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quota_multi_tests.c
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/* -*- mode: c; c-basic-offset: 8; -*-
* vim: noexpandtab sw=8 ts=8 sts=0:
*
* quota_multi_tests.c
*
* A mpi compatible program to test quota among mutiple nodes by
* running a series of generic and stress tests.
*
* Author: Tristan Ye ([email protected])
*
* Copyright (C) 2008 Oracle. All rights reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public
* License version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
#include "quota.h"
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/types.h>
#include <limits.h>
#include <errno.h>
#include <string.h>
#include <sys/stat.h>
#include <stdarg.h>
#include <sys/xattr.h>
#include <dirent.h>
#include <sys/wait.h>
#include <signal.h>
#include <mpi.h>
#include <pwd.h>
#include <grp.h>
#include <ocfs2/ocfs2.h>
#define HOSTNAME_MAX_SZ 100
#define PATH_SZ 255
#define MAX_FILENAME_SZ 200
#define DEFAULT_ITER_NUMS 1
#define DEFAULT_USER_NUM 10
#define DEFAULT_GROUP_NUM 10
#define TEST_NODES_MAX_NUM 32
#define USERNAME_SZ 100
#define GROUPNAME_SZ 100
#define QUOTAON_BIN "/usr/local/sbin/quotaon"
#define USERADD_BIN "/usr/sbin/useradd"
#define USERDEL_BIN "/usr/sbin/userdel"
#define GROUPADD_BIN "/usr/sbin/groupadd"
#define GROUPDEL_BIN "/usr/sbin/groupdel"
#define WORKPLACE "quota-test"
#define USER 1
#define GROUP 2
#define USER_IN_GROUP 4
#define ADD 1
#define REMOVE 2
#define QUOTAUSER 1
#define QUOTAGROUP 2
#define ISOFT_LIMIT 1
#define IHARD_LIMIT 2
#define BSOFT_LIMIT 4
#define BHARD_LIMIT 8
#define FILE_MODE (S_IRUSR|S_IWUSR|S_IXUSR|S_IROTH|\
S_IWOTH|S_IXOTH|S_IRGRP|S_IWGRP|S_IXGRP)
static char *prog;
static char mountpoint[PATH_SZ + 1];
static char device[PATH_SZ + 1];
static char workplace[PATH_SZ +1];
static char filename[PATH_SZ +1];
static long iterations = DEFAULT_ITER_NUMS;
static long user_nums = DEFAULT_USER_NUM;
static long group_nums = DEFAULT_GROUP_NUM;
static int type = 0;
static int testno = 1;
static int rank, size;
static char hostname[HOSTNAME_MAX_SZ];
static unsigned int blocksize;
static unsigned long clustersize;
ocfs2_filesys *fs;
struct ocfs2_super_block *ocfs2_sb;
static int usage(void)
{
printf("Usage: quota_multi_tests [-t iterations] [-u users] [-g groups] "
"<-d device> <mount_point>\n"
"Run a series of tests intended to verify quota functionality "
"among multiple nodes.\n\n"
"-i iterations specify the running times.\n"
"-u users,specify the number of users.\n"
"-g groups,specify the number of groups.\n"
"at least one of the -u or -g options shoud be selected.\n"
"device and mount_point are mandatory.\n");
MPI_Finalize();
exit(1);
}
static void abort_printf(const char *fmt, ...)
{
va_list ap;
printf("%s (rank %d): ", hostname, rank);
va_start(ap, fmt);
vprintf(fmt, ap);
MPI_Abort(MPI_COMM_WORLD, 1);
}
static void log_printf(FILE *stream, const char *fmt, ...)
{
va_list ap;
fprintf(stream, "%s (rank %d): ", hostname, rank);
va_start(ap,fmt);
vprintf(fmt, ap);
}
static void root_printf(const char *fmt, ...)
