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133 lines
3.4 KiB
C
133 lines
3.4 KiB
C
/*
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* Copyright (c) 2003 Sun Microsystems, Inc. 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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*
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* Redistribution 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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*
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* Redistribution 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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*
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* Neither the name of Sun Microsystems, Inc. or the names of
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* This software is provided "AS IS," without a warranty of any kind.
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* ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
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* INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
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* PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED.
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* SUN MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE
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* FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING
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* OR DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL
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* SUN OR ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA,
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* OR FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR
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* PUNITIVE DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF
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* LIABILITY, ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE,
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* EVEN IF SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
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*
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* You acknowledge that this software is not designed or intended for use
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* in the design, construction, operation or maintenance of any nuclear
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* facility.
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <signal.h>
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#include <helper.h>
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#include <string.h>
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unsigned long buf2long(unsigned char * buf)
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{
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return (unsigned long)(buf[3] << 24 | buf[2] << 16 | buf[1] << 8 | buf[0]);
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}
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unsigned short buf2short(unsigned char * buf)
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{
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return (unsigned short)(buf[1] << 8 | buf[0]);
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}
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const char * buf2str(unsigned char * buf, int len)
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{
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static char str[1024];
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int i;
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if (!len || len > 1024)
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return NULL;
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memset(str, 0, 1024);
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for (i=0; i<len; i++)
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sprintf(str+i+i, "%2.2x", buf[i]);
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str[len*2] = '\0';
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return (const char *)str;
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}
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void printbuf(unsigned char * buf, int len, char * desc)
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{
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int i;
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if (!len)
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return;
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printf("%s (%d bytes)\n", desc, len);
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for (i=0; i<len; i++) {
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if (((i%16) == 0) && (i != 0))
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printf("\n");
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printf(" %2.2x", buf[i]);
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}
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printf("\n");
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}
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const char * val2str(unsigned char val, const struct valstr *vs)
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{
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static char un_str[16];
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int i = 0;
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while (vs[i].str) {
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if (vs[i].val == val)
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return vs[i].str;
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i++;
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}
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memset(un_str, 0, 16);
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snprintf(un_str, 16, "Unknown (0x%02x)", val);
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return un_str;
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}
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void signal_handler(int sig, void * handler)
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{
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struct sigaction act;
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if (!sig || !handler)
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return;
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memset(&act, 0, sizeof(act));
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act.sa_handler = handler;
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act.sa_flags = 0;
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if (sigemptyset(&act.sa_mask) < 0) {
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printf("SIGNAL[%s] unable to empty signal set\n",
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(char *)strsignal(sig));
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return;
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}
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if (sigaction(sig, &act, NULL) < 0) {
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printf("SIGNAL[%s] unable to register handler @ %p\n",
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(char *)strsignal(sig), (void *)handler);
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return;
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}
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printf("SIGNAL[%s]: handler registered @ %p\n",
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(char *)strsignal(sig), (void *)handler);
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}
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