mirror of
https://git.in.rschanz.org/ryan77627/guix.git
synced 2024-12-27 06:42:14 -05:00
31d289a475
Non-exhaustively fixes CVE-2016-9844, CVE-2018-1000035, CVE-2018-18384, and CVE-2019-13232. * gnu/packages/patches/unzip-COVSCAN-fix-unterminated-string.patch, gnu/packages/patches/unzip-CVE-2016-9844.patch, gnu/packages/patches/unzip-CVE-2018-1000035.patch, gnu/packages/patches/unzip-CVE-2018-18384.patch, gnu/packages/patches/unzip-case-insensitive.patch, gnu/packages/patches/unzip-alt-iconv-utf8-print.patch, gnu/packages/patches/unzip-alt-iconv-utf8.patch, gnu/packages/patches/unzip-close.patch, gnu/packages/patches/unzip-exec-shield.patch, gnu/packages/patches/unzip-fix-recmatch.patch, gnu/packages/patches/unzip-manpage-fix.patch, gnu/packages/patches/unzip-overflow.patch, gnu/packages/patches/unzip-symlink.patch, gnu/packages/patches/unzip-timestamp.patch, gnu/packages/patches/unzip-valgrind.patch, gnu/packages/patches/unzip-x-option.patch, gnu/packages/patches/unzip-zipbomb-manpage.patch, gnu/packages/patches/unzip-zipbomb-part1.patch, gnu/packages/patches/unzip-zipbomb-part2.patch, gnu/packages/patches/unzip-zipbomb-part3.patch: New patches. * gnu/local.mk (dist_patch_DATA): Register them. * gnu/packages/compression.scm (unzip/fixed): New variable. Apply patches. (unzip)[replacement]: Graft.
398 lines
14 KiB
Diff
398 lines
14 KiB
Diff
From: Giovanni Scafora <giovanni.archlinux.org>
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Subject: unzip files encoded with non-latin, non-unicode file names
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Last-Update: 2015-02-11
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Updated 2015-02-11 by Marc Deslauriers <marc.deslauriers@canonical.com>
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to fix buffer overflow in charset_to_intern()
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Index: unzip-6.0/unix/unix.c
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===================================================================
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--- unzip-6.0.orig/unix/unix.c 2015-02-11 08:46:43.675324290 -0500
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+++ unzip-6.0/unix/unix.c 2015-02-11 09:18:04.902081319 -0500
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@@ -30,6 +30,9 @@
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#define UNZIP_INTERNAL
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#include "unzip.h"
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+#include <iconv.h>
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+#include <langinfo.h>
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+
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#ifdef SCO_XENIX
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# define SYSNDIR
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#else /* SCO Unix, AIX, DNIX, TI SysV, Coherent 4.x, ... */
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@@ -1874,3 +1877,102 @@
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}
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}
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#endif /* QLZIP */
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+
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+
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+typedef struct {
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+ char *local_charset;
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+ char *archive_charset;
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+} CHARSET_MAP;
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+
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+/* A mapping of local <-> archive charsets used by default to convert filenames
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+ * of DOS/Windows Zip archives. Currently very basic. */
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+static CHARSET_MAP dos_charset_map[] = {
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+ { "ANSI_X3.4-1968", "CP850" },
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+ { "ISO-8859-1", "CP850" },
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+ { "CP1252", "CP850" },
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+ { "UTF-8", "CP866" },
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+ { "KOI8-R", "CP866" },
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+ { "KOI8-U", "CP866" },
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+ { "ISO-8859-5", "CP866" }
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+};
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+
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+char OEM_CP[MAX_CP_NAME] = "";
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+char ISO_CP[MAX_CP_NAME] = "";
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+
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+/* Try to guess the default value of OEM_CP based on the current locale.
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+ * ISO_CP is left alone for now. */
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+void init_conversion_charsets()
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+{
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+ const char *local_charset;
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+ int i;
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+
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+ /* Make a guess only if OEM_CP not already set. */
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+ if(*OEM_CP == '\0') {
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+ local_charset = nl_langinfo(CODESET);
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+ for(i = 0; i < sizeof(dos_charset_map)/sizeof(CHARSET_MAP); i++)
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+ if(!strcasecmp(local_charset, dos_charset_map[i].local_charset)) {
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+ strncpy(OEM_CP, dos_charset_map[i].archive_charset,
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+ sizeof(OEM_CP));
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+ break;
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+ }
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+ }
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+}
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+
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+/* Convert a string from one encoding to the current locale using iconv().
