2 * Copyright 2000, International Business Machines Corporation and others.
5 * This software has been released under the terms of the IBM Public
6 * License. For details, see the LICENSE file in the top-level source
7 * directory or online at http://www.openafs.org/dl/license10.html
10 #include <afsconfig.h>
11 #include <afs/param.h>
16 #include <afs/pthread_glock.h>
17 #include <afs/afsutil.h>
20 #include "cellconfig.h"
23 /* write ThisCell and CellServDB containing exactly one cell's info specified
24 by acellInfo parm. Useful only on the server (which describes only one cell).
28 VerifyEntries(struct afsconf_cell *aci)
33 for (i = 0; i < aci->numServers; i++) {
34 if (aci->hostAddr[i].sin_addr.s_addr == 0) {
35 /* no address spec'd */
36 if (*(aci->hostName[i]) != 0) {
38 struct addrinfo hints;
39 struct addrinfo *result;
42 memset(&hints, 0, sizeof(struct addrinfo));
43 hints.ai_family = AF_INET;
44 hints.ai_socktype = SOCK_DGRAM;
46 code = getaddrinfo(aci->hostName[i], NULL, &hints, &result);
48 printf("Host %s not found in host database...\n",
50 return AFSCONF_FAILURE;
52 for (rp = result; rp != NULL; rp = rp->ai_next) {
53 struct sockaddr_in *sa = (struct sockaddr_in *)rp->ai_addr;
54 if (!rx_IsLoopbackAddr(ntohl(sa->sin_addr.s_addr))) {
55 aci->hostAddr[i].sin_addr.s_addr = sa->sin_addr.s_addr;
60 if (aci->hostAddr[i].sin_addr.s_addr == 0) {
61 printf("No non-loopback addresses found for host %s\n",
63 return AFSCONF_FAILURE;
66 /* otherwise we're deleting this entry */
68 /* address spec'd, perhaps no name known */
69 if (aci->hostName[i][0] != 0)
70 continue; /* name known too */
71 /* figure out name, if possible */
72 th = gethostbyaddr((char *)(&aci->hostAddr[i].sin_addr), 4,
75 strcpy(aci->hostName[i], "UNKNOWNHOST");
77 if (strlcpy(aci->hostName[i],
79 sizeof(aci->hostName[i]))
80 >= sizeof(aci->hostName[i])) {
81 strcpy(aci->hostName[i], "UNKNOWNHOST");
89 /* Changed the interface to accept the afsconf_dir datastructure.
90 This is a handle to the internal cache that is maintained by the bosserver.
94 afsconf_SetCellInfo(struct afsconf_dir *adir, const char *apath,
95 struct afsconf_cell *acellInfo)
99 code = afsconf_SetExtendedCellInfo(adir, apath, acellInfo, NULL);
104 afsconf_SetExtendedCellInfo(struct afsconf_dir *adir,
106 struct afsconf_cell *acellInfo, char clones[])
115 /* write ThisCell file */
116 strcompose(tbuffer, 1024, apath, "/", AFSDIR_THISCELL_FILE, (char *)NULL);
118 fd = open(tbuffer, O_RDWR | O_CREAT | O_TRUNC, 0666);
123 i = (int)strlen(acellInfo->name);
124 code = write(fd, acellInfo->name, i);
127 return AFSCONF_FAILURE;
134 /* make sure we have both name and address for each host, looking up other
136 code = VerifyEntries(acellInfo);
142 /* write CellServDB */
143 strcompose(tbuffer, 1024, apath, "/", AFSDIR_CELLSERVDB_FILE, (char *)NULL);
144 tf = fopen(tbuffer, "w");
147 return AFSCONF_NOTFOUND;
149 fprintf(tf, ">%s #Cell name\n", acellInfo->name);
150 for (i = 0; i < acellInfo->numServers; i++) {
151 code = acellInfo->hostAddr[i].sin_addr.s_addr; /* net order */
153 continue; /* delete request */
154 code = ntohl(code); /* convert to host order */
155 if (clones && clones[i])
156 fprintf(tf, "[%d.%d.%d.%d] #%s\n", (code >> 24) & 0xff,
157 (code >> 16) & 0xff, (code >> 8) & 0xff, code & 0xff,
158 acellInfo->hostName[i]);
160 fprintf(tf, "%d.%d.%d.%d #%s\n", (code >> 24) & 0xff,
161 (code >> 16) & 0xff, (code >> 8) & 0xff, code & 0xff,
162 acellInfo->hostName[i]);
167 return AFSCONF_FAILURE;
171 /* Reset the timestamp in the cache, so that
172 * the CellServDB is read into the cache next time.
173 * Resolves the lost update problem due to an inconsistent cache
180 return AFSCONF_FAILURE;