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92 lines
1.7 KiB
C
92 lines
1.7 KiB
C
/*
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* Secure X Message Passing Library v2 implementation.
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* This is a proprietary software. See COPYING for further details.
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*
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* (c) Askele Group 2013-2015 <http://askele.com>
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <errno.h>
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#include <string.h>
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#include <pthread.h>
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#include <sys/stat.h>
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#include <sys/time.h>
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#include <sys/types.h>
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#ifdef WIN32
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#include <Winsock2.h>
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#include <windows.h>
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#include <rpc.h>
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#else
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#include <sys/select.h>
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#include <netdb.h>
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#include <unistd.h>
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#include <uuid/uuid.h>
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#endif
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#include <fcntl.h>
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#ifdef WIN32
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#define UUID_T_LENGTH 16
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#ifdef uuid_t
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#undef uuid_t
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#endif
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typedef unsigned char uuid_t[16];
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void uuid_generate_random(uuid_t out){
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int i,a=0;
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LARGE_INTEGER frequency,t1;
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long int d;
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for(i=0;i<UUID_T_LENGTH;i++){
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a=rand();
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*(out+i)=a;
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}
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QueryPerformanceFrequency(&frequency);
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QueryPerformanceCounter(&t1);
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d=(long int)t1.QuadPart*1000/frequency.QuadPart;
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memcpy(out,&d,sizeof(d));
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}
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#endif
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/* this function is an ugly implementation to get C string with uuid */
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char *__generate_uuid(void)
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{
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#ifdef WIN32
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char *uuidc = NULL;
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uuid_t uuid_t_m;
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int len, i = 0,r=0;
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len = 33;
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if(!(uuidc = malloc(len))) return NULL;
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uuid_generate_random(uuid_t_m);
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for(i = 0; i < 16; i++)
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snprintf(uuidc+(2*i*sizeof(char)), len, "%02x", uuid_t_m[i]);
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return uuidc;
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#else
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char *uuidc = NULL;
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uuid_t uuid;
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int len, i = 0;
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len = sizeof(char)*(sizeof(uuid_t)*2) + sizeof(char);
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if(!(uuidc = malloc(len))) return NULL;
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uuid_generate_time_safe(uuid);
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for(i = 0; i < sizeof(uuid_t); i++)
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snprintf(uuidc+(2*i*sizeof(char)), len, "%02x", uuid[i]);
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return uuidc;
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#endif
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}
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