11558Srgrimes/*- 21558Srgrimes * Copyright (c) 1980, 1988, 1993 31558Srgrimes * The Regents of the University of California. All rights reserved. 41558Srgrimes * 51558Srgrimes * Redistribution and use in source and binary forms, with or without 61558Srgrimes * modification, are permitted provided that the following conditions 71558Srgrimes * are met: 81558Srgrimes * 1. Redistributions of source code must retain the above copyright 91558Srgrimes * notice, this list of conditions and the following disclaimer. 101558Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 111558Srgrimes * notice, this list of conditions and the following disclaimer in the 121558Srgrimes * documentation and/or other materials provided with the distribution. 131558Srgrimes * 4. Neither the name of the University nor the names of its contributors 141558Srgrimes * may be used to endorse or promote products derived from this software 151558Srgrimes * without specific prior written permission. 161558Srgrimes * 171558Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 181558Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 191558Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 201558Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 211558Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 221558Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 231558Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 241558Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 251558Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 261558Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 271558Srgrimes * SUCH DAMAGE. 281558Srgrimes */ 291558Srgrimes 301558Srgrimes#ifndef lint 3136997Scharnier#if 0 321558Srgrimesstatic char sccsid[] = "@(#)optr.c 8.2 (Berkeley) 1/6/94"; 3336997Scharnier#endif 3436997Scharnierstatic const char rcsid[] = 3550476Speter "$FreeBSD$"; 361558Srgrimes#endif /* not lint */ 371558Srgrimes 381558Srgrimes#include <sys/param.h> 3971787Sphk#include <sys/queue.h> 401558Srgrimes#include <sys/wait.h> 411558Srgrimes 4298542Smckusick#include <ufs/ufs/dinode.h> 4398542Smckusick 441558Srgrimes#include <errno.h> 451558Srgrimes#include <fstab.h> 461558Srgrimes#include <grp.h> 47103949Smike#include <limits.h> 481558Srgrimes#include <stdio.h> 491558Srgrimes#include <stdlib.h> 501558Srgrimes#include <string.h> 511558Srgrimes#include <stdarg.h> 5290742Siedowse#include <signal.h> 53217769Smckusick#include <time.h> 541558Srgrimes#include <unistd.h> 551558Srgrimes 561558Srgrimes#include "dump.h" 571558Srgrimes#include "pathnames.h" 581558Srgrimes 5992837Simpvoid alarmcatch(int); 6092837Simpint datesort(const void *, const void *); 611558Srgrimes 621558Srgrimes/* 631558Srgrimes * Query the operator; This previously-fascist piece of code 641558Srgrimes * no longer requires an exact response. 651558Srgrimes * It is intended to protect dump aborting by inquisitive 661558Srgrimes * people banging on the console terminal to see what is 671558Srgrimes * happening which might cause dump to croak, destroying 681558Srgrimes * a large number of hours of work. 691558Srgrimes * 701558Srgrimes * Every 2 minutes we reprint the message, alerting others 711558Srgrimes * that dump needs attention. 