edquota.c revision 28431
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; 8814961Smpp register uid_t startuid, enduid; 8914961Smpp char *protoname, *cp, ch; 901553Srgrimes int tflag = 0, pflag = 0; 9114961Smpp char buf[30]; 921553Srgrimes 931553Srgrimes if (argc < 2) 941553Srgrimes usage(); 951553Srgrimes if (getuid()) { 961553Srgrimes fprintf(stderr, "edquota: permission denied\n"); 971553Srgrimes exit(1); 981553Srgrimes } 991553Srgrimes quotatype = USRQUOTA; 10024428Simp while ((ch = getopt(argc, argv, "ugtp:")) != -1) { 1011553Srgrimes switch(ch) { 1021553Srgrimes case 'p': 1031553Srgrimes protoname = optarg; 1041553Srgrimes pflag++; 1051553Srgrimes break; 1061553Srgrimes case 'g': 1071553Srgrimes quotatype = GRPQUOTA; 1081553Srgrimes break; 1091553Srgrimes case 'u': 1101553Srgrimes quotatype = USRQUOTA; 1111553Srgrimes break; 1121553Srgrimes case 't': 1131553Srgrimes tflag++; 1141553Srgrimes break; 1151553Srgrimes default: 1161553Srgrimes usage(); 1171553Srgrimes } 1181553Srgrimes } 1191553Srgrimes argc -= optind; 1201553Srgrimes argv += optind; 1211553Srgrimes if (pflag) { 1221553Srgrimes if ((protoid = getentry(protoname, quotatype)) == -1) 1231553Srgrimes exit(1); 1241553Srgrimes protoprivs = getprivs(protoid, quotatype); 1251553Srgrimes for (qup = protoprivs; qup; qup = qup->next) { 1261553Srgrimes qup->dqblk.dqb_btime = 0; 1271553Srgrimes qup->dqblk.dqb_itime = 0; 1281553Srgrimes } 1291553Srgrimes while (argc-- > 0) { 13014961Smpp if (isdigit(*argv[0]) && 13114961Smpp (cp = strchr(*argv, '-')) != NULL) { 13214961Smpp *cp++ = '\0'; 13314961Smpp startuid = atoi(*argv); 13414961Smpp enduid = atoi(cp); 13514961Smpp if (enduid < startuid) { 13614961Smpp fprintf(stderr, "edquota: ending uid (%d) must be >= starting uid (%d) when using uid ranges\n", 13714961Smpp enduid, startuid); 13814961Smpp exit(1); 13914961Smpp } 14014961Smpp for ( ; startuid <= enduid; startuid++) { 14114961Smpp snprintf(buf, sizeof(buf), "%d", 14214961Smpp startuid); 14314961Smpp if ((id = getentry(buf, quotatype)) < 0) 14414961Smpp continue; 14514961Smpp putprivs(id, quotatype, protoprivs); 14614961Smpp } 14714961Smpp continue; 14814961Smpp } 1491553Srgrimes if ((id = getentry(*argv++, quotatype)) < 0) 1501553Srgrimes continue; 1511553Srgrimes putprivs(id, quotatype, protoprivs); 1521553Srgrimes } 1531553Srgrimes exit(0); 1541553Srgrimes } 1551553Srgrimes tmpfd = mkstemp(tmpfil); 1561553Srgrimes fchown(tmpfd, getuid(), getgid()); 1571553Srgrimes if (tflag) { 1581553Srgrimes protoprivs = getprivs(0, quotatype); 1591553Srgrimes if (writetimes(protoprivs, tmpfd, quotatype) == 0) 1601553Srgrimes exit(1); 1614782Sache if (editit(tmpfil) && readtimes(protoprivs, tmpfil)) 1621553Srgrimes putprivs(0, quotatype, protoprivs); 1631553Srgrimes freeprivs(protoprivs); 16428431Sjlemon close(tmpfd); 16528431Sjlemon unlink(tmpfil); 1661553Srgrimes exit(0); 1671553Srgrimes } 1681553Srgrimes for ( ; argc > 0; argc--, argv++) { 1691553Srgrimes if ((id = getentry(*argv, quotatype)) == -1) 1701553Srgrimes continue; 1711553Srgrimes curprivs = getprivs(id, quotatype); 