mdfa2acct.c

国际标准协议的

#include	<stdio.h>
#include	<stdlib.h>
#include	<string.h>
#include	<strings.h>
#include	<fcntl.h>
#include	<shadow.h>
#include	<sys/types.h>
#include	<sys/stat.h>
#include	<unistd.h>

#include	"account.h"
#include	"acc_file.h"
#include	"acc_shm.h"

main(int agrc,char **argv)
{
	FILE	*fp_user,*fp_shadow;
	BYTE	buf[12];
	BYTE	buf1;
	struct	spwd *aa,*bb;
	
	int	i,j,found=0;
	stru_user	user;

	printf("\n根据user.dat修改shadow文件\n");
	
	while(1)
	{	
/*		sleep(3600);*/
		if((fp_user=fopen("user.dat","rb"))==NULL)
		{
			printf("\nCannot open user.dat");
			continue;
		}
		
		if(fseek(fp_user,122800*sizeof(user),SEEK_SET)==-1)
		{
			printf("\nfseek error!");
			continue;
		}
		
		j=0;
		while(!feof(fp_user))
		{
		
			if(fread(&user,sizeof(stru_user),1,fp_user)!=1)
			{
				printf("\nFinish scanning user.dat!");
				break;
			}
			
			bb=getspnam(user.Uname);
			
			if(bb==NULL)
			{
				/* 这是一个在user.dat中新开的用户 */
				printf("*");
			}
			else if(labs((bb->sp_expire)*24*60*60-user.AccexpTm)>24*60*60)
			{
				if(lckpwdf()==-1)
				{
					printf("\n非常抱歉,lckpwdf failed!");
					continue;
				}
				
				if((fp_shadow=fopen("/etc/new.shadow.file.weng","w"))==NULL)
				{
					printf("\n非常抱歉,open /etc/new.shadow.file.weng failed!");
					ulckpwdf();
					continue;
				}
				
				setspent();
				found=0;
				
				while((aa=getspent())!=NULL )
				{
					if (!strcmp(aa->sp_namp, user.Uname))
					{
						found=1;
						aa->sp_expire=-1;
					}
		
					if (putspent(aa,fp_shadow) != 0) 
					{
						found = 0;
						break;
					}
				}
		
				fclose(fp_shadow);
				chmod("/etc/new.shadow.file.weng", S_IRUSR);
				
				if(!found)
				{	
					/* 对该帐号的操作失败 */
					printf("\n对用户 [%s] 的操作失败!",user.Uname);
				}
				else
				{
					if(!rename("/etc/new.shadow.file.weng","/etc/shadow"))
					{
						printf("\nModify shadow file for user [%s]!",user.Uname);
					}
					else
						printf("\nCan't rename!!");
				}
				
				ulckpwdf();
			}
			else
			{
				printf(".");
			}
	
			j++;
		}
		fclose(fp_user);
		sleep(3600);
	}	


 
	printf("\n结束");
	exit(0);
}