1 /*
2 * Copyright (c) 1991, 1992 Paul Kranenburg <pk@cs.few.eur.nl>
3 * Copyright (c) 1993 Branko Lankester <branko@hacktic.nl>
4 * Copyright (c) 1993-1996 Rick Sladkey <jrs@world.std.com>
5 * Copyright (c) 1996-1999 Wichert Akkerman <wichert@cistron.nl>
6 * Copyright (c) 2003 Ulrich Drepper <drepper@redhat.com>
7 * Copyright (c) 2012 Andreas Schwab <schwab@linux-m68k.org>
8 * Copyright (c) 2014-2015 Dmitry V. Levin <ldv@altlinux.org>
9 * All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. The name of the author may not be used to endorse or promote products
20 * derived from this software without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 */
33
34 #include "defs.h"
35 #ifdef HAVE_SYS_VFS_H
36 # include <sys/vfs.h>
37 #endif
38 #include "xlat/fsmagic.h"
39
40 static const char *
sprintfstype(const unsigned int magic)41 sprintfstype(const unsigned int magic)
42 {
43 static char buf[32];
44 const char *s;
45
46 s = xlat_search(fsmagic, ARRAY_SIZE(fsmagic), magic);
47 if (s) {
48 sprintf(buf, "\"%s\"", s);
49 return buf;
50 }
51 sprintf(buf, "%#x", magic);
52 return buf;
53 }
54
55 static void
printstatfs(struct tcb * tcp,const long addr)56 printstatfs(struct tcb *tcp, const long addr)
57 {
58 struct statfs statbuf;
59
60 if (umove_or_printaddr(tcp, addr, &statbuf))
61 return;
62 tprintf("{f_type=%s, f_bsize=%lu, f_blocks=%lu, f_bfree=%lu, ",
63 sprintfstype(statbuf.f_type),
64 (unsigned long)statbuf.f_bsize,
65 (unsigned long)statbuf.f_blocks,
66 (unsigned long)statbuf.f_bfree);
67 tprintf("f_bavail=%lu, f_files=%lu, f_ffree=%lu, f_fsid={%d, %d}",
68 (unsigned long)statbuf.f_bavail,
69 (unsigned long)statbuf.f_files,
70 (unsigned long)statbuf.f_ffree,
71 statbuf.f_fsid.__val[0], statbuf.f_fsid.__val[1]);
72 tprintf(", f_namelen=%lu", (unsigned long)statbuf.f_namelen);
73 #ifdef _STATFS_F_FRSIZE
74 tprintf(", f_frsize=%lu", (unsigned long)statbuf.f_frsize);
75 #endif
76 #ifdef _STATFS_F_FLAGS
77 tprintf(", f_flags=%lu", (unsigned long)statbuf.f_flags);
78 #endif
79 tprints("}");
80 }
81
SYS_FUNC(statfs)82 SYS_FUNC(statfs)
83 {
84 if (entering(tcp)) {
85 printpath(tcp, tcp->u_arg[0]);
86 tprints(", ");
87 } else {
88 printstatfs(tcp, tcp->u_arg[1]);
89 }
90 return 0;
91 }
92
SYS_FUNC(fstatfs)93 SYS_FUNC(fstatfs)
94 {
95 if (entering(tcp)) {
96 printfd(tcp, tcp->u_arg[0]);
97 tprints(", ");
98 } else {
99 printstatfs(tcp, tcp->u_arg[1]);
100 }
101 return 0;
102 }
103
104 #ifdef HAVE_STRUCT_STATFS64
105 static void
printstatfs64(struct tcb * tcp,long addr)106 printstatfs64(struct tcb *tcp, long addr)
107 {
108 struct statfs64 statbuf;
109
110 if (umove_or_printaddr(tcp, addr, &statbuf))
111 return;
112 tprintf("{f_type=%s, f_bsize=%llu, f_blocks=%llu, f_bfree=%llu, ",
113 sprintfstype(statbuf.f_type),
114 (unsigned long long)statbuf.f_bsize,
115 (unsigned long long)statbuf.f_blocks,
116 (unsigned long long)statbuf.f_bfree);
117 tprintf("f_bavail=%llu, f_files=%llu, f_ffree=%llu, f_fsid={%d, %d}",
118 (unsigned long long)statbuf.f_bavail,
119 (unsigned long long)statbuf.f_files,
120 (unsigned long long)statbuf.f_ffree,
121 statbuf.f_fsid.__val[0], statbuf.f_fsid.__val[1]);
122 tprintf(", f_namelen=%lu", (unsigned long)statbuf.f_namelen);
