diff options
Diffstat (limited to 'src/libcharon/plugins/certexpire')
| -rw-r--r-- | src/libcharon/plugins/certexpire/Makefile.am | 19 | ||||
| -rw-r--r-- | src/libcharon/plugins/certexpire/Makefile.in | 621 | ||||
| -rw-r--r-- | src/libcharon/plugins/certexpire/certexpire_cron.c | 227 | ||||
| -rw-r--r-- | src/libcharon/plugins/certexpire/certexpire_cron.h | 67 | ||||
| -rw-r--r-- | src/libcharon/plugins/certexpire/certexpire_export.c | 388 | ||||
| -rw-r--r-- | src/libcharon/plugins/certexpire/certexpire_export.h | 52 | ||||
| -rw-r--r-- | src/libcharon/plugins/certexpire/certexpire_listener.c | 148 | ||||
| -rw-r--r-- | src/libcharon/plugins/certexpire/certexpire_listener.h | 54 | ||||
| -rw-r--r-- | src/libcharon/plugins/certexpire/certexpire_plugin.c | 82 | ||||
| -rw-r--r-- | src/libcharon/plugins/certexpire/certexpire_plugin.h | 42 |
10 files changed, 1700 insertions, 0 deletions
diff --git a/src/libcharon/plugins/certexpire/Makefile.am b/src/libcharon/plugins/certexpire/Makefile.am new file mode 100644 index 000000000..9aa0daad3 --- /dev/null +++ b/src/libcharon/plugins/certexpire/Makefile.am @@ -0,0 +1,19 @@ + +INCLUDES = -I$(top_srcdir)/src/libstrongswan -I$(top_srcdir)/src/libhydra \ + -I$(top_srcdir)/src/libcharon + +AM_CFLAGS = -rdynamic \ + -DIPSEC_PIDDIR=\"${piddir}\" + +if MONOLITHIC +noinst_LTLIBRARIES = libstrongswan-certexpire.la +else +plugin_LTLIBRARIES = libstrongswan-certexpire.la +endif + +libstrongswan_certexpire_la_SOURCES = certexpire_plugin.h certexpire_plugin.c \ + certexpire_listener.h certexpire_listener.c \ + certexpire_export.h certexpire_export.c \ + certexpire_cron.h certexpire_cron.c + +libstrongswan_certexpire_la_LDFLAGS = -module -avoid-version diff --git a/src/libcharon/plugins/certexpire/Makefile.in b/src/libcharon/plugins/certexpire/Makefile.in new file mode 100644 index 000000000..929cce20c --- /dev/null +++ b/src/libcharon/plugins/certexpire/Makefile.in @@ -0,0 +1,621 @@ +# Makefile.in generated by automake 1.11.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, +# 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, +# Inc. +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ + +VPATH = @srcdir@ +pkgdatadir = $(datadir)/@PACKAGE@ +pkgincludedir = $(includedir)/@PACKAGE@ +pkglibdir = $(libdir)/@PACKAGE@ +pkglibexecdir = $(libexecdir)/@PACKAGE@ +am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd +install_sh_DATA = $(install_sh) -c -m 644 +install_sh_PROGRAM = $(install_sh) -c +install_sh_SCRIPT = $(install_sh) -c +INSTALL_HEADER = $(INSTALL_DATA) +transform = $(program_transform_name) +NORMAL_INSTALL = : +PRE_INSTALL = : +POST_INSTALL = : +NORMAL_UNINSTALL = : +PRE_UNINSTALL = : +POST_UNINSTALL = : +build_triplet = @build@ +host_triplet = @host@ +subdir = src/libcharon/plugins/certexpire +DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in +ACLOCAL_M4 = $(top_srcdir)/aclocal.m4 +am__aclocal_m4_deps = $(top_srcdir)/m4/config/libtool.m4 \ + $(top_srcdir)/m4/config/ltoptions.m4 \ + $(top_srcdir)/m4/config/ltsugar.m4 \ + $(top_srcdir)/m4/config/ltversion.m4 \ + $(top_srcdir)/m4/config/lt~obsolete.m4 \ + $(top_srcdir)/m4/macros/with.m4 \ + $(top_srcdir)/m4/macros/enable-disable.m4 \ + $(top_srcdir)/m4/macros/add-plugin.m4 \ + $(top_srcdir)/configure.in +am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \ + $(ACLOCAL_M4) +mkinstalldirs = $(install_sh) -d +CONFIG_CLEAN_FILES = 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"$(DESTDIR)$(plugindir)" +LTLIBRARIES = $(noinst_LTLIBRARIES) $(plugin_LTLIBRARIES) +libstrongswan_certexpire_la_LIBADD = +am_libstrongswan_certexpire_la_OBJECTS = certexpire_plugin.lo \ + certexpire_listener.lo certexpire_export.lo certexpire_cron.lo +libstrongswan_certexpire_la_OBJECTS = \ + $(am_libstrongswan_certexpire_la_OBJECTS) +libstrongswan_certexpire_la_LINK = $(LIBTOOL) --tag=CC \ + $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=link $(CCLD) \ + $(AM_CFLAGS) $(CFLAGS) $(libstrongswan_certexpire_la_LDFLAGS) \ + $(LDFLAGS) -o $@ +@MONOLITHIC_FALSE@am_libstrongswan_certexpire_la_rpath = -rpath \ +@MONOLITHIC_FALSE@ $(plugindir) +@MONOLITHIC_TRUE@am_libstrongswan_certexpire_la_rpath = +DEFAULT_INCLUDES = -I.