10 #include "pam_private.h"
12 static struct pam_data *_pam_locate_data(const pam_handle_t *pamh,
15 struct pam_data *data;
19 IF_NO_PAMH("_pam_locate_data", pamh, NULL);
24 if (!strcmp(data->name, name)) {
35 const char *module_data_name,
37 void (*cleanup)(pam_handle_t *pamh, void *data, int error_status))
39 struct pam_data *data_entry;
43 IF_NO_PAMH("pam_set_data", pamh, PAM_SYSTEM_ERR);
45 if (__PAM_FROM_APP(pamh)) {
46 D(("called from application!?"));
47 return PAM_SYSTEM_ERR;
50 /* first check if there is some data already. If so clean it up */
52 if ((data_entry = _pam_locate_data(pamh, module_data_name))) {
53 if (data_entry->cleanup) {
54 data_entry->cleanup(pamh, data_entry->data,
55 PAM_DATA_REPLACE | PAM_SUCCESS );
57 } else if ((data_entry = malloc(sizeof(*data_entry)))) {
60 if ((tname = _pam_strdup(module_data_name)) == NULL) {
61 _pam_system_log(LOG_CRIT, "pam_set_data: no memory for data name");
62 _pam_drop(data_entry);
65 data_entry->next = pamh->data;
66 pamh->data = data_entry;
67 data_entry->name = tname;
69 _pam_system_log(LOG_CRIT, "pam_set_data: cannot allocate data entry");
73 data_entry->data = data; /* note this could be NULL */
74 data_entry->cleanup = cleanup;
80 const pam_handle_t *pamh,
81 const char *module_data_name,
84 struct pam_data *data;
88 IF_NO_PAMH("pam_get_data", pamh, PAM_SYSTEM_ERR);
90 if (__PAM_FROM_APP(pamh)) {
91 D(("called from application!?"));
92 return PAM_SYSTEM_ERR;
95 data = _pam_locate_data(pamh, module_data_name);
101 return PAM_NO_MODULE_DATA;
104 void _pam_free_data(pam_handle_t *pamh, int status)
106 struct pam_data *last;
107 struct pam_data *data;
111 IF_NO_PAMH("_pam_free_data", pamh, /* no return value for void fn */);
118 last->cleanup(pamh, last->data, status);
120 _pam_drop(last->name);