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Diffstat (limited to 'crypto/heimdal/lib/kadm5/ipropd_master.c')
-rw-r--r--crypto/heimdal/lib/kadm5/ipropd_master.c638
1 files changed, 0 insertions, 638 deletions
diff --git a/crypto/heimdal/lib/kadm5/ipropd_master.c b/crypto/heimdal/lib/kadm5/ipropd_master.c
deleted file mode 100644
index 537d40319561..000000000000
--- a/crypto/heimdal/lib/kadm5/ipropd_master.c
+++ /dev/null
@@ -1,638 +0,0 @@
-/*
- * 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.
- */
-
-#include "iprop.h"
-#include <rtbl.h>
-
-RCSID("$Id: ipropd_master.c,v 1.29 2003/03/19 11:56:38 lha Exp $");
-
-static krb5_log_facility *log_facility;
-
-const char *slave_stats_file = KADM5_SLAVE_STATS;
-
-static int
-make_signal_socket (krb5_context context)
-{
- struct sockaddr_un addr;
- int fd;
-
- fd = socket (AF_UNIX, SOCK_DGRAM, 0);
- if (fd < 0)
- krb5_err (context, 1, errno, "socket AF_UNIX");
- memset (&addr, 0, sizeof(addr));
- addr.sun_family = AF_UNIX;
- strlcpy (addr.sun_path, KADM5_LOG_SIGNAL, sizeof(addr.sun_path));
- unlink (addr.sun_path);
- if (bind (fd, (struct sockaddr *)&addr, sizeof(addr)) < 0)
- krb5_err (context, 1, errno, "bind %s", addr.sun_path);
- return fd;
-}
-
-static int
-make_listen_socket (krb5_context context)
-{
- int fd;
- int one = 1;
- struct sockaddr_in addr;
-
- fd = socket (AF_INET, SOCK_STREAM, 0);
- if (fd < 0)
- krb5_err (context, 1, errno, "socket AF_INET");
- setsockopt (fd, SOL_SOCKET, SO_REUSEADDR, (void *)&one, sizeof(one));
- memset (&addr, 0, sizeof(addr));
- addr.sin_family = AF_INET;
- addr.sin_port = krb5_getportbyname (context,
- IPROP_SERVICE, "tcp", IPROP_PORT);
- if(bind(fd, (struct sockaddr *)&addr, sizeof(addr)) < 0)
- krb5_err (context, 1, errno, "bind");
- if (listen(fd, SOMAXCONN) < 0)
- krb5_err (context, 1, errno, "listen");
- return fd;
-}
-
-struct slave {
- int fd;
- struct sockaddr_in addr;
- char *name;
- krb5_auth_context ac;
- u_int32_t version;
- time_t seen;
- unsigned long flags;
-#define SLAVE_F_DEAD 0x1
- struct slave *next;
-};
-
-typedef struct slave slave;
-
-static int
-check_acl (krb5_context context, const char *name)
-{
- FILE *fp;
- char buf[256];
- int ret = 1;
-
- fp = fopen (KADM5_SLAVE_ACL, "r");
- if (fp == NULL)
- return 1;
- while (fgets(buf, sizeof(buf), fp) != NULL) {
- if (buf[strlen(buf) - 1 ] == '\n')
- buf[strlen(buf) - 1 ] = '\0';
- if (strcmp (buf, name) == 0) {
- ret = 0;
- break;
- }
- }
- fclose (fp);
- return ret;
-}
-
-static void
-slave_seen(slave *s)
-{
- s->seen = time(NULL);
-}
-
-static void
-slave_dead(slave *s)
-{
- if (s->fd >= 0) {
- close (s->fd);
- s->fd = -1;
- }
- s->flags |= SLAVE_F_DEAD;
- slave_seen(s);
-}
-
-static void
-remove_slave (krb5_context context, slave *s, slave **root)
-{
- slave **p;
-
- if (s->fd >= 0)
- close (s->fd);
- if (s->name)
- free (s->name);
- if (s->ac)
- krb5_auth_con_free (context, s->ac);
