edquota.c revision 1553
11553Srgrimes/* 21553Srgrimes * Copyright (c) 1980, 1990, 1993 31553Srgrimes * The Regents of the University of California. All rights reserved. 41553Srgrimes * 51553Srgrimes * This code is derived from software contributed to Berkeley by 61553Srgrimes * Robert Elz at The University of Melbourne. 71553Srgrimes * 81553Srgrimes * Redistribution and use in source and binary forms, with or without 91553Srgrimes * modification, are permitted provided that the following conditions 101553Srgrimes * are met: 111553Srgrimes * 1. Redistributions of source code must retain the above copyright 121553Srgrimes * notice, this list of conditions and the following disclaimer. 131553Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 141553Srgrimes * notice, this list of conditions and the following disclaimer in the 151553Srgrimes * documentation and/or other materials provided with the distribution. 161553Srgrimes * 3. All advertising materials mentioning features or use of this software 171553Srgrimes * must display the following acknowledgement: 181553Srgrimes * This product includes software developed by the University of 191553Srgrimes * California, Berkeley and its contributors. 201553Srgrimes * 4. Neither the name of the University nor the names of its contributors 211553Srgrimes * may be used to endorse or promote products derived from this software 221553Srgrimes * without specific prior written permission. 231553Srgrimes * 241553Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 251553Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 261553Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 271553Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 281553Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 291553Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 301553Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 311553Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 321553Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 331553Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 341553Srgrimes * SUCH DAMAGE. 351553Srgrimes */ 361553Srgrimes 371553Srgrimes#ifndef lint 381553Srgrimesstatic char copyright[] = 391553Srgrimes"@(#) Copyright (c) 1980, 1990, 1993\n\ 401553Srgrimes The Regents of the University of California. All rights reserved.\n"; 411553Srgrimes#endif /* not lint */ 421553Srgrimes 431553Srgrimes#ifndef lint 441553Srgrimesstatic char sccsid[] = "@(#)edquota.c 8.1 (Berkeley) 6/6/93"; 451553Srgrimes#endif /* not lint */ 461553Srgrimes 471553Srgrimes/* 481553Srgrimes * Disk quota editor. 491553Srgrimes */ 501553Srgrimes#include <sys/param.h> 511553Srgrimes#include <sys/stat.h> 521553Srgrimes#include <sys/file.h> 531553Srgrimes#include <sys/wait.h> 541553Srgrimes#include <ufs/ufs/quota.h> 551553Srgrimes#include <errno.h> 561553Srgrimes#include <fstab.h> 571553Srgrimes#include <pwd.h> 581553Srgrimes#include <grp.h> 591553Srgrimes#include <ctype.h> 601553Srgrimes#include <stdio.h> 611553Srgrimes#include <string.h> 621553Srgrimes#include <unistd.h> 631553Srgrimes#include "pathnames.h" 641553Srgrimes 651553Srgrimeschar *qfname = QUOTAFILENAME; 661553Srgrimeschar *qfextension[] = INITQFNAMES; 671553Srgrimeschar *quotagroup = QUOTAGROUP; 681553Srgrimeschar tmpfil[] = _PATH_TMP; 691553Srgrimes 701553Srgrimesstruct quotause { 711553Srgrimes struct quotause *next; 721553Srgrimes long flags; 731553Srgrimes struct dqblk dqblk; 741553Srgrimes char fsname[MAXPATHLEN + 1]; 751553Srgrimes char qfname[1]; /* actually longer */ 761553Srgrimes} *getprivs(); 771553Srgrimes#define FOUND 0x01 781553Srgrimes 791553Srgrimesmain(argc, argv) 801553Srgrimes register char **argv; 811553Srgrimes int argc; 821553Srgrimes{ 831553Srgrimes register struct quotause *qup, *protoprivs, *curprivs; 841553Srgrimes extern char *optarg; 851553Srgrimes extern int optind; 861553Srgrimes register long id, protoid; 871553Srgrimes register int quotatype, tmpfd; 881553Srgrimes char *protoname, ch; 891553Srgrimes int tflag = 0, pflag = 0; 901553Srgrimes 911553Srgrimes if (argc < 2) 921553Srgrimes usage(); 931553Srgrimes if (getuid()) { 941553Srgrimes fprintf(stderr, "edquota: permission denied\n"); 951553Srgrimes exit(1); 961553Srgrimes } 971553Srgrimes quotatype = USRQUOTA; 981553Srgrimes while ((ch = getopt(argc, argv, "ugtp:")) != EOF) { 991553Srgrimes switch(ch) { 1001553Srgrimes case 'p': 1011553Srgrimes protoname = optarg; 1021553Srgrimes pflag++; 1031553Srgrimes break; 1041553Srgrimes case 'g': 1051553Srgrimes quotatype = GRPQUOTA; 1061553Srgrimes break; 1071553Srgrimes case 'u': 1081553Srgrimes quotatype = USRQUOTA; 1091553Srgrimes break; 1101553Srgrimes case 't': 1111553Srgrimes tflag++; 1121553Srgrimes break; 1131553Srgrimes default: 1141553Srgrimes usage(); 1151553Srgrimes } 1161553Srgrimes } 1171553Srgrimes argc -= optind; 1181553Srgrimes argv += optind; 1191553Srgrimes if (pflag) { 1201553Srgrimes if ((protoid = getentry(protoname, quotatype)) == -1) 1211553Srgrimes exit(1); 1221553Srgrimes protoprivs = getprivs(protoid, quotatype); 1231553Srgrimes for (qup = protoprivs; qup; qup = qup->next) { 1241553Srgrimes qup->dqblk.dqb_btime = 0; 1251553Srgrimes qup->dqblk.dqb_itime = 0; 1261553Srgrimes } 1271553Srgrimes while (argc-- > 0) { 1281553Srgrimes if ((id = getentry(*argv++, quotatype)) < 0) 1291553Srgrimes continue; 1301553Srgrimes putprivs(id, quotatype, protoprivs); 1311553Srgrimes } 1321553Srgrimes exit(0); 1331553Srgrimes } 1341553Srgrimes tmpfd = mkstemp(tmpfil); 1351553Srgrimes fchown(tmpfd, getuid(), getgid()); 1361553Srgrimes if (tflag) { 1371553Srgrimes protoprivs = getprivs(0, quotatype); 1381553Srgrimes if (writetimes(protoprivs, tmpfd, quotatype) == 0) 1391553Srgrimes exit(1); 1401553Srgrimes if (editit(tmpfil) && readtimes(protoprivs, tmpfd)) 1411553Srgrimes putprivs(0, quotatype, protoprivs); 1421553Srgrimes freeprivs(protoprivs); 1431553Srgrimes exit(0); 1441553Srgrimes } 1451553Srgrimes for ( ; argc > 0; argc--, argv++) { 1461553Srgrimes if ((id = getentry(*argv, quotatype)) == -1) 1471553Srgrimes continue; 1481553Srgrimes curprivs = getprivs(id, quotatype); 1491553Srgrimes if (writeprivs(curprivs, tmpfd, *argv, quotatype) == 0) 1501553Srgrimes continue; 1511553Srgrimes if (editit(tmpfil) && readprivs(curprivs, tmpfd)) 1521553Srgrimes putprivs(id, quotatype, curprivs); 1531553Srgrimes freeprivs(curprivs); 1541553Srgrimes } 1551553Srgrimes close(tmpfd); 1561553Srgrimes unlink(tmpfil); 1571553Srgrimes exit(0); 1581553Srgrimes} 1591553Srgrimes 1601553Srgrimesusage() 1611553Srgrimes{ 1621553Srgrimes fprintf(stderr, "%s%s%s%s", 1631553Srgrimes "Usage: edquota [-u] [-p username] username ...\n", 1641553Srgrimes "\tedquota -g [-p groupname] groupname ...\n", 1651553Srgrimes "\tedquota [-u] -t\n", "\tedquota -g -t\n"); 1661553Srgrimes exit(1); 1671553Srgrimes} 1681553Srgrimes 1691553Srgrimes/* 1701553Srgrimes * This routine converts a name for a particular quota type to 1711553Srgrimes * an identifier. This routine must agree with the kernel routine 1721553Srgrimes * getinoquota as to the interpretation of quota types. 