272 lines
7.6 KiB
C
272 lines
7.6 KiB
C
/*
|
|
* Copyright (c) 1997-2006 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 "hprop.h"
|
|
|
|
RCSID("$Id: hpropd.c 22245 2007-12-08 23:48:52Z lha $");
|
|
|
|
static int inetd_flag = -1;
|
|
static int help_flag;
|
|
static int version_flag;
|
|
static int print_dump;
|
|
static const char *database;
|
|
static int from_stdin;
|
|
static char *local_realm;
|
|
static char *ktname = NULL;
|
|
|
|
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" },
|
|
{ "inetd", 'i', arg_negative_flag, &inetd_flag,
|
|
"Not started from inetd" },
|
|
{ "keytab", 'k', arg_string, &ktname, "keytab to use for authentication", "keytab" },
|
|
{ "realm", 'r', arg_string, &local_realm, "realm to use" },
|
|
{ "version", 0, arg_flag, &version_flag, NULL, NULL },
|
|
{ "help", 'h', arg_flag, &help_flag, NULL, NULL}
|
|
};
|
|
|
|
static int num_args = sizeof(args) / sizeof(args[0]);
|
|
|
|
static void
|
|
usage(int ret)
|
|
{
|
|
arg_printusage (args, num_args, NULL, "");
|
|
exit (ret);
|
|
}
|
|
|
|
int
|
|
main(int argc, char **argv)
|
|
{
|
|
krb5_error_code ret;
|
|
krb5_context context;
|
|
krb5_auth_context ac = NULL;
|
|
krb5_principal c1, c2;
|
|
krb5_authenticator authent;
|
|
krb5_keytab keytab;
|
|
int fd;
|
|
HDB *db;
|
|
int optidx = 0;
|
|
char *tmp_db;
|
|
krb5_log_facility *fac;
|
|
int nprincs;
|
|
|
|
setprogname(argv[0]);
|
|
|
|
ret = krb5_init_context(&context);
|
|
if(ret)
|
|
exit(1);
|
|
|
|
ret = krb5_openlog(context, "hpropd", &fac);
|
|
if(ret)
|
|
;
|
|
krb5_set_warn_dest(context, fac);
|
|
|
|
if(getarg(args, num_args, argc, argv, &optidx))
|
|
usage(1);
|
|
|
|
if(local_realm != NULL)
|
|
krb5_set_default_realm(context, local_realm);
|
|
|
|
if(help_flag)
|
|
usage(0);
|
|
if(version_flag) {
|
|
print_version(NULL);
|
|
exit(0);
|
|
}
|
|
|
|
argc -= optidx;
|
|
argv += optidx;
|
|
|
|
if (argc != 0)
|
|
usage(1);
|
|
|
|
if (database == NULL)
|
|
database = hdb_default_db(context);
|
|
|
|
if(from_stdin)
|
|
fd = STDIN_FILENO;
|
|
else {
|
|
struct sockaddr_storage ss;
|
|
struct sockaddr *sa = (struct sockaddr *)&ss;
|
|
socklen_t sin_len = sizeof(ss);
|
|
char addr_name[256];
|
|
krb5_ticket *ticket;
|
|
char *server;
|
|
|
|
fd = STDIN_FILENO;
|
|
if (inetd_flag == -1) {
|
|
if (getpeername (fd, sa, &sin_len) < 0)
|
|
inetd_flag = 0;
|
|
else
|
|
inetd_flag = 1;
|
|
}
|
|
if (!inetd_flag) {
|
|
mini_inetd (krb5_getportbyname (context, "hprop", "tcp",
|
|
HPROP_PORT));
|
|
}
|
|
sin_len = sizeof(ss);
|
|
if(getpeername(fd, sa, &sin_len) < 0)
|
|
krb5_err(context, 1, errno, "getpeername");
|
|
|
|
if (inet_ntop(sa->sa_family,
|
|
socket_get_address (sa),
|
|
addr_name,
|
|
sizeof(addr_name)) == NULL)
|
|
strlcpy (addr_name, "unknown address",
|
|
sizeof(addr_name));
|
|
|
|
krb5_log(context, fac, 0, "Connection from %s", addr_name);
|
|
|
|
ret = krb5_kt_register(context, &hdb_kt_ops);
|
|
if(ret)
|
|
krb5_err(context, 1, ret, "krb5_kt_register");
|
|
|
|
if (ktname != NULL) {
|
|
ret = krb5_kt_resolve(context, ktname, &keytab);
|
|
if (ret)
|
|
