| 1 | /*
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| 2 | Unix SMB/Netbios implementation.
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| 3 | SMB client library implementation
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| 4 | Copyright (C) Andrew Tridgell 1998
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| 5 | Copyright (C) Richard Sharpe 2000, 2002
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| 6 | Copyright (C) John Terpstra 2000
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| 7 | Copyright (C) Tom Jansen (Ninja ISD) 2002
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| 8 | Copyright (C) Derrell Lipman 2003-2008
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| 9 | Copyright (C) Jeremy Allison 2007, 2008
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| 10 |
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| 11 | This program is free software; you can redistribute it and/or modify
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| 12 | it under the terms of the GNU General Public License as published by
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| 13 | the Free Software Foundation; either version 3 of the License, or
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| 14 | (at your option) any later version.
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| 15 |
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| 16 | This program is distributed in the hope that it will be useful,
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| 17 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 18 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 19 | GNU General Public License for more details.
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| 20 |
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| 21 | You should have received a copy of the GNU General Public License
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| 22 | along with this program. If not, see <http://www.gnu.org/licenses/>.
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| 23 | */
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| 24 |
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| 25 | #include "includes.h"
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| 26 | #include "libsmb/libsmb.h"
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| 27 | #include "libsmbclient.h"
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| 28 | #include "libsmb_internal.h"
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| 29 |
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| 30 |
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| 31 | /*
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| 32 | * Routine to open() a file ...
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| 33 | */
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| 34 |
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| 35 | SMBCFILE *
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| 36 | SMBC_open_ctx(SMBCCTX *context,
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| 37 | const char *fname,
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| 38 | int flags,
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| 39 | mode_t mode)
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| 40 | {
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| 41 | char *server = NULL;
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| 42 | char *share = NULL;
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| 43 | char *user = NULL;
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| 44 | char *password = NULL;
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| 45 | char *workgroup = NULL;
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| 46 | char *path = NULL;
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| 47 | char *targetpath = NULL;
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| 48 | struct cli_state *targetcli = NULL;
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| 49 | SMBCSRV *srv = NULL;
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| 50 | SMBCFILE *file = NULL;
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| 51 | uint16_t fd;
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| 52 | NTSTATUS status = NT_STATUS_OBJECT_PATH_INVALID;
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| 53 | TALLOC_CTX *frame = talloc_stackframe();
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| 54 |
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| 55 | if (!context || !context->internal->initialized) {
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| 56 | errno = EINVAL; /* Best I can think of ... */
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| 57 | TALLOC_FREE(frame);
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| 58 | return NULL;
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| 59 | }
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| 60 |
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| 61 | if (!fname) {
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| 62 | errno = EINVAL;
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| 63 | TALLOC_FREE(frame);
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| 64 | return NULL;
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| 65 | }
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| 66 |
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| 67 | if (SMBC_parse_path(frame,
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| 68 | context,
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| 69 | fname,
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| 70 | &workgroup,
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| 71 | &server,
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| 72 | &share,
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| 73 | &path,
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| 74 | &user,
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| 75 | &password,
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| 76 | NULL)) {
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| 77 | errno = EINVAL;
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| 78 | TALLOC_FREE(frame);
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| 79 | return NULL;
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| 80 | }
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| 81 |
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| 82 | if (!user || user[0] == (char)0) {
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| 83 | user = talloc_strdup(frame, smbc_getUser(context));
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| 84 | if (!user) {
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| 85 | errno = ENOMEM;
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| 86 | TALLOC_FREE(frame);
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| 87 | return NULL;
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| 88 | }
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| 89 | }
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| 90 |
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| 91 | srv = SMBC_server(frame, context, True,
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| 92 | server, share, &workgroup, &user, &password);
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| 93 | if (!srv) {
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| 94 | if (errno == EPERM) errno = EACCES;
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| 95 | TALLOC_FREE(frame);
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| 96 | return NULL; /* SMBC_server sets errno */
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| 97 | }
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| 98 |
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| 99 | /* Hmmm, the test for a directory is suspect here ... FIXME */
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| 100 |
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| 101 | if (strlen(path) > 0 && path[strlen(path) - 1] == '\\') {
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| 102 | status = NT_STATUS_OBJECT_PATH_INVALID;
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| 103 | } else {
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| 104 | file = SMB_MALLOC_P(SMBCFILE);
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| 105 | if (!file) {
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| 106 | errno = ENOMEM;
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| 107 | TALLOC_FREE(frame);
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| 108 | return NULL;
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| 109 | }
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| 110 |
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| 111 | ZERO_STRUCTP(file);
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| 112 |
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| 113 | /*d_printf(">>>open: resolving %s\n", path);*/
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| 114 | if (!cli_resolve_path(frame, "", context->internal->auth_info,
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| 115 | srv->cli, path,
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| 116 | &targetcli, &targetpath)) {
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| 117 | d_printf("Could not resolve %s\n", path);
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| 118 | errno = ENOENT;
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| 119 | SAFE_FREE(file);
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| 120 | TALLOC_FREE(frame);
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| 121 | return NULL;
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| 122 | }
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| 123 | /*d_printf(">>>open: resolved %s as %s\n", path, targetpath);*/
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| 124 |
