/* bucomm.c -- Bin Utils COMmon code.
- Copyright 1991, 1992, 1993, 1994, 1995, 1997, 1998, 2000, 2001
- Free Software Foundation, Inc.
+ Copyright (C) 1991-2016 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,
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., 59 Temple Place - Suite 330, Boston, MA
- 02111-1307, USA. */
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
+ 02110-1301, USA. */
\f
/* 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 "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
#endif
#endif
-/* Ought to be defined in libiberty.h... */
-extern int mkstemps PARAMS ((char *, int));
+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 */
+/* Error reporting. */
char *program_name;
void
-bfd_nonfatal (string)
- CONST char *string;
+bfd_nonfatal (const char *string)
{
- CONST char *errmsg = bfd_errmsg (bfd_get_error ());
+ const char *errmsg;
+ errmsg = bfd_errmsg (bfd_get_error ());
+ 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;
+
+ errmsg = bfd_errmsg (bfd_get_error ());
+ 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_get_section_name (abfd, 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 (string)
- CONST char *string;
+bfd_fatal (const char *string)
{
bfd_nonfatal (string);
xexit (1);
}
void
-report (format, args)
- const char * format;
- va_list args;
+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
different target. */
void
-set_default_bfd_target ()
+set_default_bfd_target (void)
{
/* The macro TARGET is defined by Makefile. */
const char *target = TARGET;
target, bfd_errmsg (bfd_get_error ()));
}
-/* After a false return from bfd_check_format_matches with
+/* After a FALSE return from bfd_check_format_matches with
bfd_get_error () == bfd_error_file_ambiguously_recognized, print
the possible matching targets. */
void
-list_matching_formats (p)
- char **p;
+list_matching_formats (char **p)
{
+ fflush (stdout);
fprintf (stderr, _("%s: Matching formats:"), program_name);
while (*p)
fprintf (stderr, " %s", *p++);
/* List the supported targets. */
void
-list_supported_targets (name, f)
- const char *name;
- FILE *f;
+list_supported_targets (const char *name, FILE *f)
{
- extern const bfd_target *const *bfd_target_vector;
int t;
+ const char **targ_names;
if (name == NULL)
fprintf (f, _("Supported targets:"));
else
fprintf (f, _("%s: supported targets:"), name);
- for (t = 0; bfd_target_vector[t] != NULL; t++)
- fprintf (f, " %s", bfd_target_vector[t]->name);
+
+ targ_names = bfd_target_list ();
+ for (t = 0; targ_names[t] != NULL; t++)
+ fprintf (f, " %s", targ_names[t]);
fprintf (f, "\n");
+ free (targ_names);
}
/* List the supported architectures. */
void
-list_supported_architectures (name, f)
- const char *name;
- FILE *f;
+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");
+ }
+}
+
+/* List the targets that BFD is configured to support, each followed
+ by its endianness and the architectures it supports. */
+
+static int
+display_target_list (void)
+{
+ char *dummy_name;
+ int t;
+ int ret = 1;
+
+ dummy_name = make_temp_file (NULL);
+ for (t = 0; bfd_target_vector[t]; t++)
+ {
+ const bfd_target *p = bfd_target_vector[t];
+ bfd *abfd = bfd_openw (dummy_name, p->name);
+ int a;
+
+ printf (_("%s\n (header %s, data %s)\n"), p->name,
+ endian_string (p->header_byteorder),
+ endian_string (p->byteorder));
+
+ if (abfd == NULL)
+ {
+ bfd_nonfatal (dummy_name);
+ ret = 0;
+ continue;
+ }
+
+ if (! bfd_set_format (abfd, bfd_object))
+ {
+ if (bfd_get_error () != bfd_error_invalid_operation)
+ {
+ bfd_nonfatal (p->name);
+ ret = 0;
+ }
+ bfd_close_all_done (abfd);
+ continue;
+ }
+
+ 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);
+ }
+ unlink (dummy_name);
+ free (dummy_name);
+
+ return ret;
+}
+
+/* Print a table showing which architectures are supported for entries
+ FIRST through LAST-1 of bfd_target_vector (targets across,
+ architectures down). */
+
+static int
+display_info_table (int first, int last)
+{
+ int t;
+ int ret = 1;
+ char *dummy_name;
+ int 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 ((enum bfd_architecture) a, 0),
+ "UNKNOWN!") != 0)
+ {
+ printf ("%*s ", (int) LONGEST_ARCH - 1,
+ bfd_printable_arch_mach ((enum bfd_architecture) 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, (enum bfd_architecture) 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);
+
+ return ret;
+}
+
+/* Print tables of all the target-architecture combinations that
+ BFD has been configured to support. */
+
+static int
+display_target_tables (void)
+{
+ 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)
+ {
+ int oldt = t, wid;
+
+ wid = LONGEST_ARCH + strlen (bfd_target_vector[t]->name) + 1;
+ ++t;
+ while (wid < columns && bfd_target_vector[t] != NULL)
+ {
+ int newwid;
+
+ newwid = wid + strlen (bfd_target_vector[t]->name) + 1;