1721553Srgrimes if (writeprivs(curprivs, tmpfd, *argv, quotatype) == 0) 1731553Srgrimes continue; 1744782Sache if (editit(tmpfil) && readprivs(curprivs, tmpfil)) 1751553Srgrimes putprivs(id, quotatype, curprivs); 1761553Srgrimes freeprivs(curprivs); 1771553Srgrimes } 1781553Srgrimes close(tmpfd); 1791553Srgrimes unlink(tmpfil); 1801553Srgrimes exit(0); 1811553Srgrimes} 1821553Srgrimes 1831553Srgrimesusage() 1841553Srgrimes{ 1851553Srgrimes fprintf(stderr, "%s%s%s%s", 1861553Srgrimes "Usage: edquota [-u] [-p username] username ...\n", 1871553Srgrimes "\tedquota -g [-p groupname] groupname ...\n", 1881553Srgrimes "\tedquota [-u] -t\n", "\tedquota -g -t\n"); 1891553Srgrimes exit(1); 1901553Srgrimes} 1911553Srgrimes 1921553Srgrimes/* 1931553Srgrimes * This routine converts a name for a particular quota type to 1941553Srgrimes * an identifier. This routine must agree with the kernel routine 1951553Srgrimes * getinoquota as to the interpretation of quota types. 1961553Srgrimes */ 1971553Srgrimesgetentry(name, quotatype) 1981553Srgrimes char *name; 1991553Srgrimes int quotatype; 2001553Srgrimes{ 2011553Srgrimes struct passwd *pw; 2021553Srgrimes struct group *gr; 2031553Srgrimes 2041553Srgrimes if (alldigits(name)) 2051553Srgrimes return (atoi(name)); 2061553Srgrimes switch(quotatype) { 2071553Srgrimes case USRQUOTA: 2081553Srgrimes if (pw = getpwnam(name)) 2091553Srgrimes return (pw->pw_uid); 2101553Srgrimes fprintf(stderr, "%s: no such user\n", name); 2111553Srgrimes break; 2121553Srgrimes case GRPQUOTA: 2131553Srgrimes if (gr = getgrnam(name)) 2141553Srgrimes return (gr->gr_gid); 2151553Srgrimes fprintf(stderr, "%s: no such group\n", name); 2161553Srgrimes break; 2171553Srgrimes default: 2181553Srgrimes fprintf(stderr, "%d: unknown quota type\n", quotatype); 2191553Srgrimes break; 2201553Srgrimes } 2211553Srgrimes sleep(1); 2221553Srgrimes return (-1); 2231553Srgrimes} 2241553Srgrimes 2251553Srgrimes/* 2261553Srgrimes * Collect the requested quota information. 2271553Srgrimes */ 2281553Srgrimesstruct quotause * 2291553Srgrimesgetprivs(id, quotatype) 2301553Srgrimes register long id; 2311553Srgrimes int quotatype; 2321553Srgrimes{ 2331553Srgrimes register struct fstab *fs; 2341553Srgrimes register struct quotause *qup, *quptail; 2351553Srgrimes struct quotause *quphead; 2361553Srgrimes int qcmd, qupsize, fd; 2371553Srgrimes char *qfpathname; 2381553Srgrimes static int warned = 0; 2391553Srgrimes extern int errno; 2401553Srgrimes 2411553Srgrimes setfsent(); 2421553Srgrimes quphead = (struct quotause *)0; 2431553Srgrimes qcmd = QCMD(Q_GETQUOTA, quotatype); 2441553Srgrimes while (fs = getfsent()) { 2451553Srgrimes if (strcmp(fs->fs_vfstype, "ufs")) 2461553Srgrimes continue; 2471553Srgrimes if (!hasquota(fs, quotatype, &qfpathname)) 2481553Srgrimes continue; 2491553Srgrimes qupsize = sizeof(*qup) + strlen(qfpathname); 2501553Srgrimes if ((qup = (struct quotause *)malloc(qupsize)) == NULL) { 2511553Srgrimes fprintf(stderr, "edquota: out of memory\n"); 2521553Srgrimes exit(2); 2531553Srgrimes } 2541553Srgrimes if (quotactl(fs->fs_file, qcmd, id, &qup->dqblk) != 