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142 Commits

Author SHA1 Message Date
Dag-Erling Smørgrav
c2d5249eaf Fix some pastos. Rather shoddy of me... 
Sponsored by:	DARPA, NAI Labs
 2002-01-24 09:44:22 +00:00
Dag-Erling Smørgrav
53f3167d07 Add a PAM module that provides an account management component for checking 
either PAM_RHOST or PAM_TTY against /etc/login.access.o

This uncovers a problem with PAM_RHOST, in that if we always set it, there
is no way to distinguish between a user logging in locally and a user
logging in using 'ssh localhost'.  This will be fixed by first making sure
that all PAM modules can handle PAM_RHOST being unset (which is currently
not the case), and then modifying su(1) and login(1) to not set it for
local logins.

Sponsored by:	DARPA, NAI Labs
 2002-01-23 17:42:16 +00:00
Dag-Erling Smørgrav
774a10071d Add an AUTHORS section crediting ThinkSec, DARPA and NAI Labs. 
Sponsored by:	DARPA, NAI Labs
 2002-01-23 17:16:00 +00:00
Ruslan Ermilov
0509dca0c3 Add pam_ssh support to the static PAM library, libpam.a: 
- Spam /usr/lib some more by making libssh a standard library.
- Tweak ${LIBPAM} and ${MINUSLPAM}.
- Garbage collect unused libssh_pic.a.
- Add fake -lz dependency to secure/ makefiles needed for
  dynamic linkage with -lssh.

Reviewed by:	des, markm
Approved by:	markm
 2002-01-23 15:54:17 +00:00
Dag-Erling Smørgrav
b6b756b58b Base the comparison on UIDs, not on user names. 
Sponsored by:	DARPA, NAI Labs
 2002-01-23 15:16:01 +00:00
Ruslan Ermilov
fd4ca9e02d Make libssh.so useable (undefined reference to IPv4or6). 
Reviewed by:	des, markm
Approved by:	markm
 2002-01-23 15:06:47 +00:00
Dag-Erling Smørgrav
b0aa095ad0 On second thought, getpwnam() failure should be treated just as if the user 
existed, but had no OPIE key, i.e. PAM_IGNORE.

Pointed out by:	ache
Sponsored by:	DARPA, NAI Labs
 2002-01-21 19:05:45 +00:00
Dag-Erling Smørgrav
b4b56d051a Return PAM_SERVICE_ERR rather than PAM_USER_UNKNOWN if getpwnam() fails, as 
PAM_USER_UNKNOWN will break the chain, revealing to an attacker that the
user does not exist.

Sponsored by:	DARPA, NAI Labs
 2002-01-21 18:53:03 +00:00
Dag-Erling Smørgrav
03adba96a0 Further changes to allow enabling pam_opie(8) by default: 
- Ignore the {try,use}_first_pass options by clearing PAM_AUTHTOK before
   challenging the user.  These options are meaningless for pam_opie(8)
   since the user can't possibly know the right response before she sees
   the challenge.

 - Introduce the no_fake_prompts option.  If this option is set, pam_opie(8)
   will fail - rather than present a bogus challenge - if the target user
   does not have an OPIE key.  With this option, users who haven't set up
   OPIE won't have to wonder what that "weird otp-md5 s**t" means :)

Reviewed by:	ache, markm
Sponsored by:	DARPA, NAI Labs
 2002-01-21 18:46:25 +00:00
Dag-Erling Smørgrav
f460490260 Add a new module, pam_opieaccess(8), which is responsible for checking 
/etc/opieaccess and ~/.opiealways so we can decide what to do after
pam_opie(8) fails.

