r8302: import mini HEIMDAL into the tree

(This used to be commit 118be28a7aef233799956615a99d1a2a74dac175)

9 files changed, 1043 insertions, 0 deletions

diff --git a/source4/heimdal/lib/com_err/com_err.c b/source4/heimdal/lib/com_err/com_err.c
new file mode 100644
index 0000000000..0462fdcc03
--- /dev/null
+++ b/source4/heimdal/lib/com_err/com_err.c
@@ -0,0 +1,172 @@
+/*
+ * Copyright (c) 1997 - 2002 Kungliga Tekniska Högskolan
+ * (Royal Institute of Technology, Stockholm, Sweden). 
+ * All rights reserved. 
+ *
+ * Redistribution and use in source and binary forms, with or without 
+ * modification, are permitted provided that the following conditions 
+ * are met: 
+ *
+ * 1. Redistributions of source code must retain the above copyright 
+ *    notice, this list of conditions and the following disclaimer. 
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright 
+ *    notice, this list of conditions and the following disclaimer in the 
+ *    documentation and/or other materials provided with the distribution. 
+ *
+ * 3. Neither the name of the Institute nor the names of its contributors 
+ *    may be used to endorse or promote products derived from this software 
+ *    without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 
+ * SUCH DAMAGE. 
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+RCSID("$Id: com_err.c,v 1.19 2005/04/24 19:42:39 lha Exp $");
+#endif
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <roken.h>
+#include "com_err.h"
+
+struct et_list *_et_list = NULL;
+
+
+const char *
+error_message (long code)
+{
+    static char msg[128];
+    const char *p = com_right(_et_list, code);
+    if (p == NULL) {
+	if (code < 0)
+	    snprintf(msg, sizeof(msg), "Unknown error %ld", code);
+	else
+	    p = strerror(code);
+    }
+    if (p != NULL && *p != '\0') {
+	strlcpy(msg, p, sizeof(msg));
+    } else 
+	snprintf(msg, sizeof(msg), "Unknown error %ld", code);
+    return msg;
+}
+
+int
+init_error_table(const char **msgs, long base, int count)
+{
+    initialize_error_table_r(&_et_list, msgs, count, base);
+    return 0;
+}
+
+static void
+default_proc (const char *whoami, long code, const char *fmt, va_list args)
+    __attribute__((__format__(__printf__, 3, 0)));
+ 
+static void
+default_proc (const char *whoami, long code, const char *fmt, va_list args)
+{
+    if (whoami)
+      fprintf(stderr, "%s: ", whoami);
+    if (code)
+      fprintf(stderr, "%s ", error_message(code));
+    if (fmt)
+      vfprintf(stderr, fmt, args);
+    fprintf(stderr, "\r\n");	/* ??? */
+}
+
+static errf com_err_hook = default_proc;
+
+void 
+com_err_va (const char *whoami, 
+	    long code, 
+	    const char *fmt, 
+	    va_list args)
+{
+    (*com_err_hook) (whoami, code, fmt, args);
+}
+
+void
+com_err (const char *whoami,
+	 long code,
+	 const char *fmt, 
+	 ...)
+{
+    va_list ap;
+    va_start(ap, fmt);
+    com_err_va (whoami, code, fmt, ap);
+    va_end(ap);
+}
+
+errf
+set_com_err_hook (errf new)
+{
+    errf old = com_err_hook;
+
+    if (new)
+	com_err_hook = new;
+    else
+	com_err_hook = default_proc;
+    
+    return old;
+}
+
+errf
+reset_com_err_hook (void) 
+{
+    return set_com_err_hook(NULL);
+}
+
+#define ERRCODE_RANGE   8       /* # of bits to shift table number */
+#define BITS_PER_CHAR   6       /* # bits to shift per character in name */
+
+static const char char_set[] =
+        "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_";
+
+static char buf[6];
+
+const char *
+error_table_name(int num)
+{
+    int ch;
+    int i;
+    char *p;
+
+    /* num = aa aaa abb bbb bcc ccc cdd ddd d?? ??? ??? */
+    p = buf;
+    num >>= ERRCODE_RANGE;
+    /* num = ?? ??? ??? aaa aaa bbb bbb ccc ccc ddd ddd */
+    num &= 077777777;
+    /* num = 00 000 000 aaa aaa bbb bbb ccc ccc ddd ddd */
+    for (i = 4; i >= 0; i--) {
+        ch = (num >> BITS_PER_CHAR * i) & ((1 << BITS_PER_CHAR) - 1);
+        if (ch != 0)
+            *p++ = char_set[ch-1];
+    }
+    *p = '\0';
+    return(buf);
+}
+
+void
+add_to_error_table(struct et_list *new_table)
+{
+    struct et_list *et;
+
+    for (et = _et_list; et; et = et->next) {
+	if (et->table->base == new_table->table->base)
+	    return;
+    }
+
+    new_table->next = _et_list;
+    _et_list = new_table;
+}
diff --git a/source4/heimdal/lib/com_err/com_err.h b/source4/heimdal/lib/com_err/com_err.h
new file mode 100644
index 0000000000..fe7441108a
--- /dev/null
+++ b/source4/heimdal/lib/com_err/com_err.h
@@ -0,0 +1,66 @@
+/*
+ * Copyright (c) 1997 - 2001 Kungliga Tekniska Högskolan
+ * (Royal Institute of Technology, Stockholm, Sweden). 
