* Import BGP incorrect attribute patch from git

* Improve multiple fibs support with working patch and warning
* Add CONFIG_INCLUDES option/patch permitting including other files in config
* Remove LEARN_FIX option due to problems with bird restarts
* Bump PORTREVISION

PR:		157645
Submitted by:	"Alexander V. Chernikov" <melifaro@ipfw.ru>

5 files changed, 537 insertions, 56 deletions

diff --git a/net/bird/Makefile b/net/bird/Makefile
index d98ad44093f5..bd3b413ec0c7 100644
--- a/net/bird/Makefile
+++ b/net/bird/Makefile
@@ -7,6 +7,7 @@
 
 PORTNAME=	bird
 PORTVERSION=	1.3.1
+PORTREVISION=	1
 CATEGORIES=	net
 MASTER_SITES=	ftp://bird.network.cz/pub/bird/
 
@@ -18,7 +19,7 @@ USE_GMAKE=	yes
 GNU_CONFIGURE=	yes
 
 OPTIONS=	FIBS		"Enable multiple fib support" Off \
-		LEARN_FIX	"Support multiple routing daemons" Off
+		CONFIG_INCLUDES	"Permit config 'include' keyword" Off
 
 MAKE_JOBS_UNSAFE=	yes
 
@@ -30,13 +31,24 @@ USE_RC_SUBR=	bird
 EXTRA_PATCHES+=	${FILESDIR}/fibs.diff
 .endif
 
-.if defined(WITH_LEARN_FIX)
-EXTRA_PATCHES+=	${FILESDIR}/learn-krt-sock.c
+.if defined(WITH_CONFIG_INCLUDES)
+EXTRA_PATCHES+=	${FILESDIR}/extra-config_includes.diff
 .endif
 
 post-install:
 	@if [ ! -f ${PREFIX}/etc/bird.conf ]; then \
 		${CP} -p ${PREFIX}/etc/bird.conf.example ${PREFIX}/etc/bird.conf ; \
+		${CHMOD} 0640 ${PREFIX}/etc/bird.conf ; \
 	fi
+.if defined(WITH_FIBS)
+	@${ECHO_MSG}
+	@${ECHO_MSG} =====================================================================
+	@${ECHO_MSG}
+	@${ECHO_MSG} "        WARNING: Please take a look on kern/134931"
+	@${ECHO_MSG} "        WARNING: before using multiple fibs in production!"
+	@${ECHO_MSG}
+	@${ECHO_MSG} =====================================================================
+	@${ECHO_MSG}
+.endif
 