0) { 2551553Srgrimes if (errno == EOPNOTSUPP && !warned) { 2561553Srgrimes warned++; 2571553Srgrimes fprintf(stderr, "Warning: %s\n", 2581553Srgrimes "Quotas are not compiled into this kernel"); 2591553Srgrimes sleep(3); 2601553Srgrimes } 2611553Srgrimes if ((fd = open(qfpathname, O_RDONLY)) < 0) { 2621553Srgrimes fd = open(qfpathname, O_RDWR|O_CREAT, 0640); 2631553Srgrimes if (fd < 0 && errno != ENOENT) { 2641553Srgrimes perror(qfpathname); 2651553Srgrimes free(qup); 2661553Srgrimes continue; 2671553Srgrimes } 2681553Srgrimes fprintf(stderr, "Creating quota file %s\n", 2691553Srgrimes qfpathname); 2701553Srgrimes sleep(3); 2711553Srgrimes (void) fchown(fd, getuid(), 2721553Srgrimes getentry(quotagroup, GRPQUOTA)); 2731553Srgrimes (void) fchmod(fd, 0640); 2741553Srgrimes } 2751553Srgrimes lseek(fd, (long)(id * sizeof(struct dqblk)), L_SET); 2761553Srgrimes switch (read(fd, &qup->dqblk, sizeof(struct dqblk))) { 2771553Srgrimes case 0: /* EOF */ 2781553Srgrimes /* 2791553Srgrimes * Convert implicit 0 quota (EOF) 2801553Srgrimes * into an explicit one (zero'ed dqblk) 2811553Srgrimes */ 2821553Srgrimes bzero((caddr_t)&qup->dqblk, 2831553Srgrimes sizeof(struct dqblk)); 2841553Srgrimes break; 2851553Srgrimes 2861553Srgrimes case sizeof(struct dqblk): /* OK */ 2871553Srgrimes break; 2881553Srgrimes 2891553Srgrimes default: /* ERROR */ 2901553Srgrimes fprintf(stderr, "edquota: read error in "); 2911553Srgrimes perror(qfpathname); 2921553Srgrimes close(fd); 2931553Srgrimes free(qup); 2941553Srgrimes continue; 2951553Srgrimes } 2961553Srgrimes close(fd); 2971553Srgrimes } 2981553Srgrimes strcpy(qup->qfname, qfpathname); 2991553Srgrimes strcpy(qup->fsname, fs->fs_file); 3001553Srgrimes if (quphead == NULL) 3011553Srgrimes quphead = qup; 3021553Srgrimes else 3031553Srgrimes quptail->next = qup; 3041553Srgrimes quptail = qup; 3051553Srgrimes qup->next = 0; 3061553Srgrimes } 3071553Srgrimes endfsent(); 3081553Srgrimes return (quphead); 3091553Srgrimes} 3101553Srgrimes 3111553Srgrimes/* 3121553Srgrimes * Store the requested quota information. 3131553Srgrimes */ 3141553Srgrimesputprivs(id, quotatype, quplist) 3151553Srgrimes long id; 3161553Srgrimes int quotatype; 3171553Srgrimes struct quotause *quplist; 3181553Srgrimes{ 3191553Srgrimes register struct quotause *qup; 3201553Srgrimes int qcmd, fd; 3211553Srgrimes 3221553Srgrimes qcmd = QCMD(Q_SETQUOTA, quotatype); 3231553Srgrimes for (qup = quplist; qup; qup = qup->next) { 3241553Srgrimes if (quotactl(qup->fsname, qcmd, id, &qup->dqblk) == 0) 3251553Srgrimes continue; 3261553Srgrimes if ((fd = open(qup->qfname, O_WRONLY)) < 0) { 3271553Srgrimes perror(qup->qfname); 3281553Srgrimes } else { 3291553Srgrimes lseek(fd, (long)id * (long)sizeof (struct dqblk), 0); 3301553Srgrimes if (write(fd, &qup->dqblk, sizeof (struct dqblk)) != 3311553Srgrimes sizeof (struct dqblk)) { 3321553Srgrimes fprintf(stderr, "edquota: "); 3331553Srgrimes perror(qup->qfname); 3341553Srgrimes } 3351553Srgrimes close(fd); 3361553Srgrimes } 3371553Srgrimes } 3381553Srgrimes} 3391553Srgrimes 3401553Srgrimes/* 3411553Srgrimes * Take a list of priviledges and get it edited. 