| 1 | /* |
| 2 | * $Id: fsinfo.c,v 5.2.1.2 90/12/21 16:46:47 jsp Alpha $ |
| 3 | * |
| 4 | * Copyright (c) 1989 Jan-Simon Pendry |
| 5 | * Copyright (c) 1989 Imperial College of Science, Technology & Medicine |
| 6 | * Copyright (c) 1989 The Regents of the University of California. |
| 7 | * All rights reserved. |
| 8 | * |
| 9 | * This code is derived from software contributed to Berkeley by |
| 10 | * Jan-Simon Pendry at Imperial College, London. |
| 11 | * |
| 12 | * Redistribution and use in source and binary forms are permitted provided |
| 13 | * that: (1) source distributions retain this entire copyright notice and |
| 14 | * comment, and (2) distributions including binaries display the following |
| 15 | * acknowledgement: ``This product includes software developed by the |
| 16 | * University of California, Berkeley and its contributors'' in the |
| 17 | * documentation or other materials provided with the distribution and in |
| 18 | * all advertising materials mentioning features or use of this software. |
| 19 | * Neither the name of the University nor the names of its contributors may |
| 20 | * be used to endorse or promote products derived from this software without |
| 21 | * specific prior written permission. |
| 22 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED |
| 23 | * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF |
| 24 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. |
| 25 | * |
| 26 | * @(#)fsinfo.c 5.1 (Berkeley) %G% |
| 27 | */ |
| 28 | |
| 29 | /* |
| 30 | * fsinfo |
| 31 | */ |
| 32 | |
| 33 | #include "../fsinfo/fsinfo.h" |
| 34 | #include "fsi_gram.h" |
| 35 | #include <pwd.h> |
| 36 | |
| 37 | qelem *list_of_hosts; |
| 38 | qelem *list_of_automounts; |
| 39 | dict *dict_of_volnames; |
| 40 | dict *dict_of_hosts; |
| 41 | char *autodir = "/a"; |
| 42 | char hostname[MAXHOSTNAMELEN+1]; |
| 43 | char *username; |
| 44 | int file_io_errors; |
| 45 | int parse_errors; |
| 46 | int errors; |
| 47 | int verbose; |
| 48 | char idvbuf[1024]; |
| 49 | |
| 50 | char **g_argv; |
| 51 | char *progname; |
| 52 | |
| 53 | /* |
| 54 | * Output file prefixes |
| 55 | */ |
| 56 | char *exportfs_pref; |
| 57 | char *fstab_pref; |
| 58 | char *dumpset_pref; |
| 59 | char *mount_pref; |
| 60 | char *bootparams_pref; |
| 61 | |
| 62 | /* |
| 63 | * Argument cracking... |
| 64 | */ |
| 65 | static void get_args(c, v) |
| 66 | int c; |
| 67 | char *v[]; |
| 68 | { |
| 69 | extern char *optarg; |
| 70 | extern int optind; |
| 71 | int ch; |
| 72 | int usage = 0; |
| 73 | char *iptr = idvbuf; |
| 74 | |
| 75 | /* |
| 76 | * Determine program name |
| 77 | */ |
| 78 | if (v[0]) { |
| 79 | progname = strrchr(v[0], '/'); |
| 80 | if (progname && progname[1]) |
| 81 | progname++; |
| 82 | else |
| 83 | progname = v[0]; |
| 84 | } |
| 85 | if (!progname) |
| 86 | progname = "fsinfo"; |
| 87 | |
| 88 | while ((ch = getopt(c, v, "a:b:d:e:f:h:m:D:U:I:qv")) != EOF) |
| 89 | switch (ch) { |
| 90 | case 'a': |
| 91 | autodir = optarg; |
| 92 | break; |
| 93 | case 'b': |
| 94 | if (bootparams_pref) |
| 95 | fatal("-b option specified twice"); |
| 96 | bootparams_pref = optarg; |
| 97 | break; |
| 98 | case 'd': |
| 99 | if (dumpset_pref) |
| 100 | fatal("-d option specified twice"); |
| 101 | dumpset_pref = optarg; |
| 102 | break; |
| 103 | case 'h': |
| 104 | strncpy(hostname, optarg, sizeof(hostname)-1); |
| 105 | break; |
| 106 | case 'e': |
| 107 | if (exportfs_pref) |
| 108 | fatal("-e option specified twice"); |
| 109 | exportfs_pref = optarg; |
| 110 | break; |
