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samba-mirror/source4/libcli/clilist.c
2008-04-02 04:53:27 +02:00

357 lines
10 KiB
C

/*
Unix SMB/CIFS implementation.
client directory list routines
Copyright (C) Andrew Tridgell 1994-2003
Copyright (C) James Myers 2003 <myersjj@samba.org>
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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
#include "libcli/libcli.h"
#include "libcli/raw/libcliraw.h"
#include "libcli/raw/raw_proto.h"
struct search_private {
struct clilist_file_info *dirlist;
TALLOC_CTX *mem_ctx;
int dirlist_len;
int ff_searchcount; /* total received in 1 server trip */
int total_received; /* total received all together */
enum smb_search_data_level data_level;
const char *last_name; /* used to continue trans2 search */
struct smb_search_id id; /* used for old-style search */
};
/****************************************************************************
Interpret a long filename structure.
****************************************************************************/
static bool interpret_long_filename(enum smb_search_data_level level,
const union smb_search_data *info,
struct clilist_file_info *finfo)
{
struct clilist_file_info finfo2;
if (!finfo) finfo = &finfo2;
ZERO_STRUCTP(finfo);
switch (level) {
case RAW_SEARCH_DATA_STANDARD:
finfo->size = info->standard.size;
finfo->mtime = info->standard.write_time;
finfo->attrib = info->standard.attrib;
finfo->name = info->standard.name.s;
finfo->short_name = info->standard.name.s;
break;
case RAW_SEARCH_DATA_BOTH_DIRECTORY_INFO:
finfo->size = info->both_directory_info.size;
finfo->mtime = nt_time_to_unix(info->both_directory_info.write_time);
finfo->attrib = info->both_directory_info.attrib;
finfo->short_name = info->both_directory_info.short_name.s;
finfo->name = info->both_directory_info.name.s;
break;
default:
DEBUG(0,("Unhandled level %d in interpret_long_filename\n", (int)level));
return false;
}
return true;
}
/* callback function used for trans2 search */
static bool smbcli_list_new_callback(void *private, const union smb_search_data *file)
{
struct search_private *state = (struct search_private*) private;
struct clilist_file_info *tdl;
/* add file info to the dirlist pool */
tdl = talloc_realloc(state,
state->dirlist,
struct clilist_file_info,
state->dirlist_len + 1);
if (!tdl) {
return false;
}
state->dirlist = tdl;
state->dirlist_len++;
interpret_long_filename(state->data_level, file, &state->dirlist[state->total_received]);
state->last_name = state->dirlist[state->total_received].name;
state->total_received++;
state->ff_searchcount++;
return true;
}
int smbcli_list_new(struct smbcli_tree *tree, const char *Mask, uint16_t attribute,
enum smb_search_data_level level,
void (*fn)(struct clilist_file_info *, const char *, void *),
void *caller_state)
{
union smb_search_first first_parms;
union smb_search_next next_parms;
struct search_private state; /* for callbacks */
int received = 0;
bool first = true;
int num_received = 0;
int max_matches = 512;
char *mask;
int ff_eos = 0, i, ff_searchcount;
int ff_dir_handle=0;
/* initialize state for search */
state.mem_ctx = talloc_init("smbcli_list_new");
state.dirlist_len = 0;
state.total_received = 0;
state.dirlist = talloc_array(state.mem_ctx,
struct clilist_file_info, 0);
mask = talloc_strdup(state.mem_ctx, Mask);
if (level == RAW_SEARCH_DATA_GENERIC) {
if (tree->session->transport->negotiate.capabilities & CAP_NT_SMBS) {
level = RAW_SEARCH_DATA_BOTH_DIRECTORY_INFO;
} else {
level = RAW_SEARCH_DATA_STANDARD;
}
}
state.data_level = level;
while (1) {
state.ff_searchcount = 0;
if (first) {
NTSTATUS status;
first_parms.t2ffirst.level = RAW_SEARCH_TRANS2;
first_parms.t2ffirst.data_level = state.data_level;
first_parms.t2ffirst.in.max_count = max_matches;
first_parms.t2ffirst.in.search_attrib = attribute;
first_parms.t2ffirst.in.pattern = mask;
first_parms.t2ffirst.in.flags = FLAG_TRANS2_FIND_CLOSE_IF_END;
first_parms.t2ffirst.in.storage_type = 0;
status = smb_raw_search_first(tree,
state.mem_ctx, &first_parms,
(void*)&state, smbcli_list_new_callback);
if (!NT_STATUS_IS_OK(status)) {
talloc_free(state.mem_ctx);
return -1;
}
ff_dir_handle = first_parms.t2ffirst.out.handle;
ff_searchcount = first_parms.t2ffirst.out.count;
ff_eos = first_parms.t2ffirst.out.end_of_search;
received = first_parms.t2ffirst.out.count;
if (received <= 0) break;
if (ff_eos) break;
first = false;
} else {
NTSTATUS status;
next_parms.t2fnext.level = RAW_SEARCH_TRANS2;
next_parms.t2fnext.data_level = state.data_level;
next_parms.t2fnext.in.max_count = max_matches;
next_parms.t2fnext.in.last_name = state.last_name;
next_parms.t2fnext.in.handle = ff_dir_handle;
next_parms.t2fnext.in.resume_key = 0;
next_parms.t2fnext.in.flags = FLAG_TRANS2_FIND_CLOSE_IF_END;
status = smb_raw_search_next(tree,
state.mem_ctx,
&next_parms,
(void*)&state,
smbcli_list_new_callback);
if (!NT_STATUS_IS_OK(status)) {
return -1;
}
ff_searchcount = next_parms.t2fnext.out.count;
ff_eos = next_parms.t2fnext.out.end_of_search;
received = next_parms.t2fnext.out.count;
if (received <= 0) break;
if (ff_eos) break;
}
num_received += received;
}
for (i=0;i<state.total_received;i++) {
fn(&state.dirlist[i], Mask, caller_state);
}
talloc_free(state.mem_ctx);
return state.total_received;
}
/****************************************************************************
Interpret a short filename structure.
