Fix whitespace issues

Cleanup trailing whitespaces, indentation that uses spaces before tabs,
and blank lines at EOF.  Make the project free of warnings reported by
git diff --check 4b825dc642cb6eb9a060e54bf8d69288fbee4904 HEAD

ABOUT-NLS

@@ -1108,4 +1108,3 @@ developed inside the GNU project.  Therefore the information given above
 applies also for every other Free Software Project.  Contact
 `[email protected]' to make the `.pot' files available to
 the translation teams.
-

CHANGELOG

@@ -129,17 +129,17 @@ bug report - outstanding bugs are listed here:
 * libpam: Fix debug code (kukuk)
 * pam_limits: Fix order of LIMITS_DEF_* priorities (kukuk)
 * pam_xauth: preserve DISPLAY variable (Novell #66885 - kukuk)
-* libpam: Add prelude ids (http://www.prelude-ids.org) support, 
+* libpam: Add prelude ids (http://www.prelude-ids.org) support,
   as experimental. (toady)
-* configure: Add the directory where new versions of cracklib is 
-  installed (from Jim Gifford - toady) 
+* configure: Add the directory where new versions of cracklib is
+  installed (from Jim Gifford - toady)
 * libpamc: Use standard u_intX_t types instead of __uX (kukuk)
 
 0.78: Do Nov 18 14:48:36 CET 2004
 
 * pam_unix: change the order of trying password changes - local first,
   NIS second (t8m)
-* pam_wheel: add option only_root to make it affect authentication 
+* pam_wheel: add option only_root to make it affect authentication
   to root account only
 * pam_unix: test return values on renaming files and report error to
   syslog and to user
@@ -175,7 +175,7 @@ bug report - outstanding bugs are listed here:
   The whole idea is to create few "systemwide" pam configs and include
   parts of them in application pam configs.
   (patch by "Dmitry V. Levin" <[email protected]>) (Bug 812567 - baggins).
-* doc/modules/pam_mkhomedir.sgml: Remove wrong debug options 
+* doc/modules/pam_mkhomedir.sgml: Remove wrong debug options
   (Bug 591605 - kukuk)
 * pam_unix: Call password checking helper whenever the password field
   contains only one character (Bug 1027903 - kukuk)
@@ -1050,7 +1050,7 @@ libpam. Prior versions were buggy - see bugfix for Bug 129775.
 	  (otherwise /etc/pam.conf is treated as before)
 	- given /etc/pam.d/
 	  . config files are named (in lower case) by service-name
-	  . config files have same syntax as /etc/pam.conf except	
+	  . config files have same syntax as /etc/pam.conf except
 	    that the "service-name" field is not present. (there
 	    are thus three manditory fields (and arguments are
 	    optional):
@@ -1207,7 +1207,7 @@ Sat Nov 30 19:30:20 PST 1996, Andrew Morgan <[email protected]>
   also some coverage of libpam_misc in the App. Developers' guide.
 
 * Cristian's patches to pam_limits and pam_pwdb. Fixing bugs. (MORE added)
-  
+
 * adopted Cristian's _pam_macros.h file to help with common macros and
   debugging stuff, gone through tree tidying up debugging lines to use
   this [not complete].
@@ -1287,7 +1287,7 @@ A brief summary of what has changed:
 
 * removed <bf/ .. / from documentation titles. This was not giving
   politically correct html..
- 
+
 ----- My vvvvvvvvvvvvvvvvvvv was a long time ago ;*] -----
 
 Wed Sep  4 23:57:19 PDT 1996 (Andrew Morgan <[email protected]>
@@ -1345,7 +1345,7 @@ PASSWD  - Elliot's account management included, and enhanced by Cristian Gafton.
 
   *** If anyone has any trouble, please *say*. Your problem will be
       fixed in the next release. Also please feel free to scour the
-      code for race conditions etc... 
+      code for race conditions etc...
 