721558Srgrimes */ 731558Srgrimesstatic int timeout; 7492837Simpstatic const char *attnmessage; /* attention message */ 751558Srgrimes 761558Srgrimesint 7792837Simpquery(const char *question) 781558Srgrimes{ 791558Srgrimes char replybuffer[64]; 801558Srgrimes int back, errcount; 811558Srgrimes FILE *mytty; 821558Srgrimes 831558Srgrimes if ((mytty = fopen(_PATH_TTY, "r")) == NULL) 841558Srgrimes quit("fopen on %s fails: %s\n", _PATH_TTY, strerror(errno)); 851558Srgrimes attnmessage = question; 861558Srgrimes timeout = 0; 8792837Simp alarmcatch(0); 881558Srgrimes back = -1; 891558Srgrimes errcount = 0; 901558Srgrimes do { 911558Srgrimes if (fgets(replybuffer, 63, mytty) == NULL) { 921558Srgrimes clearerr(mytty); 931558Srgrimes if (++errcount > 30) /* XXX ugly */ 941558Srgrimes quit("excessive operator query failures\n"); 951558Srgrimes } else if (replybuffer[0] == 'y' || replybuffer[0] == 'Y') { 961558Srgrimes back = 1; 971558Srgrimes } else if (replybuffer[0] == 'n' || replybuffer[0] == 'N') { 981558Srgrimes back = 0; 991558Srgrimes } else { 1001558Srgrimes (void) fprintf(stderr, 1011558Srgrimes " DUMP: \"Yes\" or \"No\"?\n"); 1021558Srgrimes (void) fprintf(stderr, 1031558Srgrimes " DUMP: %s: (\"yes\" or \"no\") ", question); 1041558Srgrimes } 1051558Srgrimes } while (back < 0); 1061558Srgrimes 1071558Srgrimes /* 1081558Srgrimes * Turn off the alarm, and reset the signal to trap out.. 1091558Srgrimes */ 1101558Srgrimes (void) alarm(0); 1111558Srgrimes if (signal(SIGALRM, sig) == SIG_IGN) 1121558Srgrimes signal(SIGALRM, SIG_IGN); 1131558Srgrimes (void) fclose(mytty); 1141558Srgrimes return(back); 1151558Srgrimes} 1161558Srgrimes 11783083Sruchar lastmsg[BUFSIZ]; 1181558Srgrimes 1191558Srgrimes/* 1201558Srgrimes * Alert the console operator, and enable the alarm clock to 1211558Srgrimes * sleep for 2 minutes in case nobody comes to satisfy dump 1221558Srgrimes */ 1231558Srgrimesvoid 12492837Simpalarmcatch(int sig __unused) 1251558Srgrimes{ 1261558Srgrimes if (notify == 0) { 1271558Srgrimes if (timeout == 0) 1281558Srgrimes (void) fprintf(stderr, 1291558Srgrimes " DUMP: %s: (\"yes\" or \"no\") ", 1301558Srgrimes attnmessage); 1311558Srgrimes else 13271750Sphk msgtail("\a\a"); 1331558Srgrimes } else { 1341558Srgrimes if (timeout) { 1351558Srgrimes msgtail("\n"); 1361558Srgrimes broadcast(""); /* just print last msg */ 1371558Srgrimes } 1381558Srgrimes (void) fprintf(stderr," DUMP: %s: (\"yes\" or \"no\") ", 1391558Srgrimes attnmessage); 1401558Srgrimes } 1411558Srgrimes signal(SIGALRM, alarmcatch); 1421558Srgrimes (void) alarm(120); 1431558Srgrimes timeout = 1; 1441558Srgrimes} 1451558Srgrimes 1461558Srgrimes/* 1471558Srgrimes * Here if an inquisitive operator interrupts the dump program 1481558Srgrimes */ 1491558Srgrimesvoid 15092837Simpinterrupt(int signo __unused) 1511558Srgrimes{ 1521558Srgrimes msg("Interrupt received.\n"); 1531558Srgrimes if (query("Do you want to abort dump?")) 1541558Srgrimes dumpabort(0); 1551558Srgrimes} 1561558Srgrimes 1571558Srgrimes/* 15883083Sru * We now use wall(1) to do the actual broadcasting. 