{
va_list ap;
if (rank == 0) {
va_start(ap, fmt);
vprintf(fmt, ap);
}
}
static uid_t user2uid(char *name)
{
struct passwd *entry;
uid_t ret;
if (!(entry = getpwnam(name))) {
ret = errno;
log_printf(stderr, "user %s does not exist!\n", name);
return ret;
} else {
ret = entry->pw_uid;
return ret;
}
}
static uid_t group2gid(char *name)
{
struct group *entry;
gid_t ret;
if (!(entry = getgrnam(name))) {
ret = errno;
log_printf(stderr, "group %s does not exist!\n", name);
return ret;
} else {
ret = entry->gr_gid;
return ret;
}
}
static int name2id(int type, char *name)
{
if (type & USER)
return user2uid(name);
if (type & GROUP)
return group2gid(name);
return -1;
}
static void MPI_Barrier_Sync(void)
{
int ret;
ret = MPI_Barrier(MPI_COMM_WORLD);
if (ret != MPI_SUCCESS)
abort_printf("MPI_Barrier failed: %d\n", ret);
}
int open_ocfs2_volume(char *device_name)
{
int open_flags = OCFS2_FLAG_HEARTBEAT_DEV_OK | OCFS2_FLAG_RO;
int ret;
ret = ocfs2_open(device_name, open_flags, 0, 0, &fs);
if (ret < 0) {
fprintf(stderr, "%s is not a ocfs2 volume!\n", device_name);
return ret;
}
ocfs2_sb = OCFS2_RAW_SB(fs->fs_super);
blocksize = 1 << ocfs2_sb->s_blocksize_bits;
clustersize = 1 << ocfs2_sb->s_clustersize_bits;
return 0;
}
static int parse_opts(int argc, char *argv[])
{
char c;
while (1) {
c = getopt(argc, argv, "i:I:u:U:g:G:d:D:t:T:");
if (c == -1)
break;
switch (c) {
case 'i':
case 'I':
iterations = atol(optarg);
break;
case 'u':
case 'U':
type |= QUOTAUSER;
user_nums = atol(optarg);
break;
case 'g':
case 'G':
type |= QUOTAGROUP;
group_nums = atol(optarg);
break;
case 'd':
case 'D':
strcpy(device, optarg);
break;
case 't':
case 'T':
iterations = atol(optarg);
default:
return EINVAL;
}
}
if (argc - optind != 1)
return EINVAL;
if (!(type & QUOTAUSER) && !(type & QUOTAGROUP)) {
log_printf(stderr, "At least one of -u or -g options "
"should be specified!\n");
return EINVAL;
}
strcpy(mountpoint, argv[optind]);
if (mountpoint[strlen(mountpoint) - 1] == '/')
mountpoint[strlen(mountpoint) - 1] = '\0';
return 0;
}
static int add_rm_user_group(const char *bin_path, int ad_or_rm, int usr_or_grp,
const char *name, char *ex_name)
{
int ret = 0;
int child_status;
char *argv[6];
char arg1[20];
pid_t child;
child = fork();
if (child < 0) {
ret = errno;
log_printf(stderr, "Failed to fork for user/group add/remove:%d:%s\n",
ret, strerror(ret));
goto bail;
}
if (!child) {
argv[0] = (char *)bin_path;
if (usr_or_grp & USER) {
if (ad_or_rm & ADD)
strcpy(arg1, "-m");
else
strcpy(arg1, "-r");
argv[1] = arg1;
argv[2] = (char *)name;
argv[3] = NULL;
} else if (usr_or_grp & GROUP) {
argv[1] = (char *)name;
argv[2] = NULL;
} else if (usr_or_grp & USER_IN_GROUP) {
strcpy(arg1, "-m");
argv[1] = arg1;
argv[2] = "-g";
argv[3] = (char *)ex_name;
argv[4] = (char *)name;
argv[5] = NULL;
}
ret = execv(argv[0], argv);
ret = errno;
exit(ret);
} else {
ret = waitpid(child, &child_status, 0);
if (ret < 0) {
ret = errno;
log_printf(stderr, "Failed to wait child for its completion"
":%d:%s\n", ret, strerror(ret));
goto bail;
}
ret = WEXITSTATUS(child_status);
}
bail:
return ret;
}
static int quota_on_off(const char *qbin_path, int on, int type,
const char *fsname)
{
int ret = 0;
int child_status;
