4 -----------------------------
8 - sanitize use of md5 throughout distribution.. Make a static
9 library for helping to develop modules that contains it and other
10 stuff. Also add sha-1 and ripemd-160 digest algorithms.
11 - once above is done. remove hacks from the secret@here module etc..
12 - remove prototype for gethostname in pam_access.c (Derrick)
13 - document PAM_INCOMPLETE changes
14 - verify that the PAM_INCOMPLETE interface is sensible. Can we
15 catch errors? should we permit item changing etc., between
16 pam_authenticate re-invocations?
17 - verify that the PAM_INCOMPLETE interface works (auth seems ok..)
18 - add PAM_INCOMPLETE support to modules (partially added to pam_pwdb)
20 - do we still need to remove openlog/closelog from modules..?
21 - auth and acct support in pam_cracklib, "yes, I know the password
22 you just typed was valid, I just don't think it was very strong..."
23 - add in the pam_cap and pam_netid modules
25 ====================================================================
26 Note, as of release 0.73, all checkins should be accompanied with a
27 Bug ID. The bug IDs relate to sourceforge IDs.. You can query the
28 related bug description with the following URL:
30 http://sourceforge.net/bugs/?func=detailbug&bug_id=XXXXX&group_id=6663
32 Where you should replace XXXXX with a bug-id.
33 ====================================================================
35 0.74: please submit patches for this section with actual code/doc
38 * per David Lee, fixed non-POSIX shell command in modules/pam_filter/Makefile
40 * modify format of pam_unix log messages to include service name
42 * prevent pam_unix from logging unknown usernames (Bug 126431 - vorlon)
43 * changed format of pam_unix 'authentication failure' log messages to make
44 them clearer and more consistent (Bug 126036 - vorlon)
45 * improved portability of pam_unix by eliminating Linux-specific utmp
46 defines in PAM_getlogin() (Bug 125704 - vorlon)
47 * removed static variables from pam_tally (Bug 117434 - agmorgan)
48 * added copyright message to pam_access module from original logdaemon
49 sources (Bug 125022 - agmorgan)
50 * configure.in - removed the GCC -Wtraditional flag (Bug 124923 - agmorgan)
51 * pam_mail - use PAM_PATH_MAILDIR as the location of mail spool
52 (Bug 124397 - baggins)
53 * _pam_aconf.h.in, configure.in - added PAM_PATH_MAILDIR set via
54 --with-mailspool=dir option (default is _PAM_MAILDIR if defined
55 in paths.h otherwise /var/spool/mail (Bug 124397 - baggins)
56 * removed unnecessary CVS Log tags from all over the source
57 (Bug 124391 - baggins)
58 * pam_tally - check for PAM_TTY if PAM_RHOST is not set when writing
59 to faillog (Bug 124394 - baggins)
60 * use O_NOFOLLOW if available when opening debug log (Bug 124385 - baggins)
61 * pam_cracklib - removed comments about pam_unix not working with
62 pam_cracklib, added information about use_authtok parameter
63 (Bug 124388 - baggins)
64 * pam_userdb - fixed wrong definition of struct pam_module (was pam_wheel)
65 (Bug 124386 - baggins)
66 * fixed example/Makefile include path (Bug 124187 - agmorgan)
67 * pam_userdb compiles on RH5x. Also removed circular dependency on
68 configure.in. Also bumped revision number to 0.74. (Bug 124136 -
71 0.73: Sat Dec 2 00:04:04 PST 2000
73 * updated documentaion revisions and added 'make release' support
74 to the top level Makefile (Bug 124132 - agmorgan).
75 * documented Qmail support in pam_mail (Bug 109219 - baggins)
76 * add change_uid option to pam_limits, and set real uid only if
77 this option is present (Bug 124062 - baggins)
78 * pam_limits - set real uid to the user for who we set limits.
79 (Bug 123972 - baggins)
80 * removed static variables from pam_limits (thread safe now). (Bug
82 * removed static variable from pam_wheel (module should be thread safe
83 now). (Bug 112906 - agmorgan)
84 * added support for '/' symbols in pam_time and pam_group config files
85 (support for modern terminal devices). Fixed infinite loop problem
86 with '\\[^\n]' in these files. (Bug 116076 - agmorgan)
87 * avoid potential SIGPIPE when writing to helper binaries with (Bug
89 * replaced bogus logic in the pam_cracklib module for determining if
90 the replacement is too similar to the old password (Bug 115055 -
92 * added accessconf=<filename> feature to pam_access - request from
93 Aldrin Martoq and Meelis Roos (Bugs 111927,117240 - agmorgan)
94 * fix for pam_limit module not dealing with all limits Adam J. Richter
95 (Bug 119554 - agmorgan)
96 * comment fix describing fail_delay callback in _pam_types.h (Bug
98 * "likeauth" fix for pam_unix and pam_pwdb which (Bug 113596 - agmorgan)
99 * fix for pam_unix (support.c) to avoid segfault with NULL password
100 (Bug 113238 - vorlon)
101 * fix to pam_unix_passwd: try repeatedly to get a lock on the password
102 file, instead of failing immediately (Bug 108845 - fix vorlon)
103 * fix to pam_shells: logged information was not formatted correctly
104 (extra comma) (Bug 111491 - fix vorlon)
105 * fix for C++ application support (Bug 111645 - fix agmorgan)
106 * fix for typo in pam_client.h (Bug 111648 - fix agmorgan)
107 * removal of -lpam from pam_mkhomedir Makefile (Bug 116380 - fix agmorgan)
108 * autoconf support [Task ID 15788, Bug ID 108297 - agmorgan with help!]
109 - bugfix for libpamc.h include file [Bug ID 117476 - agmorgan]
110 - bugfix for pam_filter.h inclusion [Bug ID 117474 - agmorgan]
112 0.72: Mon Dec 13 22:41:11 PST 1999
114 * patches from Debian (Ben Collins): pam_ftp supports event driven
115 conversations now; pwdb_chkpwd cleanup; pam_warn static compile fix;
116 user_db compiler warnings removed; debian defs file; pam_mail can
117 now be used as a session module
118 * ndbm compilation option for user_db module (fix explained by Richard Khoo)
119 * pam_cracklib bug fix
120 * packaging fixes & build from scratch stuff (Konst Bulatnikov & Frodo
122 * -ldl appended to the libpam.so compilation make rule. (Charles Seeger)
123 * Red Hat security patch for pam_pwdb forwarded by Debian! (Ben
124 Collins. Fix provided by Andrey as it caught the problem earlier in the
126 * heuristic to prevent leaking filedescriptors to an agent. [This needs
127 to be better supported perhaps by an additional libpamc API function?]
128 * pam_userdb segfault fix from (Ben Collins)
129 * PAM draft spec extras added at request of 'sen_ml'
131 0.71: Sun Nov 7 20:21:19 PST 1999
133 * added -lc to linker pass for pam_nologin module (glibc is weird).