1591558Srgrimes */ 1601558Srgrimesvoid 16192837Simpbroadcast(const char *message) 1621558Srgrimes{ 16383083Sru FILE *fp; 16483083Sru char buf[sizeof(_PATH_WALL) + sizeof(OPGRENT) + 3]; 1651558Srgrimes 16683083Sru if (!notify) 1671558Srgrimes return; 1681558Srgrimes 16983083Sru snprintf(buf, sizeof(buf), "%s -g %s", _PATH_WALL, OPGRENT); 17083083Sru if ((fp = popen(buf, "w")) == NULL) 1711558Srgrimes return; 1721558Srgrimes 17383083Sru (void) fputs("\a\a\aMessage from the dump program to all operators\n\nDUMP: NEEDS ATTENTION: ", fp); 17483083Sru if (lastmsg[0]) 17583083Sru (void) fputs(lastmsg, fp); 17683083Sru if (message[0]) 17783083Sru (void) fputs(message, fp); 1781558Srgrimes 17983083Sru (void) pclose(fp); 1801558Srgrimes} 1811558Srgrimes 1821558Srgrimes/* 18383083Sru * Print out an estimate of the amount of time left to do the dump 1841558Srgrimes */ 1851558Srgrimes 1861558Srgrimestime_t tschedule = 0; 1871558Srgrimes 1881558Srgrimesvoid 18992837Simptimeest(void) 1901558Srgrimes{ 19190743Siedowse double percent; 192129556Simp time_t tnow, tdone; 193161000Srse char *tdone_str; 19490743Siedowse int deltat, hours, mins; 1951558Srgrimes 196130753Siedowse (void)time(&tnow); 197129556Simp if (blockswritten > tapesize) { 198129556Simp setproctitle("%s: 99.99%% done, finished soon", disk); 199130753Siedowse if (tnow >= tschedule) { 200130753Siedowse tschedule = tnow + 300; 201130753Siedowse msg("99.99%% done, finished soon\n"); 202130753Siedowse } 203129556Simp } else { 204129556Simp deltat = (blockswritten == 0) ? 0 : tstart_writing - tnow + 205129556Simp (double)(tnow - tstart_writing) / blockswritten * tapesize; 206129556Simp tdone = tnow + deltat; 207129556Simp percent = (blockswritten * 100.0) / tapesize; 208129556Simp hours = deltat / 3600; 209129556Simp mins = (deltat % 3600) / 60; 21090743Siedowse 211161000Srse tdone_str = ctime(&tdone); 212161025Smarck tdone_str[strlen(tdone_str) - 1] = '\0'; 213129556Simp setproctitle( 214161017Smarck "%s: pass %d: %3.2f%% done, finished in %d:%02d at %s", 215161017Smarck disk, passno, percent, hours, mins, tdone_str); 216129556Simp if (tnow >= tschedule) { 217129556Simp tschedule = tnow + 300; 218129556Simp if (blockswritten < 500) 219129556Simp return; 220161017Smarck msg("%3.2f%% done, finished in %d:%02d at %s\n", percent, 221161000Srse hours, mins, tdone_str); 222129556Simp } 2231558Srgrimes } 2241558Srgrimes} 2251558Srgrimes 22690742Siedowse/* 22790742Siedowse * Schedule a printout of the estimate in the next call to timeest(). 22890742Siedowse */ 2291558Srgrimesvoid 23092837Simpinfosch(int signal __unused) 23190742Siedowse{ 23290742Siedowse tschedule = 0; 23390742Siedowse} 23490742Siedowse 23590742Siedowsevoid 2361558Srgrimesmsg(const char *fmt, ...) 2371558Srgrimes{ 2381558Srgrimes va_list ap; 2391558Srgrimes 2401558Srgrimes (void) fprintf(stderr," DUMP: "); 2411558Srgrimes#ifdef TDEBUG 2421558Srgrimes (void) fprintf(stderr, "pid=%d ", getpid()); 2431558Srgrimes#endif 2441558Srgrimes va_start(ap, fmt); 245120323Sps (void) vfprintf(stderr, fmt, ap); 246141965Sobrien va_end(ap); 2471558Srgrimes (void) fflush(stdout); 2481558Srgrimes (void) fflush(stderr); 249139422Sobrien va_start(ap, fmt); 250139422Sobrien (void) vsnprintf(lastmsg, sizeof(lastmsg), fmt, ap); 251139422Sobrien va_end(ap); 2521558Srgrimes} 2531558Srgrimes 2541558Srgrimesvoid 2551558Srgrimesmsgtail(const char *fmt, ...) 