 [* The above change requires that you purge your /usr/lib/security
    directory of the old pam_unix_XXX.so modules: they will NOT be deleted
@@ -1533,7 +1533,7 @@ CFLAGS* added 'make sterile' to top level makefile. This does extraclean and rem
   future documentation of static module support in pam_modules.sgml)
 * libpam; many changes to makefiles and also automated the inclusion of
   static module objects in pam_static.c
-* modified modules for automated static/dynamic support. Added static & 
+* modified modules for automated static/dynamic support. Added static &
   dynamic subdirectories, as instructed by Michael
 * removed an annoying syslog message from pam_filter: "parent exited.."
 * updated todo list (anyone know anything about svgalib/X? we probably should
@@ -1763,4 +1763,3 @@ Sat Feb 17 17:30:24 EST 1996 (Alexander O. Yuriev [email protected])
 	* stable code from pam_unix is added to modules/pam_unix
 	* test/test.c now requests username and password and attempts
 	  to perform authentication
-

COPYING

@@ -38,4 +38,3 @@ TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
 USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
 DAMAGE.
 -------------------------------------------------------------------------
-

Copyright

@@ -38,4 +38,3 @@ TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
 USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
 DAMAGE.
 -------------------------------------------------------------------------
-

INSTALL

@@ -233,4 +233,3 @@ configuration-related scripts to be executed by `/bin/bash'.
 
 `configure' also accepts some other, not widely useful, options.  Run
 `configure --help' for more details.
-

Make.xml.rules

@@ -22,4 +22,3 @@ README: README.xml
 	$(XSLTPROC) -o $(srcdir)/$@ --path $(srcdir) --xinclude --nonet http://docbook.sourceforge.net/release/xsl/current/manpages/docbook.xsl $<
 
 #CLEANFILES += $(man_MANS) README
-

NEWS

@@ -3,7 +3,7 @@ Linux-PAM NEWS -- history of user-visible changes.
 Release 1.1.5
 * pam_env: Fix CVE-2011-3148 and CVE-2011-3149
 * pam_access: Add hostname resolution cache
-* Documentation: Improvements/fixes 
+* Documentation: Improvements/fixes
 
 
 Release 1.1.4

conf/pam.conf

@@ -123,4 +123,3 @@ xdm	account    required   pam_unix.so
 # The PAM configuration file for the `xlock' service
 #
 xlock	auth       required   pam_unix.so
-

conf/pam_conv1/README

@@ -6,4 +6,3 @@ creates the pam.d/ directory in the current directory.
 The program will fail if ./pam.d/ already exists.
 
 Andrew Morgan, February 1997
-

doc/Makefile.am

@@ -19,4 +19,3 @@ releasedocs: all
 	make -C sag releasedocs
 	make -C adg releasedocs
 	make -C mwg releasedocs
-

doc/man/pam_chauthtok.3.xml

@@ -35,7 +35,7 @@
       associated with the handle <emphasis>pamh</emphasis>).
     </para>
     <para>
-      The <emphasis>pamh</emphasis> argument is an authentication 
+      The <emphasis>pamh</emphasis> argument is an authentication
       handle obtained by a prior call to pam_start().
       The flags argument is the binary or of zero or more of the
       following values:

doc/man/pam_get_user.3.xml

@@ -42,7 +42,7 @@
       name of the user specified by
       <citerefentry>
         <refentrytitle>pam_start</refentrytitle><manvolnum>3</manvolnum>
-      </citerefentry>. If no user was specified it what 
+      </citerefentry>. If no user was specified it what
       <function>pam_get_item (pamh, PAM_USER, ... );</function> would
       have returned. If this is NULL it obtains the username via the
       <citerefentry>
@@ -70,14 +70,14 @@
     </itemizedlist>
     <para>
       By whatever means the username is obtained, a pointer to it is
-      returned as the contents of <emphasis>*user</emphasis>. Note, 
-      this memory should <emphasis remap="B">not</emphasis> be 
+      returned as the contents of <emphasis>*user</emphasis>. Note,
+      this memory should <emphasis remap="B">not</emphasis> be
       <emphasis>free()</emphasis>'d or <emphasis>modified</emphasis>
       by the module.
     </para>
     <para>
       This function sets the <emphasis>PAM_USER</emphasis> item
-      associated with the 
+      associated with the
       <citerefentry>
         <refentrytitle>pam_set_item</refentrytitle><manvolnum>3</manvolnum>
       </citerefentry> and

