Release 4 (by relup.sh)

[packages/cups.git] / cups-lspp.patch

diff -up cups-2.3.0/config.h.in.lspp cups-2.3.0/config.h.in
--- cups-2.3.0/config.h.in.lspp	2019-08-23 17:19:38.000000000 +0200
+++ cups-2.3.0/config.h.in	2019-10-07 12:24:43.058597468 +0200
@@ -684,4 +684,11 @@ static __inline int _cups_abs(int i) { r
 #  endif /* __GNUC__ || __STDC_VERSION__ */
 #endif /* !HAVE_ABS && !abs */
 
+/*
+ * Are we trying to meet LSPP requirements?
+ */
+
+#undef WITH_LSPP
+
+
 #endif /* !_CUPS_CONFIG_H_ */
diff -up cups-2.3.0/config-scripts/cups-lspp.m4.lspp cups-2.3.0/config-scripts/cups-lspp.m4
--- cups-2.3.0/config-scripts/cups-lspp.m4.lspp	2019-10-07 12:24:43.058597468 +0200
+++ cups-2.3.0/config-scripts/cups-lspp.m4	2019-10-07 12:24:43.058597468 +0200
@@ -0,0 +1,36 @@
+dnl
+dnl   LSPP code for the Common UNIX Printing System (CUPS).
+dnl
+dnl   Copyright 2005-2006 by Hewlett-Packard Development Company, L.P.
+dnl
+dnl   This program is free software; you can redistribute it and/or modify
+dnl   it under the terms of the GNU General Public License as published by
+dnl   the Free Software Foundation; version 2.
+dnl
+dnl   This program is distributed in the hope that it will be useful, but
+dnl   WITHOUT ANY WARRANTY; without even the implied warranty of
+dnl   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+dnl   General Public License for more details.
+dnl
+dnl   You should have received a copy of the GNU General Public License
+dnl   along with this program; if not, write to the Free Software Foundation,
+dnl   Inc., 51 Franklin Street, Fifth Floor Boston, MA 02110-1301 USA
+dnl
+
+dnl Are we trying to meet LSPP requirements
+AC_ARG_ENABLE(lspp, [  --enable-lspp           turn on auditing and label support, default=no])
+
+if test x"$enable_lspp" != xno; then
+    case "$uname" in
+        Linux)
+            AC_CHECK_LIB(audit,audit_log_user_message, [LIBAUDIT="-laudit" AC_SUBST(LIBAUDIT)])
+            AC_CHECK_HEADER(libaudit.h)
+            AC_CHECK_LIB(selinux,getpeercon, [LIBSELINUX="-lselinux" AC_SUBST(LIBSELINUX)])
+            AC_CHECK_HEADER(selinux/selinux.h)
+            AC_DEFINE(WITH_LSPP)
+            ;;
+        *)
+            # All others
+            ;;
+    esac
+fi
diff -up cups-2.3.0/configure.ac.lspp cups-2.3.0/configure.ac
--- cups-2.3.0/configure.ac.lspp	2019-10-07 12:24:43.058597468 +0200
+++ cups-2.3.0/configure.ac	2019-10-07 12:39:20.122546282 +0200
@@ -34,6 +34,8 @@ sinclude(config-scripts/cups-dnssd.m4)
 sinclude(config-scripts/cups-startup.m4)
 sinclude(config-scripts/cups-defaults.m4)
 
+sinclude(config-scripts/cups-lspp.m4)
+
 INSTALL_LANGUAGES=""
 UNINSTALL_LANGUAGES=""
 LANGFILES=""
diff -up cups-2.3.0/filter/common.c.lspp cups-2.3.0/filter/common.c
--- cups-2.3.0/filter/common.c.lspp	2019-08-23 17:19:38.000000000 +0200
+++ cups-2.3.0/filter/common.c	2019-10-07 12:24:43.059597461 +0200
@@ -11,6 +11,12 @@
  * Include necessary headers...
  */
 
+#include "config.h"
+#ifdef WITH_LSPP
+#define _GNU_SOURCE
+#include <string.h>
+#endif /* WITH_LSPP */
+
 #include "common.h"
 #include <locale.h>
 
@@ -293,6 +299,18 @@ WriteLabelProlog(const char *label,	/* I
 {
   const char	*classification;	/* CLASSIFICATION environment variable */
   const char	*ptr;			/* Temporary string pointer */
+#ifdef WITH_LSPP
+  int           i,                      /* counter */
+                n,                      /* counter */
+                lines,                  /* number of lines needed */
+                line_len,               /* index into tmp_label */
+                label_len,              /* length of the label in characters */
+                label_index,            /* index into the label */
+                longest,                /* length of the longest line */
+                longest_line,           /* index to the longest line */
+                max_width;              /* maximum width in characters */
+  char          **wrapped_label;        /* label with line breaks */
+#endif /* WITH_LSPP */
 
 
  /*
@@ -315,6 +333,124 @@ WriteLabelProlog(const char *label,	/* I
     return;
   }
 
+#ifdef WITH_LSPP
+  if (strncmp(classification, "LSPP:", 5) == 0 && label == NULL)
+  {
+   /*
+    * Based on the 12pt fixed width font below determine the max_width
+    */
+    max_width = width / 8;
+    longest_line = 0;
+    longest = 0;
+    classification += 5; // Skip the "LSPP:"
+    label_len = strlen(classification);
+
+    if (label_len > max_width)
+    {
+      lines = 1 + (int)(label_len / max_width);
+      line_len = (int)(label_len / lines);
+      wrapped_label = malloc(sizeof(*wrapped_label) * lines);
+      label_index = i = n = 0;
+      while (classification[label_index])
+      {
+        if ((label_index + line_len) > label_len)
+          break;
+        switch (classification[label_index + line_len + i])
+        {
+          case ':':
+          case ',':
+          case '-':
+            i++;
+            wrapped_label[n++] = strndup(&classification[label_index], (line_len + i));
+            label_index += line_len + i;
+            i = 0;
+            break;
+          default:
+            i++;
+            break;
+        }
+        if ((i + line_len) == max_width)
+        {
+          wrapped_label[n++] = strndup(&(classification[label_index]), (line_len + i));
+          label_index = label_index + line_len + i;
+          i = 0;
+        }
+      }
+      wrapped_label[n] = strndup(&classification[label_index], label_len - label_index);
+    }
+    else
+    {
+      lines = 1;
+      wrapped_label = malloc(sizeof(*wrapped_label));
+      wrapped_label[0] = (char*)classification;
+    }
+
+    for (n = 0; n < lines; n++ )
+    {
+      printf("userdict/ESPp%c(", ('a' + n));
+      for (ptr = wrapped_label[n], i = 0; *ptr; ptr ++, i++)
+        if (*ptr < 32 || *ptr > 126)
+          printf("\\%03o", *ptr);
+        else
+        {
+          if (*ptr == '(' || *ptr == ')' || *ptr == '\\')
+            putchar('\\');
+
+          printf("%c", *ptr);
+        }
+      if (i > longest)
+      {
+        longest = i;
+        longest_line = n;
+      }
+      printf(")put\n");
+    }
+
+   /*
+    * For LSPP use a fixed width font so that line wrapping can be calculated
+    */
+
+    puts("userdict/ESPlf /Nimbus-Mono findfont 12 scalefont put");
+
+   /*
+    * Finally, the procedure to write the labels on the page...
+    */
+
+    printf("userdict/ESPwl{\n"
+           "  ESPlf setfont\n");
+    printf("  ESPp%c stringwidth pop dup 12 add exch -0.5 mul %.0f add\n ",
+           'a' + longest_line, width * 0.5f);
+    for (n = 1; n < lines; n++)
+      printf(" dup");
+    printf("\n  1 setgray\n");
+    printf("  dup 6 sub %.0f %d index %.0f ESPrf\n",
+           (bottom - 2.0), (2 + lines), 6.0 + (16.0 * lines));
+    printf("  dup 6 sub %.0f %d index %.0f ESPrf\n",
+           (top - 6.0 - (16.0 * lines)), (2 + lines), 4.0 + (16.0 * lines));
+    printf("  0 setgray\n");
+    printf("  dup 6 sub %.0f %d index %.0f ESPrs\n",
+           (bottom - 2.0), (2 + lines), 6.0 + (16.0 * lines));
+    printf("  dup 6 sub %.0f %d index %.0f ESPrs\n",
+           (top - 6.0 - (16.0 * lines)), (2 + lines), 4.0 + (16.0 * lines));
+    for (n = 0; n < lines; n ++)
+    {
+      printf("  dup %.0f moveto ESPp%c show\n",
+             bottom + 6.0 + ((lines - (n+1)) * 16.0), 'a' + n);
+      printf("  %.0f moveto ESPp%c show\n", top + 2.0 - ((n + 1) * 16.0), 'a' + n);
+    }
+    printf("  pop\n"
+           "}bind put\n");
+
+   /*
+    * Do some clean up at the end of the LSPP special case
+    */
+    free(wrapped_label);
+
+  }
+  else
+  {
+#endif /* !WITH_LSPP */
+  
  /*
   * Set the classification + page label string...
   */
@@ -395,7 +531,10 @@ WriteLabelProlog(const char *label,	/* I
   printf("  %.0f moveto ESPpl show\n", top - 14.0);
   puts("pop");
   puts("}bind put");
+  }
+#ifdef WITH_LSPP
 }
+#endif /* WITH_LSPP */
 
