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