struct SHADOWPW { /* see getpwent(3) */ char *pw_name; char *pw_passwd; int pw_uid; int pw_gid; int pw_quota; char *pw_comment; char *pw_gecos; char *pw_dir; char *pw_shell; }; struct passwd *getpwent(), *getpwuid(), *getpwnam(); #ifdef elxsi /* Name of the shadow password file. Contains password and aging info */ #define SHADOWPW "/etc/shadowpw" #define SHADOWPW_PAG "/etc/shadowpw.pag" #define SHADOWPW_DIR "/etc/shadowpw.dir" /* * Shadow password file pwd->pw_gecos field contains: * * ,,,, * * = Type of password criteria to enforce (type int). * BSD_CRIT (0), normal BSD. * STR_CRIT (1), strong passwords. * = Password aging period (type long). * 0, no aging. * else, number of seconds in aging period. * = Time (seconds from epoch) of the last password * change (type long). * 0, never changed. * = Time (seconds from epoch) that the current password * was made the (type long). * 0, never changed. * = Password (encrypted) saved for an aging to * prevent reuse during that period (type char [20]). * "*******", no . */ /* number of tries to change an aged password */ #define CHANGE_TRIES 3 /* program to execute to change passwords */ #define PASSWD_PROG "/bin/passwd" /* Name of the password aging exempt user names and max number of entires */ #define EXEMPTPW "/etc/exemptpw" #define MAX_EXEMPT 100 /* Password criteria to enforce */ #define BSD_CRIT 0 /* Normal BSD password criteria */ #define STR_CRIT 1 /* Strong password criteria */ #define MAX_CRIT 1 #endif elxsi #define NULL 0 main() { struct passwd *p; int i; for (;;) {3; p=getpwent(); if (p==NULL) return; printpw(p); } } printpw(a) struct SHADOWPW *a; { printf("%s:%s:%d:%d:%s:%s:%s\n", a->pw_name,a->pw_passwd,a->pw_uid,a->pw_gid, a->pw_gecos,a->pw_dir,a->pw_shell); }