 .include <bsd.port.post.mk>
diff --git a/net/bird/files/extra-config_includes.diff b/net/bird/files/extra-config_includes.diff
new file mode 100644
index 000000000000..a8d8fc001a30
--- /dev/null
+++ b/net/bird/files/extra-config_includes.diff
@@ -0,0 +1,302 @@
+Index: conf/conf.c
+===================================================================
+--- conf/conf.c	(revision 4873)
++++ conf/conf.c	(revision 4875)
+@@ -108,7 +108,7 @@
+   cfg_mem = c->mem;
+   if (setjmp(conf_jmpbuf))
+     return 0;
+-  cf_lex_init(0);
++  cf_lex_init(c, 0);
+   sysdep_preconfig(c);
+   protos_preconfig(c);
+   rt_preconfig(c);
+@@ -138,7 +138,7 @@
+   cfg_mem = c->mem;
+   if (setjmp(conf_jmpbuf))
+     return 0;
+-  cf_lex_init(1);
++  cf_lex_init(c, 1);
+   cf_parse();
+   return 1;
+ }
+@@ -356,6 +356,7 @@
+     strcpy(buf, "<bug: error message too long>");
+   new_config->err_msg = cfg_strdup(buf);
+   new_config->err_lino = conf_lino;
++  new_config->err_fname = conf_fname;
+   longjmp(conf_jmpbuf, 1);
+ }
+ 
+Index: conf/cf-lex.l
+===================================================================
+--- conf/cf-lex.l	(revision 4873)
++++ conf/cf-lex.l	(revision 4875)
+@@ -30,6 +30,9 @@
+ #include <errno.h>
+ #include <stdlib.h>
+ #include <stdarg.h>
++#include <unistd.h>
++#include <fcntl.h>
++#include <libgen.h>
+ 
+ #define PARSER 1
+ 
+@@ -64,18 +67,36 @@
+ static struct sym_scope *conf_this_scope;
+ 
+ int conf_lino;
++char conf_fname[255];
++int conf_fd;
+ 
++char conf_base[255];
++
+ static int cf_hash(byte *c);
+ static struct symbol *cf_find_sym(byte *c, unsigned int h0);
+ 
+ linpool *cfg_mem;
+ 
+-int (*cf_read_hook)(byte *buf, unsigned int max);
++int (*cf_read_hook)(byte *buf, unsigned int max, int fd);
+ 
+-#define YY_INPUT(buf,result,max) result = cf_read_hook(buf, max);
+-#define YY_NO_UNPUT
++#define YY_INPUT(buf,result,max) result = cf_read_hook(buf, max, STACK(conf_fd));
+ #define YY_FATAL_ERROR(msg) cf_error(msg)
+ 
++#define MAX_INCLUDE_DEPTH	42
++struct include_file_stack {
++	YY_BUFFER_STATE	stack; /* Internal lexer state */
++	unsigned int	conf_lino; /* Current file lineno (at include) */
++	char		conf_fname[255]; /* Current file name */
++	int		conf_fd; /* Current file descriptor */
++};
++
++static struct include_file_stack ifs[MAX_INCLUDE_DEPTH];
++static int ifs_ind; /* Current stack depth */
++#define STACK(x)	ifs[ifs_ind].x
++
++static void dispatch_include(void);
++static int check_eof(void);
++
+ %}
+ 
+ %option noyywrap
+@@ -90,9 +111,12 @@
+ XIGIT [0-9a-fA-F]
+ ALNUM [a-zA-Z_0-9]
+ WHITE [ \t]
++include   ^{WHITE}*include{WHITE}*\".*\"{WHITE}*;
+ 
+ %%
+ 
++{include} { dispatch_include(); }
++
+ {DIGIT}+\.{DIGIT}+\.{DIGIT}+\.{DIGIT}+ {
+ #ifdef IPV6
+   if (ipv4_pton_u32(yytext, &cf_lval.i32))
+@@ -184,7 +208,7 @@
+ 
+ ["][^"\n]*\n	cf_error("Unterminated string");
+ 
+-<INITIAL,COMMENT><<EOF>>	return END;
++<INITIAL,COMMENT><<EOF>>	{ if (check_eof()) return END; }
+ 
+ {WHITE}+
+ 
+@@ -220,7 +244,67 @@
+ 
+ %%
+ 
++/* Open included file with properly swapped buffers */
++static void
++dispatch_include(void)
++{
++	char *fname, *p = NULL, full_name[255];
++	int fd;
++
++	if ((fname = strchr(yytext, '"')) != NULL) {
++		if ((p = strchr(++fname, '"')) != NULL)
++			*p = '\0';
++
++		if (*fname == '/')
++			snprintf(full_name, sizeof(full_name), "%s", fname);
++		else
++			snprintf(full_name, sizeof(full_name), "%s/%s", conf_base, fname);
++
++		if (ifs_ind >= MAX_INCLUDE_DEPTH)
++			cf_error("Max include depth (%d) reached on file %s", MAX_INCLUDE_DEPTH, fname);
++
++		if ((fd = open(full_name, O_RDONLY)) == -1)
++			cf_error("Error opening included file %s", full_name);
++
++		/* Save current stack */
++		STACK(conf_lino) = conf_lino;
