1 /* 2 * Common definitions for Linux and XFS quota tests. 3 * 4 * Copyright (c) 2016 Eugene Syromyatnikov <evgsyr (at) gmail.com> 5 * Copyright (c) 2016 Dmitry V. Levin <ldv (at) altlinux.org> 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. The name of the author may not be used to endorse or promote products 17 * derived from this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #ifndef STRACE_TESTS_QUOTACTL_H 32 #define STRACE_TESTS_QUOTACTL_H 33 34 # include <inttypes.h> 35 # include <stdarg.h> 36 # include <stdio.h> 37 # include "print_fields.h" 38 39 # ifdef HAVE_LINUX_QUOTA_H 40 /* Broken in CentOS 5: has extern spinlock_t dq_data_lock; declaration */ 41 # include <linux/quota.h> 42 # else 43 # include <linux/types.h> 44 /* Broken in some new glibc versions: have Q_GETNEXTQUOTA definition but no 45 * struct nextdqblk defined. Fixed in glibc-2.24-106-g4d72808. */ 46 # include <sys/quota.h> 47 # endif 48 49 # ifndef QCMD_CMD 50 # define QCMD_CMD(_val) ((unsigned) (_val) >> SUBCMDSHIFT) 51 # endif /* !QCMD_CMD */ 52 53 # ifndef QCMD_TYPE 54 # define QCMD_TYPE(_val) ((unsigned) (_val) & SUBCMDMASK) 55 # endif /* !QCMD_TYPE */ 56 57 # ifndef PRJQUOTA 58 # define PRJQUOTA 2 59 # endif 60 61 typedef void (*print_cb)(long rc, void *addr, void *arg); 62 63 enum check_quotactl_flag_bits { 64 CQF_ID_SKIP_BIT, 65 CQF_ID_STR_BIT, 66 CQF_ADDR_SKIP_BIT, 67 CQF_ADDR_STR_BIT, 68 CQF_ADDR_CB_BIT, 69 }; 70 71 enum check_quotactl_flags { 72 CQF_NONE, 73 CQF_ID_SKIP = 1 << CQF_ID_SKIP_BIT, 74 CQF_ID_STR = 1 << CQF_ID_STR_BIT, 75 CQF_ADDR_SKIP = 1 << CQF_ADDR_SKIP_BIT, 76 CQF_ADDR_STR = 1 << CQF_ADDR_STR_BIT, 77 CQF_ADDR_CB = 1 << CQF_ADDR_CB_BIT, 78 }; 79 80 81 static inline void 82 check_quota(uint32_t flags, int cmd, const char *cmd_str, 83 const char *special, const char *special_str, ...) 84 { 85 long rc; 86 const char *addr_str = NULL; 87 const char *id_str = NULL; 88 void *addr = NULL; 89 print_cb addr_cb = NULL; 90 void *addr_cb_arg = NULL; 91 uint32_t id = -1; 92 93 va_list ap; 94 95 va_start(ap, special_str); 96 97 if (!(flags & CQF_ID_SKIP)) { 98 id = va_arg(ap, uint32_t); 99 100 if (flags & CQF_ID_STR) 101 id_str = va_arg(ap, const char *); 102 } 103 104 if (!(flags & CQF_ADDR_SKIP)) { 105 addr = va_arg(ap, void *); 106 107 if (flags & CQF_ADDR_CB) { 108 addr_cb = va_arg(ap, print_cb); 109 addr_cb_arg = va_arg(ap, void *); 110 } else if (flags & CQF_ADDR_STR) { 111 addr_str = va_arg(ap, const char *); 112 } 113 } 114 115 va_end(ap); 116 117 rc = syscall(__NR_quotactl, cmd, special, id, addr); 118 printf("quotactl(%s, %s", cmd_str, special_str); 119 120 if (!(flags & CQF_ID_SKIP)) { 121 if (flags & CQF_ID_STR) { 122 printf(", %s", id_str); 123 } else { 124 if (id == (uint32_t)-1) 125 printf(", -1"); 126 else 127 printf(", %u", id); 128 } 129 } 130 131 if (!(flags & CQF_ADDR_SKIP)) { 132 if (flags & CQF_ADDR_CB) { 133 printf(", "); 134 addr_cb(rc, addr, addr_cb_arg); 135 } else if (flags & CQF_ADDR_STR) { 136 printf(", %s", addr_str); 137 } else { 138 printf(", %p", addr); 139 } 140 } 141 142 printf(") = %s\n", sprintrc(rc)); 143 } 144 145 146 static const int bogus_cmd = 0xbadc0ded; 147 static const int bogus_id = 0xca7faced; 148 149 /* It is invalid anyway due to the slash in the end */ 150 static const char *bogus_dev = "/dev/bogus/"; 151 static const char *bogus_dev_str = "\"/dev/bogus/\""; 152 153 static const char unterminated_data[] = { '\1', '\2', '\3' }; 154 155 #endif /* !STRACE_TESTS_QUOTACTL_H */ 156