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Commit | Line | Data |
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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; |
dfaf9b68 | 35 | char *outf = NULL, outft[MAXPATHLEN], *p; |
36 | char buf[MACHINE_NAME_SIZE + ALIAS_NAME_SIZE]; | |
5eaef520 | 37 | struct stat sb; |
38 | struct timeval now; | |
39 | int flag1, flag2, i; | |
40 | struct hash *aliases; | |
41 | EXEC SQL BEGIN DECLARE SECTION; | |
42 | int id; | |
dfaf9b68 | 43 | char name[MACHINE_NAME_SIZE], vendor[MACHINE_VENDOR_SIZE]; |
44 | char model[MACHINE_MODEL_SIZE], os[MACHINE_OS_SIZE]; | |
45 | char addr[MACHINE_ADDRESS_SIZE]; | |
5eaef520 | 46 | EXEC SQL END DECLARE SECTION; |
2289e07e | 47 | |
5eaef520 | 48 | EXEC SQL CONNECT :db; |
2289e07e | 49 | |
5eaef520 | 50 | if (argc == 2) |
51 | { | |
52 | if (stat(argv[1], &sb) == 0) | |
53 | { | |
54 | if (ModDiff(&flag1, "machine", sb.st_mtime) || | |
55 | ModDiff(&flag2, "subnet", sb.st_mtime)) | |
56 | exit(MR_DATE); | |
57 | if (flag1 < 0 && flag2 < 0) | |
58 | { | |
59 | fprintf(stderr, "File %s does not need to be rebuilt.\n", | |
60 | argv[1]); | |
61 | exit(MR_NO_CHANGE); | |
2289e07e | 62 | } |
63 | } | |
5eaef520 | 64 | outf = argv[1]; |
65 | sprintf(outft, "%s~", outf); | |
66 | if (!(out = fopen(outft, "w"))) | |
67 | { | |
68 | fprintf(stderr, "unable to open %s for output\n", outf); | |
69 | exit(MR_OCONFIG); | |
2289e07e | 70 | } |
2289e07e | 71 | } |
5eaef520 | 72 | else if (argc != 1) |
73 | { | |
74 | fprintf(stderr, "usage: %s [outfile]\n", argv[0]); | |
75 | exit(MR_ARGS); | |
76 | } | |
77 | else | |
78 | outf = NULL; | |
79 | ||
80 | EXEC SQL WHENEVER SQLERROR GOTO sqlerr; | |
2289e07e | 81 | |
5eaef520 | 82 | gettimeofday(&now, NULL); |
2289e07e | 83 | |
5eaef520 | 84 | fprintf(out, "; MIT Network Host Table\n;\n"); |
85 | fprintf(out, "; \t%cAuthor: $\n", '$'); | |
86 | fprintf(out, "; \t%cDate: $\n", '$'); | |
87 | fprintf(out, "; \t%cRevision: $\n;\n", '$'); | |
88 | fprintf(out, "; Host table generated by Moira at %s;\n", | |
89 | ctime(&now.tv_sec)); | |
2289e07e | 90 | |
5eaef520 | 91 | EXEC SQL DECLARE y CURSOR FOR SELECT mach_id, name FROM hostalias; |
92 | EXEC SQL OPEN y; | |
93 | aliases = create_hash(1001); | |
94 | while (1) | |
95 | { | |
96 | EXEC SQL FETCH y INTO :id, :name; | |
97 | if (sqlca.sqlcode) | |
98 | break; | |
99 | if (id == 0) | |
100 | continue; | |
101 | if (!*strtrim(name)) | |
102 | continue; | |
ed7faf49 | 103 | if ((i = strlen(name)) < 9 || !strchr(name, '.') || |
104 | strcmp(strchr(name, '.'), ".MIT.EDU")) | |
5eaef520 | 105 | { |
ed7faf49 | 106 | fprintf(stderr, "Ignoring alias %s\n", name); |
5eaef520 | 107 | continue; |
2289e07e | 108 | } |
5eaef520 | 109 | else |
110 | name[i - 8] = 0; | |
7ac48069 | 111 | if ((p = hash_lookup(aliases, id))) |
5eaef520 | 112 | { |
113 | sprintf(buf, "%s,%s", p, name); | |
7ac48069 | 114 | hash_update(aliases, id, strdup(buf)); |
5eaef520 | 115 | free(p); |
116 | } | |
117 | else | |
7ac48069 | 118 | hash_store(aliases, id, strdup(name)); |
2289e07e | 119 | } |
120 | ||
5eaef520 | 121 | EXEC SQL DECLARE x CURSOR FOR SELECT |
122 | name, mach_id, vendor, model, os, address | |
123 | FROM machine WHERE status = 1 ORDER BY address; | |
124 | EXEC SQL OPEN x; | |
125 | while (1) | |
126 | { | |
127 | EXEC SQL FETCH x INTO :name, :id, :vendor, :model, :os, :addr; | |
128 | if (sqlca.sqlcode) | |
129 | break; | |
130 | if (id == 0) | |
131 | continue; | |
132 | if (!*strtrim(name)) | |
133 | continue; | |
ed7faf49 | 134 | if ((i = strlen(name)) < 9 || !strchr(name, '.') || |
135 | strcmp(strchr(name, '.'), ".MIT.EDU")) | |
136 | { | |
137 | fprintf(stderr, "Ignoring machine %s\n", name); | |
138 | continue; | |
139 | } | |
5eaef520 | 140 | else |
141 | name[i - 8] = 0; | |
142 | strtrim(vendor); | |
143 | strtrim(model); | |
144 | strtrim(os); | |
145 | strtrim(addr); | |
146 | if (*addr == 0 || inet_addr(addr) == -1) | |
147 | continue; | |
148 | if ((p = hash_lookup(aliases, id))) | |
149 | sprintf(buf, "%s,%s", name, p); | |
150 | else | |
151 | strcpy(buf, name); | |
152 | fprintf(out, "HOST : %s : %s : ", addr, buf); | |
153 | if ((*vendor || *model) && *os) | |
154 | { | |
155 | if (*vendor && *model) | |
156 | fprintf(out, "%s/%s : %s :\n", vendor, model, os); | |
157 | else | |
158 | fprintf(out, "%s%s : %s :\n", vendor, model, os); | |
2289e07e | 159 | } |
5eaef520 | 160 | else |
161 | fputs("\n", out); | |
2289e07e | 162 | } |
163 | ||
5eaef520 | 164 | EXEC SQL CLOSE x; |
9c04b191 | 165 | |
5eaef520 | 166 | EXEC SQL COMMIT; |
2289e07e | 167 | |
5eaef520 | 168 | fprintf(out, "; End of automatically generated host table\n"); |
169 | if (fclose(out)) | |
170 | { | |
171 | perror("close failed"); | |
172 | exit(MR_CCONFIG); | |
2289e07e | 173 | } |
5eaef520 | 174 | if (outf) |
175 | fix_file(outf); | |
176 | exit(MR_SUCCESS); | |
2289e07e | 177 | |
5eaef520 | 178 | sqlerr: |
179 | db_error(sqlca.sqlcode); | |
180 | exit(MR_DBMS_ERR); | |
2289e07e | 181 | } |