char *argv[4];
char arg1[20];
pid_t child;
child = fork();
if (child < 0) {
ret = errno;
log_printf(stderr, "Failed to fork for quota on or off:%d:%s\n",
ret, strerror(ret));
goto bail;
}
if (!child) {
argv[0] = (char *)qbin_path;
strcpy(arg1, "-");
if (type & QUOTAUSER)
strcat(arg1, "u");
if (type & QUOTAGROUP)
strcat(arg1, "g");
if (!on)
strcat(arg1, "f");
argv[1] = arg1;
argv[2] = (char *)fsname;
argv[3] = NULL;
ret = execv(argv[0], argv);
ret = errno;
exit(ret);
} else {
ret = waitpid(child, &child_status, 0);
if (ret < 0) {
ret = errno;
log_printf(stderr, "Failed to wait child for its completion"
":%d:%s\n", ret, strerror(ret));
goto bail;
}
ret = WEXITSTATUS(child_status);
}
bail:
return ret;
}
static int setquotainfo(int type, const char *device, int id, struct if_dqinfo dqi)
{
int ret;
int q_type;
if (type & QUOTAUSER)
q_type = USRQUOTA;
else
q_type = GRPQUOTA;
if (quotactl(QCMD(Q_SETINFO, q_type), device, id, (caddr_t) & dqi)) {
ret = errno;
log_printf(stderr, "Set quota info failed,quotactl:%d:%s\n",
ret, strerror(ret));
} else
ret = 0;
return ret;
}
static int setquota(int type, const char *device, int id, struct if_dqblk dq)
{
int ret;
int q_type;
if (type & QUOTAUSER)
q_type = USRQUOTA;
else
q_type = GRPQUOTA;
if (quotactl(QCMD(Q_SETQUOTA, q_type), device, id, (caddr_t) & dq)) {
ret = errno;
log_printf(stderr, "Set quota failed,quotactl:%d:%s\n",
ret, strerror(ret));
} else
ret = 0;
return ret;
}
static int getquotainfo(int type, const char *device, int id, struct if_dqinfo *dqi)
{
int ret;
int q_type;
if (type & QUOTAUSER)
q_type = USRQUOTA;
else
q_type = GRPQUOTA;
if (quotactl(QCMD(Q_GETINFO, q_type), device, id, (caddr_t)dqi)) {
ret = errno;
log_printf(stderr, "Get quota info failed, quotactl:%d:%s\n",
ret, strerror(ret));
} else
ret = 0;
return ret;
}
static int getquota(int type, const char *deive, int id, struct if_dqblk *dq)
{
int ret;
int q_type;
if (type & QUOTAUSER)
q_type = USRQUOTA;
else
q_type = GRPQUOTA;
if (quotactl(QCMD(Q_GETQUOTA, q_type), device, id, (caddr_t)dq)) {
ret = errno;
log_printf(stderr, "Get quota failed,quotactl:%d:%s\n",
ret, strerror(ret));
} else
ret = 0;
return ret;
}
static int verify_quota_items(const struct if_dqblk s_dq, const struct if_dqblk d_dq,
int limit_type)
{
int ret = 1;
if (limit_type & ISOFT_LIMIT) {
if (s_dq.dqb_isoftlimit != d_dq.dqb_isoftlimit) {
log_printf(stderr, "Quota inconsistent match found,"
"expected isoftlimit = %d,actual isoftlimit = %d\n",
s_dq.dqb_isoftlimit, d_dq.dqb_isoftlimit);
ret = 0;
goto bail;
}
}
if (limit_type & IHARD_LIMIT) {
if (s_dq.dqb_ihardlimit != d_dq.dqb_ihardlimit) {
log_printf(stderr, "Quota inconsistent match found,"
"expected ihardlimit = %d,actual ihardlimit = %d\n",
s_dq.dqb_ihardlimit, d_dq.dqb_ihardlimit);
ret = 0;
goto bail;
}
}
if (limit_type & BSOFT_LIMIT) {
if (s_dq.dqb_bsoftlimit != d_dq.dqb_bsoftlimit) {
log_printf(stderr, "Quota inconsistent match found,"
"expected bsoftlimit = %d,actual bsoftlimit = %d\n",
s_dq.dqb_bsoftlimit, d_dq.dqb_bsoftlimit);
ret = 0;
goto bail;
}
}
if (limit_type & BHARD_LIMIT) {
if (s_dq.dqb_bhardlimit != d_dq.dqb_bhardlimit) {
log_printf(stderr, "Quota inconsistent match found,"
"expected bhardlimit = %d,actual bhardlimit = %d\n",