134 * various header changes to lower the number of warnings on glibc
135 systems (Dan Yefimov)
136 * merged a bunch of Debian fixes/patches/documentation (Ben Collins)
137 things touched: libpam (minor); doc/modules/pam_unix.sgml; pam_env
138 (plus docs); pam_mkhomedir (new module for new home directories on
139 the fly...); pam_motd (new module); pam_limits (adjust to match
140 docs); pam_issue (new module + doc) [Some of these were also
141 submitted by Thorsten Kukuk]
142 * small hack to lower the number of warnings that pam_client.h was
144 * debian and SuSE apparently can use the pam_ftp module, so
145 removed the obsolete comment about this from the docs. (Thorsten
148 0.70: Fri Oct 8 22:05:30 PDT 1999
150 * bug fix for parsing of value=action tokens in libpam/pam_misc.c was
151 segfaulting (Jan Rekorajski and independently Matthew Melvin)
152 * numerous fixes from Thorsten Kukuk (icluding much needed fixes for
153 bitrot in modules and some documentation) that got included in SuSE 6.2.
154 * reentrancy issues in pam_unix and pam_cracklib resolved (Jan Rekorajski)
155 * added hosts_equiv_rootok module option to pam_rhosts module (Tim Berger)
156 * added comment about 'expose_account' module argument to admin and
157 module writers' docs (request from Michael K Johnson).
158 * myriad of bug fixes for libpamc - library now built by default and
159 works with the biomouse fingerprint scanner agent/module
160 (distributed separately).
162 0.69: Sun Aug 1 20:25:37 PDT 1999
164 * c++ header #ifdef'ing for pam_appl.h (Tuomo Pyhala)
165 * added pam_userdb module (Cristian Gafton)
166 * minor documentation changes
167 * added in revised pam_client library (libpamc). Not installed by
168 default yet, since the example agent/module combo is not very secure.
169 * glibc fixes (Thorsten Kukuk, Adam J. Richter)
171 0.68: Sun Jul 4 23:04:13 PDT 1999
173 * completely new pam_unix module from Jan Rekorajski and Stephen Langasek
174 * Jan Rekorajski pam_mail - support for Maildir format mailboxes
175 * Jan Rekorajski pam_cracklib - support for old password comparison
176 * Jan Rekorajski bug fix for pam_pwdb setcred reusing auth retval
177 * Andrey's pam_tally patch (lstat -> fstat)
178 * Robert Milkowski's additional pam_tally patches to **change format of
179 /var/log/faillog** to one from shadow-utils, add new option "per_user"
180 for pam_tally module, failure time logging, support for fail_line
181 field, and support for fail_locktime field with new option
183 * pam_tally: clean up the tally application too.
184 * Marcin Korzonek added process priority settings to pam_limits (bonus
185 points for adding to documentation!)
186 * Andrey's pam_pwdb patch (cleanup + md5 endian fubar fix)
187 * more binary prompt preparations (make misc conv more compatible with spec)
188 * modified callback hook for fail delay to be more useful with event
189 driven applications (changed function prototype - suspect no one
190 will notice). Documented this in app developer guide.
191 * documentation for pam_access from Tim Berger
192 * syntax fixes for the documentation - a long time since I've built it :*(
193 added some more names to the CREDITS file.
195 0.67: Sat Jun 19 14:01:24 PDT 1999
197 * [dropped libpam_client - libpamc will be in the next release and
198 conforms to the developing spec in doc/specs/draft-morgan-pam.raw.
199 Sorry if you are keeping a PAM tree in CVS. CVS is a pain for
200 directories, but this directory was actually not referenced by
201 anything so the disruption should be light.]
202 * updates to pam_tally from Tim
203 * multiple updates from Stephen Langasek to pam_unix
204 * pam_filter had some trouble compiling (bug report from Sridhar)
205 * pam_wheel now attempts to identify the wheel group for the local
206 system instead of blindly assuming it is gid=0. In the case that
207 there is no "wheel" group, we default to assuming gid=0 is what was
208 meant - former behavior. (courtesy of Sridhar)
209 * NIS+ changes to pam_unix module from Dmitry O Panov
210 * hopefully, a fix for redefinition of LOG_AUTHPRIV (bug report Luke
211 Kenneth Casson Leighton)
212 * fix for minor typo in pam_wheel documentation (Jacek Kopecky)
213 * slightly more explanation of the [x=y] pam.conf syntax in the sys
216 0.66: Mon Dec 28 20:22:23 PST 1998 <morgan@linux.kernel.org>
218 * Started using cvs to keep track of changes to Linux-PAM. This will
219 likely break some of the automated building stuff (RPMs etc..).
220 * security bug fix to pam_unix and pam_tally from Andrey.
221 * modules make file is now more automatic. It should be possible to
222 unpack an external module in the modules directory and have it automatically
223 added to the build process. Also added a modules/download-all script
224 that will make such downloading easier. I'm happy to receive patches to
225 this file, informing the distribution of places from which to enrich itself.
226 * removed pam_system_log stuff. Thought about it long and hard: a
227 bad idea. If libc cannot guarantee a thread safe syslog, it needs
228 to be fixed and compatibility with other PAM libraries was
229 unnecessarily strained.
230 * SAG documentation changes: Seth Chaiklin
231 * rhosts: problems with NIS lookup failures with the root-uid check.
232 As a work-around, I've partially eliminated the need for the lookup
233 by supplying two new arguments: no_uid_check, superuser=<username>.
234 As a general rule this is more pluggable, since this module might be
235 used as an authentication scheme for a network service that does not
236 need root privilege...
237 * authenticate retval -> setcred for pam_pwdb (likeauth arg).
238 * pam_pwdb event driven support
239 * non openlog pam_listfile logging
240 * BUGFIX: close filedescriptor in pam_group and pam_time (Emmanuel Galanos)
241 * Chris Adams' mailhash change for pam_mail module
242 * fixed malloc failure check in pam_handlers.c (follow up to comment
244 * update to _pam_compat.h (Brad M. Garcia)
245 * support static modules in libpam again (Brad M. Garcia)
246 * libpam/pam_misc.c for egcs to grok the code (Brad M. Garcia)
247 * added a solaris-2.5.1 defs file (revived by Derrick J Brashear)
248 * pam_listfile logs failed attempts
249 * added a comment (Michael K Johnson pointed it out) about sgml2latex
250 having a new syntax. I'll make it the change real when I upgrade...
251 * a little more text to the RFC, spelling fix from William J Buffam.
252 * minor changes to pam_securetty to accommodate event driven support.
254 0.65: Sun Apr 5 22:29:09 PDT 1998 <morgan@linux.kernel.org>
256 * added event driven programming extensions to libpam
257 - added PAM_INCOMPLETE handling to libpam/pam_dispatch.c
258 - added PAM_CONV_AGAIN which is a new conversation response that
259 should be mapped to PAM_INCOMPLETE by the module.
