pam_pwhistory: load config from file

* modules/pam_pwhistory/pam_pwhistory.c: Load config from file and
provide new conf option to select the file.
* modules/pam_pwhistory/pwhistory_config.c: Parse config from file and
load to options structure.
* modules/pam_pwhistory/pwhistory_config.h: Move options_t structure and
define parse_config_file().
* modules/pam_pwhistory/Makefile.am (noinst_HEADERS): Add pwhistory_config.h.
(pam_pwhistory_la_SOURCES): Add pwhistory_config.c.
(dist_secureconf_DATA): Add pwhistory.conf.
* modules/pam_pwhistory/pwhistory.conf: New configuration file.

Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=2068461

Signed-off-by: Iker Pedrosa <ipedrosa@redhat.com>

1 files changed, 3 insertions, 9 deletions

diff --git a/modules/pam_pwhistory/pam_pwhistory.c b/modules/pam_pwhistory/pam_pwhistory.c
index 9c1bdd87..5a7fb811 100644
--- a/modules/pam_pwhistory/pam_pwhistory.c
+++ b/modules/pam_pwhistory/pam_pwhistory.c
@@ -63,15 +63,8 @@
 
 #include "opasswd.h"
 #include "pam_inline.h"
+#include "pwhistory_config.h"
 
-struct options_t {
-  int debug;
-  int enforce_for_root;
-  int remember;
-  int tries;
-  const char *filename;
-};
-typedef struct options_t options_t;
 
 
 static void
@@ -312,6 +305,8 @@ pam_sm_chauthtok (pam_handle_t *pamh, int flags, int argc, const char **argv)
   options.remember = 10;
   options.tries = 1;
 
+  parse_config_file(pamh, argc, argv, &options);
+
   /* Parse parameters for module */
   for ( ; argc-- > 0; argv++)
     parse_option (pamh, *argv, &options);
@@ -319,7 +314,6 @@ pam_sm_chauthtok (pam_handle_t *pamh, int flags, int argc, const char **argv)
   if (options.debug)
     pam_syslog (pamh, LOG_DEBUG, "pam_sm_chauthtok entered");
 
-
   if (options.remember == 0)
     return PAM_IGNORE;