radare2/libr/io/plugin.c

113 lines
2.7 KiB
C

/* radare - LGPL - Copyright 2008-2014 - pancake */
/* TODO: write li->fds setter/getter helpers */
// TODO: return true/false everywhere,, not -1 or 0
// TODO: use RList here
#include "r_io.h"
#include "../config.h"
#include "list.h"
#include <stdio.h>
volatile static RIOPlugin *DEFAULT = NULL;
static RIOPlugin *io_static_plugins[] =
{ R_IO_STATIC_PLUGINS };
R_API int r_io_plugin_add(RIO *io, RIOPlugin *plugin) {
struct r_io_list_t *li;
if (!plugin || !plugin->name)
return R_FALSE;
li = R_NEW (struct r_io_list_t);
if (li == NULL)
return R_FALSE;
li->plugin = plugin;
list_add_tail (&(li->list), &(io->io_list));
return R_TRUE;
}
R_API int r_io_plugin_init(RIO *io) {
RIOPlugin *static_plugin;
int i;
INIT_LIST_HEAD (&io->io_list);
for (i=0; io_static_plugins[i]; i++) {
if (!io_static_plugins[i]->name)
continue;
static_plugin = R_NEW (RIOPlugin);
// memory leak here: static_plugin never freed
memcpy (static_plugin, io_static_plugins[i], sizeof (RIOPlugin));
if (!strncmp (static_plugin->name, "default", 7)) {
if (DEFAULT) free ((void*)DEFAULT);
DEFAULT = static_plugin;
continue;
}
r_io_plugin_add (io, static_plugin);
}
return R_TRUE;
}
R_API RIOPlugin *r_io_plugin_get_default(RIO *io, const char *filename, ut8 many) {
if (!DEFAULT ||
!DEFAULT->plugin_open ||
!DEFAULT->plugin_open (io, filename, many) ) return NULL;
return (RIOPlugin*) DEFAULT;
}
R_API RIOPlugin *r_io_plugin_resolve(RIO *io, const char *filename, ut8 many) {
struct list_head *pos = NULL;
list_for_each_prev (pos, &io->io_list) {
struct r_io_list_t *il = list_entry (pos, struct r_io_list_t, list);
if (il->plugin == NULL)
continue;
if (il->plugin->plugin_open == NULL)
continue;
if (il->plugin->plugin_open (io, filename, many))
return il->plugin;
}
return NULL;
}
R_API int r_io_plugin_open(RIO *io, int fd, RIOPlugin *plugin) {
#if 0
int i=0;
struct list_head *pos;
list_for_each_prev(pos, &io->io_list) {
struct r_io_list_t *il = list_entry(pos, struct r_io_list_t, list);
if (plugin == il->plugin) {
for(i=0;i<R_IO_NFDS;i++) {
if (il->plugin->fds[i] == -1) {
il->plugin->fds[i] = fd;
return 0;
}
}
return -1;
}
}
return -1;
#endif
return R_FALSE;
}
R_API int r_io_plugin_close(RIO *io, int fd, RIOPlugin *plugin) {
return R_FALSE;
}
// TODO: must return an r_iter ator
R_API int r_io_plugin_list(RIO *io) {
int n = 0;
struct list_head *pos;
io->printf ("IO plugins:\n");
list_for_each_prev (pos, &io->io_list) {
struct r_io_list_t *il = list_entry (pos, struct r_io_list_t, list);
io->printf (" - %s\n", il->plugin->name);
n++;
}
return n;
}
R_API int r_io_plugin_generate(RIO *io) {
//TODO
return -1;
}