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* Prepare for the 1.4.0 releaseTomas Mraz2020-03-032-1/+34
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* Updated LINGUAS to remove completely untranslated languages.Tomas Mraz2020-03-0383-5161/+4427
| | | | Updated pot and po files
* Translated using Weblate (Czech)Tomáš Mráz2020-03-031-75/+42
| | | | | | | Currently translated at 100.0% (116 of 116 strings) Translation: linux-pam/master Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/cs/
* Translated using Weblate (Turkish)Oğuz Ersen2020-03-031-18/+17
| | | | | | | Currently translated at 100.0% (121 of 121 strings) Translation: linux-pam/master Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/tr/
* Translated using Weblate (French)Julien Humbert2020-03-031-45/+47
| | | | | | | Currently translated at 100.0% (121 of 121 strings) Translation: linux-pam/master Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/fr/
* Translated using Weblate (Polish)Piotr Drąg2020-03-031-22/+23
| | | | | | | | | | | | | | Currently translated at 100.0% (121 of 121 strings) Translation: linux-pam/master Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/pl/ Translated using Weblate (Polish) Currently translated at 100.0% (121 of 121 strings) Translation: linux-pam/master Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/pl/
* Deleted translation using Weblate (Cornish)Jean-Baptiste Holcroft2020-03-0316-8833/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Deleted translation using Weblate (German (Low)) Deleted translation using Weblate (Angika) Deleted translation using Weblate (English (United Kingdom)) Deleted translation using Weblate (Asturian) Deleted translation using Weblate (bal (generated)) Deleted translation using Weblate (Bodo) Deleted translation using Weblate (Breton) Deleted translation using Weblate (Cornish) Deleted translation using Weblate (Cornish) Deleted translation using Weblate (ilo (generated)) Deleted translation using Weblate (Maithili) Deleted translation using Weblate (Pedi) Deleted translation using Weblate (Tibetan) Deleted translation using Weblate (Twi) Deleted translation using Weblate (wba (generated))
* Update translation filesWeblate2020-03-0396-6254/+7055
| | | | | | | Updated by "Update PO files to match POT (msgmerge)" hook in Weblate. Translation: linux-pam/master Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/
* pam_tty_audit: if kernel audit is disabled return PAM_IGNOREIker Pedrosa2020-02-271-0/+8
| | | | | | If kernel audit is disabled the socket open will return EPROTONOSUPPORT. Return PAM_IGNORE from pam_tty_audit and log a warning in this situation so login is not blocked by the module.
* pam_modutil_sanitize_helper_fds: fix SIGPIPE effect of PAM_MODUTIL_PIPE_FDDmitry V. Levin2020-02-261-29/+1
| | | | | | | | | | | | | | | | When pam_modutil_sanitize_helper_fds() is invoked with PAM_MODUTIL_PIPE_FD to provide a dummy pipe descriptor for stdout or stderr, it closes the read end of the newly created dummy pipe. The negative side effect of this approach is that any write to such descriptor triggers a SIGPIPE. Avoid this by closing the write end of the dummy pipe and using its read end as a dummy pipe descriptor for output. Any read from such descriptor returns 0, and any write just fails with EBADF, which should work better with unprepared writers. * libpam/pam_modutil_sanitize.c (redirect_out_pipe): Remove. (redirect_out): Call redirect_in_pipe instead of redirect_out_pipe. Fixes: b0ec5d1e ("Introduce pam_modutil_sanitize_helper_fds")
* libpamc: Use ISO C99 uintX_t types instead of u_intX_tTBK2020-02-266-40/+44
| | | | u_intX_t is a glibcism this fixes the issue of compiling against musl libc.
* pam_group, pam_time: Fix regression in documentation from last change.Tomas Mraz2020-02-252-2/+2
| | | | | * modules/pam_group/group.conf.5.xml: Replace bare & with &. * modules/pam_time/time.conf.5.xml: Likewise.
