 123 124 uts/common/rpc RPC header files 125 126 127 128 BUILD INSTRUCTIONS 129 130 Prior to building the release, you must define the SRC environment variable 131 to be the path to the top-level Makefile. For example, if /usr/src/tirpcsrc 132 is where to top-level Makefile is located, execute this command prior to 133 building the release: 134 135 setenv SRC /usr/src/tirpcsrc (csh) 136 or 137 SRC=/usr/src/tirpcsrc; export SRC (sh) 138 139 The sources in the lib directory depend on header files installed from head 140 and uts/common/rpc, and the programs in the cmd directory depend on libraries 141 from lib. Therefore, you should do a "make install" to build the release. 142 143 The top-level Makefile builds the release. The "ROOT" macro defines where the 144 headers and libraries are installed. The default for ROOT is "/proto". You 145 may change this by either modifiying Makefile.master, or issuing the build 146 command with a new definition for ROOT: 147 148 make install ROOT=/opt/onc 149 150 You will of course need write privileges for the destination directory. 151 The headers, libraries and executables will be built and installed under the 152 ROOT. 153 154 155 The demonstration services in the demo directory are not built by the 156 top-level "make install" command. To build these, cd to the cmd/demo 157 directory and enter "make". The four services will be built. 158 RPCGEN MUST BE INSTALLED in a path that make can find. To run the 159 services, rpcbind must be running, then invoke the service 160 (you probably will want to put it in the background). rpcinfo can be 161 used to check that the service succeeded in getting registered with 162 rpcbind, and to ping the service (see rpcinfo's man page). You can 163 then use the corresponding client program to exercise the service. 164 165 166 BUILDING ONC APPLICATIONS 167 168 See the Makefiles in the demonstration services for examples of building 169 ONC applications with this release. The $(ROOT)/usr/include directory 170 must be included in the compiler header file search path (-I), and the 171 $(ROOT)/usr/lib directory must be included in the linker library file search 172 path (-L). Also, to run executables built dynamically, the shared library 173 search path (LD_LIBRARY_PATH) must also include $(ROOT)/usr/lib. In addition 174 to linking in this release's librpc (via -lrpc), you must also link with 175 Solaris's libnsl (-lnsl) and the US domestic version of libcrypt (-lcrypt). 176
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