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| 125 | status = cli_open(targetcli, targetpath, flags,
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| 126 | context->internal->share_mode, &fd);
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| 127 | if (!NT_STATUS_IS_OK(status)) {
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| 128 |
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| 129 | /* Handle the error ... */
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| 130 |
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| 131 | SAFE_FREE(file);
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| 132 | errno = SMBC_errno(context, targetcli);
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| 133 | TALLOC_FREE(frame);
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| 134 | return NULL;
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| 135 | }
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| 136 |
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| 137 | /* Fill in file struct */
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| 138 |
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| 139 | file->cli_fd = fd;
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| 140 | file->fname = SMB_STRDUP(fname);
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| 141 | file->srv = srv;
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| 142 | file->offset = 0;
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| 143 | file->file = True;
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| 144 |
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| 145 | DLIST_ADD(context->internal->files, file);
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| 146 |
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| 147 | /*
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| 148 | * If the file was opened in O_APPEND mode, all write
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| 149 | * operations should be appended to the file. To do that,
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| 150 | * though, using this protocol, would require a getattrE()
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| 151 | * call for each and every write, to determine where the end
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| 152 | * of the file is. (There does not appear to be an append flag
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| 153 | * in the protocol.) Rather than add all of that overhead of
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| 154 | * retrieving the current end-of-file offset prior to each
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| 155 | * write operation, we'll assume that most append operations
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| 156 | * will continuously write, so we'll just set the offset to
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| 157 | * the end of the file now and hope that's adequate.
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| 158 | *
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| 159 | * Note to self: If this proves inadequate, and O_APPEND
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| 160 | * should, in some cases, be forced for each write, add a
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| 161 | * field in the context options structure, for
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| 162 | * "strict_append_mode" which would select between the current
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| 163 | * behavior (if FALSE) or issuing a getattrE() prior to each
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| 164 | * write and forcing the write to the end of the file (if
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| 165 | * TRUE). Adding that capability will likely require adding
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| 166 | * an "append" flag into the _SMBCFILE structure to track
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| 167 | * whether a file was opened in O_APPEND mode. -- djl
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| 168 | */
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| 169 | if (flags & O_APPEND) {
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| 170 | if (SMBC_lseek_ctx(context, file, 0, SEEK_END) < 0) {
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| 171 | (void) SMBC_close_ctx(context, file);
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| 172 | errno = ENXIO;
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| 173 | TALLOC_FREE(frame);
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| 174 | return NULL;
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| 175 | }
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| 176 | }
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| 177 |
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| 178 | TALLOC_FREE(frame);
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| 179 | return file;
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| 180 | }
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| 181 |
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| 182 | /* Check if opendir needed ... */
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| 183 |
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| 184 | if (!NT_STATUS_IS_OK(status)) {
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| 185 | int eno = 0;
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| 186 |
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| 187 | eno = SMBC_errno(context, srv->cli);
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| 188 | file = smbc_getFunctionOpendir(context)(context, fname);
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| 189 | if (!file) errno = eno;
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| 190 | TALLOC_FREE(frame);
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| 191 | return file;
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| 192 | }
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| 193 |
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| 194 | errno = EINVAL; /* FIXME, correct errno ? */
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| 195 | TALLOC_FREE(frame);
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| 196 | return NULL;
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| 197 | }
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| 198 |
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| 199 | /*
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| 200 | * Routine to create a file
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| 201 | */
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| 202 |
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| 203 | SMBCFILE *
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| 204 | SMBC_creat_ctx(SMBCCTX *context,
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| 205 | const char *path,
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| 206 | mode_t mode)
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| 207 | {
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| 208 | if (!context || !context->internal->initialized) {
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| 209 | errno = EINVAL;
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| 210 | return NULL;
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| 211 | }
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| 212 |
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| 213 | return SMBC_open_ctx(context, path,
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| 214 | O_WRONLY | O_CREAT | O_TRUNC, mode);
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| 215 | }
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| 216 |
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| 217 | /*
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| 218 | * Routine to read() a file ...
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| 219 | */
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| 220 |
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| 221 | ssize_t
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| 222 | SMBC_read_ctx(SMBCCTX *context,
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| 223 | SMBCFILE *file,
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| 224 | void *buf,
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| 225 | size_t count)
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| 226 | {
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| 227 | int ret;
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| 228 | char *server = NULL, *share = NULL, *user = NULL, *password = NULL;
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| 229 | char *path = NULL;
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| 230 | char *targetpath = NULL;
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| 231 | struct cli_state *targetcli = NULL;
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| 232 | TALLOC_CTX *frame = talloc_stackframe();
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| 233 |
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| 234 | /*
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| 235 | * offset:
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| 236 | *
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| 237 | * Compiler bug (possibly) -- gcc (GCC) 3.3.5 (Debian 1:3.3.5-2) --
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| 238 | * appears to pass file->offset (which is type off_t) differently than
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| 239 | * a local variable of type off_t. Using local variable "offset" in
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| 240 | * the call to cli_read() instead of file->offset fixes a problem
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| 241 | * retrieving data at an offset greater than 4GB.
