dumptab.c revision 13572
11638Srgrimes/* 252696Sgreen * dumptab.c - handles dumping the database 31638Srgrimes */ 4156813Sru 5155611Simp#include <sys/types.h> 61988Swollman#include <netinet/in.h> 7124747Sru#include <arpa/inet.h> /* inet_ntoa */ 8172085Sjkoshy 9241823Smarcel#include <stdio.h> 10124747Sru#include <stdlib.h> 11152999Semax#include <syslog.h> 12124747Sru#include <time.h> 13124747Sru 14171851Sdanger#ifndef USE_BFUNCS 15124747Sru#include <memory.h> 16124747Sru/* Yes, memcpy is OK here (no overlapped copies). */ 17146329Skeramida#define bcopy(a,b,c) memcpy(b,a,c) 18146329Skeramida#define bzero(p,l) memset(p,0,l) 19124747Sru#define bcmp(a,b,c) memcmp(a,b,c) 20124747Sru#endif 21124747Sru 22124747Sru#include "bootp.h" 23124747Sru#include "hash.h" 24129759Sbrooks#include "hwaddr.h" 25163029Sru#include "report.h" 26124747Sru#include "patchlevel.h" 27124747Sru#include "bootpd.h" 28124747Sru 29161748Scperciva#ifdef __STDC__ 30124747Sru#define P(args) args 31124747Sru#else 32124747Sru#define P(args) () 33124747Sru#endif 34124747Sru 35124747Srustatic void dump_generic P((FILE *, struct shared_bindata *)); 36124747Srustatic void dump_host P((FILE *, struct host *)); 37124747Srustatic void list_ipaddresses P((FILE *, struct in_addr_list *)); 38124747Sru 39124747Sru#undef P 40158381Sambrisko 41124747Sru#ifndef DEBUG 42124747Sruvoid 43124747Srudumptab(filename) 44124747Sru char *filename; 45153103Sdavidxu{ 46124747Sru report(LOG_INFO, "No dumptab support!"); 47108304Strhodes} 48124747Sru 49124747Sru#else /* DEBUG */ 50183631Sdanger 51124747Sru/* 52124747Sru * Dump the internal memory database to bootpd_dump. 53124747Sru */ 54124747Sru 55187825Stabthorpevoid 56150665Srudumptab(filename) 57124747Sru char *filename; 58124747Sru{ 59124747Sru int n; 60124747Sru struct host *hp; 61220640Strasz FILE *fp; 62178354Ssam long t; 63158665Srodrigc /* Print symbols in alphabetical order for reader's convenience. */ 64124747Sru static char legend[] = "#\n# Legend:\t(see bootptab.5)\n\ 65124747Sru#\tfirst field -- hostname (not indented)\n\ 66124747Sru#\tbf -- bootfile\n\ 67124747Sru#\tbs -- bootfile size in 512-octet blocks\n\ 68156940Sru#\tcs -- cookie servers\n\ 69124747Sru#\tdf -- dump file name\n\ 70124747Sru#\tdn -- domain name\n\ 71124747Sru#\tds -- domain name servers\n\ 72241607Sattilio#\tef -- extension file\n\ 731638Srgrimes#\tex -- exec file (YORK_EX_OPTION)\n\ 74124747Sru#\tgw -- gateways\n\ 7532158Sbde#\tha -- hardware address\n\ 7632158Sbde#\thd -- home directory for bootfiles\n\ 77108414Strhodes#\thn -- host name set for client\n\ 7877865Sru#\tht -- hardware type\n\ 79230328Skevlo#\tim -- impress servers\n\ 8072875Snik#\tip -- host IP address\n\ 81156709Sjcamou#\tlg -- log servers\n\ 8232158Sbde#\tlp -- LPR servers\n\ 8332158Sbde#\tms -- message size\n\ 84241823Smarcel#\tmw -- min wait (secs)\n\ 85241823Smarcel#\tns -- IEN-116 name servers\n\ 86241823Smarcel#\tnt -- NTP servers (RFC 1129)\n\ 87241823Smarcel#\tra -- reply address override\n\ 88241823Smarcel#\trl -- resource location protocol servers\n\ 89241823Smarcel#\trp -- root path\n\ 90156813Sru#\tsa -- boot server address\n\ 91148781Sphk#\tsm -- subnet mask\n\ 92148781Sphk#\tsw -- swap server\n\ 93148781Sphk#\ttc -- template host (points to similar host entry)\n\ 94235537Sgber#\ttd -- TFTP directory\n\ 95235537Sgber#\tto -- time offset (seconds)\n\ 96235537Sgber#\tts -- time servers\n\ 97235537Sgber#\tvm -- vendor magic number\n\ 98240689Szeising#\tyd -- YP (NIS) domain\n\ 99240689Szeising#\tys -- YP (NIS) servers\n\ 100240689Szeising#\tTn -- generic option tag n\n\ 101240689Szeising\n"; 102240689Szeising 103211725Simp /* 104171851Sdanger * Open bootpd.dump file. 105171851Sdanger */ 106171851Sdanger if ((fp = fopen(filename, "w")) == NULL) { 1071638Srgrimes report(LOG_ERR, "error opening \"%s\": %s", 108 filename, get_errmsg()); 109 exit(1); 110 } 111 t = time(NULL); 112 fprintf(fp, "\n# %s %s.