1731553Srgrimes */ 1741553Srgrimesgetentry(name, quotatype) 1751553Srgrimes char *name; 1761553Srgrimes int quotatype; 1771553Srgrimes{ 1781553Srgrimes struct passwd *pw; 1791553Srgrimes struct group *gr; 1801553Srgrimes 1811553Srgrimes if (alldigits(name)) 1821553Srgrimes return (atoi(name)); 1831553Srgrimes switch(quotatype) { 1841553Srgrimes case USRQUOTA: 1851553Srgrimes if (pw = getpwnam(name)) 1861553Srgrimes return (pw->pw_uid); 1871553Srgrimes fprintf(stderr, "%s: no such user\n", name); 1881553Srgrimes break; 1891553Srgrimes case GRPQUOTA: 1901553Srgrimes if (gr = getgrnam(name)) 1911553Srgrimes return (gr->gr_gid); 1921553Srgrimes fprintf(stderr, "%s: no such group\n", name); 1931553Srgrimes break; 1941553Srgrimes default: 1951553Srgrimes fprintf(stderr, "%d: unknown quota type\n", quotatype); 1961553Srgrimes break; 1971553Srgrimes } 1981553Srgrimes sleep(1); 1991553Srgrimes return (-1); 2001553Srgrimes} 2011553Srgrimes 2021553Srgrimes/* 2031553Srgrimes * Collect the requested quota information. 2041553Srgrimes */ 2051553Srgrimesstruct quotause * 2061553Srgrimesgetprivs(id, quotatype) 2071553Srgrimes register long id; 2081553Srgrimes int quotatype; 2091553Srgrimes{ 2101553Srgrimes register struct fstab *fs; 2111553Srgrimes register struct quotause *qup, *quptail; 2121553Srgrimes struct quotause *quphead; 2131553Srgrimes int qcmd, qupsize, fd; 2141553Srgrimes char *qfpathname; 2151553Srgrimes static int warned = 0; 2161553Srgrimes extern int errno; 2171553Srgrimes 2181553Srgrimes setfsent(); 2191553Srgrimes quphead = (struct quotause *)0; 2201553Srgrimes qcmd = QCMD(Q_GETQUOTA, quotatype); 2211553Srgrimes while (fs = getfsent()) { 2221553Srgrimes if (strcmp(fs->fs_vfstype, "ufs")) 2231553Srgrimes continue; 2241553Srgrimes if (!hasquota(fs, quotatype, &qfpathname)) 2251553Srgrimes continue; 2261553Srgrimes qupsize = sizeof(*qup) + strlen(qfpathname); 2271553Srgrimes if ((qup = (struct quotause *)malloc(qupsize)) == NULL) { 2281553Srgrimes fprintf(stderr, "edquota: out of memory\n"); 2291553Srgrimes exit(2); 2301553Srgrimes } 2311553Srgrimes if (quotactl(fs->fs_file, qcmd, id, &qup->dqblk) != 0) { 2321553Srgrimes if (errno == EOPNOTSUPP && !warned) { 2331553Srgrimes warned++; 2341553Srgrimes fprintf(stderr, "Warning: %s\n", 2351553Srgrimes "Quotas are not compiled into this kernel"); 2361553Srgrimes sleep(3); 2371553Srgrimes } 2381553Srgrimes if ((fd = open(qfpathname, O_RDONLY)) < 0) { 2391553Srgrimes fd = open(qfpathname, O_RDWR|O_CREAT, 0640); 2401553Srgrimes if (fd < 0 && errno != ENOENT) { 2411553Srgrimes perror(qfpathname); 2421553Srgrimes free(qup); 2431553Srgrimes continue; 2441553Srgrimes } 2451553Srgrimes fprintf(stderr, "Creating quota file %s\n", 2461553Srgrimes qfpathname); 2471553Srgrimes sleep(3); 2481553Srgrimes (void) fchown(fd, getuid(), 2491553Srgrimes getentry(quotagroup, GRPQUOTA)); 2501553Srgrimes (void) fchmod(fd, 0640); 2511553Srgrimes } 2521553Srgrimes lseek(fd, (long)(id * sizeof(struct dqblk)), L_SET); 2531553Srgrimes switch (read(fd, &qup->dqblk, sizeof(struct dqblk))) { 2541553Srgrimes case 0: /* EOF */ 2551553Srgrimes /* 2561553Srgrimes * Convert implicit 0 quota (EOF) 2571553Srgrimes * into an explicit one (zero'ed dqblk) 2581553Srgrimes */ 2591553Srgrimes bzero((caddr_t)&qup->dqblk, 2601553Srgrimes sizeof(struct dqblk)); 2611553Srgrimes