-
- for (p = root; *p; p = &(*p)->next)
- if (*p == s) {
- *p = s->next;
- break;
- }
- free (s);
-}
-
-static void
-add_slave (krb5_context context, krb5_keytab keytab, slave **root, int fd)
-{
- krb5_principal server;
- krb5_error_code ret;
- slave *s;
- socklen_t addr_len;
- krb5_ticket *ticket = NULL;
- char hostname[128];
-
- s = malloc(sizeof(*s));
- if (s == NULL) {
- krb5_warnx (context, "add_slave: no memory");
- return;
- }
- s->name = NULL;
- s->ac = NULL;
-
- addr_len = sizeof(s->addr);
- s->fd = accept (fd, (struct sockaddr *)&s->addr, &addr_len);
- if (s->fd < 0) {
- krb5_warn (context, errno, "accept");
- goto error;
- }
- gethostname(hostname, sizeof(hostname));
- ret = krb5_sname_to_principal (context, hostname, IPROP_NAME,
- KRB5_NT_SRV_HST, &server);
- if (ret) {
- krb5_warn (context, ret, "krb5_sname_to_principal");
- goto error;
- }
-
- ret = krb5_recvauth (context, &s->ac, &s->fd,
- IPROP_VERSION, server, 0, keytab, &ticket);
- krb5_free_principal (context, server);
- if (ret) {
- krb5_warn (context, ret, "krb5_recvauth");
- goto error;
- }
- ret = krb5_unparse_name (context, ticket->client, &s->name);
- if (ret) {
- krb5_warn (context, ret, "krb5_unparse_name");
- goto error;
- }
- if (check_acl (context, s->name)) {
- krb5_warnx (context, "%s not in acl", s->name);
- goto error;
- }
- krb5_free_ticket (context, ticket);
- ticket = NULL;
-
- {
- slave *l = *root;
-
- while (l) {
- if (strcmp(l->name, s->name) == 0)
- break;
- l = l->next;
- }
- if (l) {
- if (l->flags & SLAVE_F_DEAD) {
- remove_slave(context, l, root);
- } else {
- krb5_warnx (context, "second connection from %s", s->name);
- goto error;
- }
- }
- }
-
- krb5_warnx (context, "connection from %s", s->name);
-
- s->version = 0;
- s->flags = 0;
- slave_seen(s);
- s->next = *root;
- *root = s;
- return;
-error:
- remove_slave(context, s, root);
-}
-
-struct prop_context {
- krb5_auth_context auth_context;
- int fd;
-};
-
-static int
-prop_one (krb5_context context, HDB *db, hdb_entry *entry, void *v)
-{
- krb5_error_code ret;
- krb5_data data;
- struct slave *slave = (struct slave *)v;
-
- ret = hdb_entry2value (context, entry, &data);
- if (ret)
- return ret;
- ret = krb5_data_realloc (&data, data.length + 4);
- if (ret) {
- krb5_data_free (&data);
- return ret;
- }
- memmove ((char *)data.data + 4, data.data, data.length - 4);
- _krb5_put_int (data.data, ONE_PRINC, 4);
-
- ret = krb5_write_priv_message (context, slave->ac, &slave->fd, &data);
- krb5_data_free (&data);
- return ret;
-}
-
-static int
-send_complete (krb5_context context, slave *s,
- const char *database, u_int32_t current_version)
-{
- krb5_error_code ret;
- HDB *db;
- krb5_data data;
- char buf[8];
-
- ret = hdb_create (context, &db, database);
- if (ret)
- krb5_err (context, 1, ret, "hdb_create: %s", database);
- ret = db->open (context, db, O_RDONLY, 0);
- if (ret)
- krb5_err (context, 1, ret, "db->open");
