Commit | Line | Data |
---|---|---|
3b86b0f6 DF |
1 | /* |
2 | * Copyright (c) 1983 Regents of the University of California. | |
3 | * All rights reserved. The Berkeley software License Agreement | |
4 | * specifies the terms and conditions for redistribution. | |
5 | */ | |
6 | ||
7 | #ifndef lint | |
8 | char copyright[] = | |
9 | "@(#) Copyright (c) 1983 Regents of the University of California.\n\ | |
10 | All rights reserved.\n"; | |
11 | #endif not lint | |
12 | ||
52b4fb0c | 13 | #ifndef lint |
221be169 | 14 | static char sccsid[] = "@(#)rwhod.c 5.9 (Berkeley) %G%"; |
3b86b0f6 | 15 | #endif not lint |
52b4fb0c | 16 | |
52b4fb0c | 17 | #include <sys/types.h> |
52b4fb0c | 18 | #include <sys/socket.h> |
52b4fb0c | 19 | #include <sys/stat.h> |
52b4fb0c | 20 | #include <sys/ioctl.h> |
9bd66dcf | 21 | #include <sys/file.h> |
de3b21e8 | 22 | |
7af17b3e | 23 | #include <net/if.h> |
de3b21e8 SL |
24 | #include <netinet/in.h> |
25 | ||
26 | #include <nlist.h> | |
27 | #include <stdio.h> | |
28 | #include <signal.h> | |
29 | #include <errno.h> | |
30 | #include <utmp.h> | |
a0f59ac1 SL |
31 | #include <ctype.h> |
32 | #include <netdb.h> | |
00cdc205 | 33 | #include <syslog.h> |
3c13756b | 34 | #include <protocols/rwhod.h> |
de3b21e8 | 35 | |
83361bb3 RC |
36 | /* |
37 | * Alarm interval. Don't forget to change the down time check in ruptime | |
38 | * if this is changed. | |
39 | */ | |
00cdc205 | 40 | #define AL_INTERVAL (3 * 60) |
83361bb3 | 41 | |
a0f59ac1 | 42 | struct sockaddr_in sin = { AF_INET }; |
52b4fb0c BJ |
43 | |
44 | extern errno; | |
45 | ||
7af17b3e | 46 | char myname[32]; |
52b4fb0c BJ |
47 | |
48 | struct nlist nl[] = { | |
49 | #define NL_AVENRUN 0 | |
50 | { "_avenrun" }, | |
de3b21e8 SL |
51 | #define NL_BOOTTIME 1 |
52 | { "_boottime" }, | |
52b4fb0c BJ |
53 | 0 |
54 | }; | |
55 | ||
7af17b3e SL |
56 | /* |
57 | * We communicate with each neighbor in | |
58 | * a list constructed at the time we're | |
59 | * started up. Neighbors are currently | |
60 | * directly connected via a hardware interface. | |
61 | */ | |
62 | struct neighbor { | |
63 | struct neighbor *n_next; | |
64 | char *n_name; /* interface name */ | |
65 | char *n_addr; /* who to send to */ | |
66 | int n_addrlen; /* size of address */ | |
67 | int n_flags; /* should forward?, interface flags */ | |
68 | }; | |
69 | ||
70 | struct neighbor *neighbors; | |
52b4fb0c | 71 | struct whod mywd; |
7af17b3e | 72 | struct servent *sp; |
52b4fb0c BJ |
73 | int s, utmpf, kmemf = -1; |
74 | ||
7af17b3e SL |
75 | #define WHDRSIZE (sizeof (mywd) - sizeof (mywd.wd_we)) |
76 | #define RWHODIR "/usr/spool/rwho" | |
fea387f0 | 77 | |
