)
fi
-dnl ======================================
-dnl collect all plugins for libstrongswan
-dnl ======================================
+dnl ==========================================================
+dnl collect all plugins for libstrongswan, libhydra and pluto
+dnl ==========================================================
libstrongswan_plugins=
+libhydra_plugins=
pluto_plugins=
if test x$test_vectors = xtrue; then
libstrongswan_plugins=${libstrongswan_plugins}" sqlite"
pluto_plugins=${pluto_plugins}" sqlite"
fi
-if test x$attr_sql = xtrue -o x$sql = xtrue; then
- libstrongswan_plugins=${libstrongswan_plugins}" attr-sql"
- pluto_plugins=${pluto_plugins}" attr-sql"
-fi
if test x$padlock = xtrue; then
libstrongswan_plugins=${libstrongswan_plugins}" padlock"
fi
libstrongswan_plugins=${libstrongswan_plugins}" gmp"
pluto_plugins=${pluto_plugins}" gmp"
fi
+if test x$attr_sql = xtrue -o x$sql = xtrue; then
+ libhydra_plugins=${libhydra_plugins}" attr-sql"
+ pluto_plugins=${pluto_plugins}" attr-sql"
+fi
AC_SUBST(libstrongswan_plugins)
+AC_SUBST(libhydra_plugins)
AC_SUBST(pluto_plugins)
dnl =========================
src/libstrongswan/plugins/ldap/Makefile
src/libstrongswan/plugins/mysql/Makefile
src/libstrongswan/plugins/sqlite/Makefile
- src/libstrongswan/plugins/attr_sql/Makefile
src/libstrongswan/plugins/padlock/Makefile
src/libstrongswan/plugins/openssl/Makefile
src/libstrongswan/plugins/gcrypt/Makefile
src/libstrongswan/plugins/agent/Makefile
src/libstrongswan/plugins/test_vectors/Makefile
src/libhydra/Makefile
+ src/libhydra/plugins/attr_sql/Makefile
src/libfreeswan/Makefile
src/libsimaka/Makefile
src/pluto/Makefile
SUBDIRS = .
endif
-PLUGINS = ${libstrongswan_plugins}
+PLUGINS = ${libstrongswan_plugins} ${libhydra_plugins}
if USE_LOAD_TESTER
SUBDIRS += plugins/load_tester
SUBDIRS = .
endif
-#if USE_FOO
-# SUBDIRS += plugins/foo
-#if MONOLITHIC
-# libhydra_la_LIBADD += plugins/foo/libstrongswan-foo.la
-#endif
-#endif
+if USE_ATTR_SQL
+ SUBDIRS += plugins/attr_sql
+if MONOLITHIC
+ libhydra_la_LIBADD += plugins/attr_sql/libstrongswan-attr-sql.la
+endif
+endif
--- /dev/null
+
+INCLUDES = -I$(top_srcdir)/src/libstrongswan
+
+AM_CFLAGS = \
+ -rdynamic \
+ -DPLUGINS=\""${libstrongswan_plugins}\""
+
+if MONOLITHIC
+noinst_LTLIBRARIES = libstrongswan-attr-sql.la
+else
+plugin_LTLIBRARIES = libstrongswan-attr-sql.la
+endif
+
+libstrongswan_attr_sql_la_SOURCES = \
+ attr_sql_plugin.h attr_sql_plugin.c \
+ sql_attribute.h sql_attribute.c
+
+libstrongswan_attr_sql_la_LDFLAGS = -module -avoid-version
+
+ipsec_PROGRAMS = pool
+pool_SOURCES = pool.c
+pool_LDADD = $(top_builddir)/src/libstrongswan/libstrongswan.la
--- /dev/null
+/*
+ * Copyright (C) 2008 Martin Willi
+ * Hochschule fuer Technik Rapperswil
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ */
+
+#include <library.h>
+#include <debug.h>
+
+#include "attr_sql_plugin.h"
+#include "sql_attribute.h"
+
+typedef struct private_attr_sql_plugin_t private_attr_sql_plugin_t;
+
+/**
+ * private data of attr_sql plugin
+ */
+struct private_attr_sql_plugin_t {
+
+ /**
+ * implements plugin interface
+ */
+ attr_sql_plugin_t public;
+
+ /**
+ * database connection instance
+ */
+ database_t *db;
+
+ /**
+ * configuration attributes
+ */
+ sql_attribute_t *attribute;
+
+};
+
+/**
+ * Implementation of plugin_t.destroy
+ */
+static void destroy(private_attr_sql_plugin_t *this)
+{
+ lib->attributes->remove_provider(lib->attributes, &this->attribute->provider);
+ this->attribute->destroy(this->attribute);
+ this->db->destroy(this->db);
+ free(this);
+}
+
+/*
+ * see header file
+ */
+plugin_t *attr_sql_plugin_create()
+{
+ char *uri;
+ private_attr_sql_plugin_t *this;
+
+ uri = lib->settings->get_str(lib->settings, "libstrongswan.plugins.attr-sql.database", NULL);
+ if (!uri)
+ {
+ DBG1("attr-sql plugin: database URI not set");
+ return NULL;
+ }
+
+ this = malloc_thing(private_attr_sql_plugin_t);
+
+ this->public.plugin.destroy = (void(*)(plugin_t*))destroy;
+
+ this->db = lib->db->create(lib->db, uri);
+ if (!this->db)
+ {
+ DBG1("attr-sql plugin failed to connect to database");
+ free(this);
+ return NULL;
+ }
+ this->attribute = sql_attribute_create(this->db);
+ lib->attributes->add_provider(lib->attributes, &this->attribute->provider);
+
+ return &this->public.plugin;
+}
+
--- /dev/null
+/*
+ * Copyright (C) 2008 Martin Willi
+ * Hochschule fuer Technik Rapperswil
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ */
+
+/**
+ * @defgroup attr_sql attr_sql
+ * @ingroup plugins
+ *
+ * @defgroup sql_plugin sql_plugin
+ * @{ @ingroup attr_sql
+ */
+
+#ifndef ATTR_SQL_PLUGIN_H_
+#define ATTR_SQL_PLUGIN_H_
+
+#include <plugins/plugin.h>
+
+typedef struct attr_sql_plugin_t attr_sql_plugin_t;
+
+/**
+ * SQL database attribute configuration plugin
+ */
+struct attr_sql_plugin_t {
+
+ /**
+ * implements plugin interface
+ */
+ plugin_t plugin;
+};
+
+#endif /** ATTR_SQL_PLUGIN_H_ @}*/
--- /dev/null
+/*
+ * Copyright (C) 2008 Martin Willi
+ * Hochschule fuer Technik Rapperswil
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ */
+
+#define _GNU_SOURCE
+#include <getopt.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <time.h>
+#include <string.h>
+#include <errno.h>
+
+#include <debug.h>
+#include <library.h>
+#include <utils/host.h>
+#include <utils/identification.h>
+#include <attributes/attributes.h>
+
+/**
+ * global database handle
+ */
+database_t *db;
+
+/**
+ * --start/--end/--server addresses of various subcommands
+ */
+host_t *start = NULL, *end = NULL, *server = NULL;
+
+/**
+ * whether --add should --replace an existing pool
+ */
+bool replace_pool = FALSE;
+
+/**
+ * forward declarations
+ */
+static void del(char *name);
+static void do_args(int argc, char *argv[]);
+
+/**
+ * nesting counter for database transaction functions
+ */
+int nested_transaction = 0;
+
+/**
+ * start a database transaction
+ */
+static void begin_transaction()
+{
+ if (db->get_driver(db) == DB_SQLITE)
+ {
+ if (!nested_transaction)
+ {
+ db->execute(db, NULL, "BEGIN EXCLUSIVE TRANSACTION");
+ }
+ ++nested_transaction;
+ }
+}
+
+/**
+ * commit a database transaction
+ */
+static void commit_transaction()
+{
+ if (db->get_driver(db) == DB_SQLITE)
+ {
+ --nested_transaction;
+ if (!nested_transaction)
+ {
+ db->execute(db, NULL, "END TRANSACTION");
+ }
+ }
+}
+
+/**
+ * Create or replace a pool by name
+ */
+static u_int create_pool(char *name, chunk_t start, chunk_t end, int timeout)
+{
+ enumerator_t *e;
+ int pool;
+
+ e = db->query(db, "SELECT id FROM pools WHERE name = ?",
+ DB_TEXT, name, DB_UINT);
+ if (e && e->enumerate(e, &pool))
+ {
+ if (replace_pool == FALSE)
+ {
+ fprintf(stderr, "pool '%s' exists.\n", name);
+ e->destroy(e);
+ exit(EXIT_FAILURE);
+ }
+ del(name);
+ }
+ DESTROY_IF(e);
+ if (db->execute(db, &pool,
+ "INSERT INTO pools (name, start, end, timeout) VALUES (?, ?, ?, ?)",
+ DB_TEXT, name, DB_BLOB, start, DB_BLOB, end,
+ DB_INT, timeout*3600) != 1)
+ {
+ fprintf(stderr, "creating pool failed.\n");
+ exit(EXIT_FAILURE);
+ }
+
+ return pool;
+}
+
+/**
+ * instead of a pool handle a DNS or NBNS attribute
+ */
+static bool is_attribute(char *name)
+{
+ return strcaseeq(name, "dns") || strcaseeq(name, "nbns") ||
+ strcaseeq(name, "wins");
+}
+
+/**
+ * determine configuration attribute type
+ */
+static configuration_attribute_type_t get_attribute_type(char *name, host_t* addr)
+{
+ if (strcaseeq(name, "dns"))
+ {
+ return (addr->get_family(addr) == AF_INET) ? INTERNAL_IP4_DNS :
+ INTERNAL_IP6_DNS;
+ }
+ else
+ {
+ return (addr->get_family(addr) == AF_INET) ? INTERNAL_IP4_NBNS :
+ INTERNAL_IP6_NBNS;
+ }
+}
+
+/**
+ * calculate the size of a pool using start and end address chunk
+ */
+static u_int get_pool_size(chunk_t start, chunk_t end)
+{
+ u_int *start_ptr, *end_ptr;
+
+ if (start.len < sizeof(u_int) || end.len < sizeof(u_int))
+ {
+ return 0;
+ }
+ start_ptr = (u_int*)(start.ptr + start.len - sizeof(u_int));
+ end_ptr = (u_int*)(end.ptr + end.len - sizeof(u_int));
+ return ntohl(*end_ptr) - ntohl(*start_ptr) + 1;
+}
+
+/**
+ * print usage info
+ */
+static void usage(void)
+{
+ printf("\
+Usage:\n\
+ ipsec pool --status|--add|--replace|--del|--resize|--purge [options]\n\
+ \n\
+ ipsec pool --status\n\
+ Show a list of installed pools with statistics.\n\
+ \n\
+ ipsec pool --add <name> --start <start> --end <end> [--timeout <timeout>]\n\
+ ipsec pool --replace <name> --start <start> --end <end> [--timeout <timeout>]\n\
+ Add a new pool to or replace an existing pool in the database.\n\
+ name: Name of the pool, as used in ipsec.conf rightsourceip=%%name\n\
+ start: Start address of the pool\n\
+ end: End address of the pool\n\
+ timeout: Lease time in hours, 0 for static leases\n\
+ \n\
+ ipsec pool --add <name> --addresses <file> [--timeout <timeout>]\n\
+ ipsec pool --replace <name> --addresses <file> [--timeout <timeout>]\n\
+ Add a new pool to or replace an existing pool in the database.\n\
+ name: Name of the pool, as used in ipsec.conf rightsourceip=%%name\n\
+ file: File newline separated addresses for the pool are read from.\n\
+ Optionally each address can be pre-assigned to a roadwarrior\n\
+ identity, e.g. 10.231.14.2=alice@strongswan.org.\n\
+ If a - (hyphen) is given instead of a file name, the addresses\n\
+ are read from STDIN. Reading addresses stops at the end of file\n\
+ or an empty line. Pools created with this command can not be\n\
+ resized.\n\
+ timeout: Lease time in hours, 0 for static leases\n\
+ \n\
+ ipsec pool --add dns|nbns|wins --server <server>\n\
+ Add a new DNS or NBNS server to the database.\n\
+ server: IP address of the name server\n\
+ \n\
+ ipsec pool --del <name>\n\
+ Delete a pool from the database.\n\
+ name: Name of the pool to delete\n\
+ \n\
+ ipsec pool --del dns|nbns|wins [--server <server>]\n\
+ Delete a specific or all DNS or NBNS servers from the database.\n\
+ server: IP address of the name server to delete\n\
+ \n\
+ ipsec pool --resize <name> --end <end>\n\
+ Grow or shrink an existing pool.\n\
+ name: Name of the pool to resize\n\
+ end: New end address for the pool\n\
+ \n\
+ ipsec pool --leases [--filter <filter>] [--utc]\n\
+ Show lease information using filters:\n\
+ filter: Filter string containing comma separated key=value filters,\n\
+ e.g. id=alice@strongswan.org,addr=1.1.1.1\n\
+ pool: name of the pool\n\
+ id: assigned identity of the lease\n\
+ addr: lease IP address\n\
+ tstamp: UNIX timestamp when lease was valid, as integer\n\
+ status: status of the lease: online|valid|expired\n\
+ utc: Show times in UTC instead of local time\n\
+ \n\
+ ipsec pool --purge <name>\n\
+ Delete lease history of a pool:\n\
+ name: Name of the pool to purge\n\
+ \n\
+ ipsec pool --batch <file>\n\
+ Read commands from a file and execute them atomically.\n\
+ file: File to read the newline separated commands from. Commands\n\
+ appear as they are written on the command line, e.g.\n\
