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-rw-r--r--archival/libunarchive/decompress_unzip.c18
-rw-r--r--archival/libunarchive/unzip.c18
-rw-r--r--include/applets.h5
-rw-r--r--libbb/Makefile.in2
-rw-r--r--libbb/unzip.c18
-rw-r--r--sysdeps/linux/config.in1
6 files changed, 58 insertions, 4 deletions
diff --git a/archival/libunarchive/decompress_unzip.c b/archival/libunarchive/decompress_unzip.c
index 9f6ed2ebe..cde16d067 100644
--- a/archival/libunarchive/decompress_unzip.c
+++ b/archival/libunarchive/decompress_unzip.c
@@ -65,8 +65,13 @@ static char *license_msg[] = {
#include <signal.h>
#include <stdlib.h>
#include <string.h>
+#include "config.h"
#include "libbb.h"
+#ifdef CONFIG_FEATURE_UNCOMPRESS
+int uncompress ( FILE *in, FILE *out );
+#endif
+
static FILE *in_file, *out_file;
/* these are freed by gz_close */
@@ -911,6 +916,7 @@ extern int unzip(FILE *l_in_file, FILE *l_out_file)
unsigned char flags; /* compression flags */
typedef void (*sig_type) (int);
unsigned short i;
+ unsigned char magic [2];
if (signal(SIGINT, SIG_IGN) != SIG_IGN) {
(void) signal(SIGINT, (sig_type) abort_gzip);
@@ -926,8 +932,18 @@ extern int unzip(FILE *l_in_file, FILE *l_out_file)
}
#endif
+ magic [0] = fgetc(l_in_file);
+ magic [1] = fgetc(l_in_file);
+
+#ifdef CONFIG_FEATURE_UNCOMPRESS
+ /* Magic header for compress files, 1F 9d = \037\235 */
+ if (( magic [0] == 0x1F ) && ( magic [1] == 0x9d)) {
+ return uncompress ( l_in_file, l_out_file );
+ }
+#endif
+
/* Magic header for gzip files, 1F 8B = \037\213 */
- if ((fgetc(l_in_file) != 0x1F) || (fgetc(l_in_file) != 0x8b)) {
+ if (( magic [0] != 0x1F ) || ( magic [1] != 0x8b)) {
error_msg("Invalid gzip magic");
return EXIT_FAILURE;
}
diff --git a/archival/libunarchive/unzip.c b/archival/libunarchive/unzip.c
index 9f6ed2ebe..cde16d067 100644
--- a/archival/libunarchive/unzip.c
+++ b/archival/libunarchive/unzip.c
@@ -65,8 +65,13 @@ static char *license_msg[] = {
#include <signal.h>
#include <stdlib.h>
#include <string.h>
+#include "config.h"
#include "libbb.h"
+#ifdef CONFIG_FEATURE_UNCOMPRESS
+int uncompress ( FILE *in, FILE *out );
+#endif
+
static FILE *in_file, *out_file;
/* these are freed by gz_close */
@@ -911,6 +916,7 @@ extern int unzip(FILE *l_in_file, FILE *l_out_file)
unsigned char flags; /* compression flags */
typedef void (*sig_type) (int);
unsigned short i;
+ unsigned char magic [2];
if (signal(SIGINT, SIG_IGN) != SIG_IGN) {
(void) signal(SIGINT, (sig_type) abort_gzip);
@@ -926,8 +932,18 @@ extern int unzip(FILE *l_in_file, FILE *l_out_file)
}
#endif
+ magic [0] = fgetc(l_in_file);
+ magic [1] = fgetc(l_in_file);
+
+#ifdef CONFIG_FEATURE_UNCOMPRESS
+ /* Magic header for compress files, 1F 9d = \037\235 */
+ if (( magic [0] == 0x1F ) && ( magic [1] == 0x9d)) {
+ return uncompress ( l_in_file, l_out_file );
+ }
+#endif
+
/* Magic header for gzip files, 1F 8B = \037\213 */
- if ((fgetc(l_in_file) != 0x1F) || (fgetc(l_in_file) != 0x8b)) {
+ if (( magic [0] != 0x1F ) || ( magic [1] != 0x8b)) {
error_msg("Invalid gzip magic");
return EXIT_FAILURE;
}
diff --git a/include/applets.h b/include/applets.h
index aaac6a9d4..6d01901a3 100644
