[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/app/busybox/src/archival/bbunzip.c b/ap/app/busybox/src/archival/bbunzip.c
new file mode 100644
index 0000000..94d8a81
--- /dev/null
+++ b/ap/app/busybox/src/archival/bbunzip.c
@@ -0,0 +1,439 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Common code for gunzip-like applets
+ *
+ * Licensed under GPLv2 or later, see file LICENSE in this source tree.
+ */
+#include "libbb.h"
+#include "bb_archive.h"
+
+enum {
+ OPT_STDOUT = 1 << 0,
+ OPT_FORCE = 1 << 1,
+ /* only some decompressors: */
+ OPT_VERBOSE = 1 << 2,
+ OPT_DECOMPRESS = 1 << 3,
+ OPT_TEST = 1 << 4,
+};
+
+static
+int open_to_or_warn(int to_fd, const char *filename, int flags, int mode)
+{
+ int fd = open3_or_warn(filename, flags, mode);
+ if (fd < 0) {
+ return 1;
+ }
+ xmove_fd(fd, to_fd);
+ return 0;
+}
+
+char* FAST_FUNC append_ext(char *filename, const char *expected_ext)
+{
+ return xasprintf("%s.%s", filename, expected_ext);
+}
+
+int FAST_FUNC bbunpack(char **argv,
+ IF_DESKTOP(long long) int FAST_FUNC (*unpacker)(transformer_aux_data_t *aux),
+ char* FAST_FUNC (*make_new_name)(char *filename, const char *expected_ext),
+ const char *expected_ext
+)
+{
+ struct stat stat_buf;
+ IF_DESKTOP(long long) int status;
+ char *filename, *new_name;
+ smallint exitcode = 0;
+ transformer_aux_data_t aux;
+
+ do {
+ /* NB: new_name is *maybe* malloc'ed! */
+ new_name = NULL;
+ filename = *argv; /* can be NULL - 'streaming' bunzip2 */
+
+ if (filename && LONE_DASH(filename))
+ filename = NULL;
+
+ /* Open src */
+ if (filename) {
+ if (stat(filename, &stat_buf) != 0) {
+ bb_simple_perror_msg(filename);
+ err:
+ exitcode = 1;
+ goto free_name;
+ }
+ if (open_to_or_warn(STDIN_FILENO, filename, O_RDONLY, 0))
+ goto err;
+ }
+
+ /* Special cases: test, stdout */
+ if (option_mask32 & (OPT_STDOUT|OPT_TEST)) {
+ if (option_mask32 & OPT_TEST)
+ if (open_to_or_warn(STDOUT_FILENO, bb_dev_null, O_WRONLY, 0))
+ goto err;
+ filename = NULL;
+ }
+
+ /* Open dst if we are going to unpack to file */
+ if (filename) {
+ new_name = make_new_name(filename, expected_ext);
+ if (!new_name) {
+ bb_error_msg("%s: unknown suffix - ignored", filename);
+ goto err;
+ }
+
+ /* -f: overwrite existing output files */
+ if (option_mask32 & OPT_FORCE) {
+ unlink(new_name);
+ }
+
+ /* O_EXCL: "real" bunzip2 doesn't overwrite files */
+ /* GNU gunzip does not bail out, but goes to next file */
+ if (open_to_or_warn(STDOUT_FILENO, new_name, O_WRONLY | O_CREAT | O_EXCL,
+ stat_buf.st_mode))
+ goto err;
+ }
+
+ /* Check that the input is sane */
+ if (isatty(STDIN_FILENO) && (option_mask32 & OPT_FORCE) == 0) {
+ bb_error_msg_and_die("compressed data not read from terminal, "
+ "use -f to force it");
+ }
+
+ init_transformer_aux_data(&aux);
+ aux.check_signature = 1;
+ status = unpacker(&aux);
+ if (status < 0)
+ exitcode = 1;
+
+ if (!(option_mask32 & OPT_STDOUT))
+ xclose(STDOUT_FILENO); /* with error check! */
+
+ if (filename) {
+ char *del = new_name;
+ if (status >= 0) {
+ /* TODO: restore other things? */
+ if (aux.mtime != 0) {
+ struct timeval times[2];
+
+ times[1].tv_sec = times[0].tv_sec = aux.mtime;
+ times[1].tv_usec = times[0].tv_usec = 0;
+ /* Note: we closed it first.