+ --replace mypool --start 10.0.0.1 --end 10.0.0.254\n\
+ --del dns\n\
+ --add dns --server 10.1.0.1\n\
+ --add dns --server 10.1.1.1\n\
+ If a - (hyphen) is given as a file name, the commands are read\n\
+ from STDIN. Readin commands stops at the end of file. Empty\n\
+ lines are ignored. The file may not contain a --batch command.\n\
+ \n");
+}
+
+/**
+ * ipsec pool --status - show pool overview
+ */
+static void status(void)
+{
+ enumerator_t *ns, *pool, *lease;
+ host_t *server;
+ chunk_t value;
+ bool found = FALSE;
+
+ /* enumerate IPv4 DNS servers */
+ ns = db->query(db, "SELECT value FROM attributes WHERE type = ?",
+ DB_INT, INTERNAL_IP4_DNS, DB_BLOB);
+ if (ns)
+ {
+ while (ns->enumerate(ns, &value))
+ {
+ if (!found)
+ {
+ printf("dns servers:");
+ found = TRUE;
+ }
+ server = host_create_from_chunk(AF_INET, value, 0);
+ if (server)
+ {
+ printf(" %H", server);
+ server->destroy(server);
+ }
+ }
+ ns->destroy(ns);
+ }
+
+ /* enumerate IPv6 DNS servers */
+ ns = db->query(db, "SELECT value FROM attributes WHERE type = ?",
+ DB_INT, INTERNAL_IP6_DNS, DB_BLOB);
+ if (ns)
+ {
+ while (ns->enumerate(ns, &value))
+ {
+ if (!found)
+ {
+ printf("dns servers:");
+ found = TRUE;
+ }
+ server = host_create_from_chunk(AF_INET6, value, 0);
+ if (server)
+ {
+ printf(" %H", server);
+ server->destroy(server);
+ }
+ }
+ ns->destroy(ns);
+ }
+ if (found)
+ {
+ printf("\n");
+ }
+ else
+ {
+ printf("no dns servers found.\n");
+ }
+ found = FALSE;
+
+ /* enumerate IPv4 NBNS servers */
+ ns = db->query(db, "SELECT value FROM attributes WHERE type = ?",
+ DB_INT, INTERNAL_IP4_NBNS, DB_BLOB);
+ if (ns)
+ {
+ while (ns->enumerate(ns, &value))
+ {
+ if (!found)
+ {
+ printf("nbns servers:");
+ found = TRUE;
+ }
+ server = host_create_from_chunk(AF_INET, value, 0);
+ if (server)
+ {
+ printf(" %H", server);
+ server->destroy(server);
+ }
+ }
+ ns->destroy(ns);
+ }
+
+ /* enumerate IPv6 NBNS servers */
+ ns = db->query(db, "SELECT value FROM attributes WHERE type = ?",
+ DB_INT, INTERNAL_IP6_NBNS, DB_BLOB);
+ if (ns)
+ {
+ while (ns->enumerate(ns, &value))
+ {
+ if (!found)
+ {
+ printf("nbns servers:");
+ found = TRUE;
+ }
+ server = host_create_from_chunk(AF_INET6, value, 0);
+ if (server)
+ {
+ printf(" %H", server);
+ server->destroy(server);
+ }
+ }
+ ns->destroy(ns);
+ }
+ if (found)
+ {
+ printf("\n");
+ }
+ else
+ {
+ printf("no nbns servers found.\n");
+ }
+ found = FALSE;
+
+ pool = db->query(db, "SELECT id, name, start, end, timeout FROM pools",
+ DB_INT, DB_TEXT, DB_BLOB, DB_BLOB, DB_UINT);
+ if (pool)
+ {
+ char *name;
+ chunk_t start_chunk, end_chunk;
+ host_t *start, *end;
+ u_int id, timeout, online = 0, used = 0, size = 0;
+
+ while (pool->enumerate(pool, &id, &name,
+ &start_chunk, &end_chunk, &timeout))
+ {
+ if (!found)
+ {
+ printf("%8s %15s %15s %8s %6s %11s %11s\n", "name", "start",
+ "end", "timeout", "size", "online", "usage");
+ found = TRUE;
+ }
+
+ start = host_create_from_chunk(AF_UNSPEC, start_chunk, 0);
+ end = host_create_from_chunk(AF_UNSPEC, end_chunk, 0);
+ if (start->is_anyaddr(start) && end->is_anyaddr(end))
+ {
+ printf("%8s %15s %15s ", name, "n/a", "n/a");
+ }
+ else
+ {
+ printf("%8s %15H %15H ", name, start, end);
+ }
+ if (timeout)
+ {
+ printf("%7dh ", timeout/3600);
+ }
+ else
+ {
+ printf("%8s ", "static");
+ }
+ /* get total number of hosts in the pool */
+ lease = db->query(db, "SELECT COUNT(*) FROM addresses "
+ "WHERE pool = ?", DB_UINT, id, DB_INT);
+ if (lease)
+ {
+ lease->enumerate(lease, &size);
+ lease->destroy(lease);
+ }
+ printf("%6d ", size);
+ /* get number of online hosts */
+ lease = db->query(db, "SELECT COUNT(*) FROM addresses "
+ "WHERE pool = ? AND released = 0",
+ DB_UINT, id, DB_INT);
+ if (lease)
+ {
+ lease->enumerate(lease, &online);
+ lease->destroy(lease);
+ }
+ printf("%5d (%2d%%) ", online, online*100/size);
+ /* get number of online or valid lieases */
+ lease = db->query(db, "SELECT COUNT(*) FROM addresses "
+ "WHERE addresses.pool = ? "
+ "AND ((? AND acquired != 0) "
+ " OR released = 0 OR released > ?) ",
+ DB_UINT, id, DB_UINT, !timeout,
+ DB_UINT, time(NULL) - timeout, DB_UINT);
+ if (lease)
+ {
+ lease->enumerate(lease, &used);
+ lease->destroy(lease);
+ }
+ printf("%5d (%2d%%) ", used, used*100/size);
+
+ printf("\n");
+ DESTROY_IF(start);
+ DESTROY_IF(end);
+ }
+ pool->destroy(pool);
+ }
+ if (!found)
+ {
+ printf("no pools found.\n");
+ }
+}
+
+/**
+ * ipsec pool --add - add a new pool
+ */
+static void add(char *name, host_t *start, host_t *end, int timeout)
+{
+ chunk_t start_addr, end_addr, cur_addr;
+ u_int id, count;
+
+ start_addr = start->get_address(start);
+ end_addr = end->get_address(end);
+ cur_addr = chunk_clonea(start_addr);
+ count = get_pool_size(start_addr, end_addr);
+
+ if (start_addr.len != end_addr.len ||
+ memcmp(start_addr.ptr, end_addr.ptr, start_addr.len) > 0)
+ {
+ fprintf(stderr, "invalid start/end pair specified.\n");
+ exit(EXIT_FAILURE);
+ }
+ id = create_pool(name, start_addr, end_addr, timeout);
+ printf("allocating %d addresses... ", count);
+ fflush(stdout);
+ /* run population in a transaction for sqlite */
+ begin_transaction();
+ while (TRUE)
+ {
+ db->execute(db, NULL,
+ "INSERT INTO addresses (pool, address, identity, acquired, released) "
+ "VALUES (?, ?, ?, ?, ?)",
+ DB_UINT, id, DB_BLOB, cur_addr, DB_UINT, 0, DB_UINT, 0, DB_UINT, 1);
+ if (chunk_equals(cur_addr, end_addr))
+ {
+ break;
+ }
+ chunk_increment(cur_addr);
+ }
+ commit_transaction();
+ printf("done.\n", count);
+}
+
+static bool add_address(u_int pool_id, char *address_str, int *family)
+{
+ host_t *address;
+ int user_id = 0;
+
+ char *pos_eq = strchr(address_str, '=');
+ if (pos_eq != NULL)
+ {
+ enumerator_t *e;
+ identification_t *id = identification_create_from_string(pos_eq + 1);
+
+ /* look for peer identity in the identities table */
+ e = db->query(db,
+ "SELECT id FROM identities WHERE type = ? AND data = ?",
+ DB_INT, id->get_type(id), DB_BLOB, id->get_encoding(id),
+ DB_UINT);
+
+ if (!e || !e->enumerate(e, &user_id))
+ {
+ /* not found, insert new one */
+ if (db->execute(db, &user_id,
+ "INSERT INTO identities (type, data) VALUES (?, ?)",
+ DB_INT, id->get_type(id),
+ DB_BLOB, id->get_encoding(id)) != 1)
+ {
+ fprintf(stderr, "creating id '%s' failed.\n", pos_eq + 1);
+ return FALSE;
+ }
+ }
+ DESTROY_IF(e);
+ id->destroy(id);
+ *pos_eq = '\0';
+ }
+
+ address = host_create_from_string(address_str, 0);
+ if (address == NULL)
+ {
+ fprintf(stderr, "invalid address '%s'.\n", address_str);
+ return FALSE;
+ }
+ if (family && *family && *family != address->get_family(address))
+ {
+ fprintf(stderr, "invalid address family '%s'.\n", address_str);
+ return FALSE;
+ }
+
+ if (db->execute(db, NULL,
+ "INSERT INTO addresses "
+ "(pool, address, identity, acquired, released) "
+ "VALUES (?, ?, ?, ?, ?)",
+ DB_UINT, pool_id, DB_BLOB, address->get_address(address),
+ DB_UINT, user_id, DB_UINT, 0, DB_UINT, 1) != 1)
+ {
+ fprintf(stderr, "inserting address '%s' failed.\n", address_str);
+ return FALSE;
+ }
+ *family = address->get_family(address);
+ address->destroy(address);
+
+ return TRUE;
+}
+
+static void add_addresses(char *pool, char *path, int timeout)
+{
+ u_int pool_id, count = 0;
+ int family = AF_UNSPEC;
+ char address_str[512];
+ host_t *addr;
+ FILE *file;
+
+ /* run population in a transaction for sqlite */
+ begin_transaction();
+
+ addr = host_create_from_string("%any", 0);
+ pool_id = create_pool(pool, addr->get_address(addr),
+ addr->get_address(addr), timeout);
+ addr->destroy(addr);
+
+ file = (strcmp(path, "-") == 0 ? stdin : fopen(path, "r"));
+ if (file == NULL)
+ {
+ fprintf(stderr, "opening '%s' failed: %s\n", path, strerror(errno));
+ exit(-1);
+ }
+
+ printf("starting allocation... ");
+ fflush(stdout);
+
+ while (fgets(address_str, sizeof(address_str), file))
+ {
+ size_t addr_len = strlen(address_str);
+ char *last_chr = address_str + addr_len - 1;
+ if (*last_chr == '\n')
+ {
+ if (addr_len == 1)
+ { /* end of input */
+ break;
+ }
+ *last_chr = '\0';
+ }
+ if (add_address(pool_id, address_str, &family) == FALSE)
+ {
+ exit(EXIT_FAILURE);
+ }
+ ++count;
+ }
+
+ if (file != stdin)
+ {
+ fclose(file);
+ }
+
+ commit_transaction();
+
+ printf("%d addresses done.\n", count);
+}
+
+/**
+ * ipsec pool --add dns|nbns|wins - add a DNS or NBNS server entry
+ */
+static void add_attr(char *name, host_t *server)
+{
+ configuration_attribute_type_t type;
+ chunk_t value;
+
+ type = get_attribute_type(name, server);
+ value = server->get_address(server);
+ if (db->execute(db, NULL,
+ "INSERT INTO attributes (type, value) VALUES (?, ?)",
+ DB_INT, type, DB_BLOB, value) != 1)
+ {
+ fprintf(stderr, "adding %s server %H failed.\n", name, server);
+ exit(EXIT_FAILURE);
+ }
+ printf("added %s server %H\n", name, server);
+}
+
+/**
+ * ipsec pool --del - delete a pool
+ */
+static void del(char *name)
+{
+ enumerator_t *query;
+ u_int id;
+ bool found = FALSE;
+
+ query = db->query(db, "SELECT id FROM pools WHERE name = ?",
+ DB_TEXT, name, DB_UINT);
+ if (!query)
+ {
+ fprintf(stderr, "deleting pool failed.\n");
+ exit(EXIT_FAILURE);
+ }
+ while (query->enumerate(query, &id))
+ {
+ found = TRUE;
+ if (db->execute(db, NULL,
+ "DELETE FROM leases WHERE address IN ("
+ " SELECT id FROM addresses WHERE pool = ?)", DB_UINT, id) < 0 ||
+ db->execute(db, NULL,
+ "DELETE FROM addresses WHERE pool = ?", DB_UINT, id) < 0 ||
+ db->execute(db, NULL,
+ "DELETE FROM pools WHERE id = ?", DB_UINT, id) < 0)
+ {
+ fprintf(stderr, "deleting pool failed.\n");
+ query->destroy(query);
+ exit(EXIT_FAILURE);
+ }
+ }
+ query->destroy(query);
+ if (!found)
+ {
+ fprintf(stderr, "pool '%s' not found.\n", name);
+ exit(EXIT_FAILURE);
+ }
+}
+
+/**
+ * ipsec pool --del dns|nbns|wins - delete a DNS or NBNS server entry
+ */
+static void del_attr(char *name, host_t *server)
+{
+ configuration_attribute_type_t type;
+ chunk_t value;
+ u_int id;
+ enumerator_t *query;
+ bool found = FALSE;
+
+ if (server)
+ {
+ type = get_attribute_type(name, server);
+ value = server->get_address(server);
+ query = db->query(db,
+ "SELECT id, type, value FROM attributes "
+ "WHERE type = ? AND value = ?",
+ DB_INT, type, DB_BLOB, value,
+ DB_UINT, DB_INT, DB_BLOB);
+ }
+ else
+ {
+ configuration_attribute_type_t type_ip4, type_ip6;
+
+ if (strcaseeq(name, "dns"))
+ {
+ type_ip4 = INTERNAL_IP4_DNS;
+ type_ip6 = INTERNAL_IP6_DNS;
+ }
+ else
+ {
+ type_ip4 = INTERNAL_IP4_NBNS;
+ type_ip6 = INTERNAL_IP6_NBNS;
+ }
+
+ query = db->query(db,
+ "SELECT id, type, value FROM attributes "
+ "WHERE type = ? OR type = ?",
+ DB_INT, type_ip4, DB_INT, type_ip6,
+ DB_UINT, DB_INT, DB_BLOB);
+ }
+ if (!query)
+ {
+ fprintf(stderr, "deleting %s servers failed.\n", name);
+ exit(EXIT_FAILURE);
+ }
+
+ while (query->enumerate(query, &id, &type, &value))
+ {
+ int family;
+ host_t *host;
+
+ found = TRUE;
+ family = (type == INTERNAL_IP4_DNS || type == INTERNAL_IP4_NBNS) ?