260 - ensured that the pam_get_user() function can resume
261 - changes to pam_strerror to accommodate above return codes
262 - clean up _pam_former_state at pam_end()
263 - ensured that former state is correctly initialized
264 - added resumption tests to pam_authenticate(), pam_chauthtok()
265 - added PAM_FAIL_DELAY item for pausing on failure
267 * improved _pam_macros.h so that macros can be used as single commands
270 * reimplemented logging to avoid bad interactions with libc. Added
271 new functions, pam_[,v]system_log() to libpam's API. A programmer
272 can check for this function's availablility by checking if
273 HAVE_PAM_SYSTEM_LOG is #defined.
275 * removed the reduce conflict from pam_conv1 creation -- I can sleep
278 * made building of static and dynamic libpam separate. This is
279 towards making it possible to build both under Solaris (for Derrick)
281 * made USE_CRACKLIB a condition in unix module (Luke Kenneth Casson Leighton)
283 * automated (quiet) config installation (Andrey)
285 0.64: Thu Feb 19 23:30:24 PST 1998 Andrew Morgan <morgan@linux.kernel.org>
287 * miscellaneous patches for building under Solaris (Derrick J Brashear)
289 * removed STATIC support from a number of module Makefiles. Notably,
290 these modules are those that use libpwdb and caused difficulties
291 satisfying the build process. (Please submit patches to fix this...;)
293 * reomved the union for binary packet conversations from
294 (_pam_types.h). This is now completely implemented in libpam_client.
296 * Andrey's patch for working environment variable handling in
299 * made the libpam_misc conversation function a bit more flexible with
300 respect to binary conversations.
302 * added top level define (DEBUG_REL) for compiling in the form of
303 a debugging release. I use this on a Red Hat 4.2 system with little
304 chance of crashing the system as a whole. (Andrey has another
305 implementation of this -- with a spec file to match..)
307 0.63: Wed Jan 28 22:55:30 PST 1998 Andrew Morgan <morgan@linux.kernel.org>
309 * added libpam_client "convention" library. This makes explicit the
310 use of PAM_BINARY_PROMPT. It is a first cut, so don't take it too
311 seriously yet. Comments/suggestions for improvements are very
312 welcome. Note, this library does not compile by default. It will
313 be enabled when it is judged stable. The library comes with two
314 module/agent pairs and can be used with ssh using a patch available
315 from my pre-release directory [where you got this file.]
317 * backward compatibility patch for libpam/pam_handlers.c (PAM_IGNORE
318 was working with neither "requistie" nor "required") and a DEBUG'ing
319 compile time bug with pam_dispatch.c (Savochkin Andrey Vladimirovich)
321 * minor Makefile change from (Savochkin Andrey Vladimirovich)
323 * added pam_afsauth, pam_afspass, pam_restrict, and pam_syslog hooks
326 * pam_access use of uname(2) problematic (security problem
327 highlighted by Olaf Kirch).
329 * pam_listfile went a bit crazy reading group membersips (problem
330 highlighted by Olaf Kirch and patched independently by Cristian
331 Gafton and Savochkin Andrey Vladimirovich)
333 * compatibility hooks for solaris and hpux (Derrick J Brashear)
335 * 64 bit Linux/alpha bug fixed in pam_rhosts (Andrew D. Isaacson)
337 0.62: Wed Jan 14 14:10:55 PST 1998 Andrew Morgan <morgan@linux.kernel.org>
339 * Derrick J Brashear's patches: adds the HP stuff missed in the first
340 patch; adds SunOS support; adds support for the Solaris native ld
341 instead of requiring gnu ld.
343 * last line of .rhosts file need not contain a newline. (Bug reported by
346 0.61: Thu Jan 8 22:57:44 PST 1998 Andrew Morgan <morgan@linux.kernel.org>
348 * complete rewrite of the "control flag" logic. Formerly, we were
349 limited to four flags: requisite, required, sufficient, optional.
350 We can now use these keywords _and_ a great deal more besides.
351 The extra logic was inspired by Vipin Samar, a preliminary patch was
352 written by Andy Berkheimer, but I "had some ideas of my own" and
353 that's what I've actually included. The basic idea is to allow the
354 admin to custom build a control flag with a series of token=value
355 pairs inside square brackets. Eg., '[default=die success=ok]' which
356 is pretty close to a synonym for 'requisite'. I'll try to document it
357 better in the sys-admin guide but I'm pretty sure it is a change for
358 the better.... If what is in the sys-admin guide is not good enough
359 for you, just take a look at the source for libpam ;^)
361 0.59: Thu Jan 8 22:27:22 PST 1998 Andrew Morgan <morgan@linux.kernel.org>
363 * better handling of empty lines in .rhosts file. (Formerly, we asked
364 the nameserver about them!) Fix from Hugh Daschbach.
366 * _broke_some_binary_compatibility_ with previous versions to become
367 compliant with X/Open's XSSO spec. Specifically, this has been
368 by changing the prototype for pam_strerror().
370 * altered the convention for the conversation mechanism to agree
371 with that of Sun. (number of responses 'now=' number of messages
372 with help from Cristian for finding a bug.. Cristian also found a
373 nasty speradic segfault bug -- Thanks!)
375 * added NIS+ support to pam_unix_*
377 * fixed a "regular file checking" problem with the ~/.rhosts sanity
378 check. Added "privategroup" option to permit group write permission
379 on the ~/.rhosts file in the case that the group owner has the same
380 name as the authenticating user. :*) "promiscuous" and "suppress"
383 * added glibc compatibility to pam_rhosts_auth (protected __USE_MISC
384 with #ifndef since my libc already defines it!).
386 * Security fix from Savochkin Andrey Vladimirovich with suggested
387 modification from Olaf Seibert.
389 * preC contains mostly code clean-ups and a number of changes to
394 * pam_getenvlist() has a more robust definition (XSSO) than was previously
395 thought. It would seem that we no longer need pam_misc_copy_env()
396 which was there to provide the robustness that pam_getenvlist()
399 Accordingly, I have REMOVED the prototype from libpam_misc. (The
400 function, however, will remain in the library as a wrapper for
401 legacy apps, but will likely be removed from libpam_misc-1.0.) PLEASE
402 FIX YOUR APPS *BEFORE* WE GET THERE!
404 * Alexy Nogin reported garbage output from pam_env in the case of
405 a non-existent environment variable.
407 * 'fixed' pwdb compilation for pam_wheel. Not very cleanly
408 done.. Mmmm. Should really clean up the entire source tree...
410 * added prototypes for mapping functions
414 various constants have had there names changed. Numerical values have
415 been retained but be aware some source old modules/applications will
416 need to be fixed before recompilation.
420 * appended documentation to README for pam_rhosts module (Nicolai
423 * verified X/Open compatibility of header files - note, where we differ
424 it is at the level of compilation warnings and the use of 'const char *'
425 instead of 'char *'. Previously, Sun(X/open) have revised their spec
426 to be more 'const'-ervative in the light of comments from Linux-PAM
429 * Ooops! PAM_AUTHTOKEN_REQD should have been PAM_NEW_AUTHTOK_REQD.
431 changed: pam_pwdb(pam_unix_acct) (also bug fix for
432 _shadow_acct_mgmt_exp() return value), pam_stress,
433 libpam/pam_dispatch, blank, xsh.
435 * New: PAM_AUTHTOK_EXPIRED - password has expired.
437 * Ooops! PAM_CRED_ESTABLISH (etc.) should have been PAM_ESTABLISH_CRED
438 etc... (changed - this may break some people's modules - PLEASE TAKE
440 changed: pam_group, pam_mail, blank, xsh; module and appl
441 docs, pam_setcred manual page.
443 * renamed internal _pam_handle structure to be pam_handle as per XSSO.
445 * added PAM_RADIO_TYPE (for multiple choice input method). Also
446 added PAM_BINARY_{MSG,PROMPT} (for interaction out of sight of user
447 - this could be used for RSA type authentication but is currently
448 just there for experimental purposes). The _BINARY_ types are now
449 usable with hooks in the libpam_misc conversation function. Still
450 have to add PAM_RADIO_TYPE.