+ * All rights reserved. 
+ *
+ * Redistribution and use in source and binary forms, with or without 
+ * modification, are permitted provided that the following conditions 
+ * are met: 
+ *
+ * 1. Redistributions of source code must retain the above copyright 
+ *    notice, this list of conditions and the following disclaimer. 
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright 
+ *    notice, this list of conditions and the following disclaimer in the 
+ *    documentation and/or other materials provided with the distribution. 
+ *
+ * 3. Neither the name of the Institute nor the names of its contributors 
+ *    may be used to endorse or promote products derived from this software 
+ *    without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 
+ * SUCH DAMAGE. 
+ */
+
+/* $Id: com_err.h,v 1.11 2005/07/07 14:58:07 lha Exp $ */
+
+/* MIT compatible com_err library */
+
+#ifndef __COM_ERR_H__
+#define __COM_ERR_H__
+
+#include <com_right.h>
+#include <stdarg.h>
+
+#if !defined(__GNUC__) && !defined(__attribute__)
+#define __attribute__(X)
+#endif
+
+typedef void (*errf) (const char *, long, const char *, va_list);
+
+const char * error_message (long);
+int init_error_table (const char**, long, int);
+
+void com_err_va (const char *, long, const char *, va_list)
+    __attribute__((format(printf, 3, 0)));
+
+void com_err (const char *, long, const char *, ...)
+    __attribute__((format(printf, 3, 4)));
+
+errf set_com_err_hook (errf);
+errf reset_com_err_hook (void);
+
+const char *error_table_name  (int num);
+
+void add_to_error_table (struct et_list *new_table);
+
+#endif /* __COM_ERR_H__ */
diff --git a/source4/heimdal/lib/com_err/com_right.h b/source4/heimdal/lib/com_err/com_right.h
new file mode 100644
index 0000000000..7e7d342e2c
--- /dev/null
+++ b/source4/heimdal/lib/com_err/com_right.h
@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 1997 - 2000 Kungliga Tekniska Högskolan
+ * (Royal Institute of Technology, Stockholm, Sweden). 
+ * All rights reserved. 
+ *
+ * Redistribution and use in source and binary forms, with or without 
+ * modification, are permitted provided that the following conditions 
+ * are met: 
+ *
+ * 1. Redistributions of source code must retain the above copyright 
+ *    notice, this list of conditions and the following disclaimer. 
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright 
+ *    notice, this list of conditions and the following disclaimer in the 
+ *    documentation and/or other materials provided with the distribution. 
+ *
+ * 3. Neither the name of the Institute nor the names of its contributors 
+ *    may be used to endorse or promote products derived from this software 
+ *    without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 
+ * SUCH DAMAGE. 
