unzip: support --version argument

Author: mmatuska

CMakeLists.txt

@@ -65,6 +65,7 @@ SET(VERSION                    "${_major}.${_trimmed_minor}.${_trimmed_revision}
 SET(BSDCPIO_VERSION_STRING     "${VERSION}")
 SET(BSDTAR_VERSION_STRING      "${VERSION}")
 SET(BSDCAT_VERSION_STRING      "${VERSION}")
+SET(BSDUNZIP_VERSION_STRING    "${VERSION}")
 SET(LIBARCHIVE_VERSION_NUMBER  "${_version_number}")
 SET(LIBARCHIVE_VERSION_STRING  "${VERSION}")
 
@@ -695,6 +696,7 @@ int main(void) { return EXT2_IOC_GETFLAGS; }" HAVE_WORKING_EXT2_IOC_GETFLAGS)
 
 LA_CHECK_INCLUDE_FILE("fcntl.h" HAVE_FCNTL_H)
 LA_CHECK_INCLUDE_FILE("fnmatch.h" HAVE_FNMATCH_H)
+LA_CHECK_INCLUDE_FILE("getopt.h" HAVE_GETOPT_H)
 LA_CHECK_INCLUDE_FILE("grp.h" HAVE_GRP_H)
 LA_CHECK_INCLUDE_FILE("inttypes.h" HAVE_INTTYPES_H)
 LA_CHECK_INCLUDE_FILE("io.h" HAVE_IO_H)

Makefile.am

@@ -1510,6 +1510,7 @@ bsdunzip_test_SOURCES= \
 	unzip/test/test_q.c \
 	unzip/test/test_t.c \
 	unzip/test/test_t_bad.c \
+	unzip/test/test_version.c \
 	unzip/test/test_x.c \
 	unzip/test/test_Z1.c \
 	unzip/test/test_P_encryption.c

build/cmake/config.h.in

@@ -342,6 +342,9 @@ typedef uint64_t uintmax_t;
 /* Version number of bsdcat */
 #cmakedefine BSDCAT_VERSION_STRING "@BSDCAT_VERSION_STRING@"
 
+/* Version number of bsdunzip */
+#cmakedefine BSDUNZIP_VERSION_STRING "@BSDUNZIP_VERSION_STRING@"
+
 /* Define to 1 if you have the `acl_create_entry' function. */
 #cmakedefine HAVE_ACL_CREATE_ENTRY 1
 
@@ -645,6 +648,9 @@ typedef uint64_t uintmax_t;
 /* Define to 1 if you have the `getline' function. */
 #cmakedefine HAVE_GETLINE 1
 
+/* Define to 1 if you have the <getopt.h> header file. */
+#cmakedefine HAVE_GETOPT_H 1
+
 /* Define to 1 if platform uses `optreset` to reset `getopt` */
 #cmakedefine HAVE_GETOPT_OPTRESET 1
 

configure.ac

@@ -11,6 +11,7 @@ dnl bsdtar and bsdcpio versioning tracks libarchive
 m4_define([BSDTAR_VERSION_S],LIBARCHIVE_VERSION_S())
 m4_define([BSDCPIO_VERSION_S],LIBARCHIVE_VERSION_S())
 m4_define([BSDCAT_VERSION_S],LIBARCHIVE_VERSION_S())
+m4_define([BSDUNZIP_VERSION_S],LIBARCHIVE_VERSION_S())
 
 AC_PREREQ([2.71])
 
@@ -59,13 +60,16 @@ AC_DEFINE([BSDTAR_VERSION_STRING],"BSDTAR_VERSION_S()",
 	[Version number of bsdtar])
 AC_DEFINE([BSDCAT_VERSION_STRING],"BSDTAR_VERSION_S()",
 	[Version number of bsdcat])
+AC_DEFINE([BSDUNZIP_VERSION_STRING],"BSDUNZIP_VERSION_S()",
+	[Version number of bsdunzip])
 
 # The shell variables here must be the same as the AC_SUBST() variables
 # below, but the shell variable names apparently cannot be the same as
 # the m4 macro names above.  Why?  Ask autoconf.
 BSDCPIO_VERSION_STRING=BSDCPIO_VERSION_S()
 BSDTAR_VERSION_STRING=BSDTAR_VERSION_S()
 BSDCAT_VERSION_STRING=BSDCAT_VERSION_S()
+BSDUNZIP_VERSION_STRING=BSDUNZIP_VERSION_S()
 LIBARCHIVE_VERSION_STRING=LIBARCHIVE_VERSION_S()
 LIBARCHIVE_VERSION_NUMBER=LIBARCHIVE_VERSION_N()
 
