+diff -up cups-2.2b2/config.h.in.lspp cups-2.2b2/config.h.in
+--- cups-2.2b2/config.h.in.lspp 2016-06-27 17:39:48.075973879 +0200
++++ cups-2.2b2/config.h.in 2016-06-27 17:47:31.376356684 +0200
+@@ -737,4 +737,11 @@ 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-2.2b2/config-scripts/cups-lspp.m4.lspp cups-2.2b2/config-scripts/cups-lspp.m4
+--- cups-2.2b2/config-scripts/cups-lspp.m4.lspp 2016-06-27 17:39:48.076973871 +0200
++++ cups-2.2b2/config-scripts/cups-lspp.m4 2016-06-27 17:39:48.076973871 +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-2.2b2/configure.ac.lspp cups-2.2b2/configure.ac
+--- cups-2.2b2/configure.ac.lspp 2016-06-24 17:43:35.000000000 +0200
++++ cups-2.2b2/configure.ac 2016-06-27 17:39:48.076973871 +0200
+@@ -38,6 +38,8 @@ sinclude(config-scripts/cups-startup.m4)
+ sinclude(config-scripts/cups-defaults.m4)
+ sinclude(config-scripts/cups-scripting.m4)
+
++sinclude(config-scripts/cups-lspp.m4)
++
+ INSTALL_LANGUAGES=""
+ UNINSTALL_LANGUAGES=""
+ LANGFILES=""
+diff -up cups-2.2b2/filter/common.c.lspp cups-2.2b2/filter/common.c
+--- cups-2.2b2/filter/common.c.lspp 2016-06-24 17:43:35.000000000 +0200
++++ cups-2.2b2/filter/common.c 2016-06-27 17:39:48.076973871 +0200
+@@ -17,6 +17,12 @@
+ * Include necessary headers...
+ */
+
++#include "config.h"
++#ifdef WITH_LSPP
++#define _GNU_SOURCE
++#include <string.h>
++#endif /* WITH_LSPP */
++
+ #include "common.h"
+ #include <locale.h>
+
+@@ -299,6 +305,18 @@ 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 */
+
+
+ /*
+@@ -321,6 +339,124 @@ 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...
+ */
+@@ -401,7 +537,10 @@ 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-2.2b2/filter/pstops.c.lspp cups-2.2b2/filter/pstops.c
+--- cups-2.2b2/filter/pstops.c.lspp 2016-06-24 17:43:35.000000000 +0200
++++ cups-2.2b2/filter/pstops.c 2016-06-27 17:39:48.077973863 +0200
+@@ -3176,6 +3176,18 @@ 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 */
+
+
+ /*
+@@ -3198,6 +3210,124 @@ 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...
+ */
+@@ -3276,7 +3406,10 @@ 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-2.2b2/Makedefs.in.lspp cups-2.2b2/Makedefs.in
+--- cups-2.2b2/Makedefs.in.lspp 2016-06-27 17:39:48.045974117 +0200
++++ cups-2.2b2/Makedefs.in 2016-06-27 17:39:48.077973863 +0200
+@@ -143,7 +143,7 @@ LDFLAGS = -L../cgi-bin -L../cups -L../f
+ @LDFLAGS@ @RELROFLAGS@ @PIEFLAGS@ $(OPTIM)
+ LINKCUPS = @LINKCUPS@ $(LIBGSSAPI) $(DNSSDLIBS) $(LIBZ)
+ LINKCUPSIMAGE = @LINKCUPSIMAGE@
+-LIBS = $(LINKCUPS) $(COMMONLIBS)
++LIBS = $(LINKCUPS) $(COMMONLIBS) @LIBAUDIT@ @LIBSELINUX@
+ ONDEMANDFLAGS = @ONDEMANDFLAGS@
+ ONDEMANDLIBS = @ONDEMANDLIBS@
+ OPTIM = @OPTIM@
+diff -up cups-2.2b2/scheduler/client.c.lspp cups-2.2b2/scheduler/client.c
+--- cups-2.2b2/scheduler/client.c.lspp 2016-06-24 17:43:35.000000000 +0200
++++ cups-2.2b2/scheduler/client.c 2016-06-27 17:39:48.077973863 +0200
+@@ -22,12 +22,20 @@
+ #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 */
+
+
+ /*
+@@ -266,6 +274,59 @@ 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)
+ {
+@@ -560,6 +621,13 @@ cupsdReadClient(cupsd_client_t *con) /*
+ mime_type_t *type; /* MIME type of file */
+ cupsd_printer_t *p; /* Printer */
+ 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;
+@@ -1924,6 +1992,73 @@ 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))
+@@ -3456,6 +3591,49 @@ 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-2.2b2/scheduler/client.h.lspp cups-2.2b2/scheduler/client.h
+--- cups-2.2b2/scheduler/client.h.lspp 2016-06-24 17:43:35.000000000 +0200
++++ cups-2.2b2/scheduler/client.h 2016-06-27 17:39:48.077973863 +0200
+@@ -16,6 +16,13 @@
+ #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...