+ */
+
+/* $Id: com_right.h,v 1.12 2005/02/03 08:43:01 lha Exp $ */
+
+#ifndef __COM_RIGHT_H__
+#define __COM_RIGHT_H__
+
+#ifdef __STDC__
+#include <stdarg.h>
+#endif
+
+struct error_table {
+    char const * const * msgs;
+    long base;
+    int n_msgs;
+};
+struct et_list {
+    struct et_list *next;
+    struct error_table *table;
+};
+extern struct et_list *_et_list;
+
+const char *com_right (struct et_list *list, long code);
+void initialize_error_table_r (struct et_list **, const char **, int, long);
+void free_error_table (struct et_list *);
+
+#endif /* __COM_RIGHT_H__ */
diff --git a/source4/heimdal/lib/com_err/compile_et.c b/source4/heimdal/lib/com_err/compile_et.c
new file mode 100644
index 0000000000..1b472d8e0f
--- /dev/null
+++ b/source4/heimdal/lib/com_err/compile_et.c
@@ -0,0 +1,236 @@
+/*
+ * Copyright (c) 1998-2002 Kungliga Tekniska Högskolan
+ * (Royal Institute of Technology, Stockholm, Sweden). 
+ * All rights reserved. 
+ *
+ * Redistribution and use in source and binary forms, with or without 
+ * modification, are permitted provided that the following conditions 
+ * are met: 
+ *
+ * 1. Redistributions of source code must retain the above copyright 
+ *    notice, this list of conditions and the following disclaimer. 
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright 
+ *    notice, this list of conditions and the following disclaimer in the 
+ *    documentation and/or other materials provided with the distribution. 
+ *
+ * 3. Neither the name of the Institute nor the names of its contributors 
+ *    may be used to endorse or promote products derived from this software 
+ *    without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 
+ * SUCH DAMAGE. 
+ */
+
+#undef ROKEN_RENAME
+#include "compile_et.h"
+#include <getarg.h>
+
+RCSID("$Id: compile_et.c,v 1.19 2005/06/16 19:21:00 lha Exp $");
+
+#include <roken.h>
+#include <err.h>
+#include "parse.h"
+
+int numerror;
+extern FILE *yyin;
+
+extern void yyparse(void);
+
+long base_id;
+int number;
+char *prefix;
+char *id_str;
+
+char name[128];
+char Basename[128];
+
+#ifdef YYDEBUG
+extern int yydebug = 1;
+#endif
+
+char *filename;
+char hfn[128];
+char cfn[128];
+
+struct error_code *codes = NULL;
+
+static int
+generate_c(void)
+{
+    int n;
+    struct error_code *ec;
+
+    FILE *c_file = fopen(cfn, "w");
+    if(c_file == NULL)
+	return 1;
+
+    fprintf(c_file, "/* Generated from %s */\n", filename);
+    if(id_str) 
+	fprintf(c_file, "/* %s */\n", id_str);
+    fprintf(c_file, "\n");
+    fprintf(c_file, "#include <stddef.h>\n");
+    fprintf(c_file, "#include <com_err.h>\n");
+    fprintf(c_file, "#include \"%s\"\n", hfn);
+    fprintf(c_file, "\n");
+
+    fprintf(c_file, "static const char *%s_error_strings[] = {\n", name);
+
+    for(ec = codes, n = 0; ec; ec = ec->next, n++) {
+	while(n < ec->number) {
+	    fprintf(c_file, "\t/* %03d */ \"Reserved %s error (%d)\",\n",
+		    n, name, n);
+	    n++;
+	    
+	}
+	fprintf(c_file, "\t/* %03d */ \"%s\",\n", ec->number, ec->string);
+    }
+
+    fprintf(c_file, "\tNULL\n");
+    fprintf(c_file, "};\n");
+    fprintf(c_file, "\n");
+    fprintf(c_file, "#define num_errors %d\n", number);
+    fprintf(c_file, "\n");
+    fprintf(c_file, 
+	    "void initialize_%s_error_table_r(struct et_list **list)\n", 
+	    name);
+    fprintf(c_file, "{\n");
+    fprintf(c_file, 
+	    "    initialize_error_table_r(list, %s_error_strings, "
+	    "num_errors, ERROR_TABLE_BASE_%s);\n", name, name);
+    fprintf(c_file, "}\n");
+    fprintf(c_file, "\n");
