static int eap_sim_db_send(struct eap_sim_db_data *data, const char *msg,
size_t len)
{
int _errno = 0;
if (send(data->sock, msg, len, 0) < 0) {
_errno = errno;
perror("send[EAP-SIM DB UNIX]");
}
if (_errno == ENOTCONN || _errno == EDESTADDRREQ || _errno == EINVAL ||
_errno == ECONNREFUSED) {
/* Try to reconnect */
eap_sim_db_close_socket(data);
if (eap_sim_db_open_socket(data) < 0)
return -1;
wpa_printf(MSG_DEBUG, "EAP-SIM DB: Reconnected to the "
"external server");
if (send(data->sock, msg, len, 0) < 0) {
perror("send[EAP-SIM DB UNIX]");
return -1;
}
}
return 0;
}
/**
* eap_sim_db_deinit - Deinitialize EAP-SIM DB/authentication gw interface
* @priv: Private data pointer from eap_sim_db_init()
*/
void eap_sim_db_deinit(void *priv)
{
struct eap_sim_db_data *data = priv;
struct eap_sim_pseudonym *p, *prev;
struct eap_sim_reauth *r, *prevr;
struct eap_sim_db_pending *pending, *prev_pending;
eap_sim_db_close_socket(data);
VM_FREE(data->fname);
p = data->pseudonyms;
while (p) {
prev = p;
p = p->next;
eap_sim_db_free_pseudonym(prev);
}
r = data->reauths;
while (r) {
prevr = r;
r = r->next;
eap_sim_db_free_reauth(prevr);
}
pending = data->pending;
while (pending) {
prev_pending = pending;
pending = pending->next;
VM_FREE(prev_pending);
}
VM_FREE(data);
}
/**
* eap_sim_db_init - Initialize EAP-SIM DB / authentication gateway interface
* @config: Configuration data (e.g., file name)
* @get_complete_cb: Callback function for reporting availability of triplets
* @ctx: Context pointer for get_complete_cb
* Returns: Pointer to a private data structure or %NULL on failure
*/
void * eap_sim_db_init(const char *config,
void (*get_complete_cb)(void *ctx, void *session_ctx),
void *ctx)
{
struct eap_sim_db_data *data;
data = wpa_zalloc(sizeof(*data));
if (data == NULL)
return NULL;
data->sock = -1;
data->get_complete_cb = get_complete_cb;
data->ctx = ctx;
data->fname = VM_STRDUP(config);
if (data->fname == NULL)
goto fail;
if (strncmp(data->fname, "unix:", 5) == 0) {
if (eap_sim_db_open_socket(data))
goto fail;
}
return data;
fail:
eap_sim_db_close_socket(data);
VM_FREE(data->fname);
VM_FREE(data);
return NULL;
}
/**
* eap_sim_db_init - Initialize EAP-SIM DB / authentication gateway interface
* @config: Configuration data (e.g., file name)
* @db_timeout: Database lookup timeout
* @get_complete_cb: Callback function for reporting availability of triplets
* @ctx: Context pointer for get_complete_cb
* Returns: Pointer to a private data structure or %NULL on failure
*/
struct eap_sim_db_data *
eap_sim_db_init(const char *config, unsigned int db_timeout,
void (*get_complete_cb)(void *ctx, void *session_ctx),
void *ctx)
{
struct eap_sim_db_data *data;
char *pos;
data = os_zalloc(sizeof(*data));
if (data == NULL)
return NULL;
data->sock = -1;
data->get_complete_cb = get_complete_cb;
data->ctx = ctx;
data->eap_sim_db_timeout = db_timeout;
data->fname = os_strdup(config);
if (data->fname == NULL)
goto fail;
pos = os_strstr(data->fname, " db=");
if (pos) {
*pos = '\0';
#ifdef CONFIG_SQLITE
pos += 4;
data->sqlite_db = db_open(pos);
if (data->sqlite_db == NULL)
goto fail;
#endif /* CONFIG_SQLITE */
}
if (os_strncmp(data->fname, "unix:", 5) == 0) {
if (eap_sim_db_open_socket(data)) {
wpa_printf(MSG_DEBUG, "EAP-SIM DB: External database "
"connection not available - will retry "
"later");
}
}
return data;
fail:
eap_sim_db_close_socket(data);
os_free(data->fname);
os_free(data);
return NULL;
}
/**
* eap_sim_db_deinit - Deinitialize EAP-SIM DB/authentication gw interface
* @priv: Private data pointer from eap_sim_db_init()
*/
void eap_sim_db_deinit(void *priv)
{
struct eap_sim_db_data *data = priv;
struct eap_sim_pseudonym *p, *prev;
struct eap_sim_reauth *r, *prevr;
struct eap_sim_db_pending *pending, *prev_pending;
#ifdef CONFIG_SQLITE
if (data->sqlite_db) {
sqlite3_close(data->sqlite_db);
data->sqlite_db = NULL;
}
#endif /* CONFIG_SQLITE */
eap_sim_db_close_socket(data);
os_free(data->fname);
p = data->pseudonyms;
while (p) {
prev = p;
p = p->next;
eap_sim_db_free_pseudonym(prev);
}
r = data->reauths;
while (r) {
prevr = r;
r = r->next;
eap_sim_db_free_reauth(prevr);
}
pending = data->pending;
while (pending) {
prev_pending = pending;
pending = pending->next;
eap_sim_db_free_pending(data, prev_pending);
}
os_free(data);
}