52b4fb0c | 78 | int onalrm(); |
7af17b3e | 79 | char *strcpy(), *sprintf(), *malloc(); |
52b4fb0c BJ |
80 | long lseek(); |
81 | int getkmem(); | |
7af17b3e | 82 | struct in_addr inet_makeaddr(); |
52b4fb0c BJ |
83 | |
84 | main() | |
85 | { | |
86 | struct sockaddr_in from; | |
0f2d5e68 | 87 | struct stat st; |
52b4fb0c | 88 | char path[64]; |
221be169 | 89 | int on = 1; |
d2444544 JB |
90 | char *cp; |
91 | extern char *index(); | |
52b4fb0c | 92 | |
00cdc205 RC |
93 | if (getuid()) { |
94 | fprintf(stderr, "rwhod: not super user\n"); | |
95 | exit(1); | |
96 | } | |
a0f59ac1 SL |
97 | sp = getservbyname("who", "udp"); |
98 | if (sp == 0) { | |
99 | fprintf(stderr, "rwhod: udp/who: unknown service\n"); | |
100 | exit(1); | |
101 | } | |
52b4fb0c BJ |
102 | #ifndef DEBUG |
103 | if (fork()) | |
104 | exit(0); | |
105 | { int s; | |
106 | for (s = 0; s < 10; s++) | |
107 | (void) close(s); | |
108 | (void) open("/", 0); | |
109 | (void) dup2(0, 1); | |
110 | (void) dup2(0, 2); | |
111 | s = open("/dev/tty", 2); | |
112 | if (s >= 0) { | |
113 | ioctl(s, TIOCNOTTY, 0); | |
114 | (void) close(s); | |
115 | } | |
116 | } | |
117 | #endif | |
ac82a1ec KM |
118 | if (chdir(RWHODIR) < 0) { |
119 | perror(RWHODIR); | |
120 | exit(1); | |
121 | } | |
52b4fb0c | 122 | (void) signal(SIGHUP, getkmem); |
076ae92c | 123 | openlog("rwhod", LOG_PID, LOG_DAEMON); |
7af17b3e SL |
124 | /* |
125 | * Establish host name as returned by system. | |
126 | */ | |
127 | if (gethostname(myname, sizeof (myname) - 1) < 0) { | |
00cdc205 | 128 | syslog(LOG_ERR, "gethostname: %m"); |
52b4fb0c BJ |
129 | exit(1); |
130 | } | |
d2444544 JB |
131 | if ((cp = index(myname, '.')) != NULL) |
132 | *cp = '\0'; | |
7af17b3e | 133 | strncpy(mywd.wd_hostname, myname, sizeof (myname) - 1); |
9bd66dcf | 134 | utmpf = open("/etc/utmp", O_RDONLY); |
52b4fb0c BJ |
135 | if (utmpf < 0) { |
136 | (void) close(creat("/etc/utmp", 0644)); | |
9bd66dcf | 137 | utmpf = open("/etc/utmp", O_RDONLY); |
52b4fb0c BJ |
138 | } |
139 | if (utmpf < 0) { | |
00cdc205 | 140 | syslog(LOG_ERR, "/etc/utmp: %m"); |
52b4fb0c BJ |
141 | exit(1); |
142 | } | |
143 | getkmem(); | |
9bd66dcf | 144 | if ((s = socket(AF_INET, SOCK_DGRAM, 0)) < 0) { |
00cdc205 | 145 | syslog(LOG_ERR, "socket: %m"); |
de3b21e8 SL |
146 | exit(1); |
147 | } | |
3de1986a | 148 | if (setsockopt(s, SOL_SOCKET, SO_BROADCAST, &on, sizeof (on)) < 0) { |
b0e1e5f3 MK |
149 | syslog(LOG_ERR, "setsockopt SO_BROADCAST: %m"); |
150 | exit(1); | |
151 | } | |
7af17b3e | 152 | sin.sin_port = sp->s_port; |
9bd66dcf | 153 | if (bind(s, &sin, sizeof (sin)) < 0) { |
00cdc205 | 154 | syslog(LOG_ERR, "bind: %m"); |
