bicyclesonthemoon.info Git - ott/enhance/blob - bluenhd.cpp

   1 //  //  //Download images and
   2    //  // ENHANCE them!
   3   //  //
   4  //  //   Requires cgilib
   5 //  //  //line 146 of cgi.h
   6    //  // must be changed
   7   //  //  from "extern }"
   8  //  //   to "}"
   9 //  //  //
  10    //  // ~~bicyclesonthemoon
  11
  12 #include <cgi.h>
  13 #include <stdio.h>
  14 #include <stdlib.h>
  15 #include <unistd.h>
  16 #include <string.h>
  17 #include <sys/wait.h>
  18 #include <sys/stat.h>
  19
  20 #define WGET_PATH  "/usr/bin/wget"
  21 #define ENH_PATH   "./bluenh"
  22 #define RM_PATH    "/bin/rm"
  23 #define LOG_PATH   "/eizm/log/bluenh/bluenh.log"
  24 #define USERAGENT  "Bluenhancement\x20(1190.bicyclesonthemoon.dnsd.info/bluenh/bluenh.htm)"
  25 #define MSTD_PATH  "/pro/bluenh/nh.png"
  26
  27 int main (int argc, char *argv[]);
  28 void mustard(int mustard);
  29
  30 FILE *pix;
  31 unsigned char buf[1024];
  32 char url[1024];
  33 char path[256];
  34 char method[256];
  35 s_cgi *cgi;
  36 int t;
  37 pid_t sub;
  38 struct stat st;
  39 unsigned long p;
  40 unsigned short q;
  41 char **up;
  42 // unsigned char a,b,c,d,e,f;
  43 // bool meg=false;
  44
  45 int main (int argc, char *argv[])
  46 {
  47         cgi=cgiInit();
  48
  49         up=cgiGetFiles(cgi);
  50         if (up)
  51         {
  52                 sprintf(path,"%s",cgiGetFile(cgi,up[0])->tmpfile);
  53                 sprintf(url,"%s",cgiGetFile(cgi,up[0])->filename);
  54         }
  55         else
  56         {
  57                 sprintf(url,"%s",(cgiGetValue(cgi,"inpix")!=NULL)?(cgiGetValue(cgi,"inpix")):"");
  58                 sprintf(path,"/var/tmp/%lu",(unsigned long)getpid());
  59
  60                 //Why is  there no spawnl() in linux?
  61                 sub=fork();
  62                 if(sub==0)
  63                 {
  64                         t=execl(WGET_PATH,WGET_PATH,"-q","-t","2","-U",USERAGENT,"-O",path,url,(char *)0);
  65                         exit(t);
  66                 }
  67                 waitpid(sub,&t,0);
  68                 if(t)mustard(t);
  69         }
  70
  71         sub=fork();
  72         if(sub==0)
  73         {
  74                 t=execl(ENH_PATH,ENH_PATH,path,path,cgiGetValue(cgi,"a")!=NULL?cgiGetValue(cgi,"a"):"0",cgiGetValue(cgi,"b")!=NULL?cgiGetValue(cgi,"b"):"127",cgiGetValue(cgi,"c")!=NULL?cgiGetValue(cgi,"c"):"255",cgiGetValue(cgi,"d")!=NULL?cgiGetValue(cgi,"d"):"0",cgiGetValue(cgi,"e")!=NULL?cgiGetValue(cgi,"e"):"127",cgiGetValue(cgi,"f")!=NULL?cgiGetValue(cgi,"f"):"255","q",(char *)0);
  75                 exit(t);
  76         }
  77         waitpid(sub,&t,0);
  78         if(t)mustard(t);
  79
  80         pix=fopen(path,"rb");
  81         if(pix==NULL)
  82                 mustard(123);
  83         fstat(fileno(pix),&st);
  84         p=st.st_size/1024;
  85         q=st.st_size%1024;
  86
  87         printf("Content-Length: %lu\n",(unsigned long)(st.st_size));
  88         printf("Content-type: image/png\n\n");
  89         for(unsigned long i=0;i<p;++i)
  90         {
  91                 fread(buf,1,1024,pix);
  92                 fwrite(buf,1,1024,stdout);
  93         }
  94         if(q!=0)
  95         {
  96                 fread(buf,1,q,pix);
  97                 fwrite(buf,1,q,stdout);
  98         }
  99         fclose(pix);
 100         fflush(stdout);
 101         mustard(0);//no mustard
 102 }
 103
 104 void mustard(int mustard)
 105 {
 106         if(mustard)
 107         {
 108                 cgiRedirect(MSTD_PATH);
 109         }
 110         sub=fork();
 111         if(sub==0)
 112         {
 113                 t=execl(RM_PATH,RM_PATH,"-f",path,(char *)0);
 114                 exit(t);
 115         }
 116         waitpid(sub,&t,0);
 117         pix=fopen(LOG_PATH,"at");
 118         if(pix!=NULL)
 119         {
 120                 fprintf(pix,"%x %s\n",mustard,url);
 121                 fclose(pix);
 122         }
 123         exit(mustard);
 124 }