break; 2621553Srgrimes 2631553Srgrimes case sizeof(struct dqblk): /* OK */ 2641553Srgrimes break; 2651553Srgrimes 2661553Srgrimes default: /* ERROR */ 2671553Srgrimes fprintf(stderr, "edquota: read error in "); 2681553Srgrimes perror(qfpathname); 2691553Srgrimes close(fd); 2701553Srgrimes free(qup); 2711553Srgrimes continue; 2721553Srgrimes } 2731553Srgrimes close(fd); 2741553Srgrimes } 2751553Srgrimes strcpy(qup->qfname, qfpathname); 2761553Srgrimes strcpy(qup->fsname, fs->fs_file); 2771553Srgrimes if (quphead == NULL) 2781553Srgrimes quphead = qup; 2791553Srgrimes else 2801553Srgrimes quptail->next = qup; 2811553Srgrimes quptail = qup; 2821553Srgrimes qup->next = 0; 2831553Srgrimes } 2841553Srgrimes endfsent(); 2851553Srgrimes return (quphead); 2861553Srgrimes} 2871553Srgrimes 2881553Srgrimes/* 2891553Srgrimes * Store the requested quota information. 2901553Srgrimes */ 2911553Srgrimesputprivs(id, quotatype, quplist) 2921553Srgrimes long id; 2931553Srgrimes int quotatype; 2941553Srgrimes struct quotause *quplist; 2951553Srgrimes{ 2961553Srgrimes register struct quotause *qup; 2971553Srgrimes int qcmd, fd; 2981553Srgrimes 2991553Srgrimes qcmd = QCMD(Q_SETQUOTA, quotatype); 3001553Srgrimes for (qup = quplist; qup; qup = qup->next) { 3011553Srgrimes if (quotactl(qup->fsname, qcmd, id, &qup->dqblk) == 0) 3021553Srgrimes continue; 3031553Srgrimes if ((fd = open(qup->qfname, O_WRONLY)) < 0) { 3041553Srgrimes perror(qup->qfname); 3051553Srgrimes } else { 3061553Srgrimes lseek(fd, (long)id * (long)sizeof (struct dqblk), 0); 3071553Srgrimes if (write(fd, &qup->dqblk, sizeof (struct dqblk)) != 3081553Srgrimes sizeof (struct dqblk)) { 3091553Srgrimes fprintf(stderr, "edquota: "); 3101553Srgrimes perror(qup->qfname); 3111553Srgrimes } 3121553Srgrimes close(fd); 3131553Srgrimes } 3141553Srgrimes } 3151553Srgrimes} 3161553Srgrimes 3171553Srgrimes/* 3181553Srgrimes * Take a list of priviledges and get it edited. 3191553Srgrimes */ 3201553Srgrimeseditit(tmpfile) 3211553Srgrimes char *tmpfile; 3221553Srgrimes{ 3231553Srgrimes long omask; 3241553Srgrimes int pid, stat; 3251553Srgrimes extern char *getenv(); 3261553Srgrimes 3271553Srgrimes omask = sigblock(sigmask(SIGINT)|sigmask(SIGQUIT)|sigmask(SIGHUP)); 3281553Srgrimes top: 3291553Srgrimes if ((pid = fork()) < 0) { 3301553Srgrimes extern errno; 3311553Srgrimes 3321553Srgrimes if (errno == EPROCLIM) { 3331553Srgrimes fprintf(stderr, "You have too many processes\n"); 3341553Srgrimes return(0); 3351553Srgrimes } 3361553Srgrimes if (errno == EAGAIN) { 3371553Srgrimes sleep(1); 3381553Srgrimes goto top; 3391553Srgrimes } 3401553Srgrimes perror("fork"); 3411553Srgrimes return (0); 3421553Srgrimes } 3431553Srgrimes if (pid == 0) { 3441553Srgrimes register char *ed; 3451553Srgrimes 3461553Srgrimes sigsetmask(omask); 3471553Srgrimes setgid(getgid()); 3481553Srgrimes setuid(getuid()); 3491553Srgrimes if ((ed = getenv("EDITOR")) == (char *)0) 3501553Srgrimes ed = _PATH_VI; 3511553Srgrimes execlp(ed, ed, tmpfile, 0); 3521553Srgrimes perror(ed); 3531553Srgrimes exit(1); 3541553Srgrimes } 3551553Srgrimes waitpid(pid, &stat, 0); 3561553Srgrimes sigsetmask(omask); 3571553Srgrimes if (!WIFEXITED(stat) || WEXITSTATUS(stat) != 0) 3581553Srgrimes return (0); 3591553Srgrimes return (1); 3601553Srgrimes} 3611553Srgrimes 3621553Srgrimes/* 3631553Srgrimes * Convert a quotause list to an ASCII file. 3641553Srgrimes */ 3651553Srgrimeswriteprivs(quplist, outfd, name, quotatype) 3661553Srgrimes struct