source: trunk/docs/Changelog@ 279

2.7.0:
        * sh_utmp.c, sh_login_track.c: additional login checks
        * sh_unix.c: use SIGTTIN as alternative for SIGABRT
          (SIGABRT seems not to work on AIX, reported by Peter)
        * sh_utmp.c: fix compile error without pthreads (inotify_watch used)
        * sh_kern.c, kern_head.c: fix some 64bit issues
        * dnmalloc.c: fix compiler warning (ignored ret value)
        * Fix LSB init script for kernel module
        * samhain_kmem kernel module for /proc/kmem added

2.6.4:
        * Don't read proc_root_iops in sh_kern.c (Problem report
          by H. R.)
        * Logfile check can check output of shell commands
        * Use data directory as default for logfile checkpoints
        * Fix broken checkpoint save/restore for logfiles

2.6.3:
        * Fix bug in mail module, recipients incorrectly flagged
          as aliases, which breaks immediate mail for 'alert'
          (reported by Jesse)
        
2.6.2:
        * Makefile.in: fix problem in deploy system caused
          by adding build number for debs in 2.5.9 (reported
          by roman)
        * add option for per-rule email alias in log monitoring 
          module
        * sh_readconf.c: make keywords case-independent
        * sh_mail.c: on error, report full reply of mail server
        * sh_mail.c: report smtp transcript at debug level
        * make sure mail aliases are not emailed twice, and
          recipients cannot be defined after aliasing them
        * handle named pipes in log monitoring module
          (open in nonblocking mode, ignore read error if empty)
        * fix bug in the server function to probe for necessity
          of configuration reload for client

2.6.1b (23-12-2009):
        * fix missing include for sh_inotify.h in sh_inotify.c
          (reported by Ack)
        
2.6.1a (22-12-2009):
        * fix typo in code for older inotify versions without
          inotify_init1(), reported by Forll

2.6.1 (21-12-2009):
        * add a routine to log monitoring module to guess the proper year 
          for timestamps without year (standard syslog)
        * add feature to automatically detect and report bursts of
          similar messages in log monitoring module
        * add feature to check for missing heartbeat messages in
          log monitoring module
        * cache UIDs/GIDs to reduce the number of lookups
        * use inotify to track login/logout (sh_inotify.c, sh_utmp.c)
        * support event correlation in log monitoring module
        * make sure host matching is done in a case insensitive way
          (reported by Tracy)
        * fix invalid use of mutex_mlock in src/sh_unix.c, function 
          sh_unix_count_mlock() (reported by Remco Landegge).
        
2.6.0 (01-11-2009):
        * don't use statvfs() for process checking on FreeBSD
        * fix bug with parallel compilation of cutest in Makefile 
        * sh_mem.c: fix deadlock in debug-only code
        * Evaluate glob patterns for each run of file check
        * Add compile option to disable compiling with SSP
        * Run SUID check in seperate thread
        * By default disable scanning ..namedfork/rsrc (deprecated by Apple)

2.5.10 (12-10-2009):
        * sh_suidchk.c: handle $HOME/.gvfs mount gracefully
        * slib.c: fix race condition caused by closing a stream and the fd

2.5.9c (01-10-2009):
        * move stale file record error message closer to problem zone
        * sh_port2proc.c: fix flawed logic for interpreting /proc/net/udp,tcp
        
2.5.9b (22-09-2009):
        * remove stale file record when creating handle, and raise diagnostic
          error to find origin of stale record
        * sh_port2proc.c: check /proc/net/upd6 for IPv6-only UDP sockets

2.5.9a (17-09-2009):
        * fixed a race condition in closing of file handles

2.5.9 (11-09-2009):
        * added code to generate directory for pid file, since it
          would get cleaned if /var/run is a tmpfs mount (problem
          reported by M. Athanasiou)
        * fixed a bug that prevented reporting of user/executable path
          for open UDP ports (issue reported by N. Rath)
        * added more debugging code

2.5.8a (18-08-2009):
        * fixed a bug in sh_files.c that would prevent samhain from
          running on MacOS X (reported by David)

2.5.8 (06-08-2009):
        * fixed a bug in the MX resolver routine which causes it to fail 
          sometimes (issue reported by N. Rath).
        * fixed deadlock with mutex_listall in sh_nmail_test_recipients() if 
          error occurs within sh_nmail_flush (problem reported by N. Rath)
        
2.5.7 (21-07-2009):
        * sh_userfiles.c: set userUids = NULL at reconfiguration (issue
          reported by U. Melzer)
        * if available, use %z to print timezone as hour offset from GMT
          in email date headers (problem reported by NP, solution suggested
          by TimB).
        * eliminate C99-style comments (problem reported by
          venkat)
        * fix bad variable name for AC_CACHE_CHECK
        * fix potential deadlock when external programm is called
          (problem reported by A. Dunkel)
        
2.5.6 (09-06-2009):
        * recognize fdesc filesystem on MacOS X for suid check (Problem
          reported by David)

2.5.5 (01-05-2009):
        * fix some warnings from gcc 4.4 (strict aliasing)
        * fix minor memory leak in process check
        * t-test1.c: change function names because of clashes with an 
          AIX system header file
        * fix warnings with -fstack-check (too large stack frames)
        * fix for incorrect handling of hostnames in database insertion
          (reported by byron)
        
2.5.4 (04-03-2009):
        * fix for incorrect input check in SRP implementation (discovered
          by Thomas Ptacek)
        * option KernelCheckPCI to switch off check of PCI expansion ROMs
        
2.5.3 (25-02-2009):
        * disable dnmalloc on MacOS X, doesn't work properly
        * stat -> lstat in sh_unix_file_exists (OS X nameforks, report
          by David)
        * Fix problem in standalone trustfile, does not work correctly on
          group-writeable files (reported by David).
        * Option SetThrottle to throttle throughput for db download
        * Option SetConnectionTimeout to configure the client connection 
          timeout configurable
        * Provide getrpcbynumber, getservbyname implementations
          to avoid dependencies with static linkage
        * Fix missing sh.host.(system|release|machine) on FreeBSD,
          reported by D.Lowry
        * New option SetMailPort to allow setting of SMTP port (patch
          by lucas sizzo org)
        * allow POSIX regexes for filters
        * consolidate filtering code from sh_extern.c, sh_(n)mail.c
        * rewrite mail subsystem to allow individual filtering
          for recipients
        * allow shell expansion for values of config file options
        * allow list as value for option PortCheckInterface
        * fix bug in trustfile.c (with slapping on "/../" for symlinks)
        * lock baseline database upon writing
        
2.5.2b (29-01-2009):
        * turn warnings into errors in the compile test suite
        * fix missing define in sh_portcheck.c to eliminate compiler warning
          (reported by joerg)

2.5.2a (26-01-2009):
        * fix problem building deb package (bit rot; reported by joerg)

2.5.2 (22-01-2009):
        * samhain.c: report module failure with positive offset
        * sh_database.c: parse numerical fields into ulong
        * fix regression test script for postgresql
        * fix regression test script for SELinux/ACL test
        * fix reporting of user for open ports to prelude
        * report process pid for open ports
        * replace _exit() by raise(SIGKILL) b/o pthread problem
        * new option LooseDirCheck ([false]/true), request by 
          Alexander
        * improved help output of samhain_stealth (as suggested
          by Michael Athanasiou)
        * new option ProcessCheckIsOpenVZ ([false]/true)
        
2.5.1 (07-12-2008):
        * workaround for freebsd7 amd64 lossage (compiler toolchain, 
          no mmap to 32bit address space)
        * samhain-install.sh: check for presence of stealth_template.ps 
          before trying to create it
        * use -Wno-empty-body if supported to suppress warnings about
          glibc pthread_cleanup_pop implementation
        * fix text relocations for i386 in src/sh_tiger1.s
        * implement server->client SCAN command to initiate file check
        * implement @if / @else conditionals with more tests in config file
        * new option SetDropCache to drop checksummed files from cache
        * report process/user for open ports on FreeBSD (code
          lifted from FreeBSD sockstat.c)
        * fix for config reload issue with stealth mode (reported by
          siim)
        * add -fstack-protector flags to LDFLAGS
        * cygwin fix: don't use dnmalloc, doesn't work with pthreads
        * cygwin fix: make trust check in samhain-install.sh return zero
        * improved diagnostics for file read errors
        * fixed script permissions (754 -> 755), reported by Christoph
        * constness patch by Joe MacDonald
        * GnuPG key ID patch by Jim Dutton
        * sh_kern.c: more error checking for reads from kernel
        
2.5.0 (01-11-2008):
        * dnmalloc.c: fix inconsistent chunksize on 64bit systems
        * fix improved error reporting for failed fstat in checksumming
        * report process/user for open ports (Linux only currently)
        * fix deadlock on exit in sh_hash_init()
        * fix --enable-mounts-check for FreeBSD 7.0 (no MNT_NODEV anymore)
        * log monitoring support
        * fixed constness in trustfile interface
        * remove libprelude 0.8 support (obsolete)
        * sh_forward.c: increase TIME_OUT_DEF to 900 secs
        * dnmalloc.c: initialize rc in dnmalloc_fork_child(),
          reported by B. Podlipnik
        
2.4.6a (09-10-2008):
        * fix compile problem on Fedora 9 (reported by pierpaolo),
          'struct ucred' in sh_socket.c requires _GNU_SOURCE 
        
2.4.6 (27-08-2008):
        * fix compile failure on win2k/cygwin (sh_unix_mlock prototype),
          reported by jhamilton
        * fix potential deadlock with dnmalloc upon fork()
        * fix non-portable use of 'hostname -f' in regression test suite
          (reported by Borut Podlipnik)

2.4.5a (18-08-2008):
        * fix compile problem in dnmalloc.c (remove prototypes for
          memset/memcpy), problem reported by Juergen Daubert
        
2.4.5 (07-08-2008):
        * testscripts: 'chmod -R' -> 'chmod -f -R', since Solaris 10
          bails out on a chmod on a dangling link
        * fix bug in check_samhain.pl nagios script (J.-S. Eon)
        * use the UNO static checker
        * compile as position independent executable (PIE)
        * handle EINPROGRESS error (Windows/cygwin issue)
        * make sure every function uses less than one page of stack
          (proactive security against gap jumping, Gael Delalleau) 
        * use dnmalloc instead of system malloc
          (proactive security against heap buffer overflows)
        * fix dnmalloc bugs and portability problems
        * check for compressBound, since older zlibs don't have it
 
2.4.4 (30-04-2008):
        * sh_database.c: fix maximum size of sql query string, maximum 
          size of strings in struct dbins_
        * sh_hash.c: fix maximum size of message string
        * fix typo in the base64 decoder
        * fix 'make cutest' for parallel compiling
        * fix compile warnings with -Wstrict-prototypes
        * sh_static.c: override getgrgid, getpwuid for libacl
        * fix more warnings about variables clobbered by 'longjmp'
          or 'vfork' (due to library internal handling of mutexes)
        * fix configure warning about unused datarootdir
        * configure.ac: warn, but accept nonexistent tmp dir
          (Problem reported by Brian)
        * sh_unix.c: undef P_ALL, P_PID, P_PGID before including 
          sys/wait.h (compile problem reported by Reputation)
        * syslog function tested ok with Syslog Fuzzer v0.1 
          by Jaime Blasco (c) 2008
        * slib.c: call fflush when writing trace to file
        * sh_readconf.c: don't set OnlyStderr to false if gpg (problem
          reported by Irene Reed)
        * fix unconditional removal of pid file in atexit handler (bug
          reported by Brian)
        * fix invalid free() in sh_unix_checksum_size()
        * sh_processcheck.c: workaround for stupid OpenBSD bug (returns
          ENODEV instead of EAGAIN, because fgetc does 
          fcntl(0,F_SETFL,O_NONBLOCK) [ENODEV] internally), problem
          reported by Roman R.
        * fix buf that cause incomplete reporting of modified symlink if
          symlink has changed and both old and new paths are >48 bytes
        * fix bug that prevented mount check from running in one-shot mode
        * enable mount check for openbsd
        * fix processcheck default options and test script for openbsd
        * option --list-file to list content of file (if saved)
        * sh_tools.c: use strcasecmp in reverse lookup since DNS is case
          insensitive (bug reported by Phil)
        * fill content if MODI_TXT, zlib compress, base64 encode and add 
          as link_path in sh_unix.c; add to report in sh_hash.c
        * testsuite: add test for gpg fingerprint option
        * sh_extern.c: add 'CloseCommand' for syntactic sugar, 
          add in testsuite

