/* ar.c - Archive modify and extract.
- Copyright 1991-2013 Free Software Foundation, Inc.
+ Copyright (C) 1991-2019 Free Software Foundation, Inc.
This file is part of GNU Binutils.
#include "progress.h"
#include "getopt.h"
#include "aout/ar.h"
-#include "libbfd.h"
#include "bucomm.h"
#include "arsup.h"
#include "filenames.h"
#include "binemul.h"
+#include "plugin-api.h"
#include "plugin.h"
#ifdef __GO32___
/* Nonzero means describe each action performed. */
int verbose = 0;
+/* Nonzero means display offsets of files in the archive. */
+int display_offsets = 0;
+
/* Nonzero means preserve dates of members when extracting them. */
int preserve_dates = 0;
static int show_help = 0;
+#if BFD_SUPPORTS_PLUGINS
+static const char *plugin_target = "plugin";
+#else
static const char *plugin_target = NULL;
+#endif
static const char *target = NULL;
#if BFD_SUPPORTS_PLUGINS
/* xgettext:c-format */
const char *command_line
- = _("Usage: %s [emulation options] [-]{dmpqrstx}[abcDfilMNoPsSTuvV]"
+ = _("Usage: %s [emulation options] [-]{dmpqrstx}[abcDfilMNoOPsSTuvV]"
" [--plugin <name>] [member-name] [count] archive-file file...\n");
#else
/* xgettext:c-format */
const char *command_line
- = _("Usage: %s [emulation options] [-]{dmpqrstx}[abcDfilMNoPsSTuvV]"
+ = _("Usage: %s [emulation options] [-]{dmpqrstx}[abcDfilMNoOPsSTuvV]"
" [member-name] [count] archive-file file...\n");
#endif
s = help ? stdout : stderr;
fprintf (s, _(" q[f] - quick append file(s) to the archive\n"));
fprintf (s, _(" r[ab][f][u] - replace existing or insert new file(s) into the archive\n"));
fprintf (s, _(" s - act as ranlib\n"));
- fprintf (s, _(" t - display contents of archive\n"));
+ fprintf (s, _(" t[O][v] - display contents of the archive\n"));
fprintf (s, _(" x[o] - extract file(s) from the archive\n"));
fprintf (s, _(" command specific modifiers:\n"));
fprintf (s, _(" [a] - put file(s) after [member-name]\n"));
fprintf (s, _(" [f] - truncate inserted file names\n"));
fprintf (s, _(" [P] - use full path names when matching\n"));
fprintf (s, _(" [o] - preserve original dates\n"));
+ fprintf (s, _(" [O] - display offsets of files in the archive\n"));
fprintf (s, _(" [u] - only replace files that are newer than current archive contents\n"));
fprintf (s, _(" generic modifiers:\n"));
fprintf (s, _(" [c] - do not warn if the library had to be created\n"));
{
int c;
- /* Convert old-style tar call by exploding option element and rearranging
+ /* Convert old-style ar call by exploding option element and rearranging
options accordingly. */
+ restart:
if (argc > 1 && argv[1][0] != '-')
{
int new_argc; /* argc value for rearranged arguments */
argv = new_argv;
}
- while ((c = getopt_long (argc, argv, "hdmpqrtxlcoVsSuvabiMNfPTDU",
+ while ((c = getopt_long (argc, argv, "hdmpqrtxlcoOVsSuvabiMNfPTDU",
long_options, NULL)) != EOF)
{
switch (c)
case 'o':
preserve_dates = 1;
break;
+ case 'O':
+ display_offsets = 1;
+ break;
case 'V':
show_version = TRUE;
break;
break;
case OPTION_PLUGIN:
#if BFD_SUPPORTS_PLUGINS
- plugin_target = "plugin";
bfd_plugin_set_plugin (optarg);
#else
fprintf (stderr, _("sorry - this program has been built without plugin support\n"));
}
}
+ /* PR 13256: Allow for the possibility that the first command line option
+ started with a dash (eg --plugin) but then the following option(s) are
