361 lines
9.7 KiB
C
361 lines
9.7 KiB
C
/*
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* Check decoding of quotactl syscall.
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*
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* Copyright (c) 2016 Eugene Syromyatnikov <evgsyr@gmail.com>
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* Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org>
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* Copyright (c) 2016-2018 The strace developers.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "tests.h"
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#include <asm/unistd.h>
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#if defined(__NR_quotactl) && \
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(defined(HAVE_LINUX_QUOTA_H) || defined(HAVE_SYS_QUOTA_H))
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# include <inttypes.h>
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# include <stdint.h>
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# include <stdio.h>
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# include <string.h>
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# include <unistd.h>
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# include "quotactl.h"
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# ifndef HAVE_LINUX_QUOTA_H
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/* Some dirty hacks in order to make sys/quota.h usable as a backup */
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# define if_dqblk dqblk
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# define if_nextdqblk nextdqblk
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# define if_dqinfo dqinfo
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# endif /* !HAVE_LINUX_QUOTA_H */
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# ifndef Q_GETNEXTQUOTA
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# define Q_GETNEXTQUOTA 0x800009
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struct if_nextdqblk {
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uint64_t dqb_bhardlimit;
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uint64_t dqb_bsoftlimit;
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uint64_t dqb_curspace;
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uint64_t dqb_ihardlimit;
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uint64_t dqb_isoftlimit;
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uint64_t dqb_curinodes;
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uint64_t dqb_btime;
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uint64_t dqb_itime;
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uint32_t dqb_valid;
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uint32_t dqb_id;
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};
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# endif /* !Q_GETNEXTQUOTA */
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# include "xlat.h"
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# include "xlat/quota_formats.h"
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# include "xlat/if_dqblk_valid.h"
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# include "xlat/if_dqinfo_flags.h"
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# include "xlat/if_dqinfo_valid.h"
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void
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print_dqblk(long rc, void *ptr, void *arg)
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{
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struct if_dqblk *db = ptr;
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long out_arg = (long) arg;
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if (((rc < 0) && out_arg) || (out_arg > 1)) {
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printf("%p", db);
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return;
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}
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PRINT_FIELD_U("{", *db, dqb_bhardlimit);
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PRINT_FIELD_U(", ", *db, dqb_bsoftlimit);
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PRINT_FIELD_U(", ", *db, dqb_curspace);
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PRINT_FIELD_U(", ", *db, dqb_ihardlimit);
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PRINT_FIELD_U(", ", *db, dqb_isoftlimit);
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PRINT_FIELD_U(", ", *db, dqb_curinodes);
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# if VERBOSE
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PRINT_FIELD_U(", ", *db, dqb_btime);
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PRINT_FIELD_U(", ", *db, dqb_itime);
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printf(", dqb_valid=");
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printflags(if_dqblk_valid, db->dqb_valid, "QIF_???");
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# else
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printf(", ...");
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# endif /* !VERBOSE */
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printf("}");
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}
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void
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print_nextdqblk(long rc, void *ptr, void *arg)
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{
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struct if_nextdqblk *db = ptr;
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long out_arg = (long) arg;
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if (((rc < 0) && out_arg) || (out_arg > 1)) {
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printf("%p", db);
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return;
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}
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PRINT_FIELD_U("{", *db, dqb_bhardlimit);
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PRINT_FIELD_U(", ", *db, dqb_bsoftlimit);
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PRINT_FIELD_U(", ", *db, dqb_curspace);
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PRINT_FIELD_U(", ", *db, dqb_ihardlimit);
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PRINT_FIELD_U(", ", *db, dqb_isoftlimit);
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PRINT_FIELD_U(", ", *db, dqb_curinodes);
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# if VERBOSE
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PRINT_FIELD_U(", ", *db, dqb_btime);
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PRINT_FIELD_U(", ", *db, dqb_itime);
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printf(", dqb_valid=");
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printflags(if_dqblk_valid, db->dqb_valid, "QIF_???");
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PRINT_FIELD_U(", ", *db, dqb_id);
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# else
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PRINT_FIELD_U(", ", *db, dqb_id);
