1 /*
2  * Copyright (c) 2014-2016 Dmitry V. Levin <ldv@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
print_statfs_type(const char * const prefix,const unsigned long long magic)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
print_statfs_flags(const char * const prefix,const unsigned long long flags)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
print_statfs_number(const char * const prefix,const unsigned long long number)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
print_struct_statfs(struct tcb * const tcp,const kernel_ulong_t addr)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
print_struct_statfs64(struct tcb * const tcp,const kernel_ulong_t addr,const kernel_ulong_t size)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