[24319] | 1 | /* $Id: hosts.pc 3956 2010-01-05 20:56:56Z zacheiss $ |
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[23095] | 2 | * |
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| 3 | * This generates the hstath.txt hosttable. |
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| 4 | * |
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| 5 | * (c) Copyright 1993-1998 by the Massachusetts Institute of Technology. |
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| 6 | * For copying and distribution information, please see the file |
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| 7 | * <mit-copyright.h>. |
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| 8 | */ |
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| 9 | |
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| 10 | #include <mit-copyright.h> |
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| 11 | #include <moira.h> |
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| 12 | |
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| 13 | #include <sys/stat.h> |
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| 14 | |
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| 15 | #include <netinet/in.h> |
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| 16 | #include <arpa/inet.h> |
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| 17 | |
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| 18 | #include <stdio.h> |
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| 19 | #include <stdlib.h> |
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| 20 | #include <string.h> |
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| 21 | #include <time.h> |
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| 22 | |
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| 23 | #include "util.h" |
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| 24 | |
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| 25 | EXEC SQL INCLUDE sqlca; |
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| 26 | |
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[24319] | 27 | RCSID("$HeadURL: svn+ssh://svn.mit.edu/moira/trunk/moira/gen/hosts.pc $ $Id: hosts.pc 3956 2010-01-05 20:56:56Z zacheiss $"); |
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[23095] | 28 | |
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| 29 | char *whoami = "hosts.gen"; |
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| 30 | char *db = "moira/moira"; |
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| 31 | |
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| 32 | int main(int argc, char **argv) |
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| 33 | { |
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| 34 | FILE *out = stdout; |
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| 35 | char *outf = NULL, outft[MAXPATHLEN], *p; |
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| 36 | struct timeval now; |
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| 37 | int i; |
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| 38 | struct hash *aliases; |
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| 39 | EXEC SQL BEGIN DECLARE SECTION; |
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| 40 | int id; |
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| 41 | char name[MACHINE_NAME_SIZE], vendor[MACHINE_VENDOR_SIZE]; |
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| 42 | char model[MACHINE_MODEL_SIZE], os[MACHINE_OS_SIZE]; |
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| 43 | char addr[MACHINE_ADDRESS_SIZE]; |
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| 44 | EXEC SQL END DECLARE SECTION; |
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| 45 | |
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| 46 | EXEC SQL CONNECT :db; |
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| 47 | |
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| 48 | if (argc == 2) |
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| 49 | { |
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| 50 | outf = argv[1]; |
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| 51 | sprintf(outft, "%s~", outf); |
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| 52 | if (!(out = fopen(outft, "w"))) |
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| 53 | { |
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| 54 | fprintf(stderr, "unable to open %s for output\n", outf); |
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| 55 | exit(MR_OCONFIG); |
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| 56 | } |
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| 57 | } |
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| 58 | else if (argc != 1) |
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| 59 | { |
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| 60 | fprintf(stderr, "usage: %s [outfile]\n", argv[0]); |
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| 61 | exit(MR_ARGS); |
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| 62 | } |
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| 63 | else |
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| 64 | outf = NULL; |
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| 65 | |
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| 66 | EXEC SQL WHENEVER SQLERROR GOTO sqlerr; |
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| 67 | |
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| 68 | gettimeofday(&now, NULL); |
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| 69 | |
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| 70 | fprintf(out, "; MIT Network Host Table\n;\n"); |
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| 71 | fprintf(out, "; \t%cAuthor: $\n", '$'); |
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| 72 | fprintf(out, "; \t%cDate: $\n", '$'); |
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| 73 | fprintf(out, "; \t%cRevision: $\n;\n", '$'); |
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| 74 | fprintf(out, "; Host table generated by Moira at %s;\n", |
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| 75 | ctime(&now.tv_sec)); |
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| 76 | |
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| 77 | EXEC SQL DECLARE y CURSOR FOR SELECT mach_id, name FROM hostalias; |
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| 78 | EXEC SQL OPEN y; |
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| 79 | aliases = create_hash(1001); |
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| 80 | while (1) |
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| 81 | { |
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| 82 | EXEC SQL FETCH y INTO :id, :name; |
