/* bucomm.c -- Bin Utils COMmon code.
- Copyright 1991, 1992, 1993, 1994, 1995, 1997, 1998, 2000, 2001, 2002,
- 2003, 2006
- Free Software Foundation, Inc.
+ Copyright (C) 1991-2020 Free Software Foundation, Inc.
This file is part of GNU Binutils.
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
+ 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,
/* We might put this in a library someday so it could be dynamically
loaded, but for now it's not necessary. */
+#include "sysdep.h"
#include "bfd.h"
-#include "bfdver.h"
#include "libiberty.h"
-#include "bucomm.h"
#include "filenames.h"
-#include "libbfd.h"
-#include <sys/stat.h>
#include <time.h> /* ctime, maybe time_t */
#include <assert.h>
+#include "bucomm.h"
#ifndef HAVE_TIME_T_IN_TIME_H
#ifndef HAVE_TIME_T_IN_TYPES_H
typedef long time_t;
#endif
#endif
-
-static const char * endian_string (enum bfd_endian);
-static int display_target_list (void);
-static int display_info_table (int, int);
-static int display_target_tables (void);
\f
/* Error reporting. */
void
bfd_nonfatal (const char *string)
{
- const char *errmsg = bfd_errmsg (bfd_get_error ());
+ const char *errmsg;
+ enum bfd_error err = bfd_get_error ();
+ if (err == bfd_error_no_error)
+ errmsg = _("cause of error unknown");
+ else
+ errmsg = bfd_errmsg (err);
+ fflush (stdout);
if (string)
fprintf (stderr, "%s: %s: %s\n", program_name, string, errmsg);
else
fprintf (stderr, "%s: %s\n", program_name, errmsg);
}
+/* Issue a non fatal error message. FILENAME, or if NULL then BFD,
+ are used to indicate the problematic file. SECTION, if non NULL,
+ is used to provide a section name. If FORMAT is non-null, then it
+ is used to print additional information via vfprintf. Finally the
+ bfd error message is printed. In summary, error messages are of
+ one of the following forms:
+
+ PROGRAM: file: bfd-error-message
+ PROGRAM: file[section]: bfd-error-message
+ PROGRAM: file: printf-message: bfd-error-message
+ PROGRAM: file[section]: printf-message: bfd-error-message. */
+
+void
+bfd_nonfatal_message (const char *filename,
+ const bfd *abfd,
+ const asection *section,
+ const char *format, ...)
+{
+ const char *errmsg;
+ const char *section_name;
+ va_list args;
+ enum bfd_error err = bfd_get_error ();
+
+ if (err == bfd_error_no_error)
+ errmsg = _("cause of error unknown");
+ else
+ errmsg = bfd_errmsg (err);
+ fflush (stdout);
+ section_name = NULL;
+ va_start (args, format);
+ fprintf (stderr, "%s", program_name);
+
+ if (abfd)
+ {
+ if (!filename)
+ filename = bfd_get_archive_filename (abfd);
+ if (section)
+ section_name = bfd_section_name (section);
+ }
+ if (section_name)
+ fprintf (stderr, ": %s[%s]", filename, section_name);
+ else
+ fprintf (stderr, ": %s", filename);
+
+ if (format)
+ {
+ fprintf (stderr, ": ");
+ vfprintf (stderr, format, args);
+ }
+ fprintf (stderr, ": %s\n", errmsg);
+ va_end (args);
+}
+
void
bfd_fatal (const char *string)
{
void
report (const char * format, va_list args)
{
+ fflush (stdout);
fprintf (stderr, "%s: ", program_name);
vfprintf (stderr, format, args);
putc ('\n', stderr);
}
void
-fatal VPARAMS ((const char *format, ...))
+fatal (const char *format, ...)
{
- VA_OPEN (args, format);
- VA_FIXEDARG (args, const char *, format);
+ va_list args;
+
+ va_start (args, format);
report (format, args);
- VA_CLOSE (args);
+ va_end (args);
xexit (1);
}
void
-non_fatal VPARAMS ((const char *format, ...))
+non_fatal (const char *format, ...)
