1 OpenPAM Nummularia 2013-09-07
3 - ENHANCE: Rewrite the dynamic loader to improve readability and
4 reliability. Modules can now be listed without the ".so" suffix in
5 the policy file; OpenPAM will automatically add it, just like it
6 will automatically add the version number if required.
8 - ENHANCE: Allow openpam_straddch(3) to be called without a character
9 so it can be used to preallocate a string.
11 - ENHANCE: Improve portability by adding simple asprintf(3) and
12 vasprintf(3) implementations for platforms that don't have them.
14 - ENHANCE: Move the libpam sources into a separate subdirectory.
16 - ENHANCE: Substantial documentation improvements.
18 - BUGFIX: When openpam_readword(3) encountered an opening quote, it
19 would set the first byte in the buffer to '\0', discarding all
20 existing text and, unless the buffer was empty to begin with, all
21 subsequent text as well. This went unnoticed because none of the
22 unit tests for quoted strings had any text preceding the opening
25 - BUGFIX: make --with-modules-dir work the way it was meant to work
27 ============================================================================
28 OpenPAM Micrampelis 2012-05-26
30 - FEATURE: Add an openpam_readword(3) function which reads the next
31 word from an input stream, applying shell quoting and escaping
32 rules. Add numerous unit tests for openpam_readword(3).
34 - FEATURE: Add an openpam_readlinev(3) function which uses the
35 openpam_readword(3) function to read words from an input stream one
36 at a time until it reaches an unquoted, unescaped newline, and
37 returns an array of those words. Add several unit tests for
40 - FEATURE: Add a PAM_HOST item which pam_start(3) initializes to the
41 machine's hostname. This was implemented in Lycopsida but
42 inadvertantly left out of the release notes.
44 - FEATURE: In pam_get_authtok(3), if neither the application nor the
45 module have specified a prompt and PAM_HOST and PAM_RHOST are both
46 defined but not equal, use a different default prompt that includes
47 PAM_USER and PAM_HOST.
49 - ENHANCE: Rewrite the policy parser to used openpam_readlinev(),
50 which greatly simplifies the code.
52 - ENHANCE: The previous implementation of the policy parser relied on
53 the openpam_readline(3) function, which (by design) munges
54 whitespace and understands neither quotes nor backslash escapes.
55 As a result of the aforementioned rewrite, whitespace, quotes and
56 backslash escapes in policy files are now handled in a consistent
57 and predictable manner.
59 - ENHANCE: On platforms that have it, use fdlopen(3) to load modules.
60 This closes the race between the ownership / permission check and
63 - ENHANCE: Reduce the amount of pointless error messages generated
64 while searching for a module.
66 - ENHANCE: Numerous documentation improvements, both in content and
69 - BUGFIX: A patch incorporated in Lycopsida inadvertantly changed
70 OpenPAM's behavior when several policies exist for the same
71 service, from ignoring all but the first to concatenating them all.
72 Revert to the original behavior.
74 - BUGFIX: Plug a memory leak in the policy parser.
75 ============================================================================
76 OpenPAM Lycopsida 2011-12-18
78 - ENHANCE: removed static build autodetection, which didn't work
79 anyway. Use an explicit, user-specified preprocessor variable
82 - ENHANCE: cleaned up the documentation a bit.
84 - ENHANCE: added openpam_subst(3), allowing certain PAM items to be
85 embedded in strings such as prompts. Apply it to the prompts used
86 by pam_get_user(3) and pam_get_authtok(3).
88 - ENHANCE: added support for the user_prompt, authtok_prompt and
89 oldauthtok_prompt module options, which override the prompts passed
90 by the module to pam_set_user(3) and pam_get_authtok(3).
92 - ENHANCE: rewrote the policy parser to support quoted option values.
94 - ENHANCE: added pamtest(1), a tool for testing modules and policies.
96 - ENHANCE: added code to check the ownership and permissions of a
97 module before loading it.
99 - ENHANCE: added / improved input validation in many cases, including
100 the policy file and some function arguments.
