radare2/libr/fs/p/fs_posix.c

150 lines
3.1 KiB
C

/* radare - LGPL - Copyright 2011-2017 - pancake */
#include <r_fs.h>
#include <r_lib.h>
#include <sys/stat.h>
#ifdef _MSC_VER
#define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
#define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
#define MAXPATHLEN 255
#endif
static RFSFile* fs_posix_open(RFSRoot *root, const char *path, bool create) {
FILE *fd;
RFSFile *file = r_fs_file_new (root, path);
if (!file) {
return NULL;
}
file->ptr = NULL;
file->p = root->p;
fd = r_sandbox_fopen (path, create? "wb": "rb");
if (fd) {
fseek (fd, 0, SEEK_END);
file->size = ftell (fd);
fclose (fd);
} else {
r_fs_file_free (file);
file = NULL;
}
return file;
}
static bool fs_posix_read(RFSFile *file, ut64 addr, int len) {
free (file->data);
file->data = (void*)r_file_slurp_range (file->name, 0, len, NULL);
return false;
}
static void fs_posix_close(RFSFile *file) {
//fclose (file->ptr);
}
static RList *fs_posix_dir(RFSRoot *root, const char *path, int view /*ignored*/) {
RList *list;
char fullpath[4096];
struct stat st;
#if __WINDOWS__
WIN32_FIND_DATAW entry;
HANDLE fh;
wchar_t *wcpath;
char *wctocbuff;
wchar_t directory[MAX_PATH];
#else
struct dirent *de;
DIR *dir;
#endif
list = r_list_new ();
if (!list) {
return NULL;
}
#if __WINDOWS__
wcpath = r_utf8_to_utf16 (path);
if (!wcpath) {
return NULL;
}
swprintf (directory, _countof (directory), L"%ls\\*.*", wcpath);
fh = FindFirstFileW (directory, &entry);
if (fh == INVALID_HANDLE_VALUE) {
free (wcpath);
return NULL;
}
do {
if ((wctocbuff = r_utf16_to_utf8 (entry.cFileName))) {
RFSFile *fsf = r_fs_file_new (NULL, wctocbuff);
if (!fsf) {
r_list_free (list);
FindClose (fh);
return NULL;
}
fsf->type = 'f';
snprintf (fullpath, sizeof (fullpath)-1, "%s/%s", path, wctocbuff);
if (!stat (fullpath, &st)) {
fsf->type = S_ISDIR (st.st_mode)?'d':'f';
fsf->time = st.st_atime;
} else {
fsf->type = 'f';
fsf->time = 0;
}
r_list_append (list, fsf);
free (wctocbuff);
}
} while (FindNextFileW (fh, &entry));
FindClose (fh);
#else
dir = opendir (path);
if (!dir) {
r_list_free (list);
return NULL;
}
while ((de = readdir (dir))) {
RFSFile *fsf = r_fs_file_new (NULL, de->d_name);
if (!fsf) {
r_list_free (list);
closedir (dir);
return NULL;
}
fsf->type = 'f';
snprintf (fullpath, sizeof (fullpath)-1, "%s/%s", path, de->d_name);
if (!stat (fullpath, &st)) {
fsf->type = S_ISDIR (st.st_mode)?'d':'f';
fsf->time = st.st_atime;
} else {
fsf->type = 'f';
fsf->time = 0;
}
r_list_append (list, fsf);
}
closedir (dir);
#endif
return list;
}
static int fs_posix_mount(RFSRoot *root) {
root->ptr = NULL; // XXX: TODO
return true;
}
static void fs_posix_umount(RFSRoot *root) {
root->ptr = NULL;
}
RFSPlugin r_fs_plugin_posix = {
.name = "posix",
.desc = "POSIX filesystem",
.license = "MIT",
.open = fs_posix_open,
.read = fs_posix_read,
.close = fs_posix_close,
.dir = &fs_posix_dir,
.mount = fs_posix_mount,
.umount = fs_posix_umount,
};
#ifndef R2_PLUGIN_INCORE
R_API RLibStruct radare_plugin = {
.type = R_LIB_TYPE_FS,
.data = &r_fs_plugin_posix,
.version = R2_VERSION
};
#endif