452 * added pam_access module (Alexei Nogin)
454 * added documentation for pam_lastlog. Also modified the module to
455 not (by default) print "welcome to your new account" when it cannot
456 find a utmp entry for the user (you can turn this on with the
459 * small correction to the pam_fail_delay manual page. Either the appl or
460 the modules header file will prototype this function.
462 * added "bigcrypt" (DEC's C2) algorithm(0) to pam_pwdb. (Andy Phillips)
464 * *BSD tweaking for various #include's etc. (pam_lastlog, pam_rhosts,
465 pam_wheel, libpam/pam_handlers). (Michael Smith)
467 * added configuration directory $SCONFIGED for module specific
470 * added two new "linked" man pages (pam.conf(8) and pam.d(8))
472 * included a reasonable default for /etc/pam.conf (which can be
473 translated to /etc/pam.d/* files with the pam_conv1 binary)
475 * fixed the names of the new configuration files in
476 conf/pam_conv1/pam_conv.y
480 * pam_lastlog fixed to handle UID in virgin part of /var/log/lastlog
481 (bug report from Ronald Wahl).
483 * grammar fix in pam_cracklib
485 * segfault avoided in pam_pwdb (getting user). Updating of passwords
486 that are directed to a "new" database are more robust now (bug noted
487 by Michael K. Johnson). Added "unix" module argument for migrating
488 passwords from another database to /etc/passwd. (documentation
489 updated). Removed "bad username []" warning for empty passwords -
490 on again if you supply the 'debug' module argument.
492 * ctrl-D respected in conversation function (libpam_misc)
494 * Removed -DPAM_FAIL_DELAY_ON from top-level Makefile. Nothing in
495 the distribution uses it. I guess this change happened a while
496 back, basically I'm trying to make the module parts of the
497 distribution "source compatible" with the RFC definition of PAM.
498 This implementation of PAM is a superset of that definition. I have
499 added the following symbols to the Linux-PAM header files:
501 PAM_DATA_SILENT (see _pam_types.h)
502 HAVE_PAM_FAIL_DELAY (see _pam_types.h)
503 PAM_DATA_REPLACE (see _pam_modules.h)
505 Any module (or application) that wants to utilize these features,
506 should check (#ifdef) for these tokens before using the associated
507 functionality. (Credit to Michael K. Johnson for pointing out my
508 earlier omission: not documenting this change :*)
510 * first stab at making modules more independent of full library
511 source. Modules converted:
517 * pam_env.c: #include <errno.h> added to ease GNU libc use. (Michael
520 * pam_unix_passwd fixes to shadow aging code (Eliot Frank)
522 * added README for pam_tally
524 0.57: Fri Apr 4 23:00:45 PST 1997 Andrew Morgan <morgan@parc.power.net>
526 * added "nodelay" argument to pam_pwdb. This can be used to turn off
527 the call to pam_fail_delay that takes effect when the user fails to
528 authenticate themself.
530 * added "suppress" argument to pam_rhosts_auth module. This will stop
531 printing the "rlogin failure message" when the user does not have a
534 * Extra fixes for FAKEROOT in Makefiles (Savochkin Andrey
537 * pam_tally added to tree courtesy of Tim Baverstock
539 * pam_rhosts_auth was failing to read NFS mounted .rhosts
540 files. (Fixed by Peter Allgeyer). Refixed and further enhanced
541 (netgroups) by Nicolai Langfeldt. [Credit also to G.Wilford for some
542 changes that were not actually included..]
544 * optional (#ifdef PAM_READ_BOTH_CONFS) support for parsing of pam.d/
545 AND pam.conf files (Elliot Lee).
547 * Added (and signed) Cristian's PGP key. (I've never met him, but I am
548 convinced the key belongs to the guy that is making the PAM rpms and
549 also producing libpwdb. Please note, I will not be signing anyone
550 else's key without a personal introduction..)
552 * fixed erroneous syslog warning in pam_listfile (Savochkin Andrey
553 Vladimirovich, whole file reformatted by Cristian)
555 * modified pam_securetty to return PAM_IGNORE in the case that the user's
556 name is not known to the system (was previously, PAM_USER_UNKNOWN). The
557 Rationale is that pam_securetty's sole purpose is to prevent superuser
558 login anywhere other than at the console. It is not its concern that the
559 user is unknown - only that they are _not_ root. Returning
560 PAM_IGNORE, however, insures that the pam_securetty can never be used to
561 "authenticate" a non-existent user. (Cristian Gafton with bug report from
564 * Modified pam_nologin to display the no-login message when the user
565 is not known. The return value in this case is still PAM_USER_UNKNOWN.
566 (Bug report from Cristian Gafton)
568 * Added NEED_LCKPWD for pam_unix/ This is used to define the locking
569 functions and should only be turned on if you don't have them in
572 * tidied up pam_lastlog and pam_pwdb: removed function that was never used.
574 * Note for package maintainers: I have added $(FAKEROOT) to the list of
575 environment variables. This should help greatly when you build PAM
576 in a subdirectory. I've gone through the tree and tried to make
577 everything compatible with it.
579 * added pam_env (courtesy of Dave Kinchlea)
581 * removed pam_passwd+ from the tree. It has not been maintained in a
582 long time and running a shell script was basically insecure. I've
583 indicated where you can pick up the source if you want it.
585 * #define HAVE_PAM_FAIL_DELAY . Applications can conditionally compile
586 with this if they want to see if the facility is available. It is
587 now always available. (corresponding compilation cleanups..)
589 * _pam_sanitize() added to pam_misc. It purges the PAM_AUTHTOK and
590 PAM_OLDAUTHTOK items. (calls replaced in pam_auth and pam_password)
592 * pam_rhosts now knows about the '+' entry. Since I think this is a
593 dangerous thing, I have required that the sysadmin supply the
594 "promiscuous" flag for it in the corresponding configuration file
597 * FULL_LINUX_PAM_SOURCE_TREE exported from the top level make file.
598 If you want to build a module, you can test for this to determine if
599 it should take its directions from above or supply default locations
600 for installation. Etc.
602 0.56: Sat Feb 15 12:21:01 PST 1997 <morgan@parc.power.net>
604 * pam_handlers.c can now interpret the pam.d/ service config tree:
605 - if /etc/pam.d/ exists /etc/pam.conf is IGNORED
606 (otherwise /etc/pam.conf is treated as before)
608 . config files are named (in lower case) by service-name
609 . config files have same syntax as /etc/pam.conf except
610 that the "service-name" field is not present. (there
611 are thus three manditory fields (and arguments are
614 module-type control-flag module-path optional-args...
618 * included conf/pam_conv1 for converting pam.conf to a pam.d/ version
619 1.0 directory tree. This program reads a pam.conf file on the
620 standard input stream and creates ./pam.d/ (in the local directory)
621 and fills it with ./pam.d/"service-name" files.
623 *> Note: It will fail if ./pam.d/ already exists.
625 PLEASE REPORT ANY BUGS WITH THIS CONVERSION PROGRAM... It currently
626 cannot retain comments from the old conf file, so take care to do this
627 by hand. Also, please email me with the fix that makes the
628 shift/reduce conflict go away...
