- (djm) [auth.c configure.ac misc.c monitor.c monitor_wrap.c] Support

   platforms, such as Android, that lack struct passwd.pw_gecos. Report
   and initial patch from Nathan Osman bz#2086; feedback tim@ ok dtucker@

6 files changed, 30 insertions, 49 deletions

diff --git a/ChangeLog b/ChangeLog
index cfd95e449..3fd81aa35 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+20130423
+ - (djm) [auth.c configure.ac misc.c monitor.c monitor_wrap.c] Support
+   platforms, such as Android, that lack struct passwd.pw_gecos. Report
+   and initial patch from Nathan Osman bz#2086; feedback tim@ ok dtucker@
+
 20130418
  - (djm) [config.guess config.sub] Update to last versions before they switch
    to GPL3. ok dtucker@
diff --git a/auth.c b/auth.c
index 6128fa460..666c493dc 100644
--- a/auth.c
+++ b/auth.c
@@ -721,10 +721,12 @@ fakepw(void)
         fake.pw_name = "NOUSER";
         fake.pw_passwd =
             "$2a$06$r3.juUaHZDlIbQaO2dS9FuYxL1W9M81R1Tc92PoSNmzvpEqLkLGrK";
+#ifdef HAVE_STRUCT_PASSWD_PW_GECOS
         fake.pw_gecos = "NOUSER";
+#endif
         fake.pw_uid = privsep_pw == NULL ? (uid_t)-1 : privsep_pw->pw_uid;
         fake.pw_gid = privsep_pw == NULL ? (gid_t)-1 : privsep_pw->pw_gid;
-#ifdef HAVE_PW_CLASS_IN_PASSWD
+#ifdef HAVE_STRUCT_PASSWD_PW_CLASS
         fake.pw_class = "";
 #endif
         fake.pw_dir = "/nonexist";
diff --git a/configure.ac b/configure.ac
index 9777d597f..c30d547d9 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,4 +1,4 @@
-# $Id: configure.ac,v 1.520 2013/04/18 11:36:20 dtucker Exp $
+# $Id: configure.ac,v 1.521 2013/04/23 04:25:53 djm Exp $
 #
 # Copyright (c) 1999-2004 Damien Miller
 #
@@ -15,7 +15,7 @@
 # OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 
 AC_INIT([OpenSSH], [Portable], [openssh-unix-dev@mindrot.org])
-AC_REVISION($Revision: 1.520 $)
+AC_REVISION($Revision: 1.521 $)
 AC_CONFIG_SRCDIR([ssh.c])
 AC_LANG([C])
 
@@ -3303,9 +3303,16 @@ OSSH_CHECK_HEADER_FOR_FIELD([ut_time], [utmpx.h], [HAVE_TIME_IN_UTMPX])
 OSSH_CHECK_HEADER_FOR_FIELD([ut_tv], [utmpx.h], [HAVE_TV_IN_UTMPX])
 
 AC_CHECK_MEMBERS([struct stat.st_blksize])
+AC_CHECK_MEMBERS([struct passwd.pw_gecos, struct passwd.pw_class,
+struct passwd.pw_change, struct passwd.pw_expire],
+[], [], [[
+#include <sys/types.h>
+#include <pwd.h>
+]])
+
 AC_CHECK_MEMBER([struct __res_state.retrans], [], [AC_DEFINE([__res_state], [state],
         [Define if we don't have struct __res_state in resolv.h])],
-[
+[[
 #include <stdio.h>
 #if HAVE_SYS_TYPES_H
 # include <sys/types.h>
@@ -3313,7 +3320,7 @@ AC_CHECK_MEMBER([struct __res_state.retrans], [], [AC_DEFINE([__res_state], [sta
 #include <netinet/in.h>
 #include <arpa/nameser.h>
 #include <resolv.h>
-])
+]])
 
 AC_CACHE_CHECK([for ss_family field in struct sockaddr_storage],
                 ac_cv_have_ss_family_in_struct_ss, [
@@ -3343,45 +3350,6 @@ if test "x$ac_cv_have___ss_family_in_struct_ss" = "xyes" ; then
                 [Fields in struct sockaddr_storage])
 fi
 
