fred.c

fred.c

/** Uncle Fred 
 * Create an index.html and put in the same dir. 
 * Compile normally with cc -O2 -o http http.c, run sudo ./http 80, open your brosert and type: http://127.0.0.1/
 */

      #include/*           micro HTTP server           */<stdio.h>
     #include/*           usage: ./http [port]          */<stdlib.h>
    #include/*                                           */<string.h>
     #include/*   the default port is 8080, files are   */<unistd.h>
      #include/*    read from the current directory    */<netdb.h>


                  int main(int n,char**
                  V){int t=SOCK_STREAM,
                  N=SO_REUSEADDR,i=1,c=
                         htons(n
  >1?atoi       (V[1]):  101*80)  ;struct sockaddr_in s
  ={(0)};       void*f=  &s;char  *m,b[1036];s.sin_port
  =c;for(       N=!((t=  socket(  s.sin_family=AF_INET,
  #define       http(c)  setsock         ##opt(\
  t,SOL_S       ##OCKET  ,N,&i,c         (i)),bi  ##nd(t,f,c(s))<0)||
  t,0))<0       ||(http  (sizeof         )listen  (t,5))<<10;N&&(0)<=(c
  =accept(t,0,0));close  (c)){b[         n=recv(  c,b,N,0),0>n?0:n]=0;n
  =!memcmp(b,"GET /",5)  <<6;for         (i=4;n^  '?'&&n<       127&&n>
  32;)n=b[++i];f=0;m=n?  strcpy(         b+i,b[i  -1]-'/'       ?"":"i"
  "ndex."       "html")  ,printf         ("%s\n"  ,(5+b))       ,strstr
  (b,"/."       )||0==(  f=fopen         (&b[5],  "rb"))?"404 Not Foun"
  "d":"2"       "00 OK"                  :"501 "  "Not Implemented";for
  ((send)       ((c),b,                  sprintf  (b, "HTTP/1.1 %s\n"
  "\r\n%"       "s",m,f                  ?"":m),  0);f&&!
  ((send)       (c,b+0,                  fread(b  ,1,N,f)
                                                  ,0)-N&&
                                                  fclose(
                                                  f)|404*
                                                  N););}}