quotause *quplist; 3671553Srgrimes int outfd; 3681553Srgrimes char *name; 3691553Srgrimes int quotatype; 3701553Srgrimes{ 3711553Srgrimes register struct quotause *qup; 3721553Srgrimes FILE *fd; 3731553Srgrimes 3741553Srgrimes ftruncate(outfd, 0); 3751553Srgrimes lseek(outfd, 0, L_SET); 3761553Srgrimes if ((fd = fdopen(dup(outfd), "w")) == NULL) { 3771553Srgrimes fprintf(stderr, "edquota: "); 3781553Srgrimes perror(tmpfil); 3791553Srgrimes exit(1); 3801553Srgrimes } 3811553Srgrimes fprintf(fd, "Quotas for %s %s:\n", qfextension[quotatype], name); 3821553Srgrimes for (qup = quplist; qup; qup = qup->next) { 3831553Srgrimes fprintf(fd, "%s: %s %d, limits (soft = %d, hard = %d)\n", 3841553Srgrimes qup->fsname, "blocks in use:", 3851553Srgrimes dbtob(qup->dqblk.dqb_curblocks) / 1024, 3861553Srgrimes dbtob(qup->dqblk.dqb_bsoftlimit) / 1024, 3871553Srgrimes dbtob(qup->dqblk.dqb_bhardlimit) / 1024); 3881553Srgrimes fprintf(fd, "%s %d, limits (soft = %d, hard = %d)\n", 3891553Srgrimes "\tinodes in use:", qup->dqblk.dqb_curinodes, 3901553Srgrimes qup->dqblk.dqb_isoftlimit, qup->dqblk.dqb_ihardlimit); 3911553Srgrimes } 3921553Srgrimes fclose(fd); 3931553Srgrimes return (1); 3941553Srgrimes} 3951553Srgrimes 3961553Srgrimes/* 3971553Srgrimes * Merge changes to an ASCII file into a quotause list. 3981553Srgrimes */ 3991553Srgrimesreadprivs(quplist, infd) 4001553Srgrimes struct quotause *quplist; 4011553Srgrimes int infd; 4021553Srgrimes{ 4031553Srgrimes register struct quotause *qup; 4041553Srgrimes FILE *fd; 4051553Srgrimes int cnt; 4061553Srgrimes register char *cp; 4071553Srgrimes struct dqblk dqblk; 4081553Srgrimes char *fsp, line1[BUFSIZ], line2[BUFSIZ]; 4091553Srgrimes 4101553Srgrimes lseek(infd, 0, L_SET); 4111553Srgrimes fd = fdopen(dup(infd), "r"); 4121553Srgrimes if (fd == NULL) { 4131553Srgrimes fprintf(stderr, "Can't re-read temp file!!\n"); 4141553Srgrimes return (0); 4151553Srgrimes } 4161553Srgrimes /* 4171553Srgrimes * Discard title line, then read pairs of lines to process. 4181553Srgrimes */ 4191553Srgrimes (void) fgets(line1, sizeof (line1), fd); 4201553Srgrimes while (fgets(line1, sizeof (line1), fd) != NULL && 4211553Srgrimes fgets(line2, sizeof (line2), fd) != NULL) { 4221553Srgrimes if ((fsp = strtok(line1, " \t:")) == NULL) { 4231553Srgrimes fprintf(stderr, "%s: bad format\n", line1); 4241553Srgrimes return (0); 4251553Srgrimes } 4261553Srgrimes if ((cp = strtok((char *)0, "\n")) == NULL) { 4271553Srgrimes fprintf(stderr, "%s: %s: bad format\n", fsp, 4281553Srgrimes &fsp[strlen(fsp) + 1]); 4291553Srgrimes return (0); 4301553Srgrimes } 4311553Srgrimes cnt = sscanf(cp, 4321553Srgrimes " blocks in use: %d, limits (soft = %d, hard = %d)", 4331553Srgrimes &dqblk.dqb_curblocks, &dqblk.dqb_bsoftlimit, 4341553Srgrimes &dqblk.dqb_bhardlimit); 4351553Srgrimes if (cnt != 3) { 4361553Srgrimes fprintf(stderr, "%s:%s: bad format\n", fsp, cp); 4371553Srgrimes return (0); 4381553Srgrimes } 4391553Srgrimes dqblk.dqb_curblocks = btodb(dqblk.dqb_curblocks * 1024); 4401553Srgrimes dqblk.dqb_bsoftlimit = btodb(dqblk.dqb_bsoftlimit * 1024); 4411553Srgrimes dqblk.dqb_bhardlimit = btodb(dqblk.dqb_bhardlimit * 1024); 4421553Srgrimes if ((cp = strtok(line2, "\n")) == NULL) { 4431553Srgrimes fprintf(stderr, "%s: %s: bad format\n", fsp, line2); 4441553Srgrimes return (0); 4451553Srgrimes } 4461553Srgrimes cnt = sscanf(cp, 4471553Srgrimes "\tinodes in use: %d, limits (soft = %d, hard = %d)", 4481553Srgrimes &dqblk.dqb_curinodes, &dqblk.dqb_isoftlimit, 