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+ * Be as non-intrusive as possible. If error is encountered during covertion
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+ * just leave the string intact. */
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+static void charset_to_intern(char *string, char *from_charset)
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+{
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+ iconv_t cd;
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+ char *s,*d, *buf;
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+ size_t slen, dlen, buflen;
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+ const char *local_charset;
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+
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+ if(*from_charset == '\0')
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+ return;
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+
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+ buf = NULL;
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+ local_charset = nl_langinfo(CODESET);
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+
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+ if((cd = iconv_open(local_charset, from_charset)) == (iconv_t)-1)
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+ return;
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+
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+ slen = strlen(string);
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+ s = string;
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+
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+ /* Make sure OUTBUFSIZ + 1 never ends up smaller than FILNAMSIZ
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+ * as this function also gets called with G.outbuf in fileio.c
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+ */
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+ buflen = FILNAMSIZ;
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+ if (OUTBUFSIZ + 1 < FILNAMSIZ)
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+ {
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+ buflen = OUTBUFSIZ + 1;
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+ }
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+
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+ d = buf = malloc(buflen);
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+ if(!d)
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+ goto cleanup;
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+
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+ bzero(buf,buflen);
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+ dlen = buflen - 1;
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+
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+ if(iconv(cd, &s, &slen, &d, &dlen) == (size_t)-1)
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+ goto cleanup;
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+ strncpy(string, buf, buflen);
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+
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+ cleanup:
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+ free(buf);
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+ iconv_close(cd);
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+}
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+
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+/* Convert a string from OEM_CP to the current locale charset. */
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+inline void oem_intern(char *string)
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+{
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+ charset_to_intern(string, OEM_CP);
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+}
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+
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+/* Convert a string from ISO_CP to the current locale charset. */
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+inline void iso_intern(char *string)
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+{
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+ charset_to_intern(string, ISO_CP);
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+}
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Index: unzip-6.0/unix/unxcfg.h
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===================================================================
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--- unzip-6.0.orig/unix/unxcfg.h 2015-02-11 08:46:43.675324290 -0500
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+++ unzip-6.0/unix/unxcfg.h 2015-02-11 08:46:43.671324260 -0500
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@@ -228,4 +228,30 @@
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/* wild_dir, dirname, wildname, matchname[], dirnamelen, have_dirname, */
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/* and notfirstcall are used by do_wild(). */
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+
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+#define MAX_CP_NAME 25
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+
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+#ifdef SETLOCALE
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+# undef SETLOCALE
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+#endif
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+#define SETLOCALE(category, locale) setlocale(category, locale)
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+#include <locale.h>
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+
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+#ifdef _ISO_INTERN
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+# undef _ISO_INTERN
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+#endif
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+#define _ISO_INTERN(str1) iso_intern(str1)
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+
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+#ifdef _OEM_INTERN
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+# undef _OEM_INTERN
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+#endif
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+#ifndef IZ_OEM2ISO_ARRAY
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+# define IZ_OEM2ISO_ARRAY
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+#endif
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+#define _OEM_INTERN(str1) oem_intern(str1)
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+
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+void iso_intern(char *);
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+void oem_intern(char *);
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+void init_conversion_charsets(void);
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+
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#endif /* !__unxcfg_h */
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Index: unzip-6.0/unzip.c
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===================================================================
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--- unzip-6.0.orig/unzip.c 2015-02-11 08:46:43.675324290 -0500
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+++ unzip-6.0/unzip.c 2015-02-11 08:46:43.675324290 -0500
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@@ -327,11 +327,21 @@
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-2 just filenames but allow -h/-t/-z -l long Unix \"ls -l\" format\n\
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-v verbose, multi-page format\n";
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+#ifndef UNIX
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static ZCONST char Far ZipInfoUsageLine3[] = "miscellaneous options:\n\
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-h print header line -t print totals for listed files or for all\n\
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-z print zipfile comment -T print file times in sortable decimal format\
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\n -C be case-insensitive %s\
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-x exclude filenames that follow from listing\n";
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+#else /* UNIX */
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+static ZCONST char Far ZipInfoUsageLine3[] = "miscellaneous options:\n\
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+ -h print header line -t print totals for listed files or for all\n\
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+ -z print zipfile comment %c-T%c print file times in sortable decimal format\
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+\n %c-C%c be case-insensitive %s\
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+ -x exclude filenames that follow from listing\n\
