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path: root/meta/recipes-extended/pam/libpam/use-utmpx.patch
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utmp() may not be configured in and use posix compliant utmpx always
UTMP is SVID legacy, UTMPX is mandated by POSIX

Upstream-Status: Pending
Signed-off-by: Khem Raj <raj.khem@gmail.com>
Index: Linux-PAM-1.2.1/libpam/pam_modutil_getlogin.c
===================================================================
--- Linux-PAM-1.2.1.orig/libpam/pam_modutil_getlogin.c
+++ Linux-PAM-1.2.1/libpam/pam_modutil_getlogin.c
@@ -10,8 +10,7 @@
 
 #include <stdlib.h>
 #include <unistd.h>
-#include <utmp.h>
-
+#include <utmpx.h>
 #define _PAMMODUTIL_GETLOGIN "_pammodutil_getlogin"
 
 const char *
@@ -22,7 +21,7 @@ pam_modutil_getlogin(pam_handle_t *pamh)
     const void *void_curr_tty;
     const char *curr_tty;
     char *curr_user;
-    struct utmp *ut, line;
+    struct utmpx *ut, line;
 
     status = pam_get_data(pamh, _PAMMODUTIL_GETLOGIN, &logname);
     if (status == PAM_SUCCESS) {
@@ -48,10 +47,10 @@ pam_modutil_getlogin(pam_handle_t *pamh)
     }
     logname = NULL;
 
-    setutent();
+    setutxent();
     strncpy(line.ut_line, curr_tty, sizeof(line.ut_line));
 
-    if ((ut = getutline(&line)) == NULL) {
+    if ((ut = getutxline(&line)) == NULL) {
 	goto clean_up_and_go_home;
     }
 
@@ -74,7 +73,7 @@ pam_modutil_getlogin(pam_handle_t *pamh)
 
 clean_up_and_go_home:
 
-    endutent();
+    endutxent();
 
     return logname;
 }
Index: Linux-PAM-1.2.1/modules/pam_issue/pam_issue.c
===================================================================
--- Linux-PAM-1.2.1.orig/modules/pam_issue/pam_issue.c
+++ Linux-PAM-1.2.1/modules/pam_issue/pam_issue.c
@@ -25,7 +25,7 @@
 #include <string.h>
 #include <unistd.h>
 #include <sys/utsname.h>
-#include <utmp.h>
+#include <utmpx.h>
 #include <time.h>
 #include <syslog.h>
 
@@ -246,13 +246,13 @@ read_issue_quoted(pam_handle_t *pamh, FI
 	      case 'U':
 		{
 		    unsigned int users = 0;
-		    struct utmp *ut;
-		    setutent();
-		    while ((ut = getutent())) {
+		    struct utmpx *ut;
+		    setutxent();
+		    while ((ut = getutxent())) {
 			if (ut->ut_type == USER_PROCESS)
 			    ++users;
 		    }
-		    endutent();
+		    endutxent();
 		    if (c == 'U')
 			snprintf (buf, sizeof buf, "%u %s", users,
 			          (users == 1) ? "user" : "users");
Index: Linux-PAM-1.2.1/modules/pam_lastlog/pam_lastlog.c
===================================================================
--- Linux-PAM-1.2.1.orig/modules/pam_lastlog/pam_lastlog.c
+++ Linux-PAM-1.2.1/modules/pam_lastlog/pam_lastlog.c
@@ -15,8 +15,9 @@
 #include <errno.h>
 #ifdef HAVE_UTMP_H
 # include <utmp.h>
-#else
-# include <lastlog.h>
+#endif
+#ifdef HAVE_UTMPX_H
+# include <utmpx.h>
 #endif
 #include <pwd.h>
 #include <stdlib.h>
@@ -27,6 +28,12 @@
 #include <syslog.h>
 #include <unistd.h>
 