4491553Srgrimes &dqblk.dqb_ihardlimit); 4501553Srgrimes if (cnt != 3) { 4511553Srgrimes fprintf(stderr, "%s: %s: bad format\n", fsp, line2); 4521553Srgrimes return (0); 4531553Srgrimes } 4541553Srgrimes for (qup = quplist; qup; qup = qup->next) { 4551553Srgrimes if (strcmp(fsp, qup->fsname)) 4561553Srgrimes continue; 4571553Srgrimes /* 4581553Srgrimes * Cause time limit to be reset when the quota 4591553Srgrimes * is next used if previously had no soft limit 4601553Srgrimes * or were under it, but now have a soft limit 4611553Srgrimes * and are over it. 4621553Srgrimes */ 4631553Srgrimes if (dqblk.dqb_bsoftlimit && 4641553Srgrimes qup->dqblk.dqb_curblocks >= dqblk.dqb_bsoftlimit && 4651553Srgrimes (qup->dqblk.dqb_bsoftlimit == 0 || 4661553Srgrimes qup->dqblk.dqb_curblocks < 4671553Srgrimes qup->dqblk.dqb_bsoftlimit)) 4681553Srgrimes qup->dqblk.dqb_btime = 0; 4691553Srgrimes if (dqblk.dqb_isoftlimit && 4701553Srgrimes qup->dqblk.dqb_curinodes >= dqblk.dqb_isoftlimit && 4711553Srgrimes (qup->dqblk.dqb_isoftlimit == 0 || 4721553Srgrimes qup->dqblk.dqb_curinodes < 4731553Srgrimes qup->dqblk.dqb_isoftlimit)) 4741553Srgrimes qup->dqblk.dqb_itime = 0; 4751553Srgrimes qup->dqblk.dqb_bsoftlimit = dqblk.dqb_bsoftlimit; 4761553Srgrimes qup->dqblk.dqb_bhardlimit = dqblk.dqb_bhardlimit; 4771553Srgrimes qup->dqblk.dqb_isoftlimit = dqblk.dqb_isoftlimit; 4781553Srgrimes qup->dqblk.dqb_ihardlimit = dqblk.dqb_ihardlimit; 4791553Srgrimes qup->flags |= FOUND; 4801553Srgrimes if (dqblk.dqb_curblocks == qup->dqblk.dqb_curblocks && 4811553Srgrimes dqblk.dqb_curinodes == qup->dqblk.dqb_curinodes) 4821553Srgrimes break; 4831553Srgrimes fprintf(stderr, 4841553Srgrimes "%s: cannot change current allocation\n", fsp); 4851553Srgrimes break; 4861553Srgrimes } 4871553Srgrimes } 4881553Srgrimes fclose(fd); 4891553Srgrimes /* 4901553Srgrimes * Disable quotas for any filesystems that have not been found. 4911553Srgrimes */ 4921553Srgrimes for (qup = quplist; qup; qup = qup->next) { 4931553Srgrimes if (qup->flags & FOUND) { 4941553Srgrimes qup->flags &= ~FOUND; 4951553Srgrimes continue; 4961553Srgrimes } 4971553Srgrimes qup->dqblk.dqb_bsoftlimit = 0; 4981553Srgrimes qup->dqblk.dqb_bhardlimit = 0; 4991553Srgrimes qup->dqblk.dqb_isoftlimit = 0; 5001553Srgrimes qup->dqblk.dqb_ihardlimit = 0; 5011553Srgrimes } 5021553Srgrimes return (1); 5031553Srgrimes} 5041553Srgrimes 5051553Srgrimes/* 5061553Srgrimes * Convert a quotause list to an ASCII file of grace times. 5071553Srgrimes */ 5081553Srgrimeswritetimes(quplist, outfd, quotatype) 5091553Srgrimes struct quotause *quplist; 5101553Srgrimes int outfd; 5111553Srgrimes int quotatype; 5121553Srgrimes{ 5131553Srgrimes register struct quotause *qup; 5141553Srgrimes char *cvtstoa(); 5151553Srgrimes FILE *fd; 5161553Srgrimes 5171553Srgrimes ftruncate(outfd, 0); 5181553Srgrimes lseek(outfd, 0, L_SET); 5191553Srgrimes if ((fd = fdopen(dup(outfd), "w")) == NULL) { 5201553Srgrimes fprintf(stderr, "edquota: "); 5211553Srgrimes perror(tmpfil); 5221553Srgrimes exit(1); 5231553Srgrimes } 5241553Srgrimes fprintf(fd, "Time units may be: days, hours, minutes, or seconds\n"); 5251553Srgrimes fprintf(fd, "Grace period before enforcing soft limits for %ss:\n", 5261553Srgrimes qfextension[quotatype]); 5271553Srgrimes for (qup = quplist; qup; qup = qup->next) { 5281553Srgrimes fprintf(fd, "%s: block grace period: %s, ", 5291553Srgrimes qup->fsname, cvtstoa(qup->dqblk.dqb_btime)); 5301553Srgrimes