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* libpam: enclose macro parametersChristian Göttsche2024-02-221-12/+12
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* libpam_internal: supply debug functionalityTobias Stoeckmann2024-01-241-3/+19
| | | | | | | | | | Move function bodies from headers into dedicated object files stored in libpam_internal. This library won't be installed. Keep the debug function body in header, even though disabled when building Linux-PAM, to stay API compatible with previous versions. Signed-off-by: Tobias Stoeckmann <tobias@stoeckmann.org>
* treewide: fix typos in commentsTobias Stoeckmann2024-01-051-1/+1
| | | | Signed-off-by: Tobias Stoeckmann <tobias@stoeckmann.org>
* treewide: assume free(NULL) is no-opDmitry V. Levin2023-12-141-6/+3
| | | | | The C standard guarantees that if the argument of free() is a null pointer, no action occurs.
* libpam: mark debug output functions as potentially unusedBenny Baumann2023-11-141-0/+6
| | | | | | | | | | | | | | | Marking the functions _pam_output_debug and _pam_output_debug_info as potentially unused reduces the noise when compiling in debug mode. The warning is produced whenever _pam_macros.h is included, but no debug output is produced by the module. Just marking the function as static inline, which would have a similar effect, does not work for various reasons and instead produces new issues instead. Thus silencing this warning by telling the compiler about our intentions with these functions is the better approach. Signed-off-by: Benny Baumann <BenBE@geshi.org>
* libpam: mark _pam_output_debug as printf-style functionBenny Baumann2023-11-141-0/+1
| | | | | | | | Marking _pam_output_debug as printf-style function allows the compiler to check for potential errors at places where this function is called, like mismatches in the argument types or insufficient number of arguments. Signed-off-by: Benny Baumann <BenBE@geshi.org>
* libpam: avoid reserved variable names in macrosChristian Göttsche2023-08-071-13/+13
| | | | | | Identifiers staring with an underscores are reserved by the C standard. Also avoid double underscore, which are reserved by C++, in header file.
* libpam: introduce secure memory erasure helpersChristian Göttsche2023-02-281-10/+18
| | | | | | | | | | Avoid compiler optimizations to elide the memory erasure by using a secure method: either memset_explicit() [C23], bzero_explicit() [glibc 2.25] or a manual memory barrier. Since the current helpers _pam_overwrite*() and _pam_drop_reply() are publicly exported, create new ones in "pam_inline.h" and deprecate the old ones.
* Relevant BUGIDs: 2892529Thorsten Kukuk2009-12-081-2/+2
| | | | | | | | | | | | | | | | | | | | | Purpose of commit: bugfix Commit summary: --------------- 2009-12-08 Thorsten Kukuk <kukuk@thkukuk.de> * configure.in: Rename DEBUG to PAM_DEBUG. * libpam/pam_env.c: Likewise * libpam/pam_handlers.c: Likewise * libpam/pam_miscc.c: Likewise * libpam/pam_password.c: Likewise * libpam/include/security/_pam_macros.h: Likewise * libpamc/test/modules/pam_secret.c: Likewise * modules/pam_group/pam_group.c: Likewise * modules/pam_listfile/pam_listfile.c: Likewise * modules/pam_unix/pam_unix_auth.c: Likewise * modules/pam_unix/pam_unix_passwd.c: Likewise
* Relevant BUGIDs:Thorsten Kukuk2008-01-281-3/+3
| | | | | | | | | | | | | | | | | Purpose of commit: cleanup Commit summary: --------------- 2008-01-28 Thorsten Kukuk <kukuk@thkukuk.de> * libpam/pam_audit.c: Include pam_modutil_private.h. * libpam/pam_item.c (pam_set_item): Fix compiler warning. * libpam/pam_end.c (pam_end): Cast to correct pointer type. * libpam/include/security/_pam_macros.h (_pam_overwrite_n): Use unsigned int.
* Relevant BUGIDs:Tomas Mraz2007-12-061-0/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Purpose of commit: new feature Commit summary: --------------- 2007-12-06 Eamon Walsh <ewalsh@tycho.nsa.gov> * libpam/include/security/_pam_macros.h: Add _pam_overwrite_n() macro. * libpam/include/security/_pam_types.h: Add PAM_XDISPLAY, PAM_XAUTHDATA items, pam_xauth_data struct. * libpam/pam_item.c (pam_set_item, pam_get_item): Handle PAM_XDISPLAY and PAM_XAUTHDATA items. * libpam/pam_end.c (pam_end): Destroy the new items. * libpam/pam_private.h (pam_handle): Add data members for new items. Add prototype for _pam_memdup. * libpam/pam_misc.c: Add _pam_memdup. * doc/man/Makefile.am: Add pam_xauth_data.3. Replace pam_item_types.inc.xml with pam_item_types_std.inc.xml and pam_item_types_ext.inc.xml. * doc/man/pam_get_item.3.xml: Replace pam_item_types.inc.xml with pam_item_types_std.inc.xml and pam_item_types_ext.inc.xml. * doc/man/pam_set_item.3.xml: Likewise. * doc/man/pam_item_types.inc.xml: Removed file. * doc/man/pam_item_types_ext.inc.xml: New file. * doc/man/pam_item_types_std.inc.xml: New file.
* Relevant BUGIDs: noneThorsten Kukuk2005-08-181-2/+2
| | | | | | | | | | Purpose of commit: new feature Commit summary: --------------- Use modules.map as linker version map for all PAM modules Use /var/run for debug output instead of /tmp (Patches from ALT Linux/OWL)
* Relevant BUGIDs: noneThorsten Kukuk2005-08-161-1/+1
| | | | | | | | | Purpose of commit: new feature Commit summary: --------------- Big "automake/autoconf/libtool" commit
* Relevant BUGIDs: 124385Jan Rekorajski2000-12-041-14/+35
| | | | | | | | Purpose of commit: security Commit summary: --------------- * use O_NOFOLLOW if available when opening debug log
* Initial revisionAndrew G. Morgan2000-06-201-0/+166
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