kernel - Fix bogus compiler warning
[dragonfly.git] / libexec / bootpd / dumptab.c
blobc7a4cae0b1419da49ab285cc2b225495038a0579
1 /*
2 * dumptab.c - handles dumping the database
4 * $FreeBSD: src/libexec/bootpd/dumptab.c,v 1.6.2.1 2001/10/14 21:39:48 iedowse Exp $
5 * $DragonFly: src/libexec/bootpd/dumptab.c,v 1.2 2003/06/17 04:27:07 dillon Exp $
6 */
8 #include <sys/types.h>
9 #include <netinet/in.h>
10 #include <arpa/inet.h> /* inet_ntoa */
12 #include <stdio.h>
13 #include <stdlib.h>
14 #include <syslog.h>
15 #include <time.h>
17 #ifndef USE_BFUNCS
18 #include <memory.h>
19 /* Yes, memcpy is OK here (no overlapped copies). */
20 #define bcopy(a,b,c) memcpy(b,a,c)
21 #define bzero(p,l) memset(p,0,l)
22 #define bcmp(a,b,c) memcmp(a,b,c)
23 #endif
25 #include "bootp.h"
26 #include "hash.h"
27 #include "hwaddr.h"
28 #include "report.h"
29 #include "patchlevel.h"
30 #include "bootpd.h"
32 #ifdef DEBUG
33 static void dump_generic(FILE *, struct shared_bindata *);
34 static void dump_host(FILE *, struct host *);
35 static void list_ipaddresses(FILE *, struct in_addr_list *);
36 #endif
38 #ifndef DEBUG
39 void
40 dumptab(char *filename)
42 report(LOG_INFO, "No dumptab support!");
45 #else /* DEBUG */
48 * Dump the internal memory database to bootpd_dump.
51 void
52 dumptab(char *filename)
54 int n;
55 struct host *hp;
56 FILE *fp;
57 time_t t;
58 /* Print symbols in alphabetical order for reader's convenience. */
59 static char legend[] = "#\n# Legend:\t(see bootptab.5)\n\
60 #\tfirst field -- hostname (not indented)\n\
61 #\tbf -- bootfile\n\
62 #\tbs -- bootfile size in 512-octet blocks\n\
63 #\tcs -- cookie servers\n\
64 #\tdf -- dump file name\n\
65 #\tdn -- domain name\n\
66 #\tds -- domain name servers\n\
67 #\tef -- extension file\n\
68 #\tex -- exec file (YORK_EX_OPTION)\n\
69 #\tgw -- gateways\n\
70 #\tha -- hardware address\n\
71 #\thd -- home directory for bootfiles\n\
72 #\thn -- host name set for client\n\
73 #\tht -- hardware type\n\
74 #\tim -- impress servers\n\
75 #\tip -- host IP address\n\
76 #\tlg -- log servers\n\
77 #\tlp -- LPR servers\n\
78 #\tms -- message size\n\
79 #\tmw -- min wait (secs)\n\
80 #\tns -- IEN-116 name servers\n\
81 #\tnt -- NTP servers (RFC 1129)\n\
82 #\tra -- reply address override\n\
83 #\trl -- resource location protocol servers\n\
84 #\trp -- root path\n\
85 #\tsa -- boot server address\n\
86 #\tsm -- subnet mask\n\
87 #\tsw -- swap server\n\
88 #\ttc -- template host (points to similar host entry)\n\
89 #\ttd -- TFTP directory\n\
90 #\tto -- time offset (seconds)\n\
91 #\tts -- time servers\n\
92 #\tvm -- vendor magic number\n\
93 #\tyd -- YP (NIS) domain\n\
94 #\tys -- YP (NIS) servers\n\
95 #\tTn -- generic option tag n\n\
96 \n";
99 * Open bootpd.dump file.
101 if ((fp = fopen(filename, "w")) == NULL) {
102 report(LOG_ERR, "error opening \"%s\": %s",
103 filename, get_errmsg());
104 exit(1);
106 t = time(NULL);
107 fprintf(fp, "\n# %s %s.%d\n", progname, VERSION, PATCHLEVEL);
108 fprintf(fp, "# %s: dump of bootp server database.\n", filename);
109 fprintf(fp, "# Dump taken %s", ctime(&t));
110 fwrite(legend, 1, sizeof(legend) - 1, fp);
112 n = 0;
113 for (hp = (struct host *) hash_FirstEntry(nmhashtable); hp != NULL;
114 hp = (struct host *) hash_NextEntry(nmhashtable)) {
115 dump_host(fp, hp);
116 fprintf(fp, "\n");
117 n++;
119 fclose(fp);
121 report(LOG_INFO, "dumped %d entries to \"%s\".", n, filename);
127 * Dump all the available information on the host pointed to by "hp".
