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/*
* $Source$
* $Author$
*
* Copyright 1990 by the Massachusetts Institute of Technology.
*
* For copying and distribution information, please see the file
* <krb5/copyright.h>.
*
* Dump a KDC database
*/
#if !defined(lint) && !defined(SABER)
static char rcsid_kdb_edit_c[] =
"$Id$";
#endif /* !lint & !SABER */
#include <krb5/copyright.h>
#include <krb5/krb5.h>
#include <krb5/kdb.h>
#include <krb5/kdb_dbm.h>
#include <krb5/libos-proto.h>
#include <krb5/asn1.h>
#include <krb5/config.h>
#include <krb5/sysincl.h> /* for MAXPATHLEN */
#include <krb5/ext-proto.h>
#include <krb5/func-proto.h>
#include <com_err.h>
#include <ss/ss.h>
#include <stdio.h>
#define REALM_SEP '@'
#define REALM_SEP_STR "@"
struct mblock {
krb5_deltat max_life;
krb5_deltat max_rlife;
krb5_timestamp expiration;
krb5_flags flags;
krb5_kvno mkvno;
};
struct dump_record {
char *comerr_name;
FILE *f;
};
krb5_encrypt_block master_encblock;
extern char *current_dbname;
extern krb5_boolean dbactive;
void update_ok_file();
krb5_error_code
dump_iterator(ptr, entry)
krb5_pointer ptr;
krb5_db_entry *entry;
{
krb5_error_code retval;
struct dump_record *arg = (struct dump_record *) ptr;
char *name=NULL, *mod_name=NULL;
int i;
if (retval = krb5_unparse_name(entry->principal, &name)) {
com_err(arg->comerr_name, retval, "while unparsing principal");
return retval;
}
if (retval = krb5_unparse_name(entry->mod_name, &mod_name)) {
free(name);
com_err(arg->comerr_name, retval, "while unparsing principal");
return retval;
}
fprintf(arg->f, "%d\t%d\t%s\t%d\t%d\t", strlen(name), strlen(mod_name),
name, entry->key.keytype, entry->key.length);
for (i=0; i<entry->key.length; i++) {
fprintf(arg->f, "%02x", *(entry->key.contents+i));
}
fprintf(arg->f, "\t%u\t%u\t%u\t%u\t%u\t%s\t%u\t%u\n", entry->kvno,
entry->max_life, entry->max_renewable_life, entry->mkvno,
entry->expiration, mod_name, entry->mod_date, entry->attributes);
free(name);
free(mod_name);
return 0;
}
/*ARGSUSED*/
void dump_db(argc, argv)
int argc;
char **argv;
{
FILE *f;
struct dump_record arg;
if (argc > 2) {
com_err(argv[0], 0, "Usage: %s filename", argv[0]);
return;
}
if (argc == 2) {
if (!(f = fopen(argv[1], "w"))) {
com_err(argv[0], errno,
"While opening file %s for writing", argv[1]);
return;
}
} else {
f = stdout;
}
arg.comerr_name = argv[0];
arg.f = f;
(void) krb5_db_iterate(dump_iterator, (krb5_pointer) &arg);
if (argc == 2)
fclose(f);
if (argv[1])
update_ok_file(argv[1]);
}
void update_ok_file (file_name)
char *file_name;
{
/* handle slave locking/failure stuff */
char *file_ok;
int fd;
static char ok[]=".dump_ok";
if ((file_ok = (char *)malloc(strlen(file_name) + strlen(ok) + 1))
== NULL) {
fprintf(stderr, "kdb_util: out of memory.\n");
(void) fflush (stderr);
perror ("malloc");
exit (1);
}
strcpy(file_ok, file_name);
strcat(file_ok, ok);
if ((fd = open(file_ok, O_WRONLY|O_CREAT|O_TRUNC, 0600)) < 0) {
fprintf(stderr, "Error creating 'ok' file, '%s'", file_ok);
perror("");
(void) fflush (stderr);
exit (1);
}
free(file_ok);
close(fd);
