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The return value of function state is never checked.
Signed-off-by: Tobias Stoeckmann <tobias@stoeckmann.org>
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Very long strings could overflow the int data type. Make sure to use
the correct data type.
Signed-off-by: Tobias Stoeckmann <tobias@stoeckmann.org>
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pam_debug used to invoke pam_get_user and set PAM_USER to "nobody" when
pam_get_user returns an empty string as the user name. When either of
these functions returned an error value, it used to return that error
value. This hasn't been documented, and I couldn't find any rationale
for this behaviour.
* modules/pam_debug/pam_debug.c (pam_sm_authenticate): Do not invoke
pam_get_user and pam_set_item.
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If pam_get_user returned PAM_SUCCESS, the user name is guaranteed
to be a valid C string, no need to double check that.
* modules/pam_access/pam_access.c (pam_sm_authenticate): Do not check
for NULL the user name returned by pam_get_user when the latter returned
PAM_SUCCESS.
* modules/pam_cracklib/pam_cracklib.c (_pam_unix_approve_pass): Likewise.
* modules/pam_debug/pam_debug.c (pam_sm_authenticate): Likewise.
* modules/pam_filter/pam_filter.c (process_args): Likewise.
* modules/pam_ftp/pam_ftp.c (pam_sm_authenticate): Likewise.
* modules/pam_group/pam_group.c (pam_sm_setcred): Likewise.
* modules/pam_lastlog/pam_lastlog.c (pam_sm_authenticate): Likewise.
* modules/pam_listfile/pam_listfile.c (pam_sm_authenticate): Likewise.
* modules/pam_localuser/pam_localuser.c (pam_sm_authenticate): Likewise.
* modules/pam_mail/pam_mail.c (_do_mail): Likewise.
* modules/pam_nologin/pam_nologin.c (perform_check): Likewise.
* modules/pam_permit/pam_permit.c (pam_sm_authenticate): Likewise.
* modules/pam_pwhistory/pam_pwhistory.c (pam_sm_chauthtok): Likewise.
* modules/pam_rhosts/pam_rhosts.c (pam_sm_authenticate): Likewise.
* modules/pam_securetty/pam_securetty.c (pam_sm_authenticate): Likewise.
* modules/pam_sepermit/pam_sepermit.c (pam_sm_authenticate): Likewise.
* modules/pam_shells/pam_shells.c (perform_check): Likewise.
* modules/pam_stress/pam_stress.c (pam_sm_authenticate): Likewise.
* modules/pam_succeed_if/pam_succeed_if.c (pam_sm_authenticate): Likewise.
* modules/pam_time/pam_time.c (pam_sm_acct_mgmt): Likewise.
* modules/pam_timestamp/pam_timestamp.c (get_timestamp_name): Likewise.
* modules/pam_umask/pam_umask.c (pam_sm_open_session): Likewise.
* modules/pam_unix/pam_unix_auth.c (pam_sm_authenticate): Likewise.
* modules/pam_unix/pam_unix_passwd.c (pam_sm_chauthtok): Likewise.
* modules/pam_usertype/pam_usertype.c (pam_usertype_get_uid): Likewise.
* modules/pam_wheel/pam_wheel.c (perform_check): Likewise.
* modules/pam_userdb/pam_userdb.c (pam_sm_authenticate, pam_sm_acct_mgmt):
Likewise.
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Starting with commit a684595c0bbd88df71285f43fb27630e3829121e aka
Linux-PAM-1.3.0~14 (Remove "--enable-static-modules" option and support
from Linux-PAM), PAM_SM_* macros have no effect.
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Linux-PAM. It was never official supported and was broken since years.
* configure.ac: Remove --enable-static-modules option.
* doc/man/pam_sm_acct_mgmt.3.xml: Remove PAM_EXTERN.
* doc/man/pam_sm_authenticate.3.xml: Likewise.
* doc/man/pam_sm_chauthtok.3.xml: Likewise.
* doc/man/pam_sm_close_session.3.xml: Likewise.
* doc/man/pam_sm_open_session.3.xml: Likewise.
* doc/man/pam_sm_setcred.3.xml: Likewise.
* libpam/Makefile.am: Remove STATIC_MODULES cases.
* libpam/include/security/pam_modules.h: Remove PAM_STATIC parts.
* libpam/pam_dynamic.c: Likewise.
* libpam/pam_handlers.c: Likewise.
* libpam/pam_private.h: Likewise.
* libpam/pam_static.c: Remove file.
* libpam/pam_static_modules.h: Remove header file.