+ AF_INET : AF_INET6;
+ host = host_create_from_chunk(family, value, 0);
+ if (db->execute(db, NULL,
+ "DELETE FROM attributes WHERE id = ?",
+ DB_UINT, id) != 1)
+ {
+ fprintf(stderr, "deleting %s server %H failed\n", name, host);
+ query->destroy(query);
+ DESTROY_IF(host);
+ exit(EXIT_FAILURE);
+ }
+ printf("deleted %s server %H\n", name, host);
+ DESTROY_IF(host);
+ }
+ query->destroy(query);
+
+ if (!found && server)
+ {
+ printf("%s server %H not found\n", name, server);
+ exit(EXIT_FAILURE);
+ }
+ else if (!found)
+ {
+ printf("no %s servers found\n", name);
+ }
+}
+
+/**
+ * ipsec pool --resize - resize a pool
+ */
+static void resize(char *name, host_t *end)
+{
+ enumerator_t *query;
+ chunk_t old_addr, new_addr, cur_addr;
+ u_int id, count;
+ host_t *old_end;
+
+ new_addr = end->get_address(end);
+
+ query = db->query(db, "SELECT id, end FROM pools WHERE name = ?",
+ DB_TEXT, name, DB_UINT, DB_BLOB);
+ if (!query || !query->enumerate(query, &id, &old_addr))
+ {
+ DESTROY_IF(query);
+ fprintf(stderr, "resizing pool failed.\n");
+ exit(EXIT_FAILURE);
+ }
+ if (old_addr.len != new_addr.len ||
+ memcmp(new_addr.ptr, old_addr.ptr, old_addr.len) < 0)
+ {
+ fprintf(stderr, "shrinking of pools not supported.\n");
+ query->destroy(query);
+ exit(EXIT_FAILURE);
+ }
+ cur_addr = chunk_clonea(old_addr);
+ count = get_pool_size(old_addr, new_addr) - 1;
+ query->destroy(query);
+
+ /* Check whether pool is resizable */
+ old_end = host_create_from_chunk(AF_UNSPEC, old_addr, 0);
+ if (old_end && old_end->is_anyaddr(old_end))
+ {
+ fprintf(stderr, "pool is not resizable.\n");
+ old_end->destroy(old_end);
+ exit(EXIT_FAILURE);
+ }
+ DESTROY_IF(old_end);
+
+ if (db->execute(db, NULL,
+ "UPDATE pools SET end = ? WHERE name = ?",
+ DB_BLOB, new_addr, DB_TEXT, name) <= 0)
+ {
+ fprintf(stderr, "pool '%s' not found.\n", name);
+ exit(EXIT_FAILURE);
+ }
+
+ printf("allocating %d new addresses... ", count);
+ fflush(stdout);
+ /* run population in a transaction for sqlite */
+ begin_transaction();
+ while (count-- > 0)
+ {
+ chunk_increment(cur_addr);
+ db->execute(db, NULL,
+ "INSERT INTO addresses (pool, address, identity, acquired, released) "
+ "VALUES (?, ?, ?, ?, ?)",
+ DB_UINT, id, DB_BLOB, cur_addr, DB_UINT, 0, DB_UINT, 0, DB_UINT, 1);
+ }
+ commit_transaction();
+ printf("done.\n", count);
+
+}
+
+/**
+ * create the lease query using the filter string
+ */
+static enumerator_t *create_lease_query(char *filter)
+{
+ enumerator_t *query;
+ identification_t *id = NULL;
+ host_t *addr = NULL;
+ u_int tstamp = 0;
+ bool online = FALSE, valid = FALSE, expired = FALSE;
+ char *value, *pos, *pool = NULL;
+ enum {
+ FIL_POOL = 0,
+ FIL_ID,
+ FIL_ADDR,
+ FIL_TSTAMP,
+ FIL_STATE,
+ };
+ char *const token[] = {
+ [FIL_POOL] = "pool",
+ [FIL_ID] = "id",
+ [FIL_ADDR] = "addr",
+ [FIL_TSTAMP] = "tstamp",
+ [FIL_STATE] = "status",
+ NULL
+ };
+
+ /* if the filter string contains a distinguished name as a ID, we replace
+ * ", " by "/ " in order to not confuse the getsubopt parser */
+ pos = filter;
+ while ((pos = strchr(pos, ',')))
+ {
+ if (pos[1] == ' ')
+ {
+ pos[0] = '/';
+ }
+ pos++;
+ }
+
+ while (filter && *filter != '\0')
+ {
+ switch (getsubopt(&filter, token, &value))
+ {
+ case FIL_POOL:
+ if (value)
+ {
+ pool = value;
+ }
+ break;
+ case FIL_ID:
+ if (value)
+ {
+ id = identification_create_from_string(value);
+ }
+ break;
+ case FIL_ADDR:
+ if (value)
+ {
+ addr = host_create_from_string(value, 0);
+ }
+ if (!addr)
+ {
+ fprintf(stderr, "invalid 'addr' in filter string.\n");
+ exit(EXIT_FAILURE);
+ }
+ break;
+ case FIL_TSTAMP:
+ if (value)
+ {
+ tstamp = atoi(value);
+ }
+ if (tstamp == 0)
+ {
+ online = TRUE;
+ }
+ break;
+ case FIL_STATE:
+ if (value)
+ {
+ if (streq(value, "online"))
+ {
+ online = TRUE;
+ }
+ else if (streq(value, "valid"))
+ {
+ valid = TRUE;
+ }
+ else if (streq(value, "expired"))
+ {
+ expired = TRUE;
+ }
+ else
+ {
+ fprintf(stderr, "invalid 'state' in filter string.\n");
+ exit(EXIT_FAILURE);
+ }
+ }
+ break;
+ default:
+ fprintf(stderr, "invalid filter string.\n");
+ exit(EXIT_FAILURE);
+ break;
+ }
+ }
+ query = db->query(db,
+ "SELECT name, addresses.address, identities.type, "
+ "identities.data, leases.acquired, leases.released, timeout "
+ "FROM leases JOIN addresses ON leases.address = addresses.id "
+ "JOIN pools ON addresses.pool = pools.id "
+ "JOIN identities ON leases.identity = identities.id "
+ "WHERE (? OR name = ?) "
+ "AND (? OR (identities.type = ? AND identities.data = ?)) "
+ "AND (? OR addresses.address = ?) "
+ "AND (? OR (? >= leases.acquired AND (? <= leases.released))) "
+ "AND (? OR leases.released > ? - timeout) "
+ "AND (? OR leases.released < ? - timeout) "
+ "AND ? "
+ "UNION "
+ "SELECT name, address, identities.type, identities.data, "
+ "acquired, released, timeout FROM addresses "
+ "JOIN pools ON addresses.pool = pools.id "
+ "JOIN identities ON addresses.identity = identities.id "
+ "WHERE ? AND released = 0 "
+ "AND (? OR name = ?) "
+ "AND (? OR (identities.type = ? AND identities.data = ?)) "
+ "AND (? OR address = ?)",
+ DB_INT, pool == NULL, DB_TEXT, pool,
+ DB_INT, id == NULL,
+ DB_INT, id ? id->get_type(id) : 0,
+ DB_BLOB, id ? id->get_encoding(id) : chunk_empty,
+ DB_INT, addr == NULL,
+ DB_BLOB, addr ? addr->get_address(addr) : chunk_empty,
+ DB_INT, tstamp == 0, DB_UINT, tstamp, DB_UINT, tstamp,
+ DB_INT, !valid, DB_INT, time(NULL),
+ DB_INT, !expired, DB_INT, time(NULL),
+ DB_INT, !online,
+ /* union */
+ DB_INT, !(valid || expired),
+ DB_INT, pool == NULL, DB_TEXT, pool,
+ DB_INT, id == NULL,
+ DB_INT, id ? id->get_type(id) : 0,
+ DB_BLOB, id ? id->get_encoding(id) : chunk_empty,
+ DB_INT, addr == NULL,
+ DB_BLOB, addr ? addr->get_address(addr) : chunk_empty,
+ /* res */
+ DB_TEXT, DB_BLOB, DB_INT, DB_BLOB, DB_UINT, DB_UINT, DB_UINT);
+ /* id and addr leak but we can't destroy them until query is destroyed. */
+ return query;
+}
+
+/**
+ * ipsec pool --leases - show lease information of a pool
+ */
+static void leases(char *filter, bool utc)
+{
+ enumerator_t *query;
+ chunk_t address_chunk, identity_chunk;
+ int identity_type;
+ char *name;
+ u_int db_acquired, db_released, db_timeout;
+ time_t acquired, released, timeout;
+ host_t *address;
+ identification_t *identity;
+ bool found = FALSE;
+
+ query = create_lease_query(filter);
+ if (!query)
+ {
+ fprintf(stderr, "querying leases failed.\n");
+ exit(EXIT_FAILURE);
+ }
+ while (query->enumerate(query, &name, &address_chunk, &identity_type,
+ &identity_chunk, &db_acquired, &db_released, &db_timeout))
+ {
+ if (!found)
+ {
+ int len = utc ? 25 : 21;
+
+ found = TRUE;
+ printf("%-8s %-15s %-7s %-*s %-*s %s\n",
+ "name", "address", "status", len, "start", len, "end", "identity");
+ }
+ address = host_create_from_chunk(AF_UNSPEC, address_chunk, 0);
+ identity = identification_create_from_encoding(identity_type, identity_chunk);
+
+ /* u_int is not always equal to time_t */
+ acquired = (time_t)db_acquired;
+ released = (time_t)db_released;
+ timeout = (time_t)db_timeout;
+
+ printf("%-8s %-15H ", name, address);
+ if (released == 0)
+ {
+ printf("%-7s ", "online");
+ }
+ else if (timeout == 0)
+ {
+ printf("%-7s ", "static");
+ }
+ else if (released >= time(NULL) - timeout)
+ {
+ printf("%-7s ", "valid");
+ }
+ else
+ {
+ printf("%-7s ", "expired");
+ }
+
+ printf(" %T ", &acquired, utc);
+ if (released)
+ {
+ printf("%T ", &released, utc);
+ }
+ else
+ {
+ printf(" ");
+ if (utc)
+ {
+ printf(" ");
+ }
+ }
+ printf("%Y\n", identity);
+ DESTROY_IF(address);
+ identity->destroy(identity);
+ }
+ query->destroy(query);
+ if (!found)
+ {
+ fprintf(stderr, "no matching leases found.\n");
+ exit(EXIT_FAILURE);
+ }
+}
+
+/**
+ * ipsec pool --purge - delete expired leases
+ */
+static void purge(char *name)
+{
+ int purged = 0;
+
+ purged = db->execute(db, NULL,
+ "DELETE FROM leases WHERE address IN ("
+ " SELECT id FROM addresses WHERE pool IN ("
+ " SELECT id FROM pools WHERE name = ?))",
+ DB_TEXT, name);
+ if (purged < 0)
+ {
+ fprintf(stderr, "purging pool '%s' failed.\n", name);
+ exit(EXIT_FAILURE);
+ }
+ fprintf(stderr, "purged %d leases in pool '%s'.\n", purged, name);
+}
+
+#define ARGV_SIZE 32
+
+static void argv_add(char **argv, int argc, char *value)
+{
+ if (argc >= ARGV_SIZE)
+ {
+ fprintf(stderr, "too many arguments: %s\n", value);
+ exit(EXIT_FAILURE);
+ }
+ argv[argc] = value;
+}
+
+/**
+ * ipsec pool --batch - read commands from a file
+ */
+static void batch(char *argv0, char *name)
+{
+ char command[512];
+
+ FILE *file = strncmp(name, "-", 1) == 0 ? stdin : fopen(name, "r");
+ if (file == NULL)
+ {
+ fprintf(stderr, "opening '%s' failed: %s\n", name, strerror(errno));
+ exit(EXIT_FAILURE);
+ }
+
+ begin_transaction();
+ while (fgets(command, sizeof(command), file))
+ {
+ char *argv[ARGV_SIZE], *start;
+ int i, argc = 0;
+ size_t cmd_len = strlen(command);
+
+ /* ignore empty lines */
+ if (cmd_len == 1 && *(command + cmd_len - 1) == '\n')
+ {
+ continue;
+ }
+
+ /* parse command into argv */
+ start = command;
+ argv_add(argv, argc++, argv0);
+ for (i = 0; i < cmd_len; ++i)
+ {
+ if (command[i] == ' ' || command[i] == '\n')
+ {
+ if (command + i == start)
+ {
+ /* ignore leading whitespace */
+ ++start;
+ continue;
+ }
+ command[i] = '\0';
+ argv_add(argv, argc++, start);
+ start = command + i + 1;
+ }
+ }
+ if (strlen(start) > 0)
+ {
+ argv_add(argv, argc++, start);
+ }
+ argv_add(argv, argc, NULL);
+
+ do_args(argc, argv);
+ }
+ commit_transaction();
+
+ if (file != stdin)
+ {
+ fclose(file);
+ }
+}
+
+/**
+ * atexit handler to close db on shutdown
+ */
+static void cleanup(void)
+{
+ db->destroy(db);
+ DESTROY_IF(start);
+ DESTROY_IF(end);
+ DESTROY_IF(server);
+}
+
+static void do_args(int argc, char *argv[])
+{
+ char *name = "", *filter = "", *addresses = NULL;
+ int timeout = 0;
+ bool utc = FALSE;
+ enum {
+ OP_UNDEF,
+ OP_USAGE,
+ OP_STATUS,
+ OP_ADD,
+ OP_ADD_ATTR,
+ OP_DEL,
+ OP_DEL_ATTR,
+ OP_RESIZE,
+ OP_LEASES,
+ OP_PURGE,
+ OP_BATCH
+ } operation = OP_UNDEF;
+
+ /* reinit getopt state */
+ optind = 0;
+
+ while (TRUE)
+ {
+ int c;
+
+ struct option long_opts[] = {
+ { "help", no_argument, NULL, 'h' },
+
+ { "utc", no_argument, NULL, 'u' },
+ { "status", no_argument, NULL, 'w' },
+ { "add", required_argument, NULL, 'a' },
+ { "replace", required_argument, NULL, 'c' },
+ { "del", required_argument, NULL, 'd' },
+ { "resize", required_argument, NULL, 'r' },
+ { "leases", no_argument, NULL, 'l' },
+ { "purge", required_argument, NULL, 'p' },
+ { "batch", required_argument, NULL, 'b' },
+
+ { "start", required_argument, NULL, 's' },
+ { "end", required_argument, NULL, 'e' },
+ { "addresses", required_argument, NULL, 'x' },
+ { "timeout", required_argument, NULL, 't' },
+ { "filter", required_argument, NULL, 'f' },
+ { "server", required_argument, NULL, 'v' },
+ { 0,0,0,0 }
+ };
+
+ c = getopt_long(argc, argv, "", long_opts, NULL);
+ switch (c)
+ {
+ case EOF:
+ break;
+ case 'h':
+ operation = OP_USAGE;
+ break;
+ case 'w':
+ operation = OP_STATUS;
+ break;
+ case 'u':
+ utc = TRUE;
+ continue;
+ case 'c':
+ replace_pool = TRUE;
+ /* fallthrough */
+ case 'a':
+ name = optarg;
+ operation = is_attribute(name) ? OP_ADD_ATTR : OP_ADD;
+ if (replace_pool && operation == OP_ADD_ATTR)
+ {
+ fprintf(stderr, "invalid pool name: '%s'.\n", optarg);
+ usage();
+ exit(EXIT_FAILURE);
+ }
+ continue;
+ case 'd':
+ name = optarg;
+ operation = is_attribute(name) ? OP_DEL_ATTR : OP_DEL;
+ continue;
+ case 'r':
+ name = optarg;
+ operation = OP_RESIZE;
+ continue;
+ case 'l':
+ operation = OP_LEASES;
+ continue;
+ case 'p':
+ name = optarg;
+ operation = OP_PURGE;
+ continue;
+ case 'b':
+ name = optarg;
+ if (operation == OP_BATCH)
+ {
+ fprintf(stderr, "--batch commands can not be nested\n");
+ exit(EXIT_FAILURE);
+ }
+ operation = OP_BATCH;
+ continue;
+ case 's':
+ DESTROY_IF(start);
+ start = host_create_from_string(optarg, 0);
+ if (start == NULL)
+ {
+ fprintf(stderr, "invalid start address: '%s'.\n", optarg);
+ usage();
+ exit(EXIT_FAILURE);
+ }
+ continue;
+ case 'e':
+ DESTROY_IF(end);
+ end = host_create_from_string(optarg, 0);
+ if (end == NULL)
+ {