{
- VA_OPEN (args, format);
- VA_FIXEDARG (args, const char *, format);
+ va_list args;
+
+ va_start (args, format);
report (format, args);
- VA_CLOSE (args);
+ va_end (args);
}
/* Set the default BFD target based on the configured target. Doing
void
list_matching_formats (char **p)
{
+ fflush (stdout);
fprintf (stderr, _("%s: Matching formats:"), program_name);
while (*p)
fprintf (stderr, " %s", *p++);
list_supported_targets (const char *name, FILE *f)
{
int t;
- const char **targ_names = bfd_target_list ();
+ const char **targ_names;
if (name == NULL)
fprintf (f, _("Supported targets:"));
else
fprintf (f, _("%s: supported targets:"), name);
+ targ_names = bfd_target_list ();
for (t = 0; targ_names[t] != NULL; t++)
fprintf (f, " %s", targ_names[t]);
fprintf (f, "\n");
void
list_supported_architectures (const char *name, FILE *f)
{
- const char **arch;
+ const char ** arch;
+ const char ** arches;
if (name == NULL)
fprintf (f, _("Supported architectures:"));
else
fprintf (f, _("%s: supported architectures:"), name);
- for (arch = bfd_arch_list (); *arch; arch++)
+ for (arch = arches = bfd_arch_list (); *arch; arch++)
fprintf (f, " %s", *arch);
fprintf (f, "\n");
+ free (arches);
}
\f
-/* The length of the longest architecture name + 1. */
-#define LONGEST_ARCH sizeof ("powerpc:common")
-
static const char *
endian_string (enum bfd_endian endian)
{
switch (endian)
{
- case BFD_ENDIAN_BIG: return "big endian";
- case BFD_ENDIAN_LITTLE: return "little endian";
- default: return "endianness unknown";
+ case BFD_ENDIAN_BIG: return _("big endian");
+ case BFD_ENDIAN_LITTLE: return _("little endian");
+ default: return _("endianness unknown");
}
}
+/* Data passed to do_display_target and other target iterators. */
+
+struct display_target {
+ /* Temp file. */
+ char *filename;
+ /* Return status. */
+ int error;
+ /* Number of targets. */
+ int count;
+ /* Size of info in bytes. */
+ size_t alloc;
+ /* Per-target info. */
+ struct {
+ /* Target name. */
+ const char *name;
+ /* Non-zero if target/arch combination supported. */
+ unsigned char arch[bfd_arch_last - bfd_arch_obscure - 1];
+ } *info;
+};
+
/* List the targets that BFD is configured to support, each followed
- by its endianness and the architectures it supports. */
+ by its endianness and the architectures it supports. Also build
+ info about target/archs. */
static int
-display_target_list (void)
+do_display_target (const bfd_target *targ, void *data)
{
- char *dummy_name;
- int t;
- int ret = 1;
+ struct display_target *param = (struct display_target *) data;
+ bfd *abfd;
+ size_t amt;
- dummy_name = make_temp_file (NULL);
- for (t = 0; bfd_target_vector[t]; t++)
+ param->count += 1;
+ amt = param->count * sizeof (*param->info);
+ if (param->alloc < amt)
{
- const bfd_target *p = bfd_target_vector[t];
- bfd *abfd = bfd_openw (dummy_name, p->name);
- enum bfd_architecture a;
-
- printf ("%s\n (header %s, data %s)\n", p->name,
- endian_string (p->header_byteorder),
- endian_string (p->byteorder));
+ size_t size = ((param->count < 64 ? 64 : param->count)
+ * sizeof (*param->info) * 2);
+ param->info = xrealloc (param->info, size);
+ memset ((char *) param->info + param->alloc, 0, size - param->alloc);
+ param->alloc = size;
+ }
+ param->info[param->count - 1].name = targ->name;
- if (abfd == NULL)
- {
- bfd_nonfatal (dummy_name);
- ret = 0;
- continue;
- }
+ printf (_("%s\n (header %s, data %s)\n"), targ->name,
+ endian_string (targ->header_byteorder),
+ endian_string (targ->byteorder));
- if (! bfd_set_format (abfd, bfd_object))
+ abfd = bfd_openw (param->filename, targ->name);
+ if (abfd == NULL)
