Database propagation server.
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@2851 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Johan Danielsson
199
kdc/hpropd.c
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199
kdc/hpropd.c
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/*
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* Copyright (c) 1997 Kungliga Tekniska H<>gskolan
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* (Royal Institute of Technology, Stockholm, Sweden).
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Kungliga Tekniska
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* H<>gskolan and its contributors.
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*
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* 4. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include "hprop.h"
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RCSID("$Id$");
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int open_socket(krb5_context context)
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{
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int s, s2;
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int sin_len;
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struct sockaddr_in sin;
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int one = 1;
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sin_len = sizeof(sin);
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if(getpeername(0, (struct sockaddr*)&sin, &sin_len)){
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s = socket(AF_INET, SOCK_STREAM, 0);
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if(s < 0){
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krb5_warn(context, errno, "socket");
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return -1;
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}
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setsockopt(s, SOL_SOCKET, SO_REUSEADDR, &one, sizeof(one));
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memset(&sin, 0, sizeof(sin));
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sin.sin_family = AF_INET;
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sin.sin_port = krb5_getportbyname ("hprop", "tcp", htons(4712));
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if(bind(s, (struct sockaddr*)&sin, sizeof(sin)) < 0){
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krb5_warn(context, errno, "bind");
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close(s);
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return -1;
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}
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if(listen(s, 5) < 0){
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krb5_warn(context, errno, "listen");
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close(s);
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return -1;
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}
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s2 = accept(s, NULL, 0);
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if(s2 < 0)
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krb5_warn(context, errno, "accept");
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close(s);
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return s2;
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}
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return 0;
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}
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static int help_flag;
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static int version_flag;
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static char *database = HDB_DEFAULT_DB;;
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struct getargs args[] = {
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#if 0
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{ "slave", 's', arg_strings, &slaves, "slave server", "host" },
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#endif
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{ "database", 'd', arg_string, &database, "database", "file" },
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{ "version", 0, arg_flag, &version_flag, NULL, NULL },
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{ "help", 'h', arg_flag, &help_flag, NULL, NULL}
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};
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static int num_args = sizeof(args) / sizeof(args[0]);
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void usage(int ret)
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{
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arg_printusage (args, num_args, "");
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exit (ret);
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}
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int main(int argc, char **argv)
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{
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krb5_error_code ret;
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krb5_context context;
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krb5_auth_context ac = NULL;
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krb5_principal server;
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krb5_creds creds;
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krb5_keytab keytab;
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int fd, fd2;
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HDB *db;
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char *realm;
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char hostname[128];
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int optind;
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char *tmp_db;
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krb5_log_facility *fac;
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set_progname(argv[0]);
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ret = krb5_init_context(&context);
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if(ret) exit(1);
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ret = krb5_openlog(context, "hpropd", &fac);
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if(ret)
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;
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krb5_set_warn_dest(context, fac);
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if(getarg(args, num_args, argc, argv, &optind))
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usage(1);
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if(help_flag)
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usage(0);
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if(version_flag)
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krb5_errx(context, 0, "%s (%s)\n", __progname, heimdal_version);
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fd = open_socket(context);
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if(fd < 0)
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krb5_errx(context, 1, "Failed to obtain socket - exiting");
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{
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int sin_len;
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struct sockaddr_in sin;
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sin_len = sizeof(sin);
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if(getpeername(fd, (struct sockaddr*)&sin, &sin_len))
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krb5_err(context, 1, errno, "getpeername");
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krb5_log(context, fac, 0, "Connection from %s", inet_ntoa(sin.sin_addr));
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}
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gethostname(hostname, sizeof(hostname));
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ret = krb5_sname_to_principal(context, hostname, HPROP_NAME, KRB5_NT_SRV_HST, &server);
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if(ret) krb5_err(context, 1, ret, "krb5_sname_to_principal");
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ret = krb5_kt_default(context, &keytab);
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if(ret) krb5_err(context, 1, ret, "krb5_kt_default");
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ret = krb5_recvauth(context, &ac, &fd2, HPROP_VERSION, server, 0, keytab, NULL);
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if(ret) krb5_err(context, 1, ret, "krb5_recvauth");
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ret = krb5_kt_close(context, keytab);
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if(ret) krb5_err(context, 1, ret, "krb5_kt_close");
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asprintf(&tmp_db, "%s~", database);
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ret = hdb_open(context, &db, tmp_db, O_RDWR | O_CREAT | O_TRUNC, 0600);
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if(ret) krb5_err(context, 1, ret, "hdb_open");
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while(1){
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unsigned char tmp[4];
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unsigned char buf[1024];
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char *name;
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size_t len;
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krb5_data data, out;
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hdb_entry entry;
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if(krb5_net_read(context, fd2, tmp, 4) != 4)
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break;
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len = (tmp[0] << 24) | (tmp[1] << 16) | (tmp[2] << 8) | tmp[3];
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if(krb5_net_read(context, fd2, buf, len) != len)
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break;
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data.data = buf;
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data.length = len;
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ret = krb5_rd_priv(context, ac, &data, &out, NULL);
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if(ret) krb5_err(context, 1, ret, "krb5_rd_priv");
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if(out.length == 0){
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fprintf(stderr, "mv %s %s\n", tmp_db, database);
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break;
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}
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ret = hdb_value2entry(context, &out, &entry);
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if(ret) krb5_err(context, 1, ret, "hdb_value2entry");
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ret = db->store(context, db, &entry);
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if(ret) krb5_err(context, 1, ret, "db_store");
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#if 0
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ret = krb5_unparse_name(context, entry.principal, &name);
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if(ret) krb5_err(context, 1, ret, "krb5_unparse_name");
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printf("%s\n", name);
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#endif
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hdb_free_entry(context, &entry);
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}
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exit(0);
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}
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