1 /* 2 * Copyright (c) 2014-2016 Dmitry V. Levin <ldv (at) altlinux.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 #include "defs.h" 29 #include "statfs.h" 30 #include "xlat/fsmagic.h" 31 #include "xlat/statfs_flags.h" 32 33 static void 34 print_statfs_type(const char *const prefix, const unsigned long long magic) 35 { 36 tprints(prefix); 37 printxval_search(fsmagic, magic, NULL); 38 } 39 40 #if defined HAVE_STRUCT_STATFS_F_FLAGS || defined HAVE_STRUCT_STATFS64_F_FLAGS 41 static void 42 print_statfs_flags(const char *const prefix, const unsigned long long flags) 43 { 44 if (flags & ST_VALID) { 45 tprints(prefix); 46 printflags64(statfs_flags, flags, "ST_???"); 47 } 48 } 49 #endif /* HAVE_STRUCT_STATFS_F_FLAGS || HAVE_STRUCT_STATFS64_F_FLAGS */ 50 51 static void 52 print_statfs_number(const char *const prefix, const unsigned long long number) 53 { 54 tprints(prefix); 55 tprintf("%llu", number); 56 } 57 58 void 59 print_struct_statfs(struct tcb *const tcp, const kernel_ulong_t addr) 60 { 61 #ifdef HAVE_STRUCT_STATFS 62 struct strace_statfs b; 63 64 if (!fetch_struct_statfs(tcp, addr, &b)) 65 return; 66 67 print_statfs_type("{f_type=", b.f_type); 68 print_statfs_number(", f_bsize=", b.f_bsize); 69 print_statfs_number(", f_blocks=", b.f_blocks); 70 print_statfs_number(", f_bfree=", b.f_bfree); 71 print_statfs_number(", f_bavail=", b.f_bavail); 72 print_statfs_number(", f_files=", b.f_files); 73 print_statfs_number(", f_ffree=", b.f_ffree); 74 # if defined HAVE_STRUCT_STATFS_F_FSID_VAL \ 75 || defined HAVE_STRUCT_STATFS_F_FSID___VAL 76 print_statfs_number(", f_fsid={val=[", b.f_fsid[0]); 77 print_statfs_number(", ", b.f_fsid[1]); 78 tprints("]}"); 79 # endif 80 print_statfs_number(", f_namelen=", b.f_namelen); 81 # ifdef HAVE_STRUCT_STATFS_F_FRSIZE 82 print_statfs_number(", f_frsize=", b.f_frsize); 83 # endif 84 # ifdef HAVE_STRUCT_STATFS_F_FLAGS 85 print_statfs_flags(", f_flags=", b.f_flags); 86 # endif 87 tprints("}"); 88 #else 89 printaddr(addr); 90 #endif 91 } 92 93 void 94 print_struct_statfs64(struct tcb *const tcp, const kernel_ulong_t addr, 95 const kernel_ulong_t size) 96 { 97 #ifdef HAVE_STRUCT_STATFS64 98 struct strace_statfs b; 99 100 if (!fetch_struct_statfs64(tcp, addr, size, &b)) 101 return; 102 103 print_statfs_type("{f_type=", b.f_type); 104 print_statfs_number(", f_bsize=", b.f_bsize); 105 print_statfs_number(", f_blocks=", b.f_blocks); 106 print_statfs_number(", f_bfree=", b.f_bfree); 107 print_statfs_number(", f_bavail=", b.f_bavail); 108 print_statfs_number(", f_files=", b.f_files); 109 print_statfs_number(", f_ffree=", b.f_ffree); 110 # if defined HAVE_STRUCT_STATFS64_F_FSID_VAL \ 111 || defined HAVE_STRUCT_STATFS64_F_FSID___VAL 112 print_statfs_number(", f_fsid={val=[", b.f_fsid[0]); 113 print_statfs_number(", ", b.f_fsid[1]); 114 tprints("]}"); 115 # endif 116 print_statfs_number(", f_namelen=", b.f_namelen); 117 # ifdef HAVE_STRUCT_STATFS64_F_FRSIZE 118 print_statfs_number(", f_frsize=", b.f_frsize); 119 # endif 120 # ifdef HAVE_STRUCT_STATFS64_F_FLAGS 121 print_statfs_flags(", f_flags=", b.f_flags); 122 # endif 123 tprints("}"); 124 #else 125 printaddr(addr); 126 #endif 127 } 128