3421553Srgrimes */ 3431553Srgrimeseditit(tmpfile) 3441553Srgrimes char *tmpfile; 3451553Srgrimes{ 3461553Srgrimes long omask; 3471553Srgrimes int pid, stat; 3481553Srgrimes extern char *getenv(); 3491553Srgrimes 3501553Srgrimes omask = sigblock(sigmask(SIGINT)|sigmask(SIGQUIT)|sigmask(SIGHUP)); 3511553Srgrimes top: 3521553Srgrimes if ((pid = fork()) < 0) { 3531553Srgrimes extern errno; 3541553Srgrimes 3551553Srgrimes if (errno == EPROCLIM) { 3561553Srgrimes fprintf(stderr, "You have too many processes\n"); 3571553Srgrimes return(0); 3581553Srgrimes } 3591553Srgrimes if (errno == EAGAIN) { 3601553Srgrimes sleep(1); 3611553Srgrimes goto top; 3621553Srgrimes } 3631553Srgrimes perror("fork"); 3641553Srgrimes return (0); 3651553Srgrimes } 3661553Srgrimes if (pid == 0) { 3671553Srgrimes register char *ed; 3681553Srgrimes 3691553Srgrimes sigsetmask(omask); 3701553Srgrimes setgid(getgid()); 3711553Srgrimes setuid(getuid()); 3721553Srgrimes if ((ed = getenv("EDITOR")) == (char *)0) 3731553Srgrimes ed = _PATH_VI; 3741553Srgrimes execlp(ed, ed, tmpfile, 0); 3751553Srgrimes perror(ed); 3761553Srgrimes exit(1); 3771553Srgrimes } 3781553Srgrimes waitpid(pid, &stat, 0); 3791553Srgrimes sigsetmask(omask); 3801553Srgrimes if (!WIFEXITED(stat) || WEXITSTATUS(stat) != 0) 3811553Srgrimes return (0); 3821553Srgrimes return (1); 3831553Srgrimes} 3841553Srgrimes 3851553Srgrimes/* 3861553Srgrimes * Convert a quotause list to an ASCII file. 3871553Srgrimes */ 3881553Srgrimeswriteprivs(quplist, outfd, name, quotatype) 3891553Srgrimes struct quotause *quplist; 3901553Srgrimes int outfd; 3911553Srgrimes char *name; 3921553Srgrimes int quotatype; 3931553Srgrimes{ 3941553Srgrimes register struct quotause *qup; 3951553Srgrimes FILE *fd; 3961553Srgrimes 3971553Srgrimes ftruncate(outfd, 0); 3981553Srgrimes lseek(outfd, 0, L_SET); 3991553Srgrimes if ((fd = fdopen(dup(outfd), "w")) == NULL) { 4001553Srgrimes fprintf(stderr, "edquota: "); 4011553Srgrimes perror(tmpfil); 4021553Srgrimes exit(1); 4031553Srgrimes } 4041553Srgrimes fprintf(fd, "Quotas for %s %s:\n", qfextension[quotatype], name); 4051553Srgrimes for (qup = quplist; qup; qup = qup->next) { 4068325Sbde fprintf(fd, "%s: %s %lu, limits (soft = %lu, hard = %lu)\n", 4071553Srgrimes qup->fsname, "blocks in use:", 4088325Sbde (unsigned long)(dbtob(qup->dqblk.dqb_curblocks) / 1024), 4098325Sbde (unsigned long)(dbtob(qup->dqblk.dqb_bsoftlimit) / 1024), 4108325Sbde (unsigned long)(dbtob(qup->dqblk.dqb_bhardlimit) / 1024)); 4118325Sbde fprintf(fd, "%s %lu, limits (soft = %lu, hard = %lu)\n", 4121553Srgrimes "\tinodes in use:", qup->dqblk.dqb_curinodes, 4131553Srgrimes qup->dqblk.dqb_isoftlimit, qup->dqblk.dqb_ihardlimit); 4141553Srgrimes } 4151553Srgrimes fclose(fd); 4161553Srgrimes return (1); 4171553Srgrimes} 4181553Srgrimes 4191553Srgrimes/* 4201553Srgrimes * Merge changes to an ASCII file into a quotause list. 4211553Srgrimes */ 4224782Sachereadprivs(quplist, inname) 4231553Srgrimes struct quotause *quplist; 4244782Sache char *inname; 4251553Srgrimes{ 4261553Srgrimes register struct quotause *qup; 4271553Srgrimes FILE *fd; 4281553Srgrimes int cnt; 4291553Srgrimes register char *cp; 4301553Srgrimes struct dqblk dqblk; 4311553Srgrimes char *fsp, line1[BUFSIZ], line2[BUFSIZ]; 4321553Srgrimes 4334782Sache fd = fopen(inname, "r"); 4341553Srgrimes if (fd == NULL) { 4351553Srgrimes fprintf(stderr, "Can't re-read temp file!!