diff options
| -rw-r--r-- | archival/Config.in | 13 | ||||
| -rw-r--r-- | archival/tar.c | 182 | ||||
| -rw-r--r-- | include/usage.h | 2 | ||||
| -rw-r--r-- | testsuite/tar/tar-handles-cz-options | 2 | ||||
| -rw-r--r-- | testsuite/tar/tar-handles-empty-include-and-non-empty-exclude-list | 3 | ||||
| -rw-r--r-- | testsuite/tar/tar-handles-exclude-and-extract-lists | 3 | ||||
| -rw-r--r-- | testsuite/tar/tar-handles-multiple-X-options | 2 | ||||
| -rw-r--r-- | testsuite/tar/tar-handles-nested-exclude | 3 |
8 files changed, 149 insertions, 61 deletions
diff --git a/archival/Config.in b/archival/Config.in index 2eab5abfa..7807da1f1 100644 --- a/archival/Config.in +++ b/archival/Config.in @@ -177,13 +177,13 @@ config CONFIG_FEATURE_TAR_BZIP2 If you enable this option you'll be able to extract archives compressed with bzip2. -config CONFIG_FEATURE_TAR_EXCLUDE - bool " Enable -X and --exclude options (exclude files)" +config CONFIG_FEATURE_TAR_FROM + bool " Enable -X (exclude from) and -T (include from) options)" default n depends on CONFIG_TAR help If you enable this option you'll be able to specify - a list of files to exclude from an archive. + a list of files to include or exclude from an archive. config CONFIG_FEATURE_TAR_GZIP bool " Enable -z option" @@ -218,6 +218,13 @@ config CONFIG_FEATURE_TAR_GNU_EXTENSIONS With this option busybox supports GNU long filenames and linknames. +config CONFIG_FEATURE_TAR_LONG_OPTIONS + bool " Enable long options" + default n + depends on CONFIG_TAR + help + Enable use of long options, increases size by about 400 Bytes + config CONFIG_UNCOMPRESS bool "uncompress" default n diff --git a/archival/tar.c b/archival/tar.c index cf9bc04d3..8074c2d1a 100644 --- a/archival/tar.c +++ b/archival/tar.c @@ -317,13 +317,9 @@ static inline int writeTarHeader(struct TarBallInfo *tbInfo, return (TRUE); } -# if defined CONFIG_FEATURE_TAR_EXCLUDE +# ifdef CONFIG_FEATURE_TAR_FROM static inline int exclude_file(const llist_t *excluded_files, const char *file) { - if (excluded_files == NULL) { - return 0; - } - while (excluded_files) { if (excluded_files->data[0] == '/') { if (fnmatch(excluded_files->data, file, @@ -344,7 +340,7 @@ static inline int exclude_file(const llist_t *excluded_files, const char *file) return 0; } -#endif +# endif static int writeFileToTarball(const char *fileName, struct stat *statbuf, void *userData) @@ -400,11 +396,11 @@ static int writeFileToTarball(const char *fileName, struct stat *statbuf, if (header_name[0] == '\0') return TRUE; -# if defined CONFIG_FEATURE_TAR_EXCLUDE +# ifdef CONFIG_FEATURE_TAR_FROM if (exclude_file(tbInfo->excludeList, header_name)) { return SKIP; } -# endif /* CONFIG_FEATURE_TAR_EXCLUDE */ +# endif /* CONFIG_FEATURE_TAR_FROM */ if (writeTarHeader(tbInfo, header_name, fileName, statbuf) == FALSE) { return (FALSE); @@ -555,7 +551,7 @@ static inline int writeTarFile(const int tar_fd, const int verboseFlag, } #endif /* tar_create */ -#ifdef CONFIG_FEATURE_TAR_EXCLUDE +#ifdef CONFIG_FEATURE_TAR_FROM