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support for dumping to krb4. From Miroslav Ruda <ruda@ics.muni.cz>

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git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@6228 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Assar Westerlund
1999-05-13 23:33:13 +00:00
parent 0fbaba1cca
commit 3e09b67416
1 changed files with 187 additions and 22 deletions
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209
kdc/hpropd.c
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@@ -35,6 +35,117 @@
RCSID("$Id$");
#ifdef KRB4
static des_cblock mkey4;
static des_key_schedule msched4;
static char *
time2str(time_t t)
{
static char buf[128];
strftime(buf, sizeof(buf), "%Y%m%d%H%M", gmtime(&t));
return buf;
}
static int
dump_krb4(krb5_context context, hdb_entry *ent, int fd) {
char name[ANAME_SZ];
char instance[INST_SZ];
char realm[REALM_SZ];
char buf[1024]="";
char *p;
int i;
int ret;
char *princ_name;
Event *modifier;
ret = krb5_524_conv_principal(context, ent->principal,
name, instance, realm);
if (ret) {
krb5_unparse_name(context, ent->principal, &princ_name);
krb5_warn(context, ret, "%s", princ_name);
free(princ_name);
return -1;
}
strcat(buf, name);
strcat(buf, " ");
strcat(buf, (strlen(instance) != 0) ? instance : "*");
strcat(buf, " ");
if (ent->max_life) {
asprintf(&p, "%d", krb_time_to_life(0, *ent->max_life));
strcat(buf, p);
free(p);
}
else
strcat(buf, "255");
strcat(buf, " ");
i = 0;
while (i < ent->keys.len && ((ent->keys.val)+i)->key.keytype != KEYTYPE_DES) {
i++;
}
if (i == ent->keys.len) {
krb5_warnx(context, "No DES key for %s.%s", name, instance);
return -1;
}
if (ent->keys.val[i].mkvno)
asprintf(&p, "%d ", *ent->keys.val[i].mkvno);
else
asprintf(&p, "%d ", 1);
strcat(buf, p);
free(p);
asprintf(&p, "%d ", ent->kvno);
strcat(buf, p);
free(p);
asprintf(&p, "%d ", 0); /* Attributes are always 0*/
strcat(buf, p);
free(p);
{
u_int32_t *key = ((ent->keys.val)+i)->key.keyvalue.data;
kdb_encrypt_key((des_cblock*)key, (des_cblock*)key, &mkey4, msched4, 1);
asprintf(&p, "%x %x ", (int)htonl(*key), (int)htonl(*(key+1)));
strcat(buf, p);
free(p);
}
if (ent->pw_end == NULL)
strcat(buf, time2str(60*60*24*365*50)); /* passwd will never expire */
else
strcat(buf, time2str(*ent->pw_end));
strcat(buf, " ");
if (ent->modified_by == NULL)
modifier = &ent->created_by;
else
modifier = ent->modified_by;
ret = krb5_524_conv_principal(context, modifier->principal,
name, instance, realm);
if (ret) {
krb5_unparse_name(context, modifier->principal, &princ_name);
krb5_warn(context, ret, "%s", princ_name);
free(princ_name);
return -1;
}
asprintf(&p, "%s %s %s\n", time2str(modifier->time),
(strlen(name) != 0) ? name : "*",
(strlen(instance) != 0) ? instance : "*");
strcat(buf, p);
free(p);
ret = write(fd, buf, strlen(buf));
if (ret == -1)
krb5_warnx(context, "write");
return 0;
}
#endif /* KRB4 */
static int
open_socket(krb5_context context)
{
@@ -80,11 +191,17 @@ static int version_flag;
static int print_dump;
static char *database = HDB_DEFAULT_DB;
static int from_stdin;
#ifdef KRB4
static int v4dump;
#endif
struct getargs args[] = {
{ "database", 'd', arg_string, &database, "database", "file" },
{ "stdin", 'n', arg_flag, &from_stdin, "read from stdin" },