++		STACK(stack) = YY_CURRENT_BUFFER;
++		/* Prepare new stack */
++		ifs_ind++;
++		STACK(conf_lino) = 1;
++		strcpy(STACK(conf_fname), fname); /* XXX: strlcpy should be here */
++		STACK(conf_fd) = fd;
++		/* Export to global variables */
++		conf_lino = STACK(conf_lino);
++		conf_fd = STACK(conf_fd);
++		strcpy(conf_fname, STACK(conf_fname));
++
++		yy_switch_to_buffer(yy_create_buffer(yyin, YY_BUF_SIZE));
++	}
++}
++
+ static int
++check_eof(void)
++{
++	if (ifs_ind > 0)
++		close(STACK(conf_fd));
++	if (--ifs_ind < 0) {
++		/* EOF in main config file */
++		ifs_ind = 0;
++		conf_lino = 1;
++		return 1;
++	}
++
++	/* switch buffer */
++	conf_lino = STACK(conf_lino);
++	conf_fd = STACK(conf_fd);
++	strcpy(conf_fname, STACK(conf_fname));
++	yy_delete_buffer(YY_CURRENT_BUFFER);
++	yy_switch_to_buffer(STACK(stack));
++	return 0;
++}
++
++static int
+ cf_hash(byte *c)
+ {
+   unsigned int h = 13;
+@@ -363,11 +447,28 @@
+  * parsing of a new input.
+  */
+ void
+-cf_lex_init(int is_cli)
++cf_lex_init(struct config *c, int is_cli)
+ {
+   if (!kw_hash_inited)
+     cf_lex_init_kh();
+   conf_lino = 1;
++  /* Zero stack */
++  memset(ifs, 0, sizeof(ifs));
++  memset(conf_base, 0, sizeof(conf_base));
++  ifs_ind = 0;
++  if (!is_cli) {
++    /* Fill in level 0 */
++    STACK(conf_lino) = 1;
++    STACK(conf_fd) = c->file_fd;
++    strcpy(STACK(conf_fname), c->file_name);
++    /* Save config directory path */
++    strcpy(conf_base, dirname(STACK(conf_fname)));
++  }
++  /* Export to global variables */
++  conf_lino = STACK(conf_lino);
++  conf_fd = STACK(conf_fd);
++  strcpy(conf_fname, STACK(conf_fname));
++
+   yyrestart(NULL);
+   if (is_cli)
+     BEGIN(CLI);
+Index: conf/conf.h
+===================================================================
+--- conf/conf.h	(revision 4873)
++++ conf/conf.h	(revision 4875)
+@@ -38,7 +38,9 @@
+   int cli_debug;			/* Tracing of CLI connections and commands */
+   char *err_msg;			/* Parser error message */
+   int err_lino;				/* Line containing error */
++  char *err_fname;			/* File name containing error */
+   char *file_name;			/* Name of configuration file */
++  int file_fd;				/* Config file descriptor */
+   struct symbol **sym_hash;		/* Lexer: symbol hash table */
+   struct symbol **sym_fallback;		/* Lexer: fallback symbol hash table */
+   int obstacle_count;			/* Number of items blocking freeing of this config */
+@@ -83,7 +85,7 @@
+ 
+ /* Lexer */
+ 
+-extern int (*cf_read_hook)(byte *buf, unsigned int max);
++extern int (*cf_read_hook)(byte *buf, unsigned int max, int fd);
+ 
+ struct symbol {
+   struct symbol *next;
+@@ -107,9 +109,10 @@
+ #define SYM_VARIABLE 0x100	/* 0x100-0x1ff are variable types */
+ 
+ extern int conf_lino;
++extern char conf_fname[255];
+ 
+ int cf_lex(void);
+-void cf_lex_init(int is_cli);
++void cf_lex_init(struct config *c, int is_cli);
+ struct symbol *cf_find_symbol(byte *c);
+ struct symbol *cf_default_name(char *template, int *counter);
+ struct symbol *cf_define_symbol(struct symbol *symbol, int type, void *def);
+Index: doc/bird.conf.example
+===================================================================
+--- doc/bird.conf.example	(revision 4873)
++++ doc/bird.conf.example	(revision 4875)
+@@ -22,6 +22,9 @@
+ #	else reject;
+ #}
+ 
++# Write more filters in included config file(s):
++#include "filters.conf";
++
+ #filter sink { reject; }
+ #filter okay { accept; }
+ 
+Index: sysdep/unix/main.c
+===================================================================
+--- sysdep/unix/main.c	(revision 4873)
++++ sysdep/unix/main.c	(revision 4875)
+@@ -122,13 +122,12 @@
+ #endif // PATH_IPROUTE_DIR
+ 
+ 
+-static int conf_fd;
+ static char *config_name = PATH_CONFIG;
+ 