630 * Added default module path to libpam for modules (see pam_handlers.c)
631 it makes use of Makfile defined symbol: DEFAULT_MODULE_PATH which is
632 inhereted from the defs/* variable $(SECUREDIR). Removed module
633 paths from the sample pam.conf file as they are no longer needed.
635 * pam_pwdb can now verify read protected passwords when it is not run
636 by root. This is via a helper binary that is setuid root.
638 * pam_permit now prompts for a username if it is not already determined
640 * pam_rhosts now honors "debug" and no longer hardwire's "root" as the
643 * pam_securetty now honors the "debug" flag
645 * trouble parsing extra spaces fixed in pam_time and pam_group
647 * added Michael K. Johnson's PGP key to the pgp.keys.asc list
649 * pam_end->env not being free()'d: fixed
651 * manuals relocated to section 3
653 * fixed bug in pam_mail.c, and enhanced to recognize '~' as a prefix
654 to indicate the $HOME of the user (courtesy David
655 Kinchlea). *Changed* from a "session" module to an "auth"
656 module. It cannot be used to authenticate a user, but it can be used
657 in setting credentials.
659 * fixed a stupid bug in pam_warn.. Only PAM_SERVICE was being read :*(
661 * pam_radius rewritten to exclusively make use of libpwdb. (minor fix
662 to Makefile for cleaning up - AGM)
664 * pam_limits extended to limit the total number of logins on a system
667 * libpam and libpam_misc use $(MAJOR_REL) and $(MINOR_REL) to set their
668 version numbers [defined in top level makefile]
670 * bugfix in sed command in defs/redhat.defs (AGM's fault)
672 * The following was related to a possibility of buffer overruns in
673 the syslogging code: removed fixed length array from syslogging
674 function in the following modules [capitalized the log identifier
675 so the sysadmin can "know" these are fixed on the local system],
677 pam_ftp, pam_stress, pam_rootok, pam_securetty,
678 pam_listfile, pam_shells, pam_warn, pam_lastlog
680 pam_unix_passwd (where it was definitely _not_ exploitable)
682 0.55: Sat Jan 4 14:43:02 PST 1997, Andrew Morgan <morgan@parc.power.net>
684 * added "requisite" control_flag to /etc/pam.conf syntax. [See
685 Sys. Admin. Guide for explanation] changes to pam_handlers.c
687 * completely new handling of garbled pam.conf lines. The modus
688 operandi now is to assume that any errors in the line are minor.
689 Errors of this sort should *most definitely* lead to the module
690 failing, however, just ignoring the line (as was the case
691 previously) can lead to gaping security holes(! Not foreseen by the
692 RFC). The "motivation" for the RFC's comments about ignoring garbled
693 lines is present in spirit in the new code: basically a garbled line
694 is treated like an instance of the pam_deny.so module.
695 changes to pam_handlers.c and pam_dispatch.c .
697 * patched libpam, to (a) call _pam_init_handlers from pam_start() and
698 (b) to log a text error if there are no modules defined for a given
699 service when a call to a module is requested. [pam_start() and
700 pam_dispatch() were changed].
702 * patched pam_securetty to deal with "/dev/" prefix on PAM_TTY item.
704 * reorganized the modules/Makefile to include *ALL* modules. It is now
705 the responsibility of the modules themselves to test whether they can
706 be compiled locally or not.
708 * modified pam_group to add to the getgroups() list rather than overwrite
709 it. [In the case of "HAVE_LIBPWDB" we use the pwdb_..() calls to
710 translate the group names.]. Module now pays attention to
713 * identified and removed bugs in field reading code of pam_time and
716 * Cristian's patches to pam_listfile module, corresponding change to
719 * I've discovered &ero; for sgml!
720 Added pam_time documentation to the admin guide.
722 * added manual pages: pam.8, pam_start.2(=pam_end.2),
723 pam_authenticate.2, pam_setcred.2, pam_strerror.2,
724 pam_open_session.2(=pam_close_session.2) and pam_chauthtok.2 .
728 - pam_mail (tells the user if they have any new mail
729 and sets their MAIL env variable)
730 - pam_lastlog (reports on the last time this user called
733 * new module hooks provided.
735 * added a timeout feature to the conversation function in
736 libpam_misc. Documented it in the application developers' guide.
738 * fixed bug in pam_misc_paste_env() function..
740 * slight modifications to wheel and rhosts writeup.
742 * more security issues added to module and application guides.
745 Things present but not mentioned in previous release (sorry)
747 * pam_pwdb module now resets the "last_change" entry before updating a
751 Sat Nov 30 19:30:20 PST 1996, Andrew Morgan <morgan@parc.power.net>
753 * added environment handling to libpam. involved change to _pam_types.h
754 also added supplementary functions to libpam_misc
756 * added pam_radius - Cristian
758 * slight speed up for pam_rhosts
760 * significantly enhanced sys-admin documentation (8 p -> 41 p in
761 PostScript). Added to other documentation too. Mostly the changes
762 in the other docs concern the new PAM-environment support, there is
763 also some coverage of libpam_misc in the App. Developers' guide.
765 * Cristian's patches to pam_limits and pam_pwdb. Fixing bugs. (MORE added)
767 * adopted Cristian's _pam_macros.h file to help with common macros and
768 debugging stuff, gone through tree tidying up debugging lines to use
771 - for consistency replaced DROP() with _pam_drop()
773 * commented memory debugging in top level makefile
775 * added the following modules
777 - pam_warn log information to syslog(3) about service application
778 - pam_ftp if user is 'ftp' then set PAM_RUSER/PAM_RHOST with password
779 (comment about nologin added to last release's notes)
781 * modified the pam_listfile module. It now declares a meaningful static
784 Sun Nov 10 13:26:39 PST 1996, Andrew Morgan <morgan@parc.power.net>
786 **PLEASE *RE*AMEND YOUR PERSONAL LINKS**
788 -------> http://parc.power.net/morgan/Linux-PAM/index.html <-------
790 **PLEASE *RE*AMEND YOUR PERSONAL LINKS**
792 A brief summary of what has changed:
794 * many modules have been modified to accomodate fixing the pam_get_user()
795 change. Please take note if you have a module in this distribution.
797 * pam_unix is now the pam_unix that Red Hat has been using and which
798 should be fairly well debugged.
800 - I've added some #ifdef's to make it compile for me, and also
801 updated it with respect to the libpam-0.53, so have a look at the
802 .../modules/pam_unix/Makefile to enable cracklib and shadow features
804 ** BECAUSE OF THIS, I cannot guarantee this code works as it **
805 ** did for Red Hat. Please test and report any problems. **
807 * the pam_unix of .52 (renamed to pam_pwdb) has been enhanced and made
808 more flexible with by implementing it with respect to the new
809 "Password Database Library" see
811 http://parc.power.net/morgan/libpwdb/index.html
813 modules included in this release that require this library to
814 function are the following:
816 - pam_pwdb (ne pam_unix-0.52 + some enhancements)
821 * Added some optional code for memory debugging. In order to support
822 this you have to enable MEMORY_DEBUG in the top level makefile and
823 also #define MEMORY_DEBUG in your applications when they are compiled.
