From 8d3b0497a4d8866f0cafd873f241971c2871d580 Mon Sep 17 00:00:00 2001 From: Glenn L McGrath Date: Wed, 18 Jul 2001 13:22:44 +0000 Subject: [PATCH] Fix extract_archive so it doesnt mangle filenames, dont try and extract "./" and strip leading "./" on other files --- libbb/unarchive.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/libbb/unarchive.c b/libbb/unarchive.c index adc5d8d6e..ca654a6ca 100644 --- a/libbb/unarchive.c +++ b/libbb/unarchive.c @@ -82,8 +82,11 @@ char *extract_archive(FILE *src_stream, FILE *out_stream, const file_header_t *f /* strip leading '/' in filename to extract as prefix may not be dir */ /* Cant use concat_path_file here as prefix might not be a directory */ char *path = file_entry->name; - if (*path == '/') { - path++; + if (strncmp("./", path, 2) == 0) { + path += 2; + if (strlen(path) == 0) { + return(NULL); + } } full_name = xmalloc(strlen(prefix) + strlen(path) + 1); strcpy(full_name, prefix); @@ -91,7 +94,6 @@ char *extract_archive(FILE *src_stream, FILE *out_stream, const file_header_t *f } else { full_name = file_entry->name; } - if (function & extract_to_stdout) { if (S_ISREG(file_entry->mode)) { copy_file_chunk(src_stream, out_stream, file_entry->size); @@ -244,6 +246,7 @@ char *unarchive(FILE *src_stream, FILE *out_stream, file_header_t *(*get_headers } } } + if (found) { buffer = extract_archive(src_stream, out_stream, file_entry, extract_function, prefix); } else { -- 2.25.1