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| 242 | */
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| 243 | off_t offset;
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| 244 |
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| 245 | if (!context || !context->internal->initialized) {
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| 246 | errno = EINVAL;
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| 247 | TALLOC_FREE(frame);
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| 248 | return -1;
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| 249 | }
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| 250 |
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| 251 | DEBUG(4, ("smbc_read(%p, %d)\n", file, (int)count));
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| 252 |
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| 253 | if (!file || !SMBC_dlist_contains(context->internal->files, file)) {
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| 254 | errno = EBADF;
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| 255 | TALLOC_FREE(frame);
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| 256 | return -1;
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| 257 | }
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| 258 |
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| 259 | offset = file->offset;
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| 260 |
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| 261 | /* Check that the buffer exists ... */
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| 262 |
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| 263 | if (buf == NULL) {
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| 264 | errno = EINVAL;
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| 265 | TALLOC_FREE(frame);
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| 266 | return -1;
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| 267 | }
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| 268 |
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| 269 | /*d_printf(">>>read: parsing %s\n", file->fname);*/
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| 270 | if (SMBC_parse_path(frame,
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| 271 | context,
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| 272 | file->fname,
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| 273 | NULL,
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| 274 | &server,
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| 275 | &share,
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| 276 | &path,
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| 277 | &user,
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| 278 | &password,
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| 279 | NULL)) {
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| 280 | errno = EINVAL;
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| 281 | TALLOC_FREE(frame);
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| 282 | return -1;
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| 283 | }
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| 284 |
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| 285 | /*d_printf(">>>read: resolving %s\n", path);*/
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| 286 | if (!cli_resolve_path(frame, "", context->internal->auth_info,
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| 287 | file->srv->cli, path,
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| 288 | &targetcli, &targetpath)) {
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| 289 | d_printf("Could not resolve %s\n", path);
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| 290 | errno = ENOENT;
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| 291 | TALLOC_FREE(frame);
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| 292 | return -1;
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| 293 | }
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| 294 | /*d_printf(">>>fstat: resolved path as %s\n", targetpath);*/
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| 295 |
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| 296 | ret = cli_read(targetcli, file->cli_fd, (char *)buf, offset, count);
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| 297 |
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| 298 | if (ret < 0) {
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| 299 | errno = SMBC_errno(context, targetcli);
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| 300 | TALLOC_FREE(frame);
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| 301 | return -1;
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| 302 | }
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| 303 |
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| 304 | file->offset += ret;
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| 305 |
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| 306 | DEBUG(4, (" --> %d\n", ret));
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| 307 |
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| 308 | TALLOC_FREE(frame);
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| 309 | return ret; /* Success, ret bytes of data ... */
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| 310 | }
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| 311 |
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| 312 | /*
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| 313 | * Routine to write() a file ...
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| 314 | */
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| 315 |
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| 316 | ssize_t
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| 317 | SMBC_write_ctx(SMBCCTX *context,
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| 318 | SMBCFILE *file,
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| 319 | const void *buf,
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| 320 | size_t count)
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| 321 | {
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| 322 | off_t offset;
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| 323 | char *server = NULL, *share = NULL, *user = NULL, *password = NULL;
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| 324 | char *path = NULL;
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| 325 | char *targetpath = NULL;
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| 326 | struct cli_state *targetcli = NULL;
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| 327 | TALLOC_CTX *frame = talloc_stackframe();
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| 328 | NTSTATUS status;
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| 329 |
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| 330 | /* First check all pointers before dereferencing them */
