flashpolicyd c 版本

#include <stdio.h>
#include <stdlib.h>
#include <syslog.h>
#include <signal.h>
#include <unistd.h>
#include <string.h>
#include <getopt.h>
#define MAX_READFILE 24
#define MAX_INPUTFILE 10240
char *file ;
void time_out(){
syslog(LOG_INFO,"read input timeout!");
exit(1);
}
void
usage(void)
/* print a help message about command line options and exit */
{
syslog(LOG_INFO,"system error:be short of params!");
fprintf (stdout,"system error:be short of params!");
exit(1);
}
char *f_opt_arg;
struct option longopts[] = {
{ "file",required_argument,NULL,'f'},
{ 0, 0, 0, 0}
};
void
parseopt(int argc, char *argv[])
/* set options */
{
int c;
/* constants and variables defined by command line */

while(1) {
c = getopt_long(argc, argv, ":f:", longopts, NULL);
if (c == EOF) break;
switch (c) {
case 'f':
file = optarg; break;

case ':':
usage();

case '?':
usage();

default:
usage();
}
}
}
int main(int argc ,char **argv)
{
/* interpret command line options */
parseopt(argc, argv);
FILE *fd ;
char xmlnote[MAX_INPUTFILE+1] ;
syslog(LOG_INFO,"start read xml:%s",file);
if((fd = fopen(file ,"r")) ==NULL){
syslog(LOG_INFO,"not found xml:%s",file);
exit(1);
}

int ch;
int counter=0;
while ( (ch = fgetc(fd)) != EOF ) {
xmlnote[counter] = ch;
counter++;
}
fclose(fd);
char *base ="<policy-file-request/>\000";
char input[MAX_READFILE+1] ;

signal(SIGALRM,time_out);
alarm(1);
char *r = fgets(input, MAX_READFILE, stdin);
alarm(0);

int cmp = memcmp(base,input,MAX_READFILE);
if( cmp<0 || cmp>0){
syslog(LOG_INFO,"read input bad format!");
exit(1);
}

if ( r!= NULL ) {
syslog(LOG_INFO,"end read input:%s",input);
fprintf (stdout,xmlnote);
}
return 0;
}