s_dq.dqb_bhardlimit, d_dq.dqb_bhardlimit);
ret = 0;
goto bail;
}
}
bail:
return ret;
}
static unsigned long get_rand(unsigned long min, unsigned long max)
{
if (min == 0 && max == 0)
return 0;
return min + (rand() % (max - min + 1));
}
static void negative_inodes_limit_test(long isoftlimit, long bsoftlimit,
long user_postfix, long rm_nums)
{
int ret, fd, o_uid, j;
long i, file_index, rm_counts = 0;
struct if_dqblk s_dq, d_dq;
char username[USERNAME_SZ];
int *inodes_removed = NULL;
MPI_Request request;
MPI_Status status;
if (!rank) {
inodes_removed = (int *)malloc(sizeof(int) * isoftlimit * 2);
memset((void *)inodes_removed, 0, sizeof(int) * isoftlimit *2);
snprintf(username, USERNAME_SZ, "quota-user-rank%d-%ld", rank,
user_postfix);
add_rm_user_group(USERADD_BIN, ADD, USER, username, NULL);
getquota(QUOTAUSER, device, name2id(USER, username), &s_dq);
s_dq.dqb_isoftlimit = isoftlimit;
s_dq.dqb_ihardlimit = isoftlimit * 2;
s_dq.dqb_bsoftlimit = bsoftlimit;
s_dq.dqb_bhardlimit = bsoftlimit * 2;
s_dq.dqb_curinodes = 0;
s_dq.dqb_curspace = 0;
setquota(QUOTAUSER, device, name2id(USER, username), s_dq);
} else
snprintf(username, USERNAME_SZ, "quota-user-rank0-%ld",
user_postfix);
/*
* Rank0 creats the files,while other ranks take race to remove.
* Thus,the quota number should go negative.
*/
if (!rank) {
o_uid = getuid();
seteuid(name2id(USER, username));
for (i = 0; i < isoftlimit * 2; i++) {
snprintf(filename, PATH_SZ, "%s/%s-quotafile-%ld",
workplace, username, i);
fd = open(filename, O_RDWR | O_CREAT | O_TRUNC, FILE_MODE);
if (fd < 0) {
ret = errno;
abort_printf("Open file failed:%d:%s\n", ret, strerror(ret));
}
close(fd);
}
seteuid(o_uid);
rm_counts = 0;
for (j = 1; j < size; j++) {
for (i = 0; i < rm_nums; i++) {
ret = MPI_Irecv(&file_index, sizeof(long),
MPI_BYTE, j, 1, MPI_COMM_WORLD,
&request);
if (ret == MPI_SUCCESS) {
rm_counts++;
inodes_removed[file_index] = 1;
}
else
abort_printf("MPI_Irecv Failed.\n");
MPI_Wait(&request, &status);
}
}
getquota(QUOTAUSER, device, name2id(USER, username), &d_dq);
if (d_dq.dqb_curinodes != isoftlimit * 2 - rm_counts)
abort_printf("Negative inodes test failed among nodes,"
"Incorrect quota stats found,expected "
"inodes_num = %ld, queried inodes_num = "
"%ld.\n", isoftlimit * 2 - rm_counts,
d_dq.dqb_curinodes);
} else {
/*
* Other nodes perform a random deletion as root user
*/
rm_counts = 0;
while (rm_counts < rm_nums) {
i = get_rand(0, isoftlimit * 2 - 1);
snprintf(filename, PATH_SZ, "%s/%s-quotafile-%ld",
workplace, username, i);
ret = unlink(filename);
if (ret < 0)
continue;
else {
ret = MPI_Isend(&i, sizeof(long), MPI_BYTE,
0, 1, MPI_COMM_WORLD, &request);
if (ret != MPI_SUCCESS)
abort_printf("MPI_Isend Failed.\n");
MPI_Wait(&request, &status);
rm_counts++;
}
}
}
MPI_Barrier_Sync();
/* Cleanup */
if (!rank) {
file_index = 0;
while (file_index < isoftlimit * 2) {
if (!inodes_removed[file_index]) {
snprintf(filename, PATH_SZ, "%s/%s-quotafile-%ld",
workplace, username, file_index);
ret = unlink(filename);
}
file_index++;
}
snprintf(filename, PATH_SZ, "%s/%s-quotafile-%d", workplace, username, 0);
ret = access(filename, F_OK);
if (ret == 0)
unlink(filename);
add_rm_user_group(USERDEL_BIN, REMOVE, USER, username, NULL);