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| 331 |
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| 332 | if (!context || !context->internal->initialized) {
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| 333 | errno = EINVAL;
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| 334 | TALLOC_FREE(frame);
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| 335 | return -1;
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| 336 | }
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| 337 |
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| 338 | if (!file || !SMBC_dlist_contains(context->internal->files, file)) {
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| 339 | errno = EBADF;
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| 340 | TALLOC_FREE(frame);
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| 341 | return -1;
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| 342 | }
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| 343 |
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| 344 | /* Check that the buffer exists ... */
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| 345 |
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| 346 | if (buf == NULL) {
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| 347 | errno = EINVAL;
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| 348 | TALLOC_FREE(frame);
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| 349 | return -1;
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| 350 | }
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| 351 |
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| 352 | offset = file->offset; /* See "offset" comment in SMBC_read_ctx() */
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| 353 |
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| 354 | /*d_printf(">>>write: parsing %s\n", file->fname);*/
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| 355 | if (SMBC_parse_path(frame,
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| 356 | context,
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| 357 | file->fname,
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| 358 | NULL,
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| 359 | &server,
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| 360 | &share,
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| 361 | &path,
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| 362 | &user,
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| 363 | &password,
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| 364 | NULL)) {
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| 365 | errno = EINVAL;
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| 366 | TALLOC_FREE(frame);
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| 367 | return -1;
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| 368 | }
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| 369 |
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| 370 | /*d_printf(">>>write: resolving %s\n", path);*/
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| 371 | if (!cli_resolve_path(frame, "", context->internal->auth_info,
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| 372 | file->srv->cli, path,
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| 373 | &targetcli, &targetpath)) {
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| 374 | d_printf("Could not resolve %s\n", path);
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| 375 | errno = ENOENT;
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| 376 | TALLOC_FREE(frame);
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| 377 | return -1;
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| 378 | }
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| 379 | /*d_printf(">>>write: resolved path as %s\n", targetpath);*/
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| 380 |
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| 381 | status = cli_writeall(targetcli, file->cli_fd,
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| 382 | 0, (uint8_t *)buf, offset, count, NULL);
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| 383 | if (!NT_STATUS_IS_OK(status)) {
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| 384 | errno = map_errno_from_nt_status(status);
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| 385 | TALLOC_FREE(frame);
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| 386 | return -1;
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| 387 | }
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| 388 |
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| 389 | file->offset += count;
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| 390 |
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| 391 | TALLOC_FREE(frame);
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| 392 | return count; /* Success, 0 bytes of data ... */
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| 393 | }
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| 394 |
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| 395 | /*
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| 396 | * Routine to close() a file ...
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| 397 | */
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| 398 |
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| 399 | int
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| 400 | SMBC_close_ctx(SMBCCTX *context,
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| 401 | SMBCFILE *file)
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| 402 | {
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| 403 | SMBCSRV *srv;
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| 404 | char *server = NULL, *share = NULL, *user = NULL, *password = NULL;
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| 405 | char *path = NULL;
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| 406 | char *targetpath = NULL;
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| 407 | struct cli_state *targetcli = NULL;
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| 408 | TALLOC_CTX *frame = talloc_stackframe();
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| 409 |
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| 410 | if (!context || !context->internal->initialized) {
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| 411 | errno = EINVAL;
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| 412 | TALLOC_FREE(frame);
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| 413 | return -1;
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| 414 | }
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| 415 |
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| 416 | if (!file || !SMBC_dlist_contains(context->internal->files, file)) {
