1 /*
2  * Copyright (c) 2017 The strace developers.
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 "print_fields.h"
30 #include "statx.h"
31 
32 #include <sys/stat.h>
33 
34 #include "xlat/statx_masks.h"
35 #include "xlat/statx_attrs.h"
36 #include "xlat/at_statx_sync_types.h"
37 
SYS_FUNC(statx)38 SYS_FUNC(statx)
39 {
40 	if (entering(tcp)) {
41 		print_dirfd(tcp, tcp->u_arg[0]);
42 		printpath(tcp, tcp->u_arg[1]);
43 		tprints(", ");
44 
45 		unsigned int flags = tcp->u_arg[2];
46 		printflags(at_statx_sync_types, flags & AT_STATX_SYNC_TYPE,
47 			   NULL);
48 		flags &= ~AT_STATX_SYNC_TYPE;
49 		if (flags) {
50 			tprints("|");
51 			printflags(at_flags, flags, NULL);
52 		}
53 
54 		tprints(", ");
55 		printflags(statx_masks, tcp->u_arg[3], "STATX_???");
56 		tprints(", ");
57 	} else {
58 #define PRINT_FIELD_TIME(field)						\
59 	do {								\
60 		tprintf(", " #field "={tv_sec=%" PRId64			\
61 			", tv_nsec=%" PRIu32 "}",			\
62 			stx.field.sec, stx.field.nsec);			\
63 		tprints_comment(sprinttime_nsec(stx.field.sec,		\
64 			zero_extend_signed_to_ull(stx.field.nsec)));	\
65 	} while (0)
66 
67 		struct_statx stx;
68 		if (umove_or_printaddr(tcp, tcp->u_arg[4], &stx))
69 			return 0;
70 
71 		tprints("{stx_mask=");
72 		printflags(statx_masks, stx.stx_mask, "STATX_???");
73 
74 		if (!abbrev(tcp))
75 			PRINT_FIELD_U(", ", stx, stx_blksize);
76 
77 		tprints(", stx_attributes=");
78 		printflags(statx_attrs, stx.stx_attributes, "STATX_ATTR_???");
79 
80 		if (!abbrev(tcp)) {
81 			PRINT_FIELD_U(", ", stx, stx_nlink);
82 			printuid(", stx_uid=", stx.stx_uid);
83 			printuid(", stx_gid=", stx.stx_gid);
84 		}
85 
86 		tprints(", stx_mode=");
87 		print_symbolic_mode_t(stx.stx_mode);
88 
89 		if (!abbrev(tcp))
90 			PRINT_FIELD_U(", ", stx, stx_ino);
91 
92 		PRINT_FIELD_U(", ", stx, stx_size);
93 
94 		if (!abbrev(tcp)) {
95 			PRINT_FIELD_U(", ", stx, stx_blocks);
96 
97 			tprints(", stx_attributes_mask=");
98 			printflags(statx_attrs, stx.stx_attributes_mask,
99 				   "STATX_ATTR_???");
100 
101 			PRINT_FIELD_TIME(stx_atime);
102 			PRINT_FIELD_TIME(stx_btime);
103 			PRINT_FIELD_TIME(stx_ctime);
104 			PRINT_FIELD_TIME(stx_mtime);
105 			PRINT_FIELD_U(", ", stx, stx_rdev_major);
106 			PRINT_FIELD_U(", ", stx, stx_rdev_minor);
107 			PRINT_FIELD_U(", ", stx, stx_dev_major);
108 			PRINT_FIELD_U(", ", stx, stx_dev_minor);
109 		} else {
110 			tprints(", ...");
111 		}
112 		tprints("}");
113 	}
114 	return 0;
115 }
116