-
- _krb5_put_int(buf, TELL_YOU_EVERYTHING, 4);
-
- data.data = buf;
- data.length = 4;
-
- ret = krb5_write_priv_message(context, s->ac, &s->fd, &data);
-
- if (ret) {
- krb5_warn (context, ret, "krb5_write_priv_message");
- slave_dead(s);
- return ret;
- }
-
- ret = hdb_foreach (context, db, 0, prop_one, s);
- if (ret) {
- krb5_warn (context, ret, "hdb_foreach");
- slave_dead(s);
- return ret;
- }
-
- _krb5_put_int (buf, NOW_YOU_HAVE, 4);
- _krb5_put_int (buf + 4, current_version, 4);
- data.length = 8;
-
- s->version = current_version;
-
- ret = krb5_write_priv_message(context, s->ac, &s->fd, &data);
- if (ret) {
- slave_dead(s);
- krb5_warn (context, ret, "krb5_write_priv_message");
- return ret;
- }
-
- slave_seen(s);
-
- return 0;
-}
-
-static int
-send_diffs (krb5_context context, slave *s, int log_fd,
- const char *database, u_int32_t current_version)
-{
- krb5_storage *sp;
- u_int32_t ver;
- time_t timestamp;
- enum kadm_ops op;
- u_int32_t len;
- off_t right, left;
- krb5_data data;
- int ret = 0;
-
- if (s->version == current_version)
- return 0;
-
- if (s->flags & SLAVE_F_DEAD)
- return 0;
-
- sp = kadm5_log_goto_end (log_fd);
- right = krb5_storage_seek(sp, 0, SEEK_CUR);
- for (;;) {
- if (kadm5_log_previous (sp, &ver, &timestamp, &op, &len))
- abort ();
- left = krb5_storage_seek(sp, -16, SEEK_CUR);
- if (ver == s->version)
- return 0;
- if (ver == s->version + 1)
- break;
- if (left == 0)
- return send_complete (context, s, database, current_version);
- }
- krb5_data_alloc (&data, right - left + 4);
- krb5_storage_read (sp, (char *)data.data + 4, data.length - 4);
- krb5_storage_free(sp);
-
- _krb5_put_int(data.data, FOR_YOU, 4);
-
- ret = krb5_write_priv_message(context, s->ac, &s->fd, &data);
- krb5_data_free(&data);
-
- if (ret) {
- krb5_warn (context, ret, "krb5_write_priv_message");
- slave_dead(s);
- return 1;
- }
- slave_seen(s);
-
- return 0;
-}
-
-static int
-process_msg (krb5_context context, slave *s, int log_fd,
- const char *database, u_int32_t current_version)
-{
- int ret = 0;
- krb5_data out;
- krb5_storage *sp;
- int32_t tmp;
-
- ret = krb5_read_priv_message(context, s->ac, &s->fd, &out);
- if(ret) {
- krb5_warn (context, ret, "error reading message from %s", s->name);
- return 1;
- }
-
- sp = krb5_storage_from_mem (out.data, out.length);
- krb5_ret_int32 (sp, &tmp);
- switch (tmp) {
- case I_HAVE :
- krb5_ret_int32 (sp, &tmp);
- s->version = tmp;
- ret = send_diffs (context, s, log_fd, database, current_version);
- break;
- case FOR_YOU :
- default :
- krb5_warnx (context, "Ignoring command %d", tmp);
- break;
- }
-
- krb5_data_free (&out);
-
- slave_seen(s);
-
- return ret;
-}
-
-#define SLAVE_NAME "Name"
-#define SLAVE_ADDRESS "Address"
-#define SLAVE_VERSION "Version"
-#define SLAVE_STATUS "Status"
-#define SLAVE_SEEN "Last Seen"
-
-static void
-write_stats(krb5_context context, slave *slaves, u_int32_t current_version)