* pam_limits: Document the unwanted effect of set_all with systemdTomas Mraz2020-02-241-1/+3
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* misc_conv: Use PAM_MAX_RESP_SIZE to limit the length of the inputTomas Mraz2020-02-241-1/+1
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* pam_group, pam_time: Fix logical error with multiple ! operatorsTomas Mraz2020-02-244-0/+14
| | | | | | | | * modules/pam_group/group.conf.5.xml: Document what logic list means. * modules/pam_time/time.conf.5.xml: Likewise. * modules/pam_group/pam_group.c (logic_field): Clear the not operator for the further operations. * modules/pam_time/pam_time.c (logic_field): Likewise.
* pam_shells: Recognize /bin/sh as the default shell.Tomas Mraz2020-02-241-2/+6
| | | | | | If the shell is empty in /etc/passwd entry it means /bin/sh. * modules/pam_shells/pam_shells.c (perform_check): Use /bin/sh as default shell.
* pam_env: Change the default to not read the user .pam_environment fileTomas Mraz2020-02-242-4/+4
| | | | | * modules/pam_env/pam_env.8.xml: Document the change. * modules/pam_env/pam_env.c: Set DEFAULT_USER_READ_ENVFILE to 0.
* pam_env: code cleanupsTomas Mraz2020-02-241-19/+37
| | | | | | | | | Raise BUF_SIZE to 8192 bytes. * modules/pam_env/pam_env.c (_parse_env_file): Ignore lines starting with '='. (_assemble_line): Detect long lines and binary files. (_check_var): Avoid overwriting global variable. (_expand_arg): Avoid repeated strlen calls.
* pam_namespace: secure tmp-inst directoriesTopi Miettinen2020-02-186-4/+104
| | | | | | | | | | | | | | | When using polyinstantiation for /tmp and/or /var/tmp, pam_namespace creates subdirectories with fixed name tmp-inst. These paths should be secured as early as possible to avoid that somehow these directories could created and controlled by for example a malicious user or service. Ship a systemd service, which creates the directories early in boot sequence with correct permissions and ownership. Closes #111. Signed-off-by: Topi Miettinen <toiwoton@gmail.com>
* Fix warnings from the recent PR mergesTomas Mraz2020-02-182-7/+21
| | | | | * modules/pam_succeed_if/pam_succeed_if.c: Fix const issues. * modules/pam_usertype/pam_usertype.c: Avoid maybe used uninitialized warning.
* pam_unix: add nullresetok option to allow reset blank passwordsPavel Březina2020-02-184-26/+67
| | | | | | | | | | Adding nullresetok to auth phase of pam_unix module will allow users with blank password to authenticate in order to immediatelly change their password even if nullok is not set. This allows to have blank password authentication disabled but still allows administrator to create new user accounts with expired blank password that must be change on the first login.
* pam_succeed_if: Add list support for group membership checksSerghei Anicheev2020-02-182-13/+29
| | | | | | | | | | | | | Examples: account requisite pam_succeed_if.so user ingroup group1:group2 OR account requisite pam_succeed_if.so user notingroup group1:group2 OR account requisite pam_succeed_if.so user ingroup wheel OR account requisite pam_succeed_if.so user notingroup wheel Can be very convenient to grant access based on complex group memberships (LDAP, etc)
* Remove redundant header file inclusionMIZUTA Takeshi2020-02-188-10/+0
| | | | | There are some source code including the same header file redundantly. We remove these redundant header file inclusion.
* pam_tally[2]: Updating man pages to indicate account leakage without silentedneville2020-01-292-2/+2
| | | | | * modules/pam_tally/pam_tally.8.xml: Mention account leakage without silent * modules/pam_tally2/pam_tally2.8.xml: Mention account leakage without silent
* pam_keyinit.8: add missing commaJakub Wilk2020-01-291-1/+1
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* pam_usertype: new module to tell if uid is in login.defs rangesPavel Březina2020-01-287-1/+589
| | | | | | | | | | | | | | This module will check if the user account type is system or regular based on its uid. To evaluate the condition it will use 0-99 reserved range together with `SYS_UID_MIN` and `SYS_UID_MAX` values from `/etc/login.defs`. If these values are not set, it uses configure-time defaults `--with-sys-uid-min` and `--with-uid-min` (according to `login.defs` man page `SYS_UID_MAX` defaults to `UID_MIN - 1`. This information can be used to skip specific module in pam stack based on the account type. `pam_succeed_if uid < 1000` is used at the moment however it does not reflect changes to `login.defs`.
