ppp: - fix multilink ppp with custom ifnames, patch by George Kashperko <george@znau.edu.ua> - refresh patches
SVN-Revision: 34171v19.07.3_mercusys_ac12_duma
Jo-Philipp Wich
12 years ago
parent
a8c492dbb3
commit
db207e2a87
@ -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();
|
||||
}
|
||||
|
||||
/*
|
||||
Loading…
Reference in New Issue