]>
Commit | Line | Data |
---|---|---|
7ac48069 | 1 | /* $Id$ |
2289e07e | 2 | * |
3 | * This generates the hstath.txt hosttable. | |
4 | * | |
7ac48069 | 5 | * (c) Copyright 1993-1998 by the Massachusetts Institute of Technology. |
6 | * For copying and distribution information, please see the file | |
7 | * <mit-copyright.h>. | |
2289e07e | 8 | */ |
9 | ||
10 | #include <mit-copyright.h> | |
2289e07e | 11 | #include <moira.h> |
7ac48069 | 12 | |
2289e07e | 13 | #include <sys/stat.h> |
7ac48069 | 14 | |
15 | #include <netinet/in.h> | |
16 | #include <arpa/inet.h> | |
17 | ||
18 | #include <stdio.h> | |
19 | #include <stdlib.h> | |
20 | #include <string.h> | |
21 | #include <time.h> | |
22 | ||
23 | #include "util.h" | |
24 | ||
2289e07e | 25 | EXEC SQL INCLUDE sqlca; |
26 | ||
7ac48069 | 27 | RCSID("$Header$"); |
28 | ||
2289e07e | 29 | char *whoami = "hosts.gen"; |
9c04b191 | 30 | char *db = "moira/moira"; |
2289e07e | 31 | |
5eaef520 | 32 | int main(int argc, char **argv) |
2289e07e | 33 | { |
5eaef520 | 34 | FILE *out = stdout; |
35 | char *outf = NULL, outft[64], *p, buf[256]; | |
36 | struct stat sb; | |
37 | struct timeval now; | |
38 | int flag1, flag2, i; | |
39 | struct hash *aliases; | |
40 | EXEC SQL BEGIN DECLARE SECTION; | |
41 | int id; | |
42 | char name[65], vendor[33], model[33], os[33], addr[17]; | |
43 | EXEC SQL END DECLARE SECTION; | |
2289e07e | 44 | |
5eaef520 | 45 | EXEC SQL CONNECT :db; |
2289e07e | 46 | |
5eaef520 | 47 | if (argc == 2) |
48 | { | |
49 | if (stat(argv[1], &sb) == 0) | |
50 | { | |
51 | if (ModDiff(&flag1, "machine", sb.st_mtime) || | |
52 | ModDiff(&flag2, "subnet", sb.st_mtime)) | |
53 | exit(MR_DATE); | |
54 | if (flag1 < 0 && flag2 < 0) | |
55 | { | |
56 | fprintf(stderr, "File %s does not need to be rebuilt.\n", | |
57 | argv[1]); | |
58 | exit(MR_NO_CHANGE); | |
2289e07e | 59 | } |
60 | } | |
5eaef520 | 61 | outf = argv[1]; |
62 | sprintf(outft, "%s~", outf); | |
63 | if (!(out = fopen(outft, "w"))) | |
64 | { | |
65 | fprintf(stderr, "unable to open %s for output\n", outf); | |
66 | exit(MR_OCONFIG); | |
2289e07e | 67 | } |
2289e07e | 68 | } |
5eaef520 | 69 | else if (argc != 1) |
70 | { | |
71 | fprintf(stderr, "usage: %s [outfile]\n", argv[0]); | |
72 | exit(MR_ARGS); | |
73 | } | |
74 | else | |
75 | outf = NULL; | |
76 | ||
77 | EXEC SQL WHENEVER SQLERROR GOTO sqlerr; | |
2289e07e | 78 | |
5eaef520 | 79 | gettimeofday(&now, NULL); |
2289e07e | 80 | |
5eaef520 | 81 | fprintf(out, "; MIT Network Host Table\n;\n"); |
82 | fprintf(out, "; \t%cAuthor: $\n", '$'); | |
83 | fprintf(out, "; \t%cDate: $\n", '$'); | |
84 | fprintf(out, "; \t%cRevision: $\n;\n", '$'); | |
85 | fprintf(out, "; Host table generated by Moira at %s;\n", | |
