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 $
8 * Revision 1.5 1996/12/01 03:14:13 morgan
11 * Revision 1.4 1996/11/10 19:59:56 morgan
12 * internalized strdup for malloc debugging
14 * Revision 1.3 1996/09/05 06:10:31 morgan
15 * changed type of cleanup(), added PAM_DATA_REPLACE to replacement
18 * Revision 1.2 1996/03/16 21:33:05 morgan
19 * removed const from cleanup argument, also deleted comment about SUN stuff
27 #include "pam_private.h"
29 struct pam_data *_pam_locate_data(const pam_handle_t *pamh, const char *name);
33 const char *module_data_name,
35 void (*cleanup)(pam_handle_t *pamh, void *data, int error_status))
37 struct pam_data *data_entry;
39 IF_NO_PAMH("pam_set_data",pamh,PAM_SYSTEM_ERR);
41 /* first check if there is some data already. If so clean it up */
43 if ((data_entry = _pam_locate_data(pamh, module_data_name))) {
44 if (data_entry->cleanup) {
45 data_entry->cleanup(pamh, data_entry->data
46 , PAM_DATA_REPLACE | PAM_SUCCESS );
48 } else if ((data_entry = malloc(sizeof(*data_entry)))) {
51 if ((tname = _pam_strdup(module_data_name)) == NULL) {
52 pam_system_log(pamh, NULL, LOG_CRIT,
53 "pam_set_data: no memory for data name");
54 _pam_drop(data_entry);
57 data_entry->next = pamh->data;
58 pamh->data = data_entry;
59 data_entry->name = tname;
61 pam_system_log(pamh, NULL, LOG_CRIT,
62 "pam_set_data: cannot allocate data entry");
66 data_entry->data = data; /* note this could be NULL */
67 data_entry->cleanup = cleanup;
73 const pam_handle_t *pamh,
74 const char *module_data_name,
77 struct pam_data *data;
79 IF_NO_PAMH("pam_get_data",pamh,PAM_SYSTEM_ERR);
81 data = _pam_locate_data(pamh, module_data_name);
87 return PAM_NO_MODULE_DATA;
90 struct pam_data *_pam_locate_data(const pam_handle_t *pamh, const char *name)
92 struct pam_data *data;
94 IF_NO_PAMH("_pam_locate_data",pamh,NULL);
98 if (!strcmp(data->name, name)) {
107 void _pam_free_data(pam_handle_t *pamh, int status)
109 struct pam_data *last;
110 struct pam_data *data;
112 IF_NO_PAMH("_pam_free_data",pamh,/* no return value for void fn */);
119 last->cleanup(pamh, last->data, status);
121 _pam_drop(last->name);