de3b21e8 | 155 | exit(1); |
52b4fb0c | 156 | } |
7af17b3e SL |
157 | if (!configure(s)) |
158 | exit(1); | |
8a53982e | 159 | signal(SIGALRM, onalrm); |
52b4fb0c BJ |
160 | onalrm(); |
161 | for (;;) { | |
162 | struct whod wd; | |
7af17b3e | 163 | int cc, whod, len = sizeof (from); |
52b4fb0c | 164 | |
7af17b3e SL |
165 | cc = recvfrom(s, (char *)&wd, sizeof (struct whod), 0, |
166 | &from, &len); | |
52b4fb0c BJ |
167 | if (cc <= 0) { |
168 | if (cc < 0 && errno != EINTR) | |
00cdc205 | 169 | syslog(LOG_WARNING, "recv: %m"); |
52b4fb0c BJ |
170 | continue; |
171 | } | |
a0f59ac1 | 172 | if (from.sin_port != sp->s_port) { |
00cdc205 | 173 | syslog(LOG_WARNING, "%d: bad from port", |
a0f59ac1 | 174 | ntohs(from.sin_port)); |
52b4fb0c BJ |
175 | continue; |
176 | } | |
a0f59ac1 SL |
177 | #ifdef notdef |
178 | if (gethostbyname(wd.wd_hostname) == 0) { | |
00cdc205 | 179 | syslog(LOG_WARNING, "%s: unknown host", |
a0f59ac1 SL |
180 | wd.wd_hostname); |
181 | continue; | |
182 | } | |
183 | #endif | |
aaddf8a1 SL |
184 | if (wd.wd_vers != WHODVERSION) |
185 | continue; | |
7af17b3e SL |
186 | if (wd.wd_type != WHODTYPE_STATUS) |
187 | continue; | |
a0f59ac1 | 188 | if (!verify(wd.wd_hostname)) { |
00cdc205 | 189 | syslog(LOG_WARNING, "malformed host name from %x", |
a0f59ac1 | 190 | from.sin_addr); |
52b4fb0c BJ |
191 | continue; |
192 | } | |
ac82a1ec | 193 | (void) sprintf(path, "whod.%s", wd.wd_hostname); |
0f2d5e68 MK |
194 | /* |
195 | * Rather than truncating and growing the file each time, | |
196 | * use ftruncate if size is less than previous size. | |
197 | */ | |
198 | whod = open(path, O_WRONLY | O_CREAT, 0644); | |
52b4fb0c | 199 | if (whod < 0) { |
00cdc205 | 200 | syslog(LOG_WARNING, "%s: %m", path); |
52b4fb0c BJ |
201 | continue; |
202 | } | |
fea387f0 SL |
203 | #if vax || pdp11 |
204 | { | |
9bd66dcf | 205 | int i, n = (cc - WHDRSIZE)/sizeof(struct whoent); |
fea387f0 SL |
206 | struct whoent *we; |
207 | ||
208 | /* undo header byte swapping before writing to file */ | |
209 | wd.wd_sendtime = ntohl(wd.wd_sendtime); | |
210 | for (i = 0; i < 3; i++) | |
211 | wd.wd_loadav[i] = ntohl(wd.wd_loadav[i]); | |
212 | wd.wd_boottime = ntohl(wd.wd_boottime); | |
213 | we = wd.wd_we; | |
214 | for (i = 0; i < n; i++) { | |
215 | we->we_idle = ntohl(we->we_idle); | |
1cccbcb3 SL |
216 | we->we_utmp.out_time = |
217 | ntohl(we->we_utmp.out_time); | |
fea387f0 SL |
218 | we++; |
219 | } | |
220 | } | |
221 | #endif | |
52b4fb0c BJ |
222 | (void) time(&wd.wd_recvtime); |
223 | (void) write(whod, (char *)&wd, cc); | |
0f2d5e68 MK |
224 | if (fstat(whod, &st) < 0 || st.st_size > cc) |
225 | ftruncate(whod, cc); | |