2561558Srgrimes{ 2571558Srgrimes va_list ap; 258141965Sobrien 2591558Srgrimes va_start(ap, fmt); 2601558Srgrimes (void) vfprintf(stderr, fmt, ap); 2611558Srgrimes va_end(ap); 2621558Srgrimes} 2631558Srgrimes 2641558Srgrimesvoid 2651558Srgrimesquit(const char *fmt, ...) 2661558Srgrimes{ 2671558Srgrimes va_list ap; 2681558Srgrimes 2691558Srgrimes (void) fprintf(stderr," DUMP: "); 2701558Srgrimes#ifdef TDEBUG 2711558Srgrimes (void) fprintf(stderr, "pid=%d ", getpid()); 2721558Srgrimes#endif 2731558Srgrimes va_start(ap, fmt); 2741558Srgrimes (void) vfprintf(stderr, fmt, ap); 2751558Srgrimes va_end(ap); 2761558Srgrimes (void) fflush(stdout); 2771558Srgrimes (void) fflush(stderr); 2781558Srgrimes dumpabort(0); 2791558Srgrimes} 2801558Srgrimes 2811558Srgrimes/* 2821558Srgrimes * Tell the operator what has to be done; 2831558Srgrimes * we don't actually do it 2841558Srgrimes */ 2851558Srgrimes 2861558Srgrimesstruct fstab * 28792837Simpallocfsent(const struct fstab *fs) 2881558Srgrimes{ 28986473Siedowse struct fstab *new; 2901558Srgrimes 2911558Srgrimes new = (struct fstab *)malloc(sizeof (*fs)); 2921558Srgrimes if (new == NULL || 2931558Srgrimes (new->fs_file = strdup(fs->fs_file)) == NULL || 2941558Srgrimes (new->fs_type = strdup(fs->fs_type)) == NULL || 2951558Srgrimes (new->fs_spec = strdup(fs->fs_spec)) == NULL) 2961558Srgrimes quit("%s\n", strerror(errno)); 2971558Srgrimes new->fs_passno = fs->fs_passno; 2981558Srgrimes new->fs_freq = fs->fs_freq; 2991558Srgrimes return (new); 3001558Srgrimes} 3011558Srgrimes 3021558Srgrimesstruct pfstab { 30371787Sphk SLIST_ENTRY(pfstab) pf_list; 3041558Srgrimes struct fstab *pf_fstab; 3051558Srgrimes}; 3061558Srgrimes 30771787Sphkstatic SLIST_HEAD(, pfstab) table; 3081558Srgrimes 3091558Srgrimesvoid 310113214Smdodddump_getfstab(void) 3111558Srgrimes{ 31286473Siedowse struct fstab *fs; 31386473Siedowse struct pfstab *pf; 3141558Srgrimes 3151558Srgrimes if (setfsent() == 0) { 3161558Srgrimes msg("Can't open %s for dump table information: %s\n", 3171558Srgrimes _PATH_FSTAB, strerror(errno)); 3181558Srgrimes return; 3191558Srgrimes } 3201558Srgrimes while ((fs = getfsent()) != NULL) { 321189267Scy if ((strcmp(fs->fs_type, FSTAB_RW) && 3221558Srgrimes strcmp(fs->fs_type, FSTAB_RO) && 323189267Scy strcmp(fs->fs_type, FSTAB_RQ)) || 324189267Scy strcmp(fs->fs_vfstype, "ufs")) 3251558Srgrimes continue; 3261558Srgrimes fs = allocfsent(fs); 3271558Srgrimes if ((pf = (struct pfstab *)malloc(sizeof (*pf))) == NULL) 3281558Srgrimes quit("%s\n", strerror(errno)); 3291558Srgrimes pf->pf_fstab = fs; 33071787Sphk SLIST_INSERT_HEAD(&table, pf, pf_list); 3311558Srgrimes } 3321558Srgrimes (void) endfsent(); 3331558Srgrimes} 3341558Srgrimes 3351558Srgrimes/* 3361558Srgrimes * Search in the fstab for a file name. 3371558Srgrimes * This file name can be either the special or the path file name. 3381558Srgrimes * 3391558Srgrimes * The file name can omit the leading '/'. 