--- /dev/null
+--- a/libopkg/opkg_cmd.c
++++ b/libopkg/opkg_cmd.c
+@@ -617,6 +617,39 @@ opkg_list_installed_cmd(int argc, char *
+ }
+
+ static int
++opkg_list_changed_conffiles_cmd(int argc, char **argv)
++{
++ int i ;
++ pkg_vec_t *available;
++ pkg_t *pkg;
++ char *pkg_name = NULL;
++ conffile_list_elt_t *iter;
++ conffile_t *cf;
++
++ if (argc > 0) {
++ pkg_name = argv[0];
++ }
++ available = pkg_vec_alloc();
++ pkg_hash_fetch_all_installed(available);
++ pkg_vec_sort(available, pkg_compare_names);
++ for (i=0; i < available->len; i++) {
++ pkg = available->pkgs[i];
++ /* if we have package name or pattern and pkg does not match, then skip it */
++ if (pkg_name && fnmatch(pkg_name, pkg->name, 0))
++ continue;
++ if (nv_pair_list_empty(&pkg->conffiles))
++ continue;
++ for (iter = nv_pair_list_first(&pkg->conffiles); iter; iter = nv_pair_list_next(&pkg->conffiles, iter)) {
++ cf = (conffile_t *)iter->data;
++ if (cf->name && cf->value && conffile_has_been_modified(cf))
++ printf("%s\n", cf->name);
++ }
++ }
++ pkg_vec_free(available);
++ return 0;
++}
++
++static int
+ opkg_list_upgradable_cmd(int argc, char **argv)
+ {
+ struct active_list *head = prepare_upgrade_list();
+@@ -1188,6 +1221,8 @@ static opkg_cmd_t cmds[] = {
+ {"list-installed", 0, (opkg_cmd_fun_t)opkg_list_installed_cmd, PFM_SOURCE},
+ {"list_upgradable", 0, (opkg_cmd_fun_t)opkg_list_upgradable_cmd, PFM_SOURCE},
+ {"list-upgradable", 0, (opkg_cmd_fun_t)opkg_list_upgradable_cmd, PFM_SOURCE},
++ {"list_changed_conffiles", 0, (opkg_cmd_fun_t)opkg_list_changed_conffiles_cmd, PFM_SOURCE},
++ {"list-changed-conffiles", 0, (opkg_cmd_fun_t)opkg_list_changed_conffiles_cmd, PFM_SOURCE},
+ {"info", 0, (opkg_cmd_fun_t)opkg_info_cmd, 0},
+ {"flag", 1, (opkg_cmd_fun_t)opkg_flag_cmd, PFM_DESCRIPTION|PFM_SOURCE},
+ {"status", 0, (opkg_cmd_fun_t)opkg_status_cmd, PFM_DESCRIPTION|PFM_SOURCE},
+--- a/src/opkg-cl.c
++++ b/src/opkg-cl.c
+@@ -228,6 +228,7 @@ usage()
+ printf("\tlist List available packages\n");
+ printf("\tlist-installed List installed packages\n");
+ printf("\tlist-upgradable List installed and upgradable packages\n");
++ printf("\tlist-changed-conffiles List user modified configuration files\n");
+ printf("\tfiles <pkg> List files belonging to <pkg>\n");
+ printf("\tsearch <file|regexp> List package providing <file>\n");
+ printf("\tinfo [pkg|regexp] Display all info for <pkg>\n");
+@@ -331,6 +332,8 @@ main(int argc, char *argv[])
+ !strcmp(cmd_name,"compare-versions") ||
+ !strcmp(cmd_name,"list_installed") ||
+ !strcmp(cmd_name,"list-installed") ||
++ !strcmp(cmd_name,"list_changed_conffiles") ||
++ !strcmp(cmd_name,"list-changed-conffiles") ||
+ !strcmp(cmd_name,"status") )
+ noreadfeedsfile = 1;
+