52b4fb0c BJ |
226 | (void) close(whod); |
227 | } | |
228 | } | |
229 | ||
a0f59ac1 SL |
230 | /* |
231 | * Check out host name for unprintables | |
232 | * and other funnies before allowing a file | |
233 | * to be created. Sorry, but blanks aren't allowed. | |
234 | */ | |
235 | verify(name) | |
236 | register char *name; | |
237 | { | |
238 | register int size = 0; | |
239 | ||
240 | while (*name) { | |
77650176 | 241 | if (!isascii(*name) || !(isalnum(*name) || ispunct(*name))) |
a0f59ac1 SL |
242 | return (0); |
243 | name++, size++; | |
244 | } | |
245 | return (size > 0); | |
246 | } | |
247 | ||
52b4fb0c BJ |
248 | int utmptime; |
249 | int utmpent; | |
4c9b3acd JB |
250 | int utmpsize = 0; |
251 | struct utmp *utmp; | |
52b4fb0c BJ |
252 | int alarmcount; |
253 | ||
254 | onalrm() | |
255 | { | |
256 | register int i; | |
257 | struct stat stb; | |
76886f32 | 258 | register struct whoent *we = mywd.wd_we, *wlast; |
52b4fb0c BJ |
259 | int cc; |
260 | double avenrun[3]; | |
261 | time_t now = time(0); | |
7af17b3e | 262 | register struct neighbor *np; |
52b4fb0c BJ |
263 | |
264 | if (alarmcount % 10 == 0) | |
265 | getkmem(); | |
266 | alarmcount++; | |
267 | (void) fstat(utmpf, &stb); | |
4c9b3acd | 268 | if ((stb.st_mtime != utmptime) || (stb.st_size > utmpsize)) { |
02d31241 | 269 | utmptime = stb.st_mtime; |
4c9b3acd JB |
270 | if (stb.st_size > utmpsize) { |
271 | utmpsize = stb.st_size + 10 * sizeof(struct utmp); | |
272 | if (utmp) | |
273 | utmp = (struct utmp *)realloc(utmp, utmpsize); | |
274 | else | |
275 | utmp = (struct utmp *)malloc(utmpsize); | |
276 | if (! utmp) { | |
277 | fprintf(stderr, "rwhod: malloc failed\n"); | |
278 | utmpsize = 0; | |
279 | goto done; | |
280 | } | |
281 | } | |
9bd66dcf | 282 | (void) lseek(utmpf, (long)0, L_SET); |
4c9b3acd | 283 | cc = read(utmpf, (char *)utmp, stb.st_size); |
52b4fb0c BJ |
284 | if (cc < 0) { |
285 | perror("/etc/utmp"); | |
08d10f57 | 286 | goto done; |
52b4fb0c | 287 | } |
7af17b3e | 288 | wlast = &mywd.wd_we[1024 / sizeof (struct whoent) - 1]; |
52b4fb0c BJ |
289 | utmpent = cc / sizeof (struct utmp); |
290 | for (i = 0; i < utmpent; i++) | |
291 | if (utmp[i].ut_name[0]) { | |
b1456c48 SL |
292 | bcopy(utmp[i].ut_line, we->we_utmp.out_line, |
293 | sizeof (utmp[i].ut_line)); | |
294 | bcopy(utmp[i].ut_name, we->we_utmp.out_name, | |
295 | sizeof (utmp[i].ut_name)); | |
b1456c48 | 296 | we->we_utmp.out_time = htonl(utmp[i].ut_time); |
76886f32 SL |
297 | if (we >= wlast) |
298 | break; | |
52b4fb0c BJ |
299 | we++; |
300 | } | |
301 | utmpent = we - mywd.wd_we; | |
302 | } | |
221be169 KM |
303 | |
304 | /* | |