+ old style, non-dash-prefixed versions. */
+ if (operation == none && write_armap != 1 && !mri_mode
+ && optind > 0 && optind < argc)
+ {
+ argv += (optind - 1);
+ argc -= (optind - 1);
+ optind = 0;
+ goto restart;
+ }
+
return &argv[optind];
}
/* PR binutils/13493: Support plugins. */
case OPTION_PLUGIN:
#if BFD_SUPPORTS_PLUGINS
- plugin_target = "plugin";
bfd_plugin_set_plugin (optarg);
#else
fprintf (stderr, _("sorry - this program has been built without plugin support\n"));
program_name = argv[0];
xmalloc_set_program_name (program_name);
+ bfd_set_error_program_name (program_name);
#if BFD_SUPPORTS_PLUGINS
bfd_plugin_set_program_name (program_name);
#endif
START_PROGRESS (program_name, 0);
- bfd_init ();
+ if (bfd_init () != BFD_INIT_MAGIC)
+ fatal (_("fatal error: libbfd ABI mismatch"));
set_default_bfd_target ();
xatexit (remove_output);
{
bfd *arch;
+ /* Fail if no files are specified on the command line.
+ (But not for MRI mode which allows for reading arguments
+ and filenames from stdin). */
+ if (argv[arg_index] == NULL)
+ usage (0);
+
/* We don't use do_quick_append any more. Too many systems
expect ar to always rebuild the symbol table even when q is
used. */
default_deterministic ();
if (postype != pos_default)
- posname = argv[arg_index++];
+ {
+ posname = argv[arg_index++];
+ if (posname == NULL)
+ fatal (_("missing position arg."));
+ }
if (counted_name_mode)
{
if (operation != extract && operation != del)
fatal (_("`N' is only meaningful with the `x' and `d' options."));
+ if (argv[arg_index] == NULL)
+ fatal (_("`N' missing value."));
counted_name_counter = atoi (argv[arg_index++]);
if (counted_name_counter <= 0)
fatal (_("Value for `N' must be positive."));
}
inarch_filename = argv[arg_index++];
+ if (inarch_filename == NULL)
+ usage (0);
for (file_count = 0; argv[arg_index + file_count] != NULL; file_count++)
continue;
bfd_get_filename (arch));
goto bloser;
}
- }
+ }
last_one = &(arch->archive_next);
/* Read all the contents right away, regardless. */
if (nread != tocopy)
/* xgettext:c-format */
fatal (_("%s is not a valid archive"),
- bfd_get_filename (bfd_my_archive (abfd)));
+ bfd_get_filename (abfd->my_archive));
/* fwrite in mingw32 may return int instead of bfd_size_type. Cast the
return value to bfd_size_type to avoid comparison between signed and
bfd_size_type size;
struct stat buf;
+ /* PR binutils/17533: Do not allow directory traversal
+ outside of the current directory tree. */
+ if (! is_valid_archive_path (bfd_get_filename (abfd)))
+ {
+ non_fatal (_("illegal pathname found in archive member: %s"),
+ bfd_get_filename (abfd));
+ free (cbuf);
+ return;
+ }
+
if (bfd_stat_arch_elt (abfd, &buf) != 0)
/* xgettext:c-format */
fatal (_("internal stat error on %s"), bfd_get_filename (abfd));
if (nread != tocopy)
/* xgettext:c-format */
fatal (_("%s is not a valid archive"),
- bfd_get_filename (bfd_my_archive (abfd)));
+ bfd_get_filename (abfd->my_archive));
/* See comment above; this saves disk arm motion */
if (ostream == NULL)
if (smart_rename (new_name, old_name, 0) != 0)
xexit (1);
free (old_name);
+ free (new_name);
}
/* Return a pointer to the pointer to the entry which should be rplacd'd
static void
print_descr (bfd *abfd)
{
- print_arelt_descr (stdout, abfd, verbose);
+ print_arelt_descr (stdout, abfd, verbose, display_offsets);
}