vsftpd/vsftpd-2.1.0-filter.patch

Index: vsftpd-3.0.2/ls.c
===================================================================
--- vsftpd-3.0.2.orig/ls.c
+++ vsftpd-3.0.2/ls.c
@@ -121,7 +121,10 @@ vsf_ls_populate_dir_list(struct mystr_li
     if (!str_isempty(p_filter_str))
     {
       unsigned int iters = 0;
-      if (!vsf_filename_passes_filter(&s_next_filename_str, p_filter_str,
+      static struct mystr normalize_filename_str;
+      str_copy(&normalize_filename_str, &s_next_filename_str);
+      //str_normalize_filepath(&normalize_filename_str);
+      if (!vsf_filename_passes_filter(&normalize_filename_str, p_filter_str,
                                       &iters))
       {
         continue;
@@ -246,8 +249,30 @@ vsf_filename_passes_filter(const struct
   int ret = 0;
   char last_token = 0;
   int must_match_at_current_pos = 1;
+
+
   str_copy(&filter_remain_str, p_filter_str);
-  str_copy(&name_remain_str, p_filename_str);
+
+  if (!str_isempty (&filter_remain_str) && !str_isempty(p_filename_str)) {
+    if (str_get_char_at(p_filter_str, 0) == '/') {
+      if (str_get_char_at(p_filename_str, 0) != '/') {
+        str_getcwd (&name_remain_str);
+
+        if (str_getlen(&name_remain_str) > 1) /* cwd != root dir */
+          str_append_char (&name_remain_str, '/');
+
+        str_append_str (&name_remain_str, p_filename_str);
+      }
+      else
+       str_copy (&name_remain_str, p_filename_str);
+    } else {
+      if (str_get_char_at(p_filter_str, 0) != '{')
+        str_basename (&name_remain_str, p_filename_str);
+      else
+        str_copy (&name_remain_str, p_filename_str);
+    }
+  } else
+    str_copy(&name_remain_str, p_filename_str);
 
   while (!str_isempty(&filter_remain_str) && *iters < VSFTP_MATCHITERS_MAX)
   {
Index: vsftpd-3.0.2/str.c
===================================================================
--- vsftpd-3.0.2.orig/str.c
+++ vsftpd-3.0.2/str.c
@@ -15,6 +15,10 @@
 #define PRIVATE_HANDS_OFF_len len
 #define PRIVATE_HANDS_OFF_alloc_bytes alloc_bytes
 #include "str.h"
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <libgen.h>
 
 /* Ick. Its for die() */
 #include "utility.h"
@@ -479,7 +483,7 @@ str_split_text_common(struct mystr* p_sr
   if (indexx + search_len > p_src->len)
   {
     bug("indexx invalid in str_split_text");
-  } 
+  }
   /* Build rhs */
   private_str_alloc_memchunk(p_rhs, p_src->p_buf + indexx + search_len,
                              p_src->len - indexx - search_len);
@@ -770,3 +774,59 @@ str_replace_unprintable(struct mystr* p_
   }
 }
 
+void
+str_basename (struct mystr* d_str, const struct mystr* path)
+{
+  static struct mystr tmp;
+
+  str_copy (&tmp, path);
+  str_split_char_reverse(&tmp, d_str, '/');
+
+  if (str_isempty(d_str))
+   str_copy (d_str, path);
+}
+
+void
+str_normalize_filepath(struct mystr* filepath)
+{
+    char *path;
+    char *normdir;
+    char *dir;
+    char *filename;
+    static struct mystr tmp;
+
+    /* normalize filepath */
+    path = str_strdup(filepath);
+    char *ch1 = strdup(path);
+    char *ch2 = strdup(path);
+    /* we split dir/file as realpath /home/REGEXP is NULL so we need dir
+     * dir only to function correctly, later on we need to glue back the
+     * file if there is some
+     */
+    dir = dirname(ch1);
+    filename = basename(ch2);
+    normdir = realpath(dir, NULL);
+    if (normdir == NULL)
+    {
+        goto out;
+    }
+    str_alloc_text(&tmp, normdir);
+    /* / is special it ends in both dirname and basename so ignore it here */
+    unsigned int len = str_getlen(&tmp);
+    if (str_get_char_at(&tmp, len - 1) != '/')
+    {
+        str_append_char(&tmp, '/');
+    }
+    /* / is special it ends in both dirname and basename so ignore it here */
+    if (strcmp(filename, "/") != 0)
+    {
+        str_append_text(&tmp, filename);
+    }
+    str_copy(filepath, &tmp);
+out:
+    free(normdir);
+    free(path);
+    free(ch1);
+    free(ch2);
+    str_free(&tmp);
+}
Index: vsftpd-3.0.2/str.h
===================================================================
--- vsftpd-3.0.2.orig/str.h
+++ vsftpd-3.0.2/str.h
@@ -101,6 +101,8 @@ void str_replace_unprintable(struct myst
 int str_atoi(const struct mystr* p_str);
 filesize_t str_a_to_filesize_t(const struct mystr* p_str);
 unsigned int str_octal_to_uint(const struct mystr* p_str);
+void str_basename (struct mystr* d_str, const struct mystr* path);
+void str_normalize_filepath(struct mystr* filepath);
 
 /* PURPOSE: Extract a line of text (delimited by \n or EOF) from a string
  * buffer, starting at character position 'p_pos'. The extracted line will