+ */
+@@ -65,6 +72,10 @@ 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)
+@@ -138,6 +149,9 @@ 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-2.2b2/scheduler/conf.c.lspp cups-2.2b2/scheduler/conf.c
+--- cups-2.2b2/scheduler/conf.c.lspp 2016-06-27 17:39:48.072973903 +0200
++++ cups-2.2b2/scheduler/conf.c 2016-06-27 17:39:48.078973855 +0200
+@@ -40,6 +40,9 @@
+ # 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[] =
+@@ -577,6 +584,9 @@ 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 */
+
+
+ /*
+@@ -931,6 +941,25 @@ 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");
+
+@@ -1350,7 +1379,19 @@ 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...
+@@ -3827,6 +3868,18 @@ 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-2.2b2/scheduler/conf.h.lspp cups-2.2b2/scheduler/conf.h
+--- cups-2.2b2/scheduler/conf.h.lspp 2016-06-27 17:39:48.078973855 +0200
++++ cups-2.2b2/scheduler/conf.h 2016-06-27 17:44:46.370632333 +0200
+@@ -248,6 +248,13 @@ 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 */
+@@ -266,6 +273,9 @@ 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-2.2b2/scheduler/cupsd.h.lspp cups-2.2b2/scheduler/cupsd.h
+--- cups-2.2b2/scheduler/cupsd.h.lspp 2016-06-27 17:39:48.064973966 +0200
++++ cups-2.2b2/scheduler/cupsd.h 2016-06-27 17:39:48.078973855 +0200
+@@ -11,6 +11,8 @@
+ * file is missing or damaged, see the license at "http://www.cups.org/".
+ */
+
++/* Copyright (C) 2005 Trusted Computer Solutions, Inc. */
++/* (c) Copyright 2005-2006 Hewlett-Packard Development Company, L.P. */
+
+ /*
+ * Include necessary headers.
+@@ -36,13 +38,20 @@
+ # 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)
+ # include <CoreFoundation/CoreFoundation.h>
+ #endif /* HAVE_CDSASSL */
+
+-
+ /*
+ * Some OS's don't have hstrerror(), most notably Solaris...
+ */
+diff -up cups-2.2b2/scheduler/ipp.c.lspp cups-2.2b2/scheduler/ipp.c
+--- cups-2.2b2/scheduler/ipp.c.lspp 2016-06-27 17:39:48.028974252 +0200
++++ cups-2.2b2/scheduler/ipp.c 2016-06-27 17:39:48.080973839 +0200
+@@ -14,6 +14,9 @@
+ * file is missing or damaged, see the license at "http://www.cups.org/".
+ */
+
++/* Copyright (C) 2005 Trusted Computer Solutions, Inc. */
++/* (c) Copyright 2005-2006 Hewlett-Packard Development Company, L.P. */
++
+ /*
+ * Include necessary headers...
+ */
+@@ -37,6 +40,14 @@ extern int mbr_check_membership_by_id(uu
+ # endif /* HAVE_MEMBERSHIPPRIV_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 */
+
+ /*
+ * Local functions...
+@@ -61,6 +72,9 @@ 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,
+@@ -1248,6 +1262,21 @@ 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))",
+@@ -1559,6 +1588,106 @@ add_job(cupsd_client_t *con, /* I - Cl
+ return (NULL);
+ }
+
++#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,
+@@ -1567,6 +1696,32 @@ 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;
+@@ -1756,6 +1911,29 @@ 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;
+
+@@ -1786,6 +1964,9 @@ 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,
+@@ -1804,6 +1985,9 @@ 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") &&
+@@ -1824,6 +2008,9 @@ 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) &&
+@@ -1864,8 +2051,52 @@ 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...