 
 /*
diff -up cups-2.3.0/filter/pstops.c.lspp cups-2.3.0/filter/pstops.c
--- cups-2.3.0/filter/pstops.c.lspp	2019-08-23 17:19:38.000000000 +0200
+++ cups-2.3.0/filter/pstops.c	2019-10-07 12:24:43.059597461 +0200
@@ -3170,6 +3170,18 @@ write_label_prolog(pstops_doc_t *doc,	/*
 {
   const char	*classification;	/* CLASSIFICATION environment variable */
   const char	*ptr;			/* Temporary string pointer */
+#ifdef WITH_LSPP
+  int           i,                      /* counter */
+                n,                      /* counter */
+                lines,                  /* number of lines needed */
+                line_len,               /* index into tmp_label */
+                label_len,              /* length of the label in characters */
+                label_index,            /* index into the label */
+                longest,                /* length of the longest line */
+                longest_line,           /* index to the longest line */
+                max_width;              /* maximum width in characters */
+  char          **wrapped_label;        /* label with line breaks */
+#endif /* WITH_LSPP */
 
 
  /*
@@ -3192,6 +3204,124 @@ write_label_prolog(pstops_doc_t *doc,	/*
     return;
   }
 
+#ifdef WITH_LSPP
+  if (strncmp(classification, "LSPP:", 5) == 0 && label == NULL)
+  {
+   /*
+    * Based on the 12pt fixed width font below determine the max_width
+    */
+    max_width = width / 8;
+    longest_line = 0;
+    longest = 0;
+    classification += 5; // Skip the "LSPP:"
+    label_len = strlen(classification);
+
+    if (label_len > max_width)
+    {
+      lines = 1 + (int)(label_len / max_width);
+      line_len = (int)(label_len / lines);
+      wrapped_label = malloc(sizeof(*wrapped_label) * lines);
+      label_index = i = n = 0;
+      while (classification[label_index])
+      {
+        if ((label_index + line_len) > label_len)
+          break;
+        switch (classification[label_index + line_len + i])
+        {
+          case ':':
+          case ',':
+          case '-':
+            i++;
+            wrapped_label[n++] = strndup(&classification[label_index], (line_len + i));
+            label_index += line_len + i;
+            i = 0;
+            break;
+          default:
+            i++;
+            break;
+        }
+        if ((i + line_len) == max_width)
+        {
+          wrapped_label[n++] = strndup(&(classification[label_index]), (line_len + i));
+          label_index = label_index + line_len + i;
+          i = 0;
+        }
+      }
+      wrapped_label[n] = strndup(&classification[label_index], label_len - label_index);
+    }
+    else
+    {
+      lines = 1;
+      wrapped_label = malloc(sizeof(*wrapped_label));
+      wrapped_label[0] = (char*)classification;
+    }
+
+    for (n = 0; n < lines; n++ )
+    {
+      printf("userdict/ESPp%c(", ('a' + n));
+      for (ptr = wrapped_label[n], i = 0; *ptr; ptr ++, i++)
+        if (*ptr < 32 || *ptr > 126)
+          printf("\\%03o", *ptr);
+        else
+        {
+          if (*ptr == '(' || *ptr == ')' || *ptr == '\\')
+            putchar('\\');
+
+          printf("%c", *ptr);
+        }
+      if (i > longest)
+      {
+        longest = i;
+        longest_line = n;
+      }
+      printf(")put\n");
+    }
+
+   /*
+    * For LSPP use a fixed width font so that line wrapping can be calculated
+    */
+
+    puts("userdict/ESPlf /Nimbus-Mono findfont 12 scalefont put");
+
+   /*
+    * Finally, the procedure to write the labels on the page...
+    */
+
+    printf("userdict/ESPwl{\n"
+           "  ESPlf setfont\n");
+    printf("  ESPp%c stringwidth pop dup 12 add exch -0.5 mul %.0f add\n ",
+           'a' + longest_line, width * 0.5f);
+    for (n = 1; n < lines; n++)
+      printf(" dup");
+    printf("\n  1 setgray\n");
+    printf("  dup 6 sub %.0f %d index %.0f ESPrf\n",
+           (bottom - 2.0), (2 + lines), 6.0 + (16.0 * lines));
+    printf("  dup 6 sub %.0f %d index %.0f ESPrf\n",
+           (top - 6.0 - (16.0 * lines)), (2 + lines), 4.0 + (16.0 * lines));
+    printf("  0 setgray\n");
+    printf("  dup 6 sub %.0f %d index %.0f ESPrs\n",
+           (bottom - 2.0), (2 + lines), 6.0 + (16.0 * lines));
+    printf("  dup 6 sub %.0f %d index %.0f ESPrs\n",
+           (top - 6.0 - (16.0 * lines)), (2 + lines), 4.0 + (16.0 * lines));
+    for (n = 0; n < lines; n ++)
+    {
+      printf("  dup %.0f moveto ESPp%c show\n",
+             bottom + 6.0 + ((lines - (n+1)) * 16.0), 'a' + n);
+      printf("  %.0f moveto ESPp%c show\n", top + 2.0 - ((n + 1) * 16.0), 'a' + n);
+    }
+    printf("  pop\n"
+           "}bind put\n");
+
+   /*
+    * Do some clean up at the end of the LSPP special case
+    */
+    free(wrapped_label);
+
+  }
+  else
+  {
+#endif /* !WITH_LSPP */
+
  /*
   * Set the classification + page label string...
   */
@@ -3270,7 +3400,10 @@ write_label_prolog(pstops_doc_t *doc,	/*
   doc_printf(doc, "  %.0f moveto ESPpl show\n", top - 14.0);
   doc_puts(doc, "pop\n");
   doc_puts(doc, "}bind put\n");
+  }
+#ifdef WITH_LSPP
 }
+#endif /* WITH_LSPP */
 
 
 /*
diff -up cups-2.3.0/Makedefs.in.lspp cups-2.3.0/Makedefs.in
--- cups-2.3.0/Makedefs.in.lspp	2019-10-07 12:24:43.059597461 +0200
+++ cups-2.3.0/Makedefs.in	2019-10-07 12:37:19.200565805 +0200
@@ -174,7 +174,7 @@ IPPFIND_MAN	=	@IPPFIND_MAN@
 LDFLAGS		=	@LDFLAGS@
 LINKCUPS	=	@LINKCUPS@
 LINKCUPSSTATIC	=	../cups/$(LIBCUPSSTATIC) $(LIBS)
-LIBS		=	$(LIBGSSAPI) $(DNSSDLIBS) $(SSLLIBS) $(LIBZ) $(COMMONLIBS)
+LIBS		=	$(LIBGSSAPI) $(DNSSDLIBS) $(SSLLIBS) $(LIBZ) $(COMMONLIBS) @LIBAUDIT@ @LIBSELINUX@
 ONDEMANDFLAGS	=	@ONDEMANDFLAGS@
 ONDEMANDLIBS	=	@ONDEMANDLIBS@
 OPTIM		=	@OPTIM@
diff -up cups-2.3.0/scheduler/client.c.lspp cups-2.3.0/scheduler/client.c
--- cups-2.3.0/scheduler/client.c.lspp	2019-08-23 17:19:38.000000000 +0200
+++ cups-2.3.0/scheduler/client.c	2019-10-07 12:33:10.459693580 +0200
@@ -19,12 +19,20 @@
 #define _HTTP_NO_PRIVATE
 #include "cupsd.h"
 
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE
+#endif /* !defined(_GNU_SOURCE) */
 #ifdef __APPLE__
 #  include <libproc.h>
 #endif /* __APPLE__ */
 #ifdef HAVE_TCPD_H
 #  include <tcpd.h>
 #endif /* HAVE_TCPD_H */
+#ifdef WITH_LSPP
+#  include <selinux/selinux.h>
+#  include <selinux/context.h>
+#  include <fcntl.h>
+#endif /* WITH_LSPP */
 
 
 /*
@@ -265,6 +273,59 @@ cupsdAcceptClient(cupsd_listener_t *lis)
   }
 #endif /* HAVE_TCPD_H */
 
+#ifdef WITH_LSPP
+  if (is_lspp_config())
+  {
+    struct ucred cr;
+    unsigned int cl=sizeof(cr);
+
+    if (getsockopt(httpGetFd(con->http), SOL_SOCKET, SO_PEERCRED, &cr, &cl) == 0)
+    {
+     /*
+      * client_pid_to_auid() can be racey
+      * In this case the pid is based on a socket connected to the client
+      */
+      if ((con->auid = client_pid_to_auid(cr.pid)) == -1)
+      {
+        httpClose(con->http);
+        cupsdLogClient(con, CUPSD_LOG_ERROR,
+		       "Unable to determine client auid for client pid=%d",
+		       cr.pid);
+        free(con);
+        return;
+      }
+      cupsdLogClient(con, CUPSD_LOG_INFO,
+		     "peer's pid=%d, uid=%d, gid=%d, auid=%d",
+		     cr.pid, cr.uid, cr.gid, con->auid);
+    }
+    else
+    {
+      httpClose(con->http);
+      cupsdLogClient(con, CUPSD_LOG_ERROR, "getsockopt() failed");
+      free(con);
+      return; 
+    }
+
+   /*
+    * get the context of the peer connection
+    */
+    if (getpeercon(httpGetFd(con->http), &con->scon))
+    {
+      httpClose(con->http);
+      cupsdLogClient(con, CUPSD_LOG_ERROR, "getpeercon() failed");
+      free(con);
+      return; 
+    }
+
+    cupsdLogClient(con, CUPSD_LOG_INFO, "client context=%s", con->scon);
+  }
+  else
+  {
+    cupsdLogClient(con, CUPSD_LOG_DEBUG, "skipping getpeercon()");
+    cupsdSetString(&con->scon, UNKNOWN_SL);
+  }
+#endif /* WITH_LSPP */
+
 #ifdef AF_LOCAL
   if (httpAddrFamily(httpGetAddress(con->http)) == AF_LOCAL)
   {
@@ -558,6 +619,13 @@ cupsdReadClient(cupsd_client_t *con)	/*
   struct stat		filestats;	/* File information */
   mime_type_t		*type;		/* MIME type of file */
   static unsigned	request_id = 0;	/* Request ID for temp files */
+#ifdef WITH_LSPP
+  security_context_t	spoolcon;	/* context of the job file */
+  context_t		clicon;		/* contex_t container for con->scon */
+  context_t		tmpcon;		/* temp context to swap the level */
+  char			*clirange;	/* SELinux sensitivity range */
+  char			*cliclearance;	/* SELinux low end clearance */
+#endif /* WITH_LSPP */
 
 
   status = HTTP_STATUS_CONTINUE;
@@ -1679,6 +1747,73 @@ cupsdReadClient(cupsd_client_t *con)	/*
             fcntl(con->file, F_SETFD, fcntl(con->file, F_GETFD) | FD_CLOEXEC);
 	  }
 