+    fprintf(c_file, "void initialize_%s_error_table(void)\n", name);
+    fprintf(c_file, "{\n");
+    fprintf(c_file,
+	    "    init_error_table(%s_error_strings, ERROR_TABLE_BASE_%s, "
+	    "num_errors);\n", name, name);
+    fprintf(c_file, "}\n");
+
+    fclose(c_file);
+    return 0;
+}
+
+static int
+generate_h(void)
+{
+    struct error_code *ec;
+    char fn[128];
+    FILE *h_file = fopen(hfn, "w");
+    char *p;
+
+    if(h_file == NULL)
+	return 1;
+
+    snprintf(fn, sizeof(fn), "__%s__", hfn);
+    for(p = fn; *p; p++)
+	if(!isalnum((unsigned char)*p))
+	    *p = '_';
+    
+    fprintf(h_file, "/* Generated from %s */\n", filename);
+    if(id_str) 
+	fprintf(h_file, "/* %s */\n", id_str);
+    fprintf(h_file, "\n");
+    fprintf(h_file, "#ifndef %s\n", fn);
+    fprintf(h_file, "#define %s\n", fn);
+    fprintf(h_file, "\n");
+    fprintf(h_file, "struct et_list;\n");
+    fprintf(h_file, "\n");
+    fprintf(h_file, 
+	    "void initialize_%s_error_table_r(struct et_list **);\n",
+	    name);
+    fprintf(h_file, "\n");
+    fprintf(h_file, "void initialize_%s_error_table(void);\n", name);
+    fprintf(h_file, "#define init_%s_err_tbl initialize_%s_error_table\n", 
+	    name, name);
+    fprintf(h_file, "\n");
+    fprintf(h_file, "typedef enum %s_error_number{\n", name);
+
+    for(ec = codes; ec; ec = ec->next) {
+	fprintf(h_file, "\t%s = %ld%s\n", ec->name, base_id + ec->number, 
+		(ec->next != NULL) ? "," : "");
+    }
+
+    fprintf(h_file, "} %s_error_number;\n", name);
+    fprintf(h_file, "\n");
+    fprintf(h_file, "#define ERROR_TABLE_BASE_%s %ld\n", name, base_id);
+    fprintf(h_file, "\n");
+    fprintf(h_file, "#endif /* %s */\n", fn);
+
+
+    fclose(h_file);
+    return 0;
+}
+
+static int
+generate(void)
+{
+    return generate_c() || generate_h();
+}
+
+int version_flag;
+int help_flag;
+struct getargs args[] = {
+    { "version", 0, arg_flag, &version_flag },
+    { "help", 0, arg_flag, &help_flag }
+};
+int num_args = sizeof(args) / sizeof(args[0]);
+
+static void
+usage(int code)
+{
+    arg_printusage(args, num_args, NULL, "error-table");
+    exit(code);
+}
+
+int
+main(int argc, char **argv)
+{
+    char *p;
+    int optidx = 0;
+
+    setprogname(argv[0]);
+    if(getarg(args, num_args, argc, argv, &optidx))
+	usage(1);
+    if(help_flag)
+	usage(0);
+    if(version_flag) {
+	print_version(NULL);
+	exit(0);
+    }
+
+    if(optidx == argc) 
+	usage(1);
+    filename = argv[optidx];
+    yyin = fopen(filename, "r");
+    if(yyin == NULL)
+	err(1, "%s", filename);
+	
+    
+    p = strrchr(filename, '/');
+    if(p)
+	p++;
+    else
+	p = filename;
+    strlcpy(Basename, p, sizeof(Basename));
+    
+    Basename[strcspn(Basename, ".")] = '\0';
+    
+    snprintf(hfn, sizeof(hfn), "%s.h", Basename);
+    snprintf(cfn, sizeof(cfn), "%s.c", Basename);
+    
+    yyparse();
+    if(numerror)
+	return 1;
+
+    return generate();
+}
diff --git a/source4/heimdal/lib/com_err/compile_et.h b/source4/heimdal/lib/com_err/compile_et.h
new file mode 100644
index 0000000000..6da8c59322
--- /dev/null
+++ b/source4/heimdal/lib/com_err/compile_et.h
@@ -0,0 +1,80 @@
+/*
+ * Copyright (c) 1998 - 2000 Kungliga Tekniska Högskolan
+ * (Royal Institute of Technology, Stockholm, Sweden). 
+ * All rights reserved. 
+ *
+ * Redistribution and use in source and binary forms, with or without 
+ * modification, are permitted provided that the following conditions 
+ * are met: 
+ *
+ * 1. Redistributions of source code must retain the above copyright 
+ *    notice, this list of conditions and the following disclaimer. 