+ static int
+-cf_read(byte *dest, unsigned int len)
++cf_read(byte *dest, unsigned int len, int fd)
+ {
+-  int l = read(conf_fd, dest, len);
++  int l = read(fd, dest, len);
+   if (l < 0)
+     cf_error("Read error");
+   return l;
+@@ -158,15 +157,15 @@
+ unix_read_config(struct config **cp, char *name)
+ {
+   struct config *conf = config_alloc(name);
+-  int ret;
++  int ret, fd;
+ 
+   *cp = conf;
+-  conf_fd = open(name, O_RDONLY);
+-  if (conf_fd < 0)
++  if ((fd = open(name, O_RDONLY)) == -1)
+     return 0;
++  conf->file_fd = fd;
+   cf_read_hook = cf_read;
+   ret = config_parse(conf);
+-  close(conf_fd);
++  close(fd);
+   return ret;
+ }
+ 
+@@ -178,7 +177,7 @@
+   if (!unix_read_config(&conf, config_name))
+     {
+       if (conf->err_msg)
+-	die("%s, line %d: %s", config_name, conf->err_lino, conf->err_msg);
++	die("%s, line %d: %s", conf->err_fname, conf->err_lino, conf->err_msg);
+       else
+ 	die("Unable to open configuration file %s: %m", config_name);
+     }
diff --git a/net/bird/files/fibs.diff b/net/bird/files/fibs.diff
index c2810c6c9672..64ec0be4f966 100644
--- a/net/bird/files/fibs.diff
+++ b/net/bird/files/fibs.diff
@@ -1,14 +1,32 @@
-diff -urN sysdep/bsd/Modules sysdep/bsd/Modules
---- sysdep/bsd/Modules	2011-03-31 12:29:42.000000000 +0400
-+++ sysdep/bsd/Modules	2011-05-10 12:04:30.643950460 +0400
-@@ -4,3 +4,4 @@
- krt-set.h
- krt-sock.c
- krt-sock.h
-+fib.Y
-diff -urN sysdep/bsd/fib.Y sysdep/bsd/fib.Y
---- sysdep/bsd/fib.Y	1970-01-01 03:00:00.000000000 +0300
-+++ sysdep/bsd/fib.Y	2011-05-10 12:04:05.724272679 +0400
+Index: sysdep/unix/krt.h
+===================================================================
+--- sysdep/unix/krt.h	(revision 4869)
++++ sysdep/unix/krt.h	(working copy)
+@@ -67,6 +67,7 @@
+ #ifdef CONFIG_ALL_TABLES_AT_ONCE
+   node instance_node;		/* Node in krt instance list */
+ #endif
++  int rt_sock;			/* Routing socket descriptor */
+   int initialized;		/* First scan has already been finished */
+ };
+ 
+Index: sysdep/bsd/krt-sock.h
+===================================================================
+--- sysdep/bsd/krt-sock.h	(revision 4869)
++++ sysdep/bsd/krt-sock.h	(working copy)
+@@ -42,5 +42,8 @@
+ 
+ static inline int krt_set_params_same(struct krt_set_params *o UNUSED, struct krt_set_params *n UNUSED) { return 1; }
+ void krt_read_msg(struct proto *p, struct ks_msg *msg, int scan);
++int max_fib_num(void);
++int my_fib_get(void);
++int my_fib_set(int fib);
+ 
+ #endif
+Index: sysdep/bsd/fib.Y
+===================================================================
+--- sysdep/bsd/fib.Y	(revision 0)
++++ sysdep/bsd/fib.Y	(revision 0)
 @@ -0,0 +1,29 @@
 +/*
 + *	BIRD -- FreeBSD rtsock configuration
@@ -30,7 +48,7 @@ diff -urN sysdep/bsd/fib.Y sysdep/bsd/fib.Y
 +
 +rtsock_item:
 +   KERNEL TABLE expr {
-+	if ($3 <= 0 || $3 >= max_fib_num())
++	if ($3 < 0 || $3 >= max_fib_num())
 +	  cf_error("Kernel routing table number out of range");
 +	THIS_KRT->scan.table_id = $3;
 +   }
@@ -39,9 +57,19 @@ diff -urN sysdep/bsd/fib.Y sysdep/bsd/fib.Y
 +CF_CODE
 +
 +CF_END
-diff -urN sysdep/bsd/krt-scan.h sysdep/bsd/krt-scan.h
---- sysdep/bsd/krt-scan.h	2011-03-31 12:29:42.000000000 +0400
-+++ sysdep/bsd/krt-scan.h	2011-05-10 11:58:54.812942887 +0400
+Index: sysdep/bsd/Modules
+===================================================================
+--- sysdep/bsd/Modules	(revision 4869)
++++ sysdep/bsd/Modules	(working copy)
+@@ -4,3 +4,4 @@
+ krt-set.h
+ krt-sock.c
+ krt-sock.h
++fib.Y
+Index: sysdep/bsd/krt-scan.h
+===================================================================
+--- sysdep/bsd/krt-scan.h	(revision 4869)
++++ sysdep/bsd/krt-scan.h	(working copy)
 @@ -10,6 +10,7 @@
  #define _BIRD_KRT_SCAN_H_
  