+#ifdef WITH_LSPP
+	  if (strncmp(con->scon, UNKNOWN_SL, strlen(UNKNOWN_SL)) != 0)
+	  {
+	    if (getfilecon(con->filename, &spoolcon) == -1)
+	    {
+	      cupsdSendError(con, HTTP_STATUS_SERVER_ERROR, CUPSD_AUTH_NONE);
+	      cupsdCloseClient(con);
+	      return;
+	    }
+	    clicon = context_new(con->scon);
+	    tmpcon = context_new(spoolcon);
+	    freecon(spoolcon);
+	    if (!clicon || !tmpcon)
+	    {
+	      cupsdSendError(con, HTTP_STATUS_SERVER_ERROR, CUPSD_AUTH_NONE);
+	      if (clicon)
+		context_free(clicon);
+	      if (tmpcon)
+		context_free(tmpcon);
+	      cupsdCloseClient(con);
+	      return;
+	    }
+	    clirange = (char *) context_range_get(clicon);
+	    if (clirange)
+	    {
+	      clirange = strdup(clirange);
+	      if ((cliclearance = strtok(clirange, "-")) != NULL)
+	      {
+		if (context_range_set(tmpcon, cliclearance) == -1)
+		{
+		  cupsdSendError(con, HTTP_STATUS_SERVER_ERROR, CUPSD_AUTH_NONE);
+		  free(clirange);
+		  context_free(tmpcon);
+		  context_free(clicon);
+		  cupsdCloseClient(con);
+		  return;
+		}
+	      }
+	      else
+	      {
+		if (context_range_set(tmpcon, (context_range_get(clicon))) == -1)
+		{
+		  cupsdSendError(con, HTTP_STATUS_SERVER_ERROR, CUPSD_AUTH_NONE);
+		  free(clirange);
+		  context_free(tmpcon);
+		  context_free(clicon);
+		  cupsdCloseClient(con);
+		  return;
+		}
+	      }
+	      free(clirange);
+	    }
+	    if (setfilecon(con->filename, context_str(tmpcon)) == -1)
+	    {
+	      cupsdSendError(con, HTTP_STATUS_SERVER_ERROR, CUPSD_AUTH_NONE);
+	      context_free(tmpcon);
+	      context_free(clicon);
+	      cupsdCloseClient(con);
+	      return;
+	    }
+	    cupsdLogClient(con, CUPSD_LOG_DEBUG2, "%s set to %s", 
+			   con->filename, context_str(tmpcon));
+	    context_free(tmpcon);
+	    context_free(clicon);
+	  }
+#endif /* WITH_LSPP */
+
 	  if (httpGetState(con->http) != HTTP_STATE_POST_SEND)
 	  {
 	    if (!httpWait(con->http, 0))
@@ -3174,6 +3309,49 @@ is_path_absolute(const char *path)	/* I
   return (1);
 }
 
+#ifdef WITH_LSPP
+/*
+ * 'client_pid_to_auid()' - Using the client's pid, read /proc and determine the loginuid.
+ */
+
+uid_t client_pid_to_auid(pid_t clipid)
+{
+  uid_t uid;
+  int len, in;
+  char buf[16] = {0};
+  char fname[32] = {0};
+
+
+ /*
+  * Hopefully this pid is still the one we are interested in.
+  */
+  snprintf(fname, 32, "/proc/%d/loginuid", clipid);
+  in = open(fname, O_NOFOLLOW|O_RDONLY);
+
+  if (in < 0)
+    return (uid_t) -1;
+
+  errno = 0;
+
+  do {
+    len = read(in, buf, sizeof(buf));
+  } while (len < 0 && errno == EINTR);
+
+  close(in);
+
+  if (len < 0 || len >= sizeof(buf))
+    return (uid_t) -1;
+
+  errno = 0;
+  buf[len] = 0;
+  uid = strtol(buf, 0, 10);
+
+  if (errno != 0)
+    return (uid_t) -1;
+  else
+    return uid;
+}
+#endif /* WITH_LSPP */
 
 /*
  * 'pipe_command()' - Pipe the output of a command to the remote client.
diff -up cups-2.3.0/scheduler/client.h.lspp cups-2.3.0/scheduler/client.h
--- cups-2.3.0/scheduler/client.h.lspp	2019-08-23 17:19:38.000000000 +0200
+++ cups-2.3.0/scheduler/client.h	2019-10-07 12:24:43.113597079 +0200
@@ -13,6 +13,13 @@
 #endif /* HAVE_AUTHORIZATION_H */
 
 
+/* Copyright (C) 2005 Trusted Computer Solutions, Inc. */
+/* (c) Copyright 2005-2006 Hewlett-Packard Development Company, L.P. */
+
+#ifdef WITH_LSPP
+#include <selinux/selinux.h>
+#endif /* WITH_LSPP */
+
 /*
  * HTTP client structure...
  */
@@ -63,6 +70,10 @@ struct cupsd_client_s
 #ifdef HAVE_AUTHORIZATION_H
   AuthorizationRef	authref;	/* Authorization ref */
 #endif /* HAVE_AUTHORIZATION_H */
+#ifdef WITH_LSPP
+  security_context_t	scon;		/* Security context of connection */
+  uid_t			auid;		/* Audit loginuid of the client */
+#endif /* WITH_LSPP */
 };
 
 #define HTTP(con) ((con)->http)
@@ -136,6 +147,9 @@ extern void	cupsdStartListening(void);
 extern void	cupsdStopListening(void);
 extern void	cupsdUpdateCGI(void);
 extern void	cupsdWriteClient(cupsd_client_t *con);
+#ifdef WITH_LSPP
+extern uid_t	client_pid_to_auid(pid_t clipid);
+#endif /* WITH_LSPP */
 
 #ifdef HAVE_SSL
 extern int	cupsdEndTLS(cupsd_client_t *con);
diff -up cups-2.3.0/scheduler/conf.c.lspp cups-2.3.0/scheduler/conf.c
--- cups-2.3.0/scheduler/conf.c.lspp	2019-10-07 12:24:43.049597531 +0200
+++ cups-2.3.0/scheduler/conf.c	2019-10-07 12:24:43.113597079 +0200
@@ -37,6 +37,9 @@
 #  define INADDR_NONE	0xffffffff
 #endif /* !INADDR_NONE */
 
+#ifdef WITH_LSPP
+#  include <libaudit.h>
+#endif /* WITH_LSPP */
 
 /*
  * Configuration variable structure...
@@ -131,6 +134,10 @@ static const cupsd_var_t	cupsd_vars[] =
   { "ServerName",		&ServerName,		CUPSD_VARTYPE_STRING },
   { "StrictConformance",	&StrictConformance,	CUPSD_VARTYPE_BOOLEAN },
   { "Timeout",			&Timeout,		CUPSD_VARTYPE_TIME },
+#ifdef WITH_LSPP
+  { "AuditLog",			&AuditLog,		CUPSD_VARTYPE_INTEGER },
+  { "PerPageLabels",		&PerPageLabels,		CUPSD_VARTYPE_BOOLEAN },
+#endif /* WITH_LSPP */
   { "WebInterface",		&WebInterface,		CUPSD_VARTYPE_BOOLEAN }
 };
 static const cupsd_var_t	cupsfiles_vars[] =
@@ -544,6 +551,9 @@ cupsdReadConfiguration(void)
   const char	*tmpdir;		/* TMPDIR environment variable */
   struct stat	tmpinfo;		/* Temporary directory info */
   cupsd_policy_t *p;			/* Policy */
+#ifdef WITH_LSPP
+  char		*audit_message;		/* Audit message string */
+#endif /* WITH_LSPP */
 
 
  /*
@@ -864,6 +874,25 @@ cupsdReadConfiguration(void)
 
   RunUser = getuid();
 
+#ifdef WITH_LSPP
+  if (AuditLog != -1)
+  {
+   /*
+    * ClassifyOverride is set during read_configuration, if its ON, report it now
+    */
+    if (ClassifyOverride)
+      audit_log_user_message(AuditLog, AUDIT_USYS_CONFIG,
+                "[Config] ClassifyOverride=enabled Users can override print banners",
+                ServerName, NULL, NULL, 1);
+   /*
+    * PerPageLabel is set during read_configuration, if its OFF, report it now
+    */
+    if (!PerPageLabels)
+      audit_log_user_message(AuditLog, AUDIT_USYS_CONFIG,
+                "[Config] PerPageLabels=disabled", ServerName, NULL, NULL, 1);
+  }
+#endif /* WITH_LSPP */
+
   cupsdLogMessage(CUPSD_LOG_INFO, "Remote access is %s.",
                   RemotePort ? "enabled" : "disabled");
 
@@ -1275,7 +1304,19 @@ cupsdReadConfiguration(void)
     cupsdClearString(&Classification);
 
   if (Classification)
+  {
     cupsdLogMessage(CUPSD_LOG_INFO, "Security set to \"%s\"", Classification);
+#ifdef WITH_LSPP
+    if (AuditLog != -1)
+    {
+      audit_message = NULL;
+      cupsdSetStringf(&audit_message, "[Config] Classification=%s", Classification);
+      audit_log_user_message(AuditLog, AUDIT_LABEL_LEVEL_CHANGE, audit_message,
+                             ServerName, NULL, NULL, 1);
+      cupsdClearString(&audit_message);
+    }
+#endif /* WITH_LSPP */
+  }
 