static llist_t *append_file_list_to_list(llist_t *list) { FILE *src_stream; @@ -598,31 +594,105 @@ static char get_header_tar_Z(archive_handle_t *archive_handle) } #endif -static const char tar_options[]="ctxjT:X:C:f:OpvzkZ"; - -#define CTX_CREATE 1 -#define CTX_TEST 2 -#define CTX_EXTRACT 4 -#define TAR_OPT_BZIP2 8 -#define TAR_OPT_INCLUDE 16 -#define TAR_OPT_EXCLUDE 32 -#define TAR_OPT_BASEDIR 64 -#define TAR_OPT_ARNAME 128 -#define TAR_OPT_2STDOUT 256 -#define TAR_OPT_P 512 -#define TAR_OPT_VERBOSE 1024 -#define TAR_OPT_GZIP 2048 -#define TAR_OPT_KEEP_OLD 4096 -#define TAR_OPT_UNCOMPRESS 8192 +#define CTX_TEST (1 << 0) +#define CTX_EXTRACT (1 << 1) +#define TAR_OPT_BASEDIR (1 << 2) +#define TAR_OPT_TARNAME (1 << 3) +#define TAR_OPT_2STDOUT (1 << 4) +#define TAR_OPT_P (1 << 5) +#define TAR_OPT_VERBOSE (1 << 6) +#define TAR_OPT_KEEP_OLD (1 << 7) + +#ifdef CONFIG_FEATURE_TAR_CREATE +# define CTX_CREATE (1 << 8) +# define TAR_OPT_STR_CREATE "c" +# define TAR_OPT_FLAG_CREATE 1 +#else +//# define CTX_CREATE 0 +# define TAR_OPT_STR_CREATE "" +# define TAR_OPT_FLAG_CREATE 0 +#endif + +#ifdef CONFIG_FEATURE_TAR_BZIP2 +# define TAR_OPT_BZIP2 (1 << (8 + TAR_OPT_FLAG_CREATE)) +# define TAR_OPT_STR_BZIP2 "j" +# define TAR_OPT_FLAG_BZIP2 1 +#else +# define TAR_OPT_STR_BZIP2 "" +# define TAR_OPT_FLAG_BZIP2 0 +#endif + +#ifdef CONFIG_FEATURE_TAR_FROM +# define TAR_OPT_FROM_FILE (1 << (8 + TAR_OPT_FLAG_CREATE + TAR_OPT_FLAG_BZIP2)) +# define TAR_OPT_EXCLUDE_FROM (1 << (8 + TAR_OPT_FLAG_CREATE + TAR_OPT_FLAG_BZIP2 + 1)) +# define TAR_OPT_STR_FROM "T:X:" +# define TAR_OPT_FLAG_FROM 2 +#else +# define TAR_OPT_STR_FROM "" +# define TAR_OPT_FLAG_FROM 0 +#endif + +#ifdef CONFIG_FEATURE_TAR_GZIP +# define TAR_OPT_GZIP (1 << (8 + TAR_OPT_FLAG_CREATE + TAR_OPT_FLAG_BZIP2 + TAR_OPT_FLAG_FROM)) +# define TAR_OPT_STR_GZIP "z" +# define TAR_OPT_FLAG_GZIP 1 +#else +# define TAR_OPT_STR_GZIP "" +# define TAR_OPT_FLAG_GZIP 0 +#endif + +#ifdef CONFIG_FEATURE_TAR_COMPRESS +# define TAR_OPT_UNCOMPRESS (1 << (8 + TAR_OPT_FLAG_CREATE + TAR_OPT_FLAG_BZIP2 + TAR_OPT_FLAG_FROM + TAR_OPT_FLAG_GZIP)) +# define TAR_OPT_STR_COMPRESS "Z" +#else +# define TAR_OPT_STR_COMPRESS "" +#endif + +static const char tar_options[]="txC:f:Opvk" \ + TAR_OPT_STR_CREATE \ + TAR_OPT_STR_BZIP2 \ + TAR_OPT_STR_FROM \ + TAR_OPT_STR_GZIP \ + TAR_OPT_STR_COMPRESS; + +#ifdef CONFIG_FEATURE_TAR_LONG_OPTIONS +static const struct option tar_long_options[] = { + { "list", 0, NULL, 't' }, + { "extract", 0, NULL, 'x' }, + { "directory", 1, NULL, 'C' }, + { "file", 1, NULL, 'f' }, + { "to-stdout", 0, NULL, 'O' }, + { "same-permissions", 0, NULL, 'p' }, + { "verbose", 0, NULL, 'v' }, + { "keep-old", 0, NULL, 'k' }, +# ifdef CONFIG_FEATURE_TAR_CREATE + { "create", 0, NULL, 'c' }, +# endif +# ifdef CONFIG_FEATURE_TAR_BZIP2 + { "bzip2", 0, NULL, 'j' }, +# endif +# ifdef CONFIG_FEATURE_TAR_FROM + { "from-file", 1, NULL, 'T' }, + { "exclude-from", 1, NULL, 'X' }, +# endif +# ifdef CONFIG_FEATURE_TAR_GZIP + { "gzip", 0, NULL, 'z' }, +# endif +# ifdef CONFIG_FEATURE_TAR_COMPRESS + { "compress", 0, NULL, 'Z' }, +# endif + { 0, 0, 0, 0 } +}; +#endif int tar_main(int argc, char **argv) { char (*get_header_ptr)(archive_handle_t *) = get_header_tar; archive_handle_t *tar_handle; - int opt; char *base_dir = NULL; const char *tar_filename = "-"; - unsigned char ctx_flag = 0; + unsigned long opt; + unsigned long ctx_flag = 0; if (argc < 2) { bb_show_usage(); @@ -640,17 +710,29 @@ int tar_main(int argc, char **argv) tar_handle = init_handle(); tar_handle->flags = ARCHIVE_CREATE_LEADING_DIRS | ARCHIVE_PRESERVE_DATE | ARCHIVE_EXTRACT_UNCONDITIONAL; - bb_opt_complementaly = "c~tx:t~cx:x~ct:X*"; + bb_opt_complementaly = "c~tx:t~cx:x~ct:X*:T*"; +#ifdef CONFIG_FEATURE_TAR_LONG_OPTIONS + bb_applet_long_options = tar_long_options; +#endif + opt = bb_getopt_ulflags(argc, argv, tar_options, - NULL, /* T: arg is ignored by default - a list is an include list */ - &(tar_handle->reject), &base_dir, /* Change to dir <optarg> */ - &tar_filename); /* archive filename */ + &tar_filename /* archive filename */ +#ifdef CONFIG_FEATURE_TAR_FROM + , NULL, + &(tar_handle->reject) +#endif + ); + /* Check one and only one context option was given */ - if(opt & 0x80000000UL) + if(opt & 0x80000000UL) { bb_show_usage(); + } +#ifdef CONFIG_FEATURE_TAR_CREATE ctx_flag = opt & (CTX_CREATE | CTX_TEST | CTX_EXTRACT); +#else + ctx_flag = opt & (CTX_TEST | CTX_EXTRACT); +#endif if (ctx_flag == 0) { bb_show_usage(); } @@ -683,34 +765,27 @@ int tar_main(int argc, char **argv) tar_handle->flags &= ~ARCHIVE_EXTRACT_UNCONDITIONAL; } - if(opt & TAR_OPT_GZIP) { #ifdef CONFIG_FEATURE_TAR_GZIP + if(opt & TAR_OPT_GZIP) { get_header_ptr = get_header_tar_gz; -#else - bb_show_usage(); -#endif } - if(opt & TAR_OPT_BZIP2) { +#endif #ifdef CONFIG_FEATURE_TAR_BZIP2 + if(opt & TAR_OPT_BZIP2) { get_header_ptr = get_header_tar_bz2; -#else - bb_show_usage(); -#endif } - if(opt & TAR_OPT_UNCOMPRESS) { +#endif #ifdef CONFIG_FEATURE_TAR_COMPRESS + if(opt & TAR_OPT_UNCOMPRESS) { get_header_ptr = get_header_tar_Z; -#else - bb_show_usage(); -#endif } - if(opt & TAR_OPT_EXCLUDE) { -#ifdef CONFIG_FEATURE_TAR_EXCLUDE - tar_handle->reject = append_file_list_to_list(tar_handle->reject); -#else - bb_show_usage(); #endif +#ifdef CONFIG_FEATURE_TAR_FROM + if(opt & TAR_OPT_EXCLUDE_FROM) { + tar_handle->reject = append_file_list_to_list(tar_handle->reject); } +#endif + /* Check if we are reading from stdin */ if ((argv[optind]) && (*argv[optind] == '-')) { /* Default is to read from stdin, so just skip to next arg */ @@ -720,8 +795,7 @@ int tar_main(int argc, char **argv) /* Setup an array of filenames to work with */ /* TODO: This is the same as in ar, seperate function ? */ while (optind < argc) { - char *filename_ptr; - filename_ptr = last_char_is(argv[optind], '/'); + char *filename_ptr = last_char_is(argv[optind], '/'); if (filename_ptr) { *filename_ptr = '\0'; } @@ -739,7 +813,7 @@ int tar_main(int argc, char **argv) int flags; #ifdef CONFIG_FEATURE_TAR_CREATE - if (ctx_flag == CTX_CREATE) { + if (opt & CTX_CREATE) { /* Make sure there is at least one file to tar up. */ if (tar_handle->accept == NULL) { bb_error_msg_and_die("Cowardly refusing to create an empty archive"); @@ -768,7 +842,7 @@ int tar_main(int argc, char **argv) #ifdef CONFIG_FEATURE_TAR_CREATE /* create an archive */ - if (ctx_flag == CTX_CREATE) { + if (opt & CTX_CREATE) { int verboseFlag = FALSE; int gzipFlag = FALSE; diff --git a/include/usage.h b/include/usage.h index c8716d24d..43c63e5f3 100644 --- a/include/usage.h +++ b/include/usage.h @@ -2362,7 +2362,7 @@ #define tar_trivial_usage \ "-[" USAGE_TAR_CREATE("c") USAGE_TAR_GZIP("z") USAGE_TAR_BZIP2("j") USAGE_TAR_COMPRESS("Z") "xtvO] " \ - USAGE_TAR_EXCLUDE("[--exclude FILE] [-X FILE]") \ + USAGE_TAR_EXCLUDE("[-X FILE]") \ "[-f TARFILE] [-C DIR] [FILE(s)] ..." #define tar_full_usage \ "Create, extract, or list files from a tar file.\n\n" \ diff --git a/testsuite/tar/tar-handles-cz-options b/testsuite/tar/tar-handles-cz-options index 1049c6d2a..5b55e46d3 100644 --- a/testsuite/tar/tar-handles-cz-options +++ b/testsuite/tar/tar-handles-cz-options @@ -1,3 +1,5 @@ +# FEATURE: CONFIG_FEATURE_TAR_CREATE +# FEATURE: CONFIG_FEATURE_TAR_GZIP touch foo busybox tar czf foo.tar.gz foo gzip -d foo.tar.gz diff --git a/testsuite/tar/tar-handles-empty-include-and-non-empty-exclude-list b/testsuite/tar/tar-handles-empty-include-and-non-empty-exclude-list index b76f02301..503364230 100644 --- a/testsuite/tar/tar-handles-empty-include-and-non-empty-exclude-list +++ b/testsuite/tar/tar-handles-empty-include-and-non-empty-exclude-list @@ -1,4 +1,5 @@ -# FEATURE: CONFIG_FEATURE_TAR_EXCLUDE +# FEATURE: CONFIG_FEATURE_TAR_FROM +# FEATURE: CONFIG_FEATURE_TAR_CREATE touch foo tar cf foo.tar foo echo foo >foo.exclude diff --git a/testsuite/tar/tar-handles-exclude-and-extract-lists b/testsuite/tar/tar-handles-exclude-and-extract-lists index e715a4771..2de0f0e91 100644 --- a/testsuite/tar/tar-handles-exclude-and-extract-lists +++ b/testsuite/tar/tar-handles-exclude-and-extract-lists @@ -1,4 +1,5 @@ -# FEATURE: CONFIG_FEATURE_TAR_EXCLUDE +# FEATURE: CONFIG_FEATURE_TAR_FROM +# FEATURE: CONFIG_FEATURE_TAR_CREATE touch foo bar baz tar cf foo.tar foo bar baz echo foo >foo.exclude diff --git a/testsuite/tar/tar-handles-multiple-X-options b/testsuite/tar/tar-handles-multiple-X-options index 8321af859..155b27e68 100644 --- a/testsuite/tar/tar-handles-multiple-X-options +++ b/testsuite/tar/tar-handles-multiple-X-options @@ -1,3 +1,5 @@ +# FEATURE: CONFIG_FEATURE_TAR_FROM +# FEATURE: CONFIG_FEATURE_TAR_CREATE touch foo touch bar tar cf foo.tar foo bar diff --git a/testsuite/tar/tar-handles-nested-exclude b/testsuite/tar/tar-handles-nested-exclude index ad39506c8..39013a105 100644 --- a/testsuite/tar/tar-handles-nested-exclude +++ b/testsuite/tar/tar-handles-nested-exclude @@ -1,4 +1,5 @@ -# FEATURE: CONFIG_FEATURE_TAR_EXCLUDE +# FEATURE: CONFIG_FEATURE_TAR_FROM +# FEATURE: CONFIG_FEATURE_TAR_CREATE mkdir foo touch foo/bar tar cf foo.tar foo |