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| 417 | errno = EBADF;
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| 418 | TALLOC_FREE(frame);
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| 419 | return -1;
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| 420 | }
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| 421 |
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| 422 | /* IS a dir ... */
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| 423 | if (!file->file) {
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| 424 | TALLOC_FREE(frame);
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| 425 | return smbc_getFunctionClosedir(context)(context, file);
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| 426 | }
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| 427 |
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| 428 | /*d_printf(">>>close: parsing %s\n", file->fname);*/
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| 429 | if (SMBC_parse_path(frame,
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| 430 | context,
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| 431 | file->fname,
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| 432 | NULL,
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| 433 | &server,
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| 434 | &share,
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| 435 | &path,
|
|---|
| 436 | &user,
|
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| 437 | &password,
|
|---|
| 438 | NULL)) {
|
|---|
| 439 | errno = EINVAL;
|
|---|
| 440 | TALLOC_FREE(frame);
|
|---|
| 441 | return -1;
|
|---|
| 442 | }
|
|---|
| 443 |
|
|---|
| 444 | /*d_printf(">>>close: resolving %s\n", path);*/
|
|---|
| 445 | if (!cli_resolve_path(frame, "", context->internal->auth_info,
|
|---|
| 446 | file->srv->cli, path,
|
|---|
| 447 | &targetcli, &targetpath)) {
|
|---|
| 448 | d_printf("Could not resolve %s\n", path);
|
|---|
| 449 | errno = ENOENT;
|
|---|
| 450 | TALLOC_FREE(frame);
|
|---|
| 451 | return -1;
|
|---|
| 452 | }
|
|---|
| 453 | /*d_printf(">>>close: resolved path as %s\n", targetpath);*/
|
|---|
| 454 |
|
|---|
| 455 | if (!NT_STATUS_IS_OK(cli_close(targetcli, file->cli_fd))) {
|
|---|
| 456 | DEBUG(3, ("cli_close failed on %s. purging server.\n",
|
|---|
| 457 | file->fname));
|
|---|
| 458 | /* Deallocate slot and remove the server
|
|---|
| 459 | * from the server cache if unused */
|
|---|
| 460 | errno = SMBC_errno(context, targetcli);
|
|---|
| 461 | srv = file->srv;
|
|---|
| 462 | DLIST_REMOVE(context->internal->files, file);
|
|---|
| 463 | SAFE_FREE(file->fname);
|
|---|
| 464 | SAFE_FREE(file);
|
|---|
| 465 | smbc_getFunctionRemoveUnusedServer(context)(context, srv);
|
|---|
| 466 | TALLOC_FREE(frame);
|
|---|
| 467 | return -1;
|
|---|
| 468 | }
|
|---|
| 469 |
|
|---|
| 470 | DLIST_REMOVE(context->internal->files, file);
|
|---|
| 471 | SAFE_FREE(file->fname);
|
|---|
| 472 | SAFE_FREE(file);
|
|---|
| 473 | TALLOC_FREE(frame);
|
|---|
| 474 | return 0;
|
|---|
| 475 | }
|
|---|
| 476 |
|
|---|
| 477 | /*
|
|---|
| 478 | * Get info from an SMB server on a file. Use a qpathinfo call first
|
|---|
| 479 | * and if that fails, use getatr, as Win95 sometimes refuses qpathinfo
|
|---|
| 480 | */
|
|---|
| 481 | bool
|
|---|
| 482 | SMBC_getatr(SMBCCTX * context,
|
|---|
| 483 | SMBCSRV *srv,
|
|---|
| 484 | char *path,
|
|---|
| 485 | uint16 *mode,
|
|---|
| 486 | SMB_OFF_T *size,
|
|---|
| 487 | struct timespec *create_time_ts,
|
|---|
| 488 | struct timespec *access_time_ts,
|
|---|
| 489 | struct timespec *write_time_ts,
|
|---|
| 490 | struct timespec *change_time_ts,
|
|---|
| 491 | SMB_INO_T *ino)
|
|---|
| 492 | {
|
|---|
| 493 | char *fixedpath = NULL;
|
|---|
| 494 | char *targetpath = NULL;
|
|---|
| 495 | struct cli_state *targetcli = NULL;
|
|---|
| 496 | time_t write_time;
|
|---|
| 497 | TALLOC_CTX *frame = talloc_stackframe();
|
|---|
| 498 |
|
|---|
| 499 | if (!context || !context->internal->initialized) {
|
|---|
| 500 | errno = EINVAL;
|
|---|
| 501 | TALLOC_FREE(frame);
|
|---|
| 502 | return False;
|
|---|
| 503 | }
|
|---|
| 504 |
|
|---|
| 505 | /* path fixup for . and .. */
|
|---|
| 506 | if (strequal(path, ".") || strequal(path, "..")) {
|
|---|
| 507 | fixedpath = talloc_strdup(frame, "\\");
|
|---|
| 508 | if (!fixedpath) {
|
|---|
| 509 | errno = ENOMEM;
|
|---|
| 510 | TALLOC_FREE(frame);
|
|---|
| 511 | return False;
|
|---|
| 512 | }
|
|---|
| 513 | } else {
|
|---|
| 514 | fixedpath = talloc_strdup(frame, path);
|
|---|
| 515 | if (!fixedpath) {
|
|---|
| 516 | errno = ENOMEM;
|
|---|
| 517 | TALLOC_FREE(frame);
|
|---|
| 518 | return False;
|
|---|
| 519 | }
|
|---|
| 520 | trim_string(fixedpath, NULL, "\\..");
|
|---|
| 521 | trim_string(fixedpath, NULL, "\\.");
|
|---|
| 522 | }
|
|---|
| 523 | DEBUG(4,("SMBC_getatr: sending qpathinfo\n"));
|
|---|
| 524 |
|
|---|
| 525 | if (!cli_resolve_path(frame, "", context->internal->auth_info,
|
|---|
| 526 | srv->cli, fixedpath,
|
|---|
| 527 | &targetcli, &targetpath)) {
|
|---|
| 528 | d_printf("Couldn't resolve %s\n", path);
|
|---|
| 529 | errno = ENOENT;
|
|---|
| 530 | TALLOC_FREE(frame);
|
|---|
| 531 | return False;
|
|---|
| 532 | }
|
|---|
| 533 |
|
|---|
| 534 | if (!srv->no_pathinfo2 &&
|
|---|
| 535 | NT_STATUS_IS_OK(cli_qpathinfo2(targetcli, targetpath,
|
|---|
| 536 | create_time_ts,
|
|---|
| 537 | access_time_ts,
|
|---|
| 538 | write_time_ts,
|
|---|
| 539 | change_time_ts,
|
|---|
| 540 | size, mode, ino))) {
|
|---|
| 541 | TALLOC_FREE(frame);
|
|---|
| 542 | return True;
|
|---|
| 543 | }
|
|---|
| 544 |
|
|---|
| 545 | /* if this is NT then don't bother with the getatr */
|
|---|
| 546 | if (targetcli->capabilities & CAP_NT_SMBS) {
|
|---|
| 547 | errno = EPERM;
|
|---|
| 548 | TALLOC_FREE(frame);
|
|---|
| 549 | return False;
|
|---|
| 550 | }
|
|---|
| 551 |
|
|---|
| 552 | if (NT_STATUS_IS_OK(cli_getatr(targetcli, targetpath, mode, size, &write_time))) {
|
|---|
| 553 | struct timespec w_time_ts;
|
|---|
| 554 |
|
|---|
| 555 | w_time_ts = convert_time_t_to_timespec(write_time);
|
|---|
| 556 | if (write_time_ts != NULL) {
|
|---|
| 557 | *write_time_ts = w_time_ts;
|
|---|
| 558 | }
|
|---|
| 559 | if (create_time_ts != NULL) {
|
|---|
| 560 | *create_time_ts = w_time_ts;
|
|---|
| 561 | }
|
|---|
| 562 | if (access_time_ts != NULL) {
|
|---|
| 563 | *access_time_ts = w_time_ts;
|
|---|
| 564 | }
|
|---|
| 565 | if (change_time_ts != NULL) {
|
|---|
| 566 | *change_time_ts = w_time_ts;
|
|---|
| 567 | }
|
|---|
| 568 | srv->no_pathinfo2 = True;
|
|---|
| 569 | TALLOC_FREE(frame);
|
|---|
| 570 | return True;
|
|---|
| 571 | }
|
|---|
| 572 |
|
|---|
| 573 | errno = EPERM;
|
|---|
| 574 | TALLOC_FREE(frame);
|
|---|
| 575 | return False;
|
|---|
| 576 | }
|
|---|
| 577 |
|
|---|
| 578 | /*
|
|---|
| 579 | * Set file info on an SMB server. Use setpathinfo call first. If that
|
|---|
| 580 | * fails, use setattrE..