  /*
   * Check the MaxClients setting, and then allocate memory for it...
@@ -3830,6 +3871,18 @@ read_location(cups_file_t *fp,		/* I - C
   return ((FatalErrors & CUPSD_FATAL_CONFIG) ? 0 : linenum);
 }
 
+#ifdef WITH_LSPP
+int is_lspp_config()
+{
+  if (Classification != NULL)
+    return ((_cups_strcasecmp(Classification, MLS_CONFIG) == 0) 
+            || (_cups_strcasecmp(Classification, TE_CONFIG) == 0)
+            || (_cups_strcasecmp(Classification, SELINUX_CONFIG) == 0));
+  else
+    return 0;
+}
+#endif /* WITH_LSPP */
+
 
 /*
  * 'read_policy()' - Read a <Policy name> definition.
diff -up cups-2.3.0/scheduler/conf.h.lspp cups-2.3.0/scheduler/conf.h
--- cups-2.3.0/scheduler/conf.h.lspp	2019-08-23 17:19:38.000000000 +0200
+++ cups-2.3.0/scheduler/conf.h	2019-10-07 12:24:43.113597079 +0200
@@ -243,6 +243,13 @@ VAR char		*ServerKeychain		VALUE(NULL);
 					/* Keychain holding cert + key */
 #endif /* HAVE_SSL */
 
+#ifdef WITH_LSPP
+VAR int			AuditLog		VALUE(-1),
+					/* File descriptor for audit */
+			PerPageLabels		VALUE(TRUE);
+					/* Put the label on each page */
+#endif /* WITH_LSPP */
+
 #ifdef HAVE_ONDEMAND
 VAR int			IdleExitTimeout		VALUE(60);
 					/* Time after which an idle cupsd will exit */
@@ -261,6 +268,9 @@ VAR int			HaveServerCreds		VALUE(0);
 VAR gss_cred_id_t	ServerCreds;	/* Server's GSS credentials */
 #endif /* HAVE_GSSAPI */
 
+#ifdef WITH_LSPP
+extern int		is_lspp_config(void);
+#endif /* WITH_LSPP */
 
 /*
  * Prototypes...
diff -up cups-2.3.0/scheduler/cupsd.h.lspp cups-2.3.0/scheduler/cupsd.h
--- cups-2.3.0/scheduler/cupsd.h.lspp	2019-08-23 17:19:38.000000000 +0200
+++ cups-2.3.0/scheduler/cupsd.h	2019-10-07 12:31:38.458480578 +0200
@@ -8,6 +8,8 @@
  * information.
  */
 
+/* Copyright (C) 2005 Trusted Computer Solutions, Inc. */
+/* (c) Copyright 2005-2006 Hewlett-Packard Development Company, L.P. */
 
 /*
  * Include necessary headers.
@@ -33,6 +35,14 @@
 #  include <unistd.h>
 #endif /* _WIN32 */
 
+#include "config.h"
+#ifdef WITH_LSPP
+#  define MLS_CONFIG "mls"
+#  define TE_CONFIG "te"
+#  define SELINUX_CONFIG "SELinux"
+#  define UNKNOWN_SL "UNKNOWN SL"
+#endif /* WITH_LSPP */
+
 #include "mime.h"
 
 #if defined(HAVE_CDSASSL)
diff -up cups-2.3.0/scheduler/ipp.c.lspp cups-2.3.0/scheduler/ipp.c
--- cups-2.3.0/scheduler/ipp.c.lspp	2019-10-07 12:24:43.016597764 +0200
+++ cups-2.3.0/scheduler/ipp.c	2019-10-07 12:31:01.243798920 +0200
@@ -11,6 +11,9 @@
  * information.
  */
 
+/* Copyright (C) 2005 Trusted Computer Solutions, Inc. */
+/* (c) Copyright 2005-2006 Hewlett-Packard Development Company, L.P. */
+
 /*
  * Include necessary headers...
  */
@@ -27,6 +30,14 @@ extern int mbr_group_name_to_uuid(const
 extern int mbr_check_membership_by_id(uuid_t user, gid_t group, int* ismember);
 #endif /* __APPLE__ */
 
+#ifdef WITH_LSPP
+#include <libaudit.h>
+#include <selinux/selinux.h>
+#include <selinux/context.h>
+#include <selinux/avc.h>
+#include <selinux/flask.h>
+#include <selinux/av_permissions.h>
+#endif /* WITH_LSPP */
 
 /*
  * Local functions...
@@ -51,6 +62,9 @@ static void	cancel_all_jobs(cupsd_client
 static void	cancel_job(cupsd_client_t *con, ipp_attribute_t *uri);
 static void	cancel_subscription(cupsd_client_t *con, int id);
 static int	check_rss_recipient(const char *recipient);
+#ifdef WITH_LSPP
+static int	check_context(cupsd_client_t *con, cupsd_job_t *job);
+#endif /* WITH_LSPP */
 static int	check_quotas(cupsd_client_t *con, cupsd_printer_t *p);
 static void	close_job(cupsd_client_t *con, ipp_attribute_t *uri);
 static void	copy_attrs(ipp_t *to, ipp_t *from, cups_array_t *ra,
@@ -1240,6 +1254,21 @@ add_job(cupsd_client_t  *con,		/* I - Cl
     "time-at-creation",
     "time-at-processing"
   };
+#ifdef WITH_LSPP
+  char		*audit_message;		/* Audit message string */
+  char		*printerfile;		/* device file pointed to by the printer */
+  char		*userheader = NULL;	/* User supplied job-sheets[0] */
+  char		*userfooter = NULL;	/* User supplied job-sheets[1] */
+  int		override = 0;		/* Was a banner overrode on a job */
+  security_id_t	clisid;			/* SELinux SID for the client */
+  security_id_t	psid;			/* SELinux SID for the printer */
+  context_t	printercon;		/* Printer's context string */
+  struct stat	printerstat;		/* Printer's stat buffer */
+  security_context_t	devcon;		/* Printer's SELinux context */
+  struct avc_entry_ref	avcref;		/* Pointer to the access vector cache */
+  security_class_t	tclass;		/* Object class for the SELinux check */
+  access_vector_t	avr;		/* Access method being requested */
+#endif /* WITH_LSPP */
 
 
   cupsdLogMessage(CUPSD_LOG_DEBUG2, "add_job(%p[%d], %p(%s), %p(%s/%s))",
@@ -1568,6 +1597,106 @@ add_job(cupsd_client_t  *con,		/* I - Cl
 
   attr = ippFindAttribute(con->request, "requesting-user-name", IPP_TAG_NAME);
 
+#ifdef WITH_LSPP
+  if (is_lspp_config())
+  {
+    if (!con->scon || strncmp(con->scon, UNKNOWN_SL, strlen(UNKNOWN_SL)) == 0)
+    {
+      cupsdLogMessage(CUPSD_LOG_ERROR, "add_job: missing classification for connection \'%s\'!", printer->name);
+      send_ipp_status(con, IPP_INTERNAL_ERROR, _("Missing required security attributes."));
+      return (NULL);
+    }
+
+   /*
+    * Perform an access check so that if the user gets feedback at enqueue time
+    */
+
+    printerfile = strstr(printer->device_uri, "/dev/");
+    if (printerfile == NULL && (strncmp(printer->device_uri, "file:/", 6) == 0))
+      printerfile = printer->device_uri + strlen("file:");
+
+    if (printerfile != NULL)
+    {
+      cupsdLogMessage(CUPSD_LOG_DEBUG, "add_job: Attempting an access check on printer device %s",
+                      printerfile);
+
+      if (lstat(printerfile, &printerstat) < 0)
+      {
+	if (errno != ENOENT)
+	{
+	  send_ipp_status(con, IPP_NOT_AUTHORIZED, _("Unable to stat the printer"));
+	  return (NULL);
+	}
+	/*
+	 * The printer does not exist, so for now assume it's a FileDevice
+	 */
+	tclass = SECCLASS_FILE;
+	avr = FILE__WRITE;
+      }
+      else if (S_ISCHR(printerstat.st_mode))
+      {
+	tclass = SECCLASS_CHR_FILE;
+	avr = CHR_FILE__WRITE;
+      }
+      else if (S_ISREG(printerstat.st_mode))
+      {
+	tclass = SECCLASS_FILE;
+	avr = FILE__WRITE;
+      }
+      else
+      {
+	send_ipp_status(con, IPP_NOT_AUTHORIZED, _("Printer is not a character device or regular file"));
+	return (NULL);
+      }
+      static int avc_initialized = 0;
+      if (!avc_initialized++)
+          avc_init("cupsd_enqueue_", NULL, NULL, NULL, NULL);
+      avc_entry_ref_init(&avcref);
+      if (avc_context_to_sid(con->scon, &clisid) != 0)
+      {
+        send_ipp_status(con, IPP_NOT_AUTHORIZED, _("Unable to get the SELinux sid of the client"));
+        return (NULL);
+      }
+      if (getfilecon(printerfile, &devcon) == -1)
+      {
+        send_ipp_status(con, IPP_NOT_AUTHORIZED, _("Unable to get the SELinux context of the printer"));
+        return (NULL);
+      }
+      printercon = context_new(devcon);
+      cupsdLogMessage(CUPSD_LOG_DEBUG, "add_job: printer context %s client context %s",
+                      context_str(printercon), con->scon);
+      context_free(printercon);
+
+      if (avc_context_to_sid(devcon, &psid) != 0)
+      {
+        send_ipp_status(con, IPP_NOT_AUTHORIZED, _("Unable to get the SELinux sid of the printer"));
+        freecon(devcon);
+        return (NULL);
+      }
+      freecon(devcon);
+      if (avc_has_perm(clisid, psid, tclass, avr, &avcref, NULL) != 0)
+      {
+       /*
+        * The access check failed, so cancel the job and send an audit message
+        */
+        if (AuditLog != -1)
+        {
+          audit_message = NULL;
+          cupsdSetStringf(&audit_message, "job=? auid=%u acct=%s obj=%s refused"
+                          " unable to access printer=%s", con->auid,
+                          con->username, con->scon, printer->name);
+          audit_log_user_message(AuditLog, AUDIT_USER_LABELED_EXPORT, audit_message,
+                                 ServerName, NULL, NULL, 0);
+          cupsdClearString(&audit_message);
+        }
+
+        send_ipp_status(con, IPP_NOT_AUTHORIZED, _("SELinux prohibits access to the printer"));
+        return (NULL);
+      }
+    }
+  }
+#endif /* WITH_LSPP */
+
   if ((job = cupsdAddJob(priority, printer->name)) == NULL)
   {
     send_ipp_status(con, IPP_INTERNAL_ERROR,
@@ -1576,6 +1705,32 @@ add_job(cupsd_client_t  *con,		/* I - Cl
     return (NULL);
   }
 
