1 /* Copyright (c) 1990,1993 Regents of The University of Michigan.
2 * Copyright (c) 1999 Adrian Sun (asun@u.washington.edu)
3 * All Rights Reserved. See COPYRIGHT.
24 #include <atalk/afp.h>
25 #include <atalk/uam.h>
30 static int passwd_login(void *obj, struct passwd **uam_pwd,
31 char *ibuf, int ibuflen,
32 char *rbuf, int *rbuflen)
43 if (uam_afpserver_option(obj, UAM_OPTION_USERNAME,
44 (void *) &username, &ulen) < 0)
47 len = (unsigned char) *ibuf++;
49 return( AFPERR_PARAM );
52 memcpy(username, ibuf, len );
54 username[ len ] = '\0';
55 if ((unsigned long) ibuf & 1) /* pad character */
57 ibuf[ PASSWDLEN ] = '\0';
59 if (( pwd = uam_getname(username, ulen)) == NULL ) {
63 syslog(LOG_INFO, "cleartext login: %s", username);
64 if (uam_checkuser(pwd) < 0)
65 return AFPERR_NOTAUTH;
68 if (( sp = getspnam( pwd->pw_name )) == NULL ) {
69 syslog( LOG_INFO, "no shadow passwd entry for %s", username);
70 return AFPERR_NOTAUTH;
72 pwd->pw_passwd = sp->sp_pwdp;
76 return AFPERR_NOTAUTH;
80 p = crypt( ibuf, pwd->pw_passwd );
81 if ( strcmp( p, pwd->pw_passwd ) == 0 )
84 return AFPERR_NOTAUTH;
90 static int passwd_changepw(void *obj, char *username,
91 struct passwd *pwd, char *ibuf,
92 int ibuflen, char *rbuf, int *rbuflen)
97 char pw[PASSWDLEN + 1], *p;
98 uid_t uid = geteuid();
100 if (uam_checkuser(pwd) < 0)
101 return AFPERR_ACCESS;
104 memcpy(pw, ibuf, PASSWDLEN);
105 memset(ibuf, 0, PASSWDLEN);
106 pw[PASSWDLEN] = '\0';
109 if (( sp = getspnam( pwd->pw_name )) == NULL ) {
110 syslog( LOG_INFO, "no shadow passwd entry for %s", username);
113 pwd->pw_passwd = sp->sp_pwdp;
116 p = crypt(pw, pwd->pw_passwd );
117 if (strcmp( p, pwd->pw_passwd )) {
118 memset(pw, 0, sizeof(pw));
119 return AFPERR_NOTAUTH;
124 ibuf[PASSWDLEN] = '\0';
133 static int uam_setup(const char *path)
135 if (uam_register(UAM_SERVER_LOGIN, path,
136 "Cleartxt Passwrd", passwd_login, NULL, NULL) < 0)
138 /*uam_register(UAM_SERVER_PRINTAUTH, path, "Cleartxt Passwrd",
143 static void uam_cleanup(void)
145 uam_unregister(UAM_SERVER_LOGIN, "Cleartxt Passwrd");
146 /*uam_unregister(UAM_SERVER_PRINTAUTH, "Cleartxt Passwrd"); */
149 UAM_MODULE_EXPORT struct uam_export uams_clrtxt = {
152 uam_setup, uam_cleanup