* configure.ac: add --enable-doc optionFabrice Fontaine2020-01-2745-2/+97
| | | | | | | | Allow the user to disable documentation through --disable-doc (enabled by default), this is especially useful when cross-compiling for embedded targets Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
* Fix remaining -Wcast-qual compilation warningsDmitry V. Levin2020-01-2010-1/+63
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Introduce a new internal header file with definitions of DIAG_PUSH_IGNORE_CAST_QUAL and DIAG_POP_IGNORE_CAST_QUAL macros, use them to temporary silence -Wcast-qual compilation warnings in various modules. * libpam/include/pam_cc_compat.h: New file. * libpam/Makefile.am (noinst_HEADERS): Add include/pam_cc_compat.h. * modules/pam_mkhomedir/pam_mkhomedir.c: Include "pam_cc_compat.h". (create_homedir): Wrap execve invocation in DIAG_PUSH_IGNORE_CAST_QUAL and DIAG_POP_IGNORE_CAST_QUAL. * modules/pam_namespace/pam_namespace.c: Include "pam_cc_compat.h". (pam_sm_close_session): Wrap the cast that discards ‘const’ qualifier in DIAG_PUSH_IGNORE_CAST_QUAL and DIAG_POP_IGNORE_CAST_QUAL. * modules/pam_tty_audit/pam_tty_audit.c: Include "pam_cc_compat.h". (nl_send): Wrap the cast that discards ‘const’ qualifier in DIAG_PUSH_IGNORE_CAST_QUAL and DIAG_POP_IGNORE_CAST_QUAL. * modules/pam_unix/pam_unix_acct.c: Include "pam_cc_compat.h". (_unix_run_verify_binary): Wrap execve invocation in DIAG_PUSH_IGNORE_CAST_QUAL and DIAG_POP_IGNORE_CAST_QUAL. * modules/pam_unix/pam_unix_passwd.c: Include "pam_cc_compat.h". (_unix_run_update_binary): Wrap execve invocation in DIAG_PUSH_IGNORE_CAST_QUAL and DIAG_POP_IGNORE_CAST_QUAL. * modules/pam_unix/passverify.c: Include "pam_cc_compat.h". (unix_update_shadow): Wrap the cast that discards ‘const’ qualifier in DIAG_PUSH_IGNORE_CAST_QUAL and DIAG_POP_IGNORE_CAST_QUAL. * modules/pam_unix/support.c: Include "pam_cc_compat.h". (_unix_run_helper_binary): Wrap execve invocation in DIAG_PUSH_IGNORE_CAST_QUAL and DIAG_POP_IGNORE_CAST_QUAL. * modules/pam_xauth/pam_xauth.c: Include "pam_cc_compat.h". (run_coprocess): Wrap execv invocation in DIAG_PUSH_IGNORE_CAST_QUAL and DIAG_POP_IGNORE_CAST_QUAL.
* _pam_mkargv: add const qualifier to the first argumentDmitry V. Levin2020-01-203-6/+6
| | | | | | | | | | | | | | | Also fix the following compilation warning: tests/tst-pam_mkargv.c:21:22: warning: initialization discards ‘const’ qualifier from pointer target type [-Wdiscarded-qualifiers] char *argvstring = "user = XENDT\\userα user=XENDT\\user1"; ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ * libpam/pam_misc.c (_pam_mkargv): Add const qualifier to the first argument. * libpam/pam_private.h (_pam_mkargv): Likewise. * tests/tst-pam_mkargv.c (main): Convert argvstring from a pointer into a static const string, make argvresult array static const.
* Fix miscellaneous const issuesTomas Mraz2020-01-205-9/+8
| | | | | | | | | | * libpam/pam_modutil_searchkey.c: Avoid assigning empty string literal to non-const char *. * modules/pam_filter/pam_filter.c: Avoid using const char **. * modules/pam_mkhomedir/pam_mkhomedir.c: Properly cast out const for execve(). * modules/pam_namespace/pam_namespace.c: Properly cast out const from pam data. * modules/pam_tally2/pam_tally2.c: String literal must be assigned to const char *.
