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#include <stdlib.h>
#include <string.h>
#include "iface_internal.h"
#include "context_internal.h"
#include "debug.h"
struct sepol_iface {
/* Interface name */
char *name;
/* Interface context */
sepol_context_t *netif_con;
/* Message context */
sepol_context_t *netmsg_con;
};
struct sepol_iface_key {
/* Interface name */
const char *name;
};
/* Key */
int sepol_iface_key_create(sepol_handle_t * handle,
const char *name, sepol_iface_key_t ** key_ptr)
{
sepol_iface_key_t *tmp_key =
(sepol_iface_key_t *) malloc(sizeof(sepol_iface_key_t));
if (!tmp_key) {
ERR(handle, "out of memory, could not create interface key");
return STATUS_ERR;
}
tmp_key->name = name;
*key_ptr = tmp_key;
return STATUS_SUCCESS;
}
hidden_def(sepol_iface_key_create)
void sepol_iface_key_unpack(const sepol_iface_key_t * key, const char **name)
{
*name = key->name;
}
hidden_def(sepol_iface_key_unpack)
int sepol_iface_key_extract(sepol_handle_t * handle,
const sepol_iface_t * iface,
sepol_iface_key_t ** key_ptr)
{
if (sepol_iface_key_create(handle, iface->name, key_ptr) < 0) {
ERR(handle, "could not extract key from "
"interface %s", iface->name);
return STATUS_ERR;
}
return STATUS_SUCCESS;
}
void sepol_iface_key_free(sepol_iface_key_t * key)
{
free(key);
}
int sepol_iface_compare(const sepol_iface_t * iface,
const sepol_iface_key_t * key)
{
return strcmp(iface->name, key->name);
}
int sepol_iface_compare2(const sepol_iface_t * iface,
const sepol_iface_t * iface2)
{
return strcmp(iface->name, iface2->name);
}
/* Create */
int sepol_iface_create(sepol_handle_t * handle, sepol_iface_t ** iface)
{
sepol_iface_t *tmp_iface =
(sepol_iface_t *) malloc(sizeof(sepol_iface_t));
if (!tmp_iface) {
ERR(handle, "out of memory, could not create "
"interface record");
return STATUS_ERR;
}
tmp_iface->name = NULL;
tmp_iface->netif_con = NULL;
tmp_iface->netmsg_con = NULL;
*iface = tmp_iface;
return STATUS_SUCCESS;
}
hidden_def(sepol_iface_create)
/* Name */
const char *sepol_iface_get_name(const sepol_iface_t * iface)
{
return iface->name;
}
hidden_def(sepol_iface_get_name)
int sepol_iface_set_name(sepol_handle_t * handle,
sepol_iface_t * iface, const char *name)
{
char *tmp_name = strdup(name);
if (!tmp_name) {
ERR(handle, "out of memory, " "could not set interface name");
return STATUS_ERR;
}
free(iface->name);
iface->name = tmp_name;
return STATUS_SUCCESS;
}
hidden_def(sepol_iface_set_name)
/* Interface Context */
sepol_context_t *sepol_iface_get_ifcon(const sepol_iface_t * iface)
{
return iface->netif_con;
}
hidden_def(sepol_iface_get_ifcon)
int sepol_iface_set_ifcon(sepol_handle_t * handle,
sepol_iface_t * iface, sepol_context_t * con)
{
sepol_context_t *newcon;
if (sepol_context_clone(handle, con, &newcon) < 0) {
ERR(handle, "out of memory, could not set interface context");
return STATUS_ERR;
}
sepol_context_free(iface->netif_con);
iface->netif_con = newcon;
return STATUS_SUCCESS;
}
hidden_def(sepol_iface_set_ifcon)
/* Message Context */
sepol_context_t *sepol_iface_get_msgcon(const sepol_iface_t * iface)
{
return iface->netmsg_con;
}
hidden_def(sepol_iface_get_msgcon)
int sepol_iface_set_msgcon(sepol_handle_t * handle,
sepol_iface_t * iface, sepol_context_t * con)
{
sepol_context_t *newcon;
if (sepol_context_clone(handle, con, &newcon) < 0) {
ERR(handle, "out of memory, could not set message context");
return STATUS_ERR;
}
sepol_context_free(iface->netmsg_con);
iface->netmsg_con = newcon;
return STATUS_SUCCESS;
}
hidden_def(sepol_iface_set_msgcon)
/* Deep copy clone */
int sepol_iface_clone(sepol_handle_t * handle,
const sepol_iface_t * iface, sepol_iface_t ** iface_ptr)
{
sepol_iface_t *new_iface = NULL;
if (sepol_iface_create(handle, &new_iface) < 0)
goto err;
if (sepol_iface_set_name(handle, new_iface, iface->name) < 0)
goto err;
if (iface->netif_con &&
(sepol_context_clone
(handle, iface->netif_con, &new_iface->netif_con) < 0))
goto err;
if (iface->netmsg_con &&
(sepol_context_clone
(handle, iface->netmsg_con, &new_iface->netmsg_con) < 0))
goto err;
*iface_ptr = new_iface;
return STATUS_SUCCESS;
err:
ERR(handle, "could not clone interface record");
sepol_iface_free(new_iface);
return STATUS_ERR;
}
/* Destroy */
void sepol_iface_free(sepol_iface_t * iface)
{
if (!iface)
return;
free(iface->name);
sepol_context_free(iface->netif_con);
sepol_context_free(iface->netmsg_con);
free(iface);
}
hidden_def(sepol_iface_free)
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