+ {
+ bfd_nonfatal (param->filename);
+ param->error = 1;
+ }
+ else if (!bfd_set_format (abfd, bfd_object))
+ {
+ if (bfd_get_error () != bfd_error_invalid_operation)
{
- if (bfd_get_error () != bfd_error_invalid_operation)
- {
- bfd_nonfatal (p->name);
- ret = 0;
- }
- bfd_close_all_done (abfd);
- continue;
+ bfd_nonfatal (targ->name);
+ param->error = 1;
}
+ }
+ else
+ {
+ enum bfd_architecture a;
for (a = bfd_arch_obscure + 1; a < bfd_arch_last; a++)
- if (bfd_set_arch_mach (abfd, (enum bfd_architecture) a, 0))
- printf (" %s\n",
- bfd_printable_arch_mach ((enum bfd_architecture) a, 0));
- bfd_close_all_done (abfd);
+ if (bfd_set_arch_mach (abfd, a, 0))
+ {
+ printf (" %s\n", bfd_printable_arch_mach (a, 0));
+ param->info[param->count - 1].arch[a - bfd_arch_obscure - 1] = 1;
+ }
}
- unlink (dummy_name);
- free (dummy_name);
+ if (abfd != NULL)
+ bfd_close_all_done (abfd);
- return ret;
+ return param->error;
+}
+
+static void
+display_target_list (struct display_target *arg)
+{
+ arg->filename = make_temp_file (NULL);
+ arg->error = 0;
+ arg->count = 0;
+ arg->alloc = 0;
+ arg->info = NULL;
+
+ bfd_iterate_over_targets (do_display_target, arg);
+
+ unlink (arg->filename);
+ free (arg->filename);
}
-/* Print a table showing which architectures are supported for entries
- FIRST through LAST-1 of bfd_target_vector (targets across,
- architectures down). */
+/* Calculate how many targets we can print across the page. */
static int
-display_info_table (int first, int last)
+do_info_size (int targ, int width, const struct display_target *arg)
{
- int t;
- int ret = 1;
- char *dummy_name;
- enum bfd_architecture a;
-
- /* Print heading of target names. */
- printf ("\n%*s", (int) LONGEST_ARCH, " ");
- for (t = first; t < last && bfd_target_vector[t]; t++)
- printf ("%s ", bfd_target_vector[t]->name);
- putchar ('\n');
-
- dummy_name = make_temp_file (NULL);
- for (a = bfd_arch_obscure + 1; a < bfd_arch_last; a++)
- if (strcmp (bfd_printable_arch_mach (a, 0), "UNKNOWN!") != 0)
- {
- printf ("%*s ", (int) LONGEST_ARCH - 1,
- bfd_printable_arch_mach (a, 0));
- for (t = first; t < last && bfd_target_vector[t]; t++)
- {
- const bfd_target *p = bfd_target_vector[t];
- bfd_boolean ok = TRUE;
- bfd *abfd = bfd_openw (dummy_name, p->name);
-
- if (abfd == NULL)
- {
- bfd_nonfatal (p->name);
- ret = 0;
- ok = FALSE;
- }
-
- if (ok)
- {
- if (! bfd_set_format (abfd, bfd_object))
- {
- if (bfd_get_error () != bfd_error_invalid_operation)
- {
- bfd_nonfatal (p->name);
- ret = 0;
- }
- ok = FALSE;
- }
- }
-
- if (ok)
- {
- if (! bfd_set_arch_mach (abfd, a, 0))
- ok = FALSE;
- }
-
- if (ok)
- printf ("%s ", p->name);
- else
- {
- int l = strlen (p->name);
- while (l--)
- putchar ('-');
- putchar (' ');
- }
- if (abfd != NULL)
- bfd_close_all_done (abfd);
- }
- putchar ('\n');
- }
- unlink (dummy_name);
- free (dummy_name);
+ while (targ < arg->count)
+ {
+ width -= strlen (arg->info[targ].name) + 1;
+ if (width < 0)
+ return targ;
+ ++targ;
+ }
+ return targ;
+}
- return ret;
+/* Print header of target names. */
+
+static void
+do_info_header (int targ, int stop_targ, const struct display_target *arg)
+{
+ while (targ != stop_targ)
+ printf ("%s ", arg->info[targ++].name);
+}
+
+/* Print a table row. */
+
+static void
+do_info_row (int targ, int stop_targ, enum bfd_architecture a,
+ const struct display_target *arg)
+{
+ while (targ != stop_targ)
+ {
+ if (arg->info[targ].arch[a - bfd_arch_obscure - 1])
+ fputs (arg->info[targ].name, stdout);
+ else
+ {
+ int l = strlen (arg->info[targ].name);
+ while (l--)
+ putchar ('-');
+ }
+ ++targ;
+ if (targ != stop_targ)
+ putchar (' ');