* pam_unix: Return NULL instead of calling crypt_md5_wrapper().Björn Esser2020-01-172-24/+18
| | | | | | | | | | | | | | | | | If the call to the crypt(3) function failed for some reason during hashing a new login passphrase, the wrapper function for computing a hash with the md5crypt method was called internally by the pam_unix module in previous versions of linux-pam. With CVE-2012-3287 in mind, the md5crypt method is not considered to be a safe nor recommended hashing method for a new login passphrase since at least 2012. Thus pam_unix should error out in case of a failure in crypt(3) instead of silently computing a hashed passphrase using a potentially unsafe method. * modules/pam_unix/pam_unix.8.xml: Update documentation. * modules/pam_unix/passverify.c (create_password_hash): Return NULL on error instead of silently invoke crypt_md5_wrapper().
* Changed variable salt to hashHulto2020-01-151-7/+7
| | | helper_verify_password's variable salt is not just the salt but the whole hash. Renamed for clarity and conformity with the rest of the code.
* Add two missing va_end() callsJosef Moellers2020-01-151-1/+4
| | | | | According to the man pages, "Each invocation of va_start() must be matched by a corresponding invocation of va_end() in the same function."
* Further grammar fixesSteve Langasek2020-01-151-1/+1
| | | | | | Signed-off-by: Russ Allbery <rra@debian.org> Bug-Debian: https://bugs.debian.org/651560
* Miscellaneous spelling fixesSteve Langasek2020-01-157-7/+7
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* Miscellaneous grammar fixesSteve Langasek2020-01-154-6/+6
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* pam_umask: document the 'nousergroups' optionAndreas Henriksson2020-01-101-0/+16
| | | | | Add a short description of the nousergroups to the pam_umask(8) man-page.
* pam_umask: add new 'nousergroups' module argumentAndreas Henriksson2020-01-101-0/+2
| | | | | | | | | | This is particularly useful when pam has been built with the new --enable-usergroups configure switch, allowing users to override the default-enabled state and disabling usergroups at runtime. This is synonymous but opposite to current and previous pam_umask default that could be changed to enabled at runtime with the usergroups argument.
* pam_umask: build-time usergroups option defaultAndreas Henriksson2020-01-102-0/+14
| | | | | | | | | | This change adds a configure option to set the default value of the usergroups option (of the pam_umask module) at build-time. Distributions usually makes the decision if usergroups should be used or not. This allows them to control the built-in default value, without having to ship the value in a config file (cluttering up the view of actually relevant user/system configuration overrides).
* pam_access: Fix (IPv6) address prefix size matchingmsalle2020-01-021-1/+3
| | | | | | | IPv6 address prefix sizes larger than 128 (i.e. not larger or equal to) should be discarded. Additionally, for IPv4 addresses, the largest valid prefix size should be 32. Fixes #161
* Do not use CFLAGS for warning flags set from configureTomas Mraz2019-12-1854-55/+95
| | | | | | | | To be able to set CFLAGS from make command-line but not to lose the warning flags. * configure.ac: Put warning flags to WARN_CFLAGS instead of CFLAGS. * */Makefile.am: Apply WARN_CFLAGS to AM_CFLAGS.
* Return only PAM_IGNORE or error from pam_motdBalint Reczey2019-12-172-2/+18
| | | | | Follow-up for c81280b16e1831ab0bdd0383486c7e2d1eaf1b5e. * modules/pam_motd/pam_motd.c: Return PAM_IGNORE if pam_putenv succeeds. * modules/pam_motd/pam_motd.8.xml: Document additional possible return values of the module.