2.4.3a (12-02-2008):
        * fix compile error caused by open() with O_CREAT and no third argument
          (reported by J.-S. Eon)

2.4.3 (31-01-2008):
        * sh_kern.c: don't require asm/segment.h for kernel check module
        * use global var with pid of initial thread instead of getpid(),
          since LinuxThreads returns different value in each thread (problem
          reported by Steffen Mueller)
        * sh_kern.c: no inode check for pci rom (creates spurious messages)
        * slib.c: eliminate prototype for vsnprintf (compile problem reported
          by eddy_cs)
        * Makefile.in: fix missing dependency on 'encode' for $(OBJECTS)
          (reported by Matthias Ehrmann)

2.4.2 (17-01-2008):
        * fix broken option --with-checksum (reported by halosfan),
          regression test added
        * change HP-UX default optimization to +O2 since +O3 breaks 
          cutest unit testing framework
        * put result vector of rng in skey struct
        * fix more compiler warnings, and a potential (compiler-dependent)
          NULL dereference in the unix entropy collector
        * fix some compiler warnings
        * use -D_FORTIFY_SOURCE=1 -fstack-protector-all instead
          of -fstack-protector
        * always add PTHREAD_CFLAGS to LDFLAGS
        * sh_tiger0.c: checksum functions return length of file hashed,
          needed to fix GrowingLogfile bug (researched by 
          siim at p6drad dash teel dot net)
        * sh_static.c: fix more 'label at end of compound statement'
          (SH_MUTEX_UNLOCK closing brace; reported anonymously)
        * make sh_hash.c thread-safe
        * remove plenty of tiny allocations
        * improve sh_mem_dump
        * modify port check to run as thread
        * new option PortCheckSkip to skip ports
        * fix unsetting of sh_thread_pause_flag (was too early)

2.4.1a (28-11-2007):
        * fix overwrite of ErrFlags (functionality bug)

2.4.1 (26-11-2007):
        * security fix: regression in the seeding routine for the PRNG 
          (detected by C. Mueller)
        * regression test added for PRNG seeding routine
        * fix problem with PCI ROM check (spurious messages about modified
          timestamps, reported by S. Clormann)

2.4.0a (08-11-2007):
        * fix compile failure with --enable-static (reported by S. Clormann)
        * fix potential deadlock if SIGHUP is received while suspended

2.4.0 (01-11-2007):
        * eliminate alarm() for I/O timeout (replaced by select)
        * use getgrgid_r, getpwnam_r, getpwuid_r, gmtime_r, localtime_r, 
          rand_r, strtok_r if available
        * protect readdir(), getpwent(), gethostname() with mutexes 
          (readdir_r considered harmful)
        * make checksum/hash, entropy, rng functions reentrant
        * use thread-specific conversion buffer for globber()
        * fixed compile problems and problems with test suite
        * modify login watch to run as thread
        * modify process check to run as thread

2.3.8 (03-10-2007):
        * new option PortCheckIgnore = interface:portlist

2.3.7 (13-09-2007):
        * Makefile.in: fix 'make deb' target, wrong name of config file
          written to debian/conffiles (reported by marc)
        * configure.ac: fix incorrect order of with-prelude, enable-static
          (libprelude test was always without -static)

2.3.6 (06-09-2007):
        * added yuleadmin.pl script contributed by Riccardo Murri
        * fix compile error with -f-stack-protector on some systems (reported
          by marc); we now check for libssp
        * fix local DoS attack on BSD systems lacking getpeereid() (reported
          by Rob Holland).
        * fix yulectl password reading from $HOME/.yulectl_cred, erroneously
          rejected passwords with exactly 14 chars (reported by Jerry Brown)
        * introduce 'fflags' flag for suid files to detect new files already 
          found in regular file check (problem reported by J. Crutchfield); 
          also add regression test to ascertain that files in baseline 
          database are not quarantined erroneously
        * sh_hash.c: replace check for prefix 'K' with check for not prefix'/'
          to allow for arbitrary module-specific store/lookup in db
        * replace 'visited', 'reported', 'allignore' with generic 'fflags' field
        * sh_cat.c: reduce priority of MSG_TCP_RESET to avoid spamming if
          port checking is used on same host as server (reported by kadafax)
        * Install.sh: don't use --separate-output with non-checklist
          widgets (problem discovered by D. Denton)
        * sh_gpg.c, sh_userfiles.c: use sh_getpwnam et al. wrappers

2.3.5 (20-06-2007):
        * sh_portcheck.c: try to tear down connections more gracefully
          (request by S. Petersen)
        * fix incorrect handling of files with zero size in GrowingLogFiles
          (problem reported by S. Petersen)
        * fix incorrect encoding of null checksums in stealth mode
        * sh_hash.c: fix repeated printing of acl/attributes in database dump
        * sh_unix.c: fix option useaclcheck ignored if both useaclcheck and 
          useselinuxcheck are supported

2.3.4 (01-05-2007):
        * sh_processcheck.c: fix missing init of sh_prochk_res array before 
          check (leads to degrading functionality over time and 'fake pid'
          warnings; reported by D. Ossenbrueggen and 
          soren dot petersen at musiker dot nu)
        * sh_processcheck.c: fix memory leak 
        * sh_kern.c: for 2.6.21+ don't check proc_root_lookup (not possible 
          anymore? proc_root_inode.lookup != proc_root_lookup)
        * sh_extern.c: flush streams before forking (problem if [Prelink]
          used together with prelude logging, reported by M. deJong)
        * fixed compilation of kern_head (regression cause by cross-compiling
          fix; problem reported by S. Clormann)
        * more typos fixed (reported by John Horne)

2.3.3 (27-03-2007):
        * fixed typos in configure.ac and manual (reported by John Horne)
        * don't use mysql_options on x86_64, since libmysql is broken
        * fixed cross-compiling (patch by Joe MacDonald)
        * refactor sh_kern.c, sh_suidchk.c
        * fix bug with leading slashes in linked path of symlinks within
          the root directory
        * sh_kern.c: check PCI ROM (Linux), refactor code
        * move file descriptor closing more towards program startup
        * kernel check: support OpenBSD 4.0 (wishlist)
        * fix samhain_hide module (in-)compatibility with recent kernels
          (reported by Jonny Halfmoon)

2.3.2 (29-01-2007):
        * fix regression in full stealth mode (incorrect comparison of
          bytes read vs. maximum capacity), reported by B. Fleming

2.3.1a (21-01-2007):
        * fix incorrect use of sh_gpg_fill_startup if option --with-fp is used
          (reported by zeroXten)
 
2.3.1 (21-01-2007):
        * fix bug that may cause accidental closure of yule TCP socket
          (problem reported by B. Masuda)
        * fix sh_kern.c for kernel 2.6.19 (reported by S. Clormann)
        * don't use sstrip in 'make deb', since dh_shlibdeps uses objdump
          (reported by B. Masuda)
        * rm report.pl from rules.deb.in (reported by B. Masuda)
        * samhainctl(): longer timeout (bad status reporting at startup,
          reported by Phil and by Dan Track)
        * sh_portcheck.c: make connect errors more descriptive
        * sh_portcheck.c: fix ignored setting of PortCheckActive
        * sh_processcheck.c: add statvfs, and wrap for EINTR
        * sh_portcheck.c: add wrappers for EINTR
        * report user and executable for hidden processes
        * fix update failure if reportonlyonce = false (reported
          by D. Strine)
        * fix compile error in sh_portcheck.c (problem on cygwin
          reported by J. D. Fiori)
        * check filenames ending in space (also for utf8 spaces)
        * check and escape csv formatted db listing
        * cache results of sl_trustfile_euid()
        * trustfile: use 4096 for MAXFILENAME, switch to strncpy
        * CL option -v|--version for info on version and compiled-in options
        
2.3.0a (01-11-2006):
        * fix compile failure with portcheck + stealth (reported by lucas)

2.3.0 (01-11-2006):
        * fix concurrency for inserts in oracle db
        * add acl_(new|old) to database schema
        * check for selix attributes and/or posix acl
        * new option UseSelinuxCheck (bool) 
        * new option UseAclCheck (bool)
        * regression tests for above
        * add module to check for open ports
        * add module to check processes (hidden/fake/missing)
        * use const char* for argument of module configuration callbacks
 
2.2.6 (31-10-2006):
        * fix missing support for MacOX X init script (reported
          by Daniel Kowalewski)
        * fix error about non-readable file with no checksum required
        * fix server warning about 'no server name known'
        * fix 'make deb' makefile target
        * fix default export severity for server
                        
2.2.5 (05-10-2006):
        * fix broken Install.sh, reported by Alexander Kraemer
        * workaround for glob(3) sillyness on MacOS X (reported by David)
        * fix for broken resorce fork check (reported by David)
        * fix for broken compilation on cygwin (reported by Elias)

2.2.4 (03-09-2006):
        * add regression test for the GrowingLogFiles issue to test suite
        * fixed sh_unix.c: bug in database init if GrowingLogFiles used
          with signed database (reported by Timothy Stotts)
        * bug in manual fixed (incorrect documentation of --enable-user,
          noticed by M. Brown)
        * rc.subr compatible init script for FreeBSD/NetBSD
        * improve routine to find rpm after build
        * add netbsd rc file from Brian Seklecki (taken from pkgsrc-wip)
        * fix error in manual (location of lock file)
        * fix bug with SuidExclude (files in directory were still checked)

2.2.3 (31-07-2006):
        * fix samhainadmin.pl: check for gpg-agent running if use-agent is set
          (ticket #28 by anonymous)
        * fix stealth mode (regression in parser), problem reported by 
          Joschi Kuphal
        * fix minor typo in sh_database.c (compile problem reported by
          Joschi Kuphal)

2.2.2 (17-07-2006)
        * minor fixes for regression test scripts
        * minor updates to the manual (suggested by Brian A. Seklecki)
        * fix sh_kern.c, kern_head.c: kernel rootkit detection for 2.6.17+
          (problem reported by Leonhard Maylein)
        * fix samhain_hide.c for 2.6.17+: use module_param() if MODULE_PARM
          is not defined

2.2.1c (11-07-2006)
        * fix sh_extern.c: sh_ext_add_default() cast to (void) was too early
          (Solaris 8 build failure reported by Jesse)
        * fix sh_unix.c: wrong prototype for sh_unix_mlock() 
          if HAVE_BROKEN_MLOCK (AIX 5.2 build failure reported by
          Jonathan Kaufman) 

2.2.1b (20-06-2006):
        * fix compile error on SuSE 10.1 (reported by Leonhard Maylein)

2.2.1a (15-06-2006):
        * fix compile error on i686/MacOS X (reported by Andreas Neth)

2.2.1 (13-06-2006):
        * fix gcc 4 warnings and build failure on x86_64 (debian bug #370808)
        * fix compiling with Oracle (noticed by Colapinto Giovanni)
        * fix configure.ac for most recent autoconf version
          (debian bug #369503)
        * fix a regression that would make impossible local updates w/clients
        * fix a few missing '\n' in sh_getopt.c
        * sh_kern.c: fall back on mmap() if read() fails on /dev/kmem
        * fix Solaris package creation
        * recognize Solaris doors and event ports
        * fix the idmef_inode_t patch: provide required info to avoid stat()
        * fix bug on database update: fill in dev and rdev fields
        * fix get_file_infos() in sh_prelude.c: avoid premature return  
        * GCC_STACK_PROTECT_CC: AC_TRY_COMPILE -> AC_TRY_LINK
        * deploy.sh: allow to set a group for hosts upon installation
        * patch by Yoann: fix an issue when setting the idmef_inode_t object
        * fix memory leaks in error paths in sh_prelude.c
        * fix concurrent inserts with postgres in sh_database.c
        * code cleanup
        * fix manual version in spec file, first noticed by Imre Gergely
        