+#ifndef HAVE_UTMP_H
+#define UT_LINESIZE 32
+#define UT_HOSTSIZE 32
+#define UT_NAMESIZE 256
+#endif
+
 #if defined(hpux) || defined(sunos) || defined(solaris)
 # ifndef _PATH_LASTLOG
 #  define _PATH_LASTLOG "/usr/adm/lastlog"
@@ -38,7 +45,7 @@
 #  define UT_LINESIZE 12
 # endif /* UT_LINESIZE */
 #endif
-#if defined(hpux)
+#if defined(hpux) || !defined HAVE_UTMP_H
 struct lastlog {
     time_t  ll_time;
     char    ll_line[UT_LINESIZE];
@@ -447,8 +454,8 @@ last_login_failed(pam_handle_t *pamh, in
 {
     int retval;
     int fd;
-    struct utmp ut;
-    struct utmp utuser;
+    struct utmpx ut;
+    struct utmpx utuser;
     int failed = 0;
     char the_time[256];
     char *date = NULL;
Index: Linux-PAM-1.2.1/modules/pam_limits/pam_limits.c
===================================================================
--- Linux-PAM-1.2.1.orig/modules/pam_limits/pam_limits.c
+++ Linux-PAM-1.2.1/modules/pam_limits/pam_limits.c
@@ -33,7 +33,7 @@
 #include <sys/resource.h>
 #include <limits.h>
 #include <glob.h>
-#include <utmp.h>
+#include <utmpx.h>
 #ifndef UT_USER  /* some systems have ut_name instead of ut_user */
 #define UT_USER ut_user
 #endif
@@ -227,7 +227,7 @@ static int
 check_logins (pam_handle_t *pamh, const char *name, int limit, int ctrl,
               struct pam_limit_s *pl)
 {
-    struct utmp *ut;
+    struct utmpx *ut;
     int count;
 
     if (ctrl & PAM_DEBUG_ARG) {
@@ -242,7 +242,7 @@ check_logins (pam_handle_t *pamh, const
         return LOGIN_ERR;
     }
 
-    setutent();
+    setutxent();
 
     /* Because there is no definition about when an application
        actually adds a utmp entry, some applications bizarrely do the
@@ -260,7 +260,7 @@ check_logins (pam_handle_t *pamh, const
 	count = 1;
     }
 
-    while((ut = getutent())) {
+    while((ut = getutxent())) {
 #ifdef USER_PROCESS
         if (ut->ut_type != USER_PROCESS) {
             continue;
@@ -296,7 +296,7 @@ check_logins (pam_handle_t *pamh, const
 	    break;
 	}
     }
-    endutent();
+    endutxent();
     if (count > limit) {
 	if (name) {
 	    pam_syslog(pamh, LOG_WARNING,
Index: Linux-PAM-1.2.1/modules/pam_timestamp/pam_timestamp.c
===================================================================
--- Linux-PAM-1.2.1.orig/modules/pam_timestamp/pam_timestamp.c
+++ Linux-PAM-1.2.1/modules/pam_timestamp/pam_timestamp.c
@@ -56,7 +56,7 @@
 #include <time.h>
 #include <sys/time.h>
 #include <unistd.h>
-#include <utmp.h>
+#include <utmpx.h>
 #include <syslog.h>
 #include <paths.h>
 #include "hmacsha1.h"
@@ -197,15 +197,15 @@ timestamp_good(time_t then, time_t now,
 static int
 check_login_time(const char *ruser, time_t timestamp)
 {
-	struct utmp utbuf, *ut;
+	struct utmpx utbuf, *ut;
 	time_t oldest_login = 0;
 
-	setutent();
+	setutxent();
 	while(
 #ifdef HAVE_GETUTENT_R
-	      !getutent_r(&utbuf, &ut)
+	      !getutxent_r(&utbuf, &ut)
 #else
-	      (ut = getutent()) != NULL
+	      (ut = getutxent()) != NULL
 #endif
 	      ) {
 		if (ut->ut_type != USER_PROCESS) {
@@ -218,7 +218,7 @@ check_login_time(const char *ruser, time
 			oldest_login = ut->ut_tv.tv_sec;
 		}
 	}
-	endutent();
+	endutxent();
 	if(oldest_login == 0 || timestamp < oldest_login) {
 		return PAM_AUTH_ERR;
 	}
Index: Linux-PAM-1.2.1/modules/pam_unix/support.c
===================================================================
--- Linux-PAM-1.2.1.orig/modules/pam_unix/support.c
+++ Linux-PAM-1.2.1/modules/pam_unix/support.c
@@ -13,7 +13,6 @@
 #include <pwd.h>
 #include <shadow.h>
 #include <limits.h>
-#include <utmp.h>
 #include <errno.h>
 #include <signal.h>
 #include <ctype.h>