86 | ctime(&now.tv_sec)); | |
2289e07e | 87 | |
5eaef520 | 88 | EXEC SQL DECLARE y CURSOR FOR SELECT mach_id, name FROM hostalias; |
89 | EXEC SQL OPEN y; | |
90 | aliases = create_hash(1001); | |
91 | while (1) | |
92 | { | |
93 | EXEC SQL FETCH y INTO :id, :name; | |
94 | if (sqlca.sqlcode) | |
95 | break; | |
96 | if (id == 0) | |
97 | continue; | |
98 | if (!*strtrim(name)) | |
99 | continue; | |
100 | if ((i = strlen(name)) < 9 || strcmp(&name[i - 8], ".MIT.EDU")) | |
101 | { | |
102 | fprintf(stderr, "Name %s not in MIT domain\n", name); | |
103 | continue; | |
2289e07e | 104 | } |
5eaef520 | 105 | else |
106 | name[i - 8] = 0; | |
7ac48069 | 107 | if ((p = hash_lookup(aliases, id))) |
5eaef520 | 108 | { |
109 | sprintf(buf, "%s,%s", p, name); | |
7ac48069 | 110 | hash_update(aliases, id, strdup(buf)); |
5eaef520 | 111 | free(p); |
112 | } | |
113 | else | |
7ac48069 | 114 | hash_store(aliases, id, strdup(name)); |
2289e07e | 115 | } |
116 | ||
5eaef520 | 117 | EXEC SQL DECLARE x CURSOR FOR SELECT |
118 | name, mach_id, vendor, model, os, address | |
119 | FROM machine WHERE status = 1 ORDER BY address; | |
120 | EXEC SQL OPEN x; | |
121 | while (1) | |
122 | { | |
123 | EXEC SQL FETCH x INTO :name, :id, :vendor, :model, :os, :addr; | |
124 | if (sqlca.sqlcode) | |
125 | break; | |
126 | if (id == 0) | |
127 | continue; | |
128 | if (!*strtrim(name)) | |
129 | continue; | |
130 | if ((i = strlen(name)) < 9 || strcmp(&name[i - 8], ".MIT.EDU")) | |
131 | continue; | |
132 | else | |
133 | name[i - 8] = 0; | |
134 | strtrim(vendor); | |
135 | strtrim(model); | |
136 | strtrim(os); | |
137 | strtrim(addr); | |
138 | if (*addr == 0 || inet_addr(addr) == -1) | |
139 | continue; | |
140 | if ((p = hash_lookup(aliases, id))) | |
141 | sprintf(buf, "%s,%s", name, p); | |
142 | else | |
143 | strcpy(buf, name); | |
144 | fprintf(out, "HOST : %s : %s : ", addr, buf); | |
145 | if ((*vendor || *model) && *os) | |
146 | { | |
147 | if (*vendor && *model) | |
148 | fprintf(out, "%s/%s : %s :\n", vendor, model, os); | |
149 | else | |
150 | fprintf(out, "%s%s : %s :\n", vendor, model, os); | |
2289e07e | 151 | } |
5eaef520 | 152 | else |
153 | fputs("\n", out); | |
2289e07e | 154 | } |
155 | ||
5eaef520 | 156 | EXEC SQL CLOSE x; |
9c04b191 | 157 | |
5eaef520 | 158 | EXEC SQL COMMIT; |
2289e07e | 159 | |
5eaef520 | 160 | fprintf(out, "; End of automatically generated host table\n"); |
161 | if (fclose(out)) | |
162 | { | |
163 | perror("close failed"); | |
164 | exit(MR_CCONFIG); | |
2289e07e | 165 | } |
5eaef520 | 166 | if (outf) |
167 | fix_file(outf); | |
168 | exit(MR_SUCCESS); | |
2289e07e | 169 | |
5eaef520 | 170 | sqlerr: |
171 | db_error(sqlca.sqlcode); | |
172 | exit(MR_DBMS_ERR); | |
2289e07e | 173 | } |