2.2.0 (01-05-2006):
        * patch by Jim Simmons for samhainadmin.pl.in
        * fix testsuite portability problems
        * fix md5 endianess problem detected on HP-UX 11i / PA-RISC 8700 
        * fix potential NULL dereference in sh_utmp_endutent()
        * patch by Neil Gorsuch for suidchk.c (do not scan lustre, afs, mmfs)
        * fix sh_ext_popen (OpenBSD needs non-null argv[0] in execve)
        * fix make_tests.sh portability (echo '"\n"' does not work on OpenBSD)
        * fix bug in sh_utils_obscurename (check isascii)
        * scan h_aliases for FQDN if h_name is not
        * add copyright/license info to test scripts
        * add copyright/license info to deployment system scripts
        * support server-to-server relay
        * new CL option --server-port 
        * minor improvements in manual
        * patch by Yoann Vandoorselaere for sh_prelude.c
        * allow --longopt arg as well as --longopt=arg
        * verify checksum of growing log files (up to previous size)
        * rewrite of the test suite
        * added a bit of unit testing
        * minor optimizations in various places
        * optimized implementation of tiger checksum algorithm
        * read in 64k blocks (faster than 4k)
        * sh_unix.c, sh_hash.c: support file flags on *BSD, update Linux
          file attribute code
        * kern_head: fix compilation of kernel check module on OpenBSD
        * updated samhainrc.linux, samhainrc.freebsd
        * sh_unix.c: fix setrlimit (RLIMIT_NOFILE, ..)
        * sh_files.c: fix missing use of flag_err_info
        * sh_tiger0.c: remove repetitive use of mlock
        * slib.c: remove fcntl's from sl_read_timeout (caller sets O_NONBLOCK),
          add function sl_read_timeout_prep

2.1.3 (13-03-2006):
        * fix compile problem in slib.c (reported by Lawrence Bowie)
        * fix bug with combination of one-shot update mode and file check 
          schedule (reportedby Dan Track)
        * improved the windows howto according to suggestions by 
          Jorge Morgado
        * fix samhain_hide kernel module for new linux kernel versions
        * fix minor problem with dead client detection (problem reported
          by Michal Kustosik)

2.1.2 (10-01-2006):
        * fix startup error with combination of gpg+prelude

2.1.1a (22-12-2005):
        * fixed a stupid bug in sh_files.c (break if file = dir)

2.1.1 (21-12-2005):
        * sh_calls.c: protect sh_calls_set_bind_addr against overriding
        * comINSTALL, updateDB: use locking
        * samhainadmin.pl: use locking
        * fix typos in samhainrc.solaris (noticed by Robby Cauwerts)
        * improve zAVLSearch (remove redundant strcmp)
        * use AVL tree in sh_files.c instead of linked list (better scaling)
        * fix bug with suidcheck (no update/check in one-shot mode with
          schedule instead of check interval; noticed by R. Rati)
        * fix for problem with '-t update -i' if daemon mode (problem report
          by Peter van der Does)
        * fix for bug in sh_util_ask_update (two returns were required ...)

2.1.0 (31-10-2005):
        * minor fix for cross-compiling with --with-kcheck
        * sh_forward.c: handle bad fds in the select() fd sets 
          (reported by hmy)
        * sh_extern.c: fix debugging code
        * slib.c, sh_calls.c, sh_calls.h: improve handling of O_NOATIME
          (reported by Gabor Kiss)
        * makefile.in: fix for solaris package creation
        * sh_mail.c, sh_readconf.c: mail filtering options
        * sh_database.c: Oracle reconnect on connection failure
          (bug report by Alexander A. Sobyanin)
        * sh_unix.c: don't purge MYSQL_UNIX_PORT environment variable
          (problem reported by Peter)
        * sh_calls.c: fix for a HP-UX accept() problem caused by the gcc4 fix 
        * fixes for gcc 4.0.2 compiler warnings
        * ability to use daemon mode together with update
          (wishlist Yoan Vandoorselaere)
        * fixes for debugging

2.0.10a (22-08-2005):
        * fix for overlapping directory check specification (reported by Bub)

2.0.10 (21-08-2005):
        * fix for segfault (free() on a constant string) with libprelude
          (problem reported by Grae Noble)
        * upgrade FreeBSD kernel check to 5.4, minor fixes
        * useful script for users of Linux kernel check 
          (contributed by marc heisterkamp)
        * documentation improvements (suggested by Brian Seklecki and Robby)

2.0.9 (25-08-2005):
        * samhain_erase.c: add #define for NULL
        * sh_suidchk.c: fix incorrect use of escaped filename
        * sh_prelude.[ch], sh_readconf.c: configurable mapping from
          samhain severity to prelude severity
        * sh_unix.h: second arg of gettimeofday should be NULL
        * sh_files.c: fix checking of directory special file (use specified
          policy, not that of parent dir, problem found by Brian A. Seklecki)
        * sh_entropy.c: longer timeout for entropy collector
        * sh_socket.c, sh_forward.c: allow probing of clients for
          necessity of configuration reload
        * yulectl: minor fixes, option -v (verbose), new command PROBE
        * fix 'File not found' messages for files flagged with IgnoreMissing
        * sh_database.c: strip newline from oracle error messages
        * sh_files.c: fix rsrc fork issue with MacOS X Tiger 
          (reported by A. Koren) 
        * never compute checksum if not checked (problem report by D.Hughes)
        * sh_prelude.c: cleanup and bugfix by Yoann
        * sh_hash.c: for prelude, make sure mode is supplied with user/group
          and vice versa
        * sh_prelude.c: provide proper FileAccess objects (bug 
          report by Mihai Ilinca) 

2.0.8 (03-07-2005):
        * configure.ac: use $LIBPRELUDE_PTHREAD_CFLAGS rather than
          $LIBPRELUDE_CFLAGS (bugfix by Yoann)
        * samhain.spec.in: remove support for chkconfig (it's too buggy).
          Strangely, if invoked as install_initd it behaves sanely ...
        * src/sh_err_log.c: fix key input (this time for real)
        * fix --with-altlogserver (bug from 2.0.7b)
        * remove server socket in start/stop script

2.0.7e (not released):
        * Makefile.in: introduce a total of 6 sec delay for 'make' utilities
          that use 1 sec resolution, and consider target out-of-date if
          timestamp(target) = timestamp(dependency) ...
        * src/sh_err_log.c: fix key input
        * another fix for yulectl (use pwent->pw_dir)
        * dsys/comINSTALL, dsys/comUNINSTALL, dsys/comBUILD: fix PATH

2.0.7d (not released):
        * one more fix for the spec file (stupid rpm finds tags in comments!!!)

2.0.7c (not released):
        * test/testrun_1b.sh, test/testrun_2b.sh: use $GPG_PATH
        * dsys/comINSTALL, dsys/funcDB, dsys/funcINSTALL: some bugfixes
        * samhain-install.sh.in: fix test -z $verbose
        * sh_hash.c: speedup database reading
        * Makefile.in: fix the problem that BSD make would make too much
        * deploy: yulerc.clients -> yulerc.install.db, provide
          $defdatabase for backward compatibility
        * deploy: allow for comma in client_install_date

2.0.7b (not released):
        * hp_ux.psf.in: fix psf file
        * dsys/comINSTALL: fix $yule_date -> $yule_data
        * Makefile.in: fix 'make depot'
        * sh_tools.c, sh_unix.c: fix detection of open file limit
        * sh_readconf.c: reset read_mode after reading conf file
        * yulectl.c: better error messages, use homedir from getpwuid(geteuid)
        * init/samhain.startLSB.in: fix misleading message in lsb init script
        * sh_forward.c: better display for nonce u in debug mode
        * sh_tiger*.c: fix checksum for HP-UX 64bit
        * samhain.c: don't fetch database twice
        * configure.ac: accept nodename for --with-logserver=...
        * samhain_setpwd.c: return proper exit status for samhain_setpwd 
        * respond to SIGTERM on initializing
        * fix problems with samhainadmin.pl
        * sh_utils.c: fix bug with AddOKChars (found by Karol)

2.0.7a (not released):
        * remove 'df' from entropy gatherer (NFS may hang)
        * modify va_copy check (doesn't work with HP-UX PA64 compiler)
        * fix compile warnings in sh_database.c
        * samhain-install.sh.in: check for /usr/bin/false in /etc/shells
        * fix install-boot on HP-UX
        * aclocal.m4: fix configure CL parsing to recognize VAR=VALUE

2.0.7 (11-06-2005):
        * yet another fix for the spec file (use internal dependency generator)
        * sh_error.c, sh_prelude.c: init libprelude after open fds are closed
        * error message if queue is full
        * fix two compiler warnings on HP-UX
        * fix sh_mail.c for Interix (no resolver routines)
        * fix sh_unix_initgroups2() if no initgroups() function (bug reported
          by Geries Handal)
        * remove references to 'struct timezone' (Interix; problem
          reported by Geries Handal)
        * init/stop for prelude on SIGHUP
        * sh_cat.h: fix a stupid bug with messages classes
        * manual: new section on nagios (with help from kiarna),
          more on prelude
        * sh_prelude.c: cleanup and improvements (Yoann Vandorselaere)
        * default prelude profile name now is 'samhain' (lowercase)
        * sh_readconf.c: new option PreludeProfile (by Yoann Vandorselaere)
        * remove obsolete check for linux/module.h, linux/unistd.h
        * remove dependency on virtual/glibc in gentoo ebuild
          (problem reported by Willis Sarka)

2.0.6 (01-03-2005):
        * sh_prelude.c, configure.ac, aclocal.m4: support for 
          libprelude 0.9 (Yoann Vandoorselaere)
        * sh_html.c: fix bug with entry.html template (reported by
          Stephane Sanchez)
        * Install.sh: fix mandir option (reported by Rodney Smith)
        * Fixed Linux/64bit bug in definition of EUIDSLOT 
        * New targets 'make depot', 'make depot-light' (HP-UX, untested)
        * Use sstrip for RPMs and DEBs (automatic stripping disabled)
        * Fix aclocal.m4 for autoconf 2.59 (missing $ac_cr_alnum et al.,
          problem noticed by Yoann Vandoorselaere)
        * Modify samhain.spec.in to disable automatic stripping upon install
        * Fix deploy.sh + '--enable-gpg', and fix 'make rpm' and 'make deb'
          for '--with-khide' (problems reported by Mark)
        * Fix compile error in sh_tools.c on HP-UX 10.20
          (problem reported by Dennis Boylan)
        * Runtime configuration of server listening port (wishlist)
        * Runtime configuration of server listening interface (wishlist)
        * Ignore SIGTTIN (consistency)
        * Use SIGTTOU to force file check (wishlist)

2.0.5b (01-04-2005):
        * Fix build problem b/o timestamp on stamp file

2.0.5a (16-03-2005):
        * Fix problem with 'make rpm' (reported by Dirk Brümmer)

2.0.5 (02-03-2005):
        * Fix bug with partial reads from clients in server 
          (bug report by Brian)
        * Support gpg checksum bootstrap with yule
        * Support mount option check on HP-UX
        * For MAIL FROM, use 'example.com' as domain part if 
          hostname is numeric (problem reported by Eric Raymond)
        * The HOWTO-write-modules has been updated.
        * Convenience functions to insert data in database have been
          added.
        * Use int0x03 only on i386 in sh_derr() (portability problem
          reported by John Mandeville)

2.0.4 (09-02-2005):
        * Fixed broken 'make deb' (problem report by olfi)
        * Fixed minor bug in test scripts (detection of gmake vs. make)
        * Fixed Tru64/OSF compile warnings (reported by B. Terp)
        * Normalize list parsing to allow comma, space, and tab as separators
        * Some more descriptive error messages in kern_head.c 
        * Absolute path to utilities in init/samhain.startLinux.in
        * Fixed is_root variable in deploy.sh
        * Fixed 'deploy.sh info'
        * Fixed 'deploy.sh install' client startup
        * Fixed 'make tbz': don't remove ebuild scripts in 'make dist' 
          (issue reported by W. Sarky)

2.0.3 (14-12-2004):
        * Fix CPPFLAGS with mysql/postgresql (repoted by P. Smith)
        * Fix missing sys/time.h include in slib.c (reported by Jonas)
        * Workaround for file closing problem with Prelude+GPG
        * Fixed memory leak with Prelude.
        * Fixed bug in samhain_stealth (PGP signature not correctly
          retrieved from hidden configuration; report and patch by V. Tuska)
        * Added Perl script to concatenate file signature database files
        * Fix compile error with combination of --enable-nocl and 
          --enable-stealth (reported by Zdenek Polach)
        * Fix bug in dsys/initscript with --enable-nocl
        * Fix declaration of sh_kern_timer()
        * Fix missing Mounts+Userfiles options in appendix of manual
        * Updated the README (bug report by H. Franzke)
        * Fix some compiler warnings

2.0.2a (09-11-2004):
        * Fixed OoM condition when client rc file not found (reported by Eilko)

2.0.2 (08-11-2004):
        * Fixed buffer overflow in sh_hash_compdata() (only in 'update' code)
        * Fixed uninitialized variable in sh_mail_msg() (problem reported
          by Michael Milvich)
        * Fixed potential NULL pointer dereference in sh_hash_compdata()

2.0.1 (01-11-2004):
        * Fixed compilation bug reported by jue (--with-kcheck broken).
        * Fixed start option (bug reported by sanek). Behaviour wrt.
          environment variables depended on the way the daemon was started.

