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";
22 int main(int argc, char **argv)
25 char *outf = NULL, outft[64], *p, buf[256];
30 EXEC SQL BEGIN DECLARE SECTION;
32 char name[65], vendor[33], model[33], os[33], addr[17];
33 EXEC SQL END DECLARE SECTION;
39 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)
46 fprintf(stderr, "File %s does not need to be rebuilt.\n",
52 sprintf(outft, "%s~", outf);
53 if (!(out = fopen(outft, "w")))
55 fprintf(stderr, "unable to open %s for output\n", outf);
61 fprintf(stderr, "usage: %s [outfile]\n", argv[0]);
67 EXEC SQL WHENEVER SQLERROR GOTO sqlerr;
69 gettimeofday(&now, NULL);
71 fprintf(out, "; MIT Network Host Table\n;\n");
72 fprintf(out, "; \t%cAuthor: $\n", '$');
73 fprintf(out, "; \t%cDate: $\n", '$');
74 fprintf(out, "; \t%cRevision: $\n;\n", '$');
75 fprintf(out, "; Host table generated by Moira at %s;\n",
78 EXEC SQL DECLARE y CURSOR FOR SELECT mach_id, name FROM hostalias;
80 aliases = create_hash(1001);
83 EXEC SQL FETCH y INTO :id, :name;
90 if ((i = strlen(name)) < 9 || strcmp(&name[i - 8], ".MIT.EDU"))
92 fprintf(stderr, "Name %s not in MIT domain\n", name);
97 if (p = hash_lookup(aliases, id))
99 sprintf(buf, "%s,%s", p, name);
100 hash_update(aliases, id, strsave(buf));
104 hash_store(aliases, id, strsave(name));
107 EXEC SQL DECLARE x CURSOR FOR SELECT
108 name, mach_id, vendor, model, os, address
109 FROM machine WHERE status = 1 ORDER BY address;
113 EXEC SQL FETCH x INTO :name, :id, :vendor, :model, :os, :addr;
120 if ((i = strlen(name)) < 9 || strcmp(&name[i - 8], ".MIT.EDU"))
128 if (*addr == 0 || inet_addr(addr) == -1)
130 if ((p = hash_lookup(aliases, id)))
131 sprintf(buf, "%s,%s", name, p);
134 fprintf(out, "HOST : %s : %s : ", addr, buf);
135 if ((*vendor || *model) && *os)
137 if (*vendor && *model)
138 fprintf(out, "%s/%s : %s :\n", vendor, model, os);
140 fprintf(out, "%s%s : %s :\n", vendor, model, os);
150 fprintf(out, "; End of automatically generated host table\n");
153 perror("close failed");
161 db_error(sqlca.sqlcode);