doc/man/pam_set_data.3.xml

@@ -40,7 +40,7 @@
     <title>DESCRIPTION</title>
     <para>
       The <function>pam_set_data</function> function associates a pointer
-      to an object with the (hopefully) unique string 
+      to an object with the (hopefully) unique string
       <emphasis>module_data_name</emphasis> in the PAM context specified
       by the <emphasis>pamh</emphasis> argument.
     </para>

doc/man/pam_sm_authenticate.3.xml

@@ -62,7 +62,7 @@
             Return <emphasis remap='B'>PAM_AUTH_ERR</emphasis> if the
             database of authentication tokens for this authentication
             mechanism has a <emphasis>NULL</emphasis> entry for the user.
-            Without this flag, such a <emphasis>NULL</emphasis> token 
+            Without this flag, such a <emphasis>NULL</emphasis> token
             will lead to a success without the user being prompted.
           </para>
         </listitem>
@@ -95,7 +95,7 @@
         <listitem>
           <para>
             The modules were not able to access the authentication
-            information. This might be due to a network or hardware 
+            information. This might be due to a network or hardware
             failure etc.
           </para>
         </listitem>

doc/man/pam_xauth_data.3.xml

@@ -35,7 +35,7 @@ struct pam_xauth_data {
     <title>DESCRIPTION</title>
     <para>
       The <function>pam_xauth_data</function> structure contains X
-      authentication data used to make a connection to an X display.  
+      authentication data used to make a connection to an X display.
       Using this mechanism, an application can communicate X
       authentication data to PAM service modules.  This allows modules to
       make a connection to the user's X display in order to label the

doc/specs/.cvsignore

@@ -9,4 +9,3 @@ padout
 parse_l.c
 parse_y.c
 parse_y.h
-

doc/specs/draft-morgan-pam.raw

@@ -227,7 +227,7 @@ o Anyone can define additional agents by using names in the format
   your agent has as an identifier, they you are entitled to use
   this identifier.) It is up to each domain how it manages its local
   namespace.
- 
+
 The '/' character is a mandatory delimiter, indicating the end of the
 agent_id. The trailing data is of a format specific to the agent with
 the given agent_id.
@@ -377,7 +377,7 @@ conversation function with which it encapsulates module-generated
 requests and exchanges them with the client. Every message sent by a
 module should be acknowledged.
 
-General conversation functions can support the following five 
+General conversation functions can support the following five
 conversation requests:
 
    echo text string
@@ -617,7 +617,7 @@ Following a call to pamc_end, the pamc_handle_t will be invalid.
 
 The return value for this function is one of the following:
 
-  	PAM_BPC_TRUE	- all invoked agents are content with
+	PAM_BPC_TRUE	- all invoked agents are content with
 			  authentication (the server is _not_ judged
 			  _un_trustworthy by any agent)
 

doc/specs/parse_y.y

@@ -7,7 +7,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-    
+
 #define MAXLINE  1000
 #define INDENT_STRING "  "
 #define PAPER_WIDTH   74
@@ -86,7 +86,7 @@ doc:
     printf("%s%s%s", $2, fixed, $4);
     free($2);
     free($4);
-    
+
     l = (len+1)/2;
     memset(fixed, ' ', l);
     fixed[l] = '\0';
@@ -113,7 +113,7 @@ doc:
     printf("%s%s%s", $2, fixed, $4);
     free($2);
     free($4);
-    
+
     l = (len+1)/2;
     memset(fixed, ' ', l);
     fixed[l] = '\0';
@@ -281,7 +281,7 @@ char *new_counter(const char *key)
     sprintf(new+j, "%d", ++i);
 
     counter_root = set_key(counter_root, key, new);
-    
+
     if (last_label) {
 	free(last_label);
     }

