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 10240char *file ;void time_out(){syslog(LOG_INFO,"read input timeout!");exit(1); }voidusage(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}};voidparseopt(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;}