@am__isrc@ +depcomp = $(SHELL) $(top_srcdir)/depcomp +am__depfiles_maybe = depfiles +am__mv = mv -f +COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \ + $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) +LTCOMPILE = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \ + --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) \ + $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) +CCLD = $(CC) +LINK = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \ + --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) $(AM_LDFLAGS) \ + $(LDFLAGS) -o $@ +SOURCES = $(libstrongswan_certexpire_la_SOURCES) +DIST_SOURCES = $(libstrongswan_certexpire_la_SOURCES) +ETAGS = etags +CTAGS = ctags +DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST) +ACLOCAL = @ACLOCAL@ +ALLOCA = @ALLOCA@ +AMTAR = @AMTAR@ +AR = @AR@ +AUTOCONF = @AUTOCONF@ +AUTOHEADER = @AUTOHEADER@ +AUTOMAKE = @AUTOMAKE@ +AWK = @AWK@ +BTLIB = @BTLIB@ +CC = @CC@ +CCDEPMODE = @CCDEPMODE@ +CFLAGS = @CFLAGS@ +CPP = @CPP@ +CPPFLAGS = @CPPFLAGS@ +CYGPATH_W = @CYGPATH_W@ +DEFS = @DEFS@ +DEPDIR = @DEPDIR@ +DLLIB = @DLLIB@ +DSYMUTIL = @DSYMUTIL@ +DUMPBIN = @DUMPBIN@ +ECHO_C = @ECHO_C@ +ECHO_N = @ECHO_N@ +ECHO_T = @ECHO_T@ +EGREP = @EGREP@ +EXEEXT = @EXEEXT@ +FGREP = @FGREP@ +GPERF = @GPERF@ +GREP = @GREP@ +INSTALL = @INSTALL@ +INSTALL_DATA = @INSTALL_DATA@ +INSTALL_PROGRAM = @INSTALL_PROGRAM@ +INSTALL_SCRIPT = @INSTALL_SCRIPT@ +INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@ +LD = @LD@ +LDFLAGS = @LDFLAGS@ +LEX = @LEX@ +LEXLIB = @LEXLIB@ +LEX_OUTPUT_ROOT = @LEX_OUTPUT_ROOT@ +LIBOBJS = @LIBOBJS@ +LIBS = @LIBS@ +LIBTOOL = @LIBTOOL@ +LIPO = @LIPO@ +LN_S = @LN_S@ +LTLIBOBJS = @LTLIBOBJS@ +MAKEINFO = @MAKEINFO@ +MKDIR_P = @MKDIR_P@ +MYSQLCFLAG = @MYSQLCFLAG@ +MYSQLCONFIG = @MYSQLCONFIG@ +MYSQLLIB = @MYSQLLIB@ +NM = @NM@ +NMEDIT = @NMEDIT@ +OBJDUMP = @OBJDUMP@ +OBJEXT = @OBJEXT@ +OTOOL = @OTOOL@ +OTOOL64 = @OTOOL64@ +PACKAGE = @PACKAGE@ +PACKAGE_BUGREPORT = @PACKAGE_BUGREPORT@ +PACKAGE_NAME = @PACKAGE_NAME@ +PACKAGE_STRING = @PACKAGE_STRING@ +PACKAGE_TARNAME = @PACKAGE_TARNAME@ +PACKAGE_URL = @PACKAGE_URL@ +PACKAGE_VERSION = @PACKAGE_VERSION@ +PATH_SEPARATOR = @PATH_SEPARATOR@ +PERL = @PERL@ +PKG_CONFIG = @PKG_CONFIG@ +PKG_CONFIG_LIBDIR = @PKG_CONFIG_LIBDIR@ +PKG_CONFIG_PATH = @PKG_CONFIG_PATH@ +PTHREADLIB = @PTHREADLIB@ +RANLIB = @RANLIB@ +RTLIB = @RTLIB@ +RUBY = @RUBY@ +RUBYINCLUDE = @RUBYINCLUDE@ +SED = @SED@ +SET_MAKE = @SET_MAKE@ +SHELL = @SHELL@ +SOCKLIB = @SOCKLIB@ +STRIP = @STRIP@ +VERSION = @VERSION@ +YACC = @YACC@ +YFLAGS = @YFLAGS@ +abs_builddir = @abs_builddir@ +abs_srcdir = @abs_srcdir@ +abs_top_builddir = @abs_top_builddir@ +abs_top_srcdir = @abs_top_srcdir@ +ac_ct_CC = @ac_ct_CC@ +ac_ct_DUMPBIN = @ac_ct_DUMPBIN@ +am__include = @am__include@ +am__leading_dot = @am__leading_dot@ +am__quote = @am__quote@ +am__tar = @am__tar@ +am__untar = @am__untar@ +attest_plugins = @attest_plugins@ +axis2c_CFLAGS = @axis2c_CFLAGS@ +axis2c_LIBS = @axis2c_LIBS@ +bindir = @bindir@ +build = @build@ +build_alias = @build_alias@ +build_cpu = @build_cpu@ +build_os = @build_os@ +build_vendor = @build_vendor@ +builddir = @builddir@ +c_plugins = @c_plugins@ +clearsilver_LIBS = @clearsilver_LIBS@ +datadir = @datadir@ +datarootdir = @datarootdir@ +dbusservicedir = @dbusservicedir@ +default_pkcs11 = @default_pkcs11@ +docdir = @docdir@ +dvidir = @dvidir@ +exec_prefix = @exec_prefix@ +gtk_CFLAGS = @gtk_CFLAGS@ +gtk_LIBS = @gtk_LIBS@ +h_plugins = @h_plugins@ +host = @host@ +host_alias = @host_alias@ +host_cpu = @host_cpu@ +host_os = @host_os@ +host_vendor = @host_vendor@ +htmldir = @htmldir@ +imcvdir = @imcvdir@ +includedir = @includedir@ +infodir = @infodir@ +install_sh = @install_sh@ +ipsecdir = @ipsecdir@ +ipsecgroup = @ipsecgroup@ +ipseclibdir = @ipseclibdir@ +ipsecuser = @ipsecuser@ +libcharon_plugins = @libcharon_plugins@ +libdir = @libdir@ +libexecdir = @libexecdir@ +linux_headers = @linux_headers@ +localedir = @localedir@ +localstatedir = @localstatedir@ +lt_ECHO = @lt_ECHO@ +maemo_CFLAGS = @maemo_CFLAGS@ +maemo_LIBS = @maemo_LIBS@ +manager_plugins = @manager_plugins@ +mandir = @mandir@ +medsrv_plugins = @medsrv_plugins@ +mkdir_p = @mkdir_p@ +nm_CFLAGS = @nm_CFLAGS@ +nm_LIBS = @nm_LIBS@ +nm_ca_dir = @nm_ca_dir@ +oldincludedir = @oldincludedir@ +openac_plugins = @openac_plugins@ +p_plugins = @p_plugins@ +pcsclite_CFLAGS = @pcsclite_CFLAGS@ +pcsclite_LIBS = @pcsclite_LIBS@ +pdfdir = @pdfdir@ +piddir = @piddir@ +pki_plugins = @pki_plugins@ +plugindir = @plugindir@ +pluto_plugins = @pluto_plugins@ +pool_plugins = @pool_plugins@ +prefix = @prefix@ +program_transform_name = @program_transform_name@ +psdir = @psdir@ +random_device = @random_device@ +resolv_conf = @resolv_conf@ +routing_table = @routing_table@ +routing_table_prio = @routing_table_prio@ +s_plugins = @s_plugins@ +sbindir = @sbindir@ +scepclient_plugins = @scepclient_plugins@ +scripts_plugins = @scripts_plugins@ +sharedstatedir = @sharedstatedir@ +soup_CFLAGS = @soup_CFLAGS@ +soup_LIBS = @soup_LIBS@ +srcdir = @srcdir@ +starter_plugins = @starter_plugins@ +strongswan_conf = @strongswan_conf@ +sysconfdir = @sysconfdir@ +systemdsystemunitdir = @systemdsystemunitdir@ +target_alias = @target_alias@ +top_build_prefix = @top_build_prefix@ +top_builddir = 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install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \ + `test -z '$(STRIP)' || \ + echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install +mostlyclean-generic: + +clean-generic: + +distclean-generic: + -test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES) + -test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES) + +maintainer-clean-generic: + @echo "This command is intended for maintainers to use" + @echo "it deletes files that may require special tools to rebuild." +clean: clean-am + +clean-am: clean-generic clean-libtool clean-noinstLTLIBRARIES \ + clean-pluginLTLIBRARIES mostlyclean-am + +distclean: distclean-am + -rm -rf ./$(DEPDIR) + -rm -f Makefile +distclean-am: clean-am distclean-compile distclean-generic \ + distclean-tags + +dvi: dvi-am + +dvi-am: + +html: html-am + +html-am: + +info: info-am + +info-am: + +install-data-am: install-pluginLTLIBRARIES + +install-dvi: install-dvi-am + +install-dvi-am: + 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install-exec \ + install-exec-am install-html install-html-am install-info \ + install-info-am install-man install-pdf install-pdf-am \ + install-pluginLTLIBRARIES install-ps install-ps-am \ + install-strip installcheck installcheck-am installdirs \ + maintainer-clean maintainer-clean-generic mostlyclean \ + mostlyclean-compile mostlyclean-generic mostlyclean-libtool \ + pdf pdf-am ps ps-am tags uninstall uninstall-am \ + uninstall-pluginLTLIBRARIES + + +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/src/libcharon/plugins/certexpire/certexpire_cron.c b/src/libcharon/plugins/certexpire/certexpire_cron.c new file mode 100644 index 000000000..e8cd4bfd8 --- /dev/null +++ b/src/libcharon/plugins/certexpire/certexpire_cron.c @@ -0,0 +1,227 @@ +/* + * Copyright (C) 2011 Martin Willi + * Copyright (C) 2011 revosec AG + * + * 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 "certexpire_cron.h" + +#include <time.h> + +#include <debug.h> +#include <processing/jobs/callback_job.h> + +typedef struct private_certexpire_cron_t private_certexpire_cron_t; + +/** + * Private data of an certexpire_cron_t object. + */ +struct private_certexpire_cron_t { + + /** + * Public certexpire_cron_t interface. + */ + certexpire_cron_t public; + + /** + * time when to run export job + */ + struct { + bool m[60]; + bool h[24]; + bool d[32]; + bool my[13]; + bool dw[8]; + } cron; + + /** + * Callback function to execute + */ + certexpire_cron_job_t job; + + /** + * Data to pass to callback + */ + void *data; +}; + +/** + * Check if we should execute the export job + */ +static job_requeue_t check_cron(private_certexpire_cron_t *this) +{ + struct tm tm; + time_t t; + + t = time(NULL); + localtime_r(&t, &tm); + + /* recheck every minute at second 0 */ + lib->scheduler->schedule_job(lib->scheduler, + (job_t*)callback_job_create_with_prio((callback_job_cb_t)check_cron, + this, NULL, NULL, JOB_PRIO_CRITICAL), 60 - tm.tm_sec); + + /* skip this minute if we had a large negative time shift */ + if (tm.tm_sec <= 30) + { + if (this->cron.m[tm.tm_min] && + this->cron.h[tm.tm_hour] && + this->cron.d[tm.tm_mday] && + this->cron.my[tm.tm_mon + 1] && + (this->cron.dw[tm.tm_wday] || + (this->cron.dw[7] && tm.tm_wday == 