+ fprintf(stderr, "invalid end address: '%s'.\n", optarg);
+ usage();
+ exit(EXIT_FAILURE);
+ }
+ continue;
+ case 't':
+ timeout = atoi(optarg);
+ if (timeout == 0 && strcmp(optarg, "0") != 0)
+ {
+ fprintf(stderr, "invalid timeout '%s'.\n", optarg);
+ usage();
+ exit(EXIT_FAILURE);
+ }
+ continue;
+ case 'f':
+ filter = optarg;
+ continue;
+ case 'x':
+ addresses = optarg;
+ continue;
+ case 'v':
+ DESTROY_IF(server);
+ server = host_create_from_string(optarg, 0);
+ if (server == NULL)
+ {
+ fprintf(stderr, "invalid server address: '%s'.\n", optarg);
+ usage();
+ exit(EXIT_FAILURE);
+ }
+ continue;
+ default:
+ usage();
+ exit(EXIT_FAILURE);
+ break;
+ }
+ break;
+ }
+
+ switch (operation)
+ {
+ case OP_USAGE:
+ usage();
+ break;
+ case OP_STATUS:
+ status();
+ break;
+ case OP_ADD:
+ if (addresses != NULL)
+ {
+ add_addresses(name, addresses, timeout);
+ }
+ else if (start != NULL && end != NULL)
+ {
+ add(name, start, end, timeout);
+ }
+ else
+ {
+ fprintf(stderr, "missing arguments.\n");
+ usage();
+ exit(EXIT_FAILURE);
+ }
+ break;
+ case OP_ADD_ATTR:
+ if (server == NULL)
+ {
+ fprintf(stderr, "missing arguments.\n");
+ usage();
+ exit(EXIT_FAILURE);
+ }
+ add_attr(name, server);
+ break;
+ case OP_DEL:
+ del(name);
+ break;
+ case OP_DEL_ATTR:
+ del_attr(name, server);
+ break;
+ case OP_RESIZE:
+ if (end == NULL)
+ {
+ fprintf(stderr, "missing arguments.\n");
+ usage();
+ exit(EXIT_FAILURE);
+ }
+ resize(name, end);
+ break;
+ case OP_LEASES:
+ leases(filter, utc);
+ break;
+ case OP_PURGE:
+ purge(name);
+ break;
+ case OP_BATCH:
+ if (name == NULL)
+ {
+ fprintf(stderr, "missing arguments.\n");
+ usage();
+ exit(EXIT_FAILURE);
+ }
+ batch(argv[0], name);
+ break;
+ default:
+ usage();
+ exit(EXIT_FAILURE);
+ }
+}
+
+int main(int argc, char *argv[])
+{
+ char *uri;
+
+ atexit(library_deinit);
+
+ /* initialize library */
+ if (!library_init(NULL))
+ {
+ exit(SS_RC_LIBSTRONGSWAN_INTEGRITY);
+ }
+ if (lib->integrity &&
+ !lib->integrity->check_file(lib->integrity, "pool", argv[0]))
+ {
+ fprintf(stderr, "integrity check of pool failed\n");
+ exit(SS_RC_DAEMON_INTEGRITY);
+ }
+ if (!lib->plugins->load(lib->plugins, NULL,
+ lib->settings->get_str(lib->settings, "pool.load", PLUGINS)))
+ {
+ exit(SS_RC_INITIALIZATION_FAILED);
+ }
+
+ uri = lib->settings->get_str(lib->settings, "libstrongswan.plugins.attr-sql.database", NULL);
+ if (!uri)
+ {
+ fprintf(stderr, "database URI libstrongswan.plugins.attr-sql.database not set.\n");
+ exit(SS_RC_INITIALIZATION_FAILED);
+ }
+ db = lib->db->create(lib->db, uri);
+ if (!db)
+ {
+ fprintf(stderr, "opening database failed.\n");
+ exit(SS_RC_INITIALIZATION_FAILED);
+ }
+ atexit(cleanup);
+
+ do_args(argc, argv);
+
+ exit(EXIT_SUCCESS);
+}
+
--- /dev/null
+/*
+ * Copyright (C) 2008 Martin Willi
+ * Hochschule fuer Technik Rapperswil
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ */
+
+#include <time.h>
+
+#include <debug.h>
+#include <library.h>
+
+#include "sql_attribute.h"
+
+typedef struct private_sql_attribute_t private_sql_attribute_t;
+
+/**
+ * private data of sql_attribute
+ */
+struct private_sql_attribute_t {
+
+ /**
+ * public functions
+ */
+ sql_attribute_t public;
+
+ /**
+ * database connection
+ */
+ database_t *db;
+
+ /**
+ * wheter to record lease history in lease table
+ */
+ bool history;
+};
+
+/**
+ * lookup/insert an identity
+ */
+static u_int get_identity(private_sql_attribute_t *this, identification_t *id)
+{
+ enumerator_t *e;
+ u_int row;
+
+ /* look for peer identity in the identities table */
+ e = this->db->query(this->db,
+ "SELECT id FROM identities WHERE type = ? AND data = ?",
+ DB_INT, id->get_type(id), DB_BLOB, id->get_encoding(id),
+ DB_UINT);
+
+ if (e && e->enumerate(e, &row))
+ {
+ e->destroy(e);
+ return row;
+ }
+ DESTROY_IF(e);
+ /* not found, insert new one */
+ if (this->db->execute(this->db, &row,
+ "INSERT INTO identities (type, data) VALUES (?, ?)",
+ DB_INT, id->get_type(id), DB_BLOB, id->get_encoding(id)) == 1)
+ {
+ return row;
+ }
+ return 0;
+}
+
+/**
+ * Lookup pool by name
+ */
+static u_int get_pool(private_sql_attribute_t *this, char *name, u_int *timeout)
+{
+ enumerator_t *e;
+ u_int pool;
+
+ e = this->db->query(this->db, "SELECT id, timeout FROM pools WHERE name = ?",
+ DB_TEXT, name, DB_UINT, DB_UINT);
+ if (e && e->enumerate(e, &pool, timeout))
+ {
+ e->destroy(e);
+ return pool;
+ }
+ DESTROY_IF(e);
+ return 0;
+}
+
+/**
+ * Look up an existing lease
+ */
+static host_t* check_lease(private_sql_attribute_t *this, char *name,
+ u_int pool, u_int identity)
+{
+ while (TRUE)
+ {
+ u_int id;
+ chunk_t address;
+ enumerator_t *e;
+ time_t now = time(NULL);
+
+ e = this->db->query(this->db,
+ "SELECT id, address FROM addresses "
+ "WHERE pool = ? AND identity = ? AND released != 0 LIMIT 1",
+ DB_UINT, pool, DB_UINT, identity, DB_UINT, DB_BLOB);
+ if (!e || !e->enumerate(e, &id, &address))
+ {
+ DESTROY_IF(e);
+ break;
+ }
+ address = chunk_clonea(address);
+ e->destroy(e);
+
+ if (this->db->execute(this->db, NULL,
+ "UPDATE addresses SET acquired = ?, released = 0 "
+ "WHERE id = ? AND identity = ? AND released != 0",
+ DB_UINT, now, DB_UINT, id, DB_UINT, identity) > 0)
+ {
+ host_t *host;
+
+ host = host_create_from_chunk(AF_UNSPEC, address, 0);
+ if (host)
+ {
+ DBG1("acquired existing lease for address %H in pool '%s'",
+ host, name);
+ return host;
+ }
+ }
+ }
+ return NULL;
+}
+
+/**
+ * We check for unallocated addresses or expired leases. First we select an
+ * address as a candidate, but double check later on if it is still available
+ * during the update operation. This allows us to work without locking.
+ */
+static host_t* get_lease(private_sql_attribute_t *this, char *name,
+ u_int pool, u_int timeout, u_int identity)
+{
+ while (TRUE)
+ {
+ u_int id;
+ chunk_t address;
+ enumerator_t *e;
+ time_t now = time(NULL);
+ int hits;
+
+ if (timeout)
+ {
+ /* check for an expired lease */
+ e = this->db->query(this->db,
+ "SELECT id, address FROM addresses "
+ "WHERE pool = ? AND released != 0 AND released < ? LIMIT 1",
+ DB_UINT, pool, DB_UINT, now - timeout, DB_UINT, DB_BLOB);
+ }
+ else
+ {
+ /* with static leases, check for an unallocated address */
+ e = this->db->query(this->db,
+ "SELECT id, address FROM addresses "
+ "WHERE pool = ? AND identity = 0 LIMIT 1",
+ DB_UINT, pool, DB_UINT, DB_BLOB);
+
+ }
+
+ if (!e || !e->enumerate(e, &id, &address))
+ {
+ DESTROY_IF(e);
+ break;
+ }
+ address = chunk_clonea(address);
+ e->destroy(e);
+
+ if (timeout)
+ {
+ hits = this->db->execute(this->db, NULL,
+ "UPDATE addresses SET "
+ "acquired = ?, released = 0, identity = ? "
+ "WHERE id = ? AND released != 0 AND released < ?",
+ DB_UINT, now, DB_UINT, identity,
+ DB_UINT, id, DB_UINT, now - timeout);
+ }
+ else
+ {
+ hits = this->db->execute(this->db, NULL,
+ "UPDATE addresses SET "
+ "acquired = ?, released = 0, identity = ? "
+ "WHERE id = ? AND identity = 0",
+ DB_UINT, now, DB_UINT, identity, DB_UINT, id);
+ }
+ if (hits > 0)
+ {
+ host_t *host;
+
+ host = host_create_from_chunk(AF_UNSPEC, address, 0);
+ if (host)
+ {
+ DBG1("acquired new lease for address %H in pool '%s'",
+ host, name);
+ return host;
+ }
+ }
+ }
+ DBG1("no available address found in pool '%s'", name);
+ return NULL;
+}
+
+/**
+ * Implementation of attribute_provider_t.acquire_address
+ */
+static host_t* acquire_address(private_sql_attribute_t *this,
+ char *names, identification_t *id,
+ host_t *requested)
+{
+ host_t *address = NULL;
+ u_int identity, pool, timeout;
+
+ identity = get_identity(this, id);
+ if (identity)
+ {
+ /* check for a single pool first (no concatenation and enumeration) */
+ if (strchr(names, ',') == NULL)
+ {
+ pool = get_pool(this, names, &timeout);
+ if (pool)
+ {
+ /* check for an existing lease */
+ address = check_lease(this, names, pool, identity);
+ if (address == NULL)
+ {
+ /* get an unallocated address or expired lease */
+ address = get_lease(this, names, pool, timeout, identity);
+ }
+ }
+ }
+ else
+ {
+ enumerator_t *enumerator;
+ char *name;
+
+ /* in a first step check for an existing lease over all pools */
+ enumerator = enumerator_create_token(names, ",", " ");
+ while (enumerator->enumerate(enumerator, &name))
+ {
+ pool = get_pool(this, name, &timeout);
+ if (pool)
+ {
+ address = check_lease(this, name, pool, identity);
+ if (address)
+ {
+ enumerator->destroy(enumerator);
+ return address;
+ }
+ }
+ }
+ enumerator->destroy(enumerator);
+
+ /* in a second step get an unallocated address or expired lease */
+ enumerator = enumerator_create_token(names, ",", " ");
+ while (enumerator->enumerate(enumerator, &name))
+ {
+ pool = get_pool(this, name, &timeout);
+ if (pool)
+ {
+ address = get_lease(this, name, pool, timeout, identity);
+ if (address)
+ {
+ break;
+ }
+ }
+ }
+ enumerator->destroy(enumerator);
+ }
+ }
+ return address;
+}
+
+/**
+ * Implementation of attribute_provider_t.release_address
+ */
+static bool release_address(private_sql_attribute_t *this,
+ char *name, host_t *address, identification_t *id)
+{
+ enumerator_t *enumerator;
+ bool found = FALSE;
+ time_t now = time(NULL);
+
+ enumerator = enumerator_create_token(name, ",", " ");
+ while (enumerator->enumerate(enumerator, &name))
+ {
+ u_int pool, timeout;
+
+ pool = get_pool(this, name, &timeout);
+ if (pool)
+ {
+ if (this->history)
+ {
+ this->db->execute(this->db, NULL,
+ "INSERT INTO leases (address, identity, acquired, released)"
+ " SELECT id, identity, acquired, ? FROM addresses "
+ " WHERE pool = ? AND address = ?",
+ DB_UINT, now, DB_UINT, pool,
+ DB_BLOB, address->get_address(address));
+ }
+ if (this->db->execute(this->db, NULL,
+ "UPDATE addresses SET released = ? WHERE "
+ "pool = ? AND address = ?", DB_UINT, time(NULL),
+ DB_UINT, pool, DB_BLOB, address->get_address(address)) > 0)
+ {
+ found = TRUE;
+ break;
+ }
+ }
+ }
+ enumerator->destroy(enumerator);
+ return found;
+}
+
+/**
+ * Implementation of sql_attribute_t.create_attribute_enumerator
+ */
+static enumerator_t* create_attribute_enumerator(private_sql_attribute_t *this,
+ identification_t *id, host_t *vip)
+{
+ if (vip)
+ {
+ enumerator_t *enumerator;
+
+ enumerator = this->db->query(this->db,
+ "SELECT type, value FROM attributes", DB_INT, DB_BLOB);
+ if (enumerator)
+ {
+ return enumerator;
+ }
+ }
+ return enumerator_create_empty();
+}
+
+/**
+ * Implementation of sql_attribute_t.destroy
+ */
+static void destroy(private_sql_attribute_t *this)
+{
+ free(this);
+}
+
+/*
+ * see header file
+ */
+sql_attribute_t *sql_attribute_create(database_t *db)
+{
+ private_sql_attribute_t *this = malloc_thing(private_sql_attribute_t);
+ time_t now = time(NULL);
+
+ this->public.provider.acquire_address = (host_t*(*)(attribute_provider_t *this, char*, identification_t *, host_t *))acquire_address;
+ this->public.provider.release_address = (bool(*)(attribute_provider_t *this, char*,host_t *, identification_t*))release_address;
+ this->public.provider.create_attribute_enumerator = (enumerator_t*(*)(attribute_provider_t*, identification_t *id, host_t *host))create_attribute_enumerator;
+ this->public.destroy = (void(*)(sql_attribute_t*))destroy;
+
+ this->db = db;
+ this->history = lib->settings->get_bool(lib->settings,
+ "libstrongswan.plugins.attr-sql.lease_history", TRUE);
+
+ /* close any "online" leases in the case we crashed */
+ if (this->history)
+ {
+ this->db->execute(this->db, NULL,
+ "INSERT INTO leases (address, identity, acquired, released)"
+ " SELECT id, identity, acquired, ? FROM addresses "
+ " WHERE released = 0", DB_UINT, now);
+ }
+ this->db->execute(this->db, NULL,
+ "UPDATE addresses SET released = ? WHERE released = 0",
+ DB_UINT, now);
+ return &this->public;
+}
+
--- /dev/null
+/*
+ * Copyright (C) 2008 Martin Willi
+ * Hochschule fuer Technik Rapperswil
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ */
+
+/**
+ * @defgroup sql_attribute sql_attribute
+ * @{ @ingroup attr_sql
+ */
+
+#ifndef SQL_ATTRIBUTE_H_
+#define SQL_ATTRIBUTE_H_
+
+#include <attributes/attribute_provider.h>
+#include <database/database.h>
+
+typedef struct sql_attribute_t sql_attribute_t;
+
+/**
+ * SQL database based IKEv2 cfg attribute provider.