}
}
static void user_inodes_grace_time_test(long isoftlimit, long bsoftlimit,
long grace_seconds, long user_postfix)
{
int ret, fd, o_uid;
long i;
struct if_dqblk s_dq, d_dq;
struct if_dqinfo s_dqi;
char username[USERNAME_SZ];
snprintf(username, USERNAME_SZ, "quota-user-rank%d-%ld", rank,
user_postfix);
add_rm_user_group(USERADD_BIN, ADD, USER, username, NULL);
getquota(QUOTAUSER, device, name2id(USER, username), &s_dq);
s_dq.dqb_isoftlimit = isoftlimit;
s_dq.dqb_ihardlimit = isoftlimit * 2;
s_dq.dqb_bsoftlimit = bsoftlimit;
s_dq.dqb_bhardlimit = bsoftlimit * 2;
s_dq.dqb_curinodes = 0;
s_dq.dqb_curspace = 0;
setquota(QUOTAUSER, device, name2id(USER, username), s_dq);
getquotainfo(QUOTAUSER, device, name2id(USER, username), &s_dqi);
s_dqi.dqi_bgrace = 60000;
s_dqi.dqi_igrace = grace_seconds;
setquotainfo(QUOTAUSER, device, name2id(USER, username), s_dqi);
o_uid = getuid();
seteuid(name2id(USER, username));
for (i = 0; i <= isoftlimit ; i++) {
snprintf(filename, PATH_SZ, "%s/%s-%s-quotafile-%ld",
workplace, hostname, username, i);
fd = open(filename, O_RDWR | O_CREAT | O_TRUNC, FILE_MODE);
if (fd < 0) {
ret = errno;
abort_printf("Open file failed:%d:%s\n", ret, strerror(ret));
}
close(fd);
getquota(QUOTAUSER, device, name2id(USER, username), &d_dq);
if (d_dq.dqb_curinodes != i + 1)
abort_printf("Incorrect quota stats found,expected "
"inode_num = %d,queried inode_num = %d.\n",
i + 1, d_dq.dqb_curinodes);
}
/*Grace time take effect from now*/
sleep(grace_seconds);
/*grace time expires,so should hit failure here*/
snprintf(filename, PATH_SZ, "%s/%s-%s-quotafile-%ld",
workplace, hostname, username, isoftlimit + 1);
if ((fd = open(filename, O_RDWR | O_CREAT | O_TRUNC, FILE_MODE)) > 0) {
close(fd);
abort_printf("Not allowd to exceed the grace time limit of inodes.\n");
}
/*cleanup*/
seteuid(o_uid);
for (i = 0; i <= isoftlimit; i++) {
snprintf(filename, PATH_SZ, "%s/%s-%s-quotafile-%ld",
workplace, hostname, username, i);
ret = unlink(filename);
if (ret < 0) {
ret =errno;
abort_printf("Failed to unlink file(%s):%d:%s\n",
filename, ret, strerror(ret));
}
}
add_rm_user_group(USERDEL_BIN, REMOVE, USER, username, NULL);
}
static void user_space_limit_test(long isoftlimit, long bsoftlimit, int user_postfix)
{
int ret, fd;
int o_uid;
struct if_dqblk s_dq;
char *write_buf;
int writen_sz = 0;
long file_sz = 0;
char username[USERNAME_SZ];
write_buf = (char *)malloc(clustersize);
memset(write_buf, 0, clustersize);
snprintf(username, USERNAME_SZ, "quotauser-rank%d-%d", rank,
user_postfix);
add_rm_user_group(USERADD_BIN, ADD, USER, username, NULL);
getquota(QUOTAUSER, device, name2id(USER, username), &s_dq);
s_dq.dqb_isoftlimit = isoftlimit;
s_dq.dqb_ihardlimit = isoftlimit * 2;
s_dq.dqb_bsoftlimit = bsoftlimit;
s_dq.dqb_bhardlimit = bsoftlimit * 2;
s_dq.dqb_curinodes = 0;
s_dq.dqb_curspace = 0;
setquota(QUOTAUSER, device, name2id(USER, username), s_dq);
o_uid = getuid();
ret = seteuid(name2id(USER, username));
if (ret < 0) {
ret = errno;
abort_printf("Set euid failed:%d:%s.\n", ret, strerror(ret));
}
snprintf(filename, PATH_SZ, "%s/%s-%s-quotafile-user-spacelimit", workplace,
hostname, username);
fd = open(filename, O_RDWR | O_CREAT | O_TRUNC | O_APPEND, FILE_MODE);