2.0.0 (31-10-2004):
        * The deployment system has been rewritten from scratch in
          a cleaner and more modular and extensible way. Deployment
          of native packages is supported now.
        * The build system has been revised. Building outside the source 
          directory is supported now.
        * Support for checksumming of prelinked executables / libraries
          has been added.
        * The configure script now checks for the SSP/ProPolice patch in GCC, 
          and enables it if present.
        * The install-boot option in samhain-install.sh has been fixed 
          (use absolute paths for sbin utilities).
        * A nagios plugin (scripts/check_samhain.pl) has been added.
        * The LSB (Linux Standard Base) init script has been fixed (the output 
          was incorrect).
        * Fetching of built binary packages has been 
          fixed ($(PACKAGE)->@install_name@).
        * For files in proc, the timeout has been reduced, and no error 
          messages are issued upon timeout.
        * A function has been added to print out full details for missing 
          files if encountered while in sh_files().
        * The reporting for SuidCheck has been fixed (incorrect policy
          noticed by JiM).
        * On Linux, SuidCheck does not report on files marked as candidates
          for mandatory locking (group-id bit set, group-execute bit cleared).
        * Fix for oracle init script (by Matt Warner)

1.8.12b (11-10-2004):
        * fix bug in MSG_MSTAMP (%ld -> %lu)
        * fix bugs in sh_suidchk.c (%ld -> %lu), check fopen for NULL,
          mkdir mode for quarantine directory
        * fix the fix for modlist_lock search in System.map
                        
1.8.12a (01-10-2004):
        * fix bug in samhain-install.sh.in (only occurs on Solaris), reported
          by J. Roland

1.8.12 (27-09-2004):
        * fix compile bug with --enable-static + --with-database=postgresql
        * fix search for modlist_lock in System.map
        * password auth for yule command socket (request by D. Kocic)
        * more info about pending/sent commands to clients

1.8.11 (30-08-2004):
        * fix static linking on Linux by use of replacement routines from
          uClib - however, this means, there is no NIS support anymore
        * new option AddOKChars=... to modify the set of characters for
          filenames considered 'obscure'
        * new option HardlinkOffset=... to specify an offset from the canonical
          hardlink count for a directory
        * fix some warning with HP 11.23 native compiler
        * fix minor OpenBSD portability problems (EIDRM, compiler warning)
        * samhainrc.5, samhain.8: updated the man pages
        * sh_unix.c, sh_files.c: ignore 'no user/group' and 'obscure name'
          for AllIgnore
        * sh_kern.c: fix 'update' to display modifications
        * sh_kern.c: fix bug with IDT check (spurious alerts b/o uninitialized
          fields) 
        * stealth kernel modules: fix for linux 2.6, fix 
          redefine of KERNEL_VERSION
        * warn about stealth kernel module problem with 2.6 in manual
        * sh_unix.c: remove some cruft
        * fix a typo in the manual (noticed by J. Rubin)
        * configure.ac: re-order output from libprelude-config (required
          for static linking - problem reported by E. Neber)
        * kern_head.h, kern_head.c: fixes for Linux 2.6 kernel

1.8.10b (13-07-2004):
        * fix incorrect usage of 'retry_msleep()' in sh_kern.c (reported
          by Pat Smith)

1.8.10a (13-07-2004):
        * depend-gen.c: fix for FreeBSD 'make' which does not understand
          the dependencies ... (problem reported by David Thiel)

1.8.10 (13-07-2004):
        * sh_unix.c/sh_unix.h: fix defaults for 'GrowingLogFiles' policy
          (bug report by VZoubkov)
        * fix some warnings (unreachable statement) with HP-UX native compiler
        * kern_check.c: silence warning about 'sendfile' for 4.10 
          (noticed by Ryan Beasley)
        * modify depend-gen.c to ignore sh_gpg_chksum.h
        * add a non-plaintext version of GPG_HASH (sh_gpg_chksum.h)
        * .. and for fingerprint
        * sh_suidchk.c: fix some compiler warnings on solaris
        * allow commas to separate multiple entries in a RedefXXX= directive 
        * replace sleep/usleep with nanosleep wrapper function
        * replace alarm() for read timeout with select() in sl_read_timeout
          (should fix bug reported by Scott Kelley)
        * increase lstat/open timeout to 6 sec

1.8.9 (16-06-2004):
        * made 'no action specified' error message more informative
          (suggested by Stephen Gill)
        * fix memory leak in mysql sh_database_query() (bug report by Dejan)
        * remove some cruft from the code
        * sh_files.c: check MacOS X resource forks (idea from Osiris)
        * sh_files.c: no hardlink check for MacOS X
        * sh_util_ask_update: fix bug with no terminal in non-interactive mode
          (report and debug data by Kris Dom)
        * manual refactored 
        * fix redundant messages when updating with suidcheck
        * allow interactive update for suid files
        * don't remove the TZ environment variable to guard against
          misconfigured hosts
        * also use gethostname if uname returns possibly truncated name
        * fix improper file descriptor handling in sh_mail.c (bug report
          by Alex Weiss)
        * cleanup MBLK cruft
        * use SH_ALLOC/SH_FREE in sh_prelude.c
        * update sstrip to Version 2.0

1.8.8 (25-05-2004):
        * fix compilation problem on AIX 5.2 (nameser_compat.h; report by
          Tim Evans and Ian McCulloch)
        * don't check for trusted paths on Cygwin 
        * add Windows HOWTO written by Kris Dom 
        * kern_check.h: extend FreeBSD syscall table for 5.x
 
1.8.7a (03-05-2004):
        * sh_mail.c: fix subject length
        * sh_mail.c: fix the sh.mailNum.alarm_last fix (report by Kris Dom)
        * sh_utils.c: sh_util_ask_update(): fix ISO C conformance bug
          (compile problem reported by Kris Dom)

1.8.7 (01-05-2004):
        * sh_mail.c: fix incorrect count of sh.mailNum.alarm_last, causing 
          empty mails (introduced with segfault fix in 1.8.6, report 
          by Kris Dom)
        * sh_utils.c: sh_util_ask_update(): check whether stdin is a terminal,
          try to reopen on controlling terminal if not
        * sh_utmp.c: fix order of options (problem report by Uri)
        * sh_files.c: sh_files_chk(): set tmp = NULL at end of loop
          (may cause segfault on null dereference for missing files)
        * sh_unix.c: patch by Marc Schütz (order of sh_unix_getinfo_type,
          sh_unix_getinfo_attr)
        * don't use dh_installmanpages in 'make deb' (samhain/yule conflict 
          reported by xavier)
        * on HP-UX, define _XOPEN_SOURCE_EXTENDED in sh_mail.c and sh_tools.c
          (suggested by Kris)
        * include nameser_compat.h in sh_mail.c (for MacOS X, 
          suggestion by jna)
        * sh_utmp.c: fix time for logout events (reported by Erich 
          van der Velde)

1.8.6 (15-04-2004): 
        * add CL option to set threshold for prelude and RDBMS
        * sh_mail.c: fix bug with MailSubject option (segfault on NULL pointer
          dereference; reported by Micha Silver)
        * fix compiling with --disable-encrypt (reported by Pat Smith)
        * fix minor problem in scheduler (don't return before all schedules
          are tested, to set last_exec correctly)

1.8.5 (05-04-2004):
        * fix bugs in sh_utmp.c (unlinking of list head); may fix an OpenBSD
          problem (endless loop; report and debugging aid by Joe MacDonald)
        * fix hardlink check (null dereference in error message, segfaults
          on solaris - noticed by Bob Bloom)
        * sh_suidcheck: don't truncate quarantined file if nlink > 1 
        * fix Install.sh (no --seperate-output with --radiolist); patch by
          Greg Kimberly

1.8.4 (17-03-2004):
        * add Prelude patch by Patrice Bourgin
        * add license statement to sh_mounts.c, sh_userfiles.c after
          receiving a clarifying e-mail from Cian Synnott 
        * support UsePersistent = no for Oracle (problem spotted and fix
          tested by Michael Somers)
        * fix bug in samhainadmin.pl
        * sh_gpg.c: describe type of gpg error (if any) 
        * fix persistent connections with postgresql (reported by 
          Erwin Van de Velde)
        * prelude: local 'meaning' shadows global in sh_prelude_alert 
          (spotted by David Maciejak)
        * uname: workaround for cases where nodename would be a possibly
          truncated FQDN (problem reported by Cian Synnott)
        * re-write parts of sh_kern.c, store kernel info in baseline database
          -> no need to recompile after kernel upgrade
        * modify timeouts in sh_unix_getinfo, add timeout warning 
        * change handling of dangling symlinks (store in db)
        * fix typo with MSG_FI_OBSC2 (double slash)
        * remove redundant operation in sh_utils_safe_name
        * fix occasional random start bytes of long messages in
          sh_error_string (sl_strlcat -> sl_strlcpy)
        * provide details for missing files (as for added files)
        * remove duplicate message for no such group/user
        * add fixes for samhain.oracle.init (supplied by Michael Somers)
        * fix date insertion for Oracle (fix by Michael Somers)
        * manual: fix incorrect statement about RPM (noticed by 
          Lars Kellogg-Stedman)

1.8.3 (02-02-2004):
        * add a HOWTO-client+server-troubleshooting document
        * fix another bug with SIGUSR2 (suspend mode)
        * new option SetBindAddress (--bind-address=...) to force 
          interface for outgoing connections on multi-interface box
        * don't link against libgmp if not required (i.e. standalone)
        * test for ext2fs/ext2_fs.h or linux/ext2_fs.h
        * new make targets 'emerge' and 'tbz2' for gentoo
        * update rules.deb.in based on the Debian package 
          by Javier Fernandez-Sanguino
        * updated config.guess, config.sub to version 2002-09-05
        * external command: report failure only once
        * console: reset failure status after success
        * README.UPGRADE: explain 1.7.x <-> 1.8.x client/server compatibility
        * use persistent connection to database by default
        * option UsePersistent=no to switch off persistent connection
 
1.8.2 (19-01-2004):
        * sh_userfiles.c: new option UserfilesCheckUids (requested)
        * sh_error.c: server: don't log to logfile before dropping root
        * new script scripts/samhainadmin.pl (administrative tasks for
          signed config/database files)
        * add changes code to log_msg for reports on modified files
        * change default log threshold to 'mark', as 'none' tends
          to confuse new users
        * faster response time for SIGUSR2
        * revised (mostly backward-compatible) message classes
        * fix missing check of mailTime in server select loop
        * add support for libprelude (version 0.8.10)
        * fix format for MSG_E_GRNULL (reported by Stefan Hudson)
        * fix Bourne shell incompatibility (export) in samhain-install.sh
          (first reported by David Thiel)
        * fix typo in spec file (first reported by Christian Vanguers)
        * remove some cruft (signal handler, memory handling)
        * return from sigterm handler, rather than exit directly
          (re-entrancy problem causes more problems than it's worth)