+ */
+struct sql_attribute_t {
+
+ /**
+ * Implements attribute provider interface
+ */
+ attribute_provider_t provider;
+
+ /**
+ * Destroy a sql_attribute instance.
+ */
+ void (*destroy)(sql_attribute_t *this);
+};
+
+/**
+ * Create a sql_attribute instance.
+ */
+sql_attribute_t *sql_attribute_create(database_t *db);
+
+#endif /** SQL_ATTRIBUTE_H_ @}*/
endif
endif
-if USE_ATTR_SQL
- SUBDIRS += plugins/attr_sql
-if MONOLITHIC
- libstrongswan_la_LIBADD += plugins/attr_sql/libstrongswan-attr-sql.la
-endif
-endif
-
if USE_PADLOCK
SUBDIRS += plugins/padlock
if MONOLITHIC
+++ /dev/null
-
-INCLUDES = -I$(top_srcdir)/src/libstrongswan
-
-AM_CFLAGS = \
- -rdynamic \
- -DPLUGINS=\""${libstrongswan_plugins}\""
-
-if MONOLITHIC
-noinst_LTLIBRARIES = libstrongswan-attr-sql.la
-else
-plugin_LTLIBRARIES = libstrongswan-attr-sql.la
-endif
-
-libstrongswan_attr_sql_la_SOURCES = \
- attr_sql_plugin.h attr_sql_plugin.c \
- sql_attribute.h sql_attribute.c
-
-libstrongswan_attr_sql_la_LDFLAGS = -module -avoid-version
-
-ipsec_PROGRAMS = pool
-pool_SOURCES = pool.c
-pool_LDADD = $(top_builddir)/src/libstrongswan/libstrongswan.la
+++ /dev/null
-/*
- * Copyright (C) 2008 Martin Willi
- * Hochschule fuer Technik Rapperswil
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
- * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- * for more details.
- */
-
-#include <library.h>
-#include <debug.h>
-
-#include "attr_sql_plugin.h"
-#include "sql_attribute.h"
-
-typedef struct private_attr_sql_plugin_t private_attr_sql_plugin_t;
-
-/**
- * private data of attr_sql plugin
- */
-struct private_attr_sql_plugin_t {
-
- /**
- * implements plugin interface
- */
- attr_sql_plugin_t public;
-
- /**
- * database connection instance
- */
- database_t *db;
-
- /**
- * configuration attributes
- */
- sql_attribute_t *attribute;
-
-};
-
-/**
- * Implementation of plugin_t.destroy
- */
-static void destroy(private_attr_sql_plugin_t *this)
-{
- lib->attributes->remove_provider(lib->attributes, &this->attribute->provider);
- this->attribute->destroy(this->attribute);
- this->db->destroy(this->db);
- free(this);
-}
-
-/*
- * see header file
- */
-plugin_t *attr_sql_plugin_create()
-{
- char *uri;
- private_attr_sql_plugin_t *this;
-
- uri = lib->settings->get_str(lib->settings, "libstrongswan.plugins.attr-sql.database", NULL);
- if (!uri)
- {
- DBG1("attr-sql plugin: database URI not set");
- return NULL;
- }
-
- this = malloc_thing(private_attr_sql_plugin_t);
-
- this->public.plugin.destroy = (void(*)(plugin_t*))destroy;
-
- this->db = lib->db->create(lib->db, uri);
- if (!this->db)
- {
- DBG1("attr-sql plugin failed to connect to database");
- free(this);
- return NULL;
- }
- this->attribute = sql_attribute_create(this->db);
- lib->attributes->add_provider(lib->attributes, &this->attribute->provider);
-
- return &this->public.plugin;
-}
-
+++ /dev/null
-/*
- * Copyright (C) 2008 Martin Willi
- * Hochschule fuer Technik Rapperswil
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
- * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- * for more details.
- */
-
-/**
- * @defgroup attr_sql attr_sql
- * @ingroup plugins
- *
- * @defgroup sql_plugin sql_plugin
- * @{ @ingroup attr_sql
- */
-
-#ifndef ATTR_SQL_PLUGIN_H_
-#define ATTR_SQL_PLUGIN_H_
-
-#include <plugins/plugin.h>
-
-typedef struct attr_sql_plugin_t attr_sql_plugin_t;
-
-/**
- * SQL database attribute configuration plugin
- */
-struct attr_sql_plugin_t {
-
- /**
- * implements plugin interface
- */
- plugin_t plugin;
-};
-
-#endif /** ATTR_SQL_PLUGIN_H_ @}*/
+++ /dev/null
-/*
- * Copyright (C) 2008 Martin Willi
- * Hochschule fuer Technik Rapperswil
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
- * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- * for more details.
- */
-
-#define _GNU_SOURCE
-#include <getopt.h>
-#include <unistd.h>
-#include <stdio.h>
-#include <time.h>
-#include <string.h>
-#include <errno.h>
-
-#include <debug.h>
-#include <library.h>
-#include <utils/host.h>
-#include <utils/identification.h>
-#include <attributes/attributes.h>
-
-/**
- * global database handle
- */
-database_t *db;
-
-/**
- * --start/--end/--server addresses of various subcommands
- */
-host_t *start = NULL, *end = NULL, *server = NULL;
-
-/**
- * whether --add should --replace an existing pool
- */
-bool replace_pool = FALSE;
-
-/**
- * forward declarations
- */
-static void del(char *name);
-static void do_args(int argc, char *argv[]);
-
-/**
- * nesting counter for database transaction functions
- */
-int nested_transaction = 0;
-
-/**
- * start a database transaction
- */
-static void begin_transaction()
-{
- if (db->get_driver(db) == DB_SQLITE)
- {
- if (!nested_transaction)
- {
- db->execute(db, NULL, "BEGIN EXCLUSIVE TRANSACTION");
- }
- ++nested_transaction;
- }
-}
-
-/**
- * commit a database transaction
- */
-static void commit_transaction()
-{
- if (db->get_driver(db) == DB_SQLITE)
- {
- --nested_transaction;
- if (!nested_transaction)
- {
- db->execute(db, NULL, "END TRANSACTION");
- }
- }
-}
-
-/**
- * Create or replace a pool by name
- */
-static u_int create_pool(char *name, chunk_t start, chunk_t end, int timeout)
-{
- enumerator_t *e;
- int pool;
-
- e = db->query(db, "SELECT id FROM pools WHERE name = ?",
- DB_TEXT, name, DB_UINT);
- if (e && e->enumerate(e, &pool))
- {
- if (replace_pool == FALSE)
- {
- fprintf(stderr, "pool '%s' exists.\n", name);
- e->destroy(e);
- exit(EXIT_FAILURE);
- }
- del(name);
- }
- DESTROY_IF(e);
- if (db->execute(db, &pool,
- "INSERT INTO pools (name, start, end, timeout) VALUES (?, ?, ?, ?)",
- DB_TEXT, name, DB_BLOB, start, DB_BLOB, end,
- DB_INT, timeout*3600) != 1)
- {
- fprintf(stderr, "creating pool failed.\n");
- exit(EXIT_FAILURE);
- }
-
- return pool;
-}
-
-/**
- * instead of a pool handle a DNS or NBNS attribute
- */
-static bool is_attribute(char *name)
-{
- return strcaseeq(name, "dns") || strcaseeq(name, "nbns") ||
- strcaseeq(name, "wins");
-}
-
-/**
- * determine configuration attribute type
- */
-static configuration_attribute_type_t get_attribute_type(char *name, host_t* addr)
-{
- if (strcaseeq(name, "dns"))
- {
- return (addr->get_family(addr) == AF_INET) ? INTERNAL_IP4_DNS :
- INTERNAL_IP6_DNS;
- }
- else
- {
- return (addr->get_family(addr) == AF_INET) ? INTERNAL_IP4_NBNS :
- INTERNAL_IP6_NBNS;
- }
-}
-
-/**
- * calculate the size of a pool using start and end address chunk
- */
-static u_int get_pool_size(chunk_t start, chunk_t end)
-{
- u_int *start_ptr, *end_ptr;
-
- if (start.len < sizeof(u_int) || end.len < sizeof(u_int))
- {
- return 0;
- }
- start_ptr = (u_int*)(start.ptr + start.len - sizeof(u_int));
- end_ptr = (u_int*)(end.ptr + end.len - sizeof(u_int));
- return ntohl(*end_ptr) - ntohl(*start_ptr) + 1;
-}
-
-/**
- * print usage info
- */
-static void usage(void)
-{
- printf("\
-Usage:\n\
- ipsec pool --status|--add|--replace|--del|--resize|--purge [options]\n\
- \n\
- ipsec pool --status\n\
- Show a list of installed pools with statistics.\n\
- \n\
- ipsec pool --add <name> --start <start> --end <end> [--timeout <timeout>]\n\
- ipsec pool --replace <name> --start <start> --end <end> [--timeout <timeout>]\n\
- Add a new pool to or replace an existing pool in the database.\n\
- name: Name of the pool, as used in ipsec.conf rightsourceip=%%name\n\
- start: Start address of the pool\n\
- end: End address of the pool\n\
- timeout: Lease time in hours, 0 for static leases\n\
- \n\
- ipsec pool --add <name> --addresses <file> [--timeout <timeout>]\n\
- ipsec pool --replace <name> --addresses <file> [--timeout <timeout>]\n\
- Add a new pool to or replace an existing pool in the database.\n\
- name: Name of the pool, as used in ipsec.conf rightsourceip=%%name\n\
- file: File newline separated addresses for the pool are read from.\n\
- Optionally each address can be pre-assigned to a roadwarrior\n\
- identity, e.g. 10.231.14.2=alice@strongswan.org.\n\
- If a - (hyphen) is given instead of a file name, the addresses\n\
- are read from STDIN. Reading addresses stops at the end of file\n\
- or an empty line. Pools created with this command can not be\n\
- resized.\n\
- timeout: Lease time in hours, 0 for static leases\n\
- \n\
- ipsec pool --add dns|nbns|wins --server <server>\n\
- Add a new DNS or NBNS server to the database.\n\
- server: IP address of the name server\n\
- \n\
- ipsec pool --del <name>\n\
- Delete a pool from the database.\n\
- name: Name of the pool to delete\n\
- \n\
- ipsec pool --del dns|nbns|wins [--server <server>]\n\
- Delete a specific or all DNS or NBNS servers from the database.\n\
- server: IP address of the name server to delete\n\
- \n\
- ipsec pool --resize <name> --end <end>\n\
- Grow or shrink an existing pool.\n\
- name: Name of the pool to resize\n\
- end: New end address for the pool\n\
- \n\
- ipsec pool --leases [--filter <filter>] [--utc]\n\
- Show lease information using filters:\n\
- filter: Filter string containing comma separated key=value filters,\n\
- e.g. id=alice@strongswan.org,addr=1.1.1.1\n\
- pool: name of the pool\n\
- id: assigned identity of the lease\n\
- addr: lease IP address\n\
- tstamp: UNIX timestamp when lease was valid, as integer\n\
- status: status of the lease: online|valid|expired\n\
- utc: Show times in UTC instead of local time\n\
- \n\
- ipsec pool --purge <name>\n\
- Delete lease history of a pool:\n\
- name: Name of the pool to purge\n\
- \n\
- ipsec pool --batch <file>\n\
- Read commands from a file and execute them atomically.\n\
- file: File to read the newline separated commands from. Commands\n\
- appear as they are written on the command line, e.g.\n\
- --replace mypool --start 10.0.0.1 --end 10.0.0.254\n\
- --del dns\n\
- --add dns --server 10.1.0.1\n\
- --add dns --server 10.1.1.1\n\
- If a - (hyphen) is given as a file name, the commands are read\n\
- from STDIN. Readin commands stops at the end of file. Empty\n\
- lines are ignored. The file may not contain a --batch command.\n\
- \n");
-}
-
-/**
- * ipsec pool --status - show pool overview
- */
-static void status(void)
-{
- enumerator_t *ns, *pool, *lease;
- host_t *server;
- chunk_t value;
- bool found = FALSE;
-
- /* enumerate IPv4 DNS servers */
- ns = db->query(db, "SELECT value FROM attributes WHERE type = ?",