@@ -50,10 +78,20 @@ diff -urN sysdep/bsd/krt-scan.h sysdep/bsd/krt-scan.h
  };
  
  struct krt_scan_status {
-diff -urN sysdep/bsd/krt-sock.c sysdep/bsd/krt-sock.c
---- sysdep/bsd/krt-sock.c	2011-05-02 12:13:18.000000000 +0400
-+++ sysdep/bsd/krt-sock.c	2011-05-10 12:25:22.075267568 +0400
-@@ -53,6 +53,21 @@
+Index: sysdep/bsd/krt-sock.c
+===================================================================
+--- sysdep/bsd/krt-sock.c	(revision 4869)
++++ sysdep/bsd/krt-sock.c	(working copy)
+@@ -33,8 +33,6 @@
+ #include "lib/string.h"
+ #include "lib/socket.h"
+ 
+-int rt_sock = 0;
+-
+ int
+ krt_capable(rte *e)
+ {
+@@ -53,6 +51,49 @@
       );
  }
  
@@ -68,41 +106,169 @@ diff -urN sysdep/bsd/krt-sock.c sysdep/bsd/krt-sock.c
 +    return 1;
 +  }
 +
-+  log(L_TRACE "Max fibs: %d\n", fibs);
++  //log(L_TRACE "Max fibs: %d", fibs);
 +  return fibs;
 +}
 +
++int
++my_fib_get()
++{
++  int fib = 0;
++  size_t fib_len = sizeof(fib);
++  if (sysctlbyname("net.my_fibnum", &fib, &fib_len, NULL, 0) == -1)
++  {
++    log(L_ERR "KRT: unable to get fib number, assuming 0. error: %s", strerror(errno));
++    return 0;
++  }
++
++  return fib;
++}
++
++int
++my_fib_set(int fib)
++{
++  int old_fib = my_fib_get();
++
++  if ((fib != old_fib) && (setfib(fib) == -1))
++  {
++    log(L_ERR "KRT: setfib(%d) failed: %s", fib, strerror(errno));
++    die("Cannot set fib for kernel socket");
++  }
++
++  return old_fib;
++}
++
  #define ROUNDUP(a) \
          ((a) > 0 ? (1 + (((a) - 1) | (sizeof(long) - 1))) : sizeof(long))
  