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright 
+ *    notice, this list of conditions and the following disclaimer in the 
+ *    documentation and/or other materials provided with the distribution. 
+ *
+ * 3. Neither the name of the Institute nor the names of its contributors 
+ *    may be used to endorse or promote products derived from this software 
+ *    without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 
+ * SUCH DAMAGE. 
+ */
+
+/* $Id: compile_et.h,v 1.8 2005/06/16 19:21:26 lha Exp $ */
+
+#ifndef __COMPILE_ET_H__
+#define __COMPILE_ET_H__
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <err.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include <ctype.h>
+#include <roken.h>
+
+extern long base_id;
+extern int number;
+extern char *prefix;
+extern char name[128];
+extern char *id_str;
+extern char *filename;
+extern int numerror;
+
+struct error_code {
+    unsigned number;
+    char *name;
+    char *string;
+    struct error_code *next, **tail;
+};
+
+extern struct error_code *codes;
+
+#define APPEND(L, V) 				\
+do {						\
+    if((L) == NULL) {				\
+	(L) = (V);				\
+	(L)->tail = &(V)->next;			\
+	(L)->next = NULL;			\
+    }else{					\
+	*(L)->tail = (V);			\
+	(L)->tail = &(V)->next;			\
+    }						\
+}while(0)
+
+#endif /* __COMPILE_ET_H__ */
diff --git a/source4/heimdal/lib/com_err/error.c b/source4/heimdal/lib/com_err/error.c
new file mode 100644
index 0000000000..b22f25b41a
--- /dev/null
+++ b/source4/heimdal/lib/com_err/error.c
@@ -0,0 +1,91 @@
+/*
+ * Copyright (c) 1997, 1998, 2001 Kungliga Tekniska Högskolan
+ * (Royal Institute of Technology, Stockholm, Sweden). 
+ * All rights reserved. 
+ *
+ * Redistribution and use in source and binary forms, with or without 
+ * modification, are permitted provided that the following conditions 
+ * are met: 
+ *
+ * 1. Redistributions of source code must retain the above copyright 
+ *    notice, this list of conditions and the following disclaimer. 
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright 
+ *    notice, this list of conditions and the following disclaimer in the 
+ *    documentation and/or other materials provided with the distribution. 
+ *
+ * 3. Neither the name of the Institute nor the names of its contributors 
+ *    may be used to endorse or promote products derived from this software 
+ *    without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 
+ * SUCH DAMAGE. 
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+RCSID("$Id: error.c,v 1.15 2001/02/28 20:00:13 joda Exp $");
+#endif
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <com_right.h>
+
+const char *
+com_right(struct et_list *list, long code)
+{
+    struct et_list *p;
+    for (p = list; p; p = p->next) {
+	if (code >= p->table->base && code < p->table->base + p->table->n_msgs)
+	    return p->table->msgs[code - p->table->base];
+    }
+    return NULL;
+}
+
+struct foobar {
+    struct et_list etl;
+    struct error_table et;
+};
+
+void
+initialize_error_table_r(struct et_list **list, 
+			 const char **messages, 
+			 int num_errors,
+			 long base)
+{
+    struct et_list *et, **end;
+    struct foobar *f;
+    for (end = list, et = *list; et; end = &et->next, et = et->next)
+        if (et->table->msgs == messages)
+            return;
+    f = malloc(sizeof(*f));
+    if (f == NULL)
+        return;
+    et = &f->etl;
+    et->table = &f->et;
+    et->table->msgs = messages;
+    et->table->n_msgs = num_errors;
+    et->table->base = base;
+    et->next = NULL;
+    *end = et;
+}
+			
+
+void
+free_error_table(struct et_list *et)
+{
+    while(et){
+	struct et_list *p = et;
+	et = et->next;
+	free(p);
+    }
+}
diff --git a/source4/heimdal/lib/com_err/lex.h b/source4/heimdal/lib/com_err/lex.h
new file mode 100644
index 0000000000..9912bf4f09
--- /dev/null
+++ b/source4/heimdal/lib/com_err/lex.h
@@ -0,0 +1,39 @@
+/*
+ * Copyright (c) 1997 - 2000 Kungliga Tekniska Högskolan
+ * (Royal Institute of Technology, Stockholm, Sweden). 
