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gpgtar,w32: Handle Unicode file names.
* tools/gpgtar.c (oUtf8Strings): New. (opts): Add option --utf8-strings. (parse_arguments): Set option. * tools/gpgtar.h (opt): Add field utf8strings. * tools/gpgtar-create.c (name_to_utf8): New. (fillup_entry_w32): Use that. (scan_directory): Ditto. (scan_directory) [W32]: Convert file name to utf8. (gpgtar_create): Convert pattern. -- Note that this works only with file names read from a file or if the specified files on the command line are plain ascii. When recursing into a directory Unicode file names work again. This limitation is due to main(int, char**) which can't get the wchar version. We could fix that but is needs a bit more work in our init code. GnuPG-bug-id: 4083 Signed-off-by: Werner Koch <wk@gnupg.org>
This commit is contained in:
Werner Koch
parent
364cef997c
commit
843890663b
@ -2033,6 +2033,12 @@ line.
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Modify option @option{--files-from} to use a binary nul instead of a
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linefeed to separate file names.
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@item --utf8-strings
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@opindex utf8-strings
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Assume that the file names read by @option{--files-from} are UTF-8
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encoded. This option has an effect only on Windows where the active
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code page is otherwise assumed.
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@item --openpgp
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@opindex openpgp
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This option has no effect because OpenPGP encryption and signing is
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@ -58,6 +58,38 @@ struct scanctrl_s
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/* On Windows convert name to UTF8 and return it; caller must release
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* the result. On Unix or if ALREADY_UTF8 is set, this function is a
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* mere xtrystrcopy. On failure NULL is returned and ERRNO set. */
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static char *
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name_to_utf8 (const char *name, int already_utf8)
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{
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#ifdef HAVE_W32_SYSTEM
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wchar_t *wstring;
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char *result;
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if (already_utf8)
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result = xtrystrdup (name);
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else
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{
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wstring = native_to_wchar (name);
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if (!wstring)
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return NULL;
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result = wchar_to_utf8 (wstring);
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xfree (wstring);
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}
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return result;
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#else /*!HAVE_W32_SYSTEM */
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(void)already_utf8;
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return xtrystrdup (name);
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#endif /*!HAVE_W32_SYSTEM */
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}
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/* Given a fresh header object HDR with only the name field set, try
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to gather all available info. This is the W32 version. */
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@ -73,7 +105,7 @@ fillup_entry_w32 (tar_header_t hdr)
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for (p=hdr->name; *p; p++)
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if (*p == '/')
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*p = '\\';
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wfname = native_to_wchar (hdr->name);
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wfname = utf8_to_wchar (hdr->name);
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for (p=hdr->name; *p; p++)
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if (*p == '\\')
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*p = '/';
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@ -213,7 +245,7 @@ fillup_entry_posix (tar_header_t hdr)
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#endif /*!HAVE_W32_SYSTEM*/
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/* Add a new entry. The name of a director entry is ENTRYNAME; if
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/* Add a new entry. The name of a directory entry is ENTRYNAME; if
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that is NULL, DNAME is the name of the directory itself. Under
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Windows ENTRYNAME shall have backslashes replaced by standard
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slashes. */
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@ -225,7 +257,7 @@ add_entry (const char *dname, const char *entryname, scanctrl_t scanctrl)
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char *p;
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size_t dnamelen = strlen (dname);
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assert (dnamelen);
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log_assert (dnamelen);
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hdr = xtrycalloc (1, sizeof *hdr + dnamelen + 1
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+ (entryname? strlen (entryname) : 0) + 1);
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@ -300,7 +332,7 @@ scan_directory (const char *dname, scanctrl_t scanctrl)
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for (p=fname; *p; p++)
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if (*p == '/')
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*p = '\\';
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wfname = native_to_wchar (fname);
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wfname = utf8_to_wchar (fname);
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xfree (fname);
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if (!wfname)
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{
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@ -323,7 +355,7 @@ scan_directory (const char *dname, scanctrl_t scanctrl)
