/*
return filesystem space info
*/
static NTSTATUS svfs_fsinfo(struct ntvfs_module_context *ntvfs,
struct ntvfs_request *req, union smb_fsinfo *fs)
{
struct svfs_private *p = ntvfs->private_data;
struct stat st;
if (fs->generic.level != RAW_QFS_GENERIC) {
return ntvfs_map_fsinfo(ntvfs, req, fs);
}
if (sys_fsusage(p->connectpath,
&fs->generic.out.blocks_free,
&fs->generic.out.blocks_total) == -1) {
return map_nt_error_from_unix(errno);
}
fs->generic.out.block_size = 512;
if (stat(p->connectpath, &st) != 0) {
return NT_STATUS_DISK_CORRUPT_ERROR;
}
fs->generic.out.fs_id = st.st_ino;
unix_to_nt_time(&fs->generic.out.create_time, st.st_ctime);
fs->generic.out.serial_number = st.st_ino;
fs->generic.out.fs_attr = 0;
fs->generic.out.max_file_component_length = 255;
fs->generic.out.device_type = 0;
fs->generic.out.device_characteristics = 0;
fs->generic.out.quota_soft = 0;
fs->generic.out.quota_hard = 0;
fs->generic.out.quota_flags = 0;
fs->generic.out.volume_name = talloc_strdup(req, ntvfs->ctx->config->name);
fs->generic.out.fs_type = ntvfs->ctx->fs_type;
return NT_STATUS_OK;
}
SMB_BIG_UINT sys_disk_free(connection_struct *conn, const char *path, bool small_query,
SMB_BIG_UINT *bsize,SMB_BIG_UINT *dfree,SMB_BIG_UINT *dsize)
{
SMB_BIG_UINT dfree_retval;
SMB_BIG_UINT dfree_q = 0;
SMB_BIG_UINT bsize_q = 0;
SMB_BIG_UINT dsize_q = 0;
const char *dfree_command;
(*dfree) = (*dsize) = 0;
(*bsize) = 512;
/*
* If external disk calculation specified, use it.
*/
dfree_command = lp_dfree_command(SNUM(conn));
if (dfree_command && *dfree_command) {
const char *p;
char **lines = NULL;
char *syscmd = NULL;
syscmd = talloc_asprintf(talloc_tos(),
"%s %s",
dfree_command,
path);
if (!syscmd) {
return (SMB_BIG_UINT)-1;
}
DEBUG (3, ("disk_free: Running command %s\n", syscmd));
lines = file_lines_pload(syscmd, NULL);
if (lines) {
char *line = lines[0];
DEBUG (3, ("Read input from dfree, \"%s\"\n", line));
*dsize = STR_TO_SMB_BIG_UINT(line, &p);
while (p && *p && isspace(*p))
p++;
if (p && *p)
*dfree = STR_TO_SMB_BIG_UINT(p, &p);
while (p && *p && isspace(*p))
p++;
if (p && *p)
*bsize = STR_TO_SMB_BIG_UINT(p, NULL);
else
*bsize = 1024;
file_lines_free(lines);
DEBUG (3, ("Parsed output of dfree, dsize=%u, dfree=%u, bsize=%u\n",
(unsigned int)*dsize, (unsigned int)*dfree, (unsigned int)*bsize));
if (!*dsize)
*dsize = 2048;
if (!*dfree)
*dfree = 1024;
} else {
DEBUG (0, ("disk_free: sys_popen() failed for command %s. Error was : %s\n",
syscmd, strerror(errno) ));
if (sys_fsusage(path, dfree, dsize) != 0) {
DEBUG (0, ("disk_free: sys_fsusage() failed. Error was : %s\n",
strerror(errno) ));
return (SMB_BIG_UINT)-1;
}
}
} else {
if (sys_fsusage(path, dfree, dsize) != 0) {
DEBUG (0, ("disk_free: sys_fsusage() failed. Error was : %s\n",
strerror(errno) ));
return (SMB_BIG_UINT)-1;
}
}
if (disk_quotas(path, &bsize_q, &dfree_q, &dsize_q)) {
(*bsize) = bsize_q;
(*dfree) = MIN(*dfree,dfree_q);
(*dsize) = MIN(*dsize,dsize_q);
}
/* FIXME : Any reason for this assumption ? */
if (*bsize < 256) {
DEBUG(5,("disk_free:Warning: bsize == %d < 256 . Changing to assumed correct bsize = 512\n",(int)*bsize));
*bsize = 512;
}
if ((*dsize)<1) {
static bool done = false;
if (!done) {
DEBUG(0,("WARNING: dfree is broken on this system\n"));
done=true;
}
*dsize = 20*1024*1024/(*bsize);
*dfree = MAX(1,*dfree);
}
disk_norm(small_query,bsize,dfree,dsize);
if ((*bsize) < 1024) {
dfree_retval = (*dfree)/(1024/(*bsize));
} else {
dfree_retval = ((*bsize)/1024)*(*dfree);
}
return(dfree_retval);
}