101 ============================================================================
102 OpenPAM Hydrangea 2007-12-21
104 - ENHANCE: when compiling with GCC, mark up API functions with GCC
105 attributes where appropriate.
107 - BUGFIX: fixed numerous warnings uncovered by GCC 4.
109 - ENHANCE: building the documentation is now optional.
111 - ENHANCE: corrected a number of mistakes and style issues in the
114 - ENHANCE: API function arguments are now const where appropriate, to
115 match corresponding changes in the Solaris PAM and Linux-PAM APIs.
117 - ENHANCE: corrected a number of C namespace violations.
119 - ENHANCE: the module cache has been removed, allowing long-lived
120 applications to pick up module changes. This also allows multiple
121 threads to use PAM simultaneously (as long as they use separate PAM
122 contexts), since the module cache was the only part of OpenPAM that
124 ============================================================================
125 OpenPAM Figwort 2005-06-16
127 - BUGFIX: Correct several small signedness and initialization bugs
128 discovered during review by the NetBSD team.
130 - BUGFIX: Modify gendoc.pl to sort cross-references in dictionary
131 order within each section.
133 - ENHANCE: if a policy specifies a relative module path, prepend the
134 module directory so we never call dlopen(3) with a relative path.
136 - ENHANCE: add a pam.conf(5) manual page.
137 ============================================================================
138 OpenPAM Feterita 2005-02-01
140 - BUGFIX: Correct numerous markup errors, invalid cross-references,
141 and other issues in the manual pages, with kind assistance from
142 Ruslan Ermilov <ru@freebsd.org>.
144 - BUGFIX: Avoid multiple evaluation of macro arguments in ENTERX()
145 and RETURNX() macros.
147 - BUGFIX: Remove an unnecessary and non-portable pointer cast in
150 - BUGFIX: Fix identical typos in PAM_ACCT_EXPIRED case in
151 pam_strerror(3) and gendoc.pl.
153 - ENHANCE: Minor overhaul of the autoconf / build system.
155 - ENHANCE: Add openpam_free_envlist(3).
156 ============================================================================
157 OpenPAM Eelgrass 2004-02-10
159 - BUGFIX: Correct array handling bugs in conversation code.
161 - BUGFIX: In openpam_ttyconv(3), don't strip trailing linear
162 whitespace from the user's response.
164 - BUGFIX: Many constness issues addressed.
165 ============================================================================
166 OpenPAM Dogwood 2003-07-15
168 - ENHANCE: Use the GNU autotools.
170 - ENHANCE: Constify the msg field in struct pam_message.
172 - BUGFIX: Remove left-over debugging output
174 - BUGFIX: Avoid side effects in arguments to the FREE() macro
176 - ENHANCE: Make openpam_ttyconv(3) use read(2) rather than fgets(3).
178 - BUGFIX: Staticize some variables which shouldn't be global.
180 - BUGFIX: Correcly anticipate a NULL user in pam_get_user(3).
182 - ENHANCE: Various minor documentation improvements.
184 Thanks to Dmitry V. Levin <ldv@altlinux.org> for considerable
185 assistance with this release.
186 ============================================================================
187 OpenPAM Digitalis 2003-06-01
189 - ENHANCE: Completely rewrite the configuration parser and add
190 support for the "include" control flag.
192 - ENHANCE: Improve portability to NetBSD, OpenBSD and Linux.
194 - ENHANCE: Lots of additional paranoia.
196 - BUGFIX: The sample su(1) application dropped privileges before
197 forking instead of after.
199 - ENHANCE: Document openpam_log(3).
201 - ENHANCE: Other minor documentation fixes.
203 Thanks to Dmitry V. Levin <ldv@altlinux.org> for considerable
204 assistance with this release.
205 ============================================================================
206 OpenPAM Dianthus 2003-05-02
208 - BUGFIX: Initialize some potentially uninitialized variables.
210 - BUGFIX: Silence some warnings emitted by gcc -std=iso9899:1999.
212 - BUGFIX: In pam_getenv(), return a pointer to the stored variable
213 instead of a freshly allocated copy.