krb5_err (context, 1, ret, "krb5_kt_resolve %s", ktname);
|
|
} else {
|
|
ret = krb5_kt_default (context, &keytab);
|
|
if (ret)
|
|
krb5_err (context, 1, ret, "krb5_kt_default");
|
|
}
|
|
|
|
ret = krb5_recvauth(context, &ac, &fd, HPROP_VERSION, NULL,
|
|
0, keytab, &ticket);
|
|
if(ret)
|
|
krb5_err(context, 1, ret, "krb5_recvauth");
|
|
|
|
ret = krb5_unparse_name(context, ticket->server, &server);
|
|
if (ret)
|
|
krb5_err(context, 1, ret, "krb5_unparse_name");
|
|
if (strncmp(server, "hprop/", 5) != 0)
|
|
krb5_errx(context, 1, "ticket not for hprop (%s)", server);
|
|
|
|
free(server);
|
|
krb5_free_ticket (context, ticket);
|
|
|
|
ret = krb5_auth_con_getauthenticator(context, ac, &authent);
|
|
if(ret)
|
|
krb5_err(context, 1, ret, "krb5_auth_con_getauthenticator");
|
|
|
|
ret = krb5_make_principal(context, &c1, NULL, "kadmin", "hprop", NULL);
|
|
if(ret)
|
|
krb5_err(context, 1, ret, "krb5_make_principal");
|
|
_krb5_principalname2krb5_principal(context, &c2,
|
|
authent->cname, authent->crealm);
|
|
if(!krb5_principal_compare(context, c1, c2)) {
|
|
char *s;
|
|
ret = krb5_unparse_name(context, c2, &s);
|
|
if (ret)
|
|
s = "unparseable name";
|
|
krb5_errx(context, 1, "Unauthorized connection from %s", s);
|
|
}
|
|
krb5_free_principal(context, c1);
|
|
krb5_free_principal(context, c2);
|
|
|
|
ret = krb5_kt_close(context, keytab);
|
|
if(ret)
|
|
krb5_err(context, 1, ret, "krb5_kt_close");
|
|
}
|
|
|
|
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->hdb_open(context, db, O_RDWR | O_CREAT | O_TRUNC, 0600);
|
|
if(ret)
|
|
krb5_err(context, 1, ret, "hdb_open(%s)", tmp_db);
|
|
}
|
|
|
|
nprincs = 0;
|
|
while(1){
|
|
krb5_data data;
|
|
hdb_entry_ex entry;
|
|
|
|
if(from_stdin) {
|
|
ret = krb5_read_message(context, &fd, &data);
|
|
if(ret != 0 && ret != HEIM_ERR_EOF)
|
|
krb5_err(context, 1, ret, "krb5_read_message");
|
|
} else {
|
|
ret = krb5_read_priv_message(context, ac, &fd, &data);
|
|
if(ret)
|
|
krb5_err(context, 1, ret, "krb5_read_priv_message");
|
|
}
|
|
|
|
if(ret == HEIM_ERR_EOF || data.length == 0) {
|
|
if(!from_stdin) {
|
|
data.data = NULL;
|
|
data.length = 0;
|
|
krb5_write_priv_message(context, ac, &fd, &data);
|
|
}
|
|
if(!print_dump) {
|
|
ret = db->hdb_rename(context, db, database);
|
|
if(ret)
|
|
krb5_err(context, 1, ret, "db_rename");
|
|
ret = db->hdb_close(context, db);
|
|
if(ret)
|
|
krb5_err(context, 1, ret, "db_close");
|
|
}
|
|
break;
|
|
}
|
|
memset(&entry, 0, sizeof(entry));
|
|
ret = hdb_value2entry(context, &data, &entry.entry);
|
|
krb5_data_free(&data);
|
|
if(ret)
|
|
krb5_err(context, 1, ret, "hdb_value2entry");
|
|
if(print_dump)
|
|
hdb_print_entry(context, db, &entry, stdout);
|
|
else {
|
|
ret = db->hdb_store(context, db, 0, &entry);
|
|
if(ret == HDB_ERR_EXISTS) {
|
|
char *s;
|
|
ret = krb5_unparse_name(context, entry.entry.principal, &s);
|
|
if (ret)
|
|
s = strdup("unparseable name");
|
|
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);
|
|
}
|
|
if (!print_dump)
|
|
krb5_log(context, fac, 0, "Received %d principals", nprincs);
|
|
exit(0);
|
|
}
|