+ * On some systems calling utimes
+ * then closing resets the mtime
+ * back to current time. */
+ utimes(new_name, times); /* ignoring errors */
+ }
+
+ /* Delete _compressed_ file */
+ del = filename;
+ /* restore extension (unless tgz -> tar case) */
+ if (new_name == filename)
+ filename[strlen(filename)] = '.';
+ }
+ xunlink(del);
+
+#if 0 /* Currently buggy - wrong name: "a.gz: 261% - replaced with a.gz" */
+ /* Extreme bloat for gunzip compat */
+ if (ENABLE_DESKTOP && (option_mask32 & OPT_VERBOSE) && status >= 0) {
+ fprintf(stderr, "%s: %u%% - replaced with %s\n",
+ filename, (unsigned)(stat_buf.st_size*100 / (status+1)), new_name);
+ }
+#endif
+
+ free_name:
+ if (new_name != filename)
+ free(new_name);
+ }
+ } while (*argv && *++argv);
+
+ if (option_mask32 & OPT_STDOUT)
+ xclose(STDOUT_FILENO); /* with error check! */
+
+ return exitcode;
+}
+
+#if ENABLE_UNCOMPRESS || ENABLE_BUNZIP2 || ENABLE_UNLZMA || ENABLE_UNXZ
+static
+char* FAST_FUNC make_new_name_generic(char *filename, const char *expected_ext)
+{
+ char *extension = strrchr(filename, '.');
+ if (!extension || strcmp(extension + 1, expected_ext) != 0) {
+ /* Mimic GNU gunzip - "real" bunzip2 tries to */
+ /* unpack file anyway, to file.out */
+ return NULL;
+ }
+ *extension = '\0';
+ return filename;
+}
+#endif
+
+
+/*
+ * Uncompress applet for busybox (c) 2002 Glenn McGrath
+ *
+ * Licensed under GPLv2 or later, see file LICENSE in this source tree.
+ */
+
+//usage:#define uncompress_trivial_usage
+//usage: "[-cf] [FILE]..."
+//usage:#define uncompress_full_usage "\n\n"
+//usage: "Decompress .Z file[s]\n"
+//usage: "\n -c Write to stdout"
+//usage: "\n -f Overwrite"
+
+#if ENABLE_UNCOMPRESS
+static
+IF_DESKTOP(long long) int FAST_FUNC unpack_uncompress(transformer_aux_data_t *aux)
+{
+ return unpack_Z_stream(aux, STDIN_FILENO, STDOUT_FILENO);
+}
+int uncompress_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int uncompress_main(int argc UNUSED_PARAM, char **argv)
+{
+ getopt32(argv, "cf");
+ argv += optind;
+
+ return bbunpack(argv, unpack_uncompress, make_new_name_generic, "Z");
+}
+#endif
+
+
+/*
+ * Gzip implementation for busybox
+ *
+ * Based on GNU gzip v1.2.4 Copyright (C) 1992-1993 Jean-loup Gailly.
+ *
+ * Originally adjusted for busybox by Sven Rudolph <sr1@inf.tu-dresden.de>
+ * based on gzip sources
+ *
+ * Adjusted further by Erik Andersen <andersen@codepoet.org> to support files as
+ * well as stdin/stdout, and to generally behave itself wrt command line
+ * handling.
+ *
+ * General cleanup to better adhere to the style guide and make use of standard
+ * busybox functions by Glenn McGrath
+ *
+ * Licensed under GPLv2 or later, see file LICENSE in this source tree.
+ *
+ * gzip (GNU zip) -- compress files with zip algorithm and 'compress' interface
+ * Copyright (C) 1992-1993 Jean-loup Gailly
+ * The unzip code was written and put in the public domain by Mark Adler.
+ * Portions of the lzw code are derived from the public domain 'compress'
+ * written by Spencer Thomas, Joe Orost, James Woods, Jim McKie, Steve Davies,
+ * Ken Turkowski, Dave Mack and Peter Jannesen.
+ *
+ * See the license_msg below and the file COPYING for the software license.
+ * See the file algorithm.doc for the compression algorithms and file formats.
+ */
+
+//usage:#define gunzip_trivial_usage
+//usage: "[-cft] [FILE]..."