123 #ifdef _STATFS_F_FRSIZE
124 tprintf(", f_frsize=%llu", (unsigned long long)statbuf.f_frsize);
125 #endif
126 #ifdef _STATFS_F_FLAGS
127 tprintf(", f_flags=%llu", (unsigned long long)statbuf.f_flags);
128 #endif
129 tprints("}");
130 }
131
132 struct compat_statfs64 {
133 uint32_t f_type;
134 uint32_t f_bsize;
135 uint64_t f_blocks;
136 uint64_t f_bfree;
137 uint64_t f_bavail;
138 uint64_t f_files;
139 uint64_t f_ffree;
140 fsid_t f_fsid;
141 uint32_t f_namelen;
142 uint32_t f_frsize;
143 uint32_t f_flags;
144 uint32_t f_spare[4];
145 }
146 #if defined AARCH64 || defined X86_64 || defined X32 || defined IA64
147 ATTRIBUTE_PACKED ATTRIBUTE_ALIGNED(4)
148 #endif
149 ;
150 #if defined AARCH64 || defined ARM
151 /* See arch/arm/kernel/sys_oabi-compat.c for details. */
152 # define COMPAT_STATFS64_PADDED_SIZE (sizeof(struct compat_statfs64) + 4)
153 #endif
154
155 static void
printcompat_statfs64(struct tcb * tcp,const long addr)156 printcompat_statfs64(struct tcb *tcp, const long addr)
157 {
158 struct compat_statfs64 statbuf;
159
160 if (umove_or_printaddr(tcp, addr, &statbuf))
161 return;
162 tprintf("{f_type=%s, f_bsize=%lu, f_blocks=%llu, f_bfree=%llu, ",
163 sprintfstype(statbuf.f_type),
164 (unsigned long)statbuf.f_bsize,
165 (unsigned long long)statbuf.f_blocks,
166 (unsigned long long)statbuf.f_bfree);
167 tprintf("f_bavail=%llu, f_files=%llu, f_ffree=%llu, f_fsid={%d, %d}",
168 (unsigned long long)statbuf.f_bavail,
169 (unsigned long long)statbuf.f_files,
170 (unsigned long long)statbuf.f_ffree,
171 statbuf.f_fsid.__val[0], statbuf.f_fsid.__val[1]);
172 tprintf(", f_namelen=%lu", (unsigned long)statbuf.f_namelen);
173 tprintf(", f_frsize=%lu", (unsigned long)statbuf.f_frsize);
174 tprintf(", f_flags=%lu}", (unsigned long)statbuf.f_frsize);
175 }
176
177 static int
do_statfs64_fstatfs64(struct tcb * tcp)178 do_statfs64_fstatfs64(struct tcb *tcp)
179 {
180 if (entering(tcp)) {
181 tprintf(", %lu, ", tcp->u_arg[1]);
182 } else {
183 if (tcp->u_arg[1] == sizeof(struct statfs64))
184 printstatfs64(tcp, tcp->u_arg[2]);
185 else if (tcp->u_arg[1] == sizeof(struct compat_statfs64)
186 #ifdef COMPAT_STATFS64_PADDED_SIZE
187 || tcp->u_arg[1] == COMPAT_STATFS64_PADDED_SIZE
188 #endif
189 )
190 printcompat_statfs64(tcp, tcp->u_arg[2]);
191 else
192 tprints("{???}");
193 }
194 return 0;
195 }
196
SYS_FUNC(statfs64)197 SYS_FUNC(statfs64)
198 {
199 if (entering(tcp))
200 printpath(tcp, tcp->u_arg[0]);
201 return do_statfs64_fstatfs64(tcp);
202 }
203
SYS_FUNC(fstatfs64)204 SYS_FUNC(fstatfs64)
205 {
206 if (entering(tcp))
207 printfd(tcp, tcp->u_arg[0]);
208 return do_statfs64_fstatfs64(tcp);
209 }
210 #endif /* HAVE_STRUCT_STATFS64 */
211
212 #ifdef ALPHA
SYS_FUNC(osf_statfs)213 SYS_FUNC(osf_statfs)
214 {
215 if (entering(tcp)) {
216 printpath(tcp, tcp->u_arg[0]);
217 tprints(", ");
218 } else {
219 printstatfs(tcp, tcp->u_arg[1]);
220 tprintf(", %lu", tcp->u_arg[2]);
221 }
222 return 0;
223 }
224
SYS_FUNC(osf_fstatfs)225 SYS_FUNC(osf_fstatfs)
226 {
227 if (entering(tcp)) {
228 tprintf("%lu, ", tcp->u_arg[0]);
229 } else {
230 printstatfs(tcp, tcp->u_arg[1]);
231 tprintf(", %lu", tcp->u_arg[2]);
232 }
233 return 0;
234 }
235 #endif /* ALPHA */
236