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| author | Glenn L McGrath | 2002-09-15 16:54:49 +0000 |
|---|---|---|
| committer | Glenn L McGrath | 2002-09-15 16:54:49 +0000 |
| commit | b3c4e9add527fb03e20998679a049f84cbe12ac7 (patch) | |
| tree | 43650dec389afa4c081c3acbae01b1e5c0574187 | |
| parent | 186685d46fa6a15a328509543bb354d43bc719b0 (diff) | |
| download | busybox-b3c4e9add527fb03e20998679a049f84cbe12ac7.zip busybox-b3c4e9add527fb03e20998679a049f84cbe12ac7.tar.gz | |
Support for GNU style long filename and linknames
| -rw-r--r-- | archival/config.in | 1 | ||||
| -rw-r--r-- | archival/libunarchive/get_header_tar.c | 49 |
2 files changed, 40 insertions, 10 deletions
diff --git a/archival/config.in b/archival/config.in index 140e4fb..3de6715 100644 --- a/archival/config.in +++ b/archival/config.in @@ -20,6 +20,7 @@ if [ "$CONFIG_TAR" = "y" ] ; then bool ' Enable -X and --exclude options (exclude files)' CONFIG_FEATURE_TAR_EXCLUDE bool ' Enable -z option' CONFIG_FEATURE_TAR_GZIP bool ' Enable support for old tar header format' CONFIG_FEATURE_TAR_OLD_FORMAT + bool ' Enable support for GNU long filenames' CONFIG_FEATURE_GNUTAR_LONG_FILENAME fi if [ "$CONFIG_CPIO" = "y" -o "$CONFIG_TAR" = "y" ] ; then bool ' Enable tape drive support' CONFIG_FEATURE_UNARCHIVE_TAPE diff --git a/archival/libunarchive/get_header_tar.c b/archival/libunarchive/get_header_tar.c index 38fb040..e6747b7 100644 --- a/archival/libunarchive/get_header_tar.c +++ b/archival/libunarchive/get_header_tar.c @@ -97,8 +97,19 @@ file_header_t *get_header_tar(FILE * tar_stream) } tar_entry->mode = strtol(tar.formated.mode, NULL, 8); -#ifdef CONFIG_FEATURE_TAR_OLD_FORMAT + tar_entry->uid = strtol(tar.formated.uid, NULL, 8); + tar_entry->gid = strtol(tar.formated.gid, NULL, 8); + tar_entry->size = strtol(tar.formated.size, NULL, 8); + tar_entry->mtime = strtol(tar.formated.mtime, NULL, 8); + tar_entry->link_name = + strlen(tar.formated.linkname) ? xstrdup(tar.formated.linkname) : NULL; + tar_entry->device = + (dev_t) ((strtol(tar.formated.devmajor, NULL, 8) << 8) + + strtol(tar.formated.devminor, NULL, 8)); + +#if defined CONFIG_FEATURE_TAR_OLD_FORMAT || defined CONFIG_FEATURE_GNUTAR_LONG_FILENAME switch (tar.formated.typeflag) { +# ifdef CONFIG_FEATURE_TAR_OLD_FORMAT case 0: tar_entry->mode |= S_IFREG; break; @@ -120,17 +131,35 @@ file_header_t *get_header_tar(FILE * tar_stream) case 6: tar_entry->mode |= S_IFIFO; break; +# endif +# ifdef CONFIG_FEATURE_GNUTAR_LONG_FILENAME + case 'L': { + char *longname; + + longname = xmalloc(tar_entry->size + 1); + fread(longname, 1, tar_entry->size, tar_stream); + archive_offset += tar_entry->size; + longname[tar_entry->size] = '\0'; + + tar_entry = get_header_tar(tar_stream); + tar_entry->name = longname; + break; + } + case 'K': { + char *longname; + + longname = xmalloc(tar_entry->size + 1); + fread(longname, 1, tar_entry->size, tar_stream); + archive_offset += tar_entry->size; + longname[tar_entry->size] = '\0'; + + tar_entry = get_header_tar(tar_stream); + tar_entry->link_name = longname; + break; + } +# endif } #endif - tar_entry->uid = strtol(tar.formated.uid, NULL, 8); - tar_entry->gid = strtol(tar.formated.gid, NULL, 8); - tar_entry->size = strtol(tar.formated.size, NULL, 8); - tar_entry->mtime = strtol(tar.formated.mtime, NULL, 8); - tar_entry->link_name = - strlen(tar.formated.linkname) ? xstrdup(tar.formated.linkname) : NULL; - tar_entry->device = - (dev_t) ((strtol(tar.formated.devmajor, NULL, 8) << 8) + - strtol(tar.formated.devminor, NULL, 8)); return (tar_entry); } |