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-rw-r--r--source4/libcli/clilist.c348
1 files changed, 348 insertions, 0 deletions
diff --git a/source4/libcli/clilist.c b/source4/libcli/clilist.c
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+++ b/source4/libcli/clilist.c
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+/*
+ 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_data, const union smb_search_data *file)
+{
+ struct search_private *state = (struct search_private*) private_data;
+ 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 max_matches = 512;
+ char *mask;
+ int ff_eos = 0, i;
+ 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_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_eos = next_parms.t2fnext.out.end_of_search;
+ received = next_parms.t2fnext.out.count;
+ if (received <= 0) break;
+ if (ff_eos) break;
+ }
+ }
+
+ 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_data, const union smb_search_data *file)
+{
+ struct search_private *state = (struct search_private*) private_data;
+ 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;
+ 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;
+ }
+ }
+
+ 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);
+}
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