- DB_INT, INTERNAL_IP4_DNS, DB_BLOB);
- if (ns)
- {
- while (ns->enumerate(ns, &value))
- {
- if (!found)
- {
- printf("dns servers:");
- found = TRUE;
- }
- server = host_create_from_chunk(AF_INET, value, 0);
- if (server)
- {
- printf(" %H", server);
- server->destroy(server);
- }
- }
- ns->destroy(ns);
- }
-
- /* enumerate IPv6 DNS servers */
- ns = db->query(db, "SELECT value FROM attributes WHERE type = ?",
- DB_INT, INTERNAL_IP6_DNS, DB_BLOB);
- if (ns)
- {
- while (ns->enumerate(ns, &value))
- {
- if (!found)
- {
- printf("dns servers:");
- found = TRUE;
- }
- server = host_create_from_chunk(AF_INET6, value, 0);
- if (server)
- {
- printf(" %H", server);
- server->destroy(server);
- }
- }
- ns->destroy(ns);
- }
- if (found)
- {
- printf("\n");
- }
- else
- {
- printf("no dns servers found.\n");
- }
- found = FALSE;
-
- /* enumerate IPv4 NBNS servers */
- ns = db->query(db, "SELECT value FROM attributes WHERE type = ?",
- DB_INT, INTERNAL_IP4_NBNS, DB_BLOB);
- if (ns)
- {
- while (ns->enumerate(ns, &value))
- {
- if (!found)
- {
- printf("nbns servers:");
- found = TRUE;
- }
- server = host_create_from_chunk(AF_INET, value, 0);
- if (server)
- {
- printf(" %H", server);
- server->destroy(server);
- }
- }
- ns->destroy(ns);
- }
-
- /* enumerate IPv6 NBNS servers */
- ns = db->query(db, "SELECT value FROM attributes WHERE type = ?",
- DB_INT, INTERNAL_IP6_NBNS, DB_BLOB);
- if (ns)
- {
- while (ns->enumerate(ns, &value))
- {
- if (!found)
- {
- printf("nbns servers:");
- found = TRUE;
- }
- server = host_create_from_chunk(AF_INET6, value, 0);
- if (server)
- {
- printf(" %H", server);
- server->destroy(server);
- }
- }
- ns->destroy(ns);
- }
- if (found)
- {
- printf("\n");
- }
- else
- {
- printf("no nbns servers found.\n");
- }
- found = FALSE;
-
- pool = db->query(db, "SELECT id, name, start, end, timeout FROM pools",
- DB_INT, DB_TEXT, DB_BLOB, DB_BLOB, DB_UINT);
- if (pool)
- {
- char *name;
- chunk_t start_chunk, end_chunk;
- host_t *start, *end;
- u_int id, timeout, online = 0, used = 0, size = 0;
-
- while (pool->enumerate(pool, &id, &name,
- &start_chunk, &end_chunk, &timeout))
- {
- if (!found)
- {
- printf("%8s %15s %15s %8s %6s %11s %11s\n", "name", "start",
- "end", "timeout", "size", "online", "usage");
- found = TRUE;
- }
-
- start = host_create_from_chunk(AF_UNSPEC, start_chunk, 0);
- end = host_create_from_chunk(AF_UNSPEC, end_chunk, 0);
- if (start->is_anyaddr(start) && end->is_anyaddr(end))
- {
- printf("%8s %15s %15s ", name, "n/a", "n/a");
- }
- else
- {
- printf("%8s %15H %15H ", name, start, end);
- }
- if (timeout)
- {
- printf("%7dh ", timeout/3600);
- }
- else
- {
- printf("%8s ", "static");
- }
- /* get total number of hosts in the pool */
- lease = db->query(db, "SELECT COUNT(*) FROM addresses "
- "WHERE pool = ?", DB_UINT, id, DB_INT);
- if (lease)
- {
- lease->enumerate(lease, &size);
- lease->destroy(lease);
- }
- printf("%6d ", size);
- /* get number of online hosts */
- lease = db->query(db, "SELECT COUNT(*) FROM addresses "
- "WHERE pool = ? AND released = 0",
- DB_UINT, id, DB_INT);
- if (lease)
- {
- lease->enumerate(lease, &online);
- lease->destroy(lease);
- }
- printf("%5d (%2d%%) ", online, online*100/size);
- /* get number of online or valid lieases */
- lease = db->query(db, "SELECT COUNT(*) FROM addresses "
- "WHERE addresses.pool = ? "
- "AND ((? AND acquired != 0) "
- " OR released = 0 OR released > ?) ",
- DB_UINT, id, DB_UINT, !timeout,
- DB_UINT, time(NULL) - timeout, DB_UINT);
- if (lease)
- {
- lease->enumerate(lease, &used);
- lease->destroy(lease);
- }
- printf("%5d (%2d%%) ", used, used*100/size);
-
- printf("\n");
- DESTROY_IF(start);
- DESTROY_IF(end);
- }
- pool->destroy(pool);
- }
- if (!found)
- {
- printf("no pools found.\n");
- }
-}
-
-/**
- * ipsec pool --add - add a new pool
- */
-static void add(char *name, host_t *start, host_t *end, int timeout)
-{
- chunk_t start_addr, end_addr, cur_addr;
- u_int id, count;
-
- start_addr = start->get_address(start);
- end_addr = end->get_address(end);
- cur_addr = chunk_clonea(start_addr);
- count = get_pool_size(start_addr, end_addr);
-
- if (start_addr.len != end_addr.len ||
- memcmp(start_addr.ptr, end_addr.ptr, start_addr.len) > 0)
- {
- fprintf(stderr, "invalid start/end pair specified.\n");
- exit(EXIT_FAILURE);
- }
- id = create_pool(name, start_addr, end_addr, timeout);
- printf("allocating %d addresses... ", count);
- fflush(stdout);
- /* run population in a transaction for sqlite */
- begin_transaction();
- while (TRUE)
- {
- db->execute(db, NULL,
- "INSERT INTO addresses (pool, address, identity, acquired, released) "
- "VALUES (?, ?, ?, ?, ?)",
- DB_UINT, id, DB_BLOB, cur_addr, DB_UINT, 0, DB_UINT, 0, DB_UINT, 1);
- if (chunk_equals(cur_addr, end_addr))
- {
- break;
- }
- chunk_increment(cur_addr);
- }
- commit_transaction();
- printf("done.\n", count);
-}
-
-static bool add_address(u_int pool_id, char *address_str, int *family)
-{
- host_t *address;
- int user_id = 0;
-
- char *pos_eq = strchr(address_str, '=');
- if (pos_eq != NULL)
- {
- enumerator_t *e;
- identification_t *id = identification_create_from_string(pos_eq + 1);
-
- /* look for peer identity in the identities table */
- e = db->query(db,
- "SELECT id FROM identities WHERE type = ? AND data = ?",
- DB_INT, id->get_type(id), DB_BLOB, id->get_encoding(id),
- DB_UINT);
-
- if (!e || !e->enumerate(e, &user_id))
- {
- /* not found, insert new one */
- if (db->execute(db, &user_id,
- "INSERT INTO identities (type, data) VALUES (?, ?)",
- DB_INT, id->get_type(id),
- DB_BLOB, id->get_encoding(id)) != 1)
- {
- fprintf(stderr, "creating id '%s' failed.\n", pos_eq + 1);
- return FALSE;
- }
- }
- DESTROY_IF(e);
- id->destroy(id);
- *pos_eq = '\0';
- }
-
- address = host_create_from_string(address_str, 0);
- if (address == NULL)
- {
- fprintf(stderr, "invalid address '%s'.\n", address_str);
- return FALSE;
- }
- if (family && *family && *family != address->get_family(address))
- {
- fprintf(stderr, "invalid address family '%s'.\n", address_str);
- return FALSE;
- }
-
- if (db->execute(db, NULL,
- "INSERT INTO addresses "
- "(pool, address, identity, acquired, released) "
- "VALUES (?, ?, ?, ?, ?)",
- DB_UINT, pool_id, DB_BLOB, address->get_address(address),
- DB_UINT, user_id, DB_UINT, 0, DB_UINT, 1) != 1)
- {
- fprintf(stderr, "inserting address '%s' failed.\n", address_str);
- return FALSE;
- }
- *family = address->get_family(address);
- address->destroy(address);
-
- return TRUE;
-}
-
-static void add_addresses(char *pool, char *path, int timeout)
-{
- u_int pool_id, count = 0;
- int family = AF_UNSPEC;
- char address_str[512];
- host_t *addr;
- FILE *file;
-
- /* run population in a transaction for sqlite */
- begin_transaction();
-
- addr = host_create_from_string("%any", 0);
- pool_id = create_pool(pool, addr->get_address(addr),
- addr->get_address(addr), timeout);
- addr->destroy(addr);
-
- file = (strcmp(path, "-") == 0 ? stdin : fopen(path, "r"));
- if (file == NULL)
- {
- fprintf(stderr, "opening '%s' failed: %s\n", path, strerror(errno));
- exit(-1);
- }
-
- printf("starting allocation... ");
- fflush(stdout);
-
- while (fgets(address_str, sizeof(address_str), file))
- {
- size_t addr_len = strlen(address_str);
- char *last_chr = address_str + addr_len - 1;
- if (*last_chr == '\n')
- {
- if (addr_len == 1)
- { /* end of input */
- break;
- }
- *last_chr = '\0';
- }
- if (add_address(pool_id, address_str, &family) == FALSE)
- {
- exit(EXIT_FAILURE);
- }
- ++count;
- }
-
- if (file != stdin)
- {
- fclose(file);
- }
-
- commit_transaction();
-
- printf("%d addresses done.\n", count);
-}
-
-/**
- * ipsec pool --add dns|nbns|wins - add a DNS or NBNS server entry
- */
-static void add_attr(char *name, host_t *server)
-{
- configuration_attribute_type_t type;
- chunk_t value;
-
- type = get_attribute_type(name, server);
- value = server->get_address(server);
- if (db->execute(db, NULL,
- "INSERT INTO attributes (type, value) VALUES (?, ?)",
- DB_INT, type, DB_BLOB, value) != 1)
- {
- fprintf(stderr, "adding %s server %H failed.\n", name, server);
- exit(EXIT_FAILURE);
- }
- printf("added %s server %H\n", name, server);
-}
-
-/**
- * ipsec pool --del - delete a pool
- */
-static void del(char *name)
-{
- enumerator_t *query;
- u_int id;
- bool found = FALSE;
-
- query = db->query(db, "SELECT id FROM pools WHERE name = ?",
- DB_TEXT, name, DB_UINT);
- if (!query)
- {
- fprintf(stderr, "deleting pool failed.\n");
- exit(EXIT_FAILURE);
- }
- while (query->enumerate(query, &id))
- {
- found = TRUE;
- if (db->execute(db, NULL,
- "DELETE FROM leases WHERE address IN ("
- " SELECT id FROM addresses WHERE pool = ?)", DB_UINT, id) < 0 ||
- db->execute(db, NULL,
- "DELETE FROM addresses WHERE pool = ?", DB_UINT, id) < 0 ||
- db->execute(db, NULL,
- "DELETE FROM pools WHERE id = ?", DB_UINT, id) < 0)
- {
- fprintf(stderr, "deleting pool failed.\n");
- query->destroy(query);
- exit(EXIT_FAILURE);
- }
- }
- query->destroy(query);
- if (!found)
- {
- fprintf(stderr, "pool '%s' not found.\n", name);
- exit(EXIT_FAILURE);
- }
-}
-
-/**
- * ipsec pool --del dns|nbns|wins - delete a DNS or NBNS server entry
- */
-static void del_attr(char *name, host_t *server)
-{
- configuration_attribute_type_t type;
- chunk_t value;
- u_int id;
- enumerator_t *query;
- bool found = FALSE;
-
- if (server)
- {
- type = get_attribute_type(name, server);
- value = server->get_address(server);
- query = db->query(db,
- "SELECT id, type, value FROM attributes "
- "WHERE type = ? AND value = ?",
- DB_INT, type, DB_BLOB, value,
- DB_UINT, DB_INT, DB_BLOB);
- }
- else
- {
- configuration_attribute_type_t type_ip4, type_ip6;
-
- if (strcaseeq(name, "dns"))
- {
- type_ip4 = INTERNAL_IP4_DNS;
- type_ip6 = INTERNAL_IP6_DNS;
- }
- else
- {
- type_ip4 = INTERNAL_IP4_NBNS;
- type_ip6 = INTERNAL_IP6_NBNS;
- }
-
- query = db->query(db,
- "SELECT id, type, value FROM attributes "
- "WHERE type = ? OR type = ?",
- DB_INT, type_ip4, DB_INT, type_ip6,
- DB_UINT, DB_INT, DB_BLOB);
- }
- if (!query)
- {
- fprintf(stderr, "deleting %s servers failed.\n", name);
- exit(EXIT_FAILURE);
- }
-
- while (query->enumerate(query, &id, &type, &value))
- {
- int family;
- host_t *host;
-
- found = TRUE;
- family = (type == INTERNAL_IP4_DNS || type == INTERNAL_IP4_NBNS) ?