* Add initial Travis CI supportDmitry V. Levin2019-12-163-0/+286
| | | | | | | | | | | This runs "make distcheck" using gcc-9, gcc-8, gcc-7, and clang on x86_64, x86, x32, aarch64, s390x, and ppc64le architectures. * .travis.yml: New file. * ci/install-dependencies.sh: Likewise. * ci/run-build-and-tests.sh: Likewise. Resolves: https://github.com/linux-pam/linux-pam/issues/28
* pam_pwhistory: fix build when -lxcrypt is not availableDmitry V. Levin2019-12-161-1/+1
| | | | | | | | | | | When xcrypt.h is available but -lxcrypt is not, pam_pwhistory fails to build with the following diagnostics: modules/pam_pwhistory/opasswd.c:111: undefined reference to `xcrypt_r' Fix this by using the same check for xcrypt as in other modules. * modules/pam_pwhistory/opasswd.c: Replace HAVE_XCRYPT_H with HAVE_LIBXCRYPT.
* Fix or suppress various warnings when compiling with -Wall -WextraTomas Mraz2019-12-1615-37/+39
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * conf/pam_conv1/Makefile.am: Add -Wno-unused-function -Wno-sign-compare to CFLAGS. * doc/specs/Makefile.am: Likewise. * libpamc/include/security/pam_client.h: Explicitly compare old_p with NULL. * modules/pam_access/pam_access.c: Avoid double const. * modules/pam_filter/pam_filter.c: Avoid arbitrary constants. Avoid strncpy() without copying the NUL byte. * modules/pam_group/pam_group.c: Mark switch fallthrough with comment. * modules/pam_time/pam_time.c: Likewise. * modules/pam_limits/pam_limits.c: Remove unused units variable. * modules/pam_listfile/pam_listfile.c: Avoid unnecessary strncpy, use pointers. * modules/pam_rootok/pam_rootok.c (log_callback): Mark unused parameter. * modules/pam_selinux/pam_selinux.c: Use string_to_security_class() instead of hardcoded value. * modules/pam_sepermit/pam_sepermit.c: Properly cast when comparing. * modules/pam_succeed_if/pam_succeed_if.c: Mark unused parameters. * modules/pam_unix/pam_unix_passwd.c: Remove unused variables and properly cast for comparison. * modules/pam_unix/support.c: Remove unused function.
* pam_motd: Export MOTD_SHOWN=pam after showing MOTDBalint Reczey2019-12-042-0/+7
| | | | | | | | | | | This is a useful indication for update-motd profile.d snippet which can also try to show MOTD when it is not already shown. The use-case for that is showing MOTD in shells in containers without PAM being involved. * modules/pam_motd/pam_motd.c: Export MOTD_SHOWN=pam after showing MOTD * modules/pam_motd/pam_motd.8.xml: Mention setting MOTD_SHOWN=pam in the man page
* Adds an auth module to pam_keyinit (#150)ppkarwasz2019-11-282-61/+114
| | | | | | | | | | | | | | Adds an auth module to pam_keyinit, whose implementation of pam_sm_setcred is identical to the implementation of pam_sm_open_session. It is useful with PAM applications, which call pam_setcred, before calling pam_open_session. * modules/pam_keyinit/pam_keyinit.c: Add an auth module to pam_keyinit. * modules/pam_keyinit/pam_keyinit.8.xml: Update the manpage to describe the new functionality.
* Lower "bad username" log priority (#154)Sophie Herold2019-11-283-3/+3
| | | | | * modules/pam_unix/pam_unix_auth.c: Use LOG_NOTICE instead of LOG_ERR. * modules/pam_unix/pam_unix_passwd.c: Likewise. * modules/pam_umask/pam_umask.c: Likewise.
* pam_namespace: Support for noexec, nosuid and nodev flags for tmpfs mountsTomas Mraz2019-11-043-5/+79
| | | | | | | | | | * modules/pam_namespace/namespace.conf.5.xml: Add documentation for the noexec, nosuid, and nodev flags support. * modules/pam_namespace/pam_namespace.c (filter_mntopts): New function to filter out the flags. (parse_method): Call the function. (ns_setup): Apply the flags to the tmpfs mount. * modules/pam_namespace/pam_namespace.h: Add mount_flags to polydir_s struct.
* Optimize the checkgrouplist functionTomas Mraz2019-11-041-11/+14
| | | | | | | | There is no point in rising the allocation size by doubling when we can allocate required memory size at once in the second pass. * libpam/pam_modutil_ingroup.c (checkgrouplist): Allocate some reasonable default size in first pass and required size in the second pass.
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