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NetBSD/usr.sbin/edquota/edquota.c

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/* $NetBSD: edquota.c,v 1.35 2011/07/10 07:54:49 dholland Exp $ */
/*
* Copyright (c) 1980, 1990, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Robert Elz at The University of Melbourne.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
#ifndef lint
__COPYRIGHT("@(#) Copyright (c) 1980, 1990, 1993\
The Regents of the University of California. All rights reserved.");
#endif /* not lint */
#ifndef lint
#if 0
static char sccsid[] = "from: @(#)edquota.c 8.3 (Berkeley) 4/27/95";
#else
__RCSID("$NetBSD: edquota.c,v 1.35 2011/07/10 07:54:49 dholland Exp $");
#endif
#endif /* not lint */
/*
* Disk quota editor.
*/
#include <sys/param.h>
#include <sys/stat.h>
#include <sys/file.h>
#include <sys/wait.h>
#include <sys/queue.h>
#include <sys/types.h>
#include <sys/statvfs.h>
#include <quota/quotaprop.h>
#include <quota/quota.h>
#include <ufs/ufs/quota1.h>
#include <sys/quota.h>
#include <assert.h>
#include <err.h>
#include <errno.h>
#include <fstab.h>
#include <pwd.h>
#include <grp.h>
#include <ctype.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "printquota.h"
#include "getvfsquota.h"
#include "quotautil.h"
#include "pathnames.h"
static const char *quotagroup = QUOTAGROUP;
static char tmpfil[] = _PATH_TMPFILE;
struct quotause {
struct quotause *next;
long flags;
struct ufs_quota_entry qe[QUOTA_NLIMITS];
char fsname[MAXPATHLEN + 1];
char *qfname;
};
#define FOUND 0x01
#define QUOTA2 0x02
#define DEFAULT 0x04
#define MAX_TMPSTR (100+MAXPATHLEN)
static void usage(void) __dead;
static struct quotause * getprivs(long, int, const char *, int);
static struct quotause * getprivs2(long, int, const char *, int);
static struct quotause * getprivs1(long, int, const char *);
static void putprivs(uint32_t, int, struct quotause *);
static void putprivs2(uint32_t, int, struct quotause *);
static void putprivs1(uint32_t, int, struct quotause *);
static int editit(const char *);
static int writeprivs(struct quotause *, int, const char *, int);
static int readprivs(struct quotause *, int);
static void freeprivs(struct quotause *);
static void clearpriv(int, char **, const char *, int);
static int Hflag = 0;
static int Dflag = 0;
static int dflag = 0;
/* more compact form of constants */
#define QL_BLK QUOTA_LIMIT_BLOCK
#define QL_FL QUOTA_LIMIT_FILE
////////////////////////////////////////////////////////////
// support code
/*
* This routine converts a name for a particular quota class to
* an identifier. This routine must agree with the kernel routine
* getinoquota as to the interpretation of quota classes.
*/
static int
getidbyname(const char *name, int quotaclass)
{
struct passwd *pw;
struct group *gr;
if (alldigits(name))
return atoi(name);
switch(quotaclass) {
case QUOTA_CLASS_USER:
if ((pw = getpwnam(name)) != NULL)
return pw->pw_uid;
warnx("%s: no such user", name);
break;
case QUOTA_CLASS_GROUP:
if ((gr = getgrnam(name)) != NULL)
return gr->gr_gid;
warnx("%s: no such group", name);
break;
default:
warnx("%d: unknown quota type", quotaclass);
break;
}
sleep(1);
return -1;
}
////////////////////////////////////////////////////////////
// quotause operations
/*
* Free a quotause structure.
*/
static void
quotause_destroy(struct quotause *qup)
{
free(qup->qfname);
free(qup);
}
/*
* Free a list of quotause structures.