+#ifdef WITH_LSPP
+  if (is_lspp_config())
+  {
+   /*
+    * duplicate the security context and auid of the connection into the job structure
+    */
+    job->scon = strdup(con->scon);
+    job->auid = con->auid;
+
+   /* 
+    * add the security context to the request so that on a restart the security
+    * attributes will be able to be restored
+    */
+    ippAddString(con->request, IPP_TAG_JOB, IPP_TAG_NAME, "security-context", 
+		 NULL, job->scon);
+  }
+  else
+  {
+   /*
+    * Fill in the security context of the job as unlabeled
+    */
+    cupsdLogMessage(CUPSD_LOG_DEBUG, "add_job: setting context of job to %s", UNKNOWN_SL);
+    cupsdSetString(&job->scon, UNKNOWN_SL);
+  }
+#endif /* WITH_LSPP */
+
   job->dtype   = printer->type & (CUPS_PRINTER_CLASS | CUPS_PRINTER_REMOTE);
   job->attrs   = con->request;
   job->dirty   = 1;
@@ -1763,6 +1918,29 @@ add_job(cupsd_client_t  *con,		/* I - Cl
       ippSetString(job->attrs, &attr, 0, printer->job_sheets[0]);
       ippSetString(job->attrs, &attr, 1, printer->job_sheets[1]);
     }
+#ifdef WITH_LSPP
+    else
+    {
+     /*
+      * The option was present, so capture the user supplied strings
+      */
+      userheader = strdup(attr->values[0].string.text);
+
+      if (attr->num_values > 1)
+        userfooter = strdup(attr->values[1].string.text);
+
+      if (Classification != NULL && (strcmp(userheader, Classification) == 0)
+          && userfooter &&(strcmp(userfooter, Classification) == 0))
+      {
+       /*
+        * Since both values are Classification, the user is not trying to Override
+        */
+        free(userheader);
+        if (userfooter) free(userfooter);
+        userheader = userfooter = NULL;
+      }
+    }
+#endif /* WITH_LSPP */
 
     job->job_sheets = attr;
 
@@ -1793,6 +1971,9 @@ add_job(cupsd_client_t  *con,		/* I - Cl
 	                		     "job-sheets=\"%s,none\", "
 					     "job-originating-user-name=\"%s\"",
 	              Classification, job->username);
+#ifdef WITH_LSPP
+	  override = 1;
+#endif /* WITH_LSPP */
 	}
 	else if (attr->num_values == 2 &&
 	         strcmp(attr->values[0].string.text,
@@ -1811,6 +1992,9 @@ add_job(cupsd_client_t  *con,		/* I - Cl
 					     "job-originating-user-name=\"%s\"",
 		      attr->values[0].string.text,
 		      attr->values[1].string.text, job->username);
+#ifdef WITH_LSPP
+	  override = 1;
+#endif /* WITH_LSPP */
 	}
 	else if (strcmp(attr->values[0].string.text, Classification) &&
 	         strcmp(attr->values[0].string.text, "none") &&
@@ -1831,6 +2015,9 @@ add_job(cupsd_client_t  *con,		/* I - Cl
 			"job-originating-user-name=\"%s\"",
 			attr->values[0].string.text,
 			attr->values[1].string.text, job->username);
+#ifdef WITH_LSPP
+	  override = 1;
+#endif /* WITH_LSPP */
         }
       }
       else if (strcmp(attr->values[0].string.text, Classification) &&
@@ -1871,8 +2058,52 @@ add_job(cupsd_client_t  *con,		/* I - Cl
 		      "job-sheets=\"%s\", "
 		      "job-originating-user-name=\"%s\"",
 		      Classification, job->username);
+#ifdef WITH_LSPP
+	override = 1;
+#endif /* WITH_LSPP */
+      }
+#ifdef WITH_LSPP
+      if (is_lspp_config() && AuditLog != -1)
+      {
+        audit_message = NULL;
+
+        if (userheader || userfooter)
+        {
+          if (!override)
+          {
+           /*
+            * The user overrode the banner, so audit it
+            */
+            cupsdSetStringf(&audit_message, "job=%d user supplied job-sheets=%s,%s"
+                            " using banners=%s,%s", job->id, userheader,
+                            userfooter, attr->values[0].string.text,
+                            (attr->num_values > 1) ? attr->values[1].string.text : "(null)");
+            audit_log_user_message(AuditLog, AUDIT_LABEL_OVERRIDE, audit_message,
+                                   ServerName, NULL, NULL, 1);
+	  }
+          else
+          {
+           /*
+            * The user tried to override the banner, audit the failure
+            */
+            cupsdSetStringf(&audit_message, "job=%d user supplied job-sheets=%s,%s"
+                            " ignored banners=%s,%s", job->id, userheader,
+                            userfooter, attr->values[0].string.text,
+                            (attr->num_values > 1) ? attr->values[1].string.text : "(null)");
+            audit_log_user_message(AuditLog, AUDIT_LABEL_OVERRIDE, audit_message,
+                                   ServerName, NULL, NULL, 0);
+	  }
+          cupsdClearString(&audit_message);
+	}
       }
+
+      if (userheader)
+        free(userheader);
+      if (userfooter)
+        free(userfooter);
+#endif /* WITH_LSPP */
     }
+    
 
    /*
     * See if we need to add the starting sheet...
@@ -3648,6 +3879,128 @@ check_rss_recipient(
 }
 
 
+#ifdef WITH_LSPP
+/*
+ * 'check_context()' - Check SELinux security context of a user and job
+ */
+
+static int				/* O - 1 if OK, 0 if not, -1 on error */
+check_context(cupsd_client_t *con,	/* I - Client connection */
+             cupsd_job_t    *job)	/* I - Job */
+{
+  int			enforcing;	/* is SELinux in enforcing mode */
+  char			filename[1024]; /* Filename of the spool file */
+  security_id_t		clisid;		/* SELinux SID of the client */
+  security_id_t		jobsid;		/* SELinux SID of the job */
+  security_id_t		filesid;	/* SELinux SID of the spool file */
+  struct avc_entry_ref	avcref;		/* AVC entry cache pointer */
+  security_class_t	tclass;		/* SELinux security class */
+  access_vector_t	avr;		/* SELinux access being queried */
+  security_context_t	spoolfilecon;	/* SELinux context of the spool file */
+
+
+ /*
+  * Validate the input to be sure there are contexts to work with...
+  */
+
+  if (con->scon == NULL || job->scon == NULL
+      || strncmp(con->scon, UNKNOWN_SL, strlen(UNKNOWN_SL)) == 0
+      || strncmp(job->scon, UNKNOWN_SL, strlen(UNKNOWN_SL)) == 0)
+    return -1;
+
+  if ((enforcing = security_getenforce()) == -1)
+  {
+    cupsdLogJob(job, CUPSD_LOG_ERROR,
+		"Error while determining SELinux enforcement");
+    return -1;
+  }
+  cupsdLogJob(job, CUPSD_LOG_DEBUG,
+	      "check_context: client context %s job context %s",
+	      con->scon, job->scon);
+
+
+ /*
+  * Initialize the avc engine...
+  */
+
+  static int avc_initialized = 0;
+  if (! avc_initialized++)
+  {
+    if (avc_init("cupsd", NULL, NULL, NULL, NULL) < 0)
+    {
+      cupsdLogJob(job, CUPSD_LOG_ERROR, "check_context: unable avc_init");
+      return -1;
+    } 
+  } 
+  if (avc_context_to_sid(con->scon, &clisid) != 0)
+  {
+    cupsdLogJob(job, CUPSD_LOG_ERROR,
+		"check_context: unable to convert %s to SELinux sid",
+		con->scon);
+    return -1;
+  }
+  if (avc_context_to_sid(job->scon, &jobsid) != 0)
+  {
+    cupsdLogJob(job, CUPSD_LOG_ERROR,
+		"check_context: unable to convert %s to SELinux sid",
+		job->scon);
+    return -1;
+  }
+  avc_entry_ref_init(&avcref);
+  tclass = SECCLASS_FILE;
+  avr = FILE__READ;
+
+ /*
+  * Perform the check with the client as the subject, first with the job as the object
+  *   if that fails then with the spool file as the object...
+  */
+
+  if (avc_has_perm_noaudit(clisid, jobsid, tclass, avr, &avcref, NULL) != 0)
+  {
+    cupsdLogJob(job, CUPSD_LOG_INFO,
+		"check_context: SELinux denied access "
+		"based on the client context");
+
+    snprintf(filename, sizeof(filename), "%s/c%05d", RequestRoot, job->id);
+    if (getfilecon(filename, &spoolfilecon) == -1)
+    {
+      cupsdLogJob(job, CUPSD_LOG_ERROR,
+		  "check_context: Unable to get spoolfile context");
+      return -1;
+    }
+    if (avc_context_to_sid(spoolfilecon, &filesid) != 0)
+    {
+      cupsdLogJob(job, CUPSD_LOG_ERROR,
+		  "check_context: Unable to determine the "
+		  "SELinux sid for the spool file");
+      freecon(spoolfilecon);
+      return -1;
+    }
+    freecon(spoolfilecon);
+    if (avc_has_perm_noaudit(clisid, filesid, tclass, avr, &avcref, NULL) != 0)
+    {
+      cupsdLogJob(job, CUPSD_LOG_INFO,
+		  "check_context: SELinux denied access to the spool file");
+      return 0;
+    }
+    cupsdLogJob(job, CUPSD_LOG_INFO,
+		"check_context: SELinux allowed access to the spool file");
+    return 1;
+  }
+  else
+    if (enforcing == 0)
+      cupsdLogJob(job, CUPSD_LOG_INFO,
+		  "check_context: allowing operation due to permissive mode");
+    else
+      cupsdLogJob(job, CUPSD_LOG_INFO,
+		  "check_context: SELinux allowed access based on the "
+		  "client context");
+
+  return 1;
+}
+#endif /* WITH_LSPP */
+
+
 /*
  * 'check_quotas()' - Check quotas for a printer and user.
  */
@@ -4103,6 +4456,15 @@ copy_banner(cupsd_client_t *con,	/* I -
   char		attrname[255],		/* Name of attribute */
 		*s;			/* Pointer into name */
   ipp_attribute_t *attr;		/* Attribute */
+#ifdef WITH_LSPP
+  const char	*mls_label;		/* SL of print job */
+  char		*jobrange;		/* SELinux sensitivity range */
+  char		*jobclearance;		/* SELinux low end clearance */
+  context_t	jobcon;			/* SELinux context of the job */
+  context_t	tmpcon;			/* Temp context to set the level */
+  security_context_t	spoolcon;	/* Context of the file in the spool */
+#endif /* WITH_LSPP */
+
 
