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Diffstat (limited to 'source4/libcli/clilist.c')
-rw-r--r-- | source4/libcli/clilist.c | 348 |
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); +} |