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Diffstat (limited to '')
| -rw-r--r-- | misc/lsattr.c | 234 |
1 files changed, 234 insertions, 0 deletions
diff --git a/misc/lsattr.c b/misc/lsattr.c new file mode 100644 index 0000000..72f4c68 --- /dev/null +++ b/misc/lsattr.c @@ -0,0 +1,234 @@ +/* + * lsattr.c - List file attributes on an ext2 file system + * + * Copyright (C) 1993, 1994 Remy Card <card@masi.ibp.fr> + * Laboratoire MASI, Institut Blaise Pascal + * Universite Pierre et Marie Curie (Paris VI) + * + * This file can be redistributed under the terms of the GNU General + * Public License + */ + +/* + * History: + * 93/10/30 - Creation + * 93/11/13 - Replace stat() calls by lstat() to avoid loops + * 94/02/27 - Integrated in Ted's distribution + * 98/12/29 - Display version info only when -V specified (G M Sipe) + */ + +#define _LARGEFILE64_SOURCE + +#include "config.h" +#include <sys/types.h> +#include <dirent.h> +#ifdef HAVE_ERRNO_H +#include <errno.h> +#endif +#include <fcntl.h> +#ifdef HAVE_GETOPT_H +#include <getopt.h> +#else +extern int optind; +extern char *optarg; +#endif +#include <stdio.h> +#include <unistd.h> +#include <stdlib.h> +#include <string.h> +#include <sys/param.h> +#include <sys/stat.h> + +#include "ext2fs/ext2_fs.h" +#include "et/com_err.h" +#include "e2p/e2p.h" + +#include "support/nls-enable.h" +#include "../version.h" + +#ifdef __GNUC__ +#define EXT2FS_ATTR(x) __attribute__(x) +#else +#define EXT2FS_ATTR(x) +#endif + +static const char * program_name = "lsattr"; + +static int all; +static int dirs_opt; +static unsigned pf_options; +static int recursive; +static int verbose; +static int generation_opt; +static int project_opt; + +#ifdef _LFS64_LARGEFILE +#define LSTAT lstat64 +#define STRUCT_STAT struct stat64 +#else +#define LSTAT lstat +#define STRUCT_STAT struct stat +#endif + +static void usage(void) +{ + fprintf(stderr, _("Usage: %s [-RVadlpv] [files...]\n"), program_name); + exit(1); +} + +static int list_attributes (const char * name) +{ + unsigned long flags; + unsigned long generation; + unsigned long project; + + if (fgetflags (name, &flags) == -1) { + com_err (program_name, errno, _("While reading flags on %s"), + name); + return -1; + } + if (project_opt) { + if (fgetproject(name, &project) == -1) { + com_err (program_name, errno, + _("While reading project on %s"), + name); + return -1; + } + printf ("%5lu ", project); + } + if (generation_opt) { + if (fgetversion (name, &generation) == -1) { + com_err (program_name, errno, + _("While reading version on %s"), + name); + return -1; + } + printf ("%-10lu ", generation); + } + if (pf_options & PFOPT_LONG) { + printf("%-28s ", name); + print_flags(stdout, flags, pf_options); + fputc('\n', stdout); + } else { + print_flags(stdout, flags, pf_options); + printf(" %s\n", name); + } + return 0; +} + +static int lsattr_dir_proc (const char *, struct dirent *, void *); + +static int lsattr_args (const char * name) +{ + STRUCT_STAT st; + int retval = 0; + + if (LSTAT (name, &st) == -1) { + com_err (program_name, errno, _("while trying to stat %s"), + name); + retval = -1; + } else { + if (S_ISDIR(st.st_mode) && !dirs_opt) + retval = iterate_on_dir (name, lsattr_dir_proc, NULL); + else + retval = list_attributes (name); + } + return retval; +} + +static int lsattr_dir_proc (const char * dir_name, struct dirent * de, + void * private EXT2FS_ATTR((unused))) +{ + STRUCT_STAT st; + char *path; + int dir_len = strlen(dir_name); + + path = malloc(dir_len + strlen (de->d_name) + 2); + if (!path) { + fputs(_("Couldn't allocate path variable in lsattr_dir_proc\n"), + stderr); + return -1; + } + + if (dir_len && dir_name[dir_len-1] == '/') + sprintf (path, "%s%s", dir_name, de->d_name); + else + sprintf (path, "%s/%s", dir_name, de->d_name); + if (LSTAT (path, &st) == -1) + perror (path); + else { + if (de->d_name[0] != '.' || all) { + list_attributes (path); + if (S_ISDIR(st.st_mode) && recursive && + strcmp(de->d_name, ".") && + strcmp(de->d_name, "..")) { + printf ("\n%s:\n", path); + iterate_on_dir (path, lsattr_dir_proc, NULL); + printf ("\n"); + } + } + } + free(path); + return 0; +} + +int main (int argc, char ** argv) +{ + int c; + int i; + int err, retval = 0; + +#ifdef ENABLE_NLS + setlocale(LC_MESSAGES, ""); + setlocale(LC_CTYPE, ""); + bindtextdomain(NLS_CAT_NAME, LOCALEDIR); + textdomain(NLS_CAT_NAME); + set_com_err_gettext(gettext); +#endif + if (argc && *argv) + program_name = *argv; + else + usage(); + while ((c = getopt (argc, argv, "RVadlvp")) != EOF) + switch (c) + { + case 'R': + recursive = 1; + break; + case 'V': + verbose = 1; + break; + case 'a': + all = 1; + break; + case 'd': + dirs_opt = 1; + break; + case 'l': + pf_options = PFOPT_LONG; + break; + case 'v': + generation_opt = 1; + break; + case 'p': + project_opt = 1; + break; + default: + usage(); + } + + if (verbose) + fprintf (stderr, "lsattr %s (%s)\n", + E2FSPROGS_VERSION, E2FSPROGS_DATE); + if (optind > argc - 1) { + if (lsattr_args (".") == -1) + retval = 1; + } else { + for (i = optind; i < argc; i++) { + err = lsattr_args (argv[i]); + if (err) + retval = 1; + } + } + exit(retval); +} |