+@@ -3619,6 +3850,128 @@ 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.
+ */
+@@ -4075,6 +4428,15 @@ 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,
+@@ -4110,6 +4472,85 @@ 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...
+@@ -4204,6 +4645,24 @@ 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);
+@@ -6389,6 +6848,22 @@ 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...
+ */
+@@ -6786,6 +7261,11 @@ 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);
+
+@@ -11415,6 +11895,11 @@ 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-2.2b2/scheduler/job.c.lspp cups-2.2b2/scheduler/job.c
+--- cups-2.2b2/scheduler/job.c.lspp 2016-06-27 17:39:48.041974149 +0200
++++ cups-2.2b2/scheduler/job.c 2016-06-27 17:39:48.081973831 +0200
+@@ -11,6 +11,9 @@
+ * file is missing or damaged, see the license at "http://www.cups.org/".
+ */
+
++/* Copyright (C) 2005 Trusted Computer Solutions, Inc. */
++/* (c) Copyright 2005-2006 Hewlett-Packard Development Company, L.P. */
++
+ /*
+ * Include necessary headers...
+ */
+@@ -26,6 +29,14 @@
+ # 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
+@@ -546,6 +557,14 @@ 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,
+@@ -1082,6 +1101,67 @@ 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",
+@@ -1905,6 +1985,22 @@ 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);
+@@ -2318,6 +2414,14 @@ 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",
+@@ -2340,6 +2444,78 @@ 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,
+@@ -3919,6 +4095,19 @@ 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...
+ */
+@@ -4680,6 +4869,18 @@ 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);
+@@ -4856,6 +5057,113 @@ 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-2.2b2/scheduler/job.h.lspp cups-2.2b2/scheduler/job.h
+--- cups-2.2b2/scheduler/job.h.lspp 2016-06-24 17:43:35.000000000 +0200
++++ cups-2.2b2/scheduler/job.h 2016-06-27 17:39:48.081973831 +0200
+@@ -11,6 +11,13 @@
+ * file is missing or damaged, see the license at "http://www.cups.org/".
+ */
+
++/* 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...
+ */
+@@ -88,6 +95,10 @@ 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-2.2b2/scheduler/main.c.lspp cups-2.2b2/scheduler/main.c
+--- cups-2.2b2/scheduler/main.c.lspp 2016-06-27 17:39:48.064973966 +0200
++++ cups-2.2b2/scheduler/main.c 2016-06-27 17:39:48.081973831 +0200
+@@ -56,6 +56,9 @@
+ # include <sys/param.h>
+ #endif /* HAVE_SYS_PARAM_H */
+
++#ifdef WITH_LSPP
++# include <libaudit.h>
++#endif /* WITH_LSPP */
+
+ /*
+ * Local functions...
+@@ -122,6 +125,9 @@ 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
+@@ -505,6 +511,25 @@ 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 */
++
+ /*
+ * Set the timezone info...
+ */
+@@ -1205,6 +1230,11 @@ 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-2.2b2/scheduler/printers.c.lspp cups-2.2b2/scheduler/printers.c
+--- cups-2.2b2/scheduler/printers.c.lspp 2016-06-27 17:39:48.013974372 +0200
++++ cups-2.2b2/scheduler/printers.c 2016-06-27 17:39:48.082973823 +0200
+@@ -11,6 +11,8 @@
+ * file is missing or damaged, see the license at "http://www.cups.org/".
+ */
+
++/* (c) Copyright 2005-2006 Hewlett-Packard Development Company, L.P. */
++
+ /*
+ * Include necessary headers...
+ */
+@@ -35,6 +37,10 @@
+ # include <asl.h>
+ #endif /* __APPLE__ */
+
++#ifdef WITH_LSPP
++# include <libaudit.h>
++# include <selinux/context.h>
++#endif /* WITH_LSPP */
+
+ /*
+ * Local functions...
+@@ -2191,6 +2197,13 @@ 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 */
+
+
+ DEBUG_printf(("cupsdSetPrinterAttrs: entering name = %s, type = %x\n", p->name,
+@@ -2318,6 +2331,45 @@ 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;
projects / packages / cups.git / commitdiff