fprintf(fd, "file grace period: %s\n", 5311553Srgrimes cvtstoa(qup->dqblk.dqb_itime)); 5321553Srgrimes } 5331553Srgrimes fclose(fd); 5341553Srgrimes return (1); 5351553Srgrimes} 5361553Srgrimes 5371553Srgrimes/* 5381553Srgrimes * Merge changes of grace times in an ASCII file into a quotause list. 5391553Srgrimes */ 5401553Srgrimesreadtimes(quplist, infd) 5411553Srgrimes struct quotause *quplist; 5421553Srgrimes int infd; 5431553Srgrimes{ 5441553Srgrimes register struct quotause *qup; 5451553Srgrimes FILE *fd; 5461553Srgrimes int cnt; 5471553Srgrimes register char *cp; 5481553Srgrimes time_t itime, btime, iseconds, bseconds; 5491553Srgrimes char *fsp, bunits[10], iunits[10], line1[BUFSIZ]; 5501553Srgrimes 5511553Srgrimes lseek(infd, 0, L_SET); 5521553Srgrimes fd = fdopen(dup(infd), "r"); 5531553Srgrimes if (fd == NULL) { 5541553Srgrimes fprintf(stderr, "Can't re-read temp file!!\n"); 5551553Srgrimes return (0); 5561553Srgrimes } 5571553Srgrimes /* 5581553Srgrimes * Discard two title lines, then read lines to process. 5591553Srgrimes */ 5601553Srgrimes (void) fgets(line1, sizeof (line1), fd); 5611553Srgrimes (void) fgets(line1, sizeof (line1), fd); 5621553Srgrimes while (fgets(line1, sizeof (line1), fd) != NULL) { 5631553Srgrimes if ((fsp = strtok(line1, " \t:")) == NULL) { 5641553Srgrimes fprintf(stderr, "%s: bad format\n", line1); 5651553Srgrimes return (0); 5661553Srgrimes } 5671553Srgrimes if ((cp = strtok((char *)0, "\n")) == NULL) { 5681553Srgrimes fprintf(stderr, "%s: %s: bad format\n", fsp, 5691553Srgrimes &fsp[strlen(fsp) + 1]); 5701553Srgrimes return (0); 5711553Srgrimes } 5721553Srgrimes cnt = sscanf(cp, 5731553Srgrimes " block grace period: %d %s file grace period: %d %s", 5741553Srgrimes &btime, bunits, &itime, iunits); 5751553Srgrimes if (cnt != 4) { 5761553Srgrimes fprintf(stderr, "%s:%s: bad format\n", fsp, cp); 5771553Srgrimes return (0); 5781553Srgrimes } 5791553Srgrimes if (cvtatos(btime, bunits, &bseconds) == 0) 5801553Srgrimes return (0); 5811553Srgrimes if (cvtatos(itime, iunits, &iseconds) == 0) 5821553Srgrimes return (0); 5831553Srgrimes for (qup = quplist; qup; qup = qup->next) { 5841553Srgrimes if (strcmp(fsp, qup->fsname)) 5851553Srgrimes continue; 5861553Srgrimes qup->dqblk.dqb_btime = bseconds; 5871553Srgrimes qup->dqblk.dqb_itime = iseconds; 5881553Srgrimes qup->flags |= FOUND; 5891553Srgrimes break; 5901553Srgrimes } 5911553Srgrimes } 5921553Srgrimes fclose(fd); 5931553Srgrimes /* 5941553Srgrimes * reset default grace periods for any filesystems 5951553Srgrimes * that have not been found. 5961553Srgrimes */ 5971553Srgrimes for (qup = quplist; qup; qup = qup->next) { 5981553Srgrimes if (qup->flags & FOUND) { 5991553Srgrimes qup->flags &= ~FOUND; 6001553Srgrimes continue; 6011553Srgrimes } 6021553Srgrimes qup->dqblk.dqb_btime = 0; 6031553Srgrimes qup->dqblk.dqb_itime = 0; 6041553Srgrimes } 6051553Srgrimes return (1); 6061553Srgrimes} 6071553Srgrimes 6081553Srgrimes/* 6091553Srgrimes * Convert seconds to ASCII times. 6101553Srgrimes */ 6111553Srgrimeschar * 6121553Srgrimescvtstoa(time) 6131553Srgrimes time_t time; 6141553Srgrimes{ 6151553Srgrimes static char buf[20]; 6161553Srgrimes 6171553Srgrimes if (time % (24 * 60 * 60) == 0) { 6181553Srgrimes time /= 24 * 60 * 60; 6191553Srgrimes sprintf(buf, "%d day%s", time, time == 1 ? "" : "s"); 6201553Srgrimes } else if (time % (60 * 60) == 0) { 6211553Srgrimes time /= 60 * 60; 6221553Srgrimes sprintf(buf, "%d hour%s", time, time == 1 ? "" : "s"); 6231553Srgrimes } else if (time % 60 == 0) { 6241553Srgrimes time /= 60; 6251553Srgrimes sprintf(buf, "%d minute%s", time, time == 1 ? "" : "s"); 6261553Srgrimes } else 6271553Srgrimes sprintf(buf, "%d second%s", time, time == 1 ? "" : "s"); 6281553Srgrimes return (buf); 6291553Srgrimes} 6301553Srgrimes 6311553Srgrimes/* 6321553Srgrimes * Convert ASCII input times to seconds. 