%d\n", progname, VERSION, PATCHLEVEL); 113 fprintf(fp, "# %s: dump of bootp server database.\n", filename); 114 fprintf(fp, "# Dump taken %s", ctime(&t)); 115 fwrite(legend, 1, sizeof(legend) - 1, fp); 116 117 n = 0; 118 for (hp = (struct host *) hash_FirstEntry(nmhashtable); hp != NULL; 119 hp = (struct host *) hash_NextEntry(nmhashtable)) { 120 dump_host(fp, hp); 121 fprintf(fp, "\n"); 122 n++; 123 } 124 fclose(fp); 125 126 report(LOG_INFO, "dumped %d entries to \"%s\".", n, filename); 127} 128 129 130 131/* 132 * Dump all the available information on the host pointed to by "hp". 133 * The output is sent to the file pointed to by "fp". 134 */ 135 136static void 137dump_host(fp, hp) 138 FILE *fp; 139 struct host *hp; 140{ 141 /* Print symbols in alphabetical order for reader's convenience. */ 142 if (hp) { 143 fprintf(fp, "%s:", (hp->hostname ? 144 hp->hostname->string : "?")); 145 if (hp->flags.bootfile) { 146 fprintf(fp, "\\\n\t:bf=%s:", hp->bootfile->string); 147 } 148 if (hp->flags.bootsize) { 149 fprintf(fp, "\\\n\t:bs="); 150 if (hp->flags.bootsize_auto) { 151 fprintf(fp, "auto:"); 152 } else { 153 fprintf(fp, "%d:", hp->bootsize); 154 } 155 } 156 if (hp->flags.cookie_server) { 157 fprintf(fp, "\\\n\t:cs="); 158 list_ipaddresses(fp, hp->cookie_server); 159 fprintf(fp, ":"); 160 } 161 if (hp->flags.dump_file) { 162 fprintf(fp, "\\\n\t:df=%s:", hp->dump_file->string); 163 } 164 if (hp->flags.domain_name) { 165 fprintf(fp, "\\\n\t:dn=%s:", hp->domain_name->string); 166 } 167 if (hp->flags.domain_server) { 168 fprintf(fp, "\\\n\t:ds="); 169 list_ipaddresses(fp, hp->domain_server); 170 fprintf(fp, ":"); 171 } 172 if (hp->flags.exten_file) { 173 fprintf(fp, "\\\n\t:ef=%s:", hp->exten_file->string); 174 } 175 if (hp->flags.exec_file) { 176 fprintf(fp, "\\\n\t:ex=%s:", hp->exec_file->string); 177 } 178 if (hp->flags.gateway) { 179 fprintf(fp, "\\\n\t:gw="); 180 list_ipaddresses(fp, hp->gateway); 181 fprintf(fp, ":"); 182 } 183 /* FdC: swap_server (see below) */ 184 if (hp->flags.homedir) { 185 fprintf(fp, "\\\n\t:hd=%s:", hp->homedir->string); 186 } 187 /* FdC: dump_file (see above) */ 188 /* FdC: domain_name (see above) */ 189 /* FdC: root_path (see below) */ 190 if (hp->flags.name_switch && hp->flags.send_name) { 191 fprintf(fp, "\\\n\t:hn:"); 192 } 193 if (hp->flags.htype) { 194 int hlen = haddrlength(hp->htype); 195 fprintf(fp, "\\\n\t:ht=%u:", (unsigned) hp->htype); 196 if (hp->flags.haddr) { 197 fprintf(fp, "ha=\"%s\":", 198 haddrtoa(hp->haddr, hlen)); 199 } 200 } 201 if (hp->flags.impress_server) { 202 fprintf(fp, "\\\n\t:im="); 203 list_ipaddresses(fp, hp->impress_server); 204 fprintf(fp, ":"); 205 } 206 /* NetBSD: swap_server (see below) */ 207 if (hp->flags.iaddr) { 208 fprintf(fp, "\\\n\t:ip=%s:", inet_ntoa(hp->iaddr)); 209 } 210 if (hp->flags.log_server) { 211 fprintf(fp, "\\\n\t:lg="); 212 list_ipaddresses(fp, hp->log_server); 213 fprintf(fp, ":"); 214 } 215 if (hp->flags.lpr_server) { 216 fprintf(fp, "\\\n\t:lp="); 217 list_ipaddresses(fp, hp->lpr_server); 218 fprintf(fp, ":"); 219 } 220 if (hp->flags.msg_size) { 221 fprintf(fp, "\\\n\t:ms=%d:", hp->msg_size); 222 } 223 if (hp->flags.min_wait) { 224 fprintf(fp, "\\\n\t:mw=%d:", hp->min_wait); 225 } 226 if (hp->flags.name_server) { 227 fprintf(fp, "\\\n\t:ns="); 228 list_ipaddresses(fp, hp->name_server); 229 fprintf(fp, ":"); 