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ppp: - fix multilink ppp with custom ifnames, patch by George Kashperko <george@znau.edu.ua> - refresh patches 

SVN-Revision: 34171
lede-17.01
Jo-Philipp Wich 2012-11-12 19:13:45 +00:00
parent a8c492dbb3
commit db207e2a87
6 changed files with 158 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
package/network/services/ppp/Makefile
View File

@ -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/

146
package/network/services/ppp/patches/321-multilink_support_custom_iface_names.patch Normal file
View File

@ -0,0 +1,146 @@
From: George Kashperko <george@znau.edu.ua>
Make mlppp support more generic interface naming other than pppX
Signed-off-by: George Kashperko <george@znau.edu.ua>
---
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();
}
/*

2
package/network/services/ppp/patches/330-retain_foreign_default_routes.patch
View File

@ -12,7 +12,7 @@ Signed-off-by: Jo-Philipp Wich <jow@openwrt.org>
--- 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;
}

4
package/network/services/ppp/patches/340-populate_default_gateway.patch
View File

@ -13,7 +13,7 @@ Signed-off-by: Jo-Philipp Wich <jow@openwrt.org>
--- 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 <jow@openwrt.org>
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;
}

12
package/network/services/ppp/patches/400-simplify_kernel_checks.patch
View File

@ -29,7 +29,7 @@ Signed-off-by: Jo-Philipp Wich <jow@openwrt.org>
#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 <jow@openwrt.org>
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 <jow@openwrt.org>
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 <jow@openwrt.org>
/* 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 <jow@openwrt.org>
/*
* 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 <jow@openwrt.org>
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
}
}
}

4
package/network/services/ppp/patches/403-no_wtmp.patch
View File

@ -7,7 +7,7 @@ Signed-off-by: Jo-Philipp Wich <jow@openwrt.org>
--- 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 <jow@openwrt.org>
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