- AF_INET : AF_INET6;
- host = host_create_from_chunk(family, value, 0);
- if (db->execute(db, NULL,
- "DELETE FROM attributes WHERE id = ?",
- DB_UINT, id) != 1)
- {
- fprintf(stderr, "deleting %s server %H failed\n", name, host);
- query->destroy(query);
- DESTROY_IF(host);
- exit(EXIT_FAILURE);
- }
- printf("deleted %s server %H\n", name, host);
- DESTROY_IF(host);
- }
- query->destroy(query);
-
- if (!found && server)
- {
- printf("%s server %H not found\n", name, server);
- exit(EXIT_FAILURE);
- }
- else if (!found)
- {
- printf("no %s servers found\n", name);
- }
-}
-
-/**
- * ipsec pool --resize - resize a pool
- */
-static void resize(char *name, host_t *end)
-{
- enumerator_t *query;
- chunk_t old_addr, new_addr, cur_addr;
- u_int id, count;
- host_t *old_end;
-
- new_addr = end->get_address(end);
-
- query = db->query(db, "SELECT id, end FROM pools WHERE name = ?",
- DB_TEXT, name, DB_UINT, DB_BLOB);
- if (!query || !query->enumerate(query, &id, &old_addr))
- {
- DESTROY_IF(query);
- fprintf(stderr, "resizing pool failed.\n");
- exit(EXIT_FAILURE);
- }
- if (old_addr.len != new_addr.len ||
- memcmp(new_addr.ptr, old_addr.ptr, old_addr.len) < 0)
- {
- fprintf(stderr, "shrinking of pools not supported.\n");
- query->destroy(query);
- exit(EXIT_FAILURE);
- }
- cur_addr = chunk_clonea(old_addr);
- count = get_pool_size(old_addr, new_addr) - 1;
- query->destroy(query);
-
- /* Check whether pool is resizable */
- old_end = host_create_from_chunk(AF_UNSPEC, old_addr, 0);
- if (old_end && old_end->is_anyaddr(old_end))
- {
- fprintf(stderr, "pool is not resizable.\n");
- old_end->destroy(old_end);
- exit(EXIT_FAILURE);
- }
- DESTROY_IF(old_end);
-
- if (db->execute(db, NULL,
- "UPDATE pools SET end = ? WHERE name = ?",
- DB_BLOB, new_addr, DB_TEXT, name) <= 0)
- {
- fprintf(stderr, "pool '%s' not found.\n", name);
- exit(EXIT_FAILURE);
- }
-
- printf("allocating %d new addresses... ", count);
- fflush(stdout);
- /* run population in a transaction for sqlite */
- begin_transaction();
- while (count-- > 0)
- {
- chunk_increment(cur_addr);
- db->execute(db, NULL,
- "INSERT INTO addresses (pool, address, identity, acquired, released) "
- "VALUES (?, ?, ?, ?, ?)",
- DB_UINT, id, DB_BLOB, cur_addr, DB_UINT, 0, DB_UINT, 0, DB_UINT, 1);
- }
- commit_transaction();
- printf("done.\n", count);
-
-}
-
-/**
- * create the lease query using the filter string
- */
-static enumerator_t *create_lease_query(char *filter)
-{
- enumerator_t *query;
- identification_t *id = NULL;
- host_t *addr = NULL;
- u_int tstamp = 0;
- bool online = FALSE, valid = FALSE, expired = FALSE;
- char *value, *pos, *pool = NULL;
- enum {
- FIL_POOL = 0,
- FIL_ID,
- FIL_ADDR,
- FIL_TSTAMP,
- FIL_STATE,
- };
- char *const token[] = {
- [FIL_POOL] = "pool",
- [FIL_ID] = "id",
- [FIL_ADDR] = "addr",
- [FIL_TSTAMP] = "tstamp",
- [FIL_STATE] = "status",
- NULL
- };
-
- /* if the filter string contains a distinguished name as a ID, we replace
- * ", " by "/ " in order to not confuse the getsubopt parser */
- pos = filter;
- while ((pos = strchr(pos, ',')))
- {
- if (pos[1] == ' ')
- {
- pos[0] = '/';
- }
- pos++;
- }
-
- while (filter && *filter != '\0')
- {
- switch (getsubopt(&filter, token, &value))
- {
- case FIL_POOL:
- if (value)
- {
- pool = value;
- }
- break;
- case FIL_ID:
- if (value)
- {
- id = identification_create_from_string(value);
- }
- break;
- case FIL_ADDR:
- if (value)
- {
- addr = host_create_from_string(value, 0);
- }
- if (!addr)
- {
- fprintf(stderr, "invalid 'addr' in filter string.\n");
- exit(EXIT_FAILURE);
- }
- break;
- case FIL_TSTAMP:
- if (value)
- {
- tstamp = atoi(value);
- }
- if (tstamp == 0)
- {
- online = TRUE;
- }
- break;
- case FIL_STATE:
- if (value)
- {
- if (streq(value, "online"))
- {
- online = TRUE;
- }
- else if (streq(value, "valid"))
- {
- valid = TRUE;
- }
- else if (streq(value, "expired"))
- {
- expired = TRUE;
- }
- else
- {
- fprintf(stderr, "invalid 'state' in filter string.\n");
- exit(EXIT_FAILURE);
- }
- }
- break;
- default:
- fprintf(stderr, "invalid filter string.\n");
- exit(EXIT_FAILURE);
- break;
- }
- }
- query = db->query(db,
- "SELECT name, addresses.address, identities.type, "
- "identities.data, leases.acquired, leases.released, timeout "
- "FROM leases JOIN addresses ON leases.address = addresses.id "
- "JOIN pools ON addresses.pool = pools.id "
- "JOIN identities ON leases.identity = identities.id "
- "WHERE (? OR name = ?) "
- "AND (? OR (identities.type = ? AND identities.data = ?)) "
- "AND (? OR addresses.address = ?) "
- "AND (? OR (? >= leases.acquired AND (? <= leases.released))) "
- "AND (? OR leases.released > ? - timeout) "
- "AND (? OR leases.released < ? - timeout) "
- "AND ? "
- "UNION "
- "SELECT name, address, identities.type, identities.data, "
- "acquired, released, timeout FROM addresses "
- "JOIN pools ON addresses.pool = pools.id "
- "JOIN identities ON addresses.identity = identities.id "
- "WHERE ? AND released = 0 "
- "AND (? OR name = ?) "
- "AND (? OR (identities.type = ? AND identities.data = ?)) "
- "AND (? OR address = ?)",
- DB_INT, pool == NULL, DB_TEXT, pool,
- DB_INT, id == NULL,
- DB_INT, id ? id->get_type(id) : 0,
- DB_BLOB, id ? id->get_encoding(id) : chunk_empty,
- DB_INT, addr == NULL,
- DB_BLOB, addr ? addr->get_address(addr) : chunk_empty,
- DB_INT, tstamp == 0, DB_UINT, tstamp, DB_UINT, tstamp,
- DB_INT, !valid, DB_INT, time(NULL),
- DB_INT, !expired, DB_INT, time(NULL),
- DB_INT, !online,
- /* union */
- DB_INT, !(valid || expired),
- DB_INT, pool == NULL, DB_TEXT, pool,
- DB_INT, id == NULL,
- DB_INT, id ? id->get_type(id) : 0,
- DB_BLOB, id ? id->get_encoding(id) : chunk_empty,
- DB_INT, addr == NULL,
- DB_BLOB, addr ? addr->get_address(addr) : chunk_empty,
- /* res */
- DB_TEXT, DB_BLOB, DB_INT, DB_BLOB, DB_UINT, DB_UINT, DB_UINT);
- /* id and addr leak but we can't destroy them until query is destroyed. */
- return query;
-}
-
-/**
- * ipsec pool --leases - show lease information of a pool
- */
-static void leases(char *filter, bool utc)
-{
- enumerator_t *query;
- chunk_t address_chunk, identity_chunk;
- int identity_type;
- char *name;
- u_int db_acquired, db_released, db_timeout;
- time_t acquired, released, timeout;
- host_t *address;
- identification_t *identity;
- bool found = FALSE;
-
- query = create_lease_query(filter);
- if (!query)
- {
- fprintf(stderr, "querying leases failed.\n");
- exit(EXIT_FAILURE);
- }
- while (query->enumerate(query, &name, &address_chunk, &identity_type,
- &identity_chunk, &db_acquired, &db_released, &db_timeout))
- {
- if (!found)
- {
- int len = utc ? 25 : 21;
-
- found = TRUE;
- printf("%-8s %-15s %-7s %-*s %-*s %s\n",
- "name", "address", "status", len, "start", len, "end", "identity");
- }
- address = host_create_from_chunk(AF_UNSPEC, address_chunk, 0);
- identity = identification_create_from_encoding(identity_type, identity_chunk);
-
- /* u_int is not always equal to time_t */
- acquired = (time_t)db_acquired;
- released = (time_t)db_released;
- timeout = (time_t)db_timeout;
-
- printf("%-8s %-15H ", name, address);
- if (released == 0)
- {
- printf("%-7s ", "online");
- }
- else if (timeout == 0)
- {
- printf("%-7s ", "static");
- }
- else if (released >= time(NULL) - timeout)
- {
- printf("%-7s ", "valid");
- }
- else
- {
- printf("%-7s ", "expired");
- }
-
- printf(" %T ", &acquired, utc);
- if (released)
- {
- printf("%T ", &released, utc);
- }
- else
- {
- printf(" ");
- if (utc)
- {
- printf(" ");
- }
- }
- printf("%Y\n", identity);
- DESTROY_IF(address);
- identity->destroy(identity);
- }
- query->destroy(query);
- if (!found)
- {
- fprintf(stderr, "no matching leases found.\n");
- exit(EXIT_FAILURE);
- }
-}
-
-/**
- * ipsec pool --purge - delete expired leases
- */
-static void purge(char *name)
-{
- int purged = 0;
-
- purged = db->execute(db, NULL,
- "DELETE FROM leases WHERE address IN ("
- " SELECT id FROM addresses WHERE pool IN ("
- " SELECT id FROM pools WHERE name = ?))",
- DB_TEXT, name);
- if (purged < 0)
- {
- fprintf(stderr, "purging pool '%s' failed.\n", name);
- exit(EXIT_FAILURE);
- }
- fprintf(stderr, "purged %d leases in pool '%s'.\n", purged, name);
-}
-
-#define ARGV_SIZE 32
-
-static void argv_add(char **argv, int argc, char *value)
-{
- if (argc >= ARGV_SIZE)
- {
- fprintf(stderr, "too many arguments: %s\n", value);
- exit(EXIT_FAILURE);
- }
- argv[argc] = value;
-}
-
-/**
- * ipsec pool --batch - read commands from a file
- */
-static void batch(char *argv0, char *name)
-{
- char command[512];
-
- FILE *file = strncmp(name, "-", 1) == 0 ? stdin : fopen(name, "r");
- if (file == NULL)
- {
- fprintf(stderr, "opening '%s' failed: %s\n", name, strerror(errno));
- exit(EXIT_FAILURE);
- }
-
- begin_transaction();
- while (fgets(command, sizeof(command), file))
- {
- char *argv[ARGV_SIZE], *start;
- int i, argc = 0;
- size_t cmd_len = strlen(command);
-
- /* ignore empty lines */
- if (cmd_len == 1 && *(command + cmd_len - 1) == '\n')
- {
- continue;
- }
-
- /* parse command into argv */
- start = command;
- argv_add(argv, argc++, argv0);
- for (i = 0; i < cmd_len; ++i)
- {
- if (command[i] == ' ' || command[i] == '\n')
- {
- if (command + i == start)
- {
- /* ignore leading whitespace */
- ++start;
- continue;
- }
- command[i] = '\0';
- argv_add(argv, argc++, start);
- start = command + i + 1;
- }
- }
- if (strlen(start) > 0)
- {
- argv_add(argv, argc++, start);
- }
- argv_add(argv, argc, NULL);
-
- do_args(argc, argv);
- }
- commit_transaction();
-
- if (file != stdin)
- {
- fclose(file);
- }
-}
-
-/**
- * atexit handler to close db on shutdown
- */
-static void cleanup(void)
-{
- db->destroy(db);
- DESTROY_IF(start);
- DESTROY_IF(end);
- DESTROY_IF(server);
-}
-
-static void do_args(int argc, char *argv[])
-{
- char *name = "", *filter = "", *addresses = NULL;
- int timeout = 0;
- bool utc = FALSE;
- enum {
- OP_UNDEF,
- OP_USAGE,
- OP_STATUS,
- OP_ADD,
- OP_ADD_ATTR,
- OP_DEL,
- OP_DEL_ATTR,
- OP_RESIZE,
- OP_LEASES,
- OP_PURGE,
- OP_BATCH
- } operation = OP_UNDEF;
-
- /* reinit getopt state */
- optind = 0;
-
- while (TRUE)
- {
- int c;
-
- struct option long_opts[] = {
- { "help", no_argument, NULL, 'h' },
-
- { "utc", no_argument, NULL, 'u' },
- { "status", no_argument, NULL, 'w' },
- { "add", required_argument, NULL, 'a' },
- { "replace", required_argument, NULL, 'c' },
- { "del", required_argument, NULL, 'd' },
- { "resize", required_argument, NULL, 'r' },
- { "leases", no_argument, NULL, 'l' },
- { "purge", required_argument, NULL, 'p' },
- { "batch", required_argument, NULL, 'b' },
-
- { "start", required_argument, NULL, 's' },
- { "end", required_argument, NULL, 'e' },
- { "addresses", required_argument, NULL, 'x' },
- { "timeout", required_argument, NULL, 't' },
- { "filter", required_argument, NULL, 'f' },
- { "server", required_argument, NULL, 'v' },
- { 0,0,0,0 }
- };
-
- c = getopt_long(argc, argv, "", long_opts, NULL);
- switch (c)
- {
- case EOF:
- break;
- case 'h':
- operation = OP_USAGE;
- break;
- case 'w':
- operation = OP_STATUS;
- break;
- case 'u':
- utc = TRUE;
- continue;
- case 'c':
- replace_pool = TRUE;
- /* fallthrough */
- case 'a':
- name = optarg;
- operation = is_attribute(name) ? OP_ADD_ATTR : OP_ADD;
- if (replace_pool && operation == OP_ADD_ATTR)
- {
- fprintf(stderr, "invalid pool name: '%s'.\n", optarg);
- usage();
- exit(EXIT_FAILURE);
- }
- continue;
- case 'd':
- name = optarg;
- operation = is_attribute(name) ? OP_DEL_ATTR : OP_DEL;
- continue;
- case 'r':
- name = optarg;
- operation = OP_RESIZE;
- continue;
- case 'l':
- operation = OP_LEASES;
- continue;
- case 'p':
- name = optarg;
- operation = OP_PURGE;
- continue;
- case 'b':
- name = optarg;
- if (operation == OP_BATCH)
- {
- fprintf(stderr, "--batch commands can not be nested\n");
- exit(EXIT_FAILURE);
- }
- operation = OP_BATCH;
- continue;
- case 's':
- DESTROY_IF(start);
- start = host_create_from_string(optarg, 0);
- if (start == NULL)
- {
- fprintf(stderr, "invalid start address: '%s'.\n", optarg);
- usage();
- exit(EXIT_FAILURE);
- }
- continue;
- case 'e':
- DESTROY_IF(end);
- end = host_create_from_string(optarg, 0);
- if (end == NULL)
- {
- fprintf(stderr, "invalid end address: '%s'.\n", optarg);
- usage();
- exit(EXIT_FAILURE);
- }
- continue;
- case 't':
- timeout = atoi(optarg);
- if (timeout == 0 && strcmp(optarg, "0") != 0)
- {
- fprintf(stderr, "invalid timeout '%s'.\n", optarg);
- usage();
- exit(EXIT_FAILURE);
- }
- continue;
- case 'f':
- filter = optarg;
- continue;
- case 'x':
- addresses = optarg;
- continue;
- case 'v':
- DESTROY_IF(server);
- server = host_create_from_string(optarg, 0);
- if (server == NULL)
- {
- fprintf(stderr, "invalid server address: '%s'.\n", optarg);
- usage();
- exit(EXIT_FAILURE);
- }
- continue;
- default:
- usage();
- exit(EXIT_FAILURE);
- break;
- }
- break;
- }
-
- switch (operation)
- {
- case OP_USAGE:
- usage();
- break;
- case OP_STATUS:
- status();
- break;
- case OP_ADD:
- if (addresses != NULL)
- {
- add_addresses(name, addresses, timeout);
- }
- else if (start != NULL && end != NULL)
- {
- add(name, start, end, timeout);
- }
- else
- {
- fprintf(stderr, "missing arguments.\n");
- usage();
- exit(EXIT_FAILURE);
- }
- break;
- case OP_ADD_ATTR:
- if (server == NULL)
- {
- fprintf(stderr, "missing arguments.\n");
- usage();
- exit(EXIT_FAILURE);
- }
- add_attr(name, server);
- break;
- case OP_DEL:
- del(name);
- break;
- case OP_DEL_ATTR:
- del_attr(name, server);
- break;
- case OP_RESIZE:
- if (end == NULL)
- {
- fprintf(stderr, "missing arguments.\n");
- usage();
- exit(EXIT_FAILURE);
- }
- resize(name, end);
- break;
- case OP_LEASES:
- leases(filter, utc);
- break;
- case OP_PURGE:
- purge(name);
- break;
- case OP_BATCH:
- if (name == NULL)
- {
- fprintf(stderr, "missing arguments.\n");
- usage();
- exit(EXIT_FAILURE);
- }
- batch(argv[0], name);
- break;
- default:
- usage();
- exit(EXIT_FAILURE);
- }
-}
-
-int main(int argc, char *argv[])
-{
- char *uri;
-
- atexit(library_deinit);
-
- /* initialize library */
- if (!library_init(NULL))
- {
- exit(SS_RC_LIBSTRONGSWAN_INTEGRITY);
- }
- if (lib->integrity &&
- !lib->integrity->check_file(lib->integrity, "pool", argv[0]))
- {
- fprintf(stderr, "integrity check of pool failed\n");
- exit(SS_RC_DAEMON_INTEGRITY);
- }
- if (!lib->plugins->load(lib->plugins, NULL,
- lib->settings->get_str(lib->settings, "pool.load", PLUGINS)))
- {
- exit(SS_RC_INITIALIZATION_FAILED);
- }
-
- uri = lib->settings->get_str(lib->settings, "libstrongswan.plugins.attr-sql.database", NULL);
- if (!uri)
- {
- fprintf(stderr, "database URI libstrongswan.plugins.attr-sql.database not set.\n");
- exit(SS_RC_INITIALIZATION_FAILED);
- }
- db = lib->db->create(lib->db, uri);
- if (!db)
- {
- fprintf(stderr, "opening database failed.\n");
- exit(SS_RC_INITIALIZATION_FAILED);
- }
- atexit(cleanup);
-
- do_args(argc, argv);
-
- exit(EXIT_SUCCESS);
-}
-
+++ /dev/null
-/*
- * Copyright (C) 2008 Martin Willi
- * Hochschule fuer Technik Rapperswil
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
- * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- * for more details.