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do
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{
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char *fname = wchar_to_native (fi.cFileName);
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char *fname = wchar_to_utf8 (fi.cFileName);
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if (!fname)
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{
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err = gpg_error_from_syserror ();
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@ -760,6 +792,19 @@ gpgtar_create (char **inpattern, const char *files_from, int null_names,
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estream_t cipher_stream = NULL;
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int eof_seen = 0;
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memset (scanctrl, 0, sizeof *scanctrl);
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scanctrl->flist_tail = &scanctrl->flist;
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/* { unsigned int cpno, cpno2, cpno3; */
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/* cpno = GetConsoleOutputCP (); */
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/* cpno2 = GetACP (); */
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/* cpno3 = GetOEMCP (); */
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/* log_debug ("Codepages: Console: %u ANSI: %u OEM: %u\n", */
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/* cpno, cpno2, cpno3); */
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/* } */
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if (!inpattern)
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{
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if (!files_from || !strcmp (files_from, "-"))
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@ -778,8 +823,6 @@ gpgtar_create (char **inpattern, const char *files_from, int null_names,
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}
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}
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memset (scanctrl, 0, sizeof *scanctrl);
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scanctrl->flist_tail = &scanctrl->flist;
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if (opt.directory && gnupg_chdir (opt.directory))
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{
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@ -805,7 +848,7 @@ gpgtar_create (char **inpattern, const char *files_from, int null_names,
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if (!*pattern)
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continue;
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pat = xtrystrdup (pattern);
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pat = name_to_utf8 (pattern, 0);
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}
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else /* Read Nul or LF delimited pattern from files_from_stream. */
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{
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@ -871,7 +914,7 @@ gpgtar_create (char **inpattern, const char *files_from, int null_names,
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if (skip_this || n < 2)
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continue;
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pat = xtrystrdup (namebuf);
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pat = name_to_utf8 (namebuf, opt.utf8strings);
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}
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if (!pat)
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@ -73,6 +73,7 @@ enum cmd_and_opt_values
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oCMS,
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oSetFilename,
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oNull,
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oUtf8Strings,
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/* Compatibility with gpg-zip. */
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oGpgArgs,
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@ -117,6 +118,12 @@ static ARGPARSE_OPTS opts[] = {
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ARGPARSE_s_s (oFilesFrom, "files-from",
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N_("|FILE|get names to create from FILE")),
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ARGPARSE_s_n (oNull, "null", N_("-T reads null-terminated names")),
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#ifdef HAVE_W32_SYSTEM
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ARGPARSE_s_n (oUtf8Strings, "utf8-strings",
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N_("-T reads UTF-8 encoded names")),
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#else
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ARGPARSE_s_n (oUtf8Strings, "utf8-strings", "@"),
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#endif
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ARGPARSE_s_s (oGpgArgs, "gpg-args", "@"),
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ARGPARSE_s_s (oTarArgs, "tar-args", "@"),
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@ -319,6 +326,7 @@ parse_arguments (ARGPARSE_ARGS *pargs, ARGPARSE_OPTS *popts)
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case oNoVerbose: opt.verbose = 0; break;
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case oFilesFrom: files_from = pargs->r.ret_str; break;
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case oNull: null_names = 1; break;
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case oUtf8Strings: opt.utf8strings = 1; break;
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case aList:
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case aDecrypt:
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@ -32,6 +32,7 @@ struct
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unsigned int debug_level;
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int quiet;
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int dry_run;
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int utf8strings;
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const char *gpg_program;
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strlist_t gpg_arguments;
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const char *outfile;
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@ -121,7 +122,7 @@ struct tar_header_s
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unsigned long long nrecords; /* Number of data records. */
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char name[1]; /* Filename (dynamically extended). */
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char name[1]; /* Filename (UTF-8, dynamically extended). */
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};
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