Copy also skeleton files from /usr/etc/skel (boo#1173321)

---
 etc/useradd   |    1 +
 src/useradd.c |   37 +++++++++++++++++++++++++++++++++++++
 2 files changed, 38 insertions(+)

Index: src/useradd.c
===================================================================
--- src/useradd.c.orig
+++ src/useradd.c
@@ -61,6 +61,9 @@
 #ifndef SKEL_DIR
 #define SKEL_DIR "/etc/skel"
 #endif
+#ifndef USRSKELDIR
+#define USRSKELDIR "/usr/etc/skel"
+#endif
 #ifndef USER_DEFAULTS_FILE
 #define USER_DEFAULTS_FILE "/etc/default/useradd"
 #define NEW_USER_FILE "/etc/default/nuaddXXXXXX"
@@ -84,6 +87,7 @@ static const char *def_gname = "other";
 static const char *def_home = "/home";
 static const char *def_shell = "/bin/bash";
 static const char *def_template = SKEL_DIR;
+static const char *def_usrtemplate = USRSKELDIR;
 static const char *def_create_mail_spool = "yes";
 static const char *def_log_init = "yes";
 
@@ -188,6 +192,7 @@ static bool home_added = false;
 #define DINACT			"INACTIVE="
 #define DEXPIRE			"EXPIRE="
 #define DSKEL			"SKEL="
+#define DUSRSKEL		"USRSKEL="
 #define DCREATE_MAIL_SPOOL	"CREATE_MAIL_SPOOL="
 #define DLOG_INIT	"LOG_INIT="
 
@@ -461,6 +466,29 @@ static void get_defaults (void)
 		}
 
 		/*
+		 * Default Usr Skeleton information
+		 */
+		else if (MATCH (buf, DUSRSKEL)) {
+			if ('\0' == *cp) {
+				cp = USRSKELDIR;	/* XXX warning: const */
+			}
+
+			if(prefix[0]) {
+				size_t len;
+				int wlen;
+				char* _def_usrtemplate; /* avoid const warning */
+
+				len = strlen(prefix) + strlen(cp) + 2;
+				_def_usrtemplate = xmalloc(len);
+				wlen = snprintf(_def_usrtemplate, len, "%s/%s", prefix, cp);
+				assert (wlen == (int) len -1);
+				def_usrtemplate = _def_usrtemplate;
+			}
+			else {
+				def_usrtemplate = xstrdup (cp);
+			}
+		}
+		/*
 		 * Create by default user mail spool or not ?
 		 */
 		else if (MATCH (buf, DCREATE_MAIL_SPOOL)) {
@@ -502,6 +530,7 @@ static void show_defaults (void)
 	printf ("EXPIRE=%s\n", def_expire);
 	printf ("SHELL=%s\n", def_shell);
 	printf ("SKEL=%s\n", def_template);
+	printf ("USRSKEL=%s\n", def_usrtemplate);
 	printf ("CREATE_MAIL_SPOOL=%s\n", def_create_mail_spool);
 	printf ("LOG_INIT=%s\n", def_log_init);
 }
@@ -530,6 +559,7 @@ static int set_defaults (void)
 	bool out_expire = false;
 	bool out_shell = false;
 	bool out_skel = false;
+	bool out_usrskel = false;
 	bool out_create_mail_spool = false;
 	bool out_log_init = false;
 	size_t len;
@@ -643,6 +673,9 @@ static int set_defaults (void)
 		} else if (!out_skel && MATCH (buf, DSKEL)) {
 			fprintf (ofp, DSKEL "%s\n", def_template);
 			out_skel = true;
+		} else if (!out_usrskel && MATCH (buf, DUSRSKEL)) {
+			fprintf (ofp, DUSRSKEL "%s\n", def_usrtemplate);
+			out_usrskel = true;
 		} else if (!out_create_mail_spool
 			   && MATCH (buf, DCREATE_MAIL_SPOOL)) {
 			fprintf (ofp,
@@ -678,6 +711,8 @@ static int set_defaults (void)
 		fprintf (ofp, DSHELL "%s\n", def_shell);
 	if (!out_skel)
 		fprintf (ofp, DSKEL "%s\n", def_template);
+	if (!out_usrskel)
+		fprintf (ofp, DUSRSKEL "%s\n", def_usrtemplate);
 
 	if (!out_create_mail_spool)
 		fprintf (ofp, DCREATE_MAIL_SPOOL "%s\n", def_create_mail_spool);
@@ -2758,6 +2793,8 @@ int main (int argc, char **argv)
 		if (home_added) {
 			copy_tree (def_template, prefix_user_home, false, true,
 			           (uid_t)-1, user_id, (gid_t)-1, user_gid);
+			copy_tree (def_usrtemplate, prefix_user_home, false, false,
+			           (uid_t)-1, user_id, (gid_t)-1, user_gid);
 		} else {
 			fprintf (stderr,
 			         _("%s: warning: the home directory %s already exists.\n"
Index: libmisc/copydir.c
===================================================================
--- libmisc/copydir.c.orig
+++ libmisc/copydir.c
@@ -449,6 +449,14 @@ static int copy_entry (const struct path
 		}
 
 		/*
+		 * If the destination already exists do nothing.
+		 * This is after the copy_dir above to still iterate into subdirectories.
+		 */
+		if (fstatat(dst->dirfd, dst->name, &sb, AT_SYMLINK_NOFOLLOW) != -1) {
+			return 0;
+		}
+
+		/*
 		 * Copy any symbolic links
 		 */
 
@@ -507,6 +515,7 @@ static int copy_dir (const struct path_i
                      gid_t old_gid, gid_t new_gid)
 {
 	int err = 0;
+	struct stat dst_sb;
 
 	/*
 	 * Create a new target directory, make it owned by
@@ -518,6 +527,15 @@ static int copy_dir (const struct path_i
 		return -1;
 	}
 #endif				/* WITH_SELINUX */
+        /*
+         * If the destination is already a directory, don't change it
+         * but copy into it (recursively).
+        */
+        if (fstatat(dst->dirfd, dst->name, &dst_sb, AT_SYMLINK_NOFOLLOW) == 0 && S_ISDIR(dst_sb.st_mode)) {
+            return (copy_tree (src, dst, false, reset_selinux,
+                           old_uid, new_uid, old_gid, new_gid) != 0);
+        }
+
 	if (   (mkdirat (dst->dirfd, dst->name, 0700) != 0)
 	    || (chownat_if_needed (dst, statp,
 	                         old_uid, new_uid, old_gid, new_gid) != 0)