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-rw-r--r--winsup/utils/lsattr.c289
1 files changed, 289 insertions, 0 deletions
diff --git a/winsup/utils/lsattr.c b/winsup/utils/lsattr.c
new file mode 100644
index 000000000..ee72043f0
--- /dev/null
+++ b/winsup/utils/lsattr.c
@@ -0,0 +1,289 @@
+/* lsattr.c
+
+ Written by Corinna Vinschen <vinschen@redhat.com>
+
+This file is part of Cygwin.
+
+This software is a copyrighted work licensed under the terms of the
+Cygwin license. Please consult the file "CYGWIN_LICENSE" for
+details. */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <string.h>
+#include <getopt.h>
+#include <dirent.h>
+#include <sys/stat.h>
+#include <sys/ioctl.h>
+#include <cygwin/fs.h>
+#include <cygwin/version.h>
+
+int Ropt, aopt, dopt, lopt, nopt;
+
+struct option longopts[] = {
+ { "recursive", no_argument, NULL, 'R' },
+ { "version", no_argument, NULL, 'V' },
+ { "all", no_argument, NULL, 'a' },
+ { "directory", no_argument, NULL, 'd' },
+ { "help", no_argument, NULL, 'h' },
+ { "long", no_argument, NULL, 'l' },
+ { "no-headers", no_argument, NULL, 'n' },
+ { NULL, no_argument, NULL, 0}
+};
+
+const char *opts = "+RVadhln";
+
+struct
+{
+ uint64_t flagval;
+ char chr;
+ const char *str;
+} supp_flag[] = {
+ { FS_READONLY_FL, 'r', "Readonly" },
+ { FS_HIDDEN_FL, 'h', "Hidden" },
+ { FS_SYSTEM_FL, 's', "System" },
+ { FS_ARCHIVE_FL, 'a', "Archive" },
+ { FS_TEMP_FL, 't', "Temporary" },
+ { FS_SPARSE_FL, 'S', "Sparse" },
+ { FS_REPARSE_FL, 'r', "Reparse" },
+ { FS_COMPRESSED_FL, 'c', "Compressed" },
+ { FS_OFFLINE_FL, 'o', "Offline" },
+ { FS_NOTINDEXED_FL, 'n', "Notindexed" },
+ { FS_ENCRYPT_FL, 'e', "Encrypted" },
+ { FS_CASESENS_FL, 'C', "Casesensitive" },
+ { 0, '\0', NULL },
+};
+
+void
+print_long (const char *path, uint64_t flags)
+{
+ int i;
+ int first = 1;
+
+ printf("%-28s ", path);
+ for (i = 0; supp_flag[i].flagval; ++i)
+ if (flags & supp_flag[i].flagval)
+ {
+ if (!first)
+ fputs (", ", stdout);
+ first = 0;
+ fputs (supp_flag[i].str, stdout);
+ }
+ if (first)
+ fputs ("---", stdout);
+ fputc ('\n', stdout);
+}
+
+void
+print_short (const char *path, uint64_t flags)
+{
+ int i;
+
+ for (i = 0; supp_flag[i].flagval; ++i)
+ fputc ((flags & supp_flag[i].flagval) ? supp_flag[i].chr : '-', stdout);
+ printf(" %s\n", path);
+}
+
+int
+lsattr (const char *path)
+{
+ int fd;
+ uint64_t flags;
+
+ fd = open (path, O_RDONLY);
+ if (fd < 0)
+ {
+ fprintf (stderr, "%s: %s while trying to open %s\n",
+ program_invocation_short_name, strerror (errno),
+ path);
+ return 1;
+ }
+ if (ioctl (fd, FS_IOC_GETFLAGS, &flags))
+ {
+ close (fd);
+ fprintf (stderr, "%s: %s while trying to fetch flags from %s\n",
+ program_invocation_short_name, strerror (errno),
+ path);
+ return 1;
+ }
+ close (fd);
+ if (lopt)
+ print_long (path, flags);
+ else
+ print_short (path, flags);
+ return 0;
+}
+
+int
+lsattr_dir (const char *path)
+{
+ DIR *dir;
+ struct dirent *de;
+ char *subpath = (char *) malloc (strlen (path) + 1 + NAME_MAX + 1);
+ char *comp;
+
+ dir = opendir (path);
+ if (!dir)
+ {
+ free (subpath);
+ return 1;
+ }
+ comp = stpcpy (subpath, path);
+ if (comp[-1] != '/')
+ *comp++ = '/';
+ while ((de = readdir (dir)))
+ {
+ struct stat st;
+
+ stpcpy (comp, de->d_name);
+ if (lstat (subpath, &st) != 0)
+ fprintf (stderr, "%s: %s while trying to stat %s\n",
+ program_invocation_short_name, strerror (errno),
+ subpath);
+ else if (de->d_name[0] != '.' || aopt)
+ {
+ if (S_ISREG (st.st_mode) || S_ISDIR (st.st_mode))
+ lsattr (subpath);
+ if (S_ISDIR (st.st_mode) && Ropt
