Dmitry V. Levin
2720a61832
Print the second return value of getxpid, getxuid, and getxgid syscalls that return a pair of values using the same mechanism as pipe syscall. * alpha.c: New file. * Makefile.am (strace_SOURCES): Add it. * linux/alpha/syscallent.h [20]: Change SEN(getpid) to SEN(getxpid). [24]: Change SEN(getuid) to SEN(getxuid). [47]: Change SEN(getgid) to SEN(getxgid). * NEWS: Mention this enhancement. * tests/uid.awk: Update for getxgid output change. * tests/uid.test: Cleanup. * tests/getxxid.c: New file. * tests/getxxid.test: New test. * tests/Makefile.am (check_PROGRAMS): Add getxxid. (TESTS): Add getxxid.test. * tests/.gitignore: Add getxxid.
64 lines
2.0 KiB
C
64 lines
2.0 KiB
C
/*
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* Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org>
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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 "defs.h"
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#ifdef ALPHA
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static int
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decode_getxxid(struct tcb *tcp, const char *what)
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{
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if (entering(tcp))
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return 0;
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long rval = getrval2(tcp);
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if (rval == -1)
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return 0;
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static const char const fmt[] = "%s %ld";
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static char outstr[sizeof(fmt) + 3 * sizeof(rval)];
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snprintf(outstr, sizeof(outstr), fmt, what, rval);
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tcp->auxstr = outstr;
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return RVAL_STR;
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}
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SYS_FUNC(getxpid)
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{
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return decode_getxxid(tcp, "ppid");
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}
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SYS_FUNC(getxuid)
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{
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return decode_getxxid(tcp, "euid");
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}
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SYS_FUNC(getxgid)
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{
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return decode_getxxid(tcp, "egid");
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}
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#endif /* ALPHA */
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