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printf(", ...");
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# endif /* !VERBOSE */
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printf("}");
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}
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void
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print_dqinfo(long rc, void *ptr, void *arg)
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{
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struct if_dqinfo *di = ptr;
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long out_arg = (long) arg;
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if (((rc < 0) && out_arg) || (out_arg > 1)) {
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printf("%p", di);
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return;
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}
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PRINT_FIELD_U("{", *di, dqi_bgrace);
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PRINT_FIELD_U(", ", *di, dqi_igrace);
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printf(", dqi_flags=");
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printflags(if_dqinfo_flags, di->dqi_flags, "DQF_???");
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printf(", dqi_valid=");
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printflags(if_dqinfo_valid, di->dqi_valid, "IIF_???");
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printf("}");
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}
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void
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print_dqfmt(long rc, void *ptr, void *arg)
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{
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uint32_t *fmtval = ptr;
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long out_arg = (long) arg;
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const char *fmtstr;
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if (((rc < 0) && out_arg) || (out_arg > 1)) {
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printf("%p", fmtval);
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return;
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}
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printf("[");
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switch (*fmtval) {
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case 1:
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fmtstr = "QFMT_VFS_OLD";
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break;
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case 2:
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fmtstr = "QFMT_VFS_V0";
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break;
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case 3:
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fmtstr = "QFMT_OCFS2";
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break;
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case 4:
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fmtstr = "QFMT_VFS_V1";
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break;
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default:
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printf("%#x /* QFMT_VFS_??? */]", *fmtval);
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return;
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}
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printf("%s]", fmtstr);
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}
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int
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main(void)
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{
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char *bogus_special = (char *) tail_alloc(1) + 1;
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void *bogus_addr = (char *) tail_alloc(1) + 1;
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char bogus_special_str[sizeof(void *) * 2 + sizeof("0x")];
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char unterminated_str[sizeof(void *) * 2 + sizeof("0x")];
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static char invalid_cmd_str[1024];
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static char invalid_id_str[1024];
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char *unterminated = tail_memdup(unterminated_data,
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sizeof(unterminated_data));
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TAIL_ALLOC_OBJECT_CONST_PTR(struct if_dqblk, dqblk);
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TAIL_ALLOC_OBJECT_CONST_PTR(struct if_dqinfo, dqinfo);
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TAIL_ALLOC_OBJECT_CONST_PTR(uint32_t, fmt);
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TAIL_ALLOC_OBJECT_CONST_PTR(struct if_nextdqblk, nextdqblk);
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snprintf(bogus_special_str, sizeof(bogus_special_str), "%p",
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bogus_special);
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snprintf(unterminated_str, sizeof(unterminated_str), "%p",
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unterminated);
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/* Invalid commands */
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snprintf(invalid_cmd_str, sizeof(invalid_cmd_str),
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"QCMD(%#x /* Q_??? */, %#x /* ???QUOTA */)",
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QCMD_CMD(bogus_cmd), QCMD_TYPE(bogus_cmd));
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check_quota(CQF_NONE, bogus_cmd, invalid_cmd_str,
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bogus_special, bogus_special_str, bogus_id, bogus_addr);
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snprintf(invalid_cmd_str, sizeof(invalid_cmd_str),
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"QCMD(0 /* Q_??? */, USRQUOTA)");
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check_quota(CQF_ADDR_STR, 0, invalid_cmd_str,
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ARG_STR(NULL), -1, ARG_STR(NULL));
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/* Q_QUOTAON */
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check_quota(CQF_ID_STR | CQF_ADDR_STR,
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ARG_STR(QCMD(Q_QUOTAON, USRQUOTA)),
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ARG_STR("/dev/bogus/"), ARG_STR(QFMT_VFS_OLD),
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ARG_STR("/tmp/bogus/"));
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snprintf(invalid_cmd_str, sizeof(invalid_cmd_str),
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"QCMD(Q_QUOTAON, %#x /* ???QUOTA */)",
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QCMD_TYPE(QCMD(Q_QUOTAON, 0xfacefeed)));
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snprintf(invalid_id_str, sizeof(invalid_id_str),
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"%#x /* QFMT_VFS_??? */", bogus_id);
