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* modules/pam_timestamp: use pam_str_skip_prefixDmitry V. Levin2020-03-19
| | | | | | * modules/pam_timestamp/pam_timestamp.c: Include "pam_inline.h". (check_tty, get_timestamp_name, pam_sm_authenticate): Use pam_str_skip_prefix instead of ugly strncmp invocations.
* modules/pam_timestamp: fix compilation warningsDmitry V. Levin2020-03-19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix the following compilation warnings reported by gcc on ilp32 platforms: modules/pam_timestamp/hmacfile.c: In function ‘testvectors’: modules/pam_timestamp/hmacfile.c:121:44: warning: format ‘%lu’ expects argument of type ‘long unsigned int’, but argument 2 has type ‘size_t’ {aka ‘unsigned int’} [-Wformat=] 121 | printf("Incorrect result for vector %lu\n", i + 1); | ~~^ ~~~~~ | | | | | size_t {aka unsigned int} | long unsigned int | %u modules/pam_timestamp/hmacfile.c:128:30: warning: format ‘%lu’ expects argument of type ‘long unsigned int’, but argument 2 has type ‘size_t’ {aka ‘unsigned int’} [-Wformat=] 128 | printf("Error in vector %lu.\n", i + 1); | ~~^ ~~~~~ | | | | | size_t {aka unsigned int} | long unsigned int | %u In function ‘strncpy’, inlined from ‘pam_sm_open_session’ at modules/pam_timestamp/pam_timestamp.c:584:4: /usr/include/bits/string_fortified.h:106:10: warning: ‘__builtin___strncpy_chk’ output may be truncated copying between 1 and 4095 bytes from a string of length 4095 [-Wstringop-truncation] * modules/pam_timestamp/hmacfile.c (testvectors): Cast the argument of type size_t to unsigned long before passing it to printf. * modules/pam_timestamp/pam_timestamp.c (pam_sm_open_session): Use memcpy instead of strncpy as the source is not NUL-terminated, add an extra check to ensure that iterator stays inside bounds.
* modules/pam_timestamp: fix clang compilation warningDmitry V. Levin2020-03-18
| | | | | | | | | | | modules/pam_timestamp/pam_timestamp.c:807:17: warning: logical not is only applied to the left hand side of this comparison [-Wlogical-not-parentheses] } else if (!timestamp_good(st.st... ^ * modules/pam_timestamp/pam_timestamp.c (main): Change timestamp_good return code check to a more traditional form.
* Fix grammar of messages printed via pam_promptDmitry V. Levin2018-06-19
| | | | | | | | | | | | | | | | | | | | | | | | | Turn into proper sentences those messages that are printed without further modifications using pam_prompt in contexts where proper sentences are expected. * libpam/pam_get_authtok.c (pam_get_authtok_internal): Fix grammar of the message passed to pam_error. * modules/pam_limits/pam_limits.c (pam_sm_open_session): Likewise. * modules/pam_cracklib/pam_cracklib.c (_pam_unix_approve_pass): Fix grammar of error messages passed to pam_error. * modules/pam_mail/pam_mail.c (report_mail): Fix grammar of a message passed to pam_info. * modules/pam_timestamp/pam_timestamp.c (verbose_success): Likewise. * modules/pam_selinux/pam_selinux.c (config_context, send_text): Fix grammar of messages passed to pam_prompt. * modules/pam_tally/pam_tally.c (tally_check): Fix grammar of messages passed to pam_info. * modules/pam_tally2/pam_tally2.c (tally_check): Likewise. * modules/pam_unix/pam_unix_acct.c (pam_sm_acct_mgmt): Fix grammar of messages passed to _make_remark. * modules/pam_unix/pam_unix_passwd.c (_pam_unix_approve_pass, pam_sm_chauthtok): Likewise. * po/Linux-PAM.pot: Regenerate.
* Unification and cleanup of syslog log levels.Tomas Mraz2016-06-30
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * libpam/pam_handlers.c: Make memory allocation failures LOG_CRIT. * libpam/pam_modutil_priv.c: Make memory allocation failures LOG_CRIT. * modules/pam_echo/pam_echo.c: Make memory allocation failures LOG_CRIT. * modules/pam_env/pam_env.c: Make memory allocation failures LOG_CRIT. * modules/pam_exec/pam_exec.c: Make memory allocation failures LOG_CRIT. * modules/pam_filter/pam_filter.c: Make all non-memory call errors LOG_ERR. * modules/pam_group/pam_group.c: Make memory allocation failures LOG_CRIT. * modules/pam_issue/pam_issue.c: Make memory allocation failures LOG_CRIT. * modules/pam_lastlog/pam_lastlog.c: The lastlog file creation is syslogged with LOG_NOTICE, memory allocation errors with LOG_CRIT, other errors with LOG_ERR. * modules/pam_limits/pam_limits.c: User login limit messages are syslogged with LOG_NOTICE, stale utmp entry with LOG_INFO, non-memory errors with LOG_ERR. * modules/pam_listfile/pam_listfile.c: Rejection of user is syslogged with LOG_NOTICE. * modules/pam_namespace/pam_namespace.c: Make memory allocation failures LOG_CRIT. * modules/pam_nologin/pam_nologin.c: Make memory allocation failures LOG_CRIT, other errors LOG_ERR. * modules/pam_securetty/pam_securetty.c: Rejection of access is syslogged with LOG_NOTICE, non-memory errors with LOG_ERR. * modules/pam_selinux/pam_selinux.c: Make memory allocation failures LOG_CRIT. * modules/pam_succeed_if/pam_succeed_if.c: Make all non-memory call errors LOG_ERR. * modules/pam_time/pam_time.c: Make memory allocation failures LOG_CRIT. * modules/pam_timestamp/pam_timestamp.c: Make memory allocation failures LOG_CRIT. * modules/pam_unix/pam_unix_acct.c: Make all non-memory call errors LOG_ERR. * modules/pam_unix/pam_unix_passwd.c: Make memory allocation failures LOG_CRIT, other errors LOG_ERR. * modules/pam_unix/pam_unix_sess.c: Make all non-memory call errors LOG_ERR. * modules/pam_unix/passverify.c: Unknown user is syslogged with LOG_NOTICE. * modules/pam_unix/support.c: Unknown user is syslogged with LOG_NOTICE and max retries ignorance by application likewise. * modules/pam_unix/unix_chkpwd.c: Make all non-memory call errors LOG_ERR. * modules/pam_userdb/pam_userdb.c: Password authentication error is syslogged with LOG_NOTICE. * modules/pam_xauth/pam_xauth.c: Make memory allocation failures LOG_CRIT.
