diff options
Diffstat (limited to 'source/ntvfs/simple/svfs_util.c')
| -rw-r--r-- | source/ntvfs/simple/svfs_util.c | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/source/ntvfs/simple/svfs_util.c b/source/ntvfs/simple/svfs_util.c new file mode 100644 index 00000000000..baa6f86d949 --- /dev/null +++ b/source/ntvfs/simple/svfs_util.c @@ -0,0 +1,173 @@ +/* + Unix SMB/CIFS implementation. + + simple NTVFS filesystem backend + + Copyright (C) Andrew Tridgell 2003 + + 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 2 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, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +*/ +/* + utility functions for simple backend +*/ + +#include "includes.h" +#include "svfs.h" + +/* + convert a windows path to a unix path - don't do any manging or case sensitive handling +*/ +char *svfs_unix_path(struct request_context *req, const char *name) +{ + struct svfs_private *private = req->conn->ntvfs_private; + char *ret; + + if (*name != '\\') { + ret = talloc_asprintf(req->mem_ctx, "%s/%s", private->connectpath, name); + } else { + ret = talloc_asprintf(req->mem_ctx, "%s%s", private->connectpath, name); + } + all_string_sub(ret, "\\", "/", 0); + + strlower(ret); + + return ret; +} + + +/* + read a directory and find all matching file names and stat info + returned names are separate unix and DOS names. The returned names + are relative to the directory +*/ +struct svfs_dir *svfs_list(TALLOC_CTX *mem_ctx, struct request_context *req, const char *pattern) +{ + char *unix_path; + char *p, *mask; + struct svfs_dir *dir; + DIR *odir; + struct dirent *dent; + uint_t allocated = 0; + char *low_mask; + + unix_path = svfs_unix_path(req, pattern); + if (!unix_path) { return NULL; } + + dir = talloc(mem_ctx, sizeof(struct svfs_dir)); + if (!dir) { return NULL; } + + dir->count = 0; + dir->files = 0; + + /* find the base directory */ + p = strrchr(unix_path, '/'); + if (!p) { return NULL; } + + dir->unix_dir = talloc_strndup(mem_ctx, unix_path, PTR_DIFF(p, unix_path)); + if (!dir->unix_dir) { return NULL; } + + /* the wildcard pattern is the last part */ + mask = p+1; + + low_mask = talloc_strdup(mem_ctx, mask); + if (!low_mask) { return NULL; } + strlower(low_mask); + + odir = opendir(dir->unix_dir); + if (!odir) { return NULL; } + + while ((dent = readdir(odir))) { + uint_t i = dir->count; + char *full_name; + char *low_name; + + low_name = talloc_strdup(mem_ctx, dent->d_name); + if (!low_name) { continue; } + strlower(low_name); + + /* check it matches the wildcard pattern */ + if (ms_fnmatch(low_mask, low_name, PROTOCOL_NT1) != 0) { + continue; + } + + if (dir->count >= allocated) { + allocated = (allocated + 100) * 1.2; + dir->files = talloc_realloc(mem_ctx, dir->files, allocated * sizeof(dir->files[0])); + if (!dir->files) { + closedir(odir); + return NULL; + } + } + + dir->files[i].name = low_name; + if (!dir->files[i].name) { continue; } + + asprintf(&full_name, "%s/%s", dir->unix_dir, dir->files[i].name); + if (!full_name) { continue; } + + if (stat(full_name, &dir->files[i].st) == 0) { + dir->count++; + } + + free(full_name); + } + + closedir(odir); + + return dir; +} + + +/******************************************************************* +set the time on a file via file descriptor +*******************************************************************/ +int svfs_file_utime(int fd, struct utimbuf *times) +{ + char *fd_path = NULL; + int ret; + + asprintf(&fd_path, "/proc/self/%d", fd); + if (!fd_path) { + errno = ENOMEM; + return -1; + } + + ret = utime(fd_path, times); + free(fd_path); + return ret; +} + + +/* + map a unix file attrib to a DOS attribute +*/ +uint16 svfs_unix_to_dos_attrib(mode_t mode) +{ + uint16 ret = 0; + if (S_ISDIR(mode)) ret |= FILE_ATTRIBUTE_DIRECTORY; + if (!(mode & S_IWUSR)) ret |= FILE_ATTRIBUTE_READONLY; + return ret; +} + +/* + build a file_id from a stat struct +*/ +large_t svfs_file_id(struct stat *st) +{ + large_t ret = st->st_ino; + ret <<= 32; + ret |= st->st_dev; + return ret; +} |