*/
static void
freeprivs(struct quotause *quplist)
{
struct quotause *qup, *nextqup;
for (qup = quplist; qup; qup = nextqup) {
nextqup = qup->next;
quotause_destroy(qup);
}
}
////////////////////////////////////////////////////////////
// ffs quota v1
static void
putprivs1(uint32_t id, int quotaclass, struct quotause *qup)
{
struct dqblk dqblk;
int fd;
ufsqe2dqblk(qup->qe, &dqblk);
assert((qup->flags & DEFAULT) == 0);
if ((fd = open(qup->qfname, O_WRONLY)) < 0) {
warnx("open `%s'", qup->qfname);
} else {
(void)lseek(fd,
(off_t)(id * (long)sizeof (struct dqblk)),
SEEK_SET);
if (write(fd, &dqblk, sizeof (struct dqblk)) !=
sizeof (struct dqblk))
warnx("writing `%s'", qup->qfname);
close(fd);
}
}
static struct quotause *
getprivs1(long id, int quotaclass, const char *filesys)
{
struct fstab *fs;
char qfpathname[MAXPATHLEN];
struct quotause *qup;
struct dqblk dqblk;
int fd;
setfsent();
while ((fs = getfsent()) != NULL) {
if (strcmp(fs->fs_vfstype, "ffs"))
continue;
if (strcmp(fs->fs_spec, filesys) == 0 ||
strcmp(fs->fs_file, filesys) == 0)
break;
}
if (fs == NULL)
return NULL;
if (!hasquota(qfpathname, sizeof(qfpathname), fs,
ufsclass2qtype(quotaclass)))
return NULL;
if ((qup = malloc(sizeof(*qup))) == NULL)
err(1, "out of memory");
strcpy(qup->fsname, fs->fs_file);
if ((fd = open(qfpathname, O_RDONLY)) < 0) {
fd = open(qfpathname, O_RDWR|O_CREAT, 0640);
if (fd < 0 && errno != ENOENT) {
warnx("open `%s'", qfpathname);
quotause_destroy(qup);
return NULL;
}
warnx("Creating quota file %s", qfpathname);
sleep(3);
(void)fchown(fd, getuid(),
getidbyname(quotagroup, QUOTA_CLASS_GROUP));
(void)fchmod(fd, 0640);
}
(void)lseek(fd, (off_t)(id * sizeof(struct dqblk)),
SEEK_SET);
switch (read(fd, &dqblk, sizeof(struct dqblk))) {
case 0: /* EOF */
/*
* Convert implicit 0 quota (EOF)
* into an explicit one (zero'ed dqblk)
*/
memset(&dqblk, 0, sizeof(struct dqblk));
break;
case sizeof(struct dqblk): /* OK */
break;
default: /* ERROR */
warn("read error in `%s'", qfpathname);
close(fd);
quotause_destroy(qup);
return NULL;
}
close(fd);
qup->qfname = qfpathname;
endfsent();
dqblk2ufsqe(&dqblk, qup->qe);
return qup;
}
////////////////////////////////////////////////////////////
// ffs quota v2
static struct quotause *
getprivs2(long id, int quotaclass, const char *filesys, int defaultq)
{
struct quotause *qup;
int8_t version;
if ((qup = malloc(sizeof(*qup))) == NULL)
err(1, "out of memory");
memset(qup, 0, sizeof(*qup));
strcpy(qup->fsname, filesys);
if (defaultq)
qup->flags |= DEFAULT;
if (!getvfsquota(filesys, qup->qe, &version,
id, quotaclass, defaultq, Dflag)) {
/* no entry, get default entry */
if (!getvfsquota(filesys, qup->qe, &version,
id, quotaclass, 1, Dflag)) {
free(qup);
return NULL;
}
}
if (version == 2)
qup->flags |= QUOTA2;
return qup;
}
static void
putprivs2(uint32_t id, int quotaclass, struct quotause *qup)
{
prop_dictionary_t dict, data, cmd;
prop_array_t cmds, datas;
struct plistref pref;
int8_t error8;
uint64_t *valuesp[QUOTA_NLIMITS];
valuesp[QL_BLK] =
&qup->qe[QL_BLK].ufsqe_hardlimit;
valuesp[QL_FL] =
&qup->qe[QL_FL].ufsqe_hardlimit;
data = quota64toprop(id, (qup->flags & DEFAULT) ? 1 : 0,
valuesp, ufs_quota_entry_names, UFS_QUOTA_NENTRIES,