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check_quota(CQF_ID_STR, QCMD(Q_QUOTAON, 0xfacefeed),
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invalid_cmd_str, bogus_dev, bogus_dev_str,
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bogus_id, invalid_id_str, bogus_addr);
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/* Q_QUOTAOFF */
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check_quota(CQF_ID_SKIP | CQF_ADDR_SKIP,
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ARG_STR(QCMD(Q_QUOTAOFF, USRQUOTA)),
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bogus_special, bogus_special_str);
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check_quota(CQF_ID_SKIP | CQF_ADDR_SKIP,
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ARG_STR(QCMD(Q_QUOTAOFF, GRPQUOTA)),
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ARG_STR("/dev/bogus/"));
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check_quota(CQF_ID_SKIP | CQF_ADDR_SKIP,
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ARG_STR(QCMD(Q_QUOTAOFF, PRJQUOTA)), ARG_STR(NULL));
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check_quota(CQF_ID_SKIP | CQF_ADDR_SKIP,
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QCMD(Q_QUOTAOFF, 3), "QCMD(Q_QUOTAOFF, 0x3 /* ???QUOTA */)",
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ARG_STR(NULL));
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/* Q_GETQUOTA */
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/* Trying our best to get successful result */
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check_quota(CQF_ADDR_CB, ARG_STR(QCMD(Q_GETQUOTA, USRQUOTA)),
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ARG_STR("/dev/sda1"), getuid(), dqblk, print_dqblk,
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(intptr_t) 1);
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check_quota(CQF_ADDR_CB, ARG_STR(QCMD(Q_GETQUOTA, GRPQUOTA)),
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ARG_STR(NULL), -1, dqblk, print_dqblk, (intptr_t) 1);
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/* Q_GETNEXTQUOTA */
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check_quota(CQF_ADDR_CB, ARG_STR(QCMD(Q_GETNEXTQUOTA, USRQUOTA)),
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ARG_STR("/dev/sda1"), 0, nextdqblk, print_nextdqblk,
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(intptr_t) 1);
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/* Q_SETQUOTA */
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fill_memory(dqblk, sizeof(*dqblk));
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check_quota(CQF_NONE, ARG_STR(QCMD(Q_SETQUOTA, PRJQUOTA)),
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bogus_special, bogus_special_str, 0, bogus_addr);
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check_quota(CQF_ADDR_CB, ARG_STR(QCMD(Q_SETQUOTA, PRJQUOTA)),
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ARG_STR("/dev/bogus/"), 3141592653U, dqblk, print_dqblk,
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(intptr_t) 0);
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/* Q_GETINFO */
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check_quota(CQF_ID_SKIP | CQF_ADDR_CB,
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ARG_STR(QCMD(Q_GETINFO, GRPQUOTA)),
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ARG_STR("/dev/sda1"), dqinfo, print_dqinfo, (intptr_t) 1);
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check_quota(CQF_ID_SKIP | CQF_ADDR_CB,
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ARG_STR(QCMD(Q_GETINFO, GRPQUOTA)),
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bogus_special, bogus_special_str, dqinfo,
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print_dqinfo, (intptr_t) 1);
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/* Q_SETINFO */
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fill_memory(dqinfo, sizeof(*dqinfo));
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/* In order to check flag printing correctness */
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dqinfo->dqi_flags = 0xdeadabcd;
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check_quota(CQF_ID_SKIP | CQF_ADDR_STR,
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ARG_STR(QCMD(Q_SETINFO, PRJQUOTA)),
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bogus_special, bogus_special_str, ARG_STR(NULL));
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check_quota(CQF_ID_SKIP | CQF_ADDR_CB,
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ARG_STR(QCMD(Q_SETINFO, USRQUOTA)),
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ARG_STR("/dev/bogus/"), dqinfo, print_dqinfo, (intptr_t) 0);
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/* Q_GETFMT */
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check_quota(CQF_ID_SKIP | CQF_ADDR_STR,
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ARG_STR(QCMD(Q_GETFMT, PRJQUOTA)),
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bogus_special, bogus_special_str, ARG_STR(NULL));
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check_quota(CQF_ID_SKIP,
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ARG_STR(QCMD(Q_GETFMT, USRQUOTA)),
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unterminated, unterminated_str, fmt + 1);
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check_quota(CQF_ID_SKIP | CQF_ADDR_CB,
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ARG_STR(QCMD(Q_GETFMT, GRPQUOTA)),
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ARG_STR("/dev/sda1"), fmt, print_dqfmt, (uintptr_t) 1);
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/* Try to check valid quota format */
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*fmt = QFMT_VFS_OLD;
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check_quota(CQF_ID_SKIP | CQF_ADDR_CB,
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ARG_STR(QCMD(Q_GETFMT, GRPQUOTA)),
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ARG_STR("/dev/sda1"), fmt, print_dqfmt, (uintptr_t) 1);
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/* Q_SYNC */
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check_quota(CQF_ID_SKIP | CQF_ADDR_SKIP,
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ARG_STR(QCMD(Q_SYNC, USRQUOTA)),
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bogus_special, bogus_special_str);
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check_quota(CQF_ID_SKIP | CQF_ADDR_SKIP,
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QCMD(Q_SYNC, 0xfff), "QCMD(Q_SYNC, 0xff /* ???QUOTA */)",
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ARG_STR(NULL));
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puts("+++ exited with 0 +++");
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return 0;
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}
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#else
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SKIP_MAIN_UNDEFINED("__NR_quotactl && "
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"(HAVE_LINUX_QUOTA_H || HAVE_SYS_QUOTA_H)");
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#endif
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