6331553Srgrimes */ 6341553Srgrimescvtatos(time, units, seconds) 6351553Srgrimes time_t time; 6361553Srgrimes char *units; 6371553Srgrimes time_t *seconds; 6381553Srgrimes{ 6391553Srgrimes 6401553Srgrimes if (bcmp(units, "second", 6) == 0) 6411553Srgrimes *seconds = time; 6421553Srgrimes else if (bcmp(units, "minute", 6) == 0) 6431553Srgrimes *seconds = time * 60; 6441553Srgrimes else if (bcmp(units, "hour", 4) == 0) 6451553Srgrimes *seconds = time * 60 * 60; 6461553Srgrimes else if (bcmp(units, "day", 3) == 0) 6471553Srgrimes *seconds = time * 24 * 60 * 60; 6481553Srgrimes else { 6491553Srgrimes printf("%s: bad units, specify %s\n", units, 6501553Srgrimes "days, hours, minutes, or seconds"); 6511553Srgrimes return (0); 6521553Srgrimes } 6531553Srgrimes return (1); 6541553Srgrimes} 6551553Srgrimes 6561553Srgrimes/* 6571553Srgrimes * Free a list of quotause structures. 6581553Srgrimes */ 6591553Srgrimesfreeprivs(quplist) 6601553Srgrimes struct quotause *quplist; 6611553Srgrimes{ 6621553Srgrimes register struct quotause *qup, *nextqup; 6631553Srgrimes 6641553Srgrimes for (qup = quplist; qup; qup = nextqup) { 6651553Srgrimes nextqup = qup->next; 6661553Srgrimes free(qup); 6671553Srgrimes } 6681553Srgrimes} 6691553Srgrimes 6701553Srgrimes/* 6711553Srgrimes * Check whether a string is completely composed of digits. 6721553Srgrimes */ 6731553Srgrimesalldigits(s) 6741553Srgrimes register char *s; 6751553Srgrimes{ 6761553Srgrimes register c; 6771553Srgrimes 6781553Srgrimes c = *s++; 6791553Srgrimes do { 6801553Srgrimes if (!isdigit(c)) 6811553Srgrimes return (0); 6821553Srgrimes } while (c = *s++); 6831553Srgrimes return (1); 6841553Srgrimes} 6851553Srgrimes 6861553Srgrimes/* 6871553Srgrimes * Check to see if a particular quota is to be enabled. 6881553Srgrimes */ 6891553Srgrimeshasquota(fs, type, qfnamep) 6901553Srgrimes register struct fstab *fs; 6911553Srgrimes int type; 6921553Srgrimes char **qfnamep; 6931553Srgrimes{ 6941553Srgrimes register char *opt; 6951553Srgrimes char *cp, *index(), *strtok(); 6961553Srgrimes static char initname, usrname[100], grpname[100]; 6971553Srgrimes static char buf[BUFSIZ]; 6981553Srgrimes 6991553Srgrimes if (!initname) { 7001553Srgrimes sprintf(usrname, "%s%s", qfextension[USRQUOTA], qfname); 7011553Srgrimes sprintf(grpname, "%s%s", qfextension[GRPQUOTA], qfname); 7021553Srgrimes initname = 1; 7031553Srgrimes } 7041553Srgrimes strcpy(buf, fs->fs_mntops); 7051553Srgrimes for (opt = strtok(buf, ","); opt; opt = strtok(NULL, ",")) { 7061553Srgrimes if (cp = index(opt, '=')) 7071553Srgrimes *cp++ = '\0'; 7081553Srgrimes if (type == USRQUOTA && strcmp(opt, usrname) == 0) 7091553Srgrimes break; 7101553Srgrimes if (type == GRPQUOTA && strcmp(opt, grpname) == 0) 7111553Srgrimes break; 7121553Srgrimes } 7131553Srgrimes if (!opt) 7141553Srgrimes return (0); 7151553Srgrimes if (cp) { 7161553Srgrimes *qfnamep = cp; 7171553Srgrimes return (1); 7181553Srgrimes } 7191553Srgrimes (void) sprintf(buf, "%s/%s.%s", fs->fs_file, qfname, qfextension[type]); 7201553Srgrimes *qfnamep = buf; 7211553Srgrimes return (1); 7221553Srgrimes} 723