- */
-
-#include <time.h>
-
-#include <debug.h>
-#include <library.h>
-
-#include "sql_attribute.h"
-
-typedef struct private_sql_attribute_t private_sql_attribute_t;
-
-/**
- * private data of sql_attribute
- */
-struct private_sql_attribute_t {
-
- /**
- * public functions
- */
- sql_attribute_t public;
-
- /**
- * database connection
- */
- database_t *db;
-
- /**
- * wheter to record lease history in lease table
- */
- bool history;
-};
-
-/**
- * lookup/insert an identity
- */
-static u_int get_identity(private_sql_attribute_t *this, identification_t *id)
-{
- enumerator_t *e;
- u_int row;
-
- /* look for peer identity in the identities table */
- e = this->db->query(this->db,
- "SELECT id FROM identities WHERE type = ? AND data = ?",
- DB_INT, id->get_type(id), DB_BLOB, id->get_encoding(id),
- DB_UINT);
-
- if (e && e->enumerate(e, &row))
- {
- e->destroy(e);
- return row;
- }
- DESTROY_IF(e);
- /* not found, insert new one */
- if (this->db->execute(this->db, &row,
- "INSERT INTO identities (type, data) VALUES (?, ?)",
- DB_INT, id->get_type(id), DB_BLOB, id->get_encoding(id)) == 1)
- {
- return row;
- }
- return 0;
-}
-
-/**
- * Lookup pool by name
- */
-static u_int get_pool(private_sql_attribute_t *this, char *name, u_int *timeout)
-{
- enumerator_t *e;
- u_int pool;
-
- e = this->db->query(this->db, "SELECT id, timeout FROM pools WHERE name = ?",
- DB_TEXT, name, DB_UINT, DB_UINT);
- if (e && e->enumerate(e, &pool, timeout))
- {
- e->destroy(e);
- return pool;
- }
- DESTROY_IF(e);
- return 0;
-}
-
-/**
- * Look up an existing lease
- */
-static host_t* check_lease(private_sql_attribute_t *this, char *name,
- u_int pool, u_int identity)
-{
- while (TRUE)
- {
- u_int id;
- chunk_t address;
- enumerator_t *e;
- time_t now = time(NULL);
-
- e = this->db->query(this->db,
- "SELECT id, address FROM addresses "
- "WHERE pool = ? AND identity = ? AND released != 0 LIMIT 1",
- DB_UINT, pool, DB_UINT, identity, DB_UINT, DB_BLOB);
- if (!e || !e->enumerate(e, &id, &address))
- {
- DESTROY_IF(e);
- break;
- }
- address = chunk_clonea(address);
- e->destroy(e);
-
- if (this->db->execute(this->db, NULL,
- "UPDATE addresses SET acquired = ?, released = 0 "
- "WHERE id = ? AND identity = ? AND released != 0",
- DB_UINT, now, DB_UINT, id, DB_UINT, identity) > 0)
- {
- host_t *host;
-
- host = host_create_from_chunk(AF_UNSPEC, address, 0);
- if (host)
- {
- DBG1("acquired existing lease for address %H in pool '%s'",
- host, name);
- return host;
- }
- }
- }
- return NULL;
-}
-
-/**
- * We check for unallocated addresses or expired leases. First we select an
- * address as a candidate, but double check later on if it is still available
- * during the update operation. This allows us to work without locking.
- */
-static host_t* get_lease(private_sql_attribute_t *this, char *name,
- u_int pool, u_int timeout, u_int identity)
-{
- while (TRUE)
- {
- u_int id;
- chunk_t address;
- enumerator_t *e;
- time_t now = time(NULL);
- int hits;
-
- if (timeout)
- {
- /* check for an expired lease */
- e = this->db->query(this->db,
- "SELECT id, address FROM addresses "
- "WHERE pool = ? AND released != 0 AND released < ? LIMIT 1",
- DB_UINT, pool, DB_UINT, now - timeout, DB_UINT, DB_BLOB);
- }
- else
- {
- /* with static leases, check for an unallocated address */
- e = this->db->query(this->db,
- "SELECT id, address FROM addresses "
- "WHERE pool = ? AND identity = 0 LIMIT 1",
- DB_UINT, pool, DB_UINT, DB_BLOB);
-
- }
-
- if (!e || !e->enumerate(e, &id, &address))
- {
- DESTROY_IF(e);
- break;
- }
- address = chunk_clonea(address);
- e->destroy(e);
-
- if (timeout)
- {
- hits = this->db->execute(this->db, NULL,
- "UPDATE addresses SET "
- "acquired = ?, released = 0, identity = ? "
- "WHERE id = ? AND released != 0 AND released < ?",
- DB_UINT, now, DB_UINT, identity,
- DB_UINT, id, DB_UINT, now - timeout);
- }
- else
- {
- hits = this->db->execute(this->db, NULL,
- "UPDATE addresses SET "
- "acquired = ?, released = 0, identity = ? "
- "WHERE id = ? AND identity = 0",
- DB_UINT, now, DB_UINT, identity, DB_UINT, id);
- }
- if (hits > 0)
- {
- host_t *host;
-
- host = host_create_from_chunk(AF_UNSPEC, address, 0);
- if (host)
- {
- DBG1("acquired new lease for address %H in pool '%s'",
- host, name);
- return host;
- }
- }
- }
- DBG1("no available address found in pool '%s'", name);
- return NULL;
-}
-
-/**
- * Implementation of attribute_provider_t.acquire_address
- */
-static host_t* acquire_address(private_sql_attribute_t *this,
- char *names, identification_t *id,
- host_t *requested)
-{
- host_t *address = NULL;
- u_int identity, pool, timeout;
-
- identity = get_identity(this, id);
- if (identity)
- {
- /* check for a single pool first (no concatenation and enumeration) */
- if (strchr(names, ',') == NULL)
- {
- pool = get_pool(this, names, &timeout);
- if (pool)
- {
- /* check for an existing lease */
- address = check_lease(this, names, pool, identity);
- if (address == NULL)
- {
- /* get an unallocated address or expired lease */
- address = get_lease(this, names, pool, timeout, identity);
- }
- }
- }
- else
- {
- enumerator_t *enumerator;
- char *name;
-
- /* in a first step check for an existing lease over all pools */
- enumerator = enumerator_create_token(names, ",", " ");
- while (enumerator->enumerate(enumerator, &name))
- {
- pool = get_pool(this, name, &timeout);
- if (pool)
- {
- address = check_lease(this, name, pool, identity);
- if (address)
- {
- enumerator->destroy(enumerator);
- return address;
- }
- }
- }
- enumerator->destroy(enumerator);
-
- /* in a second step get an unallocated address or expired lease */
- enumerator = enumerator_create_token(names, ",", " ");
- while (enumerator->enumerate(enumerator, &name))
- {
- pool = get_pool(this, name, &timeout);
- if (pool)
- {
- address = get_lease(this, name, pool, timeout, identity);
- if (address)
- {
- break;
- }
- }
- }
- enumerator->destroy(enumerator);
- }
- }
- return address;
-}
-
-/**
- * Implementation of attribute_provider_t.release_address
- */
-static bool release_address(private_sql_attribute_t *this,
- char *name, host_t *address, identification_t *id)
-{
- enumerator_t *enumerator;
- bool found = FALSE;
- time_t now = time(NULL);
-
- enumerator = enumerator_create_token(name, ",", " ");
- while (enumerator->enumerate(enumerator, &name))
- {
- u_int pool, timeout;
-
- pool = get_pool(this, name, &timeout);
- if (pool)
- {
- if (this->history)
- {
- this->db->execute(this->db, NULL,
- "INSERT INTO leases (address, identity, acquired, released)"
- " SELECT id, identity, acquired, ? FROM addresses "
- " WHERE pool = ? AND address = ?",
- DB_UINT, now, DB_UINT, pool,
- DB_BLOB, address->get_address(address));
- }
- if (this->db->execute(this->db, NULL,
- "UPDATE addresses SET released = ? WHERE "
- "pool = ? AND address = ?", DB_UINT, time(NULL),
- DB_UINT, pool, DB_BLOB, address->get_address(address)) > 0)
- {
- found = TRUE;
- break;
- }
- }
- }
- enumerator->destroy(enumerator);
- return found;
-}
-
-/**
- * Implementation of sql_attribute_t.create_attribute_enumerator
- */
-static enumerator_t* create_attribute_enumerator(private_sql_attribute_t *this,
- identification_t *id, host_t *vip)
-{
- if (vip)
- {
- enumerator_t *enumerator;
-
- enumerator = this->db->query(this->db,
- "SELECT type, value FROM attributes", DB_INT, DB_BLOB);
- if (enumerator)
- {
- return enumerator;
- }
- }
- return enumerator_create_empty();
-}
-
-/**
- * Implementation of sql_attribute_t.destroy
- */
-static void destroy(private_sql_attribute_t *this)
-{
- free(this);
-}
-
-/*
- * see header file
- */
-sql_attribute_t *sql_attribute_create(database_t *db)
-{
- private_sql_attribute_t *this = malloc_thing(private_sql_attribute_t);
- time_t now = time(NULL);
-
- this->public.provider.acquire_address = (host_t*(*)(attribute_provider_t *this, char*, identification_t *, host_t *))acquire_address;
- this->public.provider.release_address = (bool(*)(attribute_provider_t *this, char*,host_t *, identification_t*))release_address;
- this->public.provider.create_attribute_enumerator = (enumerator_t*(*)(attribute_provider_t*, identification_t *id, host_t *host))create_attribute_enumerator;
- this->public.destroy = (void(*)(sql_attribute_t*))destroy;
-
- this->db = db;
- this->history = lib->settings->get_bool(lib->settings,
- "libstrongswan.plugins.attr-sql.lease_history", TRUE);
-
- /* close any "online" leases in the case we crashed */
- if (this->history)
- {
- this->db->execute(this->db, NULL,
- "INSERT INTO leases (address, identity, acquired, released)"
- " SELECT id, identity, acquired, ? FROM addresses "
- " WHERE released = 0", DB_UINT, now);
- }
- this->db->execute(this->db, NULL,
- "UPDATE addresses SET released = ? WHERE released = 0",
- DB_UINT, now);
- return &this->public;
-}
-
+++ /dev/null
-/*
- * Copyright (C) 2008 Martin Willi
- * Hochschule fuer Technik Rapperswil
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
- * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- * for more details.
- */
-
-/**
- * @defgroup sql_attribute sql_attribute
- * @{ @ingroup attr_sql
- */
-
-#ifndef SQL_ATTRIBUTE_H_
-#define SQL_ATTRIBUTE_H_
-
-#include <attributes/attribute_provider.h>
-#include <database/database.h>
-
-typedef struct sql_attribute_t sql_attribute_t;
-
-/**
- * SQL database based IKEv2 cfg attribute provider.
- */
-struct sql_attribute_t {
-
- /**
- * Implements attribute provider interface
- */
- attribute_provider_t provider;
-
- /**
- * Destroy a sql_attribute instance.
- */
- void (*destroy)(sql_attribute_t *this);
-};
-
-/**
- * Create a sql_attribute instance.
- */
-sql_attribute_t *sql_attribute_create(database_t *db);
-
-#endif /** SQL_ATTRIBUTE_H_ @}*/
projects / strongswan.git / commitdiff