{ "print", 0, arg_flag, &print_dump, "print dump to stdout" },
#ifdef KRB4
{ "v4dump", '4', arg_flag, &v4dump, "create v4 type DB" },
#endif
{ "version", 0, arg_flag, &version_flag, NULL, NULL },
{ "help", 'h', arg_flag, &help_flag, NULL, NULL}
};
@@ -99,7 +216,8 @@ usage(int ret)
}
int main(int argc, char **argv)
int
main(int argc, char **argv)
{
krb5_error_code ret;
krb5_context context;
@@ -115,6 +233,10 @@ int main(int argc, char **argv)
char *tmp_db;
krb5_log_facility *fac;
int nprincs;
#ifdef KRB4
int e;
int fd_out;
#endif
set_progname(argv[0]);
@@ -125,9 +247,14 @@ int main(int argc, char **argv)
if(ret)
;
krb5_set_warn_dest(context, fac);
if(getarg(args, num_args, argc, argv, &optind))
usage(1);
#ifdef KRB4
if (v4dump && database == HDB_DEFAULT_DB)
database = "/var/kerberos/524_dump";
#endif /* KRB4 */
if(help_flag)
usage(0);
if(version_flag) {
@@ -187,14 +314,31 @@ int main(int argc, char **argv)
if(!print_dump) {
asprintf(&tmp_db, "%s~", database);
ret = hdb_create(context, &db, tmp_db);
if(ret)
krb5_err(context, 1, ret, "hdb_create(%s)", tmp_db);
ret = db->open(context, db, O_RDWR | O_CREAT | O_TRUNC, 0600);
if(ret)
krb5_err(context, 1, ret, "hdb_open(%s)", tmp_db);
#ifdef KRB4
if (v4dump) {
fd_out = open(tmp_db, O_WRONLY | O_CREAT | O_TRUNC, 0600);
if (fd_out == -1)
krb5_errx(context, 1, "%s", strerror(errno));
}
else
#endif /* KRB4 */
{
ret = hdb_create(context, &db, tmp_db);
if(ret)
krb5_err(context, 1, ret, "hdb_create(%s)", tmp_db);
ret = db->open(context, db, O_RDWR | O_CREAT | O_TRUNC, 0600);
if(ret)
krb5_err(context, 1, ret, "hdb_open(%s)", tmp_db);
}
}
#ifdef KRB4
if (v4dump) {
e = kdb_get_master_key(0, &mkey4, msched4);
if(e) krb5_errx(context, 1, "kdb_get_master_key: %s", krb_get_err_text(e));
}
#endif /* KRB4 */
nprincs = 0;
while(1){
krb5_data data;
@@ -215,28 +359,49 @@ int main(int argc, char **argv)
send_priv(context, ac, &data, fd);
}
if(!print_dump) {
ret = db->rename(context, db, database);
if(ret) krb5_err(context, 1, ret, "db_rename");
ret = db->close(context, db);
if(ret) krb5_err(context, 1, ret, "db_close");
#ifdef KRB4
if (v4dump) {
ret = rename(tmp_db, database);
if (ret)
krb5_errx(context, 1, "rename");
ret = close(fd_out);
if (ret)
krb5_errx(context, 1, "close");
} else
#endif /* KRB4 */
{
ret = db->rename(context, db, database);
if(ret) krb5_err(context, 1, ret, "db_rename");
ret = db->close(context, db);
if(ret) krb5_err(context, 1, ret, "db_close");
}
break;
}
break;
}
ret = hdb_value2entry(context, &data, &entry);
if(ret) krb5_err(context, 1, ret, "hdb_value2entry");
if(print_dump)
hdb_print_entry(context, db, &entry, stdout);
else {
ret = db->store(context, db, 0, &entry);
if(ret == HDB_ERR_EXISTS){
char *s;
krb5_unparse_name(context, entry.principal, &s);
krb5_warnx(context, "Entry exists: %s", s);
free(s);
} else if(ret)
krb5_err(context, 1, ret, "db_store");
#ifdef KRB4
if (v4dump) {
ret = dump_krb4(context, &entry, fd_out);
if(!ret) nprincs++;
}
else
nprincs++;
#endif /* KRB4 */
{
ret = db->store(context, db, 0, &entry);
if(ret == HDB_ERR_EXISTS){
char *s;
krb5_unparse_name(context, entry.principal, &s);
krb5_warnx(context, "Entry exists: %s", s);
free(s);
} else if(ret)
krb5_err(context, 1, ret, "db_store");
else
nprincs++;
}
}
hdb_free_entry(context, &entry);
}