\n"); 4361553Srgrimes return (0); 4371553Srgrimes } 4381553Srgrimes /* 4391553Srgrimes * Discard title line, then read pairs of lines to process. 4401553Srgrimes */ 4411553Srgrimes (void) fgets(line1, sizeof (line1), fd); 4421553Srgrimes while (fgets(line1, sizeof (line1), fd) != NULL && 4431553Srgrimes fgets(line2, sizeof (line2), fd) != NULL) { 4441553Srgrimes if ((fsp = strtok(line1, " \t:")) == NULL) { 4451553Srgrimes fprintf(stderr, "%s: bad format\n", line1); 4461553Srgrimes return (0); 4471553Srgrimes } 4481553Srgrimes if ((cp = strtok((char *)0, "\n")) == NULL) { 4491553Srgrimes fprintf(stderr, "%s: %s: bad format\n", fsp, 4501553Srgrimes &fsp[strlen(fsp) + 1]); 4511553Srgrimes return (0); 4521553Srgrimes } 4531553Srgrimes cnt = sscanf(cp, 4548325Sbde " blocks in use: %lu, limits (soft = %lu, hard = %lu)", 4551553Srgrimes &dqblk.dqb_curblocks, &dqblk.dqb_bsoftlimit, 4561553Srgrimes &dqblk.dqb_bhardlimit); 4571553Srgrimes if (cnt != 3) { 4581553Srgrimes fprintf(stderr, "%s:%s: bad format\n", fsp, cp); 4591553Srgrimes return (0); 4601553Srgrimes } 4611553Srgrimes dqblk.dqb_curblocks = btodb(dqblk.dqb_curblocks * 1024); 4621553Srgrimes dqblk.dqb_bsoftlimit = btodb(dqblk.dqb_bsoftlimit * 1024); 4631553Srgrimes dqblk.dqb_bhardlimit = btodb(dqblk.dqb_bhardlimit * 1024); 4641553Srgrimes if ((cp = strtok(line2, "\n")) == NULL) { 4651553Srgrimes fprintf(stderr, "%s: %s: bad format\n", fsp, line2); 4661553Srgrimes return (0); 4671553Srgrimes } 4681553Srgrimes cnt = sscanf(cp, 4698325Sbde "\tinodes in use: %lu, limits (soft = %lu, hard = %lu)", 4701553Srgrimes &dqblk.dqb_curinodes, &dqblk.dqb_isoftlimit, 4711553Srgrimes &dqblk.dqb_ihardlimit); 4721553Srgrimes if (cnt != 3) { 4731553Srgrimes fprintf(stderr, "%s: %s: bad format\n", fsp, line2); 4741553Srgrimes return (0); 4751553Srgrimes } 4761553Srgrimes for (qup = quplist; qup; qup = qup->next) { 4771553Srgrimes if (strcmp(fsp, qup->fsname)) 4781553Srgrimes continue; 4791553Srgrimes /* 4801553Srgrimes * Cause time limit to be reset when the quota 4811553Srgrimes * is next used if previously had no soft limit 4821553Srgrimes * or were under it, but now have a soft limit 4831553Srgrimes * and are over it. 4841553Srgrimes */ 4851553Srgrimes if (dqblk.dqb_bsoftlimit && 4861553Srgrimes qup->dqblk.dqb_curblocks >= dqblk.dqb_bsoftlimit && 4871553Srgrimes (qup->dqblk.dqb_bsoftlimit == 0 || 4881553Srgrimes qup->dqblk.dqb_curblocks < 4891553Srgrimes qup->dqblk.dqb_bsoftlimit)) 4901553Srgrimes qup->dqblk.dqb_btime = 0; 4911553Srgrimes if (dqblk.dqb_isoftlimit && 4921553Srgrimes qup->dqblk.dqb_curinodes >= dqblk.dqb_isoftlimit && 4931553Srgrimes (qup->dqblk.dqb_isoftlimit == 0 || 4941553Srgrimes qup->dqblk.dqb_curinodes < 