 
   cupsdLogMessage(CUPSD_LOG_DEBUG2,
@@ -4138,6 +4500,85 @@ copy_banner(cupsd_client_t *con,	/* I -
 
   fchmod(cupsFileNumber(out), 0640);
   fchown(cupsFileNumber(out), RunUser, Group);
+#ifdef WITH_LSPP
+  if (job->scon != NULL &&
+      strncmp(job->scon, UNKNOWN_SL, strlen(UNKNOWN_SL)) != 0)
+  {
+    if (getfilecon(filename, &spoolcon) == -1)
+    {
+      cupsdLogJob(job, CUPSD_LOG_ERROR,
+		  "Unable to get the context of the banner file %s - %s",
+		  filename, strerror(errno));
+      job->num_files --;
+      return (0);
+    }
+    tmpcon = context_new(spoolcon);
+    jobcon = context_new(job->scon);
+    freecon(spoolcon);
+    if (!tmpcon || !jobcon)
+    {
+      if (tmpcon)
+        context_free(tmpcon);
+      if (jobcon)
+        context_free(jobcon);
+      cupsdLogJob(job, CUPSD_LOG_ERROR,
+		  "copy_banner: Unable to get the SELinux contexts");
+      job->num_files --;
+      return (0);
+    }
+    jobrange = (char *) context_range_get(jobcon);
+    if (jobrange)
+    {
+      jobrange = strdup(jobrange);
+      if ((jobclearance = strtok(jobrange, "-")) != NULL)
+      {
+	if (context_range_set(tmpcon, jobclearance) == -1)
+	{
+	  cupsdLogJob(job, CUPSD_LOG_ERROR,
+		      "copy_banner: Unable to set the "
+		      "level of the context for file %s - %s",
+		      filename, strerror(errno));
+	  free(jobrange);
+	  context_free(jobcon);
+	  context_free(tmpcon);
+	  job->num_files --;
+	  return (0);
+	}
+      }
+      else
+      {
+	if (context_range_set(tmpcon, (context_range_get(jobcon))) == -1)
+	{
+	  cupsdLogJob(job, CUPSD_LOG_ERROR,
+		      "copy_banner: Unable to set the "
+		      "level of the context for file %s - %s",
+		      filename, strerror(errno));
+	  free(jobrange);
+	  context_free(jobcon);
+	  context_free(tmpcon);
+	  job->num_files --;
+	  return (0);
+	}
+      }
+      free(jobrange);
+    }
+    if (setfilecon(filename, context_str(tmpcon)) == -1)
+    {
+      cupsdLogJob(job, CUPSD_LOG_ERROR,
+		  "copy_banner: Unable to set the "
+		  "context of the banner file %s - %s",
+		  filename, strerror(errno));
+      context_free(jobcon);
+      context_free(tmpcon);
+      job->num_files --;
+      return (0);
+    }
+    cupsdLogJob(job, CUPSD_LOG_DEBUG2, "copy_banner: %s set to %s",
+		filename, context_str(tmpcon));
+    context_free(jobcon);
+    context_free(tmpcon);
+  }
+#endif /* WITH_LSPP */
 
  /*
   * Try the localized banner file under the subdirectory...
@@ -4232,6 +4673,24 @@ copy_banner(cupsd_client_t *con,	/* I -
       else
         s = attrname;
 
+#ifdef WITH_LSPP
+      if (strcmp(s, "mls-label") == 0)
+      {
+        if (job->scon != NULL && strncmp(job->scon, UNKNOWN_SL, strlen(UNKNOWN_SL)) != 0)
+        {
+          jobcon = context_new(job->scon);
+          if (_cups_strcasecmp(name, MLS_CONFIG) == 0)
+            mls_label = context_range_get(jobcon);
+          else if (_cups_strcasecmp(name, TE_CONFIG) == 0)
+            mls_label = context_type_get(jobcon);
+          else // default to using the whole context string
+            mls_label = context_str(jobcon);
+          cupsFilePuts(out, mls_label);
+          context_free(jobcon);
+        }
+        continue;
+      }
+#endif /* WITH_LSPP */
       if (!strcmp(s, "printer-name"))
       {
         cupsFilePuts(out, job->dest);
@@ -6439,6 +6898,22 @@ get_job_attrs(cupsd_client_t  *con,	/* I
 
   exclude = cupsdGetPrivateAttrs(policy, con, printer, job->username);
 
+
+#ifdef WITH_LSPP
+ /*
+  * Check SELinux...
+  */
+  if (is_lspp_config() && check_context(con, job) != 1)
+  {
+   /*
+    * Unfortunately we have to lie to the user...
+    */
+    send_ipp_status(con, IPP_NOT_FOUND, _("Job #%d does not exist!"), jobid);
+    return;
+  }
+#endif /* WITH_LSPP */
+
+
  /*
   * Copy attributes...
   */
@@ -6836,6 +7311,11 @@ get_jobs(cupsd_client_t  *con,		/* I - C
       if (username[0] && _cups_strcasecmp(username, job->username))
 	continue;
 
+#ifdef WITH_LSPP
+      if (is_lspp_config() && check_context(con, job) != 1)
+	continue;
+#endif /* WITH_LSPP */
+
       if (count > 0)
 	ippAddSeparator(con->response);
 
@@ -11445,6 +11925,11 @@ validate_user(cupsd_job_t    *job,	/* I
 
   strlcpy(username, get_username(con), userlen);
 
+#ifdef WITH_LSPP
+  if (is_lspp_config() && check_context(con, job) != 1)
+    return 0;
+#endif /* WITH_LSPP */
+
  /*
   * Check the username against the owner...
   */
diff -up cups-2.3.0/scheduler/job.c.lspp cups-2.3.0/scheduler/job.c
--- cups-2.3.0/scheduler/job.c.lspp	2019-10-07 12:24:43.024597707 +0200
+++ cups-2.3.0/scheduler/job.c	2019-10-07 12:30:13.092210820 +0200
@@ -8,6 +8,9 @@
  * information.
  */
 
+/* Copyright (C) 2005 Trusted Computer Solutions, Inc. */
+/* (c) Copyright 2005-2006 Hewlett-Packard Development Company, L.P. */
+
 /*
  * Include necessary headers...
  */
@@ -23,6 +26,14 @@
 #  endif /* HAVE_IOKIT_PWR_MGT_IOPMLIBPRIVATE_H */
 #endif /* __APPLE__ */
 
+#ifdef WITH_LSPP
+#include <libaudit.h>
+#include <selinux/selinux.h>
+#include <selinux/context.h>
+#include <selinux/avc.h>
+#include <selinux/flask.h>
+#include <selinux/av_permissions.h>
+#endif /* WITH_LSPP */
 
 /*
  * Design Notes for Job Management
@@ -544,6 +555,14 @@ cupsdContinueJob(cupsd_job_t *job)	/* I
 					/* PRINTER_STATE_REASONS env var */
 			rip_max_cache[255];
 					/* RIP_MAX_CACHE env variable */
+#ifdef WITH_LSPP
+  char			*audit_message = NULL;	/* Audit message string */
+  context_t		jobcon;		/* SELinux context of the job */
+  char			*label_template = NULL;	/* SL to put in classification
+						   env var */
+  const char		*mls_label = NULL;	/* SL to put in classification
+						   env var */
+#endif /* WITH_LSPP */
 
 
   cupsdLogMessage(CUPSD_LOG_DEBUG2,
@@ -1080,6 +1099,67 @@ cupsdContinueJob(cupsd_job_t *job)	/* I
   if (final_content_type[0])
     envp[envc ++] = final_content_type;
 