|
|---|
| 581 | *
|
|---|
| 582 | * Access and modification time parameters are always used and must be
|
|---|
| 583 | * provided. Create time, if zero, will be determined from the actual create
|
|---|
| 584 | * time of the file. If non-zero, the create time will be set as well.
|
|---|
| 585 | *
|
|---|
| 586 | * "mode" (attributes) parameter may be set to -1 if it is not to be set.
|
|---|
| 587 | */
|
|---|
| 588 | bool
|
|---|
| 589 | SMBC_setatr(SMBCCTX * context, SMBCSRV *srv, char *path,
|
|---|
| 590 | time_t create_time,
|
|---|
| 591 | time_t access_time,
|
|---|
| 592 | time_t write_time,
|
|---|
| 593 | time_t change_time,
|
|---|
| 594 | uint16 mode)
|
|---|
| 595 | {
|
|---|
| 596 | uint16_t fd;
|
|---|
| 597 | int ret;
|
|---|
| 598 | TALLOC_CTX *frame = talloc_stackframe();
|
|---|
| 599 |
|
|---|
| 600 | /*
|
|---|
| 601 | * First, try setpathinfo (if qpathinfo succeeded), for it is the
|
|---|
| 602 | * modern function for "new code" to be using, and it works given a
|
|---|
| 603 | * filename rather than requiring that the file be opened to have its
|
|---|
| 604 | * attributes manipulated.
|
|---|
| 605 | */
|
|---|
| 606 | if (srv->no_pathinfo ||
|
|---|
| 607 | !NT_STATUS_IS_OK(cli_setpathinfo_basic(srv->cli, path,
|
|---|
| 608 | create_time,
|
|---|
| 609 | access_time,
|
|---|
| 610 | write_time,
|
|---|
| 611 | change_time,
|
|---|
| 612 | mode))) {
|
|---|
| 613 |
|
|---|
| 614 | /*
|
|---|
| 615 | * setpathinfo is not supported; go to plan B.
|
|---|
| 616 | *
|
|---|
| 617 | * cli_setatr() does not work on win98, and it also doesn't
|
|---|
| 618 | * support setting the access time (only the modification
|
|---|
| 619 | * time), so in all cases, we open the specified file and use
|
|---|
| 620 | * cli_setattrE() which should work on all OS versions, and
|
|---|
| 621 | * supports both times.
|
|---|
| 622 | */
|
|---|
| 623 |
|
|---|
| 624 | /* Don't try {q,set}pathinfo() again, with this server */
|
|---|
| 625 | srv->no_pathinfo = True;
|
|---|
| 626 |
|
|---|
| 627 | /* Open the file */
|
|---|
| 628 | if (!NT_STATUS_IS_OK(cli_open(srv->cli, path, O_RDWR, DENY_NONE, &fd))) {
|
|---|
| 629 | errno = SMBC_errno(context, srv->cli);
|
|---|
| 630 | TALLOC_FREE(frame);
|
|---|
| 631 | return -1;
|
|---|
| 632 | }
|
|---|
| 633 |
|
|---|
| 634 | /* Set the new attributes */
|
|---|
| 635 | ret = NT_STATUS_IS_OK(cli_setattrE(srv->cli, fd,
|
|---|
| 636 | change_time,
|
|---|
| 637 | access_time,
|
|---|
| 638 | write_time));
|
|---|
| 639 |
|
|---|
| 640 | /* Close the file */
|
|---|
| 641 | cli_close(srv->cli, fd);
|
|---|
| 642 |
|
|---|
| 643 | /*
|
|---|
| 644 | * Unfortunately, setattrE() doesn't have a provision for
|
|---|
| 645 | * setting the access mode (attributes). We'll have to try
|
|---|
| 646 | * cli_setatr() for that, and with only this parameter, it
|
|---|
| 647 | * seems to work on win98.