+ }
}
/* Print tables of all the target-architecture combinations that
BFD has been configured to support. */
-static int
-display_target_tables (void)
+static void
+display_target_tables (const struct display_target *arg)
{
- int t;
- int columns;
- int ret = 1;
- char *colum;
-
- columns = 0;
- colum = getenv ("COLUMNS");
- if (colum != NULL)
- columns = atoi (colum);
- if (columns == 0)
- columns = 80;
-
- t = 0;
- while (bfd_target_vector[t] != NULL)
+ const char *columns;
+ int width, start_targ, stop_targ;
+ enum bfd_architecture arch;
+ int longest_arch = 0;
+
+ for (arch = bfd_arch_obscure + 1; arch < bfd_arch_last; arch++)
{
- int oldt = t, wid;
+ const char *s = bfd_printable_arch_mach (arch, 0);
+ int len = strlen (s);
+ if (len > longest_arch)
+ longest_arch = len;
+ }
- wid = LONGEST_ARCH + strlen (bfd_target_vector[t]->name) + 1;
- ++t;
- while (wid < columns && bfd_target_vector[t] != NULL)
- {
- int newwid;
+ width = 0;
+ columns = getenv ("COLUMNS");
+ if (columns != NULL)
+ width = atoi (columns);
+ if (width == 0)
+ width = 80;
+
+ for (start_targ = 0; start_targ < arg->count; start_targ = stop_targ)
+ {
+ stop_targ = do_info_size (start_targ, width - longest_arch - 1, arg);
- newwid = wid + strlen (bfd_target_vector[t]->name) + 1;
- if (newwid >= columns)
- break;
- wid = newwid;
- ++t;
+ printf ("\n%*s", longest_arch + 1, " ");
+ do_info_header (start_targ, stop_targ, arg);
+ putchar ('\n');
+
+ for (arch = bfd_arch_obscure + 1; arch < bfd_arch_last; arch++)
+ {
+ if (strcmp (bfd_printable_arch_mach (arch, 0), "UNKNOWN!") != 0)
+ {
+ printf ("%*s ", longest_arch,
+ bfd_printable_arch_mach (arch, 0));
+
+ do_info_row (start_targ, stop_targ, arch, arg);
+ putchar ('\n');
+ }
}
- if (! display_info_table (oldt, t))
- ret = 0;
}
-
- return ret;
}
int
display_info (void)
{
+ struct display_target arg;
+
printf (_("BFD header file version %s\n"), BFD_VERSION_STRING);
- if (! display_target_list () || ! display_target_tables ())
- return 1;
- else
- return 0;
+
+ display_target_list (&arg);
+ if (!arg.error)
+ display_target_tables (&arg);
+
+ return arg.error;
}
\f
/* Display the archive header for an element as if it were an ls -l listing:
Mode User\tGroup\tSize\tDate Name */
void
-print_arelt_descr (FILE *file, bfd *abfd, bfd_boolean verbose)
+print_arelt_descr (FILE *file, bfd *abfd, bfd_boolean verbose, bfd_boolean offsets)
{
struct stat buf;
char timebuf[40];
time_t when = buf.st_mtime;
const char *ctime_result = (const char *) ctime (&when);
+ bfd_size_type size;
- /* POSIX format: skip weekday and seconds from ctime output. */
- sprintf (timebuf, "%.12s %.4s", ctime_result + 4, ctime_result + 20);
+ /* PR binutils/17605: Check for corrupt time values. */
+ if (ctime_result == NULL)
+ sprintf (timebuf, _("<time data corrupt>"));
+ else
+ /* POSIX format: skip weekday and seconds from ctime output. */
+ sprintf (timebuf, "%.12s %.4s", ctime_result + 4, ctime_result + 20);
mode_string (buf.st_mode, modebuf);
modebuf[10] = '\0';
+ size = buf.st_size;
/* POSIX 1003.2/D11 says to skip first character (entry type). */
- fprintf (file, "%s %ld/%ld %6ld %s ", modebuf + 1,
+ fprintf (file, "%s %ld/%ld %6" BFD_VMA_FMT "u %s ", modebuf + 1,
(long) buf.st_uid, (long) buf.st_gid,
- (long) buf.st_size, timebuf);
+ size, timebuf);
}
}
- fprintf (file, "%s\n", bfd_get_filename (abfd));
+ fprintf (file, "%s", bfd_get_filename (abfd));
+
+ if (offsets)
+ {
+ if (bfd_is_thin_archive (abfd) && abfd->proxy_origin)
+ fprintf (file, " 0x%lx", (unsigned long) abfd->proxy_origin);
+ else if (!bfd_is_thin_archive (abfd) && abfd->origin)