ufs_quota_limit_names, QUOTA_NLIMITS);
if (data == NULL)
err(1, "quota64toprop(id)");
dict = quota_prop_create();
cmds = prop_array_create();
datas = prop_array_create();
if (dict == NULL || cmds == NULL || datas == NULL) {
errx(1, "can't allocate proplist");
}
if (!prop_array_add_and_rel(datas, data))
err(1, "prop_array_add(data)");
if (!quota_prop_add_command(cmds, "set",
ufs_quota_class_names[quotaclass], datas))
err(1, "prop_add_command");
if (!prop_dictionary_set(dict, "commands", cmds))
err(1, "prop_dictionary_set(command)");
if (Dflag)
printf("message to kernel:\n%s\n",
prop_dictionary_externalize(dict));
if (!prop_dictionary_send_syscall(dict, &pref))
err(1, "prop_dictionary_send_syscall");
prop_object_release(dict);
if (quotactl(qup->fsname, &pref) != 0)
err(1, "quotactl");
if ((errno = prop_dictionary_recv_syscall(&pref, &dict)) != 0) {
err(1, "prop_dictionary_recv_syscall");
}
if (Dflag)
printf("reply from kernel:\n%s\n",
prop_dictionary_externalize(dict));
if ((errno = quota_get_cmds(dict, &cmds)) != 0) {
err(1, "quota_get_cmds");
}
/* only one command, no need to iter */
cmd = prop_array_get(cmds, 0);
if (cmd == NULL)
err(1, "prop_array_get(cmd)");
if (!prop_dictionary_get_int8(cmd, "return", &error8))
err(1, "prop_get(return)");
if (error8) {
errno = error8;
if (qup->flags & DEFAULT)
warn("set default %s quota",
ufs_quota_class_names[quotaclass]);
else
warn("set %s quota for %u",
ufs_quota_class_names[quotaclass], id);
}
prop_object_release(dict);
}
////////////////////////////////////////////////////////////
// quota format switch
/*
* Collect the requested quota information.
*/
static struct quotause *
getprivs(long id, int quotaclass, const char *filesys, int defaultq)
{
struct statvfs *fst;
int nfst, i;
struct quotause *qup, *quptail = NULL;
struct quotause *quphead = NULL;
nfst = getmntinfo(&fst, MNT_WAIT);
if (nfst == 0)
errx(1, "no filesystems mounted!");
for (i = 0; i < nfst; i++) {
if ((fst[i].f_flag & ST_QUOTA) == 0)
continue;
if (filesys && strcmp(fst[i].f_mntonname, filesys) != 0 &&
strcmp(fst[i].f_mntfromname, filesys) != 0)
continue;
qup = getprivs2(id, quotaclass, fst[i].f_mntonname, defaultq);
if (qup == NULL)
return NULL;
if (quphead == NULL)
quphead = qup;
else
quptail->next = qup;
quptail = qup;
qup->next = 0;
}
if (filesys && quphead == NULL) {
if (defaultq)
errx(1, "no default quota for version 1");
/* if we get there, filesys is not mounted. try the old way */
qup = getprivs1(id, quotaclass, filesys);
if (qup == NULL)
return NULL;
if (quphead == NULL)
quphead = qup;
else
quptail->next = qup;
quptail = qup;
qup->next = 0;
}
return quphead;
}
/*
* Store the requested quota information.
*/
void
putprivs(uint32_t id, int quotaclass, struct quotause *quplist)
{
struct quotause *qup;
for (qup = quplist; qup; qup = qup->next) {
if (qup->qfname == NULL)
putprivs2(id, quotaclass, qup);
else
putprivs1(id, quotaclass, qup);
}
}
static void
clearpriv(int argc, char **argv, const char *filesys, int quotaclass)
{
prop_array_t cmds, datas;
prop_dictionary_t protodict, dict, data, cmd;
struct plistref pref;
bool ret;
struct statvfs *fst;
int nfst, i;
int8_t error8;
int id;
/* build a generic command */
protodict = quota_prop_create();
cmds = prop_array_create();
datas = prop_array_create();
if (protodict == NULL || cmds == NULL || datas == NULL) {
errx(1, "can't allocate proplist");
}
for ( ; argc > 0; argc--, argv++) {
if ((id = getidbyname(*argv, quotaclass)) == -1)
continue;
data = prop_dictionary_create();
if (data == NULL)
errx(1, "can't allocate proplist");
ret = prop_dictionary_set_uint32(data, "id", id);
if (!ret)
err(1, "prop_dictionary_set(id)");
if (!prop_array_add_and_rel(datas, data))
err(1, "prop_array_add(data)");
}
if (!quota_prop_add_command(cmds, "clear",
ufs_quota_class_names[quotaclass], datas))
err(1, "prop_add_command");
if (!prop_dictionary_set(protodict, "commands", cmds))
err(1, "prop_dictionary_set(command)");
/* now loop over quota-enabled filesystems */
nfst = getmntinfo(&fst, MNT_WAIT);
if (nfst == 0)
errx(1, "no filesystems mounted!");
for (i = 0; i < nfst; i++) {
if ((fst[i].f_flag & ST_QUOTA) == 0)
continue;
if (filesys && strcmp(fst[i].f_mntonname, filesys) != 0 &&
strcmp(fst[i].f_mntfromname, filesys) != 0)
continue;
if (Dflag) {
fprintf(stderr, "message to kernel for %s:\n%s\n",
fst[i].f_mntonname,
prop_dictionary_externalize(protodict));
}
if (!prop_dictionary_send_syscall(protodict, &pref))
err(1, "prop_dictionary_send_syscall");
if (quotactl(fst[i].f_mntonname, &pref) != 0)
err(1, "quotactl");
if ((errno = prop_dictionary_recv_syscall(&pref, &dict)) != 0) {
err(1, "prop_dictionary_recv_syscall");
}
if (Dflag) {
fprintf(stderr, "reply from kernel for %s:\n%s\n",
fst[i].f_mntonname,
prop_dictionary_externalize(dict));
}
if ((errno = quota_get_cmds(dict, &cmds)) != 0) {
err(1, "quota_get_cmds");
}
/* only one command, no need to iter */
cmd = prop_array_get(cmds, 0);
if (cmd == NULL)
err(1, "prop_array_get(cmd)");
if (!prop_dictionary_get_int8(cmd, "return", &error8))
err(1, "prop_get(return)");
if (error8) {
errno = error8;
warn("clear %s quota entries on %s",
ufs_quota_class_names[quotaclass],
fst[i].f_mntonname);
}
prop_object_release(dict);
}
prop_object_release(protodict);
}
////////////////////////////////////////////////////////////
// editor
/*
* Take a list of privileges and get it edited.
*/
static int
editit(const char *ltmpfile)
{
pid_t pid;
int lst;
char p[MAX_TMPSTR];
const char *ed;
sigset_t s, os;
sigemptyset(&s);
sigaddset(&s, SIGINT);
sigaddset(&s, SIGQUIT);
sigaddset(&s, SIGHUP);
if (sigprocmask(SIG_BLOCK, &s, &os) == -1)
err(1, "sigprocmask");
top:
switch ((pid = fork())) {
case -1:
if (errno == EPROCLIM) {
warnx("You have too many processes");
return 0;
}
if (errno == EAGAIN) {
sleep(1);
goto top;
}
warn("fork");
return 0;
case 0:
if (sigprocmask(SIG_SETMASK, &os, NULL) == -1)
err(1, "sigprocmask");
setgid(getgid());
setuid(getuid());
if ((ed = getenv("EDITOR")) == (char *)0)
ed = _PATH_VI;
if (strlen(ed) + strlen(ltmpfile) + 2 >= MAX_TMPSTR) {
errx(1, "%s", "editor or filename too long");
}
snprintf(p, sizeof(p), "%s %s", ed, ltmpfile);
execlp(_PATH_BSHELL, _PATH_BSHELL, "-c", p, NULL);
err(1, "%s", ed);
default:
if (waitpid(pid, &lst, 0) == -1)
err(1, "waitpid");
if (sigprocmask(SIG_SETMASK, &os, NULL) == -1)
err(1, "sigprocmask");
if (!WIFEXITED(lst) || WEXITSTATUS(lst) != 0)
return 0;
return 1;
}
}
/*
* Convert a quotause list to an ASCII file.
*/
static int
writeprivs(struct quotause *quplist, int outfd, const char *name,
int quotaclass)
{
struct quotause *qup;
FILE *fd;
char b0[32], b1[32], b2[32], b3[32];
(void)ftruncate(outfd, 0);
(void)lseek(outfd, (off_t)0, SEEK_SET);
if ((fd = fdopen(dup(outfd), "w")) == NULL)
errx(1, "fdopen `%s'", tmpfil);
if (dflag) {
fprintf(fd, "Default %s quotas:\n",
ufs_quota_class_names[quotaclass]);
} else {
fprintf(fd, "Quotas for %s %s:\n",
ufs_quota_class_names[quotaclass], name);
}
for (qup = quplist; qup; qup = qup->next) {
struct ufs_quota_entry *q = qup->qe;
fprintf(fd, "%s (version %d):\n",
qup->fsname, (qup->flags & QUOTA2) ? 2 : 1);
if ((qup->flags & DEFAULT) == 0 || (qup->flags & QUOTA2) != 0) {
fprintf(fd, "\tblocks in use: %s, "
"limits (soft = %s, hard = %s",
intprt(b1, 21, q[QL_BLK].ufsqe_cur,
HN_NOSPACE | HN_B, Hflag),
intprt(b2, 21, q[QL_BLK].ufsqe_softlimit,
HN_NOSPACE | HN_B, Hflag),
intprt(b3, 21, q[QL_BLK].ufsqe_hardlimit,
HN_NOSPACE | HN_B, Hflag));
if (qup->flags & QUOTA2)
fprintf(fd, ", ");
} else
fprintf(fd, "\tblocks: (");
if (qup->flags & (QUOTA2|DEFAULT)) {
fprintf(fd, "grace = %s",
timepprt(b0, 21, q[QL_BLK].ufsqe_grace, Hflag));
}
fprintf(fd, ")\n");
if ((qup->flags & DEFAULT) == 0 || (qup->flags & QUOTA2) != 0) {
fprintf(fd, "\tinodes in use: %s, "
"limits (soft = %s, hard = %s",
intprt(b1, 21, q[QL_FL].ufsqe_cur,
HN_NOSPACE, Hflag),
intprt(b2, 21, q[QL_FL].ufsqe_softlimit,
HN_NOSPACE, Hflag),
intprt(b3, 21, q[QL_FL].ufsqe_hardlimit,
HN_NOSPACE, Hflag));
if (qup->flags & QUOTA2)
fprintf(fd, ", ");
} else
fprintf(fd, "\tinodes: (");
if (qup->flags & (QUOTA2|DEFAULT)) {
fprintf(fd, "grace = %s",
timepprt(b0, 21, q[QL_FL].ufsqe_grace, Hflag));
}
fprintf(fd, ")\n");
}
fclose(fd);
return 1;
}
/*
* Merge changes to an ASCII file into a quotause list.
*/
static int
readprivs(struct quotause *quplist, int infd)
{
struct quotause *qup;
FILE *fd;
int cnt;
char fsp[BUFSIZ];
static char line0[BUFSIZ], line1[BUFSIZ], line2[BUFSIZ];
static char scurb[BUFSIZ], scuri[BUFSIZ], ssoft[BUFSIZ], shard[BUFSIZ];
static char stime[BUFSIZ];
uint64_t softb, hardb, softi, hardi;
time_t graceb = -1, gracei = -1;
int version;
(void)lseek(infd, (off_t)0, SEEK_SET);
fd = fdopen(dup(infd), "r");
if (fd == NULL) {
warn("Can't re-read temp file");
return 0;
}
/*
* Discard title line, then read pairs of lines to process.
*/
(void) fgets(line1, sizeof (line1), fd);
while (fgets(line0, sizeof (line0), fd) != NULL &&
fgets(line1, sizeof (line2), fd) != NULL &&
fgets(line2, sizeof (line2), fd) != NULL) {
if (sscanf(line0, "%s (version %d):\n", fsp, &version) != 2) {
warnx("%s: bad format", line0);
goto out;
}
#define last_char(str) ((str)[strlen(str) - 1])
if (last_char(line1) != '\n') {
warnx("%s:%s: bad format", fsp, line1);
goto out;
}
last_char(line1) = '\0';
if (last_char(line2) != '\n') {
warnx("%s:%s: bad format", fsp, line2);
goto out;
}
last_char(line2) = '\0';
if (dflag && version == 1) {
if (sscanf(line1,
"\tblocks: (grace = %s\n", stime) != 1) {
warnx("%s:%s: bad format", fsp, line1);
goto out;
}
if (last_char(stime) != ')') {
warnx("%s:%s: bad format", fsp, line1);
goto out;
}
last_char(stime) = '\0';
if (timeprd(stime, &graceb) != 0) {
warnx("%s:%s: bad number", fsp, stime);
goto out;
}
if (sscanf(line2,
"\tinodes: (grace = %s\n", stime) != 1) {
warnx("%s:%s: bad format", fsp, line2);
goto out;
}
if (last_char(stime) != ')') {
warnx("%s:%s: bad format", fsp, line2);
goto out;
}
last_char(stime) = '\0';
if (timeprd(stime, &gracei) != 0) {
warnx("%s:%s: bad number", fsp, stime);
goto out;
}
} else {
cnt = sscanf(line1,
"\tblocks in use: %s limits (soft = %s hard = %s "
"grace = %s", scurb, ssoft, shard, stime);
if (cnt == 3) {
if (version != 1 ||
last_char(scurb) != ',' ||
last_char(ssoft) != ',' ||
last_char(shard) != ')') {
warnx("%s:%s: bad format %d",
fsp, line1, cnt);
goto out;
}
stime[0] = '\0';
} else if (cnt == 4) {
if (version < 2 ||
last_char(scurb) != ',' ||
last_char(ssoft) != ',' ||
last_char(shard) != ',' ||
last_char(stime) != ')') {
warnx("%s:%s: bad format %d",
fsp, line1, cnt);
goto out;
}
} else {
warnx("%s: %s: bad format cnt %d", fsp, line1,
cnt);
goto out;
}
/* drop last char which is ',' or ')' */
last_char(scurb) = '\0';
last_char(ssoft) = '\0';
last_char(shard) = '\0';
last_char(stime) = '\0';
if (intrd(ssoft, &softb, HN_B) != 0) {
warnx("%s:%s: bad number", fsp, ssoft);
goto out;
}
if (intrd(shard, &hardb, HN_B) != 0) {
warnx("%s:%s: bad number", fsp, shard);
goto out;
}
if (cnt == 4) {
if (timeprd(stime, &graceb) != 0) {
warnx("%s:%s: bad number", fsp, stime);
goto out;
}
}
cnt = sscanf(line2,
"\tinodes in use: %s limits (soft = %s hard = %s "
"grace = %s", scuri, ssoft, shard, stime);
if (cnt == 3) {
if (version != 1 ||
last_char(scuri) != ',' ||
last_char(ssoft) != ',' ||
last_char(shard) != ')') {
warnx("%s:%s: bad format %d",
fsp, line2, cnt);
goto out;
}
stime[0] = '\0';
} else if (cnt == 4) {
if (version < 2 ||
last_char(scuri) != ',' ||
last_char(ssoft) != ',' ||
last_char(shard) != ',' ||
last_char(stime) != ')') {
warnx("%s:%s: bad format %d",
fsp, line2, cnt);
goto out;
}
} else {
warnx("%s: %s: bad format", fsp, line2);
goto out;
}
/* drop last char which is ',' or ')' */
last_char(scuri) = '\0';
last_char(ssoft) = '\0';
last_char(shard) = '\0';
last_char(stime) = '\0';
if (intrd(ssoft, &softi, 0) != 0) {
warnx("%s:%s: bad number", fsp, ssoft);
goto out;
}
if (intrd(shard, &hardi, 0) != 0) {
warnx("%s:%s: bad number", fsp, shard);
goto out;
}
if (cnt == 4) {
if (timeprd(stime, &gracei) != 0) {
warnx("%s:%s: bad number", fsp, stime);
goto out;
}
}
}
for (qup = quplist; qup; qup = qup->next) {
struct ufs_quota_entry *q = qup->qe;
char b1[32], b2[32];
if (strcmp(fsp, qup->fsname))
continue;
if (version == 1 && dflag) {
q[QL_BLK].ufsqe_grace = graceb;
q[QL_FL].ufsqe_grace = gracei;
qup->flags |= FOUND;
continue;
}
if (strcmp(intprt(b1, 21, q[QL_BLK].ufsqe_cur,
HN_NOSPACE | HN_B, Hflag),
scurb) != 0 ||
strcmp(intprt(b2, 21, q[QL_FL].ufsqe_cur,
HN_NOSPACE, Hflag),
scuri) != 0) {
warnx("%s: cannot change current allocation",
fsp);
break;
}
/*
* Cause time limit to be reset when the quota
* is next used if previously had no soft limit
* or were under it, but now have a soft limit
* and are over it.
*/
if (q[QL_BLK].ufsqe_cur &&
q[QL_BLK].ufsqe_cur >= softb &&
(q[QL_BLK].ufsqe_softlimit == 0 ||
q[QL_BLK].ufsqe_cur < q[QL_BLK].ufsqe_softlimit))
q[QL_BLK].ufsqe_time = 0;
if (q[QL_FL].ufsqe_cur &&
q[QL_FL].ufsqe_cur >= softi &&
(q[QL_FL].ufsqe_softlimit == 0 ||
q[QL_FL].ufsqe_cur < q[QL_FL].ufsqe_softlimit))
q[QL_FL].ufsqe_time = 0;
q[QL_BLK].ufsqe_softlimit = softb;
q[QL_BLK].ufsqe_hardlimit = hardb;
if (version == 2)
q[QL_BLK].ufsqe_grace = graceb;
q[QL_FL].ufsqe_softlimit = softi;
q[QL_FL].ufsqe_hardlimit = hardi;
if (version == 2)
q[QL_FL].ufsqe_grace = gracei;
qup->flags |= FOUND;
}
}
out:
fclose(fd);
/*
* Disable quotas for any filesystems that have not been found.
*/
for (qup = quplist; qup; qup = qup->next) {
struct ufs_quota_entry *q = qup->qe;
if (qup->flags & FOUND) {
qup->flags &= ~FOUND;
continue;
}
q[QL_BLK].ufsqe_softlimit = UQUAD_MAX;
q[QL_BLK].ufsqe_hardlimit = UQUAD_MAX;
q[QL_BLK].ufsqe_grace = 0;
q[QL_FL].ufsqe_softlimit = UQUAD_MAX;
q[QL_FL].ufsqe_hardlimit = UQUAD_MAX;
q[QL_FL].ufsqe_grace = 0;
}
return 1;
}
////////////////////////////////////////////////////////////
// main
static void
usage(void)
{
const char *p = getprogname();
fprintf(stderr,
"Usage: %s [-D] [-H] [-u] [-p <username>] [-f <filesystem>] "
"-d | <username> ...\n"
"\t%s [-D] [-H] -g [-p <groupname>] [-f <filesystem>] "
"-d | <groupname> ...\n"
"\t%s [-D] [-u] [-f <filesystem>] [-s b#/i#] [-h b#/i#] [-t t#/t#] "
"-d | <username> ...\n"
"\t%s [-D] -g [-f <filesystem>] [-s b#/i#] [-h b#/i#] [-t t#/t#] "
"-d | <groupname> ...\n"
"\t%s [-D] [-H] [-u] -c [-f <filesystem>] username ...\n"
"\t%s [-D] [-H] -g -c [-f <filesystem>] groupname ...\n",
p, p, p, p, p, p);
exit(1);
}
int
main(int argc, char *argv[])
{
struct quotause *qup, *protoprivs, *curprivs;
long id, protoid;
int quotaclass, tmpfd;
char *protoname;
char *soft = NULL, *hard = NULL, *grace = NULL;
char *fs = NULL;
int ch;
int pflag = 0;
int cflag = 0;
if (argc < 2)
usage();
if (getuid())
errx(1, "permission denied");
protoname = NULL;
quotaclass = QUOTA_CLASS_USER;
while ((ch = getopt(argc, argv, "DHcdugp:s:h:t:f:")) != -1) {
switch(ch) {
case 'D':
Dflag++;
break;
case 'H':
Hflag++;
break;
case 'c':
cflag++;
break;
case 'd':
dflag++;
break;
case 'p':
protoname = optarg;
pflag++;
break;
case 'g':
quotaclass = QUOTA_CLASS_GROUP;
break;
case 'u':
quotaclass = QUOTA_CLASS_USER;
break;
case 's':
soft = optarg;
break;
case 'h':
hard = optarg;
break;
case 't':
grace = optarg;
break;
case 'f':
fs = optarg;
break;
default:
usage();
}
}
argc -= optind;
argv += optind;
if (pflag) {
if (soft || hard || grace || dflag || cflag)
usage();
if ((protoid = getidbyname(protoname, quotaclass)) == -1)
return 1;
protoprivs = getprivs(protoid, quotaclass, fs, 0);
for (qup = protoprivs; qup; qup = qup->next) {
qup->qe[QL_BLK].ufsqe_time = 0;
qup->qe[QL_FL].ufsqe_time = 0;
}
while (argc-- > 0) {
if ((id = getidbyname(*argv++, quotaclass)) < 0)
continue;
putprivs(id, quotaclass, protoprivs);