* pam_timestamp: fix typo in strncmp usageDmitry V. Levin2016-06-14
| | | | | | | | | | | | Before this fix, a typo in check_login_time resulted to ruser and struct utmp.ut_user being compared by the first character only, which in turn could lead to a too low timestamp value being assigned to oldest_login, effectively causing bypass of check_login_time. * modules/pam_timestamp/pam_timestamp.c (check_login_time): Fix typo in strncmp usage. Patch-by: Anton V. Boyarshinov <boyarsh@altlinux.org>
* Remove "--enable-static-modules" option and support fromThorsten Kukuk2016-03-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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.
* Don't use sudo directory, the timestamp format is different (Ticket#32)Thorsten Kukuk2015-03-24
| | | | * modules/pam_timestamp/pam_timestamp.c: Change default timestamp directory.
* pam_timestamp: fix potential directory traversal issue (ticket #27)Dmitry V. Levin2014-03-26
| | | | | | | | | | | | | | | pam_timestamp uses values of PAM_RUSER and PAM_TTY as components of the timestamp pathname it creates, so extra care should be taken to avoid potential directory traversal issues. * modules/pam_timestamp/pam_timestamp.c (check_tty): Treat "." and ".." tty values as invalid. (get_ruser): Treat "." and ".." ruser values, as well as any ruser value containing '/', as invalid. Fixes CVE-2014-2583. Reported-by: Sebastian Krahmer <krahmer@suse.de>
* Avoid memleaks and fd leak in error paths.Tomas Mraz2011-06-15
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* 2011-05-30 Thorsten Kukuk <kukuk@thkukuk.de>Thorsten Kukuk2011-05-30
| | | | | | | | | | | * modules/pam_timestamp/pam_timestamp.c (main): Remove unsused variable pretval. * modules/pam_stress/pam_stress.c (converse): **message is const. (stress_get_password): pmsg is const. (pam_sm_chauthtok): Likewise. * libpam/pam_item.c (pam_get_user): Make pmsg const and remove casts.
* Relevant BUGIDs:Thorsten Kukuk2010-04-14
| | | | | | | | | | | | | | | | Purpose of commit: bugfix Commit summary: --------------- 2010-04-13 Thorsten Kukuk <kukuk@thkukuk.de> * modules/pam_pwhistory/opasswd.c: Fix compilation if cyprt_r() is not available. * configure.in: check for getutent_r. * modules/pam_timestamp/pam_timestamp.c: Use getutent() if getutent_r() does not exist. Patch from Diego Elio "Flameeyes" Pettenò.
* Relevant BUGIDs:Thorsten Kukuk2009-03-27
| | | | | | | | | | | | | | | | | Purpose of commit: bugfix Commit summary: --------------- 2009-03-27 Thorsten Kukuk <kukuk@thkukuk.de> * modules/pam_unix/support.c (_unix_run_helper_binary): Don't ignore return value of write(). * libpamc/include/security/pam_client.h (PAM_BP_ASSERT): Honour NDEBUG. * modules/pam_timestamp/pam_timestamp.c: don't ignore return values of lchown and fchown.
* Relevant BUGIDs:Tomas Mraz2008-11-28
Purpose of commit: new feature Commit summary: --------------- 2008-11-28 Tomas Mraz <t8m@centrum.cz> * modules/pam_tally2/pam_tally2.c (tally_check): Fix info format to be the same as in pam_tally. * configure.in: Add modules/pam_timestamp/Makefile. * doc/sag/Linux-PAM_SAG.xml: Include pam_timestamp.xml. * doc/sag/pam_timestamp.xml: New. * libpam/pam_static_modules.h: Add pam_timestamp static struct. * modules/Makefile.am: Add pam_timestamp directory. * modules/pam_timestamp/Makefile.am: New. * modules/pam_timestamp/README.xml: New. * modules/pam_timestamp/hmacsha1.h: New. * modules/pam_timestamp/sha1.h: New. * modules/pam_timestamp/pam_timestamp.8.xml: New. * modules/pam_timestamp/pam_timestamp_check.8.xml: New. * modules/pam_timestamp/pam_timestamp.c: New. * modules/pam_timestamp/pam_timestamp_check.c: New. * modules/pam_timestamp/hmacfile.c: New. * modules/pam_timestamp/hmacsha1.c: New. * modules/pam_timestamp/sha1.c: New. * modules/pam_timestamp/tst-pam_timestamp: New. * po/POTFILES.in: Add pam_timestamp sources. * po/*.po: Regenerate. * po/cs.po: Updated translations.