|
|---|
| 648 | */
|
|---|
| 649 | if (ret && mode != (uint16) -1) {
|
|---|
| 650 | ret = NT_STATUS_IS_OK(cli_setatr(srv->cli, path, mode, 0));
|
|---|
| 651 | }
|
|---|
| 652 |
|
|---|
| 653 | if (! ret) {
|
|---|
| 654 | errno = SMBC_errno(context, srv->cli);
|
|---|
| 655 | TALLOC_FREE(frame);
|
|---|
| 656 | return False;
|
|---|
| 657 | }
|
|---|
| 658 | }
|
|---|
| 659 |
|
|---|
| 660 | TALLOC_FREE(frame);
|
|---|
| 661 | return True;
|
|---|
| 662 | }
|
|---|
| 663 |
|
|---|
| 664 | /*
|
|---|
| 665 | * A routine to lseek() a file
|
|---|
| 666 | */
|
|---|
| 667 |
|
|---|
| 668 | off_t
|
|---|
| 669 | SMBC_lseek_ctx(SMBCCTX *context,
|
|---|
| 670 | SMBCFILE *file,
|
|---|
| 671 | off_t offset,
|
|---|
| 672 | int whence)
|
|---|
| 673 | {
|
|---|
| 674 | SMB_OFF_T size;
|
|---|
| 675 | char *server = NULL, *share = NULL, *user = NULL, *password = NULL;
|
|---|
| 676 | char *path = NULL;
|
|---|
| 677 | char *targetpath = NULL;
|
|---|
| 678 | struct cli_state *targetcli = NULL;
|
|---|
| 679 | TALLOC_CTX *frame = talloc_stackframe();
|
|---|
| 680 |
|
|---|
| 681 | if (!context || !context->internal->initialized) {
|
|---|
| 682 | errno = EINVAL;
|
|---|
| 683 | TALLOC_FREE(frame);
|
|---|
| 684 | return -1;
|
|---|
| 685 | }
|
|---|
| 686 |
|
|---|
| 687 | if (!file || !SMBC_dlist_contains(context->internal->files, file)) {
|
|---|
| 688 | errno = EBADF;
|
|---|
| 689 | TALLOC_FREE(frame);
|
|---|
| 690 | return -1;
|
|---|
| 691 | }
|
|---|
| 692 |
|
|---|
| 693 | if (!file->file) {
|
|---|
| 694 | errno = EINVAL;
|
|---|
| 695 | TALLOC_FREE(frame);
|
|---|
| 696 | return -1; /* Can't lseek a dir ... */
|
|---|
| 697 | }
|
|---|
| 698 |
|
|---|
| 699 | switch (whence) {
|
|---|
| 700 | case SEEK_SET:
|
|---|
| 701 | file->offset = offset;
|
|---|
| 702 | break;
|
|---|
| 703 | case SEEK_CUR:
|
|---|
| 704 | file->offset += offset;
|
|---|
| 705 | break;
|
|---|
| 706 | case SEEK_END:
|
|---|
| 707 | /*d_printf(">>>lseek: parsing %s\n", file->fname);*/
|
|---|
| 708 | if (SMBC_parse_path(frame,
|
|---|
| 709 | context,
|
|---|
| 710 | file->fname,
|
|---|
| 711 | NULL,
|
|---|
| 712 | &server,
|
|---|
| 713 | &share,
|
|---|
| 714 | &path,
|
|---|
| 715 | &user,
|
|---|
| 716 | &password,
|
|---|
| 717 | NULL)) {
|
|---|
| 718 | errno = EINVAL;
|
|---|
| 719 | TALLOC_FREE(frame);
|
|---|
| 720 | return -1;
|
|---|
| 721 | }
|
|---|
| 722 |
|
|---|
| 723 | /*d_printf(">>>lseek: resolving %s\n", path);*/
|
|---|
| 724 | if (!cli_resolve_path(frame, "", context->internal->auth_info,
|
|---|
| 725 | file->srv->cli, path,
|
|---|
| 726 | &targetcli, &targetpath)) {
|
|---|
| 727 | d_printf("Could not resolve %s\n", path);
|
|---|
| 728 | errno = ENOENT;
|
|---|
| 729 | TALLOC_FREE(frame);
|
|---|
| 730 | return -1;
|
|---|
| 731 | }
|
|---|
| 732 |
|
|---|
| 733 | /*d_printf(">>>lseek: resolved path as %s\n", targetpath);*/
|
|---|
| 734 | if (!NT_STATUS_IS_OK(cli_qfileinfo_basic(
|
|---|
| 735 | targetcli, file->cli_fd, NULL,
|
|---|
| 736 | &size, NULL, NULL, NULL, NULL,
|
|---|
| 737 | NULL))) {
|
|---|
| 738 | SMB_OFF_T b_size = size;
|
|---|
