3 * This generates the hstath.txt hosttable.
5 * (c) Copyright 1993 by the Massachusetts Institute of Technology.
6 * For copying and distribution information, please see the file
10 #include <mit-copyright.h>
13 #include <sys/types.h>
16 EXEC SQL INCLUDE sqlca;
19 char *whoami = "hosts.gen";
20 char *db = "moira/moira";
27 char *outf = NULL, outft[64], *p, buf[256];
32 EXEC SQL BEGIN DECLARE SECTION;
34 char name[65], vendor[33], model[33], os[33], addr[17];
35 EXEC SQL END DECLARE SECTION;
40 if (stat(argv[1], &sb) == 0) {
41 if (ModDiff(&flag1, "machine", sb.st_mtime) ||
42 ModDiff(&flag2, "subnet", sb.st_mtime))
44 if (flag1 < 0 && flag2 < 0) {
45 fprintf(stderr, "File %s does not need to be rebuilt.\n",
51 sprintf(outft, "%s~", outf);
52 if ((out = fopen(outft, "w")) == NULL) {
53 fprintf(stderr, "unable to open %s for output\n", outf);
56 } else if (argc != 1) {
57 fprintf(stderr, "usage: %s [outfile]\n", argv[0]);
63 EXEC SQL WHENEVER SQLERROR GOTO sqlerr;
65 gettimeofday(&now, NULL);
67 fprintf(out, "; MIT Network Host Table\n;\n");
68 fprintf(out, "; \t%cAuthor: $\n", '$');
69 fprintf(out, "; \t%cDate: $\n", '$');
70 fprintf(out, "; \t%cRevision: $\n;\n", '$');
71 fprintf(out, "; Host table generated by Moira at %s;\n",
74 EXEC SQL DECLARE y CURSOR FOR SELECT
75 mach_id, name FROM hostalias;
77 aliases = create_hash(1001);
79 EXEC SQL FETCH y INTO :id, :name;
80 if (sqlca.sqlcode != 0) break;
81 if (id == 0) continue;
82 if (*strtrim(name) == 0) continue;
83 if ((i = strlen(name)) < 9 || strcmp(&name[i-8], ".MIT.EDU")) {
84 fprintf(stderr, "Name %s not in MIT domain\n", name);
89 if (p = hash_lookup(aliases, id)) {
90 sprintf(buf, "%s,%s", p, name);
91 hash_update(aliases, id, strsave(buf));
94 hash_store(aliases, id, strsave(name));
97 EXEC SQL DECLARE x CURSOR FOR SELECT
98 name, mach_id, vendor, model, os, address
99 FROM machine WHERE status=1 ORDER BY address;
102 EXEC SQL FETCH x INTO :name, :id, :vendor, :model, :os, :addr;
103 if (sqlca.sqlcode != 0) break;
104 if (id == 0) continue;
105 if (*strtrim(name) == 0) continue;
106 if ((i = strlen(name)) < 9 || strcmp(&name[i-8], ".MIT.EDU")) {
115 if (*addr == 0 || inet_addr(addr) == -1)
117 if (p = hash_lookup(aliases, id))
118 sprintf(buf, "%s,%s", name, p);
121 fprintf(out, "HOST : %s : %s : ", addr, buf);
122 if ((*vendor || *model) && *os) {
123 if (*vendor && *model)
124 fprintf(out, "%s/%s : %s :\n", vendor, model, os);
126 fprintf(out, "%s%s : %s :\n", vendor, model, os);
135 fprintf(out, "; End of automatically generated host table\n");
137 perror("close failed");
145 db_error(sqlca.sqlcode);