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135 lines
3.1 KiB
135 lines
3.1 KiB
/**
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* @example vncev.c
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* This program is a simple server to show events coming from the client
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*/
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#ifdef __STRICT_ANSI__
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#define _BSD_SOURCE
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/types.h>
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#ifndef __MINGW32__
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#include <sys/socket.h>
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#endif
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#include <rfb/rfb.h>
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#include <rfb/default8x16.h>
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#define width 100
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#define height 100
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static char f[width*height];
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static char* keys[0x400];
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static int hex2number(unsigned char c)
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{
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if(c>'f') return(-1);
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else if(c>'F')
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return(10+c-'a');
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else if(c>'9')
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return(10+c-'A');
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else
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return(c-'0');
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}
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static void read_keys(void)
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{
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int i,j,k;
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char buffer[1024];
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FILE* keysyms=fopen("keysym.h","r");
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memset(keys,0,0x400*sizeof(char*));
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if(!keysyms)
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return;
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while(!feof(keysyms)) {
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fgets(buffer,1024,keysyms);
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if(!strncmp(buffer,"#define XK_",strlen("#define XK_"))) {
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for(i=strlen("#define XK_");buffer[i] && buffer[i]!=' '
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&& buffer[i]!='\t';i++);
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if(buffer[i]==0) /* don't support wrapped lines */
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continue;
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buffer[i]=0;
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for(i++;buffer[i] && buffer[i]!='0';i++);
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if(buffer[i]==0 || buffer[i+1]!='x') continue;
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for(j=0,i+=2;(k=hex2number(buffer[i]))>=0;i++)
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j=j*16+k;
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if(keys[j&0x3ff]) {
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char* x=(char*)malloc(1+strlen(keys[j&0x3ff])+1+strlen(buffer+strlen("#define ")));
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strcpy(x,keys[j&0x3ff]);
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strcat(x,",");
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strcat(x,buffer+strlen("#define "));
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free(keys[j&0x3ff]);
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keys[j&0x3ff]=x;
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} else
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keys[j&0x3ff] = strdup(buffer+strlen("#define "));
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}
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}
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fclose(keysyms);
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}
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static int lineHeight=16,lineY=height-16;
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static void output(rfbScreenInfoPtr s,char* line)
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{
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rfbDoCopyRect(s,0,0,width,height-lineHeight,0,-lineHeight);
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rfbDrawString(s,&default8x16Font,10,lineY,line,0x01);
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rfbLog("%s\n",line);
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}
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static void dokey(rfbBool down,rfbKeySym k,rfbClientPtr cl)
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{
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char buffer[1024+32];
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sprintf(buffer,"%s: %s (0x%x)",
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down?"down":"up",keys[k&0x3ff]?keys[k&0x3ff]:"",(unsigned int)k);
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output(cl->screen,buffer);
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}
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static void doptr(int buttonMask,int x,int y,rfbClientPtr cl)
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{
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char buffer[1024];
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if(buttonMask) {
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sprintf(buffer,"Ptr: mouse button mask 0x%x at %d,%d",buttonMask,x,y);
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output(cl->screen,buffer);
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}
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}
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static enum rfbNewClientAction newclient(rfbClientPtr cl)
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{
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char buffer[1024];
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struct sockaddr_in addr;
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socklen_t len=sizeof(addr);
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unsigned int ip;
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getpeername(cl->sock,(struct sockaddr*)&addr,&len);
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ip=ntohl(addr.sin_addr.s_addr);
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sprintf(buffer,"Client connected from ip %d.%d.%d.%d",
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(ip>>24)&0xff,(ip>>16)&0xff,(ip>>8)&0xff,ip&0xff);
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output(cl->screen,buffer);
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return RFB_CLIENT_ACCEPT;
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}
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int main(int argc,char** argv)
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{
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rfbScreenInfoPtr s=rfbGetScreen(&argc,argv,width,height,8,1,1);
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if(!s)
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return 0;
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s->colourMap.is16=FALSE;
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s->colourMap.count=2;
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s->colourMap.data.bytes=(unsigned char*)"\xd0\xd0\xd0\x30\x01\xe0";
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s->serverFormat.trueColour=FALSE;
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s->frameBuffer=f;
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s->kbdAddEvent=dokey;
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s->ptrAddEvent=doptr;
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s->newClientHook=newclient;
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memset(f,0,width*height);
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read_keys();
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rfbInitServer(s);
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while(1) {
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rfbProcessEvents(s,999999);
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}
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}
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