ppp: - fix multilink ppp with custom ifnames, patch by George Kashperko <[email protected]> - refresh patches

SVN-Revision: 34171

package/network/services/ppp/Makefile

@@ -10,7 +10,7 @@ include $(INCLUDE_DIR)/kernel.mk
 
 PKG_NAME:=ppp
 PKG_VERSION:=2.4.5
-PKG_RELEASE:=6
+PKG_RELEASE:=7
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=ftp://ftp.samba.org/pub/ppp/

package/network/services/ppp/patches/321-multilink_support_custom_iface_names.patch

@@ -0,0 +1,146 @@
+From: George Kashperko <[email protected]>
+
+Make mlppp support more generic interface naming other than pppX
+Signed-off-by: George Kashperko <[email protected]>
+---
+ pppd/multilink.c |   55 +++++++++++++++++++++++++++++++++------------
+ pppd/sys-linux.c |   12 +++++++++
+ 2 files changed, 53 insertions(+), 14 deletions(-)
+--- a/pppd/multilink.c
++++ b/pppd/multilink.c
+@@ -56,7 +56,8 @@ static void iterate_bundle_links __P((vo
+ 
+ static int get_default_epdisc __P((struct epdisc *));
+ static int parse_num __P((char *str, const char *key, int *valp));
+-static int owns_unit __P((TDB_DATA pid, int unit));
++static int parse_str __P((char *str, const char *key, char *buf, int buflen));
++static int owns_link __P((TDB_DATA pid, char *ifname));
+ 
+ #define set_ip_epdisc(ep, addr) do {	\
+ 	ep->length = 4;			\
+@@ -197,35 +198,38 @@ mp_join_bundle()
+ 	key.dptr = bundle_id;
+ 	key.dsize = p - bundle_id;
+ 	pid = tdb_fetch(pppdb, key);
++
+ 	if (pid.dptr != NULL) {
++		char tmp[IFNAMSIZ];
++
+ 		/* bundle ID exists, see if the pppd record exists */
+ 		rec = tdb_fetch(pppdb, pid);
++
+ 		if (rec.dptr != NULL && rec.dsize > 0) {
+ 			/* make sure the string is null-terminated */
+ 			rec.dptr[rec.dsize-1] = 0;
+-			/* parse the interface number */
+-			parse_num(rec.dptr, "IFNAME=ppp", &unit);
++
+ 			/* check the pid value */
+ 			if (!parse_num(rec.dptr, "PPPD_PID=", &pppd_pid)
++			    || !parse_str(rec.dptr, "IFNAME=", tmp, sizeof(tmp))
++			    || !parse_num(rec.dptr, "IFUNIT=", &unit)
+ 			    || !process_exists(pppd_pid)
+-			    || !owns_unit(pid, unit))
++			    || !owns_link(pid, tmp))
+ 				unit = -1;
+ 			free(rec.dptr);
+ 		}
+ 		free(pid.dptr);
+-	}
+ 
+-	if (unit >= 0) {
+ 		/* attach to existing unit */
+-		if (bundle_attach(unit)) {
++		if (unit >= 0 && bundle_attach(unit)) {
+ 			set_ifunit(0);
+ 			script_setenv("BUNDLE", bundle_id + 7, 0);
+ 			make_bundle_links(1);
+ 			unlock_db();
+-			info("Link attached to %s", ifname);
++			info("Link attached to %s", tmp);
+ 			return 1;
++			/* attach failed because bundle doesn't exist */
+ 		}
+-		/* attach failed because bundle doesn't exist */
+ 	}
+ 
+ 	/* we have to make a new bundle */
+@@ -408,22 +412,45 @@ parse_num(str, key, valp)
+ 	return 0;
+ }
+ 
++static int
++parse_str(str, key, buf, buflen)
++     char *str;
++     const char *key;
++     char *buf;
++     int buflen;
++{
++	char *p, *endp;
++	int i;
++
++	p = strstr(str, key);
++	if (p) {
++		p += strlen(key);
++		while (--buflen && *p != 0 && *p != ';')
++			*(buf++) = *(p++);
++		*buf = 0;
++		return 1;
++	}
++	return 0;
++}
++
+ /*
+- * Check whether the pppd identified by `key' still owns ppp unit `unit'.
++ * Check whether the pppd identified by `key' still owns ppp link `ifname'.
+  */
+ static int
+-owns_unit(key, unit)
++owns_link(key, ifname)
+      TDB_DATA key;
+-     int unit;
++     char *ifname;
+ {
+-	char ifkey[32];
++	char ifkey[7 + IFNAMSIZ];
+ 	TDB_DATA kd, vd;
+ 	int ret = 0;
+ 
+-	slprintf(ifkey, sizeof(ifkey), "IFNAME=ppp%d", unit);
++	slprintf(ifkey, sizeof(ifkey), "IFNAME=%s", ifname);
++
+ 	kd.dptr = ifkey;
+ 	kd.dsize = strlen(ifkey);
+ 	vd = tdb_fetch(pppdb, kd);
++
+ 	if (vd.dptr != NULL) {
+ 		ret = vd.dsize == key.dsize
+ 			&& memcmp(vd.dptr, key.dptr, vd.dsize) == 0;
+--- a/pppd/sys-linux.c
++++ b/pppd/sys-linux.c
+@@ -700,6 +700,16 @@ void cfg_bundle(int mrru, int mtru, int 
+ 	add_fd(ppp_dev_fd);
+ }
+ 
++static void
++setenv_ifunit(void)
++{
++#ifdef USE_TDB
++	char tmp[11];
++	slprintf(tmp, sizeof(tmp), "%d", ifunit);
++	script_setenv("IFUNIT", tmp, 0);
++#endif
++}
++
+ /*
+  * make_new_bundle - create a new PPP unit (i.e. a bundle)
+  * and connect our channel to it.  This should only get called
+@@ -718,6 +728,8 @@ void make_new_bundle(int mrru, int mtru,
+ 
+ 	/* set the mrru and flags */
+ 	cfg_bundle(mrru, mtru, rssn, tssn);
++
++	setenv_ifunit();
+ }
+ 
+ /*

