From fc7384c7d44650e9caa25a2f57c05ae9fea7d870 Mon Sep 17 00:00:00 2001 From: ticktock35 Date: Mon, 21 Sep 2009 10:11:52 +0000 Subject: [PATCH] Fix opkg doesn't handle long link/path names in tar files well 1. provide opkg with a tar file that has a link name that is 100 characters or 2. provide opkg with a tar file that has a 'path_prefix' of 155 characters. Thanks to pblack88@gmail.com http://code.google.com/p/opkg/issues/detail?id=21 git-svn-id: http://opkg.googlecode.com/svn/trunk@217 e8e0d7a0-c8d9-11dd-a880-a1081c7ac358 --- libbb/unarchive.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/libbb/unarchive.c b/libbb/unarchive.c index 19aabff..d0896ba 100644 --- a/libbb/unarchive.c +++ b/libbb/unarchive.c @@ -605,8 +605,10 @@ file_header_t *get_header_tar(FILE *tar_stream) if (tar.formated.prefix[0]) { char *temp = tar_entry->name; - tar_entry->name = concat_path_file(tar.formated.prefix, temp); + char *prefixTemp = strndup(tar.formated.prefix, 155); + tar_entry->name = concat_path_file(prefixTemp, temp); free(temp); + free(prefixTemp); } } @@ -621,8 +623,7 @@ file_header_t *get_header_tar(FILE *tar_stream) 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->link_name = *tar.formated.linkname != '\0' ? xstrndup(tar.formated.linkname, 100) : NULL; tar_entry->device = (strtol(tar.formated.devmajor, NULL, 8) << 8) + strtol(tar.formated.devminor, NULL, 8); -- 2.25.1