81 lines
2.4 KiB
C
81 lines
2.4 KiB
C
/*
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* Copyright (c) 2012-2014 Todd C. Miller <Todd.Miller@courtesan.com>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <config.h>
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#ifndef HAVE_SIG2STR
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#include <sys/types.h>
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#include <errno.h>
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#include <stdio.h>
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#ifdef STDC_HEADERS
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# include <stdlib.h>
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# include <stddef.h>
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#else
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# ifdef HAVE_STDLIB_H
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# include <stdlib.h>
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# endif
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#endif /* STDC_HEADERS */
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#ifdef HAVE_STRING_H
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# include <string.h>
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#endif /* HAVE_STRING_H */
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#ifdef HAVE_STRINGS_H
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# include <strings.h>
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#endif /* HAVE_STRINGS_H */
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#include <signal.h>
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#include <unistd.h>
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#include "sudo_compat.h"
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#if defined(HAVE_DECL_SYS_SIGNAME) && HAVE_DECL_SYS_SIGNAME == 1
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# define sudo_sys_signame sys_signame
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#elif defined(HAVE_DECL__SYS_SIGNAME) && HAVE_DECL__SYS_SIGNAME == 1
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# define sudo_sys_signame _sys_signame
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#elif defined(HAVE_DECL___SYS_SIGNAME) && HAVE_DECL___SYS_SIGNAME == 1
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# define sudo_sys_signame __sys_signame
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#elif defined(HAVE_DECL_SYS_SIGABBREV) && HAVE_DECL_SYS_SIGABBREV == 1
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# define sudo_sys_signame sys_sigabbrev
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#else
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# ifdef HAVE_SYS_SIGABBREV
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/* sys_sigabbrev is not declared by glibc */
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# define sudo_sys_signame sys_sigabbrev
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# endif
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extern const char *const sudo_sys_signame[NSIG];
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#endif
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/*
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* Translate signal number to name.
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*/
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int
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sudo_sig2str(int signo, char *signame)
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{
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#if defined(SIGRTMIN) && defined(SIGRTMAX)
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/* Realtime signal support as per Solaris. */
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if (signo >= SIGRTMIN && signo <= SIGRTMAX) {
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snprintf(signame, SIG2STR_MAX, "RTMIN+%d", (signo - SIGRTMIN));
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return 0;
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}
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#endif
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if (signo > 0 && signo < NSIG && sudo_sys_signame[signo] != NULL) {
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strlcpy(signame, sudo_sys_signame[signo], SIG2STR_MAX);
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return 0;
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}
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errno = EINVAL;
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return -1;
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}
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#endif /* HAVE_SIG2STR */
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