-{
- char str[100];
- rtbl_t tbl;
- time_t t = time(NULL);
- FILE *fp;
-
- fp = fopen(slave_stats_file, "w");
- if (fp == NULL)
- return;
-
- strftime(str, sizeof(str), "%Y-%m-%d %H:%M:%S",
- localtime(&t));
- fprintf(fp, "Status for slaves, last updated: %s\n\n", str);
-
- fprintf(fp, "Master version: %lu\n\n", (unsigned long)current_version);
-
- tbl = rtbl_create();
- if (tbl == NULL) {
- fclose(fp);
- return;
- }
-
- rtbl_add_column(tbl, SLAVE_NAME, 0);
- rtbl_add_column(tbl, SLAVE_ADDRESS, 0);
- rtbl_add_column(tbl, SLAVE_VERSION, RTBL_ALIGN_RIGHT);
- rtbl_add_column(tbl, SLAVE_STATUS, 0);
- rtbl_add_column(tbl, SLAVE_SEEN, 0);
-
- rtbl_set_prefix(tbl, " ");
- rtbl_set_column_prefix(tbl, SLAVE_NAME, "");
-
- while (slaves) {
- krb5_address addr;
- krb5_error_code ret;
- rtbl_add_column_entry(tbl, SLAVE_NAME, slaves->name);
- ret = krb5_sockaddr2address (context,
- (struct sockaddr*)&slaves->addr, &addr);
- if(ret == 0) {
- krb5_print_address(&addr, str, sizeof(str), NULL);
- krb5_free_address(context, &addr);
- rtbl_add_column_entry(tbl, SLAVE_ADDRESS, str);
- } else
- rtbl_add_column_entry(tbl, SLAVE_ADDRESS, "<unknown>");
-
- snprintf(str, sizeof(str), "%u", (unsigned)slaves->version);
- rtbl_add_column_entry(tbl, SLAVE_VERSION, str);
-
- if (slaves->flags & SLAVE_F_DEAD)
- rtbl_add_column_entry(tbl, SLAVE_STATUS, "Down");
- else
- rtbl_add_column_entry(tbl, SLAVE_STATUS, "Up");
-
- if (strftime(str, sizeof(str), "%Y-%m-%d %H:%M:%S %Z",
- localtime(&slaves->seen)) == 0)
- strlcpy(str, "Unknown time", sizeof(str));
- rtbl_add_column_entry(tbl, SLAVE_SEEN, str);
-
- slaves = slaves->next;
- }
-
- rtbl_format(tbl, fp);
- rtbl_destroy(tbl);
-
- fclose(fp);
-}
-
-
-static char *realm;
-static int version_flag;
-static int help_flag;
-static char *keytab_str = "HDB:";
-static char *database;
-
-static struct getargs args[] = {
- { "realm", 'r', arg_string, &realm },
- { "keytab", 'k', arg_string, &keytab_str,
- "keytab to get authentication from", "kspec" },
- { "database", 'd', arg_string, &database, "database", "file"},
- { "slave-stats-file", 0, arg_string, &slave_stats_file, "file"},
- { "version", 0, arg_flag, &version_flag },
- { "help", 0, arg_flag, &help_flag }
-};
-static int num_args = sizeof(args) / sizeof(args[0]);
-
-int
-main(int argc, char **argv)
-{
- krb5_error_code ret;
- krb5_context context;
- void *kadm_handle;
- kadm5_server_context *server_context;
- kadm5_config_params conf;
- int signal_fd, listen_fd;
- int log_fd;
- slave *slaves = NULL;
- u_int32_t current_version, old_version = 0;
- krb5_keytab keytab;
- int optind;
-
- optind = krb5_program_setup(&context, argc, argv, args, num_args, NULL);
-
- if(help_flag)
- krb5_std_usage(0, args, num_args);
- if(version_flag) {
- print_version(NULL);
- exit(0);
- }
-
- pidfile (NULL);
- krb5_openlog (context, "ipropd-master", &log_facility);