305 | * The test on utmpent looks silly---after all, if no one is | |
306 | * logged on, why worry about efficiency?---but is useful on | |
307 | * (e.g.) compute servers. | |
308 | */ | |
309 | if (utmpent && chdir("/dev")) { | |
310 | syslog(LOG_ERR, "chdir(/dev): %m"); | |
311 | exit(1); | |
312 | } | |
52b4fb0c BJ |
313 | we = mywd.wd_we; |
314 | for (i = 0; i < utmpent; i++) { | |
221be169 | 315 | if (stat(we->we_utmp.out_line, &stb) >= 0) |
b1456c48 | 316 | we->we_idle = htonl(now - stb.st_atime); |
52b4fb0c BJ |
317 | we++; |
318 | } | |
9bd66dcf | 319 | (void) lseek(kmemf, (long)nl[NL_AVENRUN].n_value, L_SET); |
52b4fb0c BJ |
320 | (void) read(kmemf, (char *)avenrun, sizeof (avenrun)); |
321 | for (i = 0; i < 3; i++) | |
353c1281 | 322 | mywd.wd_loadav[i] = htonl((u_long)(avenrun[i] * 100)); |
b1456c48 | 323 | cc = (char *)we - (char *)&mywd; |
b1456c48 | 324 | mywd.wd_sendtime = htonl(time(0)); |
7af17b3e SL |
325 | mywd.wd_vers = WHODVERSION; |
326 | mywd.wd_type = WHODTYPE_STATUS; | |
327 | for (np = neighbors; np != NULL; np = np->n_next) | |
328 | (void) sendto(s, (char *)&mywd, cc, 0, | |
329 | np->n_addr, np->n_addrlen); | |
221be169 KM |
330 | if (utmpent && chdir(RWHODIR)) { |
331 | syslog(LOG_ERR, "chdir(%s): %m", RWHODIR); | |
332 | exit(1); | |
333 | } | |
08d10f57 | 334 | done: |
83361bb3 | 335 | (void) alarm(AL_INTERVAL); |
52b4fb0c BJ |
336 | } |
337 | ||
338 | getkmem() | |
339 | { | |
07cac863 SL |
340 | static ino_t vmunixino; |
341 | static time_t vmunixctime; | |
342 | struct stat sb; | |
52b4fb0c | 343 | |
07cac863 SL |
344 | if (stat("/vmunix", &sb) < 0) { |
345 | if (vmunixctime) | |
346 | return; | |
347 | } else { | |
348 | if (sb.st_ctime == vmunixctime && sb.st_ino == vmunixino) | |
349 | return; | |
350 | vmunixctime = sb.st_ctime; | |
351 | vmunixino= sb.st_ino; | |
352 | } | |
52b4fb0c BJ |
353 | if (kmemf >= 0) |
354 | (void) close(kmemf); | |
355 | loop: | |
00cdc205 RC |
356 | if (nlist("/vmunix", nl)) { |
357 | syslog(LOG_WARNING, "/vmunix namelist botch"); | |
52b4fb0c BJ |
358 | sleep(300); |
359 | goto loop; | |
360 | } | |
9bd66dcf | 361 | kmemf = open("/dev/kmem", O_RDONLY); |
52b4fb0c | 362 | if (kmemf < 0) { |
00cdc205 RC |
363 | syslog(LOG_ERR, "/dev/kmem: %m"); |
364 | exit(1); | |
52b4fb0c | 365 | } |
9bd66dcf SL |
366 | (void) lseek(kmemf, (long)nl[NL_BOOTTIME].n_value, L_SET); |
367 | (void) read(kmemf, (char *)&mywd.wd_boottime, | |
368 | sizeof (mywd.wd_boottime)); | |
b1456c48 | 369 | mywd.wd_boottime = htonl(mywd.wd_boottime); |
52b4fb0c | 370 | } |
7af17b3e SL |
371 | |
372 | /* | |
373 | * Figure out device configuration and select | |