824 The extra code resides in libpam (compiled if MEMORY_DEBUG is defined)
825 and the macros for malloc etc. are to be found at the end of
828 * used above code to locate two memory leaks in pam_unix module and two
829 in libpam (pam_handlers.h)
831 * pam_get_user() now sets the PAM_USER item. After reading the Sun
832 manual page again, it was clear that it should do this. Various
833 modules have been assuming this and now I have modified most of them
834 to account for this change. Additionally, pam_get_user() is now
835 located in the module include file; modules are supposed to be the
836 ones that use it(!) [Note, this is explicitly contrary to the Sun
837 manual page, but in the spirit of the Linux distribution to date.]
839 * replaced -D"LINUX" with -D"LINUX_PAM" as this is more explicit and less
840 likely to be confused with -D"linux".
841 Also, modified the libpam #include files to behave more like the Sun
842 ones #ifndef LINUX_PAM.
844 * removed <bf/ .. / from documentation titles. This was not giving
845 politically correct html..
847 ----- My vvvvvvvvvvvvvvvvvvv was a long time ago ;*] -----
849 Wed Sep 4 23:57:19 PDT 1996 (Andrew Morgan <morgan@physics.ucla.edu>
851 0. Before I begin, Linux-PAM has a new primary distribution site (kindly
852 donated by Power Net Inc., Los Angeles)
854 **PLEASE AMMEND YOUR PERSONAL LINKS**
856 -------> http://www.power.net/morgan/Linux-PAM <-------
858 **PLEASE AMMEND YOUR PERSONAL LINKS**
860 1. I'm hoping to make the next release a bug-fix release... So please find
863 2. here are the changes for .52:
865 * minor changes to module documentation [Incidently, it is now
866 available on-line from the WWW page above]. More changes to follow in
867 the next two releases. PLEASE EMAIL me or the list if there is
868 anything that isn't clear!
870 * completely changed the unix module. Now a single module for all four
871 management groups (this meant that I could define all functions as
872 static that were not part of the pam_sm_... scheme. AGM)
874 - Shadow support added
875 PASSWD - Elliot's account management included, and enhanced by Cristian Gafton.
876 - MD5 password support added by Cristian Gafton.
877 - maxtries for authentication now enforced.
878 - Password changing function in pam_unix now works!
879 Although obviously, I'm not going to *guarantee* it ;^) .
880 - stole Marek's locking code from the Red Hat unix module.
881 [ If you like you can #ifdef it in or out ... ]
883 You can configure the module more from its Makefile in
884 0.52/modules/pam_unix/
886 If you are nervous that it will destroy your /etc/passwd or shadow
887 files then EDIT the 0.52/modules/pam_unix/pam_unix_pass.-c file.
888 Here is the warning comment from this file...
890 -------------8<-----------------
893 * Uncomment the following #define if you are paranoid, and do not
894 * want to risk losing your /etc/passwd or shadow files.
895 * It works for me (AGM) but there are no guarantees.
899 /* #define TMP__FILE */
900 ------------->8-----------------
902 *** If anyone has any trouble, please *say*. Your problem will be
903 fixed in the next release. Also please feel free to scour the
904 code for race conditions etc...
906 [* The above change requires that you purge your /usr/lib/security
907 directory of the old pam_unix_XXX.so modules: they will NOT be deleted
908 with a 'make remove'.]
910 * the prototype for the cleanup function supplied to pam_set_data used
911 to return "int". According to Sun it should be "void". CHANGED.
913 * added some definitions for the 'error_status' mask values that are
914 passed to the cleanup function associated with each
915 module-data-item. These numbers were needed to keep up with changing
916 a data item (see for example the code in pam_unix/support.-c that
917 manages the maximum number of retries so far). Will see what Sun says
918 (current indications are positive); this may be undone before 1.0 is
919 released. Here are the definitions (from pam_modules.h).
921 #define PAM_DATA_SILENT 0x40000000 /* used to suppress messages... */
922 #define PAM_DATA_REPLACE 0x20000000 /* used when replacing a data item */
924 * Changed the .../conf/pam.conf file. It now points to the new
925 pam_unix module for 'su' and 'passwd' [can get these as SimpleApps --
926 I use them for testing. A more extensive selection of applications is
927 available from Red Hat...]
929 * corrected a bug in pam_dispatch. Basically, the problem was that if
930 all the modules were "sufficient" then the return value for this
931 function was never set. The net effect was that _pam_dispatch_aux
932 returned success when all the sufficient modules failed. :^( I think
933 this is the correct fix to a problem that the Red Hat folks had
936 sopwith* Removed advisory locking from libpam (thanks for the POSIX patch
937 goes to Josh Wilmes's, my apologies for not using it in the
938 end.). Advisory locking did not seem sufficiently secure for libpam.
939 Thanks to Werner Almesberger for identifying the corresponding "denial
940 of service attack". :*(
942 * related to fix, have introduced a lock file /var/lock/subsys/PAM
943 that can be used to indicate the system should pay attention to
944 advisory locking on /etc/pam.conf file. To implement this you need to
945 define PAM_LOCKING though. (see .52/libpam)
947 * modified pam_fail_delay() function. Couldn't find the "not working"
948 problem indicated by Michael, but modified it to do pseudo-random
949 delays based on the values indicated by pam_fail_delay() -- the
950 function "that may eventually go away"... Although Sun is warming to
953 * new modules include:
955 pam_shells - authentication for users with a shell listed in
956 /etc/shells. Erik Troan <ewt@redhat.com>
958 pam_listfile - authentication based on the contents of files.
959 Set to be more general than the above in the
960 future. UNTESTED. Elliot Lee <@redhat.com>
961 [Note, this module compiles with a non-trivial
964 Thu Aug 8 22:32:15 PDT 1996 (Andrew Morgan <morgan@physics.ucla.edu>)
966 * modified makefiles to take more of their installation instructions
967 from the top level makefile. Desired for integration into the Debian
968 distribution, and generally a good idea.
970 * fixed memory arithmetic in pam_handlers
971 -- still need to track down why failure to load modules can lead to
972 authentication succeding..
974 * added tags for new modules (smartcards from Alex -- just a promise
975 at this stage) and a new module from Elliot Lee; pam_securetty
977 * I have not had time to smooth out the wrinkles with it, but Alex's
978 pam_unix modifications are provided in pam_unix-alex (in the modules
979 directory) they will not be compiled by 'make all' and I can't even
980 say if they do compile... I will try to look at them for .52 but, in
981 the mean time please feel free to study/fix/discuss what is there.
983 * pam_rhosts module. Removed code for manually setting the ruser
984 etc. This was not very secure.
986 * [remade .ps docs to be in letter format -- my printer complains
989 Sunday July, 7 12:45:00 PST 1996 (Andrew Morgan <morgan@physics.ucla.edu>)
991 * No longer accompanying the Linux-PAM release with apps installed.
992 [Will provide what was here in a separate package.. (soon)
993 lib Also see http://www.redhat.com/pam for some more (in .rpm form...)]
995 * renamed libmisc to libpam_misc. It is currently configured to only compile
996 the static library. For some strange reason (perhaps someone can
997 investigate) my Linux 2.0.0 kernel with RedHat 3.0.3 system
998 segfaults when I compile it to be a dynamic library. The segfault
999 seems to be inside the call to the ** dl_XXX ** function...!?