1.8.1 (03-12-2003):
        * fix gmp detection (problem pointed out by Nix)
        * fix/improve the error message if test compiling with mysql fails
        * new CL option --interactive for interactive db update
        * fix some compiler warnings from IRIX MIPS compiler 
        * kern_head.h, kern_head.c: option to disable IDT check
        * kern_head.h, kern_head.c: update kernel syscall table (2.4.20,2.6)
        * sh_utmp.c: count number of logins (request by Erwin Van De Velde)
        * change username -> userid, remove (long) userid (bug noticed
          by Erwin Van De Velde)
        * emit ADDED message for new SUID/SGID files
        * add trailing slash to excluded directory if there is none

1.8.0a (04-11-2003):
        * sh_error.c: remove two debug printf's

1.8.0 (31-10-2003):
        * manual: make ps file fit on both a4 and letter paper
        * sh_socket.c, sh_socket.h, sh_forward.c: socket interface
          to send (quit/reload) commands to clients
        * sh_forward.c, configure.ac: enable build with libwrap
          (Wietse Venema's TCP Wrappers library)
        * sh_ignore.c, sh_ignore.h, sh_files.c, sh_hash.c, sh_readconf.c:
          new option to suppress messages for new and/or deleted files
        * samhainrc.aix5.2.0: contributed by Christoph Kiefer
        * samhain.c: fix compile warning on solaris (noticed by Ian Hunt)
        * sh_database.c: undef debug code for oracle
        * samhain.oracle.init: contributed by Joern Michael Krueger
        * configure.ac, sh_utils.ac, Makefile.in, sh_modules.c,
          sh_cat.c, sh_cat.h, sh_mounts.c/h, sh_userfiles.c/h:
          check-mounts and userfiles modules contributed by eircom.net
        * sh_utils.c: fix off-by-one bug in sh_util_compress()
        * sh_forward.c, sh_tools.c, configure.ac: 
          version 2 client/server protocol
        * sh_mail.c: add %S to include severity in subject (user request)
        * sh_suidchk.c, 1093: fix warning about unused var 'flags' on FreeBSD
        * samhain.h, sh_unix.h, sh_unix.c: extern inline -> static inline
          for --enable-ptrace
        * samhain.c: lower priority for 'uninitialized module' message
        * sh_entropy.c: lower priority for message if /dev/random blocks and
          /dev/urandom is available
        * improved error messages in sh_readconf.c
        * print system error message for getpwuid, getgrgid
        * fix missing module init after SIGHUP (noticed by Cian Synnott)

1.7.12 (13-10-2003):
        * sh_mail.c: fix buffer overflow in mail handler (introduced in 1.7.10)
          thanks to bug reports by Jason Martin and Matthew P. Cox

1.7.11 (01-09-2003):
        * samhain.c, samhain.h, sh_unix.c, sh_forward.c, sh_html.h:
          - change SIG_USR1 to switch between dbg on/off
          - change SIG_USR2 to switch between suspend on/off
          - fix CLT_ILLEGAL to actually work
          - introduce new state CLT_SUSPEND
          - force reauthentication after suspend
        * slib.c: change MAXFD from FOPEN_MAX (16) -> 1024
        * sh_suidchk.c: better AIX fs detection (Christoph)
        * sh_entropy.c: increase buffer size for unix entropy gatherer
          (problem reported by D. Danielson)
        * default config files: add lots of comments, list more options
        * sh_error.c: set default severities to 'crit'
        * sh_readconf.c, sh_cat.c, sh_cat.h: stricter check on config
          file syntax, issue warnings (triggered by C. Kiefer)
        * Makefile.in: handle depend-gen errors more gracefully
        * sh_err_console.c: fix bug in enable_msgq (reported by F. Behrens)
        * configure.ac: workaround for mysql_config weird output
          (reported by G. Faron)
        * sh_unix.c, sh_tiger0.c: check IO limit during read of large files
        * depend-gen.c: close streams before attempting to rename (Cygwin)
        * Makefile.in: fail gracefully if depend-gen fails
        * sh_database.c: sh_database_query(postgresql): fixed missing SL_ENTER
        
1.7.10 (27-07-2003):
        * FreeBSD init script: define $pidfile (reported by D. Thiel)
        * sh_unix.c, sh_unix.h: fix compile error on AIX 4.2
        * sh_schedule.c: fix bad array size 
        * samhain.c: fix pid_t <> int casts 
        * sh_kern.c: fix repetitive messages
        * configure.ac: try to bootstrap if TIGER192 not supported by gpg,
          provide a detailed error message 
        * configure.ac: try harder to locate mysql
        * docs/Changelog: retroactively add release dates, if known
        * sh_mail.c: fix potential message truncation in mailer
        * sh_unix.c, samhain.c, samhain.h: make --enable-ptrace more portable
        * sh_readconf.c: fix segfault (dereference of uninitialized pointer)
          if --with-gpg and --enable-stealth are used together (reported
          by Anthony Caetano)
        * sh_unix.c, samhain.c, sh_calls.c: fix problems with descriptive
          error messages (larger GLOB_LEN, stat fills aud_err_message)

1.7.9 (30-06-2003):
        * sh_err_log.c: fix segfault on SIGABRT (dereference of freed memory),
          problems with SIGABRT noticed by Brian and Alf B Lervåg
        * deploy.sh.in: fix some bugs (found by Alf B Lervåg)
        * scripts/chroot.sh: fix typo (found by Alf B Lervåg)
        * configure.ac (khide): search also for 'd sys_call_table' (noted by
          cuek_saja)
        * strip whitespace before checking gpg checksum (noted by D. Thiel)
        * manual (faq section): explain how to stop console output
        * Makefile.in: fix re-naming of yule with --enable-install-name
        * HOWTO-client+server.html: fix typo  (noted by xavier renaut)
        * configure.ac: escape '-' in awk regex (required by GNU awk 3.1.1)

1.7.8 (28-05-2003):
        * sh_unix.c: new mlock implementation with reference count
          and page alignment (fix for solaris problem)
        * kern_head.c: search also for 'xxxxxxxx d sys_call_table'
        * sh_html.c: write status comment (for Beltane 2)
        * add CL option --delimited for comma-delimited signature database dump
        * sh_mail.c: check exit status of push_list to fix counting bug
          (bug reported by Alan Moore)
        * configure.ac: add error message to --with-libs
        * fix spelling of $DAEMON in init script (noted by C. Grigoriu)
        * fix missing initgroups()

1.7.7 (06-05-2003):
        * sh_forward.c: fix bug if compiled with --enable-udp, but disabled
          in config file (found by Andy OBrien)
        * sh_database.c: sh_database_entry(): size -> c_size (two places)
          to fix writing of '\0' to arbitrary places :(
          (problem pointed out by Stefan Giesen)
        * profiles/*/configopts: fix --with-base -> --enable-base
 
1.7.6 (24-04-2003):
        * sh_forward.c, entry.html, head.html: fix/additions by Stefan Giesen
        * fix samhain_hide for the O(1) scheduler used by RedHat:
          configure.ac, acconfig.h: check for next_task in struct task_struct
          samhain_hide.c: use find_task_by_pid if no next_task in task_struct
        * samhain_erase.c: add MODULE_LICENSE("GPL") to fix warning 

1.7.5 (15-04-2003):
        * sh_cat.c, sh_forward.c, sh_hash.c: fix double 'msg' tag
        * manual: point out the bmaxdata problem on AIX in faq section
        * trustfile.c: don't check symlinks (permissions of directory count)
        * sh_schedule.c: fix problem with daylight saving switchover
        * sh_samhain.c: close all open fd's >2 before reading the conf file
        * sh_unix.c: fix dereferenced NULL pointer when exiting on non-existing
          user
        * sh_forward.c: fix dereferenced NULL pointer when exiting on udp error
        * sh_forward.c: place timestamp code before select() timeout handler
        * fix incorrect class of timestamp messages (conflict with manual)
        * sh_readconf.c, sh_forward.c: new config option SetStripDomain
        * configure.ac: add warning if /lib/modules/`uname -r`/build/include
          not found
        * samhain_hide.c: adapt for RedHat 2.4 kernel (fetch sys_call_table
          address from System.map)
        * sh_err_syslog.c: fix for Solaris
        * samhain.spec.in: strip REQ_FROM_SERVER from config file install path

1.7.4 (21-03-2003):
        * configure.ac: fix bug in defargs (--with-base > --enable-base)
        * aclocal.ac: detect unsupported options
        * kern_check: add syscalls, skip unused syscalls
        * fix Manual (--enable.../--with... inconsistency)
        * add two HOWTOs (signed files, server/client)
        * moved manual into new subdirectory docs/
        * add admin scripts by S.Bailey/M.Redinger
        * option to have a version string in db file

1.7.3 (23-02-2003):
        * samhain-install.sh: use yule user key for signing on install
        * fix a bug in sh_err_console.c (attempted write to const char)
        * sh_gpg.c: if server, always use ~unprivileged_user/.gnupg
        * Makefile.in: make target 'trustfile' depend on config.h
        * configure.ac: don't use install_name before it is defined ... 
        * sh_tiger0.c: fix bug in checksum computation introduced in 1.7.2
        * samhain.c: make sure daemon cannot be forced into 'update' mode
        * sh_hash.c: remove AIX workaround (AIX has been fixed meanwhile)

1.7.2 (04-02-2003):
        * sh_kern.c: use sys_call_table address from System.map
        * fix for reserved SQL keyword 'group'  
        * add AC_SYS_LARGEFILE to configure.ac
        * allow separate client-specific log files for server
        * sstrip.c: compile sstrip code only for i386
        * sh_unix.c: closeall: don't close trace file
        * slib.c: don't trace sl_is_suid (leads to recursion in trace handler)
        * samhain-install.sh.in: fix detection of LSB compliant systems
        * sh_tools.c: get_client_*_file: lstat -> stat to allow symlinks
        * sh_forward.c: sh_forward_do_write: set O_NONBLOCK for fd
          (may block otherwise, for no good reason apparently ...)
        * samhain.spec.in: replace %configure with ./configure 
        * sh_unix.c: re-write signal handling (use __malloc_hook et al. to 
          check whether we are in the middle of a free/malloc/realloc/memalign)
        * sh_unix.c: use new safe_logger() function to log from signal handler
        * sh_err_log.c: fix xml
        *
        * fix Makefile.in to exit non-zero on compile failure 
        * database init: create index on log_host, entry_status
        * sh_suidchk.c: fix path building
        * sh_tiger0.c: read larger blocks
        * sh_hash.c: cast inode to UINT32
        * sh_tools.c: check that config/database files size fits in uint
        * sh_error.c: export flag_err_debug to avoid unnecessary calls
        * sh_unix.c: save the open() call in sh_unix_getinfo_attr()
        * profiles/redhat_i386/bootscript: add # description field
        * deploy.sh.in: set owner + permissions for files in yule_filedir
        * profiles/debianlinux_i386: fix bootscript
        * Makefile.in: fix deploy file lists and targets (include init+scripts)
        * MLOCK GOOD/BAD -> SL_FALSE/SL_TRUE
        * sh_mail.c: GOOD/BAD -> SL_FALSE/SL_TRUE (AIX sys/param.h)
        * sh_err_syslog.c: split long messages rather than truncating
        * sh_error.c: allocate msg to fix truncation limit
        * sh_unix.c: closeall fd's >= 3 in non-daemon mode (inherited
          filedescriptors may exceed FOPEN_MAX, causing problems in
          sl_open_file)
        * sh_err_console.c: avoid stdio
        * trustfile: dirz: make swp[] static
        * slib.c: speed up sl_strlcat
        * clean up some bad heap allocation (PATH_MAX+(1|2) -> PATH_MAX)
        * remove some unused code
        * slib.c: support long long int in the snprintf replacement
        * configure.ac: new configure macro to check whether sa_sigaction works
        * Makefile.in: make sstrip, encode dependent on config.h
 