+ && strcmp (de->d_name, ".") != 0
+ && strcmp (de->d_name, "..") != 0)
+ {
+ if (!nopt)
+ printf ("\n%s:\n", path);
+ lsattr_dir (subpath);
+ if (!nopt)
+ fputc ('\n', stdout);
+ }
+ }
+ }
+ free (subpath);
+ return 0;
+}
+
+static void
+print_version ()
+{
+ printf ("%s (cygwin) %d.%d.%d\n"
+ "Get POSIX ACL information\n"
+ "Copyright (C) 2018 - %s Cygwin Authors\n"
+ "This is free software; see the source for copying conditions. "
+ "There is NO\n"
+ "warranty; not even for MERCHANTABILITY or FITNESS FOR A "
+ "PARTICULAR PURPOSE.\n",
+ program_invocation_short_name,
+ CYGWIN_VERSION_DLL_MAJOR / 1000,
+ CYGWIN_VERSION_DLL_MAJOR % 1000,
+ CYGWIN_VERSION_DLL_MINOR,
+ strrchr (__DATE__, ' ') + 1);
+}
+
+static void
+usage (FILE *stream)
+{
+ fprintf (stream, "Usage: %s [-RVadhln] [file]...\n",
+ program_invocation_short_name);
+ if (stream == stderr)
+ fprintf (stream, "Try '%s --help' for more information\n",
+ program_invocation_short_name);
+ if (stream == stdout)
+ fprintf (stream, "\n"
+ "List file attributes\n"
+ "\n"
+ " -R, --recursive recursively list attributes of directories and their \n"
+ " contents\n"
+ " -V, --version display the program version\n"
+ " -a, --all list all files in directories, including files that\n"
+ " start with '.'\n"
+ " -d, --directory list directories like other files, rather than listing\n"
+ " their contents.\n"
+ " -l, --long print options using long names instead of single\n"
+ " character abbreviations\n"
+ " -n, --no-headers don't print directory headers when recursing\n"
+ " -h, --help this help text\n"
+ "\n"
+ "Supported attributes:\n"
+ "\n"
+ " 'r', 'Readonly': file is read-only, directory is system-marked\n"
+ " 'h', 'Hidden': file or directory is hidden\n"
+ " 's', 'System': file or directory that the operating system uses\n"
+ " 'a', 'Archive': file or directory has the archive marker set\n"
+ " 't', 'Temporary': file is being used for temporary storage\n"
+ " 'S', 'Sparse': file is sparse\n"
+ " 'r', 'Reparse': file or directory that has a reparse point\n"
+ " 'c', 'Compressed': file or directory is compressed\n"
+ " 'o', 'Offline': the data of a file is moved to offline storage\n"
+ " 'n', 'Notindexed': file or directory is not to be indexed by the\n"
+ " content indexing service\n"
+ " 'e', 'Encrypted': file is encrypted\n"
+ " 'C', 'Casesensitive': directory is handled case sensitive\n"
+ " (Windows 10 1803 or later, local NTFS only,\n"
+ " WSL must be installed)\n");
+}
+
+int
+main (int argc, char **argv)
+{
+ int c, ret = 0;
+
+ opterr = 0;
+ while ((c = getopt_long (argc, argv, opts, longopts, NULL)) != EOF)
+ {
+ switch (c)
+ {
+ case 'R':
+ Ropt = 1;
+ break;
+ case 'V':
+ print_version ();
+ return 0;
+ case 'a':
+ aopt = 1;
+ break;
+ case 'd':
+ dopt = 1;
+ break;
+ case 'l':
+ lopt = 1;
+ break;
+ case 'n':
+ nopt = 1;
+ break;
+ case 'h':
+ default:
+ usage (c == 'h' ? stdout : stderr);
+ return 1;
+ }
+ }
+ if (optind > argc - 1)
+ lsattr_dir (".");
+ else for (; optind < argc; ++optind)
+ {
+ struct stat st;
+
+ if (lstat (argv[optind], &st) != 0)
+ {
+ fprintf (stderr, "%s: %s while trying to stat %s\n",
+ program_invocation_short_name, strerror (errno),
+ argv[optind]);
+ ret = 1;
+ }
+ else if (!S_ISREG (st.st_mode) && !S_ISDIR (st.st_mode))
+ {
+ fprintf (stderr, "%s: %s on %s\n",
+ program_invocation_short_name, strerror (ENOTSUP),
+ argv[optind]);
+ ret = 1;
+ }
+ else if (S_ISDIR (st.st_mode) && !dopt)
+ {
+ if (lsattr_dir (argv[optind]))
+ ret = 1;
+ }
+ else if (lsattr (argv[optind]))
+ ret = 1;
+ }
+ return ret;
+}