128 * The output is sent to the file pointed to by "fp".
131 static void
132 dump_host(FILE *fp, struct host *hp)
134 /* Print symbols in alphabetical order for reader's convenience. */
135 if (hp) {
136 fprintf(fp, "%s:", (hp->hostname ?
137 hp->hostname->string : "?"));
138 if (hp->flags.bootfile) {
139 fprintf(fp, "\\\n\t:bf=%s:", hp->bootfile->string);
141 if (hp->flags.bootsize) {
142 fprintf(fp, "\\\n\t:bs=");
143 if (hp->flags.bootsize_auto) {
144 fprintf(fp, "auto:");
145 } else {
146 fprintf(fp, "%lu:", (u_long)hp->bootsize);
149 if (hp->flags.cookie_server) {
150 fprintf(fp, "\\\n\t:cs=");
151 list_ipaddresses(fp, hp->cookie_server);
152 fprintf(fp, ":");
154 if (hp->flags.dump_file) {
155 fprintf(fp, "\\\n\t:df=%s:", hp->dump_file->string);
157 if (hp->flags.domain_name) {
158 fprintf(fp, "\\\n\t:dn=%s:", hp->domain_name->string);
160 if (hp->flags.domain_server) {
161 fprintf(fp, "\\\n\t:ds=");
162 list_ipaddresses(fp, hp->domain_server);
163 fprintf(fp, ":");
165 if (hp->flags.exten_file) {
166 fprintf(fp, "\\\n\t:ef=%s:", hp->exten_file->string);
168 if (hp->flags.exec_file) {
169 fprintf(fp, "\\\n\t:ex=%s:", hp->exec_file->string);
171 if (hp->flags.gateway) {
172 fprintf(fp, "\\\n\t:gw=");
173 list_ipaddresses(fp, hp->gateway);
174 fprintf(fp, ":");
176 /* FdC: swap_server (see below) */
177 if (hp->flags.homedir) {
178 fprintf(fp, "\\\n\t:hd=%s:", hp->homedir->string);
180 /* FdC: dump_file (see above) */
181 /* FdC: domain_name (see above) */
182 /* FdC: root_path (see below) */
183 if (hp->flags.name_switch && hp->flags.send_name) {
184 fprintf(fp, "\\\n\t:hn:");
186 if (hp->flags.htype) {
187 int hlen = haddrlength(hp->htype);
188 fprintf(fp, "\\\n\t:ht=%u:", (unsigned) hp->htype);
189 if (hp->flags.haddr) {
190 fprintf(fp, "ha=\"%s\":",
191 haddrtoa(hp->haddr, hlen));
194 if (hp->flags.impress_server) {
195 fprintf(fp, "\\\n\t:im=");
196 list_ipaddresses(fp, hp->impress_server);
197 fprintf(fp, ":");
199 /* NetBSD: swap_server (see below) */
200 if (hp->flags.iaddr) {
201 fprintf(fp, "\\\n\t:ip=%s:", inet_ntoa(hp->iaddr));
203 if (hp->flags.log_server) {
204 fprintf(fp, "\\\n\t:lg=");
205 list_ipaddresses(fp, hp->log_server);
206 fprintf(fp, ":");
208 if (hp->flags.lpr_server) {
209 fprintf(fp, "\\\n\t:lp=");
210 list_ipaddresses(fp, hp->lpr_server);
211 fprintf(fp, ":");
213 if (hp->flags.msg_size) {
214 fprintf(fp, "\\\n\t:ms=%lu:", (u_long)hp->msg_size);
216 if (hp->flags.min_wait) {
217 fprintf(fp, "\\\n\t:mw=%lu:", (u_long)hp->min_wait);
219 if (hp->flags.name_server) {
220 fprintf(fp, "\\\n\t:ns=");
221 list_ipaddresses(fp, hp->name_server);
222 fprintf(fp, ":");
224 if (hp->flags.ntp_server) {
225 fprintf(fp, "\\\n\t:nt=");
226 list_ipaddresses(fp, hp->ntp_server);
227 fprintf(fp, ":");
229 if (hp->flags.reply_addr) {
230 fprintf(fp, "\\\n\t:ra=%s:", inet_ntoa(hp->reply_addr));
232 if (hp->flags.rlp_server) {
233 fprintf(fp, "\\\n\t:rl=");
234 list_ipaddresses(fp, hp->rlp_server);
235 fprintf(fp, ":");