+ * All rights reserved. 
+ *
+ * Redistribution and use in source and binary forms, with or without 
+ * modification, are permitted provided that the following conditions 
+ * are met: 
+ *
+ * 1. Redistributions of source code must retain the above copyright 
+ *    notice, this list of conditions and the following disclaimer. 
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright 
+ *    notice, this list of conditions and the following disclaimer in the 
+ *    documentation and/or other materials provided with the distribution. 
+ *
+ * 3. Neither the name of the Institute nor the names of its contributors 
+ *    may be used to endorse or promote products derived from this software 
+ *    without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 
+ * SUCH DAMAGE. 
+ */
+
+/* $Id: lex.h,v 1.1 2000/06/22 00:42:52 assar Exp $ */
+
+void error_message (const char *, ...)
+__attribute__ ((format (printf, 1, 2)));
+
+int yylex(void);
diff --git a/source4/heimdal/lib/com_err/lex.l b/source4/heimdal/lib/com_err/lex.l
new file mode 100644
index 0000000000..d60e67c136
--- /dev/null
+++ b/source4/heimdal/lib/com_err/lex.l
@@ -0,0 +1,128 @@
+%{
+/*
+ * Copyright (c) 1998 - 2000 Kungliga Tekniska Högskolan
+ * (Royal Institute of Technology, Stockholm, Sweden). 
+ * All rights reserved. 
+ *
+ * Redistribution and use in source and binary forms, with or without 
+ * modification, are permitted provided that the following conditions 
+ * are met: 
+ *
+ * 1. Redistributions of source code must retain the above copyright 
+ *    notice, this list of conditions and the following disclaimer. 
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright 
+ *    notice, this list of conditions and the following disclaimer in the 
+ *    documentation and/or other materials provided with the distribution. 
+ *
+ * 3. Neither the name of the Institute nor the names of its contributors 
+ *    may be used to endorse or promote products derived from this software 
+ *    without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 
+ * SUCH DAMAGE. 
+ */
+
+/*
+ * This is to handle the definition of this symbol in some AIX
+ * headers, which will conflict with the definition that lex will
+ * generate for it.  It's only a problem for AIX lex.
+ */
+
+#undef ECHO
+
+#include "compile_et.h"
+#include "parse.h"
+#include "lex.h"
+
+RCSID("$Id: lex.l,v 1.8 2005/05/16 08:52:54 lha Exp $");
+
+static unsigned lineno = 1;
+static int getstring(void);
+
+#define YY_NO_UNPUT
+
+#undef ECHO
+
+%}
+
+
+%%
+et			{ return ET; }
+error_table		{ return ET; }
+ec			{ return EC; }
+error_code		{ return EC; }
+prefix			{ return PREFIX; }
+index			{ return INDEX; }
+id			{ return ID; }
+end			{ return END; }
+[0-9]+			{ yylval.number = atoi(yytext); return NUMBER; }
+#[^\n]*			;
+[ \t]			;
+\n			{ lineno++; }
+\"			{ return getstring(); }
+[a-zA-Z0-9_]+		{ yylval.string = strdup(yytext); return STRING; }
+.			{ return *yytext; }
+%%
+
+#ifndef yywrap /* XXX */
+int
+yywrap () 
+{
+     return 1;
+}
+#endif
+
+static int
+getstring(void)
+{
+    char x[128];
+    int i = 0;
+    int c;
+    int quote = 0;
+    while(i < sizeof(x) - 1 && (c = input()) != EOF){
+	if(quote) {
+	    x[i++] = c;
+	    quote = 0;
+	    continue;
+	}
+	if(c == '\n'){
+	    error_message("unterminated string");
+	    lineno++;
+	    break;
+	}
+	if(c == '\\'){
+	    quote++;
+	    continue;
+	}
+	if(c == '\"')
+	    break;
+	x[i++] = c;
+    }
+    x[i] = '\0';
+    yylval.string = strdup(x);
+    if (yylval.string == NULL)
+        err(1, "malloc");
+    return STRING;
+}
+
+void
+error_message (const char *format, ...)