1001 There is a simple flag in the libpam_misc/Makefile to turn on dynamic
1004 * Added a little unofficial code for delay support in libpam (will probably
1005 disappear later..) There is some documentation for it in the pam_modules
1006 doc now. That will obviously go too.
1008 * rewritten pam_time to use *logic* to specify the stringing together of
1009 users/times/terminals etc.. (what was there before was superficially
1010 logical but basically un-predictable!)
1012 * added pam_group. Its syntax is almost identical to pam_time but it
1013 has another field added; a list of groups to make the user a member
1014 of if they pass the previous tests. It seems to not co-exist too well
1015 with the groups in the /etc/group but I hope to have that fixed by
1018 * minor re-formatting of pam_modules documentation
1020 * removed ...// since it wasn't being used and didn't look like it
1023 GCCSunday 23 22:35:00 PST 1996 (Andrew Morgan <morgan@physics.ucla.edu>)
1025 * The major change is the addition of a new module: pam_time for
1026 restricting access on terminals at given times for indicated users
1027 it comes with its own configuration file /etc/security/time.conf
1028 and the sample file simply restricts 'you' from satisfying the blank
1029 application if they try to use blank from any tty*
1031 * Small changes include
1032 - altered pam.conf to demonstrate above new module (try typing username: you)
1033 - very minor changes to the docs (pam_appl and pam_modules)
1035 Saturday June 2 01:40:00 PST 1996 (Andrew Morgan <morgan@physics.ucla.edu>)
1037 *** PLEASE READ THE README, it has changed ***
1039 * NOTE, 'su' exhibits a "system error", when static linking is
1040 used. This is because the pam_unix_... module currently only has
1041 partial static linking support. This is likely to change on Monday
1042 June 3, when Alex makes his latest version availible. I will include
1043 the updated module in next release.
1047 * modified the way in which libpam/pam_modules.h defines prototypes for
1048 the pam_sm_ functions. Now the module must declare which functions it
1049 is to provide *before* the #include <security/pam_modules.h> line.
1050 (for contrasting examples, see the pam_deny and pam_rootok modules)
1051 This removed the ugly hack of defining functions that are never called
1052 to overcome warnings... This seems much tidier.
1053 insterted* updated the TODO list. (changed mailing list address)
1054 * updated README in .../modules to reflect modifications to static
1055 compliation protocol
1056 * modified the pam_modules documentation to describe this.
1057 * corrected last argument of pam_get_item( ... ) in
1058 pam_appl/modules.sgml, to "const void **".
1059 * altered GNU GPL's in the documentation, and various other parts of
1060 the distribution. *Please check* that any code you are responsible for
1062 * Added ./Copyright (please check that it is acceptable)
1063 * updated ./README to make current and indicate the new mailing list
1065 * have completely rewritten pam_filter. It now runs modular filter
1066 executables (stored in /usr/sbin/pam_filter/) This should make it
1067 trivial for others to write their own filters.. If you want yours
1068 included in the distribution please email the list/me.
1069 * changes to libpam; there was a silly bug with multiple arguments on a
1070 pam.conf line that was broken with a '\<LF>'.
1071 * 'su' rearranged code (to make better use of PAM)
1072 *Also* now uses POSIX signals--this should help the Alpha port.
1073 * 'passwd' now uses getlogin() to determine who's passwords to change.
1075 Sunday May 26 9:00:00 PST 1996 (Andrew Morgan <morgan@physics.ucla.edu>)
1077 * fixed module makefiles to create needed dynamic/static subdirectories
1079 Saturday May 25 20:30:27.8 PST 1996 (Andrew Morgan <morgan@physics.ucla.edu>)
1081 * LOTS has changed regarding how the modules/libpam are built.
1082 * Michael's mostly complete changes for static support--see below
1083 (Andrew got a little carried away and automated the static linking
1084 of modules---bugs are likely mine ;( )
1085 * Thanks mostly to Michael, libpam now compiles without a single warning :^]
1086 * made static modules/library optional.
1087 CFLAGS* added 'make sterile' to top level makefile. This does extraclean and remove
1088 * added Michael and Joseph to documentation credits (and a subsection for
1089 future documentation of static module support in pam_modules.sgml)
1090 * libpam; many changes to makefiles and also automated the inclusion of
1091 static module objects in pam_static.c
1092 * modified modules for automated static/dynamic support. Added static &
1093 dynamic subdirectories, as instructed by Michael
1094 * removed an annoying syslog message from pam_filter: "parent exited.."
1095 * updated todo list (anyone know anything about svgalib/X? we probably should
1096 have some support for these...)
1098 Friday May 24 16:30:15 EDT 1996 (Michael K. Johnson <johnsonm@redhat.com>)
1100 * Added first (incomplete) cut at static support.
1102 . changes in libpam, including a new file, pam_static.c
1103 . changes to modules including exporting struct of function pointers
1104 . static and dynamic linking can be combined
1105 . right now, the only working combinations are just dynamic
1106 linking and dynamic libpam.so with static modules linked
1107 into libpam.so. That's on the list of things to fix...
1108 . modules are built differently depending on whether they
1109 are static or dynamic. Therefore, there are two directories
1110 under each module directory, one for static, and one for
1112 * Fixed random brokenness in the Makefiles. [ foo -nt bar ] is
1113 rather redundant in a makefile, for instance. Also, passing
1114 on the command line is broken because it cannot be
1115 overridden in any way (even adding important parts) in lower-level
1117 * Unfortunately, fixing some of the brokenness meant that I used
1118 GNU-specific stuff. However, I *think* that there was GNU-specific
1119 stuff already. And I think that we should just use the GNU
1120 extensions, because any platform that GNU make doesn't port to
1121 easily will be hard to port to anyway. It also won't be likely
1122 passwd to handle autoconf, which was Ted's suggestion for getting
1123 around limitations in standard make...
1124 For now, I suggest that we just use some simple GNU-specific
1127 Monday May 20 22:00:00 PST 1996 (Andrew Morgan <morgan@physics.ucla.edu>)
1129 * added some text to pam_modules.sgml
1130 * corrected Marek's name in all documentation
1131 * made pam_stress conform to chauthtok conventions -- ie can now request
1132 old password before proceeding.
1133 * included Alex's latest unix module
1134 * included Al's + password strength checking module
1135 * included pam_rootok module
1136 * fixed too many bugs in libpam.. all subtly related to the argument lists
1137 or use of syslog. Added more debugging lines here too.
1138 * fixed the pam.conf file
1139 * deleted pam_test module. It is pretty old and basically superceeded
1142 Friday May 9 1:00:00 PST 1996 (Andrew Morgan <morgan@physics.ucla.edu>)
1144 * updated documentaion, added Al Longyear to credits and corrected the
1145 spelling of Jeff's name(!). Most changes to pam.sgml (even added a figure!)
1146 * new module pam_rhosts_auth (from Al Longyear)
1147 * new apps rlogind and ftpd (a patch) from Al.
1148 * modified 'passwd' to not call pam_authenticate (note, none of the
1149 modules respect this convention yet!)
