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Dont change date or chmod on symlinks, lchown on symlinks if lchown available

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This commit is contained in:
Glenn L McGrath 2001-06-22 02:55:16 +00:00
parent 9f832deecf
commit 76ce7549ce
1 changed files with 16 additions and 6 deletions
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22
libbb/unarchive.c
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@ -162,13 +162,23 @@ char *extract_archive(FILE *src_stream, FILE *out_stream, const file_header_t *f
}
break;
}
if (function & extract_preserve_date) {
t.actime = file_entry->mtime;
t.modtime = file_entry->mtime;
utime(full_name, &t);
/* Changing a symlink's properties normally changes the properties of the
* file pointed to, so dont try and change the date or mode, lchown does
* does the right thing, but isnt available in older versions of libc */
if (S_ISLNK(file_entry->mode)) {
#if (__GLIBC__ >= 2) && (__GLIBC_MINOR__ >= 1)
lchown(full_name, file_entry->uid, file_entry->gid);
#endif
} else {
if (function & extract_preserve_date) {
t.actime = file_entry->mtime;
t.modtime = file_entry->mtime;
utime(full_name, &t);
}
chmod(full_name, file_entry->mode);
chown(full_name, file_entry->uid, file_entry->gid);
}
chmod(full_name, file_entry->mode);
lchown(full_name, file_entry->uid, file_entry->gid);
} else {
/* If we arent extracting data we have to skip it,
* if data size is 0 then then just do it anyway