-AC_CACHE_CHECK([for pw_class field in struct passwd],
-                ac_cv_have_pw_class_in_struct_passwd, [
-        AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <pwd.h> ]],
-        [[ struct passwd p; p.pw_class = 0; ]])],
-        [ ac_cv_have_pw_class_in_struct_passwd="yes" ],
-        [ ac_cv_have_pw_class_in_struct_passwd="no" 
-        ])
-])
-if test "x$ac_cv_have_pw_class_in_struct_passwd" = "xyes" ; then
-        AC_DEFINE([HAVE_PW_CLASS_IN_PASSWD], [1],
-                [Define if your password has a pw_class field])
-fi
-
-AC_CACHE_CHECK([for pw_expire field in struct passwd],
-                ac_cv_have_pw_expire_in_struct_passwd, [
-        AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <pwd.h> ]],
-        [[ struct passwd p; p.pw_expire = 0; ]])],
-        [ ac_cv_have_pw_expire_in_struct_passwd="yes" ],
-        [ ac_cv_have_pw_expire_in_struct_passwd="no" 
-        ])
-])
-if test "x$ac_cv_have_pw_expire_in_struct_passwd" = "xyes" ; then
-        AC_DEFINE([HAVE_PW_EXPIRE_IN_PASSWD], [1],
-                [Define if your password has a pw_expire field])
-fi
-
-AC_CACHE_CHECK([for pw_change field in struct passwd],
-                ac_cv_have_pw_change_in_struct_passwd, [
-        AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <pwd.h> ]],
-        [[ struct passwd p; p.pw_change = 0; ]])],
-        [ ac_cv_have_pw_change_in_struct_passwd="yes" ],
-        [ ac_cv_have_pw_change_in_struct_passwd="no" 
-        ])
-])
-if test "x$ac_cv_have_pw_change_in_struct_passwd" = "xyes" ; then
-        AC_DEFINE([HAVE_PW_CHANGE_IN_PASSWD], [1],
-                [Define if your password has a pw_change field])
-fi
-
 dnl make sure we're using the real structure members and not defines
 AC_CACHE_CHECK([for msg_accrights field in struct msghdr],
                 ac_cv_have_accrights_in_msghdr, [
diff --git a/misc.c b/misc.c
index a7a23dcc6..9e287433a 100644
--- a/misc.c
+++ b/misc.c
@@ -206,16 +206,18 @@ pwcopy(struct passwd *pw)
 
         copy->pw_name = xstrdup(pw->pw_name);
         copy->pw_passwd = xstrdup(pw->pw_passwd);
+#ifdef HAVE_STRUCT_PASSWD_PW_GECOS
         copy->pw_gecos = xstrdup(pw->pw_gecos);
+#endif
         copy->pw_uid = pw->pw_uid;
         copy->pw_gid = pw->pw_gid;
-#ifdef HAVE_PW_EXPIRE_IN_PASSWD
+#ifdef HAVE_STRUCT_PASSWD_PW_EXPIRE
         copy->pw_expire = pw->pw_expire;
 #endif
-#ifdef HAVE_PW_CHANGE_IN_PASSWD
+#ifdef HAVE_STRUCT_PASSWD_PW_CHANGE
         copy->pw_change = pw->pw_change;
 #endif
-#ifdef HAVE_PW_CLASS_IN_PASSWD
+#ifdef HAVE_STRUCT_PASSWD_PW_CLASS
         copy->pw_class = xstrdup(pw->pw_class);
 #endif
         copy->pw_dir = xstrdup(pw->pw_dir);
diff --git a/monitor.c b/monitor.c
index 8006b833c..6560740b6 100644
--- a/monitor.c
+++ b/monitor.c
@@ -778,8 +778,10 @@ mm_answer_pwnamallow(int sock, Buffer *m)
         buffer_put_string(m, pwent, sizeof(struct passwd));
         buffer_put_cstring(m, pwent->pw_name);
         buffer_put_cstring(m, "*");
+#ifdef HAVE_STRUCT_PASSWD_PW_GECOS
         buffer_put_cstring(m, pwent->pw_gecos);
-#ifdef HAVE_PW_CLASS_IN_PASSWD
+#endif
+#ifdef HAVE_STRUCT_PASSWD_PW_CLASS
         buffer_put_cstring(m, pwent->pw_class);
 #endif
         buffer_put_cstring(m, pwent->pw_dir);
diff --git a/monitor_wrap.c b/monitor_wrap.c
index ea654a73f..3304f5bf2 100644
--- a/monitor_wrap.c
+++ b/monitor_wrap.c
@@ -259,8 +259,10 @@ mm_getpwnamallow(const char *username)
                 fatal("%s: struct passwd size mismatch", __func__);
         pw->pw_name = buffer_get_string(&m, NULL);
         pw->pw_passwd = buffer_get_string(&m, NULL);
+#ifdef HAVE_STRUCT_PASSWD_PW_GECOS
         pw->pw_gecos = buffer_get_string(&m, NULL);
-#ifdef HAVE_PW_CLASS_IN_PASSWD
+#endif
+#ifdef HAVE_STRUCT_PASSWD_PW_CLASS
         pw->pw_class = buffer_get_string(&m, NULL);
 #endif
         pw->pw_dir = buffer_get_string(&m, NULL);