0))) + { + this->job(this->data); + } + } + return JOB_REQUEUE_NONE; +} + +/** + * Parse a cron range component into boolean fields + */ +static void parse_ranges(bool *fields, char *label, int mi, int ma, char *range) +{ + enumerator_t *enumerator; + int from, to, i; + + if (streq(range, "*")) + { + for (i = mi; i <= ma; i++) + { + fields[i] = TRUE; + } + } + else + { + enumerator = enumerator_create_token(range, ",", ""); + while (enumerator->enumerate(enumerator, &range)) + { + switch (sscanf(range, "%d-%d", &from, &to)) + { + case 1: /* single value */ + if (from >= mi && from <= ma) + { + fields[from] = TRUE; + } + else + { + DBG1(DBG_CFG, "ignoring cron %s %d, out of range", + label, from); + } + break; + case 2: /* range */ + if (from < mi) + { + DBG1(DBG_CFG, "cron %s out of range, shortening start " + "from %d to %d", label, from, mi); + from = mi; + } + if (to > ma) + { + DBG1(DBG_CFG, "cron %s out of range, shortening end " + "from %d to %d", label, to, ma); + to = ma; + } + for (i = from; i <= to; i++) + { + fields[i] = TRUE; + } + break; + default: + break; + } + } + enumerator->destroy(enumerator); + } + DBG3(DBG_CFG, "cron job with enabled %ss:", label); + for (i = mi; i <= ma; i++) + { + if (fields[i]) + { + DBG3(DBG_CFG, " %d", i); + } + } +} + +/** + * Start cron processing, if configured + */ +static void start_cron(private_certexpire_cron_t *this, char *cron) +{ + enumerator_t *enumerator; + int i = 0; + + enumerator = enumerator_create_token(cron, " ", " "); + for (i = 0; i < 5; i++) + { + if (!enumerator->enumerate(enumerator, &cron)) + { + DBG1(DBG_CFG, "cron misses a field, using '*'"); + cron = "*"; + } + switch (i) + { + case 0: + parse_ranges(this->cron.m, "minute", 0, 59, cron); + break; + case 1: + parse_ranges(this->cron.h, "hour", 0, 23, cron); + break; + case 2: + parse_ranges(this->cron.d, "day", 1, 31, cron); + break; + case 3: + parse_ranges(this->cron.my, "month", 1, 12, cron); + break; + case 4: + parse_ranges(this->cron.dw, "weekday", 0, 7, cron); + break; + default: + break; + } + } + if (enumerator->enumerate(enumerator, &cron)) + { + DBG1(DBG_CFG, "ignoring extra fields in cron"); + } + enumerator->destroy(enumerator); + + check_cron(this); +} + +METHOD(certexpire_cron_t, destroy, void, + private_certexpire_cron_t *this) +{ + free(this); +} + +/** + * See header + */ +certexpire_cron_t *certexpire_cron_create(char *cron, certexpire_cron_job_t job, + void *data) +{ + private_certexpire_cron_t *this; + + INIT(this, + .public = { + .destroy = _destroy, + }, + .job = job, + .data = data, + ); + + start_cron(this, cron); + + return &this->public; +} diff --git a/src/libcharon/plugins/certexpire/certexpire_cron.h b/src/libcharon/plugins/certexpire/certexpire_cron.h new file mode 100644 index 000000000..0d6623d7f --- /dev/null +++ b/src/libcharon/plugins/certexpire/certexpire_cron.h @@ -0,0 +1,67 @@ +/* + * Copyright (C) 2011 Martin Willi + * Copyright (C) 2011 revosec AG + * + * 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 certexpire_cron certexpire_cron + * @{ @ingroup certexpire + */ + +#ifndef CERTEXPIRE_CRON_H_ +#define CERTEXPIRE_CRON_H_ + +typedef struct certexpire_cron_t certexpire_cron_t; + +/** + * Callback function invoked by cron. + * + * @param data user specified callback data + */ +typedef void (*certexpire_cron_job_t)(void *data); + +/** + * Cron style job scheduling. + */ +struct certexpire_cron_t { + + /** + * Destroy a certexpire_cron_t. + * + * It currently is not possible to savely cancel a cron job. Make sure + * any scheduled jobs have been canceled before cleaning up. + */ + void (*destroy)(certexpire_cron_t *this); +}; + +/** + * Create a certexpire_cron instance. + * + * The cron string takes numeric arguments only, but supports ranges (1-5) + * and selections (1,3,5), or a combination, space separated: + * minute hour day month weekday + * minute, 0-59 + * hour, 0-23 + * day, 1-31 + * month, 1-12 + * weekday, 0-7 (0 == 7 == sunday) + * man crontab(5) for details. + * + * @param cron cron style scheduling string + * @param job callback function to invoke + * @param data user data to pass to job + */ +certexpire_cron_t *certexpire_cron_create(char *cron, certexpire_cron_job_t job, + void *data); + +#endif /** CERTEXPIRE_CRON_H_ @}*/ diff --git a/src/libcharon/plugins/certexpire/certexpire_export.c b/src/libcharon/plugins/certexpire/certexpire_export.c new file mode 100644 index 000000000..c73b0beda --- /dev/null +++ b/src/libcharon/plugins/certexpire/certexpire_export.c @@ -0,0 +1,388 @@ +/* + * Copyright (C) 2011 Martin Willi + * Copyright (C) 2011 revosec AG + * + * 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 "certexpire_export.h" + +#include "certexpire_cron.h" + +#include <time.h> +#include <limits.h> +#include <errno.h> + +#include <debug.h> +#include <utils/hashtable.h> +#include <threading/mutex.h> +#include <credentials/certificates/x509.h> + +typedef struct private_certexpire_export_t private_certexpire_export_t; + +/** + * Private data of an certexpire_export_t object. + */ +struct private_certexpire_export_t { + + /** + * Public certexpire_export_t interface. + */ + certexpire_export_t public; + + /** + * hashtable caching local trustchains, mapping entry_t => entry_t + */ + hashtable_t *local; + + /** + * hashtable caching remote trustchains, mapping entry_t => entry_t + */ + hashtable_t *remote; + + /** + * Mutex to lock hashtables + */ + mutex_t *mutex; + + /** + * Cronjob for export + */ + certexpire_cron_t *cron; + + /** + * strftime() format to generate local CSV file + */ + char *local_path; + + /** + * strftime() format to generate remote CSV file + */ + char *remote_path; + + /** + * stftime() format of the exported expiration date + */ + char *format; + + /** + * CSV field separator + */ + char *separator; + + /** + * TRUE to use fixed field count, CA at end + */ + bool fixed_fields; + + /** + * String to use in empty fields, if using fixed_fields + */ + char *empty_string; +}; + +/** + * Maximum number of expiration dates we store (for subject + IM CAs + CA) + */ +#define MAX_TRUSTCHAIN_LENGTH 7 + +/** + * Hashtable entry + */ +typedef struct { + /** certificate subject as subjectAltName or CN of a DN */ + char id[128]; + /** list of expiration dates, 0 if no certificate */ + time_t expire[MAX_TRUSTCHAIN_LENGTH]; +} entry_t; + +/** + * Hashtable hash function + */ +static u_int hash(entry_t *key) +{ + return chunk_hash(chunk_create(key->id, strlen(key->id))); +} + +/** + * Hashtable equals function + */ +static bool equals(entry_t *a, entry_t *b) +{ + return streq(a->id, b->id); +} + +/** + * Export a single trustchain to a path + */ +static void export_csv(private_certexpire_export_t *this, char *path, + hashtable_t *chains) +{ + enumerator_t *enumerator; + char buf[PATH_MAX]; + entry_t *entry; + FILE *file; + struct tm tm; + time_t t; + int i; + + t = time(NULL); + localtime_r(&t, &tm); + + strftime(buf, sizeof(buf), path, &tm); + file = fopen(buf, "a"); + if (file) + { + DBG1(DBG_CFG, "exporting expiration dates of %d trustchain%s to '%s'", + chains->get_count(chains), + chains->get_count(chains) == 1 ? "" : "s", buf); + this->mutex->lock(this->mutex); + enumerator = chains->create_enumerator(chains); + while (enumerator->enumerate(enumerator, NULL, &entry)) + { + fprintf(file, "%s%s", entry->id, this->separator); + for (i = 0; i < MAX_TRUSTCHAIN_LENGTH; i++) + { + if (entry->expire[i]) + { + localtime_r(&entry->expire[i], &tm); + strftime(buf, sizeof(buf), this->format, &tm); + fprintf(file, "%s", buf); + } + if (i == MAX_TRUSTCHAIN_LENGTH - 1) + { + fprintf(file, "\n"); + } + else if (entry->expire[i]) + { + fprintf(file, "%s", this->separator); + } + else if (this->fixed_fields) + { + fprintf(file, "%s%s", this->empty_string, this->separator); + } + } + chains->remove_at(chains, enumerator); + free(entry); + } + enumerator->destroy(enumerator); + this->mutex->unlock(this->mutex); + fclose(file); + } + else + { + DBG1(DBG_CFG, "opening CSV file '%s' failed: %s", buf, strerror(errno)); + } +} + +/** + * Export cached trustchain expiration dates to CSV files + */ +static void cron_export(private_certexpire_export_t *this) +{ + if (this->local_path) + { + export_csv(this, this->local_path, this->local); + } + if (this->remote_path) + { + export_csv(this, this->remote_path, this->remote); + } +} + +METHOD(certexpire_export_t, add, void, + private_certexpire_export_t *this, linked_list_t *trustchain, bool local) +{ + enumerator_t *enumerator; + certificate_t *cert; + int count; + + /* don't store expiration dates if no path configured */ + if (local) + { + if (!this->local_path) + { + return; + } + } + else + { + if (!this->remote_path) + { + return; + } + } + + count = min(trustchain->get_count(trustchain), MAX_TRUSTCHAIN_LENGTH) - 1; + + enumerator = trustchain->create_enumerator(trustchain); + /* get subject cert */ + if (enumerator->enumerate(enumerator, &cert)) + { + identification_t *id; + entry_t *entry; + int i; + + INIT(entry); + + /* prefer FQDN subjectAltName... */ + if (cert->get_type(cert) == CERT_X509) + { + x509_t *x509 = (x509_t*)cert; + enumerator_t *sans; + + sans = x509->create_subjectAltName_enumerator(x509); + while (sans->enumerate(sans, &id)) + { + if (id->get_type(id) == ID_FQDN) + { + snprintf(entry->id, sizeof(entry->id), "%Y", id); + break; + } + } + sans->destroy(sans); + } + /* fallback to CN of DN */ + if (!entry->id[0]) + { + enumerator_t *parts; + id_part_t part; + chunk_t data; + + id = cert->get_subject(cert); + parts = id->create_part_enumerator(id); + while (parts->enumerate(parts, &part, &data)) + { + if (part == ID_PART_RDN_CN) + { + snprintf(entry->id, sizeof(entry->id), "%.*s", + (int)data.len, data.ptr); + break; + } + } + parts->destroy(parts); + } + /* no usable identity? skip */ + if (!entry->id[0]) + { + enumerator->destroy(enumerator); + free(entry); + return; + } + + /* get intermediate CA expiration dates */ + cert->get_validity(cert, NULL, NULL, &entry->expire[0]); + for (i = 1; i < count && enumerator->enumerate(enumerator, &cert); i++) + { + cert->get_validity(cert, NULL, NULL, &entry->expire[i]); + } + /* get CA expiration date, as last array entry */ + if (enumerator->enumerate(enumerator, &cert)) + { + cert->get_validity(cert, NULL, NULL, + &entry->expire[MAX_TRUSTCHAIN_LENGTH - 1]); + } + this->mutex->lock(this->mutex); + if (local) + { + entry = this->local->put(this->local, entry, entry); + } + else + { + entry = this->remote->put(this->remote, entry, entry); + } + this->mutex->unlock(this->mutex); + if (entry) + { + free(entry); + } + if (!this->cron) + { /* export directly if no cron job defined */ + if (local) + { + export_csv(this, this->local_path, this->local); + } + else + { + export_csv(this, this->remote_path, this->remote); + } + } + } + enumerator->destroy(enumerator); +} + +METHOD(certexpire_export_t, destroy, void, + private_certexpire_export_t *this) +{ + entry_t *key, *value; + enumerator_t *enumerator; + + enumerator = this->local->create_enumerator(this->local); + while (enumerator->enumerate(enumerator, &key, &value)) + { + free(value); + } + enumerator->destroy(enumerator); + enumerator = this->remote->create_enumerator(this->remote); + while (enumerator->enumerate(enumerator, &key, &value)) + { + free(value); + } + enumerator->destroy(enumerator); + + this->local->destroy(this->local); + this->remote->destroy(this->remote); + DESTROY_IF(this->cron); + this->mutex->destroy(this->mutex); + free(this); +} + +/** + * See header + */ +certexpire_export_t *certexpire_export_create() +{ + private_certexpire_export_t *this; + char *cron; + + INIT(this, + .public = { + .add = _add, + .destroy = _destroy, + }, + .local = hashtable_create((hashtable_hash_t)hash, + (hashtable_equals_t)equals, 4), + .remote = hashtable_create((hashtable_hash_t)hash, + (hashtable_equals_t)equals, 32), + .mutex = mutex_create(MUTEX_TYPE_DEFAULT), + .local_path = lib->settings->get_str(lib->settings, + "charon.plugins.certexpire.csv.local", NULL), + .remote_path = lib->settings->get_str(lib->settings, + "charon.plugins.certexpire.csv.remote", NULL), + .separator = lib->settings->get_str(lib->settings, + "charon.plugins.certexpire.csv.separator", ","), + .format = lib->settings->get_str(lib->settings, + "charon.plugins.certexpire.csv.format", "%d:%m:%Y"), + .fixed_fields = lib->settings->get_bool(lib->settings, + "charon.plugins.certexpire.csv.fixed_fields", TRUE), + .empty_string = lib->settings->get_str(lib->settings, + "charon.plugins.certexpire.csv.empty_string", ""), + ); + + cron = lib->settings->get_str(lib->settings, + "charon.plugins.certexpire.csv.cron", NULL); + if (cron) + { + this->cron = certexpire_cron_create(cron, + (certexpire_cron_job_t)cron_export, this); + } + return &this->public; +} diff --git a/src/libcharon/plugins/certexpire/certexpire_export.h b/src/libcharon/plugins/certexpire/certexpire_export.h new file mode 100644 index 000000000..64281d0bd --- /dev/null +++ b/src/libcharon/plugins/certexpire/certexpire_export.h @@ -0,0 +1,52 @@ +/* + * Copyright (C) 2011 Martin Willi + * Copyright (C) 2011 revosec AG + * + * 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 certexpire_export certexpire_export + * @{ @ingroup certexpire + */ + +#ifndef CERTEXPIRE_EXPORT_H_ +#define CERTEXPIRE_EXPORT_H_ + +typedef struct certexpire_export_t certexpire_export_t; + +#include <utils/linked_list.h> + +/** + * Caches and exports trustchain information to CSV files. + */ +struct certexpire_export_t { + + /** + * Add trustchain to cache for export. + * + * @param trustchain trustchain, sorted list of certificate_t + * @param local TRUE for own chain, FALSE for remote chain + */ + void (*add)(certexpire_export_t *this, linked_list_t *trustchain, bool local); + + /** + * Destroy a certexpire_export_t. + */ + void (*destroy)(certexpire_export_t *this); +}; + +/** + * Create a certexpire_export instance. + */ +certexpire_export_t *certexpire_export_create(); + +#endif /** CERTEXPIRE_EXPORT_H_ @}*/ diff --git a/src/libcharon/plugins/certexpire/certexpire_listener.c b/src/libcharon/plugins/certexpire/certexpire_listener.c new file mode 100644 index 000000000..4c9c6ff3b --- /dev/null +++ b/src/libcharon/plugins/certexpire/certexpire_listener.c @@ -0,0 +1,148 @@ +/* + * Copyright (C) 2011 Martin Willi + * Copyright (C) 2011 revosec AG + * + * 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 "certexpire_listener.h" + +#include <daemon.h> + +typedef struct private_certexpire_listener_t private_certexpire_listener_t; + +/** + * Private data of an certexpire_listener_t object. + */ +struct private_certexpire_listener_t { + + /** + * Public certexpire_listener_t interface. + */ + certexpire_listener_t public; + + /** + * Export facility + */ + certexpire_export_t *export; +}; + +METHOD(listener_t, authorize, bool, + private_certexpire_listener_t *this, ike_sa_t *ike_sa, + bool final, bool *success) +{ + enumerator_t *rounds, *enumerator; + certificate_t *cert, *ca = NULL; + linked_list_t *trustchain; + auth_cfg_t *auth; + auth_rule_t rule; + + /* Check all rounds in final hook, as local authentication data are + * not completely available after round-invocation. */ + if (!final) + { + return TRUE; + } + + /* collect local certificates */ + trustchain = linked_list_create(); + rounds = ike_sa->create_auth_cfg_enumerator(ike_sa, TRUE); + while (rounds->enumerate(rounds, &auth)) + { + cert = auth->get(auth, AUTH_RULE_SUBJECT_CERT); + if (cert) + { + trustchain->insert_last(trustchain, cert); + + enumerator = auth->create_enumerator(auth); + while (enumerator->enumerate(enumerator, &rule, &cert)) + { + if (rule == AUTH_RULE_IM_CERT) + { + trustchain->insert_last(trustchain, cert); + } + if (rule == AUTH_RULE_CA_CERT) + { + /* the last CA cert is the one used in the trustchain. + * Previous CA certificates have been received as cert + * requests. */ + ca = cert; + } + } + enumerator->destroy(enumerator); + if (ca) + { + trustchain->insert_last(trustchain, ca); + } + } + } + rounds->destroy(rounds); + this->export->add(this->export, trustchain, TRUE); + trustchain->destroy(trustchain); + + /* collect remote certificates */ + trustchain = linked_list_create(); + rounds = ike_sa->create_auth_cfg_enumerator(ike_sa, FALSE); + while (rounds->enumerate(rounds, &auth)) + { + cert = auth->get(auth, AUTH_RULE_SUBJECT_CERT); + if (cert) + { + trustchain->insert_last(trustchain, cert); + + enumerator = auth->create_enumerator(auth); + while (enumerator->enumerate(enumerator, &rule, &cert)) + { + if (rule == AUTH_RULE_IM_CERT) + { + trustchain->insert_last(trustchain, cert); + } + } + enumerator->destroy(enumerator); + + cert = auth->get(auth, AUTH_RULE_CA_CERT); + if (cert) + { + trustchain->insert_last(trustchain, cert); + } + } + } + rounds->destroy(rounds); + this->export->add(this->export, trustchain, FALSE); + trustchain->destroy(trustchain); + return TRUE; +} + +METHOD(certexpire_listener_t, destroy, void, + private_certexpire_listener_t *this) +{ + free(this); +} + +/** + * See header + */ +certexpire_listener_t *certexpire_listener_create(certexpire_export_t *export) +{ + private_certexpire_listener_t *this; + + INIT(this, + .public = { + .listener = { + .authorize = _authorize, + }, + .destroy = _destroy, + }, + .export = export, + ); + + return &this->public; +} diff --git a/src/libcharon/plugins/certexpire/certexpire_listener.h b/src/libcharon/plugins/certexpire/certexpire_listener.h new file mode 100644 index 000000000..8601ff585 --- /dev/null +++ b/src/libcharon/plugins/certexpire/certexpire_listener.h @@ -0,0 +1,54 @@ +/* + * Copyright (C) 2011 Martin Willi + * Copyright (C) 2011 revosec AG + * + * 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 certexpire_listener certexpire_listener + * @{ @ingroup certexpire + */ + +#ifndef CERTEXPIRE_LISTENER_H_ +#define CERTEXPIRE_LISTENER_H_ + +#include <bus/listeners/listener.h> + +#include "certexpire_export.h" + +typedef struct certexpire_listener_t certexpire_listener_t; + +/** + * Listener collecting certificate expire information after authentication. + */ +struct certexpire_listener_t { + + /** + * Implements listener_t interface. + */ + listener_t listener; + + /** + * Destroy a certexpire_listener_t. + */ + void (*destroy)(certexpire_listener_t *this); +}; + +/** + * Create a certexpire_listener instance. + * + * @param export facility exporting collected trustchains + * @return listener instance + */ +certexpire_listener_t *certexpire_listener_create(certexpire_export_t *export); + +#endif /** CERTEXPIRE_LISTENER_H_ @}*/ diff --git a/src/libcharon/plugins/certexpire/certexpire_plugin.c b/src/libcharon/plugins/certexpire/certexpire_plugin.c new file mode 100644 index 000000000..2b4c0b68b --- /dev/null +++ b/src/libcharon/plugins/certexpire/certexpire_plugin.c @@ -0,0 +1,82 @@ +/* + * Copyright (C) 2011 Martin Willi + * Copyright (C) 2011 revosec AG + * + * 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 "certexpire_plugin.h" + +#include "certexpire_listener.h" +#include "certexpire_export.h" + +#include <daemon.h> + +typedef struct private_certexpire_plugin_t private_certexpire_plugin_t; + +/** + * Private data of certexpire plugin + */ +struct private_certexpire_plugin_t { + + /** + * Implements plugin interface + */ + certexpire_plugin_t public; + + /** + * Listener collecting expire information + */ + certexpire_listener_t *listener; + + /** + * Cache and export trustchain expire information + */ + certexpire_export_t *export; +}; + +METHOD(plugin_t, get_name, char*, + private_certexpire_plugin_t *this) +{ + return "certexpire"; +} + +METHOD(plugin_t, destroy, void, + private_certexpire_plugin_t *this) +{ + charon->bus->remove_listener(charon->bus, &this->listener->listener); + this->listener->destroy(this->listener); + this->export->destroy(this->export); + free(this); +} + +/** + * Plugin constructor + */ +plugin_t *certexpire_plugin_create() +{ + private_certexpire_plugin_t *this; + + INIT(this, + .public = { + .plugin = { + .get_name = _get_name, + .reload = (void*)return_false, + .destroy = _destroy, + }, + }, + .export = certexpire_export_create(), + ); + this->listener = certexpire_listener_create(this->export), + charon->bus->add_listener(charon->bus, &this->listener->listener); + + return &this->public.plugin; +} diff --git a/src/libcharon/plugins/certexpire/certexpire_plugin.h b/src/libcharon/plugins/certexpire/certexpire_plugin.h new file mode 100644 index 000000000..bcb5606f5 --- /dev/null +++ b/src/libcharon/plugins/certexpire/certexpire_plugin.h @@ -0,0 +1,42 @@ +/* + * Copyright (C) 2011 Martin Willi + * Copyright (C) 2011 revosec AG + * + * 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 certexpire certexpire + * @ingroup cplugins + * + * @defgroup certexpire_plugin certexpire_plugin + * @{ @ingroup certexpire + */ + +#ifndef CERTEXPIRE_PLUGIN_H_ +#define CERTEXPIRE_PLUGIN_H_ + +#include <plugins/plugin.h> + +typedef struct certexpire_plugin_t certexpire_plugin_t; + +/** + * Plugin exporting expiration dates of used certificates to CSV files. + */ +struct certexpire_plugin_t { + + /** + * Implements plugin interface. + */ + plugin_t plugin; +}; + +#endif /** CERTEXPIRE_PLUGIN_H_ @}*/ |