4951553Srgrimes qup->dqblk.dqb_isoftlimit)) 4961553Srgrimes qup->dqblk.dqb_itime = 0; 4971553Srgrimes qup->dqblk.dqb_bsoftlimit = dqblk.dqb_bsoftlimit; 4981553Srgrimes qup->dqblk.dqb_bhardlimit = dqblk.dqb_bhardlimit; 4991553Srgrimes qup->dqblk.dqb_isoftlimit = dqblk.dqb_isoftlimit; 5001553Srgrimes qup->dqblk.dqb_ihardlimit = dqblk.dqb_ihardlimit; 5011553Srgrimes qup->flags |= FOUND; 5021553Srgrimes if (dqblk.dqb_curblocks == qup->dqblk.dqb_curblocks && 5031553Srgrimes dqblk.dqb_curinodes == qup->dqblk.dqb_curinodes) 5041553Srgrimes break; 5051553Srgrimes fprintf(stderr, 5061553Srgrimes "%s: cannot change current allocation\n", fsp); 5071553Srgrimes break; 5081553Srgrimes } 5091553Srgrimes } 5101553Srgrimes fclose(fd); 5111553Srgrimes /* 5121553Srgrimes * Disable quotas for any filesystems that have not been found. 5131553Srgrimes */ 5141553Srgrimes for (qup = quplist; qup; qup = qup->next) { 5151553Srgrimes if (qup->flags & FOUND) { 5161553Srgrimes qup->flags &= ~FOUND; 5171553Srgrimes continue; 5181553Srgrimes } 5191553Srgrimes qup->dqblk.dqb_bsoftlimit = 0; 5201553Srgrimes qup->dqblk.dqb_bhardlimit = 0; 5211553Srgrimes qup->dqblk.dqb_isoftlimit = 0; 5221553Srgrimes qup->dqblk.dqb_ihardlimit = 0; 5231553Srgrimes } 5241553Srgrimes return (1); 5251553Srgrimes} 5261553Srgrimes 5271553Srgrimes/* 5281553Srgrimes * Convert a quotause list to an ASCII file of grace times. 5291553Srgrimes */ 5301553Srgrimeswritetimes(quplist, outfd, quotatype) 5311553Srgrimes struct quotause *quplist; 5321553Srgrimes int outfd; 5331553Srgrimes int quotatype; 5341553Srgrimes{ 5351553Srgrimes register struct quotause *qup; 5361553Srgrimes char *cvtstoa(); 5371553Srgrimes FILE *fd; 5381553Srgrimes 5391553Srgrimes ftruncate(outfd, 0); 5401553Srgrimes lseek(outfd, 0, L_SET); 5411553Srgrimes if ((fd = fdopen(dup(outfd), "w")) == NULL) { 5421553Srgrimes fprintf(stderr, "edquota: "); 5431553Srgrimes perror(tmpfil); 5441553Srgrimes exit(1); 5451553Srgrimes } 5461553Srgrimes fprintf(fd, "Time units may be: days, hours, minutes, or seconds\n"); 5471553Srgrimes fprintf(fd, "Grace period before enforcing soft limits for %ss:\n", 5481553Srgrimes qfextension[quotatype]); 5491553Srgrimes for (qup = quplist; qup; qup = qup->next) { 5501553Srgrimes fprintf(fd, "%s: block grace period: %s, ", 5511553Srgrimes qup->fsname, cvtstoa(qup->dqblk.dqb_btime)); 5521553Srgrimes fprintf(fd, "file grace period: %s\n", 5531553Srgrimes cvtstoa(qup->dqblk.dqb_itime)); 5541553Srgrimes } 5551553Srgrimes fclose(fd); 5561553Srgrimes return (1); 5571553Srgrimes} 5581553Srgrimes 5591553Srgrimes/* 5601553Srgrimes * Merge changes of grace times in an ASCII file into a quotause list. 5611553Srgrimes */ 5624782Sachereadtimes(quplist, inname) 5631553Srgrimes struct quotause *quplist; 5644782Sache char *inname; 5651553Srgrimes{ 5661553Srgrimes register struct quotause *qup; 5671553Srgrimes FILE *fd; 5681553Srgrimes int cnt; 5691553Srgrimes register char *cp; 5701553Srgrimes time_t itime, btime, iseconds, bseconds; 5711553Srgrimes char *fsp, bunits[10], iunits[10], line1[BUFSIZ]; 5721553Srgrimes 5734782Sache fd = fopen(inname, "r"); 5741553Srgrimes if (fd == NULL) { 5751553Srgrimes fprintf(stderr, "Can't re-read temp file!!