+#ifdef WITH_LSPP
+  if (is_lspp_config())
+  {
+    if (!job->scon || strncmp(job->scon, UNKNOWN_SL, strlen(UNKNOWN_SL)) == 0)
+    {
+      if (AuditLog != -1)
+      {
+        audit_message = NULL;
+        cupsdSetStringf(&audit_message, "job=%d auid=%u acct=%s printer=%s title=%s",
+                        job->id, job->auid, job->username, job->printer->name, title);
+        audit_log_user_message(AuditLog, AUDIT_USER_UNLABELED_EXPORT, audit_message,
+                               ServerName, NULL, NULL, 1);
+        cupsdClearString(&audit_message);
+      }
+    }
+    else 
+    {
+      jobcon = context_new(job->scon);
+
+      if ((attr = ippFindAttribute(job->attrs, "job-sheets", IPP_TAG_NAME)) == NULL)
+        label_template = strdup(Classification);
+      else if (attr->num_values > 1 &&
+               strcmp(attr->values[1].string.text, "none") != 0)
+        label_template = strdup(attr->values[1].string.text);
+      else
+        label_template = strdup(attr->values[0].string.text);
+
+      if (_cups_strcasecmp(label_template, MLS_CONFIG) == 0)
+        mls_label = context_range_get(jobcon);
+      else if (_cups_strcasecmp(label_template, TE_CONFIG) == 0)
+        mls_label = context_type_get(jobcon);
+      else if (_cups_strcasecmp(label_template, SELINUX_CONFIG) == 0)
+        mls_label = context_str(jobcon);
+      else
+        mls_label = label_template;
+
+      if (mls_label && (PerPageLabels || banner_page))
+      {
+        snprintf(classification, sizeof(classification), "CLASSIFICATION=LSPP:%s", mls_label);
+        envp[envc ++] = classification;
+      }
+
+      if ((AuditLog != -1) && !banner_page)
+      {
+        audit_message = NULL;
+        cupsdSetStringf(&audit_message, "job=%d auid=%u acct=%s printer=%s title=%s"
+                        " obj=%s label=%s", job->id, job->auid, job->username,
+                        job->printer->name, title, job->scon, mls_label?mls_label:"none");
+        audit_log_user_message(AuditLog, AUDIT_USER_LABELED_EXPORT, audit_message,
+                               ServerName, NULL, NULL, 1);
+        cupsdClearString(&audit_message);
+      }
+      context_free(jobcon);
+      free(label_template);
+    }
+  }
+  else
+   /*
+    * Fall through to the non-LSPP behavior
+    */
+#endif /* WITH_LSPP */
   if (Classification && !banner_page)
   {
     if ((attr = ippFindAttribute(job->attrs, "job-sheets",
@@ -1858,6 +1938,22 @@ cupsdLoadJob(cupsd_job_t *job)		/* I - J
       ippSetString(job->attrs, &job->reasons, 0, "none");
   }
 
+#ifdef WITH_LSPP
+  if ((attr = ippFindAttribute(job->attrs, "security-context", IPP_TAG_NAME)) != NULL)
+    cupsdSetString(&job->scon, attr->values[0].string.text);
+  else if (is_lspp_config())
+  {
+   /*
+    * There was no security context so delete the job
+    */
+    cupsdLogJob(job, CUPSD_LOG_ERROR,
+		"Missing or bad security-context attribute "
+		"in control file \"%s\"!",
+		jobfile);
+    goto error;
+  }
+#endif /* WITH_LSPP */
+
   job->impressions = ippFindAttribute(job->attrs, "job-impressions-completed", IPP_TAG_INTEGER);
   job->sheets      = ippFindAttribute(job->attrs, "job-media-sheets-completed", IPP_TAG_INTEGER);
   job->job_sheets  = ippFindAttribute(job->attrs, "job-sheets", IPP_TAG_NAME);
@@ -2273,6 +2369,14 @@ cupsdSaveJob(cupsd_job_t *job)		/* I - J
 {
   char		filename[1024];		/* Job control filename */
   cups_file_t	*fp;			/* Job file */
+#ifdef WITH_LSPP
+  security_context_t	spoolcon;	/* context of the job control file */
+  context_t		jobcon;		/* contex_t container for job->scon */
+  context_t		tmpcon;		/* Temp context to swap the level */
+  char			*jobclearance;	/* SELinux low end clearance */
+  const char		*jobrange;	/* SELinux sensitivity range */
+  char			*jobrange_copy;	/* SELinux sensitivity range */
+#endif /* WITH_LSPP */
 
 
   cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdSaveJob(job=%p(%d)): job->attrs=%p",
@@ -2295,6 +2399,78 @@ cupsdSaveJob(cupsd_job_t *job)		/* I - J
 
   fchown(cupsFileNumber(fp), RunUser, Group);
 
+#ifdef WITH_LSPP
+  if (job->scon && strncmp(job->scon, UNKNOWN_SL, strlen(UNKNOWN_SL)) != 0)
+  {
+    if (getfilecon(filename, &spoolcon) == -1)
+    {
+      cupsdLogJob(job, CUPSD_LOG_ERROR,
+		  "Unable to get context of job control file \"%s\" - %s.",
+		  filename, strerror(errno));
+      return;
+    }
+    jobcon = context_new(job->scon);
+    tmpcon = context_new(spoolcon);
+    freecon(spoolcon);
+    if (!jobcon || !tmpcon)
+    {
+      if (jobcon)
+        context_free(jobcon);
+      if (tmpcon)
+        context_free(tmpcon);
+      cupsdLogJob(job, CUPSD_LOG_ERROR, "Unable to get SELinux contexts");
+      return;
+    }
+    jobrange = context_range_get(jobcon);
+    if (jobrange)
+    {
+      jobrange_copy = strdup(jobrange);
+      if ((jobclearance = strtok(jobrange_copy, "-")) != NULL)
+      {
+	if (context_range_set(tmpcon, jobclearance) == -1)
+	{
+	  cupsdLogJob(job, CUPSD_LOG_ERROR,
+		      "Unable to set the range for "
+		      "job control file \"%s\" - %s.",
+		      filename, strerror(errno));
+	  free(jobrange_copy);
+	  context_free(tmpcon);
+	  context_free(jobcon);
+	  return;
+	}
+      }
+      else
+      {
+	if (context_range_set(tmpcon, (context_range_get(jobcon))) == -1)
+	{
+	  cupsdLogJob(job, CUPSD_LOG_ERROR,
+		      "Unable to set the range for "
+		      "job control file \"%s\" - %s.",
+		      filename, strerror(errno));
+	  free(jobrange_copy);
+	  context_free(tmpcon);
+	  context_free(jobcon);
+	  return;
+	}
+      }
+      free(jobrange_copy);
+    }
+    if (setfilecon(filename, context_str(tmpcon)) == -1)
+    {
+      cupsdLogJob(job, CUPSD_LOG_ERROR,
+		  "Unable to set context of job control file \"%s\" - %s.",
+		  filename, strerror(errno));
+      context_free(tmpcon);
+      context_free(jobcon);
+      return;
+    }
+    cupsdLogJob(job, CUPSD_LOG_DEBUG2, "New spool file context=%s",
+		 context_str(tmpcon));
+    context_free(tmpcon);
+    context_free(jobcon);
+  }
+#endif /* WITH_LSPP */
+
   job->attrs->state = IPP_IDLE;
 
   if (ippWriteIO(fp, (ipp_iocb_t)cupsFileWrite, 1, NULL,
@@ -3995,6 +4171,19 @@ get_options(cupsd_job_t *job,		/* I - Jo
 	  banner_page)
         continue;
 
+#ifdef WITH_LSPP
+     /*
+      * In LSPP mode refuse to honor the page-label
+      */
+      if (is_lspp_config() &&
+          !strcmp(attr->name, "page-label"))
+      {
+        cupsdLogJob(job, CUPSD_LOG_DEBUG,
+		    "Ignoring page-label option due to LSPP mode");
+        continue;
+      }
+#endif /* WITH_LSPP */
+
      /*
       * Otherwise add them to the list...
       */
@@ -4805,6 +4994,18 @@ start_job(cupsd_job_t     *job,		/* I -
           cupsd_printer_t *printer)	/* I - Printer to print job */
 {
   const char	*filename;		/* Support filename */
+#ifdef WITH_LSPP
+  char			*audit_message = NULL;	/* Audit message string */
+  char			*printerfile = NULL;	/* Device file pointed to by the printer */
+  security_id_t		clisid;		/* SELinux SID for the client */
+  security_id_t		psid;		/* SELinux SID for the printer */
+  context_t		printercon;	/* Printer's context string */
+  struct stat		printerstat;	/* Printer's stat buffer */
+  security_context_t	devcon;		/* Printer's SELinux context */
+  struct avc_entry_ref	avcref;		/* Pointer to the access vector cache */
+  security_class_t	tclass;		/* Object class for the SELinux check */
+  access_vector_t	avr;		/* Access method being requested */
+#endif /* WITH_LSPP */
   ipp_attribute_t *cancel_after = ippFindAttribute(job->attrs,
 						   "job-cancel-after",
 						   IPP_TAG_INTEGER);
@@ -4993,6 +5194,113 @@ start_job(cupsd_job_t     *job,		/* I -
   fcntl(job->side_pipes[1], F_SETFD,
 	fcntl(job->side_pipes[1], F_GETFD) | FD_CLOEXEC);
 
