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/* libguestfs - the guestfsd daemon
* Copyright (C) 2009 Red Hat Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <dirent.h>
#include "daemon.h"
#include "actions.h"
static void
free_int_dirent_list (guestfs_int_dirent *p, size_t len)
{
size_t i;
for (i = 0; i < len; ++i) {
free (p[i].name);
}
free (p);
}
guestfs_int_dirent_list *
do_readdir (const char *path)
{
guestfs_int_dirent_list *ret;
guestfs_int_dirent v;
DIR *dir;
struct dirent *d;
size_t i;
ret = malloc (sizeof *ret);
if (ret == NULL) {
reply_with_perror ("malloc");
return NULL;
}
ret->guestfs_int_dirent_list_len = 0;
ret->guestfs_int_dirent_list_val = NULL;
CHROOT_IN;
dir = opendir (path);
CHROOT_OUT;
if (dir == NULL) {
reply_with_perror ("opendir: %s", path);
free (ret);
return NULL;
}
i = 0;
while ((d = readdir (dir)) != NULL) {
guestfs_int_dirent *p;
p = realloc (ret->guestfs_int_dirent_list_val,
sizeof (guestfs_int_dirent) * (i+1));
v.name = strdup (d->d_name);
if (!p || !v.name) {
reply_with_perror ("allocate");
if (p) {
free_int_dirent_list (p, i);
} else {
free_int_dirent_list (ret->guestfs_int_dirent_list_val, i);
}
free (v.name);
free (ret);
closedir (dir);
return NULL;
}
ret->guestfs_int_dirent_list_val = p;
v.ino = d->d_ino;
#ifdef HAVE_STRUCT_DIRENT_D_TYPE
switch (d->d_type) {
case DT_BLK: v.ftyp = 'b'; break;
case DT_CHR: v.ftyp = 'c'; break;
case DT_DIR: v.ftyp = 'd'; break;
case DT_FIFO: v.ftyp = 'f'; break;
case DT_LNK: v.ftyp = 'l'; break;
case DT_REG: v.ftyp = 'r'; break;
case DT_SOCK: v.ftyp = 's'; break;
case DT_UNKNOWN: v.ftyp = 'u'; break;
default: v.ftyp = '?'; break;
}
#else
v.ftyp = 'u';
#endif
ret->guestfs_int_dirent_list_val[i] = v;
i++;
}
ret->guestfs_int_dirent_list_len = i;
if (closedir (dir) == -1) {
reply_with_perror ("closedir");
free (ret->guestfs_int_dirent_list_val);
free (ret);
return NULL;
}
return ret;
}
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