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 * Copyright (c) 2016-2017 The strace developers. 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. The name of the author may not be used to endorse or promote products 18 * derived from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #ifndef STRACE_TESTS_QUOTACTL_H 33 #define STRACE_TESTS_QUOTACTL_H 34 35 # include <inttypes.h> 36 # include <stdarg.h> 37 # include <stdio.h> 38 # include "print_fields.h" 39 40 # ifdef HAVE_LINUX_QUOTA_H 41 /* Broken in CentOS 5: has extern spinlock_t dq_data_lock; declaration */ 42 # include <linux/quota.h> 43 # else 44 # include <linux/types.h> 45 /* Broken in some new glibc versions: have Q_GETNEXTQUOTA definition but no 46 * struct nextdqblk defined. Fixed in glibc-2.24-106-g4d72808. */ 47 # include <sys/quota.h> 48 # endif 49 50 # ifndef QCMD_CMD 51 # define QCMD_CMD(_val) ((unsigned) (_val) >> SUBCMDSHIFT) 52 # endif /* !QCMD_CMD */ 53 54 # ifndef QCMD_TYPE 55 # define QCMD_TYPE(_val) ((unsigned) (_val) & SUBCMDMASK) 56 # endif /* !QCMD_TYPE */ 57 58 # ifndef PRJQUOTA 59 # define PRJQUOTA 2 60 # endif 61 62 typedef void (*print_cb)(long rc, void *addr, void *arg); 63 64 enum check_quotactl_flag_bits { 65 CQF_ID_SKIP_BIT, 66 CQF_ID_STR_BIT, 67 CQF_ADDR_SKIP_BIT, 68 CQF_ADDR_STR_BIT, 69 CQF_ADDR_CB_BIT, 70 }; 71 72 enum check_quotactl_flags { 73 CQF_NONE, 74 CQF_ID_SKIP = 1 << CQF_ID_SKIP_BIT, 75 CQF_ID_STR = 1 << CQF_ID_STR_BIT, 76 CQF_ADDR_SKIP = 1 << CQF_ADDR_SKIP_BIT, 77 CQF_ADDR_STR = 1 << CQF_ADDR_STR_BIT, 78 CQF_ADDR_CB = 1 << CQF_ADDR_CB_BIT, 79 }; 80 81 82 static inline void 83 check_quota(uint32_t flags, int cmd, const char *cmd_str, 84 const char *special, const char *special_str, ...) 85 { 86 long rc; 87 const char *addr_str = NULL; 88 const char *id_str = NULL; 89 void *addr = NULL; 90 print_cb addr_cb = NULL; 91 void *addr_cb_arg = NULL; 92 uint32_t id = -1; 93 94 va_list ap; 95 96 va_start(ap, special_str); 97 98 if (!(flags & CQF_ID_SKIP)) { 99 id = va_arg(ap, uint32_t); 100 101 if (flags & CQF_ID_STR) 102 id_str = va_arg(ap, const char *); 103 } 104 105 if (!(flags & CQF_ADDR_SKIP)) { 106 addr = va_arg(ap, void *); 107 108 if (flags & CQF_ADDR_CB) { 109 addr_cb = va_arg(ap, print_cb); 110 addr_cb_arg = va_arg(ap, void *); 111 } else if (flags & CQF_ADDR_STR) { 112 addr_str = va_arg(ap, const char *); 113 } 114 } 115 116 va_end(ap); 117 118 rc = syscall(__NR_quotactl, cmd, special, id, addr); 119 printf("quotactl(%s, %s", cmd_str, special_str); 120 121 if (!(flags & CQF_ID_SKIP)) { 122 if (flags & CQF_ID_STR) { 123 printf(", %s", id_str); 124 } else { 125 if (id == (uint32_t)-1) 126 printf(", -1"); 127 else 128 printf(", %u", id); 129 } 130 } 131 132 if (!(flags & CQF_ADDR_SKIP)) { 133 if (flags & CQF_ADDR_CB) { 134 printf(", "); 135 addr_cb(rc, addr, addr_cb_arg); 136 } else if (flags & CQF_ADDR_STR) { 137 printf(", %s", addr_str); 138 } else { 139 printf(", %p", addr); 140 } 141 } 142 143 printf(") = %s\n", sprintrc(rc)); 144 } 145 146 147 static const int bogus_cmd = 0xbadc0ded; 148 static const int bogus_id = 0xca7faced; 149 150 /* It is invalid anyway due to the slash in the end */ 151 static const char *bogus_dev = "/dev/bogus/"; 152 static const char *bogus_dev_str = "\"/dev/bogus/\""; 153 154 static const char unterminated_data[] = { '\1', '\2', '\3' }; 155 156 #endif /* !STRACE_TESTS_QUOTACTL_H */ 157