215 - ENHANCE: Detect recursion in openpam_borrow_cred()
217 - ENHANCE: Make borrowing one's own credentials a no-op.
219 - ENHANCE: Further improve debugging support.
221 - ENHANCE: Clean up some variable names.
222 ============================================================================
223 OpenPAM Daffodil 2003-01-06
225 - ENHANCE: Document dependency on <sys/types.h> (for size_t)
227 - ENHANCE: Slightly improve error detection in openpam_ttyconv().
229 - BUGFIX: Fix several typos in debugging macros.
230 ============================================================================
231 OpenPAM Cyclamen 2002-12-12
233 - ENHANCE: Improve recursion detection in openpam_dispatch().
235 - ENHANCE: Add debugging messages at entry and exit points of most
238 - ENHANCE: Fix some minor style issues.
240 - BUGFIX: Add default cases to the switches in openpam_log.c.
242 - ENHANCE: Add /usr/local/etc/pam.conf to policy search path.
244 - BUGFIX: In openpam_ttyconv(3), print the prompt to stdout rather
246 ============================================================================
247 OpenPAM Citronella 2002-06-30
249 - ENHANCE: Add the "binding" control flag (from Solaris 9).
251 - ENHANCE: Define struct pam_repository and PAM_REPOSITORY (from
254 - ENHANCE: Flesh out the pam(3) man page.
256 - ENHANCE: Add an openpam(3) page with cross-references to all the
257 documented OpenPAM API extensions.
259 - ENHANCE: Add a pam_conv(3) man page describing the conversation
262 - ENHANCE: Improved sample application.
264 - ENHANCE: Added sample pam_unix module.
266 - BUGFIX: Various documentation nits.
267 ============================================================================
268 OpenPAM Cinquefoil 2002-05-24
270 - BUGFIX: Various warnings uncovered by gcc 3.1.
272 - ENHANCE: Add a null conversation function, openpam_nullconv(3).
274 - BUGFIX: Initialize the "other" chain to all zeroes.
276 - ENHANCE: Document openpam_ttyconv(3).
277 ============================================================================
278 OpenPAM Cinnamon 2002-05-02
280 - ENHANCE: Add a null conversation function, openpam_nullconv().
282 - BUGFIX: Various markup bugs in the documentation.
284 - BUGFIX: Document <security/openpam.h>.
286 - BUGFIX: Duplicate expansion of openpam_log() macro arguments.
288 - ENHANCE: Restructure the policy-loading code and align our use of
289 the "other" policy with Solaris and Linux-PAM.
291 - ENHANCE: Log dlopen() and dlsym() failures.
293 - ENHANCE: In openpam_ttyconv(), emit a newline after error and info
294 messages unless the message contains one already.
296 - BUGFIX: In pam_vprompt(), initialize the response pointer to NULL
297 so we can detect whether the conversation function touched it.
298 ============================================================================
299 OpenPAM Cineraria 2002-04-14
301 - BUGFIX: Fix confusion between token and prompt in
304 - ENHANCE: Improved documentation.
306 - ENHANCE: Adopt the same preprocessor tricks that were used in
307 FreeBSD's version of Linux-PAM to simplify static linking without
308 requiring dummy primitives.
310 - ENHANCE: Move the policy-loading code out of pam_start.c.
312 - BUGFIX: Fix typo in one of the versions of the openpam_log macro.
314 - ENHANCE: Add versioning macros.
315 ============================================================================
316 OpenPAM Cinchona 2002-04-08
318 - ENHANCE: Improved documentation for several API functions.
320 - BUGFIX: Fix bug in pam_set_data() that would result in corruption
321 of the module data list.
323 - BUGFIX: Allocate the correct amount of memory for the environment
324 list in pam_putenv().
326 - ENHANCE: Change pam_get_authtok()'s prototype so the caller can
327 specify what token it wants. Also introduce PAM_OLDAUTHTOK_PROMPT.
329 - BUGFIX: Plug memory leak in pam_get_user() / pam_get_authtok(), and
330 reduce differences between these very similar functions.
332 - ENHANCE: Check flags carefully in pam_authenticate() and
335 - BUGFIX: Fix bugs in portability code; libpam now builds on NetBSD.