\n"); 5761553Srgrimes return (0); 5771553Srgrimes } 5781553Srgrimes /* 5791553Srgrimes * Discard two title lines, then read lines to process. 5801553Srgrimes */ 5811553Srgrimes (void) fgets(line1, sizeof (line1), fd); 5821553Srgrimes (void) fgets(line1, sizeof (line1), fd); 5831553Srgrimes while (fgets(line1, sizeof (line1), fd) != NULL) { 5841553Srgrimes if ((fsp = strtok(line1, " \t:")) == NULL) { 5851553Srgrimes fprintf(stderr, "%s: bad format\n", line1); 5861553Srgrimes return (0); 5871553Srgrimes } 5881553Srgrimes if ((cp = strtok((char *)0, "\n")) == NULL) { 5891553Srgrimes fprintf(stderr, "%s: %s: bad format\n", fsp, 5901553Srgrimes &fsp[strlen(fsp) + 1]); 5911553Srgrimes return (0); 5921553Srgrimes } 5931553Srgrimes cnt = sscanf(cp, 5948325Sbde " block grace period: %ld %s file grace period: %ld %s", 5951553Srgrimes &btime, bunits, &itime, iunits); 5961553Srgrimes if (cnt != 4) { 5971553Srgrimes fprintf(stderr, "%s:%s: bad format\n", fsp, cp); 5981553Srgrimes return (0); 5991553Srgrimes } 6001553Srgrimes if (cvtatos(btime, bunits, &bseconds) == 0) 6011553Srgrimes return (0); 6021553Srgrimes if (cvtatos(itime, iunits, &iseconds) == 0) 6031553Srgrimes return (0); 6041553Srgrimes for (qup = quplist; qup; qup = qup->next) { 6051553Srgrimes if (strcmp(fsp, qup->fsname)) 6061553Srgrimes continue; 6071553Srgrimes qup->dqblk.dqb_btime = bseconds; 6081553Srgrimes qup->dqblk.dqb_itime = iseconds; 6091553Srgrimes qup->flags |= FOUND; 6101553Srgrimes break; 6111553Srgrimes } 6121553Srgrimes } 6131553Srgrimes fclose(fd); 6141553Srgrimes /* 6151553Srgrimes * reset default grace periods for any filesystems 6161553Srgrimes * that have not been found. 6171553Srgrimes */ 6181553Srgrimes for (qup = quplist; qup; qup = qup->next) { 6191553Srgrimes if (qup->flags & FOUND) { 6201553Srgrimes qup->flags &= ~FOUND; 6211553Srgrimes continue; 6221553Srgrimes } 6231553Srgrimes qup->dqblk.dqb_btime = 0; 6241553Srgrimes qup->dqblk.dqb_itime = 0; 6251553Srgrimes } 6261553Srgrimes return (1); 6271553Srgrimes} 6281553Srgrimes 6291553Srgrimes/* 6301553Srgrimes * Convert seconds to ASCII times. 6311553Srgrimes */ 6321553Srgrimeschar * 6331553Srgrimescvtstoa(time) 6341553Srgrimes time_t time; 6351553Srgrimes{ 6361553Srgrimes static char buf[20]; 6371553Srgrimes 6381553Srgrimes if (time % (24 * 60 * 60) == 0) { 6391553Srgrimes time /= 24 * 60 * 60; 6408325Sbde sprintf(buf, "%ld day%s", time, time == 1 ? "" : "s"); 6411553Srgrimes } else if (time % (60 * 60) == 0) { 6421553Srgrimes time /= 60 * 60; 6438325Sbde sprintf(buf, "%ld hour%s", time, time == 1 ? "" : "s"); 6441553Srgrimes } else if (time % 60 == 0) { 6451553Srgrimes time /= 60; 6468325Sbde sprintf(buf, "%ld minute%s", time, time == 1 ? "" : "s"); 6471553Srgrimes } else 6488325Sbde sprintf(buf, "%ld second%s", time, time == 1 ? "" : "s"); 6491553Srgrimes return (buf); 6501553Srgrimes} 6511553Srgrimes 6521553Srgrimes/* 6531553Srgrimes * Convert ASCII input times to seconds. 