+ if (newwid >= columns)
+ break;
+ wid = newwid;
+ ++t;
+ }
+ if (! display_info_table (oldt, t))
+ ret = 0;
+ }
+
+ return ret;
+}
+
+int
+display_info (void)
+{
+ printf (_("BFD header file version %s\n"), BFD_VERSION_STRING);
+ if (! display_target_list () || ! display_target_tables ())
+ return 1;
+ else
+ return 0;
}
\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, abfd, verbose)
- FILE *file;
- bfd *abfd;
- boolean verbose;
+print_arelt_descr (FILE *file, bfd *abfd, bfd_boolean verbose)
{
struct stat buf;
char modebuf[11];
char timebuf[40];
time_t when = buf.st_mtime;
- CONST char *ctime_result = (CONST char *) ctime (&when);
+ 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));
}
-/* Return the name of a temporary file in the same directory as FILENAME. */
+/* Return a path for a new temporary file in the same directory
+ as file PATH. */
-char *
-make_tempname (filename)
- char *filename;
+static char *
+template_in_dir (const char *path)
{
- static char template[] = "stXXXXXX";
+#define template "stXXXXXX"
+ const char *slash = strrchr (path, '/');
char *tmpname;
- char *slash = strrchr (filename, '/');
+ size_t len;
#ifdef HAVE_DOS_BASED_FILE_SYSTEM
{
/* We could have foo/bar\\baz, or foo\\bar, or d:bar. */
- char *bslash = strrchr (filename, '\\');
+ char *bslash = strrchr (path, '\\');
+
if (slash == NULL || (bslash != NULL && bslash > slash))
slash = bslash;
- if (slash == NULL && filename[0] != '\0' && filename[1] == ':')
- slash = filename + 1;
+ if (slash == NULL && path[0] != '\0' && path[1] == ':')
+ slash = path + 1;
}
#endif
if (slash != (char *) NULL)
{
- char c;
+ len = slash - path;
+ tmpname = (char *) xmalloc (len + sizeof (template) + 2);
+ memcpy (tmpname, path, len);
- c = *slash;
- *slash = 0;
- tmpname = xmalloc (strlen (filename) + sizeof (template) + 2);
- strcpy (tmpname, filename);
#ifdef HAVE_DOS_BASED_FILE_SYSTEM
/* If tmpname is "X:", appending a slash will make it a root
directory on drive X, which is NOT the same as the current
directory on drive X. */
- if (tmpname[1] == ':' && tmpname[2] == '\0')
- strcat (tmpname, ".");
+ if (len == 2 && tmpname[1] == ':')
+ tmpname[len++] = '.';
#endif
- strcat (tmpname, "/");
- strcat (tmpname, template);
- close (mkstemps (tmpname, 0));
- *slash = c;
+ tmpname[len++] = '/';
}
else
{
- tmpname = xmalloc (sizeof (template));
- strcpy (tmpname, template);
- close (mkstemps (tmpname, 0));
+ tmpname = (char *) xmalloc (sizeof (template));
+ len = 0;
+ }
+
+ memcpy (tmpname + len, template, sizeof (template));
+ return tmpname;
+#undef template
+}
+
+/* Return the name of a created temporary file in the same directory
+ as FILENAME. */
+
+char *
+make_tempname (char *filename)
+{
+ char *tmpname = template_in_dir (filename);
+ int fd;
+
+#ifdef HAVE_MKSTEMP
+ fd = mkstemp (tmpname);
+#else
+ tmpname = mktemp (tmpname);
+ if (tmpname == NULL)
+ return NULL;
+ fd = open (tmpname, O_RDWR | O_CREAT | O_EXCL, 0600);
+#endif
+ if (fd == -1)
+ {
+ free (tmpname);
+ return NULL;
}
+ close (fd);
return tmpname;
}
+/* Return the name of a created temporary directory inside the
+ directory containing FILENAME. */
+
+char *
+make_tempdir (char *filename)
+{
+ char *tmpname = template_in_dir (filename);
+
+#ifdef HAVE_MKDTEMP
+ return mkdtemp (tmpname);
+#else
+ tmpname = mktemp (tmpname);
+ if (tmpname == NULL)
+ return NULL;
+#if defined (_WIN32) && !defined (__CYGWIN32__)
+ if (mkdir (tmpname) != 0)
+ return NULL;
+#else
+ if (mkdir (tmpname, 0700) != 0)
+ return NULL;
+#endif
+ return tmpname;
+#endif
+}
+
/* Parse a string into a VMA, with a fatal error if it can't be
parsed. */
bfd_vma
-parse_vma (s, arg)
- const char *s;
- const char *arg;
+parse_vma (const char *s, const char *arg)
{
bfd_vma ret;
const char *end;
ret = bfd_scan_vma (s, &end, 0);
-
+
if (*end != '\0')
fatal (_("%s: bad number: %s"), arg, s);
return ret;
}
+
+/* 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 (off_t) -1 is returned. */
+
+off_t
+get_file_size (const char * file_name)
+{
+ struct stat statbuf;
+
+ if (stat (file_name, &statbuf) < 0)
+ {
+ if (errno == ENOENT)
+ non_fatal (_("'%s': No such file"), file_name);
+ else
+ non_fatal (_("Warning: could not locate '%s'. reason: %s"),
+ file_name, strerror (errno));
+ }
+ 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 (off_t) -1;
+}
+
+/* Return the filename in a static buffer. */
+
+const char *
+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)
+ return bfd_get_filename (abfd);
+
+ needed = (strlen (bfd_get_filename (abfd->my_archive))
+ + strlen (bfd_get_filename (abfd)) + 3);
+ if (needed > curr)
+ {
+ if (curr)
+ free (buf);
+ curr = needed + (needed >> 1);
+ buf = (char *) 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);
+ }
+ }
+ 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