230 } 231 if (hp->flags.ntp_server) { 232 fprintf(fp, "\\\n\t:nt="); 233 list_ipaddresses(fp, hp->ntp_server); 234 fprintf(fp, ":"); 235 } 236 if (hp->flags.reply_addr) { 237 fprintf(fp, "\\\n\t:ra=%s:", inet_ntoa(hp->reply_addr)); 238 } 239 if (hp->flags.rlp_server) { 240 fprintf(fp, "\\\n\t:rl="); 241 list_ipaddresses(fp, hp->rlp_server); 242 fprintf(fp, ":"); 243 } 244 if (hp->flags.root_path) { 245 fprintf(fp, "\\\n\t:rp=%s:", hp->root_path->string); 246 } 247 if (hp->flags.bootserver) { 248 fprintf(fp, "\\\n\t:sa=%s:", inet_ntoa(hp->bootserver)); 249 } 250 if (hp->flags.subnet_mask) { 251 fprintf(fp, "\\\n\t:sm=%s:", inet_ntoa(hp->subnet_mask)); 252 } 253 if (hp->flags.swap_server) { 254 fprintf(fp, "\\\n\t:sw=%s:", inet_ntoa(hp->subnet_mask)); 255 } 256 if (hp->flags.tftpdir) { 257 fprintf(fp, "\\\n\t:td=%s:", hp->tftpdir->string); 258 } 259 /* NetBSD: rootpath (see above) */ 260 /* NetBSD: domainname (see above) */ 261 /* NetBSD: dumpfile (see above) */ 262 if (hp->flags.time_offset) { 263 fprintf(fp, "\\\n\t:to=%ld:", hp->time_offset); 264 } 265 if (hp->flags.time_server) { 266 fprintf(fp, "\\\n\t:ts="); 267 list_ipaddresses(fp, hp->time_server); 268 fprintf(fp, ":"); 269 } 270 if (hp->flags.vm_cookie) { 271 fprintf(fp, "\\\n\t:vm="); 272 if (!bcmp(hp->vm_cookie, vm_rfc1048, 4)) { 273 fprintf(fp, "rfc1048:"); 274 } else if (!bcmp(hp->vm_cookie, vm_cmu, 4)) { 275 fprintf(fp, "cmu:"); 276 } else { 277 fprintf(fp, "%d.%d.%d.%d:", 278 (int) ((hp->vm_cookie)[0]), 279 (int) ((hp->vm_cookie)[1]), 280 (int) ((hp->vm_cookie)[2]), 281 (int) ((hp->vm_cookie)[3])); 282 } 283 } 284 if (hp->flags.nis_domain) { 285 fprintf(fp, "\\\n\t:yd=%s:", 286 hp->nis_domain->string); 287 } 288 if (hp->flags.nis_server) { 289 fprintf(fp, "\\\n\t:ys="); 290 list_ipaddresses(fp, hp->nis_server); 291 fprintf(fp, ":"); 292 } 293 /* 294 * XXX - Add new tags here (or above, 295 * so they print in alphabetical order). 296 */ 297 298 if (hp->flags.generic) { 299 dump_generic(fp, hp->generic); 300 } 301 } 302} 303 304 305static void 306dump_generic(fp, generic) 307 FILE *fp; 308 struct shared_bindata *generic; 309{ 310 u_char *bp = generic->data; 311 u_char *ep = bp + generic->length; 312 u_char tag; 313 int len; 314 315 while (bp < ep) { 316 tag = *bp++; 317 if (tag == TAG_PAD) 318 continue; 319 if (tag == TAG_END) 320 return; 321 len = *bp++; 322 if (bp + len > ep) { 323 fprintf(fp, " #junk in generic! :"); 324 return; 325 } 326 fprintf(fp, "\\\n\t:T%d=", tag); 327 while (len) { 328 fprintf(fp, "%02X", *bp); 329 bp++; 330 len--; 331 if (len) 332 fprintf(fp, "."); 333 } 334 fprintf(fp, ":"); 335 } 336} 337 338 339 340/* 341 * Dump an entire struct in_addr_list of IP addresses to the indicated file. 342 * 343 * The addresses are printed in standard ASCII "dot" notation and separated 344 * from one another by a single space. A single leading space is also 345 * printed before the first adddress. 346 * 347 * Null lists produce no output (and no error). 348 */ 349 350static void 351list_ipaddresses(fp, ipptr) 352 FILE *fp; 353 struct in_addr_list *ipptr; 354{ 355 unsigned count; 356 struct in_addr *addrptr; 357 358 if (ipptr) { 359 count = ipptr->addrcount; 360 addrptr = ipptr->addr; 361 while (count > 0) { 362 fprintf(fp, "%s", inet_ntoa(*addrptr++)); 363 count--; 364 if (count) 365 fprintf(fp, ", "); 366 } 367 } 368} 369 370#endif /* DEBUG */ 371 372/* 373 * Local Variables: 374 * tab-width: 4 375 * c-indent-level: 4 376 * c-argdecl-indent: 4 377 * c-continued-statement-offset: 4 378 * c-continued-brace-offset: -4 379 * c-label-offset: -4 380 * c-brace-offset: 0 381 * End: 382 */ 383