1.7.1a (08-01-2003):
        * fix a syntax error in samhain-install.sh.in

1.7.1 (07-01-2003):
        * search runlevel scripts in ./init or ./
        * handle all distro-specific Linux runlevel script issues 
          within a single script 
        * support install-boot on Yellow Dog Linux and Slackware
        * samhain-install.sh: fix a bug for unknown Linux 
          ('"' not closed, DVER not set)
        * samhain-install.sh: check for /etc/yellowdog-release
        * sh_database.c: fix missing entry for 'userid' in attr_tab[]
        * fix debian.rules.in (disable sstrip)
        * update make targets: 'srpm', 'srpm-dist', 'rpm'
        * check for zlib if mysql is used
        * workaround for NetBSD bug with libresolve
        * fixed problems with spec files

1.7.0 (22-12-2002):
        * improved spec files (Andre Oliveira da Costa <brblueser@uol.com.br>)
        * sh_unix.c: fix a dereferenced static pointer in tf_trust_check
        * runlevel scripts: remove pid file after stop
        * make the data directory read-only for the daemon
        * treat 'localhost' specially in MX resolver
        * sh_err_log.c: set sh.flag.log_start == TRUE after writing </trail>
        * deploy.sh.in: fix quoting (fix by Simon Bailey)
        * slib.c: make sl_get_euid et al. behave well if uids not stored 
        * trustfile.c: use euid = uid(SH_IDENT) if server
        * sh_mail.c: include an MX resolver 
        * Makefile.in: install-user routine for user installation
        * have yule drop root
        * sh_tools.c: open_temp use logdir if server
        * unified options for runlevel script
        * HP-UX, IRIX runlevel scripts
        * AIX inittab entry

1.6.6 (13-12-2002):
        * configure.ac: solaris cc -O2 -> -xO2
        * sstrip.c: avoid alpha architecture
        * profiles/solaris/configopts: no --enable-static
        * sh_forward.c: sh_forward_req_file: copy argument to local array

1.6.5 (04-12-2002):
        * sh_utmp.c: set userlist = NULL in sh_utmp_end ()
        * sh_unix.c: do not assume that environ is sane
        * exit handler: write </trail>
        * sh_log_file(NULL): test sh.flag.log_start != S_TRUE
        * FreeBSD rc script does not blindly accept content of pid file
        * configure.ac: allow 'localhost' for log server
        * sh_calls.c: retry_connect: ntohs (port)
        * testrun_2[abc].sh: --with-logserver=localhost for client
        
1.6.4 (12-11-2002):
        * sh_tools.c: fix error when escaping '=<'
        * fix the 'make srpm' target
        * deploy.sh.in: avoid that client is named 'yule'
        * define memset to sl_memset
        * fix type cast of uid_t, gid_t

1.6.3 (31-10-2002):
        * fix options for Sun/Solaris native compiler 
        * sh_unix.c: MSG_FI_LIST (line 2333): cast theFile->size to fix error
        * test sstrip on freebsd
        * default config file for freebsd
        * make target to build .deb packages
        * sh_readconf.c: fix bug in error message 
        * samhain.c, sh_suidchk.c: fix initialization of suidchk
        * samhain-install.sh.in: don't remove config file by default
        * samhain-install.sh.in: support complete de-installation
        * samhain-install.sh.in: add support for Gentoo, FreeBSD, and Solaris
        * samhain-install.sh.in: check more paths
        * sh_unix.c: fix sys_siglist declaration [NetBSD portability issue]
        * sh_calls.c: save error message in retry_lstat()

1.6.2 (04-10-2002):
        * make target to build rpms
        * update samhain.spec.in, samhain.startRedHat 
        * support DESTDIR, as in 'make DESTDIR=/what/ever install'
        * explicitely set -fno-omit-frame-pointer b/o gcc bug
        * mv configure.in to configure.ac to benefit from autoconf wrapper
        * sh_modules.c, sh_modules.h: add mod_reconf() to run at SIGHUP 
        * slib.c: fix debug messages (no msgs for dlogActive <= 1)
        * sh_schedule.c, samhain.c, sh_suidchk.c: 
          scheduler may accept multiple schedules

1.6.1 (04-09-2002):
        * sh_schedule.c: bugfix (executes only after first day) 
        * rm obsolete WITH_TRACE stuff
        * new dlog() function for debug logging
        * some more descriptive error messages

1.6.0 (27-08-2002):
        * omit the -fomit-frame-pointer option (bugs in some gcc versions ?)
        * sh_error.c: fix escape mode when logging to database
        * sh_forward.c: fix error (twice escape) in recv_syslog_socket
        * sh_tools.c: change escape mode for server-received data
        * sh_mem.c: change ulong -> size_t in sh_mem_malloc()
        * configure.in: fix localstatedir if --prefix=USR
        * sh_hash.c: snprintf() -> sl_snprintf()

1.5.5 (07-08-2002):
        * sh_err_log.c: fix incorrect xml syntax for client messages 
          logged by server
        * sh_err_log.c: fix incorrect '</trail>' entries on client EXIT
        * sh_files.c: introduce file_class_next
          this fixes the problem that a policy for the directory
          inode erroneously becomes a policy for the directory itself.

1.5.4 (17-07-2002):
        * sh_hash.c: fix buffer overflow with (micro-)stealth
        * sh_database.c: set path[] 1024 -> 12288
        * sh_database.c: set query[] 2048 -> 16383
        * sh_database.c: set values[] 1024 -> 16383
        * sh_forward.c: larger limit for message size (16 kB)
        * trustfile.c: set MAXFILENAME 2048 -> 4096
        * fixed a bug in the handling of filenames with embedded newlines
        * sh_files.c: fix missing sh_util_safe_name() in debug output
        * --with-sender can specify a full address
        * fix xml log in a backwards compatible way

1.5.3 (03-07-2002):
        * fix combination of stealth and sql logging
        * fix some more places where invalid UIDs/GIDs trigger errors

1.5.2 (01-07-2002):
        * include solaris config file from (sean [at] boran d.o.t com)
        * test for files/dirz defined twice in the configuration file
        * option to disable reverse lookup on outbound connections
        * option to use socket peer as client name (with name resolving)
        * sh_html.c: fix an HTML bug (twice </head><body>)
        * sh_suidchk.c: fix warning on AIX b/o dirname()
        * allow logging server -> syslog if yule is NOT configured to 
          receive syslog messages
        * define PRIi64 to "lld" if undefined
        * invalid UIDs: use gid/uid as name, error level SeverityNames
        * minor fixes for connect_port
        * sh_hash.c: flush output of db listing before _exit()
        * configure.in: fix incorrect default ${install_name} for server
        * configure.in: try harder to find mysql.h / libpq-fe.h
        * sh_files.c: sh_files_checkdir: 
          closedir() early to not exhaust OPEN_MAX
 
1.5.1a (30-05-2002):
        * fix missing LSB init script

1.5.1 (27-05-2002):
        * fix '-t update' option

1.5.0a (23-05-2002): 
        * fix configure.in

1.5.0 (22-05-2002):
        * include solaris nosuid patch from (nathoo [at] co d.o.t ru)
        * similar fix for bsd nosuid
        * speed up -t update
        * convert manual to DocBook, distribute html and ps
        * fix some more problems with configure.in, Makefile.in
        * fix testsuite, add tests for udp, mysql
        * MSG_TCP_MSG: host -> remote_host
        * convert to autoconf 2.53
        * make c_bits.sh exit with status 0
        * sh_database.c #include "mysql.h" --> <mysql.h>, ditto libpq-fe.h
          to avoid dependency tracking problems
        * samhain.c remove *YULE* #ifdefs
        * acconfig.h remove *YULE* #undefs
        * samhain.c: procdirSamhain: lstat --> stat (allow symlink)
        * configure.in: add checks for correct user input
        * Makefile.in: add automatic dependency tracking
        * depend-gen: tool to figure out dependencies
        * chkconfig comments in redhat start scripts

1.4.8:
        * sh_database.c: fix missing attr_old, attr_new, (from)host columns
        * configure.in, Makefile.in: fix an error in the configfile
          definition with REQ_FROM_SERVER
        * sh_err_console, sh_err_log: avoid recurrent failure messages
        * timeout on read from files (/proc)
        * fix errrors with setjmp/longjmp/alarm
        * fix memory leak in server (~20 byte/file download in sh_tools, 930)
        * check gpg signature for files downloaded from server, add a
          regression test
        * fix chown in solaris bootscript
        * provide second scheduler for file check
        * provide scheduler for file check
        * provide scheduler for SUID check

1.4.7 (08-04-2002):
        * make daemon control LSB-compliant (arguments, exit status)
        * set log_ref = 0 for server messages
        * boolean option SetDBServerTstamp to disable entering server
          timestamps for received client messages into database
        * sh_suidcheck: check for "nosuid" mount option if getmntent is used
        * fix logrotate script in manual (reported by Scott Worthington)
        * don't strip numerical IP addresses
        * check item->status_now != CLT_TOOLONG in client_time_check()
        * set log_host to client in db client message

1.4.6a (20-03-2002):
        * define prefix in deploy.sh

1.4.6 (19-03-2002):
        * modify samhain_hide.c to hide processes on new Linux kernels
        * better error diagnostics in kern_head.c
        * fix compile error in all_items ()
        * check length of install-name in enable-khide (max is 15)
        * define exec_prefix in deploy.sh.in
        * make configure a bit more cross-compiler friendly     
 
1.4.5 (07-03-2002):
        * Make sure missing file is reported even if ptr->reported == S_TRUE 
          because the file has been added.
        * propagate 'reported' flag from sh_files_checkdir() into file list
        * close checkfd in sh_gpg_check_file_sign()
        * sh_derr(): kill(parent, SIGCONT) after ptrace(PT_DETACH,...)
        * use sh.srvcons.name in dbg() to get debugging info from daemon
        * option to log file timestamps with localtime instead of GMT
        * comment out MSG_FI_ADD in sh_dirs_chk () - obsoleted by mandatory
          sh_files_filecheck(directory) that triggers MSG_FI_ADD in sh_hash.c
        * set ptr->reported = S_FALSE; for reappeared files in sh_files_chk()
          to make sure re-disappearing will get reported
        * new function sh_hash_set_missing() to remove file record
          without (duplicate) 'missing' message
        * make sure all items are reported for added files
        * fix stealth mode with sh_kern (encode sh_ks.h -> sh_ks_xor.h)
        * clarify in the documentation which gpg options to use for signing

1.4.4 (11-02-2002):
        * check that parent process has exited before writing PID file
        * promote MGG_W_CHDIR to SH_ERR_ERR
        * add error message to sh_unix_testlock
        * fix missing _() macro in sh_aud_set_functions

1.4.3 (05-02-2002):
        * don't check attributes for symlinks (may cause device access)
        * add USE mysql; USE samhain; to samhain.mysql.init
        * point out the MessageHeader/mysql problem in manual
        * add -lz to LIBS for mysql
        * strip after install, avoid double strip

1.4.2 (27-01-2002):
        * support for EGD
        * fix some more problems with install-deploy / deploy.sh
        * fix a bug in profiles/suselinux_i386/bootscript (INSTALL_NAME_)
        * fixed the 'external logging' test (init rather than none in rc file)

1.4.1:
        * SuSE: include run level 4+5
        * install location of hiding kernel modules changed - some insmod
          variants do not test for /lib/modules/$(uname -r)/module_name.o
        * new make targets 'install-deploy', 'uninstall-deploy'
        * fixed make targets 'deploydir', 'deploydirfast'
        * bail on unsupported CL option in deploy.sh
        * fix various bugs in deploy.sh
 
1.4.0 (16-01-2002):
        * fixed missing 'dirname' on Mac OS X
        * fixed && tested for/with postgres
        * 'user=' -> 'userid=' (reserved word in sql)
        * fix the endianess + size of file database; this changes db format
          for any non-Linux OS
        * --enable-old-format for old (V1.3) database format
        * getopt, samhain.c, samhain.h: option -f to loop if not daemon 
        * sh_hash: list numeric + char data to allow file db update on
          server side
        * sh_database: modify handling of integer (long) data
        * sh_database: datetime in database
        * sh_database: hash field in database
        * sh_database: rewrite database insert string construction
          [use INSERT INTO log (fields) VALUES (values);]
        * makefile suse 7.x runlevel entries