Sponsored by:	DARPA, NAI Labs
Reviewed by:	ache, markm
 2002-01-21 13:43:53 +00:00
Andrey A. Chernov
186caeedcb snprintf bloat -> strlcpy 
Add getpwnam return check

Approved by:	des, markm
 2002-01-20 20:56:47 +00:00
Andrey A. Chernov
0b836dfaf1 Back out recent changes 2002-01-19 18:03:11 +00:00
Andrey A. Chernov
6874115893 If user not exist in OPIE system, return failure immediately instead 
of producing fake prompts with random numbers which can be detected by
potential intruder in two tries and totally confuse non-OPIE users.
 2002-01-19 10:09:05 +00:00
Andrey A. Chernov
3195cd6712 Back out second right-now-expired password check in pam_sm_chauthtok, 
old expired password assumed there
 2002-01-19 09:23:36 +00:00
Andrey A. Chernov
012400dfcd Previous commit was incomplete, use new error code PAM_CRED_ERR to 
indicate die case, different from PAM_SUCCESS and PAM_AUTH_ERR
 2002-01-19 08:36:47 +00:00
Andrey A. Chernov
d97cc81fa4 Rewrite 'pwok' fallback in the way it can be properly chained with pam_unix 
Replace snprintf %s with strlcpy

Check for NULL returned from getpwnam()
 2002-01-19 07:23:48 +00:00
Andrey A. Chernov
c8e3fac7a1 Add yet one expired-right-now password check, in pam_sm_chauthtok 
srandomdev() can't be used in libraries, replace srandomdev()+random()
by arc4random()
 2002-01-19 04:58:51 +00:00
Andrey A. Chernov
8c70adab72 Set pwok to 1 for non-OPIE users 2002-01-19 03:31:39 +00:00
Andrey A. Chernov
d54c36388e Add missing check for right-now-expired password 2002-01-19 02:45:24 +00:00
Andrey A. Chernov
3f9a326a7a Implement 'pwok', i.e. conditional fallback to unix password 
as supposed by opieaccessfile() and opiealways()
 2002-01-19 02:38:43 +00:00
Ruslan Ermilov
7f432ff831 mdoc(7) police: bump document date. 2001-12-14 13:49:28 +00:00
David Malone
9f5b04e925 Style improvements recommended by Bruce as a follow up to some 
of the recent WARNS commits. The idea is:

1) FreeBSD id tags should follow vendor tags.
2) Vendor tags should not be compiled (though copyrights probably should).
3) There should be no blank line between including cdefs and __FBSDIF.
 2001-12-10 21:13:08 +00:00
Dag-Erling Smørgrav
18a85de04b Back out previous commit. 
Requested by:	ru
 2001-12-09 15:11:55 +00:00
Ruslan Ermilov
945b9f4de9 mdoc(7) police: sort xrefs. 2001-12-08 16:28:20 +00:00
Dag-Erling Smørgrav
bdd601a1e3 Get pam_mod_misc.h from .CURDIR rather than .OBJDIR or /usr/include. 
Sponsored by:	DARPA, NAI Labs
 2001-12-07 11:51:47 +00:00
Dag-Erling Smørgrav
8d3978c115 Add dummy functions for all module types. These dummies return PAM_IGNORE 
rather than PAM_SUCCESS, so you'll get a failure if you list dummies but
no real modules for a particular module chain.

Sponsored by:	DARPA, NAI Labs
 2001-12-05 16:06:35 +00:00
Dag-Erling Smørgrav
d5a8dd3fb5 Connect the man page to the build. 
Sponsored by:	DARPA, NAI Labs
 2001-12-05 16:02:50 +00:00
Dag-Erling Smørgrav
e2c8459e85 Add a pam_self authentication module that succeeds if and only if the local 
and remote user names are the same.

Sponsored by:	DARPA, NAI Labs
 2001-12-05 15:55:14 +00:00
Mark Murray
1a8b24c257 Use __FBSDID(). Also do a bit of cosmetic #if and header-order 
cleaning-up.
 2001-12-02 20:54:57 +00:00
Mark Murray
d2f6cd8fd5 Style fixups. 
Sort function declarations, includes. Make consistent WRT use of _P()
macro (ugh!)