1150 * fixed bug in libpam that caused trouble if the last line of a
1151 pam.conf file ends with a module name and no newline character
1152 * also made more compatable with documentation, in that bad lines in
1153 pam.conf are now ignored rather than causing libpam to return an
1155 * libpam now overwrites the AUTHTOKs when returning from
1156 pam_authenticate and pam_chauthtok calls (as per Sun/RFC too)
1157 * libpam is now installed as libpam.so.XXX in a way that ldconfig can
1161 Wednesday May 1 22:00:00 PST 1996 (Andrew Morgan <morgan@physics.ucla.edu>)
1163 * removed .../test directory, use .../examples from now on.
1164 * added .../apps directory for fully functional applications
1165 - the apps directory contains directories that actually contain the apps.
1166 the idea is to make application compilation conditional on the presence
1167 of the directory. Note, there are entries in the Makefile for
1168 'login' and 'ftpd' that are ready for installation... Email me if
1169 you want to reserve a directory name for an application you are
1171 * similar changes to .../modules makefile [entries for pam_skey and
1172 pam_kerberos created---awaiting the directories.] Email me if you
1173 want to register another module...
1174 * minor changes to docs.. Not really worth reprinting them quite yet!
1176 * added misc_conv to libmisc. it is a generic conversation function
1177 for text based applications. [would be nice to see someone create
1178 an Xlib and/or svgalib version]
1179 * fixed ctrl-z/c bug with pam_filter module [try xsh with the default
1181 * added 'required' argument to 'pam_stress' module.
1182 * added a TODO list... other suggestions to the list please.
1184 Saturday April 7 00:00:00 PST 1996 ( Andrew Morgan <morgan@physics.ucla.edu> )
1186 * Alex and Marek please note I have altered _pam_auth_unix a little, to
1187 make it get the passwords with the "proper method" (and also fixed it
1188 to not have as many compiler warnings)
1189 * updated the conf/pam.conf file
1190 * added new example application examples/xsh.c (like blank but invokes
1192 * Marc's patches for examples/blank.c (and AGM's too)
1193 * fixed stacking of modules in libpam/pam_handlers.c
1194 * fixed RESETing in libpam/pam_item.c
1195 * added new module modules/pam_filter/ to demonstrate the possibility
1196 of inserting an arbitrary filter between the terminal and the
1197 application that could do customized logging etc... (see use of
1198 bin/xsh as defined in conf/pam.conf)
1201 Saturday March 16 19:00:00 PST 1996 ( Andrew Morgan <morgan@physics.ucla.edu> )
1203 These notes are for 0.3 I don't think I've left anything important
1204 out, but I will use emacs 'C-x v a' next time! (Thanks Jeff)
1206 * not much has changed with the functionality of the Linux-PAM lib
1208 - pam_password calls module twice with different arguments
1209 - added const to some of the function arguments
1210 - added PAM_MAX_MES_ to <security/_pam_types.h>
1211 - was a lot over zealous about purging old passwords...
1212 I have removed much of this from source to make it
1213 more compatible with SUN.
1214 - moved some PAM_... tokens to pam_modules.h from _pam_types.h
1215 (no-one should notice)
1217 * added three modules: pam_permit pam_deny pam_stress
1218 no prizes for guessing what the first two do. The third is
1219 a reasonably complete (functional) module. Is intended for testing
1222 * fixed a few pieces of examples/blank.c so that it works (with
1225 * ammended the documentation. Looking better, but suggestions/comments
1228 Sunday March 10 10:50:00 PST 1996 ( Andrew Morgan <morgan@physics.ucla.edu> )
1230 These notes are for Linux-PAM release 0.21. They cover what's changed
1231 since I relased 0.2.
1234 * substantially changed ./README
1235 * fixed bug reading \\\n in pam.conf file
1236 * small changes to documentation
1237 * added `blank' application to ./examples (could be viewed as
1238 a `Linux-PAM aware' application template.)
1239 * oops. now including pam_passwd.o and pam_session.o in pamlib.so
1240 * compute md5 checksums for all the source when making a release
1241 - added `make check' and `make RCScheck' to compute md5 checksums
1242 * create a second tar file with all the RCS files in.
1243 * removed the .html and .txt docs, supplying sgml sources instead.
1244 - see README for info on where to get .ps files
1246 Thursday March 6 0:44:?? PST 1996 ( Andrew Morgan <morgan@physics.ucla.edu> )
1248 These notes are for Linux-PAM release 0.2. They cover what's changed
1249 since Marc Ewing relased 0.1.
1251 **** Please note. All of the directories in this release have been modified
1252 **** slightly to conform to the new pamlib. A couple of new directories have
1253 **** been added. As well as some documentation. If some of your code
1254 **** was in the previous release. Feel free to update it, but please
1255 **** try to conform to the new headers and Makefiles.
1257 * Andrew Morgan (morgan@physics.ucla.edu) is making this release
1258 availible, Marc has been busy...!
1260 * Marc's pam-0.1/lib has been (quietly) enhanced and integrated into
1261 Alex Yurie's collected tree of library and module code
1262 (linux-pam.prop.1.tar.gz). Most of the changes are to do with error
1263 checking. Some more robustness in the reading of the pam.conf file
1264 and the addition of the pam_get_user() function.
1266 * The pam_*.h files have been reorganized to logically enforce the
1267 separation of modules from applications. [Don't panic! Apart from
1268 changing references of the form
1270 #include "pam_appl.h"
1274 #include <security/pam_appl.h>
1276 The reorganization should be backwardly compatable (ie. a module
1277 written for SUN will be as compatable as it was before with the
1278 previous version ;)~ ]
1280 (All of the source in this tree now conforms to this scheme...)
1282 The new reorganization means that modules can be compiled with a
1283 single header, <security/pam_modules.h>, and applications with
1284 <security/pam_appl.h>.
1286 * I have tried to remove all the compiler warnings from the updated
1287 "pamlib/*.c" files. On my system, (with a slightly modified <dlfcn.h>
1288 email me if it interests you..) there are only two warnings that
1289 remain: they are that ansi does not permit void --> fn ptr
1290 assignment. K&Rv2 doesn't mention this....? As a matter of principle,
1291 if anyone knows how to get rid of that warning... please
1292 tell. Thanks! "-pedantic"
1294 * you can "make all" as a plain user, but
1296 * to "make install" you must be root. The include files are placed in
1297 /usr/include/security. The libpam.so library is installed in /usr/lib
1298 and the modules in /usr/lib/security. The two test binaries
1299 are installed in the Linux-PAM-0.2/bin directory and a chance is given to
1300 replace your /etc/pam.conf file with the one in Linux-PAM-0.2/conf.
1302 * I have included some documentation (pretty preliminary at the
1303 moment) which I have been working on in .../doc .
1305 I have had a little trouble with the modules, but atleast there are no
1306 segfaults! Please try it out and discuss your results... I actually
1307 hope it all works for you. But, Email any bugs/suggestions to the
1308 Linux-PAM list: linux-pam@mit.edu .....
1313 (morgan@physics.ucla.edu)
1316 Sat Feb 17 17:30:24 EST 1996 (Alexander O. Yuriev alex@bach.cis.temple.edu)
1318 * conf directory created with example of pam_conf
1319 * stable code from pam_unix is added to modules/pam_unix
1320 * test/test.c now requests username and password and attempts
1321 to perform authentication