+{
+     va_list args;
+
+     va_start (args, format);
+     fprintf (stderr, "%s:%d:", filename, lineno);
+     vfprintf (stderr, format, args);
+     va_end (args);
+     numerror++;
+}
diff --git a/source4/heimdal/lib/com_err/parse.y b/source4/heimdal/lib/com_err/parse.y
new file mode 100644
index 0000000000..6174d6ae7f
--- /dev/null
+++ b/source4/heimdal/lib/com_err/parse.y
@@ -0,0 +1,173 @@
+%{
+/*
+ * Copyright (c) 1998 - 2000 Kungliga Tekniska Högskolan
+ * (Royal Institute of Technology, Stockholm, Sweden). 
+ * All rights reserved. 
+ *
+ * Redistribution and use in source and binary forms, with or without 
+ * modification, are permitted provided that the following conditions 
+ * are met: 
+ *
+ * 1. Redistributions of source code must retain the above copyright 
+ *    notice, this list of conditions and the following disclaimer. 
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright 
+ *    notice, this list of conditions and the following disclaimer in the 
+ *    documentation and/or other materials provided with the distribution. 
+ *
+ * 3. Neither the name of the Institute nor the names of its contributors 
+ *    may be used to endorse or promote products derived from this software 
+ *    without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 
+ * SUCH DAMAGE. 
+ */
+
+#include "compile_et.h"
+#include "lex.h"
+
+RCSID("$Id: parse.y,v 1.15 2005/06/16 19:21:42 lha Exp $");
+
+void yyerror (char *s);
+static long name2number(const char *str);
+
+extern char *yytext;
+
+/* This is for bison */
+
+#if !defined(alloca) && !defined(HAVE_ALLOCA)
+#define alloca(x) malloc(x)
+#endif
+
+%}
+
+%union {
+  char *string;
+  int number;
+}
+
+%token ET INDEX PREFIX EC ID END
+%token <string> STRING
+%token <number> NUMBER
+
+%%
+
+file		: /* */ 
+		| header statements
+		;
+
+header		: id et
+		| et
+		;
+
+id		: ID STRING
+		{
+		    id_str = $2;
+		}
+		;
+
+et		: ET STRING
+		{
+		    base_id = name2number($2);
+		    strlcpy(name, $2, sizeof(name));
+		    free($2);
+		}
+		| ET STRING STRING
+		{
+		    base_id = name2number($2);
+		    strlcpy(name, $3, sizeof(name));
+		    free($2);
+		    free($3);
+		}
+		;
+
+statements	: statement
+		| statements statement
+		;
+
+statement	: INDEX NUMBER 
+		{
+			number = $2;
+		}
+		| PREFIX STRING
+		{
+		    free(prefix);
+		    asprintf (&prefix, "%s_", $2);
+		    if (prefix == NULL)
+			errx(1, "malloc");
+		    free($2);
+		}
+		| PREFIX
+		{
+		    prefix = realloc(prefix, 1);
+		    if (prefix == NULL)
+			errx(1, "malloc");
+		    *prefix = '\0';
+		}
+		| EC STRING ',' STRING
+		{
+		    struct error_code *ec = malloc(sizeof(*ec));
+		    
+		    if (ec == NULL)
+			errx(1, "malloc");
+
+		    ec->next = NULL;
+		    ec->number = number;
+		    if(prefix && *prefix != '\0') {
+			asprintf (&ec->name, "%s%s", prefix, $2);
+			if (ec->name == NULL)
+			    errx(1, "malloc");
+			free($2);
+		    } else
+			ec->name = $2;
+		    ec->string = $4;
+		    APPEND(codes, ec);
+		    number++;
+		}
+		| END
+		{
+			YYACCEPT;
+		}
+		;
+
+%%
+
+static long
+name2number(const char *str)
+{
+    const char *p;
+    long num = 0;
+    const char *x = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+	"abcdefghijklmnopqrstuvwxyz0123456789_";
+    if(strlen(str) > 4) {
+	yyerror("table name too long");
+	return 0;
+    }
+    for(p = str; *p; p++){
+	char *q = strchr(x, *p);
+	if(q == NULL) {
+	    yyerror("invalid character in table name");
+	    return 0;
+	}
+	num = (num << 6) + (q - x) + 1;
+    }
+    num <<= 8;
+    if(num > 0x7fffffff)
+	num = -(0xffffffff - num + 1);
+    return num;
+}
+
+void
+yyerror (char *s)
+{
+     error_message ("%s\n", s);
+}