6541553Srgrimes */ 6551553Srgrimescvtatos(time, units, seconds) 6561553Srgrimes time_t time; 6571553Srgrimes char *units; 6581553Srgrimes time_t *seconds; 6591553Srgrimes{ 6601553Srgrimes 6611553Srgrimes if (bcmp(units, "second", 6) == 0) 6621553Srgrimes *seconds = time; 6631553Srgrimes else if (bcmp(units, "minute", 6) == 0) 6641553Srgrimes *seconds = time * 60; 6651553Srgrimes else if (bcmp(units, "hour", 4) == 0) 6661553Srgrimes *seconds = time * 60 * 60; 6671553Srgrimes else if (bcmp(units, "day", 3) == 0) 6681553Srgrimes *seconds = time * 24 * 60 * 60; 6691553Srgrimes else { 6701553Srgrimes printf("%s: bad units, specify %s\n", units, 6711553Srgrimes "days, hours, minutes, or seconds"); 6721553Srgrimes return (0); 6731553Srgrimes } 6741553Srgrimes return (1); 6751553Srgrimes} 6761553Srgrimes 6771553Srgrimes/* 6781553Srgrimes * Free a list of quotause structures. 6791553Srgrimes */ 6801553Srgrimesfreeprivs(quplist) 6811553Srgrimes struct quotause *quplist; 6821553Srgrimes{ 6831553Srgrimes register struct quotause *qup, *nextqup; 6841553Srgrimes 6851553Srgrimes for (qup = quplist; qup; qup = nextqup) { 6861553Srgrimes nextqup = qup->next; 6871553Srgrimes free(qup); 6881553Srgrimes } 6891553Srgrimes} 6901553Srgrimes 6911553Srgrimes/* 6921553Srgrimes * Check whether a string is completely composed of digits. 6931553Srgrimes */ 6941553Srgrimesalldigits(s) 6951553Srgrimes register char *s; 6961553Srgrimes{ 6971553Srgrimes register c; 6981553Srgrimes 6991553Srgrimes c = *s++; 7001553Srgrimes do { 7011553Srgrimes if (!isdigit(c)) 7021553Srgrimes return (0); 7031553Srgrimes } while (c = *s++); 7041553Srgrimes return (1); 7051553Srgrimes} 7061553Srgrimes 7071553Srgrimes/* 7081553Srgrimes * Check to see if a particular quota is to be enabled. 7091553Srgrimes */ 7101553Srgrimeshasquota(fs, type, qfnamep) 7111553Srgrimes register struct fstab *fs; 7121553Srgrimes int type; 7131553Srgrimes char **qfnamep; 7141553Srgrimes{ 7151553Srgrimes register char *opt; 7161553Srgrimes char *cp, *index(), *strtok(); 7171553Srgrimes static char initname, usrname[100], grpname[100]; 7181553Srgrimes static char buf[BUFSIZ]; 7191553Srgrimes 7201553Srgrimes if (!initname) { 7211553Srgrimes sprintf(usrname, "%s%s", qfextension[USRQUOTA], qfname); 7221553Srgrimes sprintf(grpname, "%s%s", qfextension[GRPQUOTA], qfname); 7231553Srgrimes initname = 1; 7241553Srgrimes } 7251553Srgrimes strcpy(buf, fs->fs_mntops); 7261553Srgrimes for (opt = strtok(buf, ","); opt; opt = strtok(NULL, ",")) { 7271553Srgrimes if (cp = index(opt, '=')) 7281553Srgrimes *cp++ = '\0'; 7291553Srgrimes if (type == USRQUOTA && strcmp(opt, usrname) == 0) 7301553Srgrimes break; 7311553Srgrimes if (type == GRPQUOTA && strcmp(opt, grpname) == 0) 7321553Srgrimes break; 7331553Srgrimes } 7341553Srgrimes if (!opt) 7351553Srgrimes return (0); 7361553Srgrimes if (cp) { 7371553Srgrimes *qfnamep = cp; 7381553Srgrimes return (1); 7391553Srgrimes } 7401553Srgrimes (void) sprintf(buf, "%s/%s.%s", fs->fs_file, qfname, qfextension[type]); 7411553Srgrimes *qfnamep = buf; 7421553Srgrimes return (1); 7431553Srgrimes} 744