4 * $Id: pam_data.c,v 1.5 1996/12/01 03:14:13 morgan Exp $
5 * $FreeBSD: src/contrib/libpam/libpam/pam_data.c,v 1.1.1.1.6.2 2001/06/11 15:28:12 markm Exp $
6 * $DragonFly: src/contrib/libpam/libpam/Attic/pam_data.c,v 1.2 2003/06/17 04:24:03 dillon Exp $
9 * Revision 1.5 1996/12/01 03:14:13 morgan
12 * Revision 1.4 1996/11/10 19:59:56 morgan
13 * internalized strdup for malloc debugging
15 * Revision 1.3 1996/09/05 06:10:31 morgan
16 * changed type of cleanup(), added PAM_DATA_REPLACE to replacement
19 * Revision 1.2 1996/03/16 21:33:05 morgan
20 * removed const from cleanup argument, also deleted comment about SUN stuff
28 #include "pam_private.h"
30 struct pam_data *_pam_locate_data(const pam_handle_t *pamh, const char *name);
34 const char *module_data_name,
36 void (*cleanup)(pam_handle_t *pamh, void *data, int error_status))
38 struct pam_data *data_entry;
40 IF_NO_PAMH("pam_set_data",pamh,PAM_SYSTEM_ERR);
42 /* first check if there is some data already. If so clean it up */
44 if ((data_entry = _pam_locate_data(pamh, module_data_name))) {
45 if (data_entry->cleanup) {
46 data_entry->cleanup(pamh, data_entry->data
47 , PAM_DATA_REPLACE | PAM_SUCCESS );
49 } else if ((data_entry = malloc(sizeof(*data_entry)))) {
52 if ((tname = _pam_strdup(module_data_name)) == NULL) {
53 pam_system_log(pamh, NULL, LOG_CRIT,
54 "pam_set_data: no memory for data name");
55 _pam_drop(data_entry);
58 data_entry->next = pamh->data;
59 pamh->data = data_entry;
60 data_entry->name = tname;
62 pam_system_log(pamh, NULL, LOG_CRIT,
63 "pam_set_data: cannot allocate data entry");
67 data_entry->data = data; /* note this could be NULL */
68 data_entry->cleanup = cleanup;
74 const pam_handle_t *pamh,
75 const char *module_data_name,
78 struct pam_data *data;
80 IF_NO_PAMH("pam_get_data",pamh,PAM_SYSTEM_ERR);
82 data = _pam_locate_data(pamh, module_data_name);
88 return PAM_NO_MODULE_DATA;
91 struct pam_data *_pam_locate_data(const pam_handle_t *pamh, const char *name)
93 struct pam_data *data;
95 IF_NO_PAMH("_pam_locate_data",pamh,NULL);
99 if (!strcmp(data->name, name)) {
108 void _pam_free_data(pam_handle_t *pamh, int status)
110 struct pam_data *last;
111 struct pam_data *data;
113 IF_NO_PAMH("_pam_free_data",pamh,/* no return value for void fn */);
120 last->cleanup(pamh, last->data, status);
122 _pam_drop(last->name);