-@@ -219,6 +234,7 @@
+@@ -69,7 +110,7 @@
+     body += l;}
+ 
+ static void
+-krt_sock_send(int cmd, rte *e)
++krt_sock_send(struct krt_proto *p, int cmd, rte *e)
+ {
+   net *net = e->net;
+   rta *a = e->attrs;
+@@ -180,23 +221,23 @@
+   l = body - (char *)&msg;
+   msg.rtm.rtm_msglen = l;
+ 
+-  if ((l = write(rt_sock, (char *)&msg, l)) < 0) {
++  if ((l = write(p->rt_sock, (char *)&msg, l)) < 0) {
+     log(L_ERR "KRT: Error sending route %I/%d to kernel", net->n.prefix, net->n.pxlen);
+   }
+ }
+ 
+ void
+-krt_set_notify(struct krt_proto *p UNUSED, net *net, rte *new, rte *old)
++krt_set_notify(struct krt_proto *p, net *net, rte *new, rte *old)
+ {
+   if (old)
+     {
+       DBG("krt_remove_route(%I/%d)\n", net->n.prefix, net->n.pxlen);
+-      krt_sock_send(RTM_DELETE, old);
++      krt_sock_send(p, RTM_DELETE, old);
+     }
+   if (new)
+     {
+       DBG("krt_add_route(%I/%d)\n", net->n.prefix, net->n.pxlen);
+-      krt_sock_send(RTM_ADD, new);
++      krt_sock_send(p, RTM_ADD, new);
+     }
+ }
+ 
+@@ -218,25 +259,34 @@
+ krt_set_start(struct krt_proto *x, int first UNUSED)
  {
    sock *sk_rt;
-   static int ks_open_tried = 0;
-+  int fib = 0;
+-  static int ks_open_tried = 0;
++  struct krt_config *c;
++  int fib = 0, old_fib = 0;
+ 
+-  if (ks_open_tried)
+-    return;
++  if (!strcmp(x->p.proto->name, "Kernel"))
++  {
++    c = (struct krt_config *)x->p.cf;
++    fib = c->scan.table_id;
  
-   if (ks_open_tried)
-     return;
-@@ -230,6 +246,16 @@
-   if( (rt_sock = socket(PF_ROUTE, SOCK_RAW, AF_UNSPEC)) < 0)
+-  ks_open_tried = 1;
++    DBG("KRT: Opening kernel route socket to fib %d\n", fib);
++    if (x->p.debug & D_ROUTES)
++      log(L_TRACE "Opening route socket to fib %d", fib);
+ 
+-  DBG("KRT: Opening kernel socket\n");
+-
+-  if( (rt_sock = socket(PF_ROUTE, SOCK_RAW, AF_UNSPEC)) < 0)
++    old_fib = my_fib_set(fib);
++  }
++  
++  if( (x->rt_sock = socket(PF_ROUTE, SOCK_RAW, AF_UNSPEC)) < 0)
      die("Cannot open kernel socket for routes");
  
-+  fib = ((struct krt_config *)x)->scan.table_id;
-+  log(L_TRACE "KRT: Setting fib %d", fib);
-+
+   sk_rt = sk_new(krt_pool);
+   sk_rt->type = SK_MAGIC;
+   sk_rt->rx_hook = krt_set_hook;
+-  sk_rt->fd = rt_sock;
++  sk_rt->fd = x->rt_sock;
+   sk_rt->data = x;
+   if (sk_open(sk_rt))
+     bug("krt-sock: sk_open failed");
 +
-+  if ((fib != 0) && (setsockopt(rt_sock, SOL_SOCKET, SO_SETFIB, &fib, sizeof(fib)) == -1))
++  /* Rollback fib */
++  my_fib_set(old_fib);
+ }
+ 
+ #define SKIP(ARG...) do { DBG("KRT: Ignoring route - " ARG); return; } while(0)
+@@ -624,6 +674,8 @@
+   size_t obl, needed;
+   struct ks_msg *m;
+   int retries = 3;
++  struct krt_config *c;
++  int fib = 0, old_fib = 0;
+ 
+   mib[0] = CTL_NET;
+   mib[1] = PF_ROUTE;
+@@ -632,6 +684,17 @@
+   mib[4] = cmd;
+   mib[5] = 0;
+ 
++  if (!strcmp(p->proto->name, "Kernel"))
 +  {
-+    log(L_ERR "KRT: setsockopt() failed for socket %d: %s", rt_sock, strerror(errno));
-+    die("Cannot set fib for kernel socket");
++    c = (struct krt_config *)p->cf;
++    fib = c->scan.table_id;
++
++    DBG("KRT: Setting fib to %d for route dump\n", fib);
++    if (p->debug & D_ROUTES)
++      log(L_TRACE "Setting fib to %d for route dump", fib);
++
++    old_fib = my_fib_set(fib);
 +  }
+  try:
+   if (sysctl(mib, 6 , NULL , &needed, NULL, 0) < 0)
+     die("krt_sysctl_scan 1: %m");
+@@ -656,6 +719,7 @@
+ 	goto try;
+ 
+       log(L_ERR "KRT: Route scan failed");
++      my_fib_set(old_fib);
+       return;
+     }
+     die("krt_sysctl_scan 2: %m");
+@@ -666,6 +730,8 @@
+     m = (struct ks_msg *)next;
+     krt_read_msg(p, m, 1);
+   }
 +
-   sk_rt = sk_new(krt_pool);
-   sk_rt->type = SK_MAGIC;
-   sk_rt->rx_hook = krt_set_hook;
-diff -urN sysdep/cf/bsd-v6.h sysdep/cf/bsd-v6.h
---- sysdep/cf/bsd-v6.h	2011-03-31 12:29:42.000000000 +0400
-+++ sysdep/cf/bsd-v6.h	2011-05-10 11:19:01.394166479 +0400
++  my_fib_set(old_fib);
+ }
+ 
+ static byte *krt_buffer = NULL;
+Index: sysdep/cf/bsd-v6.h
+===================================================================
+--- sysdep/cf/bsd-v6.h	(revision 4869)
++++ sysdep/cf/bsd-v6.h	(working copy)
 @@ -10,7 +10,7 @@
  