| 739 | if (!NT_STATUS_IS_OK(cli_getattrE(targetcli, file->cli_fd,
|
|---|
| 740 | NULL, &b_size, NULL, NULL, NULL))) {
|
|---|
| 741 | errno = EINVAL;
|
|---|
| 742 | TALLOC_FREE(frame);
|
|---|
| 743 | return -1;
|
|---|
| 744 | } else
|
|---|
| 745 | size = b_size;
|
|---|
| 746 | }
|
|---|
| 747 | file->offset = size + offset;
|
|---|
| 748 | break;
|
|---|
| 749 | default:
|
|---|
| 750 | errno = EINVAL;
|
|---|
| 751 | break;
|
|---|
| 752 | }
|
|---|
| 753 |
|
|---|
| 754 | TALLOC_FREE(frame);
|
|---|
| 755 | return file->offset;
|
|---|
| 756 | }
|
|---|
| 757 |
|
|---|
| 758 |
|
|---|
| 759 | /*
|
|---|
| 760 | * Routine to truncate a file given by its file descriptor, to a specified size
|
|---|
| 761 | */
|
|---|
| 762 |
|
|---|
| 763 | int
|
|---|
| 764 | SMBC_ftruncate_ctx(SMBCCTX *context,
|
|---|
| 765 | SMBCFILE *file,
|
|---|
| 766 | off_t length)
|
|---|
| 767 | {
|
|---|
| 768 | SMB_OFF_T size = length;
|
|---|
| 769 | char *server = NULL;
|
|---|
| 770 | char *share = NULL;
|
|---|
| 771 | char *user = NULL;
|
|---|
| 772 | char *password = NULL;
|
|---|
| 773 | char *path = NULL;
|
|---|
| 774 | char *targetpath = NULL;
|
|---|
| 775 | struct cli_state *targetcli = NULL;
|
|---|
| 776 | TALLOC_CTX *frame = talloc_stackframe();
|
|---|
| 777 |
|
|---|
| 778 | if (!context || !context->internal->initialized) {
|
|---|
| 779 | errno = EINVAL;
|
|---|
| 780 | TALLOC_FREE(frame);
|
|---|
| 781 | return -1;
|
|---|
| 782 | }
|
|---|
| 783 |
|
|---|
| 784 | if (!file || !SMBC_dlist_contains(context->internal->files, file)) {
|
|---|
| 785 | errno = EBADF;
|
|---|
| 786 | TALLOC_FREE(frame);
|
|---|
| 787 | return -1;
|
|---|
| 788 | }
|
|---|
| 789 |
|
|---|
| 790 | if (!file->file) {
|
|---|
| 791 | errno = EINVAL;
|
|---|
| 792 | TALLOC_FREE(frame);
|
|---|
| 793 | return -1;
|
|---|
| 794 | }
|
|---|
| 795 |
|
|---|
| 796 | /*d_printf(">>>fstat: parsing %s\n", file->fname);*/
|
|---|
| 797 | if (SMBC_parse_path(frame,
|
|---|
| 798 | context,
|
|---|
| 799 | file->fname,
|
|---|
| 800 | NULL,
|
|---|
| 801 | &server,
|
|---|
| 802 | &share,
|
|---|
| 803 | &path,
|
|---|
| 804 | &user,
|
|---|
| 805 | &password,
|
|---|
| 806 | NULL)) {
|
|---|
| 807 | errno = EINVAL;
|
|---|
| 808 | TALLOC_FREE(frame);
|
|---|
| 809 | return -1;
|
|---|
| 810 | }
|
|---|
| 811 |
|
|---|
| 812 | /*d_printf(">>>fstat: resolving %s\n", path);*/
|
|---|
| 813 | if (!cli_resolve_path(frame, "", context->internal->auth_info,
|
|---|
| 814 | file->srv->cli, path,
|
|---|
| 815 | &targetcli, &targetpath)) {
|
|---|
| 816 | d_printf("Could not resolve %s\n", path);
|
|---|
| 817 | errno = ENOENT;
|
|---|
| 818 | TALLOC_FREE(frame);
|
|---|
| 819 | return -1;
|
|---|
| 820 | }
|
|---|
| 821 | /*d_printf(">>>fstat: resolved path as %s\n", targetpath);*/
|
|---|
| 822 |
|
|---|
| 823 | if (!NT_STATUS_IS_OK(cli_ftruncate(targetcli, file->cli_fd, (uint64_t)size))) {
|
|---|
| 824 | errno = EINVAL;
|
|---|
| 825 | TALLOC_FREE(frame);
|
|---|
| 826 | return -1;
|
|---|
| 827 | }
|
|---|
| 828 |
|
|---|
| 829 | TALLOC_FREE(frame);
|
|---|
| 830 | return 0;
|
|---|
| 831 | }
|
|---|