237 if (hp->flags.root_path) {
238 fprintf(fp, "\\\n\t:rp=%s:", hp->root_path->string);
240 if (hp->flags.bootserver) {
241 fprintf(fp, "\\\n\t:sa=%s:", inet_ntoa(hp->bootserver));
243 if (hp->flags.subnet_mask) {
244 fprintf(fp, "\\\n\t:sm=%s:", inet_ntoa(hp->subnet_mask));
246 if (hp->flags.swap_server) {
247 fprintf(fp, "\\\n\t:sw=%s:", inet_ntoa(hp->subnet_mask));
249 if (hp->flags.tftpdir) {
250 fprintf(fp, "\\\n\t:td=%s:", hp->tftpdir->string);
252 /* NetBSD: rootpath (see above) */
253 /* NetBSD: domainname (see above) */
254 /* NetBSD: dumpfile (see above) */
255 if (hp->flags.time_offset) {
256 fprintf(fp, "\\\n\t:to=%ld:", (long)hp->time_offset);
258 if (hp->flags.time_server) {
259 fprintf(fp, "\\\n\t:ts=");
260 list_ipaddresses(fp, hp->time_server);
261 fprintf(fp, ":");
263 if (hp->flags.vm_cookie) {
264 fprintf(fp, "\\\n\t:vm=");
265 if (!bcmp(hp->vm_cookie, vm_rfc1048, 4)) {
266 fprintf(fp, "rfc1048:");
267 } else if (!bcmp(hp->vm_cookie, vm_cmu, 4)) {
268 fprintf(fp, "cmu:");
269 } else {
270 fprintf(fp, "%d.%d.%d.%d:",
271 (int) ((hp->vm_cookie)[0]),
272 (int) ((hp->vm_cookie)[1]),
273 (int) ((hp->vm_cookie)[2]),
274 (int) ((hp->vm_cookie)[3]));
277 if (hp->flags.nis_domain) {
278 fprintf(fp, "\\\n\t:yd=%s:",
279 hp->nis_domain->string);
281 if (hp->flags.nis_server) {
282 fprintf(fp, "\\\n\t:ys=");
283 list_ipaddresses(fp, hp->nis_server);
284 fprintf(fp, ":");
287 * XXX - Add new tags here (or above,
288 * so they print in alphabetical order).
291 if (hp->flags.generic) {
292 dump_generic(fp, hp->generic);
298 static void
299 dump_generic(FILE *fp, struct shared_bindata *generic)
301 u_char *bp = generic->data;
302 u_char *ep = bp + generic->length;
303 u_char tag;
304 int len;
306 while (bp < ep) {
307 tag = *bp++;
308 if (tag == TAG_PAD)
309 continue;
310 if (tag == TAG_END)
311 return;
312 len = *bp++;
313 if (bp + len > ep) {
314 fprintf(fp, " #junk in generic! :");
315 return;
317 fprintf(fp, "\\\n\t:T%d=", tag);
318 while (len) {
319 fprintf(fp, "%02X", *bp);
320 bp++;
321 len--;
322 if (len)
323 fprintf(fp, ".");
325 fprintf(fp, ":");
332 * Dump an entire struct in_addr_list of IP addresses to the indicated file.
334 * The addresses are printed in standard ASCII "dot" notation and separated
335 * from one another by a single space. A single leading space is also
336 * printed before the first adddress.
338 * Null lists produce no output (and no error).
341 static void
342 list_ipaddresses(FILE *fp, struct in_addr_list *ipptr)
344 unsigned count;
345 struct in_addr *addrptr;
347 if (ipptr) {
348 count = ipptr->addrcount;
349 addrptr = ipptr->addr;
350 while (count > 0) {
351 fprintf(fp, "%s", inet_ntoa(*addrptr++));
352 count--;
353 if (count)
354 fprintf(fp, ", ");
359 #endif /* DEBUG */
362 * Local Variables:
363 * tab-width: 4
364 * c-indent-level: 4
365 * c-argdecl-indent: 4
366 * c-continued-statement-offset: 4
367 * c-continued-brace-offset: -4
368 * c-label-offset: -4
369 * c-brace-offset: 0
370 * End: