summaryrefslogtreecommitdiffstats
path: root/usr.sbin/edquota/edquota.c
diff options
context:
space:
mode:
Diffstat (limited to 'usr.sbin/edquota/edquota.c')
-rw-r--r--usr.sbin/edquota/edquota.c959
1 files changed, 959 insertions, 0 deletions
diff --git a/usr.sbin/edquota/edquota.c b/usr.sbin/edquota/edquota.c
new file mode 100644
index 0000000..a92a3c8
--- /dev/null
+++ b/usr.sbin/edquota/edquota.c
@@ -0,0 +1,959 @@
+/*
+ * 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.
+ * 4. 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.
+ */
+
+#if 0
+#ifndef lint
+static const char copyright[] =
+"@(#) Copyright (c) 1980, 1990, 1993\n\
+ The Regents of the University of California. All rights reserved.\n";
+#endif /* not lint */
+
+#ifndef lint
+static char sccsid[] = "@(#)edquota.c 8.1 (Berkeley) 6/6/93";
+#endif /* not lint */
+#endif
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+/*
+ * Disk quota editor.
+ */
+
+#include <sys/file.h>
+#include <sys/mount.h>
+#include <sys/wait.h>
+#include <ufs/ufs/quota.h>
+
+#include <ctype.h>
+#include <err.h>
+#include <errno.h>
+#include <fstab.h>
+#include <grp.h>
+#include <inttypes.h>
+#include <libutil.h>
+#include <pwd.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "pathnames.h"
+
+/* Let's be paranoid about block size */
+#if 10 > DEV_BSHIFT
+#define dbtokb(db) \
+ ((off_t)(db) >> (10-DEV_BSHIFT))
+#elif 10 < DEV_BSHIFT
+#define dbtokb(db) \
+ ((off_t)(db) << (DEV_BSHIFT-10))
+#else
+#define dbtokb(db) (db)
+#endif
+
+const char *qfextension[] = INITQFNAMES;
+char tmpfil[] = _PATH_TMP;
+int hflag;
+
+struct quotause {
+ struct quotause *next;
+ struct quotafile *qf;
+ struct dqblk dqblk;
+ int flags;
+ char fsname[MAXPATHLEN + 1];
+};
+#define FOUND 0x01
+
+int alldigits(const char *s);
+int cvtatos(uint64_t, char *, uint64_t *);
+char *cvtstoa(uint64_t);
+uint64_t cvtblkval(uint64_t, char, const char *);
+uint64_t cvtinoval(uint64_t, char, const char *);
+int editit(char *);
+char *fmthumanvalblks(int64_t);
+char *fmthumanvalinos(int64_t);
+void freeprivs(struct quotause *);
+int getentry(const char *, int);
+struct quotause *getprivs(long, int, char *);
+void putprivs(long, struct quotause *);
+int readprivs(struct quotause *, char *);
+int readtimes(struct quotause *, char *);
+static void usage(void);
+int writetimes(struct quotause *, int, int);
+int writeprivs(struct quotause *, int, char *, int);
+
+int
+main(int argc, char *argv[])
+{
+ struct quotause *qup, *protoprivs, *curprivs;
+ long id, protoid;
+ int i, quotatype, range, tmpfd;
+ uid_t startuid, enduid;
+ uint64_t lim;
+ char *protoname, *cp, *endpt, *oldoptarg;
+ int eflag = 0, tflag = 0, pflag = 0, ch;
+ char *fspath = NULL;
+ char buf[MAXLOGNAME];
+
+ if (argc < 2)
+ usage();
+ if (getuid())
+ errx(1, "permission denied");
+ quotatype = USRQUOTA;
+ protoprivs = NULL;
+ curprivs = NULL;
+ protoname = NULL;
+ while ((ch = getopt(argc, argv, "ughtf:p:e:")) != -1) {
+ switch(ch) {
+ case 'f':
+ fspath = optarg;
+ break;
+ case 'p':
+ if (eflag) {
+ warnx("cannot specify both -e and -p");
+ usage();
+ /* not reached */
+ }
+ protoname = optarg;
+ pflag++;
+ break;
+ case 'g':
+ quotatype = GRPQUOTA;
+ break;
+ case 'h':
+ hflag++;
+ break;
+ case 'u':
+ quotatype = USRQUOTA;
+ break;
+ case 't':
+ tflag++;
+ break;
+ case 'e':
+ if (pflag) {
+ warnx("cannot specify both -e and -p");
+ usage();
+ /* not reached */
+ }
+ if ((qup = calloc(1, sizeof(*qup))) == NULL)
+ errx(2, "out of memory");
+ oldoptarg = optarg;
+ for (i = 0, cp = optarg;
+ (cp = strsep(&optarg, ":")) != NULL; i++) {
+ if (cp != oldoptarg)
+ *(cp - 1) = ':';
+ if (i > 0 && !isdigit(*cp)) {
+ warnx("incorrect quota specification: "
+ "%s", oldoptarg);
+ usage();
+ /* Not Reached */
+ }
+ switch (i) {
+ case 0:
+ strlcpy(qup->fsname, cp,
+ sizeof(qup->fsname));
+ break;
+ case 1:
+ lim = strtoll(cp, &endpt, 10);
+ qup->dqblk.dqb_bsoftlimit =
+ cvtblkval(lim, *endpt,
+ "block soft limit");
+ continue;
+ case 2:
+ lim = strtoll(cp, &endpt, 10);
+ qup->dqblk.dqb_bhardlimit =
+ cvtblkval(lim, *endpt,
+ "block hard limit");
+ continue;
+ case 3:
+ lim = strtoll(cp, &endpt, 10);
+ qup->dqblk.dqb_isoftlimit =
+ cvtinoval(lim, *endpt,
+ "inode soft limit");
+ continue;
+ case 4:
+ lim = strtoll(cp, &endpt, 10);
+ qup->dqblk.dqb_ihardlimit =
+ cvtinoval(lim, *endpt,
+ "inode hard limit");
+ continue;
+ default:
+ warnx("incorrect quota specification: "
+ "%s", oldoptarg);
+ usage();
+ /* Not Reached */
+ }
+ }
+ if (protoprivs == NULL) {
+ protoprivs = curprivs = qup;
+ } else {
+ curprivs->next = qup;
+ curprivs = qup;
+ }
+ eflag++;
+ break;
+ default:
+ usage();
+ /* Not Reached */
+ }
+ }
+ argc -= optind;
+ argv += optind;
+ if (pflag || eflag) {
+ if (pflag) {
+ if ((protoid = getentry(protoname, quotatype)) == -1)
+ exit(1);
+ protoprivs = getprivs(protoid, quotatype, fspath);
+ if (protoprivs == NULL)
+ exit(0);
+ for (qup = protoprivs; qup; qup = qup->next) {
+ qup->dqblk.dqb_btime = 0;
+ qup->dqblk.dqb_itime = 0;
+ }
+ }
+ for (; argc-- > 0; argv++) {
+ if (strspn(*argv, "0123456789-") == strlen(*argv) &&
+ (cp = strchr(*argv, '-')) != NULL) {
+ *cp++ = '\0';
+ startuid = atoi(*argv);
+ enduid = atoi(cp);
+ if (enduid < startuid)
+ errx(1,
+ "ending uid (%d) must be >= starting uid (%d) when using uid ranges",
+ enduid, startuid);
+ range = 1;
+ } else {
+ startuid = enduid = 0;
+ range = 0;
+ }
+ for ( ; startuid <= enduid; startuid++) {
+ if (range)
+ snprintf(buf, sizeof(buf), "%d",
+ startuid);
+ else
+ snprintf(buf, sizeof(buf), "%s",
+ *argv);
+ if ((id = getentry(buf, quotatype)) < 0)
+ continue;
+ if (pflag) {
+ putprivs(id, protoprivs);
+ continue;
+ }
+ for (qup = protoprivs; qup; qup = qup->next) {
+ curprivs = getprivs(id, quotatype,
+ qup->fsname);
+ if (curprivs == NULL)
+ continue;
+ curprivs->dqblk = qup->dqblk;
+ putprivs(id, curprivs);
+ freeprivs(curprivs);
+ }
+ }
+ }
+ if (pflag)
+ freeprivs(protoprivs);
+ exit(0);
+ }
+ tmpfd = mkstemp(tmpfil);
+ fchown(tmpfd, getuid(), getgid());
+ if (tflag) {
+ if ((protoprivs = getprivs(0, quotatype, fspath)) != NULL) {
+ if (writetimes(protoprivs, tmpfd, quotatype) != 0 &&
+ editit(tmpfil) && readtimes(protoprivs, tmpfil))
+ putprivs(0L, protoprivs);
+ freeprivs(protoprivs);
+ }
+ close(tmpfd);
+ unlink(tmpfil);
+ exit(0);
+ }
+ for ( ; argc > 0; argc--, argv++) {
+ if ((id = getentry(*argv, quotatype)) == -1)
+ continue;
+ if ((curprivs = getprivs(id, quotatype, fspath)) == NULL)
+ exit(1);
+ if (writeprivs(curprivs, tmpfd, *argv, quotatype) == 0)
+ continue;
+ if (editit(tmpfil) && readprivs(curprivs, tmpfil))
+ putprivs(id, curprivs);
+ freeprivs(curprivs);
+ }
+ close(tmpfd);
+ unlink(tmpfil);
+ exit(0);
+}
+
+static void
+usage(void)
+{
+ fprintf(stderr, "%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n",
+ "usage: edquota [-uh] [-f fspath] [-p username] username ...",
+ " edquota [-u] -e fspath[:bslim[:bhlim[:islim[:ihlim]]]] [-e ...]",
+ " username ...",
+ " edquota -g [-h] [-f fspath] [-p groupname] groupname ...",
+ " edquota -g -e fspath[:bslim[:bhlim[:islim[:ihlim]]]] [-e ...]",
+ " groupname ...",
+ " edquota [-u] -t [-f fspath]",
+ " edquota -g -t [-f fspath]");
+ exit(1);
+}
+
+/*
+ * This routine converts a name for a particular quota type to
+ * an identifier. This routine must agree with the kernel routine
+ * getinoquota as to the interpretation of quota types.
+ */
+int
+getentry(const char *name, int quotatype)
+{
+ struct passwd *pw;
+ struct group *gr;
+
+ if (alldigits(name))
+ return (atoi(name));
+ switch(quotatype) {
+ case USRQUOTA:
+ if ((pw = getpwnam(name)))
+ return (pw->pw_uid);
+ warnx("%s: no such user", name);
+ sleep(3);
+ break;
+ case GRPQUOTA:
+ if ((gr = getgrnam(name)))
+ return (gr->gr_gid);
+ warnx("%s: no such group", name);
+ sleep(3);
+ break;
+ default:
+ warnx("%d: unknown quota type", quotatype);
+ sleep(3);
+ break;
+ }
+ sleep(1);
+ return (-1);
+}
+
+/*
+ * Collect the requested quota information.
+ */
+struct quotause *
+getprivs(long id, int quotatype, char *fspath)
+{
+ struct quotafile *qf;
+ struct fstab *fs;
+ struct quotause *qup, *quptail;
+ struct quotause *quphead;
+
+ setfsent();
+ quphead = quptail = NULL;
+ while ((fs = getfsent())) {
+ if (fspath && *fspath && strcmp(fspath, fs->fs_spec) &&
+ strcmp(fspath, fs->fs_file))
+ continue;
+ if (strcmp(fs->fs_vfstype, "ufs"))
+ continue;
+ if ((qf = quota_open(fs, quotatype, O_CREAT|O_RDWR)) == NULL) {
+ if (errno != EOPNOTSUPP)
+ warn("cannot open quotas on %s", fs->fs_file);
+ continue;
+ }
+ if ((qup = (struct quotause *)calloc(1, sizeof(*qup))) == NULL)
+ errx(2, "out of memory");
+ qup->qf = qf;
+ strncpy(qup->fsname, fs->fs_file, sizeof(qup->fsname));
+ if (quota_read(qf, &qup->dqblk, id) == -1) {
+ warn("cannot read quotas on %s", fs->fs_file);
+ freeprivs(qup);
+ continue;
+ }
+ if (quphead == NULL)
+ quphead = qup;
+ else
+ quptail->next = qup;
+ quptail = qup;
+ qup->next = 0;
+ }
+ if (quphead == NULL) {
+ warnx("No quotas on %s", fspath ? fspath : "any filesystems");
+ }
+ endfsent();
+ return (quphead);
+}
+
+/*
+ * Store the requested quota information.
+ */
+void
+putprivs(long id, struct quotause *quplist)
+{
+ struct quotause *qup;
+
+ for (qup = quplist; qup; qup = qup->next)
+ if (quota_write_limits(qup->qf, &qup->dqblk, id) == -1)
+ warn("%s", qup->fsname);
+}
+
+/*
+ * Take a list of privileges and get it edited.
+ */
+int
+editit(char *tmpf)
+{
+ long omask;
+ int pid, status;
+
+ omask = sigblock(sigmask(SIGINT)|sigmask(SIGQUIT)|sigmask(SIGHUP));
+ top:
+ if ((pid = fork()) < 0) {
+
+ if (errno == EPROCLIM) {
+ warnx("you have too many processes");
+ return(0);
+ }
+ if (errno == EAGAIN) {
+ sleep(1);
+ goto top;
+ }
+ warn("fork");
+ return (0);
+ }
+ if (pid == 0) {
+ const char *ed;
+
+ sigsetmask(omask);
+ if (setgid(getgid()) != 0)
+ err(1, "setgid failed");
+ if (setuid(getuid()) != 0)
+ err(1, "setuid failed");
+ if ((ed = getenv("EDITOR")) == (char *)0)
+ ed = _PATH_VI;
+ execlp(ed, ed, tmpf, (char *)0);
+ err(1, "%s", ed);
+ }
+ waitpid(pid, &status, 0);
+ sigsetmask(omask);
+ if (!WIFEXITED(status) || WEXITSTATUS(status) != 0)
+ return (0);
+ return (1);
+}
+
+/*
+ * Convert a quotause list to an ASCII file.
+ */
+int
+writeprivs(struct quotause *quplist, int outfd, char *name, int quotatype)
+{
+ struct quotause *qup;
+ FILE *fd;
+
+ ftruncate(outfd, 0);
+ lseek(outfd, 0, L_SET);
+ if ((fd = fdopen(dup(outfd), "w")) == NULL)
+ err(1, "%s", tmpfil);
+ fprintf(fd, "Quotas for %s %s:\n", qfextension[quotatype], name);
+ for (qup = quplist; qup; qup = qup->next) {
+ fprintf(fd, "%s: in use: %s, ", qup->fsname,
+ fmthumanvalblks(qup->dqblk.dqb_curblocks));
+ fprintf(fd, "limits (soft = %s, ",
+ fmthumanvalblks(qup->dqblk.dqb_bsoftlimit));
+ fprintf(fd, "hard = %s)\n",
+ fmthumanvalblks(qup->dqblk.dqb_bhardlimit));
+ fprintf(fd, "\tinodes in use: %s, ",
+ fmthumanvalinos(qup->dqblk.dqb_curinodes));
+ fprintf(fd, "limits (soft = %s, ",
+ fmthumanvalinos(qup->dqblk.dqb_isoftlimit));
+ fprintf(fd, "hard = %s)\n",
+ fmthumanvalinos(qup->dqblk.dqb_ihardlimit));
+ }
+ fclose(fd);
+ return (1);
+}
+
+char *
+fmthumanvalblks(int64_t blocks)
+{
+ static char numbuf[20];
+
+ if (hflag) {
+ humanize_number(numbuf, blocks < 0 ? 7 : 6,
+ dbtob(blocks), "", HN_AUTOSCALE, HN_NOSPACE);
+ return (numbuf);
+ }
+ snprintf(numbuf, sizeof(numbuf), "%juk", (uintmax_t)dbtokb(blocks));
+ return(numbuf);
+}
+
+char *
+fmthumanvalinos(int64_t inos)
+{
+ static char numbuf[20];
+
+ if (hflag) {
+ humanize_number(numbuf, inos < 0 ? 7 : 6,
+ inos, "", HN_AUTOSCALE, HN_NOSPACE | HN_DIVISOR_1000);
+ return (numbuf);
+ }
+ snprintf(numbuf, sizeof(numbuf), "%ju", (uintmax_t)inos);
+ return(numbuf);
+}
+
+/*
+ * Merge changes to an ASCII file into a quotause list.
+ */
+int
+readprivs(struct quotause *quplist, char *inname)
+{
+ struct quotause *qup;
+ FILE *fd;
+ uintmax_t hardlimit, softlimit, curitems;
+ char hardunits, softunits, curitemunits;
+ int cnt;
+ char *cp;
+ struct dqblk dqblk;
+ char *fsp, line1[BUFSIZ], line2[BUFSIZ];
+
+ fd = fopen(inname, "r");
+ if (fd == NULL) {
+ warnx("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(line1, sizeof (line1), fd) != NULL &&
+ fgets(line2, sizeof (line2), fd) != NULL) {
+ if ((fsp = strtok(line1, " \t:")) == NULL) {
+ warnx("%s: bad format", line1);
+ return (0);
+ }
+ if ((cp = strtok((char *)0, "\n")) == NULL) {
+ warnx("%s: %s: bad format", fsp, &fsp[strlen(fsp) + 1]);
+ return (0);
+ }
+ cnt = sscanf(cp,
+ " in use: %ju%c, limits (soft = %ju%c, hard = %ju%c)",
+ &curitems, &curitemunits, &softlimit, &softunits,
+ &hardlimit, &hardunits);
+ /*
+ * The next three check for old-style input formats.
+ */
+ if (cnt != 6)
+ cnt = sscanf(cp,
+ " in use: %ju%c, limits (soft = %ju%c hard = %ju%c",
+ &curitems, &curitemunits, &softlimit,
+ &softunits, &hardlimit, &hardunits);
+ if (cnt != 6)
+ cnt = sscanf(cp,
+ " in use: %ju%c, limits (soft = %ju%c hard = %ju%c)",
+ &curitems, &curitemunits, &softlimit,
+ &softunits, &hardlimit, &hardunits);
+ if (cnt != 6)
+ cnt = sscanf(cp,
+ " in use: %ju%c, limits (soft = %ju%c, hard = %ju%c",
+ &curitems, &curitemunits, &softlimit,
+ &softunits, &hardlimit, &hardunits);
+ if (cnt != 6) {
+ warnx("%s:%s: bad format", fsp, cp);
+ return (0);
+ }
+ dqblk.dqb_curblocks = cvtblkval(curitems, curitemunits,
+ "current block count");
+ dqblk.dqb_bsoftlimit = cvtblkval(softlimit, softunits,
+ "block soft limit");
+ dqblk.dqb_bhardlimit = cvtblkval(hardlimit, hardunits,
+ "block hard limit");
+ if ((cp = strtok(line2, "\n")) == NULL) {
+ warnx("%s: %s: bad format", fsp, line2);
+ return (0);
+ }
+ cnt = sscanf(&cp[7],
+ " in use: %ju%c limits (soft = %ju%c, hard = %ju%c)",
+ &curitems, &curitemunits, &softlimit,
+ &softunits, &hardlimit, &hardunits);
+ /*
+ * The next three check for old-style input formats.
+ */
+ if (cnt != 6)
+ cnt = sscanf(&cp[7],
+ " in use: %ju%c limits (soft = %ju%c hard = %ju%c",
+ &curitems, &curitemunits, &softlimit,
+ &softunits, &hardlimit, &hardunits);
+ if (cnt != 6)
+ cnt = sscanf(&cp[7],
+ " in use: %ju%c limits (soft = %ju%c hard = %ju%c)",
+ &curitems, &curitemunits, &softlimit,
+ &softunits, &hardlimit, &hardunits);
+ if (cnt != 6)
+ cnt = sscanf(&cp[7],
+ " in use: %ju%c limits (soft = %ju%c, hard = %ju%c",
+ &curitems, &curitemunits, &softlimit,
+ &softunits, &hardlimit, &hardunits);
+ if (cnt != 6) {
+ warnx("%s: %s: bad format cnt %d", fsp, &cp[7], cnt);
+ return (0);
+ }
+ dqblk.dqb_curinodes = cvtinoval(curitems, curitemunits,
+ "current inode count");
+ dqblk.dqb_isoftlimit = cvtinoval(softlimit, softunits,
+ "inode soft limit");
+ dqblk.dqb_ihardlimit = cvtinoval(hardlimit, hardunits,
+ "inode hard limit");
+ for (qup = quplist; qup; qup = qup->next) {
+ if (strcmp(fsp, qup->fsname))
+ continue;
+ /*
+ * 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 (dqblk.dqb_bsoftlimit &&
+ qup->dqblk.dqb_curblocks >= dqblk.dqb_bsoftlimit &&
+ (qup->dqblk.dqb_bsoftlimit == 0 ||
+ qup->dqblk.dqb_curblocks <
+ qup->dqblk.dqb_bsoftlimit))
+ qup->dqblk.dqb_btime = 0;
+ if (dqblk.dqb_isoftlimit &&
+ qup->dqblk.dqb_curinodes >= dqblk.dqb_isoftlimit &&
+ (qup->dqblk.dqb_isoftlimit == 0 ||
+ qup->dqblk.dqb_curinodes <
+ qup->dqblk.dqb_isoftlimit))
+ qup->dqblk.dqb_itime = 0;
+ qup->dqblk.dqb_bsoftlimit = dqblk.dqb_bsoftlimit;
+ qup->dqblk.dqb_bhardlimit = dqblk.dqb_bhardlimit;
+ qup->dqblk.dqb_isoftlimit = dqblk.dqb_isoftlimit;
+ qup->dqblk.dqb_ihardlimit = dqblk.dqb_ihardlimit;
+ qup->flags |= FOUND;
+ /* Humanized input returns only approximate counts */
+ if (hflag ||
+ (dqblk.dqb_curblocks == qup->dqblk.dqb_curblocks &&
+ dqblk.dqb_curinodes == qup->dqblk.dqb_curinodes))
+ break;
+ warnx("%s: cannot change current allocation", fsp);
+ break;
+ }
+ }
+ fclose(fd);
+ /*
+ * Disable quotas for any filesystems that have not been found.
+ */
+ for (qup = quplist; qup; qup = qup->next) {
+ if (qup->flags & FOUND) {
+ qup->flags &= ~FOUND;
+ continue;
+ }
+ qup->dqblk.dqb_bsoftlimit = 0;
+ qup->dqblk.dqb_bhardlimit = 0;
+ qup->dqblk.dqb_isoftlimit = 0;
+ qup->dqblk.dqb_ihardlimit = 0;
+ }
+ return (1);
+}
+
+/*
+ * Convert a quotause list to an ASCII file of grace times.
+ */
+int
+writetimes(struct quotause *quplist, int outfd, int quotatype)
+{
+ struct quotause *qup;
+ FILE *fd;
+
+ ftruncate(outfd, 0);
+ lseek(outfd, 0, L_SET);
+ if ((fd = fdopen(dup(outfd), "w")) == NULL)
+ err(1, "%s", tmpfil);
+ fprintf(fd, "Time units may be: days, hours, minutes, or seconds\n");
+ fprintf(fd, "Grace period before enforcing soft limits for %ss:\n",
+ qfextension[quotatype]);
+ for (qup = quplist; qup; qup = qup->next) {
+ fprintf(fd, "%s: block grace period: %s, ",
+ qup->fsname, cvtstoa(qup->dqblk.dqb_btime));
+ fprintf(fd, "file grace period: %s\n",
+ cvtstoa(qup->dqblk.dqb_itime));
+ }
+ fclose(fd);
+ return (1);
+}
+
+/*
+ * Merge changes of grace times in an ASCII file into a quotause list.
+ */
+int
+readtimes(struct quotause *quplist, char *inname)
+{
+ struct quotause *qup;
+ FILE *fd;
+ int cnt;
+ char *cp;
+ uintmax_t itime, btime, iseconds, bseconds;
+ char *fsp, bunits[10], iunits[10], line1[BUFSIZ];
+
+ fd = fopen(inname, "r");
+ if (fd == NULL) {
+ warnx("can't re-read temp file!!");
+ return (0);
+ }
+ /*
+ * Discard two title lines, then read lines to process.
+ */
+ (void) fgets(line1, sizeof (line1), fd);
+ (void) fgets(line1, sizeof (line1), fd);
+ while (fgets(line1, sizeof (line1), fd) != NULL) {
+ if ((fsp = strtok(line1, " \t:")) == NULL) {
+ warnx("%s: bad format", line1);
+ return (0);
+ }
+ if ((cp = strtok((char *)0, "\n")) == NULL) {
+ warnx("%s: %s: bad format", fsp, &fsp[strlen(fsp) + 1]);
+ return (0);
+ }
+ cnt = sscanf(cp,
+ " block grace period: %ju %s file grace period: %ju %s",
+ &btime, bunits, &itime, iunits);
+ if (cnt != 4) {
+ warnx("%s:%s: bad format", fsp, cp);
+ return (0);
+ }
+ if (cvtatos(btime, bunits, &bseconds) == 0)
+ return (0);
+ if (cvtatos(itime, iunits, &iseconds) == 0)
+ return (0);
+ for (qup = quplist; qup; qup = qup->next) {
+ if (strcmp(fsp, qup->fsname))
+ continue;
+ qup->dqblk.dqb_btime = bseconds;
+ qup->dqblk.dqb_itime = iseconds;
+ qup->flags |= FOUND;
+ break;
+ }
+ }
+ fclose(fd);
+ /*
+ * reset default grace periods for any filesystems
+ * that have not been found.
+ */
+ for (qup = quplist; qup; qup = qup->next) {
+ if (qup->flags & FOUND) {
+ qup->flags &= ~FOUND;
+ continue;
+ }
+ qup->dqblk.dqb_btime = 0;
+ qup->dqblk.dqb_itime = 0;
+ }
+ return (1);
+}
+
+/*
+ * Convert seconds to ASCII times.
+ */
+char *
+cvtstoa(uint64_t secs)
+{
+ static char buf[20];
+
+ if (secs % (24 * 60 * 60) == 0) {
+ secs /= 24 * 60 * 60;
+ sprintf(buf, "%ju day%s", (uintmax_t)secs,
+ secs == 1 ? "" : "s");
+ } else if (secs % (60 * 60) == 0) {
+ secs /= 60 * 60;
+ sprintf(buf, "%ju hour%s", (uintmax_t)secs,
+ secs == 1 ? "" : "s");
+ } else if (secs % 60 == 0) {
+ secs /= 60;
+ sprintf(buf, "%ju minute%s", (uintmax_t)secs,
+ secs == 1 ? "" : "s");
+ } else
+ sprintf(buf, "%ju second%s", (uintmax_t)secs,
+ secs == 1 ? "" : "s");
+ return (buf);
+}
+
+/*
+ * Convert ASCII input times to seconds.
+ */
+int
+cvtatos(uint64_t period, char *units, uint64_t *seconds)
+{
+
+ if (bcmp(units, "second", 6) == 0)
+ *seconds = period;
+ else if (bcmp(units, "minute", 6) == 0)
+ *seconds = period * 60;
+ else if (bcmp(units, "hour", 4) == 0)
+ *seconds = period * 60 * 60;
+ else if (bcmp(units, "day", 3) == 0)
+ *seconds = period * 24 * 60 * 60;
+ else {
+ warnx("%s: bad units, specify %s\n", units,
+ "days, hours, minutes, or seconds");
+ return (0);
+ }
+ return (1);
+}
+
+/*
+ * Convert a limit to number of disk blocks.
+ */
+uint64_t
+cvtblkval(uint64_t limit, char units, const char *itemname)
+{
+
+ switch(units) {
+ case 'B':
+ case 'b':
+ limit = btodb(limit);
+ break;
+ case '\0': /* historic behavior */
+ case ',': /* historic behavior */
+ case ')': /* historic behavior */
+ case 'K':
+ case 'k':
+ limit *= btodb(1024);
+ break;
+ case 'M':
+ case 'm':
+ limit *= btodb(1048576);
+ break;
+ case 'G':
+ case 'g':
+ limit *= btodb(1073741824);
+ break;
+ case 'T':
+ case 't':
+ limit *= btodb(1099511627776);
+ break;
+ case 'P':
+ case 'p':
+ limit *= btodb(1125899906842624);
+ break;
+ case 'E':
+ case 'e':
+ limit *= btodb(1152921504606846976);
+ break;
+ case ' ':
+ errx(2, "No space permitted between value and units for %s\n",
+ itemname);
+ break;
+ default:
+ errx(2, "%ju%c: unknown units for %s, specify "
+ "none, K, M, G, T, P, or E\n",
+ (uintmax_t)limit, units, itemname);
+ break;
+ }
+ return (limit);
+}
+
+/*
+ * Convert a limit to number of inodes.
+ */
+uint64_t
+cvtinoval(uint64_t limit, char units, const char *itemname)
+{
+
+ switch(units) {
+ case 'B':
+ case 'b':
+ case '\0': /* historic behavior */
+ case ',': /* historic behavior */
+ case ')': /* historic behavior */
+ break;
+ case 'K':
+ case 'k':
+ limit *= 1000;
+ break;
+ case 'M':
+ case 'm':
+ limit *= 1000000;
+ break;
+ case 'G':
+ case 'g':
+ limit *= 1000000000;
+ break;
+ case 'T':
+ case 't':
+ limit *= 1000000000000;
+ break;
+ case 'P':
+ case 'p':
+ limit *= 1000000000000000;
+ break;
+ case 'E':
+ case 'e':
+ limit *= 1000000000000000000;
+ break;
+ case ' ':
+ errx(2, "No space permitted between value and units for %s\n",
+ itemname);
+ break;
+ default:
+ errx(2, "%ju%c: unknown units for %s, specify "
+ "none, K, M, G, T, P, or E\n",
+ (uintmax_t)limit, units, itemname);
+ break;
+ }
+ return (limit);
+}
+
+/*
+ * Free a list of quotause structures.
+ */
+void
+freeprivs(struct quotause *quplist)
+{
+ struct quotause *qup, *nextqup;
+
+ for (qup = quplist; qup; qup = nextqup) {
+ quota_close(qup->qf);
+ nextqup = qup->next;
+ free(qup);
+ }
+}
+
+/*
+ * Check whether a string is completely composed of digits.
+ */
+int
+alldigits(const char *s)
+{
+ int c;
+
+ c = *s++;
+ do {
+ if (!isdigit(c))
+ return (0);
+ } while ((c = *s++));
+ return (1);
+}
OpenPOWER on IntegriCloud