+//usage:#define gunzip_full_usage "\n\n"
+//usage: "Decompress FILEs (or stdin)\n"
+//usage: "\n -c Write to stdout"
+//usage: "\n -f Force"
+//usage: "\n -t Test file integrity"
+//usage:
+//usage:#define gunzip_example_usage
+//usage: "$ ls -la /tmp/BusyBox*\n"
+//usage: "-rw-rw-r-- 1 andersen andersen 557009 Apr 11 10:55 /tmp/BusyBox-0.43.tar.gz\n"
+//usage: "$ gunzip /tmp/BusyBox-0.43.tar.gz\n"
+//usage: "$ ls -la /tmp/BusyBox*\n"
+//usage: "-rw-rw-r-- 1 andersen andersen 1761280 Apr 14 17:47 /tmp/BusyBox-0.43.tar\n"
+//usage:
+//usage:#define zcat_trivial_usage
+//usage: "FILE"
+//usage:#define zcat_full_usage "\n\n"
+//usage: "Decompress to stdout"
+
+#if ENABLE_GUNZIP
+static
+char* FAST_FUNC make_new_name_gunzip(char *filename, const char *expected_ext UNUSED_PARAM)
+{
+ char *extension = strrchr(filename, '.');
+
+ if (!extension)
+ return NULL;
+
+ extension++;
+ if (strcmp(extension, "tgz" + 1) == 0
+#if ENABLE_FEATURE_SEAMLESS_Z
+ || (extension[0] == 'Z' && extension[1] == '\0')
+#endif
+ ) {
+ extension[-1] = '\0';
+ } else if (strcmp(extension, "tgz") == 0) {
+ filename = xstrdup(filename);
+ extension = strrchr(filename, '.');
+ extension[2] = 'a';
+ extension[3] = 'r';
+ } else {
+ return NULL;
+ }
+ return filename;
+}
+static
+IF_DESKTOP(long long) int FAST_FUNC unpack_gunzip(transformer_aux_data_t *aux)
+{
+ return unpack_gz_stream(aux, STDIN_FILENO, STDOUT_FILENO);
+}
+/*
+ * Linux kernel build uses gzip -d -n. We accept and ignore it.
+ * Man page says:
+ * -n --no-name
+ * gzip: do not save the original file name and time stamp.
+ * (The original name is always saved if the name had to be truncated.)
+ * gunzip: do not restore the original file name/time even if present
+ * (remove only the gzip suffix from the compressed file name).
+ * This option is the default when decompressing.
+ * -N --name
+ * gzip: always save the original file name and time stamp (this is the default)
+ * gunzip: restore the original file name and time stamp if present.
+ */
+int gunzip_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int gunzip_main(int argc UNUSED_PARAM, char **argv)
+{
+ getopt32(argv, "cfvdtn");
+ argv += optind;
+ /* if called as zcat */
+ if (applet_name[1] == 'c')
+ option_mask32 |= OPT_STDOUT;
+
+ return bbunpack(argv, unpack_gunzip, make_new_name_gunzip, /*unused:*/ NULL);
+}
+#endif
+
+
+/*
+ * Modified for busybox by Glenn McGrath
+ * Added support output to stdout by Thomas Lundquist <thomasez@zelow.no>
+ *
+ * Licensed under GPLv2 or later, see file LICENSE in this source tree.
+ */
+//usage:#define bunzip2_trivial_usage
+//usage: "[-cf] [FILE]..."
+//usage:#define bunzip2_full_usage "\n\n"
+//usage: "Decompress FILEs (or stdin)\n"
+//usage: "\n -c Write to stdout"
+//usage: "\n -f Force"
+//usage:#define bzcat_trivial_usage
+//usage: "FILE"
+//usage:#define bzcat_full_usage "\n\n"
+//usage: "Decompress to stdout"
+//applet:IF_BUNZIP2(APPLET(bunzip2, BB_DIR_USR_BIN, BB_SUID_DROP))
+//applet:IF_BUNZIP2(APPLET_ODDNAME(bzcat, bunzip2, BB_DIR_USR_BIN, BB_SUID_DROP, bzcat))
+#if ENABLE_BUNZIP2
+static
+IF_DESKTOP(long long) int FAST_FUNC unpack_bunzip2(transformer_aux_data_t *aux)
+{
+ return unpack_bz2_stream(aux, STDIN_FILENO, STDOUT_FILENO);
+}
+int bunzip2_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int bunzip2_main(int argc UNUSED_PARAM, char **argv)
+{
+ getopt32(argv, "cfvdt");
+ argv += optind;
+ if (applet_name[2] == 'c') /* bzcat */
+ option_mask32 |= OPT_STDOUT;
+
+ return bbunpack(argv, unpack_bunzip2, make_new_name_generic, "bz2");
+}
+#endif
+
+
+/*
+ * Small lzma deflate implementation.