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+ -O CHARSET specify a character encoding for DOS, Windows and OS/2 archives\n\
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+ -I CHARSET specify a character encoding for UNIX and other archives\n";
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+#endif /* !UNIX */
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#ifdef MORE
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static ZCONST char Far ZipInfoUsageLine4[] =
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" -M page output through built-in \"more\"\n";
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@@ -664,6 +674,17 @@
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-U use escapes for all non-ASCII Unicode -UU ignore any Unicode fields\n\
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-C match filenames case-insensitively -L make (some) names \
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lowercase\n %-42s -V retain VMS version numbers\n%s";
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+#elif (defined UNIX)
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+static ZCONST char Far UnzipUsageLine4[] = "\
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+modifiers:\n\
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+ -n never overwrite existing files -q quiet mode (-qq => quieter)\n\
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+ -o overwrite files WITHOUT prompting -a auto-convert any text files\n\
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+ -j junk paths (do not make directories) -aa treat ALL files as text\n\
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+ -U use escapes for all non-ASCII Unicode -UU ignore any Unicode fields\n\
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+ -C match filenames case-insensitively -L make (some) names \
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+lowercase\n %-42s -V retain VMS version numbers\n%s\
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+ -O CHARSET specify a character encoding for DOS, Windows and OS/2 archives\n\
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+ -I CHARSET specify a character encoding for UNIX and other archives\n\n";
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#else /* !VMS */
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static ZCONST char Far UnzipUsageLine4[] = "\
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modifiers:\n\
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@@ -802,6 +823,10 @@
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#endif /* UNICODE_SUPPORT */
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+#ifdef UNIX
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+ init_conversion_charsets();
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+#endif
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+
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#if (defined(__IBMC__) && defined(__DEBUG_ALLOC__))
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extern void DebugMalloc(void);
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@@ -1335,6 +1360,11 @@
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argc = *pargc;
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argv = *pargv;
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+#ifdef UNIX
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+ extern char OEM_CP[MAX_CP_NAME];
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+ extern char ISO_CP[MAX_CP_NAME];
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+#endif
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+
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while (++argv, (--argc > 0 && *argv != NULL && **argv == '-')) {
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s = *argv + 1;
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while ((c = *s++) != 0) { /* "!= 0": prevent Turbo C warning */
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@@ -1516,6 +1546,35 @@
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}
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break;
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#endif /* MACOS */
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+#ifdef UNIX
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+ case ('I'):
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+ if (negative) {
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+ Info(slide, 0x401, ((char *)slide,
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+ "error: encodings can't be negated"));
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+ return(PK_PARAM);
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+ } else {
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+ if(*s) { /* Handle the -Icharset case */
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+ /* Assume that charsets can't start with a dash to spot arguments misuse */
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+ if(*s == '-') {
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+ Info(slide, 0x401, ((char *)slide,
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+ "error: a valid character encoding should follow the -I argument"));
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+ return(PK_PARAM);
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+ }
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+ strncpy(ISO_CP, s, sizeof(ISO_CP));
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+ } else { /* -I charset */
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+ ++argv;
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+ if(!(--argc > 0 && *argv != NULL && **argv != '-')) {
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+ Info(slide, 0x401, ((char *)slide,
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+ "error: a valid character encoding should follow the -I argument"));
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+ return(PK_PARAM);
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+ }
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+ s = *argv;
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+ strncpy(ISO_CP, s, sizeof(ISO_CP));
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+ }
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+ while(*(++s)); /* No params straight after charset name */
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+ }
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+ break;
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+#endif /* ?UNIX */
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case ('j'): /* junk pathnames/directory structure */
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if (negative)
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uO.jflag = FALSE, negative = 0;
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@@ -1591,6 +1650,35 @@
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} else
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++uO.overwrite_all;
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break;
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+#ifdef UNIX
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+ case ('O'):
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+ if (negative) {
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+ Info(slide, 0x401, ((char *)slide,
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+ "error: encodings can't be negated"));
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+ return(PK_PARAM);
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+ } else {
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+ if(*s) { /* Handle the -Ocharset case */
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+ /* Assume that charsets can't start with a dash to spot arguments misuse */
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+ if(*s == '-') {
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+ Info(slide, 0x401, ((char *)slide,
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+ "error: a valid character encoding should follow the -I argument"));
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+ return(PK_PARAM);
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+ }
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+ strncpy(OEM_CP, s, sizeof(OEM_CP));
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+ } else { /* -O charset */
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+ ++argv;
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+ if(!(--argc > 0 && *argv != NULL && **argv != '-')) {
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+ Info(slide, 0x401, ((char *)slide,
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+ "error: a valid character encoding should follow the -O argument"));
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+ return(PK_PARAM);
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+ }
