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) 2003-2016 Dmitry V. Levin <ldv@altlinux.org>
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. The name of the author may not be used to endorse or promote products
18 * derived from this software without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 #ifdef STRACE_UID_SIZE
33 # if STRACE_UID_SIZE != 16
34 # error invalid STRACE_UID_SIZE
37 # define SIZEIFY(x) SIZEIFY_(x,STRACE_UID_SIZE)
38 # define SIZEIFY_(x,size) SIZEIFY__(x,size)
39 # define SIZEIFY__(x,size) x ## size
41 # define printuid SIZEIFY(printuid)
42 # define sys_chown SIZEIFY(sys_chown)
43 # define sys_fchown SIZEIFY(sys_fchown)
44 # define sys_getgroups SIZEIFY(sys_getgroups)
45 # define sys_getresuid SIZEIFY(sys_getresuid)
46 # define sys_getuid SIZEIFY(sys_getuid)
47 # define sys_setfsuid SIZEIFY(sys_setfsuid)
48 # define sys_setgroups SIZEIFY(sys_setgroups)
49 # define sys_setresuid SIZEIFY(sys_setresuid)
50 # define sys_setreuid SIZEIFY(sys_setreuid)
51 # define sys_setuid SIZEIFY(sys_setuid)
52 #endif /* STRACE_UID_SIZE */
56 #ifdef STRACE_UID_SIZE
57 # if !NEED_UID16_PARSERS
58 # undef STRACE_UID_SIZE
61 # define STRACE_UID_SIZE 32
64 #ifdef STRACE_UID_SIZE
67 # define uid_t uid_t_(STRACE_UID_SIZE)
68 # define uid_t_(size) uid_t__(size)
69 # define uid_t__(size) uint ## size ## _t
73 return RVAL_UDECIMAL | RVAL_DECODED;
78 tprintf("%u", (uid_t) tcp->u_arg[0]);
80 return RVAL_UDECIMAL | RVAL_DECODED;
85 printuid("", tcp->u_arg[0]);
91 get_print_uid(struct tcb *tcp, const char *prefix, const long addr)
96 if (!umove_or_printaddr(tcp, addr, &uid))
105 get_print_uid(tcp, "", tcp->u_arg[0]);
106 get_print_uid(tcp, ", ", tcp->u_arg[1]);
107 get_print_uid(tcp, ", ", tcp->u_arg[2]);
114 printuid("", tcp->u_arg[0]);
115 printuid(", ", tcp->u_arg[1]);
122 printuid("", tcp->u_arg[0]);
123 printuid(", ", tcp->u_arg[1]);
124 printuid(", ", tcp->u_arg[2]);
131 printpath(tcp, tcp->u_arg[0]);
132 printuid(", ", tcp->u_arg[1]);
133 printuid(", ", tcp->u_arg[2]);
140 printfd(tcp, tcp->u_arg[0]);
141 printuid(", ", tcp->u_arg[1]);
142 printuid(", ", tcp->u_arg[2]);
148 printuid(const char *text, const unsigned int uid)
150 if ((uid_t) -1U == (uid_t) uid)
151 tprintf("%s-1", text);
153 tprintf("%s%u", text, (uid_t) uid);
157 print_groups(struct tcb *tcp, const unsigned int len, const unsigned long addr)
159 static unsigned long ngroups_max;
161 ngroups_max = sysconf(_SC_NGROUPS_MAX);
163 const unsigned int size = len * sizeof(uid_t);
164 const unsigned long end = addr + size;
165 if (!addr || !verbose(tcp) || size / sizeof(uid_t) != len
166 || len > ngroups_max || end < addr) {
176 const unsigned long abbrev_end =
177 (abbrev(tcp) && max_strlen < len) ?
178 addr + max_strlen * sizeof(uid_t) : end;
181 for (cur = addr; cur < end; cur += sizeof(uid_t)) {
186 if (umove_or_printaddr(tcp, cur, &gid))
192 if (cur >= abbrev_end) {
198 tprintf("%u", (unsigned int) gid);
206 const unsigned int len = tcp->u_arg[0];
208 tprintf("%u, ", len);
209 print_groups(tcp, len, tcp->u_arg[1]);
216 tprintf("%u, ", (unsigned int) tcp->u_arg[0]);
218 print_groups(tcp, tcp->u_rval, tcp->u_arg[1]);
222 #endif /* STRACE_UID_SIZE */