while (file_sz + clustersize <= bsoftlimit * 2 * 1024) {
writen_sz = write(fd, write_buf, clustersize);
if (writen_sz < 0) {
ret = errno;
abort_printf("write failed:%d:%s.\n", ret, strerror(ret));
}
file_sz += writen_sz;
}
if ((ret = write(fd, write_buf, clustersize)) > 0)
abort_printf("No allowed to exceed the hard limit of space");
if (fd)
close(fd);
ret = unlink(filename);
if (ret < 0) {
ret =errno;
abort_printf("Failed to unlink file(%s):%d:%s\n",
filename, ret, strerror(ret));
}
sync();
seteuid(o_uid);
add_rm_user_group(USERDEL_BIN, REMOVE, USER, username, NULL);
if (write_buf)
free(write_buf);
}
static void user_inodes_limit_test(long isoftlimit, long bsoftlimit, int user_postfix)
{
int ret;
long i;
int fd;
int o_uid;
struct if_dqblk s_dq, d_dq;
char username[USERNAME_SZ];
snprintf(username, USERNAME_SZ, "quotauser-rank%d-%d", rank,
user_postfix);
add_rm_user_group(USERADD_BIN, ADD, USER, username, NULL);
getquota(QUOTAUSER, device, name2id(USER, username), &s_dq);
s_dq.dqb_isoftlimit = isoftlimit;
s_dq.dqb_ihardlimit = isoftlimit * 2;
s_dq.dqb_bsoftlimit = bsoftlimit;
s_dq.dqb_bhardlimit = bsoftlimit * 2;
s_dq.dqb_curinodes = 0;
s_dq.dqb_curspace = 0;
setquota(QUOTAUSER, device, name2id(USER, username), s_dq);
o_uid = getuid();
ret = seteuid(name2id(USER, username));
if (ret < 0) {
ret = errno;
abort_printf("Set euid failed:%d:%s.\n", ret, strerror(ret));
}
for (i = 0; i < isoftlimit * 2; i++) {
snprintf(filename, PATH_SZ, "%s/%s-%s-quotafile-%ld",
workplace, hostname, username, i);
if (!(i % 2)) {
fd = open(filename, O_RDWR | O_CREAT | O_TRUNC, FILE_MODE);
if (fd < 0) {
ret = errno;
abort_printf("Open file failed:%d:%s\n", ret, strerror(ret));
}
close(fd);
} else
mkdir(filename, FILE_MODE);
getquota(QUOTAUSER, device, name2id(USER, username), &d_dq);
if (d_dq.dqb_curinodes != i + 1)
abort_printf("Incorrect quota stats found,expected "
"inode_num = %ld,queried inode_num = %d.\n",
i + 1, d_dq.dqb_curinodes);
}
/*We definitely should hit falure here*/
snprintf(filename, PATH_SZ, "%s/%s-%s-quotafile-%ld",
workplace, hostname, username, isoftlimit * 2);
if ((fd = open(filename, O_RDWR | O_CREAT | O_TRUNC, FILE_MODE)) > 0) {
close(fd);
abort_printf("Not allowd to exceed the hard limit of inodes.\n");
}
/*cleanup*/
seteuid(o_uid);
for (i = 0; i < isoftlimit * 2; i++) {
snprintf(filename, PATH_SZ, "%s/%s-%s-quotafile-%ld",
workplace, hostname, username, i);
if (!(i % 2)) {
ret = unlink(filename);
if (ret < 0) {
ret =errno;
abort_printf("Failed to unlink file(%s):%d:%s\n",
filename, ret, strerror(ret));
}
} else {
ret = rmdir(filename);
if (ret < 0) {
ret = errno;
abort_printf("Failed to remove dir(%s):%d:%s.\n",
filename, ret, strerror(ret));
}
}
}
add_rm_user_group(USERDEL_BIN, REMOVE, USER, username, NULL);
}
static void group_space_limit_test(long isoftlimit, long bsoftlimit,
long user_num, int grp_postfix)
{
int ret = 0, fd;
long i;
int o_uid, o_gid;
struct if_dqblk s_dq;
char username[USERNAME_SZ], groupname[GROUPNAME_SZ];
char *write_buf;
int writen_sz, user_index;
long file_sz = 0, count = 0;
write_buf = (char *)malloc(clustersize);
memset(write_buf, 0, clustersize);
snprintf(groupname, GROUPNAME_SZ, "quotagroup-rank%d-%d", rank,
