diff options
Diffstat (limited to 'source4/libcli/smb2/util.c')
| -rw-r--r-- | source4/libcli/smb2/util.c | 200 |
1 files changed, 200 insertions, 0 deletions
diff --git a/source4/libcli/smb2/util.c b/source4/libcli/smb2/util.c new file mode 100644 index 0000000000..9eb344e83f --- /dev/null +++ b/source4/libcli/smb2/util.c @@ -0,0 +1,200 @@ +/* + Unix SMB/CIFS implementation. + + SMB2 client utility functions + + Copyright (C) Andrew Tridgell 2005 + + 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/raw/libcliraw.h" +#include "libcli/raw/raw_proto.h" +#include "libcli/smb2/smb2.h" +#include "libcli/smb2/smb2_calls.h" +#include "libcli/smb_composite/smb_composite.h" + +/* + simple close wrapper with SMB2 +*/ +NTSTATUS smb2_util_close(struct smb2_tree *tree, struct smb2_handle h) +{ + struct smb2_close c; + + ZERO_STRUCT(c); + c.in.file.handle = h; + + return smb2_close(tree, &c); +} + +/* + unlink a file with SMB2 +*/ +NTSTATUS smb2_util_unlink(struct smb2_tree *tree, const char *fname) +{ + union smb_unlink io; + + ZERO_STRUCT(io); + io.unlink.in.pattern = fname; + + return smb2_composite_unlink(tree, &io); +} + + +/* + rmdir with SMB2 +*/ +NTSTATUS smb2_util_rmdir(struct smb2_tree *tree, const char *dname) +{ + struct smb_rmdir io; + + ZERO_STRUCT(io); + io.in.path = dname; + + return smb2_composite_rmdir(tree, &io); +} + + +/* + mkdir with SMB2 +*/ +NTSTATUS smb2_util_mkdir(struct smb2_tree *tree, const char *dname) +{ + union smb_mkdir io; + + ZERO_STRUCT(io); + io.mkdir.level = RAW_MKDIR_MKDIR; + io.mkdir.in.path = dname; + + return smb2_composite_mkdir(tree, &io); +} + + +/* + set file attribute with SMB2 +*/ +NTSTATUS smb2_util_setatr(struct smb2_tree *tree, const char *name, uint32_t attrib) +{ + union smb_setfileinfo io; + + ZERO_STRUCT(io); + io.basic_info.level = RAW_SFILEINFO_BASIC_INFORMATION; + io.basic_info.in.file.path = name; + io.basic_info.in.attrib = attrib; + + return smb2_composite_setpathinfo(tree, &io); +} + + + + +/* + recursively descend a tree deleting all files + returns the number of files deleted, or -1 on error +*/ +int smb2_deltree(struct smb2_tree *tree, const char *dname) +{ + NTSTATUS status; + uint32_t total_deleted = 0; + uint_t count, i; + union smb_search_data *list; + TALLOC_CTX *tmp_ctx = talloc_new(tree); + struct smb2_find f; + struct smb2_create create_parm; + + /* it might be a file */ + status = smb2_util_unlink(tree, dname); + if (NT_STATUS_IS_OK(status)) { + talloc_free(tmp_ctx); + return 1; + } + if (NT_STATUS_EQUAL(status, NT_STATUS_OBJECT_NAME_NOT_FOUND) || + NT_STATUS_EQUAL(status, NT_STATUS_OBJECT_PATH_NOT_FOUND) || + NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_FILE)) { + talloc_free(tmp_ctx); + return 0; + } + + ZERO_STRUCT(create_parm); + create_parm.in.desired_access = SEC_FLAG_MAXIMUM_ALLOWED; + create_parm.in.share_access = + NTCREATEX_SHARE_ACCESS_READ| + NTCREATEX_SHARE_ACCESS_WRITE; + create_parm.in.create_options = NTCREATEX_OPTIONS_DIRECTORY; + create_parm.in.create_disposition = NTCREATEX_DISP_OPEN; + create_parm.in.fname = dname; + + status = smb2_create(tree, tmp_ctx, &create_parm); + if (NT_STATUS_IS_ERR(status)) { + DEBUG(2,("Failed to open %s - %s\n", dname, nt_errstr(status))); + talloc_free(tmp_ctx); + return -1; + } + + + ZERO_STRUCT(f); + f.in.file.handle = create_parm.out.file.handle; + f.in.max_response_size = 0x10000; + f.in.level = SMB2_FIND_NAME_INFO; + f.in.pattern = "*"; + + status = smb2_find_level(tree, tmp_ctx, &f, &count, &list); + if (NT_STATUS_IS_ERR(status)) { + DEBUG(2,("Failed to list %s - %s\n", + dname, nt_errstr(status))); + smb2_util_close(tree, create_parm.out.file.handle); + talloc_free(tmp_ctx); + return -1; + } + + for (i=0;i<count;i++) { + char *name; + if (strcmp(".", list[i].name_info.name.s) == 0 || + strcmp("..", list[i].name_info.name.s) == 0) { + continue; + } + name = talloc_asprintf(tmp_ctx, "%s\\%s", dname, list[i].name_info.name.s); + status = smb2_util_unlink(tree, name); + if (NT_STATUS_EQUAL(status, NT_STATUS_CANNOT_DELETE)) { + /* it could be read-only */ + status = smb2_util_setatr(tree, name, FILE_ATTRIBUTE_NORMAL); + status = smb2_util_unlink(tree, name); + } + + if (NT_STATUS_EQUAL(status, NT_STATUS_FILE_IS_A_DIRECTORY)) { + int ret; + ret = smb2_deltree(tree, name); + if (ret > 0) total_deleted += ret; + } + talloc_free(name); + if (NT_STATUS_IS_OK(status)) { + total_deleted++; + } + } + + smb2_util_close(tree, create_parm.out.file.handle); + + status = smb2_util_rmdir(tree, dname); + if (NT_STATUS_IS_ERR(status)) { + DEBUG(2,("Failed to delete %s - %s\n", + dname, nt_errstr(status))); + talloc_free(tmp_ctx); + return -1; + } + + talloc_free(tmp_ctx); + + return total_deleted; +} |