Adding upstream version 2:4.17.12+dfsg.upstream/2%4.17.12+dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 348 insertions, 0 deletions

diff --git a/source4/libcli/clilist.c b/source4/libcli/clilist.c
new file mode 100644
index 0000000..eb9199d
--- /dev/null
+++ b/source4/libcli/clilist.c
@@ -0,0 +1,348 @@
+/* 
+   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);
+}