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      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 
     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