374 | * networks which deserve status information. | |
375 | */ | |
376 | configure(s) | |
377 | int s; | |
378 | { | |
379 | char buf[BUFSIZ]; | |
380 | struct ifconf ifc; | |
381 | struct ifreq ifreq, *ifr; | |
7af17b3e SL |
382 | struct sockaddr_in *sin; |
383 | register struct neighbor *np; | |
9bd66dcf | 384 | int n; |
7af17b3e SL |
385 | |
386 | ifc.ifc_len = sizeof (buf); | |
387 | ifc.ifc_buf = buf; | |
388 | if (ioctl(s, SIOCGIFCONF, (char *)&ifc) < 0) { | |
00cdc205 | 389 | syslog(LOG_ERR, "ioctl (get interface configuration)"); |
7af17b3e SL |
390 | return (0); |
391 | } | |
392 | ifr = ifc.ifc_req; | |
393 | for (n = ifc.ifc_len / sizeof (struct ifreq); n > 0; n--, ifr++) { | |
394 | for (np = neighbors; np != NULL; np = np->n_next) | |
395 | if (np->n_name && | |
396 | strcmp(ifr->ifr_name, np->n_name) == 0) | |
397 | break; | |
398 | if (np != NULL) | |
399 | continue; | |
400 | ifreq = *ifr; | |
401 | np = (struct neighbor *)malloc(sizeof (*np)); | |
402 | if (np == NULL) | |
403 | continue; | |
404 | np->n_name = malloc(strlen(ifr->ifr_name) + 1); | |
405 | if (np->n_name == NULL) { | |
406 | free((char *)np); | |
407 | continue; | |
408 | } | |
409 | strcpy(np->n_name, ifr->ifr_name); | |
410 | np->n_addrlen = sizeof (ifr->ifr_addr); | |
411 | np->n_addr = malloc(np->n_addrlen); | |
412 | if (np->n_addr == NULL) { | |
413 | free(np->n_name); | |
414 | free((char *)np); | |
415 | continue; | |
416 | } | |
417 | bcopy((char *)&ifr->ifr_addr, np->n_addr, np->n_addrlen); | |
418 | if (ioctl(s, SIOCGIFFLAGS, (char *)&ifreq) < 0) { | |
00cdc205 | 419 | syslog(LOG_ERR, "ioctl (get interface flags)"); |
7af17b3e SL |
420 | free((char *)np); |
421 | continue; | |
422 | } | |
64b7ee70 MK |
423 | if ((ifreq.ifr_flags & IFF_UP) == 0 || |
424 | (ifreq.ifr_flags & (IFF_BROADCAST|IFF_POINTOPOINT)) == 0) { | |
7af17b3e SL |
425 | free((char *)np); |
426 | continue; | |
427 | } | |
428 | np->n_flags = ifreq.ifr_flags; | |
429 | if (np->n_flags & IFF_POINTOPOINT) { | |
430 | if (ioctl(s, SIOCGIFDSTADDR, (char *)&ifreq) < 0) { | |
00cdc205 | 431 | syslog(LOG_ERR, "ioctl (get dstaddr)"); |
7af17b3e SL |
432 | free((char *)np); |
433 | continue; | |
434 | } | |
435 | /* we assume addresses are all the same size */ | |
436 | bcopy((char *)&ifreq.ifr_dstaddr, | |
437 | np->n_addr, np->n_addrlen); | |
438 | } | |
439 | if (np->n_flags & IFF_BROADCAST) { | |
64b7ee70 MK |
440 | if (ioctl(s, SIOCGIFBRDADDR, (char *)&ifreq) < 0) { |
441 | syslog(LOG_ERR, "ioctl (get broadaddr)"); | |
442 | free((char *)np); | |
443 | continue; | |
444 | } | |
7af17b3e | 445 | /* we assume addresses are all the same size */ |
64b7ee70 MK |