337 - ENHANCE: In pam_get_authtok(), if PAM_OLDAUTHTOK is set, we're
338 asked for PAM_AUTHTOK, and we have to prompt the user, prompt her
339 twice and compare the responses.
341 - ENHANCE: Add openpam_{borrow,restore}_cred(), for temporarily
342 switching to user credentials.
344 - ENHANCE: Add openpam_free_data(), a generic cleanup function for
345 pam_set_data() consumers.
346 ============================================================================
347 OpenPAM Centaury 2002-03-14
349 - BUGFIX: Add missing #include <string.h> to openpam_log.c.
351 - BUGFIX: s/PAM_REINITIALISE_CRED/PAM_REINITIALIZE_CRED/. XSSO uses
352 the former, but Solaris and Linux-PAM use the latter.
354 - BUGFIX: The dynamic loader and the module cache contained a number
355 of bugs which would cause a segmentation fault if pam_start(3) was
356 called again after pam_end(3), as happens in login(1), xdm(1) etc.
357 after a failed login.
359 - BUGFIX: Refer to a module by the name used in the policy file, even
360 if the module that was actually loaded was versioned.
362 - ENHANCE: Suppress debugging logs, unless compiled with -DDEBUG.
363 ============================================================================
364 OpenPAM Celandine 2002-03-05
366 - BUGFIX: PAM_TRY_AGAIN is a valid return value for pam_chauthtok().
368 - BUGFIX: Run passwd chain twice, first with the PAM_PRELIM_CHECK
369 flag set, then with the PAM_UPDATE_AUTHTOK flag set.
371 - BUGFIX: Failure of a "sufficient" module should not terminate the
372 passwd chain if the PAM_PRELIM_CHECK flag is set.
374 - BUGFIX: Clear PAM_AUTHTOK after running the service modules.
376 - ENHANCE: Prevent applications from specifying the PAM_PRELIM_CHECK
377 or PAM_UPDATE_AUTHTOK flags themselves.
379 - BUGFIX: openpam_set_option() did not support changing the value of
382 - ENHANCE: Add support for module versioning. OpenPAM will prefer a
383 module with the same version number as the library itself to one
384 with no version number at all.
385 ============================================================================
386 OpenPAM Cantaloupe 2002-02-22
388 - BUGFIX: The proper use of PAM_SYMBOL_ERR is to indicate an invalid
389 argument to pam_[gs]et_item(3), not to indicate dlsym(3) failures.
391 - ENHANCE: Add in-line documentation in most source files, and a Perl
392 script that generates mdoc code from that.
394 - BUGFIX: The environment list was not properly NULL-terminated.
396 - ENHANCE: Allow the PAM_AUTHTOK_PROMPT item to override the prompt
397 specified by the module.
399 - BUGFIX: PAM_NUM_ITEMS was set too low. It has been moved to
400 pam_constants.h to avoid it going stale again.
402 - ENHANCE: Move all code related to static modules into a separate
405 - ENHANCE: openpam_ttyconv() now masks most signals while prompting the
406 user, and supports setting a timeout (which defaults to off).
408 - BUGFIX: Some manual pages referenced XSSO even though they
409 documented OpenPAM-specific functions.
411 - ENHANCE: Added openpam_get_option() and openpam_set_option().
413 - ENHANCE: openpam_get_authtok() now respects the echo_pass,
414 try_first_pass, and use_first_pass options.
415 ============================================================================
416 OpenPAM Caliopsis 2002-02-13
418 Fixed a number of bugs in the previous release, including:
419 - a number of bugs in and related to pam_[gs]et_item(3)
420 - off-by-one bug in pam_start.c would trim last character off certain
422 - incorrect ordering of an array in openpam_load.c would cause service
423 module functions to get mixed up
424 - missing 'continue' in openpam_dispatch.c caused successes to be
426 ============================================================================
427 OpenPAM Calamite 2002-02-09
429 First (beta) release.
430 ============================================================================
431 $Id: HISTORY 737 2013-09-07 12:53:55Z des $