}
return 0;
}
if (soft || hard || grace) {
struct quotause *lqup;
u_int64_t softb, hardb, softi, hardi;
time_t graceb, gracei;
char *str;
if (cflag)
usage();
if (soft) {
str = strsep(&soft, "/");
if (str[0] == '\0' || soft == NULL || soft[0] == '\0')
usage();
if (intrd(str, &softb, HN_B) != 0)
errx(1, "%s: bad number", str);
if (intrd(soft, &softi, 0) != 0)
errx(1, "%s: bad number", soft);
}
if (hard) {
str = strsep(&hard, "/");
if (str[0] == '\0' || hard == NULL || hard[0] == '\0')
usage();
if (intrd(str, &hardb, HN_B) != 0)
errx(1, "%s: bad number", str);
if (intrd(hard, &hardi, 0) != 0)
errx(1, "%s: bad number", hard);
}
if (grace) {
str = strsep(&grace, "/");
if (str[0] == '\0' || grace == NULL || grace[0] == '\0')
usage();
if (timeprd(str, &graceb) != 0)
errx(1, "%s: bad number", str);
if (timeprd(grace, &gracei) != 0)
errx(1, "%s: bad number", grace);
}
if (dflag) {
curprivs = getprivs(0, quotaclass, fs, 1);
for (lqup = curprivs; lqup; lqup = lqup->next) {
struct ufs_quota_entry *q = lqup->qe;
if (soft) {
q[QL_BLK].ufsqe_softlimit = softb;
q[QL_FL].ufsqe_softlimit = softi;
}
if (hard) {
q[QL_BLK].ufsqe_hardlimit = hardb;
q[QL_FL].ufsqe_hardlimit = hardi;
}
if (grace) {
q[QL_BLK].ufsqe_grace = graceb;
q[QL_FL].ufsqe_grace = gracei;
}
}
putprivs(0, quotaclass, curprivs);
freeprivs(curprivs);
return 0;
}
for ( ; argc > 0; argc--, argv++) {
if ((id = getidbyname(*argv, quotaclass)) == -1)
continue;
curprivs = getprivs(id, quotaclass, fs, 0);
for (lqup = curprivs; lqup; lqup = lqup->next) {
struct ufs_quota_entry *q = lqup->qe;
if (soft) {
if (softb &&
q[QL_BLK].ufsqe_cur >= softb &&
(q[QL_BLK].ufsqe_softlimit == 0 ||
q[QL_BLK].ufsqe_cur <
q[QL_BLK].ufsqe_softlimit))
q[QL_BLK].ufsqe_time = 0;
if (softi &&
q[QL_FL].ufsqe_cur >= softb &&
(q[QL_FL].ufsqe_softlimit == 0 ||
q[QL_FL].ufsqe_cur <
q[QL_FL].ufsqe_softlimit))
q[QL_FL].ufsqe_time = 0;
q[QL_BLK].ufsqe_softlimit = softb;
q[QL_FL].ufsqe_softlimit = softi;
}
if (hard) {
q[QL_BLK].ufsqe_hardlimit = hardb;
q[QL_FL].ufsqe_hardlimit = hardi;
}
if (grace) {
q[QL_BLK].ufsqe_grace = graceb;
q[QL_FL].ufsqe_grace = gracei;
}
}
putprivs(id, quotaclass, curprivs);
freeprivs(curprivs);
}
return 0;
}
if (cflag) {
if (dflag)
usage();
clearpriv(argc, argv, fs, quotaclass);
return 0;
}
tmpfd = mkstemp(tmpfil);
fchown(tmpfd, getuid(), getgid());
if (dflag) {
curprivs = getprivs(0, quotaclass, fs, 1);
if (writeprivs(curprivs, tmpfd, NULL, quotaclass) &&
editit(tmpfil) && readprivs(curprivs, tmpfd))
putprivs(0, quotaclass, curprivs);
freeprivs(curprivs);
}
for ( ; argc > 0; argc--, argv++) {
if ((id = getidbyname(*argv, quotaclass)) == -1)
continue;
curprivs = getprivs(id, quotaclass, fs, 0);
if (writeprivs(curprivs, tmpfd, *argv, quotaclass) == 0)
continue;
if (editit(tmpfil) && readprivs(curprivs, tmpfd))
putprivs(id, quotaclass, curprivs);
freeprivs(curprivs);
}
close(tmpfd);
unlink(tmpfil);
return 0;
}
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