package/network/services/ppp/patches/330-retain_foreign_default_routes.patch

@@ -12,7 +12,7 @@ Signed-off-by: Jo-Philipp Wich <[email protected]>
 
 --- a/pppd/sys-linux.c
 +++ b/pppd/sys-linux.c
-@@ -1743,6 +1743,7 @@ int cifdefaultroute (int unit, u_int32_t
+@@ -1755,6 +1755,7 @@ int cifdefaultroute (int unit, u_int32_t
  	SIN_ADDR(rt.rt_genmask) = 0L;
      }
  

package/network/services/ppp/patches/340-populate_default_gateway.patch

@@ -13,7 +13,7 @@ Signed-off-by: Jo-Philipp Wich <[email protected]>
 
 --- a/pppd/sys-linux.c
 +++ b/pppd/sys-linux.c
-@@ -1697,6 +1697,9 @@ int sifdefaultroute (int unit, u_int32_t
+@@ -1709,6 +1709,9 @@ int sifdefaultroute (int unit, u_int32_t
      memset (&rt, 0, sizeof (rt));
      SET_SA_FAMILY (rt.rt_dst, AF_INET);
  
@@ -23,7 +23,7 @@ Signed-off-by: Jo-Philipp Wich <[email protected]>
      rt.rt_dev = ifname;
  
      if (kernel_version > KVERSION(2,1,0)) {
-@@ -1704,7 +1707,7 @@ int sifdefaultroute (int unit, u_int32_t
+@@ -1716,7 +1719,7 @@ int sifdefaultroute (int unit, u_int32_t
  	SIN_ADDR(rt.rt_genmask) = 0L;
      }
  

package/network/services/ppp/patches/400-simplify_kernel_checks.patch

@@ -29,7 +29,7 @@ Signed-off-by: Jo-Philipp Wich <[email protected]>
  
  #define MAX_IFS		100
  
-@@ -1438,11 +1438,12 @@ int ccp_fatal_error (int unit)
+@@ -1450,11 +1450,12 @@ int ccp_fatal_error (int unit)
   *
   * path_to_procfs - find the path to the proc file system mount point
   */
@@ -44,7 +44,7 @@ Signed-off-by: Jo-Philipp Wich <[email protected]>
      struct mntent *mntent;
      FILE *fp;
  
-@@ -1464,6 +1465,7 @@ static char *path_to_procfs(const char *
+@@ -1476,6 +1477,7 @@ static char *path_to_procfs(const char *
  	    fclose (fp);
  	}
      }
@@ -52,7 +52,7 @@ Signed-off-by: Jo-Philipp Wich <[email protected]>
  
      strlcpy(proc_path + proc_path_len, tail,
  	    sizeof(proc_path) - proc_path_len);
-@@ -2116,15 +2118,19 @@ int ppp_available(void)
+@@ -2128,15 +2130,19 @@ int ppp_available(void)
      int    my_version, my_modification, my_patch;
      int osmaj, osmin, ospatch;
  
@@ -72,7 +72,7 @@ Signed-off-by: Jo-Philipp Wich <[email protected]>
  
  	/* XXX should get from driver */
  	driver_version = 2;
-@@ -2185,6 +2191,7 @@ int ppp_available(void)
+@@ -2197,6 +2203,7 @@ int ppp_available(void)
  
      if (ok && ((ifr.ifr_hwaddr.sa_family & ~0xFF) != ARPHRD_PPP))
  	ok = 0;
@@ -80,7 +80,7 @@ Signed-off-by: Jo-Philipp Wich <[email protected]>
  
  /*
   *  This is the PPP device. Validate the version of the driver at this
-@@ -2678,6 +2685,7 @@ get_pty(master_fdp, slave_fdp, slave_nam
+@@ -2690,6 +2697,7 @@ get_pty(master_fdp, slave_fdp, slave_nam
      }
  #endif /* TIOCGPTN */
  
@@ -88,7 +88,7 @@ Signed-off-by: Jo-Philipp Wich <[email protected]>
      if (sfd < 0) {
  	/* the old way - scan through the pty name space */
  	for (i = 0; i < 64; ++i) {
-@@ -2696,6 +2704,7 @@ get_pty(master_fdp, slave_fdp, slave_nam
+@@ -2708,6 +2716,7 @@ get_pty(master_fdp, slave_fdp, slave_nam
  	    }
  	}
      }

package/network/services/ppp/patches/403-no_wtmp.patch

@@ -7,7 +7,7 @@ Signed-off-by: Jo-Philipp Wich <[email protected]>
 
 --- a/pppd/sys-linux.c
 +++ b/pppd/sys-linux.c
-@@ -2254,6 +2254,7 @@ int ppp_available(void)
+@@ -2266,6 +2266,7 @@ int ppp_available(void)
  
  void logwtmp (const char *line, const char *name, const char *host)
  {
@@ -15,7 +15,7 @@ Signed-off-by: Jo-Philipp Wich <[email protected]>
      struct utmp ut, *utp;
      pid_t  mypid = getpid();
  #if __GLIBC__ < 2
-@@ -2319,6 +2320,7 @@ void logwtmp (const char *line, const ch
+@@ -2331,6 +2332,7 @@ void logwtmp (const char *line, const ch
  	close (wtmp);
      }
  #endif