+ * Copyright (C) 2006 Aurelien Jacobs <aurel@gnuage.org>
+ *
+ * Based on bunzip.c from busybox
+ *
+ * Licensed under GPLv2, see file LICENSE in this source tree.
+ */
+
+//usage:#define unlzma_trivial_usage
+//usage: "[-cf] [FILE]..."
+//usage:#define unlzma_full_usage "\n\n"
+//usage: "Decompress FILE (or stdin)\n"
+//usage: "\n -c Write to stdout"
+//usage: "\n -f Force"
+//usage:
+//usage:#define lzma_trivial_usage
+//usage: "-d [-cf] [FILE]..."
+//usage:#define lzma_full_usage "\n\n"
+//usage: "Decompress FILE (or stdin)\n"
+//usage: "\n -d Decompress"
+//usage: "\n -c Write to stdout"
+//usage: "\n -f Force"
+//usage:
+//usage:#define lzcat_trivial_usage
+//usage: "FILE"
+//usage:#define lzcat_full_usage "\n\n"
+//usage: "Decompress to stdout"
+//usage:
+//usage:#define unxz_trivial_usage
+//usage: "[-cf] [FILE]..."
+//usage:#define unxz_full_usage "\n\n"
+//usage: "Decompress FILE (or stdin)\n"
+//usage: "\n -c Write to stdout"
+//usage: "\n -f Force"
+//usage:
+//usage:#define xz_trivial_usage
+//usage: "-d [-cf] [FILE]..."
+//usage:#define xz_full_usage "\n\n"
+//usage: "Decompress FILE (or stdin)\n"
+//usage: "\n -d Decompress"
+//usage: "\n -c Write to stdout"
+//usage: "\n -f Force"
+//usage:
+//usage:#define xzcat_trivial_usage
+//usage: "FILE"
+//usage:#define xzcat_full_usage "\n\n"
+//usage: "Decompress to stdout"
+
+#if ENABLE_UNLZMA
+static
+IF_DESKTOP(long long) int FAST_FUNC unpack_unlzma(transformer_aux_data_t *aux)
+{
+ return unpack_lzma_stream(aux, STDIN_FILENO, STDOUT_FILENO);
+}
+int unlzma_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int unlzma_main(int argc UNUSED_PARAM, char **argv)
+{
+ IF_LZMA(int opts =) getopt32(argv, "cfvdt");
+# if ENABLE_LZMA
+ /* lzma without -d or -t? */
+ if (applet_name[2] == 'm' && !(opts & (OPT_DECOMPRESS|OPT_TEST)))
+ bb_show_usage();
+# endif
+ /* lzcat? */
+ if (applet_name[2] == 'c')
+ option_mask32 |= OPT_STDOUT;
+
+ argv += optind;
+ return bbunpack(argv, unpack_unlzma, make_new_name_generic, "lzma");
+}
+#endif
+
+
+#if ENABLE_UNXZ
+static
+IF_DESKTOP(long long) int FAST_FUNC unpack_unxz(transformer_aux_data_t *aux)
+{
+ return unpack_xz_stream(aux, STDIN_FILENO, STDOUT_FILENO);
+}
+int unxz_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int unxz_main(int argc UNUSED_PARAM, char **argv)
+{
+ IF_XZ(int opts =) getopt32(argv, "cfvdt");
+# if ENABLE_XZ
+ /* xz without -d or -t? */
+ if (applet_name[2] == '\0' && !(opts & (OPT_DECOMPRESS|OPT_TEST)))
+ bb_show_usage();
+# endif
+ /* xzcat? */
+ if (applet_name[2] == 'c')
+ option_mask32 |= OPT_STDOUT;
+
+ argv += optind;
+ return bbunpack(argv, unpack_unxz, make_new_name_generic, "xz");
+}
+#endif