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+ s = *argv;
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+ strncpy(OEM_CP, s, sizeof(OEM_CP));
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+ }
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+ while(*(++s)); /* No params straight after charset name */
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+ }
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+ break;
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+#endif /* ?UNIX */
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case ('p'): /* pipes: extract to stdout, no messages */
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if (negative) {
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uO.cflag = FALSE;
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Index: unzip-6.0/unzpriv.h
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===================================================================
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--- unzip-6.0.orig/unzpriv.h 2015-02-11 08:46:43.675324290 -0500
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+++ unzip-6.0/unzpriv.h 2015-02-11 08:46:43.675324290 -0500
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@@ -3008,7 +3008,7 @@
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!(((islochdr) || (isuxatt)) && \
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((hostver) == 25 || (hostver) == 26 || (hostver) == 40))) || \
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(hostnum) == FS_HPFS_ || \
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- ((hostnum) == FS_NTFS_ && (hostver) == 50)) { \
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+ ((hostnum) == FS_NTFS_ /* && (hostver) == 50 */ )) { \
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_OEM_INTERN((string)); \
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} else { \
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_ISO_INTERN((string)); \
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Index: unzip-6.0/zipinfo.c
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===================================================================
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--- unzip-6.0.orig/zipinfo.c 2015-02-11 08:46:43.675324290 -0500
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+++ unzip-6.0/zipinfo.c 2015-02-11 08:46:43.675324290 -0500
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@@ -457,6 +457,10 @@
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int tflag_slm=TRUE, tflag_2v=FALSE;
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int explicit_h=FALSE, explicit_t=FALSE;
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+#ifdef UNIX
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+ extern char OEM_CP[MAX_CP_NAME];
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+ extern char ISO_CP[MAX_CP_NAME];
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+#endif
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#ifdef MACOS
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uO.lflag = LFLAG; /* reset default on each call */
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@@ -501,6 +505,35 @@
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uO.lflag = 0;
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}
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break;
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+#ifdef UNIX
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+ case ('I'):
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+ if (negative) {
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+ Info(slide, 0x401, ((char *)slide,
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+ "error: encodings can't be negated"));
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+ return(PK_PARAM);
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+ } else {
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+ if(*s) { /* Handle the -Icharset case */
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+ /* Assume that charsets can't start with a dash to spot arguments misuse */
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+ if(*s == '-') {
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+ Info(slide, 0x401, ((char *)slide,
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+ "error: a valid character encoding should follow the -I argument"));
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+ return(PK_PARAM);
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+ }
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+ strncpy(ISO_CP, s, sizeof(ISO_CP));
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+ } else { /* -I charset */
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+ ++argv;
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+ if(!(--argc > 0 && *argv != NULL && **argv != '-')) {
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+ Info(slide, 0x401, ((char *)slide,
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+ "error: a valid character encoding should follow the -I argument"));
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+ return(PK_PARAM);
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+ }
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+ s = *argv;
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+ strncpy(ISO_CP, s, sizeof(ISO_CP));
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+ }
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+ while(*(++s)); /* No params straight after charset name */
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+ }
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+ break;
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+#endif /* ?UNIX */
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case 'l': /* longer form of "ls -l" type listing */
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if (negative)
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uO.lflag = -2, negative = 0;
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@@ -521,6 +554,35 @@
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G.M_flag = TRUE;
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break;
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#endif
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+#ifdef UNIX
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+ case ('O'):
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+ if (negative) {
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+ Info(slide, 0x401, ((char *)slide,
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+ "error: encodings can't be negated"));
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+ return(PK_PARAM);
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+ } else {
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+ if(*s) { /* Handle the -Ocharset case */
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+ /* Assume that charsets can't start with a dash to spot arguments misuse */
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+ if(*s == '-') {
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+ Info(slide, 0x401, ((char *)slide,
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+ "error: a valid character encoding should follow the -I argument"));
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+ return(PK_PARAM);
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+ }
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+ strncpy(OEM_CP, s, sizeof(OEM_CP));
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+ } else { /* -O charset */
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+ ++argv;
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+ if(!(--argc > 0 && *argv != NULL && **argv != '-')) {
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+ Info(slide, 0x401, ((char *)slide,
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+ "error: a valid character encoding should follow the -O argument"));
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+ return(PK_PARAM);
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+ }
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+ s = *argv;
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+ strncpy(OEM_CP, s, sizeof(OEM_CP));
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+ }
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+ while(*(++s)); /* No params straight after charset name */
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+ }
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+ break;
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+#endif /* ?UNIX */
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case 's': /* default: shorter "ls -l" type listing */
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if (negative)
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uO.lflag = -2, negative = 0;
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