net-tools/net-tools-1.60-selinux.patch

--- net-tools-1.60/Makefile~	2005-12-24 06:56:57.000000000 -0500
+++ net-tools-1.60/Makefile	2005-12-29 16:54:06.000000000 -0500
@@ -113,6 +113,12 @@
 
 NET_LIB = $(NET_LIB_PATH)/lib$(NET_LIB_NAME).a
 
+ifeq ($(HAVE_SELINUX),1)
+LDFLAGS += -lselinux
+CFLAGS += -DHAVE_SELINUX
+else
+endif
+
 CFLAGS	+= $(COPTS) -I. -idirafter ./include/ -I$(NET_LIB_PATH)
 LDFLAGS	+= $(LOPTS) -L$(NET_LIB_PATH)
 
--- net-tools-1.60/netstat.c~	2005-12-24 06:56:57.000000000 -0500
+++ net-tools-1.60/netstat.c	2005-12-29 16:54:07.000000000 -0500
@@ -86,6 +86,11 @@
 #include <net/if.h>
 #include <dirent.h>
 
+#if HAVE_SELINUX
+#include <selinux/selinux.h>
+#else
+#define security_context_t char*
+#endif
 #include "net-support.h"
 #include "pathnames.h"
 #include "version.h"
@@ -96,6 +101,7 @@
 #include "util.h"
 
 #define PROGNAME_WIDTH 20
+#define SELINUX_WIDTH 50
 
 #if !defined(s6_addr32) && defined(in6a_words)
 #define s6_addr32 in6a_words	/* libinet6			*/
@@ -150,6 +156,7 @@
 int flag_prg = 0;
 int flag_arg = 0;
 int flag_ver = 0;
+int flag_selinux = 0;
 
 FILE *procinfo;
 
@@ -213,12 +220,17 @@
 #define PROGNAME_WIDTH1(s) PROGNAME_WIDTH2(s)
 #define PROGNAME_WIDTH2(s) #s
 
+#define SELINUX_WIDTHs SELINUX_WIDTH1(SELINUX_WIDTH)
+#define SELINUX_WIDTH1(s) SELINUX_WIDTH2(s)
+#define SELINUX_WIDTH2(s) #s
+
 #define PRG_HASH_SIZE 211
 
 static struct prg_node {
     struct prg_node *next;
     int inode;
     char name[PROGNAME_WIDTH];
+    char scon[SELINUX_WIDTH];
 } *prg_hash[PRG_HASH_SIZE];
 
 static char prg_cache_loaded = 0;
@@ -226,9 +238,12 @@
 #define PRG_HASHIT(x) ((x) % PRG_HASH_SIZE)
 
 #define PROGNAME_BANNER "PID/Program name"
+#define SELINUX_BANNER "Security Context"
 
 #define print_progname_banner() do { if (flag_prg) printf("%-" PROGNAME_WIDTHs "s"," " PROGNAME_BANNER); } while (0)
 
+#define print_selinux_banner() do { if (flag_selinux) printf("%-" SELINUX_WIDTHs "s"," " SELINUX_BANNER); } while (0)
+
 #define PRG_LOCAL_ADDRESS "local_address"
 #define PRG_INODE	 "inode"
 #define PRG_SOCKET_PFX    "socket:["
@@ -250,7 +265,7 @@
 /* NOT working as of glibc-2.0.7: */
 #undef  DIRENT_HAVE_D_TYPE_WORKS
 
-static void prg_cache_add(int inode, char *name)
+static void prg_cache_add(int inode, char *name, char *scon)
 {
     unsigned hi = PRG_HASHIT(inode);
     struct prg_node **pnp,*pn;
@@ -271,6 +286,14 @@
     if (strlen(name)>sizeof(pn->name)-1) 
 	name[sizeof(pn->name)-1]='\0';
     strcpy(pn->name,name);
+
+    {
+       int len=(strlen(scon)-sizeof(pn->scon))+1;
+       if (len > 0) 
+           strcpy(pn->scon,&scon[len+1]);
+       else
+	   strcpy(pn->scon,scon);
+    }
 }
 
 static const char *prg_cache_get(unsigned long inode)
@@ -283,6 +306,16 @@
     return("-");
 }
 