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| 83 | if (sqlca.sqlcode) |
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| 84 | break; |
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| 85 | if (id == 0) |
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| 86 | continue; |
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| 87 | if (!*strtrim(name)) |
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| 88 | continue; |
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| 89 | if ((i = strlen(name)) < 9 || !strchr(name, '.') || |
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| 90 | strcmp(strchr(name, '.'), ".MIT.EDU")) |
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| 91 | { |
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| 92 | fprintf(stderr, "Ignoring alias %s\n", name); |
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| 93 | continue; |
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| 94 | } |
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| 95 | else |
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| 96 | name[i - 8] = 0; |
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| 97 | if ((p = hash_lookup(aliases, id))) |
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| 98 | { |
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| 99 | p = realloc(p, strlen(p) + strlen(name) + 2); |
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| 100 | sprintf(strchr(p, '\0'), ",%s", name); |
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| 101 | hash_update(aliases, id, p); |
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| 102 | } |
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| 103 | else |
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| 104 | hash_store(aliases, id, strdup(name)); |
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| 105 | } |
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| 106 | |
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| 107 | EXEC SQL DECLARE x CURSOR FOR SELECT |
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| 108 | name, mach_id, vendor, model, os, address |
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| 109 | FROM machine WHERE status = 1 AND mach_id > 0 |
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| 110 | ORDER BY address; |
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| 111 | EXEC SQL OPEN x; |
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| 112 | while (1) |
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| 113 | { |
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| 114 | EXEC SQL FETCH x INTO :name, :id, :vendor, :model, :os, :addr; |
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| 115 | if (sqlca.sqlcode) |
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| 116 | break; |
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| 117 | if (!*strtrim(name)) |
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| 118 | continue; |
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| 119 | if ((i = strlen(name)) < 9 || !strchr(name, '.') || |
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| 120 | strcmp(strchr(name, '.'), ".MIT.EDU")) |
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| 121 | { |
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| 122 | fprintf(stderr, "Ignoring machine %s\n", name); |
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| 123 | continue; |
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| 124 | } |
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| 125 | else |
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| 126 | name[i - 8] = 0; |
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| 127 | strtrim(vendor); |
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| 128 | strtrim(model); |
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| 129 | strtrim(os); |
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| 130 | strtrim(addr); |
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| 131 | if (*addr == 0 || inet_addr(addr) == -1) |
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| 132 | continue; |
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| 133 | fprintf(out, "HOST : %s : %s", addr, name); |
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| 134 | if ((p = hash_lookup(aliases, id))) |
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| 135 | fprintf(out, ",%s", p); |
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| 136 | if ((*vendor || *model) && *os) |
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| 137 | { |
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| 138 | if (*vendor && *model) |
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| 139 | fprintf(out, " : %s/%s : %s :\n", vendor, model, os); |
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| 140 | else |
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| 141 | fprintf(out, " : %s%s : %s :\n", vendor, model, os); |
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| 142 | } |
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| 143 | else |
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| 144 | fputs(" : \n", out); |
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| 145 | } |
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| 146 | |
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| 147 | EXEC SQL CLOSE x; |
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| 148 | |
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| 149 | EXEC SQL COMMIT; |
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| 150 | |
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| 151 | fprintf(out, "; End of automatically generated host table\n"); |
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| 152 | if (fclose(out)) |
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| 153 | { |
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| 154 | perror("close failed"); |
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| 155 | exit(MR_CCONFIG); |
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| 156 | } |
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| 157 | if (outf) |
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| 158 | fix_file(outf); |
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| 159 | exit(MR_SUCCESS); |
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| 160 | |
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| 161 | sqlerr: |
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| 162 | db_error(sqlca.sqlcode); |
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| 163 | exit(MR_DBMS_ERR); |
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| 164 | } |
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