  #define CONFIG_AUTO_ROUTES
@@ -112,9 +278,10 @@ diff -urN sysdep/cf/bsd-v6.h sysdep/cf/bsd-v6.h
  
  #undef CONFIG_UNIX_IFACE
  #undef CONFIG_UNIX_SET
-diff -urN sysdep/cf/bsd.h sysdep/cf/bsd.h
---- sysdep/cf/bsd.h	2011-03-31 12:29:42.000000000 +0400
-+++ sysdep/cf/bsd.h	2011-05-10 11:19:01.398182352 +0400
+Index: sysdep/cf/bsd.h
+===================================================================
+--- sysdep/cf/bsd.h	(revision 4869)
++++ sysdep/cf/bsd.h	(working copy)
 @@ -8,7 +8,7 @@
  
  #define CONFIG_AUTO_ROUTES
diff --git a/net/bird/files/learn-krt-sock.c b/net/bird/files/learn-krt-sock.c
deleted file mode 100644
index ed4bfac9f390..000000000000
--- a/net/bird/files/learn-krt-sock.c
+++ /dev/null
@@ -1,11 +0,0 @@
---- sysdep/bsd/krt-sock.c.orig	2011-05-11 10:41:35.432219356 +0400
-+++ sysdep/bsd/krt-sock.c	2011-05-11 10:42:02.483875083 +0400
-@@ -320,7 +320,7 @@
-   if ((flags & RTF_GATEWAY) && ipa_zero(igate))
-     { log(L_ERR "%s (%I/%d) - missing gateway", errmsg, idst, pxlen); return; }
- 
--  u32 self_mask = RTF_PROTO1;
-+  u32 self_mask = 0;
-   u32 alien_mask = RTF_STATIC | RTF_PROTO1 | RTF_GATEWAY;
- 
- #ifdef RTF_PROTO2
diff --git a/net/bird/files/patch-bgp-packet.c b/net/bird/files/patch-bgp-packet.c
new file mode 100644
index 000000000000..a5035181f045
--- /dev/null
+++ b/net/bird/files/patch-bgp-packet.c
@@ -0,0 +1,11 @@
+--- proto/bgp/packets.c
++++ proto/bgp/packets.c
+@@ -862,7 +862,7 @@ bgp_do_rx_update(struct bgp_conn *conn,
+   if (conn->state != BS_ESTABLISHED)	/* fatal error during decoding */
+     return;
+ 
+-  if (a0 && bgp_set_next_hop(p, a0))
++  if (a0 && nlri_len && bgp_set_next_hop(p, a0))
+     a = rta_lookup(a0);
+ 
+   while (nlri_len)