+static const char *prg_cache_get_con(unsigned long inode)
+{
+    unsigned hi=PRG_HASHIT(inode);
+    struct prg_node *pn;
+
+    for (pn=prg_hash[hi];pn;pn=pn->next)
+	    if (pn->inode==inode) return(pn->scon);
+    return("-");
+}
+
 static void prg_cache_clear(void)
 {
     struct prg_node **pnp,*pn;
@@ -348,6 +381,7 @@
     const char *cs,*cmdlp;
     DIR *dirproc=NULL,*dirfd=NULL;
     struct dirent *direproc,*direfd;
+    security_context_t scon=NULL;
 
     if (prg_cache_loaded || !flag_prg) return;
     prg_cache_loaded=1;
@@ -415,7 +449,15 @@
 	    }
 
 	    snprintf(finbuf, sizeof(finbuf), "%s/%s", direproc->d_name, cmdlp);
-	    prg_cache_add(inode, finbuf);
+#if HAVE_SELINUX
+	    if (getpidcon(atoi(direproc->d_name), &scon) == -1) {
+		    scon=strdup("-");
+	    }
+	    prg_cache_add(inode, finbuf, scon);
+	    freecon(scon);
+#else
+	    prg_cache_add(inode, finbuf, "-");
+#endif
 	}
 	closedir(dirfd); 
 	dirfd = NULL;
@@ -1385,6 +1428,8 @@
 	printf("-      ");
     if (flag_prg)
 	printf("%-" PROGNAME_WIDTHs "s",(has & HAS_INODE?prg_cache_get(inode):"-"));
+    if (flag_selinux)
+	printf("%-" SELINUX_WIDTHs "s",(has & HAS_INODE?prg_cache_get_con(inode):"-"));
     puts(path);
 }
 
@@ -1403,6 +1448,7 @@
 
     printf(_("\nProto RefCnt Flags       Type       State         I-Node"));
     print_progname_banner();
+    print_selinux_banner();
     printf(_(" Path\n"));	/* xxx */
 
     {
@@ -1682,6 +1728,7 @@
     fprintf(stderr, _("        -o, --timers               display timers\n"));
     fprintf(stderr, _("        -F, --fib                  display Forwarding Information Base (default)\n"));
     fprintf(stderr, _("        -C, --cache                display routing cache instead of FIB\n\n"));
+    fprintf(stderr, _("        -Z, --context              display SELinux security context for sockets\n\n"));
 
     fprintf(stderr, _("  <Iface>: Name of interface to monitor/list.\n"));
     fprintf(stderr, _("  <Socket>={-t|--tcp} {-u|--udp} {-w|--raw} {-x|--unix} --ax25 --ipx --netrom\n"));
@@ -1729,6 +1776,7 @@
 	{"cache", 0, 0, 'C'},
 	{"fib", 0, 0, 'F'},
 	{"groups", 0, 0, 'g'},
+	{"context", 0, 0, 'Z'},
 	{NULL, 0, 0, 0}
     };
 
@@ -1741,7 +1789,7 @@
 
     afname[0] = '\0';
 
-    while ((i = getopt_long(argc, argv, "MCFA:acdegphiI::nNorstuVv?wxl", longopts, &lop)) != EOF)
+    while ((i = getopt_long(argc, argv, "MCFA:acdegphiI::nNorstuVv?wxlZ", longopts, &lop)) != EOF)
 	switch (i) {
 	case -1:
 	    break;
@@ -1838,6 +1886,20 @@
 	    if (aftrans_opt("unix"))
 		exit(1);
 	    break;
+	case 'Z':
+#if HAVE_SELINUX
+	    if (is_selinux_enabled() <= 0) {
+		fprintf(stderr, _("SELinux is not enabled on this machine.\n"));
+		exit(1);
+	    }
+	    flag_prg++;
+	    flag_selinux++;
+#else
+            fprintf(stderr, _("SELinux is not enabled for this application.\n"));
+	    exit(1);
+#endif
+
+	    break;
 	case '?':
 	case 'h':
 	    usage();