1.3.7 (06-01-2002):
        * fix incorrect escape in sh_tools_safe_name
        * fix sh_error_handle (4. argument) in sh_extern.c

1.3.6c:
        * fix segfault in sh_database (mysql logging) on solaris

1.3.6b (03-01-2002):
        * fix syntax error ('==')  in Makefile.in
        * fix configure.in (path for /lib/modules/$(uname -r)/build/include)
        * fix sh_kern.c (redeclaration of 'j')

1.3.6 (03-01-2002):
        * sh_kern.c: check integrity of int 80h vector 
          (SucKIT rootkit - Phrack 58)
        * make sure childs in sh_kern are wait()'ed for
        * provide start/stop/restart/reload/status interface
        * fix a potential segfault (dereferenced NULL pointer) in the server
        * use sh_util_flagval for sh_unix_setdaemon
        * documentation for logging to SQL database
        * configure.in: check for -I/lib/modules/$(uname -r)/build/include
        * fix trustfile.c to ignore invalid users
        * separate 'make install-samhain' and 'make install-yule'
        * separate default log/pid/config files for server/client
          - less problems running server and client on same host
        * rewrite deploy.sh(.in): 
          - don't use (make|install) if deploying
          - use command line options
          - better integrate into server environment
          - write install db
        * always write a pidfile if daemon
        * don't use server's config file as fallback for downloading client
        * don't overwrite config file when doing 'make install'

1.3.5 (28-12-2001):
        * fix --enable-message-queue for newer glibc versions
        * log to SQL database: implemented, but undocumented yet,
          needs to be tested further
        * xml: escape received syslog messages
        * xml: rename 'time' to 'tstamp'
        * make targets: make [un]install-[boot-]yule 
          (for server-only installation)
        * fix samhain_hide.c for 2.4 kernel
        * fix sh_kern for updated samhain_hide.c 
        * new option -j to just list the logfile
        * sh_getopt.c: recognize -Dt check for -D -t check
        * sh_tiger0.c: fix compiler warning (memmove) on Solaris

1.3.4 (12-12-2001):
        * sh_suidchk.c: option to limit files per second
        * sh_unix.c: option to limit (kilo)bytes per second
        * sh_hash.c: fix potential problem with '\n' in filename
          (not backward compatible if there are filenames with '=')

1.3.3 (03-12-2001):
        * sh_readconf.c, samhain.h, samhain.c, sh_suidchk.c:
          option SetNiceLevel to set scheduling priority
        * sh_hash.c: bugfix for database listing on Solaris
        * taus_seed: bugfix for emergency backup rng seed
        * sh_util_safe_name: fix for XML
        * sh_utmp_set_login_activate: use sh_util_flagval
        * sh_utils.c: sh_util_obscurename: rm 'space' from list
        * more backtrace macros
        * sh_util_flagval: fix bug to recognize 1/0
        * fix test scripts testtimesrv.sh, testext.sh (test.sh 6/5)
        * rm stray debug fprintf in sh_srp.c

1.3.2 (27-11-2001):
        * sh_hash.c: fix an error introduced in 1.3.1
        * set RLIMIT_CORE to RLIM_INFINITY if --enable-debug

1.3.1 (25-11-2001):
        * slib.c: get backtrace with --enable-debug 
        * sh_unix.c: allow core dumps when --enable-debug
        * configure.in: fix default message queue permissions
        * sh_suidchk.c: automatically include suid/sgid files in database
        * sh_suidchk.c: check all suid/sgid files
        * sh_hash.c: don't insert duplicates when reading the database
        * sh_utmp, sh_kern, samhain: fix 1sec offset in timer
        * sh_unix.c: don't require /dev/random to be non-world-writeable
        * server: fix segfault in zAVLTree.c if avltree == NULL (no clients)
        * client: fix segfault on Solaris if path_conf == NULL
        * testrun_1b.sh: \(^/.*\) -> \(/.*\)  for Solaris sed

1.3.0 (31-10-2001):
        * support compiling with GNU gmp library
        * set 3 sec timer on client_time_check to avoid excessive (and
          unnecessary) calls under heavy load
        * replace sl_strlen with a macro
        * store client_t structure in AVL tree
        * database format incompatible with previous format, up the magic#
        * sh_html.c: cache entry template for speedup
        * slib.c: reset islong(double) in sl_printf_count
        * sh_hash.c: report on rdev change
        * sh_hash.c: print size in 64 bit
        * sh_hash.c: save in absolute size types
        * sh_unix.c: get values as appropriate type (time_t, dev_t, ...)

1.2.10:
        * update MANUAL
        * sh_unix.c: tiger_hash -> tiger_generic_hash
        * sh_readcon.c: DigestAlgo option
        * sh_tiger0.c: add MD5 and SHA1
        * sh_unix.c: fix minor problem with win2k/cygwin

1.2.9 (17-10-2001):
        * fix problem with entry template/empty hostname
        * fix MASK_USER_ (MTM -> ATM)
        * typo fixed in configure.in (${install_name} -> {install_name})
        * bugfix group_old -> size_old in XML code
        * skip armor header in signed files

1.2.8 (29-09-2001):
        * Mac OS X: in sh_getopt.c, rename table[] to op_table[] to avoid
          obscure compiler warning
        * Mac OS X: fix test scripts
        * Mac OS X: import newest config.guess, config.sub from ftp.gnu.org
        * implement deadtime in syslog recv code to protect against flooding
        * sh_err_log: sl_close(fd) if lock|forward fails
        * compliance with Filesystem Hierarchy Standard -- Version 2.2 final
        * add policies User0, User1
        * fix compile problem (FreeBSD) in sh_suidchk.c
        * macro to check for debugger breakpoints (linux/i386)
        * check for solaris (does not work) in sh_derr (--enable-ptrace)
        * option to listen on 514/udp for syslog, drop root
          irrevocably if compiled thus
        * use (check_mask & MODI_ATM) to decide whether to reset utime
        * reset the policy masks on sighup
        * option to write XML log messages
        * cleanup of message catalog
        * modified error messages for BADCONN
        * error messages for Rijndael
        * block recursive error messages within sh_error_handler()
          - would hang the machine ... -
        
1.2.7:
        * sh_files, sh_utils: check top level directory
        * sh_kern, sh_cat, kern_head: check syscall code, fork subprocess
          for reading from /dev/kmem
        * include /boot in default samhainrc
        * change source distribution signing/packaging system
        * Makefile, README, MANUAL: adhere to file system standard, 
          document new locations
        * fix a bug in samhain_hide.c

1.2.6:
        * reset list of trusted users before config file re-read
        * TrustedUser=... can be a list
        * fix severity for files missing from IgnoreAll

1.2.5:
        * include example_pager.pl, example_sms.pl scripts
        * explain paging/sms setup in docs
        * allow manual exclusion of a directory in suidcheck
        * automatically track all file changes
        * remove missing files from in-memory database
        * add  $(KERN) to DEPLOYFILES

1.2.4:
        * log IP address for login/logout events, if supported by the OS
        * release block in globerr (callback)

-------------

1.2.3:  
        * fix problem with reading stealth configuration
        * fix a few formats in sh_cat.c
        * always use strncmp for file system type check in sh_suidchk.c
          (trailing 'fs' may be system specific for some types)
        * no bare LF in messages (RFC 2822)
        * no lines longer than 998 chars (RFC 2822)
        * fix error in testrc_1

1.2.2:
        * make tmp file directory a compile time option
        * fix minor bugs in tmp file allocator (potential memory leak,
          double slash if root directory)
        * obsolete testpipe script removed 

1.2.1:
        * fix memory alignment in rijndael-api-fst.c: blockEncrypt()
        * fix byte order in HMAC code (compatibility fix for Linux/HP-UX)
        * removed a debug fprintf()

1.2.0:
        * fix a bug in the HMAC implementation (thanks to Cesar Tascon
          for help in tracking down this one)
        * module to check the file system for SUID/SGID files

1.1.16 (never released):
        * fix the recursion depth -1 option as described in the manual
        * optional database reload on SIGHUP
        * fix a race condition when checking that /dev/random is a charakter
          device
        * redirect stderr to /dev/null for c_random 
          (AIX may segfault in netstat...)
        * check whether /dev/random is a charakter device in c_random.sh
          (we know at least one sysadmin who has set up a fake /dev/random ...)
        * don't give NULL as 2. and 3. arg to execve if not Linux - some
          Unices (notably Solaris) don't like it
        * init ptr = NULL in my_malloc (compiler warning)
        * make the bitmask for tests configureable (suggestion by A. Dunkel)
        * make the bitmask for tests a static variable
        * make (database/logfile/lockfile) path configurable
          (to run multiple instances of samhain from an NFS share - on the
          wishlist of J. Patton)

1.1.15 (never released):
        * fix minor error in testcompile.sh (rm test_log only at start)
        * return from subroutines on sig_terminate == 1 
          (faster exit on SIGTERM)
        * fix re-configuration of addresses
        * use sh_util_flagval() in sh_mail_setFlag and sh_kern_set_activate
        * SysV message queue as compile option
        * config file option to set console device
        * removed the pre 1.1.9 code bloat
        * don't print the LOGKEY to the console

1.1.14:
        * fix an error in the setup consistency check
        * make target to uninstall runtime files
        * trustfile.c: check return code of readlink(), fix off-by-one error
        * sh_files.c: fix placement of terminator after readlink() call
        * sh_files.c: fix a missing set_suid()/unset_suid()
          - suid should work, but is not recommended -
        * more debug statements in c/s code
        * avoid re-entry in sh_unix_sigexit
        * put a block around free() and malloc() in wrapper functions
        * ditto for glob()/globfree(), regcomp()/regfree(), fdopen()/fclose()
          - i.e. avoid corrupting the heap from a signal handler -

1.1.13:
        * optimized the size of the configure script somewhat
        * modify the compile and hash test scripts
        * read '\0's in sh_unix_getline
        * exponential schedule for connection attempts
        * make stealth working properly with signed files
          - config file should be signed now before embedding in picture -
        * fix a race in using signed files
        * updated err messages for PWNULL, GRNULL
        * add missing shell script for test 11
        * add mandatory source file/line info with -p debug 
        * add mandatory source line info with BADCONN
        * fix a latex error in the manual

1.1.12:
        * debug output to console if compiled with --enable-debug and
          running as daemon
        * make reportonlyonce=true the default
        * make sure state changes of a file are always reported, even
          with reportonlyonce=true
        * Linux kernel modules (samhain_hide, samhain_erase)
        * fixed incorrect return value of sh_util_flagval
        * fixed an error in sh_files.c: happens with -t init and first
          file that is checked does not exist 
        * revised install/uninstall targets in the Makefile
        * module to check for clobbered kernel syscalls (tested on Linux 2.2)
        * more diagnostic error messages in sh_gpg.c
        * more diagnostic error messages in sh_mail.c
        * error in mail.c fixed 
          (address -> address_list[i] for multiple recipients)
        * docs updated, better(?) explanation of signed files
        * skip over path in gpg checksum output
        * check client name against IP address and FQDN
        * fix for --disable-* in config file
        * fixed a server crash (MSG_TCP_OKMSG without arg)
          if the server is run with debug level output threshold
        * catch EAGAIN in sh_gpg.c pipe reader
        * fix the 'external logging' test to make it work on BSD 
        * error message if no local path to init DB
        * check for i86/Solaris in configure (vsnprintf prototype)
        * make SRP the default

1.1.11:
        * make log file verification more convenient
        * fix problem with message classes in stealth mode
        * linux: do not try to read file attributes for devices
        * handle the root directory correctly (avoid "//" in listing)
        * fix problems with blockin on FIFOs/char dev 
          pointed out by I. Rogalsky (rog@iis.fhg.de)
          - open in nonblocking mode for read, then set to blocking
          - open file only if regular
        * fix alignment in memory profiler

1.1.10:
        * minor code cleanup
        * fix an error in trustfile.c (handling of empty/incomplete 
          group entries in /etc/group, bug report by A. Capriotti )

