/* 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); }