@@ -76,6 +80,7 @@ AC_SUBST(ARCHIVE_LIBTOOL_VERSION)
 AC_SUBST(BSDCPIO_VERSION_STRING)
 AC_SUBST(BSDTAR_VERSION_STRING)
 AC_SUBST(BSDCAT_VERSION_STRING)
+AC_SUBST(BSDUNZIP_VERSION_STRING)
 AC_SUBST(LIBARCHIVE_VERSION_STRING)
 AC_SUBST(LIBARCHIVE_VERSION_NUMBER)
 
@@ -324,7 +329,7 @@ AC_HEADER_DIRENT
 AC_HEADER_SYS_WAIT
 AC_CHECK_HEADERS([acl/libacl.h attr/xattr.h])
 AC_CHECK_HEADERS([copyfile.h ctype.h])
-AC_CHECK_HEADERS([errno.h ext2fs/ext2_fs.h fcntl.h fnmatch.h grp.h])
+AC_CHECK_HEADERS([errno.h ext2fs/ext2_fs.h fcntl.h fnmatch.h getopt.h grp.h])
 
 AC_CACHE_CHECK([whether EXT2_IOC_GETFLAGS is usable],
     [ac_cv_have_decl_EXT2_IOC_GETFLAGS],

unzip/bsdunzip.c

@@ -59,6 +59,9 @@
 #ifdef HAVE_FNMATCH_H
 #include <fnmatch.h>
 #endif
+#ifdef HAVE_GETOPT_H
+#include <getopt.h>
+#endif
 #ifdef HAVE_STDARG_H
 #include <stdarg.h>
 #endif
@@ -103,6 +106,7 @@ static int		 u_opt;		/* update */
 static int		 v_opt;		/* verbose/list */
 static const char	*y_str = "";	/* 4 digit year */
 static int		 Z1_opt;	/* zipinfo mode list files only */
+static int		 version_opt;	/* version string */
 
 /* debug flag */
 static int		 unzip_debug;
@@ -1089,17 +1093,34 @@ usage(void)
 	exit(EXIT_FAILURE);
 }
 
+static void
+version(void)
+{
+        printf("bsdunzip %s - %s \n",
+            BSDUNZIP_VERSION_STRING,
+            archive_version_details());
+        exit(0);
+}
+
 static int
 getopts(int argc, char *argv[])
 {
 	int opt;
 
+	static struct option longopts[] = {
+	    { "version", no_argument, &version_opt, 1 },
+	    { 0, 0, 0, 0}
+	};
+
 	optind = 1;
 #ifdef HAVE_GETOPT_OPTRESET
 	optreset = 1;
 #endif
-	while ((opt = getopt(argc, argv, "aCcd:fI:jLlnO:opP:qtuvx:yZ1")) != -1)
+	while ((opt = getopt_long(argc, argv,
+	    "aCcd:fI:jLlnO:opP:qtuvx:yZ1", longopts, NULL)) != -1) {
 		switch (opt) {
+		case 0:
+			break;
 		case '1':
 			Z1_opt = 1;
 			break;
@@ -1169,7 +1190,7 @@ getopts(int argc, char *argv[])
 		default:
 			usage();
 		}
-
+	}
 	return (optind);
 }
 
@@ -1179,6 +1200,8 @@ main(int argc, char *argv[])
 	const char *zipfile;
 	int nopts;
 
+	lafe_setprogname(*argv, "bsdunzip");
+
 	if (isatty(STDOUT_FILENO))
 		tty = 1;
 
@@ -1199,6 +1222,11 @@ main(int argc, char *argv[])
 	 */
 	nopts = getopts(argc, argv);
 
+	if (version_opt == 1) {
+		version();
+		exit(EXIT_SUCCESS);
+	}
+
 	/*
 	 * When more of the zipinfo mode options are implemented, this
 	 * will need to change.

unzip/test/CMakeLists.txt

@@ -23,6 +23,7 @@ IF(ENABLE_UNZIP AND ENABLE_TEST)
     test_q.c
     test_t.c
     test_t_bad.c
+    test_version.c
     test_x.c
     test_Z1.c
     test_P_encryption.c

unzip/test/test.h

@@ -35,6 +35,6 @@
 #undef	EXTRA_DUMP	  /* How to dump extra data */
 #undef	EXTRA_ERRNO	  /* How to dump errno */
 /* How to generate extra version info. */
-#define	EXTRA_VERSION     (systemf("%s -v", testprog) ? "" : "")
+#define	EXTRA_VERSION     (systemf("%s --version", testprog) ? "" : "")
 
 #include "test_common.h"

unzip/test/test_version.c

@@ -0,0 +1,34 @@
+/*-
+ * Copyright (c) 2003-2017 Tim Kientzle
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include "test.h"
+
+/*
+ * Test that --version option works and generates reasonable output.
+ */
+
+DEFINE_TEST(test_version)
+{
+	assertVersion(testprog, "bsdunzip");
+}