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Purpose of commit: bugfix, new feature
Commit summary:
---------------
2008-02-13 Tomas Mraz <t8m@centrum.cz>
* modules/pam_namespace/Makefile.am: Add argv_parse files and namespace.d
dir.
* modules/pam_namespace/argv_parse.c: New file.
* modules/pam_namespace/argv_parse.h: New file.
* modules/pam_namespace/namespace.conf.5.xml: Document new features.
* modules/pam_namespace/pam_namespace.8.xml: Likewise.
* modules/pam_namespace/pam_namespace.h: Use SECURECONF_DIR define.
Define NAMESPACE_D_DIR and NAMESPACE_D_GLOB. Define new option flags
and polydir flags.
(polydir_s): Add rdir, replace exclusive with flags, add init_script,
owner, group, and mode.
(instance_data): Add ruser, gid, and ruid.
* modules/pam_namespace/pam_namespace.c: Remove now unused copy_ent().
(add_polydir_entry): Add the entry directly, no copy.
(del_polydir): New function.
(del_polydir_list): Call del_polydir().
(expand_variables, parse_create_params, parse_iscript_params,
parse_method): New functions.
(process_line): Call expand_variables() on polydir and instance prefix.
Call argv_parse() instead of strtok_r(). Allocate struct polydir_s on heap.
(parse_config_file): Parse .conf files from namespace.d dir after
namespace.conf.
(form_context): Call getcon() or get_default_context_with_level() when
appropriate flags are set.
(poly_name): Handle shared polydir flag.
(inst_init): Execute non-default init script when specified.
(create_polydir): New function.
(create_dirs): Remove the code which checks the polydir. Do not call
inst_init() when noinit flag is set.
(ns_setup): Check the polydir and eventually create it if the create flag
is set.
(setup_namespace): Use ruser uid from idata. Set the namespace polydir
pam data only when namespace was set up correctly. Unmount polydir
based on ruser.
(get_user_data): New function.
(pam_sm_open_session): Check for use_current_context and
use_default_context options. Call get_user_data().
(pam_sm_close_session): Call get_user_data().
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