| 111 | case 'f': |
| 112 | if (fstab_pref) |
| 113 | fatal("-f option specified twice"); |
| 114 | fstab_pref = optarg; |
| 115 | break; |
| 116 | case 'm': |
| 117 | if (mount_pref) |
| 118 | fatal("-m option specified twice"); |
| 119 | mount_pref = optarg; |
| 120 | break; |
| 121 | case 'q': |
| 122 | verbose = -1; |
| 123 | break; |
| 124 | case 'v': |
| 125 | verbose = 1; |
| 126 | break; |
| 127 | case 'I': case 'D': case 'U': |
| 128 | sprintf(iptr, "-%c%s ", ch, optarg); |
| 129 | iptr += strlen(iptr); |
| 130 | break; |
| 131 | default: |
| 132 | usage++; |
| 133 | break; |
| 134 | } |
| 135 | |
| 136 | if (c != optind) { |
| 137 | g_argv = v + optind - 1; |
| 138 | if (yywrap()) |
| 139 | fatal("Cannot read any input files"); |
| 140 | } else { |
| 141 | usage++; |
| 142 | } |
| 143 | |
| 144 | if (usage) { |
| 145 | fprintf(stderr, |
| 146 | "\ |
| 147 | Usage: %s [-v] [-a autodir] [-h hostname] [-b bootparams] [-d dumpsets]\n\ |
| 148 | \t[-e exports] [-f fstabs] [-m automounts]\n\ |
| 149 | \t[-I dir] [-D|-U string[=string]] config ...\n", progname); |
| 150 | exit(1); |
| 151 | } |
| 152 | |
| 153 | |
| 154 | if (g_argv[0]) |
| 155 | log("g_argv[0] = %s", g_argv[0]); |
| 156 | else |
| 157 | log("g_argv[0] = (nil)"); |
| 158 | } |
| 159 | |
| 160 | /* |
| 161 | * Determine username of caller |
| 162 | */ |
| 163 | static char *find_username() |
| 164 | { |
| 165 | extern char *getlogin(); |
| 166 | extern char *getenv(); |
| 167 | char *u = getlogin(); |
| 168 | if (!u) { |
| 169 | struct passwd *pw = getpwuid(getuid()); |
| 170 | if (pw) |
| 171 | u = pw->pw_name; |
| 172 | } |
| 173 | if (!u) |
| 174 | u = getenv("USER"); |
| 175 | if (!u) |
| 176 | u = getenv("LOGNAME"); |
| 177 | if (!u) |
| 178 | u = "root"; |
| 179 | |
| 180 | return strdup(u); |
| 181 | } |
| 182 | |
| 183 | /* |
| 184 | * MAIN |
| 185 | */ |
| 186 | main(argc, argv) |
| 187 | int argc; |
| 188 | char *argv[]; |
| 189 | { |
| 190 | /* |
| 191 | * Process arguments |
| 192 | */ |
| 193 | get_args(argc, argv); |
| 194 | |
| 195 | /* |
| 196 | * If no hostname given then use the local name |
| 197 | */ |
| 198 | if (!*hostname && gethostname(hostname, sizeof(hostname)) < 0) { |
| 199 | perror("gethostname"); |
| 200 | exit(1); |
| 201 | } |
| 202 | |
| 203 | /* |
| 204 | * Get the username |
| 205 | */ |
| 206 | username = find_username(); |
| 207 | |
| 208 | /* |
| 209 | * New hosts and automounts |
| 210 | */ |
| 211 | list_of_hosts = new_que(); |
| 212 | list_of_automounts = new_que(); |
| 213 | |
| 214 | /* |
| 215 | * New dictionaries |
| 216 | */ |
| 217 | dict_of_volnames = new_dict(); |
| 218 | dict_of_hosts = new_dict(); |
| 219 | |
| 220 | /* |
| 221 | * Parse input |
| 222 | */ |
| 223 | show_area_being_processed("read config", 11); |
| 224 | if (yyparse()) |
| 225 | errors = 1; |
| 226 | errors += file_io_errors + parse_errors; |
| 227 | |
| 228 | if (errors == 0) { |
| 229 | /* |
| 230 | * Do semantic analysis of input |
| 231 | */ |
| 232 | analyze_hosts(list_of_hosts); |
| 233 | analyze_automounts(list_of_automounts); |
| 234 | } |
| 235 | |
| 236 | /* |
| 237 | * Give up if errors |
| 238 | */ |
| 239 | if (errors == 0) { |
| 240 | /* |
| 241 | * Output data files |
| 242 | */ |
| 243 | |
| 244 | write_atab(list_of_automounts); |
| 245 | write_bootparams(list_of_hosts); |
| 246 | write_dumpset(list_of_hosts); |
| 247 | write_exportfs(list_of_hosts); |
| 248 | write_fstab(list_of_hosts); |
| 249 | } |
| 250 | |
| 251 | col_cleanup(1); |
| 252 | |
| 253 | exit(errors); |
| 254 | } |