446 | bcopy((char *)&ifreq.ifr_broadaddr, |
447 | np->n_addr, np->n_addrlen); | |
7af17b3e SL |
448 | } |
449 | /* gag, wish we could get rid of Internet dependencies */ | |
450 | sin = (struct sockaddr_in *)np->n_addr; | |
451 | sin->sin_port = sp->s_port; | |
452 | np->n_next = neighbors; | |
453 | neighbors = np; | |
454 | } | |
455 | return (1); | |
456 | } | |
b1456c48 SL |
457 | |
458 | #ifdef DEBUG | |
459 | sendto(s, buf, cc, flags, to, tolen) | |
460 | int s; | |
461 | char *buf; | |
462 | int cc, flags; | |
463 | char *to; | |
464 | int tolen; | |
465 | { | |
466 | register struct whod *w = (struct whod *)buf; | |
467 | register struct whoent *we; | |
468 | struct sockaddr_in *sin = (struct sockaddr_in *)to; | |
469 | char *interval(); | |
470 | ||
471 | printf("sendto %x.%d\n", ntohl(sin->sin_addr), ntohs(sin->sin_port)); | |
472 | printf("hostname %s %s\n", w->wd_hostname, | |
9bd66dcf | 473 | interval(ntohl(w->wd_sendtime) - ntohl(w->wd_boottime), " up")); |
b1456c48 | 474 | printf("load %4.2f, %4.2f, %4.2f\n", |
9bd66dcf SL |
475 | ntohl(w->wd_loadav[0]) / 100.0, ntohl(w->wd_loadav[1]) / 100.0, |
476 | ntohl(w->wd_loadav[2]) / 100.0); | |
b1456c48 SL |
477 | cc -= WHDRSIZE; |
478 | for (we = w->wd_we, cc /= sizeof (struct whoent); cc > 0; cc--, we++) { | |
9bd66dcf | 479 | time_t t = ntohl(we->we_utmp.out_time); |
b1456c48 | 480 | printf("%-8.8s %s:%s %.12s", |
9bd66dcf SL |
481 | we->we_utmp.out_name, |
482 | w->wd_hostname, we->we_utmp.out_line, | |
483 | ctime(&t)+4); | |
484 | we->we_idle = ntohl(we->we_idle) / 60; | |
b1456c48 SL |
485 | if (we->we_idle) { |
486 | if (we->we_idle >= 100*60) | |
487 | we->we_idle = 100*60 - 1; | |
488 | if (we->we_idle >= 60) | |
489 | printf(" %2d", we->we_idle / 60); | |
490 | else | |
491 | printf(" "); | |
492 | printf(":%02d", we->we_idle % 60); | |
493 | } | |
494 | printf("\n"); | |
495 | } | |
496 | } | |
497 | ||
498 | char * | |
499 | interval(time, updown) | |
500 | int time; | |
501 | char *updown; | |
502 | { | |
503 | static char resbuf[32]; | |
504 | int days, hours, minutes; | |
505 | ||
506 | if (time < 0 || time > 3*30*24*60*60) { | |
507 | (void) sprintf(resbuf, " %s ??:??", updown); | |
508 | return (resbuf); | |
509 | } | |
510 | minutes = (time + 59) / 60; /* round to minutes */ | |
511 | hours = minutes / 60; minutes %= 60; | |
512 | days = hours / 24; hours %= 24; | |
513 | if (days) | |
514 | (void) sprintf(resbuf, "%s %2d+%02d:%02d", | |
515 | updown, days, hours, minutes); | |
516 | else | |
517 | (void) sprintf(resbuf, "%s %2d:%02d", | |
518 | updown, hours, minutes); | |
519 | return (resbuf); | |
520 | } | |
521 | #endif |