grp_postfix);
add_rm_user_group(GROUPADD_BIN, ADD, GROUP, groupname, NULL);
getquota(QUOTAGROUP, device, name2id(GROUP, groupname), &s_dq);
s_dq.dqb_isoftlimit = isoftlimit;
s_dq.dqb_ihardlimit = isoftlimit * 2;
s_dq.dqb_bsoftlimit = bsoftlimit;
s_dq.dqb_bhardlimit = bsoftlimit * 2;
s_dq.dqb_curinodes = 0;
s_dq.dqb_curspace = 0;
setquota(QUOTAGROUP, device, name2id(GROUP, groupname), s_dq);
o_gid = getgid();
setegid(name2id(GROUP, groupname));
for (i = 0; i < user_num; i++) {
snprintf(username, USERNAME_SZ, "%s-quotauser-%ld", groupname, i);
add_rm_user_group(USERADD_BIN, ADD, USER_IN_GROUP, username,
groupname);
getquota(QUOTAUSER, device, name2id(USER, username), &s_dq);
s_dq.dqb_isoftlimit = isoftlimit;
s_dq.dqb_ihardlimit = isoftlimit * 2;
s_dq.dqb_bsoftlimit = bsoftlimit;
s_dq.dqb_bhardlimit = bsoftlimit * 2;
s_dq.dqb_curinodes = 0;
s_dq.dqb_curspace = 0;
setquota(QUOTAUSER, device, name2id(USER, username), s_dq);
o_uid = getuid();
seteuid(name2id(USER, username));
snprintf(filename, PATH_SZ, "%s/%s-%s-quotafile-group-spacelimit",
workplace, hostname, username);
fd = open(filename, O_RDWR | O_CREAT | O_TRUNC, FILE_MODE);
if (fd < 0)
abort_printf("Create file failed:%d:%s.\n", ret, strerror(ret));
close(fd);
seteuid(o_uid);
}
while (file_sz + clustersize <= bsoftlimit * 2 * 1024) {
user_index = count % user_num;
snprintf(username, USERNAME_SZ, "%s-quotauser-%d", groupname, user_index);
snprintf(filename, PATH_SZ, "%s/%s-%s-quotafile-group-spacelimit",
workplace, hostname, username);
o_uid = getuid();
seteuid(name2id(USER, username));
fd = open(filename, O_RDWR | O_APPEND, FILE_MODE);
writen_sz = write(fd, write_buf, clustersize);
if (writen_sz < 0) {
ret = errno;
abort_printf("write failed:%d:%s.\n", ret, strerror(ret));
}
close(fd);
seteuid(o_uid);
file_sz += writen_sz;
count++;
}
user_index = count % user_num;
snprintf(username, USERNAME_SZ, "%s-quotauser-%d", groupname, user_index);
snprintf(filename, PATH_SZ, "%s/%s-%s-quotafile-group-spacelimit",
workplace, hostname, username);
o_uid = getuid();
seteuid(name2id(USER, username));
fd = open(filename, O_RDWR | O_APPEND, FILE_MODE);
if ((writen_sz = write(fd, write_buf, clustersize)) > 0)
abort_printf("Not allowed to exceed space hard limit of group.");
close(fd);
seteuid(o_uid);
setegid(o_gid);
for (i = 0; i < user_num; i++) {
snprintf(username, USERNAME_SZ, "%s-quotauser-%ld", groupname, i);
snprintf(filename, PATH_SZ, "%s/%s-%s-quotafile-group-spacelimit",
workplace, hostname, username);
ret = unlink(filename);
if (ret < 0) {
ret = errno;
abort_printf("Failed to unlink file %s:%d:%s.\n",
filename, ret, strerror(ret));
}
add_rm_user_group(USERDEL_BIN, REMOVE, USER, username, NULL);
}
sync();
add_rm_user_group(GROUPDEL_BIN, REMOVE, GROUP, groupname, NULL);
if (write_buf)
free(write_buf);
}
static void group_inodes_limit_test(long isoftlimit, long bsoftlimit,
long user_num, int grp_postfix)
{
int ret, fd;
long i;
int o_uid, o_gid;
int user_index;
struct if_dqblk s_dq, d_dq;
char username[USERNAME_SZ], groupname[GROUPNAME_SZ];
snprintf(groupname, GROUPNAME_SZ, "quotagroup-rank%d-%d", rank,
grp_postfix);
add_rm_user_group(GROUPADD_BIN, ADD, GROUP, groupname, NULL);