+#ifdef WITH_LSPP
+  if (is_lspp_config())
+  {
+   /*
+    * Perform an access check before printing, but only if the printer starts with /dev/
+    */
+    printerfile = strstr(printer->device_uri, "/dev/");
+    if (printerfile == NULL && (strncmp(printer->device_uri, "file:/", 6) == 0))
+      printerfile = printer->device_uri + strlen("file:");
+
+    if (printerfile != NULL)
+    {
+      cupsdLogJob(job, CUPSD_LOG_DEBUG,
+		  "Attempting to check access on printer device %s",
+		  printerfile);
+      if (lstat(printerfile, &printerstat) < 0)
+      {
+	if (errno != ENOENT)
+	{
+	  cupsdLogJob(job, CUPSD_LOG_ERROR,
+		      "Unable to stat the printer");
+	  cupsdSetJobState(job, IPP_JOB_ABORTED, CUPSD_JOB_DEFAULT, NULL);
+	  return ;
+	}
+	/*
+	 * The printer does not exist, so for now assume it's a FileDevice
+	 */
+	tclass = SECCLASS_FILE;
+	avr = FILE__WRITE;
+      }
+      else if (S_ISCHR(printerstat.st_mode))
+      {
+	tclass = SECCLASS_CHR_FILE;
+	avr = CHR_FILE__WRITE;
+      }
+      else if (S_ISREG(printerstat.st_mode))
+      {
+	tclass = SECCLASS_FILE;
+	avr = FILE__WRITE;
+      }
+      else
+      {
+	cupsdLogJob(job, CUPSD_LOG_ERROR,
+		    "StartJob: Printer is not a character device or "
+		    "regular file");
+	cupsdSetJobState(job, IPP_JOB_ABORTED, CUPSD_JOB_DEFAULT, NULL);
+	return ;
+      }
+      static int avc_initialized = 0;
+      if (!avc_initialized++)
+          avc_init("cupsd_dequeue_", NULL, NULL, NULL, NULL);
+      avc_entry_ref_init(&avcref);
+      if (avc_context_to_sid(job->scon, &clisid) != 0)
+      {
+        cupsdLogJob(job, CUPSD_LOG_ERROR,
+		    "Unable to determine the SELinux sid for the job");
+        cupsdSetJobState(job, IPP_JOB_ABORTED, CUPSD_JOB_DEFAULT, NULL);
+        return ;
+      }
+      if (getfilecon(printerfile, &devcon) == -1)
+      {
+        cupsdLogJob(job, CUPSD_LOG_ERROR,
+		    "Unable to get the SELinux context of %s",
+		    printerfile);
+        cupsdSetJobState(job, IPP_JOB_ABORTED, CUPSD_JOB_DEFAULT, NULL);
+        return ;
+      }
+      printercon = context_new(devcon);
+      cupsdLogJob(job, CUPSD_LOG_DEBUG,
+		  "Printer context %s client context %s",
+		  context_str(printercon), job->scon);
+      context_free(printercon);
+
+      if (avc_context_to_sid(devcon, &psid) != 0)
+      {
+        cupsdLogJob(job, CUPSD_LOG_ERROR,
+		    "Unable to determine the SELinux sid for the printer");
+        freecon(devcon);
+        cupsdSetJobState(job, IPP_JOB_ABORTED, CUPSD_JOB_DEFAULT, NULL);
+        return ;
+      }
+      freecon(devcon);
+
+      if (avc_has_perm(clisid, psid, tclass, avr, &avcref, NULL) != 0)
+      {
+       /*
+        * The access check failed, so cancel the job and send an audit message
+        */
+        if (AuditLog != -1)
+        {
+          audit_message = NULL;
+          cupsdSetStringf(&audit_message, "job=%d auid=%u acct=%s obj=%s canceled"
+                                          " unable to access printer=%s", job->id,
+                          job->auid, (job->username)?job->username:"?", job->scon, printer->name);
+          audit_log_user_message(AuditLog, AUDIT_USER_LABELED_EXPORT, audit_message,
+                                 ServerName, NULL, NULL, 0);
+          cupsdClearString(&audit_message);
+        }
+
+        cupsdSetJobState(job, IPP_JOB_ABORTED, CUPSD_JOB_DEFAULT, NULL);
+
+        return ;
+      }
+    }
+  }
+#endif /* WITH_LSPP */
+
  /*
   * Now start the first file in the job...
   */
diff -up cups-2.3.0/scheduler/job.h.lspp cups-2.3.0/scheduler/job.h
--- cups-2.3.0/scheduler/job.h.lspp	2019-08-23 17:19:38.000000000 +0200
+++ cups-2.3.0/scheduler/job.h	2019-10-07 12:29:54.364371023 +0200
@@ -7,6 +7,13 @@
  * Licensed under Apache License v2.0.  See the file "LICENSE" for more information.
  */
 
+/* Copyright (C) 2005 Trusted Computer Solutions, Inc. */
+/* (c) Copyright 2005-2006 Hewlett-Packard Development Company, L.P. */
+
+#ifdef WITH_LSPP
+#include <selinux/selinux.h>
+#endif /* WITH_LSPP */
+
 /*
  * Constants...
  */
@@ -84,6 +91,10 @@ struct cupsd_job_s			/**** Job request *
   int			progress;	/* Printing progress */
   int			num_keywords;	/* Number of PPD keywords */
   cups_option_t		*keywords;	/* PPD keywords */
+#ifdef WITH_LSPP
+  security_context_t	scon;		/* Security context of job */
+  uid_t			auid;		/* Audit loginuid for this job */
+#endif /* WITH_LSPP */
 };
 
 typedef struct cupsd_joblog_s		/**** Job log message ****/
diff -up cups-2.3.0/scheduler/main.c.lspp cups-2.3.0/scheduler/main.c
--- cups-2.3.0/scheduler/main.c.lspp	2019-10-07 12:24:43.037597616 +0200
+++ cups-2.3.0/scheduler/main.c	2019-10-07 12:24:43.119597037 +0200
@@ -57,6 +57,9 @@
 #  include <sys/param.h>
 #endif /* HAVE_SYS_PARAM_H */
 
+#ifdef WITH_LSPP
+#  include <libaudit.h>
+#endif /* WITH_LSPP */
 
 /*
  * Local functions...
@@ -123,6 +126,9 @@ main(int  argc,				/* I - Number of comm
 #if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET)
   struct sigaction	action;		/* Actions for POSIX signals */
 #endif /* HAVE_SIGACTION && !HAVE_SIGSET */
+#if WITH_LSPP
+  auditfail_t           failmode;       /* Action for audit_open failure */
+#endif /* WITH_LSPP */
 #ifdef __APPLE__
   int			use_sysman = 1;	/* Use system management functions? */
 #else
@@ -495,6 +501,25 @@ main(int  argc,				/* I - Number of comm
     exit(errno);
   }
 
+#ifdef WITH_LSPP
+  if ((AuditLog = audit_open()) < 0 )
+  {
+    if (get_auditfail_action(&failmode) == 0)
+    {
+      if (failmode == FAIL_LOG)
+      {
+        cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to connect to audit subsystem.");
+        AuditLog = -1;
+      }
+      else if (failmode == FAIL_TERMINATE)
+      {
+        fprintf(stderr, "cupsd: unable to start auditing, terminating");
+        return -1;
+      }
+    }
+  }
+#endif /* WITH_LSPP */
+
  /*
   * Let the system know we are busy while we bring up cupsd...
   */
@@ -1201,6 +1226,11 @@ main(int  argc,				/* I - Number of comm
 
   cupsdStopSelect();
 
+#ifdef WITH_LSPP
+  if (AuditLog != -1)
+    audit_close(AuditLog);
+#endif /* WITH_LSPP */
+
   return (!stop_scheduler);
 }
 
diff -up cups-2.3.0/scheduler/printers.c.lspp cups-2.3.0/scheduler/printers.c
--- cups-2.3.0/scheduler/printers.c.lspp	2019-08-23 17:19:38.000000000 +0200
+++ cups-2.3.0/scheduler/printers.c	2019-10-07 12:29:17.956658129 +0200
@@ -8,6 +8,8 @@
  * information.
  */
 
+/* (c) Copyright 2005-2006 Hewlett-Packard Development Company, L.P. */
+
 /*
  * Include necessary headers...
  */
@@ -32,6 +34,10 @@
 #  include <asl.h>
 #endif /* __APPLE__ */
 
+#ifdef WITH_LSPP
+#  include <libaudit.h>
+#  include <selinux/context.h>
+#endif /* WITH_LSPP */
 
 /*
  * Local functions...
@@ -2252,6 +2258,13 @@ cupsdSetPrinterAttrs(cupsd_printer_t *p)
   ipp_attribute_t *attr;		/* Attribute data */
   char		*name,			/* Current user/group name */
 		*filter;		/* Current filter */
+#ifdef WITH_LSPP
+  char		*audit_message;		/* Audit message string */
+  char		*printerfile;		/* Path to a local printer dev */
+  char		*rangestr;		/* Printer's range if its available */
+  security_context_t	devcon;		/* Printer SELinux context */
+  context_t	printercon;		/* context_t for the printer */
+#endif /* WITH_LSPP */
 
 
  /*
@@ -2378,6 +2391,45 @@ cupsdSetPrinterAttrs(cupsd_printer_t *p)
       attr->values[1].string.text = _cupsStrAlloc(Classification ?
 	                                   Classification : p->job_sheets[1]);
     }
+#ifdef WITH_LSPP
+    if (AuditLog != -1)
+    {
+      audit_message = NULL;
+      rangestr = NULL;
+      printercon = 0;
+      printerfile = strstr(p->device_uri, "/dev/");
+      if (printerfile == NULL && (strncmp(p->device_uri, "file:/", 6) == 0))
+        printerfile = p->device_uri + strlen("file:");
+
+      if (printerfile != NULL)
+      {
+        if (getfilecon(printerfile, &devcon) == -1)
+        {
+          if(is_selinux_enabled())
+            cupsdLogMessage(CUPSD_LOG_DEBUG, "cupsdSetPrinterAttrs: Unable to get printer context");
+        }
+        else
+        {
+          printercon = context_new(devcon);
+          freecon(devcon);
+        }
+      }
+
+      if (printercon && context_range_get(printercon))
+        rangestr = strdup(context_range_get(printercon));
+      else
+        rangestr = strdup("unknown");
+
+      cupsdSetStringf(&audit_message, "printer=%s uri=%s banners=%s,%s range=%s",
+                      p->name, p->sanitized_device_uri, p->job_sheets[0], p->job_sheets[1], rangestr);
+      audit_log_user_message(AuditLog, AUDIT_LABEL_LEVEL_CHANGE, audit_message,
+                             ServerName, NULL, NULL, 1);
+      if (printercon)
+        context_free(printercon);
+      free(rangestr);
+      cupsdClearString(&audit_message);
+    }
+#endif /* WITH_LSPP */
   }
 
   p->raw    = 0;