3401558Srgrimes */ 3411558Srgrimesstruct fstab * 34292837Simpfstabsearch(const char *key) 3431558Srgrimes{ 34486473Siedowse struct pfstab *pf; 34586473Siedowse struct fstab *fs; 3461558Srgrimes char *rn; 3471558Srgrimes 34871787Sphk SLIST_FOREACH(pf, &table, pf_list) { 3491558Srgrimes fs = pf->pf_fstab; 3501558Srgrimes if (strcmp(fs->fs_file, key) == 0 || 3511558Srgrimes strcmp(fs->fs_spec, key) == 0) 3521558Srgrimes return (fs); 3531558Srgrimes rn = rawname(fs->fs_spec); 3541558Srgrimes if (rn != NULL && strcmp(rn, key) == 0) 3551558Srgrimes return (fs); 3561558Srgrimes if (key[0] != '/') { 3571558Srgrimes if (*fs->fs_spec == '/' && 3581558Srgrimes strcmp(fs->fs_spec + 1, key) == 0) 3591558Srgrimes return (fs); 3601558Srgrimes if (*fs->fs_file == '/' && 3611558Srgrimes strcmp(fs->fs_file + 1, key) == 0) 3621558Srgrimes return (fs); 3631558Srgrimes } 3641558Srgrimes } 3651558Srgrimes return (NULL); 3661558Srgrimes} 3671558Srgrimes 3681558Srgrimes/* 3691558Srgrimes * Tell the operator what to do 3701558Srgrimes */ 3711558Srgrimesvoid 37292837Simplastdump(int arg) /* w ==> just what to do; W ==> most recent dumps */ 3731558Srgrimes{ 37486473Siedowse int i; 37586473Siedowse struct fstab *dt; 37686473Siedowse struct dumpdates *dtwalk; 3771558Srgrimes char *lastname, *date; 3781558Srgrimes int dumpme; 37948447Sjkh time_t tnow; 38048447Sjkh struct tm *tlast; 3811558Srgrimes 3821558Srgrimes (void) time(&tnow); 383113214Smdodd dump_getfstab(); /* /etc/fstab input */ 3841558Srgrimes initdumptimes(); /* /etc/dumpdates input */ 3851558Srgrimes qsort((char *) ddatev, nddates, sizeof(struct dumpdates *), datesort); 3861558Srgrimes 3871558Srgrimes if (arg == 'w') 388102231Strhodes (void) printf("Dump these file systems:\n"); 3891558Srgrimes else 390102231Strhodes (void) printf("Last dump(s) done (Dump '>' file systems):\n"); 3911558Srgrimes lastname = "??"; 3921558Srgrimes ITITERATE(i, dtwalk) { 3931558Srgrimes if (strncmp(lastname, dtwalk->dd_name, 3941558Srgrimes sizeof(dtwalk->dd_name)) == 0) 3951558Srgrimes continue; 39648447Sjkh date = (char *)ctime(&dtwalk->dd_ddate); 3971558Srgrimes date[16] = '\0'; /* blast away seconds and year */ 3981558Srgrimes lastname = dtwalk->dd_name; 3991558Srgrimes dt = fstabsearch(dtwalk->dd_name); 40048447Sjkh dumpme = (dt != NULL && dt->fs_freq != 0); 40148447Sjkh if (dumpme) { 40248447Sjkh tlast = localtime(&dtwalk->dd_ddate); 40348447Sjkh dumpme = tnow > (dtwalk->dd_ddate - (tlast->tm_hour * 3600) 40448447Sjkh - (tlast->tm_min * 60) - tlast->tm_sec 40548447Sjkh + (dt->fs_freq * 86400)); 40648447Sjkh }; 4071558Srgrimes if (arg != 'w' || dumpme) 4081558Srgrimes (void) printf( 409193022Sbrian "%c %8s\t(%6s) Last dump: Level %d, Date %s\n", 4101558Srgrimes dumpme && (arg != 'w') ? '>' : ' ', 4111558Srgrimes dtwalk->dd_name, 4121558Srgrimes dt ? dt->fs_file : "", 4131558Srgrimes dtwalk->dd_level, 4141558Srgrimes date); 4151558Srgrimes } 4161558Srgrimes} 4171558Srgrimes 4181558Srgrimesint 41992837Simpdatesort(const void *a1, const void *a2) 4201558Srgrimes{ 4211558Srgrimes struct dumpdates *d1 = *(struct dumpdates **)a1; 4221558Srgrimes struct dumpdates *d2 = *(struct dumpdates **)a2; 4231558Srgrimes int diff; 4241558Srgrimes 4251558Srgrimes diff = strncmp(d1->dd_name, d2->dd_name, sizeof(d1->dd_name)); 4261558Srgrimes if (diff == 0) 4271558Srgrimes return (d2->dd_ddate - d1->dd_ddate); 4281558Srgrimes return (diff); 4291558Srgrimes} 430