doc/specs/rfc86.0.txt

@@ -1843,9 +1843,3 @@
 
 
    Samar, Schemers                                                  Page 28
-
-
-
-
-
-

dynamic/test.c

@@ -16,8 +16,8 @@ int main(int argc, char **argv)
     }
 
     /* handle->XXX points to each of the PAM functions */
-    
-    
+
+
     if (dlclose(handle)) {
 	fprintf(stderr, "failed to unload pam.so: %s\n", dlerror());
 	exit(1);

examples/.cvsignore

@@ -6,4 +6,3 @@ Makefile
 Makefile.in
 .deps
 .libs
-

examples/README

@@ -10,4 +10,3 @@ application it might be a place to start...
 
 xsh is new as of Linux-PAM-0.31, it is identical to blank, but invokes
 /bin/sh if the user is authenticated.
-

examples/blank.c

@@ -50,7 +50,7 @@ int main(int argc, char **argv)
 	  fprintf(stderr,"usage: %s [username]\n",argv[0]);
      } else if (argc == 2) {
 	  username = argv[1];
-     } 
+     }
 
      /* initialize the Linux-PAM library */
      retcode = pam_start("blank", username, &conv, &pamh);
@@ -141,7 +141,7 @@ int main(int argc, char **argv)
 	       fprintf(stderr,"%s: problem closing a session\n",argv[0]);
 	       break;
 	  }
-	  
+
 	  retcode = pam_setcred(pamh, PAM_DELETE_CRED);
 	  bail_out(pamh,0,retcode,"pam_setcred2");
 

examples/check_user.c

@@ -1,6 +1,6 @@
 /*
   $Id$
-  
+
   This program was contributed by Shane Watts <[email protected]>
   slight modifications by AGM.
 
@@ -35,7 +35,7 @@ int main(int argc, char *argv[])
     }
 
     retval = pam_start("check", user, &conv, &pamh);
-	
+
     if (retval == PAM_SUCCESS)
         retval = pam_authenticate(pamh, 0);    /* is user really user? */
 

examples/vpass.c

@@ -47,5 +47,3 @@ int main(void)
     pam_end(pamh, res);
     exit(0);
 }
-
-

libpam/.cvsignore

@@ -6,4 +6,3 @@ Makefile.in
 .libs
 *.la
 *.lo
-

libpam/pam_audit.c

@@ -161,7 +161,7 @@ pam_modutil_audit_write(pam_handle_t *pamh, int type,
 {
   int audit_fd;
   int rc;
-	
+
   if ((audit_fd=_pam_audit_open(pamh)) == -1) {
     return PAM_SYSTEM_ERR;
   } else if (audit_fd == -2) {
@@ -171,7 +171,7 @@ pam_modutil_audit_write(pam_handle_t *pamh, int type,
   rc = _pam_audit_writelog(pamh, audit_fd, type, message, retval);
 
   audit_close(audit_fd);
-  
+
   return rc < 0 ? PAM_SYSTEM_ERR : PAM_SUCCESS;
 }
 

libpam/pam_delay.c

@@ -156,4 +156,3 @@ int pam_fail_delay(pam_handle_t *pamh, unsigned int usec)
 
      return PAM_SUCCESS;
 }
-

libpam/pam_dispatch.c

@@ -261,16 +261,16 @@ static int _pam_dispatch_aux(pam_handle_t *pamh, int flags, struct handler *h,
 		    if (impression == _PAM_UNDEF
 			|| (impression == _PAM_POSITIVE
 			    && status == PAM_SUCCESS) ) {
-                	if ( retval != PAM_IGNORE || cached_retval == retval ) {
+			if ( retval != PAM_IGNORE || cached_retval == retval ) {
 			    impression = _PAM_POSITIVE;
-                    	    status = retval;
-                	}
+			    status = retval;
+			}
 		    }
 		}
 
 		/* this means that we need to skip #action stacked modules */
 		while (h->next != NULL && h->next->stack_level >= stack_level && action > 0) {
- 		    do {
+		    do {
 			h = h->next;
 			++depth;
 		    } while (h->next != NULL && h->next->stack_level > stack_level);