+ fprintf (file, " 0x%lx", (unsigned long) abfd->origin);
+ }
+
+ fprintf (file, "\n");
}
/* Return a path for a new temporary file in the same directory
template_in_dir (const char *path)
{
#define template "stXXXXXX"
- char *slash = strrchr (path, '/');
+ const char *slash = strrchr (path, '/');
char *tmpname;
size_t len;
if (slash == NULL || (bslash != NULL && bslash > slash))
slash = bslash;
if (slash == NULL && path[0] != '\0' && path[1] == ':')
- slash = filename + 1;
+ slash = path + 1;
}
#endif
if (slash != (char *) NULL)
{
len = slash - path;
- tmpname = xmalloc (len + sizeof (template) + 2);
+ tmpname = (char *) xmalloc (len + sizeof (template) + 2);
memcpy (tmpname, path, len);
#ifdef HAVE_DOS_BASED_FILE_SYSTEM
}
else
{
- tmpname = xmalloc (sizeof (template));
+ tmpname = (char *) xmalloc (sizeof (template));
len = 0;
}
as FILENAME. */
char *
-make_tempname (char *filename)
+make_tempname (const char *filename)
{
char *tmpname = template_in_dir (filename);
int fd;
fd = open (tmpname, O_RDWR | O_CREAT | O_EXCL, 0600);
#endif
if (fd == -1)
- return NULL;
+ {
+ free (tmpname);
+ return NULL;
+ }
close (fd);
return tmpname;
}
directory containing FILENAME. */
char *
-make_tempdir (char *filename)
+make_tempdir (const char *filename)
{
char *tmpname = template_in_dir (filename);
/* Returns the size of the named file. If the file does not
exist, or if it is not a real file, then a suitable non-fatal
- error message is printed and zero is returned. */
+ error message is printed and (off_t) -1 is returned. */
off_t
get_file_size (const char * file_name)
{
struct stat statbuf;
-
+
+ if (file_name == NULL)
+ return (off_t) -1;
+
if (stat (file_name, &statbuf) < 0)
{
if (errno == ENOENT)
else
non_fatal (_("Warning: could not locate '%s'. reason: %s"),
file_name, strerror (errno));
- }
+ }
+ else if (S_ISDIR (statbuf.st_mode))
+ non_fatal (_("Warning: '%s' is a directory"), file_name);
else if (! S_ISREG (statbuf.st_mode))
non_fatal (_("Warning: '%s' is not an ordinary file"), file_name);
+ else if (statbuf.st_size < 0)
+ non_fatal (_("Warning: '%s' has negative size, probably it is too large"),
+ file_name);
else
return statbuf.st_size;
- return 0;
+ return (off_t) -1;
}
/* Return the filename in a static buffer. */
const char *
-bfd_get_archive_filename (bfd *abfd)
+bfd_get_archive_filename (const bfd *abfd)
{
static size_t curr = 0;
static char *buf;
size_t needed;
assert (abfd != NULL);
-
- if (!abfd->my_archive)
+
+ if (abfd->my_archive == NULL
+ || bfd_is_thin_archive (abfd->my_archive))
return bfd_get_filename (abfd);
needed = (strlen (bfd_get_filename (abfd->my_archive))
if (curr)
free (buf);
curr = needed + (needed >> 1);
- buf = bfd_malloc (curr);
- /* If we can't malloc, fail safe by returning just the file name.
- This function is only used when building error messages. */
- if (!buf)
- {
- curr = 0;
- return bfd_get_filename (abfd);
- }
+ buf = (char *) xmalloc (curr);
}
sprintf (buf, "%s(%s)", bfd_get_filename (abfd->my_archive),
bfd_get_filename (abfd));
return buf;
}
+
+/* Returns TRUE iff PATHNAME, a filename of an archive member,
+ is valid for writing. For security reasons absolute paths
+ and paths containing /../ are not allowed. See PR 17533. */
+
+bfd_boolean
+is_valid_archive_path (char const * pathname)
+{
+ const char * n = pathname;
+
+ if (IS_ABSOLUTE_PATH (n))
+ return FALSE;
+
+ while (*n)
+ {
+ if (*n == '.' && *++n == '.' && ( ! *++n || IS_DIR_SEPARATOR (*n)))
+ return FALSE;
+
+ while (*n && ! IS_DIR_SEPARATOR (*n))
+ n++;
+ while (IS_DIR_SEPARATOR (*n))
+ n++;
+ }
+
+ return TRUE;
+}
projects / deliverable / binutils-gdb.git / blobdiff