The length of the structure is returned.
****************************************************************************/
static bool interpret_short_filename(enum smb_search_data_level level,
const union smb_search_data *info,
struct clilist_file_info *finfo)
{
struct clilist_file_info finfo2;
if (!finfo) finfo = &finfo2;
ZERO_STRUCTP(finfo);
switch (level) {
case RAW_SEARCH_DATA_SEARCH:
finfo->mtime = info->search.write_time;
finfo->size = info->search.size;
finfo->attrib = info->search.attrib;
finfo->name = info->search.name;
finfo->short_name = info->search.name;
break;
default:
DEBUG(0,("Unhandled level %d in interpret_short_filename\n", (int)level));
return false;
}
return true;
}
/* callback function used for smb_search */
static bool smbcli_list_old_callback(void *private, const union smb_search_data *file)
{
struct search_private *state = (struct search_private*) private;
struct clilist_file_info *tdl;
/* add file info to the dirlist pool */
tdl = talloc_realloc(state,
state->dirlist,
struct clilist_file_info,
state->dirlist_len + 1);
if (!tdl) {
return false;
}
state->dirlist = tdl;
state->dirlist_len++;
interpret_short_filename(state->data_level, file, &state->dirlist[state->total_received]);
state->total_received++;
state->ff_searchcount++;
state->id = file->search.id; /* return resume info */
return true;
}
int smbcli_list_old(struct smbcli_tree *tree, const char *Mask, uint16_t attribute,
void (*fn)(struct clilist_file_info *, const char *, void *),
void *caller_state)
{
union smb_search_first first_parms;
union smb_search_next next_parms;
struct search_private state; /* for callbacks */
const int num_asked = 500;
int received = 0;
bool first = true;
int num_received = 0;
char *mask;
int i;
/* initialize state for search */
state.mem_ctx = talloc_init("smbcli_list_old");
state.dirlist_len = 0;
state.total_received = 0;
state.data_level = RAW_SEARCH_DATA_SEARCH;
state.dirlist = talloc_array(state.mem_ctx, struct clilist_file_info,
0);
mask = talloc_strdup(state.mem_ctx, Mask);
while (1) {
state.ff_searchcount = 0;
if (first) {
NTSTATUS status;
first_parms.search_first.level = RAW_SEARCH_SEARCH;
first_parms.search_first.data_level = RAW_SEARCH_DATA_SEARCH;
first_parms.search_first.in.max_count = num_asked;
first_parms.search_first.in.search_attrib = attribute;
first_parms.search_first.in.pattern = mask;
status = smb_raw_search_first(tree, state.mem_ctx,
&first_parms,
(void*)&state,
smbcli_list_old_callback);
if (!NT_STATUS_IS_OK(status)) {
talloc_free(state.mem_ctx);
return -1;
}
received = first_parms.search_first.out.count;
if (received <= 0) break;
first = false;
} else {
NTSTATUS status;
next_parms.search_next.level = RAW_SEARCH_SEARCH;
next_parms.search_next.data_level = RAW_SEARCH_DATA_SEARCH;
next_parms.search_next.in.max_count = num_asked;
next_parms.search_next.in.search_attrib = attribute;
next_parms.search_next.in.id = state.id;
status = smb_raw_search_next(tree, state.mem_ctx,
&next_parms,
(void*)&state,
smbcli_list_old_callback);
if (NT_STATUS_EQUAL(status, STATUS_NO_MORE_FILES)) {
break;
}
if (!NT_STATUS_IS_OK(status)) {
talloc_free(state.mem_ctx);
return -1;
}
received = next_parms.search_next.out.count;
if (received <= 0) break;
}
num_received += received;
}
for (i=0;i<state.total_received;i++) {
fn(&state.dirlist[i], Mask, caller_state);
}
talloc_free(state.mem_ctx);
return state.total_received;
}
/****************************************************************************
Do a directory listing, calling fn on each file found.
This auto-switches between old and new style.
****************************************************************************/
int smbcli_list(struct smbcli_tree *tree, const char *Mask,uint16_t attribute,
void (*fn)(struct clilist_file_info *, const char *, void *), void *state)
{
if (tree->session->transport->negotiate.protocol <= PROTOCOL_LANMAN1)
return smbcli_list_old(tree, Mask, attribute, fn, state);
return smbcli_list_new(tree, Mask, attribute, RAW_SEARCH_DATA_GENERIC, fn, state);
}