Inspired by:	bde
 2001-12-01 21:12:04 +00:00
Mark Murray
e317b97026 WARNS=2 fixes. 
Reviewed by:	bde (a while back)
 2001-12-01 17:46:46 +00:00
Brian Feldman
7d8cee925b Fix pam_ssh by adding an IPv4or6 (evidently, this was broken by my last 
OpenSSH import) declaration and strdup(3)ing a value which is later
free(3)d, rather than letting the system try to free it invalidly.
 2001-11-29 21:16:11 +00:00
Ruslan Ermilov
60c6736148 mdoc(7) police: fix one pam_unix(8) left-over, sort xrefs. 2001-11-28 09:25:03 +00:00
Dag-Erling Smørgrav
b4a475937b Create a pam_ssh(8) man page, based on a repo-copy of pam_unix(8). 
License modified with original author's permission.

Sponsored by:	DARPA, NAI Labs
 2001-11-27 00:57:50 +00:00
Dag-Erling Smørgrav
d65e5dfa59 Document the local_pass and nis_pass options, add a few xrefs, and reorder 
the SEE ALSO section.  License modified with original author's permission.

Sponsored by:	DARPA, NAI Labs
 2001-11-27 00:53:10 +00:00
Dima Dorfman
a48060a2f7 Spelling police: sucessful -> successful. 2001-11-24 23:41:32 +00:00
Maxim Sobolev
bc3a4bf55d Don't put an extra space after password prompts, because it violates POLA, 
makes FreeBSD inconsistent with previous releases and "other unices" as well
as with some internal password-asking services (e.g. ftp) within the same
release.
 2001-10-25 15:51:50 +00:00
Mark Murray
ce1e0bbc8f Add library exposed by KDE's use if this module. 2001-10-18 20:05:20 +00:00
Matthew Dillon
ceaf33f537 Add __FBSDID()s to libpam 2001-09-30 22:11:06 +00:00
Mark Murray
6e925e8fc7 1) repair the return value in the PAM_RETURN() macro (Side effects!!). 
2) canonicalise the options use in pam_options().

Submitted by:	Gunnar Kreitz <gunnark@chello.se>
PR:		30250
 2001-09-04 17:05:08 +00:00
Mark Murray
a41ad3fca9 Introduce a "noroot_ok" option to make this module ignore authentications 
to a non-superuser if required.
 2001-08-26 18:09:00 +00:00
Mark Murray
f96b705fa7 Introduce better logging, error reporting and use of login_cap data. 2001-08-26 18:05:35 +00:00
Mark Murray
3d55a6c083 Big module makeover; improve logging, standardise variable names, 
introduce ability to change passwords for both "usual" Unix methods
and NIS.
 2001-08-26 17:41:13 +00:00
Mark Murray
ca0bdcdd29 Document the no_warn option. 2001-08-15 20:05:33 +00:00
Mark Murray
b5507a38bc Fix a couple of cross-references to reflect the reality of the module. 2001-08-15 20:03:26 +00:00
Mark Murray
537db85291 Fix: 
/usr/src/lib/libpam/modules/pam_ssh/pam_ssh.c has couple of bugs which cause:

1) xdm dumps core
2) ssh1 private key is not passed to ssh-agent
3) ssh2 RSA key seems not handled properly (just a guess from source)
4) ssh_get_authentication_connectionen() fails to get connection because of
   SSH_AUTH_SOCK not defined.

PR:		29609
Submitted by:	Takanori Saneto <sanewo@ba2.so-net.ne.jp>
 2001-08-11 12:37:55 +00:00
Mark Murray
3938427761 Clean up this module very extensively. Fix the logging, the coding 
standards and the option handling. This module is now much more easy
to maintain as a part of the FreeBSD tree.
 2001-08-10 19:24:34 +00:00
Mark Murray
530ebf8e0a Code clean up; make logging same as other modules and fix warnings. 2001-08-10 19:21:45 +00:00
Mark Murray
34beb374a2 General code clean-up. Sort out warnings, and make the warning and 
logging work the same as other modules.
 2001-08-10 19:18:52 +00:00
Mark Murray
0fa107a3cb Simplify code. Also verbose logging, verbose overridable error reporting. 2001-08-10 19:15:48 +00:00