repo: shell-daemons
action: blob
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path_from: read_cgi_headers.c
revision_from: refs/heads/master:
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/ read_cgi_headers.c

refs/heads/master:/read_cgi_headers.c

 #include 
 //#include  //toupper
 #include  //strcpy, cat, etc
 #include  //getenv
 #include  //execv

 // this program is to read in headers like the type in:
 // urn:ietf:rfc:3864
 // from stdin and then store them in the stack until we
 // find the Status: header.
 // then we print it reformated, and then print the rest of the headers.

 int until_status() {
   char line[8192];
   int r=0;
   fgets(line,sizeof(line)-1,stdin);
   if(strchr(line,'\n')) *strchr(line,'\n')=0;
   if(strchr(line,'\r')) *strchr(line,'\r')=0;
   if(!strlen(line)) { // we got to the last line... uh.. what now?
     printf("%s %s\r\n",getenv("SERVER_PROTOCOL"),"200 OK"); // need to default to HTTP/1.1 200 OK
     return 1;
   }
   if(!strncasecmp(line,"Status: ",8)) {
     printf("%s %s\r\n",getenv("SERVER_PROTOCOL"),line+8);
     return 0;
   }
   r=until_status();
   printf("%s\r\n",line);
   return r;
 }

 int main(int argc,char *argv[]) {
   setlinebuf(stdout);
   char line[8192];//lol. how long should this be?
   if(!until_status()) {
     while(fgets(line,sizeof(line)-1,stdin)) {
       if(strchr(line,'\n')) *strchr(line,'\n')=0;
       if(strchr(line,'\r')) *strchr(line,'\r')=0;
       if(!strlen(line)) {
         break;//got a blank line. abort.
       }
       printf("%s\r\n",line);
     }
   }
   printf("\r\n");
   //printf("what the fucK?");
   if(argc > 1) {
     execv(argv[1],argv+1);//run argv
     perror("execv");
   }
   printf("usage: read_cgi_headers /external/program arg1 arg2\n");
   return 1;//if we got here it was an error of some kind.
 }