1.1.9:
        * compatibility option for old behaviour (plain hash instead
          of HMAC, ECB instead of CBC mode)
        * use CBC rather than ECB mode for encryption
        * use HMAC-TIGER for message authentication codes
        * handle NULL data in sh_tiger_hash
        * option to set syslog facility (default is LOG_AUTHPRIV)
        * longer timeout (300 sec) on /dev/random if no /dev/urandom
        * fix minor output error with stealth option
        * option not to log names of config/database files on startup

1.1.8:
        * fix error in syslog routine
        * fix missing 'test' in configure.in
        * fix error in replace_tab() in sh_html.c
        * fix minor memory leak in sh_util_regcmp()

1.1.7:
        * timeout on read_mbytes (from /dev/random; fallback to /dev/urandom)
        * fix for FreeBSD: ut_user -> ut_name in sh_utmp.c
        * fix for Alpha: consider $ac_cv_sizeof_unsigned_int_ in configure.in
        * fix for Alpha: format string in sh_tiger0.sh
        * on Linux, now compiles cleanly with 
          -Wall -W -Wstrict-prototypes -Wcast-align
        * fix problem with recursion depth
          (pointed out by Vic <hvicha@mail.ru>)
        * #include "sh_tools.h" in sh_unix.c and fix the 
          --with-timeserver option (reported by Vic <hvicha@mail.ru>)
        * place read_port(), MSG_TCP_NETRP outside ifdefs
        * close fd/zero skey before execve
        * verify client name against socket peer
        * ... with configureable error priority
        * use strcmp() rather than strncmp() in search_register()
        * fix race between lstat() and open() for checksum
          (reported by dynamo <dynamo@ime.net>, 
          JJohnson <JJohnson@penguincomputing.com>)
        * enable globbing for filenames
        * fix Solaris problem: siginfo_t may be NULL
        * fix missing SL_EBADGID in tf_trust_check
        * test case for external scripts, fix flushing pipe
        * fix a typo in sh_ext_type
        * do an fdexec w/checksum on Linux if calling external program
        * even safer tmp file creation
        * allow db update
        * fix compile options for --enable-debug
        * fixed a spelling error in the output
        * test program for full CS support (config/database download)
        * tell which file is searched for cs download

1.1.6:
        * fix bug in sh_readconf_line (segfault on erroneous config lines)

1.1.5:
        * sh_unix.c: sh_unix_getinfo_attr: f -> flags
        * use gettimeofday as last resort
1.1.4: 
        * fix AIX compiler warning in sh_forward (cast arg1 of sh_tiger_hash
          to (char *)
        * configure: add static link flags for some more os (from tar)
        * don't strip twice (some stupid systems abort)
        * fix for reading from /dev/random on non-Linux systems (untested)
        * sh_mail.c: end all message lines with \r\n
        * stealth: ignore \r, \"
        * take out tracing from --enable-debug (presently useless anyway)
        * fix some remaining cleartext with debug && stealth combined
        * fixed a small memory leak in sh_err_log.c

1.1.3:
        * fixed circular logic in taus_seed() (fallback method only)
        * fix for missing _SC_OPEN_MAX (runaway close())

1.1.2:
        * implement message classes
        * let server recognize client message severity and class
        * secondary log server
        * keep database in memory (allows to close file 
          if retrieved from server)
        * encrypt client/server communication
        
1.1.1:
        * Compilation problems with native Solaris compiler fixed
        * fill in euid/ruid variable
        * manual.pdf --> MANUAL.pdf
        * debug sh_util_formatted()
        * http refresh 120sec for server stat page
        * trace/debug options
        * fixed problem with utmp.c options
        * fixed problem with sh_mail_setaddress
        * option for custom message header
        * fixed problem in compdata
        * fixed problem in mail verification
        * remove eventual trailing '/' in file names
        * fixed problem with report string for modified files
        * option to report in full detail
 
1.1.0:
        * Move error messages to catalog
        * Make error message format more uniform
        * Wrap sytem calls that could be interrupted by signals
        * Warn on append to database
        * Option for full details on mod. files
        * Option to report only once on mod. files
        * Generally speaking, major modifications with potential new bugs

0.9.5:
        * sh_hash.c: fixed erroneous checksum for config file
        * sh_html.c: fixed erroneous timestamp (last)
        * sh_tools.c: fixed connect_port (set port for cached address)
        * sh_srp.c: fix for '00' (='\0') in pw
          (last two fixes by Andreas Piesk)

0.9.4:
        * samhain.c: fcntl(1, ..) -> fcntl(2, ..)
        * sh_hash.c: copy 12 instead of 10 byte for c_attributes
        * 'empty directory' WARN -> INFO

0.9.3:
        * FreeBSD fixes:
          - c_random.sh: make sure /dev/random provides something 
            rather than nothing
          - check for <netinet/in.h> and include it
          - include <sys/types.h> early
          - sh_utmp.c: fixed an occurence of ut_user
          - sh_utmp.c: #ifdef HAVE_UTTYPE static char terminated_line #endif
          - sh_forward.c: EBADMSG -> ENOMSG
        * sh_unix.c: check return value of gethostbyname
        * sh_entropy.c: fallback on /dev/urandom if /dev/random blocks for
          more than 30 sec
        * ... and fix the timestamp format ...

0.9.2:
        * ISO 8601 timestamps
        * Bugfix in sh_utmp (timestring overwrite)
        * don't use siginfo_t on Linux (garbage as of 2.2.14)
        * check for Linux capabilities bug when dropping root
        * include README for gcc compiler bug (pointed out by A. Piesk)
        * explicitely set -fno-strength-reduce with gcc
        * fixed ignoring missing files with the IgnoreAll policy

0.9.1:
        * more ext2flags (breaks backward database compatibility on Linux)
        * IgnoreAll policy modified - missing/added files reported with
          SeverityIgnoreAll (to handle files that may or may not be present)
        * Check all files, not only regular ones 
          (bug in sh_files, originally introduced because checksum of
          regular files only is computed)

0.9:
        * use O_NOATIME if supported
        * --with-nocl takes argument (PW to re-enable CL parsing)
        * no daemon mode if initializing database
        * fixed segfault in yule with 'unknown file type' request
        * enlarged MAX_GLOBS 24 -> 32 and made the array linear
        * server uses last registry entry for any given client now
        * deploy.sh script to deploy clients to remote hosts
        * enhanced signal handling: SIGUSR1/SIGUSR2/SIGABRT/SIGQUIT/SIGHUP
        * allow y/Y/n/N for login monitoring (in addition to 0/1)
        * external logging scripts/programs
        * trustfile.c: define STICKY on Linux
        * reset signal mask when initializing
        * EINTR_RETRY wrapper
        * slib: sl_read, sl_write EINTR update
        * use sstrip when installing
        * more compact database format (breaks backward database compatibility)
        * larger download packets
        * TcpFlags unsigned char
        * cast to (char *) head in write_port
        * m(un)lock cast to (char *)
        * (1 << 31) --> (1UL << 31)
        * support e2fs attributes on Linux
        * fixes for AIX and Solaris native compilers
        * fixed Makefile for non-GNU make (pattern rule --> suffix rule)

0.8.1:
        * fixed 'is_numeric()' return value     

0.8:
        * added option for static compilation
        * added option for stealth with non-hidden config file
        * added option for disabling command line parsing
        * all options can be set in the configuration file now
        * stealth: xor strings in database file
        * fixed bug in mailer code ([] in HELO)
        * print timestamp when asking for key
        * 'micro' stealth mode (no hidden configuration file)
        * simplified slib
        * int->long for uids/gids in trustfile
        * moved mailkey from data to code
        * shell script for entropy (stronger default key)
        * general code cleanup
        * better error checking in client/server code
        * detect out-of-sync messages
        * check state across protocol passes in server
        * make sure authentication is mutual
        * file download to client
        * reserve six file descriptors in server
        * mlock queue buffer if LOG_KEY
        * improved robustness in bignum (don't fail on free())
        * per-directory recursion depths
        * RFC821 compliance: empty line at end of header, To field, Date field
        * RFC821 compliance: make e-mail transfer relieable
        * fix detection of hardlink changes
        * checksum verification for calling gpg/pgp 
        * CL option '-S' not required for server-only binary
        * eliminate CL options that may leak privileged information
          if the program is SUID
        * skip leading white space in configuration file
        * allow nested conditionals in configuration file
        * allow whitespace before and after '=' in configuration file
        * don't leak file descriptors to child processes
        * make message transfer relieable
        * always report error on abnormal termination of connection

0.7:
        * support for alpha machines
        * stop TCP logging after exit message
        * limit connections in server (DoS attacks)
        * move string handling to slib
        * move file handling to slib
        * timestring without space
        * changed report format
        * SUID bugfix - use euid when checking logfile ownership
        * SUID bugfix - get root for lstat()
        * SUID bugfix - get root for opendir()
        * store number of hardlinks
        * send no message if polling empty queue
        * include tiger 64-bit implementation             (portability)
        * codes for error conditions
        * mail check: handle multiple, overlapping audit trails
        * security fix: no append to database if SUID
        * fix sh_entropy.c (BUFSIZ -> BUF_ENT)
        * read command line before config file
        * PGP signing of config/database files
        * checksum of config file reported
        * checking for attributes only

0.6:
        * more syslogish priority specification 
        * fixed segfault in sh_mem_check, apparently this was also
          the reason for the segfault in atexit()
        * allow for compilation with SRP authentication
        * fixed tiger checksum computation
        * fixed broken logfile verification for second and further audit trails
        * test program added
        * documentation improved
        * sh_forward_make_client: bug fixed in[8]->in[i]
        * sh_error.h: fixed missing #include <errno.h>
        * configure.in: fixed missing strerror() test
        * sh_utmp.c: check logins/logouts
        * check for missing files
        * only reset access time if necessary
        * O_EXCL in open()
        * limit environment to TZ in execve (sh_entropy.c, not used on Linux)
        * use trustfile() to determine whether logfile dir is trustworthy
        * strip head instead of tail for numerical address
        * store messages in fifo during log server outage
        * re-init session key after server outage

0.5 (21-12-1999):
        * added option for mail relay server
        * own popen() implementation in sh_entropy()      (portability)
        * fixed error in sh_util_basename() (returned NULL for base == "/")
        * fixed segfault in strlcpy/strlcat (check for src == NULL)
        * FILENAME_MAX -> PATH_MAX                        (HP-UX 10.20)
        * use TIGER for 32-byte compilers                 (portability)
        * fixed hash function (do not include stdlib.h)
        * flush buffer before write in mailer code        (IBM AIX 4.1)
        * make mailer code non-forking
        * cast argument of is...() to int                 (portability)
        * return() after _exit() for braindead compilers  (portability)
        * optionally use inet_addr                        (portability)
        * check for broken mlock()                        (HP-UX 10.20)
        * minor code cleanups
        * fixed incorrect size of munlock()'ed memory in sh_error_string()
        * fixed a buffer overflow in the error printing routine
        * fixed a buffer overflow in sh_util_safe_name ()
        * implement SRP session key exchange
        * implement client/server facility
        * implement @host/@end construct in configuration file
        * preferably use uname(), and do gethostbyname() for FQDN
        * make vernam cipher base numeric
        * make OnlyStderr private in sh_error
        * test -e "/dev/random" --> test -r "/dev/random" (portability)
        * check for libsocket                             (portability)
        * add #defines for IPPORT_SMTP, IPPORT_TIMESERVER (portability)
        * eliminate superfluous /proc test 
        * some unreachable code removed
        * cast to (byte*) replaced by cast to (word64*) in sh_tiger_hash()
        * check for setresuid() if no seteuid()           (HP-UX 10.20)  

0.4 (09-11-1999):  
        * make sure output from /dev/random has no NULL's
        * one-time pad encryption for emailed keys
          (better than nothing ...)

0.3 (04-11-1999):
        * logfile readable for group
        * verify signatures for any file
        * signature block in tarball
        * use select() in time server routine
        * better protection for session keys (mlock)

0.2:
        * fixed incorrect man page
        * fixed incorrect example rc file
        * recursive error logging should work now

0.1:
        * initial release -- on Samhain 1999, of course

development start:
        * probably 29-06-1999