diff options
Diffstat (limited to 'source3/libsmb/libsmb_stat.c')
| -rw-r--r-- | source3/libsmb/libsmb_stat.c | 302 |
1 files changed, 302 insertions, 0 deletions
diff --git a/source3/libsmb/libsmb_stat.c b/source3/libsmb/libsmb_stat.c new file mode 100644 index 0000000000..06238863b7 --- /dev/null +++ b/source3/libsmb/libsmb_stat.c @@ -0,0 +1,302 @@ +/* + Unix SMB/Netbios implementation. + SMB client library implementation + Copyright (C) Andrew Tridgell 1998 + Copyright (C) Richard Sharpe 2000, 2002 + Copyright (C) John Terpstra 2000 + Copyright (C) Tom Jansen (Ninja ISD) 2002 + Copyright (C) Derrell Lipman 2003-2008 + Copyright (C) Jeremy Allison 2007, 2008 + + 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 "libsmbclient.h" +#include "libsmb_internal.h" + + +/* + * Generate an inode number from file name for those things that need it + */ + +static ino_t +generate_inode(SMBCCTX *context, + const char *name) +{ + if (!context || !context->initialized) { + + errno = EINVAL; + return -1; + + } + + if (!*name) return 2; /* FIXME, why 2 ??? */ + return (ino_t)str_checksum(name); + +} + +/* + * Routine to put basic stat info into a stat structure ... Used by stat and + * fstat below. + */ + +static int +setup_stat(SMBCCTX *context, + struct stat *st, + char *fname, + SMB_OFF_T size, + int mode) +{ + TALLOC_CTX *frame = talloc_stackframe(); + + st->st_mode = 0; + + if (IS_DOS_DIR(mode)) { + st->st_mode = SMBC_DIR_MODE; + } else { + st->st_mode = SMBC_FILE_MODE; + } + + if (IS_DOS_ARCHIVE(mode)) st->st_mode |= S_IXUSR; + if (IS_DOS_SYSTEM(mode)) st->st_mode |= S_IXGRP; + if (IS_DOS_HIDDEN(mode)) st->st_mode |= S_IXOTH; + if (!IS_DOS_READONLY(mode)) st->st_mode |= S_IWUSR; + + st->st_size = size; +#ifdef HAVE_STAT_ST_BLKSIZE + st->st_blksize = 512; +#endif +#ifdef HAVE_STAT_ST_BLOCKS + st->st_blocks = (size+511)/512; +#endif +#ifdef HAVE_STRUCT_STAT_ST_RDEV + st->st_rdev = 0; +#endif + st->st_uid = getuid(); + st->st_gid = getgid(); + + if (IS_DOS_DIR(mode)) { + st->st_nlink = 2; + } else { + st->st_nlink = 1; + } + + if (st->st_ino == 0) { + st->st_ino = generate_inode(context, fname); + } + + TALLOC_FREE(frame); + return True; /* FIXME: Is this needed ? */ + +} + +/* + * Routine to stat a file given a name + */ + +int +SMBC_stat_ctx(SMBCCTX *context, + const char *fname, + struct stat *st) +{ + SMBCSRV *srv = NULL; + char *server = NULL; + char *share = NULL; + char *user = NULL; + char *password = NULL; + char *workgroup = NULL; + char *path = NULL; + struct timespec write_time_ts; + struct timespec access_time_ts; + struct timespec change_time_ts; + SMB_OFF_T size = 0; + uint16 mode = 0; + SMB_INO_T ino = 0; + TALLOC_CTX *frame = talloc_stackframe(); + + if (!context || !context->initialized) { + + errno = EINVAL; /* Best I can think of ... */ + TALLOC_FREE(frame); + return -1; + } + + if (!fname) { + errno = EINVAL; + TALLOC_FREE(frame); + return -1; + } + + DEBUG(4, ("smbc_stat(%s)\n", fname)); + + if (SMBC_parse_path(frame, + context, + fname, + &workgroup, + &server, + &share, + &path, + &user, + &password, + NULL)) { + errno = EINVAL; + TALLOC_FREE(frame); + return -1; + } + + if (!user || user[0] == (char)0) { + user = talloc_strdup(frame,context->user); + if (!user) { + errno = ENOMEM; + TALLOC_FREE(frame); + return -1; + } + } + + srv = SMBC_server(frame, context, True, + server, share, &workgroup, &user, &password); + + if (!srv) { + TALLOC_FREE(frame); + return -1; /* errno set by SMBC_server */ + } + + if (!SMBC_getatr(context, srv, path, &mode, &size, + NULL, + &access_time_ts, + &write_time_ts, + &change_time_ts, + &ino)) { + errno = SMBC_errno(context, srv->cli); + TALLOC_FREE(frame); + return -1; + } + + st->st_ino = ino; + + setup_stat(context, st, (char *) fname, size, mode); + + set_atimespec(st, access_time_ts); + set_ctimespec(st, change_time_ts); + set_mtimespec(st, write_time_ts); + st->st_dev = srv->dev; + + TALLOC_FREE(frame); + return 0; + +} + +/* + * Routine to stat a file given an fd + */ + +int +SMBC_fstat_ctx(SMBCCTX *context, + SMBCFILE *file, + struct stat *st) +{ + struct timespec change_time_ts; + struct timespec access_time_ts; + struct timespec write_time_ts; + SMB_OFF_T size; + uint16 mode; + char *server = NULL; + char *share = NULL; + char *user = NULL; + char *password = NULL; + char *path = NULL; + char *targetpath = NULL; + struct cli_state *targetcli = NULL; + SMB_INO_T ino = 0; + TALLOC_CTX *frame = talloc_stackframe(); + + if (!context || !context->initialized) { + + errno = EINVAL; + TALLOC_FREE(frame); + return -1; + } + + if (!file || !SMBC_dlist_contains(context->files, file)) { + errno = EBADF; + TALLOC_FREE(frame); + return -1; + } + + if (!file->file) { + TALLOC_FREE(frame); + return (context->posix_emu.fstatdir_fn)(context, file, st); + } + + /*d_printf(">>>fstat: parsing %s\n", file->fname);*/ + if (SMBC_parse_path(frame, + context, + file->fname, + NULL, + &server, + &share, + &path, + &user, + &password, + NULL)) { + errno = EINVAL; + TALLOC_FREE(frame); + return -1; + } + + /*d_printf(">>>fstat: resolving %s\n", path);*/ + if (!cli_resolve_path(frame, "", file->srv->cli, path, + &targetcli, &targetpath)) { + d_printf("Could not resolve %s\n", path); + TALLOC_FREE(frame); + return -1; + } + /*d_printf(">>>fstat: resolved path as %s\n", targetpath);*/ + + if (!cli_qfileinfo(targetcli, file->cli_fd, &mode, &size, + NULL, + &access_time_ts, + &write_time_ts, + &change_time_ts, + &ino)) { + + time_t change_time, access_time, write_time; + + if (!cli_getattrE(targetcli, file->cli_fd, &mode, &size, + &change_time, &access_time, &write_time)) { + + errno = EINVAL; + TALLOC_FREE(frame); + return -1; + } + + change_time_ts = convert_time_t_to_timespec(change_time); + access_time_ts = convert_time_t_to_timespec(access_time); + write_time_ts = convert_time_t_to_timespec(write_time); + } + + st->st_ino = ino; + + setup_stat(context, st, file->fname, size, mode); + + set_atimespec(st, access_time_ts); + set_ctimespec(st, change_time_ts); + set_mtimespec(st, write_time_ts); + st->st_dev = file->srv->dev; + + TALLOC_FREE(frame); + return 0; + +} |