return;
}
void load_db(argc, argv)
int argc;
char **argv;
{
FILE *f;
krb5_db_entry entry;
krb5_error_code retval;
int name_len, mod_name_len,i,one;
char *name, *mod_name;
char *new_dbname;
if (argc != 3) {
com_err(argv[0], 0, "Usage: %s filename dbname", argv[0]);
return;
}
if (!(new_dbname = malloc(strlen(argv[2])+2))) {
com_err(argv[0], 0, "No room to allocate new database name!");
return;
}
strcpy(new_dbname, argv[2]);
strcat(new_dbname, "~");
if (retval = krb5_db_create(new_dbname)) {
com_err(argv[0], retval, "while creating database '%s'",
new_dbname);
return;
}
if (dbactive) {
if ((retval = krb5_db_fini()) &&
retval != KRB5_KDB_DBNOTINITED) {
com_err(argv[0], retval,
"while closing previous database");
return;
}
}
if (retval = krb5_db_set_name(new_dbname)) {
com_err(argv[0], retval,
"while setting active database to '%s'", new_dbname
);
exit(1);
}
if (retval = krb5_db_init()) {
com_err(argv[0], retval,
"while initializing database %s",
new_dbname
);
exit(1);
}
if (!(f = fopen(argv[1], "r"))) {
com_err(argv[0], errno,
"While opening file %s for writing", argv[1]);
return;
}
for (;;) {
memset((char *)&entry, 0, sizeof(entry));
if (fscanf(f,"%d\t%d\t", &name_len, &mod_name_len) == EOF)
break;
if (!(name = malloc(name_len+1))) {
com_err(argv[0], errno,
"While allocating speace for name");
break;
}
if (!(mod_name = malloc(mod_name_len+1))) {
free(name);
com_err(argv[0], errno,
"While allocating speace for name");
break;
}
fscanf(f, "%s\t%d\t%d\t", name, &entry.key.keytype,
&entry.key.length);
if (!(entry.key.contents = (krb5_octet *) malloc(entry.key.length+1))) {
free(name);
free(mod_name);
com_err(argv[0], errno,
"While allocating speace for name");
break;
}
for (i=0; i<entry.key.length; i++) {
fscanf(f,"%02x", entry.key.contents+i);
}
fscanf(f, "\t%u\t%u\t%u\t%u\t%u\t%s\t%u\t%u\n",
&entry.kvno, &entry.max_life,
&entry.max_renewable_life, &entry.mkvno,
&entry.expiration, mod_name, &entry.mod_date,
&entry.attributes);
if (retval=krb5_parse_name(name, &entry.principal)) {
com_err(argv[0], retval, "while trying to parse %s",
name);
goto cleanup;
}
if (retval=krb5_parse_name(mod_name, &entry.mod_name)) {
com_err(argv[0], retval,
"while trying to parse %s for %s",
mod_name, name);
goto cleanup;
}
one=1;
if (retval = krb5_db_put_principal(&entry, &one)) {
com_err(argv[0], retval,
"while trying to store principal %s",
name);
goto cleanup;
}
cleanup:
free(name);
free(mod_name);
free((char *)entry.key.contents);
}
if (retval = krb5_db_fini()) {
com_err(argv[0], retval,
"while closing database '%s'", new_dbname);
exit(1);
}
if (retval = krb5_db_rename(new_dbname, argv[2])) {
com_err(argv[0], retval,
"while renaming database from %s to %s",
new_dbname, argv[2]);
exit(1);
}
if (dbactive) {
if (retval = krb5_db_set_name(current_dbname)) {
com_err(argv[0], retval,
"while resetting active database to '%s'",
current_dbname);
exit(1);
}
if (retval = krb5_db_init()) {
com_err(argv[0], retval,
"while initializing active database %s",
current_dbname);
exit(1);
}
}
}
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