- krb5_set_warn_dest(context, log_facility);
-
- ret = krb5_kt_register(context, &hdb_kt_ops);
- if(ret)
- krb5_err(context, 1, ret, "krb5_kt_register");
-
- ret = krb5_kt_resolve(context, keytab_str, &keytab);
- if(ret)
- krb5_err(context, 1, ret, "krb5_kt_resolve: %s", keytab_str);
-
- memset(&conf, 0, sizeof(conf));
- if(realm) {
- conf.mask |= KADM5_CONFIG_REALM;
- conf.realm = realm;
- }
- ret = kadm5_init_with_skey_ctx (context,
- KADM5_ADMIN_SERVICE,
- NULL,
- KADM5_ADMIN_SERVICE,
- &conf, 0, 0,
- &kadm_handle);
- if (ret)
- krb5_err (context, 1, ret, "kadm5_init_with_password_ctx");
-
- server_context = (kadm5_server_context *)kadm_handle;
-
- log_fd = open (server_context->log_context.log_file, O_RDONLY, 0);
- if (log_fd < 0)
- krb5_err (context, 1, errno, "open %s",
- server_context->log_context.log_file);
-
- signal_fd = make_signal_socket (context);
- listen_fd = make_listen_socket (context);
-
- signal (SIGPIPE, SIG_IGN);
-
- for (;;) {
- slave *p;
- fd_set readset;
- int max_fd = 0;
- struct timeval to = {30, 0};
- u_int32_t vers;
-
- if (signal_fd >= FD_SETSIZE || listen_fd >= FD_SETSIZE)
- krb5_errx (context, 1, "fd too large");
-
- FD_ZERO(&readset);
- FD_SET(signal_fd, &readset);
- max_fd = max(max_fd, signal_fd);
- FD_SET(listen_fd, &readset);
- max_fd = max(max_fd, listen_fd);
-
- for (p = slaves; p != NULL; p = p->next) {
- if (p->flags & SLAVE_F_DEAD)
- continue;
- FD_SET(p->fd, &readset);
- max_fd = max(max_fd, p->fd);
- }
-
- ret = select (max_fd + 1,
- &readset, NULL, NULL, &to);
- if (ret < 0) {
- if (errno == EINTR)
- continue;
- else
- krb5_err (context, 1, errno, "select");
- }
-
- if (ret == 0) {
- old_version = current_version;
- kadm5_log_get_version_fd (log_fd, &current_version);
-
- if (current_version > old_version)
- for (p = slaves; p != NULL; p = p->next) {
- if (p->flags & SLAVE_F_DEAD)
- continue;
- send_diffs (context, p, log_fd, database, current_version);
- }
- }
-
- if (ret && FD_ISSET(signal_fd, &readset)) {
- struct sockaddr_un peer_addr;
- socklen_t peer_len = sizeof(peer_addr);
-
- if(recvfrom(signal_fd, (void *)&vers, sizeof(vers), 0,
- (struct sockaddr *)&peer_addr, &peer_len) < 0) {
- krb5_warn (context, errno, "recvfrom");
- continue;
- }
- --ret;
- old_version = current_version;
- kadm5_log_get_version_fd (log_fd, &current_version);
- for (p = slaves; p != NULL; p = p->next)
- send_diffs (context, p, log_fd, database, current_version);
- }
-
- for(p = slaves; ret && p != NULL; p = p->next) {
- if (p->flags & SLAVE_F_DEAD)
- continue;
- if (FD_ISSET(p->fd, &readset)) {
- --ret;
- if(process_msg (context, p, log_fd, database, current_version))
- slave_dead(p);
- }
- }
-
- if (ret && FD_ISSET(listen_fd, &readset)) {
- add_slave (context, keytab, &slaves, listen_fd);
- --ret;
- }
- write_stats(context, slaves, current_version);
- }
-
- return 0;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-12 01:50:52 +0000