--- a/include/applets.h
+++ b/include/applets.h
@@ -467,6 +467,11 @@
#ifdef CONFIG_UNAME
APPLET(uname, uname_main, _BB_DIR_BIN)
#endif
+#ifdef CONFIG_GUNZIP
+# ifdef CONFIG_FEATURE_UNCOMPRESS
+ APPLET_ODDNAME("uncompress", gunzip_main, _BB_DIR_BIN, gunzip)
+# endif
+#endif
#ifdef CONFIG_UNIQ
APPLET(uniq, uniq_main, _BB_DIR_USR_BIN)
#endif
diff --git a/libbb/Makefile.in b/libbb/Makefile.in
index 6d098c0e5..c6493bfa6 100644
--- a/libbb/Makefile.in
+++ b/libbb/Makefile.in
@@ -34,7 +34,7 @@ LIBBB_SRC:= \
my_getpwuid.c parse_mode.c parse_number.c perror_msg.c perror_msg_and_die.c \
print_file.c process_escape_sequence.c read_package_field.c recursive_action.c \
safe_read.c safe_strncpy.c syscalls.c syslog_msg_with_name.c time_string.c \
- trim.c unzip.c vdprintf.c verror_msg.c vperror_msg.c wfopen.c xfuncs.c \
+ trim.c unzip.c uncompress.c vdprintf.c verror_msg.c vperror_msg.c wfopen.c xfuncs.c \
xgetcwd.c xreadlink.c xregcomp.c interface.c remove_file.c last_char_is.c \
copyfd.c vherror_msg.c herror_msg.c herror_msg_and_die.c xgethostbyname.c \
dirname.c make_directory.c create_icmp_socket.c u_signal_names.c arith.c \
diff --git a/libbb/unzip.c b/libbb/unzip.c
index 9f6ed2ebe..cde16d067 100644
--- a/libbb/unzip.c
+++ b/libbb/unzip.c
@@ -65,8 +65,13 @@ static char *license_msg[] = {
#include <signal.h>
#include <stdlib.h>
#include <string.h>
+#include "config.h"
#include "libbb.h"
+#ifdef CONFIG_FEATURE_UNCOMPRESS
+int uncompress ( FILE *in, FILE *out );
+#endif
+
static FILE *in_file, *out_file;
/* these are freed by gz_close */
@@ -911,6 +916,7 @@ extern int unzip(FILE *l_in_file, FILE *l_out_file)
unsigned char flags; /* compression flags */
typedef void (*sig_type) (int);
unsigned short i;
+ unsigned char magic [2];
if (signal(SIGINT, SIG_IGN) != SIG_IGN) {
(void) signal(SIGINT, (sig_type) abort_gzip);
@@ -926,8 +932,18 @@ extern int unzip(FILE *l_in_file, FILE *l_out_file)
}
#endif
+ magic [0] = fgetc(l_in_file);
+ magic [1] = fgetc(l_in_file);
+
+#ifdef CONFIG_FEATURE_UNCOMPRESS
+ /* Magic header for compress files, 1F 9d = \037\235 */
+ if (( magic [0] == 0x1F ) && ( magic [1] == 0x9d)) {
+ return uncompress ( l_in_file, l_out_file );
+ }
+#endif
+
/* Magic header for gzip files, 1F 8B = \037\213 */
- if ((fgetc(l_in_file) != 0x1F) || (fgetc(l_in_file) != 0x8b)) {
+ if (( magic [0] != 0x1F ) || ( magic [1] != 0x8b)) {
error_msg("Invalid gzip magic");
return EXIT_FAILURE;
}
diff --git a/sysdeps/linux/config.in b/sysdeps/linux/config.in
index c1461602a..f1b064a40 100644
--- a/sysdeps/linux/config.in
+++ b/sysdeps/linux/config.in
@@ -14,6 +14,7 @@ bool 'Show verbose applet usage messages' CONFIG_FEATURE_VERBOSE_USAGE
bool 'Support --install [-s] to install applet links at runtime' CONFIG_FEATURE_INSTALLER
bool 'Enable locale support (system needs locale for this to work)' CONFIG_LOCALE_SUPPORT
bool 'Support for devfs' CONFIG_FEATURE_DEVFS
+bool 'Support compress format (.Z) in unzip operations' CONFIG_FEATURE_UNCOMPRESS
bool 'Clean up all memory before exiting (usually not needed)' CONFIG_FEATURE_CLEAN_UP
endmenu
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-02 01:22:09 +0000