* modules/pam_access/pam_access.c: Remove PAM_EXTERN and PAM_STATIC parts.
* modules/pam_cracklib/pam_cracklib.c: Likewise.
* modules/pam_debug/pam_debug.c: Likewise.
* modules/pam_deny/pam_deny.c: Likewise.
* modules/pam_echo/pam_echo.c: Likewise.
* modules/pam_env/pam_env.c: Likewise.
* modules/pam_exec/pam_exec.c: Likewise.
* modules/pam_faildelay/pam_faildelay.c: Likewise.
* modules/pam_filter/pam_filter.c: Likewise.
* modules/pam_ftp/pam_ftp.c: Likewise.
* modules/pam_group/pam_group.c: Likewise.
* modules/pam_issue/pam_issue.c: Likewise.
* modules/pam_keyinit/pam_keyinit.c: Likewise.
* modules/pam_lastlog/pam_lastlog.c: Likewise.
* modules/pam_limits/pam_limits.c: Likewise.
* modules/pam_listfile/pam_listfile.c: Likewise.
* modules/pam_localuser/pam_localuser.c: Likewise.
* modules/pam_loginuid/pam_loginuid.c: Likewise.
* modules/pam_mail/pam_mail.c: Likewise.
* modules/pam_mkhomedir/pam_mkhomedir.c: Likewise.
* modules/pam_motd/pam_motd.c: Likewise.
* modules/pam_namespace/pam_namespace.c: Likewise.
* modules/pam_nologin/pam_nologin.c: Likewise.
* modules/pam_permit/pam_permit.c: Likewise.
* modules/pam_pwhistory/pam_pwhistory.c: Likewise.
* modules/pam_rhosts/pam_rhosts.c: Likewise.
* modules/pam_rootok/pam_rootok.c: Likewise.
* modules/pam_securetty/pam_securetty.c: Likewise.
* modules/pam_selinux/pam_selinux.c: Likewise.
* modules/pam_sepermit/pam_sepermit.c: Likewise.
* modules/pam_shells/pam_shells.c: Likewise.
* modules/pam_stress/pam_stress.c: Likewise.
* modules/pam_succeed_if/pam_succeed_if.c: Likewise.
* modules/pam_tally/pam_tally.c: Likewise.
* modules/pam_tally2/pam_tally2.c: Likewise.
* modules/pam_time/pam_time.c: Likewise.
* modules/pam_timestamp/pam_timestamp.c: Likewise.
* modules/pam_tty_audit/pam_tty_audit.c: Likewise.
* modules/pam_umask/pam_umask.c: Likewise.
* modules/pam_userdb/pam_userdb.c: Likewise.
* modules/pam_warn/pam_warn.c: Likewise.
* modules/pam_wheel/pam_wheel.c: Likewise.
* modules/pam_xauth/pam_xauth.c: Likewise.
* modules/pam_unix/Makefile.am: Remove STATIC_MODULES part.
* modules/pam_unix/pam_unix_acct.c: Remove PAM_STATIC part.
* modules/pam_unix/pam_unix_auth.c: Likewise.
* modules/pam_unix/pam_unix_passwd.c: Likewise.
* modules/pam_unix/pam_unix_sess.c: Likewise.
* modules/pam_unix/pam_unix_static.c: Removed.
* modules/pam_unix/pam_unix_static.h: Removed.
* po/POTFILES.in: Remove removed files.
* tests/tst-dlopen.c: Remove PAM_STATIC part.
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Purpose of commit: bugfix
Commit summary:
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2006-01-24 Thorsten Kukuk <kukuk@thkukuk.de>
* modules/pam_debug/pam_debug.c: Fix name of pam_module struct.
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Purpose of commit: new feature
Commit summary:
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Add PAM extensions pam_*prompt, pam_*error and pam_*info for usage
by modules to libpam, add new pam_ext.h header file with prototypes.
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Purpose of commit: cleanup
Commit summary:
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Fix all occurrence of dereferencing type-punned pointer will break
strict-aliasing rules warnings
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Purpose of commit:
Commit summary:
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bugfix: Add parts of Steve Grubb's resource leak and other fixes
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Purpose of commit: cleanup, new feature
Commit summary:
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I'm adding a new module (pam_debug) that helped me to verify that
the new setcred handling did not suffer from a bug in the handling
of 'auth optional'. I'm also fixing a D(()) line from
libpam/pam_dispatch.c which was simply broken.
[There is still an outstanding backward compatibility issue with
pam_dispatch that I'll address with respect to Bug 468724.]
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